76 lines
1.3 KiB
C
76 lines
1.3 KiB
C
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/*
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* Windows threads
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*/
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#ifndef __al_included_allegro5_aintwthr_h
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#define __al_included_allegro5_aintwthr_h
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#include <windows.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* threads */
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struct _AL_THREAD
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{
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/* private: */
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HANDLE thread;
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CRITICAL_SECTION cs;
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bool should_stop; /* XXX: use a dedicated terminate Event object? */
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void (*proc)(struct _AL_THREAD *self, void *arg);
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void *arg;
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};
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struct _AL_MUTEX
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{
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PCRITICAL_SECTION cs;
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};
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#define _AL_MUTEX_UNINITED { NULL }
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#define _AL_MARK_MUTEX_UNINITED(M) do { M.cs = NULL; } while (0)
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struct _AL_COND
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{
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long nWaitersBlocked;
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long nWaitersGone;
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long nWaitersToUnblock;
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HANDLE semBlockQueue;
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CRITICAL_SECTION semBlockLock;
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CRITICAL_SECTION mtxUnblockLock;
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};
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typedef struct ALLEGRO_TIMEOUT_WIN ALLEGRO_TIMEOUT_WIN;
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struct ALLEGRO_TIMEOUT_WIN
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{
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DWORD abstime;
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};
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AL_INLINE(bool, _al_get_thread_should_stop, (struct _AL_THREAD *t),
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{
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bool ret;
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EnterCriticalSection(&t->cs);
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ret = t->should_stop;
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LeaveCriticalSection(&t->cs);
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return ret;
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})
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AL_INLINE(void, _al_mutex_lock, (struct _AL_MUTEX *m),
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{
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if (m->cs)
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EnterCriticalSection(m->cs);
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})
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AL_INLINE(void, _al_mutex_unlock, (struct _AL_MUTEX *m),
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{
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if (m->cs)
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LeaveCriticalSection(m->cs);
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})
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#ifdef __cplusplus
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}
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#endif
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#endif
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