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106 lines
4.1 KiB
C
Executable file
106 lines
4.1 KiB
C
Executable file
#include <standards.h>
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typedef int sig_atomic_t; /* accessable as an atomic entity (ANSI) */
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/*
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* valid signal values: all undefined values are reserved for future use
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* note: POSIX requires a value of 0 to be used as the null signal in kill()
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*/
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#define SIGHUP 1 /* hangup, generated when terminal disconnects */
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#define SIGINT 2 /* interrupt, generated from terminal special char */
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#define SIGQUIT 3 /* (*) quit, generated from terminal special char */
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#define SIGILL 4 /* (*) illegal instruction (not reset when caught)*/
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#define SIGTRAP 5 /* (*) trace trap (not reset when caught) */
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#define SIGABRT 6 /* (*) abort process */
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#define SIGEMT 7 /* EMT instruction */
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#define SIGFPE 8 /* (*) floating point exception */
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#define SIGKILL 9 /* kill (cannot be caught or ignored) */
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#define SIGBUS 10 /* (*) bus error (specification exception) */
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#define SIGSEGV 11 /* (*) segmentation violation */
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#define SIGSYS 12 /* (*) bad argument to system call */
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#define SIGPIPE 13 /* write on a pipe with no one to read it */
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#define SIGALRM 14 /* alarm clock timeout */
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#define SIGTERM 15 /* software termination signal */
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#define SIGURG 16 /* (+) urgent contition on I/O channel */
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#define SIGSTOP 17 /* (@) stop (cannot be caught or ignored) */
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#define SIGTSTP 18 /* (@) interactive stop */
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#define SIGCONT 19 /* (!) continue (cannot be caught or ignored) */
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#define SIGCHLD 20 /* (+) sent to parent on child stop or exit */
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#define SIGTTIN 21 /* (@) background read attempted from control terminal*/
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#define SIGTTOU 22 /* (@) background write attempted to control terminal */
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#define SIGIO 23 /* (+) I/O possible, or completed */
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#define SIGXCPU 24 /* cpu time limit exceeded (see setrlimit()) */
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#define SIGXFSZ 25 /* file size limit exceeded (see setrlimit()) */
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#define SIGVTALRM 26 /* virtual time alarm (see setitimer) */
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#define SIGPROF 27 /* profiling time alarm (see setitimer) */
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#define SIGWINCH 28 /* (+) window size changed */
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#define SIGINFO 29 /* information request */
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#define SIGUSR1 30 /* user defined signal 1 */
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#define SIGUSR2 31 /* user defined signal 2 */
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#define SIGMAX 31
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#define NSIG 31
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/*
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* additional signal names supplied for compatibility, only
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*/
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#define SIGIOINT SIGURG /* printer to backend error signal */
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#define SIGAIO SIGIO /* base lan i/o */
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#define SIGPTY SIGIO /* pty i/o */
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#define SIGPOLL SIGIO /* STREAMS version of this signal */
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#define SIGIOT SIGABRT /* abort (terminate) process */
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#define SIGLOST SIGIOT /* old BSD signal ?? */
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#define SIGPWR SIGINFO /* Power Fail/Restart -- SVID3/SVR4 */
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#define SIGCLD SIGCHLD
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/*
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* valid signal action values; other values => pointer to handler function
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*/
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#define SIG_DFL (void (*)())0
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#define SIG_IGN (void (*)())1
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/*
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* values of "how" argument to sigprocmask() call
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*/
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#define SIG_BLOCK 1
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#define SIG_UNBLOCK 2
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#define SIG_SETMASK 3
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/*
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* sigaction structure used in sigaction() system call
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* The order of the fields in this structure must match those in
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* the sigvec structure (below).
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*/
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struct sigaction {
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void (*sa_handler)(); /* signal handler, or action value */
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sigset_t sa_mask; /* signals to block while in handler */
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int sa_flags; /* signal action flags */
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};
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#define __SIGEMPTYSET 0
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#define __SIGFILLSET 0xffffffff
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#define __SIGADDSET(s, n) ( *(s) |= 1L << ((n) - 1), 0)
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#define __SIGDELSET(s, n) ( *(s) &= ~(1L << ((n) - 1)), 0)
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#define __SIGISMEMBER(s, n) ( (*(s) & (1L << ((n) - 1))) != (sigset_t)0)
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#define SIGSTKSZ (16384)
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#define MINSIGSTKSZ (4096)
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/*
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* valid flags define for sa_flag field of sigaction structure
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*/
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#define SA_ONSTACK 0x00000001 /* run on special signal stack */
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#define SA_RESTART 0x00000002 /* restart system calls on sigs */
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#define SA_NOCLDSTOP 0x00000004 /* do not set SIGCHLD for child stops*/
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#define SA_NODEFER 0x00000008 /* don't block while handling */
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#define SA_RESETHAND 0x00000010 /* old sys5 style behavior */
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#define SA_NOCLDWAIT 0x00000020 /* no zombies */
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#define SA_SIGINFO 0x00000040 /* deliver siginfo to handler */
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/* This is for sys/time.h */
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/* Removed for OSF1 V3.2
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typedef union sigval {
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int sival_int;
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void *sival_ptr;
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} sigval_t;
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*/
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