Function crget

freebsd/kern/kern_prot.c:1989–2007

* Allocate a zeroed cred structure. */

 * Allocate a zeroed cred structure.
 */
struct ucred *
crget(void)
{
	struct ucred *cr;

	cr = malloc(sizeof(*cr), M_CRED, M_WAITOK | M_ZERO);
	mtx_init(&cr->cr_mtx, "cred", NULL, MTX_DEF);
	cr->cr_ref = 1;
#ifdef AUDIT
	audit_cred_init(cr);
#endif
#ifdef MAC
	mac_cred_init(cr);
#endif
	cr->cr_groups = cr->cr_smallgroups;
	cr->cr_agroups =
	    sizeof(cr->cr_smallgroups) / sizeof(cr->cr_smallgroups[0]);
	return (cr);
}

/*
 * Claim another reference to a ucred structure.