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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.152 by root, Tue Jul 14 00:32:27 2009 UTC vs.
Revision 1.186 by root, Thu Jul 14 22:36:17 2011 UTC

… …
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <limits.h> 16#include <limits.h>
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h>
22#endif
19 23
20/* perl namespace pollution */ 24/* perl namespace pollution */
21#undef VERSION 25#undef VERSION
22 26
23#ifdef _WIN32 27#ifdef _WIN32
… …
42# undef unlink 46# undef unlink
43# undef rmdir 47# undef rmdir
44# undef rename 48# undef rename
45# undef lseek 49# undef lseek
46 50
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0) 51# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1) 52# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1) 53# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60 54
61#else 55#else
62 56
63# include <sys/time.h> 57# include <sys/time.h>
64# include <sys/select.h> 58# include <sys/select.h>
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 93#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 94#define expect_true(expr) expect ((expr) != 0, 1)
101 95
102/*****************************************************************************/ 96/*****************************************************************************/
103 97
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 98typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 99typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 100typedef int aio_wfd; /* write file descriptor */
108 101
109#define AIO_REQ_KLASS "IO::AIO::REQ" 102static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 103
112#define EIO_REQ_MEMBERS \ 104#define EIO_REQ_MEMBERS \
113 SV *callback; \ 105 SV *callback; \
114 SV *sv1, *sv2; \ 106 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 107 STRLEN stroffset; \
116 SV *self; 108 SV *self;
117 109
118#define EIO_NO_WRAPPERS 1 110#define EIO_NO_WRAPPERS 1
119 111
112#include "libeio/config.h"
120#include "libeio/eio.h" 113#include "libeio/eio.h"
114
115/* Linux/others */
116#ifndef O_ASYNC
117# define O_ASYNC 0
118#endif
119#ifndef O_DIRECT
120# define O_DIRECT 0
121#endif
122#ifndef O_NOATIME
123# define O_NOATIME 0
124#endif
125
126/* POSIX */
127#ifndef O_CLOEXEC
128# define O_CLOEXEC 0
129#endif
130#ifndef O_NOFOLLOW
131# define O_NOFOLLOW 0
132#endif
133#ifndef O_NOCTTY
134# define O_NOCTTY 0
135#endif
136#ifndef O_NONBLOCK
137# define O_NONBLOCK 0
138#endif
139#ifndef O_EXEC
140# define O_EXEC 0
141#endif
142#ifndef O_SEARCH
143# define O_SEARCH 0
144#endif
145#ifndef O_DIRECTORY
146# define O_DIRECTORY 0
147#endif
148#ifndef O_DSYNC
149# define O_DSYNC 0
150#endif
151#ifndef O_RSYNC
152# define O_RSYNC 0
153#endif
154#ifndef O_SYNC
155# define O_SYNC 0
156#endif
157#ifndef O_TTY_INIT
158# define O_TTY_INIT 0
159#endif
121 160
122#ifndef POSIX_FADV_NORMAL 161#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 162# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif 163#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 164#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 165# define POSIX_FADV_SEQUENTIAL 0
129#endif 166#endif
130
131#ifndef POSIX_FADV_RANDOM 167#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 168# define POSIX_FADV_RANDOM 0
133#endif 169#endif
134
135#ifndef POSIX_FADV_NOREUSE 170#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 171# define POSIX_FADV_NOREUSE 0
137#endif 172#endif
138
139#ifndef POSIX_FADV_WILLNEED 173#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 174# define POSIX_FADV_WILLNEED 0
141#endif 175#endif
142
143#ifndef POSIX_FADV_DONTNEED 176#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 177# define POSIX_FADV_DONTNEED 0
178#endif
179
180#if !HAVE_POSIX_FADVISE
181# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
182#endif
183
184#ifndef POSIX_MADV_NORMAL
185# define POSIX_MADV_NORMAL 0
186#endif
187#ifndef POSIX_MADV_SEQUENTIAL
188# define POSIX_MADV_SEQUENTIAL 0
189#endif
190#ifndef POSIX_MADV_RANDOM
191# define POSIX_MADV_RANDOM 0
192#endif
193#ifndef POSIX_MADV_WILLNEED
194# define POSIX_MADV_WILLNEED 0
195#endif
196#ifndef POSIX_MADV_DONTNEED
197# define POSIX_MADV_DONTNEED 0
198#endif
199
200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef PROT_NONE
205# define PROT_NONE 0
206#endif
207#ifndef PROT_READ
208# define PROT_READ 0
209#endif
210#ifndef PROT_WRITE
211# define PROT_READ 0
212#endif
213#ifndef PROT_EXEC
214# define PROT_EXEC 0
215#endif
216
217#ifndef ST_NODEV
218# define ST_NODEV 0
219#endif
220#ifndef ST_NOEXEC
221# define ST_NOEXEC 0
222#endif
223#ifndef ST_SYNCHRONOUS
224# define ST_SYNCHRONOUS 0
225#endif
226#ifndef ST_MANDLOCK
227# define ST_MANDLOCK 0
228#endif
229#ifndef ST_WRITE
230# define ST_WRITE 0
231#endif
232#ifndef ST_APPEND
233# define ST_APPEND 0
234#endif
235#ifndef ST_IMMUTABLE
236# define ST_IMMUTABLE 0
237#endif
238#ifndef ST_NOATIME
239# define ST_NOATIME 0
240#endif
241#ifndef ST_NODIRATIME
242# define ST_NODIRATIME 0
243#endif
244#ifndef ST_RELATIME
245# define ST_RELATIME 0
246#endif
247
248#ifndef S_IFIFO
249# define S_IFIFO 0
250#endif
251#ifndef S_IFCHR
252# define S_IFCHR 0
253#endif
254#ifndef S_IFBLK
255# define S_IFBLK 0
256#endif
257#ifndef S_IFLNK
258# define S_IFLNK 0
259#endif
260#ifndef S_IFREG
261# define S_IFREG 0
262#endif
263#ifndef S_IFDIR
264# define S_IFDIR 0
265#endif
266#ifndef S_IFWHT
267# define S_IFWHT 0
268#endif
269#ifndef S_IFSOCK
270# define S_IFSOCK 0
271#endif
272
273#ifndef MAP_ANONYMOUS
274# ifdef MAP_ANON
275# define MAP_ANONYMOUS MAP_ANON
276# else
277# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
278# endif
279#endif
280#ifndef MAP_HUGETLB
281# define MAP_HUGETLB 0
282#endif
283#ifndef MAP_LOCKED
284# define MAP_LOCKED 0
285#endif
286#ifndef MAP_NORESERVE
287# define MAP_NORESERVE 0
288#endif
289#ifndef MAP_POPULATE
290# define MAP_POPULATE 0
291#endif
292#ifndef MAP_NONBLOCK
293# define MAP_NONBLOCK 0
294#endif
295
296#ifndef makedev
297# define makedev(maj,min) (((maj) << 8) | (min))
298#endif
299#ifndef major
300# define major(dev) ((dev) >> 8)
301#endif
302#ifndef minor
303# define minor(dev) ((dev) & 0xff)
304#endif
305
306#ifndef PAGESIZE
307# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 308#endif
146 309
147static int req_invoke (eio_req *req); 310static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 311#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 312static void req_destroy (eio_req *grp);
… …
160 323
161static SV *on_next_submit; 324static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 325static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 326static int max_outstanding;
164 327
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 328static s_epipe respipe;
166 329
167static void req_destroy (aio_req req); 330static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 331static void req_cancel (aio_req req);
169 332
170static void want_poll (void) 333static void want_poll (void)
171{ 334{
172 /* write a dummy byte to the pipe so fh becomes ready */ 335 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 336 s_epipe_signal (&respipe);
174} 337}
175 338
176static void done_poll (void) 339static void done_poll (void)
177{ 340{
178 /* read any signals sent by the worker threads */ 341 /* read any signals sent by the worker threads */
179 char buf [4]; 342 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 343}
183 344
184/* must be called at most once */ 345/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 346static SV *req_sv (aio_req req, HV *stash)
186{ 347{
187 if (!req->self) 348 if (!req->self)
188 { 349 {
189 req->self = (SV *)newHV (); 350 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 351 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 352 }
192 353
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 354 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 355}
195 356
196static aio_req SvAIO_REQ (SV *sv) 357static aio_req SvAIO_REQ (SV *sv)
197{ 358{
198 MAGIC *mg; 359 MAGIC *mg;
199 360
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 361 if (!SvROK (sv)
362 || (SvSTASH (SvRV (sv)) != aio_grp_stash
363 && SvSTASH (SvRV (sv)) != aio_req_stash
364 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 365 croak ("object of class IO::AIO::REQ expected");
202 366
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 367 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 368
205 return mg ? (aio_req)mg->mg_ptr : 0; 369 return mg ? (aio_req)mg->mg_ptr : 0;
206} 370}
… …
212 dSP; 376 dSP;
213 377
214 ENTER; 378 ENTER;
215 SAVETMPS; 379 SAVETMPS;
216 PUSHMARK (SP); 380 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 381 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 382 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 383 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 384 SPAGAIN;
221 FREETMPS; 385 FREETMPS;
222 LEAVE; 386 LEAVE;
… …
240 } 404 }
241} 405}
242 406
243static int req_invoke (eio_req *req) 407static int req_invoke (eio_req *req)
244{ 408{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 409 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 410 SvREADONLY_off (req->sv2);
249 411
250 if (!EIO_CANCELLED (req) && req->callback) 412 if (!EIO_CANCELLED (req) && req->callback)
251 { 413 {
414 dSP;
415 static SV *sv_result_cache; /* caches the result integer SV */
416 SV *sv_result;
417
252 ENTER; 418 ENTER;
253 SAVETMPS; 419 SAVETMPS;
254 PUSHMARK (SP); 420 PUSHMARK (SP);
255 EXTEND (SP, 1); 421 EXTEND (SP, 1);
422
423 /* do not recreate the result IV from scratch each time */
424 if (expect_true (sv_result_cache))
425 {
426 sv_result = sv_result_cache; sv_result_cache = 0;
427 SvIV_set (sv_result, req->result);
428 SvIOK_only (sv_result);
429 }
430 else
431 {
432 sv_result = newSViv (req->result);
433 SvREADONLY_on (sv_result);
434 }
256 435
257 switch (req->type) 436 switch (req->type)
258 { 437 {
259 case EIO_READDIR: 438 case EIO_READDIR:
260 { 439 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 507 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 508 char sym [64];
330 int symlen; 509 int symlen;
331 510
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 511 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 512 gv_init (gv, aio_stash, sym, symlen, 0);
334 513
335 symlen = snprintf ( 514 symlen = snprintf (
336 sym, 515 sym,
337 sizeof (sym), 516 sizeof (sym),
338 "%s&=%d", 517 "%s&=%d",
… …
346 525
347 PUSHs (fh); 526 PUSHs (fh);
348 } 527 }
349 break; 528 break;
350 529
530 case EIO_STATVFS:
531 case EIO_FSTATVFS:
532 {
533 SV *rv = &PL_sv_undef;
534
535 if (req->result >= 0)
536 {
537 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
538 HV *hv = newHV ();
539
540 rv = sv_2mortal (newRV_noinc ((SV *)hv));
541
542 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
543 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
544 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
545 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
546 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
547 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
548 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
549 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
550 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
551 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
552 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
553 }
554
555 PUSHs (rv);
556 }
557
558 break;
559
351 case EIO_GROUP: 560 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 561 req->int1 = 2; /* mark group as finished */
353 562
354 if (req->sv1) 563 if (req->sv1)
355 { 564 {
… …
365 case EIO_NOP: 574 case EIO_NOP:
366 case EIO_BUSY: 575 case EIO_BUSY:
367 break; 576 break;
368 577
369 case EIO_READLINK: 578 case EIO_READLINK:
579 case EIO_REALPATH:
370 if (req->result > 0) 580 if (req->result > 0)
371 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 581 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
372 break; 582 break;
373 583
374 case EIO_STAT: 584 case EIO_STAT:
375 case EIO_LSTAT: 585 case EIO_LSTAT:
376 case EIO_FSTAT: 586 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 587 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 588 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 589 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 590 PUSHs (sv_result);
381 break; 591 break;
382 592
383 case EIO_READ: 593 case EIO_READ:
384 { 594 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 595 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 596 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 597 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 598 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 599 PUSHs (sv_result);
390 } 600 }
391 break; 601 break;
392 602
393 case EIO_DUP2: 603 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 604 if (req->result > 0)
395 req->result = 0; 605 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 606 /* FALLTHROUGH */
397 607
398 default: 608 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
400 break; 610 break;
401 } 611 }
402 612
403 errno = req->errorno; 613 errno = req->errorno;
404 614
405 PUTBACK; 615 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 616 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 617 SPAGAIN;
618
619 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
620 SvREFCNT_dec (sv_result);
621 else
622 sv_result_cache = sv_result;
408 623
409 FREETMPS; 624 FREETMPS;
410 LEAVE; 625 LEAVE;
411 626
412 PUTBACK; 627 PUTBACK;
… …
441 grp->sv2 = 0; 656 grp->sv2 = 0;
442 657
443 eio_grp_cancel (grp); 658 eio_grp_cancel (grp);
444} 659}
445 660
446#ifdef USE_SOCKETS_AS_HANDLES
447# define TO_SOCKET(x) (win32_get_osfhandle (x))
448#else
449# define TO_SOCKET(x) (x)
450#endif
451
452static void
453create_respipe (void) 661static void create_respipe (void)
454{ 662{
455 int old_readfd = respipe [0];
456
457 if (respipe [1] >= 0)
458 respipe_close (TO_SOCKET (respipe [1]));
459
460#ifdef _WIN32
461 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462#else
463 if (pipe (respipe)) 663 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 664 croak ("IO::AIO: unable to initialize result pipe");
466
467 if (old_readfd >= 0)
468 {
469 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470 croak ("unable to initialize result pipe(2)");
471
472 respipe_close (respipe [0]);
473 respipe [0] = old_readfd;
474 }
475
476#ifdef _WIN32
477 int arg = 1;
478 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480#else
481 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483#endif
484 croak ("unable to initialize result pipe(3)");
485
486 respipe_osf [0] = TO_SOCKET (respipe [0]);
487 respipe_osf [1] = TO_SOCKET (respipe [1]);
488} 665}
489 666
490static void poll_wait (void) 667static void poll_wait (void)
491{ 668{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 669 while (eio_nreqs ())
495 { 670 {
496 int size; 671 int size;
497 672
498 X_LOCK (reslock); 673 X_LOCK (reslock);
… …
502 if (size) 677 if (size)
503 return; 678 return;
504 679
505 etp_maybe_start_thread (); 680 etp_maybe_start_thread ();
506 681
507 FD_ZERO (&rfd); 682 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 683 }
512} 684}
513 685
514static int poll_cb (void) 686static int poll_cb (void)
515{ 687{
… …
530static void atfork_child (void) 702static void atfork_child (void)
531{ 703{
532 create_respipe (); 704 create_respipe ();
533} 705}
534 706
535static SV * 707/*****************************************************************************/
708
709#if !_POSIX_MAPPED_FILES
710# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
711# define munmap(addr,length) (errno = ENOSYS, -1)
712#endif
713
714#if !_POSIX_MEMORY_PROTECTION
715# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
716# define PROT_NONE 0
717# define PROT_WRITE 0
718# define MAP_PRIVATE 0
719# define MAP_SHARED 0
720# define MAP_FIXED 0
721#endif
722
723#define MMAP_MAGIC PERL_MAGIC_ext
724
725static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
726{
727 int old_errno = errno;
728 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
729 errno = old_errno;
730
731 mg->mg_obj = 0; /* just in case */
732
733 SvREADONLY_off (sv);
734
735 if (SvPVX (sv) != mg->mg_ptr)
736 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
737
738 SvCUR_set (sv, 0);
739 SvPVX (sv) = 0;
740 SvOK_off (sv);
741
742 return 0;
743}
744
745static MGVTBL mmap_vtbl = {
746 0, 0, 0, 0, mmap_free
747};
748
749/*****************************************************************************/
750
536get_cb (SV *cb_sv) 751static SV * get_cb (SV *cb_sv)
537{ 752{
538 SvGETMAGIC (cb_sv); 753 SvGETMAGIC (cb_sv);
539 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 754 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
540} 755}
541 756
… …
558 PUTBACK; \ 773 PUTBACK; \
559 req_submit (req); \ 774 req_submit (req); \
560 SPAGAIN; \ 775 SPAGAIN; \
561 \ 776 \
562 if (GIMME_V != G_VOID) \ 777 if (GIMME_V != G_VOID) \
563 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 778 XPUSHs (req_sv (req, aio_req_stash));
564 779
565MODULE = IO::AIO PACKAGE = IO::AIO 780MODULE = IO::AIO PACKAGE = IO::AIO
566 781
567PROTOTYPES: ENABLE 782PROTOTYPES: ENABLE
568 783
… …
570{ 785{
571 static const struct { 786 static const struct {
572 const char *name; 787 const char *name;
573 IV iv; 788 IV iv;
574 } *civ, const_iv[] = { 789 } *civ, const_iv[] = {
575# define const_iv(name, value) { # name, (IV) value }, 790# define const_niv(name, value) { # name, (IV) value },
791# define const_iv(name) { # name, (IV) name },
576# define const_eio(name) { # name, (IV) EIO_ ## name }, 792# define const_eio(name) { # name, (IV) EIO_ ## name },
577 const_iv (EXDEV , EXDEV) 793 const_iv (EXDEV)
578 const_iv (ENOSYS , ENOSYS) 794 const_iv (ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY) 795 const_iv (O_RDONLY)
580 const_iv (O_WRONLY, O_WRONLY) 796 const_iv (O_WRONLY)
797 const_iv (O_RDWR)
581 const_iv (O_CREAT , O_CREAT) 798 const_iv (O_CREAT)
582 const_iv (O_TRUNC , O_TRUNC) 799 const_iv (O_TRUNC)
583#ifndef _WIN32 800 const_iv (O_EXCL)
801 const_iv (O_APPEND)
802
803 const_iv (O_ASYNC)
804 const_iv (O_DIRECT)
805 const_iv (O_NOATIME)
806
807 const_iv (O_CLOEXEC)
808 const_iv (O_NOCTTY)
809 const_iv (O_NOFOLLOW)
810 const_iv (O_NONBLOCK)
811 const_iv (O_EXEC)
812 const_iv (O_SEARCH)
813 const_iv (O_DIRECTORY)
814 const_iv (O_DSYNC)
815 const_iv (O_RSYNC)
816 const_iv (O_SYNC)
817 const_iv (O_TTY_INIT)
818
584 const_iv (S_IFIFO , S_IFIFO) 819 const_iv (S_IFIFO)
585#endif 820 const_iv (S_IFCHR)
821 const_iv (S_IFBLK)
822 const_iv (S_IFLNK)
823 const_iv (S_IFREG)
824 const_iv (S_IFDIR)
825 const_iv (S_IFWHT)
826 const_iv (S_IFSOCK)
827 const_iv (S_IFMT)
828
586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 829 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 830 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 831 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 832 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 833 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 834 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
835
836 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
837 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
838 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
839 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
840 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
841
842 const_iv (ST_RDONLY)
843 const_iv (ST_NOSUID)
844 const_iv (ST_NODEV)
845 const_iv (ST_NOEXEC)
846 const_iv (ST_SYNCHRONOUS)
847 const_iv (ST_MANDLOCK)
848 const_iv (ST_WRITE)
849 const_iv (ST_APPEND)
850 const_iv (ST_IMMUTABLE)
851 const_iv (ST_NOATIME)
852 const_iv (ST_NODIRATIME)
853 const_iv (ST_RELATIME)
854
855 const_iv (PROT_NONE)
856 const_iv (PROT_EXEC)
857 const_iv (PROT_READ)
858 const_iv (PROT_WRITE)
859
860 /*const_iv (MAP_FIXED)*/
861 const_iv (MAP_PRIVATE)
862 const_iv (MAP_SHARED)
863 const_iv (MAP_ANONYMOUS)
864
865 /* linuxish */
866 const_iv (MAP_HUGETLB)
867 const_iv (MAP_LOCKED)
868 const_iv (MAP_NORESERVE)
869 const_iv (MAP_POPULATE)
870 const_iv (MAP_NONBLOCK)
871
872 const_eio (MCL_FUTURE)
873 const_eio (MCL_CURRENT)
874
875 const_eio (MS_ASYNC)
876 const_eio (MS_INVALIDATE)
877 const_eio (MS_SYNC)
878
879 const_eio (MT_MODIFY)
592 880
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 881 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE) 882 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 883 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884
885 const_eio (FALLOC_FL_KEEP_SIZE)
596 886
597 const_eio (READDIR_DENTS) 887 const_eio (READDIR_DENTS)
598 const_eio (READDIR_DIRS_FIRST) 888 const_eio (READDIR_DIRS_FIRST)
599 const_eio (READDIR_STAT_ORDER) 889 const_eio (READDIR_STAT_ORDER)
600 const_eio (READDIR_FOUND_UNKNOWN) 890 const_eio (READDIR_FOUND_UNKNOWN)
… …
608 const_eio (DT_LNK) 898 const_eio (DT_LNK)
609 const_eio (DT_SOCK) 899 const_eio (DT_SOCK)
610 const_eio (DT_WHT) 900 const_eio (DT_WHT)
611 }; 901 };
612 902
613 stash = gv_stashpv ("IO::AIO", 1); 903 aio_stash = gv_stashpv ("IO::AIO" , 1);
904 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
905 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
614 906
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 907 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 908 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
909
910 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
617 911
618 create_respipe (); 912 create_respipe ();
619 913
620 if (eio_init (want_poll, done_poll) < 0) 914 if (eio_init (want_poll, done_poll) < 0)
621 croak ("IO::AIO: unable to initialise eio library"); 915 croak ("IO::AIO: unable to initialise eio library");
… …
623 /* atfork child called in fifo order, so before eio's handler */ 917 /* atfork child called in fifo order, so before eio's handler */
624 X_THREAD_ATFORK (0, 0, atfork_child); 918 X_THREAD_ATFORK (0, 0, atfork_child);
625} 919}
626 920
627void 921void
628max_poll_reqs (int nreqs) 922max_poll_reqs (unsigned int nreqs)
629 PROTOTYPE: $ 923 PROTOTYPE: $
630 CODE: 924 CODE:
631 eio_set_max_poll_reqs (nreqs); 925 eio_set_max_poll_reqs (nreqs);
632 926
633void 927void
… …
635 PROTOTYPE: $ 929 PROTOTYPE: $
636 CODE: 930 CODE:
637 eio_set_max_poll_time (nseconds); 931 eio_set_max_poll_time (nseconds);
638 932
639void 933void
640min_parallel (int nthreads) 934min_parallel (unsigned int nthreads)
641 PROTOTYPE: $ 935 PROTOTYPE: $
642 CODE: 936 CODE:
643 eio_set_min_parallel (nthreads); 937 eio_set_min_parallel (nthreads);
644 938
645void 939void
646max_parallel (int nthreads) 940max_parallel (unsigned int nthreads)
647 PROTOTYPE: $ 941 PROTOTYPE: $
648 CODE: 942 CODE:
649 eio_set_max_parallel (nthreads); 943 eio_set_max_parallel (nthreads);
650 944
651void 945void
652max_idle (int nthreads) 946max_idle (unsigned int nthreads)
653 PROTOTYPE: $ 947 PROTOTYPE: $
654 CODE: 948 CODE:
655 eio_set_max_idle (nthreads); 949 eio_set_max_idle (nthreads);
656 950
657void 951void
952idle_timeout (unsigned int seconds)
953 PROTOTYPE: $
954 CODE:
955 eio_set_idle_timeout (seconds);
956
957void
658max_outstanding (int maxreqs) 958max_outstanding (unsigned int maxreqs)
659 PROTOTYPE: $ 959 PROTOTYPE: $
660 CODE: 960 CODE:
661 max_outstanding = maxreqs; 961 max_outstanding = maxreqs;
662 962
663void 963void
664aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 964aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
665 PROTOTYPE: $$$;$
666 PPCODE: 965 PPCODE:
667{ 966{
668 dREQ; 967 dREQ;
669 968
670 req->type = EIO_OPEN; 969 req->type = EIO_OPEN;
… …
676 REQ_SEND; 975 REQ_SEND;
677} 976}
678 977
679void 978void
680aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 979aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $;$
682 ALIAS: 980 ALIAS:
683 aio_fsync = EIO_FSYNC 981 aio_fsync = EIO_FSYNC
684 aio_fdatasync = EIO_FDATASYNC 982 aio_fdatasync = EIO_FDATASYNC
685 PPCODE: 983 PPCODE:
686{ 984{
… …
694 REQ_SEND (req); 992 REQ_SEND (req);
695} 993}
696 994
697void 995void
698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 996aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $$$$;$
700 PPCODE: 997 PPCODE:
701{ 998{
702 int fd = s_fileno_croak (fh, 0); 999 int fd = s_fileno_croak (fh, 0);
703 dREQ; 1000 dREQ;
704 1001
… …
711 1008
712 REQ_SEND (req); 1009 REQ_SEND (req);
713} 1010}
714 1011
715void 1012void
1013aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1014 PPCODE:
1015{
1016 int fd = s_fileno_croak (fh, 0);
1017 dREQ;
1018
1019 req->type = EIO_FALLOCATE;
1020 req->sv1 = newSVsv (fh);
1021 req->int1 = fd;
1022 req->int2 = mode;
1023 req->offs = offset;
1024 req->size = len;
1025
1026 REQ_SEND (req);
1027}
1028
1029void
716aio_close (SV *fh, SV *callback=&PL_sv_undef) 1030aio_close (SV *fh, SV *callback=&PL_sv_undef)
717 PROTOTYPE: $;$
718 PPCODE: 1031 PPCODE:
719{ 1032{
720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1033 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
721 int fd = s_fileno_croak (fh, 0); 1034 int fd = s_fileno_croak (fh, 0);
722 dREQ; 1035 dREQ;
… …
744void 1057void
745aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1058aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
746 ALIAS: 1059 ALIAS:
747 aio_read = EIO_READ 1060 aio_read = EIO_READ
748 aio_write = EIO_WRITE 1061 aio_write = EIO_WRITE
749 PROTOTYPE: $$$$$;$
750 PPCODE: 1062 PPCODE:
751{ 1063{
752 STRLEN svlen; 1064 STRLEN svlen;
753 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1065 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
754 char *svptr = SvPVbyte (data, svlen); 1066 char *svptr = SvPVbyte (data, svlen);
… …
795 } 1107 }
796} 1108}
797 1109
798void 1110void
799aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1111aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
800 PROTOTYPE: $$;$ 1112 ALIAS:
1113 aio_readlink = EIO_READLINK
1114 aio_realpath = EIO_REALPATH
801 PPCODE: 1115 PPCODE:
802{ 1116{
803 SV *data; 1117 SV *data;
804 dREQ; 1118 dREQ;
805 1119
806 req->type = EIO_READLINK; 1120 req->type = ix;
807 req->sv1 = newSVsv (path); 1121 req->sv1 = newSVsv (path);
808 req->ptr1 = SvPVbyte_nolen (req->sv1); 1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
809 1123
810 REQ_SEND; 1124 REQ_SEND;
811} 1125}
812 1126
813void 1127void
814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1128aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
815 PROTOTYPE: $$$$;$
816 PPCODE: 1129 PPCODE:
817{ 1130{
818 int ifd = s_fileno_croak (in_fh , 0); 1131 int ifd = s_fileno_croak (in_fh , 0);
819 int ofd = s_fileno_croak (out_fh, 1); 1132 int ofd = s_fileno_croak (out_fh, 1);
820 dREQ; 1133 dREQ;
… …
830 REQ_SEND; 1143 REQ_SEND;
831} 1144}
832 1145
833void 1146void
834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1147aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $$$;$
836 PPCODE: 1148 PPCODE:
837{ 1149{
838 int fd = s_fileno_croak (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1151 dREQ;
840 1152
… …
848} 1160}
849 1161
850void 1162void
851aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1163aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
852 ALIAS: 1164 ALIAS:
853 aio_stat = EIO_STAT 1165 aio_stat = EIO_STAT
854 aio_lstat = EIO_LSTAT 1166 aio_lstat = EIO_LSTAT
1167 aio_statvfs = EIO_STATVFS
855 PPCODE: 1168 PPCODE:
856{ 1169{
857 dREQ; 1170 dREQ;
858 1171
859 req->sv1 = newSVsv (fh_or_path); 1172 req->sv1 = newSVsv (fh_or_path);
… …
863 req->type = ix; 1176 req->type = ix;
864 req->ptr1 = SvPVbyte_nolen (req->sv1); 1177 req->ptr1 = SvPVbyte_nolen (req->sv1);
865 } 1178 }
866 else 1179 else
867 { 1180 {
868 req->type = EIO_FSTAT; 1181 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
869 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1182 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
870 } 1183 }
871 1184
872 REQ_SEND; 1185 REQ_SEND;
873} 1186}
1187
1188UV
1189major (UV dev)
1190 ALIAS:
1191 minor = 1
1192 CODE:
1193 RETVAL = ix ? major (dev) : minor (dev);
1194 OUTPUT:
1195 RETVAL
1196
1197UV
1198makedev (UV maj, UV min)
1199 CODE:
1200 RETVAL = makedev (maj, min);
1201 OUTPUT:
1202 RETVAL
874 1203
875void 1204void
876aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1205aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
877 PPCODE: 1206 PPCODE:
878{ 1207{
… …
1036 1365
1037 REQ_SEND; 1366 REQ_SEND;
1038} 1367}
1039 1368
1040void 1369void
1370aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1371 ALIAS:
1372 aio_mtouch = EIO_MTOUCH
1373 aio_msync = EIO_MSYNC
1374 PPCODE:
1375{
1376 STRLEN svlen;
1377 char *svptr = SvPVbyte (data, svlen);
1378 UV len = SvUV (length);
1379
1380 if (offset < 0)
1381 offset += svlen;
1382
1383 if (offset < 0 || offset > svlen)
1384 croak ("offset outside of scalar");
1385
1386 if (!SvOK (length) || len + offset > svlen)
1387 len = svlen - offset;
1388
1389 {
1390 dREQ;
1391
1392 req->type = ix;
1393 req->sv2 = SvREFCNT_inc (data);
1394 req->ptr2 = (char *)svptr + offset;
1395 req->size = len;
1396 req->int1 = flags;
1397
1398 REQ_SEND;
1399 }
1400}
1401
1402void
1403aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1404 PPCODE:
1405{
1406 STRLEN svlen;
1407 char *svptr = SvPVbyte (data, svlen);
1408 UV len = SvUV (length);
1409
1410 if (offset < 0)
1411 offset += svlen;
1412
1413 if (offset < 0 || offset > svlen)
1414 croak ("offset outside of scalar");
1415
1416 if (!SvOK (length) || len + offset > svlen)
1417 len = svlen - offset;
1418
1419 {
1420 dREQ;
1421
1422 req->type = EIO_MLOCK;
1423 req->sv2 = SvREFCNT_inc (data);
1424 req->ptr2 = (char *)svptr + offset;
1425 req->size = len;
1426
1427 REQ_SEND;
1428 }
1429}
1430
1431void
1432aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1433 PPCODE:
1434{
1435 dREQ;
1436
1437 req->type = EIO_MLOCKALL;
1438 req->int1 = flags;
1439
1440 REQ_SEND;
1441}
1442
1443void
1041aio_busy (double delay, SV *callback=&PL_sv_undef) 1444aio_busy (double delay, SV *callback=&PL_sv_undef)
1042 PPCODE: 1445 PPCODE:
1043{ 1446{
1044 dREQ; 1447 dREQ;
1045 1448
… …
1049 REQ_SEND; 1452 REQ_SEND;
1050} 1453}
1051 1454
1052void 1455void
1053aio_group (SV *callback=&PL_sv_undef) 1456aio_group (SV *callback=&PL_sv_undef)
1054 PROTOTYPE: ;$
1055 PPCODE: 1457 PPCODE:
1056{ 1458{
1057 dREQ; 1459 dREQ;
1058 1460
1059 req->type = EIO_GROUP; 1461 req->type = EIO_GROUP;
1060 1462
1061 req_submit (req); 1463 req_submit (req);
1062 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1464 XPUSHs (req_sv (req, aio_grp_stash));
1063} 1465}
1064 1466
1065void 1467void
1066aio_nop (SV *callback=&PL_sv_undef) 1468aio_nop (SV *callback=&PL_sv_undef)
1067 ALIAS: 1469 ALIAS:
… …
1076 REQ_SEND; 1478 REQ_SEND;
1077} 1479}
1078 1480
1079int 1481int
1080aioreq_pri (int pri = 0) 1482aioreq_pri (int pri = 0)
1081 PROTOTYPE: ;$
1082 CODE: 1483 CODE:
1083 RETVAL = next_pri; 1484 RETVAL = next_pri;
1084 if (items > 0) 1485 if (items > 0)
1085 { 1486 {
1086 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1487 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1098 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1499 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1099 next_pri = nice; 1500 next_pri = nice;
1100 1501
1101void 1502void
1102flush () 1503flush ()
1103 PROTOTYPE:
1104 CODE: 1504 CODE:
1105 while (eio_nreqs ()) 1505 while (eio_nreqs ())
1106 { 1506 {
1107 poll_wait (); 1507 poll_wait ();
1108 poll_cb (); 1508 poll_cb ();
1109 } 1509 }
1110 1510
1111int 1511int
1112poll() 1512poll ()
1113 PROTOTYPE:
1114 CODE: 1513 CODE:
1115 poll_wait (); 1514 poll_wait ();
1116 RETVAL = poll_cb (); 1515 RETVAL = poll_cb ();
1117 OUTPUT: 1516 OUTPUT:
1118 RETVAL 1517 RETVAL
1119 1518
1120int 1519int
1121poll_fileno() 1520poll_fileno ()
1122 PROTOTYPE:
1123 CODE: 1521 CODE:
1124 RETVAL = respipe [0]; 1522 RETVAL = s_epipe_fd (&respipe);
1125 OUTPUT: 1523 OUTPUT:
1126 RETVAL 1524 RETVAL
1127 1525
1128int 1526int
1129poll_cb(...) 1527poll_cb (...)
1130 PROTOTYPE: 1528 PROTOTYPE:
1131 CODE: 1529 CODE:
1132 RETVAL = poll_cb (); 1530 RETVAL = poll_cb ();
1133 OUTPUT: 1531 OUTPUT:
1134 RETVAL 1532 RETVAL
1135 1533
1136void 1534void
1137poll_wait() 1535poll_wait ()
1138 PROTOTYPE:
1139 CODE: 1536 CODE:
1140 poll_wait (); 1537 poll_wait ();
1141 1538
1142int 1539int
1143nreqs() 1540nreqs ()
1144 PROTOTYPE:
1145 CODE: 1541 CODE:
1146 RETVAL = eio_nreqs (); 1542 RETVAL = eio_nreqs ();
1147 OUTPUT: 1543 OUTPUT:
1148 RETVAL 1544 RETVAL
1149 1545
1150int 1546int
1151nready() 1547nready ()
1152 PROTOTYPE:
1153 CODE: 1548 CODE:
1154 RETVAL = eio_nready (); 1549 RETVAL = eio_nready ();
1155 OUTPUT: 1550 OUTPUT:
1156 RETVAL 1551 RETVAL
1157 1552
1158int 1553int
1159npending() 1554npending ()
1160 PROTOTYPE:
1161 CODE: 1555 CODE:
1162 RETVAL = eio_npending (); 1556 RETVAL = eio_npending ();
1163 OUTPUT: 1557 OUTPUT:
1164 RETVAL 1558 RETVAL
1165 1559
1166int 1560int
1167nthreads() 1561nthreads ()
1168 PROTOTYPE:
1169 CODE: 1562 CODE:
1170 RETVAL = eio_nthreads (); 1563 RETVAL = eio_nthreads ();
1171 OUTPUT: 1564 OUTPUT:
1172 RETVAL 1565 RETVAL
1173 1566
1174int 1567int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1568fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE: 1569 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice); 1570 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT: 1571 OUTPUT:
1184 RETVAL 1572 RETVAL
1185 1573
1186ssize_t 1574ssize_t
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1575sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE: 1576 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count); 1577 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1578 OUTPUT:
1579 RETVAL
1580
1581void
1582mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1583 PPCODE:
1584 sv_unmagic (scalar, MMAP_MAGIC);
1585{
1586 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1587 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1588 if (addr == (void *)-1)
1589 XSRETURN_NO;
1590
1591 sv_force_normal (scalar);
1592
1593 /* we store the length in mg_obj, as namlen is I32 :/ */
1594 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1595 ->mg_obj = (SV *)length;
1596
1597 SvUPGRADE (scalar, SVt_PV); /* nop... */
1598
1599 if (!(prot & PROT_WRITE))
1600 SvREADONLY_on (scalar);
1601
1602 if (SvLEN (scalar))
1603 Safefree (SvPVX (scalar));
1604
1605 SvPVX (scalar) = (char *)addr;
1606 SvCUR_set (scalar, length);
1607 SvLEN_set (scalar, 0);
1608 SvPOK_only (scalar);
1609
1610 XSRETURN_YES;
1611}
1612
1613void
1614munmap (SV *scalar)
1615 CODE:
1616 sv_unmagic (scalar, MMAP_MAGIC);
1617
1618int
1619madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1620 ALIAS:
1621 mprotect = 1
1622 CODE:
1623{
1624 STRLEN svlen;
1625 void *addr = SvPVbyte (scalar, svlen);
1626 size_t len = SvUV (length);
1627
1628 if (offset < 0)
1629 offset += svlen;
1630
1631 if (offset < 0 || offset > svlen)
1632 croak ("offset outside of scalar");
1633
1634 if (!SvOK (length) || len + offset > svlen)
1635 len = svlen - offset;
1636
1637 addr = (void *)(((intptr_t)addr) + offset);
1638 eio_page_align (&addr, &len);
1639
1640 switch (ix)
1641 {
1642 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1643 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1644 }
1645}
1646 OUTPUT:
1647 RETVAL
1648
1649int
1650munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1651 CODE:
1652{
1653 STRLEN svlen;
1654 void *addr = SvPVbyte (scalar, svlen);
1655 size_t len = SvUV (length);
1656
1657 if (offset < 0)
1658 offset += svlen;
1659
1660 if (offset < 0 || offset > svlen)
1661 croak ("offset outside of scalar");
1662
1663 if (!SvOK (length) || len + offset > svlen)
1664 len = svlen - offset;
1665
1666 addr = (void *)(((intptr_t)addr) + offset);
1667 eio_page_align (&addr, &len);
1668#if _POSIX_MEMLOCK_RANGE
1669 RETVAL = munlock (addr, len);
1670#else
1671 RETVAL = ((errno = ENOSYS), -1);
1672#endif
1673}
1674 OUTPUT:
1675 RETVAL
1676
1677int
1678munlockall ()
1679 CODE:
1680#if _POSIX_MEMLOCK
1681 munlockall ();
1682#else
1683 RETVAL = -1;
1684 errno = ENOSYS;
1685#endif
1686 OUTPUT:
1687 RETVAL
1191 1688
1192void _on_next_submit (SV *cb) 1689void _on_next_submit (SV *cb)
1193 CODE: 1690 CODE:
1194 SvREFCNT_dec (on_next_submit); 1691 SvREFCNT_dec (on_next_submit);
1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1692 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;

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