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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.38 by root, Sun Aug 28 10:51:33 2005 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>
… …
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;
75 93
76static int started, wanted; 94static int started, wanted;
77static volatile int nreqs; 95static volatile int nreqs;
78static int max_outstanding = 1<<30; 96static int max_outstanding = 1<<30;
79static int respipe [2]; 97static int respipe [2];
… …
83static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 101static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
84 102
85static volatile aio_req reqs, reqe; /* queue start, queue end */ 103static volatile aio_req reqs, reqe; /* queue start, queue end */
86static volatile aio_req ress, rese; /* queue start, queue end */ 104static volatile aio_req ress, rese; /* queue start, queue end */
87 105
88static void free_req (aio_req req) 106static void req_free (aio_req req);
89{
90 if (req->data)
91 SvREFCNT_dec (req->data);
92 107
93 if (req->fh) 108/* must be called at most once */
94 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);
95 113
96 if (req->fh2) 114 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} 115}
110 116
111static void 117static aio_req SvAIO_REQ (SV *sv)
112poll_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 ()
113{ 128{
114 if (nreqs && !ress) 129 if (nreqs && !ress)
115 { 130 {
116 fd_set rfd; 131 fd_set rfd;
117 FD_ZERO(&rfd); 132 FD_ZERO(&rfd);
… …
119 134
120 select (respipe [0] + 1, &rfd, 0, 0, 0); 135 select (respipe [0] + 1, &rfd, 0, 0, 0);
121 } 136 }
122} 137}
123 138
124static int 139static void req_invoke (aio_req req)
125poll_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 ()
126{ 291{
127 dSP; 292 dSP;
128 int count = 0; 293 int count = 0;
129 int do_croak = 0; 294 int do_croak = 0;
130 aio_req req; 295 aio_req req;
… …
156 321
157 nreqs--; 322 nreqs--;
158 323
159 if (req->type == REQ_QUIT) 324 if (req->type == REQ_QUIT)
160 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 }
161 else 331 else
162 { 332 {
163 int errorno = errno;
164 errno = req->errorno;
165
166 if (req->type == REQ_READ) 333 if (req->type == REQ_READ)
167 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));
168 335
169 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 336 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
170 SvREADONLY_off (req->data); 337 SvREADONLY_off (req->data);
… …
174 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 341 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
175 PL_laststatval = req->result; 342 PL_laststatval = req->result;
176 PL_statcache = *(req->statdata); 343 PL_statcache = *(req->statdata);
177 } 344 }
178 345
179 ENTER; 346 req_invoke (req);
180 PUSHMARK (SP);
181 347
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++; 348 count++;
242 } 349 }
243 350
244 free_req (req); 351 req_free (req);
245 } 352 }
246 353
247 return count; 354 return count;
248} 355}
249 356
250static void *aio_proc(void *arg); 357static void *aio_proc(void *arg);
251 358
252static void
253start_thread (void) 359static void start_thread (void)
254{ 360{
255 sigset_t fullsigset, oldsigset; 361 sigset_t fullsigset, oldsigset;
256 pthread_t tid; 362 pthread_t tid;
257 pthread_attr_t attr; 363 pthread_attr_t attr;
258 364
… …
267 started++; 373 started++;
268 374
269 sigprocmask (SIG_SETMASK, &oldsigset, 0); 375 sigprocmask (SIG_SETMASK, &oldsigset, 0);
270} 376}
271 377
272static void 378static void req_send (aio_req req)
273send_req (aio_req req)
274{ 379{
275 while (started < wanted && nreqs >= started) 380 while (started < wanted && nreqs >= started)
276 start_thread (); 381 start_thread ();
277 382
278 nreqs++; 383 nreqs++;
… …
302 407
303 poll_wait (); 408 poll_wait ();
304 } 409 }
305} 410}
306 411
307static void 412static void end_thread (void)
308end_thread (void)
309{ 413{
310 aio_req req; 414 aio_req req;
311 Newz (0, req, 1, aio_cb); 415 Newz (0, req, 1, aio_cb);
312 req->type = REQ_QUIT; 416 req->type = REQ_QUIT;
313 417
314 send_req (req); 418 req_send (req);
315} 419}
316 420
317static void min_parallel (int nthreads) 421static void min_parallel (int nthreads)
318{ 422{
319 if (wanted < nthreads) 423 if (wanted < nthreads)
… …
364 * 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,
365 * but that's your problem, not mine. 469 * but that's your problem, not mine.
366 */ 470 */
367static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 471static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
368 472
369static ssize_t 473static 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{ 474{
372 ssize_t res; 475 ssize_t res;
373 off_t ooffset; 476 off_t ooffset;
374 477
375 pthread_mutex_lock (&preadwritelock); 478 pthread_mutex_lock (&preadwritelock);
… …
380 pthread_mutex_unlock (&preadwritelock); 483 pthread_mutex_unlock (&preadwritelock);
381 484
382 return res; 485 return res;
383} 486}
384 487
385static ssize_t
386pwrite (int fd, void *buf, size_t count, off_t offset) 488static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
387{ 489{
388 ssize_t res; 490 ssize_t res;
389 off_t ooffset; 491 off_t ooffset;
390 492
391 pthread_mutex_lock (&preadwritelock); 493 pthread_mutex_lock (&preadwritelock);
… …
404#endif 506#endif
405 507
406#if !HAVE_READAHEAD 508#if !HAVE_READAHEAD
407# define readahead aio_readahead 509# define readahead aio_readahead
408 510
409static ssize_t
410readahead (int fd, off_t offset, size_t count) 511static ssize_t readahead (int fd, off_t offset, size_t count)
411{ 512{
412 char readahead_buf[4096]; 513 char readahead_buf[4096];
413 514
414 while (count > 0) 515 while (count > 0)
415 { 516 {
… …
427#if !HAVE_READDIR_R 528#if !HAVE_READDIR_R
428# define readdir_r aio_readdir_r 529# define readdir_r aio_readdir_r
429 530
430static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 531static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
431 532
432static int
433readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 533static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
434{ 534{
435 struct dirent *e; 535 struct dirent *e;
436 int errorno; 536 int errorno;
437 537
438 pthread_mutex_lock (&readdirlock); 538 pthread_mutex_lock (&readdirlock);
… …
454 return e ? 0 : -1; 554 return e ? 0 : -1;
455} 555}
456#endif 556#endif
457 557
458/* sendfile always needs emulation */ 558/* sendfile always needs emulation */
459static ssize_t
460sendfile_ (int ofd, int ifd, off_t offset, size_t count) 559static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
461{ 560{
462 ssize_t res; 561 ssize_t res;
463 562
464 if (!count) 563 if (!count)
465 return 0; 564 return 0;
… …
547 646
548 return res; 647 return res;
549} 648}
550 649
551/* read a full directory */ 650/* read a full directory */
552static int
553scandir_ (const char *path, void **namesp) 651static int scandir_ (const char *path, void **namesp)
554{ 652{
555 DIR *dirp = opendir (path); 653 DIR *dirp = opendir (path);
556 union 654 union
557 { 655 {
558 struct dirent d; 656 struct dirent d;
… …
612 return res; 710 return res;
613} 711}
614 712
615/*****************************************************************************/ 713/*****************************************************************************/
616 714
617static void *
618aio_proc (void *thr_arg) 715static void *aio_proc (void *thr_arg)
619{ 716{
620 aio_req req; 717 aio_req req;
621 int type; 718 int type;
622 719
623 do 720 do
… …
642 739
643 pthread_mutex_unlock (&reqlock); 740 pthread_mutex_unlock (&reqlock);
644 741
645 errno = 0; /* strictly unnecessary */ 742 errno = 0; /* strictly unnecessary */
646 743
647 type = req->type; 744 if (!req->cancelled)
648
649 switch (type) 745 switch (req->type)
650 { 746 {
651 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;
652 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;
653 749
654 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;
655 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;
656 752
657 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 753 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
