ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.42 by root, Fri Jul 21 07:35:31 2006 UTC vs.
Revision 1.45 by root, Sun Oct 22 00:19:05 2006 UTC

… …
9 9
10#include <pthread.h> 10#include <pthread.h>
11 11
12#include <stddef.h> 12#include <stddef.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/time.h>
15#include <sys/select.h>
14#include <sys/types.h> 16#include <sys/types.h>
15#include <sys/stat.h> 17#include <sys/stat.h>
16#include <limits.h> 18#include <limits.h>
17#include <unistd.h> 19#include <unistd.h>
18#include <fcntl.h> 20#include <fcntl.h>
… …
53 REQ_STAT, REQ_LSTAT, REQ_FSTAT, 55 REQ_STAT, REQ_LSTAT, REQ_FSTAT,
54 REQ_FSYNC, REQ_FDATASYNC, 56 REQ_FSYNC, REQ_FDATASYNC,
55 REQ_UNLINK, REQ_RMDIR, REQ_RENAME, 57 REQ_UNLINK, REQ_RMDIR, REQ_RENAME,
56 REQ_READDIR, 58 REQ_READDIR,
57 REQ_LINK, REQ_SYMLINK, 59 REQ_LINK, REQ_SYMLINK,
60 REQ_SLEEP,
61 REQ_GROUP,
58}; 62};
59 63
64#define AIO_REQ_KLASS "IO::AIO::REQ"
65#define AIO_GRP_KLASS "IO::AIO::GRP"
66
60typedef struct aio_cb { 67typedef struct aio_cb
68{
69 struct aio_cb *grp, *grp_prev, *grp_next;
70
61 struct aio_cb *volatile next; 71 struct aio_cb *volatile next;
62 72
63 int type; 73 SV *self; /* the perl counterpart of this request, if any */
64 74
65 /* should receive a cleanup, with unions */ 75 SV *data, *callback;
66 int fd, fd2; 76 SV *fh, *fh2;
77 void *dataptr, *data2ptr;
78 Stat_t *statdata;
67 off_t offset; 79 off_t offset;
68 size_t length; 80 size_t length;
69 ssize_t result; 81 ssize_t result;
82
83 int type;
84 int fd, fd2;
85 int errorno;
86 STRLEN dataoffset;
70 mode_t mode; /* open */ 87 mode_t mode; /* open */
71 int errorno; 88 unsigned char cancelled;
72 SV *data, *callback;
73 SV *fh, *fh2;
74 void *dataptr, *data2ptr;
75 STRLEN dataoffset;
76
77 Stat_t *statdata;
78} aio_cb; 89} aio_cb;
79 90
80typedef aio_cb *aio_req; 91typedef aio_cb *aio_req;
92typedef aio_cb *aio_req_ornot;
93typedef aio_cb *aio_group;
81 94
82static int started, wanted; 95static int started, wanted;
83static volatile int nreqs; 96static volatile int nreqs;
84static int max_outstanding = 1<<30; 97static int max_outstanding = 1<<30;
85static int respipe [2]; 98static int respipe [2];
… …
89static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 102static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;
90 103
91static volatile aio_req reqs, reqe; /* queue start, queue end */ 104static volatile aio_req reqs, reqe; /* queue start, queue end */
92static volatile aio_req ress, rese; /* queue start, queue end */ 105static volatile aio_req ress, rese; /* queue start, queue end */
93 106
94static void free_req (aio_req req) 107static void req_free (aio_req req);
95{
96 if (req->data)
97 SvREFCNT_dec (req->data);
98 108
99 if (req->fh) 109/* must be called at most once */
100 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);
101 114
102 if (req->fh2) 115 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1)));
103 SvREFCNT_dec (req->fh2);
104
105 if (req->statdata)
106 Safefree (req->statdata);
107
108 if (req->callback)
109 SvREFCNT_dec (req->callback);
110
111 if (req->type == REQ_READDIR && req->result >= 0)
112 free (req->data2ptr);
113
114 Safefree (req);
115} 116}
116 117
117static void 118static aio_req SvAIO_REQ (SV *sv)
118poll_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 ()
119{ 129{
120 if (nreqs && !ress) 130 if (nreqs && !ress)
121 { 131 {
122 fd_set rfd; 132 fd_set rfd;
123 FD_ZERO(&rfd); 133 FD_ZERO(&rfd);
… …
125 135
126 select (respipe [0] + 1, &rfd, 0, 0, 0); 136 select (respipe [0] + 1, &rfd, 0, 0, 0);
127 } 137 }
128} 138}
129 139
130static int 140static void req_invoke (aio_req req)
131poll_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 ()
132{ 280{
133 dSP; 281 dSP;
134 int count = 0; 282 int count = 0;
135 int do_croak = 0; 283 int do_croak = 0;
136 aio_req req; 284 aio_req req;
… …
162 310
163 nreqs--; 311 nreqs--;
164 312
165 if (req->type == REQ_QUIT) 313 if (req->type == REQ_QUIT)
166 started--; 314 started--;
315 else if (req->type == REQ_GROUP && req->grp_next != req)
316 continue;
167 else 317 else
168 { 318 {
169 int errorno = errno;
170 errno = req->errorno;
171
172 if (req->type == REQ_READ) 319 if (req->type == REQ_READ)
173 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));
174 321
175 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE)) 322 if (req->data2ptr && (req->type == REQ_READ || req->type == REQ_WRITE))
176 SvREADONLY_off (req->data); 323 SvREADONLY_off (req->data);
… …
180 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 327 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
181 PL_laststatval = req->result; 328 PL_laststatval = req->result;
182 PL_statcache = *(req->statdata); 329 PL_statcache = *(req->statdata);
183 } 330 }
184 331
185 ENTER; 332 req_invoke (req);
186 PUSHMARK (SP);
187 333
188 if (req->type == REQ_READDIR)
189 {
190 SV *rv = &PL_sv_undef;
191
192 if (req->result >= 0)
193 {
194 char *buf = req->data2ptr;
195 AV *av = newAV ();
196
197 while (req->result)
198 {
199 SV *sv = newSVpv (buf, 0);
200
201 av_push (av, sv);
202 buf += SvCUR (sv) + 1;
203 req->result--;
204 }
205
206 rv = sv_2mortal (newRV_noinc ((SV *)av));
207 }
208
209 XPUSHs (rv);
210 }
211 else
212 {
213 XPUSHs (sv_2mortal (newSViv (req->result)));
214
215 if (req->type == REQ_OPEN)
216 {
217 /* convert fd to fh */
218 SV *fh;
219
220 PUTBACK;
221 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
222 SPAGAIN;
223
224 fh = SvREFCNT_inc (POPs);
225
226 PUSHMARK (SP);
227 XPUSHs (sv_2mortal (fh));
228 }
229 }
230
231 if (SvOK (req->callback))
232 {
233 PUTBACK;
234 call_sv (req->callback, G_VOID | G_EVAL);
235 SPAGAIN;
236
237 if (SvTRUE (ERRSV))
238 {
239 free_req (req);
240 croak (0);
241 }
242 }
243
244 LEAVE;
245
246 errno = errorno;
247 count++; 334 count++;
248 } 335 }
249 336
250 free_req (req); 337 req_free (req);
251 } 338 }
252 339
253 return count; 340 return count;
254} 341}
255 342
256static void *aio_proc(void *arg); 343static void *aio_proc(void *arg);
257 344
258static void
259start_thread (void) 345static void start_thread (void)
260{ 346{
261 sigset_t fullsigset, oldsigset; 347 sigset_t fullsigset, oldsigset;
262 pthread_t tid; 348 pthread_t tid;
263 pthread_attr_t attr; 349 pthread_attr_t attr;
264 350
… …
273 started++; 359 started++;
274 360
275 sigprocmask (SIG_SETMASK, &oldsigset, 0); 361 sigprocmask (SIG_SETMASK, &oldsigset, 0);
276} 362}
277 363
278static void 364static void req_send (aio_req req)
279send_req (aio_req req)
280{ 365{
281 while (started < wanted && nreqs >= started) 366 while (started < wanted && nreqs >= started)
282 start_thread (); 367 start_thread ();
283 368
284 nreqs++; 369 nreqs++;
… …
308 393
309 poll_wait (); 394 poll_wait ();
310 } 395 }
311} 396}
312 397
313static void 398static void end_thread (void)
314end_thread (void)
315{ 399{
316 aio_req req; 400 aio_req req;
317 Newz (0, req, 1, aio_cb); 401 Newz (0, req, 1, aio_cb);
318 req->type = REQ_QUIT; 402 req->type = REQ_QUIT;
319 403
320 send_req (req); 404 req_send (req);
321} 405}
322 406
323static void min_parallel (int nthreads) 407static void min_parallel (int nthreads)
324{ 408{
325 if (wanted < nthreads) 409 if (wanted < nthreads)
… …
370 * 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,
371 * but that's your problem, not mine. 455 * but that's your problem, not mine.
