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PROLOG
       This  manual  page  is part of the POSIX Programmer's Manual.  The Linux implementation of this interface
       may differ (consult the corresponding Linux manual page for details of Linux behavior), or the  interface
       may not be implemented on Linux.


NAME
       sigpending — examine pending signals


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
       exec, pthread_sigmask(), sigaddset(), sigdelset(), sigemptyset(), sigfillset(), sigismember()

       The Base Definitions volume of POSIX.1‐2017, <signal.h>


COPYRIGHT
       Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard
       for  Information  Technology  --  Portable  Operating  System  Interface  (POSIX),  The  Open  Group Base
       Specifications Issue 7, 2018 Edition, Copyright (C) 2018 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 .

       Any  typographical  or formatting errors that appear in this page are most likely to have been introduced
       during  the  conversion  of  the  source  files  to  man  page  format.  To  report  such   errors,   see
       https://www.kernel.org/doc/man-pages/reporting_bugs.html .