2 Commits

Author	SHA1	Message	Date
Xiang Xiao	6a3c2aded6	Fix wait loop and void cast (#24) ... * Simplify EINTR/ECANCEL error handling 1. Add semaphore uninterruptible wait function 2 .Replace semaphore wait loop with a single uninterruptible wait 3. Replace all sem_xxx to nxsem_xxx * Unify the void cast usage 1. Remove void cast for function because many place ignore the returned value witout cast 2. Replace void cast for variable with UNUSED macro	2020-01-02 10:54:43 -06:00
Gregory Nutt	a40ef12895	graphics/: Fix an oversight in the implementation of per-window framebuffers. It is true that redraw callbacks can be supporessed for all cases ... EXCEPT ONE: When the window is resized to a larger size, then the newly exposed territory must be drawn for the first time.	2019-05-16 09:18:33 -06:00