"This article explores many of the synchronization or locking mechanisms that are available in the Linux kernel. It presents the application program interfaces (APIs) for many of the available methods from the 2.6.23 kernel. But before you dig into the APIs, you need to understand the problem that's being solved.
"Synchronization methods are necessary when the property of concurrency exists. Concurrency exists when two or more processes execute over the same time period and potentially interact with one another (for example, sharing the same set of resources)..."
