+++ /dev/null
-/*
- * $XConsortium: Xthreads.h /main/35 1996/12/04 10:23:02 lehors $
- * $XFree86: xc/include/Xthreads.h,v 3.3 1996/12/23 05:58:11 dawes Exp $
- *
- *
-Copyright (c) 1993 X Consortium
-
-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 THE
-X CONSORTIUM 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.
-
-Except as contained in this notice, the name of the X Consortium shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from the X Consortium.
- * *
- */
-
-#ifndef _XTHREADS_H_
-#define _XTHREADS_H_
-
-/* Redefine these to XtMalloc/XtFree or whatever you want before including
- * this header file.
- */
-#ifndef xmalloc
-#define xmalloc malloc
-#endif
-#ifndef xfree
-#define xfree free
-#endif
-
-#ifdef CTHREADS
-#include <cthreads.h>
-typedef cthread_t xthread_t;
-typedef struct condition xcondition_rec;
-typedef struct mutex xmutex_rec;
-#define xthread_init() cthread_init()
-#define xthread_self cthread_self
-#define xthread_fork(func,closure) cthread_fork(func,closure)
-#define xthread_yield() cthread_yield()
-#define xthread_exit(v) cthread_exit(v)
-#define xthread_set_name(t,str) cthread_set_name(t,str)
-#define xmutex_init(m) mutex_init(m)
-#define xmutex_clear(m) mutex_clear(m)
-#define xmutex_lock(m) mutex_lock(m)
-#define xmutex_unlock(m) mutex_unlock(m)
-#define xmutex_set_name(m,str) mutex_set_name(m,str)
-#define xcondition_init(cv) condition_init(cv)
-#define xcondition_clear(cv) condition_clear(cv)
-#define xcondition_wait(cv,m) condition_wait(cv,m)
-#define xcondition_signal(cv) condition_signal(cv)
-#define xcondition_broadcast(cv) condition_broadcast(cv)
-#define xcondition_set_name(cv,str) condition_set_name(cv,str)
-#else /* !CTHREADS */
-#if defined(SVR4) && !defined(__sgi)
-#include <thread.h>
-#include <synch.h>
-#ifndef LINE_MAX
-#define LINE_MAX 2048
-#endif
-typedef thread_t xthread_t;
-typedef thread_key_t xthread_key_t;
-typedef cond_t xcondition_rec;
-typedef mutex_t xmutex_rec;
-#define xthread_self thr_self
-#define xthread_fork(func,closure) thr_create(NULL,0,func,closure,THR_NEW_LWP|THR_DETACHED,NULL)
-#define xthread_yield() thr_yield()
-#define xthread_exit(v) thr_exit(v)
-#define xthread_key_create(kp,d) thr_keycreate(kp,d)
-#ifdef sun
-#define xthread_key_delete(k) 0
-#else
-#define xthread_key_delete(k) thr_keydelete(k)
-#endif
-#define xthread_set_specific(k,v) thr_setspecific(k,v)
-#define xthread_get_specific(k,vp) thr_getspecific(k,vp)
-#define XMUTEX_INITIALIZER {0}
-#define xmutex_init(m) mutex_init(m,USYNC_THREAD,0)
-#define xmutex_clear(m) mutex_destroy(m)
-#define xmutex_lock(m) mutex_lock(m)
-#define xmutex_unlock(m) mutex_unlock(m)
-#define xcondition_init(cv) cond_init(cv,USYNC_THREAD,0)
-#define xcondition_clear(cv) cond_destroy(cv)
-#define xcondition_wait(cv,m) cond_wait(cv,m)
-#define xcondition_signal(cv) cond_signal(cv)
-#define xcondition_broadcast(cv) cond_broadcast(cv)
-#else /* !SVR4 */
-#ifdef WIN32
-#define BOOL wBOOL
-#ifdef Status
-#undef Status
-#define Status wStatus
-#endif
-#include <windows.h>
-#ifdef Status
-#undef Status
-#define Status int
-#endif
-#undef BOOL
-typedef DWORD xthread_t;
-typedef DWORD xthread_key_t;
-struct _xthread_waiter {
- HANDLE sem;
- struct _xthread_waiter *next;
-};
-typedef struct {
- CRITICAL_SECTION cs;
