perlfreebsd


DESCRIPTION
       This document describes various features of FreeBSD that will affect
       how Perl version 5 (hereafter just Perl) is compiled and/or runs.

   FreeBSD core dumps from readdir_r with ithreads
       When perl is configured to use ithreads, it will use re-entrant library
       calls in preference to non-re-entrant versions.  There is a bug in
       FreeBSD's "readdir_r" function in versions 4.5 and earlier that can
       cause a SEGV when reading large directories. A patch for FreeBSD libc
       is available (see http://www.freebsd.org/cgi/query-pr.cgi?pr=misc/30631
       ) which has been integrated into FreeBSD 4.6.

   $^X doesn't always contain a full path in FreeBSD
       perl 5.8.0 sets $^X where possible to a full path by asking the
       operating system. On FreeBSD the full path of the perl interpreter is
       found by reading the symlink /proc/curproc/file. FreeBSD has a bug
       where reading this symlink sometimes returns an incorrect value (see
       http://www.freebsd.org/cgi/query-pr.cgi?pr=35703 ).  In these cases
       perl will fall back to the old behaviour of using C's argv[0] value for
       $^X.

AUTHOR
       Nicholas Clark <nick@ccl4.org>, collating wisdom supplied by Slaven
       Rezic and Tim Bunce.

       Please report any errors, updates, or suggestions to perlbug@perl.org.



perl v5.14.2                      2011-09-26                    PERLFREEBSD(1)
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