chromium/third_party/libaom/source/libaom/aom_util/aom_thread.c

/*
 * Copyright (c) 2016, Alliance for Open Media. All rights reserved.
 *
 * This source code is subject to the terms of the BSD 2 Clause License and
 * the Alliance for Open Media Patent License 1.0. If the BSD 2 Clause License
 * was not distributed with this source code in the LICENSE file, you can
 * obtain it at www.aomedia.org/license/software. If the Alliance for Open
 * Media Patent License 1.0 was not distributed with this source code in the
 * PATENTS file, you can obtain it at www.aomedia.org/license/patent.
 */
//
// Multi-threaded worker
//
// Original source:
//  https://chromium.googlesource.com/webm/libwebp

// Enable GNU extensions in glibc so that we can call pthread_setname_np().
// This must be before any #include statements.
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif

#include <assert.h>
#include <string.h>  // for memset()

#include "config/aom_config.h"

#include "aom_mem/aom_mem.h"
#include "aom_ports/sanitizer.h"
#include "aom_util/aom_pthread.h"
#include "aom_util/aom_thread.h"

#if CONFIG_MULTITHREAD

struct AVxWorkerImpl { … };

//------------------------------------------------------------------------------

static void execute(AVxWorker *const worker);  // Forward declaration.

static THREADFN thread_loop(void *ptr) { … }

// main thread state control
static void change_state(AVxWorker *const worker, AVxWorkerStatus new_status) { … }

#endif  // CONFIG_MULTITHREAD

//------------------------------------------------------------------------------

static void init(AVxWorker *const worker) { … }

static int sync(AVxWorker *const worker) { … }

static int reset(AVxWorker *const worker) { … }

static void execute(AVxWorker *const worker) { … }

static void launch(AVxWorker *const worker) { … }

static void end(AVxWorker *const worker) { … }

//------------------------------------------------------------------------------

static AVxWorkerInterface g_worker_interface = …;

int aom_set_worker_interface(const AVxWorkerInterface *const winterface) { … }

const AVxWorkerInterface *aom_get_worker_interface(void) { … }

//------------------------------------------------------------------------------