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Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/fs/lockd/svcproc.c | |
3 | * | |
4 | * Lockd server procedures. We don't implement the NLM_*_RES | |
5 | * procedures because we don't use the async procedures. | |
6 | * | |
7 | * Copyright (C) 1996, Olaf Kirch <okir@monad.swb.de> | |
8 | */ | |
9 | ||
1da177e4 LT |
10 | #include <linux/types.h> |
11 | #include <linux/time.h> | |
12 | #include <linux/slab.h> | |
13 | #include <linux/in.h> | |
14 | #include <linux/sunrpc/svc.h> | |
15 | #include <linux/sunrpc/clnt.h> | |
16 | #include <linux/nfsd/nfsd.h> | |
17 | #include <linux/lockd/lockd.h> | |
18 | #include <linux/lockd/share.h> | |
19 | #include <linux/lockd/sm_inter.h> | |
20 | ||
21 | ||
22 | #define NLMDBG_FACILITY NLMDBG_CLIENT | |
23 | ||
1da177e4 LT |
24 | #ifdef CONFIG_LOCKD_V4 |
25 | static u32 | |
26 | cast_to_nlm(u32 status, u32 vers) | |
27 | { | |
28 | /* Note: status is assumed to be in network byte order !!! */ | |
29 | if (vers != 4){ | |
30 | switch (status) { | |
31 | case nlm_granted: | |
32 | case nlm_lck_denied: | |
33 | case nlm_lck_denied_nolocks: | |
34 | case nlm_lck_blocked: | |
35 | case nlm_lck_denied_grace_period: | |
36 | break; | |
37 | case nlm4_deadlock: | |
38 | status = nlm_lck_denied; | |
39 | break; | |
40 | default: | |
41 | status = nlm_lck_denied_nolocks; | |
42 | } | |
43 | } | |
44 | ||
45 | return (status); | |
46 | } | |
47 | #define cast_status(status) (cast_to_nlm(status, rqstp->rq_vers)) | |
48 | #else | |
49 | #define cast_status(status) (status) | |
50 | #endif | |
51 | ||
52 | /* | |
53 | * Obtain client and file from arguments | |
54 | */ | |
55 | static u32 | |
56 | nlmsvc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, | |
57 | struct nlm_host **hostp, struct nlm_file **filp) | |
58 | { | |
59 | struct nlm_host *host = NULL; | |
60 | struct nlm_file *file = NULL; | |
61 | struct nlm_lock *lock = &argp->lock; | |
62 | u32 error; | |
63 | ||
64 | /* nfsd callbacks must have been installed for this procedure */ | |
65 | if (!nlmsvc_ops) | |
66 | return nlm_lck_denied_nolocks; | |
67 | ||
68 | /* Obtain host handle */ | |
db4e4c9a | 69 | if (!(host = nlmsvc_lookup_host(rqstp, lock->caller, lock->len)) |
977faf39 | 70 | || (argp->monitor && nsm_monitor(host) < 0)) |
1da177e4 LT |
71 | goto no_locks; |
72 | *hostp = host; | |
73 | ||
74 | /* Obtain file pointer. Not used by FREE_ALL call. */ | |
75 | if (filp != NULL) { | |
76 | if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0) | |
77 | goto no_locks; | |
78 | *filp = file; | |
79 | ||
80 | /* Set up the missing parts of the file_lock structure */ | |
81 | lock->fl.fl_file = file->f_file; | |
82 | lock->fl.fl_owner = (fl_owner_t) host; | |
83 | lock->fl.fl_lmops = &nlmsvc_lock_operations; | |
84 | } | |
85 | ||
86 | return 0; | |
87 | ||
88 | no_locks: | |
89 | if (host) | |
90 | nlm_release_host(host); | |
91 | return nlm_lck_denied_nolocks; | |
92 | } | |
93 | ||
94 | /* | |
95 | * NULL: Test for presence of service | |
96 | */ | |
97 | static int | |
98 | nlmsvc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) | |
99 | { | |
100 | dprintk("lockd: NULL called\n"); | |
101 | return rpc_success; | |
