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uatomic: Specify complete types for atomic function calls
[urcu.git]
/
urcu
/
futex.h
diff --git
a/urcu/futex.h
b/urcu/futex.h
index bb270c2933fcaf174a67207858addbc35e09982c..2be3bb6c1dc96e5ee71d932f9a2ae7f5221d901b 100644
(file)
--- a/
urcu/futex.h
+++ b/
urcu/futex.h
@@
-42,6
+42,9
@@
extern "C" {
*
* futex_async is signal-handler safe for the wakeup. It uses polling
* on the wait-side in compatibility mode.
+ *
+ * BEWARE: sys_futex() FUTEX_WAIT may return early if interrupted
+ * (returns EINTR).
*/
#ifdef CONFIG_RCU_HAVE_FUTEX
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