X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Ffutex.h;h=2be3bb6c1dc96e5ee71d932f9a2ae7f5221d901b;hp=bb270c2933fcaf174a67207858addbc35e09982c;hb=b0a841b4ff807dd29fe0cdbfe24900312f0e627b;hpb=f4fe930941ad7e73ca2064c8be1abc31626ec50b

diff --git a/urcu/futex.h b/urcu/futex.h
index bb270c2..2be3bb6 100644
--- 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