Commit dce19dea authored by Peter Bell's avatar Peter Bell

Hold lock in latch::count_down to avoid cv destruction before notify

parent 3eb10bb4
......@@ -744,12 +744,10 @@ class latch
latch(size_t n): num_left_(n) {}
void count_down()
{
{
lock_t lock(mut_);
if (--num_left_)
return;
}
completed_.notify_all();
}
......
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