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create the single global IO dispatcher in wxFDIODispatcher; don't use wxSelectDispatcher in wxGSocket as the global dispatcher may be of a different type (modified patch 1733626)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@47471 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-07-14 20:18:38 +00:00
parent 7523de907d
commit 5e1eac149f
10 changed files with 121 additions and 107 deletions
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57
src/common/fdiodispatcher.cpp
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@@ -24,14 +24,56 @@
#endif
#ifndef WX_PRECOMP
#include "wx/module.h"
#endif //WX_PRECOMP
#include "wx/private/fdiodispatcher.h"
#include "wx/private/selectdispatcher.h"
#ifdef __UNIX__
#include "wx/unix/private/epolldispatcher.h"
#endif
wxFDIODispatcher *gs_dispatcher = NULL;
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// wxFDIODispatcher
// ----------------------------------------------------------------------------
/* static */
wxFDIODispatcher *wxFDIODispatcher::Get()
{
if ( !gs_dispatcher )
{
#ifdef wxUSE_EPOLL_DISPATCHER
gs_dispatcher = wxEpollDispatcher::Create();
if ( !gs_dispatcher )
#endif // wxUSE_EPOLL_DISPATCHER
#if wxUSE_SELECT_DISPATCHER
gs_dispatcher = wxSelectDispatcher::Create();
#endif // wxUSE_WCHAR_T
}
wxASSERT_MSG( gs_dispatcher, _T("failed to create any IO dispatchers") );
return gs_dispatcher;
}
/* static */
void wxFDIODispatcher::DispatchPending()
{
if ( gs_dispatcher )
gs_dispatcher->Dispatch(0);
}
// ----------------------------------------------------------------------------
// wxMappedFDIODispatcher
// ----------------------------------------------------------------------------
wxFDIOHandler *wxMappedFDIODispatcher::FindHandler(int fd) const
{
const wxFDIOHandlerMap::const_iterator it = m_handlers.find(fd);
@@ -89,3 +131,18 @@ bool wxMappedFDIODispatcher::UnregisterFD(int fd)
return true;
}
// ----------------------------------------------------------------------------
// wxSelectDispatcherModule
// ----------------------------------------------------------------------------
class wxFDIODispatcherModule : public wxModule
{
public:
virtual bool OnInit() { return true; }
virtual void OnExit() { wxDELETE(gs_dispatcher); }
private:
DECLARE_DYNAMIC_CLASS(wxFDIODispatcherModule)
};
IMPLEMENT_DYNAMIC_CLASS(wxFDIODispatcherModule, wxModule)