/*
* Main loop for the CUPS scheduler.
*
- * Copyright 2007-2017 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ * Copyright © 2007-2019 by Apple Inc.
+ * Copyright © 1997-2007 by Easy Software Products, all rights reserved.
*
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law. Distribution and use rights are outlined in the file "LICENSE.txt"
- * "LICENSE" which should have been included with this file. If this
- * file is missing or damaged, see the license at "http://www.cups.org/".
+ * Licensed under Apache License v2.0. See the file "LICENSE" for more
+ * information.
*/
/*
#define _MAIN_C_
#include "cupsd.h"
#include <sys/resource.h>
+#ifdef __APPLE__
+# include <xpc/xpc.h>
+# include <pthread/qos.h>
+#endif /* __APPLE__ */
#ifdef HAVE_ASL_H
# include <asl.h>
#elif defined(HAVE_SYSTEMD_SD_JOURNAL_H)
static long select_timeout(int fds);
static void service_checkin(void);
static void service_checkout(int shutdown);
-static void usage(int status) __attribute__((noreturn));
+static void usage(int status) _CUPS_NORETURN;
/*
time_t netif_time = 0; /* Time since last network update */
#endif /* __APPLE__ */
#if defined(HAVE_ONDEMAND)
- int service_idle_exit;
+ int service_idle_exit = 0;
/* Idle exit on select timeout? */
#endif /* HAVE_ONDEMAND */
fg = 0;
-#ifdef HAVE_LAUNCHD
- if (getenv("CUPSD_LAUNCHD"))
- {
- OnDemand = 1;
- fg = 1;
- close_all = 0;
- disconnect = 0;
- }
-#endif /* HAVE_LAUNCHD */
-
for (i = 1; i < argc; i ++)
- if (argv[i][0] == '-')
+ {
+ if (!strcmp(argv[i], "--help"))
+ usage(0);
+ else if (argv[i][0] == '-')
+ {
for (opt = argv[i] + 1; *opt != '\0'; opt ++)
+ {
switch (*opt)
{
case 'C' : /* Run as child with config file */
usage(1);
break;
}
+ }
+ }
else
{
_cupsLangPrintf(stderr, _("cupsd: Unknown argument \"%s\" - aborting."),
argv[i]);
usage(1);
}
+ }
if (!ConfigurationFile)
cupsdSetString(&ConfigurationFile, CUPS_SERVERROOT "/cupsd.conf");
strlcpy(filename, ConfigurationFile, len);
if ((slash = strrchr(filename, '/')) == NULL)
{
+ free(filename);
_cupsLangPrintf(stderr,
_("cupsd: Unable to get path to "
"cups-files.conf file."));
exit(errno);
}
+ /*
+ * Let the system know we are busy while we bring up cupsd...
+ */
+
+ cupsdSetBusyState(1);
+
/*
* Set the timezone info...
*/
else
cupsdAddEvent(CUPSD_EVENT_SERVER_STARTED, NULL, NULL, "Scheduler started in background.");
+ cupsdSetBusyState(0);
+
/*
* Start any pending print jobs...
*/
current_time = time(NULL);
event_time = current_time;
expire_time = current_time;
- local_timeout = current_time + 60;
+ local_timeout = 0;
fds = 1;
report_time = 0;
senddoc_time = current_time;
#ifdef HAVE_ONDEMAND
if (OnDemand)
+ {
+# ifndef HAVE_SYSTEMD /* Issue #5640: systemd doesn't actually support launch-on-demand services, need to fake it */
+ stop_scheduler = 1;
+# endif /* HAVE_SYSTEMD */
break;
+ }
#endif /* HAVE_ONDEMAND */
DoingShutdown = 1;
#ifdef HAVE_ONDEMAND
/*
- * If no other work is scheduled and we're being controlled by
- * launchd then timeout after 'LaunchdTimeout' seconds of
+ * If no other work is scheduled and we're being controlled by launchd,
+ * systemd, etc. then timeout after 'IdleExitTimeout' seconds of
* inactivity...
