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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 1.175 by root, Wed Dec 1 04:43:12 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; \
… …
119 122
120#include "libeio/eio.h" 123#include "libeio/eio.h"
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
125#endif 127#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 128#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 129# define POSIX_FADV_SEQUENTIAL 0
129#endif 130#endif
130
131#ifndef POSIX_FADV_RANDOM 131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 132# define POSIX_FADV_RANDOM 0
133#endif 133#endif
134
135#ifndef POSIX_FADV_NOREUSE 134#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 135# define POSIX_FADV_NOREUSE 0
137#endif 136#endif
138
139#ifndef POSIX_FADV_WILLNEED 137#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 138# define POSIX_FADV_WILLNEED 0
141#endif 139#endif
142
143#ifndef POSIX_FADV_DONTNEED 140#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 141# define POSIX_FADV_DONTNEED 0
142#endif
143
144#if !HAVE_POSIX_FADVISE
145# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
146#endif
147
148#ifndef POSIX_MADV_NORMAL
149# define POSIX_MADV_NORMAL 0
150#endif
151#ifndef POSIX_MADV_SEQUENTIAL
152# define POSIX_MADV_SEQUENTIAL 0
153#endif
154#ifndef POSIX_MADV_RANDOM
155# define POSIX_MADV_RANDOM 0
156#endif
157#ifndef POSIX_MADV_WILLNEED
158# define POSIX_MADV_WILLNEED 0
159#endif
160#ifndef POSIX_MADV_DONTNEED
161# define POSIX_MADV_DONTNEED 0
162#endif
163
164#if !HAVE_POSIX_MADVISE
165# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166#endif
167
168#ifndef PROT_NONE
169# define PROT_NONE 0
170#endif
171#ifndef PROT_READ
172# define PROT_READ 0
173#endif
174#ifndef PROT_WRITE
175# define PROT_READ 0
176#endif
177#ifndef PROT_EXEC
178# define PROT_EXEC 0
179#endif
180
181#ifndef ST_NODEV
182# define ST_NODEV 0
183#endif
184#ifndef ST_NOEXEC
185# define ST_NOEXEC 0
186#endif
187#ifndef ST_SYNCHRONOUS
188# define ST_SYNCHRONOUS 0
189#endif
190#ifndef ST_MANDLOCK
191# define ST_MANDLOCK 0
192#endif
193#ifndef ST_WRITE
194# define ST_WRITE 0
195#endif
196#ifndef ST_APPEND
197# define ST_APPEND 0
198#endif
199#ifndef ST_IMMUTABLE
200# define ST_IMMUTABLE 0
201#endif
202#ifndef ST_NOATIME
203# define ST_NOATIME 0
204#endif
205#ifndef ST_NODIRATIME
206# define ST_NODIRATIME 0
207#endif
208#ifndef ST_RELATIME
209# define ST_RELATIME 0
210#endif
211
212#ifndef MAP_ANONYMOUS
213# ifdef MAP_ANON
214# define MAP_ANONYMOUS MAP_ANON
215# else
216# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
217# endif
218#endif
219#ifndef MAP_HUGETLB
220# define MAP_HUGETLB 0
221#endif
222#ifndef MAP_LOCKED
223# define MAP_LOCKED 0
224#endif
225#ifndef MAP_NORESERVE
226# define MAP_NORESERVE 0
227#endif
228#ifndef MAP_POPULATE
229# define MAP_POPULATE 0
230#endif
231#ifndef MAP_NONBLOCK
232# define MAP_NONBLOCK 0
233#endif
234
235#ifndef PAGESIZE
236# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 237#endif
146 238
147static int req_invoke (eio_req *req); 239static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 240#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 241static void req_destroy (eio_req *grp);
… …
160 252
161static SV *on_next_submit; 253static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 254static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 255static int max_outstanding;
164 256
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 257static s_epipe respipe;
166 258
167static void req_destroy (aio_req req); 259static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 260static void req_cancel (aio_req req);
169 261
170static void want_poll (void) 262static void want_poll (void)
171{ 263{
172 /* write a dummy byte to the pipe so fh becomes ready */ 264 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 265 s_epipe_signal (&respipe);
174} 266}
175 267
176static void done_poll (void) 268static void done_poll (void)
