diff --git a/core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c b/core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c index a387d391f78..b2dae5ab616 100644 --- a/core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c +++ b/core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c @@ -1,981 +1,961 @@ -/******************************************************************************* - * Copyright (c) 2002, 2007 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 - * Wind River Systems, Inc. - * - * Win32ProcessEx.c - * - * This is a JNI implementation of spawner - *******************************************************************************/ - -#include "stdafx.h" -#include -#include -#include -#include "Spawner.h" - -#include "jni.h" -#include "io.h" - - -#define PIPE_SIZE 512 // Size of pipe buffer -#define MAX_CMD_SIZE 2049 // Initial 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 -void 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(wchar_t * target, const wchar_t * 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 wchar_t 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 -///////////////////////////////////////////////////////////////////////////////////// - -extern "C" -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; -} - -void ensureSize(wchar_t** ptr, int* psize, int requiredLength) -{ - int size= *psize; - if (requiredLength > size) { - size= 2*size; - if (size < requiredLength) { - size= requiredLength; - } - *ptr= (wchar_t *)realloc(*ptr, size * sizeof(wchar_t)); - if (NULL == *ptr) { - *psize= 0; - } - else { - *psize= size; - } - } -} - -extern "C" -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 wchar_t * cwd = NULL; - LPVOID envBlk = NULL; - int ret = 0; - int nCmdLineLength= 0; - wchar_t * szCmdLine= 0; - int nBlkSize = MAX_ENV_SIZE; - wchar_t * szEnvBlock = NULL; - jsize nCmdTokens = 0; - jsize nEnvVars = 0; - int i; - DWORD pid = GetCurrentProcessId(); - int nPos; - pProcInfo_t pCurProcInfo; - DWORD dwThreadId; - wchar_t eventBreakName[20]; - wchar_t eventWaitName[20]; - wchar_t eventTerminateName[20]; -#ifdef DEBUG_MONITOR - wchar_t buffer[1000]; -#endif - int nLocalCounter; - wchar_t inPipeName[PIPE_NAME_LENGTH]; - wchar_t outPipeName[PIPE_NAME_LENGTH]; - wchar_t errPipeName[PIPE_NAME_LENGTH]; - - nCmdLineLength= MAX_CMD_SIZE; - szCmdLine= (wchar_t *)malloc(nCmdLineLength * sizeof(wchar_t)); - szCmdLine[0]= _T('\0'); - 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); - swprintf(inPipeName, L"\\\\.\\pipe\\stdin%08i%010i", pid, nCounter); - swprintf(outPipeName, L"\\\\.\\pipe\\stdout%08i%010i", pid, nCounter); - swprintf(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 - swprintf(buffer, _T("Opened pipes: %s, %s, %s\n"), inPipeName, outPipeName, errPipeName); - OutputDebugStringW(buffer); -#endif - - - nCmdTokens = env->GetArrayLength(cmdarray); - nEnvVars = env->GetArrayLength(envp); - - pCurProcInfo = createProcInfo(); - - if(NULL == pCurProcInfo) - { - ThrowByName(env, "java/io/IOException", "Too many processes"); - return 0; - } - - // Construct starter's command line - swprintf(eventBreakName, L"SABreak%p", pCurProcInfo); - swprintf(eventWaitName, L"SAWait%p", pCurProcInfo); - swprintf(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); - - swprintf(szCmdLine, L"\"%sstarter.exe\" %i %i %s %s %s ", path, pid, nLocalCounter, eventBreakName, eventWaitName, eventTerminateName); - nPos = wcslen(szCmdLine); - - // Prepare command line - for(i = 0; i < nCmdTokens; ++i) - { - jstring item = (jstring)env->GetObjectArrayElement(cmdarray, i); - jsize len = env->GetStringLength(item); - int nCpyLen; - const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); - if(NULL != str) - { - int requiredSize= nPos+len+2; - if (requiredSize > 32*1024) { - ThrowByName(env, "java/io/IOException", "Command line too long"); - return 