577 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			577 lines
		
	
	
		
			19 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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Darwin event queue and event handling
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Copyright 2007-2008 Apple Inc.
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Copyright 2004 Kaleb S. KEITHLEY. All Rights Reserved.
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Copyright (c) 2002-2004 Torrey T. Lyons. All Rights Reserved.
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This file is based on mieq.c by Keith Packard,
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which contains the following copyright:
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Copyright 1990, 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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#include "sanitizedCarbon.h"
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#define NEED_EVENTS
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#include   <X11/X.h>
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#include   <X11/Xmd.h>
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#include   <X11/Xproto.h>
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#include   "misc.h"
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#include   "windowstr.h"
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#include   "pixmapstr.h"
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#include   "inputstr.h"
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#include   "mi.h"
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#include   "scrnintstr.h"
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#include   "mipointer.h"
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#include   "os.h"
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#include "darwin.h"
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#include "quartz.h"
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#include "quartzKeyboard.h"
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#include "darwinEvents.h"
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#include <sys/types.h>
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#include <sys/uio.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <errno.h>
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#include <IOKit/hidsystem/IOLLEvent.h>
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/* Fake button press/release for scroll wheel move. */
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#define SCROLLWHEELUPFAKE    4
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#define SCROLLWHEELDOWNFAKE  5
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#define SCROLLWHEELLEFTFAKE  6
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#define SCROLLWHEELRIGHTFAKE 7
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/* These values were chosen to match the output of xinput under Linux */
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#define SCALEFACTOR_TILT        64.0
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#define SCALEFACTOR_PRESSURE    1023.0
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#define _APPLEWM_SERVER_
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#include "applewmExt.h"
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#include <X11/extensions/applewm.h>
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/* FIXME: Abstract this better */
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void QuartzModeEQInit(void);
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int darwin_modifier_flags = 0;  // last known modifier state
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#define FD_ADD_MAX 128
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static int fd_add[FD_ADD_MAX];
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int fd_add_count = 0;
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static pthread_mutex_t fd_add_lock = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t fd_add_ready_cond = PTHREAD_COND_INITIALIZER;
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static pthread_t fd_add_tid = NULL;
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static xEvent *darwinEvents = NULL;
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static pthread_mutex_t mieq_lock = PTHREAD_MUTEX_INITIALIZER;
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static pthread_cond_t mieq_ready_cond = PTHREAD_COND_INITIALIZER;
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/*** Pthread Magics ***/
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static pthread_t create_thread(void *func, void *arg) {
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    pthread_attr_t attr;
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    pthread_t tid;
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    pthread_attr_init (&attr);
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    pthread_attr_setscope (&attr, PTHREAD_SCOPE_SYSTEM);
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    pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
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    pthread_create (&tid, &attr, func, arg);
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    pthread_attr_destroy (&attr);
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    return tid;
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}
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static inline void darwinEvents_lock(void) {
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    int err;
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    if((err = pthread_mutex_lock(&mieq_lock))) {
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        ErrorF("%s:%s:%d: Failed to lock mieq_lock: %d\n",
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               __FILE__, __FUNCTION__, __LINE__, err);
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        spewCallStack();
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    }
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    if(darwinEvents == NULL) {
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        pthread_cond_wait(&mieq_ready_cond, &mieq_lock);
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    }
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}
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static inline void darwinEvents_unlock(void) {
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    int err;
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    if((err = pthread_mutex_unlock(&mieq_lock))) {
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        ErrorF("%s:%s:%d: Failed to unlock mieq_lock: %d\n",
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               __FILE__, __FUNCTION__, __LINE__, err);
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        spewCallStack();
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    }
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}
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/*
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 * DarwinPressModifierKey
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 * Press or release the given modifier key (one of NX_MODIFIERKEY_* constants)
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 */
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static void DarwinPressModifierKey(int pressed, int key) {
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    int keycode = DarwinModifierNXKeyToNXKeycode(key, 0);
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    if (keycode == 0) {
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        ErrorF("DarwinPressModifierKey bad keycode: key=%d\n", key);
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        return;
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    }
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    DarwinSendKeyboardEvents(pressed, keycode);
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}
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/*
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 * DarwinUpdateModifiers
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 *  Send events to update the modifier state.
