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/* $OpenBSD: job.c,v 1.11 2015/02/09 22:35:08 deraadt Exp $ */
/* Copyright 1988,1990,1993,1994 by Paul Vixie
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 1997,2000 by Internet Software Consortium, Inc.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include "cron.h"
typedef struct _job {
struct _job *next;
entry *e;
user *u;
} job;
static job *jhead = NULL, *jtail = NULL;
void
job_add(entry *e, user *u)
{
job *j;
/* if already on queue, keep going */
for (j = jhead; j != NULL; j = j->next)
if (j->e == e && j->u == u)
return;
/* build a job queue element */
if ((j = malloc(sizeof(job))) == NULL)
return;
j->next = NULL;
j->e = e;
j->u = u;
/* add it to the tail */
if (jhead == NULL)
jhead = j;
else
jtail->next = j;
jtail = j;
}
int
job_runqueue(void)
{
job *j, *jn;
int run = 0;
for (j = jhead; j; j = jn) {
do_command(j->e, j->u);
jn = j->next;
free(j);
run++;
}
jhead = jtail = NULL;
return (run);
}
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