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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 1.185 by root, Thu Jul 7 22:36:18 2011 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#include "schmorp.h"
8 10
9#include <stddef.h> 11#include <stddef.h>
10#include <stdlib.h> 12#include <stdlib.h>
11#include <errno.h> 13#include <errno.h>
12#include <sys/types.h> 14#include <sys/types.h>
13#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h>
14#include <limits.h> 17#include <limits.h>
15#include <fcntl.h> 18#include <fcntl.h>
16#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
17 24
18/* perl namespace pollution */ 25/* perl namespace pollution */
19#undef VERSION 26#undef VERSION
20 27
21#ifdef _WIN32 28#ifdef _WIN32
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
99 106
100/*****************************************************************************/ 107/*****************************************************************************/
101 108
102static HV *stash;
103typedef SV SV8; /* byte-sv, used for argument-checking */ 109typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 110typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 111typedef int aio_wfd; /* write file descriptor */
106 112
107#define AIO_REQ_KLASS "IO::AIO::REQ" 113static HV *aio_stash, *aio_req_stash, *aio_grp_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 114
110#define EIO_REQ_MEMBERS \ 115#define EIO_REQ_MEMBERS \
111 SV *callback; \ 116 SV *callback; \
112 SV *sv1, *sv2; \ 117 SV *sv1, *sv2; \
113 STRLEN stroffset; \ 118 STRLEN stroffset; \
114 SV *self; 119 SV *self;
115 120
116#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
117 122
123#include "libeio/config.h"
118#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126/* Linux/others */
127#ifndef O_ASYNC
128# define O_ASYNC 0
129#endif
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136
137/* POSIX */
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
119 171
120#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
122#endif 174#endif
123
124#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
125# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
126#endif 177#endif
127
128#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
129# define POSIX_FADV_RANDOM 0 179# define POSIX_FADV_RANDOM 0
130#endif 180#endif
131
132#ifndef POSIX_FADV_NOREUSE 181#ifndef POSIX_FADV_NOREUSE
133# define POSIX_FADV_NOREUSE 0 182# define POSIX_FADV_NOREUSE 0
134#endif 183#endif
135
136#ifndef POSIX_FADV_WILLNEED 184#ifndef POSIX_FADV_WILLNEED
137# define POSIX_FADV_WILLNEED 0 185# define POSIX_FADV_WILLNEED 0
138#endif 186#endif
139
140#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
141# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
189#endif
190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif
283
284#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON
287# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif
290#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306
307#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min))
309#endif
310#ifndef major
311# define major(dev) ((dev) >> 8)
312#endif
313#ifndef minor
314# define minor(dev) ((dev) & 0xff)
315#endif
316
317#ifndef PAGESIZE
318# define PAGESIZE sysconf (_SC_PAGESIZE)
142#endif 319#endif
143 320
144static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
145#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
146static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
… …
157 334
158static SV *on_next_submit; 335static SV *on_next_submit;
159static int next_pri = EIO_PRI_DEFAULT; 336static int next_pri = EIO_PRI_DEFAULT;
160static int max_outstanding; 337static int max_outstanding;
161 338
162static int respipe_osf [2], respipe [2] = { -1, -1 }; 339static s_epipe respipe;
163 340
164static void req_destroy (aio_req req); 341static void req_destroy (aio_req req);
165static void req_cancel (aio_req req); 342static void req_cancel (aio_req req);
166 343
167static void want_poll (void) 344static void want_poll (void)
168{ 345{