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 */
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static int modifier_mask_list[] = {
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    NX_SECONDARYFNMASK, NX_NUMERICPADMASK, NX_HELPMASK,
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#ifdef NX_DEVICELCMDKEYMASK
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    NX_DEVICELCTLKEYMASK, NX_DEVICERCTLKEYMASK,
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    NX_DEVICELSHIFTKEYMASK, NX_DEVICERSHIFTKEYMASK,
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    NX_DEVICELCMDKEYMASK, NX_DEVICERCMDKEYMASK,
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    NX_DEVICELALTKEYMASK, NX_DEVICERALTKEYMASK,
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#else
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    NX_CONTROLMASK, NX_SHIFTMASK, NX_COMMANDMASK, NX_ALTERNATEMASK,
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#endif
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    0
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};
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static void DarwinUpdateModifiers(
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    int pressed,        // KeyPress or KeyRelease
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    int flags )         // modifier flags that have changed
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{
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    int *f;
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    /* Capslock is special.  This mask is the state of capslock (on/off),
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     * not the state of the button.  Hopefully we can find a better solution.
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     */
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    if(NX_ALPHASHIFTMASK & flags) {
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        DarwinPressModifierKey(KeyPress, NX_MODIFIERKEY_ALPHALOCK);
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        DarwinPressModifierKey(KeyRelease, NX_MODIFIERKEY_ALPHALOCK);
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    }
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    for(f=modifier_mask_list; *f; f++)
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        if(*f & flags)
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            DarwinPressModifierKey(pressed, DarwinModifierNXMaskToNXKey(*f));
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}
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/* Generic handler for Xquartz-specifc events.  When possible, these should
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   be moved into their own individual functions and set as handlers using
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   mieqSetHandler. */
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static void DarwinEventHandler(int screenNum, xEventPtr xe, DeviceIntPtr dev, int nevents) {
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    int i;
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    TA_SERVER();
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    DEBUG_LOG("DarwinEventHandler(%d, %p, %p, %d)\n", screenNum, xe, dev, nevents);
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    for (i=0; i<nevents; i++) {
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        switch(xe[i].u.u.type) {
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            case kXquartzControllerNotify:
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                DEBUG_LOG("kXquartzControllerNotify\n");
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                AppleWMSendEvent(AppleWMControllerNotify,
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                                 AppleWMControllerNotifyMask,
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                                 xe[i].u.clientMessage.u.l.longs0,
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                                 xe[i].u.clientMessage.u.l.longs1);
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                break;
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            case kXquartzPasteboardNotify:
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                DEBUG_LOG("kXquartzPasteboardNotify\n");
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                AppleWMSendEvent(AppleWMPasteboardNotify,
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                                 AppleWMPasteboardNotifyMask,
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                                 xe[i].u.clientMessage.u.l.longs0,
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                                 xe[i].u.clientMessage.u.l.longs1);
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                break;
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            case kXquartzActivate:
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                DEBUG_LOG("kXquartzActivate\n");
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                QuartzShow(xe[i].u.keyButtonPointer.rootX,
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                           xe[i].u.keyButtonPointer.rootY);
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                AppleWMSendEvent(AppleWMActivationNotify,
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                                 AppleWMActivationNotifyMask,
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                                 AppleWMIsActive, 0);
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                break;
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            case kXquartzDeactivate:
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                DEBUG_LOG("kXquartzDeactivate\n");
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                AppleWMSendEvent(AppleWMActivationNotify,
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                                 AppleWMActivationNotifyMask,
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                                 AppleWMIsInactive, 0);
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                QuartzHide();
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                break;
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            case kXquartzToggleFullscreen:
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                DEBUG_LOG("kXquartzToggleFullscreen\n");
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#ifdef DARWIN_DDX_MISSING
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                if (quartzEnableRootless) 
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                    QuartzSetFullscreen(!quartzHasRoot);
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                else if (quartzHasRoot)
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                    QuartzHide();
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                else
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                    QuartzShow();
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#else
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                //      ErrorF("kXquartzToggleFullscreen not implemented\n");               
