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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.192 by root, Sun Jul 24 03:32:52 2011 UTC vs.
Revision 1.219 by root, Fri Jul 27 18:43:25 2012 UTC

… …
17#include <fcntl.h> 17#include <fcntl.h>
18#include <sched.h> 18#include <sched.h>
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
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
22#endif 31#endif
23 32
24/* perl namespace pollution */ 33/* perl namespace pollution */
25#undef VERSION 34#undef VERSION
26 35
… …
62 #undef dup 71 #undef dup
63 #undef dup2 72 #undef dup2
64 #undef abort 73 #undef abort
65 #undef pipe 74 #undef pipe
66 75
76 #define EIO_STRUCT_STAT struct _stati64
77 #define EIO_STRUCT_STATI64
78
67#else 79#else
68 80
69 #include <sys/time.h> 81 #include <sys/time.h>
70 #include <sys/select.h> 82 #include <sys/select.h>
71 #include <unistd.h> 83 #include <unistd.h>
72 #include <utime.h> 84 #include <utime.h>
73 #include <signal.h> 85 #include <signal.h>
74 86
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
78 88
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 89#endif
89 90
90/*****************************************************************************/ 91/*****************************************************************************/
91 92
92#if __GNUC__ >= 3 93#if __GNUC__ >= 3
… …
102 103
103typedef SV SV8; /* byte-sv, used for argument-checking */ 104typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 105typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 106typedef int aio_wfd; /* write file descriptor */
106 107
107static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108 109
109#define EIO_REQ_MEMBERS \ 110#define EIO_REQ_MEMBERS \
110 SV *callback; \ 111 SV *callback; \
111 SV *sv1, *sv2; \ 112 SV *sv1, *sv2; \
113 SV *sv3, *sv4; \
112 STRLEN stroffset; \ 114 STRLEN stroffset; \
113 SV *self; 115 SV *self;
114 116
115#define EIO_NO_WRAPPERS 1 117#define EIO_NO_WRAPPERS 1
116 118
… …
122static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
123#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
124 126
125#include "libeio/eio.c" 127#include "libeio/eio.c"
126 128
127/* Linux/others */
128#ifndef O_ASYNC
129# define O_ASYNC 0
130#endif
131#ifndef O_DIRECT
132# define O_DIRECT 0
133#endif
134#ifndef O_NOATIME
135# define O_NOATIME 0
136#endif
137
138/* POSIX */
139#ifndef O_CLOEXEC
140# define O_CLOEXEC 0
141#endif
142#ifndef O_NOFOLLOW
143# define O_NOFOLLOW 0
144#endif
145#ifndef O_NOCTTY
146# define O_NOCTTY 0
147#endif
148#ifndef O_NONBLOCK
149# define O_NONBLOCK 0
150#endif
151#ifndef O_EXEC
152# define O_EXEC 0
153#endif
154#ifndef O_SEARCH
155# define O_SEARCH 0
156#endif
157#ifndef O_DIRECTORY
158# define O_DIRECTORY 0
159#endif
160#ifndef O_DSYNC
161# define O_DSYNC 0
162#endif
163#ifndef O_RSYNC
164# define O_RSYNC 0
165#endif
166#ifndef O_SYNC
167# define O_SYNC 0
168#endif
169#ifndef O_TTY_INIT
170# define O_TTY_INIT 0
171#endif
172
173#ifndef POSIX_FADV_NORMAL
174# define POSIX_FADV_NORMAL 0
175#endif
176#ifndef POSIX_FADV_SEQUENTIAL
177# define POSIX_FADV_SEQUENTIAL 0
178#endif
179#ifndef POSIX_FADV_RANDOM
180# define POSIX_FADV_RANDOM 0
181#endif
182#ifndef POSIX_FADV_NOREUSE
183# define POSIX_FADV_NOREUSE 0
184#endif
185#ifndef POSIX_FADV_WILLNEED
186# define POSIX_FADV_WILLNEED 0
187#endif
188#ifndef POSIX_FADV_DONTNEED
189# define POSIX_FADV_DONTNEED 0
190#endif
191
192#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
193# 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 */
194#endif 131#endif
195 132
196#ifndef POSIX_MADV_NORMAL
197# define POSIX_MADV_NORMAL 0
198#endif
199#ifndef POSIX_MADV_SEQUENTIAL
200# define POSIX_MADV_SEQUENTIAL 0
201#endif
202#ifndef POSIX_MADV_RANDOM
203# define POSIX_MADV_RANDOM 0
204#endif
205#ifndef POSIX_MADV_WILLNEED
206# define POSIX_MADV_WILLNEED 0
207#endif
208#ifndef POSIX_MADV_DONTNEED
209# define POSIX_MADV_DONTNEED 0
210#endif
211
212#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
213# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
214#endif
215
216#ifndef PROT_NONE
217# define PROT_NONE 0
218#endif
219#ifndef PROT_READ
220# define PROT_READ 0
221#endif
222#ifndef PROT_WRITE
223# define PROT_READ 0
224#endif
225#ifndef PROT_EXEC
226# define PROT_EXEC 0
227#endif
228
229#ifndef ST_RDONLY
230# define ST_RDONLY 0
231#endif
232#ifndef ST_NOSUID
233# define ST_NOSUID 0
234#endif
235#ifndef ST_NODEV
236# define ST_NODEV 0
237#endif
238#ifndef ST_NOEXEC
239# define ST_NOEXEC 0
240#endif
241#ifndef ST_SYNCHRONOUS
242# define ST_SYNCHRONOUS 0
243#endif
244#ifndef ST_MANDLOCK
245# define ST_MANDLOCK 0
246#endif
247#ifndef ST_WRITE
248# define ST_WRITE 0
249#endif
250#ifndef ST_APPEND
251# define ST_APPEND 0
252#endif
