SynGame/allegro/include/allegro5/platform/aintwthr.h

76 lines
1.3 KiB
C

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