X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/fada8bef05c36e3bae29f9442f8d32b024905207..92715f1feab53c854e9b5bd8cca3a29acaaaa439:/src/unix/evtloopunix.cpp diff --git a/src/unix/evtloopunix.cpp b/src/unix/evtloopunix.cpp index b439c4d466..99d9c1e34e 100644 --- a/src/unix/evtloopunix.cpp +++ b/src/unix/evtloopunix.cpp @@ -31,6 +31,7 @@ #include "wx/evtloop.h" #include "wx/thread.h" #include "wx/module.h" +#include "wx/unix/pipe.h" #include "wx/unix/private/timer.h" #include "wx/unix/private/epolldispatcher.h" #include "wx/private/selectdispatcher.h" @@ -41,11 +42,39 @@ // wxEventLoop::PipeIOHandler implementation // =========================================================================== +namespace wxPrivate +{ + +// pipe used for wake up messages: when a child thread wants to wake up +// the event loop in the main thread it writes to this pipe +class PipeIOHandler : public wxFDIOHandler +{ +public: + // default ctor does nothing, call Create() to really initialize the + // object + PipeIOHandler() { } + + bool Create(); + + // this method can be, and normally is, called from another thread + void WakeUp(); + + int GetReadFd() { return m_pipe[wxPipe::Read]; } + + // implement wxFDIOHandler pure virtual methods + virtual void OnReadWaiting(); + virtual void OnWriteWaiting() { } + virtual void OnExceptionWaiting() { } + +private: + wxPipe m_pipe; +}; + // ---------------------------------------------------------------------------- // initialization // ---------------------------------------------------------------------------- -bool wxConsoleEventLoop::PipeIOHandler::Create() +bool PipeIOHandler::Create() { if ( !m_pipe.Create() ) { @@ -72,7 +101,7 @@ bool wxConsoleEventLoop::PipeIOHandler::Create() // wakeup handling // ---------------------------------------------------------------------------- -void wxConsoleEventLoop::PipeIOHandler::WakeUp() +void PipeIOHandler::WakeUp() { if ( write(m_pipe[wxPipe::Write], "s", 1) != 1 ) { @@ -82,7 +111,7 @@ void wxConsoleEventLoop::PipeIOHandler::WakeUp() } } -void wxConsoleEventLoop::PipeIOHandler::OnReadWaiting() +void PipeIOHandler::OnReadWaiting() { // got wakeup from child thread: read all data available in pipe just to // make it empty (even though we write one byte at a time from WakeUp(), @@ -112,6 +141,8 @@ void wxConsoleEventLoop::PipeIOHandler::OnReadWaiting() // else needs to be done } +} // namespace wxPrivate + // =========================================================================== // wxEventLoop implementation // =========================================================================== @@ -122,8 +153,10 @@ void wxConsoleEventLoop::PipeIOHandler::OnReadWaiting() wxConsoleEventLoop::wxConsoleEventLoop() { - if ( !m_wakeupPipe.Create() ) + m_wakeupPipe = new wxPrivate::PipeIOHandler(); + if ( !m_wakeupPipe->Create() ) { + wxDELETE(m_wakeupPipe); m_dispatcher = NULL; return; } @@ -134,12 +167,17 @@ wxConsoleEventLoop::wxConsoleEventLoop() m_dispatcher->RegisterFD ( - m_wakeupPipe.GetReadFd(), - &m_wakeupPipe, + m_wakeupPipe->GetReadFd(), + m_wakeupPipe, wxFDIO_INPUT ); } +wxConsoleEventLoop::~wxConsoleEventLoop() +{ + delete m_wakeupPipe; +} + //----------------------------------------------------------------------------- // events dispatch and loop handling //----------------------------------------------------------------------------- @@ -191,7 +229,7 @@ int wxConsoleEventLoop::DispatchTimeout(unsigned long timeout) void wxConsoleEventLoop::WakeUp() { - m_wakeupPipe.WakeUp(); + m_wakeupPipe->WakeUp(); } void wxConsoleEventLoop::OnNextIteration()