105 lines
3.0 KiB
C
105 lines
3.0 KiB
C
|
/*
|
||
|
|
* This file is part of the UCB release of Plan 9. It is subject to the license
|
||
|
|
* terms in the LICENSE file found in the top-level directory of this
|
||
|
|
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
|
||
|
|
* part of the UCB release of Plan 9, including this file, may be copied,
|
||
|
|
* modified, propagated, or distributed except according to the terms contained
|
||
|
|
* in the LICENSE file.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 */
|