Skip to main content
aboutsummaryrefslogtreecommitdiffstats
path: root/core/org.eclipse.cdt.core.win32/library
diff options
context:
space:
mode:
Diffstat (limited to 'core/org.eclipse.cdt.core.win32/library')
-rw-r--r--core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c1942
1 files changed, 961 insertions, 981 deletions
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 <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 // 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 <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 // 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;
+}

Back to the top