0; - } - ensureSize(&szCmdLine, &nCmdLineLength, requiredSize); - if (NULL == szCmdLine) { - ThrowByName(env, "java/io/IOException", "Not enough memory"); - return 0; - } - - if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, nCmdLineLength - nPos))) - { - ThrowByName(env, "java/io/IOException", "Command line too long"); - return 0; - } - nPos += nCpyLen; - szCmdLine[nPos] = _T(' '); - ++nPos; - env->ReleaseStringChars(item, (const jchar *)str); - } - } - szCmdLine[nPos] = _T('\0'); - -#ifdef DEBUG_MONITOR - swprintf(buffer, _T("There are %i environment variables \n"), nEnvVars); - OutputDebugStringW(buffer); -#endif - // Prepare environment block - if (nEnvVars > 0) - { - nPos = 0; - szEnvBlock = (wchar_t *)malloc(nBlkSize * sizeof(wchar_t)); - for(i = 0; i < nEnvVars; ++i) - { - jstring item = (jstring)env->GetObjectArrayElement(envp, i); - jsize len = env->GetStringLength(item); - const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); - if(NULL != str) - { - while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0' - { - nBlkSize += MAX_ENV_SIZE; - szEnvBlock = (wchar_t *)realloc(szEnvBlock, nBlkSize * sizeof(wchar_t)); - if(NULL == szEnvBlock) - { - ThrowByName(env, "java/io/IOException", "Not enough memory"); - return 0; - } -#ifdef DEBUG_MONITOR - swprintf(buffer, _T("Realloc environment block; new length is %i \n"), nBlkSize); - OutputDebugStringW(buffer); -#endif - - } -#ifdef DEBUG_MONITOR - swprintf(buffer, _T("%s\n"), str); - OutputDebugStringW(buffer); -#endif - wcsncpy(szEnvBlock + nPos, str, len); - nPos += len; - szEnvBlock[nPos] = _T('\0'); - ++nPos; - env->ReleaseStringChars(item, (const jchar *)str); - } - } - szEnvBlock[nPos] = _T('\0'); - } - - - - if (dir != 0) - { - const wchar_t * str = (const wchar_t *)env->GetStringChars(dir, 0); - if(NULL != str) - { - cwd = wcsdup(str); - env->ReleaseStringChars(dir, (const jchar *)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(NULL != szCmdLine) - free(szCmdLine); - - if (!ret) // Launching error - { - char * lpMsgBuf; - CloseHandle(stdHandles[0]); - CloseHandle(stdHandles[1]); - CloseHandle(stdHandles[2]); - FormatMessageA( - 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; - - 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 - swprintf(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(channels, 0, 3, (jint *)file_handles); -#ifdef DEBUG_MONITOR - OutputDebugStringW(_T("Process started\n")); -#endif - } - CloseHandle(h[1]); - LeaveCriticalSection(&cs); - - } - - CloseHandle(pi.hThread); - CloseHandle(pi.hProcess); - - 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 -///////////////////////////////////////////////////////////////////////////////////// -extern "C" -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; - wchar_t * cwd = NULL; - wchar_t * envBlk = NULL; - int ret = 0; - jsize nCmdTokens = 0; - jsize nEnvVars = 0; - int i; - int nPos; - int nCmdLineLength= 0; - wchar_t * szCmdLine= 0; - int nBlkSize = MAX_ENV_SIZE; - wchar_t * szEnvBlock = NULL; - - nCmdLineLength= MAX_CMD_SIZE; - szCmdLine= (wchar_t *)malloc(nCmdLineLength * sizeof(wchar_t)); - szCmdLine[0]= 0; - - sa.nLength = sizeof(sa); - sa.lpSecurityDescriptor = 0; - sa.bInheritHandle = TRUE; - - - nCmdTokens = env->GetArrayLength(cmdarray); - nEnvVars = env->GetArrayLength(envp); - - nPos = 0; - - // Prepare command line - for(i = 0; i < nCmdTokens; ++i) - { - jstring item = (jstring)env->GetObjectArrayElement(cmdarray, i); - jsize len = env->GetStringLength(item); - int nCpyLen; - const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); - if(NULL != str) - { - int requiredSize= nPos+len+2; - if (requiredSize > 32*1024) { - ThrowByName(env, "java/io/IOException", "Command line too long"); - return 0; - } - ensureSize(&szCmdLine, &nCmdLineLength, requiredSize); - if (NULL == szCmdLine) { - ThrowByName(env, "java/io/IOException", "Not enough memory"); - return 