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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 1.181 by root, Tue Feb 15 03:21:41 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"
121 125
122#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif 128#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
129#endif 131#endif
130
131#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
133#endif 134#endif
134
135#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
137#endif 137#endif
138
139#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
141#endif 140#endif
142
143#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
144# 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 S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif
237
238#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON
241# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif
244#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
269#endif
270
271#ifndef PAGESIZE
272# define PAGESIZE sysconf (_SC_PAGESIZE)
145#endif 273#endif
146 274
147static int req_invoke (eio_req *req); 275static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 276#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 277static void req_destroy (eio_req *grp);
… …
160 288
161static SV *on_next_submit; 289static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 290static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 291static int max_outstanding;
164 292
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 293static s_epipe respipe;
166 294
167static void req_destroy (aio_req req); 295static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 296static void req_cancel (aio_req req);
169 297
170static void want_poll (void) 298static void want_poll (void)
171{ 299{
172 /* write a dummy byte to the pipe so fh becomes ready */ 300 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 301 s_epipe_signal (&respipe);
174} 302}
175 303
176static void done_poll (void) 304static void done_poll (void)
177{ 305{
178 /* read any signals sent by the worker threads */ 306 /* read any signals sent by the worker threads */
179 char buf [4]; 307 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 308}
183 309
184/* must be called at most once */ 310/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 311static SV *req_sv (aio_req req, HV *stash)
186{ 312{
187 if (!req->self) 313 if (!req->self)
188 { 314 {
189 req->self = (SV *)newHV (); 315 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 317 }
192 318
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 320}
195 321
196static aio_req SvAIO_REQ (SV *sv) 322static aio_req SvAIO_REQ (SV *sv)
197{ 323{
198 MAGIC *mg; 324 MAGIC *mg;
199 325
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 326 if (!SvROK (sv)
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 330 croak ("object of class IO::AIO::REQ expected");
202 331
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 333
205 return mg ? (aio_req)mg->mg_ptr : 0; 334 return mg ? (aio_req)mg->mg_ptr : 0;
206} 335}
… …
212 dSP; 341 dSP;
213 342
214 ENTER; 343 ENTER;
215 SAVETMPS; 344 SAVETMPS;
216 PUSHMARK (SP); 345 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 346 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 347 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 348 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 349 SPAGAIN;
221 FREETMPS; 350 FREETMPS;
222 LEAVE; 351 LEAVE;
… …
240 } 369 }
241} 370}
242 371
243static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
244{ 373{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
249 376
250 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
251 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
252 ENTER; 383 ENTER;
253 SAVETMPS; 384 SAVETMPS;
254 PUSHMARK (SP); 385 PUSHMARK (SP);
255 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
256 400
257 switch (req->type) 401 switch (req->type)
258 { 402 {
259 case EIO_READDIR: 403 case EIO_READDIR:
260 { 404 {
