Commit | Line | Data |
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1da177e4 LT |
1 | /* |
2 | * linux/fs/lockd/svc4proc.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 | ||
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 | ||
24 | static u32 nlm4svc_callback(struct svc_rqst *, u32, struct nlm_res *); | |
25 | static void nlm4svc_callback_exit(struct rpc_task *); | |
26 | ||
27 | /* | |
28 | * Obtain client and file from arguments | |
29 | */ | |
30 | static u32 | |
31 | nlm4svc_retrieve_args(struct svc_rqst *rqstp, struct nlm_args *argp, | |
32 | struct nlm_host **hostp, struct nlm_file **filp) | |
33 | { | |
34 | struct nlm_host *host = NULL; | |
35 | struct nlm_file *file = NULL; | |
36 | struct nlm_lock *lock = &argp->lock; | |
37 | u32 error = 0; | |
38 | ||
39 | /* nfsd callbacks must have been installed for this procedure */ | |
40 | if (!nlmsvc_ops) | |
41 | return nlm_lck_denied_nolocks; | |
42 | ||
43 | /* Obtain host handle */ | |
44 | if (!(host = nlmsvc_lookup_host(rqstp)) | |
45 | || (argp->monitor && !host->h_monitored && nsm_monitor(host) < 0)) | |
46 | goto no_locks; | |
47 | *hostp = host; | |
48 | ||
49 | /* Obtain file pointer. Not used by FREE_ALL call. */ | |
50 | if (filp != NULL) { | |
51 | if ((error = nlm_lookup_file(rqstp, &file, &lock->fh)) != 0) | |
52 | goto no_locks; | |
53 | *filp = file; | |
54 | ||
55 | /* Set up the missing parts of the file_lock structure */ | |
56 | lock->fl.fl_file = file->f_file; | |
57 | lock->fl.fl_owner = (fl_owner_t) host; | |
58 | lock->fl.fl_lmops = &nlmsvc_lock_operations; | |
59 | } | |
60 | ||
61 | return 0; | |
62 | ||
63 | no_locks: | |
64 | if (host) | |
65 | nlm_release_host(host); | |
66 | if (error) | |
67 | return error; | |
68 | return nlm_lck_denied_nolocks; | |
69 | } | |
70 | ||
71 | /* | |
72 | * NULL: Test for presence of service | |
73 | */ | |
74 | static int | |
75 | nlm4svc_proc_null(struct svc_rqst *rqstp, void *argp, void *resp) | |
76 | { | |
77 | dprintk("lockd: NULL called\n"); | |
78 | return rpc_success; | |
79 | } | |
80 | ||
81 | /* | |
82 | * TEST: Check for conflicting lock | |
83 | */ | |
84 | static int | |
85 | nlm4svc_proc_test(struct svc_rqst *rqstp, struct nlm_args *argp, | |
86 | struct nlm_res *resp) | |
87 | { | |
88 | struct nlm_host *host; | |
89 | struct nlm_file *file; | |
90 | ||
91 | dprintk("lockd: TEST4 called\n"); | |
92 | resp->cookie = argp->cookie; | |
93 | ||
94 | /* Don't accept test requests during grace period */ | |
95 | if (nlmsvc_grace_period) { | |
96 | resp->status = nlm_lck_denied_grace_period; | |
97 | return rpc_success; | |
98 | } | |
99 | ||
100 | /* Obtain client and file */ | |
101 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
102 | return rpc_success; | |
103 | ||
104 | /* Now check for conflicting locks */ | |
105 | resp->status = nlmsvc_testlock(file, &argp->lock, &resp->lock); | |
106 | ||
107 | dprintk("lockd: TEST4 status %d\n", ntohl(resp->status)); | |
108 | nlm_release_host(host); | |
109 | nlm_release_file(file); | |
110 | return rpc_success; | |
111 | } | |
112 | ||
113 | static int | |
114 | nlm4svc_proc_lock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
