… | |
… | |
11 | #include <stddef.h> |
11 | #include <stddef.h> |
12 | #include <stdlib.h> |
12 | #include <stdlib.h> |
13 | #include <errno.h> |
13 | #include <errno.h> |
14 | #include <sys/types.h> |
14 | #include <sys/types.h> |
15 | #include <sys/stat.h> |
15 | #include <sys/stat.h> |
|
|
16 | #include <sys/statvfs.h> |
16 | #include <limits.h> |
17 | #include <limits.h> |
17 | #include <fcntl.h> |
18 | #include <fcntl.h> |
18 | #include <sched.h> |
19 | #include <sched.h> |
|
|
20 | |
|
|
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
|
|
22 | # include <sys/mman.h> |
|
|
23 | #endif |
19 | |
24 | |
20 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
21 | #undef VERSION |
26 | #undef VERSION |
22 | |
27 | |
23 | #ifdef _WIN32 |
28 | #ifdef _WIN32 |
… | |
… | |
119 | |
124 | |
120 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
121 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
122 | # define NO_FADVISE 1 |
127 | # define NO_FADVISE 1 |
123 | #endif |
128 | #endif |
124 | |
|
|
125 | #ifndef POSIX_FADV_SEQUENTIAL |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
126 | # define POSIX_FADV_SEQUENTIAL 0 |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
127 | #endif |
131 | #endif |
128 | |
|
|
129 | #ifndef POSIX_FADV_RANDOM |
132 | #ifndef POSIX_FADV_RANDOM |
130 | # define POSIX_FADV_RANDOM 0 |
133 | # define POSIX_FADV_RANDOM 0 |
131 | #endif |
134 | #endif |
132 | |
|
|
133 | #ifndef POSIX_FADV_NOREUSE |
135 | #ifndef POSIX_FADV_NOREUSE |
134 | # define POSIX_FADV_NOREUSE 0 |
136 | # define POSIX_FADV_NOREUSE 0 |
135 | #endif |
137 | #endif |
136 | |
|
|
137 | #ifndef POSIX_FADV_WILLNEED |
138 | #ifndef POSIX_FADV_WILLNEED |
138 | # define POSIX_FADV_WILLNEED 0 |
139 | # define POSIX_FADV_WILLNEED 0 |
139 | #endif |
140 | #endif |
140 | |
|
|
141 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
142 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
|
|
143 | #endif |
|
|
144 | |
|
|
145 | #ifndef ST_NODEV |
|
|
146 | # define ST_NODEV 0 |
|
|
147 | #endif |
|
|
148 | #ifndef ST_NOEXEC |
|
|
149 | # define ST_NOEXEC 0 |
|
|
150 | #endif |
|
|
151 | #ifndef ST_SYNCHRONOUS |
|
|
152 | # define ST_SYNCHRONOUS 0 |
|
|
153 | #endif |
|
|
154 | #ifndef ST_MANDLOCK |
|
|
155 | # define ST_MANDLOCK 0 |
|
|
156 | #endif |
|
|
157 | #ifndef ST_WRITE |
|
|
158 | # define ST_WRITE 0 |
|
|
159 | #endif |
|
|
160 | #ifndef ST_APPEND |
|
|
161 | # define ST_APPEND 0 |
|
|
162 | #endif |
|
|
163 | #ifndef ST_IMMUTABLE |
|
|
164 | # define ST_IMMUTABLE 0 |
|
|
165 | #endif |
|
|
166 | #ifndef ST_NOATIME |
|
|
167 | # define ST_NOATIME 0 |
|
|
168 | #endif |
|
|
169 | #ifndef ST_NODIRATIME |
|
|
170 | # define ST_NODIRATIME 0 |
|
|
171 | #endif |
|
|
172 | #ifndef ST_RELATIME |
|
|
173 | # define ST_RELATIME 0 |
|
|
174 | #endif |
|
|
175 | |
|
|
176 | #ifndef MCL_CURRENT |
|
|
177 | # define MCL_CURRENT 0 |
|
|
178 | #endif |
|
|
179 | #ifndef MCL_FUTURE |
|
|
180 | # define MCL_FUTURE 0 |
|
|
181 | #endif |
|
|
182 | |
|
|
183 | #ifndef MAP_ANONYMOUS |
|
|
184 | # ifdef MAP_ANON |
|
|
185 | # define MAP_ANONYMOUS MAP_ANON |
|
|
186 | # else |
|
|
187 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
|
|
188 | # endif |
|
|
189 | #endif |
|
|
190 | #ifndef MAP_HUGETLB |
|
|
191 | # define MAP_HUGETLB 0 |
|
|
192 | #endif |
|
|
193 | #ifndef MAP_LOCKED |
|
|
194 | # define MAP_LOCKED 0 |
|
|
195 | #endif |
|
|
196 | #ifndef MAP_NORESERVE |
