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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC vs.
Revision 1.180 by root, Fri Feb 11 00:05:17 2011 UTC

… …
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h> 16#include <sys/statvfs.h>
17#include <limits.h> 17#include <limits.h>
18#include <fcntl.h> 18#include <fcntl.h>
19#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
20 24
21/* perl namespace pollution */ 25/* perl namespace pollution */
22#undef VERSION 26#undef VERSION
23 27
24#ifdef _WIN32 28#ifdef _WIN32
… …
114 STRLEN stroffset; \ 118 STRLEN stroffset; \
115 SV *self; 119 SV *self;
116 120
117#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
118 122
123#include "libeio/config.h"
119#include "libeio/eio.h" 124#include "libeio/eio.h"
120 125
121#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif 128#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
128#endif 131#endif
129
130#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
132#endif 134#endif
133
134#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
136#endif 137#endif
137
138#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
140#endif 140#endif
141
142#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
144#endif 143#endif
145 144
145#if !HAVE_POSIX_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#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
146#ifndef ST_NODEV 182#ifndef ST_NODEV
147# define ST_NODEV 0 183# define ST_NODEV 0
148#endif 184#endif
149
150#ifndef ST_NOEXEC 185#ifndef ST_NOEXEC
151# define ST_NOEXEC 0 186# define ST_NOEXEC 0
152#endif 187#endif
153
154#ifndef ST_SYNCHRONOUS 188#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0 189# define ST_SYNCHRONOUS 0
156#endif 190#endif
157
158#ifndef ST_MANDLOCK 191#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0 192# define ST_MANDLOCK 0
160#endif 193#endif
161
162#ifndef ST_WRITE 194#ifndef ST_WRITE
163# define ST_WRITE 0 195# define ST_WRITE 0
164#endif 196#endif
165
166#ifndef ST_APPEND 197#ifndef ST_APPEND
167# define ST_APPEND 0 198# define ST_APPEND 0
168#endif 199#endif
169
170#ifndef ST_IMMUTABLE 200#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0 201# define ST_IMMUTABLE 0
172#endif 202#endif
173
174#ifndef ST_NOATIME 203#ifndef ST_NOATIME
175# define ST_NOATIME 0 204# define ST_NOATIME 0
176#endif 205#endif
177
178#ifndef ST_NODIRATIME 206#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0 207# define ST_NODIRATIME 0
180#endif 208#endif
181
182#ifndef ST_RELATIME 209#ifndef ST_RELATIME
183# define ST_RELATIME 0 210# define ST_RELATIME 0
211#endif
212
213#ifndef S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif
237
238#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON
241# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif
244#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
269#endif
270
271#ifndef PAGESIZE
272# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 273#endif
185 274
186static int req_invoke (eio_req *req); 275static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 276#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 277static void req_destroy (eio_req *grp);
… …
280 } 369 }
281} 370}
282 371
283static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
284{ 373{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
289 376
290 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
291 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
292 ENTER; 383 ENTER;
293 SAVETMPS; 384 SAVETMPS;
294 PUSHMARK (SP); 385 PUSHMARK (SP);
295 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
296 400
297 switch (req->type) 401 switch (req->type)
298 { 402 {
299 case EIO_READDIR: 403 case EIO_READDIR:
300 { 404 {
… …
445 case EIO_LSTAT: 549 case EIO_LSTAT:
446 case EIO_FSTAT: 550 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
448 PL_laststatval = req->result; 552 PL_laststatval = req->result;
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
451 break; 555 break;
452 556
453 case EIO_READ: 557 case EIO_READ:
454 { 558 {
455 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
460 } 564 }
461 break; 565 break;
462 566
463 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464 if (req->result > 0) 568 if (req->result > 0)
465 req->result = 0; 569 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
467 571
468 default: 572 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
470 break; 574 break;
471 } 575 }
472 576
473 errno = req->errorno; 577 errno = req->errorno;
474 578
475 PUTBACK; 579 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
478 587
479 FREETMPS; 588 FREETMPS;
480 LEAVE; 589 LEAVE;
481 590
482 PUTBACK; 591 PUTBACK;
… …
557 666
558static void atfork_child (void) 667static void atfork_child (void)
559{ 668{
560 create_respipe (); 669 create_respipe ();
561} 670}
671
672/*****************************************************************************/
673
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714
715/*****************************************************************************/
562 716
563static SV * 717static SV *
564get_cb (SV *cb_sv) 718get_cb (SV *cb_sv)
565{ 719{
566 SvGETMAGIC (cb_sv); 720 SvGETMAGIC (cb_sv);
… …
598{ 752{
599 static const struct { 753 static const struct {
600 const char *name; 754 const char *name;
601 IV iv; 755 IV iv;
602 } *civ, const_iv[] = { 756 } *civ, const_iv[] = {
603# define const_iv(name, value) { # name, (IV) value }, 757# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 760 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 761 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 762 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 765 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 766 const_iv (O_TRUNC)
611#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
612 const_iv (S_IFIFO , S_IFIFO) 770 const_iv (S_IFIFO)
613#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 786
621 const_iv (ST_RDONLY , ST_RDONLY) 787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792
793 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 797 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 798 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 799 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 800 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 801 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 802 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 803 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 804 const_iv (ST_RELATIME)
805
806 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC)
808 const_iv (PROT_READ)
809 const_iv (PROT_WRITE)
810
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED)
814 const_iv (MAP_ANONYMOUS)
815
816 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK)
822
823 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT)
633 825
634 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
637 829
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 855
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 858
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860
667 create_respipe (); 861 create_respipe ();
668 862
669 if (eio_init (want_poll, done_poll) < 0) 863 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 864 croak ("IO::AIO: unable to initialise eio library");
671 865
… …
709 CODE: 903 CODE:
710 max_outstanding = maxreqs; 904 max_outstanding = maxreqs;
711 905
712void 906void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 907aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 908 PPCODE:
716{ 909{
717 dREQ; 910 dREQ;
718 911
719 req->type = EIO_OPEN; 912 req->type = EIO_OPEN;
… …
725 REQ_SEND; 918 REQ_SEND;
726} 919}
727 920
728void 921void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 922aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 923 ALIAS:
732 aio_fsync = EIO_FSYNC 924 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 925 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 926 PPCODE:
735{ 927{
… …
743 REQ_SEND (req); 935 REQ_SEND (req);
744} 936}
745 937
746void 938void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 939aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 940 PPCODE:
750{ 941{
751 int fd = s_fileno_croak (fh, 0); 942 int fd = s_fileno_croak (fh, 0);
752 dREQ; 943 dREQ;
753 944
… …
761 REQ_SEND (req); 952 REQ_SEND (req);
762} 953}
763 954
764void 955void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 956aio_close (SV *fh, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 957 PPCODE:
768{ 958{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 959 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 960 int fd = s_fileno_croak (fh, 0);
771 dREQ; 961 dREQ;
… …
793void 983void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 984aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 985 ALIAS:
796 aio_read = EIO_READ 986 aio_read = EIO_READ
797 aio_write = EIO_WRITE 987 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 988 PPCODE:
800{ 989{
801 STRLEN svlen; 990 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 991 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 992 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1033 }
845} 1034}
846 1035
847void 1036void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1037aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$
850 PPCODE: 1038 PPCODE:
851{ 1039{
852 SV *data; 1040 SV *data;
853 dREQ; 1041 dREQ;
854 1042
… …
