From f4dd55fa9fcf2b4a018793a2bfe3fe42e9dbc663 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Thu, 4 Jun 2009 01:46:12 +0200
Subject: Initial commit

---
 rtkit-test.c | 84 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 84 insertions(+)
 create mode 100644 rtkit-test.c

(limited to 'rtkit-test.c')

diff --git a/rtkit-test.c b/rtkit-test.c
new file mode 100644
index 0000000..59244f8
--- /dev/null
+++ b/rtkit-test.c
@@ -0,0 +1,84 @@
+/*-*- Mode: C; c-basic-offset: 8 -*-*/
+
+#include <errno.h>
+#include <string.h>
+#include <sched.h>
+#include <stdio.h>
+#include <sys/time.h>
+#include <sys/resource.h>
+
+#include "rtkit.h"
+
+#ifndef SCHED_RESET_ON_FORK
+#define SCHED_RESET_ON_FORK 0x40000000
+#endif
+
+static void print_status(const char *t) {
+    int ret;
+
+    if ((ret = sched_getscheduler(0)) < 0) {
+        fprintf(stderr, "sched_getscheduler() failed: %s\n", strerror(errno));
+        return;
+    }
+
+    printf("%s:\n"
+           "\tSCHED_RESET_ON_FORK: %s\n",
+           t,
+           (ret & SCHED_RESET_ON_FORK) ? "yes" : "no");
+
+    if ((ret & ~SCHED_RESET_ON_FORK) == SCHED_RR) {
+        struct sched_param param;
+
+        if (sched_getparam(0, &param) < 0) {
+            fprintf(stderr, "sched_getschedparam() failed: %s\n", strerror(errno));
+            return;
+        }
+
+        printf("\tSCHED_RR with priority %i\n", param.sched_priority);
+
+    } else if ((ret & ~SCHED_RESET_ON_FORK) == SCHED_OTHER) {
+        errno = 0;
+        ret = getpriority(PRIO_PROCESS, 0);
+        if (errno != 0) {
+            fprintf(stderr, "getpriority() failed: %s\n", strerror(errno));
+            return;
+        }
+
+        printf("\tSCHED_OTHER with nice level: %i\n", ret);
+
+    } else
+        fprintf(stderr, "Neither SCHED_RR nor SCHED_OTHER.\n");
+}
+
+int main(int argc, char *argv[]) {
+    DBusError error;
+    DBusConnection *bus;
+    int r;
+
+    dbus_error_init(&error);
+
+    if (!(bus = dbus_bus_get(DBUS_BUS_SYSTEM, &error))) {
+        fprintf(stderr, "Failed to connect to system bus: %s\n", error.message);
+        return 1;
+    }
+
+    print_status("before");
+
+    if ((r = rtkit_make_high_priority(bus, 0, -10)) < 0)
+        fprintf(stderr, "Failed to become high priority: %s\n", strerror(-r));
+    else
+        printf("Sucessfully became high priority.\n");
+
+    print_status("after high priority");
+
+    if ((r = rtkit_make_realtime(bus, 0, 10)) < 0)
+        fprintf(stderr, "Failed to become realtime: %s\n", strerror(-r));
+    else
+        printf("Sucessfully became realtime.\n");
+
+    print_status("after realtime");
+
+    dbus_connection_unref(bus);
+
+    return 0;
+}
-- 
cgit