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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.165 by root, Sun May 9 20:42:55 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];
166static s_epipe respipe; 228static s_epipe respipe;
167 229
168static void req_destroy (aio_req req); 230static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 231static void req_cancel (aio_req req);
170 232
… …
179 /* read any signals sent by the worker threads */ 241 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 242 s_epipe_drain (&respipe);
181} 243}
182 244
183/* must be called at most once */ 245/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 246static SV *req_sv (aio_req req, HV *stash)
185{ 247{
186 if (!req->self) 248 if (!req->self)
187 { 249 {
188 req->self = (SV *)newHV (); 250 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 252 }
191 253
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 255}
194 256
195static aio_req SvAIO_REQ (SV *sv) 257static aio_req SvAIO_REQ (SV *sv)
196{ 258{
197 MAGIC *mg; 259 MAGIC *mg;
198 260
199 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")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 265 croak ("object of class IO::AIO::REQ expected");
201 266
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 268
204 return mg ? (aio_req)mg->mg_ptr : 0; 269 return mg ? (aio_req)mg->mg_ptr : 0;
205} 270}
… …
211 dSP; 276 dSP;
212 277
213 ENTER; 278 ENTER;
214 SAVETMPS; 279 SAVETMPS;
215 PUSHMARK (SP); 280 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 281 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 282 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 283 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 284 SPAGAIN;
220 FREETMPS; 285 FREETMPS;
221 LEAVE; 286 LEAVE;
… …
246 if (req->flags & FLAG_SV2_RO_OFF) 311 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 312 SvREADONLY_off (req->sv2);
248 313
249 if (!EIO_CANCELLED (req) && req->callback) 314 if (!EIO_CANCELLED (req) && req->callback)
250 { 315 {
316 static SV *sv_result_cache; /* caches the result integer SV */
317 SV *sv_result;
318
251 ENTER; 319 ENTER;
252 SAVETMPS; 320 SAVETMPS;
253 PUSHMARK (SP); 321 PUSHMARK (SP);
254 EXTEND (SP, 1); 322 EXTEND (SP, 1);
323
324 /* do not recreate the result IV from scratch each time */
325 if (expect_true (sv_result_cache))
326 {
327 sv_result = sv_result_cache; sv_result_cache = 0;
328 SvIV_set (sv_result, req->result);
329 }
330 else
331 {
332 sv_result = newSViv (req->result);
333 SvREADONLY_on (sv_result);
334 }
255 335
256 switch (req->type) 336 switch (req->type)
257 { 337 {
258 case EIO_READDIR: 338 case EIO_READDIR:
259 { 339 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 407 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 408 char sym [64];
329 int symlen; 409 int symlen;
330 410
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 411 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 412 gv_init (gv, aio_stash, sym, symlen, 0);
333 413
334 symlen = snprintf ( 414 symlen = snprintf (
335 sym, 415 sym,
336 sizeof (sym), 416 sizeof (sym),
337 "%s&=%d", 417 "%s&=%d",
… …
345 425
346 PUSHs (fh); 426 PUSHs (fh);
347 } 427 }
348 break; 428 break;
349 429
430 case EIO_STATVFS:
431 case EIO_FSTATVFS:
432 {
433 SV *rv = &PL_sv_undef;
434
435 if (req->result >= 0)
436 {
437 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
438 HV *hv = newHV ();
439
440 rv = sv_2mortal (newRV_noinc ((SV *)hv));
441
442 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
443 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
444 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
445 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
446 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
447 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
448 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
449 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
450 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
451 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
452 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
453 }
454
455 PUSHs (rv);
456 }
457
458 break;
459
350 case EIO_GROUP: 460 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 461 req->int1 = 2; /* mark group as finished */
352 462
353 if (req->sv1) 463 if (req->sv1)
354 { 464 {
… …
374 case EIO_LSTAT: 484 case EIO_LSTAT:
375 case EIO_FSTAT: 485 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 486 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 487 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 488 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 489 PUSHs (sv_result);
380 break; 490 break;
381 491
382 case EIO_READ: 492 case EIO_READ:
383 { 493 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 494 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 495 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 496 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 497 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 498 PUSHs (sv_result);
389 } 499 }
390 break; 500 break;
391 501
392 case EIO_DUP2: 502 case EIO_DUP2:
393 if (req->result > 0) 503 if (req->result > 0)
394 req->result = 0; 504 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 505 /* FALLTHROUGH */
396 506
397 default: 507 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 508 PUSHs (sv_result);
399 break; 509 break;
400 } 510 }
401 511
402 errno = req->errorno; 512 errno = req->errorno;
403 513
404 PUTBACK; 514 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 515 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 516 SPAGAIN;
517
518 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
519 SvREFCNT_dec (sv_result);
520 else
521 sv_result_cache = sv_result;
407 522
408 FREETMPS; 523 FREETMPS;
409 LEAVE; 524 LEAVE;
410 525
411 PUTBACK; 526 PUTBACK;
… …
444 559
445static void 560static void
446create_respipe (void) 561create_respipe (void)
447{ 562{
448 if (s_epipe_renew (&respipe)) 563 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 564 croak ("IO::AIO: unable to initialize result pipe");
450
451 respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452 respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453} 565}
454 566
455static void poll_wait (void) 567static void poll_wait (void)
456{ 568{
457 while (eio_nreqs ()) 569 while (eio_nreqs ())
… …
489 601
490static void atfork_child (void) 602static void atfork_child (void)
491{ 603{
492 create_respipe (); 604 create_respipe ();
493} 605}
606
607/*****************************************************************************/
608
609#if !_POSIX_MAPPED_FILES
610# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
611# define munmap(addr,length) (errno = ENOSYS, -1)
612#endif
613
614#define MMAP_MAGIC PERL_MAGIC_ext
615
616static int
617mmap_free (pTHX_ SV *sv, MAGIC *mg)
618{
619 int old_errno = errno;
620 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
621 errno = old_errno;
622
623 mg->mg_obj = 0; /* just in case */
624
625 SvREADONLY_off (sv);
626 SvCUR_set (sv, 0);
627 SvLEN_set (sv, 0);
628 SvPVX (sv) = 0;
629 SvOK_off (sv);
630
631 return 0;
632}
633
634static MGVTBL mmap_vtbl = {
635 0, 0, 0, 0, mmap_free
636};
637
638/*****************************************************************************/
494 639
495static SV * 640static SV *
496get_cb (SV *cb_sv) 641get_cb (SV *cb_sv)
497{ 642{
498 SvGETMAGIC (cb_sv); 643 SvGETMAGIC (cb_sv);
… …
518 PUTBACK; \ 663 PUTBACK; \
519 req_submit (req); \ 664 req_submit (req); \
520 SPAGAIN; \ 665 SPAGAIN; \
521 \ 666 \
522 if (GIMME_V != G_VOID) \ 667 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 668 XPUSHs (req_sv (req, aio_req_stash));
524 669
525MODULE = IO::AIO PACKAGE = IO::AIO 670MODULE = IO::AIO PACKAGE = IO::AIO
526 671
527PROTOTYPES: ENABLE 672PROTOTYPES: ENABLE
528 673
… …
530{ 675{
531 static const struct { 676 static const struct {
532 const char *name; 677 const char *name;
533 IV iv; 678 IV iv;
534 } *civ, const_iv[] = { 679 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 680# define const_niv(name, value) { # name, (IV) value },
681# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 682# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 683 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 684 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 685 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 686 const_iv (O_WRONLY)
687 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 688 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 689 const_iv (O_TRUNC)
690 const_iv (O_EXCL)
691 const_iv (O_APPEND)
543#ifndef _WIN32 692#ifndef _WIN32
544 const_iv (S_IFIFO , S_IFIFO) 693 const_iv (S_IFIFO)
545#endif 694#endif
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 695 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 696 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 697 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 698 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 699 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 700 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
701
702 const_iv (ST_RDONLY)
703 const_iv (ST_NOSUID)
704 const_iv (ST_NODEV)
705 const_iv (ST_NOEXEC)
706 const_iv (ST_SYNCHRONOUS)
707 const_iv (ST_MANDLOCK)
708 const_iv (ST_WRITE)
709 const_iv (ST_APPEND)
710 const_iv (ST_IMMUTABLE)
711 const_iv (ST_NOATIME)
712 const_iv (ST_NODIRATIME)
713 const_iv (ST_RELATIME)
714
715 const_iv (PROT_EXEC)
716 const_iv (PROT_NONE)
717 const_iv (PROT_READ)
718 const_iv (PROT_WRITE)
719
720 /*const_iv (MAP_FIXED)*/
721 const_iv (MAP_PRIVATE)
722 const_iv (MAP_SHARED)
723 const_iv (MAP_ANONYMOUS)
724
725 /* linuxish */
726 const_iv (MAP_HUGETLB)
727 const_iv (MAP_LOCKED)
728 const_iv (MAP_NORESERVE)
729 const_iv (MAP_POPULATE)
730 const_iv (MAP_NONBLOCK)
731
732 const_iv (MCL_FUTURE)
733 const_iv (MCL_CURRENT)
734
735 const_eio (MS_ASYNC)
736 const_eio (MS_INVALIDATE)
737 const_eio (MS_SYNC)
738
739 const_eio (MT_MODIFY)
552 740
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 741 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 742 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 743 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556 744
… …
568 const_eio (DT_LNK) 756 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 757 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 758 const_eio (DT_WHT)
571 }; 759 };
572 760
