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List:       linux-kernel
Subject:    Re: [Patch] shm bug introduced with pagecache in 2.3.11
From:       "Benjamin C.R. LaHaise" <blah () kvack ! org>
Date:       1999-11-19 19:52:02
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On Fri, 19 Nov 1999, Linus Torvalds wrote:

> Is anybody willing to take a stab at creating a read-write semaphore?

Sure.  Does the following sound?

	void down_read(struct rw_semaphore *sem);
	void down_write(struct rw_semaphore *sem);
	void up_read(struct rw_semaphore *sem);
	void up_write(struct rw_semaphore *sem);

Looking at existing semaphores and rwlocks, it looks like a quick and
painless beast to create.

		-ben


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