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/cvs/IO-AIO/AIO.xs
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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.12 by root, Wed Jul 20 21:57:04 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;
117 + req->result > 0 ? req->result : 0); 117 + req->result > 0 ? req->result : 0);
118 118
119 if (req->data) 119 if (req->data)
120 SvREFCNT_dec (req->data); 120 SvREFCNT_dec (req->data);
121 121
122 if (req->fh)
123 SvREFCNT_dec (req->fh);
124
122 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)
123 { 126 {
124 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; 127 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
125 PL_laststatval = req->result; 128 PL_laststatval = req->result;
126 PL_statcache = *(req->statdata); 129 PL_statcache = *(req->statdata);
127 130
128 Safefree (req->statdata); 131 Safefree (req->statdata);
129 } 132 }
130 133
134 ENTER;
131 PUSHMARK (SP); 135 PUSHMARK (SP);
132 XPUSHs (sv_2mortal (newSViv (req->result))); 136 XPUSHs (sv_2mortal (newSViv (req->result)));
133 137
134 if (req->type == REQ_OPEN) 138 if (req->type == REQ_OPEN)
135 { 139 {
138 142
139 PUTBACK; 143 PUTBACK;
140 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 144 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
141 SPAGAIN; 145 SPAGAIN;
142 146
143 fh = POPs; 147 fh = SvREFCNT_inc (POPs);
144 148
145 PUSHMARK (SP); 149 PUSHMARK (SP);
146 XPUSHs (fh); 150 XPUSHs (sv_2mortal (fh));
147 } 151 }
148 152
149 if (SvOK (req->callback)) 153 if (SvOK (req->callback))
150 { 154 {
151 PUTBACK; 155 PUTBACK;
152 call_sv (req->callback, G_VOID | G_EVAL); 156 call_sv (req->callback, G_VOID | G_EVAL);
153 SPAGAIN; 157 SPAGAIN;
154 } 158 }
159
160 LEAVE;
155 161
156 if (req->callback) 162 if (req->callback)
157 SvREFCNT_dec (req->callback); 163 SvREFCNT_dec (req->callback);
158 164
159 errno = errorno; 165 errno = errorno;
223end_thread (void) 229end_thread (void)
224{ 230{
225 aio_req req; 231 aio_req req;
226 New (0, req, 1, aio_cb); 232 New (0, req, 1, aio_cb);
227 req->type = REQ_QUIT; 233 req->type = REQ_QUIT;
228
229 send_req (req);
230}
231
232static void
233read_write (int dowrite, int fd, off_t offset, size_t length,
234 SV *data, STRLEN dataoffset, SV *callback)
235{
236 aio_req req;
237 STRLEN svlen;
238 char *svptr = SvPV (data, svlen);
239
240 SvUPGRADE (data, SVt_PV);
241 SvPOK_on (data);
242
243 if (dataoffset < 0)
244 dataoffset += svlen;
245
246 if (dataoffset < 0 || dataoffset > svlen)
247 croak ("data offset outside of string");
248
249 if (dowrite)
250 {
251 /* write: check length and adjust. */
252 if (length < 0 || length + dataoffset > svlen)
253 length = svlen - dataoffset;
254 }
255 else
256 {
257 /* read: grow scalar as necessary */
258 svptr = SvGROW (data, length + dataoffset);
259 }
260
261 if (length < 0)
262 croak ("length must not be negative");
263
264 Newz (0, req, 1, aio_cb);
265
266 if (!req)
267 croak ("out of memory during aio_req allocation");
268
269 req->type = dowrite ? REQ_WRITE : REQ_READ;
270 req->fd = fd;
271 req->offset = offset;
272 req->length = length;
273 req->data = SvREFCNT_inc (data);
274 req->dataptr = (char *)svptr + dataoffset;
275 req->callback = SvREFCNT_inc (callback);
276 234
277 send_req (req); 235 send_req (req);
278} 236}
279 237
280static void * 238static void *
442 send_req (req); 400 send_req (req);
443} 401}
444 402
445void 403void
446aio_close(fh,callback=&PL_sv_undef) 404aio_close(fh,callback=&PL_sv_undef)
447 InputStream fh 405 SV * fh
448 SV * callback 406 SV * callback
449 PROTOTYPE: $;$ 407 PROTOTYPE: $;$
450 ALIAS: 408 ALIAS:
451 aio_close = REQ_CLOSE 409 aio_close = REQ_CLOSE
452 aio_fsync = REQ_FSYNC 410 aio_fsync = REQ_FSYNC
453 aio_fdatasync = REQ_FDATASYNC 411 aio_fdatasync = REQ_FDATASYNC
