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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.149 by root, Tue Jun 30 07:33:58 2009 UTC vs.
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
99 106
100/*****************************************************************************/ 107/*****************************************************************************/
101 108
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
106 112
107#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 114
110#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
111 SV *callback; \ 116 SV *callback; \
112 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
119 124
120#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1 127# define NO_FADVISE 1
123#endif 128#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
127#endif 131#endif
128
129#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
131#endif 134#endif
132
133#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
135#endif 137#endif
136
137#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
139#endif 140#endif
140
141#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
142# 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 ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif
207
208#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON
211# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif
214#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230
231#ifndef PAGESIZE
232# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 233#endif
144 234
145static int req_invoke (eio_req *req); 235static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 236#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 237static void req_destroy (eio_req *grp);
… …
158 248
159static SV *on_next_submit; 249static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 250static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 251static int max_outstanding;
162 252
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 253static s_epipe respipe;
164 254
165static void req_destroy (aio_req req); 255static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 256static void req_cancel (aio_req req);
167 257
168static void want_poll (void) 258static void want_poll (void)
169{ 259{
170 /* write a dummy byte to the pipe so fh becomes ready */ 260 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 261 s_epipe_signal (&respipe);
172} 262}
173 263
174static void done_poll (void) 264static void done_poll (void)
175{ 265{
176 /* read any signals sent by the worker threads */ 266 /* read any signals sent by the worker threads */
177 char buf [4]; 267 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 268}
181 269
182/* must be called at most once */ 270/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 271static SV *req_sv (aio_req req, HV *stash)
184{ 272{
185 if (!req->self) 273 if (!req->self)
186 { 274 {
187 req->self = (SV *)newHV (); 275 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 277 }
190 278
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 280}
193 281
194static aio_req SvAIO_REQ (SV *sv) 282static aio_req SvAIO_REQ (SV *sv)
195{ 283{
196 MAGIC *mg; 284 MAGIC *mg;
197 285
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 286 if (!SvROK (sv)
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 290 croak ("object of class IO::AIO::REQ expected");
200 291
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 293
203 return mg ? (aio_req)mg->mg_ptr : 0; 294 return mg ? (aio_req)mg->mg_ptr : 0;
204} 295}
… …
210 dSP; 301 dSP;
211 302
212 ENTER; 303 ENTER;
213 SAVETMPS; 304 SAVETMPS;
214 PUSHMARK (SP); 305 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 306 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 307 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 308 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 309 SPAGAIN;
219 FREETMPS; 310 FREETMPS;
220 LEAVE; 311 LEAVE;
… …
238 } 329 }
239} 330}
240 331
241static int req_invoke (eio_req *req) 332static int req_invoke (eio_req *req)
242{ 333{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 334 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 335 SvREADONLY_off (req->sv2);
247 336
248 if (!EIO_CANCELLED (req) && req->callback) 337 if (!EIO_CANCELLED (req) && req->callback)
249 { 338 {
339 dSP;
340 static SV *sv_result_cache; /* caches the result integer SV */
341 SV *sv_result;
342
250 ENTER; 343 ENTER;
251 SAVETMPS; 344 SAVETMPS;
252 PUSHMARK (SP); 345 PUSHMARK (SP);
253 EXTEND (SP, 1); 346 EXTEND (SP, 1);
347
348 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache))
350 {
351 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result);
353 }
354 else
355 {
356 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result);
358 }
254 359
255 switch (req->type) 360 switch (req->type)
256 { 361 {
257 case EIO_READDIR: 362 case EIO_READDIR:
258 { 363 {