859 REQ_SEND; 1047 REQ_SEND;
860} 1048}
861 1049
862void 1050void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1051aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1052 PPCODE:
866{ 1053{
867 int ifd = s_fileno_croak (in_fh , 0); 1054 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1055 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1056 dREQ;
… …
879 REQ_SEND; 1066 REQ_SEND;
880} 1067}
881 1068
882void 1069void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1070aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1071 PPCODE:
886{ 1072{
887 int fd = s_fileno_croak (fh, 0); 1073 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1074 dREQ;
889 1075
… …
920 } 1106 }
921 1107
922 REQ_SEND; 1108 REQ_SEND;
923} 1109}
924 1110
1111UV
1112major (UV dev)
1113 ALIAS:
1114 minor = 1
1115 CODE:
1116 RETVAL = ix ? major (dev) : minor (dev);
1117 OUTPUT:
1118 RETVAL
1119
1120UV
1121makedev (UV maj, UV min)
1122 CODE:
1123 RETVAL = makedev (maj, min);
1124 OUTPUT:
1125 RETVAL
1126
925void 1127void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1128aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1129 PPCODE:
928{ 1130{
929 dREQ; 1131 dREQ;
… …
1090void 1292void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1293aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1294 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1295 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1296 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1297 PPCODE:
1097{ 1298{
1098 STRLEN svlen; 1299 STRLEN svlen;
1300 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1301 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1302
1102 if (offset < 0) 1303 if (offset < 0)
1103 offset += svlen; 1304 offset += svlen;
1104 1305
1105 if (offset < 0 || offset > svlen) 1306 if (offset < 0 || offset > svlen)
… …
1110 1311
1111 { 1312 {
1112 dREQ; 1313 dREQ;
1113 1314
1114 req->type = ix; 1315 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1316 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1317 req->ptr2 = (char *)svptr + offset;
1318 req->size = len;
1118 req->int1 = flags; 1319 req->int1 = flags;
1119 1320
1120 REQ_SEND; 1321 REQ_SEND;
1121 } 1322 }
1122} 1323}
1123 1324
1124void 1325void
1326aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1327 PPCODE:
1328{
1329 STRLEN svlen;
1330 char *svptr = SvPVbyte (data, svlen);
1331 UV len = SvUV (length);
1332
1333 if (offset < 0)
1334 offset += svlen;
1335
1336 if (offset < 0 || offset > svlen)
1337 croak ("offset outside of scalar");
1338
1339 if (!SvOK (length) || len + offset > svlen)
1340 len = svlen - offset;
1341
1342 {
1343 dREQ;
1344
1345 req->type = EIO_MLOCK;
1346 req->sv2 = SvREFCNT_inc (data);
1347 req->ptr2 = (char *)svptr + offset;
1348 req->size = len;
1349
1350 REQ_SEND;
1351 }
1352}
1353
1354void
1355aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1356 PPCODE:
1357{
1358 dREQ;
1359
1360 req->type = EIO_MLOCKALL;
1361 req->int1 = flags;
1362
1363 REQ_SEND;
1364}
1365
1366void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1367aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1368 PPCODE:
1127{ 1369{
1128 dREQ; 1370 dREQ;
1129 1371
… …
1133 REQ_SEND; 1375 REQ_SEND;
1134} 1376}
1135 1377
1136void 1378void
1137aio_group (SV *callback=&PL_sv_undef) 1379aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1380 PPCODE:
1140{ 1381{
1141 dREQ; 1382 dREQ;
1142 1383
1143 req->type = EIO_GROUP; 1384 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1401 REQ_SEND;
1161} 1402}
1162 1403
1163int 1404int
1164aioreq_pri (int pri = 0) 1405aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1406 CODE:
1167 RETVAL = next_pri; 1407 RETVAL = next_pri;
1168 if (items > 0) 1408 if (items > 0)
1169 { 1409 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1410 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1422 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1423 next_pri = nice;
1184 1424
1185void 1425void
1186flush () 1426flush ()
1187 PROTOTYPE:
1188 CODE: 1427 CODE:
1189 while (eio_nreqs ()) 1428 while (eio_nreqs ())
1190 { 1429 {
1191 poll_wait (); 1430 poll_wait ();
1192 poll_cb (); 1431 poll_cb ();
1193 } 1432 }
1194 1433
1195int 1434int
1196poll() 1435poll ()
1197 PROTOTYPE:
1198 CODE: 1436 CODE:
1199 poll_wait (); 1437 poll_wait ();
1200 RETVAL = poll_cb (); 1438 RETVAL = poll_cb ();
1201 OUTPUT: 1439 OUTPUT:
1202 RETVAL 1440 RETVAL
1203 1441
1204int 1442int
1205poll_fileno() 1443poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1444 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1445 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1446 OUTPUT:
1210 RETVAL 1447 RETVAL
1211 1448
1212int 1449int
1213poll_cb(...) 1450poll_cb (...)
