added qse_mtx_trylock() and QSE::Mutex::trylock()

qse/include/qse/config.h.in

@@ -421,6 +421,9 @@
 /* pthreads has pthread_mutex_timedlock() */
 #undef HAVE_PTHREAD_MUTEX_TIMEDLOCK
 
+/* pthreads has pthread_mutex_trylock() */
+#undef HAVE_PTHREAD_MUTEX_TRYLOCK
+
 /* Have PTHREAD_PRIO_INHERIT. */
 #undef HAVE_PTHREAD_PRIO_INHERIT
 

qse/include/qse/si/Mutex.hpp

@@ -47,12 +47,6 @@ public:
 		qse_mtx_fini (&this->mtx);
 	}
 
-#if 0
-	bool tryock() QSE_CPP_NOEXCEPT
-	{
-	}
-#endif
-
 	void lock () QSE_CPP_NOEXCEPT
 	{
 		qse_mtx_lock (&this->mtx, QSE_NULL);
@@ -63,6 +57,11 @@ public:
 		qse_mtx_unlock (&this->mtx);
 	}
 
+	bool trylock () QSE_CPP_NOEXCEPT
+	{
+		return qse_mtx_trylock (&this->mtx) >= 0;
+	}
+
 protected:
 	qse_mtx_t mtx;
 };

qse/include/qse/si/mtx.h

@@ -127,6 +127,9 @@ QSE_EXPORT int qse_mtx_unlock (
 	qse_mtx_t*   mtx
 );
 
+QSE_EXPORT int qse_mtx_trylock (
+	qse_mtx_t* mtx
+);
 
 #ifdef __cplusplus
 }

qse/include/qse/sttp/Sttp.hpp

@@ -172,7 +172,7 @@ protected:
 	int put_char (qse_char_t ch) QSE_CPP_NOEXCEPT
 	{
 	#if defined(QSE_CHAR_IS_MCHAR)
-		return this->put_mchar(ch)
+		return this->put_mchar(ch);
 	#else
 		return this->put_wchar(ch);
 	#endif