177{ 269{
178 /* read any signals sent by the worker threads */ 270 /* read any signals sent by the worker threads */
179 char buf [4]; 271 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 272}
183 273
184/* must be called at most once */ 274/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 275static SV *req_sv (aio_req req, HV *stash)
186{ 276{
187 if (!req->self) 277 if (!req->self)
188 { 278 {
189 req->self = (SV *)newHV (); 279 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 280 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 281 }
192 282
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 283 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 284}
195 285
196static aio_req SvAIO_REQ (SV *sv) 286static aio_req SvAIO_REQ (SV *sv)
197{ 287{
198 MAGIC *mg; 288 MAGIC *mg;
199 289
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 290 if (!SvROK (sv)
291 || (SvSTASH (SvRV (sv)) != aio_grp_stash
292 && SvSTASH (SvRV (sv)) != aio_req_stash
293 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 294 croak ("object of class IO::AIO::REQ expected");
202 295
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 296 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 297
205 return mg ? (aio_req)mg->mg_ptr : 0; 298 return mg ? (aio_req)mg->mg_ptr : 0;
206} 299}
… …
212 dSP; 305 dSP;
213 306
214 ENTER; 307 ENTER;
215 SAVETMPS; 308 SAVETMPS;
216 PUSHMARK (SP); 309 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 310 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 311 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 312 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 313 SPAGAIN;
221 FREETMPS; 314 FREETMPS;
222 LEAVE; 315 LEAVE;
… …
240 } 333 }
241} 334}
242 335
243static int req_invoke (eio_req *req) 336static int req_invoke (eio_req *req)
244{ 337{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 338 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 339 SvREADONLY_off (req->sv2);
249 340
250 if (!EIO_CANCELLED (req) && req->callback) 341 if (!EIO_CANCELLED (req) && req->callback)
251 { 342 {
343 dSP;
344 static SV *sv_result_cache; /* caches the result integer SV */
345 SV *sv_result;
346
252 ENTER; 347 ENTER;
253 SAVETMPS; 348 SAVETMPS;
254 PUSHMARK (SP); 349 PUSHMARK (SP);
255 EXTEND (SP, 1); 350 EXTEND (SP, 1);
351
352 /* do not recreate the result IV from scratch each time */
353 if (expect_true (sv_result_cache))
354 {
355 sv_result = sv_result_cache; sv_result_cache = 0;
356 SvIV_set (sv_result, req->result);
357 }
358 else
359 {
360 sv_result = newSViv (req->result);
361 SvREADONLY_on (sv_result);
362 }
256 363
257 switch (req->type) 364 switch (req->type)
258 { 365 {
259 case EIO_READDIR: 366 case EIO_READDIR:
260 { 367 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 435 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 436 char sym [64];
330 int symlen; 437 int symlen;
331 438
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 439 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 440 gv_init (gv, aio_stash, sym, symlen, 0);
334 441
335 symlen = snprintf ( 442 symlen = snprintf (
336 sym, 443 sym,
337 sizeof (sym), 444 sizeof (sym),
338 "%s&=%d", 445 "%s&=%d",
… …
346 453
347 PUSHs (fh); 454 PUSHs (fh);
348 } 455 }
349 break; 456 break;
350 457
458 case EIO_STATVFS:
459 case EIO_FSTATVFS:
460 {
461 SV *rv = &PL_sv_undef;
462
463 if (req->result >= 0)
464 {
465 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
466 HV *hv = newHV ();
467
468 rv = sv_2mortal (newRV_noinc ((SV *)hv));
469
470 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
471 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
472 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
473 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
474 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
475 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
476 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
477 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
