Manual browser: sighold(3)

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SIGHOLD(3) 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.
April 30, 2010 NetBSD 7.0
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