253#ifndef ST_IMMUTABLE
254# define ST_IMMUTABLE 0
255#endif
256#ifndef ST_NOATIME
257# define ST_NOATIME 0
258#endif
259#ifndef ST_NODIRATIME
260# define ST_NODIRATIME 0
261#endif
262#ifndef ST_RELATIME
263# define ST_RELATIME 0
264#endif
265
266#ifndef S_IFIFO
267# define S_IFIFO 0
268#endif
269#ifndef S_IFCHR
270# define S_IFCHR 0
271#endif
272#ifndef S_IFBLK
273# define S_IFBLK 0
274#endif
275#ifndef S_IFLNK
276# define S_IFLNK 0
277#endif
278#ifndef S_IFREG
279# define S_IFREG 0
280#endif
281#ifndef S_IFDIR
282# define S_IFDIR 0
283#endif
284#ifndef S_IFWHT
285# define S_IFWHT 0
286#endif
287#ifndef S_IFSOCK
288# define S_IFSOCK 0
289#endif 135#endif
290 136
291#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
292# ifdef MAP_ANON 138# ifdef MAP_ANON
293# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
294# else 140# else
295# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
296# endif 142# endif
297#endif 143#endif
298#ifndef MAP_HUGETLB 144
299# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
300#endif 146#include "def0.h"
301#ifndef MAP_LOCKED
302# define MAP_LOCKED 0
303#endif
304#ifndef MAP_NORESERVE
305# define MAP_NORESERVE 0
306#endif
307#ifndef MAP_POPULATE
308# define MAP_POPULATE 0
309#endif
310#ifndef MAP_NONBLOCK
311# define MAP_NONBLOCK 0
312#endif
313 147
314#ifndef makedev 148#ifndef makedev
315# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
316#endif 150#endif
317#ifndef major 151#ifndef major
… …
322#endif 156#endif
323 157
324#ifndef PAGESIZE 158#ifndef PAGESIZE
325# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
326#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 < count)
200 /* either autosizing succeeded,
201 * or the file had no extents
202 * or we luckily had enough space */
203 break;
204
205 /* some kernels overwrite fm_length, so just reset everything */
206 fiemap->fm_start = req->offs;
207 fiemap->fm_length = req->size;
208 fiemap->fm_flags = req->int2;
209 fiemap->fm_extent_count = 0;
210
211 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
212 return;
213
214 /* to work around a kernel bug, we allocate one more */
215 count = fiemap->fm_mapped_extents + 1;
216
217 free (fiemap);
218 }
219
220 req->result = 0;
221
222#else
223 errno = ENOSYS;
224#endif
225}
226
227/*****************************************************************************/
327 228
328enum { 229enum {
329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 230 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330}; 231};
331 232
332typedef eio_req *aio_req; 233typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 234typedef eio_req *aio_req_ornot;
235typedef eio_wd aio_wd;
334 236
335static SV *on_next_submit; 237static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 238static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 239static int max_outstanding;
338 240
339static s_epipe respipe; 241static s_epipe respipe;
340 242
341static void req_destroy (aio_req req); 243static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 244static void req_cancel (aio_req req);
343 245
344static void want_poll (void) 246static void
247want_poll (void)
345{ 248{
346 /* write a dummy byte to the pipe so fh becomes ready */ 249 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 250 s_epipe_signal (&respipe);
348} 251}
349 252
350static void done_poll (void) 253static void
254done_poll (void)
351{ 255{
352 /* read any signals sent by the worker threads */ 256 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 257 s_epipe_drain (&respipe);
354} 258}
355 259
356/* must be called at most once */ 260/* must be called at most once */
261static SV *
357static SV *req_sv (aio_req req, HV *stash) 262req_sv (aio_req req, HV *stash)
358{ 263{
359 if (!req->self) 264 if (!req->self)
360 { 265 {
361 req->self = (SV *)newHV (); 266 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 267 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 268 }
364 269
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 270 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 271}
367 272
368static aio_req SvAIO_REQ (SV *sv) 273static SV *
274newSVaio_wd (aio_wd wd)
275{
276 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
277}
278
279static aio_req
280SvAIO_REQ (SV *sv)
369{ 281{
370 MAGIC *mg; 282 MAGIC *mg;
371 283
372 if (!SvROK (sv) 284 if (!SvROK (sv)
285 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 286 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 287 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 288 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 289 croak ("object of class IO::AIO::REQ expected");
377 290
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 291 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 292
