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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.40 by root, Sat Jun 24 16:27:02 2006 UTC vs.
Revision 1.48 by root, Sun Oct 22 10:33:19 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>
… …
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, REQ_RENAME, 57 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
55 REQ_READDIR, 58 REQ_READDIR,
56 REQ_LINK, 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 EXTEND (SP, 1);
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 PUSHs (rv);
177 }
178 break;
179
180 case REQ_OPEN:
181 {
182 /* convert fd to fh */
183 SV *fh;
184
185 PUSHs (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_GROUP:
198 if (req->data)
199 {
200 int i;
201 AV *av = (AV *)req->data;
202
203 EXTEND (SP, AvFILL (av) + 1);
204 for (i = 0; i <= AvFILL (av); ++i)
205 PUSHs (*av_fetch (av, i, 0));
206 }
207 break;
208
209 case REQ_SLEEP:
210 break;
211
212 default:
213 PUSHs (sv_2mortal (newSViv (req->result)));
214 break;
215 }
216
217
218 PUTBACK;
219 call_sv (req->callback, G_VOID | G_EVAL);
220 SPAGAIN;
221
222 if (SvTRUE (ERRSV))
223 {
224 req_free (req);
225 croak (0);
226 }
227
228 LEAVE;
229
230 errno = errorno;
231}
232
233static void req_free (aio_req req)
234{
235 if (req->grp)
236 {
237 aio_req grp = req->grp;
238
239 /* unlink request */
240 req->grp_next->grp_prev = req->grp_prev;
241 req->grp_prev->grp_next = req->grp_next;
242
243 if (grp->grp_next == grp && grp->fd)
244 {
245 req_invoke (grp);
246 req_free (grp);
247 }
248 }
249
250 if (req->self)
251 {
252 sv_unmagic (req->self, PERL_MAGIC_ext);
253 SvREFCNT_dec (req->self);
254 }
255
256 if (req->data)
257 SvREFCNT_dec (req->data);
258
259 if (req->fh)
260 SvREFCNT_dec (req->fh);
261
262 if (req->fh2)
263 SvREFCNT_dec (req->fh2);
264
265 if (req->statdata)
266 Safefree (req->statdata);
267
268 if (req->callback)
269 SvREFCNT_dec (req->callback);
270
271 if (req->type == REQ_READDIR && req->result >= 0)
272 free (req->data2ptr);
273
274 Safefree (req);
275}
276
277static void req_cancel (aio_req req)
278{
279 req->cancelled = 1;
280
281 if (req->type == REQ_GROUP)
282 {
283 aio_req sub;
284
285 for (sub = req->grp_next; sub != req; sub = sub->grp_next)
286 req_cancel (sub);
287 }
288}
289
290static int poll_cb ()
131{ 291{
132 dSP; 292 dSP;
133 int count = 0; 293 int count = 0;
134 int do_croak = 0; 294 int do_croak = 0;
135 aio_req req; 295 aio_req req;
… …
161 321
162 nreqs--; 322 nreqs--;
163 323
164 if (req->type == REQ_QUIT) 324 if (req->type == REQ_QUIT)
165 started--; 325 started--;
326 else if (req->type == REQ_GROUP && req->grp_next != req)
327 {
328 req->fd = 1; /* mark request as delayed */
329 continue;
330 }
166 else 331 else
167 { 332 {
168 int errorno = errno;
169 errno = req->errorno;
170
171 if (req->type == REQ_READ) 333 if (req->type == REQ_READ)
172 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0)); 334 SvCUR_set (req->data, req->dataoffset + (req->result > 0 ? req->result : 0));
173 335
174 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 336 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
175 SvREADONLY_off (req->data); 337 SvREADONLY_off (req->data);
… …
179 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 341 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
180 PL_laststatval = req->result; 342 PL_laststatval = req->result;
181 PL_statcache = *(req->statdata); 343 PL_statcache = *(req->statdata);
182 } 344 }
183 345
184 ENTER; 346 req_invoke (req);
