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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.198 by root, Tue Sep 27 02:16:49 2011 UTC vs.
Revision 1.227 by root, Sat Sep 7 23:18:23 2013 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
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
320#endif 153#endif
321#ifndef minor 154#ifndef minor
322# define minor(dev) ((dev) & 0xff) 155# define minor(dev) ((dev) & 0xff)
323#endif 156#endif
324 157
325#ifndef PAGESIZE 158#if PAGESIZE <= 0
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 /* 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) < 0)
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 (actually 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) < 0)
224 return;
225
226 if (!incmap->fm_mapped_extents)
227 goto done;
228
229 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
230 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
231 errno = ENOMEM;
232 if (!fiemap)
233 return;
234
235 req->ptr1 = fiemap;
236
237 for (count = 0; count < incmap->fm_mapped_extents; ++count)
238 {
239 struct fiemap_extent *e = incmap->fm_extents + count;
240
241 if (e->fe_logical + e->fe_length >= end_offset)
242 goto done;
243
244 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
245
246 if (e->fe_flags & FIEMAP_EXTENT_LAST)
247 goto done;
248
249 }
250 }
251
252done:
253 req->result = 0;
254
255#else
256 errno = ENOSYS;
257#endif
258}
259
260/*****************************************************************************/
328 261
329enum { 262enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 263 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 264};
332 265
341static s_epipe respipe; 274static s_epipe respipe;
342 275
343static void req_destroy (aio_req req); 276static void req_destroy (aio_req req);
344static void req_cancel (aio_req req); 277static void req_cancel (aio_req req);
345 278
346static void want_poll (void) 279static void
280want_poll (void)
347{ 281{
348 /* write a dummy byte to the pipe so fh becomes ready */ 282 /* write a dummy byte to the pipe so fh becomes ready */
349 s_epipe_signal (&respipe); 283 s_epipe_signal (&respipe);
350} 284}
351 285
352static void done_poll (void) 286static void
287done_poll (void)
353{ 288{
354 /* read any signals sent by the worker threads */ 289 /* read any signals sent by the worker threads */
355 s_epipe_drain (&respipe); 290 s_epipe_drain (&respipe);
356} 291}
357 292
358/* must be called at most once */ 293/* must be called at most once */
294static SV *
359static SV *req_sv (aio_req req, HV *stash) 295req_sv (aio_req req, HV *stash)
360{ 296{
361 if (!req->self) 297 if (!req->self)
362 { 298 {
363 req->self = (SV *)newHV (); 299 req->self = (SV *)newHV ();
364 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 300 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
368} 304}
369 305
370static SV * 306static SV *
371newSVaio_wd (aio_wd wd) 307newSVaio_wd (aio_wd wd)
372{ 308{
373 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 309 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
374} 310}
375 311
376static aio_req SvAIO_REQ (SV *sv) 312static aio_req
313SvAIO_REQ (SV *sv)
377{ 314{
378 MAGIC *mg; 315 MAGIC *mg;
379 316
380 if (!SvROK (sv) 317 if (!SvROK (sv)
318 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381 || (SvSTASH (SvRV (sv)) != aio_grp_stash 319 || (SvSTASH (SvRV (sv)) != aio_grp_stash
382 && SvSTASH (SvRV (sv)) != aio_req_stash 320 && SvSTASH (SvRV (sv)) != aio_req_stash
383 && !sv_derived_from (sv, "IO::AIO::REQ"))) 321 && !sv_derived_from (sv, "IO::AIO::REQ")))
384 croak ("object of class IO::AIO::REQ expected"); 322 croak ("object of class IO::AIO::REQ expected");
385 323
386 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 324 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387 325
388 return mg ? (aio_req)mg->mg_ptr : 0; 326 return mg ? (aio_req)mg->mg_ptr : 0;
389} 327}
390 328
391static aio_wd SvAIO_WD (SV *sv) 329static aio_wd
330SvAIO_WD (SV *sv)
392{ 331{
393 if (!SvROK (sv) 332 if (!SvROK (sv)
333 || SvTYPE (SvRV (sv)) != SVt_PVMG
394 || SvSTASH (SvRV (sv)) != aio_wd_stash 334 || SvSTASH (SvRV (sv)) != aio_wd_stash)
395 || SvTYPE (SvRV (sv)) != SVt_PVMG)
396 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 335 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397 336
398 return (aio_wd)(long)SvIVX (SvRV (sv)); 337 return (aio_wd)(long)SvIVX (SvRV (sv));
399} 338}
400 339
340static void
401static void aio_grp_feed (aio_req grp) 341aio_grp_feed (aio_req grp)
402{ 342{
403 if (grp->sv2 && SvOK (grp->sv2)) 343 if (grp->sv2 && SvOK (grp->sv2))
