1 /* 2 Copyright (C) 2001, 2004, 2005 Axis Communications AB. 3 All rights reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions 7 are met: 8 9 1. Redistributions of source code must retain the above copyright 10 notice, this list of conditions and the following disclaimer. 11 12 2. Neither the name of Axis Communications nor the names of its 13 contributors may be used to endorse or promote products derived 14 from this software without specific prior written permission. 15 16 THIS SOFTWARE IS PROVIDED BY AXIS COMMUNICATIONS AND ITS CONTRIBUTORS 17 AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL AXIS 20 COMMUNICATIONS OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 21 INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 26 IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 POSSIBILITY OF SUCH DAMAGE. 28 */ 29 /* This file is to be kept in sync (well, reasonably so, it's quite 30 different) with newlib/libc/include/sys/signal.h on which it is 31 based, except values used or returned by syscalls must be those of 32 the Linux/CRIS kernel. */ 33 34 /* sys/signal.h */ 35 36 #ifndef _SYS_SIGNAL_H 37 #define _SYS_SIGNAL_H 38 #ifdef __cplusplus 39 extern "C" { 40 #endif 41 42 #include <sys/features.h> 43 #include <sys/types.h> 44 45 typedef unsigned long sigset_t; 46 47 /* Adjusted to linux, has unused sa_restorer field and unsigned long 48 sa_flags; relatively unimportant though. */ 49 /* Type of a signal handler. */ 50 typedef void (*__sighandler_t)(int); 51 52 /* The type used in newlib sources. */ 53 typedef __sighandler_t _sig_func_ptr; 54 55 struct sigaction { 56 __sighandler_t sa_handler; 57 sigset_t sa_mask; 58 unsigned long sa_flags; 59 void (*sa_restorer)(void); 60 }; 61 62 /* Adjusted to glibc; other values. */ 63 #define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */ 64 65 #if __POSIX_VISIBLE 66 #define SIG_SETMASK 2 /* set mask with sigprocmask() */ 67 #define SIG_BLOCK 0 /* set of signals to block */ 68 #define SIG_UNBLOCK 1 /* set of signals to, well, unblock */ 69 70 int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b); 71 #endif /* __POSIX_VISIBLE */ 72 73 #ifdef _LIBC 74 int _kill (pid_t, int); 75 #endif 76 77 #if __POSIX_VISIBLE 78 79 int kill (pid_t, int); 80 int sigaddset (sigset_t *, const int); 81 int sigdelset (sigset_t *, const int); 82 int sigismember (const sigset_t *, int); 83 int sigfillset (sigset_t *); 84 int sigemptyset (sigset_t *); 85 86 /* These depend upon the type of sigset_t, which right now 87 is always a long.. They're in the POSIX namespace, but 88 are not ANSI. */ 89 #define sigaddset(what,sig) (*(what) |= (1<<(sig)), 0) 90 #define sigdelset(what,sig) (*(what) &= ~(1<<(sig)), 0) 91 #define sigemptyset(what) (*(what) = 0, 0) 92 #define sigfillset(what) (*(what) = ~(0), 0) 93 #define sigismember(what,sig) (((*(what)) & (1<<(sig))) != 0) 94 95 #endif /* __POSIX_VISIBLE */ 96 97 /* Using __MISC_VISIBLE until POSIX Issue 8 is officially released */ 98 #if __MISC_VISIBLE 99 100 /* POSIX Issue 8 adds sig2str() and str2sig() */ 101 102 #define SIG2STR_MAX 17 /* (sizeof("RTMAX+") + sizeof("4294967295") - 1) */ 103 104 int sig2str(int, char *); 105 int str2sig(const char *__restrict, int *__restrict); 106 107 #endif /* __MISC_VISIBLE */ 108 109 #define SIGHUP 1 110 #define SIGINT 2 111 #define SIGQUIT 3 112 #define SIGILL 4 113 #define SIGTRAP 5 114 #define SIGABRT 6 115 #define SIGIOT 6 116 #define SIGBUS 7 117 #define SIGFPE 8 118 #define SIGKILL 9 119 #define SIGUSR1 10 120 #define SIGSEGV 11 121 #define SIGUSR2 12 122 #define SIGPIPE 13 123 #define SIGALRM 14 124 #define SIGTERM 15 125 #define SIGSTKFLT 16 126 #define SIGCHLD 17 127 #define SIGCONT 18 128 #define SIGSTOP 19 129 #define SIGTSTP 20 130 #define SIGTTIN 21 131 #define SIGTTOU 22 132 #define SIGURG 23 133 #define SIGXCPU 24 134 #define SIGXFSZ 25 135 #define SIGVTALRM 26 136 #define SIGPROF 27 137 #define SIGWINCH 28 138 #define SIGIO 29 139 #define SIGPOLL SIGIO 140 #define SIGPWR 30 141 #define NSIG 31 142 143 #ifdef __cplusplus 144 } 145 #endif 146 #ifndef _SIGNAL_H_ 147 /* Some applications take advantage of the fact that <sys/signal.h> 148 * and <signal.h> are equivalent in glibc. Allow for that here. */ 149 #include <signal.h> 150 #endif 151 #endif /* _SYS_SIGNAL_H */ 152
