1 /******************************************************************************/
2 /* postlicyd: a postfix policy daemon with a lot of features */
4 /* ________________________________________________________________________ */
6 /* Redistribution and use in source and binary forms, with or without */
7 /* modification, are permitted provided that the following conditions */
10 /* 1. Redistributions of source code must retain the above copyright */
11 /* notice, this list of conditions and the following disclaimer. */
12 /* 2. Redistributions in binary form must reproduce the above copyright */
13 /* notice, this list of conditions and the following disclaimer in the */
14 /* documentation and/or other materials provided with the distribution. */
15 /* 3. The names of its contributors may not be used to endorse or promote */
16 /* products derived from this software without specific prior written */
19 /* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND */
20 /* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE */
21 /* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR */
22 /* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS */
23 /* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR */
24 /* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF */
25 /* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS */
26 /* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN */
27 /* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) */
28 /* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF */
29 /* THE POSSIBILITY OF SUCH DAMAGE. */
30 /******************************************************************************/
33 * Copyright © 2007 Pierre Habouzit
38 #include <sys/epoll.h>
39 #include <sys/socket.h>
40 #include <sys/types.h>
44 # include <linux/poll.h>
46 # define EPOLLRDHUP POLLRDHUP
57 static void job_wipe(job_t *job)
64 DO_DELETE(job_t, job);
66 void job_release(job_t **job)
76 static job_t *job_register_fd(job_t *job)
78 struct epoll_event event = { .data.ptr = job, .events = EPOLLRDHUP };
80 if (job->state & JOB_READ || job->state & JOB_LISTEN) {
81 event.events |= EPOLLIN;
84 if (job->state & JOB_WRITE || job->state & JOB_CONN) {
85 event.events |= EPOLLIN;
88 if (epoll_ctl(epollfd, EPOLL_CTL_ADD, job->fd, &event) < 0) {
96 void job_update_events(job_t *job)
98 struct epoll_event event = { .data.ptr = job, .events = EPOLLRDHUP };
100 if (job->state & JOB_READ || job->state & JOB_LISTEN) {
101 event.events |= EPOLLIN;
104 if (job->state & JOB_WRITE || job->state & JOB_CONN) {
105 event.events |= EPOLLIN;
108 epoll_ctl(epollfd, EPOLL_CTL_MOD, job->fd, &event);
111 job_t *job_accept(job_t *listener, int state)
116 if ((sock = accept(listener->fd, NULL, 0)) < 0) {
120 if (fcntl(sock, F_SETFL, fcntl(sock, F_GETFL) | O_NONBLOCK)) {
127 res->process = listener->process;
128 res->stop = listener->stop;
129 return job_register_fd(res);