658 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 754 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
659 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 755 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
660 756
661 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;
662 case REQ_CLOSE: req->result = close (req->fd); break; 758 case REQ_CLOSE: req->result = close (req->fd); break;
663 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 759 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
664 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 760 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
761 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
762 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
665 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 763 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
666 764
667 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 765 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
668 case REQ_FSYNC: req->result = fsync (req->fd); break; 766 case REQ_FSYNC: req->result = fsync (req->fd); break;
669 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 767 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
670 768
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
671 case REQ_QUIT: 779 case REQ_QUIT:
672 break; 780 break;
673 781
674 default: 782 default:
675 req->result = ENOSYS; 783 req->result = ENOSYS;
676 break; 784 break;
677 } 785 }
678 786
679 req->errorno = errno; 787 req->errorno = errno;
680 788
681 pthread_mutex_lock (&reslock); 789 pthread_mutex_lock (&reslock);
682 790
… …
736 844
737 while (reqs) 845 while (reqs)
738 { 846 {
739 prv = reqs; 847 prv = reqs;
740 reqs = prv->next; 848 reqs = prv->next;
741 free_req (prv); 849 req_free (prv);
742 } 850 }
743 851
744 reqs = reqe = 0; 852 reqs = reqe = 0;
745 853
746 while (ress) 854 while (ress)
747 { 855 {
748 prv = ress; 856 prv = ress;
749 ress = prv->next; 857 ress = prv->next;
750 free_req (prv); 858 req_free (prv);
751 } 859 }
752 860
753 ress = rese = 0; 861 ress = rese = 0;
754 862
755 close (respipe [0]); 863 close (respipe [0]);
… …
761 869
762#define dREQ \ 870#define dREQ \
763 aio_req req; \ 871 aio_req req; \
764 \ 872 \
765 if (SvOK (callback) && !SvROK (callback)) \ 873 if (SvOK (callback) && !SvROK (callback)) \
766 croak ("clalback must be undef or of reference type"); \ 874 croak ("callback must be undef or of reference type"); \
767 \ 875 \
768 Newz (0, req, 1, aio_cb); \ 876 Newz (0, req, 1, aio_cb); \
769 if (!req) \ 877 if (!req) \
770 croak ("out of memory during aio_req allocation"); \ 878 croak ("out of memory during aio_req allocation"); \
771 \ 879 \
772 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));
773 887
774MODULE = IO::AIO PACKAGE = IO::AIO 888MODULE = IO::AIO PACKAGE = IO::AIO
775 889
776PROTOTYPES: ENABLE 890PROTOTYPES: ENABLE
777 891
778BOOT: 892BOOT:
779{ 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
780 create_pipe (); 899 create_pipe ();
781 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 900 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
782} 901}
783 902
784void 903void
785min_parallel(nthreads) 904min_parallel (nthreads)
786 int nthreads 905 int nthreads
787 PROTOTYPE: $ 906 PROTOTYPE: $
788 907
789void 908void
790max_parallel(nthreads) 909max_parallel (nthreads)
791 int nthreads 910 int nthreads
792 PROTOTYPE: $ 911 PROTOTYPE: $
793 912
794int 913int
795max_outstanding(nreqs) 914max_outstanding (nreqs)
796 int nreqs 915 int nreqs
797 PROTOTYPE: $ 916 PROTOTYPE: $
798 CODE: 917 CODE:
799 RETVAL = max_outstanding; 918 RETVAL = max_outstanding;
800 max_outstanding = nreqs; 919 max_outstanding = nreqs;
801 920
802void 921void
803aio_open(pathname,flags,mode,callback=&PL_sv_undef) 922aio_open (pathname,flags,mode,callback=&PL_sv_undef)
