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 1.11 by root, Wed Jul 20 21:55:27 2005 UTC vs.
Revision 1.13 by root, Fri Jul 22 08:25:22 2005 UTC

44 off_t offset; 44 off_t offset;
45 size_t length; 45 size_t length;
46 ssize_t result; 46 ssize_t result;
47 mode_t mode; /* open */ 47 mode_t mode; /* open */
48 int errorno; 48 int errorno;
49 SV *data, *callback; 49 SV *data, *callback, *fh;
50 void *dataptr; 50 void *dataptr;
51 STRLEN dataoffset; 51 STRLEN dataoffset;
52 52
53 Stat_t *statdata; 53 Stat_t *statdata;
54} aio_cb; 54} aio_cb;
84poll_cb () 84poll_cb ()
85{ 85{
86 dSP; 86 dSP;
87 int count = 0; 87 int count = 0;
88 aio_req req, prv; 88 aio_req req, prv;
89
90 static int rl;//D
91 //printf ("%d ENTER\n", ++rl);//D
92 89
93 pthread_mutex_lock (&reslock); 90 pthread_mutex_lock (&reslock);
94 91
95 { 92 {
96 /* read any signals sent by the worker threads */ 93 /* read any signals sent by the worker threads */
105 pthread_mutex_unlock (&reslock); 102 pthread_mutex_unlock (&reslock);
106 103
107 while (req) 104 while (req)
108 { 105 {
109 nreqs--; 106 nreqs--;
110 //printf ("%d count %d %p->%p\n", rl, count, req, req->next);//D
111 107
112 if (req->type == REQ_QUIT) 108 if (req->type == REQ_QUIT)
113 started--; 109 started--;
114 else 110 else
115 { 111 {
121 + req->result > 0 ? req->result : 0); 117 + req->result > 0 ? req->result : 0);
122 118
123 if (req->data) 119 if (req->data)
124 SvREFCNT_dec (req->data); 120 SvREFCNT_dec (req->data);
125 121
122 if (req->fh)
123 SvREFCNT_dec (req->fh);
124
126 if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) 125 if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT)
127 { 126 {
128 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 127 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
129 PL_laststatval = req->result; 128 PL_laststatval = req->result;
130 PL_statcache = *(req->statdata); 129 PL_statcache = *(req->statdata);
131 130
132 Safefree (req->statdata); 131 Safefree (req->statdata);
133 } 132 }
134 133
134 ENTER;
135 PUSHMARK (SP); 135 PUSHMARK (SP);
136 XPUSHs (sv_2mortal (newSViv (req->result))); 136 XPUSHs (sv_2mortal (newSViv (req->result)));
137 137
138 if (req->type == REQ_OPEN) 138 if (req->type == REQ_OPEN)
139 { 139 {
142 142
143 PUTBACK; 143 PUTBACK;
144 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 144 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
145 SPAGAIN; 145 SPAGAIN;
146 146
147 fh = POPs; 147 fh = SvREFCNT_inc (POPs);
148 148
149 PUSHMARK (SP); 149 PUSHMARK (SP);
150 XPUSHs (fh); 150 XPUSHs (sv_2mortal (fh));
151 } 151 }
152 152
153 if (SvOK (req->callback)) 153 if (SvOK (req->callback))
154 { 154 {
155 PUTBACK; 155 PUTBACK;
156 call_sv (req->callback, G_VOID | G_EVAL); 156 call_sv (req->callback, G_VOID | G_EVAL);
157 SPAGAIN; 157 SPAGAIN;
158 } 158 }
159
160 LEAVE;
159 161
160 if (req->callback) 162 if (req->callback)
161 SvREFCNT_dec (req->callback); 163 SvREFCNT_dec (req->callback);
162 164
163 errno = errorno; 165 errno = errorno;
169 Safefree (prv); 171 Safefree (prv);
170 172
171 /* TODO: croak on errors? */ 173 /* TODO: croak on errors? */
172 } 174 }
173 175
174 //printf ("%d LEAVE %p %p\n", rl--, ress, rese);//D
175 return count; 176 return count;
176} 177}
177 178
178static void *aio_proc(void *arg); 179static void *aio_proc(void *arg);
179 180
228end_thread (void) 229end_thread (void)
229{ 230{
230 aio_req req; 231 aio_req req;
231 New (0, req, 1, aio_cb); 232 New (0, req, 1, aio_cb);
232 req->type = REQ_QUIT; 233 req->type = REQ_QUIT;
233
234 send_req (req);
235}
236
237static void
238read_write (int dowrite, int fd, off_t offset, size_t length,
239 SV *data, STRLEN dataoffset, SV *callback)
240{
241 aio_req req;
242 STRLEN svlen;
243 char *svptr = SvPV (data, svlen);
244
245 SvUPGRADE (data, SVt_PV);
246 SvPOK_on (data);
247
248 if (dataoffset < 0)
249 dataoffset += svlen;
250
251 if (dataoffset < 0 || dataoffset > svlen)
252 croak ("data offset outside of string");
253
254 if (dowrite)
255 {
256 /* write: check length and adjust. */
257 if (length < 0 || length + dataoffset > svlen)
258 length = svlen - dataoffset;
259 }
260 else
261 {
262 /* read: grow scalar as necessary */
263 svptr = SvGROW (data, length + dataoffset);
264 }
265
266 if (length < 0)
267 croak ("length must not be negative");
268
269 Newz (0, req, 1, aio_cb);
270
271 if (!req)
272 croak ("out of memory during aio_req allocation");
273
274 req->type = dowrite ? REQ_WRITE : REQ_READ;
275 req->fd = fd;
276 req->offset = offset;
