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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.148 by root, Wed Jun 17 01:14:48 2009 UTC vs.
Revision 1.186 by root, Thu Jul 14 22:36:17 2011 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>
14#include <limits.h> 16#include <limits.h>
15#include <fcntl.h> 17#include <fcntl.h>
16#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
17 23
18/* perl namespace pollution */ 24/* perl namespace pollution */
19#undef VERSION 25#undef VERSION
20 26
21#ifdef _WIN32 27#ifdef _WIN32
… …
40# undef unlink 46# undef unlink
41# undef rmdir 47# undef rmdir
42# undef rename 48# undef rename
43# undef lseek 49# undef lseek
44 50
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0) 51# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1) 52# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1) 53# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58 54
59#else 55#else
60 56
61# include <sys/time.h> 57# include <sys/time.h>
62# include <sys/select.h> 58# include <sys/select.h>
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 93#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 94#define expect_true(expr) expect ((expr) != 0, 1)
99 95
100/*****************************************************************************/ 96/*****************************************************************************/
101 97
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 98typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 99typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 100typedef int aio_wfd; /* write file descriptor */
106 101
107#define AIO_REQ_KLASS "IO::AIO::REQ" 102static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 103
110#define EIO_REQ_MEMBERS \ 104#define EIO_REQ_MEMBERS \
111 SV *callback; \ 105 SV *callback; \
112 SV *sv1, *sv2; \ 106 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 107 STRLEN stroffset; \
114 SV *self; 108 SV *self;
115 109
116#define EIO_NO_WRAPPERS 1 110#define EIO_NO_WRAPPERS 1
117 111
112#include "libeio/config.h"
118#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
119 160
120#ifndef POSIX_FADV_NORMAL 161#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 162# define POSIX_FADV_NORMAL 0
122#endif 163#endif
123
124#ifndef POSIX_FADV_SEQUENTIAL 164#ifndef POSIX_FADV_SEQUENTIAL
125# define POSIX_FADV_SEQUENTIAL 0 165# define POSIX_FADV_SEQUENTIAL 0
126#endif 166#endif
127
128#ifndef POSIX_FADV_RANDOM 167#ifndef POSIX_FADV_RANDOM
129# define POSIX_FADV_RANDOM 0 168# define POSIX_FADV_RANDOM 0
130#endif 169#endif
131
132#ifndef POSIX_FADV_NOREUSE 170#ifndef POSIX_FADV_NOREUSE
133# define POSIX_FADV_NOREUSE 0 171# define POSIX_FADV_NOREUSE 0
134#endif 172#endif
135
136#ifndef POSIX_FADV_WILLNEED 173#ifndef POSIX_FADV_WILLNEED
137# define POSIX_FADV_WILLNEED 0 174# define POSIX_FADV_WILLNEED 0
138#endif 175#endif
139
140#ifndef POSIX_FADV_DONTNEED 176#ifndef POSIX_FADV_DONTNEED
141# 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)
142#endif 308#endif
143 309
144static int req_invoke (eio_req *req); 310static int req_invoke (eio_req *req);
145#define EIO_FINISH(req) req_invoke (req) 311#define EIO_FINISH(req) req_invoke (req)
146static void req_destroy (eio_req *grp); 312static void req_destroy (eio_req *grp);
… …
157 323
158static SV *on_next_submit; 324static SV *on_next_submit;
159static int next_pri = EIO_PRI_DEFAULT; 325static int next_pri = EIO_PRI_DEFAULT;
160static int max_outstanding; 326static int max_outstanding;
161 327
162static int respipe_osf [2], respipe [2] = { -1, -1 }; 328static s_epipe respipe;
163 329