169 /* write a dummy byte to the pipe so fh becomes ready */ 346 /* write a dummy byte to the pipe so fh becomes ready */
170 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 347 s_epipe_signal (&respipe);
171} 348}
172 349
173static void done_poll (void) 350static void done_poll (void)
174{ 351{
175 /* read any signals sent by the worker threads */ 352 /* read any signals sent by the worker threads */
176 char buf [4]; 353 s_epipe_drain (&respipe);
177 while (respipe_read (respipe [0], buf, 4) == 4)
178 ;
179} 354}
180 355
181/* must be called at most once */ 356/* must be called at most once */
182static SV *req_sv (aio_req req, const char *klass) 357static SV *req_sv (aio_req req, HV *stash)
183{ 358{
184 if (!req->self) 359 if (!req->self)
185 { 360 {
186 req->self = (SV *)newHV (); 361 req->self = (SV *)newHV ();
187 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
188 } 363 }
189 364
190 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
191} 366}
192 367
193static aio_req SvAIO_REQ (SV *sv) 368static aio_req SvAIO_REQ (SV *sv)
194{ 369{
195 MAGIC *mg; 370 MAGIC *mg;
196 371
197 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 372 if (!SvROK (sv)
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ")))
198 croak ("object of class " AIO_REQ_KLASS " expected"); 376 croak ("object of class IO::AIO::REQ expected");
199 377
200 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
201 379
202 return mg ? (aio_req)mg->mg_ptr : 0; 380 return mg ? (aio_req)mg->mg_ptr : 0;
203} 381}
… …
209 dSP; 387 dSP;
210 388
211 ENTER; 389 ENTER;
212 SAVETMPS; 390 SAVETMPS;
213 PUSHMARK (SP); 391 PUSHMARK (SP);
214 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 392 XPUSHs (req_sv (grp, aio_grp_stash));
215 PUTBACK; 393 PUTBACK;
216 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 394 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
217 SPAGAIN; 395 SPAGAIN;
218 FREETMPS; 396 FREETMPS;
219 LEAVE; 397 LEAVE;
… …
237 } 415 }
238} 416}
239 417
240static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
241{ 419{
242 dSP;
243
244 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
245 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
246 422
247 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
248 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
249 ENTER; 429 ENTER;
250 SAVETMPS; 430 SAVETMPS;
251 PUSHMARK (SP); 431 PUSHMARK (SP);
252 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
253 446
254 switch (req->type) 447 switch (req->type)
255 { 448 {
256 case EIO_READDIR: 449 case EIO_READDIR:
257 { 450 {
… …
325 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
326 char sym [64]; 519 char sym [64];
327 int symlen; 520 int symlen;
328 521
329 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
330 gv_init (gv, stash, sym, symlen, 0); 523 gv_init (gv, aio_stash, sym, symlen, 0);
331 524
332 symlen = snprintf ( 525 symlen = snprintf (
333 sym, 526 sym,
334 sizeof (sym), 527 sizeof (sym),
335 "%s&=%d", 528 "%s&=%d",
… …
343 536
344 PUSHs (fh); 537 PUSHs (fh);
345 } 538 }
346 break; 539 break;
347 540
541 case EIO_STATVFS:
542 case EIO_FSTATVFS:
543 {
544 SV *rv = &PL_sv_undef;
545
546 if (req->result >= 0)
547 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 HV *hv = newHV ();
550
551 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552
553 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
554 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
555 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
556 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
557 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
558 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
559 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
560 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0);
562 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
563 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
564 }
565
566 PUSHs (rv);
567 }
568
569 break;
570
348 case EIO_GROUP: 571 case EIO_GROUP:
349 req->int1 = 2; /* mark group as finished */ 572 req->int1 = 2; /* mark group as finished */
350 573
351 if (req->sv1) 574 if (req->sv1)
352 { 575 {
… …
