/*
* destroy_async_data() cleans up async resolver data and thread handle.
*/
static void destroy_async_data (struct Curl_async *async)
{
if(async->os_specific) {
struct thread_data *td = (struct thread_data*) async->os_specific;
int done;
/*
* if the thread is still blocking in the resolve syscall, detach it and
* let the thread do the cleanup...
*/
Curl_mutex_acquire(td->tsd.mtx);
done = td->tsd.done;
td->tsd.done = 1;
Curl_mutex_release(td->tsd.mtx);
if(!done) {
Curl_thread_destroy(td->thread_hnd);
}
else {
if(td->thread_hnd != curl_thread_t_null)
Curl_thread_join(&td->thread_hnd);
destroy_thread_sync_data(&td->tsd);
free(async->os_specific);
}
}
async->os_specific = NULL;
free(async->hostname);
async->hostname = NULL;
}
int Curl_thread_join(curl_thread_t *hnd)
{
int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
Curl_thread_destroy(*hnd);
*hnd = curl_thread_t_null;
return ret;
}
int Curl_thread_join(curl_thread_t *hnd)
{
#if !defined(_WIN32_WINNT) || !defined(_WIN32_WINNT_VISTA) || \
(_WIN32_WINNT < _WIN32_WINNT_VISTA)
int ret = (WaitForSingleObject(*hnd, INFINITE) == WAIT_OBJECT_0);
#else
int ret = (WaitForSingleObjectEx(*hnd, INFINITE, FALSE) == WAIT_OBJECT_0);
#endif
Curl_thread_destroy(*hnd);
*hnd = curl_thread_t_null;
return ret;
}