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Code Issues Wiki Activity

Bug 476346 - Spawner.exec() fails after incomplete process termination

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This commit is contained in:
Anton Leherbauer 2015-09-02 10:49:52 +02:00
parent d510c87df6
commit 0e382c064b
10 changed files with 55 additions and 30 deletions
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2
core/org.eclipse.cdt.core.win32.x86/META-INF/MANIFEST.MF
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@ -2,7 +2,7 @@ Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: %fragmentName.win32.x86
Bundle-SymbolicName: org.eclipse.cdt.core.win32.x86;singleton:=true
Bundle-Version: 5.4.0.qualifier
Bundle-Version: 5.4.1.qualifier
Bundle-Vendor: %providerName
Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
Bundle-Localization: plugin

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core/org.eclipse.cdt.core.win32.x86/os/win32/x86/spawner.dll
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core/org.eclipse.cdt.core.win32.x86/os/win32/x86/starter.exe
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2
core/org.eclipse.cdt.core.win32.x86/pom.xml
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@ -11,7 +11,7 @@
<relativePath>../../pom.xml</relativePath>
</parent>
<version>5.4.0-SNAPSHOT</version>
<version>5.4.1-SNAPSHOT</version>
<artifactId>org.eclipse.cdt.core.win32.x86</artifactId>
<packaging>eclipse-plugin</packaging>

2
core/org.eclipse.cdt.core.win32.x86_64/META-INF/MANIFEST.MF
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@ -2,7 +2,7 @@ Manifest-Version: 1.0
Bundle-ManifestVersion: 2
Bundle-Name: %fragmentName.win32.x86_64
Bundle-SymbolicName: org.eclipse.cdt.core.win32.x86_64;singleton:=true
Bundle-Version: 5.4.0.qualifier
Bundle-Version: 5.4.1.qualifier
Fragment-Host: org.eclipse.cdt.core.native;bundle-version="[5.7.0,6.0.0)"
Eclipse-PlatformFilter: (&(osgi.os=win32)(osgi.arch=x86_64))
Bundle-Vendor: %providerName

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core/org.eclipse.cdt.core.win32.x86_64/os/win32/x86_64/spawner.dll
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core/org.eclipse.cdt.core.win32.x86_64/os/win32/x86_64/starter.exe
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2
core/org.eclipse.cdt.core.win32.x86_64/pom.xml
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@ -11,7 +11,7 @@
<relativePath>../../pom.xml</relativePath>
</parent>
<version>5.4.0-SNAPSHOT</version>
<version>5.4.1-SNAPSHOT</version>
<artifactId>org.eclipse.cdt.core.win32.x86_64</artifactId>
<packaging>eclipse-plugin</packaging>

