[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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[555af62] | 11 | // Last Modified By : Peter A. Buhr |
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| 12 | // Last Modified On : Mon Sep 4 15:37:51 2023 |
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| 13 | // Update Count : 1 |
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[20be782] | 14 | // |
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[a7d696f] | 15 | |
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| 16 | #define __cforall_thread__ |
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| 17 | |
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[9cd5bd2] | 18 | #include <signal.h> |
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[a7d696f] | 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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[555af62] | 23 | #include "bits/sequence.hfa" |
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[a7d696f] | 24 | |
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| 25 | |
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[9cd5bd2] | 26 | #define check_nonnull(x) asm("": "+rm"(x)); if( x == 0p ) return EINVAL; |
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[a7d696f] | 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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[9cd5bd2] | 33 | enum { PTHREAD_KEYS_MAX = 1024 }; |
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| 34 | |
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[8bd886e] | 35 | struct pthread_values{ |
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[9cd5bd2] | 36 | inline Seqable; |
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[f5f2768] | 37 | void * value; |
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[9cd5bd2] | 38 | bool in_use; |
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[a7d696f] | 39 | }; |
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| 40 | |
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[8bd886e] | 41 | static inline { |
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| 42 | pthread_values *& Back( pthread_values * n ) { |
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| 43 | return (pthread_values *)Back( (Seqable *)n ); |
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| 44 | } |
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[a7d696f] | 45 | |
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[8bd886e] | 46 | pthread_values *& Next( pthread_values * n ) { |
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| 47 | return (pthread_values *)Next( (Colable *)n ); |
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| 48 | } |
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[a7d696f] | 49 | } |
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| 50 | |
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[8bd886e] | 51 | struct pthread_keys { |
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[9cd5bd2] | 52 | bool in_use; |
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[3494ca9] | 53 | void (* destructor)( void * ); |
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[8bd886e] | 54 | Sequence(pthread_values) threads; |
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| 55 | }; |
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[a7d696f] | 56 | |
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[f5f2768] | 57 | static void ?{}(pthread_keys& k) { |
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[9cd5bd2] | 58 | k.threads{}; |
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[a7d696f] | 59 | } |
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| 60 | |
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| 61 | // Create storage separately to ensure no constructors are called. |
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[8bd886e] | 62 | static pthread_keys cfa_pthread_keys_storage[PTHREAD_KEYS_MAX] __attribute__((aligned (16))); |
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[a7d696f] | 63 | |
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[f5f2768] | 64 | static void init_pthread_storage() { |
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[3494ca9] | 65 | for ( int i = 0; i < PTHREAD_KEYS_MAX; i++ ) { |
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[9cd5bd2] | 66 | cfa_pthread_keys_storage[i]{}; |
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| 67 | } |
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[a7d696f] | 68 | } |
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| 69 | |
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[8bd886e] | 70 | #define cfa_pthread_keys ((pthread_keys *)cfa_pthread_keys_storage) |
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[a7d696f] | 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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[9cd5bd2] | 80 | inline Colable; |
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| 81 | processor p; |
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[a7d696f] | 82 | }; |
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| 83 | |
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| 84 | Pthread_kernel_threads *& Next( Pthread_kernel_threads * n ) { |
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[9cd5bd2] | 85 | return (Pthread_kernel_threads *)Next( (Colable *)n ); |
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[a7d696f] | 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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[f5f2768] | 98 | static void init(pthread_cond_t * pcond) { |
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[9cd5bd2] | 99 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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[3494ca9] | 100 | cfa2pthr_cond_var_t * _cond = (cfa2pthr_cond_var_t *)pcond; |
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[9cd5bd2] | 101 | ?{}(*_cond); |
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[a7d696f] | 102 | } |
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| 103 | |
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[f5f2768] | 104 | static cfa2pthr_cond_var_t * get(pthread_cond_t * pcond) { |
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[9cd5bd2] | 105 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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[3494ca9] | 106 | return (cfa2pthr_cond_var_t *)pcond; |
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[a7d696f] | 107 | } |
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| 108 | |
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[3494ca9] | 109 | static void destroy(pthread_cond_t * cond) { |
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[9cd5bd2] | 110 | static_assert(sizeof(pthread_cond_t) >= sizeof(cfa2pthr_cond_var_t),"sizeof(pthread_t) < sizeof(cfa2pthr_cond_var_t)"); |
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| 111 | ^?{}(*get(cond)); |
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[a7d696f] | 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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[3494ca9] | 118 | static void mutex_check(pthread_mutex_t * t) { |
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[8bd886e] | 119 | // Use double check to improve performance. |
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| 120 | // Check is safe on x86; volatile prevents compiler reordering |
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[3494ca9] | 121 | volatile pthread_mutex_t * const mutex_ = t; |
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[8bd886e] | 122 | |
