/*******************************************************************************
* Copyright (c) 2002 - 2005 QNX Software Systems and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* QNX Software Systems - initial API and implementation
*
* Win32ProcessEx.c
*
* This is a JNI implementation of spawner
***********************************************************************/
#include "stdafx.h"
#include <string.h>
#include <stdlib.h>
#include <process.h>
#include "Spawner.h"
#include "jni.h"
#include "io.h"
#define PIPE_SIZE 512 // Size of pipe buffer
#define MAX_CMD_SIZE 2049 // Maximum size of command line
#define MAX_ENV_SIZE 4096 // Initial size of environment block
#define PIPE_NAME_LENGTH 100 // Size of pipe name buffer
#define PIPE_TIMEOUT 10000 // Default time-out value, in milliseconds.
#define MAX_PROCS (100) // Maximum number of simultaneiously runnig processes
// Process description block. Should be created for each launched process
typedef struct _procInfo {
int pid; // Process ID
int uid; // quasi-unique process ID; we have to create it to avoid duplicated pid
// (actually this impossible from OS point of view but it is still possible
// a clash of new created and already finished process with one and the same PID.
// 3 events connected to this process (see starter)
HANDLE eventBreak;
HANDLE eventWait;
HANDLE eventTerminate;
} procInfo_t, * pProcInfo_t;
static int procCounter = 0; // Number of running processes
// This is a VM helper
JNIEXPORT void JNICALL ThrowByName(JNIEnv *env, const char *name, const char *msg);
// Creates _procInfo block for every launched procss
pProcInfo_t createProcInfo();
// Find process description for this pid
pProcInfo_t findProcInfo(int pid);
// We launch separate thread for each project to trap it termination
unsigned int _stdcall waitProcTermination(void* pv) ;
// This is a helper function to prevent losing of quotatin marks
static int copyTo(_TCHAR * target, const _TCHAR * source, int cpyLenght, int availSpace);
// Use this function to clean project descriptor and return it to the pool of available blocks.
static void cleanUpProcBlock(pProcInfo_t pCurProcInfo);
// Signal codes
typedef enum {
SIG_NOOP,
SIG_HUP,
SIG_INT,
SIG_KILL = 9,
SIG_TERM = 15,
} signals;
extern CRITICAL_SECTION cs;
extern _TCHAR path[MAX_PATH]; // Directory where spawner.dll is located
static HMODULE hVM = NULL; // VM handler
static pProcInfo_t pInfo = NULL;
static int nCounter = 0; // We use it to build unique synchronisation object names
/////////////////////////////////////////////////////////////////////////////////////
// Launcher; launchess process and traps its termination
// Arguments: (see Spawner.java)
// [in] cmdarray - array of command line elements
// [in] envp - array of environment variables
// [in] dir - working directory
// [out] channels - streams handlers
/////////////////////////////////////////////////////////////////////////////////////
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec2
(JNIEnv * env, jobject process, jobjectArray cmdarray, jobjectArray envp, jstring dir, jintArray channels, jstring slaveName, jint fdm)
{
return -1;
}
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0
(JNIEnv * env, jobject process, jobjectArray cmdarray, jobjectArray envp, jstring dir, jintArray channels)
{
HANDLE stdHandles[3];
PROCESS_INFORMATION pi = {0};
STARTUPINFOW si;
DWORD flags = 0;
const _TCHAR * cwd = NULL;
LPVOID envBlk = NULL;
int ret = 0;
_TCHAR szCmdLine[MAX_CMD_SIZE];
int nBlkSize = MAX_ENV_SIZE;
_TCHAR * szEnvBlock = NULL;
jsize nCmdTokens = 0;
jsize nEnvVars = 0;
int i;
DWORD pid = GetCurrentProcessId();