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 432 char sym [64];
328 int symlen; 433 int symlen;
329 434
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 436 gv_init (gv, aio_stash, sym, symlen, 0);
332 437
333 symlen = snprintf ( 438 symlen = snprintf (
334 sym, 439 sym,
335 sizeof (sym), 440 sizeof (sym),
336 "%s&=%d", 441 "%s&=%d",
… …
344 449
345 PUSHs (fh); 450 PUSHs (fh);
346 } 451 }
347 break; 452 break;
348 453
454 case EIO_STATVFS:
455 case EIO_FSTATVFS:
456 {
457 SV *rv = &PL_sv_undef;
458
459 if (req->result >= 0)
460 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV ();
463
464 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
468 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 }
478
479 PUSHs (rv);
480 }
481
482 break;
483
349 case EIO_GROUP: 484 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 485 req->int1 = 2; /* mark group as finished */
351 486
352 if (req->sv1) 487 if (req->sv1)
353 { 488 {
… …
373 case EIO_LSTAT: 508 case EIO_LSTAT:
374 case EIO_FSTAT: 509 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376 PL_laststatval = req->result; 511 PL_laststatval = req->result;
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 513 PUSHs (sv_result);
379 break; 514 break;
380 515
381 case EIO_READ: 516 case EIO_READ:
382 { 517 {
383 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384 *SvEND (req->sv2) = 0; 519 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 520 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 521 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 522 PUSHs (sv_result);
388 } 523 }
389 break; 524 break;
390 525
391 case EIO_DUP2: 526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
392 if (req->result > 0) 527 if (req->result > 0)
393 req->result = 0; 528 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 529 /* FALLTHROUGH */
395 530
396 default: 531 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 532 PUSHs (sv_result);
398 break; 533 break;
399 } 534 }
400 535
401 errno = req->errorno; 536 errno = req->errorno;
402 537
403 PUTBACK; 538 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 539 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 540 SPAGAIN;
541
542 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
543 SvREFCNT_dec (sv_result);
544 else
545 sv_result_cache = sv_result;
406 546
407 FREETMPS; 547 FREETMPS;
408 LEAVE; 548 LEAVE;
409 549
410 PUTBACK; 550 PUTBACK;
… …
439 grp->sv2 = 0; 579 grp->sv2 = 0;
440 580
441 eio_grp_cancel (grp); 581 eio_grp_cancel (grp);
442} 582}
443 583
444#ifdef USE_SOCKETS_AS_HANDLES
445# define TO_SOCKET(x) (win32_get_osfhandle (x))
446#else
447# define TO_SOCKET(x) (x)
448#endif
449
450static void 584static void
451create_respipe (void) 585create_respipe (void)
452{ 586{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe)) 587 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 588 croak ("IO::AIO: unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486} 589}
487 590
488static void poll_wait (void) 591static void poll_wait (void)
489{ 592{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 593 while (eio_nreqs ())
493 { 594 {
494 int size; 595 int size;
495 596
496 X_LOCK (reslock); 597 X_LOCK (reslock);
… …
500 if (size) 601 if (size)
501 return; 602 return;
502 603
503 etp_maybe_start_thread (); 604 etp_maybe_start_thread ();
504 605
505 FD_ZERO (&rfd); 606 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 607 }
510} 608}
511 609
512static int poll_cb (void) 610static int poll_cb (void)
513{ 611{
… …
528static void atfork_child (void) 626static void atfork_child (void)
529{ 627{
530 create_respipe (); 628 create_respipe ();
531} 629}
532 630
631/*****************************************************************************/
632
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664
665/*****************************************************************************/
666
533static SV * 667static SV *
534get_cb (SV *cb_sv) 668get_cb (SV *cb_sv)
535{ 669{
536 HV *st; 670 SvGETMAGIC (cb_sv);
537 GV *gvp; 671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
538 CV *cv;
539
540 if (!SvOK (cb_sv))
541 return 0;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 672}
550 673
551#define dREQ \ 674#define dREQ \
552 SV *cb_cv; \ 675 SV *cb_cv; \
553 aio_req req; \ 676 aio_req req; \
… …
567 PUTBACK; \ 690 PUTBACK; \
568 req_submit (req); \ 691 req_submit (req); \
569 SPAGAIN; \ 692 SPAGAIN; \
570 \ 693 \
571 if (GIMME_V != G_VOID) \ 694 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 695 XPUSHs (req_sv (req, aio_req_stash));
573
574static int
575extract_fd (SV *fh, int wr)
576{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
578
579 if (fd < 0)
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582 return fd;
583}
584 696
585MODULE = IO::AIO PACKAGE = IO::AIO 697MODULE = IO::AIO PACKAGE = IO::AIO
586 698
587PROTOTYPES: ENABLE 699PROTOTYPES: ENABLE
588 700
… …
590{ 702{
591 static const struct { 703 static const struct {
