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Protecting diagnostic access with mutex

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This commit is contained in:
Strahinja Val Markovic 2012-08-01 17:18:35 -07:00
parent 06d653c60d
commit 11a52d018c
1 changed files with 6 additions and 3 deletions
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9
cpp/ycm/ClangCompleter.cpp
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@ -38,6 +38,7 @@ using boost::shared_ptr;
using boost::bind;
using boost::thread;
using boost::lock_guard;
using boost::unique_lock;
using boost::mutex;
using boost::unordered_map;
@ -340,12 +341,14 @@ void ClangCompleter::SetFileCompileFlags(
std::vector< Diagnostic > ClangCompleter::DiagnosticsForFile(
const std::string &filename )
{
// TODO: make sure that accessing the translation unit is thread safe; what if
// a bg thread is parsing the TU when we try to access the diagnostics?
std::vector< Diagnostic > diagnostics;
unique_lock< mutex > lock( file_parse_task_mutex_, boost::try_to_lock_t );
if ( !lock.owns_lock() )
return diagnostics;
CXTranslationUnit unit = FindWithDefault( filename_to_translation_unit_,
filename,
NULL );
std::vector< Diagnostic > diagnostics;
if ( !unit )
return diagnostics;