164static void req_destroy (aio_req req); 330static void req_destroy (aio_req req);
165static void req_cancel (aio_req req); 331static void req_cancel (aio_req req);
166 332
167static void want_poll (void) 333static void want_poll (void)
168{ 334{
169 /* write a dummy byte to the pipe so fh becomes ready */ 335 /* write a dummy byte to the pipe so fh becomes ready */
170 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 336 s_epipe_signal (&respipe);
171} 337}
172 338
173static void done_poll (void) 339static void done_poll (void)
174{ 340{
175 /* read any signals sent by the worker threads */ 341 /* read any signals sent by the worker threads */
176 char buf [4]; 342 s_epipe_drain (&respipe);
177 while (respipe_read (respipe [0], buf, 4) == 4)
178 ;
179} 343}
180 344
181/* must be called at most once */ 345/* must be called at most once */
182static SV *req_sv (aio_req req, const char *klass) 346static SV *req_sv (aio_req req, HV *stash)
183{ 347{
184 if (!req->self) 348 if (!req->self)
185 { 349 {
186 req->self = (SV *)newHV (); 350 req->self = (SV *)newHV ();
187 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 351 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
188 } 352 }
189 353
190 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 354 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
191} 355}
192 356
193static aio_req SvAIO_REQ (SV *sv) 357static aio_req SvAIO_REQ (SV *sv)
194{ 358{
195 MAGIC *mg; 359 MAGIC *mg;
196 360
197 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")))
198 croak ("object of class " AIO_REQ_KLASS " expected"); 365 croak ("object of class IO::AIO::REQ expected");
199 366
200 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 367 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
201 368
202 return mg ? (aio_req)mg->mg_ptr : 0; 369 return mg ? (aio_req)mg->mg_ptr : 0;
203} 370}
… …
209 dSP; 376 dSP;
210 377
211 ENTER; 378 ENTER;
212 SAVETMPS; 379 SAVETMPS;
213 PUSHMARK (SP); 380 PUSHMARK (SP);
214 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 381 XPUSHs (req_sv (grp, aio_grp_stash));
215 PUTBACK; 382 PUTBACK;
216 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 383 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
217 SPAGAIN; 384 SPAGAIN;
218 FREETMPS; 385 FREETMPS;
219 LEAVE; 386 LEAVE;
… …
237 } 404 }
238} 405}
239 406
240static int req_invoke (eio_req *req) 407static int req_invoke (eio_req *req)
241{ 408{
242 dSP;
243
244 if (req->flags & FLAG_SV2_RO_OFF) 409 if (req->flags & FLAG_SV2_RO_OFF)
245 SvREADONLY_off (req->sv2); 410 SvREADONLY_off (req->sv2);
246 411
247 if (!EIO_CANCELLED (req) && req->callback) 412 if (!EIO_CANCELLED (req) && req->callback)
248 { 413 {
414 dSP;
415 static SV *sv_result_cache; /* caches the result integer SV */
416 SV *sv_result;
417
249 ENTER; 418 ENTER;
250 SAVETMPS; 419 SAVETMPS;
251 PUSHMARK (SP); 420 PUSHMARK (SP);
252 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 }
253 435
254 switch (req->type) 436 switch (req->type)
255 { 437 {
256 case EIO_READDIR: 438 case EIO_READDIR:
257 { 439 {
… …
325 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 507 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
326 char sym [64]; 508 char sym [64];
327 int symlen; 509 int symlen;
328 510
329 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 511 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
330 gv_init (gv, stash, sym, symlen, 0); 512 gv_init (gv, aio_stash, sym, symlen, 0);
331 513
332 symlen = snprintf ( 514 symlen = snprintf (
333 sym, 515 sym,
334 sizeof (sym), 516 sizeof (sym),
335 "%s&=%d", 517 "%s&=%d",
… …
343 525
344 PUSHs (fh); 526 PUSHs (fh);
345 } 527 }