185 PUSHMARK (SP);
186 347
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++; 348 count++;
247 } 349 }
248 350
249 free_req (req); 351 req_free (req);
250 } 352 }
251 353
252 return count; 354 return count;
253} 355}
254 356
255static void *aio_proc(void *arg); 357static void *aio_proc(void *arg);
256 358
257static void
258start_thread (void) 359static void start_thread (void)
259{ 360{
260 sigset_t fullsigset, oldsigset; 361 sigset_t fullsigset, oldsigset;
261 pthread_t tid; 362 pthread_t tid;
262 pthread_attr_t attr; 363 pthread_attr_t attr;
263 364
… …
272 started++; 373 started++;
273 374
274 sigprocmask (SIG_SETMASK, &oldsigset, 0); 375 sigprocmask (SIG_SETMASK, &oldsigset, 0);
275} 376}
276 377
277static void 378static void req_send (aio_req req)
278send_req (aio_req req)
279{ 379{
280 while (started < wanted && nreqs >= started) 380 while (started < wanted && nreqs >= started)
281 start_thread (); 381 start_thread ();
282 382
283 nreqs++; 383 nreqs++;
… …
307 407
308 poll_wait (); 408 poll_wait ();
309 } 409 }
310} 410}
311 411
312static void 412static void end_thread (void)
313end_thread (void)
314{ 413{
315 aio_req req; 414 aio_req req;
316 Newz (0, req, 1, aio_cb); 415 Newz (0, req, 1, aio_cb);
317 req->type = REQ_QUIT; 416 req->type = REQ_QUIT;
318 417
319 send_req (req); 418 req_send (req);
320} 419}
321 420
322static void min_parallel (int nthreads) 421static void min_parallel (int nthreads)
323{ 422{
324 if (wanted < nthreads) 423 if (wanted < nthreads)
… …
369 * normal read/write by using a mutex. slows down execution a lot, 468 * normal read/write by using a mutex. slows down execution a lot,
370 * but that's your problem, not mine. 469 * but that's your problem, not mine.
371 */ 470 */
372static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 471static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
373 472
374static ssize_t 473static 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{ 474{
377 ssize_t res; 475 ssize_t res;
378 off_t ooffset; 476 off_t ooffset;
379 477
380 pthread_mutex_lock (&preadwritelock); 478 pthread_mutex_lock (&preadwritelock);
… …
385 pthread_mutex_unlock (&preadwritelock); 483 pthread_mutex_unlock (&preadwritelock);
386 484
387 return res; 485 return res;
388} 486}
389 487
390static ssize_t
391pwrite (int fd, void *buf, size_t count, off_t offset) 488static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
392{ 489{
393 ssize_t res; 490 ssize_t res;
394 off_t ooffset; 491 off_t ooffset;
395 492
396 pthread_mutex_lock (&preadwritelock); 493 pthread_mutex_lock (&preadwritelock);
… …
409#endif 506#endif
410 507
411#if !HAVE_READAHEAD 508#if !HAVE_READAHEAD
412# define readahead aio_readahead 509# define readahead aio_readahead
413 510
414static ssize_t
415readahead (int fd, off_t offset, size_t count) 511static ssize_t readahead (int fd, off_t offset, size_t count)
416{ 512{
417 char readahead_buf[4096]; 513 char readahead_buf[4096];
418 514
419 while (count > 0) 515 while (count > 0)
420 { 516 {
… …
432#if !HAVE_READDIR_R 528#if !HAVE_READDIR_R
433# define readdir_r aio_readdir_r 529# define readdir_r aio_readdir_r
434 530
435static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 531static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
436 532
437static int
438readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 533static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
439{ 534{
440 struct dirent *e; 535 struct dirent *e;
441 int errorno; 536 int errorno;
442 537
443 pthread_mutex_lock (&readdirlock); 538 pthread_mutex_lock (&readdirlock);
… …
459 return e ? 0 : -1; 554 return e ? 0 : -1;
460} 555}
461#endif 556#endif
462 557
463/* sendfile always needs emulation */ 558/* sendfile always needs emulation */
464static ssize_t
465sendfile_ (int ofd, int ifd, off_t offset, size_t count) 559static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
466{ 560{
467 ssize_t res; 561 ssize_t res;
468 562
469 if (!count) 563 if (!count)
470 return 0; 564 return 0;
… …
552 646
553 return res; 647 return res;
554} 648}
555 649
556/* read a full directory */ 650/* read a full directory */
557static int
558scandir_ (const char *path, void **namesp) 651static int scandir_ (const char *path, void **namesp)
559{ 652{
560 DIR *dirp = opendir (path); 653 DIR *dirp = opendir (path);
561 union 654 union
562 { 655 {
563 struct dirent d; 656 struct dirent d;
… …
617 return res; 710 return res;
618} 711}
619 712
620/*****************************************************************************/ 713/*****************************************************************************/
621 714
622static void *
623aio_proc (void *thr_arg) 715static void *aio_proc (void *thr_arg)
624{ 716{
625 aio_req req; 717 aio_req req;
626 int type; 718 int type;
627 719
628 do 720 do
… …
647 739
648 pthread_mutex_unlock (&reqlock); 740 pthread_mutex_unlock (&reqlock);
649 741
650 errno = 0; /* strictly unnecessary */ 742 errno = 0; /* strictly unnecessary */
651 743
652 type = req->type; 744 if (!req->cancelled)
653
654 switch (type) 745 switch (req->type)
655 { 746 {
656 case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; 747 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; 748 case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break;
658 749
659 case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; 750 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; 751 case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break;
661 752
662 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 753 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
663 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 754 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
664 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 755 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
665 756
666 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break; 757 case REQ_OPEN: req->result = open (req->dataptr, req->fd, req->mode); break;
667 case REQ_CLOSE: req->result = close (req->fd); break; 758 case REQ_CLOSE: req->result = close (req->fd); break;
668 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 759 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
669 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 760 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
670 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; 761 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
671 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; 762 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
672 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 763 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
673 764
674 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 765 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
675 case REQ_FSYNC: req->result = fsync (req->fd); break; 766 case REQ_FSYNC: req->result = fsync (req->fd); break;
676 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 767 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
677 768
