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Quitting Vim sometimes takes forever in C++ mode #218

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sgielen opened this issue Mar 28, 2013 · 7 comments
Closed

Quitting Vim sometimes takes forever in C++ mode #218

sgielen opened this issue Mar 28, 2013 · 7 comments

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@sgielen
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sgielen commented Mar 28, 2013

The C++ code completion works beautifully, it's awesome! However, sometimes when I quit Vim after I edited a C++ file, quitting takes forever. Here's what I gathered:

(gdb) attach 7679
Attaching to program: `/sw/bin/vim', process 7679.
(gdb) bt
#0  0x00007fff9394f0fa in __psynch_cvwait ()
#1  0x00007fff8b3b1f89 in _pthread_cond_wait ()
#2  0x00000001044afabb in boost::condition_variable::wait ()
#3  0x000000010455d8e5 in boost::thread::join_noexcept ()
#4  0x00000001044ad895 in boost::thread::join ()
#5  0x00000001044a9d74 in YouCompleteMe::ClangCompleter::~ClangCompleter ()
#6  0x0000000104513210 in boost::python::objects::value_holder<YouCompleteMe::ClangCompleter>::~value_holder ()
(gdb) info threads
  3                         0x0000000104d2040a in clang::Type::getUnqualifiedDesugaredType ()
  2                         0x00007fff9394f386 in __semwait_signal ()
* 1 "com.apple.main-thread" 0x00007fff9394f0fa in __psynch_cvwait ()
(gdb) thread 3
[Switching to thread 3 (process 7679)]
0x0000000104d2040a in clang::Type::getUnqualifiedDesugaredType ()
(gdb) bt
#0  0x0000000104d2040a in clang::Type::getUnqualifiedDesugaredType ()
#1  0x0000000104c89b7a in clang::FunctionDecl::getNumParams ()
#2  0x0000000104c9ec2a in clang::CXXConstructorDecl::isCopyOrMoveConstructor ()
#3  0x0000000104b1fc58 in ResolveConstructorOverload ()
[...]
#22 0x000000010492a926 in clang::ParseAST ()
#23 0x000000010482a576 in clang::FrontendAction::Execute ()
#24 0x0000000104801100 in clang::ASTUnit::Parse ()
#25 0x000000010480522d in clang::ASTUnit::Reparse ()
#26 0x00000001047b46ad in clang_reparseTranslationUnit_Impl ()
#27 0x0000000104ddf53d in llvm::CrashRecoveryContext::RunSafely ()
#28 0x0000000104ddf5e9 in RunSafelyOnThread_Dispatch ()
#29 0x0000000104dee39d in ExecuteOnThread_Dispatch ()
#30 0x00007fff8b3ad742 in _pthread_start ()
#31 0x00007fff8b39a181 in thread_start ()
(gdb) continue
Continuing.
[...wait a few seconds...]
^C
Program received signal SIGINT, Interrupt.
(gdb) thread 3
[Switching to thread 3 (process 7679)]
0x0000000104d20407 in clang::Type::getUnqualifiedDesugaredType ()
(gdb) bt
#0  0x0000000104d20407 in clang::Type::getUnqualifiedDesugaredType ()
#1  0x0000000104c89b7a in clang::FunctionDecl::getNumParams ()
#2  0x0000000104c9ec2a in clang::CXXConstructorDecl::isCopyOrMoveConstructor ()
[.... i.e. still the same backtrace, so getUnqualifiedDesugaredType() doesn't return....]

