thread_sdl.c File Reference

#include <SDL.h>
#include <SDL_thread.h>
#include "quakedef.h"
#include "thread.h"

Include dependency graph for thread_sdl.c:

Go to the source code of this file.

Data Structures
struct	barrier_t

Functions
int	_Thread_AtomicAdd (Thread_Atomic *a, int v, const char *filename, int fileline)
qbool	_Thread_AtomicDecRef (Thread_Atomic *a, const char *filename, int fileline)
int	_Thread_AtomicGet (Thread_Atomic *a, const char *filename, int fileline)
void	_Thread_AtomicIncRef (Thread_Atomic *a, const char *filename, int fileline)
void	_Thread_AtomicLock (Thread_SpinLock *lock, const char *filename, int fileline)
int	_Thread_AtomicSet (Thread_Atomic *a, int v, const char *filename, int fileline)
qbool	_Thread_AtomicTryLock (Thread_SpinLock *lock, const char *filename, int fileline)
void	_Thread_AtomicUnlock (Thread_SpinLock *lock, const char *filename, int fileline)
int	_Thread_CondBroadcast (void *cond, const char *filename, int fileline)
int	_Thread_CondSignal (void *cond, const char *filename, int fileline)
int	_Thread_CondWait (void *cond, void *mutex, const char *filename, int fileline)
void *	_Thread_CreateBarrier (unsigned int count, const char *filename, int fileline)
void *	_Thread_CreateCond (const char *filename, int fileline)
void *	_Thread_CreateMutex (const char *filename, int fileline)
void *	_Thread_CreateThread (int(*fn)(void *), void *data, const char *filename, int fileline)
void	_Thread_DestroyBarrier (void *barrier, const char *filename, int fileline)
void	_Thread_DestroyCond (void *cond, const char *filename, int fileline)
void	_Thread_DestroyMutex (void *mutex, const char *filename, int fileline)
int	_Thread_LockMutex (void *mutex, const char *filename, int fileline)
int	_Thread_UnlockMutex (void *mutex, const char *filename, int fileline)
void	_Thread_WaitBarrier (void *barrier, const char *filename, int fileline)
int	_Thread_WaitThread (void *thread, int retval, const char *filename, int fileline)
qbool	Thread_HasThreads (void)
int	Thread_Init (void)
void	Thread_Shutdown (void)

Function Documentation

_Thread_AtomicAdd()

int _Thread_AtomicAdd	(	Thread_Atomic *	a,
		int	v,
		const char *	filename,
		int	fileline )

Definition at line 187 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic add %v at %s:%i\n", a, v, filename, fileline);
#endif
    return SDL_AtomicAdd((SDL_atomic_t *)a, v);
}

References a, Sys_Printf(), v, and value.

_Thread_AtomicDecRef()

qbool _Thread_AtomicDecRef	(	Thread_Atomic *	a,
		const char *	filename,
		int	fileline )

Definition at line 203 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic decref %s:%i\n", a, filename, fileline);
#endif
    return SDL_AtomicDecRef((SDL_atomic_t *)a) != SDL_FALSE;
}

References a, and Sys_Printf().

_Thread_AtomicGet()

int _Thread_AtomicGet	(	Thread_Atomic *	a,
		const char *	filename,
		int	fileline )

Definition at line 171 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic get at %s:%i\n", a, filename, fileline);
#endif
    return SDL_AtomicGet((SDL_atomic_t *)a);
}

References a, and Sys_Printf().

_Thread_AtomicIncRef()

void _Thread_AtomicIncRef	(	Thread_Atomic *	a,
		const char *	filename,
		int	fileline )

Definition at line 195 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic incref %s:%i\n", a, filename, fileline);
#endif
    SDL_AtomicIncRef((SDL_atomic_t *)a);
}

References a, and Sys_Printf().

_Thread_AtomicLock()

void _Thread_AtomicLock	(	Thread_SpinLock *	lock,
		const char *	filename,
		int	fileline )

Definition at line 219 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic lock %s:%i\n", lock, filename, fileline);
#endif
    SDL_AtomicLock(lock);
}

References Sys_Printf().

