[rtems-libbsd commit] Added rtems_bsd_thread0_ucred as a single global ucred.

[Jennifer Averett]

Module:    rtems-libbsd
Branch:    master
Commit:    73a88812687f949d24f3a0c66227551cf18940df
Changeset: http://git.rtems.org/rtems-libbsd/commit/?id=73a88812687f949d24f3a0c66227551cf18940df

Author:    Jennifer Averett <jennifer.averett at oarcorp.com>
Date:      Tue May  1 13:52:03 2012 -0500

Added rtems_bsd_thread0_ucred as a single global ucred.

---

 freebsd/kern/init_main.c       |    9 +++++++++
 freebsd/netinet/tcp_syncache.c |   11 +++++++++++
 freebsd/sys/proc.h             |    4 ++++
 3 files changed, 24 insertions(+), 0 deletions(-)

diff --git a/freebsd/kern/init_main.c b/freebsd/kern/init_main.c
index 540e0cb..8ae8a71 100644
--- a/freebsd/kern/init_main.c
+++ b/freebsd/kern/init_main.c
@@ -118,6 +118,8 @@ SYSINIT(placeholder, SI_SUB_DUMMY, SI_ORDER_ANY, NULL, NULL);
  * The sysinit table itself.  Items are checked off as the are run.
  * If we want to register new sysinit types, add them to newsysinit.
  */
+#else  /* __rtems__ */
+struct ucred *rtems_bsd_thread0_ucred;
 #endif /* __rtems__ */
 SET_DECLARE(sysinit_set, struct sysinit);
 #ifndef __rtems__
@@ -191,6 +193,13 @@ mi_startup(void)
 #ifndef __rtems__
 	if (boothowto & RB_VERBOSE)
 		bootverbose++;
+#else  /* __rtems__ */
+	rtems_bsd_thread0_ucred = crget();
+	rtems_bsd_thread0_ucred->cr_ngroups = 1;	/* group 0 */
+	rtems_bsd_thread0_ucred->cr_uidinfo = uifind(0);
+	rtems_bsd_thread0_ucred = uifind(0);
+	rtems_bsd_thread0_ucred->cr_prison = &prison0;
+
 #endif /* __rtems__ */
 
 	if (sysinit == NULL) {
diff --git a/freebsd/netinet/tcp_syncache.c b/freebsd/netinet/tcp_syncache.c
index 17ff3fa..78790cc 100644
--- a/freebsd/netinet/tcp_syncache.c
+++ b/freebsd/netinet/tcp_syncache.c
@@ -730,8 +730,13 @@ syncache_socket(struct syncache *sc, struct socket *lso, struct mbuf *m)
 		laddr6 = inp->in6p_laddr;
 		if (IN6_IS_ADDR_UNSPECIFIED(&inp->in6p_laddr))
 			inp->in6p_laddr = sc->sc_inc.inc6_laddr;
+#ifndef __rtems__
 		if ((error = in6_pcbconnect(inp, (struct sockaddr *)&sin6,
 		    thread0.td_ucred)) != 0) {
+#else  /*  __rtems__ */
+		if ((error = in6_pcbconnect(inp, (struct sockaddr *)&sin6,
+		    rtems_bsd_thread0_ucred)) != 0) {
+#endif  /*  __rtems__ */
 			inp->in6p_laddr = laddr6;
 			if ((s = tcp_log_addrs(&sc->sc_inc, NULL, NULL, NULL))) {
 				log(LOG_DEBUG, "%s; %s: in6_pcbconnect failed "
@@ -765,8 +770,14 @@ syncache_socket(struct syncache *sc, struct socket *lso, struct mbuf *m)
 		laddr = inp->inp_laddr;
 		if (inp->inp_laddr.s_addr == INADDR_ANY)
 			inp->inp_laddr = sc->sc_inc.inc_laddr;
+#ifndef __rtems__
 		if ((error = in_pcbconnect(inp, (struct sockaddr *)&sin,
 		    thread0.td_ucred)) != 0) {
+#else  /*  __rtems__ */
+		if ((error = in_pcbconnect(inp, (struct sockaddr *)&sin,
+		    rtems_bsd_thread0_ucred)) != 0) {
+#endif  /*  __rtems__ */
+
 			inp->inp_laddr = laddr;
 			if ((s = tcp_log_addrs(&sc->sc_inc, NULL, NULL, NULL))) {
 				log(LOG_DEBUG, "%s; %s: in_pcbconnect failed "
diff --git a/freebsd/sys/proc.h b/freebsd/sys/proc.h
index ebbffd7..39ddd78 100644
--- a/freebsd/sys/proc.h
+++ b/freebsd/sys/proc.h
@@ -796,7 +796,11 @@ extern struct sx allproc_lock;
 extern struct sx proctree_lock;
 extern struct mtx ppeers_lock;
 extern struct proc proc0;		/* Process slot for swapper. */
+#ifndef __rtems__
 extern struct thread thread0;		/* Primary thread in proc0. */
+#else  /*  __rtems__ */
+extern struct ucred *rtems_bsd_thread0_ucred;
+#endif  /*  __rtems__ */
 extern struct vmspace vmspace0;		/* VM space for proc0. */
 extern int hogticks;			/* Limit on kernel cpu hogs. */
 extern int lastpid;