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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.151 by root, Tue Jul 14 00:13:36 2009 UTC vs.
Revision 1.164 by root, Tue May 4 21:14:01 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
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
108 112
109#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 114
112#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
113 SV *callback; \ 116 SV *callback; \
114 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
121 124
122#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1 127# define NO_FADVISE 1
125#endif 128#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
129#endif 131#endif
130
131#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
133#endif 134#endif
134
135#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
137#endif 137#endif
138
139#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
141#endif 140#endif
142
143#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182
183#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON
186# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif
189#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205
206#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 208#endif
146 209
147static int req_invoke (eio_req *req); 210static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 211#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 212static void req_destroy (eio_req *grp);
… …
160 223
161static SV *on_next_submit; 224static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 225static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 226static int max_outstanding;
164 227
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 228static s_epipe respipe;
166 229
167static void req_destroy (aio_req req); 230static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 231static void req_cancel (aio_req req);
169 232
170static void want_poll (void) 233static void want_poll (void)
171{ 234{
172 /* write a dummy byte to the pipe so fh becomes ready */ 235 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 236 s_epipe_signal (&respipe);
174} 237}
175 238
176static void done_poll (void) 239static void done_poll (void)
177{ 240{
178 /* read any signals sent by the worker threads */ 241 /* read any signals sent by the worker threads */
179 char buf [4]; 242 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 243}
183 244
184/* must be called at most once */ 245/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 246static SV *req_sv (aio_req req, HV *stash)
186{ 247{
187 if (!req->self) 248 if (!req->self)
188 { 249 {
189 req->self = (SV *)newHV (); 250 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 252 }
192 253
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 255}
195 256
196static aio_req SvAIO_REQ (SV *sv) 257static aio_req SvAIO_REQ (SV *sv)
197{ 258{
198 MAGIC *mg; 259 MAGIC *mg;
199 260
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 261 if (!SvROK (sv)
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 265 croak ("object of class IO::AIO::REQ expected");
202 266
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 268
205 return mg ? (aio_req)mg->mg_ptr : 0; 269 return mg ? (aio_req)mg->mg_ptr : 0;
206} 270}
… …
212 dSP; 276 dSP;
213 277
214 ENTER; 278 ENTER;
215 SAVETMPS; 279 SAVETMPS;
216 PUSHMARK (SP); 280 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 281 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 282 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 283 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 284 SPAGAIN;
221 FREETMPS; 285 FREETMPS;
222 LEAVE; 286 LEAVE;
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 392 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 393 char sym [64];
330 int symlen; 394 int symlen;
331 395
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 396 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 397 gv_init (gv, aio_stash, sym, symlen, 0);
334 398
335 symlen = snprintf ( 399 symlen = snprintf (
336 sym, 400 sym,
337 sizeof (sym), 401 sizeof (sym),
338 "%s&=%d", 402 "%s&=%d",
… …
344 fh = (SV *)gv; 408 fh = (SV *)gv;
345 } 409 }
346 410
347 PUSHs (fh); 411 PUSHs (fh);
348 } 412 }
413 break;
414
415 case EIO_STATVFS:
416 case EIO_FSTATVFS:
417 {
418 SV *rv = &PL_sv_undef;
419
420 if (req->result >= 0)
421 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 HV *hv = newHV ();
424
425 rv = sv_2mortal (newRV_noinc ((SV *)hv));
426
427 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
428 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
429 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
430 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
431 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
432 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
433 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
434 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
436 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438 }
439
440 PUSHs (rv);
441 }
442
349 break; 443 break;
350 444
351 case EIO_GROUP: 445 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 446 req->int1 = 2; /* mark group as finished */
353 447
… …
441 grp->sv2 = 0; 535 grp->sv2 = 0;
442 536
443 eio_grp_cancel (grp); 537 eio_grp_cancel (grp);
444} 538}
445 539
446#ifdef USE_SOCKETS_AS_HANDLES
447# define TO_SOCKET(x) (win32_get_osfhandle (x))
448#else
449# define TO_SOCKET(x) (x)
450#endif
451
452static void 540static void