372 */ 456 */
373static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER; 457static pthread_mutex_t preadwritelock = PTHREAD_MUTEX_INITIALIZER;
374 458
375static ssize_t 459static ssize_t pread (int fd, void *buf, size_t count, off_t offset)
376pread (int fd, void *buf, size_t count, off_t offset)
377{ 460{
378 ssize_t res; 461 ssize_t res;
379 off_t ooffset; 462 off_t ooffset;
380 463
381 pthread_mutex_lock (&preadwritelock); 464 pthread_mutex_lock (&preadwritelock);
… …
386 pthread_mutex_unlock (&preadwritelock); 469 pthread_mutex_unlock (&preadwritelock);
387 470
388 return res; 471 return res;
389} 472}
390 473
391static ssize_t
392pwrite (int fd, void *buf, size_t count, off_t offset) 474static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset)
393{ 475{
394 ssize_t res; 476 ssize_t res;
395 off_t ooffset; 477 off_t ooffset;
396 478
397 pthread_mutex_lock (&preadwritelock); 479 pthread_mutex_lock (&preadwritelock);
… …
410#endif 492#endif
411 493
412#if !HAVE_READAHEAD 494#if !HAVE_READAHEAD
413# define readahead aio_readahead 495# define readahead aio_readahead
414 496
415static ssize_t
416readahead (int fd, off_t offset, size_t count) 497static ssize_t readahead (int fd, off_t offset, size_t count)
417{ 498{
418 char readahead_buf[4096]; 499 char readahead_buf[4096];
419 500
420 while (count > 0) 501 while (count > 0)
421 { 502 {
… …
433#if !HAVE_READDIR_R 514#if !HAVE_READDIR_R
434# define readdir_r aio_readdir_r 515# define readdir_r aio_readdir_r
435 516
436static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER; 517static pthread_mutex_t readdirlock = PTHREAD_MUTEX_INITIALIZER;
437 518
438static int
439readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) 519static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res)
440{ 520{
441 struct dirent *e; 521 struct dirent *e;
442 int errorno; 522 int errorno;
443 523
444 pthread_mutex_lock (&readdirlock); 524 pthread_mutex_lock (&readdirlock);
… …
460 return e ? 0 : -1; 540 return e ? 0 : -1;
461} 541}
462#endif 542#endif
463 543
464/* sendfile always needs emulation */ 544/* sendfile always needs emulation */
465static ssize_t
466sendfile_ (int ofd, int ifd, off_t offset, size_t count) 545static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count)
467{ 546{
468 ssize_t res; 547 ssize_t res;
469 548
470 if (!count) 549 if (!count)
471 return 0; 550 return 0;
… …
553 632
554 return res; 633 return res;
555} 634}
556 635
557/* read a full directory */ 636/* read a full directory */
558static int
559scandir_ (const char *path, void **namesp) 637static int scandir_ (const char *path, void **namesp)
560{ 638{
561 DIR *dirp = opendir (path); 639 DIR *dirp = opendir (path);
562 union 640 union
563 { 641 {
564 struct dirent d; 642 struct dirent d;
… …
618 return res; 696 return res;
619} 697}
620 698
621/*****************************************************************************/ 699/*****************************************************************************/
622 700
623static void *
624aio_proc (void *thr_arg) 701static void *aio_proc (void *thr_arg)
625{ 702{
626 aio_req req; 703 aio_req req;
627 int type; 704 int type;
628 705
629 do 706 do
… …
648 725
649 pthread_mutex_unlock (&reqlock); 726 pthread_mutex_unlock (&reqlock);
650 727
651 errno = 0; /* strictly unnecessary */ 728 errno = 0; /* strictly unnecessary */
652 729
653 type = req->type; 730 if (!req->cancelled)
654
655 switch (type) 731 switch (req->type)
656 { 732 {
657 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;
658 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;
659 735
660 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;
661 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;
