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-rw-r--r--nx-X11/lib/src/ErrHndlr.c86
1 files changed, 86 insertions, 0 deletions
diff --git a/nx-X11/lib/src/ErrHndlr.c b/nx-X11/lib/src/ErrHndlr.c
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index 000000000..167a68b1e
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+++ b/nx-X11/lib/src/ErrHndlr.c
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+/*
+
+Copyright 1986, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of The Open Group shall not be
+used in advertising or otherwise to promote the sale, use or other dealings
+in this Software without prior written authorization from The Open Group.
+
+*/
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+#include "Xlibint.h"
+
+/*
+ * XErrorHandler - This procedure sets the X non-fatal error handler
+ * (_XErrorFunction) to be the specified routine. If NULL is passed in
+ * the original error handler is restored.
+ */
+
+XErrorHandler
+XSetErrorHandler(XErrorHandler handler)
+{
+ int (*oldhandler)(Display *dpy, XErrorEvent *event);
+
+ _XLockMutex(_Xglobal_lock);
+ oldhandler = _XErrorFunction;
+
+ if (!oldhandler)
+ oldhandler = _XDefaultError;
+
+ if (handler != NULL) {
+ _XErrorFunction = handler;
+ }
+ else {
+ _XErrorFunction = _XDefaultError;
+ }
+ _XUnlockMutex(_Xglobal_lock);
+
+ return (XErrorHandler) oldhandler;
+}
+
+/*
+ * XIOErrorHandler - This procedure sets the X fatal I/O error handler
+ * (_XIOErrorFunction) to be the specified routine. If NULL is passed in
+ * the original error handler is restored.
+ */
+
+XIOErrorHandler
+XSetIOErrorHandler(XIOErrorHandler handler)
+{
+ int (*oldhandler)(Display *dpy);
+
+ _XLockMutex(_Xglobal_lock);
+ oldhandler = _XIOErrorFunction;
+
+ if (!oldhandler)
+ oldhandler = _XDefaultIOError;
+
+ if (handler != NULL) {
+ _XIOErrorFunction = handler;
+ }
+ else {
+ _XIOErrorFunction = _XDefaultIOError;
+ }
+ _XUnlockMutex(_Xglobal_lock);
+
+ return (XIOErrorHandler) oldhandler;
+}