int nPos;
pProcInfo_t pCurProcInfo;
DWORD dwThreadId;
_TCHAR eventBreakName[20];
_TCHAR eventWaitName[20];
_TCHAR eventTerminateName[20];
#ifdef DEBUG_MONITOR
_TCHAR buffer[1000];
#endif
int nLocalCounter;
_TCHAR inPipeName[PIPE_NAME_LENGTH];
_TCHAR outPipeName[PIPE_NAME_LENGTH];
_TCHAR errPipeName[PIPE_NAME_LENGTH];
if((HIBYTE(LOWORD(GetVersion()))) & 0x80)
{
ThrowByName(env, "java/io/IOException", "Does not support Windows 3.1/95/98/Me");
return 0;
}
if (cmdarray == 0)
{
ThrowByName(env, "java/lang/NullPointerException", "No command line specified");
return 0;
}
ZeroMemory(stdHandles, sizeof(stdHandles));
// Create pipe names
EnterCriticalSection(&cs);
_stprintf(inPipeName, L"\\\\.\\pipe\\stdin%08i%010i", pid, nCounter);
_stprintf(outPipeName, L"\\\\.\\pipe\\stdout%08i%010i", pid, nCounter);
_stprintf(errPipeName, L"\\\\.\\pipe\\stderr%08i%010i", pid, nCounter);
nLocalCounter = nCounter;
++nCounter;
LeaveCriticalSection(&cs);
if ((INVALID_HANDLE_VALUE == (stdHandles[0] = CreateNamedPipeW(inPipeName, PIPE_ACCESS_OUTBOUND,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
PIPE_UNLIMITED_INSTANCES, PIPE_SIZE, PIPE_SIZE, PIPE_TIMEOUT, NULL))) ||
(INVALID_HANDLE_VALUE == (stdHandles[1] = CreateNamedPipeW(outPipeName, PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
PIPE_UNLIMITED_INSTANCES, PIPE_SIZE, PIPE_SIZE, PIPE_TIMEOUT, NULL))) ||
(INVALID_HANDLE_VALUE == (stdHandles[2] = CreateNamedPipeW(errPipeName, PIPE_ACCESS_INBOUND | FILE_FLAG_OVERLAPPED,
PIPE_TYPE_BYTE | PIPE_READMODE_BYTE | PIPE_WAIT,
PIPE_UNLIMITED_INSTANCES, PIPE_SIZE, PIPE_SIZE, PIPE_TIMEOUT, NULL)))) {
CloseHandle(stdHandles[0]);
CloseHandle(stdHandles[1]);
CloseHandle(stdHandles[2]);
ThrowByName(env, "java/io/IOException", "CreatePipe");
return 0;
}
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Opened pipes: %s, %s, %s\n"), inPipeName, outPipeName, errPipeName);
OutputDebugStringW(buffer);
#endif
nCmdTokens = (*env) -> GetArrayLength(env, cmdarray);
nEnvVars = (*env) -> GetArrayLength(env, envp);
pCurProcInfo = createProcInfo();
if(NULL == pCurProcInfo)
{
ThrowByName(env, "java/io/IOException", "Too many processes");
return 0;
}
// Construct starter's command line
_stprintf(eventBreakName, L"SABreak%p", pCurProcInfo);
_stprintf(eventWaitName, L"SAWait%p", pCurProcInfo);
_stprintf(eventTerminateName, L"SATerm%p", pCurProcInfo);
pCurProcInfo -> eventBreak = CreateEventW(NULL, TRUE, FALSE, eventBreakName);
ResetEvent(pCurProcInfo -> eventBreak);
pCurProcInfo -> eventWait = CreateEventW(NULL, TRUE, FALSE, eventWaitName);
ResetEvent(pCurProcInfo -> eventWait);
pCurProcInfo -> eventTerminate = CreateEventW(NULL, TRUE, FALSE, eventTerminateName);
ResetEvent(pCurProcInfo -> eventTerminate);
nPos = _stprintf(szCmdLine, L"%sstarter.exe %i %i %s %s %s ", path, pid, nLocalCounter, eventBreakName, eventWaitName, eventTerminateName);
// Prepare command line
for(i = 0; i < nCmdTokens; ++i)
{
jobject item = (*env) -> GetObjectArrayElement(env, cmdarray, i);
jsize len = (*env) -> GetStringLength(env, item);
int nCpyLen;
const _TCHAR * str = (*env) -> GetStringChars(env, item, 0);
if(NULL != str)
{
if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, MAX_CMD_SIZE - nPos)))
{
ThrowByName(env, "java/io/IOException", "Too long command line");
return 0;
}
nPos += nCpyLen;
szCmdLine[nPos] = _T(' ');
++nPos;
(*env) -> ReleaseStringChars(env, item, str);
}
}
szCmdLine[nPos] = _T('\0');
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("There are %i environment variables \n"), nEnvVars);
OutputDebugStringW(buffer);
#endif
// Prepare environment block
if (nEnvVars > 0)
