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[perl #108964] [PATCH] 3a296d4 usemymalloc is not thread-safe

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From:
rurban @ cpanel . net
Date:
January 24, 2012 11:52
Subject:
[perl #108964] [PATCH] 3a296d4 usemymalloc is not thread-safe
Message ID:
rt-3.6.HEAD-14510-1327434757-23.108964-75-0@perl.org
# New Ticket Created by  rurban@cpanel.net 
# Please include the string:  [perl #108964]
# in the subject line of all future correspondence about this issue. 
# <URL: https://rt.perl.org:443/rt3/Ticket/Display.html?id=108964 >



This is a bug report for perl from rurban@cpanel.net,
generated with the help of perlbug 1.39 running under perl 5.15.7.

>From 3a296d440c882cda23c7000e3544b7c2866a676c Mon Sep 17 00:00:00 2001
From: Reini Urban <rurban@x-ray.at>
Date: Tue, 24 Jan 2012 13:51:06 -0600
Subject: [PATCH] usemymalloc is not thread-safe

---
 Configure |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/Configure b/Configure
index d9911f9..7860100 100755
--- a/Configure
+++ b/Configure
@@ -6847,6 +6847,7 @@ case "$usemymalloc" in
 	4) dflt='y' ;;
 	*) dflt='n' ;;
 	esac
+	if test "$useithreads" = "$define"; then dflt='n'; fi
 	;;
 esac
 rp="Do you wish to attempt to use the malloc that comes with $package?"
-- 
1.7.5.4

---
Flags:
    category=core
    severity=high
---
Site configuration information for perl 5.15.7:

Configured by rurban at Mon Jan 23 12:43:58 CST 2012.

Summary of my perl5 (revision 5 version 15 subversion 7) configuration:
  Derived from: ce334002dd31d29fbe9ccdb2c646ef2163bf6e56
  Platform:
    osname=linux, osvers=3.0.0-1-amd64, archname=x86_64-linux-debug@6d34176e
    uname='linux reini 3.0.0-1-amd64 #1 smp sun jul 24 02:24:44 utc 2011 x86_64 gnulinux '
    config_args='-de -Dusedevel -Dinstallman1dir=none -Dinstallman3dir=none -Dinstallsiteman1dir=none -Dinstallsiteman3dir=none -Dmksymlinks -DEBUGGING -Doptimize=-g3 -Uuseithreads -Accflags='-msse4.2' -Accflags='-march=corei7' -Dcf_email='rurban@cpanel.net' -Dperladmin='rurban@cpanel.net' -Duseshrplib'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=undef, usemultiplicity=undef
    useperlio=define, d_sfio=undef, uselargefiles=define, usesocks=undef
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='cc', ccflags ='-msse4.2 -march=corei7 -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-g3',
    cppflags='-msse4.2 -march=corei7 -DDEBUGGING -fno-strict-aliasing -pipe -fstack-protector -I/usr/local/include'
    ccversion='', gccversion='4.6.1', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t', lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='cc', ldflags =' -fstack-protector -L/usr/local/lib'
    libpth=/usr/local/lib /lib /usr/lib /usr/lib/x86_64-linux-gnu /lib64 /usr/lib64
    libs=-lnsl -lgdbm -ldb -ldl -lm -lcrypt -lutil -lc -lgdbm_compat
    perllibs=-lnsl -ldl -lm -lcrypt -lutil -lc
    libc=, so=so, useshrplib=true, libperl=libperl.so
    gnulibc_version='2.13'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E -Wl,-rpath,/usr/local/lib/perl5/5.15.7/x86_64-linux-debug@6d34176e/CORE'
    cccdlflags='-fPIC', lddlflags='-shared -g3 -L/usr/local/lib -fstack-protector'

Locally applied patches:
    

---
@INC for perl 5.15.7:
    /usr/local/lib/perl5/site_perl/5.15.7/x86_64-linux-debug@6d34176e
    /usr/local/lib/perl5/site_perl/5.15.7
    /usr/local/lib/perl5/5.15.7/x86_64-linux-debug@6d34176e
    /usr/local/lib/perl5/5.15.7
    /usr/local/lib/perl5/site_perl
    .

---
Environment for perl 5.15.7:
    HOME=/home/rurban
    LANG=en_US.utf8
    LANGUAGE (unset)
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/rurban/bin:/usr/local/bin:/usr/bin:/bin:/usr/local/games:/usr/games
    PERL_BADLANG (unset)
    SHELL=/bin/bash


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