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.
sigpending — examine pending signals
int sigpending(sigset_t *set);
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.
Upon successful completion, sigpending() shall return 0; otherwise, -1
shall be returned and errno set to indicate the error.
No errors are defined.
The following sections are informative.
exec, pthread_sigmask(), sigaddset(),
The Base Definitions volume of POSIX.1‐2017,
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 .
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