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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.39 by root, Mon Feb 6 23:54:12 2006 UTC vs.
Revision 1.46 by root, Sun Oct 22 00:49:29 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>
… …
49 REQ_OPEN, REQ_CLOSE, 52 REQ_OPEN, REQ_CLOSE,
50 REQ_READ, REQ_WRITE, REQ_READAHEAD, 53 REQ_READ, REQ_WRITE, REQ_READAHEAD,
51 REQ_SENDFILE, 54 REQ_SENDFILE,
52 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 55 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
53 REQ_FSYNC, REQ_FDATASYNC, 56 REQ_FSYNC, REQ_FDATASYNC,
54 REQ_UNLINK, REQ_RMDIR, 57 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
55 REQ_READDIR, 58 REQ_READDIR,
56 REQ_SYMLINK, 59 REQ_LINK, REQ_SYMLINK,
60 REQ_SLEEP,
61 REQ_GROUP,
57}; 62};
58 63
64#define AIO_REQ_KLASS "IO::AIO::REQ"
65#define AIO_GRP_KLASS "IO::AIO::GRP"
66
59typedef struct aio_cb { 67typedef struct aio_cb
68{
69 struct aio_cb *grp, *grp_prev, *grp_next;
70
60 struct aio_cb *volatile next; 71 struct aio_cb *volatile next;
61 72
62 int type; 73 SV *self; /* the perl counterpart of this request, if any */
63 74
64 /* should receive a cleanup, with unions */ 75 SV *data, *callback;
65 int fd, fd2; 76 SV *fh, *fh2;
77 void *dataptr, *data2ptr;
78 Stat_t *statdata;
66 off_t offset; 79 off_t offset;
67 size_t length; 80 size_t length;
68 ssize_t result; 81 ssize_t result;
82
83 int type;
84 int fd, fd2;
85 int errorno;
86 STRLEN dataoffset;
69 mode_t mode; /* open */ 87 mode_t mode; /* open */
70 int errorno; 88 unsigned char cancelled;
71 SV *data, *callback;
72 SV *fh, *fh2;
73 void *dataptr, *data2ptr;
74 STRLEN dataoffset;
75
76 Stat_t *statdata;
77} aio_cb; 89} aio_cb;
78 90
79typedef aio_cb *aio_req; 91typedef aio_cb *aio_req;
92typedef aio_cb *aio_req_ornot;
80 93
81static int started, wanted; 94static int started, wanted;
82static volatile int nreqs; 95static volatile int nreqs;
83static int max_outstanding = 1<<30; 96static int max_outstanding = 1<<30;
84static int respipe [2]; 97static int respipe [2];
… …
88static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 101static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
89 102
90static volatile aio_req reqs, reqe; /* queue start, queue end */ 103static volatile aio_req reqs, reqe; /* queue start, queue end */
91static volatile aio_req ress, rese; /* queue start, queue end */ 104static volatile aio_req ress, rese; /* queue start, queue end */
92 105
93static void free_req (aio_req req) 106static void req_free (aio_req req);
94{
95 if (req->data)
96 SvREFCNT_dec (req->data);
97 107
98 if (req->fh) 108/* must be called at most once */
99 SvREFCNT_dec (req->fh); 109static SV *req_sv (aio_req req, const char *klass)
110{
111 req->self = (SV *)newHV ();
112 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
100 113
101 if (req->fh2) 114 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
102 SvREFCNT_dec (req->fh2);
103
104 if (req->statdata)
105 Safefree (req->statdata);
106
107 if (req->callback)
108 SvREFCNT_dec (req->callback);
109
110 if (req->type == REQ_READDIR && req->result >= 0)
111 free (req->data2ptr);
112
113 Safefree (req);
114} 115}
115 116
116static void 117static aio_req SvAIO_REQ (SV *sv)
117poll_wait () 118{
119 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv))