… …
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
329 char sym [64]; 473 char sym [64];
330 int symlen; 474 int symlen;
331 475
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
333 gv_init (gv, stash, sym, symlen, 0); 477 gv_init (gv, aio_stash, sym, symlen, 0);
334 478
335 symlen = snprintf ( 479 symlen = snprintf (
336 sym, 480 sym,
337 sizeof (sym), 481 sizeof (sym),
338 "%s&=%d", 482 "%s&=%d",
… …
346 490
347 PUSHs (fh); 491 PUSHs (fh);
348 } 492 }
349 break; 493 break;
350 494
495 case EIO_STATVFS:
496 case EIO_FSTATVFS:
497 {
498 SV *rv = &PL_sv_undef;
499
500 if (req->result >= 0)
501 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV ();
504
505 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
509 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 }
519
520 PUSHs (rv);
521 }
522
523 break;
524
351 case EIO_GROUP: 525 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 526 req->int1 = 2; /* mark group as finished */
353 527
354 if (req->sv1) 528 if (req->sv1)
355 { 529 {
… …
375 case EIO_LSTAT: 549 case EIO_LSTAT:
376 case EIO_FSTAT: 550 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
378 PL_laststatval = req->result; 552 PL_laststatval = req->result;
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
381 break; 555 break;
382 556
383 case EIO_READ: 557 case EIO_READ:
384 { 558 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
390 } 564 }
391 break; 565 break;
392 566
393 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 568 if (req->result > 0)
395 req->result = 0; 569 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
397 571
398 default: 572 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
400 break; 574 break;
401 } 575 }
402 576
403 errno = req->errorno; 577 errno = req->errorno;
404 578
405 PUTBACK; 579 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
408 587
409 FREETMPS; 588 FREETMPS;
410 LEAVE; 589 LEAVE;
411 590
412 PUTBACK; 591 PUTBACK;
… …
441 grp->sv2 = 0; 620 grp->sv2 = 0;
442 621
443 eio_grp_cancel (grp); 622 eio_grp_cancel (grp);
444} 623}
445 624
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 625static void
453create_respipe (void) 626create_respipe (void)
454{ 627{
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)) 628 if (s_epipe_renew (&respipe))
464#endif
465 croak ("unable to initialize result pipe"); 629 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} 630}
489 631
490static void poll_wait (void) 632static void poll_wait (void)
491{ 633{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 634 while (eio_nreqs ())
495 { 635 {
496 int size; 636 int size;
497 637
498 X_LOCK (reslock); 638 X_LOCK (reslock);
… …
502 if (size) 642 if (size)
503 return; 643 return;
504 644
505 etp_maybe_start_thread (); 645 etp_maybe_start_thread ();
506 646
507 FD_ZERO (&rfd); 647 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 648 }
512} 649}
513 650
514static int poll_cb (void) 651static int poll_cb (void)
515{ 652{
… …
530static void atfork_child (void) 667static void atfork_child (void)
531{ 668{
532 create_respipe (); 669 create_respipe ();
533} 670}
534 671
672/*****************************************************************************/
673
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714
715/*****************************************************************************/
716
535static SV * 717static SV *
536get_cb (SV *cb_sv) 718get_cb (SV *cb_sv)
537{ 719{
538 HV *st; 720 SvGETMAGIC (cb_sv);
539 GV *gvp; 721 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} 722}
552 723
553#define dREQ \ 724#define dREQ \
554 SV *cb_cv; \ 725 SV *cb_cv; \
555 aio_req req; \ 726 aio_req req; \
… …
569 PUTBACK; \ 740 PUTBACK; \
570 req_submit (req); \ 741 req_submit (req); \
571 SPAGAIN; \ 742 SPAGAIN; \
572 \ 743 \
573 if (GIMME_V != G_VOID) \ 744 if (GIMME_V != G_VOID) \
574 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 745 XPUSHs (req_sv (req, aio_req_stash));
575 746
576MODULE = IO::AIO PACKAGE = IO::AIO 747MODULE = IO::AIO PACKAGE = IO::AIO