|
|
197 | # define MAP_NORESERVE 0 |
|
|
198 | #endif |
|
|
199 | #ifndef MAP_POPULATE |
|
|
200 | # define MAP_POPULATE 0 |
|
|
201 | #endif |
|
|
202 | #ifndef MAP_NONBLOCK |
|
|
203 | # define MAP_NONBLOCK 0 |
|
|
204 | #endif |
|
|
205 | |
|
|
206 | #ifndef PAGESIZE |
|
|
207 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
143 | #endif |
208 | #endif |
144 | |
209 | |
145 | static int req_invoke (eio_req *req); |
210 | static int req_invoke (eio_req *req); |
146 | #define EIO_FINISH(req) req_invoke (req) |
211 | #define EIO_FINISH(req) req_invoke (req) |
147 | static void req_destroy (eio_req *grp); |
212 | static void req_destroy (eio_req *grp); |
… | |
… | |
239 | } |
304 | } |
240 | } |
305 | } |
241 | |
306 | |
242 | static int req_invoke (eio_req *req) |
307 | static int req_invoke (eio_req *req) |
243 | { |
308 | { |
244 | dSP; |
|
|
245 | |
|
|
246 | if (req->flags & FLAG_SV2_RO_OFF) |
309 | if (req->flags & FLAG_SV2_RO_OFF) |
247 | SvREADONLY_off (req->sv2); |
310 | SvREADONLY_off (req->sv2); |
248 | |
311 | |
249 | if (!EIO_CANCELLED (req) && req->callback) |
312 | if (!EIO_CANCELLED (req) && req->callback) |
250 | { |
313 | { |
|
|
314 | dSP; |
|
|
315 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
316 | SV *sv_result; |
|
|
317 | |
251 | ENTER; |
318 | ENTER; |
252 | SAVETMPS; |
319 | SAVETMPS; |
253 | PUSHMARK (SP); |
320 | PUSHMARK (SP); |
254 | EXTEND (SP, 1); |
321 | EXTEND (SP, 1); |
|
|
322 | |
|
|
323 | /* do not recreate the result IV from scratch each time */ |
|
|
324 | if (expect_true (sv_result_cache)) |
|
|
325 | { |
|
|
326 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
327 | SvIV_set (sv_result, req->result); |
|
|
328 | } |
|
|
329 | else |
|
|
330 | { |
|
|
331 | sv_result = newSViv (req->result); |
|
|
332 | SvREADONLY_on (sv_result); |
|
|
333 | } |
255 | |
334 | |
256 | switch (req->type) |
335 | switch (req->type) |
257 | { |
336 | { |
258 | case EIO_READDIR: |
337 | case EIO_READDIR: |
259 | { |
338 | { |
… | |
… | |
345 | |
424 | |
346 | PUSHs (fh); |
425 | PUSHs (fh); |
347 | } |
426 | } |
348 | break; |
427 | break; |
349 | |
428 | |
|
|
429 | case EIO_STATVFS: |
|
|
430 | case EIO_FSTATVFS: |
|
|
431 | { |
|
|
432 | SV *rv = &PL_sv_undef; |
|
|
433 | |
|
|
434 | if (req->result >= 0) |
|
|
435 | { |
|
|
436 | EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
|
|
437 | HV *hv = newHV (); |
|
|
438 | |
|
|
439 | rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
|
|
440 | |
|
|
441 | hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
|
|
442 | hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
|
|
443 | hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
|
|
444 | hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
|
|
445 | hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
|
|
446 | hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
|
|
447 | hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
|
|
448 | hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
|
|
449 | hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
|
|
450 | hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
|
|
451 | hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
|
|
452 | } |
|
|
453 | |
|
|
454 | PUSHs (rv); |
|
|
455 | } |
|
|
456 | |
|
|
457 | break; |
|
|
458 | |
350 | case EIO_GROUP: |
459 | case EIO_GROUP: |
351 | req->int1 = 2; /* mark group as finished */ |