This is vim 7.3.861, commit b4837c8. I can do further debugging, but can't make any modifications to the libclang used since it seems YCM's install.sh downloads a binary version of it?
@sgielen
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sgielen commented Mar 28, 2013

I'm not sure if the third thread has anything to do with it; this also happens without that thread:

sjors@smbp:~$ gdb /sw/bin/vim
(gdb) attach 1149
Attaching to program: `/sw/bin/vim', process 1149.
(gdb) info threads
  2                         0x00007fff8f7fc122 in __psynch_mutexwait ()
* 1 "com.apple.main-thread" 0x00007fff8f7fc0fa in __psynch_cvwait ()

In this case, the main thread is blocking on a boost::thread again:

(gdb) bt
#0  0x00007fff8f7fc0fa in __psynch_cvwait ()
#1  0x00007fff8725ef89 in _pthread_cond_wait ()
#2  0x000000010668fabb in boost::condition_variable::wait ()
#3  0x000000010673d8e5 in boost::thread::join_noexcept ()
#4  0x000000010668d895 in boost::thread::join ()
#5  0x0000000106689d74 in YouCompleteMe::ClangCompleter::~ClangCompleter ()

And the second thread is waiting for a lock:

(gdb) thread 2
[Switching to thread 2 (process 1149)]
0x00007fff8f7fc122 in __psynch_mutexwait ()
(gdb) bt
#0  0x00007fff8f7fc122 in __psynch_mutexwait ()
#1  0x00007fff8725fd9d in pthread_mutex_lock ()
#2  0x0000000106690898 in boost::unique_lock<boost::mutex>::lock ()
#3  0x00000001066ba12b in YouCompleteMe::TranslationUnit::Reparse ()
#4  0x00000001066ba00b in YouCompleteMe::TranslationUnit::TranslationUnit ()
#5  0x000000010668f37a in _ZN5boost11make_sharedIN13YouCompleteMe15TranslationUnitERKNSt3__112basic_stringIcNS3_11char_traitsIcEENS3_9allocatorIcEEEEJRKNS3_6vectorI11UnsavedFileNS7_ISD_EEEERKNSC_IS9_NS7_IS9_EEEERPvEEENS_6detail15sp_if_not_arrayIT_E4typeEOT0_DpOT1_ ()
#6  0x000000010668abef in YouCompleteMe::ClangCompleter::GetTranslationUnitForFile ()
#7  0x000000010668a794 in YouCompleteMe::ClangCompleter::UpdateTranslationUnit ()
#8  0x00000001066abe96 in boost::detail::task_object<boost::function<void ()()>, void>::do_run ()
#9  0x0000000106691dbf in boost::detail::task_base<void>::run ()
#10 0x000000010668f971 in boost::packaged_task<void>::operator() ()
#11 0x000000010668d3b1 in YouCompleteMe::ClangCompleter::ClangThreadMain ()

@Valloric
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I think I've encountered this a couple of times now too. It's pretty rare and not really repeatable so I haven't yet had the opportunity to debug it. Seems like it's caused by a race condition somewhere.

You can swap out the libclang.so that's placed in your YouCompleteMe/python directory with a custom libclang.so and YCM will use that.

@Valloric
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I think I fixed this, but I'm not sure. Please reopen the issue if you encounter it again.

Thanks for the wealth of debugging information you provided. I would not have been able to track down the error without it.

@ixarka
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ixarka commented Aug 7, 2013

This exact same issue is happening to me. It occurs fairly frequently (probably ~75% of the time I close vim). I'm using a fairly recent ycm (4374da6) which should have the fix above. I snagged this stack trace in case it's helpful. Let me know if there's any additional information you need in tracking down the problem...I've put as verbose a dump as possible since I'm not sure what might help. This plugin is otherwise awesome and has been completely life-changing for me, so thanks.

I'm trying to switch my vim usage to avoid closing/reopening files too often but old habits die hard :)

(gdb) bt
#0  0x00000031ebe0aee9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0
#1  0x00002aaaac150c6b in boost::condition_variable::wait(boost::unique_lock<boost::mutex>&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#2  0x00002aaaac22387e in boost::thread::join_noexcept() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#3  0x00002aaaac13a02f in YouCompleteMe::ClangCompleter::~ClangCompleter() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#4  0x00002aaaac1b4d48 in boost::python::objects::value_holder<YouCompleteMe::ClangCompleter>::~value_holder() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#5  0x00002aaaac1f708d in instance_dealloc ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
<junk beneath here>

Possibly other useful threads?

