建立工程，成功创建两个虚拟串口

source/OpenAMP/libmetal/lib/include/metal/mutex.h

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+/*
+ * Copyright (c) 2015, Xilinx Inc. and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/*
+ * @file	mutex.h
+ * @brief	Mutex primitives for libmetal.
+ */
+
+#ifndef __METAL_MUTEX__H__
+#define __METAL_MUTEX__H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/** \defgroup mutex Mutex Interfaces
+ *  @{ */
+
+#include <metal/system/generic/mutex.h>
+
+/**
+ * @brief	Initialize a libmetal mutex.
+ * @param[in]	mutex	Mutex to initialize.
+ */
+static inline void metal_mutex_init(metal_mutex_t *mutex)
+{
+	__metal_mutex_init(mutex);
+}
+
+/**
+ * @brief	Deinitialize a libmetal mutex.
+ * @param[in]	mutex	Mutex to deinitialize.
+ */
+static inline void metal_mutex_deinit(metal_mutex_t *mutex)
+{
+	__metal_mutex_deinit(mutex);
+}
+
+/**
+ * @brief	Try to acquire a mutex
+ * @param[in]	mutex	Mutex to mutex.
+ * @return	0 on failure to acquire, non-zero on success.
+ */
+static inline int metal_mutex_try_acquire(metal_mutex_t *mutex)
+{
+	return __metal_mutex_try_acquire(mutex);
+}
+
+/**
+ * @brief	Acquire a mutex
+ * @param[in]	mutex	Mutex to mutex.
+ */
+static inline void metal_mutex_acquire(metal_mutex_t *mutex)
+{
+	__metal_mutex_acquire(mutex);
+}
+
+/**
+ * @brief	Release a previously acquired mutex.
+ * @param[in]	mutex	Mutex to mutex.
+ * @see metal_mutex_try_acquire, metal_mutex_acquire
+ */
+static inline void metal_mutex_release(metal_mutex_t *mutex)
+{
+	__metal_mutex_release(mutex);
+}
+
+/**
+ * @brief	Checked if a mutex has been acquired.
+ * @param[in]	mutex	mutex to check.
+ * @see metal_mutex_try_acquire, metal_mutex_acquire
+ */
+static inline int metal_mutex_is_acquired(metal_mutex_t *mutex)
+{
+	return __metal_mutex_is_acquired(mutex);
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __METAL_MUTEX__H__ */