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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.37 by root, Tue Aug 23 12:37:19 2005 UTC vs.
Revision 1.45 by root, Sun Oct 22 00:19:05 2006 UTC

… …
8#include "autoconf/config.h" 8#include "autoconf/config.h"
9 9
10#include <pthread.h> 10#include <pthread.h>
11 11
12#include <stddef.h> 12#include <stddef.h>
13#include <errno.h>
14#include <sys/time.h>
15#include <sys/select.h>
13#include <sys/types.h> 16#include <sys/types.h>
14#include <sys/stat.h> 17#include <sys/stat.h>
15#include <limits.h> 18#include <limits.h>
16#include <unistd.h> 19#include <unistd.h>
17#include <fcntl.h> 20#include <fcntl.h>
… …
31# else 34# else
32# error sendfile support requested but not available 35# error sendfile support requested but not available
33# endif 36# endif
34#endif 37#endif
35 38
39/* used for struct dirent, AIX doesn't provide it */
40#ifndef NAME_MAX
41# define NAME_MAX 4096
42#endif
43
36#if __ia64 44#if __ia64
37# define STACKSIZE 65536 45# define STACKSIZE 65536
38#else 46#else
39# define STACKSIZE 8192 47# define STACKSIZE 8192
40#endif 48#endif
… …
44 REQ_OPEN, REQ_CLOSE, 52 REQ_OPEN, REQ_CLOSE,
45 REQ_READ, REQ_WRITE, REQ_READAHEAD, 53 REQ_READ, REQ_WRITE, REQ_READAHEAD,
46 REQ_SENDFILE, 54 REQ_SENDFILE,
47 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 55 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
48 REQ_FSYNC, REQ_FDATASYNC, 56 REQ_FSYNC, REQ_FDATASYNC,
49 REQ_UNLINK, REQ_RMDIR, 57 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
50 REQ_READDIR, 58 REQ_READDIR,
51 REQ_SYMLINK, 59 REQ_LINK, REQ_SYMLINK,
60 REQ_SLEEP,
61 REQ_GROUP,
52}; 62};
53 63
64#define AIO_REQ_KLASS "IO::AIO::REQ"
65#define AIO_GRP_KLASS "IO::AIO::GRP"
66
54typedef struct aio_cb { 67typedef struct aio_cb
68{
69 struct aio_cb *grp, *grp_prev, *grp_next;
70
55 struct aio_cb *volatile next; 71 struct aio_cb *volatile next;
56 72
57 int type; 73 SV *self; /* the perl counterpart of this request, if any */
58 74
59 /* should receive a cleanup, with unions */ 75 SV *data, *callback;
60 int fd, fd2; 76 SV *fh, *fh2;
77 void *dataptr, *data2ptr;
78 Stat_t *statdata;
61 off_t offset; 79 off_t offset;
62 size_t length; 80 size_t length;
63 ssize_t result; 81 ssize_t result;
82
83 int type;
84 int fd, fd2;
85 int errorno;
86 STRLEN dataoffset;
64 mode_t mode; /* open */ 87 mode_t mode; /* open */
65 int errorno; 88 unsigned char cancelled;
66 SV *data, *callback;
67 SV *fh, *fh2;
68 void *dataptr, *data2ptr;
69 STRLEN dataoffset;
70
71 Stat_t *statdata;
72} aio_cb; 89} aio_cb;
73 90
74typedef aio_cb *aio_req; 91typedef aio_cb *aio_req;
92typedef aio_cb *aio_req_ornot;
93typedef aio_cb *aio_group;
75 94
76static int started, wanted; 95static int started, wanted;
77static volatile int nreqs; 96static volatile int nreqs;
78static int max_outstanding = 1<<30; 97static int max_outstanding = 1<<30;
79static int respipe [2]; 98static int respipe [2];
… …
83static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 102static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
84 103
85static volatile aio_req reqs, reqe; /* queue start, queue end */ 104static volatile aio_req reqs, reqe; /* queue start, queue end */
86static volatile aio_req ress, rese; /* queue start, queue end */ 105static volatile aio_req ress, rese; /* queue start, queue end */
87 106
88static void free_req (aio_req req) 107static void req_free (aio_req req);
89{
90 if (req->data)
91 SvREFCNT_dec (req->data);
92 108
93 if (req->fh) 109/* must be called at most once */
94 SvREFCNT_dec (req->fh); 110static SV *req_sv (aio_req req, const char *klass)