362 case EIO_NOP: 585 case EIO_NOP:
363 case EIO_BUSY: 586 case EIO_BUSY:
364 break; 587 break;
365 588
366 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
367 if (req->result > 0) 591 if (req->result > 0)
368 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
369 break; 593 break;
370 594
371 case EIO_STAT: 595 case EIO_STAT:
372 case EIO_LSTAT: 596 case EIO_LSTAT:
373 case EIO_FSTAT: 597 case EIO_FSTAT:
374 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
375 PL_laststatval = req->result; 599 PL_laststatval = req->result;
376 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
377 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
378 break; 602 break;
379 603
380 case EIO_READ: 604 case EIO_READ:
381 { 605 {
382 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
383 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
384 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
385 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
386 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
387 } 611 }
388 break; 612 break;
389 613
390 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
391 if (req->result > 0) 615 if (req->result > 0)
392 req->result = 0; 616 SvIV_set (sv_result, 0);
393 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
394 618
395 default: 619 default:
396 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
397 break; 621 break;
398 } 622 }
399 623
400 errno = req->errorno; 624 errno = req->errorno;
401 625
402 PUTBACK; 626 PUTBACK;
403 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
404 SPAGAIN; 628 SPAGAIN;
629
630 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
631 SvREFCNT_dec (sv_result);
632 else
633 sv_result_cache = sv_result;
405 634
406 FREETMPS; 635 FREETMPS;
407 LEAVE; 636 LEAVE;
408 637
409 PUTBACK; 638 PUTBACK;
… …
438 grp->sv2 = 0; 667 grp->sv2 = 0;
439 668
440 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
441} 670}
442 671
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
450create_respipe (void) 672static void create_respipe (void)
451{ 673{
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)) 674 if (s_epipe_renew (&respipe))
461#endif
462 croak ("unable to initialize result pipe"); 675 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} 676}
486 677
487static void poll_wait (void) 678static void poll_wait (void)
488{ 679{
489 fd_set rfd;
490
491 while (eio_nreqs ()) 680 while (eio_nreqs ())
492 { 681 {
493 int size; 682 int size;
494 683
495 X_LOCK (reslock); 684 X_LOCK (reslock);
… …
499 if (size) 688 if (size)
500 return; 689 return;
501 690
502 etp_maybe_start_thread (); 691 etp_maybe_start_thread ();
503 692
504 FD_ZERO (&rfd); 693 s_epipe_wait (&respipe);
505 FD_SET (respipe [0], &rfd);
506
507 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
508 } 694 }
509} 695}
510 696
511static int poll_cb (void) 697static int poll_cb (void)
512{ 698{
… …
527static void atfork_child (void) 713static void atfork_child (void)
528{ 714{
529 create_respipe (); 715 create_respipe ();
530} 716}
531 717
532static SV * 718/*****************************************************************************/
533get_cb (SV *cb_sv)
534{
535 HV *st;
536 GV *gvp;
537 CV *cv;
538 719
539 if (!SvOK (cb_sv)) 720#if !_POSIX_MAPPED_FILES
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
737{
738 int old_errno = errno;
739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740 errno = old_errno;
741
742 mg->mg_obj = 0; /* just in case */
743
744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
749 SvCUR_set (sv, 0);
750 SvPVX (sv) = 0;
751 SvOK_off (sv);
752
540 return 0; 753 return 0;
754}
541 755
542 cv = sv_2cv (cb_sv, &st, &gvp, 0); 756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
543 759
544 if (!cv) 760/*****************************************************************************/
545 croak ("IO::AIO callback must be undef or a CODE reference");
546 761
547 return (SV *)cv; 762static SV * get_cb (SV *cb_sv)
763{
764 SvGETMAGIC (cb_sv);
765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
548} 766}
549 767
550#define dREQ \ 768#define dREQ \
551 SV *cb_cv; \ 769 SV *cb_cv; \
