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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.193 by root, Mon Jul 25 16:51:07 2011 UTC vs.
Revision 1.221 by root, Wed Aug 22 22:28:03 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 /* assume some c99 */
171 struct fiemap *fiemap = 0;
172 size_t end_offset;
173 int count = req->int3;
174
175 req->flags |= EIO_FLAG_PTR1_FREE;
176
177 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
178 /* increase in 3.5kb steps */
179 if (count < 0)
180 count = 8;
181
182 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
183 errno = ENOMEM;
184 if (!fiemap)
185 return;
186
187 req->ptr1 = fiemap;
188
189 fiemap->fm_start = req->offs;
190 fiemap->fm_length = req->size;
191 fiemap->fm_flags = req->int2;
192 fiemap->fm_extent_count = count;
193
194 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
195 return;
196
197 if (req->int3 >= 0 /* not autosizing */
198 || !fiemap->fm_mapped_extents /* no more extents */
199 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
200 goto done;
201
202 /* else we have to loop -
203 * it would be tempting (atcually I tried that first) to just query the
204 * number of extents needed, but linux often feels like not returning all
205 * extents, without telling us it left any out. this complicates
206 * this quite a bit.
207 */
208
209 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
210
211 for (;;)
212 {
213 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
214 char scratch[3072];
215 struct fiemap *incmap = (struct fiemap *)scratch;
216
217 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
218 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
219 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
220 incmap->fm_flags = fiemap->fm_flags;
221 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
222
223 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap))
224 return;
225
226 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
227 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
228 errno = ENOMEM;
229 if (!fiemap)
230 return;
231
232 req->ptr1 = fiemap;
233
234 for (count = 0; count < incmap->fm_mapped_extents; ++count)
235 {
236 struct fiemap_extent *e = incmap->fm_extents + count;
237
238 if (e->fe_logical + e->fe_length >= end_offset)
239 goto done;
240
241 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
242
243 if (e->fe_flags & FIEMAP_EXTENT_LAST)
244 goto done;
245
246 }
247 }
248
249done:
250 req->result = 0;
251
252#else
253 errno = ENOSYS;
254#endif
255}
256
257/*****************************************************************************/
327 258
328enum { 259enum {
329 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 260 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
330}; 261};
331 262
332typedef eio_req *aio_req; 263typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 264typedef eio_req *aio_req_ornot;
265typedef eio_wd aio_wd;
334 266
335static SV *on_next_submit; 267static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 268static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 269static int max_outstanding;
338 270
339static s_epipe respipe; 271static s_epipe respipe;
340 272
341static void req_destroy (aio_req req); 273static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 274static void req_cancel (aio_req req);
343 275
344static void want_poll (void) 276static void
277want_poll (void)
345{ 278{
346 /* write a dummy byte to the pipe so fh becomes ready */ 279 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 280 s_epipe_signal (&respipe);
348} 281}
349 282
350static void done_poll (void) 283static void
284done_poll (void)
351{ 285{
352 /* read any signals sent by the worker threads */ 286 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 287 s_epipe_drain (&respipe);
354} 288}
355 289
356/* must be called at most once */ 290/* must be called at most once */
291static SV *
357static SV *req_sv (aio_req req, HV *stash) 292req_sv (aio_req req, HV *stash)
358{ 293{
359 if (!req->self) 294 if (!req->self)
360 { 295 {
361 req->self = (SV *)newHV (); 296 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 297 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 298 }
364 299
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 300 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 301}
367 302
368static aio_req SvAIO_REQ (SV *sv) 303static SV *
304newSVaio_wd (aio_wd wd)
305{
