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PTHREAD_RWLOCKATTR_DESTROY(3) Library Functions Manual PTHREAD_RWLOCKATTR_DESTROY(3)

pthread_rwlockattr_destroy
destroy a read/write lock

#include <pthread.h>
int
pthread_rwlockattr_destroy(pthread_rwlockattr_t *attr);

The pthread_rwlockattr_destroy() function is used to destroy a read/write lock attribute object previously created with pthread_rwlockattr_init().

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

pthread_rwlockattr_destroy() may fail if:
 
 
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The value specified by attr is invalid.

pthread_rwlockattr_init(3)

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

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