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Submitted by: bde (partially)
This commit is contained in:
Mike Barcroft 2002-10-14 14:28:46 +00:00
parent 64b023f4bd
commit a1facc57c0
1 changed files with 29 additions and 28 deletions
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57
sys/sys/signal.h
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@ -1,4 +1,4 @@
/*
/*-
* Copyright (c) 1982, 1986, 1989, 1991, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
@ -39,12 +39,13 @@
* $FreeBSD$
*/
#ifndef _SYS_SIGNAL_H_
#ifndef _SYS_SIGNAL_H_
#define _SYS_SIGNAL_H_
#include <sys/cdefs.h>
#include <sys/_sigset.h>
#include <machine/signal.h> /* sig_atomic_t; trap codes; sigcontext */
#include <machine/signal.h> /* sig_atomic_t; trap codes; sigcontext */
/*
* System defined signals.
@ -136,7 +137,7 @@
* have the same calling protocol so there is no problem in practice.
* A bit in sa_flags could be used to specify the number of args.
*/
typedef void __sighandler_t(int);
typedef void __sighandler_t(int);
#if __POSIX_VISIBLE || __XSI_VISIBLE
#ifndef _SIGSET_T_DECLARED
@ -165,15 +166,15 @@ struct sigevent {
* XXX missing sigev_notify_function, sigev_notify_attributes.
*/
};
#define sigev_signo __sigev_u.__sigev_signo
#define sigev_signo __sigev_u.__sigev_signo
#if __BSD_VISIBLE
#define sigev_notify_kqueue __sigev_u.__sigev_notify_kqueue
#define sigev_notify_kqueue __sigev_u.__sigev_notify_kqueue
#endif
#define SIGEV_NONE 0 /* No async notification */
#define SIGEV_SIGNAL 1 /* Generate a queued signal */
#if __BSD_VISIBLE
#define SIGEV_KEVENT 3 /* Generate a kevent */
#define SIGEV_KEVENT 3 /* Generate a kevent */
#endif
/*
* XXX missing SIGEV_THREAD.
@ -181,12 +182,12 @@ struct sigevent {
#endif /* __POSIX_VISIBLE >= 199309 */
#if __POSIX_VISIBLE >= 199309 || __XSI_VISIBLE
typedef struct __siginfo {
typedef struct __siginfo {
int si_signo; /* signal number */
int si_errno; /* errno association */
/*
* Cause of signal, one of the SI_ macros or signal-specific
* values, i.e. one of the FPE_... values for SIGFPE. This
* values, i.e. one of the FPE_... values for SIGFPE. This
* value is equivalent to the second argument to an old-style
* FreeBSD signal handler.
*/
@ -224,12 +225,12 @@ struct sigaction {
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
#define SA_NOCLDSTOP 0x0008 /* do not generate SIGCHLD on child stop */
#endif /* __POSIX_VISIBLE || __XSI_VISIBLE */
#if __XSI_VISIBLE
#define SA_ONSTACK 0x0001 /* take signal on signal stack */
#define SA_RESTART 0x0002 /* restart system call on signal return */
#define SA_ONSTACK 0x0001 /* take signal on signal stack */
#define SA_RESTART 0x0002 /* restart system call on signal return */
#define SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */
#define SA_NODEFER 0x0010 /* don't mask the signal we're delivering */
#define SA_NOCLDWAIT 0x0020 /* don't keep zombies around */
@ -243,18 +244,18 @@ struct sigaction {
#endif
#if __BSD_VISIBLE
#define NSIG 32 /* number of old signals (counting 0) */
#define NSIG 32 /* number of old signals (counting 0) */
#endif
#if __POSIX_VISIBLE || __XSI_VISIBLE
#define SI_USER 0x10001
#define SI_QUEUE 0x10002
#define SI_TIMER 0x10003
#define SI_ASYNCIO 0x10004
#define SI_MESGQ 0x10005
#define SI_USER 0x10001
#define SI_QUEUE 0x10002
#define SI_TIMER 0x10003
#define SI_ASYNCIO 0x10004
#define SI_MESGQ 0x10005
#endif
#if __BSD_VISIBLE
#define SI_UNDEFINED 0
#define SI_UNDEFINED 0
#endif
#if __BSD_VISIBLE
@ -292,13 +293,13 @@ struct sigvec {
int sv_flags; /* see signal options below */
};
#define SV_ONSTACK SA_ONSTACK
#define SV_INTERRUPT SA_RESTART /* same bit, opposite sense */
#define SV_RESETHAND SA_RESETHAND
#define SV_NODEFER SA_NODEFER
#define SV_NOCLDSTOP SA_NOCLDSTOP
#define SV_SIGINFO SA_SIGINFO
#define sv_onstack sv_flags /* isn't compatibility wonderful! */
#define SV_ONSTACK SA_ONSTACK
#define SV_INTERRUPT SA_RESTART /* same bit, opposite sense */
#define SV_RESETHAND SA_RESETHAND
#define SV_NODEFER SA_NODEFER
#define SV_NOCLDSTOP SA_NOCLDSTOP
#define SV_SIGINFO SA_SIGINFO
#define sv_onstack sv_flags /* isn't compatibility wonderful! */
#endif
#if __XSI_VISIBLE
@ -317,7 +318,7 @@ struct sigstack {
* Macro for converting signal number to a mask suitable for
* sigblock().
*/
#define sigmask(m) (1 << ((m)-1))
#define sigmask(m) (1 << ((m)-1))
#endif
#if __BSD_VISIBLE
@ -341,4 +342,4 @@ __BEGIN_DECLS
__sighandler_t *signal(int, __sighandler_t *);
__END_DECLS
#endif /* !_SYS_SIGNAL_H_ */
#endif /* !_SYS_SIGNAL_H_ */