460 | req->int1 = 2; /* mark group as finished */ |
352 | |
461 | |
353 | if (req->sv1) |
462 | if (req->sv1) |
354 | { |
463 | { |
… | |
… | |
374 | case EIO_LSTAT: |
483 | case EIO_LSTAT: |
375 | case EIO_FSTAT: |
484 | case EIO_FSTAT: |
376 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
485 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
377 | PL_laststatval = req->result; |
486 | PL_laststatval = req->result; |
378 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
487 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
379 | PUSHs (sv_2mortal (newSViv (req->result))); |
488 | PUSHs (sv_result); |
380 | break; |
489 | break; |
381 | |
490 | |
382 | case EIO_READ: |
491 | case EIO_READ: |
383 | { |
492 | { |
384 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
493 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
385 | *SvEND (req->sv2) = 0; |
494 | *SvEND (req->sv2) = 0; |
386 | SvPOK_only (req->sv2); |
495 | SvPOK_only (req->sv2); |
387 | SvSETMAGIC (req->sv2); |
496 | SvSETMAGIC (req->sv2); |
388 | PUSHs (sv_2mortal (newSViv (req->result))); |
497 | PUSHs (sv_result); |
389 | } |
498 | } |
390 | break; |
499 | break; |
391 | |
500 | |
392 | case EIO_DUP2: |
501 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
393 | if (req->result > 0) |
502 | if (req->result > 0) |
394 | req->result = 0; |
503 | SvIV_set (sv_result, 0); |
395 | /* FALLTHROUGH */ |
504 | /* FALLTHROUGH */ |
396 | |
505 | |
397 | default: |
506 | default: |
398 | PUSHs (sv_2mortal (newSViv (req->result))); |
507 | PUSHs (sv_result); |
399 | break; |
508 | break; |
400 | } |
509 | } |
401 | |
510 | |
402 | errno = req->errorno; |
511 | errno = req->errorno; |
403 | |
512 | |
404 | PUTBACK; |
513 | PUTBACK; |
405 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
514 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
406 | SPAGAIN; |
515 | SPAGAIN; |
|
|
516 | |
|
|
517 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
518 | SvREFCNT_dec (sv_result); |
|
|
519 | else |
|
|
520 | sv_result_cache = sv_result; |
407 | |
521 | |
408 | FREETMPS; |
522 | FREETMPS; |
409 | LEAVE; |
523 | LEAVE; |
410 | |
524 | |
411 | PUTBACK; |
525 | PUTBACK; |
… | |
… | |
486 | |
600 | |
487 | static void atfork_child (void) |
601 | static void atfork_child (void) |
488 | { |
602 | { |
489 | create_respipe (); |
603 | create_respipe (); |
490 | } |
604 | } |
|
|
605 | |
|
|
606 | /*****************************************************************************/ |
|
|
607 | |
|
|
608 | #if !_POSIX_MAPPED_FILES |
|
|
609 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
610 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
611 | #endif |
|
|
612 | |
|
|
613 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
614 | |
|
|
615 | static int |
|
|
616 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
617 | { |
|
|
618 | int old_errno = errno; |
|
|
619 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
620 | errno = old_errno; |
|
|
621 | |
|
|
622 | mg->mg_obj = 0; /* just in case */ |
|
|
623 | |
|
|
624 | SvREADONLY_off (sv); |
|
|
625 | |
|
|
626 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
627 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
628 | |
|
|
629 | SvCUR_set (sv, 0); |
|
|
630 | SvPVX (sv) = 0; |
|
|
631 | SvOK_off (sv); |
|
|
632 | |
|
|
633 | return 0; |
|
|
634 | } |
|
|
635 | |
|
|
636 | static MGVTBL mmap_vtbl = { |
|
|
