[src/trunk]: src/sys/kern print a stack trace in the "spinout" case too.

[chs <chs%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/eb747ede7a70
branches:  trunk
changeset: 536399:eb747ede7a70
user:      chs <chs%NetBSD.org@localhost>
date:      Sat Sep 14 21:42:42 2002 +0000

description:
print a stack trace in the "spinout" case too.

diffstat:

 sys/kern/kern_lock.c |  35 ++++++++++++++++++-----------------
 1 files changed, 18 insertions(+), 17 deletions(-)

diffs (70 lines):

diff -r 750be36b8b08 -r eb747ede7a70 sys/kern/kern_lock.c
--- a/sys/kern/kern_lock.c      Sat Sep 14 21:41:24 2002 +0000
+++ b/sys/kern/kern_lock.c      Sat Sep 14 21:42:42 2002 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_lock.c,v 1.62 2002/05/21 01:38:27 thorpej Exp $   */
+/*     $NetBSD: kern_lock.c,v 1.63 2002/09/14 21:42:42 chs Exp $       */
 
 /*-
  * Copyright (c) 1999, 2000 The NetBSD Foundation, Inc.
@@ -80,7 +80,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.62 2002/05/21 01:38:27 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_lock.c,v 1.63 2002/09/14 21:42:42 chs Exp $");
 
 #include "opt_multiprocessor.h"
 #include "opt_lockdebug.h"
@@ -158,6 +158,21 @@
                splx(s);                                                \
 } while (0)
 
+#ifdef DDB /* { */
+#ifdef MULTIPROCESSOR
+int simple_lock_debugger = 1;  /* more serious on MP */
+#else
+int simple_lock_debugger = 0;
+#endif
+#define        SLOCK_DEBUGGER()        if (simple_lock_debugger) Debugger()
+#define        SLOCK_TRACE()                                                   \
+       db_stack_trace_print((db_expr_t)__builtin_frame_address(0),     \
+           TRUE, 65535, "", printf);
+#else
+#define        SLOCK_DEBUGGER()        /* nothing */
+#define        SLOCK_TRACE()           /* nothing */
+#endif /* } */
+
 #if defined(LOCKDEBUG)
 #if defined(DDB)
 #define        SPINLOCK_SPINCHECK_DEBUGGER     Debugger()
@@ -183,6 +198,7 @@
                if (lkp->lk_unlock_file)                                \
                        printf("last unlocked at %s:%d\n",              \
                            lkp->lk_unlock_file, lkp->lk_unlock_line);  \
+               SLOCK_TRACE();                                          \
                SPINLOCK_SPINCHECK_DEBUGGER;                            \
        }                                                               \
 } while (0)
@@ -964,21 +980,6 @@
 #define        SLOCK_COUNT(x)          simple_locks += (x)
 #endif /* MULTIPROCESSOR */ /* } */
 
-#ifdef DDB /* { */
-#ifdef MULTIPROCESSOR
-int simple_lock_debugger = 1;  /* more serious on MP */
-#else
-int simple_lock_debugger = 0;
-#endif
-#define        SLOCK_DEBUGGER()        if (simple_lock_debugger) Debugger()
-#define        SLOCK_TRACE()                                                   \
-       db_stack_trace_print((db_expr_t)__builtin_frame_address(0),     \
-           TRUE, 65535, "", printf);
-#else
-#define        SLOCK_DEBUGGER()        /* nothing */
-#define        SLOCK_TRACE()           /* nothing */
-#endif /* } */
-
 #ifdef MULTIPROCESSOR
 #define SLOCK_MP()             lock_printf("on cpu %ld\n",             \
                                    (u_long) cpu_number())