115 | struct nlm_res *resp) | |
116 | { | |
117 | struct nlm_host *host; | |
118 | struct nlm_file *file; | |
119 | ||
120 | dprintk("lockd: LOCK called\n"); | |
121 | ||
122 | resp->cookie = argp->cookie; | |
123 | ||
124 | /* Don't accept new lock requests during grace period */ | |
125 | if (nlmsvc_grace_period && !argp->reclaim) { | |
126 | resp->status = nlm_lck_denied_grace_period; | |
127 | return rpc_success; | |
128 | } | |
129 | ||
130 | /* Obtain client and file */ | |
131 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
132 | return rpc_success; | |
133 | ||
134 | #if 0 | |
135 | /* If supplied state doesn't match current state, we assume it's | |
136 | * an old request that time-warped somehow. Any error return would | |
137 | * do in this case because it's irrelevant anyway. | |
138 | * | |
139 | * NB: We don't retrieve the remote host's state yet. | |
140 | */ | |
141 | if (host->h_nsmstate && host->h_nsmstate != argp->state) { | |
142 | resp->status = nlm_lck_denied_nolocks; | |
143 | } else | |
144 | #endif | |
145 | ||
146 | /* Now try to lock the file */ | |
147 | resp->status = nlmsvc_lock(rqstp, file, &argp->lock, | |
148 | argp->block, &argp->cookie); | |
149 | ||
150 | dprintk("lockd: LOCK status %d\n", ntohl(resp->status)); | |
151 | nlm_release_host(host); | |
152 | nlm_release_file(file); | |
153 | return rpc_success; | |
154 | } | |
155 | ||
156 | static int | |
157 | nlm4svc_proc_cancel(struct svc_rqst *rqstp, struct nlm_args *argp, | |
158 | struct nlm_res *resp) | |
159 | { | |
160 | struct nlm_host *host; | |
161 | struct nlm_file *file; | |
162 | ||
163 | dprintk("lockd: CANCEL called\n"); | |
164 | ||
165 | resp->cookie = argp->cookie; | |
166 | ||
167 | /* Don't accept requests during grace period */ | |
168 | if (nlmsvc_grace_period) { | |
169 | resp->status = nlm_lck_denied_grace_period; | |
170 | return rpc_success; | |
171 | } | |
172 | ||
173 | /* Obtain client and file */ | |
174 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
175 | return rpc_success; | |
176 | ||
177 | /* Try to cancel request. */ | |
178 | resp->status = nlmsvc_cancel_blocked(file, &argp->lock); | |
179 | ||
180 | dprintk("lockd: CANCEL status %d\n", ntohl(resp->status)); | |
181 | nlm_release_host(host); | |
182 | nlm_release_file(file); | |
183 | return rpc_success; | |
184 | } | |
185 | ||
186 | /* | |
187 | * UNLOCK: release a lock | |
188 | */ | |
189 | static int | |
190 | nlm4svc_proc_unlock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
191 | struct nlm_res *resp) | |
192 | { | |
193 | struct nlm_host *host; | |
194 | struct nlm_file *file; | |
195 | ||
196 | dprintk("lockd: UNLOCK called\n"); | |
197 | ||
198 | resp->cookie = argp->cookie; | |
199 | ||
200 | /* Don't accept new lock requests during grace period */ | |
201 | if (nlmsvc_grace_period) { | |
202 | resp->status = nlm_lck_denied_grace_period; | |
203 | return rpc_success; | |
204 | } | |
205 | ||
206 | /* Obtain client and file */ | |
207 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
208 | return rpc_success; | |
209 | ||
210 | /* Now try to remove the lock */ | |
211 | resp->status = nlmsvc_unlock(file, &argp->lock); | |
212 | ||
