Lesson 35 - Get Compute Auth Token Working

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

@@ -0,0 +1,71 @@
+#ifndef AWS_COMMON_RW_LOCK_H
+#define AWS_COMMON_RW_LOCK_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 AWSSRW_TO_WINDOWS(pCV) (PSRWLOCK) pCV
+#else
+#    include <pthread.h>
+#endif
+
+AWS_PUSH_SANE_WARNING_LEVEL
+
+struct aws_rw_lock {
+#ifdef _WIN32
+    void *lock_handle;
+#else
+    pthread_rwlock_t lock_handle;
+#endif
+};
+
+#ifdef _WIN32
+#    define AWS_RW_LOCK_INIT {.lock_handle = NULL}
+#else
+#    define AWS_RW_LOCK_INIT {.lock_handle = PTHREAD_RWLOCK_INITIALIZER}
+#endif
+
+AWS_EXTERN_C_BEGIN
+
+/**
+ * Initializes a new platform instance of mutex.
+ */
+AWS_COMMON_API int aws_rw_lock_init(struct aws_rw_lock *lock);
+
+/**
+ * Cleans up internal resources.
+ */
+AWS_COMMON_API void aws_rw_lock_clean_up(struct aws_rw_lock *lock);
+
+/**
+ * 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_rw_lock_rlock(struct aws_rw_lock *lock);
+AWS_COMMON_API int aws_rw_lock_wlock(struct aws_rw_lock *lock);
+
+/**
+ * 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_rw_lock_try_rlock(struct aws_rw_lock *lock);
+AWS_COMMON_API int aws_rw_lock_try_wlock(struct aws_rw_lock *lock);
+
+/**
+ * Releases the lock.
+ */
+AWS_COMMON_API int aws_rw_lock_runlock(struct aws_rw_lock *lock);
+AWS_COMMON_API int aws_rw_lock_wunlock(struct aws_rw_lock *lock);
+
+AWS_EXTERN_C_END
+AWS_POP_SANE_WARNING_LEVEL
+
+#endif /* AWS_COMMON_RW_LOCK_H */