577 748
578PROTOTYPES: ENABLE 749PROTOTYPES: ENABLE
579 750
… …
581{ 752{
582 static const struct { 753 static const struct {
583 const char *name; 754 const char *name;
584 IV iv; 755 IV iv;
585 } *civ, const_iv[] = { 756 } *civ, const_iv[] = {
586# define const_iv(name, value) { # name, (IV) value }, 757# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name },
587# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
588 const_iv (EXDEV , EXDEV) 760 const_iv (EXDEV)
589 const_iv (ENOSYS , ENOSYS) 761 const_iv (ENOSYS)
590 const_iv (O_RDONLY, O_RDONLY) 762 const_iv (O_RDONLY)
591 const_iv (O_WRONLY, O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
592 const_iv (O_CREAT , O_CREAT) 765 const_iv (O_CREAT)
593 const_iv (O_TRUNC , O_TRUNC) 766 const_iv (O_TRUNC)
594#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
595 const_iv (S_IFIFO , S_IFIFO) 770 const_iv (S_IFIFO)
596#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
597 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
598 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
599 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
600 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
601 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
602 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792
793 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC)
797 const_iv (ST_SYNCHRONOUS)
798 const_iv (ST_MANDLOCK)
799 const_iv (ST_WRITE)
800 const_iv (ST_APPEND)
801 const_iv (ST_IMMUTABLE)
802 const_iv (ST_NOATIME)
803 const_iv (ST_NODIRATIME)
804 const_iv (ST_RELATIME)
805
806 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC)
808 const_iv (PROT_READ)
809 const_iv (PROT_WRITE)
810
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED)
814 const_iv (MAP_ANONYMOUS)
815
816 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK)
822
823 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT)
825
826 const_eio (MS_ASYNC)
827 const_eio (MS_INVALIDATE)
828 const_eio (MS_SYNC)
829
830 const_eio (MT_MODIFY)
603 831
604 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
605 const_eio (SYNC_FILE_RANGE_WRITE) 833 const_eio (SYNC_FILE_RANGE_WRITE)
606 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
607 835
… …
619 const_eio (DT_LNK) 847 const_eio (DT_LNK)
620 const_eio (DT_SOCK) 848 const_eio (DT_SOCK)
621 const_eio (DT_WHT) 849 const_eio (DT_WHT)
622 }; 850 };
623 851
624 stash = gv_stashpv ("IO::AIO", 1); 852 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
625 855
626 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
627 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
858
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
628 860
629 create_respipe (); 861 create_respipe ();
630 862
631 if (eio_init (want_poll, done_poll) < 0) 863 if (eio_init (want_poll, done_poll) < 0)
632 croak ("IO::AIO: unable to initialise eio library"); 864 croak ("IO::AIO: unable to initialise eio library");
… …
634 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
635 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
636} 868}
637 869
638void 870void
639max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
640 PROTOTYPE: $ 872 PROTOTYPE: $
641 CODE: 873 CODE:
642 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
643 875
644void 876void
… …
646 PROTOTYPE: $ 878 PROTOTYPE: $
647 CODE: 879 CODE:
648 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
649 881
650void 882void
651min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
652 PROTOTYPE: $ 884 PROTOTYPE: $
653 CODE: 885 CODE:
654 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
655 887
656void 888void
657max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
658 PROTOTYPE: $ 890 PROTOTYPE: $
659 CODE: 891 CODE:
660 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
661 893
662void 894void
663max_idle (int nthreads) 895max_idle (unsigned int nthreads)
664 PROTOTYPE: $ 896 PROTOTYPE: $
665 CODE: 897 CODE:
666 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