552 aio_req req; \ 770 aio_req req; \
… …
566 PUTBACK; \ 784 PUTBACK; \
567 req_submit (req); \ 785 req_submit (req); \
568 SPAGAIN; \ 786 SPAGAIN; \
569 \ 787 \
570 if (GIMME_V != G_VOID) \ 788 if (GIMME_V != G_VOID) \
571 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 789 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}
583 790
584MODULE = IO::AIO PACKAGE = IO::AIO 791MODULE = IO::AIO PACKAGE = IO::AIO
585 792
586PROTOTYPES: ENABLE 793PROTOTYPES: ENABLE
587 794
… …
589{ 796{
590 static const struct { 797 static const struct {
591 const char *name; 798 const char *name;
592 IV iv; 799 IV iv;
593 } *civ, const_iv[] = { 800 } *civ, const_iv[] = {
594# define const_iv(name, value) { # name, (IV) value }, 801# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name },
595# define const_eio(name) { # name, (IV) EIO_ ## name }, 803# define const_eio(name) { # name, (IV) EIO_ ## name },
596 const_iv (EXDEV , EXDEV) 804 const_iv (EXDEV)
597 const_iv (ENOSYS , ENOSYS) 805 const_iv (ENOSYS)
598 const_iv (O_RDONLY, O_RDONLY) 806 const_iv (O_RDONLY)
599 const_iv (O_WRONLY, O_WRONLY) 807 const_iv (O_WRONLY)
808 const_iv (O_RDWR)
600 const_iv (O_CREAT , O_CREAT) 809 const_iv (O_CREAT)
601 const_iv (O_TRUNC , O_TRUNC) 810 const_iv (O_TRUNC)
602#ifndef _WIN32 811 const_iv (O_EXCL)
812 const_iv (O_APPEND)
813
814 const_iv (O_ASYNC)
815 const_iv (O_DIRECT)
816 const_iv (O_NOATIME)
817
818 const_iv (O_CLOEXEC)
819 const_iv (O_NOCTTY)
820 const_iv (O_NOFOLLOW)
821 const_iv (O_NONBLOCK)
822 const_iv (O_EXEC)
823 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC)
826 const_iv (O_RSYNC)
827 const_iv (O_SYNC)
828 const_iv (O_TTY_INIT)
829
603 const_iv (S_IFIFO , S_IFIFO) 830 const_iv (S_IFIFO)
604#endif 831 const_iv (S_IFCHR)
832 const_iv (S_IFBLK)
833 const_iv (S_IFLNK)
834 const_iv (S_IFREG)
835 const_iv (S_IFDIR)
836 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK)
838 const_iv (S_IFMT)
839
605 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
606 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
607 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
608 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
609 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
610 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
852
853 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC)
857 const_iv (ST_SYNCHRONOUS)
858 const_iv (ST_MANDLOCK)
859 const_iv (ST_WRITE)
860 const_iv (ST_APPEND)
861 const_iv (ST_IMMUTABLE)
862 const_iv (ST_NOATIME)
863 const_iv (ST_NODIRATIME)
864 const_iv (ST_RELATIME)
865
866 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC)
868 const_iv (PROT_READ)
869 const_iv (PROT_WRITE)
870
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED)
874 const_iv (MAP_ANONYMOUS)
875
876 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE)
881 const_iv (MAP_NONBLOCK)
882
883 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT)
885
886 const_eio (MS_ASYNC)
887 const_eio (MS_INVALIDATE)
888 const_eio (MS_SYNC)
889
890 const_eio (MT_MODIFY)
611 891
612 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
613 const_eio (SYNC_FILE_RANGE_WRITE) 893 const_eio (SYNC_FILE_RANGE_WRITE)
614 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895
896 const_eio (FALLOC_FL_KEEP_SIZE)
615 897
616 const_eio (READDIR_DENTS) 898 const_eio (READDIR_DENTS)
617 const_eio (READDIR_DIRS_FIRST) 899 const_eio (READDIR_DIRS_FIRST)
618 const_eio (READDIR_STAT_ORDER) 900 const_eio (READDIR_STAT_ORDER)
619 const_eio (READDIR_FOUND_UNKNOWN) 901 const_eio (READDIR_FOUND_UNKNOWN)
… …
627 const_eio (DT_LNK) 909 const_eio (DT_LNK)
628 const_eio (DT_SOCK) 910 const_eio (DT_SOCK)
629 const_eio (DT_WHT) 911 const_eio (DT_WHT)
630 }; 912 };
631 913
632 stash = gv_stashpv ("IO::AIO", 1); 914 aio_stash = gv_stashpv ("IO::AIO" , 1);
915 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
633 917
634 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 918 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
635 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
920
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
636 922
