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-rw-r--r--rts/include/rts/OSThreads.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/rts/include/rts/OSThreads.h b/rts/include/rts/OSThreads.h
index d24a1313a6..77241341b7 100644
--- a/rts/include/rts/OSThreads.h
+++ b/rts/include/rts/OSThreads.h
@@ -114,6 +114,7 @@ typedef DWORD ThreadLocalKey;
#define INIT_COND_VAR 0
/* Note [SRW locks]
+ ~~~~~~~~~~~~~~~~
We have a choice for implementing Mutexes on Windows. Standard
Mutexes are kernel objects that require kernel calls to
acquire/release, whereas CriticalSections are spin-locks that block