---
libmultipath/uevent.c | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
Index: multipath-tools-130222/libmultipath/uevent.c
===================================================================
--- multipath-tools-130222.orig/libmultipath/uevent.c
+++ multipath-tools-130222/libmultipath/uevent.c
@@ -41,6 +41,7 @@
#include <sys/mman.h>
#include <libudev.h>
#include <errno.h>
+#include <poll.h>
#include "memory.h"
#include "debug.h"
@@ -460,6 +461,21 @@ int uevent_listen(struct udev *udev)
struct uevent *uev;
struct udev_device *dev;
struct udev_list_entry *list_entry;
+ struct pollfd ev_poll;
+ int fdcount;
+
+ memset(&ev_poll, 0, sizeof(struct pollfd));
+ ev_poll.fd = fd;
+ ev_poll.events = POLLIN;
+ errno = 0;
+ fdcount = poll(&ev_poll, 1, -1);
+ if (fdcount <= 0 || !(ev_poll.revents & POLLIN)) {
+ if (!errno || errno == EINTR)
+ continue;
+ condlog(0, "error receiving uevent message");
+ err = -errno;
+ break;
+ }
dev = udev_monitor_receive_device(monitor);
if (!dev) {