637 | 0, 0, 0, 0, mmap_free |
|
|
638 | }; |
|
|
639 | |
|
|
640 | /*****************************************************************************/ |
491 | |
641 | |
492 | static SV * |
642 | static SV * |
493 | get_cb (SV *cb_sv) |
643 | get_cb (SV *cb_sv) |
494 | { |
644 | { |
495 | SvGETMAGIC (cb_sv); |
645 | SvGETMAGIC (cb_sv); |
… | |
… | |
527 | { |
677 | { |
528 | static const struct { |
678 | static const struct { |
529 | const char *name; |
679 | const char *name; |
530 | IV iv; |
680 | IV iv; |
531 | } *civ, const_iv[] = { |
681 | } *civ, const_iv[] = { |
532 | # define const_iv(name, value) { # name, (IV) value }, |
682 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
683 | # define const_iv(name) { # name, (IV) name }, |
533 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
684 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
534 | const_iv (EXDEV , EXDEV) |
685 | const_iv (EXDEV) |
535 | const_iv (ENOSYS , ENOSYS) |
686 | const_iv (ENOSYS) |
536 | const_iv (O_RDONLY, O_RDONLY) |
687 | const_iv (O_RDONLY) |
537 | const_iv (O_WRONLY, O_WRONLY) |
688 | const_iv (O_WRONLY) |
|
|
689 | const_iv (O_RDWR) |
538 | const_iv (O_CREAT , O_CREAT) |
690 | const_iv (O_CREAT) |
539 | const_iv (O_TRUNC , O_TRUNC) |
691 | const_iv (O_TRUNC) |
|
|
692 | const_iv (O_EXCL) |
|
|
693 | const_iv (O_APPEND) |
540 | #ifndef _WIN32 |
694 | #ifndef _WIN32 |
541 | const_iv (S_IFIFO , S_IFIFO) |
695 | const_iv (S_IFIFO) |
542 | #endif |
696 | #endif |
543 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
697 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
544 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
698 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
545 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
699 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
546 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
700 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
547 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
701 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
548 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
702 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
|
|
703 | |
|
|
704 | const_iv (ST_RDONLY) |
|
|
705 | const_iv (ST_NOSUID) |
|
|
706 | const_iv (ST_NODEV) |
|
|
707 | const_iv (ST_NOEXEC) |
|
|
708 | const_iv (ST_SYNCHRONOUS) |
|
|
709 | const_iv (ST_MANDLOCK) |
|
|
710 | const_iv (ST_WRITE) |
|
|
711 | const_iv (ST_APPEND) |
|
|
712 | const_iv (ST_IMMUTABLE) |
|
|
713 | const_iv (ST_NOATIME) |
|
|
714 | const_iv (ST_NODIRATIME) |
|
|
715 | const_iv (ST_RELATIME) |
|
|
716 | |
|
|
717 | const_iv (PROT_EXEC) |
|
|
718 | const_iv (PROT_NONE) |
|
|
719 | const_iv (PROT_READ) |
|
|
720 | const_iv (PROT_WRITE) |
|
|
721 | |
|
|
722 | /*const_iv (MAP_FIXED)*/ |
|
|
723 | const_iv (MAP_PRIVATE) |
|
|
724 | const_iv (MAP_SHARED) |
|
|
725 | const_iv (MAP_ANONYMOUS) |
|
|
726 | |
|
|
727 | /* linuxish */ |
|
|
728 | const_iv (MAP_HUGETLB) |
|
|
729 | const_iv (MAP_LOCKED) |
|
|
730 | const_iv (MAP_NORESERVE) |
|
|
731 | const_iv (MAP_POPULATE) |
|
|
732 | const_iv (MAP_NONBLOCK) |
|
|
733 | |
|
|
734 | const_iv (MCL_FUTURE) |
|
|
735 | const_iv (MCL_CURRENT) |
|
|
736 | |
|
|
737 | const_eio (MS_ASYNC) |
|
|
738 | const_eio (MS_INVALIDATE) |
|
|
739 | const_eio (MS_SYNC) |
|
|
740 | |
|
|
741 | const_eio (MT_MODIFY) |
549 | |
742 | |
550 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
