ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.147 by root, Mon Jun 15 05:34:49 2009 UTC vs.
Revision 1.181 by root, Tue Feb 15 03:21:41 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
… …
75 82
76#define EIO_STRUCT_STAT Stat_t 83#define EIO_STRUCT_STAT Stat_t
77 84
78/* use NV for 32 bit perls as it allows larger offsets */ 85/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8 86#if IVSIZE >= 8
87# define VAL64 IV
80# define SvVAL64 SvIV 88# define SvVAL64 SvIV
89# define newSVval64 newSViv
81#else 90#else
91# define VAL64 NV
82# define SvVAL64 SvNV 92# define SvVAL64 SvNV
93# define newSVval64 newSVnv
83#endif 94#endif
84 95
85/*****************************************************************************/ 96/*****************************************************************************/
86 97
87#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
95 106
96/*****************************************************************************/ 107/*****************************************************************************/
97 108
98static HV *stash;
99typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */
100 112
101#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 114
104#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
105 SV *callback; \ 116 SV *callback; \
106 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
107 STRLEN stroffset; \ 118 STRLEN stroffset; \
108 SV *self; 119 SV *self;
109 120
110#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
111 122
123#include "libeio/config.h"
112#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126#ifndef POSIX_FADV_NORMAL
127# define POSIX_FADV_NORMAL 0
128#endif
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
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)
273#endif
113 274
114static int req_invoke (eio_req *req); 275static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 276#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 277static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 278#define EIO_DESTROY(req) req_destroy (req)
… …
127 288
128static SV *on_next_submit; 289static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 290static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 291static int max_outstanding;
131 292
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 293static s_epipe respipe;
133 294
134static void req_destroy (aio_req req); 295static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 296static void req_cancel (aio_req req);
136 297
137static void want_poll (void) 298static void want_poll (void)
138{ 299{
139 /* write a dummy byte to the pipe so fh becomes ready */ 300 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 301 s_epipe_signal (&respipe);
141} 302}
142 303
143static void done_poll (void) 304static void done_poll (void)
144{ 305{
145 /* read any signals sent by the worker threads */ 306 /* read any signals sent by the worker threads */
146 char buf [4]; 307 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 308}
150 309
151/* must be called at most once */ 310/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 311static SV *req_sv (aio_req req, HV *stash)
153{ 312{
154 if (!req->self) 313 if (!req->self)
155 { 314 {
156 req->self = (SV *)newHV (); 315 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 317 }
159 318
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 320}
162 321
163static aio_req SvAIO_REQ (SV *sv) 322static aio_req SvAIO_REQ (SV *sv)
164{ 323{
165 MAGIC *mg; 324 MAGIC *mg;
166 325
167 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")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 330 croak ("object of class IO::AIO::REQ expected");
169 331
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 333
172 return mg ? (aio_req)mg->mg_ptr : 0; 334 return mg ? (aio_req)mg->mg_ptr : 0;
173} 335}
… …
179 dSP; 341 dSP;
180 342
181 ENTER; 343 ENTER;
182 SAVETMPS; 344 SAVETMPS;
183 PUSHMARK (SP); 345 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 346 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 347 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 348 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 349 SPAGAIN;
