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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.158 by root, Sat Jan 2 14:11:32 2010 UTC vs.
Revision 1.174 by root, Mon Nov 1 22:03:43 2010 UTC

… …
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#if _XOPEN_SOURCE < 600 || NO_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif
213
214#ifndef MAP_ANONYMOUS
215# ifdef MAP_ANON
216# define MAP_ANONYMOUS MAP_ANON
217# else
218# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219# endif
220#endif
221#ifndef MAP_HUGETLB
222# define MAP_HUGETLB 0
223#endif
224#ifndef MAP_LOCKED
225# define MAP_LOCKED 0
226#endif
227#ifndef MAP_NORESERVE
228# define MAP_NORESERVE 0
229#endif
230#ifndef MAP_POPULATE
231# define MAP_POPULATE 0
232#endif
233#ifndef MAP_NONBLOCK
234# define MAP_NONBLOCK 0
235#endif
236
237#ifndef PAGESIZE
238# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 239#endif
144 240
145static int req_invoke (eio_req *req); 241static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 242#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 243static void req_destroy (eio_req *grp);
… …
239 } 335 }
240} 336}
241 337
242static int req_invoke (eio_req *req) 338static int req_invoke (eio_req *req)
243{ 339{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 340 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 341 SvREADONLY_off (req->sv2);
248 342
249 if (!EIO_CANCELLED (req) && req->callback) 343 if (!EIO_CANCELLED (req) && req->callback)
250 { 344 {
345 dSP;
346 static SV *sv_result_cache; /* caches the result integer SV */
347 SV *sv_result;
348
251 ENTER; 349 ENTER;
252 SAVETMPS; 350 SAVETMPS;
253 PUSHMARK (SP); 351 PUSHMARK (SP);
254 EXTEND (SP, 1); 352 EXTEND (SP, 1);
353
354 /* do not recreate the result IV from scratch each time */
355 if (expect_true (sv_result_cache))
356 {
357 sv_result = sv_result_cache; sv_result_cache = 0;
358 SvIV_set (sv_result, req->result);
359 }
360 else
361 {
362 sv_result = newSViv (req->result);
363 SvREADONLY_on (sv_result);
364 }
255 365
256 switch (req->type) 366 switch (req->type)
257 { 367 {
258 case EIO_READDIR: 368 case EIO_READDIR:
259 { 369 {
… …
345 455
346 PUSHs (fh); 456 PUSHs (fh);
347 } 457 }
348 break; 458 break;
349 459
460 case EIO_STATVFS:
461 case EIO_FSTATVFS:
462 {
463 SV *rv = &PL_sv_undef;
464
465 if (req->result >= 0)
466 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV ();
469
470 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
474 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 }
484
485 PUSHs (rv);
486 }
487
488 break;
489
350 case EIO_GROUP: 490 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 491 req->int1 = 2; /* mark group as finished */
352 492
353 if (req->sv1) 493 if (req->sv1)
354 { 494 {
… …
374 case EIO_LSTAT: 514 case EIO_LSTAT:
375 case EIO_FSTAT: 515 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 517 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
380 break; 520 break;
381 521
382 case EIO_READ: 522 case EIO_READ:
383 { 523 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
389 } 529 }
390 break; 530 break;
391 531
392 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393 if (req->result > 0) 533 if (req->result > 0)
394 req->result = 0; 534 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
396 536
397 default: 537 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
