1 files changed, 87 insertions, 0 deletions
diff --git a/pfinet/sched.c b/pfinet/sched.c
new file mode 100644
index 00000000..41059b3f
--- /dev/null
+++ b/pfinet/sched.c
@@ -0,0 +1,87 @@
+/* 
+   Copyright (C) 1995, 1996 Free Software Foundation, Inc.
+   Written by Michael I. Bushnell, p/BSG.
+
+   This file is part of the GNU Hurd.
+
+   The GNU Hurd is free software; you can redistribute it and/or
+   modify it under the terms of the GNU General Public License as
+   published by the Free Software Foundation; either version 2, or (at
+   your option) any later version.
+
+   The GNU Hurd is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111, USA. */
+
+#include <asm/system.h>
+#include <linux/sched.h>
+#include "pfinet.h"
+
+struct mutex global_lock = MUTEX_INITIALIZER;
+struct mutex packet_queue_lock = MUTEX_INITIALIZER;
+
+struct task_struct current_contents;
+struct task_struct *current = &current_contents;
+
+void
+interruptible_sleep_on (struct wait_queue **p)
+{
+  int cancel;
+  
+  cancel = hurd_condition_wait (&(*p)->c, &global_lock);
+  if (cancel)
+    current->signal = 1;
+}
+
+void
+wake_up_interruptible (struct wait_queue **p)
+{
+  /* tcp.c uses an unitialized wait queue; don't bomb
+     if we see it. */
+  if (*p)
+    condition_broadcast (&(*p)->c);
+}
+
+
+/* Wake up the owner of the SOCK.  If HOW is zero, then just
+   send SIGIO.  If HOW is one, then send SIGIO only if the 
+   SO_WAITDATA flag is off.  If HOW is two, then send SIGIO
+   only if the SO_NOSPACE flag is on, and also clear it. */
+int
+sock_wake_async (struct socket *sock, int how)
+{
+  /* For now, do nothing. XXX  */
+  return 0;
+}
+
+
+/* Set the contents of current appropriately for an RPC being undertaken
+   by USER. */
+void
+become_task (struct sock_user *user)
+{
+  /* These fields are not really used currently. */
+  current->pgrp = current->pid = 0;
+  
+  current->flags = 0;
+  current->timeout = 0;
+  current->signal = current->blocked = 0;
+  current->state = TASK_RUNNING;
+  current->isroot = user->isroot;
+}
+
+void
+become_task_protid (struct trivfs_protid *protid)
+{
+  current->pgrp = current->pid = 0;
+  current->flags = 0;
+  current->timeout = 0;
+  current->signal = current->blocked = 0;
+  current->state = TASK_RUNNING;
+  current->isroot = protid->isroot;
+}