1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
|
/* 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 <stdio.h>
#include <nks/fsio.h>
#include <nks/errno.h>
#include "apr_arch_file_io.h"
#include "apr_strings.h"
#include "apr_portable.h"
#include "apr_arch_inherit.h"
static apr_status_t pipeblock(apr_file_t *thepipe)
{
#ifdef USE_FLAGS
int err;
unsigned long flags;
if (fcntl(thepipe->filedes, F_GETFL, &flags) != -1)
{
flags &= ~FNDELAY;
fcntl(thepipe->filedes, F_SETFL, flags);
}
#else
errno = 0;
fcntl(thepipe->filedes, F_SETFL, 0);
#endif
if (errno)
return errno;
thepipe->blocking = BLK_ON;
return APR_SUCCESS;
}
static apr_status_t pipenonblock(apr_file_t *thepipe)
{
#ifdef USE_FLAGS
int err;
unsigned long flags;
errno = 0;
if (fcntl(thepipe->filedes, F_GETFL, &flags) != -1)
{
flags |= FNDELAY;
fcntl(thepipe->filedes, F_SETFL, flags);
}
#else
errno = 0;
fcntl(thepipe->filedes, F_SETFL, FNDELAY);
#endif
if (errno)
return errno;
thepipe->blocking = BLK_OFF;
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_set(apr_file_t *thepipe, apr_interval_time_t timeout)
{
if (thepipe->is_pipe == 1) {
thepipe->timeout = timeout;
if (timeout >= 0) {
if (thepipe->blocking != BLK_OFF) { /* blocking or unknown state */
return pipenonblock(thepipe);
}
}
else {
if (thepipe->blocking != BLK_ON) { /* non-blocking or unknown state */
return pipeblock(thepipe);
}
}
return APR_SUCCESS;
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_file_pipe_timeout_get(apr_file_t *thepipe, apr_interval_time_t *timeout)
{
if (thepipe->is_pipe == 1) {
*timeout = thepipe->timeout;
return APR_SUCCESS;
}
return APR_EINVAL;
}
APR_DECLARE(apr_status_t) apr_os_pipe_put_ex(apr_file_t **file,
apr_os_file_t *thefile,
int register_cleanup,
apr_pool_t *pool)
{
int *dafile = thefile;
(*file) = apr_pcalloc(pool, sizeof(apr_file_t));
(*file)->pool = pool;
(*file)->eof_hit = 0;
(*file)->is_pipe = 1;
(*file)->blocking = BLK_UNKNOWN; /* app needs to make a timeout call */
(*file)->timeout = -1;
(*file)->ungetchar = -1; /* no char avail */
(*file)->filedes = *dafile;
if (!register_cleanup) {
(*file)->flags = APR_FILE_NOCLEANUP;
}
(*file)->buffered = 0;
#if APR_HAS_THREADS
(*file)->thlock = NULL;
#endif
if (register_cleanup) {
apr_pool_cleanup_register((*file)->pool, (void *)(*file),
apr_unix_file_cleanup,
apr_pool_cleanup_null);
}
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_os_pipe_put(apr_file_t **file,
apr_os_file_t *thefile,
apr_pool_t *pool)
{
return apr_os_pipe_put_ex(file, thefile, 0, pool);
}
APR_DECLARE(apr_status_t) apr_file_pipe_create(apr_file_t **in, apr_file_t **out, apr_pool_t *pool)
{
int filedes[2];
int err;
if (pipe(filedes) == -1) {
return errno;
}
(*in) = (apr_file_t *)apr_pcalloc(pool, sizeof(apr_file_t));
(*out) = (apr_file_t *)apr_pcalloc(pool, sizeof(apr_file_t));
(*in)->pool =
(*out)->pool = pool;
(*in)->filedes = filedes[0];
(*out)->filedes = filedes[1];
(*in)->flags = APR_INHERIT;
(*out)->flags = APR_INHERIT;
(*in)->is_pipe =
(*out)->is_pipe = 1;
(*out)->fname =
(*in)->fname = NULL;
(*in)->buffered =
(*out)->buffered = 0;
(*in)->blocking =
(*out)->blocking = BLK_ON;
(*in)->timeout =
(*out)->timeout = -1;
(*in)->ungetchar = -1;
(*in)->thlock =
(*out)->thlock = NULL;
(void) apr_pollset_create(&(*in)->pollset, 1, pool, 0);
(void) apr_pollset_create(&(*out)->pollset, 1, pool, 0);
apr_pool_cleanup_register((*in)->pool, (void *)(*in), apr_unix_file_cleanup,
apr_pool_cleanup_null);
apr_pool_cleanup_register((*out)->pool, (void *)(*out), apr_unix_file_cleanup,
apr_pool_cleanup_null);
return APR_SUCCESS;
}
APR_DECLARE(apr_status_t) apr_file_namedpipe_create(const char *filename,
apr_fileperms_t perm, apr_pool_t *pool)
{
return APR_ENOTIMPL;
}
|
