The Design and Implementation of the FreeBSD Operating System, Second Edition
Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)


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FreeBSD/Linux Kernel Cross Reference
sys/mips/include/signal.h

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    1 /*      $OpenBSD: signal.h,v 1.2 1999/01/27 04:10:03 imp Exp $  */
    2 
    3 /*
    4  * SPDX-License-Identifier: BSD-3-Clause
    5  *
    6  * Copyright (c) 1992, 1993
    7  *      The Regents of the University of California.  All rights reserved.
    8  *
    9  * This code is derived from software contributed to Berkeley by
   10  * Ralph Campbell.
   11  *
   12  * Redistribution and use in source and binary forms, with or without
   13  * modification, are permitted provided that the following conditions
   14  * are met:
   15  * 1. Redistributions of source code must retain the above copyright
   16  *    notice, this list of conditions and the following disclaimer.
   17  * 2. Redistributions in binary form must reproduce the above copyright
   18  *    notice, this list of conditions and the following disclaimer in the
   19  *    documentation and/or other materials provided with the distribution.
   20  * 3. Neither the name of the University nor the names of its contributors
   21  *    may be used to endorse or promote products derived from this software
   22  *    without specific prior written permission.
   23  *
   24  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
   25  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   26  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   27  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
   28  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   29  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   30  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   31  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   32  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   33  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   34  * SUCH DAMAGE.
   35  *
   36  *      @(#)signal.h    8.1 (Berkeley) 6/10/93
   37  *      JNPR: signal.h,v 1.4 2007/01/08 04:58:37 katta
   38  * $FreeBSD$
   39  */
   40 
   41 #ifndef _MACHINE_SIGNAL_H_
   42 #define _MACHINE_SIGNAL_H_
   43 
   44 #include <sys/cdefs.h>
   45 #include <sys/_sigset.h>
   46 
   47 /*
   48  * Machine-dependent signal definitions
   49  */
   50 
   51 typedef int sig_atomic_t;
   52 
   53 #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
   54 /*
   55  * Information pushed on stack when a signal is delivered.
   56  * This is used by the kernel to restore state following
   57  * execution of the signal handler.  It is also made available
   58  * to the handler to allow it to restore state properly if
   59  * a non-standard exit is performed.
   60  */
   61 
   62 struct  sigcontext {
   63         /*
   64          * The fields following 'sc_mask' must match the definition
   65          * of struct __mcontext. That way we can support
   66          * struct sigcontext and ucontext_t at the same
   67          * time.
   68          */
   69         __sigset_t      sc_mask;        /* signal mask to restore */
   70         int             sc_onstack;     /* sigstack state to restore */
   71         __register_t    sc_pc;          /* pc at time of signal */
   72         __register_t    sc_regs[32];    /* processor regs 0 to 31 */
   73         __register_t    sr;             /* status register */
   74         __register_t    mullo, mulhi;   /* mullo and mulhi registers... */
   75         int             sc_fpused;      /* fp has been used */
   76         f_register_t    sc_fpregs[33];  /* fp regs 0 to 31 and csr */
   77         __register_t    sc_fpc_eir;     /* fp exception instruction reg */
   78         void            *sc_tls;        /* pointer to TLS area */
   79         int             __spare__[8];   /* XXX reserved */ 
   80 };
   81 
   82 #endif /* !_ANSI_SOURCE && !_POSIX_SOURCE */
   83 
   84 #endif  /* !_MACHINE_SIGNAL_H_ */

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