X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..b7266188b87f3620ec3f9f717e57194a7dd989fe:/osfmk/ppc/locks.h

diff --git a/osfmk/ppc/locks.h b/osfmk/ppc/locks.h
index 1e7964aab..639a820a8 100644
--- a/osfmk/ppc/locks.h
+++ b/osfmk/ppc/locks.h
@@ -113,10 +113,11 @@ typedef struct {
 } lck_mtx_stat_t;
 
 typedef struct _lck_mtx_ext_ {
-	lck_mtx_t			lck_mtx;
+	lck_mtx_t		lck_mtx;
 	struct _lck_grp_	*lck_mtx_grp;
 	unsigned int		lck_mtx_attr;
 	lck_mtx_deb_t		lck_mtx_deb;
+	/* Unused on PowerPC */
 	lck_mtx_stat_t		lck_mtx_stat;
 } lck_mtx_ext_t;
 
@@ -130,8 +131,13 @@ typedef struct _lck_mtx_ext_ {
 typedef struct {
     unsigned int   		 opaque[3];
 } lck_mtx_t;
+
+typedef struct {
+    unsigned int   		 opaque[16];
+} lck_mtx_ext_t;
 #else
-typedef struct __lck_mtx_t__	lck_mtx_t;
+typedef struct __lck_mtx_t__		lck_mtx_t;
+typedef struct __lck_mtx_ext_t__	lck_mtx_ext_t;
 #endif
 #endif
 
@@ -140,7 +146,8 @@ typedef struct {
 	union {
 		struct {
 			unsigned int			lck_rwd_shared_cnt:16,	/* No. of shared granted request */
-									lck_rwd_pad16:12,		/* padding */
+									lck_rwd_priv_excl:1,	/* priority for Writer */
+									lck_rwd_pad17:11,		/* padding */
 									lck_rwd_want_excl:1,	/* Writer is waiting, or locked for write */
 									lck_rwd_want_upgrade:1,	/* Read-to-write upgrade waiting */
 									lck_rwd_waiting:1,		/* Someone is sleeping on lock */
@@ -160,6 +167,7 @@ typedef struct {
 #define	lck_rw_want_upgrade		lck_rw_sw.lck_rwd.lck_rwd_want_upgrade
 #define	lck_rw_want_excl		lck_rw_sw.lck_rwd.lck_rwd_want_excl
 #define	lck_rw_waiting			lck_rw_sw.lck_rwd.lck_rwd_waiting
+#define	lck_rw_priv_excl		lck_rw_sw.lck_rwd.lck_rwd_priv_excl
 #define	lck_rw_shared_cnt		lck_rw_sw.lck_rwd.lck_rwd_shared_cnt
 
 #define lck_rw_tag				lck_rw_sw.lck_rwi.lck_rwi_tag
@@ -180,7 +188,7 @@ typedef struct {
 } lck_rw_stat_t;
 
 typedef struct _lck_rw_ext_ {
-	lck_rw_t			lck_rw;
+	lck_rw_t		lck_rw;
 	struct _lck_grp_	*lck_rw_grp;
 	unsigned int		lck_rw_attr;
 	lck_rw_deb_t		lck_rw_deb;