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#endif
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                break;
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            case kXquartzSetRootless:
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                DEBUG_LOG("kXquartzSetRootless\n");
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#ifdef DARWIN_DDX_MISSING
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                QuartzSetRootless(xe[i].u.clientMessage.u.l.longs0);
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                if (!quartzEnableRootless && !quartzHasRoot)
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                    QuartzHide();
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#else
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                //      ErrorF("kXquartzSetRootless not implemented\n");                    
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#endif
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                break;
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            case kXquartzSetRootClip:
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                QuartzSetRootClip((Bool)xe[i].u.clientMessage.u.l.longs0);
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                break;
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            case kXquartzQuit:
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                GiveUp(0);
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                break;
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            case kXquartzSpaceChanged:
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                DEBUG_LOG("kXquartzSpaceChanged\n");
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                QuartzSpaceChanged(xe[i].u.clientMessage.u.l.longs0);
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                break;
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            default:
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                ErrorF("Unknown application defined event type %d.\n", xe[i].u.u.type);
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		}	
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    }
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}
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#ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
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int xquartz_launchd_fd = -1;
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#endif
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void DarwinListenOnOpenFD(int fd) {
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    ErrorF("DarwinListenOnOpenFD: %d\n", fd);
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#ifdef XQUARTZ_EXPORTS_LAUNCHD_FD
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    xquartz_launchd_fd = fd;
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#else
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    pthread_mutex_lock(&fd_add_lock);
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    if(fd_add_count < FD_ADD_MAX)
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        fd_add[fd_add_count++] = fd;
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    else
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        ErrorF("FD Addition buffer at max.  Dropping fd addition request.\n");
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    pthread_cond_broadcast(&fd_add_ready_cond);
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    pthread_mutex_unlock(&fd_add_lock);
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#endif
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}
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static void DarwinProcessFDAdditionQueue_thread(void *args) {
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    pthread_mutex_lock(&fd_add_lock);
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    while(true) {
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        while(fd_add_count) {
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            DarwinSendDDXEvent(kXquartzListenOnOpenFD, 1, fd_add[--fd_add_count]);
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        }
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        pthread_cond_wait(&fd_add_ready_cond, &fd_add_lock);
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    }
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}
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static void kXquartzListenOnOpenFDHandler(int screenNum, xEventPtr xe, DeviceIntPtr dev, int nevents) {
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    size_t i;
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    TA_SERVER();
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    for (i=0; i<nevents; i++) {
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        ErrorF("Calling ListenOnOpenFD() for new fd: %d\n", (int)xe[i].u.clientMessage.u.l.longs0);
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        ListenOnOpenFD((int)xe[i].u.clientMessage.u.l.longs0, 1);
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    }
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}
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Bool DarwinEQInit(void) { 
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    mieqInit();
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    mieqSetHandler(kXquartzReloadKeymap, DarwinKeyboardReloadHandler);
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    mieqSetHandler(kXquartzActivate, DarwinEventHandler);
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    mieqSetHandler(kXquartzDeactivate, DarwinEventHandler);
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    mieqSetHandler(kXquartzSetRootClip, DarwinEventHandler);
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    mieqSetHandler(kXquartzQuit, DarwinEventHandler);
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    mieqSetHandler(kXquartzReadPasteboard, QuartzReadPasteboard);
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    mieqSetHandler(kXquartzWritePasteboard, QuartzWritePasteboard);
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    mieqSetHandler(kXquartzToggleFullscreen, DarwinEventHandler);
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    mieqSetHandler(kXquartzSetRootless, DarwinEventHandler);
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    mieqSetHandler(kXquartzSpaceChanged, DarwinEventHandler);
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    mieqSetHandler(kXquartzControllerNotify, DarwinEventHandler);
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    mieqSetHandler(kXquartzPasteboardNotify, DarwinEventHandler);
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    mieqSetHandler(kXquartzDisplayChanged, QuartzDisplayChangedHandler);
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    mieqSetHandler(kXquartzListenOnOpenFD, kXquartzListenOnOpenFDHandler);
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    QuartzModeEQInit();
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    /* Note that this *could* cause a potential async issue, since we're checking
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     * darwinEvents without holding the lock, but darwinEvents is only ever set
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     * here, so I don't bother.
