Lesson 35 - Get Compute Auth Token Working

Plugins/GameLiftPlugin/Source/AWSSDK/Include/aws/common/mutex.h

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+#ifndef AWS_COMMON_MUTEX_H
+#define AWS_COMMON_MUTEX_H
+
+/**
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ * SPDX-License-Identifier: Apache-2.0.
+ */
+
+#include <aws/common/common.h>
+#ifdef _WIN32
+/* NOTE: Do not use this macro before including windows.h */
+#    define AWSMUTEX_TO_WINDOWS(pMutex) (PSRWLOCK) & (pMutex)->mutex_handle
+#else
+#    include <pthread.h>
+#endif
+
+AWS_PUSH_SANE_WARNING_LEVEL
+
+struct aws_mutex {
+#ifdef _WIN32
+    void *mutex_handle;
+#else
+    pthread_mutex_t mutex_handle;
+#endif
+    bool initialized;
+};
+
+#ifdef _WIN32
+#    define AWS_MUTEX_INIT {.mutex_handle = NULL, .initialized = true}
+#else
+#    define AWS_MUTEX_INIT {.mutex_handle = PTHREAD_MUTEX_INITIALIZER, .initialized = true}
+#endif
+
+AWS_EXTERN_C_BEGIN
+
+/**
+ * Initializes a new platform instance of mutex.
+ */
+AWS_COMMON_API
+int aws_mutex_init(struct aws_mutex *mutex);
+
+/**
+ * Cleans up internal resources.
+ */
+AWS_COMMON_API
+void aws_mutex_clean_up(struct aws_mutex *mutex);
+
+/**
+ * Blocks until it acquires the lock. While on some platforms such as Windows,
+ * this may behave as a reentrant mutex, you should not treat it like one. On
+ * platforms it is possible for it to be non-reentrant, it will be.
+ */
+AWS_COMMON_API
+int aws_mutex_lock(struct aws_mutex *mutex);
+
+/**
+ * Attempts to acquire the lock but returns immediately if it can not.
+ * While on some platforms such as Windows, this may behave as a reentrant mutex,
+ * you should not treat it like one. On platforms it is possible for it to be non-reentrant, it will be.
+ * Note: For windows, minimum support server version is Windows Server 2008 R2 [desktop apps | UWP apps]
+ */
+AWS_COMMON_API
+int aws_mutex_try_lock(struct aws_mutex *mutex);
+
+/**
+ * Releases the lock.
+ */
+AWS_COMMON_API
+int aws_mutex_unlock(struct aws_mutex *mutex);
+
+AWS_EXTERN_C_END
+AWS_POP_SANE_WARNING_LEVEL
+
+#endif /* AWS_COMMON_MUTEX_H */