SPECIFICDATA(9) | Kernel Developer's Manual | SPECIFICDATA(9) |
specificdata
,
specificdata_domain_create
,
specificdata_domain_delete
,
specificdata_key_create
,
specificdata_key_delete
,
specificdata_init
,
specificdata_fini
,
specificdata_getspecific
,
specificdata_getspecific_unlocked
,
specificdata_setspecific
,
specificdata_setspecific_nowait
—
#include <sys/specificdata.h>
specificdata_domain_t
specificdata_domain_create
();
void
specificdata_domain_delete
(specificdata_domain_t
sd);
int
specificdata_key_create
(specificdata_domain_t
sd, specificdata_key_t
*keyp,
specificdata_dtor_t
dtor);
void
specificdata_key_delete
(specificdata_domain_t
sd, specificdata_key_t
key);
int
specificdata_init
(specificdata_domain_t
sd,
specificdata_reference
*ref);
void
specificdata_fini
(specificdata_domain_t
sd,
specificdata_reference
*ref);
void *
specificdata_getspecific
(specificdata_domain_t
sd,
specificdata_reference
*ref, specificdata_key_t
key);
void *
specificdata_getspecific_unlocked
(specificdata_domain_t
sd,
specificdata_reference
*ref, specificdata_key_t
key);
void
specificdata_setspecific
(specificdata_domain_t
sd,
specificdata_reference
*ref, specificdata_key_t
key, void
*data);
int
specificdata_setspecific_nowait
(specificdata_domain_t
sd,
specificdata_reference
*ref, specificdata_key_t
key, void
*data);
specificdata
facility provides a mechanism for
storing arbitrary data, identified by an index key, within containers which
exist within the objects associated with a particular domain.
specificdata_domain_create
()specificdata_domain_delete
(sd)specificdata_key_create
(sd,
keyp, dtor)NULL
,
it specifies a destructor which will be called when a datum associated
with the specified key is deleted from a container within the
sd. The unique identifier of the created key is
returned in keyp.specificdata_key_delete
(sd,
key)specificdata_init
(sd,
ref)specificdata_fini
(sd,
ref)specificdata_getspecific
(sd,
ref, key)specificdata_getspecific_unlocked
(sd,
ref, key)setspecific
() call or by destroying the
container.specificdata_setspecific
(sd,
ref, key,
data)specificdata_setspecific_nowait
(sd,
ref, key,
data)specificdata
functionality is implemented in
sys/kern/subr_specificdata.c.
The header file
<sys/sys/specificdata.h>
describes the public interface.
specificdata
subsystem first appeared in
NetBSD 4.0.
specificdata
subsystem was written by
Jason Thorpe
<thorpej@NetBSD.org>.
This manual page was written by Paul Goyette
<pgoyette@NetBSD.org>.
June 16, 2018 | NetBSD 9.0 |