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8158 Want named threads API
9857 proc manpages should have LIBRARY section
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--- old/usr/src/uts/common/fs/proc/prdata.h
+++ new/usr/src/uts/common/fs/proc/prdata.h
1 1 /*
2 2 * CDDL HEADER START
3 3 *
4 4 * The contents of this file are subject to the terms of the
5 5 * Common Development and Distribution License (the "License").
6 6 * You may not use this file except in compliance with the License.
7 7 *
8 8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 9 * or http://www.opensolaris.org/os/licensing.
10 10 * See the License for the specific language governing permissions
11 11 * and limitations under the License.
12 12 *
13 13 * When distributing Covered Code, include this CDDL HEADER in each
14 14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 15 * If applicable, add the following below this CDDL HEADER, with the
16 16 * fields enclosed by brackets "[]" replaced with your own identifying
17 17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 18 *
19 19 * CDDL HEADER END
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20 20 */
21 21 /*
22 22 * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
23 23 * Use is subject to license terms.
24 24 */
25 25
26 26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 27 /* All Rights Reserved */
28 28
29 29 /*
30 - * Copyright (c) 2013, Joyent, Inc. All rights reserved.
30 + * Copyright 2018 Joyent, Inc.
31 31 */
32 32
33 33 #ifndef _SYS_PROC_PRDATA_H
34 34 #define _SYS_PROC_PRDATA_H
35 35
36 36 #include <sys/isa_defs.h>
37 37 #include <sys/proc.h>
38 38 #include <sys/vnode.h>
39 39 #include <sys/prsystm.h>
40 40 #include <sys/model.h>
41 41 #include <sys/poll.h>
42 42 #include <sys/list.h>
43 43
44 44 #ifdef __cplusplus
45 45 extern "C" {
46 46 #endif
47 47
48 48 /*
49 49 * Test for thread being stopped, not on an event of interest,
50 50 * but with a directed stop in effect.
51 51 */
52 52 #define DSTOPPED(t) \
53 53 ((t)->t_state == TS_STOPPED && \
54 54 ((t)->t_proc_flag & TP_PRSTOP))
55 55
56 56 #define round4(r) (((r) + 3) & (~3))
57 57 #define round8(r) (((r) + 7) & (~7))
58 58 #define round16(r) (((r) + 15) & (~15))
59 59 #define roundlong(r) (((r) + sizeof (long) - 1) & (~(sizeof (long) - 1)))
60 60
61 61 #define PNSIZ 10 /* max size of /proc name entries */
62 62 #define PLNSIZ 10 /* max size of /proc lwp name entries */
63 63
64 64 /*
65 65 * Common file object to which all /proc vnodes for a specific process
66 66 * or lwp refer. One for the process, one for each lwp.
67 67 */
68 68 typedef struct prcommon {
69 69 kmutex_t prc_mutex; /* to wait for the proc/lwp to stop */
70 70 kcondvar_t prc_wait; /* to wait for the proc/lwp to stop */
71 71 ushort_t prc_flags; /* flags */
72 72 uint_t prc_writers; /* number of write opens of prnodes */
73 73 uint_t prc_selfopens; /* number of write opens by self */
74 74 pid_t prc_pid; /* process id */
75 75 model_t prc_datamodel; /* data model of the process */
76 76 proc_t *prc_proc; /* process being traced */
77 77 kthread_t *prc_thread; /* thread (lwp) being traced */
78 78 int prc_slot; /* procdir slot number */
79 79 id_t prc_tid; /* thread (lwp) id */
80 80 int prc_tslot; /* lwpdir slot number, -1 if reaped */
81 81 int prc_refcnt; /* this structure's reference count */
82 82 struct pollhead prc_pollhead; /* list of all pollers */
83 83 } prcommon_t;
84 84
85 85 /* prc_flags */
86 86 #define PRC_DESTROY 0x01 /* process or lwp is being destroyed */
87 87 #define PRC_LWP 0x02 /* structure refers to an lwp */
88 88 #define PRC_SYS 0x04 /* process is a system process */
89 89 #define PRC_POLL 0x08 /* poll() in progress on this process/lwp */
90 90 #define PRC_EXCL 0x10 /* exclusive access granted (old /proc) */
91 91
92 92 /*
93 93 * Macros for mapping between i-numbers and pids.
94 94 */
95 95 #define pmkino(tslot, pslot, nodetype) \
96 96 (((((ino_t)(tslot) << nproc_highbit) | \
97 97 (ino_t)(pslot)) << 6) | \
98 98 (nodetype) + 2)
99 99
100 100 /* for old /proc interface */
101 101 #define PRBIAS 64
102 102 #define ptoi(n) ((int)(((n) + PRBIAS))) /* pid to i-number */
103 103
104 104 /*
105 105 * Node types for /proc files (directories and files contained therein).
