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Re: inter-process locks

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Re: inter-process locks

Subject: Re: inter-process locks
From: Greg Guerin <email@hidden>
Date: Sat, 19 Feb 2011 12:13:13 -0700

Alexander Cohen wrote:

Is there anyway to do interprocess locks using cocoa ( like a Mutex in Win32 )? The best i've found is not cocoa and uses flock but the man pages say its advisory only which is kindof scary.

man semget
man semop
man semctl

They're part of the Posix IPC functions, so obviously work across processes.

Like other Posix IPC functions, the proper use of the semaphore functions can be inscrutable. I recommend searching for working examples rather than puzzling it out from man pages alone.

  -- GG

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