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