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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 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>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif
17 29
18/* perl namespace pollution */ 30/* perl namespace pollution */
19#undef VERSION 31#undef VERSION
20 32
21#ifdef _WIN32 33#ifdef _WIN32
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 109#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 110#define expect_true(expr) expect ((expr) != 0, 1)
99 111
100/*****************************************************************************/ 112/*****************************************************************************/
101 113
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 114typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 115typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 116typedef int aio_wfd; /* write file descriptor */
106 117
107#define AIO_REQ_KLASS "IO::AIO::REQ" 118static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 119
110#define EIO_REQ_MEMBERS \ 120#define EIO_REQ_MEMBERS \
111 SV *callback; \ 121 SV *callback; \
112 SV *sv1, *sv2; \ 122 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 123 STRLEN stroffset; \
… …
119 129
120#ifndef POSIX_FADV_NORMAL 130#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 131# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1 132# define NO_FADVISE 1
123#endif 133#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL 134#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0 135# define POSIX_FADV_SEQUENTIAL 0
127#endif 136#endif
128
129#ifndef POSIX_FADV_RANDOM 137#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0 138# define POSIX_FADV_RANDOM 0
131#endif 139#endif
132
133#ifndef POSIX_FADV_NOREUSE 140#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0 141# define POSIX_FADV_NOREUSE 0
135#endif 142#endif
136
137#ifndef POSIX_FADV_WILLNEED 143#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0 144# define POSIX_FADV_WILLNEED 0
139#endif 145#endif
140
141#ifndef POSIX_FADV_DONTNEED 146#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 147# define POSIX_FADV_DONTNEED 0
148#endif
149
150#ifndef ST_NODEV
151# define ST_NODEV 0
152#endif
153#ifndef ST_NOEXEC
154# define ST_NOEXEC 0
155#endif
156#ifndef ST_SYNCHRONOUS
157# define ST_SYNCHRONOUS 0
158#endif
159#ifndef ST_MANDLOCK
160# define ST_MANDLOCK 0
161#endif
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165#ifndef ST_APPEND
166# define ST_APPEND 0
167#endif
168#ifndef ST_IMMUTABLE
169# define ST_IMMUTABLE 0
170#endif
171#ifndef ST_NOATIME
172# define ST_NOATIME 0
173#endif
174#ifndef ST_NODIRATIME
175# define ST_NODIRATIME 0
176#endif
177#ifndef ST_RELATIME
178# define ST_RELATIME 0
179#endif
180
181#ifndef MCL_CURRENT
182# define MCL_CURRENT 0
183#endif
184#ifndef MCL_FUTURE
185# define MCL_FUTURE 0
186#endif
187
188#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON
191# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif
194#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210
211#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 213#endif
144 214
145static int req_invoke (eio_req *req); 215static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 216#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 217static void req_destroy (eio_req *grp);
… …
158 228
159static SV *on_next_submit; 229static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 230static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 231static int max_outstanding;
162 232
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 233static s_epipe respipe;
164 234
165static void req_destroy (aio_req req); 235static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 236static void req_cancel (aio_req req);
167 237
168static void want_poll (void) 238static void want_poll (void)
169{ 239{
170 /* write a dummy byte to the pipe so fh becomes ready */ 240 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 241 s_epipe_signal (&respipe);
172} 242}
173 243
174static void done_poll (void) 244static void done_poll (void)
175{ 245{
176 /* read any signals sent by the worker threads */ 246 /* read any signals sent by the worker threads */
177 char buf [4]; 247 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 248}
181 249
182/* must be called at most once */ 250/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 251static SV *req_sv (aio_req req, HV *stash)
184{ 252{
185 if (!req->self) 253 if (!req->self)
186 { 254 {
187 req->self = (SV *)newHV (); 255 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 256 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 257 }
