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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.151 by root, Tue Jul 14 00:13:36 2009 UTC vs.
Revision 1.183 by root, Tue Jul 5 09:24:11 2011 UTC

… …
11#include <stddef.h> 11#include <stddef.h>
12#include <stdlib.h> 12#include <stdlib.h>
13#include <errno.h> 13#include <errno.h>
14#include <sys/types.h> 14#include <sys/types.h>
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
16#include <limits.h> 17#include <limits.h>
17#include <fcntl.h> 18#include <fcntl.h>
18#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
19 24
20/* perl namespace pollution */ 25/* perl namespace pollution */
21#undef VERSION 26#undef VERSION
22 27
23#ifdef _WIN32 28#ifdef _WIN32
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
104static HV *stash;
105typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
108 112
109#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 114
112#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
113 SV *callback; \ 116 SV *callback; \
114 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
115 STRLEN stroffset; \ 118 STRLEN stroffset; \
116 SV *self; 119 SV *self;
117 120
118#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
119 122
123#include "libeio/config.h"
120#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126/* Linux/others */
127#ifndef O_ASYNC
128# define O_ASYNC 0
129#endif
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136
137/* POSIX */
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
121 171
122#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif 174#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
129#endif 177#endif
130
131#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 179# define POSIX_FADV_RANDOM 0
133#endif 180#endif
134
135#ifndef POSIX_FADV_NOREUSE 181#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 182# define POSIX_FADV_NOREUSE 0
137#endif 183#endif
138
139#ifndef POSIX_FADV_WILLNEED 184#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 185# define POSIX_FADV_WILLNEED 0
141#endif 186#endif
142
143#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
189#endif
190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif
283
284#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON
287# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif
290#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306
307#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min))
309#endif
310#ifndef major
311# define major(dev) ((dev) >> 8)
312#endif
313#ifndef minor
314# define minor(dev) ((dev) & 0xff)
315#endif
316
317#ifndef PAGESIZE
318# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 319#endif
146 320
147static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
… …
160 334
161static SV *on_next_submit; 335static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 336static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 337static int max_outstanding;
164 338
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 339static s_epipe respipe;
166 340
167static void req_destroy (aio_req req); 341static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 342static void req_cancel (aio_req req);
169 343
170static void want_poll (void) 344static void want_poll (void)
171{ 345{
172 /* write a dummy byte to the pipe so fh becomes ready */ 346 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 347 s_epipe_signal (&respipe);
174} 348}
175 349
176static void done_poll (void) 350static void done_poll (void)
177{ 351{
178 /* read any signals sent by the worker threads */ 352 /* read any signals sent by the worker threads */
179 char buf [4]; 353 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 354}
183 355
184/* must be called at most once */ 356/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 357static SV *req_sv (aio_req req, HV *stash)
186{ 358{
187 if (!req->self) 359 if (!req->self)
