Adding upstream version 1.7.2.upstream/1.7.2upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 236 insertions, 0 deletions

diff --git a/file_io/os2/pipe.c b/file_io/os2/pipe.c
new file mode 100644
index 0000000..14f2b1a
--- /dev/null
+++ b/file_io/os2/pipe.c
@@ -0,0 +1,236 @@
+/* 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.
+ */
+
+#define INCL_DOSERRORS
+#include "apr_arch_file_io.h"
+#include "apr_file_io.h"
+#include "apr_general.h"
+#include "apr_lib.h"
+#include "apr_strings.h"
+#include "apr_portable.h"
+#include <string.h>
+#include <process.h>
+
+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)
+{
+    ULONG filedes[2];
+    ULONG rc, action;
+    static int id = 0;
+    char pipename[50];
+
+    sprintf(pipename, "/pipe/%d.%d", getpid(), id++);
+    rc = DosCreateNPipe(pipename, filedes, NP_ACCESS_INBOUND, NP_NOWAIT|1, 4096, 4096, 0);
+
+    if (rc)
+        return APR_FROM_OS_ERROR(rc);
+
+    rc = DosConnectNPipe(filedes[0]);
+
+    if (rc && rc != ERROR_PIPE_NOT_CONNECTED) {
+        DosClose(filedes[0]);
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    rc = DosOpen (pipename, filedes+1, &action, 0, FILE_NORMAL,
+                  OPEN_ACTION_OPEN_IF_EXISTS | OPEN_ACTION_FAIL_IF_NEW,
+                  OPEN_ACCESS_WRITEONLY | OPEN_SHARE_DENYREADWRITE,
+                  NULL);
+
+    if (rc) {
+        DosClose(filedes[0]);
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    (*in) = (apr_file_t *)apr_palloc(pool_in, sizeof(apr_file_t));
+    rc = DosCreateEventSem(NULL, &(*in)->pipeSem, DC_SEM_SHARED, FALSE);
+
+    if (rc) {
+        DosClose(filedes[0]);
+        DosClose(filedes[1]);
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    rc = DosSetNPipeSem(filedes[0], (HSEM)(*in)->pipeSem, 1);
+
+    if (!rc) {
+        rc = DosSetNPHState(filedes[0], NP_WAIT);
+    }
+
+    if (rc) {
+        DosClose(filedes[0]);
+        DosClose(filedes[1]);
+        DosCloseEventSem((*in)->pipeSem);
+        return APR_FROM_OS_ERROR(rc);
+    }
+
+    (*in)->pool = pool_in;
+    (*in)->filedes = filedes[0];
+    (*in)->fname = apr_pstrdup(pool_in, pipename);
+    (*in)->isopen = TRUE;
+    (*in)->buffered = FALSE;
+    (*in)->flags = 0;
+    (*in)->pipe = 1;
+    (*in)->timeout = -1;
+    (*in)->blocking = BLK_ON;
+    apr_pool_cleanup_register(pool_in, *in, apr_file_cleanup,
+            apr_pool_cleanup_null);
+
+    (*out) = (apr_file_t *)apr_palloc(pool_out, sizeof(apr_file_t));
+    (*out)->pool = pool_out;
+    (*out)->filedes = filedes[1];
+    (*out)->fname = apr_pstrdup(pool_out, pipename);
+    (*out)->isopen = TRUE;
+    (*out)->buffered = FALSE;
+    (*out)->flags = 0;
+    (*out)->pipe = 1;
+    (*out)->timeout = -1;
+    (*out)->blocking = BLK_ON;
+    apr_pool_cleanup_register(pool_out, *out, apr_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)
+{
+    /* Not yet implemented, interface not suitable */
+    return APR_ENOTIMPL;
+} 
+
+ 
+
+APR_DECLARE(apr_status_t) apr_file_pipe_timeout_set(apr_file_t *thepipe, apr_interval_time_t timeout)
+{
+    if (thepipe->pipe == 1) {
+        thepipe->timeout = timeout;
+
+        if (thepipe->timeout >= 0) {
+            if (thepipe->blocking != BLK_OFF) {
+                thepipe->blocking = BLK_OFF;
+                return APR_FROM_OS_ERROR(DosSetNPHState(thepipe->filedes, NP_NOWAIT));
+            }
+        }
+        else if (thepipe->timeout == -1) {
+            if (thepipe->blocking != BLK_ON) {
+                thepipe->blocking = BLK_ON;
+                return APR_FROM_OS_ERROR(DosSetNPHState(thepipe->filedes, NP_WAIT));
+            }
+        }
+    }
+    return APR_EINVAL;
+}
+
+
+
+APR_DECLARE(apr_status_t) apr_file_pipe_timeout_get(apr_file_t *thepipe, apr_interval_time_t *timeout)
+{
+    if (thepipe->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)
+{
+    (*file) = apr_pcalloc(pool, sizeof(apr_file_t));
+    (*file)->pool = pool;
+    (*file)->isopen = TRUE;
+    (*file)->pipe = 1;
+    (*file)->blocking = BLK_UNKNOWN; /* app needs to make a timeout call */
+    (*file)->timeout = -1;
+    (*file)->filedes = *thefile;
+
+    if (register_cleanup) {
+        apr_pool_cleanup_register(pool, *file, apr_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);
+}