{
nPos = 0;
szEnvBlock = (_TCHAR *)malloc(nBlkSize * sizeof(_TCHAR));
for(i = 0; i < nEnvVars; ++i)
{
jobject item = (*env) -> GetObjectArrayElement(env, envp, i);
jsize len = (*env) -> GetStringLength(env, item);
const _TCHAR * str = (*env) -> GetStringChars(env, item, 0);
if(NULL != str)
{
while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0'
{
nBlkSize += MAX_ENV_SIZE;
szEnvBlock = (_TCHAR *)realloc(szEnvBlock, nBlkSize * sizeof(_TCHAR));
if(NULL == szEnvBlock)
{
ThrowByName(env, "java/io/IOException", "Not enough memory");
return 0;
}
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Realloc environment block; new length is %i \n"), nBlkSize);
OutputDebugStringW(buffer);
#endif
}
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("%s\n"), str);
OutputDebugStringW(buffer);
#endif
_tcsncpy(szEnvBlock + nPos, str, len);
nPos += len;
szEnvBlock[nPos] = _T('\0');
++nPos;
(*env) -> ReleaseStringChars(env, item, str);
}
}
szEnvBlock[nPos] = _T('\0');
}
if (dir != 0)
{
const _TCHAR * str = (*env) -> GetStringChars(env, dir, 0);
if(NULL != str)
{
cwd = _tcsdup(str);
(*env) -> ReleaseStringChars(env, dir, str);
}
}
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
si.dwFlags |= STARTF_USESHOWWINDOW;
si.wShowWindow = SW_HIDE; // Processes in the Process Group are hidden
SetHandleInformation(stdHandles[0], HANDLE_FLAG_INHERIT, FALSE);
SetHandleInformation(stdHandles[1], HANDLE_FLAG_INHERIT, FALSE);
SetHandleInformation(stdHandles[2], HANDLE_FLAG_INHERIT, FALSE);
flags = CREATE_NEW_CONSOLE;
flags |= CREATE_NO_WINDOW;
flags |= CREATE_UNICODE_ENVIRONMENT;
#ifdef DEBUG_MONITOR
OutputDebugStringW(szCmdLine);
#endif
// launches starter; we need it to create another console group to correctly process
// emulation of SYSint signal (Ctrl-C)
ret = CreateProcessW(0, /* executable name */
szCmdLine, /* command line */
0, /* process security attribute */
0, /* thread security attribute */
FALSE, /* inherits system handles */
flags, /* normal attached process */
szEnvBlock, /* environment block */
cwd, /* change to the new current directory */
&si, /* (in) startup information */
&pi); /* (out) process information */
if(NULL != cwd)
free((void *)cwd);
if(NULL != szEnvBlock)
free(szEnvBlock);
if (!ret) // Launching error
{
char * lpMsgBuf;
CloseHandle(stdHandles[0]);
CloseHandle(stdHandles[1]);
CloseHandle(stdHandles[2]);
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(char *)&lpMsgBuf,
0,
NULL
);
ThrowByName(env, "java/io/IOException", lpMsgBuf);
// Free the buffer.
LocalFree( lpMsgBuf );
cleanUpProcBlock(pCurProcInfo);
ret = -1;
}
else
{
int file_handles[3];
HANDLE h[2];
int what;
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
EnterCriticalSection(&cs);
pCurProcInfo -> pid = pi.dwProcessId;
h[0] = pCurProcInfo -> eventWait;
h[1] = (HANDLE)_beginthreadex(NULL, 0, waitProcTermination,
(void *) pi.dwProcessId, 0, (UINT*) &dwThreadId);
what = WaitForMultipleObjects(2, h, FALSE, INFINITE);
if((what != WAIT_OBJECT_0) && (pCurProcInfo -> pid > 0)) // CreateProcess failed
{
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Process %i failed\n"), pi.dwProcessId);
OutputDebugStringW(buffer);
#endif
cleanUpProcBlock(pCurProcInfo);
ThrowByName(env, "java/io/IOException", "Launching failed");
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Process failed\n"));
#endif
}
else
{
ret = (long)(pCurProcInfo -> uid);
// Prepare stream handlers to return to java program
file_handles[0] = (int)stdHandles[0];
file_handles[1] = (int)stdHandles[1];
file_handles[2] = (int)stdHandles[2];
(*env) -> SetIntArrayRegion(env, channels, 0, 3, (jint *)file_handles);
