[20be782] | 1 | // |
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| 2 | // Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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| 6 | // |
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| 7 | // pthread.cfa -- |
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| 8 | // |
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| 9 | // Author : Zhenyan Zhu |
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| 10 | // Created On : Sat Aug 6 16:29:18 2022 |
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| 11 | // Last Modified By : |
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| 12 | // Last Modified On : |
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| 13 | // Update Count : |
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| 14 | // |
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[a7d696f] | 15 | |
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| 16 | #define __cforall_thread__ |
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| 17 | #define _GNU_SOURCE |
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| 18 | |
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| 19 | #include <pthread.h> |
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[20be782] | 20 | #include <errno.h> |
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| 21 | #include "locks.hfa" |
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| 22 | #include "bits/stack.hfa" |
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[a7d696f] | 23 | |
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| 24 | |
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| 25 | #pragma GCC diagnostic push |
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| 26 | #pragma GCC diagnostic ignored "-Wnonnull-compare" |
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| 27 | |
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[20be782] | 28 | /* pthread key, pthread once inner routine mutual exclusion */ |
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[a7d696f] | 29 | static simple_owner_lock once_lock,key_lock,magic_mutex_check, concurrency_lock; |
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[20be782] | 30 | |
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[a7d696f] | 31 | //######################### Local Storage Helpers ######################### |
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| 32 | |
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| 33 | #define PTHREADS_THR_MAX 256 |
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| 34 | #define PTHREAD_KEYS_MAX 1024 |
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| 35 | struct Pthread_values{ |
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| 36 | inline Seqable; |
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| 37 | void* value; |
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| 38 | bool in_use; |
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| 39 | }; |
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| 40 | |
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| 41 | |
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[20be782] | 42 | static Pthread_values *& Back( Pthread_values * n ) { |
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[a7d696f] | 43 | return (Pthread_values *)Back( (Seqable *)n ); |
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| 44 | } |
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[20be782] | 45 | static Pthread_values *& Next( Pthread_values * n ) { |
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[a7d696f] | 46 | return (Pthread_values *)Next( (Colable *)n ); |
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| 47 | } |
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| 48 | |
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| 49 | struct Pthread_keys{ |
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| 50 | bool in_use; |
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| 51 | void (*destructor)( void * ); |
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| 52 | Sequence(Pthread_values) threads; |
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| 53 | }; // Pthread keys |
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| 54 | |
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| 55 | static void ?{}(Pthread_keys& k){ |
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| 56 | //sout | "inited"; |
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| 57 | k.threads{}; |
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| 58 | } |
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| 59 | |
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| 60 | // Create storage separately to ensure no constructors are called. |
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| 61 | //static char cfa_pthread_keys_storage[sizeof(Pthread_keys) * PTHREAD_KEYS_MAX] __attribute__((aligned (16))) = {0}; |
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| 62 | static Pthread_keys cfa_pthread_keys_storage[PTHREAD_KEYS_MAX] __attribute__((aligned (16))); |
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| 63 | |
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[20be782] | 64 | static void init_pthread_storage(){ |
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[a7d696f] | 65 | for (int i = 0; i < PTHREAD_KEYS_MAX; i++){ |
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| 66 | cfa_pthread_keys_storage[i]{}; |
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| 67 | } |
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| 68 | } |
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| 69 | |
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| 70 | #define cfa_pthread_keys ((Pthread_keys *)cfa_pthread_keys_storage) |
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| 71 | |
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| 72 | /* Controlling the iterations of destructors for thread-specific data. */ |
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| 73 | #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 |
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| 74 | /* Number of iterations this implementation does. */ |
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| 75 | #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS |
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| 76 | |
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| 77 | //######################### Parallelism Helpers ######################### |
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| 78 | |
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| 79 | struct Pthread_kernel_threads{ |
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| 80 | inline Colable; |
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| 81 | processor p; |
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| 82 | }; |
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| 83 | |
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| 84 | Pthread_kernel_threads *& Next( Pthread_kernel_threads * n ) { |
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| 85 | return (Pthread_kernel_threads *)Next( (Colable *)n ); |
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| 86 | } |
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| 87 | |
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| 88 | static Stack(Pthread_kernel_threads) cfa_pthreads_kernel_threads; |
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| 89 | static bool cfa_pthreads_kernel_threads_zero = false; // set to zero ? |
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| 90 | static int cfa_pthreads_no_kernel_threads = 1; // number of kernel threads |
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| 91 | |
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| 92 | |
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| 93 | //######################### Cond Helpers ######################### |
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| 94 | |
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| 95 | typedef pthread_cond_var(simple_owner_lock) cfa2pthr_cond_var_t; |
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| 96 | |
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| 97 | /* condvar helper routines */ |
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| 98 | static void init(pthread_cond_t* pcond){ |
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[20be782] | 99 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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[a7d696f] | 100 | cfa2pthr_cond_var_t* _cond = (cfa2pthr_cond_var_t*)pcond; |
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| 101 | ?{}(*_cond); |
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| 102 | } |
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| 103 | |
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| 104 | static cfa2pthr_cond_var_t* get(pthread_cond_t* pcond){ |
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[20be782] | 105 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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[a7d696f] | 106 | return (cfa2pthr_cond_var_t*)pcond; |
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| 107 | } |
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| 108 | |
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| 109 | static void destroy(pthread_cond_t* cond){ |
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[20be782] | 110 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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[a7d696f] | 111 | ^?{}(*get(cond)); |
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| 112 | } |
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| 113 | |
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| 114 | |
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| 115 | //######################### Mutex Helper ######################### |
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| 116 | |
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| 117 | /* mutex helper routines */ |
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| 118 | static void mutex_check(pthread_mutex_t* t){ |
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| 119 | // Use double check to improve performance. Check is safe on x86; volatile prevents compiler reordering |
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| 120 | volatile pthread_mutex_t *const mutex_ = t; |
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| 121 | // SKULLDUGGERY: not a portable way to access the kind field, /usr/include/x86_64-linux-gnu/bits/pthreadtypes.h |
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| 122 | int _lock_val = ((pthread_mutex_t *)mutex_)->__data.__lock; |
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[20be782] | 123 | // if pthread_mutex_t is initialized by PTHREAD_MUTEX_INITIALIZER, _lock_val should be 0 |
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[a7d696f] | 124 | if ( _lock_val == 0 ) { // static initialized ? |
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| 125 | lock(magic_mutex_check); // race |
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| 126 | _lock_val = ((pthread_mutex_t *)mutex_)->__data.__lock; |
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| 127 | if ( _lock_val == 0 ) { // static initialized ? |
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| 128 | pthread_mutex_init( t, NULL ); |
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| 129 | } // if |
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| 130 | unlock(magic_mutex_check); // race |
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| 131 | } // if |
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| 132 | } // mutex_check |
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| 133 | |
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| 134 | |
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| 135 | static void init(pthread_mutex_t* plock){ |
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[20be782] | 136 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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[a7d696f] | 137 | simple_owner_lock* _lock = (simple_owner_lock*)plock; |
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| 138 | ?{}(*_lock); |
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| 139 | } |
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| 140 | |
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| 141 | static simple_owner_lock* get(pthread_mutex_t* plock){ |
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[20be782] | 142 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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[a7d696f] | 143 | return (simple_owner_lock*)plock; |
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| 144 | } |
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| 145 | |
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| 146 | static void destroy(pthread_mutex_t* plock){ |
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[20be782] | 147 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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[a7d696f] | 148 | ^?{}(*get(plock)); |
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| 149 | } |
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| 150 | |
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| 151 | //######################### Attr helpers ######################### |
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| 152 | struct cfaPthread_attr_t { // thread attributes |
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| 153 | int contentionscope; |
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| 154 | int detachstate; |
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| 155 | size_t stacksize; |
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| 156 | void *stackaddr; |
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| 157 | int policy; |
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| 158 | int inheritsched; |
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| 159 | struct sched_param param; |
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| 160 | } typedef cfaPthread_attr_t; |
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| 161 | |
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| 162 | static const cfaPthread_attr_t default_attrs{ |
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| 163 | 0, |
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| 164 | 0, |
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| 165 | (size_t)65000, |
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| 166 | (void *)NULL, |
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| 167 | 0, |
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| 168 | 0, |
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| 169 | {0} |
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| 170 | }; |
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| 171 | |
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| 172 | |
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| 173 | /* |
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[20be782] | 174 | static const cfaPthread_attr_t default_attrs = { |
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[a7d696f] | 175 | PTHREAD_SCOPE_SYSTEM, |
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| 176 | PTHREAD_CREATE_JOINABLE, |
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| 177 | (size_t)DEFAULT_STACK_SIZE, |
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| 178 | (void *)NULL, |
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| 179 | 0, |
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| 180 | PTHREAD_EXPLICIT_SCHED, |
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| 181 | {0} |
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| 182 | }; |
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| 183 | */ |
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| 184 | |
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| 185 | |
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[20be782] | 186 | |
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[a7d696f] | 187 | static cfaPthread_attr_t* get(const pthread_attr_t* attr){ |
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[20be782] | 188 | static_assert(sizeof(pthread_attr_t) >= sizeof(cfaPthread_attr_t),"sizeof(pthread_attr_t) < sizeof(cfaPthread_attr_t)"); |
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[a7d696f] | 189 | return (cfaPthread_attr_t*)attr; |
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| 190 | } |
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| 191 | |
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| 192 | |
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| 193 | //######################### Threads Helper ######################### |
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| 194 | |
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[20be782] | 195 | // exception for cancel_stack in pthread_exit |
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[a7d696f] | 196 | exception pthread_exit_exp {}; |
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| 197 | static vtable(pthread_exit_exp) exp; |
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| 198 | |
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| 199 | thread cfaPthread{ |
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| 200 | cfaPthread_attr_t attr; |
