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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.153 by root, Wed Jul 15 01:36:04 2009 UTC vs.
Revision 1.172 by root, Sun Sep 12 03:36:27 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];
166static s_epipe respipe; 259static s_epipe respipe;
167 260
168static void req_destroy (aio_req req); 261static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 262static void req_cancel (aio_req req);
170 263
… …
179 /* read any signals sent by the worker threads */ 272 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 273 s_epipe_drain (&respipe);
181} 274}
182 275
183/* must be called at most once */ 276/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 277static SV *req_sv (aio_req req, HV *stash)
185{ 278{
186 if (!req->self) 279 if (!req->self)
187 { 280 {
188 req->self = (SV *)newHV (); 281 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 282 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 283 }
191 284
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 285 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 286}
194 287
195static aio_req SvAIO_REQ (SV *sv) 288static aio_req SvAIO_REQ (SV *sv)
196{ 289{
197 MAGIC *mg; 290 MAGIC *mg;
198 291
199 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")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 296 croak ("object of class IO::AIO::REQ expected");
201 297
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 298 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 299
204 return mg ? (aio_req)mg->mg_ptr : 0; 300 return mg ? (aio_req)mg->mg_ptr : 0;
205} 301}
… …
211 dSP; 307 dSP;
212 308
213 ENTER; 309 ENTER;
214 SAVETMPS; 310 SAVETMPS;
215 PUSHMARK (SP); 311 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 312 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 313 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 314 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 315 SPAGAIN;
220 FREETMPS; 316 FREETMPS;
221 LEAVE; 317 LEAVE;
… …
239 } 335 }
240} 336}
241 337
242static int req_invoke (eio_req *req) 338static int req_invoke (eio_req *req)
243{ 339{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 340 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 341 SvREADONLY_off (req->sv2);
248 342
249 if (!EIO_CANCELLED (req) && req->callback) 343 if (!EIO_CANCELLED (req) && req->callback)
250 { 344 {
345 dSP;
346 static SV *sv_result_cache; /* caches the result integer SV */
347 SV *sv_result;
348
251 ENTER; 349 ENTER;
252 SAVETMPS; 350 SAVETMPS;
253 PUSHMARK (SP); 351 PUSHMARK (SP);
254 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 }
255 365
256 switch (req->type) 366 switch (req->type)
257 { 367 {
258 case EIO_READDIR: 368 case EIO_READDIR:
259 { 369 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 438 char sym [64];
329 int symlen; 439 int symlen;
330 440
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 442 gv_init (gv, aio_stash, sym, symlen, 0);
333 443
334 symlen = snprintf ( 444 symlen = snprintf (
335 sym, 445 sym,
336 sizeof (sym), 446 sizeof (sym),
337 "%s&=%d", 447 "%s&=%d",
… …
345 455
346 PUSHs (fh); 456 PUSHs (fh);
347 } 457 }
348 break; 458 break;
349 459
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
350 case EIO_GROUP: 490 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 491 req->int1 = 2; /* mark group as finished */
352 492
353 if (req->sv1) 493 if (req->sv1)
354 { 494 {
… …
374 case EIO_LSTAT: 514 case EIO_LSTAT:
375 case EIO_FSTAT: 515 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 517 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
380 break; 520 break;
381 521
382 case EIO_READ: 522 case EIO_READ:
383 { 523 {
384 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));
385 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
389 } 529 }
390 break; 530 break;
391 531
392 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393 if (req->result > 0) 533 if (req->result > 0)
394 req->result = 0; 534 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
396 536
397 default: 537 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
399 break; 539 break;
400 } 540 }
401 541
402 errno = req->errorno; 542 errno = req->errorno;
403 543