- struct _xthread_waiter *waiters;
-} xcondition_rec;
-typedef CRITICAL_SECTION xmutex_rec;
-#define xthread_init() _Xthread_init()
-#define xthread_self GetCurrentThreadId
-#define xthread_fork(func,closure) { \
- DWORD _tmptid; \
- CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)func, (LPVOID)closure, 0, \
- &_tmptid); \
-}
-#define xthread_yield() Sleep(0)
-#define xthread_exit(v) ExitThread((DWORD)(v))
-#define xthread_key_create(kp,d) *(kp) = TlsAlloc()
-#define xthread_key_delete(k) TlsFree(k)
-#define xthread_set_specific(k,v) TlsSetValue(k,v)
-#define xthread_get_specific(k,vp) TlsGetValue(k)
-#define xmutex_init(m) InitializeCriticalSection(m)
-#define xmutex_clear(m) DeleteCriticalSection(m)
-#define _XMUTEX_NESTS
-#define xmutex_lock(m) EnterCriticalSection(m)
-#define xmutex_unlock(m) LeaveCriticalSection(m)
-#define xcondition_init(cv) { \
- InitializeCriticalSection(&(cv)->cs); \
- (cv)->waiters = NULL; \
-}
-#define xcondition_clear(cv) DeleteCriticalSection(&(cv)->cs)
-extern struct _xthread_waiter *_Xthread_waiter();
-#define xcondition_wait(cv,m) { \
- struct _xthread_waiter *_tmpthr = _Xthread_waiter(); \
- EnterCriticalSection(&(cv)->cs); \
- _tmpthr->next = (cv)->waiters; \
- (cv)->waiters = _tmpthr; \
- LeaveCriticalSection(&(cv)->cs); \
- LeaveCriticalSection(m); \
- WaitForSingleObject(_tmpthr->sem, INFINITE); \
- EnterCriticalSection(m); \
-}
-#define xcondition_signal(cv) { \
- EnterCriticalSection(&(cv)->cs); \
- if ((cv)->waiters) { \
- ReleaseSemaphore((cv)->waiters->sem, 1, NULL); \
- (cv)->waiters = (cv)->waiters->next; \
- } \
- LeaveCriticalSection(&(cv)->cs); \
-}
-#define xcondition_broadcast(cv) { \
- struct _xthread_waiter *_tmpthr; \
- EnterCriticalSection(&(cv)->cs); \
- for (_tmpthr = (cv)->waiters; _tmpthr; _tmpthr = _tmpthr->next) \
- ReleaseSemaphore(_tmpthr->sem, 1, NULL); \
- (cv)->waiters = NULL; \
- LeaveCriticalSection(&(cv)->cs); \
-}
-#else /* !WIN32 */
-#ifdef USE_TIS_SUPPORT
-/*
- * TIS support is intended for thread safe libraries.
- * This should not be used for general client programming.
- */
-#include <tis.h>
-typedef pthread_t xthread_t;
-typedef pthread_key_t xthread_key_t;
-typedef pthread_cond_t xcondition_rec;
-typedef pthread_mutex_t xmutex_rec;
-#define xthread_self tis_self
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
- pthread_create(&_tmpxthr,NULL,func,closure); }
-#define xthread_yield() pthread_yield_np()
-#define xthread_exit(v) pthread_exit(v)
-#define xthread_key_create(kp,d) tis_key_create(kp,d)
-#define xthread_key_delete(k) tis_key_delete(k)
-#define xthread_set_specific(k,v) tis_setspecific(k,v)
-#define xthread_get_specific(k,vp) *(vp) = tis_getspecific(k)
-#define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
-#define xmutex_init(m) tis_mutex_init(m)
-#define xmutex_clear(m) tis_mutex_destroy(m)
-#define xmutex_lock(m) tis_mutex_lock(m)
-#define xmutex_unlock(m) tis_mutex_unlock(m)
-#define xcondition_init(c) tis_cond_init(c)
-#define xcondition_clear(c) tis_cond_destroy(c)
-#define xcondition_wait(c,m) tis_cond_wait(c,m)
-#define xcondition_signal(c) tis_cond_signal(c)
-#define xcondition_broadcast(c) tis_cond_broadcast(c)
-#else
-#include <pthread.h>
-#ifndef LINE_MAX
-#define LINE_MAX 2048
-#endif
-typedef pthread_t xthread_t;
