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Date: Sun, 29 Jul 2007 17:45:58 -0700 (PDT)
From: "Martin Sebor (JIRA)" <jira@apache.org>
To: stdcxx-dev@incubator.apache.org
Subject: [jira] Updated: (STDCXX-450) std::use_facet<std::num_put>() not
 thread safe
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     [ https://issues.apache.org/jira/browse/STDCXX-450?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Martin Sebor updated STDCXX-450:
--------------------------------

    Component/s: Thread Safety

Added Thread Safety to the list of components affected by this issue.

> std::use_facet<std::num_put>() not thread safe
> ----------------------------------------------
>
>                 Key: STDCXX-450
>                 URL: https://issues.apache.org/jira/browse/STDCXX-450
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: 22. Localization, Thread Safety
>    Affects Versions: 4.2, 4.1.3
>         Environment: Linux
>            Reporter: Martin Sebor
>            Priority: Blocker
>         Attachments: 22.locale.num.put.mt.html
>
>
> The 22.locale.num.put.mt thread safety tests aborts at runtime indicating that there is a thread safety issue in the locale implementation. Unfortunately, running the test through the Intel Thread Checker hasn't revealed the cause of the problem since the thread checker exits prematurely, most likely due to a bug in the tool itself (see below).
> $ icc --version && tcheck_cl -v && make 22.locale.num.put.mt CXXOPTS=-tcheck LDOPTS=-tcheck && ./22.locale.num.put.mt --nthreads=4 --nloops=10000 || tcheck_cl ./22.locale.num.put.mt --nthreads=4 --nloops=1000000
> icc (ICC) 9.1 20070320
> Copyright (C) 1985-2007 Intel Corporation.  All rights reserved.
> Intel(R) Thread Checker 3.1 command line instrumentation driver (24400)
> Copyright (c) 2007 Intel Corporation. All rights reserved.
> icc -cxxlib-nostd -g   -w1 -tcheck -I/amd/devco/sebor/stdcxx/include/ansi -D_RWSTDDEBUG   -D_REENTRANT -I/amd/devco/sebor/stdcxx/include -I/build/sebor/stdcxx-icc-9.1_049-15S/include -I/amd/devco/sebor/stdcxx/tests/include  -L/build/sebor/stdcxx-icc-9.1_049-15S/rwtest -lrwtest15S -cxxlib-nostd  -lpthread  -L/build/sebor/stdcxx-icc-9.1_049-15S/lib -tcheck  /amd/devco/sebor/stdcxx/tests/localization/22.locale.num.put.mt.cpp /build/sebor/stdcxx-icc-9.1_049-15S/lib/libstd15S.a /build/sebor/stdcxx-icc-9.1_049-15S/rwtest/librwtest15S.a  -lstd15S -lcxaguard -lsupc++ -lm -o 22.locale.num.put.mt
> icc: warning: thread checking compilation disables optimization
> # 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.num.put.mt.cpp
> # COMPILED: Jun 13 2007, 14:05:31
> # COMMENT: thread safety
> ############################################################
> # CLAUSE: lib.locale.num.put
> # NOTE (S2) (5 lines):
> # TEXT: executing "locale -a > /tmp/tmpfile-qNKfDC"
> # CLAUSE: lib.locale.num.put
> # FILE: process.cpp
> # LINE: 274
> # INFO (S1) (3 lines):
> # TEXT: testing std::num_put<charT> with 4 threads, 10000 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.num.put
> # INFO (S1) (3 lines):
> # TEXT: exercising std::num_put<char>
> # CLAUSE: lib.locale.num.put
> /amd/devco/sebor/stdcxx/src/locale_body.h:242: static __rw::__rw_facet::_C_facet_type __rw::__rw_locale::_C_get_facet_type(const __rw::__rw_facet &): Assertion '0 != __facet._C_pid' failed.
> ./22.locale.num.put.mt[0x40eb27]
> ./22.locale.num.put.mt[0x40ebff]
> ./22.locale.num.put.mt[0x413760]
> ./22.locale.num.put.mt[0x419cbd]
> ./22.locale.num.put.mt[0x41d0e7]
> ./22.locale.num.put.mt[0x41d263]
> ./22.locale.num.put.mt[0x440ea3]
> ./22.locale.num.put.mt[0x440f51]
> ./22.locale.num.put.mt[0x4088d7]
> ./22.locale.num.put.mt[0x408cad]
> ./22.locale.num.put.mt[0x40d787]
> /lib64/tls/libpthread.so.0[0x353a00610a]
> /lib64/tls/libc.so.6(__clone+0x73)[0x35395c68c3]
> Aborted
> Intel(R) Thread Checker 3.1 command line instrumentation driver (24400)
> Copyright (c) 2007 Intel Corporation. All rights reserved.
> Building project
> Instrumenting
>  11% 22.locale.num.put.mt ( All Functions ):.......................................................
> .
>  33% libc-2.3.4.so   ( Minimal ):....
>  44% libcxaguard.so.5 ( Minimal ):..
>  55% libdl-2.3.4.so  ( Minimal ):..
>  66% libgcc_s-3.4.6-20060404.so.1 ( Minimal ):..
>  77% libimf.so       ( Minimal ):..
>  88% libm-2.3.4.so   ( Minimal ):..
> 100% libpthread-2.3.4.so ( Minimal ):..
> Running:  /build/sebor/stdcxx-icc-9.1_049-15S/tests/22.locale.num.put.mt --nthreads=4 --nloops=1000000
> # 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.num.put.mt.cpp
> # COMPILED: Jun 13 2007, 14:05:31
> # COMMENT: thread safety
> ############################################################
> # CLAUSE: lib.locale.num.put
> # NOTE (S2) (5 lines):
> # TEXT: executing "locale -a > /tmp/tmpfile-j8uQY8"
> # CLAUSE: lib.locale.num.put
> # FILE: process.cpp
> # LINE: 274
> # INFO (S1) (3 lines):
> # TEXT: testing std::num_put<charT> with 4 threads, 1000000 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.num.put
> # INFO (S1) (3 lines):
> # TEXT: exercising std::num_put<char>
> # CLAUSE: lib.locale.num.put
> Application finished
> _______________________________________________________________________________
> |ID |Short        |Severity  |Coun|Context[B|Descript|1st Access[|2nd         |
> |   |Description  |Name      |t   |est]     |ion     |Best]      |Access[Best]|
> _______________________________________________________________________________

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