Fix temporaries in the header #12322
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We have to make this as `static` or `extern` in order to keep the
lifetime of these arrays until application terminates. `static` needs to
be picked if values will not be compared by reference between various
translation units otherwise we need `extern`.
Should resolve valgrind detected issues, e.g.:
==27582== Invalid read of size 4
==27582== at 0x5BFEE2D: __gnu_cxx::__exchange_and_add(int volatile*, int) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5BFEEC1: __gnu_cxx::__exchange_and_add_dispatch(int*, int) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5C0330F: std::string::_Rep::_M_dispose(std::allocator<char> const&) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5BFF9E2: std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x71AD3EF: __tcf_2 (GEMDetLabel.h:4)
==27582== by 0x3A46635B21: exit (in /lib64/libc-2.12.so)
==27582== by 0x3A4661ED63: (below main) (in /lib64/libc-2.12.so)
==27582== Address 0x60579c0 is 16 bytes inside a block of size 30 free'd
==27582== at 0x40290B3: operator delete(void*) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/valgrind/3.10.1/lib/valgrind/vgpreload_memcheck-amd64-linux.so)
==27582== by 0x5C03D3F: __gnu_cxx::new_allocator<char>::deallocate(char*, unsigned long) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5C0337E: std::string::_Rep::_M_destroy(std::allocator<char> const&) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5C0332B: std::string::_Rep::_M_dispose(std::allocator<char> const&) (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x5BFF9E2: std::basic_string<char, std::char_traits<char>, std::allocator<char> >::~basic_string() (in /afs/cern.ch/cms/sw/ReleaseCandidates/volB/slc6_amd64_gcc493/external/gcc/4.9.3/lib64/libstdc++.so.6.0.20)
==27582== by 0x713F6FE: __tcf_2 (GEMDetLabel.h:4)
==27582== by 0x3A46635B21: exit (in /lib64/libc-2.12.so)
==27582== by 0x3A4661ED63: (below main) (in /lib64/libc-2.12.so)
Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
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All issues below. Pick between |
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Should resolve issues introduced by #11891 |
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A new Pull Request was created by @davidlt for CMSSW_8_0_X. Fix temporaries in the header It involves the following packages: Validation/MuonGEMHits @cmsbuild, @danduggan, @vanbesien, @deguio can you please review it and eventually sign? Thanks. |
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This seems to be: https://sft.its.cern.ch/jira/browse/ROOT-7775 This is needed for ROOT 6.04/6.06 where CMSSW IBs hangs while running
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davidlange6
added a commit
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Nov 10, 2015
Fix temporaries in the header
davidlt
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to cms-sw/cmsdist
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Nov 24, 2015
ROOT commit: bcfd9aa063d0881063cec712ccbc9e66e443375a Includes a fix for ROOT-7775 (static variable handling). This was causing segfaults in CMSSW (edmConfigWriter). Signal handler inside ROOT was causing deadlock in malloc hanging CMSSW IBs. The following patch was applied in CMSSW to work around the isue: cms-sw/cmssw#12322 Signed-off-by: David Abdurachmanov <David.Abdurachmanov@cern.ch>
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We have to make this as
staticorexternin order to keep thelifetime of these arrays until application terminates.
staticneeds tobe picked if values will not be compared by reference between various
translation units otherwise we need
extern.Should resolve valgrind detected issues, e.g.:
Signed-off-by: David Abdurachmanov David.Abdurachmanov@cern.ch