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Diffstat (limited to 'boost/thread/externally_locked.hpp')
-rw-r--r-- | boost/thread/externally_locked.hpp | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/boost/thread/externally_locked.hpp b/boost/thread/externally_locked.hpp index 0d4baaa512..4b9ac4c637 100644 --- a/boost/thread/externally_locked.hpp +++ b/boost/thread/externally_locked.hpp @@ -24,6 +24,7 @@ namespace boost { + class mutex; /** * externally_locked cloaks an object of type T, and actually provides full |