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     */
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    if (!darwinEvents) {
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        darwinEvents = (xEvent *)xcalloc(sizeof(xEvent), GetMaximumEventsNum());
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        if (!darwinEvents)
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            FatalError("Couldn't allocate event buffer\n");
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        darwinEvents_lock();
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        pthread_cond_broadcast(&mieq_ready_cond);
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        darwinEvents_unlock();
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    }
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    if(!fd_add_tid)
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        fd_add_tid = create_thread(DarwinProcessFDAdditionQueue_thread, NULL);
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    return TRUE;
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}
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/*
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 * ProcessInputEvents
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 *  Read and process events from the event queue until it is empty.
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 */
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void ProcessInputEvents(void) {
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    xEvent  xe;
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	int x = sizeof(xe);
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    TA_SERVER();
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    mieqProcessInputEvents();
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    // Empty the signaling pipe
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    while (x == sizeof(xe)) {
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      x = read(darwinEventReadFD, &xe, sizeof(xe));
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    }
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}
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/* Sends a null byte down darwinEventWriteFD, which will cause the
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   Dispatch() event loop to check out event queue */
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static void DarwinPokeEQ(void) {
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	char nullbyte=0;
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	//  <daniels> oh, i ... er ... christ.
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	write(darwinEventWriteFD, &nullbyte, 1);
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}
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/* Convert from Appkit pointer input values to X input values:
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 * Note: pointer_x and pointer_y are relative to the upper-left of primary
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 *       display.
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 */
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static void DarwinPrepareValuators(int *valuators, ScreenPtr screen,
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                                   int pointer_x, int pointer_y, 
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                                   float pressure, float tilt_x, float tilt_y) {
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    /* Fix offset between darwin and X screens */
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    pointer_x -= darwinMainScreenX + dixScreenOrigins[screen->myNum].x;
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    pointer_y -= darwinMainScreenY + dixScreenOrigins[screen->myNum].y;
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    /* Setup our array of values */
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    valuators[0] = pointer_x;
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    valuators[1] = pointer_y;
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    valuators[2] = pressure * SCALEFACTOR_PRESSURE;
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    valuators[3] = tilt_x * SCALEFACTOR_TILT;
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    valuators[4] = tilt_y * SCALEFACTOR_TILT;
