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[PATCH] Upgrade to threads::shared 1.51 #15289

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p5pRT opened this issue Apr 22, 2016 · 7 comments
Closed

[PATCH] Upgrade to threads::shared 1.51 #15289

p5pRT opened this issue Apr 22, 2016 · 7 comments

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@p5pRT
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p5pRT commented Apr 22, 2016

Migrated from rt.perl.org#127963 (status was 'resolved')

Searchable as RT127963$

@p5pRT
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p5pRT commented Apr 22, 2016

From @jdhedden

Created by @jdhedden

The attached patch upgrades the 'threads-shared' module to v1.51.

The main purpose of this patch is to sync blead and CPAN in
preparation for the release of Perl 5.24.

The patch does not contain any functional changes, but does
removes some dead code from shared.xs.

The patch contains the following POD update​:

  Blessing a shared item after it has been nested in another shared item
does
  not propagate the blessing to the shared reference​:

  my $foo = &share({});
  my $bar = &share({});
  $bar->{foo} = $foo;
  bless($foo, 'baz'); # $foo is now of class 'baz',
  # but $bar->{foo} is unblessed.

  Therefore, you should bless objects before sharing them.

This patch is in response to​:
  https://rt.cpan.org/Public/Bug/Display.html?id=113905

Perl Info

Flags:
    category=library
    severity=low
    module=threads::shared

Site configuration information for perl 5.22.1:

Configured by Debian Project at Sun Apr 17 19:08:08 UTC 2016.

Summary of my perl5 (revision 5 version 22 subversion 1) configuration:

  Platform:
    osname=linux, osvers=3.16.0, archname=x86_64-linux-gnu-thread-multi
    uname='linux localhost 3.16.0 #1 smp debian 3.16.0 x86_64 gnulinux '
    config_args='-Dusethreads -Duselargefiles -Dcc=x86_64-linux-gnu-gcc
-Dcpp=x86_64-linux-gnu-cpp -Dld=x86_64-linux-gnu-gcc -Dccflags=-DDEBIAN
-Wdate-time -D_FORTIFY_SOURCE=2 -g -O2 -fstack-protector-strong -Wformat
-Werror=format-security -Dldflags= -Wl,-z,relro -Dlddlflags=-shared
-Wl,-z,relro -Dcccdlflags=-fPIC -Darchname=x86_64-linux-gnu -Dprefix=/usr
-Dprivlib=/usr/share/perl/5.22
-Darchlib=/usr/lib/x86_64-linux-gnu/perl/5.22 -Dvendorprefix=/usr
-Dvendorlib=/usr/share/perl5
-Dvendorarch=/usr/lib/x86_64-linux-gnu/perl5/5.22 -Dsiteprefix=/usr/local
-Dsitelib=/usr/local/share/perl/5.22.1
-Dsitearch=/usr/local/lib/x86_64-linux-gnu/perl/5.22.1
-Dman1dir=/usr/share/man/man1 -Dman3dir=/usr/share/man/man3
-Dsiteman1dir=/usr/local/man/man1 -Dsiteman3dir=/usr/local/man/man3
-Duse64bitint -Dman1ext=1 -Dman3ext=3perl -Dpager=/usr/bin/sensible-pager
-Uafs -Ud_csh -Ud_ualarm -Uusesfio -Uusenm -Ui_libutil -Uversiononly
-DDEBUGGING=-g -Doptimize=-O2 -dEs -Duseshrplib -Dlibperl=libperl.so.5.22.1'
    hint=recommended, useposix=true, d_sigaction=define
    useithreads=define, usemultiplicity=define
    use64bitint=define, use64bitall=define, uselongdouble=undef
    usemymalloc=n, bincompat5005=undef
  Compiler:
    cc='x86_64-linux-gnu-gcc', ccflags ='-D_REENTRANT -D_GNU_SOURCE
-DDEBIAN -fwrapv -fno-strict-aliasing -pipe -I/usr/local/include
-D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64',
    optimize='-O2 -g',
    cppflags='-D_REENTRANT -D_GNU_SOURCE -DDEBIAN -fwrapv
-fno-strict-aliasing -pipe -I/usr/local/include'
    ccversion='', gccversion='5.3.1 20160409', gccosandvers=''
    intsize=4, longsize=8, ptrsize=8, doublesize=8, byteorder=12345678,
doublekind=3
    d_longlong=define, longlongsize=8, d_longdbl=define, longdblsize=16,
longdblkind=3
    ivtype='long', ivsize=8, nvtype='double', nvsize=8, Off_t='off_t',
lseeksize=8
    alignbytes=8, prototype=define
  Linker and Libraries:
    ld='x86_64-linux-gnu-gcc', ldflags =' -fstack-protector-strong
-L/usr/local/lib'
    libpth=/usr/local/lib /usr/lib/gcc/x86_64-linux-gnu/5/include-fixed
/usr/include/x86_64-linux-gnu /usr/lib /lib/x86_64-linux-gnu /lib/../lib
/usr/lib/x86_64-linux-gnu /usr/lib/../lib /lib
    libs=-lgdbm -lgdbm_compat -ldb -ldl -lm -lpthread -lc -lcrypt
    perllibs=-ldl -lm -lpthread -lc -lcrypt
    libc=libc-2.22.so, so=so, useshrplib=true, libperl=libperl.so.5.22
    gnulibc_version='2.22'
  Dynamic Linking:
    dlsrc=dl_dlopen.xs, dlext=so, d_dlsymun=undef, ccdlflags='-Wl,-E'
    cccdlflags='-fPIC', lddlflags='-shared -L/usr/local/lib
-fstack-protector-strong'