380 return mg ? (aio_req)mg->mg_ptr : 0; 293 return mg ? (aio_req)mg->mg_ptr : 0;
381} 294}
382 295
296static aio_wd
297SvAIO_WD (SV *sv)
298{
299 if (!SvROK (sv)
300 || SvTYPE (SvRV (sv)) != SVt_PVMG
301 || SvSTASH (SvRV (sv)) != aio_wd_stash)
302 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
303
304 return (aio_wd)(long)SvIVX (SvRV (sv));
305}
306
307static void
383static void aio_grp_feed (aio_req grp) 308aio_grp_feed (aio_req grp)
384{ 309{
385 if (grp->sv2 && SvOK (grp->sv2)) 310 if (grp->sv2 && SvOK (grp->sv2))
386 { 311 {
387 dSP; 312 dSP;
388 313
… …
396 FREETMPS; 321 FREETMPS;
397 LEAVE; 322 LEAVE;
398 } 323 }
399} 324}
400 325
326static void
401static void req_submit (eio_req *req) 327req_submit (eio_req *req)
402{ 328{
403 eio_submit (req); 329 eio_submit (req);
404 330
405 if (expect_false (on_next_submit)) 331 if (expect_false (on_next_submit))
406 { 332 {
… …
413 PUTBACK; 339 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 340 call_sv (cb, G_DISCARD | G_EVAL);
415 } 341 }
416} 342}
417 343
344static int
418static int req_invoke (eio_req *req) 345req_invoke (eio_req *req)
419{ 346{
420 if (req->flags & FLAG_SV2_RO_OFF) 347 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 348 SvREADONLY_off (req->sv2);
422 349
423 if (!EIO_CANCELLED (req) && req->callback) 350 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 371 SvREADONLY_on (sv_result);
445 } 372 }
446 373
447 switch (req->type) 374 switch (req->type)
448 { 375 {
376 case EIO_WD_OPEN:
377 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
378 break;
379
449 case EIO_READDIR: 380 case EIO_READDIR:
450 { 381 {
451 SV *rv = &PL_sv_undef; 382 SV *rv = &PL_sv_undef;
452 383
453 if (req->result >= 0) 384 if (req->result >= 0)
… …
595 break; 526 break;
596 527
597 case EIO_STAT: 528 case EIO_STAT:
598 case EIO_LSTAT: 529 case EIO_LSTAT:
599 case EIO_FSTAT: 530 case EIO_FSTAT:
600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 531 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
532
601 PL_laststatval = req->result; 533 if (!(PL_laststatval = req->result))
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 534 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 535 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
536
604 PUSHs (sv_result); 537 PUSHs (sv_result);
538 break;
539
540 case EIO_SEEK:
541 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
605 break; 542 break;
606 543
607 case EIO_READ: 544 case EIO_READ:
608 { 545 {
609 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 546 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
612 SvSETMAGIC (req->sv2); 549 SvSETMAGIC (req->sv2);
613 PUSHs (sv_result); 550 PUSHs (sv_result);
614 } 551 }
615 break; 552 break;
616 553
554 case EIO_CUSTOM:
555 if (req->feed == fiemap)
556 {
557#if HAVE_FIEMAP
558 if (!req->result)
559 {
560 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
561
562 if (fiemap->fm_extent_count)
563 {
564 AV *av = newAV ();
565 int i;
566
567 while (fiemap->fm_mapped_extents)
568 {
569 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
570 AV *ext_av = newAV ();
571
572 av_store (ext_av, 3, newSVuv (extent->fe_flags));
573 av_store (ext_av, 2, newSVval64 (extent->fe_length));
574 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
575 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
576
577 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
578 }
579
580 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
581 }
582 else
583 {
584 SvIV_set (sv_result, fiemap->fm_mapped_extents);
585 PUSHs (sv_result);
586 }
587 }
588#endif
589 }
590 else
591 PUSHs (sv_result);
592 break;
593
617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 594 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
618 if (req->result > 0) 595 if (req->result > 0)
619 SvIV_set (sv_result, 0); 596 SvIV_set (sv_result, 0);
620 /* FALLTHROUGH */ 597 /* FALLTHROUGH */
621 598
… …
642 } 619 }
643 620
644 return !!SvTRUE (ERRSV); 621 return !!SvTRUE (ERRSV);
645} 622}
646 623
624static void
647static void req_destroy (aio_req req) 625req_destroy (aio_req req)
648{ 626{
649 if (req->self) 627 if (req->self)
650 { 628 {
651 sv_unmagic (req->self, PERL_MAGIC_ext); 629 sv_unmagic (req->self, PERL_MAGIC_ext);
652 SvREFCNT_dec (req->self); 630 SvREFCNT_dec (req->self);
653 } 631 }
654 632
655 SvREFCNT_dec (req->sv1); 633 SvREFCNT_dec (req->sv1);
656 SvREFCNT_dec (req->sv2); 634 SvREFCNT_dec (req->sv2);
635 SvREFCNT_dec (req->sv3);
636 SvREFCNT_dec (req->sv4);
657 SvREFCNT_dec (req->callback); 637 SvREFCNT_dec (req->callback);
658 638
659 Safefree (req); 639 free (req);
660} 640}
661 641
642static void
662static void req_cancel_subs (aio_req grp) 643req_cancel_subs (aio_req grp)
663{ 644{
