Author: brooks Date: Thu Jul 18 21:33:55 2019 New Revision: 350116 URL: https://svnweb.freebsd.org/changeset/base/350116
Log: Document that setmode(3) is not thread safe. In some circumstances, setmode(3) may call umask(2) twice to retrieve the current mode and then restore it. Between calls, the process will have a umask of 0. Reviewed by: markj Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D20982 Modified: head/lib/libc/gen/setmode.3 Modified: head/lib/libc/gen/setmode.3 ============================================================================== --- head/lib/libc/gen/setmode.3 Thu Jul 18 17:55:13 2019 (r350115) +++ head/lib/libc/gen/setmode.3 Thu Jul 18 21:33:55 2019 (r350116) @@ -28,7 +28,7 @@ .\" @(#)setmode.3 8.2 (Berkeley) 4/28/95 .\" $FreeBSD$ .\" -.Dd February 22, 2015 +.Dd July 18, 2019 .Dt SETMODE 3 .Os .Sh NAME @@ -125,3 +125,10 @@ and .Fn setmode functions first appeared in .Bx 4.4 . +.Sh BUGS +The +.Fn setmode +function is not thread safe. +Files created in other threads while +.Fn setmode +is being called may be created with a umask of 0. _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
