arch_read_trylock - Linux

Symbol: arch_read_trylock

arch/arc/include/asm/spinlock.h

while (!arch_read_trylock(rw))

arch/parisc/include/asm/spinlock.h

while (!arch_read_trylock(rw))

include/linux/rwlock.h

# define do_raw_read_trylock(rwlock) arch_read_trylock(&(rwlock)->raw_lock)

kernel/locking/spinlock_debug.c

int ret = arch_read_trylock(&lock->raw_lock);