[PATCH] activation: set children oom_score_adj to 0

[WaLyong Cho]

If dbus is running as systemd service, dbus daemon is running with
oom_score_adj -900 by OOMScoreAdjust=-900. And children will also have
same value with dbus daemon.
To avoid this, set the child itself values after fork () to 0.
---
 dbus/dbus-spawn.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/dbus/dbus-spawn.c b/dbus/dbus-spawn.c
index afdcd68..3d34642 100644
--- a/dbus/dbus-spawn.c
+++ b/dbus/dbus-spawn.c
@@ -30,6 +30,7 @@
 #include "dbus-test.h"
 #include "dbus-protocol.h"
 
+#include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
 #include <signal.h>
@@ -1359,6 +1360,8 @@ _dbus_spawn_async_with_babysitter (DBusBabysitter          **sitter_p,
 	}
       else if (grandchild_pid == 0)
       {
+          FILE *file;
+
           /* Go back to ignoring SIGPIPE, since it's evil
            */
           signal (SIGPIPE, SIG_IGN);
@@ -1373,6 +1376,14 @@ _dbus_spawn_async_with_babysitter (DBusBabysitter          **sitter_p,
           close_and_invalidate (&fd_out);
           close_and_invalidate (&fd_err);
 #endif
+
+          file = fopen ("/proc/self/oom_score_adj", "w");
+          if (!file)
+            _dbus_assert_not_reached ("Got to code fopen().");
+
+          fprintf (file, "0");
+          fclose (file);
+
 	  do_exec (child_err_report_pipe[WRITE_END],
 		   argv,
 		   env,
-- 
2.5.5