1 | #define _XOPEN_SOURCE 500 |
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2 | |
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3 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
4 | #include "perl.h" |
2 | #include "perl.h" |
5 | #include "XSUB.h" |
3 | #include "XSUB.h" |
6 | |
4 | |
7 | #include <sys/types.h> |
5 | #include <sys/types.h> |
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44 | off_t offset; |
42 | off_t offset; |
45 | size_t length; |
43 | size_t length; |
46 | ssize_t result; |
44 | ssize_t result; |
47 | mode_t mode; /* open */ |
45 | mode_t mode; /* open */ |
48 | int errorno; |
46 | int errorno; |
49 | SV *data, *callback; |
47 | SV *data, *callback, *fh; |
50 | void *dataptr; |
48 | void *dataptr; |
51 | STRLEN dataoffset; |
49 | STRLEN dataoffset; |
52 | |
50 | |
53 | Stat_t *statdata; |
51 | Stat_t *statdata; |
54 | } aio_cb; |
52 | } aio_cb; |
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117 | + req->result > 0 ? req->result : 0); |
115 | + req->result > 0 ? req->result : 0); |
118 | |
116 | |
119 | if (req->data) |
117 | if (req->data) |
120 | SvREFCNT_dec (req->data); |
118 | SvREFCNT_dec (req->data); |
121 | |
119 | |
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120 | if (req->fh) |
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121 | SvREFCNT_dec (req->fh); |
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122 | |
122 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
123 | if (req->type == REQ_STAT || req->type == REQ_LSTAT || req->type == REQ_FSTAT) |
123 | { |
124 | { |
124 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
125 | PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT; |
125 | PL_laststatval = req->result; |
126 | PL_laststatval = req->result; |
126 | PL_statcache = *(req->statdata); |
127 | PL_statcache = *(req->statdata); |
127 | |
128 | |
128 | Safefree (req->statdata); |
129 | Safefree (req->statdata); |
129 | } |
130 | } |
130 | |
131 | |
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132 | ENTER; |
131 | PUSHMARK (SP); |
133 | PUSHMARK (SP); |
132 | XPUSHs (sv_2mortal (newSViv (req->result))); |
134 | XPUSHs (sv_2mortal (newSViv (req->result))); |
133 | |
135 | |
134 | if (req->type == REQ_OPEN) |
136 | if (req->type == REQ_OPEN) |
135 | { |
137 | { |
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138 | |
140 | |
139 | PUTBACK; |
141 | PUTBACK; |
140 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
142 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
141 | SPAGAIN; |
143 | SPAGAIN; |
142 | |
144 | |
143 | fh = POPs; |
145 | fh = SvREFCNT_inc (POPs); |
144 | |
146 | |
145 | PUSHMARK (SP); |
147 | PUSHMARK (SP); |
146 | XPUSHs (fh); |
148 | XPUSHs (sv_2mortal (fh)); |
147 | } |
149 | } |
148 | |
150 | |
149 | if (SvOK (req->callback)) |
151 | if (SvOK (req->callback)) |
150 | { |
152 | { |
151 | PUTBACK; |
153 | PUTBACK; |
152 | call_sv (req->callback, G_VOID | G_EVAL); |
154 | call_sv (req->callback, G_VOID | G_EVAL); |
153 | SPAGAIN; |
155 | SPAGAIN; |
154 | } |
156 | } |
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157 | |
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158 | LEAVE; |
155 | |
159 | |
156 | if (req->callback) |
160 | if (req->callback) |
157 | SvREFCNT_dec (req->callback); |
161 | SvREFCNT_dec (req->callback); |
158 | |
162 | |
159 | errno = errorno; |
163 | errno = errorno; |
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223 | end_thread (void) |
227 | end_thread (void) |
224 | { |
228 | { |
225 | aio_req req; |
229 | aio_req req; |
226 | New (0, req, 1, aio_cb); |
230 | New (0, req, 1, aio_cb); |
227 | req->type = REQ_QUIT; |
231 | req->type = REQ_QUIT; |
228 | |
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229 | send_req (req); |
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230 | } |
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231 | |
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232 | static void |
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233 | read_write (int dowrite, int fd, off_t offset, size_t length, |
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234 | SV *data, STRLEN dataoffset, SV *callback) |
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235 | { |
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236 | aio_req req; |
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237 | STRLEN svlen; |
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238 | char *svptr = SvPV (data, svlen); |
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239 | |
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240 | SvUPGRADE (data, SVt_PV); |
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241 | SvPOK_on (data); |
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242 | |
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243 | if (dataoffset < 0) |
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244 | dataoffset += svlen; |
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245 | |
