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-rwxr-xr-xSource/DirectFB/lib/fusion/conf.c113
1 files changed, 113 insertions, 0 deletions
diff --git a/Source/DirectFB/lib/fusion/conf.c b/Source/DirectFB/lib/fusion/conf.c
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+++ b/Source/DirectFB/lib/fusion/conf.c
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+/*
+ (c) Copyright 2001-2009 The world wide DirectFB Open Source Community (directfb.org)
+ (c) Copyright 2000-2004 Convergence (integrated media) GmbH
+
+ All rights reserved.
+
+ Written by Denis Oliver Kropp <dok@directfb.org>,
+ Andreas Hundt <andi@fischlustig.de>,
+ Sven Neumann <neo@directfb.org>,
+ Ville Syrjälä <syrjala@sci.fi> and
+ Claudio Ciccani <klan@users.sf.net>.
+
+ This library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2 of the License, or (at your option) any later version.
+
+ This library 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
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with this library; if not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+#include <config.h>
+
+#include <stddef.h>
+#include <string.h>
+#include <grp.h>
+
+#include <direct/conf.h>
+#include <direct/mem.h>
+#include <direct/messages.h>
+
+#include <fusion/conf.h>
+
+
+static FusionConfig config = {
+ .tmpfs = NULL,
+ .shmfile_gid = -1,
+};
+
+FusionConfig *fusion_config = &config;
+const char *fusion_config_usage =
+ "libfusion options:\n"
+ " force-slave Always enter as a slave, waiting for the master, if not there\n"
+ " tmpfs=<directory> Location of shared memory file\n"
+ " shmfile-group=<groupname> Group that owns shared memory files\n"
+ " [no-]debugshm Enable shared memory allocation tracking\n"
+ " [no-]madv-remove Enable usage of MADV_REMOVE (default = auto)\n"
+ "\n";
+
+/**********************************************************************************************************************/
+
+DirectResult
+fusion_config_set( const char *name, const char *value )
+{
+ if (strcmp (name, "tmpfs" ) == 0) {
+ if (value) {
+ if (fusion_config->tmpfs)
+ D_FREE( fusion_config->tmpfs );
+ fusion_config->tmpfs = D_STRDUP( value );
+ }
+ else {
+ D_ERROR("Fusion/Config 'tmpfs': No directory specified!\n");
+ return DR_INVARG;
+ }
+ } else
+ if (strcmp (name, "shmfile-group" ) == 0) {
+ if (value) {
+ struct group *group_info;
+
+ group_info = getgrnam( value );
+ if (group_info)
+ fusion_config->shmfile_gid = group_info->gr_gid;
+ else
+ D_PERROR("Fusion/Config 'shmfile-group': Group '%s' not found!\n", value);
+ }
+ else {
+ D_ERROR("Fusion/Config 'shmfile-group': No file group name specified!\n");
+ return DR_INVARG;
+ }
+ } else
+ if (strcmp (name, "force-slave" ) == 0) {
+ fusion_config->force_slave = true;
+ } else
+ if (strcmp (name, "no-force-slave" ) == 0) {
+ fusion_config->force_slave = false;
+ } else
+ if (strcmp (name, "debugshm" ) == 0) {
+ fusion_config->debugshm = true;
+ } else
+ if (strcmp (name, "no-debugshm" ) == 0) {
+ fusion_config->debugshm = false;
+ } else
+ if (strcmp (name, "madv-remove" ) == 0) {
+ fusion_config->madv_remove = true;
+ fusion_config->madv_remove_force = true;
+ } else
+ if (strcmp (name, "no-madv-remove" ) == 0) {
+ fusion_config->madv_remove = false;
+ fusion_config->madv_remove_force = true;
+ } else
+ if (direct_config_set( name, value ))
+ return DR_UNSUPPORTED;
+
+ return DR_OK;
+}
+