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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.152 by root, Tue Jul 14 00:32:27 2009 UTC vs.
Revision 1.177 by root, Thu Dec 30 07:19:31 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; \
116 SV *self; 119 SV *self;
117 120
118#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
119 122
123#include "libeio/config.h"
120#include "libeio/eio.h" 124#include "libeio/eio.h"
121 125
122#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
124# 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 !HAVE_POSIX_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#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 238#endif
146 239
147static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 241#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 242static void req_destroy (eio_req *grp);
… …
160 253
161static SV *on_next_submit; 254static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 255static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 256static int max_outstanding;
164 257
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 258static s_epipe respipe;
166 259
167static void req_destroy (aio_req req); 260static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 261static void req_cancel (aio_req req);
169 262
170static void want_poll (void) 263static void want_poll (void)
171{ 264{
172 /* write a dummy byte to the pipe so fh becomes ready */ 265 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 266 s_epipe_signal (&respipe);
174} 267}
175 268
176static void done_poll (void) 269static void done_poll (void)
177{ 270{
178 /* read any signals sent by the worker threads */ 271 /* read any signals sent by the worker threads */
179 char buf [4]; 272 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 273}
183 274
184/* must be called at most once */ 275/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 276static SV *req_sv (aio_req req, HV *stash)
186{ 277{
187 if (!req->self) 278 if (!req->self)
188 { 279 {
189 req->self = (SV *)newHV (); 280 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 282 }
192 283
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 285}
195 286
196static aio_req SvAIO_REQ (SV *sv) 287static aio_req SvAIO_REQ (SV *sv)
197{ 288{
198 MAGIC *mg; 289 MAGIC *mg;
199 290
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 291 if (!SvROK (sv)
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 295 croak ("object of class IO::AIO::REQ expected");
202 296
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 298
205 return mg ? (aio_req)mg->mg_ptr : 0; 299 return mg ? (aio_req)mg->mg_ptr : 0;
206} 300}
… …
212 dSP; 306 dSP;
213 307
214 ENTER; 308 ENTER;
215 SAVETMPS; 309 SAVETMPS;
216 PUSHMARK (SP); 310 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 311 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 312 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 313 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 314 SPAGAIN;
221 FREETMPS; 315 FREETMPS;
222 LEAVE; 316 LEAVE;
… …
240 } 334 }
241} 335}
242 336
243static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
244{ 338{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
249 341
250 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
251 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
252 ENTER; 348 ENTER;
253 SAVETMPS; 349 SAVETMPS;
254 PUSHMARK (SP); 350 PUSHMARK (SP);
255 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 SvIOK_only (sv_result);
359 }
360 else
361 {
362 sv_result = newSViv (req->result);
363 SvREADONLY_on (sv_result);
364 }
256 365
257 switch (req->type) 366 switch (req->type)
258 { 367 {
259 case EIO_READDIR: 368 case EIO_READDIR:
260 { 369 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 438 char sym [64];
330 int symlen; 439 int symlen;