306 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
307}
308
309static aio_req
310SvAIO_REQ (SV *sv)
369{ 311{
370 MAGIC *mg; 312 MAGIC *mg;
371 313
372 if (!SvROK (sv) 314 if (!SvROK (sv)
315 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 316 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 317 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 318 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 319 croak ("object of class IO::AIO::REQ expected");
377 320
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 321 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 322
380 return mg ? (aio_req)mg->mg_ptr : 0; 323 return mg ? (aio_req)mg->mg_ptr : 0;
381} 324}
382 325
326static aio_wd
327SvAIO_WD (SV *sv)
328{
329 if (!SvROK (sv)
330 || SvTYPE (SvRV (sv)) != SVt_PVMG
331 || SvSTASH (SvRV (sv)) != aio_wd_stash)
332 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
333
334 return (aio_wd)(long)SvIVX (SvRV (sv));
335}
336
337static void
383static void aio_grp_feed (aio_req grp) 338aio_grp_feed (aio_req grp)
384{ 339{
385 if (grp->sv2 && SvOK (grp->sv2)) 340 if (grp->sv2 && SvOK (grp->sv2))
386 { 341 {
387 dSP; 342 dSP;
388 343
396 FREETMPS; 351 FREETMPS;
397 LEAVE; 352 LEAVE;
398 } 353 }
399} 354}
400 355
356static void
401static void req_submit (eio_req *req) 357req_submit (eio_req *req)
402{ 358{
403 eio_submit (req); 359 eio_submit (req);
404 360
405 if (expect_false (on_next_submit)) 361 if (expect_false (on_next_submit))
406 { 362 {
413 PUTBACK; 369 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 370 call_sv (cb, G_DISCARD | G_EVAL);
415 } 371 }
416} 372}
417 373
374static int
418static int req_invoke (eio_req *req) 375req_invoke (eio_req *req)
419{ 376{
420 if (req->flags & FLAG_SV2_RO_OFF) 377 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 378 SvREADONLY_off (req->sv2);
422 379
423 if (!EIO_CANCELLED (req) && req->callback) 380 if (!EIO_CANCELLED (req) && req->callback)
444 SvREADONLY_on (sv_result); 401 SvREADONLY_on (sv_result);
445 } 402 }
446 403
447 switch (req->type) 404 switch (req->type)
448 { 405 {
406 case EIO_WD_OPEN:
407 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
408 break;
409
449 case EIO_READDIR: 410 case EIO_READDIR:
450 { 411 {
451 SV *rv = &PL_sv_undef; 412 SV *rv = &PL_sv_undef;
452 413
453 if (req->result >= 0) 414 if (req->result >= 0)
595 break; 556 break;
596 557
597 case EIO_STAT: 558 case EIO_STAT:
598 case EIO_LSTAT: 559 case EIO_LSTAT:
599 case EIO_FSTAT: 560 case EIO_FSTAT:
600 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 561 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
562
601 PL_laststatval = req->result; 563 if (!(PL_laststatval = req->result))
602 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 564 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
603 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 565 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
566
604 PUSHs (sv_result); 567 PUSHs (sv_result);
568 break;
569
570 case EIO_SEEK:
571 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
605 break; 572 break;
606 573
607 case EIO_READ: 574 case EIO_READ:
608 { 575 {
609 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 576 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
612 SvSETMAGIC (req->sv2); 579 SvSETMAGIC (req->sv2);
613 PUSHs (sv_result); 580 PUSHs (sv_result);
614 } 581 }
615 break; 582 break;
616 583
584 case EIO_CUSTOM:
585 if (req->feed == fiemap)
586 {
587#if HAVE_FIEMAP
588 if (!req->result)
589 {
590 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
591
592 if (fiemap->fm_extent_count)
593 {
594 AV *av = newAV ();
595 int i;
596
597 while (fiemap->fm_mapped_extents)
598 {
599 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
600 AV *ext_av = newAV ();
601
602 av_store (ext_av, 3, newSVuv (extent->fe_flags));
603 av_store (ext_av, 2, newSVval64 (extent->fe_length));
604 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
605 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
606
607 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
608 }
609
610 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
611 }
612 else
613 {
614 SvIV_set (sv_result, fiemap->fm_mapped_extents);
615 PUSHs (sv_result);
616 }
617 }
618#endif
619 }
620 else
621 PUSHs (sv_result);
622 break;
623
617 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 624 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
618 if (req->result > 0) 625 if (req->result > 0)
