From: Lukasz Skalski <l.skalski@partner.samsung.com>
Date: Tue, 3 Dec 2013 14:17:55 +0000 (+0100)
Subject: bus: Add bus_kernel_monitor function
X-Git-Tag: v209~1045
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=commitdiff_plain;h=c8fa3f60302f6d1bf7b2f7b31fb7e5a46b3d53c1;ds=sidebyside

bus: Add bus_kernel_monitor function
---

diff --git a/src/libsystemd-bus/bus-kernel.c b/src/libsystemd-bus/bus-kernel.c
index d0a9fbc3f..e2e825f0f 100644
--- a/src/libsystemd-bus/bus-kernel.c
+++ b/src/libsystemd-bus/bus-kernel.c
@@ -1211,3 +1211,19 @@ int bus_kernel_create_namespace(const char *name, char **s) {
 
         return fd;
 }
+
+int bus_kernel_monitor(sd_bus *bus) {
+        struct kdbus_cmd_monitor cmd_monitor;
+        int r;
+
+        assert(bus);
+
+        cmd_monitor.id = 0;
+        cmd_monitor.flags = KDBUS_MONITOR_ENABLE;
+
+        r = ioctl(bus->input_fd, KDBUS_CMD_MONITOR, &cmd_monitor);
+        if (r < 0)
+                return -errno;
+
+        return 1;
+}
diff --git a/src/libsystemd-bus/bus-kernel.h b/src/libsystemd-bus/bus-kernel.h
index 177102090..c5d469c98 100644
--- a/src/libsystemd-bus/bus-kernel.h
+++ b/src/libsystemd-bus/bus-kernel.h
@@ -73,3 +73,5 @@ int bus_kernel_parse_unique_name(const char *s, uint64_t *id);
 
 int kdbus_translate_request_name_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags);
 int kdbus_translate_attach_flags(uint64_t sd_bus_flags, uint64_t *kdbus_flags);
+
+int bus_kernel_monitor(sd_bus *bus);