637 create_respipe (); 923 create_respipe ();
638 924
639 if (eio_init (want_poll, done_poll) < 0) 925 if (eio_init (want_poll, done_poll) < 0)
640 croak ("IO::AIO: unable to initialise eio library"); 926 croak ("IO::AIO: unable to initialise eio library");
… …
642 /* atfork child called in fifo order, so before eio's handler */ 928 /* atfork child called in fifo order, so before eio's handler */
643 X_THREAD_ATFORK (0, 0, atfork_child); 929 X_THREAD_ATFORK (0, 0, atfork_child);
644} 930}
645 931
646void 932void
647max_poll_reqs (int nreqs) 933max_poll_reqs (unsigned int nreqs)
648 PROTOTYPE: $ 934 PROTOTYPE: $
649 CODE: 935 CODE:
650 eio_set_max_poll_reqs (nreqs); 936 eio_set_max_poll_reqs (nreqs);
651 937
652void 938void
… …
654 PROTOTYPE: $ 940 PROTOTYPE: $
655 CODE: 941 CODE:
656 eio_set_max_poll_time (nseconds); 942 eio_set_max_poll_time (nseconds);
657 943
658void 944void
659min_parallel (int nthreads) 945min_parallel (unsigned int nthreads)
660 PROTOTYPE: $ 946 PROTOTYPE: $
661 CODE: 947 CODE:
662 eio_set_min_parallel (nthreads); 948 eio_set_min_parallel (nthreads);
663 949
664void 950void
665max_parallel (int nthreads) 951max_parallel (unsigned int nthreads)
666 PROTOTYPE: $ 952 PROTOTYPE: $
667 CODE: 953 CODE:
668 eio_set_max_parallel (nthreads); 954 eio_set_max_parallel (nthreads);
669 955
670void 956void
671max_idle (int nthreads) 957max_idle (unsigned int nthreads)
672 PROTOTYPE: $ 958 PROTOTYPE: $
673 CODE: 959 CODE:
674 eio_set_max_idle (nthreads); 960 eio_set_max_idle (nthreads);
675 961
676void 962void
963idle_timeout (unsigned int seconds)
964 PROTOTYPE: $
965 CODE:
966 eio_set_idle_timeout (seconds);
967
968void
677max_outstanding (int maxreqs) 969max_outstanding (unsigned int maxreqs)
678 PROTOTYPE: $ 970 PROTOTYPE: $
679 CODE: 971 CODE:
680 max_outstanding = maxreqs; 972 max_outstanding = maxreqs;
681 973
682void 974void
683aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
684 PROTOTYPE: $$$;$
685 PPCODE: 976 PPCODE:
686{ 977{
687 dREQ; 978 dREQ;
688 979
689 req->type = EIO_OPEN; 980 req->type = EIO_OPEN;
… …
695 REQ_SEND; 986 REQ_SEND;
696} 987}
697 988
698void 989void
699aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 990aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
700 PROTOTYPE: $;$
701 ALIAS: 991 ALIAS:
702 aio_fsync = EIO_FSYNC 992 aio_fsync = EIO_FSYNC
703 aio_fdatasync = EIO_FDATASYNC 993 aio_fdatasync = EIO_FDATASYNC
704 PPCODE: 994 PPCODE:
705{ 995{
706 int fd = extract_fd (fh, 0); 996 int fd = s_fileno_croak (fh, 0);
707 dREQ; 997 dREQ;
708 998
709 req->type = ix; 999 req->type = ix;
710 req->sv1 = newSVsv (fh); 1000 req->sv1 = newSVsv (fh);
711 req->int1 = fd; 1001 req->int1 = fd;
… …
713 REQ_SEND (req); 1003 REQ_SEND (req);
714} 1004}
715 1005
716void 1006void
717aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
718 PROTOTYPE: $$$$;$
719 PPCODE: 1008 PPCODE:
720{ 1009{
721 int fd = extract_fd (fh, 0); 1010 int fd = s_fileno_croak (fh, 0);
722 dREQ; 1011 dREQ;
723 1012
724 req->type = EIO_SYNC_FILE_RANGE; 1013 req->type = EIO_SYNC_FILE_RANGE;
725 req->sv1 = newSVsv (fh); 1014 req->sv1 = newSVsv (fh);
726 req->int1 = fd; 1015 req->int1 = fd;
… …
730 1019
731 REQ_SEND (req); 1020 REQ_SEND (req);
732} 1021}
733 1022
734void 1023void
1024aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1025 PPCODE:
1026{
1027 int fd = s_fileno_croak (fh, 0);
1028 dREQ;
1029
1030 req->type = EIO_FALLOCATE;
1031 req->sv1 = newSVsv (fh);
1032 req->int1 = fd;
1033 req->int2 = mode;
1034 req->offs = offset;
1035 req->size = len;
1036
1037 REQ_SEND (req);
1038}
1039
1040void
735aio_close (SV *fh, SV *callback=&PL_sv_undef) 1041aio_close (SV *fh, SV *callback=&PL_sv_undef)
736 PROTOTYPE: $;$
737 PPCODE: 1042 PPCODE:
738{ 1043{
739 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1044 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
740 int fd = extract_fd (fh, 0); 1045 int fd = s_fileno_croak (fh, 0);
741 dREQ; 1046 dREQ;
742 1047
743 if (close_pipe < 0) 1048 if (close_pipe < 0)
744 { 1049 {
745 int pipefd [2]; 1050 int pipefd [2];
… …
763void 1068void
764aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1069aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