619 SvIV_set (sv_result, 0); 626 SvIV_set (sv_result, 0);
620 /* FALLTHROUGH */ 627 /* FALLTHROUGH */
621 628
642 } 649 }
643 650
644 return !!SvTRUE (ERRSV); 651 return !!SvTRUE (ERRSV);
645} 652}
646 653
654static void
647static void req_destroy (aio_req req) 655req_destroy (aio_req req)
648{ 656{
649 if (req->self) 657 if (req->self)
650 { 658 {
651 sv_unmagic (req->self, PERL_MAGIC_ext); 659 sv_unmagic (req->self, PERL_MAGIC_ext);
652 SvREFCNT_dec (req->self); 660 SvREFCNT_dec (req->self);
653 } 661 }
654 662
655 SvREFCNT_dec (req->sv1); 663 SvREFCNT_dec (req->sv1);
656 SvREFCNT_dec (req->sv2); 664 SvREFCNT_dec (req->sv2);
665 SvREFCNT_dec (req->sv3);
666 SvREFCNT_dec (req->sv4);
657 SvREFCNT_dec (req->callback); 667 SvREFCNT_dec (req->callback);
658 668
659 Safefree (req); 669 free (req);
660} 670}
661 671
672static void
662static void req_cancel_subs (aio_req grp) 673req_cancel_subs (aio_req grp)
663{ 674{
664 if (grp->type != EIO_GROUP) 675 if (grp->type != EIO_GROUP)
665 return; 676 return;
666 677
667 SvREFCNT_dec (grp->sv2); 678 SvREFCNT_dec (grp->sv2);
668 grp->sv2 = 0; 679 grp->sv2 = 0;
669 680
670 eio_grp_cancel (grp); 681 eio_grp_cancel (grp);
671} 682}
672 683
684static void ecb_cold
673static void create_respipe (void) 685create_respipe (void)
674{ 686{
675 if (s_epipe_renew (&respipe)) 687 if (s_epipe_renew (&respipe))
676 croak ("IO::AIO: unable to initialize result pipe"); 688 croak ("IO::AIO: unable to initialize result pipe");
677} 689}
678 690
679static void poll_wait (void) 691static void
692poll_wait (void)
680{ 693{
681 while (eio_nreqs ()) 694 while (eio_nreqs ())
682 { 695 {
683 int size; 696 int size;
684 697
693 706
694 s_epipe_wait (&respipe); 707 s_epipe_wait (&respipe);
695 } 708 }
696} 709}
697 710
698static int poll_cb (void) 711static int
712poll_cb (void)
699{ 713{
700 for (;;) 714 for (;;)
701 { 715 {
702 int res = eio_poll (); 716 int res = eio_poll ();
703 717
721} 735}
722 736
723/*****************************************************************************/ 737/*****************************************************************************/
724 738
725#if !_POSIX_MAPPED_FILES 739#if !_POSIX_MAPPED_FILES
726# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 740# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
727# define munmap(addr,length) (errno = ENOSYS, -1) 741# define munmap(addr,length) EIO_ENOSYS ()
728#endif 742#endif
729 743
730#if !_POSIX_MEMORY_PROTECTION 744#if !_POSIX_MEMORY_PROTECTION
731# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 745# define mprotect(addr,len,prot) EIO_ENOSYS ()
732# define PROT_NONE 0 746# define PROT_NONE 0
733# define PROT_WRITE 0 747# define PROT_WRITE 0
734# define MAP_PRIVATE 0 748# define MAP_PRIVATE 0
735# define MAP_SHARED 0 749# define MAP_SHARED 0
736# define MAP_FIXED 0 750# define MAP_FIXED 0
737#endif 751#endif
738 752
739#define MMAP_MAGIC PERL_MAGIC_ext 753#define MMAP_MAGIC PERL_MAGIC_ext
740 754
755static int ecb_cold
741static int mmap_free (pTHX_ SV *sv, MAGIC *mg) 756mmap_free (pTHX_ SV *sv, MAGIC *mg)
742{ 757{
743 int old_errno = errno; 758 int old_errno = errno;
744 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 759 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
745 errno = old_errno; 760 errno = old_errno;
746 761
762 0, 0, 0, 0, mmap_free 777 0, 0, 0, 0, mmap_free
763}; 778};
764 779
765/*****************************************************************************/ 780/*****************************************************************************/
766 781
782static SV *
767static SV * get_cb (SV *cb_sv) 783get_cb (SV *cb_sv)
768{ 784{
769 SvGETMAGIC (cb_sv); 785 SvGETMAGIC (cb_sv);
770 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 786 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
771} 787}
772 788
789static aio_req ecb_noinline
790dreq (SV *callback)
791{
792 SV *cb_cv;
793 aio_req req;
794 int req_pri = next_pri;
795 next_pri = EIO_PRI_DEFAULT;
796
797 cb_cv = get_cb (callback);
798
799 req = calloc (sizeof (*req), 1);
800 if (!req)
801 croak ("out of memory during eio_req allocation");
802
803 req->callback = SvREFCNT_inc (cb_cv);
804 req->pri = req_pri;
805
806 return req;
807}
808
773#define dREQ \ 809#define dREQ \
774 SV *cb_cv; \ 810 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
787 811
788#define REQ_SEND \ 812#define REQ_SEND \
789 PUTBACK; \ 813 PUTBACK; \
790 req_submit (req); \ 814 req_submit (req); \
