[PATCH 1/2] xread: retry after poll on EAGAIN/EWOULDBLOCK

[Eric Wong]

We should continue to loop after EAGAIN/EWOULDBLOCK as the
intent of xread is to read as much as possible until an
EOF or real error occurs.

Fixes: 1079c4be0b720 ("xread: poll on non blocking fds")

Signed-off-by: Eric Wong <e...@80x24.org>
---
 wrapper.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/wrapper.c b/wrapper.c
index 5dc4e15..f1155d0 100644
--- a/wrapper.c
+++ b/wrapper.c
@@ -255,6 +255,7 @@ ssize_t xread(int fd, void *buf, size_t len)
                                 * call to read(2).
                                 */
                                poll(&pfd, 1, -1);
+                               continue;
                        }
                }
                return nr;
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