eventloop.c: apply patch from Jonas Bonn to retry read when failed with EINTR.

This can occur when libraw1394 caller receives a signal while in this read and
the caller is not using a signal handler set with signal().

1 files changed, 3 insertions, 2 deletions

diff --git a/src/eventloop.c b/src/eventloop.c
index 0ddd455..4a027b2 100644
--- a/src/eventloop.c
+++ b/src/eventloop.c
@@ -21,6 +21,7 @@
 #include <config.h>
 #include <unistd.h>
 #include <byteswap.h>
+#include <errno.h>
 
 #include "raw1394.h"
 #include "kernel-raw1394.h"
@@ -32,8 +33,8 @@ int raw1394_loop_iterate(struct raw1394_handle *handle)
         struct raw1394_request req;
         int retval = 0, channel;
 
-        if (read(handle->fd, &req, sizeof(req)) < 0) {
-                return -1;
+        while (read(handle->fd, &req, sizeof(req)) < 0) {
+                if (errno != EINTR) return -1;
         }
 
         switch (req.type) {