From dafebc5bb70303f0b5baf0b087cf4d9a64b5c7f0 Mon Sep 17 00:00:00 2001 From: marha Date: Mon, 12 Sep 2011 11:27:51 +0200 Subject: Synchronised line endinge with release branch --- libXt/src/Threads.c | 842 ++++++++++++++++++++++++++-------------------------- 1 file changed, 421 insertions(+), 421 deletions(-) (limited to 'libXt/src/Threads.c') diff --git a/libXt/src/Threads.c b/libXt/src/Threads.c index c74c39f08..7ae9e18f4 100644 --- a/libXt/src/Threads.c +++ b/libXt/src/Threads.c @@ -1,421 +1,421 @@ -/************************************************************ -Copyright (c) 1993, Oracle and/or its affiliates. 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 (including the next -paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. - -********************************************************/ - -/* - -Copyright 1994, 1998 The Open Group - -Permission to use, copy, modify, distribute, and sell this software and its -documentation for any purpose is hereby granted without fee, provided that -the above copyright notice appear in all copies and that both that -copyright notice and this permission notice appear in supporting -documentation. - -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 -OPEN GROUP 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 Open Group 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 Open Group. - -*/ - -#ifdef HAVE_CONFIG_H -#include -#endif -#include "IntrinsicI.h" - -#ifdef XTHREADS - -#define xmalloc __XtMalloc -#define xfree XtFree -#include - -#ifndef NDEBUG -#define NDEBUG -#endif -#include -#include - -typedef struct _ThreadStack { - unsigned int size; - int sp; - struct _Tstack { - xthread_t t; - xcondition_t c; - } *st; -} ThreadStack; - -typedef struct _LockRec { - xmutex_t mutex; - int level; - ThreadStack stack; -#ifndef _XMUTEX_NESTS - xthread_t holder; - xcondition_t cond; -#endif -} LockRec; - - -#define STACK_INCR 16 - -static LockPtr process_lock = NULL; - -static void -InitProcessLock(void) -{ - if(!process_lock) { - process_lock = XtNew(LockRec); - process_lock->mutex = xmutex_malloc(); - xmutex_init(process_lock->mutex); - process_lock->level = 0; -#ifndef _XMUTEX_NESTS - process_lock->cond = xcondition_malloc(); - xcondition_init(process_lock->cond); - xthread_clear_id(process_lock->holder); -#endif - } -} - -static void -ProcessLock(void) -{ -#ifdef _XMUTEX_NESTS - xmutex_lock(process_lock->mutex); - process_lock->level++; -#else - xthread_t this_thread = xthread_self(); - - xmutex_lock(process_lock->mutex); - - if (!xthread_have_id(process_lock->holder)) { - process_lock->holder = this_thread; - xmutex_unlock(process_lock->mutex); - return; - } - - if (xthread_equal(process_lock->holder,this_thread)) { - process_lock->level++; - xmutex_unlock(process_lock->mutex); - return; - } - - while(xthread_have_id(process_lock->holder)) - xcondition_wait(process_lock->cond, process_lock->mutex); - - process_lock->holder = this_thread; - assert(xthread_equal(process_lock->holder, this_thread)); - xmutex_unlock(process_lock->mutex); -#endif -} - -static void -ProcessUnlock(void) -{ -#ifdef _XMUTEX_NESTS - process_lock->level--; - xmutex_unlock(process_lock->mutex); -#else - xmutex_lock(process_lock->mutex); - assert(xthread_equal(process_lock->holder, xthread_self())); - if (process_lock->level != 0) { - process_lock->level--; - xmutex_unlock(process_lock->mutex); - return; - } - - xthread_clear_id(process_lock->holder); - xcondition_signal(process_lock->cond); - - xmutex_unlock(process_lock->mutex); -#endif -} - - -static void -AppLock(XtAppContext app) -{ - LockPtr app_lock = app->lock_info; -#ifdef _XMUTEX_NESTS - xmutex_lock(app_lock->mutex); - app_lock->level++; -#else - xthread_t self = xthread_self(); - xmutex_lock(app_lock->mutex); - if (!xthread_have_id(app_lock->holder)) { - app_lock->holder = self; - assert(xthread_equal(app_lock->holder, self)); - xmutex_unlock(app_lock->mutex); - return; - } - if (xthread_equal(app_lock->holder, self)) { - app_lock->level++; - xmutex_unlock(app_lock->mutex); - return; - } - while(xthread_have_id(app_lock->holder)) { - xcondition_wait(app_lock->cond, app_lock->mutex); - } - app_lock->holder = self; - assert(xthread_equal(app_lock->holder, self)); - xmutex_unlock(app_lock->mutex); -#endif -} - -static void -AppUnlock(XtAppContext app) -{ - LockPtr app_lock = app->lock_info; -#ifdef _XMUTEX_NESTS - app_lock->level--; - xmutex_unlock(app_lock->mutex); -#else - xthread_t self; - - self = xthread_self(); - xmutex_lock(app_lock->mutex); - assert(xthread_equal(app_lock->holder, self)); - if (app_lock->level != 0) { - app_lock->level--; - xmutex_unlock(app_lock->mutex); - return; - } - xthread_clear_id(app_lock->holder); - xcondition_signal(app_lock->cond); - xmutex_unlock(app_lock->mutex); -#endif -} - -static void -YieldAppLock( - XtAppContext app, - Boolean* push_thread, - Boolean* pushed_thread, - int* level) -{ - LockPtr app_lock = app->lock_info; - xthread_t self = xthread_self(); -#ifndef _XMUTEX_NESTS - xmutex_lock(app_lock->mutex); - assert(xthread_equal(app_lock->holder, self)); -#endif - *level = app_lock->level; - if (*push_thread) { - *push_thread = FALSE; - *pushed_thread = TRUE; - - if(app_lock->stack.sp == (int)app_lock->stack.size - 1) { - unsigned ii; - app_lock->stack.st = (struct _Tstack *) - XtRealloc ((char *)app_lock->stack.st, - (app_lock->stack.size + STACK_INCR) * sizeof (struct _Tstack)); - ii = app_lock->stack.size; - app_lock->stack.size += STACK_INCR; - for ( ; ii < app_lock->stack.size; ii++) { - app_lock->stack.st[ii].c = xcondition_malloc(); - xcondition_init(app_lock->stack.st[ii].c); - } - } - app_lock->stack.st[++(app_lock->stack.sp)].t = self; - } -#ifdef _XMUTEX_NESTS - while (app_lock->level > 0) { - app_lock->level--; - xmutex_unlock(app_lock->mutex); - } -#else - xcondition_signal(app_lock->cond); - app_lock->level = 0; - xthread_clear_id(app_lock->holder); - xmutex_unlock(app_lock->mutex); -#endif -} - -static void -RestoreAppLock( - XtAppContext app, - int level, - Boolean* pushed_thread) -{ - LockPtr app_lock = app->lock_info; - xthread_t self = xthread_self(); - xmutex_lock(app_lock->mutex); -#ifdef _XMUTEX_NESTS - app_lock->level++; -#else - while(xthread_have_id(app_lock->holder)) { - xcondition_wait(app_lock->cond, app_lock->mutex); - } -#endif - if (!xthread_equal(app_lock->stack.st[app_lock->stack.sp].t, self)) { - int ii; - for (ii = app_lock->stack.sp - 1; ii >= 0; ii--) { - if (xthread_equal(app_lock->stack.st[ii].t, self)) { - xcondition_wait(app_lock->stack.st[ii].c, app_lock->mutex); - break; - } - } -#ifndef _XMUTEX_NESTS - while(xthread_have_id(app_lock->holder)) { - xcondition_wait(app_lock->cond, app_lock->mutex); - } -#endif - } -#ifdef _XMUTEX_NESTS - while (app_lock->level < level) { - xmutex_lock(app_lock->mutex); - app_lock->level++; - } -#else - app_lock->holder = self; - app_lock->level = level; - assert(xthread_equal(app_lock->holder, self)); -#endif - if (*pushed_thread) { - *pushed_thread = FALSE; - (app_lock->stack.sp)--; - if (app_lock->stack.sp >= 0) { - xcondition_signal (app_lock->stack.st[app_lock->stack.sp].c); - } - } -#ifndef _XMUTEX_NESTS - xmutex_unlock(app_lock->mutex); -#endif -} - -static void -FreeAppLock(XtAppContext app) -{ - unsigned ii; - LockPtr app_lock = app->lock_info; - - if(app_lock) { - xmutex_clear(app_lock->mutex); - xmutex_free(app_lock->mutex); -#ifndef _XMUTEX_NESTS - xcondition_clear(app_lock->cond); - xcondition_free(app_lock->cond); -#endif - if(app_lock->stack.st != (struct _Tstack *)NULL) { - for (ii = 0; ii < app_lock->stack.size; ii++) { - xcondition_clear(app_lock->stack.st[ii].c); - xcondition_free(app_lock->stack.st[ii].c); - } - XtFree((char *)app_lock->stack.st); - } - XtFree((char *)app_lock); - app->lock_info = NULL; - } -} - -static void -InitAppLock(XtAppContext app) -{ - int ii; - LockPtr app_lock; - - app->lock = AppLock; - app->unlock = AppUnlock; - app->yield_lock = YieldAppLock; - app->restore_lock = RestoreAppLock; - app->free_lock = FreeAppLock; - - app_lock = app->lock_info = XtNew(LockRec); - app_lock->mutex = xmutex_malloc(); - xmutex_init(app_lock->mutex); - app_lock->level = 0; -#ifndef _XMUTEX_NESTS - app_lock->cond = xcondition_malloc(); - xcondition_init(app_lock->cond); - xthread_clear_id(app_lock->holder); -#endif - app_lock->stack.size = STACK_INCR; - app_lock->stack.sp = -1; - app_lock->stack.st = - (struct _Tstack *)__XtMalloc(sizeof(struct _Tstack)*STACK_INCR); - for (ii = 0; ii < STACK_INCR; ii++) { - app_lock->stack.st[ii].c = xcondition_malloc(); - xcondition_init(app_lock->stack.st[ii].c); - } -} - -#endif /* defined(XTHREADS) */ - -void XtAppLock(XtAppContext app) -{ -#ifdef XTHREADS - if(app->lock) - (*app->lock)(app); -#endif -} - -void XtAppUnlock(XtAppContext app) -{ -#ifdef XTHREADS - if(app->unlock) - (*app->unlock)(app); -#endif -} - -void XtProcessLock(void) -{ -#ifdef XTHREADS - if(_XtProcessLock) - (*_XtProcessLock)(); -#endif -} - -void XtProcessUnlock(void) -{ -#ifdef XTHREADS - if(_XtProcessUnlock) - (*_XtProcessUnlock)(); -#endif -} - -Boolean XtToolkitThreadInitialize(void) -{ -#ifdef XTHREADS - if (_XtProcessLock == NULL) { -#ifdef xthread_init - xthread_init(); -#endif - InitProcessLock(); - _XtProcessLock = ProcessLock; - _XtProcessUnlock = ProcessUnlock; - _XtInitAppLock = InitAppLock; - } - return True; -#else - return False; -#endif -} - +/************************************************************ +Copyright (c) 1993, Oracle and/or its affiliates. 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 (including the next +paragraph) 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 AUTHORS OR COPYRIGHT HOLDERS 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. + +********************************************************/ + +/* + +Copyright 1994, 1998 The Open Group + +Permission to use, copy, modify, distribute, and sell this software and its +documentation for any purpose is hereby granted without fee, provided that +the above copyright notice appear in all copies and that both that +copyright notice and this permission notice appear in supporting +documentation. + +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 +OPEN GROUP 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 Open Group 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 Open Group. + +*/ + +#ifdef HAVE_CONFIG_H +#include +#endif +#include "IntrinsicI.h" + +#ifdef XTHREADS + +#define xmalloc __XtMalloc +#define xfree XtFree +#include + +#ifndef NDEBUG +#define NDEBUG +#endif +#include +#include + +typedef struct _ThreadStack { + unsigned int size; + int sp; + struct _Tstack { + xthread_t t; + xcondition_t c; + } *st; +} ThreadStack; + +typedef struct _LockRec { + xmutex_t mutex; + int level; + ThreadStack stack; +#ifndef _XMUTEX_NESTS + xthread_t holder; + xcondition_t cond; +#endif +} LockRec; + + +#define STACK_INCR 16 + +static LockPtr process_lock = NULL; + +static void +InitProcessLock(void) +{ + if(!process_lock) { + process_lock = XtNew(LockRec); + process_lock->mutex = xmutex_malloc(); + xmutex_init(process_lock->mutex); + process_lock->level = 0; +#ifndef _XMUTEX_NESTS + process_lock->cond = xcondition_malloc(); + xcondition_init(process_lock->cond); + xthread_clear_id(process_lock->holder); +#endif + } +} + +static void +ProcessLock(void) +{ +#ifdef _XMUTEX_NESTS + xmutex_lock(process_lock->mutex); + process_lock->level++; +#else + xthread_t this_thread = xthread_self(); + + xmutex_lock(process_lock->mutex); + + if (!xthread_have_id(process_lock->holder)) { + process_lock->holder = this_thread; + xmutex_unlock(process_lock->mutex); + return; + } + + if (xthread_equal(process_lock->holder,this_thread)) { + process_lock->level++; + xmutex_unlock(process_lock->mutex); + return; + } + + while(xthread_have_id(process_lock->holder)) + xcondition_wait(process_lock->cond, process_lock->mutex); + + process_lock->holder = this_thread; + assert(xthread_equal(process_lock->holder, this_thread)); + xmutex_unlock(process_lock->mutex); +#endif +} + +static void +ProcessUnlock(void) +{ +#ifdef _XMUTEX_NESTS + process_lock->level--; + xmutex_unlock(process_lock->mutex); +#else + xmutex_lock(process_lock->mutex); + assert(xthread_equal(process_lock->holder, xthread_self())); + if (process_lock->level != 0) { + process_lock->level--; + xmutex_unlock(process_lock->mutex); + return; + } + + xthread_clear_id(process_lock->holder); + xcondition_signal(process_lock->cond); + + xmutex_unlock(process_lock->mutex); +#endif +} + + +static void +AppLock(XtAppContext app) +{ + LockPtr app_lock = app->lock_info; +#ifdef _XMUTEX_NESTS + xmutex_lock(app_lock->mutex); + app_lock->level++; +#else + xthread_t self = xthread_self(); + xmutex_lock(app_lock->mutex); + if (!xthread_have_id(app_lock->holder)) { + app_lock->holder = self; + assert(xthread_equal(app_lock->holder, self)); + xmutex_unlock(app_lock->mutex); + return; + } + if (xthread_equal(app_lock->holder, self)) { + app_lock->level++; + xmutex_unlock(app_lock->mutex); + return; + } + while(xthread_have_id(app_lock->holder)) { + xcondition_wait(app_lock->cond, app_lock->mutex); + } + app_lock->holder = self; + assert(xthread_equal(app_lock->holder, self)); + xmutex_unlock(app_lock->mutex); +#endif +} + +static void +AppUnlock(XtAppContext app) +{ + LockPtr app_lock = app->lock_info; +#ifdef _XMUTEX_NESTS + app_lock->level--; + xmutex_unlock(app_lock->mutex); +#else + xthread_t self; + + self = xthread_self(); + xmutex_lock(app_lock->mutex); + assert(xthread_equal(app_lock->holder, self)); + if (app_lock->level != 0) { + app_lock->level--; + xmutex_unlock(app_lock->mutex); + return; + } + xthread_clear_id(app_lock->holder); + xcondition_signal(app_lock->cond); + xmutex_unlock(app_lock->mutex); +#endif +} + +static void +YieldAppLock( + XtAppContext app, + Boolean* push_thread, + Boolean* pushed_thread, + int* level) +{ + LockPtr app_lock = app->lock_info; + xthread_t self = xthread_self(); +#ifndef _XMUTEX_NESTS + xmutex_lock(app_lock->mutex); + assert(xthread_equal(app_lock->holder, self)); +#endif + *level = app_lock->level; + if (*push_thread) { + *push_thread = FALSE; + *pushed_thread = TRUE; + + if(app_lock->stack.sp == (int)app_lock->stack.size - 1) { + unsigned ii; + app_lock->stack.st = (struct _Tstack *) + XtRealloc ((char *)app_lock->stack.st, + (app_lock->stack.size + STACK_INCR) * sizeof (struct _Tstack)); + ii = app_lock->stack.size; + app_lock->stack.size += STACK_INCR; + for ( ; ii < app_lock->stack.size; ii++) { + app_lock->stack.st[ii].c = xcondition_malloc(); + xcondition_init(app_lock->stack.st[ii].c); + } + } + app_lock->stack.st[++(app_lock->stack.sp)].t = self; + } +#ifdef _XMUTEX_NESTS + while (app_lock->level > 0) { + app_lock->level--; + xmutex_unlock(app_lock->mutex); + } +#else + xcondition_signal(app_lock->cond); + app_lock->level = 0; + xthread_clear_id(app_lock->holder); + xmutex_unlock(app_lock->mutex); +#endif +} + +static void +RestoreAppLock( + XtAppContext app, + int level, + Boolean* pushed_thread) +{ + LockPtr app_lock = app->lock_info; + xthread_t self = xthread_self(); + xmutex_lock(app_lock->mutex); +#ifdef _XMUTEX_NESTS + app_lock->level++; +#else + while(xthread_have_id(app_lock->holder)) { + xcondition_wait(app_lock->cond, app_lock->mutex); + } +#endif + if (!xthread_equal(app_lock->stack.st[app_lock->stack.sp].t, self)) { + int ii; + for (ii = app_lock->stack.sp - 1; ii >= 0; ii--) { + if (xthread_equal(app_lock->stack.st[ii].t, self)) { + xcondition_wait(app_lock->stack.st[ii].c, app_lock->mutex); + break; + } + } +#ifndef _XMUTEX_NESTS + while(xthread_have_id(app_lock->holder)) { + xcondition_wait(app_lock->cond, app_lock->mutex); + } +#endif + } +#ifdef _XMUTEX_NESTS + while (app_lock->level < level) { + xmutex_lock(app_lock->mutex); + app_lock->level++; + } +#else + app_lock->holder = self; + app_lock->level = level; + assert(xthread_equal(app_lock->holder, self)); +#endif + if (*pushed_thread) { + *pushed_thread = FALSE; + (app_lock->stack.sp)--; + if (app_lock->stack.sp >= 0) { + xcondition_signal (app_lock->stack.st[app_lock->stack.sp].c); + } + } +#ifndef _XMUTEX_NESTS + xmutex_unlock(app_lock->mutex); +#endif +} + +static void +FreeAppLock(XtAppContext app) +{ + unsigned ii; + LockPtr app_lock = app->lock_info; + + if(app_lock) { + xmutex_clear(app_lock->mutex); + xmutex_free(app_lock->mutex); +#ifndef _XMUTEX_NESTS + xcondition_clear(app_lock->cond); + xcondition_free(app_lock->cond); +#endif + if(app_lock->stack.st != (struct _Tstack *)NULL) { + for (ii = 0; ii < app_lock->stack.size; ii++) { + xcondition_clear(app_lock->stack.st[ii].c); + xcondition_free(app_lock->stack.st[ii].c); + } + XtFree((char *)app_lock->stack.st); + } + XtFree((char *)app_lock); + app->lock_info = NULL; + } +} + +static void +InitAppLock(XtAppContext app) +{ + int ii; + LockPtr app_lock; + + app->lock = AppLock; + app->unlock = AppUnlock; + app->yield_lock = YieldAppLock; + app->restore_lock = RestoreAppLock; + app->free_lock = FreeAppLock; + + app_lock = app->lock_info = XtNew(LockRec); + app_lock->mutex = xmutex_malloc(); + xmutex_init(app_lock->mutex); + app_lock->level = 0; +#ifndef _XMUTEX_NESTS + app_lock->cond = xcondition_malloc(); + xcondition_init(app_lock->cond); + xthread_clear_id(app_lock->holder); +#endif + app_lock->stack.size = STACK_INCR; + app_lock->stack.sp = -1; + app_lock->stack.st = + (struct _Tstack *)__XtMalloc(sizeof(struct _Tstack)*STACK_INCR); + for (ii = 0; ii < STACK_INCR; ii++) { + app_lock->stack.st[ii].c = xcondition_malloc(); + xcondition_init(app_lock->stack.st[ii].c); + } +} + +#endif /* defined(XTHREADS) */ + +void XtAppLock(XtAppContext app) +{ +#ifdef XTHREADS + if(app->lock) + (*app->lock)(app); +#endif +} + +void XtAppUnlock(XtAppContext app) +{ +#ifdef XTHREADS + if(app->unlock) + (*app->unlock)(app); +#endif +} + +void XtProcessLock(void) +{ +#ifdef XTHREADS + if(_XtProcessLock) + (*_XtProcessLock)(); +#endif +} + +void XtProcessUnlock(void) +{ +#ifdef XTHREADS + if(_XtProcessUnlock) + (*_XtProcessUnlock)(); +#endif +} + +Boolean XtToolkitThreadInitialize(void) +{ +#ifdef XTHREADS + if (_XtProcessLock == NULL) { +#ifdef xthread_init + xthread_init(); +#endif + InitProcessLock(); + _XtProcessLock = ProcessLock; + _XtProcessUnlock = ProcessUnlock; + _XtInitAppLock = InitAppLock; + } + return True; +#else + return False; +#endif +} + -- cgit v1.2.3