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BeOS thread support (Philippe Houdoin)

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This commit is contained in:
Brian Paul 2001-11-12 23:50:12 +00:00
parent cd060fc3b4
commit 1b37d6c305
2 changed files with 75 additions and 2 deletions
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42
src/mesa/glapi/glthread.c
View file

@ -1,4 +1,4 @@
/* $Id: glthread.c,v 1.8 2001/03/12 00:48:38 gareth Exp $ */
/* $Id: glthread.c,v 1.9 2001/11/12 23:50:12 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -292,6 +292,46 @@ _glthread_SetTSD(_glthread_TSD *tsd, void *ptr)
/*
* BeOS threads
*/
#ifdef BEOS_THREADS
unsigned long
_glthread_GetID(void)
{
return (unsigned long) find_thread(NULL);
}
void
_glthread_InitTSD(_glthread_TSD *tsd)
{
tsd->key = tls_allocate();
tsd->initMagic = INIT_MAGIC;
}
void *
_glthread_GetTSD(_glthread_TSD *tsd)
{
if (tsd->initMagic != (int) INIT_MAGIC) {
_glthread_InitTSD(tsd);
}
return tls_get(tsd->key);
}
void
_glthread_SetTSD(_glthread_TSD *tsd, void *ptr)
{
if (tsd->initMagic != (int) INIT_MAGIC) {
_glthread_InitTSD(tsd);
}
tls_set(tsd->key, ptr);
}
#endif /* BEOS_THREADS */
#else /* THREADS */

35
src/mesa/glapi/glthread.h
View file

@ -1,4 +1,4 @@
/* $Id: glthread.h,v 1.8 2001/03/12 00:48:38 gareth Exp $ */
/* $Id: glthread.h,v 1.9 2001/11/12 23:50:12 brianp Exp $ */
/*
* Mesa 3-D graphics library
@ -202,6 +202,39 @@ typedef xmutex_rec _glthread_Mutex;
/*
* BeOS threads. R5.x required.
*/
#ifdef BEOS_THREADS
#include <kernel/OS.h>
#include <support/TLS.h>
typedef struct {
int32 key;
int initMagic;
} _glthread_TSD;
typedef thread_id _glthread_Thread;
/* Use Benaphore, aka speeder semaphore */
typedef struct {
int32 lock;
sem_id sem;
} benaphore;
typedef benaphore _glthread_Mutex;
#define _glthread_DECLARE_STATIC_MUTEX(name) static _glthread_Mutex name = { 0,
create_sem(0, #name"_benaphore") }
#define _glthread_INIT_MUTEX(name) name.sem = create_sem(0,
#name"_benaphore"), name.lock = 0
#define _glthread_LOCK_MUTEX(name) if((atomic_add(&(name.lock), 1)) >= 1)
acquire_sem(name.sem)
#define _glthread_UNLOCK_MUTEX(name) if((atomic_add(&(name.lock), -1)) > 1)
release_sem(name.sem)
#endif /* BEOS_THREADS */
#ifndef THREADS