399 break; 539 break;
400 } 540 }
401 541
402 errno = req->errorno; 542 errno = req->errorno;
403 543
404 PUTBACK; 544 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 546 SPAGAIN;
547
548 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
549 SvREFCNT_dec (sv_result);
550 else
551 sv_result_cache = sv_result;
407 552
408 FREETMPS; 553 FREETMPS;
409 LEAVE; 554 LEAVE;
410 555
411 PUTBACK; 556 PUTBACK;
… …
486 631
487static void atfork_child (void) 632static void atfork_child (void)
488{ 633{
489 create_respipe (); 634 create_respipe ();
490} 635}
636
637/*****************************************************************************/
638
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643# define PROT_NONE 0
644# define PROT_WRITE 0
645# define MAP_PRIVATE 0
646# define MAP_SHARED 0
647# define MAP_FIXED 0
648#endif
649
650#define MMAP_MAGIC PERL_MAGIC_ext
651
652static int
653mmap_free (pTHX_ SV *sv, MAGIC *mg)
654{
655 int old_errno = errno;
656 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657 errno = old_errno;
658
659 mg->mg_obj = 0; /* just in case */
660
661 SvREADONLY_off (sv);
662
663 if (SvPVX (sv) != mg->mg_ptr)
664 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
665
666 SvCUR_set (sv, 0);
667 SvPVX (sv) = 0;
668 SvOK_off (sv);
669
670 return 0;
671}
672
673static MGVTBL mmap_vtbl = {
674 0, 0, 0, 0, mmap_free
675};
676
677/*****************************************************************************/
491 678
492static SV * 679static SV *
493get_cb (SV *cb_sv) 680get_cb (SV *cb_sv)
494{ 681{
495 SvGETMAGIC (cb_sv); 682 SvGETMAGIC (cb_sv);
… …
527{ 714{
528 static const struct { 715 static const struct {
529 const char *name; 716 const char *name;
530 IV iv; 717 IV iv;
531 } *civ, const_iv[] = { 718 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 719# define const_niv(name, value) { # name, (IV) value },
720# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 721# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 722 const_iv (EXDEV)
535 const_iv (ENOSYS , ENOSYS) 723 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 724 const_iv (O_RDONLY)
537 const_iv (O_WRONLY, O_WRONLY) 725 const_iv (O_WRONLY)
726 const_iv (O_RDWR)
538 const_iv (O_CREAT , O_CREAT) 727 const_iv (O_CREAT)
539 const_iv (O_TRUNC , O_TRUNC) 728 const_iv (O_TRUNC)
729 const_iv (O_EXCL)
730 const_iv (O_APPEND)
540#ifndef _WIN32 731#ifndef _WIN32
541 const_iv (S_IFIFO , S_IFIFO) 732 const_iv (S_IFIFO)
542#endif 733#endif
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 734 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 735 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 736 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 737 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 738 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 739 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
740
741 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
742 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
743 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
744 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
745 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
746
747 const_iv (ST_RDONLY)
748 const_iv (ST_NOSUID)
749 const_iv (ST_NODEV)
750 const_iv (ST_NOEXEC)
751 const_iv (ST_SYNCHRONOUS)
752 const_iv (ST_MANDLOCK)
