From 7d26b6a450216fab759b9ce9d5237de9b8e32029 Mon Sep 17 00:00:00 2001
From: Alfred Perlstein <alfred@FreeBSD.org>
Date: Fri, 13 Apr 2001 08:07:37 +0000
Subject: [PATCH] Use a macro wrapper over printf along with KASSERT to reduce
 the amount of code here.

---
 sys/vm/vm_map.h | 55 ++++++++++++++-----------------------------------
 1 file changed, 15 insertions(+), 40 deletions(-)

diff --git a/sys/vm/vm_map.h b/sys/vm/vm_map.h
index d52d2d89bc64..caf7e8df0969 100644
--- a/sys/vm/vm_map.h
+++ b/sys/vm/vm_map.h
@@ -212,65 +212,44 @@ struct vmspace {
 		(map)->timestamp++; \
 	} while(0)
 
-#ifdef DIAGNOSTIC
 /* #define MAP_LOCK_DIAGNOSTIC 1 */
 #ifdef MAP_LOCK_DIAGNOSTIC
-#define	vm_map_lock(map) \
-	do { \
-		printf ("locking map LK_EXCLUSIVE: 0x%x\n", map); \
-		if (lockmgr(&(map)->lock, LK_EXCLUSIVE, (void *)0, curproc) != 0) { \
-			panic("vm_map_lock: failed to get lock"); \
-		} \
-		(map)->timestamp++; \
-	} while(0)
+#define vm_map_printf(str, arg)	printf(str,arg)
 #else
-#define	vm_map_lock(map) \
-	do { \
-		if (lockmgr(&(map)->lock, LK_EXCLUSIVE, (void *)0, curproc) != 0) { \
-			panic("vm_map_lock: failed to get lock"); \
-		} \
-		(map)->timestamp++; \
-	} while(0)
+#define vm_map_printf(str, arg)
 #endif
-#else
+
 #define	vm_map_lock(map) \
 	do { \
-		lockmgr(&(map)->lock, LK_EXCLUSIVE, (void *)0, curproc); \
+		vm_map_printf("locking map LK_EXCLUSIVE: 0x%x\n", map); \
+		KASSERT(lockmgr(&(map)->lock, LK_EXCLUSIVE, (void *)0, curproc) == 0, \
+			("vm_map_lock: failed to get lock")); \
 		(map)->timestamp++; \
 	} while(0)
-#endif /* DIAGNOSTIC */
 
-#if defined(MAP_LOCK_DIAGNOSTIC)
 #define	vm_map_unlock(map) \
 	do { \
-		printf ("locking map LK_RELEASE: 0x%x\n", map); \
+		vm_map_printf("locking map LK_RELEASE: 0x%x\n", map); \
 		lockmgr(&(map)->lock, LK_RELEASE, (void *)0, curproc); \
 	} while (0)
+
 #define	vm_map_lock_read(map) \
 	do { \
-		printf ("locking map LK_SHARED: 0x%x\n", map); \
+		vm_map_printf("locking map LK_SHARED: 0x%x\n", map); \
 		lockmgr(&(map)->lock, LK_SHARED, (void *)0, curproc); \
 	} while (0)
+
 #define	vm_map_unlock_read(map) \
 	do { \
-		printf ("locking map LK_RELEASE: 0x%x\n", map); \
+		vm_map_printf("locking map LK_RELEASE: 0x%x\n", map); \
 		lockmgr(&(map)->lock, LK_RELEASE, (void *)0, curproc); \
 	} while (0)
-#else
-#define	vm_map_unlock(map) \
-	lockmgr(&(map)->lock, LK_RELEASE, (void *)0, curproc)
-#define	vm_map_lock_read(map) \
-	lockmgr(&(map)->lock, LK_SHARED, (void *)0, curproc) 
-#define	vm_map_unlock_read(map) \
-	lockmgr(&(map)->lock, LK_RELEASE, (void *)0, curproc)
-#endif
 
 static __inline__ int
 _vm_map_lock_upgrade(vm_map_t map, struct proc *p) {
 	int error;
-#if defined(MAP_LOCK_DIAGNOSTIC)
-	printf("locking map LK_EXCLUPGRADE: 0x%x\n", map); 
-#endif
+
+	vm_map_printf("locking map LK_EXCLUPGRADE: 0x%x\n", map); 
 	error = lockmgr(&map->lock, LK_EXCLUPGRADE, (void *)0, p);
 	if (error == 0)
 		map->timestamp++;
@@ -279,16 +258,11 @@ _vm_map_lock_upgrade(vm_map_t map, struct proc *p) {
 
 #define vm_map_lock_upgrade(map) _vm_map_lock_upgrade(map, curproc)
 
-#if defined(MAP_LOCK_DIAGNOSTIC)
 #define vm_map_lock_downgrade(map) \
 	do { \
-		printf ("locking map LK_DOWNGRADE: 0x%x\n", map); \
+		vm_map_printf("locking map LK_DOWNGRADE: 0x%x\n", map); \
 		lockmgr(&(map)->lock, LK_DOWNGRADE, (void *)0, curproc); \
 	} while (0)
-#else
-#define vm_map_lock_downgrade(map) \
-	lockmgr(&(map)->lock, LK_DOWNGRADE, (void *)0, curproc)
-#endif
 
 #define vm_map_set_recursive(map) \
 	do { \
@@ -296,6 +270,7 @@ _vm_map_lock_upgrade(vm_map_t map, struct proc *p) {
 		(map)->lock.lk_flags |= LK_CANRECURSE; \
 		mtx_unlock((map)->lock.lk_interlock); \
 	} while(0)
+
 #define vm_map_clear_recursive(map) \
 	do { \
 		mtx_lock((map)->lock.lk_interlock); \