Fix detached migration with exec.
When trying to do detached migration with exec, I found that
the monitor wouldn't always return in a timely manner. I
tracked this down to exec_start_outgoing_migration. It
appeared we were setting the fd to NONBLOCK'ing, but in
point of fact we weren't.
This bugfix should also go onto the stable 0.10 branch
Signed-off-by: Chris Lalancette <[email protected]>
Signed-off-by: Anthony Liguori <[email protected]>
diff --git a/migration-exec.c b/migration-exec.c
index e3616be..ef4620f 100644
--- a/migration-exec.c
+++ b/migration-exec.c
@@ -73,10 +73,7 @@
goto err_after_open;
}
- if (fcntl(s->fd, F_SETFD, O_NONBLOCK) == -1) {
- dprintf("Unable to set nonblocking mode on file descriptor\n");
- goto err_after_open;
- }
+ socket_set_nonblock(s->fd);
s->opaque = qemu_popen(f, "w");