213 | dprintk("lockd: UNLOCK status %d\n", ntohl(resp->status)); | |
214 | nlm_release_host(host); | |
215 | nlm_release_file(file); | |
216 | return rpc_success; | |
217 | } | |
218 | ||
219 | /* | |
220 | * GRANTED: A server calls us to tell that a process' lock request | |
221 | * was granted | |
222 | */ | |
223 | static int | |
224 | nlm4svc_proc_granted(struct svc_rqst *rqstp, struct nlm_args *argp, | |
225 | struct nlm_res *resp) | |
226 | { | |
227 | resp->cookie = argp->cookie; | |
228 | ||
229 | dprintk("lockd: GRANTED called\n"); | |
230 | resp->status = nlmclnt_grant(&argp->lock); | |
231 | dprintk("lockd: GRANTED status %d\n", ntohl(resp->status)); | |
232 | return rpc_success; | |
233 | } | |
234 | ||
235 | /* | |
236 | * `Async' versions of the above service routines. They aren't really, | |
237 | * because we send the callback before the reply proper. I hope this | |
238 | * doesn't break any clients. | |
239 | */ | |
240 | static int | |
241 | nlm4svc_proc_test_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
242 | void *resp) | |
243 | { | |
244 | struct nlm_res res; | |
245 | u32 stat; | |
246 | ||
247 | dprintk("lockd: TEST_MSG called\n"); | |
248 | memset(&res, 0, sizeof(res)); | |
249 | ||
250 | if ((stat = nlm4svc_proc_test(rqstp, argp, &res)) == 0) | |
251 | stat = nlm4svc_callback(rqstp, NLMPROC_TEST_RES, &res); | |
252 | return stat; | |
253 | } | |
254 | ||
255 | static int | |
256 | nlm4svc_proc_lock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
257 | void *resp) | |
258 | { | |
259 | struct nlm_res res; | |
260 | u32 stat; | |
261 | ||
262 | dprintk("lockd: LOCK_MSG called\n"); | |
263 | memset(&res, 0, sizeof(res)); | |
264 | ||
265 | if ((stat = nlm4svc_proc_lock(rqstp, argp, &res)) == 0) | |
266 | stat = nlm4svc_callback(rqstp, NLMPROC_LOCK_RES, &res); | |
267 | return stat; | |
268 | } | |
269 | ||
270 | static int | |
271 | nlm4svc_proc_cancel_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
272 | void *resp) | |
273 | { | |
274 | struct nlm_res res; | |
275 | u32 stat; | |
276 | ||
277 | dprintk("lockd: CANCEL_MSG called\n"); | |
278 | memset(&res, 0, sizeof(res)); | |
279 | ||
280 | if ((stat = nlm4svc_proc_cancel(rqstp, argp, &res)) == 0) | |
281 | stat = nlm4svc_callback(rqstp, NLMPROC_CANCEL_RES, &res); | |
282 | return stat; | |
283 | } | |
284 | ||
285 | static int | |
286 | nlm4svc_proc_unlock_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
287 | void *resp) | |
288 | { | |
289 | struct nlm_res res; | |
290 | u32 stat; | |
291 | ||
292 | dprintk("lockd: UNLOCK_MSG called\n"); | |
293 | memset(&res, 0, sizeof(res)); | |
294 | ||
295 | if ((stat = nlm4svc_proc_unlock(rqstp, argp, &res)) == 0) | |
296 | stat = nlm4svc_callback(rqstp, NLMPROC_UNLOCK_RES, &res); | |
297 | return stat; | |
298 | } | |
299 | ||
300 | static int | |
301 | nlm4svc_proc_granted_msg(struct svc_rqst *rqstp, struct nlm_args *argp, | |
302 | void *resp) | |
303 | { | |
304 | struct nlm_res res; | |
305 | u32 stat; | |
306 | ||
307 | dprintk("lockd: GRANTED_MSG called\n"); | |
308 | memset(&res, 0, sizeof(res)); | |
309 | ||
310 | if ((stat = nlm4svc_proc_granted(rqstp, argp, &res)) == 0) | |
311 | stat = nlm4svc_callback(rqstp, NLMPROC_GRANTED_RES, &res); | |
312 | return stat; | |
313 | } | |
314 | ||
315 | /* | |
316 | * SHARE: create a DOS share or alter existing share. | |
317 | */ | |
318 | static int | |
319 | nlm4svc_proc_share(struct svc_rqst *rqstp, struct nlm_args *argp, | |
320 | struct nlm_res *resp) | |
321 | { | |
322 | struct nlm_host *host; | |
323 | struct nlm_file *file; | |
324 | ||
325 | dprintk("lockd: SHARE called\n"); | |
326 | ||
327 | resp->cookie = argp->cookie; | |
328 | ||
329 | /* Don't accept new lock requests during grace period */ | |
330 | if (nlmsvc_grace_period && !argp->reclaim) { | |
331 | resp->status = nlm_lck_denied_grace_period; | |
332 | return rpc_success; | |
333 | } | |
334 | ||
335 | /* Obtain client and file */ | |
336 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
337 | return rpc_success; | |
338 | ||
339 | /* Now try to create the share */ | |
340 | resp->status = nlmsvc_share_file(host, file, argp); | |
341 | ||
342 | dprintk("lockd: SHARE status %d\n", ntohl(resp->status)); | |
343 | nlm_release_host(host); | |
344 | nlm_release_file(file); | |
345 | return rpc_success; | |
346 | } | |
347 | ||
348 | /* | |
349 | * UNSHARE: Release a DOS share. | |
350 | */ | |
351 | static int | |
352 | nlm4svc_proc_unshare(struct svc_rqst *rqstp, struct nlm_args *argp, | |
353 | struct nlm_res *resp) | |
354 | { | |
355 | struct nlm_host *host; | |
356 | struct nlm_file *file; | |
357 | ||
358 | dprintk("lockd: UNSHARE called\n"); | |
359 | ||
360 | resp->cookie = argp->cookie; | |
361 | ||
362 | /* Don't accept requests during grace period */ | |
363 | if (nlmsvc_grace_period) { | |
364 | resp->status = nlm_lck_denied_grace_period; | |
365 | return rpc_success; | |
366 | } | |
367 | ||
368 | /* Obtain client and file */ | |
369 | if ((resp->status = nlm4svc_retrieve_args(rqstp, argp, &host, &file))) | |
370 | return rpc_success; | |
371 | ||
372 | /* Now try to lock the file */ | |
373 | resp->status = nlmsvc_unshare_file(host, file, argp); | |
374 | ||
375 | dprintk("lockd: UNSHARE status %d\n", ntohl(resp->status)); | |
376 | nlm_release_host(host); | |
377 | nlm_release_file(file); | |
378 | return rpc_success; | |
379 | } | |
380 | ||
381 | /* | |
382 | * NM_LOCK: Create an unmonitored lock | |
383 | */ | |
384 | static int | |
385 | nlm4svc_proc_nm_lock(struct svc_rqst *rqstp, struct nlm_args *argp, | |
386 | struct nlm_res *resp) | |
387 | { | |
388 | dprintk("lockd: NM_LOCK called\n"); | |
389 | ||
390 | argp->monitor = 0; /* just clean the monitor flag */ | |
391 | return nlm4svc_proc_lock(rqstp, argp, resp); | |
392 | } | |
393 | ||
394 | /* | |
395 | * FREE_ALL: Release all locks and shares held by client | |
396 | */ | |
397 | static int | |
398 | nlm4svc_proc_free_all(struct svc_rqst *rqstp, struct nlm_args *argp, | |
399 | void *resp) | |
400 | { | |
401 | struct nlm_host *host; | |
402 | ||
403 | /* Obtain client */ | |
404 | if (nlm4svc_retrieve_args(rqstp, argp, &host, NULL)) | |
405 | return rpc_success; | |
406 | ||
407 | nlmsvc_free_host_resources(host); | |
408 | nlm_release_host(host); | |
409 | return rpc_success; | |
410 | } | |
411 | ||
412 | /* | |