Locally applied patches:
    DEBPKG:debian/cpan_definstalldirs - Provide a sensible INSTALLDIRS
default for modules installed from CPAN.
    DEBPKG:debian/db_file_ver - http://bugs.debian.org/340047 Remove overly
restrictive DB_File version check.
    DEBPKG:debian/doc_info - Replace generic man(1) instructions with
Debian-specific information.
    DEBPKG:debian/enc2xs_inc - http://bugs.debian.org/290336 Tweak enc2xs
to follow symlinks and ignore missing @INC directories.
    DEBPKG:debian/errno_ver - http://bugs.debian.org/343351 Remove Errno
version check due to upgrade problems with long-running processes.
    DEBPKG:debian/libperl_embed_doc - http://bugs.debian.org/186778 Note
that libperl-dev package is required for embedded linking
    DEBPKG:fixes/respect_umask - Respect umask during installation
    DEBPKG:debian/writable_site_dirs - Set umask approproately for site
install directories
    DEBPKG:debian/extutils_set_libperl_path - EU:MM: set location of
libperl.a under /usr/lib
    DEBPKG:debian/no_packlist_perllocal - Don't install .packlist or
perllocal.pod for perl or vendor
    DEBPKG:debian/fakeroot - Postpone LD_LIBRARY_PATH evaluation to the
binary targets.
    DEBPKG:debian/instmodsh_doc - Debian policy doesn't install .packlist
files for core or vendor.
    DEBPKG:debian/ld_run_path - Remove standard libs from LD_RUN_PATH as
per Debian policy.
    DEBPKG:debian/libnet_config_path - Set location of libnet.cfg to
/etc/perl/Net as /usr may not be writable.
    DEBPKG:debian/mod_paths - Tweak @INC ordering for Debian
    DEBPKG:debian/prune_libs - http://bugs.debian.org/128355 Prune the list
of libraries wanted to what we actually need.
    DEBPKG:fixes/net_smtp_docs - [rt.cpan.org #36038]
http://bugs.debian.org/100195 Document the Net::SMTP 'Port' option
    DEBPKG:debian/perlivp - http://bugs.debian.org/510895 Make perlivp skip
include directories in /usr/local
    DEBPKG:debian/deprecate-with-apt - http://bugs.debian.org/747628 Point
users to Debian packages of deprecated core modules
    DEBPKG:debian/squelch-locale-warnings - http://bugs.debian.org/508764
Squelch locale warnings in Debian package maintainer scripts
    DEBPKG:debian/skip-upstream-git-tests - Skip tests specific to the
upstream Git repository
    DEBPKG:debian/patchlevel - http://bugs.debian.org/567489 List packaged
patches for 5.22.1-10 in patchlevel.h
    DEBPKG:debian/skip-kfreebsd-crash - http://bugs.debian.org/628493 [perl
#96272] Skip a crashing test case in t/op/threads.t on GNU/kFreeBSD
    DEBPKG:fixes/document_makemaker_ccflags - http://bugs.debian.org/628522
[rt.cpan.org #68613] Document that CCFLAGS should include $Config{ccflags}
    DEBPKG:debian/find_html2text - http://bugs.debian.org/640479 Configure
CPAN::Distribution with correct name of html2text
    DEBPKG:debian/perl5db-x-terminal-emulator.patch -
http://bugs.debian.org/668490 Invoke x-terminal-emulator rather than xterm
in perl5db.pl
    DEBPKG:debian/cpan-missing-site-dirs - http://bugs.debian.org/688842
Fix CPAN::FirstTime defaults with nonexisting site dirs if a parent is
writable
    DEBPKG:fixes/memoize_storable_nstore - [rt.cpan.org #77790]
http://bugs.debian.org/587650 Memoize::Storable: respect 'nstore' option
not respected
    DEBPKG:debian/regen-skip - Skip a regeneration check in unrelated git
repositories
    DEBPKG:debian/makemaker-pasthru - http://bugs.debian.org/758471 Pass LD