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    DEBUG_LOG("Valuators: {%d,%d,%d,%d,%d}\n", 
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              valuators[0], valuators[1], valuators[2], valuators[3], valuators[4]);
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}
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void DarwinSendPointerEvents(int ev_type, int ev_button, int pointer_x, int pointer_y, 
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			     float pressure, float tilt_x, float tilt_y) {
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	static int darwinFakeMouseButtonDown = 0;
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	int i, num_events;
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	DeviceIntPtr dev;
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    ScreenPtr screen;
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    int valuators[5];
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    DEBUG_LOG("x=%d, y=%d, p=%f, tx=%f, ty=%f\n", pointer_x, pointer_y, pressure, tilt_x, tilt_y);
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	if(!darwinEvents) {
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		DEBUG_LOG("DarwinSendPointerEvents called before darwinEvents was initialized\n");
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		return;
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	}
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	if (pressure == 0 && tilt_x == 0 && tilt_y == 0)
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        dev = darwinPointer;
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	else
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        dev = darwinTabletCurrent;
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    screen = miPointerGetScreen(dev);
 | 
						|
    if(!screen) {
 | 
						|
        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
 | 
						|
        return;
 | 
						|
    }
 | 
						|
 | 
						|
    /* Handle fake click */
 | 
						|
	if (ev_type == ButtonPress && darwinFakeButtons && ev_button == 1) {
 | 
						|
        if(darwinFakeMouseButtonDown != 0) {
 | 
						|
            /* We're currently "down" with another button, so release it first */
 | 
						|
            DarwinSendPointerEvents(ButtonRelease, darwinFakeMouseButtonDown, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
            darwinFakeMouseButtonDown=0;
 | 
						|
        }
 | 
						|
		if (darwin_modifier_flags & darwinFakeMouse2Mask) {
 | 
						|
            ev_button = 2;
 | 
						|
			darwinFakeMouseButtonDown = 2;
 | 
						|
            DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse2Mask);
 | 
						|
		} else if (darwin_modifier_flags & darwinFakeMouse3Mask) {
 | 
						|
            ev_button = 3;
 | 
						|
			darwinFakeMouseButtonDown = 3;
 | 
						|
            DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse3Mask);
 | 
						|
		}
 | 
						|
	}
 | 
						|
 | 
						|
	if (ev_type == ButtonRelease && ev_button == 1) {
 | 
						|
        if(darwinFakeMouseButtonDown) {
 | 
						|
            ev_button = darwinFakeMouseButtonDown;
 | 
						|
        }
 | 
						|
 | 
						|
        if(darwinFakeMouseButtonDown == 2) {
 | 
						|
            DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse2Mask);
 | 
						|
        } else if(darwinFakeMouseButtonDown == 3) {
 | 
						|
            DarwinUpdateModKeys(darwin_modifier_flags & ~darwinFakeMouse3Mask);
 | 
						|
        }
 | 
						|
 | 
						|
        darwinFakeMouseButtonDown = 0;
 | 
						|
	}
 | 
						|
 | 
						|
    DarwinPrepareValuators(valuators, screen, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
    darwinEvents_lock(); {
 | 
						|
        num_events = GetPointerEvents(darwinEvents, dev, ev_type, ev_button, 
 | 
						|
                                      POINTER_ABSOLUTE, 0, dev==darwinTabletCurrent?5:2, valuators);
 | 
						|
        for(i=0; i<num_events; i++) mieqEnqueue (dev, &darwinEvents[i]);
 | 
						|
        DarwinPokeEQ();
 | 
						|
    } darwinEvents_unlock();
 | 
						|
}
 | 
						|
 | 
						|
void DarwinSendKeyboardEvents(int ev_type, int keycode) {
 | 
						|
	int i, num_events;
 | 
						|
 | 
						|
	if(!darwinEvents) {
 | 
						|
		DEBUG_LOG("DarwinSendKeyboardEvents called before darwinEvents was initialized\n");
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
    darwinEvents_lock(); {