1214 PROTOTYPE: 1451 PROTOTYPE:
1215 CODE: 1452 CODE:
1216 RETVAL = poll_cb (); 1453 RETVAL = poll_cb ();
1217 OUTPUT: 1454 OUTPUT:
1218 RETVAL 1455 RETVAL
1219 1456
1220void 1457void
1221poll_wait() 1458poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1459 CODE:
1224 poll_wait (); 1460 poll_wait ();
1225 1461
1226int 1462int
1227nreqs() 1463nreqs ()
1228 PROTOTYPE:
1229 CODE: 1464 CODE:
1230 RETVAL = eio_nreqs (); 1465 RETVAL = eio_nreqs ();
1231 OUTPUT: 1466 OUTPUT:
1232 RETVAL 1467 RETVAL
1233 1468
1234int 1469int
1235nready() 1470nready ()
1236 PROTOTYPE:
1237 CODE: 1471 CODE:
1238 RETVAL = eio_nready (); 1472 RETVAL = eio_nready ();
1239 OUTPUT: 1473 OUTPUT:
1240 RETVAL 1474 RETVAL
1241 1475
1242int 1476int
1243npending() 1477npending ()
1244 PROTOTYPE:
1245 CODE: 1478 CODE:
1246 RETVAL = eio_npending (); 1479 RETVAL = eio_npending ();
1247 OUTPUT: 1480 OUTPUT:
1248 RETVAL 1481 RETVAL
1249 1482
1250int 1483int
1251nthreads() 1484nthreads ()
1252 PROTOTYPE:
1253 CODE: 1485 CODE:
1254 RETVAL = eio_nthreads (); 1486 RETVAL = eio_nthreads ();
1255 OUTPUT: 1487 OUTPUT:
1256 RETVAL 1488 RETVAL
1257 1489
1258int 1490int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1491fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1492 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1493 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1494 OUTPUT:
1268 RETVAL 1495 RETVAL
1269 1496
1270ssize_t 1497ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1498sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1499 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1500 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1501 OUTPUT:
1276 RETVAL 1502 RETVAL
1277 1503
1504void
1505mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1506 PPCODE:
1507 sv_unmagic (scalar, MMAP_MAGIC);
1508{
1509 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1510 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1511 if (addr == (void *)-1)
1512 XSRETURN_NO;
1513
1514 sv_force_normal (scalar);
1515
1516 /* we store the length in mg_obj, as namlen is I32 :/ */
1517 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1518 ->mg_obj = (SV *)length;
1519
1520 SvUPGRADE (scalar, SVt_PV); /* nop... */
1521
1522 if (!(prot & PROT_WRITE))
1523 SvREADONLY_on (scalar);
1524
1525 if (SvLEN (scalar))
1526 Safefree (SvPVX (scalar));
1527
1528 SvPVX (scalar) = (char *)addr;
1529 SvCUR_set (scalar, length);
1530 SvLEN_set (scalar, 0);
1531 SvPOK_only (scalar);
1532
1533 XSRETURN_YES;
1534}
1535
1536void
1537munmap (SV *scalar)
1538 CODE:
1539 sv_unmagic (scalar, MMAP_MAGIC);
1540
1541int
1542madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1543 ALIAS:
1544 mprotect = 1
1545 CODE:
1546{
1547 STRLEN svlen;
1548 void *addr = SvPVbyte (scalar, svlen);
1549 size_t len = SvUV (length);
1550
1551 if (offset < 0)
1552 offset += svlen;
1553
1554 if (offset < 0 || offset > svlen)
1555 croak ("offset outside of scalar");
1556
1557 if (!SvOK (length) || len + offset > svlen)
1558 len = svlen - offset;
1559
1560 addr = (void *)(((intptr_t)addr) + offset);
1561 eio_page_align (&addr, &len);
1562
1563 switch (ix)
1564 {
1565 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1566 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1567 }
1568}
1569 OUTPUT:
1570 RETVAL
1571
1572int
1573munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1574 CODE:
1575{
1576 STRLEN svlen;
1577 void *addr = SvPVbyte (scalar, svlen);
1578 size_t len = SvUV (length);
1579
1580 if (offset < 0)
1581 offset += svlen;
1582
1583 if (offset < 0 || offset > svlen)
1584 croak ("offset outside of scalar");
1585
1586 if (!SvOK (length) || len + offset > svlen)
1587 len = svlen - offset;
1588
1589 addr = (void *)(((intptr_t)addr) + offset);
1590 eio_page_align (&addr, &len);
1591#if _POSIX_MEMLOCK_RANGE
1592 RETVAL = munlock (addr, len);
1593#else
1594 RETVAL = ((errno = ENOSYS), -1);
1595#endif
1596}
1597 OUTPUT:
1598 RETVAL
1599
1600int
1601munlockall ()
1602 CODE:
1603#if _POSIX_MEMLOCK
1604 munlockall ();
1605#else
1606 RETVAL = -1;
1607 errno = ENOSYS;
1608#endif
1609 OUTPUT:
1610 RETVAL
1611
1278void _on_next_submit (SV *cb) 1612void _on_next_submit (SV *cb)
1279 CODE: 1613 CODE:
1280 SvREFCNT_dec (on_next_submit); 1614 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1615 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1616

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