diff options
Diffstat (limited to 'sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c')
| -rw-r--r-- | sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c index b52e729..fbe7b61 100644 --- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c +++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/unique.c @@ -19,7 +19,7 @@ * CDDL HEADER END */ /* - * Copyright 2006 Sun Microsystems, Inc. All rights reserved. + * Copyright 2007 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ @@ -30,8 +30,7 @@ #include <sys/unique.h> static avl_tree_t unique_avl; -static kmutex_t unique_mtx; /* Lock never initialized. */ -SX_SYSINIT(unique, &unique_mtx, "unique lock"); +static kmutex_t unique_mtx; typedef struct unique { avl_node_t un_link; @@ -58,12 +57,22 @@ unique_init(void) { avl_create(&unique_avl, unique_compare, sizeof (unique_t), offsetof(unique_t, un_link)); + mutex_init(&unique_mtx, NULL, MUTEX_DEFAULT, NULL); +} + +void +unique_fini(void) +{ + avl_destroy(&unique_avl); + mutex_destroy(&unique_mtx); } uint64_t unique_create(void) { - return (unique_insert(0)); + uint64_t value = unique_insert(0); + unique_remove(value); + return (value); } uint64_t |
