/**
* pmap_common_init
*
* Initialize common elements of pmaps.
*/
void pmap_common_init(pmap_t pmap)
{
usimple_lock_init(&pmap->lock, 0);
ledger_reference(pmap->ledger);
pmap->ref_count = 1;
pmap->nx_enabled = 0;
}
/*
* Routine: lck_spin_init
*/
void
lck_spin_init(
lck_spin_t *lck,
lck_grp_t *grp,
__unused lck_attr_t *attr)
{
usimple_lock_init((usimple_lock_t) lck, 0);
lck_grp_reference(grp);
lck_grp_lckcnt_incr(grp, LCK_TYPE_SPIN);
}
void
osi_Init(void)
{
static int once = 0;
if (once++ > 0) /* just in case */
return;
#if defined(AFS_HPUX_ENV)
osi_InitGlock();
#else /* AFS_HPUX_ENV */
#if defined(AFS_GLOBAL_SUNLOCK)
#if defined(AFS_SGI62_ENV)
mutex_init(&afs_global_lock, MUTEX_DEFAULT, "afs_global_lock");
#elif defined(AFS_OSF_ENV)
usimple_lock_init(&afs_global_lock);
afs_global_owner = (thread_t) 0;
#elif defined(AFS_FBSD50_ENV)
#if defined(AFS_FBSD80_ENV) && defined(WITNESS)
/* "lock_initalized" (sic) can panic, checks a flag bit
* is unset _before_ init */
memset(&afs_global_mtx, 0, sizeof(struct mtx));
#endif
mtx_init(&afs_global_mtx, "AFS global lock", NULL, MTX_DEF);
#elif defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
#if !defined(AFS_DARWIN80_ENV)
lockinit(&afs_global_lock, PLOCK, "afs global lock", 0, 0);
#endif
afs_global_owner = 0;
#elif defined(AFS_AIX41_ENV)
lock_alloc((void *)&afs_global_lock, LOCK_ALLOC_PIN, 1, 1);
simple_lock_init((void *)&afs_global_lock);
#elif !defined(AFS_LINUX22_ENV)
/* Linux initialization in osi directory. Should move the others. */
mutex_init(&afs_global_lock, "afs_global_lock", MUTEX_DEFAULT, NULL);
#endif
#endif /* AFS_GLOBAL_SUNLOCK */
#endif /* AFS_HPUX_ENV */
if (!afs_osicred_initialized) {
#if defined(AFS_DARWIN80_ENV)
afs_osi_ctxtp_initialized = 0;
afs_osi_ctxtp = NULL; /* initialized in afs_Daemon since it has
a proc reference that cannot be changed */
#endif
#if defined(AFS_XBSD_ENV)
/* Can't just invent one, must use crget() because of mutex */
afs_osi_credp = crdup(osi_curcred());
#else
memset(&afs_osi_cred, 0, sizeof(struct AFS_UCRED));
#if defined(AFS_LINUX26_ENV)
afs_osi_cred.cr_group_info = groups_alloc(0);
#endif
#if defined(AFS_DARWIN80_ENV)
afs_osi_cred.cr_ref = 1; /* kauth_cred_get_ref needs 1 existing ref */
#else
crhold(&afs_osi_cred); /* don't let it evaporate */
#endif
afs_osi_credp = &afs_osi_cred;
#endif
afs_osicred_initialized = 1;
}
#ifdef AFS_SGI64_ENV
osi_flid.fl_pid = osi_flid.fl_sysid = 0;
#endif
init_et_to_sys_error();
}