(gdb) info threads
  Id   Target Id         Frame
  5    Thread 0x40632940 (LWP 12699) 0x00000031eb2cd722 in select () from /lib64/libc.so.6
  4    Thread 0x448c8940 (LWP 12705) 0x00000031ebe0cd21 in sem_wait () from /lib64/libpthread.so.0
  3    Thread 0x47acd940 (LWP 12710) 0x00000031ebe07b35 in pthread_join () from /lib64/libpthread.so.0
  2    Thread 0x482ce940 (LWP 12712) 0x00002aaaac56d7c0 in clang::QualType::getCommonPtr() const ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
* 1    Thread 0x2ac909940870 (LWP 12698) 0x00000031ebe0aee9 in pthread_cond_wait@@GLIBC_2.3.2 () from /lib64/libpthread.so.0

(gdb) t 3
[Switching to thread 3 (Thread 0x47acd940 (LWP 12710))]
#0  0x00000031ebe07b35 in pthread_join () from /lib64/libpthread.so.0
(gdb) bt
#0  0x00000031ebe07b35 in pthread_join () from /lib64/libpthread.so.0
#1  0x00002aaaad418a9e in llvm::llvm_execute_on_thread(void (*)(void*), void*, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#2  0x00002aaaad3f374c in llvm::CrashRecoveryContext::RunSafelyOnThread(void (*)(void*), void*, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#3  0x00002aaaac544ace in clang::RunSafely(llvm::CrashRecoveryContext&, void (*)(void*), void*, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#4  0x00002aaaac555815 in clang_reparseTranslationUnit ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#5  0x00002aaaac16c856 in YouCompleteMe::TranslationUnit::Reparse(std::vector<CXUnsavedFile, std::allocator<CXUnsavedFile> >&, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#6  0x00002aaaac16ce46 in YouCompleteMe::TranslationUnit::TranslationUnit(std::string const&, std::vector<UnsavedFile, std::allocator<UnsavedFile> > const&, std::vector<std::string, std::allocator<std::string> > const&, void*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#7  0x00002aaaac147884 in boost::detail::sp_if_not_array<YouCompleteMe::TranslationUnit>::type boost::make_shared<YouCompleteMe::TranslationUnit, std::string, std::vector<UnsavedFile, std::allocator<UnsavedFile> >, std::vector<std::string
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#8  0x00002aaaac1370ec in YouCompleteMe::ClangCompleter::GetTranslationUnitForFile(std::string const&, std::vector<UnsavedFile, std::allocator<UnsavedFile> > const&, std::vector<std::string, std::allocator<std::string> > const&, bool&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#9  0x00002aaaac1378cf in YouCompleteMe::ClangCompleter::UpdateTranslationUnit(std::string const&, std::vector<UnsavedFile, std::allocator<UnsavedFile> > const&, std::vector<std::string, std::allocator<std::string> > const&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#10 0x00002aaaac15bc27 in boost::detail::task_object<boost::function<void ()>, void>::do_run() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#11 0x00002aaaac136498 in YouCompleteMe::ClangCompleter::ClangThreadMain() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#12 0x00002aaaac222604 in thread_proxy () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/ycm_core.so
#13 0x00000031ebe0673d in start_thread () from /lib64/libpthread.so.0
#14 0x00000031eb2d44bd in clone () from /lib64/libc.so.6
#15 0x0000000000000000 in ?? ()

