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

     sigpending -- get pending signals

     #include <signal.h>

     sigpending(sigset_t *set);

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

     A 0 value indicated that the call succeeded.  A -1 return value indicates an error occurred and errno
     is set to indicated the reason.

     The sigpending function does not currently detect any errors.

     sigaction(2), sigprocmask(2)

     The sigpending function is defined by IEEE Std 1003.1-1988 (``POSIX.1'').

BSD                            January 12, 1994                            BSD

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