478 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
479 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
480 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
481 }
482
483 PUSHs (rv);
484 }
485
486 break;
487
351 case EIO_GROUP: 488 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 489 req->int1 = 2; /* mark group as finished */
353 490
354 if (req->sv1) 491 if (req->sv1)
355 { 492 {
… …
375 case EIO_LSTAT: 512 case EIO_LSTAT:
376 case EIO_FSTAT: 513 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 514 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 515 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 516 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 517 PUSHs (sv_result);
381 break; 518 break;
382 519
383 case EIO_READ: 520 case EIO_READ:
384 { 521 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 522 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 523 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 524 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 525 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 526 PUSHs (sv_result);
390 } 527 }
391 break; 528 break;
392 529
393 case EIO_DUP2: 530 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
394 if (req->result > 0) 531 if (req->result > 0)
395 req->result = 0; 532 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 533 /* FALLTHROUGH */
397 534
398 default: 535 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 536 PUSHs (sv_result);
400 break; 537 break;
401 } 538 }
402 539
403 errno = req->errorno; 540 errno = req->errorno;
404 541
405 PUTBACK; 542 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 543 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 544 SPAGAIN;
545
546 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
547 SvREFCNT_dec (sv_result);
548 else
549 sv_result_cache = sv_result;
408 550
409 FREETMPS; 551 FREETMPS;
410 LEAVE; 552 LEAVE;
411 553
412 PUTBACK; 554 PUTBACK;
… …
441 grp->sv2 = 0; 583 grp->sv2 = 0;
442 584
443 eio_grp_cancel (grp); 585 eio_grp_cancel (grp);
444} 586}
445 587
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 588static void
453create_respipe (void) 589create_respipe (void)
454{ 590{
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)) 591 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 592 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} 593}
489 594
490static void poll_wait (void) 595static void poll_wait (void)
491{ 596{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 597 while (eio_nreqs ())
495 { 598 {
496 int size; 599 int size;
497 600
498 X_LOCK (reslock); 601 X_LOCK (reslock);
… …
502 if (size) 605 if (size)
503 return; 606 return;
504 607
505 etp_maybe_start_thread (); 608 etp_maybe_start_thread ();
506 609
507 FD_ZERO (&rfd); 610 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 611 }
512} 612}
513 613
514static int poll_cb (void) 614static int poll_cb (void)
515{ 615{
… …
529 629
530static void atfork_child (void) 630static void atfork_child (void)
531{ 631{
532 create_respipe (); 632 create_respipe ();
533} 633}
634
635/*****************************************************************************/
636
637#if !_POSIX_MAPPED_FILES
638# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
639# define munmap(addr,length) (errno = ENOSYS, -1)
640# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
641# define PROT_NONE 0
642# define PROT_WRITE 0
643# define MAP_PRIVATE 0
644# define MAP_SHARED 0
645# define MAP_FIXED 0
646#endif
647
648#define MMAP_MAGIC PERL_MAGIC_ext
649
650static int
651mmap_free (pTHX_ SV *sv, MAGIC *mg)
652{
653 int old_errno = errno;
654 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
655 errno = old_errno;
656
657 mg->mg_obj = 0; /* just in case */
658
659 SvREADONLY_off (sv);
660
661 if (SvPVX (sv) != mg->mg_ptr)
662 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
663
664 SvCUR_set (sv, 0);
665 SvPVX (sv) = 0;
666 SvOK_off (sv);
667
668 return 0;
669}
670