190 258
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 259 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 260}
193 261
194static aio_req SvAIO_REQ (SV *sv) 262static aio_req SvAIO_REQ (SV *sv)
195{ 263{
196 MAGIC *mg; 264 MAGIC *mg;
197 265
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 266 if (!SvROK (sv)
267 || (SvSTASH (SvRV (sv)) != aio_grp_stash
268 && SvSTASH (SvRV (sv)) != aio_req_stash
269 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 270 croak ("object of class IO::AIO::REQ expected");
200 271
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 272 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 273
203 return mg ? (aio_req)mg->mg_ptr : 0; 274 return mg ? (aio_req)mg->mg_ptr : 0;
204} 275}
… …
210 dSP; 281 dSP;
211 282
212 ENTER; 283 ENTER;
213 SAVETMPS; 284 SAVETMPS;
214 PUSHMARK (SP); 285 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 286 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 287 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 288 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 289 SPAGAIN;
219 FREETMPS; 290 FREETMPS;
220 LEAVE; 291 LEAVE;
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 397 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 398 char sym [64];
328 int symlen; 399 int symlen;
329 400
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 401 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 402 gv_init (gv, aio_stash, sym, symlen, 0);
332 403
333 symlen = snprintf ( 404 symlen = snprintf (
334 sym, 405 sym,
335 sizeof (sym), 406 sizeof (sym),
336 "%s&=%d", 407 "%s&=%d",
… …
342 fh = (SV *)gv; 413 fh = (SV *)gv;
343 } 414 }
344 415
345 PUSHs (fh); 416 PUSHs (fh);
346 } 417 }
418 break;
419
420 case EIO_STATVFS:
421 case EIO_FSTATVFS:
422 {
423 SV *rv = &PL_sv_undef;
424
425 if (req->result >= 0)
426 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 HV *hv = newHV ();
429
430 rv = sv_2mortal (newRV_noinc ((SV *)hv));
431
432 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
433 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
434 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
435 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
436 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
437 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
438 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
439 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
441 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443 }
444
445 PUSHs (rv);
446 }
447
347 break; 448 break;
348 449
349 case EIO_GROUP: 450 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 451 req->int1 = 2; /* mark group as finished */
351 452
… …
439 grp->sv2 = 0; 540 grp->sv2 = 0;
440 541
441 eio_grp_cancel (grp); 542 eio_grp_cancel (grp);
442} 543}
443 544
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 545static void
451create_respipe (void) 546create_respipe (void)
452{ 547{
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)) 548 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 549 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} 550}
487 551
488static void poll_wait (void) 552static void poll_wait (void)
489{ 553{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 554 while (eio_nreqs ())
493 { 555 {
494 int size; 556 int size;
495 557
496 X_LOCK (reslock); 558 X_LOCK (reslock);
… …
500 if (size) 562 if (size)
501 return; 563 return;
502 564
503 etp_maybe_start_thread (); 565 etp_maybe_start_thread ();
504 566
505 FD_ZERO (&rfd); 567 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 568 }
510} 569}
511 570
512static int poll_cb (void) 571static int poll_cb (void)
513{ 572{
… …
528static void atfork_child (void) 587static void atfork_child (void)
529{ 588{
530 create_respipe (); 589 create_respipe ();
531} 590}
532 591
592/*****************************************************************************/
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
533static SV * 620static SV *
534get_cb (SV *cb_sv) 621get_cb (SV *cb_sv)
535{ 622{
536 HV *st; 623 SvGETMAGIC (cb_sv);
537 GV *gvp; 624 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} 625}
550 626
551#define dREQ \ 627#define dREQ \
552 SV *cb_cv; \ 628 SV *cb_cv; \
553 aio_req req; \ 629 aio_req req; \
… …
567 PUTBACK; \ 643 PUTBACK; \
568 req_submit (req); \ 644 req_submit (req); \
569 SPAGAIN; \ 645 SPAGAIN; \
570 \ 646 \
571 if (GIMME_V != G_VOID) \ 647 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 648 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}
584 649
585MODULE = IO::AIO PACKAGE = IO::AIO 650MODULE = IO::AIO PACKAGE = IO::AIO
586 651
587PROTOTYPES: ENABLE 652PROTOTYPES: ENABLE
