| subr_kobj.c (121129) | subr_kobj.c (148811) |
|---|---|
| 1/*- 2 * Copyright (c) 2000,2003 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2000,2003 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 11 unchanged lines hidden (view full) --- 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 */ 26 27#include <sys/cdefs.h> |
| 28__FBSDID("$FreeBSD: head/sys/kern/subr_kobj.c 121129 2003-10-16 09:16:28Z dfr $"); | 28__FBSDID("$FreeBSD: head/sys/kern/subr_kobj.c 148811 2005-08-07 02:20:35Z grehan $"); |
| 29 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/kobj.h> 33#include <sys/lock.h> 34#include <sys/malloc.h> 35#include <sys/mutex.h> 36#include <sys/sysctl.h> --- 15 unchanged lines hidden (view full) --- 52SYSCTL_UINT(_kern, OID_AUTO, kobj_hits, CTLFLAG_RD, 53 &kobj_lookup_hits, 0, ""); 54SYSCTL_UINT(_kern, OID_AUTO, kobj_misses, CTLFLAG_RD, 55 &kobj_lookup_misses, 0, ""); 56 57#endif 58 59static struct mtx kobj_mtx; | 29 30#include <sys/param.h> 31#include <sys/kernel.h> 32#include <sys/kobj.h> 33#include <sys/lock.h> 34#include <sys/malloc.h> 35#include <sys/mutex.h> 36#include <sys/sysctl.h> --- 15 unchanged lines hidden (view full) --- 52SYSCTL_UINT(_kern, OID_AUTO, kobj_hits, CTLFLAG_RD, 53 &kobj_lookup_hits, 0, ""); 54SYSCTL_UINT(_kern, OID_AUTO, kobj_misses, CTLFLAG_RD, 55 &kobj_lookup_misses, 0, ""); 56 57#endif 58 59static struct mtx kobj_mtx; |
| 60static int kobj_mutex_inited; |
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| 60static int kobj_next_id = 1; 61 62SYSCTL_UINT(_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD, 63 &kobj_next_id, 0, ""); 64 65static void 66kobj_init_mutex(void *arg) 67{ | 61static int kobj_next_id = 1; 62 63SYSCTL_UINT(_kern, OID_AUTO, kobj_methodcount, CTLFLAG_RD, 64 &kobj_next_id, 0, ""); 65 66static void 67kobj_init_mutex(void *arg) 68{ |
| 68 69 mtx_init(&kobj_mtx, "kobj", NULL, MTX_DEF); | 69 if (!kobj_mutex_inited) { 70 mtx_init(&kobj_mtx, "kobj", NULL, MTX_DEF); 71 kobj_mutex_inited = 1; 72 } |
| 70} 71 72SYSINIT(kobj, SI_SUB_LOCK, SI_ORDER_ANY, kobj_init_mutex, NULL); 73 | 73} 74 75SYSINIT(kobj, SI_SUB_LOCK, SI_ORDER_ANY, kobj_init_mutex, NULL); 76 |
| 77void 78kobj_machdep_init(void) 79{ 80 kobj_init_mutex(NULL); 81} 82 |
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| 74/* 75 * This method structure is used to initialise new caches. Since the 76 * desc pointer is NULL, it is guaranteed never to match any read 77 * descriptors. 78 */ 79static struct kobj_method null_method = { 80 0, 0, 81}; --- 262 unchanged lines hidden --- | 83/* 84 * This method structure is used to initialise new caches. Since the 85 * desc pointer is NULL, it is guaranteed never to match any read 86 * descriptors. 87 */ 88static struct kobj_method null_method = { 89 0, 0, 90}; --- 262 unchanged lines hidden --- |