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| 201 | pthread_t pthreadId; |
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| 202 | void *joinval; // pthreads return value |
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| 203 | pthread_attr_t pthread_attr; // pthread attributes |
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| 204 | void *(*start_routine)(void *); // routine start |
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| 205 | void *arg; // thread parameter |
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| 206 | Pthread_values* pthreadData; |
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| 207 | bool isTerminated; // flag used for tryjoin |
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| 208 | }; |
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| 209 | |
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| 210 | /* thread part routines */ |
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| 211 | // cfaPthread entry point |
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| 212 | void main(cfaPthread& _thread) with(_thread){ |
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| 213 | joinval = start_routine(arg); |
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| 214 | isTerminated = true; |
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| 215 | } |
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| 216 | |
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| 217 | // generate pthread_t by cfaPthread ptr |
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| 218 | static pthread_t create( cfaPthread *p ) { |
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[20be782] | 219 | static_assert(sizeof(pthread_t) >= sizeof(cfaPthread*),"sizeof(pthread_t) < sizeof(cfaPthread*)"); |
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| 220 | return (pthread_t)p; |
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[a7d696f] | 221 | } |
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| 222 | |
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| 223 | static cfaPthread *lookup( pthread_t p ){ |
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[20be782] | 224 | static_assert(sizeof(pthread_t) >= sizeof(cfaPthread*),"sizeof(pthread_t) < sizeof(cfaPthread*)"); |
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[a7d696f] | 225 | return (cfaPthread*)p; |
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| 226 | } |
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| 227 | |
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[20be782] | 228 | static void pthread_deletespecific_( Pthread_values* values ) { // see uMachContext::invokeTask |
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[a7d696f] | 229 | Pthread_values* value; |
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| 230 | Pthread_keys* key; |
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| 231 | bool destcalled = true; |
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| 232 | if (values != NULL){ |
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| 233 | for ( int attempts = 0; attempts < PTHREAD_DESTRUCTOR_ITERATIONS && destcalled ; attempts += 1 ) { |
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| 234 | destcalled = false; |
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| 235 | lock(key_lock); |
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| 236 | for (int i = 0; i < PTHREAD_KEYS_MAX; i++){ |
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| 237 | // for each valid key |
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| 238 | if ( values[i].in_use){ |
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| 239 | value = &values[i]; |
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| 240 | key = &cfa_pthread_keys[i]; |
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| 241 | value->in_use = false; |
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| 242 | remove(key->threads, *value); |
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| 243 | // if a key value has a non-NULL destructor pointer, and the thread has a non-NULL value associated with that key, |
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| 244 | // the value of the key is set to NULL, and then the function pointed to is called with the previously associated value as its sole argument. |
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| 245 | if (value->value != NULL && key->destructor != NULL){ |
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| 246 | unlock(key_lock); |
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| 247 | key->destructor(value->value); // run destructor |
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| 248 | lock(key_lock); |
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| 249 | destcalled = true; |
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| 250 | } // if |
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| 251 | value->value = NULL; |
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| 252 | } // if |
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| 253 | } // for |
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| 254 | unlock(key_lock); |
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| 255 | } // for |
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| 256 | free(values); |
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| 257 | } // if |
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| 258 | } |
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| 259 | |
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[20be782] | 260 | static void ^?{}(cfaPthread & mutex t){ |
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| 261 | // delete pthread local storage |
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[a7d696f] | 262 | Pthread_values* values = t.pthreadData; |
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| 263 | pthread_deletespecific_(values); |
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| 264 | } |
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| 265 | |
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| 266 | static void ?{}(cfaPthread &t, pthread_t* _thread, const pthread_attr_t * _attr,void *(*start_routine)(void *), void * arg) { |
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| 267 | |
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| 268 | // set up user thread stackSize |
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| 269 | cfaPthread_attr_t * attr = get(_attr); |
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| 270 | ((thread&)t){ attr ? attr->stacksize: DEFAULT_STACK_SIZE }; |
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| 271 | |
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| 272 | // initialize _thread & cfaPthread id |
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| 273 | t.pthreadId = create(&t); |
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| 274 | *_thread = t.pthreadId; |
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| 275 | |
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| 276 | // if attr null, self attr will be set as default_attrs; else set to attr |
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| 277 | t.attr = (attr != NULL ? *attr : default_attrs); |
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| 278 | |
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| 279 | // init start routine and arguments |
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| 280 | t.start_routine = start_routine; |
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| 281 | t.arg = arg; |
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| 282 | t.pthreadData = NULL; |
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| 283 | } // not used |
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| 284 | |
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| 285 | |
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| 286 | extern "C"{ |
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| 287 | //######################### Pthread Attrs ######################### |
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| 288 | |
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[20be782] | 289 | int pthread_attr_init(pthread_attr_t *attr) libcfa_public __THROW { |
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[a7d696f] | 290 | cfaPthread_attr_t* _attr = get(attr); |
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| 291 | ?{}(*_attr); |
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| 292 | *_attr = default_attrs; |
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| 293 | return 0; |
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| 294 | } |
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[20be782] | 295 | int pthread_attr_destroy(pthread_attr_t *attr) libcfa_public __THROW { |
