signal.h

guide and some example with visualC++

#ifndef _SYSSIGNALH
#define _SYSSIGNALH

#define SIGHUP  1       /* hangup */
#define SIGINT  2       /* interrupt (rubout) */
#define SIGQUIT 3       /* quit (ASCII FS) */
#define SIGILL  4       /* illegal instruction (not reset when caught) */
#define SIGTRAP 5       /* trace trap (not reset when caught) */
#define SIGIOT  6       /* IOT instruction */
#define SIGABRT 6       /* used by abort, replace SIGIOT in the future */
#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 */
#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 */
#define SIGTERM 15      /* software termination signal from kill */
#define SIGUSR1 16      /* user defined signal 1 */
#define SIGUSR2 17      /* user defined signal 2 */
#define SIGCLD  18      /* child status change */
#define SIGCHLD 18      /* child status change alias (POSIX) */
#define SIGPWR  19      /* power-fail restart */
#define SIGWINCH 20     /* window size change */
#define SIGURG  21      /* urgent socket condition */
#define SIGPOLL 22      /* pollable event occured */
#define SIGIO   SIGPOLL /* socket I/O possible (SIGPOLL alias) */
#define SIGSTOP 23      /* stop (cannot be caught or ignored) */
#define SIGTSTP 24      /* user stop requested from tty */
#define SIGCONT 25      /* stopped process has been continued */
#define SIGTTIN 26      /* background tty read attempted */
#define SIGTTOU 27      /* background tty write attempted */
#define SIGVTALRM 28    /* virtual timer expired */
#define SIGPROF 29      /* profiling timer expired */
#define SIGXCPU 30      /* exceeded cpu limit */
#define SIGXFSZ 31      /* exceeded file size limit */
#define SIGWAITING 32   /* process's lwps are blocked */
#define SIGLWP  33      /* special signal used by thread library */
#define SIGFREEZE 34    /* special signal used by CPR */
#define SIGTHAW 35      /* special signal used by CPR */

/* signal() args & returns */
#define SIG_DFL (void(*)())0
#define SIG_ERR (void(*)())-1
#define SIG_IGN (void (*)())1
#define SIG_HOLD (void(*)())2

#endif