753 const_iv (ST_WRITE)
754 const_iv (ST_APPEND)
755 const_iv (ST_IMMUTABLE)
756 const_iv (ST_NOATIME)
757 const_iv (ST_NODIRATIME)
758 const_iv (ST_RELATIME)
759
760 const_iv (PROT_NONE)
761 const_iv (PROT_EXEC)
762 const_iv (PROT_READ)
763 const_iv (PROT_WRITE)
764
765 /*const_iv (MAP_FIXED)*/
766 const_iv (MAP_PRIVATE)
767 const_iv (MAP_SHARED)
768 const_iv (MAP_ANONYMOUS)
769
770 /* linuxish */
771 const_iv (MAP_HUGETLB)
772 const_iv (MAP_LOCKED)
773 const_iv (MAP_NORESERVE)
774 const_iv (MAP_POPULATE)
775 const_iv (MAP_NONBLOCK)
776
777 const_eio (MCL_FUTURE)
778 const_eio (MCL_CURRENT)
549 779
550 const_eio (MS_ASYNC) 780 const_eio (MS_ASYNC)
551 const_eio (MS_INVALIDATE) 781 const_eio (MS_INVALIDATE)
552 const_eio (MS_SYNC) 782 const_eio (MS_SYNC)
553 783
… …
578 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 808 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
579 809
580 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 810 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
581 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 811 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
582 812
813 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814
583 create_respipe (); 815 create_respipe ();
584 816
585 if (eio_init (want_poll, done_poll) < 0) 817 if (eio_init (want_poll, done_poll) < 0)
586 croak ("IO::AIO: unable to initialise eio library"); 818 croak ("IO::AIO: unable to initialise eio library");
587 819
… …
625 CODE: 857 CODE:
626 max_outstanding = maxreqs; 858 max_outstanding = maxreqs;
627 859
628void 860void
629aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 861aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
630 PROTOTYPE: $$$;$
631 PPCODE: 862 PPCODE:
632{ 863{
633 dREQ; 864 dREQ;
634 865
635 req->type = EIO_OPEN; 866 req->type = EIO_OPEN;
… …
641 REQ_SEND; 872 REQ_SEND;
642} 873}
643 874
644void 875void
645aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 876aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
646 PROTOTYPE: $;$
647 ALIAS: 877 ALIAS:
648 aio_fsync = EIO_FSYNC 878 aio_fsync = EIO_FSYNC
649 aio_fdatasync = EIO_FDATASYNC 879 aio_fdatasync = EIO_FDATASYNC
650 PPCODE: 880 PPCODE:
651{ 881{
… …
659 REQ_SEND (req); 889 REQ_SEND (req);
660} 890}
661 891
662void 892void
663aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
664 PROTOTYPE: $$$$;$
665 PPCODE: 894 PPCODE:
666{ 895{
667 int fd = s_fileno_croak (fh, 0); 896 int fd = s_fileno_croak (fh, 0);
668 dREQ; 897 dREQ;
669 898
… …
677 REQ_SEND (req); 906 REQ_SEND (req);
678} 907}
679 908
680void 909void
681aio_close (SV *fh, SV *callback=&PL_sv_undef) 910aio_close (SV *fh, SV *callback=&PL_sv_undef)
682 PROTOTYPE: $;$
683 PPCODE: 911 PPCODE:
684{ 912{
685 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
686 int fd = s_fileno_croak (fh, 0); 914 int fd = s_fileno_croak (fh, 0);
687 dREQ; 915 dREQ;
… …
709void 937void
710aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
711 ALIAS: 939 ALIAS:
712 aio_read = EIO_READ 940 aio_read = EIO_READ
713 aio_write = EIO_WRITE 941 aio_write = EIO_WRITE
714 PROTOTYPE: $$$$$;$
715 PPCODE: 942 PPCODE:
716{ 943{
717 STRLEN svlen; 944 STRLEN svlen;
718 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 945 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
719 char *svptr = SvPVbyte (data, svlen); 946 char *svptr = SvPVbyte (data, svlen);
