ultrix man page for sigpending

sigpending(2)							System Calls Manual						     sigpending(2)

Name
       sigpending - examine pending signals

Syntax
       #include <signal.h>

       sigpending(set)
       sigset_t *set;

Description
       The  system call stores the set of signals that is blocked from delivery and pending for the calling process in the space pointed to by the
       argument set.

       The set argument is manipulated by using the functions.

Return Values
       A zero (0) return value indicates that the call succeeded.  A -1 return value indicates an error occurred, and errno is set to indicate the
       reason.

Diagnostics
       The system call fails if the following occurs:

       [EFAULT]       The set argument points to memory that is not a valid part of the process address space.

See Also
	sigprocmask(3), sigsetops(3)

																     sigpending(2)