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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.166 by root, Sun May 9 20:43:28 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#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182
183#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON
186# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif
189#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205
206#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE)
143#endif 208#endif
144 209
145static int req_invoke (eio_req *req); 210static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 211#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 212static void req_destroy (eio_req *grp);
… …
158 223
159static SV *on_next_submit; 224static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 225static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 226static int max_outstanding;
162 227
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 228static s_epipe respipe;
164 229
165static void req_destroy (aio_req req); 230static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 231static void req_cancel (aio_req req);
167 232
168static void want_poll (void) 233static void want_poll (void)
169{ 234{
170 /* write a dummy byte to the pipe so fh becomes ready */ 235 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 236 s_epipe_signal (&respipe);
172} 237}
173 238
174static void done_poll (void) 239static void done_poll (void)
175{ 240{
176 /* read any signals sent by the worker threads */ 241 /* read any signals sent by the worker threads */
177 char buf [4]; 242 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 243}
181 244
182/* must be called at most once */ 245/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 246static SV *req_sv (aio_req req, HV *stash)
184{ 247{
185 if (!req->self) 248 if (!req->self)
186 { 249 {
187 req->self = (SV *)newHV (); 250 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 252 }
190 253
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 255}
193 256
194static aio_req SvAIO_REQ (SV *sv) 257static aio_req SvAIO_REQ (SV *sv)
195{ 258{
196 MAGIC *mg; 259 MAGIC *mg;
197 260
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 261 if (!SvROK (sv)
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 265 croak ("object of class IO::AIO::REQ expected");
200 266
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 268
203 return mg ? (aio_req)mg->mg_ptr : 0; 269 return mg ? (aio_req)mg->mg_ptr : 0;
204} 270}
… …
210 dSP; 276 dSP;
211 277
212 ENTER; 278 ENTER;
213 SAVETMPS; 279 SAVETMPS;
214 PUSHMARK (SP); 280 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 281 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 282 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 283 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 284 SPAGAIN;
219 FREETMPS; 285 FREETMPS;
220 LEAVE; 286 LEAVE;
… …
238 } 304 }
239} 305}
240 306
241static int req_invoke (eio_req *req) 307static int req_invoke (eio_req *req)
242{ 308{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 309 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 310 SvREADONLY_off (req->sv2);
247 311
248 if (!EIO_CANCELLED (req) && req->callback) 312 if (!EIO_CANCELLED (req) && req->callback)
249 { 313 {
314 dSP;
315 static SV *sv_result_cache; /* caches the result integer SV */
316 SV *sv_result;
317
250 ENTER; 318 ENTER;
251 SAVETMPS; 319 SAVETMPS;
252 PUSHMARK (SP); 320 PUSHMARK (SP);
253 EXTEND (SP, 1); 321 EXTEND (SP, 1);
322
323 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache))
325 {
326 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result);
328 }
329 else
330 {
331 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result);
333 }
254 334
255 switch (req->type) 335 switch (req->type)
256 { 336 {
257 case EIO_READDIR: 337 case EIO_READDIR:
258 { 338 {
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 407 char sym [64];
328 int symlen; 408 int symlen;
329 409
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 411 gv_init (gv, aio_stash, sym, symlen, 0);
332 412
333 symlen = snprintf ( 413 symlen = snprintf (
334 sym, 414 sym,
335 sizeof (sym), 415 sizeof (sym),
336 "%s&=%d", 416 "%s&=%d",
… …
344 424
345 PUSHs (fh); 425 PUSHs (fh);
346 } 426 }
347 break; 427 break;
348 428
429 case EIO_STATVFS:
430 case EIO_FSTATVFS:
431 {
432 SV *rv = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 HV *hv = newHV ();
438
439 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440
441 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
443 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
444 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
450 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452 }
453
454 PUSHs (rv);
455 }
456
457 break;
458
349 case EIO_GROUP: 459 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 460 req->int1 = 2; /* mark group as finished */
351 461
352 if (req->sv1) 462 if (req->sv1)
353 { 463 {
… …
373 case EIO_LSTAT: 483 case EIO_LSTAT:
374 case EIO_FSTAT: 484 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376 PL_laststatval = req->result; 486 PL_laststatval = req->result;
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 488 PUSHs (sv_result);
379 break; 489 break;
380 490
381 case EIO_READ: 491 case EIO_READ:
382 { 492 {
383 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 493 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384 *SvEND (req->sv2) = 0; 494 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 495 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 496 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 497 PUSHs (sv_result);
388 } 498 }
389 break; 499 break;
390 500
391 case EIO_DUP2: 501 case EIO_DUP2:
392 if (req->result > 0) 502 if (req->result > 0)
393 req->result = 0; 503 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 504 /* FALLTHROUGH */
395 505
396 default: 506 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 507 PUSHs (sv_result);
398 break; 508 break;
399 } 509 }
400 510
401 errno = req->errorno; 511 errno = req->errorno;
402 512
403 PUTBACK; 513 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 514 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 515 SPAGAIN;
516
517 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
518 SvREFCNT_dec (sv_result);
519 else
520 sv_result_cache = sv_result;
406 521
407 FREETMPS; 522 FREETMPS;
408 LEAVE; 523 LEAVE;
409 524
410 PUTBACK; 525 PUTBACK;
… …
439 grp->sv2 = 0; 554 grp->sv2 = 0;
440 555
441 eio_grp_cancel (grp); 556 eio_grp_cancel (grp);
442} 557}
443 558
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 559static void
451create_respipe (void) 560create_respipe (void)
452{ 561{
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)) 562 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 563 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} 564}
487 565
488static void poll_wait (void) 566static void poll_wait (void)
489{ 567{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 568 while (eio_nreqs ())
493 { 569 {
494 int size; 570 int size;
495 571
496 X_LOCK (reslock); 572 X_LOCK (reslock);
… …
500 if (size) 576 if (size)
501 return; 577 return;
502 578
503 etp_maybe_start_thread (); 579 etp_maybe_start_thread ();
504 580
505 FD_ZERO (&rfd); 581 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 582 }
510} 583}
511 584
512static int poll_cb (void) 585static int poll_cb (void)
513{ 586{
… …
528static void atfork_child (void) 601static void atfork_child (void)
529{ 602{
530 create_respipe (); 603 create_respipe ();
531} 604}
532 605
606/*****************************************************************************/
607
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0;
628 SvOK_off (sv);
629
630 return 0;
631}
632
633static MGVTBL mmap_vtbl = {
634 0, 0, 0, 0, mmap_free
635};
636
637/*****************************************************************************/
638
533static SV * 639static SV *
534get_cb (SV *cb_sv) 640get_cb (SV *cb_sv)
535{ 641{
536 HV *st; 642 SvGETMAGIC (cb_sv);
537 GV *gvp; 643 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} 644}
550 645
551#define dREQ \ 646#define dREQ \
552 SV *cb_cv; \ 647 SV *cb_cv; \
553 aio_req req; \ 648 aio_req req; \
… …
567 PUTBACK; \ 662 PUTBACK; \
568 req_submit (req); \ 663 req_submit (req); \
569 SPAGAIN; \ 664 SPAGAIN; \
570 \ 665 \
571 if (GIMME_V != G_VOID) \ 666 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 667 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}
584 668
585MODULE = IO::AIO PACKAGE = IO::AIO 669MODULE = IO::AIO PACKAGE = IO::AIO
586 670
587PROTOTYPES: ENABLE 671PROTOTYPES: ENABLE
588 672
… …
590{ 674{
591 static const struct { 675 static const struct {
592 const char *name; 676 const char *name;
593 IV iv; 677 IV iv;
594 } *civ, const_iv[] = { 678 } *civ, const_iv[] = {
595# define const_iv(name, value) { # name, (IV) value }, 679# define const_niv(name, value) { # name, (IV) value },
680# define const_iv(name) { # name, (IV) name },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 681# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 682 const_iv (EXDEV)
598 const_iv (ENOSYS , ENOSYS) 683 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 684 const_iv (O_RDONLY)
600 const_iv (O_WRONLY, O_WRONLY) 685 const_iv (O_WRONLY)
686 const_iv (O_RDWR)
601 const_iv (O_CREAT , O_CREAT) 687 const_iv (O_CREAT)
602 const_iv (O_TRUNC , O_TRUNC) 688 const_iv (O_TRUNC)
689 const_iv (O_EXCL)
690 const_iv (O_APPEND)
603#ifndef _WIN32 691#ifndef _WIN32
604 const_iv (S_IFIFO , S_IFIFO) 692 const_iv (S_IFIFO)
605#endif 693#endif
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
700
701 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC)
705 const_iv (ST_SYNCHRONOUS)
706 const_iv (ST_MANDLOCK)
707 const_iv (ST_WRITE)
708 const_iv (ST_APPEND)
709 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME)
713
714 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ)
717 const_iv (PROT_WRITE)
718
719 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE)
721 const_iv (MAP_SHARED)
722 const_iv (MAP_ANONYMOUS)
723
724 /* linuxish */
725 const_iv (MAP_HUGETLB)
726 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE)
729 const_iv (MAP_NONBLOCK)
730
731 const_iv (MCL_FUTURE)
732 const_iv (MCL_CURRENT)
733
734 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC)
737
738 const_eio (MT_MODIFY)
612 739
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 740 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 741 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 742 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
616 743
… …
628 const_eio (DT_LNK) 755 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 756 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 757 const_eio (DT_WHT)
631 }; 758 };
632 759
633 stash = gv_stashpv ("IO::AIO", 1); 760 aio_stash = gv_stashpv ("IO::AIO" , 1);
761 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
634 763
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 764 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 765 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
766
767 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
637 768
638 create_respipe (); 769 create_respipe ();
639 770
640 if (eio_init (want_poll, done_poll) < 0) 771 if (eio_init (want_poll, done_poll) < 0)
641 croak ("IO::AIO: unable to initialise eio library"); 772 croak ("IO::AIO: unable to initialise eio library");
… …
702 ALIAS: 833 ALIAS:
703 aio_fsync = EIO_FSYNC 834 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 835 aio_fdatasync = EIO_FDATASYNC
705 PPCODE: 836 PPCODE:
706{ 837{
707 int fd = extract_fd (fh, 0); 838 int fd = s_fileno_croak (fh, 0);
708 dREQ; 839 dREQ;
709 840
710 req->type = ix; 841 req->type = ix;
711 req->sv1 = newSVsv (fh); 842 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 843 req->int1 = fd;
… …
717void 848void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$$$;$ 850 PROTOTYPE: $$$$;$
720 PPCODE: 851 PPCODE:
721{ 852{
722 int fd = extract_fd (fh, 0); 853 int fd = s_fileno_croak (fh, 0);
723 dREQ; 854 dREQ;
724 855
725 req->type = EIO_SYNC_FILE_RANGE; 856 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 857 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 858 req->int1 = fd;
… …
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 867aio_close (SV *fh, SV *callback=&PL_sv_undef)
737 PROTOTYPE: $;$ 868 PROTOTYPE: $;$
738 PPCODE: 869 PPCODE:
739{ 870{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
741 int fd = extract_fd (fh, 0); 872 int fd = s_fileno_croak (fh, 0);
742 dREQ; 873 dREQ;
743 874
744 if (close_pipe < 0) 875 if (close_pipe < 0)
745 { 876 {
746 int pipefd [2]; 877 int pipefd [2];
… …
768 aio_write = EIO_WRITE 899 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$ 900 PROTOTYPE: $$$$$;$
770 PPCODE: 901 PPCODE:
771{ 902{
772 STRLEN svlen; 903 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 904 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 905 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 906 UV len = SvUV (length);
776 907
777 if (dataoffset < 0) 908 if (dataoffset < 0)
778 dataoffset += svlen; 909 dataoffset += svlen;
… …
833void 964void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 965aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$$;$ 966 PROTOTYPE: $$$$;$
836 PPCODE: 967 PPCODE:
837{ 968{
838 int ifd = extract_fd (in_fh , 0); 969 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 970 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 971 dREQ;
841 972
842 req->type = EIO_SENDFILE; 973 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 974 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 975 req->int1 = ofd;
… …
853void 984void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855 PROTOTYPE: $$$;$ 986 PROTOTYPE: $$$;$
856 PPCODE: 987 PPCODE:
857{ 988{
858 int fd = extract_fd (fh, 0); 989 int fd = s_fileno_croak (fh, 0);
859 dREQ; 990 dREQ;
860 991
861 req->type = EIO_READAHEAD; 992 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 993 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 994 req->int1 = fd;
… …
868} 999}
869 1000
870void 1001void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1002aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872 ALIAS: 1003 ALIAS:
873 aio_stat = EIO_STAT 1004 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1005 aio_lstat = EIO_LSTAT
1006 aio_statvfs = EIO_STATVFS
875 PPCODE: 1007 PPCODE:
876{ 1008{
877 dREQ; 1009 dREQ;
878 1010
879 req->sv1 = newSVsv (fh_or_path); 1011 req->sv1 = newSVsv (fh_or_path);
… …
883 req->type = ix; 1015 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1); 1016 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 } 1017 }
886 else 1018 else
887 { 1019 {
888 req->type = EIO_FSTAT; 1020 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1021 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 } 1022 }
891 1023
892 REQ_SEND; 1024 REQ_SEND;
893} 1025}
… …
1056 1188
1057 REQ_SEND; 1189 REQ_SEND;
1058} 1190}
1059 1191
1060void 1192void
1193aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1194 ALIAS:
1195 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE:
1199{
1200 STRLEN svlen;
1201 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen);
1203
1204 if (offset < 0)
1205 offset += svlen;
1206
1207 if (offset < 0 || offset > svlen)
1208 croak ("offset outside of scalar");
1209
1210 if (!SvOK (length) || len + offset > svlen)
1211 len = svlen - offset;
1212
1213 {
1214 dREQ;
1215
1216 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset;
1220 req->int1 = flags;
1221
1222 REQ_SEND;
1223 }
1224}
1225
1226void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1227aio_busy (double delay, SV *callback=&PL_sv_undef)
1062 PPCODE: 1228 PPCODE:
1063{ 1229{
1064 dREQ; 1230 dREQ;
1065 1231
… …
1077 dREQ; 1243 dREQ;
1078 1244
1079 req->type = EIO_GROUP; 1245 req->type = EIO_GROUP;
1080 1246
1081 req_submit (req); 1247 req_submit (req);
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1248 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1249}
1084 1250
1085void 1251void
1086aio_nop (SV *callback=&PL_sv_undef) 1252aio_nop (SV *callback=&PL_sv_undef)
1087 ALIAS: 1253 ALIAS:
… …
1139 1305
1140int 1306int
1141poll_fileno() 1307poll_fileno()
1142 PROTOTYPE: 1308 PROTOTYPE:
1143 CODE: 1309 CODE:
1144 RETVAL = respipe [0]; 1310 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 1311 OUTPUT:
1146 RETVAL 1312 RETVAL
1147 1313
1148int 1314int
1149poll_cb(...) 1315poll_cb(...)
… …
1196 PROTOTYPE: $$$$ 1362 PROTOTYPE: $$$$
1197 CODE: 1363 CODE:
1198#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1365 RETVAL = posix_fadvise (fh, offset, length, advice);
1200#else 1366#else
1201 RETVAL = errno = ENOSYS; 1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1202#endif 1368#endif
1203 OUTPUT: 1369 OUTPUT:
1204 RETVAL 1370 RETVAL
1205 1371
1206ssize_t 1372ssize_t
1207sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208 PROTOTYPE: $$$$ 1374 PROTOTYPE: $$$$
1209 CODE: 1375 CODE:
1210 eio_sendfile_sync (ofh, ifh, offset, count); 1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT:
1378 RETVAL
1379
1380void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC);
1385{
1386 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1)
1389 XSRETURN_NO;
1390
1391 /* we store the length in mg_obj, as namlen is I32 :/ */
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length;
1394
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */
1396 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar);
1398
1399 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar);
1403
1404 XSRETURN_YES;
1405}
1406
1407void
1408munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE:
1411 sv_unmagic (scalar, MMAP_MAGIC);
1412
1413int
1414mlockall (int flags)
1415 PROTOTYPE: $
1416 CODE:
1417#if _POSIX_MEMLOCK
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else
1424 RETVAL = -1;
1425 errno = ENOSYS;
1426#endif
1427 OUTPUT:
1428 RETVAL
1429
1430int
1431munlockall ()
1432 PROTOTYPE:
1433 CODE:
1434#if _POSIX_MEMLOCK
1435 munlockall ();
1436#else
1437 RETVAL = -1;
1438 errno = ENOSYS;
1439#endif
1440 OUTPUT:
1441 RETVAL
1211 1442
1212void _on_next_submit (SV *cb) 1443void _on_next_submit (SV *cb)
1213 CODE: 1444 CODE:
1214 SvREFCNT_dec (on_next_submit); 1445 SvREFCNT_dec (on_next_submit);
1215 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1446 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1230 if (GIMME_V != G_VOID) 1461 if (GIMME_V != G_VOID)
1231 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1462 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1232 1463
1233 if (items > 1) 1464 if (items > 1)
1234 { 1465 {
1235 SV *cb_cv = get_cb (callback); 1466 SV *cb_cv =get_cb (callback);
1236 1467
1237 SvREFCNT_dec (req->callback); 1468 SvREFCNT_dec (req->callback);
1238 req->callback = SvREFCNT_inc (cb_cv); 1469 req->callback = SvREFCNT_inc (cb_cv);
1239 } 1470 }
1240} 1471}

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