settings through to subdirectories
    DEBPKG:fixes/pod_man_reproducible_date - http://bugs.debian.org/759405
Support POD_MAN_DATE in Pod::Man for the left-hand footer
    DEBPKG:debian/locale-robustness - http://bugs.debian.org/782068 [perl
#124310] Make t/run/locale.t survive missing locales masked by LC_ALL
    DEBPKG:fixes/podman-utc - http://bugs.debian.org/780259 Make the
embedded date from Pod::Man reproducible
    DEBPKG:fixes/podman-utc-docs - http://bugs.debian.org/780259
Documentation and test suite updates for UTC fix
    DEBPKG:fixes/podman-empty-date - http://bugs.debian.org/780259 Support
an empty POD_MAN_DATE environment variable
    DEBPKG:fixes/podman-pipe - http://bugs.debian.org/777405 Better errors
for man pages from standard input
    DEBPKG:debian/pod2man-customized - Update porting/customized.dat for
pod2man modifications
    DEBPKG:debian/makemaker-manext - http://bugs.debian.org/247370 Make
EU::MakeMaker honour MANnEXT settings in generated manpage headers
    DEBPKG:debian/makemaker_customized - Update t/porting/customized.dat
for files patched in Debian
    DEBPKG:debian/do-not-record-build-date - [6baa8db]
http://bugs.debian.org/774422 [perl #125830] Allow overriding the compile
time in "perl -V" output
    DEBPKG:fixes/podman-source-date-epoch - http://bugs.debian.org/801621
Make Pod::Man honor the SOURCE_DATE_EPOCH environment variable
    DEBPKG:fixes/podman-source-date-epoch-cleanups -
http://bugs.debian.org/801621 Coding style and documentation for
SOURCE_EPOCH_DATE
    DEBPKG:fixes/podman-source-date-epoch-testfix -
http://bugs.debian.org/807086 Guard for building with SOURCE_DATE_EPOCH or
POD_MAN_DATE set
    DEBPKG:debian/devel-ppport-reproducibility -
http://bugs.debian.org/801523 Sort the list of XS code files when
generating RealPPPort.xs
    DEBPKG:fixes/encode-unicode-bom - http://bugs.debian.org/798727 [
rt.cpan.org #107043] Address
https://rt.cpan.org/Public/Bug/Display.html?id=107043
    DEBPKG:debian/encode-unicode-bom-doc - http://bugs.debian.org/798727
Document Debian backport of Encode::Unicode fix
    DEBPKG:debian/kfreebsd-softupdates - http://bugs.debian.org/796798 Work
around Debian Bug#796798
    DEBPKG:fixes/autodie-scope - http://bugs.debian.org/798096 Fix a
scoping issue with "no autodie" and the "system" sub
    DEBPKG:debian/debugperl-compat-fix - [perl #127212]
http://bugs.debian.org/810326 Disable PERL_TRACK_MEMPOOL for debugging
builds
    DEBPKG:fixes/CVE-2015-8607_file_spec_taint_fix -
http://bugs.debian.org/810719 [perl #126862] ensure File::Spec::canonpath()
preserves taint
    DEBPKG:fixes/mkstemp-umask - http://bugs.debian.org/810924 [perl
#127322] [e57270b] Fix umask for mkstemp(3) calls
    DEBPKG:fixes/crosscompile-no-targethost - [perl #127234] Fix the
Configure escape with usecrosscompile but no targethost
    DEBPKG:fixes/podlators-no-encode - [rt.cpan.org #111156] Degrade
gracefully if utf8 is requested but Encode is not available
    DEBPKG:debian/cross-time-hires - [rt.cpan.org #111391] Add an
environment variable to skip running configuration probes
    DEBPKG:fixes/encode-unicode-pod - Unicode.pm: Fix POD error
    DEBPKG:fixes/memoize-pod - [rt.cpan.org #89441] Fix POD errors in
Memoize
    DEBPKG:fixes/ok-pod - Added encoding for pod.
    DEBPKG:fixes/CVE-2016-2381_duplicate_env - remove duplicate environment
variables from environ


