Date: Sun, 13 Apr 1997 12:31:42 +1000 (EST) From: John Birrell <jb@cimlogic.com.au> To: dyson@freefall.freebsd.org (John Dyson) Cc: CVS-committers@freefall.freebsd.org, cvs-all@freefall.freebsd.org, cvs-sys@freefall.freebsd.org Subject: Re: cvs commit: src/sys/i386/ibcs2 imgact_coff.c src/sys/i386/i386 pmap.c src/sys/i386/linux imgact_linux.c src/sys/kern imgact_aou Message-ID: <199704130231.MAA05870@freebsd1.cimlogic.com.au> In-Reply-To: <199704130148.SAA09397@freefall.freebsd.org> from John Dyson at "Apr 12, 97 06:48:40 pm"
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John Dyson wrote: [...] > Implement rfork(!RFPROC !RFMEM), which allows a thread to divorce its memory > from the other threads of a group. > > Implement rfork(!RFPROC RFCFDG), which closes all file descriptors, eliminating > possible existing shares with other threads/processes. > > Implement rfork(!RFPROC RFFDG), which divorces the file descriptors for a > thread from the rest of the group. > > Fix the case where a thread does an exec. It is almost nonsense for a thread > to modify the other threads address space by an exec, so we > now automatically divorce the address space before modifying it. [...] Where do these changes leave rfork(!RFPROC RFMEM !RFFDG)??? 8-) -- John Birrell - jb@cimlogic.com.au; jb@netbsd.org; jb@freebsd.org CIMlogic Pty Ltd, 119 Cecil Street, South Melbourne Vic 3205, Australia Tel +61 3 9690 6900 Fax +61 3 9690 6650 Mob +61 418 353 137
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