102 | } | |
103 | ||
104 | /* | |
105 | * TEST: Check for conflicting lock | |
106 | */ | |
107 | static int | |
108 | nlmsvc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp, | |
109 | struct nlm_res *resp) | |
110 | { | |
111 | struct nlm_host *host; | |
112 | struct nlm_file *file; | |
113 | ||
114 | dprintk("lockd: TEST called\n"); | |
115 | resp->cookie = argp->cookie; | |
116 | ||
117 | /* Don't accept test requests during grace period */ | |
118 | if (nlmsvc_grace_period) { | |
119 | resp->status = nlm_lck_denied_grace_period; | |
120 | return rpc_success; | |
121 | } | |
122 | ||
123 | /* Obtain client and file */ | |
124 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
125 | return rpc_success; | |
126 | ||
127 | /* Now check for conflicting locks */ | |
128 | resp->status = cast_status(nlmsvc_testlock(file, &argp->lock, &resp->lock)); | |
129 | ||
130 | dprintk("lockd: TEST status %d vers %d\n", | |
131 | ntohl(resp->status), rqstp->rq_vers); | |
132 | nlm_release_host(host); | |
133 | nlm_release_file(file); | |
134 | return rpc_success; | |
135 | } | |
136 | ||
137 | static int | |
138 | nlmsvc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
139 | struct nlm_res *resp) | |
140 | { | |
141 | struct nlm_host *host; | |
142 | struct nlm_file *file; | |
143 | ||
144 | dprintk("lockd: LOCK called\n"); | |
145 | ||
146 | resp->cookie = argp->cookie; | |
147 | ||
148 | /* Don't accept new lock requests during grace period */ | |
149 | if (nlmsvc_grace_period && !argp->reclaim) { | |
150 | resp->status = nlm_lck_denied_grace_period; | |
151 | return rpc_success; | |
152 | } | |
153 | ||
154 | /* Obtain client and file */ | |
155 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
156 | return rpc_success; | |
157 | ||
158 | #if 0 | |
159 | /* If supplied state doesn't match current state, we assume it's | |
160 | * an old request that time-warped somehow. Any error return would | |
161 | * do in this case because it's irrelevant anyway. | |
162 | * | |
163 | * NB: We don't retrieve the remote host's state yet. | |
164 | */ | |
165 | if (host->h_nsmstate && host->h_nsmstate != argp->state) { | |
166 | resp->status = nlm_lck_denied_nolocks; | |
167 | } else | |
168 | #endif | |
169 | ||
170 | /* Now try to lock the file */ | |
171 | resp->status = cast_status(nlmsvc_lock(rqstp, file, &argp->lock, | |
172 | argp->block, &argp->cookie)); | |
173 | ||
174 | dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); | |
175 | nlm_release_host(host); | |
176 | nlm_release_file(file); | |
177 | return rpc_success; | |
178 | } | |
179 | ||
180 | static int | |
181 | nlmsvc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp, | |
182 | struct nlm_res *resp) | |
183 | { | |
184 | struct nlm_host *host; | |
185 | struct nlm_file *file; | |
186 | ||
187 | dprintk("lockd: CANCEL called\n"); | |
188 | ||
189 | resp->cookie = argp->cookie; | |
190 | ||
191 | /* Don't accept requests during grace period */ | |
192 | if (nlmsvc_grace_period) { | |
193 | resp->status = nlm_lck_denied_grace_period; | |
194 | return rpc_success; | |
195 | } | |
196 | ||
197 | /* Obtain client and file */ | |
198 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
199 | return rpc_success; | |
