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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 1.180 by root, Fri Feb 11 00:05:17 2011 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_MEMLOCK_RANGE || _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 S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif
237
238#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON
241# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif
244#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
269#endif
270
271#ifndef PAGESIZE
272# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 273#endif
146 274
147static int req_invoke (eio_req *req); 275static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 276#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 277static void req_destroy (eio_req *grp);
… …
160 288
161static SV *on_next_submit; 289static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 290static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 291static int max_outstanding;
164 292
165static int respipe_osf [2];
166static s_epipe respipe; 293static s_epipe respipe;
167 294
168static void req_destroy (aio_req req); 295static void req_destroy (aio_req req);
169static void req_cancel (aio_req req); 296static void req_cancel (aio_req req);
170 297
… …
179 /* read any signals sent by the worker threads */ 306 /* read any signals sent by the worker threads */
180 s_epipe_drain (&respipe); 307 s_epipe_drain (&respipe);
181} 308}
182 309
183/* must be called at most once */ 310/* must be called at most once */
184static SV *req_sv (aio_req req, const char *klass) 311static SV *req_sv (aio_req req, HV *stash)
185{ 312{
186 if (!req->self) 313 if (!req->self)
187 { 314 {
188 req->self = (SV *)newHV (); 315 req->self = (SV *)newHV ();
189 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
190 } 317 }
191 318
192 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
193} 320}
194 321
195static aio_req SvAIO_REQ (SV *sv) 322static aio_req SvAIO_REQ (SV *sv)
196{ 323{
197 MAGIC *mg; 324 MAGIC *mg;
198 325
199 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 326 if (!SvROK (sv)
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class " AIO_REQ_KLASS " expected"); 330 croak ("object of class IO::AIO::REQ expected");
201 331
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 333
204 return mg ? (aio_req)mg->mg_ptr : 0; 334 return mg ? (aio_req)mg->mg_ptr : 0;
205} 335}
… …
211 dSP; 341 dSP;
212 342
213 ENTER; 343 ENTER;
214 SAVETMPS; 344 SAVETMPS;
215 PUSHMARK (SP); 345 PUSHMARK (SP);
216 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 346 XPUSHs (req_sv (grp, aio_grp_stash));
217 PUTBACK; 347 PUTBACK;
218 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 348 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
219 SPAGAIN; 349 SPAGAIN;
220 FREETMPS; 350 FREETMPS;
221 LEAVE; 351 LEAVE;
… …
239 } 369 }
240} 370}
241 371
242static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
243{ 373{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
248 376
249 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
250 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
251 ENTER; 383 ENTER;
252 SAVETMPS; 384 SAVETMPS;
253 PUSHMARK (SP); 385 PUSHMARK (SP);
254 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
255 400
256 switch (req->type) 401 switch (req->type)
257 { 402 {
258 case EIO_READDIR: 403 case EIO_READDIR:
259 { 404 {
… …
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
328 char sym [64]; 473 char sym [64];
329 int symlen; 474 int symlen;
330 475
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
332 gv_init (gv, stash, sym, symlen, 0); 477 gv_init (gv, aio_stash, sym, symlen, 0);
333 478
