*/
#ifndef _SYS_LOCKSTAT_H
-#define _SYS_LOCKSTAT_H
-#endif
-
-/* #pragma ident "@(#)lockstat.h 1.6 05/06/08 SMI" */
+#define _SYS_LOCKSTAT_H
-#ifdef __cplusplus
+#ifdef __cplusplus
extern "C" {
#endif
-/*
- * Spin locks - we have less variants
- */
-#define LS_LCK_SPIN_LOCK_ACQUIRE 0
-#define LS_LCK_SPIN_LOCK_SPIN 1
-#define LS_LCK_SPIN_UNLOCK_RELEASE 2
-/*
- * Mutexes can also have interlock-spin events, which are
- * unique to our lock implementation.
- */
-#define LS_LCK_MTX_LOCK_ACQUIRE 3
-#define LS_LCK_MTX_LOCK_BLOCK 5
-#define LS_LCK_MTX_LOCK_SPIN 6
-#define LS_LCK_MTX_LOCK_ILK_SPIN 7
-#define LS_LCK_MTX_TRY_LOCK_ACQUIRE 8
-#define LS_LCK_MTX_TRY_SPIN_LOCK_ACQUIRE 9
-#define LS_LCK_MTX_UNLOCK_RELEASE 10
-/*
- * Although theoretically deprecated, there's still lots of uses of mutex_lock() style locks.
- * Block and spin events share code with lck_mtx_lock() and friends, so we only need events
- * for the acquire and release events.
- */
-#define LS_MUTEX_LOCK_ACQUIRE 11
-#define LS_MUTEX_TRY_LOCK_ACQUIRE 12
-#define LS_MUTEX_TRY_SPIN_ACQUIRE 13
-#define LS_MUTEX_UNLOCK_RELEASE 14
-#define LS_MUTEX_LOCK_SPIN_ACQUIRE 15
-
-#define LS_MUTEX_CONVERT_SPIN_ACQUIRE 16
-/*
- * Provide a parallel set for indirect mutexes
- */
-#define LS_LCK_MTX_EXT_LOCK_ACQUIRE 17
-#define LS_LCK_MTX_EXT_LOCK_BLOCK 18
-#define LS_LCK_MTX_EXT_LOCK_SPIN 19
-#define LS_LCK_MTX_EXT_LOCK_ILK_SPIN 20
-#define LS_LCK_MTX_TRY_EXT_LOCK_ACQUIRE 21
-#define LS_LCK_MTX_EXT_UNLOCK_RELEASE 22
-/*
- * Our reader-writer locks support a blocking upgrade primitive, as
- * well as the possibility of spinning on the interlock.
- */
-#define LS_LCK_RW_LOCK_SHARED_ACQUIRE 23
-#define LS_LCK_RW_LOCK_SHARED_BLOCK 24
-#define LS_LCK_RW_LOCK_SHARED_SPIN 25
-
-#define LS_LCK_RW_LOCK_EXCL_ACQUIRE 26
-#define LS_LCK_RW_LOCK_EXCL_BLOCK 27
-#define LS_LCK_RW_LOCK_EXCL_SPIN 28
-
-#define LS_LCK_RW_DONE_RELEASE 29
-
-#define LS_LCK_RW_TRY_LOCK_SHARED_ACQUIRE 30
-#define LS_LCK_RW_TRY_LOCK_SHARED_SPIN 31
-
-#define LS_LCK_RW_TRY_LOCK_EXCL_ACQUIRE 32
-#define LS_LCK_RW_TRY_LOCK_EXCL_ILK_SPIN 33
-
-#define LS_LCK_RW_LOCK_SHARED_TO_EXCL_UPGRADE 34
-#define LS_LCK_RW_LOCK_SHARED_TO_EXCL_SPIN 35
-#define LS_LCK_RW_LOCK_SHARED_TO_EXCL_BLOCK 36
-
-#define LS_LCK_RW_LOCK_EXCL_TO_SHARED_DOWNGRADE 37
-#define LS_LCK_RW_LOCK_EXCL_TO_SHARED_ILK_SPIN 38
-
-#define LS_NPROBES 39
-
/*
* Name the various locking functions...
