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Fixed crash on Mac OS X 10.10 and earlier

This commit is contained in:
Sam Lantinga 2016-10-19 20:39:12 -07:00
parent 012217f069
commit 6d67c98e70
1 changed files with 10 additions and 4 deletions
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14
src/video/cocoa/SDL_cocoakeyboard.m
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@ -195,6 +195,11 @@ static IOHIDManagerRef s_hidManager = NULL;
static void
HIDCallback(void *context, IOReturn result, void *sender, IOHIDValueRef value)
{
if (context != s_hidManager) {
/* An old callback, ignore it (related to bug 2157 below) */
return;
}
IOHIDElementRef elem = IOHIDValueGetElement(value);
if (IOHIDElementGetUsagePage(elem) != kHIDPage_KeyboardOrKeypad
|| IOHIDElementGetUsage(elem) != kHIDUsage_KeyboardCapsLock) {
@ -232,13 +237,14 @@ QuitHIDCallback()
if (!s_hidManager) {
return;
}
IOHIDManagerUnscheduleFromRunLoop(s_hidManager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
IOHIDManagerRegisterInputValueCallback(s_hidManager, NULL, NULL);
IOHIDManagerClose(s_hidManager, 0);
#if 0 /* Releasing here causes a crash on Mac OS X 10.10 and earlier,
* so just leak it for now. See bug 2157 for details.
*/
IOHIDManagerUnscheduleFromRunLoop(s_hidManager, CFRunLoopGetCurrent(), kCFRunLoopDefaultMode);
IOHIDManagerRegisterInputValueCallback(s_hidManager, NULL, NULL);
IOHIDManagerClose(s_hidManager, 0);
CFRelease(s_hidManager);
#endif
s_hidManager = NULL;
@ -267,7 +273,7 @@ InitHIDCallback()
goto fail;
}
IOHIDManagerSetDeviceMatchingMultiple(s_hidManager, matches);
IOHIDManagerRegisterInputValueCallback(s_hidManager, HIDCallback, NULL);
IOHIDManagerRegisterInputValueCallback(s_hidManager, HIDCallback, s_hidManager);
IOHIDManagerScheduleWithRunLoop(s_hidManager, CFRunLoopGetMain(), kCFRunLoopDefaultMode);
if (IOHIDManagerOpen(s_hidManager, kIOHIDOptionsTypeNone) == kIOReturnSuccess) {
goto cleanup;