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/cvs/IO-AIO/AIO.xs
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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 1.174 by root, Mon Nov 1 22:03:43 2010 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
16#include <limits.h> 17#include <limits.h>
17#include <fcntl.h> 18#include <fcntl.h>
18#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
19 24
20/* perl namespace pollution */ 25/* perl namespace pollution */
21#undef VERSION 26#undef VERSION
22 27
23#ifdef _WIN32 28#ifdef _WIN32
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
108 112
109#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 114
112#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
113 SV *callback; \ 116 SV *callback; \
114 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
121 124
122#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1 127# define NO_FADVISE 1
125#endif 128#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
129#endif 131#endif
130
131#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
133#endif 134#endif
134
135#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
137#endif 137#endif
138
139#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
141#endif 140#endif
142
143#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#if _XOPEN_SOURCE < 600 || NO_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif
213
214#ifndef MAP_ANONYMOUS
215# ifdef MAP_ANON
216# define MAP_ANONYMOUS MAP_ANON
217# else
218# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219# endif
220#endif
221#ifndef MAP_HUGETLB
222# define MAP_HUGETLB 0
223#endif
224#ifndef MAP_LOCKED
225# define MAP_LOCKED 0
226#endif
227#ifndef MAP_NORESERVE
228# define MAP_NORESERVE 0
229#endif
230#ifndef MAP_POPULATE
231# define MAP_POPULATE 0
232#endif
233#ifndef MAP_NONBLOCK
234# define MAP_NONBLOCK 0
235#endif
236
237#ifndef PAGESIZE
238# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 239#endif
146 240
147static int req_invoke (eio_req *req); 241static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 242#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 243static void req_destroy (eio_req *grp);
… …
160 254
161static SV *on_next_submit; 255static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 256static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 257static int max_outstanding;
164 258
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 259static s_epipe respipe;
166 260
167static void req_destroy (aio_req req); 261static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 262static void req_cancel (aio_req req);
169 263
170static void want_poll (void) 264static void want_poll (void)
171{ 265{
172 /* write a dummy byte to the pipe so fh becomes ready */ 266 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 267 s_epipe_signal (&respipe);
174} 268}
175 269
176static void done_poll (void) 270static void done_poll (void)
177{ 271{
178 /* read any signals sent by the worker threads */ 272 /* read any signals sent by the worker threads */
179 char buf [4]; 273 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 274}
183 275
184/* must be called at most once */ 276/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 277static SV *req_sv (aio_req req, HV *stash)
186{ 278{
187 if (!req->self) 279 if (!req->self)
188 { 280 {
189 req->self = (SV *)newHV (); 281 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 282 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 283 }
192 284
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 285 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 286}
195 287
196static aio_req SvAIO_REQ (SV *sv) 288static aio_req SvAIO_REQ (SV *sv)
197{ 289{
198 MAGIC *mg; 290 MAGIC *mg;
199 291
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 292 if (!SvROK (sv)
293 || (SvSTASH (SvRV (sv)) != aio_grp_stash
294 && SvSTASH (SvRV (sv)) != aio_req_stash
295 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 296 croak ("object of class IO::AIO::REQ expected");
202 297
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 298 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 299
205 return mg ? (aio_req)mg->mg_ptr : 0; 300 return mg ? (aio_req)mg->mg_ptr : 0;
