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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.155 by root, Fri Jul 17 00:56:54 2009 UTC vs.
Revision 1.173 by root, Mon Sep 13 01:59:05 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);
… …
178 /* read any signals sent by the worker threads */ 272 /* read any signals sent by the worker threads */
179 s_epipe_drain (&respipe); 273 s_epipe_drain (&respipe);
180} 274}
181 275
182/* must be called at most once */ 276/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 277static SV *req_sv (aio_req req, HV *stash)
184{ 278{
185 if (!req->self) 279 if (!req->self)
186 { 280 {
187 req->self = (SV *)newHV (); 281 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 282 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 283 }
190 284
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 285 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 286}
193 287
194static aio_req SvAIO_REQ (SV *sv) 288static aio_req SvAIO_REQ (SV *sv)
195{ 289{
196 MAGIC *mg; 290 MAGIC *mg;
197 291
198 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")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 296 croak ("object of class IO::AIO::REQ expected");
200 297
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 298 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 299
203 return mg ? (aio_req)mg->mg_ptr : 0; 300 return mg ? (aio_req)mg->mg_ptr : 0;
204} 301}
… …
210 dSP; 307 dSP;
211 308
212 ENTER; 309 ENTER;
213 SAVETMPS; 310 SAVETMPS;
214 PUSHMARK (SP); 311 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 312 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 313 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 314 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 315 SPAGAIN;
219 FREETMPS; 316 FREETMPS;
220 LEAVE; 317 LEAVE;
… …
238 } 335 }
239} 336}
240 337
241static int req_invoke (eio_req *req) 338static int req_invoke (eio_req *req)
242{ 339{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 340 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 341 SvREADONLY_off (req->sv2);
247 342
248 if (!EIO_CANCELLED (req) && req->callback) 343 if (!EIO_CANCELLED (req) && req->callback)
249 { 344 {
345 dSP;
346 static SV *sv_result_cache; /* caches the result integer SV */
347 SV *sv_result;
348
250 ENTER; 349 ENTER;
251 SAVETMPS; 350 SAVETMPS;
252 PUSHMARK (SP); 351 PUSHMARK (SP);
253 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 }
254 365
255 switch (req->type) 366 switch (req->type)
256 { 367 {
257 case EIO_READDIR: 368 case EIO_READDIR:
258 { 369 {
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 438 char sym [64];
328 int symlen; 439 int symlen;
329 440
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 442 gv_init (gv, aio_stash, sym, symlen, 0);
332 443
333 symlen = snprintf ( 444 symlen = snprintf (
334 sym, 445 sym,
335 sizeof (sym), 446 sizeof (sym),
336 "%s&=%d", 447 "%s&=%d",
… …
344 455
345 PUSHs (fh); 456 PUSHs (fh);
346 } 457 }
347 break; 458 break;
348 459
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
349 case EIO_GROUP: 490 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 491 req->int1 = 2; /* mark group as finished */
351 492
352 if (req->sv1) 493 if (req->sv1)
353 { 494 {
… …
373 case EIO_LSTAT: 514 case EIO_LSTAT:
374 case EIO_FSTAT: 515 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376 PL_laststatval = req->result; 517 PL_laststatval = req->result;
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 519 PUSHs (sv_result);
379 break; 520 break;
380 521
381 case EIO_READ: 522 case EIO_READ:
382 { 523 {
383 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));
384 *SvEND (req->sv2) = 0; 525 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 526 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 527 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 528 PUSHs (sv_result);
