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PTHREAD_RWLOCKATTR_INIT(3) Library Functions Manual PTHREAD_RWLOCKATTR_INIT(3)

pthread_rwlockattr_initinitialize a read/write lock

#include <pthread.h>

int
pthread_rwlockattr_init(pthread_rwlockattr_t *attr);

The () function is used to initialize a read/write lock attributes object.

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

pthread_rwlockattr_init() will fail if:

[]
Insufficient memory exists to initialize the attribute object.

pthread_rwlock_init(3), pthread_rwlockattr_destroy(3), pthread_rwlockattr_getpshared(3), pthread_rwlockattr_setpshared(3)

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

The pthread_rwlockattr_init() function first appeared in FreeBSD 3.0 and OpenBSD 2.5.

June 5, 2013 OpenBSD-7.5