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Command: sighold | Section: 3 | Source: MINIX | File: sighold.3
SIGHOLD(3) FreeBSD Library Functions Manual SIGHOLD(3)
NAME
sighold - manipulate current signal mask
LIBRARY
Standard C Library (libc, -lc)
SYNOPSIS
#include <signal.h>
int
sighold(int sig);
DESCRIPTION
This interface is made obsolete by sigprocmask(2).
The sighold() function adds the signal sig to the calling process' signal
mask.
RETURN VALUES
If successful, the sighold() function returns 0. Otherwise -1 is
returned and errno is set to indicate the error.
ERRORS
The sighold() function will fail if:
[EINVAL] The argument sig is not a valid signal number.
SEE ALSO
sigprocmask(2), sigrelse(3)
STANDARDS
The sighold() 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.
FreeBSD 14.1-RELEASE-p8 April 30, 2010 FreeBSD 14.1-RELEASE-p8