334 symlen = snprintf ( 479 symlen = snprintf (
335 sym, 480 sym,
336 sizeof (sym), 481 sizeof (sym),
337 "%s&=%d", 482 "%s&=%d",
… …
345 490
346 PUSHs (fh); 491 PUSHs (fh);
347 } 492 }
348 break; 493 break;
349 494
495 case EIO_STATVFS:
496 case EIO_FSTATVFS:
497 {
498 SV *rv = &PL_sv_undef;
499
500 if (req->result >= 0)
501 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV ();
504
505 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
509 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 }
519
520 PUSHs (rv);
521 }
522
523 break;
524
350 case EIO_GROUP: 525 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 526 req->int1 = 2; /* mark group as finished */
352 527
353 if (req->sv1) 528 if (req->sv1)
354 { 529 {
… …
374 case EIO_LSTAT: 549 case EIO_LSTAT:
375 case EIO_FSTAT: 550 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
377 PL_laststatval = req->result; 552 PL_laststatval = req->result;
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
380 break; 555 break;
381 556
382 case EIO_READ: 557 case EIO_READ:
383 { 558 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
389 } 564 }
390 break; 565 break;
391 566
392 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 568 if (req->result > 0)
394 req->result = 0; 569 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
396 571
397 default: 572 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
399 break; 574 break;
400 } 575 }
401 576
402 errno = req->errorno; 577 errno = req->errorno;
403 578
404 PUTBACK; 579 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
407 587
408 FREETMPS; 588 FREETMPS;
409 LEAVE; 589 LEAVE;
410 590
411 PUTBACK; 591 PUTBACK;
… …
444 624
445static void 625static void
446create_respipe (void) 626create_respipe (void)
447{ 627{
448 if (s_epipe_renew (&respipe)) 628 if (s_epipe_renew (&respipe))
449 croak ("unable to initialize result pipe"); 629 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} 630}
454 631
455static void poll_wait (void) 632static void poll_wait (void)
456{ 633{
457 while (eio_nreqs ()) 634 while (eio_nreqs ())
… …
489 666
490static void atfork_child (void) 667static void atfork_child (void)
491{ 668{
492 create_respipe (); 669 create_respipe ();
493} 670}
671
672/*****************************************************************************/
673
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714
715/*****************************************************************************/
494 716
495static SV * 717static SV *
496get_cb (SV *cb_sv) 718get_cb (SV *cb_sv)
497{ 719{
498 SvGETMAGIC (cb_sv); 720 SvGETMAGIC (cb_sv);
… …
518 PUTBACK; \ 740 PUTBACK; \
519 req_submit (req); \ 741 req_submit (req); \
520 SPAGAIN; \ 742 SPAGAIN; \
521 \ 743 \
522 if (GIMME_V != G_VOID) \ 744 if (GIMME_V != G_VOID) \
523 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 745 XPUSHs (req_sv (req, aio_req_stash));
524 746
525MODULE = IO::AIO PACKAGE = IO::AIO 747MODULE = IO::AIO PACKAGE = IO::AIO
526 748
527PROTOTYPES: ENABLE 749PROTOTYPES: ENABLE
528 750
… …
530{ 752{
531 static const struct { 753 static const struct {
532 const char *name; 754 const char *name;
533 IV iv; 755 IV iv;
534 } *civ, const_iv[] = { 756 } *civ, const_iv[] = {
535# define const_iv(name, value) { # name, (IV) value }, 757# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name },
536# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
537 const_iv (EXDEV , EXDEV) 760 const_iv (EXDEV)
538 const_iv (ENOSYS , ENOSYS) 761 const_iv (ENOSYS)
539 const_iv (O_RDONLY, O_RDONLY) 762 const_iv (O_RDONLY)
540 const_iv (O_WRONLY, O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
541 const_iv (O_CREAT , O_CREAT) 765 const_iv (O_CREAT)
542 const_iv (O_TRUNC , O_TRUNC) 766 const_iv (O_TRUNC)