769 case REQ_SLEEP:
770 {
771 struct timeval tv;
772
773 tv.tv_sec = req->fd;
774 tv.tv_usec = req->fd2;
775
776 req->result = select (0, 0, 0, 0, &tv);
777 }
778
678 case REQ_QUIT: 779 case REQ_QUIT:
679 break; 780 break;
680 781
681 default: 782 default:
682 req->result = ENOSYS; 783 req->result = ENOSYS;
683 break; 784 break;
684 } 785 }
685 786
686 req->errorno = errno; 787 req->errorno = errno;
687 788
688 pthread_mutex_lock (&reslock); 789 pthread_mutex_lock (&reslock);
689 790
… …
743 844
744 while (reqs) 845 while (reqs)
745 { 846 {
746 prv = reqs; 847 prv = reqs;
747 reqs = prv->next; 848 reqs = prv->next;
748 free_req (prv); 849 req_free (prv);
749 } 850 }
750 851
751 reqs = reqe = 0; 852 reqs = reqe = 0;
752 853
753 while (ress) 854 while (ress)
754 { 855 {
755 prv = ress; 856 prv = ress;
756 ress = prv->next; 857 ress = prv->next;
757 free_req (prv); 858 req_free (prv);
758 } 859 }
759 860
760 ress = rese = 0; 861 ress = rese = 0;
761 862
762 close (respipe [0]); 863 close (respipe [0]);
… …
768 869
769#define dREQ \ 870#define dREQ \
770 aio_req req; \ 871 aio_req req; \
771 \ 872 \
772 if (SvOK (callback) && !SvROK (callback)) \ 873 if (SvOK (callback) && !SvROK (callback)) \
773 croak ("clalback must be undef or of reference type"); \ 874 croak ("callback must be undef or of reference type"); \
774 \ 875 \
775 Newz (0, req, 1, aio_cb); \ 876 Newz (0, req, 1, aio_cb); \
776 if (!req) \ 877 if (!req) \
777 croak ("out of memory during aio_req allocation"); \ 878 croak ("out of memory during aio_req allocation"); \
778 \ 879 \
779 req->callback = newSVsv (callback); 880 req->callback = newSVsv (callback)
881
882#define REQ_SEND \
883 req_send (req); \
884 \
885 if (GIMME_V != G_VOID) \
886 XPUSHs (req_sv (req, AIO_REQ_KLASS));
780 887
781MODULE = IO::AIO PACKAGE = IO::AIO 888MODULE = IO::AIO PACKAGE = IO::AIO
782 889
783PROTOTYPES: ENABLE 890PROTOTYPES: ENABLE
784 891
785BOOT: 892BOOT:
786{ 893{
894 HV *stash = gv_stashpv ("IO::AIO", 1);
895 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV));
896 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
897 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
898
787 create_pipe (); 899 create_pipe ();
788 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 900 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
789} 901}
790 902
791void 903void
… …
811 SV * pathname 923 SV * pathname
812 int flags 924 int flags
813 int mode 925 int mode
814 SV * callback 926 SV * callback
815 PROTOTYPE: $$$;$ 927 PROTOTYPE: $$$;$
816 CODE: 928 PPCODE:
817{ 929{
818 dREQ; 930 dREQ;
819 931
820 req->type = REQ_OPEN; 932 req->type = REQ_OPEN;
821 req->data = newSVsv (pathname); 933 req->data = newSVsv (pathname);
822 req->dataptr = SvPVbyte_nolen (req->data); 934 req->dataptr = SvPVbyte_nolen (req->data);
823 req->fd = flags; 935 req->fd = flags;
824 req->mode = mode; 936 req->mode = mode;
825 937
826 send_req (req); 938 REQ_SEND;
827} 939}
828 940
829void 941void
830aio_close (fh,callback=&PL_sv_undef) 942aio_close (fh,callback=&PL_sv_undef)
831 SV * fh 943 SV * fh
… …
833 PROTOTYPE: $;$ 945 PROTOTYPE: $;$
834 ALIAS: 946 ALIAS:
835 aio_close = REQ_CLOSE 947 aio_close = REQ_CLOSE
836 aio_fsync = REQ_FSYNC 948 aio_fsync = REQ_FSYNC
837 aio_fdatasync = REQ_FDATASYNC 949 aio_fdatasync = REQ_FDATASYNC
838 CODE: 950 PPCODE:
839{ 951{
840 dREQ; 952 dREQ;
841 953
842 req->type = ix; 954 req->type = ix;
843 req->fh = newSVsv (fh); 955 req->fh = newSVsv (fh);
844 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 956 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