588 653
… …
590{ 655{
591 static const struct { 656 static const struct {
592 const char *name; 657 const char *name;
593 IV iv; 658 IV iv;
594 } *civ, const_iv[] = { 659 } *civ, const_iv[] = {
595# 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 },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 662# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 663 const_iv (EXDEV)
598 const_iv (ENOSYS , ENOSYS) 664 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 665 const_iv (O_RDONLY)
600 const_iv (O_WRONLY, O_WRONLY) 666 const_iv (O_WRONLY)
601 const_iv (O_CREAT , O_CREAT) 667 const_iv (O_CREAT)
602 const_iv (O_TRUNC , O_TRUNC) 668 const_iv (O_TRUNC)
603#ifndef _WIN32 669#ifndef _WIN32
604 const_iv (S_IFIFO , S_IFIFO) 670 const_iv (S_IFIFO)
605#endif 671#endif
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
678
679 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC)
683 const_iv (ST_SYNCHRONOUS)
684 const_iv (ST_MANDLOCK)
685 const_iv (ST_WRITE)
686 const_iv (ST_APPEND)
687 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME)
691
692 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ)
695 const_iv (PROT_WRITE)
696
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED)
700 const_iv (MAP_ANONYMOUS)
701
702 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK)
708
709 const_iv (MCL_FUTURE)
710 const_iv (MCL_CURRENT)
711
712 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC)
715
716 const_eio (MT_MODIFY)
612 717
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 719 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
616 721
… …
628 const_eio (DT_LNK) 733 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 734 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 735 const_eio (DT_WHT)
631 }; 736 };
632 737
633 stash = gv_stashpv ("IO::AIO", 1); 738 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
634 741
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
744
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
637 746
638 create_respipe (); 747 create_respipe ();
639 748
640 if (eio_init (want_poll, done_poll) < 0) 749 if (eio_init (want_poll, done_poll) < 0)
641 croak ("IO::AIO: unable to initialise eio library"); 750 croak ("IO::AIO: unable to initialise eio library");
… …
702 ALIAS: 811 ALIAS:
703 aio_fsync = EIO_FSYNC 812 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 813 aio_fdatasync = EIO_FDATASYNC
705 PPCODE: 814 PPCODE:
706{ 815{
707 int fd = extract_fd (fh, 0); 816 int fd = s_fileno_croak (fh, 0);
708 dREQ; 817 dREQ;
709 818
710 req->type = ix; 819 req->type = ix;
711 req->sv1 = newSVsv (fh); 820 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 821 req->int1 = fd;
… …
717void 826void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$$$;$ 828 PROTOTYPE: $$$$;$
720 PPCODE: 829 PPCODE:
721{ 830{
722 int fd = extract_fd (fh, 0); 831 int fd = s_fileno_croak (fh, 0);
723 dREQ; 832 dREQ;
724 833
725 req->type = EIO_SYNC_FILE_RANGE; 834 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 835 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 836 req->int1 = fd;
… …
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 845aio_close (SV *fh, SV *callback=&PL_sv_undef)
737 PROTOTYPE: $;$ 846 PROTOTYPE: $;$
738 PPCODE: 847 PPCODE:
739{ 848{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
741 int fd = extract_fd (fh, 0); 850 int fd = s_fileno_croak (fh, 0);
742 dREQ; 851 dREQ;
743 852
744 if (close_pipe < 0) 853 if (close_pipe < 0)
745 { 854 {
746 int pipefd [2]; 855 int pipefd [2];
… …
768 aio_write = EIO_WRITE 877 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$ 878 PROTOTYPE: $$$$$;$
770 PPCODE: 879 PPCODE:
771{ 880{
772 STRLEN svlen; 881 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 882 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 883 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 884 UV len = SvUV (length);
776 885
777 if (dataoffset < 0) 886 if (dataoffset < 0)
778 dataoffset += svlen; 887 dataoffset += svlen;
… …
833void 942void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$$;$ 944 PROTOTYPE: $$$$;$
836 PPCODE: 945 PPCODE:
837{ 946{
838 int ifd = extract_fd (in_fh , 0); 947 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 948 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 949 dREQ;
841 950
842 req->type = EIO_SENDFILE; 951 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 952 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 953 req->int1 = ofd;
… …
853void 962void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855 PROTOTYPE: $$$;$ 964 PROTOTYPE: $$$;$
856 PPCODE: 965 PPCODE:
857{ 966{
