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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 1.176 by root, Thu Dec 2 10:04:47 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; \
116 SV *self; 119 SV *self;
117 120
118#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
119 122
123#include "libeio/config.h"
120#include "libeio/eio.h" 124#include "libeio/eio.h"
121 125
122#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
124# 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 !HAVE_POSIX_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#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 238#endif
146 239
147static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 241#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 242static void req_destroy (eio_req *grp);
… …
160 253
161static SV *on_next_submit; 254static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 255static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 256static int max_outstanding;
164 257
165static int respipe_osf [2];
166static s_epipe respipe; 258static s_epipe respipe;
167 259
168static void req_destroy (aio_req req); 260static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 261static void req_cancel (aio_req req);
170 262
… …
179 /* read any signals sent by the worker threads */ 271 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 272 s_epipe_drain (&respipe);
181} 273}
182 274
183/* must be called at most once */ 275/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 276static SV *req_sv (aio_req req, HV *stash)
185{ 277{
186 if (!req->self) 278 if (!req->self)
187 { 279 {
188 req->self = (SV *)newHV (); 280 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 282 }
191 283
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 285}
194 286
195static aio_req SvAIO_REQ (SV *sv) 287static aio_req SvAIO_REQ (SV *sv)
196{ 288{
197 MAGIC *mg; 289 MAGIC *mg;
198 290
199 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 291 if (!SvROK (sv)
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 295 croak ("object of class IO::AIO::REQ expected");
201 296
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 298
204 return mg ? (aio_req)mg->mg_ptr : 0; 299 return mg ? (aio_req)mg->mg_ptr : 0;
205} 300}
… …
211 dSP; 306 dSP;
212 307
213 ENTER; 308 ENTER;
214 SAVETMPS; 309 SAVETMPS;
215 PUSHMARK (SP); 310 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 311 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 312 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 313 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 314 SPAGAIN;
220 FREETMPS; 315 FREETMPS;
221 LEAVE; 316 LEAVE;
… …
239 } 334 }
240} 335}
241 336
242static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
243{ 338{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
248 341
249 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
250 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
251 ENTER; 348 ENTER;
252 SAVETMPS; 349 SAVETMPS;
253 PUSHMARK (SP); 350 PUSHMARK (SP);
254 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
255 364
256 switch (req->type) 365 switch (req->type)
257 { 366 {
258 case EIO_READDIR: 367 case EIO_READDIR:
259 { 368 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 436 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 437 char sym [64];
329 int symlen; 438 int symlen;
330 439
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 440 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 441 gv_init (gv, aio_stash, sym, symlen, 0);
333 442
334 symlen = snprintf ( 443 symlen = snprintf (
335 sym, 444 sym,
336 sizeof (sym), 445 sizeof (sym),
337 "%s&=%d", 446 "%s&=%d",
… …
345 454
346 PUSHs (fh); 455 PUSHs (fh);
347 } 456 }
348 break; 457 break;
349 458
459 case EIO_STATVFS:
460 case EIO_FSTATVFS:
461 {
462 SV *rv = &PL_sv_undef;
463
464 if (req->result >= 0)
465 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV ();
468
469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 }
483
484 PUSHs (rv);
485 }
486
487 break;
488
350 case EIO_GROUP: 489 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 490 req->int1 = 2; /* mark group as finished */
352 491
353 if (req->sv1) 492 if (req->sv1)
354 { 493 {
… …
374 case EIO_LSTAT: 513 case EIO_LSTAT:
375 case EIO_FSTAT: 514 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 516 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
380 break; 519 break;
381 520
382 case EIO_READ: 521 case EIO_READ:
383 { 522 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 525 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 526 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 527 PUSHs (sv_result);
389 } 528 }
390 break; 529 break;
391 530
392 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
393 if (req->result > 0) 532 if (req->result > 0)
394 req->result = 0; 533 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
396 535
397 default: 536 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
399 break; 538 break;
400 } 539 }
401 540
402 errno = req->errorno; 541 errno = req->errorno;
403 542