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[a7d696f] | 296 | ^?{}(*get(attr)); |
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| 297 | return 0; |
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| 298 | } |
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| 299 | |
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[20be782] | 300 | int pthread_attr_setscope( pthread_attr_t *attr, int contentionscope ) libcfa_public __THROW { |
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[a7d696f] | 301 | get( attr )->contentionscope = contentionscope; |
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| 302 | return 0; |
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| 303 | } // pthread_attr_setscope |
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| 304 | |
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[20be782] | 305 | int pthread_attr_getscope( const pthread_attr_t *attr, int *contentionscope ) libcfa_public __THROW { |
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[a7d696f] | 306 | *contentionscope = get( attr )->contentionscope; |
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| 307 | return 0; |
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| 308 | } // pthread_attr_getscope |
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| 309 | |
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[20be782] | 310 | int pthread_attr_setdetachstate( pthread_attr_t *attr, int detachstate ) libcfa_public __THROW { |
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[a7d696f] | 311 | get( attr )->detachstate = detachstate; |
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| 312 | return 0; |
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| 313 | } // pthread_attr_setdetachstate |
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| 314 | |
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[20be782] | 315 | int pthread_attr_getdetachstate( const pthread_attr_t *attr, int *detachstate ) libcfa_public __THROW { |
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[a7d696f] | 316 | *detachstate = get( attr )->detachstate; |
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| 317 | return 0; |
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| 318 | } // pthread_attr_getdetachstate |
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| 319 | |
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[20be782] | 320 | int pthread_attr_setstacksize( pthread_attr_t *attr, size_t stacksize ) libcfa_public __THROW { |
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[a7d696f] | 321 | get( attr )->stacksize = stacksize; |
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| 322 | return 0; |
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| 323 | } // pthread_attr_setstacksize |
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| 324 | |
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[20be782] | 325 | int pthread_attr_getstacksize( const pthread_attr_t *attr, size_t *stacksize ) libcfa_public __THROW { |
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[a7d696f] | 326 | *stacksize = get( attr )->stacksize; |
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| 327 | return 0; |
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| 328 | } // pthread_attr_getstacksize |
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| 329 | |
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[20be782] | 330 | int pthread_attr_getguardsize( const pthread_attr_t * /* attr */, size_t * /* guardsize */ ) libcfa_public __THROW { |
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[a7d696f] | 331 | return 0; |
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| 332 | } // pthread_attr_getguardsize |
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| 333 | |
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[20be782] | 334 | int pthread_attr_setguardsize( pthread_attr_t * /* attr */, size_t /* guardsize */ ) libcfa_public __THROW { |
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[a7d696f] | 335 | return 0; |
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| 336 | } // pthread_attr_setguardsize |
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| 337 | |
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[20be782] | 338 | int pthread_attr_setstackaddr( pthread_attr_t *attr, void *stackaddr ) libcfa_public __THROW { |
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[a7d696f] | 339 | get( attr )->stackaddr = stackaddr; |
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| 340 | return 0; |
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| 341 | } // pthread_attr_setstackaddr |
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| 342 | |
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[20be782] | 343 | int pthread_attr_getstackaddr( const pthread_attr_t *attr, void **stackaddr ) libcfa_public __THROW { |
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[a7d696f] | 344 | *stackaddr = get( attr )->stackaddr; |
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| 345 | return 0; |
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| 346 | } // pthread_attr_getstackaddr |
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| 347 | |
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[20be782] | 348 | int pthread_attr_setstack( pthread_attr_t *attr, void *stackaddr, size_t stacksize ) libcfa_public __THROW { |
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[a7d696f] | 349 | get( attr )->stackaddr = stackaddr; |
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| 350 | get( attr )->stacksize = stacksize; |
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| 351 | return 0; |
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| 352 | } // pthread_attr_setstack |
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| 353 | |
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[20be782] | 354 | int pthread_attr_getstack( const pthread_attr_t *attr, void **stackaddr, size_t *stacksize ) libcfa_public __THROW { |
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[a7d696f] | 355 | *stackaddr = get( attr )->stackaddr; |
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| 356 | *stacksize = get( attr )->stacksize; |
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| 357 | return 0; |
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| 358 | } // pthread_attr_getstack |
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| 359 | |
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| 360 | // Initialize thread attribute *attr with attributes corresponding to the |
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| 361 | // already running thread threadID. It shall be called on unitialized attr |
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| 362 | // and destroyed with pthread_attr_destroy when no longer needed. |
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[20be782] | 363 | int pthread_getattr_np( pthread_t threadID, pthread_attr_t *attr ) libcfa_public __THROW { // GNU extension |
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[a7d696f] | 364 | // race condition during copy |
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| 365 | cfaPthread_attr_t* _attr = get(attr); |
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| 366 | ?{}(*_attr); |
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| 367 | if (_attr == NULL){ |
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| 368 | return ENOMEM; |
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| 369 | } // if |
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| 370 | *_attr = lookup( threadID )->attr; // copy all fields |
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| 371 | return 0; |
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| 372 | } // pthread_getattr_np |
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| 373 | |
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| 374 | |
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| 375 | //######################### Threads ######################### |
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| 376 | |
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[20be782] | 377 | int pthread_create(pthread_t * _thread, const pthread_attr_t * attr, void *(*start_routine)(void *), void * arg) libcfa_public __THROW { |
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[a7d696f] | 378 | cfaPthread *t = alloc(); |
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| 379 | (*t){_thread, attr, start_routine, arg}; |
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| 380 | //init_user_pthread(*t, _thread, attr, start_routine, arg); |
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| 381 | if (t == NULL) return EAGAIN; //no resource |