_Thread_AtomicSet()

int _Thread_AtomicSet	(	Thread_Atomic *	a,
		int	v,
		const char *	filename,
		int	fileline )

Definition at line 179 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic set %v at %s:%i\n", a, v, filename, fileline);
#endif
    return SDL_AtomicSet((SDL_atomic_t *)a, v);
}

References a, Sys_Printf(), v, and value.

_Thread_AtomicTryLock()

qbool _Thread_AtomicTryLock	(	Thread_SpinLock *	lock,
		const char *	filename,
		int	fileline )

Definition at line 211 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic try lock %s:%i\n", lock, filename, fileline);
#endif
    return SDL_AtomicTryLock(lock) != SDL_FALSE;
}

References Sys_Printf().

_Thread_AtomicUnlock()

void _Thread_AtomicUnlock	(	Thread_SpinLock *	lock,
		const char *	filename,
		int	fileline )

Definition at line 227 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p atomic unlock %s:%i\n", lock, filename, fileline);
#endif
    SDL_AtomicUnlock(lock);
}

References Sys_Printf().

_Thread_CondBroadcast()

int _Thread_CondBroadcast	(	void *	cond,
		const char *	filename,
		int	fileline )

Definition at line 85 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p cond broadcast %s:%i\n"   , cond, filename, fileline);
#endif
    return SDL_CondBroadcast((SDL_cond *)cond);
}

References Sys_Printf().

_Thread_CondSignal()

int _Thread_CondSignal	(	void *	cond,
		const char *	filename,
		int	fileline )

Definition at line 77 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p cond signal %s:%i\n"   , cond, filename, fileline);
#endif
    return SDL_CondSignal((SDL_cond *)cond);
}

References Sys_Printf().

_Thread_CondWait()

int _Thread_CondWait	(	void *	cond,
		void *	mutex,
		const char *	filename,
		int	fileline )

Definition at line 93 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p cond wait %s:%i\n"   , cond, filename, fileline);
#endif
    return SDL_CondWait((SDL_cond *)cond, (SDL_mutex *)mutex);
}

References Sys_Printf().

_Thread_CreateBarrier()

void * _Thread_CreateBarrier	(	unsigned int	count,
		const char *	filename,
		int	fileline )

Definition at line 129 of file thread_sdl.c.

{
    volatile barrier_t *b = (volatile barrier_t *) Z_Malloc(sizeof(barrier_t));
#ifdef THREADDEBUG
    Sys_Printf("%p barrier create(%d) %s:%i\n", b, count, filename, fileline);
#endif
    b->needed = count;
    b->called = 0;
    b->mutex = Thread_CreateMutex();
    b->cond = Thread_CreateCond();
    return (void *) b;
}

References b, count, Sys_Printf(), Thread_CreateCond, Thread_CreateMutex, and Z_Malloc.

_Thread_CreateCond()

void * _Thread_CreateCond	(	const char *	filename,
		int	fileline )

Definition at line 60 of file thread_sdl.c.

{
    void *cond = (void *)SDL_CreateCond();
#ifdef THREADDEBUG
    Sys_Printf("%p cond create %s:%i\n"   , cond, filename, fileline);
#endif
    return cond;
}

References Sys_Printf().

_Thread_CreateMutex()

void * _Thread_CreateMutex	(	const char *	filename,
		int	fileline )

Definition at line 27 of file thread_sdl.c.

{
    void *mutex = SDL_CreateMutex();
#ifdef THREADDEBUG
    Sys_Printf("%p mutex create %s:%i\n" , mutex, filename, fileline);
#endif
    return mutex;
}

References Sys_Printf().

_Thread_CreateThread()

void * _Thread_CreateThread	(	int(*	fn )(void *),
		void *	data,
		const char *	filename,
		int	fileline )

Definition at line 101 of file thread_sdl.c.

{
    void *thread = (void *)SDL_CreateThread(fn, filename, data);
#ifdef THREADDEBUG
    Sys_Printf("%p thread create %s:%i\n"   , thread, filename, fileline);
#endif
    return thread;
}

References data, and Sys_Printf().

