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Code Issues Releases Wiki Activity

Fix service crashes (#680)

pull/694/head
Next Turn 2020-09-03 21:44:20 +08:00 committed by GitHub
parent bff88217d3
commit 7c61b9c43c
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 20 additions and 3 deletions
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15
src/WinSW.Core/Util/ProcessHelper.cs
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@ -4,6 +4,7 @@ using System.Diagnostics;
using System.Management;
using System.Threading;
using log4net;
using WinSW.Native;
namespace WinSW.Util
{
@ -168,7 +169,19 @@ namespace WinSW.Util
}
}
processToStart.Start();
bool succeeded = ConsoleApis.SetConsoleCtrlHandler(null, false); // inherited
Debug.Assert(succeeded);
try
{
processToStart.Start();
}
finally
{
succeeded = ConsoleApis.SetConsoleCtrlHandler(null, true);
Debug.Assert(succeeded);
}
Logger.Info("Started process " + processToStart.Id);
if (priority != null)

5
src/WinSW.Core/Util/SignalHelper.cs
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@ -29,9 +29,10 @@ namespace WinSW.Util
return new KeyValuePair<bool, bool>(false, error == Errors.ERROR_INVALID_PARAMETER);
}
_ = ConsoleApis.SetConsoleCtrlHandler(null, true);
// Don't call GenerateConsoleCtrlEvent immediately after SetConsoleCtrlHandler.
// A delay was observed as of Windows 10, version 2004 and Windows Server 2019.
_ = ConsoleApis.GenerateConsoleCtrlEvent(ConsoleApis.CtrlEvents.CTRL_C_EVENT, 0);
_ = ConsoleApis.SetConsoleCtrlHandler(null, false);
bool succeeded = ConsoleApis.FreeConsole();
Debug.Assert(succeeded);

3
src/WinSW/WrapperService.cs
View File

@ -182,6 +182,9 @@ namespace WinSW
protected override void OnStart(string[] args)
{
bool succeeded = ConsoleApis.SetConsoleCtrlHandler(null, true);
Debug.Assert(succeeded);
this.envs = this.descriptor.EnvironmentVariables;
// TODO: Disabled according to security concerns in https://github.com/kohsuke/winsw/issues/54