Merge commit '92aa5c6d77ac29574c1717bcf57827fa1e586f31' into upstream-merge

* commit '92aa5c6d77ac29574c1717bcf57827fa1e586f31': (43 commits)
  iostatus: move BlockdevOnError declaration to QAPI
  iostatus: rename BlockErrorAction, BlockQMPEventAction
  qemu-iotests: add test for pausing a streaming operation
  qmp: add block-job-pause and block-job-resume
  block: add support for job pause/resume
  qmp: add 'busy' member to BlockJobInfo
  block: add block_job_query
  block: move job APIs to separate files
  block: fix documentation of block_job_cancel_sync
  qerror/block: introduce QERR_BLOCK_JOB_NOT_ACTIVE
  qemu-iotests: add initial tests for live block commit
  QAPI: add command for live block commit, 'block-commit'
  block: helper function, to find the base image of a chain
  blockdev: rename block_stream_cb to a generic block_job_cb
  block: add live block commit functionality
  block: add support functions for live commit, to find and delete images.
  block: Support GlusterFS as a QEMU block backend.
  configure: Add a config option for GlusterFS as block backend
  aio: Another fix to the walking_handlers logic
  qemu: URI parsing library
  ...

Conflicts:
	blockdev.c

Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>

1 files changed, 9 insertions, 28 deletions

diff --git a/migration-tcp.c b/migration-tcp.c
index ac891c38a..a15c2b87a 100644
--- a/migration-tcp.c
+++ b/migration-tcp.c
@@ -53,54 +53,35 @@ static int tcp_close(MigrationState *s)
     return r;
 }
 
-static void tcp_wait_for_connect(void *opaque)
+static void tcp_wait_for_connect(int fd, void *opaque)
 {
     MigrationState *s = opaque;
-    int val, ret;
-    socklen_t valsize = sizeof(val);
 
-    DPRINTF("connect completed\n");
-    do {
-        ret = getsockopt(s->fd, SOL_SOCKET, SO_ERROR, (void *) &val, &valsize);
-    } while (ret == -1 && (socket_error()) == EINTR);
-
-    if (ret < 0) {
+    if (fd < 0) {
+        DPRINTF("migrate connect error\n");
+        s->fd = -1;
         migrate_fd_error(s);
-        return;
-    }
-
-    qemu_set_fd_handler2(s->fd, NULL, NULL, NULL, NULL);
-
-    if (val == 0)
+    } else {
+        DPRINTF("migrate connect success\n");
+        s->fd = fd;
         migrate_fd_connect(s);
-    else {
-        DPRINTF("error connecting %d\n", val);
-        migrate_fd_error(s);
     }
 }
 
 int tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
                                  Error **errp)
 {
-    bool in_progress;
-
     s->get_error = socket_errno;
     s->write = socket_write;
     s->close = tcp_close;
 
-    s->fd = inet_connect(host_port, false, &in_progress, errp);
+    s->fd = inet_nonblocking_connect(host_port, tcp_wait_for_connect, s,
+                                     errp);
     if (error_is_set(errp)) {
         migrate_fd_error(s);
         return -1;
     }
 
-    if (in_progress) {
-        DPRINTF("connect in progress\n");
-        qemu_set_fd_handler2(s->fd, NULL, NULL, tcp_wait_for_connect, s);
-    } else {
-        migrate_fd_connect(s);
-    }
-
     return 0;
 }