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PTHREAD_RWLOCK_DESTROY(3) Library Functions Manual PTHREAD_RWLOCK_DESTROY(3)

pthread_rwlock_destroy
destroy a read/write lock

#include <pthread.h>
int
pthread_rwlock_destroy(pthread_rwlock_t *lock);

The pthread_rwlock_destroy() function is used to destroy a read/write lock previously created with pthread_rwlock_init().

If successful, the pthread_rwlock_destroy() function will return zero. Otherwise an error number will be returned to indicate the error.

The pthread_rwlock_destroy() function will fail if:
 
 
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The caller does not have the privilege to perform the operation.
The pthread_rwlock_destroy() function may fail if:
 
 
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The system has detected an attempt to destroy the object referenced by lock while it is locked.
 
 
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The value specified by lock is invalid.

pthread_rwlock_init(3)

The pthread_rwlock_destroy() function is expected to conform to Version 2 of the Single UNIX Specification (“SUSv2”).

The pthread_rwlock_destroy() function first appeared in FreeBSD 3.0 and OpenBSD 2.5.
June 5, 2013 OpenBSD-current