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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.142 by root, Sat Jun 6 18:19:35 2009 UTC vs.
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
75 82
76#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
77 84
78/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
80# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
81#else 90#else
91# define VAL64 NV
82# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
83#endif 94#endif
84 95
85/*****************************************************************************/ 96/*****************************************************************************/
86 97
87#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
95 106
96/*****************************************************************************/ 107/*****************************************************************************/
97 108
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */
100 112
101#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 114
104#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
105 SV *callback; \ 116 SV *callback; \
106 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
107 STRLEN stroffset; \ 118 STRLEN stroffset; \
… …
109 120
110#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
111 122
112#include "libeio/eio.h" 123#include "libeio/eio.h"
113 124
125#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#ifndef ST_NODEV
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182
183#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON
186# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif
189#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205
206#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif
209
114static int req_invoke (eio_req *req); 210static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 211#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 212static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 213#define EIO_DESTROY(req) req_destroy (req)
118 214
… …
127 223
128static SV *on_next_submit; 224static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 225static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 226static int max_outstanding;
131 227
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 228static s_epipe respipe;
133 229
134static void req_destroy (aio_req req); 230static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 231static void req_cancel (aio_req req);
136 232
137static void want_poll (void) 233static void want_poll (void)
138{ 234{
139 /* write a dummy byte to the pipe so fh becomes ready */ 235 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 236 s_epipe_signal (&respipe);
141} 237}
142 238
143static void done_poll (void) 239static void done_poll (void)
144{ 240{
145 /* read any signals sent by the worker threads */ 241 /* read any signals sent by the worker threads */
146 char buf [4]; 242 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 243}
150 244
151/* must be called at most once */ 245/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 246static SV *req_sv (aio_req req, HV *stash)
153{ 247{
154 if (!req->self) 248 if (!req->self)
155 { 249 {
156 req->self = (SV *)newHV (); 250 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 252 }
159 253
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 255}
162 256
163static aio_req SvAIO_REQ (SV *sv) 257static aio_req SvAIO_REQ (SV *sv)
164{ 258{
165 MAGIC *mg; 259 MAGIC *mg;
166 260
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 261 if (!SvROK (sv)
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 265 croak ("object of class IO::AIO::REQ expected");
169 266
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 268
172 return mg ? (aio_req)mg->mg_ptr : 0; 269 return mg ? (aio_req)mg->mg_ptr : 0;
173} 270}
… …
179 dSP; 276 dSP;
180 277
181 ENTER; 278 ENTER;
182 SAVETMPS; 279 SAVETMPS;
183 PUSHMARK (SP); 280 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 281 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 282 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 283 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 284 SPAGAIN;
188 FREETMPS; 285 FREETMPS;
189 LEAVE; 286 LEAVE;
… …
228 SV *rv = &PL_sv_undef; 325 SV *rv = &PL_sv_undef;
229 326
230 if (req->result >= 0) 327 if (req->result >= 0)
231 { 328 {
232 int i; 329 int i;
233 char *buf = req->ptr2; 330 char *names = (char *)req->ptr2;
331 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 332 AV *av = newAV ();
235 333
236 av_extend (av, req->result - 1); 334 av_extend (av, req->result - 1);
237 335
238 for (i = 0; i < req->result; ++i) 336 for (i = 0; i < req->result; ++i)
239 { 337 {
240 if (req->int1 & EIO_READDIR_DENTS) 338 if (req->int1 & EIO_READDIR_DENTS)
241 { 339 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 340 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 341
245 if (req->int1 & EIO_READDIR_CUSTOM2) 342 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 343 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 344 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 345 AV *avent = newAV ();
… …
254 sv_type [ent->type] = newSViv (ent->type); 351 sv_type [ent->type] = newSViv (ent->type);
255 SvREADONLY_on (sv_type [ent->type]); 352 SvREADONLY_on (sv_type [ent->type]);
256 } 353 }
257 354
258 av_store (avent, 0, namesv); 355 av_store (avent, 0, namesv);
356 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
259 av_store (avent, 1, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); 357 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
260 av_store (avent, 2, SvREFCNT_inc (sv_type [ent->type]));
261 358
262 av_store (av, i, newRV_noinc ((SV *)avent)); 359 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 360 }
264 else 361 else
265 av_store (av, i, namesv); 362 av_store (av, i, namesv);
266 363
267 buf += sizeof (eio_dirent); 364 ++ent;
268 } 365 }
269 else 366 else
270 { 367 {
271 SV *name = newSVpv (buf, 0); 368 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 369 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 370 names += SvCUR (name) + 1;
274 } 371 }
275 } 372 }
276 373
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 374 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 375 }
… …
294 GV *gv = (GV *)sv_newmortal (); 391 GV *gv = (GV *)sv_newmortal ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 392 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
296 char sym [64]; 393 char sym [64];
297 int symlen; 394 int symlen;
298 395
299 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 396 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
300 gv_init (gv, stash, sym, symlen, 0); 397 gv_init (gv, aio_stash, sym, symlen, 0);
301 398
302 symlen = snprintf ( 399 symlen = snprintf (
303 sym, 400 sym,
304 sizeof (sym), 401 sizeof (sym),
305 "%s&=%d", 402 "%s&=%d",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 403 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 req->result 404 (int)req->result
308 ); 405 );
309 406
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 407 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
311 fh = (SV *)gv; 408 fh = (SV *)gv;
312 } 409 }
313 410
314 PUSHs (fh); 411 PUSHs (fh);
315 } 412 }
413 break;
414
415 case EIO_STATVFS:
416 case EIO_FSTATVFS:
417 {
418 SV *rv = &PL_sv_undef;
419
420 if (req->result >= 0)
421 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 HV *hv = newHV ();
424
425 rv = sv_2mortal (newRV_noinc ((SV *)hv));
426
427 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
428 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
429 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
430 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
431 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
432 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
433 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
434 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
436 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438 }
439
440 PUSHs (rv);
441 }
442
316 break; 443 break;
317 444
318 case EIO_GROUP: 445 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 446 req->int1 = 2; /* mark group as finished */
320 447
… …
408 grp->sv2 = 0; 535 grp->sv2 = 0;
409 536
410 eio_grp_cancel (grp); 537 eio_grp_cancel (grp);
411} 538}
412 539
413#ifdef USE_SOCKETS_AS_HANDLES
414# define TO_SOCKET(x) (win32_get_osfhandle (x))
415#else
416# define TO_SOCKET(x) (x)
417#endif
418
419static void 540static void
420create_respipe (void) 541create_respipe (void)
421{ 542{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe)) 543 if (s_epipe_renew (&respipe))
431#endif
432 croak ("unable to initialize result pipe"); 544 croak ("IO::AIO: unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455} 545}
456 546
457static void poll_wait (void) 547static void poll_wait (void)
458{ 548{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 549 while (eio_nreqs ())
462 { 550 {
463 int size; 551 int size;
464 552
465 X_LOCK (reslock); 553 X_LOCK (reslock);
… …
469 if (size) 557 if (size)
470 return; 558 return;
471 559
472 etp_maybe_start_thread (); 560 etp_maybe_start_thread ();
473 561
474 FD_ZERO (&rfd); 562 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 563 }
479} 564}
480 565
481static int poll_cb (void) 566static int poll_cb (void)
482{ 567{
… …
497static void atfork_child (void) 582static void atfork_child (void)
498{ 583{
499 create_respipe (); 584 create_respipe ();
500} 585}
501 586
587/*****************************************************************************/
588
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617
618/*****************************************************************************/
619
502static SV * 620static SV *
503get_cb (SV *cb_sv) 621get_cb (SV *cb_sv)
504{ 622{
505 HV *st; 623 SvGETMAGIC (cb_sv);
506 GV *gvp; 624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
507 CV *cv;
508
509 if (!SvOK (cb_sv))
510 return 0;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 625}
519 626
520#define dREQ \ 627#define dREQ \
521 SV *cb_cv; \ 628 SV *cb_cv; \
522 aio_req req; \ 629 aio_req req; \
… …
536 PUTBACK; \ 643 PUTBACK; \
537 req_submit (req); \ 644 req_submit (req); \
538 SPAGAIN; \ 645 SPAGAIN; \
539 \ 646 \
540 if (GIMME_V != G_VOID) \ 647 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 648 XPUSHs (req_sv (req, aio_req_stash));
542
543static int
544extract_fd (SV *fh, int wr)
545{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
547
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552}
553 649
554MODULE = IO::AIO PACKAGE = IO::AIO 650MODULE = IO::AIO PACKAGE = IO::AIO
555 651
556PROTOTYPES: ENABLE 652PROTOTYPES: ENABLE
557 653
558BOOT: 654BOOT:
559{ 655{
560 stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 656 static const struct {
563 const char *name; 657 const char *name;
564 IV iv; 658 IV iv;
565 } *civ, const_iv[] = { 659 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 660# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 662# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 663 const_iv (EXDEV)
569 const_iv (ENOSYS , ENOSYS) 664 const_iv (ENOSYS)
570 const_iv (O_RDONLY, O_RDONLY) 665 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 666 const_iv (O_WRONLY)
667 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 668 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 669 const_iv (O_TRUNC)
670 const_iv (O_EXCL)
671 const_iv (O_APPEND)
574#ifndef _WIN32 672#ifndef _WIN32
575 const_iv (S_IFIFO , S_IFIFO) 673 const_iv (S_IFIFO)
576#endif 674#endif
675 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
676 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
677 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
678 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
679 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
680 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
681
682 const_iv (ST_RDONLY)
683 const_iv (ST_NOSUID)
684 const_iv (ST_NODEV)
685 const_iv (ST_NOEXEC)
686 const_iv (ST_SYNCHRONOUS)
687 const_iv (ST_MANDLOCK)
688 const_iv (ST_WRITE)
689 const_iv (ST_APPEND)
690 const_iv (ST_IMMUTABLE)
691 const_iv (ST_NOATIME)
692 const_iv (ST_NODIRATIME)
693 const_iv (ST_RELATIME)
694
695 const_iv (PROT_EXEC)
696 const_iv (PROT_NONE)
697 const_iv (PROT_READ)
698 const_iv (PROT_WRITE)
699
700 /*const_iv (MAP_FIXED)*/
701 const_iv (MAP_PRIVATE)
702 const_iv (MAP_SHARED)
703 const_iv (MAP_ANONYMOUS)
704
705 /* linuxish */
706 const_iv (MAP_HUGETLB)
707 const_iv (MAP_LOCKED)
708 const_iv (MAP_NORESERVE)
709 const_iv (MAP_POPULATE)
710 const_iv (MAP_NONBLOCK)
711
712 const_iv (MCL_FUTURE)
713 const_iv (MCL_CURRENT)
714
715 const_eio (MS_ASYNC)
716 const_eio (MS_INVALIDATE)
717 const_eio (MS_SYNC)
718
719 const_eio (MT_MODIFY)
720
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 721 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 722 const_eio (SYNC_FILE_RANGE_WRITE)
579 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 723 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
580 724
581 const_eio (READDIR_DENTS) 725 const_eio (READDIR_DENTS)
… …
592 const_eio (DT_LNK) 736 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 737 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 738 const_eio (DT_WHT)
595 }; 739 };
596 740
741 aio_stash = gv_stashpv ("IO::AIO" , 1);
742 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
743 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
744
597 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 745 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 746 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
747
748 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
599 749
600 create_respipe (); 750 create_respipe ();
601 751
602 if (eio_init (want_poll, done_poll) < 0) 752 if (eio_init (want_poll, done_poll) < 0)
603 croak ("IO::AIO: unable to initialise eio library"); 753 croak ("IO::AIO: unable to initialise eio library");
… …
664 ALIAS: 814 ALIAS:
665 aio_fsync = EIO_FSYNC 815 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 816 aio_fdatasync = EIO_FDATASYNC
667 PPCODE: 817 PPCODE:
668{ 818{
669 int fd = extract_fd (fh, 0); 819 int fd = s_fileno_croak (fh, 0);
670 dREQ; 820 dREQ;
671 821
672 req->type = ix; 822 req->type = ix;
673 req->sv1 = newSVsv (fh); 823 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 824 req->int1 = fd;
675 825
676 REQ_SEND (req); 826 REQ_SEND (req);
677} 827}
678 828
679void 829void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 830aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $$$$;$ 831 PROTOTYPE: $$$$;$
682 PPCODE: 832 PPCODE:
683{ 833{
684 int fd = extract_fd (fh, 0); 834 int fd = s_fileno_croak (fh, 0);
685 dREQ; 835 dREQ;
686 836
687 req->type = EIO_SYNC_FILE_RANGE; 837 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 838 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 839 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 840 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 841 req->size = nbytes;
692 req->int2 = flags; 842 req->int2 = flags;
693 843
694 REQ_SEND (req); 844 REQ_SEND (req);
695} 845}
696 846
… …
698aio_close (SV *fh, SV *callback=&PL_sv_undef) 848aio_close (SV *fh, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $;$ 849 PROTOTYPE: $;$
700 PPCODE: 850 PPCODE:
701{ 851{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 852 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703 int fd = extract_fd (fh, 0); 853 int fd = s_fileno_croak (fh, 0);
704 dREQ; 854 dREQ;
705 855
706 if (close_pipe < 0) 856 if (close_pipe < 0)
707 { 857 {
708 int pipefd [2]; 858 int pipefd [2];
… …
730 aio_write = EIO_WRITE 880 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$ 881 PROTOTYPE: $$$$$;$
732 PPCODE: 882 PPCODE:
733{ 883{
734 STRLEN svlen; 884 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 885 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 886 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 887 UV len = SvUV (length);
738 888
739 if (dataoffset < 0) 889 if (dataoffset < 0)
740 dataoffset += svlen; 890 dataoffset += svlen;
… …
791 941
792 REQ_SEND; 942 REQ_SEND;
793} 943}
794 944
795void 945void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 946aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
797 PROTOTYPE: $$$$;$ 947 PROTOTYPE: $$$$;$
798 PPCODE: 948 PPCODE:
799{ 949{
800 int ifd = extract_fd (in_fh , 0); 950 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 951 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 952 dREQ;
803 953
804 req->type = EIO_SENDFILE; 954 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 955 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 956 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 957 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 958 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 959 req->offs = in_offset;
810 req->size = length; 960 req->size = length;
811 961
812 REQ_SEND; 962 REQ_SEND;
813} 963}
814 964
815void 965void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 966aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
817 PROTOTYPE: $$$;$ 967 PROTOTYPE: $$$;$
818 PPCODE: 968 PPCODE:
819{ 969{
820 int fd = extract_fd (fh, 0); 970 int fd = s_fileno_croak (fh, 0);
821 dREQ; 971 dREQ;
822 972
823 req->type = EIO_READAHEAD; 973 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 974 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 975 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 976 req->offs = offset;
827 req->size = length; 977 req->size = length;
828 978
829 REQ_SEND; 979 REQ_SEND;
830} 980}
831 981
832void 982void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 983aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
834 ALIAS: 984 ALIAS:
835 aio_stat = EIO_STAT 985 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 986 aio_lstat = EIO_LSTAT
987 aio_statvfs = EIO_STATVFS
837 PPCODE: 988 PPCODE:
838{ 989{
839 dREQ; 990 dREQ;
840 991
841 req->sv1 = newSVsv (fh_or_path); 992 req->sv1 = newSVsv (fh_or_path);
… …
845 req->type = ix; 996 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1); 997 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 } 998 }
848 else 999 else
849 { 1000 {
850 req->type = EIO_FSTAT; 1001 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1002 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 } 1003 }
853 1004
854 REQ_SEND; 1005 REQ_SEND;
855} 1006}
… …
1018 1169
1019 REQ_SEND; 1170 REQ_SEND;
1020} 1171}
1021 1172
1022void 1173void
1174aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1175 ALIAS:
1176 aio_mtouch = EIO_MTOUCH
1177 aio_msync = EIO_MSYNC
1178 PROTOTYPE: $$$$;$
1179 PPCODE:
1180{
1181 STRLEN svlen;
1182 UV len = SvUV (length);
1183 char *svptr = SvPVbyte (data, svlen);
1184
1185 if (offset < 0)
1186 offset += svlen;
1187
1188 if (offset < 0 || offset > svlen)
1189 croak ("offset outside of scalar");
1190
1191 if (!SvOK (length) || len + offset > svlen)
1192 len = svlen - offset;
1193
1194 {
1195 dREQ;
1196
1197 req->type = ix;
1198 req->size = len;
1199 req->sv2 = SvREFCNT_inc (data);
1200 req->ptr2 = (char *)svptr + offset;
1201 req->int1 = flags;
1202
1203 REQ_SEND;
1204 }
1205}
1206
1207void
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1208aio_busy (double delay, SV *callback=&PL_sv_undef)
1024 PPCODE: 1209 PPCODE:
1025{ 1210{
1026 dREQ; 1211 dREQ;
1027 1212
… …
1039 dREQ; 1224 dREQ;
1040 1225
1041 req->type = EIO_GROUP; 1226 req->type = EIO_GROUP;
1042 1227
1043 req_submit (req); 1228 req_submit (req);
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1229 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1230}
1046 1231
1047void 1232void
1048aio_nop (SV *callback=&PL_sv_undef) 1233aio_nop (SV *callback=&PL_sv_undef)
1049 ALIAS: 1234 ALIAS:
… …
1101 1286
1102int 1287int
1103poll_fileno() 1288poll_fileno()
1104 PROTOTYPE: 1289 PROTOTYPE:
1105 CODE: 1290 CODE:
1106 RETVAL = respipe [0]; 1291 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 1292 OUTPUT:
1108 RETVAL 1293 RETVAL
1109 1294
1110int 1295int
1111poll_cb(...) 1296poll_cb(...)
… …
1151 CODE: 1336 CODE:
1152 RETVAL = eio_nthreads (); 1337 RETVAL = eio_nthreads ();
1153 OUTPUT: 1338 OUTPUT:
1154 RETVAL 1339 RETVAL
1155 1340
1341int
1342fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1343 PROTOTYPE: $$$$
1344 CODE:
1345#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346 RETVAL = posix_fadvise (fh, offset, length, advice);
1347#else
1348 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349#endif
1350 OUTPUT:
1351 RETVAL
1352
1353ssize_t
1354sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355 PROTOTYPE: $$$$
1356 CODE:
1357 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358 OUTPUT:
1359 RETVAL
1360
1361void
1362mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363 PROTOTYPE: $$$$$;$
1364 PPCODE:
1365 sv_unmagic (scalar, MMAP_MAGIC);
1366{
1367 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369 if (addr == (void *)-1)
1370 XSRETURN_NO;
1371
1372 /* we store the length in mg_obj, as namlen is I32 :/ */
1373 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374 ->mg_obj = (SV *)length;
1375
1376 SvUPGRADE (scalar, SVt_PV); /* nop... */
1377 if (!(prot & PROT_WRITE))
1378 SvREADONLY_on (scalar);
1379
1380 SvPVX (scalar) = (char *)addr;
1381 SvCUR_set (scalar, length);
1382 SvLEN_set (scalar, 0);
1383 SvPOK_only (scalar);
1384
1385 XSRETURN_YES;
1386}
1387
1388void
1389munmap (SV *scalar)
1390 PROTOTYPE: $
1391 CODE:
1392 sv_unmagic (scalar, MMAP_MAGIC);
1393
1394int
1395mlockall (int flags)
1396 PROTOTYPE: $
1397 CODE:
1398#if _POSIX_MEMLOCK
1399#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1400 extern int mallopt (int, int);
1401 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402#endif
1403 mlockall (flags);
1404#else
1405 RETVAL = -1;
1406 errno = ENOSYS;
1407#endif
1408 OUTPUT:
1409 RETVAL
1410
1411int
1412munlockall ()
1413 PROTOTYPE:
1414 CODE:
1415#if _POSIX_MEMLOCK
1416 munlockall ();
1417#else
1418 RETVAL = -1;
1419 errno = ENOSYS;
1420#endif
1421 OUTPUT:
1422 RETVAL
1423
1156void _on_next_submit (SV *cb) 1424void _on_next_submit (SV *cb)
1157 CODE: 1425 CODE:
1158 SvREFCNT_dec (on_next_submit); 1426 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1427 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 1428
… …
1174 if (GIMME_V != G_VOID) 1442 if (GIMME_V != G_VOID)
1175 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1443 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176 1444
1177 if (items > 1) 1445 if (items > 1)
1178 { 1446 {
1179 SV *cb_cv = get_cb (callback); 1447 SV *cb_cv =get_cb (callback);
1180 1448
1181 SvREFCNT_dec (req->callback); 1449 SvREFCNT_dec (req->callback);
1182 req->callback = SvREFCNT_inc (cb_cv); 1450 req->callback = SvREFCNT_inc (cb_cv);
1183 } 1451 }
1184} 1452}

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