X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/8f6c56a50524aa785f7e596d52dddfb331e18961..c910b4d9d2451126ae3917b931cd4390c11e1d52:/osfmk/kern/lock.h?ds=sidebyside

diff --git a/osfmk/kern/lock.h b/osfmk/kern/lock.h
index c1b07bde5..eb5ed024e 100644
--- a/osfmk/kern/lock.h
+++ b/osfmk/kern/lock.h
@@ -85,6 +85,21 @@ extern void			mutex_init(
 						mutex_t		*mutex,
 						unsigned short	tag);
 
+#ifdef i386
+extern void			mutex_try_spin(
+						mutex_t		*mutex);
+
+extern void			mutex_lock_spin(
+						mutex_t		*mutex);
+
+extern void			mutex_convert_spin(
+						mutex_t		*mutex);
+#else
+#define	mutex_try_spin(l)	mutex_try(l)
+#define	mutex_lock_spin(l)	mutex_lock(l)
+#define	mutex_convert_spin(l)	do {} while (0)
+#endif
+
 #endif	/* MACH_KERNEL_PRIVATE */
 
 extern mutex_t		*mutex_alloc(
@@ -102,7 +117,8 @@ extern void			mutex_unlock(
 extern boolean_t	mutex_try(
 						mutex_t		*mutex);
 
-extern void			mutex_pause(void);
+extern void			mutex_pause(uint32_t);
+extern void			mutex_yield(mutex_t *);
 
 #define MA_OWNED        0x01
 #define MA_NOTOWNED     0x02