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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 1.45 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>
… …
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;
93typedef aio_cb *aio_group;
80 94
81static int started, wanted; 95static int started, wanted;
82static volatile int nreqs; 96static volatile int nreqs;
83static int max_outstanding = 1<<30; 97static int max_outstanding = 1<<30;
84static int respipe [2]; 98static int respipe [2];
… …
88static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 102static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
89 103
90static volatile aio_req reqs, reqe; /* queue start, queue end */ 104static volatile aio_req reqs, reqe; /* queue start, queue end */
91static volatile aio_req ress, rese; /* queue start, queue end */ 105static volatile aio_req ress, rese; /* queue start, queue end */
92 106
93static void free_req (aio_req req) 107static void req_free (aio_req req);
94{
95 if (req->data)
96 SvREFCNT_dec (req->data);
97 108
98 if (req->fh) 109/* must be called at most once */
99 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);
100 114
101 if (req->fh2) 115 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} 116}
115 117
116static void 118static aio_req SvAIO_REQ (SV *sv)
117poll_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 ()
118{ 129{
119 if (nreqs && !ress) 130 if (nreqs && !ress)
120 { 131 {
121 fd_set rfd; 132 fd_set rfd;
122 FD_ZERO(&rfd); 133 FD_ZERO(&rfd);
… …
124 135
125 select (respipe [0] + 1, &rfd, 0, 0, 0); 136 select (respipe [0] + 1, &rfd, 0, 0, 0);
126 } 137 }
127} 138}
128 139
129static int 140static void req_invoke (aio_req req)
130poll_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 ()
131{ 280{
132 dSP; 281 dSP;
133 int count = 0; 282 int count = 0;
134 int do_croak = 0; 283 int do_croak = 0;
135 aio_req req; 284 aio_req req;
… …
161 310
162 nreqs--; 311 nreqs--;
163 312
164 if (req->type == REQ_QUIT) 313 if (req->type == REQ_QUIT)
165 started--; 314 started--;
315 else if (req->type == REQ_GROUP && req->grp_next != req)
316 continue;
166 else 317 else
167 { 318 {
168 int errorno = errno;
169 errno = req->errorno;
170
171 if (req->type == REQ_READ) 319 if (req->type == REQ_READ)
172 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));
173 321
174 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 322 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
175 SvREADONLY_off (req->data); 323 SvREADONLY_off (req->data);
… …
179 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 327 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180 PL_laststatval = req->result; 328 PL_laststatval = req->result;
181 PL_statcache = *(req->statdata); 329 PL_statcache = *(req->statdata);
182 } 330 }
183 331
184 ENTER; 332 req_invoke (req);
185 PUSHMARK (SP);
186 333
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++; 334 count++;
247 } 335 }
248 336
249 free_req (req); 337 req_free (req);
250 } 338 }
251 339
252 return count; 340 return count;
253} 341}
254 342
255static void *aio_proc(void *arg); 343static void *aio_proc(void *arg);
256 344
257static void
258start_thread (void) 345static void start_thread (void)
259{ 346{
260 sigset_t fullsigset, oldsigset; 347 sigset_t fullsigset, oldsigset;
261 pthread_t tid; 348 pthread_t tid;
262 pthread_attr_t attr; 349 pthread_attr_t attr;
263 350
… …
272 started++; 359 started++;
273 360
274 sigprocmask (SIG_SETMASK, &oldsigset, 0); 361 sigprocmask (SIG_SETMASK, &oldsigset, 0);
275} 362}
276 363
277static void 364static void req_send (aio_req req)
278send_req (aio_req req)
279{ 365{
280 while (started < wanted && nreqs >= started) 366 while (started < wanted && nreqs >= started)
281 start_thread (); 367 start_thread ();
282 368
283 nreqs++; 369 nreqs++;
… …
307 393
308 poll_wait (); 394 poll_wait ();
309 } 395 }
310} 396}
311 397
312static void 398static void end_thread (void)
313end_thread (void)
314{ 399{
315 aio_req req; 400 aio_req req;
316 Newz (0, req, 1, aio_cb); 401 Newz (0, req, 1, aio_cb);
317 req->type = REQ_QUIT; 402 req->type = REQ_QUIT;
318 403
319 send_req (req); 404 req_send (req);
320} 405}
321 406
322static void min_parallel (int nthreads) 407static void min_parallel (int nthreads)
323{ 408{
324 if (wanted < nthreads) 409 if (wanted < nthreads)
… …
369 * 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,
370 * but that's your problem, not mine. 455 * but that's your problem, not mine.
