Date: Fri, 29 Mar 2002 18:39:42 -0600 (CST) From: Loren James Rittle <rittle@latour.rsch.comm.mot.com> To: stable@freebsd.org Cc: gte733p@prism.gatech.edu Subject: Re: shm & pthreads Message-ID: <200203300039.g2U0dg213975@latour.rsch.comm.mot.com> In-Reply-To: <3CA4ED81.F0B9307F@prism.gatech.edu>
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In article <3CA4ED81.F0B9307F@prism.gatech.edu> you write: > I searched for the answer to this, but couldn't find any > information. I'm writing a program that uses shared memory (via > shm_*) to communicate between two processes, each multithreaded. I > need some way to synchronize the two processes, and while other > methods are available (pipe, etc), I'd like to use pthreads mutexes, > as it makes my coding much easier. FreeBSD 4-STABLE doesn't implement this feature (according to various POSIX standards, this is the symbol an implementation must define): /usr/include/sys/unistd.h:/* #define _POSIX_THREAD_PROCESS_SHARED */ Regards, Loren To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message
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