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📄 adler32.c(3.16 KB)
📄 atomic.c(7.23 KB)
📄 auth.c(32.4 KB)
📄 auth.h(6.1 KB)
📄 base64.c(19.18 KB)
📄 bit_array.c(6.26 KB)
📄 cache-inprocess.c(21.2 KB)
📄 cache-membuffer.c(116.43 KB)
📄 cache-memcache.c(17.35 KB)
📄 cache-null.c(4.35 KB)
📄 cache.c(10.22 KB)
📄 cache.h(4.03 KB)
📄 cache_config.c(6.01 KB)
📄 checksum.c(24.17 KB)
📄 checksum.h(2.32 KB)
📄 cmdline.c(58.99 KB)
📄 compat.c(5.28 KB)
📄 compress_lz4.c(4.51 KB)
📄 compress_zlib.c(6.85 KB)
📄 config.c(39.66 KB)
📄 config_auth.c(8.65 KB)
📄 config_file.c(70.25 KB)
📄 config_impl.h(6.15 KB)
📄 config_keys.inc(2.65 KB)
📄 config_win.c(9.61 KB)
📄 crypto.c(25.19 KB)
📄 crypto.h(5.43 KB)
📄 ctype.c(13.81 KB)
📄 date.c(12.86 KB)
📄 debug.c(3.77 KB)
📄 deprecated.c(64.3 KB)
📄 dirent_uri.c(80.17 KB)
📄 dirent_uri.h(1.43 KB)
📄 dso.c(3.74 KB)
📄 encode.c(2.69 KB)
📄 eol.c(2.79 KB)
📄 error.c(24.52 KB)
📄 errorcode.inc(4.27 KB)
📄 fnv1a.c(6.92 KB)
📄 fnv1a.h(3.04 KB)
📄 genctype.py(3.84 KB)
📄 gpg_agent.c(22.29 KB)
📄 hash.c(19.59 KB)
📄 internal_statements.h(1.87 KB)
📄 internal_statements.sql(1.58 KB)
📄 io.c(182.6 KB)
📄 iter.c(3.84 KB)
📄 libsvn_subr.pc.in(515 B)
📄 lock.c(1.69 KB)
📄 log.c(14 KB)
📁 lz4
📄 macos_keychain.c(9.7 KB)
📄 magic.c(5.25 KB)
📄 md5.c(1.8 KB)
📄 mergeinfo.c(89.24 KB)
📄 mutex.c(3.06 KB)
📄 nls.c(3.06 KB)
📄 object_pool.c(9.76 KB)
📄 opt.c(39.34 KB)
📄 opt.h(1.89 KB)
📄 packed_data.c(33.43 KB)
📄 path.c(35.99 KB)
📄 pool.c(4.35 KB)
📄 pools.h(1.45 KB)
📄 prefix_string.c(10.65 KB)
📄 prompt.c(28.82 KB)
📄 properties.c(13.59 KB)
📄 quoprint.c(8.96 KB)
📄 root_pools.c(3.15 KB)
📄 simple_providers.c(25.54 KB)
📄 skel.c(23.04 KB)
📄 sorts.c(15.9 KB)
📄 spillbuf.c(19.78 KB)
📄 sqlite.c(49.68 KB)
📄 sqlite3wrapper.c(3.16 KB)
📄 ssl_client_cert_providers.c(6.66 KB)
📄 ssl_client_cert_pw_providers.c(18.93 KB)
📄 ssl_server_trust_providers.c(7.77 KB)
📄 stream.c(65.69 KB)
📄 string.c(40.2 KB)
📄 subst.c(67.57 KB)
📄 sysinfo.c(43.67 KB)
📄 sysinfo.h(2.58 KB)
📄 target.c(11.58 KB)
📄 temp_serializer.c(14.02 KB)
📄 time.c(9.08 KB)
📄 token.c(2.58 KB)
📄 types.c(9.43 KB)
📄 user.c(2.66 KB)
📄 username_providers.c(9.2 KB)
📄 utf.c(40.38 KB)
📁 utf8proc
📄 utf8proc.c(20.71 KB)
📄 utf_validate.c(13.3 KB)
📄 utf_width.c(10.85 KB)
📄 validate.c(3.35 KB)
📄 version.c(9.89 KB)
📄 win32_crashrpt.c(25.06 KB)
📄 win32_crashrpt.h(1.35 KB)
📄 win32_crashrpt_dll.h(4 KB)
📄 win32_crypto.c(18.12 KB)
📄 win32_xlate.c(7.3 KB)
📄 win32_xlate.h(2.11 KB)
📄 x509.h(3.75 KB)
📄 x509info.c(9.53 KB)
📄 x509parse.c(35.77 KB)
📄 xml.c(20.01 KB)