371 */ 456 */
372static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 457static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373 458
374static ssize_t 459static 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{ 460{
377 ssize_t res; 461 ssize_t res;
378 off_t ooffset; 462 off_t ooffset;
379 463
380 pthread_mutex_lock (&preadwritelock); 464 pthread_mutex_lock (&preadwritelock);
… …
385 pthread_mutex_unlock (&preadwritelock); 469 pthread_mutex_unlock (&preadwritelock);
386 470
387 return res; 471 return res;
388} 472}
389 473
390static ssize_t
391pwrite (int fd, void *buf, size_t count, off_t offset) 474static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392{ 475{
393 ssize_t res; 476 ssize_t res;
394 off_t ooffset; 477 off_t ooffset;
395 478
396 pthread_mutex_lock (&preadwritelock); 479 pthread_mutex_lock (&preadwritelock);
… …
409#endif 492#endif
410 493
411#if !HAVE_READAHEAD 494#if !HAVE_READAHEAD
412# define readahead aio_readahead 495# define readahead aio_readahead
413 496
414static ssize_t
415readahead (int fd, off_t offset, size_t count) 497static ssize_t readahead (int fd, off_t offset, size_t count)
416{ 498{
417 char readahead_buf[4096]; 499 char readahead_buf[4096];
418 500
419 while (count > 0) 501 while (count > 0)
420 { 502 {
… …
432#if !HAVE_READDIR_R 514#if !HAVE_READDIR_R
433# define readdir_r aio_readdir_r 515# define readdir_r aio_readdir_r
434 516
435static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 517static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436 518
437static int
438readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 519static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
439{ 520{
440 struct dirent *e; 521 struct dirent *e;
441 int errorno; 522 int errorno;
442 523
443 pthread_mutex_lock (&readdirlock); 524 pthread_mutex_lock (&readdirlock);
… …
459 return e ? 0 : -1; 540 return e ? 0 : -1;
460} 541}
461#endif 542#endif
462 543
463/* sendfile always needs emulation */ 544/* sendfile always needs emulation */
464static ssize_t
465sendfile_ (int ofd, int ifd, off_t offset, size_t count) 545static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466{ 546{
467 ssize_t res; 547 ssize_t res;
468 548
469 if (!count) 549 if (!count)
470 return 0; 550 return 0;
… …
552 632
553 return res; 633 return res;
554} 634}
555 635
556/* read a full directory */ 636/* read a full directory */
557static int
558scandir_ (const char *path, void **namesp) 637static int scandir_ (const char *path, void **namesp)
559{ 638{
560 DIR *dirp = opendir (path); 639 DIR *dirp = opendir (path);
561 union 640 union
562 { 641 {
563 struct dirent d; 642 struct dirent d;
… …
617 return res; 696 return res;
618} 697}
619 698
620/*****************************************************************************/ 699/*****************************************************************************/
621 700
622static void *
623aio_proc (void *thr_arg) 701static void *aio_proc (void *thr_arg)
624{ 702{
625 aio_req req; 703 aio_req req;
626 int type; 704 int type;
627 705
628 do 706 do
… …
647 725
648 pthread_mutex_unlock (&reqlock); 726 pthread_mutex_unlock (&reqlock);
649 727
650 errno = 0; /* strictly unnecessary */ 728 errno = 0; /* strictly unnecessary */
651 729
652 type = req->type; 730 if (!req->cancelled)
653
654 switch (type) 731 switch (req->type)
655 { 732 {
656 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;
657 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;
658 735
659 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;
660 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;
661 738