453create_respipe (void) 541create_respipe (void)
454{ 542{
455 int old_readfd = respipe [0];
456
457 if (respipe [1] >= 0)
458 respipe_close (TO_SOCKET (respipe [1]));
459
460#ifdef _WIN32
461 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462#else
463 if (pipe (respipe)) 543 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 544 croak ("IO::AIO: unable to initialize result pipe");
466
467 if (old_readfd >= 0)
468 {
469 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470 croak ("unable to initialize result pipe(2)");
471
472 respipe_close (respipe [0]);
473 respipe [0] = old_readfd;
474 }
475
476#ifdef _WIN32
477 int arg = 1;
478 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480#else
481 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483#endif
484 croak ("unable to initialize result pipe(3)");
485
486 respipe_osf [0] = TO_SOCKET (respipe [0]);
487 respipe_osf [1] = TO_SOCKET (respipe [1]);
488} 545}
489 546
490static void poll_wait (void) 547static void poll_wait (void)
491{ 548{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 549 while (eio_nreqs ())
495 { 550 {
496 int size; 551 int size;
497 552
498 X_LOCK (reslock); 553 X_LOCK (reslock);
… …
502 if (size) 557 if (size)
503 return; 558 return;
504 559
505 etp_maybe_start_thread (); 560 etp_maybe_start_thread ();
506 561
507 FD_ZERO (&rfd); 562 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 563 }
512} 564}
513 565
514static int poll_cb (void) 566static int poll_cb (void)
515{ 567{
… …
530static void atfork_child (void) 582static void atfork_child (void)
531{ 583{
532 create_respipe (); 584 create_respipe ();
533} 585}
534 586
587/*****************************************************************************/
588
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617
618/*****************************************************************************/
619
535static SV * 620static SV *
536get_cb (SV *cb_sv) 621get_cb (SV *cb_sv)
537{ 622{
538 HV *st; 623 SvGETMAGIC (cb_sv);
539 GV *gvp; 624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
540 CV *cv;
541
542 if (!SvOK (cb_sv))
543 return 0;
544
545 cv = sv_2cv (cb_sv, &st, &gvp, 0);
546
547 if (!cv)
548 croak ("IO::AIO callback must be undef or a CODE reference");
549
550 return (SV *)cv;
551} 625}
552 626
553#define dREQ \ 627#define dREQ \
554 SV *cb_cv; \ 628 SV *cb_cv; \
555 aio_req req; \ 629 aio_req req; \
… …
569 PUTBACK; \ 643 PUTBACK; \
570 req_submit (req); \ 644 req_submit (req); \
571 SPAGAIN; \ 645 SPAGAIN; \
572 \ 646 \
573 if (GIMME_V != G_VOID) \ 647 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 648 XPUSHs (req_sv (req, aio_req_stash));
575 649
576MODULE = IO::AIO PACKAGE = IO::AIO 650MODULE = IO::AIO PACKAGE = IO::AIO
577 651
578PROTOTYPES: ENABLE 652PROTOTYPES: ENABLE
579 653
… …
581{ 655{
582 static const struct { 656 static const struct {
583 const char *name; 657 const char *name;
584 IV iv; 658 IV iv;
585 } *civ, const_iv[] = { 659 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 660# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 662# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 663 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 664 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 665 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 666 const_iv (O_WRONLY)
667 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 668 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 669 const_iv (O_TRUNC)
670 const_iv (O_EXCL)
671 const_iv (O_APPEND)
594#ifndef _WIN32 672#ifndef _WIN32
595 const_iv (S_IFIFO , S_IFIFO) 673 const_iv (S_IFIFO)
596#endif 674#endif
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 675 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 676 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 677 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 678 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 679 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 680 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
681
682 const_iv (ST_RDONLY)
683 const_iv (ST_NOSUID)
684 const_iv (ST_NODEV)
685 const_iv (ST_NOEXEC)
686 const_iv (ST_SYNCHRONOUS)
687 const_iv (ST_MANDLOCK)
688 const_iv (ST_WRITE)
689 const_iv (ST_APPEND)
690 const_iv (ST_IMMUTABLE)
691 const_iv (ST_NOATIME)
692 const_iv (ST_NODIRATIME)
693 const_iv (ST_RELATIME)
694
695 const_iv (PROT_EXEC)
696 const_iv (PROT_NONE)
697 const_iv (PROT_READ)
698 const_iv (PROT_WRITE)
699
700 /*const_iv (MAP_FIXED)*/
701 const_iv (MAP_PRIVATE)
702 const_iv (MAP_SHARED)
703 const_iv (MAP_ANONYMOUS)
704
705 /* linuxish */
706 const_iv (MAP_HUGETLB)
707 const_iv (MAP_LOCKED)
708 const_iv (MAP_NORESERVE)
709 const_iv (MAP_POPULATE)
710 const_iv (MAP_NONBLOCK)
711
712 const_iv (MCL_FUTURE)
713 const_iv (MCL_CURRENT)
714
715 const_eio (MS_ASYNC)
716 const_eio (MS_INVALIDATE)
717 const_eio (MS_SYNC)
718
719 const_eio (MT_MODIFY)
603 720
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 721 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 722 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 723 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 724
… …
619 const_eio (DT_LNK) 736 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 737 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 738 const_eio (DT_WHT)
622 }; 739 };
623 740
624 stash = gv_stashpv ("IO::AIO", 1); 741 aio_stash = gv_stashpv ("IO::AIO" , 1);
742 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
625 744