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| 382 | return 0; |
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| 383 | } //pthread_create_ |
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| 384 | |
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| 385 | |
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[20be782] | 386 | int pthread_join(pthread_t _thread, void **value_ptr) libcfa_public __THROW { |
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[a7d696f] | 387 | if (_thread == NULL) return EINVAL; // if thread is invalid |
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| 388 | if (_thread == pthread_self()) return EDEADLK; |
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| 389 | cfaPthread* p = lookup(_thread); // get user thr pointer |
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| 390 | try { |
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| 391 | join(*p); |
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| 392 | } catchResume (ThreadCancelled(cfaPthread) * cancel) {} // if thread called pthread_exit |
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| 393 | if (value_ptr != NULL ) *value_ptr = p->joinval; // fetch result |
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| 394 | delete(p); |
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| 395 | return 0; |
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| 396 | } //pthread_join_ |
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| 397 | |
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[20be782] | 398 | int pthread_tryjoin_np(pthread_t _thread, void **value_ptr) libcfa_public __THROW { |
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[a7d696f] | 399 | if (_thread == NULL) return EINVAL; // if thread is invalid |
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| 400 | if (_thread == pthread_self()) return EDEADLK; |
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| 401 | cfaPthread* p = lookup(_thread); |
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| 402 | if (!p->isTerminated) return EBUSY; // thread not finished ? |
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| 403 | join( *p ); |
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| 404 | if (value_ptr != NULL ) *value_ptr = p->joinval; |
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| 405 | delete(p); |
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| 406 | return 0; |
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| 407 | } //pthread_join_ |
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| 408 | |
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[20be782] | 409 | pthread_t pthread_self(void) libcfa_public __THROW { |
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[a7d696f] | 410 | return (pthread_t)((char*)active_thread()-(sizeof(cfaPthread)-sizeof(thread$))); |
---|
| 411 | } //pthread_self_ |
---|
| 412 | |
---|
[20be782] | 413 | void pthread_exit(void * status) libcfa_public __THROW { |
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[a7d696f] | 414 | pthread_t pid = pthread_self(); |
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| 415 | cfaPthread* _thread = (cfaPthread*)pid; |
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| 416 | _thread->joinval = status; // set return value |
---|
| 417 | _thread->isTerminated = 1; // set terminated flag |
---|
| 418 | cancel_stack((pthread_exit_exp){&exp}); |
---|
| 419 | } //pthread_exit_ |
---|
| 420 | |
---|
[20be782] | 421 | int pthread_yield( void ) __THROW { // GNU extension |
---|
| 422 | yield(); |
---|
| 423 | return 0; |
---|
| 424 | } |
---|
[a7d696f] | 425 | |
---|
| 426 | |
---|
| 427 | //######################### Mutex ######################### |
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| 428 | |
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[20be782] | 429 | int pthread_mutex_init(pthread_mutex_t *_mutex, const pthread_mutexattr_t *attr) libcfa_public __THROW { |
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[a7d696f] | 430 | if (_mutex == NULL) return EINVAL; |
---|
| 431 | |
---|
| 432 | init(_mutex); |
---|
| 433 | return 0; |
---|
| 434 | } //pthread_mutex_init_ |
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| 435 | |
---|
| 436 | |
---|
[20be782] | 437 | int pthread_mutex_destroy(pthread_mutex_t *_mutex) libcfa_public __THROW{ |
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[a7d696f] | 438 | if (_mutex == NULL){ |
---|
| 439 | return EINVAL; |
---|
| 440 | } // if mutex invalid |
---|
| 441 | simple_owner_lock* _lock = get(_mutex); |
---|
| 442 | if (_lock->owner != NULL){ |
---|
| 443 | return EBUSY; |
---|
| 444 | } |
---|
| 445 | destroy(_mutex); |
---|
| 446 | return 0; |
---|
| 447 | } //pthread_mutex_destroy_ |
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| 448 | |
---|
[20be782] | 449 | int pthread_mutex_lock(pthread_mutex_t *_mutex) libcfa_public __THROW{ |
---|
[a7d696f] | 450 | if (_mutex == NULL) { |
---|
| 451 | return EINVAL; |
---|
| 452 | } // if mutex invalid |
---|
| 453 | mutex_check(_mutex); |
---|
| 454 | simple_owner_lock* _lock = get(_mutex); |
---|
| 455 | lock(*_lock); |
---|
| 456 | return 0; |
---|
| 457 | } //pthread_mutex_lock_ |
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| 458 | |
---|
[20be782] | 459 | int pthread_mutex_unlock(pthread_mutex_t *_mutex) libcfa_public __THROW{ |
---|
[a7d696f] | 460 | if (_mutex == NULL) { |
---|
| 461 | return EINVAL; |
---|
| 462 | } // invalid mutex |
---|
| 463 | simple_owner_lock* _lock = get(_mutex); |
---|
| 464 | if (_lock->owner != active_thread()){ |
---|
| 465 | return EPERM; |
---|
| 466 | } // current thread does not hold the mutex |
---|
| 467 | unlock(*_lock); |
---|
| 468 | return 0; |
---|
| 469 | } //pthread_mutex_unlock_ |
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| 470 | |
---|
[20be782] | 471 | int pthread_mutex_trylock(pthread_mutex_t *_mutex) libcfa_public __THROW{ |
---|
[a7d696f] | 472 | if (_mutex == NULL) { |
---|
| 473 | return EINVAL; |
---|
| 474 | } // if mutex invalid |
---|
| 475 | simple_owner_lock* _lock = get(_mutex); |
---|
| 476 | if (_lock->owner != active_thread() && _lock->owner != NULL){ |
---|
| 477 | return EBUSY; |
---|
| 478 | } // if mutex is owned |
---|
| 479 | lock(*_lock); |
---|
| 480 | return 0; |
---|
| 481 | } //pthread_mutex_trylock_ |
---|
| 482 | |
---|
| 483 | //######################### Conditional Variable ######################### |
---|
| 484 | |
---|
| 485 | /* conditional variable routines */ |
---|
[20be782] | 486 | int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr) libcfa_public __THROW { |
---|
[a7d696f] | 487 | if (cond == NULL) return EINVAL; |
---|
| 488 | init(cond); |
---|
| 489 | return 0; |
---|
[20be782] | 490 | } //pthread_cond_init |
---|
| 491 | |
---|
| 492 | int pthread_cond_wait(pthread_cond_t *cond, pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
[a7d696f] | 493 | if (cond == NULL || _mutex == NULL){ |
---|
| 494 | return EINVAL; |
---|
| 495 | } // invalid cond |
---|
| 496 | wait(*get(cond), *get(_mutex)); |
---|
| 497 | return 0; |
---|
[20be782] | 498 | } // pthread_cond_wait |
---|
[a7d696f] | 499 | |
---|
[20be782] | 500 | int pthread_cond_timedwait(pthread_cond_t * cond, pthread_mutex_t * _mutex, const struct timespec * abstime) libcfa_public __THROW { |
---|
[a7d696f] | 501 | if (cond == NULL || _mutex == NULL){ |
---|
| 502 | return EINVAL; |
---|
| 503 | } // invalid cond |
---|
| 504 | wait(*get(cond), *get(_mutex), *abstime); |
---|
| 505 | return 0; |
---|
[20be782] | 506 | } // pthread_cond_timedwait |
---|
[a7d696f] | 507 | |
---|
[20be782] | 508 | int pthread_cond_signal(pthread_cond_t *cond) libcfa_public __THROW { |
---|
[a7d696f] | 509 | if (cond == NULL){ |
---|
| 510 | return EINVAL; |
---|
| 511 | } // invalid cond |
---|
| 512 | return notify_one(*get(cond)); |
---|
[20be782] | 513 | } // pthread_cond_signal |
---|
| 514 | |
---|
| 515 | int pthread_cond_broadcast(pthread_cond_t *cond) libcfa_public __THROW { |
---|
[a7d696f] | 516 | if (cond == NULL){ |
---|
| 517 | return EINVAL; |
---|
| 518 | } // invalid cond |
---|
| 519 | return notify_all(*get(cond)); |
---|
[20be782] | 520 | } // pthread_cond_broadcast |
---|
| 521 | |
---|
| 522 | int pthread_cond_destroy(pthread_cond_t *cond) libcfa_public __THROW { |
---|
[a7d696f] | 523 | if (cond == NULL){ |
---|
| 524 | return EINVAL; |
---|
| 525 | } // invalid cond |
---|
| 526 | destroy(cond); |
---|
| 527 | return 0; |
---|
[20be782] | 528 | } // pthread_cond_destroy |
---|
[a7d696f] | 529 | |
---|
| 530 | |
---|
| 531 | |
---|
| 532 | //######################### Local storage ######################### |
---|
| 533 | |
---|
[20be782] | 534 | int pthread_once(pthread_once_t *once_control, void (*init_routine)(void)) libcfa_public __THROW { |
---|
