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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC vs.
Revision 1.136 by root, Sun Apr 19 13:15:55 2009 UTC

1#define _XOPEN_SOURCE 500 1#include "libeio/xthread.h"
2
3#include <errno.h>
2 4
3#include "EXTERN.h" 5#include "EXTERN.h"
4#include "perl.h" 6#include "perl.h"
5#include "XSUB.h" 7#include "XSUB.h"
6 8
9#include <stddef.h>
10#include <stdlib.h>
11#include <errno.h>
7#include <sys/types.h> 12#include <sys/types.h>
8#include <sys/stat.h> 13#include <sys/stat.h>
9
10#include <unistd.h> 14#include <limits.h>
11#include <fcntl.h> 15#include <fcntl.h>
12#include <signal.h>
13#include <sched.h> 16#include <sched.h>
14#if __linux 17
18/* perl namespace pollution */
19#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
15#include <sys/syscall.h> 62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
16#endif 68#endif
17 69
18#include <pthread.h> 70/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */
72#undef readdir
73#undef opendir
74#undef closedir
19 75
20typedef void *InputStream; /* hack, but 5.6.1 is simply toooo old ;) */ 76#define EIO_STRUCT_STAT Stat_t
21typedef void *OutputStream; /* hack, but 5.6.1 is simply toooo old ;) */
22typedef void *InOutStream; /* hack, but 5.6.1 is simply toooo old ;) */
23 77
24#if __ia64 78/* use NV for 32 bit perls as it allows larger offsets */
25# define STACKSIZE 65536 79#if IVSIZE >= 8
80# define SvVAL64 SvIV
26#else 81#else
27# define STACKSIZE 4096 82# define SvVAL64 SvNV
28#endif 83#endif
29 84
85/*****************************************************************************/
86
87#if __GNUC__ >= 3
88# define expect(expr,value) __builtin_expect ((expr),(value))
89#else
90# define expect(expr,value) (expr)
91#endif
92
93#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1)
95
96/*****************************************************************************/
97
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */
100
101#define AIO_REQ_KLASS "IO::AIO::REQ"
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103
104#define EIO_REQ_MEMBERS \
105 SV *callback; \
106 SV *sv1, *sv2; \
107 STRLEN stroffset; \
108 SV *self;
109
110#define EIO_NO_WRAPPERS 1
111
112#include "libeio/eio.h"
113
114static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req)
118
30enum { 119enum {
31 REQ_QUIT, 120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
32 REQ_OPEN, REQ_CLOSE,
33 REQ_READ, REQ_WRITE, REQ_READAHEAD,
34 REQ_STAT, REQ_LSTAT, REQ_FSTAT, REQ_UNLINK,
35 REQ_FSYNC, REQ_FDATASYNC,
36}; 121};
37 122
38typedef struct aio_cb { 123#include "libeio/eio.c"
39 struct aio_cb *volatile next;
40 124
41 int type;
42
43 int fd;
44 off_t offset;
45 size_t length;
46 ssize_t result;
47 mode_t mode; /* open */
48 int errorno;
49 SV *data, *callback, *fh;
50 void *dataptr;
51 STRLEN dataoffset;
52
53 Stat_t *statdata;
54} aio_cb;
55
56typedef aio_cb *aio_req; 125typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot;
57 127
58static int started; 128static SV *on_next_submit;
59static volatile int nreqs; 129static int next_pri = EIO_PRI_DEFAULT;
60static int max_outstanding = 1<<30; 130static int max_outstanding;
61static int respipe [2];
62 131
63static pthread_mutex_t reslock = PTHREAD_MUTEX_INITIALIZER; 132static int respipe_osf [2], respipe [2] = { -1, -1 };
64static pthread_mutex_t reqlock = PTHREAD_MUTEX_INITIALIZER;
65static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
66 133
67static volatile aio_req reqs, reqe; /* queue start, queue end */ 134static void req_destroy (aio_req req);
68static volatile aio_req ress, rese; /* queue start, queue end */ 135static void req_cancel (aio_req req);
69 136
70static void 137static void want_poll (void)
71poll_wait ()
72{ 138{
73 if (nreqs && !ress) 139 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
141}
142
143static void done_poll (void)
144{
145 /* read any signals sent by the worker threads */
146 char buf [4];
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149}
150
151/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass)
153{
154 if (!req->self)
74 { 155 {
75 fd_set rfd; 156 req->self = (SV *)newHV ();
76 FD_ZERO(&rfd); 157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
77 FD_SET(respipe [0], &rfd);
78
79 select (respipe [0] + 1, &rfd, 0, 0, 0);
80 } 158 }
81}
82 159
83static int 160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
84poll_cb () 161}
162
163static aio_req SvAIO_REQ (SV *sv)
164{
165 MAGIC *mg;
166
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))
168 croak ("object of class " AIO_REQ_KLASS " expected");
169
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171
172 return mg ? (aio_req)mg->mg_ptr : 0;
173}
174
175static void aio_grp_feed (aio_req grp)
176{
177 if (grp->sv2 && SvOK (grp->sv2))
178 {
179 dSP;
180
181 ENTER;
182 SAVETMPS;
183 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS));
185 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN;
188 FREETMPS;
189 LEAVE;
190 }
191}
192
193static void req_submit (eio_req *req)
194{
195 eio_submit (req);
196
197 if (expect_false (on_next_submit))
198 {
199 dSP;
200 SV *cb = sv_2mortal (on_next_submit);
201
202 on_next_submit = 0;
203
204 PUSHMARK (SP);
205 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL);
207 }
208}
209
210static int req_invoke (eio_req *req)
85{ 211{
86 dSP; 212 dSP;
87 int count = 0;
88 aio_req req, prv;
89 213
90 pthread_mutex_lock (&reslock); 214 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2);
91 216
92 { 217 if (!EIO_CANCELLED (req) && req->callback)
93 /* read any signals sent by the worker threads */
94 char buf [32];
95 while (read (respipe [0], buf, 32) > 0)
96 ;
97 }
98
99 req = ress;
100 ress = rese = 0;
101
102 pthread_mutex_unlock (&reslock);
103
104 while (req)
105 { 218 {
106 nreqs--; 219 ENTER;
220 SAVETMPS;
221 PUSHMARK (SP);
222 EXTEND (SP, 1);
107 223
108 if (req->type == REQ_QUIT) 224 switch (req->type)
109 started--;
110 else
111 { 225 {
112 int errorno = errno; 226 case EIO_READDIR:
113 errno = req->errorno;
114
115 if (req->type == REQ_READ)
116 SvCUR_set (req->data, req->dataoffset
117 + req->result > 0 ? req->result : 0);
118
119 if (req->data)
120 SvREFCNT_dec (req->data);
121
122 if (req->fh)
123 SvREFCNT_dec (req->fh);
124
125 if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT)
126 { 227 {
127 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 228 SV *rv = &PL_sv_undef;
128 PL_laststatval = req->result;
129 PL_statcache = *(req->statdata);
130 229
131 Safefree (req->statdata); 230 if (req->result >= 0)
231 {
232 int i;
233 char *buf = req->ptr2;
234 AV *av = newAV ();
235
236 av_extend (av, req->result - 1);
237
238 for (i = 0; i < req->result; ++i)
239 {
240 SV *sv = newSVpv (buf, 0);
241
242 av_store (av, i, sv);
243 buf += SvCUR (sv) + 1;
244 }
245
246 rv = sv_2mortal (newRV_noinc ((SV *)av));
247 }
248
249 PUSHs (rv);
132 } 250 }
251 break;
133 252
134 ENTER; 253 case EIO_OPEN:
135 PUSHMARK (SP);
136 XPUSHs (sv_2mortal (newSViv (req->result)));
137
138 if (req->type == REQ_OPEN)
139 { 254 {
140 /* convert fd to fh */ 255 /* convert fd to fh */
141 SV *fh; 256 SV *fh = &PL_sv_undef;
142 257
143 PUTBACK; 258 if (req->result >= 0)
144 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 259 {
145 SPAGAIN; 260 GV *gv = (GV *)sv_newmortal ();
261 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262 char sym [64];
263 int symlen;
264
265 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result);
266 gv_init (gv, stash, sym, symlen, 0);
146 267
147 fh = SvREFCNT_inc (POPs); 268 symlen = snprintf (
269 sym,
270 sizeof (sym),
271 "%s&=%d",
272 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273 req->result
274 );
148 275
276 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277 fh = (SV *)gv;
278 }
279
149 PUSHMARK (SP); 280 PUSHs (fh);
150 XPUSHs (sv_2mortal (fh));
151 } 281 }
152
153 if (SvOK (req->callback))
154 {
155 PUTBACK;
156 call_sv (req->callback, G_VOID | G_EVAL);
157 SPAGAIN;
158 }
159
160 LEAVE;
161
162 if (req->callback)
163 SvREFCNT_dec (req->callback);
164
165 errno = errorno;
166 count++;
167 }
168
169 prv = req;
170 req = req->next;
171 Safefree (prv);
172
173 /* TODO: croak on errors? */
174 }
175
176 return count;
177}
178
179static void *aio_proc(void *arg);
180
181static void
182start_thread (void)
183{
184 sigset_t fullsigset, oldsigset;
185 pthread_t tid;
186 pthread_attr_t attr;
187
188 pthread_attr_init (&attr);
189 pthread_attr_setstacksize (&attr, STACKSIZE);
190 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
191
192 sigfillset (&fullsigset);
193 sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset);
194
195 if (pthread_create (&tid, &attr, aio_proc, 0) == 0)
196 started++;
197
198 sigprocmask (SIG_SETMASK, &oldsigset, 0);
199}
200
201static void
202send_req (aio_req req)
203{
204 nreqs++;
205
206 pthread_mutex_lock (&reqlock);
207
208 req->next = 0;
209
210 if (reqe)
211 {
212 reqe->next = req;
213 reqe = req;
214 }
215 else
216 reqe = reqs = req;
217
218 pthread_cond_signal (&reqwait);
219 pthread_mutex_unlock (&reqlock);
220
221 while (nreqs > max_outstanding)
222 {
223 poll_wait ();
224 poll_cb ();
225 }
226}
227
228static void
229end_thread (void)
230{
231 aio_req req;
232 New (0, req, 1, aio_cb);
233 req->type = REQ_QUIT;
234
235 send_req (req);
236}
237
238static void *
239aio_proc (void *thr_arg)
240{
241 aio_req req;
242 int type;
243
244 do
245 {
246 pthread_mutex_lock (&reqlock);
247
248 for (;;)
249 {
250 req = reqs;
251
252 if (reqs)
253 {
254 reqs = reqs->next;
255 if (!reqs) reqe = 0;
256 }
257
258 if (req)
259 break; 282 break;
260 283
261 pthread_cond_wait (&reqwait, &reqlock); 284 case EIO_GROUP:
262 } 285 req->int1 = 2; /* mark group as finished */
263 286
264 pthread_mutex_unlock (&reqlock); 287 if (req->sv1)
265
266 errno = 0; /* strictly unnecessary */
267
268 type = req->type;
269
270 switch (type)
271 { 288 {
272 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 289 int i;
273 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 290 AV *av = (AV *)req->sv1;
274#if SYS_readahead
275 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
276#else
277 case REQ_READAHEAD: req->result = -1; errno = ENOSYS; break;
278#endif
279 291
280 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 292 EXTEND (SP, AvFILL (av) + 1);
281 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 293 for (i = 0; i <= AvFILL (av); ++i)
282 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 294 PUSHs (*av_fetch (av, i, 0));
283 295 }
284 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
285 case REQ_CLOSE: req->result = close (req->fd); break;
286 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
287
288 case REQ_FSYNC: req->result = fsync (req->fd); break;
289 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
290
291 case REQ_QUIT:
292 break; 296 break;
293 297
298 case EIO_NOP:
299 case EIO_BUSY:
300 break;
301
302 case EIO_READLINK:
303 if (req->result > 0)
304 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305 break;
306
307 case EIO_STAT:
308 case EIO_LSTAT:
309 case EIO_FSTAT:
310 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311 PL_laststatval = req->result;
312 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313 PUSHs (sv_2mortal (newSViv (req->result)));
314 break;
315
316 case EIO_READ:
317 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
318 *SvEND (req->sv2) = 0;
319 PUSHs (sv_2mortal (newSViv (req->result)));
320 break;
321
322 case EIO_DUP2:
323 if (req->result > 0)
324 req->result = 0;
325 /* FALLTHROUGH */
326
294 default: 327 default:
295 req->result = ENOSYS; 328 PUSHs (sv_2mortal (newSViv (req->result)));
296 break; 329 break;
297 } 330 }
298 331
299 req->errorno = errno; 332 errno = req->errorno;
300 333
301 pthread_mutex_lock (&reslock); 334 PUTBACK;
335 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
336 SPAGAIN;
302 337
303 req->next = 0; 338 FREETMPS;
339 LEAVE;
304 340
305 if (rese) 341 PUTBACK;
306 {
307 rese->next = req;
308 rese = req;
309 }
310 else
311 {
312 rese = ress = req;
313
314 /* write a dummy byte to the pipe so fh becomes ready */
315 write (respipe [1], &respipe, 1);
316 }
317
318 pthread_mutex_unlock (&reslock);
319 } 342 }
320 while (type != REQ_QUIT);
321 343
344 return !!SvTRUE (ERRSV);
345}
346
347static void req_destroy (aio_req req)
348{
349 if (req->self)
350 {
351 sv_unmagic (req->self, PERL_MAGIC_ext);
352 SvREFCNT_dec (req->self);
353 }
354
355 SvREFCNT_dec (req->sv1);
356 SvREFCNT_dec (req->sv2);
357 SvREFCNT_dec (req->callback);
358
359 Safefree (req);
360}
361
362static void req_cancel_subs (aio_req grp)
363{
364 aio_req sub;
365
366 if (grp->type != EIO_GROUP)
367 return;
368
369 SvREFCNT_dec (grp->sv2);
370 grp->sv2 = 0;
371
372 eio_grp_cancel (grp);
373}
374
375#ifdef USE_SOCKETS_AS_HANDLES
376# define TO_SOCKET(x) (win32_get_osfhandle (x))
377#else
378# define TO_SOCKET(x) (x)
379#endif
380
381static void
382create_respipe (void)
383{
384 int old_readfd = respipe [0];
385
386 if (respipe [1] >= 0)
387 respipe_close (TO_SOCKET (respipe [1]));
388
389#ifdef _WIN32
390 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391#else
392 if (pipe (respipe))
393#endif
394 croak ("unable to initialize result pipe");
395
396 if (old_readfd >= 0)
397 {
398 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399 croak ("unable to initialize result pipe(2)");
400
401 respipe_close (respipe [0]);
402 respipe [0] = old_readfd;
403 }
404
405#ifdef _WIN32
406 int arg = 1;
407 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409#else
410 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412#endif
413 croak ("unable to initialize result pipe(3)");
414
415 respipe_osf [0] = TO_SOCKET (respipe [0]);
416 respipe_osf [1] = TO_SOCKET (respipe [1]);
417}
418
419static void poll_wait (void)
420{
421 fd_set rfd;
422
423 while (eio_nreqs ())
424 {
425 int size;
426
427 X_LOCK (reslock);
428 size = res_queue.size;
429 X_UNLOCK (reslock);
430
431 if (size)
432 return;
433
434 etp_maybe_start_thread ();
435
436 FD_ZERO (&rfd);
437 FD_SET (respipe [0], &rfd);
438
439 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440 }
441}
442
443static int poll_cb (void)
444{
445 for (;;)
446 {
447 int res = eio_poll ();
448
449 if (res > 0)
450 croak (0);
451
452 if (!max_outstanding || max_outstanding > eio_nreqs ())
453 return res;
454
455 poll_wait ();
456 }
457}
458
459static void atfork_child (void)
460{
461 create_respipe ();
462}
463
464static SV *
465get_cb (SV *cb_sv)
466{
467 HV *st;
468 GV *gvp;
469 CV *cv;
470
471 if (!SvOK (cb_sv))
322 return 0; 472 return 0;
473
474 cv = sv_2cv (cb_sv, &st, &gvp, 0);
475
476 if (!cv)
477 croak ("IO::AIO callback must be undef or a CODE reference");
478
479 return (SV *)cv;
480}
481
482#define dREQ \
483 SV *cb_cv; \
484 aio_req req; \
485 int req_pri = next_pri; \
486 next_pri = EIO_PRI_DEFAULT; \
487 \
488 cb_cv = get_cb (callback); \
489 \
490 Newz (0, req, 1, eio_req); \
491 if (!req) \
492 croak ("out of memory during eio_req allocation"); \
493 \
494 req->callback = SvREFCNT_inc (cb_cv); \
495 req->pri = req_pri
496
497#define REQ_SEND \
498 PUTBACK; \
499 req_submit (req); \
500 SPAGAIN; \
501 \
502 if (GIMME_V != G_VOID) \
503 XPUSHs (req_sv (req, AIO_REQ_KLASS));
504
505static int
506extract_fd (SV *fh, int wr)
507{
508 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
509
510 if (fd < 0)
511 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
512
513 return fd;
323} 514}
324 515
325MODULE = IO::AIO PACKAGE = IO::AIO 516MODULE = IO::AIO PACKAGE = IO::AIO
326 517
327PROTOTYPES: ENABLE 518PROTOTYPES: ENABLE
328 519
329BOOT: 520BOOT:
330{ 521{
331 if (pipe (respipe)) 522 stash = gv_stashpv ("IO::AIO", 1);
332 croak ("unable to initialize result pipe");
333 523
334 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) 524 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
335 croak ("cannot set result pipe to nonblocking mode"); 525 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
526 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
527 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
528 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
529#ifndef _WIN32
530 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
531#endif
532 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
533 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
534 newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
535 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
336 536
337 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) 537 create_respipe ();
338 croak ("cannot set result pipe to nonblocking mode");
339}
340 538
539 if (eio_init (want_poll, done_poll) < 0)
540 croak ("IO::AIO: unable to initialise eio library");
541
542 /* atfork child called in fifo order, so before eio's handler */
543 X_THREAD_ATFORK (0, 0, atfork_child);
544}
545
341void 546void
342min_parallel(nthreads) 547max_poll_reqs (int nreqs)
343 int nthreads
344 PROTOTYPE: $ 548 PROTOTYPE: $
345 CODE: 549 CODE:
346 while (nthreads > started) 550 eio_set_max_poll_reqs (nreqs);
347 start_thread ();
348 551
349void 552void
350max_parallel(nthreads) 553max_poll_time (double nseconds)
351 int nthreads
352 PROTOTYPE: $ 554 PROTOTYPE: $
353 CODE: 555 CODE:
556 eio_set_max_poll_time (nseconds);
557
558void
559min_parallel (int nthreads)
560 PROTOTYPE: $
561 CODE:
562 eio_set_min_parallel (nthreads);
563
564void
565max_parallel (int nthreads)
566 PROTOTYPE: $
567 CODE:
568 eio_set_max_parallel (nthreads);
569
570void
571max_idle (int nthreads)
572 PROTOTYPE: $
573 CODE:
574 eio_set_max_idle (nthreads);
575
576void
577max_outstanding (int maxreqs)
578 PROTOTYPE: $
579 CODE:
580 max_outstanding = maxreqs;
581
582void
583aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
584 PROTOTYPE: $$$;$
585 PPCODE:
354{ 586{
355 int cur = started; 587 dREQ;
356 while (cur > nthreads) 588
357 { 589 req->type = EIO_OPEN;
358 end_thread (); 590 req->sv1 = newSVsv (pathname);
591 req->ptr1 = SvPVbyte_nolen (req->sv1);
592 req->int1 = flags;
593 req->int2 = mode;
594
595 REQ_SEND;
596}
597
598void
599aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
600 PROTOTYPE: $;$
601 ALIAS:
602 aio_fsync = EIO_FSYNC
603 aio_fdatasync = EIO_FDATASYNC
604 PPCODE:
605{
606 int fd = extract_fd (fh, 0);
607 dREQ;
608
609 req->type = ix;
610 req->sv1 = newSVsv (fh);
611 req->int1 = fd;
612
613 REQ_SEND (req);
614}
615
616void
617aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef)
618 PROTOTYPE: $$$$;$
619 PPCODE:
620{
621 int fd = extract_fd (fh, 0);
622 dREQ;
623
624 req->type = EIO_SYNC_FILE_RANGE;
625 req->sv1 = newSVsv (fh);
626 req->int1 = fd;
627 req->offs = SvVAL64 (offset);
628 req->size = SvVAL64 (nbytes);
629 req->int2 = flags;
630
631 REQ_SEND (req);
632}
633
634void
635aio_close (SV *fh, SV *callback=&PL_sv_undef)
636 PROTOTYPE: $;$
637 PPCODE:
638{
639 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
640 int fd = extract_fd (fh, 0);
641 dREQ;
642
643 if (close_pipe < 0)
644 {
645 int pipefd [2];
646
647 if (pipe (pipefd) < 0
648 || close (pipefd [1]) < 0
649 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
650 abort (); /*D*/
651
652 close_pipe = pipefd [0];
653 }
654
655 req->type = EIO_DUP2;
656 req->int1 = close_pipe;
657 req->sv2 = newSVsv (fh);
658 req->int2 = fd;
659
660 REQ_SEND (req);
661}
662
663void
664aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
665 ALIAS:
666 aio_read = EIO_READ
667 aio_write = EIO_WRITE
668 PROTOTYPE: $$$$$;$
669 PPCODE:
670{
671 STRLEN svlen;
672 char *svptr = SvPVbyte (data, svlen);
673 UV len = SvUV (length);
674 int fd;
675
676 if (SvTYPE (data) > SVt_PVMG)
677 croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data));
678
679 SvUPGRADE (data, SVt_PV);
680 SvPOK_only (data);
681
682 if (dataoffset < 0)
683 dataoffset += svlen;
684
685 if (dataoffset < 0 || dataoffset > svlen)
686 croak ("dataoffset outside of data scalar");
687
688 if (ix == EIO_WRITE)
689 {
690 /* write: check length and adjust. */
691 if (!SvOK (length) || len + dataoffset > svlen)
692 len = svlen - dataoffset;
693 }
694 else
695 {
696 /* read: grow scalar as necessary */
697 svptr = SvGROW (data, len + dataoffset + 1);
698 }
699
700 if (len < 0)
701 croak ("length must not be negative");
702
703 fd = extract_fd (fh, ix == EIO_WRITE);
704
705 {
706 dREQ;
707
708 req->type = ix;
709 req->sv1 = newSVsv (fh);
710 req->int1 = fd;
711 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
712 req->size = len;
713 req->sv2 = SvREFCNT_inc (data);
714 req->ptr2 = (char *)svptr + dataoffset;
715 req->stroffset = dataoffset;
716
717 if (!SvREADONLY (data))
359 cur--; 718 {
719 SvREADONLY_on (data);
720 req->flags |= FLAG_SV2_RO_OFF;
360 } 721 }
361 722
362 while (started > nthreads) 723 REQ_SEND;
724 }
725}
726
727void
728aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
729 PROTOTYPE: $$;$
730 PPCODE:
731{
732 SV *data;
733 dREQ;
734
735 req->type = EIO_READLINK;
736 req->sv1 = newSVsv (path);
737 req->ptr1 = SvPVbyte_nolen (req->sv1);
738
739 REQ_SEND;
740}
741
742void
743aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef)
744 PROTOTYPE: $$$$;$
745 PPCODE:
746{
747 int ifd = extract_fd (in_fh , 0);
748 int ofd = extract_fd (out_fh, 0);
749 dREQ;
750
751 req->type = EIO_SENDFILE;
752 req->sv1 = newSVsv (out_fh);
753 req->int1 = ofd;
754 req->sv2 = newSVsv (in_fh);
755 req->int2 = ifd;
756 req->offs = SvVAL64 (in_offset);
757 req->size = length;
758
759 REQ_SEND;
760}
761
762void
763aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef)
764 PROTOTYPE: $$$;$
765 PPCODE:
766{
767 int fd = extract_fd (fh, 0);
768 dREQ;
769
770 req->type = EIO_READAHEAD;
771 req->sv1 = newSVsv (fh);
772 req->int1 = fd;
773 req->offs = SvVAL64 (offset);
774 req->size = length;
775
776 REQ_SEND;
777}
778
779void
780aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
781 ALIAS:
782 aio_stat = EIO_STAT
783 aio_lstat = EIO_LSTAT
784 PPCODE:
785{
786 dREQ;
787
788 req->sv1 = newSVsv (fh_or_path);
789
790 if (SvPOK (req->sv1))
791 {
792 req->type = ix;
793 req->ptr1 = SvPVbyte_nolen (req->sv1);
794 }
795 else
796 {
797 req->type = EIO_FSTAT;
798 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
799 }
800
801 REQ_SEND;
802}
803
804void
805aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
806 PPCODE:
807{
808 dREQ;
809
810 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
811 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
812 req->sv1 = newSVsv (fh_or_path);
813
814 if (SvPOK (req->sv1))
815 {
816 req->type = EIO_UTIME;
817 req->ptr1 = SvPVbyte_nolen (req->sv1);
818 }
819 else
820 {
821 req->type = EIO_FUTIME;
822 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
823 }
824
825 REQ_SEND;
826}
827
828void
829aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
830 PPCODE:
831{
832 dREQ;
833
834 req->sv1 = newSVsv (fh_or_path);
835 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
836
837 if (SvPOK (req->sv1))
838 {
839 req->type = EIO_TRUNCATE;
840 req->ptr1 = SvPVbyte_nolen (req->sv1);
841 }
842 else
843 {
844 req->type = EIO_FTRUNCATE;
845 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
846 }
847
848 REQ_SEND;
849}
850
851void
852aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
853 ALIAS:
854 aio_chmod = EIO_CHMOD
855 aio_mkdir = EIO_MKDIR
856 PPCODE:
857{
858 dREQ;
859
860 req->int2 = mode;
861 req->sv1 = newSVsv (fh_or_path);
862
863 if (SvPOK (req->sv1))
864 {
865 req->type = ix;
866 req->ptr1 = SvPVbyte_nolen (req->sv1);
867 }
868 else
869 {
870 req->type = EIO_FCHMOD;
871 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
872 }
873
874 REQ_SEND;
875}
876
877void
878aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef)
879 PPCODE:
880{
881 dREQ;
882
883 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
884 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
885 req->sv1 = newSVsv (fh_or_path);
886
887 if (SvPOK (req->sv1))
888 {
889 req->type = EIO_CHOWN;
890 req->ptr1 = SvPVbyte_nolen (req->sv1);
891 }
892 else
893 {
894 req->type = EIO_FCHOWN;
895 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
896 }
897
898 REQ_SEND;
899}
900
901void
902aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
903 ALIAS:
904 aio_unlink = EIO_UNLINK
905 aio_rmdir = EIO_RMDIR
906 aio_readdir = EIO_READDIR
907 PPCODE:
908{
909 dREQ;
910
911 req->type = ix;
912 req->sv1 = newSVsv (pathname);
913 req->ptr1 = SvPVbyte_nolen (req->sv1);
914
915 REQ_SEND;
916}
917
918void
919aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef)
920 ALIAS:
921 aio_link = EIO_LINK
922 aio_symlink = EIO_SYMLINK
923 aio_rename = EIO_RENAME
924 PPCODE:
925{
926 dREQ;
927
928 req->type = ix;
929 req->sv1 = newSVsv (oldpath);
930 req->ptr1 = SvPVbyte_nolen (req->sv1);
931 req->sv2 = newSVsv (newpath);
932 req->ptr2 = SvPVbyte_nolen (req->sv2);
933
934 REQ_SEND;
935}
936
937void
938aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef)
939 PPCODE:
940{
941 dREQ;
942
943 req->type = EIO_MKNOD;
944 req->sv1 = newSVsv (pathname);
945 req->ptr1 = SvPVbyte_nolen (req->sv1);
946 req->int2 = (mode_t)mode;
947 req->offs = dev;
948
949 REQ_SEND;
950}
951
952void
953aio_busy (double delay, SV *callback=&PL_sv_undef)
954 PPCODE:
955{
956 dREQ;
957
958 req->type = EIO_BUSY;
959 req->nv1 = delay < 0. ? 0. : delay;
960
961 REQ_SEND;
962}
963
964void
965aio_group (SV *callback=&PL_sv_undef)
966 PROTOTYPE: ;$
967 PPCODE:
968{
969 dREQ;
970
971 req->type = EIO_GROUP;
972
973 req_submit (req);
974 XPUSHs (req_sv (req, AIO_GRP_KLASS));
975}
976
977void
978aio_nop (SV *callback=&PL_sv_undef)
979 ALIAS:
980 aio_nop = EIO_NOP
981 aio_sync = EIO_SYNC
982 PPCODE:
983{
984 dREQ;
985
986 req->type = ix;
987
988 REQ_SEND;
989}
990
991int
992aioreq_pri (int pri = 0)
993 PROTOTYPE: ;$
994 CODE:
995 RETVAL = next_pri;
996 if (items > 0)
997 {
998 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
999 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
1000 next_pri = pri;
1001 }
1002 OUTPUT:
1003 RETVAL
1004
1005void
1006aioreq_nice (int nice = 0)
1007 CODE:
1008 nice = next_pri - nice;
1009 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
1010 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1011 next_pri = nice;
1012
1013void
1014flush ()
1015 PROTOTYPE:
1016 CODE:
1017 while (eio_nreqs ())
363 { 1018 {
364 poll_wait (); 1019 poll_wait ();
365 poll_cb (); 1020 poll_cb ();
366 } 1021 }
367}
368 1022
369int 1023int
370max_outstanding(nreqs)
371 int nreqs
372 PROTOTYPE: $
373 CODE:
374 RETVAL = max_outstanding;
375 max_outstanding = nreqs;
376
377void
378aio_open(pathname,flags,mode,callback=&PL_sv_undef)
379 SV * pathname
380 int flags
381 int mode
382 SV * callback
383 PROTOTYPE: $$$;$
384 CODE:
385{
386 aio_req req;
387
388 Newz (0, req, 1, aio_cb);
389
390 if (!req)
391 croak ("out of memory during aio_req allocation");
392
393 req->type = REQ_OPEN;
394 req->data = newSVsv (pathname);
395 req->dataptr = SvPV_nolen (req->data);
396 req->fd = flags;
397 req->mode = mode;
398 req->callback = SvREFCNT_inc (callback);
399
400 send_req (req);
401}
402
403void
404aio_close(fh,callback=&PL_sv_undef)
405 SV * fh
406 SV * callback
407 PROTOTYPE: $;$
408 ALIAS:
409 aio_close = REQ_CLOSE
410 aio_fsync = REQ_FSYNC
411 aio_fdatasync = REQ_FDATASYNC
412 CODE:
413{
414 aio_req req;
415
416 Newz (0, req, 1, aio_cb);
417
418 if (!req)
419 croak ("out of memory during aio_req allocation");
420
421 req->type = ix;
422 req->fh = newSVsv (fh);
423 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
424 req->callback = SvREFCNT_inc (callback);
425
426 send_req (req);
427}
428
429void
430aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
431 SV * fh
432 UV offset
433 IV length
434 SV * data
435 IV dataoffset
436 SV * callback
437 ALIAS:
438 aio_read = REQ_READ
439 aio_write = REQ_WRITE
440 PROTOTYPE: $$$$$;$
441 CODE:
442{
443 aio_req req;
444 STRLEN svlen;
445 char *svptr = SvPV (data, svlen);
446
447 SvUPGRADE (data, SVt_PV);
448 SvPOK_on (data);
449
450 if (dataoffset < 0)
451 dataoffset += svlen;
452
453 if (dataoffset < 0 || dataoffset > svlen)
454 croak ("data offset outside of string");
455
456 if (ix == REQ_WRITE)
457 {
458 /* write: check length and adjust. */
459 if (length < 0 || length + dataoffset > svlen)
460 length = svlen - dataoffset;
461 }
462 else
463 {
464 /* read: grow scalar as necessary */
465 svptr = SvGROW (data, length + dataoffset);
466 }
467
468 if (length < 0)
469 croak ("length must not be negative");
470
471 Newz (0, req, 1, aio_cb);
472
473 if (!req)
474 croak ("out of memory during aio_req allocation");
475
476 req->type = ix;
477 req->fh = newSVsv (fh);
478 req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
479 : IoOFP (sv_2io (fh)));
480 req->offset = offset;
481 req->length = length;
482 req->data = SvREFCNT_inc (data);
483 req->dataptr = (char *)svptr + dataoffset;
484 req->callback = SvREFCNT_inc (callback);
485
486 send_req (req);
487}
488
489void
490aio_readahead(fh,offset,length,callback=&PL_sv_undef)
491 SV * fh
492 UV offset
493 IV length
494 SV * callback
495 PROTOTYPE: $$$;$
496 CODE:
497{
498 aio_req req;
499
500 if (length < 0)
501 croak ("length must not be negative");
502
503 Newz (0, req, 1, aio_cb);
504
505 if (!req)
506 croak ("out of memory during aio_req allocation");
507
508 req->type = REQ_READAHEAD;
509 req->fh = newSVsv (fh);
510 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
511 req->offset = offset;
512 req->length = length;
513 req->callback = SvREFCNT_inc (callback);
514
515 send_req (req);
516}
517
518void
519aio_stat(fh_or_path,callback=&PL_sv_undef)
520 SV * fh_or_path
521 SV * callback
522 ALIAS:
523 aio_stat = REQ_STAT
524 aio_lstat = REQ_LSTAT
