SIGRELSE(3)
Library Functions Manual
SIGRELSE(3)
NAME
sigrelse
—
manipulate current signal mask
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <
signal.h
>
int
sigrelse
(
int sig
);
DESCRIPTION
This interface is made obsolete by
sigprocmask(2)
.
The
sigrelse
() function removes the signal
sig
from the calling process' signal mask.
RETURN VALUES
If successful, the
sigrelse
() function returns 0. Otherwise -1 is returned and
errno
is set to indicate the error.
ERRORS
The
sigrelse
() function will fail if:
[
EINVAL
]
The argument
sig
is not a valid signal number.
SEE ALSO
sigprocmask(2)
,
sighold(3)
STANDARDS
The
sigrelse
() 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