#include <machine/atomic.h>
#include <pexpert/pexpert.h>
+#include <os/hash.h>
#include <libkern/section_keywords.h>
static zone_t turnstiles_zone;
static queue_head_t turnstiles_list;
static lck_spin_t global_turnstile_lock;
-lck_grp_t turnstiles_dev_lock_grp;
-lck_attr_t turnstiles_dev_lock_attr;
-lck_grp_attr_t turnstiles_dev_lock_grp_attr;
+lck_grp_t turnstiles_dev_lock_grp;
+lck_attr_t turnstiles_dev_lock_attr;
+lck_grp_attr_t turnstiles_dev_lock_grp_attr;
#define global_turnstiles_lock_init() \
lck_spin_init(&global_turnstile_lock, &turnstiles_dev_lock_grp, &turnstiles_dev_lock_attr)
#define global_turnstiles_lock_destroy() \
lck_spin_destroy(&global_turnstile_lock, &turnstiles_dev_lock_grp)
-#define global_turnstiles_lock() \
- lck_spin_lock(&global_turnstile_lock)
-#define global_turnstiles_lock_try() \
- lck_spin_try_lock(&global_turnstile_lock)
-#define global_turnstiles_unlock() \
+#define global_turnstiles_lock() \
+ lck_spin_lock_grp(&global_turnstile_lock, &turnstiles_dev_lock_grp)
+#define global_turnstiles_lock_try() \
+ lck_spin_try_lock_grp(&global_turnstile_lock, &turnstiles_dev_lock_grp)
+#define global_turnstiles_unlock() \
lck_spin_unlock(&global_turnstile_lock)
/* Array to store stats for multi-hop boosting */
#endif
#ifndef max
-#define max(a,b) (((a) > (b)) ? (a) : (b))
+#define max(a, b) (((a) > (b)) ? (a) : (b))
#endif /* max */
/* Static function declarations */
turnstile_update_inheritor_workq_priority_chain(struct turnstile *in_turnstile, spl_t s);
static void
turnstile_update_inheritor_thread_priority_chain(struct turnstile **in_turnstile,
- thread_t *out_thread, int total_hop, turnstile_stats_update_flags_t tsu_flags);
+ thread_t *out_thread, int total_hop, turnstile_stats_update_flags_t tsu_flags);
static void
turnstile_update_inheritor_turnstile_priority_chain(struct turnstile **in_out_turnstile,
- int total_hop, turnstile_stats_update_flags_t tsu_flags);
+ int total_hop, turnstile_stats_update_flags_t tsu_flags);
static void
thread_update_waiting_turnstile_priority_chain(thread_t *in_thread,
- struct turnstile **out_turnstile, int thread_hop, int total_hop,
- turnstile_stats_update_flags_t tsu_flags);
+ struct turnstile **out_turnstile, int thread_hop, int total_hop,
+ turnstile_stats_update_flags_t tsu_flags);
static boolean_t
turnstile_update_turnstile_promotion_locked(struct turnstile *dst_turnstile,
- struct turnstile *src_turnstile);
+ struct turnstile *src_turnstile);
static boolean_t
turnstile_update_turnstile_promotion(struct turnstile *dst_turnstile,
- struct turnstile *src_turnstile);
+ struct turnstile *src_turnstile);
static boolean_t
turnstile_need_turnstile_promotion_update(struct turnstile *dst_turnstile,
- struct turnstile *src_turnstile);
+ struct turnstile *src_turnstile);
static boolean_t
turnstile_add_turnstile_promotion(struct turnstile *dst_turnstile,
- struct turnstile *src_turnstile);
+ struct turnstile *src_turnstile);
static boolean_t
turnstile_remove_turnstile_promotion(struct turnstile *dst_turnstile,
- struct turnstile *src_turnstile);
+ struct turnstile *src_turnstile);
static boolean_t
turnstile_update_thread_promotion_locked(struct turnstile *dst_turnstile,
- thread_t thread);
+ thread_t thread);
static boolean_t
turnstile_need_thread_promotion_update(struct turnstile *dst_turnstile,
- thread_t thread);
+ thread_t thread);
static boolean_t
thread_add_turnstile_promotion(
- thread_t thread, struct turnstile *turnstile);
+ thread_t thread, struct turnstile *turnstile);
static boolean_t
thread_remove_turnstile_promotion(
- thread_t thread, struct turnstile *turnstile);
+ thread_t thread, struct turnstile *turnstile);
static boolean_t
thread_needs_turnstile_promotion_update(thread_t thread,
- struct turnstile *turnstile);
+ struct turnstile *turnstile);
static boolean_t
thread_update_turnstile_promotion(
- thread_t thread, struct turnstile *turnstile);
+ thread_t thread, struct turnstile *turnstile);
static boolean_t
thread_update_turnstile_promotion_locked(
- thread_t thread, struct turnstile *turnstile);
+ thread_t thread, struct turnstile *turnstile);
static boolean_t
workq_add_turnstile_promotion(
- struct workqueue *wq_inheritor, struct turnstile *turnstile);
+ struct workqueue *wq_inheritor, struct turnstile *turnstile);
static turnstile_stats_update_flags_t
thread_get_update_flags_for_turnstile_propagation_stoppage(thread_t thread);
static turnstile_stats_update_flags_t
uint32_t value;
struct {
uint32_t ts_type:(8 * sizeof(turnstile_type_t)),
- ts_gencount: (8 *(sizeof(uint32_t) - sizeof(turnstile_type_t)));
+ ts_gencount: (8 * (sizeof(uint32_t) - sizeof(turnstile_type_t)));
};
};
/* Turnstile hashtable Implementation */
/*
- * Maximum number of buckets in the turnstile hashtable. This number affects the
- * performance of the hashtable since it determines the hash collision
- * rate. To experiment with the number of buckets in this hashtable use the
+ * Maximum number of buckets in the turnstile hashtable. This number affects the
+ * performance of the hashtable since it determines the hash collision
+ * rate. To experiment with the number of buckets in this hashtable use the
* "ts_htable_buckets" boot-arg.
