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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:23:09 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 06:23:09 +0000
commit30d479c28c831a0d4f1fdb54a9e346b0fc176be1 (patch)
treeaa35d7414ce9f1326abf6f723f6dfa5b0aa08b1d /file_io/netware/pipe.c
parentInitial commit. (diff)
downloadapr-30d479c28c831a0d4f1fdb54a9e346b0fc176be1.tar.xz
apr-30d479c28c831a0d4f1fdb54a9e346b0fc176be1.zip
Adding upstream version 1.7.2.upstream/1.7.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'file_io/netware/pipe.c')
-rw-r--r--file_io/netware/pipe.c239
1 files changed, 239 insertions, 0 deletions
diff --git a/file_io/netware/pipe.c b/file_io/netware/pipe.c
new file mode 100644
index 0000000..26e09d7
--- /dev/null
+++ b/file_io/netware/pipe.c
@@ -0,0 +1,239 @@
+/* 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
+ 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
+ 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_FOPEN_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);
+}
+
+static apr_status_t file_pipe_create(apr_file_t **in, apr_file_t **out,
+ apr_pool_t *pool_in, apr_pool_t *pool_out)
+{
+ int filedes[2];
+
+ if (pipe(filedes) == -1) {
+ return errno;
+ }
+
+ (*in) = (apr_file_t *)apr_pcalloc(pool_in, sizeof(apr_file_t));
+ (*out) = (apr_file_t *)apr_pcalloc(pool_out, sizeof(apr_file_t));
+
+ (*in)->pool = pool_in;
+ (*out)->pool = pool_out;
+ (*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_in, 0);
+ (void) apr_pollset_create(&(*out)->pollset, 1, pool_out, 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;
+}
+
+static void file_pipe_block(apr_file_t **in, apr_file_t **out,
+ apr_int32_t blocking)
+{
+ switch (blocking) {
+ case APR_FULL_BLOCK:
+ break;
+ case APR_READ_BLOCK:
+ apr_file_pipe_timeout_set(*out, 0);
+ break;
+ case APR_WRITE_BLOCK:
+ apr_file_pipe_timeout_set(*in, 0);
+ break;
+ default:
+ apr_file_pipe_timeout_set(*out, 0);
+ apr_file_pipe_timeout_set(*in, 0);
+ break;
+ }
+}
+
+APR_DECLARE(apr_status_t) apr_file_pipe_create(apr_file_t **in, apr_file_t **out, apr_pool_t *pool)
+{
+ return file_pipe_create(in, out, pool, pool);
+}
+
+APR_DECLARE(apr_status_t) apr_file_pipe_create_ex(apr_file_t **in,
+ apr_file_t **out,
+ apr_int32_t blocking,
+ apr_pool_t *pool)
+{
+ apr_status_t status;
+
+ if ((status = file_pipe_create(in, out, pool, pool)) != APR_SUCCESS) {
+ return status;
+ }
+
+ file_pipe_block(in, out, blocking);
+
+ return APR_SUCCESS;
+}
+
+APR_DECLARE(apr_status_t) apr_file_pipe_create_pools(apr_file_t **in,
+ apr_file_t **out, apr_int32_t blocking, apr_pool_t *pool_in, apr_pool_t *pool_out)
+{
+ apr_status_t status;
+
+ if ((status = file_pipe_create(in, out, pool_in, pool_out)) != APR_SUCCESS) {
+ return status;
+ }
+
+ file_pipe_block(in, out, blocking);
+
+ 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;
+}
+
+
+