36 lines
1.3 KiB
C
36 lines
1.3 KiB
C
/* Copyright (C) 1992, 1994, 1997 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>
|
|
|
|
/* This function is called by the `sigsetjmp' macro
|
|
before doing a `__setjmp' on ENV[0].__jmpbuf.
|
|
Always return zero. */
|
|
|
|
int
|
|
__sigjmp_save (sigjmp_buf env, int savemask)
|
|
{
|
|
env[0].__mask_was_saved = (savemask &&
|
|
__sigprocmask (SIG_BLOCK, (sigset_t *) NULL,
|
|
&env[0].__saved_mask) == 0);
|
|
|
|
return 0;
|
|
}
|