X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/0d3820b348955b748fa0ab3076f4ed9763ce4bee..594f0f5bf1355fb8d58f403d3ebacc1c1767c429:/include/wx/process.h?ds=inline diff --git a/include/wx/process.h b/include/wx/process.h index 96ce4e5fb9..571bf65c29 100644 --- a/include/wx/process.h +++ b/include/wx/process.h @@ -2,57 +2,128 @@ // Name: process.h // Purpose: wxProcess class // Author: Guilhem Lavaux -// Modified by: +// Modified by: Vadim Zeitlin to check error codes, added Detach() method // Created: 24/06/98 // RCS-ID: $Id$ // Copyright: (c) 1998 Guilhem Lavaux -// Licence: wxWindows license +// Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// -#ifndef __PROCESSH__ -#define __PROCESSH__ +#ifndef _WX_PROCESSH__ +#define _WX_PROCESSH__ #ifdef __GNUG__ -#pragma interface "process.h" + #pragma interface "process.h" #endif -#include "wx/defs.h" -#include "wx/object.h" #include "wx/event.h" -class WXDLLEXPORT wxProcess: public wxEvtHandler +#if wxUSE_STREAMS + #include "wx/stream.h" +#endif + +#include "wx/utils.h" // for wxSignal + +// ---------------------------------------------------------------------------- +// A wxProcess object should be passed to wxExecute - than its OnTerminate() +// function will be called when the process terminates. +// ---------------------------------------------------------------------------- + +class WXDLLEXPORT wxProcess : public wxEvtHandler { - DECLARE_DYNAMIC_CLASS(wxProcess) - public: +public: + wxProcess(wxEvtHandler *parent = (wxEvtHandler *) NULL, int id = -1) + { Init(parent, id, FALSE); } + wxProcess(wxEvtHandler *parent, bool redirect) + { Init(parent, -1, redirect); } + + virtual ~wxProcess(); + + // may be overridden to be notified about process termination + virtual void OnTerminate(int pid, int status); + + // call this before passing the object to wxExecute() to redirect the + // launched process stdin/stdout, then use GetInputStream() and + // GetOutputStream() to get access to them + void Redirect() { m_redirect = TRUE; } + bool IsRedirected() const { return m_redirect; } + + // detach from the parent - should be called by the parent if it's deleted + // before the process it started terminates + void Detach(); + +#if wxUSE_STREAMS + // Pipe handling + wxInputStream *GetInputStream() const { return m_inputStream; } + wxInputStream *GetErrorStream() const { return m_errorStream; } + wxOutputStream *GetOutputStream() const { return m_outputStream; } - wxProcess(wxEvtHandler *parent = NULL, int id = -1); - virtual ~wxProcess(); + // close the output stream indicating that nothing more will be written + void CloseOutput() { delete m_outputStream; m_outputStream = NULL; } - virtual void OnTerminate(int pid); + // implementation only (for wxExecute) + void SetPipeStreams(wxInputStream *inStream, + wxOutputStream *outStream, + wxInputStream *errStream); +#endif // wxUSE_STREAMS - protected: - int m_id; + // kill the process with the given PID + static wxKillError Kill(int pid, wxSignal sig = wxSIGTERM); + + // test if the given process exists + static bool Exists(int pid); + +protected: + void Init(wxEvtHandler *parent, int id, bool redirect); + + int m_id; + +#if wxUSE_STREAMS + wxInputStream *m_inputStream, + *m_errorStream; + wxOutputStream *m_outputStream; +#endif // wxUSE_STREAMS + + bool m_redirect; + + DECLARE_DYNAMIC_CLASS(wxProcess) }; -// Process Event handling +// ---------------------------------------------------------------------------- +// wxProcess events +// ---------------------------------------------------------------------------- + +BEGIN_DECLARE_EVENT_TYPES() + DECLARE_EVENT_TYPE(wxEVT_END_PROCESS, 440) +END_DECLARE_EVENT_TYPES() -class WXDLLEXPORT wxProcessEvent: public wxEvent +class WXDLLEXPORT wxProcessEvent : public wxEvent { - DECLARE_DYNAMIC_CLASS(wxProcessEvent) - public: +public: + wxProcessEvent(int id = 0, int pid = 0, int exitcode = 0) : wxEvent(id) + { + m_eventType = wxEVT_END_PROCESS; + m_pid = pid; + m_exitcode = exitcode; + } + + // accessors + // PID of process which terminated + int GetPid() { return m_pid; } + + // the exit code + int GetExitCode() { return m_exitcode; } - wxProcessEvent(int id = 0, int pid = -1); - - inline int GetPid() { return m_pid; } - inline void SetPid(int pid) { m_pid = pid; } +public: + int m_pid, m_exitcode; - public: - int m_pid; + DECLARE_DYNAMIC_CLASS(wxProcessEvent) }; typedef void (wxObject::*wxProcessEventFunction)(wxProcessEvent&); -#define EVT_END_PROCESS(id, func) { wxEVT_END_TERMINATE, id, -1, (wxObjectEvent) (wxEventFunction) (wxProcessEventFunction) & fn, NULL}, +#define EVT_END_PROCESS(id, func) \ + DECLARE_EVENT_TABLE_ENTRY( wxEVT_END_PROCESS, id, -1, (wxObjectEventFunction) (wxEventFunction) (wxProcessEventFunction) & func, NULL), #endif - // __PROCESSH__ + // _WX_PROCESSH__