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[a7d696f] | 123 | // SKULLDUGGERY: not a portable way to access the kind field, /usr/include/x86_64-linux-gnu/bits/pthreadtypes.h |
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| 124 | int _lock_val = ((pthread_mutex_t *)mutex_)->__data.__lock; |
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[8bd886e] | 125 | |
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[20be782] | 126 | // if pthread_mutex_t is initialized by PTHREAD_MUTEX_INITIALIZER, _lock_val should be 0 |
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[8bd886e] | 127 | if ( _lock_val == 0 ) { |
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| 128 | lock(magic_mutex_check); |
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[9cd5bd2] | 129 | _lock_val = ((pthread_mutex_t *)mutex_)->__data.__lock; |
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[8bd886e] | 130 | if ( _lock_val == 0 ) { |
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| 131 | pthread_mutex_init( t, NULL ); |
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| 132 | } |
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| 133 | unlock(magic_mutex_check); |
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| 134 | } |
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[a7d696f] | 135 | } // mutex_check |
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| 136 | |
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| 137 | |
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[3494ca9] | 138 | static void init(pthread_mutex_t * plock) { |
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[9cd5bd2] | 139 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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[3494ca9] | 140 | simple_owner_lock * _lock = (simple_owner_lock *)plock; |
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[9cd5bd2] | 141 | ?{}(*_lock); |
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[a7d696f] | 142 | } |
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| 143 | |
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[3494ca9] | 144 | static simple_owner_lock * get(pthread_mutex_t * plock) { |
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[9cd5bd2] | 145 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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[3494ca9] | 146 | return (simple_owner_lock *)plock; |
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[a7d696f] | 147 | } |
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| 148 | |
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[3494ca9] | 149 | static void destroy(pthread_mutex_t * plock) { |
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[9cd5bd2] | 150 | static_assert(sizeof(pthread_mutex_t) >= sizeof(simple_owner_lock),"sizeof(pthread_mutex_t) < sizeof(simple_owner_lock)"); |
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| 151 | ^?{}(*get(plock)); |
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[a7d696f] | 152 | } |
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| 153 | |
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| 154 | //######################### Attr helpers ######################### |
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[ff443e5] | 155 | typedef struct cfaPthread_attr_t { // thread attributes |
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[a7d696f] | 156 | int contentionscope; |
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| 157 | int detachstate; |
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| 158 | size_t stacksize; |
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[3494ca9] | 159 | void * stackaddr; |
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[a7d696f] | 160 | int policy; |
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| 161 | int inheritsched; |
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| 162 | struct sched_param param; |
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[ff443e5] | 163 | } cfaPthread_attr_t; |
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[a7d696f] | 164 | |
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[3494ca9] | 165 | static const cfaPthread_attr_t default_attrs { |
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[9cd5bd2] | 166 | 0, |
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| 167 | 0, |
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[3494ca9] | 168 | 65_000, |
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| 169 | NULL, |
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[9cd5bd2] | 170 | 0, |
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| 171 | 0, |
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| 172 | {0} |
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[a7d696f] | 173 | }; |
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| 174 | |
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[3494ca9] | 175 | static cfaPthread_attr_t * get(const pthread_attr_t * attr) { |
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| 176 | static_assert(sizeof(pthread_attr_t) >= sizeof(cfaPthread_attr_t), "sizeof(pthread_attr_t) < sizeof(cfaPthread_attr_t)"); |
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| 177 | return (cfaPthread_attr_t *)attr; |
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[a7d696f] | 178 | } |
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| 179 | |
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| 180 | |
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| 181 | //######################### Threads Helper ######################### |
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| 182 | |
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[20be782] | 183 | // exception for cancel_stack in pthread_exit |
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[a7d696f] | 184 | exception pthread_exit_exp {}; |
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[9cd5bd2] | 185 | static vtable(pthread_exit_exp) exp_vt; |
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[a7d696f] | 186 | |
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| 187 | thread cfaPthread{ |
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[9cd5bd2] | 188 | cfaPthread_attr_t attr; |
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| 189 | pthread_t pthreadId; |
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[8bd886e] | 190 | |
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| 191 | // pthreads return value |
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[3494ca9] | 192 | void * joinval; |
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[8bd886e] | 193 | |
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| 194 | // pthread attributes |
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| 195 | pthread_attr_t pthread_attr; |
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| 196 | |
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[3494ca9] | 197 | void *(* start_routine)(void *); |
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| 198 | void * start_arg; |
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[8bd886e] | 199 | |
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| 200 | // thread local data |
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[3494ca9] | 201 | pthread_values * pthreadData; |
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[8bd886e] | 202 | |
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| 203 | // flag used for tryjoin |
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| 204 | bool isTerminated; |
