f1a29fc6dc
2009-03-02 Bastien Nocera <hadess@hadess.net> * font-viewer/Makefile.am: * font-viewer/font-thumbnailer.c (main): * font-viewer/totem-resources.c (set_resource_limits), (time_monitor), (totem_resources_monitor_start), (totem_resources_monitor_stop): * font-viewer/totem-resources.h: Stop the font thumbnailer eating all the CPU, and limit the resources to 30 seconds and 256MB of RAM, which should be plenty (Closes: #573795) svn path=/trunk/; revision=9306
123 lines
3.1 KiB
C
123 lines
3.1 KiB
C
/*
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* Copyright (C) 2007 Bastien Nocera <hadess@hadess.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* The Totem project hereby grant permission for non-gpl compatible GStreamer
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* plugins to be used and distributed together with GStreamer and Totem. This
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* permission are above and beyond the permissions granted by the GPL license
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* Totem is covered by.
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*
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* Monday 7th February 2005: Christian Schaller: Add exception clause.
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* See license_change file for details.
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*
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*/
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#include "config.h"
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#include <glib.h>
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#include <glib/gstdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/resource.h>
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#include "totem-resources.h"
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#define MAX_HELPER_MEMORY (256 * 1024 * 1024) /* 256 MB */
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#define MAX_HELPER_SECONDS (15) /* 15 seconds */
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#define DEFAULT_SLEEP_TIME (30 * G_USEC_PER_SEC) /* 30 seconds */
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static guint sleep_time = DEFAULT_SLEEP_TIME;
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static gboolean finished = TRUE;
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static void
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set_resource_limits (const char *input)
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{
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struct rlimit limit;
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struct stat buf;
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rlim_t max;
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max = MAX_HELPER_MEMORY;
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/* Set the maximum virtual size depending on the size
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* of the file to process, as we wouldn't be able to
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* mmap it otherwise */
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if (input == NULL) {
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max = MAX_HELPER_MEMORY;
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} else if (g_stat (input, &buf) == 0) {
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max = MAX_HELPER_MEMORY + buf.st_size;
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} else if (g_str_has_prefix (input, "file://") != FALSE) {
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char *file;
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file = g_filename_from_uri (input, NULL, NULL);
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if (file != NULL && g_stat (file, &buf) == 0)
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max = MAX_HELPER_MEMORY + buf.st_size;
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g_free (file);
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}
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limit.rlim_cur = max;
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limit.rlim_max = max;
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setrlimit (RLIMIT_DATA, &limit);
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limit.rlim_cur = MAX_HELPER_SECONDS;
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limit.rlim_max = MAX_HELPER_SECONDS;
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setrlimit (RLIMIT_CPU, &limit);
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}
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G_GNUC_NORETURN static gpointer
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time_monitor (gpointer data)
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{
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const char *app_name;
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g_usleep (sleep_time);
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if (finished != FALSE)
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g_thread_exit (NULL);
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app_name = g_get_application_name ();
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if (app_name == NULL)
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app_name = g_get_prgname ();
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g_print ("%s couldn't process file: '%s'\n"
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"Reason: Took too much time to process.\n",
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app_name,
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(const char *) data);
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exit (0);
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}
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void
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totem_resources_monitor_start (const char *input, gint wall_clock_time)
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{
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set_resource_limits (input);
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if (wall_clock_time < 0)
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return;
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if (wall_clock_time > 0)
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sleep_time = wall_clock_time;
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finished = FALSE;
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g_thread_create (time_monitor, (gpointer) input, FALSE, NULL);
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}
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void
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totem_resources_monitor_stop (void)
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{
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finished = TRUE;
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}
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