X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5c9eff305505d6e3a63026c542004d518d997d2a..ab5fe83396c13f9fbf01630c52adf4df7607cbfe:/src/common/socket.cpp?ds=sidebyside diff --git a/src/common/socket.cpp b/src/common/socket.cpp index a3eec9aae2..003bd9dbcf 100644 --- a/src/common/socket.cpp +++ b/src/common/socket.cpp @@ -51,12 +51,30 @@ // discard buffer #define MAX_DISCARD_SIZE (10 * 1024) -// what to do within waits +// what to do within waits: in wxBase we don't do anything as we don't have +// the event loop anyhow (for now). In GUI apps we have 2 cases: from the main +// thread itself we have to call wxYield() to let the events (including the +// GUI events and the low-level (not wxWindows) events from GSocket) be +// processed. From another thread it is enough to just call wxThread::Yield() +// which will give away the rest of our time slice: the explanation is that +// the events will be processed by the main thread anyhow, without calling +// wxYield(), but we don't want to eat the CPU time uselessly while sitting +// in the loop waiting for the data #if wxUSE_GUI - #define PROCESS_EVENTS() wxYield() -#else - #define PROCESS_EVENTS() -#endif + #if wxUSE_THREADS + #define PROCESS_EVENTS() \ + { \ + if ( wxThread::IsMain() ) \ + wxYield(); \ + else \ + wxThread::Yield(); \ + } + #else // !wxUSE_THREADS + #define PROCESS_EVENTS() wxYield() + #endif // wxUSE_THREADS/!wxUSE_THREADS +#else // !wxUSE_GUI + #define PROCESS_EVENTS() +#endif // wxUSE_GUI/!wxUSE_GUI // -------------------------------------------------------------------------- // wxWin macros @@ -463,7 +481,7 @@ wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes) { bool more = TRUE; - while (more) + while (more) { if ( !(m_flags & wxSOCKET_BLOCK) && !WaitForWrite() ) break; @@ -477,18 +495,6 @@ wxUint32 wxSocketBase::_Write(const void *buffer, wxUint32 nbytes) buffer = (const char *)buffer + ret; } - // Yes, this can happen even when the socket selects as writable! - // (probably due to a buggy kernel; Linux 2.0.36 seems to do this). - // Fake it so that we stay in the loop, but do it only for ret < 0, - // as ret == 0 means that the socket is closed. I'm not applying - // this hack for read calls as it seems unnecessary there. - // - if ((ret < 0) && (GSocket_GetError(m_socket) == GSOCK_WOULDBLOCK)) - { - wxLogDebug(_("wxSocket: working around select() bug in Write.")); - continue; - } - // If we got here and wxSOCKET_WAITALL is not set, we can leave // now. Otherwise, wait until we send all the data or until there // is an error. @@ -1004,7 +1010,7 @@ wxUint32 wxSocketBase::GetPushback(void *buffer, wxUint32 size, bool peek) // ========================================================================== -// wxSocketServer +// wxSocketServer // ========================================================================== // -------------------------------------------------------------------------- @@ -1082,7 +1088,10 @@ wxSocketBase *wxSocketServer::Accept(bool wait) sock->SetFlags(m_flags); if (!AcceptWith(*sock, wait)) - return NULL; + { + sock->Destroy(); + sock = NULL; + } return sock; } @@ -1226,25 +1235,6 @@ wxDatagramSocket& wxDatagramSocket::SendTo( wxSockAddress& addr, return (*this); } -// ========================================================================== -// wxSocketEvent -// ========================================================================== - -wxSocketEvent::wxSocketEvent(int id) : wxEvent(id) -{ - SetEventType( (wxEventType)wxEVT_SOCKET ); -} - -void wxSocketEvent::CopyObject(wxObject& object_dest) const -{ - wxSocketEvent *event = (wxSocketEvent *)&object_dest; - - wxEvent::CopyObject(object_dest); - - event->m_event = m_event; - event->m_clientData = m_clientData; -} - // ========================================================================== // wxSocketModule // ========================================================================== @@ -1254,7 +1244,7 @@ class WXDLLEXPORT wxSocketModule : public wxModule DECLARE_DYNAMIC_CLASS(wxSocketModule) public: - bool OnInit() { return GSocket_Init(); } + bool OnInit() { return GSocket_Init() != 0; } void OnExit() { GSocket_Cleanup(); } };