111{
112 req->self = (SV *)newHV ();
113 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
95 114
96 if (req->fh2) 115 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
97 SvREFCNT_dec (req->fh2);
98
99 if (req->statdata)
100 Safefree (req->statdata);
101
102 if (req->callback)
103 SvREFCNT_dec (req->callback);
104
105 if (req->type == REQ_READDIR && req->result >= 0)
106 free (req->data2ptr);
107
108 Safefree (req);
109} 116}
110 117
111static void 118static aio_req SvAIO_REQ (SV *sv)
112poll_wait () 119{
120 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))
121 croak ("object of class " AIO_REQ_KLASS " expected");
122
123 MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
124
125 return mg ? (aio_req)mg->mg_ptr : 0;
126}
127
128static void poll_wait ()
113{ 129{
114 if (nreqs && !ress) 130 if (nreqs && !ress)
115 { 131 {
116 fd_set rfd; 132 fd_set rfd;
117 FD_ZERO(&rfd); 133 FD_ZERO(&rfd);
… …
119 135
120 select (respipe [0] + 1, &rfd, 0, 0, 0); 136 select (respipe [0] + 1, &rfd, 0, 0, 0);
121 } 137 }
122} 138}
123 139
124static int 140static void req_invoke (aio_req req)
125poll_cb () 141{
142 dSP;
143 int errorno = errno;
144
145 if (req->cancelled || !SvOK (req->callback))
146 return;
147
148 errno = req->errorno;
149
150 ENTER;
151 PUSHMARK (SP);
152
153 switch (req->type)
154 {
155 case REQ_READDIR:
156 {
157 SV *rv = &PL_sv_undef;
158
159 if (req->result >= 0)
160 {
161 char *buf = req->data2ptr;
162 AV *av = newAV ();
163
164 while (req->result)
165 {
166 SV *sv = newSVpv (buf, 0);
167
168 av_push (av, sv);
169 buf += SvCUR (sv) + 1;
170 req->result--;
171 }
172
173 rv = sv_2mortal (newRV_noinc ((SV *)av));
174 }
175
176 XPUSHs (rv);
177 }
178 break;
179
180 case REQ_OPEN:
181 {
182 /* convert fd to fh */
183 SV *fh;
184
185 XPUSHs (sv_2mortal (newSViv (req->result)));
186 PUTBACK;
187 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
188 SPAGAIN;
189
190 fh = SvREFCNT_inc (POPs);
191
192 PUSHMARK (SP);
193 XPUSHs (sv_2mortal (fh));
194 }
195 break;
196
197 case REQ_SLEEP:
198 case REQ_GROUP:
199 break;
200
201 default:
202 XPUSHs (sv_2mortal (newSViv (req->result)));
203 break;
204 }
205
206
207 PUTBACK;
208 call_sv (req->callback, G_VOID | G_EVAL);
209 SPAGAIN;
210
211 if (SvTRUE (ERRSV))
212 {
213 req_free (req);
214 croak (0);
215 }
216
217 LEAVE;
218
219 errno = errorno;
220}
221
222static void req_free (aio_req req)
223{
224 if (req->grp)
225 {
226 aio_req grp = req->grp;
227
228 /* unlink request */
229 req->grp_next->grp_prev = req->grp_prev;
230 req->grp_prev->grp_next = req->grp_next;
231
232 if (grp->grp_next == grp)
233 {
234 req_invoke (grp);
235 req_free (grp);
236 }
237 }
238
239 if (req->self)
240 {
241 sv_unmagic (req->self, PERL_MAGIC_ext);
242 SvREFCNT_dec (req->self);
243 }
244
245 if (req->data)
246 SvREFCNT_dec (req->data);
247
248 if (req->fh)
249 SvREFCNT_dec (req->fh);
250
251 if (req->fh2)
252 SvREFCNT_dec (req->fh2);
253
254 if (req->statdata)
255 Safefree (req->statdata);
256
257 if (req->callback)
258 SvREFCNT_dec (req->callback);
259
260 if (req->type == REQ_READDIR && req->result >= 0)
261 free (req->data2ptr);
262
263 Safefree (req);
264}
265
266static void req_cancel (aio_req req)
267{
268 req->cancelled = 1;
269
270 if (req->type == REQ_GROUP)
271 {
272 aio_req sub;
273
274 for (sub = req->grp_next; sub != req; sub = sub->grp_next)
275 req_cancel (sub);
276 }
277}
278
279static int poll_cb ()
126{ 280{
127 dSP; 281 dSP;
128 int count = 0; 282 int count = 0;
129 int do_croak = 0; 283 int do_croak = 0;
130 aio_req req; 284 aio_req req;
… …
156 310
