X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu%2Ffutex.h;h=b71563b7c90c5f3136d4e2517e4de95bb8576202;hb=11eb040f24e020d05d65983d0f87f79b000c7b9f;hp=906d9b723ae88481fc7874e1409dc24dd80f35eb;hpb=3282a76b46b74a92809292fa63ba671de9ad88eb;p=userspace-rcu.git

diff --git a/urcu/futex.h b/urcu/futex.h
index 906d9b7..b71563b 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