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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.218 by root, Fri Jul 27 17:54:40 2012 UTC

… …
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__
25# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP
27# include <linux/types.h>
28# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1
30# endif
31#endif
32
24/* perl namespace pollution */ 33/* perl namespace pollution */
25#undef VERSION 34#undef VERSION
26 35
27/* perl stupidly overrides readdir and maybe others */ 36/* perl stupidly overrides readdir and maybe others */
28/* with thread-unsafe versions, imagine that :( */ 37/* with thread-unsafe versions, imagine that :( */
… …
30#undef opendir 39#undef opendir
31#undef closedir 40#undef closedir
32 41
33#ifdef _WIN32 42#ifdef _WIN32
34 43
35 #define EIO_STRUCT_DIRENT Direntry_t 44 // perl overrides all those nice libc functions
45
36 #undef malloc 46 #undef malloc
37 #undef free 47 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open 48 #undef open
41 #undef read 49 #undef read
42 #undef write 50 #undef write
43 #undef send 51 #undef send
44 #undef recv 52 #undef recv
… …
63 #undef dup 71 #undef dup
64 #undef dup2 72 #undef dup2
65 #undef abort 73 #undef abort
66 #undef pipe 74 #undef pipe
67 75
76 #define EIO_STRUCT_STAT struct _stati64
77 #define EIO_STRUCT_STATI64
78
68#else 79#else
69 80
70 #include <sys/time.h> 81 #include <sys/time.h>
71 #include <sys/select.h> 82 #include <sys/select.h>
72 #include <unistd.h> 83 #include <unistd.h>
73 #include <utime.h> 84 #include <utime.h>
74 #include <signal.h> 85 #include <signal.h>
75 86
76#endif
77
78#define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
79 88
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else
86# define VAL64 NV
87# define SvVAL64 SvNV
88# define newSVval64 newSVnv
89#endif 89#endif
90 90
91/*****************************************************************************/ 91/*****************************************************************************/
92 92
93#if __GNUC__ >= 3 93#if __GNUC__ >= 3
… …
103 103
104typedef SV SV8; /* byte-sv, used for argument-checking */ 104typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 105typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 106typedef int aio_wfd; /* write file descriptor */
107 107
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 109
110#define EIO_REQ_MEMBERS \ 110#define EIO_REQ_MEMBERS \
111 SV *callback; \ 111 SV *callback; \
112 SV *sv1, *sv2; \ 112 SV *sv1, *sv2; \
113 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 114 STRLEN stroffset; \
114 SV *self; 115 SV *self;
115 116
116#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
117 118
… …
123static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
125 126
126#include "libeio/eio.c" 127#include "libeio/eio.c"
127 128
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 131#endif
196 132
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 135#endif
291 136
292#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 138# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
295# else 140# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 142# endif
298#endif 143#endif
299#ifndef MAP_HUGETLB 144
300# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
301#endif 146#include "def0.h"
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 147
315#ifndef makedev 148#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 150#endif
318#ifndef major 151#ifndef major
… …
323#endif 156#endif
324 157
325#ifndef PAGESIZE 158#ifndef PAGESIZE
326# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 160#endif
161
162/*****************************************************************************/
163
164static void
165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 int count = req->int3;
171
172 /* heuristic: first try with 72 extents if we don't know how many, */
173 /* as most files have (hopefully) fewer than this many extents */
174 /* in fact, most should have <= 2, so the 72 below is probably overkill */
175 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
177
178 for (;;)
179 {
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM;
182 if (!fiemap)
183 return;
184
185 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187
188 fiemap->fm_start = req->offs;
189 fiemap->fm_length = req->size;
190 fiemap->fm_flags = req->int2;
191 fiemap->fm_extent_count = count;
192
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
194 return;
195
196 if (req->int3 >= 0)
197 break; /* when not autosizing we are done */
198
199 if (!fiemap->fm_mapped_extents)
200 break; /* if file has no segments, we are done */
201
202 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
203 break; /* autosizing successful, we are done */
204
205 fiemap->fm_flags = req->int2;
206 fiemap->fm_extent_count = 0;
207
208 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
209 return;
210
211 count = fiemap->fm_mapped_extents;
212
213 free (fiemap);
214 }
215
216 req->result = 0;
217
218#else
219 errno = ENOSYS;
220#endif
221}
222
223/*****************************************************************************/
328 224
329enum { 225enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 226 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 227};
332 228
333typedef eio_req *aio_req; 229typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 230typedef eio_req *aio_req_ornot;
231typedef eio_wd aio_wd;
335 232
336static SV *on_next_submit; 233static SV *on_next_submit;
337static int next_pri = EIO_PRI_DEFAULT; 234static int next_pri = EIO_PRI_DEFAULT;
338static int max_outstanding; 235static int max_outstanding;
339 236
340static s_epipe respipe; 237static s_epipe respipe;
341 238
342static void req_destroy (aio_req req); 239static void req_destroy (aio_req req);
343static void req_cancel (aio_req req); 240static void req_cancel (aio_req req);
344 241
345static void want_poll (void) 242static void
243want_poll (void)
346{ 244{
347 /* write a dummy byte to the pipe so fh becomes ready */ 245 /* write a dummy byte to the pipe so fh becomes ready */
348 s_epipe_signal (&respipe); 246 s_epipe_signal (&respipe);
349} 247}
350 248
351static void done_poll (void) 249static void
250done_poll (void)
352{ 251{
353 /* read any signals sent by the worker threads */ 252 /* read any signals sent by the worker threads */
354 s_epipe_drain (&respipe); 253 s_epipe_drain (&respipe);
355} 254}
356 255
357/* must be called at most once */ 256/* must be called at most once */
257static SV *
358static SV *req_sv (aio_req req, HV *stash) 258req_sv (aio_req req, HV *stash)
359{ 259{
360 if (!req->self) 260 if (!req->self)
361 { 261 {
362 req->self = (SV *)newHV (); 262 req->self = (SV *)newHV ();
363 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 263 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364 } 264 }
365 265
366 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 266 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367} 267}
368 268
369static aio_req SvAIO_REQ (SV *sv) 269static SV *
270newSVaio_wd (aio_wd wd)
271{
272 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
273}
274
275static aio_req
276SvAIO_REQ (SV *sv)
370{ 277{
371 MAGIC *mg; 278 MAGIC *mg;
372 279
373 if (!SvROK (sv) 280 if (!SvROK (sv)
281 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374 || (SvSTASH (SvRV (sv)) != aio_grp_stash 282 || (SvSTASH (SvRV (sv)) != aio_grp_stash
375 && SvSTASH (SvRV (sv)) != aio_req_stash 283 && SvSTASH (SvRV (sv)) != aio_req_stash
376 && !sv_derived_from (sv, "IO::AIO::REQ"))) 284 && !sv_derived_from (sv, "IO::AIO::REQ")))
377 croak ("object of class IO::AIO::REQ expected"); 285 croak ("object of class IO::AIO::REQ expected");
378 286
379 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 287 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380 288
381 return mg ? (aio_req)mg->mg_ptr : 0; 289 return mg ? (aio_req)mg->mg_ptr : 0;
382} 290}
383 291
292static aio_wd
293SvAIO_WD (SV *sv)
294{
295 if (!SvROK (sv)
296 || SvTYPE (SvRV (sv)) != SVt_PVMG
297 || SvSTASH (SvRV (sv)) != aio_wd_stash)
298 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
299
300 return (aio_wd)(long)SvIVX (SvRV (sv));
301}
302
303static void
384static void aio_grp_feed (aio_req grp) 304aio_grp_feed (aio_req grp)
385{ 305{
386 if (grp->sv2 && SvOK (grp->sv2)) 306 if (grp->sv2 && SvOK (grp->sv2))
387 { 307 {
388 dSP; 308 dSP;
389 309
… …
397 FREETMPS; 317 FREETMPS;
398 LEAVE; 318 LEAVE;
399 } 319 }
400} 320}
401 321
322static void
402static void req_submit (eio_req *req) 323req_submit (eio_req *req)
403{ 324{
404 eio_submit (req); 325 eio_submit (req);
405 326
406 if (expect_false (on_next_submit)) 327 if (expect_false (on_next_submit))
407 { 328 {
… …
414 PUTBACK; 335 PUTBACK;
415 call_sv (cb, G_DISCARD | G_EVAL); 336 call_sv (cb, G_DISCARD | G_EVAL);
416 } 337 }
417} 338}
418 339
340static int
419static int req_invoke (eio_req *req) 341req_invoke (eio_req *req)
420{ 342{
421 if (req->flags & FLAG_SV2_RO_OFF) 343 if (req->flags & FLAG_SV2_RO_OFF)
422 SvREADONLY_off (req->sv2); 344 SvREADONLY_off (req->sv2);
423 345
424 if (!EIO_CANCELLED (req) && req->callback) 346 if (!EIO_CANCELLED (req) && req->callback)
… …
445 SvREADONLY_on (sv_result); 367 SvREADONLY_on (sv_result);
446 } 368 }
447 369
448 switch (req->type) 370 switch (req->type)
449 { 371 {
372 case EIO_WD_OPEN:
373 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
374 break;
375
450 case EIO_READDIR: 376 case EIO_READDIR:
451 { 377 {
452 SV *rv = &PL_sv_undef; 378 SV *rv = &PL_sv_undef;
453 379
454 if (req->result >= 0) 380 if (req->result >= 0)
… …
596 break; 522 break;
597 523
598 case EIO_STAT: 524 case EIO_STAT:
599 case EIO_LSTAT: 525 case EIO_LSTAT:
600 case EIO_FSTAT: 526 case EIO_FSTAT:
601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 527 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
528
602 PL_laststatval = req->result; 529 if (!(PL_laststatval = req->result))
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 530 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 531 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
532
605 PUSHs (sv_result); 533 PUSHs (sv_result);
534 break;
535
536 case EIO_SEEK:
537 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606 break; 538 break;
607 539
608 case EIO_READ: 540 case EIO_READ:
609 { 541 {
610 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 542 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
613 SvSETMAGIC (req->sv2); 545 SvSETMAGIC (req->sv2);
614 PUSHs (sv_result); 546 PUSHs (sv_result);
615 } 547 }
616 break; 548 break;
617 549
550 case EIO_CUSTOM:
551 if (req->feed == fiemap)
552 {
553#if HAVE_FIEMAP
554 if (!req->result)
555 {
556 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
557
558 if (fiemap->fm_extent_count)
559 {
560 AV *av = newAV ();
561 int i;
562
563 while (fiemap->fm_mapped_extents)
564 {
565 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
566 AV *ext_av = newAV ();
567
568 av_store (ext_av, 3, newSVuv (extent->fe_flags));
569 av_store (ext_av, 2, newSVval64 (extent->fe_length));
570 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
571 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
572
573 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
574 }
575
576 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
577 }
578 else
579 {
580 SvIV_set (sv_result, fiemap->fm_mapped_extents);
581 PUSHs (sv_result);
582 }
583 }
584#endif
585 }
586 else
587 PUSHs (sv_result);
588 break;
589
618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 590 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619 if (req->result > 0) 591 if (req->result > 0)
620 SvIV_set (sv_result, 0); 592 SvIV_set (sv_result, 0);
621 /* FALLTHROUGH */ 593 /* FALLTHROUGH */
622 594
… …
643 } 615 }
644 616
645 return !!SvTRUE (ERRSV); 617 return !!SvTRUE (ERRSV);
646} 618}
647 619
620static void
648static void req_destroy (aio_req req) 621req_destroy (aio_req req)
649{ 622{
650 if (req->self) 623 if (req->self)
651 { 624 {
652 sv_unmagic (req->self, PERL_MAGIC_ext); 625 sv_unmagic (req->self, PERL_MAGIC_ext);
653 SvREFCNT_dec (req->self); 626 SvREFCNT_dec (req->self);
654 } 627 }
655 628
656 SvREFCNT_dec (req->sv1); 629 SvREFCNT_dec (req->sv1);
657 SvREFCNT_dec (req->sv2); 630 SvREFCNT_dec (req->sv2);
631 SvREFCNT_dec (req->sv3);
632 SvREFCNT_dec (req->sv4);
658 SvREFCNT_dec (req->callback); 633 SvREFCNT_dec (req->callback);
659 634
660 Safefree (req); 635 free (req);
661} 636}
662 637
638static void
663static void req_cancel_subs (aio_req grp) 639req_cancel_subs (aio_req grp)
664{ 640{
665 if (grp->type != EIO_GROUP) 641 if (grp->type != EIO_GROUP)
666 return; 642 return;
667 643
668 SvREFCNT_dec (grp->sv2); 644 SvREFCNT_dec (grp->sv2);
669 grp->sv2 = 0; 645 grp->sv2 = 0;
670 646
671 eio_grp_cancel (grp); 647 eio_grp_cancel (grp);
672} 648}
673 649
650static void ecb_cold
674static void create_respipe (void) 651create_respipe (void)
675{ 652{
676 if (s_epipe_renew (&respipe)) 653 if (s_epipe_renew (&respipe))
677 croak ("IO::AIO: unable to initialize result pipe"); 654 croak ("IO::AIO: unable to initialize result pipe");
678} 655}
679 656
680static void poll_wait (void) 657static void
658poll_wait (void)
681{ 659{
682 while (eio_nreqs ()) 660 while (eio_nreqs ())
683 { 661 {
684 int size; 662 int size;
685 663
… …
694 672
695 s_epipe_wait (&respipe); 673 s_epipe_wait (&respipe);
696 } 674 }
697} 675}
698 676
699static int poll_cb (void) 677static int
678poll_cb (void)
700{ 679{
701 for (;;) 680 for (;;)
702 { 681 {
703 int res = eio_poll (); 682 int res = eio_poll ();
704 683
… …
710 689
711 poll_wait (); 690 poll_wait ();
712 } 691 }
713} 692}
714 693
715static void atfork_child (void) 694static void ecb_cold
695reinit (void)
716{ 696{
717 create_respipe (); 697 create_respipe ();
698
699 if (eio_init (want_poll, done_poll) < 0)
700 croak ("IO::AIO: unable to initialise eio library");
718} 701}
719 702
720/*****************************************************************************/ 703/*****************************************************************************/
721 704
722#if !_POSIX_MAPPED_FILES 705#if !_POSIX_MAPPED_FILES
723# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 706# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
724# define munmap(addr,length) (errno = ENOSYS, -1) 707# define munmap(addr,length) EIO_ENOSYS ()
725#endif 708#endif
726 709
727#if !_POSIX_MEMORY_PROTECTION 710#if !_POSIX_MEMORY_PROTECTION
728# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 711# define mprotect(addr,len,prot) EIO_ENOSYS ()
729# define PROT_NONE 0 712# define PROT_NONE 0
730# define PROT_WRITE 0 713# define PROT_WRITE 0
731# define MAP_PRIVATE 0 714# define MAP_PRIVATE 0
732# define MAP_SHARED 0 715# define MAP_SHARED 0
733# define MAP_FIXED 0 716# define MAP_FIXED 0
734#endif 717#endif
735 718
736#define MMAP_MAGIC PERL_MAGIC_ext 719#define MMAP_MAGIC PERL_MAGIC_ext
737 720
721static int ecb_cold
738static int mmap_free (pTHX_ SV *sv, MAGIC *mg) 722mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{ 723{
740 int old_errno = errno; 724 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 725 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno; 726 errno = old_errno;
743 727
… …
759 0, 0, 0, 0, mmap_free 743 0, 0, 0, 0, mmap_free
760}; 744};
761 745
762/*****************************************************************************/ 746/*****************************************************************************/
763 747
748static SV *
764static SV * get_cb (SV *cb_sv) 749get_cb (SV *cb_sv)
765{ 750{
766 SvGETMAGIC (cb_sv); 751 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 752 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 753}
769 754
755static aio_req ecb_noinline
756dreq (SV *callback)
757{
758 SV *cb_cv;
759 aio_req req;
760 int req_pri = next_pri;
761 next_pri = EIO_PRI_DEFAULT;
762
763 cb_cv = get_cb (callback);
764
765 req = calloc (sizeof (*req), 1);
766 if (!req)
767 croak ("out of memory during eio_req allocation");
768
769 req->callback = SvREFCNT_inc (cb_cv);
770 req->pri = req_pri;
771
772 return req;
773}
774
770#define dREQ \ 775#define dREQ \
771 SV *cb_cv; \ 776 aio_req req = dreq (callback); \
772 aio_req req; \
773 int req_pri = next_pri; \
774 next_pri = EIO_PRI_DEFAULT; \
775 \
776 cb_cv = get_cb (callback); \
777 \
778 Newz (0, req, 1, eio_req); \
779 if (!req) \
780 croak ("out of memory during eio_req allocation"); \
781 \
782 req->callback = SvREFCNT_inc (cb_cv); \
783 req->pri = req_pri
784 777
785#define REQ_SEND \ 778#define REQ_SEND \
786 PUTBACK; \ 779 PUTBACK; \
787 req_submit (req); \ 780 req_submit (req); \
788 SPAGAIN; \ 781 SPAGAIN; \
789 \ 782 \
790 if (GIMME_V != G_VOID) \ 783 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 784 XPUSHs (req_sv (req, aio_req_stash));
792 785
786ecb_inline void
787req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
788{
789 if (expect_false (SvROK (path)))
790 {
791 SV *rv = SvRV (path);
792 SV *wdob;
793
794 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
795 {
796 path = AvARRAY (rv)[1];
797 wdob = AvARRAY (rv)[0];
798
799 if (SvOK (wdob))
800 {
801 *wd = SvAIO_WD (wdob);
802 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
803 }
804 else
805 *wd = EIO_INVALID_WD;
806 }
807 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
808 {
809 *wd = (aio_wd)(long)SvIVX (rv);
810 *wdsv = SvREFCNT_inc_NN (rv);
811 *ptr = ".";
812 return; /* path set to "." */
813 }
814 else
815 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
816 }
817
818 *pathsv = newSVsv (path);
819 *ptr = SvPVbyte_nolen (*pathsv);
820}
821
822static void ecb_noinline
823req_set_path1 (aio_req req, SV *path)
824{
825 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
826}
827
828static void ecb_noinline
829req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
830{
831 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
832
833 switch (SvTYPE (rv))
834 {
835 case SVt_PVIO:
836 case SVt_PVLV:
837 case SVt_PVGV:
838 req->type = type_fh;
839 req->sv1 = newSVsv (fh_or_path);
840 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
841 break;
842
843 default:
844 req->type = type_path;
845 req_set_path1 (req, fh_or_path);
846 break;
847 }
848}
849
850XS(boot_IO__AIO) ecb_cold;
851
793MODULE = IO::AIO PACKAGE = IO::AIO 852MODULE = IO::AIO PACKAGE = IO::AIO
794 853
795PROTOTYPES: ENABLE 854PROTOTYPES: ENABLE
796 855
797BOOT: 856BOOT:
… …
801 IV iv; 860 IV iv;
802 } *civ, const_iv[] = { 861 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 862# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 863# define const_iv(name) { # name, (IV) name },
805# define const_eio(name) { # name, (IV) EIO_ ## name }, 864# define const_eio(name) { # name, (IV) EIO_ ## name },
865
866 /* you have to re-run ./gendef0 after adding/Removing any constants here */
867
868 const_iv (ENOSYS)
806 const_iv (EXDEV) 869 const_iv (EXDEV)
807 const_iv (ENOSYS) 870 const_iv (EBADR)
871
808 const_iv (O_RDONLY) 872 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 873 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 874 const_iv (O_RDWR)
811 const_iv (O_CREAT) 875 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 876 const_iv (O_TRUNC)
… …
880 const_iv (MAP_LOCKED) 944 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 945 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 946 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK) 947 const_iv (MAP_NONBLOCK)
884 948
949 const_iv (FIEMAP_FLAG_SYNC)
950 const_iv (FIEMAP_FLAG_XATTR)
951 const_iv (FIEMAP_FLAGS_COMPAT)
952 const_iv (FIEMAP_EXTENT_LAST)
953 const_iv (FIEMAP_EXTENT_UNKNOWN)
954 const_iv (FIEMAP_EXTENT_DELALLOC)
955 const_iv (FIEMAP_EXTENT_ENCODED)
956 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
957 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
958 const_iv (FIEMAP_EXTENT_DATA_INLINE)
959 const_iv (FIEMAP_EXTENT_DATA_TAIL)
960 const_iv (FIEMAP_EXTENT_UNWRITTEN)
961 const_iv (FIEMAP_EXTENT_MERGED)
962 const_iv (FIEMAP_EXTENT_SHARED)
963
964 const_iv (SPLICE_F_MOVE)
965 const_iv (SPLICE_F_NONBLOCK)
966 const_iv (SPLICE_F_MORE)
967 const_iv (SPLICE_F_GIFT)
968
969 const_iv (SEEK_DATA)
970 const_iv (SEEK_HOLE)
971
972 /* libeio constants */
973 const_eio (SEEK_SET)
974 const_eio (SEEK_CUR)
975 const_eio (SEEK_END)
976
885 const_eio (MCL_FUTURE) 977 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 978 const_eio (MCL_CURRENT)
887 979
888 const_eio (MS_ASYNC) 980 const_eio (MS_ASYNC)
889 const_eio (MS_INVALIDATE) 981 const_eio (MS_INVALIDATE)
… …
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 986 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 987 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 988 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 989
898 const_eio (FALLOC_FL_KEEP_SIZE) 990 const_eio (FALLOC_FL_KEEP_SIZE)
991 const_eio (FALLOC_FL_PUNCH_HOLE)
899 992
900 const_eio (READDIR_DENTS) 993 const_eio (READDIR_DENTS)
901 const_eio (READDIR_DIRS_FIRST) 994 const_eio (READDIR_DIRS_FIRST)
902 const_eio (READDIR_STAT_ORDER) 995 const_eio (READDIR_STAT_ORDER)
903 const_eio (READDIR_FOUND_UNKNOWN) 996 const_eio (READDIR_FOUND_UNKNOWN)
… …
914 }; 1007 };
915 1008
916 aio_stash = gv_stashpv ("IO::AIO" , 1); 1009 aio_stash = gv_stashpv ("IO::AIO" , 1);
917 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1010 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1011 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1012 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919 1013
920 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1014 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1015 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922 1016
923 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1017 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924 1018
925 create_respipe (); 1019 reinit ();
926
927 if (eio_init (want_poll, done_poll) < 0)
928 croak ("IO::AIO: unable to initialise eio library");
929
930 /* atfork child called in fifo order, so before eio's handler */
931 X_THREAD_ATFORK (0, 0, atfork_child);
932} 1020}
1021
1022void
1023reinit ()
1024 PROTOTYPE:
933 1025
934void 1026void
935max_poll_reqs (unsigned int nreqs) 1027max_poll_reqs (unsigned int nreqs)
936 PROTOTYPE: $ 1028 PROTOTYPE: $
937 CODE: 1029 CODE:
… …
972 PROTOTYPE: $ 1064 PROTOTYPE: $
973 CODE: 1065 CODE:
974 max_outstanding = maxreqs; 1066 max_outstanding = maxreqs;
975 1067
976void 1068void
1069aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1070 PPCODE:
1071{
1072 dREQ;
1073
1074 req->type = EIO_WD_OPEN;
1075 req_set_path1 (req, pathname);
1076
1077 REQ_SEND;
1078}
1079
1080void
977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1081aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
978 PPCODE: 1082 PPCODE:
979{ 1083{
980 dREQ; 1084 dREQ;
981 1085
982 req->type = EIO_OPEN; 1086 req->type = EIO_OPEN;
983 req->sv1 = newSVsv (pathname); 1087 req_set_path1 (req, pathname);
984 req->ptr1 = SvPVbyte_nolen (req->sv1);
985 req->int1 = flags; 1088 req->int1 = flags;
986 req->int2 = mode; 1089 req->int2 = mode;
987 1090
988 REQ_SEND; 1091 REQ_SEND;
989} 1092}
… …
991void 1094void
992aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1095aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
993 ALIAS: 1096 ALIAS:
994 aio_fsync = EIO_FSYNC 1097 aio_fsync = EIO_FSYNC
995 aio_fdatasync = EIO_FDATASYNC 1098 aio_fdatasync = EIO_FDATASYNC
1099 aio_syncfs = EIO_SYNCFS
996 PPCODE: 1100 PPCODE:
997{ 1101{
998 int fd = s_fileno_croak (fh, 0); 1102 int fd = s_fileno_croak (fh, 0);
999 dREQ; 1103 dREQ;
1000 1104
1001 req->type = ix; 1105 req->type = ix;
1002 req->sv1 = newSVsv (fh); 1106 req->sv1 = newSVsv (fh);
1003 req->int1 = fd; 1107 req->int1 = fd;
1004 1108
1005 REQ_SEND (req); 1109 REQ_SEND;
1006} 1110}
1007 1111
1008void 1112void
1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1113aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1010 PPCODE: 1114 PPCODE:
… …
1017 req->int1 = fd; 1121 req->int1 = fd;
1018 req->offs = offset; 1122 req->offs = offset;
1019 req->size = nbytes; 1123 req->size = nbytes;
1020 req->int2 = flags; 1124 req->int2 = flags;
1021 1125
1022 REQ_SEND (req); 1126 REQ_SEND;
1023} 1127}
1024 1128
1025void 1129void
1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1130aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1027 PPCODE: 1131 PPCODE:
… …
1034 req->int1 = fd; 1138 req->int1 = fd;
1035 req->int2 = mode; 1139 req->int2 = mode;
1036 req->offs = offset; 1140 req->offs = offset;
1037 req->size = len; 1141 req->size = len;
1038 1142
1039 REQ_SEND (req); 1143 REQ_SEND;
1040} 1144}
1041 1145
1042void 1146void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef) 1147aio_close (SV *fh, SV *callback=&PL_sv_undef)
1044 PPCODE: 1148 PPCODE:
… …
1068 req->type = EIO_DUP2; 1172 req->type = EIO_DUP2;
1069 req->int1 = close_fd; 1173 req->int1 = close_fd;
1070 req->sv2 = newSVsv (fh); 1174 req->sv2 = newSVsv (fh);
1071 req->int2 = fd; 1175 req->int2 = fd;
1072 1176
1073 REQ_SEND (req); 1177 REQ_SEND;
1178}
1179
1180void
1181aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1182 PPCODE:
1183{
1184 int fd = s_fileno_croak (fh, 0);
1185 dREQ;
1186
1187 req->type = EIO_SEEK;
1188 req->sv1 = newSVsv (fh);
1189 req->int1 = fd;
1190 req->offs = SvVAL64 (offset);
1191 req->int2 = whence;
1192
1193 REQ_SEND;
1074} 1194}
1075 1195
1076void 1196void
1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1078 ALIAS: 1198 ALIAS:
… …
1099 } 1219 }
1100 else 1220 else
1101 { 1221 {
1102 /* read: check type and grow scalar as necessary */ 1222 /* read: check type and grow scalar as necessary */
1103 SvUPGRADE (data, SVt_PV); 1223 SvUPGRADE (data, SVt_PV);
1224 if (SvLEN (data) >= SvCUR (data))
1104 svptr = SvGROW (data, len + dataoffset + 1); 1225 svptr = SvGROW (data, len + dataoffset + 1);
1226 else if (SvCUR (data) < len + dataoffset)
1227 croak ("length + dataoffset outside of scalar, and cannot grow");
1105 } 1228 }
1106 1229
1107 { 1230 {
1108 dREQ; 1231 dREQ;
1109 1232
… …
1125 REQ_SEND; 1248 REQ_SEND;
1126 } 1249 }
1127} 1250}
1128 1251
1129void 1252void
1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1253aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1131 ALIAS: 1254 ALIAS:
1132 aio_readlink = EIO_READLINK 1255 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH 1256 aio_realpath = EIO_REALPATH
1134 PPCODE: 1257 PPCODE:
1135{ 1258{
1136 dREQ; 1259 dREQ;
1137 1260
1138 req->type = ix; 1261 req->type = ix;
1139 req->sv1 = newSVsv (path); 1262 req_set_path1 (req, pathname);
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 1263
1142 REQ_SEND; 1264 REQ_SEND;
1143} 1265}
1144 1266
1145void 1267void
… …
1185 aio_statvfs = EIO_STATVFS 1307 aio_statvfs = EIO_STATVFS
1186 PPCODE: 1308 PPCODE:
1187{ 1309{
1188 dREQ; 1310 dREQ;
1189 1311
1190 req->sv1 = newSVsv (fh_or_path); 1312 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1313
1203 REQ_SEND; 1314 REQ_SEND;
1204} 1315}
1205 1316
1206UV 1317UV
… …
1225{ 1336{
1226 dREQ; 1337 dREQ;
1227 1338
1228 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1339 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1340 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230 req->sv1 = newSVsv (fh_or_path); 1341 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_UTIME;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FUTIME;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1342
1243 REQ_SEND; 1343 REQ_SEND;
1244} 1344}
1245 1345
1246void 1346void
1247aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1347aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1248 PPCODE: 1348 PPCODE:
1249{ 1349{
1250 dREQ; 1350 dREQ;
1251 1351
1252 req->sv1 = newSVsv (fh_or_path);
1253 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1352 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254 1353 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255 if (SvPOK (req->sv1))
1256 {
1257 req->type = EIO_TRUNCATE;
1258 req->ptr1 = SvPVbyte_nolen (req->sv1);
1259 }
1260 else
1261 {
1262 req->type = EIO_FTRUNCATE;
1263 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264 }
1265 1354
1266 REQ_SEND; 1355 REQ_SEND;
1267} 1356}
1268 1357
1269void 1358void
1270aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1359aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1271 ALIAS:
1272 aio_chmod = EIO_CHMOD
1273 aio_mkdir = EIO_MKDIR
1274 PPCODE: 1360 PPCODE:
1275{ 1361{
1276 dREQ; 1362 dREQ;
1277 1363
1278 req->int2 = mode; 1364 req->int2 = mode;
1279 req->sv1 = newSVsv (fh_or_path); 1365 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281 if (SvPOK (req->sv1))
1282 {
1283 req->type = ix;
1284 req->ptr1 = SvPVbyte_nolen (req->sv1);
1285 }
1286 else
1287 {
1288 req->type = EIO_FCHMOD;
1289 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290 }
1291 1366
1292 REQ_SEND; 1367 REQ_SEND;
1293} 1368}
1294 1369
1295void 1370void
… …
1298{ 1373{
1299 dREQ; 1374 dREQ;
1300 1375
1301 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1376 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1377 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303 req->sv1 = newSVsv (fh_or_path); 1378 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305 if (SvPOK (req->sv1))
1306 {
1307 req->type = EIO_CHOWN;
1308 req->ptr1 = SvPVbyte_nolen (req->sv1);
1309 }
1310 else
1311 {
1312 req->type = EIO_FCHOWN;
1313 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314 }
1315 1379
1316 REQ_SEND; 1380 REQ_SEND;
1317} 1381}
1318 1382
1319void 1383void
… …
1321 PPCODE: 1385 PPCODE:
1322{ 1386{
1323 dREQ; 1387 dREQ;
1324 1388
1325 req->type = EIO_READDIR; 1389 req->type = EIO_READDIR;
1326 req->sv1 = newSVsv (pathname);
1327 req->ptr1 = SvPVbyte_nolen (req->sv1);
1328 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1390 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329 1391
1330 if (flags & EIO_READDIR_DENTS) 1392 if (flags & EIO_READDIR_DENTS)
1331 req->int1 |= EIO_READDIR_CUSTOM2; 1393 req->int1 |= EIO_READDIR_CUSTOM2;
1332 1394
1395 req_set_path1 (req, pathname);
1396
1333 REQ_SEND; 1397 REQ_SEND;
1398}
1399
1400void
1401aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1402 PPCODE:
1403{
1404 dREQ;
1405
1406 req->type = EIO_MKDIR;
1407 req->int2 = mode;
1408 req_set_path1 (req, pathname);
1409
1410 REQ_SEND;
1334} 1411}
1335 1412
1336void 1413void
1337aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1414aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1338 ALIAS: 1415 ALIAS:
… …
1342 PPCODE: 1419 PPCODE:
1343{ 1420{
1344 dREQ; 1421 dREQ;
1345 1422
1346 req->type = ix; 1423 req->type = ix;
1347 req->sv1 = newSVsv (pathname); 1424 req_set_path1 (req, pathname);
1348 req->ptr1 = SvPVbyte_nolen (req->sv1);
1349 1425
1350 REQ_SEND; 1426 REQ_SEND;
1351} 1427}
1352 1428
1353void 1429void
… …
1356 aio_link = EIO_LINK 1432 aio_link = EIO_LINK
1357 aio_symlink = EIO_SYMLINK 1433 aio_symlink = EIO_SYMLINK
1358 aio_rename = EIO_RENAME 1434 aio_rename = EIO_RENAME
1359 PPCODE: 1435 PPCODE:
1360{ 1436{
1437 eio_wd wd2 = 0;
1361 dREQ; 1438 dREQ;
1362 1439
1363 req->type = ix; 1440 req->type = ix;
1364 req->sv1 = newSVsv (oldpath); 1441 req_set_path1 (req, oldpath);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1); 1442 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366 req->sv2 = newSVsv (newpath); 1443 req->int3 = (long)wd2;
1367 req->ptr2 = SvPVbyte_nolen (req->sv2);
1368 1444
1369 REQ_SEND; 1445 REQ_SEND;
1370} 1446}
1371 1447
1372void 1448void
… …
1374 PPCODE: 1450 PPCODE:
1375{ 1451{
1376 dREQ; 1452 dREQ;
1377 1453
1378 req->type = EIO_MKNOD; 1454 req->type = EIO_MKNOD;
1379 req->sv1 = newSVsv (pathname);
1380 req->ptr1 = SvPVbyte_nolen (req->sv1);
1381 req->int2 = (mode_t)mode; 1455 req->int2 = (mode_t)mode;
1382 req->offs = dev; 1456 req->offs = dev;
1457 req_set_path1 (req, pathname);
1383 1458
1384 REQ_SEND; 1459 REQ_SEND;
1385} 1460}
1386 1461
1387void 1462void
… …
1454 1529
1455 req->type = EIO_MLOCKALL; 1530 req->type = EIO_MLOCKALL;
1456 req->int1 = flags; 1531 req->int1 = flags;
1457 1532
1458 REQ_SEND; 1533 REQ_SEND;
1534}
1535
1536void
1537aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1538 PPCODE:
1539{
1540 int fd = s_fileno_croak (fh, 0);
1541 dREQ;
1542
1543 req->type = EIO_CUSTOM;
1544 req->sv1 = newSVsv (fh);
1545 req->int1 = fd;
1546
1547 req->feed = fiemap;
1548#if HAVE_FIEMAP
1549 /* keep our fingers crossed that the next two types are 64 bit */
1550 req->offs = start;
1551 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1552 req->int2 = flags;
1553 req->int3 = SvOK (count) ? SvIV (count) : -1;
1554#endif
1555
1556 REQ_SEND;
1459} 1557}
1460 1558
1461void 1559void
1462aio_busy (double delay, SV *callback=&PL_sv_undef) 1560aio_busy (double delay, SV *callback=&PL_sv_undef)
1463 PPCODE: 1561 PPCODE:
… …
1587 CODE: 1685 CODE:
1588 RETVAL = posix_fadvise (fh, offset, length, advice); 1686 RETVAL = posix_fadvise (fh, offset, length, advice);
1589 OUTPUT: 1687 OUTPUT:
1590 RETVAL 1688 RETVAL
1591 1689
1592ssize_t 1690IV
1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1691sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594 CODE: 1692 CODE:
1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1693 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596 OUTPUT: 1694 OUTPUT:
1597 RETVAL 1695 RETVAL
1598 1696
1599void 1697void
1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1698mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601 PPCODE: 1699 PPCODE:
1602 sv_unmagic (scalar, MMAP_MAGIC); 1700 sv_unmagic (scalar, MMAP_MAGIC);
1603{ 1701{
1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1702 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1703 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1638 ALIAS: 1736 ALIAS:
1639 mprotect = 1 1737 mprotect = 1
1640 CODE: 1738 CODE:
1641{ 1739{
1642 STRLEN svlen; 1740 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen); 1741 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length); 1742 size_t len = SvUV (length);
1645 1743
1646 if (offset < 0) 1744 if (offset < 0)
1647 offset += svlen; 1745 offset += svlen;
1648 1746
… …
1684 addr = (void *)(((intptr_t)addr) + offset); 1782 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len); 1783 eio_page_align (&addr, &len);
1686#if _POSIX_MEMLOCK_RANGE 1784#if _POSIX_MEMLOCK_RANGE
1687 RETVAL = munlock (addr, len); 1785 RETVAL = munlock (addr, len);
1688#else 1786#else
1689 RETVAL = ((errno = ENOSYS), -1); 1787 RETVAL = EIO_ENOSYS ();
1690#endif 1788#endif
1691} 1789}
1692 OUTPUT: 1790 OUTPUT:
1693 RETVAL 1791 RETVAL
1694 1792
… …
1696munlockall () 1794munlockall ()
1697 CODE: 1795 CODE:
1698#if _POSIX_MEMLOCK 1796#if _POSIX_MEMLOCK
1699 munlockall (); 1797 munlockall ();
1700#else 1798#else
1701 RETVAL = -1; 1799 RETVAL = EIO_ENOSYS ();
1702 errno = ENOSYS;
1703#endif 1800#endif
1704 OUTPUT: 1801 OUTPUT:
1802 RETVAL
1803
1804int
1805splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1806 CODE:
1807{
1808#if HAVE_LINUX_SPLICE
1809 loff_t off_in_, off_out_;
1810 RETVAL = splice (
1811 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1812 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1813 length, flags
1814 );
1815#else
1816 RETVAL = EIO_ENOSYS ();
1817#endif
1818}
1819 OUTPUT:
1820 RETVAL
1821
1822int
1823tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1824 CODE:
1825#if HAVE_LINUX_SPLICE
1826 RETVAL = tee (rfh, wfh, length, flags);
1827#else
1828 RETVAL = EIO_ENOSYS ();
1829#endif
1830 OUTPUT:
1705 RETVAL 1831 RETVAL
1706 1832
1707void _on_next_submit (SV *cb) 1833void _on_next_submit (SV *cb)
1708 CODE: 1834 CODE:
1709 SvREFCNT_dec (on_next_submit); 1835 SvREFCNT_dec (on_next_submit);
1710 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1836 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711 1837
1712PROTOTYPES: DISABLE 1838PROTOTYPES: DISABLE
1713 1839
1840MODULE = IO::AIO PACKAGE = IO::AIO::WD
1841
1842BOOT:
1843{
1844 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1845 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1846}
1847
1848void
1849DESTROY (SV *self)
1850 CODE:
1851{
1852 aio_wd wd = SvAIO_WD (self);
1853#if HAVE_AT
1854 {
1855 SV *callback = &PL_sv_undef;
1856 dREQ; /* clobbers next_pri :/ */
1857 next_pri = req->pri; /* restore next_pri */
1858 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1859 req->type = EIO_WD_CLOSE;
1860 req->wd = wd;
1861 REQ_SEND;
1862 }
1863#else
1864 eio_wd_close_sync (wd);
1865#endif
1866}
1867
1714MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1868MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715 1869
1716void 1870void
1717cancel (aio_req_ornot req) 1871cancel (aio_req_ornot req)
1718 CODE: 1872 CODE:

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