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Process started\n"));
#endif
}
CloseHandle(h[1]);
LeaveCriticalSection(&cs);
}
return ret;
}
/////////////////////////////////////////////////////////////////////////////////////
// Launcher; just launches process and don't care about it any more
// Arguments: (see Spawner.java)
// [in] cmdarray - array of command line elements
// [in] envp - array of environment variables
// [in] dir - working directory
/////////////////////////////////////////////////////////////////////////////////////
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec1
(JNIEnv * env, jobject process, jobjectArray cmdarray, jobjectArray envp, jstring dir)
{
SECURITY_ATTRIBUTES sa;
PROCESS_INFORMATION pi = {0};
STARTUPINFOW si;
DWORD flags = 0;
_TCHAR * cwd = NULL;
_TCHAR * envBlk = NULL;
int ret = 0;
jsize nCmdTokens = 0;
jsize nEnvVars = 0;
int i;
int nPos;
_TCHAR szCmdLine[MAX_CMD_SIZE];
int nBlkSize = MAX_ENV_SIZE;
_TCHAR * szEnvBlock = NULL;
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = 0;
sa.bInheritHandle = TRUE;
nCmdTokens = (*env) -> GetArrayLength(env, cmdarray);
nEnvVars = (*env) -> GetArrayLength(env, envp);
nPos = 0;
// Prepare command line
for(i = 0; i < nCmdTokens; ++i)
{
jobject item = (*env) -> GetObjectArrayElement(env, cmdarray, i);
jsize len = (*env) -> GetStringLength(env, item);
int nCpyLen;
const _TCHAR * str = (*env) -> GetStringChars(env, item, 0);
if(NULL != str)
{
if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, MAX_CMD_SIZE - nPos)))
{
ThrowByName(env, "java/io/Exception", "Too long command line");
return 0;
}
nPos += nCpyLen;
szCmdLine[nPos] = _T(' ');
++nPos;
(*env) -> ReleaseStringChars(env, item, str);
}
}
szCmdLine[nPos] = _T('\0');
// Prepare environment block
if (nEnvVars > 0)
{
szEnvBlock = (_TCHAR *)malloc(nBlkSize * sizeof(_TCHAR));
nPos = 0;
for(i = 0; i < nEnvVars; ++i)
{
jobject item = (*env) -> GetObjectArrayElement(env, envp, i);
jsize len = (*env) -> GetStringLength(env, item);
const _TCHAR * str = (*env) -> GetStringChars(env, item, 0);
if(NULL != str)
{
while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0'
{
nBlkSize += MAX_ENV_SIZE;
szEnvBlock = (_TCHAR *)realloc(szEnvBlock, nBlkSize * sizeof(_TCHAR));
if(NULL == szEnvBlock)
{
ThrowByName(env, "java/io/Exception", "Not enough memory");
return 0;
}
}
_tcsncpy(szEnvBlock + nPos, str, len);
nPos += len;
szEnvBlock[nPos] = _T('\0');
++nPos;
(*env) -> ReleaseStringChars(env, item, str);
}
}
szEnvBlock[nPos] = _T('\0');
envBlk = szEnvBlock;
}
if (dir != 0)
{
const _TCHAR * str = (*env) -> GetStringChars(env, dir, 0);
if(NULL != str)
{
cwd = _tcsdup(str);
(*env) -> ReleaseStringChars(env, dir, str);
}
}
ZeroMemory(&si, sizeof(si));
si.cb = sizeof(si);
flags = CREATE_NEW_CONSOLE;
flags |= CREATE_UNICODE_ENVIRONMENT;
ret = CreateProcessW(0, /* executable name */
szCmdLine, /* command line */
0, /* process security attribute */
0, /* thread security attribute */
TRUE, /* inherits system handles */
flags, /* normal attached process */
envBlk, /* environment block */
cwd, /* change to the new current directory */
&si, /* (in) startup information */
&pi); /* (out) process information */
if(NULL != cwd)
free(cwd);
if(NULL != szEnvBlock)
free(szEnvBlock);
if (!ret) // error
{
char * lpMsgBuf;
FormatMessage(
FORMAT_MESSAGE_ALLOCATE_BUFFER |
FORMAT_MESSAGE_FROM_SYSTEM |
FORMAT_MESSAGE_IGNORE_INSERTS,
NULL,
GetLastError(),
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), // Default language
(char *)&lpMsgBuf,
0,
NULL
);
ThrowByName(env, "java/io/IOException", lpMsgBuf);
// Free the buffer.
