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/*
* 3.3.7 Wait for a Signal, P1003.1b-1993, p. 75
*
* COPYRIGHT (c) 1989-2004.
* 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.rtems.com/license/LICENSE.
*
* $Id$
*/
#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>
#include <rtems/seterr.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 );
/*
* sigtimedwait() returns the signal number while sigsuspend()
* is supposed to return -1 and EINTR when a signal is caught.
*/
if ( status != -1 )
rtems_set_errno_and_return_minus_one( EINTR );
return status;
}
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