ref: 3ccc8224be30ed01a30a4d92ca868df4e98a13fd
dir: /sys/include/ape/signal.h/
#ifndef __SIGNAL_H #define __SIGNAL_H #pragma lib "/$M/lib/ape/libap.a" typedef int sig_atomic_t; /* * We don't give arg types for signal handlers, in spite of ANSI requirement * that it be 'int' (the signal number), because some programs need an * additional context argument. So the real type of signal handlers is * void handler(int sig, char *, struct Ureg *) * where the char * is the Plan 9 message and Ureg is defined in <ureg.h> */ #define SIG_DFL ((void (*)())0) #define SIG_ERR ((void (*)())-1) #define SIG_IGN ((void (*)())1) #define SIGHUP 1 /* hangup */ #define SIGINT 2 /* interrupt */ #define SIGQUIT 3 /* quit */ #define SIGILL 4 /* illegal instruction (not reset when caught)*/ #define SIGABRT 5 /* used by abort */ #define SIGFPE 6 /* floating point exception */ #define SIGKILL 7 /* kill (cannot be caught or ignored) */ #define SIGSEGV 8 /* segmentation violation */ #define SIGPIPE 9 /* write on a pipe with no one to read it */ #define SIGALRM 10 /* alarm clock */ #define SIGTERM 11 /* software termination signal from kill */ #define SIGUSR1 12 /* user defined signal 1 */ #define SIGUSR2 13 /* user defined signal 2 */ #define SIGBUS 14 /* bus error */ /* The following symbols must be defined, but the signals needn't be supported */ #define SIGCHLD 15 /* child process terminated or stopped */ #define SIGCONT 16 /* continue if stopped */ #define SIGSTOP 17 /* stop */ #define SIGTSTP 18 /* interactive stop */ #define SIGTTIN 19 /* read from ctl tty by member of background */ #define SIGTTOU 20 /* write to ctl tty by member of background */ #ifdef _BSD_EXTENSION #define NSIG 21 #endif #ifdef __cplusplus extern "C" { #endif extern void (*signal(int, void (*)()))(); extern int raise(int); #ifdef __cplusplus } #endif #ifdef _POSIX_SOURCE typedef long sigset_t; struct sigaction { void (*sa_handler)(); sigset_t sa_mask; int sa_flags; }; /* values for sa_flags */ #define SA_NOCLDSTOP 1 /* first argument to sigprocmask */ #define SIG_BLOCK 1 #define SIG_UNBLOCK 2 #define SIG_SETMASK 3 #ifdef __cplusplus extern "C" { #endif #ifdef __TYPES_H extern int kill(pid_t, int); #endif extern int sigemptyset(sigset_t *); extern int sigfillset(sigset_t *); extern int sigaddset(sigset_t *, int); extern int sigdelset(sigset_t *, int); extern int sigismember(const sigset_t *, int); extern int sigaction(int, const struct sigaction *, struct sigaction *); extern int sigprocmask(int, sigset_t *, sigset_t *); extern int sigpending(sigset_t *); extern int sigsuspend(const sigset_t *); #ifdef __cplusplus } #endif #endif /* _POSIX_SOURCE */ #endif /* __SIGNAL_H */