… …
760 } 987 }
761} 988}
762 989
763void 990void
764aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
765 PROTOTYPE: $$;$
766 PPCODE: 992 PPCODE:
767{ 993{
768 SV *data; 994 SV *data;
769 dREQ; 995 dREQ;
770 996
… …
775 REQ_SEND; 1001 REQ_SEND;
776} 1002}
777 1003
778void 1004void
779aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1005aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
780 PROTOTYPE: $$$$;$
781 PPCODE: 1006 PPCODE:
782{ 1007{
783 int ifd = s_fileno_croak (in_fh , 0); 1008 int ifd = s_fileno_croak (in_fh , 0);
784 int ofd = s_fileno_croak (out_fh, 1); 1009 int ofd = s_fileno_croak (out_fh, 1);
785 dREQ; 1010 dREQ;
… …
795 REQ_SEND; 1020 REQ_SEND;
796} 1021}
797 1022
798void 1023void
799aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$$;$
801 PPCODE: 1025 PPCODE:
802{ 1026{
803 int fd = s_fileno_croak (fh, 0); 1027 int fd = s_fileno_croak (fh, 0);
804 dREQ; 1028 dREQ;
805 1029
… …
813} 1037}
814 1038
815void 1039void
816aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1040aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
817 ALIAS: 1041 ALIAS:
818 aio_stat = EIO_STAT 1042 aio_stat = EIO_STAT
819 aio_lstat = EIO_LSTAT 1043 aio_lstat = EIO_LSTAT
1044 aio_statvfs = EIO_STATVFS
820 PPCODE: 1045 PPCODE:
821{ 1046{
822 dREQ; 1047 dREQ;
823 1048
824 req->sv1 = newSVsv (fh_or_path); 1049 req->sv1 = newSVsv (fh_or_path);
… …
828 req->type = ix; 1053 req->type = ix;
829 req->ptr1 = SvPVbyte_nolen (req->sv1); 1054 req->ptr1 = SvPVbyte_nolen (req->sv1);
830 } 1055 }
831 else 1056 else
832 { 1057 {
833 req->type = EIO_FSTAT; 1058 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
834 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
835 } 1060 }
836 1061
837 REQ_SEND; 1062 REQ_SEND;
838} 1063}
… …
1005void 1230void
1006aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1231aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1007 ALIAS: 1232 ALIAS:
1008 aio_mtouch = EIO_MTOUCH 1233 aio_mtouch = EIO_MTOUCH
1009 aio_msync = EIO_MSYNC 1234 aio_msync = EIO_MSYNC
1010 PROTOTYPE: $$$$;$
1011 PPCODE: 1235 PPCODE:
1012{ 1236{
1013 STRLEN svlen; 1237 STRLEN svlen;
1238 char *svptr = SvPVbyte (data, svlen);
1014 UV len = SvUV (length); 1239 UV len = SvUV (length);
1015 char *svptr = SvPVbyte (data, svlen);
1016 1240
1017 if (offset < 0) 1241 if (offset < 0)
1018 offset += svlen; 1242 offset += svlen;
1019 1243
1020 if (offset < 0 || offset > svlen) 1244 if (offset < 0 || offset > svlen)
… …
1025 1249
1026 { 1250 {
1027 dREQ; 1251 dREQ;
1028 1252
1029 req->type = ix; 1253 req->type = ix;
1030 req->size = len;
1031 req->sv2 = SvREFCNT_inc (data); 1254 req->sv2 = SvREFCNT_inc (data);
1032 req->ptr2 = (char *)svptr + offset; 1255 req->ptr2 = (char *)svptr + offset;
1256 req->size = len;
1033 req->int1 = flags; 1257 req->int1 = flags;
1034 1258
1035 REQ_SEND; 1259 REQ_SEND;
1036 } 1260 }
1037} 1261}
1038 1262
1039void 1263void
1264aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1265 PPCODE:
1266{
1267 STRLEN svlen;
1268 char *svptr = SvPVbyte (data, svlen);
1269 UV len = SvUV (length);
1270
1271 if (offset < 0)
1272 offset += svlen;
1273
1274 if (offset < 0 || offset > svlen)
1275 croak ("offset outside of scalar");
1276
1277 if (!SvOK (length) || len + offset > svlen)
1278 len = svlen - offset;
1279
1280 {
1281 dREQ;
1282