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[a7d696f] | 205 | }; |
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| 206 | |
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| 207 | /* thread part routines */ |
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| 208 | // cfaPthread entry point |
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[3494ca9] | 209 | void main(cfaPthread & _thread) with(_thread) { |
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| 210 | joinval = start_routine(start_arg); |
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[9cd5bd2] | 211 | isTerminated = true; |
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[a7d696f] | 212 | } |
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| 213 | |
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[f5f2768] | 214 | static cfaPthread * lookup( pthread_t p ) { |
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[3494ca9] | 215 | static_assert(sizeof(pthread_t) >= sizeof(cfaPthread *),"sizeof(pthread_t) < sizeof(cfaPthread *)"); |
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| 216 | return (cfaPthread *)p; |
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[a7d696f] | 217 | } |
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| 218 | |
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[3494ca9] | 219 | static void pthread_deletespecific_( pthread_values * values ) { // see uMachContext::invokeTask |
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| 220 | pthread_values * value; |
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| 221 | pthread_keys * key; |
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[9cd5bd2] | 222 | bool destcalled = true; |
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[f5f2768] | 223 | if (values != NULL) { |
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[9cd5bd2] | 224 | for ( int attempts = 0; attempts < PTHREAD_DESTRUCTOR_ITERATIONS && destcalled ; attempts += 1 ) { |
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| 225 | destcalled = false; |
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| 226 | lock(key_lock); |
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[3494ca9] | 227 | for ( int i = 0; i < PTHREAD_KEYS_MAX; i++ ) { |
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[9cd5bd2] | 228 | // for each valid key |
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[f5f2768] | 229 | if ( values[i].in_use) { |
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[9cd5bd2] | 230 | value = &values[i]; |
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| 231 | key = &cfa_pthread_keys[i]; |
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| 232 | value->in_use = false; |
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| 233 | remove(key->threads, *value); |
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| 234 | // 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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| 235 | // 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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[f5f2768] | 236 | if (value->value != NULL && key->destructor != NULL) { |
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[9cd5bd2] | 237 | unlock(key_lock); |
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| 238 | key->destructor(value->value); // run destructor |
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| 239 | lock(key_lock); |
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| 240 | destcalled = true; |
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| 241 | } // if |
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| 242 | value->value = NULL; |
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| 243 | } // if |
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| 244 | } // for |
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| 245 | unlock(key_lock); |
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| 246 | } // for |
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| 247 | free(values); |
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| 248 | } // if |
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[a7d696f] | 249 | } |
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| 250 | |
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[f5f2768] | 251 | static void ^?{}(cfaPthread & mutex t) { |
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[9cd5bd2] | 252 | // delete pthread local storage |
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[8bd886e] | 253 | pthread_values * values = t.pthreadData; |
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[9cd5bd2] | 254 | pthread_deletespecific_(values); |
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[a7d696f] | 255 | } |
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| 256 | |
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[3494ca9] | 257 | static void ?{}(cfaPthread & t, pthread_t * _thread, const pthread_attr_t * _attr,void *(* start_routine)(void *), void * arg) { |
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| 258 | static_assert(sizeof(pthread_t) >= sizeof(cfaPthread *), "pthread_t too small to hold a pointer: sizeof(pthread_t) < sizeof(cfaPthread *)"); |
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[9cd5bd2] | 259 | |
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| 260 | // set up user thread stackSize |
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| 261 | cfaPthread_attr_t * attr = get(_attr); |
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[3494ca9] | 262 | ((thread&)t){ attr ? attr->stacksize: DEFAULT_STACK_SIZE }; |
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[9cd5bd2] | 263 | |
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| 264 | // initialize _thread & cfaPthread id |
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[8bd886e] | 265 | *_thread = t.pthreadId = (pthread_t)(&t); |
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[9cd5bd2] | 266 | |
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| 267 | // if attr null, self attr will be set as default_attrs; else set to attr |
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| 268 | t.attr = (attr != NULL ? *attr : default_attrs); |
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| 269 | |
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| 270 | // init start routine and arguments |
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| 271 | t.start_routine = start_routine; |
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[8bd886e] | 272 | t.start_arg = arg; |
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[9cd5bd2] | 273 | t.pthreadData = NULL; |
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[8bd886e] | 274 | } |
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[a7d696f] | 275 | |
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| 276 | |
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| 277 | extern "C"{ |
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[9cd5bd2] | 278 | //######################### Pthread Attrs ######################### |
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| 279 | |
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[3494ca9] | 280 | int pthread_attr_init(pthread_attr_t * attr) libcfa_public __THROW { |
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| 281 | cfaPthread_attr_t * _attr = get(attr); |
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[8bd886e] | 282 | ?{}(*_attr, default_attrs); |
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[9cd5bd2] | 283 | return 0; |
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| 284 | } |