845 957
846 send_req (req); 958 REQ_SEND (req);
847} 959}
848 960
849void 961void
850aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 962aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
851 SV * fh 963 SV * fh
… …
856 SV * callback 968 SV * callback
857 ALIAS: 969 ALIAS:
858 aio_read = REQ_READ 970 aio_read = REQ_READ
859 aio_write = REQ_WRITE 971 aio_write = REQ_WRITE
860 PROTOTYPE: $$$$$;$ 972 PROTOTYPE: $$$$$;$
861 CODE: 973 PPCODE:
862{ 974{
863 aio_req req; 975 aio_req req;
864 STRLEN svlen; 976 STRLEN svlen;
865 char *svptr = SvPVbyte (data, svlen); 977 char *svptr = SvPVbyte (data, svlen);
866 978
… …
904 { 1016 {
905 SvREADONLY_on (data); 1017 SvREADONLY_on (data);
906 req->data2ptr = (void *)data; 1018 req->data2ptr = (void *)data;
907 } 1019 }
908 1020
909 send_req (req); 1021 REQ_SEND;
910 } 1022 }
911} 1023}
912 1024
913void 1025void
914aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1026aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
… …
916 SV * in_fh 1028 SV * in_fh
917 UV in_offset 1029 UV in_offset
918 UV length 1030 UV length
919 SV * callback 1031 SV * callback
920 PROTOTYPE: $$$$;$ 1032 PROTOTYPE: $$$$;$
921 CODE: 1033 PPCODE:
922{ 1034{
923 dREQ; 1035 dREQ;
924 1036
925 req->type = REQ_SENDFILE; 1037 req->type = REQ_SENDFILE;
926 req->fh = newSVsv (out_fh); 1038 req->fh = newSVsv (out_fh);
… …
928 req->fh2 = newSVsv (in_fh); 1040 req->fh2 = newSVsv (in_fh);
929 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1041 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
930 req->offset = in_offset; 1042 req->offset = in_offset;
931 req->length = length; 1043 req->length = length;
932 1044
933 send_req (req); 1045 REQ_SEND;
934} 1046}
935 1047
936void 1048void
937aio_readahead (fh,offset,length,callback=&PL_sv_undef) 1049aio_readahead (fh,offset,length,callback=&PL_sv_undef)
938 SV * fh 1050 SV * fh
939 UV offset 1051 UV offset
940 IV length 1052 IV length
941 SV * callback 1053 SV * callback
942 PROTOTYPE: $$$;$ 1054 PROTOTYPE: $$$;$
943 CODE: 1055 PPCODE:
944{ 1056{
945 dREQ; 1057 dREQ;
946 1058
947 req->type = REQ_READAHEAD; 1059 req->type = REQ_READAHEAD;
948 req->fh = newSVsv (fh); 1060 req->fh = newSVsv (fh);
949 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1061 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
950 req->offset = offset; 1062 req->offset = offset;
951 req->length = length; 1063 req->length = length;
952 1064
953 send_req (req); 1065 REQ_SEND;
954} 1066}
955 1067
956void 1068void
957aio_stat (fh_or_path,callback=&PL_sv_undef) 1069aio_stat (fh_or_path,callback=&PL_sv_undef)
958 SV * fh_or_path 1070 SV * fh_or_path
959 SV * callback 1071 SV * callback
960 ALIAS: 1072 ALIAS:
961 aio_stat = REQ_STAT 1073 aio_stat = REQ_STAT
962 aio_lstat = REQ_LSTAT 1074 aio_lstat = REQ_LSTAT
963 CODE: 1075 PPCODE:
964{ 1076{
965 dREQ; 1077 dREQ;
966 1078
967 New (0, req->statdata, 1, Stat_t); 1079 New (0, req->statdata, 1, Stat_t);
968 if (!req->statdata) 1080 if (!req->statdata)
969 { 1081 {
970 free_req (req); 1082 req_free (req);
971 croak ("out of memory during aio_req->statdata allocation"); 1083 croak ("out of memory during aio_req->statdata allocation");
972 } 1084 }
973 1085
974 if (SvPOK (fh_or_path)) 1086 if (SvPOK (fh_or_path))
975 { 1087 {
… …
982 req->type = REQ_FSTAT; 1094 req->type = REQ_FSTAT;
983 req->fh = newSVsv (fh_or_path); 1095 req->fh = newSVsv (fh_or_path);
984 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1096 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