662 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 739 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 740 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 741 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665 742
666 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;
667 case REQ_CLOSE: req->result = close (req->fd); break; 744 case REQ_CLOSE: req->result = close (req->fd); break;
668 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 745 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669 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;
670 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 749 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
671 750
672 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 751 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
673 case REQ_FSYNC: req->result = fsync (req->fd); break; 752 case REQ_FSYNC: req->result = fsync (req->fd); break;
674 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 753 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
675 754
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
676 case REQ_QUIT: 765 case REQ_QUIT:
677 break; 766 break;
678 767
679 default: 768 default:
680 req->result = ENOSYS; 769 req->result = ENOSYS;
681 break; 770 break;
682 } 771 }
683 772
684 req->errorno = errno; 773 req->errorno = errno;
685 774
686 pthread_mutex_lock (&reslock); 775 pthread_mutex_lock (&reslock);
687 776
… …
741 830
742 while (reqs) 831 while (reqs)
743 { 832 {
744 prv = reqs; 833 prv = reqs;
745 reqs = prv->next; 834 reqs = prv->next;
746 free_req (prv); 835 req_free (prv);
747 } 836 }
748 837
749 reqs = reqe = 0; 838 reqs = reqe = 0;
750 839
751 while (ress) 840 while (ress)
752 { 841 {
753 prv = ress; 842 prv = ress;
754 ress = prv->next; 843 ress = prv->next;
755 free_req (prv); 844 req_free (prv);
756 } 845 }
757 846
758 ress = rese = 0; 847 ress = rese = 0;
759 848
760 close (respipe [0]); 849 close (respipe [0]);
… …
766 855
767#define dREQ \ 856#define dREQ \
768 aio_req req; \ 857 aio_req req; \
769 \ 858 \
770 if (SvOK (callback) && !SvROK (callback)) \ 859 if (SvOK (callback) && !SvROK (callback)) \
771 croak ("clalback must be undef or of reference type"); \ 860 croak ("callback must be undef or of reference type"); \
772 \ 861 \
773 Newz (0, req, 1, aio_cb); \ 862 Newz (0, req, 1, aio_cb); \
774 if (!req) \ 863 if (!req) \
775 croak ("out of memory during aio_req allocation"); \ 864 croak ("out of memory during aio_req allocation"); \
776 \ 865 \
777 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));
778 873
779MODULE = IO::AIO PACKAGE = IO::AIO 874MODULE = IO::AIO PACKAGE = IO::AIO
780 875
781PROTOTYPES: ENABLE 876PROTOTYPES: ENABLE
782 877
783BOOT: 878BOOT:
784{ 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
785 create_pipe (); 885 create_pipe ();
786 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 886 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
787} 887}
788 888
789void 889void
790min_parallel(nthreads) 890min_parallel (nthreads)
791 int nthreads 891 int nthreads
792 PROTOTYPE: $ 892 PROTOTYPE: $
793 893
794void 894void
795max_parallel(nthreads) 895max_parallel (nthreads)
796 int nthreads 896 int nthreads
797 PROTOTYPE: $ 897 PROTOTYPE: $
798 898
799int 899int
800max_outstanding(nreqs) 900max_outstanding (nreqs)
801 int nreqs 901 int nreqs
802 PROTOTYPE: $ 902 PROTOTYPE: $
803 CODE: 903 CODE:
804 RETVAL = max_outstanding; 904 RETVAL = max_outstanding;
805 max_outstanding = nreqs; 905 max_outstanding = nreqs;
806 906
807void 907void
808aio_open(pathname,flags,mode,callback=&PL_sv_undef) 908aio_open (pathname,flags,mode,callback=&PL_sv_undef)
809 SV * pathname 909 SV * pathname
810 int flags 910 int flags
811 int mode 911 int mode
812 SV * callback 912 SV * callback
