epoc32/include/libc/sys/wait.h
author William Roberts <williamr@symbian.org>
Tue, 16 Mar 2010 16:12:26 +0000
branchSymbian2
changeset 2 2fe1408b6811
parent 0 061f57f2323e
child 4 837f303aceeb
permissions -rw-r--r--
Final list of Symbian^2 public API header files
     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