From c57bdaabf7d36c869812821626ad6046457621aa Mon Sep 17 00:00:00 2001
From: "Michael I. Bushnell" <mib@gnu.org>
Date: Wed, 6 Sep 1995 19:29:51 +0000
Subject: Formerly system.h.~8~

---
 pfinet/asm/system.h | 79 ++++-------------------------------------------------
 1 file changed, 5 insertions(+), 74 deletions(-)

(limited to 'pfinet/asm/system.h')

diff --git a/pfinet/asm/system.h b/pfinet/asm/system.h
index 19d181c5..dacd6ea1 100644
--- a/pfinet/asm/system.h
+++ b/pfinet/asm/system.h
@@ -1,79 +1,10 @@
 #ifndef _HACK_ASM_SYSTEM_H_
 #define _HACK_ASM_SYSTEM_H_
 
-#include <cthreads.h>
-#include <sys/types.h>
-
-#define intr_count (_fetch_intr_count ())
-
-/* This lock is held when "interrupts" are disabled. */
-extern struct mutex global_interrupt_lock;
-
-/* Save the "processor state" in the longword FLAGS. */
-/* We define 1 to mean that global_interrupt_lock is held. */
-
-#define save_flags(x) _real_save_flags (&x)
-extern inline void 
-_real_save_flags (u_long *flagsword)
-{
-  int locked;
-  
-  locked = !mutex_try_lock (&global_interrupt_lock);
-  if (!locked)
-    mutex_unlock (&global_interrupt_lock);
-  *flagsword = locked;
-}
-
-/* Restore state saved in FLAGS. */
-extern inline void
-restore_flags (u_long flags)
-{
-  if (flags)
-    mutex_try_lock (&global_interrupt_lock);
-  else
-    mutex_unlock (&global_interrupt_lock);
-}
-
-/* Prevent "interrupts" from happening. */
-extern inline void 
-cli ()
-{
-  mutex_try_lock (&global_interrupt_lock);
-}
-
-/* Permit "interrupts". */ 
-extern inline void
-sti ()
-{
-  mutex_unlock (&global_interrupt_lock);
-}
-
-/* In threads set aside to be interrupt threads, they call this
-   before doing any real work, thus putting us into "interrupt"
-   mode. */
-extern inline void
-begin_interrupt ()
-{
-  mutex_lock (&global_interrupt_lock);
-  /* Should we suspend the current "user thread"? */
-}
-
-/* And then this, at the end of the real work. */
-extern inline void
-end_interrupt ()
-{
-  mutex_unlock (&global_interrupt_lock);
-  /* Likewise a resumption? */
-}
-
-/* Return one if we are in interrupt code. */
-extern inline int
-_fetch_intr_count ()
-{
-  u_long locked;
- 
-  _real_save_flags (&locked);
-  return locked;
-}
+#define intr_count 0
+#define save_flags(x)
+#define restore_flags(x)
+#define cli()
+#define sti()
 
 #endif
-- 
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