/*
* "$Id$"
*
- * D-Bus notifier for CUPS.
+ * D-Bus notifier for CUPS.
*
- * Copyright 2008-2012 by Apple Inc.
- * Copyright (C) 2011 Red Hat, Inc.
- * Copyright (C) 2007 Tim Waugh <twaugh@redhat.com>
- * Copyright 1997-2005 by Easy Software Products.
+ * Copyright 2008-2014 by Apple Inc.
+ * Copyright (C) 2011, 2013 Red Hat, Inc.
+ * Copyright (C) 2007 Tim Waugh <twaugh@redhat.com>
+ * Copyright 1997-2005 by Easy Software Products.
*
- * 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"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * Contents:
- *
- * main() - Read events and send DBUS notifications.
- * acquire_lock() - Acquire a lock so we only have a single notifier running.
+ * 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"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*/
/*
};
+/*
+ * Global variables...
+ */
+
+static char lock_filename[1024]; /* Lock filename */
+
+
/*
* Local functions...
*/
static int acquire_lock(int *fd, char *lockfile, size_t locksize);
+static void release_lock(void);
/*
DBusMessage *message; /* Message to send */
DBusMessageIter iter; /* Iterator for message data */
int lock_fd = -1; /* Lock file descriptor */
- char lock_filename[1024];
- /* Lock filename */
/*
if (lock_fd >= 0)
{
close(lock_fd);
- unlink(lock_filename);
+ release_lock();
}
return (0);
}
+/*
+ * 'release_lock()' - Release the singleton lock.
+ */
+
+static void
+release_lock(void)
+{
+ unlink(lock_filename);
+}
+
+
+/*
+ * 'handle_sigterm()' - Handle SIGTERM signal.
+ */
+static void
+handle_sigterm(int signum)
+{
+ release_lock();
+ _exit(0);
+}
+
/*
* 'acquire_lock()' - Acquire a lock so we only have a single notifier running.
*/
char *lockfile, /* I - Lock filename buffer */
size_t locksize) /* I - Size of filename buffer */
{
- const char *tmpdir; /* Temporary directory */
+ const char *tmpdir; /* Temporary directory */
+ struct sigaction action; /* POSIX sigaction data */
/*
if ((*fd = open(lockfile, O_RDWR | O_CREAT | O_EXCL, S_IRUSR | S_IWUSR)) < 0)
return (-1);
- else
- return (0);
+
+ /*
+ * Set a SIGTERM handler to make sure we release the lock if the
+ * scheduler decides to stop us.
+ */
+ memset(&action, 0, sizeof(action));
+ action.sa_handler = handle_sigterm;
+ sigaction(SIGTERM, &action, NULL);
+
+ return (0);
}
#else /* !HAVE_DBUS */
int
/*
* "$Id$"
*
- * IPP routines for the CUPS scheduler.
+ * IPP routines for the CUPS scheduler.
*
- * Copyright 2007-2013 by Apple Inc.
- * Copyright 1997-2007 by Easy Software Products, all rights reserved.
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2007 by Easy Software Products, all rights reserved.
*
- * This file contains Kerberos support code, copyright 2006 by
- * Jelmer Vernooij.
+ * This file contains Kerberos support code, copyright 2006 by
+ * Jelmer Vernooij.
*
- * 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"
- * which should have been included with this file. If this file is
- * file is missing or damaged, see the license at "http://www.cups.org/".
- *
- * Contents:
- *
- * cupsdProcessIPPRequest() - Process an incoming IPP request.
- * cupsdTimeoutJob() - Timeout a job waiting on job files.
- * accept_jobs() - Accept print jobs to a printer.
- * add_class() - Add a class to the system.
- * add_file() - Add a file to a job.
- * add_job() - Add a job to a print queue.
- * add_job_subscriptions() - Add any subscriptions for a job.
- * add_job_uuid() - Add job-uuid attribute to a job.
- * add_printer() - Add a printer to the system.
- * add_printer_state_reasons() - Add the "printer-state-reasons" attribute
- * based upon the printer state...
- * add_queued_job_count() - Add the "queued-job-count" attribute for the
- * specified printer or class.
- * apply_printer_defaults() - Apply printer default options to a job.
- * authenticate_job() - Set job authentication info.
- * cancel_all_jobs() - Cancel all or selected print jobs.
- * cancel_job() - Cancel a print job.
- * cancel_subscription() - Cancel a subscription.
- * check_rss_recipient() - Check that we do not have a duplicate RSS
- * feed URI.
- * check_quotas() - Check quotas for a printer and user.
- * close_job() - Close a multi-file job.
- * copy_attrs() - Copy attributes from one request to another.
- * copy_banner() - Copy a banner file to the requests directory
- * for the specified job.
- * copy_file() - Copy a PPD file or interface script...
- * copy_model() - Copy a PPD model file, substituting default
- * values as needed...
- * copy_job_attrs() - Copy job attributes.
- * copy_printer_attrs() - Copy printer attributes.
- * copy_subscription_attrs() - Copy subscription attributes.
- * create_job() - Print a file to a printer or class.
- * create_requested_array() - Create an array for the requested-attributes.
- * create_subscription() - Create a notification subscription.
- * delete_printer() - Remove a printer or class from the system.
- * get_default() - Get the default destination.
- * get_devices() - Get the list of available devices on the
- * local system.
- * get_document() - Get a copy of a job file.
- * get_job_attrs() - Get job attributes.
- * get_jobs() - Get a list of jobs for the specified printer.
- * get_notifications() - Get events for a subscription.
- * get_ppd() - Get a named PPD from the local system.
- * get_ppds() - Get the list of PPD files on the local
- * system.
- * get_printer_attrs() - Get printer attributes.
- * get_printer_supported() - Get printer supported values.
- * get_printers() - Get a list of printers or classes.
- * get_subscription_attrs() - Get subscription attributes.
- * get_subscriptions() - Get subscriptions.
- * get_username() - Get the username associated with a request.
- * hold_job() - Hold a print job.
- * hold_new_jobs() - Hold pending/new jobs on a printer or class.
- * move_job() - Move a job to a new destination.
- * ppd_parse_line() - Parse a PPD default line.
- * print_job() - Print a file to a printer or class.
- * read_job_ticket() - Read a job ticket embedded in a print file.
- * reject_jobs() - Reject print jobs to a printer.
- * release_held_new_jobs() - Release pending/new jobs on a printer or
- * class.
- * release_job() - Release a held print job.
- * renew_subscription() - Renew an existing subscription...
- * restart_job() - Restart an old print job.
- * save_auth_info() - Save authentication information for a job.
- * send_document() - Send a file to a printer or class.
- * send_http_error() - Send a HTTP error back to the IPP client.
- * send_ipp_status() - Send a status back to the IPP client.
- * set_default() - Set the default destination...
- * set_job_attrs() - Set job attributes.
- * set_printer_attrs() - Set printer attributes.
- * set_printer_defaults() - Set printer default options from a request.
- * start_printer() - Start a printer.
- * stop_printer() - Stop a printer.
- * url_encode_attr() - URL-encode a string attribute.
- * url_encode_string() - URL-encode a string.
- * user_allowed() - See if a user is allowed to print to a queue.
- * validate_job() - Validate printer options and destination.
- * validate_name() - Make sure the printer name only contains
- * valid chars.
- * validate_user() - Validate the user for the request.
+ * 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"
+ * which should have been included with this file. If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
*/
/*
{
job_comparison = -1;
job_state = IPP_JOB_STOPPED;
- list = Jobs;
+ list = ActiveJobs;
}
else if (!strcmp(attr->values[0].string.text, "completed"))
{