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SIGIGNORE(3)		 BSD 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.

BSD				April 30, 2010				   BSD

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