200 | ||
201 | /* Try to cancel request. */ | |
202 | resp->status = cast_status(nlmsvc_cancel_blocked(file, &argp->lock)); | |
203 | ||
204 | dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); | |
205 | nlm_release_host(host); | |
206 | nlm_release_file(file); | |
207 | return rpc_success; | |
208 | } | |
209 | ||
210 | /* | |
211 | * UNLOCK: release a lock | |
212 | */ | |
213 | static int | |
214 | nlmsvc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
215 | struct nlm_res *resp) | |
216 | { | |
217 | struct nlm_host *host; | |
218 | struct nlm_file *file; | |
219 | ||
220 | dprintk("lockd: UNLOCK called\n"); | |
221 | ||
222 | resp->cookie = argp->cookie; | |
223 | ||
224 | /* Don't accept new lock requests during grace period */ | |
225 | if (nlmsvc_grace_period) { | |
226 | resp->status = nlm_lck_denied_grace_period; | |
227 | return rpc_success; | |
228 | } | |
229 | ||
230 | /* Obtain client and file */ | |
231 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
232 | return rpc_success; | |
233 | ||
234 | /* Now try to remove the lock */ | |
235 | resp->status = cast_status(nlmsvc_unlock(file, &argp->lock)); | |
236 | ||
237 | dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); | |
238 | nlm_release_host(host); | |
239 | nlm_release_file(file); | |
240 | return rpc_success; | |
241 | } | |
242 | ||
243 | /* | |
244 | * GRANTED: A server calls us to tell that a process' lock request | |
245 | * was granted | |
246 | */ | |
247 | static int | |
248 | nlmsvc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp, | |
249 | struct nlm_res *resp) | |
250 | { | |
251 | resp->cookie = argp->cookie; | |
252 | ||
253 | dprintk("lockd: GRANTED called\n"); | |
5ac5f9d1 | 254 | resp->status = nlmclnt_grant(&rqstp->rq_addr, &argp->lock); |
1da177e4 LT |
255 | dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); |
256 | return rpc_success; | |
257 | } | |
258 | ||
d4716624 TM |
259 | /* |
260 | * This is the generic lockd callback for async RPC calls | |
261 | */ | |
262 | static void nlmsvc_callback_exit(struct rpc_task *task, void *data) | |
263 | { | |
264 | dprintk("lockd: %4d callback returned %d\n", task->tk_pid, | |
265 | -task->tk_status); | |
266 | } | |
267 | ||
268 | static void nlmsvc_callback_release(void *data) | |
269 | { | |
270 | nlm_release_call(data); | |
271 | } | |
272 | ||
273 | static const struct rpc_call_ops nlmsvc_callback_ops = { | |
274 | .rpc_call_done = nlmsvc_callback_exit, | |
275 | .rpc_release = nlmsvc_callback_release, | |
276 | }; | |
277 | ||
1da177e4 LT |
278 | /* |
279 | * `Async' versions of the above service routines. They aren't really, | |
280 | * because we send the callback before the reply proper. I hope this | |
281 | * doesn't break any clients. | |
282 | */ | |
d4716624 TM |
283 | static int nlmsvc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_args *argp, |
284 | int (*func)(struct svc_rqst *, struct nlm_args *, struct nlm_res *)) | |
1da177e4 | 285 | { |
d4716624 TM |
286 | struct nlm_host *host; |
287 | struct nlm_rqst *call; | |
288 | int stat; | |
1da177e4 | 289 | |
db4e4c9a OK |
290 | host = nlmsvc_lookup_host(rqstp, |
291 | argp->lock.caller, | |
292 | argp->lock.len); | |
d4716624 TM |
