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sigpending(2)
NAME
  sigpending - Examines pending signals

SYNOPSIS
  #include <signal.h>

  int sigpending (
	  sigset_t *set );

STANDARDS
  Interfaces documented on this reference page conform to industry standards
  as follows:

  sigpending():	 XPG4, XPG4-UNIX

  Refer to the standards(5) reference page for more information about
  industry standards and associated tags.

PARAMETERS
  set	    Points to a sigset_t structure.

DESCRIPTION
  The sigpending() function stores the set of signals that are blocked from
  delivery and pending to the calling process in the object pointed to by the
  set parameter.

RETURN VALUES
  Upon successful completion, the sigpending() function returns a value of 0
  (zero).  Otherwise, a value of -1 is returned and errno is set to indicate
  the error.

ERRORS
  [Digital]  If a bad mask parameter is passed, the calling process receives
  a SIGSEGV signal.

RELATED INFORMATION
  Functions: sigemptyset(3), sigprocmask(2)

  Files: signal(4)

  Standards: standards(5)