X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/50567b69d60faa5a3575a077bb4f98530813c80d..bad6c5e264fe9a7ac9e931d071d72acdabb3401e:/src/common/process.cpp diff --git a/src/common/process.cpp b/src/common/process.cpp index e57f66688b..26e14c560e 100644 --- a/src/common/process.cpp +++ b/src/common/process.cpp @@ -6,7 +6,7 @@ // Created: 24/06/98 // RCS-ID: $Id$ // Copyright: (c) Guilhem Lavaux -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "process.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -34,7 +30,7 @@ // event tables and such // ---------------------------------------------------------------------------- -DEFINE_EVENT_TYPE(wxEVT_END_PROCESS) +wxDEFINE_EVENT( wxEVT_END_PROCESS, wxProcessEvent ); IMPLEMENT_DYNAMIC_CLASS(wxProcess, wxEvtHandler) IMPLEMENT_DYNAMIC_CLASS(wxProcessEvent, wxEvent) @@ -47,13 +43,14 @@ IMPLEMENT_DYNAMIC_CLASS(wxProcessEvent, wxEvent) // wxProcess creation // ---------------------------------------------------------------------------- -void wxProcess::Init(wxEvtHandler *parent, int id, bool redirect) +void wxProcess::Init(wxEvtHandler *parent, int id, int flags) { if ( parent ) SetNextHandler(parent); m_id = id; - m_redirect = redirect; + m_pid = 0; + m_redirect = (flags & wxPROCESS_REDIRECT) != 0; #if wxUSE_STREAMS m_inputStream = NULL; @@ -62,6 +59,24 @@ void wxProcess::Init(wxEvtHandler *parent, int id, bool redirect) #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); + long pid = wxExecute(cmd, flags, process); + if( !pid ) + { + // couldn't launch the process + delete process; + return NULL; + } + + process->SetPid(pid); + + return process; +} + // ---------------------------------------------------------------------------- // wxProcess termination // ---------------------------------------------------------------------------- @@ -87,7 +102,13 @@ void wxProcess::OnTerminate(int pid, int status) void wxProcess::Detach() { - SetNextHandler(NULL); + // we just detach from the next handler of the chain (i.e. our "parent" -- see ctor) + // not also from the previous handler like wxEvtHandler::Unlink() would do: + + if (m_nextHandler) + m_nextHandler->SetPreviousHandler(m_previousHandler); + + m_nextHandler = NULL; } // ---------------------------------------------------------------------------- @@ -105,6 +126,21 @@ void wxProcess::SetPipeStreams(wxInputStream *inputSstream, 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 // ---------------------------------------------------------------------------- @@ -112,10 +148,10 @@ void wxProcess::SetPipeStreams(wxInputStream *inputSstream, // ---------------------------------------------------------------------------- /* static */ -wxKillError wxProcess::Kill(int pid, wxSignal sig) +wxKillError wxProcess::Kill(int pid, wxSignal sig, int flags) { wxKillError rc; - (void)wxKill(pid, sig, &rc); + (void)wxKill(pid, sig, &rc, flags); return rc; } @@ -123,11 +159,11 @@ wxKillError wxProcess::Kill(int pid, wxSignal sig) /* static */ bool wxProcess::Exists(int pid) { - switch ( wxProcess::Kill(pid, wxSIGNONE) ) + switch ( Kill(pid, wxSIGNONE) ) { case wxKILL_OK: case wxKILL_ACCESS_DENIED: - return TRUE; + return true; default: case wxKILL_ERROR: @@ -136,7 +172,7 @@ bool wxProcess::Exists(int pid) // fall through case wxKILL_NO_PROCESS: - return FALSE; + return false; } }