Annotation of src/usr.bin/tmux/server-job.c, Revision 1.4
1.4 ! nicm 1: /* $OpenBSD: server-job.c,v 1.3 2009/11/01 23:20:37 nicm Exp $ */
1.1 nicm 2:
3: /*
4: * Copyright (c) 2009 Nicholas Marriott <nicm@users.sourceforge.net>
5: *
6: * Permission to use, copy, modify, and distribute this software for any
7: * purpose with or without fee is hereby granted, provided that the above
8: * copyright notice and this permission notice appear in all copies.
9: *
10: * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11: * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12: * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13: * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14: * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER
15: * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING
16: * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17: */
18:
19: #include <sys/types.h>
20:
1.4 ! nicm 21: #include <event.h>
1.1 nicm 22: #include <unistd.h>
23:
24: #include "tmux.h"
1.2 nicm 25:
26: /* Register jobs for poll. */
27: void
28: server_job_prepare(void)
29: {
30: struct job *job;
31:
32: SLIST_FOREACH(job, &all_jobs, lentry) {
33: if (job->fd == -1)
34: continue;
1.4 ! nicm 35: event_del(&job->event);
! 36: event_set(
! 37: &job->event, job->fd, EV_READ, server_job_callback, job);
! 38: event_add(&job->event, NULL);
1.2 nicm 39: }
40: }
1.1 nicm 41:
42: /* Process a single job event. */
43: void
1.4 ! nicm 44: server_job_callback(int fd, short events, void *data)
1.1 nicm 45: {
46: struct job *job = data;
47:
48: if (job->fd == -1)
49: return;
50:
51: if (buffer_poll(fd, events, job->out, NULL) != 0) {
52: close(job->fd);
53: job->fd = -1;
54: }
55: }
56:
57: /* Job functions that happen once a loop. */
58: void
59: server_job_loop(void)
60: {
61: struct job *job;
1.4 ! nicm 62:
1.1 nicm 63: restart:
64: SLIST_FOREACH(job, &all_jobs, lentry) {
65: if (job->flags & JOB_DONE || job->fd != -1 || job->pid != -1)
66: continue;
67: job->flags |= JOB_DONE;
68:
69: if (job->callbackfn != NULL) {
70: job->callbackfn(job);
1.3 nicm 71: if ((!job->flags & JOB_PERSIST)) {
72: job_free(job);
73: goto restart;
74: }
1.1 nicm 75: }
76: }
77: }