예제 #1
0
/*
 * init_resolve_thread() starts a new thread that performs the actual
 * resolve. This function returns before the resolve is done.
 *
 * Returns FALSE in case of failure, otherwise TRUE.
 */
static bool init_resolve_thread (struct connectdata *conn,
                                 const char *hostname, int port,
                                 const struct addrinfo *hints)
{
  struct thread_data *td = calloc(1, sizeof(struct thread_data));
  int err = ENOMEM;

  conn->async.os_specific = (void*) td;
  if(!td) 
    goto err_exit;

  conn->async.port = port;
  conn->async.done = FALSE;
  conn->async.status = 0;
  conn->async.dns = NULL;
  td->dummy_sock = CURL_SOCKET_BAD;
  td->thread_hnd = curl_thread_t_null;

  if (!init_thread_sync_data(&td->tsd, hostname, port, hints)) 
    goto err_exit;

  Curl_safefree(conn->async.hostname);
  conn->async.hostname = strdup(hostname);
  if(!conn->async.hostname)
    goto err_exit;

#ifdef WIN32
  /* This socket is only to keep Curl_resolv_fdset() and select() happy;
   * should never become signalled for read since it's unbound but
   * Windows needs at least 1 socket in select().
   */
  td->dummy_sock = socket(AF_INET, SOCK_DGRAM, 0);
  if (td->dummy_sock == CURL_SOCKET_BAD)
    goto err_exit;
#endif

#ifdef HAVE_GETADDRINFO
  td->thread_hnd = Curl_thread_create(getaddrinfo_thread, &td->tsd);
#else
  td->thread_hnd = Curl_thread_create(gethostbyname_thread, &td->tsd);
#endif

  if(!td->thread_hnd) {
#ifndef _WIN32_WCE
    err = errno;
#endif
    goto err_exit;
  }

  return TRUE;

 err_exit:
  Curl_destroy_thread_data(&conn->async);

  SET_ERRNO(err);

  return FALSE;
}
예제 #2
0
/*
 * init_resolve_thread() starts a new thread that performs the actual
 * resolve. This function returns before the resolve is done.
 *
 * Returns FALSE in case of failure, otherwise TRUE.
 */
static bool init_resolve_thread(struct connectdata *conn,
                                const char *hostname, int port,
                                const struct addrinfo *hints)
{
  struct thread_data *td = calloc(1, sizeof(struct thread_data));
  int err = ENOMEM;

  conn->async.os_specific = (void *)td;
  if(!td)
    goto errno_exit;

  conn->async.port = port;
  conn->async.done = FALSE;
  conn->async.status = 0;
  conn->async.dns = NULL;
  td->thread_hnd = curl_thread_t_null;

  if(!init_thread_sync_data(td, hostname, port, hints)) {
    conn->async.os_specific = NULL;
    free(td);
    goto errno_exit;
  }

  free(conn->async.hostname);
  conn->async.hostname = strdup(hostname);
  if(!conn->async.hostname)
    goto err_exit;

  /* The thread will set this to 1 when complete. */
  td->tsd.done = 0;

#ifdef HAVE_GETADDRINFO
  td->thread_hnd = Curl_thread_create(getaddrinfo_thread, &td->tsd);
#else
  td->thread_hnd = Curl_thread_create(gethostbyname_thread, &td->tsd);
#endif

  if(!td->thread_hnd) {
    /* The thread never started, so mark it as done here for proper cleanup. */
    td->tsd.done = 1;
    err = errno;
    goto err_exit;
  }

  return TRUE;

 err_exit:
  destroy_async_data(&conn->async);

 errno_exit:
  errno = err;
  return FALSE;
}
예제 #3
0
파일: asyn-thread.c 프로젝트: 2px/curl
/*
 * init_resolve_thread() starts a new thread that performs the actual
 * resolve. This function returns before the resolve is done.
 *
 * Returns FALSE in case of failure, otherwise TRUE.
 */
static bool init_resolve_thread (struct connectdata *conn,
                                 const char *hostname, int port,
                                 const struct addrinfo *hints)
{
  struct thread_data *td = calloc(1, sizeof(struct thread_data));
  int err = RESOLVER_ENOMEM;

  conn->async.os_specific = (void*) td;
  if(!td)
    goto err_exit;

  conn->async.port = port;
  conn->async.done = FALSE;
  conn->async.status = 0;
  conn->async.dns = NULL;
  td->thread_hnd = curl_thread_t_null;

  if(!init_thread_sync_data(td, hostname, port, hints))
    goto err_exit;

  free(conn->async.hostname);
  conn->async.hostname = strdup(hostname);
  if(!conn->async.hostname)
    goto err_exit;

#ifdef HAVE_GETADDRINFO
  td->thread_hnd = Curl_thread_create(getaddrinfo_thread, &td->tsd);
#else
  td->thread_hnd = Curl_thread_create(gethostbyname_thread, &td->tsd);
#endif

  if(!td->thread_hnd) {
#ifndef _WIN32_WCE
    err = errno;
#endif
    goto err_exit;
  }

  return TRUE;

 err_exit:
  destroy_async_data(&conn->async);

  SET_ERRNO(err);

  return FALSE;
}