/*
* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description:
*
*/



/**
 @file
 @publishedAll
 @released
*/

#ifndef _SYS_WAIT_H
#define _SYS_WAIT_H

#ifdef __cplusplus
extern "C" {
#endif
#include <_ansi.h>
#include <sys/types.h>

#define WNOHANG 1
#define WUNTRACED 2

/**
A status looks like:
      <2 bytes info> <2 bytes code>

      <code> == 0, child has exited, info is the exit value
      <code> == 1..7e, child has exited, info is the signal number.
      <code> == 7f, child has stopped, info was the signal number.
      <code> == 80, there was a core dump.
      <code/>
*/
#define WIFEXITED(w)	(((w) & 0xff) == 0)
#define WIFSIGNALED(w)	(((w) & 0x7f) > 0 && ((w) & 0x7f< 0x7f))
#define WIFSTOPPED(w)	(((w) & 0xff) == 0x7f)
#define WEXITSTATUS(w)	(((w) >> 8) & 0xff)
#define WTERMSIG(w)	((w) & 0x7f)
#define WSTOPSIG	WEXITSTATUS
#define WAIT_ANY	(-1)

IMPORT_C pid_t wait (int* status);
IMPORT_C pid_t waitpid (pid_t pid, int* status, int options);


#ifdef __cplusplus
}
#endif

#endif