sigpending(2)                                                 sigpending(2)

NAME
     sigpending - examine signals that are blocked and pending

SYNOPSIS
     #include <signal.h>

     int sigpending(sigsett *set);

DESCRIPTION
     The sigpending() function retrieves those signals that have been sent
     to the calling process but are being blocked from delivery by the cal-
     ling process' signal mask. The signals are stored in the space pointed
     to by the argument set.

     sigpending() fails if the following is true:

     EFAULT   set points outside the process' allocated address space.

RESULT
     On success, sigpending() returns 0. On failure, it returns -1 and sets
     errno to indicate the error.

SEE ALSO
     sigaction(2), sigprocmask(2), sigsetops(3C).































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