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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 1.176 by root, Thu Dec 2 10:04:47 2010 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
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"
119 125
120#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
122#endif 128#endif
123
124#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
125# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
126#endif 131#endif
127
128#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
129# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
130#endif 134#endif
131
132#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
133# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
134#endif 137#endif
135
136#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
137# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
138#endif 140#endif
139
140#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
141# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif
144
145#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON
216# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif
219#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235
236#ifndef PAGESIZE
237# define PAGESIZE sysconf (_SC_PAGESIZE)
142#endif 238#endif
143 239
144static int req_invoke (eio_req *req); 240static int req_invoke (eio_req *req);
145#define EIO_FINISH(req) req_invoke (req) 241#define EIO_FINISH(req) req_invoke (req)
146static void req_destroy (eio_req *grp); 242static void req_destroy (eio_req *grp);
… …
157 253
158static SV *on_next_submit; 254static SV *on_next_submit;
159static int next_pri = EIO_PRI_DEFAULT; 255static int next_pri = EIO_PRI_DEFAULT;
160static int max_outstanding; 256static int max_outstanding;
161 257
162static int respipe_osf [2], respipe [2] = { -1, -1 }; 258static s_epipe respipe;
163 259
164static void req_destroy (aio_req req); 260static void req_destroy (aio_req req);
165static void req_cancel (aio_req req); 261static void req_cancel (aio_req req);
166 262
167static void want_poll (void) 263static void want_poll (void)
168{ 264{
169 /* write a dummy byte to the pipe so fh becomes ready */ 265 /* write a dummy byte to the pipe so fh becomes ready */
170 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 266 s_epipe_signal (&respipe);
171} 267}
172 268
173static void done_poll (void) 269static void done_poll (void)
174{ 270{
175 /* read any signals sent by the worker threads */ 271 /* read any signals sent by the worker threads */
176 char buf [4]; 272 s_epipe_drain (&respipe);
177 while (respipe_read (respipe [0], buf, 4) == 4)
178 ;
179} 273}
180 274
181/* must be called at most once */ 275/* must be called at most once */
182static SV *req_sv (aio_req req, const char *klass) 276static SV *req_sv (aio_req req, HV *stash)
183{ 277{
184 if (!req->self) 278 if (!req->self)
185 { 279 {
186 req->self = (SV *)newHV (); 280 req->self = (SV *)newHV ();
187 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
188 } 282 }
189 283
190 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
191} 285}
192 286
193static aio_req SvAIO_REQ (SV *sv) 287static aio_req SvAIO_REQ (SV *sv)
194{ 288{
195 MAGIC *mg; 289 MAGIC *mg;
196 290
197 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 291 if (!SvROK (sv)
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ")))
198 croak ("object of class " AIO_REQ_KLASS " expected"); 295 croak ("object of class IO::AIO::REQ expected");
199 296
200 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
201 298
202 return mg ? (aio_req)mg->mg_ptr : 0; 299 return mg ? (aio_req)mg->mg_ptr : 0;
203} 300}
… …
209 dSP; 306 dSP;
210 307
211 ENTER; 308 ENTER;
212 SAVETMPS; 309 SAVETMPS;