157 nreqs--; 311 nreqs--;
158 312
159 if (req->type == REQ_QUIT) 313 if (req->type == REQ_QUIT)
160 started--; 314 started--;
315 else if (req->type == REQ_GROUP && req->grp_next != req)
316 continue;
161 else 317 else
162 { 318 {
163 int errorno = errno;
164 errno = req->errorno;
165
166 if (req->type == REQ_READ) 319 if (req->type == REQ_READ)
167 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); 320 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
168 321
169 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 322 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
170 SvREADONLY_off (req->data); 323 SvREADONLY_off (req->data);
… …
174 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 327 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175 PL_laststatval = req->result; 328 PL_laststatval = req->result;
176 PL_statcache = *(req->statdata); 329 PL_statcache = *(req->statdata);
177 } 330 }
178 331
179 ENTER; 332 req_invoke (req);
180 PUSHMARK (SP);
181 333
182 if (req->type == REQ_READDIR)
183 {
184 SV *rv = &PL_sv_undef;
185
186 if (req->result >= 0)
187 {
188 char *buf = req->data2ptr;
189 AV *av = newAV ();
190
191 while (req->result)
192 {
193 SV *sv = newSVpv (buf, 0);
194
195 av_push (av, sv);
196 buf += SvCUR (sv) + 1;
197 req->result--;
198 }
199
200 rv = sv_2mortal (newRV_noinc ((SV *)av));
201 }
202
203 XPUSHs (rv);
204 }
205 else
206 {
207 XPUSHs (sv_2mortal (newSViv (req->result)));
208
209 if (req->type == REQ_OPEN)
210 {
211 /* convert fd to fh */
212 SV *fh;
213
214 PUTBACK;
215 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
216 SPAGAIN;
217
218 fh = SvREFCNT_inc (POPs);
219
220 PUSHMARK (SP);
221 XPUSHs (sv_2mortal (fh));
222 }
223 }
224
225 if (SvOK (req->callback))
226 {
227 PUTBACK;
228 call_sv (req->callback, G_VOID | G_EVAL);
229 SPAGAIN;
230
231 if (SvTRUE (ERRSV))
232 {
233 free_req (req);
234 croak (0);
235 }
236 }
237
238 LEAVE;
239
240 errno = errorno;
241 count++; 334 count++;
242 } 335 }
243 336
244 free_req (req); 337 req_free (req);
245 } 338 }
246 339
247 return count; 340 return count;
248} 341}
249 342
250static void *aio_proc(void *arg); 343static void *aio_proc(void *arg);
251 344
252static void
253start_thread (void) 345static void start_thread (void)
254{ 346{
255 sigset_t fullsigset, oldsigset; 347 sigset_t fullsigset, oldsigset;
256 pthread_t tid; 348 pthread_t tid;
257 pthread_attr_t attr; 349 pthread_attr_t attr;
258 350
… …
267 started++; 359 started++;
268 360
269 sigprocmask (SIG_SETMASK, &oldsigset, 0); 361 sigprocmask (SIG_SETMASK, &oldsigset, 0);
270} 362}
271 363
272static void 364static void req_send (aio_req req)
273send_req (aio_req req)
274{ 365{
275 while (started < wanted && nreqs >= started) 366 while (started < wanted && nreqs >= started)
276 start_thread (); 367 start_thread ();
277 368
278 nreqs++; 369 nreqs++;
… …
302 393
303 poll_wait (); 394 poll_wait ();
304 } 395 }
305} 396}
306 397
307static void 398static void end_thread (void)
308end_thread (void)
309{ 399{
310 aio_req req; 400 aio_req req;
311 Newz (0, req, 1, aio_cb); 401 Newz (0, req, 1, aio_cb);
312 req->type = REQ_QUIT; 402 req->type = REQ_QUIT;
313 403
314 send_req (req); 404 req_send (req);
315} 405}
316 406
317static void min_parallel (int nthreads) 407static void min_parallel (int nthreads)
318{ 408{
319 if (wanted < nthreads) 409 if (wanted < nthreads)
… …
364 * normal read/write by using a mutex. slows down execution a lot, 454 * normal read/write by using a mutex. slows down execution a lot,
365 * but that's your problem, not mine. 455 * but that's your problem, not mine.
366 */ 456 */
367static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 457static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368 458
369static ssize_t 459static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
370pread (int fd, void *buf, size_t count, off_t offset)
371{ 460{
372 ssize_t res; 461 ssize_t res;
373 off_t ooffset; 462 off_t ooffset;
374 463
375 pthread_mutex_lock (&preadwritelock); 464 pthread_mutex_lock (&preadwritelock);
… …
380 pthread_mutex_unlock (&preadwritelock); 469 pthread_mutex_unlock (&preadwritelock);
381 470
382 return res; 471 return res;
383} 472}
384 473
385static ssize_t
386pwrite (int fd, void *buf, size_t count, off_t offset) 474static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
387{ 475{
388 ssize_t res; 476 ssize_t res;
389 off_t ooffset; 477 off_t ooffset;
390 478
391 pthread_mutex_lock (&preadwritelock); 479 pthread_mutex_lock (&preadwritelock);
… …
404#endif 492#endif
405 493
406#if !HAVE_READAHEAD 494#if !HAVE_READAHEAD
407# define readahead aio_readahead 495# define readahead aio_readahead
408 496
409static ssize_t
410readahead (int fd, off_t offset, size_t count) 497static ssize_t readahead (int fd, off_t offset, size_t count)
411{ 498{
412 char readahead_buf[4096]; 499 char readahead_buf[4096];
413 500
414 while (count > 0) 501 while (count > 0)
415 { 502 {
… …
427#if !HAVE_READDIR_R 514#if !HAVE_READDIR_R
428# define readdir_r aio_readdir_r 515# define readdir_r aio_readdir_r
429 516
430static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 517static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431 518
432static int
433readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 519static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
434{ 520{
435 struct dirent *e; 521 struct dirent *e;
436 int errorno; 522 int errorno;
437 523
438 pthread_mutex_lock (&readdirlock); 524 pthread_mutex_lock (&readdirlock);
… …
454 return e ? 0 : -1; 540 return e ? 0 : -1;
455} 541}
456#endif 542#endif
457 543
458/* sendfile always needs emulation */ 544/* sendfile always needs emulation */
459static ssize_t
460sendfile_ (int ofd, int ifd, off_t offset, size_t count) 545static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
461{ 546{
462 ssize_t res; 547 ssize_t res;
463 548
464 if (!count) 549 if (!count)
465 return 0; 550 return 0;
… …
499 584
500 if (res < 0 && sbytes) 585 if (res < 0 && sbytes)
501 res = sbytes; 586 res = sbytes;
502 } 587 }
503 588
589# endif
504# else 590#else
505 res = -1; 591 res = -1;
506 errno = ENOSYS; 592 errno = ENOSYS;
507# endif
508#endif 593#endif
509 594
510 if (res < 0 595 if (res < 0
511 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK 596 && (errno == ENOSYS || errno == EINVAL || errno == ENOTSOCK
512#if __solaris 597#if __solaris
… …
517 { 602 {
518 /* emulate sendfile. this is a major pain in the ass */ 603 /* emulate sendfile. this is a major pain in the ass */
519 char buf[4096]; 604 char buf[4096];
520 res = 0; 605 res = 0;
521 606
522 for (;;) 607 while (count)
523 { 608 {
524 ssize_t cnt; 609 ssize_t cnt;
525 610
526 cnt = pread (ifd, buf, 4096, offset); 611 cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset);
527 612
528 if (cnt <= 0) 613 if (cnt <= 0)
529 { 614 {
530 if (cnt && !res) res = -1; 615 if (cnt && !res) res = -1;
531 break; 616 break;
… …
539 break; 624 break;
540 } 625 }
541 626
542 offset += cnt; 627 offset += cnt;
543 res += cnt; 628 res += cnt;
629 count -= cnt;
544 } 630 }
545 } 631 }
546 632
547 return res; 633 return res;
548} 634}
549 635
