michaelh/zephyr
1
0
Fork 0
Code Releases Activity

device: fibers/idle task must wait when acquiring device_sync object

Browse source 
TICKS_NONE was mistakenly used when waiting on the nanokernerel
semaphore in the microkernel case, instead of TICKS_UNLIMITED, causing a
thread that wants to wait to return immediately, as if the device was
always ready.

Change-Id: Id2376ebef324339fec05c56655e705755a670973
Signed-off-by: Benjamin Walsh <benjamin.walsh@windriver.com>
This commit is contained in:
Benjamin Walsh 2016-02-09 17:42:01 -05:00 • committed by Gerrit Code Review
commit 205d3a4265
1 changed files with 1 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

2
include/device.h
View file

@ -235,7 +235,7 @@ static inline void device_sync_call_wait(device_sync_call_t *sync)
task_sem_take(sync->t_sem, TICKS_UNLIMITED); task_sem_take(sync->t_sem, TICKS_UNLIMITED);
} else { } else {
sync->waiter_is_task = false; sync->waiter_is_task = false;
nano_sem_take(&sync->f_sem, TICKS_NONE); nano_sem_take(&sync->f_sem, TICKS_UNLIMITED);
} }
} }