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/* Copyright (C) 2002-2020 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, see
<https://www.gnu.org/licenses/>. */
#include <dlfcn.h>
#include <pthreadP.h>
#include <signal.h>
#include <stdlib.h>
#include <shlib-compat.h>
#include <atomic.h>
#include <safe-fatal.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); \
}
/* Same as FORWARD2, only without return. */
#define FORWARD_NORETURN(name, rettype, decl, params, defaction) \
rettype \
name decl \
{ \
if (!__libc_pthread_functions_init) \
defaction; \
\
PTHFCT_CALL (ptr_##name, params); \
}
#define FORWARD(name, decl, params, defretval) \
FORWARD2 (name, int, decl, params, return defretval)
#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_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_NORETURN (__pthread_exit, void, (void *retval), (retval),
exit (EXIT_SUCCESS))
strong_alias (__pthread_exit, pthread_exit);
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_setcancelstate, (int state, int *oldstate),
(state, oldstate), 0)
strong_alias (__pthread_setcancelstate, pthread_setcancelstate)
FORWARD (pthread_setcanceltype, (int type, int *oldtype), (type, oldtype), 0)
FORWARD_NORETURN (__pthread_unwind,
void attribute_hidden __attribute ((noreturn))
__cleanup_fct_attribute attribute_compat_text_section,
(__pthread_unwind_buf_t *buf), (buf),
__safe_fatal ())
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