804 SV * pathname 923 SV * pathname
805 int flags 924 int flags
806 int mode 925 int mode
807 SV * callback 926 SV * callback
808 PROTOTYPE: $$$;$ 927 PROTOTYPE: $$$;$
809 CODE: 928 PPCODE:
810{ 929{
811 dREQ; 930 dREQ;
812 931
813 req->type = REQ_OPEN; 932 req->type = REQ_OPEN;
814 req->data = newSVsv (pathname); 933 req->data = newSVsv (pathname);
815 req->dataptr = SvPVbyte_nolen (req->data); 934 req->dataptr = SvPVbyte_nolen (req->data);
816 req->fd = flags; 935 req->fd = flags;
817 req->mode = mode; 936 req->mode = mode;
818 937
819 send_req (req); 938 REQ_SEND;
820} 939}
821 940
822void 941void
823aio_close(fh,callback=&PL_sv_undef) 942aio_close (fh,callback=&PL_sv_undef)
824 SV * fh 943 SV * fh
825 SV * callback 944 SV * callback
826 PROTOTYPE: $;$ 945 PROTOTYPE: $;$
827 ALIAS: 946 ALIAS:
828 aio_close = REQ_CLOSE 947 aio_close = REQ_CLOSE
829 aio_fsync = REQ_FSYNC 948 aio_fsync = REQ_FSYNC
830 aio_fdatasync = REQ_FDATASYNC 949 aio_fdatasync = REQ_FDATASYNC
831 CODE: 950 PPCODE:
832{ 951{
833 dREQ; 952 dREQ;
834 953
835 req->type = ix; 954 req->type = ix;
836 req->fh = newSVsv (fh); 955 req->fh = newSVsv (fh);
837 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 956 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
838 957
839 send_req (req); 958 REQ_SEND (req);
840} 959}
841 960
842void 961void
843aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 962aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
844 SV * fh 963 SV * fh
845 UV offset 964 UV offset
846 UV length 965 UV length
847 SV * data 966 SV * data
848 UV dataoffset 967 UV dataoffset
849 SV * callback 968 SV * callback
850 ALIAS: 969 ALIAS:
851 aio_read = REQ_READ 970 aio_read = REQ_READ
852 aio_write = REQ_WRITE 971 aio_write = REQ_WRITE
853 PROTOTYPE: $$$$$;$ 972 PROTOTYPE: $$$$$;$
854 CODE: 973 PPCODE:
855{ 974{
856 aio_req req; 975 aio_req req;
857 STRLEN svlen; 976 STRLEN svlen;
858 char *svptr = SvPVbyte (data, svlen); 977 char *svptr = SvPVbyte (data, svlen);
859 978
… …
897 { 1016 {
898 SvREADONLY_on (data); 1017 SvREADONLY_on (data);
899 req->data2ptr = (void *)data; 1018 req->data2ptr = (void *)data;
900 } 1019 }
901 1020
902 send_req (req); 1021 REQ_SEND;
903 } 1022 }
904} 1023}
905 1024
906void 1025void
907aio_sendfile(out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1026aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
908 SV * out_fh 1027 SV * out_fh
909 SV * in_fh 1028 SV * in_fh
910 UV in_offset 1029 UV in_offset
911 UV length 1030 UV length
912 SV * callback 1031 SV * callback
913 PROTOTYPE: $$$$;$ 1032 PROTOTYPE: $$$$;$
914 CODE: 1033 PPCODE:
915{ 1034{
916 dREQ; 1035 dREQ;
917 1036
918 req->type = REQ_SENDFILE; 1037 req->type = REQ_SENDFILE;
919 req->fh = newSVsv (out_fh); 1038 req->fh = newSVsv (out_fh);
… …
921 req->fh2 = newSVsv (in_fh); 1040 req->fh2 = newSVsv (in_fh);
922 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1041 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
923 req->offset = in_offset; 1042 req->offset = in_offset;
924 req->length = length; 1043 req->length = length;
925 1044
926 send_req (req); 1045 REQ_SEND;
927} 1046}
928 1047
929void 1048void
930aio_readahead(fh,offset,length,callback=&PL_sv_undef) 1049aio_readahead (fh,offset,length,callback=&PL_sv_undef)
931 SV * fh 1050 SV * fh
932 UV offset 1051 UV offset
933 IV length 1052 IV length
934 SV * callback 1053 SV * callback
935 PROTOTYPE: $$$;$ 1054 PROTOTYPE: $$$;$
936 CODE: 1055 PPCODE:
937{ 1056{
938 dREQ; 1057 dREQ;
939 1058
940 req->type = REQ_READAHEAD; 1059 req->type = REQ_READAHEAD;
941 req->fh = newSVsv (fh); 1060 req->fh = newSVsv (fh);
942 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1061 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
943 req->offset = offset; 1062 req->offset = offset;