*/
#define TURNSTILE_HTABLE_BUCKETS_DEFAULT 32
SLIST_HEAD(turnstile_hashlist, turnstile);
struct turnstile_htable_bucket {
- lck_spin_t ts_ht_bucket_lock;
- struct turnstile_hashlist ts_ht_bucket_list;
+ lck_spin_t ts_ht_bucket_lock;
+ struct turnstile_hashlist ts_ht_bucket_list;
};
SECURITY_READ_ONLY_LATE(static uint32_t) ts_htable_buckets;
lck_grp_attr_t turnstiles_htable_lock_grp_attr;
#define turnstile_bucket_lock_init(bucket) \
- lck_spin_init(&bucket->ts_ht_bucket_lock, &turnstiles_htable_lock_grp, &turnstiles_htable_lock_attr)
+ lck_spin_init(&bucket->ts_ht_bucket_lock, &turnstiles_htable_lock_grp, &turnstiles_htable_lock_attr)
#define turnstile_bucket_lock(bucket) \
- lck_spin_lock(&bucket->ts_ht_bucket_lock)
+ lck_spin_lock_grp(&bucket->ts_ht_bucket_lock, &turnstiles_htable_lock_grp)
#define turnstile_bucket_unlock(bucket) \
- lck_spin_unlock(&bucket->ts_ht_bucket_lock)
+ lck_spin_unlock(&bucket->ts_ht_bucket_lock)
/*
* Name: turnstiles_hashtable_init
turnstiles_hashtable_init(void)
{
/* Initialize number of buckets in the hashtable */
- if (PE_parse_boot_argn("ts_htable_buckets", &ts_htable_buckets, sizeof(ts_htable_buckets)) != TRUE)
+ if (PE_parse_boot_argn("ts_htable_buckets", &ts_htable_buckets, sizeof(ts_htable_buckets)) != TRUE) {
ts_htable_buckets = TURNSTILE_HTABLE_BUCKETS_DEFAULT;
-
+ }
+
assert(ts_htable_buckets <= TURNSTILE_HTABLE_BUCKETS_MAX);
uint32_t ts_htable_size = ts_htable_buckets * sizeof(struct turnstile_htable_bucket);
turnstile_htable = (struct turnstile_htable_bucket *)kalloc(ts_htable_size);
- if (turnstile_htable == NULL)
+ if (turnstile_htable == NULL) {
panic("Turnstiles hash table memory allocation failed!");
-
+ }
+
lck_grp_attr_setdefault(&turnstiles_htable_lock_grp_attr);
lck_grp_init(&turnstiles_htable_lock_grp, "turnstiles_htable_locks", &turnstiles_htable_lock_grp_attr);
lck_attr_setdefault(&turnstiles_htable_lock_attr);
* Returns:
* hash table bucket index for provided proprietor
*/
-static inline uint32_t
+static inline uint32_t
turnstile_hash(uintptr_t proprietor)
{
- char *key = (char *)&proprietor;
- uint32_t hash = jenkins_hash(key, sizeof(key));
- hash &= (ts_htable_buckets - 1);
- return hash;
+ uint32_t hash = os_hash_kernel_pointer((void *)proprietor);
+ return hash & (ts_htable_buckets - 1);
}
/*
*/
static struct turnstile *
turnstile_htable_lookup_add(
- uintptr_t proprietor,
+ uintptr_t proprietor,
struct turnstile *new_turnstile)
{
uint32_t index = turnstile_hash(proprietor);
assert(index < ts_htable_buckets);
struct turnstile_htable_bucket *ts_bucket = &(turnstile_htable[index]);
spl_t s;
-
+
s = splsched();
turnstile_bucket_lock(ts_bucket);
struct turnstile *ts;
SLIST_FOREACH(ts, &ts_bucket->ts_ht_bucket_list, ts_htable_link) {
if (ts->ts_proprietor == proprietor) {
- /*
+ /*
* Found an entry in the hashtable for this proprietor; add thread turnstile to freelist
* and return this turnstile
*/
*free_turnstile = ret_turnstile;
return TURNSTILE_NULL;
} else {
- /*
+ /*
* Turnstile has free turnstiles on its list; leave the hashtable unchanged
* and return the first turnstile in the freelist as the free turnstile
*/
turnstiles_init(void)
{
turnstiles_zone = zinit(sizeof(struct turnstile),
- MAX_TURNSTILES * sizeof(struct turnstile),
- TURNSTILES_CHUNK * sizeof(struct turnstile),
- "turnstiles");
+ MAX_TURNSTILES * sizeof(struct turnstile),
+ TURNSTILES_CHUNK * sizeof(struct turnstile),
+ "turnstiles");
if (!PE_parse_boot_argn("turnstile_max_hop", &turnstile_max_hop, sizeof(turnstile_max_hop))) {
turnstile_max_hop = TURNSTILE_MAX_HOP_DEFAULT;
}
-
+
turnstiles_hashtable_init();
#if DEVELOPMENT || DEBUG
/* Add turnstile to global list */
global_turnstiles_lock();
queue_enter(&turnstiles_list, turnstile,
- struct turnstile *, ts_global_elm);
+ struct turnstile *, ts_global_elm);
global_turnstiles_unlock();
#endif
return turnstile;
/* Initialize the waitq */
kret = waitq_init(&turnstile->ts_waitq, SYNC_POLICY_DISABLE_IRQ | SYNC_POLICY_REVERSED |
- SYNC_POLICY_TURNSTILE);
+ SYNC_POLICY_TURNSTILE);
assert(kret == KERN_SUCCESS);
turnstile->ts_inheritor = TURNSTILE_INHERITOR_NULL;
turnstile->ts_inheritor_flags = TURNSTILE_UPDATE_FLAGS_NONE;
turnstile->ts_port_ref = 0;
priority_queue_init(&turnstile->ts_inheritor_queue,
- PRIORITY_QUEUE_BUILTIN_MAX_HEAP);
+ PRIORITY_QUEUE_BUILTIN_MAX_HEAP);
#if DEVELOPMENT || DEBUG
turnstile->ts_thread = current_thread();
/* Remove turnstile from global list */
global_turnstiles_lock();
queue_remove(&turnstiles_list, turnstile,
- struct turnstile *, ts_global_elm);
+ struct turnstile *, ts_global_elm);
global_turnstiles_unlock();
#endif
zfree(turnstiles_zone, turnstile);
thread_turnstile->ts_prev_thread = thread_turnstile->ts_thread;
thread_turnstile->ts_thread = NULL;
#endif
-
+
if (tstore != NULL) {
- /*
- * If the primitive stores the turnstile,
- * If there is already a turnstile, put the thread_turnstile if the primitive currently does not have a
+ /*
+ * If the primitive stores the turnstile,
+ * If there is already a turnstile, put the thread_turnstile if the primitive currently does not have a
* turnstile.
