/* $Id$ */ | |
/* | |
* Copyright (C)2003-2006 Benny Prijono <benny@prijono.org> | |
* | |
* This program is free software; you can redistribute it and/or modify | |
* it under the terms of the GNU General Public License as published by | |
* the Free Software Foundation; either version 2 of the License, or | |
* (at your option) any later version. | |
* | |
* This program 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 General Public License for more details. | |
* | |
* You should have received a copy of the GNU General Public License | |
* along with this program; if not, write to the Free Software | |
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
*/ | |
#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__ */ | |