0; - } - - if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, nCmdLineLength - nPos))) - { - ThrowByName(env, "java/io/Exception", "Command line too long"); - return 0; - } - nPos += nCpyLen; - szCmdLine[nPos] = _T(' '); - ++nPos; - env->ReleaseStringChars(item, (const jchar *)str); - } - } - - szCmdLine[nPos] = _T('\0'); - - // Prepare environment block - if (nEnvVars > 0) - { - szEnvBlock = (wchar_t *)malloc(nBlkSize * sizeof(wchar_t)); - nPos = 0; - for(i = 0; i < nEnvVars; ++i) - { - jstring item = (jstring)env->GetObjectArrayElement(envp, i); - jsize len = env->GetStringLength(item); - const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); - if(NULL != str) - { - while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0' - { - nBlkSize += MAX_ENV_SIZE; - szEnvBlock = (wchar_t *)realloc(szEnvBlock, nBlkSize * sizeof(wchar_t)); - if(NULL == szEnvBlock) - { - ThrowByName(env, "java/io/Exception", "Not enough memory"); - return 0; - } - } - wcsncpy(szEnvBlock + nPos, str, len); - nPos += len; - szEnvBlock[nPos] = _T('\0'); - ++nPos; - env->ReleaseStringChars(item, (const jchar *)str); - } - } - szEnvBlock[nPos] = _T('\0'); - envBlk = szEnvBlock; - } - - - - if (dir != 0) - { - const wchar_t * str = (const wchar_t *)env->GetStringChars(dir, 0); - if(NULL != str) - { - cwd = wcsdup(str); - env->ReleaseStringChars(dir, (const jchar *)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(NULL != szCmdLine) - free(szCmdLine); - - 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 - (wchar_t *)&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 -///////////////////////////////////////////////////////////////////////////////////// -extern "C" -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 - wchar_t buffer[100]; -#endif - - if(NULL == pCurProcInfo) { - if(SIG_INT == signal) { // Try another way - return interruptProcess(uid) ; - } - return -1; - } - -#ifdef DEBUG_MONITOR - swprintf(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 - swprintf(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 -///////////////////////////////////////////////////////////////////////////////////// -extern "C" -JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor - (JNIEnv * env, jobject process, jint uid) -{ - DWORD 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 -///////////////////////////////////////////////////////////////////////////////////// -void ThrowByName(JNIEnv *env, const char *name, const char *msg) -{ - jclass cls = env->FindClass(name); - - if (cls != 0) /* Otherwise an exception has already been thrown */ - env->ThrowNew(cls, msg); - - /* It's a good practice to clean up the local references. */ - env->DeleteLocalRef(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 = (pProcInfo_t)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 - wchar_t buffer[1000]; -#endif - - HANDLE hProc = OpenProcess(PROCESS_ALL_ACCESS, 0, pid); - - if(NULL == hProc) - { -#ifdef DEBUG_MONITOR - swprintf(buffer, _T("waitProcTermination: cannot get handler for PID %i (error %i)\n"), - pid, - GetLastError()); - OutputDebugStringW(buffer); -#endif - } - else - { - WaitForSingleObject(hProc, INFINITE); -#ifdef DEBUG_MONITOR - swprintf(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 - swprintf(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(wchar_t * target, const wchar_t * 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(wcschr(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; -} +/******************************************************************************* + * Copyright (c) 2002, 2008 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 + * Wind River Systems, Inc. + * + * Win32ProcessEx.c + * + * This is a JNI implementation of spawner + *******************************************************************************/ + +#include "stdafx.h" +#include +#include +#include +#include "Spawner.h" + +#include "jni.h" +#include "io.h" + + +#define PIPE_SIZE 512 // Size of pipe buffer +#define MAX_CMD_SIZE 2049 // Initial 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 +void 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 +void _cdecl waitProcTermination(void* pv) ; + +// This is a helper function to prevent losing of quotatin marks +static int copyTo(wchar_t * target, const wchar_t * 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 wchar_t 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 +///////////////////////////////////////////////////////////////////////////////////// + +extern "C" +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; +} + +void ensureSize(wchar_t** ptr, int* psize, int requiredLength) +{ + int size= *psize; + if (requiredLength > size) { + size= 2*size; + if (size < requiredLength) { + size= requiredLength; + } + *ptr= (wchar_t *)realloc(*ptr, size * sizeof(wchar_t)); + if (NULL == *ptr) { + *psize= 0; + } + else { + *psize= size; + } + } +} + +extern "C" +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}, *piCopy; + STARTUPINFOW si; + DWORD flags = 0; + const wchar_t * cwd = NULL; + LPVOID envBlk = NULL; + int ret = 0; + int nCmdLineLength= 0; + wchar_t * szCmdLine= 0; + int nBlkSize = MAX_ENV_SIZE; + wchar_t * szEnvBlock = NULL; + jsize nCmdTokens = 0; + jsize nEnvVars = 0; + int i; + DWORD pid = GetCurrentProcessId(); + int nPos; + pProcInfo_t pCurProcInfo; + wchar_t eventBreakName[20]; + wchar_t eventWaitName[20]; + wchar_t eventTerminateName[20]; +#ifdef DEBUG_MONITOR + wchar_t buffer[1000]; +#endif + int nLocalCounter; + wchar_t inPipeName[PIPE_NAME_LENGTH]; + wchar_t outPipeName[PIPE_NAME_LENGTH]; + wchar_t errPipeName[PIPE_NAME_LENGTH]; + + nCmdLineLength= MAX_CMD_SIZE; + szCmdLine= (wchar_t *)malloc(nCmdLineLength * sizeof(wchar_t)); + szCmdLine[0]= _T('\0'); + 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); + swprintf(inPipeName, L"\\\\.\\pipe\\stdin%08i%010i", pid, nCounter); + swprintf(outPipeName, L"\\\\.\\pipe\\stdout%08i%010i", pid, nCounter); + swprintf(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 + swprintf(buffer, _T("Opened pipes: %s, %s, %s\n"), inPipeName, outPipeName, errPipeName); + OutputDebugStringW(buffer); +#endif + + + nCmdTokens = env->GetArrayLength(cmdarray); + nEnvVars = env->GetArrayLength(envp); + + pCurProcInfo = createProcInfo(); + + if(NULL == pCurProcInfo) + { + ThrowByName(env, "java/io/IOException", "Too many processes"); + return 0; + } + + // Construct starter's command line + swprintf(eventBreakName, L"SABreak%p", pCurProcInfo); + swprintf(eventWaitName, L"SAWait%p", pCurProcInfo); + swprintf(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); + + swprintf(szCmdLine, L"\"%sstarter.exe\" %i %i %s %s %s ", path, pid, nLocalCounter, eventBreakName, eventWaitName, eventTerminateName); + nPos = wcslen(szCmdLine); + + // Prepare command line + for(i = 0; i < nCmdTokens; ++i) + { + jstring item = (jstring)env->GetObjectArrayElement(cmdarray, i); + jsize len = env->GetStringLength(item); + int nCpyLen; + const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); + if(NULL != str) + { + int requiredSize= nPos+len+2; + if (requiredSize > 32*1024) { + ThrowByName(env, "java/io/IOException", "Command line too long"); + return 0; + } + ensureSize(&szCmdLine, &nCmdLineLength, requiredSize); + if (NULL == szCmdLine) { + ThrowByName(env, "java/io/IOException", "Not enough memory"); + return 0; + } + + if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, nCmdLineLength - nPos))) + { + ThrowByName(env, "java/io/IOException", "Command line too long"); + return 0; + } + nPos += nCpyLen; + szCmdLine[nPos] = _T(' '); + ++nPos; + env->ReleaseStringChars(item, (const jchar *)str); + } + } + szCmdLine[nPos] = _T('\0'); + +#ifdef DEBUG_MONITOR + swprintf(buffer, _T("There are %i environment variables \n"), nEnvVars); + OutputDebugStringW(buffer); +#endif + // Prepare environment block + if (nEnvVars > 0) + { + nPos = 0; + szEnvBlock = (wchar_t *)malloc(nBlkSize * sizeof(wchar_t)); + for(i = 0; i < nEnvVars; ++i) + { + jstring item = (jstring)env->GetObjectArrayElement(envp, i); + jsize len = env->GetStringLength(item); + const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); + if(NULL != str) + { + while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0' + { + nBlkSize += MAX_ENV_SIZE; + szEnvBlock = (wchar_t *)realloc(szEnvBlock, nBlkSize * sizeof(wchar_t)); + if(NULL == szEnvBlock) + { + ThrowByName(env, "java/io/IOException", "Not enough memory"); + return 0; + } +#ifdef DEBUG_MONITOR + swprintf(buffer, _T("Realloc environment block; new length is %i \n"), nBlkSize); + OutputDebugStringW(buffer); +#endif + + } +#ifdef DEBUG_MONITOR + swprintf(buffer, _T("%s\n"), str); + OutputDebugStringW(buffer); +#endif + wcsncpy(szEnvBlock + nPos, str, len); + nPos += len; + szEnvBlock[nPos] = _T('\0'); + ++nPos; + env->ReleaseStringChars(item, (const jchar *)str); + } + } + szEnvBlock[nPos] = _T('\0'); + } + + + + if (dir != 0) + { + const wchar_t * str = (const wchar_t *)env->GetStringChars(dir, 0); + if(NULL != str) + { + cwd = wcsdup(str); + env->ReleaseStringChars(dir, (const jchar *)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(NULL != szCmdLine) + free(szCmdLine); + + if (!ret) // Launching error + { + char * lpMsgBuf; + CloseHandle(stdHandles[0]); + CloseHandle(stdHandles[1]); + CloseHandle(stdHandles[2]); + FormatMessageA( + 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; + + EnterCriticalSection(&cs); + + pCurProcInfo -> pid = pi.dwProcessId; + h[0] = pCurProcInfo -> eventWait; + h[1] = pi.hProcess; + + what = WaitForMultipleObjects(2, h, FALSE, INFINITE); + if(what != WAIT_OBJECT_0) // CreateProcess failed + { +#ifdef DEBUG_MONITOR + swprintf(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(channels, 0, 3, (jint *)file_handles); + + // do the cleanup so launch the according thread + // create a copy of the PROCESS_INFORMATION as this might get destroyed + piCopy = (PROCESS_INFORMATION *)malloc(sizeof(PROCESS_INFORMATION)); + memcpy(piCopy, &pi, sizeof(PROCESS_INFORMATION)); + _beginthread(waitProcTermination, 0, (void *)piCopy); + +#ifdef DEBUG_MONITOR + OutputDebugStringW(_T("Process started\n")); +#endif + } + LeaveCriticalSection(&cs); + + } + + CloseHandle(pi.hThread); + + 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 +///////////////////////////////////////////////////////////////////////////////////// +extern "C" +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; + wchar_t * cwd = NULL; + wchar_t * envBlk = NULL; + int ret = 0; + jsize nCmdTokens = 0; + jsize nEnvVars = 0; + int i; + int nPos; + int nCmdLineLength= 0; + wchar_t * szCmdLine= 0; + int nBlkSize = MAX_ENV_SIZE; + wchar_t * szEnvBlock = NULL; + + nCmdLineLength= MAX_CMD_SIZE; + szCmdLine= (wchar_t *)malloc(nCmdLineLength * sizeof(wchar_t)); + szCmdLine[0]= 0; + + sa.nLength = sizeof(sa); + sa.lpSecurityDescriptor = 0; + sa.bInheritHandle = TRUE; + + + nCmdTokens = env->GetArrayLength(cmdarray); + nEnvVars = env->GetArrayLength(envp); + + nPos = 0; + + // Prepare command line + for(i = 0; i < nCmdTokens; ++i) + { + jstring item = (jstring)env->GetObjectArrayElement(cmdarray, i); + jsize len = env->GetStringLength(item); + int nCpyLen; + const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); + if(NULL != str) + { + int requiredSize= nPos+len+2; + if (requiredSize > 32*1024) { + ThrowByName(env, "java/io/IOException", "Command line too long"); + return 0; + } + ensureSize(&szCmdLine, &nCmdLineLength, requiredSize); + if (NULL == szCmdLine) { + ThrowByName(env, "java/io/IOException", "Not enough memory"); + return 0; + } + + if(0 > (nCpyLen = copyTo(szCmdLine + nPos, str, len, nCmdLineLength - nPos))) + { + ThrowByName(env, "java/io/Exception", "Command line too long"); + return 0; + } + nPos += nCpyLen; + szCmdLine[nPos] = _T(' '); + ++nPos; + env->ReleaseStringChars(item, (const jchar *)str); + } + } + + szCmdLine[nPos] = _T('\0'); + + // Prepare environment block + if (nEnvVars > 0) + { + szEnvBlock = (wchar_t *)malloc(nBlkSize * sizeof(wchar_t)); + nPos = 0; + for(i = 0; i < nEnvVars; ++i) + { + jstring item = (jstring)env->GetObjectArrayElement(envp, i); + jsize len = env->GetStringLength(item); + const wchar_t * str = (const wchar_t *)env->GetStringChars(item, 0); + if(NULL != str) + { + while((nBlkSize - nPos) <= (len + 2)) // +2 for two '\0' + { + nBlkSize += MAX_ENV_SIZE; + szEnvBlock = (wchar_t *)realloc(szEnvBlock, nBlkSize * sizeof(wchar_t)); + if(NULL == szEnvBlock) + { + ThrowByName(env, "java/io/Exception", "Not enough memory"); + return 0; + } + } + wcsncpy(szEnvBlock + nPos, str, len); + nPos += len; + szEnvBlock[nPos] = _T('\0'); + ++nPos; + env->ReleaseStringChars(item, (const jchar *)str); + } + } + szEnvBlock[nPos] = _T('\0'); + envBlk = szEnvBlock; + } + + + + if (dir != 0) + { + const wchar_t * str = (const wchar_t *)env->GetStringChars(dir, 0); + if(NULL != str) + { + cwd = wcsdup(str); + env->ReleaseStringChars(dir, (const jchar *)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(NULL != szCmdLine) + free(szCmdLine); + + 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 + (wchar_t *)&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 +///////////////////////////////////////////////////////////////////////////////////// +extern "C" +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 + wchar_t buffer[100]; +#endif + + if(NULL == pCurProcInfo) { + if(SIG_INT == signal) { // Try another way + return interruptProcess(uid) ; + } + return -1; + } + +#ifdef DEBUG_MONITOR + swprintf(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 + swprintf(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 +///////////////////////////////////////////////////////////////////////////////////// +extern "C" +JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_waitFor + (JNIEnv * env, jobject process, jint uid) +{ + DWORD 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 +///////////////////////////////////////////////////////////////////////////////////// +void ThrowByName(JNIEnv *env, const char *name, const char *msg) +{ + jclass cls = env->FindClass(name); + + if (cls != 0) /* Otherwise an exception has already been thrown */ + env->ThrowNew(cls, msg); + + /* It's a good practice to clean up the local references. */ + env->DeleteLocalRef(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 = (pProcInfo_t)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 +///////////////////////////////////////////////////////////////////////////////////// +void _cdecl waitProcTermination(void* pv) +{ + PROCESS_INFORMATION *pi = (PROCESS_INFORMATION *)pv; + int i; +#ifdef DEBUG_MONITOR + wchar_t buffer[1000]; +#endif + + // wait for process termination + WaitForSingleObject(pi->hProcess, INFINITE); + + for(i = 0; i < MAX_PROCS; ++i) + { + if(pInfo[i].pid == pi->dwProcessId) + { + cleanUpProcBlock(pInfo + i); +#ifdef DEBUG_MONITOR + swprintf(buffer, _T("waitProcTermination: set PID %i to 0\n"), + pid, + GetLastError()); + OutputDebugStringW(buffer); +#endif + } + } + CloseHandle(pi->hProcess); + + free(pi); +} + +///////////////////////////////////////////////////////////////////////////////////// +// 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(wchar_t * target, const wchar_t * 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(wcschr(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; +} diff --git a/core/org.eclipse.cdt.core.win32/os/win32/x86/spawner.dll b/core/org.eclipse.cdt.core.win32/os/win32/x86/spawner.dll index a1cbaec8cd5..8887de47cfe 100644 Binary files a/core/org.eclipse.cdt.core.win32/os/win32/x86/spawner.dll and b/core/org.eclipse.cdt.core.win32/os/win32/x86/spawner.dll differ