293 | if (host == NULL) |
294 | return rpc_system_err; | |
295 | ||
296 | call = nlm_alloc_call(host); | |
297 | if (call == NULL) | |
298 | return rpc_system_err; | |
299 | ||
300 | stat = func(rqstp, argp, &call->a_res); | |
301 | if (stat != 0) { | |
302 | nlm_release_call(call); | |
303 | return stat; | |
304 | } | |
1da177e4 | 305 | |
d4716624 TM |
306 | call->a_flags = RPC_TASK_ASYNC; |
307 | if (nlm_async_reply(call, proc, &nlmsvc_callback_ops) < 0) | |
308 | return rpc_system_err; | |
309 | return rpc_success; | |
1da177e4 LT |
310 | } |
311 | ||
d4716624 | 312 | static int nlmsvc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
313 | void *resp) |
314 | { | |
d4716624 TM |
315 | dprintk("lockd: TEST_MSG called\n"); |
316 | return nlmsvc_callback(rqstp, NLMPROC_TEST_RES, argp, nlmsvc_proc_test); | |
317 | } | |
1da177e4 | 318 | |
d4716624 TM |
319 | static int nlmsvc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
320 | void *resp) | |
321 | { | |
1da177e4 | 322 | dprintk("lockd: LOCK_MSG called\n"); |
d4716624 | 323 | return nlmsvc_callback(rqstp, NLMPROC_LOCK_RES, argp, nlmsvc_proc_lock); |
1da177e4 LT |
324 | } |
325 | ||
d4716624 | 326 | static int nlmsvc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp, |
1da177e4 LT |
327 | void *resp) |
328 | { | |
1da177e4 | 329 | dprintk("lockd: CANCEL_MSG called\n"); |
d4716624 | 330 | return nlmsvc_callback(rqstp, NLMPROC_CANCEL_RES, argp, nlmsvc_proc_cancel); |
1da177e4 LT |
331 | } |
332 | ||
333 | static int | |
334 | nlmsvc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
335 | void *resp) | |
336 | { | |
1da177e4 | 337 | dprintk("lockd: UNLOCK_MSG called\n"); |
d4716624 | 338 | return nlmsvc_callback(rqstp, NLMPROC_UNLOCK_RES, argp, nlmsvc_proc_unlock); |
1da177e4 LT |
339 | } |
340 | ||
341 | static int | |
342 | nlmsvc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
343 | void *resp) | |
344 | { | |
1da177e4 | 345 | dprintk("lockd: GRANTED_MSG called\n"); |
d4716624 | 346 | return nlmsvc_callback(rqstp, NLMPROC_GRANTED_RES, argp, nlmsvc_proc_granted); |
1da177e4 LT |
347 | } |
348 | ||
349 | /* | |
350 | * SHARE: create a DOS share or alter existing share. | |
351 | */ | |
352 | static int | |
353 | nlmsvc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp, | |
354 | struct nlm_res *resp) | |
355 | { | |
356 | struct nlm_host *host; | |
357 | struct nlm_file *file; | |
358 | ||
359 | dprintk("lockd: SHARE called\n"); | |
360 | ||
361 | resp->cookie = argp->cookie; | |
362 | ||
363 | /* Don't accept new lock requests during grace period */ | |
364 | if (nlmsvc_grace_period && !argp->reclaim) { | |
365 | resp->status = nlm_lck_denied_grace_period; | |
366 | return rpc_success; | |
367 | } | |
368 | ||
369 | /* Obtain client and file */ | |
370 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
371 | return rpc_success; | |
372 | ||
373 | /* Now try to create the share */ | |
374 | resp->status = cast_status(nlmsvc_share_file(host, file, argp)); | |
375 | ||
376 | dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); | |
377 | nlm_release_host(host); | |
378 | nlm_release_file(file); | |
379 | return rpc_success; | |
380 | } | |
381 | ||
382 | /* | |
383 | * UNSHARE: Release a DOS share. | |
384 | */ | |
385 | static int | |
386 | nlmsvc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp, | |
387 | struct nlm_res *resp) | |
388 | { | |
389 | struct nlm_host *host; | |
390 | struct nlm_file *file; | |
391 | ||
392 | dprintk("lockd: UNSHARE called\n"); | |
393 | ||
394 | resp->cookie = argp->cookie; | |
395 | ||
396 | /* Don't accept requests during grace period */ | |
397 | if (nlmsvc_grace_period) { | |
398 | resp->status = nlm_lck_denied_grace_period; | |
399 | return rpc_success; | |
400 | } | |
401 | ||
402 | /* Obtain client and file */ | |
403 | if ((resp->status = nlmsvc_retrieve_args(rqstp, argp, &host, &file))) | |
404 | return rpc_success; | |
405 | ||
406 | /* Now try to unshare the file */ | |
407 | resp->status = cast_status(nlmsvc_unshare_file(host, file, argp)); | |
408 | ||
409 | dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); | |
410 | nlm_release_host(host); | |
411 | nlm_release_file(file); | |
412 | return rpc_success; | |
413 | } | |
414 | ||
415 | /* | |
416 | * NM_LOCK: Create an unmonitored lock | |
417 | */ | |
418 | static int | |
419 | nlmsvc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
420 | struct nlm_res *resp) | |
421 | { | |
422 | dprintk("lockd: NM_LOCK called\n"); | |
423 | ||
424 | argp->monitor = 0; /* just clean the monitor flag */ | |
425 | return nlmsvc_proc_lock(rqstp, argp, resp); | |
426 | } | |
427 | ||
428 | /* | |
429 | * FREE_ALL: Release all locks and shares held by client | |
430 | */ | |
431 | static int | |
432 | nlmsvc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp, | |
433 | void *resp) | |
434 | { | |
435 | struct nlm_host *host; | |
436 | ||
437 | /* Obtain client */ | |
438 | if (nlmsvc_retrieve_args(rqstp, argp, &host, NULL)) | |
439 | return rpc_success; | |
440 | ||
441 | nlmsvc_free_host_resources(host); | |
442 | nlm_release_host(host); | |
443 | return rpc_success; | |
444 | } | |
445 | ||
446 | /* | |
447 | * SM_NOTIFY: private callback from statd (not part of official NLM proto) | |
448 | */ | |
449 | static int | |
450 | nlmsvc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp, | |
451 | void *resp) | |
452 | { | |
453 | struct sockaddr_in saddr = rqstp->rq_addr; | |
1da177e4 LT |
454 | |
455 | dprintk("lockd: SM_NOTIFY called\n"); | |
456 | if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK) | |
457 | || ntohs(saddr.sin_port) >= 1024) { | |
458 | printk(KERN_WARNING | |
459 | "lockd: rejected NSM callback from %08x:%d\n", | |
460 | ntohl(rqstp->rq_addr.sin_addr.s_addr), | |
461 | ntohs(rqstp->rq_addr.sin_port)); | |
462 | return rpc_system_err; | |
463 | } | |
464 | ||
465 | /* Obtain the host pointer for this NFS server and try to | |
466 | * reclaim all locks we hold on this server. | |
467 | */ | |
cf712c24 | 468 | memset(&saddr, 0, sizeof(saddr)); |
1da177e4 | 469 | saddr.sin_addr.s_addr = argp->addr; |
cf712c24 | 470 | nlm_host_rebooted(&saddr, argp); |
1da177e4 LT |
471 | |
472 | return rpc_success; | |
473 | } | |
474 | ||
475 | /* | |
476 | * client sent a GRANTED_RES, let's remove the associated block | |
477 | */ | |
478 | static int | |
479 | nlmsvc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp, | |
480 | void *resp) | |
481 | { | |
482 | if (!nlmsvc_ops) | |
483 | return rpc_success; | |
484 | ||
485 | dprintk("lockd: GRANTED_RES called\n"); | |
486 | ||
487 | nlmsvc_grant_reply(rqstp, &argp->cookie, argp->status); | |
488 | return rpc_success; | |
489 | } | |
490 | ||
1da177e4 LT |
491 | /* |
492 | * NLM Server procedures. | |
493 | */ | |
494 | ||
495 | #define nlmsvc_encode_norep nlmsvc_encode_void | |
496 | #define nlmsvc_decode_norep nlmsvc_decode_void | |
497 | #define nlmsvc_decode_testres nlmsvc_decode_void | |
498 | #define nlmsvc_decode_lockres nlmsvc_decode_void | |
499 | #define nlmsvc_decode_unlockres nlmsvc_decode_void | |
500 | #define nlmsvc_decode_cancelres nlmsvc_decode_void | |
501 | #define nlmsvc_decode_grantedres nlmsvc_decode_void | |
502 | ||
503 | #define nlmsvc_proc_none nlmsvc_proc_null | |
504 | #define nlmsvc_proc_test_res nlmsvc_proc_null | |
505 | #define nlmsvc_proc_lock_res nlmsvc_proc_null | |
506 | #define nlmsvc_proc_cancel_res nlmsvc_proc_null | |
507 | #define nlmsvc_proc_unlock_res nlmsvc_proc_null | |
508 | ||
509 | struct nlm_void { int dummy; }; | |
510 | ||
511 | #define PROC(name, xargt, xrest, argt, rest, respsize) \ | |
512 | { .pc_func = (svc_procfunc) nlmsvc_proc_##name, \ | |
513 | .pc_decode = (kxdrproc_t) nlmsvc_decode_##xargt, \ | |
514 | .pc_encode = (kxdrproc_t) nlmsvc_encode_##xrest, \ | |
515 | .pc_release = NULL, \ | |
516 | .pc_argsize = sizeof(struct nlm_##argt), \ | |
517 | .pc_ressize = sizeof(struct nlm_##rest), \ | |
518 | .pc_xdrressize = respsize, \ | |
519 | } | |
520 | ||
521 | #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ | |
522 | #define St 1 /* status */ | |
523 | #define No (1+1024/4) /* Net Obj */ | |
524 | #define Rg 2 /* range - offset + size */ | |
525 | ||
526 | struct svc_procedure nlmsvc_procedures[] = { | |
527 | PROC(null, void, void, void, void, 1), | |
528 | PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg), | |
529 | PROC(lock, lockargs, res, args, res, Ck+St), | |
530 | PROC(cancel, cancargs, res, args, res, Ck+St), | |
531 | PROC(unlock, unlockargs, res, args, res, Ck+St), | |
532 | PROC(granted, testargs, res, args, res, Ck+St), | |
533 | PROC(test_msg, testargs, norep, args, void, 1), | |
534 | PROC(lock_msg, lockargs, norep, args, void, 1), | |
535 | PROC(cancel_msg, cancargs, norep, args, void, 1), | |
536 | PROC(unlock_msg, unlockargs, norep, args, void, 1), | |
537 | PROC(granted_msg, testargs, norep, args, void, 1), | |
538 | PROC(test_res, testres, norep, res, void, 1), | |
539 | PROC(lock_res, lockres, norep, res, void, 1), | |
540 | PROC(cancel_res, cancelres, norep, res, void, 1), | |
541 | PROC(unlock_res, unlockres, norep, res, void, 1), | |
542 | PROC(granted_res, res, norep, res, void, 1), | |
543 | /* statd callback */ | |
544 | PROC(sm_notify, reboot, void, reboot, void, 1), | |
545 | PROC(none, void, void, void, void, 1), | |
546 | PROC(none, void, void, void, void, 1), | |
547 | PROC(none, void, void, void, void, 1), | |
548 | PROC(share, shareargs, shareres, args, res, Ck+St+1), | |
549 | PROC(unshare, shareargs, shareres, args, res, Ck+St+1), | |
550 | PROC(nm_lock, lockargs, res, args, res, Ck+St), | |
551 | PROC(free_all, notify, void, args, void, 0), | |
552 | ||
553 | }; |