genericopenlibs/cstdlib/LINCSYS/WAIT.H
author Peter Fordham <peter.fordham@gmail.com>
Mon, 22 Mar 2010 12:54:15 -0700
branchCompilerCompatibility
changeset 11 8d1ef0d13f16
parent 0 e4d67989cc36
permissions -rw-r--r--
Bug 1697 - Restructed function control flow to aviod branching across initialization.
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/*
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* Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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/**
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 @file
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 @publishedAll
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 @released
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*/
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#ifndef _SYS_WAIT_H
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#define _SYS_WAIT_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <_ansi.h>
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#include <sys/types.h>
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#define WNOHANG 1
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#define WUNTRACED 2
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/**
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A status looks like:
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      <2 bytes info> <2 bytes code>
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      <code> == 0, child has exited, info is the exit value
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      <code> == 1..7e, child has exited, info is the signal number.
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      <code> == 7f, child has stopped, info was the signal number.
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      <code> == 80, there was a core dump.
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      <code/>
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*/
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#define WIFEXITED(w)	(((w) & 0xff) == 0)
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#define WIFSIGNALED(w)	(((w) & 0x7f) > 0 && ((w) & 0x7f< 0x7f))
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#define WIFSTOPPED(w)	(((w) & 0xff) == 0x7f)
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#define WEXITSTATUS(w)	(((w) >> 8) & 0xff)
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#define WTERMSIG(w)	((w) & 0x7f)
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#define WSTOPSIG	WEXITSTATUS
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#define WAIT_ANY	(-1)
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IMPORT_C pid_t wait (int* status);
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IMPORT_C pid_t waitpid (pid_t pid, int* status, int options);
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#ifdef __cplusplus
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}
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#endif
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#endif