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 745 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 746 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
747
748 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
628 749
629 create_respipe (); 750 create_respipe ();
630 751
631 if (eio_init (want_poll, done_poll) < 0) 752 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 753 croak ("IO::AIO: unable to initialise eio library");
… …
859} 980}
860 981
861void 982void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 983aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 984 ALIAS:
864 aio_stat = EIO_STAT 985 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 986 aio_lstat = EIO_LSTAT
987 aio_statvfs = EIO_STATVFS
866 PPCODE: 988 PPCODE:
867{ 989{
868 dREQ; 990 dREQ;
869 991
870 req->sv1 = newSVsv (fh_or_path); 992 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 996 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 997 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 998 }
877 else 999 else
878 { 1000 {
879 req->type = EIO_FSTAT; 1001 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1002 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1003 }
882 1004
883 REQ_SEND; 1005 REQ_SEND;
884} 1006}
… …
1047 1169
1048 REQ_SEND; 1170 REQ_SEND;
1049} 1171}
1050 1172
1051void 1173void
1174aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1175 ALIAS:
1176 aio_mtouch = EIO_MTOUCH
1177 aio_msync = EIO_MSYNC
1178 PROTOTYPE: $$$$;$
1179 PPCODE:
1180{
1181 STRLEN svlen;
1182 UV len = SvUV (length);
1183 char *svptr = SvPVbyte (data, svlen);
1184
1185 if (offset < 0)
1186 offset += svlen;
1187
1188 if (offset < 0 || offset > svlen)
1189 croak ("offset outside of scalar");
1190
1191 if (!SvOK (length) || len + offset > svlen)
1192 len = svlen - offset;
1193
1194 {
1195 dREQ;
1196
1197 req->type = ix;
1198 req->size = len;
1199 req->sv2 = SvREFCNT_inc (data);
1200 req->ptr2 = (char *)svptr + offset;
1201 req->int1 = flags;
1202
1203 REQ_SEND;
1204 }
1205}
1206
1207void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1208aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1209 PPCODE:
1054{ 1210{
1055 dREQ; 1211 dREQ;
1056 1212
… …
1068 dREQ; 1224 dREQ;
1069 1225
1070 req->type = EIO_GROUP; 1226 req->type = EIO_GROUP;
1071 1227
1072 req_submit (req); 1228 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1229 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1230}
1075 1231
1076void 1232void
1077aio_nop (SV *callback=&PL_sv_undef) 1233aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1234 ALIAS:
… …
1130 1286
1131int 1287int
1132poll_fileno() 1288poll_fileno()
1133 PROTOTYPE: 1289 PROTOTYPE:
1134 CODE: 1290 CODE:
1135 RETVAL = respipe [0]; 1291 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1292 OUTPUT:
1137 RETVAL 1293 RETVAL
1138 1294
1139int 1295int
1140poll_cb(...) 1296poll_cb(...)
… …
1187 PROTOTYPE: $$$$ 1343 PROTOTYPE: $$$$
1188 CODE: 1344 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1345#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1346 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else 1347#else
1192 RETVAL = errno = ENOSYS; 1348 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1193#endif 1349#endif
1194 OUTPUT: 1350 OUTPUT:
1195 RETVAL 1351 RETVAL
1196 1352
1197ssize_t 1353ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1354sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$ 1355 PROTOTYPE: $$$$
1200 CODE: 1356 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 1357 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358 OUTPUT:
1359 RETVAL
1360
1361void
1362mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363 PROTOTYPE: $$$$$;$
1364 PPCODE:
1365 sv_unmagic (scalar, MMAP_MAGIC);
1366{
1367 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369 if (addr == (void *)-1)
1370 XSRETURN_NO;
1371
1372 /* we store the length in mg_obj, as namlen is I32 :/ */
1373 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374 ->mg_obj = (SV *)length;
1375
1376 SvUPGRADE (scalar, SVt_PV); /* nop... */
1377 if (!(prot & PROT_WRITE))
1378 SvREADONLY_on (scalar);
1379
1380 SvPVX (scalar) = (char *)addr;
1381 SvCUR_set (scalar, length);
1382 SvLEN_set (scalar, 0);
1383 SvPOK_only (scalar);
1384
1385 XSRETURN_YES;
1386}
1387
1388void
1389munmap (SV *scalar)
1390 PROTOTYPE: $
1391 CODE:
1392 sv_unmagic (scalar, MMAP_MAGIC);
1393
1394int
1395mlockall (int flags)
1396 PROTOTYPE: $
1397 CODE:
1398#if _POSIX_MEMLOCK
1399#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1400 extern int mallopt (int, int);
1401 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402#endif
1403 mlockall (flags);
1404#else
1405 RETVAL = -1;
1406 errno = ENOSYS;
1407#endif
1408 OUTPUT:
1409 RETVAL
1410
1411int
1412munlockall ()
1413 PROTOTYPE:
1414 CODE:
1415#if _POSIX_MEMLOCK
1416 munlockall ();
1417#else
1418 RETVAL = -1;
1419 errno = ENOSYS;
1420#endif
1421 OUTPUT:
1422 RETVAL
1202 1423
1203void _on_next_submit (SV *cb) 1424void _on_next_submit (SV *cb)
1204 CODE: 1425 CODE:
1205 SvREFCNT_dec (on_next_submit); 1426 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1427 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1442 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1444
1224 if (items > 1) 1445 if (items > 1)
1225 { 1446 {
1226 SV *cb_cv = get_cb (callback); 1447 SV *cb_cv =get_cb (callback);
1227 1448
1228 SvREFCNT_dec (req->callback); 1449 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1450 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1451 }
1231} 1452}

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