188 FREETMPS; 350 FREETMPS;
189 LEAVE; 351 LEAVE;
… …
207 } 369 }
208} 370}
209 371
210static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
211{ 373{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
216 376
217 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
218 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
219 ENTER; 383 ENTER;
220 SAVETMPS; 384 SAVETMPS;
221 PUSHMARK (SP); 385 PUSHMARK (SP);
222 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 }
223 400
224 switch (req->type) 401 switch (req->type)
225 { 402 {
226 case EIO_READDIR: 403 case EIO_READDIR:
227 { 404 {
… …
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
296 char sym [64]; 473 char sym [64];
297 int symlen; 474 int symlen;
298 475
299 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
300 gv_init (gv, stash, sym, symlen, 0); 477 gv_init (gv, aio_stash, sym, symlen, 0);
301 478
302 symlen = snprintf ( 479 symlen = snprintf (
303 sym, 480 sym,
304 sizeof (sym), 481 sizeof (sym),
305 "%s&=%d", 482 "%s&=%d",
… …
313 490
314 PUSHs (fh); 491 PUSHs (fh);
315 } 492 }
316 break; 493 break;
317 494
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
318 case EIO_GROUP: 525 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 526 req->int1 = 2; /* mark group as finished */
320 527
321 if (req->sv1) 528 if (req->sv1)
322 { 529 {
… …
342 case EIO_LSTAT: 549 case EIO_LSTAT:
343 case EIO_FSTAT: 550 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
345 PL_laststatval = req->result; 552 PL_laststatval = req->result;
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
348 break; 555 break;
349 556
350 case EIO_READ: 557 case EIO_READ:
351 { 558 {
352 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));
353 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
357 } 564 }
358 break; 565 break;
359 566
360 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
361 if (req->result > 0) 568 if (req->result > 0)
362 req->result = 0; 569 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
364 571
365 default: 572 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
367 break; 574 break;
368 } 575 }
369 576
370 errno = req->errorno; 577 errno = req->errorno;
371 578
372 PUTBACK; 579 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 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;
375 587
376 FREETMPS; 588 FREETMPS;
377 LEAVE; 589 LEAVE;
378 590
379 PUTBACK; 591 PUTBACK;
… …
408 grp->sv2 = 0; 620 grp->sv2 = 0;
409 621
410 eio_grp_cancel (grp); 622 eio_grp_cancel (grp);
411} 623}
412 624
413#ifdef USE_SOCKETS_AS_HANDLES
414# define TO_SOCKET(x) (win32_get_osfhandle (x))
415#else
416# define TO_SOCKET(x) (x)
417#endif
418
419static void 625static void
420create_respipe (void) 626create_respipe (void)
421{ 627{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe)) 628 if (s_epipe_renew (&respipe))
431#endif
432 croak ("unable to initialize result pipe"); 629 croak ("IO::AIO: unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455} 630}
456 631
457static void poll_wait (void) 632static void poll_wait (void)
458{ 633{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 634 while (eio_nreqs ())
462 { 635 {
463 int size; 636 int size;
464 637
465 X_LOCK (reslock); 638 X_LOCK (reslock);
… …
469 if (size) 642 if (size)
470 return; 643 return;
471 644
472 etp_maybe_start_thread (); 645 etp_maybe_start_thread ();
473 646
474 FD_ZERO (&rfd); 647 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 648 }
479} 649}
480 650
481static int poll_cb (void) 651static int poll_cb (void)
482{ 652{
… …
497static void atfork_child (void) 667static void atfork_child (void)
498{ 668{
499 create_respipe (); 669 create_respipe ();
500} 670}
501 671
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
502static SV * 717static SV *
503get_cb (SV *cb_sv) 718get_cb (SV *cb_sv)
504{ 719{
505 HV *st; 720 SvGETMAGIC (cb_sv);
506 GV *gvp; 721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
507 CV *cv;
508
509 if (!SvOK (cb_sv))
510 return 0;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 722}
519 723
520#define dREQ \ 724#define dREQ \
521 SV *cb_cv; \ 725 SV *cb_cv; \
522 aio_req req; \ 726 aio_req req; \
… …
