NAME

pthread_spin_unlock — unlock a spinlock object

SYNOPSIS

#include <pthread.h>

int
pthread_spin_unlock(pthread_spinlock_t *lock);

DESCRIPTION

The pthread_spin_unlock() function releases the spin lock referenced by lock which was locked via the pthread_spin_lock() or pthread_spin_trylock() functions.

RETURN VALUES

If successful, pthread_spin_unlock() returns zero; otherwise an error number is returned to indicate the error.

ERRORS

pthread_spin_unlock() will fail if:

[EINVAL]

The value specified by lock is invalid.

[EPERM]

The lock is not owned by the calling thread.

SEE ALSO

pthread_spin_init(3), pthread_spin_lock(3)

STANDARDS

pthread_spin_unlock() conforms to IEEE Std 1003.1-2008 (“POSIX.1”).