404 PUTBACK; 544 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 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;
407 552
408 FREETMPS; 553 FREETMPS;
409 LEAVE; 554 LEAVE;
410 555
411 PUTBACK; 556 PUTBACK;
… …
444 589
445static void 590static void
446create_respipe (void) 591create_respipe (void)
447{ 592{
448 if (s_epipe_renew (&respipe)) 593 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 594 croak ("IO::AIO: unable to initialize result pipe");
450
451 respipe_osf [0] = S_TO_SOCKET (respipe.fd [0]);
452 respipe_osf [1] = S_TO_SOCKET (respipe.fd [1]);
453} 595}
454 596
455static void poll_wait (void) 597static void poll_wait (void)
456{ 598{
457 while (eio_nreqs ()) 599 while (eio_nreqs ())
… …
489 631
490static void atfork_child (void) 632static void atfork_child (void)
491{ 633{
492 create_respipe (); 634 create_respipe ();
493} 635}
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#endif
644
645#define MMAP_MAGIC PERL_MAGIC_ext
646
647static int
648mmap_free (pTHX_ SV *sv, MAGIC *mg)
649{
650 int old_errno = errno;
651 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
652 errno = old_errno;
653
654 mg->mg_obj = 0; /* just in case */
655
656 SvREADONLY_off (sv);
657
658 if (SvPVX (sv) != mg->mg_ptr)
659 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
660
661 SvCUR_set (sv, 0);
662 SvPVX (sv) = 0;
663 SvOK_off (sv);
664
665 return 0;
666}
667
668static MGVTBL mmap_vtbl = {
669 0, 0, 0, 0, mmap_free
670};
671
672/*****************************************************************************/
494 673
495static SV * 674static SV *
496get_cb (SV *cb_sv) 675get_cb (SV *cb_sv)
497{ 676{
498 SvGETMAGIC (cb_sv); 677 SvGETMAGIC (cb_sv);
… …
518 PUTBACK; \ 697 PUTBACK; \
519 req_submit (req); \ 698 req_submit (req); \
520 SPAGAIN; \ 699 SPAGAIN; \
521 \ 700 \
522 if (GIMME_V != G_VOID) \ 701 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 702 XPUSHs (req_sv (req, aio_req_stash));
524 703
525MODULE = IO::AIO PACKAGE = IO::AIO 704MODULE = IO::AIO PACKAGE = IO::AIO
526 705
527PROTOTYPES: ENABLE 706PROTOTYPES: ENABLE
528 707
… …
530{ 709{
531 static const struct { 710 static const struct {
532 const char *name; 711 const char *name;
533 IV iv; 712 IV iv;
534 } *civ, const_iv[] = { 713 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 714# define const_niv(name, value) { # name, (IV) value },
715# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 716# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 717 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 718 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 719 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 720 const_iv (O_WRONLY)
721 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 722 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 723 const_iv (O_TRUNC)
724 const_iv (O_EXCL)
725 const_iv (O_APPEND)
543#ifndef _WIN32 726#ifndef _WIN32
544 const_iv (S_IFIFO , S_IFIFO) 727 const_iv (S_IFIFO)
545#endif 728#endif
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 729 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 730 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 731 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 732 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 733 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 734 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
735
736 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
737 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
738 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
739 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
740 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
741
742 const_iv (ST_RDONLY)
743 const_iv (ST_NOSUID)
744 const_iv (ST_NODEV)
745 const_iv (ST_NOEXEC)
746 const_iv (ST_SYNCHRONOUS)
747 const_iv (ST_MANDLOCK)
748 const_iv (ST_WRITE)
749 const_iv (ST_APPEND)
750 const_iv (ST_IMMUTABLE)
751 const_iv (ST_NOATIME)
752 const_iv (ST_NODIRATIME)
753 const_iv (ST_RELATIME)
754
755 const_iv (PROT_NONE)
756 const_iv (PROT_EXEC)
757 const_iv (PROT_READ)
758 const_iv (PROT_WRITE)
759
760 /*const_iv (MAP_FIXED)*/
761 const_iv (MAP_PRIVATE)
762 const_iv (MAP_SHARED)
763 const_iv (MAP_ANONYMOUS)
764
765 /* linuxish */
766 const_iv (MAP_HUGETLB)
767 const_iv (MAP_LOCKED)
