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Fix race condition in hid

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This commit is contained in:
plutoo 2018-03-01 00:15:01 +01:00
parent 20f3e87d11
commit f4230f3ef0
1 changed files with 4 additions and 4 deletions
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8
nx/source/services/hid.c
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@ -151,7 +151,7 @@ void hidScanInput(void) {
u64 latestTouchEntry = sharedMem->touchscreen.header.latestEntry;
HidTouchScreenEntry *newTouchEntry = &sharedMem->touchscreen.entries[latestTouchEntry];
if ((s64)(newTouchEntry->header.timestamp - g_touchTimestamp) > 0) {
if ((s64)(newTouchEntry->header.timestamp - g_touchTimestamp) >= 0) {
memcpy(&g_touchEntry, newTouchEntry, sizeof(HidTouchScreenEntry));
g_touchTimestamp = newTouchEntry->header.timestamp;
@ -161,7 +161,7 @@ void hidScanInput(void) {
u64 latestMouseEntry = sharedMem->mouse.header.latestEntry;
HidMouseEntry *newMouseEntry = &sharedMem->mouse.entries[latestMouseEntry];
if ((s64)(newMouseEntry->timestamp - g_mouseTimestamp) > 0) {
if ((s64)(newMouseEntry->timestamp - g_mouseTimestamp) >= 0) {
memcpy(&g_mouseEntry, newMouseEntry, sizeof(HidMouseEntry));
g_mouseTimestamp = newMouseEntry->timestamp;
@ -172,7 +172,7 @@ void hidScanInput(void) {
u64 latestKeyboardEntry = sharedMem->keyboard.header.latestEntry;
HidKeyboardEntry *newKeyboardEntry = &sharedMem->keyboard.entries[latestKeyboardEntry];
if ((s64)(newKeyboardEntry->timestamp - g_keyboardTimestamp) > 0) {
if ((s64)(newKeyboardEntry->timestamp - g_keyboardTimestamp) >= 0) {
memcpy(&g_keyboardEntry, newKeyboardEntry, sizeof(HidKeyboardEntry));
g_keyboardTimestamp = newKeyboardEntry->timestamp;
@ -192,7 +192,7 @@ void hidScanInput(void) {
HidControllerLayout *currentLayout = &sharedMem->controllers[i].layouts[g_controllerLayout[i]];
u64 latestControllerEntry = currentLayout->header.latestEntry;
HidControllerInputEntry *newInputEntry = &currentLayout->entries[latestControllerEntry];
if ((s64)(newInputEntry->timestamp - g_controllerTimestamps[i]) > 0) {
if ((s64)(newInputEntry->timestamp - g_controllerTimestamps[i]) >= 0) {
memcpy(&g_controllerEntries[i], newInputEntry, sizeof(HidControllerInputEntry));
g_controllerTimestamps[i] = newInputEntry->timestamp;