SIGIGNORE(3)
Library Functions Manual
SIGIGNORE(3)
NAME
sigignore
—
manipulate signal dispositions
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <
signal.h
>
int
sigignore
(
int sig
);
DESCRIPTION
This interface is made obsolete by
sigaction(2)
.
The
sigignore
() function sets the disposition of the signal
sig
to
SIG_IGN
.
RETURN VALUES
If successful, the
sigignore
() function returns 0. Otherwise -1 is returned and
errno
is set to indicate the error.
ERRORS
The
sigignore
() function will fail if:
[
EINVAL
]
The argument
sig
is not a valid signal number; or an attempt is made to ignore a signal that cannot be ignored, such as
SIGKILL
or
SIGSTOP
.
SEE ALSO
sigaction(2)
STANDARDS
The
sigignore
() function conforms to IEEE Std 1003.1-2001 (“POSIX.1”). It was however marked as obsolete in the IEEE Std 1003.1-2008 (“POSIX.1”) revision of the standard.
April 30, 2010
NetBSD 5.99