768 const_iv (MAP_NORESERVE)
769 const_iv (MAP_POPULATE)
770 const_iv (MAP_NONBLOCK)
771
772 const_eio (MCL_FUTURE)
773 const_eio (MCL_CURRENT)
774
775 const_eio (MS_ASYNC)
776 const_eio (MS_INVALIDATE)
777 const_eio (MS_SYNC)
778
779 const_eio (MT_MODIFY)
552 780
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 781 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 782 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 783 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556 784
… …
568 const_eio (DT_LNK) 796 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 797 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 798 const_eio (DT_WHT)
571 }; 799 };
572 800
573 stash = gv_stashpv ("IO::AIO", 1); 801 aio_stash = gv_stashpv ("IO::AIO" , 1);
802 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
803 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574 804
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 805 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 806 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
807
808 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577 809
578 create_respipe (); 810 create_respipe ();
579 811
580 if (eio_init (want_poll, done_poll) < 0) 812 if (eio_init (want_poll, done_poll) < 0)
581 croak ("IO::AIO: unable to initialise eio library"); 813 croak ("IO::AIO: unable to initialise eio library");
… …
620 CODE: 852 CODE:
621 max_outstanding = maxreqs; 853 max_outstanding = maxreqs;
622 854
623void 855void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 856aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 857 PPCODE:
627{ 858{
628 dREQ; 859 dREQ;
629 860
630 req->type = EIO_OPEN; 861 req->type = EIO_OPEN;
… …
636 REQ_SEND; 867 REQ_SEND;
637} 868}
638 869
639void 870void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 871aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 872 ALIAS:
643 aio_fsync = EIO_FSYNC 873 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 874 aio_fdatasync = EIO_FDATASYNC
645 PPCODE: 875 PPCODE:
646{ 876{
… …
654 REQ_SEND (req); 884 REQ_SEND (req);
655} 885}
656 886
657void 887void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 888aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 889 PPCODE:
661{ 890{
662 int fd = s_fileno_croak (fh, 0); 891 int fd = s_fileno_croak (fh, 0);
663 dREQ; 892 dREQ;
664 893
… …
672 REQ_SEND (req); 901 REQ_SEND (req);
673} 902}
674 903
675void 904void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 905aio_close (SV *fh, SV *callback=&PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 906 PPCODE:
679{ 907{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 908 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 909 int fd = s_fileno_croak (fh, 0);
682 dREQ; 910 dREQ;
… …
704void 932void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 933aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
706 ALIAS: 934 ALIAS:
707 aio_read = EIO_READ 935 aio_read = EIO_READ
708 aio_write = EIO_WRITE 936 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 937 PPCODE:
711{ 938{
712 STRLEN svlen; 939 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 940 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 941 char *svptr = SvPVbyte (data, svlen);
… …
755 } 982 }
756} 983}
757 984
758void 985void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 986aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
760 PROTOTYPE: $$;$
761 PPCODE: 987 PPCODE:
762{ 988{
763 SV *data; 989 SV *data;
764 dREQ; 990 dREQ;
765 991
… …
770 REQ_SEND; 996 REQ_SEND;
771} 997}
772 998
773void 999void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1000aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1001 PPCODE:
777{ 1002{
778 int ifd = s_fileno_croak (in_fh , 0); 1003 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1004 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1005 dREQ;
… …
790 REQ_SEND; 1015 REQ_SEND;
791} 1016}
792 1017
793void 1018void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1020 PPCODE:
797{ 1021{
798 int fd = s_fileno_croak (fh, 0); 1022 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1023 dREQ;
800 1024
… …
808} 1032}
809 1033
810void 1034void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1035aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1036 ALIAS:
813 aio_stat = EIO_STAT 1037 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1038 aio_lstat = EIO_LSTAT
1039 aio_statvfs = EIO_STATVFS
815 PPCODE: 1040 PPCODE:
816{ 1041{
817 dREQ; 1042 dREQ;
818 1043
819 req->sv1 = newSVsv (fh_or_path); 1044 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1048 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1049 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1050 }
826 else 1051 else
827 { 1052 {
828 req->type = EIO_FSTAT; 1053 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1054 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1055 }
831 1056
832 REQ_SEND; 1057 REQ_SEND;
833} 1058}
… …
996 1221
997 REQ_SEND; 1222 REQ_SEND;
998} 1223}
999 1224
1000void 1225void
1226aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1227 ALIAS:
1228 aio_mtouch = EIO_MTOUCH
1229 aio_msync = EIO_MSYNC
1230 PPCODE:
1231{
1232 STRLEN svlen;
1233 char *svptr = SvPVbyte (data, svlen);
1234 UV len = SvUV (length);
1235
1236 if (offset < 0)
1237 offset += svlen;
1238
1239 if (offset < 0 || offset > svlen)
1240 croak ("offset outside of scalar");
1241
1242 if (!SvOK (length) || len + offset > svlen)
1243 len = svlen - offset;
1244
1245 {
1246 dREQ;
1247
1248 req->type = ix;
1249 req->sv2 = SvREFCNT_inc (data);
1250 req->ptr2 = (char *)svptr + offset;
1251 req->size = len;
1252 req->int1 = flags;
1253
1254 REQ_SEND;
1255 }
1256}
1257
1258void
1259aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1260 PPCODE:
1261{
1262
1263 STRLEN svlen;
1264 char *svptr = SvPVbyte (data, svlen);
1265 UV len = SvUV (length);
1266
1267 if (offset < 0)
1268 offset += svlen;
1269
1270 if (offset < 0 || offset > svlen)
1271 croak ("offset outside of scalar");
1272
1273 if (!SvOK (length) || len + offset > svlen)
1274 len = svlen - offset;
1275
1276 {
1277 dREQ;
1278
1279 req->type = EIO_MLOCK;
1280 req->sv2 = SvREFCNT_inc (data);
1281 req->ptr2 = (char *)svptr + offset;
1282 req->size = len;
1283
1284 REQ_SEND;
1285 }
1286}
1287
1288void
1289aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1290 PPCODE:
1291{
1292 dREQ;
1293
1294 req->type = EIO_MLOCKALL;
1295 req->int1 = flags;
1296
1297 REQ_SEND;
1298}
1299
1300void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1301aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1302 PPCODE:
1003{ 1303{
1004 dREQ; 1304 dREQ;
1005 1305
… …
1009 REQ_SEND; 1309 REQ_SEND;
1010} 1310}
1011 1311
1012void 1312void
1013aio_group (SV *callback=&PL_sv_undef) 1313aio_group (SV *callback=&PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1314 PPCODE:
1016{ 1315{
1017 dREQ; 1316 dREQ;
1018 1317
1019 req->type = EIO_GROUP; 1318 req->type = EIO_GROUP;
1020 1319
1021 req_submit (req); 1320 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1321 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1322}
1024 1323
1025void 1324void
1026aio_nop (SV *callback=&PL_sv_undef) 1325aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1326 ALIAS:
… …
1036 REQ_SEND; 1335 REQ_SEND;
1037} 1336}
1038 1337
1039int 1338int
1040aioreq_pri (int pri = 0) 1339aioreq_pri (int pri = 0)
1041 PROTOTYPE: ;$
1042 CODE: 1340 CODE:
1043 RETVAL = next_pri; 1341 RETVAL = next_pri;
1044 if (items > 0) 1342 if (items > 0)
1045 { 1343 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1344 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1356 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 1357 next_pri = nice;
1060 1358
1061void 1359void
1062flush () 1360flush ()
1063 PROTOTYPE:
1064 CODE: 1361 CODE:
1065 while (eio_nreqs ()) 1362 while (eio_nreqs ())
1066 { 1363 {
1067 poll_wait (); 1364 poll_wait ();
1068 poll_cb (); 1365 poll_cb ();
1069 } 1366 }
1070 1367
1071int 1368int
1072poll() 1369poll ()
1073 PROTOTYPE:
1074 CODE: 1370 CODE:
1075 poll_wait (); 1371 poll_wait ();
1076 RETVAL = poll_cb (); 1372 RETVAL = poll_cb ();
1077 OUTPUT: 1373 OUTPUT:
1078 RETVAL 1374 RETVAL
1079 1375
1080int 1376int
1081poll_fileno() 1377poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 1378 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 1379 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 1380 OUTPUT:
1086 RETVAL 1381 RETVAL
1087 1382
1088int 1383int
1089poll_cb(...) 1384poll_cb (...)
1090 PROTOTYPE: 1385 PROTOTYPE:
1091 CODE: 1386 CODE:
1092 RETVAL = poll_cb (); 1387 RETVAL = poll_cb ();
1093 OUTPUT: 1388 OUTPUT:
1094 RETVAL 1389 RETVAL
1095 1390
1096void 1391void
1097poll_wait() 1392poll_wait ()
1098 PROTOTYPE:
1099 CODE: 1393 CODE:
1100 poll_wait (); 1394 poll_wait ();
1101 1395
1102int 1396int
1103nreqs() 1397nreqs ()
1104 PROTOTYPE:
1105 CODE: 1398 CODE:
1106 RETVAL = eio_nreqs (); 1399 RETVAL = eio_nreqs ();
1107 OUTPUT: 1400 OUTPUT:
1108 RETVAL 1401 RETVAL
1109 1402
1110int 1403int
1111nready() 1404nready ()
1112 PROTOTYPE:
1113 CODE: 1405 CODE:
1114 RETVAL = eio_nready (); 1406 RETVAL = eio_nready ();
1115 OUTPUT: 1407 OUTPUT:
1116 RETVAL 1408 RETVAL
1117 1409
1118int 1410int
1119npending() 1411npending ()
1120 PROTOTYPE:
1121 CODE: 1412 CODE:
1122 RETVAL = eio_npending (); 1413 RETVAL = eio_npending ();
1123 OUTPUT: 1414 OUTPUT:
1124 RETVAL 1415 RETVAL
1125 1416
1126int 1417int
1127nthreads() 1418nthreads ()
1128 PROTOTYPE:
1129 CODE: 1419 CODE:
1130 RETVAL = eio_nthreads (); 1420 RETVAL = eio_nthreads ();
1131 OUTPUT: 1421 OUTPUT:
1132 RETVAL 1422 RETVAL
1133 1423
1134int 1424int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1425fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 1426 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1427 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 1428 OUTPUT:
1144 RETVAL 1429 RETVAL
1145 1430
1146ssize_t 1431ssize_t
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1432sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 1433 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 1434 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1435 OUTPUT:
1436 RETVAL
1437
1438void
1439mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1440 PPCODE:
1441 sv_unmagic (scalar, MMAP_MAGIC);
1442{
1443 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1444 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1445 if (addr == (void *)-1)
1446 XSRETURN_NO;
1447
1448 sv_force_normal (scalar);
1449
1450 /* we store the length in mg_obj, as namlen is I32 :/ */
1451 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1452 ->mg_obj = (SV *)length;
1453
1454 SvUPGRADE (scalar, SVt_PV); /* nop... */
1455
1456 if (!(prot & PROT_WRITE))
1457 SvREADONLY_on (scalar);
1458
1459 if (SvLEN (scalar))
1460 Safefree (SvPVX (scalar));
1461
1462 SvPVX (scalar) = (char *)addr;
1463 SvCUR_set (scalar, length);
1464 SvLEN_set (scalar, 0);
1465 SvPOK_only (scalar);
1466
1467 XSRETURN_YES;
1468}
1469
1470void
1471munmap (SV *scalar)
1472 CODE:
1473 sv_unmagic (scalar, MMAP_MAGIC);
1474
1475int
1476madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1477 ALIAS:
1478 mprotect = 1
1479 CODE:
1480{
1481 STRLEN svlen;
1482 void *addr = SvPVbyte (scalar, svlen);
1483 size_t len = SvUV (length);
1484
1485 if (offset < 0)
1486 offset += svlen;
1487
1488 if (offset < 0 || offset > svlen)
1489 croak ("offset outside of scalar");
1490
1491 if (!SvOK (length) || len + offset > svlen)
1492 len = svlen - offset;
1493
1494 addr = (void *)(((intptr_t)addr) + offset);
1495 eio_page_align (&addr, &len);
1496
1497 switch (ix)
1498 {
1499 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1500 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1501 }
1502}
1503 OUTPUT:
1504 RETVAL
1505
1506int
1507munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1508 CODE:
1509{
1510 STRLEN svlen;
1511 void *addr = SvPVbyte (scalar, svlen);
1512 size_t len = SvUV (length);
1513
1514 if (offset < 0)
1515 offset += svlen;
1516
1517 if (offset < 0 || offset > svlen)
1518 croak ("offset outside of scalar");
1519
1520 if (!SvOK (length) || len + offset > svlen)
1521 len = svlen - offset;
1522
1523 addr = (void *)(((intptr_t)addr) + offset);
1524 eio_page_align (&addr, &len);
1525#if _POSIX_MEMLOCK
1526 RETVAL = munlock (addr, len);
1527#else
1528 RETVAL = ((errno = ENOSYS), -1);
1529#endif
1530}
1531 OUTPUT:
1532 RETVAL
1533
1534int
1535munlockall ()
1536 CODE:
1537#if _POSIX_MEMLOCK
1538 munlockall ();
1539#else
1540 RETVAL = -1;
1541 errno = ENOSYS;
1542#endif
1543 OUTPUT:
1544 RETVAL
1151 1545
1152void _on_next_submit (SV *cb) 1546void _on_next_submit (SV *cb)
1153 CODE: 1547 CODE:
1154 SvREFCNT_dec (on_next_submit); 1548 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1549 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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