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/* sigstack, sigaltstack definitions. OpenSolaris version.
Copyright (C) 1998, 1999, 2008 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#if !defined(_SIGNAL_H) && !defined(__need_stack_t)
# error "Never include this file directly. Use <signal.h> instead"
#endif
#include <bits/types.h>
#if !defined(__need_stack_t)
/* Structure describing a signal stack (obsolete). */
struct sigstack
{
void *ss_sp; /* Signal stack pointer. */
int ss_onstack; /* Nonzero if executing on this stack. */
};
# ifdef _SYSCALL32
# include <sys/types32.h>
typedef struct sigaltstack32
{
caddr32_t ss_sp;
size32_t ss_size;
int32_t ss_flags;
} stack32_t;
# endif
/* Possible values for `ss_flags.'. */
enum
{
SS_ONSTACK = 1,
# define SS_ONSTACK SS_ONSTACK
SS_DISABLE = 2
# define SS_DISABLE SS_DISABLE
};
/* Minimum stack size for a signal handler. */
# define MINSIGSTKSZ 2048
/* System default stack size. */
# define SIGSTKSZ 8192
#endif /* __need_stack_t */
#if !defined(__stack_t_defined)
# define __stack_t_defined
# undef __need_stack_t
/* Alternate, preferred interface. */
typedef struct sigaltstack
{
void *ss_sp;
__SIZE_TYPE__ ss_size;
int ss_flags;
} stack_t;
#endif /* !defined(__stack_t_defined) */
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