* Else, add the thread turnstile to freelist of the primitive turnstile.
*/
turnstile_state_add(thread_turnstile, TURNSTILE_STATE_PROPRIETOR);
*tstore = thread_turnstile;
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_PREPARE))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
- turnstile_get_type(thread_turnstile), 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_PREPARE))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
+ turnstile_get_type(thread_turnstile), 0, 0);
} else {
turnstile_freelist_insert(ret_turnstile, thread_turnstile);
}
ret_turnstile = *tstore;
} else {
- /*
+ /*
* Lookup the primitive in the turnstile hash table and see if it already has an entry.
*/
ret_turnstile = turnstile_htable_lookup_add(proprietor, thread_turnstile);
if (ret_turnstile == NULL) {
ret_turnstile = thread_turnstile;
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_PREPARE))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
- turnstile_get_type(thread_turnstile), 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_PREPARE))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
+ turnstile_get_type(thread_turnstile), 0, 0);
}
}
-
+
return ret_turnstile;
}
*/
if (thread_turnstile->ts_inheritor != TURNSTILE_INHERITOR_NULL) {
turnstile_update_inheritor(thread_turnstile, TURNSTILE_INHERITOR_NULL,
- (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
+ (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
/*
* old inheritor is set in curret thread and its priority propagation
* will happen in turnstile cleanup call
assert(thread_turnstile->ts_inheritor == TURNSTILE_INHERITOR_NULL);
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_COMPLETE))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
- turnstile_get_type(thread_turnstile), 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_FREELIST_OPERATIONS, (TURNSTILE_COMPLETE))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(thread_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(proprietor),
+ turnstile_get_type(thread_turnstile), 0, 0);
} else {
/* If primitive's turnstile needs priority update, set it up for turnstile cleanup */
if (turnstile_recompute_priority(primitive_turnstile)) {
turnstile_reference(primitive_turnstile);
thread->inheritor = primitive_turnstile;
thread->inheritor_flags = (TURNSTILE_INHERITOR_TURNSTILE |
- TURNSTILE_INHERITOR_NEEDS_PRI_UPDATE);
+ TURNSTILE_INHERITOR_NEEDS_PRI_UPDATE);
}
}
boolean_t old_inheritor_needs_update = FALSE;
boolean_t new_inheritor_needs_update = FALSE;
turnstile_stats_update_flags_t tsu_flags =
- turnstile_get_update_flags_for_above_UI_pri_change(turnstile);
+ turnstile_get_update_flags_for_above_UI_pri_change(turnstile);
assert(waitq_held(&turnstile->ts_waitq));
/* adjust turnstile position in the thread's inheritor list */
new_inheritor_needs_update = thread_update_turnstile_promotion(
thread_inheritor, turnstile);
-
} else if (new_inheritor_flags & TURNSTILE_INHERITOR_TURNSTILE) {
struct turnstile *inheritor_turnstile = new_inheritor;
new_inheritor_needs_update = turnstile_update_turnstile_promotion(
inheritor_turnstile, turnstile);
-
} else if (new_inheritor_flags & TURNSTILE_INHERITOR_WORKQ) {
/*
* When we are still picking "WORKQ" then possible racing
* and we don't need to update anything here.
*/
turnstile_stats_update(1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
} else {
panic("Inheritor flags lost along the way");
}
/* Update turnstile stats */
if (!new_inheritor_needs_update) {
turnstile_stats_update(1, TSU_PRI_PROPAGATION |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG | tsu_flags, turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG | tsu_flags, turnstile);
}
break;
}
/* remove turnstile from thread's inheritor list */
old_inheritor_needs_update = thread_remove_turnstile_promotion(thread_inheritor, turnstile);
-
} else if (old_inheritor_flags & TURNSTILE_INHERITOR_TURNSTILE) {
struct turnstile *old_turnstile = old_inheritor;
old_inheritor_needs_update = turnstile_remove_turnstile_promotion(
old_turnstile, turnstile);
-
} else if (old_inheritor_flags & TURNSTILE_INHERITOR_WORKQ) {
/*
* We don't need to do anything when the push was WORKQ
* because nothing is pushed on in the first place.
