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Add SA_RESETHAND and SA_NODEFER, as in SVR4. 

Rename bits in ss_flags to SS_ONSTACK and SS_DISABLE; this makes more sense,
and it's what SVR4 does.
This commit is contained in:
mycroft 1995-08-13 22:51:24 +00:00
parent 0b54b37344
commit e0d445350d
1 changed files with 7 additions and 4 deletions
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11
sys/sys/signal.h
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@ -1,4 +1,4 @@
/* $NetBSD: signal.h,v 1.18 1995/05/30 00:15:26 briggs Exp $ */
/* $NetBSD: signal.h,v 1.19 1995/08/13 22:51:24 mycroft Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -124,7 +124,8 @@ struct sigaction {
#ifndef _POSIX_SOURCE
#define SA_ONSTACK 0x0001 /* take signal on signal stack */
#define SA_RESTART 0x0002 /* restart system on signal return */
#define SA_DISABLE 0x0004 /* disable taking signals on alternate stack */
#define SA_RESETHAND 0x0004 /* reset to SIG_DFL when taking signal */
#define SA_NODEFER 0x0010 /* don't mask the signal we're delivering */
#ifdef COMPAT_SUNOS
#define SA_USERTRAMP 0x0100 /* do not bounce off kernel's sigtramp */
#endif
@ -150,8 +151,10 @@ typedef void (*sig_t) __P((int)); /* type of signal function */
struct sigaltstack {
char *ss_base; /* signal stack base */
int ss_size; /* signal stack length */
int ss_flags; /* SA_DISABLE and/or SA_ONSTACK */
int ss_flags; /* SS_DISABLE and/or SS_ONSTACK */
};
#define SS_ONSTACK 0x0001 /* take signals on alternate stack */
#define SS_DISABLE 0x0004 /* disable taking signals on alternate stack */
#define MINSIGSTKSZ 8192 /* minimum allowable stack */
#define SIGSTKSZ (MINSIGSTKSZ + 32768) /* recommended stack size */
@ -164,9 +167,9 @@ struct sigvec {
int sv_mask; /* signal mask to apply */
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_onstack sv_flags /* isn't compatibility wonderful! */
/*