X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/7e84f02dfda7d5e3cf2cef1aa85169c55e8d4461..b9efe021b554fa3967d1442cf758435c5cd5ae8f:/src/common/process.cpp diff --git a/src/common/process.cpp b/src/common/process.cpp index 6440993d20..518549e660 100644 --- a/src/common/process.cpp +++ b/src/common/process.cpp @@ -6,10 +6,18 @@ // Created: 24/06/98 // RCS-ID: $Id$ // Copyright: (c) Guilhem Lavaux -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +// ============================================================================ +// declarations +// ============================================================================ + +// ---------------------------------------------------------------------------- +// headers +// ---------------------------------------------------------------------------- + +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "process.h" #endif @@ -20,21 +28,75 @@ #pragma hdrstop #endif -#ifndef WX_PRECOMP - #include "wx/defs.h" -#endif - #include "wx/process.h" +// ---------------------------------------------------------------------------- +// event tables and such +// ---------------------------------------------------------------------------- + +DEFINE_EVENT_TYPE(wxEVT_END_PROCESS) + IMPLEMENT_DYNAMIC_CLASS(wxProcess, wxEvtHandler) IMPLEMENT_DYNAMIC_CLASS(wxProcessEvent, wxEvent) -wxProcess::wxProcess(wxEvtHandler *parent, int id) +// ============================================================================ +// wxProcess implementation +// ============================================================================ + +// ---------------------------------------------------------------------------- +// wxProcess creation +// ---------------------------------------------------------------------------- + +#if WXWIN_COMPATIBILITY_2_2 + +wxProcess::wxProcess(wxEvtHandler *parent, bool redirect) +{ + Init(parent, wxID_ANY, redirect ? wxPROCESS_REDIRECT : wxPROCESS_DEFAULT); +} + +#endif // WXWIN_COMPATIBILITY_2_2 + +void wxProcess::Init(wxEvtHandler *parent, int id, int flags) { - if (parent) + if ( parent ) SetNextHandler(parent); - m_id = id; + m_id = id; + m_redirect = (flags & wxPROCESS_REDIRECT) != 0; + +#if wxUSE_STREAMS + m_inputStream = NULL; + m_errorStream = NULL; + m_outputStream = NULL; +#endif // wxUSE_STREAMS +} + +/* static */ +wxProcess *wxProcess::Open(const wxString& cmd, int flags) +{ + wxASSERT_MSG( !(flags & wxEXEC_SYNC), wxT("wxEXEC_SYNC should not be used." )); + wxProcess *process = new wxProcess(wxPROCESS_REDIRECT); + if ( !wxExecute(cmd, flags, process) ) + { + // couldn't launch the process + delete process; + return NULL; + } + + return process; +} + +// ---------------------------------------------------------------------------- +// wxProcess termination +// ---------------------------------------------------------------------------- + +wxProcess::~wxProcess() +{ +#if wxUSE_STREAMS + delete m_inputStream; + delete m_errorStream; + delete m_outputStream; +#endif // wxUSE_STREAMS } void wxProcess::OnTerminate(int pid, int status) @@ -51,3 +113,69 @@ void wxProcess::Detach() { SetNextHandler(NULL); } + +// ---------------------------------------------------------------------------- +// process IO redirection +// ---------------------------------------------------------------------------- + +#if wxUSE_STREAMS + +void wxProcess::SetPipeStreams(wxInputStream *inputSstream, + wxOutputStream *outputStream, + wxInputStream *errorStream) +{ + m_inputStream = inputSstream; + m_errorStream = errorStream; + m_outputStream = outputStream; +} + +bool wxProcess::IsInputOpened() const +{ + return m_inputStream && m_inputStream->GetLastError() != wxSTREAM_EOF; +} + +bool wxProcess::IsInputAvailable() const +{ + return m_inputStream && m_inputStream->CanRead(); +} + +bool wxProcess::IsErrorAvailable() const +{ + return m_errorStream && m_errorStream->CanRead(); +} + +#endif // wxUSE_STREAMS + +// ---------------------------------------------------------------------------- +// process killing +// ---------------------------------------------------------------------------- + +/* static */ +wxKillError wxProcess::Kill(int pid, wxSignal sig, int flags) +{ + wxKillError rc; + (void)wxKill(pid, sig, &rc, flags); + + return rc; +} + +/* static */ +bool wxProcess::Exists(int pid) +{ + switch ( Kill(pid, wxSIGNONE) ) + { + case wxKILL_OK: + case wxKILL_ACCESS_DENIED: + return true; + + default: + case wxKILL_ERROR: + case wxKILL_BAD_SIGNAL: + wxFAIL_MSG( _T("unexpected wxProcess::Kill() return code") ); + // fall through + + case wxKILL_NO_PROCESS: + return false; + } +} +