(gdb) t 2
[Switching to thread 2 (Thread 0x482ce940 (LWP 12712))]
#0  0x00002aaaac56d7c0 in clang::QualType::getCommonPtr() const ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
(gdb) bt
#0  0x00002aaaac56d7c0 in clang::QualType::getCommonPtr() const ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#1  0x00002aaaad25b04e in clang::Type::isIncompleteType(clang::NamedDecl**) const ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#2  0x00002aaaacdc98b7 in clang::Sema::RequireCompleteType(clang::SourceLocation, clang::QualType, clang::Sema::TypeDiagnoser&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#3  0x00002aaaacdca882 in clang::Sema::RequireCompleteType(clang::SourceLocation, clang::QualType, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#4  0x00002aaaacc601ee in clang::TryReferenceInit(clang::Sema&, clang::Expr*, clang::QualType, clang::SourceLocation, bool, bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#5  0x00002aaaacc4f3cd in clang::TryCopyInitialization(clang::Sema&, clang::Expr*, clang::QualType, bool, bool, bool, bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#6  0x00002aaaacc5876d in clang::Sema::AddOverloadCandidate(clang::FunctionDecl*, clang::DeclAccessPair, llvm::ArrayRef<clang::Expr*>, clang::OverloadCandidateSet&, bool, bool, bool) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-43
#7  0x00002aaaacc5d2f6 in clang::Sema::AddFunctionCandidates(clang::UnresolvedSetImpl const&, llvm::ArrayRef<clang::Expr*>, clang::OverloadCandidateSet&, bool, clang::TemplateArgumentListInfo*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#8  0x00002aaaacc6905f in clang::Sema::CreateOverloadedBinOp(clang::SourceLocation, unsigned int, clang::UnresolvedSetImpl const&, clang::Expr*, clang::Expr*) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python
#9  0x00002aaaacae3f9d in BuildOverloadedBinOp(clang::Sema&, clang::Scope*, clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libc
#10 0x00002aaaacb35c5d in clang::Sema::BuildBinOp(clang::Scope*, clang::SourceLocation, clang::BinaryOperatorKind, clang::Expr*, clang::Expr*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#11 0x00002aaaacb3619a in clang::Sema::ActOnBinOp(clang::Scope*, clang::SourceLocation, clang::tok::TokenKind, clang::Expr*, clang::Expr*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#12 0x00002aaaac8b7585 in clang::Parser::ParseRHSOfBinaryExpression(clang::ActionResult<clang::Expr*, true>, clang::prec::Level) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#13 0x00002aaaac8b270f in clang::Parser::ParseAssignmentExpression(clang::Parser::TypeCastState) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#14 0x00002aaaac8b3829 in clang::Parser::ParseExpression(clang::Parser::TypeCastState) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#15 0x00002aaaac8fd552 in clang::Parser::ParseExprStatement() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#16 0x00002aaaac8f6abe in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#17 0x00002aaaac8f76ee in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#18 0x00002aaaac8f3416 in clang::Parser::ParseCompoundStatementBody(bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#19 0x00002aaaac8f3c9c in clang::Parser::ParseCompoundStatement(bool, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#20 0x00002aaaac8f3cf2 in clang::Parser::ParseCompoundStatement(bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#21 0x00002aaaac8f6b34 in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#22 0x00002aaaac8f76ee in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#23 0x00002aaaac8f8533 in clang::Parser::ParseForStatement(clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#24 0x00002aaaac8f6ad1 in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#25 0x00002aaaac8f76ee in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#26 0x00002aaaac8f3416 in clang::Parser::ParseCompoundStatementBody(bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#27 0x00002aaaac8f3c9c in clang::Parser::ParseCompoundStatement(bool, unsigned int) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#28 0x00002aaaac8f3cf2 in clang::Parser::ParseCompoundStatement(bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#29 0x00002aaaac8f6b34 in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#30 0x00002aaaac8f76ee in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#31 0x00002aaaac8f8533 in clang::Parser::ParseForStatement(clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#32 0x00002aaaac8f6ad1 