X-Git-Url: https://git.lttng.org/?p=urcu.git;a=blobdiff_plain;f=README;h=2fae654de9a0aac1bf4e5ea83eebb70656757283;hp=71cf729598bd8e5e9223246a3b5562bbaa017dd5;hb=dd052bd346ddd497ed79f771ea1d5b3406bbcf07;hpb=7abf2d0da3b328572a17c9457b33c3890b0ba58b

diff --git a/README b/README
index 71cf729..2fae654 100644
--- a/README
+++ b/README
@@ -29,6 +29,14 @@ Writing
 	After, synchronize_rcu() must be called. When it returns, the old
 	values are not in usage anymore.
 
+Being careful with signals
+
+	The library uses signals internally. The signal handler is
+	registered with the SA_RESTART flag. However, these signals may cause
+	some non-restartable system calls to fail with errno = EINTR. Care
+	should be taken to restart system calls manually if they fail with this
+	error. A list of non-restartable system calls may be found in
+	signal(7).
 
 Usage of DEBUG_FULL_MB