void
XkbDDXFakeDeviceButton(DeviceIntPtr dev,Bool press,int button)
{
EventListPtr events;
int nevents, i;
DeviceIntPtr ptr;
/* If dev is a slave device, and the SD is attached, do nothing. If we'd
* post through the attached master pointer we'd get duplicate events.
*
* if dev is a master keyboard, post through the XTEST device
*
* if dev is a floating slave, post through the device itself.
*/
if (IsMaster(dev))
ptr = GetXTestDevice(GetMaster(dev, MASTER_POINTER));
else if (!dev->u.master)
ptr = dev;
else
return;
events = InitEventList(GetMaximumEventsNum());
OsBlockSignals();
nevents = GetPointerEvents(events, ptr,
press ? ButtonPress : ButtonRelease, button,
0 /* flags */, 0 /* first */,
0 /* num_val */, NULL);
OsReleaseSignals();
for (i = 0; i < nevents; i++)
mieqProcessDeviceEvent(ptr, (InternalEvent*)events[i].event, NULL);
FreeEventList(events, GetMaximumEventsNum());
}
static void sighandler(int signal)
{
assert(expect_signal);
expect_signal = 0;
if (!last_signal)
raise(signal);
OsBlockSignals();
OsReleaseSignals();
last_signal = 1;
expect_signal = 1;
}
static void
remove_device(DeviceIntPtr dev)
{
DebugF("[config/hal] removing device %s\n", dev->name);
/* Call PIE here so we don't try to dereference a device that's
* already been removed. */
OsBlockSignals();
ProcessInputEvents();
DeleteInputDeviceRequest(dev);
OsReleaseSignals();
}
static void
remove_device(DeviceIntPtr dev)
{
/* this only gets called for devices that have already been added */
LogMessage(X_INFO, "config/hal: removing device %s\n", dev->name);
/* Call PIE here so we don't try to dereference a device that's
* already been removed. */
OsBlockSignals();
ProcessInputEvents();
DeleteInputDeviceRequest(dev);
OsReleaseSignals();
}
static int
remove_device(DBusMessage *message, DBusMessage *reply, DBusError *error)
{
int deviceid, ret, err;
DeviceIntPtr dev;
DBusMessageIter iter, reply_iter;
dbus_message_iter_init_append(reply, &reply_iter);
if (!dbus_message_iter_init(message, &iter)) {
ErrorF("[config/dbus] failed to init iterator\n");
MALFORMED_MESSAGE();
}
if (!dbus_message_get_args(message, error, DBUS_TYPE_UINT32,
&deviceid, DBUS_TYPE_INVALID)) {
MALFORMED_MESSAGE_ERROR();
}
dev = LookupDeviceIntRec(deviceid);
if (!dev) {
DebugF("[config/dbus] bogus device id %d given\n", deviceid);
ret = BadMatch;
goto unwind;
}
DebugF("[config/dbus] removing device %s (id %d)\n", dev->name, deviceid);
/* Call PIE here so we don't try to dereference a device that's
* already been removed. */
OsBlockSignals();
ProcessInputEvents();
DeleteInputDeviceRequest(dev);
OsReleaseSignals();
ret = Success;
unwind:
err = (ret == Success) ? ret : -ret;
dbus_message_iter_append_basic(&reply_iter, DBUS_TYPE_INT32, &err);
return ret;
}
/**
* Uninit scheme
*/
void
AccelerationDefaultCleanup(DeviceIntPtr dev)
{
DeviceVelocityPtr vel = GetDevicePredictableAccelData(dev);
if (vel) {
/* the proper guarantee would be that we're not inside of
* AccelSchemeProc(), but that seems impossible. Schemes don't get
* switched often anyway.
*/
OsBlockSignals();
dev->valuator->accelScheme.AccelSchemeProc = NULL;
FreeVelocityData(vel);
free(vel);
DeletePredictableAccelerationProperties(dev,
(PredictableAccelSchemePtr) dev->valuator->accelScheme.accelData);
free(dev->valuator->accelScheme.accelData);
dev->valuator->accelScheme.accelData = NULL;
OsReleaseSignals();
}
}
/**
* Move the device's pointer to the x/y coordinates on the given screen.
* This function generates and enqueues pointer events.