| 535 | static_assert(sizeof(pthread_once_t) >= sizeof(int),"sizeof(pthread_once_t) < sizeof(int)"); |
---|
| 536 | if (once_control == NULL){ |
---|
| 537 | return EINVAL; |
---|
| 538 | } |
---|
| 539 | if (init_routine == NULL){ |
---|
| 540 | return EINVAL; |
---|
| 541 | } |
---|
[a7d696f] | 542 | lock(once_lock); |
---|
| 543 | if ( *((int *)once_control) == 0 ) { |
---|
| 544 | init_routine(); |
---|
| 545 | *((int *)once_control) = 1; |
---|
| 546 | } // if |
---|
| 547 | unlock(once_lock); |
---|
| 548 | return 0; |
---|
[20be782] | 549 | } // pthread_once |
---|
[a7d696f] | 550 | |
---|
[20be782] | 551 | int pthread_key_create( pthread_key_t *key, void (*destructor)( void * ) ) libcfa_public __THROW { |
---|
[a7d696f] | 552 | lock(key_lock); |
---|
| 553 | for ( int i = 0; i < PTHREAD_KEYS_MAX; i += 1 ) { |
---|
| 554 | if ( ! cfa_pthread_keys[i].in_use ) { |
---|
| 555 | cfa_pthread_keys[i].in_use = true; |
---|
| 556 | cfa_pthread_keys[i].destructor = destructor; |
---|
| 557 | unlock( key_lock ); |
---|
| 558 | *key = i; |
---|
| 559 | return 0; |
---|
| 560 | } // if |
---|
| 561 | } // for |
---|
| 562 | unlock(key_lock); |
---|
| 563 | return EAGAIN; |
---|
| 564 | } // pthread_key_create |
---|
| 565 | |
---|
[20be782] | 566 | int pthread_key_delete( pthread_key_t key ) libcfa_public __THROW { |
---|
[a7d696f] | 567 | lock(key_lock); |
---|
| 568 | if ( key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use ) { |
---|
| 569 | unlock( key_lock ); |
---|
| 570 | return EINVAL; |
---|
| 571 | } // if |
---|
| 572 | cfa_pthread_keys[key].in_use = false; |
---|
| 573 | cfa_pthread_keys[key].destructor = NULL; |
---|
| 574 | |
---|
| 575 | // Remove key from all threads with a value. |
---|
| 576 | Pthread_values& p; |
---|
| 577 | Sequence(Pthread_values)& head = cfa_pthread_keys[key].threads; |
---|
| 578 | for ( SeqIter(Pthread_values) iter = { head }; iter | p; ) { |
---|
| 579 | remove(head, p); |
---|
| 580 | p.in_use = false; |
---|
| 581 | } |
---|
| 582 | unlock(key_lock); |
---|
| 583 | return 0; |
---|
| 584 | } // pthread_key_delete |
---|
| 585 | |
---|
[20be782] | 586 | int pthread_setspecific( pthread_key_t key, const void *value ) libcfa_public __THROW { |
---|
[a7d696f] | 587 | // get current thread |
---|
| 588 | cfaPthread* t = lookup(pthread_self()); |
---|
| 589 | // if current thread's pthreadData is NULL; initialize it |
---|
| 590 | Pthread_values* values; |
---|
| 591 | if (t->pthreadData == NULL){ |
---|
| 592 | values = anew( PTHREAD_KEYS_MAX); |
---|
| 593 | t->pthreadData = values; |
---|
| 594 | for (int i = 0;i < PTHREAD_KEYS_MAX; i++){ |
---|
| 595 | t->pthreadData[i].in_use = false; |
---|
| 596 | } // for |
---|
| 597 | } else { |
---|
| 598 | values = t->pthreadData; |
---|
| 599 | } // if |
---|
| 600 | // find corresponding key and set value |
---|
| 601 | lock(key_lock); |
---|
| 602 | // if invalid key |
---|
| 603 | if ( key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use ) { |
---|
| 604 | unlock( key_lock ); |
---|
| 605 | return EINVAL; |
---|
| 606 | } // if |
---|
| 607 | Pthread_values &entry = values[key]; |
---|
| 608 | if ( ! entry.in_use ) { |
---|
| 609 | entry.in_use = true; |
---|
| 610 | add(cfa_pthread_keys[key].threads, entry); |
---|
| 611 | } // if |
---|
| 612 | entry.value = (void *)value; |
---|
| 613 | unlock(key_lock); |
---|
| 614 | return 0; |
---|
| 615 | } //pthread_setspecific |
---|
| 616 | |
---|
[20be782] | 617 | void* pthread_getspecific(pthread_key_t key) libcfa_public __THROW { |
---|
[a7d696f] | 618 | if (key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use) return NULL; |
---|
| 619 | |
---|
| 620 | // get current thread |
---|
| 621 | cfaPthread* t = lookup(pthread_self()); |
---|
| 622 | if (t->pthreadData == NULL) return NULL; |
---|
| 623 | lock(key_lock); |
---|
| 624 | Pthread_values &entry = ((Pthread_values *)t->pthreadData)[key]; |
---|
| 625 | if ( ! entry.in_use ) { |
---|
| 626 | unlock( key_lock ); |
---|
| 627 | return NULL; |
---|
| 628 | } // if |
---|
| 629 | void *value = entry.value; |
---|
| 630 | unlock(key_lock); |
---|
| 631 | |
---|
| 632 | return value; |
---|
| 633 | } //pthread_get_specific |
---|
| 634 | |
---|
| 635 | //######################### Parallelism ######################### |
---|
[20be782] | 636 | void pthread_delete_kernel_threads_() libcfa_public __THROW { // see uMain::~uMain |
---|
[a7d696f] | 637 | Pthread_kernel_threads& p; |
---|
| 638 | for ( StackIter(Pthread_kernel_threads) iter = {cfa_pthreads_kernel_threads}; iter | p; ) { |
---|
| 639 | delete(&p); |
---|
| 640 | } // for |
---|
| 641 | } // pthread_delete_kernel_threads_ |
---|
| 642 | |
---|
[20be782] | 643 | int pthread_getconcurrency( void ) libcfa_public __THROW { // XOPEN extension |
---|
[a7d696f] | 644 | return cfa_pthreads_kernel_threads_zero ? 0 : cfa_pthreads_no_kernel_threads; |
---|
| 645 | } // pthread_getconcurrency |
---|
| 646 | |
---|
[20be782] | 647 | int pthread_setconcurrency( int new_level ) libcfa_public __THROW { // XOPEN extension |
---|
[a7d696f] | 648 | if ( new_level < 0 ) return EINVAL; |
---|
| 649 | if ( new_level == 0 ) { |
---|
| 650 | cfa_pthreads_kernel_threads_zero = true; // remember set to zero, but ignore |
---|
| 651 | return 0; // do not do kernel thread management |
---|
| 652 | } // exit |
---|
| 653 | cfa_pthreads_kernel_threads_zero = false; |
---|
| 654 | lock( concurrency_lock ); |
---|
| 655 | for ( ; new_level > cfa_pthreads_no_kernel_threads; cfa_pthreads_no_kernel_threads += 1 ) { // add processors ? |
---|
| 656 | push(cfa_pthreads_kernel_threads, *new() ); |
---|
| 657 | } // for |
---|
| 658 | for ( ; new_level < cfa_pthreads_no_kernel_threads; cfa_pthreads_no_kernel_threads -= 1 ) { // remove processors ? |
---|
| 659 | delete(&pop(cfa_pthreads_kernel_threads)); |
---|
| 660 | } // for |
---|
| 661 | unlock( concurrency_lock ); |
---|
| 662 | return 0; |
---|
| 663 | } // pthread_setconcurrency |
---|
| 664 | |
---|
[20be782] | 665 | //######################### Signal ######################### |
---|
[a7d696f] | 666 | |
---|
| 667 | |
---|
[428adbc] | 668 | int pthread_sigmask( int /* how */, const sigset_t * /* set */, sigset_t * /* oset */ ) libcfa_public __THROW { |
---|
| 669 | return 0; |
---|
| 670 | } // pthread_sigmask |
---|
[20be782] | 671 | |
---|
| 672 | int pthread_kill( pthread_t _thread __attribute__(( unused )), int sig ) libcfa_public __THROW { |
---|
| 673 | if ( sig == 0 ) { |
---|
| 674 | return 0; |
---|
| 675 | } else { |
---|
| 676 | abort( "pthread_kill : not implemented" ); |
---|
| 677 | } // if |
---|
| 678 | return 0; |
---|
| 679 | } // pthread_kill |
---|
| 680 | |
---|
[428adbc] | 681 | int pthread_sigqueue(pthread_t , int sig, const union sigval) libcfa_public __THROW { |
---|
| 682 | return 0; |
---|
| 683 | } // pthread_sigqueue |
---|
[20be782] | 684 | |
---|
| 685 | //######################### Scheduling ######################### |
---|
| 686 | int pthread_detach( pthread_t threadID ) __THROW { |
---|
| 687 | abort( "pthread_detach" ); |
---|
| 688 | return 0; |
---|
| 689 | } // pthread_detach |
---|
| 690 | |
---|
| 691 | int pthread_setschedparam( pthread_t /* thread */, int /* policy */, const struct sched_param * /* param */ ) libcfa_public __THROW { |
---|
| 692 | abort( "pthread_setschedparam : not implemented" ); |
---|
| 693 | return 0; |
---|
[a7d696f] | 694 | } // pthread_setschedparam |
---|
| 695 | |
---|
[20be782] | 696 | int pthread_getschedparam( pthread_t /* thread */, int */* policy */, struct sched_param * /* param */ ) libcfa_public __THROW { |
---|
| 697 | abort( "pthread_getschedparam : not implemented" ); |
---|
| 698 | return 0; |
---|
[a7d696f] | 699 | } // pthread_getschedparam |
---|
| 700 | |
---|
| 701 | //######################### Mutex Attr ######################### |
---|
| 702 | |
---|
[20be782] | 703 | int pthread_mutexattr_init( pthread_mutexattr_t * /* attr */ ) libcfa_public __THROW { |
---|
| 704 | return 0; |
---|
[a7d696f] | 705 | } // pthread_mutexattr_init |
---|
| 706 | |
---|
[20be782] | 707 | int pthread_mutexattr_destroy( pthread_mutexattr_t * /* attr */ ) libcfa_public __THROW { |
---|
[a7d696f] | 708 | return 0; |
---|
| 709 | } // pthread_mutexattr_destroy |
---|
| 710 | |
---|
[20be782] | 711 | int pthread_mutexattr_setpshared( pthread_mutexattr_t * /* attr */, int /* pshared */ ) libcfa_public __THROW { |
---|
[a7d696f] | 712 | return 0; |
---|
| 713 | } // pthread_mutexattr_setpshared |
---|
| 714 | |
---|
[20be782] | 715 | int pthread_mutexattr_getpshared( const pthread_mutexattr_t * /* attr */, int * /* pshared */ ) libcfa_public __THROW { |
---|
[a7d696f] | 716 | return 0; |
---|
| 717 | } // pthread_mutexattr_getpshared |
---|
| 718 | |
---|
[20be782] | 719 | int pthread_mutexattr_setprotocol( pthread_mutexattr_t * /* attr */, int /* protocol */ ) libcfa_public __THROW { |
---|
[a7d696f] | 720 | return 0; |
---|
