Searched refs:lock (Results 1 - 25 of 200) sorted by relevance

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/darwin-on-arm/xnu/osfmk/mach/i386/
H A Dflipc_dep.h53 * Flipc simple lock defines. These are almost completely for the use
60 * These locks may be declared by "flipc_simple_lock lock;". If they
74 #define flipc_simple_lock_init(lock) \
76 *(lock) = SIMPLE_LOCK_INITIALIZER; \
83 #define flipc_simple_lock_locked(lock) ((*lock) != SIMPLE_LOCK_INITIALIZER)
86 extern __inline__ int flipc_simple_lock_try(flipc_simple_lock *lock) argument
89 __asm__ volatile("movl $1, %0; xchgl %0, %1" : "=&r" (r), "=m" (*lock));
94 extern __inline__ void flipc_simple_lock_release(flipc_simple_lock *lock) argument
98 __asm__ volatile("xorl %0, %0; xchgl %0, %1" : "=&r" (t), "=m" (*lock));
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/darwin-on-arm/xnu/iokit/Kernel/
H A DIOLocks.cpp40 void IOLockInitWithState( IOLock * lock, IOLockState state) argument
43 lck_mtx_lock( lock);
51 void IOLockFree( IOLock * lock) argument
53 lck_mtx_free( lock, IOLockGroup);
56 lck_mtx_t * IOLockGetMachLock( IOLock * lock) argument
58 return( (lck_mtx_t *)lock);
61 int IOLockSleep( IOLock * lock, void *event, UInt32 interType) argument
63 return (int) lck_mtx_sleep(lock, LCK_SLEEP_DEFAULT, (event_t) event, (wait_interrupt_t) interType);
66 int IOLockSleepDeadline( IOLock * lock, void *event, argument
69 return (int) lck_mtx_sleep_deadline(lock, LCK_SLEEP_DEFAUL
73 IOLockWakeup(IOLock * lock, void *event, bool oneThread) argument
88 _IORecursiveLock * lock; local
118 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
131 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
146 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
165 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
177 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
184 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
206 _IORecursiveLock * lock = (_IORecursiveLock *)_lock; local
240 IORWLockFree( IORWLock * lock) argument
245 IORWLockGetMachLock( IORWLock * lock) argument
260 IOSimpleLockInit( IOSimpleLock * lock) argument
270 IOSimpleLockGetMachLock( IOSimpleLock * lock) argument
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H A DIOStatistics.cpp70 IORWLock *IOStatistics::lock = NULL; member in class:IOStatistics
189 lock = IORWLockAlloc();
190 if (!lock) {
230 IORWLockWrite(lock);
239 IORWLockUnlock(lock);
254 IORWLockWrite(lock);
296 IORWLockUnlock(lock);
319 IORWLockWrite(lock);
363 IORWLockUnlock(lock);
378 IORWLockWrite(lock);
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/darwin-on-arm/xnu/iokit/IOKit/
H A DIOLocks.h54 Global lock group used by all IOKit locks. To simplify kext debugging and lock-heat analysis, consider using lck_* locks with a per-driver lock group, as defined in kern/locks.h.
63 * Mutex lock operations
75 @discussion Allocates a mutex in general purpose memory, and initializes it. Mutexes are general purpose blocking mutual exclusion locks, supplied by libkern/locks.h. This function may block and so should not be called from interrupt level or while a spin lock is held. IOLocks use the global IOKit lock group, IOLockGroup. To simplify kext debugging and lock-heat analysis, consider using lck_* locks with a per-driver lock group, as defined in kern/locks.h.
76 @result Pointer to the allocated lock, or zero on failure. */
82 @discussion Frees a lock allocate
158 IOTakeLock( IOLock * lock) argument
159 IOTryLock( IOLock * lock) argument
160 IOUnlock( IOLock * lock) argument
297 IOReadLock( IORWLock * lock) argument
298 IOWriteLock( IORWLock * lock) argument
299 IORWUnlock( IORWLock * lock) argument
403 IOSimpleLockUnlockEnableInterrupt( IOSimpleLock * lock, IOInterruptState state ) argument
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/darwin-on-arm/xnu/osfmk/mach/
H A Dflipc_locks.h57 * Separated the lock macros out into machine dependent and independent files;
82 /* Get the simple lock type. */
86 * Lock function prototypes. This needs to be before any lock definitions
90 /* Initializes lock. Always a macro (so that kernel code can use it without
92 void flipc_simple_lock_init(flipc_simple_lock *lock);
94 /* Returns 1 if lock gained, 0 otherwise. */
95 int flipc_simple_lock_try(flipc_simple_lock *lock);
97 /* Returns 1 if lock is locked, 0 otherwise. */
98 int flipc_simple_lock_locked(flipc_simple_lock *lock);
100 /* Releases the lock
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/darwin-on-arm/xnu/osfmk/kern/
H A Dlock.h57 * File: kern/lock.h
70 #include <machine/lock.h>
82 lock_t *lock,
95 lock_t *lock);
98 lock_t *lock);
101 lock_t *lock);
104 lock_t *lock);
107 lock_t *lock);
113 lock_t *lock);
119 usimple_lock_t lock,
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H A Dsync_lock.h36 * Contains RT distributed lock synchronization service definitions.
53 queue_chain_t held_link; /* ulocks held in the lock set */
55 struct lock_set *lock_set; /* the retaining lock set */
56 thread_t holder; /* thread that holds the lock */
60 decl_lck_mtx_data(,lock) /* ulock lock */
73 queue_chain_t task_link; /* lock sets owned by a task MUST BE FIRST */
74 task_t owner; /* task that owns the lock set */
75 ipc_port_t port; /* lock set port */
76 decl_lck_mtx_data(,lock) /* loc
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H A Dhost.h80 decl_lck_mtx_data(,lock) /* lock to protect exceptions */
89 #define host_lock(host) lck_mtx_lock(&(host)->lock)
90 #define host_unlock(host) lck_mtx_unlock(&(host)->lock)
H A Dmk_timer.h46 decl_simple_lock_data(,lock);
H A Dmk_timer.c83 simple_lock_init(&timer->lock, 0);
109 simple_lock(&timer->lock);
121 simple_unlock(&timer->lock);
128 simple_unlock(&timer->lock);
152 simple_lock(&timer->lock);
156 simple_unlock(&timer->lock);
168 simple_unlock(&timer->lock);
179 simple_lock(&timer->lock);
183 simple_unlock(&timer->lock);
190 simple_unlock(&timer->lock);
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H A Dspl.c29 #include <kern/lock.h>
H A Dlocks.c110 * Obtain "lcks" options:this currently controls lock statistics
309 return panic("lck_grp_lckcnt_incr(): invalid lock type: %d\n", lck_type);
337 return panic("lck_grp_lckcnt_decr(): invalid lock type: %d\n", lck_type);
441 panic("Invalid lock sleep action %x\n", lck_sleep_action);
472 panic("Invalid lock sleep action %x\n", lck_sleep_action);
505 panic("Invalid lock sleep action %x\n", lck_sleep_action);
545 panic("Invalid lock sleep action %x\n", lck_sleep_action);
866 panic("Invalid lock sleep action %x\n", lck_sleep_action);
904 panic("Invalid lock sleep action %x\n", lck_sleep_action);
1016 extern void lock_done_EXT(lck_rw_t *lock);
1049 lock_done_EXT( lck_rw_t *lock) argument
1056 lock_free_EXT( lck_rw_t *lock) argument
1063 lock_init_EXT( lck_rw_t *lock, __unused boolean_t can_sleep, __unused unsigned short tag0, __unused unsigned short tag1) argument
1073 lock_read_EXT( lck_rw_t *lock) argument
1080 lock_read_to_write_EXT( lck_rw_t *lock) argument
1087 lock_write_EXT( lck_rw_t *lock) argument
1094 lock_write_to_read_EXT( lck_rw_t *lock) argument
1101 thread_sleep_lock_write_EXT( event_t event, lck_rw_t *lock, wait_interrupt_t interruptible) argument
1110 usimple_lock_EXT( lck_spin_t *lock) argument
1117 usimple_lock_init_EXT( lck_spin_t *lock, __unused unsigned short tag) argument
1125 usimple_lock_try_EXT( lck_spin_t *lock) argument
1132 usimple_unlock_EXT( lck_spin_t *lock) argument
1139 thread_sleep_usimple_lock_EXT( event_t event, lck_spin_t *lock, wait_interrupt_t interruptible) argument
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H A Dkalloc.h78 #include <kern/lock.h>
H A Dsync_sema.h48 #include <kern/lock.h>
53 struct wait_queue wait_queue; /* queue of blocked threads & lock */
H A Dtask_swap.c40 #include <kern/lock.h>
H A Dtimer_call.c124 simple_lock_init(&(call)->lock, 0);
133 * by the queue lock and the call entry lock. The locking protocol is:
137 * 1) With only the entry lock held, entry.queue is valid:
145 * 2) If a queue lock is obtained first, the queue is stable:
146 * 2a) If a try-lock of a queued entry succeeds, the call can be operated on
148 * 2b) If a try-lock fails, it indicates that another thread is attempting
152 * the entry.queue pointer (protected by the entry lock we don't own).