536 PUTBACK; \ 740 PUTBACK; \
537 req_submit (req); \ 741 req_submit (req); \
538 SPAGAIN; \ 742 SPAGAIN; \
539 \ 743 \
540 if (GIMME_V != G_VOID) \ 744 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 745 XPUSHs (req_sv (req, aio_req_stash));
542
543static int
544extract_fd (SV *fh, int wr)
545{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh)));
547
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552}
553 746
554MODULE = IO::AIO PACKAGE = IO::AIO 747MODULE = IO::AIO PACKAGE = IO::AIO
555 748
556PROTOTYPES: ENABLE 749PROTOTYPES: ENABLE
557 750
… …
559{ 752{
560 static const struct { 753 static const struct {
561 const char *name; 754 const char *name;
562 IV iv; 755 IV iv;
563 } *civ, const_iv[] = { 756 } *civ, const_iv[] = {
564# 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 },
565# define const_eio(name) { # name, (IV) EIO_ ## name }, 759# define const_eio(name) { # name, (IV) EIO_ ## name },
566 const_iv (EXDEV , EXDEV) 760 const_iv (EXDEV)
567 const_iv (ENOSYS , ENOSYS) 761 const_iv (ENOSYS)
568 const_iv (O_RDONLY, O_RDONLY) 762 const_iv (O_RDONLY)
569 const_iv (O_WRONLY, O_WRONLY) 763 const_iv (O_WRONLY)
764 const_iv (O_RDWR)
570 const_iv (O_CREAT , O_CREAT) 765 const_iv (O_CREAT)
571 const_iv (O_TRUNC , O_TRUNC) 766 const_iv (O_TRUNC)
572#ifndef _WIN32 767 const_iv (O_EXCL)
768 const_iv (O_APPEND)
769
573 const_iv (S_IFIFO , S_IFIFO) 770 const_iv (S_IFIFO)
574#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
780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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)
831
575 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
576 const_eio (SYNC_FILE_RANGE_WRITE) 833 const_eio (SYNC_FILE_RANGE_WRITE)
577 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
578 835
579 const_eio (READDIR_DENTS) 836 const_eio (READDIR_DENTS)
… …
590 const_eio (DT_LNK) 847 const_eio (DT_LNK)
591 const_eio (DT_SOCK) 848 const_eio (DT_SOCK)
592 const_eio (DT_WHT) 849 const_eio (DT_WHT)
593 }; 850 };
594 851
595 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);
596 855
597 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; )
598 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));
599 860
600 create_respipe (); 861 create_respipe ();
601 862
602 if (eio_init (want_poll, done_poll) < 0) 863 if (eio_init (want_poll, done_poll) < 0)
603 croak ("IO::AIO: unable to initialise eio library"); 864 croak ("IO::AIO: unable to initialise eio library");
… …
605 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
606 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
607} 868}
608 869
609void 870void
610max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 872 PROTOTYPE: $
612 CODE: 873 CODE:
613 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
614 875
615void 876void
… …
617 PROTOTYPE: $ 878 PROTOTYPE: $
618 CODE: 879 CODE:
619 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
620 881
621void 882void
622min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 884 PROTOTYPE: $
624 CODE: 885 CODE:
625 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
626 887
627void 888void
628max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 890 PROTOTYPE: $
630 CODE: 891 CODE:
631 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
632 893
633void 894void
634max_idle (int nthreads) 895max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 896 PROTOTYPE: $
636 CODE: 897 CODE:
637 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
638 899
639void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
640max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 908 PROTOTYPE: $
642 CODE: 909 CODE:
643 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
644 911
645void 912void
646aio_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)
647 PROTOTYPE: $$$;$
648 PPCODE: 914 PPCODE:
649{ 915{
650 dREQ; 916 dREQ;
651 917
652 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
… …
658 REQ_SEND; 924 REQ_SEND;
659} 925}
660 926
661void 927void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 929 ALIAS:
665 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
667 PPCODE: 932 PPCODE:
668{ 933{
669 int fd = extract_fd (fh, 0); 934 int fd = s_fileno_croak (fh, 0);