765 ALIAS: 1070 ALIAS:
766 aio_read = EIO_READ 1071 aio_read = EIO_READ
767 aio_write = EIO_WRITE 1072 aio_write = EIO_WRITE
768 PROTOTYPE: $$$$$;$
769 PPCODE: 1073 PPCODE:
770{ 1074{
771 STRLEN svlen; 1075 STRLEN svlen;
772 int fd = extract_fd (fh, ix == EIO_WRITE); 1076 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
773 char *svptr = SvPVbyte (data, svlen); 1077 char *svptr = SvPVbyte (data, svlen);
774 UV len = SvUV (length); 1078 UV len = SvUV (length);
775 1079
776 if (dataoffset < 0) 1080 if (dataoffset < 0)
777 dataoffset += svlen; 1081 dataoffset += svlen;
… …
814 } 1118 }
815} 1119}
816 1120
817void 1121void
818aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1122aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
819 PROTOTYPE: $$;$ 1123 ALIAS:
1124 aio_readlink = EIO_READLINK
1125 aio_realpath = EIO_REALPATH
820 PPCODE: 1126 PPCODE:
821{ 1127{
822 SV *data; 1128 SV *data;
823 dREQ; 1129 dREQ;
824 1130
825 req->type = EIO_READLINK; 1131 req->type = ix;
826 req->sv1 = newSVsv (path); 1132 req->sv1 = newSVsv (path);
827 req->ptr1 = SvPVbyte_nolen (req->sv1); 1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 1134
829 REQ_SEND; 1135 REQ_SEND;
830} 1136}
831 1137
832void 1138void
833aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1139aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
834 PROTOTYPE: $$$$;$
835 PPCODE: 1140 PPCODE:
836{ 1141{
837 int ifd = extract_fd (in_fh , 0); 1142 int ifd = s_fileno_croak (in_fh , 0);
838 int ofd = extract_fd (out_fh, 0); 1143 int ofd = s_fileno_croak (out_fh, 1);
839 dREQ; 1144 dREQ;
840 1145
841 req->type = EIO_SENDFILE; 1146 req->type = EIO_SENDFILE;
842 req->sv1 = newSVsv (out_fh); 1147 req->sv1 = newSVsv (out_fh);
843 req->int1 = ofd; 1148 req->int1 = ofd;
… …
849 REQ_SEND; 1154 REQ_SEND;
850} 1155}
851 1156
852void 1157void
853aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1158aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
854 PROTOTYPE: $$$;$
855 PPCODE: 1159 PPCODE:
856{ 1160{
857 int fd = extract_fd (fh, 0); 1161 int fd = s_fileno_croak (fh, 0);
858 dREQ; 1162 dREQ;
859 1163
860 req->type = EIO_READAHEAD; 1164 req->type = EIO_READAHEAD;
861 req->sv1 = newSVsv (fh); 1165 req->sv1 = newSVsv (fh);
862 req->int1 = fd; 1166 req->int1 = fd;
… …
867} 1171}
868 1172
869void 1173void
870aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1174aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
871 ALIAS: 1175 ALIAS:
872 aio_stat = EIO_STAT 1176 aio_stat = EIO_STAT
873 aio_lstat = EIO_LSTAT 1177 aio_lstat = EIO_LSTAT
1178 aio_statvfs = EIO_STATVFS
874 PPCODE: 1179 PPCODE:
875{ 1180{
876 dREQ; 1181 dREQ;
877 1182
878 req->sv1 = newSVsv (fh_or_path); 1183 req->sv1 = newSVsv (fh_or_path);
… …
882 req->type = ix; 1187 req->type = ix;
883 req->ptr1 = SvPVbyte_nolen (req->sv1); 1188 req->ptr1 = SvPVbyte_nolen (req->sv1);
884 } 1189 }
885 else 1190 else
886 { 1191 {
887 req->type = EIO_FSTAT; 1192 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
888 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1193 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
889 } 1194 }
890 1195
891 REQ_SEND; 1196 REQ_SEND;
892} 1197}
1198
1199UV
1200major (UV dev)
1201 ALIAS:
1202 minor = 1
1203 CODE:
1204 RETVAL = ix ? major (dev) : minor (dev);
1205 OUTPUT:
1206 RETVAL
1207
1208UV
1209makedev (UV maj, UV min)
1210 CODE:
1211 RETVAL = makedev (maj, min);
1212 OUTPUT:
1213 RETVAL
893 1214
894void 1215void
895aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1216aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
896 PPCODE: 1217 PPCODE:
897{ 1218{
… …
1055 1376
1056 REQ_SEND; 1377 REQ_SEND;
1057} 1378}
1058 1379
1059void 1380void
1381aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1382 ALIAS:
1383 aio_mtouch = EIO_MTOUCH
1384 aio_msync = EIO_MSYNC
1385 PPCODE:
1386{
1387 STRLEN svlen;
1388 char *svptr = SvPVbyte (data, svlen);
1389 UV len = SvUV (length);
1390
1391 if (offset < 0)
1392 offset += svlen;
1393
1394 if (offset < 0 || offset > svlen)
1395 croak ("offset outside of scalar");
1396
1397 if (!SvOK (length) || len + offset > svlen)
