Messages in this thread | | | Date | Mon, 25 Feb 2002 11:32:40 -0500 | From | Benjamin LaHaise <> | Subject | Re: [PATCH] Lightweight userspace semaphores... |
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On Mon, Feb 25, 2002 at 04:39:56PM +0000, Alan Cox wrote: > _alloca > mmap > > Still fits on the stack 8)
Are we sure that forcing semaphore overhead to the size of a page is a good idea? I'd much rather see a sleep/wakeup mechanism akin to wait queues be exported by the kernel so that userspace can implement a rich set of locking functions on top of that in whatever shared memory is being used.
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