_spin_destroy(3synch)
_spin_destroy --
destroy a spin lock
Synopsis
cc [options] -Kthread file
#include <synch.h>
int _spin_destroy(spin_t *lock);
Description
_spin_destroy destroys the spin lock pointed to by lock.
This includes invalidating lock and freeing any
associated implementation-allocated dynamic resources.
Any user-allocated dynamic storage is unaffected by _spin_destroy
and must be explicitly released by the program.
Parameters
- lock
-
pointer to spin lock to be destroyed
Return values
_spin_destroy returns zero for success
and an error number for failure.
Errors
If any of the following conditions is detected,
_spin_destroy returns the corresponding value:
- EBUSY
-
lock is locked by another thread.
- EINVAL
-
invalid argument specified
References
Intro(3synch),
_spin(3synch),
_spin_init(3synch),
_spin_lock(3synch),
_spin_trylock(3synch),
_spin_unlock(3synch)
30 January 1998
© 1998 The Santa Cruz Operation, Inc. All rights reserved.