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[3494ca9] | 285 | int pthread_attr_destroy(pthread_attr_t * attr) libcfa_public __THROW { |
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[9cd5bd2] | 286 | ^?{}(*get(attr)); |
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| 287 | return 0; |
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| 288 | } |
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| 289 | |
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[3494ca9] | 290 | int pthread_attr_setscope( pthread_attr_t * attr, int contentionscope ) libcfa_public __THROW { |
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[9cd5bd2] | 291 | get( attr )->contentionscope = contentionscope; |
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| 292 | return 0; |
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| 293 | } // pthread_attr_setscope |
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| 294 | |
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[3494ca9] | 295 | int pthread_attr_getscope( const pthread_attr_t * attr, int * contentionscope ) libcfa_public __THROW { |
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[9cd5bd2] | 296 | *contentionscope = get( attr )->contentionscope; |
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| 297 | return 0; |
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| 298 | } // pthread_attr_getscope |
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| 299 | |
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[3494ca9] | 300 | int pthread_attr_setdetachstate( pthread_attr_t * attr, int detachstate ) libcfa_public __THROW { |
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[9cd5bd2] | 301 | get( attr )->detachstate = detachstate; |
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| 302 | return 0; |
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| 303 | } // pthread_attr_setdetachstate |
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| 304 | |
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[3494ca9] | 305 | int pthread_attr_getdetachstate( const pthread_attr_t * attr, int * detachstate ) libcfa_public __THROW { |
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[9cd5bd2] | 306 | *detachstate = get( attr )->detachstate; |
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| 307 | return 0; |
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| 308 | } // pthread_attr_getdetachstate |
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| 309 | |
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[3494ca9] | 310 | int pthread_attr_setstacksize( pthread_attr_t * attr, size_t stacksize ) libcfa_public __THROW { |
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[9cd5bd2] | 311 | get( attr )->stacksize = stacksize; |
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| 312 | return 0; |
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| 313 | } // pthread_attr_setstacksize |
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| 314 | |
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[3494ca9] | 315 | int pthread_attr_getstacksize( const pthread_attr_t * attr, size_t * stacksize ) libcfa_public __THROW { |
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[9cd5bd2] | 316 | *stacksize = get( attr )->stacksize; |
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| 317 | return 0; |
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| 318 | } // pthread_attr_getstacksize |
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| 319 | |
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| 320 | int pthread_attr_getguardsize( const pthread_attr_t * /* attr */, size_t * /* guardsize */ ) libcfa_public __THROW { |
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| 321 | return 0; |
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| 322 | } // pthread_attr_getguardsize |
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| 323 | |
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| 324 | int pthread_attr_setguardsize( pthread_attr_t * /* attr */, size_t /* guardsize */ ) libcfa_public __THROW { |
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| 325 | return 0; |
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| 326 | } // pthread_attr_setguardsize |
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| 327 | |
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[3494ca9] | 328 | int pthread_attr_setstackaddr( pthread_attr_t * attr, void * stackaddr ) libcfa_public __THROW { |
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[9cd5bd2] | 329 | get( attr )->stackaddr = stackaddr; |
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| 330 | return 0; |
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| 331 | } // pthread_attr_setstackaddr |
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| 332 | |
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[3494ca9] | 333 | int pthread_attr_getstackaddr( const pthread_attr_t * attr, void ** stackaddr ) libcfa_public __THROW { |
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[9cd5bd2] | 334 | *stackaddr = get( attr )->stackaddr; |
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| 335 | return 0; |
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| 336 | } // pthread_attr_getstackaddr |
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| 337 | |
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[3494ca9] | 338 | int pthread_attr_setstack( pthread_attr_t * attr, void * stackaddr, size_t stacksize ) libcfa_public __THROW { |
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[9cd5bd2] | 339 | get( attr )->stackaddr = stackaddr; |
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| 340 | get( attr )->stacksize = stacksize; |
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| 341 | return 0; |
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| 342 | } // pthread_attr_setstack |
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| 343 | |
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[3494ca9] | 344 | int pthread_attr_getstack( const pthread_attr_t * attr, void ** stackaddr, size_t * stacksize ) libcfa_public __THROW { |
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[9cd5bd2] | 345 | *stackaddr = get( attr )->stackaddr; |
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| 346 | *stacksize = get( attr )->stacksize; |
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| 347 | return 0; |
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| 348 | } // pthread_attr_getstack |
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| 349 | |
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| 350 | // Initialize thread attribute *attr with attributes corresponding to the |
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| 351 | // already running thread threadID. It shall be called on unitialized attr |
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| 352 | // and destroyed with pthread_attr_destroy when no longer needed. |
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[3494ca9] | 353 | int pthread_getattr_np( pthread_t threadID, pthread_attr_t * attr ) libcfa_public __THROW { // GNU extension |
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[8bd886e] | 354 | check_nonnull(attr); |
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| 355 | |
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| 356 | // copy all fields |
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| 357 | *get(attr) = lookup( threadID )->attr; |
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| 358 | |
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[9cd5bd2] | 359 | return 0; |