791 SPAGAIN; \ 815 SPAGAIN; \
792 \ 816 \
793 if (GIMME_V != G_VOID) \ 817 if (GIMME_V != G_VOID) \
794 XPUSHs (req_sv (req, aio_req_stash)); 818 XPUSHs (req_sv (req, aio_req_stash));
795 819
820ecb_inline void
821req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
822{
823 if (expect_false (SvROK (path)))
824 {
825 SV *rv = SvRV (path);
826 SV *wdob;
827
828 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829 {
830 path = AvARRAY (rv)[1];
831 wdob = AvARRAY (rv)[0];
832
833 if (SvOK (wdob))
834 {
835 *wd = SvAIO_WD (wdob);
836 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
837 }
838 else
839 *wd = EIO_INVALID_WD;
840 }
841 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
842 {
843 *wd = (aio_wd)(long)SvIVX (rv);
844 *wdsv = SvREFCNT_inc_NN (rv);
845 *ptr = ".";
846 return; /* path set to "." */
847 }
848 else
849 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
850 }
851
852 *pathsv = newSVsv (path);
853 *ptr = SvPVbyte_nolen (*pathsv);
854}
855
856static void ecb_noinline
857req_set_path1 (aio_req req, SV *path)
858{
859 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
860}
861
862static void ecb_noinline
863req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
864{
865 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
866
867 switch (SvTYPE (rv))
868 {
869 case SVt_PVIO:
870 case SVt_PVLV:
871 case SVt_PVGV:
872 req->type = type_fh;
873 req->sv1 = newSVsv (fh_or_path);
874 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
875 break;
876
877 default:
878 req->type = type_path;
879 req_set_path1 (req, fh_or_path);
880 break;
881 }
882}
883
884XS(boot_IO__AIO) ecb_cold;
885
796MODULE = IO::AIO PACKAGE = IO::AIO 886MODULE = IO::AIO PACKAGE = IO::AIO
797 887
798PROTOTYPES: ENABLE 888PROTOTYPES: ENABLE
799 889
800BOOT: 890BOOT:
804 IV iv; 894 IV iv;
805 } *civ, const_iv[] = { 895 } *civ, const_iv[] = {
806# define const_niv(name, value) { # name, (IV) value }, 896# define const_niv(name, value) { # name, (IV) value },
807# define const_iv(name) { # name, (IV) name }, 897# define const_iv(name) { # name, (IV) name },
808# define const_eio(name) { # name, (IV) EIO_ ## name }, 898# define const_eio(name) { # name, (IV) EIO_ ## name },
899
900 /* you have to re-run ./gendef0 after adding/Removing any constants here */
901
902 const_iv (ENOSYS)
809 const_iv (EXDEV) 903 const_iv (EXDEV)
810 const_iv (ENOSYS) 904 const_iv (EBADR)
905
811 const_iv (O_RDONLY) 906 const_iv (O_RDONLY)
812 const_iv (O_WRONLY) 907 const_iv (O_WRONLY)
813 const_iv (O_RDWR) 908 const_iv (O_RDWR)
814 const_iv (O_CREAT) 909 const_iv (O_CREAT)
815 const_iv (O_TRUNC) 910 const_iv (O_TRUNC)
883 const_iv (MAP_LOCKED) 978 const_iv (MAP_LOCKED)
884 const_iv (MAP_NORESERVE) 979 const_iv (MAP_NORESERVE)
885 const_iv (MAP_POPULATE) 980 const_iv (MAP_POPULATE)
886 const_iv (MAP_NONBLOCK) 981 const_iv (MAP_NONBLOCK)
887 982
983 const_iv (FIEMAP_FLAG_SYNC)
984 const_iv (FIEMAP_FLAG_XATTR)
985 const_iv (FIEMAP_FLAGS_COMPAT)
986 const_iv (FIEMAP_EXTENT_LAST)
987 const_iv (FIEMAP_EXTENT_UNKNOWN)
988 const_iv (FIEMAP_EXTENT_DELALLOC)
989 const_iv (FIEMAP_EXTENT_ENCODED)
990 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
991 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
992 const_iv (FIEMAP_EXTENT_DATA_INLINE)
993 const_iv (FIEMAP_EXTENT_DATA_TAIL)
994 const_iv (FIEMAP_EXTENT_UNWRITTEN)
995 const_iv (FIEMAP_EXTENT_MERGED)
996 const_iv (FIEMAP_EXTENT_SHARED)
997
998 const_iv (SPLICE_F_MOVE)
999 const_iv (SPLICE_F_NONBLOCK)
1000 const_iv (SPLICE_F_MORE)
1001 const_iv (SPLICE_F_GIFT)
1002
1003 const_iv (SEEK_DATA)
1004 const_iv (SEEK_HOLE)
1005
1006 /* libeio constants */
1007 const_eio (SEEK_SET)
1008 const_eio (SEEK_CUR)
1009 const_eio (SEEK_END)
1010
888 const_eio (MCL_FUTURE) 1011 const_eio (MCL_FUTURE)
889 const_eio (MCL_CURRENT) 1012 const_eio (MCL_CURRENT)
890 1013
891 const_eio (MS_ASYNC) 1014 const_eio (MS_ASYNC)
892 const_eio (MS_INVALIDATE) 1015 const_eio (MS_INVALIDATE)
897 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1020 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
898 const_eio (SYNC_FILE_RANGE_WRITE) 1021 const_eio (SYNC_FILE_RANGE_WRITE)
899 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1022 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
900 1023
901 const_eio (FALLOC_FL_KEEP_SIZE) 1024 const_eio (FALLOC_FL_KEEP_SIZE)
1025 const_eio (FALLOC_FL_PUNCH_HOLE)
902 1026
903 const_eio (READDIR_DENTS) 1027 const_eio (READDIR_DENTS)
