diff options
Diffstat (limited to 'nx-X11/lib/X11/UIThrStubs.c')
| -rw-r--r-- | nx-X11/lib/X11/UIThrStubs.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/nx-X11/lib/X11/UIThrStubs.c b/nx-X11/lib/X11/UIThrStubs.c new file mode 100644 index 000000000..13df9e7ce --- /dev/null +++ b/nx-X11/lib/X11/UIThrStubs.c @@ -0,0 +1,160 @@ +/* + * $XFree86: xc/lib/XThrStub/UIThrStubs.c,v 3.3 2001/11/18 21:13:26 herrb Exp $ + * + * Copyright (c) 1995 David E. Wexelblat. 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 DAVID E. WEXELBLAT 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 David E. Wexelblat shall + * not be used in advertising or otherwise to promote the sale, use or + * other dealings in this Software without prior written authorization + * from David E. Wexelblat. + * + */ + +/* + * Stubs for thread functions needed by the X library. Supports + * UnixWare 2.x threads; may support Solaris 2 threads as well, but not + * tested. Defining things this way removes the dependency of the X + * library on the threads library, but still supports threads if the user + * specificies the thread library on the link line. + */ + +/* + * Modifications by Carlos A M dos Santos, XFree86 Project, November 1999. + * + * Explanation from <X11/Xos_r.h>: + * The structure below is complicated, mostly because P1003.1c (the + * IEEE POSIX Threads spec) went through lots of drafts, and some + * vendors shipped systems based on draft API that were changed later. + * Unfortunately POSIX did not provide a feature-test macro for + * distinguishing each of the drafts. + */ + +#ifdef CTHREADS +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <cthreads.h> +typedef cthread_t xthread_t; +#define xthread_self cthread_self +#pragma weak cthread_self = _Xthr_self_stub_ +#define xmutex_init mutex_init +#pragma weak mutex_init = _Xthr_zero_stub_ +#pragma weak mutex_clear = _Xthr_zero_stub_ +#pragma weak mutex_lock = _Xthr_zero_stub_ +#pragma weak mutex_unlock = _Xthr_zero_stub_ +#pragma weak condition_init = _Xthr_zero_stub_ +#pragma weak condition_clear = _Xthr_zero_stub_ +#pragma weak condition_wait = _Xthr_zero_stub_ +#pragma weak condition_signal = _Xthr_zero_stub_ +#pragma weak condition_broadcast = _Xthr_zero_stub_ +#else /* !CTHREADS */ +#if defined(SVR4) && !defined(__sgi) +#include <thread.h> +typedef thread_t xthread_t; +#pragma weak thr_self = _Xthr_self_stub_ +#pragma weak mutex_init = _Xthr_zero_stub_ +#pragma weak mutex_destroy = _Xthr_zero_stub_ +#pragma weak mutex_lock = _Xthr_zero_stub_ +#pragma weak mutex_unlock = _Xthr_zero_stub_ +#pragma weak cond_init = _Xthr_zero_stub_ +#pragma weak cond_destroy = _Xthr_zero_stub_ +#pragma weak cond_wait = _Xthr_zero_stub_ +#pragma weak cond_signal = _Xthr_zero_stub_ +#pragma weak cond_broadcast = _Xthr_zero_stub_ +#else /* !SVR4 */ +#ifdef WIN32 + /* + * Don't know what to do here. Is there something do be done at all? + */ +#else /* !WIN32 */ +#ifdef USE_TIS_SUPPORT +#include <tis.h> +typedef pthread_t xthread_t; +#pragma weak tis_self = _Xthr_self_stub_ +#pragma weak tis_mutex_init = _Xthr_zero_stub_ +#pragma weak tis_mutex_destroy = _Xthr_zero_stub_ +#pragma weak tis_mutex_lock = _Xthr_zero_stub_ +#pragma weak tis_mutex_unlock = _Xthr_zero_stub_ +#pragma weak tis_cond_init = _Xthr_zero_stub_ +#pragma weak tis_cond_destroy = _Xthr_zero_stub_ +#pragma weak tis_cond_wait = _Xthr_zero_stub_ +#pragma weak tis_cond_signal = _Xthr_zero_stub_ +#pragma weak tis_cond_broadcast = _Xthr_zero_stub_ +#else +#include <pthread.h> +typedef pthread_t xthread_t; +#if __GNUC__ >= 3 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) +xthread_t pthread_self() __attribute__ ((weak, alias ("_Xthr_self_stub_"))); +int pthread_mutex_init() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_mutex_destroy() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_mutex_lock() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_mutex_unlock() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_cond_init() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_cond_destroy() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_cond_wait() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_cond_signal() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_cond_broadcast() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_key_create() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +void *pthread_getspecific() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +int pthread_setspecific() __attribute__ ((weak, alias ("_Xthr_zero_stub_"))); +#else /* __GNUC__ */ +#pragma weak pthread_self = _Xthr_self_stub_ +#pragma weak pthread_mutex_init = _Xthr_zero_stub_ +#pragma weak pthread_mutex_destroy = _Xthr_zero_stub_ +#pragma weak pthread_mutex_lock = _Xthr_zero_stub_ +#pragma weak pthread_mutex_unlock = _Xthr_zero_stub_ +#pragma weak pthread_cond_init = _Xthr_zero_stub_ +#pragma weak pthread_cond_destroy = _Xthr_zero_stub_ +#pragma weak pthread_cond_wait = _Xthr_zero_stub_ +#pragma weak pthread_cond_signal = _Xthr_zero_stub_ +#pragma weak pthread_cond_broadcast = _Xthr_zero_stub_ +/* These are added for libGL */ +#pragma weak pthread_key_create = _Xthr_zero_stub_ +#pragma weak pthread_getspecific = _Xthr_zero_stub_ +#pragma weak pthread_setspecific = _Xthr_zero_stub_ +#endif /* __GNUC__ */ +#if defined(_DECTHREADS_) || defined(linux) +#pragma weak pthread_equal = _Xthr_equal_stub_ /* See Xthreads.h! */ +int +_Xthr_equal_stub_() +{ + return(1); +} +#endif /* _DECTHREADS_ || linux */ +#endif /* USE_TIS_SUPPORT */ +#endif /* WIN32 */ +#endif /* SVR4 */ +#endif /* CTHREADS */ + +static xthread_t +_Xthr_self_stub_() +{ + static xthread_t _X_no_thread_id; + + return(_X_no_thread_id); /* defined by <X11/Xthreads.h> */ +} + +static int +_Xthr_zero_stub_() +{ + return(0); +} |