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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 1.171 by root, Wed Aug 4 17:16:19 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#if _XOPEN_SOURCE < 600 || NO_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# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif
213
214#ifndef MCL_CURRENT
215# define MCL_CURRENT 0
216#endif
217#ifndef MCL_FUTURE
218# define MCL_FUTURE 0
219#endif
220
221#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON
224# else
225# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
226# endif
227#endif
228#ifndef MAP_HUGETLB
229# define MAP_HUGETLB 0
230#endif
231#ifndef MAP_LOCKED
232# define MAP_LOCKED 0
233#endif
234#ifndef MAP_NORESERVE
235# define MAP_NORESERVE 0
236#endif
237#ifndef MAP_POPULATE
238# define MAP_POPULATE 0
239#endif
240#ifndef MAP_NONBLOCK
241# define MAP_NONBLOCK 0
242#endif
243
244#ifndef PAGESIZE
245# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 246#endif
146 247
147static int req_invoke (eio_req *req); 248static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 249#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 250static void req_destroy (eio_req *grp);
… …
160 261
161static SV *on_next_submit; 262static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 263static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 264static int max_outstanding;
164 265
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 266static s_epipe respipe;
166 267
167static void req_destroy (aio_req req); 268static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 269static void req_cancel (aio_req req);
169 270
170static void want_poll (void) 271static void want_poll (void)
171{ 272{
172 /* write a dummy byte to the pipe so fh becomes ready */ 273 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 274 s_epipe_signal (&respipe);
174} 275}
175 276
176static void done_poll (void) 277static void done_poll (void)
177{ 278{
178 /* read any signals sent by the worker threads */ 279 /* read any signals sent by the worker threads */
179 char buf [4]; 280 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 281}
183 282
184/* must be called at most once */ 283/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 284static SV *req_sv (aio_req req, HV *stash)
186{ 285{
187 if (!req->self) 286 if (!req->self)
188 { 287 {
189 req->self = (SV *)newHV (); 288 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 289 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 290 }
192 291
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 292 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 293}
195 294
196static aio_req SvAIO_REQ (SV *sv) 295static aio_req SvAIO_REQ (SV *sv)
197{ 296{
198 MAGIC *mg; 297 MAGIC *mg;
199 298
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 299 if (!SvROK (sv)
300 || (SvSTASH (SvRV (sv)) != aio_grp_stash
301 && SvSTASH (SvRV (sv)) != aio_req_stash
302 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 303 croak ("object of class IO::AIO::REQ expected");
202 304
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 305 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 306
205 return mg ? (aio_req)mg->mg_ptr : 0; 307 return mg ? (aio_req)mg->mg_ptr : 0;
206} 308}
… …
212 dSP; 314 dSP;
213 315
214 ENTER; 316 ENTER;
215 SAVETMPS; 317 SAVETMPS;
216 PUSHMARK (SP); 318 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 319 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 320 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 321 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 322 SPAGAIN;
221 FREETMPS; 323 FREETMPS;
222 LEAVE; 324 LEAVE;
… …
240 } 342 }
241} 343}
242 344
243static int req_invoke (eio_req *req) 345static int req_invoke (eio_req *req)
244{ 346{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 347 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 348 SvREADONLY_off (req->sv2);
249 349
250 if (!EIO_CANCELLED (req) && req->callback) 350 if (!EIO_CANCELLED (req) && req->callback)
251 { 351 {
352 dSP;
353 static SV *sv_result_cache; /* caches the result integer SV */
354 SV *sv_result;
355
252 ENTER; 356 ENTER;
253 SAVETMPS; 357 SAVETMPS;
254 PUSHMARK (SP); 358 PUSHMARK (SP);
255 EXTEND (SP, 1); 359 EXTEND (SP, 1);
360
361 /* do not recreate the result IV from scratch each time */
362 if (expect_true (sv_result_cache))
363 {
364 sv_result = sv_result_cache; sv_result_cache = 0;
365 SvIV_set (sv_result, req->result);
366 }
367 else
368 {
369 sv_result = newSViv (req->result);
370 SvREADONLY_on (sv_result);
371 }
256 372
257 switch (req->type) 373 switch (req->type)
258 { 374 {
259 case EIO_READDIR: 375 case EIO_READDIR:
260 { 376 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 444 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 445 char sym [64];
330 int symlen; 446 int symlen;
331 447
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 448 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 449 gv_init (gv, aio_stash, sym, symlen, 0);
334 450
335 symlen = snprintf ( 451 symlen = snprintf (
336 sym, 452 sym,
337 sizeof (sym), 453 sizeof (sym),
338 "%s&=%d", 454 "%s&=%d",
… …
346 462
347 PUSHs (fh); 463 PUSHs (fh);
348 } 464 }
349 break; 465 break;
350 466
467 case EIO_STATVFS:
468 case EIO_FSTATVFS:
469 {
470 SV *rv = &PL_sv_undef;
471
472 if (req->result >= 0)
473 {
474 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
475 HV *hv = newHV ();
476
477 rv = sv_2mortal (newRV_noinc ((SV *)hv));
