projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c78e7c7 RR |
1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: threadgui.inc | |
| 3 | // Purpose: GUI thread manager for GTK | |
| 4 | // Author: Original from Wolfram Gloger/Guilhem Lavaux | |
| 5 | // Modified by: | |
| 6 | // Created: 04/22/98 | |
| 7 | // RCS-ID: $Id$ | |
| 8 | // Copyright: (c) Wolfram Gloger (1996, 1997); Guilhem Lavaux (1998) | |
| 9 | // Licence: wxWindows licence | |
| 10 | ///////////////////////////////////////////////////////////////////////////// | |
| 11 | ||
| 12 | #include <stdio.h> | |
| 13 | #include <unistd.h> | |
| 14 | ||
| 15 | // for select() | |
| 16 | #include <sys/time.h> | |
| 17 | #include <sys/types.h> | |
| 18 | #ifdef __sgi | |
| 19 | #include <bstring.h> | |
| 20 | #endif | |
| 21 | ||
| 22 | #include <gdk/gdk.h> | |
| 23 | ||
| 24 | ||
| 25 | ///////////////////////////////////////////////////////////////////////////// | |
| 26 | // Static variables | |
| 27 | ///////////////////////////////////////////////////////////////////////////// | |
| 28 | ||
| 29 | static int p_thrd_pipe[2] = { -1, -1 }; | |
| 30 | // WorkProc in GTK | |
| 31 | static gint p_thrd_inid; | |
| 32 | ||
| 33 | #define THREAD_SEND_EXIT_MSG(ptr) write(p_thrd_pipe[1], &ptr, sizeof(ptr)); | |
| 34 | ||
| 35 | static void | |
| 36 | ThreadExitProc(gpointer WXUNUSED(client), gint fid, | |
| 37 | GdkInputCondition WXUNUSED(cond)) | |
| 38 | { | |
| 39 | wxThread* ptr; | |
| 40 | ||
| 41 | if (fid != p_thrd_pipe[0]) | |
| 42 | return; | |
| 43 | if (read(fid, &ptr, sizeof(ptr)) == sizeof(ptr)) { | |
| 44 | //fprintf(stderr, "calling OnExit %p\n", ptr); | |
| 45 | ptr->OnExit(); | |
| 46 | } else { | |
| 47 | //fprintf(stderr, "this should never happen\n"); | |
| 48 | } | |
| 49 | } | |
| 50 | ||
| 51 | // Global initialization | |
| 52 | static void wxThreadGuiInit() | |
| 53 | { | |
| 54 | pipe(p_thrd_pipe); | |
| 55 | p_thrd_inid = gdk_input_add(p_thrd_pipe[0], GDK_INPUT_READ, | |
| 56 | ThreadExitProc, 0); | |
| 57 | } | |
| 58 | ||
| 59 | // Global cleanup | |
| 60 | static void wxThreadGuiExit() | |
| 61 | { | |
| 62 | gdk_input_remove(p_thrd_inid); | |
| 63 | close(p_thrd_pipe[0]); | |
| 64 | close(p_thrd_pipe[1]); | |
| 65 | } |