664 if (grp->type != EIO_GROUP) 645 if (grp->type != EIO_GROUP)
665 return; 646 return;
666 647
667 SvREFCNT_dec (grp->sv2); 648 SvREFCNT_dec (grp->sv2);
668 grp->sv2 = 0; 649 grp->sv2 = 0;
669 650
670 eio_grp_cancel (grp); 651 eio_grp_cancel (grp);
671} 652}
672 653
654static void ecb_cold
673static void create_respipe (void) 655create_respipe (void)
674{ 656{
675 if (s_epipe_renew (&respipe)) 657 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 658 croak ("IO::AIO: unable to initialize result pipe");
677} 659}
678 660
679static void poll_wait (void) 661static void
662poll_wait (void)
680{ 663{
681 while (eio_nreqs ()) 664 while (eio_nreqs ())
682 { 665 {
683 int size; 666 int size;
684 667
… …
693 676
694 s_epipe_wait (&respipe); 677 s_epipe_wait (&respipe);
695 } 678 }
696} 679}
697 680
698static int poll_cb (void) 681static int
682poll_cb (void)
699{ 683{
700 for (;;) 684 for (;;)
701 { 685 {
702 int res = eio_poll (); 686 int res = eio_poll ();
703 687
… …
721} 705}
722 706
723/*****************************************************************************/ 707/*****************************************************************************/
724 708
725#if !_POSIX_MAPPED_FILES 709#if !_POSIX_MAPPED_FILES
726# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 710# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
727# define munmap(addr,length) (errno = ENOSYS, -1) 711# define munmap(addr,length) EIO_ENOSYS ()
728#endif 712#endif
729 713
730#if !_POSIX_MEMORY_PROTECTION 714#if !_POSIX_MEMORY_PROTECTION
731# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 715# define mprotect(addr,len,prot) EIO_ENOSYS ()
732# define PROT_NONE 0 716# define PROT_NONE 0
733# define PROT_WRITE 0 717# define PROT_WRITE 0
734# define MAP_PRIVATE 0 718# define MAP_PRIVATE 0
735# define MAP_SHARED 0 719# define MAP_SHARED 0
736# define MAP_FIXED 0 720# define MAP_FIXED 0
737#endif 721#endif
738 722
739#define MMAP_MAGIC PERL_MAGIC_ext 723#define MMAP_MAGIC PERL_MAGIC_ext
740 724
725static int ecb_cold
741static int mmap_free (pTHX_ SV *sv, MAGIC *mg) 726mmap_free (pTHX_ SV *sv, MAGIC *mg)
742{ 727{
743 int old_errno = errno; 728 int old_errno = errno;
744 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 729 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745 errno = old_errno; 730 errno = old_errno;
746 731
… …
762 0, 0, 0, 0, mmap_free 747 0, 0, 0, 0, mmap_free
763}; 748};
764 749
765/*****************************************************************************/ 750/*****************************************************************************/
766 751
752static SV *
767static SV * get_cb (SV *cb_sv) 753get_cb (SV *cb_sv)
768{ 754{
769 SvGETMAGIC (cb_sv); 755 SvGETMAGIC (cb_sv);
770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 756 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771} 757}
772 758
759static aio_req ecb_noinline
760dreq (SV *callback)
761{
762 SV *cb_cv;
763 aio_req req;
764 int req_pri = next_pri;
765 next_pri = EIO_PRI_DEFAULT;
766
767 cb_cv = get_cb (callback);
768
769 req = calloc (sizeof (*req), 1);
770 if (!req)
771 croak ("out of memory during eio_req allocation");
772
773 req->callback = SvREFCNT_inc (cb_cv);
774 req->pri = req_pri;
775
776 return req;
777}
778
773#define dREQ \ 779#define dREQ \
774 SV *cb_cv; \ 780 aio_req req = dreq (callback); \
775 aio_req req; \
776 int req_pri = next_pri; \
777 next_pri = EIO_PRI_DEFAULT; \
778 \
779 cb_cv = get_cb (callback); \
780 \
781 Newz (0, req, 1, eio_req); \
782 if (!req) \
783 croak ("out of memory during eio_req allocation"); \
784 \
785 req->callback = SvREFCNT_inc (cb_cv); \
786 req->pri = req_pri
787 781
788#define REQ_SEND \ 782#define REQ_SEND \
789 PUTBACK; \ 783 PUTBACK; \
790 req_submit (req); \ 784 req_submit (req); \
791 SPAGAIN; \ 785 SPAGAIN; \
792 \ 786 \
793 if (GIMME_V != G_VOID) \ 787 if (GIMME_V != G_VOID) \
794 XPUSHs (req_sv (req, aio_req_stash)); 788 XPUSHs (req_sv (req, aio_req_stash));
795 789
790ecb_inline void
791req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
792{
793 if (expect_false (SvROK (path)))
794 {
795 SV *rv = SvRV (path);
796 SV *wdob;
797
798 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
799 {
800 path = AvARRAY (rv)[1];
801 wdob = AvARRAY (rv)[0];
802
803 if (SvOK (wdob))
804 {
805 *wd = SvAIO_WD (wdob);
806 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
807 }
808 else
809 *wd = EIO_INVALID_WD;
810 }
811 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
812 {
813 *wd = (aio_wd)(long)SvIVX (rv);
814 *wdsv = SvREFCNT_inc_NN (rv);
815 *ptr = ".";
816 return; /* path set to "." */
817 }
818 else
819 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
820 }
821
822 *pathsv = newSVsv (path);
823 *ptr = SvPVbyte_nolen (*pathsv);
824}