662 738
663 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; 739 case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break;
664 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; 740 case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break;
665 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; 741 case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break;
666 742
667 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;
668 case REQ_CLOSE: req->result = close (req->fd); break; 744 case REQ_CLOSE: req->result = close (req->fd); break;
669 case REQ_UNLINK: req->result = unlink (req->dataptr); break; 745 case REQ_UNLINK: req->result = unlink (req->dataptr); break;
670 case REQ_RMDIR: req->result = rmdir (req->dataptr); break; 746 case REQ_RMDIR: req->result = rmdir (req->dataptr); break;
671 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; 747 case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break;
672 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; 748 case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break;
673 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; 749 case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break;
674 750
675 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; 751 case REQ_FDATASYNC: req->result = fdatasync (req->fd); break;
676 case REQ_FSYNC: req->result = fsync (req->fd); break; 752 case REQ_FSYNC: req->result = fsync (req->fd); break;
677 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; 753 case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break;
678 754
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
679 case REQ_QUIT: 765 case REQ_QUIT:
680 break; 766 break;
681 767
682 default: 768 default:
683 req->result = ENOSYS; 769 req->result = ENOSYS;
684 break; 770 break;
685 } 771 }
686 772
687 req->errorno = errno; 773 req->errorno = errno;
688 774
689 pthread_mutex_lock (&reslock); 775 pthread_mutex_lock (&reslock);
690 776
… …
744 830
745 while (reqs) 831 while (reqs)
746 { 832 {
747 prv = reqs; 833 prv = reqs;
748 reqs = prv->next; 834 reqs = prv->next;
749 free_req (prv); 835 req_free (prv);
750 } 836 }
751 837
752 reqs = reqe = 0; 838 reqs = reqe = 0;
753 839
754 while (ress) 840 while (ress)
755 { 841 {
756 prv = ress; 842 prv = ress;
757 ress = prv->next; 843 ress = prv->next;
758 free_req (prv); 844 req_free (prv);
759 } 845 }
760 846
761 ress = rese = 0; 847 ress = rese = 0;
762 848
763 close (respipe [0]); 849 close (respipe [0]);
… …
769 855
770#define dREQ \ 856#define dREQ \
771 aio_req req; \ 857 aio_req req; \
772 \ 858 \
773 if (SvOK (callback) && !SvROK (callback)) \ 859 if (SvOK (callback) && !SvROK (callback)) \
774 croak ("clalback must be undef or of reference type"); \ 860 croak ("callback must be undef or of reference type"); \
775 \ 861 \
776 Newz (0, req, 1, aio_cb); \ 862 Newz (0, req, 1, aio_cb); \
777 if (!req) \ 863 if (!req) \
778 croak ("out of memory during aio_req allocation"); \ 864 croak ("out of memory during aio_req allocation"); \
779 \ 865 \
780 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));
781 873
782MODULE = IO::AIO PACKAGE = IO::AIO 874MODULE = IO::AIO PACKAGE = IO::AIO
783 875
784PROTOTYPES: ENABLE 876PROTOTYPES: ENABLE
785 877
… …
817 SV * pathname 909 SV * pathname
818 int flags 910 int flags
819 int mode 911 int mode
820 SV * callback 912 SV * callback
821 PROTOTYPE: $$$;$ 913 PROTOTYPE: $$$;$
822 CODE: 914 PPCODE:
823{ 915{
824 dREQ; 916 dREQ;
825 917
826 req->type = REQ_OPEN; 918 req->type = REQ_OPEN;
827 req->data = newSVsv (pathname); 919 req->data = newSVsv (pathname);
828 req->dataptr = SvPVbyte_nolen (req->data); 920 req->dataptr = SvPVbyte_nolen (req->data);
