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/* $Id$
*
*/
/*
* PJLIB - PJ Foundation Library
* (C)2003-2005 Benny Prijono <bennylp@bulukucing.org>
*
* Author:
* Benny Prijono <bennylp@bulukucing.org>
*
* This 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.
*
* This 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* $Log: /pjproject-0.3/pjlib/include/pj/compat/setjmp.h $
*
* 4 10/14/05 12:26a Bennylp
* Finished error code framework, some fixes in ioqueue, etc. Pretty
* major.
*
* 3 9/22/05 10:31a Bennylp
* Moving all *.h files to include/.
*
* 2 9/21/05 1:39p Bennylp
* Periodic checkin for backup.
*
* 1 9/17/05 10:36a Bennylp
* Created.
*
*/
#ifndef __PJ_COMPAT_SETJMP_H__
#define __PJ_COMPAT_SETJMP_H__
/**
* @file setjmp.h
* @brief Provides setjmp.h functionality.
*/
#if defined(PJ_HAS_SETJMP_H) && PJ_HAS_SETJMP_H != 0
# include <setjmp.h>
typedef jmp_buf pj_jmp_buf;
# define pj_setjmp(buf) setjmp(buf)
# define pj_longjmp(buf,d) longjmp(buf,d)
#elif defined(PJ_LINUX_KERNEL) && PJ_LINUX_KERNEL != 0 && \
defined(PJ_M_I386) && PJ_M_I386 != 0
/*
* These are taken from uClibc.
* Copyright (C) 2000-2003 Erik Andersen <andersen@uclibc.org>
*/
# if defined __USE_MISC || defined _ASM
# define JB_BX 0
# define JB_SI 1
# define JB_DI 2
# define JB_BP 3
# define JB_SP 4
# define JB_PC 5
# define JB_SIZE 24
# endif
# ifndef _ASM
typedef int __jmp_buf[6];
/* A `sigset_t' has a bit for each signal. */
# define _SIGSET_NWORDS (1024 / (8 * sizeof (unsigned long int)))
typedef struct __sigset_t_tag
{
unsigned long int __val[_SIGSET_NWORDS];
} __sigset_t;
/* Calling environment, plus possibly a saved signal mask. */
typedef struct __jmp_buf_tag /* C++ doesn't like tagless structs. */
{
/* NOTE: The machine-dependent definitions of `__sigsetjmp'
assume that a `jmp_buf' begins with a `__jmp_buf' and that
`__mask_was_saved' follows it. Do not move these members
or add others before it. */
__jmp_buf __jmpbuf; /* Calling environment. */
int __mask_was_saved; /* Saved the signal mask? */
// we never saved the mask.
__sigset_t __saved_mask; /* Saved signal mask. */
} jmp_buf[1];
typedef jmp_buf sigjmp_buf;
typedef jmp_buf pj_jmp_buf;
PJ_DECL(int) pj_setjmp(pj_jmp_buf env);
PJ_DECL(void) pj_longjmp(pj_jmp_buf env, int val) __attribute__((noreturn));
# endif /* _ASM */
#else
# warning "setjmp()/longjmp() is not implemented"
typedef int pj_jmp_buf[1];
# define pj_setjmp(buf) 0
# define pj_longjmp(buf,d) 0
#endif
#endif /* __PJ_COMPAT_SETJMP_H__ */
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