120 croak ("object of class " AIO_REQ_KLASS " expected");
121
122 MAGIC *mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
123
124 return mg ? (aio_req)mg->mg_ptr : 0;
125}
126
127static void poll_wait ()
118{ 128{
119 if (nreqs && !ress) 129 if (nreqs && !ress)
120 { 130 {
121 fd_set rfd; 131 fd_set rfd;
122 FD_ZERO(&rfd); 132 FD_ZERO(&rfd);
… …
124 134
125 select (respipe [0] + 1, &rfd, 0, 0, 0); 135 select (respipe [0] + 1, &rfd, 0, 0, 0);
126 } 136 }
127} 137}
128 138
129static int 139static void req_invoke (aio_req req)
130poll_cb () 140{
141 dSP;
142 int errorno = errno;
143
144 if (req->cancelled || !SvOK (req->callback))
145 return;
146
147 errno = req->errorno;
148
149 ENTER;
150 PUSHMARK (SP);
151
152 switch (req->type)
153 {
154 case REQ_READDIR:
155 {
156 SV *rv = &PL_sv_undef;
157
158 if (req->result >= 0)
159 {
160 char *buf = req->data2ptr;
161 AV *av = newAV ();
162
163 while (req->result)
164 {
165 SV *sv = newSVpv (buf, 0);
166
167 av_push (av, sv);
168 buf += SvCUR (sv) + 1;
169 req->result--;
170 }
171
172 rv = sv_2mortal (newRV_noinc ((SV *)av));
173 }
174
175 XPUSHs (rv);
176 }
177 break;
178
179 case REQ_OPEN:
180 {
181 /* convert fd to fh */
182 SV *fh;
183
184 XPUSHs (sv_2mortal (newSViv (req->result)));
185 PUTBACK;
186 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
187 SPAGAIN;
188
189 fh = SvREFCNT_inc (POPs);
190
191 PUSHMARK (SP);
192 XPUSHs (sv_2mortal (fh));
193 }
194 break;
195
196 case REQ_SLEEP:
197 case REQ_GROUP:
198 break;
199
200 default:
201 XPUSHs (sv_2mortal (newSViv (req->result)));
202 break;
203 }
204
205
206 PUTBACK;
207 call_sv (req->callback, G_VOID | G_EVAL);
208 SPAGAIN;
209
210 if (SvTRUE (ERRSV))
211 {
212 req_free (req);
213 croak (0);
214 }
215
216 LEAVE;
217
218 errno = errorno;
219}
220
221static void req_free (aio_req req)
222{
223 if (req->grp)
224 {
225 aio_req grp = req->grp;
226
227 /* unlink request */
228 req->grp_next->grp_prev = req->grp_prev;
229 req->grp_prev->grp_next = req->grp_next;
230
231 if (grp->grp_next == grp && grp->fd)
232 {
233 req_invoke (grp);
234 req_free (grp);
235 }
236 }
237
238 if (req->self)
239 {
240 sv_unmagic (req->self, PERL_MAGIC_ext);
241 SvREFCNT_dec (req->self);
242 }
243
244 if (req->data)
245 SvREFCNT_dec (req->data);
246
247 if (req->fh)
248 SvREFCNT_dec (req->fh);
249
250 if (req->fh2)
251 SvREFCNT_dec (req->fh2);
252
253 if (req->statdata)
254 Safefree (req->statdata);
255
256 if (req->callback)
257 SvREFCNT_dec (req->callback);
258
259 if (req->type == REQ_READDIR && req->result >= 0)
260 free (req->data2ptr);
261
262 Safefree (req);
263}
264
265static void req_cancel (aio_req req)
266{
267 req->cancelled = 1;
268
269 if (req->type == REQ_GROUP)
270 {
271 aio_req sub;
272
273 for (sub = req->grp_next; sub != req; sub = sub->grp_next)
274 req_cancel (sub);
275 }
276}
277
278static int poll_cb ()
131{ 279{
132 dSP; 280 dSP;
133 int count = 0; 281 int count = 0;
134 int do_croak = 0; 282 int do_croak = 0;
135 aio_req req; 283 aio_req req;
… …
161 309
162 nreqs--; 310 nreqs--;
163 311
164 if (req->type == REQ_QUIT) 312 if (req->type == REQ_QUIT)
165 started--; 313 started--;
314 else if (req->type == REQ_GROUP && req->grp_next != req)
315 {
316 req->fd = 1; /* mark request as delayed */
317 continue;
318 }
166 else 319 else
167 { 320 {
168 int errorno = errno;
169 errno = req->errorno;