Editing: root_pools.c

/*
 * root_pools.c :  Implement svn_root_pools__* API
 *
 * ====================================================================
 *    Licensed to the Apache Software Foundation (ASF) under one
 *    or more contributor license agreements.  See the NOTICE file
 *    distributed with this work for additional information
 *    regarding copyright ownership.  The ASF licenses this file
 *    to you 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.
 * ====================================================================
 */

#include "svn_pools.h"

#include "private/svn_subr_private.h"
#include "private/svn_mutex.h"

struct svn_root_pools__t
{
  /* unused pools.
   * Use MUTEX to serialize access to this collection.
   */
  apr_array_header_t *unused_pools;

/* Mutex to serialize access to UNUSED_POOLS */
  svn_mutex__t *mutex;

};

svn_error_t *
svn_root_pools__create(svn_root_pools__t **pools)
{
  /* the collection of root pools must be managed independently from
     any other pool */
  apr_pool_t *pool
    = apr_allocator_owner_get(svn_pool_create_allocator(FALSE));

/* construct result object */
  svn_root_pools__t *result = apr_pcalloc(pool, sizeof(*result));
  SVN_ERR(svn_mutex__init(&result->mutex, TRUE, pool));
  result->unused_pools = apr_array_make(pool, 16, sizeof(apr_pool_t *));

/* done */
  *pools = result;

return SVN_NO_ERROR;
}

/* Return a currently unused connection pool in *POOL. If no such pool
 * exists, create a new root pool and return that in *POOL.
 */
static svn_error_t *
acquire_pool_internal(apr_pool_t **pool,
                      svn_root_pools__t *pools)
{
  SVN_ERR(svn_mutex__lock(pools->mutex));
  *pool = pools->unused_pools->nelts
        ? *(apr_pool_t **)apr_array_pop(pools->unused_pools)
        : apr_allocator_owner_get(svn_pool_create_allocator(FALSE));
  SVN_ERR(svn_mutex__unlock(pools->mutex, SVN_NO_ERROR));

return SVN_NO_ERROR;
}

apr_pool_t *
svn_root_pools__acquire_pool(svn_root_pools__t *pools)
{
  apr_pool_t *pool;
  svn_error_t *err = acquire_pool_internal(&pool, pools);
  if (err)
    {
      /* Mutex failure?!  Well, try to continue with unrecycled data. */
      svn_error_clear(err);
      pool = apr_allocator_owner_get(svn_pool_create_allocator(FALSE));
    }

return pool;
}

void
svn_root_pools__release_pool(apr_pool_t *pool,
                             svn_root_pools__t *pools)
{
  svn_error_t *err;

svn_pool_clear(pool);

err = svn_mutex__lock(pools->mutex);
  if (err)
    {
      svn_error_clear(err);
      svn_pool_destroy(pool);
    }
  else
    {
      APR_ARRAY_PUSH(pools->unused_pools, apr_pool_t *) = pool;
      svn_error_clear(svn_mutex__unlock(pools->mutex, SVN_NO_ERROR));
    }
}

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Editing: root_pools.c

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