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NetBSD 6.1.5 - man page for sigrelse (netbsd section 3)

SIGRELSE(3)			   BSD 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.

BSD					  April 30, 2010				      BSD


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