170
171 if (req->type == REQ_READ) 321 if (req->type == REQ_READ)
172 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); 322 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173 323
174 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 324 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
175 SvREADONLY_off (req->data); 325 SvREADONLY_off (req->data);
… …
179 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 329 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180 PL_laststatval = req->result; 330 PL_laststatval = req->result;
181 PL_statcache = *(req->statdata); 331 PL_statcache = *(req->statdata);
182 } 332 }
183 333
184 ENTER; 334 req_invoke (req);
185 PUSHMARK (SP);
186 335
187 if (req->type == REQ_READDIR)
188 {
189 SV *rv = &PL_sv_undef;
190
191 if (req->result >= 0)
192 {
193 char *buf = req->data2ptr;
194 AV *av = newAV ();
195
196 while (req->result)
197 {
198 SV *sv = newSVpv (buf, 0);
199
200 av_push (av, sv);
201 buf += SvCUR (sv) + 1;
202 req->result--;
203 }
204
205 rv = sv_2mortal (newRV_noinc ((SV *)av));
206 }
207
208 XPUSHs (rv);
209 }
210 else
211 {
212 XPUSHs (sv_2mortal (newSViv (req->result)));
213
214 if (req->type == REQ_OPEN)
215 {
216 /* convert fd to fh */
217 SV *fh;
218
219 PUTBACK;
220 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
221 SPAGAIN;
222
223 fh = SvREFCNT_inc (POPs);
224
225 PUSHMARK (SP);
226 XPUSHs (sv_2mortal (fh));
227 }
228 }
229
230 if (SvOK (req->callback))
231 {
232 PUTBACK;
233 call_sv (req->callback, G_VOID | G_EVAL);
234 SPAGAIN;
235
236 if (SvTRUE (ERRSV))
237 {
238 free_req (req);
239 croak (0);
240 }
241 }
242
243 LEAVE;
244
245 errno = errorno;
246 count++; 336 count++;
247 } 337 }
248 338
249 free_req (req); 339 req_free (req);
250 } 340 }
251 341
252 return count; 342 return count;
253} 343}
254 344
255static void *aio_proc(void *arg); 345static void *aio_proc(void *arg);
256 346
257static void
258start_thread (void) 347static void start_thread (void)
259{ 348{
260 sigset_t fullsigset, oldsigset; 349 sigset_t fullsigset, oldsigset;
261 pthread_t tid; 350 pthread_t tid;
262 pthread_attr_t attr; 351 pthread_attr_t attr;
263 352
… …
272 started++; 361 started++;
273 362
274 sigprocmask (SIG_SETMASK, &oldsigset, 0); 363 sigprocmask (SIG_SETMASK, &oldsigset, 0);
275} 364}
276 365
277static void 366static void req_send (aio_req req)
278send_req (aio_req req)
279{ 367{
280 while (started < wanted && nreqs >= started) 368 while (started < wanted && nreqs >= started)
281 start_thread (); 369 start_thread ();
282 370
283 nreqs++; 371 nreqs++;
… …
307 395
308 poll_wait (); 396 poll_wait ();
309 } 397 }
310} 398}
311 399
312static void 400static void end_thread (void)
313end_thread (void)
314{ 401{
315 aio_req req; 402 aio_req req;
316 Newz (0, req, 1, aio_cb); 403 Newz (0, req, 1, aio_cb);
317 req->type = REQ_QUIT; 404 req->type = REQ_QUIT;
318 405
319 send_req (req); 406 req_send (req);
320} 407}
321 408
322static void min_parallel (int nthreads) 409static void min_parallel (int nthreads)
323{ 410{
324 if (wanted < nthreads) 411 if (wanted < nthreads)
… …
369 * normal read/write by using a mutex. slows down execution a lot, 456 * normal read/write by using a mutex. slows down execution a lot,
370 * but that's your problem, not mine. 457 * but that's your problem, not mine.
