diff options
Diffstat (limited to 'xorg-server/glx/glthread.h')
| -rw-r--r-- | xorg-server/glx/glthread.h | 502 |
1 files changed, 251 insertions, 251 deletions
diff --git a/xorg-server/glx/glthread.h b/xorg-server/glx/glthread.h index 532401a73..4ad5d493d 100644 --- a/xorg-server/glx/glthread.h +++ b/xorg-server/glx/glthread.h @@ -1,251 +1,251 @@ -/* - * 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 */ +/*
+ * 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 */
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