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/******************************************************************************
*
* Copyright 2015 Google, Inc.
*
* 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.
*
******************************************************************************/
#pragma once
#include <hardware/bluetooth.h>
#include <stdbool.h>
// Set the Bluetooth OS callouts to |callouts|.
// This function should be called when native kernel wakelocks are not used
// directly. If this function is not called, or |callouts| is NULL, then native
// kernel wakelocks will be used.
void wakelock_set_os_callouts(bt_os_callouts_t* callouts);
// Acquire the Bluetooth wakelock.
// The function is thread safe.
// Return true on success, otherwise false.
bool wakelock_acquire(void);
// Release the Bluetooth wakelock.
// The function is thread safe.
// Return true on success, otherwise false.
bool wakelock_release(void);
// Cleanup the wakelock internal state.
// This function should be called by the OSI module cleanup during
// graceful shutdown.
void wakelock_cleanup(void);
// This function should not need to be called normally.
// /sys/power/wake_{|un}lock are used by default.
// This is not guaranteed to have any effect after an alarm has been
// set with alarm_set.
// If |lock_path| or |unlock_path| are NULL, that path is not changed.
void wakelock_set_paths(const char* lock_path, const char* unlock_path);
// Dump wakelock-related debug info to the |fd| file descriptor.
// The caller is responsible for closing the |fd|.
void wakelock_debug_dump(int fd);