Date: Thu, 14 Oct 1999 16:03:37 -0700 (PDT) From: Alfred Perlstein <bright@wintelcom.net> To: bschwart@bbn.com Cc: freebsd-questions@FreeBSD.ORG Subject: Re: mmap and MAP_INHERIT Message-ID: <Pine.BSF.4.05.9910141602200.8080-100000@fw.wintelcom.net> In-Reply-To: <38060073.4FD0443B@echo.bbn.com>
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On Thu, 14 Oct 1999, Bev Schwartz wrote: > The man page for mmap describes a parameter MAP_INHERIT as follows: > Permit regions to be inherited across execve(2) system calls. > > I would like a fork'ed and exec'ed child to be able to access mapped memory > that the parent set up, but I have not yet figured out how to make this > work. > > Anyone have suggestions, or better, a piece of working code that does this? You must use SYSV memory, or somehow communicate the name of the mmap'd file to the exec'd process. Note: this won't work with anonymous mapped segments. -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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