@INC for perl 5.22.1:
    /etc/perl
    /usr/local/lib/x86_64-linux-gnu/perl/5.22.1
    /usr/local/share/perl/5.22.1
    /usr/lib/x86_64-linux-gnu/perl5/5.22
    /usr/share/perl5
    /usr/lib/x86_64-linux-gnu/perl/5.22
    /usr/share/perl/5.22
    /usr/local/lib/site_perl
    /usr/lib/x86_64-linux-gnu/perl-base
    .


Environment for perl 5.22.1:
    HOME=/home/jdhedden
    LANG=C
    LANGUAGE=C
    LC_ALL=C
    LD_LIBRARY_PATH (unset)
    LOGDIR (unset)
    PATH=/home/jdhedden/bin:/usr/local/bin:/usr/bin:/bin:/usr/games
    PERLIO=perlio
    PERL_BADLANG (unset)
    SHELL=/bin/bash

@p5pRT
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p5pRT commented Apr 22, 2016

From @tonycoz

On Fri Apr 22 12​:31​:09 2016, jdhedden@​cpan.org wrote​:

The attached patch upgrades the 'threads-shared' module to v1.51.

There's no attachment.

Tony

@p5pRT
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p5pRT commented Apr 22, 2016

The RT System itself - Status changed from 'new' to 'open'

@p5pRT
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p5pRT commented Apr 22, 2016

From @jdhedden

Whoops. Now there is.

On Fri, Apr 22, 2016 at 7​:21 PM, Tony Cook via RT <perlbug-followup@​perl.org

wrote​:

On Fri Apr 22 12​:31​:09 2016, jdhedden@​cpan.org wrote​:

The attached patch upgrades the 'threads-shared' module to v1.51.

There's no attachment.

