/*
* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_HEADER_START@
*
- * 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.
+ * 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.
*
- * 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
+ * This 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
*
- * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ * @APPLE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1998, 1999 Apple Computer, Inc. All Rights Reserved */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
#define DBG_FNC_SBDROP NETDBG_CODE(DBG_NETSOCK, 4)
#define DBG_FNC_SBAPPEND NETDBG_CODE(DBG_NETSOCK, 5)
-static int sbcompress(struct sockbuf *, struct mbuf *, struct mbuf *);
/*
* Primitive routines for operating on sockets and socket buffers
so->so_pgid = head->so_pgid;
so->so_uid = head->so_uid;
so->so_usecount = 1;
- so->next_lock_lr = 0;
- so->next_unlock_lr = 0;
#ifdef __APPLE__
so->so_rcv.sb_flags |= SB_RECV; /* XXX */
head->so_qlen++;
#ifdef __APPLE__
- /* Attach socket filters for this protocol */
- sflt_initsock(so);
+ /* Attach socket filters for this protocol */
+ sflt_initsock(so);
#endif
if (connstatus) {
so->so_state |= connstatus;
sbwait(sb)
struct sockbuf *sb;
{
- int error = 0, lr_saved;
+ int error = 0, lr, lr_saved;
struct socket *so = sb->sb_so;
lck_mtx_t *mutex_held;
struct timespec ts;
- lr_saved = (unsigned int) __builtin_return_address(0);
+#ifdef __ppc__
+ __asm__ volatile("mflr %0" : "=r" (lr));
+ lr_saved = lr;
+#endif
+
if (so->so_proto->pr_getlock != NULL)
mutex_held = (*so->so_proto->pr_getlock)(so, 0);
else
{
struct socket *so = sb->sb_so;
lck_mtx_t * mutex_held;
- int error = 0;
+ int error = 0, lr, lr_saved;
+
+#ifdef __ppc__
+ __asm__ volatile("mflr %0" : "=r" (lr));
+ lr_saved = lr;
+#endif
if (so == NULL)
panic("sb_lock: null so back pointer sb=%x\n", sb);
mutex_held = so->so_proto->pr_domain->dom_mtx;
if (so->so_usecount < 1)
panic("sb_lock: so=%x refcount=%d\n", so, so->so_usecount);
-
error = msleep((caddr_t)&sb->sb_flags, mutex_held,
(sb->sb_flags & SB_NOINTR) ? PSOCK : PSOCK | PCATCH, "sblock", 0);
if (so->so_usecount < 1)
int
sbappendrecord(sb, m0)
register struct sockbuf *sb;
- struct mbuf *m0;
+ register struct mbuf *m0;
{
register struct mbuf *m;
int result = 0;
int
sblock(struct sockbuf *sb, int wf)
{
- return(sb->sb_flags & SB_LOCK ?
- ((wf == M_WAIT) ? sb_lock(sb) : EWOULDBLOCK) :
- (sb->sb_flags |= SB_LOCK), 0);
+ int error = 0;
+
+ if (sb->sb_flags & SB_LOCK)
+ error = (wf == M_WAIT) ? sb_lock(sb) : EWOULDBLOCK;
+ else
+ sb->sb_flags |= SB_LOCK;
+
+ return (error);
}
/* release lock on sockbuf sb */
sbunlock(struct sockbuf *sb, int keeplocked)
{
struct socket *so = sb->sb_so;
- int lr_saved;
+ int lr, lr_saved;
lck_mtx_t *mutex_held;
-
- lr_saved = (unsigned int) __builtin_return_address(0);
-
+#ifdef __ppc__
+ __asm__ volatile("mflr %0" : "=r" (lr));
+ lr_saved = lr;
+#endif
sb->sb_flags &= ~SB_LOCK;
if (so->so_proto->pr_getlock != NULL)
so->so_usecount--;
if (so->so_usecount < 0)
panic("sbunlock: unlock on exit so=%x lr=%x sb_flags=%x\n", so, so->so_usecount,lr_saved, sb->sb_flags);
- so->unlock_lr[so->next_unlock_lr] = (void *)lr_saved;
- so->next_unlock_lr = (so->next_unlock_lr+1) % SO_LCKDBG_MAX;
+ so->reserved4= lr_saved;
lck_mtx_unlock(mutex_held);
}
}
projects / apple / xnu.git / blobdiff