From fd86c819ba559760b9bf7eaca1b21a0fd81ef6b6 Mon Sep 17 00:00:00 2001
From: Michael Brown
Date: Tue, 3 Jul 2007 20:09:14 +0100
Subject: Use a linker-table based system to automatically mark and start up
 permanent processes, rather than requiring each one to have its own
 initialisation function.

---
 src/include/gpxe/init.h    |  1 -
 src/include/gpxe/process.h | 11 +++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

(limited to 'src/include')

diff --git a/src/include/gpxe/init.h b/src/include/gpxe/init.h
index bd4cd97d4..b13674ec7 100644
--- a/src/include/gpxe/init.h
+++ b/src/include/gpxe/init.h
@@ -42,7 +42,6 @@ struct init_fn {
 #define	INIT_LOADBUF	08
 #define	INIT_PCMCIA	09
 #define	INIT_RPC	11
-#define INIT_PROCESS	12
 
 /* Macro for creating an initialisation function table entry */
 #define INIT_FN( init_order, init_func, reset_func, exit_func )	\
diff --git a/src/include/gpxe/process.h b/src/include/gpxe/process.h
index c0837fa4f..595787c0f 100644
--- a/src/include/gpxe/process.h
+++ b/src/include/gpxe/process.h
@@ -9,6 +9,7 @@
 
 #include <gpxe/list.h>
 #include <gpxe/refcnt.h>
+#include <gpxe/tables.h>
 
 /** A process */
 struct process {
@@ -33,6 +34,7 @@ struct process {
 extern void process_add ( struct process *process );
 extern void process_del ( struct process *process );
 extern void step ( void );
+extern void init_processes ( void );
 
 /**
  * Initialise process without adding to process list
@@ -62,4 +64,13 @@ process_init ( struct process *process,
 	process_add ( process );
 }
 
+/**
+ * Declare a permanent process
+ *
+ * Permanent processes will be automatically added to the process list
+ * at initialisation time.
+ */
+#define __permanent_process \
+	__table ( struct process, processes, 01 )
+
 #endif /* _GPXE_PROCESS_H */
-- 
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