1 files changed, 4 insertions, 0 deletions
diff --git a/atomicio.c b/atomicio.c
index 7d9f9340c..45da22d3b 100644
--- a/atomicio.c
+++ b/atomicio.c
@@ -46,7 +46,11 @@ atomicio(f, fd, _s, n)
 		res = (f) (fd, s + pos, n - pos);
 		switch (res) {
 		case -1:
+#ifdef EWOULDBLOCK
+			if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK)
+#else
 			if (errno == EINTR || errno == EAGAIN)
+#endif
 				continue;
 		case 0:
 			return (res);