371 */ 458 */
372static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 459static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373 460
374static ssize_t 461static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
375pread (int fd, void *buf, size_t count, off_t offset)
376{ 462{
377 ssize_t res; 463 ssize_t res;
378 off_t ooffset; 464 off_t ooffset;
379 465
380 pthread_mutex_lock (&preadwritelock); 466 pthread_mutex_lock (&preadwritelock);
… …
385 pthread_mutex_unlock (&preadwritelock); 471 pthread_mutex_unlock (&preadwritelock);
386 472
387 return res; 473 return res;
388} 474}
389 475
390static ssize_t
391pwrite (int fd, void *buf, size_t count, off_t offset) 476static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392{ 477{
393 ssize_t res; 478 ssize_t res;
394 off_t ooffset; 479 off_t ooffset;
395 480
396 pthread_mutex_lock (&preadwritelock); 481 pthread_mutex_lock (&preadwritelock);
… …
409#endif 494#endif
410 495
411#if !HAVE_READAHEAD 496#if !HAVE_READAHEAD
412# define readahead aio_readahead 497# define readahead aio_readahead
413 498
414static ssize_t
415readahead (int fd, off_t offset, size_t count) 499static ssize_t readahead (int fd, off_t offset, size_t count)
416{ 500{
417 char readahead_buf[4096]; 501 char readahead_buf[4096];
418 502
419 while (count > 0) 503 while (count > 0)
420 { 504 {
… …
432#if !HAVE_READDIR_R 516#if !HAVE_READDIR_R
433# define readdir_r aio_readdir_r 517# define readdir_r aio_readdir_r
434 518
435static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 519static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436 520
437static int
438readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 521static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
439{ 522{
440 struct dirent *e; 523 struct dirent *e;
441 int errorno; 524 int errorno;
442 525
443 pthread_mutex_lock (&readdirlock); 526 pthread_mutex_lock (&readdirlock);
… …
459 return e ? 0 : -1; 542 return e ? 0 : -1;
460} 543}
461#endif 544#endif
462 545
463/* sendfile always needs emulation */ 546/* sendfile always needs emulation */
464static ssize_t
465sendfile_ (int ofd, int ifd, off_t offset, size_t count) 547static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466{ 548{
467 ssize_t res; 549 ssize_t res;
468 550
469 if (!count) 551 if (!count)
470 return 0; 552 return 0;
… …
552 634
553 return res; 635 return res;
554} 636}
555 637
556/* read a full directory */ 638/* read a full directory */
557static int
558scandir_ (const char *path, void **namesp) 639static int scandir_ (const char *path, void **namesp)
559{ 640{
560 DIR *dirp = opendir (path); 641 DIR *dirp = opendir (path);
561 union 642 union
562 { 643 {
563 struct dirent d; 644 struct dirent d;
… …
617 return res; 698 return res;
618} 699}
619 700
620/*****************************************************************************/ 701/*****************************************************************************/
621 702
622static void *
623aio_proc (void *thr_arg) 703static void *aio_proc (void *thr_arg)
624{ 704{
625 aio_req req; 705 aio_req req;
626 int type; 706 int type;
627 707
628 do 708 do
… …
647 727
648 pthread_mutex_unlock (&reqlock); 728 pthread_mutex_unlock (&reqlock);
649 729
650 errno = 0; /* strictly unnecessary */ 730 errno = 0; /* strictly unnecessary */
651 731