331 440
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 442 gv_init (gv, aio_stash, sym, symlen, 0);
334 443
335 symlen = snprintf ( 444 symlen = snprintf (
336 sym, 445 sym,
337 sizeof (sym), 446 sizeof (sym),
338 "%s&=%d", 447 "%s&=%d",
… …
346 455
347 PUSHs (fh); 456 PUSHs (fh);
348 } 457 }
349 break; 458 break;
350 459
460 case EIO_STATVFS:
461 case EIO_FSTATVFS:
462 {
463 SV *rv = &PL_sv_undef;
464
465 if (req->result >= 0)
466 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV ();
469
470 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
474 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 }
484
485 PUSHs (rv);
486 }
487
488 break;
489
351 case EIO_GROUP: 490 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 491 req->int1 = 2; /* mark group as finished */
353 492
354 if (req->sv1) 493 if (req->sv1)
355 { 494 {
… …
375 case EIO_LSTAT: 514 case EIO_LSTAT:
376 case EIO_FSTAT: 515 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 517 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
381 break; 520 break;
382 521
383 case EIO_READ: 522 case EIO_READ:
384 { 523 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
390 } 529 }
391 break; 530 break;
392 531
393 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 533 if (req->result > 0)
395 req->result = 0; 534 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
397 536
398 default: 537 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
400 break; 539 break;
401 } 540 }
402 541
403 errno = req->errorno; 542 errno = req->errorno;
404 543
405 PUTBACK; 544 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 546 SPAGAIN;
547
548 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
549 SvREFCNT_dec (sv_result);
550 else
551 sv_result_cache = sv_result;
408 552
409 FREETMPS; 553 FREETMPS;
410 LEAVE; 554 LEAVE;
411 555
412 PUTBACK; 556 PUTBACK;
… …
441 grp->sv2 = 0; 585 grp->sv2 = 0;
442 586
443 eio_grp_cancel (grp); 587 eio_grp_cancel (grp);
444} 588}
445 589
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 590static void
453create_respipe (void) 591create_respipe (void)
454{ 592{
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)) 593 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 594 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} 595}
489 596
490static void poll_wait (void) 597static void poll_wait (void)
491{ 598{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 599 while (eio_nreqs ())
495 { 600 {
496 int size; 601 int size;
497 602
498 X_LOCK (reslock); 603 X_LOCK (reslock);
… …
502 if (size) 607 if (size)
503 return; 608 return;
504 609
505 etp_maybe_start_thread (); 610 etp_maybe_start_thread ();
506 611
507 FD_ZERO (&rfd); 612 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 613 }
512} 614}
513 615
514static int poll_cb (void) 616static int poll_cb (void)
515{ 617{
… …
529 631
530static void atfork_child (void) 632static void atfork_child (void)
531{ 633{
532 create_respipe (); 634 create_respipe ();
533} 635}
636
637/*****************************************************************************/
638
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643# define PROT_NONE 0
644# define PROT_WRITE 0
645# define MAP_PRIVATE 0
646# define MAP_SHARED 0
647# define MAP_FIXED 0
648#endif
649
650#define MMAP_MAGIC PERL_MAGIC_ext
651
652static int
653mmap_free (pTHX_ SV *sv, MAGIC *mg)
654{
655 int old_errno = errno;
656 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
657 errno = old_errno;
658
659 mg->mg_obj = 0; /* just in case */
660
661 SvREADONLY_off (sv);
662
663 if (SvPVX (sv) != mg->mg_ptr)
664 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
665
666 SvCUR_set (sv, 0);
667 SvPVX (sv) = 0;
668 SvOK_off (sv);
669
670 return 0;
671}
672
673static MGVTBL mmap_vtbl = {
674 0, 0, 0, 0, mmap_free
675};
676
677/*****************************************************************************/
534 678
535static SV * 679static SV *
536get_cb (SV *cb_sv) 680get_cb (SV *cb_sv)
537{ 681{
538 SvGETMAGIC (cb_sv); 682 SvGETMAGIC (cb_sv);
… …
558 PUTBACK; \ 702 PUTBACK; \
559 req_submit (req); \ 703 req_submit (req); \
560 SPAGAIN; \ 704 SPAGAIN; \
561 \ 705 \
562 if (GIMME_V != G_VOID) \ 706 if (GIMME_V != G_VOID) \
563 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 707 XPUSHs (req_sv (req, aio_req_stash));
564 708
565MODULE = IO::AIO PACKAGE = IO::AIO 709MODULE = IO::AIO PACKAGE = IO::AIO
566 710
567PROTOTYPES: ENABLE 711PROTOTYPES: ENABLE
568 712
… …
570{ 714{
571 static const struct { 715 static const struct {
572 const char *name; 716 const char *name;
573 IV iv; 717 IV iv;
574 } *civ, const_iv[] = { 718 } *civ, const_iv[] = {
575# define const_iv(name, value) { # name, (IV) value }, 719# define const_niv(name, value) { # name, (IV) value },
720# define const_iv(name) { # name, (IV) name },
576# define const_eio(name) { # name, (IV) EIO_ ## name }, 721# define const_eio(name) { # name, (IV) EIO_ ## name },
577 const_iv (EXDEV , EXDEV) 722 const_iv (EXDEV)
578 const_iv (ENOSYS , ENOSYS) 723 const_iv (ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY) 724 const_iv (O_RDONLY)
580 const_iv (O_WRONLY, O_WRONLY) 725 const_iv (O_WRONLY)
726 const_iv (O_RDWR)
581 const_iv (O_CREAT , O_CREAT) 727 const_iv (O_CREAT)
582 const_iv (O_TRUNC , O_TRUNC) 728 const_iv (O_TRUNC)
729 const_iv (O_EXCL)
730 const_iv (O_APPEND)
583#ifndef _WIN32 731#ifndef _WIN32
584 const_iv (S_IFIFO , S_IFIFO) 732 const_iv (S_IFIFO)
585#endif 733#endif
586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 734 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 735 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 736 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 737 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 738 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 739 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
740
741 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
742 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
743 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
744 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
745 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
746
747 const_iv (ST_RDONLY)
748 const_iv (ST_NOSUID)
749 const_iv (ST_NODEV)
750 const_iv (ST_NOEXEC)
751 const_iv (ST_SYNCHRONOUS)
752 const_iv (ST_MANDLOCK)
753 const_iv (ST_WRITE)
754 const_iv (ST_APPEND)
755 const_iv (ST_IMMUTABLE)
756 const_iv (ST_NOATIME)
757 const_iv (ST_NODIRATIME)
758 const_iv (ST_RELATIME)
759
760 const_iv (PROT_NONE)
761 const_iv (PROT_EXEC)
762 const_iv (PROT_READ)
763 const_iv (PROT_WRITE)
764
765 /*const_iv (MAP_FIXED)*/
766 const_iv (MAP_PRIVATE)
767 const_iv (MAP_SHARED)
768 const_iv (MAP_ANONYMOUS)
769
770 /* linuxish */
771 const_iv (MAP_HUGETLB)
772 const_iv (MAP_LOCKED)
773 const_iv (MAP_NORESERVE)
774 const_iv (MAP_POPULATE)
775 const_iv (MAP_NONBLOCK)
776
777 const_eio (MCL_FUTURE)
778 const_eio (MCL_CURRENT)
779
780 const_eio (MS_ASYNC)
781 const_eio (MS_INVALIDATE)
782 const_eio (MS_SYNC)
783
784 const_eio (MT_MODIFY)
592 785
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 786 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE) 787 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 788 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
596 789
… …
608 const_eio (DT_LNK) 801 const_eio (DT_LNK)
609 const_eio (DT_SOCK) 802 const_eio (DT_SOCK)
610 const_eio (DT_WHT) 803 const_eio (DT_WHT)
611 }; 804 };
612 805
613 stash = gv_stashpv ("IO::AIO", 1); 806 aio_stash = gv_stashpv ("IO::AIO" , 1);
807 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
808 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
614 809