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| 360 | } // pthread_getattr_np |
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| 361 | |
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| 362 | |
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| 363 | //######################### Threads ######################### |
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| 364 | |
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[3494ca9] | 365 | int pthread_create(pthread_t * _thread, const pthread_attr_t * attr, void *(* start_routine)(void *), void * arg) libcfa_public __THROW { |
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| 366 | cfaPthread * t = alloc(); |
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| 367 | (*t){_thread, attr, start_routine, arg}; |
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[9cd5bd2] | 368 | return 0; |
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[8bd886e] | 369 | } |
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[9cd5bd2] | 370 | |
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[3494ca9] | 371 | int pthread_join(pthread_t _thread, void ** value_ptr) libcfa_public __THROW { |
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[8bd886e] | 372 | // if thread is invalid |
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| 373 | if (_thread == NULL) return EINVAL; |
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[9cd5bd2] | 374 | if (_thread == pthread_self()) return EDEADLK; |
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[8bd886e] | 375 | |
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| 376 | // get user thr pointer |
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[3494ca9] | 377 | cfaPthread * p = lookup(_thread); |
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[9cd5bd2] | 378 | try { |
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| 379 | join(*p); |
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[8bd886e] | 380 | } |
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| 381 | // if thread called pthread_exit |
---|
| 382 | catchResume (ThreadCancelled(cfaPthread) * cancel) {} |
---|
| 383 | |
---|
| 384 | // fetch result |
---|
| 385 | if (value_ptr != NULL ) *value_ptr = p->joinval; |
---|
[9cd5bd2] | 386 | delete(p); |
---|
| 387 | return 0; |
---|
[8bd886e] | 388 | } |
---|
[9cd5bd2] | 389 | |
---|
[3494ca9] | 390 | int pthread_tryjoin_np(pthread_t _thread, void ** value_ptr) libcfa_public __THROW { |
---|
[8bd886e] | 391 | // if thread is invalid |
---|
| 392 | if (_thread == NULL) return EINVAL; |
---|
[9cd5bd2] | 393 | if (_thread == pthread_self()) return EDEADLK; |
---|
[8bd886e] | 394 | |
---|
[3494ca9] | 395 | cfaPthread * p = lookup(_thread); |
---|
[8bd886e] | 396 | |
---|
| 397 | // thread not finished ? |
---|
| 398 | if (!p->isTerminated) return EBUSY; |
---|
| 399 | |
---|
[9cd5bd2] | 400 | join( *p ); |
---|
[8bd886e] | 401 | |
---|
[9cd5bd2] | 402 | if (value_ptr != NULL ) *value_ptr = p->joinval; |
---|
| 403 | delete(p); |
---|
| 404 | return 0; |
---|
[8bd886e] | 405 | } |
---|
[9cd5bd2] | 406 | |
---|
| 407 | pthread_t pthread_self(void) libcfa_public __THROW { |
---|
[8bd886e] | 408 | return (pthread_t)((uintptr_t)active_thread() - (sizeof(cfaPthread) - sizeof(thread$))); |
---|
| 409 | } |
---|
[9cd5bd2] | 410 | |
---|
| 411 | void pthread_exit(void * status) libcfa_public __THROW { |
---|
| 412 | pthread_t pid = pthread_self(); |
---|
[3494ca9] | 413 | cfaPthread * _thread = (cfaPthread *)pid; |
---|
[9cd5bd2] | 414 | _thread->joinval = status; // set return value |
---|
| 415 | _thread->isTerminated = 1; // set terminated flag |
---|
[3494ca9] | 416 | cancel_stack((pthread_exit_exp){&exp_vt}); |
---|
[9cd5bd2] | 417 | } //pthread_exit_ |
---|
| 418 | |
---|
| 419 | int pthread_yield( void ) __THROW { // GNU extension |
---|
| 420 | yield(); |
---|
| 421 | return 0; |
---|
| 422 | } |
---|
| 423 | |
---|
| 424 | |
---|
| 425 | //######################### Mutex ######################### |
---|
| 426 | |
---|
[3494ca9] | 427 | int pthread_mutex_init(pthread_mutex_t *_mutex, const pthread_mutexattr_t * attr) libcfa_public __THROW { |
---|
[9cd5bd2] | 428 | check_nonnull(_mutex); |
---|
| 429 | init(_mutex); |
---|
| 430 | return 0; |
---|
| 431 | } //pthread_mutex_init_ |
---|
| 432 | |
---|
| 433 | |
---|
| 434 | int pthread_mutex_destroy(pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
| 435 | check_nonnull(_mutex); |
---|
[3494ca9] | 436 | simple_owner_lock * _lock = get(_mutex); |
---|
[f5f2768] | 437 | if (_lock->owner != NULL) { |
---|
[9cd5bd2] | 438 | return EBUSY; |
---|
| 439 | } |
---|
| 440 | destroy(_mutex); |
---|
| 441 | return 0; |
---|
| 442 | } //pthread_mutex_destroy_ |
---|
| 443 | |
---|
| 444 | int pthread_mutex_lock(pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
| 445 | check_nonnull(_mutex); |
---|
| 446 | mutex_check(_mutex); |
---|
[3494ca9] | 447 | simple_owner_lock * _lock = get(_mutex); |
---|
[9cd5bd2] | 448 | lock(*_lock); |
---|
| 449 | return 0; |
---|
| 450 | } //pthread_mutex_lock_ |
---|
| 451 | |
---|
| 452 | int pthread_mutex_unlock(pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
| 453 | check_nonnull(_mutex); |
---|
[3494ca9] | 454 | simple_owner_lock * _lock = get(_mutex); |
---|
[f5f2768] | 455 | if (_lock->owner != active_thread()) { |
---|
[9cd5bd2] | 456 | return EPERM; |
---|
| 457 | } // current thread does not hold the mutex |
---|
| 458 | unlock(*_lock); |
---|
| 459 | return 0; |
---|
| 460 | } //pthread_mutex_unlock_ |
---|
| 461 | |
---|
| 462 | int pthread_mutex_trylock(pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
| 463 | check_nonnull(_mutex); |
---|
[3494ca9] | 464 | simple_owner_lock * _lock = get(_mutex); |
---|
[f5f2768] | 465 | if (_lock->owner != active_thread() && _lock->owner != NULL) { |
---|
[9cd5bd2] | 466 | return EBUSY; |
---|
| 467 | } // if mutex is owned |
---|
| 468 | lock(*_lock); |
---|
| 469 | return 0; |
---|
| 470 | } //pthread_mutex_trylock_ |
---|
| 471 | |
---|
| 472 | //######################### Conditional Variable ######################### |
---|
| 473 | |
---|
| 474 | /* conditional variable routines */ |
---|
[3494ca9] | 475 | int pthread_cond_init(pthread_cond_t * cond, const pthread_condattr_t * attr) libcfa_public __THROW { |
---|
[9cd5bd2] | 476 | check_nonnull(cond); |
---|
| 477 | init(cond); |
---|
| 478 | return 0; |
---|
| 479 | } //pthread_cond_init |
---|
| 480 | |
---|
[3494ca9] | 481 | int pthread_cond_wait(pthread_cond_t * cond, pthread_mutex_t *_mutex) libcfa_public __THROW { |
---|
[9cd5bd2] | 482 | check_nonnull(_mutex); |
---|
| 483 | check_nonnull(cond); |
---|
| 484 | wait(*get(cond), *get(_mutex)); |
---|
| 485 | return 0; |
---|
| 486 | } // pthread_cond_wait |
---|
| 487 | |
---|
| 488 | int pthread_cond_timedwait(pthread_cond_t * cond, pthread_mutex_t * _mutex, const struct timespec * abstime) libcfa_public __THROW { |
---|
| 489 | check_nonnull(_mutex); |
---|
| 490 | check_nonnull(cond); |
---|
| 491 | wait(*get(cond), *get(_mutex), *abstime); |
---|
| 492 | return 0; |
---|
| 493 | } // pthread_cond_timedwait |
---|
| 494 | |
---|
[3494ca9] | 495 | int pthread_cond_signal(pthread_cond_t * cond) libcfa_public __THROW { |
---|
[9cd5bd2] | 496 | check_nonnull(cond); |
---|
| 497 | return notify_one(*get(cond)); |
---|
| 498 | } // pthread_cond_signal |
---|
| 499 | |
---|
[3494ca9] | 500 | int pthread_cond_broadcast(pthread_cond_t * cond) libcfa_public __THROW { |
---|
[9cd5bd2] | 501 | check_nonnull(cond); |
---|
| 502 | return notify_all(*get(cond)); |
---|
| 503 | } // pthread_cond_broadcast |
---|
| 504 | |
---|