| 721 | } // pthread_mutexattr_setprotocol |
---|
| 722 | |
---|
[20be782] | 723 | int pthread_mutexattr_getprotocol( const pthread_mutexattr_t * /* attr */, int * /* protocol */ ) libcfa_public __THROW { |
---|
[a7d696f] | 724 | return 0; |
---|
| 725 | } // pthread_mutexattr_getprotocol |
---|
| 726 | |
---|
[20be782] | 727 | int pthread_mutexattr_setprioceiling( pthread_mutexattr_t * /* attr */, int /* prioceiling */ ) libcfa_public __THROW { |
---|
[a7d696f] | 728 | return 0; |
---|
| 729 | } // pthread_mutexattr_setprioceiling |
---|
| 730 | |
---|
[20be782] | 731 | int pthread_mutexattr_getprioceiling( const pthread_mutexattr_t * /* attr */, int * /* ceiling */ ) libcfa_public __THROW { |
---|
[a7d696f] | 732 | return 0; |
---|
| 733 | } // pthread_mutexattr_getprioceiling |
---|
| 734 | |
---|
[20be782] | 735 | int pthread_mutex_setprioceiling( pthread_mutex_t * /* mutex */, int /* prioceiling */, int * /* old_ceiling */ ) libcfa_public __THROW { |
---|
[a7d696f] | 736 | return 0; |
---|
| 737 | } // pthread_mutex_setprioceiling |
---|
| 738 | |
---|
[20be782] | 739 | int pthread_mutex_getprioceiling( const pthread_mutex_t * /* mutex */, int * /* ceiling */ ) libcfa_public __THROW { |
---|
[a7d696f] | 740 | return 0; |
---|
| 741 | } // pthread_mutex_getprioceiling |
---|
| 742 | |
---|
[20be782] | 743 | int pthread_mutexattr_gettype( __const pthread_mutexattr_t * __restrict /* __attr */, int * __restrict /* __kind */ ) libcfa_public __THROW { |
---|
[a7d696f] | 744 | return 0; |
---|
| 745 | } // pthread_mutexattr_gettype |
---|
| 746 | |
---|
[20be782] | 747 | int pthread_mutexattr_settype( pthread_mutexattr_t * /* __attr */, int /* __kind */ ) libcfa_public __THROW { |
---|
[a7d696f] | 748 | return 0; |
---|
| 749 | } // pthread_mutexattr_settype |
---|
| 750 | |
---|
| 751 | //######################### Mutex ######################### |
---|
| 752 | |
---|
[20be782] | 753 | int pthread_mutex_timedlock( pthread_mutex_t *__restrict /* __mutex */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
---|
[a7d696f] | 754 | abort( "pthread_mutex_timedlock" ); |
---|
| 755 | } // pthread_mutex_timedlock |
---|
| 756 | |
---|
| 757 | //######################### Condition ######################### |
---|
| 758 | |
---|
[20be782] | 759 | int pthread_condattr_getclock( __const pthread_condattr_t * __restrict /* __attr */, __clockid_t *__restrict /* __clock_id */ ) libcfa_public __THROW { |
---|
[a7d696f] | 760 | abort( "pthread_condattr_getclock" ); |
---|
| 761 | } // pthread_condattr_getclock |
---|
| 762 | |
---|
[20be782] | 763 | int pthread_condattr_setclock( pthread_condattr_t * /* __attr */, __clockid_t /* __clock_id */ ) libcfa_public __THROW { |
---|
[a7d696f] | 764 | abort( "pthread_condattr_setclock" ); |
---|
| 765 | } // pthread_condattr_setclock |
---|
| 766 | |
---|
| 767 | //######################### Spinlock ######################### |
---|
| 768 | |
---|
[20be782] | 769 | int pthread_spin_init( pthread_spinlock_t * /* __lock */, int /*__pshared */ ) libcfa_public __THROW { |
---|
[a7d696f] | 770 | abort( "pthread_spin_init" ); |
---|
| 771 | } // pthread_spin_init |
---|
| 772 | |
---|
[20be782] | 773 | int pthread_spin_destroy( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
[a7d696f] | 774 | abort( "pthread_spin_destroy" ); |
---|
| 775 | } // pthread_spin_destroy |
---|
| 776 | |
---|
[20be782] | 777 | int pthread_spin_lock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
[a7d696f] | 778 | abort( "pthread_spin_lock" ); |
---|
| 779 | } // pthread_spin_lock |
---|
| 780 | |
---|
[20be782] | 781 | int pthread_spin_trylock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
[a7d696f] | 782 | abort( "pthread_spin_trylock" ); |
---|
| 783 | } // pthread_spin_trylock |
---|
| 784 | |
---|
[20be782] | 785 | int pthread_spin_unlock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
[a7d696f] | 786 | abort( "pthread_spin_unlock" ); |
---|
| 787 | } // pthread_spin_unlock |
---|
| 788 | |
---|
| 789 | //######################### Barrier ######################### |
---|
| 790 | |
---|
[20be782] | 791 | int pthread_barrier_init( pthread_barrier_t *__restrict /* __barrier */, __const pthread_barrierattr_t *__restrict /* __attr */, unsigned int /* __count */ ) libcfa_public __THROW { |
---|
[a7d696f] | 792 | abort( "pthread_barrier_init" ); |
---|
| 793 | } // pthread_barrier_init |
---|
| 794 | |
---|
[20be782] | 795 | int pthread_barrier_destroy( pthread_barrier_t * /* __barrier */ ) libcfa_public __THROW { |
---|
[a7d696f] | 796 | abort( "pthread_barrier_destroy" ); |
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| 797 | } // pthread_barrier_destroy |
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| 798 | |
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[20be782] | 799 | int pthread_barrier_wait( pthread_barrier_t * /* __barrier */ ) libcfa_public __THROW { |
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[a7d696f] | 800 | abort( "pthread_barrier_wait" ); |
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| 801 | } // pthread_barrier_wait |
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| 802 | |
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[20be782] | 803 | int pthread_barrierattr_init( pthread_barrierattr_t * /* __attr */ ) libcfa_public __THROW { |
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[a7d696f] | 804 | abort( "pthread_barrierattr_init" ); |
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| 805 | } // pthread_barrierattr_init |
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| 806 | |
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[20be782] | 807 | int pthread_barrierattr_destroy( pthread_barrierattr_t * /* __attr */ ) libcfa_public __THROW { |
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[a7d696f] | 808 | abort( "pthread_barrierattr_destroy" ); |
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| 809 | } // pthread_barrierattr_destroy |
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| 810 | |
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[20be782] | 811 | int pthread_barrierattr_getpshared( __const pthread_barrierattr_t * __restrict /* __attr */, int *__restrict /* __pshared */ ) libcfa_public __THROW { |
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[a7d696f] | 812 | abort( "pthread_barrierattr_getpshared" ); |
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| 813 | } // pthread_barrierattr_getpshared |
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| 814 | |
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[20be782] | 815 | int pthread_barrierattr_setpshared( pthread_barrierattr_t * /* __attr */, int /* __pshared */ ) libcfa_public __THROW { |
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[a7d696f] | 816 | abort( "pthread_barrierattr_setpshared" ); |
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| 817 | } // pthread_barrierattr_setpshared |
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| 818 | |
---|
| 819 | //######################### Clock ######################### |
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| 820 | |
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[20be782] | 821 | int pthread_getcpuclockid( pthread_t /* __thread_id */, __clockid_t * /* __clock_id */ ) libcfa_public __THROW { |
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[a7d696f] | 822 | abort( "pthread_getcpuclockid" ); |
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| 823 | } // pthread_getcpuclockid |
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| 824 | |
---|
| 825 | // pthread_atfork() |
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| 826 | |
---|
| 827 | // UNIX98 |
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| 828 | |
---|
| 829 | //######################### Read/Write ######################### |
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| 830 | |
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[20be782] | 831 | int pthread_rwlock_init( pthread_rwlock_t *__restrict /* __rwlock */, __const pthread_rwlockattr_t *__restrict /* __attr */ ) libcfa_public __THROW { |
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[a7d696f] | 832 | abort( "pthread_rwlock_init" ); |
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| 833 | } // pthread_rwlock_init |
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| 834 | |
---|
[20be782] | 835 | int pthread_rwlock_destroy( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
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[a7d696f] | 836 | abort( "pthread_rwlock_destroy" ); |
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| 837 | } // pthread_rwlock_destroy |
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| 838 | |
---|
[20be782] | 839 | int pthread_rwlock_rdlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
