| /linux-2.4.37.9/lib/ |
| D | rwsem-spinlock.c | 24 void rwsemtrace(struct rw_semaphore *sem, const char *str) in rwsemtrace() argument
26 if (sem->debug) in rwsemtrace()
28 current->pid,str,sem->activity,list_empty(&sem->wait_list)?0:1); in rwsemtrace()
35 void fastcall init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
37 sem->activity = 0; in init_rwsem()
38 spin_lock_init(&sem->wait_lock); in init_rwsem()
39 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
41 sem->debug = 0; in init_rwsem()
53 static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem) in __rwsem_do_wake() argument
59 rwsemtrace(sem,"Entering __rwsem_do_wake"); in __rwsem_do_wake()
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| D | rwsem.c | 21 void rwsemtrace(struct rw_semaphore *sem, const char *str) in rwsemtrace() argument
23 printk("sem=%p\n",sem); in rwsemtrace()
24 printk("(sem)=%08lx\n",sem->count); in rwsemtrace()
25 if (sem->debug) in rwsemtrace()
26 printk("[%d] %s({%08lx})\n",current->pid,str,sem->count); in rwsemtrace()
39 static inline struct rw_semaphore *__rwsem_do_wake(struct rw_semaphore *sem) in __rwsem_do_wake() argument
46 rwsemtrace(sem,"Entering __rwsem_do_wake"); in __rwsem_do_wake()
50 oldcount = rwsem_atomic_update(RWSEM_ACTIVE_BIAS,sem) - RWSEM_ACTIVE_BIAS; in __rwsem_do_wake()
54 waiter = list_entry(sem->wait_list.next,struct rwsem_waiter,list); in __rwsem_do_wake()
80 if (waiter->list.next==&sem->wait_list) in __rwsem_do_wake()
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| /linux-2.4.37.9/include/asm-parisc/ |
| D | semaphore.h | 54 extern inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
56 *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val); in sema_init()
59 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
61 sema_init(sem, 1); in init_MUTEX()
64 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
66 sema_init(sem, 0); in init_MUTEX_LOCKED()
69 static inline int sem_getcount(struct semaphore *sem) in sem_getcount() argument
71 return sem->count; in sem_getcount()
74 asmlinkage void __down(struct semaphore * sem);
75 asmlinkage int __down_interruptible(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-alpha/ |
| D | rwsem.h | 21 extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
22 extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
56 static inline void init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
58 sem->count = RWSEM_UNLOCKED_VALUE; in init_rwsem()
59 spin_lock_init(&sem->wait_lock); in init_rwsem()
60 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
62 sem->debug = 0; in init_rwsem()
66 static inline void __down_read(struct rw_semaphore *sem) in __down_read() argument
70 oldcount = sem->count; in __down_read()
71 sem->count += RWSEM_ACTIVE_READ_BIAS; in __down_read()
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| D | semaphore.h | 49 static inline void sema_init(struct semaphore *sem, int val) in sema_init() argument
57 atomic_set(&sem->count, val); in sema_init()
58 atomic_set(&sem->waking, -1); in sema_init()
59 init_waitqueue_head(&sem->wait); in sema_init()
61 sem->__magic = (long)&sem->__magic; in sema_init()
65 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
67 sema_init(sem, 1); in init_MUTEX()
70 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
72 sema_init(sem, 0); in init_MUTEX_LOCKED()
83 static inline int sem_getcount(struct semaphore *sem) in sem_getcount() argument
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| /linux-2.4.37.9/include/asm-mips/ |
| D | semaphore.h | 56 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
58 atomic_set(&sem->count, val); in sema_init()
59 atomic_set(&sem->waking, 0); in sema_init()
60 init_waitqueue_head(&sem->wait); in sema_init()
62 sem->__magic = (long)&sem->__magic; in sema_init()
66 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
68 sema_init(sem, 1); in init_MUTEX()
71 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
73 sema_init(sem, 0); in init_MUTEX_LOCKED()
84 extern void __down_failed(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-mips64/ |