346 break; 528 break;
347 529
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
348 case EIO_GROUP: 560 case EIO_GROUP:
349 req->int1 = 2; /* mark group as finished */ 561 req->int1 = 2; /* mark group as finished */
350 562
351 if (req->sv1) 563 if (req->sv1)
352 { 564 {
… …
362 case EIO_NOP: 574 case EIO_NOP:
363 case EIO_BUSY: 575 case EIO_BUSY:
364 break; 576 break;
365 577
366 case EIO_READLINK: 578 case EIO_READLINK:
579 case EIO_REALPATH:
367 if (req->result > 0) 580 if (req->result > 0)
368 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 581 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
369 break; 582 break;
370 583
371 case EIO_STAT: 584 case EIO_STAT:
372 case EIO_LSTAT: 585 case EIO_LSTAT:
373 case EIO_FSTAT: 586 case EIO_FSTAT:
374 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 587 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
375 PL_laststatval = req->result; 588 PL_laststatval = req->result;
376 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 589 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
377 PUSHs (sv_2mortal (newSViv (req->result))); 590 PUSHs (sv_result);
378 break; 591 break;
379 592
380 case EIO_READ: 593 case EIO_READ:
381 { 594 {
382 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));
383 *SvEND (req->sv2) = 0; 596 *SvEND (req->sv2) = 0;
384 SvPOK_only (req->sv2); 597 SvPOK_only (req->sv2);
385 SvSETMAGIC (req->sv2); 598 SvSETMAGIC (req->sv2);
386 PUSHs (sv_2mortal (newSViv (req->result))); 599 PUSHs (sv_result);
387 } 600 }
388 break; 601 break;
389 602
390 case EIO_DUP2: 603 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
391 if (req->result > 0) 604 if (req->result > 0)
392 req->result = 0; 605 SvIV_set (sv_result, 0);
393 /* FALLTHROUGH */ 606 /* FALLTHROUGH */
394 607
395 default: 608 default:
396 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
397 break; 610 break;
398 } 611 }
399 612
400 errno = req->errorno; 613 errno = req->errorno;
401 614
402 PUTBACK; 615 PUTBACK;
403 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 616 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
404 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;
405 623
406 FREETMPS; 624 FREETMPS;
407 LEAVE; 625 LEAVE;
408 626
409 PUTBACK; 627 PUTBACK;
… …
438 grp->sv2 = 0; 656 grp->sv2 = 0;
439 657
440 eio_grp_cancel (grp); 658 eio_grp_cancel (grp);
441} 659}
442 660
443#ifdef USE_SOCKETS_AS_HANDLES
444# define TO_SOCKET(x) (win32_get_osfhandle (x))
445#else
446# define TO_SOCKET(x) (x)
447#endif
448
449static void
450create_respipe (void) 661static void create_respipe (void)
451{ 662{
452 int old_readfd = respipe [0];
453
454 if (respipe [1] >= 0)
455 respipe_close (TO_SOCKET (respipe [1]));
456
457#ifdef _WIN32
458 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
459#else
460 if (pipe (respipe)) 663 if (s_epipe_renew (&respipe))
461#endif
462 croak ("unable to initialize result pipe"); 664 croak ("IO::AIO: unable to initialize result pipe");
463
464 if (old_readfd >= 0)
465 {
466 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
467 croak ("unable to initialize result pipe(2)");
468
469 respipe_close (respipe [0]);
470 respipe [0] = old_readfd;
471 }
472
473#ifdef _WIN32
474 int arg = 1;
475 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
476 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
477#else
478 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
479 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
480#endif
481 croak ("unable to initialize result pipe(3)");
482
483 respipe_osf [0] = TO_SOCKET (respipe [0]);
484 respipe_osf [1] = TO_SOCKET (respipe [1]);
