source: libcfa/src/concurrency/kernel_private.hfa @ 1805b1b

arm-ehjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-expr
Last change on this file since 1805b1b was 1805b1b, checked in by Peter A. Buhr <pabuhr@…>, 23 months ago

refactor pthread_create into create_pthread, change NULL to 0p

  • Property mode set to 100644
File size: 3.5 KB
Line 
1//
2// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
3//
4// The contents of this file are covered under the licence agreement in the
5// file "LICENCE" distributed with Cforall.
6//
7// kernel_private.hfa --
8//
9// Author           : Thierry Delisle
10// Created On       : Mon Feb 13 12:27:26 2017
11// Last Modified By : Peter A. Buhr
12// Last Modified On : Sat Nov 30 19:25:02 2019
13// Update Count     : 8
14//
15
16#pragma once
17
18#include "kernel.hfa"
19#include "thread.hfa"
20
21#include "alarm.hfa"
22
23
24//-----------------------------------------------------------------------------
25// Scheduler
26
27extern "C" {
28        void disable_interrupts() OPTIONAL_THREAD;
29        void enable_interrupts_noPoll();
30        void enable_interrupts( __cfaabi_dbg_ctx_param );
31}
32
33void ScheduleThread( thread_desc * );
34static inline void WakeThread( thread_desc * thrd ) {
35        if( !thrd ) return;
36
37        verify(thrd->state == Inactive);
38
39        disable_interrupts();
40        ScheduleThread( thrd );
41        enable_interrupts( __cfaabi_dbg_ctx );
42}
43thread_desc * nextThread(cluster * this);
44
45//Block current thread and release/wake-up the following resources
46void BlockInternal(void);
47void BlockInternal(__spinlock_t * lock);
48void BlockInternal(thread_desc * thrd);
49void BlockInternal(__spinlock_t * lock, thread_desc * thrd);
50void BlockInternal(__spinlock_t * locks [], unsigned short count);
51void BlockInternal(__spinlock_t * locks [], unsigned short count, thread_desc * thrds [], unsigned short thrd_count);
52void BlockInternal(__finish_callback_fptr_t callback);
53void LeaveThread(__spinlock_t * lock, thread_desc * thrd);
54
55//-----------------------------------------------------------------------------
56// Processor
57void main(processorCtx_t *);
58
59void * create_pthread( pthread_t *, void * (*)(void *), void * );
60
61static inline void wake_fast(processor * this) {
62        __cfaabi_dbg_print_safe("Kernel : Waking up processor %p\n", this);
63        post( this->idleLock );
64}
65
66static inline void wake(processor * this) {
67        disable_interrupts();
68        wake_fast(this);
69        enable_interrupts( __cfaabi_dbg_ctx );
70}
71
72struct event_kernel_t {
73        alarm_list_t alarms;
74        __spinlock_t lock;
75};
76
77extern event_kernel_t * event_kernel;
78
79struct __cfa_kernel_preemption_state_t {
80        bool enabled;
81        bool in_progress;
82        unsigned short disable_count;
83};
84
85extern volatile thread_local __cfa_kernel_preemption_state_t preemption_state __attribute__ ((tls_model ( "initial-exec" )));
86
87//-----------------------------------------------------------------------------
88// Threads
89extern "C" {
90      forall(dtype T | is_thread(T))
91      void CtxInvokeThread(T * this);
92}
93
94extern void ThreadCtxSwitch(coroutine_desc * src, coroutine_desc * dst);
95
96__cfaabi_dbg_debug_do(
97        extern void __cfaabi_dbg_thread_register  ( thread_desc * thrd );
98        extern void __cfaabi_dbg_thread_unregister( thread_desc * thrd );
99)
100
101//-----------------------------------------------------------------------------
102// Utils
103#define KERNEL_STORAGE(T,X) static char storage_##X[sizeof(T)]
104
105static inline uint32_t tls_rand() {
106        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 6;
107        kernelTLS.rand_seed ^= kernelTLS.rand_seed >> 21;
108        kernelTLS.rand_seed ^= kernelTLS.rand_seed << 7;
109        return kernelTLS.rand_seed;
110}
111
112
113void doregister( struct cluster & cltr );
114void unregister( struct cluster & cltr );
115
116void doregister( struct cluster * cltr, struct thread_desc & thrd );
117void unregister( struct cluster * cltr, struct thread_desc & thrd );
118
119void doregister( struct cluster * cltr, struct processor * proc );
120void unregister( struct cluster * cltr, struct processor * proc );
121
122// Local Variables: //
123// mode: c //
124// tab-width: 4 //
125// End: //
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