Initial commit: TXW82x FPV v2.7.0.7-42229 SDK + project sources

ohos/kernel/liteos_m/kal/posix/include/poll_impl.h

@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _POLL_IMPL_H
+#define _POLL_IMPL_H
+
+#include "los_config.h"
+#include "los_list.h"
+#include "los_sem.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef UINT32 PollEvent;
+
+struct PollWaitQueue {
+    LOS_DL_LIST queue;
+};
+
+struct PollTable;
+struct PollWaitNode {
+    LOS_DL_LIST node;
+    struct PollTable *table;
+};
+
+struct PollTable {
+    struct PollWaitNode *node;
+    PollEvent event;
+    UINT32 sem;
+    BOOL addQueueFlag;
+};
+
+VOID PollWaitQueueInit(struct PollWaitQueue *waitQueue);
+VOID PollNotify(struct PollWaitQueue *waitQueue, PollEvent event);
+VOID PollWait(struct PollWaitQueue *waitQueue, struct PollTable *table);
+INT32 PollQueryFd(INT32 fd, struct PollTable *table);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _POLL_IMPL_H */