667 899
668void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
669max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
670 PROTOTYPE: $ 908 PROTOTYPE: $
671 CODE: 909 CODE:
672 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
673 911
674void 912void
675aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
676 PROTOTYPE: $$$;$
677 PPCODE: 914 PPCODE:
678{ 915{
679 dREQ; 916 dREQ;
680 917
681 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
… …
687 REQ_SEND; 924 REQ_SEND;
688} 925}
689 926
690void 927void
691aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
692 PROTOTYPE: $;$
693 ALIAS: 929 ALIAS:
694 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
695 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
696 PPCODE: 932 PPCODE:
697{ 933{
… …
705 REQ_SEND (req); 941 REQ_SEND (req);
706} 942}
707 943
708void 944void
709aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
710 PROTOTYPE: $$$$;$
711 PPCODE: 946 PPCODE:
712{ 947{
713 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
714 dREQ; 949 dREQ;
715 950
… …
723 REQ_SEND (req); 958 REQ_SEND (req);
724} 959}
725 960
726void 961void
727aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
728 PROTOTYPE: $;$
729 PPCODE: 963 PPCODE:
730{ 964{
731 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
732 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
733 dREQ; 967 dREQ;
… …
755void 989void
756aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
757 ALIAS: 991 ALIAS:
758 aio_read = EIO_READ 992 aio_read = EIO_READ
759 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
760 PROTOTYPE: $$$$$;$
761 PPCODE: 994 PPCODE:
762{ 995{
763 STRLEN svlen; 996 STRLEN svlen;
764 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
765 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
… …
806 } 1039 }
807} 1040}
808 1041
809void 1042void
810aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
811 PROTOTYPE: $$;$
812 PPCODE: 1044 PPCODE:
813{ 1045{
814 SV *data; 1046 SV *data;
815 dREQ; 1047 dREQ;
816 1048
… …
821 REQ_SEND; 1053 REQ_SEND;
822} 1054}
823 1055
824void 1056void
825aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
826 PROTOTYPE: $$$$;$
827 PPCODE: 1058 PPCODE:
828{ 1059{
829 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
830 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
831 dREQ; 1062 dREQ;
… …
841 REQ_SEND; 1072 REQ_SEND;
842} 1073}
843 1074
844void 1075void
845aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $$$;$
847 PPCODE: 1077 PPCODE:
848{ 1078{
849 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
850 dREQ; 1080 dREQ;
851 1081
… …
859} 1089}
860 1090
861void 1091void
862aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1092aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
863 ALIAS: 1093 ALIAS:
864 aio_stat = EIO_STAT 1094 aio_stat = EIO_STAT
865 aio_lstat = EIO_LSTAT 1095 aio_lstat = EIO_LSTAT
1096 aio_statvfs = EIO_STATVFS
866 PPCODE: 1097 PPCODE:
867{ 1098{
868 dREQ; 1099 dREQ;
869 1100
870 req->sv1 = newSVsv (fh_or_path); 1101 req->sv1 = newSVsv (fh_or_path);
… …
874 req->type = ix; 1105 req->type = ix;
875 req->ptr1 = SvPVbyte_nolen (req->sv1); 1106 req->ptr1 = SvPVbyte_nolen (req->sv1);
876 } 1107 }
877 else 1108 else
878 { 1109 {
879 req->type = EIO_FSTAT; 1110 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
880 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1111 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
881 } 1112 }
882 1113
883 REQ_SEND; 1114 REQ_SEND;
884} 1115}
1116
1117UV
1118major (UV dev)
1119 ALIAS:
1120 minor = 1
1121 CODE:
1122 RETVAL = ix ? major (dev) : minor (dev);
1123 OUTPUT:
1124 RETVAL
1125
1126UV
1127makedev (UV maj, UV min)
1128 CODE:
1129 RETVAL = makedev (maj, min);
1130 OUTPUT:
1131 RETVAL
885 1132
886void 1133void
887aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1134aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
888 PPCODE: 1135 PPCODE:
889{ 1136{
… …
1047 1294
1048 REQ_SEND; 1295 REQ_SEND;
1049} 1296}
1050 1297
1051void 1298void
1299aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1300 ALIAS:
1301 aio_mtouch = EIO_MTOUCH
1302 aio_msync = EIO_MSYNC
1303 PPCODE:
1304{
1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1307 UV len = SvUV (length);
1308
1309 if (offset < 0)
1310 offset += svlen;
1311
1312 if (offset < 0 || offset > svlen)
1313 croak ("offset outside of scalar");
1314
1315 if (!SvOK (length) || len + offset > svlen)
1316 len = svlen - offset;
1317
1318 {
1319 dREQ;
1320
1321 req->type = ix;
1322 req->sv2 = SvREFCNT_inc (data);
1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1325 req->int1 = flags;
1326
1327 REQ_SEND;
1328 }
1329}
1330
1331void
1332aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1333 PPCODE:
1334{
1335 STRLEN svlen;
1336 char *svptr = SvPVbyte (data, svlen);
1337 UV len = SvUV (length);
1338
1339 if (offset < 0)
1340 offset += svlen;
1341
1342 if (offset < 0 || offset > svlen)
1343 croak ("offset outside of scalar");
1344
1345 if (!SvOK (length) || len + offset > svlen)
1346 len = svlen - offset;
1347
1348 {
1349 dREQ;
1350
1351 req->type = EIO_MLOCK;
1352 req->sv2 = SvREFCNT_inc (data);
1353 req->ptr2 = (char *)svptr + offset;
1354 req->size = len;
1355
1356 REQ_SEND;
1357 }
1358}
1359
1360void
1361aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
1366 req->type = EIO_MLOCKALL;
1367 req->int1 = flags;
1368
1369 REQ_SEND;
1370}
1371
1372void
1052aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1053 PPCODE: 1374 PPCODE:
1054{ 1375{
1055 dREQ; 1376 dREQ;
1056 1377
… …
1060 REQ_SEND; 1381 REQ_SEND;
1061} 1382}
1062 1383
1063void 1384void
1064aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1065 PROTOTYPE: ;$
1066 PPCODE: 1386 PPCODE:
1067{ 1387{
1068 dREQ; 1388 dREQ;
1069 1389
1070 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
1071 1391
1072 req_submit (req); 1392 req_submit (req);
1073 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1393 XPUSHs (req_sv (req, aio_grp_stash));
1074} 1394}
1075 1395
1076void 1396void
1077aio_nop (SV *callback=&PL_sv_undef) 1397aio_nop (SV *callback=&PL_sv_undef)
1078 ALIAS: 1398 ALIAS:
… …
1087 REQ_SEND; 1407 REQ_SEND;
1088} 1408}
1089 1409
1090int 1410int
1091aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1092 PROTOTYPE: ;$
1093 CODE: 1412 CODE:
1094 RETVAL = next_pri; 1413 RETVAL = next_pri;
1095 if (items > 0) 1414 if (items > 0)
1096 { 1415 {
1097 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1109 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1110 next_pri = nice; 1429 next_pri = nice;
1111 1430
1112void 1431void
1113flush () 1432flush ()
1114 PROTOTYPE:
1115 CODE: 1433 CODE:
1116 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1117 { 1435 {
1118 poll_wait (); 1436 poll_wait ();
1119 poll_cb (); 1437 poll_cb ();
1120 } 1438 }
1121 1439
1122int 1440int
1123poll() 1441poll ()
1124 PROTOTYPE:
1125 CODE: 1442 CODE:
1126 poll_wait (); 1443 poll_wait ();
1127 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1128 OUTPUT: 1445 OUTPUT:
1129 RETVAL 1446 RETVAL
1130 1447
1131int 1448int
1132poll_fileno() 1449poll_fileno ()
1133 PROTOTYPE:
1134 CODE: 1450 CODE:
1135 RETVAL = respipe [0]; 1451 RETVAL = s_epipe_fd (&respipe);
1136 OUTPUT: 1452 OUTPUT:
1137 RETVAL 1453 RETVAL
1138 1454
1139int 1455int
1140poll_cb(...) 1456poll_cb (...)
1141 PROTOTYPE: 1457 PROTOTYPE:
1142 CODE: 1458 CODE:
1143 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1144 OUTPUT: 1460 OUTPUT:
1145 RETVAL 1461 RETVAL
1146 1462
1147void 1463void
1148poll_wait() 1464poll_wait ()
1149 PROTOTYPE:
1150 CODE: 1465 CODE:
1151 poll_wait (); 1466 poll_wait ();
1152 1467
1153int 1468int
1154nreqs() 1469nreqs ()
1155 PROTOTYPE:
1156 CODE: 1470 CODE:
1157 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1158 OUTPUT: 1472 OUTPUT:
1159 RETVAL 1473 RETVAL
1160 1474
1161int 1475int
1162nready() 1476nready ()
1163 PROTOTYPE:
1164 CODE: 1477 CODE:
1165 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1166 OUTPUT: 1479 OUTPUT:
1167 RETVAL 1480 RETVAL
