From 0b0e6bc987da4fd88a7854ebb12bde705e92c428 Mon Sep 17 00:00:00 2001 From: Perberos Date: Thu, 1 Dec 2011 21:51:44 -0300 Subject: moving from https://github.com/perberos/mate-desktop-environment --- font-viewer/totem-resources.c | 123 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 123 insertions(+) create mode 100644 font-viewer/totem-resources.c (limited to 'font-viewer/totem-resources.c') diff --git a/font-viewer/totem-resources.c b/font-viewer/totem-resources.c new file mode 100644 index 00000000..3d107737 --- /dev/null +++ b/font-viewer/totem-resources.c @@ -0,0 +1,123 @@ +/* + * Copyright (C) 2007 Bastien Nocera + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + * + * The Totem project hereby grant permission for non-gpl compatible GStreamer + * plugins to be used and distributed together with GStreamer and Totem. This + * permission are above and beyond the permissions granted by the GPL license + * Totem is covered by. + * + * Monday 7th February 2005: Christian Schaller: Add exception clause. + * See license_change file for details. + * + */ + +#include "config.h" + +#include +#include + +#include +#include +#include +#include +#include + +#include "totem-resources.h" + +#define MAX_HELPER_MEMORY (256 * 1024 * 1024) /* 256 MB */ +#define MAX_HELPER_SECONDS (15) /* 15 seconds */ +#define DEFAULT_SLEEP_TIME (30 * G_USEC_PER_SEC) /* 30 seconds */ + +static guint sleep_time = DEFAULT_SLEEP_TIME; +static gboolean finished = TRUE; + +static void +set_resource_limits (const char *input) +{ + struct rlimit limit; + struct stat buf; + rlim_t max; + + max = MAX_HELPER_MEMORY; + + /* Set the maximum virtual size depending on the size + * of the file to process, as we wouldn't be able to + * mmap it otherwise */ + if (input == NULL) { + max = MAX_HELPER_MEMORY; + } else if (g_stat (input, &buf) == 0) { + max = MAX_HELPER_MEMORY + buf.st_size; + } else if (g_str_has_prefix (input, "file://") != FALSE) { + char *file; + file = g_filename_from_uri (input, NULL, NULL); + if (file != NULL && g_stat (file, &buf) == 0) + max = MAX_HELPER_MEMORY + buf.st_size; + g_free (file); + } + + limit.rlim_cur = max; + limit.rlim_max = max; + + setrlimit (RLIMIT_DATA, &limit); + + limit.rlim_cur = MAX_HELPER_SECONDS; + limit.rlim_max = MAX_HELPER_SECONDS; + setrlimit (RLIMIT_CPU, &limit); +} + +G_GNUC_NORETURN static gpointer +time_monitor (gpointer data) +{ + const char *app_name; + + g_usleep (sleep_time); + + if (finished != FALSE) + g_thread_exit (NULL); + + app_name = g_get_application_name (); + if (app_name == NULL) + app_name = g_get_prgname (); + g_print ("%s couldn't process file: '%s'\n" + "Reason: Took too much time to process.\n", + app_name, + (const char *) data); + + exit (0); +} + +void +totem_resources_monitor_start (const char *input, gint wall_clock_time) +{ + set_resource_limits (input); + + if (wall_clock_time < 0) + return; + + if (wall_clock_time > 0) + sleep_time = wall_clock_time; + + finished = FALSE; + g_thread_create (time_monitor, (gpointer) input, FALSE, NULL); +} + +void +totem_resources_monitor_stop (void) +{ + finished = TRUE; +} + -- cgit v1.2.1