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Annotation of src/usr.bin/tmux/server-job.c, Revision 1.1

1.1     ! nicm        1: /* $OpenBSD: tmux.h,v 1.145 2009/10/21 20:11:47 nicm Exp $ */
        !             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:
        !            21: #include <unistd.h>
        !            22:
        !            23: #include "tmux.h"
        !            24:
        !            25: /* Process a single job event. */
        !            26: void
        !            27: server_job_callback(int fd, int events, void *data)
        !            28: {
        !            29:        struct job      *job = data;
        !            30:
        !            31:        if (job->fd == -1)
        !            32:                return;
        !            33:
        !            34:        if (buffer_poll(fd, events, job->out, NULL) != 0) {
        !            35:                close(job->fd);
        !            36:                job->fd = -1;
        !            37:        }
        !            38: }
        !            39:
        !            40: /* Job functions that happen once a loop. */
        !            41: void
        !            42: server_job_loop(void)
        !            43: {
        !            44:        struct job      *job;
        !            45:
        !            46: restart:
        !            47:        SLIST_FOREACH(job, &all_jobs, lentry) {
        !            48:                if (job->flags & JOB_DONE || job->fd != -1 || job->pid != -1)
        !            49:                        continue;
        !            50:                job->flags |= JOB_DONE;
        !            51:
        !            52:                if (job->callbackfn != NULL) {
        !            53:                        job->callbackfn(job);
        !            54:                        goto restart;   /* could be freed by callback */
        !            55:                }
        !            56:        }
        !            57: }