550/* read a full directory */ 636/* read a full directory */
551static int
552scandir_ (const char *path, void **namesp) 637static int scandir_ (const char *path, void **namesp)
553{ 638{
554 DIR *dirp = opendir (path); 639 DIR *dirp = opendir (path);
555 union 640 union
556 { 641 {
557 struct dirent d; 642 struct dirent d;
… …
611 return res; 696 return res;
612} 697}
613 698
614/*****************************************************************************/ 699/*****************************************************************************/
615 700
616static void *
617aio_proc (void *thr_arg) 701static void *aio_proc (void *thr_arg)
618{ 702{
619 aio_req req; 703 aio_req req;
620 int type; 704 int type;
621 705
622 do 706 do
… …
641 725
642 pthread_mutex_unlock (&reqlock); 726 pthread_mutex_unlock (&reqlock);
643 727
644 errno = 0; /* strictly unnecessary */ 728 errno = 0; /* strictly unnecessary */
645 729
646 type = req->type; 730 if (!req->cancelled)
647
648 switch (type) 731 switch (req->type)
649 { 732 {
650 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 733 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
651 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 734 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
652 735
653 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; 736 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
654 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; 737 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
655 738
656 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 739 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
657 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 740 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
658 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 741 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
659 742
660 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 743 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
661 case REQ_CLOSE: req->result = close (req->fd); break; 744 case REQ_CLOSE: req->result = close (req->fd); break;
662 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 745 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
663 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 746 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
747 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
748 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
664 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 749 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
665 750
666 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 751 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
667 case REQ_FSYNC: req->result = fsync (req->fd); break; 752 case REQ_FSYNC: req->result = fsync (req->fd); break;
668 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 753 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
669 754
755 case REQ_SLEEP:
756 {
757 struct timeval tv;
758
759 tv.tv_sec = req->fd;
760 tv.tv_usec = req->fd2;
761
762 req->result = select (0, 0, 0, 0, &tv);
763 }
764
670 case REQ_QUIT: 765 case REQ_QUIT:
671 break; 766 break;
672 767
673 default: 768 default:
674 req->result = ENOSYS; 769 req->result = ENOSYS;
675 break; 770 break;
676 } 771 }
677 772
678 req->errorno = errno; 773 req->errorno = errno;
679 774
680 pthread_mutex_lock (&reslock); 775 pthread_mutex_lock (&reslock);
681 776
… …
735 830
736 while (reqs) 831 while (reqs)
737 { 832 {
738 prv = reqs; 833 prv = reqs;
739 reqs = prv->next; 834 reqs = prv->next;
740 free_req (prv); 835 req_free (prv);
741 } 836 }
742 837
