diff options
Diffstat (limited to 'sys/kern/kern_lock.c')
| -rw-r--r-- | sys/kern/kern_lock.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/sys/kern/kern_lock.c b/sys/kern/kern_lock.c index 0903f6e1e035..e832acff84a2 100644 --- a/sys/kern/kern_lock.c +++ b/sys/kern/kern_lock.c @@ -38,7 +38,7 @@ * SUCH DAMAGE. * * @(#)kern_lock.c 8.18 (Berkeley) 5/21/95 - * $Id: kern_lock.c,v 1.21 1999/01/08 17:31:08 eivind Exp $ + * $Id: kern_lock.c,v 1.22 1999/01/10 01:58:24 eivind Exp $ */ #include "opt_lint.h" @@ -171,11 +171,20 @@ acquire(struct lock *lkp, int extflags, int wanted) { * accepted shared locks and shared-to-exclusive upgrades to go away. */ int +#ifndef DEBUG_LOCKS lockmgr(lkp, flags, interlkp, p) +#else +debuglockmgr(lkp, flags, interlkp, p, name, file, line) +#endif struct lock *lkp; u_int flags; struct simplelock *interlkp; struct proc *p; +#ifdef DEBUG_LOCKS + const char *name; /* Name of lock function */ + const char *file; /* Name of file call is from */ + int line; /* Line number in file */ +#endif { int error; pid_t pid; @@ -283,6 +292,11 @@ lockmgr(lkp, flags, interlkp, p) panic("lockmgr: non-zero exclusive count"); #endif lkp->lk_exclusivecount = 1; +#if defined(DEBUG_LOCKS) + lkp->lk_filename = file; + lkp->lk_lineno = line; + lkp->lk_lockername = name; +#endif COUNT(p, 1); break; } @@ -338,6 +352,11 @@ lockmgr(lkp, flags, interlkp, p) panic("lockmgr: non-zero exclusive count"); #endif lkp->lk_exclusivecount = 1; +#if defined(DEBUG_LOCKS) + lkp->lk_filename = file; + lkp->lk_lineno = line; + lkp->lk_lockername = name; +#endif COUNT(p, 1); break; @@ -383,6 +402,11 @@ lockmgr(lkp, flags, interlkp, p) lkp->lk_flags |= LK_DRAINING | LK_HAVE_EXCL; lkp->lk_lockholder = pid; lkp->lk_exclusivecount = 1; +#if defined(DEBUG_LOCKS) + lkp->lk_filename = file; + lkp->lk_lineno = line; + lkp->lk_lockername = name; +#endif COUNT(p, 1); break; |