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246 | if (dataoffset < 0 || dataoffset > svlen) |
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247 | croak ("data offset outside of string"); |
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248 | |
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249 | if (dowrite) |
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250 | { |
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251 | /* write: check length and adjust. */ |
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252 | if (length < 0 || length + dataoffset > svlen) |
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253 | length = svlen - dataoffset; |
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254 | } |
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255 | else |
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256 | { |
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257 | /* read: grow scalar as necessary */ |
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258 | svptr = SvGROW (data, length + dataoffset); |
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259 | } |
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260 | |
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261 | if (length < 0) |
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262 | croak ("length must not be negative"); |
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263 | |
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264 | Newz (0, req, 1, aio_cb); |
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265 | |
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266 | if (!req) |
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267 | croak ("out of memory during aio_req allocation"); |
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268 | |
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269 | req->type = dowrite ? REQ_WRITE : REQ_READ; |
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270 | req->fd = fd; |
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271 | req->offset = offset; |
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272 | req->length = length; |
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273 | req->data = SvREFCNT_inc (data); |
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274 | req->dataptr = (char *)svptr + dataoffset; |
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275 | req->callback = SvREFCNT_inc (callback); |
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276 | |
232 | |
277 | send_req (req); |
233 | send_req (req); |
278 | } |
234 | } |
279 | |
235 | |
280 | static void * |
236 | static void * |
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442 | send_req (req); |
398 | send_req (req); |
443 | } |
399 | } |
444 | |
400 | |
445 | void |
401 | void |
446 | aio_close(fh,callback=&PL_sv_undef) |
402 | aio_close(fh,callback=&PL_sv_undef) |
447 | InputStream fh |
403 | SV * fh |
448 | SV * callback |
404 | SV * callback |
449 | PROTOTYPE: $;$ |
405 | PROTOTYPE: $;$ |
450 | ALIAS: |
406 | ALIAS: |
451 | aio_close = REQ_CLOSE |
407 | aio_close = REQ_CLOSE |
452 | aio_fsync = REQ_FSYNC |
408 | aio_fsync = REQ_FSYNC |
453 | aio_fdatasync = REQ_FDATASYNC |
409 | aio_fdatasync = REQ_FDATASYNC |
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459 | |
415 | |
460 | if (!req) |
416 | if (!req) |
461 | croak ("out of memory during aio_req allocation"); |
417 | croak ("out of memory during aio_req allocation"); |
462 | |
418 | |
463 | req->type = ix; |
419 | req->type = ix; |
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420 | req->fh = newSVsv (fh); |
464 | req->fd = PerlIO_fileno (fh); |
421 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
465 | req->callback = SvREFCNT_inc (callback); |
422 | req->callback = SvREFCNT_inc (callback); |
466 | |
423 | |
467 | send_req (req); |
424 | send_req (req); |
468 | } |
425 | } |
469 | |
426 | |
470 | void |
427 | void |
471 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
428 | aio_read(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
472 | InputStream fh |
429 | SV * fh |
473 | UV offset |
430 | UV offset |
474 | IV length |
431 | IV length |
475 | SV * data |
432 | SV * data |
476 | IV dataoffset |
433 | IV dataoffset |
477 | SV * callback |
434 | SV * callback |
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435 | ALIAS: |
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436 | aio_read = REQ_READ |
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437 | aio_write = REQ_WRITE |
478 | PROTOTYPE: $$$$$;$ |
438 | PROTOTYPE: $$$$$;$ |
479 | CODE: |
439 | CODE: |
480 | read_write (0, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
440 | { |
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441 | aio_req req; |
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442 | STRLEN svlen; |
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443 | char *svptr = SvPV (data, svlen); |