904 const_eio (READDIR_DIRS_FIRST) 1028 const_eio (READDIR_DIRS_FIRST)
905 const_eio (READDIR_STAT_ORDER) 1029 const_eio (READDIR_STAT_ORDER)
906 const_eio (READDIR_FOUND_UNKNOWN) 1030 const_eio (READDIR_FOUND_UNKNOWN)
917 }; 1041 };
918 1042
919 aio_stash = gv_stashpv ("IO::AIO" , 1); 1043 aio_stash = gv_stashpv ("IO::AIO" , 1);
920 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1044 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
921 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1045 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1046 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
922 1047
923 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1048 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)); 1049 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
925 1050
926 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1051 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
927 1052
928 reinit (); 1053 reinit ();
929} 1054}
973 PROTOTYPE: $ 1098 PROTOTYPE: $
974 CODE: 1099 CODE:
975 max_outstanding = maxreqs; 1100 max_outstanding = maxreqs;
976 1101
977void 1102void
1103aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef)
1104 PPCODE:
1105{
1106 dREQ;
1107
1108 req->type = EIO_WD_OPEN;
1109 req_set_path1 (req, pathname);
1110
1111 REQ_SEND;
1112}
1113
1114void
978aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1115aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
979 PPCODE: 1116 PPCODE:
980{ 1117{
981 dREQ; 1118 dREQ;
982 1119
983 req->type = EIO_OPEN; 1120 req->type = EIO_OPEN;
984 req->sv1 = newSVsv (pathname); 1121 req_set_path1 (req, pathname);
985 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 req->int1 = flags; 1122 req->int1 = flags;
987 req->int2 = mode; 1123 req->int2 = mode;
988 1124
989 REQ_SEND; 1125 REQ_SEND;
990} 1126}
995 aio_fsync = EIO_FSYNC 1131 aio_fsync = EIO_FSYNC
996 aio_fdatasync = EIO_FDATASYNC 1132 aio_fdatasync = EIO_FDATASYNC
997 aio_syncfs = EIO_SYNCFS 1133 aio_syncfs = EIO_SYNCFS
998 PPCODE: 1134 PPCODE:
999{ 1135{
1000 int fd = s_fileno_croak (fh, 0); 1136 int fd = s_fileno_croak (fh, 0);
1001 dREQ; 1137 dREQ;
1002 1138
1003 req->type = ix; 1139 req->type = ix;
1004 req->sv1 = newSVsv (fh); 1140 req->sv1 = newSVsv (fh);
1005 req->int1 = fd; 1141 req->int1 = fd;
1006 1142
1007 REQ_SEND (req); 1143 REQ_SEND;
1008} 1144}
1009 1145
1010void 1146void
1011aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1147aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1012 PPCODE: 1148 PPCODE:
1013{ 1149{
1014 int fd = s_fileno_croak (fh, 0); 1150 int fd = s_fileno_croak (fh, 0);
1015 dREQ; 1151 dREQ;
1016 1152
1017 req->type = EIO_SYNC_FILE_RANGE; 1153 req->type = EIO_SYNC_FILE_RANGE;
1018 req->sv1 = newSVsv (fh); 1154 req->sv1 = newSVsv (fh);
1019 req->int1 = fd; 1155 req->int1 = fd;
1020 req->offs = offset; 1156 req->offs = offset;
1021 req->size = nbytes; 1157 req->size = nbytes;
1022 req->int2 = flags; 1158 req->int2 = flags;
1023 1159
1024 REQ_SEND (req); 1160 REQ_SEND;
1025} 1161}
1026 1162
1027void 1163void
1028aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1164aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1029 PPCODE: 1165 PPCODE:
1030{ 1166{
1031 int fd = s_fileno_croak (fh, 0); 1167 int fd = s_fileno_croak (fh, 0);
1032 dREQ; 1168 dREQ;
1033 1169
1034 req->type = EIO_FALLOCATE; 1170 req->type = EIO_FALLOCATE;
1035 req->sv1 = newSVsv (fh); 1171 req->sv1 = newSVsv (fh);
1036 req->int1 = fd; 1172 req->int1 = fd;
1037 req->int2 = mode; 1173 req->int2 = mode;
1038 req->offs = offset; 1174 req->offs = offset;
1039 req->size = len; 1175 req->size = len;
1040 1176
1041 REQ_SEND (req); 1177 REQ_SEND;
1042} 1178}
1043 1179
1044void 1180void
1045aio_close (SV *fh, SV *callback=&PL_sv_undef) 1181aio_close (SV *fh, SV *callback=&PL_sv_undef)
1046 PPCODE: 1182 PPCODE:
1047{ 1183{
1048 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1184 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1049 int fd = s_fileno_croak (fh, 0); 1185 int fd = s_fileno_croak (fh, 0);
1050 dREQ; 1186 dREQ;
1051 1187
1052 if (expect_false (close_fd < 0)) 1188 if (expect_false (close_fd < 0))
1053 { 1189 {
1054 int pipefd [2]; 1190 int pipefd [2];
1070 req->type = EIO_DUP2; 1206 req->type = EIO_DUP2;
1071 req->int1 = close_fd; 1207 req->int1 = close_fd;
1072 req->sv2 = newSVsv (fh); 1208 req->sv2 = newSVsv (fh);
1073 req->int2 = fd; 1209 req->int2 = fd;
1074 1210
1075 REQ_SEND (req); 1211 REQ_SEND;
1212}
1213
1214void