413 | * SM_NOTIFY: private callback from statd (not part of official NLM proto) | |
414 | */ | |
415 | static int | |
416 | nlm4svc_proc_sm_notify(struct svc_rqst *rqstp, struct nlm_reboot *argp, | |
417 | void *resp) | |
418 | { | |
419 | struct sockaddr_in saddr = rqstp->rq_addr; | |
420 | int vers = argp->vers; | |
421 | int prot = argp->proto >> 1; | |
422 | ||
423 | struct nlm_host *host; | |
424 | ||
425 | dprintk("lockd: SM_NOTIFY called\n"); | |
426 | if (saddr.sin_addr.s_addr != htonl(INADDR_LOOPBACK) | |
427 | || ntohs(saddr.sin_port) >= 1024) { | |
428 | printk(KERN_WARNING | |
429 | "lockd: rejected NSM callback from %08x:%d\n", | |
430 | ntohl(rqstp->rq_addr.sin_addr.s_addr), | |
431 | ntohs(rqstp->rq_addr.sin_port)); | |
432 | return rpc_system_err; | |
433 | } | |
434 | ||
435 | /* Obtain the host pointer for this NFS server and try to | |
436 | * reclaim all locks we hold on this server. | |
437 | */ | |
438 | saddr.sin_addr.s_addr = argp->addr; | |
439 | ||
440 | if ((argp->proto & 1)==0) { | |
441 | if ((host = nlmclnt_lookup_host(&saddr, prot, vers)) != NULL) { | |
442 | nlmclnt_recovery(host, argp->state); | |
443 | nlm_release_host(host); | |
444 | } | |
445 | } else { | |
446 | /* If we run on an NFS server, delete all locks held by the client */ | |
447 | ||
448 | if ((host = nlm_lookup_host(1, &saddr, prot, vers)) != NULL) { | |
449 | nlmsvc_free_host_resources(host); | |
450 | nlm_release_host(host); | |
451 | } | |
452 | } | |
453 | return rpc_success; | |
454 | } | |
455 | ||
456 | /* | |
457 | * client sent a GRANTED_RES, let's remove the associated block | |
458 | */ | |
459 | static int | |
460 | nlm4svc_proc_granted_res(struct svc_rqst *rqstp, struct nlm_res *argp, | |
461 | void *resp) | |
462 | { | |
463 | if (!nlmsvc_ops) | |
464 | return rpc_success; | |
465 | ||
466 | dprintk("lockd: GRANTED_RES called\n"); | |
467 | ||
468 | nlmsvc_grant_reply(rqstp, &argp->cookie, argp->status); | |
469 | return rpc_success; | |
470 | } | |
471 | ||
472 | ||
473 | ||
474 | /* | |
475 | * This is the generic lockd callback for async RPC calls | |
476 | */ | |
477 | static u32 | |
478 | nlm4svc_callback(struct svc_rqst *rqstp, u32 proc, struct nlm_res *resp) | |
479 | { | |
480 | struct nlm_host *host; | |
481 | struct nlm_rqst *call; | |
482 | ||
483 | if (!(call = nlmclnt_alloc_call())) | |
484 | return rpc_system_err; | |
485 | ||
486 | host = nlmclnt_lookup_host(&rqstp->rq_addr, | |
487 | rqstp->rq_prot, rqstp->rq_vers); | |
488 | if (!host) { | |
489 | kfree(call); | |
490 | return rpc_system_err; | |
491 | } | |
492 | ||
493 | call->a_flags = RPC_TASK_ASYNC; | |
494 | call->a_host = host; | |
495 | memcpy(&call->a_args, resp, sizeof(*resp)); | |
496 | ||
497 | if (nlmsvc_async_call(call, proc, nlm4svc_callback_exit) < 0) | |
498 | goto error; | |
499 | ||
500 | return rpc_success; | |
501 | error: | |
502 | kfree(call); | |
503 | nlm_release_host(host); | |
504 | return rpc_system_err; | |
505 | } | |
506 | ||
507 | static void | |
508 | nlm4svc_callback_exit(struct rpc_task *task) | |
509 | { | |
510 | struct nlm_rqst *call = (struct nlm_rqst *) task->tk_calldata; | |
511 | ||
512 | if (task->tk_status < 0) { | |
