Date: Fri, 22 Jan 2010 05:09:10 +0000 (UTC) From: Ed Schouten <ed@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r202779 - head/lib/libc/gen Message-ID: <201001220509.o0M59ArC054993@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help
Author: ed Date: Fri Jan 22 05:09:10 2010 New Revision: 202779 URL: http://svn.freebsd.org/changeset/base/202779 Log: Describe why pututxline() doesn't entirely conform to standards. Modified: head/lib/libc/gen/getutxent.3 Modified: head/lib/libc/gen/getutxent.3 ============================================================================== --- head/lib/libc/gen/getutxent.3 Fri Jan 22 04:53:08 2010 (r202778) +++ head/lib/libc/gen/getutxent.3 Fri Jan 22 05:09:10 2010 (r202779) @@ -414,14 +414,32 @@ The .Fn endutxent , .Fn getutxent , .Fn getutxid , -.Fn getutxline , -.Fn pututxline +.Fn getutxline and .Fn setutxent functions are expected to conform to .St -p1003.1-2008 . .Pp The +.Fn pututxline +function deviates from the standard by writing its records to multiple +database files, depending on its +.Fa ut_type . +This prevents the need for special utility functions to update the other +databases, such as the +.Fn updwtmpx +function which is often available in other implementations. +It also tries to replace +.Dv DEAD_PROCESS +entries in the active sessions database when storing +.Dv USER_PROCESS +entries and no entry with the same value for +.Fa ut_id +has been found. +The standard always requires a new entry to be allocated, which could +cause an unbounded growth to the database. +.Pp +The .Fn getutxuser and .Fn setutxdb
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201001220509.o0M59ArC054993>