671static MGVTBL mmap_vtbl = {
672 0, 0, 0, 0, mmap_free
673};
674
675/*****************************************************************************/
534 676
535static SV * 677static SV *
536get_cb (SV *cb_sv) 678get_cb (SV *cb_sv)
537{ 679{
538 SvGETMAGIC (cb_sv); 680 SvGETMAGIC (cb_sv);
… …
558 PUTBACK; \ 700 PUTBACK; \
559 req_submit (req); \ 701 req_submit (req); \
560 SPAGAIN; \ 702 SPAGAIN; \
561 \ 703 \
562 if (GIMME_V != G_VOID) \ 704 if (GIMME_V != G_VOID) \
563 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 705 XPUSHs (req_sv (req, aio_req_stash));
564 706
565MODULE = IO::AIO PACKAGE = IO::AIO 707MODULE = IO::AIO PACKAGE = IO::AIO
566 708
567PROTOTYPES: ENABLE 709PROTOTYPES: ENABLE
568 710
… …
570{ 712{
571 static const struct { 713 static const struct {
572 const char *name; 714 const char *name;
573 IV iv; 715 IV iv;
574 } *civ, const_iv[] = { 716 } *civ, const_iv[] = {
575# define const_iv(name, value) { # name, (IV) value }, 717# define const_niv(name, value) { # name, (IV) value },
718# define const_iv(name) { # name, (IV) name },
576# define const_eio(name) { # name, (IV) EIO_ ## name }, 719# define const_eio(name) { # name, (IV) EIO_ ## name },
577 const_iv (EXDEV , EXDEV) 720 const_iv (EXDEV)
578 const_iv (ENOSYS , ENOSYS) 721 const_iv (ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY) 722 const_iv (O_RDONLY)
580 const_iv (O_WRONLY, O_WRONLY) 723 const_iv (O_WRONLY)
724 const_iv (O_RDWR)
581 const_iv (O_CREAT , O_CREAT) 725 const_iv (O_CREAT)
582 const_iv (O_TRUNC , O_TRUNC) 726 const_iv (O_TRUNC)
727 const_iv (O_EXCL)
728 const_iv (O_APPEND)
583#ifndef _WIN32 729#ifndef _WIN32
584 const_iv (S_IFIFO , S_IFIFO) 730 const_iv (S_IFIFO)
585#endif 731#endif
586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 732 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 733 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 734 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 735 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 736 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 737 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
738
739 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
740 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
741 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
742 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
743 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
744
745 const_iv (ST_RDONLY)
746 const_iv (ST_NOSUID)
747 const_iv (ST_NODEV)
748 const_iv (ST_NOEXEC)
749 const_iv (ST_SYNCHRONOUS)
750 const_iv (ST_MANDLOCK)
751 const_iv (ST_WRITE)
752 const_iv (ST_APPEND)
753 const_iv (ST_IMMUTABLE)
754 const_iv (ST_NOATIME)
755 const_iv (ST_NODIRATIME)
756 const_iv (ST_RELATIME)
757
758 const_iv (PROT_NONE)
759 const_iv (PROT_EXEC)
760 const_iv (PROT_READ)
761 const_iv (PROT_WRITE)
762
763 /*const_iv (MAP_FIXED)*/
764 const_iv (MAP_PRIVATE)
765 const_iv (MAP_SHARED)
766 const_iv (MAP_ANONYMOUS)
767
768 /* linuxish */
769 const_iv (MAP_HUGETLB)
770 const_iv (MAP_LOCKED)
771 const_iv (MAP_NORESERVE)
772 const_iv (MAP_POPULATE)
773 const_iv (MAP_NONBLOCK)
774
775 const_eio (MCL_FUTURE)
776 const_eio (MCL_CURRENT)
777
778 const_eio (MS_ASYNC)
779 const_eio (MS_INVALIDATE)
780 const_eio (MS_SYNC)
781
782 const_eio (MT_MODIFY)
592 783
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 784 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE) 785 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 786 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
596 787
… …
608 const_eio (DT_LNK) 799 const_eio (DT_LNK)
609 const_eio (DT_SOCK) 800 const_eio (DT_SOCK)
610 const_eio (DT_WHT) 801 const_eio (DT_WHT)
611 }; 802 };
612 803
613 stash = gv_stashpv ("IO::AIO", 1); 804 aio_stash = gv_stashpv ("IO::AIO" , 1);
805 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
806 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
614 807
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 808 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 809 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
