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Using ginput with polling allow thread preemption

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GINPUT when being exclusively polled by the application, did not allow
pre-emption of the main thread and therefore some platforms (Win32) the
mouse/toggle stopped working.
This commit is contained in:
Andrew Hannam 2012-12-20 18:32:33 +10:00
parent b669bf98f1
commit 9da1afa34a
2 changed files with 8 additions and 0 deletions
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4
src/ginput/mouse.c
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@ -378,6 +378,10 @@ GSourceHandle ginputGetMouse(uint16_t instance) {
}
bool_t ginputGetMouseStatus(uint16_t instance, GEventMouse *pe) {
// Win32 threads don't seem to recognise priority and/or pre-emption
// so we add a sleep here to prevent 100% polled applications from locking up.
chThdSleepMilliseconds(1);
if (instance || (MouseConfig.flags & (FLG_INIT_DONE|FLG_IN_CAL)) != FLG_INIT_DONE)
return FALSE;

4
src/ginput/toggle.c
View File

@ -145,6 +145,10 @@ void ginputInvertToggle(uint16_t instance, bool_t invert) {
* Returns FALSE on error (eg invalid instance)
*/
bool_t ginputGetToggleStatus(uint16_t instance, GEventToggle *ptoggle) {
// Win32 threads don't seem to recognise priority and/or pre-emption
// so we add a sleep here to prevent 100% polled applications from locking up.
chThdSleepMilliseconds(1);
if (instance >= GINPUT_TOGGLE_NUM_PORTS)
return FALSE;
ptoggle->type = GEVENT_TOGGLE;