459 417
460 if (!req) 418 if (!req)
461 croak ("out of memory during aio_req allocation"); 419 croak ("out of memory during aio_req allocation");
462 420
463 req->type = ix; 421 req->type = ix;
422 req->fh = newSVsv (fh);
464 req->fd = PerlIO_fileno (fh); 423 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
465 req->callback = SvREFCNT_inc (callback); 424 req->callback = SvREFCNT_inc (callback);
466 425
467 send_req (req); 426 send_req (req);
468} 427}
469 428
470void 429void
471aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 430aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
472 InputStream fh 431 SV * fh
473 UV offset 432 UV offset
474 IV length 433 IV length
475 SV * data 434 SV * data
476 IV dataoffset 435 IV dataoffset
477 SV * callback 436 SV * callback
437 ALIAS:
438 aio_read = REQ_READ
439 aio_write = REQ_WRITE
478 PROTOTYPE: $$$$$;$ 440 PROTOTYPE: $$$$$;$
479 CODE: 441 CODE:
480 read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 442{
443 aio_req req;
444 STRLEN svlen;
445 char *svptr = SvPV (data, svlen);
481 446
482void 447 SvUPGRADE (data, SVt_PV);
483aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 448 SvPOK_on (data);
484 OutputStream fh 449
485 UV offset 450 if (dataoffset < 0)
486 IV length 451 dataoffset += svlen;
487 SV * data 452
488 IV dataoffset 453 if (dataoffset < 0 || dataoffset > svlen)
489 SV * callback 454 croak ("data offset outside of string");
490 PROTOTYPE: $$$$$;$ 455
491 CODE: 456 if (ix == REQ_WRITE)
492 read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); 457 {
458 /* write: check length and adjust. */
459 if (length < 0 || length + dataoffset > svlen)
460 length = svlen - dataoffset;
461 }
462 else
463 {
464 /* read: grow scalar as necessary */
465 svptr = SvGROW (data, length + dataoffset);
466 }
467
468 if (length < 0)
469 croak ("length must not be negative");
470
471 Newz (0, req, 1, aio_cb);
472
473 if (!req)
474 croak ("out of memory during aio_req allocation");
475
476 req->type = ix;
477 req->fh = newSVsv (fh);
478 req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh))
479 : IoOFP (sv_2io (fh)));
480 req->offset = offset;
481 req->length = length;
482 req->data = SvREFCNT_inc (data);
483 req->dataptr = (char *)svptr + dataoffset;
484 req->callback = SvREFCNT_inc (callback);
485
486 send_req (req);
487}
493 488
494void 489void
495aio_readahead(fh,offset,length,callback=&PL_sv_undef) 490aio_readahead(fh,offset,length,callback=&PL_sv_undef)
496 InputStream fh 491 SV * fh
497 UV offset 492 UV offset
498 IV length 493 IV length
499 SV * callback 494 SV * callback
500 PROTOTYPE: $$$;$ 495 PROTOTYPE: $$$;$
501 CODE: 496 CODE:
502{ 497{
503 aio_req req; 498 aio_req req;
504 499
509 504
510 if (!req) 505 if (!req)
511 croak ("out of memory during aio_req allocation"); 506 croak ("out of memory during aio_req allocation");
512 507
513 req->type = REQ_READAHEAD; 508 req->type = REQ_READAHEAD;
509 req->fh = newSVsv (fh);
514 req->fd = PerlIO_fileno (fh); 510 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
515 req->offset = offset; 511 req->offset = offset;
516 req->length = length; 512 req->length = length;
517 req->callback = SvREFCNT_inc (callback); 513 req->callback = SvREFCNT_inc (callback);
518 514
519 send_req (req); 515 send_req (req);
547 req->dataptr = SvPV_nolen (req->data); 543 req->dataptr = SvPV_nolen (req->data);
548 } 544 }
549 else 545 else
550 { 546 {
551 req->type = REQ_FSTAT; 547 req->type = REQ_FSTAT;
548 req->fh = newSVsv (fh_or_path);
552 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 549 req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
553 } 550 }
554 551
555 req->callback = SvREFCNT_inc (callback); 552 req->callback = SvREFCNT_inc (callback);
556 553

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