fixed threading on native Windows

1 files changed, 40 insertions, 0 deletions

diff --git a/src/threads/threads.c b/src/threads/threads.c
index 79cf4ba..0c99697 100644
--- a/src/threads/threads.c
+++ b/src/threads/threads.c
@@ -66,4 +66,44 @@ wolf_error_t wolf_thread_join( wolf_thread_t *thread ) {
 
 #if defined _WIN32
 
+#include <errno.h>			/* for errno and EXXX values */
+
+wolf_error_t wolf_thread_create( wolf_thread_t *thread, wolf_thread_func_t func ) {
+	/* _beginthread doesn't signal termination. Unusable!,
+	 * CreateThread is for DLLs and surpasses CRT code, not good,
+	 * so we use _beginthreadex (this must be adapted if somebody
+	 * wants to write a DLL with these functions.. (see also POCO)
+	 */
+	*thread = _beginthreadex( NULL, 0, func, NULL, 0, NULL );
+	if( thread < 0 ) {
+		switch( errno ) {
+			case EINVAL:
+				return WOLF_ERR_INVALID_VALUE;
+
+			default:
+				return WOLF_ERR_INTERNAL;
+		}
+	}
+
+	return WOLF_OK;
+}
+
+wolf_error_t wolf_thread_join( wolf_thread_t *thread ) {
+	DWORD res;
+
+	res = WaitForSingleObject( (HANDLE)(*thread), INFINITE );
+	switch( res ) {
+		case WAIT_OBJECT_0:
+			/* the handle is neither cleaned up by the thread
+			 * exit code nor the _endthreadex function, so
+			 * we do it here!
+			 */
+			CloseHandle( (HANDLE)(*thread) );
+			return WOLF_OK;
+
+		default:
+			return WOLF_ERR_INTERNAL;
+	}
+}
+
 #endif /* defined _WIN32 */