pipewire/pinos/client/rtkit.c

105 lines
3.4 KiB
C
Raw Normal View History

/* Pinos
* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#include <sys/syscall.h>
#include "rtkit.h"
static pid_t _gettid(void) {
return (pid_t) syscall(SYS_gettid);
}
gboolean
pinos_rtkit_make_realtime (GDBusConnection *system_bus,
pid_t thread,
gint priority,
GError **error)
{
GVariant *v;
if (thread == 0)
thread = _gettid();
v = g_dbus_connection_call_sync (system_bus,
RTKIT_SERVICE_NAME,
RTKIT_OBJECT_PATH,
"org.freedesktop.RealtimeKit1",
"MakeThreadRealtime",
g_variant_new ("(tu)",
(guint64) thread,
(guint32) priority),
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
error);
if (v)
g_variant_unref (v);
return v != NULL;
}
gboolean
pinos_rtkit_make_high_priority (GDBusConnection *system_bus,
pid_t thread,
gint nice_level,
GError **error)
{
GVariant *v;
if (thread == 0)
thread = _gettid();
v = g_dbus_connection_call_sync (system_bus,
RTKIT_SERVICE_NAME,
RTKIT_OBJECT_PATH,
"org.freedesktop.RealtimeKit1",
"MakeThreadHighPriority",
g_variant_new ("(tu)",
(guint64) thread,
(guint32) nice_level),
NULL,
G_DBUS_CALL_FLAGS_NONE,
-1,
NULL,
error);
if (v)
g_variant_unref (v);
return v != NULL;
}
int pinos_rtkit_get_max_realtime_priority (GDBusConnection *system_bus)
{
return 0;
}
int pinos_rtkit_get_min_nice_level (GDBusConnection *system_bus, int* min_nice_level)
{
return 0;
}
/* Return the maximum value of RLIMIT_RTTIME to set before attempting a
* realtime request. A negative value is an errno style error code.
*/
long long rtkit_get_rttime_usec_max (GDBusConnection *system_bus)
{
return 0;
}