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Update sigaltstack() to use stack_t parameters.

This commit is contained in:
kleink 1997-11-26 16:51:12 +00:00
parent b934dcf21f
commit 5abc2c37ce
2 changed files with 13 additions and 9 deletions
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4
include/signal.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: signal.h,v 1.9 1997/11/18 20:30:24 kleink Exp $ */
/* $NetBSD: signal.h,v 1.10 1997/11/26 16:51:13 kleink Exp $ */
/*-
* Copyright (c) 1991, 1993
@ -111,7 +111,7 @@ int sigpause __P((int));
int sigreturn __P((struct sigcontext *));
int sigsetmask __P((int));
int sigstack __P((const struct sigstack *, struct sigstack *));
int sigaltstack __P((const struct sigaltstack *, struct sigaltstack *));
int sigaltstack __P((const stack_t *, stack_t *));
int sigvec __P((int, struct sigvec *, struct sigvec *));
void psignal __P((unsigned int, const char *));
#endif /* !_POSIX_SOURCE */

18
lib/libc/sys/sigaltstack.2
View File

@ -1,4 +1,4 @@
.\" $NetBSD: sigaltstack.2,v 1.5 1997/09/20 02:49:43 mikel Exp $
.\" $NetBSD: sigaltstack.2,v 1.6 1997/11/26 16:51:12 kleink Exp $
.\"
.\" Copyright (c) 1983, 1991, 1992, 1993
.\" The Regents of the University of California. All rights reserved.
@ -40,18 +40,17 @@
.Nm sigaltstack
.Nd set and/or get signal stack context
.Sh SYNOPSIS
.Fd #include <sys/types.h>
.Fd #include <signal.h>
.Pp
.Bd -literal
struct sigaltstack {
char *ss_sp;
int ss_size;
typedef struct {
void *ss_sp;
size_t ss_size;
int ss_flags;
};
} stack_t;
.Ed
.Ft int
.Fn sigaltstack "const struct sigaltstack *ss" "struct sigaltstack *oss"
.Fn sigaltstack "const stack_t *ss" "stack_t *oss"
.Sh DESCRIPTION
.Fn Sigaltstack
allows users to define an alternative stack on which signals
@ -160,6 +159,11 @@ Size of alternative stack area is less than or equal to
.Sh SEE ALSO
.Xr sigaction 2 ,
.Xr setjmp 3
.Sh STANDARDS
The
.Fn sigaltstack
function conforms to
.St -xpg4.2 .
.Sh HISTORY
The predecessor to
.Nm sigaltstack ,