mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-15 04:20:28 +08:00
71 lines
2.4 KiB
C
71 lines
2.4 KiB
C
/* Private libc-internal interface for mutex locks.
|
|
Copyright (C) 2015-2024 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
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; see the file COPYING.LIB. If
|
|
not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
#ifndef _HTL_LIBC_LOCK_H
|
|
#define _HTL_LIBC_LOCK_H 1
|
|
|
|
#include_next <libc-lock.h>
|
|
#include <bits/cancelation.h>
|
|
|
|
#undef __libc_cleanup_region_start
|
|
#undef __libc_cleanup_region_end
|
|
#undef __libc_cleanup_end
|
|
#undef __libc_cleanup_push
|
|
#undef __libc_cleanup_pop
|
|
|
|
#define __libc_cleanup_region_start(DOIT, FCT, ARG) \
|
|
{ \
|
|
struct __pthread_cancelation_handler **__handlers = NULL; \
|
|
struct __pthread_cancelation_handler __handler; \
|
|
int __registered = 0; \
|
|
if (DOIT) \
|
|
{ \
|
|
__handler.__handler = FCT; \
|
|
__handler.__arg = ARG; \
|
|
if (__pthread_get_cleanup_stack != NULL) \
|
|
{ \
|
|
__handlers = __pthread_get_cleanup_stack (); \
|
|
__handler.__next = *__handlers; \
|
|
*__handlers = &__handler; \
|
|
__registered = 1; \
|
|
} \
|
|
} \
|
|
|
|
#define __libc_cleanup_end(DOIT) \
|
|
if (__registered) \
|
|
*__handlers = __handler.__next; \
|
|
if (DOIT) \
|
|
__handler.__handler (__handler.__arg); \
|
|
|
|
#define __libc_cleanup_region_end(DOIT) \
|
|
__libc_cleanup_end(DOIT) \
|
|
}
|
|
|
|
#define __libc_cleanup_push(fct, arg) __libc_cleanup_region_start (1, fct, arg)
|
|
#define __libc_cleanup_pop(execute) __libc_cleanup_region_end (execute)
|
|
|
|
#if !IS_IN (libpthread)
|
|
# ifdef weak_extern
|
|
weak_extern (__pthread_get_cleanup_stack)
|
|
# else
|
|
# pragma weak __pthread_get_cleanup_stack
|
|
# endif
|
|
#endif
|
|
|
|
#endif
|