670 dREQ; 935 dREQ;
671 936
672 req->type = ix; 937 req->type = ix;
673 req->sv1 = newSVsv (fh); 938 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 939 req->int1 = fd;
675 940
676 REQ_SEND (req); 941 REQ_SEND (req);
677} 942}
678 943
679void 944void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 946 PPCODE:
683{ 947{
684 int fd = extract_fd (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
685 dREQ; 949 dREQ;
686 950
687 req->type = EIO_SYNC_FILE_RANGE; 951 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 952 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 953 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 954 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 955 req->size = nbytes;
692 req->int2 = flags; 956 req->int2 = flags;
693 957
694 REQ_SEND (req); 958 REQ_SEND (req);
695} 959}
696 960
697void 961void
698aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $;$
700 PPCODE: 963 PPCODE:
701{ 964{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703 int fd = extract_fd (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
704 dREQ; 967 dREQ;
705 968
706 if (close_pipe < 0) 969 if (close_pipe < 0)
707 { 970 {
708 int pipefd [2]; 971 int pipefd [2];
… …
726void 989void
727aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
728 ALIAS: 991 ALIAS:
729 aio_read = EIO_READ 992 aio_read = EIO_READ
730 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 994 PPCODE:
733{ 995{
734 STRLEN svlen; 996 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 999 UV len = SvUV (length);
738 1000
739 if (dataoffset < 0) 1001 if (dataoffset < 0)
740 dataoffset += svlen; 1002 dataoffset += svlen;
… …
777 } 1039 }
778} 1040}
779 1041
780void 1042void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
782 PROTOTYPE: $$;$
783 PPCODE: 1044 PPCODE:
784{ 1045{
785 SV *data; 1046 SV *data;
786 dREQ; 1047 dREQ;
787 1048
… …
791 1052
792 REQ_SEND; 1053 REQ_SEND;
793} 1054}
794 1055
795void 1056void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV 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)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1058 PPCODE:
799{ 1059{
800 int ifd = extract_fd (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1061 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1062 dREQ;
803 1063
804 req->type = EIO_SENDFILE; 1064 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1065 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1066 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1067 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1068 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1069 req->offs = in_offset;
810 req->size = length; 1070 req->size = length;
811 1071
812 REQ_SEND; 1072 REQ_SEND;
813} 1073}
814 1074
815void 1075void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1077 PPCODE:
819{ 1078{
820 int fd = extract_fd (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1080 dREQ;
822 1081
823 req->type = EIO_READAHEAD; 1082 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1083 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1084 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1085 req->offs = offset;
827 req->size = length; 1086 req->size = length;
828 1087
829 REQ_SEND; 1088 REQ_SEND;
830} 1089}
831 1090
832void 1091void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1092aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
834 ALIAS: 1093 ALIAS:
835 aio_stat = EIO_STAT 1094 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1095 aio_lstat = EIO_LSTAT
1096 aio_statvfs = EIO_STATVFS
837 PPCODE: 1097 PPCODE:
838{ 1098{
839 dREQ; 1099 dREQ;
840 1100
841 req->sv1 = newSVsv (fh_or_path); 1101 req->sv1 = newSVsv (fh_or_path);
… …
845 req->type = ix; 1105 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1); 1106 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 } 1107 }
848 else 1108 else
849 { 1109 {
850 req->type = EIO_FSTAT; 1110 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1111 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 } 1112 }
853 1113
854 REQ_SEND; 1114 REQ_SEND;
855} 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
856 1132
857void 1133void
