1998-05-04 21:19:20 +08:00
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/* sigstack, sigaltstack definitions.
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2013-01-03 03:01:50 +08:00
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Copyright (C) 1998-2013 Free Software Foundation, Inc.
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1998-05-04 21:19:20 +08:00
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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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2001-07-06 12:58:11 +08:00
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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1998-05-04 21:19:20 +08:00
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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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2001-07-06 12:58:11 +08:00
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Lesser General Public License for more details.
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1998-05-04 21:19:20 +08:00
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2001-07-06 12:58:11 +08:00
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You should have received a copy of the GNU Lesser General Public
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2012-02-10 07:18:22 +08:00
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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1998-05-04 21:19:20 +08:00
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#ifndef _SIGNAL_H
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# error "Never include this file directly. Use <signal.h> instead"
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#endif
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/* Structure describing a signal stack (obsolete). */
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struct sigstack
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{
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__ptr_t ss_sp; /* Signal stack pointer. */
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int ss_onstack; /* Nonzero if executing on this stack. */
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};
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/* Alternate, preferred interface. */
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typedef struct sigaltstack
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{
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__ptr_t ss_sp;
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size_t ss_size;
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int ss_flags;
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} stack_t;
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1998-08-09 04:02:34 +08:00
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/* Possible values for `ss_flags.'. */
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enum
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{
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SS_ONSTACK = 0x0001,
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#define SS_ONSTACK SS_ONSTACK
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1999-05-23 17:14:13 +08:00
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SS_DISABLE = 0x0004
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1998-08-09 04:02:34 +08:00
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#define SS_DISABLE SS_DISABLE
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};
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1999-05-23 17:14:13 +08:00
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1998-08-09 04:02:34 +08:00
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/* Minumum stack size for a signal handler. */
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#define MINSIGSTKSZ 8192
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/* System default stack size. */
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#define SIGSTKSZ (MINSIGSTKSZ + 32768)
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