825
826static void ecb_noinline
827req_set_path1 (aio_req req, SV *path)
828{
829 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
830}
831
832static void ecb_noinline
833req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
834{
835 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
836
837 switch (SvTYPE (rv))
838 {
839 case SVt_PVIO:
840 case SVt_PVLV:
841 case SVt_PVGV:
842 req->type = type_fh;
843 req->sv1 = newSVsv (fh_or_path);
844 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
845 break;
846
847 default:
848 req->type = type_path;
849 req_set_path1 (req, fh_or_path);
850 break;
851 }
852}
853
854XS(boot_IO__AIO) ecb_cold;
855
796MODULE = IO::AIO PACKAGE = IO::AIO 856MODULE = IO::AIO PACKAGE = IO::AIO
797 857
798PROTOTYPES: ENABLE 858PROTOTYPES: ENABLE
799 859
800BOOT: 860BOOT:
… …
804 IV iv; 864 IV iv;
805 } *civ, const_iv[] = { 865 } *civ, const_iv[] = {
806# define const_niv(name, value) { # name, (IV) value }, 866# define const_niv(name, value) { # name, (IV) value },
807# define const_iv(name) { # name, (IV) name }, 867# define const_iv(name) { # name, (IV) name },
808# define const_eio(name) { # name, (IV) EIO_ ## name }, 868# define const_eio(name) { # name, (IV) EIO_ ## name },
869
870 /* you have to re-run ./gendef0 after adding/Removing any constants here */
871
872 const_iv (ENOSYS)
809 const_iv (EXDEV) 873 const_iv (EXDEV)
810 const_iv (ENOSYS) 874 const_iv (EBADR)
875
811 const_iv (O_RDONLY) 876 const_iv (O_RDONLY)
812 const_iv (O_WRONLY) 877 const_iv (O_WRONLY)
813 const_iv (O_RDWR) 878 const_iv (O_RDWR)
814 const_iv (O_CREAT) 879 const_iv (O_CREAT)
815 const_iv (O_TRUNC) 880 const_iv (O_TRUNC)
… …
883 const_iv (MAP_LOCKED) 948 const_iv (MAP_LOCKED)
884 const_iv (MAP_NORESERVE) 949 const_iv (MAP_NORESERVE)
885 const_iv (MAP_POPULATE) 950 const_iv (MAP_POPULATE)
886 const_iv (MAP_NONBLOCK) 951 const_iv (MAP_NONBLOCK)
887 952
953 const_iv (FIEMAP_FLAG_SYNC)
954 const_iv (FIEMAP_FLAG_XATTR)
955 const_iv (FIEMAP_FLAGS_COMPAT)
956 const_iv (FIEMAP_EXTENT_LAST)
957 const_iv (FIEMAP_EXTENT_UNKNOWN)
958 const_iv (FIEMAP_EXTENT_DELALLOC)
959 const_iv (FIEMAP_EXTENT_ENCODED)
960 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
961 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
962 const_iv (FIEMAP_EXTENT_DATA_INLINE)
963 const_iv (FIEMAP_EXTENT_DATA_TAIL)
964 const_iv (FIEMAP_EXTENT_UNWRITTEN)
965 const_iv (FIEMAP_EXTENT_MERGED)
966 const_iv (FIEMAP_EXTENT_SHARED)
967
968 const_iv (SPLICE_F_MOVE)
969 const_iv (SPLICE_F_NONBLOCK)
970 const_iv (SPLICE_F_MORE)
971 const_iv (SPLICE_F_GIFT)
972
973 const_iv (SEEK_DATA)
974 const_iv (SEEK_HOLE)
975
976 /* libeio constants */
977 const_eio (SEEK_SET)
978 const_eio (SEEK_CUR)
979 const_eio (SEEK_END)
980
888 const_eio (MCL_FUTURE) 981 const_eio (MCL_FUTURE)
889 const_eio (MCL_CURRENT) 982 const_eio (MCL_CURRENT)
890 983
891 const_eio (MS_ASYNC) 984 const_eio (MS_ASYNC)
892 const_eio (MS_INVALIDATE) 985 const_eio (MS_INVALIDATE)
… …
897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 990 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898 const_eio (SYNC_FILE_RANGE_WRITE) 991 const_eio (SYNC_FILE_RANGE_WRITE)
899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 992 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900 993
901 const_eio (FALLOC_FL_KEEP_SIZE) 994 const_eio (FALLOC_FL_KEEP_SIZE)
995 const_eio (FALLOC_FL_PUNCH_HOLE)
902 996
903 const_eio (READDIR_DENTS) 997 const_eio (READDIR_DENTS)
904 const_eio (READDIR_DIRS_FIRST) 998 const_eio (READDIR_DIRS_FIRST)
905 const_eio (READDIR_STAT_ORDER) 999 const_eio (READDIR_STAT_ORDER)
906 const_eio (READDIR_FOUND_UNKNOWN) 1000 const_eio (READDIR_FOUND_UNKNOWN)
… …
917 }; 1011 };
918 1012
919 aio_stash = gv_stashpv ("IO::AIO" , 1); 1013 aio_stash = gv_stashpv ("IO::AIO" , 1);
920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1014 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1015 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1016 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
922 1017
923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1018 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
924 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1019 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925 1020
926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1021 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
927 1022
928 reinit (); 1023 reinit ();
929} 1024}
930 1025
931void 1026void
932reinit () 1027reinit ()
933 PROTOTYPE: 1028 PROTOTYPE:
934 CODE:
935 reinit ();
936 1029
937void 1030void
938max_poll_reqs (unsigned int nreqs) 1031max_poll_reqs (unsigned int nreqs)
939 PROTOTYPE: $ 1032 PROTOTYPE: $
940 CODE: 1033 CODE:
… …
975 PROTOTYPE: $ 1068 PROTOTYPE: $
976 CODE: 1069 CODE:
