From 2e3591e5d88e321aa26063dfa0d8f736240fb39f Mon Sep 17 00:00:00 2001
From: "Michael I. Bushnell" <mib@gnu.org>
Date: Wed, 9 Aug 1995 15:07:41 +0000
Subject: Formerly system.h.~5~

---
 pfinet/asm/system.h | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'pfinet')

diff --git a/pfinet/asm/system.h b/pfinet/asm/system.h
index 4dfc74e7..bb51a6fb 100644
--- a/pfinet/asm/system.h
+++ b/pfinet/asm/system.h
@@ -46,4 +46,24 @@ 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? */
+}
+
+
+
 #endif
-- 
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