_Thread_DestroyBarrier()

void _Thread_DestroyBarrier	(	void *	barrier,
		const char *	filename,
		int	fileline )

Definition at line 142 of file thread_sdl.c.

{
    volatile barrier_t *b = (volatile barrier_t *) barrier;
#ifdef THREADDEBUG
    Sys_Printf("%p barrier destroy %s:%i\n", b, filename, fileline);
#endif
    Thread_DestroyMutex(b->mutex);
    Thread_DestroyCond(b->cond);
}

References b, Sys_Printf(), Thread_DestroyCond, and Thread_DestroyMutex.

_Thread_DestroyCond()

void _Thread_DestroyCond	(	void *	cond,
		const char *	filename,
		int	fileline )

Definition at line 69 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p cond destroy %s:%i\n"   , cond, filename, fileline);
#endif
    SDL_DestroyCond((SDL_cond *)cond);
}

References Sys_Printf().

_Thread_DestroyMutex()

void _Thread_DestroyMutex	(	void *	mutex,
		const char *	filename,
		int	fileline )

Definition at line 36 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p mutex destroy %s:%i\n", mutex, filename, fileline);
#endif
    SDL_DestroyMutex((SDL_mutex *)mutex);
}

References Sys_Printf().

_Thread_LockMutex()

int _Thread_LockMutex	(	void *	mutex,
		const char *	filename,
		int	fileline )

Definition at line 44 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p mutex lock %s:%i\n"   , mutex, filename, fileline);
#endif
    return SDL_LockMutex((SDL_mutex *)mutex);
}

References Sys_Printf().

_Thread_UnlockMutex()

int _Thread_UnlockMutex	(	void *	mutex,
		const char *	filename,
		int	fileline )

Definition at line 52 of file thread_sdl.c.

{
#ifdef THREADDEBUG
    Sys_Printf("%p mutex unlock %s:%i\n" , mutex, filename, fileline);
#endif
    return SDL_UnlockMutex((SDL_mutex *)mutex);
}

References Sys_Printf().

_Thread_WaitBarrier()

void _Thread_WaitBarrier	(	void *	barrier,
		const char *	filename,
		int	fileline )

Definition at line 152 of file thread_sdl.c.

{
    volatile barrier_t *b = (volatile barrier_t *) barrier;
#ifdef THREADDEBUG
    Sys_Printf("%p barrier wait %s:%i\n", b, filename, fileline);
#endif
    Thread_LockMutex(b->mutex);
    b->called++;
    if (b->called == b->needed) {
        b->called = 0;
        Thread_CondBroadcast(b->cond);
    } else {
        do {
            Thread_CondWait(b->cond, b->mutex);
        } while(b->called);
    }
    Thread_UnlockMutex(b->mutex);
}

References b, Sys_Printf(), Thread_CondBroadcast, Thread_CondWait, Thread_LockMutex, and Thread_UnlockMutex.

_Thread_WaitThread()

int _Thread_WaitThread	(	void *	thread,
		int	retval,
		const char *	filename,
		int	fileline )

Definition at line 110 of file thread_sdl.c.

{
    int status = retval;
#ifdef THREADDEBUG
    Sys_Printf("%p thread wait %s:%i\n"   , thread, filename, fileline);
#endif
    SDL_WaitThread((SDL_Thread *)thread, &status);
    return status;
}

References Sys_Printf().

Thread_HasThreads()

qbool Thread_HasThreads

(

void

)

Definition at line 18 of file thread_sdl.c.

{
#ifdef THREADDISABLE
    return false;
#else
    return true;
#endif
}

Thread_Init()

int Thread_Init

(

void

)

Definition at line 6 of file thread_sdl.c.

{
#ifdef THREADDISABLE
    Con_Printf("Threading disabled in this build\n");
#endif
    return 0;
}

References Con_Printf().

Thread_Shutdown()

void Thread_Shutdown

(

void

)

Definition at line 14 of file thread_sdl.c.

{
}