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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 1.176 by root, Thu Dec 2 10:04:47 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 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
256 364
257 switch (req->type) 365 switch (req->type)
258 { 366 {
259 case EIO_READDIR: 367 case EIO_READDIR:
260 { 368 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 436 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 437 char sym [64];
330 int symlen; 438 int symlen;
331 439
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 440 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 441 gv_init (gv, aio_stash, sym, symlen, 0);
334 442
335 symlen = snprintf ( 443 symlen = snprintf (
336 sym, 444 sym,
337 sizeof (sym), 445 sizeof (sym),
338 "%s&=%d", 446 "%s&=%d",
… …
346 454
347 PUSHs (fh); 455 PUSHs (fh);
348 } 456 }
349 break; 457 break;
350 458
459 case EIO_STATVFS:
460 case EIO_FSTATVFS:
461 {
462 SV *rv = &PL_sv_undef;
463
464 if (req->result >= 0)
465 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV ();
468
469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 }
483
484 PUSHs (rv);
485 }
486
487 break;
488
351 case EIO_GROUP: 489 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 490 req->int1 = 2; /* mark group as finished */
353 491
354 if (req->sv1) 492 if (req->sv1)
355 { 493 {
… …
375 case EIO_LSTAT: 513 case EIO_LSTAT:
376 case EIO_FSTAT: 514 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 516 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
381 break; 519 break;
382 520
383 case EIO_READ: 521 case EIO_READ:
384 { 522 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 525 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 526 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 527 PUSHs (sv_result);
390 } 528 }
391 break; 529 break;
392 530
393 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
394 if (req->result > 0) 532 if (req->result > 0)
395 req->result = 0; 533 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
397 535
398 default: 536 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
400 break; 538 break;
401 } 539 }
402 540
403 errno = req->errorno; 541 errno = req->errorno;
404 542
405 PUTBACK; 543 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
408 551
409 FREETMPS; 552 FREETMPS;
410 LEAVE; 553 LEAVE;
411 554
412 PUTBACK; 555 PUTBACK;
… …
441 grp->sv2 = 0; 584 grp->sv2 = 0;
442 585
443 eio_grp_cancel (grp); 586 eio_grp_cancel (grp);
444} 587}
445 588
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 589static void
453create_respipe (void) 590create_respipe (void)
454{ 591{
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)) 592 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 593 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} 594}
489 595
490static void poll_wait (void) 596static void poll_wait (void)
491{ 597{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 598 while (eio_nreqs ())
495 { 599 {
496 int size; 600 int size;
497 601
498 X_LOCK (reslock); 602 X_LOCK (reslock);
… …
502 if (size) 606 if (size)
503 return; 607 return;
504 608
505 etp_maybe_start_thread (); 609 etp_maybe_start_thread ();
506 610
507 FD_ZERO (&rfd); 611 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 612 }
512} 613}
513 614
514static int poll_cb (void) 615static int poll_cb (void)
515{ 616{
… …
530static void atfork_child (void) 631static void atfork_child (void)
531{ 632{
532 create_respipe (); 633 create_respipe ();
533} 634}
534 635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
677
535static SV * 678static SV *
536get_cb (SV *cb_sv) 679get_cb (SV *cb_sv)
537{ 680{
538 HV *st; 681 SvGETMAGIC (cb_sv);
539 GV *gvp; 682 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} 683}
552 684
553#define dREQ \ 685#define dREQ \
554 SV *cb_cv; \ 686 SV *cb_cv; \
555 aio_req req; \ 687 aio_req req; \
… …
569 PUTBACK; \ 701 PUTBACK; \
570 req_submit (req); \ 702 req_submit (req); \
571 SPAGAIN; \ 703 SPAGAIN; \
572 \ 704 \
573 if (GIMME_V != G_VOID) \ 705 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 706 XPUSHs (req_sv (req, aio_req_stash));
575 707
576MODULE = IO::AIO PACKAGE = IO::AIO 708MODULE = IO::AIO PACKAGE = IO::AIO
577 709
578PROTOTYPES: ENABLE 710PROTOTYPES: ENABLE
579 711
… …
581{ 713{
582 static const struct { 714 static const struct {
583 const char *name; 715 const char *name;
584 IV iv; 716 IV iv;
585 } *civ, const_iv[] = { 717 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 718# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 720# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 721 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 722 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 723 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 726 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