| D | semaphore.h | 56 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
58 atomic_set(&sem->count, val); in sema_init()
59 atomic_set(&sem->waking, 0); in sema_init()
60 init_waitqueue_head(&sem->wait); in sema_init()
62 sem->__magic = (long)&sem->__magic; in sema_init()
66 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
68 sema_init(sem, 1); in init_MUTEX()
71 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
73 sema_init(sem, 0); in init_MUTEX_LOCKED()
84 extern void __down_failed(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-ia64/ |
| D | rwsem.h | 62 extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
63 extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
64 extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem);
65 extern struct rw_semaphore *rwsem_downgrade_wake(struct rw_semaphore *sem);
68 init_rwsem (struct rw_semaphore *sem) in init_rwsem() argument
70 sem->count = RWSEM_UNLOCKED_VALUE; in init_rwsem()
71 spin_lock_init(&sem->wait_lock); in init_rwsem()
72 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
74 sem->debug = 0; in init_rwsem()
82 __down_read (struct rw_semaphore *sem) in __down_read() argument
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| D | semaphore.h | 44 sema_init (struct semaphore *sem, int val) in sema_init() argument
46 *sem = (struct semaphore) __SEMAPHORE_INITIALIZER(*sem, val); in sema_init()
50 init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
52 sema_init(sem, 1); in init_MUTEX()
56 init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
58 sema_init(sem, 0); in init_MUTEX_LOCKED()
61 extern void __down (struct semaphore * sem);
62 extern int __down_interruptible (struct semaphore * sem);
63 extern int __down_trylock (struct semaphore * sem);
64 extern void __up (struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-sh/ |
| D | semaphore.h | 51 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
59 atomic_set(&sem->count, val); in sema_init()
60 sem->sleepers = 0; in sema_init()
61 init_waitqueue_head(&sem->wait); in sema_init()
63 sem->__magic = (int)&sem->__magic; in sema_init()
67 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
69 sema_init(sem, 1); in init_MUTEX()
72 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
74 sema_init(sem, 0); in init_MUTEX_LOCKED()
84 asmlinkage void __down(struct semaphore * sem);
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| /linux-2.4.37.9/include/linux/ |
| D | rwsem.h | 34 extern void FASTCALL(rwsemtrace(struct rw_semaphore *sem, const char *str));
43 static inline void down_read(struct rw_semaphore *sem) in down_read() argument
45 rwsemtrace(sem,"Entering down_read"); in down_read()
46 __down_read(sem); in down_read()
47 rwsemtrace(sem,"Leaving down_read"); in down_read()
53 static inline int down_read_trylock(struct rw_semaphore *sem) in down_read_trylock() argument
56 rwsemtrace(sem,"Entering down_read_trylock"); in down_read_trylock()
57 ret = __down_read_trylock(sem); in down_read_trylock()
58 rwsemtrace(sem,"Leaving down_read_trylock"); in down_read_trylock()
65 static inline void down_write(struct rw_semaphore *sem) in down_write() argument
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| /linux-2.4.37.9/include/asm-i386/ |
| D | rwsem.h | 48 extern struct rw_semaphore *FASTCALL(rwsem_down_read_failed(struct rw_semaphore *sem));
49 extern struct rw_semaphore *FASTCALL(rwsem_down_write_failed(struct rw_semaphore *sem));
86 static inline void init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
88 sem->count = RWSEM_UNLOCKED_VALUE; in init_rwsem()
89 spin_lock_init(&sem->wait_lock); in init_rwsem()
90 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
92 sem->debug = 0; in init_rwsem()
99 static inline void __down_read(struct rw_semaphore *sem) in __down_read() argument
116 : "=m"(sem->count) in __down_read()
117 : "a"(sem), "m"(sem->count) in __down_read()
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| D | semaphore.h | 73 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
81 atomic_set(&sem->count, val); in sema_init()
82 sem->sleepers = 0; in sema_init()
83 init_waitqueue_head(&sem->wait); in sema_init()