478
479 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
480 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
481 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
482 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
483 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
484 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
485 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
486 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
487 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
488 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
489 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
490 }
491
492 PUSHs (rv);
493 }
494
495 break;
496
351 case EIO_GROUP: 497 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 498 req->int1 = 2; /* mark group as finished */
353 499
354 if (req->sv1) 500 if (req->sv1)
355 { 501 {
… …
375 case EIO_LSTAT: 521 case EIO_LSTAT:
376 case EIO_FSTAT: 522 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 523 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 524 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 525 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 526 PUSHs (sv_result);
381 break; 527 break;
382 528
383 case EIO_READ: 529 case EIO_READ:
384 { 530 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 531 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 532 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 533 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 534 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 535 PUSHs (sv_result);
390 } 536 }
391 break; 537 break;
392 538
393 case EIO_DUP2: 539 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
394 if (req->result > 0) 540 if (req->result > 0)
395 req->result = 0; 541 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 542 /* FALLTHROUGH */
397 543
398 default: 544 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 545 PUSHs (sv_result);
400 break; 546 break;
401 } 547 }
402 548
403 errno = req->errorno; 549 errno = req->errorno;
404 550
405 PUTBACK; 551 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 552 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 553 SPAGAIN;
554
555 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
556 SvREFCNT_dec (sv_result);
557 else
558 sv_result_cache = sv_result;
408 559
409 FREETMPS; 560 FREETMPS;
410 LEAVE; 561 LEAVE;
411 562
412 PUTBACK; 563 PUTBACK;
… …
441 grp->sv2 = 0; 592 grp->sv2 = 0;
442 593
443 eio_grp_cancel (grp); 594 eio_grp_cancel (grp);
444} 595}
445 596
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 597static void
453create_respipe (void) 598create_respipe (void)
454{ 599{
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)) 600 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 601 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} 602}
489 603
490static void poll_wait (void) 604static void poll_wait (void)
491{ 605{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 606 while (eio_nreqs ())
495 { 607 {
496 int size; 608 int size;
497 609
498 X_LOCK (reslock); 610 X_LOCK (reslock);
… …
502 if (size) 614 if (size)
503 return; 615 return;
504 616
505 etp_maybe_start_thread (); 617 etp_maybe_start_thread ();
506 618
507 FD_ZERO (&rfd); 619 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 620 }
512} 621}
513 622
514static int poll_cb (void) 623static int poll_cb (void)
515{ 624{
… …
530static void atfork_child (void) 639static void atfork_child (void)
531{ 640{
532 create_respipe (); 641 create_respipe ();
533} 642}
534 643
644/*****************************************************************************/
645
646#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1)
649# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
650#endif
651
652#define MMAP_MAGIC PERL_MAGIC_ext
653
654static int
655mmap_free (pTHX_ SV *sv, MAGIC *mg)
656{
657 int old_errno = errno;
658 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
659 errno = old_errno;
660
661 mg->mg_obj = 0; /* just in case */
662
663 SvREADONLY_off (sv);
664
665 if (SvPVX (sv) != mg->mg_ptr)
666 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
667
668 SvCUR_set (sv, 0);
669 SvPVX (sv) = 0;
670 SvOK_off (sv);
671
672 return 0;
673}
674
675static MGVTBL mmap_vtbl = {
676 0, 0, 0, 0, mmap_free
677};
678
679/*****************************************************************************/
680
535static SV * 681static SV *
536get_cb (SV *cb_sv) 682get_cb (SV *cb_sv)
537{ 683{
538 HV *st; 684 SvGETMAGIC (cb_sv);
539 GV *gvp; 685 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} 686}
552 687
553#define dREQ \ 688#define dREQ \
554 SV *cb_cv; \ 689 SV *cb_cv; \
555 aio_req req; \ 690 aio_req req; \
… …
569 PUTBACK; \ 704 PUTBACK; \
570 req_submit (req); \ 705 req_submit (req); \
571 SPAGAIN; \ 706 SPAGAIN; \
572 \ 707 \
573 if (GIMME_V != G_VOID) \ 708 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 709 XPUSHs (req_sv (req, aio_req_stash));
575 710
576MODULE = IO::AIO PACKAGE = IO::AIO 711MODULE = IO::AIO PACKAGE = IO::AIO
577 712
578PROTOTYPES: ENABLE 713PROTOTYPES: ENABLE
579 714
… …
581{ 716{
582 static const struct { 717 static const struct {
583 const char *name; 718 const char *name;
584 IV iv; 719 IV iv;
585 } *civ, const_iv[] = { 720 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 721# define const_niv(name, value) { # name, (IV) value },
722# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 723# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 724 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 725 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 726 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 727 const_iv (O_WRONLY)
728 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 729 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 730 const_iv (O_TRUNC)
731 const_iv (O_EXCL)
732 const_iv (O_APPEND)
594#ifndef _WIN32 733#ifndef _WIN32
595 const_iv (S_IFIFO , S_IFIFO) 734 const_iv (S_IFIFO)
596#endif 735#endif
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 736 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 737 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 738 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 739 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 740 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 741 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
742
743 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
744 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
745 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
746 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
747 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
748
749 const_iv (ST_RDONLY)
750 const_iv (ST_NOSUID)
751 const_iv (ST_NODEV)
752 const_iv (ST_NOEXEC)
753 const_iv (ST_SYNCHRONOUS)
754 const_iv (ST_MANDLOCK)
755 const_iv (ST_WRITE)
756 const_iv (ST_APPEND)
757 const_iv (ST_IMMUTABLE)
758 const_iv (ST_NOATIME)
759 const_iv (ST_NODIRATIME)
760 const_iv (ST_RELATIME)
761
762 const_iv (PROT_NONE)
763 const_iv (PROT_EXEC)
764 const_iv (PROT_READ)
765 const_iv (PROT_WRITE)
766
767 /*const_iv (MAP_FIXED)*/
768 const_iv (MAP_PRIVATE)
769 const_iv (MAP_SHARED)
770 const_iv (MAP_ANONYMOUS)
771
772 /* linuxish */
773 const_iv (MAP_HUGETLB)
774 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK)
778
779 const_iv (MCL_FUTURE)
780 const_iv (MCL_CURRENT)
781
782 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC)
785
786 const_eio (MT_MODIFY)
603 787
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 788 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 789 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 790 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 791
… …
619 const_eio (DT_LNK) 803 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 804 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 805 const_eio (DT_WHT)
622 }; 806 };
623 807
624 stash = gv_stashpv ("IO::AIO", 1); 808 aio_stash = gv_stashpv ("IO::AIO" , 1);
809 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
810 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
625 811
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 812 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 813 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
814
815 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
628 816
629 create_respipe (); 817 create_respipe ();
630 818
631 if (eio_init (want_poll, done_poll) < 0) 819 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 820 croak ("IO::AIO: unable to initialise eio library");
… …
859} 1047}
860 1048
861void 1049void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1050aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 1051 ALIAS:
864 aio_stat = EIO_STAT 1052 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1053 aio_lstat = EIO_LSTAT
1054 aio_statvfs = EIO_STATVFS
866 PPCODE: 1055 PPCODE:
867{ 1056{
868 dREQ; 1057 dREQ;
869 1058
870 req->sv1 = newSVsv (fh_or_path); 1059 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 1063 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 1064 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 1065 }
877 else 1066 else
878 { 1067 {
879 req->type = EIO_FSTAT; 1068 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1069 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1070 }
882 1071
883 REQ_SEND; 1072 REQ_SEND;
884} 1073}
… …
1047 1236
1048 REQ_SEND; 1237 REQ_SEND;
1049} 1238}
1050 1239
1051void 1240void
1241aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1242 ALIAS:
1243 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE:
1247{
1248 STRLEN svlen;
1249 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen);
1251
1252 if (offset < 0)
1253 offset += svlen;
1254
1255 if (offset < 0 || offset > svlen)
1256 croak ("offset outside of scalar");
1257
1258 if (!SvOK (length) || len + offset > svlen)
1259 len = svlen - offset;
1260
1261 {
1262 dREQ;
1263
1264 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset;
1268 req->int1 = flags;
1269
1270 REQ_SEND;
1271 }
1272}
1273
1274void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1275aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1276 PPCODE:
1054{ 1277{
1055 dREQ; 1278 dREQ;
1056 1279
… …
1068 dREQ; 1291 dREQ;
1069 1292
1070 req->type = EIO_GROUP; 1293 req->type = EIO_GROUP;
1071 1294
1072 req_submit (req); 1295 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1296 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1297}
1075 1298
1076void 1299void
1077aio_nop (SV *callback=&PL_sv_undef) 1300aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1301 ALIAS:
… …
1130 1353
1131int 1354int
1132poll_fileno() 1355poll_fileno()
1133 PROTOTYPE: 1356 PROTOTYPE:
1134 CODE: 1357 CODE:
1135 RETVAL = respipe [0]; 1358 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1359 OUTPUT:
1137 RETVAL 1360 RETVAL
1138 1361
1139int 1362int
1140poll_cb(...) 1363poll_cb(...)