810
811 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
617 812
618 create_respipe (); 813 create_respipe ();
619 814
620 if (eio_init (want_poll, done_poll) < 0) 815 if (eio_init (want_poll, done_poll) < 0)
621 croak ("IO::AIO: unable to initialise eio library"); 816 croak ("IO::AIO: unable to initialise eio library");
… …
660 CODE: 855 CODE:
661 max_outstanding = maxreqs; 856 max_outstanding = maxreqs;
662 857
663void 858void
664aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 859aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
665 PROTOTYPE: $$$;$
666 PPCODE: 860 PPCODE:
667{ 861{
668 dREQ; 862 dREQ;
669 863
670 req->type = EIO_OPEN; 864 req->type = EIO_OPEN;
… …
676 REQ_SEND; 870 REQ_SEND;
677} 871}
678 872
679void 873void
680aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 874aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $;$
682 ALIAS: 875 ALIAS:
683 aio_fsync = EIO_FSYNC 876 aio_fsync = EIO_FSYNC
684 aio_fdatasync = EIO_FDATASYNC 877 aio_fdatasync = EIO_FDATASYNC
685 PPCODE: 878 PPCODE:
686{ 879{
… …
694 REQ_SEND (req); 887 REQ_SEND (req);
695} 888}
696 889
697void 890void
698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 891aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $$$$;$
700 PPCODE: 892 PPCODE:
701{ 893{
702 int fd = s_fileno_croak (fh, 0); 894 int fd = s_fileno_croak (fh, 0);
703 dREQ; 895 dREQ;
704 896
… …
712 REQ_SEND (req); 904 REQ_SEND (req);
713} 905}
714 906
715void 907void
716aio_close (SV *fh, SV *callback=&PL_sv_undef) 908aio_close (SV *fh, SV *callback=&PL_sv_undef)
717 PROTOTYPE: $;$
718 PPCODE: 909 PPCODE:
719{ 910{
720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 911 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
721 int fd = s_fileno_croak (fh, 0); 912 int fd = s_fileno_croak (fh, 0);
722 dREQ; 913 dREQ;
… …
744void 935void
745aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 936aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
746 ALIAS: 937 ALIAS:
747 aio_read = EIO_READ 938 aio_read = EIO_READ
748 aio_write = EIO_WRITE 939 aio_write = EIO_WRITE
749 PROTOTYPE: $$$$$;$
750 PPCODE: 940 PPCODE:
751{ 941{
752 STRLEN svlen; 942 STRLEN svlen;
753 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 943 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
754 char *svptr = SvPVbyte (data, svlen); 944 char *svptr = SvPVbyte (data, svlen);
… …
795 } 985 }
796} 986}
797 987
798void 988void
799aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 989aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$;$
801 PPCODE: 990 PPCODE:
802{ 991{
803 SV *data; 992 SV *data;
804 dREQ; 993 dREQ;
805 994
… …
810 REQ_SEND; 999 REQ_SEND;
811} 1000}
812 1001
813void 1002void
814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1003aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
815 PROTOTYPE: $$$$;$
816 PPCODE: 1004 PPCODE:
817{ 1005{
818 int ifd = s_fileno_croak (in_fh , 0); 1006 int ifd = s_fileno_croak (in_fh , 0);
819 int ofd = s_fileno_croak (out_fh, 1); 1007 int ofd = s_fileno_croak (out_fh, 1);
820 dREQ; 1008 dREQ;
… …
830 REQ_SEND; 1018 REQ_SEND;
831} 1019}
832 1020
833void 1021void
834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1022aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$;$
836 PPCODE: 1023 PPCODE:
837{ 1024{
838 int fd = s_fileno_croak (fh, 0); 1025 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1026 dREQ;
840 1027
… …
848} 1035}
849 1036
850void 1037void
851aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1038aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
852 ALIAS: 1039 ALIAS:
853 aio_stat = EIO_STAT 1040 aio_stat = EIO_STAT
854 aio_lstat = EIO_LSTAT 1041 aio_lstat = EIO_LSTAT
1042 aio_statvfs = EIO_STATVFS
855 PPCODE: 1043 PPCODE:
856{ 1044{
857 dREQ; 1045 dREQ;
858 1046
859 req->sv1 = newSVsv (fh_or_path); 1047 req->sv1 = newSVsv (fh_or_path);
… …
863 req->type = ix; 1051 req->type = ix;
