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Diffstat (limited to 'xorg-server/glx/glthread.h')
| -rw-r--r-- | xorg-server/glx/glthread.h | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/xorg-server/glx/glthread.h b/xorg-server/glx/glthread.h deleted file mode 100644 index 62c9bd4f1..000000000 --- a/xorg-server/glx/glthread.h +++ /dev/null @@ -1,234 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.5.2 - * - * 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. - */ - -/* - * Thread support for gl dispatch. - * - * Initial version by John Stone (j.stone@acm.org) (johns@cs.umr.edu) - * and Christoph Poliwoda (poliwoda@volumegraphics.com) - * Revised by Keith Whitwell - * Adapted for new gl dispatcher by Brian Paul - * - * - * - * DOCUMENTATION - * - * This thread module exports the following types: - * _glthread_TSD Thread-specific data area - * _glthread_Thread Thread datatype - * _glthread_Mutex Mutual exclusion lock - * - * Macros: - * _glthread_DECLARE_STATIC_MUTEX(name) Declare a non-local mutex - * _glthread_INIT_MUTEX(name) Initialize a mutex - * _glthread_LOCK_MUTEX(name) Lock a mutex - * _glthread_UNLOCK_MUTEX(name) Unlock a mutex - * - * Functions: - * _glthread_GetID(v) Get integer thread ID - * _glthread_InitTSD() Initialize thread-specific data - * _glthread_GetTSD() Get thread-specific data - * _glthread_SetTSD() Set thread-specific data - * - */ - -/* - * If this file is accidentally included by a non-threaded build, - * it should not cause the build to fail, or otherwise cause problems. - * In general, it should only be included when needed however. - */ - -#ifndef GLTHREAD_H -#define GLTHREAD_H - -#if defined(USE_MGL_NAMESPACE) -#define _glapi_Dispatch _mglapi_Dispatch -#endif - -#if (defined(PTHREADS) || defined(WIN32_THREADS)) \ - && !defined(THREADS) -#define THREADS -#endif - -#ifdef VMS -#include <GL/vms_x_fix.h> -#endif - -/* - * POSIX threads. This should be your choice in the Unix world - * whenever possible. When building with POSIX threads, be sure - * to enable any compiler flags which will cause the MT-safe - * libc (if one exists) to be used when linking, as well as any - * header macros for MT-safe errno, etc. For Solaris, this is the -mt - * compiler flag. On Solaris with gcc, use -D_REENTRANT to enable - * proper compiling for MT-safe libc etc. - */ -#if defined(PTHREADS) -#include <pthread.h> /* POSIX threads headers */ - -typedef struct { - pthread_key_t key; - int initMagic; -} _glthread_TSD; - -typedef pthread_t _glthread_Thread; - -typedef pthread_mutex_t _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) \ - static _glthread_Mutex name = PTHREAD_MUTEX_INITIALIZER - -#define _glthread_INIT_MUTEX(name) \ - pthread_mutex_init(&(name), NULL) - -#define _glthread_DESTROY_MUTEX(name) \ - pthread_mutex_destroy(&(name)) - -#define _glthread_LOCK_MUTEX(name) \ - (void) pthread_mutex_lock(&(name)) - -#define _glthread_UNLOCK_MUTEX(name) \ - (void) pthread_mutex_unlock(&(name)) - -#endif /* PTHREADS */ - -/* - * Solaris threads. Use only up to Solaris 2.4. - * Solaris 2.5 and higher provide POSIX threads. - * Be sure to compile with -mt on the Solaris compilers, or - * use -D_REENTRANT if using gcc. - */ - -/* - * Windows threads. Should work with Windows NT and 95. - * IMPORTANT: Link with multithreaded runtime library when THREADS are - * used! - */ -#ifdef WIN32_THREADS -#include <windows.h> - -typedef struct { - DWORD key; - int initMagic; -} _glthread_TSD; - -typedef HANDLE _glthread_Thread; - -typedef CRITICAL_SECTION _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) /*static*/ _glthread_Mutex name = {0,0,0,0,0,0} -#define _glthread_INIT_MUTEX(name) InitializeCriticalSection(&name) -#define _glthread_DESTROY_MUTEX(name) DeleteCriticalSection(&name) -#define _glthread_LOCK_MUTEX(name) EnterCriticalSection(&name) -#define _glthread_UNLOCK_MUTEX(name) LeaveCriticalSection(&name) - -#endif /* WIN32_THREADS */ - -/* - * 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, 0 } -#define _glthread_INIT_MUTEX(name) name.sem = create_sem(0, #name"_benaphore"), name.lock = 0 -#define _glthread_DESTROY_MUTEX(name) delete_sem(name.sem), name.lock = 0 -#define _glthread_LOCK_MUTEX(name) if (name.sem == 0) _glthread_INIT_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 - -/* - * THREADS not defined - */ - -typedef int _glthread_TSD; - -typedef int _glthread_Thread; - -typedef int _glthread_Mutex; - -#define _glthread_DECLARE_STATIC_MUTEX(name) static _glthread_Mutex name = 0 - -#define _glthread_INIT_MUTEX(name) (void) name - -#define _glthread_DESTROY_MUTEX(name) (void) name - -#define _glthread_LOCK_MUTEX(name) (void) name - -#define _glthread_UNLOCK_MUTEX(name) (void) name - -#endif /* THREADS */ - -/* - * Platform independent thread specific data API. - */ - -extern unsigned long - _glthread_GetID(void); - -extern void - _glthread_InitTSD(_glthread_TSD *); - -extern void *_glthread_GetTSD(_glthread_TSD *); - -extern void - _glthread_SetTSD(_glthread_TSD *, void *); - -#if defined(GLX_USE_TLS) - -extern TLS struct _glapi_table *_glapi_tls_Dispatch; - -#define GET_DISPATCH() _glapi_tls_Dispatch - -#elif !defined(GL_CALL) -#if defined(THREADS) -#define GET_DISPATCH() \ - ((__builtin_expect( _glapi_Dispatch != NULL, 1 )) \ - ? _glapi_Dispatch : _glapi_get_dispatch()) -#else -#define GET_DISPATCH() _glapi_Dispatch -#endif /* defined(THREADS) */ -#endif /* ndef GL_CALL */ - -#endif /* THREADS_H */ |