481 | |
444 | |
482 | void |
445 | SvUPGRADE (data, SVt_PV); |
483 | aio_write(fh,offset,length,data,dataoffset,callback=&PL_sv_undef) |
446 | SvPOK_on (data); |
484 | OutputStream fh |
447 | |
485 | UV offset |
448 | if (dataoffset < 0) |
486 | IV length |
449 | dataoffset += svlen; |
487 | SV * data |
450 | |
488 | IV dataoffset |
451 | if (dataoffset < 0 || dataoffset > svlen) |
489 | SV * callback |
452 | croak ("data offset outside of string"); |
490 | PROTOTYPE: $$$$$;$ |
453 | |
491 | CODE: |
454 | if (ix == REQ_WRITE) |
492 | read_write (1, PerlIO_fileno (fh), offset, length, data, dataoffset, callback); |
455 | { |
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456 | /* write: check length and adjust. */ |
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457 | if (length < 0 || length + dataoffset > svlen) |
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458 | length = svlen - dataoffset; |
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459 | } |
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460 | else |
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461 | { |
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462 | /* read: grow scalar as necessary */ |
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463 | svptr = SvGROW (data, length + dataoffset); |
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464 | } |
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465 | |
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466 | if (length < 0) |
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467 | croak ("length must not be negative"); |
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468 | |
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469 | Newz (0, req, 1, aio_cb); |
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470 | |
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471 | if (!req) |
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472 | croak ("out of memory during aio_req allocation"); |
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473 | |
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474 | req->type = ix; |
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475 | req->fh = newSVsv (fh); |
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476 | req->fd = PerlIO_fileno (ix == REQ_READ ? IoIFP (sv_2io (fh)) |
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477 | : IoOFP (sv_2io (fh))); |
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478 | req->offset = offset; |
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479 | req->length = length; |
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480 | req->data = SvREFCNT_inc (data); |
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481 | req->dataptr = (char *)svptr + dataoffset; |
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482 | req->callback = SvREFCNT_inc (callback); |
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483 | |
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484 | send_req (req); |
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485 | } |
493 | |
486 | |
494 | void |
487 | void |
495 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
488 | aio_readahead(fh,offset,length,callback=&PL_sv_undef) |
496 | InputStream fh |
489 | SV * fh |
497 | UV offset |
490 | UV offset |
498 | IV length |
491 | IV length |
499 | SV * callback |
492 | SV * callback |
500 | PROTOTYPE: $$$;$ |
493 | PROTOTYPE: $$$;$ |
501 | CODE: |
494 | CODE: |
502 | { |
495 | { |
503 | aio_req req; |
496 | aio_req req; |
504 | |
497 | |
… | |
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509 | |
502 | |
510 | if (!req) |
503 | if (!req) |
511 | croak ("out of memory during aio_req allocation"); |
504 | croak ("out of memory during aio_req allocation"); |
512 | |
505 | |
513 | req->type = REQ_READAHEAD; |
506 | req->type = REQ_READAHEAD; |
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507 | req->fh = newSVsv (fh); |
514 | req->fd = PerlIO_fileno (fh); |
508 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
515 | req->offset = offset; |
509 | req->offset = offset; |
516 | req->length = length; |
510 | req->length = length; |
517 | req->callback = SvREFCNT_inc (callback); |
511 | req->callback = SvREFCNT_inc (callback); |
518 | |
512 | |
519 | send_req (req); |
513 | send_req (req); |
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547 | req->dataptr = SvPV_nolen (req->data); |
541 | req->dataptr = SvPV_nolen (req->data); |
548 | } |
542 | } |
549 | else |
543 | else |
550 | { |
544 | { |
551 | req->type = REQ_FSTAT; |
545 | req->type = REQ_FSTAT; |
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546 | req->fh = newSVsv (fh_or_path); |
552 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
547 | req->fd = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
553 | } |
548 | } |
554 | |
549 | |
555 | req->callback = SvREFCNT_inc (callback); |
550 | req->callback = SvREFCNT_inc (callback); |
556 | |
551 | |