*/
if (timeout == 86400 && OnDemand && IdleExitTimeout &&
- !cupsArrayCount(ActiveJobs) &&
# ifdef HAVE_SYSTEMD
!WebInterface &&
# endif /* HAVE_SYSTEMD */
- (!Browsing || !BrowseLocalProtocols || !cupsArrayCount(Printers)))
+ !cupsArrayCount(ActiveJobs))
{
- timeout = IdleExitTimeout;
- service_idle_exit = 1;
+ cupsd_printer_t *p = NULL; /* Current printer */
+
+ if (Browsing && BrowseLocalProtocols)
+ {
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ if (p->shared)
+ break;
+ }
+
+ if (!p)
+ {
+ timeout = IdleExitTimeout;
+ service_idle_exit = 1;
+ }
}
else
service_idle_exit = 0;
* Write dirty config/state files...
*/
- if (DirtyCleanTime && current_time >= DirtyCleanTime && cupsArrayCount(Clients) == 0)
+ if (DirtyCleanTime && current_time >= DirtyCleanTime)
cupsdCleanDirty();
#ifdef __APPLE__
if (current_time > expire_time)
{
- if (cupsArrayCount(Subscriptions) > 0)
- cupsdExpireSubscriptions(NULL, NULL);
+ cupsdExpireSubscriptions(NULL, NULL);
cupsdUnloadCompletedJobs();
*/
if (current_time >= local_timeout)
+ {
cupsdDeleteTemporaryPrinters(0);
+ local_timeout = 0;
+ }
#ifndef HAVE_AUTHORIZATION_H
/*
}
#endif /* !HAVE_AUTHORIZATION_H */
+ /*
+ * Clean job history...
+ */
+
+ if (JobHistoryUpdate && current_time >= JobHistoryUpdate)
+ cupsdCleanJobs();
+
+ /*
+ * Update any pending multi-file documents...
+ */
+
+ if ((current_time - senddoc_time) >= 10)
+ {
+ cupsdCheckJobs();
+ senddoc_time = current_time;
+ }
+
/*
* Check for new data on the client sockets...
*/
}
}
- /*
- * Update any pending multi-file documents...
- */
-
- if ((current_time - senddoc_time) >= 10)
- {
- cupsdCheckJobs();
- senddoc_time = current_time;
- }
-
- /*
- * Clean job history...
- */
-
- if (JobHistoryUpdate && current_time >= JobHistoryUpdate)
- cupsdCleanJobs();
-
/*
* Log statistics at most once a minute when in debug mode...
*/
(!job->filters[i] && WIFEXITED(old_status)))
{ /* Backend and filter didn't crash */
if (job->filters[i])
+ {
job->status = status; /* Filter failed */
+ }
else
+ {
job->status = -status; /* Backend failed */
+
+ if (job->current_file < job->num_files)
+ cupsdSetJobState(job, IPP_JOB_ABORTED, CUPSD_JOB_FORCE, "Canceling multi-file job due to backend failure.");
+ }
}
if (job->state_value == IPP_JOB_PROCESSING &&
time_t now; /* Current time */
cupsd_client_t *con; /* Client information */
cupsd_job_t *job; /* Job information */
- cupsd_printer_t *printer; /* Printer information */
const char *why; /* Debugging aid */
* Check for any job activity...
*/
- if (JobHistoryUpdate && timeout > JobHistoryUpdate)
- {
- timeout = JobHistoryUpdate;
- why = "update job history";
- }
-
for (job = (cupsd_job_t *)cupsArrayFirst(ActiveJobs);
job;
job = (cupsd_job_t *)cupsArrayNext(ActiveJobs))
}
}
- /*
- * Check for temporary printers that need to be deleted...
- */
-
- for (printer = (cupsd_printer_t *)cupsArrayFirst(Printers); printer; printer = (cupsd_printer_t *)cupsArrayNext(Printers))
- {
- if (printer->temporary && !printer->job && local_timeout > (printer->state_time + 60))
- local_timeout = printer->state_time + 60;
- }
-
- if (timeout > local_timeout)
- {
- timeout = local_timeout;
- why = "delete stale local printers";
- }
-
/*
* Adjust from absolute to relative time. We add 1 second to the timeout since
* events occur after the timeout expires, and limit the timeout to 86400
count; /* Number of listeners */
int *ld_sockets; /* Listener sockets */
+# ifdef __APPLE__
+ /*
+ * Force "user initiated" priority for the main thread...
+ */
+
+ pthread_set_qos_class_self_np(QOS_CLASS_USER_INITIATED, 0);
+# endif /* __APPLE__ */
+
/*
* Check-in with launchd...
*/
service_add_listener(ld_sockets[i], (int)i);
free(ld_sockets);
+
+# ifdef __APPLE__
+ xpc_transaction_begin();
+# endif /* __APPLE__ */
}
#elif defined(HAVE_SYSTEMD)
#ifdef HAVE_ONDEMAND
if (OnDemand)
{
+ int shared_printers = 0; /* Do we have shared printers? */
+
strlcpy(pidfile, CUPS_KEEPALIVE, sizeof(pidfile));
+ /*
+ * If printer sharing is on see if there are any actual shared printers...
+ */
+
+ if (Browsing && BrowseLocalProtocols)
+ {
+ cupsd_printer_t *p = NULL; /* Current printer */
+
+ for (p = (cupsd_printer_t *)cupsArrayFirst(Printers); p; p = (cupsd_printer_t *)cupsArrayNext(Printers))
+ {
+ if (p->shared)
+ break;
+ }
+
+ shared_printers = (p != NULL);
+ }
+
if (cupsArrayCount(ActiveJobs) || /* Active jobs */
WebInterface || /* Web interface enabled */
NeedReload || /* Doing a reload */
- (Browsing && BrowseLocalProtocols && cupsArrayCount(Printers)))
- /* Printers being shared */
+ shared_printers) /* Printers being shared */
{
/*
* Create or remove the "keep-alive" file based on whether there are active
else
cupsdLogMessage(CUPSD_LOG_ERROR, "Unable to create KeepAlive/PID file \"%s\": %s", pidfile, strerror(errno));
}
+
+# ifdef __APPLE__
+ if (OnDemand && shutdown)
+ xpc_transaction_end();
+# endif /* __APPLE__ */
}
_cupsLangPuts(fp, _("Usage: cupsd [options]"));
_cupsLangPuts(fp, _("Options:"));
- _cupsLangPuts(fp, _(" -c cupsd.conf Set cupsd.conf file to use."));
- _cupsLangPuts(fp, _(" -f Run in the foreground."));
- _cupsLangPuts(fp, _(" -F Run in the foreground but detach from console."));
- _cupsLangPuts(fp, _(" -h Show this usage message."));
+ _cupsLangPuts(fp, _("-c cupsd.conf Set cupsd.conf file to use."));
+ _cupsLangPuts(fp, _("-f Run in the foreground."));
+ _cupsLangPuts(fp, _("-F Run in the foreground but detach from console."));
+ _cupsLangPuts(fp, _("-h Show this usage message."));
#ifdef HAVE_ONDEMAND
- _cupsLangPuts(fp, _(" -l Run cupsd on demand."));
+ _cupsLangPuts(fp, _("-l Run cupsd on demand."));
#endif /* HAVE_ONDEMAND */
- _cupsLangPuts(fp, _(" -s cups-files.conf Set cups-files.conf file to use."));
- _cupsLangPuts(fp, _(" -t Test the configuration file."));
+ _cupsLangPuts(fp, _("-s cups-files.conf Set cups-files.conf file to use."));
+ _cupsLangPuts(fp, _("-t Test the configuration file."));
exit(status);
}
projects / thirdparty / cups.git / blobdiff