858aio_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)
859 PPCODE: 1135 PPCODE:
860{ 1136{
… …
1018 1294
1019 REQ_SEND; 1295 REQ_SEND;
1020} 1296}
1021 1297
1022void 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
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1024 PPCODE: 1374 PPCODE:
1025{ 1375{
1026 dREQ; 1376 dREQ;
1027 1377
… …
1031 REQ_SEND; 1381 REQ_SEND;
1032} 1382}
1033 1383
1034void 1384void
1035aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 1386 PPCODE:
1038{ 1387{
1039 dREQ; 1388 dREQ;
1040 1389
1041 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
1042 1391
1043 req_submit (req); 1392 req_submit (req);
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1393 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1394}
1046 1395
1047void 1396void
1048aio_nop (SV *callback=&PL_sv_undef) 1397aio_nop (SV *callback=&PL_sv_undef)
1049 ALIAS: 1398 ALIAS:
… …
1058 REQ_SEND; 1407 REQ_SEND;
1059} 1408}
1060 1409
1061int 1410int
1062aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1063 PROTOTYPE: ;$
1064 CODE: 1412 CODE:
1065 RETVAL = next_pri; 1413 RETVAL = next_pri;
1066 if (items > 0) 1414 if (items > 0)
1067 { 1415 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 1429 next_pri = nice;
1082 1430
1083void 1431void
1084flush () 1432flush ()
1085 PROTOTYPE:
1086 CODE: 1433 CODE:
1087 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1088 { 1435 {
1089 poll_wait (); 1436 poll_wait ();
1090 poll_cb (); 1437 poll_cb ();
1091 } 1438 }
1092 1439
1093int 1440int
1094poll() 1441poll ()
1095 PROTOTYPE:
1096 CODE: 1442 CODE:
1097 poll_wait (); 1443 poll_wait ();
1098 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1099 OUTPUT: 1445 OUTPUT:
1100 RETVAL 1446 RETVAL
1101 1447
1102int 1448int
1103poll_fileno() 1449poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 1450 CODE:
1106 RETVAL = respipe [0]; 1451 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 1452 OUTPUT:
1108 RETVAL 1453 RETVAL
1109 1454
1110int 1455int
1111poll_cb(...) 1456poll_cb (...)
1112 PROTOTYPE: 1457 PROTOTYPE:
1113 CODE: 1458 CODE:
1114 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1115 OUTPUT: 1460 OUTPUT:
1116 RETVAL 1461 RETVAL
1117 1462
1118void 1463void
1119poll_wait() 1464poll_wait ()
1120 PROTOTYPE:
1121 CODE: 1465 CODE:
1122 poll_wait (); 1466 poll_wait ();
1123 1467
1124int 1468int
1125nreqs() 1469nreqs ()
1126 PROTOTYPE:
1127 CODE: 1470 CODE:
1128 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1129 OUTPUT: 1472 OUTPUT:
1130 RETVAL 1473 RETVAL
1131 1474
1132int 1475int
1133nready() 1476nready ()
1134 PROTOTYPE:
1135 CODE: 1477 CODE:
1136 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1137 OUTPUT: 1479 OUTPUT:
1138 RETVAL 1480 RETVAL
1139 1481
1140int 1482int
1141npending() 1483npending ()
1142 PROTOTYPE:
1143 CODE: 1484 CODE:
1144 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1145 OUTPUT: 1486 OUTPUT:
1146 RETVAL 1487 RETVAL
1147 1488
1148int 1489int
1149nthreads() 1490nthreads ()
1150 PROTOTYPE:
1151 CODE: 1491 CODE:
1152 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1153 OUTPUT: 1493 OUTPUT:
1154 RETVAL 1494 RETVAL
1155 1495
1496int
1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1498 CODE:
1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1500 OUTPUT:
1501 RETVAL
1502
1503ssize_t
1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1505 CODE:
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
1617
1156void _on_next_submit (SV *cb) 1618void _on_next_submit (SV *cb)
1157 CODE: 1619 CODE:
1158 SvREFCNT_dec (on_next_submit); 1620 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1621 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 1622
… …
1174 if (GIMME_V != G_VOID) 1636 if (GIMME_V != G_VOID)
1175 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);
1176 1638
1177 if (items > 1) 1639 if (items > 1)
1178 { 1640 {
1179 SV *cb_cv = get_cb (callback); 1641 SV *cb_cv =get_cb (callback);
1180 1642
1181 SvREFCNT_dec (req->callback); 1643 SvREFCNT_dec (req->callback);
1182 req->callback = SvREFCNT_inc (cb_cv); 1644 req->callback = SvREFCNT_inc (cb_cv);
1183 } 1645 }
1184} 1646}

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines