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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.156 by root, Thu Nov 12 00:01:52 2009 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)
779
780 const_eio (MS_ASYNC)
781 const_eio (MS_INVALIDATE)
782 const_eio (MS_SYNC)
783
784 const_eio (MT_MODIFY)
549 785
550 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 786 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
551 const_eio (SYNC_FILE_RANGE_WRITE) 787 const_eio (SYNC_FILE_RANGE_WRITE)
552 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 788 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
553 789
572 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 808 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
573 809
574 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; )
575 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 811 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
576 812
813 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
814
577 create_respipe (); 815 create_respipe ();
578 816
579 if (eio_init (want_poll, done_poll) < 0) 817 if (eio_init (want_poll, done_poll) < 0)
580 croak ("IO::AIO: unable to initialise eio library"); 818 croak ("IO::AIO: unable to initialise eio library");
581 819
619 CODE: 857 CODE:
620 max_outstanding = maxreqs; 858 max_outstanding = maxreqs;
621 859
622void 860void
623aio_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)
624 PROTOTYPE: $$$;$
625 PPCODE: 862 PPCODE:
626{ 863{
627 dREQ; 864 dREQ;
628 865
629 req->type = EIO_OPEN; 866 req->type = EIO_OPEN;
635 REQ_SEND; 872 REQ_SEND;
636} 873}
637 874
638void 875void
639aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 876aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
640 PROTOTYPE: $;$
641 ALIAS: 877 ALIAS:
642 aio_fsync = EIO_FSYNC 878 aio_fsync = EIO_FSYNC
643 aio_fdatasync = EIO_FDATASYNC 879 aio_fdatasync = EIO_FDATASYNC
644 PPCODE: 880 PPCODE:
645{ 881{
653 REQ_SEND (req); 889 REQ_SEND (req);
654} 890}
655 891
656void 892void
657aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
658 PROTOTYPE: $$$$;$
659 PPCODE: 894 PPCODE:
660{ 895{
661 int fd = s_fileno_croak (fh, 0); 896 int fd = s_fileno_croak (fh, 0);
662 dREQ; 897 dREQ;
663 898
671 REQ_SEND (req); 906 REQ_SEND (req);
672} 907}
673 908
674void 909void
675aio_close (SV *fh, SV *callback=&PL_sv_undef) 910aio_close (SV *fh, SV *callback=&PL_sv_undef)
676 PROTOTYPE: $;$
677 PPCODE: 911 PPCODE:
678{ 912{
679 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
680 int fd = s_fileno_croak (fh, 0); 914 int fd = s_fileno_croak (fh, 0);
681 dREQ; 915 dREQ;
703void 937void
704aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
705 ALIAS: 939 ALIAS:
706 aio_read = EIO_READ 940 aio_read = EIO_READ
707 aio_write = EIO_WRITE 941 aio_write = EIO_WRITE
708 PROTOTYPE: $$$$$;$
709 PPCODE: 942 PPCODE:
710{ 943{
711 STRLEN svlen; 944 STRLEN svlen;
712 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 945 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
713 char *svptr = SvPVbyte (data, svlen); 946 char *svptr = SvPVbyte (data, svlen);
754 } 987 }
755} 988}
756 989
757void 990void
758aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
759 PROTOTYPE: $$;$
760 PPCODE: 992 PPCODE:
761{ 993{
762 SV *data; 994 SV *data;
763 dREQ; 995 dREQ;
764 996
769 REQ_SEND; 1001 REQ_SEND;
770} 1002}
771 1003
772void 1004void
773aio_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)
774 PROTOTYPE: $$$$;$
775 PPCODE: 1006 PPCODE:
776{ 1007{
777 int ifd = s_fileno_croak (in_fh , 0); 1008 int ifd = s_fileno_croak (in_fh , 0);
778 int ofd = s_fileno_croak (out_fh, 1); 1009 int ofd = s_fileno_croak (out_fh, 1);
779 dREQ; 1010 dREQ;
789 REQ_SEND; 1020 REQ_SEND;
790} 1021}
791 1022
792void 1023void
793aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1025 PPCODE:
796{ 1026{
797 int fd = s_fileno_croak (fh, 0); 1027 int fd = s_fileno_croak (fh, 0);
798 dREQ; 1028 dREQ;
799 1029
807} 1037}
808 1038
809void 1039void
810aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1040aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
811 ALIAS: 1041 ALIAS:
812 aio_stat = EIO_STAT 1042 aio_stat = EIO_STAT
813 aio_lstat = EIO_LSTAT 1043 aio_lstat = EIO_LSTAT
1044 aio_statvfs = EIO_STATVFS
814 PPCODE: 1045 PPCODE:
815{ 1046{
816 dREQ; 1047 dREQ;
817 1048
818 req->sv1 = newSVsv (fh_or_path); 1049 req->sv1 = newSVsv (fh_or_path);
822 req->type = ix; 1053 req->type = ix;
823 req->ptr1 = SvPVbyte_nolen (req->sv1); 1054 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 } 1055 }
825 else 1056 else
826 { 1057 {
827 req->type = EIO_FSTAT; 1058 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
828 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
829 } 1060 }
830 1061
831 REQ_SEND; 1062 REQ_SEND;
832} 1063}
995 1226
996 REQ_SEND; 1227 REQ_SEND;
997} 1228}
998 1229
999void 1230void
1231aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1232 ALIAS:
1233 aio_mtouch = EIO_MTOUCH
1234 aio_msync = EIO_MSYNC
1235 PPCODE:
1236{
1237 STRLEN svlen;
1238 char *svptr = SvPVbyte (data, svlen);
1239 UV len = SvUV (length);
1240
1241 if (offset < 0)
1242 offset += svlen;
1243
1244 if (offset < 0 || offset > svlen)
1245 croak ("offset outside of scalar");
1246
1247 if (!SvOK (length) || len + offset > svlen)
1248 len = svlen - offset;
1249
1250 {
1251 dREQ;
1252
1253 req->type = ix;
1254 req->sv2 = SvREFCNT_inc (data);
1255 req->ptr2 = (char *)svptr + offset;
1256 req->size = len;
1257 req->int1 = flags;
1258
1259 REQ_SEND;
1260 }
1261}
1262
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
1000aio_busy (double delay, SV *callback=&PL_sv_undef) 1305aio_busy (double delay, SV *callback=&PL_sv_undef)
1001 PPCODE: 1306 PPCODE:
1002{ 1307{
1003 dREQ; 1308 dREQ;
1004 1309
1008 REQ_SEND; 1313 REQ_SEND;
1009} 1314}
1010 1315
1011void 1316void
1012aio_group (SV *callback=&PL_sv_undef) 1317aio_group (SV *callback=&PL_sv_undef)
1013 PROTOTYPE: ;$
1014 PPCODE: 1318 PPCODE:
1015{ 1319{
1016 dREQ; 1320 dREQ;
1017 1321
1018 req->type = EIO_GROUP; 1322 req->type = EIO_GROUP;
1035 REQ_SEND; 1339 REQ_SEND;
1036} 1340}
1037 1341
1038int 1342int
1039aioreq_pri (int pri = 0) 1343aioreq_pri (int pri = 0)
1040 PROTOTYPE: ;$
1041 CODE: 1344 CODE:
1042 RETVAL = next_pri; 1345 RETVAL = next_pri;
1043 if (items > 0) 1346 if (items > 0)
1044 { 1347 {
1045 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1057 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1360 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1058 next_pri = nice; 1361 next_pri = nice;
1059 1362
1060void 1363void
1061flush () 1364flush ()
1062 PROTOTYPE:
1063 CODE: 1365 CODE:
1064 while (eio_nreqs ()) 1366 while (eio_nreqs ())
1065 { 1367 {
1066 poll_wait (); 1368 poll_wait ();
1067 poll_cb (); 1369 poll_cb ();
1068 } 1370 }
1069 1371
1070int 1372int
1071poll() 1373poll ()
1072 PROTOTYPE:
1073 CODE: 1374 CODE:
1074 poll_wait (); 1375 poll_wait ();
1075 RETVAL = poll_cb (); 1376 RETVAL = poll_cb ();
1076 OUTPUT: 1377 OUTPUT:
1077 RETVAL 1378 RETVAL
1078 1379
1079int 1380int
1080poll_fileno() 1381poll_fileno ()
1081 PROTOTYPE:
1082 CODE: 1382 CODE:
1083 RETVAL = s_epipe_fd (&respipe); 1383 RETVAL = s_epipe_fd (&respipe);
1084 OUTPUT: 1384 OUTPUT:
1085 RETVAL 1385 RETVAL
1086 1386
1087int 1387int
1088poll_cb(...) 1388poll_cb (...)
1089 PROTOTYPE: 1389 PROTOTYPE:
1090 CODE: 1390 CODE:
1091 RETVAL = poll_cb (); 1391 RETVAL = poll_cb ();
1092 OUTPUT: 1392 OUTPUT:
1093 RETVAL 1393 RETVAL
1094 1394
1095void 1395void
1096poll_wait() 1396poll_wait ()
1097 PROTOTYPE:
1098 CODE: 1397 CODE:
1099 poll_wait (); 1398 poll_wait ();
1100 1399
1101int 1400int
1102nreqs() 1401nreqs ()
1103 PROTOTYPE:
1104 CODE: 1402 CODE:
1105 RETVAL = eio_nreqs (); 1403 RETVAL = eio_nreqs ();
1106 OUTPUT: 1404 OUTPUT:
1107 RETVAL 1405 RETVAL
1108 1406
1109int 1407int
1110nready() 1408nready ()
1111 PROTOTYPE:
1112 CODE: 1409 CODE:
1113 RETVAL = eio_nready (); 1410 RETVAL = eio_nready ();
1114 OUTPUT: 1411 OUTPUT:
1115 RETVAL 1412 RETVAL
1116 1413
1117int 1414int
1118npending() 1415npending ()
1119 PROTOTYPE:
1120 CODE: 1416 CODE:
1121 RETVAL = eio_npending (); 1417 RETVAL = eio_npending ();
1122 OUTPUT: 1418 OUTPUT:
1123 RETVAL 1419 RETVAL
1124 1420
1125int 1421int
1126nthreads() 1422nthreads ()
1127 PROTOTYPE:
1128 CODE: 1423 CODE:
1129 RETVAL = eio_nthreads (); 1424 RETVAL = eio_nthreads ();
1130 OUTPUT: 1425 OUTPUT:
1131 RETVAL 1426 RETVAL
1132 1427
1133int 1428int
1134fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1429fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1135 PROTOTYPE: $$$$
1136 CODE: 1430 CODE:
1137#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1138 RETVAL = posix_fadvise (fh, offset, length, advice); 1431 RETVAL = posix_fadvise (fh, offset, length, advice);
1139#else
1140 RETVAL = errno = ENOSYS;
1141#endif
1142 OUTPUT: 1432 OUTPUT:
1143 RETVAL 1433 RETVAL
1144 1434
1145ssize_t 1435ssize_t
1146sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1147 PROTOTYPE: $$$$
1148 CODE: 1437 CODE:
1149 eio_sendfile_sync (ofh, ifh, offset, count); 1438 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439 OUTPUT:
1440 RETVAL
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
1150 1549
1151void _on_next_submit (SV *cb) 1550void _on_next_submit (SV *cb)
1152 CODE: 1551 CODE:
1153 SvREFCNT_dec (on_next_submit); 1552 SvREFCNT_dec (on_next_submit);
1154 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1553 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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