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 810 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 811 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
812
813 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
617 814
618 create_respipe (); 815 create_respipe ();
619 816
620 if (eio_init (want_poll, done_poll) < 0) 817 if (eio_init (want_poll, done_poll) < 0)
621 croak ("IO::AIO: unable to initialise eio library"); 818 croak ("IO::AIO: unable to initialise eio library");
… …
660 CODE: 857 CODE:
661 max_outstanding = maxreqs; 858 max_outstanding = maxreqs;
662 859
663void 860void
664aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 861aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
665 PROTOTYPE: $$$;$
666 PPCODE: 862 PPCODE:
667{ 863{
668 dREQ; 864 dREQ;
669 865
670 req->type = EIO_OPEN; 866 req->type = EIO_OPEN;
… …
676 REQ_SEND; 872 REQ_SEND;
677} 873}
678 874
679void 875void
680aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 876aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $;$
682 ALIAS: 877 ALIAS:
683 aio_fsync = EIO_FSYNC 878 aio_fsync = EIO_FSYNC
684 aio_fdatasync = EIO_FDATASYNC 879 aio_fdatasync = EIO_FDATASYNC
685 PPCODE: 880 PPCODE:
686{ 881{
… …
694 REQ_SEND (req); 889 REQ_SEND (req);
695} 890}
696 891
697void 892void
698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $$$$;$
700 PPCODE: 894 PPCODE:
701{ 895{
702 int fd = s_fileno_croak (fh, 0); 896 int fd = s_fileno_croak (fh, 0);
703 dREQ; 897 dREQ;
704 898
… …
712 REQ_SEND (req); 906 REQ_SEND (req);
713} 907}
714 908
715void 909void
716aio_close (SV *fh, SV *callback=&PL_sv_undef) 910aio_close (SV *fh, SV *callback=&PL_sv_undef)
717 PROTOTYPE: $;$
718 PPCODE: 911 PPCODE:
719{ 912{
720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
721 int fd = s_fileno_croak (fh, 0); 914 int fd = s_fileno_croak (fh, 0);
722 dREQ; 915 dREQ;
… …
744void 937void
745aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
746 ALIAS: 939 ALIAS:
747 aio_read = EIO_READ 940 aio_read = EIO_READ
748 aio_write = EIO_WRITE 941 aio_write = EIO_WRITE
749 PROTOTYPE: $$$$$;$
750 PPCODE: 942 PPCODE:
751{ 943{
752 STRLEN svlen; 944 STRLEN svlen;
753 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 945 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
754 char *svptr = SvPVbyte (data, svlen); 946 char *svptr = SvPVbyte (data, svlen);
… …
795 } 987 }
796} 988}
797 989
798void 990void
799aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$;$
801 PPCODE: 992 PPCODE:
802{ 993{
803 SV *data; 994 SV *data;
804 dREQ; 995 dREQ;
805 996
… …
810 REQ_SEND; 1001 REQ_SEND;
811} 1002}
812 1003
813void 1004void
814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1005aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
815 PROTOTYPE: $$$$;$
816 PPCODE: 1006 PPCODE:
817{ 1007{
818 int ifd = s_fileno_croak (in_fh , 0); 1008 int ifd = s_fileno_croak (in_fh , 0);
819 int ofd = s_fileno_croak (out_fh, 1); 1009 int ofd = s_fileno_croak (out_fh, 1);
820 dREQ; 1010 dREQ;
… …
830 REQ_SEND; 1020 REQ_SEND;
831} 1021}
832 1022
833void 1023void
834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$;$
836 PPCODE: 1025 PPCODE:
837{ 1026{
838 int fd = s_fileno_croak (fh, 0); 1027 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1028 dREQ;
840 1029
… …
848} 1037}
849 1038
850void 1039void
851aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1040aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
852 ALIAS: 1041 ALIAS:
853 aio_stat = EIO_STAT 1042 aio_stat = EIO_STAT
854 aio_lstat = EIO_LSTAT 1043 aio_lstat = EIO_LSTAT
1044 aio_statvfs = EIO_STATVFS
855 PPCODE: 1045 PPCODE:
856{ 1046{
857 dREQ; 1047 dREQ;
858 1048
859 req->sv1 = newSVsv (fh_or_path); 1049 req->sv1 = newSVsv (fh_or_path);
… …
863 req->type = ix; 1053 req->type = ix;
864 req->ptr1 = SvPVbyte_nolen (req->sv1); 1054 req->ptr1 = SvPVbyte_nolen (req->sv1);