213 PUSHMARK (SP); 310 PUSHMARK (SP);
214 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 311 XPUSHs (req_sv (grp, aio_grp_stash));
215 PUTBACK; 312 PUTBACK;
216 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 313 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
217 SPAGAIN; 314 SPAGAIN;
218 FREETMPS; 315 FREETMPS;
219 LEAVE; 316 LEAVE;
… …
237 } 334 }
238} 335}
239 336
240static int req_invoke (eio_req *req) 337static int req_invoke (eio_req *req)
241{ 338{
242 dSP;
243
244 if (req->flags & FLAG_SV2_RO_OFF) 339 if (req->flags & FLAG_SV2_RO_OFF)
245 SvREADONLY_off (req->sv2); 340 SvREADONLY_off (req->sv2);
246 341
247 if (!EIO_CANCELLED (req) && req->callback) 342 if (!EIO_CANCELLED (req) && req->callback)
248 { 343 {
344 dSP;
345 static SV *sv_result_cache; /* caches the result integer SV */
346 SV *sv_result;
347
249 ENTER; 348 ENTER;
250 SAVETMPS; 349 SAVETMPS;
251 PUSHMARK (SP); 350 PUSHMARK (SP);
252 EXTEND (SP, 1); 351 EXTEND (SP, 1);
352
353 /* do not recreate the result IV from scratch each time */
354 if (expect_true (sv_result_cache))
355 {
356 sv_result = sv_result_cache; sv_result_cache = 0;
357 SvIV_set (sv_result, req->result);
358 }
359 else
360 {
361 sv_result = newSViv (req->result);
362 SvREADONLY_on (sv_result);
363 }
253 364
254 switch (req->type) 365 switch (req->type)
255 { 366 {
256 case EIO_READDIR: 367 case EIO_READDIR:
257 { 368 {
… …
325 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 436 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
326 char sym [64]; 437 char sym [64];
327 int symlen; 438 int symlen;
328 439
329 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 440 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
330 gv_init (gv, stash, sym, symlen, 0); 441 gv_init (gv, aio_stash, sym, symlen, 0);
331 442
332 symlen = snprintf ( 443 symlen = snprintf (
333 sym, 444 sym,
334 sizeof (sym), 445 sizeof (sym),
335 "%s&=%d", 446 "%s&=%d",
… …
343 454
344 PUSHs (fh); 455 PUSHs (fh);
345 } 456 }
346 break; 457 break;
347 458
459 case EIO_STATVFS:
460 case EIO_FSTATVFS:
461 {
462 SV *rv = &PL_sv_undef;
463
464 if (req->result >= 0)
465 {
466 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
467 HV *hv = newHV ();
468
469 rv = sv_2mortal (newRV_noinc ((SV *)hv));
470
471 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
472 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
473 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
474 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
475 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
476 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
477 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
478 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
479 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
480 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
481 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
482 }
483
484 PUSHs (rv);
485 }
486
487 break;
488
348 case EIO_GROUP: 489 case EIO_GROUP:
349 req->int1 = 2; /* mark group as finished */ 490 req->int1 = 2; /* mark group as finished */
350 491
351 if (req->sv1) 492 if (req->sv1)
352 { 493 {
… …
372 case EIO_LSTAT: 513 case EIO_LSTAT:
373 case EIO_FSTAT: 514 case EIO_FSTAT:
374 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 515 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
375 PL_laststatval = req->result; 516 PL_laststatval = req->result;
376 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 517 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
377 PUSHs (sv_2mortal (newSViv (req->result))); 518 PUSHs (sv_result);
378 break; 519 break;
379 520
380 case EIO_READ: 521 case EIO_READ:
381 { 522 {
382 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 523 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
383 *SvEND (req->sv2) = 0; 524 *SvEND (req->sv2) = 0;
384 SvPOK_only (req->sv2); 525 SvPOK_only (req->sv2);
385 SvSETMAGIC (req->sv2); 526 SvSETMAGIC (req->sv2);
386 PUSHs (sv_2mortal (newSViv (req->result))); 527 PUSHs (sv_result);
387 } 528 }
388 break; 529 break;
389 530
390 case EIO_DUP2: 531 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */
391 if (req->result > 0) 532 if (req->result > 0)
392 req->result = 0; 533 SvIV_set (sv_result, 0);
393 /* FALLTHROUGH */ 534 /* FALLTHROUGH */
394 535
395 default: 536 default:
396 PUSHs (sv_2mortal (newSViv (req->result))); 537 PUSHs (sv_result);
397 break; 538 break;
398 } 539 }
399 540
400 errno = req->errorno; 541 errno = req->errorno;
401 542
402 PUTBACK; 543 PUTBACK;
403 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 544 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
404 SPAGAIN; 545 SPAGAIN;
546
547 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
548 SvREFCNT_dec (sv_result);
549 else
550 sv_result_cache = sv_result;
405 551
406 FREETMPS; 552 FREETMPS;
407 LEAVE; 553 LEAVE;
408 554
409 PUTBACK; 555 PUTBACK;
… …
438 grp->sv2 = 0; 584 grp->sv2 = 0;
439 585
440 eio_grp_cancel (grp); 586 eio_grp_cancel (grp);
441} 587}
442 588
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 589static void
450create_respipe (void) 590create_respipe (void)
451{ 591{
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)) 592 if (s_epipe_renew (&respipe))
461#endif
462 croak ("unable to initialize result pipe"); 593 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} 594}
486 595
487static void poll_wait (void) 596static void poll_wait (void)
488{ 597{
489 fd_set rfd;
490
491 while (eio_nreqs ()) 598 while (eio_nreqs ())
492 { 599 {
493 int size; 600 int size;
494 601
495 X_LOCK (reslock); 602 X_LOCK (reslock);
… …
499 if (size) 606 if (size)
500 return; 607 return;
501 608
502 etp_maybe_start_thread (); 609 etp_maybe_start_thread ();
503 610
504 FD_ZERO (&rfd); 611 s_epipe_wait (&respipe);
505 FD_SET (respipe [0], &rfd);
506
507 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
508 } 612 }
509} 613}
510 614
511static int poll_cb (void) 615static int poll_cb (void)
512{ 616{
… …
527static void atfork_child (void) 631static void atfork_child (void)
528{ 632{
529 create_respipe (); 633 create_respipe ();
530} 634}
531 635
636/*****************************************************************************/
637
638#if !_POSIX_MAPPED_FILES
639# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
640# define munmap(addr,length) (errno = ENOSYS, -1)
641# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
642# define PROT_NONE 0
643# define PROT_WRITE 0
644# define MAP_PRIVATE 0
645# define MAP_SHARED 0
646# define MAP_FIXED 0
647#endif
648
649#define MMAP_MAGIC PERL_MAGIC_ext
650
651static int
652mmap_free (pTHX_ SV *sv, MAGIC *mg)
653{
654 int old_errno = errno;
655 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
656 errno = old_errno;
657
658 mg->mg_obj = 0; /* just in case */
659
660 SvREADONLY_off (sv);
661
662 if (SvPVX (sv) != mg->mg_ptr)
663 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
664
665 SvCUR_set (sv, 0);
666 SvPVX (sv) = 0;
667 SvOK_off (sv);
668
669 return 0;
670}
671
672static MGVTBL mmap_vtbl = {
673 0, 0, 0, 0, mmap_free
674};
675
676/*****************************************************************************/
677
532static SV * 678static SV *
533get_cb (SV *cb_sv) 679get_cb (SV *cb_sv)
534{ 680{
535 HV *st; 681 SvGETMAGIC (cb_sv);
536 GV *gvp; 682 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
537 CV *cv;
538
539 if (!SvOK (cb_sv))
540 return 0;
541
542 cv = sv_2cv (cb_sv, &st, &gvp, 0);
543
544 if (!cv)
545 croak ("IO::AIO callback must be undef or a CODE reference");
546
547 return (SV *)cv;
548} 683}
549 684
550#define dREQ \ 685#define dREQ \
551 SV *cb_cv; \ 686 SV *cb_cv; \
552 aio_req req; \ 687 aio_req req; \
… …
566 PUTBACK; \ 701 PUTBACK; \
567 req_submit (req); \ 702 req_submit (req); \
568 SPAGAIN; \ 703 SPAGAIN; \
569 \ 704 \
570 if (GIMME_V != G_VOID) \ 705 if (GIMME_V != G_VOID) \
571 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 706 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}
583 707
584MODULE = IO::AIO PACKAGE = IO::AIO 708MODULE = IO::AIO PACKAGE = IO::AIO
585 709
586PROTOTYPES: ENABLE 710PROTOTYPES: ENABLE
587 711
… …
589{ 713{
590 static const struct { 714 static const struct {
591 const char *name; 715 const char *name;
592 IV iv; 716 IV iv;
593 } *civ, const_iv[] = { 717 } *civ, const_iv[] = {
594# define const_iv(name, value) { # name, (IV) value }, 718# define const_niv(name, value) { # name, (IV) value },
719# define const_iv(name) { # name, (IV) name },
595# define const_eio(name) { # name, (IV) EIO_ ## name }, 720# define const_eio(name) { # name, (IV) EIO_ ## name },
596 const_iv (EXDEV , EXDEV) 721 const_iv (EXDEV)
597 const_iv (ENOSYS , ENOSYS) 722 const_iv (ENOSYS)
598 const_iv (O_RDONLY, O_RDONLY) 723 const_iv (O_RDONLY)
599 const_iv (O_WRONLY, O_WRONLY) 724 const_iv (O_WRONLY)
725 const_iv (O_RDWR)
600 const_iv (O_CREAT , O_CREAT) 726 const_iv (O_CREAT)
601 const_iv (O_TRUNC , O_TRUNC) 727 const_iv (O_TRUNC)
728 const_iv (O_EXCL)
729 const_iv (O_APPEND)
602#ifndef _WIN32 730#ifndef _WIN32
603 const_iv (S_IFIFO , S_IFIFO) 731 const_iv (S_IFIFO)
604#endif 732#endif
605 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 733 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
606 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 734 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
607 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 735 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
608 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 736 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
609 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 737 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
610 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 738 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
739
740 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
741 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
742 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
743 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
744 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
745
746 const_iv (ST_RDONLY)
747 const_iv (ST_NOSUID)
748 const_iv (ST_NODEV)
749 const_iv (ST_NOEXEC)
750 const_iv (ST_SYNCHRONOUS)
751 const_iv (ST_MANDLOCK)
752 const_iv (ST_WRITE)
753 const_iv (ST_APPEND)
754 const_iv (ST_IMMUTABLE)
755 const_iv (ST_NOATIME)
756 const_iv (ST_NODIRATIME)
757 const_iv (ST_RELATIME)
758
759 const_iv (PROT_NONE)
760 const_iv (PROT_EXEC)
761 const_iv (PROT_READ)
762 const_iv (PROT_WRITE)
763
764 /*const_iv (MAP_FIXED)*/
765 const_iv (MAP_PRIVATE)
766 const_iv (MAP_SHARED)
767 const_iv (MAP_ANONYMOUS)
768
769 /* linuxish */
770 const_iv (MAP_HUGETLB)
771 const_iv (MAP_LOCKED)
772 const_iv (MAP_NORESERVE)
773 const_iv (MAP_POPULATE)
774 const_iv (MAP_NONBLOCK)
775
776 const_eio (MCL_FUTURE)
777 const_eio (MCL_CURRENT)
778
779 const_eio (MS_ASYNC)
780 const_eio (MS_INVALIDATE)
781 const_eio (MS_SYNC)
782
783 const_eio (MT_MODIFY)
611 784
612 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 785 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
613 const_eio (SYNC_FILE_RANGE_WRITE) 786 const_eio (SYNC_FILE_RANGE_WRITE)
614 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 787 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
615 788
… …
627 const_eio (DT_LNK) 800 const_eio (DT_LNK)
628 const_eio (DT_SOCK) 801 const_eio (DT_SOCK)
629 const_eio (DT_WHT) 802 const_eio (DT_WHT)
630 }; 803 };
631 804
632 stash = gv_stashpv ("IO::AIO", 1); 805 aio_stash = gv_stashpv ("IO::AIO" , 1);
806 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
807 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
633 808
634 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 809 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
635 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 810 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
811
812 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
636 813
637 create_respipe (); 814 create_respipe ();
638 815
639 if (eio_init (want_poll, done_poll) < 0) 816 if (eio_init (want_poll, done_poll) < 0)
640 croak ("IO::AIO: unable to initialise eio library"); 817 croak ("IO::AIO: unable to initialise eio library");
… …
679 CODE: 856 CODE:
680 max_outstanding = maxreqs; 857 max_outstanding = maxreqs;
681 858
682void 859void
683aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 860aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
684 PROTOTYPE: $$$;$
685 PPCODE: 861 PPCODE:
686{ 862{
687 dREQ; 863 dREQ;
688 864
689 req->type = EIO_OPEN; 865 req->type = EIO_OPEN;
… …
695 REQ_SEND; 871 REQ_SEND;
696} 872}
697 873
698void 874void
699aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 875aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
700 PROTOTYPE: $;$
701 ALIAS: 876 ALIAS:
702 aio_fsync = EIO_FSYNC 877 aio_fsync = EIO_FSYNC
703 aio_fdatasync = EIO_FDATASYNC 878 aio_fdatasync = EIO_FDATASYNC
704 PPCODE: 879 PPCODE:
705{ 880{
706 int fd = extract_fd (fh, 0); 881 int fd = s_fileno_croak (fh, 0);
707 dREQ; 882 dREQ;
708 883
709 req->type = ix; 884 req->type = ix;
710 req->sv1 = newSVsv (fh); 885 req->sv1 = newSVsv (fh);
711 req->int1 = fd; 886 req->int1 = fd;
… …
713 REQ_SEND (req); 888 REQ_SEND (req);
714} 889}
715 890
716void 891void
717aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 892aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
718 PROTOTYPE: $$$$;$
719 PPCODE: 893 PPCODE:
720{ 894{
721 int fd = extract_fd (fh, 0); 895 int fd = s_fileno_croak (fh, 0);
722 dREQ; 896 dREQ;
723 897
724 req->type = EIO_SYNC_FILE_RANGE; 898 req->type = EIO_SYNC_FILE_RANGE;
725 req->sv1 = newSVsv (fh); 899 req->sv1 = newSVsv (fh);
726 req->int1 = fd; 900 req->int1 = fd;
… …
731 REQ_SEND (req); 905 REQ_SEND (req);
732} 906}
733 907
734void 908void
735aio_close (SV *fh, SV *callback=&PL_sv_undef) 909aio_close (SV *fh, SV *callback=&PL_sv_undef)
736 PROTOTYPE: $;$
737 PPCODE: 910 PPCODE:
738{ 911{
739 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 912 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
740 int fd = extract_fd (fh, 0); 913 int fd = s_fileno_croak (fh, 0);
741 dREQ; 914 dREQ;
742 915
743 if (close_pipe < 0) 916 if (close_pipe < 0)
744 { 917 {
745 int pipefd [2]; 918 int pipefd [2];
… …
763void 936void
764aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 937aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
765 ALIAS: 938 ALIAS:
766 aio_read = EIO_READ 939 aio_read = EIO_READ
767 aio_write = EIO_WRITE 940 aio_write = EIO_WRITE
768 PROTOTYPE: $$$$$;$
769 PPCODE: 941 PPCODE:
770{ 942{
771 STRLEN svlen; 943 STRLEN svlen;
772 int fd = extract_fd (fh, ix == EIO_WRITE); 944 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
773 char *svptr = SvPVbyte (data, svlen); 945 char *svptr = SvPVbyte (data, svlen);
774 UV len = SvUV (length); 946 UV len = SvUV (length);
775 947
776 if (dataoffset < 0) 948 if (dataoffset < 0)
777 dataoffset += svlen; 949 dataoffset += svlen;
… …
814 } 986 }
815} 987}
816 988
817void 989void
818aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 990aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
819 PROTOTYPE: $$;$
820 PPCODE: 991 PPCODE:
821{ 992{
822 SV *data; 993 SV *data;
823 dREQ; 994 dREQ;
824 995
… …
829 REQ_SEND; 1000 REQ_SEND;
830} 1001}
831 1002
832void 1003void
833aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1004aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
834 PROTOTYPE: $$$$;$
835 PPCODE: 1005 PPCODE:
836{ 1006{
837 int ifd = extract_fd (in_fh , 0); 1007 int ifd = s_fileno_croak (in_fh , 0);
838 int ofd = extract_fd (out_fh, 0); 1008 int ofd = s_fileno_croak (out_fh, 1);
839 dREQ; 1009 dREQ;
840 1010
841 req->type = EIO_SENDFILE; 1011 req->type = EIO_SENDFILE;
842 req->sv1 = newSVsv (out_fh); 1012 req->sv1 = newSVsv (out_fh);
843 req->int1 = ofd; 1013 req->int1 = ofd;
… …
849 REQ_SEND; 1019 REQ_SEND;
850} 1020}
851 1021
852void 1022void
853aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1023aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
854 PROTOTYPE: $$$;$
855 PPCODE: 1024 PPCODE:
856{ 1025{
857 int fd = extract_fd (fh, 0); 1026 int fd = s_fileno_croak (fh, 0);
858 dREQ; 1027 dREQ;
859 1028
860 req->type = EIO_READAHEAD; 1029 req->type = EIO_READAHEAD;
861 req->sv1 = newSVsv (fh); 1030 req->sv1 = newSVsv (fh);
862 req->int1 = fd; 1031 req->int1 = fd;
… …
867} 1036}
868 1037
869void 1038void
870aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1039aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
871 ALIAS: 1040 ALIAS:
872 aio_stat = EIO_STAT 1041 aio_stat = EIO_STAT
873 aio_lstat = EIO_LSTAT 1042 aio_lstat = EIO_LSTAT
1043 aio_statvfs = EIO_STATVFS
874 PPCODE: 1044 PPCODE:
875{ 1045{
876 dREQ; 1046 dREQ;
877 1047
878 req->sv1 = newSVsv (fh_or_path); 1048 req->sv1 = newSVsv (fh_or_path);
… …
882 req->type = ix; 1052 req->type = ix;
883 req->ptr1 = SvPVbyte_nolen (req->sv1); 1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
884 } 1054 }
885 else 1055 else
886 { 1056 {
887 req->type = EIO_FSTAT; 1057 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
888 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1058 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
889 } 1059 }
890 1060
891 REQ_SEND; 1061 REQ_SEND;
892} 1062}
… …
1055 1225
1056 REQ_SEND; 1226 REQ_SEND;
1057} 1227}
1058 1228
1059void 1229void
1230aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1231 ALIAS:
1232 aio_mtouch = EIO_MTOUCH
1233 aio_msync = EIO_MSYNC
1234 PPCODE:
1235{
1236 STRLEN svlen;
1237 char *svptr = SvPVbyte (data, svlen);
1238 UV len = SvUV (length);
1239
1240 if (offset < 0)
1241 offset += svlen;
1242
1243 if (offset < 0 || offset > svlen)
1244 croak ("offset outside of scalar");
1245
1246 if (!SvOK (length) || len + offset > svlen)
1247 len = svlen - offset;
1248
1249 {
1250 dREQ;
1251
1252 req->type = ix;
1253 req->sv2 = SvREFCNT_inc (data);
1254 req->ptr2 = (char *)svptr + offset;
1255 req->size = len;
1256 req->int1 = flags;
1257
1258 REQ_SEND;
1259 }
1260}
1261
1262void
1263aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1264 PPCODE:
1265{
1266 STRLEN svlen;
1267 char *svptr = SvPVbyte (data, svlen);
1268 UV len = SvUV (length);
1269
1270 if (offset < 0)
1271 offset += svlen;
1272
1273 if (offset < 0 || offset > svlen)
1274 croak ("offset outside of scalar");
1275
1276 if (!SvOK (length) || len + offset > svlen)
1277 len = svlen - offset;
1278
1279 {
1280 dREQ;
1281
1282 req->type = EIO_MLOCK;
1283 req->sv2 = SvREFCNT_inc (data);
1284 req->ptr2 = (char *)svptr + offset;
1285 req->size = len;
1286
1287 REQ_SEND;
1288 }
1289}
1290
1291void
1292aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1293 PPCODE:
1294{
1295 dREQ;
1296
1297 req->type = EIO_MLOCKALL;
1298 req->int1 = flags;
1299
1300 REQ_SEND;
1301}
1302
1303void
1060aio_busy (double delay, SV *callback=&PL_sv_undef) 1304aio_busy (double delay, SV *callback=&PL_sv_undef)
1061 PPCODE: 1305 PPCODE:
1062{ 1306{
1063 dREQ; 1307 dREQ;
1064 1308
… …
1068 REQ_SEND; 1312 REQ_SEND;
1069} 1313}
1070 1314
1071void 1315void
1072aio_group (SV *callback=&PL_sv_undef) 1316aio_group (SV *callback=&PL_sv_undef)
1073 PROTOTYPE: ;$
1074 PPCODE: 1317 PPCODE:
1075{ 1318{
1076 dREQ; 1319 dREQ;
1077 1320
1078 req->type = EIO_GROUP; 1321 req->type = EIO_GROUP;
1079 1322
1080 req_submit (req); 1323 req_submit (req);
1081 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1324 XPUSHs (req_sv (req, aio_grp_stash));
1082} 1325}
1083 1326
1084void 1327void
1085aio_nop (SV *callback=&PL_sv_undef) 1328aio_nop (SV *callback=&PL_sv_undef)
1086 ALIAS: 1329 ALIAS:
… …
1095 REQ_SEND; 1338 REQ_SEND;
1096} 1339}
1097 1340
1098int 1341int
1099aioreq_pri (int pri = 0) 1342aioreq_pri (int pri = 0)
1100 PROTOTYPE: ;$
1101 CODE: 1343 CODE:
1102 RETVAL = next_pri; 1344 RETVAL = next_pri;
1103 if (items > 0) 1345 if (items > 0)
1104 { 1346 {
1105 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1347 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1117 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1359 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1118 next_pri = nice; 1360 next_pri = nice;
1119 1361
1120void 1362void
1121flush () 1363flush ()
1122 PROTOTYPE:
1123 CODE: 1364 CODE:
1124 while (eio_nreqs ()) 1365 while (eio_nreqs ())
1125 { 1366 {
1126 poll_wait (); 1367 poll_wait ();
1127 poll_cb (); 1368 poll_cb ();
1128 } 1369 }
1129 1370
1130int 1371int
1131poll() 1372poll ()
1132 PROTOTYPE:
1133 CODE: 1373 CODE:
1134 poll_wait (); 1374 poll_wait ();
1135 RETVAL = poll_cb (); 1375 RETVAL = poll_cb ();
1136 OUTPUT: 1376 OUTPUT:
1137 RETVAL 1377 RETVAL
1138 1378
1139int 1379int
1140poll_fileno() 1380poll_fileno ()
1141 PROTOTYPE:
1142 CODE: 1381 CODE:
1143 RETVAL = respipe [0]; 1382 RETVAL = s_epipe_fd (&respipe);
1144 OUTPUT: 1383 OUTPUT:
1145 RETVAL 1384 RETVAL
1146 1385
1147int 1386int
1148poll_cb(...) 1387poll_cb (...)
1149 PROTOTYPE: 1388 PROTOTYPE:
1150 CODE: 1389 CODE:
1151 RETVAL = poll_cb (); 1390 RETVAL = poll_cb ();
1152 OUTPUT: 1391 OUTPUT:
1153 RETVAL 1392 RETVAL
1154 1393
1155void 1394void
1156poll_wait() 1395poll_wait ()
1157 PROTOTYPE:
1158 CODE: 1396 CODE:
1159 poll_wait (); 1397 poll_wait ();
1160 1398
1161int 1399int
1162nreqs() 1400nreqs ()
1163 PROTOTYPE:
1164 CODE: 1401 CODE:
1165 RETVAL = eio_nreqs (); 1402 RETVAL = eio_nreqs ();
1166 OUTPUT: 1403 OUTPUT:
1167 RETVAL 1404 RETVAL
1168 1405
1169int 1406int
1170nready() 1407nready ()
1171 PROTOTYPE:
1172 CODE: 1408 CODE:
1173 RETVAL = eio_nready (); 1409 RETVAL = eio_nready ();
1174 OUTPUT: 1410 OUTPUT:
1175 RETVAL 1411 RETVAL
1176 1412
1177int 1413int
1178npending() 1414npending ()
1179 PROTOTYPE:
1180 CODE: 1415 CODE:
1181 RETVAL = eio_npending (); 1416 RETVAL = eio_npending ();
1182 OUTPUT: 1417 OUTPUT:
1183 RETVAL 1418 RETVAL
1184 1419
1185int 1420int
1186nthreads() 1421nthreads ()
1187 PROTOTYPE:
1188 CODE: 1422 CODE:
1189 RETVAL = eio_nthreads (); 1423 RETVAL = eio_nthreads ();
1190 OUTPUT: 1424 OUTPUT:
1191 RETVAL 1425 RETVAL
1192 1426
1193int 1427int
1194fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1428fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1195 PROTOTYPE: $$$$
1196 CODE: 1429 CODE:
1197{
1198 #if _XOPEN_SOURCE >= 600
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1430 RETVAL = posix_fadvise (fh, offset, length, advice);
1200 #else
1201 RETVAL = errno = ENOSYS;
1202 #endif
1203}
1204 OUTPUT: 1431 OUTPUT:
1205 RETVAL 1432 RETVAL
1206 1433
1207ssize_t 1434ssize_t
1208sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1435sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1209 PROTOTYPE: $$$$
1210 CODE: 1436 CODE:
1211 eio_sendfile_sync (ofh, ifh, offset, count); 1437 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1438 OUTPUT:
1439 RETVAL
1440
1441void
1442mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1443 PPCODE:
1444 sv_unmagic (scalar, MMAP_MAGIC);
1445{
1446 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1447 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1448 if (addr == (void *)-1)
1449 XSRETURN_NO;
1450
1451 sv_force_normal (scalar);
1452
1453 /* we store the length in mg_obj, as namlen is I32 :/ */
1454 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1455 ->mg_obj = (SV *)length;
1456
1457 SvUPGRADE (scalar, SVt_PV); /* nop... */
1458
1459 if (!(prot & PROT_WRITE))
1460 SvREADONLY_on (scalar);
1461
1462 if (SvLEN (scalar))
1463 Safefree (SvPVX (scalar));
1464
1465 SvPVX (scalar) = (char *)addr;
1466 SvCUR_set (scalar, length);
1467 SvLEN_set (scalar, 0);
1468 SvPOK_only (scalar);
1469
1470 XSRETURN_YES;
1471}
1472
1473void
1474munmap (SV *scalar)
1475 CODE:
1476 sv_unmagic (scalar, MMAP_MAGIC);
1477
1478int
1479madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1480 ALIAS:
1481 mprotect = 1
1482 CODE:
1483{
1484 STRLEN svlen;
1485 void *addr = SvPVbyte (scalar, svlen);
1486 size_t len = SvUV (length);
1487
1488 if (offset < 0)
1489 offset += svlen;
1490
1491 if (offset < 0 || offset > svlen)
1492 croak ("offset outside of scalar");
1493
1494 if (!SvOK (length) || len + offset > svlen)
1495 len = svlen - offset;
1496
1497 addr = (void *)(((intptr_t)addr) + offset);
1498 eio_page_align (&addr, &len);
1499
1500 switch (ix)
1501 {
1502 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1503 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1504 }
1505}
1506 OUTPUT:
1507 RETVAL
1508
1509int
1510munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1511 CODE:
1512{
1513 STRLEN svlen;
1514 void *addr = SvPVbyte (scalar, svlen);
1515 size_t len = SvUV (length);
1516
1517 if (offset < 0)
1518 offset += svlen;
1519
1520 if (offset < 0 || offset > svlen)
1521 croak ("offset outside of scalar");
1522
1523 if (!SvOK (length) || len + offset > svlen)
1524 len = svlen - offset;
1525
1526 addr = (void *)(((intptr_t)addr) + offset);
1527 eio_page_align (&addr, &len);
1528#if _POSIX_MEMLOCK
1529 RETVAL = munlock (addr, len);
1530#else
1531 RETVAL = ((errno = ENOSYS), -1);
1532#endif
1533}
1534 OUTPUT:
1535 RETVAL
1536
1537int
1538munlockall ()
1539 CODE:
1540#if _POSIX_MEMLOCK
1541 munlockall ();
1542#else
1543 RETVAL = -1;
1544 errno = ENOSYS;
1545#endif
1546 OUTPUT:
1547 RETVAL
1212 1548
1213void _on_next_submit (SV *cb) 1549void _on_next_submit (SV *cb)
1214 CODE: 1550 CODE:
1215 SvREFCNT_dec (on_next_submit); 1551 SvREFCNT_dec (on_next_submit);
1216 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1552 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1231 if (GIMME_V != G_VOID) 1567 if (GIMME_V != G_VOID)
1232 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1568 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1233 1569
1234 if (items > 1) 1570 if (items > 1)
1235 { 1571 {
1236 SV *cb_cv = get_cb (callback); 1572 SV *cb_cv =get_cb (callback);
1237 1573
1238 SvREFCNT_dec (req->callback); 1574 SvREFCNT_dec (req->callback);
1239 req->callback = SvREFCNT_inc (cb_cv); 1575 req->callback = SvREFCNT_inc (cb_cv);
1240 } 1576 }
1241} 1577}

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