LocalFree( lpMsgBuf );
ret = -1;
}
else
{
// Clean-up
CloseHandle(pi.hThread);
CloseHandle(pi.hProcess);
ret = (long)pi.dwProcessId; //hProcess;
}
return ret;
}
/////////////////////////////////////////////////////////////////////////////////////
// Emulation of the signal raising
// Arguments: (see Spawner.java)
// [in] uid - unique process ID
// [in] signal - signal to raise
/////////////////////////////////////////////////////////////////////////////////////
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_raise
(JNIEnv * env, jobject process, jint uid, jint signal)
{
jint ret = 0;
HANDLE hProc;
pProcInfo_t pCurProcInfo = findProcInfo(uid);
#ifdef DEBUG_MONITOR
_TCHAR buffer[100];
#endif
if(NULL == pCurProcInfo) {
if(SIG_INT == signal) { // Try another way
return interruptProcess(uid) ;
}
return -1;
}
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Spawner received signal %i for process %i\n"), signal, pCurProcInfo -> pid);
OutputDebugStringW(buffer);
#endif
hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, pCurProcInfo -> pid);
if(NULL == hProc)
return -1;
switch(signal)
{
case SIG_NOOP:
// Wait 0 msec -just check if the process has been still running
ret = ((WAIT_TIMEOUT == WaitForSingleObject(hProc, 0)) ? 0 : -1);
break;
case SIG_HUP:
// Temporary do nothing
ret = 0;
break;
case SIG_KILL:
case SIG_TERM:
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Spawner received KILL or TERM signal for process %i\n"),
pCurProcInfo -> pid);
OutputDebugStringW(buffer);
#endif
SetEvent(pCurProcInfo -> eventTerminate);
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Spawner signalled KILL event\n"));
#endif
ret = 0;
break;
case SIG_INT:
ResetEvent(pCurProcInfo -> eventWait);
PulseEvent(pCurProcInfo -> eventBreak);
ret = (WaitForSingleObject(pCurProcInfo -> eventWait, 100) == WAIT_OBJECT_0);
break;
default:
break;
}
CloseHandle(hProc);
return ret;
}
/////////////////////////////////////////////////////////////////////////////////////
// Wait for process termination
// Arguments: (see Spawner.java)
// [in] uid - unique process ID
/////////////////////////////////////////////////////////////////////////////////////
JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor
(JNIEnv * env, jobject process, jint uid)
{
long exit_code;
int what=0;
HANDLE hProc;
pProcInfo_t pCurProcInfo = findProcInfo(uid);
if(NULL == pCurProcInfo)
return -1;
hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, pCurProcInfo -> pid);
if(NULL == hProc)
return -1;
what = WaitForSingleObject(hProc, INFINITE);
if (what == WAIT_OBJECT_0)
{
GetExitCodeProcess(hProc, &exit_code);
}
if(hProc)
CloseHandle(hProc);
return exit_code;
}
// Utilities
/////////////////////////////////////////////////////////////////////////////////////
// Throws Java exception (will be trapped by VM).
// Arguments:
// [in] name - name of exception class
// [in] message to assign thi event
/////////////////////////////////////////////////////////////////////////////////////
JNIEXPORT void JNICALL
ThrowByName(JNIEnv *env, const char *name, const char *msg)
{
jclass cls = (*env)->FindClass(env, name);
if (cls != 0) /* Otherwise an exception has already been thrown */
(*env)->ThrowNew(env, cls, msg);
/* It's a good practice to clean up the local references. */
(*env)->DeleteLocalRef(env, cls);
}
/////////////////////////////////////////////////////////////////////////////////////
// Create process description block.
