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/* Copyright (C) 1991, 92, 94, 95, 97, 98 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. If not,
write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#include <stddef.h>
#include <setjmp.h>
#include <signal.h>
#if 0
extern void _longjmp_unwind (jmp_buf env, int val);
#endif
extern void __longjmp(__jmp_buf __env, int __val)
__attribute__ ((__noreturn__));
/* 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
__uClibc_siglongjmp (sigjmp_buf env, int val)
{
#if 0
/* Perform any cleanups needed by the frames being unwound. */
_longjmp_unwind (env, val);
#endif
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. */
__longjmp (env[0].__jmpbuf, val ?: 1);
}
__asm__(".weak longjmp; longjmp = __uClibc_siglongjmp");
__asm__(".weak _longjmp; _longjmp = __uClibc_siglongjmp");
__asm__(".weak siglongjmp; siglongjmp = __uClibc_siglongjmp");
__asm__(".weak __sigprocmask; __sigprocmask = sigprocmask");
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