743 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
551 | const_eio (SYNC_FILE_RANGE_WRITE) |
744 | const_eio (SYNC_FILE_RANGE_WRITE) |
552 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
745 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
553 | |
746 | |
… | |
… | |
571 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
764 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
572 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
765 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
573 | |
766 | |
574 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
767 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
575 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
768 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
769 | |
|
|
770 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
576 | |
771 | |
577 | create_respipe (); |
772 | create_respipe (); |
578 | |
773 | |
579 | if (eio_init (want_poll, done_poll) < 0) |
774 | if (eio_init (want_poll, done_poll) < 0) |
580 | croak ("IO::AIO: unable to initialise eio library"); |
775 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
807 | } |
1002 | } |
808 | |
1003 | |
809 | void |
1004 | void |
810 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1005 | aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
811 | ALIAS: |
1006 | ALIAS: |
812 | aio_stat = EIO_STAT |
1007 | aio_stat = EIO_STAT |
813 | aio_lstat = EIO_LSTAT |
1008 | aio_lstat = EIO_LSTAT |
|
|
1009 | aio_statvfs = EIO_STATVFS |
814 | PPCODE: |
1010 | PPCODE: |
815 | { |
1011 | { |
816 | dREQ; |
1012 | dREQ; |
817 | |
1013 | |
818 | req->sv1 = newSVsv (fh_or_path); |
1014 | req->sv1 = newSVsv (fh_or_path); |
… | |
… | |
822 | req->type = ix; |
1018 | req->type = ix; |
823 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
1019 | req->ptr1 = SvPVbyte_nolen (req->sv1); |
824 | } |
1020 | } |
825 | else |
1021 | else |
826 | { |
1022 | { |
827 | req->type = EIO_FSTAT; |
1023 | req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
828 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1024 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
829 | } |
1025 | } |
830 | |
1026 | |
831 | REQ_SEND; |
1027 | REQ_SEND; |
832 | } |
1028 | } |
… | |
… | |
995 | |
1191 | |
996 | REQ_SEND; |
1192 | REQ_SEND; |
997 | } |
1193 | } |
998 | |
1194 | |
999 | void |
1195 | void |
|
|
1196 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
|
|
1197 | ALIAS: |
|
|
1198 | aio_mtouch = EIO_MTOUCH |
|
|
1199 | aio_msync = EIO_MSYNC |
|
|
1200 | PROTOTYPE: $$$$;$ |
|
|
1201 | PPCODE: |
|
|
1202 | { |
|
|
1203 | STRLEN svlen; |
|
|
1204 | UV len = SvUV (length); |
|
|
1205 | char *svptr = SvPVbyte (data, svlen); |
|
|
1206 | |
|
|
1207 | if (offset < 0) |
|
|
1208 | offset += svlen; |
|
|
1209 | |
|
|
1210 | if (offset < 0 || offset > svlen) |
|
|
1211 | croak ("offset outside of scalar"); |
|
|
1212 | |
|
|
1213 | if (!SvOK (length) || len + offset > svlen) |
|
|
1214 | len = svlen - offset; |
|
|
1215 | |
|
|
1216 | { |
|
|
1217 | dREQ; |
|
|
1218 | |
|
|
1219 | req->type = ix; |
|
|
1220 | req->size = len; |
|
|
1221 | req->sv2 = SvREFCNT_inc (data); |
|
|
1222 | req->ptr2 = (char *)svptr + offset; |
|
|
1223 | req->int1 = flags; |
|
|
1224 | |
|
|
1225 | REQ_SEND; |
|
|
1226 | } |
|
|
1227 | } |
|
|
1228 | |
|
|
1229 | void |
1000 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1230 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1001 | PPCODE: |