525 CODE:
526{
527 aio_req req;
528
529 Newz (0, req, 1, aio_cb);
530
531 if (!req)
532 croak ("out of memory during aio_req allocation");
533
534 New (0, req->statdata, 1, Stat_t);
535
536 if (!req->statdata)
537 croak ("out of memory during aio_req->statdata allocation");
538
539 if (SvPOK (fh_or_path))
540 {
541 req->type = ix;
542 req->data = newSVsv (fh_or_path);
543 req->dataptr = SvPV_nolen (req->data);
544 }
545 else
546 {
547 req->type = REQ_FSTAT;
548 req->fh = newSVsv (fh_or_path);
549 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
550 }
551
552 req->callback = SvREFCNT_inc (callback);
553
554 send_req (req);
555}
556
557void
558aio_unlink(pathname,callback=&PL_sv_undef)
559 SV * pathname
560 SV * callback
561 CODE:
562{
563 aio_req req;
564
565 Newz (0, req, 1, aio_cb);
566
567 if (!req)
568 croak ("out of memory during aio_req allocation");
569
570 req->type = REQ_UNLINK;
571 req->data = newSVsv (pathname);
572 req->dataptr = SvPV_nolen (req->data);
573 req->callback = SvREFCNT_inc (callback);
574
575 send_req (req);
576}
577
578void
579flush()
580 PROTOTYPE:
581 CODE:
582 while (nreqs)
583 {
584 poll_wait ();
585 poll_cb ();
586 }
587
588void
589poll() 1024poll()
590 PROTOTYPE: 1025 PROTOTYPE:
591 CODE: 1026 CODE:
592 if (nreqs)
593 {
594 poll_wait (); 1027 poll_wait ();
595 poll_cb (); 1028 RETVAL = poll_cb ();
596 } 1029 OUTPUT:
1030 RETVAL
597 1031
598int 1032int
599poll_fileno() 1033poll_fileno()
600 PROTOTYPE: 1034 PROTOTYPE:
601 CODE: 1035 CODE:
… …
613 1047
614void 1048void
615poll_wait() 1049poll_wait()
616 PROTOTYPE: 1050 PROTOTYPE:
617 CODE: 1051 CODE:
618 if (nreqs)
619 poll_wait (); 1052 poll_wait ();
620 1053
621int 1054int
622nreqs() 1055nreqs()
623 PROTOTYPE: 1056 PROTOTYPE:
624 CODE: 1057 CODE:
625 RETVAL = nreqs; 1058 RETVAL = eio_nreqs ();
626 OUTPUT: 1059 OUTPUT:
627 RETVAL 1060 RETVAL
628 1061
1062int
1063nready()
1064 PROTOTYPE:
1065 CODE:
1066 RETVAL = eio_nready ();
1067 OUTPUT:
1068 RETVAL
1069
1070int
1071npending()
1072 PROTOTYPE:
1073 CODE:
1074 RETVAL = eio_npending ();
1075 OUTPUT:
1076 RETVAL
1077
1078int
1079nthreads()
1080 PROTOTYPE:
1081 CODE:
1082 RETVAL = eio_nthreads ();
1083 OUTPUT:
1084 RETVAL
1085
1086void _on_next_submit (SV *cb)
1087 CODE:
1088 SvREFCNT_dec (on_next_submit);
1089 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1090
1091PROTOTYPES: DISABLE
1092
1093MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1094
1095void
1096cancel (aio_req_ornot req)
1097 CODE:
1098 eio_cancel (req);
1099
1100void
1101cb (aio_req_ornot req, SV *callback=&PL_sv_undef)
1102 PPCODE:
1103{
1104 if (GIMME_V != G_VOID)
1105 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1106
1107 if (items > 1)
1108 {
1109 SV *cb_cv = get_cb (callback);
1110
1111 SvREFCNT_dec (req->callback);
1112 req->callback = SvREFCNT_inc (cb_cv);
1113 }
1114}
1115
1116MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1117
1118void
1119add (aio_req grp, ...)
1120 PPCODE:
1121{
1122 int i;
1123
1124 if (grp->int1 == 2)
1125 croak ("cannot add requests to IO::AIO::GRP after the group finished");
1126
1127 for (i = 1; i < items; ++i )
1128 {
1129 aio_req req;
1130
1131 if (GIMME_V != G_VOID)
1132 XPUSHs (sv_2mortal (newSVsv (ST (i))));
1133
1134 req = SvAIO_REQ (ST (i));
1135
1136 if (req)
1137 eio_grp_add (grp, req);
1138 }
1139}
1140
1141void
1142cancel_subs (aio_req_ornot req)
1143 CODE:
1144 req_cancel_subs (req);
1145
1146void
1147result (aio_req grp, ...)
1148 CODE:
1149{
1150 int i;
1151 AV *av;
1152
1153 grp->errorno = errno;
1154
1155 av = newAV ();
1156
1157 for (i = 1; i < items; ++i )
1158 av_push (av, newSVsv (ST (i)));
1159
1160 SvREFCNT_dec (grp->sv1);
1161 grp->sv1 = (SV *)av;
1162}
1163
1164void
1165errno (aio_req grp, int errorno = errno)
1166 CODE:
1167 grp->errorno = errorno;
1168
1169void
1170limit (aio_req grp, int limit)
1171 CODE:
1172 eio_grp_limit (grp, limit);
1173
1174void
1175feed (aio_req grp, SV *callback=&PL_sv_undef)
1176 CODE:
1177{
1178 SvREFCNT_dec (grp->sv2);
1179 grp->sv2 = newSVsv (callback);
1180 grp->feed = aio_grp_feed;
1181
1182 if (grp->int2 <= 0)
1183 grp->int2 = 2;
1184
1185 eio_grp_limit (grp, grp->int2);
1186}
1187

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