277 req->length = length;
278 req->data = SvREFCNT_inc (data);
279 req->dataptr = (char *)svptr + dataoffset;
280 req->callback = SvREFCNT_inc (callback);
281 234
282 send_req (req); 235 send_req (req);
283} 236}
284 237
285static void * 238static void *
447 send_req (req); 400 send_req (req);
448} 401}
449 402
450void 403void
451aio_close(fh,callback=&PL_sv_undef) 404aio_close(fh,callback=&PL_sv_undef)
452 InputStream fh 405 SV * fh
453 SV * callback 406 SV * callback
454 PROTOTYPE: $;$ 407 PROTOTYPE: $;$
455 ALIAS: 408 ALIAS:
456 aio_close = REQ_CLOSE 409 aio_close = REQ_CLOSE
457 aio_fsync = REQ_FSYNC 410 aio_fsync = REQ_FSYNC
458 aio_fdatasync = REQ_FDATASYNC 411 aio_fdatasync = REQ_FDATASYNC
464 417
465 if (!req) 418 if (!req)
466 croak ("out of memory during aio_req allocation"); 419 croak ("out of memory during aio_req allocation");
467 420
468 req->type = ix; 421 req->type = ix;
422 req->fh = newSVsv (fh);
469 req->fd = PerlIO_fileno (fh); 423 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
470 req->callback = SvREFCNT_inc (callback); 424 req->callback = SvREFCNT_inc (callback);
471 425
472 send_req (req); 426 send_req (req);
473} 427}
474 428
475void 429void
476aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 430aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
477 InputStream fh 431 SV * fh
478 UV offset 432 UV offset
479 IV length 433 IV length
480 SV * data 434 SV * data
481 IV dataoffset 435 IV dataoffset
482 SV * callback 436 SV * callback
437 ALIAS:
438 aio_read = REQ_READ
439 aio_write = REQ_WRITE
483 PROTOTYPE: $$$$$;$ 440 PROTOTYPE: $$$$$;$
484 CODE: 441 CODE:
485 read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 442{
443 aio_req req;
444 STRLEN svlen;
445 char *svptr = SvPV (data, svlen);
486 446
487void 447 SvUPGRADE (data, SVt_PV);
488aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 448 SvPOK_on (data);
489 OutputStream fh 449
490 UV offset 450 if (dataoffset < 0)
491 IV length 451 dataoffset += svlen;
492 SV * data 452
493 IV dataoffset 453 if (dataoffset < 0 || dataoffset > svlen)
494 SV * callback 454 croak ("data offset outside of string");
495 PROTOTYPE: $$$$$;$ 455
496 CODE: 456 if (ix == REQ_WRITE)
497 read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 457 {
458 /* write: check length and adjust. */
459 if (length < 0 || length + dataoffset > svlen)
460 length = svlen - dataoffset;
461 }
462 else
463 {
464 /* read: grow scalar as necessary */
465 svptr = SvGROW (data, length + dataoffset);
466 }
467
468 if (length < 0)
469 croak ("length must not be negative");
470
471 Newz (0, req, 1, aio_cb);
472
473 if (!req)
474 croak ("out of memory during aio_req allocation");
475
476 req->type = ix;
477 req->fh = newSVsv (fh);
478 req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
479 : IoOFP (sv_2io (fh)));
480 req->offset = offset;
481 req->length = length;
482 req->data = SvREFCNT_inc (data);
483 req->dataptr = (char *)svptr + dataoffset;
484 req->callback = SvREFCNT_inc (callback);
485
486 send_req (req);
487}
498 488
499void 489void
500aio_readahead(fh,offset,length,callback=&PL_sv_undef) 490aio_readahead(fh,offset,length,callback=&PL_sv_undef)
501 InputStream fh 491 SV * fh
502 UV offset 492 UV offset
503 IV length 493 IV length
504 SV * callback 494 SV * callback
505 PROTOTYPE: $$$;$ 495 PROTOTYPE: $$$;$
506 CODE: 496 CODE:
507{ 497{
508 aio_req req; 498 aio_req req;
509 499
514 504
515 if (!req) 505 if (!req)
516 croak ("out of memory during aio_req allocation"); 506 croak ("out of memory during aio_req allocation");
517 507
518 req->type = REQ_READAHEAD; 508 req->type = REQ_READAHEAD;
509 req->fh = newSVsv (fh);
519 req->fd = PerlIO_fileno (fh); 510 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
520 req->offset = offset; 511 req->offset = offset;
521 req->length = length; 512 req->length = length;
522 req->callback = SvREFCNT_inc (callback); 513 req->callback = SvREFCNT_inc (callback);
523 514
524 send_req (req); 515 send_req (req);
552 req->dataptr = SvPV_nolen (req->data); 543 req->dataptr = SvPV_nolen (req->data);
553 } 544 }
554 else 545 else
555 { 546 {
556 req->type = REQ_FSTAT; 547 req->type = REQ_FSTAT;
548 req->fh = newSVsv (fh_or_path);
557 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 549 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
558 } 550 }
559 551
560 req->callback = SvREFCNT_inc (callback); 552 req->callback = SvREFCNT_inc (callback);
561 553

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines