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Fixes #95 - Service not sending SIGINT properly to java 

Detach from console process after sending SIGINT to java.
Note: we still need <stopparentprocessfirst> to be set to true, so the
parent (java) process is shut down first.
Moved exception handling to GetChildPids.
StopProcessAndChildren now gets a fresh list of childPids after stopping
a parent process, as that may have caused some child processes to
terminate.
pull/186/head
madargs 2017-01-30 12:57:44 +00:00
parent e7aff3a434
commit dc42c73fab
2 changed files with 23 additions and 22 deletions
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42
src/Core/WinSWCore/Util/ProcessHelper.cs
View File

@ -22,15 +22,23 @@ namespace winsw.Util
/// <returns>List of child process PIDs</returns>
public static List<int> GetChildPids(int pid)
{
var searcher = new ManagementObjectSearcher("Select * From Win32_Process Where ParentProcessID=" + pid);
var childPids = new List<int>();
foreach (var mo in searcher.Get())
var childPids = new List<int>();
try {
var searcher = new ManagementObjectSearcher("Select * From Win32_Process Where ParentProcessID=" + pid);
foreach (var mo in searcher.Get())
{
var childProcessId = mo["ProcessID"];
Logger.Info("Found child process: " + childProcessId + " Name: " + mo["Name"]);
childPids.Add(Convert.ToInt32(childProcessId));
}
}
catch (Exception ex)
{
var childProcessId = mo["ProcessID"];
Logger.Info("Found child process: " + childProcessId + " Name: " + mo["Name"]);
childPids.Add(Convert.ToInt32(childProcessId));
Logger.Warn("Failed to locate children of the process with PID=" + pid + ". Child processes won't be terminated", ex);
}
return childPids;
return childPids;
}
/// <summary>
@ -90,19 +98,9 @@ namespace winsw.Util
/// <param name="stopParentProcessFirst">If enabled, the perent process will be terminated before its children on all levels</param>
public static void StopProcessAndChildren(int pid, TimeSpan stopTimeout, bool stopParentProcessFirst)
{
List<int> childPids = null;
try
{
childPids = GetChildPids(pid);
}
catch (Exception ex)
{
Logger.Warn("Failed to locate children of the process with PID=" + pid + ". Child processes won't be terminated", ex);
}
if (!stopParentProcessFirst && childPids != null)
{
foreach (var childPid in childPids)
if (!stopParentProcessFirst)
{
foreach (var childPid in GetChildPids(pid))
{
StopProcessAndChildren(childPid, stopTimeout, stopParentProcessFirst);
}
@ -110,9 +108,9 @@ namespace winsw.Util
StopProcess(pid, stopTimeout);
if (stopParentProcessFirst && childPids != null)
if (stopParentProcessFirst)
{
foreach (var childPid in childPids)
foreach (var childPid in GetChildPids(pid))
{
StopProcessAndChildren(childPid, stopTimeout, stopParentProcessFirst);
}

3
src/Core/WinSWCore/Util/SigIntHelper.cs
View File

@ -49,6 +49,9 @@ namespace winsw.Util
process.WaitForExit((int)shutdownTimeout.TotalMilliseconds);
// Detach from console. Causes child console process to be automatically closed.
FreeConsole();
return process.HasExited;
}