173 if (!hw_lock_held((hw_lock_t)&entry->lock))
177 * XXX The queue lock i
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/darwin-on-arm/xnu/bsd/kern/
H A Dkern_lockf.c66 #include <sys/lock.h>
89 void lf_print(const char *tag, struct lockf *lock);
90 void lf_printlist(const char *tag, struct lockf *lock);
116 * Overlapping lock states
143 * lock operation to be attempted.
166 struct lockf *lock; local
180 LOCKF_DEBUG(0, "lf_advlock: '%s' unlock without lock\n", vfs_context_proc(context)->p_comm);
251 MALLOC(lock, struct lockf *, sizeof *lock, M_LOCKF, M_WAITOK);
252 if (lock
313 struct lockf *lock; local
366 lf_coalesce_adjacent(struct lockf *lock) argument
442 lf_setlock(struct lockf *lock) argument
872 lf_getlock(struct lockf *lock, struct flock *fl, pid_t matchpid) argument
916 lf_getblock(struct lockf *lock, pid_t matchpid) argument
988 lf_findoverlap(struct lockf *lf, struct lockf *lock, int type, struct lockf ***prev, struct lockf **overlap) argument
1230 lf_print(const char *tag, struct lockf *lock) argument
1270 lf_printlist(const char *tag, struct lockf *lock) argument
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/darwin-on-arm/xnu/tools/tests/libMicro/
H A Dmutex.c48 pthread_mutex_t *lock; variable
64 "notes: measures uncontended pthread_mutex_[un,]lock\n");
114 lock = (pthread_mutex_t *)mmap(NULL,
120 if (lock == MAP_FAILED) {
128 if (pthread_mutex_init(lock, &attr) != 0)
152 ts->ts_lock = lock;
/darwin-on-arm/xnu/iokit/Kernel/x86_64/
H A DIOSharedLock.s33 * Unlock the lock pointed to by p.
48 * Try to lock p. Return zero if not successful.
56 lock
/darwin-on-arm/xnu/libkern/x86_64/
H A DOSAtomic.s42 lock
64 lock
84 lock
102 lock
/darwin-on-arm/xnu/osfmk/i386/commpage/
H A Dcommpage_asm.s49 lock
57 lock
70 lock
78 lock
H A Dfifo_queues.s53 * Because they cannot be implemented reasonably without a lock, we put the "atomic"
125 lock
131 lock
137 lock
170 lock
176 lock
182 lock
270 lock
276 lock
282 lock
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/darwin-on-arm/xnu/libsyscall/custom/
H A D__vfork.s64 lock
72 lock
85 lock
105 lock
114 lock
127 lock
150 swp r1, r2, [r3] // look at the value, lock others out
187 swp r1, r2, [r3] // look at the value, lock others out
/darwin-on-arm/xnu/osfmk/arm/
H A Dmp.h73 #include <kern/lock.h>
77 decl_simple_lock_data(extern, kdb_lock); /* kdb lock */
/darwin-on-arm/xnu/iokit/Kernel/i386/
H A DIOSharedLock.s33 * Unlock the lock pointed to by p.
49 * Try to lock p. Return zero if not successful.
57 lock

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