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SIGPENDING(2)               BSD System Calls Manual              SIGPENDING(2)

NAME
     sigpending -- get pending signals

SYNOPSIS
     #include <&lt;signal.h>&gt;

     int
     sigpending(sigset_t *set);

DESCRIPTION
     The sigpending function returns a mask of the signals pending for deliv-
     ery to the calling process in the location indicated by set.  Signals may
     be pending because they are currently masked, or transiently before
     delivery (although the latter case is not normally detectable).

RETURN VALUES
     Upon successful completion, the value 0 is returned; otherwise the
     value -1 is returned and the global variable errno is set to indicate the
     error.

ERRORS
     The sigpending function does not currently detect any errors.

SEE ALSO
     sigaction(2), sigprocmask(2), sigsetops(3)

STANDARDS
     The sigpending function is defined by IEEE Std 1003.1-2008 (``POSIX.1'').

BSD                            September 9, 2014                           BSD