743 reqs = reqe = 0; 838 reqs = reqe = 0;
744 839
745 while (ress) 840 while (ress)
746 { 841 {
747 prv = ress; 842 prv = ress;
748 ress = prv->next; 843 ress = prv->next;
749 free_req (prv); 844 req_free (prv);
750 } 845 }
751 846
752 ress = rese = 0; 847 ress = rese = 0;
753 848
754 close (respipe [0]); 849 close (respipe [0]);
… …
760 855
761#define dREQ \ 856#define dREQ \
762 aio_req req; \ 857 aio_req req; \
763 \ 858 \
764 if (SvOK (callback) && !SvROK (callback)) \ 859 if (SvOK (callback) && !SvROK (callback)) \
765 croak ("clalback must be undef or of reference type"); \ 860 croak ("callback must be undef or of reference type"); \
766 \ 861 \
767 Newz (0, req, 1, aio_cb); \ 862 Newz (0, req, 1, aio_cb); \
768 if (!req) \ 863 if (!req) \
769 croak ("out of memory during aio_req allocation"); \ 864 croak ("out of memory during aio_req allocation"); \
770 \ 865 \
771 req->callback = newSVsv (callback); 866 req->callback = newSVsv (callback)
867
868#define REQ_SEND \
869 req_send (req); \
870 \
871 if (GIMME_V != G_VOID) \
872 XPUSHs (req_sv (req, AIO_REQ_KLASS));
772 873
773MODULE = IO::AIO PACKAGE = IO::AIO 874MODULE = IO::AIO PACKAGE = IO::AIO
774 875
775PROTOTYPES: ENABLE 876PROTOTYPES: ENABLE
776 877
777BOOT: 878BOOT:
778{ 879{
880 HV *stash = gv_stashpv ("IO::AIO", 1);
881 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
882 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
883 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
884
779 create_pipe (); 885 create_pipe ();
780 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 886 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
781} 887}
782 888
783void 889void
784min_parallel(nthreads) 890min_parallel (nthreads)
785 int nthreads 891 int nthreads
786 PROTOTYPE: $ 892 PROTOTYPE: $
787 893
788void 894void
789max_parallel(nthreads) 895max_parallel (nthreads)
790 int nthreads 896 int nthreads
791 PROTOTYPE: $ 897 PROTOTYPE: $
792 898
793int 899int
794max_outstanding(nreqs) 900max_outstanding (nreqs)
795 int nreqs 901 int nreqs
796 PROTOTYPE: $ 902 PROTOTYPE: $
797 CODE: 903 CODE:
798 RETVAL = max_outstanding; 904 RETVAL = max_outstanding;
799 max_outstanding = nreqs; 905 max_outstanding = nreqs;
800 906
801void 907void
802aio_open(pathname,flags,mode,callback=&PL_sv_undef) 908aio_open (pathname,flags,mode,callback=&PL_sv_undef)
803 SV * pathname 909 SV * pathname
804 int flags 910 int flags
805 int mode 911 int mode
806 SV * callback 912 SV * callback
807 PROTOTYPE: $$$;$ 913 PROTOTYPE: $$$;$
808 CODE: 914 PPCODE:
809{ 915{
810 dREQ; 916 dREQ;
811 917
812 req->type = REQ_OPEN; 918 req->type = REQ_OPEN;
813 req->data = newSVsv (pathname); 919 req->data = newSVsv (pathname);
814 req->dataptr = SvPVbyte_nolen (req->data); 920 req->dataptr = SvPVbyte_nolen (req->data);
815 req->fd = flags; 921 req->fd = flags;
816 req->mode = mode; 922 req->mode = mode;
817 923
818 send_req (req); 924 REQ_SEND;
819} 925}
820 926
821void 927void
822aio_close(fh,callback=&PL_sv_undef) 928aio_close (fh,callback=&PL_sv_undef)
823 SV * fh 929 SV * fh
824 SV * callback 930 SV * callback
825 PROTOTYPE: $;$ 931 PROTOTYPE: $;$
826 ALIAS: 932 ALIAS:
827 aio_close = REQ_CLOSE 933 aio_close = REQ_CLOSE
828 aio_fsync = REQ_FSYNC 934 aio_fsync = REQ_FSYNC
829 aio_fdatasync = REQ_FDATASYNC 935 aio_fdatasync = REQ_FDATASYNC
830 CODE: 936 PPCODE:
831{ 937{
832 dREQ; 938 dREQ;
833 939
834 req->type = ix; 940 req->type = ix;
835 req->fh = newSVsv (fh); 941 req->fh = newSVsv (fh);
836 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 942 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