858 int fd = extract_fd (fh, 0); 967 int fd = s_fileno_croak (fh, 0);
859 dREQ; 968 dREQ;
860 969
861 req->type = EIO_READAHEAD; 970 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 971 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 972 req->int1 = fd;
… …
868} 977}
869 978
870void 979void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872 ALIAS: 981 ALIAS:
873 aio_stat = EIO_STAT 982 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 983 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS
875 PPCODE: 985 PPCODE:
876{ 986{
877 dREQ; 987 dREQ;
878 988
879 req->sv1 = newSVsv (fh_or_path); 989 req->sv1 = newSVsv (fh_or_path);
… …
883 req->type = ix; 993 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1); 994 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 } 995 }
886 else 996 else
887 { 997 {
888 req->type = EIO_FSTAT; 998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 } 1000 }
891 1001
892 REQ_SEND; 1002 REQ_SEND;
893} 1003}
… …
1056 1166
1057 REQ_SEND; 1167 REQ_SEND;
1058} 1168}
1059 1169
1060void 1170void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS:
1173 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE:
1177{
1178 STRLEN svlen;
1179 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181
1182 if (offset < 0)
1183 offset += svlen;
1184
1185 if (offset < 0 || offset > svlen)
1186 croak ("offset outside of scalar");
1187
1188 if (!SvOK (length) || len + offset > svlen)
1189 len = svlen - offset;
1190
1191 {
1192 dREQ;
1193
1194 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset;
1198 req->int1 = flags;
1199
1200 REQ_SEND;
1201 }
1202}
1203
1204void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1205aio_busy (double delay, SV *callback=&PL_sv_undef)
1062 PPCODE: 1206 PPCODE:
1063{ 1207{
1064 dREQ; 1208 dREQ;
1065 1209
… …
1077 dREQ; 1221 dREQ;
1078 1222
1079 req->type = EIO_GROUP; 1223 req->type = EIO_GROUP;
1080 1224
1081 req_submit (req); 1225 req_submit (req);
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1226 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1227}
1084 1228
1085void 1229void
1086aio_nop (SV *callback=&PL_sv_undef) 1230aio_nop (SV *callback=&PL_sv_undef)
1087 ALIAS: 1231 ALIAS:
… …
1139 1283
1140int 1284int
1141poll_fileno() 1285poll_fileno()
1142 PROTOTYPE: 1286 PROTOTYPE:
1143 CODE: 1287 CODE:
1144 RETVAL = respipe [0]; 1288 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 1289 OUTPUT:
1146 RETVAL 1290 RETVAL
1147 1291
1148int 1292int
1149poll_cb(...) 1293poll_cb(...)
… …
1196 PROTOTYPE: $$$$ 1340 PROTOTYPE: $$$$
1197 CODE: 1341 CODE:
1198#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1343 RETVAL = posix_fadvise (fh, offset, length, advice);
1200#else 1344#else
1201 RETVAL = errno = ENOSYS; 1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1202#endif 1346#endif
1203 OUTPUT: 1347 OUTPUT:
1204 RETVAL 1348 RETVAL
1205 1349
1206ssize_t 1350ssize_t
1207sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208 PROTOTYPE: $$$$ 1352 PROTOTYPE: $$$$
1209 CODE: 1353 CODE:
1210 eio_sendfile_sync (ofh, ifh, offset, count); 1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT:
1356 RETVAL
1357
1358void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC);
1363{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1)
1367 XSRETURN_NO;
1368
1369 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar);
1376
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES;
1383}
1384
1385void
1386munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC);
1390
1391int
1392mlockall (int flags)
1393 PROTOTYPE: $
1394 CODE:
1395#if _POSIX_MEMLOCK
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else
1402 RETVAL = -1;
1403 errno = ENOSYS;
1404#endif
1405 OUTPUT:
1406 RETVAL
1407
1408int
1409munlockall ()
1410 PROTOTYPE:
1411 CODE:
1412#if _POSIX_MEMLOCK
1413 munlockall ();
1414#else
1415 RETVAL = -1;
1416 errno = ENOSYS;
1417#endif
1418 OUTPUT:
1419 RETVAL
1211 1420
1212void _on_next_submit (SV *cb) 1421void _on_next_submit (SV *cb)
1213 CODE: 1422 CODE:
1214 SvREFCNT_dec (on_next_submit); 1423 SvREFCNT_dec (on_next_submit);
1215 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1230 if (GIMME_V != G_VOID) 1439 if (GIMME_V != G_VOID)
1231 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1440 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1232 1441
1233 if (items > 1) 1442 if (items > 1)
1234 { 1443 {
1235 SV *cb_cv = get_cb (callback); 1444 SV *cb_cv =get_cb (callback);
1236 1445
1237 SvREFCNT_dec (req->callback); 1446 SvREFCNT_dec (req->callback);
1238 req->callback = SvREFCNT_inc (cb_cv); 1447 req->callback = SvREFCNT_inc (cb_cv);
1239 } 1448 }
1240} 1449}

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