1283 req->type = EIO_MLOCK;
1284 req->sv2 = SvREFCNT_inc (data);
1285 req->ptr2 = (char *)svptr + offset;
1286 req->size = len;
1287
1288 REQ_SEND;
1289 }
1290}
1291
1292void
1293aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1294 PPCODE:
1295{
1296 dREQ;
1297
1298 req->type = EIO_MLOCKALL;
1299 req->int1 = flags;
1300
1301 REQ_SEND;
1302}
1303
1304void
1040aio_busy (double delay, SV *callback=&PL_sv_undef) 1305aio_busy (double delay, SV *callback=&PL_sv_undef)
1041 PPCODE: 1306 PPCODE:
1042{ 1307{
1043 dREQ; 1308 dREQ;
1044 1309
… …
1048 REQ_SEND; 1313 REQ_SEND;
1049} 1314}
1050 1315
1051void 1316void
1052aio_group (SV *callback=&PL_sv_undef) 1317aio_group (SV *callback=&PL_sv_undef)
1053 PROTOTYPE: ;$
1054 PPCODE: 1318 PPCODE:
1055{ 1319{
1056 dREQ; 1320 dREQ;
1057 1321
1058 req->type = EIO_GROUP; 1322 req->type = EIO_GROUP;
… …
1075 REQ_SEND; 1339 REQ_SEND;
1076} 1340}
1077 1341
1078int 1342int
1079aioreq_pri (int pri = 0) 1343aioreq_pri (int pri = 0)
1080 PROTOTYPE: ;$
1081 CODE: 1344 CODE:
1082 RETVAL = next_pri; 1345 RETVAL = next_pri;
1083 if (items > 0) 1346 if (items > 0)
1084 { 1347 {
1085 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1097 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1360 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1098 next_pri = nice; 1361 next_pri = nice;
1099 1362
1100void 1363void
1101flush () 1364flush ()
1102 PROTOTYPE:
1103 CODE: 1365 CODE:
1104 while (eio_nreqs ()) 1366 while (eio_nreqs ())
1105 { 1367 {
1106 poll_wait (); 1368 poll_wait ();
1107 poll_cb (); 1369 poll_cb ();
1108 } 1370 }
1109 1371
1110int 1372int
1111poll() 1373poll ()
1112 PROTOTYPE:
1113 CODE: 1374 CODE:
1114 poll_wait (); 1375 poll_wait ();
1115 RETVAL = poll_cb (); 1376 RETVAL = poll_cb ();
1116 OUTPUT: 1377 OUTPUT:
1117 RETVAL 1378 RETVAL
1118 1379
1119int 1380int
1120poll_fileno() 1381poll_fileno ()
1121 PROTOTYPE:
1122 CODE: 1382 CODE:
1123 RETVAL = s_epipe_fd (&respipe); 1383 RETVAL = s_epipe_fd (&respipe);
1124 OUTPUT: 1384 OUTPUT:
1125 RETVAL 1385 RETVAL
1126 1386
1127int 1387int
1128poll_cb(...) 1388poll_cb (...)
1129 PROTOTYPE: 1389 PROTOTYPE:
1130 CODE: 1390 CODE:
1131 RETVAL = poll_cb (); 1391 RETVAL = poll_cb ();
1132 OUTPUT: 1392 OUTPUT:
1133 RETVAL 1393 RETVAL
1134 1394
1135void 1395void
1136poll_wait() 1396poll_wait ()
1137 PROTOTYPE:
1138 CODE: 1397 CODE:
1139 poll_wait (); 1398 poll_wait ();
1140 1399
1141int 1400int
1142nreqs() 1401nreqs ()
1143 PROTOTYPE:
1144 CODE: 1402 CODE:
1145 RETVAL = eio_nreqs (); 1403 RETVAL = eio_nreqs ();
1146 OUTPUT: 1404 OUTPUT:
1147 RETVAL 1405 RETVAL
1148 1406
1149int 1407int
1150nready() 1408nready ()
1151 PROTOTYPE:
1152 CODE: 1409 CODE:
1153 RETVAL = eio_nready (); 1410 RETVAL = eio_nready ();
1154 OUTPUT: 1411 OUTPUT:
1155 RETVAL 1412 RETVAL
1156 1413
1157int 1414int
1158npending() 1415npending ()
1159 PROTOTYPE:
1160 CODE: 1416 CODE:
1161 RETVAL = eio_npending (); 1417 RETVAL = eio_npending ();
1162 OUTPUT: 1418 OUTPUT:
1163 RETVAL 1419 RETVAL
1164 1420
1165int 1421int
1166nthreads() 1422nthreads ()
1167 PROTOTYPE:
1168 CODE: 1423 CODE:
1169 RETVAL = eio_nthreads (); 1424 RETVAL = eio_nthreads ();
1170 OUTPUT: 1425 OUTPUT:
1171 RETVAL 1426 RETVAL
1172 1427
1173int 1428int
1174fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1429fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1175 PROTOTYPE: $$$$
