sigpending(2)                    UNIX System V                    sigpending(2)


NAME
      sigpending - examine signals that are blocked and pending

SYNOPSIS
      #include <signal.h>

      int sigpending(sigsett *set);

DESCRIPTION
      The sigpending function retrieves those signals that have been sent to
      the calling process but are being blocked from delivery by the calling
      process's signal mask.  The signals are stored in the space pointed to by
      the argument set.

      sigpending fails if the following is true:

      EFAULT         The set argument points outside the process's allocated
                     address space.

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

DIAGNOSTICS
      On success, sigpending returns zero.  On failure, it returns -1 and sets
      errno to indicate the error.





























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