837 943
838 send_req (req); 944 REQ_SEND (req);
839} 945}
840 946
841void 947void
842aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 948aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
843 SV * fh 949 SV * fh
844 UV offset 950 UV offset
845 UV length 951 UV length
846 SV * data 952 SV * data
847 UV dataoffset 953 UV dataoffset
848 SV * callback 954 SV * callback
849 ALIAS: 955 ALIAS:
850 aio_read = REQ_READ 956 aio_read = REQ_READ
851 aio_write = REQ_WRITE 957 aio_write = REQ_WRITE
852 PROTOTYPE: $$$$$;$ 958 PROTOTYPE: $$$$$;$
853 CODE: 959 PPCODE:
854{ 960{
855 aio_req req; 961 aio_req req;
856 STRLEN svlen; 962 STRLEN svlen;
857 char *svptr = SvPVbyte (data, svlen); 963 char *svptr = SvPVbyte (data, svlen);
858 964
… …
896 { 1002 {
897 SvREADONLY_on (data); 1003 SvREADONLY_on (data);
898 req->data2ptr = (void *)data; 1004 req->data2ptr = (void *)data;
899 } 1005 }
900 1006
901 send_req (req); 1007 REQ_SEND;
902 } 1008 }
903} 1009}
904 1010
905void 1011void
906aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1012aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
907 SV * out_fh 1013 SV * out_fh
908 SV * in_fh 1014 SV * in_fh
909 UV in_offset 1015 UV in_offset
910 UV length 1016 UV length
911 SV * callback 1017 SV * callback
912 PROTOTYPE: $$$$;$ 1018 PROTOTYPE: $$$$;$
913 CODE: 1019 PPCODE:
914{ 1020{
915 dREQ; 1021 dREQ;
916 1022
917 req->type = REQ_SENDFILE; 1023 req->type = REQ_SENDFILE;
918 req->fh = newSVsv (out_fh); 1024 req->fh = newSVsv (out_fh);
… …
920 req->fh2 = newSVsv (in_fh); 1026 req->fh2 = newSVsv (in_fh);
921 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1027 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
922 req->offset = in_offset; 1028 req->offset = in_offset;
923 req->length = length; 1029 req->length = length;
924 1030
925 send_req (req); 1031 REQ_SEND;
926} 1032}
927 1033
928void 1034void
929aio_readahead(fh,offset,length,callback=&PL_sv_undef) 1035aio_readahead (fh,offset,length,callback=&PL_sv_undef)
930 SV * fh 1036 SV * fh
931 UV offset 1037 UV offset
932 IV length 1038 IV length
933 SV * callback 1039 SV * callback
934 PROTOTYPE: $$$;$ 1040 PROTOTYPE: $$$;$
935 CODE: 1041 PPCODE:
936{ 1042{
937 dREQ; 1043 dREQ;
938 1044
939 req->type = REQ_READAHEAD; 1045 req->type = REQ_READAHEAD;
940 req->fh = newSVsv (fh); 1046 req->fh = newSVsv (fh);
941 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1047 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
942 req->offset = offset; 1048 req->offset = offset;
943 req->length = length; 1049 req->length = length;
944 1050
945 send_req (req); 1051 REQ_SEND;
946} 1052}
947 1053
948void 1054void
949aio_stat(fh_or_path,callback=&PL_sv_undef) 1055aio_stat (fh_or_path,callback=&PL_sv_undef)
950 SV * fh_or_path 1056 SV * fh_or_path
951 SV * callback 1057 SV * callback
952 ALIAS: 1058 ALIAS:
953 aio_stat = REQ_STAT 1059 aio_stat = REQ_STAT
954 aio_lstat = REQ_LSTAT 1060 aio_lstat = REQ_LSTAT
955 CODE: 1061 PPCODE:
956{ 1062{
957 dREQ; 1063 dREQ;
958 1064
959 New (0, req->statdata, 1, Stat_t); 1065 New (0, req->statdata, 1, Stat_t);
960 if (!req->statdata) 1066 if (!req->statdata)
961 { 1067 {
962 free_req (req); 1068 req_free (req);
963 croak ("out of memory during aio_req->statdata allocation"); 1069 croak ("out of memory during aio_req->statdata allocation");
964 } 1070 }
965 1071
966 if (SvPOK (fh_or_path)) 1072 if (SvPOK (fh_or_path))
967 { 1073 {
… …
974 req->type = REQ_FSTAT; 1080 req->type = REQ_FSTAT;
975 req->fh = newSVsv (fh_or_path); 1081 req->fh = newSVsv (fh_or_path);
