| PROP_SEND_SYCALL(3) | Library Functions Manual | PROP_SEND_SYCALL(3) |
prop_array_send_syscall,
prop_array_recv_syscall,
prop_dictionary_send_syscall,
prop_dictionary_recv_syscall —
#include <prop/proplib.h>
int
prop_array_send_syscall(prop_array_t
array, struct plistref
*prefp);
int
prop_array_recv_syscall(const
struct plistref *prefp,
prop_array_t
*arrayp);
int
prop_dictionary_send_syscall(prop_dictionary_t
dict, struct plistref
*prefp);
int
prop_dictionary_recv_syscall(const
struct plistref *prefp,
prop_dictionary_t
*dictp);
prop_array_send_syscall(),
prop_array_recv_syscall(),
prop_dictionary_send_syscall(), and
prop_dictionary_recv_syscall() functions implement the
user space side of a protocol for sending property lists to and from the
kernel using syscall(2).
prop_dictionary_send_syscall() and
prop_dictionary_recv_syscall() in an application:
void
foo_setprops(prop_dictionary_t dict)
{
struct pref pref;
(void) prop_dictionary_send_syscall(dict, &pref);
(void) my_syscall_set(&pref);
}
prop_dictionary_t
foo_getprops(void)
{
prop_dictionary_t dict;
struct pref pref;
(void) my_syscall_get(&pref);
if (prop_dictionary_recv_syscall(&pref, &dict) != 0)
return (NULL);
return (dict);
}
prop_array_send_syscall() and
prop_dictionary_send_syscall() will fail if:
prop_array_recv_syscall() and
prop_dictionary_recv_syscall() will fail if:
| January 17, 2011 | NetBSD 9.1 |