513 | dprintk("lockd: %4d callback failed (errno = %d)\n", | |
514 | task->tk_pid, -task->tk_status); | |
515 | } | |
516 | nlm_release_host(call->a_host); | |
517 | kfree(call); | |
518 | } | |
519 | ||
520 | /* | |
521 | * NLM Server procedures. | |
522 | */ | |
523 | ||
524 | #define nlm4svc_encode_norep nlm4svc_encode_void | |
525 | #define nlm4svc_decode_norep nlm4svc_decode_void | |
526 | #define nlm4svc_decode_testres nlm4svc_decode_void | |
527 | #define nlm4svc_decode_lockres nlm4svc_decode_void | |
528 | #define nlm4svc_decode_unlockres nlm4svc_decode_void | |
529 | #define nlm4svc_decode_cancelres nlm4svc_decode_void | |
530 | #define nlm4svc_decode_grantedres nlm4svc_decode_void | |
531 | ||
532 | #define nlm4svc_proc_none nlm4svc_proc_null | |
533 | #define nlm4svc_proc_test_res nlm4svc_proc_null | |
534 | #define nlm4svc_proc_lock_res nlm4svc_proc_null | |
535 | #define nlm4svc_proc_cancel_res nlm4svc_proc_null | |
536 | #define nlm4svc_proc_unlock_res nlm4svc_proc_null | |
537 | ||
538 | struct nlm_void { int dummy; }; | |
539 | ||
540 | #define PROC(name, xargt, xrest, argt, rest, respsize) \ | |
541 | { .pc_func = (svc_procfunc) nlm4svc_proc_##name, \ | |
542 | .pc_decode = (kxdrproc_t) nlm4svc_decode_##xargt, \ | |
543 | .pc_encode = (kxdrproc_t) nlm4svc_encode_##xrest, \ | |
544 | .pc_release = NULL, \ | |
545 | .pc_argsize = sizeof(struct nlm_##argt), \ | |
546 | .pc_ressize = sizeof(struct nlm_##rest), \ | |
547 | .pc_xdrressize = respsize, \ | |
548 | } | |
549 | #define Ck (1+XDR_QUADLEN(NLM_MAXCOOKIELEN)) /* cookie */ | |
550 | #define No (1+1024/4) /* netobj */ | |
551 | #define St 1 /* status */ | |
552 | #define Rg 4 /* range (offset + length) */ | |
553 | struct svc_procedure nlmsvc_procedures4[] = { | |
554 | PROC(null, void, void, void, void, 1), | |
555 | PROC(test, testargs, testres, args, res, Ck+St+2+No+Rg), | |
556 | PROC(lock, lockargs, res, args, res, Ck+St), | |
557 | PROC(cancel, cancargs, res, args, res, Ck+St), | |
558 | PROC(unlock, unlockargs, res, args, res, Ck+St), | |
559 | PROC(granted, testargs, res, args, res, Ck+St), | |
560 | PROC(test_msg, testargs, norep, args, void, 1), | |
561 | PROC(lock_msg, lockargs, norep, args, void, 1), | |
562 | PROC(cancel_msg, cancargs, norep, args, void, 1), | |
563 | PROC(unlock_msg, unlockargs, norep, args, void, 1), | |
564 | PROC(granted_msg, testargs, norep, args, void, 1), | |
565 | PROC(test_res, testres, norep, res, void, 1), | |
566 | PROC(lock_res, lockres, norep, res, void, 1), | |
567 | PROC(cancel_res, cancelres, norep, res, void, 1), | |
568 | PROC(unlock_res, unlockres, norep, res, void, 1), | |
569 | PROC(granted_res, res, norep, res, void, 1), | |
570 | /* statd callback */ | |
571 | PROC(sm_notify, reboot, void, reboot, void, 1), | |
572 | PROC(none, void, void, void, void, 0), | |
573 | PROC(none, void, void, void, void, 0), | |
574 | PROC(none, void, void, void, void, 0), | |
575 | PROC(share, shareargs, shareres, args, res, Ck+St+1), | |
576 | PROC(unshare, shareargs, shareres, args, res, Ck+St+1), | |
577 | PROC(nm_lock, lockargs, res, args, res, Ck+St), | |
578 | PROC(free_all, notify, void, args, void, 1), | |
579 | ||
580 | }; |