Contents

/* 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. */

#include "internal.h"

#include <stdlib.h>

#include <openssl/type_check.h>


#if !defined(OPENSSL_C11_ATOMIC)

OPENSSL_COMPILE_ASSERT((CRYPTO_refcount_t)-1 == CRYPTO_REFCOUNT_MAX,
                       CRYPTO_REFCOUNT_MAX_is_incorrect);

static struct CRYPTO_STATIC_MUTEX g_refcount_lock = CRYPTO_STATIC_MUTEX_INIT;

void CRYPTO_refcount_inc(CRYPTO_refcount_t *count) {
  CRYPTO_STATIC_MUTEX_lock_write(&g_refcount_lock);
  if (*count < CRYPTO_REFCOUNT_MAX) {
    (*count)++;
  }
  CRYPTO_STATIC_MUTEX_unlock_write(&g_refcount_lock);
}

int CRYPTO_refcount_dec_and_test_zero(CRYPTO_refcount_t *count) {
  int ret;

  CRYPTO_STATIC_MUTEX_lock_write(&g_refcount_lock);
  if (*count == 0) {
    abort();
  }
  if (*count < CRYPTO_REFCOUNT_MAX) {
    (*count)--;
  }
  ret = (*count == 0);
  CRYPTO_STATIC_MUTEX_unlock_write(&g_refcount_lock);

  return ret;
}

#endif  /* OPENSSL_C11_ATOMIC */

Version data entries

71 entries across 71 versions & 2 rubygems

Version	Path
grpc-1.9.1-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.1	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.7-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.7	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.6-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.6	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre3-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre3	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre2-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre2	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre1-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.9.0.pre1	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.3-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.3	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.0-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.8.0	third_party/boringssl/crypto/refcount_lock.c
grpc-1.7.3-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.7.3	third_party/boringssl/crypto/refcount_lock.c
grpc-1.7.2-x86_64-linux	third_party/boringssl/crypto/refcount_lock.c
grpc-1.7.2	third_party/boringssl/crypto/refcount_lock.c