*/
turnstile_stats_update(1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG, turnstile);
+ TSU_TURNSTILE_ARG, turnstile);
} else {
panic("Inheritor flags lost along the way");
}
/* Update turnstile stats */
if (!old_inheritor_needs_update) {
turnstile_stats_update(1, TSU_PRI_PROPAGATION | TSU_TURNSTILE_ARG,
- turnstile);
+ turnstile);
}
}
assert(new_inheritor_flags & TURNSTILE_INHERITOR_THREAD);
/* add turnstile to thread's inheritor list */
new_inheritor_needs_update = thread_add_turnstile_promotion(
- thread_inheritor, turnstile);
-
+ thread_inheritor, turnstile);
} else if (new_inheritor_flags & TURNSTILE_INHERITOR_TURNSTILE) {
struct turnstile *new_turnstile = new_inheritor;
new_inheritor_needs_update = turnstile_add_turnstile_promotion(
new_turnstile, turnstile);
-
} else if (new_inheritor_flags & TURNSTILE_INHERITOR_WORKQ) {
struct workqueue *wq_inheritor = new_inheritor;
new_inheritor_needs_update = workq_add_turnstile_promotion(
- wq_inheritor, turnstile);
+ wq_inheritor, turnstile);
if (!new_inheritor_needs_update) {
turnstile_stats_update(1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
}
} else {
panic("Inheritor flags lost along the way");
/* Update turnstile stats */
if (!new_inheritor_needs_update) {
turnstile_stats_update(1, TSU_PRI_PROPAGATION |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG | tsu_flags,turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG | tsu_flags, turnstile);
}
}
workq_reference((struct workqueue *)new_inheritor);
} else {
panic("Missing type in flags (%x) for inheritor (%p)", flags,
- new_inheritor);
+ new_inheritor);
}
/* Do not perform the update if delayed update is specified */
boolean_t needs_update = FALSE;
thread_link_priority = priority_queue_entry_key(&(dst_turnstile->ts_waitq.waitq_prio_queue),
- &(thread->wait_prioq_links));
+ &(thread->wait_prioq_links));
needs_update = (thread_link_priority == thread->base_pri) ? FALSE : TRUE;
return needs_update;
*/
static boolean_t
turnstile_priority_queue_update_entry_key(struct priority_queue *q,
- priority_queue_entry_t elt, priority_queue_key_t pri)
+ priority_queue_entry_t elt, priority_queue_key_t pri)
{
priority_queue_key_t old_key = priority_queue_max_key(q);
if (priority_queue_entry_key(q, elt) < pri) {
if (priority_queue_entry_increase(q, elt, pri,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
return old_key != priority_queue_max_key(q);
}
} else if (priority_queue_entry_key(q, elt) > pri) {
if (priority_queue_entry_decrease(q, elt, pri,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
return old_key != priority_queue_max_key(q);
}
}
thread_t thread)
{
int thread_link_priority = priority_queue_entry_key(&(dst_turnstile->ts_waitq.waitq_prio_queue),
- &(thread->wait_prioq_links));
+ &(thread->wait_prioq_links));
if (thread->base_pri != thread_link_priority) {
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (THREAD_MOVED_IN_TURNSTILE_WAITQ))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
- thread_tid(thread),
- thread->base_pri,
- thread_link_priority, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (THREAD_MOVED_IN_TURNSTILE_WAITQ))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
+ thread_tid(thread),
+ thread->base_pri,
+ thread_link_priority, 0);
}
if (!turnstile_priority_queue_update_entry_key(
- &dst_turnstile->ts_waitq.waitq_prio_queue,
- &thread->wait_prioq_links, thread->base_pri)) {
+ &dst_turnstile->ts_waitq.waitq_prio_queue,
+ &thread->wait_prioq_links, thread->base_pri)) {
return FALSE;
}
thread_lock(thread);
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_ADDED_TO_THREAD_HEAP))) | DBG_FUNC_NONE,
- thread_tid(thread),
- VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
- turnstile->ts_priority, 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_ADDED_TO_THREAD_HEAP))) | DBG_FUNC_NONE,
+ thread_tid(thread),
+ VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
+ turnstile->ts_priority, 0, 0);
priority_queue_entry_init(&(turnstile->ts_inheritor_links));
if (priority_queue_insert(&thread->inheritor_queue,
- &turnstile->ts_inheritor_links, turnstile->ts_priority,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ &turnstile->ts_inheritor_links, turnstile->ts_priority,
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
/* Update thread priority */
needs_update = thread_recompute_user_promotion_locked(thread);
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- thread_get_update_flags_for_turnstile_propagation_stoppage(thread) |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
- turnstile);
+ thread_get_update_flags_for_turnstile_propagation_stoppage(thread) |
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
+ turnstile);
}
thread_unlock(thread);
thread_lock(thread);
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_REMOVED_FROM_THREAD_HEAP))) | DBG_FUNC_NONE,