46
core/org.eclipse.cdt.core.win32/library/Win32ProcessEx.c
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@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2002, 2011 QNX Software Systems and others.
* Copyright (c) 2002, 2015 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
@ -30,7 +30,7 @@
#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
#define MAX_PROCS (100) // Maximum number of simultaneously running processes
// Process description block. Should be created for each launched process
@ -53,7 +53,7 @@ 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
// Creates _procInfo block for every launched process
pProcInfo_t createProcInfo();
// Find process description for this pid
@ -62,7 +62,7 @@ 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
// This is a helper function to prevent losing of quotation 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.
@ -89,7 +89,7 @@ static HMODULE hVM = NULL; // VM handler
static pProcInfo_t pInfo = NULL;
static int nCounter = 0; // We use it to build unique synchronisation object names
static int nCounter = 0; // We use it to build unique synchronization object names
/////////////////////////////////////////////////////////////////////////////////////
// Launcher; launchess process and traps its termination
@ -148,7 +148,7 @@ JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0
pProcInfo_t pCurProcInfo;
// This needs to be big enough to contain the name of the event used when calling CreateEventW bellow.
// It is made of a prefix (7 characters max) plus the value of a pointer that gets outputed in characters.
// It is made of a prefix (7 characters max) plus the value of a pointer that gets output in characters.
// This will be bigger in the case of 64 bit.
static const int MAX_EVENT_NAME_LENGTH = 50;
wchar_t eventBreakName[MAX_EVENT_NAME_LENGTH];
@ -224,13 +224,18 @@ JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0
}
// Construct starter's command line
swprintf(eventBreakName, L"SABreak%p", pCurProcInfo);
swprintf(eventWaitName, L"SAWait%p", pCurProcInfo);
swprintf(eventTerminateName, L"SATerm%p", pCurProcInfo);
swprintf(eventKillName, L"SAKill%p", pCurProcInfo);
swprintf(eventCtrlcName, L"SACtrlc%p", pCurProcInfo);
swprintf(eventBreakName, L"SABreak%010i", nLocalCounter);
swprintf(eventWaitName, L"SAWait%010i", nLocalCounter);
swprintf(eventTerminateName, L"SATerm%010i", nLocalCounter);
swprintf(eventKillName, L"SAKill%010i", nLocalCounter);
swprintf(eventCtrlcName, L"SACtrlc%010i", nLocalCounter);
pCurProcInfo->eventBreak = CreateEventW(NULL, FALSE, FALSE, eventBreakName);
if(NULL == pCurProcInfo->eventBreak || GetLastError() == ERROR_ALREADY_EXISTS)
{
ThrowByName(env, "java/io/IOException", "Cannot create event");
return 0;
}
pCurProcInfo->eventWait = CreateEventW(NULL, TRUE, FALSE, eventWaitName);
pCurProcInfo->eventTerminate = CreateEventW(NULL, FALSE, FALSE, eventTerminateName);
pCurProcInfo->eventKill = CreateEventW(NULL, FALSE, FALSE, eventKillName);
@ -273,7 +278,7 @@ JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_exec0
szCmdLine[nPos] = _T('\0');
#ifdef DEBUG_MONITOR
swprintf(buffer, _T("There are %i environment variables \n"), nEnvVars);
swprintf(buffer, _T("There are %i environment variables \n"), nEnvVars);
OutputDebugStringW(buffer);
#endif
// Prepare environment block
@ -687,7 +692,7 @@ JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_raise
#endif
SetEvent(pCurProcInfo -> eventTerminate);
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Spawner signalled TERM event\n"));
OutputDebugStringW(_T("Spawner signaled TERM event\n"));
#endif
ret = 0;
break;
@ -700,7 +705,7 @@ JNIEXPORT jint JNICALL Java_org_eclipse_cdt_utils_spawner_Spawner_raise
#endif
SetEvent(pCurProcInfo -> eventKill);
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Spawner signalled KILL event\n"));
OutputDebugStringW(_T("Spawner signaled KILL event\n"));
#endif
ret = 0;
break;
@ -886,10 +891,10 @@ void cleanUpProcBlock(pProcInfo_t pCurProcInfo)
}
/////////////////////////////////////////////////////////////////////////////////////
// Running in separae thread and waiting for the process termination
// Running in separate thread and waiting for the process termination
// Arguments:
// pv - (int)pv is a pid
// Return : always 0
// pv - pointer to PROCESS_INFORMATION struct
// Return : no
/////////////////////////////////////////////////////////////////////////////////////
void _cdecl waitProcTermination(void* pv)
{
@ -909,8 +914,7 @@ void _cdecl waitProcTermination(void* pv)
cleanUpProcBlock(pInfo + i);
#ifdef DEBUG_MONITOR
swprintf(buffer, _T("waitProcTermination: set PID %i to 0\n"),
pInfo[i].pid,
GetLastError());
pi->dwProcessId);
OutputDebugStringW(buffer);
#endif
}
@ -953,12 +957,12 @@ int copyTo(wchar_t * target, const wchar_t * source, int cpyLength, int availSpa
else
if(wcschr(source, _T(' ')) == NULL)
{
// No reason to quotate term becase it doesn't have embedded spaces
// No reason to quote term because it doesn't have embedded spaces
nQuotationMode = QUOTATION_NONE;
}
else
{
// Needs to be quotated
// Needs to be quoted
nQuotationMode = QUOTATION_DO;
*target = _T('\"');
++j;

31
core/org.eclipse.cdt.core.win32/library/starter/starter.cpp
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@ -1,5 +1,5 @@
/*******************************************************************************
* Copyright (c) 2002, 2010 QNX Software Systems and others.
* Copyright (c) 2002, 2015 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
@ -252,7 +252,7 @@ int main() {
return -1;;
}
#ifdef DEBUG_MONITOR
#ifdef DEBUG_MONITOR_DETAILS
wchar_t * lpvEnv = GetEnvironmentStringsW();
// If the returned pointer is NULL, exit.
@ -277,10 +277,31 @@ int main() {
#endif
// Create job object
HANDLE hJob = CreateJobObject(NULL, NULL);
if (hJob != NULL) {
// Configure job to
// - terminate all associated processes when the last handle to it is closed
// - allow child processes to break away from the job.
JOBOBJECT_EXTENDED_LIMIT_INFORMATION jobInfo;
ZeroMemory(&jobInfo, sizeof(jobInfo));
jobInfo.BasicLimitInformation.LimitFlags = JOB_OBJECT_LIMIT_KILL_ON_JOB_CLOSE | JOB_OBJECT_LIMIT_BREAKAWAY_OK;
if (!SetInformationJobObject(hJob, JobObjectExtendedLimitInformation, &jobInfo, sizeof(jobInfo))) {
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Cannot set job information\n"));
DisplayErrorMessage();
#endif
}
} else {
#ifdef DEBUG_MONITOR
OutputDebugStringW(_T("Cannot create job object\n"));
DisplayErrorMessage();
#endif
}
// Spawn the other processes as part of this Process Group
// If this process is already part of a job, the flag CREATE_BREAKAWAY_FROM_JOB
// makes the child process detach from the job, such that we can assign it
// to our own job object.
BOOL f = CreateProcessW(NULL, szCmdLine, NULL, NULL, TRUE,
0, NULL, NULL, &si, &pi);
CREATE_BREAKAWAY_FROM_JOB, NULL, NULL, &si, &pi);
// We don't need them any more
CloseHandle(stdHandles[0]);
@ -292,7 +313,7 @@ int main() {
swprintf(buffer, _T("Process %i started\n"), pi.dwProcessId);
OutputDebugStringW(buffer);
#endif
SetEvent(waitEvent); // Means thar process has been spawned
SetEvent(waitEvent); // Means that process has been spawned
CloseHandle(pi.hThread);
h[1] = pi.hProcess;