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fixed (?) race condition in the sample

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6246 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin 2000-02-23 19:04:31 +00:00
parent 829f05419d
commit b8b9762a1b
1 changed files with 16 additions and 2 deletions
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18
samples/thread/test.cpp
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@ -40,6 +40,9 @@
#include "wx/progdlg.h"
// uncomment this to get some debugging messages from the trace code
//#define TRACE
class MyThread;
WX_DEFINE_ARRAY(wxThread *, wxArrayThread);
@ -300,6 +303,10 @@ END_EVENT_TABLE()
// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
{
#ifdef TRACE
wxLog::AddTraceMask("thread");
#endif
// Create the main frame window
MyFrame *frame = new MyFrame((wxFrame *)NULL, "wxWindows threads sample",
50, 50, 450, 340);
@ -427,15 +434,17 @@ void MyFrame::OnStartThread(wxCommandEvent& WXUNUSED(event) )
void MyFrame::OnStopThread(wxCommandEvent& WXUNUSED(event) )
{
wxGetApp().m_critsect.Enter();
// stop the last thread
if ( wxGetApp().m_threads.IsEmpty() )
{
wxLogError("No thread to stop!");
wxGetApp().m_critsect.Leave();
}
else
{
wxGetApp().m_critsect.Enter();
wxThread *thread = wxGetApp().m_threads.Last();
// it's important to leave critical section before calling Delete()
@ -538,6 +547,11 @@ void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event) )
void MyFrame::OnClear(wxCommandEvent& WXUNUSED(event))
{
#ifdef TRACE
// log a separator
wxLogTrace("-------- log window cleared --------");
#endif
m_txtctrl->Clear();
}