592 const char *name; 704 const char *name;
593 IV iv; 705 IV iv;
594 } *civ, const_iv[] = { 706 } *civ, const_iv[] = {
595# define const_iv(name, value) { # name, (IV) value }, 707# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 709# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 710 const_iv (EXDEV)
598 const_iv (ENOSYS , ENOSYS) 711 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 712 const_iv (O_RDONLY)
600 const_iv (O_WRONLY, O_WRONLY) 713 const_iv (O_WRONLY)
714 const_iv (O_RDWR)
601 const_iv (O_CREAT , O_CREAT) 715 const_iv (O_CREAT)
602 const_iv (O_TRUNC , O_TRUNC) 716 const_iv (O_TRUNC)
717 const_iv (O_EXCL)
718 const_iv (O_APPEND)
603#ifndef _WIN32 719#ifndef _WIN32
604 const_iv (S_IFIFO , S_IFIFO) 720 const_iv (S_IFIFO)
605#endif 721#endif
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
728
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734
735 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC)
739 const_iv (ST_SYNCHRONOUS)
740 const_iv (ST_MANDLOCK)
741 const_iv (ST_WRITE)
742 const_iv (ST_APPEND)
743 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME)
747
748 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ)
751 const_iv (PROT_WRITE)
752
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED)
756 const_iv (MAP_ANONYMOUS)
757
758 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK)
764
765 const_iv (MCL_FUTURE)
766 const_iv (MCL_CURRENT)
767
768 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC)
771
772 const_eio (MT_MODIFY)
612 773
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 775 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
616 777
… …
628 const_eio (DT_LNK) 789 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 790 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 791 const_eio (DT_WHT)
631 }; 792 };
632 793
633 stash = gv_stashpv ("IO::AIO", 1); 794 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
634 797
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
800
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
637 802
638 create_respipe (); 803 create_respipe ();
639 804
640 if (eio_init (want_poll, done_poll) < 0) 805 if (eio_init (want_poll, done_poll) < 0)
641 croak ("IO::AIO: unable to initialise eio library"); 806 croak ("IO::AIO: unable to initialise eio library");
… …
702 ALIAS: 867 ALIAS:
703 aio_fsync = EIO_FSYNC 868 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 869 aio_fdatasync = EIO_FDATASYNC
705 PPCODE: 870 PPCODE:
706{ 871{
707 int fd = extract_fd (fh, 0); 872 int fd = s_fileno_croak (fh, 0);
708 dREQ; 873 dREQ;
709 874
710 req->type = ix; 875 req->type = ix;
711 req->sv1 = newSVsv (fh); 876 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 877 req->int1 = fd;
… …
717void 882void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$$$;$ 884 PROTOTYPE: $$$$;$
720 PPCODE: 885 PPCODE:
721{ 886{
722 int fd = extract_fd (fh, 0); 887 int fd = s_fileno_croak (fh, 0);
723 dREQ; 888 dREQ;
724 889
725 req->type = EIO_SYNC_FILE_RANGE; 890 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 891 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 892 req->int1 = fd;
… …
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 901aio_close (SV *fh, SV *callback=&PL_sv_undef)
737 PROTOTYPE: $;$ 902 PROTOTYPE: $;$
738 PPCODE: 903 PPCODE:
739{ 904{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
741 int fd = extract_fd (fh, 0); 906 int fd = s_fileno_croak (fh, 0);
742 dREQ; 907 dREQ;
743 908
744 if (close_pipe < 0) 909 if (close_pipe < 0)
745 { 910 {
746 int pipefd [2]; 911 int pipefd [2];
… …
768 aio_write = EIO_WRITE 933 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$ 934 PROTOTYPE: $$$$$;$
770 PPCODE: 935 PPCODE:
771{ 936{
772 STRLEN svlen; 937 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 938 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 939 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 940 UV len = SvUV (length);
776 941
777 if (dataoffset < 0) 942 if (dataoffset < 0)
778 dataoffset += svlen; 943 dataoffset += svlen;
… …
833void 998void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$$;$ 1000 PROTOTYPE: $$$$;$
836 PPCODE: 1001 PPCODE:
837{ 1002{
838 int ifd = extract_fd (in_fh , 0); 1003 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1004 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1005 dREQ;
841 1006
842 req->type = EIO_SENDFILE; 1007 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1008 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1009 req->int1 = ofd;
… …
853void 1018void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855 PROTOTYPE: $$$;$ 1020 PROTOTYPE: $$$;$
856 PPCODE: 1021 PPCODE:
857{ 1022{
858 int fd = extract_fd (fh, 0); 1023 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1024 dREQ;
860 1025
861 req->type = EIO_READAHEAD; 1026 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1027 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1028 req->int1 = fd;
… …
868} 1033}
869 1034
870void 1035void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872 ALIAS: 1037 ALIAS:
873 aio_stat = EIO_STAT 1038 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1039 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS
875 PPCODE: 1041 PPCODE:
876{ 1042{
877 dREQ; 1043 dREQ;
878 1044
879 req->sv1 = newSVsv (fh_or_path); 1045 req->sv1 = newSVsv (fh_or_path);
… …
883 req->type = ix; 1049 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1); 1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 } 1051 }
886 else 1052 else
887 { 1053 {
888 req->type = EIO_FSTAT; 1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 } 1056 }
891 1057
892 REQ_SEND; 1058 REQ_SEND;
893} 1059}
… …
1056 1222
1057 REQ_SEND; 1223 REQ_SEND;
1058} 1224}
1059 1225
1060void 1226void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1228 ALIAS:
1229 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE:
1233{
1234 STRLEN svlen;
1235 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen);
1237
1238 if (offset < 0)
1239 offset += svlen;
1240
1241 if (offset < 0 || offset > svlen)
1242 croak ("offset outside of scalar");
1243
1244 if (!SvOK (length) || len + offset > svlen)
1245 len = svlen - offset;
1246
1247 {
1248 dREQ;
1249
1250 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset;
1254 req->int1 = flags;
1255
1256 REQ_SEND;
1257 }
1258}
1259
1260void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1261aio_busy (double delay, SV *callback=&PL_sv_undef)
1062 PPCODE: 1262 PPCODE:
1063{ 1263{
1064 dREQ; 1264 dREQ;
1065 1265
… …
1077 dREQ; 1277 dREQ;
1078 1278
1079 req->type = EIO_GROUP; 1279 req->type = EIO_GROUP;
1080 1280
1081 req_submit (req); 1281 req_submit (req);
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1282 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1283}
1084 1284
1085void 1285void
1086aio_nop (SV *callback=&PL_sv_undef) 1286aio_nop (SV *callback=&PL_sv_undef)
1087 ALIAS: 1287 ALIAS:
… …
1139 1339
1140int 1340int
1141poll_fileno() 1341poll_fileno()
1142 PROTOTYPE: 1342 PROTOTYPE:
1143 CODE: 1343 CODE:
1144 RETVAL = respipe [0]; 1344 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 1345 OUTPUT:
1146 RETVAL 1346 RETVAL
1147 1347
1148int 1348int
1149poll_cb(...) 1349poll_cb(...)
… …
1193 1393
1194int 1394int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$ 1396 PROTOTYPE: $$$$
1197 CODE: 1397 CODE:
1198{
1199 #if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1200 RETVAL = posix_fadvise (fh, offset, length, advice); 1398 RETVAL = posix_fadvise (fh, offset, length, advice);
1201 #else
1202 RETVAL = errno = ENOSYS;
1203 #endif
1204}
1205 OUTPUT: 1399 OUTPUT:
1206 RETVAL 1400 RETVAL
1207 1401
1208ssize_t 1402ssize_t
1209sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1210 PROTOTYPE: $$$$ 1404 PROTOTYPE: $$$$
1211 CODE: 1405 CODE:
1212 eio_sendfile_sync (ofh, ifh, offset, count); 1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT:
1408 RETVAL
1409
1410void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC);
1415{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1)
1419 XSRETURN_NO;
1420
1421 sv_force_normal (scalar);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428
1429 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar);
1431
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES;
1441}
1442
1443void
1444munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC);
1448
1449int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice)
1451 PROTOTYPE: $$$$
1452 CODE:
1453{
1454 char *addr = SvPV_nolen (scalar) + offset;
1455
1456 if (!SvOK (ST (2)))
1457 length = SvCUR (scalar) - offset;
1458
1459 if (addr >= SvEND (scalar) || length <= 0)
1460 XSRETURN_EMPTY;
1461
1462 RETVAL = posix_madvise (addr, length, advice);
1463}
1464 OUTPUT:
1465 RETVAL
1466
1467int
1468mlockall (int flags)
1469 PROTOTYPE: $
1470 CODE:
1471#if _POSIX_MEMLOCK
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else
1478 RETVAL = -1;
1479 errno = ENOSYS;
1480#endif
1481 OUTPUT:
1482 RETVAL
1483
1484int
1485munlockall ()
1486 PROTOTYPE:
1487 CODE:
1488#if _POSIX_MEMLOCK
1489 munlockall ();
1490#else
1491 RETVAL = -1;
1492 errno = ENOSYS;
1493#endif
1494 OUTPUT:
1495 RETVAL
1213 1496
1214void _on_next_submit (SV *cb) 1497void _on_next_submit (SV *cb)
1215 CODE: 1498 CODE:
1216 SvREFCNT_dec (on_next_submit); 1499 SvREFCNT_dec (on_next_submit);
1217 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1232 if (GIMME_V != G_VOID) 1515 if (GIMME_V != G_VOID)
1233 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1234 1517
1235 if (items > 1) 1518 if (items > 1)
1236 { 1519 {
1237 SV *cb_cv = get_cb (callback); 1520 SV *cb_cv =get_cb (callback);
1238 1521
1239 SvREFCNT_dec (req->callback); 1522 SvREFCNT_dec (req->callback);
1240 req->callback = SvREFCNT_inc (cb_cv); 1523 req->callback = SvREFCNT_inc (cb_cv);
1241 } 1524 }
1242} 1525}

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