 | 
						|
        num_events = GetKeyboardEvents(darwinEvents, darwinKeyboard, ev_type, keycode + MIN_KEYCODE);
 | 
						|
        for(i=0; i<num_events; i++) mieqEnqueue(darwinKeyboard,&darwinEvents[i]);
 | 
						|
        DarwinPokeEQ();
 | 
						|
    } darwinEvents_unlock();
 | 
						|
}
 | 
						|
 | 
						|
void DarwinSendProximityEvents(int ev_type, int pointer_x, int pointer_y) {
 | 
						|
	int i, num_events;
 | 
						|
    ScreenPtr screen;
 | 
						|
    DeviceIntPtr dev = darwinTabletCurrent;
 | 
						|
    int valuators[5];
 | 
						|
 | 
						|
	DEBUG_LOG("DarwinSendProximityEvents(%d, %d, %d)\n", ev_type, pointer_x, pointer_y);
 | 
						|
 | 
						|
	if(!darwinEvents) {
 | 
						|
		DEBUG_LOG("DarwinSendProximityEvents called before darwinEvents was initialized\n");
 | 
						|
		return;
 | 
						|
	}
 | 
						|
    
 | 
						|
    screen = miPointerGetScreen(dev);
 | 
						|
    if(!screen) {
 | 
						|
        DEBUG_LOG("DarwinSendPointerEvents called before screen was initialized\n");
 | 
						|
        return;
 | 
						|
    }    
 | 
						|
 | 
						|
    DarwinPrepareValuators(valuators, screen, pointer_x, pointer_y, 0.0f, 0.0f, 0.0f);
 | 
						|
    darwinEvents_lock(); {
 | 
						|
        num_events = GetProximityEvents(darwinEvents, dev, ev_type,
 | 
						|
                                        0, 5, valuators);
 | 
						|
        for(i=0; i<num_events; i++) mieqEnqueue (dev,&darwinEvents[i]);
 | 
						|
        DarwinPokeEQ();
 | 
						|
    } darwinEvents_unlock();
 | 
						|
}
 | 
						|
 | 
						|
 | 
						|
/* Send the appropriate number of button clicks to emulate scroll wheel */
 | 
						|
void DarwinSendScrollEvents(float count_x, float count_y, 
 | 
						|
							int pointer_x, int pointer_y, 
 | 
						|
			    			float pressure, float tilt_x, float tilt_y) {
 | 
						|
	if(!darwinEvents) {
 | 
						|
		DEBUG_LOG("DarwinSendScrollEvents called before darwinEvents was initialized\n");
 | 
						|
		return;
 | 
						|
	}
 | 
						|
 | 
						|
	int sign_x = count_x > 0.0f ? SCROLLWHEELLEFTFAKE : SCROLLWHEELRIGHTFAKE;
 | 
						|
	int sign_y = count_y > 0.0f ? SCROLLWHEELUPFAKE : SCROLLWHEELDOWNFAKE;
 | 
						|
	count_x = fabs(count_x);
 | 
						|
	count_y = fabs(count_y);
 | 
						|
	
 | 
						|
	while ((count_x > 0.0f) || (count_y > 0.0f)) {
 | 
						|
		if (count_x > 0.0f) {
 | 
						|
			DarwinSendPointerEvents(ButtonPress, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
			DarwinSendPointerEvents(ButtonRelease, sign_x, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
			count_x = count_x - 1.0f;
 | 
						|
		}
 | 
						|
		if (count_y > 0.0f) {
 | 
						|
			DarwinSendPointerEvents(ButtonPress, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
			DarwinSendPointerEvents(ButtonRelease, sign_y, pointer_x, pointer_y, pressure, tilt_x, tilt_y);
 | 
						|
			count_y = count_y - 1.0f;
 | 
						|
		}
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
/* Send the appropriate KeyPress/KeyRelease events to GetKeyboardEvents to
 | 
						|
   reflect changing modifier flags (alt, control, meta, etc) */
 | 
						|
void DarwinUpdateModKeys(int flags) {
 | 
						|
	DarwinUpdateModifiers(KeyRelease, darwin_modifier_flags & ~flags);
 | 
						|
	DarwinUpdateModifiers(KeyPress, ~darwin_modifier_flags & flags);
 | 
						|
	darwin_modifier_flags = flags;
 | 
						|
}
 | 
						|
 | 
						|
/*
 | 
						|
 * DarwinSendDDXEvent
 | 
						|
 *  Send the X server thread a message by placing it on the event queue.
 | 
						|
 */
 | 
						|
void DarwinSendDDXEvent(int type, int argc, ...) {
 | 
						|
    xEvent xe;
 | 
						|
    INT32 *argv;
 | 
						|
    int i, max_args;
 | 
						|
    va_list args;
 | 
						|
 | 
						|
    memset(&xe, 0, sizeof(xe));
 | 
						|
    xe.u.u.type = type;
 | 
						|
    xe.u.clientMessage.u.l.type = type;
 | 
						|
 | 
						|
    argv = &xe.u.clientMessage.u.l.longs0;
 | 
						|
    max_args = 4;
 | 
						|
 | 
						|
    if (argc > 0 && argc <= max_args) {
 | 
						|
        va_start (args, argc);
 | 
						|
        for (i = 0; i < argc; i++)
 | 
						|
            argv[i] = (int) va_arg (args, int);
 | 
						|
        va_end (args);
 | 
						|
    }
 | 
						|
 | 
						|
    darwinEvents_lock(); {
 | 
						|
        mieqEnqueue(darwinPointer, &xe);
 | 
						|
        DarwinPokeEQ();
 | 
						|
    } darwinEvents_unlock();
 | 
						|
}
 |