Wait for init shm reply to be consumed before sending fd over the
socket.
Change-Id: I5cd0246d8debcc3c8a163b7e2dd400ca0050a2fb
Signed-off-by: Florin Coras <fcoras@cisco.com>
clib_file_t *cf;
vl_api_shm_elem_config_t *config = 0;
vl_shmem_hdr_t *shmem_hdr;
- int rv;
+ int rv, tries = 1000;
regp = vl_api_client_index_to_registration (mp->client_index);
if (regp == 0)
/* Send the magic "here's your sign (aka fd)" socket message */
cf = vl_api_registration_file (regp);
+
+ /* Wait for reply to be consumed before sending the fd */
+ while (tries-- > 0)
+ {
+ int bytes;
+ rv = ioctl (cf->file_descriptor, TIOCOUTQ, &bytes);
+ if (rv < 0)
+ {
+ clib_unix_warning ("ioctl returned");
+ break;
+ }
+ if (bytes == 0)
+ break;
+ usleep (1e3);
+ }
+
vl_sock_api_send_fd_msg (cf->file_descriptor, &memfd->fd, 1);
}