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Searched defs:sem (Results 1 – 25 of 142) sorted by relevance

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/kernel/linux/linux-6.6/kernel/locking/
Drwsem.c68 # define DEBUG_RWSEMS_WARN_ON(c, sem) do { \ argument
78 # define DEBUG_RWSEMS_WARN_ON(c, sem) argument
140 static inline void rwsem_set_owner(struct rw_semaphore *sem) in rwsem_set_owner()
146 static inline void rwsem_clear_owner(struct rw_semaphore *sem) in rwsem_clear_owner()
155 static inline bool rwsem_test_oflags(struct rw_semaphore *sem, long flags) in rwsem_test_oflags()
170 static inline void __rwsem_set_reader_owned(struct rw_semaphore *sem, in __rwsem_set_reader_owned()
179 static inline void rwsem_set_reader_owned(struct rw_semaphore *sem) in rwsem_set_reader_owned()
187 static inline bool is_rwsem_reader_owned(struct rw_semaphore *sem) in is_rwsem_reader_owned()
208 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
219 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
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Dpercpu-rwsem.c14 int __percpu_init_rwsem(struct percpu_rw_semaphore *sem, in __percpu_init_rwsem()
33 void percpu_free_rwsem(struct percpu_rw_semaphore *sem) in percpu_free_rwsem()
48 static bool __percpu_down_read_trylock(struct percpu_rw_semaphore *sem) in __percpu_down_read_trylock()
84 static inline bool __percpu_down_write_trylock(struct percpu_rw_semaphore *sem) in __percpu_down_write_trylock()
92 static bool __percpu_rwsem_trylock(struct percpu_rw_semaphore *sem, bool reader) in __percpu_rwsem_trylock()
124 struct percpu_rw_semaphore *sem = key; in percpu_rwsem_wake_function() local
141 static void percpu_rwsem_wait(struct percpu_rw_semaphore *sem, bool reader) in percpu_rwsem_wait()
167 bool __sched __percpu_down_read(struct percpu_rw_semaphore *sem, bool try) in __percpu_down_read()
195 bool percpu_is_read_locked(struct percpu_rw_semaphore *sem) in percpu_is_read_locked()
209 static bool readers_active_check(struct percpu_rw_semaphore *sem) in readers_active_check()
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Dsemaphore.c55 void __sched down(struct semaphore *sem) in down()
78 int __sched down_interruptible(struct semaphore *sem) in down_interruptible()
105 int __sched down_killable(struct semaphore *sem) in down_killable()
135 int __sched down_trylock(struct semaphore *sem) in down_trylock()
160 int __sched down_timeout(struct semaphore *sem, long timeout) in down_timeout()
184 void __sched up(struct semaphore *sem) in up()
213 static inline int __sched ___down_common(struct semaphore *sem, long state, in ___down_common()
244 static inline int __sched __down_common(struct semaphore *sem, long state, in __down_common()
256 static noinline void __sched __down(struct semaphore *sem) in __down()
261 static noinline int __sched __down_interruptible(struct semaphore *sem) in __down_interruptible()
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/kernel/linux/linux-5.10/kernel/locking/
Drwsem.c105 # define DEBUG_RWSEMS_WARN_ON(c, sem) do { \ argument
115 # define DEBUG_RWSEMS_WARN_ON(c, sem) argument
174 static inline void rwsem_set_owner(struct rw_semaphore *sem) in rwsem_set_owner()
179 static inline void rwsem_clear_owner(struct rw_semaphore *sem) in rwsem_clear_owner()
187 static inline bool rwsem_test_oflags(struct rw_semaphore *sem, long flags) in rwsem_test_oflags()
202 static inline void __rwsem_set_reader_owned(struct rw_semaphore *sem, in __rwsem_set_reader_owned()
211 static inline void rwsem_set_reader_owned(struct rw_semaphore *sem) in rwsem_set_reader_owned()
219 static inline bool is_rwsem_reader_owned(struct rw_semaphore *sem) in is_rwsem_reader_owned()
240 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
251 static inline void rwsem_clear_reader_owned(struct rw_semaphore *sem) in rwsem_clear_reader_owned()
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Dpercpu-rwsem.c12 int __percpu_init_rwsem(struct percpu_rw_semaphore *sem, in __percpu_init_rwsem()
