On Thu, May 01, 2014 at 12:13:28PM -0400, Tom Lane wrote: > fork_process.c quoth: > > /* > * Flush stdio channels just before fork, to avoid double-output problems. > * Ideally we'd use fflush(NULL) here, but there are still a few non-ANSI > * stdio libraries out there (like SunOS 4.1.x) that coredump if we do. > * Presently stdout and stderr are the only stdio output channels used by > * the postmaster, so fflush'ing them should be sufficient. > */ > fflush(stdout); > fflush(stderr); > > Is there any reason not to change this to just fflush(NULL)? We dropped > support for SunOS 4.1 quite some time ago ...
Modern systems have other fflush(NULL) problems: http://www.nntp.perl.org/group/perl.perl5.porters/2013/09/msg207692.html http://perl5.git.perl.org/metaconfig.git/blob/master:/U/perl/fflushall.U -- Noah Misch EnterpriseDB http://www.enterprisedb.com -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers
