Timestamp:
04/26/12 12:28:52 (12 years ago)
Author:
Sebastian Huber <sebastian.huber@…>
Branches:
4.11, 5, master
Children:
6b36ca23
Parents:
27272db3
git-author:
Sebastian Huber <sebastian.huber@…> (04/26/12 12:28:52)
git-committer:
Sebastian Huber <sebastian.huber@…> (05/04/12 08:53:51)
Message:

Filesystem: Remove per file descriptor semaphore

The per file descriptor semaphore (field of rtems_libio_t) is unused in
RTEMS. There is a considerable memory overhead due to that. A
semaphore needs roughly 124 bytes which is huge compared to the
approximately 72 bytes for the file descriptor structure itself. Device
drivers can create their own synchronization primitives in the open
handler on demand.

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