652 type = req->type; 732 if (!req->cancelled)
653
654 switch (type) 733 switch (req->type)
655 { 734 {
656 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 735 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break;
657 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; 736 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658 737
659 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; 738 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break;
660 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; 739 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661 740
662 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 741 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 742 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 743 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665 744
666 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 745 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667 case REQ_CLOSE: req->result = close (req->fd); break; 746 case REQ_CLOSE: req->result = close (req->fd); break;
668 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 747 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 748 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
749 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
750 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
670 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 751 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
671 752
672 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 753 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
673 case REQ_FSYNC: req->result = fsync (req->fd); break; 754 case REQ_FSYNC: req->result = fsync (req->fd); break;
674 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 755 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
675 756
757 case REQ_SLEEP:
758 {
759 struct timeval tv;
760
761 tv.tv_sec = req->fd;
762 tv.tv_usec = req->fd2;
763
764 req->result = select (0, 0, 0, 0, &tv);
765 }
766
676 case REQ_QUIT: 767 case REQ_QUIT:
677 break; 768 break;
678 769
679 default: 770 default:
680 req->result = ENOSYS; 771 req->result = ENOSYS;
681 break; 772 break;
682 } 773 }
683 774
684 req->errorno = errno; 775 req->errorno = errno;
685 776
686 pthread_mutex_lock (&reslock); 777 pthread_mutex_lock (&reslock);
687 778
… …
741 832
742 while (reqs) 833 while (reqs)
743 { 834 {
744 prv = reqs; 835 prv = reqs;
745 reqs = prv->next; 836 reqs = prv->next;
746 free_req (prv); 837 req_free (prv);
747 } 838 }
748 839
749 reqs = reqe = 0; 840 reqs = reqe = 0;
750 841
751 while (ress) 842 while (ress)
752 { 843 {
753 prv = ress; 844 prv = ress;
754 ress = prv->next; 845 ress = prv->next;
755 free_req (prv); 846 req_free (prv);
756 } 847 }
757 848
758 ress = rese = 0; 849 ress = rese = 0;
759 850
760 close (respipe [0]); 851 close (respipe [0]);
… …
766 857
767#define dREQ \ 858#define dREQ \
768 aio_req req; \ 859 aio_req req; \
769 \ 860 \
770 if (SvOK (callback) && !SvROK (callback)) \ 861 if (SvOK (callback) && !SvROK (callback)) \
771 croak ("clalback must be undef or of reference type"); \ 862 croak ("callback must be undef or of reference type"); \
772 \ 863 \
773 Newz (0, req, 1, aio_cb); \ 864 Newz (0, req, 1, aio_cb); \
774 if (!req) \ 865 if (!req) \
775 croak ("out of memory during aio_req allocation"); \ 866 croak ("out of memory during aio_req allocation"); \
