From: Sascha Wildner <saw@online.de>
Date: Thu, 22 Apr 2010 09:14:47 +0000 (+0200)
Subject: kernel: Add TUNABLE_LONG.
X-Git-Tag: v2.7.3~77
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/36f5b272d4fd7e279a6d4bdbd3be44d062968105

kernel: Add TUNABLE_LONG.
---

diff --git a/sys/kern/kern_environment.c b/sys/kern/kern_environment.c
index bd52f12aec..8ad765086f 100644
--- a/sys/kern/kern_environment.c
+++ b/sys/kern/kern_environment.c
@@ -424,6 +424,14 @@ tunable_int_init(void *data)
 	TUNABLE_INT_FETCH(d->path, d->var);
 }
 
+void
+tunable_long_init(void *data)
+{
+	struct tunable_long *d = (struct tunable_long *)data;
+
+	TUNABLE_LONG_FETCH(d->path, d->var);
+}
+
 void
 tunable_quad_init(void *data)
 {
diff --git a/sys/sys/kernel.h b/sys/sys/kernel.h
index 950ededc74..269dda68cc 100644
--- a/sys/sys/kernel.h
+++ b/sys/sys/kernel.h
@@ -309,6 +309,27 @@ struct tunable_int {
 	        tunable_int_init, &__tunable_int_ ## line)
 
 #define	TUNABLE_INT_FETCH(path, var)	kgetenv_int((path), (var))
+
+extern void tunable_long_init(void *);
+
+struct tunable_long {
+	const char *path;
+	long *var;
+};
+#define	TUNABLE_LONG(path, var)					\
+	_TUNABLE_LONG((path), (var), __LINE__)
+#define _TUNABLE_LONG(path, var, line)				\
+	__TUNABLE_LONG((path), (var), line)
+
+#define	__TUNABLE_LONG(path, var, line)				\
+	static struct tunable_long __tunable_long_ ## line = {	\
+		path,						\
+		var,						\
+	};							\
+	SYSINIT(__Tunable_init_ ## line, 			\
+		SI_BOOT1_TUNABLES, SI_ORDER_MIDDLE, 		\
+	        tunable_long_init, &__tunable_long_ ## line)
+
 #define	TUNABLE_LONG_FETCH(path, var)	kgetenv_long((path), (var))
 
 /* Backwards compatibility with the old deprecated TUNABLE_INT_DECL API */