diff options
Diffstat (limited to 'rubbos/app/httpd-2.0.64/srclib/apr/poll/unix/pollacc.c')
| -rw-r--r-- | rubbos/app/httpd-2.0.64/srclib/apr/poll/unix/pollacc.c | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/rubbos/app/httpd-2.0.64/srclib/apr/poll/unix/pollacc.c b/rubbos/app/httpd-2.0.64/srclib/apr/poll/unix/pollacc.c new file mode 100644 index 00000000..3b1e3eb8 --- /dev/null +++ b/rubbos/app/httpd-2.0.64/srclib/apr/poll/unix/pollacc.c @@ -0,0 +1,152 @@ +/* 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 "apr.h" +#include "apr_poll.h" +#include "apr_arch_networkio.h" +#include "apr_arch_file_io.h" +#if HAVE_POLL_H +#include <poll.h> +#endif +#if HAVE_SYS_POLL_H +#include <sys/poll.h> +#endif + +APR_DECLARE(apr_status_t) apr_poll_setup(apr_pollfd_t **new, apr_int32_t num, apr_pool_t *cont) +{ + (*new) = (apr_pollfd_t *)apr_pcalloc(cont, sizeof(apr_pollfd_t) * (num + 1)); + if ((*new) == NULL) { + return APR_ENOMEM; + } + (*new)[num].desc_type = APR_POLL_LASTDESC; + (*new)[0].p = cont; + return APR_SUCCESS; +} + +static apr_pollfd_t *find_poll_sock(apr_pollfd_t *aprset, apr_socket_t *sock) +{ + apr_pollfd_t *curr = aprset; + + while (curr->desc.s != sock) { + if (curr->desc_type == APR_POLL_LASTDESC) { + return NULL; + } + curr++; + } + + return curr; +} + +APR_DECLARE(apr_status_t) apr_poll_socket_add(apr_pollfd_t *aprset, + apr_socket_t *sock, apr_int16_t event) +{ + apr_pollfd_t *curr = aprset; + + while (curr->desc_type != APR_NO_DESC) { + if (curr->desc_type == APR_POLL_LASTDESC) { + return APR_ENOMEM; + } + curr++; + } + curr->desc.s = sock; + curr->desc_type = APR_POLL_SOCKET; + curr->reqevents = event; + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_poll_revents_get(apr_int16_t *event, apr_socket_t *sock, apr_pollfd_t *aprset) +{ + apr_pollfd_t *curr = find_poll_sock(aprset, sock); + if (curr == NULL) { + return APR_NOTFOUND; + } + + (*event) = curr->rtnevents; + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_poll_socket_mask(apr_pollfd_t *aprset, + apr_socket_t *sock, apr_int16_t events) +{ + apr_pollfd_t *curr = find_poll_sock(aprset, sock); + if (curr == NULL) { + return APR_NOTFOUND; + } + + if (curr->reqevents & events) { + curr->reqevents ^= events; + } + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_poll_socket_remove(apr_pollfd_t *aprset, apr_socket_t *sock) +{ + apr_pollfd_t *match = NULL; + apr_pollfd_t *curr; + + for (curr = aprset; (curr->desc_type != APR_POLL_LASTDESC) && + (curr->desc_type != APR_NO_DESC); curr++) { + if (curr->desc.s == sock) { + match = curr; + } + } + if (match == NULL) { + return APR_NOTFOUND; + } + + /* Remove this entry by swapping the last entry into its place. + * This ensures that the non-APR_NO_DESC entries are all at the + * start of the array, so that apr_poll() doesn't have to worry + * about invalid entries in the middle of the pollset. + */ + curr--; + if (curr != match) { + *match = *curr; + } + curr->desc_type = APR_NO_DESC; + + return APR_SUCCESS; +} + +APR_DECLARE(apr_status_t) apr_poll_socket_clear(apr_pollfd_t *aprset, apr_int16_t events) +{ + apr_pollfd_t *curr = aprset; + + while (curr->desc_type != APR_POLL_LASTDESC) { + if (curr->reqevents & events) { + curr->reqevents &= ~events; + } + curr++; + } + return APR_SUCCESS; +} + +#if APR_FILES_AS_SOCKETS +/* I'm not sure if this needs to return an apr_status_t or not, but + * for right now, we'll leave it this way, and change it later if + * necessary. + */ +APR_DECLARE(apr_status_t) apr_socket_from_file(apr_socket_t **newsock, apr_file_t *file) +{ + (*newsock) = apr_pcalloc(file->pool, sizeof(**newsock)); + (*newsock)->socketdes = file->filedes; + (*newsock)->cntxt = file->pool; + (*newsock)->timeout = file->timeout; + return APR_SUCCESS; +} +#endif |