85 sem->__magic = (int)&sem->__magic; in sema_init()
89 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
91 sema_init(sem, 1); in init_MUTEX()
94 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
96 sema_init(sem, 0); in init_MUTEX_LOCKED()
104 asmlinkage void __down(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-x86_64/ |
| D | semaphore.h | 75 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
83 atomic_set(&sem->count, val); in sema_init()
84 sem->sleepers = 0; in sema_init()
85 init_waitqueue_head(&sem->wait); in sema_init()
87 sem->__magic = (int)&sem->__magic; in sema_init()
91 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
93 sema_init(sem, 1); in init_MUTEX()
96 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
98 sema_init(sem, 0); in init_MUTEX_LOCKED()
106 asmlinkage void __down(struct semaphore * sem);
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| /linux-2.4.37.9/arch/alpha/kernel/ |
| D | semaphore.c | 56 __down_failed(struct semaphore *sem) in __down_failed() argument
62 current->comm, current->pid, sem); in __down_failed()
67 add_wait_queue_exclusive(&sem->wait, &wait); in __down_failed()
87 : "=r"(ret), "=&r"(tmp), "=m"(sem->waking) in __down_failed()
97 remove_wait_queue(&sem->wait, &wait); in __down_failed()
102 current->comm, current->pid, sem); in __down_failed()
107 __down_failed_interruptible(struct semaphore *sem) in __down_failed_interruptible() argument
114 current->comm, current->pid, sem); in __down_failed_interruptible()
119 add_wait_queue_exclusive(&sem->wait, &wait); in __down_failed_interruptible()
169 "=&r"(tmp3), "=m"(*sem) in __down_failed_interruptible()
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| /linux-2.4.37.9/include/asm-sh64/ |
| D | semaphore.h | 51 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
59 atomic_set(&sem->count, val); in sema_init()
60 sem->sleepers = 0; in sema_init()
61 init_waitqueue_head(&sem->wait); in sema_init()
63 sem->__magic = (int)&sem->__magic; in sema_init()
67 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
69 sema_init(sem, 1); in init_MUTEX()
72 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
74 sema_init(sem, 0); in init_MUTEX_LOCKED()
84 asmlinkage void __down(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-ppc/ |
| D | semaphore.h | 58 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
60 atomic_set(&sem->count, val); in sema_init()
61 init_waitqueue_head(&sem->wait); in sema_init()
63 sem->__magic = (long)&sem->__magic; in sema_init()
67 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
69 sema_init(sem, 1); in init_MUTEX()
72 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
74 sema_init(sem, 0); in init_MUTEX_LOCKED()
77 extern void __down(struct semaphore * sem);
78 extern int __down_interruptible(struct semaphore * sem);
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| D | rwsem.h | 52 extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
53 extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
54 extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem);
56 static inline void init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
58 sem->count = RWSEM_UNLOCKED_VALUE; in init_rwsem()
59 spin_lock_init(&sem->wait_lock); in init_rwsem()
60 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
62 sem->debug = 0; in init_rwsem()
69 static inline void __down_read(struct rw_semaphore *sem) in __down_read() argument
71 if (atomic_inc_return((atomic_t *)(&sem->count)) >= 0) in __down_read()
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| /linux-2.4.37.9/include/asm-ppc64/ |
| D | semaphore.h | 52 static inline void sema_init (struct semaphore *sem, int val) in sema_init() argument
54 atomic_set(&sem->count, val); in sema_init()
55 init_waitqueue_head(&sem->wait); in sema_init()
57 sem->__magic = (long)&sem->__magic; in sema_init()
61 static inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
63 sema_init(sem, 1); in init_MUTEX()
66 static inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
68 sema_init(sem, 0); in init_MUTEX_LOCKED()
71 extern void __down(struct semaphore * sem);
