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consume less CPU while waiting for thread to terminate (patch 883268)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@25552 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2004-02-07 13:49:18 +00:00
parent 811697104b
commit 7d0bf46a34
1 changed files with 11 additions and 2 deletions
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13
src/msw/thread.cpp
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@@ -777,15 +777,24 @@ wxThreadInternal::WaitForTerminate(wxCriticalSection& cs,
// although the thread might be already in the EXITED state it might not // although the thread might be already in the EXITED state it might not
// have terminated yet and so we are not sure that it has actually // have terminated yet and so we are not sure that it has actually
// terminated if the "if" above hadn't been taken // terminated if the "if" above hadn't been taken
do for ( ;; )
{ {
if ( !::GetExitCodeThread(m_hThread, (LPDWORD)&rc) ) if ( !::GetExitCodeThread(m_hThread, (LPDWORD)&rc) )
{ {
wxLogLastError(wxT("GetExitCodeThread")); wxLogLastError(wxT("GetExitCodeThread"));
rc = (wxThread::ExitCode)-1; rc = (wxThread::ExitCode)-1;
break;
} }
} while ( (DWORD)rc == STILL_ACTIVE );
if ( (DWORD)rc != STILL_ACTIVE )
break;
// give the other thread some time to terminate, otherwise we may be
// starving it
::Sleep(1);
}
if ( pRc ) if ( pRc )
*pRc = rc; *pRc = rc;