106 106 */
107 107 typedef enum prnodetype {
108 108 PR_PROCDIR, /* /proc */
109 109 PR_SELF, /* /proc/self */
110 110 PR_PIDDIR, /* /proc/<pid> */
111 111 PR_AS, /* /proc/<pid>/as */
112 112 PR_CTL, /* /proc/<pid>/ctl */
113 113 PR_STATUS, /* /proc/<pid>/status */
114 114 PR_LSTATUS, /* /proc/<pid>/lstatus */
115 115 PR_PSINFO, /* /proc/<pid>/psinfo */
116 116 PR_LPSINFO, /* /proc/<pid>/lpsinfo */
117 117 PR_MAP, /* /proc/<pid>/map */
118 118 PR_RMAP, /* /proc/<pid>/rmap */
119 119 PR_XMAP, /* /proc/<pid>/xmap */
120 120 PR_CRED, /* /proc/<pid>/cred */
121 121 PR_SIGACT, /* /proc/<pid>/sigact */
122 122 PR_AUXV, /* /proc/<pid>/auxv */
123 123 #if defined(__i386) || defined(__amd64)
124 124 PR_LDT, /* /proc/<pid>/ldt */
125 125 #endif
126 126 PR_USAGE, /* /proc/<pid>/usage */
127 127 PR_LUSAGE, /* /proc/<pid>/lusage */
128 128 PR_PAGEDATA, /* /proc/<pid>/pagedata */
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129 129 PR_WATCH, /* /proc/<pid>/watch */
130 130 PR_CURDIR, /* /proc/<pid>/cwd */
131 131 PR_ROOTDIR, /* /proc/<pid>/root */
132 132 PR_FDDIR, /* /proc/<pid>/fd */
133 133 PR_FD, /* /proc/<pid>/fd/nn */
134 134 PR_OBJECTDIR, /* /proc/<pid>/object */
135 135 PR_OBJECT, /* /proc/<pid>/object/xxx */
136 136 PR_LWPDIR, /* /proc/<pid>/lwp */
137 137 PR_LWPIDDIR, /* /proc/<pid>/lwp/<lwpid> */
138 138 PR_LWPCTL, /* /proc/<pid>/lwp/<lwpid>/lwpctl */
139 + PR_LWPNAME, /* /proc/<pid>/lwp/<lwpid>/lwpname */
139 140 PR_LWPSTATUS, /* /proc/<pid>/lwp/<lwpid>/lwpstatus */
140 141 PR_LWPSINFO, /* /proc/<pid>/lwp/<lwpid>/lwpsinfo */
141 142 PR_LWPUSAGE, /* /proc/<pid>/lwp/<lwpid>/lwpusage */
142 143 PR_XREGS, /* /proc/<pid>/lwp/<lwpid>/xregs */
143 144 PR_TMPLDIR, /* /proc/<pid>/lwp/<lwpid>/templates */
144 145 PR_TMPL, /* /proc/<pid>/lwp/<lwpid>/templates/<id> */
145 146 PR_SPYMASTER, /* /proc/<pid>/lwp/<lwpid>/spymaster */
146 147 #if defined(__sparc)
147 148 PR_GWINDOWS, /* /proc/<pid>/lwp/<lwpid>/gwindows */
148 149 PR_ASRS, /* /proc/<pid>/lwp/<lwpid>/asrs */
149 150 #endif
150 151 PR_PRIV, /* /proc/<pid>/priv */
151 152 PR_PATHDIR, /* /proc/<pid>/path */
152 153 PR_PATH, /* /proc/<pid>/path/xxx */
153 154 PR_CTDIR, /* /proc/<pid>/contracts */
154 155 PR_CT, /* /proc/<pid>/contracts/<ctid> */
155 156 PR_SECFLAGS, /* /proc/<pid>/secflags */
156 157 PR_PIDFILE, /* old process file */
157 158 PR_LWPIDFILE, /* old lwp file */
158 159 PR_OPAGEDATA, /* old page data file */
159 160 PR_NFILES /* number of /proc node types */
160 161 } prnodetype_t;
161 162
162 163 typedef struct prnode {
163 164 vnode_t *pr_next; /* list of all vnodes for process */
164 165 uint_t pr_flags; /* private flags */
165 166 kmutex_t pr_mutex; /* locks pr_files and child pr_flags */
166 167 prnodetype_t pr_type; /* node type */
167 168 mode_t pr_mode; /* file mode */
168 169 ino_t pr_ino; /* node id (for stat(2)) */
169 170 uint_t pr_hatid; /* hat layer id for page data files */
170 171 prcommon_t *pr_common; /* common data structure */
171 172 prcommon_t *pr_pcommon; /* process common data structure */
172 173 vnode_t *pr_parent; /* parent directory */
173 174 vnode_t **pr_files; /* contained files array (directory) */
174 175 uint_t pr_index; /* position within parent */
175 176 vnode_t *pr_pidfile; /* substitute vnode for old /proc */
176 177 vnode_t *pr_realvp; /* real vnode, file in object,fd dirs */
177 178 proc_t *pr_owner; /* the process that created this node */
178 179 vnode_t *pr_vnode; /* pointer to vnode */
179 180 struct contract *pr_contract; /* contract pointer */
180 181 int pr_cttype; /* active template type */
181 182 } prnode_t;
182 183
183 184 /*
184 185 * Values for pr_flags.
