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72 lines
2.4 KiB
C
72 lines
2.4 KiB
C
/* $Id: wait.h,v 1.5 2002/10/29 04:45:23 rex Exp $
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*/
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/*
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* sys/wait.h
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*
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* declarations for waiting. Conforming to the Single UNIX(r) Specification
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* Version 2, System Interface & Headers Issue 5
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*
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* This file is part of the ReactOS Operating System.
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*
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* Contributors:
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* Created by KJK::Hyperion <noog@libero.it>
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*
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* THIS SOFTWARE IS NOT COPYRIGHTED
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*
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* This source code is offered for use in the public domain. You may
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* use, modify or distribute it freely.
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*
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* This code is distributed in the hope that it will be useful but
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* WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
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* DISCLAMED. This includes but is not limited to warranties of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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*/
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#ifndef __SYS_WAIT_H_INCLUDED__
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#define __SYS_WAIT_H_INCLUDED__
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/* INCLUDES */
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#include <signal.h>
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#include <sys/resource.h>
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/* OBJECTS */
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/* TYPES */
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typedef enum __tagidtype_t
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{
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P_ALL,
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P_PID,
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P_PGID
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} idtype_t;
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/* CONSTANTS */
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/* Possible values for the options argument to waitid() */
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#define WEXITED (0x00000001) /* Wait for processes that have exited */
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#define WSTOPPED (0x00000002) /* Status will be returned for any child that has stopped upon receipt of a signal */
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#define WNOWAIT (0x00000004) /* Keep the process whose status is returned in infop in a waitable state */
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#define WCONTINUED (0x00000008) /* Status will be returned for any child that was stopped and has been continued */
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#define WNOHANG (0x00000010) /* Return immediately if there are no children to wait for */
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#define WUNTRACED (0x00000020) /* Report status of stopped child process */
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/* PROTOTYPES */
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pid_t wait(int *);
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pid_t wait3(int *, int, struct rusage *);
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int waitid(idtype_t, id_t, siginfo_t *, int);
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pid_t waitpid(pid_t, int *, int);
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/* MACROS */
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/* Macros for analysis of process status values */
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#define WEXITSTATUS(__STATUS__) (1) /* Return exit status */
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#define WIFCONTINUED(__STATUS__) (1) /* True if child has been continued */
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#define WIFEXITED(__STATUS__) (1) /* True if child exited normally */
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#define WIFSIGNALED(__STATUS__) (1) /* True if child exited due to uncaught signal */
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#define WIFSTOPPED(__STATUS__) (1) /* True if child is currently stopped */
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#define WSTOPSIG(__STATUS__) (1) /* Return signal number that caused process to stop */
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#define WTERMSIG(__STATUS__) (1) /* Return signal number that caused process to terminate */
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#endif /* __SYS_WAIT_H_INCLUDED__ */
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/* EOF */
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