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/* Copyright (C) 2013 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/>.
Versioned copy of sysdeps/generic/longjmp.c modified for extended
jmpbuf. */
#include <shlib-compat.h>
#include <stddef.h>
#include <setjmp.h>
#include <signal.h>
extern void __v2__longjmp (__jmp_buf __env, int __val)
__attribute__ ((__noreturn__));
extern void __v2__libc_longjmp (sigjmp_buf env, int val)
__attribute__ ((__noreturn__));
libc_hidden_proto (__v2__libc_longjmp)
/* Set the signal mask to the one specified in ENV, and jump
to the position specified in ENV, causing the setjmp
call there to return VAL, or 1 if VAL is 0. */
void
__v2__libc_siglongjmp (sigjmp_buf env, int val)
{
/* Perform any cleanups needed by the frames being unwound. */
_longjmp_unwind (env, val);
if (env[0].__mask_was_saved)
/* Restore the saved signal mask. */
(void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
(sigset_t *) NULL);
/* Call the machine-dependent function to restore machine state. */
__v2__longjmp (env[0].__jmpbuf, val ?: 1);
}
#ifndef __v2__longjmp
strong_alias (__v2__libc_siglongjmp, __v2__libc_longjmp)
libc_hidden_def (__v2__libc_longjmp)
weak_alias (__v2__libc_siglongjmp, __v2_longjmp)
weak_alias (__v2__libc_siglongjmp, __v2longjmp)
weak_alias (__v2__libc_siglongjmp, __v2siglongjmp)
/* These will be used by libpthread only. */
versioned_symbol (libc, __v2__libc_longjmp, __libc_longjmp, GLIBC_PRIVATE);
versioned_symbol (libc, __v2__libc_siglongjmp, __libc_siglongjmp, GLIBC_PRIVATE);
versioned_symbol (libc, __v2_longjmp, _longjmp, GLIBC_2_19);
versioned_symbol (libc, __v2longjmp, longjmp, GLIBC_2_19);
versioned_symbol (libc, __v2siglongjmp, siglongjmp, GLIBC_2_19);
#endif /* ifndef __v2__longjmp */
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