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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.176 by root, Thu Dec 2 10:04:47 2010 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_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 MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 238#endif
185 239
186static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 241#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 242static void req_destroy (eio_req *grp);
… …
280 } 334 }
281} 335}
282 336
283static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
284{ 338{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
289 341
290 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
291 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
292 ENTER; 348 ENTER;
293 SAVETMPS; 349 SAVETMPS;
294 PUSHMARK (SP); 350 PUSHMARK (SP);
295 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
296 364
297 switch (req->type) 365 switch (req->type)
298 { 366 {
299 case EIO_READDIR: 367 case EIO_READDIR:
300 { 368 {
… …
396 if (req->result >= 0) 464 if (req->result >= 0)
397 { 465 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV (); 467 HV *hv = newHV ();
400 468
401 rv = sv_2mortal (newRV_noinc (hv)); 469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
402 470
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); 473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
… …
445 case EIO_LSTAT: 513 case EIO_LSTAT:
446 case EIO_FSTAT: 514 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
448 PL_laststatval = req->result; 516 PL_laststatval = req->result;
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
451 break; 519 break;
452 520
453 case EIO_READ: 521 case EIO_READ:
454 { 522 {
455 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 525 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 526 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 527 PUSHs (sv_result);
460 } 528 }
461 break; 529 break;
462 530
463 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
464 if (req->result > 0) 532 if (req->result > 0)
465 req->result = 0; 533 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
467 535
468 default: 536 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
470 break; 538 break;
471 } 539 }
472 540
473 errno = req->errorno; 541 errno = req->errorno;
474 542
475 PUTBACK; 543 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
478 551
479 FREETMPS; 552 FREETMPS;
480 LEAVE; 553 LEAVE;
481 554
482 PUTBACK; 555 PUTBACK;
… …
557 630
558static void atfork_child (void) 631static void atfork_child (void)
559{ 632{
560 create_respipe (); 633 create_respipe ();
561} 634}
635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
562 677
563static SV * 678static SV *
564get_cb (SV *cb_sv) 679get_cb (SV *cb_sv)
565{ 680{
566 SvGETMAGIC (cb_sv); 681 SvGETMAGIC (cb_sv);
… …
598{ 713{
599 static const struct { 714 static const struct {
600 const char *name; 715 const char *name;
601 IV iv; 716 IV iv;
602 } *civ, const_iv[] = { 717 } *civ, const_iv[] = {
603# define const_iv(name, value) { # name, (IV) value }, 718# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 720# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 721 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 722 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 723 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 726 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
611#ifndef _WIN32 730#ifndef _WIN32
612 const_iv (S_IFIFO , S_IFIFO) 731 const_iv (S_IFIFO)
613#endif 732#endif
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 739
621 const_iv (ST_RDONLY , ST_RDONLY) 740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 750 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 751 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 752 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 753 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 754 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 755 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 756 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
633 778
634 const_eio (MS_ASYNC) 779 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 780 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 781 const_eio (MS_SYNC)
637 782
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 808
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
813
667 create_respipe (); 814 create_respipe ();
668 815
669 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
671 818
… …
709 CODE: 856 CODE:
710 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
711 858
712void 859void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 861 PPCODE:
716{ 862{
717 dREQ; 863 dREQ;
718 864
719 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
… …
725 REQ_SEND; 871 REQ_SEND;
726} 872}
727 873
728void 874void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 876 ALIAS:
732 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 879 PPCODE:
735{ 880{
… …
743 REQ_SEND (req); 888 REQ_SEND (req);
744} 889}
745 890
746void 891void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 893 PPCODE:
750{ 894{
751 int fd = s_fileno_croak (fh, 0); 895 int fd = s_fileno_croak (fh, 0);
752 dREQ; 896 dREQ;
753 897
… …
761 REQ_SEND (req); 905 REQ_SEND (req);
762} 906}
