On Sep 28, 2021, at 5:02 AM, Sebastian Huber
mailto:sebastian.hu...@embedded-brains.de>>
wrote:
On 28/09/2021 11:46, Heinz Junkes wrote:
Unfortunately we found out that EPICS uses the mutex handling also in the
interrupt context
and this leads to core-dumps in RTEMS :-(
Yes, using any kind of
On 28/09/2021 17:11, Johnson, Andrew N. wrote:
sc = rtems_semaphore_create (rtems_build_name ('B', c3, c2, c1),
initialState,
RTEMS_FIFO | RTEMS_SIMPLE_BINARY_SEMAPHORE |
RTEMS_NO_INHERIT_PRIORITY | RTEMS_NO_PRIORITY_CEILING |
RTEMS_LOCAL,
0,
);
We will want to use the
On 28/09/2021 12:24, Heinz Junkes wrote:
in EPICS osdMutex the semaphore is created like this:
sc = rtems_semaphore_create (rtems_build_name ('M', c3, c2, c1),
1,
RTEMS_PRIORITY|RTEMS_BINARY_SEMAPHORE|RTEMS_INHERIT_PRIORITY|RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL,
0,
Yes, Andrew is absolutely right. I unfortunately got the two things mutex vs.
event
mixed up in the rush. Sorry for that.
Viele Grüße
Heinz
> On 28. Sep 2021, at 17:11, Johnson, Andrew N. wrote:
>
> On Sep 28, 2021, at 5:02 AM, Sebastian Huber
> wrote:
>>
>> On 28/09/2021 11:46, Heinz
Hallo Sebastian,
in EPICS osdMutex the semaphore is created like this:
sc = rtems_semaphore_create (rtems_build_name ('M', c3, c2, c1),
1,
RTEMS_PRIORITY|RTEMS_BINARY_SEMAPHORE|RTEMS_INHERIT_PRIORITY|RTEMS_NO_PRIORITY_CEILING|RTEMS_LOCAL,
0,
);
if (sc !=
On 28/09/2021 11:46, Heinz Junkes wrote:
Unfortunately we found out that EPICS uses the mutex handling also in the
interrupt context
and this leads to core-dumps in RTEMS :-(
Yes, using any kind of mutexes in interrupt context is undefined
behaviour. Mutexes may only be used from threads.