72 extern int __down_interruptible(struct semaphore * sem);
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| D | rwsem.h | 57 extern struct rw_semaphore *rwsem_down_read_failed(struct rw_semaphore *sem);
58 extern struct rw_semaphore *rwsem_down_write_failed(struct rw_semaphore *sem);
59 extern struct rw_semaphore *rwsem_wake(struct rw_semaphore *sem);
61 static inline void init_rwsem(struct rw_semaphore *sem) in init_rwsem() argument
63 sem->count = RWSEM_UNLOCKED_VALUE; in init_rwsem()
64 spin_lock_init(&sem->wait_lock); in init_rwsem()
65 INIT_LIST_HEAD(&sem->wait_list); in init_rwsem()
67 sem->debug = 0; in init_rwsem()
74 static inline void __down_read(struct rw_semaphore *sem) in __down_read() argument
76 if (atomic_inc_return((atomic_t *)(&sem->count)) >= 0) in __down_read()
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| /linux-2.4.37.9/include/asm-arm/ |
| D | semaphore.h | 45 static inline void sema_init(struct semaphore *sem, int val) in sema_init() argument
47 atomic_set(&sem->count, val); in sema_init()
48 sem->sleepers = 0; in sema_init()
49 init_waitqueue_head(&sem->wait); in sema_init()
51 sem->__magic = (long)&sem->__magic; in sema_init()
55 static inline void init_MUTEX(struct semaphore *sem) in init_MUTEX() argument
57 sema_init(sem, 1); in init_MUTEX()
60 static inline void init_MUTEX_LOCKED(struct semaphore *sem) in init_MUTEX_LOCKED() argument
62 sema_init(sem, 0); in init_MUTEX_LOCKED()
73 extern void __down(struct semaphore * sem);
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| /linux-2.4.37.9/include/asm-cris/ |
| D | semaphore.h | 50 extern inline void sema_init(struct semaphore *sem, int val) in sema_init() argument
52 *sem = (struct semaphore)__SEMAPHORE_INITIALIZER((*sem),val); in sema_init()
55 extern inline void init_MUTEX (struct semaphore *sem) in init_MUTEX() argument
57 sema_init(sem, 1); in init_MUTEX()
60 extern inline void init_MUTEX_LOCKED (struct semaphore *sem) in init_MUTEX_LOCKED() argument
62 sema_init(sem, 0); in init_MUTEX_LOCKED()
65 extern void __down(struct semaphore * sem);
66 extern int __down_interruptible(struct semaphore * sem);
67 extern int __down_trylock(struct semaphore * sem);
68 extern void __up(struct semaphore * sem);
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| /linux-2.4.37.9/arch/s390x/kernel/ |
| D | semaphore.c | 47 void __up(struct semaphore *sem) in __up() argument
49 wake_up(&sem->wait); in __up()
54 void __down(struct semaphore * sem) in __down() argument
59 add_wait_queue_exclusive(&sem->wait, &wait); in __down()
62 sem->sleepers++; in __down()
64 int sleepers = sem->sleepers; in __down()
70 if (!atomic_add_negative(sleepers - 1, &sem->count)) { in __down()
71 sem->sleepers = 0; in __down()
74 sem->sleepers = 1; /* us - see -1 above */ in __down()
82 remove_wait_queue(&sem->wait, &wait); in __down()
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| /linux-2.4.37.9/arch/arm/kernel/ |
| D | semaphore.c | 50 void __up(struct semaphore *sem) in __up() argument
52 wake_up(&sem->wait); in __up()
57 void __down(struct semaphore * sem) in __down() argument
62 add_wait_queue_exclusive(&sem->wait, &wait); in __down()
65 sem->sleepers++; in __down()
67 int sleepers = sem->sleepers; in __down()
73 if (!atomic_add_negative(sleepers - 1, &sem->count)) { in __down()
74 sem->sleepers = 0; in __down()
77 sem->sleepers = 1; /* us - see -1 above */ in __down()
85 remove_wait_queue(&sem->wait, &wait); in __down()
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| /linux-2.4.37.9/arch/x86_64/kernel/ |
| D | semaphore.c | 51 void __up(struct semaphore *sem) in __up() argument
53 wake_up(&sem->wait); in __up()
58 void __down(struct semaphore * sem) in __down() argument
63 add_wait_queue_exclusive(&sem->wait, &wait); in __down()
66 sem->sleepers++; in __down()
68 int sleepers = sem->sleepers; in __down()
74 if (!atomic_add_negative(sleepers - 1, &sem->count)) { in __down()
75 sem->sleepers = 0; in __down()
78 sem->sleepers = 1; /* us - see -1 above */ in __down()
86 remove_wait_queue(&sem->wait, &wait); in __down()
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