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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.149 by root, Tue Jun 30 07:33:58 2009 UTC vs.
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
17 20
18/* perl namespace pollution */ 21/* perl namespace pollution */
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 100#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 101#define expect_true(expr) expect ((expr) != 0, 1)
99 102
100/*****************************************************************************/ 103/*****************************************************************************/
101 104
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 105typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 106typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 107typedef int aio_wfd; /* write file descriptor */
106 108
107#define AIO_REQ_KLASS "IO::AIO::REQ" 109static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 110
110#define EIO_REQ_MEMBERS \ 111#define EIO_REQ_MEMBERS \
111 SV *callback; \ 112 SV *callback; \
112 SV *sv1, *sv2; \ 113 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 114 STRLEN stroffset; \
… …
140 141
141#ifndef POSIX_FADV_DONTNEED 142#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 143# define POSIX_FADV_DONTNEED 0
143#endif 144#endif
144 145
146#ifndef ST_NODEV
147# define ST_NODEV 0
148#endif
149
150#ifndef ST_NOEXEC
151# define ST_NOEXEC 0
152#endif
153
154#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0
156#endif
157
158#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0
160#endif
161
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165
166#ifndef ST_APPEND
167# define ST_APPEND 0
168#endif
169
170#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0
172#endif
173
174#ifndef ST_NOATIME
175# define ST_NOATIME 0
176#endif
177
178#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0
180#endif
181
182#ifndef ST_RELATIME
183# define ST_RELATIME 0
184#endif
185
145static int req_invoke (eio_req *req); 186static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 187#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 188static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 189#define EIO_DESTROY(req) req_destroy (req)
149 190
… …
158 199
159static SV *on_next_submit; 200static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 201static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 202static int max_outstanding;
162 203
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 204static s_epipe respipe;
164 205
165static void req_destroy (aio_req req); 206static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 207static void req_cancel (aio_req req);
167 208
168static void want_poll (void) 209static void want_poll (void)
169{ 210{
170 /* write a dummy byte to the pipe so fh becomes ready */ 211 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 212 s_epipe_signal (&respipe);
172} 213}
173 214
174static void done_poll (void) 215static void done_poll (void)
175{ 216{
176 /* read any signals sent by the worker threads */ 217 /* read any signals sent by the worker threads */
177 char buf [4]; 218 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 219}
181 220
182/* must be called at most once */ 221/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 222static SV *req_sv (aio_req req, HV *stash)
184{ 223{
185 if (!req->self) 224 if (!req->self)
186 { 225 {
187 req->self = (SV *)newHV (); 226 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 227 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 228 }
190 229
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 230 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 231}
193 232
194static aio_req SvAIO_REQ (SV *sv) 233static aio_req SvAIO_REQ (SV *sv)
195{ 234{
196 MAGIC *mg; 235 MAGIC *mg;
197 236
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 237 if (!SvROK (sv)
238 || (SvSTASH (SvRV (sv)) != aio_grp_stash
239 && SvSTASH (SvRV (sv)) != aio_req_stash
240 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 241 croak ("object of class IO::AIO::REQ expected");
200 242
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 243 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 244
203 return mg ? (aio_req)mg->mg_ptr : 0; 245 return mg ? (aio_req)mg->mg_ptr : 0;
204} 246}
… …
210 dSP; 252 dSP;
211 253
212 ENTER; 254 ENTER;
213 SAVETMPS; 255 SAVETMPS;
214 PUSHMARK (SP); 256 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 257 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 258 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 259 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 260 SPAGAIN;
219 FREETMPS; 261 FREETMPS;
220 LEAVE; 262 LEAVE;
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 368 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 369 char sym [64];
328 int symlen; 370 int symlen;
329 371
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 372 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 373 gv_init (gv, aio_stash, sym, symlen, 0);
332 374
333 symlen = snprintf ( 375 symlen = snprintf (
334 sym, 376 sym,
335 sizeof (sym), 377 sizeof (sym),
336 "%s&=%d", 378 "%s&=%d",
… …
342 fh = (SV *)gv; 384 fh = (SV *)gv;
343 } 385 }
344 386
345 PUSHs (fh); 387 PUSHs (fh);
346 } 388 }
389 break;
390
391 case EIO_STATVFS:
