Fix a race in the construction of future. This fixes http://llvm.org/bugs/show_bug.cgi?id=14934.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@172456 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-14 20:01:24 +00:00
parent 3e3ae9ec41
commit 1b031c947f
2 changed files with 6 additions and 2 deletions
--- a/src/future.cpp
+++ b/src/future.cpp
@@ -78,8 +78,8 @@ __assoc_sub_state::set_value()
        throw future_error(make_error_code(future_errc::promise_already_satisfied));
 #endif
    __state_ |= __constructed | ready;
-    __lk.unlock();
    __cv_.notify_all();
+    __lk.unlock();
 }

 void