ProcessFunctions.cpp File Reference

implements of function which deals with process More...

#include "stdafx.h"
#include <sys/types.h>
#include <unistd.h>
#include <signal.h>

Include dependency graph for ProcessFunctions.cpp:

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Functions
unsigned int	getprocessid ()
	gets procsess ID More...
bool	processexists (const unsigned int pid)
	judges whether specified process is exists or not. More...

Detailed Description

implements of function which deals with process

Author

S.Tanaka

Date

2009.08.27

Copyright(C) 2006-2014 Eisai Co., Ltd. All rights reserved.

Definition in file ProcessFunctions.cpp.

Function Documentation

unsigned int getprocessid

(

)

gets procsess ID

Returns

process ID

Definition at line 24 of file ProcessFunctions.cpp.

                            {

#ifdef _MSC_VER
    const unsigned int pid = _getpid();
#else
    const unsigned int pid = getpid();
#endif  // _MSC_VER

    return pid;
}

bool processexists

(

const unsigned int

pid

)

judges whether specified process is exists or not.

Parameters

[in]

pid

process ID

Returns

If true, specified process exists.

Definition at line 37 of file ProcessFunctions.cpp.

                                             {
    bool ret = false;

#ifdef _MSC_VER
    HANDLE handle = OpenProcess(
        SYNCHRONIZE,
        FALSE,
        (DWORD)pid
    );
// >>>>>>   @Date:2013/10/03    <Modified>  A.Ozaki
    if  ( (HANDLE)NULL != handle )
    {
        ret = true;
    }
    if  ( GetLastError( ) == ERROR_ACCESS_DENIED )
    {
        ret = true;
    }
// <<<<<<   @Date:2013/10/03    <Modified>  A.Ozaki

    if( handle != NULL ) {
        CloseHandle( handle );
    }

#else
    if( kill( pid, 0 ) == 0 ) {
        ret = true;
    }
#endif  // _MSC_VER

    return ret;
}