392 case EIO_FSTATVFS:
393 {
394 SV *rv = &PL_sv_undef;
395
396 if (req->result >= 0)
397 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV ();
400
401 rv = sv_2mortal (newRV_noinc (hv));
402
403 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);
405 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);
407 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
408 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
409 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
410 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
412 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414 }
415
416 PUSHs (rv);
417 }
418
347 break; 419 break;
348 420
349 case EIO_GROUP: 421 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 422 req->int1 = 2; /* mark group as finished */
351 423
… …
439 grp->sv2 = 0; 511 grp->sv2 = 0;
440 512
441 eio_grp_cancel (grp); 513 eio_grp_cancel (grp);
442} 514}
443 515
444#ifdef USE_SOCKETS_AS_HANDLES
445# define TO_SOCKET(x) (win32_get_osfhandle (x))
446#else
447# define TO_SOCKET(x) (x)
448#endif
449
450static void 516static void
451create_respipe (void) 517create_respipe (void)
452{ 518{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe)) 519 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 520 croak ("IO::AIO: unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486} 521}
487 522
488static void poll_wait (void) 523static void poll_wait (void)
489{ 524{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 525 while (eio_nreqs ())
493 { 526 {
494 int size; 527 int size;
495 528
496 X_LOCK (reslock); 529 X_LOCK (reslock);
… …
500 if (size) 533 if (size)
501 return; 534 return;
502 535
503 etp_maybe_start_thread (); 536 etp_maybe_start_thread ();
504 537
505 FD_ZERO (&rfd); 538 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 539 }
510} 540}
511 541
512static int poll_cb (void) 542static int poll_cb (void)
513{ 543{
… …
531} 561}
532 562
533static SV * 563static SV *
534get_cb (SV *cb_sv) 564get_cb (SV *cb_sv)
535{ 565{
536 HV *st; 566 SvGETMAGIC (cb_sv);
537 GV *gvp; 567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
538 CV *cv;
539
540 if (!SvOK (cb_sv))
541 return 0;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 568}
550 569
551#define dREQ \ 570#define dREQ \
552 SV *cb_cv; \ 571 SV *cb_cv; \
553 aio_req req; \ 572 aio_req req; \
… …
567 PUTBACK; \ 586 PUTBACK; \
568 req_submit (req); \ 587 req_submit (req); \
569 SPAGAIN; \ 588 SPAGAIN; \
570 \ 589 \
571 if (GIMME_V != G_VOID) \ 590 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 591 XPUSHs (req_sv (req, aio_req_stash));
573
574static int
575extract_fd (SV *fh, int wr)
576{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
578
579 if (fd < 0)
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582 return fd;
583}
584 592
585MODULE = IO::AIO PACKAGE = IO::AIO 593MODULE = IO::AIO PACKAGE = IO::AIO
586 594
587PROTOTYPES: ENABLE 595PROTOTYPES: ENABLE
588 596
… …
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
612 620
621 const_iv (ST_RDONLY , ST_RDONLY)
622 const_iv (ST_NOSUID , ST_NOSUID)
623 const_iv (ST_NODEV , ST_NODEV)
624 const_iv (ST_NOEXEC , ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME)
633
634 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC)
637
638 const_eio (MT_MODIFY)
639
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 641 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
616 643
617 const_eio (READDIR_DENTS) 644 const_eio (READDIR_DENTS)
… …
628 const_eio (DT_LNK) 655 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 656 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 657 const_eio (DT_WHT)
631 }; 658 };
632 659
633 stash = gv_stashpv ("IO::AIO", 1); 660 aio_stash = gv_stashpv ("IO::AIO" , 1);
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
634 663
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
637 666
638 create_respipe (); 667 create_respipe ();
639 668
640 if (eio_init (want_poll, done_poll) < 0) 669 if (eio_init (want_poll, done_poll) < 0)
641 croak ("IO::AIO: unable to initialise eio library"); 670 croak ("IO::AIO: unable to initialise eio library");
… …
702 ALIAS: 731 ALIAS:
703 aio_fsync = EIO_FSYNC 732 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 733 aio_fdatasync = EIO_FDATASYNC
705 PPCODE: 734 PPCODE:
706{ 735{
707 int fd = extract_fd (fh, 0); 736 int fd = s_fileno_croak (fh, 0);
708 dREQ; 737 dREQ;
709 738
710 req->type = ix; 739 req->type = ix;
711 req->sv1 = newSVsv (fh); 740 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 741 req->int1 = fd;
… …
717void 746void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$$$;$ 748 PROTOTYPE: $$$$;$
720 PPCODE: 749 PPCODE:
721{ 750{
722 int fd = extract_fd (fh, 0); 751 int fd = s_fileno_croak (fh, 0);
723 dREQ; 752 dREQ;
724 753
725 req->type = EIO_SYNC_FILE_RANGE; 754 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 755 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 756 req->int1 = fd;
… …
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 765aio_close (SV *fh, SV *callback=&PL_sv_undef)
737 PROTOTYPE: $;$ 766 PROTOTYPE: $;$
738 PPCODE: 767 PPCODE:
739{ 768{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
741 int fd = extract_fd (fh, 0); 770 int fd = s_fileno_croak (fh, 0);
742 dREQ; 771 dREQ;
743 772