388 } 529 }
389 break; 530 break;
390 531
391 case EIO_DUP2: 532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
392 if (req->result > 0) 533 if (req->result > 0)
393 req->result = 0; 534 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 535 /* FALLTHROUGH */
395 536
396 default: 537 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 538 PUSHs (sv_result);
398 break; 539 break;
399 } 540 }
400 541
401 errno = req->errorno; 542 errno = req->errorno;
402 543
403 PUTBACK; 544 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 545 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 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;
406 552
407 FREETMPS; 553 FREETMPS;
408 LEAVE; 554 LEAVE;
409 555
410 PUTBACK; 556 PUTBACK;
… …
485 631
486static void atfork_child (void) 632static void atfork_child (void)
487{ 633{
488 create_respipe (); 634 create_respipe ();
489} 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/*****************************************************************************/
490 673
491static SV * 674static SV *
492get_cb (SV *cb_sv) 675get_cb (SV *cb_sv)
493{ 676{
494 SvGETMAGIC (cb_sv); 677 SvGETMAGIC (cb_sv);
… …
514 PUTBACK; \ 697 PUTBACK; \
515 req_submit (req); \ 698 req_submit (req); \
516 SPAGAIN; \ 699 SPAGAIN; \
517 \ 700 \
518 if (GIMME_V != G_VOID) \ 701 if (GIMME_V != G_VOID) \
519 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 702 XPUSHs (req_sv (req, aio_req_stash));
520 703
521MODULE = IO::AIO PACKAGE = IO::AIO 704MODULE = IO::AIO PACKAGE = IO::AIO
522 705
523PROTOTYPES: ENABLE 706PROTOTYPES: ENABLE
524 707
… …
526{ 709{
527 static const struct { 710 static const struct {
528 const char *name; 711 const char *name;
529 IV iv; 712 IV iv;
530 } *civ, const_iv[] = { 713 } *civ, const_iv[] = {
531# 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 },
532# define const_eio(name) { # name, (IV) EIO_ ## name }, 716# define const_eio(name) { # name, (IV) EIO_ ## name },
533 const_iv (EXDEV , EXDEV) 717 const_iv (EXDEV)
534 const_iv (ENOSYS , ENOSYS) 718 const_iv (ENOSYS)
535 const_iv (O_RDONLY, O_RDONLY) 719 const_iv (O_RDONLY)
536 const_iv (O_WRONLY, O_WRONLY) 720 const_iv (O_WRONLY)
721 const_iv (O_RDWR)
537 const_iv (O_CREAT , O_CREAT) 722 const_iv (O_CREAT)
538 const_iv (O_TRUNC , O_TRUNC) 723 const_iv (O_TRUNC)
724 const_iv (O_EXCL)
725 const_iv (O_APPEND)
539#ifndef _WIN32 726#ifndef _WIN32
540 const_iv (S_IFIFO , S_IFIFO) 727 const_iv (S_IFIFO)
541#endif 728#endif
542 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 729 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
543 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 730 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
544 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 731 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
545 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 732 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
546 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 733 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
547 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)
548 780
549 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 781 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
550 const_eio (SYNC_FILE_RANGE_WRITE) 782 const_eio (SYNC_FILE_RANGE_WRITE)
551 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 783 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
552 784
… …
564 const_eio (DT_LNK) 796 const_eio (DT_LNK)
565 const_eio (DT_SOCK) 797 const_eio (DT_SOCK)
566 const_eio (DT_WHT) 798 const_eio (DT_WHT)
567 }; 799 };
568 800
569 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);
570 804
571 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; )
572 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));
573 809
574 create_respipe (); 810 create_respipe ();
575 811
