93 lines
1.6 KiB
C
93 lines
1.6 KiB
C
/*
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* Mr. 4th Dimention - Allen Webster
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*
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* 18.07.2017
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*
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* Win32 threading wrapper
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*
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*/
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// TOP
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#if !defined(WIN32_THREADING_WRAPPER)
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#define WIN32_THREADING_WRAPPER
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#define PLAT_THREAD_SIG(n) DWORD CALL_CONVENTION n(LPVOID ptr)
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typedef PLAT_THREAD_SIG(Thread_Function);
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union Thread{
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HANDLE t;
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FixSize(THREAD_TYPE_SIZE);
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};
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union Mutex{
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CRITICAL_SECTION crit;
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FixSize(MUTEX_TYPE_SIZE);
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};
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union Condition_Variable{
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CONDITION_VARIABLE cv;
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FixSize(CONDITION_VARIABLE_TYPE_SIZE);
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};
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union Semaphore{
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HANDLE s;
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FixSize(SEMAPHORE_TYPE_SIZE);
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};
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internal void
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system_init_and_launch_thread(Thread *t, Thread_Function *proc, void *ptr){
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t->t = CreateThread(0, 0, proc, ptr, 0, 0);
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}
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internal void
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system_init_lock(Mutex *m){
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InitializeCriticalSection(&m->crit);
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}
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internal void
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system_acquire_lock(Mutex *m){
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EnterCriticalSection(&m->crit);
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}
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internal void
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system_release_lock(Mutex *m){
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LeaveCriticalSection(&m->crit);
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}
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internal void
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system_init_cv(Condition_Variable *cv){
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InitializeConditionVariable(&cv->cv);
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}
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internal void
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system_wait_cv(Condition_Variable *cv, Mutex *lock){
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SleepConditionVariableCS(&cv->cv, &lock->crit, INFINITE);
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}
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internal void
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system_signal_cv(Condition_Variable *cv, Mutex *lock){
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WakeConditionVariable(&cv->cv);
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}
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internal void
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system_init_semaphore(Semaphore *s, u32 max){
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s->s = CreateSemaphore(0, 0, max, 0);
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}
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internal void
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system_wait_on_semaphore(Semaphore *s){
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WaitForSingleObject(s->s, INFINITE);
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}
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internal void
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system_release_semaphore(Semaphore *s){
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ReleaseSemaphore(s->s, 1, 0);
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}
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#endif
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// BOTTOM
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