813 PROTOTYPE: $$$;$ 913 PROTOTYPE: $$$;$
814 CODE: 914 PPCODE:
815{ 915{
816 dREQ; 916 dREQ;
817 917
818 req->type = REQ_OPEN; 918 req->type = REQ_OPEN;
819 req->data = newSVsv (pathname); 919 req->data = newSVsv (pathname);
820 req->dataptr = SvPVbyte_nolen (req->data); 920 req->dataptr = SvPVbyte_nolen (req->data);
821 req->fd = flags; 921 req->fd = flags;
822 req->mode = mode; 922 req->mode = mode;
823 923
824 send_req (req); 924 REQ_SEND;
825} 925}
826 926
827void 927void
828aio_close(fh,callback=&PL_sv_undef) 928aio_close (fh,callback=&PL_sv_undef)
829 SV * fh 929 SV * fh
830 SV * callback 930 SV * callback
831 PROTOTYPE: $;$ 931 PROTOTYPE: $;$
832 ALIAS: 932 ALIAS:
833 aio_close = REQ_CLOSE 933 aio_close = REQ_CLOSE
834 aio_fsync = REQ_FSYNC 934 aio_fsync = REQ_FSYNC
835 aio_fdatasync = REQ_FDATASYNC 935 aio_fdatasync = REQ_FDATASYNC
836 CODE: 936 PPCODE:
837{ 937{
838 dREQ; 938 dREQ;
839 939
840 req->type = ix; 940 req->type = ix;
841 req->fh = newSVsv (fh); 941 req->fh = newSVsv (fh);
842 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 942 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
843 943
844 send_req (req); 944 REQ_SEND (req);
845} 945}
846 946
847void 947void
848aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 948aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
849 SV * fh 949 SV * fh
850 UV offset 950 UV offset
851 UV length 951 UV length
852 SV * data 952 SV * data
853 UV dataoffset 953 UV dataoffset
854 SV * callback 954 SV * callback
855 ALIAS: 955 ALIAS:
856 aio_read = REQ_READ 956 aio_read = REQ_READ
857 aio_write = REQ_WRITE 957 aio_write = REQ_WRITE
858 PROTOTYPE: $$$$$;$ 958 PROTOTYPE: $$$$$;$
859 CODE: 959 PPCODE:
860{ 960{
861 aio_req req; 961 aio_req req;
862 STRLEN svlen; 962 STRLEN svlen;
863 char *svptr = SvPVbyte (data, svlen); 963 char *svptr = SvPVbyte (data, svlen);
864 964
… …
902 { 1002 {
903 SvREADONLY_on (data); 1003 SvREADONLY_on (data);
904 req->data2ptr = (void *)data; 1004 req->data2ptr = (void *)data;
905 } 1005 }
906 1006
907 send_req (req); 1007 REQ_SEND;
908 } 1008 }
909} 1009}
910 1010
911void 1011void
912aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1012aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
913 SV * out_fh 1013 SV * out_fh
914 SV * in_fh 1014 SV * in_fh
915 UV in_offset 1015 UV in_offset
916 UV length 1016 UV length
917 SV * callback 1017 SV * callback
918 PROTOTYPE: $$$$;$ 1018 PROTOTYPE: $$$$;$
919 CODE: 1019 PPCODE:
920{ 1020{
921 dREQ; 1021 dREQ;
922 1022
923 req->type = REQ_SENDFILE; 1023 req->type = REQ_SENDFILE;
924 req->fh = newSVsv (out_fh); 1024 req->fh = newSVsv (out_fh);
… …
926 req->fh2 = newSVsv (in_fh); 1026 req->fh2 = newSVsv (in_fh);
927 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1027 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
928 req->offset = in_offset; 1028 req->offset = in_offset;
929 req->length = length; 1029 req->length = length;
930 1030
931 send_req (req); 1031 REQ_SEND;
932} 1032}
933 1033
934void 1034void
935aio_readahead(fh,offset,length,callback=&PL_sv_undef) 1035aio_readahead (fh,offset,length,callback=&PL_sv_undef)
936 SV * fh 1036 SV * fh
937 UV offset 1037 UV offset
938 IV length 1038 IV length
939 SV * callback 1039 SV * callback
940 PROTOTYPE: $$$;$ 1040 PROTOTYPE: $$$;$
941 CODE: 1041 PPCODE:
942{ 1042{
943 dREQ; 1043 dREQ;
944 1044
945 req->type = REQ_READAHEAD; 1045 req->type = REQ_READAHEAD;
946 req->fh = newSVsv (fh); 1046 req->fh = newSVsv (fh);
947 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1047 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
948 req->offset = offset; 1048 req->offset = offset;
949 req->length = length; 1049 req->length = length;
950 1050
951 send_req (req); 1051 REQ_SEND;