985 } 1097 }
986 1098
987 send_req (req); 1099 REQ_SEND;
988} 1100}
989 1101
990void 1102void
991aio_unlink (pathname,callback=&PL_sv_undef) 1103aio_unlink (pathname,callback=&PL_sv_undef)
992 SV * pathname 1104 SV * pathname
993 SV * callback 1105 SV * callback
994 ALIAS: 1106 ALIAS:
995 aio_unlink = REQ_UNLINK 1107 aio_unlink = REQ_UNLINK
996 aio_rmdir = REQ_RMDIR 1108 aio_rmdir = REQ_RMDIR
997 aio_readdir = REQ_READDIR 1109 aio_readdir = REQ_READDIR
998 CODE: 1110 PPCODE:
999{ 1111{
1000 dREQ; 1112 dREQ;
1001 1113
1002 req->type = ix; 1114 req->type = ix;
1003 req->data = newSVsv (pathname); 1115 req->data = newSVsv (pathname);
1004 req->dataptr = SvPVbyte_nolen (req->data); 1116 req->dataptr = SvPVbyte_nolen (req->data);
1005 1117
1006 send_req (req); 1118 REQ_SEND;
1007} 1119}
1008 1120
1009void 1121void
1010aio_link (oldpath,newpath,callback=&PL_sv_undef) 1122aio_link (oldpath,newpath,callback=&PL_sv_undef)
1011 SV * oldpath 1123 SV * oldpath
… …
1013 SV * callback 1125 SV * callback
1014 ALIAS: 1126 ALIAS:
1015 aio_link = REQ_LINK 1127 aio_link = REQ_LINK
1016 aio_symlink = REQ_SYMLINK 1128 aio_symlink = REQ_SYMLINK
1017 aio_rename = REQ_RENAME 1129 aio_rename = REQ_RENAME
1018 CODE: 1130 PPCODE:
1019{ 1131{
1020 dREQ; 1132 dREQ;
1021 1133
1022 req->type = ix; 1134 req->type = ix;
1023 req->fh = newSVsv (oldpath); 1135 req->fh = newSVsv (oldpath);
1024 req->data2ptr = SvPVbyte_nolen (req->fh); 1136 req->data2ptr = SvPVbyte_nolen (req->fh);
1025 req->data = newSVsv (newpath); 1137 req->data = newSVsv (newpath);
1026 req->dataptr = SvPVbyte_nolen (req->data); 1138 req->dataptr = SvPVbyte_nolen (req->data);
1027 1139
1028 send_req (req); 1140 REQ_SEND;
1141}
1142
1143void
1144aio_sleep (delay,callback=&PL_sv_undef)
1145 double delay
1146 SV * callback
1147 PPCODE:
1148{
1149 dREQ;
1150
1151 req->type = REQ_SLEEP;
1152 req->fd = delay < 0. ? 0 : delay;
1153 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1154
1155 REQ_SEND;
1156}
1157
1158void
1159aio_group (callback=&PL_sv_undef)
1160 SV * callback
1161 PROTOTYPE: ;$
1162 PPCODE:
1163{
1164 dREQ;
1165 req->type = REQ_GROUP;
1166 req->grp_next = req;
1167 req->grp_prev = req;
1168
1169 req_send (req);
1170 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1029} 1171}
1030 1172
1031void 1173void
1032flush () 1174flush ()
1033 PROTOTYPE: 1175 PROTOTYPE:
… …
1077 CODE: 1219 CODE:
1078 RETVAL = nreqs; 1220 RETVAL = nreqs;
1079 OUTPUT: 1221 OUTPUT:
1080 RETVAL 1222 RETVAL
1081 1223
1224PROTOTYPES: DISABLE
1225
1226MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1227
1228void
1229cancel (aio_req_ornot req)
1230 PROTOTYPE:
1231 CODE:
1232 req_cancel (req);
1233
1234MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1235
1236void
1237add (aio_req grp, ...)
1238 PPCODE:
1239{
1240 int i;
1241
1242 for (i = 1; i < items; ++i )
1243 {
1244 if (GIMME_V != G_VOID)
1245 XPUSHs (sv_2mortal (newSVsv (ST (i))));
1246
1247 aio_req req = SvAIO_REQ (ST (i));
1248
1249 if (req)
1250 {
1251 req->grp_prev = grp;
1252 req->grp_next = grp->grp_next;
1253 grp->grp_next->grp_prev = req;
1254 grp->grp_next = req;
1255
1256 req->grp = grp;
1257 }
1258 }
1259}
1260
1261void
1262result (aio_req grp, ...)
1263 CODE:
1264{
1265 int i;
1266 AV *av = newAV ();
1267
1268 if (grp->data)
1269 SvREFCNT_dec (grp->data);
1270
1271 for (i = 1; i < items; ++i )
1272 av_push (av, newSVsv (ST (i)));
1273
1274 grp->data = (SV *)av;
1275}
1276

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