865 } 1055 }
866 else 1056 else
867 { 1057 {
868 req->type = EIO_FSTAT; 1058 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
869 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
870 } 1060 }
871 1061
872 REQ_SEND; 1062 REQ_SEND;
873} 1063}
… …
1036 1226
1037 REQ_SEND; 1227 REQ_SEND;
1038} 1228}
1039 1229
1040void 1230void
1231aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1232 ALIAS:
1233 aio_mtouch = EIO_MTOUCH
1234 aio_msync = EIO_MSYNC
1235 PPCODE:
1236{
1237 STRLEN svlen;
1238 char *svptr = SvPVbyte (data, svlen);
1239 UV len = SvUV (length);
1240
1241 if (offset < 0)
1242 offset += svlen;
1243
1244 if (offset < 0 || offset > svlen)
1245 croak ("offset outside of scalar");
1246
1247 if (!SvOK (length) || len + offset > svlen)
1248 len = svlen - offset;
1249
1250 {
1251 dREQ;
1252
1253 req->type = ix;
1254 req->sv2 = SvREFCNT_inc (data);
1255 req->ptr2 = (char *)svptr + offset;
1256 req->size = len;
1257 req->int1 = flags;
1258
1259 REQ_SEND;
1260 }
1261}
1262
1263void
1264aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1265 PPCODE:
1266{
1267 STRLEN svlen;
1268 char *svptr = SvPVbyte (data, svlen);
1269 UV len = SvUV (length);
1270
1271 if (offset < 0)
1272 offset += svlen;
1273
1274 if (offset < 0 || offset > svlen)
1275 croak ("offset outside of scalar");
1276
1277 if (!SvOK (length) || len + offset > svlen)
1278 len = svlen - offset;
1279
1280 {
1281 dREQ;
1282
1283 req->type = EIO_MLOCK;
1284 req->sv2 = SvREFCNT_inc (data);
1285 req->ptr2 = (char *)svptr + offset;
1286 req->size = len;
1287
1288 REQ_SEND;
1289 }
1290}
1291
1292void
1293aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1294 PPCODE:
1295{
1296 dREQ;
1297
1298 req->type = EIO_MLOCKALL;
1299 req->int1 = flags;
1300
1301 REQ_SEND;
1302}
1303
1304void
1041aio_busy (double delay, SV *callback=&PL_sv_undef) 1305aio_busy (double delay, SV *callback=&PL_sv_undef)
1042 PPCODE: 1306 PPCODE:
1043{ 1307{
1044 dREQ; 1308 dREQ;
1045 1309
… …
1049 REQ_SEND; 1313 REQ_SEND;
1050} 1314}
1051 1315
1052void 1316void
1053aio_group (SV *callback=&PL_sv_undef) 1317aio_group (SV *callback=&PL_sv_undef)
1054 PROTOTYPE: ;$
1055 PPCODE: 1318 PPCODE:
1056{ 1319{
1057 dREQ; 1320 dREQ;
1058 1321
1059 req->type = EIO_GROUP; 1322 req->type = EIO_GROUP;
1060 1323
1061 req_submit (req); 1324 req_submit (req);
1062 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1325 XPUSHs (req_sv (req, aio_grp_stash));
1063} 1326}
1064 1327
1065void 1328void
1066aio_nop (SV *callback=&PL_sv_undef) 1329aio_nop (SV *callback=&PL_sv_undef)
1067 ALIAS: 1330 ALIAS:
… …
1076 REQ_SEND; 1339 REQ_SEND;
1077} 1340}
1078 1341
1079int 1342int
1080aioreq_pri (int pri = 0) 1343aioreq_pri (int pri = 0)
1081 PROTOTYPE: ;$
1082 CODE: 1344 CODE:
1083 RETVAL = next_pri; 1345 RETVAL = next_pri;
1084 if (items > 0) 1346 if (items > 0)
1085 { 1347 {
1086 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1098 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1360 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1099 next_pri = nice; 1361 next_pri = nice;
1100 1362
1101void 1363void
1102flush () 1364flush ()
1103 PROTOTYPE:
1104 CODE: 1365 CODE:
1105 while (eio_nreqs ()) 1366 while (eio_nreqs ())
1106 { 1367 {
1107 poll_wait (); 1368 poll_wait ();
1108 poll_cb (); 1369 poll_cb ();
1109 } 1370 }
1110 1371
1111int 1372int
1112poll() 1373poll ()
1113 PROTOTYPE:
1114 CODE: 1374 CODE:
1115 poll_wait (); 1375 poll_wait ();
1116 RETVAL = poll_cb (); 1376 RETVAL = poll_cb ();
1117 OUTPUT: 1377 OUTPUT:
1118 RETVAL 1378 RETVAL
1119 1379
1120int 1380int
1121poll_fileno() 1381poll_fileno ()
1122 PROTOTYPE:
1123 CODE: 1382 CODE:
1124 RETVAL = respipe [0]; 1383 RETVAL = s_epipe_fd (&respipe);
1125 OUTPUT: 1384 OUTPUT:
1126 RETVAL 1385 RETVAL
1127 1386
1128int 1387int
1129poll_cb(...) 1388poll_cb (...)
