/***
Copyright 2009 Lennart Poettering
+ Copyright 2010 David Henningsson <diwic@ubuntu.com>
Permission is hereby granted, free of charge, to any person
obtaining a copy of this software and associated documentation files
#include "rtkit.h"
-#ifdef __linux__
+#if defined(__linux__) && !defined(__ANDROID__)
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
#endif
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
#include <string.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
+#include <pulsecore/core-util.h>
static pid_t _gettid(void) {
return (pid_t) syscall(SYS_gettid);
}
static int translate_error(const char *name) {
- if (strcmp(name, DBUS_ERROR_NO_MEMORY) == 0)
+ if (pa_streq(name, DBUS_ERROR_NO_MEMORY))
return -ENOMEM;
- if (strcmp(name, DBUS_ERROR_SERVICE_UNKNOWN) == 0 ||
- strcmp(name, DBUS_ERROR_NAME_HAS_NO_OWNER) == 0)
+ if (pa_streq(name, DBUS_ERROR_SERVICE_UNKNOWN) ||
+ pa_streq(name, DBUS_ERROR_NAME_HAS_NO_OWNER))
return -ENOENT;
- if (strcmp(name, DBUS_ERROR_ACCESS_DENIED) == 0 ||
- strcmp(name, DBUS_ERROR_AUTH_FAILED) == 0)
+ if (pa_streq(name, DBUS_ERROR_ACCESS_DENIED) ||
+ pa_streq(name, DBUS_ERROR_AUTH_FAILED))
return -EACCES;
return -EIO;
}
+static long long rtkit_get_int_property(DBusConnection *connection, const char* propname, long long* propval) {
+ DBusMessage *m = NULL, *r = NULL;
+ DBusMessageIter iter, subiter;
+ dbus_int64_t i64;
+ dbus_int32_t i32;
+ DBusError error;
+ int current_type;
+ long long ret;
+ const char * interfacestr = "org.freedesktop.RealtimeKit1";
+
+ dbus_error_init(&error);
+
+ if (!(m = dbus_message_new_method_call(
+ RTKIT_SERVICE_NAME,
+ RTKIT_OBJECT_PATH,
+ "org.freedesktop.DBus.Properties",
+ "Get"))) {
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!dbus_message_append_args(
+ m,
+ DBUS_TYPE_STRING, &interfacestr,
+ DBUS_TYPE_STRING, &propname,
+ DBUS_TYPE_INVALID)) {
+ ret = -ENOMEM;
+ goto finish;
+ }
+
+ if (!(r = dbus_connection_send_with_reply_and_block(connection, m, -1, &error))) {
+ ret = translate_error(error.name);
+ goto finish;
+ }
+
+ if (dbus_set_error_from_message(&error, r)) {
+ ret = translate_error(error.name);
+ goto finish;
+ }
+
+ ret = -EBADMSG;
+ dbus_message_iter_init(r, &iter);
+ while ((current_type = dbus_message_iter_get_arg_type (&iter)) != DBUS_TYPE_INVALID) {
+
+ if (current_type == DBUS_TYPE_VARIANT) {
+ dbus_message_iter_recurse(&iter, &subiter);
+
+ while ((current_type = dbus_message_iter_get_arg_type (&subiter)) != DBUS_TYPE_INVALID) {
+
+ if (current_type == DBUS_TYPE_INT32) {
+ dbus_message_iter_get_basic(&subiter, &i32);
+ *propval = i32;
+ ret = 0;
+ }
+
+ if (current_type == DBUS_TYPE_INT64) {
+ dbus_message_iter_get_basic(&subiter, &i64);
+ *propval = i64;
+ ret = 0;
+ }
+
+ dbus_message_iter_next (&subiter);
+ }
+ }
+ dbus_message_iter_next (&iter);
+ }
+
+finish:
+
+ if (m)
+ dbus_message_unref(m);
+
+ if (r)
+ dbus_message_unref(r);
+
+ dbus_error_free(&error);
+
+ return ret;
+}
+
+int rtkit_get_max_realtime_priority(DBusConnection *connection) {
+ long long retval;
+ int err;
+
+ err = rtkit_get_int_property(connection, "MaxRealtimePriority", &retval);
+ return err < 0 ? err : retval;
+}
+
+int rtkit_get_min_nice_level(DBusConnection *connection, int* min_nice_level) {
+ long long retval;
+ int err;
+
+ err = rtkit_get_int_property(connection, "MinNiceLevel", &retval);
+ if (err >= 0)
+ *min_nice_level = retval;
+ return err;
+}
+
+long long rtkit_get_rttime_usec_max(DBusConnection *connection) {
+ long long retval;
+ int err;
+
+ err = rtkit_get_int_property(connection, "RTTimeUSecMax", &retval);
+ return err < 0 ? err : retval;
+}
+
int rtkit_make_realtime(DBusConnection *connection, pid_t thread, int priority) {
DBusMessage *m = NULL, *r = NULL;
dbus_uint64_t u64;
return -ENOTSUP;
}
+int rtkit_get_max_realtime_priority(DBusConnection *connection) {
+ return -ENOTSUP;
+}
+
+int rtkit_get_min_nice_level(DBusConnection *connection, int* min_nice_level) {
+ return -ENOTSUP;
+}
+
+long long rtkit_get_rttime_usec_max(DBusConnection *connection) {
+ return -ENOTSUP;
+}
+
#endif