Using Shared Memory from PHP

Posted by dave on May 14, 2004 8:13 AM EDT
Onlamp; By Alexander Prohorenko
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IPC is one of the most important features of the UNIX systems. It allows two processes to communicate with each other. In this article we'll work with two System V IPC functions, semaphores and shared memory. System V IPC originated in SVR2, but has implementations by numerous vendors. It's also available in SVR4. This article introduces shared memory and synchronization (semaphores).

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