206} 301}
… …
212 dSP; 307 dSP;
213 308
214 ENTER; 309 ENTER;
215 SAVETMPS; 310 SAVETMPS;
216 PUSHMARK (SP); 311 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 312 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 313 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 314 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 315 SPAGAIN;
221 FREETMPS; 316 FREETMPS;
222 LEAVE; 317 LEAVE;
… …
240 } 335 }
241} 336}
242 337
243static int req_invoke (eio_req *req) 338static int req_invoke (eio_req *req)
244{ 339{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 340 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 341 SvREADONLY_off (req->sv2);
249 342
250 if (!EIO_CANCELLED (req) && req->callback) 343 if (!EIO_CANCELLED (req) && req->callback)
251 { 344 {
345 dSP;
346 static SV *sv_result_cache; /* caches the result integer SV */
347 SV *sv_result;
348
252 ENTER; 349 ENTER;
253 SAVETMPS; 350 SAVETMPS;
254 PUSHMARK (SP); 351 PUSHMARK (SP);
255 EXTEND (SP, 1); 352 EXTEND (SP, 1);
353
354 /* do not recreate the result IV from scratch each time */
355 if (expect_true (sv_result_cache))
356 {
357 sv_result = sv_result_cache; sv_result_cache = 0;
358 SvIV_set (sv_result, req->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(), su 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{
… …
530static void atfork_child (void) 632static void atfork_child (void)
531{ 633{
532 create_respipe (); 634 create_respipe ();
533} 635}
534 636
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/*****************************************************************************/
678
535static SV * 679static SV *
536get_cb (SV *cb_sv) 680get_cb (SV *cb_sv)
537{ 681{
538 HV *st; 682 SvGETMAGIC (cb_sv);
539 GV *gvp; 683 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} 684}
552 685
553#define dREQ \ 686#define dREQ \
554 SV *cb_cv; \ 687 SV *cb_cv; \
555 aio_req req; \ 688 aio_req req; \
… …
569 PUTBACK; \ 702 PUTBACK; \
570 req_submit (req); \ 703 req_submit (req); \
571 SPAGAIN; \ 704 SPAGAIN; \
572 \ 705 \
573 if (GIMME_V != G_VOID) \ 706 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 707 XPUSHs (req_sv (req, aio_req_stash));
575 708
576MODULE = IO::AIO PACKAGE = IO::AIO 709MODULE = IO::AIO PACKAGE = IO::AIO
577 710
578PROTOTYPES: ENABLE 711PROTOTYPES: ENABLE
579 712
… …
581{ 714{
582 static const struct { 715 static const struct {
583 const char *name; 716 const char *name;
584 IV iv; 717 IV iv;
585 } *civ, const_iv[] = { 718 } *civ, const_iv[] = {
586# 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 },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 721# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 722 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 723 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 724 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 725 const_iv (O_WRONLY)
726 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 727 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 728 const_iv (O_TRUNC)
729 const_iv (O_EXCL)
730 const_iv (O_APPEND)
594#ifndef _WIN32 731#ifndef _WIN32
595 const_iv (S_IFIFO , S_IFIFO) 732 const_iv (S_IFIFO)
596#endif 733#endif
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 734 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 735 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 736 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 737 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 738 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 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)
603 785
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 786 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 787 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 788 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 789
… …
619 const_eio (DT_LNK) 801 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 802 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 803 const_eio (DT_WHT)
622 }; 804 };
623 805
624 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);
625 809
626 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; )
627 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));
628 814
629 create_respipe (); 815 create_respipe ();
630 816
