/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Modified for MP, 1996 by Tuyen Nguyen */
/*
#define TRPS_PER_BLK 16
gbuf_t *atp_resource_m = 0;
-extern atlock_t atpgen_lock;
extern caddr_t atp_free_cluster_list;
-extern void atp_delete_free_clusters();
+extern struct atp_rcb_qhead atp_need_rel;
+
struct atp_trans *atp_trans_alloc(atp)
struct atp_state *atp;
{
- int s;
int i;
gbuf_t *m;
register struct atp_trans *trp, *trp_array;
- ATDISABLE(s, atpgen_lock);
if (atp_trans_free_list == 0) {
- ATENABLE(s, atpgen_lock);
- if ((m = gbuf_alloc(TRPS_PER_BLK*sizeof(struct atp_trans),PRI_HI)) == 0)
+ if ((m = gbuf_alloc_wait(TRPS_PER_BLK*sizeof(struct atp_trans),
+ atp == NULL)) == 0)
return (struct atp_trans *)0;
bzero(gbuf_rptr(m), TRPS_PER_BLK*sizeof(struct atp_trans));
trp_array = (struct atp_trans *)gbuf_rptr(m);
for (i=0; i < TRPS_PER_BLK-1; i++)
trp_array[i].tr_list.next = (struct atp_trans *)&trp_array[i+1];
- ATDISABLE(s, atpgen_lock);
gbuf_cont(m) = atp_resource_m;
atp_resource_m = m;
trp_array[i].tr_list.next = atp_trans_free_list;
trp = atp_trans_free_list;
atp_trans_free_list = trp->tr_list.next;
- ATENABLE(s, atpgen_lock);
trp->tr_queue = atp;
trp->tr_state = TRANS_TIMEOUT;
trp->tr_local_node = 0;
- ATLOCKINIT(trp->tr_lock);
ATEVENTINIT(trp->tr_event);
dPrintf(D_M_ATP_LOW, D_L_TRACE,
void atp_trans_free(trp)
register struct atp_trans *trp;
{
- int s;
- ATDISABLE(s, atpgen_lock);
trp->tr_queue = 0;
trp->tr_list.next = atp_trans_free_list;
atp_trans_free_list = trp;
- ATENABLE(s, atpgen_lock);
}
/*
struct atp_state *atp;
{
register struct atp_rcb *rcbp;
- int s;
- ATDISABLE(s, atpgen_lock);
if ((rcbp = atp_rcb_free_list) != NULL) {
atp_rcb_free_list = rcbp->rc_list.next;
rcbp->rc_queue = atp;
rcbp->rc_pktcnt = 0;
rcbp->rc_local_node = 0;
}
- ATENABLE(s, atpgen_lock);
dPrintf(D_M_ATP_LOW, D_L_TRACE,
("atp_rcb_alloc: allocated rcbp 0x%x\n", (u_int) rcbp));
return(rcbp);
register struct atp_state *atp;
register int i;
register int rc_state;
- int s;
dPrintf(D_M_ATP_LOW, D_L_TRACE,
("atp_rcb_free: freeing rcbp 0x%x\n", (u_int) rcbp));
- ATDISABLE(s, atpgen_lock);
atp = rcbp->rc_queue;
if ((rc_state = rcbp->rc_state) == -1) {
- ATENABLE(s, atpgen_lock);
dPrintf(D_M_ATP, D_L_WARNING,
("atp_rcb_free(%d): tid=%d,loc=%d,rem=%d\n",
0, rcbp->rc_tid,
rcbp->rc_queue = 0;
if (rcbp->rc_timestamp) {
- extern struct atp_rcb_qhead atp_need_rel;
-
rcbp->rc_timestamp = 0;
ATP_Q_REMOVE(atp_need_rel, rcbp, rc_tlist);
rcbp->rc_tlist.prev = NULL;
rcbp->rc_snd[i] = 0;
}
if (atp_free_cluster_list)
- atp_delete_free_clusters();
+ atp_delete_free_clusters(NULL);
if (rc_state != RCB_UNQUEUED) {
if (rc_state == RCB_PENDING) {
ATP_Q_REMOVE(atp->atp_attached, rcbp, rc_list);
}
rcbp->rc_list.next = atp_rcb_free_list;
atp_rcb_free_list = rcbp;
- ATENABLE(s, atpgen_lock);
}