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Searched refs:ld_semaphore (Results 1 – 3 of 3) sorted by relevance

/Linux-v5.4/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()
155 static struct ld_semaphore __sched *
156 down_read_failed(struct ld_semaphore *sem, long count, long timeout) in down_read_failed()
229 static struct ld_semaphore __sched *
230 down_write_failed(struct ld_semaphore *sem, long count, long timeout) in down_write_failed()
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/Linux-v5.4/include/linux/
Dtty_ldisc.h133 struct ld_semaphore { struct
144 extern void __init_ldsem(struct ld_semaphore *sem, const char *name, argument
155 extern int ldsem_down_read(struct ld_semaphore *sem, long timeout);
156 extern int ldsem_down_read_trylock(struct ld_semaphore *sem);
157 extern int ldsem_down_write(struct ld_semaphore *sem, long timeout);
158 extern int ldsem_down_write_trylock(struct ld_semaphore *sem);
159 extern void ldsem_up_read(struct ld_semaphore *sem);
160 extern void ldsem_up_write(struct ld_semaphore *sem);
163 extern int ldsem_down_read_nested(struct ld_semaphore *sem, int subclass,
165 extern int ldsem_down_write_nested(struct ld_semaphore *sem, int subclass,
Dtty.h292 struct ld_semaphore ldisc_sem;