Tony

@p5pRT
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p5pRT commented Apr 22, 2016

From @jdhedden

0001-Upgrade-to-threads-shared-1.51.patch
From 4a672f8425877662b513211546ce5a118d0c45d5 Mon Sep 17 00:00:00 2001
From: jdhedden <jdhedden@cpan.org>
Date: Fri, 22 Apr 2016 19:23:01 -0400
Subject: [PATCH] Upgrade to threads::shared 1.51

---
 Porting/Maintainers.pl                    |  2 +-
 dist/threads-shared/lib/threads/shared.pm | 15 +++++++++++++--
 dist/threads-shared/shared.xs             | 14 --------------
 3 files changed, 14 insertions(+), 17 deletions(-)

diff --git a/Porting/Maintainers.pl b/Porting/Maintainers.pl
index d861ccb..5554d84 100755
--- a/Porting/Maintainers.pl
+++ b/Porting/Maintainers.pl
@@ -1199,7 +1199,7 @@ use File::Glob qw(:case);
     },
 
     'threads::shared' => {
-        'DISTRIBUTION' => 'JDHEDDEN/threads-shared-1.48.tar.gz',
+        'DISTRIBUTION' => 'JDHEDDEN/threads-shared-1.51.tar.gz',
         'FILES'        => q[dist/threads-shared],
         'EXCLUDED'     => [
             qw( examples/class.pl
diff --git a/dist/threads-shared/lib/threads/shared.pm b/dist/threads-shared/lib/threads/shared.pm
index dc76ab2..89a79a4 100644
--- a/dist/threads-shared/lib/threads/shared.pm
+++ b/dist/threads-shared/lib/threads/shared.pm
@@ -7,7 +7,7 @@ use warnings;
 
 use Scalar::Util qw(reftype refaddr blessed);
 
-our $VERSION = '1.50'; # Please update the pod, too.
+our $VERSION = '1.51'; # Please update the pod, too.
 my $XS_VERSION = $VERSION;
 $VERSION = eval $VERSION;
 
@@ -195,7 +195,7 @@ threads::shared - Perl extension for sharing data structures between threads
 
 =head1 VERSION
 
-This document describes threads::shared version 1.48
+This document describes threads::shared version 1.51
 
 =head1 SYNOPSIS
 
@@ -558,6 +558,17 @@ they contain will be lost.
 Therefore, populate such variables B<after> declaring them as shared.  (Scalar
 and scalar refs are not affected by this problem.)
 
+Blessing a shared item after it has been nested in another shared item does
+not propagate the blessing to the shared reference:
+
+  my $foo = &share({});
+  my $bar = &share({});
+  $bar->{foo} = $foo;
+  bless($foo, 'baz');   # $foo is now of class 'baz',
+                        # but $bar->{foo} is unblessed.
+
+Therefore, you should bless objects before sharing them.
+
 It is often not wise to share an object unless the class itself has been
 written to support sharing.  For example, an object's destructor may get
 called multiple times, once for each thread's scope exit.  Another danger is
diff --git a/dist/threads-shared/shared.xs b/dist/threads-shared/shared.xs
index e323788..a019732 100644
--- a/dist/threads-shared/shared.xs
+++ b/dist/threads-shared/shared.xs
@@ -1166,20 +1166,6 @@ const MGVTBL sharedsv_array_vtbl = {
 };
 
 
-#if 0
-/* XXX unused dead code */
-/* Recursively unlocks a shared sv. */
-
-static void
-Perl_sharedsv_unlock(pTHX_ SV *ssv)
-{
-    user_lock *ul = S_get_userlock(aTHX_ ssv, 0);
-    assert(ul);
-    recursive_lock_release(aTHX_ &ul->lock);
-}
-#endif
-
-
 /* Recursive locks on a sharedsv.
  * Locks are dynamically scoped at the level of the first lock.
  */
-- 
2.8.1

@p5pRT
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p5pRT commented Apr 30, 2016

From @rjbs

Thanks, applied!

--
rjbs

@p5pRT p5pRT closed this as completed Apr 30, 2016
@p5pRT
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p5pRT commented Apr 30, 2016

@rjbs - Status changed from 'open' to 'resolved'

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