944 req->length = length; 1063 req->length = length;
945 1064
946 send_req (req); 1065 REQ_SEND;
947} 1066}
948 1067
949void 1068void
950aio_stat(fh_or_path,callback=&PL_sv_undef) 1069aio_stat (fh_or_path,callback=&PL_sv_undef)
951 SV * fh_or_path 1070 SV * fh_or_path
952 SV * callback 1071 SV * callback
953 ALIAS: 1072 ALIAS:
954 aio_stat = REQ_STAT 1073 aio_stat = REQ_STAT
955 aio_lstat = REQ_LSTAT 1074 aio_lstat = REQ_LSTAT
956 CODE: 1075 PPCODE:
957{ 1076{
958 dREQ; 1077 dREQ;
959 1078
960 New (0, req->statdata, 1, Stat_t); 1079 New (0, req->statdata, 1, Stat_t);
961 if (!req->statdata) 1080 if (!req->statdata)
962 { 1081 {
963 free_req (req); 1082 req_free (req);
964 croak ("out of memory during aio_req->statdata allocation"); 1083 croak ("out of memory during aio_req->statdata allocation");
965 } 1084 }
966 1085
967 if (SvPOK (fh_or_path)) 1086 if (SvPOK (fh_or_path))
968 { 1087 {
… …
975 req->type = REQ_FSTAT; 1094 req->type = REQ_FSTAT;
976 req->fh = newSVsv (fh_or_path); 1095 req->fh = newSVsv (fh_or_path);
977 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1096 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
978 } 1097 }
979 1098
980 send_req (req); 1099 REQ_SEND;
981} 1100}
982 1101
983void 1102void
984aio_unlink(pathname,callback=&PL_sv_undef) 1103aio_unlink (pathname,callback=&PL_sv_undef)
985 SV * pathname 1104 SV * pathname
986 SV * callback 1105 SV * callback
987 ALIAS: 1106 ALIAS:
988 aio_unlink = REQ_UNLINK 1107 aio_unlink = REQ_UNLINK
989 aio_rmdir = REQ_RMDIR 1108 aio_rmdir = REQ_RMDIR
1109 aio_readdir = REQ_READDIR
990 CODE: 1110 PPCODE:
991{ 1111{
992 dREQ; 1112 dREQ;
993 1113
994 req->type = ix; 1114 req->type = ix;
995 req->data = newSVsv (pathname); 1115 req->data = newSVsv (pathname);
996 req->dataptr = SvPVbyte_nolen (req->data); 1116 req->dataptr = SvPVbyte_nolen (req->data);
997 1117
998 send_req (req); 1118 REQ_SEND;
999} 1119}
1000 1120
1001void 1121void
1002aio_symlink(oldpath,newpath,callback=&PL_sv_undef) 1122aio_link (oldpath,newpath,callback=&PL_sv_undef)
1003 SV * oldpath 1123 SV * oldpath
1004 SV * newpath 1124 SV * newpath
1005 SV * callback 1125 SV * callback
1126 ALIAS:
1127 aio_link = REQ_LINK
1128 aio_symlink = REQ_SYMLINK
1129 aio_rename = REQ_RENAME
1006 CODE: 1130 PPCODE:
1007{ 1131{
1008 dREQ; 1132 dREQ;
1009 1133
1010 req->type = REQ_SYMLINK; 1134 req->type = ix;
1011 req->fh = newSVsv (oldpath); 1135 req->fh = newSVsv (oldpath);
1012 req->data2ptr = SvPVbyte_nolen (req->fh); 1136 req->data2ptr = SvPVbyte_nolen (req->fh);
1013 req->data = newSVsv (newpath); 1137 req->data = newSVsv (newpath);
1014 req->dataptr = SvPVbyte_nolen (req->data); 1138 req->dataptr = SvPVbyte_nolen (req->data);
1015 1139
1016 send_req (req); 1140 REQ_SEND;
1017} 1141}
1018 1142
1019void 1143void
1020aio_readdir(pathname,callback=&PL_sv_undef) 1144aio_sleep (delay,callback=&PL_sv_undef)
1021 SV * pathname 1145 double delay
1022 SV * callback 1146 SV * callback
1023 CODE: 1147 PPCODE:
1024{ 1148{
1025 dREQ; 1149 dREQ;
1026 1150
1027 req->type = REQ_READDIR; 1151 req->type = REQ_SLEEP;
1028 req->data = newSVsv (pathname); 1152 req->fd = delay < 0. ? 0 : delay;
1029 req->dataptr = SvPVbyte_nolen (req->data); 1153 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1030
1031 send_req (req);
1032}
1033 1154
1155 REQ_SEND;
1156}
1157
1034void 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));
1171}
1172
1173void
1035flush() 1174flush ()
1036 PROTOTYPE: 1175 PROTOTYPE:
1037 CODE: 1176 CODE:
1038 while (nreqs) 1177 while (nreqs)
1039 { 1178 {
1040 poll_wait (); 1179 poll_wait ();
… …
1080 CODE: 1219 CODE:
1081 RETVAL = nreqs; 1220 RETVAL = nreqs;
1082 OUTPUT: 1221 OUTPUT:
1083 RETVAL 1222 RETVAL
1084 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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