1130 PROTOTYPE: 1389 PROTOTYPE:
1131 CODE: 1390 CODE:
1132 RETVAL = poll_cb (); 1391 RETVAL = poll_cb ();
1133 OUTPUT: 1392 OUTPUT:
1134 RETVAL 1393 RETVAL
1135 1394
1136void 1395void
1137poll_wait() 1396poll_wait ()
1138 PROTOTYPE:
1139 CODE: 1397 CODE:
1140 poll_wait (); 1398 poll_wait ();
1141 1399
1142int 1400int
1143nreqs() 1401nreqs ()
1144 PROTOTYPE:
1145 CODE: 1402 CODE:
1146 RETVAL = eio_nreqs (); 1403 RETVAL = eio_nreqs ();
1147 OUTPUT: 1404 OUTPUT:
1148 RETVAL 1405 RETVAL
1149 1406
1150int 1407int
1151nready() 1408nready ()
1152 PROTOTYPE:
1153 CODE: 1409 CODE:
1154 RETVAL = eio_nready (); 1410 RETVAL = eio_nready ();
1155 OUTPUT: 1411 OUTPUT:
1156 RETVAL 1412 RETVAL
1157 1413
1158int 1414int
1159npending() 1415npending ()
1160 PROTOTYPE:
1161 CODE: 1416 CODE:
1162 RETVAL = eio_npending (); 1417 RETVAL = eio_npending ();
1163 OUTPUT: 1418 OUTPUT:
1164 RETVAL 1419 RETVAL
1165 1420
1166int 1421int
1167nthreads() 1422nthreads ()
1168 PROTOTYPE:
1169 CODE: 1423 CODE:
1170 RETVAL = eio_nthreads (); 1424 RETVAL = eio_nthreads ();
1171 OUTPUT: 1425 OUTPUT:
1172 RETVAL 1426 RETVAL
1173 1427
1174int 1428int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1429fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE: 1430 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice); 1431 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT: 1432 OUTPUT:
1184 RETVAL 1433 RETVAL
1185 1434
1186ssize_t 1435ssize_t
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE: 1437 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count); 1438 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1439 OUTPUT:
1440 RETVAL
1441
1442void
1443mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1444 PPCODE:
1445 sv_unmagic (scalar, MMAP_MAGIC);
1446{
1447 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1448 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1449 if (addr == (void *)-1)
1450 XSRETURN_NO;
1451
1452 sv_force_normal (scalar);
1453
1454 /* we store the length in mg_obj, as namlen is I32 :/ */
1455 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1456 ->mg_obj = (SV *)length;
1457
1458 SvUPGRADE (scalar, SVt_PV); /* nop... */
1459
1460 if (!(prot & PROT_WRITE))
1461 SvREADONLY_on (scalar);
1462
1463 if (SvLEN (scalar))
1464 Safefree (SvPVX (scalar));
1465
1466 SvPVX (scalar) = (char *)addr;
1467 SvCUR_set (scalar, length);
1468 SvLEN_set (scalar, 0);
1469 SvPOK_only (scalar);
1470
1471 XSRETURN_YES;
1472}
1473
1474void
1475munmap (SV *scalar)
1476 CODE:
1477 sv_unmagic (scalar, MMAP_MAGIC);
1478
1479int
1480madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1481 ALIAS:
1482 mprotect = 1
1483 CODE:
1484{
1485 STRLEN svlen;
1486 void *addr = SvPVbyte (scalar, svlen);
1487 size_t len = SvUV (length);
1488
1489 if (offset < 0)
1490 offset += svlen;
1491
1492 if (offset < 0 || offset > svlen)
1493 croak ("offset outside of scalar");
1494
1495 if (!SvOK (length) || len + offset > svlen)
1496 len = svlen - offset;
1497
1498 addr = (void *)(((intptr_t)addr) + offset);
1499 eio_page_align (&addr, &len);
1500
1501 switch (ix)
1502 {
1503 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1504 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1505 }
1506}
1507 OUTPUT:
1508 RETVAL
1509
1510int
1511munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1512 CODE:
1513{
1514 STRLEN svlen;
1515 void *addr = SvPVbyte (scalar, svlen);
1516 size_t len = SvUV (length);
1517
1518 if (offset < 0)
1519 offset += svlen;
1520
1521 if (offset < 0 || offset > svlen)
1522 croak ("offset outside of scalar");
1523
1524 if (!SvOK (length) || len + offset > svlen)
1525 len = svlen - offset;
1526
1527 addr = (void *)(((intptr_t)addr) + offset);
1528 eio_page_align (&addr, &len);
1529#if _POSIX_MEMLOCK
1530 RETVAL = munlock (addr, len);
1531#else
1532 RETVAL = ((errno = ENOSYS), -1);
1533#endif
1534}
1535 OUTPUT:
1536 RETVAL
1537
1538int
1539munlockall ()
1540 CODE:
1541#if _POSIX_MEMLOCK
1542 munlockall ();
1543#else
1544 RETVAL = -1;
1545 errno = ENOSYS;
1546#endif
1547 OUTPUT:
1548 RETVAL
1191 1549
1192void _on_next_submit (SV *cb) 1550void _on_next_submit (SV *cb)
1193 CODE: 1551 CODE:
1194 SvREFCNT_dec (on_next_submit); 1552 SvREFCNT_dec (on_next_submit);
1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1553 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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