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#include <proc/thread.h>
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#include <proc/thread.h>
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#include <synch/waitq.h>
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#include <synch/waitq.h>
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#include <synch/rwlock.h>
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#include <synch/rwlock.h>
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#define READERS     50
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#define READERS  50
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#define WRITERS     50
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#define WRITERS  50
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static rwlock_t rwlock;
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static rwlock_t rwlock;
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char * test_rwlock1(bool quiet)
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char *test_rwlock1(void)
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{
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{
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    rwlock_initialize(&rwlock);
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    rwlock_initialize(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_unlock(&rwlock);  
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    rwlock_write_unlock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock); 
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);   
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_unlock(&rwlock);  
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    rwlock_write_unlock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_lock(&rwlock);
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    rwlock_write_unlock(&rwlock);  
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    rwlock_write_unlock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_lock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    rwlock_read_unlock(&rwlock);
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    return NULL;
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    return NULL;
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}
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}