diff options
Diffstat (limited to 'libpthread/nptl/forward.c')
| -rw-r--r-- | libpthread/nptl/forward.c | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/libpthread/nptl/forward.c b/libpthread/nptl/forward.c new file mode 100644 index 000000000..e5f93d475 --- /dev/null +++ b/libpthread/nptl/forward.c @@ -0,0 +1,203 @@ +/* Copyright (C) 2002, 2003, 2004 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 <pthreadP.h> +#include <signal.h> +#include <stdlib.h> + +#include <shlib-compat.h> +#include <atomic.h> +#include <sysdep.h> + + +/* Pointers to the libc functions. */ +struct pthread_functions __libc_pthread_functions attribute_hidden; + + +#define FORWARD2(name, rettype, decl, params, defaction) \ +rettype \ +name decl \ +{ \ + if (__libc_pthread_functions.ptr_##name == NULL) \ + defaction; \ + \ + return __libc_pthread_functions.ptr_##name params; \ +} + +#define FORWARD(name, decl, params, defretval) \ + FORWARD2 (name, int, decl, params, return defretval) + + +FORWARD (pthread_attr_destroy, (pthread_attr_t *attr), (attr), 0) + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_1) +FORWARD (__pthread_attr_init_2_0, (pthread_attr_t *attr), (attr), 0) +compat_symbol (libc, __pthread_attr_init_2_0, pthread_attr_init, GLIBC_2_0); +#endif + +FORWARD (__pthread_attr_init_2_1, (pthread_attr_t *attr), (attr), 0) +versioned_symbol (libc, __pthread_attr_init_2_1, pthread_attr_init, 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) + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_broadcast_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond), (cond), return 0) +compat_symbol (libc, __pthread_cond_broadcast_2_0, pthread_cond_broadcast, + GLIBC_2_0); +#endif +FORWARD (__pthread_cond_broadcast, (pthread_cond_t *cond), (cond), 0) +versioned_symbol (libc, __pthread_cond_broadcast, pthread_cond_broadcast, + GLIBC_2_3_2); + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_destroy_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond), (cond), return 0) +compat_symbol (libc, __pthread_cond_destroy_2_0, pthread_cond_destroy, + GLIBC_2_0); +#endif +FORWARD (__pthread_cond_destroy, (pthread_cond_t *cond), (cond), 0) +versioned_symbol (libc, __pthread_cond_destroy, pthread_cond_destroy, + GLIBC_2_3_2); + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_init_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond, const pthread_condattr_t *cond_attr), + (cond, cond_attr), return 0) +compat_symbol (libc, __pthread_cond_init_2_0, pthread_cond_init, GLIBC_2_0); +#endif +FORWARD (__pthread_cond_init, + (pthread_cond_t *cond, const pthread_condattr_t *cond_attr), + (cond, cond_attr), 0) +versioned_symbol (libc, __pthread_cond_init, pthread_cond_init, GLIBC_2_3_2); + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_signal_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond), (cond), return 0) +compat_symbol (libc, __pthread_cond_signal_2_0, pthread_cond_signal, + GLIBC_2_0); +#endif +FORWARD (__pthread_cond_signal, (pthread_cond_t *cond), (cond), 0) +versioned_symbol (libc, __pthread_cond_signal, pthread_cond_signal, + GLIBC_2_3_2); + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_wait_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond, pthread_mutex_t *mutex), (cond, mutex), + return 0) +compat_symbol (libc, __pthread_cond_wait_2_0, pthread_cond_wait, + GLIBC_2_0); +#endif +FORWARD (__pthread_cond_wait, (pthread_cond_t *cond, pthread_mutex_t *mutex), + (cond, mutex), 0) +versioned_symbol (libc, __pthread_cond_wait, pthread_cond_wait, + GLIBC_2_3_2); + +#if SHLIB_COMPAT(libc, GLIBC_2_0, GLIBC_2_3_2) +FORWARD2 (__pthread_cond_timedwait_2_0, int attribute_compat_text_section, + (pthread_cond_2_0_t *cond, pthread_mutex_t *mutex, + const struct timespec *abstime), (cond, mutex, abstime), + return 0) +compat_symbol (libc, __pthread_cond_timedwait_2_0, pthread_cond_timedwait, + GLIBC_2_0); +#endif +FORWARD (__pthread_cond_timedwait, + (pthread_cond_t *cond, pthread_mutex_t *mutex, + const struct timespec *abstime), (cond, mutex, abstime), 0) +versioned_symbol (libc, __pthread_cond_timedwait, pthread_cond_timedwait, + GLIBC_2_3_2); + + +FORWARD (pthread_equal, (pthread_t thread1, pthread_t thread2), + (thread1, thread2), 1) + + +/* Use an alias to avoid warning, as pthread_exit is declared noreturn. */ +FORWARD2 (__pthread_exit, void, (void *retval), (retval), exit (EXIT_SUCCESS)) +strong_alias (__pthread_exit, pthread_exit); + + +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) + + +FORWARD2 (pthread_self, pthread_t, (void), (), return 0) + + +FORWARD (pthread_setcancelstate, (int state, int *oldstate), (state, oldstate), + 0) + +FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0) + +#define return /* value is void */ +FORWARD2(__pthread_unwind, + void attribute_hidden __attribute ((noreturn)) __cleanup_fct_attribute + attribute_compat_text_section, + (__pthread_unwind_buf_t *buf), (buf), { + /* We cannot call abort() here. */ + INTERNAL_SYSCALL_DECL (err); + INTERNAL_SYSCALL (kill, err, 1, SIGKILL); + }) +#undef return |