188 { 360 {
189 req->self = (SV *)newHV (); 361 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 363 }
192 364
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 366}
195 367
196static aio_req SvAIO_REQ (SV *sv) 368static aio_req SvAIO_REQ (SV *sv)
197{ 369{
198 MAGIC *mg; 370 MAGIC *mg;
199 371
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 372 if (!SvROK (sv)
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 376 croak ("object of class IO::AIO::REQ expected");
202 377
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 379
205 return mg ? (aio_req)mg->mg_ptr : 0; 380 return mg ? (aio_req)mg->mg_ptr : 0;
206} 381}
… …
212 dSP; 387 dSP;
213 388
214 ENTER; 389 ENTER;
215 SAVETMPS; 390 SAVETMPS;
216 PUSHMARK (SP); 391 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 392 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 393 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 394 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 395 SPAGAIN;
221 FREETMPS; 396 FREETMPS;
222 LEAVE; 397 LEAVE;
… …
240 } 415 }
241} 416}
242 417
243static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
244{ 419{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
249 422
250 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
251 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
252 ENTER; 429 ENTER;
253 SAVETMPS; 430 SAVETMPS;
254 PUSHMARK (SP); 431 PUSHMARK (SP);
255 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
256 446
257 switch (req->type) 447 switch (req->type)
258 { 448 {
259 case EIO_READDIR: 449 case EIO_READDIR:
260 { 450 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 519 char sym [64];
330 int symlen; 520 int symlen;
331 521
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 523 gv_init (gv, aio_stash, sym, symlen, 0);
334 524
335 symlen = snprintf ( 525 symlen = snprintf (
336 sym, 526 sym,
337 sizeof (sym), 527 sizeof (sym),
338 "%s&=%d", 528 "%s&=%d",
… …
346 536
347 PUSHs (fh); 537 PUSHs (fh);
348 } 538 }
349 break; 539 break;
350 540
541 case EIO_STATVFS:
542 case EIO_FSTATVFS:
543 {
544 SV *rv = &PL_sv_undef;
545
546 if (req->result >= 0)
547 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV ();
550
551 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
555 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 }
565
566 PUSHs (rv);
567 }
568
569 break;
570
351 case EIO_GROUP: 571 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 572 req->int1 = 2; /* mark group as finished */
353 573
354 if (req->sv1) 574 if (req->sv1)
355 { 575 {
… …
365 case EIO_NOP: 585 case EIO_NOP:
366 case EIO_BUSY: 586 case EIO_BUSY:
367 break; 587 break;
368 588
369 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
370 if (req->result > 0) 591 if (req->result > 0)
371 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
372 break; 593 break;
373 594
374 case EIO_STAT: 595 case EIO_STAT:
375 case EIO_LSTAT: 596 case EIO_LSTAT:
376 case EIO_FSTAT: 597 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 599 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
381 break; 602 break;
382 603
383 case EIO_READ: 604 case EIO_READ:
384 { 605 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
390 } 611 }
391 break; 612 break;
392 613
393 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 615 if (req->result > 0)
395 req->result = 0; 616 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
397 618
398 default: 619 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
400 break; 621 break;
401 } 622 }
402 623
403 errno = req->errorno; 624 errno = req->errorno;
404 625
405 PUTBACK; 626 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 628 SPAGAIN;
629
630 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
631 SvREFCNT_dec (sv_result);
632 else
633 sv_result_cache = sv_result;
408 634
409 FREETMPS; 635 FREETMPS;
410 LEAVE; 636 LEAVE;
411 637
412 PUTBACK; 638 PUTBACK;
… …
441 grp->sv2 = 0; 667 grp->sv2 = 0;
442 668
443 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
444} 670}
445 671
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 672static void
453create_respipe (void) 673create_respipe (void)
454{ 674{
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)) 675 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 676 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} 677}
489 678
490static void poll_wait (void) 679static void poll_wait (void)
491{ 680{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 681 while (eio_nreqs ())
495 { 682 {
496 int size; 683 int size;
497 684
498 X_LOCK (reslock); 685 X_LOCK (reslock);
… …
502 if (size) 689 if (size)
503 return; 690 return;
504 691
505 etp_maybe_start_thread (); 692 etp_maybe_start_thread ();
506 693
507 FD_ZERO (&rfd); 694 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 695 }
512} 696}
513 697
514static int poll_cb (void) 698static int poll_cb (void)
515{ 699{
… …
530static void atfork_child (void) 714static void atfork_child (void)
531{ 715{
532 create_respipe (); 716 create_respipe ();
533} 717}
534 718
719/*****************************************************************************/
720
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
735#define MMAP_MAGIC PERL_MAGIC_ext
736
737static int
738mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761
762/*****************************************************************************/
763
535static SV * 764static SV *
536get_cb (SV *cb_sv) 765get_cb (SV *cb_sv)
537{ 766{
538 HV *st; 767 SvGETMAGIC (cb_sv);
539 GV *gvp; 768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
540 CV *cv;
541
542 if (!SvOK (cb_sv))
543 return 0;
544
545 cv = sv_2cv (cb_sv, &st, &gvp, 0);
546
547 if (!cv)
548 croak ("IO::AIO callback must be undef or a CODE reference");
549
550 return (SV *)cv;
551} 769}
552 770
553#define dREQ \ 771#define dREQ \
554 SV *cb_cv; \ 772 SV *cb_cv; \
555 aio_req req; \ 773 aio_req req; \
… …
569 PUTBACK; \ 787 PUTBACK; \
570 req_submit (req); \ 788 req_submit (req); \
571 SPAGAIN; \ 789 SPAGAIN; \
572 \ 790 \
573 if (GIMME_V != G_VOID) \ 791 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 792 XPUSHs (req_sv (req, aio_req_stash));
575 793
576MODULE = IO::AIO PACKAGE = IO::AIO 794MODULE = IO::AIO PACKAGE = IO::AIO
577 795
578PROTOTYPES: ENABLE 796PROTOTYPES: ENABLE
579 797
… …
581{ 799{
582 static const struct { 800 static const struct {
583 const char *name; 801 const char *name;
584 IV iv; 802 IV iv;
585 } *civ, const_iv[] = { 803 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 804# define const_niv(name, value) { # name, (IV) value },
805# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 806# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 807 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 808 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 809 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 810 const_iv (O_WRONLY)
811 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 812 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 813 const_iv (O_TRUNC)
594#ifndef _WIN32 814 const_iv (O_EXCL)
815 const_iv (O_APPEND)
816
817 const_iv (O_ASYNC)
818 const_iv (O_DIRECT)
819 const_iv (O_NOATIME)
820
821 const_iv (O_CLOEXEC)
822 const_iv (O_NOCTTY)
823 const_iv (O_NOFOLLOW)
824 const_iv (O_NONBLOCK)
825 const_iv (O_EXEC)
826 const_iv (O_SEARCH)
827 const_iv (O_DIRECTORY)
828 const_iv (O_DSYNC)
829 const_iv (O_RSYNC)
830 const_iv (O_SYNC)
831 const_iv (O_TTY_INIT)
832
595 const_iv (S_IFIFO , S_IFIFO) 833 const_iv (S_IFIFO)
596#endif 834 const_iv (S_IFCHR)
835 const_iv (S_IFBLK)
836 const_iv (S_IFLNK)
837 const_iv (S_IFREG)
838 const_iv (S_IFDIR)
839 const_iv (S_IFWHT)
840 const_iv (S_IFSOCK)
841 const_iv (S_IFMT)
842
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 848 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
849
850 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
851 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
852 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
853 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
854 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
855
856 const_iv (ST_RDONLY)
857 const_iv (ST_NOSUID)
858 const_iv (ST_NODEV)
859 const_iv (ST_NOEXEC)
860 const_iv (ST_SYNCHRONOUS)
861 const_iv (ST_MANDLOCK)
862 const_iv (ST_WRITE)
863 const_iv (ST_APPEND)
864 const_iv (ST_IMMUTABLE)
865 const_iv (ST_NOATIME)
866 const_iv (ST_NODIRATIME)
867 const_iv (ST_RELATIME)
868
869 const_iv (PROT_NONE)
870 const_iv (PROT_EXEC)
871 const_iv (PROT_READ)
872 const_iv (PROT_WRITE)
873
874 /*const_iv (MAP_FIXED)*/
875 const_iv (MAP_PRIVATE)
876 const_iv (MAP_SHARED)
877 const_iv (MAP_ANONYMOUS)
878
879 /* linuxish */
880 const_iv (MAP_HUGETLB)
881 const_iv (MAP_LOCKED)
882 const_iv (MAP_NORESERVE)
883 const_iv (MAP_POPULATE)
884 const_iv (MAP_NONBLOCK)
885
886 const_eio (MCL_FUTURE)
887 const_eio (MCL_CURRENT)
888
889 const_eio (MS_ASYNC)
890 const_eio (MS_INVALIDATE)
891 const_eio (MS_SYNC)
892
893 const_eio (MT_MODIFY)
603 894
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 896 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 898
… …
619 const_eio (DT_LNK) 910 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 911 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 912 const_eio (DT_WHT)
622 }; 913 };
623 914
624 stash = gv_stashpv ("IO::AIO", 1); 915 aio_stash = gv_stashpv ("IO::AIO" , 1);
916 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
917 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
625 918
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 919 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 920 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
921
922 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
628 923
629 create_respipe (); 924 create_respipe ();
630 925
631 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
… …
634 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
635 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
636} 931}
637 932
638void 933void
639max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
640 PROTOTYPE: $ 935 PROTOTYPE: $
641 CODE: 936 CODE:
642 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
643 938
644void 939void
… …
646 PROTOTYPE: $ 941 PROTOTYPE: $
647 CODE: 942 CODE:
648 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
649 944
650void 945void
651min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
652 PROTOTYPE: $ 947 PROTOTYPE: $
653 CODE: 948 CODE:
654 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
655 950
656void 951void
657max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
658 PROTOTYPE: $ 953 PROTOTYPE: $
659 CODE: 954 CODE:
660 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
661 956
662void 957void
663max_idle (int nthreads) 958max_idle (unsigned int nthreads)
664 PROTOTYPE: $ 959 PROTOTYPE: $
665 CODE: 960 CODE:
666 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
667 962
668void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
669max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
670 PROTOTYPE: $ 971 PROTOTYPE: $
671 CODE: 972 CODE:
672 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
673 974
674void 975void
675aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
676 PROTOTYPE: $$$;$
677 PPCODE: 977 PPCODE:
678{ 978{
679 dREQ; 979 dREQ;
680 980
681 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
687 REQ_SEND; 987 REQ_SEND;
688} 988}
689 989
690void 990void
691aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
692 PROTOTYPE: $;$
693 ALIAS: 992 ALIAS:
694 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
695 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
696 PPCODE: 995 PPCODE:
697{ 996{
… …
705 REQ_SEND (req); 1004 REQ_SEND (req);
706} 1005}
707 1006
708void 1007void
709aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
710 PROTOTYPE: $$$$;$
711 PPCODE: 1009 PPCODE:
712{ 1010{
713 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
714 dREQ; 1012 dREQ;
715 1013
… …
723 REQ_SEND (req); 1021 REQ_SEND (req);
724} 1022}
725 1023
726void 1024void
727aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_close (SV *fh, SV *callback=&PL_sv_undef)
728 PROTOTYPE: $;$
729 PPCODE: 1026 PPCODE:
730{ 1027{
731 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
732 int fd = s_fileno_croak (fh, 0); 1029 int fd = s_fileno_croak (fh, 0);
733 dREQ; 1030 dREQ;
… …
755void 1052void
756aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
757 ALIAS: 1054 ALIAS:
758 aio_read = EIO_READ 1055 aio_read = EIO_READ
759 aio_write = EIO_WRITE 1056 aio_write = EIO_WRITE
760 PROTOTYPE: $$$$$;$
761 PPCODE: 1057 PPCODE:
762{ 1058{
763 STRLEN svlen; 1059 STRLEN svlen;
764 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1060 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
765 char *svptr = SvPVbyte (data, svlen); 1061 char *svptr = SvPVbyte (data, svlen);
… …
806 } 1102 }
807} 1103}
808 1104
809void 1105void
810aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
811 PROTOTYPE: $$;$ 1107 ALIAS:
1108 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH
812 PPCODE: 1110 PPCODE:
813{ 1111{
814 SV *data; 1112 SV *data;
815 dREQ; 1113 dREQ;
816 1114
817 req->type = EIO_READLINK; 1115 req->type = ix;
818 req->sv1 = newSVsv (path); 1116 req->sv1 = newSVsv (path);
819 req->ptr1 = SvPVbyte_nolen (req->sv1); 1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
820 1118
821 REQ_SEND; 1119 REQ_SEND;
822} 1120}
823 1121
824void 1122void
825aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1123aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
826 PROTOTYPE: $$$$;$
827 PPCODE: 1124 PPCODE:
828{ 1125{
829 int ifd = s_fileno_croak (in_fh , 0); 1126 int ifd = s_fileno_croak (in_fh , 0);
830 int ofd = s_fileno_croak (out_fh, 1); 1127 int ofd = s_fileno_croak (out_fh, 1);
831 dREQ; 1128 dREQ;
… …
841 REQ_SEND; 1138 REQ_SEND;
842} 1139}
843 1140
844void 1141void
845aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $$$;$
847 PPCODE: 1143 PPCODE:
848{ 1144{
849 int fd = s_fileno_croak (fh, 0); 1145 int fd = s_fileno_croak (fh, 0);
850 dREQ; 1146 dREQ;
851 1147
… …
859} 1155}
860 1156
861void 1157void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1158aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 1159 ALIAS:
864 aio_stat = EIO_STAT 1160 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1161 aio_lstat = EIO_LSTAT
1162 aio_statvfs = EIO_STATVFS
866 PPCODE: 1163 PPCODE:
867{ 1164{
868 dREQ; 1165 dREQ;
869 1166
870 req->sv1 = newSVsv (fh_or_path); 1167 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 1171 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 1172 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 1173 }
877 else 1174 else
878 { 1175 {
879 req->type = EIO_FSTAT; 1176 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1177 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1178 }
882 1179
883 REQ_SEND; 1180 REQ_SEND;
884} 1181}
1182
1183UV
1184major (UV dev)
1185 ALIAS:
1186 minor = 1
1187 CODE:
1188 RETVAL = ix ? major (dev) : minor (dev);
1189 OUTPUT:
1190 RETVAL
1191
1192UV
1193makedev (UV maj, UV min)
1194 CODE:
1195 RETVAL = makedev (maj, min);
1196 OUTPUT:
1197 RETVAL
885 1198
886void 1199void
887aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1200aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
888 PPCODE: 1201 PPCODE:
889{ 1202{
… …
1047 1360
1048 REQ_SEND; 1361 REQ_SEND;
1049} 1362}
1050 1363
1051void 1364void
1365aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1366 ALIAS:
1367 aio_mtouch = EIO_MTOUCH
1368 aio_msync = EIO_MSYNC
1369 PPCODE:
1370{
1371 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen);
1373 UV len = SvUV (length);
1374
1375 if (offset < 0)
1376 offset += svlen;
1377
1378 if (offset < 0 || offset > svlen)
1379 croak ("offset outside of scalar");
1380
1381 if (!SvOK (length) || len + offset > svlen)
1382 len = svlen - offset;
1383
1384 {
1385 dREQ;
1386
1387 req->type = ix;
1388 req->sv2 = SvREFCNT_inc (data);
1389 req->ptr2 = (char *)svptr + offset;
1390 req->size = len;
1391 req->int1 = flags;
1392
1393 REQ_SEND;
1394 }
1395}
1396
1397void
1398aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1399 PPCODE:
1400{
1401 STRLEN svlen;
1402 char *svptr = SvPVbyte (data, svlen);
1403 UV len = SvUV (length);
1404
1405 if (offset < 0)
1406 offset += svlen;
1407
1408 if (offset < 0 || offset > svlen)
1409 croak ("offset outside of scalar");
1410
1411 if (!SvOK (length) || len + offset > svlen)
1412 len = svlen - offset;
1413
1414 {
1415 dREQ;
1416
1417 req->type = EIO_MLOCK;
1418 req->sv2 = SvREFCNT_inc (data);
1419 req->ptr2 = (char *)svptr + offset;
1420 req->size = len;
1421
1422 REQ_SEND;
1423 }
1424}
1425
1426void
1427aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1428 PPCODE:
1429{
1430 dREQ;
1431
1432 req->type = EIO_MLOCKALL;
1433 req->int1 = flags;
1434
1435 REQ_SEND;
1436}
1437
1438void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1439aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1440 PPCODE:
1054{ 1441{
1055 dREQ; 1442 dREQ;
1056 1443
… …
1060 REQ_SEND; 1447 REQ_SEND;
1061} 1448}
1062 1449
1063void 1450void
1064aio_group (SV *callback=&PL_sv_undef) 1451aio_group (SV *callback=&PL_sv_undef)
1065 PROTOTYPE: ;$
1066 PPCODE: 1452 PPCODE:
1067{ 1453{
1068 dREQ; 1454 dREQ;
1069 1455
1070 req->type = EIO_GROUP; 1456 req->type = EIO_GROUP;
1071 1457
1072 req_submit (req); 1458 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1459 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1460}
1075 1461
1076void 1462void
1077aio_nop (SV *callback=&PL_sv_undef) 1463aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1464 ALIAS:
… …
1087 REQ_SEND; 1473 REQ_SEND;
1088} 1474}
1089 1475
1090int 1476int
1091aioreq_pri (int pri = 0) 1477aioreq_pri (int pri = 0)
1092 PROTOTYPE: ;$
1093 CODE: 1478 CODE:
1094 RETVAL = next_pri; 1479 RETVAL = next_pri;
1095 if (items > 0) 1480 if (items > 0)
1096 { 1481 {
1097 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1109 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1494 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1110 next_pri = nice; 1495 next_pri = nice;
1111 1496
1112void 1497void
1113flush () 1498flush ()
1114 PROTOTYPE:
1115 CODE: 1499 CODE:
1116 while (eio_nreqs ()) 1500 while (eio_nreqs ())
1117 { 1501 {
1118 poll_wait (); 1502 poll_wait ();
1119 poll_cb (); 1503 poll_cb ();
1120 } 1504 }
1121 1505
1122int 1506int
1123poll() 1507poll ()
1124 PROTOTYPE:
1125 CODE: 1508 CODE:
1126 poll_wait (); 1509 poll_wait ();
1127 RETVAL = poll_cb (); 1510 RETVAL = poll_cb ();
1128 OUTPUT: 1511 OUTPUT:
1129 RETVAL 1512 RETVAL
1130 1513
1131int 1514int
1132poll_fileno() 1515poll_fileno ()
1133 PROTOTYPE:
1134 CODE: 1516 CODE:
1135 RETVAL = respipe [0]; 1517 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1518 OUTPUT:
1137 RETVAL 1519 RETVAL
1138 1520
1139int 1521int
1140poll_cb(...) 1522poll_cb (...)
1141 PROTOTYPE: 1523 PROTOTYPE:
1142 CODE: 1524 CODE:
1143 RETVAL = poll_cb (); 1525 RETVAL = poll_cb ();
1144 OUTPUT: 1526 OUTPUT:
1145 RETVAL 1527 RETVAL
1146 1528
1147void 1529void
1148poll_wait() 1530poll_wait ()
1149 PROTOTYPE:
1150 CODE: 1531 CODE:
1151 poll_wait (); 1532 poll_wait ();
1152 1533
1153int 1534int
1154nreqs() 1535nreqs ()
1155 PROTOTYPE:
1156 CODE: 1536 CODE:
1157 RETVAL = eio_nreqs (); 1537 RETVAL = eio_nreqs ();
1158 OUTPUT: 1538 OUTPUT:
1159 RETVAL 1539 RETVAL
1160 1540
1161int 1541int
1162nready() 1542nready ()
1163 PROTOTYPE:
1164 CODE: 1543 CODE:
1165 RETVAL = eio_nready (); 1544 RETVAL = eio_nready ();
1166 OUTPUT: 1545 OUTPUT:
