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Diffstat (limited to 'nptl/forward.c')
| -rw-r--r-- | nptl/forward.c | 151 |
1 files changed, 151 insertions, 0 deletions
diff --git a/nptl/forward.c b/nptl/forward.c new file mode 100644 index 0000000000..29f291d555 --- /dev/null +++ b/nptl/forward.c @@ -0,0 +1,151 @@ +/* Copyright (C) 2002 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include <dlfcn.h> +#include <pthread.h> +#include <stdlib.h> + +#include <shlib-compat.h> + + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +static void *libpthread_handle; + + +static void +test_loaded (void) +{ + void *h = __libc_dlopen_mode ("libpthread.so.0", RTLD_LAZY | RTLD_NOLOAD); + + libpthread_handle = h ?: (void *) -1l; +} + + +#define FORWARD3(name, rettype, decl, params, defaction, version) \ +rettype \ +__noexport_##name decl \ +{ \ + if (libpthread_handle == NULL) \ + test_loaded (); \ + \ + if (libpthread_handle == (void *) -1l) \ + defaction; \ + \ + static __typeof (name) *p; \ + p = __libc_dlsym (libpthread_handle, #name); \ + \ + return p params; \ +} \ +compat_symbol (libc, __noexport_##name, name, version) + +#define FORWARD2(name, decl, params, defretval, version) \ + FORWARD3 (name, int, decl, params, return defretval, version) + +#define FORWARD(name, decl, params, defretval) \ + FORWARD2 (name, decl, params, defretval, GLIBC_2_0) + + +FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0); + +FORWARD2 (pthread_attr_init, (pthread_attr_t *attr), (attr), 0, GLIBC_2_1); + +FORWARD (pthread_attr_getdetachstate, + (const pthread_attr_t *attr, int *detachstate), (attr, detachstate), + 0); +FORWARD (pthread_attr_setdetachstate, (pthread_attr_t *attr, int detachstate), + (attr, detachstate), 0); + +FORWARD (pthread_attr_getinheritsched, + (const pthread_attr_t *attr, int *inherit), (attr, inherit), 0); +FORWARD (pthread_attr_setinheritsched, (pthread_attr_t *attr, int inherit), + (attr, inherit), 0); + +FORWARD (pthread_attr_getschedparam, + (const pthread_attr_t *attr, struct sched_param *param), + (attr, param), 0); +FORWARD (pthread_attr_setschedparam, + (pthread_attr_t *attr, const struct sched_param *param), + (attr, param), 0); + +FORWARD (pthread_attr_getschedpolicy, + (const pthread_attr_t *attr, int *policy), (attr, policy), 0); +FORWARD (pthread_attr_setschedpolicy, (pthread_attr_t *attr, int policy), + (attr, policy), 0); + +FORWARD (pthread_attr_getscope, + (const pthread_attr_t *attr, int *scope), (attr, scope), 0); +FORWARD (pthread_attr_setscope, (pthread_attr_t *attr, int scope), + (attr, scope), 0); + + +FORWARD (pthread_condattr_destroy, (pthread_condattr_t *attr), (attr), 0); +FORWARD (pthread_condattr_init, (pthread_condattr_t *attr), (attr), 0); + + +FORWARD (pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0); + +FORWARD (pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0); + +FORWARD (pthread_cond_init, + (pthread_cond_t *cond, const pthread_condattr_t *cond_attr), + (cond, cond_attr), 0); + +FORWARD (pthread_cond_signal, (pthread_cond_t *cond), (cond), 0); + +FORWARD (pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex), + (cond, mutex), 0); + + +FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2), + (thread1, thread2), 1); + + +FORWARD3 (pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS), + GLIBC_2_0); + + +FORWARD (pthread_getschedparam, + (pthread_t target_thread, int *policy, struct sched_param *param), + (target_thread, policy, param), 0); +FORWARD (pthread_setschedparam, + (pthread_t target_thread, int policy, + const struct sched_param *param), (target_thread, policy, param), 0); + + +FORWARD (pthread_mutex_destroy, (pthread_mutex_t *mutex), (mutex), 0); + +FORWARD (pthread_mutex_init, + (pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr), + (mutex, mutexattr), 0); + +FORWARD (pthread_mutex_lock, (pthread_mutex_t *mutex), (mutex), 0); + +FORWARD (pthread_mutex_unlock, (pthread_mutex_t *mutex), (mutex), 0); + + +FORWARD (pthread_self, (void), (), 0); + + +FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate), + 0); + +FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0); + + +#endif |