On Wed, Apr 02, 2008 at 11:22:17AM -0700, bhanu nani wrote: > My understanding: Semaphore are the tools to protect a region of code > by bloking access to other threads access while the first thead is > accessing it.
You shouldn't protect a region of code. Semaphores (and other locking primitives) should be used to protect *data*, not to protect *code*. It's not bad if two threads execute the same *code* at the same time, as long as they don't access the same *data* at the same time. Erik -- Erik Mouw -- [EMAIL PROTECTED]
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