thread_pthread.c File Reference

#include "quakedef.h"
#include "thread.h"
#include <pthread.h>
#include <stdint.h>

Include dependency graph for thread_pthread.c:

Go to the source code of this file.

Data Structures
struct	barrier_t

Macros
#define	__USE_UNIX98

Functions
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)

Macro Definition Documentation

__USE_UNIX98

#define __USE_UNIX98

Definition at line 4 of file thread_pthread.c.

Function Documentation

_Thread_CondBroadcast()

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

Definition at line 101 of file thread_pthread.c.

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

References Sys_Printf().

_Thread_CondSignal()

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

Definition at line 92 of file thread_pthread.c.

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

References Sys_Printf().

_Thread_CondWait()

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

Definition at line 110 of file thread_pthread.c.

{
    pthread_cond_t *condp = (pthread_cond_t *) cond;
    pthread_mutex_t *mutexp = (pthread_mutex_t *) mutex;
#ifdef THREADDEBUG
    Sys_Printf("%p cond wait %s:%i\n"   , cond, filename, fileline);
#endif
    return pthread_cond_wait(condp, mutexp);
}

References Sys_Printf().

_Thread_CreateBarrier()

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

Definition at line 185 of file thread_pthread.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 72 of file thread_pthread.c.

{
    pthread_cond_t *condp = (pthread_cond_t *) Z_Malloc(sizeof(pthread_cond_t));
    pthread_cond_init(condp, NULL);
#ifdef THREADDEBUG
    Sys_Printf("%p cond create %s:%i\n"   , condp, filename, fileline);
#endif
    return condp;
}

References NULL, Sys_Printf(), and Z_Malloc.

_Thread_CreateMutex()

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

Definition at line 24 of file thread_pthread.c.

{
#ifdef THREADRECURSIVE
    pthread_mutexattr_t    attr;
#endif
    pthread_mutex_t *mutexp = (pthread_mutex_t *) Z_Malloc(sizeof(pthread_mutex_t));
#ifdef THREADDEBUG
    Sys_Printf("%p mutex create %s:%i\n" , mutexp, filename, fileline);
#endif
#ifdef THREADRECURSIVE
    pthread_mutexattr_init(&attr);
    pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
    pthread_mutex_init(mutexp, &attr);
    pthread_mutexattr_destroy(&attr);
#else
    pthread_mutex_init(mutexp, NULL);
#endif
    return mutexp;
}

References NULL, Sys_Printf(), and Z_Malloc.

_Thread_CreateThread()

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

Definition at line 120 of file thread_pthread.c.

{
    pthread_t *threadp = (pthread_t *) Z_Malloc(sizeof(pthread_t));
#ifdef THREADDEBUG
    Sys_Printf("%p thread create %s:%i\n"   , threadp, filename, fileline);
#endif
    int r = pthread_create(threadp, NULL, (void * (*) (void *)) fn, data);
    if(r)
    {
        Z_Free(threadp);
        return NULL;
    }
    return threadp;
}

References data, NULL, r, Sys_Printf(), Z_Free, and Z_Malloc.

_Thread_DestroyBarrier()

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

Definition at line 198 of file thread_pthread.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 82 of file thread_pthread.c.

{
    pthread_cond_t *condp = (pthread_cond_t *) cond;
#ifdef THREADDEBUG
    Sys_Printf("%p cond destroy %s:%i\n"   , cond, filename, fileline);
#endif
    pthread_cond_destroy(condp);
    Z_Free(condp);
}

References Sys_Printf(), and Z_Free.

_Thread_DestroyMutex()

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

Definition at line 44 of file thread_pthread.c.

{
    pthread_mutex_t *mutexp = (pthread_mutex_t *) mutex;
#ifdef THREADDEBUG
    Sys_Printf("%p mutex destroy %s:%i\n", mutex, filename, fileline);
#endif
    pthread_mutex_destroy(mutexp);
    Z_Free(mutexp);
}

References Sys_Printf(), and Z_Free.

_Thread_LockMutex()

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

Definition at line 54 of file thread_pthread.c.

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

References Sys_Printf().

_Thread_UnlockMutex()

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

Definition at line 63 of file thread_pthread.c.

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

References Sys_Printf().

_Thread_WaitBarrier()

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

Definition at line 208 of file thread_pthread.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 135 of file thread_pthread.c.

{
    pthread_t *threadp = (pthread_t *) thread;
    void *status = (void *) (intptr_t) retval;
#ifdef THREADDEBUG
    Sys_Printf("%p thread wait %s:%i\n"   , thread, filename, fileline);
#endif
    pthread_join(*threadp, &status);
    Z_Free(threadp);
    return (int) (intptr_t) status;
}

References Sys_Printf(), and Z_Free.

Thread_HasThreads()

qbool Thread_HasThreads

(

void

)

Definition at line 19 of file thread_pthread.c.

{
    return true;
}

Thread_Init()

int Thread_Init

(

void

)

Definition at line 10 of file thread_pthread.c.

{
    return 0;
}

Thread_Shutdown()

void Thread_Shutdown

(

void

)

Definition at line 15 of file thread_pthread.c.

{
}