| 1 | /*
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| 2 | * Copyright (c) 2011 Jiri Zarevucky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup libposix
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef POSIX_SIGNAL_H_
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| 36 | #define POSIX_SIGNAL_H_
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| 37 |
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| 38 | #include "libc/errno.h"
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| 39 |
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| 40 | /* HelenOS doesn't have signals, so calls to functions of this header
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| 41 | * are just replaced with their respective failure return value.
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| 42 | *
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| 43 | * Other macros and constants are here just to satisfy the symbol resolver
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| 44 | * and have no practical value whatsoever, until HelenOS implements some
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| 45 | * equivalent of signals. Maybe something neat based on IPC will be devised
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| 46 | * in the future?
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| 47 | */
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| 48 |
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| 49 | #undef SIG_DFL
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| 50 | #define SIG_DFL ((void (*)(int)) 0)
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| 51 | #undef SIG_ERR
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| 52 | #define SIG_ERR ((void (*)(int)) 0)
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| 53 | #undef SIG_IGN
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| 54 | #define SIG_IGN ((void (*)(int)) 0)
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| 55 |
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| 56 | #define signal(sig,func) (errno = ENOTSUP, SIG_ERR)
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| 57 | #define raise(sig) ((int) -1)
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| 58 |
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| 59 | typedef int posix_sig_atomic_t;
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| 60 |
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| 61 | /* full POSIX set */
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| 62 | enum {
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| 63 | SIGABRT,
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| 64 | SIGALRM,
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| 65 | SIGBUS,
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| 66 | SIGCHLD,
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| 67 | SIGCONT,
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| 68 | SIGFPE,
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| 69 | SIGHUP,
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| 70 | SIGILL,
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| 71 | SIGINT,
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| 72 | SIGKILL,
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| 73 | SIGPIPE,
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| 74 | SIGQUIT,
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| 75 | SIGSEGV,
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| 76 | SIGSTOP,
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| 77 | SIGTERM,
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| 78 | SIGTSTP,
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| 79 | SIGTTIN,
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| 80 | SIGTTOU,
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| 81 | SIGUSR1,
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| 82 | SIGUSR2,
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| 83 | SIGPOLL,
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| 84 | SIGPROF,
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| 85 | SIGSYS,
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| 86 | SIGTRAP,
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| 87 | SIGURG,
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| 88 | SIGVTALRM,
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| 89 | SIGXCPU,
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| 90 | SIGXFSZ
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| 91 | };
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| 92 |
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| 93 | #ifndef LIBPOSIX_INTERNAL
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| 94 | #define sig_atomic_t posix_sig_atomic_t
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| 95 | #endif
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| 96 |
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| 97 | #endif /* POSIX_SIGNAL_H_ */
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| 98 |
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| 99 | /** @}
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| 100 | */
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