diff options
Diffstat (limited to 'src/mapi/glapi/glthread.c')
| -rw-r--r-- | src/mapi/glapi/glthread.c | 262 |
1 files changed, 3 insertions, 259 deletions
diff --git a/src/mapi/glapi/glthread.c b/src/mapi/glapi/glthread.c index f365d17bdda..9dbc0e9a56f 100644 --- a/src/mapi/glapi/glthread.c +++ b/src/mapi/glapi/glthread.c @@ -1,263 +1,7 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.1 - * - * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. - * - * Permission is hereby granted, free of charge, to any person obtaining a - * copy of this software and associated documentation files (the "Software"), - * to deal in the Software without restriction, including without limitation - * the rights to use, copy, modify, merge, publish, distribute, sublicense, - * and/or sell copies of the Software, and to permit persons to whom the - * Software is furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included - * in all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS - * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL - * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN - * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN - * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. - */ +#include "glthread.h" - -/* - * XXX There's probably some work to do in order to make this file - * truly reusable outside of Mesa. First, the glheader.h include must go. - */ - -#ifdef HAVE_DIX_CONFIG_H -#include <dix-config.h> -#include "glapi/mesa.h" -#else -#include "main/compiler.h" -#endif - -#include "glapi/glthread.h" - - -/* - * This file should still compile even when THREADS is not defined. - * This is to make things easier to deal with on the makefile scene.. - */ -#ifdef THREADS -#include <errno.h> - -/* - * Error messages - */ -#define INIT_TSD_ERROR "_glthread_: failed to allocate key for thread specific data" -#define GET_TSD_ERROR "_glthread_: failed to get thread specific data" -#define SET_TSD_ERROR "_glthread_: thread failed to set thread specific data" - - -/* - * Magic number to determine if a TSD object has been initialized. - * Kind of a hack but there doesn't appear to be a better cross-platform - * solution. - */ -#define INIT_MAGIC 0xff8adc98 - - - -/* - * POSIX Threads -- The best way to go if your platform supports them. - * Solaris >= 2.5 have POSIX threads, IRIX >= 6.4 reportedly - * has them, and many of the free Unixes now have them. - * Be sure to use appropriate -mt or -D_REENTRANT type - * compile flags when building. - */ -#ifdef PTHREADS - -PUBLIC unsigned long -_glthread_GetID(void) -{ - return (unsigned long) pthread_self(); -} - - -void -_glthread_InitTSD(_glthread_TSD *tsd) -{ - if (pthread_key_create(&tsd->key, NULL/*free*/) != 0) { - perror(INIT_TSD_ERROR); - exit(-1); - } - tsd->initMagic = INIT_MAGIC; -} - - -void * -_glthread_GetTSD(_glthread_TSD *tsd) -{ - if (tsd->initMagic != (int) INIT_MAGIC) { - _glthread_InitTSD(tsd); - } - return pthread_getspecific(tsd->key); -} - - -void -_glthread_SetTSD(_glthread_TSD *tsd, void *ptr) -{ - if (tsd->initMagic != (int) INIT_MAGIC) { - _glthread_InitTSD(tsd); - } - if (pthread_setspecific(tsd->key, ptr) != 0) { - perror(SET_TSD_ERROR); - exit(-1); - } -} - -#endif /* PTHREADS */ - - - -/* - * Win32 Threads. The only available option for Windows 95/NT. - * Be sure that you compile using the Multithreaded runtime, otherwise - * bad things will happen. - */ -#ifdef WIN32_THREADS - -static void InsteadOf_exit(int nCode) -{ - DWORD dwErr = GetLastError(); -} - -PUBLIC unsigned long -_glthread_GetID(void) -{ - return GetCurrentThreadId(); -} - - -void -_glthread_InitTSD(_glthread_TSD *tsd) -{ - tsd->key = TlsAlloc(); - if (tsd->key == TLS_OUT_OF_INDEXES) { - perror(INIT_TSD_ERROR); - InsteadOf_exit(-1); - } - tsd->initMagic = INIT_MAGIC; -} - - -void -_glthread_DestroyTSD(_glthread_TSD *tsd) -{ - if (tsd->initMagic != INIT_MAGIC) { - return; - } - TlsFree(tsd->key); - tsd->initMagic = 0x0; -} - - -void * -_glthread_GetTSD(_glthread_TSD *tsd) -{ - if (tsd->initMagic != INIT_MAGIC) { - _glthread_InitTSD(tsd); - } - return TlsGetValue(tsd->key); -} - - -void -_glthread_SetTSD(_glthread_TSD *tsd, void *ptr) -{ - /* the following code assumes that the _glthread_TSD has been initialized - to zero at creation */ - if (tsd->initMagic != INIT_MAGIC) { - _glthread_InitTSD(tsd); - } - if (TlsSetValue(tsd->key, ptr) == 0) { - perror(SET_TSD_ERROR); - InsteadOf_exit(-1); - } -} - -#endif /* WIN32_THREADS */ - -/* - * BeOS threads - */ -#ifdef BEOS_THREADS - -PUBLIC unsigned long +unsigned long _glthread_GetID(void) { - return (unsigned long) find_thread(NULL); + return u_thread_self(); } - -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 */ - - -/* - * no-op functions - */ - -PUBLIC unsigned long -_glthread_GetID(void) -{ - return 0; -} - - -void -_glthread_InitTSD(_glthread_TSD *tsd) -{ - (void) tsd; -} - - -void * -_glthread_GetTSD(_glthread_TSD *tsd) -{ - (void) tsd; - return NULL; -} - - -void -_glthread_SetTSD(_glthread_TSD *tsd, void *ptr) -{ - (void) tsd; - (void) ptr; -} - - -#endif /* THREADS */ |