| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/unix/execute.h |
| 3 | // Purpose: private details of wxExecute() implementation |
| 4 | // Author: Vadim Zeitlin |
| 5 | // Id: $Id$ |
| 6 | // Copyright: (c) 1998 Robert Roebling, Julian Smart, Vadim Zeitlin |
| 7 | // Licence: wxWindows licence |
| 8 | ///////////////////////////////////////////////////////////////////////////// |
| 9 | |
| 10 | #ifndef _WX_UNIX_EXECUTE_H |
| 11 | #define _WX_UNIX_EXECUTE_H |
| 12 | |
| 13 | #include "wx/unix/pipe.h" |
| 14 | |
| 15 | class WXDLLIMPEXP_FWD_BASE wxProcess; |
| 16 | class wxStreamTempInputBuffer; |
| 17 | |
| 18 | struct wxEndProcessData |
| 19 | { |
| 20 | wxEndProcessData() |
| 21 | { |
| 22 | pid = |
| 23 | tag = |
| 24 | exitcode = -1; |
| 25 | process = NULL; |
| 26 | async = false; |
| 27 | } |
| 28 | |
| 29 | int pid; // pid of the process |
| 30 | int tag; // port dependent value |
| 31 | wxProcess *process; // if !NULL: notified on process termination |
| 32 | int exitcode; // the exit code |
| 33 | bool async; // if true, delete us on process termination |
| 34 | }; |
| 35 | |
| 36 | // struct in which information is passed from wxExecute() to wxAppTraits |
| 37 | // methods |
| 38 | struct wxExecuteData |
| 39 | { |
| 40 | wxExecuteData() |
| 41 | { |
| 42 | flags = |
| 43 | pid = 0; |
| 44 | |
| 45 | process = NULL; |
| 46 | |
| 47 | #if wxUSE_STREAMS |
| 48 | bufOut = |
| 49 | bufErr = NULL; |
| 50 | |
| 51 | fdOut = |
| 52 | fdErr = wxPipe::INVALID_FD; |
| 53 | #endif // wxUSE_STREAMS |
| 54 | } |
| 55 | |
| 56 | // get the FD corresponding to the read end of the process end detection |
| 57 | // pipe and close the write one |
| 58 | int GetEndProcReadFD() |
| 59 | { |
| 60 | const int fd = pipeEndProcDetect.Detach(wxPipe::Read); |
| 61 | pipeEndProcDetect.Close(); |
| 62 | return fd; |
| 63 | } |
| 64 | |
| 65 | |
| 66 | // wxExecute() flags |
| 67 | int flags; |
| 68 | |
| 69 | // the pid of the child process |
| 70 | int pid; |
| 71 | |
| 72 | // the associated process object or NULL |
| 73 | wxProcess *process; |
| 74 | |
| 75 | // pipe used for end process detection |
| 76 | wxPipe pipeEndProcDetect; |
| 77 | |
| 78 | #if wxUSE_STREAMS |
| 79 | // the input buffer bufOut is connected to stdout, this is why it is |
| 80 | // called bufOut and not bufIn |
| 81 | wxStreamTempInputBuffer *bufOut, |
| 82 | *bufErr; |
| 83 | |
| 84 | // the corresponding FDs, -1 if not redirected |
| 85 | int fdOut, |
| 86 | fdErr; |
| 87 | #endif // wxUSE_STREAMS |
| 88 | }; |
| 89 | |
| 90 | // this function is called when the process terminates from port specific |
| 91 | // callback function and is common to all ports (src/unix/utilsunx.cpp) |
| 92 | extern WXDLLIMPEXP_BASE void wxHandleProcessTermination(wxEndProcessData *proc_data); |
| 93 | |
| 94 | #endif // _WX_UNIX_EXECUTE_H |