1215aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1216 PPCODE:
1217{
1218 int fd = s_fileno_croak (fh, 0);
1219 dREQ;
1220
1221 req->type = EIO_SEEK;
1222 req->sv1 = newSVsv (fh);
1223 req->int1 = fd;
1224 req->offs = SvVAL64 (offset);
1225 req->int2 = whence;
1226
1227 REQ_SEND;
1076} 1228}
1077 1229
1078void 1230void
1079aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1231aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1080 ALIAS: 1232 ALIAS:
1101 } 1253 }
1102 else 1254 else
1103 { 1255 {
1104 /* read: check type and grow scalar as necessary */ 1256 /* read: check type and grow scalar as necessary */
1105 SvUPGRADE (data, SVt_PV); 1257 SvUPGRADE (data, SVt_PV);
1258 if (SvLEN (data) >= SvCUR (data))
1106 svptr = SvGROW (data, len + dataoffset + 1); 1259 svptr = SvGROW (data, len + dataoffset + 1);
1260 else if (SvCUR (data) < len + dataoffset)
1261 croak ("length + dataoffset outside of scalar, and cannot grow");
1107 } 1262 }
1108 1263
1109 { 1264 {
1110 dREQ; 1265 dREQ;
1111 1266
1127 REQ_SEND; 1282 REQ_SEND;
1128 } 1283 }
1129} 1284}
1130 1285
1131void 1286void
1132aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1287aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1133 ALIAS: 1288 ALIAS:
1134 aio_readlink = EIO_READLINK 1289 aio_readlink = EIO_READLINK
1135 aio_realpath = EIO_REALPATH 1290 aio_realpath = EIO_REALPATH
1136 PPCODE: 1291 PPCODE:
1137{ 1292{
1138 dREQ; 1293 dREQ;
1139 1294
1140 req->type = ix; 1295 req->type = ix;
1141 req->sv1 = newSVsv (path); 1296 req_set_path1 (req, pathname);
1142 req->ptr1 = SvPVbyte_nolen (req->sv1);
1143 1297
1144 REQ_SEND; 1298 REQ_SEND;
1145} 1299}
1146 1300
1147void 1301void
1148aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1302aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1149 PPCODE: 1303 PPCODE:
1150{ 1304{
1151 int ifd = s_fileno_croak (in_fh , 0); 1305 int ifd = s_fileno_croak (in_fh , 0);
1152 int ofd = s_fileno_croak (out_fh, 1); 1306 int ofd = s_fileno_croak (out_fh, 1);
1153 dREQ; 1307 dREQ;
1154 1308
1155 req->type = EIO_SENDFILE; 1309 req->type = EIO_SENDFILE;
1156 req->sv1 = newSVsv (out_fh); 1310 req->sv1 = newSVsv (out_fh);
1157 req->int1 = ofd; 1311 req->int1 = ofd;
1165 1319
1166void 1320void
1167aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1321aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1168 PPCODE: 1322 PPCODE:
1169{ 1323{
1170 int fd = s_fileno_croak (fh, 0); 1324 int fd = s_fileno_croak (fh, 0);
1171 dREQ; 1325 dREQ;
1172 1326
1173 req->type = EIO_READAHEAD; 1327 req->type = EIO_READAHEAD;
1174 req->sv1 = newSVsv (fh); 1328 req->sv1 = newSVsv (fh);
1175 req->int1 = fd; 1329 req->int1 = fd;
1187 aio_statvfs = EIO_STATVFS 1341 aio_statvfs = EIO_STATVFS
1188 PPCODE: 1342 PPCODE:
1189{ 1343{
1190 dREQ; 1344 dREQ;
1191 1345
1192 req->sv1 = newSVsv (fh_or_path); 1346 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1193
1194 if (SvPOK (req->sv1))
1195 {
1196 req->type = ix;
1197 req->ptr1 = SvPVbyte_nolen (req->sv1);
1198 }
1199 else
1200 {
1201 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1202 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1203 }
1204 1347
1205 REQ_SEND; 1348 REQ_SEND;
1206} 1349}
1207 1350
1208UV 1351UV
1227{ 1370{
1228 dREQ; 1371 dREQ;
1229 1372
1230 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1373 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1231 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1374 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1232 req->sv1 = newSVsv (fh_or_path); 1375 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1233
1234 if (SvPOK (req->sv1))
1235 {
1236 req->type = EIO_UTIME;
1237 req->ptr1 = SvPVbyte_nolen (req->sv1);
1238 }
1239 else
1240 {
1241 req->type = EIO_FUTIME;
1242 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1243 }
1244 1376
1245 REQ_SEND; 1377 REQ_SEND;
1246} 1378}
1247 1379
1248void 1380void
1249aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1381aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef)
1250 PPCODE: 1382 PPCODE:
1251{ 1383{
1252 dREQ; 1384 dREQ;
1253 1385
1254 req->sv1 = newSVsv (fh_or_path);
1255 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1386 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1256 1387 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1257 if (SvPOK (req->sv1))
1258 {
1259 req->type = EIO_TRUNCATE;
1260 req->ptr1 = SvPVbyte_nolen (req->sv1);
1261 }
1262 else
1263 {