576 if (eio_init (want_poll, done_poll) < 0) 812 if (eio_init (want_poll, done_poll) < 0)
577 croak ("IO::AIO: unable to initialise eio library"); 813 croak ("IO::AIO: unable to initialise eio library");
… …
616 CODE: 852 CODE:
617 max_outstanding = maxreqs; 853 max_outstanding = maxreqs;
618 854
619void 855void
620aio_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)
621 PROTOTYPE: $$$;$
622 PPCODE: 857 PPCODE:
623{ 858{
624 dREQ; 859 dREQ;
625 860
626 req->type = EIO_OPEN; 861 req->type = EIO_OPEN;
… …
632 REQ_SEND; 867 REQ_SEND;
633} 868}
634 869
635void 870void
636aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 871aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
637 PROTOTYPE: $;$
638 ALIAS: 872 ALIAS:
639 aio_fsync = EIO_FSYNC 873 aio_fsync = EIO_FSYNC
640 aio_fdatasync = EIO_FDATASYNC 874 aio_fdatasync = EIO_FDATASYNC
641 PPCODE: 875 PPCODE:
642{ 876{
… …
650 REQ_SEND (req); 884 REQ_SEND (req);
651} 885}
652 886
653void 887void
654aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 888aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
655 PROTOTYPE: $$$$;$
656 PPCODE: 889 PPCODE:
657{ 890{
658 int fd = s_fileno_croak (fh, 0); 891 int fd = s_fileno_croak (fh, 0);
659 dREQ; 892 dREQ;
660 893
… …
668 REQ_SEND (req); 901 REQ_SEND (req);
669} 902}
670 903
671void 904void
672aio_close (SV *fh, SV *callback=&PL_sv_undef) 905aio_close (SV *fh, SV *callback=&PL_sv_undef)
673 PROTOTYPE: $;$
674 PPCODE: 906 PPCODE:
675{ 907{
676 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 908 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
677 int fd = s_fileno_croak (fh, 0); 909 int fd = s_fileno_croak (fh, 0);
678 dREQ; 910 dREQ;
… …
700void 932void
701aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 933aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
702 ALIAS: 934 ALIAS:
703 aio_read = EIO_READ 935 aio_read = EIO_READ
704 aio_write = EIO_WRITE 936 aio_write = EIO_WRITE
705 PROTOTYPE: $$$$$;$
706 PPCODE: 937 PPCODE:
707{ 938{
708 STRLEN svlen; 939 STRLEN svlen;
709 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 940 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
710 char *svptr = SvPVbyte (data, svlen); 941 char *svptr = SvPVbyte (data, svlen);
… …
751 } 982 }
752} 983}
753 984
754void 985void
755aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 986aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
756 PROTOTYPE: $$;$
757 PPCODE: 987 PPCODE:
758{ 988{
759 SV *data; 989 SV *data;
760 dREQ; 990 dREQ;
761 991
… …
766 REQ_SEND; 996 REQ_SEND;
767} 997}
768 998
769void 999void
770aio_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)
771 PROTOTYPE: $$$$;$
772 PPCODE: 1001 PPCODE:
773{ 1002{
774 int ifd = s_fileno_croak (in_fh , 0); 1003 int ifd = s_fileno_croak (in_fh , 0);
775 int ofd = s_fileno_croak (out_fh, 1); 1004 int ofd = s_fileno_croak (out_fh, 1);
776 dREQ; 1005 dREQ;
… …
786 REQ_SEND; 1015 REQ_SEND;
787} 1016}
788 1017
789void 1018void
790aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
791 PROTOTYPE: $$$;$
792 PPCODE: 1020 PPCODE:
793{ 1021{
794 int fd = s_fileno_croak (fh, 0); 1022 int fd = s_fileno_croak (fh, 0);
795 dREQ; 1023 dREQ;
796 1024
… …
804} 1032}
805 1033
806void 1034void
807aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1035aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
808 ALIAS: 1036 ALIAS:
809 aio_stat = EIO_STAT 1037 aio_stat = EIO_STAT
810 aio_lstat = EIO_LSTAT 1038 aio_lstat = EIO_LSTAT
1039 aio_statvfs = EIO_STATVFS
811 PPCODE: 1040 PPCODE:
812{ 1041{
813 dREQ; 1042 dREQ;
814 1043
815 req->sv1 = newSVsv (fh_or_path); 1044 req->sv1 = newSVsv (fh_or_path);
… …
819 req->type = ix; 1048 req->type = ix;
820 req->ptr1 = SvPVbyte_nolen (req->sv1); 1049 req->ptr1 = SvPVbyte_nolen (req->sv1);
821 } 1050 }
822 else 1051 else
823 { 1052 {
824 req->type = EIO_FSTAT; 1053 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
825 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1054 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826 } 1055 }
827 1056
828 REQ_SEND; 1057 REQ_SEND;
829} 1058}
… …
992 1221
993 REQ_SEND; 1222 REQ_SEND;
994} 1223}
995 1224
996void 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 STRLEN svlen;
1263 char *svptr = SvPVbyte (data, svlen);
1264 UV len = SvUV (length);
1265
1266 if (offset < 0)
1267 offset += svlen;
1268
1269 if (offset < 0 || offset > svlen)
1270 croak ("offset outside of scalar");
1271
1272 if (!SvOK (length) || len + offset > svlen)
1273 len = svlen - offset;
1274
1275 {
1276 dREQ;
1277
1278 req->type = EIO_MLOCK;
1279 req->sv2 = SvREFCNT_inc (data);
1280 req->ptr2 = (char *)svptr + offset;
1281 req->size = len;
1282
1283 REQ_SEND;
1284 }
1285}
1286
1287void
1288aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1289 PPCODE:
1290{
1291 dREQ;
1292
1293 req->type = EIO_MLOCKALL;
1294 req->int1 = flags;
1295
1296 REQ_SEND;
1297}
1298
1299void
997aio_busy (double delay, SV *callback=&PL_sv_undef) 1300aio_busy (double delay, SV *callback=&PL_sv_undef)
998 PPCODE: 1301 PPCODE:
999{ 1302{
1000 dREQ; 1303 dREQ;
1001 1304
… …
1005 REQ_SEND; 1308 REQ_SEND;
1006} 1309}
1007 1310
1008void 1311void
1009aio_group (SV *callback=&PL_sv_undef) 1312aio_group (SV *callback=&PL_sv_undef)
1010 PROTOTYPE: ;$
1011 PPCODE: 1313 PPCODE:
1012{ 1314{
1013 dREQ; 1315 dREQ;
1014 1316
1015 req->type = EIO_GROUP; 1317 req->type = EIO_GROUP;
1016 1318
1017 req_submit (req); 1319 req_submit (req);
1018 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1320 XPUSHs (req_sv (req, aio_grp_stash));
1019} 1321}
1020 1322
1021void 1323void
1022aio_nop (SV *callback=&PL_sv_undef) 1324aio_nop (SV *callback=&PL_sv_undef)
1023 ALIAS: 1325 ALIAS:
… …
1032 REQ_SEND; 1334 REQ_SEND;
1033} 1335}
1034 1336
1035int 1337int
1036aioreq_pri (int pri = 0) 1338aioreq_pri (int pri = 0)
1037 PROTOTYPE: ;$
1038 CODE: 1339 CODE:
1039 RETVAL = next_pri; 1340 RETVAL = next_pri;
1040 if (items > 0) 1341 if (items > 0)
1041 { 1342 {
1042 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1343 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1054 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1355 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1055 next_pri = nice; 1356 next_pri = nice;
1056 1357
1057void 1358void
1058flush () 1359flush ()
1059 PROTOTYPE:
1060 CODE: 1360 CODE:
1061 while (eio_nreqs ()) 1361 while (eio_nreqs ())
1062 { 1362 {
1063 poll_wait (); 1363 poll_wait ();
1064 poll_cb (); 1364 poll_cb ();
1065 } 1365 }
1066 1366
1067int 1367int
1068poll() 1368poll ()
1069 PROTOTYPE:
1070 CODE: 1369 CODE:
1071 poll_wait (); 1370 poll_wait ();
1072 RETVAL = poll_cb (); 1371 RETVAL = poll_cb ();
1073 OUTPUT: 1372 OUTPUT:
1074 RETVAL 1373 RETVAL
1075 1374
1076int 1375int
1077poll_fileno() 1376poll_fileno ()
1078 PROTOTYPE:
1079 CODE: 1377 CODE:
1080 RETVAL = s_epipe_fd (&respipe); 1378 RETVAL = s_epipe_fd (&respipe);
1081 OUTPUT: 1379 OUTPUT:
1082 RETVAL 1380 RETVAL
1083 1381
1084int 1382int
1085poll_cb(...) 1383poll_cb (...)
1086 PROTOTYPE: 1384 PROTOTYPE:
1087 CODE: 1385 CODE:
1088 RETVAL = poll_cb (); 1386 RETVAL = poll_cb ();
1089 OUTPUT: 1387 OUTPUT:
1090 RETVAL 1388 RETVAL
1091 1389
1092void 1390void
1093poll_wait() 1391poll_wait ()
1094 PROTOTYPE:
1095 CODE: 1392 CODE:
1096 poll_wait (); 1393 poll_wait ();
1097 1394
1098int 1395int
1099nreqs() 1396nreqs ()
1100 PROTOTYPE:
1101 CODE: 1397 CODE:
1102 RETVAL = eio_nreqs (); 1398 RETVAL = eio_nreqs ();
1103 OUTPUT: 1399 OUTPUT:
1104 RETVAL 1400 RETVAL
1105 1401
1106int 1402int
1107nready() 1403nready ()
1108 PROTOTYPE:
1109 CODE: 1404 CODE:
1110 RETVAL = eio_nready (); 1405 RETVAL = eio_nready ();
1111 OUTPUT: 1406 OUTPUT:
1112 RETVAL 1407 RETVAL
1113 1408
1114int 1409int
1115npending() 1410npending ()
1116 PROTOTYPE:
1117 CODE: 1411 CODE:
1118 RETVAL = eio_npending (); 1412 RETVAL = eio_npending ();
1119 OUTPUT: 1413 OUTPUT:
1120 RETVAL 1414 RETVAL
1121 1415
1122int 1416int
1123nthreads() 1417nthreads ()
1124 PROTOTYPE:
1125 CODE: 1418 CODE:
1126 RETVAL = eio_nthreads (); 1419 RETVAL = eio_nthreads ();
1127 OUTPUT: 1420 OUTPUT:
1128 RETVAL 1421 RETVAL
1129 1422
1130int 1423int
1131fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1424fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1132 PROTOTYPE: $$$$
1133 CODE: 1425 CODE:
1134#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1135 RETVAL = posix_fadvise (fh, offset, length, advice); 1426 RETVAL = posix_fadvise (fh, offset, length, advice);
1136#else
1137 RETVAL = errno = ENOSYS;
1138#endif
1139 OUTPUT: 1427 OUTPUT:
1140 RETVAL 1428 RETVAL
1141 1429
1142ssize_t 1430ssize_t
1143sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1431sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144 PROTOTYPE: $$$$
1145 CODE: 1432 CODE:
1146 eio_sendfile_sync (ofh, ifh, offset, count); 1433 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1434 OUTPUT:
1435 RETVAL
1436
1437void
1438mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1439 PPCODE:
1440 sv_unmagic (scalar, MMAP_MAGIC);
1441{
1442 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1443 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1444 if (addr == (void *)-1)
1445 XSRETURN_NO;
1446
1447 sv_force_normal (scalar);
1448
1449 /* we store the length in mg_obj, as namlen is I32 :/ */
1450 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1451 ->mg_obj = (SV *)length;
1452
1453 SvUPGRADE (scalar, SVt_PV); /* nop... */
1454
1455 if (!(prot & PROT_WRITE))
1456 SvREADONLY_on (scalar);
1457
1458 if (SvLEN (scalar))
1459 Safefree (SvPVX (scalar));
1460
1461 SvPVX (scalar) = (char *)addr;
1462 SvCUR_set (scalar, length);
1463 SvLEN_set (scalar, 0);
1464 SvPOK_only (scalar);
1465
1466 XSRETURN_YES;
1467}
1468
1469void
1470munmap (SV *scalar)
1471 CODE:
1472 sv_unmagic (scalar, MMAP_MAGIC);
1473
1474int
1475madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1476 ALIAS:
1477 mprotect = 1
1478 CODE:
1479{
1480 STRLEN svlen;
1481 void *addr = SvPVbyte (scalar, svlen);
1482 size_t len = SvUV (length);
1483
1484 if (offset < 0)
1485 offset += svlen;
1486
1487 if (offset < 0 || offset > svlen)
1488 croak ("offset outside of scalar");
1489
1490 if (!SvOK (length) || len + offset > svlen)
1491 len = svlen - offset;
1492
1493 addr = (void *)(((intptr_t)addr) + offset);
1494 eio_page_align (&addr, &len);
1495
1496 switch (ix)
1497 {
1498 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1499 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1500 }
1501}
1502 OUTPUT:
1503 RETVAL
1504
1505int
1506munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1507 CODE:
1508{
1509 STRLEN svlen;
1510 void *addr = SvPVbyte (scalar, svlen);
1511 size_t len = SvUV (length);
1512
1513 if (offset < 0)
1514 offset += svlen;
1515
1516 if (offset < 0 || offset > svlen)
1517 croak ("offset outside of scalar");
1518
1519 if (!SvOK (length) || len + offset > svlen)
1520 len = svlen - offset;
1521
1522 addr = (void *)(((intptr_t)addr) + offset);
1523 eio_page_align (&addr, &len);
1524#if _POSIX_MEMLOCK
1525 RETVAL = munlock (addr, len);
1526#else
1527 RETVAL = ((errno = ENOSYS), -1);
1528#endif
1529}
1530 OUTPUT:
1531 RETVAL
1532
1533int
1534munlockall ()
1535 CODE:
1536#if _POSIX_MEMLOCK
1537 munlockall ();
1538#else
1539 RETVAL = -1;
1540 errno = ENOSYS;
1541#endif
1542 OUTPUT:
1543 RETVAL
1147 1544
1148void _on_next_submit (SV *cb) 1545void _on_next_submit (SV *cb)
1149 CODE: 1546 CODE:
1150 SvREFCNT_dec (on_next_submit); 1547 SvREFCNT_dec (on_next_submit);
1151 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1548 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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