*/
-#define LS_LCK_MTX_LOCK "lck_mtx_lock"
-#define LS_LCK_MTX_SPIN_LOCK "lck_mtx_spin_lock"
-#define LS_LCK_MTX_UNLOCK "lck_mtx_unlock"
-#define LS_LCK_MTX_TRY_LOCK "lck_mtx_try_lock"
-#define LS_LCK_MTX_TRY_SPIN_LOCK "lck_mtx_try_spin_lock"
-#define LS_LCK_MTX_EXT_LOCK "lck_mtx_ext_lock"
-#define LS_LCK_MTX_EXT_UNLOCK "lck_mtx_ext_unlock"
-#define LS_LCK_MTX_EXT_TRY_LOCK "lck_mtx_ext_try_lock"
-#define LS_MUTEX_CONVERT_SPIN "mutex_convert_spin"
-#define LS_MUTEX_LOCK "mutex_lock"
-#define LS_MUTEX_UNLOCK "mutex_unlock"
-#define LS_MUTEX_TRY_LOCK "mutex_try_lock"
-#define LS_MUTEX_TRY_SPIN "mutex_try_spin"
-#define LS_MUTEX_LOCK_SPIN "mutex_lock_spin"
-#define LS_LCK_SPIN_LOCK "lck_spin_lock"
-#define LS_LCK_SPIN_TRY_LOCK "lck_spin_try_lock"
-#define LS_LCK_SPIN_UNLOCK "lck_spin_unlock"
-#define LS_LCK_RW_LOCK_SHARED "lck_rw_lock_shared"
-#define LS_LCK_RW_LOCK_EXCL "lck_rw_lock_exclusive"
-#define LS_LCK_RW_DONE "lck_rw_done"
-#define LS_LCK_RW_TRY_LOCK_EXCL "lck_rw_try_lock_exclusive"
-#define LS_LCK_RW_TRY_LOCK_SHARED "lck_rw_try_lock_shared"
-#define LS_LCK_RW_LOCK_SHARED_TO_EXCL "lck_rw_shared_to_exclusive"
-#define LS_LCK_RW_LOCK_EXCL_TO_SHARED "lck_rw_exclusive_to_shared"
-
-#define LS_ACQUIRE "acquire"
-#define LS_RELEASE "release"
-#define LS_SPIN "spin"
-#define LS_BLOCK "block"
-#define LS_UPGRADE "upgrade"
-#define LS_DOWNGRADE "downgrade"
-
-#define LS_TYPE_ADAPTIVE "adaptive"
-#define LS_TYPE_SPIN "spin"
-#define LS_TYPE_ILK "interlock" /* OS X only */
-#define LS_TYPE_THREAD "thread" /* Solaris only */
-#define LS_TYPE_RW "rw"
-#define LS_TYPE_RWUPGRADE "rwupgrade" /* OS X only */
-
-#define LSA_ACQUIRE (LS_TYPE_ADAPTIVE "-" LS_ACQUIRE)
-#define LSA_RELEASE (LS_TYPE_ADAPTIVE "-" LS_RELEASE)
-#define LSA_SPIN (LS_TYPE_ADAPTIVE "-" LS_SPIN)
-#define LSA_BLOCK (LS_TYPE_ADAPTIVE "-" LS_BLOCK)
-#define LSA_ILK_SPIN (LS_TYPE_ILK "-" LS_SPIN)
-#define LSS_ACQUIRE (LS_TYPE_SPIN "-" LS_ACQUIRE)
-#define LSS_RELEASE (LS_TYPE_SPIN "-" LS_RELEASE)
-#define LSS_SPIN (LS_TYPE_SPIN "-" LS_SPIN)
-#define LSR_ACQUIRE (LS_TYPE_RW "-" LS_ACQUIRE)
-#define LSR_RELEASE (LS_TYPE_RW "-" LS_RELEASE)
-#define LSR_BLOCK (LS_TYPE_RW "-" LS_BLOCK)
-#define LSR_SPIN (LS_TYPE_RW "-" LS_SPIN)
-#define LSR_UPGRADE (LS_TYPE_RW "-" LS_UPGRADE)
-#define LSR_UPGRADE_BLOCK (LS_TYPE_RWUPGRADE "-" LS_BLOCK)
-#define LSR_DOWNGRADE (LS_TYPE_RW "-" LS_DOWNGRADE)
-#define LST_SPIN (LS_TYPE_THREAD "-" LS_SPIN)
-
-#ifndef _ASM
-
-#include <stdint.h>
-#ifdef KERNEL
-
-#ifndef _KERNEL
-#define _KERNEL /* Solaris vs. Darwin */
-#endif
-
-/*
- * Platform-independent kernel support for the lockstat driver.
- */
-#if defined(NEED_DTRACE_DEFS)
-typedef uint32_t dtrace_id_t; /* probe identifier - also in dtrace.h! */
-typedef uint64_t u_longlong_t; /* also in dtrace.h! */
-#endif
-
-extern dtrace_id_t lockstat_probemap[LS_NPROBES];
-extern void (*lockstat_probe)(dtrace_id_t, uint64_t, uint64_t,
- uint64_t, uint64_t, uint64_t);
-
-
-#ifdef _KERNEL
-
-#if CONFIG_DTRACE
-extern int lockstat_depth(void);
-extern void lockstat_hot_patch(boolean_t);
-
-/*
- * Macros to record lockstat probes.
