C++ (Cpp) IS_BLOCKING_ERROR Examples

Example #1

File: ma_pvio.c Project: renecannao/mariadb-connector-c

/* {{{ size_t ma_pvio_write_async */
static ssize_t ma_pvio_write_async(MARIADB_PVIO *pvio, const uchar *buffer, size_t length)
{
  ssize_t res;
  struct mysql_async_context *b= pvio->mysql->options.extension->async_context;
  int timeout= pvio->timeout[PVIO_WRITE_TIMEOUT];

  for (;;)
  {
    res= pvio->methods->async_write(pvio, buffer, length);
    if (res >= 0 || IS_BLOCKING_ERROR())
      return res;
    b->events_to_wait_for= MYSQL_WAIT_WRITE;
    if (timeout >= 0)
    {
      b->events_to_wait_for|= MYSQL_WAIT_TIMEOUT;
      b->timeout_value= timeout;
    }
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(TRUE, b->suspend_resume_hook_user_data);
    my_context_yield(&b->async_context);
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(FALSE, b->suspend_resume_hook_user_data);
    if (b->events_occured & MYSQL_WAIT_TIMEOUT)
      return -1;
  }
}

Example #2

File: mysql_async.c Project: cvicentiu/mariadb-10.0

ssize_t
my_send_async(struct mysql_async_context *b, int fd,
              const unsigned char *buf, size_t size, int timeout)
{
  ssize_t res;

  for (;;)
  {
    res= send(fd, buf, size, IF_WIN(0, MSG_DONTWAIT));
    if (res >= 0 || IS_BLOCKING_ERROR())
      return res;
    b->events_to_wait_for= MYSQL_WAIT_WRITE;
    if (timeout >= 0)
    {
      b->events_to_wait_for|= MYSQL_WAIT_TIMEOUT;
      b->timeout_value= timeout;
    }
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(TRUE, b->suspend_resume_hook_user_data);
    my_context_yield(&b->async_context);
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(FALSE, b->suspend_resume_hook_user_data);
    if (b->events_occurred & MYSQL_WAIT_TIMEOUT)
      return -1;
  }
}

Example #3

File: ma_pvio.c Project: renecannao/mariadb-connector-c

/* {{{ size_t ma_pvio_read_async */
static size_t ma_pvio_read_async(MARIADB_PVIO *pvio, uchar *buffer, size_t length)
{
  ssize_t res= 0;
  struct mysql_async_context *b= pvio->mysql->options.extension->async_context;
  int timeout= pvio->timeout[PVIO_READ_TIMEOUT];

  if (!pvio->methods->async_read)
  {
    PVIO_SET_ERROR(pvio->mysql, CR_ASYNC_NOT_SUPPORTED, unknown_sqlstate, 0);
    return -1;
  }

  for (;;)
  {
    if (pvio->methods->async_read)
      res= pvio->methods->async_read(pvio, buffer, length);
    if (res >= 0 || IS_BLOCKING_ERROR())
      return res;
    b->events_to_wait_for= MYSQL_WAIT_READ;
    if (timeout >= 0)
    {
      b->events_to_wait_for|= MYSQL_WAIT_TIMEOUT;
      b->timeout_value= timeout;
    }
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(TRUE, b->suspend_resume_hook_user_data);
    my_context_yield(&b->async_context);
    if (b->suspend_resume_hook)
      (*b->suspend_resume_hook)(FALSE, b->suspend_resume_hook_user_data);
    if (b->events_occured & MYSQL_WAIT_TIMEOUT)
      return -1;
  }
}