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From "Travis Vitek (JIRA)" <j...@apache.org>
Subject [jira] Updated: (STDCXX-452) std::numpunct not thread safe
Date Fri, 28 Sep 2007 23:44:51 GMT

     [ https://issues.apache.org/jira/browse/STDCXX-452?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Travis Vitek updated STDCXX-452:
--------------------------------

    Attachment: punct.patch


2007-09-28  Travis Vitek  <vitek@roguewave.com>

	STDCXX-452
	* punct.cpp (__rw_get_numpunct): After creating __rw_setlocale
	object check if the locale data is initialized by another thread
	to avoid doing unnecessary work and leaking memory.


> std::numpunct not thread safe
> -----------------------------
>
>                 Key: STDCXX-452
>                 URL: https://issues.apache.org/jira/browse/STDCXX-452
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization, Thread Safety
>    Affects Versions: 4.1.2, 4.1.3
>         Environment: all
>            Reporter: Martin Sebor
>            Assignee: Travis Vitek
>            Priority: Blocker
>             Fix For: 4.2
>
>         Attachments: 22.locale.numpunct.mt.html, punct.patch
>
>
> The 22.locale.numpunct.mt thread safety tests aborts at runtime indicating that there
is a thread safety issue in the locale implementation. Running the test through the Intel
Thread Checker reveals possible causes of the problem.
> $ tcheck_cl -v && make 22.locale.numpunct.mt && tcheck_cl -f html -o
22.locale.numpunct.mt ./22.locale.numpunct.mt --nthreads=2 --nloops=1000
> Intel(R) Thread Checker 3.1 command line instrumentation driver (24400)
> Copyright (c) 2007 Intel Corporation. All rights reserved.
> make: `22.locale.numpunct.mt' is up to date.
> Intel(R) Thread Checker 3.1 command line instrumentation driver (24400)
> Copyright (c) 2007 Intel Corporation. All rights reserved.
> Building project
> Running:  /build/sebor/stdcxx-icc-9.1_049-15S/tests/22.locale.numpunct.mt --nthreads=2
--nloops=1000
> # INFO (S1) (10 lines):
> # TEXT: 
> # COMPILER: Intel C++, __INTEL_COMPILER = 910, __INTEL_COMPILER_BUILD_DATE = 20070320,
__EDG_VERSION__ = 306
> # ENVIRONMENT: x86_64/LP64 running linux-elf 2.4.20 with glibc 2.3
> # FILE: 22.locale.numpunct.mt.cpp
> # COMPILED: Jun 13 2007, 14:05:31
> # COMMENT: thread safety
> ############################################################
> # CLAUSE: lib.locale.numpunct
> # NOTE (S2) (5 lines):
> # TEXT: executing "locale -a > /tmp/tmpfile-FZLyTh"
> # CLAUSE: lib.locale.numpunct
> # FILE: process.cpp
> # LINE: 274
> # INFO (S1) (3 lines):
> # TEXT: testing std::numpunct<charT> with 2 threads, 1000 iterations each, in locales
{ "aa_DJ" "aa_DJ.iso88591" "aa_DJ.utf8" "aa_ER" "aa_ER@saaho" "aa_ER.utf8" "aa_ER.utf8@saaho"
"aa_ET" "aa_ET.utf8" "af_ZA" "af_ZA.iso88591" "af_ZA.utf8" "am_ET" "am_ET.utf8" "an_ES" "an_ES.iso885915"
"an_ES.utf8" "ar_AE" "ar_AE.iso88596" "ar_AE.utf8" "ar_BH" "ar_BH.iso88596" "ar_BH.utf8" "ar_DZ"
"ar_DZ.iso88596" "ar_DZ.utf8" "ar_EG" "ar_EG.iso88596" "ar_EG.utf8" "ar_IN" "ar_IN.utf8" "ar_IQ"
}
> # CLAUSE: lib.locale.numpunct
> # INFO (S1) (3 lines):
> # TEXT: exercising std::numpunct<char>
> # CLAUSE: lib.locale.numpunct
> /amd/devco/sebor/stdcxx/tests/localization/22.locale.numpunct.mt.cpp:128: void *thread_func(void
*): Assertion '0 == rw_strncmp (fn.c_str (), data->falsename_)' failed.
> /build/sebor/stdcxx-icc-9.1_049-15S/tests/./22.locale.numpunct.mt[0x8ad9fc]
> Application finished

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