829 req->fd = flags; 921 req->fd = flags;
830 req->mode = mode; 922 req->mode = mode;
831 923
832 send_req (req); 924 REQ_SEND;
833} 925}
834 926
835void 927void
836aio_close (fh,callback=&PL_sv_undef) 928aio_close (fh,callback=&PL_sv_undef)
837 SV * fh 929 SV * fh
… …
839 PROTOTYPE: $;$ 931 PROTOTYPE: $;$
840 ALIAS: 932 ALIAS:
841 aio_close = REQ_CLOSE 933 aio_close = REQ_CLOSE
842 aio_fsync = REQ_FSYNC 934 aio_fsync = REQ_FSYNC
843 aio_fdatasync = REQ_FDATASYNC 935 aio_fdatasync = REQ_FDATASYNC
844 CODE: 936 PPCODE:
845{ 937{
846 dREQ; 938 dREQ;
847 939
848 req->type = ix; 940 req->type = ix;
849 req->fh = newSVsv (fh); 941 req->fh = newSVsv (fh);
850 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 942 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
851 943
852 send_req (req); 944 REQ_SEND (req);
853} 945}
854 946
855void 947void
856aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 948aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
857 SV * fh 949 SV * fh
… …
862 SV * callback 954 SV * callback
863 ALIAS: 955 ALIAS:
864 aio_read = REQ_READ 956 aio_read = REQ_READ
865 aio_write = REQ_WRITE 957 aio_write = REQ_WRITE
866 PROTOTYPE: $$$$$;$ 958 PROTOTYPE: $$$$$;$
867 CODE: 959 PPCODE:
868{ 960{
869 aio_req req; 961 aio_req req;
870 STRLEN svlen; 962 STRLEN svlen;
871 char *svptr = SvPVbyte (data, svlen); 963 char *svptr = SvPVbyte (data, svlen);
872 964
… …
910 { 1002 {
911 SvREADONLY_on (data); 1003 SvREADONLY_on (data);
912 req->data2ptr = (void *)data; 1004 req->data2ptr = (void *)data;
913 } 1005 }
914 1006
915 send_req (req); 1007 REQ_SEND;
916 } 1008 }
917} 1009}
918 1010
919void 1011void
920aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef) 1012aio_sendfile (out_fh,in_fh,in_offset,length,callback=&PL_sv_undef)
… …
922 SV * in_fh 1014 SV * in_fh
923 UV in_offset 1015 UV in_offset
924 UV length 1016 UV length
925 SV * callback 1017 SV * callback
926 PROTOTYPE: $$$$;$ 1018 PROTOTYPE: $$$$;$
927 CODE: 1019 PPCODE:
928{ 1020{
929 dREQ; 1021 dREQ;
930 1022
931 req->type = REQ_SENDFILE; 1023 req->type = REQ_SENDFILE;
932 req->fh = newSVsv (out_fh); 1024 req->fh = newSVsv (out_fh);
… …
934 req->fh2 = newSVsv (in_fh); 1026 req->fh2 = newSVsv (in_fh);
935 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1027 req->fd2 = PerlIO_fileno (IoIFP (sv_2io (in_fh)));
936 req->offset = in_offset; 1028 req->offset = in_offset;
937 req->length = length; 1029 req->length = length;
938 1030
939 send_req (req); 1031 REQ_SEND;
940} 1032}
941 1033
942void 1034void
943aio_readahead (fh,offset,length,callback=&PL_sv_undef) 1035aio_readahead (fh,offset,length,callback=&PL_sv_undef)
944 SV * fh 1036 SV * fh
945 UV offset 1037 UV offset
946 IV length 1038 IV length
947 SV * callback 1039 SV * callback
948 PROTOTYPE: $$$;$ 1040 PROTOTYPE: $$$;$
949 CODE: 1041 PPCODE:
950{ 1042{
951 dREQ; 1043 dREQ;
952 1044
953 req->type = REQ_READAHEAD; 1045 req->type = REQ_READAHEAD;
954 req->fh = newSVsv (fh); 1046 req->fh = newSVsv (fh);
955 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); 1047 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
956 req->offset = offset; 1048 req->offset = offset;
957 req->length = length; 1049 req->length = length;
958 1050
959 send_req (req); 1051 REQ_SEND;
960} 1052}
961 1053
962void 1054void
963aio_stat (fh_or_path,callback=&PL_sv_undef) 1055aio_stat (fh_or_path,callback=&PL_sv_undef)
964 SV * fh_or_path 1056 SV * fh_or_path
965 SV * callback 1057 SV * callback
966 ALIAS: 1058 ALIAS:
967 aio_stat = REQ_STAT 1059 aio_stat = REQ_STAT
968 aio_lstat = REQ_LSTAT 1060 aio_lstat = REQ_LSTAT
969 CODE: 1061 PPCODE:
970{ 1062{
971 dREQ; 1063 dREQ;
972 1064
