The Open Group Base Specifications Issue 7
IEEE Std 1003.1-2008
Copyright © 2001-2008 The IEEE and The Open Group

NAME

sigpending - examine pending signals

SYNOPSIS

[CX] [Option Start] #include <signal.h>

int sigpending(sigset_t *
set); [Option End]

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

XBD <signal.h>

CHANGE HISTORY

First released in Issue 3.

Issue 5

The DESCRIPTION is updated for alignment with the POSIX Threads Extension.

Issue 6

The SYNOPSIS is marked CX since the presence of this function in the <signal.h> header is an extension over the ISO C standard.

End of informative text.

 

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