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[host] service: respond to exit request while sleeping

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Instead of Sleep, we can use WaitForSingleObject with a timeout to be
signalled when the service is exiting.
This commit is contained in:
Quantum 2021-07-20 19:46:02 -04:00 committed by Geoffrey McRae
parent 26df3579a3
commit 669148bca0
1 changed files with 18 additions and 3 deletions
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21
host/platform/Windows/src/service.c
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@ -540,6 +540,19 @@ VOID WINAPI SvcCtrlHandler(DWORD dwControl)
ReportSvcStatus(gSvcStatus.dwCurrentState, NO_ERROR, 0); ReportSvcStatus(gSvcStatus.dwCurrentState, NO_ERROR, 0);
} }
static bool sleepOrStop(DWORD ms)
{
switch (WaitForSingleObject(ghSvcStopEvent, ms))
{
case WAIT_OBJECT_0:
return true;
case WAIT_FAILED:
doLog("Failed to WaitForSingleObject (0x%lx)\n", GetLastError());
}
return false;
}
VOID WINAPI SvcMain(DWORD dwArgc, LPTSTR *lpszArgv) VOID WINAPI SvcMain(DWORD dwArgc, LPTSTR *lpszArgv)
{ {
gSvcStatusHandle = RegisterServiceCtrlHandler(SVCNAME, SvcCtrlHandler); gSvcStatusHandle = RegisterServiceCtrlHandler(SVCNAME, SvcCtrlHandler);
@ -650,7 +663,9 @@ VOID WINAPI SvcMain(DWORD dwArgc, LPTSTR *lpszArgv)
DWORD backoff = FAIL_RETRY_INIT_INTERVAL << (failCount - 1); DWORD backoff = FAIL_RETRY_INIT_INTERVAL << (failCount - 1);
doLog("Host application failed to start %d times, waiting %u ms...\n", failCount, backoff); doLog("Host application failed to start %d times, waiting %u ms...\n", failCount, backoff);
Sleep(backoff);
if (sleepOrStop(backoff))
goto stopped;
break; break;
} }
@ -665,8 +680,8 @@ VOID WINAPI SvcMain(DWORD dwArgc, LPTSTR *lpszArgv)
} }
// avoid restarting too often // avoid restarting too often
if (GetTickCount64() - launchTime < 1000) if (GetTickCount64() - launchTime < 1000 && sleepOrStop(1000))
Sleep(1000); goto stopped;
break; break;
} }