404 PUTBACK; 543 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
407 551
408 FREETMPS; 552 FREETMPS;
409 LEAVE; 553 LEAVE;
410 554
411 PUTBACK; 555 PUTBACK;
… …
444 588
445static void 589static void
446create_respipe (void) 590create_respipe (void)
447{ 591{
448 if (s_epipe_renew (&respipe)) 592 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 593 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} 594}
454 595
455static void poll_wait (void) 596static void poll_wait (void)
456{ 597{
457 while (eio_nreqs ()) 598 while (eio_nreqs ())
… …
489 630
490static void atfork_child (void) 631static void atfork_child (void)
491{ 632{
492 create_respipe (); 633 create_respipe ();
493} 634}
635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
494 677
495static SV * 678static SV *
496get_cb (SV *cb_sv) 679get_cb (SV *cb_sv)
497{ 680{
498 SvGETMAGIC (cb_sv); 681 SvGETMAGIC (cb_sv);
… …
518 PUTBACK; \ 701 PUTBACK; \
519 req_submit (req); \ 702 req_submit (req); \
520 SPAGAIN; \ 703 SPAGAIN; \
521 \ 704 \
522 if (GIMME_V != G_VOID) \ 705 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 706 XPUSHs (req_sv (req, aio_req_stash));
524 707
525MODULE = IO::AIO PACKAGE = IO::AIO 708MODULE = IO::AIO PACKAGE = IO::AIO
526 709
527PROTOTYPES: ENABLE 710PROTOTYPES: ENABLE
528 711
… …
530{ 713{
531 static const struct { 714 static const struct {
532 const char *name; 715 const char *name;
533 IV iv; 716 IV iv;
534 } *civ, const_iv[] = { 717 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 718# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 720# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 721 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 722 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 723 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 726 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
543#ifndef _WIN32 730#ifndef _WIN32
544 const_iv (S_IFIFO , S_IFIFO) 731 const_iv (S_IFIFO)
545#endif 732#endif
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
739
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
750 const_iv (ST_SYNCHRONOUS)
751 const_iv (ST_MANDLOCK)
752 const_iv (ST_WRITE)
753 const_iv (ST_APPEND)
754 const_iv (ST_IMMUTABLE)
755 const_iv (ST_NOATIME)
756 const_iv (ST_NODIRATIME)
757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
778
779 const_eio (MS_ASYNC)
780 const_eio (MS_INVALIDATE)
781 const_eio (MS_SYNC)
782
783 const_eio (MT_MODIFY)
552 784
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 785 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 786 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 787 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556 788
… …
568 const_eio (DT_LNK) 800 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 801 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 802 const_eio (DT_WHT)
571 }; 803 };
572 804
573 stash = gv_stashpv ("IO::AIO", 1); 805 aio_stash = gv_stashpv ("IO::AIO" , 1);
806 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574 808
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577 813
578 create_respipe (); 814 create_respipe ();
579 815
580 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
581 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
… …
620 CODE: 856 CODE:
621 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
622 858
623void 859void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 861 PPCODE:
627{ 862{
628 dREQ; 863 dREQ;
629 864
630 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
… …
636 REQ_SEND; 871 REQ_SEND;
637} 872}
638 873
639void 874void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 876 ALIAS:
643 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
645 PPCODE: 879 PPCODE:
646{ 880{
… …
654 REQ_SEND (req); 888 REQ_SEND (req);
655} 889}
656 890
657void 891void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 893 PPCODE:
661{ 894{
662 int fd = s_fileno_croak (fh, 0); 895 int fd = s_fileno_croak (fh, 0);
663 dREQ; 896 dREQ;
664 897
… …
672 REQ_SEND (req); 905 REQ_SEND (req);
673} 906}
674 907
675void 908void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 910 PPCODE:
679{ 911{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 913 int fd = s_fileno_croak (fh, 0);
682 dREQ; 914 dREQ;
… …
704void 936void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
706 ALIAS: 938 ALIAS:
707 aio_read = EIO_READ 939 aio_read = EIO_READ
708 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 941 PPCODE:
711{ 942{
712 STRLEN svlen; 943 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
… …
755 } 986 }
756} 987}
757 988
758void 989void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
760 PROTOTYPE: $$;$
761 PPCODE: 991 PPCODE:
762{ 992{
763 SV *data; 993 SV *data;
764 dREQ; 994 dREQ;
765 995
… …
770 REQ_SEND; 1000 REQ_SEND;
771} 1001}
772 1002
773void 1003void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1005 PPCODE:
777{ 1006{
778 int ifd = s_fileno_croak (in_fh , 0); 1007 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1008 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1009 dREQ;
… …
790 REQ_SEND; 1019 REQ_SEND;
