xnu-792.25.20.tar.gz

[apple/xnu.git] / osfmk / ppc / locks.h

diff --git a/osfmk/ppc/locks.h b/osfmk/ppc/locks.h
index ab878b6d432ce4b497ca523b5ba1903e5a57a74c..d8fa8a14a7ce02d2eb470e1b66a2a0c093ff90e7 100644 (file)
--- a/osfmk/ppc/locks.h
+++ b/osfmk/ppc/locks.h
@@ -134,7 +134,8 @@ 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 */
@@ -154,6 +155,7 @@ 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