744 if (close_pipe < 0) 773 if (close_pipe < 0)
745 { 774 {
746 int pipefd [2]; 775 int pipefd [2];
… …
768 aio_write = EIO_WRITE 797 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$ 798 PROTOTYPE: $$$$$;$
770 PPCODE: 799 PPCODE:
771{ 800{
772 STRLEN svlen; 801 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 802 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 803 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 804 UV len = SvUV (length);
776 805
777 if (dataoffset < 0) 806 if (dataoffset < 0)
778 dataoffset += svlen; 807 dataoffset += svlen;
… …
833void 862void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$$;$ 864 PROTOTYPE: $$$$;$
836 PPCODE: 865 PPCODE:
837{ 866{
838 int ifd = extract_fd (in_fh , 0); 867 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 868 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 869 dREQ;
841 870
842 req->type = EIO_SENDFILE; 871 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 872 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 873 req->int1 = ofd;
… …
853void 882void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855 PROTOTYPE: $$$;$ 884 PROTOTYPE: $$$;$
856 PPCODE: 885 PPCODE:
857{ 886{
858 int fd = extract_fd (fh, 0); 887 int fd = s_fileno_croak (fh, 0);
859 dREQ; 888 dREQ;
860 889
861 req->type = EIO_READAHEAD; 890 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 891 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 892 req->int1 = fd;
… …
868} 897}
869 898
870void 899void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 900aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872 ALIAS: 901 ALIAS:
873 aio_stat = EIO_STAT 902 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 903 aio_lstat = EIO_LSTAT
904 aio_statvfs = EIO_STATVFS
875 PPCODE: 905 PPCODE:
876{ 906{
877 dREQ; 907 dREQ;
878 908
879 req->sv1 = newSVsv (fh_or_path); 909 req->sv1 = newSVsv (fh_or_path);
… …
883 req->type = ix; 913 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1); 914 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 } 915 }
886 else 916 else
887 { 917 {
888 req->type = EIO_FSTAT; 918 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 919 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 } 920 }
891 921
892 REQ_SEND; 922 REQ_SEND;
893} 923}
… …
1056 1086
1057 REQ_SEND; 1087 REQ_SEND;
1058} 1088}
1059 1089
1060void 1090void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS:
1093 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE:
1097{
1098 STRLEN svlen;
1099 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101
1102 if (offset < 0)
1103 offset += svlen;
1104
1105 if (offset < 0 || offset > svlen)
1106 croak ("offset outside of scalar");
1107
1108 if (!SvOK (length) || len + offset > svlen)
1109 len = svlen - offset;
1110
1111 {
1112 dREQ;
1113
1114 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset;
1118 req->int1 = flags;
1119
1120 REQ_SEND;
1121 }
1122}
1123
1124void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1125aio_busy (double delay, SV *callback=&PL_sv_undef)
1062 PPCODE: 1126 PPCODE:
1063{ 1127{
1064 dREQ; 1128 dREQ;
1065 1129
… …
1077 dREQ; 1141 dREQ;
1078 1142
1079 req->type = EIO_GROUP; 1143 req->type = EIO_GROUP;
1080 1144
1081 req_submit (req); 1145 req_submit (req);
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1146 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1147}
1084 1148
1085void 1149void
1086aio_nop (SV *callback=&PL_sv_undef) 1150aio_nop (SV *callback=&PL_sv_undef)
1087 ALIAS: 1151 ALIAS:
… …
1139 1203
1140int 1204int
1141poll_fileno() 1205poll_fileno()
1142 PROTOTYPE: 1206 PROTOTYPE:
1143 CODE: 1207 CODE:
1144 RETVAL = respipe [0]; 1208 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 1209 OUTPUT:
1146 RETVAL 1210 RETVAL
1147 1211
1148int 1212int
1149poll_cb(...) 1213poll_cb(...)
… …
1193 1257
1194int 1258int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$ 1260 PROTOTYPE: $$$$
1197 CODE: 1261 CODE:
1198{
1199 #if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1200 RETVAL = posix_fadvise (fh, offset, length, advice); 1263 RETVAL = posix_fadvise (fh, offset, length, advice);
1201 #else 1264#else
1202 RETVAL = errno = ENOSYS; 1265 RETVAL = errno = ENOSYS;
1203 #endif 1266#endif
1204}
1205 OUTPUT: 1267 OUTPUT:
1206 RETVAL 1268 RETVAL
1207 1269
1208ssize_t 1270ssize_t
1209sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1210 PROTOTYPE: $$$$ 1272 PROTOTYPE: $$$$
1211 CODE: 1273 CODE:
1212 eio_sendfile_sync (ofh, ifh, offset, count); 1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT:
1276 RETVAL
1213 1277
1214void _on_next_submit (SV *cb) 1278void _on_next_submit (SV *cb)
1215 CODE: 1279 CODE:
1216 SvREFCNT_dec (on_next_submit); 1280 SvREFCNT_dec (on_next_submit);
1217 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1232 if (GIMME_V != G_VOID) 1296 if (GIMME_V != G_VOID)
1233 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1297 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1234 1298
1235 if (items > 1) 1299 if (items > 1)
1236 { 1300 {
1237 SV *cb_cv = get_cb (callback); 1301 SV *cb_cv =get_cb (callback);
1238 1302
1239 SvREFCNT_dec (req->callback); 1303 SvREFCNT_dec (req->callback);
1240 req->callback = SvREFCNT_inc (cb_cv); 1304 req->callback = SvREFCNT_inc (cb_cv);
1241 } 1305 }
1242} 1306}

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