864 req->ptr1 = SvPVbyte_nolen (req->sv1); 1052 req->ptr1 = SvPVbyte_nolen (req->sv1);
865 } 1053 }
866 else 1054 else
867 { 1055 {
868 req->type = EIO_FSTAT; 1056 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
869 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1057 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
870 } 1058 }
871 1059
872 REQ_SEND; 1060 REQ_SEND;
873} 1061}
… …
1036 1224
1037 REQ_SEND; 1225 REQ_SEND;
1038} 1226}
1039 1227
1040void 1228void
1229aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1230 ALIAS:
1231 aio_mtouch = EIO_MTOUCH
1232 aio_msync = EIO_MSYNC
1233 PPCODE:
1234{
1235 STRLEN svlen;
1236 char *svptr = SvPVbyte (data, svlen);
1237 UV len = SvUV (length);
1238
1239 if (offset < 0)
1240 offset += svlen;
1241
1242 if (offset < 0 || offset > svlen)
1243 croak ("offset outside of scalar");
1244
1245 if (!SvOK (length) || len + offset > svlen)
1246 len = svlen - offset;
1247
1248 {
1249 dREQ;
1250
1251 req->type = ix;
1252 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset;
1254 req->size = len;
1255 req->int1 = flags;
1256
1257 REQ_SEND;
1258 }
1259}
1260
1261void
1262aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1263 PPCODE:
1264{
1265 STRLEN svlen;
1266 char *svptr = SvPVbyte (data, svlen);
1267 UV len = SvUV (length);
1268
1269 if (offset < 0)
1270 offset += svlen;
1271
1272 if (offset < 0 || offset > svlen)
1273 croak ("offset outside of scalar");
1274
1275 if (!SvOK (length) || len + offset > svlen)
1276 len = svlen - offset;
1277
1278 {
1279 dREQ;
1280
1281 req->type = EIO_MLOCK;
1282 req->sv2 = SvREFCNT_inc (data);
1283 req->ptr2 = (char *)svptr + offset;
1284 req->size = len;
1285
1286 REQ_SEND;
1287 }
1288}
1289
1290void
1291aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1292 PPCODE:
1293{
1294 dREQ;
1295
1296 req->type = EIO_MLOCKALL;
1297 req->int1 = flags;
1298
1299 REQ_SEND;
1300}
1301
1302void
1041aio_busy (double delay, SV *callback=&PL_sv_undef) 1303aio_busy (double delay, SV *callback=&PL_sv_undef)
1042 PPCODE: 1304 PPCODE:
1043{ 1305{
1044 dREQ; 1306 dREQ;
1045 1307
… …
1049 REQ_SEND; 1311 REQ_SEND;
1050} 1312}
1051 1313
1052void 1314void
1053aio_group (SV *callback=&PL_sv_undef) 1315aio_group (SV *callback=&PL_sv_undef)
1054 PROTOTYPE: ;$
1055 PPCODE: 1316 PPCODE:
1056{ 1317{
1057 dREQ; 1318 dREQ;
1058 1319
1059 req->type = EIO_GROUP; 1320 req->type = EIO_GROUP;
1060 1321
1061 req_submit (req); 1322 req_submit (req);
1062 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1323 XPUSHs (req_sv (req, aio_grp_stash));
1063} 1324}
1064 1325
1065void 1326void
1066aio_nop (SV *callback=&PL_sv_undef) 1327aio_nop (SV *callback=&PL_sv_undef)
1067 ALIAS: 1328 ALIAS:
… …
1076 REQ_SEND; 1337 REQ_SEND;
1077} 1338}
1078 1339
1079int 1340int
1080aioreq_pri (int pri = 0) 1341aioreq_pri (int pri = 0)
1081 PROTOTYPE: ;$
1082 CODE: 1342 CODE:
1083 RETVAL = next_pri; 1343 RETVAL = next_pri;
1084 if (items > 0) 1344 if (items > 0)
1085 { 1345 {
1086 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1346 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1098 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1358 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1099 next_pri = nice; 1359 next_pri = nice;
1100 1360
1101void 1361void
1102flush () 1362flush ()
1103 PROTOTYPE:
1104 CODE: 1363 CODE:
1105 while (eio_nreqs ()) 1364 while (eio_nreqs ())
1106 { 1365 {
1107 poll_wait (); 1366 poll_wait ();
1108 poll_cb (); 1367 poll_cb ();
1109 } 1368 }
1110 1369
1111int 1370int
1112poll() 1371poll ()
1113 PROTOTYPE:
1114 CODE: 1372 CODE:
1115 poll_wait (); 1373 poll_wait ();
1116 RETVAL = poll_cb (); 1374 RETVAL = poll_cb ();
1117 OUTPUT: 1375 OUTPUT:
1118 RETVAL 1376 RETVAL
1119 1377
1120int 1378int
1121poll_fileno() 1379poll_fileno ()
1122 PROTOTYPE:
1123 CODE: 1380 CODE:
1124 RETVAL = respipe [0]; 1381 RETVAL = s_epipe_fd (&respipe);
1125 OUTPUT: 1382 OUTPUT:
1126 RETVAL 1383 RETVAL
1127 1384
1128int 1385int
1129poll_cb(...) 1386poll_cb (...)