976 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1082 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
977 } 1083 }
978 1084
979 send_req (req); 1085 REQ_SEND;
980} 1086}
981 1087
982void 1088void
983aio_unlink(pathname,callback=&PL_sv_undef) 1089aio_unlink (pathname,callback=&PL_sv_undef)
984 SV * pathname 1090 SV * pathname
985 SV * callback 1091 SV * callback
986 ALIAS: 1092 ALIAS:
987 aio_unlink = REQ_UNLINK 1093 aio_unlink = REQ_UNLINK
988 aio_rmdir = REQ_RMDIR 1094 aio_rmdir = REQ_RMDIR
1095 aio_readdir = REQ_READDIR
989 CODE: 1096 PPCODE:
990{ 1097{
991 dREQ; 1098 dREQ;
992 1099
993 req->type = ix; 1100 req->type = ix;
994 req->data = newSVsv (pathname); 1101 req->data = newSVsv (pathname);
995 req->dataptr = SvPVbyte_nolen (req->data); 1102 req->dataptr = SvPVbyte_nolen (req->data);
996 1103
997 send_req (req); 1104 REQ_SEND;
998} 1105}
999 1106
1000void 1107void
1001aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1108aio_link (oldpath,newpath,callback=&PL_sv_undef)
1002 SV * oldpath 1109 SV * oldpath
1003 SV * newpath 1110 SV * newpath
1004 SV * callback 1111 SV * callback
1112 ALIAS:
1113 aio_link = REQ_LINK
1114 aio_symlink = REQ_SYMLINK
1115 aio_rename = REQ_RENAME
1005 CODE: 1116 PPCODE:
1006{ 1117{
1007 dREQ; 1118 dREQ;
1008 1119
1009 req->type = REQ_SYMLINK; 1120 req->type = ix;
1010 req->fh = newSVsv (oldpath); 1121 req->fh = newSVsv (oldpath);
1011 req->data2ptr = SvPVbyte_nolen (req->fh); 1122 req->data2ptr = SvPVbyte_nolen (req->fh);
1012 req->data = newSVsv (newpath); 1123 req->data = newSVsv (newpath);
1013 req->dataptr = SvPVbyte_nolen (req->data); 1124 req->dataptr = SvPVbyte_nolen (req->data);
1014 1125
1015 send_req (req); 1126 REQ_SEND;
1016} 1127}
1017 1128
1018void 1129void
1019aio_readdir(pathname,callback=&PL_sv_undef) 1130aio_sleep (delay,callback=&PL_sv_undef)
1020 SV * pathname 1131 double delay
1021 SV * callback 1132 SV * callback
1022 CODE: 1133 PPCODE:
1023{ 1134{
1024 dREQ; 1135 dREQ;
1025 1136
1026 req->type = REQ_READDIR; 1137 req->type = REQ_SLEEP;
1027 req->data = newSVsv (pathname); 1138 req->fd = delay < 0. ? 0 : delay;
1028 req->dataptr = SvPVbyte_nolen (req->data); 1139 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1029
1030 send_req (req);
1031}
1032 1140
1141 REQ_SEND;
1142}
1143
1033void 1144void
1145aio_group (callback=&PL_sv_undef)
1146 SV * callback
1147 PROTOTYPE: ;&
1148 PPCODE:
1149{
1150 dREQ;
1151 req->type = REQ_GROUP;
1152 req->grp_next = req;
1153 req->grp_prev = req;
1154
1155 req_send (req);
1156 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1157}
1158
1159void
1034flush() 1160flush ()
1035 PROTOTYPE: 1161 PROTOTYPE:
1036 CODE: 1162 CODE:
1037 while (nreqs) 1163 while (nreqs)
1038 { 1164 {
1039 poll_wait (); 1165 poll_wait ();
… …
1079 CODE: 1205 CODE:
1080 RETVAL = nreqs; 1206 RETVAL = nreqs;
1081 OUTPUT: 1207 OUTPUT:
1082 RETVAL 1208 RETVAL
1083 1209
1210MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1211
1212void
1213cancel (aio_req_ornot req)
1214 PROTOTYPE:
1215 CODE:
1216 req_cancel (req);
1217
1218MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1219
1220void
1221add (aio_req grp, ...)
1222 PROTOTYPE: $;@
1223 PPCODE:
1224{
1225 int i;
1226
1227 for (i = 1; i < items; ++i )
1228 {
1229 aio_req req = SvAIO_REQ (ST (i));
1230
1231 req->grp_prev = grp;
1232 req->grp_next = grp->grp_next;
1233 grp->grp_next->grp_prev = req;
1234 grp->grp_next = req;
1235
1236 req->grp = grp;
1237
1238 if (GIMME_V != G_VOID)
1239 XPUSHs (sv_2mortal (newSVsv (ST (i))));
1240 }
1241}
1242

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