- */
-#define LOCKSTAT_RECORD4(probe, lp, arg0, arg1, arg2, arg3) \
- { \
- dtrace_id_t id; \
- if ((id = lockstat_probemap[(probe)])) { \
- (*lockstat_probe)(id, (uintptr_t)(lp), (arg0), \
- (arg1), (arg2), (arg3)); \
- } \
- }
-
-#define LOCKSTAT_RECORD2(probe, lp, arg1, arg2) \
- LOCKSTAT_RECORD4(probe, lp, arg1, arg2, 0, 0)
-
-#define LOCKSTAT_RECORD(probe, lp, arg) \
- LOCKSTAT_RECORD4(probe, lp, arg, 0, 0, 0)
-
-#define LOCKSTAT_RECORD0(probe, lp) \
- LOCKSTAT_RECORD4(probe, lp, 0, 0, 0, 0)
-#else
- /* No Lockstat provider */
-
-#define LOCKSTAT_RECORD()
-#define LOCKSTAT_RECORD0()
-#define LOCKSTAT_RECORD2()
-#define LOCKSTAT_RECORD4()
-
-#endif /* !CONFIG_DTRACE */
-
-#endif /* _KERNEL */
-
-#endif /* _ASM */
-
-#ifdef __cplusplus
+#define LS_LCK_MTX_LOCK "lck_mtx_lock"
+#define LS_LCK_MTX_SPIN_LOCK "lck_mtx_spin_lock"
+#define LS_LCK_MTX_UNLOCK "lck_mtx_unlock"
+#define LS_LCK_MTX_TRY_LOCK "lck_mtx_try_lock"
+#define LS_LCK_MTX_TRY_SPIN_LOCK "lck_mtx_try_spin_lock"
+#define LS_LCK_MTX_EXT_LOCK "lck_mtx_ext_lock"
+#define LS_LCK_MTX_EXT_UNLOCK "lck_mtx_ext_unlock"
+#define LS_LCK_MTX_EXT_TRY_LOCK "lck_mtx_ext_try_lock"
+#define LS_LCK_MTX_LOCK_SPIN_LOCK "lck_mtx_lock_spin"
+
+#define LS_LCK_SPIN_LOCK "lck_spin_lock"
+#define LS_LCK_SPIN_TRY_LOCK "lck_spin_try_lock"
+#define LS_LCK_SPIN_UNLOCK "lck_spin_unlock"
+#define LS_LCK_RW_LOCK_SHARED "lck_rw_lock_shared"
+#define LS_LCK_RW_LOCK_EXCL "lck_rw_lock_exclusive"
+#define LS_LCK_RW_DONE "lck_rw_done"
+#define LS_LCK_RW_TRY_LOCK_EXCL "lck_rw_try_lock_exclusive"
+#define LS_LCK_RW_TRY_LOCK_SHARED "lck_rw_try_lock_shared"
+#define LS_LCK_RW_LOCK_SHARED_TO_EXCL "lck_rw_shared_to_exclusive"
+#define LS_LCK_RW_LOCK_EXCL_TO_SHARED "lck_rw_exclusive_to_shared"
+
+#define LS_ACQUIRE "acquire"
+#define LS_RELEASE "release"
+#define LS_SPIN "spin"
+#define LS_BLOCK "block"
+#define LS_UPGRADE "upgrade"
+#define LS_DOWNGRADE "downgrade"
+
+#define LS_TYPE_ADAPTIVE "adaptive"
+#define LS_TYPE_SPIN "spin"
+#define LS_TYPE_ILK "interlock" /* OS X only */
+#define LS_TYPE_THREAD "thread" /* Solaris only */
+#define LS_TYPE_RW "rw"
+#define LS_TYPE_RWUPGRADE "rwupgrade" /* OS X only */
+
+#define LSA_ACQUIRE (LS_TYPE_ADAPTIVE "-" LS_ACQUIRE)
+#define LSA_RELEASE (LS_TYPE_ADAPTIVE "-" LS_RELEASE)
+#define LSA_SPIN (LS_TYPE_ADAPTIVE "-" LS_SPIN)
+#define LSA_BLOCK (LS_TYPE_ADAPTIVE "-" LS_BLOCK)
+#define LSA_ILK_SPIN (LS_TYPE_ILK "-" LS_SPIN)
+#define LSS_ACQUIRE (LS_TYPE_SPIN "-" LS_ACQUIRE)
+#define LSS_RELEASE (LS_TYPE_SPIN "-" LS_RELEASE)
+#define LSS_SPIN (LS_TYPE_SPIN "-" LS_SPIN)
+#define LSR_ACQUIRE (LS_TYPE_RW "-" LS_ACQUIRE)
+#define LSR_RELEASE (LS_TYPE_RW "-" LS_RELEASE)
+#define LSR_BLOCK (LS_TYPE_RW "-" LS_BLOCK)
+#define LSR_SPIN (LS_TYPE_RW "-" LS_SPIN)
+#define LSR_UPGRADE (LS_TYPE_RW "-" LS_UPGRADE)
+#define LSR_UPGRADE_BLOCK (LS_TYPE_RWUPGRADE "-" LS_BLOCK)
+#define LSR_DOWNGRADE (LS_TYPE_RW "-" LS_DOWNGRADE)
+#define LST_SPIN (LS_TYPE_THREAD "-" LS_SPIN)
+
+#ifdef __cplusplus
}
#endif
-#endif /* _SYS_LOCKSTAT_H */
-
+#endif /* _SYS_LOCKSTAT_H */
projects / apple / xnu.git / blobdiff