添加 sleeper.c 模块

lc-soft · Aug 12, 2013 · 5488123 · 5488123
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diff --git a/include/LCUI/kernel/sleeper.h b/include/LCUI/kernel/sleeper.h
@@ -0,0 +1,67 @@
+/** ******************************************************************************
+ * @file	sleeper.h
+ * @brief	a sleep function, can be break
+ * @author	Liu Chao <lc-soft@live.cn>
+ * @warning
+ * Copyright (C) 2012-2013 by							\n
+ * Liu Chao									\n
+ * 										\n
+ * This file is part of the LCUI project, and may only be used, modified, and	\n
+ * distributed under the terms of the GPLv2.					\n
+ * 										\n
+ * (GPLv2 is abbreviation of GNU General Public License Version 2)		\n
+ * 										\n
+ * By continuing to use, modify, or distribute this file you indicate that you	\n
+ * have read the license and understand and accept it fully.			\n
+ *  										\n
+ * The LCUI project is distributed in the hope that it will be useful, but 	\n
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 	\n
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GPL v2 for more details.	\n
+ * 										\n
+ * You should have received a copy of the GPLv2 along with this file. It is 	\n
+ * usually in the LICENSE.TXT file, If not, see <http://www.gnu.org/licenses/>.	\n
+ * ******************************************************************************/
+
+/** ******************************************************************************
+ * @file	sleeper.h
+ * @brief	可被打断的睡眠功能
+ * @author	刘超 <lc-soft@live.cn>
+ * @warning
+ * 版权所有 (C) 2012-2013 归属于						\n
+ * 刘超										\n
+ * 										\n
+ * 这个文件是LCUI项目的一部分，并且只可以根据GPLv2许可协议来使用、更改和发布。	\n
+ * 										\n
+ * (GPLv2 是 GNU通用公共许可证第二版 的英文缩写)				\n
+ * 										\n
+ * 继续使用、修改或发布本文件，表明您已经阅读并完全理解和接受这个许可协议。	\n
+ * 										\n
+ * LCUI 项目是基于使用目的而加以散布的，但不负任何担保责任，甚至没有适销性或特定\n
+ * 用途的隐含担保，详情请参照GPLv2许可协议。					\n
+ * 										\n
+ * 您应已收到附随于本文件的GPLv2许可协议的副本，它通常在LICENSE.TXT文件中，如果	\n
+ * 没有，请查看：<http://www.gnu.org/licenses/>. 				\n
+ * ******************************************************************************/
+
+#ifndef __LC_KERNEL_SLEEPER_H__
+#define __LC_KERNEL_SLEEPER_H__
+
+LCUI_BEGIN_HEADER
+
+#ifdef LCUI_BUILD_IN_WIN32
+#include <windows.h>
+typedef HANDLE LCUI_Sleeper;
+#endif
+
+/** 新建一个睡眠者 */
+LCUI_Sleeper LCUISleeper_New(void);
+
+/** 让指定睡眠者睡一段时间 */
+unsigned int LCUISleeper_StartSleep( LCUI_Sleeper waiter, unsigned int ms );
+
+/** 打断目标睡眠者的睡眠 */
+int LCUISleeper_BreakSleep( LCUI_Sleeper waiter );
+
+LCUI_END_HEADER
+
+#endif
diff --git a/src/kernel/sleeper.c b/src/kernel/sleeper.c
@@ -0,0 +1,85 @@
+/** ******************************************************************************
+ * @file	sleeper.c
+ * @brief	a sleep function, can be break
+ * @author	Liu Chao <lc-soft@live.cn>
+ * @warning
+ * Copyright (C) 2012-2013 by							\n
+ * Liu Chao									\n
+ * 										\n
+ * This file is part of the LCUI project, and may only be used, modified, and	\n
+ * distributed under the terms of the GPLv2.					\n
+ * 										\n
+ * (GPLv2 is abbreviation of GNU General Public License Version 2)		\n
+ * 										\n
+ * By continuing to use, modify, or distribute this file you indicate that you	\n
+ * have read the license and understand and accept it fully.			\n
+ *  										\n
+ * The LCUI project is distributed in the hope that it will be useful, but 	\n
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 	\n
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GPL v2 for more details.	\n
+ * 										\n
+ * You should have received a copy of the GPLv2 along with this file. It is 	\n
+ * usually in the LICENSE.TXT file, If not, see <http://www.gnu.org/licenses/>.	\n
+ * ******************************************************************************/
+
+/** ******************************************************************************
+ * @file	sleeper.c
+ * @brief	可被打断的睡眠功能
+ * @author	刘超 <lc-soft@live.cn>
+ * @warning
+ * 版权所有 (C) 2012-2013 归属于						\n
+ * 刘超										\n
+ * 										\n
+ * 这个文件是LCUI项目的一部分，并且只可以根据GPLv2许可协议来使用、更改和发布。	\n
+ * 										\n
+ * (GPLv2 是 GNU通用公共许可证第二版 的英文缩写)				\n
+ * 										\n
+ * 继续使用、修改或发布本文件，表明您已经阅读并完全理解和接受这个许可协议。	\n
+ * 										\n
+ * LCUI 项目是基于使用目的而加以散布的，但不负任何担保责任，甚至没有适销性或特定\n
+ * 用途的隐含担保，详情请参照GPLv2许可协议。					\n
+ * 										\n
+ * 您应已收到附随于本文件的GPLv2许可协议的副本，它通常在LICENSE.TXT文件中，如果	\n
+ * 没有，请查看：<http://www.gnu.org/licenses/>. 				\n
+ * ******************************************************************************/
+
+#include <LCUI_Build.h>
+#include LC_LCUI_H
+
+/** 新建一个睡眠者 */
+LCUI_Sleeper LCUISleeper_New(void)
+{
+	/* 创建一个事件对象：
+	 * 使用默认安全符
+	 * 在事件被释放后，自动复原为无信号状态
+	 * 初始状态为无信号状态
+	 * 不指定名字，无名
+	 */
+	return CreateEvent( NULL, FALSE, FALSE, NULL );
+}
+
+/** 让指定睡眠者睡一段时间 */
+unsigned int LCUISleeper_StartSleep( LCUI_Sleeper waiter, unsigned int ms )
+{
+	int ret;
+	int64_t lost_time;
+	lost_time = LCUI_GetTickCount();
+	ret = WaitForSingleObject( waiter, ms );
+	lost_time = LCUI_GetTicks( lost_time );
+	switch( ret ) {
+	case WAIT_OBJECT_0: return (unsigned int)lost_time;
+	case WAIT_TIMEOUT: return ms;
+	case WAIT_FAILED: 
+	default: break;
+	}
+	return 0;
+}
+
+/** 打断目标睡眠者的睡眠 */
+int LCUISleeper_BreakSleep( LCUI_Sleeper waiter )
+{
+	if( SetEvent( waiter ) ) {
+		return 0;
+	}
+	return -1;
+}