-typedef pthread_key_t xthread_key_t;
-typedef pthread_cond_t xcondition_rec;
-typedef pthread_mutex_t xmutex_rec;
-#define xthread_self pthread_self
-#define xthread_yield() pthread_yield()
-#define xthread_exit(v) pthread_exit(v)
-#define xthread_set_specific(k,v) pthread_setspecific(k,v)
-#define xmutex_clear(m) pthread_mutex_destroy(m)
-#define xmutex_lock(m) pthread_mutex_lock(m)
-#define xmutex_unlock(m) pthread_mutex_unlock(m)
-#ifndef XPRE_STANDARD_API
-#define xthread_key_create(kp,d) pthread_key_create(kp,d)
-#define xthread_key_delete(k) pthread_key_delete(k)
-#define xthread_get_specific(k,vp) *(vp) = pthread_getspecific(k)
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
- pthread_create(&_tmpxthr,NULL,func,closure); }
-#define XMUTEX_INITIALIZER PTHREAD_MUTEX_INITIALIZER
-#define xmutex_init(m) pthread_mutex_init(m, NULL)
-#define xcondition_init(c) pthread_cond_init(c, NULL)
-#else /* XPRE_STANDARD_API */
-#define xthread_key_create(kp,d) pthread_keycreate(kp,d)
-#define xthread_key_delete(k) 0
-#define xthread_get_specific(k,vp) pthread_getspecific(k,vp)
-#define xthread_fork(func,closure) { pthread_t _tmpxthr; \
- pthread_create(&_tmpxthr,pthread_attr_default,func,closure); }
-#define xmutex_init(m) pthread_mutex_init(m, pthread_mutexattr_default)
-#define xcondition_init(c) pthread_cond_init(c, pthread_condattr_default)
-#endif /* XPRE_STANDARD_API */
-#define xcondition_clear(c) pthread_cond_destroy(c)
-#define xcondition_wait(c,m) pthread_cond_wait(c,m)
-#define xcondition_signal(c) pthread_cond_signal(c)
-#define xcondition_broadcast(c) pthread_cond_broadcast(c)
-#if defined(_DECTHREADS_) || defined(linux)
-static xthread_t _X_no_thread_id;
-#define xthread_have_id(id) !pthread_equal(id, _X_no_thread_id)
-#define xthread_clear_id(id) id = _X_no_thread_id
-#define xthread_equal(id1,id2) pthread_equal(id1, id2)
-#endif /* _DECTHREADS_ || linux */
-#if _CMA_VENDOR_ == _CMA__IBM
-#ifdef DEBUG /* too much of a hack to enable normally */
-/* see also cma__obj_set_name() */
-#define xmutex_set_name(m,str) ((char**)(m)->field1)[5] = (str)
-#define xcondition_set_name(cv,str) ((char**)(cv)->field1)[5] = (str)
-#endif /* DEBUG */
-#endif /* _CMA_VENDOR_ == _CMA__IBM */
-#endif /* USE_TIS_SUPPORT */
-#endif /* WIN32 */
-#endif /* SVR4 */
-#endif /* CTHREADS */
-typedef xcondition_rec *xcondition_t;
-typedef xmutex_rec *xmutex_t;
-#ifndef xcondition_malloc
-#define xcondition_malloc() (xcondition_t)xmalloc(sizeof(xcondition_rec))
-#endif
-#ifndef xcondition_free
-#define xcondition_free(c) xfree((char *)c)
-#endif
-#ifndef xmutex_malloc
-#define xmutex_malloc() (xmutex_t)xmalloc(sizeof(xmutex_rec))
-#endif
-#ifndef xmutex_free
-#define xmutex_free(m) xfree((char *)m)
-#endif
-#ifndef xthread_have_id
-#define xthread_have_id(id) id
-#endif
-#ifndef xthread_clear_id
-#define xthread_clear_id(id) id = 0
-#endif
-#ifndef xthread_equal
-#define xthread_equal(id1,id2) ((id1) == (id2))
-#endif
-/* aids understood by some debuggers */
-#ifndef xthread_set_name
-#define xthread_set_name(t,str)
-#endif
-#ifndef xmutex_set_name
-#define xmutex_set_name(m,str)
-#endif
-#ifndef xcondition_set_name
-#define xcondition_set_name(cv,str)
-#endif
-
-#endif /* _XTHREADS_H_ */
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