1264 req->type = EIO_FTRUNCATE;
1265 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1266 }
1267 1388
1268 REQ_SEND; 1389 REQ_SEND;
1269} 1390}
1270 1391
1271void 1392void
1272aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1393aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1273 ALIAS:
1274 aio_chmod = EIO_CHMOD
1275 aio_mkdir = EIO_MKDIR
1276 PPCODE: 1394 PPCODE:
1277{ 1395{
1278 dREQ; 1396 dREQ;
1279 1397
1280 req->int2 = mode; 1398 req->int2 = mode;
1281 req->sv1 = newSVsv (fh_or_path); 1399 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1282
1283 if (SvPOK (req->sv1))
1284 {
1285 req->type = ix;
1286 req->ptr1 = SvPVbyte_nolen (req->sv1);
1287 }
1288 else
1289 {
1290 req->type = EIO_FCHMOD;
1291 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1292 }
1293 1400
1294 REQ_SEND; 1401 REQ_SEND;
1295} 1402}
1296 1403
1297void 1404void
1300{ 1407{
1301 dREQ; 1408 dREQ;
1302 1409
1303 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1410 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1304 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1411 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1305 req->sv1 = newSVsv (fh_or_path); 1412 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1306
1307 if (SvPOK (req->sv1))
1308 {
1309 req->type = EIO_CHOWN;
1310 req->ptr1 = SvPVbyte_nolen (req->sv1);
1311 }
1312 else
1313 {
1314 req->type = EIO_FCHOWN;
1315 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1316 }
1317 1413
1318 REQ_SEND; 1414 REQ_SEND;
1319} 1415}
1320 1416
1321void 1417void
1323 PPCODE: 1419 PPCODE:
1324{ 1420{
1325 dREQ; 1421 dREQ;
1326 1422
1327 req->type = EIO_READDIR; 1423 req->type = EIO_READDIR;
1328 req->sv1 = newSVsv (pathname);
1329 req->ptr1 = SvPVbyte_nolen (req->sv1);
1330 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1424 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1331 1425
1332 if (flags & EIO_READDIR_DENTS) 1426 if (flags & EIO_READDIR_DENTS)
1333 req->int1 |= EIO_READDIR_CUSTOM2; 1427 req->int1 |= EIO_READDIR_CUSTOM2;
1334 1428
1429 req_set_path1 (req, pathname);
1430
1335 REQ_SEND; 1431 REQ_SEND;
1432}
1433
1434void
1435aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1436 PPCODE:
1437{
1438 dREQ;
1439
1440 req->type = EIO_MKDIR;
1441 req->int2 = mode;
1442 req_set_path1 (req, pathname);
1443
1444 REQ_SEND;
1336} 1445}
1337 1446
1338void 1447void
1339aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1448aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1340 ALIAS: 1449 ALIAS:
1344 PPCODE: 1453 PPCODE:
1345{ 1454{
1346 dREQ; 1455 dREQ;
1347 1456
1348 req->type = ix; 1457 req->type = ix;
1349 req->sv1 = newSVsv (pathname); 1458 req_set_path1 (req, pathname);
1350 req->ptr1 = SvPVbyte_nolen (req->sv1);
1351 1459
1352 REQ_SEND; 1460 REQ_SEND;
1353} 1461}
1354 1462
1355void 1463void
1358 aio_link = EIO_LINK 1466 aio_link = EIO_LINK
1359 aio_symlink = EIO_SYMLINK 1467 aio_symlink = EIO_SYMLINK
1360 aio_rename = EIO_RENAME 1468 aio_rename = EIO_RENAME
1361 PPCODE: 1469 PPCODE:
1362{ 1470{
1471 eio_wd wd2 = 0;
1363 dREQ; 1472 dREQ;
1364 1473
1365 req->type = ix; 1474 req->type = ix;
1366 req->sv1 = newSVsv (oldpath); 1475 req_set_path1 (req, oldpath);
1367 req->ptr1 = SvPVbyte_nolen (req->sv1); 1476 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1368 req->sv2 = newSVsv (newpath); 1477 req->int3 = (long)wd2;
1369 req->ptr2 = SvPVbyte_nolen (req->sv2);
1370 1478
1371 REQ_SEND; 1479 REQ_SEND;
1372} 1480}
1373 1481
1374void 1482void
1376 PPCODE: 1484 PPCODE:
1377{ 1485{
1378 dREQ; 1486 dREQ;
1379 1487
1380 req->type = EIO_MKNOD; 1488 req->type = EIO_MKNOD;
1381 req->sv1 = newSVsv (pathname);
1382 req->ptr1 = SvPVbyte_nolen (req->sv1);
1383 req->int2 = (mode_t)mode; 1489 req->int2 = (mode_t)mode;
1384 req->offs = dev; 1490 req->offs = dev;
1491 req_set_path1 (req, pathname);
1385 1492
1386 REQ_SEND; 1493 REQ_SEND;
1387} 1494}
1388 1495
1389void 1496void
1456 1563
1457 req->type = EIO_MLOCKALL; 1564 req->type = EIO_MLOCKALL;
1458 req->int1 = flags; 1565 req->int1 = flags;
1459 1566
1460 REQ_SEND; 1567 REQ_SEND;
1568}
1569
1570void
1571aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1572 PPCODE:
1573{
1574 int fd = s_fileno_croak (fh, 0);
1575 dREQ;
1576
1577 req->type = EIO_CUSTOM;
1578 req->sv1 = newSVsv (fh);
1579 req->int1 = fd;
1580
1581 req->feed = fiemap;
1582#if HAVE_FIEMAP
1583 /* keep our fingers crossed that the next two types are 64 bit */
1584 req->offs = start;