631 if (eio_init (want_poll, done_poll) < 0) 817 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 818 croak ("IO::AIO: unable to initialise eio library");
… …
671 CODE: 857 CODE:
672 max_outstanding = maxreqs; 858 max_outstanding = maxreqs;
673 859
674void 860void
675aio_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)
676 PROTOTYPE: $$$;$
677 PPCODE: 862 PPCODE:
678{ 863{
679 dREQ; 864 dREQ;
680 865
681 req->type = EIO_OPEN; 866 req->type = EIO_OPEN;
… …
687 REQ_SEND; 872 REQ_SEND;
688} 873}
689 874
690void 875void
691aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 876aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
692 PROTOTYPE: $;$
693 ALIAS: 877 ALIAS:
694 aio_fsync = EIO_FSYNC 878 aio_fsync = EIO_FSYNC
695 aio_fdatasync = EIO_FDATASYNC 879 aio_fdatasync = EIO_FDATASYNC
696 PPCODE: 880 PPCODE:
697{ 881{
… …
705 REQ_SEND (req); 889 REQ_SEND (req);
706} 890}
707 891
708void 892void
709aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 893aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
710 PROTOTYPE: $$$$;$
711 PPCODE: 894 PPCODE:
712{ 895{
713 int fd = s_fileno_croak (fh, 0); 896 int fd = s_fileno_croak (fh, 0);
714 dREQ; 897 dREQ;
715 898
… …
723 REQ_SEND (req); 906 REQ_SEND (req);
724} 907}
725 908
726void 909void
727aio_close (SV *fh, SV *callback=&PL_sv_undef) 910aio_close (SV *fh, SV *callback=&PL_sv_undef)
728 PROTOTYPE: $;$
729 PPCODE: 911 PPCODE:
730{ 912{
731 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 913 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
732 int fd = s_fileno_croak (fh, 0); 914 int fd = s_fileno_croak (fh, 0);
733 dREQ; 915 dREQ;
… …
755void 937void
756aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 938aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
757 ALIAS: 939 ALIAS:
758 aio_read = EIO_READ 940 aio_read = EIO_READ
759 aio_write = EIO_WRITE 941 aio_write = EIO_WRITE
760 PROTOTYPE: $$$$$;$
761 PPCODE: 942 PPCODE:
762{ 943{
763 STRLEN svlen; 944 STRLEN svlen;
764 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 945 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
765 char *svptr = SvPVbyte (data, svlen); 946 char *svptr = SvPVbyte (data, svlen);
… …
806 } 987 }
807} 988}
808 989
809void 990void
810aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 991aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
811 PROTOTYPE: $$;$
812 PPCODE: 992 PPCODE:
813{ 993{
814 SV *data; 994 SV *data;
815 dREQ; 995 dREQ;
816 996
… …
821 REQ_SEND; 1001 REQ_SEND;
822} 1002}
823 1003
824void 1004void
825aio_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)
826 PROTOTYPE: $$$$;$
827 PPCODE: 1006 PPCODE:
828{ 1007{
829 int ifd = s_fileno_croak (in_fh , 0); 1008 int ifd = s_fileno_croak (in_fh , 0);
830 int ofd = s_fileno_croak (out_fh, 1); 1009 int ofd = s_fileno_croak (out_fh, 1);
831 dREQ; 1010 dREQ;
… …
841 REQ_SEND; 1020 REQ_SEND;
842} 1021}
843 1022
844void 1023void
845aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1024aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $$$;$
847 PPCODE: 1025 PPCODE:
848{ 1026{
849 int fd = s_fileno_croak (fh, 0); 1027 int fd = s_fileno_croak (fh, 0);
850 dREQ; 1028 dREQ;
851 1029
… …
859} 1037}
860 1038
861void 1039void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1040aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 1041 ALIAS:
864 aio_stat = EIO_STAT 1042 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1043 aio_lstat = EIO_LSTAT
1044 aio_statvfs = EIO_STATVFS
866 PPCODE: 1045 PPCODE:
867{ 1046{
868 dREQ; 1047 dREQ;
869 1048
870 req->sv1 = newSVsv (fh_or_path); 1049 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 1053 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 1054 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 1055 }
877 else 1056 else
878 { 1057 {
879 req->type = EIO_FSTAT; 1058 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1060 }
882 1061
883 REQ_SEND; 1062 REQ_SEND;
884} 1063}
… …
1047 1226
1048 REQ_SEND; 1227 REQ_SEND;
1049} 1228}
1050 1229
1051void 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
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1305aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1306 PPCODE:
1054{ 1307{
1055 dREQ; 1308 dREQ;
1056 1309
… …