791} 1020}
792 1021
793void 1022void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1024 PPCODE:
797{ 1025{
798 int fd = s_fileno_croak (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1027 dREQ;
800 1028
… …
808} 1036}
809 1037
810void 1038void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1040 ALIAS:
813 aio_stat = EIO_STAT 1041 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1042 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS
815 PPCODE: 1044 PPCODE:
816{ 1045{
817 dREQ; 1046 dREQ;
818 1047
819 req->sv1 = newSVsv (fh_or_path); 1048 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1052 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1054 }
826 else 1055 else
827 { 1056 {
828 req->type = EIO_FSTAT; 1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1059 }
831 1060
832 REQ_SEND; 1061 REQ_SEND;
833} 1062}
… …
996 1225
997 REQ_SEND; 1226 REQ_SEND;
998} 1227}
999 1228
1000void 1229void
1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1231 ALIAS:
1232 aio_mtouch = EIO_MTOUCH
1233 aio_msync = EIO_MSYNC
1234 PPCODE:
1235{
1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1238 UV len = SvUV (length);
1239
1240 if (offset < 0)
1241 offset += svlen;
1242
1243 if (offset < 0 || offset > svlen)
1244 croak ("offset outside of scalar");
1245
1246 if (!SvOK (length) || len + offset > svlen)
1247 len = svlen - offset;
1248
1249 {
1250 dREQ;
1251
1252 req->type = ix;
1253 req->sv2 = SvREFCNT_inc (data);
1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1256 req->int1 = flags;
1257
1258 REQ_SEND;
1259 }
1260}
1261
1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1305 PPCODE:
1003{ 1306{
1004 dREQ; 1307 dREQ;
1005 1308
… …
1009 REQ_SEND; 1312 REQ_SEND;
1010} 1313}
1011 1314
1012void 1315void
1013aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1317 PPCODE:
1016{ 1318{
1017 dREQ; 1319 dREQ;
1018 1320
1019 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
1020 1322
1021 req_submit (req); 1323 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1324 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1325}
1024 1326
1025void 1327void
1026aio_nop (SV *callback=&PL_sv_undef) 1328aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1329 ALIAS:
… …
1036 REQ_SEND; 1338 REQ_SEND;
1037} 1339}
1038 1340
1039int 1341int
1040aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
1041 PROTOTYPE: ;$
1042 CODE: 1343 CODE:
1043 RETVAL = next_pri; 1344 RETVAL = next_pri;
1044 if (items > 0) 1345 if (items > 0)
1045 { 1346 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 1360 next_pri = nice;
1060 1361
1061void 1362void
1062flush () 1363flush ()
1063 PROTOTYPE:
1064 CODE: 1364 CODE:
1065 while (eio_nreqs ()) 1365 while (eio_nreqs ())
1066 { 1366 {
1067 poll_wait (); 1367 poll_wait ();
1068 poll_cb (); 1368 poll_cb ();
1069 } 1369 }
1070 1370
1071int 1371int
1072poll() 1372poll ()
1073 PROTOTYPE:
1074 CODE: 1373 CODE:
1075 poll_wait (); 1374 poll_wait ();
1076 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
1077 OUTPUT: 1376 OUTPUT:
1078 RETVAL 1377 RETVAL
1079 1378
1080int 1379int
1081poll_fileno() 1380poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 1381 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 1382 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 1383 OUTPUT:
1086 RETVAL 1384 RETVAL
1087 1385
1088int 1386int
1089poll_cb(...) 1387poll_cb (...)
1090 PROTOTYPE: 1388 PROTOTYPE:
1091 CODE: 1389 CODE:
1092 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
1093 OUTPUT: 1391 OUTPUT:
1094 RETVAL 1392 RETVAL
1095 1393
1096void 1394void
1097poll_wait() 1395poll_wait ()
1098 PROTOTYPE:
1099 CODE: 1396 CODE:
1100 poll_wait (); 1397 poll_wait ();
1101 1398
1102int 1399int
1103nreqs() 1400nreqs ()
1104 PROTOTYPE:
1105 CODE: 1401 CODE:
1106 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
1107 OUTPUT: 1403 OUTPUT:
1108 RETVAL 1404 RETVAL
1109 1405
1110int 1406int
1111nready() 1407nready ()
1112 PROTOTYPE:
1113 CODE: 1408 CODE:
1114 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
1115 OUTPUT: 1410 OUTPUT:
1116 RETVAL 1411 RETVAL
1117 1412
1118int 1413int
1119npending() 1414npending ()
1120 PROTOTYPE:
1121 CODE: 1415 CODE:
1122 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
1123 OUTPUT: 1417 OUTPUT:
1124 RETVAL 1418 RETVAL
1125 1419
1126int 1420int
1127nthreads() 1421nthreads ()
1128 PROTOTYPE:
1129 CODE: 1422 CODE:
1130 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1131 OUTPUT: 1424 OUTPUT:
1132 RETVAL 1425 RETVAL
1133 1426
1134int 1427int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 1429 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 1431 OUTPUT:
1144 RETVAL 1432 RETVAL
1145 1433
1146ssize_t 1434ssize_t
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 1436 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438 OUTPUT:
1439 RETVAL
1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1151 1548
1152void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1153 CODE: 1550 CODE:
1154 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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