1167 RETVAL 1546 RETVAL
1168 1547
1169int 1548int
1170npending() 1549npending ()
1171 PROTOTYPE:
1172 CODE: 1550 CODE:
1173 RETVAL = eio_npending (); 1551 RETVAL = eio_npending ();
1174 OUTPUT: 1552 OUTPUT:
1175 RETVAL 1553 RETVAL
1176 1554
1177int 1555int
1178nthreads() 1556nthreads ()
1179 PROTOTYPE:
1180 CODE: 1557 CODE:
1181 RETVAL = eio_nthreads (); 1558 RETVAL = eio_nthreads ();
1182 OUTPUT: 1559 OUTPUT:
1183 RETVAL 1560 RETVAL
1184 1561
1185int 1562int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1563fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$
1188 CODE: 1564 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1565 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 1566 OUTPUT:
1195 RETVAL 1567 RETVAL
1196 1568
1197ssize_t 1569ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$
1200 CODE: 1571 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1573 OUTPUT:
1574 RETVAL
1575
1576void
1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1578 PPCODE:
1579 sv_unmagic (scalar, MMAP_MAGIC);
1580{
1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1583 if (addr == (void *)-1)
1584 XSRETURN_NO;
1585
1586 sv_force_normal (scalar);
1587
1588 /* we store the length in mg_obj, as namlen is I32 :/ */
1589 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1590 ->mg_obj = (SV *)length;
1591
1592 SvUPGRADE (scalar, SVt_PV); /* nop... */
1593
1594 if (!(prot & PROT_WRITE))
1595 SvREADONLY_on (scalar);
1596
1597 if (SvLEN (scalar))
1598 Safefree (SvPVX (scalar));
1599
1600 SvPVX (scalar) = (char *)addr;
1601 SvCUR_set (scalar, length);
1602 SvLEN_set (scalar, 0);
1603 SvPOK_only (scalar);
1604
1605 XSRETURN_YES;
1606}
1607
1608void
1609munmap (SV *scalar)
1610 CODE:
1611 sv_unmagic (scalar, MMAP_MAGIC);
1612
1613int
1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1615 ALIAS:
1616 mprotect = 1
1617 CODE:
1618{
1619 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length);
1622
1623 if (offset < 0)
1624 offset += svlen;
1625
1626 if (offset < 0 || offset > svlen)
1627 croak ("offset outside of scalar");
1628
1629 if (!SvOK (length) || len + offset > svlen)
1630 len = svlen - offset;
1631
1632 addr = (void *)(((intptr_t)addr) + offset);
1633 eio_page_align (&addr, &len);
1634
1635 switch (ix)
1636 {
1637 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1638 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1639 }
1640}
1641 OUTPUT:
1642 RETVAL
1643
1644int
1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1646 CODE:
1647{
1648 STRLEN svlen;
1649 void *addr = SvPVbyte (scalar, svlen);
1650 size_t len = SvUV (length);
1651
1652 if (offset < 0)
1653 offset += svlen;
1654
1655 if (offset < 0 || offset > svlen)
1656 croak ("offset outside of scalar");
1657
1658 if (!SvOK (length) || len + offset > svlen)
1659 len = svlen - offset;
1660
1661 addr = (void *)(((intptr_t)addr) + offset);
1662 eio_page_align (&addr, &len);
1663#if _POSIX_MEMLOCK_RANGE
1664 RETVAL = munlock (addr, len);
1665#else
1666 RETVAL = ((errno = ENOSYS), -1);
1667#endif
1668}
1669 OUTPUT:
1670 RETVAL
1671
1672int
1673munlockall ()
1674 CODE:
1675#if _POSIX_MEMLOCK
1676 munlockall ();
1677#else
1678 RETVAL = -1;
1679 errno = ENOSYS;
1680#endif
1681 OUTPUT:
1682 RETVAL
1202 1683
1203void _on_next_submit (SV *cb) 1684void _on_next_submit (SV *cb)
1204 CODE: 1685 CODE:
1205 SvREFCNT_dec (on_next_submit); 1686 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1702 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1703 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1704
1224 if (items > 1) 1705 if (items > 1)
1225 { 1706 {
1226 SV *cb_cv = get_cb (callback); 1707 SV *cb_cv =get_cb (callback);
1227 1708
1228 SvREFCNT_dec (req->callback); 1709 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1710 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1711 }
1231} 1712}

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