… …
1184 1407
1185int 1408int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$ 1410 PROTOTYPE: $$$$
1188 CODE: 1411 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1412 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 1413 OUTPUT:
1195 RETVAL 1414 RETVAL
1196 1415
1197ssize_t 1416ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$ 1418 PROTOTYPE: $$$$
1200 CODE: 1419 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT:
1422 RETVAL
1423
1424void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC);
1429{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1432 if (addr == (void *)-1)
1433 XSRETURN_NO;
1434
1435 sv_force_normal (scalar);
1436
1437 /* we store the length in mg_obj, as namlen is I32 :/ */
1438 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1439 ->mg_obj = (SV *)length;
1440
1441 SvUPGRADE (scalar, SVt_PV); /* nop... */
1442
1443 if (!(prot & PROT_WRITE))
1444 SvREADONLY_on (scalar);
1445
1446 if (SvLEN (scalar))
1447 Safefree (SvPVX (scalar));
1448
1449 SvPVX (scalar) = (char *)addr;
1450 SvCUR_set (scalar, length);
1451 SvLEN_set (scalar, 0);
1452 SvPOK_only (scalar);
1453
1454 XSRETURN_YES;
1455}
1456
1457void
1458munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC);
1462
1463int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot)
1465 ALIAS:
1466 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE:
1469{
1470 STRLEN cur;
1471 char *addr = SvPVbyte (scalar, cur);
1472
1473 if (offset > cur)
1474 RETVAL = errno = EFAULT;
1475 else
1476 {
1477 if (!SvOK (ST (2)))
1478 length = cur - offset;
1479
1480 if (offset + length > cur)
1481 RETVAL = errno = EFAULT;
1482 else
1483 switch (ix)
1484 {
1485 case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break;
1487 }
1488 }
1489}
1490 OUTPUT:
1491 RETVAL
1492
1493int
1494mlockall (int flags)
1495 PROTOTYPE: $
1496 CODE:
1497#if _POSIX_MEMLOCK
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1499 extern int mallopt (int, int);
1500 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501#endif
1502 mlockall (flags);
1503#else
1504 RETVAL = -1;
1505 errno = ENOSYS;
1506#endif
1507 OUTPUT:
1508 RETVAL
1509
1510int
1511munlockall ()
1512 PROTOTYPE:
1513 CODE:
1514#if _POSIX_MEMLOCK
1515 munlockall ();
1516#else
1517 RETVAL = -1;
1518 errno = ENOSYS;
1519#endif
1520 OUTPUT:
1521 RETVAL
1202 1522
1203void _on_next_submit (SV *cb) 1523void _on_next_submit (SV *cb)
1204 CODE: 1524 CODE:
1205 SvREFCNT_dec (on_next_submit); 1525 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1526 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1541 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1542 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1543
1224 if (items > 1) 1544 if (items > 1)
1225 { 1545 {
1226 SV *cb_cv = get_cb (callback); 1546 SV *cb_cv =get_cb (callback);
1227 1547
1228 SvREFCNT_dec (req->callback); 1548 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1549 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1550 }
1231} 1551}

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