1168 1481
1169int 1482int
1170npending() 1483npending ()
1171 PROTOTYPE:
1172 CODE: 1484 CODE:
1173 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1174 OUTPUT: 1486 OUTPUT:
1175 RETVAL 1487 RETVAL
1176 1488
1177int 1489int
1178nthreads() 1490nthreads ()
1179 PROTOTYPE:
1180 CODE: 1491 CODE:
1181 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1182 OUTPUT: 1493 OUTPUT:
1183 RETVAL 1494 RETVAL
1184 1495
1185int 1496int
1186fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1187 PROTOTYPE: $$$$
1188 CODE: 1498 CODE:
1189#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1190 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1191#else
1192 RETVAL = errno = ENOSYS;
1193#endif
1194 OUTPUT: 1500 OUTPUT:
1195 RETVAL 1501 RETVAL
1196 1502
1197ssize_t 1503ssize_t
1198sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1199 PROTOTYPE: $$$$
1200 CODE: 1505 CODE:
1201 eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1507 OUTPUT:
1508 RETVAL
1509
1510void
1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1512 PPCODE:
1513 sv_unmagic (scalar, MMAP_MAGIC);
1514{
1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1517 if (addr == (void *)-1)
1518 XSRETURN_NO;
1519
1520 sv_force_normal (scalar);
1521
1522 /* we store the length in mg_obj, as namlen is I32 :/ */
1523 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1524 ->mg_obj = (SV *)length;
1525
1526 SvUPGRADE (scalar, SVt_PV); /* nop... */
1527
1528 if (!(prot & PROT_WRITE))
1529 SvREADONLY_on (scalar);
1530
1531 if (SvLEN (scalar))
1532 Safefree (SvPVX (scalar));
1533
1534 SvPVX (scalar) = (char *)addr;
1535 SvCUR_set (scalar, length);
1536 SvLEN_set (scalar, 0);
1537 SvPOK_only (scalar);
1538
1539 XSRETURN_YES;
1540}
1541
1542void
1543munmap (SV *scalar)
1544 CODE:
1545 sv_unmagic (scalar, MMAP_MAGIC);
1546
1547int
1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1549 ALIAS:
1550 mprotect = 1
1551 CODE:
1552{
1553 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1556
1557 if (offset < 0)
1558 offset += svlen;
1559
1560 if (offset < 0 || offset > svlen)
1561 croak ("offset outside of scalar");
1562
1563 if (!SvOK (length) || len + offset > svlen)
1564 len = svlen - offset;
1565
1566 addr = (void *)(((intptr_t)addr) + offset);
1567 eio_page_align (&addr, &len);
1568
1569 switch (ix)
1570 {
1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1573 }
1574}
1575 OUTPUT:
1576 RETVAL
1577
1578int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1580 CODE:
1581{
1582 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length);
1585
1586 if (offset < 0)
1587 offset += svlen;
1588
1589 if (offset < 0 || offset > svlen)
1590 croak ("offset outside of scalar");
1591
1592 if (!SvOK (length) || len + offset > svlen)
1593 len = svlen - offset;
1594
1595 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len);
1597#if _POSIX_MEMLOCK_RANGE
1598 RETVAL = munlock (addr, len);
1599#else
1600 RETVAL = ((errno = ENOSYS), -1);
1601#endif
1602}
1603 OUTPUT:
1604 RETVAL
1605
1606int
1607munlockall ()
1608 CODE:
1609#if _POSIX_MEMLOCK
1610 munlockall ();
1611#else
1612 RETVAL = -1;
1613 errno = ENOSYS;
1614#endif
1615 OUTPUT:
1616 RETVAL
1202 1617
1203void _on_next_submit (SV *cb) 1618void _on_next_submit (SV *cb)
1204 CODE: 1619 CODE:
1205 SvREFCNT_dec (on_next_submit); 1620 SvREFCNT_dec (on_next_submit);
1206 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1621 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1221 if (GIMME_V != G_VOID) 1636 if (GIMME_V != G_VOID)
1222 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1637 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1223 1638
1224 if (items > 1) 1639 if (items > 1)
1225 { 1640 {
1226 SV *cb_cv = get_cb (callback); 1641 SV *cb_cv =get_cb (callback);
1227 1642
1228 SvREFCNT_dec (req->callback); 1643 SvREFCNT_dec (req->callback);
1229 req->callback = SvREFCNT_inc (cb_cv); 1644 req->callback = SvREFCNT_inc (cb_cv);
1230 } 1645 }
1231} 1646}

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