485} 665}
486 666
487static void poll_wait (void) 667static void poll_wait (void)
488{ 668{
489 fd_set rfd;
490
491 while (eio_nreqs ()) 669 while (eio_nreqs ())
492 { 670 {
493 int size; 671 int size;
494 672
495 X_LOCK (reslock); 673 X_LOCK (reslock);
… …
499 if (size) 677 if (size)
500 return; 678 return;
501 679
502 etp_maybe_start_thread (); 680 etp_maybe_start_thread ();
503 681
504 FD_ZERO (&rfd); 682 s_epipe_wait (&respipe);
505 FD_SET (respipe [0], &rfd);
506
507 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
508 } 683 }
509} 684}
510 685
511static int poll_cb (void) 686static int poll_cb (void)
512{ 687{
… …
527static void atfork_child (void) 702static void atfork_child (void)
528{ 703{
529 create_respipe (); 704 create_respipe ();
530} 705}
531 706
532static SV * 707/*****************************************************************************/
533get_cb (SV *cb_sv)
534{
535 HV *st;
536 GV *gvp;
537 CV *cv;
538 708
539 if (!SvOK (cb_sv)) 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
540 return 0; 742 return 0;
743}
541 744
542 cv = sv_2cv (cb_sv, &st, &gvp, 0); 745static MGVTBL mmap_vtbl = {
746 0, 0, 0, 0, mmap_free
747};
543 748
544 if (!cv) 749/*****************************************************************************/
545 croak ("IO::AIO callback must be undef or a CODE reference");
546 750
547 return (SV *)cv; 751static SV * get_cb (SV *cb_sv)
752{
753 SvGETMAGIC (cb_sv);
754 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
548} 755}
549 756
550#define dREQ \ 757#define dREQ \
551 SV *cb_cv; \ 758 SV *cb_cv; \
552 aio_req req; \ 759 aio_req req; \
… …
566 PUTBACK; \ 773 PUTBACK; \
567 req_submit (req); \ 774 req_submit (req); \
568 SPAGAIN; \ 775 SPAGAIN; \
569 \ 776 \
570 if (GIMME_V != G_VOID) \ 777 if (GIMME_V != G_VOID) \
571 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 778 XPUSHs (req_sv (req, aio_req_stash));
572
573static int
574extract_fd (SV *fh, int wr)
575{
576 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
577
578 if (fd < 0)
579 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
580
581 return fd;
582}
583 779
584MODULE = IO::AIO PACKAGE = IO::AIO 780MODULE = IO::AIO PACKAGE = IO::AIO
585 781
586PROTOTYPES: ENABLE 782PROTOTYPES: ENABLE
587 783
… …
589{ 785{
590 static const struct { 786 static const struct {
591 const char *name; 787 const char *name;
592 IV iv; 788 IV iv;
593 } *civ, const_iv[] = { 789 } *civ, const_iv[] = {
594# 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 },
595# define const_eio(name) { # name, (IV) EIO_ ## name }, 792# define const_eio(name) { # name, (IV) EIO_ ## name },
596 const_iv (EXDEV , EXDEV) 793 const_iv (EXDEV)
597 const_iv (ENOSYS , ENOSYS) 794 const_iv (ENOSYS)
598 const_iv (O_RDONLY, O_RDONLY) 795 const_iv (O_RDONLY)
599 const_iv (O_WRONLY, O_WRONLY) 796 const_iv (O_WRONLY)
797 const_iv (O_RDWR)
600 const_iv (O_CREAT , O_CREAT) 798 const_iv (O_CREAT)
601 const_iv (O_TRUNC , O_TRUNC) 799 const_iv (O_TRUNC)
602#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
603 const_iv (S_IFIFO , S_IFIFO) 819 const_iv (S_IFIFO)
604#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
605 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 829 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
606 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 830 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
607 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 831 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
608 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 832 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