185 186 */
186 187 #define PR_INVAL 0x01 /* vnode is invalidated */
187 188 #define PR_ISSELF 0x02 /* vnode is a self-open */
188 189 #define PR_AOUT 0x04 /* vnode is for an a.out path */
189 190 #define PR_OFFMAX 0x08 /* vnode is a large file open */
190 191
191 192 /*
192 193 * Conversion macros.
193 194 */
194 195 #define VTOP(vp) ((struct prnode *)(vp)->v_data)
195 196 #define PTOV(pnp) ((pnp)->pr_vnode)
196 197
197 198 /*
198 199 * Flags to prlock().
199 200 */
200 201 #define ZNO 0 /* Fail on encountering a zombie process. */
201 202 #define ZYES 1 /* Allow zombies. */
202 203
203 204 /*
204 205 * Assign one set to another (possible different sizes).
205 206 *
206 207 * Assigning to a smaller set causes members to be lost.
207 208 * Assigning to a larger set causes extra members to be cleared.
208 209 */
209 210 #define prassignset(ap, sp) \
210 211 { \
211 212 register int _i_ = sizeof (*(ap))/sizeof (uint32_t); \
212 213 while (--_i_ >= 0) \
213 214 ((uint32_t *)(ap))[_i_] = \
214 215 (_i_ >= sizeof (*(sp))/sizeof (uint32_t)) ? \
215 216 0 : ((uint32_t *)(sp))[_i_]; \
216 217 }
217 218
218 219 /*
219 220 * Determine whether or not a set (of arbitrary size) is empty.
220 221 */
221 222 #define prisempty(sp) \
222 223 setisempty((uint32_t *)(sp), \
223 224 (uint_t)(sizeof (*(sp)) / sizeof (uint32_t)))
224 225
225 226 /*
226 227 * Resource usage with times as hrtime_t rather than timestruc_t.
227 228 * Each member exactly matches the corresponding member in prusage_t.
228 229 * This is for convenience of internal computation.
229 230 */
230 231 typedef struct prhusage {
231 232 id_t pr_lwpid; /* lwp id. 0: process or defunct */
232 233 int pr_count; /* number of contributing lwps */
233 234 hrtime_t pr_tstamp; /* current time stamp */
234 235 hrtime_t pr_create; /* process/lwp creation time stamp */
235 236 hrtime_t pr_term; /* process/lwp termination time stamp */
236 237 hrtime_t pr_rtime; /* total lwp real (elapsed) time */
237 238 hrtime_t pr_utime; /* user level CPU time */
238 239 hrtime_t pr_stime; /* system call CPU time */
239 240 hrtime_t pr_ttime; /* other system trap CPU time */
240 241 hrtime_t pr_tftime; /* text page fault sleep time */
241 242 hrtime_t pr_dftime; /* data page fault sleep time */
242 243 hrtime_t pr_kftime; /* kernel page fault sleep time */
243 244 hrtime_t pr_ltime; /* user lock wait sleep time */
244 245 hrtime_t pr_slptime; /* all other sleep time */
245 246 hrtime_t pr_wtime; /* wait-cpu (latency) time */
246 247 hrtime_t pr_stoptime; /* stopped time */
247 248 hrtime_t filltime[6]; /* filler for future expansion */
248 249 uint64_t pr_minf; /* minor page faults */
249 250 uint64_t pr_majf; /* major page faults */
250 251 uint64_t pr_nswap; /* swaps */
251 252 uint64_t pr_inblk; /* input blocks */
252 253 uint64_t pr_oublk; /* output blocks */
253 254 uint64_t pr_msnd; /* messages sent */
254 255 uint64_t pr_mrcv; /* messages received */
255 256 uint64_t pr_sigs; /* signals received */
256 257 uint64_t pr_vctx; /* voluntary context switches */
257 258 uint64_t pr_ictx; /* involuntary context switches */
258 259 uint64_t pr_sysc; /* system calls */
259 260 uint64_t pr_ioch; /* chars read and written */
260 261 uint64_t filler[10]; /* filler for future expansion */
261 262 } prhusage_t;
262 263
263 264 #if defined(_KERNEL)
264 265
265 266 /* Exclude system processes from this test */
266 267 #define PROCESS_NOT_32BIT(p) \
267 268 (!((p)->p_flag & SSYS) && (p)->p_as != &kas && \
268 269 (p)->p_model != DATAMODEL_ILP32)
269 270
270 271 extern int prnwatch; /* number of supported watchpoints */
271 272 extern int nproc_highbit; /* highbit(v.v_nproc) */
272 273
273 274 extern struct vnodeops *prvnodeops;
274 275
275 276 /*
276 277 * Generic chained copyout buffers for procfs use.
