SYNOPSIS
       #include <signal.h>

       int sigpending(sigset_t *set);


DESCRIPTION
       The  sigpending()  function  shall store, in the location referenced by
       the set argument, the set of signals that are blocked from delivery  to
       the  calling  thread and that are pending on the process or the calling
       thread.

RETURN VALUE
       Upon successful completion, sigpending() shall return 0; otherwise,  -1
       shall be returned and errno set to indicate the error.

ERRORS
       No errors are defined.

       The following sections are informative.

EXAMPLES
       None.

APPLICATION USAGE
       None.

RATIONALE
       None.

FUTURE DIRECTIONS
       None.

SEE ALSO
       sigaddset()  ,  sigdelset()  , sigemptyset() , sigfillset() , sigismem-
       ber()   ,   sigprocmask()   ,   the   Base   Definitions   volume    of
       IEEE Std 1003.1-2001, <signal.h>

COPYRIGHT
       Portions  of  this text are reprinted and reproduced in electronic form
       from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology
       --  Portable  Operating  System  Interface (POSIX), The Open Group Base
       Specifications Issue 6, Copyright (C) 2001-2003  by  the  Institute  of
       Electrical  and  Electronics  Engineers, Inc and The Open Group. In the
       event of any discrepancy between this version and the original IEEE and
       The  Open Group Standard, the original IEEE and The Open Group Standard
       is the referee document. The original Standard can be  obtained  online
       at http://www.opengroup.org/unix/online.html .