973 New (0, req->statdata, 1, Stat_t); 1065 New (0, req->statdata, 1, Stat_t);
974 if (!req->statdata) 1066 if (!req->statdata)
975 { 1067 {
976 free_req (req); 1068 req_free (req);
977 croak ("out of memory during aio_req->statdata allocation"); 1069 croak ("out of memory during aio_req->statdata allocation");
978 } 1070 }
979 1071
980 if (SvPOK (fh_or_path)) 1072 if (SvPOK (fh_or_path))
981 { 1073 {
… …
988 req->type = REQ_FSTAT; 1080 req->type = REQ_FSTAT;
989 req->fh = newSVsv (fh_or_path); 1081 req->fh = newSVsv (fh_or_path);
990 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1082 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
991 } 1083 }
992 1084
993 send_req (req); 1085 REQ_SEND;
994} 1086}
995 1087
996void 1088void
997aio_unlink (pathname,callback=&PL_sv_undef) 1089aio_unlink (pathname,callback=&PL_sv_undef)
998 SV * pathname 1090 SV * pathname
999 SV * callback 1091 SV * callback
1000 ALIAS: 1092 ALIAS:
1001 aio_unlink = REQ_UNLINK 1093 aio_unlink = REQ_UNLINK
1002 aio_rmdir = REQ_RMDIR 1094 aio_rmdir = REQ_RMDIR
1003 aio_readdir = REQ_READDIR 1095 aio_readdir = REQ_READDIR
1004 CODE: 1096 PPCODE:
1005{ 1097{
1006 dREQ; 1098 dREQ;
1007 1099
1008 req->type = ix; 1100 req->type = ix;
1009 req->data = newSVsv (pathname); 1101 req->data = newSVsv (pathname);
1010 req->dataptr = SvPVbyte_nolen (req->data); 1102 req->dataptr = SvPVbyte_nolen (req->data);
1011 1103
1012 send_req (req); 1104 REQ_SEND;
1013} 1105}
1014 1106
1015void 1107void
1016aio_link (oldpath,newpath,callback=&PL_sv_undef) 1108aio_link (oldpath,newpath,callback=&PL_sv_undef)
1017 SV * oldpath 1109 SV * oldpath
… …
1019 SV * callback 1111 SV * callback
1020 ALIAS: 1112 ALIAS:
1021 aio_link = REQ_LINK 1113 aio_link = REQ_LINK
1022 aio_symlink = REQ_SYMLINK 1114 aio_symlink = REQ_SYMLINK
1023 aio_rename = REQ_RENAME 1115 aio_rename = REQ_RENAME
1024 CODE: 1116 PPCODE:
1025{ 1117{
1026 dREQ; 1118 dREQ;
1027 1119
1028 req->type = ix; 1120 req->type = ix;
1029 req->fh = newSVsv (oldpath); 1121 req->fh = newSVsv (oldpath);
1030 req->data2ptr = SvPVbyte_nolen (req->fh); 1122 req->data2ptr = SvPVbyte_nolen (req->fh);
1031 req->data = newSVsv (newpath); 1123 req->data = newSVsv (newpath);
1032 req->dataptr = SvPVbyte_nolen (req->data); 1124 req->dataptr = SvPVbyte_nolen (req->data);
1033 1125
1034 send_req (req); 1126 REQ_SEND;
1035} 1127}
1036 1128
1037#if 0
1038
1039# undocumented, because it does not cancel active requests
1040void 1129void
1041cancel_most_requests () 1130aio_sleep (delay,callback=&PL_sv_undef)
1131 double delay
1132 SV * callback
1133 PPCODE:
1134{
1135 dREQ;
1136
1137 req->type = REQ_SLEEP;
1138 req->fd = delay < 0. ? 0 : delay;
1139 req->fd2 = delay < 0. ? 0 : 1000. * (delay - req->fd);
1140
1141 REQ_SEND;
1142}
1143
1144void
1145aio_group (callback=&PL_sv_undef)
1146 SV * callback
1042 PROTOTYPE: 1147 PROTOTYPE: ;&
1043 CODE: 1148 PPCODE:
1044{ 1149{
1045 aio_req *req; 1150 dREQ;
1151 req->type = REQ_GROUP;
1152 req->grp_next = req;
1153 req->grp_prev = req;
1046 1154
1047 pthread_mutex_lock (&reqlock); 1155 req_send (req);
1048 for (req = reqs; req; req = req->next) 1156 XPUSHs (req_sv (req, AIO_GRP_KLASS));
1049 req->flags |= 1;
1050 pthread_mutex_unlock (&reqlock);
1051
1052 pthread_mutex_lock (&reslock);
1053 for (req = ress; req; req = req->next)
1054 req->flags |= 1;
1055 pthread_mutex_unlock (&reslock);
1056} 1157}
1057
1058#endif
1059 1158
1060void 1159void
1061flush () 1160flush ()
1062 PROTOTYPE: 1161 PROTOTYPE:
1063 CODE: 1162 CODE:
… …
1106 CODE: 1205 CODE:
1107 RETVAL = nreqs; 1206 RETVAL = nreqs;
1108 OUTPUT: 1207 OUTPUT:
1109 RETVAL 1208 RETVAL
1110 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

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines