thread_pthread.c | Explore in Territory

/* Copyright (c) 2015, Google Inc.
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
 * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
 * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */

// Ensure we can't call OPENSSL_malloc circularly.
#define _BORINGSSL_PROHIBIT_OPENSSL_MALLOC
#include "internal.h"

#if defined(OPENSSL_PTHREADS)

#include <assert.h>
#include <pthread.h>
#include <stdlib.h>
#include <string.h>

void CRYPTO_MUTEX_init(CRYPTO_MUTEX *lock) { … }

void CRYPTO_MUTEX_lock_read(CRYPTO_MUTEX *lock) { … }

void CRYPTO_MUTEX_lock_write(CRYPTO_MUTEX *lock) { … }

void CRYPTO_MUTEX_unlock_read(CRYPTO_MUTEX *lock) { … }

void CRYPTO_MUTEX_unlock_write(CRYPTO_MUTEX *lock) { … }

void CRYPTO_MUTEX_cleanup(CRYPTO_MUTEX *lock) { … }

void CRYPTO_once(CRYPTO_once_t *once, void (*init)(void)) { … }

static pthread_mutex_t g_destructors_lock = …;
static thread_local_destructor_t g_destructors[NUM_OPENSSL_THREAD_LOCALS];

// thread_local_destructor is called when a thread exits. It releases thread
// local data for that thread only.
static void thread_local_destructor(void *arg) { … }

static pthread_once_t g_thread_local_init_once = …;
static pthread_key_t g_thread_local_key;
static int g_thread_local_key_created = …;

static void thread_local_init(void) { … }

void *CRYPTO_get_thread_local(thread_local_data_t index) { … }

int CRYPTO_set_thread_local(thread_local_data_t index, void *value,
                            thread_local_destructor_t destructor) { … }

#endif  // OPENSSL_PTHREADS
chromium/third_party/boringssl/src/crypto/thread_pthread.c
