145 lines
4.1 KiB
C
145 lines
4.1 KiB
C
/*
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*Copyright (C) 2003-2004 Harold L Hunt II All Rights Reserved.
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*
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*Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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*"Software"), to deal in the Software without restriction, including
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*without limitation the rights to use, copy, modify, merge, publish,
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*distribute, sublicense, and/or sell copies of the Software, and to
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*permit persons to whom the Software is furnished to do so, subject to
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*the following conditions:
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*
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*The above copyright notice and this permission notice shall be
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*included in all copies or substantial portions of the Software.
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*
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*THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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*EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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*MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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*NONINFRINGEMENT. IN NO EVENT SHALL HAROLD L HUNT II BE LIABLE FOR
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*ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
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*CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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*WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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*Except as contained in this notice, the name of Harold L Hunt II
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*shall not be used in advertising or otherwise to promote the sale, use
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*or other dealings in this Software without prior written authorization
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*from Harold L Hunt II.
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*
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* Authors: Harold L Hunt II
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*/
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#ifdef HAVE_XWIN_CONFIG_H
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#include <xwin-config.h>
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#endif
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#include <unistd.h>
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#include <pthread.h>
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#include "win.h"
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#include "winclipboard/winclipboard.h"
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#include "windisplay.h"
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#include "winauth.h"
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#define WIN_CLIPBOARD_RETRIES 40
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#define WIN_CLIPBOARD_DELAY 1
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/*
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* Local variables
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*/
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static pthread_t g_ptClipboardProc;
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/*
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*
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*/
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static void *
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winClipboardThreadProc(void *arg)
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{
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char szDisplay[512];
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xcb_auth_info_t *auth_info;
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int clipboardRestarts = 0;
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while (1)
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{
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Bool fShutdown;
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++clipboardRestarts;
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/* Setup the display connection string */
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/*
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* NOTE: Always connect to screen 0 since we require that screen
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* numbers start at 0 and increase without gaps. We only need
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* to connect to one screen on the display to get events
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* for all screens on the display. That is why there is only
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* one clipboard client thread.
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*/
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winGetDisplayName(szDisplay, 0);
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/* Print the display connection string */
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ErrorF("winClipboardThreadProc - DISPLAY=%s\n", szDisplay);
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/* Flag that clipboard client has been launched */
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g_fClipboardStarted = TRUE;
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/* Use our generated cookie for authentication */
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auth_info = winGetXcbAuthInfo();
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fShutdown = winClipboardProc(szDisplay, auth_info);
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/* Flag that clipboard client has stopped */
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g_fClipboardStarted = FALSE;
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if (fShutdown)
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break;
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/* checking if we need to restart */
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if (clipboardRestarts >= WIN_CLIPBOARD_RETRIES) {
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/* terminates clipboard thread but the main server still lives */
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ErrorF("winClipboardProc - the clipboard thread has restarted %d times and seems to be unstable, disabling clipboard integration\n", clipboardRestarts);
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g_fClipboard = FALSE;
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break;
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}
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sleep(WIN_CLIPBOARD_DELAY);
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ErrorF("winClipboardProc - trying to restart clipboard thread \n");
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}
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return NULL;
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}
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/*
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* Intialize the Clipboard module
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*/
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Bool
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winInitClipboard(void)
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{
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winDebug("winInitClipboard ()\n");
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/* Spawn a thread for the Clipboard module */
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if (pthread_create(&g_ptClipboardProc, NULL, winClipboardThreadProc, NULL)) {
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/* Bail if thread creation failed */
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ErrorF("winInitClipboard - pthread_create failed.\n");
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return FALSE;
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}
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return TRUE;
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}
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void
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winClipboardShutdown(void)
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{
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/* Close down clipboard resources */
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if (g_fClipboard && g_fClipboardStarted) {
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/* Synchronously destroy the clipboard window */
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winClipboardWindowDestroy();
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/* Wait for the clipboard thread to exit */
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pthread_join(g_ptClipboardProc, NULL);
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g_fClipboardStarted = FALSE;
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winDebug("winClipboardShutdown - Clipboard thread has exited.\n");
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}
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}
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