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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

NAME | LIBRARY | SYNOPSIS | DESCRIPTION | RETURN VALUES | ERRORS | SEE ALSO | STANDARDS