977 max_outstanding = maxreqs; 1070 max_outstanding = maxreqs;
978 1071
979void 1072void
1073aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1074 PPCODE:
1075{
1076 dREQ;
1077
1078 req->type = EIO_WD_OPEN;
1079 req_set_path1 (req, pathname);
1080
1081 REQ_SEND;
1082}
1083
1084void
980aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1085aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
981 PPCODE: 1086 PPCODE:
982{ 1087{
983 dREQ; 1088 dREQ;
984 1089
985 req->type = EIO_OPEN; 1090 req->type = EIO_OPEN;
986 req->sv1 = newSVsv (pathname); 1091 req_set_path1 (req, pathname);
987 req->ptr1 = SvPVbyte_nolen (req->sv1);
988 req->int1 = flags; 1092 req->int1 = flags;
989 req->int2 = mode; 1093 req->int2 = mode;
990 1094
991 REQ_SEND; 1095 REQ_SEND;
992} 1096}
… …
1004 1108
1005 req->type = ix; 1109 req->type = ix;
1006 req->sv1 = newSVsv (fh); 1110 req->sv1 = newSVsv (fh);
1007 req->int1 = fd; 1111 req->int1 = fd;
1008 1112
1009 REQ_SEND (req); 1113 REQ_SEND;
1010} 1114}
1011 1115
1012void 1116void
1013aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1117aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1014 PPCODE: 1118 PPCODE:
… …
1021 req->int1 = fd; 1125 req->int1 = fd;
1022 req->offs = offset; 1126 req->offs = offset;
1023 req->size = nbytes; 1127 req->size = nbytes;
1024 req->int2 = flags; 1128 req->int2 = flags;
1025 1129
1026 REQ_SEND (req); 1130 REQ_SEND;
1027} 1131}
1028 1132
1029void 1133void
1030aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1134aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1031 PPCODE: 1135 PPCODE:
… …
1038 req->int1 = fd; 1142 req->int1 = fd;
1039 req->int2 = mode; 1143 req->int2 = mode;
1040 req->offs = offset; 1144 req->offs = offset;
1041 req->size = len; 1145 req->size = len;
1042 1146
1043 REQ_SEND (req); 1147 REQ_SEND;
1044} 1148}
1045 1149
1046void 1150void
1047aio_close (SV *fh, SV *callback=&PL_sv_undef) 1151aio_close (SV *fh, SV *callback=&PL_sv_undef)
1048 PPCODE: 1152 PPCODE:
… …
1072 req->type = EIO_DUP2; 1176 req->type = EIO_DUP2;
1073 req->int1 = close_fd; 1177 req->int1 = close_fd;
1074 req->sv2 = newSVsv (fh); 1178 req->sv2 = newSVsv (fh);
1075 req->int2 = fd; 1179 req->int2 = fd;
1076 1180
1077 REQ_SEND (req); 1181 REQ_SEND;
1182}
1183
1184void
1185aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1186 PPCODE:
1187{
1188 int fd = s_fileno_croak (fh, 0);
1189 dREQ;
1190
1191 req->type = EIO_SEEK;
1192 req->sv1 = newSVsv (fh);
1193 req->int1 = fd;
1194 req->offs = SvVAL64 (offset);
1195 req->int2 = whence;
1196
1197 REQ_SEND;
1078} 1198}
1079 1199
1080void 1200void
1081aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1201aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1082 ALIAS: 1202 ALIAS:
… …
1103 } 1223 }
1104 else 1224 else
1105 { 1225 {
1106 /* read: check type and grow scalar as necessary */ 1226 /* read: check type and grow scalar as necessary */
1107 SvUPGRADE (data, SVt_PV); 1227 SvUPGRADE (data, SVt_PV);
1228 if (SvLEN (data) >= SvCUR (data))
1108 svptr = SvGROW (data, len + dataoffset + 1); 1229 svptr = SvGROW (data, len + dataoffset + 1);
1230 else if (SvCUR (data) < len + dataoffset)
1231 croak ("length + dataoffset outside of scalar, and cannot grow");
1109 } 1232 }
1110 1233
1111 { 1234 {
1112 dREQ; 1235 dREQ;
1113 1236
… …
1129 REQ_SEND; 1252 REQ_SEND;
1130 } 1253 }
1131} 1254}
1132 1255
1133void 1256void
1134aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1257aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1135 ALIAS: 1258 ALIAS:
1136 aio_readlink = EIO_READLINK 1259 aio_readlink = EIO_READLINK
1137 aio_realpath = EIO_REALPATH 1260 aio_realpath = EIO_REALPATH
1138 PPCODE: 1261 PPCODE:
1139{ 1262{
1140 dREQ; 1263 dREQ;
1141 1264
1142 req->type = ix; 1265 req->type = ix;
1143 req->sv1 = newSVsv (path); 1266 req_set_path1 (req, pathname);
1144 req->ptr1 = SvPVbyte_nolen (req->sv1);
1145 1267
1146 REQ_SEND; 1268 REQ_SEND;
1147} 1269}
1148 1270
1149void 1271void
… …
1189 aio_statvfs = EIO_STATVFS 1311 aio_statvfs = EIO_STATVFS
1190 PPCODE: 1312 PPCODE:
1191{ 1313{
1192 dREQ; 1314 dREQ;
1193 1315
1194 req->sv1 = newSVsv (fh_or_path); 1316 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1195
1196 if (SvPOK (req->sv1))
1197 {
1198 req->type = ix;
1199 req->ptr1 = SvPVbyte_nolen (req->sv1);
1200 }
1201 else
1202 {
1203 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1204 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1205 }
1206 1317
1207 REQ_SEND; 1318 REQ_SEND;
1208} 1319}
1209 1320
1210UV 1321UV
… …
1229{ 1340{
1230 dREQ; 1341 dREQ;
1231 1342
1232 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1343 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1233 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1344 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1234 req->sv1 = newSVsv (fh_or_path); 1345 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1235
1236 if (SvPOK (req->sv1))
1237 {
1238 req->type = EIO_UTIME;
1239 req->ptr1 = SvPVbyte_nolen (req->sv1);
1240 }
1241 else
1242 {
1243 req->type = EIO_FUTIME;
1244 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1245 }
1246 1346
1247 REQ_SEND; 1347 REQ_SEND;
1248} 1348}
1249 1349
1250void 1350void
1251aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1351aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1252 PPCODE: 1352 PPCODE:
1253{ 1353{
1254 dREQ; 1354 dREQ;
1255 1355
1256 req->sv1 = newSVsv (fh_or_path);
1257 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1356 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1258 1357 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1259 if (SvPOK (req->sv1))
1260 {
1261 req->type = EIO_TRUNCATE;
1262 req->ptr1 = SvPVbyte_nolen (req->sv1);
1263 }
1264 else
1265 {
1266 req->type = EIO_FTRUNCATE;
1267 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1268 }
1269 1358
1270 REQ_SEND; 1359 REQ_SEND;
1271} 1360}
1272 1361
1273void 1362void
1274aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1363aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1275 ALIAS:
1276 aio_chmod = EIO_CHMOD
1277 aio_mkdir = EIO_MKDIR
1278 PPCODE: 1364 PPCODE:
1279{ 1365{
1280 dREQ; 1366 dREQ;
1281 1367
1282 req->int2 = mode; 1368 req->int2 = mode;
1283 req->sv1 = newSVsv (fh_or_path); 1369 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1284
1285 if (SvPOK (req->sv1))
1286 {
1287 req->type = ix;
1288 req->ptr1 = SvPVbyte_nolen (req->sv1);
1289 }
1290 else
1291 {
1292 req->type = EIO_FCHMOD;
1293 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1294 }
1295 1370
1296 REQ_SEND; 1371 REQ_SEND;
1297} 1372}
1298 1373
1299void 1374void
… …
1302{ 1377{
1303 dREQ; 1378 dREQ;
1304 1379
1305 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1380 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1306 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1381 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1307 req->sv1 = newSVsv (fh_or_path); 1382 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1308
1309 if (SvPOK (req->sv1))
1310 {
1311 req->type = EIO_CHOWN;
1312 req->ptr1 = SvPVbyte_nolen (req->sv1);
1313 }
1314 else
1315 {
1316 req->type = EIO_FCHOWN;
1317 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1318 }
1319 1383
1320 REQ_SEND; 1384 REQ_SEND;
1321} 1385}
1322 1386
1323void 1387void
… …
1325 PPCODE: 1389 PPCODE:
1326{ 1390{
1327 dREQ; 1391 dREQ;
1328 1392
1329 req->type = EIO_READDIR; 1393 req->type = EIO_READDIR;
1330 req->sv1 = newSVsv (pathname);
1331 req->ptr1 = SvPVbyte_nolen (req->sv1);
1332 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1394 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1333 1395
1334 if (flags & EIO_READDIR_DENTS) 1396 if (flags & EIO_READDIR_DENTS)
1335 req->int1 |= EIO_READDIR_CUSTOM2; 1397 req->int1 |= EIO_READDIR_CUSTOM2;
1336 1398
1399 req_set_path1 (req, pathname);
1400
1337 REQ_SEND; 1401 REQ_SEND;
1402}
1403
1404void
1405aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1406 PPCODE:
1407{
1408 dREQ;
1409
1410 req->type = EIO_MKDIR;
1411 req->int2 = mode;
1412 req_set_path1 (req, pathname);
1413
1414 REQ_SEND;
1338} 1415}
1339 1416
1340void 1417void
1341aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1418aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1342 ALIAS: 1419 ALIAS:
… …
1346 PPCODE: 1423 PPCODE:
1347{ 1424{
1348 dREQ; 1425 dREQ;
1349 1426
1350 req->type = ix; 1427 req->type = ix;
1351 req->sv1 = newSVsv (pathname); 1428 req_set_path1 (req, pathname);
1352 req->ptr1 = SvPVbyte_nolen (req->sv1);
1353 1429
1354 REQ_SEND; 1430 REQ_SEND;
1355} 1431}
1356 1432
1357void 1433void
… …
1360 aio_link = EIO_LINK 1436 aio_link = EIO_LINK
1361 aio_symlink = EIO_SYMLINK 1437 aio_symlink = EIO_SYMLINK
1362 aio_rename = EIO_RENAME 1438 aio_rename = EIO_RENAME
1363 PPCODE: 1439 PPCODE:
1364{ 1440{
1441 eio_wd wd2 = 0;
1365 dREQ; 1442 dREQ;
1366 1443
1367 req->type = ix; 1444 req->type = ix;
1368 req->sv1 = newSVsv (oldpath); 1445 req_set_path1 (req, oldpath);
1369 req->ptr1 = SvPVbyte_nolen (req->sv1); 1446 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1370 req->sv2 = newSVsv (newpath); 1447 req->int3 = (long)wd2;
1371 req->ptr2 = SvPVbyte_nolen (req->sv2);
1372 1448
1373 REQ_SEND; 1449 REQ_SEND;
1374} 1450}
1375 1451
1376void 1452void
… …
1378 PPCODE: 1454 PPCODE:
1379{ 1455{
1380 dREQ; 1456 dREQ;
1381 1457
1382 req->type = EIO_MKNOD; 1458 req->type = EIO_MKNOD;
1383 req->sv1 = newSVsv (pathname);
1384 req->ptr1 = SvPVbyte_nolen (req->sv1);
1385 req->int2 = (mode_t)mode; 1459 req->int2 = (mode_t)mode;
1386 req->offs = dev; 1460 req->offs = dev;
1461 req_set_path1 (req, pathname);
1387 1462
1388 REQ_SEND; 1463 REQ_SEND;
1389} 1464}
1390 1465
1391void 1466void
… …
1458 1533
1459 req->type = EIO_MLOCKALL; 1534 req->type = EIO_MLOCKALL;
1460 req->int1 = flags; 1535 req->int1 = flags;
1461 1536
1462 REQ_SEND; 1537 REQ_SEND;
1538}
1539
1540void
1541aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1542 PPCODE:
1543{
1544 int fd = s_fileno_croak (fh, 0);
1545 dREQ;
1546
1547 req->type = EIO_CUSTOM;
1548 req->sv1 = newSVsv (fh);
1549 req->int1 = fd;
1550
1551 req->feed = fiemap;
1552#if HAVE_FIEMAP
1553 /* keep our fingers crossed that the next two types are 64 bit */
1554 req->offs = start;
1555 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1556 req->int2 = flags;
1557 req->int3 = SvOK (count) ? SvIV (count) : -1;
1558#endif
1559
1560 REQ_SEND;
1463} 1561}
1464 1562
1465void 1563void
1466aio_busy (double delay, SV *callback=&PL_sv_undef) 1564aio_busy (double delay, SV *callback=&PL_sv_undef)
1467 PPCODE: 1565 PPCODE:
… …
1599 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1697 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1600 OUTPUT: 1698 OUTPUT:
1601 RETVAL 1699 RETVAL
1602 1700
1603void 1701void
1604mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1702mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1605 PPCODE: 1703 PPCODE:
1606 sv_unmagic (scalar, MMAP_MAGIC); 1704 sv_unmagic (scalar, MMAP_MAGIC);
1607{ 1705{
1608 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1706 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1609 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1707 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1642 ALIAS: 1740 ALIAS:
1643 mprotect = 1 1741 mprotect = 1
1644 CODE: 1742 CODE:
1645{ 1743{
1646 STRLEN svlen; 1744 STRLEN svlen;
1647 void *addr = SvPVbyte (scalar, svlen); 1745 void *addr = SvPVbyte (scalar, svlen);
1648 size_t len = SvUV (length); 1746 size_t len = SvUV (length);
1649 1747
1650 if (offset < 0) 1748 if (offset < 0)
1651 offset += svlen; 1749 offset += svlen;
1652 1750
… …
1688 addr = (void *)(((intptr_t)addr) + offset); 1786 addr = (void *)(((intptr_t)addr) + offset);
1689 eio_page_align (&addr, &len); 1787 eio_page_align (&addr, &len);
1690#if _POSIX_MEMLOCK_RANGE 1788#if _POSIX_MEMLOCK_RANGE
1691 RETVAL = munlock (addr, len); 1789 RETVAL = munlock (addr, len);
1692#else 1790#else
1693 RETVAL = ((errno = ENOSYS), -1); 1791 RETVAL = EIO_ENOSYS ();
1694#endif 1792#endif
1695} 1793}
1696 OUTPUT: 1794 OUTPUT:
1697 RETVAL 1795 RETVAL
1698 1796
… …
1700munlockall () 1798munlockall ()
1701 CODE: 1799 CODE:
1702#if _POSIX_MEMLOCK 1800#if _POSIX_MEMLOCK
1703 munlockall (); 1801 munlockall ();
1704#else 1802#else
1705 RETVAL = -1; 1803 RETVAL = EIO_ENOSYS ();
1706 errno = ENOSYS;
1707#endif 1804#endif
1708 OUTPUT: 1805 OUTPUT:
1806 RETVAL
1807
1808int
1809splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1810 CODE:
1811{
1812#if HAVE_LINUX_SPLICE
1813 loff_t off_in_, off_out_;
1814 RETVAL = splice (
1815 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1816 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1817 length, flags
1818 );
1819#else
1820 RETVAL = EIO_ENOSYS ();
1821#endif
1822}
1823 OUTPUT:
1824 RETVAL
1825
1826int
1827tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1828 CODE:
1829#if HAVE_LINUX_SPLICE
1830 RETVAL = tee (rfh, wfh, length, flags);
1831#else
1832 RETVAL = EIO_ENOSYS ();
1833#endif
1834 OUTPUT:
1709 RETVAL 1835 RETVAL
1710 1836
1711void _on_next_submit (SV *cb) 1837void _on_next_submit (SV *cb)
1712 CODE: 1838 CODE:
1713 SvREFCNT_dec (on_next_submit); 1839 SvREFCNT_dec (on_next_submit);
1714 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1840 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1715 1841
1716PROTOTYPES: DISABLE 1842PROTOTYPES: DISABLE
1717 1843
1844MODULE = IO::AIO PACKAGE = IO::AIO::WD
1845
1846BOOT:
1847{
1848 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1849 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1850}
1851
1852void
1853DESTROY (SV *self)
1854 CODE:
1855{
1856 aio_wd wd = SvAIO_WD (self);
1857#if HAVE_AT
1858 {
1859 SV *callback = &PL_sv_undef;
1860 dREQ; /* clobbers next_pri :/ */
1861 next_pri = req->pri; /* restore next_pri */
1862 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1863 req->type = EIO_WD_CLOSE;
1864 req->wd = wd;
1865 REQ_SEND;
1866 }
1867#else
1868 eio_wd_close_sync (wd);
1869#endif
1870}
1871
1718MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1872MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1719 1873
1720void 1874void
1721cancel (aio_req_ornot req) 1875cancel (aio_req_ornot req)
1722 CODE: 1876 CODE:

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