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https://gitlab.freedesktop.org/pipewire/pipewire.git
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89bc235924
Hide GDBus from RTKit API Remove register node from dbus API Add signal Add object and register objects in the registry Add some preregistered types to the registry Let the daemon listen to the registry
150 lines
4.3 KiB
C
150 lines
4.3 KiB
C
/* Pinos
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* Copyright (C) 2015 Wim Taymans <wim.taymans@gmail.com>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#include <sys/syscall.h>
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#include <string.h>
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#include <errno.h>
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#include "rtkit.h"
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#include <gio/gio.h>
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struct _PinosRTKitBus {
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GDBusConnection *bus;
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};
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static pid_t _gettid(void) {
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return (pid_t) syscall(SYS_gettid);
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}
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static int
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translate_error (GError *error)
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{
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const gchar *name = g_dbus_error_get_remote_error (error);
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if (strcmp (name, "org.freedesktop.DBus.Error.NoMemory") == 0)
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return -ENOMEM;
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if (strcmp (name, "org.freedesktop.DBus.Error.ServiceUnknown") == 0 ||
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strcmp (name, "org.freedesktop.DBus.Error.NameHasNoOwner") == 0)
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return -ENOENT;
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if (strcmp (name, "org.freedesktop.DBus.Error.AccessDenied") == 0 ||
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strcmp (name, "org.freedesktop.DBus.Error.AuthFailed") == 0)
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return -EACCES;
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return -EIO;
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}
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PinosRTKitBus *
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pinos_rtkit_bus_get_system (void)
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{
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PinosRTKitBus *bus;
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bus = g_slice_new (PinosRTKitBus);
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bus->bus = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, NULL);
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return bus;
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}
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void
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pinos_rtkit_bus_free (PinosRTKitBus *system_bus)
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{
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g_object_unref (system_bus->bus);
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g_slice_free (PinosRTKitBus, system_bus);
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}
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int
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pinos_rtkit_make_realtime (PinosRTKitBus *system_bus,
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pid_t thread,
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int priority)
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{
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GVariant *v;
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GError *error = NULL;
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if (thread == 0)
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thread = _gettid();
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v = g_dbus_connection_call_sync (system_bus->bus,
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RTKIT_SERVICE_NAME,
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RTKIT_OBJECT_PATH,
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"org.freedesktop.RealtimeKit1",
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"MakeThreadRealtime",
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g_variant_new ("(tu)",
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(guint64) thread,
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(guint32) priority),
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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&error);
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if (v == NULL)
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return translate_error (error);
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g_variant_unref (v);
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return 0;
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}
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int
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pinos_rtkit_make_high_priority (PinosRTKitBus *system_bus,
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pid_t thread,
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int nice_level)
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{
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GVariant *v;
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GError *error = NULL;
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if (thread == 0)
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thread = _gettid();
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v = g_dbus_connection_call_sync (system_bus->bus,
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RTKIT_SERVICE_NAME,
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RTKIT_OBJECT_PATH,
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"org.freedesktop.RealtimeKit1",
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"MakeThreadHighPriority",
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g_variant_new ("(tu)",
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(guint64) thread,
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(guint32) nice_level),
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NULL,
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G_DBUS_CALL_FLAGS_NONE,
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-1,
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NULL,
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&error);
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if (v == NULL)
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return translate_error (error);
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g_variant_unref (v);
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return 0;
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}
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int pinos_rtkit_get_max_realtime_priority (PinosRTKitBus *system_bus)
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{
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return 0;
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}
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int pinos_rtkit_get_min_nice_level (PinosRTKitBus *system_bus, int* min_nice_level)
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{
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return 0;
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}
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/* Return the maximum value of RLIMIT_RTTIME to set before attempting a
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* realtime request. A negative value is an errno style error code.
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*/
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long long pinos_rtkit_get_rttime_usec_max (PinosRTKitBus *system_bus)
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{
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return 0;
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}
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