594#ifndef _WIN32 730#ifndef _WIN32
595 const_iv (S_IFIFO , S_IFIFO) 731 const_iv (S_IFIFO)
596#endif 732#endif
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
739
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
750 const_iv (ST_SYNCHRONOUS)
751 const_iv (ST_MANDLOCK)
752 const_iv (ST_WRITE)
753 const_iv (ST_APPEND)
754 const_iv (ST_IMMUTABLE)
755 const_iv (ST_NOATIME)
756 const_iv (ST_NODIRATIME)
757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
778
779 const_eio (MS_ASYNC)
780 const_eio (MS_INVALIDATE)
781 const_eio (MS_SYNC)
782
783 const_eio (MT_MODIFY)
603 784
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 785 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 786 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 787 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 788
… …
619 const_eio (DT_LNK) 800 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 801 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 802 const_eio (DT_WHT)
622 }; 803 };
623 804
624 stash = gv_stashpv ("IO::AIO", 1); 805 aio_stash = gv_stashpv ("IO::AIO" , 1);
806 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
625 808
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
628 813
629 create_respipe (); 814 create_respipe ();
630 815
631 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
… …
671 CODE: 856 CODE:
672 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
673 858
674void 859void
675aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
676 PROTOTYPE: $$$;$
677 PPCODE: 861 PPCODE:
678{ 862{
679 dREQ; 863 dREQ;
680 864
681 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
… …
687 REQ_SEND; 871 REQ_SEND;
688} 872}
689 873
690void 874void
691aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
692 PROTOTYPE: $;$
693 ALIAS: 876 ALIAS:
694 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
695 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
696 PPCODE: 879 PPCODE:
697{ 880{
… …
705 REQ_SEND (req); 888 REQ_SEND (req);
706} 889}
707 890
708void 891void
709aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
710 PROTOTYPE: $$$$;$
711 PPCODE: 893 PPCODE:
712{ 894{
713 int fd = s_fileno_croak (fh, 0); 895 int fd = s_fileno_croak (fh, 0);
714 dREQ; 896 dREQ;
715 897
… …
723 REQ_SEND (req); 905 REQ_SEND (req);
724} 906}
725 907
726void 908void
727aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
728 PROTOTYPE: $;$
729 PPCODE: 910 PPCODE:
730{ 911{
731 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
732 int fd = s_fileno_croak (fh, 0); 913 int fd = s_fileno_croak (fh, 0);
733 dREQ; 914 dREQ;
… …
755void 936void
756aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
757 ALIAS: 938 ALIAS:
758 aio_read = EIO_READ 939 aio_read = EIO_READ
759 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
760 PROTOTYPE: $$$$$;$
761 PPCODE: 941 PPCODE:
762{ 942{
763 STRLEN svlen; 943 STRLEN svlen;
764 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
765 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
… …
806 } 986 }
807} 987}
808 988
809void 989void
810aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
811 PROTOTYPE: $$;$
812 PPCODE: 991 PPCODE:
813{ 992{
814 SV *data; 993 SV *data;
815 dREQ; 994 dREQ;
816 995
… …
821 REQ_SEND; 1000 REQ_SEND;
822} 1001}
823 1002
824void 1003void
825aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
826 PROTOTYPE: $$$$;$
827 PPCODE: 1005 PPCODE:
828{ 1006{
829 int ifd = s_fileno_croak (in_fh , 0); 1007 int ifd = s_fileno_croak (in_fh , 0);
830 int ofd = s_fileno_croak (out_fh, 1); 1008 int ofd = s_fileno_croak (out_fh, 1);
831 dREQ; 1009 dREQ;
… …
841 REQ_SEND; 1019 REQ_SEND;
842} 1020}
843 1021
844void 1022void
845aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $$$;$
847 PPCODE: 1024 PPCODE:
848{ 1025{
849 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
850 dREQ; 1027 dREQ;
851 1028
… …
859} 1036}
860 1037
861void 1038void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 1040 ALIAS:
864 aio_stat = EIO_STAT 1041 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1042 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS
866 PPCODE: 1044 PPCODE:
867{ 1045{
868 dREQ; 1046 dREQ;
869 1047
870 req->sv1 = newSVsv (fh_or_path); 1048 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 1052 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 1054 }
877 else 1055 else
878 { 1056 {
879 req->type = EIO_FSTAT; 1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1059 }
882 1060
883 REQ_SEND; 1061 REQ_SEND;
884} 1062}
… …
1047 1225
1048 REQ_SEND; 1226 REQ_SEND;
1049} 1227}
1050 1228
1051void 1229void
1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1231 ALIAS:
1232 aio_mtouch = EIO_MTOUCH
1233 aio_msync = EIO_MSYNC
1234 PPCODE:
1235{
1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1238 UV len = SvUV (length);
1239
1240 if (offset < 0)
1241 offset += svlen;
1242
1243 if (offset < 0 || offset > svlen)
1244 croak ("offset outside of scalar");
1245
1246 if (!SvOK (length) || len + offset > svlen)
1247 len = svlen - offset;
1248
1249 {
1250 dREQ;
1251
1252 req->type = ix;
1253 req->sv2 = SvREFCNT_inc (data);
1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1256 req->int1 = flags;
1257
1258 REQ_SEND;
1259 }
1260}
1261
1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1305 PPCODE:
1054{ 1306{
1055 dREQ; 1307 dREQ;
1056 1308
… …
1060 REQ_SEND; 1312 REQ_SEND;
1061} 1313}
1062 1314
1063void 1315void
1064aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
1065 PROTOTYPE: ;$
1066 PPCODE: 1317 PPCODE:
1067{ 1318{
1068 dREQ; 1319 dREQ;
1069 1320
1070 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
1071 1322
1072 req_submit (req); 1323 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1324 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1325}
1075 1326
1076void 1327void
1077aio_nop (SV *callback=&PL_sv_undef) 1328aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1329 ALIAS:
… …
1087 REQ_SEND; 1338 REQ_SEND;
1088} 1339}
1089 1340
1090int 1341int
1091aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
1092 PROTOTYPE: ;$
1093 CODE: 1343 CODE:
1094 RETVAL = next_pri; 1344 RETVAL = next_pri;
1095 if (items > 0) 1345 if (items > 0)
1096 { 1346 {
1097 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1109 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1110 next_pri = nice; 1360 next_pri = nice;
1111 1361
1112void 1362void
1113flush () 1363flush ()
1114 PROTOTYPE:
1115 CODE: 1364 CODE:
1116 while (eio_nreqs ()) 1365 while (eio_nreqs ())
1117 { 1366 {
1118 poll_wait (); 1367 poll_wait ();
1119 poll_cb (); 1368 poll_cb ();
1120 } 1369 }
1121 1370
1122int 1371int
1123poll() 1372poll ()
1124 PROTOTYPE:
1125 CODE: 1373 CODE:
1126 poll_wait (); 1374 poll_wait ();
1127 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
1128 OUTPUT: 1376 OUTPUT:
1129 RETVAL 1377 RETVAL
1130 1378
1131int 1379int
1132poll_fileno() 1380poll_fileno ()
1133 PROTOTYPE:
1134 CODE: 1381 CODE:
1135 RETVAL = respipe [0]; 1382 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1383 OUTPUT:
1137 RETVAL 1384 RETVAL
1138 1385
1139int 1386int
1140poll_cb(...) 1387poll_cb (...)
1141 PROTOTYPE: 1388 PROTOTYPE:
1142 CODE: 1389 CODE:
1143 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
1144 OUTPUT: 1391 OUTPUT:
1145 RETVAL 1392 RETVAL
1146 1393
1147void 1394void
1148poll_wait() 1395poll_wait ()
1149 PROTOTYPE:
1150 CODE: 1396 CODE:
1151 poll_wait (); 1397 poll_wait ();
1152 1398
1153int 1399int
1154nreqs() 1400nreqs ()
1155 PROTOTYPE:
1156 CODE: 1401 CODE:
1157 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
1158 OUTPUT: 1403 OUTPUT:
1159 RETVAL 1404 RETVAL
1160 1405
1161int 1406int
1162nready() 1407nready ()
1163 PROTOTYPE:
1164 CODE: 1408 CODE:
1165 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
1166 OUTPUT: 1410 OUTPUT:
1167 RETVAL 1411 RETVAL
1168 1412
1169int 1413int
1170npending() 1414npending ()
1171 PROTOTYPE:
1172 CODE: 1415 CODE:
1173 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
1174 OUTPUT: 1417 OUTPUT:
1175 RETVAL 1418 RETVAL
1176 1419
1177int 1420int
1178nthreads() 1421nthreads ()
1179 PROTOTYPE:
1180 CODE: 1422 CODE:
1181 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1182 OUTPUT: 1424 OUTPUT:
1183 RETVAL 1425 RETVAL
1184 1426
1185int 1427int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$
1188 CODE: 1429 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 1431 OUTPUT:
1195 RETVAL 1432 RETVAL
1196 1433
1197ssize_t 1434ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$
1200 CODE: 1436 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438 OUTPUT:
1439 RETVAL
1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1202 1548
1203void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1204 CODE: 1550 CODE:
1205 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1567 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1568 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1569
1224 if (items > 1) 1570 if (items > 1)
1225 { 1571 {
1226 SV *cb_cv = get_cb (callback); 1572 SV *cb_cv =get_cb (callback);
1227 1573
1228 SvREFCNT_dec (req->callback); 1574 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1575 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1576 }
1231} 1577}

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