776 \ 867 \
777 req->callback = newSVsv (callback); 868 req->callback = newSVsv (callback)
869
870#define REQ_SEND \
871 req_send (req); \
872 \
873 if (GIMME_V != G_VOID) \
874 XPUSHs (req_sv (req, AIO_REQ_KLASS));
778 875
779MODULE = IO::AIO PACKAGE = IO::AIO 876MODULE = IO::AIO PACKAGE = IO::AIO
780 877
781PROTOTYPES: ENABLE 878PROTOTYPES: ENABLE
782 879
783BOOT: 880BOOT:
784{ 881{
882 HV *stash = gv_stashpv ("IO::AIO", 1);
883 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
884 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
885 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
886
785 create_pipe (); 887 create_pipe ();
786 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 888 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
787} 889}
788 890
789void 891void
790min_parallel(nthreads) 892min_parallel (nthreads)
791 int nthreads 893 int nthreads
792 PROTOTYPE: $ 894 PROTOTYPE: $
793 895
794void 896void
795max_parallel(nthreads) 897max_parallel (nthreads)
796 int nthreads 898 int nthreads
797 PROTOTYPE: $ 899 PROTOTYPE: $
798 900
799int 901int
800max_outstanding(nreqs) 902max_outstanding (nreqs)
801 int nreqs 903 int nreqs
802 PROTOTYPE: $ 904 PROTOTYPE: $
803 CODE: 905 CODE:
804 RETVAL = max_outstanding; 906 RETVAL = max_outstanding;
805 max_outstanding = nreqs; 907 max_outstanding = nreqs;
806 908
807void 909void
808aio_open(pathname,flags,mode,callback=&PL_sv_undef) 910aio_open (pathname,flags,mode,callback=&PL_sv_undef)
809 SV * pathname 911 SV * pathname
810 int flags 912 int flags
811 int mode 913 int mode
812 SV * callback 914 SV * callback
813 PROTOTYPE: $$$;$ 915 PROTOTYPE: $$$;$
814 CODE: 916 PPCODE:
815{ 917{
816 dREQ; 918 dREQ;
817 919
818 req->type = REQ_OPEN; 920 req->type = REQ_OPEN;
819 req->data = newSVsv (pathname); 921 req->data = newSVsv (pathname);
820 req->dataptr = SvPVbyte_nolen (req->data); 922 req->dataptr = SvPVbyte_nolen (req->data);
821 req->fd = flags; 923 req->fd = flags;
822 req->mode = mode; 924 req->mode = mode;
823 925
824 send_req (req); 926 REQ_SEND;
825} 927}
826 928
827void 929void
828aio_close(fh,callback=&PL_sv_undef) 930aio_close (fh,callback=&PL_sv_undef)
829 SV * fh 931 SV * fh
830 SV * callback 932 SV * callback
831 PROTOTYPE: $;$ 933 PROTOTYPE: $;$
832 ALIAS: 934 ALIAS:
833 aio_close = REQ_CLOSE 935 aio_close = REQ_CLOSE
834 aio_fsync = REQ_FSYNC 936 aio_fsync = REQ_FSYNC
835 aio_fdatasync = REQ_FDATASYNC 937 aio_fdatasync = REQ_FDATASYNC
836 CODE: 938 PPCODE:
837{ 939{
838 dREQ; 940 dREQ;
839 941
840 req->type = ix; 942 req->type = ix;
841 req->fh = newSVsv (fh); 943 req->fh = newSVsv (fh);
842 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 944 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
843 945
844 send_req (req); 946 REQ_SEND (req);
845} 947}
846 948
847void 949void
848aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 950aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
849 SV * fh 951 SV * fh
850 UV offset 952 UV offset
851 UV length 953 UV length
852 SV * data 954 SV * data
853 UV dataoffset 955 UV dataoffset
854 SV * callback 956 SV * callback
855 ALIAS: 957 ALIAS:
856 aio_read = REQ_READ 958 aio_read = REQ_READ
857 aio_write = REQ_WRITE 959 aio_write = REQ_WRITE
858 PROTOTYPE: $$$$$;$ 960 PROTOTYPE: $$$$$;$
