/*

 * Copyright (C) 2016 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.

 */

#pragma once

#include <stdatomic.h>

#include <sys/cdefs.h>

#include <log/log.h>

#include "uio.h"

__BEGIN_DECLS

struct logger_list {

  atomic_int fd;

  int mode;

  unsigned int tail;

  log_time start;

  pid_t pid;

  uint32_t log_mask;

};

// Format for a 'logger' entry: uintptr_t where only the bottom 32 bits are used.

// bit 31: Set if this 'logger' is for logd.

// bit 30: Set if this 'logger' is for pmsg

// bits 0-2: the decimal value of the log buffer.

// Other bits are unused.

#define LOGGER_LOGD (1U << 31)

#define LOGGER_PMSG (1U << 30)

#define LOGGER_LOG_ID_MASK ((1U << 3) - 1)

inline bool android_logger_is_logd(struct logger* logger) {

  return reinterpret_cast<uintptr_t>(logger) & LOGGER_LOGD;

}

__END_DECLS