1398 len = svlen - offset;
1399
1400 {
1401 dREQ;
1402
1403 req->type = ix;
1404 req->sv2 = SvREFCNT_inc (data);
1405 req->ptr2 = (char *)svptr + offset;
1406 req->size = len;
1407 req->int1 = flags;
1408
1409 REQ_SEND;
1410 }
1411}
1412
1413void
1414aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1415 PPCODE:
1416{
1417 STRLEN svlen;
1418 char *svptr = SvPVbyte (data, svlen);
1419 UV len = SvUV (length);
1420
1421 if (offset < 0)
1422 offset += svlen;
1423
1424 if (offset < 0 || offset > svlen)
1425 croak ("offset outside of scalar");
1426
1427 if (!SvOK (length) || len + offset > svlen)
1428 len = svlen - offset;
1429
1430 {
1431 dREQ;
1432
1433 req->type = EIO_MLOCK;
1434 req->sv2 = SvREFCNT_inc (data);
1435 req->ptr2 = (char *)svptr + offset;
1436 req->size = len;
1437
1438 REQ_SEND;
1439 }
1440}
1441
1442void
1443aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1444 PPCODE:
1445{
1446 dREQ;
1447
1448 req->type = EIO_MLOCKALL;
1449 req->int1 = flags;
1450
1451 REQ_SEND;
1452}
1453
1454void
1060aio_busy (double delay, SV *callback=&PL_sv_undef) 1455aio_busy (double delay, SV *callback=&PL_sv_undef)
1061 PPCODE: 1456 PPCODE:
1062{ 1457{
1063 dREQ; 1458 dREQ;
1064 1459
… …
1068 REQ_SEND; 1463 REQ_SEND;
1069} 1464}
1070 1465
1071void 1466void
1072aio_group (SV *callback=&PL_sv_undef) 1467aio_group (SV *callback=&PL_sv_undef)
1073 PROTOTYPE: ;$
1074 PPCODE: 1468 PPCODE:
1075{ 1469{
1076 dREQ; 1470 dREQ;
1077 1471
1078 req->type = EIO_GROUP; 1472 req->type = EIO_GROUP;
1079 1473
1080 req_submit (req); 1474 req_submit (req);
1081 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1475 XPUSHs (req_sv (req, aio_grp_stash));
1082} 1476}
1083 1477
1084void 1478void
1085aio_nop (SV *callback=&PL_sv_undef) 1479aio_nop (SV *callback=&PL_sv_undef)
1086 ALIAS: 1480 ALIAS:
… …
1095 REQ_SEND; 1489 REQ_SEND;
1096} 1490}
1097 1491
1098int 1492int
1099aioreq_pri (int pri = 0) 1493aioreq_pri (int pri = 0)
1100 PROTOTYPE: ;$
1101 CODE: 1494 CODE:
1102 RETVAL = next_pri; 1495 RETVAL = next_pri;
1103 if (items > 0) 1496 if (items > 0)
1104 { 1497 {
1105 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1498 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1117 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1510 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1118 next_pri = nice; 1511 next_pri = nice;
1119 1512
1120void 1513void
1121flush () 1514flush ()
1122 PROTOTYPE:
1123 CODE: 1515 CODE:
1124 while (eio_nreqs ()) 1516 while (eio_nreqs ())
1125 { 1517 {
1126 poll_wait (); 1518 poll_wait ();
1127 poll_cb (); 1519 poll_cb ();
1128 } 1520 }
1129 1521
1130int 1522int
1131poll() 1523poll ()
1132 PROTOTYPE:
1133 CODE: 1524 CODE:
1134 poll_wait (); 1525 poll_wait ();
1135 RETVAL = poll_cb (); 1526 RETVAL = poll_cb ();
1136 OUTPUT: 1527 OUTPUT:
1137 RETVAL 1528 RETVAL
1138 1529
1139int 1530int
1140poll_fileno() 1531poll_fileno ()
1141 PROTOTYPE:
1142 CODE: 1532 CODE:
1143 RETVAL = respipe [0]; 1533 RETVAL = s_epipe_fd (&respipe);
1144 OUTPUT: 1534 OUTPUT:
1145 RETVAL 1535 RETVAL
1146 1536
1147int 1537int
1148poll_cb(...) 1538poll_cb (...)
1149 PROTOTYPE: 1539 PROTOTYPE:
1150 CODE: 1540 CODE:
1151 RETVAL = poll_cb (); 1541 RETVAL = poll_cb ();
1152 OUTPUT: 1542 OUTPUT:
1153 RETVAL 1543 RETVAL
1154 1544
1155void 1545void
1156poll_wait() 1546poll_wait ()
1157 PROTOTYPE:
1158 CODE: 1547 CODE:
1159 poll_wait (); 1548 poll_wait ();
1160 1549
1161int 1550int
1162nreqs() 1551nreqs ()
1163 PROTOTYPE:
1164 CODE: 1552 CODE:
1165 RETVAL = eio_nreqs (); 1553 RETVAL = eio_nreqs ();
1166 OUTPUT: 1554 OUTPUT:
1167 RETVAL 1555 RETVAL
1168 1556
1169int 1557int
1170nready() 1558nready ()
1171 PROTOTYPE:
1172 CODE: 1559 CODE:
1173 RETVAL = eio_nready (); 1560 RETVAL = eio_nready ();
1174 OUTPUT: 1561 OUTPUT:
1175 RETVAL 1562 RETVAL
1176 1563
1177int 1564int
1178npending() 1565npending ()
1179 PROTOTYPE:
1180 CODE: 1566 CODE:
1181 RETVAL = eio_npending (); 1567 RETVAL = eio_npending ();
1182 OUTPUT: 1568 OUTPUT:
1183 RETVAL 1569 RETVAL
1184 1570
1185int 1571int
1186nthreads() 1572nthreads ()
1187 PROTOTYPE:
1188 CODE: 1573 CODE:
