1 wait.h

     1 /*

     2 * Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.symbianfoundation.org/legal/licencesv10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 

    18 

    19 

    20 

    21 

    22 

    23 /**

    24  @file

    25  @publishedAll

    26  @released

    27 */

    28 

    29 #ifndef _SYS_WAIT_H

    30 #define _SYS_WAIT_H

    31 

    32 #ifdef __cplusplus

    33 extern "C" {

    34 #endif

    35 #include <_ansi.h>

    36 #include <sys/types.h>

    37 

    38 #define WNOHANG 1

    39 #define WUNTRACED 2

    40 

    41 /**

    42 A status looks like:

    43       <2 bytes info> <2 bytes code>

    44 

    45       <code> == 0, child has exited, info is the exit value

    46       <code> == 1..7e, child has exited, info is the signal number.

    47       <code> == 7f, child has stopped, info was the signal number.

    48       <code> == 80, there was a core dump.

    49       <code/>

    50 */

    51 #define WIFEXITED(w)	(((w) & 0xff) == 0)

    52 #define WIFSIGNALED(w)	(((w) & 0x7f) > 0 && ((w) & 0x7f< 0x7f))

    53 #define WIFSTOPPED(w)	(((w) & 0xff) == 0x7f)

    54 #define WEXITSTATUS(w)	(((w) >> 8) & 0xff)

    55 #define WTERMSIG(w)	((w) & 0x7f)

    56 #define WSTOPSIG	WEXITSTATUS

    57 #define WAIT_ANY	(-1)

    58 

    59 IMPORT_C pid_t wait (int* status);

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

    61 

    62 

    63 #ifdef __cplusplus

    64 }

    65 #endif

    66 

    67 #endif