1231 | PPCODE: |
1002 | { |
1232 | { |
1003 | dREQ; |
1233 | dREQ; |
1004 | |
1234 | |
… | |
… | |
1135 | PROTOTYPE: $$$$ |
1365 | PROTOTYPE: $$$$ |
1136 | CODE: |
1366 | CODE: |
1137 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1367 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1138 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1368 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1139 | #else |
1369 | #else |
1140 | RETVAL = errno = ENOSYS; |
1370 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1141 | #endif |
1371 | #endif |
1142 | OUTPUT: |
1372 | OUTPUT: |
1143 | RETVAL |
1373 | RETVAL |
1144 | |
1374 | |
1145 | ssize_t |
1375 | ssize_t |
1146 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1376 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1147 | PROTOTYPE: $$$$ |
1377 | PROTOTYPE: $$$$ |
1148 | CODE: |
1378 | CODE: |
1149 | eio_sendfile_sync (ofh, ifh, offset, count); |
1379 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1380 | OUTPUT: |
|
|
1381 | RETVAL |
|
|
1382 | |
|
|
1383 | void |
|
|
1384 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1385 | PROTOTYPE: $$$$$;$ |
|
|
1386 | PPCODE: |
|
|
1387 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1388 | { |
|
|
1389 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1390 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1391 | if (addr == (void *)-1) |
|
|
1392 | XSRETURN_NO; |
|
|
1393 | |
|
|
1394 | sv_force_normal (scalar); |
|
|
1395 | |
|
|
1396 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1397 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1398 | ->mg_obj = (SV *)length; |
|
|
1399 | |
|
|
1400 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1401 | |
|
|
1402 | if (!(prot & PROT_WRITE)) |
|
|
1403 | SvREADONLY_on (scalar); |
|
|
1404 | |
|
|
1405 | if (SvLEN (scalar)) |
|
|
1406 | Safefree (SvPVX (scalar)); |
|
|
1407 | |
|
|
1408 | SvPVX (scalar) = (char *)addr; |
|
|
1409 | SvCUR_set (scalar, length); |
|
|
1410 | SvLEN_set (scalar, 0); |
|
|
1411 | SvPOK_only (scalar); |
|
|
1412 | |
|
|
1413 | XSRETURN_YES; |
|
|
1414 | } |
|
|
1415 | |
|
|
1416 | void |
|
|
1417 | munmap (SV *scalar) |
|
|
1418 | PROTOTYPE: $ |
|
|
1419 | CODE: |
|
|
1420 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1421 | |
|
|
1422 | int |
|
|
1423 | mlockall (int flags) |
|
|
1424 | PROTOTYPE: $ |
|
|
1425 | CODE: |
|
|
1426 | #if _POSIX_MEMLOCK |
|
|
1427 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
|
|
1428 | extern int mallopt (int, int); |
|
|
1429 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1430 | #endif |
|
|
1431 | mlockall (flags); |
|
|
1432 | #else |
|
|
1433 | RETVAL = -1; |
|
|
1434 | errno = ENOSYS; |
|
|
1435 | #endif |
|
|
1436 | OUTPUT: |
|
|
1437 | RETVAL |
|
|
1438 | |
|
|
1439 | int |
|
|
1440 | munlockall () |
|
|
1441 | PROTOTYPE: |
|
|
1442 | CODE: |
|
|
1443 | #if _POSIX_MEMLOCK |
|
|
1444 | munlockall (); |
|
|
1445 | #else |
|
|
1446 | RETVAL = -1; |
|
|
1447 | errno = ENOSYS; |
|
|
1448 | #endif |
|
|
1449 | OUTPUT: |
|
|
1450 | RETVAL |
1150 | |
1451 | |
1151 | void _on_next_submit (SV *cb) |
1452 | void _on_next_submit (SV *cb) |
1152 | CODE: |
1453 | CODE: |
1153 | SvREFCNT_dec (on_next_submit); |
1454 | SvREFCNT_dec (on_next_submit); |
1154 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1455 | on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |