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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.134 by root, Sun Apr 19 13:05:06 2009 UTC vs.
Revision 1.184 by root, Tue Jul 5 20:34:42 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/* 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
171
172#ifndef POSIX_FADV_NORMAL
173# define POSIX_FADV_NORMAL 0
174#endif
175#ifndef POSIX_FADV_SEQUENTIAL
176# define POSIX_FADV_SEQUENTIAL 0
177#endif
178#ifndef POSIX_FADV_RANDOM
179# define POSIX_FADV_RANDOM 0
180#endif
181#ifndef POSIX_FADV_NOREUSE
182# define POSIX_FADV_NOREUSE 0
183#endif
184#ifndef POSIX_FADV_WILLNEED
185# define POSIX_FADV_WILLNEED 0
186#endif
187#ifndef POSIX_FADV_DONTNEED
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)
319#endif
113 320
114static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 324#define EIO_DESTROY(req) req_destroy (req)
… …
127 334
128static SV *on_next_submit; 335static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 336static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 337static int max_outstanding;
131 338
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 339static s_epipe respipe;
133 340
134static void req_destroy (aio_req req); 341static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 342static void req_cancel (aio_req req);
136 343
137static void want_poll (void) 344static void want_poll (void)
138{ 345{
139 /* write a dummy byte to the pipe so fh becomes ready */ 346 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 347 s_epipe_signal (&respipe);
141} 348}
142 349
143static void done_poll (void) 350static void done_poll (void)
144{ 351{
145 /* read any signals sent by the worker threads */ 352 /* read any signals sent by the worker threads */
146 char buf [4]; 353 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 354}
150 355
151/* must be called at most once */ 356/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 357static SV *req_sv (aio_req req, HV *stash)
153{ 358{
154 if (!req->self) 359 if (!req->self)
155 { 360 {
156 req->self = (SV *)newHV (); 361 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 363 }
159 364
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 366}
162 367
163static aio_req SvAIO_REQ (SV *sv) 368static aio_req SvAIO_REQ (SV *sv)
164{ 369{
165 MAGIC *mg; 370 MAGIC *mg;
166 371
167 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")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 376 croak ("object of class IO::AIO::REQ expected");
169 377
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 379
172 return mg ? (aio_req)mg->mg_ptr : 0; 380 return mg ? (aio_req)mg->mg_ptr : 0;
173} 381}
… …
179 dSP; 387 dSP;
180 388
181 ENTER; 389 ENTER;
182 SAVETMPS; 390 SAVETMPS;
183 PUSHMARK (SP); 391 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 392 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 393 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 394 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 395 SPAGAIN;
188 FREETMPS; 396 FREETMPS;
189 LEAVE; 397 LEAVE;
… …
207 } 415 }
208} 416}
209 417
210static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
211{ 419{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
216 422
217 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
218 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
219 ENTER; 429 ENTER;
220 SAVETMPS; 430 SAVETMPS;
221 PUSHMARK (SP); 431 PUSHMARK (SP);
222 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 }
223 446
224 switch (req->type) 447 switch (req->type)
225 { 448 {
226 case EIO_READDIR: 449 case EIO_READDIR:
227 { 450 {
228 SV *rv = &PL_sv_undef; 451 SV *rv = &PL_sv_undef;
229 452
230 if (req->result >= 0) 453 if (req->result >= 0)
231 { 454 {
232 int i; 455 int i;
233 char *buf = req->ptr2; 456 char *names = (char *)req->ptr2;
457 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 458 AV *av = newAV ();
235 459
236 av_extend (av, req->result - 1); 460 av_extend (av, req->result - 1);
237 461
238 for (i = 0; i < req->result; ++i) 462 for (i = 0; i < req->result; ++i)
239 { 463 {
240 SV *sv = newSVpv (buf, 0); 464 if (req->int1 & EIO_READDIR_DENTS)
465 {
466 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
241 467
468 if (req->int1 & EIO_READDIR_CUSTOM2)
469 {
470 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
471 AV *avent = newAV ();
472
473 av_extend (avent, 2);
474
475 if (!sv_type [ent->type])
476 {
477 sv_type [ent->type] = newSViv (ent->type);
478 SvREADONLY_on (sv_type [ent->type]);
479 }
480
481 av_store (avent, 0, namesv);
482 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
483 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
484
485 av_store (av, i, newRV_noinc ((SV *)avent));
486 }
487 else
242 av_store (av, i, sv); 488 av_store (av, i, namesv);
489
490 ++ent;
491 }
492 else
493 {
494 SV *name = newSVpv (names, 0);
495 av_store (av, i, name);
243 buf += SvCUR (sv) + 1; 496 names += SvCUR (name) + 1;
497 }
244 } 498 }
245 499
246 rv = sv_2mortal (newRV_noinc ((SV *)av)); 500 rv = sv_2mortal (newRV_noinc ((SV *)av));
247 } 501 }
248 502
249 PUSHs (rv); 503 PUSHs (rv);
504
505 if (req->int1 & EIO_READDIR_CUSTOM1)
506 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
250 } 507 }
251 break; 508 break;
252 509
253 case EIO_OPEN: 510 case EIO_OPEN:
254 { 511 {
… …
260 GV *gv = (GV *)sv_newmortal (); 517 GV *gv = (GV *)sv_newmortal ();
261 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
262 char sym [64]; 519 char sym [64];
263 int symlen; 520 int symlen;
264 521
265 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
266 gv_init (gv, stash, sym, symlen, 0); 523 gv_init (gv, aio_stash, sym, symlen, 0);
267 524
268 symlen = snprintf ( 525 symlen = snprintf (
269 sym, 526 sym,
270 sizeof (sym), 527 sizeof (sym),
271 "%s&=%d", 528 "%s&=%d",
272 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", 529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
273 req->result 530 (int)req->result
274 ); 531 );
275 532
276 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 533 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
277 fh = (SV *)gv; 534 fh = (SV *)gv;
278 } 535 }
279 536
280 PUSHs (fh); 537 PUSHs (fh);
281 } 538 }
539 break;
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
282 break; 569 break;
283 570
284 case EIO_GROUP: 571 case EIO_GROUP:
285 req->int1 = 2; /* mark group as finished */ 572 req->int1 = 2; /* mark group as finished */
286 573
… …
298 case EIO_NOP: 585 case EIO_NOP:
299 case EIO_BUSY: 586 case EIO_BUSY:
300 break; 587 break;
301 588
302 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
303 if (req->result > 0) 591 if (req->result > 0)
304 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
305 break; 593 break;
306 594
307 case EIO_STAT: 595 case EIO_STAT:
308 case EIO_LSTAT: 596 case EIO_LSTAT:
309 case EIO_FSTAT: 597 case EIO_FSTAT:
310 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
311 PL_laststatval = req->result; 599 PL_laststatval = req->result;
312 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
313 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
314 break; 602 break;
315 603
316 case EIO_READ: 604 case EIO_READ:
605 {
317 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));
318 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
319 PUSHs (sv_2mortal (newSViv (req->result))); 608 SvPOK_only (req->sv2);
609 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result);
611 }
320 break; 612 break;
321 613
322 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
323 if (req->result > 0) 615 if (req->result > 0)
324 req->result = 0; 616 SvIV_set (sv_result, 0);
325 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
326 618
327 default: 619 default:
328 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
329 break; 621 break;
330 } 622 }
331 623
332 errno = req->errorno; 624 errno = req->errorno;
333 625
334 PUTBACK; 626 PUTBACK;
335 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
336 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;
337 634
338 FREETMPS; 635 FREETMPS;
339 LEAVE; 636 LEAVE;
340 637
341 PUTBACK; 638 PUTBACK;
… …
370 grp->sv2 = 0; 667 grp->sv2 = 0;
371 668
372 eio_grp_cancel (grp); 669 eio_grp_cancel (grp);
373} 670}
374 671
375#ifdef USE_SOCKETS_AS_HANDLES
376# define TO_SOCKET(x) (win32_get_osfhandle (x))
377#else
378# define TO_SOCKET(x) (x)
379#endif
380
381static void
382create_respipe (void) 672static void create_respipe (void)
383{ 673{
384 int old_readfd = respipe [0];
385
386 if (respipe [1] >= 0)
387 respipe_close (TO_SOCKET (respipe [1]));
388
389#ifdef _WIN32
390 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
391#else
392 if (pipe (respipe)) 674 if (s_epipe_renew (&respipe))
393#endif
394 croak ("unable to initialize result pipe"); 675 croak ("IO::AIO: unable to initialize result pipe");
395
396 if (old_readfd >= 0)
397 {
398 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
399 croak ("unable to initialize result pipe(2)");
400
401 respipe_close (respipe [0]);
402 respipe [0] = old_readfd;
403 }
404
405#ifdef _WIN32
406 int arg = 1;
407 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
408 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
409#else
410 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
411 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
412#endif
413 croak ("unable to initialize result pipe(3)");
414
415 respipe_osf [0] = TO_SOCKET (respipe [0]);
416 respipe_osf [1] = TO_SOCKET (respipe [1]);
417} 676}
418 677
419static void poll_wait (void) 678static void poll_wait (void)
420{ 679{
421 fd_set rfd;
422
423 while (eio_nreqs ()) 680 while (eio_nreqs ())
424 { 681 {
425 int size; 682 int size;
426 683
427 X_LOCK (reslock); 684 X_LOCK (reslock);
… …
431 if (size) 688 if (size)
432 return; 689 return;
433 690
434 etp_maybe_start_thread (); 691 etp_maybe_start_thread ();
435 692
436 FD_ZERO (&rfd); 693 s_epipe_wait (&respipe);
437 FD_SET (respipe [0], &rfd);
438
439 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
440 } 694 }
441} 695}
442 696
443static int poll_cb (void) 697static int poll_cb (void)
444{ 698{
… …
459static void atfork_child (void) 713static void atfork_child (void)
460{ 714{
461 create_respipe (); 715 create_respipe ();
462} 716}
463 717
464static SV * 718/*****************************************************************************/
465get_cb (SV *cb_sv)
466{
467 HV *st;
468 GV *gvp;
469 CV *cv;
470 719
471 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
472 return 0; 753 return 0;
754}
473 755
474 cv = sv_2cv (cb_sv, &st, &gvp, 0); 756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
475 759
476 if (!cv) 760/*****************************************************************************/
477 croak ("IO::AIO callback must be undef or a CODE reference");
478 761
479 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;
480} 766}
481 767
482#define dREQ \ 768#define dREQ \
483 SV *cb_cv; \ 769 SV *cb_cv; \
484 aio_req req; \ 770 aio_req req; \
… …
498 PUTBACK; \ 784 PUTBACK; \
499 req_submit (req); \ 785 req_submit (req); \
500 SPAGAIN; \ 786 SPAGAIN; \
501 \ 787 \
502 if (GIMME_V != G_VOID) \ 788 if (GIMME_V != G_VOID) \
503 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 789 XPUSHs (req_sv (req, aio_req_stash));
504 790
505MODULE = IO::AIO PACKAGE = IO::AIO 791MODULE = IO::AIO PACKAGE = IO::AIO
506 792
507PROTOTYPES: ENABLE 793PROTOTYPES: ENABLE
508 794
509BOOT: 795BOOT:
510{ 796{
797 static const struct {
798 const char *name;
799 IV iv;
800 } *civ, const_iv[] = {
801# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name },
803# define const_eio(name) { # name, (IV) EIO_ ## name },
804 const_iv (EXDEV)
805 const_iv (ENOSYS)
806 const_iv (O_RDONLY)
807 const_iv (O_WRONLY)
808 const_iv (O_RDWR)
809 const_iv (O_CREAT)
810 const_iv (O_TRUNC)
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
830 const_iv (S_IFIFO)
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
840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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)
891
892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893 const_eio (SYNC_FILE_RANGE_WRITE)
894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895
896 const_eio (READDIR_DENTS)
897 const_eio (READDIR_DIRS_FIRST)
898 const_eio (READDIR_STAT_ORDER)
899 const_eio (READDIR_FOUND_UNKNOWN)
900
901 const_eio (DT_UNKNOWN)
902 const_eio (DT_FIFO)
903 const_eio (DT_CHR)
904 const_eio (DT_DIR)
905 const_eio (DT_BLK)
906 const_eio (DT_REG)
907 const_eio (DT_LNK)
908 const_eio (DT_SOCK)
909 const_eio (DT_WHT)
910 };
911
511 stash = gv_stashpv ("IO::AIO", 1); 912 aio_stash = gv_stashpv ("IO::AIO" , 1);
913 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
914 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
512 915
513 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 916 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
514 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 917 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
515 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
516 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
517 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
518#ifndef _WIN32
519 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
520#endif
521 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
522 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE));
523 newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE));
524 newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER));
525 918
919 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
920
526 create_respipe (); 921 create_respipe ();
527 922
528 if (eio_init (want_poll, done_poll) < 0) 923 if (eio_init (want_poll, done_poll) < 0)
529 croak ("IO::AIO: unable to initialise eio library"); 924 croak ("IO::AIO: unable to initialise eio library");
530 925
531 /* atfork child called in fifo order, so before eio's handler */ 926 /* atfork child called in fifo order, so before eio's handler */
532 X_THREAD_ATFORK (0, 0, atfork_child); 927 X_THREAD_ATFORK (0, 0, atfork_child);
533} 928}
534 929
535void 930void
536max_poll_reqs (int nreqs) 931max_poll_reqs (unsigned int nreqs)
537 PROTOTYPE: $ 932 PROTOTYPE: $
538 CODE: 933 CODE:
539 eio_set_max_poll_reqs (nreqs); 934 eio_set_max_poll_reqs (nreqs);
540 935
541void 936void
… …
543 PROTOTYPE: $ 938 PROTOTYPE: $
544 CODE: 939 CODE:
545 eio_set_max_poll_time (nseconds); 940 eio_set_max_poll_time (nseconds);
546 941
547void 942void
548min_parallel (int nthreads) 943min_parallel (unsigned int nthreads)
549 PROTOTYPE: $ 944 PROTOTYPE: $
550 CODE: 945 CODE:
551 eio_set_min_parallel (nthreads); 946 eio_set_min_parallel (nthreads);
552 947
553void 948void
554max_parallel (int nthreads) 949max_parallel (unsigned int nthreads)
555 PROTOTYPE: $ 950 PROTOTYPE: $
556 CODE: 951 CODE:
557 eio_set_max_parallel (nthreads); 952 eio_set_max_parallel (nthreads);
558 953
559void 954void
560max_idle (int nthreads) 955max_idle (unsigned int nthreads)
561 PROTOTYPE: $ 956 PROTOTYPE: $
562 CODE: 957 CODE:
563 eio_set_max_idle (nthreads); 958 eio_set_max_idle (nthreads);
564 959
565void 960void
961idle_timeout (unsigned int seconds)
962 PROTOTYPE: $
963 CODE:
964 eio_set_idle_timeout (seconds);
965
966void
566max_outstanding (int maxreqs) 967max_outstanding (unsigned int maxreqs)
567 PROTOTYPE: $ 968 PROTOTYPE: $
568 CODE: 969 CODE:
569 max_outstanding = maxreqs; 970 max_outstanding = maxreqs;
570 971
571void 972void
572aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 973aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
573 PROTOTYPE: $$$;$
574 PPCODE: 974 PPCODE:
575{ 975{
576 dREQ; 976 dREQ;
577 977
578 req->type = EIO_OPEN; 978 req->type = EIO_OPEN;
… …
584 REQ_SEND; 984 REQ_SEND;
585} 985}
586 986
587void 987void
588aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 988aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
589 PROTOTYPE: $;$
590 ALIAS: 989 ALIAS:
591 aio_fsync = EIO_FSYNC 990 aio_fsync = EIO_FSYNC
592 aio_fdatasync = EIO_FDATASYNC 991 aio_fdatasync = EIO_FDATASYNC
593 PPCODE: 992 PPCODE:
594{ 993{
994 int fd = s_fileno_croak (fh, 0);
595 dREQ; 995 dREQ;
596 996
597 req->type = ix; 997 req->type = ix;
598 req->sv1 = newSVsv (fh); 998 req->sv1 = newSVsv (fh);
599 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 999 req->int1 = fd;
600 1000
601 REQ_SEND (req); 1001 REQ_SEND (req);
602} 1002}
603 1003
604void 1004void
605aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1005aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
606 PROTOTYPE: $$$$;$
607 PPCODE: 1006 PPCODE:
608{ 1007{
1008 int fd = s_fileno_croak (fh, 0);
609 dREQ; 1009 dREQ;
610 1010
611 req->type = EIO_SYNC_FILE_RANGE; 1011 req->type = EIO_SYNC_FILE_RANGE;
612 req->sv1 = newSVsv (fh); 1012 req->sv1 = newSVsv (fh);
613 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1013 req->int1 = fd;
614 req->offs = SvVAL64 (offset); 1014 req->offs = offset;
615 req->size = SvVAL64 (nbytes); 1015 req->size = nbytes;
616 req->int2 = flags; 1016 req->int2 = flags;
617 1017
618 REQ_SEND (req); 1018 REQ_SEND (req);
619} 1019}
620 1020
621void 1021void
622aio_close (SV *fh, SV *callback=&PL_sv_undef) 1022aio_close (SV *fh, SV *callback=&PL_sv_undef)
623 PROTOTYPE: $;$
624 PPCODE: 1023 PPCODE:
625{ 1024{
626 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1025 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1026 int fd = s_fileno_croak (fh, 0);
627 dREQ; 1027 dREQ;
628 1028
629 if (close_pipe < 0) 1029 if (close_pipe < 0)
630 { 1030 {
631 int pipefd [2]; 1031 int pipefd [2];
… …
639 } 1039 }
640 1040
641 req->type = EIO_DUP2; 1041 req->type = EIO_DUP2;
642 req->int1 = close_pipe; 1042 req->int1 = close_pipe;
643 req->sv2 = newSVsv (fh); 1043 req->sv2 = newSVsv (fh);
644 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1044 req->int2 = fd;
645 1045
646 REQ_SEND (req); 1046 REQ_SEND (req);
647} 1047}
648 1048
649void 1049void
650aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1050aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
651 ALIAS: 1051 ALIAS:
652 aio_read = EIO_READ 1052 aio_read = EIO_READ
653 aio_write = EIO_WRITE 1053 aio_write = EIO_WRITE
654 PROTOTYPE: $$$$$;$
655 PPCODE: 1054 PPCODE:
656{ 1055{
657 STRLEN svlen; 1056 STRLEN svlen;
1057 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
658 char *svptr = SvPVbyte (data, svlen); 1058 char *svptr = SvPVbyte (data, svlen);
659 UV len = SvUV (length); 1059 UV len = SvUV (length);
660 int fd;
661
662 if (SvTYPE (data) > SVt_PVMG)
663 croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data));
664
665 SvUPGRADE (data, SVt_PV);
666 SvPOK_only (data);
667 1060
668 if (dataoffset < 0) 1061 if (dataoffset < 0)
669 dataoffset += svlen; 1062 dataoffset += svlen;
670 1063
671 if (dataoffset < 0 || dataoffset > svlen) 1064 if (dataoffset < 0 || dataoffset > svlen)
… …
677 if (!SvOK (length) || len + dataoffset > svlen) 1070 if (!SvOK (length) || len + dataoffset > svlen)
678 len = svlen - dataoffset; 1071 len = svlen - dataoffset;
679 } 1072 }
680 else 1073 else
681 { 1074 {
682 /* read: grow scalar as necessary */ 1075 /* read: check type and grow scalar as necessary */
1076 SvUPGRADE (data, SVt_PV);
683 svptr = SvGROW (data, len + dataoffset + 1); 1077 svptr = SvGROW (data, len + dataoffset + 1);
684 } 1078 }
685 1079
686 if (len < 0)
687 croak ("length must not be negative");
688
689 fd = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh))
690 : IoOFP (sv_2io (fh)));
691
692 if (fd < 0)
693 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
694
695 { 1080 {
696 dREQ; 1081 dREQ;
697 1082
698 req->type = ix; 1083 req->type = ix;
699 req->sv1 = newSVsv (fh); 1084 req->sv1 = newSVsv (fh);
700 req->int1 = df; 1085 req->int1 = fd;
701 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1086 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
702 req->size = len; 1087 req->size = len;
703 req->sv2 = SvREFCNT_inc (data); 1088 req->sv2 = SvREFCNT_inc (data);
704 req->ptr2 = (char *)svptr + dataoffset; 1089 req->ptr2 = (char *)svptr + dataoffset;
705 req->stroffset = dataoffset; 1090 req->stroffset = dataoffset;
… …
714 } 1099 }
715} 1100}
716 1101
717void 1102void
718aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1103aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
719 PROTOTYPE: $$;$ 1104 ALIAS:
1105 aio_readlink = EIO_READLINK
1106 aio_realpath = EIO_REALPATH
720 PPCODE: 1107 PPCODE:
721{ 1108{
722 SV *data; 1109 SV *data;
723 dREQ; 1110 dREQ;
724 1111
725 req->type = EIO_READLINK; 1112 req->type = ix;
726 req->sv1 = newSVsv (path); 1113 req->sv1 = newSVsv (path);
727 req->ptr1 = SvPVbyte_nolen (req->sv1); 1114 req->ptr1 = SvPVbyte_nolen (req->sv1);
728 1115
729 REQ_SEND; 1116 REQ_SEND;
730} 1117}
731 1118
732void 1119void
733aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1120aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
734 PROTOTYPE: $$$$;$
735 PPCODE: 1121 PPCODE:
736{ 1122{
1123 int ifd = s_fileno_croak (in_fh , 0);
1124 int ofd = s_fileno_croak (out_fh, 1);
737 dREQ; 1125 dREQ;
738 1126
739 req->type = EIO_SENDFILE; 1127 req->type = EIO_SENDFILE;
740 req->sv1 = newSVsv (out_fh); 1128 req->sv1 = newSVsv (out_fh);
741 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1129 req->int1 = ofd;
742 req->sv2 = newSVsv (in_fh); 1130 req->sv2 = newSVsv (in_fh);
743 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1131 req->int2 = ifd;
744 req->offs = SvVAL64 (in_offset); 1132 req->offs = in_offset;
745 req->size = length; 1133 req->size = length;
746 1134
747 REQ_SEND; 1135 REQ_SEND;
748} 1136}
749 1137
750void 1138void
751aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1139aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
752 PROTOTYPE: $$$;$
753 PPCODE: 1140 PPCODE:
754{ 1141{
1142 int fd = s_fileno_croak (fh, 0);
755 dREQ; 1143 dREQ;
756 1144
757 req->type = EIO_READAHEAD; 1145 req->type = EIO_READAHEAD;
758 req->sv1 = newSVsv (fh); 1146 req->sv1 = newSVsv (fh);
759 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1147 req->int1 = fd;
760 req->offs = SvVAL64 (offset); 1148 req->offs = offset;
761 req->size = length; 1149 req->size = length;
762 1150
763 REQ_SEND; 1151 REQ_SEND;
764} 1152}
765 1153
766void 1154void
767aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1155aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef)
768 ALIAS: 1156 ALIAS:
769 aio_stat = EIO_STAT 1157 aio_stat = EIO_STAT
770 aio_lstat = EIO_LSTAT 1158 aio_lstat = EIO_LSTAT
1159 aio_statvfs = EIO_STATVFS
771 PPCODE: 1160 PPCODE:
772{ 1161{
773 dREQ; 1162 dREQ;
774 1163
775 req->sv1 = newSVsv (fh_or_path); 1164 req->sv1 = newSVsv (fh_or_path);
… …
779 req->type = ix; 1168 req->type = ix;
780 req->ptr1 = SvPVbyte_nolen (req->sv1); 1169 req->ptr1 = SvPVbyte_nolen (req->sv1);
781 } 1170 }
782 else 1171 else
783 { 1172 {
784 req->type = EIO_FSTAT; 1173 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
785 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); 1174 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
786 } 1175 }
787 1176
788 REQ_SEND; 1177 REQ_SEND;
789} 1178}
1179
1180UV
1181major (UV dev)
1182 ALIAS:
1183 minor = 1
1184 CODE:
1185 RETVAL = ix ? major (dev) : minor (dev);
1186 OUTPUT:
1187 RETVAL
1188
1189UV
1190makedev (UV maj, UV min)
1191 CODE:
1192 RETVAL = makedev (maj, min);
1193 OUTPUT:
1194 RETVAL
790 1195
791void 1196void
792aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1197aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
793 PPCODE: 1198 PPCODE:
794{ 1199{
… …
884 1289
885 REQ_SEND; 1290 REQ_SEND;
886} 1291}
887 1292
888void 1293void
1294aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef)
1295 PPCODE:
1296{
1297 dREQ;
1298
1299 req->type = EIO_READDIR;
1300 req->sv1 = newSVsv (pathname);
1301 req->ptr1 = SvPVbyte_nolen (req->sv1);
1302 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1303
1304 if (flags & EIO_READDIR_DENTS)
1305 req->int1 |= EIO_READDIR_CUSTOM2;
1306
1307 REQ_SEND;
1308}
1309
1310void
889aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1311aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
890 ALIAS: 1312 ALIAS:
891 aio_unlink = EIO_UNLINK 1313 aio_unlink = EIO_UNLINK
892 aio_rmdir = EIO_RMDIR 1314 aio_rmdir = EIO_RMDIR
893 aio_readdir = EIO_READDIR 1315 aio_readdir = EIO_READDIR
… …
935 1357
936 REQ_SEND; 1358 REQ_SEND;
937} 1359}
938 1360
939void 1361void
1362aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1363 ALIAS:
1364 aio_mtouch = EIO_MTOUCH
1365 aio_msync = EIO_MSYNC
1366 PPCODE:
1367{
1368 STRLEN svlen;
1369 char *svptr = SvPVbyte (data, svlen);
1370 UV len = SvUV (length);
1371
1372 if (offset < 0)
1373 offset += svlen;
1374
1375 if (offset < 0 || offset > svlen)
1376 croak ("offset outside of scalar");
1377
1378 if (!SvOK (length) || len + offset > svlen)
1379 len = svlen - offset;
1380
1381 {
1382 dREQ;
1383
1384 req->type = ix;
1385 req->sv2 = SvREFCNT_inc (data);
1386 req->ptr2 = (char *)svptr + offset;
1387 req->size = len;
1388 req->int1 = flags;
1389
1390 REQ_SEND;
1391 }
1392}
1393
1394void
1395aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1396 PPCODE:
1397{
1398 STRLEN svlen;
1399 char *svptr = SvPVbyte (data, svlen);
1400 UV len = SvUV (length);
1401
1402 if (offset < 0)
1403 offset += svlen;
1404
1405 if (offset < 0 || offset > svlen)
1406 croak ("offset outside of scalar");
1407
1408 if (!SvOK (length) || len + offset > svlen)
1409 len = svlen - offset;
1410
1411 {
1412 dREQ;
1413
1414 req->type = EIO_MLOCK;
1415 req->sv2 = SvREFCNT_inc (data);
1416 req->ptr2 = (char *)svptr + offset;
1417 req->size = len;
1418
1419 REQ_SEND;
1420 }
1421}
1422
1423void
1424aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1425 PPCODE:
1426{
1427 dREQ;
1428
1429 req->type = EIO_MLOCKALL;
1430 req->int1 = flags;
1431
1432 REQ_SEND;
1433}
1434
1435void
940aio_busy (double delay, SV *callback=&PL_sv_undef) 1436aio_busy (double delay, SV *callback=&PL_sv_undef)
941 PPCODE: 1437 PPCODE:
942{ 1438{
943 dREQ; 1439 dREQ;
944 1440
… …
948 REQ_SEND; 1444 REQ_SEND;
949} 1445}
950 1446
951void 1447void
952aio_group (SV *callback=&PL_sv_undef) 1448aio_group (SV *callback=&PL_sv_undef)
953 PROTOTYPE: ;$
954 PPCODE: 1449 PPCODE:
955{ 1450{
956 dREQ; 1451 dREQ;
957 1452
958 req->type = EIO_GROUP; 1453 req->type = EIO_GROUP;
959 1454
960 req_submit (req); 1455 req_submit (req);
961 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1456 XPUSHs (req_sv (req, aio_grp_stash));
962} 1457}
963 1458
964void 1459void
965aio_nop (SV *callback=&PL_sv_undef) 1460aio_nop (SV *callback=&PL_sv_undef)
966 ALIAS: 1461 ALIAS:
… …
975 REQ_SEND; 1470 REQ_SEND;
976} 1471}
977 1472
978int 1473int
979aioreq_pri (int pri = 0) 1474aioreq_pri (int pri = 0)
980 PROTOTYPE: ;$
981 CODE: 1475 CODE:
982 RETVAL = next_pri; 1476 RETVAL = next_pri;
983 if (items > 0) 1477 if (items > 0)
984 { 1478 {
985 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1479 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
997 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1491 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
998 next_pri = nice; 1492 next_pri = nice;
999 1493
1000void 1494void
1001flush () 1495flush ()
1002 PROTOTYPE:
1003 CODE: 1496 CODE:
1004 while (eio_nreqs ()) 1497 while (eio_nreqs ())
1005 { 1498 {
1006 poll_wait (); 1499 poll_wait ();
1007 poll_cb (); 1500 poll_cb ();
1008 } 1501 }
1009 1502
1010int 1503int
1011poll() 1504poll ()
1012 PROTOTYPE:
1013 CODE: 1505 CODE:
1014 poll_wait (); 1506 poll_wait ();
1015 RETVAL = poll_cb (); 1507 RETVAL = poll_cb ();
1016 OUTPUT: 1508 OUTPUT:
1017 RETVAL 1509 RETVAL
1018 1510
1019int 1511int
1020poll_fileno() 1512poll_fileno ()
1021 PROTOTYPE:
1022 CODE: 1513 CODE:
1023 RETVAL = respipe [0]; 1514 RETVAL = s_epipe_fd (&respipe);
1024 OUTPUT: 1515 OUTPUT:
1025 RETVAL 1516 RETVAL
1026 1517
1027int 1518int
1028poll_cb(...) 1519poll_cb (...)
1029 PROTOTYPE: 1520 PROTOTYPE:
1030 CODE: 1521 CODE:
1031 RETVAL = poll_cb (); 1522 RETVAL = poll_cb ();
1032 OUTPUT: 1523 OUTPUT:
1033 RETVAL 1524 RETVAL
1034 1525
1035void 1526void
1036poll_wait() 1527poll_wait ()
1037 PROTOTYPE:
1038 CODE: 1528 CODE:
1039 poll_wait (); 1529 poll_wait ();
1040 1530
1041int 1531int
1042nreqs() 1532nreqs ()
1043 PROTOTYPE:
1044 CODE: 1533 CODE:
1045 RETVAL = eio_nreqs (); 1534 RETVAL = eio_nreqs ();
1046 OUTPUT: 1535 OUTPUT:
1047 RETVAL 1536 RETVAL
1048 1537
1049int 1538int
1050nready() 1539nready ()
1051 PROTOTYPE:
1052 CODE: 1540 CODE:
1053 RETVAL = eio_nready (); 1541 RETVAL = eio_nready ();
1054 OUTPUT: 1542 OUTPUT:
1055 RETVAL 1543 RETVAL
1056 1544
1057int 1545int
1058npending() 1546npending ()
1059 PROTOTYPE:
1060 CODE: 1547 CODE:
1061 RETVAL = eio_npending (); 1548 RETVAL = eio_npending ();
1062 OUTPUT: 1549 OUTPUT:
1063 RETVAL 1550 RETVAL
1064 1551
1065int 1552int
1066nthreads() 1553nthreads ()
1067 PROTOTYPE:
1068 CODE: 1554 CODE:
1069 RETVAL = eio_nthreads (); 1555 RETVAL = eio_nthreads ();
1070 OUTPUT: 1556 OUTPUT:
1071 RETVAL 1557 RETVAL
1072 1558
1559int
1560fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1561 CODE:
1562 RETVAL = posix_fadvise (fh, offset, length, advice);
1563 OUTPUT:
1564 RETVAL
1565
1566ssize_t
1567sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1568 CODE:
1569 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1570 OUTPUT:
1571 RETVAL
1572
1573void
1574mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1575 PPCODE:
1576 sv_unmagic (scalar, MMAP_MAGIC);
1577{
1578 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1579 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1580 if (addr == (void *)-1)
1581 XSRETURN_NO;
1582
1583 sv_force_normal (scalar);
1584
1585 /* we store the length in mg_obj, as namlen is I32 :/ */
1586 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1587 ->mg_obj = (SV *)length;
1588
1589 SvUPGRADE (scalar, SVt_PV); /* nop... */
1590
1591 if (!(prot & PROT_WRITE))
1592 SvREADONLY_on (scalar);
1593
1594 if (SvLEN (scalar))
1595 Safefree (SvPVX (scalar));
1596
1597 SvPVX (scalar) = (char *)addr;
1598 SvCUR_set (scalar, length);
1599 SvLEN_set (scalar, 0);
1600 SvPOK_only (scalar);
1601
1602 XSRETURN_YES;
1603}
1604
1605void
1606munmap (SV *scalar)
1607 CODE:
1608 sv_unmagic (scalar, MMAP_MAGIC);
1609
1610int
1611madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1612 ALIAS:
1613 mprotect = 1
1614 CODE:
1615{
1616 STRLEN svlen;
1617 void *addr = SvPVbyte (scalar, svlen);
1618 size_t len = SvUV (length);
1619
1620 if (offset < 0)
1621 offset += svlen;
1622
1623 if (offset < 0 || offset > svlen)
1624 croak ("offset outside of scalar");
1625
1626 if (!SvOK (length) || len + offset > svlen)
1627 len = svlen - offset;
1628
1629 addr = (void *)(((intptr_t)addr) + offset);
1630 eio_page_align (&addr, &len);
1631
1632 switch (ix)
1633 {
1634 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1635 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1636 }
1637}
1638 OUTPUT:
1639 RETVAL
1640
1641int
1642munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1643 CODE:
1644{
1645 STRLEN svlen;
1646 void *addr = SvPVbyte (scalar, svlen);
1647 size_t len = SvUV (length);
1648
1649 if (offset < 0)
1650 offset += svlen;
1651
1652 if (offset < 0 || offset > svlen)
1653 croak ("offset outside of scalar");
1654
1655 if (!SvOK (length) || len + offset > svlen)
1656 len = svlen - offset;
1657
1658 addr = (void *)(((intptr_t)addr) + offset);
1659 eio_page_align (&addr, &len);
1660#if _POSIX_MEMLOCK_RANGE
1661 RETVAL = munlock (addr, len);
1662#else
1663 RETVAL = ((errno = ENOSYS), -1);
1664#endif
1665}
1666 OUTPUT:
1667 RETVAL
1668
1669int
1670munlockall ()
1671 CODE:
1672#if _POSIX_MEMLOCK
1673 munlockall ();
1674#else
1675 RETVAL = -1;
1676 errno = ENOSYS;
1677#endif
1678 OUTPUT:
1679 RETVAL
1680
1073void _on_next_submit (SV *cb) 1681void _on_next_submit (SV *cb)
1074 CODE: 1682 CODE:
1075 SvREFCNT_dec (on_next_submit); 1683 SvREFCNT_dec (on_next_submit);
1076 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1684 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1077 1685
… …
1091 if (GIMME_V != G_VOID) 1699 if (GIMME_V != G_VOID)
1092 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 1700 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1093 1701
1094 if (items > 1) 1702 if (items > 1)
1095 { 1703 {
1096 SV *cb_cv = get_cb (callback); 1704 SV *cb_cv =get_cb (callback);
1097 1705
1098 SvREFCNT_dec (req->callback); 1706 SvREFCNT_dec (req->callback);
1099 req->callback = SvREFCNT_inc (cb_cv); 1707 req->callback = SvREFCNT_inc (cb_cv);
1100 } 1708 }
1101} 1709}
… …
1138 AV *av; 1746 AV *av;
1139 1747
1140 grp->errorno = errno; 1748 grp->errorno = errno;
1141 1749
1142 av = newAV (); 1750 av = newAV ();
1751 av_extend (av, items - 1);
1143 1752
1144 for (i = 1; i < items; ++i ) 1753 for (i = 1; i < items; ++i )
1145 av_push (av, newSVsv (ST (i))); 1754 av_push (av, newSVsv (ST (i)));
1146 1755
1147 SvREFCNT_dec (grp->sv1); 1756 SvREFCNT_dec (grp->sv1);

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