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Annotation of sys/arch/i386/include/signal.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: signal.h,v 1.6 2006/01/08 14:20:17 millert Exp $      */
                      2: /*     $NetBSD: signal.h,v 1.6 1996/01/08 13:51:43 mycroft Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1982, 1986, 1989, 1991 Regents of the University of California.
                      6:  * All rights reserved.
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. Neither the name of the University nor the names of its contributors
                     17:  *    may be used to endorse or promote products derived from this software
                     18:  *    without specific prior written permission.
                     19:  *
                     20:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
                     21:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     22:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     23:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
                     24:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     25:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     26:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     27:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     28:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     29:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     30:  * SUCH DAMAGE.
                     31:  *
                     32:  *     @(#)signal.h    7.16 (Berkeley) 3/17/91
                     33:  */
                     34:
                     35: #ifndef _I386_SIGNAL_H_
                     36: #define _I386_SIGNAL_H_
                     37:
                     38: #include <sys/cdefs.h>
                     39:
                     40: typedef int sig_atomic_t;
                     41:
                     42: #if __BSD_VISIBLE
                     43: /*
                     44:  * Get the "code" values
                     45:  */
                     46: #include <machine/trap.h>
                     47: #endif
                     48:
                     49: #if __BSD_VISIBLE || __XPG_VISIBLE >= 420
                     50: /*
                     51:  * Information pushed on stack when a signal is delivered.
                     52:  * This is used by the kernel to restore state following
                     53:  * execution of the signal handler.  It is also made available
                     54:  * to the handler to allow it to restore state properly if
                     55:  * a non-standard exit is performed.
                     56:  */
                     57: struct sigcontext {
                     58:        int     sc_gs;
                     59:        int     sc_fs;
                     60:        int     sc_es;
                     61:        int     sc_ds;
                     62:        int     sc_edi;
                     63:        int     sc_esi;
                     64:        int     sc_ebp;
                     65:        int     sc_ebx;
                     66:        int     sc_edx;
                     67:        int     sc_ecx;
                     68:        int     sc_eax;
                     69:        /* XXX */
                     70:        int     sc_eip;
                     71:        int     sc_cs;
                     72:        int     sc_eflags;
                     73:        int     sc_esp;
                     74:        int     sc_ss;
                     75:
                     76:        int     sc_onstack;             /* sigstack state to restore */
                     77:        int     sc_mask;                /* signal mask to restore */
                     78:
                     79:        int     sc_trapno;              /* XXX should be above */
                     80:        int     sc_err;
                     81: };
                     82:
                     83: #define sc_sp sc_esp
                     84: #define sc_fp sc_ebp
                     85: #define sc_pc sc_eip
                     86: #define sc_ps sc_eflags
                     87:
                     88: #endif /* __BSD_VISIBLE || __XPG_VISIBLE >= 420 */
                     89: #endif /* !_I386_SIGNAL_H_ */