*
* @param pDev The device to move
* @param pScreen The screen the device is on
* @param x The x coordinate in per-screen coordinates
* @param y The y coordinate in per-screen coordinates
*/
void
miPointerMove (DeviceIntPtr pDev, ScreenPtr pScreen, int x, int y)
{
int i, nevents;
int valuators[2];
ValuatorMask mask;
miPointerMoveNoEvent(pDev, pScreen, x, y);
/* generate motion notify */
valuators[0] = x;
valuators[1] = y;
if (!events)
{
events = InitEventList(GetMaximumEventsNum());
if (!events)
{
FatalError("Could not allocate event store.\n");
return;
}
}
valuator_mask_set_range(&mask, 0, 2, valuators);
nevents = GetPointerEvents(events, pDev, MotionNotify, 0,
POINTER_SCREEN | POINTER_ABSOLUTE | POINTER_NORAW, &mask);
OsBlockSignals();
#ifdef XQUARTZ
darwinEvents_lock();
#endif
for (i = 0; i < nevents; i++)
mieqEnqueue(pDev, &events[i]);
#ifdef XQUARTZ
darwinEvents_unlock();
#endif
OsReleaseSignals();
}
/**
Initialize a filter chain.
Expected result is a series of filters, each progressively more integrating.
This allows for two strategies: Either you have one filter which is reasonable
and is being coupled to account for fast-changing input, or you have 'one for
every situation'. You might want to have tighter coupling then, e.g. 0.1.
In the filter stats, you can see if a reasonable filter useage emerges.
*/
void
InitFilterChain(DeviceVelocityPtr s, float rdecay, float progression, int stages, int lutsize)
{
int fn;
if((stages > 1 && progression < 1.0f) || 0 == progression){
ErrorF("(dix ptracc) invalid filter chain progression specified\n");
return;
}
/* Block here to support runtime filter adjustment */
OsBlockSignals();
for(fn = 0; fn < MAX_VELOCITY_FILTERS; fn++){
if(fn < stages){
InitFilterStage(&s->filters[fn], rdecay, lutsize);
}else{
InitFilterStage(&s->filters[fn], 0, 0);
}
rdecay /= progression;
}
/* release again. Should the input loop be threaded, we also need
* memory release here (in principle).
*/
OsReleaseSignals();
}
/**
* Attempts to probe the monitor for EDID information, if NoDDC and NoDDC1 are
* unset. EDID information blocks are interpreted and the results returned in
* an xf86MonPtr.
*
* This function does not affect the list of modes used by drivers -- it is up
* to the driver to decide policy on what to do with EDID information.
*
* @return pointer to a new xf86MonPtr containing the EDID information.
* @return NULL if no monitor attached or failure to interpret the EDID.
*/
xf86MonPtr
xf86DoEDID_DDC1(ScrnInfoPtr pScrn, DDC1SetSpeedProc DDC1SetSpeed,
unsigned int (*DDC1Read) (ScrnInfoPtr))
{
unsigned char *EDID_block = NULL;
xf86MonPtr tmp = NULL;
/* Default DDC and DDC1 to enabled. */
Bool noddc = FALSE, noddc1 = FALSE;
OptionInfoPtr options;
options = xnfalloc(sizeof(DDCOptions));
(void) memcpy(options, DDCOptions, sizeof(DDCOptions));
xf86ProcessOptions(pScrn->scrnIndex, pScrn->options, options);
xf86GetOptValBool(options, DDCOPT_NODDC, &noddc);
xf86GetOptValBool(options, DDCOPT_NODDC1, &noddc1);
free(options);
if (noddc || noddc1)
return NULL;
OsBlockSignals();
EDID_block = EDIDRead_DDC1(pScrn, DDC1SetSpeed, DDC1Read);
OsReleaseSignals();
if (EDID_block) {
tmp = xf86InterpretEDID(pScrn->scrnIndex, EDID_block);
}
#ifdef DEBUG
else
ErrorF("No EDID block returned\n");
if (!tmp)
ErrorF("Cannot interpret EDID block\n");
#endif
return tmp;
}
static void block_sigio_test(void)
{
#ifdef SIG_BLOCK
sigset_t current;
sigemptyset(¤t);
assert(!sig_is_blocked(SIGIO));
/* block once */
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(!sig_is_blocked(SIGIO));
/* block twice, nested */
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(!sig_is_blocked(SIGIO));
/* block all */
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(!sig_is_blocked(SIGIO));
/* block all nested */
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(!sig_is_blocked(SIGIO));
/* mix the two */
/* ABBA */
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(!sig_is_blocked(SIGIO));
/* ABAB */
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(!sig_is_blocked(SIGIO));
/* BAAB */
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(!sig_is_blocked(SIGIO));
/* BABA */
OsBlockSIGIO();
assert(sig_is_blocked(SIGIO));
OsBlockSignals();
assert(sig_is_blocked(SIGIO));
OsReleaseSIGIO();
assert(sig_is_blocked(SIGIO));
OsReleaseSignals();
assert(!sig_is_blocked(SIGIO));
#endif
}