277 278 * In order to prevent procfs from making huge oversize kmem_alloc calls,
278 279 * a list of smaller buffers can be concatenated and copied to userspace in
279 280 * sequence.
280 281 *
281 282 * The implementation is opaque.
282 283 *
283 284 * A user of this will perform the following steps:
284 285 *
285 286 * list_t listhead;
286 287 * struct my *mp;
287 288 *
288 289 * pr_iol_initlist(&listhead, sizeof (*mp), n);
289 290 * while (whatever) {
290 291 * mp = pr_iol_newbuf(&listhead, sizeof (*mp);
291 292 * ...
292 293 * error = ...
293 294 * }
294 295 *
295 296 * When done, depending on whether copyout() or uiomove() is supposed to
296 297 * be used for transferring the buffered data to userspace, call either:
297 298 *
298 299 * error = pr_iol_copyout_and_free(&listhead, &cmaddr, error);
299 300 *
300 301 * or else:
301 302 *
302 303 * error = pr_iol_uiomove_and_free(&listhead, uiop, error);
303 304 *
304 305 * These two functions will in any case kmem_free() all list items, but
305 306 * if an error occurred before they will not perform the copyout/uiomove.
306 307 * If copyout/uiomove are done, the passed target address / uio_t
307 308 * are updated. The error returned will either be the one passed in, or
308 309 * the error that occurred during copyout/uiomove.
309 310 */
310 311
311 312 extern void pr_iol_initlist(list_t *head, size_t itemsize, int nitems);
312 313 extern void * pr_iol_newbuf(list_t *head, size_t itemsize);
313 314 extern int pr_iol_copyout_and_free(list_t *head, caddr_t *tgt, int errin);
314 315 extern int pr_iol_uiomove_and_free(list_t *head, uio_t *uiop, int errin);
315 316
316 317 #if defined(_SYSCALL32_IMPL)
317 318
318 319 extern int prwritectl32(vnode_t *, struct uio *, cred_t *);
319 320 extern void prgetaction32(proc_t *, user_t *, uint_t, struct sigaction32 *);
320 321 extern void prcvtusage32(struct prhusage *, prusage32_t *);
321 322
322 323 #endif /* _SYSCALL32_IMPL */
323 324
324 325 /* kludge to support old /proc interface */
325 326 #if !defined(_SYS_OLD_PROCFS_H)
326 327 extern int prgetmap(proc_t *, int, list_t *);
327 328 extern int prgetxmap(proc_t *, list_t *);
328 329 #if defined(_SYSCALL32_IMPL)
329 330 extern int prgetmap32(proc_t *, int, list_t *);
330 331 extern int prgetxmap32(proc_t *, list_t *);
331 332 #endif /* _SYSCALL32_IMPL */
332 333 #endif /* !_SYS_OLD_PROCFS_H */
333 334
334 335 extern proc_t *pr_p_lock(prnode_t *);
335 336 extern kthread_t *pr_thread(prnode_t *);
336 337 extern void pr_stop(prnode_t *);
337 338 extern int pr_wait_stop(prnode_t *, time_t);
338 339 extern int pr_setrun(prnode_t *, ulong_t);
339 340 extern int pr_wait(prcommon_t *, timestruc_t *, int);
340 341 extern void pr_wait_die(prnode_t *);
341 342 extern int pr_setsig(prnode_t *, siginfo_t *);
342 343 extern int pr_kill(prnode_t *, int, cred_t *);
343 344 extern int pr_unkill(prnode_t *, int);
344 345 extern int pr_nice(proc_t *, int, cred_t *);
345 346 extern void pr_setentryexit(proc_t *, sysset_t *, int);
346 347 extern int pr_set(proc_t *, long);
347 348 extern int pr_unset(proc_t *, long);
348 349 extern void pr_sethold(prnode_t *, sigset_t *);
349 350 extern void pr_setfault(proc_t *, fltset_t *);
350 351 extern int prusrio(proc_t *, enum uio_rw, struct uio *, int);