31 void percpu_free_rwsem(struct percpu_rw_semaphore *sem) in percpu_free_rwsem()
46 static bool __percpu_down_read_trylock(struct percpu_rw_semaphore *sem) in __percpu_down_read_trylock()
82 static inline bool __percpu_down_write_trylock(struct percpu_rw_semaphore *sem) in __percpu_down_write_trylock()
90 static bool __percpu_rwsem_trylock(struct percpu_rw_semaphore *sem, bool reader) in __percpu_rwsem_trylock()
122 struct percpu_rw_semaphore *sem = key; in percpu_rwsem_wake_function() local
139 static void percpu_rwsem_wait(struct percpu_rw_semaphore *sem, bool reader) in percpu_rwsem_wait()
165 bool __percpu_down_read(struct percpu_rw_semaphore *sem, bool try) in __percpu_down_read()
199 static bool readers_active_check(struct percpu_rw_semaphore *sem) in readers_active_check()
214 void percpu_down_write(struct percpu_rw_semaphore *sem) in percpu_down_write()
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Dsemaphore.c53 void down(struct semaphore *sem) in down()
75 int down_interruptible(struct semaphore *sem) in down_interruptible()
101 int down_killable(struct semaphore *sem) in down_killable()
130 int down_trylock(struct semaphore *sem) in down_trylock()
155 int down_timeout(struct semaphore *sem, long timeout) in down_timeout()
178 void up(struct semaphore *sem) in up()
204 static inline int __sched __down_common(struct semaphore *sem, long state, in __down_common()
235 static noinline void __sched __down(struct semaphore *sem) in __down()
240 static noinline int __sched __down_interruptible(struct semaphore *sem) in __down_interruptible()
245 static noinline int __sched __down_killable(struct semaphore *sem) in __down_killable()
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/kernel/linux/linux-6.6/drivers/tty/
Dtty_ldsem.c57 void __init_ldsem(struct ld_semaphore *sem, const char *name, in __init_ldsem()
74 static void __ldsem_wake_readers(struct ld_semaphore *sem) in __ldsem_wake_readers()
104 static inline int writer_trylock(struct ld_semaphore *sem) in writer_trylock()
119 static void __ldsem_wake_writer(struct ld_semaphore *sem) in __ldsem_wake_writer()
135 static void __ldsem_wake(struct ld_semaphore *sem) in __ldsem_wake()
143 static void ldsem_wake(struct ld_semaphore *sem) in ldsem_wake()
156 down_read_failed(struct ld_semaphore *sem, long count, long timeout) in down_read_failed()
230 down_write_failed(struct ld_semaphore *sem, long count, long timeout) in down_write_failed()
295 static int __ldsem_down_read_nested(struct ld_semaphore *sem, in __ldsem_down_read_nested()
314 static int __ldsem_down_write_nested(struct ld_semaphore *sem, in __ldsem_down_write_nested()
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/kernel/linux/linux-5.10/drivers/tty/
Dtty_ldsem.c57 void __init_ldsem(struct ld_semaphore *sem, const char *name, in __init_ldsem()
74 static void __ldsem_wake_readers(struct ld_semaphore *sem) in __ldsem_wake_readers()
104 static inline int writer_trylock(struct ld_semaphore *sem) in writer_trylock()
119 static void __ldsem_wake_writer(struct ld_semaphore *sem) in __ldsem_wake_writer()
135 static void __ldsem_wake(struct ld_semaphore *sem) in __ldsem_wake()
143 static void ldsem_wake(struct ld_semaphore *sem) in ldsem_wake()
156 down_read_failed(struct ld_semaphore *sem, long count, long timeout) in down_read_failed()
230 down_write_failed(struct ld_semaphore *sem, long count, long timeout) in down_write_failed()
295 static int __ldsem_down_read_nested(struct ld_semaphore *sem, in __ldsem_down_read_nested()
314 static int __ldsem_down_write_nested(struct ld_semaphore *sem, in __ldsem_down_write_nested()
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/kernel/liteos_m/testsuites/unittest/xts/ipc/semaphone/
Dsem_test.c50 sem_t sem; variable
68 sem_t sem; variable
90 sem_t sem; variable
112 sem_t *sem = (sem_t *)arg; in ThreadChat() local
127 sem_t sem; variable
165 sem_t *sem = (sem_t *)arg; in ThreadNThreadWait1() local
184 sem_t *sem = (sem_t *)arg; in ThreadNThreadWait2() local
207 sem_t sem; variable
263 sem_t sem; variable
288 sem_t sem; variable
