Messages in this thread |  | | Date | Wed, 10 Jan 2001 20:33:07 +0100 | From | Andi Kleen <> | Subject | Re: Subtle MM bug |
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On Wed, Jan 10, 2001 at 07:31:52PM +0000, Alan Cox wrote: > > struct ucred is also needed to get LinuxThreads POSIX compliant (sharing > > credentials between threads, but still keeping system calls atomic in > > relation to credential changes) > > That is extremely undesirable behaviour. setuid() changes for pthreads crud > should be done by the library emulation layer. Many people have very real > and very good reasons for running multiple parallel ids. Just try writing > a threaded ftp daemon (non anonymous) without that, or an nfs server
Of course not by default, it would be a new clone flag (with default to on in linuxthreads though, to not cause security holes in ported programs like today)
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