| /* Copyright (C) 2002, 2003, 2004, 2007 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; |
| int __libc_pthread_functions_init attribute_hidden; |
| |
| |
| #define FORWARD2(name, rettype, decl, params, defaction) \ |
| rettype \ |
| name decl \ |
| { \ |
| if (!__libc_pthread_functions_init) \ |
| defaction; \ |
| \ |
| return PTHFCT_CALL (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 |