xnu-792.13.8.tar.gz

[apple/xnu.git] / bsd / netinet / raw_ip.c

diff --git a/bsd/netinet/raw_ip.c b/bsd/netinet/raw_ip.c
index c96397f15564e3f1d2341da63c4924054576f63e..175962478c618b86018a89b942fc0641b642652c 100644 (file)
--- a/bsd/netinet/raw_ip.c
+++ b/bsd/netinet/raw_ip.c
@@ -1,6 +1,6 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All Rights Reserved.
- * 
+ * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ *
  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
  * This file contains Original Code and/or Modifications of Original Code 
@@ -152,7 +152,6 @@ rip_init()
         * allocate lock group attribute and group for udp pcb mutexes
         */
        pcbinfo->mtx_grp_attr = lck_grp_attr_alloc_init();
-       lck_grp_attr_setdefault(pcbinfo->mtx_grp_attr);
 
        pcbinfo->mtx_grp = lck_grp_alloc_init("ripcb", pcbinfo->mtx_grp_attr);
                
@@ -160,7 +159,6 @@ rip_init()
         * allocate the lock attribute for udp pcb mutexes
         */
        pcbinfo->mtx_attr = lck_attr_alloc_init();
-       lck_attr_setdefault(pcbinfo->mtx_attr);
 
        if ((pcbinfo->mtx = lck_rw_alloc_init(pcbinfo->mtx_grp, pcbinfo->mtx_attr)) == NULL)
                return; /* pretty much dead if this fails... */
@@ -744,22 +742,25 @@ rip_send(struct socket *so, int flags, struct mbuf *m, struct sockaddr *nam,
        return rip_output(m, so, dst);
 }
 
+/* note: rip_unlock is called from different protos  instead of the generic socket_unlock,
+ * it will handle the socket dealloc on last reference 
+ * */
 int
 rip_unlock(struct socket *so, int refcount, int debug)
 {
        int lr_saved;
        struct inpcb *inp = sotoinpcb(so);
-#ifdef __ppc__
-       if (debug == 0) {
-               __asm__ volatile("mflr %0" : "=r" (lr_saved));
-       }
+
+       if (debug == 0) 
+               lr_saved = (unsigned int) __builtin_return_address(0);
        else lr_saved = debug;
-#endif
+
        if (refcount) {
                if (so->so_usecount <= 0)
                        panic("rip_unlock: bad refoucnt so=%x val=%x\n", so, so->so_usecount);
                so->so_usecount--;
                if (so->so_usecount == 0 && (inp->inp_wantcnt == WNT_STOPUSING)) {
+                       /* cleanup after last reference */
                        lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
                        lck_rw_lock_exclusive(ripcbinfo.mtx);
                        in_pcbdispose(inp);
@@ -767,6 +768,8 @@ rip_unlock(struct socket *so, int refcount, int debug)
                        return(0);
                }
        }
+       so->unlock_lr[so->next_unlock_lr] = (u_int *)lr_saved;
+       so->next_unlock_lr = (so->next_unlock_lr+1) % SO_LCKDBG_MAX;
        lck_mtx_unlock(so->so_proto->pr_domain->dom_mtx);
        return(0);
 }