351 352 extern int prwritectl(vnode_t *, struct uio *, cred_t *);
352 353 extern int prlock(prnode_t *, int);
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353 354 extern void prunmark(proc_t *);
354 355 extern void prunlock(prnode_t *);
355 356 extern size_t prpdsize(struct as *);
356 357 extern int prpdread(proc_t *, uint_t, struct uio *);
357 358 extern size_t oprpdsize(struct as *);
358 359 extern int oprpdread(struct as *, uint_t, struct uio *);
359 360 extern void prgetaction(proc_t *, user_t *, uint_t, struct sigaction *);
360 361 extern void prgetusage(kthread_t *, struct prhusage *);
361 362 extern void praddusage(kthread_t *, struct prhusage *);
362 363 extern void prcvtusage(struct prhusage *, prusage_t *);
363 -extern void prscaleusage(prhusage_t *);
364 +extern void prscaleusage(prhusage_t *);
364 365 extern kthread_t *prchoose(proc_t *);
365 366 extern void allsetrun(proc_t *);
366 367 extern int setisempty(uint32_t *, uint_t);
367 368 extern int pr_u32tos(uint32_t, char *, int);
368 369 extern vnode_t *prlwpnode(prnode_t *, uint_t);
369 370 extern prnode_t *prgetnode(vnode_t *, prnodetype_t);
370 371 extern void prfreenode(prnode_t *);
371 372 extern void pr_object_name(char *, vnode_t *, struct vattr *);
372 373 extern int set_watched_area(proc_t *, struct watched_area *);
373 374 extern int clear_watched_area(proc_t *, struct watched_area *);
374 375 extern void pr_free_watchpoints(proc_t *);
375 376 extern proc_t *pr_cancel_watch(prnode_t *);
376 377 extern struct seg *break_seg(proc_t *);
377 378
378 379 /*
379 380 * Machine-dependent routines (defined in prmachdep.c).
380 381 */
381 382 extern void prgetprregs(klwp_t *, prgregset_t);
382 383 extern void prsetprregs(klwp_t *, prgregset_t, int);
383 384
384 385 #if defined(_SYSCALL32_IMPL)
385 386 extern void prgetprregs32(klwp_t *, prgregset32_t);
386 387 extern void prgregset_32ton(klwp_t *, prgregset32_t, prgregset_t);
387 388 extern void prgetprfpregs32(klwp_t *, prfpregset32_t *);
388 389 extern void prsetprfpregs32(klwp_t *, prfpregset32_t *);
389 390 extern size_t prpdsize32(struct as *);
390 391 extern int prpdread32(proc_t *, uint_t, struct uio *);
391 392 extern size_t oprpdsize32(struct as *);
392 393 extern int oprpdread32(struct as *, uint_t, struct uio *);
393 394 #endif /* _SYSCALL32_IMPL */
394 395
395 396 extern void prpokethread(kthread_t *t);
396 397 extern int prgetrvals(klwp_t *, long *, long *);
397 398 extern void prgetprfpregs(klwp_t *, prfpregset_t *);
398 399 extern void prsetprfpregs(klwp_t *, prfpregset_t *);
399 400 extern void prgetprxregs(klwp_t *, caddr_t);
400 401 extern void prsetprxregs(klwp_t *, caddr_t);
401 402 extern int prgetprxregsize(proc_t *);
402 403 extern int prhasfp(void);
403 404 extern int prhasx(proc_t *);
404 405 extern caddr_t prgetstackbase(proc_t *);
405 406 extern caddr_t prgetpsaddr(proc_t *);
406 407 extern int prisstep(klwp_t *);
407 408 extern void prsvaddr(klwp_t *, caddr_t);
408 409 extern int prfetchinstr(klwp_t *, ulong_t *);
409 410 extern ushort_t prgetpctcpu(uint64_t);
410 411
411 412 #endif /* _KERNEL */
412 413
413 414 #ifdef __cplusplus
414 415 }
415 416 #endif
416 417
417 418 #endif /* _SYS_PROC_PRDATA_H */
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