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/*
* Copyright (C) 2011 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "osProcess.h"
#include <windows.h>
#include <string>
#include <stdlib.h>
#include <psapi.h>
namespace osUtils {
childProcess *
childProcess::create(const char *p_cmdLine, const char *p_startdir)
{
childProcess *child = new childProcess();
if (!child) {
return NULL;
}
STARTUPINFOA si;
ZeroMemory(&si, sizeof(si));
ZeroMemory(&child->m_proc, sizeof(child->m_proc));
BOOL ret = CreateProcessA(
NULL ,
(LPSTR)p_cmdLine,
NULL,
NULL,
FALSE,
CREATE_DEFAULT_ERROR_MODE,
NULL,
(p_startdir != NULL ? p_startdir : ".\\"),
&si,
&child->m_proc);
if (ret == 0) {
delete child;
return NULL;
}
// close the thread handle we do not need it,
// keep the process handle for wait/trywait operations, will
// be closed on destruction
CloseHandle(child->m_proc.hThread);
return child;
}
childProcess::~childProcess()
{
if (m_proc.hProcess) {
CloseHandle(m_proc.hProcess);
}
}
bool
childProcess::wait(int *exitStatus)
{
DWORD _exitStatus;
if (WaitForSingleObject(m_proc.hProcess, INFINITE) == WAIT_FAILED) {
return false;
}
if (!GetExitCodeProcess(m_proc.hProcess, &_exitStatus))
{
return false;
}
if (exitStatus) {
*exitStatus = _exitStatus;
}
return true;
}
int
childProcess::tryWait(bool& isAlive)
{
DWORD status = WaitForSingleObject(m_proc.hProcess, 0);
if(status == WAIT_OBJECT_0)
{
// process has exited
isAlive = false;
GetExitCodeProcess(m_proc.hProcess, &status);
}
else if (status == WAIT_TIMEOUT)
{
isAlive = true;
status = 0;
}
return status;
}
int ProcessGetPID()
{
return GetCurrentProcessId();
}
int ProcessGetTID()
{
return GetCurrentThreadId();
}
bool ProcessGetName(char *p_outName, int p_outNameLen)
{
return 0 != GetModuleFileNameEx( GetCurrentProcess(), NULL, p_outName, p_outNameLen);
}
int KillProcess(int pid, bool wait)
{
DWORD exitStatus = 1;
HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, FALSE, pid);
if (NULL == hProc) {
return 0;
}
//
// Terminate the process
//
TerminateProcess(hProc, 0x55);
if (wait) {
//
// Wait for it to be terminated
//
if(WaitForSingleObject(hProc, INFINITE) == WAIT_FAILED) {
CloseHandle(hProc);
return 0;
}
if (!GetExitCodeProcess(hProc, &exitStatus)) {
CloseHandle(hProc);
return 0;
}
}
CloseHandle(hProc);
return exitStatus;
}
bool isProcessRunning(int pid)
{
bool isRunning = false;
HANDLE process = OpenProcess(SYNCHRONIZE, FALSE, pid);
if (NULL != process) {
DWORD ret = WaitForSingleObject(process, 0);
CloseHandle(process);
isRunning = (ret == WAIT_TIMEOUT);
}
return isRunning;
}
} // of namespace osUtils
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