1189 RETVAL = eio_nthreads (); 1574 RETVAL = eio_nthreads ();
1190 OUTPUT: 1575 OUTPUT:
1191 RETVAL 1576 RETVAL
1192 1577
1193int 1578int
1194fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1579fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1195 PROTOTYPE: $$$$
1196 CODE: 1580 CODE:
1197{
1198 #if _XOPEN_SOURCE >= 600
1199 RETVAL = posix_fadvise (fh, offset, length, advice); 1581 RETVAL = posix_fadvise (fh, offset, length, advice);
1200 #else
1201 RETVAL = errno = ENOSYS;
1202 #endif
1203}
1204 OUTPUT: 1582 OUTPUT:
1205 RETVAL 1583 RETVAL
1206 1584
1207ssize_t 1585ssize_t
1208sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1586sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1209 PROTOTYPE: $$$$
1210 CODE: 1587 CODE:
1211 eio_sendfile_sync (ofh, ifh, offset, count); 1588 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1589 OUTPUT:
1590 RETVAL
1591
1592void
1593mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1594 PPCODE:
1595 sv_unmagic (scalar, MMAP_MAGIC);
1596{
1597 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1598 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1599 if (addr == (void *)-1)
1600 XSRETURN_NO;
1601
1602 sv_force_normal (scalar);
1603
1604 /* we store the length in mg_obj, as namlen is I32 :/ */
1605 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1606 ->mg_obj = (SV *)length;
1607
1608 SvUPGRADE (scalar, SVt_PV); /* nop... */
1609
1610 if (!(prot & PROT_WRITE))
1611 SvREADONLY_on (scalar);
1612
1613 if (SvLEN (scalar))
1614 Safefree (SvPVX (scalar));
1615
1616 SvPVX (scalar) = (char *)addr;
1617 SvCUR_set (scalar, length);
1618 SvLEN_set (scalar, 0);
1619 SvPOK_only (scalar);
1620
1621 XSRETURN_YES;
1622}
1623
1624void
1625munmap (SV *scalar)
1626 CODE:
1627 sv_unmagic (scalar, MMAP_MAGIC);
1628
1629int
1630madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1631 ALIAS:
1632 mprotect = 1
1633 CODE:
1634{
1635 STRLEN svlen;
1636 void *addr = SvPVbyte (scalar, svlen);
1637 size_t len = SvUV (length);
1638
1639 if (offset < 0)
1640 offset += svlen;
1641
1642 if (offset < 0 || offset > svlen)
1643 croak ("offset outside of scalar");
1644
1645 if (!SvOK (length) || len + offset > svlen)
1646 len = svlen - offset;
1647
1648 addr = (void *)(((intptr_t)addr) + offset);
1649 eio_page_align (&addr, &len);
1650
1651 switch (ix)
1652 {
1653 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1654 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1655 }
1656}
1657 OUTPUT:
1658 RETVAL
1659
1660int
1661munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1662 CODE:
1663{
1664 STRLEN svlen;
1665 void *addr = SvPVbyte (scalar, svlen);
1666 size_t len = SvUV (length);
1667
1668 if (offset < 0)
1669 offset += svlen;
1670
1671 if (offset < 0 || offset > svlen)
1672 croak ("offset outside of scalar");
1673
1674 if (!SvOK (length) || len + offset > svlen)
1675 len = svlen - offset;
1676
1677 addr = (void *)(((intptr_t)addr) + offset);
1678 eio_page_align (&addr, &len);
1679#if _POSIX_MEMLOCK_RANGE
1680 RETVAL = munlock (addr, len);
1681#else
1682 RETVAL = ((errno = ENOSYS), -1);
1683#endif
1684}
1685 OUTPUT:
1686 RETVAL
1687
1688int
1689munlockall ()
1690 CODE:
1691#if _POSIX_MEMLOCK
1692 munlockall ();
1693#else
1694 RETVAL = -1;
1695 errno = ENOSYS;
1696#endif
1697 OUTPUT:
1698 RETVAL
1212 1699
1213void _on_next_submit (SV *cb) 1700void _on_next_submit (SV *cb)
1214 CODE: 1701 CODE:
1215 SvREFCNT_dec (on_next_submit); 1702 SvREFCNT_dec (on_next_submit);
1216 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1703 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1231 if (GIMME_V != G_VOID) 1718 if (GIMME_V != G_VOID)
1232 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1719 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1233 1720
1234 if (items > 1) 1721 if (items > 1)
1235 { 1722 {
1236 SV *cb_cv = get_cb (callback); 1723 SV *cb_cv =get_cb (callback);
1237 1724
1238 SvREFCNT_dec (req->callback); 1725 SvREFCNT_dec (req->callback);
1239 req->callback = SvREFCNT_inc (cb_cv); 1726 req->callback = SvREFCNT_inc (cb_cv);
1240 } 1727 }
1241} 1728}

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