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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Created: (STDCXX-450) std::use_facet<std::num_put>() not thread safe
Date Tue, 19 Jun 2007 01:45:25 GMT
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
    Affects Versions: 4.1.3, 4.2
         Environment: Linux
            Reporter: Martin Sebor
            Priority: Blocker


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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