[RTEMS Project] #2725: Classic binary semaphores without a locking protocol can be released by everyone
RTEMS trac
trac at rtems.org
Mon Jun 6 11:17:00 UTC 2016
#2725: Classic binary semaphores without a locking protocol can be released by
everyone
-----------------------------+------------------------------
Reporter: sebastian.huber | Owner: sebastian.huber
Type: defect | Status: new
Priority: normal | Milestone: 4.12
Component: cpukit | Version: 4.10
Severity: normal | Resolution:
Keywords: |
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Comment (by Sebastian Huber <sebastian.huber@…>):
In [changeset:"3ad5f86cf6803204b98760cdce0c56ef6d79bccd/rtems"]:
{{{
#!CommitTicketReference repository="rtems"
revision="3ad5f86cf6803204b98760cdce0c56ef6d79bccd"
rtems: Fix no protocol mutex release
The Classic binary semaphores without a locking protocol
(RTEMS_BINARY_SEMAPHORE) could be released by everyone, e.g. in contrast
to the POSIX mutexes (all variants) or the Classic binary semphores with
priority inheritance or ceiling, there was no owner check in the release
path.
This behaviour was a bit unexpected and not documented. Add an owner
check to the release path. Update sptests/sp42 accordingly.
This change has nothing to do with the simple binary semaphores
(RTEMS_SIMPLE_BINARY_SEMAPHORE) which have no owner at all.
Update #2725
}}}
--
Ticket URL: <http://devel.rtems.org/ticket/2725#comment:3>
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