859 CODE: 961 PPCODE:
860{ 962{
861 aio_req req; 963 aio_req req;
862 STRLEN svlen; 964 STRLEN svlen;
863 char *svptr = SvPVbyte (data, svlen); 965 char *svptr = SvPVbyte (data, svlen);
864 966
… …
902 { 1004 {
903 SvREADONLY_on (data); 1005 SvREADONLY_on (data);
904 req->data2ptr = (void *)data; 1006 req->data2ptr = (void *)data;
905 } 1007 }
906 1008
907 send_req (req); 1009 REQ_SEND;
908 } 1010 }
909} 1011}
910 1012
911void 1013void
912aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1014aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
913 SV * out_fh 1015 SV * out_fh
914 SV * in_fh 1016 SV * in_fh
915 UV in_offset 1017 UV in_offset
916 UV length 1018 UV length
917 SV * callback 1019 SV * callback
918 PROTOTYPE: $$$$;$ 1020 PROTOTYPE: $$$$;$
919 CODE: 1021 PPCODE:
920{ 1022{
921 dREQ; 1023 dREQ;
922 1024
923 req->type = REQ_SENDFILE; 1025 req->type = REQ_SENDFILE;
924 req->fh = newSVsv (out_fh); 1026 req->fh = newSVsv (out_fh);
… …
926 req->fh2 = newSVsv (in_fh); 1028 req->fh2 = newSVsv (in_fh);
927 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1029 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
928 req->offset = in_offset; 1030 req->offset = in_offset;
929 req->length = length; 1031 req->length = length;
930 1032
931 send_req (req); 1033 REQ_SEND;
932} 1034}
933 1035
934void 1036void
935aio_readahead(fh,offset,length,callback=&PL_sv_undef) 1037aio_readahead (fh,offset,length,callback=&PL_sv_undef)
936 SV * fh 1038 SV * fh
937 UV offset 1039 UV offset
938 IV length 1040 IV length
939 SV * callback 1041 SV * callback
940 PROTOTYPE: $$$;$ 1042 PROTOTYPE: $$$;$
941 CODE: 1043 PPCODE:
942{ 1044{
943 dREQ; 1045 dREQ;
944 1046
945 req->type = REQ_READAHEAD; 1047 req->type = REQ_READAHEAD;
946 req->fh = newSVsv (fh); 1048 req->fh = newSVsv (fh);
947 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1049 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
948 req->offset = offset; 1050 req->offset = offset;
949 req->length = length; 1051 req->length = length;
950 1052
951 send_req (req); 1053 REQ_SEND;
952} 1054}
953 1055
954void 1056void
955aio_stat(fh_or_path,callback=&PL_sv_undef) 1057aio_stat (fh_or_path,callback=&PL_sv_undef)
956 SV * fh_or_path 1058 SV * fh_or_path
957 SV * callback 1059 SV * callback
958 ALIAS: 1060 ALIAS:
959 aio_stat = REQ_STAT 1061 aio_stat = REQ_STAT
960 aio_lstat = REQ_LSTAT 1062 aio_lstat = REQ_LSTAT
961 CODE: 1063 PPCODE:
962{ 1064{
963 dREQ; 1065 dREQ;
964 1066
965 New (0, req->statdata, 1, Stat_t); 1067 New (0, req->statdata, 1, Stat_t);
966 if (!req->statdata) 1068 if (!req->statdata)
967 { 1069 {
968 free_req (req); 1070 req_free (req);
969 croak ("out of memory during aio_req->statdata allocation"); 1071 croak ("out of memory during aio_req->statdata allocation");
970 } 1072 }
971 1073
972 if (SvPOK (fh_or_path)) 1074 if (SvPOK (fh_or_path))
973 { 1075 {
… …
980 req->type = REQ_FSTAT; 1082 req->type = REQ_FSTAT;
981 req->fh = newSVsv (fh_or_path); 1083 req->fh = newSVsv (fh_or_path);
982 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1084 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
983 } 1085 }
984 1086
985 send_req (req); 1087 REQ_SEND;
986} 1088}
987 1089
988void 1090void
989aio_unlink(pathname,callback=&PL_sv_undef) 1091aio_unlink (pathname,callback=&PL_sv_undef)
990 SV * pathname 1092 SV * pathname