763 907
764void 908void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 910 PPCODE:
768{ 911{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 913 int fd = s_fileno_croak (fh, 0);
771 dREQ; 914 dREQ;
… …
793void 936void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 938 ALIAS:
796 aio_read = EIO_READ 939 aio_read = EIO_READ
797 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 941 PPCODE:
800{ 942{
801 STRLEN svlen; 943 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
… …
844 } 986 }
845} 987}
846 988
847void 989void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$
850 PPCODE: 991 PPCODE:
851{ 992{
852 SV *data; 993 SV *data;
853 dREQ; 994 dREQ;
854 995
… …
859 REQ_SEND; 1000 REQ_SEND;
860} 1001}
861 1002
862void 1003void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1005 PPCODE:
866{ 1006{
867 int ifd = s_fileno_croak (in_fh , 0); 1007 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1008 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1009 dREQ;
… …
879 REQ_SEND; 1019 REQ_SEND;
880} 1020}
881 1021
882void 1022void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1024 PPCODE:
886{ 1025{
887 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1027 dREQ;
889 1028
… …
1090void 1229void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1231 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1232 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1233 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1234 PPCODE:
1097{ 1235{
1098 STRLEN svlen; 1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1238 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1239
1102 if (offset < 0) 1240 if (offset < 0)
1103 offset += svlen; 1241 offset += svlen;
1104 1242
1105 if (offset < 0 || offset > svlen) 1243 if (offset < 0 || offset > svlen)
… …
1110 1248
1111 { 1249 {
1112 dREQ; 1250 dREQ;
1113 1251
1114 req->type = ix; 1252 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1253 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1118 req->int1 = flags; 1256 req->int1 = flags;
1119 1257
1120 REQ_SEND; 1258 REQ_SEND;
1121 } 1259 }
1122} 1260}
1123 1261
1124void 1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1305 PPCODE:
1127{ 1306{
1128 dREQ; 1307 dREQ;
1129 1308
… …
1133 REQ_SEND; 1312 REQ_SEND;
1134} 1313}
1135 1314
1136void 1315void
1137aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1317 PPCODE:
1140{ 1318{
1141 dREQ; 1319 dREQ;
1142 1320
1143 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1338 REQ_SEND;
1161} 1339}
1162 1340
1163int 1341int
1164aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1343 CODE:
1167 RETVAL = next_pri; 1344 RETVAL = next_pri;
1168 if (items > 0) 1345 if (items > 0)
1169 { 1346 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1360 next_pri = nice;
1184 1361
1185void 1362void
1186flush () 1363flush ()
1187 PROTOTYPE:
1188 CODE: 1364 CODE:
1189 while (eio_nreqs ()) 1365 while (eio_nreqs ())
1190 { 1366 {
1191 poll_wait (); 1367 poll_wait ();
1192 poll_cb (); 1368 poll_cb ();
1193 } 1369 }
1194 1370
1195int 1371int
1196poll() 1372poll ()
1197 PROTOTYPE:
1198 CODE: 1373 CODE:
1199 poll_wait (); 1374 poll_wait ();
1200 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
1201 OUTPUT: 1376 OUTPUT:
1202 RETVAL 1377 RETVAL
1203 1378
1204int 1379int
1205poll_fileno() 1380poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1381 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1382 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1383 OUTPUT:
1210 RETVAL 1384 RETVAL
1211 1385
1212int 1386int
1213poll_cb(...) 1387poll_cb (...)
1214 PROTOTYPE: 1388 PROTOTYPE:
1215 CODE: 1389 CODE:
1216 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
1217 OUTPUT: 1391 OUTPUT:
1218 RETVAL 1392 RETVAL
1219 1393
1220void 1394void
1221poll_wait() 1395poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1396 CODE:
1224 poll_wait (); 1397 poll_wait ();
1225 1398
1226int 1399int
1227nreqs() 1400nreqs ()
1228 PROTOTYPE:
1229 CODE: 1401 CODE:
1230 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
1231 OUTPUT: 1403 OUTPUT:
1232 RETVAL 1404 RETVAL
1233 1405
1234int 1406int
1235nready() 1407nready ()
1236 PROTOTYPE:
1237 CODE: 1408 CODE:
1238 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
1239 OUTPUT: 1410 OUTPUT:
1240 RETVAL 1411 RETVAL
1241 1412
1242int 1413int
1243npending() 1414npending ()
1244 PROTOTYPE:
1245 CODE: 1415 CODE:
1246 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
1247 OUTPUT: 1417 OUTPUT:
1248 RETVAL 1418 RETVAL
1249 1419
1250int 1420int
1251nthreads() 1421nthreads ()
1252 PROTOTYPE:
1253 CODE: 1422 CODE:
1254 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1255 OUTPUT: 1424 OUTPUT:
1256 RETVAL 1425 RETVAL
1257 1426
1258int 1427int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1429 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1431 OUTPUT:
1268 RETVAL 1432 RETVAL
1269 1433
1270ssize_t 1434ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1436 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1438 OUTPUT:
1276 RETVAL 1439 RETVAL
1277 1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1548
1278void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1279 CODE: 1550 CODE:
1280 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1553

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