参考代码

components/system/include/os/os_semaphore.h

@@ -0,0 +1,41 @@
+/**
+ * @file os_semaphore.h
+ * @author LokLiang (lokliang@163.com)
+ * @brief
+ * @version 0.1
+ * @date 2023-05-01
+ *
+ * @copyright Copyright (c) 2023
+ *
+ */
+
+#ifndef __OS_SEMAPHORE_H__
+#define __OS_SEMAPHORE_H__
+
+#include "os/os_common.h"
+
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+typedef os_handle_t os_sem_handle_t;
+
+typedef struct
+{
+    os_sem_handle_t handle;
+} os_sem_t;
+
+os_state os_sem_create(os_sem_t *sem, size_t init_value, size_t max_value);
+os_state os_sem_delete(os_sem_t *sem);
+
+os_state os_sem_take(os_sem_t *sem, os_time_t wait_ms);
+os_state os_sem_release(os_sem_t *sem);
+
+bool os_sem_is_valid(os_sem_t *sem);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __OS_SEMAPHORE_H__ */