NAME

sigpending − examine signals that are blocked and pending

SYNOPSIS

#include <signal.h>

int sigpending(sigset_t ∗set);

DESCRIPTION

The sigpending function retrieves those signals that have been sent to the calling process but are being blocked from delivery by the calling process’s signal mask.  The signals are stored in the space pointed to by the argument set. 

sigpending fails if the following is true:

EFAULT The set argument points outside the process’s allocated address space. 

SEE ALSO

sigaction(2), sigprocmask(2), sigsetops(3C)

DIAGNOSTICS

On success, sigpending returns zero.  On failure, it returns −1 and sets errno to indicate the error.