// Arguments: no
// Return : pointer to the process descriptor
/////////////////////////////////////////////////////////////////////////////////////
pProcInfo_t createProcInfo()
{
int i;
pProcInfo_t p = NULL;
EnterCriticalSection(&cs);
if(NULL == pInfo)
{
pInfo = malloc(sizeof(procInfo_t) * MAX_PROCS);
ZeroMemory(pInfo, sizeof(procInfo_t) * MAX_PROCS);
}
for(i = 0; i < MAX_PROCS; ++i)
{
if(pInfo[i].pid == 0)
{
pInfo[i].pid = -1;
pInfo[i].uid = ++procCounter;
p = pInfo + i;
break;
}
}
LeaveCriticalSection(&cs);
return p;
}
/////////////////////////////////////////////////////////////////////////////////////
// Using unique process ID finds process descriptor
// Arguments: no
// Return : pointer to the process descriptor
/////////////////////////////////////////////////////////////////////////////////////
pProcInfo_t findProcInfo(int uid)
{
int i;
pProcInfo_t p = NULL;
if(NULL == pInfo)
return NULL;
for(i = 0; i < MAX_PROCS; ++i)
{
if(pInfo[i].uid == uid)
{
p = pInfo + i;
break;
}
}
return p;
}
/////////////////////////////////////////////////////////////////////////////////////
// Cleans up vacant process descriptor
// Arguments:
// pCurProcInfo - pointer to descriptor to clean up
// Return : no
void cleanUpProcBlock(pProcInfo_t pCurProcInfo)
{
if(0 != pCurProcInfo -> eventBreak)
{
CloseHandle(pCurProcInfo -> eventBreak);
pCurProcInfo -> eventBreak = 0;
}
if(0 != pCurProcInfo -> eventWait)
{
CloseHandle(pCurProcInfo -> eventWait);
pCurProcInfo -> eventWait = 0;
}
if(0 != pCurProcInfo -> eventTerminate)
{
CloseHandle(pCurProcInfo -> eventTerminate);
pCurProcInfo -> eventTerminate = 0;
}
pCurProcInfo -> pid = 0;
}
/////////////////////////////////////////////////////////////////////////////////////
// Running in separae thread and waiting for the process termination
// Arguments:
// pv - (int)pv is a pid
// Return : always 0
/////////////////////////////////////////////////////////////////////////////////////
unsigned int _stdcall waitProcTermination(void* pv)
{
int i;
int pid = (int)pv;
#ifdef DEBUG_MONITOR
_TCHAR buffer[1000];
#endif
HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, pid);
if(NULL == hProc)
{
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("waitProcTermination: cannot get handler for PID %i (error %i)\n"),
pid,
GetLastError());
OutputDebugStringW(buffer);
#endif
}
else
{
WaitForSingleObject(hProc, INFINITE);
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("Process PID %i terminated\n"), pid);
OutputDebugStringW(buffer);
#endif
}
for(i = 0; i < MAX_PROCS; ++i)
{
if(pInfo[i].pid == pid)
{
if(WaitForSingleObject(pInfo[i].eventWait, 1) == WAIT_OBJECT_0) // Correct finish
{
#ifdef DEBUG_MONITOR
_stprintf(buffer, _T("waitProcTermination: set PID %i to 0\n"),
pid,
GetLastError());
OutputDebugStringW(buffer);
#endif
cleanUpProcBlock(pInfo + i);
}
break;
} // Otherwise failed because was not started
}
CloseHandle(hProc);
return 0;
}
/////////////////////////////////////////////////////////////////////////////////////
// Use this utility program to process correctly quotation marks in the command line
// Arguments:
// target - string to copy to
// source - string to copy from
// cpyLength - copy length
// availSpace - size of the target buffer
// Return :number of bytes used in target, or -1 in case of error
/////////////////////////////////////////////////////////////////////////////////////
int copyTo(_TCHAR * target, const _TCHAR * source, int cpyLength, int availSpace)
{
BOOL bSlash = FALSE;
int i = 0, j = 0;
int totCpyLength = cpyLength;
#define QUOTATION_DO 0
#define QUOTATION_DONE 1
#define QUOTATION_NONE 2
int nQuotationMode = 0;
if(availSpace <= cpyLength) // = to reserve space for final '\0'
return -1;
if((_T('\"') == *source) && (_T('\"') == *(source + cpyLength - 1)))
{
nQuotationMode = QUOTATION_DONE;
}
else
if(_tcschr(source, _T(' ')) == NULL)
{
// No reason to quotate term becase it doesn't have embedded spaces
nQuotationMode = QUOTATION_NONE;
}
else
{
// Needs to be quotated
nQuotationMode = QUOTATION_DO;
*target = _T('\"');
++j;
}
for(; i < cpyLength; ++i, ++j)
{
if(source[i] == _T('\\'))
bSlash = TRUE;
else
{
// Don't escape embracing quotation marks
if((source[i] == _T('\"')) && !((nQuotationMode == QUOTATION_DONE) && ((i == 0) || (i == (cpyLength - 1))) ) )
{
if(!bSlash) // If still not escaped
{
if(j == availSpace)
return -1;
target[j] = _T('\\');
++j;
}
}
bSlash = FALSE;
}
if(j == availSpace)
return -1;
target[j] = source[i];
}
if(nQuotationMode == QUOTATION_DO)
{
if(j == availSpace)
return -1;
target[j] = _T('\"');
++j;
}
return j;
}
