Formerly main.c.~9~

1 files changed, 15 insertions, 0 deletions

diff --git a/proc/main.c b/proc/main.c
index 67c6b78a..82599d95 100644
--- a/proc/main.c
+++ b/proc/main.c
@@ -52,6 +52,7 @@ main (int argc, char **argv, char **envp)
   mach_port_t boot;
   mach_port_t authhandle;
   error_t err;
+  mach_port_t pset, psetcntl;
 
   initialize_version_info ();
 
@@ -81,6 +82,20 @@ main (int argc, char **argv, char **envp)
   self_proc->p_argv = (int) argv;
   self_proc->p_envp = (int) envp;
 
+  /* Give ourselves good scheduling performance, because we are so
+     important. */
+  err = thread_get_assignment (mach_thread_self (), &pset);
+  assert (!err);
+  err = host_processor_set_priv (master_host_port, pset, &psetcntl);
+  assert (!err);
+  thread_max_priority (mach_thread_self (), psetcntl, 0);
+  assert (!err);
+  err = task_priority (mach_task_self (), 0, 1);
+  assert (!err);
+
+  mach_port_deallocate (mach_task_self (), pset);
+  mach_port_deallocate (mach_task_self (), psetcntl);
+
   while (1)
     mach_msg_server (message_demuxer, 0, request_portset);
 }