Date: Tue, 27 Feb 2001 21:12:15 +0000 From: Tony Finch <dot@dotat.at> To: Drew Eckhardt <drew@PoohSticks.ORG> Cc: Lyndon Nerenberg <lyndon@orthanc.ab.ca>, freebsd-hackers@FreeBSD.ORG Subject: Re: [hackers] Re: Setting memory allocators for library functions. Message-ID: <20010227211215.M609@hand.dotat.at> In-Reply-To: <200102272044.f1RKi0n13690@chopper.Poohsticks.ORG> References: <20010227202234.K609@hand.dotat.at> <200102272044.f1RKi0n13690@chopper.Poohsticks.ORG>
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Drew Eckhardt <drew@PoohSticks.ORG> wrote: >In message <20010227202234.K609@hand.dotat.at>, dot@dotat.at writes: >>In most cases it is impossible to declare the data read-only because >>it originally had to be read-write and you can't change its attributes >>later. > >mprotect(2). If it's available at all, mprotect() is often limited to memory obtained with mmap(), i.e. not malloc(). Not great for portability. Tony. -- f.a.n.finch fanf@covalent.net dot@dotat.at FORTH: NORTHEAST 6 TO GALE 8 DECREASING 5 OR 6. SLEET. MAINLY MODERATE. To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message
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