NAME

sigignore - manipulate signal dispositions

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS



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.

[EINVAL]
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'') .