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);