1585 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1586 req->int2 = flags;
1587 req->int3 = SvOK (count) ? SvIV (count) : -1;
1588#endif
1589
1590 REQ_SEND;
1461} 1591}
1462 1592
1463void 1593void
1464aio_busy (double delay, SV *callback=&PL_sv_undef) 1594aio_busy (double delay, SV *callback=&PL_sv_undef)
1465 PPCODE: 1595 PPCODE:
1597 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1727 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1598 OUTPUT: 1728 OUTPUT:
1599 RETVAL 1729 RETVAL
1600 1730
1601void 1731void
1602mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1732mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1603 PPCODE: 1733 PPCODE:
1604 sv_unmagic (scalar, MMAP_MAGIC); 1734 sv_unmagic (scalar, MMAP_MAGIC);
1605{ 1735{
1606 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1736 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1607 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1737 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1640 ALIAS: 1770 ALIAS:
1641 mprotect = 1 1771 mprotect = 1
1642 CODE: 1772 CODE:
1643{ 1773{
1644 STRLEN svlen; 1774 STRLEN svlen;
1645 void *addr = SvPVbyte (scalar, svlen); 1775 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length); 1776 size_t len = SvUV (length);
1647 1777
1648 if (offset < 0) 1778 if (offset < 0)
1649 offset += svlen; 1779 offset += svlen;
1650 1780
1669int 1799int
1670munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1800munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1671 CODE: 1801 CODE:
1672{ 1802{
1673 STRLEN svlen; 1803 STRLEN svlen;
1674 void *addr = SvPVbyte (scalar, svlen); 1804 void *addr = SvPVbyte (scalar, svlen);
1675 size_t len = SvUV (length); 1805 size_t len = SvUV (length);
1676 1806
1677 if (offset < 0) 1807 if (offset < 0)
1678 offset += svlen; 1808 offset += svlen;
1679 1809
1686 addr = (void *)(((intptr_t)addr) + offset); 1816 addr = (void *)(((intptr_t)addr) + offset);
1687 eio_page_align (&addr, &len); 1817 eio_page_align (&addr, &len);
1688#if _POSIX_MEMLOCK_RANGE 1818#if _POSIX_MEMLOCK_RANGE
1689 RETVAL = munlock (addr, len); 1819 RETVAL = munlock (addr, len);
1690#else 1820#else
1691 RETVAL = ((errno = ENOSYS), -1); 1821 RETVAL = EIO_ENOSYS ();
1692#endif 1822#endif
1693} 1823}
1694 OUTPUT: 1824 OUTPUT:
1695 RETVAL 1825 RETVAL
1696 1826
1698munlockall () 1828munlockall ()
1699 CODE: 1829 CODE:
1700#if _POSIX_MEMLOCK 1830#if _POSIX_MEMLOCK
1701 munlockall (); 1831 munlockall ();
1702#else 1832#else
1703 RETVAL = -1; 1833 RETVAL = EIO_ENOSYS ();
1704 errno = ENOSYS;
1705#endif 1834#endif
1706 OUTPUT: 1835 OUTPUT:
1836 RETVAL
1837
1838int
1839splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1840 CODE:
1841{
1842#if HAVE_LINUX_SPLICE
1843 loff_t off_in_, off_out_;
1844 RETVAL = splice (
1845 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1846 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1847 length, flags
1848 );
1849#else
1850 RETVAL = EIO_ENOSYS ();
1851#endif
1852}
1853 OUTPUT:
1854 RETVAL
1855
1856int
1857tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1858 CODE:
1859#if HAVE_LINUX_SPLICE
1860 RETVAL = tee (rfh, wfh, length, flags);
1861#else
1862 RETVAL = EIO_ENOSYS ();
1863#endif
1864 OUTPUT:
1707 RETVAL 1865 RETVAL
1708 1866
1709void _on_next_submit (SV *cb) 1867void _on_next_submit (SV *cb)
1710 CODE: 1868 CODE:
1711 SvREFCNT_dec (on_next_submit); 1869 SvREFCNT_dec (on_next_submit);
1712 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1870 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1713 1871
1714PROTOTYPES: DISABLE 1872PROTOTYPES: DISABLE
1715 1873
1874MODULE = IO::AIO PACKAGE = IO::AIO::WD
1875
1876BOOT:
1877{
1878 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
1879 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
1880}
1881
1882void
1883DESTROY (SV *self)
1884 CODE:
1885{
1886 aio_wd wd = SvAIO_WD (self);
1887#if HAVE_AT
1888 {
1889 SV *callback = &PL_sv_undef;
1890 dREQ; /* clobbers next_pri :/ */
1891 next_pri = req->pri; /* restore next_pri */
1892 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1893 req->type = EIO_WD_CLOSE;
1894 req->wd = wd;
1895 REQ_SEND;
1896 }
1897#else
1898 eio_wd_close_sync (wd);
1899#endif
1900}
1901
1716MODULE = IO::AIO PACKAGE = IO::AIO::REQ 1902MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1717 1903
1718void 1904void
1719cancel (aio_req_ornot req) 1905cancel (aio_req_ornot req)
1720 CODE: 1906 CODE:

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