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/*
 *  3.3.7 Wait for a Signal, P1003.1b-1993, p. 75
 *
 *  COPYRIGHT (c) 1989-1999.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.OARcorp.com/rtems/license.html.
 *
 *  $Id: sigsuspend.c,v 1.2 2001-09-27 11:59:17 chris Exp $
 */
 
 
#include <signal.h>
#include <errno.h>
 
#include <rtems/system.h>
#include <rtems/posix/pthread.h>
#include <rtems/posix/psignal.h>
 
int sigsuspend(
  const sigset_t  *sigmask
)
{
  sigset_t            saved_signals_blocked;
  sigset_t            all_signals;
  int                 status;
  POSIX_API_Control  *api;
 
  api = _Thread_Executing->API_Extensions[ THREAD_API_POSIX ];
 
  status = sigprocmask( SIG_BLOCK, sigmask, &saved_signals_blocked );
 
  (void) sigfillset( &all_signals );
 
  status = sigtimedwait( &all_signals, NULL, NULL );
 
  (void) sigprocmask( SIG_SETMASK, &saved_signals_blocked, NULL );
 
  return status;
}