952} 1052}
953 1053
954void 1054void
955aio_stat(fh_or_path,callback=&PL_sv_undef) 1055aio_stat (fh_or_path,callback=&PL_sv_undef)
956 SV * fh_or_path 1056 SV * fh_or_path
957 SV * callback 1057 SV * callback
958 ALIAS: 1058 ALIAS:
959 aio_stat = REQ_STAT 1059 aio_stat = REQ_STAT
960 aio_lstat = REQ_LSTAT 1060 aio_lstat = REQ_LSTAT
961 CODE: 1061 PPCODE:
962{ 1062{
963 dREQ; 1063 dREQ;
964 1064
965 New (0, req->statdata, 1, Stat_t); 1065 New (0, req->statdata, 1, Stat_t);
966 if (!req->statdata) 1066 if (!req->statdata)
967 { 1067 {
968 free_req (req); 1068 req_free (req);
969 croak ("out of memory during aio_req->statdata allocation"); 1069 croak ("out of memory during aio_req->statdata allocation");
970 } 1070 }
971 1071
972 if (SvPOK (fh_or_path)) 1072 if (SvPOK (fh_or_path))
973 { 1073 {
… …
980 req->type = REQ_FSTAT; 1080 req->type = REQ_FSTAT;
981 req->fh = newSVsv (fh_or_path); 1081 req->fh = newSVsv (fh_or_path);
982 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1082 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
983 } 1083 }
984 1084
985 send_req (req); 1085 REQ_SEND;
986} 1086}
987 1087
988void 1088void
989aio_unlink(pathname,callback=&PL_sv_undef) 1089aio_unlink (pathname,callback=&PL_sv_undef)
990 SV * pathname 1090 SV * pathname
991 SV * callback 1091 SV * callback
992 ALIAS: 1092 ALIAS:
993 aio_unlink = REQ_UNLINK 1093 aio_unlink = REQ_UNLINK
994 aio_rmdir = REQ_RMDIR 1094 aio_rmdir = REQ_RMDIR
1095 aio_readdir = REQ_READDIR
995 CODE: 1096 PPCODE:
996{ 1097{
997 dREQ; 1098 dREQ;
998 1099
999 req->type = ix; 1100 req->type = ix;
1000 req->data = newSVsv (pathname); 1101 req->data = newSVsv (pathname);
1001 req->dataptr = SvPVbyte_nolen (req->data); 1102 req->dataptr = SvPVbyte_nolen (req->data);
1002 1103
1003 send_req (req); 1104 REQ_SEND;
1004} 1105}
1005 1106
1006void 1107void
1007aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1108aio_link (oldpath,newpath,callback=&PL_sv_undef)
1008 SV * oldpath 1109 SV * oldpath
1009 SV * newpath 1110 SV * newpath
1010 SV * callback 1111 SV * callback
1112 ALIAS:
1113 aio_link = REQ_LINK
1114 aio_symlink = REQ_SYMLINK
1115 aio_rename = REQ_RENAME
1011 CODE: 1116 PPCODE:
1012{ 1117{
1013 dREQ; 1118 dREQ;
1014 1119
1015 req->type = REQ_SYMLINK; 1120 req->type = ix;
1016 req->fh = newSVsv (oldpath); 1121 req->fh = newSVsv (oldpath);
1017 req->data2ptr = SvPVbyte_nolen (req->fh); 1122 req->data2ptr = SvPVbyte_nolen (req->fh);
1018 req->data = newSVsv (newpath); 1123 req->data = newSVsv (newpath);
1019 req->dataptr = SvPVbyte_nolen (req->data); 1124 req->dataptr = SvPVbyte_nolen (req->data);
1020 1125
1021 send_req (req); 1126 REQ_SEND;
1022} 1127}
1023 1128
1024void 1129void
1025aio_readdir(pathname,callback=&PL_sv_undef) 1130aio_sleep (delay,callback=&PL_sv_undef)
1026 SV * pathname 1131 double delay
1027 SV * callback 1132 SV * callback
1028 CODE: 1133 PPCODE:
1029{ 1134{
1030 dREQ; 1135 dREQ;
1031 1136
1032 req->type = REQ_READDIR; 1137 req->type = REQ_SLEEP;
1033 req->data = newSVsv (pathname); 1138 req->fd = delay < 0. ? 0 : delay;
1034 req->dataptr = SvPVbyte_nolen (req->data); 1139 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1035
1036 send_req (req);
1037}
1038 1140
1141 REQ_SEND;
1142}
1143
1039void 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
1040flush() 1160flush ()
1041 PROTOTYPE: 1161 PROTOTYPE:
1042 CODE: 1162 CODE:
1043 while (nreqs) 1163 while (nreqs)
1044 { 1164 {
1045 poll_wait (); 1165 poll_wait ();
… …
1085 CODE: 1205 CODE:
1086 RETVAL = nreqs; 1206 RETVAL = nreqs;
1087 OUTPUT: 1207 OUTPUT:
1088 RETVAL 1208 RETVAL
1089 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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