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tests: avoid CreateThread if _beginthreadex is available

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CreateThread is not threadsafe if mixed with CRT calls.
_beginthreadex on the other hand can be mixed with CRT.

Reviewed-by: Marcel Raad
Closes #9705
This commit is contained in:
Marc Hoersken 2022-10-12 00:21:23 +02:00
parent 3f5a7975a5
commit 81094cb492
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GPG key ID: 61E03CBED7BC859E
3 changed files with 65 additions and 14 deletions
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29
tests/server/util.c
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@ -521,7 +521,11 @@ static SIGHANDLER_T old_sigbreak_handler = SIG_ERR;
#endif
#ifdef WIN32
#ifdef _WIN32_WCE
static DWORD thread_main_id = 0;
#else
static unsigned int thread_main_id = 0;
#endif
static HANDLE thread_main_window = NULL;
static HWND hidden_main_window = NULL;
#endif
@ -624,7 +628,12 @@ static LRESULT CALLBACK main_window_proc(HWND hwnd, UINT uMsg,
}
/* Window message queue loop for hidden main window, details see above.
*/
#ifdef _WIN32_WCE
static DWORD WINAPI main_window_loop(LPVOID lpParameter)
#else
#include <process.h>
static unsigned int WINAPI main_window_loop(void *lpParameter)
#endif
{
WNDCLASS wc;
BOOL ret;
@ -705,6 +714,14 @@ static SIGHANDLER_T set_signal(int signum, SIGHANDLER_T handler,
void install_signal_handlers(bool keep_sigalrm)
{
#ifdef WIN32
#ifdef _WIN32_WCE
typedef HANDLE curl_win_thread_handle_t;
#elif defined(__MINGW32__) && !defined(__MINGW64_VERSION_MAJOR)
typedef unsigned long curl_win_thread_handle_t;
#else
typedef uintptr_t curl_win_thread_handle_t;
#endif
curl_win_thread_handle_t thread;
/* setup windows exit event before any signal can trigger */
exit_event = CreateEvent(NULL, TRUE, FALSE, NULL);
if(!exit_event)
@ -753,10 +770,14 @@ void install_signal_handlers(bool keep_sigalrm)
#ifdef WIN32
if(!SetConsoleCtrlHandler(ctrl_event_handler, TRUE))
logmsg("cannot install CTRL event handler");
thread_main_window = CreateThread(NULL, 0,
&main_window_loop,
(LPVOID)GetModuleHandle(NULL),
0, &thread_main_id);
#ifdef _WIN32_WCE
thread = CreateThread(NULL, 0, &main_window_loop,
(LPVOID)GetModuleHandle(NULL), 0, &thread_main_id);
#else
thread = _beginthreadex(NULL, 0, &main_window_loop,
(void *)GetModuleHandle(NULL), 0, &thread_main_id);
#endif
thread_main_window = (HANDLE)thread;
if(!thread_main_window || !thread_main_id)
logmsg("cannot start main window loop");
#endif