void
lockIdSet(struct AFS_FLOCK *flock, struct SimpleLocks *slp, int clid)
{
if (slp) {
slp->pid = get_user_struct()->u_procp->p_pid;
} else {
flock->l_pid = get_user_struct()->u_procp->p_pid;
}
}
static int
lockIdcmp2(struct AFS_FLOCK *flock1, struct vcache *vp,
struct SimpleLocks *alp, int onlymine, int clid)
{
struct SimpleLocks *slp;
#if defined(AFS_SUN5_ENV)
proc_t *procp = ttoproc(curthread);
#else
#if !defined(AFS_AIX41_ENV) && !defined(AFS_LINUX20_ENV) && !defined(AFS_SGI65_ENV) && !defined(AFS_DARWIN_ENV) && !defined(AFS_XBSD_ENV)
#ifdef AFS_SGI64_ENV
afs_proc_t *procp = curprocp;
#elif defined(UKERNEL)
afs_proc_t *procp = get_user_struct()->u_procp;
#else
afs_proc_t *procp = u.u_procp;
#endif /* AFS_SGI64_ENV */
#endif
#endif
if (alp) {
#if defined(AFS_AIX_ENV) || defined(AFS_SUN5_ENV) || defined(AFS_SGI_ENV)
if (flock1->l_sysid != alp->sysid) {
return 1;
}
#endif
if ((flock1->l_pid == alp->pid) ||
#if defined(AFS_AIX41_ENV) || defined(AFS_LINUX20_ENV) || defined(AFS_HPUX_ENV)
(!onlymine && (flock1->l_pid == getppid()))
#else
#if defined(AFS_SGI65_ENV) || defined(AFS_DARWIN_ENV) || defined(AFS_XBSD_ENV)
/* XXX check this. used to be *only* irix for some reason. */
(!onlymine && (flock1->l_pid == clid))
#else
(!onlymine && (flock1->l_pid == procp->p_ppid))
#endif
#endif
) {
return 0;
}
return 1;
}
for (slp = vp->slocks; slp; slp = slp->next) {
#if defined(AFS_HAVE_FLOCK_SYSID)
if (flock1->l_sysid != slp->sysid) {
continue;
}
#endif
if (flock1->l_pid == slp->pid) {
return 0;
}
}
return (1); /* failure */
}
int
afs_root(OSI_VFS_DECL(afsp), struct vnode **avpp)
{
afs_int32 code = 0;
struct vrequest treq;
struct vcache *tvp = 0;
OSI_VFS_CONVERT(afsp);
AFS_STATCNT(afs_root);
if (afs_globalVp && (afs_globalVp->f.states & CStatd)) {
tvp = afs_globalVp;
} else {
if (afs_globalVp) {
afs_PutVCache(afs_globalVp);
afs_globalVp = NULL;
}
if (!(code = afs_InitReq(&treq, get_user_struct()->u_cred))
&& !(code = afs_CheckInit())) {
tvp = afs_GetVCache(&afs_rootFid, &treq, NULL, NULL);
/* we really want this to stay around */
if (tvp) {
afs_globalVp = tvp;
} else
code = ENOENT;
}
}
if (tvp) {
VN_HOLD(AFSTOV(tvp));
AFSTOV(tvp)->v_flag |= VROOT; /* No-op on Ultrix 2.2 */
afs_globalVFS = afsp;
*avpp = AFSTOV(tvp);
}
afs_Trace3(afs_iclSetp, CM_TRACE_GOPEN, ICL_TYPE_POINTER, *avpp,
ICL_TYPE_INT32, 0, ICL_TYPE_INT32, code);
return code;
}
