patch-2.1.32 linux/include/linux/sunrpc/types.h

• Lines: 76
• Date: Fri Apr 4 11:18:20 1997
• Orig file: v2.1.31/linux/include/linux/sunrpc/types.h
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.31/linux/include/linux/sunrpc/types.h linux/include/linux/sunrpc/types.h
@@ -0,0 +1,75 @@
+/*
+ * linux/include/linux/sunrpc/types.h
+ *
+ * Generic types and misc stuff for RPC.
+ *
+ * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de>
+ */
+
+#ifndef _LINUX_SUNRPC_TYPES_H_
+#define _LINUX_SUNRPC_TYPES_H_
+
+#include <linux/timer.h>
+#include <linux/tqueue.h>
+#include <linux/sunrpc/debug.h>
+
+/*
+ * These are the RPC list manipulation primitives used everywhere.
+ */
+struct rpc_listitem	{
+	struct rpc_listitem *	prev;
+	struct rpc_listitem *	next;
+};
+
+extern __inline__ void
+__rpc_append_list(struct rpc_listitem **q, struct rpc_listitem *item)
+{
+	struct rpc_listitem	*next, *prev;
+
+	if (!(next = *q)) {
+		*q = item->next = item->prev = item;
+	} else {
+		prev = next->prev;
+		prev->next = item;
+		next->prev = item;
+		item->next = next;
+		item->prev = prev;
+	}
+}
+
+extern __inline__ void
+__rpc_insert_list(struct rpc_listitem **q, struct rpc_listitem *item)
+{
+	__rpc_append_list(q, item);
+	*q = item;
+}
+
+extern __inline__ void
+__rpc_remove_list(struct rpc_listitem **q, struct rpc_listitem *item)
+{
+	struct rpc_listitem	*prev = item->prev,
+				*next = item->next;
+
+	if (item != prev) {
+		next->prev = prev;
+		prev->next = next;
+	} else {
+		next = NULL;
+	}
+	if (*q == item)
+		*q = next;
+}
+
+#define rpc_insert_list(q, i) \
+      __rpc_insert_list((struct rpc_listitem **) q, (struct rpc_listitem *) i)
+#define rpc_append_list(q, i) \
+      __rpc_append_list((struct rpc_listitem **) q, (struct rpc_listitem *) i)
+#define rpc_remove_list(q, i) \
+      __rpc_remove_list((struct rpc_listitem **) q, (struct rpc_listitem *) i)
+
+/*
+ * Shorthands
+ */
+#define signalled()		(current->signal & ~current->blocked)
+
+#endif /* _LINUX_SUNRPC_TYPES_H_ */