diff options
Diffstat (limited to 'nx-X11/lib/X11/PeekIfEv.c.NX.original')
-rw-r--r-- | nx-X11/lib/X11/PeekIfEv.c.NX.original | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/nx-X11/lib/X11/PeekIfEv.c.NX.original b/nx-X11/lib/X11/PeekIfEv.c.NX.original deleted file mode 100644 index a8da27932..000000000 --- a/nx-X11/lib/X11/PeekIfEv.c.NX.original +++ /dev/null @@ -1,81 +0,0 @@ -/* $Xorg: PeekIfEv.c,v 1.4 2001/02/09 02:03:35 xorgcvs Exp $ */ -/* - -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. - -*/ -/* $XFree86: xc/lib/X11/PeekIfEv.c,v 1.4 2001/12/14 19:54:03 dawes Exp $ */ - -#define NEED_EVENTS -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include "Xlibint.h" - -/* - * return the next event in the queue that satisfies the predicate. - * BUT do not remove it from the queue. - * If none found, flush, and then wait until one satisfies the predicate. - */ - -int -XPeekIfEvent (dpy, event, predicate, arg) - register Display *dpy; - register XEvent *event; - Bool (*predicate)( - Display* /* display */, - XEvent* /* event */, - char* /* arg */ - ); - char *arg; -{ - register _XQEvent *prev, *qelt; - unsigned long qe_serial = 0; - - LockDisplay(dpy); - prev = NULL; - while (1) { - for (qelt = prev ? prev->next : dpy->head; - qelt; - prev = qelt, qelt = qelt->next) { - if(qelt->qserial_num > qe_serial - && (*predicate)(dpy, &qelt->event, arg)) { - *event = qelt->event; - UnlockDisplay(dpy); - return 0; - } - } - if (prev) - qe_serial = prev->qserial_num; - _XReadEvents(dpy); - if (prev && prev->qserial_num != qe_serial) - /* another thread has snatched this event */ - prev = NULL; -#ifdef NX_TRANS_SOCKET - if (_XGetIOError(dpy)) { - return 0; - } -#endif - } -} - |