- thread_tid(thread),
- VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
- 0, 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_REMOVED_FROM_THREAD_HEAP))) | DBG_FUNC_NONE,
+ thread_tid(thread),
+ VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
+ 0, 0, 0);
if (priority_queue_remove(&thread->inheritor_queue,
- &turnstile->ts_inheritor_links,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ &turnstile->ts_inheritor_links,
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
/* Update thread priority */
needs_update = thread_recompute_user_promotion_locked(thread);
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- thread_get_update_flags_for_turnstile_propagation_stoppage(thread) | TSU_TURNSTILE_ARG,
- turnstile);
+ thread_get_update_flags_for_turnstile_propagation_stoppage(thread) | TSU_TURNSTILE_ARG,
+ turnstile);
}
thread_unlock(thread);
/* Update the pairing heap */
turnstile_link_priority = priority_queue_entry_key(&(thread->inheritor_queue),
- &(turnstile->ts_inheritor_links));
+ &(turnstile->ts_inheritor_links));
needs_update = (turnstile_link_priority == turnstile->ts_priority) ? FALSE : TRUE;
return needs_update;
struct turnstile *turnstile)
{
int turnstile_link_priority = priority_queue_entry_key(&(thread->inheritor_queue),
- &(turnstile->ts_inheritor_links));
+ &(turnstile->ts_inheritor_links));
if (turnstile->ts_priority != turnstile_link_priority) {
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_MOVED_IN_THREAD_HEAP))) | DBG_FUNC_NONE,
- thread_tid(thread),
- VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
- turnstile->ts_priority,
- turnstile_link_priority, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_MOVED_IN_THREAD_HEAP))) | DBG_FUNC_NONE,
+ thread_tid(thread),
+ VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
+ turnstile->ts_priority,
+ turnstile_link_priority, 0);
}
if (!turnstile_priority_queue_update_entry_key(&thread->inheritor_queue,
- &turnstile->ts_inheritor_links, turnstile->ts_priority)) {
+ &turnstile->ts_inheritor_links, turnstile->ts_priority)) {
return FALSE;
}
if (!needs_update) {
turnstile_stats_update(1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG, turnstile);
return needs_update;
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- thread_get_update_flags_for_turnstile_propagation_stoppage(thread) |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
- turnstile);
+ thread_get_update_flags_for_turnstile_propagation_stoppage(thread) |
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
+ turnstile);
}
thread_unlock(thread);
return needs_update;
struct turnstile *max_turnstile;
max_turnstile = priority_queue_max(&thread->inheritor_queue,
- struct turnstile, ts_inheritor_links);
+ struct turnstile, ts_inheritor_links);
if (max_turnstile) {
return priority_queue_entry_key(&thread->inheritor_queue,
- &max_turnstile->ts_inheritor_links);
+ &max_turnstile->ts_inheritor_links);
}
return MAXPRI_THROTTLE;
(thread_qos_policy_params.qos_pri[THREAD_QOS_USER_INTERACTIVE] + 1) &&
turnstile_get_type(turnstile) != TURNSTILE_ULOCK) {
return TSU_ABOVE_UI_PRI_CHANGE;
-
}
return TSU_FLAGS_NONE;
boolean_t needs_update = FALSE;
src_turnstile_link_priority = priority_queue_entry_key(&(dst_turnstile->ts_inheritor_queue),
- &(src_turnstile->ts_inheritor_links));
+ &(src_turnstile->ts_inheritor_links));
needs_update = (src_turnstile_link_priority == src_turnstile->ts_priority) ? FALSE : TRUE;
return needs_update;
{
int src_turnstile_link_priority;
src_turnstile_link_priority = priority_queue_entry_key(&(dst_turnstile->ts_inheritor_queue),
- &(src_turnstile->ts_inheritor_links));
+ &(src_turnstile->ts_inheritor_links));
if (src_turnstile->ts_priority != src_turnstile_link_priority) {
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_MOVED_IN_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
- src_turnstile->ts_priority, src_turnstile_link_priority, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_MOVED_IN_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
+ src_turnstile->ts_priority, src_turnstile_link_priority, 0);
}
if (!turnstile_priority_queue_update_entry_key(
- &dst_turnstile->ts_inheritor_queue, &src_turnstile->ts_inheritor_links,
- src_turnstile->ts_priority)) {
+ &dst_turnstile->ts_inheritor_queue, &src_turnstile->ts_inheritor_links,
+ src_turnstile->ts_priority)) {
return FALSE;
}
boolean_t needs_update = turnstile_need_turnstile_promotion_update(dst_turnstile, src_turnstile);
if (!needs_update) {
turnstile_stats_update(1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
- src_turnstile);
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG,
+ src_turnstile);
return needs_update;
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG, src_turnstile);
+ (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG, src_turnstile);
}
waitq_unlock(&dst_turnstile->ts_waitq);
return needs_update;
waitq_lock(&dst_turnstile->ts_waitq);
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_ADDED_TO_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
- src_turnstile->ts_priority, 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_ADDED_TO_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
+ src_turnstile->ts_priority, 0, 0);
priority_queue_entry_init(&(src_turnstile->ts_inheritor_links));
if (priority_queue_insert(&dst_turnstile->ts_inheritor_queue,
- &src_turnstile->ts_inheritor_links, src_turnstile->ts_priority,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ &src_turnstile->ts_inheritor_links, src_turnstile->ts_priority,
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
/* Update dst turnstile priority */
needs_update = turnstile_recompute_priority_locked(dst_turnstile);
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
- TSU_TURNSTILE_ARG | TSU_BOOST_ARG, src_turnstile);
+ (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
+ TSU_TURNSTILE_ARG | TSU_BOOST_ARG, src_turnstile);
}
waitq_unlock(&dst_turnstile->ts_waitq);
waitq_lock(&dst_turnstile->ts_waitq);
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_REMOVED_FROM_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
- VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
- 0, 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS, (TURNSTILE_REMOVED_FROM_TURNSTILE_HEAP))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(dst_turnstile),
+ VM_KERNEL_UNSLIDE_OR_PERM(src_turnstile),
+ 0, 0, 0);
if (priority_queue_remove(&dst_turnstile->ts_inheritor_queue,
- &src_turnstile->ts_inheritor_links,
- PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
+ &src_turnstile->ts_inheritor_links,
+ PRIORITY_QUEUE_SCHED_PRI_MAX_HEAP_COMPARE)) {
/* Update dst turnstile priority */
needs_update = turnstile_recompute_priority_locked(dst_turnstile);
}
/* Update turnstile stats */
if (!needs_update) {
turnstile_stats_update(1,
- (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
- TSU_TURNSTILE_ARG, src_turnstile);
+ (dst_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
+ TSU_TURNSTILE_ARG, src_turnstile);
}
waitq_unlock(&dst_turnstile->ts_waitq);
int turnstile_max_pri = MAXPRI_THROTTLE;
switch (turnstile_promote_policy[turnstile_get_type(turnstile)]) {
-
case TURNSTILE_USER_PROMOTE:
case TURNSTILE_USER_IPC_PROMOTE:
old_priority = turnstile->ts_priority;
max_thread = priority_queue_max(&turnstile->ts_waitq.waitq_prio_queue,
- struct thread, wait_prioq_links);
+ struct thread, wait_prioq_links);
if (max_thread) {
thread_max_pri = priority_queue_entry_key(&turnstile->ts_waitq.waitq_prio_queue,
- &max_thread->wait_prioq_links);
+ &max_thread->wait_prioq_links);
}
max_turnstile = priority_queue_max(&turnstile->ts_inheritor_queue,
- struct turnstile, ts_inheritor_links);
+ struct turnstile, ts_inheritor_links);
if (max_turnstile) {
turnstile_max_pri = priority_queue_entry_key(&turnstile->ts_inheritor_queue,
- &max_turnstile->ts_inheritor_links);
+ &max_turnstile->ts_inheritor_links);
}
new_priority = max(thread_max_pri, turnstile_max_pri);
if (old_priority != new_priority) {
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_PRIORITY_OPERATIONS,
- (TURNSTILE_PRIORITY_CHANGE))) | DBG_FUNC_NONE,
- VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
- new_priority,
- old_priority,
- 0, 0);
+ (TURNSTILE_CODE(TURNSTILE_PRIORITY_OPERATIONS,
+ (TURNSTILE_PRIORITY_CHANGE))) | DBG_FUNC_NONE,
+ VM_KERNEL_UNSLIDE_OR_PERM(turnstile),
+ new_priority,
+ old_priority,
+ 0, 0);
}
needs_priority_update = (!(old_priority == new_priority)) &&
- (turnstile->ts_inheritor != NULL);
- break;
+ (turnstile->ts_inheritor != NULL);
+ break;
case TURNSTILE_PROMOTE_NONE:
case TURNSTILE_KERNEL_PROMOTE:
- /* The turnstile was repurposed, do nothing */
- break;
+ /* The turnstile was repurposed, do nothing */
+ break;
default:
- panic("Needs implementation for turnstile_recompute_priority");
- break;
-
+ panic("Needs implementation for turnstile_recompute_priority");
+ break;
}
return needs_priority_update;
-
}
waitq_unlock(&turnstile->ts_waitq);
splx(s);
return needs_priority_update;
-
}
waitq_lock(&turnstile->ts_waitq);
max_turnstile = priority_queue_max(&turnstile->ts_inheritor_queue,
- struct turnstile, ts_inheritor_links);
+ struct turnstile, ts_inheritor_links);
if (max_turnstile) {
max_priority = priority_queue_entry_key(&turnstile->ts_inheritor_queue,
- &max_turnstile->ts_inheritor_links);
+ &max_turnstile->ts_inheritor_links);
proprietor = max_turnstile->ts_proprietor;
}
max_priority = 0;
proprietor = 0;
}
- if (proprietor_out) *proprietor_out = proprietor;
+ if (proprietor_out) {
+ *proprietor_out = proprietor;
+ }
return max_priority;
}
int total_hop = 0, thread_hop = 0;
spl_t s;
turnstile_stats_update_flags_t tsu_flags = ((turnstile_flags & TURNSTILE_UPDATE_BOOST) ?
