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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.

 *

 *  sigsuspend.c,v 1.3 2001/01/24 14:17:28 joel Exp

 */

#if HAVE_CONFIG_H

#include "config.h"

#endif

#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;

}