glibc/sysdeps/nptl/jmp-unwind.c

39 lines
1.3 KiB
C

/* Clean up stack frames unwound by longjmp. Linux version.
Copyright (C) 1995-2015 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; if not, see
<http://www.gnu.org/licenses/>. */
#include <setjmp.h>
#include <stddef.h>
#include <nptl/pthreadP.h>
extern void __pthread_cleanup_upto (__jmp_buf env, char *targetframe);
#pragma weak __pthread_cleanup_upto
void
_longjmp_unwind (jmp_buf env, int val)
{
#ifdef SHARED
if (__libc_pthread_functions_init)
PTHFCT_CALL (ptr___pthread_cleanup_upto, (env->__jmpbuf,
CURRENT_STACK_FRAME));
#else
if (__pthread_cleanup_upto != NULL)
__pthread_cleanup_upto (env->__jmpbuf, CURRENT_STACK_FRAME);
#endif
}