543#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
544 const_iv (S_IFIFO , S_IFIFO) 770 const_iv (S_IFIFO)
545#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
546 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
547 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
548 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
549 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
550 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
551 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792
793 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC)
797 const_iv (ST_SYNCHRONOUS)
798 const_iv (ST_MANDLOCK)
799 const_iv (ST_WRITE)
800 const_iv (ST_APPEND)
801 const_iv (ST_IMMUTABLE)
802 const_iv (ST_NOATIME)
803 const_iv (ST_NODIRATIME)
804 const_iv (ST_RELATIME)
805
806 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC)
808 const_iv (PROT_READ)
809 const_iv (PROT_WRITE)
810
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED)
814 const_iv (MAP_ANONYMOUS)
815
816 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK)
822
823 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT)
825
826 const_eio (MS_ASYNC)
827 const_eio (MS_INVALIDATE)
828 const_eio (MS_SYNC)
829
830 const_eio (MT_MODIFY)
552 831
553 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
554 const_eio (SYNC_FILE_RANGE_WRITE) 833 const_eio (SYNC_FILE_RANGE_WRITE)
555 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
556 835
… …
568 const_eio (DT_LNK) 847 const_eio (DT_LNK)
569 const_eio (DT_SOCK) 848 const_eio (DT_SOCK)
570 const_eio (DT_WHT) 849 const_eio (DT_WHT)
571 }; 850 };
572 851
573 stash = gv_stashpv ("IO::AIO", 1); 852 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
574 855
575 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
576 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
858
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
577 860
578 create_respipe (); 861 create_respipe ();
579 862
580 if (eio_init (want_poll, done_poll) < 0) 863 if (eio_init (want_poll, done_poll) < 0)
581 croak ("IO::AIO: unable to initialise eio library"); 864 croak ("IO::AIO: unable to initialise eio library");
… …
620 CODE: 903 CODE:
621 max_outstanding = maxreqs; 904 max_outstanding = maxreqs;
622 905
623void 906void
624aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 907aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
625 PROTOTYPE: $$$;$
626 PPCODE: 908 PPCODE:
627{ 909{
628 dREQ; 910 dREQ;
629 911
630 req->type = EIO_OPEN; 912 req->type = EIO_OPEN;
… …
636 REQ_SEND; 918 REQ_SEND;
637} 919}
638 920
639void 921void
640aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 922aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
641 PROTOTYPE: $;$
642 ALIAS: 923 ALIAS:
643 aio_fsync = EIO_FSYNC 924 aio_fsync = EIO_FSYNC
644 aio_fdatasync = EIO_FDATASYNC 925 aio_fdatasync = EIO_FDATASYNC
645 PPCODE: 926 PPCODE:
646{ 927{
… …
654 REQ_SEND (req); 935 REQ_SEND (req);
655} 936}
656 937
657void 938void
658aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 939aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
659 PROTOTYPE: $$$$;$
660 PPCODE: 940 PPCODE:
661{ 941{
662 int fd = s_fileno_croak (fh, 0); 942 int fd = s_fileno_croak (fh, 0);
663 dREQ; 943 dREQ;
664 944
… …
672 REQ_SEND (req); 952 REQ_SEND (req);
673} 953}
674 954
675void 955void
676aio_close (SV *fh, SV *callback=&PL_sv_undef) 956aio_close (SV *fh, SV *callback=&PL_sv_undef)
677 PROTOTYPE: $;$
678 PPCODE: 957 PPCODE:
679{ 958{
680 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 959 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
681 int fd = s_fileno_croak (fh, 0); 960 int fd = s_fileno_croak (fh, 0);
682 dREQ; 961 dREQ;
… …
704void 983void
705aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 984aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
706 ALIAS: 985 ALIAS:
707 aio_read = EIO_READ 986 aio_read = EIO_READ
708 aio_write = EIO_WRITE 987 aio_write = EIO_WRITE
709 PROTOTYPE: $$$$$;$
710 PPCODE: 988 PPCODE:
711{ 989{
712 STRLEN svlen; 990 STRLEN svlen;
713 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 991 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
714 char *svptr = SvPVbyte (data, svlen); 992 char *svptr = SvPVbyte (data, svlen);
… …
755 } 1033 }
756} 1034}
757 1035
758void 1036void
759aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1037aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
760 PROTOTYPE: $$;$
761 PPCODE: 1038 PPCODE:
762{ 1039{
763 SV *data; 1040 SV *data;
764 dREQ; 1041 dREQ;
765 1042
… …
770 REQ_SEND; 1047 REQ_SEND;
771} 1048}
772 1049
773void 1050void
774aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1051aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
775 PROTOTYPE: $$$$;$
776 PPCODE: 1052 PPCODE:
777{ 1053{
778 int ifd = s_fileno_croak (in_fh , 0); 1054 int ifd = s_fileno_croak (in_fh , 0);
779 int ofd = s_fileno_croak (out_fh, 1); 1055 int ofd = s_fileno_croak (out_fh, 1);
780 dREQ; 1056 dREQ;
… …
790 REQ_SEND; 1066 REQ_SEND;
791} 1067}
792 1068
793void 1069void
794aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1070aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
795 PROTOTYPE: $$$;$
796 PPCODE: 1071 PPCODE:
797{ 1072{
798 int fd = s_fileno_croak (fh, 0); 1073 int fd = s_fileno_croak (fh, 0);
799 dREQ; 1074 dREQ;
800 1075
… …
808} 1083}
809 1084
810void 1085void
811aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1086aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
812 ALIAS: 1087 ALIAS:
813 aio_stat = EIO_STAT 1088 aio_stat = EIO_STAT
814 aio_lstat = EIO_LSTAT 1089 aio_lstat = EIO_LSTAT
1090 aio_statvfs = EIO_STATVFS
815 PPCODE: 1091 PPCODE:
816{ 1092{
817 dREQ; 1093 dREQ;
818 1094
819 req->sv1 = newSVsv (fh_or_path); 1095 req->sv1 = newSVsv (fh_or_path);
… …
823 req->type = ix; 1099 req->type = ix;
824 req->ptr1 = SvPVbyte_nolen (req->sv1); 1100 req->ptr1 = SvPVbyte_nolen (req->sv1);
825 } 1101 }
826 else 1102 else
827 { 1103 {
828 req->type = EIO_FSTAT; 1104 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
829 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1105 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
830 } 1106 }
831 1107
832 REQ_SEND; 1108 REQ_SEND;
833} 1109}
1110
1111UV
1112major (UV dev)
1113 ALIAS:
1114 minor = 1
1115 CODE:
1116 RETVAL = ix ? major (dev) : minor (dev);
1117 OUTPUT:
1118 RETVAL
1119
1120UV
1121makedev (UV maj, UV min)
1122 CODE:
1123 RETVAL = makedev (maj, min);
1124 OUTPUT:
1125 RETVAL
834 1126
835void 1127void
836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1128aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
837 PPCODE: 1129 PPCODE:
838{ 1130{
… …
996 1288
997 REQ_SEND; 1289 REQ_SEND;
998} 1290}
999 1291
1000void 1292void
1293aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1294 ALIAS:
1295 aio_mtouch = EIO_MTOUCH
1296 aio_msync = EIO_MSYNC
1297 PPCODE:
1298{
1299 STRLEN svlen;
1300 char *svptr = SvPVbyte (data, svlen);
1301 UV len = SvUV (length);
1302
1303 if (offset < 0)
1304 offset += svlen;
1305
1306 if (offset < 0 || offset > svlen)
1307 croak ("offset outside of scalar");
1308
1309 if (!SvOK (length) || len + offset > svlen)
1310 len = svlen - offset;
1311
1312 {
1313 dREQ;
1314
1315 req->type = ix;
1316 req->sv2 = SvREFCNT_inc (data);
1317 req->ptr2 = (char *)svptr + offset;
1318 req->size = len;
1319 req->int1 = flags;
1320
1321 REQ_SEND;
1322 }
1323}
1324
1325void
1326aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1327 PPCODE:
1328{
1329 STRLEN svlen;
1330 char *svptr = SvPVbyte (data, svlen);
1331 UV len = SvUV (length);
1332
1333 if (offset < 0)
1334 offset += svlen;
1335
1336 if (offset < 0 || offset > svlen)
1337 croak ("offset outside of scalar");
1338
1339 if (!SvOK (length) || len + offset > svlen)
1340 len = svlen - offset;
1341
1342 {
1343 dREQ;
1344
1345 req->type = EIO_MLOCK;
1346 req->sv2 = SvREFCNT_inc (data);
1347 req->ptr2 = (char *)svptr + offset;
1348 req->size = len;
1349
1350 REQ_SEND;
1351 }
1352}
1353
1354void
1355aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1356 PPCODE:
1357{
1358 dREQ;
1359
1360 req->type = EIO_MLOCKALL;
1361 req->int1 = flags;
1362
1363 REQ_SEND;
1364}
1365
1366void
1001aio_busy (double delay, SV *callback=&PL_sv_undef) 1367aio_busy (double delay, SV *callback=&PL_sv_undef)
1002 PPCODE: 1368 PPCODE:
1003{ 1369{
1004 dREQ; 1370 dREQ;
1005 1371
… …
1009 REQ_SEND; 1375 REQ_SEND;
1010} 1376}
1011 1377
1012void 1378void
1013aio_group (SV *callback=&PL_sv_undef) 1379aio_group (SV *callback=&PL_sv_undef)
1014 PROTOTYPE: ;$
1015 PPCODE: 1380 PPCODE:
1016{ 1381{
1017 dREQ; 1382 dREQ;
1018 1383
1019 req->type = EIO_GROUP; 1384 req->type = EIO_GROUP;
1020 1385
1021 req_submit (req); 1386 req_submit (req);
1022 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1387 XPUSHs (req_sv (req, aio_grp_stash));
1023} 1388}
1024 1389
1025void 1390void
1026aio_nop (SV *callback=&PL_sv_undef) 1391aio_nop (SV *callback=&PL_sv_undef)
1027 ALIAS: 1392 ALIAS:
… …
1036 REQ_SEND; 1401 REQ_SEND;
1037} 1402}
1038 1403
1039int 1404int
1040aioreq_pri (int pri = 0) 1405aioreq_pri (int pri = 0)
1041 PROTOTYPE: ;$
1042 CODE: 1406 CODE:
1043 RETVAL = next_pri; 1407 RETVAL = next_pri;
1044 if (items > 0) 1408 if (items > 0)
1045 { 1409 {
1046 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1410 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1058 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1422 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1059 next_pri = nice; 1423 next_pri = nice;
1060 1424
1061void 1425void
1062flush () 1426flush ()
1063 PROTOTYPE:
1064 CODE: 1427 CODE:
1065 while (eio_nreqs ()) 1428 while (eio_nreqs ())
1066 { 1429 {
1067 poll_wait (); 1430 poll_wait ();
1068 poll_cb (); 1431 poll_cb ();
1069 } 1432 }
1070 1433
1071int 1434int
1072poll() 1435poll ()
1073 PROTOTYPE:
1074 CODE: 1436 CODE:
1075 poll_wait (); 1437 poll_wait ();
1076 RETVAL = poll_cb (); 1438 RETVAL = poll_cb ();
1077 OUTPUT: 1439 OUTPUT:
1078 RETVAL 1440 RETVAL
1079 1441
1080int 1442int
1081poll_fileno() 1443poll_fileno ()
1082 PROTOTYPE:
1083 CODE: 1444 CODE:
1084 RETVAL = s_epipe_fd (&respipe); 1445 RETVAL = s_epipe_fd (&respipe);
1085 OUTPUT: 1446 OUTPUT:
1086 RETVAL 1447 RETVAL
1087 1448
1088int 1449int
1089poll_cb(...) 1450poll_cb (...)
1090 PROTOTYPE: 1451 PROTOTYPE:
1091 CODE: 1452 CODE:
1092 RETVAL = poll_cb (); 1453 RETVAL = poll_cb ();
1093 OUTPUT: 1454 OUTPUT:
1094 RETVAL 1455 RETVAL
1095 1456
1096void 1457void
1097poll_wait() 1458poll_wait ()
1098 PROTOTYPE:
1099 CODE: 1459 CODE:
1100 poll_wait (); 1460 poll_wait ();
1101 1461
1102int 1462int
1103nreqs() 1463nreqs ()
1104 PROTOTYPE:
1105 CODE: 1464 CODE:
1106 RETVAL = eio_nreqs (); 1465 RETVAL = eio_nreqs ();
1107 OUTPUT: 1466 OUTPUT:
1108 RETVAL 1467 RETVAL
1109 1468
1110int 1469int
1111nready() 1470nready ()
1112 PROTOTYPE:
1113 CODE: 1471 CODE:
1114 RETVAL = eio_nready (); 1472 RETVAL = eio_nready ();
1115 OUTPUT: 1473 OUTPUT:
1116 RETVAL 1474 RETVAL
1117 1475
1118int 1476int
1119npending() 1477npending ()
1120 PROTOTYPE:
1121 CODE: 1478 CODE:
1122 RETVAL = eio_npending (); 1479 RETVAL = eio_npending ();
1123 OUTPUT: 1480 OUTPUT:
1124 RETVAL 1481 RETVAL
1125 1482
1126int 1483int
1127nthreads() 1484nthreads ()
1128 PROTOTYPE:
1129 CODE: 1485 CODE:
1130 RETVAL = eio_nthreads (); 1486 RETVAL = eio_nthreads ();
1131 OUTPUT: 1487 OUTPUT:
1132 RETVAL 1488 RETVAL
1133 1489
1134int 1490int
1135fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1491fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1136 PROTOTYPE: $$$$
1137 CODE: 1492 CODE:
1138#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1139 RETVAL = posix_fadvise (fh, offset, length, advice); 1493 RETVAL = posix_fadvise (fh, offset, length, advice);
1140#else
1141 RETVAL = errno = ENOSYS;
1142#endif
1143 OUTPUT: 1494 OUTPUT:
1144 RETVAL 1495 RETVAL
1145 1496
1146ssize_t 1497ssize_t
1147sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1498sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1148 PROTOTYPE: $$$$
1149 CODE: 1499 CODE:
1150 eio_sendfile_sync (ofh, ifh, offset, count); 1500 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1501 OUTPUT:
1502 RETVAL
1503
1504void
1505mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1506 PPCODE:
1507 sv_unmagic (scalar, MMAP_MAGIC);
1508{
1509 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1510 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1511 if (addr == (void *)-1)
1512 XSRETURN_NO;
1513
1514 sv_force_normal (scalar);
1515
1516 /* we store the length in mg_obj, as namlen is I32 :/ */
1517 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1518 ->mg_obj = (SV *)length;
1519
1520 SvUPGRADE (scalar, SVt_PV); /* nop... */
1521
1522 if (!(prot & PROT_WRITE))
1523 SvREADONLY_on (scalar);
1524
1525 if (SvLEN (scalar))
1526 Safefree (SvPVX (scalar));
1527
1528 SvPVX (scalar) = (char *)addr;
1529 SvCUR_set (scalar, length);
1530 SvLEN_set (scalar, 0);
1531 SvPOK_only (scalar);
1532
1533 XSRETURN_YES;
1534}
1535
1536void
1537munmap (SV *scalar)
1538 CODE:
1539 sv_unmagic (scalar, MMAP_MAGIC);
1540
1541int
1542madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1543 ALIAS:
1544 mprotect = 1
1545 CODE:
1546{
1547 STRLEN svlen;
1548 void *addr = SvPVbyte (scalar, svlen);
1549 size_t len = SvUV (length);
1550
1551 if (offset < 0)
1552 offset += svlen;
1553
1554 if (offset < 0 || offset > svlen)
1555 croak ("offset outside of scalar");
1556
1557 if (!SvOK (length) || len + offset > svlen)
1558 len = svlen - offset;
1559
1560 addr = (void *)(((intptr_t)addr) + offset);
1561 eio_page_align (&addr, &len);
1562
1563 switch (ix)
1564 {
1565 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1566 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1567 }
1568}
1569 OUTPUT:
1570 RETVAL
1571
1572int
1573munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1574 CODE:
1575{
1576 STRLEN svlen;
1577 void *addr = SvPVbyte (scalar, svlen);
1578 size_t len = SvUV (length);
1579
1580 if (offset < 0)
1581 offset += svlen;
1582
1583 if (offset < 0 || offset > svlen)
1584 croak ("offset outside of scalar");
1585
1586 if (!SvOK (length) || len + offset > svlen)
1587 len = svlen - offset;
1588
1589 addr = (void *)(((intptr_t)addr) + offset);
1590 eio_page_align (&addr, &len);
1591#if _POSIX_MEMLOCK_RANGE
1592 RETVAL = munlock (addr, len);
1593#else
1594 RETVAL = ((errno = ENOSYS), -1);
1595#endif
1596}
1597 OUTPUT:
1598 RETVAL
1599
1600int
1601munlockall ()
1602 CODE:
1603#if _POSIX_MEMLOCK
1604 munlockall ();
1605#else
1606 RETVAL = -1;
1607 errno = ENOSYS;
1608#endif
1609 OUTPUT:
1610 RETVAL
1151 1611
1152void _on_next_submit (SV *cb) 1612void _on_next_submit (SV *cb)
1153 CODE: 1613 CODE:
1154 SvREFCNT_dec (on_next_submit); 1614 SvREFCNT_dec (on_next_submit);
1155 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1615 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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