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| author | Andrew Hannam <andrewh@inmarket.com.au> | 2012-12-20 18:32:33 +1000 |
|---|---|---|
| committer | Andrew Hannam <andrewh@inmarket.com.au> | 2012-12-20 18:32:33 +1000 |
| commit | 9da1afa34ac189c7cc50aedd4df688bd0c9b66d7 (patch) | |
| tree | ca2409e182f4ab61b8841c0c351c3d1f22d62a9f /src | |
| parent | b669bf98f1bc57672b222c6cdac759d0a30858ed (diff) | |
| download | uGFX-9da1afa34ac189c7cc50aedd4df688bd0c9b66d7.tar.gz uGFX-9da1afa34ac189c7cc50aedd4df688bd0c9b66d7.tar.bz2 uGFX-9da1afa34ac189c7cc50aedd4df688bd0c9b66d7.zip | |
Using ginput with polling allow thread preemption
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.
Diffstat (limited to 'src')
| -rw-r--r-- | src/ginput/mouse.c | 4 | ||||
| -rw-r--r-- | src/ginput/toggle.c | 4 |
2 files changed, 8 insertions, 0 deletions
diff --git a/src/ginput/mouse.c b/src/ginput/mouse.c index 35a55bc5..94734888 100644 --- a/src/ginput/mouse.c +++ b/src/ginput/mouse.c @@ -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;
diff --git a/src/ginput/toggle.c b/src/ginput/toggle.c index 66021cd0..4401e295 100644 --- a/src/ginput/toggle.c +++ b/src/ginput/toggle.c @@ -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;
|