[3494ca9] | 505 | int pthread_cond_destroy(pthread_cond_t * cond) libcfa_public __THROW { |
---|
[9cd5bd2] | 506 | check_nonnull(cond); |
---|
| 507 | destroy(cond); |
---|
| 508 | return 0; |
---|
| 509 | } // pthread_cond_destroy |
---|
| 510 | |
---|
| 511 | |
---|
| 512 | |
---|
| 513 | //######################### Local storage ######################### |
---|
| 514 | |
---|
[3494ca9] | 515 | int pthread_once(pthread_once_t * once_control, void (* init_routine)(void)) libcfa_public __THROW { |
---|
[9cd5bd2] | 516 | static_assert(sizeof(pthread_once_t) >= sizeof(int),"sizeof(pthread_once_t) < sizeof(int)"); |
---|
| 517 | check_nonnull(once_control); |
---|
| 518 | check_nonnull(init_routine); |
---|
| 519 | lock(once_lock); |
---|
| 520 | if ( *((int *)once_control) == 0 ) { |
---|
| 521 | init_routine(); |
---|
| 522 | *((int *)once_control) = 1; |
---|
| 523 | } // if |
---|
| 524 | unlock(once_lock); |
---|
| 525 | return 0; |
---|
| 526 | } // pthread_once |
---|
| 527 | |
---|
[3494ca9] | 528 | int pthread_key_create( pthread_key_t * key, void (* destructor)( void * ) ) libcfa_public __THROW { |
---|
[9cd5bd2] | 529 | lock(key_lock); |
---|
| 530 | for ( int i = 0; i < PTHREAD_KEYS_MAX; i += 1 ) { |
---|
| 531 | if ( ! cfa_pthread_keys[i].in_use ) { |
---|
| 532 | cfa_pthread_keys[i].in_use = true; |
---|
| 533 | cfa_pthread_keys[i].destructor = destructor; |
---|
| 534 | unlock( key_lock ); |
---|
| 535 | *key = i; |
---|
| 536 | return 0; |
---|
| 537 | } // if |
---|
| 538 | } // for |
---|
| 539 | unlock(key_lock); |
---|
| 540 | return EAGAIN; |
---|
| 541 | } // pthread_key_create |
---|
| 542 | |
---|
| 543 | int pthread_key_delete( pthread_key_t key ) libcfa_public __THROW { |
---|
| 544 | lock(key_lock); |
---|
| 545 | if ( key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use ) { |
---|
| 546 | unlock( key_lock ); |
---|
| 547 | return EINVAL; |
---|
| 548 | } // if |
---|
| 549 | cfa_pthread_keys[key].in_use = false; |
---|
| 550 | cfa_pthread_keys[key].destructor = NULL; |
---|
| 551 | |
---|
| 552 | // Remove key from all threads with a value. |
---|
[8bd886e] | 553 | pthread_values& p; |
---|
| 554 | Sequence(pthread_values)& head = cfa_pthread_keys[key].threads; |
---|
| 555 | for ( SeqIter(pthread_values) iter = { head }; iter | p; ) { |
---|
[9cd5bd2] | 556 | remove(head, p); |
---|
| 557 | p.in_use = false; |
---|
| 558 | } |
---|
| 559 | unlock(key_lock); |
---|
| 560 | return 0; |
---|
| 561 | } // pthread_key_delete |
---|
| 562 | |
---|
[3494ca9] | 563 | int pthread_setspecific( pthread_key_t key, const void * value ) libcfa_public __THROW { |
---|
[9cd5bd2] | 564 | // get current thread |
---|
[3494ca9] | 565 | cfaPthread * t = lookup(pthread_self()); |
---|
[9cd5bd2] | 566 | // if current thread's pthreadData is NULL; initialize it |
---|
[3494ca9] | 567 | pthread_values * values; |
---|
[f5f2768] | 568 | if (t->pthreadData == NULL) { |
---|
[9cd5bd2] | 569 | values = anew( PTHREAD_KEYS_MAX); |
---|
| 570 | t->pthreadData = values; |
---|
[3494ca9] | 571 | for ( int i = 0;i < PTHREAD_KEYS_MAX; i++ ) { |
---|
[9cd5bd2] | 572 | t->pthreadData[i].in_use = false; |
---|
| 573 | } // for |
---|
| 574 | } else { |
---|
| 575 | values = t->pthreadData; |
---|
| 576 | } // if |
---|
| 577 | // find corresponding key and set value |
---|
| 578 | lock(key_lock); |
---|
| 579 | // if invalid key |
---|
| 580 | if ( key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use ) { |
---|
| 581 | unlock( key_lock ); |
---|
| 582 | return EINVAL; |
---|
| 583 | } // if |
---|
[8bd886e] | 584 | pthread_values &entry = values[key]; |
---|
[9cd5bd2] | 585 | if ( ! entry.in_use ) { |
---|
| 586 | entry.in_use = true; |
---|
| 587 | add(cfa_pthread_keys[key].threads, entry); |
---|
| 588 | } // if |
---|
| 589 | entry.value = (void *)value; |
---|
| 590 | unlock(key_lock); |
---|
| 591 | return 0; |
---|
| 592 | } //pthread_setspecific |
---|
| 593 | |
---|
[3494ca9] | 594 | void * pthread_getspecific(pthread_key_t key) libcfa_public __THROW { |
---|
[9cd5bd2] | 595 | if (key >= PTHREAD_KEYS_MAX || ! cfa_pthread_keys[key].in_use) return NULL; |
---|
| 596 | |
---|
| 597 | // get current thread |
---|
[3494ca9] | 598 | cfaPthread * t = lookup(pthread_self()); |
---|
[9cd5bd2] | 599 | if (t->pthreadData == NULL) return NULL; |
---|
| 600 | lock(key_lock); |
---|
[a0a949c] | 601 | pthread_values & entry = ((pthread_values *)t->pthreadData)[key]; |
---|
[9cd5bd2] | 602 | if ( ! entry.in_use ) { |
---|
| 603 | unlock( key_lock ); |
---|
| 604 | return NULL; |
---|
| 605 | } // if |
---|
[3494ca9] | 606 | void * value = entry.value; |
---|
[9cd5bd2] | 607 | unlock(key_lock); |
---|
| 608 | |
---|
| 609 | return value; |
---|
| 610 | } //pthread_get_specific |
---|
| 611 | |
---|
| 612 | //######################### Parallelism ######################### |
---|
[8bd886e] | 613 | void pthread_delete_kernel_threads_() __THROW { // see uMain::~uMain |
---|
[9cd5bd2] | 614 | Pthread_kernel_threads& p; |
---|
| 615 | for ( StackIter(Pthread_kernel_threads) iter = {cfa_pthreads_kernel_threads}; iter | p; ) { |
---|
| 616 | delete(&p); |
---|
| 617 | } // for |
---|
| 618 | } // pthread_delete_kernel_threads_ |
---|
| 619 | |
---|
[8bd886e] | 620 | int pthread_getconcurrency( void ) __THROW { // XOPEN extension |
---|
[9cd5bd2] | 621 | return cfa_pthreads_kernel_threads_zero ? 0 : cfa_pthreads_no_kernel_threads; |
---|
| 622 | } // pthread_getconcurrency |
---|
| 623 | |
---|
| 624 | int pthread_setconcurrency( int new_level ) libcfa_public __THROW { // XOPEN extension |
---|
[8bd886e] | 625 | if ( new_level < 0 ) return EINVAL; |
---|
| 626 | if ( new_level == 0 ) { |
---|
| 627 | cfa_pthreads_kernel_threads_zero = true; // remember set to zero, but ignore |
---|
| 628 | return 0; // do not do kernel thread management |
---|
| 629 | } // exit |
---|
| 630 | cfa_pthreads_kernel_threads_zero = false; |
---|
| 631 | lock( concurrency_lock ); |
---|
| 632 | for ( ; new_level > cfa_pthreads_no_kernel_threads; cfa_pthreads_no_kernel_threads += 1 ) { // add processors ? |
---|
| 633 | push(cfa_pthreads_kernel_threads, *new() ); |
---|
| 634 | } // for |
---|
| 635 | for ( ; new_level < cfa_pthreads_no_kernel_threads; cfa_pthreads_no_kernel_threads -= 1 ) { // remove processors ? |
---|
| 636 | delete(&pop(cfa_pthreads_kernel_threads)); |
---|
| 637 | } // for |
---|
| 638 | unlock( concurrency_lock ); |
---|
| 639 | return 0; |
---|
[9cd5bd2] | 640 | } // pthread_setconcurrency |
---|
| 641 | |
---|
| 642 | //######################### Signal ######################### |
---|
| 643 | |
---|
| 644 | |
---|
| 645 | int pthread_sigmask( int /* how */, const sigset_t * /* set */, sigset_t * /* oset */ ) libcfa_public __THROW { |
---|
[8bd886e] | 646 | abort( "pthread_sigmask : not implemented" ); |
---|
| 647 | return 0; |
---|
[9cd5bd2] | 648 | } // pthread_sigmask |
---|
| 649 | |
---|
| 650 | int pthread_kill( pthread_t _thread __attribute__(( unused )), int sig ) libcfa_public __THROW { |
---|
| 651 | if ( sig == 0 ) { |
---|
| 652 | return 0; |
---|
| 653 | } else { |
---|
| 654 | abort( "pthread_kill : not implemented" ); |
---|
| 655 | } // if |
---|
| 656 | return 0; |
---|
| 657 | } // pthread_kill |
---|
| 658 | |
---|
| 659 | int pthread_sigqueue(pthread_t , int sig, const union sigval) libcfa_public __THROW { |
---|
[8bd886e] | 660 | abort( "pthread_sigqueue : not implemented" ); |
---|
[9cd5bd2] | 661 | return 0; |
---|
| 662 | } // pthread_sigqueue |
---|
| 663 | |
---|
| 664 | //######################### Scheduling ######################### |
---|
| 665 | int pthread_detach( pthread_t threadID ) __THROW { |
---|
[8bd886e] | 666 | abort( "pthread_detach : not implemented" ); |
---|