1060 REQ_SEND; 1313 REQ_SEND;
1061} 1314}
1062 1315
1063void 1316void
1064aio_group (SV *callback=&PL_sv_undef) 1317aio_group (SV *callback=&PL_sv_undef)
1065 PROTOTYPE: ;$
1066 PPCODE: 1318 PPCODE:
1067{ 1319{
1068 dREQ; 1320 dREQ;
1069 1321
1070 req->type = EIO_GROUP; 1322 req->type = EIO_GROUP;
1071 1323
1072 req_submit (req); 1324 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1325 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1326}
1075 1327
1076void 1328void
1077aio_nop (SV *callback=&PL_sv_undef) 1329aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1330 ALIAS:
… …
1087 REQ_SEND; 1339 REQ_SEND;
1088} 1340}
1089 1341
1090int 1342int
1091aioreq_pri (int pri = 0) 1343aioreq_pri (int pri = 0)
1092 PROTOTYPE: ;$
1093 CODE: 1344 CODE:
1094 RETVAL = next_pri; 1345 RETVAL = next_pri;
1095 if (items > 0) 1346 if (items > 0)
1096 { 1347 {
1097 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1348 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1109 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1360 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1110 next_pri = nice; 1361 next_pri = nice;
1111 1362
1112void 1363void
1113flush () 1364flush ()
1114 PROTOTYPE:
1115 CODE: 1365 CODE:
1116 while (eio_nreqs ()) 1366 while (eio_nreqs ())
1117 { 1367 {
1118 poll_wait (); 1368 poll_wait ();
1119 poll_cb (); 1369 poll_cb ();
1120 } 1370 }
1121 1371
1122int 1372int
1123poll() 1373poll ()
1124 PROTOTYPE:
1125 CODE: 1374 CODE:
1126 poll_wait (); 1375 poll_wait ();
1127 RETVAL = poll_cb (); 1376 RETVAL = poll_cb ();
1128 OUTPUT: 1377 OUTPUT:
1129 RETVAL 1378 RETVAL
1130 1379
1131int 1380int
1132poll_fileno() 1381poll_fileno ()
1133 PROTOTYPE:
1134 CODE: 1382 CODE:
1135 RETVAL = respipe [0]; 1383 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1384 OUTPUT:
1137 RETVAL 1385 RETVAL
1138 1386
1139int 1387int
1140poll_cb(...) 1388poll_cb (...)
1141 PROTOTYPE: 1389 PROTOTYPE:
1142 CODE: 1390 CODE:
1143 RETVAL = poll_cb (); 1391 RETVAL = poll_cb ();
1144 OUTPUT: 1392 OUTPUT:
1145 RETVAL 1393 RETVAL
1146 1394
1147void 1395void
1148poll_wait() 1396poll_wait ()
1149 PROTOTYPE:
1150 CODE: 1397 CODE:
1151 poll_wait (); 1398 poll_wait ();
1152 1399
1153int 1400int
1154nreqs() 1401nreqs ()
1155 PROTOTYPE:
1156 CODE: 1402 CODE:
1157 RETVAL = eio_nreqs (); 1403 RETVAL = eio_nreqs ();
1158 OUTPUT: 1404 OUTPUT:
1159 RETVAL 1405 RETVAL
1160 1406
1161int 1407int
1162nready() 1408nready ()
1163 PROTOTYPE:
1164 CODE: 1409 CODE:
1165 RETVAL = eio_nready (); 1410 RETVAL = eio_nready ();
1166 OUTPUT: 1411 OUTPUT:
1167 RETVAL 1412 RETVAL
1168 1413
1169int 1414int
1170npending() 1415npending ()
1171 PROTOTYPE:
1172 CODE: 1416 CODE:
1173 RETVAL = eio_npending (); 1417 RETVAL = eio_npending ();
1174 OUTPUT: 1418 OUTPUT:
1175 RETVAL 1419 RETVAL
1176 1420
1177int 1421int
1178nthreads() 1422nthreads ()
1179 PROTOTYPE:
1180 CODE: 1423 CODE:
1181 RETVAL = eio_nthreads (); 1424 RETVAL = eio_nthreads ();
1182 OUTPUT: 1425 OUTPUT:
1183 RETVAL 1426 RETVAL
1184 1427
1185int 1428int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1429fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$
1188 CODE: 1430 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1431 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 1432 OUTPUT:
1195 RETVAL 1433 RETVAL
1196 1434
1197ssize_t 1435ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1436sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$
1200 CODE: 1437 CODE:
1201 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
1202 1549
1203void _on_next_submit (SV *cb) 1550void _on_next_submit (SV *cb)
1204 CODE: 1551 CODE:
1205 SvREFCNT_dec (on_next_submit); 1552 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1553 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1568 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1569 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1570
1224 if (items > 1) 1571 if (items > 1)
1225 { 1572 {
1226 SV *cb_cv = get_cb (callback); 1573 SV *cb_cv =get_cb (callback);
1227 1574
1228 SvREFCNT_dec (req->callback); 1575 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1576 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1577 }
1231} 1578}

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