1130 PROTOTYPE: 1387 PROTOTYPE:
1131 CODE: 1388 CODE:
1132 RETVAL = poll_cb (); 1389 RETVAL = poll_cb ();
1133 OUTPUT: 1390 OUTPUT:
1134 RETVAL 1391 RETVAL
1135 1392
1136void 1393void
1137poll_wait() 1394poll_wait ()
1138 PROTOTYPE:
1139 CODE: 1395 CODE:
1140 poll_wait (); 1396 poll_wait ();
1141 1397
1142int 1398int
1143nreqs() 1399nreqs ()
1144 PROTOTYPE:
1145 CODE: 1400 CODE:
1146 RETVAL = eio_nreqs (); 1401 RETVAL = eio_nreqs ();
1147 OUTPUT: 1402 OUTPUT:
1148 RETVAL 1403 RETVAL
1149 1404
1150int 1405int
1151nready() 1406nready ()
1152 PROTOTYPE:
1153 CODE: 1407 CODE:
1154 RETVAL = eio_nready (); 1408 RETVAL = eio_nready ();
1155 OUTPUT: 1409 OUTPUT:
1156 RETVAL 1410 RETVAL
1157 1411
1158int 1412int
1159npending() 1413npending ()
1160 PROTOTYPE:
1161 CODE: 1414 CODE:
1162 RETVAL = eio_npending (); 1415 RETVAL = eio_npending ();
1163 OUTPUT: 1416 OUTPUT:
1164 RETVAL 1417 RETVAL
1165 1418
1166int 1419int
1167nthreads() 1420nthreads ()
1168 PROTOTYPE:
1169 CODE: 1421 CODE:
1170 RETVAL = eio_nthreads (); 1422 RETVAL = eio_nthreads ();
1171 OUTPUT: 1423 OUTPUT:
1172 RETVAL 1424 RETVAL
1173 1425
1174int 1426int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1427fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE: 1428 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice); 1429 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT: 1430 OUTPUT:
1184 RETVAL 1431 RETVAL
1185 1432
1186ssize_t 1433ssize_t
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1434sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE: 1435 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count); 1436 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1437 OUTPUT:
1438 RETVAL
1439
1440void
1441mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1442 PPCODE:
1443 sv_unmagic (scalar, MMAP_MAGIC);
1444{
1445 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1446 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1447 if (addr == (void *)-1)
1448 XSRETURN_NO;
1449
1450 sv_force_normal (scalar);
1451
1452 /* we store the length in mg_obj, as namlen is I32 :/ */
1453 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1454 ->mg_obj = (SV *)length;
1455
1456 SvUPGRADE (scalar, SVt_PV); /* nop... */
1457
1458 if (!(prot & PROT_WRITE))
1459 SvREADONLY_on (scalar);
1460
1461 if (SvLEN (scalar))
1462 Safefree (SvPVX (scalar));
1463
1464 SvPVX (scalar) = (char *)addr;
1465 SvCUR_set (scalar, length);
1466 SvLEN_set (scalar, 0);
1467 SvPOK_only (scalar);
1468
1469 XSRETURN_YES;
1470}
1471
1472void
1473munmap (SV *scalar)
1474 CODE:
1475 sv_unmagic (scalar, MMAP_MAGIC);
1476
1477int
1478madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1479 ALIAS:
1480 mprotect = 1
1481 CODE:
1482{
1483 STRLEN svlen;
1484 void *addr = SvPVbyte (scalar, svlen);
1485 size_t len = SvUV (length);
1486
1487 if (offset < 0)
1488 offset += svlen;
1489
1490 if (offset < 0 || offset > svlen)
1491 croak ("offset outside of scalar");
1492
1493 if (!SvOK (length) || len + offset > svlen)
1494 len = svlen - offset;
1495
1496 addr = (void *)(((intptr_t)addr) + offset);
1497 eio_page_align (&addr, &len);
1498
1499 switch (ix)
1500 {
1501 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1502 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1503 }
1504}
1505 OUTPUT:
1506 RETVAL
1507
1508int
1509munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1510 CODE:
1511{
1512 STRLEN svlen;
1513 void *addr = SvPVbyte (scalar, svlen);
1514 size_t len = SvUV (length);
1515
1516 if (offset < 0)
1517 offset += svlen;
1518
1519 if (offset < 0 || offset > svlen)
1520 croak ("offset outside of scalar");
1521
1522 if (!SvOK (length) || len + offset > svlen)
1523 len = svlen - offset;
1524
1525 addr = (void *)(((intptr_t)addr) + offset);
1526 eio_page_align (&addr, &len);
1527#if _POSIX_MEMLOCK
1528 RETVAL = munlock (addr, len);
1529#else
1530 RETVAL = ((errno = ENOSYS), -1);
1531#endif
1532}
1533 OUTPUT:
1534 RETVAL
1535
1536int
1537munlockall ()
1538 CODE:
1539#if _POSIX_MEMLOCK
1540 munlockall ();
1541#else
1542 RETVAL = -1;
1543 errno = ENOSYS;
1544#endif
1545 OUTPUT:
1546 RETVAL
1191 1547
1192void _on_next_submit (SV *cb) 1548void _on_next_submit (SV *cb)
1193 CODE: 1549 CODE:
1194 SvREFCNT_dec (on_next_submit); 1550 SvREFCNT_dec (on_next_submit);
1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1551 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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