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Dsem_xts_test.c53 sem_t sem; variable
78 sem_t sem; variable
103 sem_t sem; variable
128 sem_t sem; variable
166 sem_t sem; variable
204 sem_t sem; variable
217 sem_t *sem = (sem_t*)arg; in ThreadChatF01() local
236 sem_t sem; variable
272 sem_t *sem = (sem_t*)arg; in ThreadSemTimedWait() local
302 sem_t sem; variable
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Dsem_abn_test.c53 sem_t sem; variable
77 sem_t sem; variable
95 sem_t sem; variable
113 sem_t sem; variable
137 sem_t sem; variable
167 sem_t sem; variable
/kernel/linux/linux-6.6/include/linux/
Drwsem.h70 static inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked()
107 #define init_rwsem(sem) \ argument
120 static inline int rwsem_is_contended(struct rw_semaphore *sem) in rwsem_is_contended()
148 #define init_rwsem(sem) \ argument
155 static __always_inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked()
160 static __always_inline int rwsem_is_contended(struct rw_semaphore *sem) in rwsem_is_contended()
237 # define down_write_nest_lock(sem, nest_lock) \ argument
252 # define down_read_nested(sem, subclass) down_read(sem) argument
253 # define down_read_killable_nested(sem, subclass) down_read_killable(sem) argument
254 # define down_write_nest_lock(sem, nest_lock) down_write(sem) argument
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Dpercpu-rwsem.h47 static inline void percpu_down_read(struct percpu_rw_semaphore *sem) in percpu_down_read()
73 static inline bool percpu_down_read_trylock(struct percpu_rw_semaphore *sem) in percpu_down_read_trylock()
97 static inline void percpu_up_read(struct percpu_rw_semaphore *sem) in percpu_up_read()
128 static inline bool percpu_is_write_locked(struct percpu_rw_semaphore *sem) in percpu_is_write_locked()
138 #define percpu_init_rwsem(sem) \ argument
144 #define percpu_rwsem_is_held(sem) lockdep_is_held(sem) argument
145 #define percpu_rwsem_assert_held(sem) lockdep_assert_held(sem) argument
147 static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem, in percpu_rwsem_release()
153 static inline void percpu_rwsem_acquire(struct percpu_rw_semaphore *sem, in percpu_rwsem_acquire()
/kernel/linux/linux-5.10/include/linux/
Drwsem.h57 static inline int rwsem_is_locked(struct rw_semaphore *sem) in rwsem_is_locked()
104 #define init_rwsem(sem) \ argument
117 static inline int rwsem_is_contended(struct rw_semaphore *sem) in rwsem_is_contended()
180 # define down_write_nest_lock(sem, nest_lock) \ argument
195 # define down_read_nested(sem, subclass) down_read(sem) argument
196 # define down_read_killable_nested(sem, subclass) down_read_killable(sem) argument
197 # define down_write_nest_lock(sem, nest_lock) down_write(sem) argument
198 # define down_write_nested(sem, subclass) down_write(sem) argument
199 # define down_write_killable_nested(sem, subclass) down_write_killable(sem) argument
200 # define down_read_non_owner(sem) down_read(sem) argument
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Dpercpu-rwsem.h47 static inline void percpu_down_read(struct percpu_rw_semaphore *sem) in percpu_down_read()
73 static inline bool percpu_down_read_trylock(struct percpu_rw_semaphore *sem) in percpu_down_read_trylock()
97 static inline void percpu_up_read(struct percpu_rw_semaphore *sem) in percpu_up_read()
132 #define percpu_init_rwsem(sem) \ argument
138 #define percpu_rwsem_is_held(sem) lockdep_is_held(sem) argument
139 #define percpu_rwsem_assert_held(sem) lockdep_assert_held(sem) argument
141 static inline void percpu_rwsem_release(struct percpu_rw_semaphore *sem, in percpu_rwsem_release()
147 static inline void percpu_rwsem_acquire(struct percpu_rw_semaphore *sem, in percpu_rwsem_acquire()
/kernel/linux/linux-5.10/tools/perf/util/
Drwsem.c5 int init_rwsem(struct rw_semaphore *sem) in init_rwsem()
10 int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
15 int down_read(struct rw_semaphore *sem) in down_read()
20 int up_read(struct rw_semaphore *sem) in up_read()
25 int down_write(struct rw_semaphore *sem) in down_write()
