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-rw-r--r--LoopbackApp/app/src/main/cpp/audio_utils/atomic.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/LoopbackApp/app/src/main/cpp/audio_utils/atomic.h b/LoopbackApp/app/src/main/cpp/audio_utils/atomic.h
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+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_AUDIO_ATOMIC_H
+#define ANDROID_AUDIO_ATOMIC_H
+
+#include <stdlib.h>
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int32_t android_atomic_acquire_load(volatile const int32_t* addr);
+void android_atomic_release_store(int32_t value, volatile int32_t* addr);
+
+// FIXME: use standard atomic library instead of these functions
+int32_t android_atomic_exchange(int32_t value, volatile const int32_t* addr);
+bool android_atomic_compare_exchange(int32_t* expect, int32_t desire, volatile const int32_t* addr);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // ANDROID_AUDIO_ATOMIC_H