__signal.h
上传用户:tsgydb
上传日期:2007-04-14
资源大小:10674k
文件大小:4k
- #include <standards.h>
- typedef int sig_atomic_t; /* accessable as an atomic entity (ANSI) */
- /*
- * valid signal values: all undefined values are reserved for future use
- * note: POSIX requires a value of 0 to be used as the null signal in kill()
- */
- #define SIGHUP 1 /* hangup, generated when terminal disconnects */
- #define SIGINT 2 /* interrupt, generated from terminal special char */
- #define SIGQUIT 3 /* (*) quit, generated from terminal special char */
- #define SIGILL 4 /* (*) illegal instruction (not reset when caught)*/
- #define SIGTRAP 5 /* (*) trace trap (not reset when caught) */
- #define SIGABRT 6 /* (*) abort process */
- #define SIGEMT 7 /* EMT instruction */
- #define SIGFPE 8 /* (*) floating point exception */
- #define SIGKILL 9 /* kill (cannot be caught or ignored) */
- #define SIGBUS 10 /* (*) bus error (specification exception) */
- #define SIGSEGV 11 /* (*) segmentation violation */
- #define SIGSYS 12 /* (*) bad argument to system call */
- #define SIGPIPE 13 /* write on a pipe with no one to read it */
- #define SIGALRM 14 /* alarm clock timeout */
- #define SIGTERM 15 /* software termination signal */
- #define SIGURG 16 /* (+) urgent contition on I/O channel */
- #define SIGSTOP 17 /* (@) stop (cannot be caught or ignored) */
- #define SIGTSTP 18 /* (@) interactive stop */
- #define SIGCONT 19 /* (!) continue (cannot be caught or ignored) */
- #define SIGCHLD 20 /* (+) sent to parent on child stop or exit */
- #define SIGTTIN 21 /* (@) background read attempted from control terminal*/
- #define SIGTTOU 22 /* (@) background write attempted to control terminal */
- #define SIGIO 23 /* (+) I/O possible, or completed */
- #define SIGXCPU 24 /* cpu time limit exceeded (see setrlimit()) */
- #define SIGXFSZ 25 /* file size limit exceeded (see setrlimit()) */
- #define SIGVTALRM 26 /* virtual time alarm (see setitimer) */
- #define SIGPROF 27 /* profiling time alarm (see setitimer) */
- #define SIGWINCH 28 /* (+) window size changed */
- #define SIGINFO 29 /* information request */
- #define SIGUSR1 30 /* user defined signal 1 */
- #define SIGUSR2 31 /* user defined signal 2 */
- #define SIGMAX 31
- #define NSIG 31
- /*
- * additional signal names supplied for compatibility, only
- */
- #define SIGIOINT SIGURG /* printer to backend error signal */
- #define SIGAIO SIGIO /* base lan i/o */
- #define SIGPTY SIGIO /* pty i/o */
- #define SIGPOLL SIGIO /* STREAMS version of this signal */
- #define SIGIOT SIGABRT /* abort (terminate) process */
- #define SIGLOST SIGIOT /* old BSD signal ?? */
- #define SIGPWR SIGINFO /* Power Fail/Restart -- SVID3/SVR4 */
- #define SIGCLD SIGCHLD
- /*
- * valid signal action values; other values => pointer to handler function
- */
- #define SIG_DFL (void (*)())0
- #define SIG_IGN (void (*)())1
- /*
- * values of "how" argument to sigprocmask() call
- */
- #define SIG_BLOCK 1
- #define SIG_UNBLOCK 2
- #define SIG_SETMASK 3
- /*
- * sigaction structure used in sigaction() system call
- * The order of the fields in this structure must match those in
- * the sigvec structure (below).
- */
- struct sigaction {
- void (*sa_handler)(); /* signal handler, or action value */
- sigset_t sa_mask; /* signals to block while in handler */
- int sa_flags; /* signal action flags */
- };
- #define __SIGEMPTYSET 0
- #define __SIGFILLSET 0xffffffff
- #define __SIGADDSET(s, n) ( *(s) |= 1L << ((n) - 1), 0)
- #define __SIGDELSET(s, n) ( *(s) &= ~(1L << ((n) - 1)), 0)
- #define __SIGISMEMBER(s, n) ( (*(s) & (1L << ((n) - 1))) != (sigset_t)0)
- #define SIGSTKSZ (16384)
- #define MINSIGSTKSZ (4096)
- /*
- * valid flags define for sa_flag field of sigaction structure
- */
- #define SA_ONSTACK 0x00000001 /* run on special signal stack */
- #define SA_RESTART 0x00000002 /* restart system calls on sigs */
- #define SA_NOCLDSTOP 0x00000004 /* do not set SIGCHLD for child stops*/
- #define SA_NODEFER 0x00000008 /* don't block while handling */
- #define SA_RESETHAND 0x00000010 /* old sys5 style behavior */
- #define SA_NOCLDWAIT 0x00000020 /* no zombies */
- #define SA_SIGINFO 0x00000040 /* deliver siginfo to handler */
- /* This is for sys/time.h */
- /* Removed for OSF1 V3.2
- typedef union sigval {
- int sival_int;
- void *sival_ptr;
- } sigval_t;
- */