573 stash = gv_stashpv ("IO::AIO", 1); 761 aio_stash = gv_stashpv ("IO::AIO" , 1);
762 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
763 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574 764
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 765 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 766 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
767
768 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577 769
578 create_respipe (); 770 create_respipe ();
579 771
580 if (eio_init (want_poll, done_poll) < 0) 772 if (eio_init (want_poll, done_poll) < 0)
581 croak ("IO::AIO: unable to initialise eio library"); 773 croak ("IO::AIO: unable to initialise eio library");
… …
808} 1000}
809 1001
810void 1002void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1003aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1004 ALIAS:
813 aio_stat = EIO_STAT 1005 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1006 aio_lstat = EIO_LSTAT
1007 aio_statvfs = EIO_STATVFS
815 PPCODE: 1008 PPCODE:
816{ 1009{
817 dREQ; 1010 dREQ;
818 1011
819 req->sv1 = newSVsv (fh_or_path); 1012 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1016 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1017 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1018 }
826 else 1019 else
827 { 1020 {
828 req->type = EIO_FSTAT; 1021 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1022 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1023 }
831 1024
832 REQ_SEND; 1025 REQ_SEND;
833} 1026}
… …
996 1189
997 REQ_SEND; 1190 REQ_SEND;
998} 1191}
999 1192
1000void 1193void
1194aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1195 ALIAS:
1196 aio_mtouch = EIO_MTOUCH
1197 aio_msync = EIO_MSYNC
1198 PROTOTYPE: $$$$;$
1199 PPCODE:
1200{
1201 STRLEN svlen;
1202 UV len = SvUV (length);
1203 char *svptr = SvPVbyte (data, svlen);
1204
1205 if (offset < 0)
1206 offset += svlen;
1207
1208 if (offset < 0 || offset > svlen)
1209 croak ("offset outside of scalar");
1210
1211 if (!SvOK (length) || len + offset > svlen)
1212 len = svlen - offset;
1213
1214 {
1215 dREQ;
1216
1217 req->type = ix;
1218 req->size = len;
1219 req->sv2 = SvREFCNT_inc (data);
1220 req->ptr2 = (char *)svptr + offset;
1221 req->int1 = flags;
1222
1223 REQ_SEND;
1224 }
1225}
1226
1227void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1228aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1229 PPCODE:
1003{ 1230{
1004 dREQ; 1231 dREQ;
1005 1232
… …
1017 dREQ; 1244 dREQ;
1018 1245
1019 req->type = EIO_GROUP; 1246 req->type = EIO_GROUP;
1020 1247
1021 req_submit (req); 1248 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1249 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1250}
1024 1251
1025void 1252void
1026aio_nop (SV *callback=&PL_sv_undef) 1253aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1254 ALIAS:
… …
1136 PROTOTYPE: $$$$ 1363 PROTOTYPE: $$$$
1137 CODE: 1364 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1365#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1366 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else 1367#else
1141 RETVAL = errno = ENOSYS; 1368 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1142#endif 1369#endif
1143 OUTPUT: 1370 OUTPUT:
1144 RETVAL 1371 RETVAL
1145 1372
1146ssize_t 1373ssize_t
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1374sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$ 1375 PROTOTYPE: $$$$
1149 CODE: 1376 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 1377 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1378 OUTPUT:
1379 RETVAL
1380
1381void
1382mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1383 PROTOTYPE: $$$$$;$
1384 PPCODE:
1385 sv_unmagic (scalar, MMAP_MAGIC);
1386{
1387 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1388 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1389 if (addr == (void *)-1)
1390 XSRETURN_NO;
1391
1392 /* we store the length in mg_obj, as namlen is I32 :/ */
1393 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1394 ->mg_obj = (SV *)length;
1395
1396 SvUPGRADE (scalar, SVt_PV); /* nop... */
1397 if (!(prot & PROT_WRITE))
1398 SvREADONLY_on (scalar);
1399
1400 SvPVX (scalar) = (char *)addr;
1401 SvCUR_set (scalar, length);
1402 SvLEN_set (scalar, 0);
1403 SvPOK_only (scalar);
1404
1405 XSRETURN_YES;
1406}
1407
1408void
1409munmap (SV *scalar)
1410 PROTOTYPE: $
1411 CODE:
1412 sv_unmagic (scalar, MMAP_MAGIC);
1413
1414int
1415mlockall (int flags)
1416 PROTOTYPE: $
1417 CODE:
1418#if _POSIX_MEMLOCK
1419#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1420 extern int mallopt (int, int);
1421 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1422#endif
1423 mlockall (flags);
1424#else
1425 RETVAL = -1;
1426 errno = ENOSYS;
1427#endif
1428 OUTPUT:
1429 RETVAL
1430
1431int
1432munlockall ()
1433 PROTOTYPE:
1434 CODE:
1435#if _POSIX_MEMLOCK
1436 munlockall ();
1437#else
1438 RETVAL = -1;
1439 errno = ENOSYS;
1440#endif
1441 OUTPUT:
1442 RETVAL
1151 1443
1152void _on_next_submit (SV *cb) 1444void _on_next_submit (SV *cb)
1153 CODE: 1445 CODE:
1154 SvREFCNT_dec (on_next_submit); 1446 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1447 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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