in clang::Parser::ParseStatementOrDeclarationAfterAttributes(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*, clang::Parser::ParsedAttributesWithRange&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#33 0x00002aaaac8f76ee in clang::Parser::ParseStatementOrDeclaration(llvm::SmallVector<clang::Stmt*, 32u>&, bool, clang::SourceLocation*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#34 0x00002aaaac8f3416 in clang::Parser::ParseCompoundStatementBody(bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#35 0x00002aaaac8f3b4c in clang::Parser::ParseFunctionStatementBody(clang::Decl*, clang::Parser::ParseScope&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#36 0x00002aaaac86633b in clang::Parser::ParseFunctionDefinition(clang::ParsingDeclarator&, clang::Parser::ParsedTemplateInfo const&, clang::Parser::LateParsedAttrList*) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoloa
#37 0x00002aaaac8877d3 in clang::Parser::ParseDeclGroup(clang::ParsingDeclSpec&, unsigned int, bool, clang::SourceLocation*, clang::Parser::ForRangeInit*) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/lib
#38 0x00002aaaac861984 in clang::Parser::ParseDeclOrFunctionDefInternal(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec&, clang::AccessSpecifier) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../p
#39 0x00002aaaac862047 in clang::Parser::ParseDeclarationOrFunctionDefinition(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec*, clang::AccessSpecifier) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoloa
#40 0x00002aaaac862abe in clang::Parser::ParseExternalDeclaration(clang::Parser::ParsedAttributesWithRange&, clang::ParsingDeclSpec*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#41 0x00002aaaac86393a in clang::Parser::ParseTopLevelDecl(clang::OpaquePtr<clang::DeclGroupRef>&) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#42 0x00002aaaac8566c8 in clang::ParseAST(clang::Sema&, bool, bool) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#43 0x00002aaaac6338a9 in clang::FrontendAction::Execute() ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#44 0x00002aaaac5f49f9 in clang::ASTUnit::Parse(llvm::MemoryBuffer*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#45 0x00002aaaac5f55ca in clang::ASTUnit::Reparse(std::pair<std::string, llvm::PointerUnion<char const*, llvm::MemoryBuffer const*> >*, unsigned int) () from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang
#46 0x00002aaaac54d7c4 in clang_reparseTranslationUnit_Impl ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#47 0x00002aaaad3f389c in llvm::CrashRecoveryContext::RunSafely(void (*)(void*), void*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#48 0x00002aaaad3f38e4 in RunSafelyOnThread_Dispatch(void*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#49 0x00002aaaad418a1d in ExecuteOnThread_Dispatch(void*) ()
   from .vim/pathogen_plugins/Valloric-YouCompleteMe-4374da6/autoload/../python/libclang.so
#50 0x00000031ebe0673d in start_thread () from /lib64/libpthread.so.0
#51 0x00000031eb2d44bd in clone () from /lib64/libc.so.6
#52 0x0000000000000000 in ?? ()

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Valloric commented Aug 7, 2013

@ixarka This issue will be addressed when #358 is implemented.

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ixarka commented Aug 7, 2013

Just to confirm -- #358 will fix hanging when quitting for C++ files as well (that thread seems to discuss only python issues)? The file I was editing/closing was C++. I do have jedi installed for when I edit python, but I didn't have any python files open at the time.

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Valloric commented Aug 7, 2013

@ixarka Yes, when YCM is split into a Vim client and separate daemon process, the daemon shutdown will be independent of Vim shutdown (separate OS processes).

@Valloric Valloric mentioned this issue Aug 19, 2013
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bijancn pushed a commit to bijancn/YouCompleteMe that referenced this issue Jul 26, 2016
@homu
Auto merge of ycm-core#218 - micbou:windows-backslash-trigger, r=Vall…
a66b686 
…oric

[Windows support] Add backslash trigger to complete path on Windows

With this PR, paths can be completed using the `\` separator on Windows.

I also simplified and refactored the regular expression used to match a path.

Fix 5 tests (5 failures) on Windows (listed in the commit message).
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@sgielen @Valloric @ixarka