1176 CODE: 1430 CODE:
1177#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1178 RETVAL = posix_fadvise (fh, offset, length, advice); 1431 RETVAL = posix_fadvise (fh, offset, length, advice);
1179#else
1180 RETVAL = errno = ENOSYS;
1181#endif
1182 OUTPUT: 1432 OUTPUT:
1183 RETVAL 1433 RETVAL
1184 1434
1185ssize_t 1435ssize_t
1186sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1187 PROTOTYPE: $$$$
1188 CODE: 1437 CODE:
1189 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1438 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1190 OUTPUT: 1439 OUTPUT:
1191 RETVAL 1440 RETVAL
1192 1441
1442void
1443mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1444 PPCODE:
1445 sv_unmagic (scalar, MMAP_MAGIC);
1446{
1447 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1448 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1449 if (addr == (void *)-1)
1450 XSRETURN_NO;
1451
1452 sv_force_normal (scalar);
1453
1454 /* we store the length in mg_obj, as namlen is I32 :/ */
1455 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1456 ->mg_obj = (SV *)length;
1457
1458 SvUPGRADE (scalar, SVt_PV); /* nop... */
1459
1460 if (!(prot & PROT_WRITE))
1461 SvREADONLY_on (scalar);
1462
1463 if (SvLEN (scalar))
1464 Safefree (SvPVX (scalar));
1465
1466 SvPVX (scalar) = (char *)addr;
1467 SvCUR_set (scalar, length);
1468 SvLEN_set (scalar, 0);
1469 SvPOK_only (scalar);
1470
1471 XSRETURN_YES;
1472}
1473
1474void
1475munmap (SV *scalar)
1476 CODE:
1477 sv_unmagic (scalar, MMAP_MAGIC);
1478
1479int
1480madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1481 ALIAS:
1482 mprotect = 1
1483 CODE:
1484{
1485 STRLEN svlen;
1486 void *addr = SvPVbyte (scalar, svlen);
1487 size_t len = SvUV (length);
1488
1489 if (offset < 0)
1490 offset += svlen;
1491
1492 if (offset < 0 || offset > svlen)
1493 croak ("offset outside of scalar");
1494
1495 if (!SvOK (length) || len + offset > svlen)
1496 len = svlen - offset;
1497
1498 addr = (void *)(((intptr_t)addr) + offset);
1499 eio_page_align (&addr, &len);
1500
1501 switch (ix)
1502 {
1503 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1504 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1505 }
1506}
1507 OUTPUT:
1508 RETVAL
1509
1510int
1511munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1512 CODE:
1513{
1514 STRLEN svlen;
1515 void *addr = SvPVbyte (scalar, svlen);
1516 size_t len = SvUV (length);
1517
1518 if (offset < 0)
1519 offset += svlen;
1520
1521 if (offset < 0 || offset > svlen)
1522 croak ("offset outside of scalar");
1523
1524 if (!SvOK (length) || len + offset > svlen)
1525 len = svlen - offset;
1526
1527 addr = (void *)(((intptr_t)addr) + offset);
1528 eio_page_align (&addr, &len);
1529#if _POSIX_MEMLOCK
1530 RETVAL = munlock (addr, len);
1531#else
1532 RETVAL = ((errno = ENOSYS), -1);
1533#endif
1534}
1535 OUTPUT:
1536 RETVAL
1537
1538int
1539munlockall ()
1540 CODE:
1541#if _POSIX_MEMLOCK
1542 munlockall ();
1543#else
1544 RETVAL = -1;
1545 errno = ENOSYS;
1546#endif
1547 OUTPUT:
1548 RETVAL
1549
1193void _on_next_submit (SV *cb) 1550void _on_next_submit (SV *cb)
1194 CODE: 1551 CODE:
1195 SvREFCNT_dec (on_next_submit); 1552 SvREFCNT_dec (on_next_submit);
1196 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1553 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1197 1554

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