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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.150 by root, Wed Jul 1 08:11:24 2009 UTC vs.
Revision 1.183 by root, Tue Jul 5 09:24:11 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>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
99 106
100/*****************************************************************************/ 107/*****************************************************************************/
101 108
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
106 112
107#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 114
110#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
111 SV *callback; \ 116 SV *callback; \
112 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 118 STRLEN stroffset; \
114 SV *self; 119 SV *self;
115 120
116#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
117 122
123#include "libeio/config.h"
118#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
119 171
120#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif 174#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
127#endif 177#endif
128
129#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0 179# define POSIX_FADV_RANDOM 0
131#endif 180#endif
132
133#ifndef POSIX_FADV_NOREUSE 181#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0 182# define POSIX_FADV_NOREUSE 0
135#endif 183#endif
136
137#ifndef POSIX_FADV_WILLNEED 184#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0 185# define POSIX_FADV_WILLNEED 0
139#endif 186#endif
140
141#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
142# 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)
143#endif 319#endif
144 320
145static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
… …
158 334
159static SV *on_next_submit; 335static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 336static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 337static int max_outstanding;
162 338
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 339static s_epipe respipe;
164 340
165static void req_destroy (aio_req req); 341static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 342static void req_cancel (aio_req req);
167 343
168static void want_poll (void) 344static void want_poll (void)
169{ 345{
170 /* write a dummy byte to the pipe so fh becomes ready */ 346 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 347 s_epipe_signal (&respipe);
172} 348}
173 349
174static void done_poll (void) 350static void done_poll (void)
175{ 351{
176 /* read any signals sent by the worker threads */ 352 /* read any signals sent by the worker threads */
177 char buf [4]; 353 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 354}
181 355
182/* must be called at most once */ 356/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 357static SV *req_sv (aio_req req, HV *stash)
184{ 358{
185 if (!req->self) 359 if (!req->self)
186 { 360 {
187 req->self = (SV *)newHV (); 361 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 363 }
190 364
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 366}
193 367
194static aio_req SvAIO_REQ (SV *sv) 368static aio_req SvAIO_REQ (SV *sv)
195{ 369{
196 MAGIC *mg; 370 MAGIC *mg;
197 371
198 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")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 376 croak ("object of class IO::AIO::REQ expected");
200 377
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 379
203 return mg ? (aio_req)mg->mg_ptr : 0; 380 return mg ? (aio_req)mg->mg_ptr : 0;
204} 381}
… …
210 dSP; 387 dSP;
211 388
212 ENTER; 389 ENTER;
213 SAVETMPS; 390 SAVETMPS;
214 PUSHMARK (SP); 391 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 392 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 393 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 394 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 395 SPAGAIN;
219 FREETMPS; 396 FREETMPS;
220 LEAVE; 397 LEAVE;
… …
238 } 415 }
239} 416}
240 417
241static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
242{ 419{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
247 422
248 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
249 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
250 ENTER; 429 ENTER;
251 SAVETMPS; 430 SAVETMPS;
252 PUSHMARK (SP); 431 PUSHMARK (SP);
253 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 }
254 446
255 switch (req->type) 447 switch (req->type)
256 { 448 {
257 case EIO_READDIR: 449 case EIO_READDIR:
258 { 450 {
… …
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
327 char sym [64]; 519 char sym [64];
328 int symlen; 520 int symlen;
329 521
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
331 gv_init (gv, stash, sym, symlen, 0); 523 gv_init (gv, aio_stash, sym, symlen, 0);
332 524
333 symlen = snprintf ( 525 symlen = snprintf (
334 sym, 526 sym,
335 sizeof (sym), 527 sizeof (sym),
336 "%s&=%d", 528 "%s&=%d",
… …
344 536
345 PUSHs (fh); 537 PUSHs (fh);
346 } 538 }
347 break; 539 break;
348 540
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
349 case EIO_GROUP: 571 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 572 req->int1 = 2; /* mark group as finished */
351 573
352 if (req->sv1) 574 if (req->sv1)
353 { 575 {
… …
363 case EIO_NOP: 585 case EIO_NOP:
364 case EIO_BUSY: 586 case EIO_BUSY:
365 break; 587 break;
366 588
367 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
368 if (req->result > 0) 591 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 593 break;
371 594
372 case EIO_STAT: 595 case EIO_STAT:
373 case EIO_LSTAT: 596 case EIO_LSTAT:
374 case EIO_FSTAT: 597 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
376 PL_laststatval = req->result; 599 PL_laststatval = req->result;
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
379 break; 602 break;
380 603
381 case EIO_READ: 604 case EIO_READ:
382 { 605 {
383 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));
384 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
388 } 611 }
389 break; 612 break;
390 613
391 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392 if (req->result > 0) 615 if (req->result > 0)
393 req->result = 0; 616 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
395 618
396 default: 619 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
398 break; 621 break;
399 } 622 }
400 623
401 errno = req->errorno; 624 errno = req->errorno;
402 625
403 PUTBACK; 626 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 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;
406 634
407 FREETMPS; 635 FREETMPS;
408 LEAVE; 636 LEAVE;
409 637
410 PUTBACK; 638 PUTBACK;
… …
439 grp->sv2 = 0; 667 grp->sv2 = 0;
440 668
441 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
442} 670}
443 671
444#ifdef USE_SOCKETS_AS_HANDLES
445# define TO_SOCKET(x) (win32_get_osfhandle (x))
446#else
447# define TO_SOCKET(x) (x)
448#endif
449
450static void 672static void
451create_respipe (void) 673create_respipe (void)
452{ 674{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe)) 675 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 676 croak ("IO::AIO: unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486} 677}
487 678
488static void poll_wait (void) 679static void poll_wait (void)
489{ 680{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 681 while (eio_nreqs ())
493 { 682 {
494 int size; 683 int size;
495 684
496 X_LOCK (reslock); 685 X_LOCK (reslock);
… …
500 if (size) 689 if (size)
501 return; 690 return;
502 691
503 etp_maybe_start_thread (); 692 etp_maybe_start_thread ();
504 693
505 FD_ZERO (&rfd); 694 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 695 }
510} 696}
511 697
512static int poll_cb (void) 698static int poll_cb (void)
513{ 699{
… …
528static void atfork_child (void) 714static void atfork_child (void)
529{ 715{
530 create_respipe (); 716 create_respipe ();
531} 717}
532 718
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
533static SV * 764static SV *
534get_cb (SV *cb_sv) 765get_cb (SV *cb_sv)
535{ 766{
536 HV *st; 767 SvGETMAGIC (cb_sv);
537 GV *gvp; 768 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
538 CV *cv;
539
540 if (!SvOK (cb_sv))
541 return 0;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 769}
550 770
551#define dREQ \ 771#define dREQ \
552 SV *cb_cv; \ 772 SV *cb_cv; \
553 aio_req req; \ 773 aio_req req; \
… …
567 PUTBACK; \ 787 PUTBACK; \
568 req_submit (req); \ 788 req_submit (req); \
569 SPAGAIN; \ 789 SPAGAIN; \
570 \ 790 \
571 if (GIMME_V != G_VOID) \ 791 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 792 XPUSHs (req_sv (req, aio_req_stash));
573
574static int
575extract_fd (SV *fh, int wr)
576{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
578
579 if (fd < 0)
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582 return fd;
583}
584 793
585MODULE = IO::AIO PACKAGE = IO::AIO 794MODULE = IO::AIO PACKAGE = IO::AIO
586 795
587PROTOTYPES: ENABLE 796PROTOTYPES: ENABLE
588 797
… …
590{ 799{
591 static const struct { 800 static const struct {
592 const char *name; 801 const char *name;
593 IV iv; 802 IV iv;
594 } *civ, const_iv[] = { 803 } *civ, const_iv[] = {
595# 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 },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 806# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 807 const_iv (EXDEV)
598 const_iv (ENOSYS , ENOSYS) 808 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 809 const_iv (O_RDONLY)
600 const_iv (O_WRONLY, O_WRONLY) 810 const_iv (O_WRONLY)
811 const_iv (O_RDWR)
601 const_iv (O_CREAT , O_CREAT) 812 const_iv (O_CREAT)
602 const_iv (O_TRUNC , O_TRUNC) 813 const_iv (O_TRUNC)
603#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
604 const_iv (S_IFIFO , S_IFIFO) 833 const_iv (S_IFIFO)
605#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
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 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)
612 894
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 895 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 896 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 897 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
616 898
… …
628 const_eio (DT_LNK) 910 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 911 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 912 const_eio (DT_WHT)
631 }; 913 };
632 914
633 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);
634 918
635 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; )
636 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));
637 923
638 create_respipe (); 924 create_respipe ();
639 925
640 if (eio_init (want_poll, done_poll) < 0) 926 if (eio_init (want_poll, done_poll) < 0)
641 croak ("IO::AIO: unable to initialise eio library"); 927 croak ("IO::AIO: unable to initialise eio library");
… …
643 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
644 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
645} 931}
646 932
647void 933void
648max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
649 PROTOTYPE: $ 935 PROTOTYPE: $
650 CODE: 936 CODE:
651 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
652 938
653void 939void
… …
655 PROTOTYPE: $ 941 PROTOTYPE: $
656 CODE: 942 CODE:
657 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
658 944
659void 945void
660min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
661 PROTOTYPE: $ 947 PROTOTYPE: $
662 CODE: 948 CODE:
663 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
664 950
665void 951void
666max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
667 PROTOTYPE: $ 953 PROTOTYPE: $
668 CODE: 954 CODE:
669 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
670 956
671void 957void
672max_idle (int nthreads) 958max_idle (unsigned int nthreads)
673 PROTOTYPE: $ 959 PROTOTYPE: $
674 CODE: 960 CODE:
675 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
676 962
677void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
678max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
679 PROTOTYPE: $ 971 PROTOTYPE: $
680 CODE: 972 CODE:
681 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
682 974
683void 975void
684aio_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)
685 PROTOTYPE: $$$;$
686 PPCODE: 977 PPCODE:
687{ 978{
688 dREQ; 979 dREQ;
689 980
690 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
696 REQ_SEND; 987 REQ_SEND;
697} 988}
698 989
699void 990void
700aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
701 PROTOTYPE: $;$
702 ALIAS: 992 ALIAS:
703 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
705 PPCODE: 995 PPCODE:
706{ 996{
707 int fd = extract_fd (fh, 0); 997 int fd = s_fileno_croak (fh, 0);
708 dREQ; 998 dREQ;
709 999
710 req->type = ix; 1000 req->type = ix;
711 req->sv1 = newSVsv (fh); 1001 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 1002 req->int1 = fd;
… …
714 REQ_SEND (req); 1004 REQ_SEND (req);
715} 1005}
716 1006
717void 1007void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$$$;$
720 PPCODE: 1009 PPCODE:
721{ 1010{
722 int fd = extract_fd (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
723 dREQ; 1012 dREQ;
724 1013
725 req->type = EIO_SYNC_FILE_RANGE; 1014 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 1015 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 1016 req->int1 = fd;
… …
732 REQ_SEND (req); 1021 REQ_SEND (req);
733} 1022}
734 1023
735void 1024void
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_close (SV *fh, SV *callback=&PL_sv_undef)
737 PROTOTYPE: $;$
738 PPCODE: 1026 PPCODE:
739{ 1027{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
741 int fd = extract_fd (fh, 0); 1029 int fd = s_fileno_croak (fh, 0);
742 dREQ; 1030 dREQ;
743 1031
744 if (close_pipe < 0) 1032 if (close_pipe < 0)
745 { 1033 {
746 int pipefd [2]; 1034 int pipefd [2];
… …
764void 1052void
765aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
766 ALIAS: 1054 ALIAS:
767 aio_read = EIO_READ 1055 aio_read = EIO_READ
768 aio_write = EIO_WRITE 1056 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$
770 PPCODE: 1057 PPCODE:
771{ 1058{
772 STRLEN svlen; 1059 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 1060 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 1061 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 1062 UV len = SvUV (length);
776 1063
777 if (dataoffset < 0) 1064 if (dataoffset < 0)
778 dataoffset += svlen; 1065 dataoffset += svlen;
… …
815 } 1102 }
816} 1103}
817 1104
818void 1105void
819aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
820 PROTOTYPE: $$;$ 1107 ALIAS:
1108 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH
821 PPCODE: 1110 PPCODE:
822{ 1111{
823 SV *data; 1112 SV *data;
824 dREQ; 1113 dREQ;
825 1114
826 req->type = EIO_READLINK; 1115 req->type = ix;
827 req->sv1 = newSVsv (path); 1116 req->sv1 = newSVsv (path);
828 req->ptr1 = SvPVbyte_nolen (req->sv1); 1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
829 1118
830 REQ_SEND; 1119 REQ_SEND;
831} 1120}
832 1121
833void 1122void
834aio_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)
835 PROTOTYPE: $$$$;$
836 PPCODE: 1124 PPCODE:
837{ 1125{
838 int ifd = extract_fd (in_fh , 0); 1126 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1127 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1128 dREQ;
841 1129
842 req->type = EIO_SENDFILE; 1130 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1131 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1132 req->int1 = ofd;
… …
850 REQ_SEND; 1138 REQ_SEND;
851} 1139}
852 1140
853void 1141void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
855 PROTOTYPE: $$$;$
856 PPCODE: 1143 PPCODE:
857{ 1144{
858 int fd = extract_fd (fh, 0); 1145 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1146 dREQ;
860 1147
861 req->type = EIO_READAHEAD; 1148 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1149 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1150 req->int1 = fd;
… …
868} 1155}
869 1156
870void 1157void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1158aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
872 ALIAS: 1159 ALIAS:
873 aio_stat = EIO_STAT 1160 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1161 aio_lstat = EIO_LSTAT
1162 aio_statvfs = EIO_STATVFS
875 PPCODE: 1163 PPCODE:
876{ 1164{
877 dREQ; 1165 dREQ;
878 1166
879 req->sv1 = newSVsv (fh_or_path); 1167 req->sv1 = newSVsv (fh_or_path);
… …
883 req->type = ix; 1171 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1); 1172 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 } 1173 }
886 else 1174 else
887 { 1175 {
888 req->type = EIO_FSTAT; 1176 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1177 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 } 1178 }
891 1179
892 REQ_SEND; 1180 REQ_SEND;
893} 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
894 1198
895void 1199void
896aio_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)
897 PPCODE: 1201 PPCODE:
898{ 1202{
… …
1056 1360
1057 REQ_SEND; 1361 REQ_SEND;
1058} 1362}
1059 1363
1060void 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
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 1439aio_busy (double delay, SV *callback=&PL_sv_undef)
1062 PPCODE: 1440 PPCODE:
1063{ 1441{
1064 dREQ; 1442 dREQ;
1065 1443
… …
1069 REQ_SEND; 1447 REQ_SEND;
1070} 1448}
1071 1449
1072void 1450void
1073aio_group (SV *callback=&PL_sv_undef) 1451aio_group (SV *callback=&PL_sv_undef)
1074 PROTOTYPE: ;$
1075 PPCODE: 1452 PPCODE:
1076{ 1453{
1077 dREQ; 1454 dREQ;
1078 1455
1079 req->type = EIO_GROUP; 1456 req->type = EIO_GROUP;
1080 1457
1081 req_submit (req); 1458 req_submit (req);
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1459 XPUSHs (req_sv (req, aio_grp_stash));
1083} 1460}
1084 1461
1085void 1462void
1086aio_nop (SV *callback=&PL_sv_undef) 1463aio_nop (SV *callback=&PL_sv_undef)
1087 ALIAS: 1464 ALIAS:
… …
1096 REQ_SEND; 1473 REQ_SEND;
1097} 1474}
1098 1475
1099int 1476int
1100aioreq_pri (int pri = 0) 1477aioreq_pri (int pri = 0)
1101 PROTOTYPE: ;$
1102 CODE: 1478 CODE:
1103 RETVAL = next_pri; 1479 RETVAL = next_pri;
1104 if (items > 0) 1480 if (items > 0)
1105 { 1481 {
1106 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1118 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1494 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119 next_pri = nice; 1495 next_pri = nice;
1120 1496
1121void 1497void
1122flush () 1498flush ()
1123 PROTOTYPE:
1124 CODE: 1499 CODE:
1125 while (eio_nreqs ()) 1500 while (eio_nreqs ())
1126 { 1501 {
1127 poll_wait (); 1502 poll_wait ();
1128 poll_cb (); 1503 poll_cb ();
1129 } 1504 }
1130 1505
1131int 1506int
1132poll() 1507poll ()
1133 PROTOTYPE:
1134 CODE: 1508 CODE:
1135 poll_wait (); 1509 poll_wait ();
1136 RETVAL = poll_cb (); 1510 RETVAL = poll_cb ();
1137 OUTPUT: 1511 OUTPUT:
1138 RETVAL 1512 RETVAL
1139 1513
1140int 1514int
1141poll_fileno() 1515poll_fileno ()
1142 PROTOTYPE:
1143 CODE: 1516 CODE:
1144 RETVAL = respipe [0]; 1517 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 1518 OUTPUT:
1146 RETVAL 1519 RETVAL
1147 1520
1148int 1521int
1149poll_cb(...) 1522poll_cb (...)
1150 PROTOTYPE: 1523 PROTOTYPE:
1151 CODE: 1524 CODE:
1152 RETVAL = poll_cb (); 1525 RETVAL = poll_cb ();
1153 OUTPUT: 1526 OUTPUT:
1154 RETVAL 1527 RETVAL
1155 1528
1156void 1529void
1157poll_wait() 1530poll_wait ()
1158 PROTOTYPE:
1159 CODE: 1531 CODE:
1160 poll_wait (); 1532 poll_wait ();
1161 1533
1162int 1534int
1163nreqs() 1535nreqs ()
1164 PROTOTYPE:
1165 CODE: 1536 CODE:
1166 RETVAL = eio_nreqs (); 1537 RETVAL = eio_nreqs ();
1167 OUTPUT: 1538 OUTPUT:
1168 RETVAL 1539 RETVAL
1169 1540
1170int 1541int
1171nready() 1542nready ()
1172 PROTOTYPE:
1173 CODE: 1543 CODE:
1174 RETVAL = eio_nready (); 1544 RETVAL = eio_nready ();
1175 OUTPUT: 1545 OUTPUT:
1176 RETVAL 1546 RETVAL
1177 1547
1178int 1548int
1179npending() 1549npending ()
1180 PROTOTYPE:
1181 CODE: 1550 CODE:
1182 RETVAL = eio_npending (); 1551 RETVAL = eio_npending ();
1183 OUTPUT: 1552 OUTPUT:
1184 RETVAL 1553 RETVAL
1185 1554
1186int 1555int
1187nthreads() 1556nthreads ()
1188 PROTOTYPE:
1189 CODE: 1557 CODE:
1190 RETVAL = eio_nthreads (); 1558 RETVAL = eio_nthreads ();
1191 OUTPUT: 1559 OUTPUT:
1192 RETVAL 1560 RETVAL
1193 1561
1194int 1562int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1563fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$
1197 CODE: 1564 CODE:
1198#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1565 RETVAL = posix_fadvise (fh, offset, length, advice);
1200#else
1201 RETVAL = errno = ENOSYS;
1202#endif
1203 OUTPUT: 1566 OUTPUT:
1204 RETVAL 1567 RETVAL
1205 1568
1206ssize_t 1569ssize_t
1207sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1208 PROTOTYPE: $$$$
1209 CODE: 1571 CODE:
1210 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
1211 1683
1212void _on_next_submit (SV *cb) 1684void _on_next_submit (SV *cb)
1213 CODE: 1685 CODE:
1214 SvREFCNT_dec (on_next_submit); 1686 SvREFCNT_dec (on_next_submit);
1215 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1687 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1230 if (GIMME_V != G_VOID) 1702 if (GIMME_V != G_VOID)
1231 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);
1232 1704
1233 if (items > 1) 1705 if (items > 1)
1234 { 1706 {
1235 SV *cb_cv = get_cb (callback); 1707 SV *cb_cv =get_cb (callback);
1236 1708
1237 SvREFCNT_dec (req->callback); 1709 SvREFCNT_dec (req->callback);
1238 req->callback = SvREFCNT_inc (cb_cv); 1710 req->callback = SvREFCNT_inc (cb_cv);
1239 } 1711 }
1240} 1712}

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