609 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 833 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
610 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)
611 880
612 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 881 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
613 const_eio (SYNC_FILE_RANGE_WRITE) 882 const_eio (SYNC_FILE_RANGE_WRITE)
614 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 883 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
884
885 const_eio (FALLOC_FL_KEEP_SIZE)
615 886
616 const_eio (READDIR_DENTS) 887 const_eio (READDIR_DENTS)
617 const_eio (READDIR_DIRS_FIRST) 888 const_eio (READDIR_DIRS_FIRST)
618 const_eio (READDIR_STAT_ORDER) 889 const_eio (READDIR_STAT_ORDER)
619 const_eio (READDIR_FOUND_UNKNOWN) 890 const_eio (READDIR_FOUND_UNKNOWN)
… …
627 const_eio (DT_LNK) 898 const_eio (DT_LNK)
628 const_eio (DT_SOCK) 899 const_eio (DT_SOCK)
629 const_eio (DT_WHT) 900 const_eio (DT_WHT)
630 }; 901 };
631 902
632 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);
633 906
634 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; )
635 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));
636 911
637 create_respipe (); 912 create_respipe ();
638 913
639 if (eio_init (want_poll, done_poll) < 0) 914 if (eio_init (want_poll, done_poll) < 0)
640 croak ("IO::AIO: unable to initialise eio library"); 915 croak ("IO::AIO: unable to initialise eio library");
… …
642 /* atfork child called in fifo order, so before eio's handler */ 917 /* atfork child called in fifo order, so before eio's handler */
643 X_THREAD_ATFORK (0, 0, atfork_child); 918 X_THREAD_ATFORK (0, 0, atfork_child);
644} 919}
645 920
646void 921void
647max_poll_reqs (int nreqs) 922max_poll_reqs (unsigned int nreqs)
648 PROTOTYPE: $ 923 PROTOTYPE: $
649 CODE: 924 CODE:
650 eio_set_max_poll_reqs (nreqs); 925 eio_set_max_poll_reqs (nreqs);
651 926
652void 927void
… …
654 PROTOTYPE: $ 929 PROTOTYPE: $
655 CODE: 930 CODE:
656 eio_set_max_poll_time (nseconds); 931 eio_set_max_poll_time (nseconds);
657 932
658void 933void
659min_parallel (int nthreads) 934min_parallel (unsigned int nthreads)
660 PROTOTYPE: $ 935 PROTOTYPE: $
661 CODE: 936 CODE:
662 eio_set_min_parallel (nthreads); 937 eio_set_min_parallel (nthreads);
663 938
664void 939void
665max_parallel (int nthreads) 940max_parallel (unsigned int nthreads)
666 PROTOTYPE: $ 941 PROTOTYPE: $
667 CODE: 942 CODE:
668 eio_set_max_parallel (nthreads); 943 eio_set_max_parallel (nthreads);
669 944
670void 945void
671max_idle (int nthreads) 946max_idle (unsigned int nthreads)
672 PROTOTYPE: $ 947 PROTOTYPE: $
673 CODE: 948 CODE:
674 eio_set_max_idle (nthreads); 949 eio_set_max_idle (nthreads);
675 950
676void 951void
952idle_timeout (unsigned int seconds)
953 PROTOTYPE: $
954 CODE:
955 eio_set_idle_timeout (seconds);
956
957void
677max_outstanding (int maxreqs) 958max_outstanding (unsigned int maxreqs)
678 PROTOTYPE: $ 959 PROTOTYPE: $
679 CODE: 960 CODE:
680 max_outstanding = maxreqs; 961 max_outstanding = maxreqs;
681 962
682void 963void
683aio_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)
684 PROTOTYPE: $$$;$
685 PPCODE: 965 PPCODE:
686{ 966{
687 dREQ; 967 dREQ;
688 968
689 req->type = EIO_OPEN; 969 req->type = EIO_OPEN;
… …
695 REQ_SEND; 975 REQ_SEND;
696} 976}
697 977
698void 978void
699aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 979aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
700 PROTOTYPE: $;$
701 ALIAS: 980 ALIAS:
702 aio_fsync = EIO_FSYNC 981 aio_fsync = EIO_FSYNC
703 aio_fdatasync = EIO_FDATASYNC 982 aio_fdatasync = EIO_FDATASYNC
704 PPCODE: 983 PPCODE:
705{ 984{
706 int fd = extract_fd (fh, 0); 985 int fd = s_fileno_croak (fh, 0);
707 dREQ; 986 dREQ;
708 987
709 req->type = ix; 988 req->type = ix;
710 req->sv1 = newSVsv (fh); 989 req->sv1 = newSVsv (fh);
711 req->int1 = fd; 990 req->int1 = fd;
… …
713 REQ_SEND (req); 992 REQ_SEND (req);
714} 993}
715 994
716void 995void
717aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 996aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
718 PROTOTYPE: $$$$;$
719 PPCODE: 997 PPCODE:
720{ 998{
721 int fd = extract_fd (fh, 0); 999 int fd = s_fileno_croak (fh, 0);
722 dREQ; 1000 dREQ;
723 1001
724 req->type = EIO_SYNC_FILE_RANGE; 1002 req->type = EIO_SYNC_FILE_RANGE;
725 req->sv1 = newSVsv (fh); 1003 req->sv1 = newSVsv (fh);
726 req->int1 = fd; 1004 req->int1 = fd;
… …
730 1008
731 REQ_SEND (req); 1009 REQ_SEND (req);
732} 1010}
733 1011
734void 1012void
1013aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1014 PPCODE:
1015{
1016 int fd = s_fileno_croak (fh, 0);
1017 dREQ;
1018
1019 req->type = EIO_FALLOCATE;
1020 req->sv1 = newSVsv (fh);
1021 req->int1 = fd;
1022 req->int2 = mode;
1023 req->offs = offset;
1024 req->size = len;
1025
1026 REQ_SEND (req);
1027}
1028
1029void
735aio_close (SV *fh, SV *callback=&PL_sv_undef) 1030aio_close (SV *fh, SV *callback=&PL_sv_undef)
736 PROTOTYPE: $;$
737 PPCODE: 1031 PPCODE:
738{ 1032{
739 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1033 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
740 int fd = extract_fd (fh, 0); 1034 int fd = s_fileno_croak (fh, 0);
741 dREQ; 1035 dREQ;
742 1036
743 if (close_pipe < 0) 1037 if (close_pipe < 0)
744 { 1038 {
745 int pipefd [2]; 1039 int pipefd [2];
… …
763void 1057void
764aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1058aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
765 ALIAS: 1059 ALIAS:
766 aio_read = EIO_READ 1060 aio_read = EIO_READ
767 aio_write = EIO_WRITE 1061 aio_write = EIO_WRITE
768 PROTOTYPE: $$$$$;$
769 PPCODE: 1062 PPCODE:
770{ 1063{
771 STRLEN svlen; 1064 STRLEN svlen;
772 int fd = extract_fd (fh, ix == EIO_WRITE); 1065 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
773 char *svptr = SvPVbyte (data, svlen); 1066 char *svptr = SvPVbyte (data, svlen);
774 UV len = SvUV (length); 1067 UV len = SvUV (length);
775 1068
776 if (dataoffset < 0) 1069 if (dataoffset < 0)
777 dataoffset += svlen; 1070 dataoffset += svlen;
… …
814 } 1107 }
815} 1108}
816 1109
817void 1110void
818aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1111aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
819 PROTOTYPE: $$;$ 1112 ALIAS:
1113 aio_readlink = EIO_READLINK
1114 aio_realpath = EIO_REALPATH
820 PPCODE: 1115 PPCODE:
821{ 1116{
822 SV *data; 1117 SV *data;
823 dREQ; 1118 dREQ;
824 1119
825 req->type = EIO_READLINK; 1120 req->type = ix;
826 req->sv1 = newSVsv (path); 1121 req->sv1 = newSVsv (path);
827 req->ptr1 = SvPVbyte_nolen (req->sv1); 1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 1123
829 REQ_SEND; 1124 REQ_SEND;
830} 1125}
831 1126
832void 1127void
833aio_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)
834 PROTOTYPE: $$$$;$
835 PPCODE: 1129 PPCODE:
836{ 1130{
837 int ifd = extract_fd (in_fh , 0); 1131 int ifd = s_fileno_croak (in_fh , 0);
838 int ofd = extract_fd (out_fh, 0); 1132 int ofd = s_fileno_croak (out_fh, 1);
839 dREQ; 1133 dREQ;
840 1134
841 req->type = EIO_SENDFILE; 1135 req->type = EIO_SENDFILE;
842 req->sv1 = newSVsv (out_fh); 1136 req->sv1 = newSVsv (out_fh);
843 req->int1 = ofd; 1137 req->int1 = ofd;
… …
849 REQ_SEND; 1143 REQ_SEND;
850} 1144}
851 1145
852void 1146void
853aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1147aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
854 PROTOTYPE: $$$;$
855 PPCODE: 1148 PPCODE:
856{ 1149{
857 int fd = extract_fd (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
858 dREQ; 1151 dREQ;
859 1152
860 req->type = EIO_READAHEAD; 1153 req->type = EIO_READAHEAD;
861 req->sv1 = newSVsv (fh); 1154 req->sv1 = newSVsv (fh);
862 req->int1 = fd; 1155 req->int1 = fd;
… …
867} 1160}
868 1161
869void 1162void
870aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1163aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
871 ALIAS: 1164 ALIAS:
872 aio_stat = EIO_STAT 1165 aio_stat = EIO_STAT
873 aio_lstat = EIO_LSTAT 1166 aio_lstat = EIO_LSTAT
1167 aio_statvfs = EIO_STATVFS
874 PPCODE: 1168 PPCODE:
875{ 1169{
876 dREQ; 1170 dREQ;
877 1171
878 req->sv1 = newSVsv (fh_or_path); 1172 req->sv1 = newSVsv (fh_or_path);
… …
882 req->type = ix; 1176 req->type = ix;
883 req->ptr1 = SvPVbyte_nolen (req->sv1); 1177 req->ptr1 = SvPVbyte_nolen (req->sv1);
884 } 1178 }
885 else 1179 else
886 { 1180 {
887 req->type = EIO_FSTAT; 1181 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
888 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1182 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
889 } 1183 }
890 1184
891 REQ_SEND; 1185 REQ_SEND;
892} 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
893 1203
894void 1204void
895aio_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)
896 PPCODE: 1206 PPCODE:
897{ 1207{
… …
1055 1365
1056 REQ_SEND; 1366 REQ_SEND;
1057} 1367}
1058 1368
1059void 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
1060aio_busy (double delay, SV *callback=&PL_sv_undef) 1444aio_busy (double delay, SV *callback=&PL_sv_undef)
1061 PPCODE: 1445 PPCODE:
1062{ 1446{
1063 dREQ; 1447 dREQ;
1064 1448
… …
1068 REQ_SEND; 1452 REQ_SEND;
1069} 1453}
1070 1454
1071void 1455void
1072aio_group (SV *callback=&PL_sv_undef) 1456aio_group (SV *callback=&PL_sv_undef)
1073 PROTOTYPE: ;$
1074 PPCODE: 1457 PPCODE:
1075{ 1458{
1076 dREQ; 1459 dREQ;
1077 1460
1078 req->type = EIO_GROUP; 1461 req->type = EIO_GROUP;
1079 1462
1080 req_submit (req); 1463 req_submit (req);
1081 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1464 XPUSHs (req_sv (req, aio_grp_stash));
1082} 1465}
1083 1466
1084void 1467void
1085aio_nop (SV *callback=&PL_sv_undef) 1468aio_nop (SV *callback=&PL_sv_undef)
1086 ALIAS: 1469 ALIAS:
… …
1095 REQ_SEND; 1478 REQ_SEND;
1096} 1479}
1097 1480
1098int 1481int
1099aioreq_pri (int pri = 0) 1482aioreq_pri (int pri = 0)
1100 PROTOTYPE: ;$
1101 CODE: 1483 CODE:
1102 RETVAL = next_pri; 1484 RETVAL = next_pri;
1103 if (items > 0) 1485 if (items > 0)
1104 { 1486 {
1105 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1487 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1117 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1499 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1118 next_pri = nice; 1500 next_pri = nice;
1119 1501
1120void 1502void
1121flush () 1503flush ()
1122 PROTOTYPE:
1123 CODE: 1504 CODE:
1124 while (eio_nreqs ()) 1505 while (eio_nreqs ())
1125 { 1506 {
1126 poll_wait (); 1507 poll_wait ();
1127 poll_cb (); 1508 poll_cb ();
1128 } 1509 }
1129 1510
1130int 1511int
1131poll() 1512poll ()
1132 PROTOTYPE:
1133 CODE: 1513 CODE:
1134 poll_wait (); 1514 poll_wait ();
1135 RETVAL = poll_cb (); 1515 RETVAL = poll_cb ();
1136 OUTPUT: 1516 OUTPUT:
1137 RETVAL 1517 RETVAL
1138 1518
1139int 1519int
1140poll_fileno() 1520poll_fileno ()
1141 PROTOTYPE:
1142 CODE: 1521 CODE:
1143 RETVAL = respipe [0]; 1522 RETVAL = s_epipe_fd (&respipe);
1144 OUTPUT: 1523 OUTPUT:
1145 RETVAL 1524 RETVAL
1146 1525
1147int 1526int
1148poll_cb(...) 1527poll_cb (...)
1149 PROTOTYPE: 1528 PROTOTYPE:
1150 CODE: 1529 CODE:
1151 RETVAL = poll_cb (); 1530 RETVAL = poll_cb ();
1152 OUTPUT: 1531 OUTPUT:
1153 RETVAL 1532 RETVAL
1154 1533
1155void 1534void
1156poll_wait() 1535poll_wait ()
1157 PROTOTYPE:
1158 CODE: 1536 CODE:
1159 poll_wait (); 1537 poll_wait ();
1160 1538
1161int 1539int
1162nreqs() 1540nreqs ()
1163 PROTOTYPE:
1164 CODE: 1541 CODE:
1165 RETVAL = eio_nreqs (); 1542 RETVAL = eio_nreqs ();
1166 OUTPUT: 1543 OUTPUT:
1167 RETVAL 1544 RETVAL
1168 1545
1169int 1546int
1170nready() 1547nready ()
1171 PROTOTYPE:
1172 CODE: 1548 CODE:
1173 RETVAL = eio_nready (); 1549 RETVAL = eio_nready ();
1174 OUTPUT: 1550 OUTPUT:
1175 RETVAL 1551 RETVAL
1176 1552
1177int 1553int
1178npending() 1554npending ()
1179 PROTOTYPE:
1180 CODE: 1555 CODE:
1181 RETVAL = eio_npending (); 1556 RETVAL = eio_npending ();
1182 OUTPUT: 1557 OUTPUT:
1183 RETVAL 1558 RETVAL
1184 1559
1185int 1560int
1186nthreads() 1561nthreads ()
1187 PROTOTYPE:
1188 CODE: 1562 CODE:
1189 RETVAL = eio_nthreads (); 1563 RETVAL = eio_nthreads ();
1190 OUTPUT: 1564 OUTPUT:
1191 RETVAL 1565 RETVAL
1192 1566
1193int 1567int
1194fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1568fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1195 PROTOTYPE: $$$$
1196 CODE: 1569 CODE:
1197{
1198 #if _XOPEN_SOURCE >= 600
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1570 RETVAL = posix_fadvise (fh, offset, length, advice);
1200 #else
1201 RETVAL = errno = ENOSYS;
1202 #endif
1203}
1204 OUTPUT: 1571 OUTPUT:
1205 RETVAL 1572 RETVAL
1206 1573
1207ssize_t 1574ssize_t
1208sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1575sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1209 PROTOTYPE: $$$$
1210 CODE: 1576 CODE:
1211 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
1212 1688
1213void _on_next_submit (SV *cb) 1689void _on_next_submit (SV *cb)
1214 CODE: 1690 CODE:
1215 SvREFCNT_dec (on_next_submit); 1691 SvREFCNT_dec (on_next_submit);
1216 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1692 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1231 if (GIMME_V != G_VOID) 1707 if (GIMME_V != G_VOID)
1232 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1708 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1233 1709
1234 if (items > 1) 1710 if (items > 1)
1235 { 1711 {
1236 SV *cb_cv = get_cb (callback); 1712 SV *cb_cv =get_cb (callback);
1237 1713
1238 SvREFCNT_dec (req->callback); 1714 SvREFCNT_dec (req->callback);
1239 req->callback = SvREFCNT_inc (cb_cv); 1715 req->callback = SvREFCNT_inc (cb_cv);
1240 } 1716 }
1241} 1717}

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