- TSU_BOOST_ARG : TSU_FLAGS_NONE) | TSU_PRI_PROPAGATION;
+ TSU_BOOST_ARG : TSU_FLAGS_NONE) | TSU_PRI_PROPAGATION;
if (inheritor == NULL) {
return;
if (turnstile != TURNSTILE_NULL) {
if (turnstile->ts_inheritor == NULL) {
turnstile_stats_update(total_hop + 1, TSU_NO_INHERITOR |
- TSU_TURNSTILE_ARG | tsu_flags,
- turnstile);
+ TSU_TURNSTILE_ARG | tsu_flags,
+ turnstile);
waitq_unlock(&turnstile->ts_waitq);
turnstile = TURNSTILE_NULL;
break;
}
if (turnstile->ts_inheritor_flags & TURNSTILE_INHERITOR_THREAD) {
turnstile_update_inheritor_thread_priority_chain(&turnstile, &thread,
- total_hop, tsu_flags);
-
+ total_hop, tsu_flags);
} else if (turnstile->ts_inheritor_flags & TURNSTILE_INHERITOR_TURNSTILE) {
turnstile_update_inheritor_turnstile_priority_chain(&turnstile,
- total_hop, tsu_flags);
-
+ total_hop, tsu_flags);
} else if (turnstile->ts_inheritor_flags & TURNSTILE_INHERITOR_WORKQ) {
turnstile_update_inheritor_workq_priority_chain(turnstile, s);
turnstile_stats_update(total_hop + 1, TSU_NO_PRI_CHANGE_NEEDED | tsu_flags,
- NULL);
+ NULL);
return;
-
} else {
panic("Inheritor flags not passed in turnstile_update_inheritor");
}
} else if (thread != THREAD_NULL) {
thread_update_waiting_turnstile_priority_chain(&thread, &turnstile,
- thread_hop, total_hop, tsu_flags);
+ thread_hop, total_hop, tsu_flags);
thread_hop++;
}
total_hop++;
/* Perform priority update for new inheritor */
if (inheritor_flags & TURNSTILE_NEEDS_PRI_UPDATE) {
turnstile_update_inheritor_priority_chain(turnstile,
- TURNSTILE_INHERITOR_TURNSTILE | TURNSTILE_UPDATE_BOOST);
+ TURNSTILE_INHERITOR_TURNSTILE | TURNSTILE_UPDATE_BOOST);
}
}
/* Perform priority demotion for old inheritor */
if (inheritor_flags & TURNSTILE_INHERITOR_NEEDS_PRI_UPDATE) {
turnstile_update_inheritor_priority_chain(old_inheritor,
- inheritor_flags);
+ inheritor_flags);
}
/* Drop thread reference for old inheritor */
return;
}
- if (!workq_lock_held) workq_reference(wq);
+ if (!workq_lock_held) {
+ workq_reference(wq);
+ }
waitq_unlock(&turnstile->ts_waitq);
splx(s);
workq_schedule_creator_turnstile_redrive(wq, workq_lock_held);
- if (!workq_lock_held) workq_deallocate_safe(wq);
+ if (!workq_lock_held) {
+ workq_deallocate_safe(wq);
+ }
}
/*
needs_update = thread_needs_turnstile_promotion_update(thread_inheritor, turnstile);
if (!needs_update && !first_update) {
turnstile_stats_update(total_hop + 1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | tsu_flags, turnstile);
+ TSU_TURNSTILE_ARG | tsu_flags, turnstile);
waitq_unlock(&turnstile->ts_waitq);
return;
}
if (!needs_update && !first_update) {
/* Update turnstile stats before returning */
turnstile_stats_update(total_hop + 1,
- (thread_get_update_flags_for_turnstile_propagation_stoppage(thread_inheritor)) |
- TSU_TURNSTILE_ARG | tsu_flags,
- turnstile);
+ (thread_get_update_flags_for_turnstile_propagation_stoppage(thread_inheritor)) |
+ TSU_TURNSTILE_ARG | tsu_flags,
+ turnstile);
thread_unlock(thread_inheritor);
waitq_unlock(&turnstile->ts_waitq);
return;
needs_update = turnstile_need_turnstile_promotion_update(inheritor_turnstile, turnstile);
if (!needs_update && !first_update) {
turnstile_stats_update(total_hop + 1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_TURNSTILE_ARG | tsu_flags,
- turnstile);
+ TSU_TURNSTILE_ARG | tsu_flags,
+ turnstile);
waitq_unlock(&turnstile->ts_waitq);
return;
}
if (!needs_update && !first_update) {
/* Update turnstile stats before returning */
turnstile_stats_update(total_hop + 1,
- (inheritor_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
- TSU_TURNSTILE_ARG | tsu_flags,
- turnstile);
+ (inheritor_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
+ TSU_TURNSTILE_ARG | tsu_flags,
+ turnstile);
waitq_unlock(&inheritor_turnstile->ts_waitq);
waitq_unlock(&turnstile->ts_waitq);
return;
if (waiting_turnstile == TURNSTILE_NULL || thread_hop > turnstile_max_hop) {
KERNEL_DEBUG_CONSTANT_IST(KDEBUG_TRACE,
- (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS,
- (waiting_turnstile ? TURNSTILE_UPDATE_STOPPED_BY_LIMIT : THREAD_NOT_WAITING_ON_TURNSTILE)
- )) | DBG_FUNC_NONE,
- thread_tid(thread),
- turnstile_max_hop,
- thread_hop,
- VM_KERNEL_UNSLIDE_OR_PERM(waiting_turnstile), 0);
+ (TURNSTILE_CODE(TURNSTILE_HEAP_OPERATIONS,
+ (waiting_turnstile ? TURNSTILE_UPDATE_STOPPED_BY_LIMIT : THREAD_NOT_WAITING_ON_TURNSTILE)
+ )) | DBG_FUNC_NONE,
+ thread_tid(thread),
+ turnstile_max_hop,
+ thread_hop,
+ VM_KERNEL_UNSLIDE_OR_PERM(waiting_turnstile), 0);
turnstile_stats_update(total_hop + 1, TSU_NO_TURNSTILE |
- TSU_THREAD_ARG | tsu_flags, thread);
+ TSU_THREAD_ARG | tsu_flags, thread);
thread_unlock(thread);
return;
}
needs_update = turnstile_need_thread_promotion_update(waiting_turnstile, thread);
if (!needs_update && !first_update) {
turnstile_stats_update(total_hop + 1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_THREAD_ARG | tsu_flags, thread);
+ TSU_THREAD_ARG | tsu_flags, thread);