[9cd5bd2] | 667 | return 0; |
---|
| 668 | } // pthread_detach |
---|
| 669 | |
---|
| 670 | int pthread_setschedparam( pthread_t /* thread */, int /* policy */, const struct sched_param * /* param */ ) libcfa_public __THROW { |
---|
| 671 | abort( "pthread_setschedparam : not implemented" ); |
---|
| 672 | return 0; |
---|
| 673 | } // pthread_setschedparam |
---|
| 674 | |
---|
| 675 | int pthread_getschedparam( pthread_t /* thread */, int */* policy */, struct sched_param * /* param */ ) libcfa_public __THROW { |
---|
| 676 | abort( "pthread_getschedparam : not implemented" ); |
---|
| 677 | return 0; |
---|
| 678 | } // pthread_getschedparam |
---|
| 679 | |
---|
| 680 | //######################### Mutex Attr ######################### |
---|
| 681 | |
---|
| 682 | int pthread_mutexattr_init( pthread_mutexattr_t * /* attr */ ) libcfa_public __THROW { |
---|
| 683 | return 0; |
---|
| 684 | } // pthread_mutexattr_init |
---|
| 685 | |
---|
| 686 | int pthread_mutexattr_destroy( pthread_mutexattr_t * /* attr */ ) libcfa_public __THROW { |
---|
[8bd886e] | 687 | return 0; |
---|
[9cd5bd2] | 688 | } // pthread_mutexattr_destroy |
---|
[a7d696f] | 689 | |
---|
[9cd5bd2] | 690 | int pthread_mutexattr_setpshared( pthread_mutexattr_t * /* attr */, int /* pshared */ ) libcfa_public __THROW { |
---|
[8bd886e] | 691 | return 0; |
---|
[9cd5bd2] | 692 | } // pthread_mutexattr_setpshared |
---|
[a7d696f] | 693 | |
---|
[9cd5bd2] | 694 | int pthread_mutexattr_getpshared( const pthread_mutexattr_t * /* attr */, int * /* pshared */ ) libcfa_public __THROW { |
---|
[8bd886e] | 695 | return 0; |
---|
[9cd5bd2] | 696 | } // pthread_mutexattr_getpshared |
---|
[a7d696f] | 697 | |
---|
[9cd5bd2] | 698 | int pthread_mutexattr_setprotocol( pthread_mutexattr_t * /* attr */, int /* protocol */ ) libcfa_public __THROW { |
---|
[8bd886e] | 699 | return 0; |
---|
[9cd5bd2] | 700 | } // pthread_mutexattr_setprotocol |
---|
[a7d696f] | 701 | |
---|
[9cd5bd2] | 702 | int pthread_mutexattr_getprotocol( const pthread_mutexattr_t * /* attr */, int * /* protocol */ ) libcfa_public __THROW { |
---|
[8bd886e] | 703 | return 0; |
---|
[9cd5bd2] | 704 | } // pthread_mutexattr_getprotocol |
---|
[a7d696f] | 705 | |
---|
[9cd5bd2] | 706 | int pthread_mutexattr_setprioceiling( pthread_mutexattr_t * /* attr */, int /* prioceiling */ ) libcfa_public __THROW { |
---|
[8bd886e] | 707 | return 0; |
---|
[9cd5bd2] | 708 | } // pthread_mutexattr_setprioceiling |
---|
[a7d696f] | 709 | |
---|
[9cd5bd2] | 710 | int pthread_mutexattr_getprioceiling( const pthread_mutexattr_t * /* attr */, int * /* ceiling */ ) libcfa_public __THROW { |
---|
[8bd886e] | 711 | return 0; |
---|
[9cd5bd2] | 712 | } // pthread_mutexattr_getprioceiling |
---|
[a7d696f] | 713 | |
---|
[9cd5bd2] | 714 | int pthread_mutex_setprioceiling( pthread_mutex_t * /* mutex */, int /* prioceiling */, int * /* old_ceiling */ ) libcfa_public __THROW { |
---|
[8bd886e] | 715 | return 0; |
---|
[9cd5bd2] | 716 | } // pthread_mutex_setprioceiling |
---|
[a7d696f] | 717 | |
---|
[9cd5bd2] | 718 | int pthread_mutex_getprioceiling( const pthread_mutex_t * /* mutex */, int * /* ceiling */ ) libcfa_public __THROW { |
---|
[8bd886e] | 719 | return 0; |
---|
[9cd5bd2] | 720 | } // pthread_mutex_getprioceiling |
---|
[a7d696f] | 721 | |
---|
[9cd5bd2] | 722 | int pthread_mutexattr_gettype( __const pthread_mutexattr_t * __restrict /* __attr */, int * __restrict /* __kind */ ) libcfa_public __THROW { |
---|
[8bd886e] | 723 | return 0; |
---|
[9cd5bd2] | 724 | } // pthread_mutexattr_gettype |
---|
[a7d696f] | 725 | |
---|
[9cd5bd2] | 726 | int pthread_mutexattr_settype( pthread_mutexattr_t * /* __attr */, int /* __kind */ ) libcfa_public __THROW { |
---|
[8bd886e] | 727 | return 0; |
---|
[9cd5bd2] | 728 | } // pthread_mutexattr_settype |
---|
[a7d696f] | 729 | |
---|
[9cd5bd2] | 730 | //######################### Mutex ######################### |
---|
[a7d696f] | 731 | |
---|
[9cd5bd2] | 732 | int pthread_mutex_timedlock( pthread_mutex_t *__restrict /* __mutex */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
---|
| 733 | abort( "pthread_mutex_timedlock" ); |
---|
| 734 | } // pthread_mutex_timedlock |
---|
[a7d696f] | 735 | |
---|
[9cd5bd2] | 736 | //######################### Condition ######################### |
---|
[a7d696f] | 737 | |
---|
[9cd5bd2] | 738 | int pthread_condattr_getclock( __const pthread_condattr_t * __restrict /* __attr */, __clockid_t *__restrict /* __clock_id */ ) libcfa_public __THROW { |
---|
| 739 | abort( "pthread_condattr_getclock" ); |
---|
| 740 | } // pthread_condattr_getclock |
---|
[a7d696f] | 741 | |
---|
[9cd5bd2] | 742 | int pthread_condattr_setclock( pthread_condattr_t * /* __attr */, __clockid_t /* __clock_id */ ) libcfa_public __THROW { |
---|
| 743 | abort( "pthread_condattr_setclock" ); |
---|
| 744 | } // pthread_condattr_setclock |
---|
[a7d696f] | 745 | |
---|
[9cd5bd2] | 746 | //######################### Spinlock ######################### |
---|
[a7d696f] | 747 | |
---|
[9cd5bd2] | 748 | int pthread_spin_init( pthread_spinlock_t * /* __lock */, int /*__pshared */ ) libcfa_public __THROW { |
---|
| 749 | abort( "pthread_spin_init" ); |
---|
| 750 | } // pthread_spin_init |
---|
[a7d696f] | 751 | |
---|
[9cd5bd2] | 752 | int pthread_spin_destroy( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
| 753 | abort( "pthread_spin_destroy" ); |
---|
| 754 | } // pthread_spin_destroy |
---|
[a7d696f] | 755 | |
---|
[9cd5bd2] | 756 | int pthread_spin_lock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
| 757 | abort( "pthread_spin_lock" ); |
---|
| 758 | } // pthread_spin_lock |
---|
[a7d696f] | 759 | |
---|
[9cd5bd2] | 760 | int pthread_spin_trylock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
| 761 | abort( "pthread_spin_trylock" ); |
---|
| 762 | } // pthread_spin_trylock |
---|
[a7d696f] | 763 | |
---|
[9cd5bd2] | 764 | int pthread_spin_unlock( pthread_spinlock_t * /* __lock */ ) libcfa_public __THROW { |
---|
| 765 | abort( "pthread_spin_unlock" ); |
---|
| 766 | } // pthread_spin_unlock |
---|
[a7d696f] | 767 | |
---|
[9cd5bd2] | 768 | //######################### Barrier ######################### |
---|
[a7d696f] | 769 | |
---|
[9cd5bd2] | 770 | int pthread_barrier_init( pthread_barrier_t *__restrict /* __barrier */, __const pthread_barrierattr_t *__restrict /* __attr */, unsigned int /* __count */ ) libcfa_public __THROW { |
---|
| 771 | abort( "pthread_barrier_init" ); |
---|
| 772 | } // pthread_barrier_init |
---|
[a7d696f] | 773 | |
---|
[9cd5bd2] | 774 | int pthread_barrier_destroy( pthread_barrier_t * /* __barrier */ ) libcfa_public __THROW { |
---|
| 775 | abort( "pthread_barrier_destroy" ); |
---|
| 776 | } // pthread_barrier_destroy |
---|
[a7d696f] | 777 | |
---|
[9cd5bd2] | 778 | int pthread_barrier_wait( pthread_barrier_t * /* __barrier */ ) libcfa_public __THROW { |
---|
| 779 | abort( "pthread_barrier_wait" ); |
---|
| 780 | } // pthread_barrier_wait |
---|
[a7d696f] | 781 | |
---|
[9cd5bd2] | 782 | int pthread_barrierattr_init( pthread_barrierattr_t * /* __attr */ ) libcfa_public __THROW { |
---|
| 783 | abort( "pthread_barrierattr_init" ); |
---|
| 784 | } // pthread_barrierattr_init |
---|
[a7d696f] | 785 | |
---|
[9cd5bd2] | 786 | int pthread_barrierattr_destroy( pthread_barrierattr_t * /* __attr */ ) libcfa_public __THROW { |
---|
| 787 | abort( "pthread_barrierattr_destroy" ); |
---|
| 788 | } // pthread_barrierattr_destroy |
---|
[a7d696f] | 789 | |
---|
[9cd5bd2] | 790 | int pthread_barrierattr_getpshared( __const pthread_barrierattr_t * __restrict /* __attr */, int *__restrict /* __pshared */ ) libcfa_public __THROW { |
---|
| 791 | abort( "pthread_barrierattr_getpshared" ); |
---|
| 792 | } // pthread_barrierattr_getpshared |
---|
[a7d696f] | 793 | |
---|
[9cd5bd2] | 794 | int pthread_barrierattr_setpshared( pthread_barrierattr_t * /* __attr */, int /* __pshared */ ) libcfa_public __THROW { |
---|
| 795 | abort( "pthread_barrierattr_setpshared" ); |
---|
| 796 | } // pthread_barrierattr_setpshared |
---|
[a7d696f] | 797 | |
---|
[9cd5bd2] | 798 | //######################### Clock ######################### |
---|
[a7d696f] | 799 | |
---|
[9cd5bd2] | 800 | int pthread_getcpuclockid( pthread_t /* __thread_id */, __clockid_t * /* __clock_id */ ) libcfa_public __THROW { |
---|
| 801 | abort( "pthread_getcpuclockid" ); |
---|
| 802 | } // pthread_getcpuclockid |
---|
[a7d696f] | 803 | |
---|
[9cd5bd2] | 804 | // pthread_atfork() |
---|
[a7d696f] | 805 | |
---|
| 806 | // UNIX98 |
---|
| 807 | |
---|
[9cd5bd2] | 808 | //######################### Read/Write ######################### |
---|
[a7d696f] | 809 | |
---|
[9cd5bd2] | 810 | int pthread_rwlock_init( pthread_rwlock_t *__restrict /* __rwlock */, __const pthread_rwlockattr_t *__restrict /* __attr */ ) libcfa_public __THROW { |
---|
| 811 | abort( "pthread_rwlock_init" ); |
---|
| 812 | } // pthread_rwlock_init |
---|
[a7d696f] | 813 | |
---|
[9cd5bd2] | 814 | int pthread_rwlock_destroy( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 815 | abort( "pthread_rwlock_destroy" ); |
---|
| 816 | } // pthread_rwlock_destroy |
---|
[a7d696f] | 817 | |
---|
[9cd5bd2] | 818 | int pthread_rwlock_rdlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 819 | abort( "pthread_rwlock_rdlock" ); |
---|
| 820 | } // pthread_rwlock_rdlock |
---|
[a7d696f] | 821 | |
---|
[9cd5bd2] | 822 | int pthread_rwlock_tryrdlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 823 | abort( "pthread_rwlock_tryrdlock" ); |
---|
| 824 | } // pthread_rwlock_tryrdlock |
---|
[a7d696f] | 825 | |
---|
[9cd5bd2] | 826 | int pthread_rwlock_wrlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 827 | abort( "pthread_rwlock_wrlock" ); |
---|
| 828 | } // pthread_rwlock_wrlock |
---|
[a7d696f] | 829 | |
---|
[9cd5bd2] | 830 | int pthread_rwlock_trywrlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 831 | abort( "pthread_rwlock_trywrlock" ); |
---|
| 832 | } // pthread_rwlock_trywrlock |
---|
[a7d696f] | 833 | |
---|
[9cd5bd2] | 834 | int pthread_rwlock_unlock( pthread_rwlock_t * /* __rwlock */ ) libcfa_public __THROW { |
---|
| 835 | abort( "pthread_rwlock_unlock" ); |
---|
| 836 | } // pthread_rwlock_unlock |
---|
[a7d696f] | 837 | |
---|
[9cd5bd2] | 838 | int pthread_rwlockattr_init( pthread_rwlockattr_t * /* __attr */ ) libcfa_public __THROW { |
---|
| 839 | abort( "pthread_rwlockattr_init" ); |
---|
| 840 | } // pthread_rwlockattr_init |
---|
[a7d696f] | 841 | |
---|
[9cd5bd2] | 842 | int pthread_rwlockattr_destroy( pthread_rwlockattr_t * /*__attr */ ) libcfa_public __THROW { |
---|
| 843 | abort( "pthread_rwlockattr_destroy" ); |
---|
| 844 | } // pthread_rwlockattr_destroy |
---|
[a7d696f] | 845 | |
---|
[9cd5bd2] | 846 | int pthread_rwlockattr_getpshared( __const pthread_rwlockattr_t * __restrict /* __attr */, int *__restrict /* __pshared */ ) libcfa_public __THROW { |
---|
| 847 | abort( "pthread_rwlockattr_getpshared" ); |
---|
| 848 | } // pthread_rwlockattr_getpshared |
---|
[a7d696f] | 849 | |
---|
[9cd5bd2] | 850 | int pthread_rwlockattr_setpshared( pthread_rwlockattr_t * /* __attr */, int /* __pshared */ ) libcfa_public __THROW { |
---|
| 851 | abort( "pthread_rwlockattr_setpshared" ); |
---|
| 852 | } // pthread_rwlockattr_setpshared |
---|
[a7d696f] | 853 | |
---|
[9cd5bd2] | 854 | int pthread_rwlockattr_getkind_np( __const pthread_rwlockattr_t * /* __attr */, int * /* __pref */ ) libcfa_public __THROW { |
---|
| 855 | abort( "pthread_rwlockattr_getkind_np" ); |
---|
| 856 | } // pthread_rwlockattr_getkind_np |
---|
[a7d696f] | 857 | |
---|
[9cd5bd2] | 858 | int pthread_rwlockattr_setkind_np( pthread_rwlockattr_t * /* __attr */, int /* __pref */ ) libcfa_public __THROW { |
---|
| 859 | abort( "pthread_rwlockattr_setkind_np" ); |
---|
| 860 | } // pthread_rwlockattr_setkind_np |
---|
[a7d696f] | 861 | |
---|
| 862 | // UNIX98 + XOPEN |
---|
| 863 | |
---|
[9cd5bd2] | 864 | int pthread_rwlock_timedrdlock( pthread_rwlock_t *__restrict /* __rwlock */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
---|
| 865 | abort( "pthread_rwlock_timedrdlock" ); |
---|
| 866 | } // pthread_rwlock_timedrdlock |
---|
[a7d696f] | 867 | |
---|
[9cd5bd2] | 868 | int pthread_rwlock_timedwrlock( pthread_rwlock_t *__restrict /* __rwlock */, __const struct timespec *__restrict /* __abstime */ ) libcfa_public __THROW { |
---|
| 869 | abort( "pthread_rwlock_timedwrlock" ); |
---|
| 870 | } // pthread_rwlock_timedwrlock |
---|
[a7d696f] | 871 | |
---|
| 872 | // GNU |
---|
| 873 | |
---|
[9cd5bd2] | 874 | //######################### Parallelism ######################### |
---|
[a7d696f] | 875 | |
---|
[f5f2768] | 876 | // int pthread_setaffinity_np( pthread_t /* __th */, size_t /* __cpusetsize */, __const cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
---|
| 877 | // abort( "pthread_setaffinity_np" ); |
---|
| 878 | // } // pthread_setaffinity_np |
---|
[a7d696f] | 879 | |
---|
[f5f2768] | 880 | // int pthread_getaffinity_np( pthread_t /* __th */, size_t /* __cpusetsize */, cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
---|
| 881 | // abort( "pthread_getaffinity_np" ); |
---|
| 882 | // } // pthread_getaffinity_np |
---|
[a7d696f] | 883 | |
---|
[f5f2768] | 884 | // int pthread_attr_setaffinity_np( pthread_attr_t * /* __attr */, size_t /* __cpusetsize */, __const cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
---|
| 885 | // abort( "pthread_attr_setaffinity_np" ); |
---|
| 886 | // } // pthread_attr_setaffinity_np |
---|
[a7d696f] | 887 | |
---|
[f5f2768] | 888 | // int pthread_attr_getaffinity_np( __const pthread_attr_t * /* __attr */, size_t /* __cpusetsize */, cpu_set_t * /* __cpuset */ ) libcfa_public __THROW { |
---|
| 889 | // abort( "pthread_attr_getaffinity_np" ); |
---|
| 890 | // } // pthread_attr_getaffinity_np |
---|
[a7d696f] | 891 | |
---|
[9cd5bd2] | 892 | //######################### Cancellation ######################### |
---|
[a7d696f] | 893 | |
---|
[9cd5bd2] | 894 | void _pthread_cleanup_push_defer( struct _pthread_cleanup_buffer * /* __buffer */, void( * /* __routine */ )( void * ), void * /* __arg */ ) libcfa_public __THROW { |
---|
| 895 | abort( "_pthread_cleanup_push_defer" ); |
---|
| 896 | } // _pthread_cleanup_push_defer |
---|
[a7d696f] | 897 | |
---|
[9cd5bd2] | 898 | void _pthread_cleanup_pop_restore( struct _pthread_cleanup_buffer * /* __buffer */, int /* __execute */ ) libcfa_public __THROW { |
---|
| 899 | abort( "_pthread_cleanup_pop_restore" ); |
---|
| 900 | } // _pthread_cleanup_pop_res |
---|
[a7d696f] | 901 | |
---|
[9cd5bd2] | 902 | int pthread_cancel( pthread_t threadID ) libcfa_public __THROW { |
---|
| 903 | abort("pthread cancel not implemented"); |
---|
| 904 | return 0; |
---|
| 905 | } // pthread_cancel |
---|
[a7d696f] | 906 | |
---|
[3494ca9] | 907 | int pthread_setcancelstate( int state, int * oldstate ) libcfa_public __THROW { |
---|
[9cd5bd2] | 908 | abort("pthread_setcancelstate not implemented"); |
---|
| 909 | return 0; |
---|
| 910 | } // pthread_setcancelstate |
---|
[a7d696f] | 911 | |
---|
[3494ca9] | 912 | int pthread_setcanceltype( int type, int * oldtype ) libcfa_public __THROW { |
---|
[9cd5bd2] | 913 | abort("pthread_setcanceltype not implemented"); |
---|
| 914 | return 0; |
---|
| 915 | } // pthread_setcanceltype |
---|
[20be782] | 916 | } // extern "C" |
---|
| 917 | |
---|
[a7d696f] | 918 | #pragma GCC diagnostic pop |
---|