991 SV * callback 1093 SV * callback
992 ALIAS: 1094 ALIAS:
993 aio_unlink = REQ_UNLINK 1095 aio_unlink = REQ_UNLINK
994 aio_rmdir = REQ_RMDIR 1096 aio_rmdir = REQ_RMDIR
1097 aio_readdir = REQ_READDIR
995 CODE: 1098 PPCODE:
996{ 1099{
997 dREQ; 1100 dREQ;
998 1101
999 req->type = ix; 1102 req->type = ix;
1000 req->data = newSVsv (pathname); 1103 req->data = newSVsv (pathname);
1001 req->dataptr = SvPVbyte_nolen (req->data); 1104 req->dataptr = SvPVbyte_nolen (req->data);
1002 1105
1003 send_req (req); 1106 REQ_SEND;
1004} 1107}
1005 1108
1006void 1109void
1007aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1110aio_link (oldpath,newpath,callback=&PL_sv_undef)
1008 SV * oldpath 1111 SV * oldpath
1009 SV * newpath 1112 SV * newpath
1010 SV * callback 1113 SV * callback
1114 ALIAS:
1115 aio_link = REQ_LINK
1116 aio_symlink = REQ_SYMLINK
1117 aio_rename = REQ_RENAME
1011 CODE: 1118 PPCODE:
1012{ 1119{
1013 dREQ; 1120 dREQ;
1014 1121
1015 req->type = REQ_SYMLINK; 1122 req->type = ix;
1016 req->fh = newSVsv (oldpath); 1123 req->fh = newSVsv (oldpath);
1017 req->data2ptr = SvPVbyte_nolen (req->fh); 1124 req->data2ptr = SvPVbyte_nolen (req->fh);
1018 req->data = newSVsv (newpath); 1125 req->data = newSVsv (newpath);
1019 req->dataptr = SvPVbyte_nolen (req->data); 1126 req->dataptr = SvPVbyte_nolen (req->data);
1020 1127
1021 send_req (req); 1128 REQ_SEND;
1022} 1129}
1023 1130
1024void 1131void
1025aio_readdir(pathname,callback=&PL_sv_undef) 1132aio_sleep (delay,callback=&PL_sv_undef)
1026 SV * pathname 1133 double delay
1027 SV * callback 1134 SV * callback
1028 CODE: 1135 PPCODE:
1029{ 1136{
1030 dREQ; 1137 dREQ;
1031 1138
1032 req->type = REQ_READDIR; 1139 req->type = REQ_SLEEP;
1033 req->data = newSVsv (pathname); 1140 req->fd = delay < 0. ? 0 : delay;
1034 req->dataptr = SvPVbyte_nolen (req->data); 1141 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1035
1036 send_req (req);
1037}
1038 1142
1143 REQ_SEND;
1144}
1145
1039void 1146void
1147aio_group (callback=&PL_sv_undef)
1148 SV * callback
1149 PROTOTYPE: ;$
1150 PPCODE:
1151{
1152 dREQ;
1153 req->type = REQ_GROUP;
1154 req->grp_next = req;
1155 req->grp_prev = req;
1156
1157 req_send (req);
1158 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1159}
1160
1161void
1040flush() 1162flush ()
1041 PROTOTYPE: 1163 PROTOTYPE:
1042 CODE: 1164 CODE:
1043 while (nreqs) 1165 while (nreqs)
1044 { 1166 {
1045 poll_wait (); 1167 poll_wait ();
… …
1085 CODE: 1207 CODE:
1086 RETVAL = nreqs; 1208 RETVAL = nreqs;
1087 OUTPUT: 1209 OUTPUT:
1088 RETVAL 1210 RETVAL
1089 1211
1212MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1213
1214void
1215cancel (aio_req_ornot req)
1216 PROTOTYPE:
1217 CODE:
1218 req_cancel (req);
1219
1220MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1221
1222void
1223add (aio_req grp, ...)
1224 PROTOTYPE: $;@
1225 PPCODE:
1226{
1227 int i;
1228
1229 for (i = 1; i < items; ++i )
1230 {
1231 if (GIMME_V != G_VOID)
1232 XPUSHs (sv_2mortal (newSVsv (ST (i))));
1233
1234 aio_req req = SvAIO_REQ (ST (i));
1235 printf ("req = %p\n", req);//D
1236
1237 if (req)
1238 {
1239 req->grp_prev = grp;
1240 req->grp_next = grp->grp_next;
1241 grp->grp_next->grp_prev = req;
1242 grp->grp_next = req;
1243
1244 req->grp = grp;
1245 }
1246 }
1247}
1248

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