30 int up_write(struct rw_semaphore *sem) in up_write()
/kernel/linux/linux-6.6/tools/perf/util/
Drwsem.c5 int init_rwsem(struct rw_semaphore *sem) in init_rwsem()
10 int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
15 int down_read(struct rw_semaphore *sem) in down_read()
20 int up_read(struct rw_semaphore *sem) in up_read()
25 int down_write(struct rw_semaphore *sem) in down_write()
30 int up_write(struct rw_semaphore *sem) in up_write()
/kernel/liteos_a/compat/posix/src/
Dsemaphore.c39 int sem_init(sem_t *sem, int shared, unsigned int value) in sem_init()
60 int sem_destroy(sem_t *sem) in sem_destroy()
77 int sem_wait(sem_t *sem) in sem_wait()
95 int sem_trywait(sem_t *sem) in sem_trywait()
115 int sem_timedwait(sem_t *sem, const struct timespec *timeout) in sem_timedwait()
139 int sem_post(sem_t *sem) in sem_post()
156 int sem_getvalue(sem_t *sem, int *currVal) in sem_getvalue()
181 int sem_close(sem_t *sem) in sem_close()
/kernel/linux/linux-6.6/tools/include/linux/
Drwsem.h11 static inline int init_rwsem(struct rw_semaphore *sem) in init_rwsem()
16 static inline int exit_rwsem(struct rw_semaphore *sem) in exit_rwsem()
21 static inline int down_read(struct rw_semaphore *sem) in down_read()
26 static inline int up_read(struct rw_semaphore *sem) in up_read()
31 static inline int down_write(struct rw_semaphore *sem) in down_write()
36 static inline int up_write(struct rw_semaphore *sem) in up_write()
/kernel/liteos_m/kal/posix/src/
Dsemaphore.c68 int sem_init(sem_t *sem, int shared, unsigned int value) in sem_init()
91 int sem_destroy(sem_t *sem) in sem_destroy()
109 int sem_wait(sem_t *sem) in sem_wait()
127 int sem_post(sem_t *sem) in sem_post()
145 int sem_trywait(sem_t *sem) in sem_trywait()
163 int sem_timedwait(sem_t *sem, const struct timespec *timeout) in sem_timedwait()
192 int sem_getvalue(sem_t *sem, int *currVal) in sem_getvalue()
/kernel/uniproton/src/osal/posix/
Dprt_posix_sem.c21 int sem_init(sem_t *sem, int shared, unsigned int value) in sem_init()
67 SemHandle sem; in sem_open() local
133 int sem_close(sem_t *sem) in sem_close()
163 int sem_getvalue(sem_t *__restrict sem, int *__restrict val) in sem_getvalue()
192 int sem_wait(sem_t *sem) in sem_wait()
221 int sem_trywait(sem_t *sem) in sem_trywait()
250 int sem_timedwait(sem_t *__restrict sem, const struct timespec *__restrict at) in sem_timedwait()
281 int sem_post(sem_t *sem) in sem_post()
311 int sem_destroy(sem_t *sem) in sem_destroy()
/kernel/liteos_m/testsuites/unittest/posix/src/semaphore/
Dsemaphore_func_test.c107 sem_t sem; variable
139 sem_t sem; variable
180 sem_t sem; variable
225 sem_t sem; variable
/kernel/liteos_a/net/lwip-2.1/porting/src/
Dsys_arch.c250 err_t sys_sem_new(sys_sem_t *sem, u8_t count) in sys_sem_new()
260 void sys_sem_signal(sys_sem_t *sem) in sys_sem_signal()
265 u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeoutMs) in sys_arch_sem_wait()
281 void sys_sem_free(sys_sem_t *sem) in sys_sem_free()
286 int sys_sem_valid(sys_sem_t *sem) in sys_sem_valid()
291 void sys_sem_set_invalid(sys_sem_t *sem) in sys_sem_set_invalid()
/kernel/liteos_m/components/net/lwip-2.1/porting/src/
Dsys_arch.c288 err_t sys_sem_new(sys_sem_t *sem, u8_t count) in sys_sem_new()
303 void sys_sem_signal(sys_sem_t *sem) in sys_sem_signal()
312 u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeoutMs) in sys_arch_sem_wait()
333 void sys_sem_free(sys_sem_t *sem) in sys_sem_free()
342 int sys_sem_valid(sys_sem_t *sem) in sys_sem_valid()
351 void sys_sem_set_invalid(sys_sem_t *sem) in sys_sem_set_invalid()
/kernel/uniproton/src/net/lwip-2.1/src/
Dsys_arch.c276 err_t sys_sem_new(sys_sem_t *sem, u8_t count) in sys_sem_new()
291 void sys_sem_signal(sys_sem_t *sem) in sys_sem_signal()
300 u32_t sys_arch_sem_wait(sys_sem_t *sem, u32_t timeoutMs) in sys_arch_sem_wait()
320 void sys_sem_free(sys_sem_t *sem) in sys_sem_free()
329 int sys_sem_valid(sys_sem_t *sem) in sys_sem_valid()
338 void sys_sem_set_invalid(sys_sem_t *sem) in sys_sem_set_invalid()

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