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41 lines
1.4 KiB
C
41 lines
1.4 KiB
C
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/* Copyright (C) 1991, 1992, 1994, 1995 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 675 Mass Ave,
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Cambridge, MA 02139, USA. */
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#include <stddef.h>
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#include <setjmp.h>
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#include <signal.h>
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/* Set the signal mask to the one specified in ENV, and jump
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to the position specified in ENV, causing the setjmp
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call there to return VAL, or 1 if VAL is 0. */
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void
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longjmp (sigjmp_buf env, int val)
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{
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if (env[0].__mask_was_saved)
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/* Restore the saved signal mask. */
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(void) __sigprocmask (SIG_SETMASK, &env[0].__saved_mask,
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(sigset_t *) NULL);
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/* Call the machine-dependent function to restore machine state. */
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__longjmp (env[0].__jmpbuf, val ?: 1);
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}
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weak_alias (longjmp, _longjmp)
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weak_alias (longjmp, siglongjmp)
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