thread_unlock(thread);
return;
}
if (turnstile_gencount != turnstile_get_gencount(waiting_turnstile) ||
waiting_turnstile != thread_get_waiting_turnstile(thread)) {
turnstile_stats_update(total_hop + 1, TSU_NO_PRI_CHANGE_NEEDED |
- TSU_THREAD_ARG | tsu_flags, thread);
+ TSU_THREAD_ARG | tsu_flags, thread);
/* No updates required, bail out */
thread_unlock(thread);
waitq_unlock(&waiting_turnstile->ts_waitq);
*/
if (!needs_update && !first_update) {
turnstile_stats_update(total_hop + 1,
- (waiting_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
- TSU_THREAD_ARG | tsu_flags, thread);
+ (waiting_turnstile->ts_inheritor ? TSU_NO_PRI_CHANGE_NEEDED : TSU_NO_INHERITOR) |
+ TSU_THREAD_ARG | tsu_flags, thread);
thread_unlock(thread);
waitq_unlock(&waiting_turnstile->ts_waitq);
return;
#if DEVELOPMENT || DEBUG
-int sysctl_io_opaque(void *req,void *pValue, size_t valueSize, int *changed);
+int sysctl_io_opaque(void *req, void *pValue, size_t valueSize, int *changed);
/*
* Name: turnstile_get_boost_stats_sysctl
turnstile_get_boost_stats_sysctl(
void *req)
{
- return sysctl_io_opaque(req, turnstile_boost_stats, sizeof (struct turnstile_stats) * TURNSTILE_MAX_HOP_DEFAULT, NULL);
+ return sysctl_io_opaque(req, turnstile_boost_stats, sizeof(struct turnstile_stats) * TURNSTILE_MAX_HOP_DEFAULT, NULL);
}
/*
turnstile_get_unboost_stats_sysctl(
void *req)
{
- return sysctl_io_opaque(req, turnstile_unboost_stats, sizeof (struct turnstile_stats) * TURNSTILE_MAX_HOP_DEFAULT, NULL);
+ return sysctl_io_opaque(req, turnstile_unboost_stats, sizeof(struct turnstile_stats) * TURNSTILE_MAX_HOP_DEFAULT, NULL);
}
/* Testing interface for Development kernels */
-#define tstile_test_prim_lock_interlock(test_prim) \
+#define tstile_test_prim_lock_interlock(test_prim) \
lck_spin_lock(&test_prim->ttprim_interlock)
-#define tstile_test_prim_unlock_interlock(test_prim) \
+#define tstile_test_prim_unlock_interlock(test_prim) \
lck_spin_unlock(&test_prim->ttprim_interlock)
static void
/* primitive locked, get a turnstile */
prim_turnstile = turnstile_prepare((uintptr_t)test_prim,
- use_hashtable ? NULL : &test_prim->ttprim_turnstile,
- TURNSTILE_NULL, TURNSTILE_ULOCK);
+ use_hashtable ? NULL : &test_prim->ttprim_turnstile,
+ TURNSTILE_NULL, TURNSTILE_ULOCK);
assert(prim_turnstile != TURNSTILE_NULL);
/* Update the turnstile owner */
turnstile_update_inheritor(prim_turnstile,
- current_thread(),
- (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
+ current_thread(),
+ (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
turnstile_update_inheritor_complete(prim_turnstile, TURNSTILE_INTERLOCK_HELD);
turnstile_complete((uintptr_t)test_prim,
- use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
+ use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
tstile_test_prim_unlock_interlock(test_prim);
test_prim->tt_prim_waiters++;
turnstile_update_inheritor(prim_turnstile,
- test_prim->ttprim_owner,
- (TURNSTILE_DELAYED_UPDATE | TURNSTILE_INHERITOR_THREAD));
+ test_prim->ttprim_owner,
+ (TURNSTILE_DELAYED_UPDATE | TURNSTILE_INHERITOR_THREAD));
waitq_assert_wait64(&prim_turnstile->ts_waitq,
- CAST_EVENT64_T(test_prim), THREAD_ABORTSAFE,
- TIMEOUT_WAIT_FOREVER);
+ CAST_EVENT64_T(test_prim), THREAD_ABORTSAFE,
+ TIMEOUT_WAIT_FOREVER);
/* drop the interlock */
tstile_test_prim_unlock_interlock(test_prim);
tstile_test_prim_lock_interlock(test_prim);
test_prim->tt_prim_waiters--;
turnstile_complete((uintptr_t)test_prim,
- use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
+ use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
tstile_test_prim_unlock_interlock(test_prim);
int
tstile_test_prim_unlock(boolean_t use_hashtable)
{
-
struct tstile_test_prim *test_prim = use_hashtable ? test_prim_global_htable : test_prim_ts_inline;
/* take the interlock of the primitive */
tstile_test_prim_lock_interlock(test_prim);
/* primitive locked, get a turnstile */
prim_turnstile = turnstile_prepare((uintptr_t)test_prim,
- use_hashtable ? NULL : &test_prim->ttprim_turnstile,
- TURNSTILE_NULL, TURNSTILE_ULOCK);
+ use_hashtable ? NULL : &test_prim->ttprim_turnstile,
+ TURNSTILE_NULL, TURNSTILE_ULOCK);
assert(prim_turnstile != TURNSTILE_NULL);
/* Update the turnstile owner */
turnstile_update_inheritor(prim_turnstile,
- NULL,
- (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
+ NULL,
+ (TURNSTILE_IMMEDIATE_UPDATE | TURNSTILE_INHERITOR_THREAD));
waitq_wakeup64_one(&prim_turnstile->ts_waitq,
- CAST_EVENT64_T(test_prim),
- THREAD_AWAKENED, WAITQ_SELECT_MAX_PRI);
+ CAST_EVENT64_T(test_prim),
+ THREAD_AWAKENED, WAITQ_SELECT_MAX_PRI);
turnstile_update_inheritor_complete(prim_turnstile, TURNSTILE_INTERLOCK_HELD);
turnstile_complete((uintptr_t)test_prim,
- use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
+ use_hashtable ? NULL : &test_prim->ttprim_turnstile, NULL);
tstile_test_prim_unlock_interlock(test_prim);
projects / apple / xnu.git / blobdiff