1/* Licensed to the Apache Software Foundation (ASF) under one or more
2 * contributor license agreements.  See the NOTICE file distributed with
3 * this work for additional information regarding copyright ownership.
4 * The ASF licenses this file to You under the Apache License, Version 2.0
5 * (the "License"); you may not use this file except in compliance with
6 * the License.  You may obtain a copy of the License at
7 *
8 *     http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include "apr.h"
18#include "apr_general.h"
19#include "apr_pools.h"
20#include "apr_signal.h"
21#include "apr_atomic.h"
22
23#include "apr_arch_proc_mutex.h" /* for apr_proc_mutex_unix_setup_lock() */
24#include "apr_arch_internal_time.h"
25
26
27APR_DECLARE(apr_status_t) apr_app_initialize(int *argc,
28                                             const char * const * *argv,
29                                             const char * const * *env)
30{
31    /* An absolute noop.  At present, only Win32 requires this stub, but it's
32     * required in order to move command arguments passed through the service
33     * control manager into the process, and it's required to fix the char*
34     * data passed in from win32 unicode into utf-8, win32's apr internal fmt.
35     */
36    return apr_initialize();
37}
38
39static int initialized = 0;
40
41APR_DECLARE(apr_status_t) apr_initialize(void)
42{
43    apr_pool_t *pool;
44    apr_status_t status;
45
46    if (initialized++) {
47        return APR_SUCCESS;
48    }
49
50#if !defined(BEOS) && !defined(OS2)
51    apr_proc_mutex_unix_setup_lock();
52    apr_unix_setup_time();
53#endif
54
55    if ((status = apr_pool_initialize()) != APR_SUCCESS)
56        return status;
57
58    if (apr_pool_create(&pool, NULL) != APR_SUCCESS) {
59        return APR_ENOPOOL;
60    }
61
62    apr_pool_tag(pool, "apr_initialize");
63
64    /* apr_atomic_init() used to be called from here aswell.
65     * Pools rely on mutexes though, which can be backed by
66     * atomics.  Due to this circular dependency
67     * apr_pool_initialize() is taking care of calling
68     * apr_atomic_init() at the correct time.
69     */
70
71    apr_signal_init(pool);
72
73    return APR_SUCCESS;
74}
75
76APR_DECLARE_NONSTD(void) apr_terminate(void)
77{
78    initialized--;
79    if (initialized) {
80        return;
81    }
82    apr_pool_terminate();
83
84}
85
86APR_DECLARE(void) apr_terminate2(void)
87{
88    apr_terminate();
89}
90