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[a7d696f] | 840 | abort( "pthread_rwlock_rdlock" ); |
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| 841 | } // pthread_rwlock_rdlock |
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| 842 | |
---|
[20be782] | 843 | int pthread_rwlock_tryrdlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
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[a7d696f] | 844 | abort( "pthread_rwlock_tryrdlock" ); |
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| 845 | } // pthread_rwlock_tryrdlock |
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| 846 | |
---|
[20be782] | 847 | int pthread_rwlock_wrlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
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[a7d696f] | 848 | abort( "pthread_rwlock_wrlock" ); |
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| 849 | } // pthread_rwlock_wrlock |
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| 850 | |
---|
[20be782] | 851 | int pthread_rwlock_trywrlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
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[a7d696f] | 852 | abort( "pthread_rwlock_trywrlock" ); |
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| 853 | } // pthread_rwlock_trywrlock |
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| 854 | |
---|
[20be782] | 855 | int pthread_rwlock_unlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
[a7d696f] | 856 | abort( "pthread_rwlock_unlock" ); |
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| 857 | } // pthread_rwlock_unlock |
---|
| 858 | |
---|
[20be782] | 859 | int pthread_rwlockattr_init( pthread_rwlockattr_t * /* __attr */ ) libcfa_public __THROW { |
---|
[a7d696f] | 860 | abort( "pthread_rwlockattr_init" ); |
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| 861 | } // pthread_rwlockattr_init |
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| 862 | |
---|
[20be782] | 863 | int pthread_rwlockattr_destroy( pthread_rwlockattr_t * /*__attr */ ) libcfa_public __THROW { |
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[a7d696f] | 864 | abort( "pthread_rwlockattr_destroy" ); |
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| 865 | } // pthread_rwlockattr_destroy |
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| 866 | |
---|
[20be782] | 867 | int pthread_rwlockattr_getpshared( __const pthread_rwlockattr_t * __restrict /* __attr */, int *__restrict /* __pshared */ ) libcfa_public __THROW { |
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[a7d696f] | 868 | abort( "pthread_rwlockattr_getpshared" ); |
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| 869 | } // pthread_rwlockattr_getpshared |
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| 870 | |
---|
[20be782] | 871 | int pthread_rwlockattr_setpshared( pthread_rwlockattr_t * /* __attr */, int /* __pshared */ ) libcfa_public __THROW { |
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[a7d696f] | 872 | abort( "pthread_rwlockattr_setpshared" ); |
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| 873 | } // pthread_rwlockattr_setpshared |
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| 874 | |
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[20be782] | 875 | int pthread_rwlockattr_getkind_np( __const pthread_rwlockattr_t * /* __attr */, int * /* __pref */ ) libcfa_public __THROW { |
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[a7d696f] | 876 | abort( "pthread_rwlockattr_getkind_np" ); |
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| 877 | } // pthread_rwlockattr_getkind_np |
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| 878 | |
---|
[20be782] | 879 | int pthread_rwlockattr_setkind_np( pthread_rwlockattr_t * /* __attr */, int /* __pref */ ) libcfa_public __THROW { |
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[a7d696f] | 880 | abort( "pthread_rwlockattr_setkind_np" ); |
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| 881 | } // pthread_rwlockattr_setkind_np |
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| 882 | |
---|
| 883 | // UNIX98 + XOPEN |
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| 884 | |
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[20be782] | 885 | int pthread_rwlock_timedrdlock( pthread_rwlock_t *__restrict /* __rwlock */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
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[a7d696f] | 886 | abort( "pthread_rwlock_timedrdlock" ); |
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| 887 | } // pthread_rwlock_timedrdlock |
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| 888 | |
---|
[20be782] | 889 | int pthread_rwlock_timedwrlock( pthread_rwlock_t *__restrict /* __rwlock */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
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[a7d696f] | 890 | abort( "pthread_rwlock_timedwrlock" ); |
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| 891 | } // pthread_rwlock_timedwrlock |
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| 892 | |
---|
| 893 | // GNU |
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| 894 | |
---|
| 895 | //######################### Parallelism ######################### |
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| 896 | |
---|
[20be782] | 897 | int pthread_setaffinity_np( pthread_t /* __th */, size_t /* __cpusetsize */, __const cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
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[a7d696f] | 898 | abort( "pthread_setaffinity_np" ); |
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| 899 | } // pthread_setaffinity_np |
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| 900 | |
---|
[20be782] | 901 | int pthread_getaffinity_np( pthread_t /* __th */, size_t /* __cpusetsize */, cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
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[a7d696f] | 902 | abort( "pthread_getaffinity_np" ); |
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| 903 | } // pthread_getaffinity_np |
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| 904 | |
---|
[20be782] | 905 | int pthread_attr_setaffinity_np( pthread_attr_t * /* __attr */, size_t /* __cpusetsize */, __const cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
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[a7d696f] | 906 | abort( "pthread_attr_setaffinity_np" ); |
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| 907 | } // pthread_attr_setaffinity_np |
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| 908 | |
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[20be782] | 909 | int pthread_attr_getaffinity_np( __const pthread_attr_t * /* __attr */, size_t /* __cpusetsize */, cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
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[a7d696f] | 910 | abort( "pthread_attr_getaffinity_np" ); |
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| 911 | } // pthread_attr_getaffinity_np |
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| 912 | |
---|
| 913 | //######################### Cancellation ######################### |
---|
| 914 | |
---|
[20be782] | 915 | void _pthread_cleanup_push_defer( struct _pthread_cleanup_buffer * /* __buffer */, void( * /* __routine */ )( void * ), void * /* __arg */ ) libcfa_public __THROW { |
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[a7d696f] | 916 | abort( "_pthread_cleanup_push_defer" ); |
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| 917 | } // _pthread_cleanup_push_defer |
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| 918 | |
---|
[20be782] | 919 | void _pthread_cleanup_pop_restore( struct _pthread_cleanup_buffer * /* __buffer */, int /* __execute */ ) libcfa_public __THROW { |
---|
[a7d696f] | 920 | abort( "_pthread_cleanup_pop_restore" ); |
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| 921 | } // _pthread_cleanup_pop_res |
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| 922 | |
---|
[20be782] | 923 | int pthread_cancel( pthread_t threadID ) libcfa_public __THROW { |
---|
[a7d696f] | 924 | abort("pthread cancel not implemented"); |
---|
| 925 | return 0; |
---|
| 926 | } // pthread_cancel |
---|
| 927 | |
---|
[20be782] | 928 | int pthread_setcancelstate( int state, int *oldstate ) libcfa_public __THROW { |
---|
[a7d696f] | 929 | abort("pthread_setcancelstate not implemented"); |
---|
| 930 | return 0; |
---|
| 931 | } // pthread_setcancelstate |
---|
| 932 | |
---|
[20be782] | 933 | int pthread_setcanceltype( int type, int *oldtype ) libcfa_public __THROW { |
---|
[a7d696f] | 934 | abort("pthread_setcanceltype not implemented"); |
---|
| 935 | return 0; |
---|
| 936 | } // pthread_setcanceltype |
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[20be782] | 937 | } // extern "C" |
---|
| 938 | |
---|
[a7d696f] | 939 | #pragma GCC diagnostic pop |
---|
| 940 | |
---|