404 { 344 {
405 dSP; 345 dSP;
406 346
414 FREETMPS; 354 FREETMPS;
415 LEAVE; 355 LEAVE;
416 } 356 }
417} 357}
418 358
359static void
419static void req_submit (eio_req *req) 360req_submit (eio_req *req)
420{ 361{
421 eio_submit (req); 362 eio_submit (req);
422 363
423 if (expect_false (on_next_submit)) 364 if (expect_false (on_next_submit))
424 { 365 {
431 PUTBACK; 372 PUTBACK;
432 call_sv (cb, G_DISCARD | G_EVAL); 373 call_sv (cb, G_DISCARD | G_EVAL);
433 } 374 }
434} 375}
435 376
377static int
436static int req_invoke (eio_req *req) 378req_invoke (eio_req *req)
437{ 379{
438 if (req->flags & FLAG_SV2_RO_OFF) 380 if (req->flags & FLAG_SV2_RO_OFF)
439 SvREADONLY_off (req->sv2); 381 SvREADONLY_off (req->sv2);
440 382
441 if (!EIO_CANCELLED (req) && req->callback) 383 if (!EIO_CANCELLED (req) && req->callback)
463 } 405 }
464 406
465 switch (req->type) 407 switch (req->type)
466 { 408 {
467 case EIO_WD_OPEN: 409 case EIO_WD_OPEN:
468 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 410 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469 break; 411 break;
470 412
471 case EIO_READDIR: 413 case EIO_READDIR:
472 { 414 {
473 SV *rv = &PL_sv_undef; 415 SV *rv = &PL_sv_undef;
568#ifndef _WIN32 510#ifndef _WIN32
569 if (req->result >= 0) 511 if (req->result >= 0)
570 { 512 {
571 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 513 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
572 HV *hv = newHV (); 514 HV *hv = newHV ();
515 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
516 * chooses to make it a struct.
517 */
518 unsigned long fsid = 0;
519 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
573 520
574 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 521 rv = sv_2mortal (newRV_noinc ((SV *)hv));
575 522
576 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 523 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
577 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 524 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
579 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 526 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
580 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 527 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
581 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 528 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
582 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 529 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
583 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 530 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
584 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 531 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
585 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 532 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
586 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 533 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
587 } 534 }
588#endif 535#endif
589 536
624 if (!(PL_laststatval = req->result)) 571 if (!(PL_laststatval = req->result))
625 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 572 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
626 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 573 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
627 574
628 PUSHs (sv_result); 575 PUSHs (sv_result);
576 break;
577
578 case EIO_SEEK:
579 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
629 break; 580 break;
630 581
631 case EIO_READ: 582 case EIO_READ:
632 { 583 {
633 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 584 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
636 SvSETMAGIC (req->sv2); 587 SvSETMAGIC (req->sv2);
637 PUSHs (sv_result); 588 PUSHs (sv_result);
638 } 589 }
639 break; 590 break;
640 591
592 case EIO_CUSTOM:
593 if (req->feed == fiemap)
594 {
595#if HAVE_FIEMAP
596 if (!req->result)
597 {
598 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
599
600 if (fiemap->fm_extent_count)
601 {
602 AV *av = newAV ();
603 int i;
604
605 while (fiemap->fm_mapped_extents)
606 {
607 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
608 AV *ext_av = newAV ();
609
610 av_store (ext_av, 3, newSVuv (extent->fe_flags));
611 av_store (ext_av, 2, newSVval64 (extent->fe_length));
612 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
613 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
614
615 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
616 }
617
618 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
619 }
620 else
621 {
622 SvIV_set (sv_result, fiemap->fm_mapped_extents);
623 PUSHs (sv_result);
624 }
625 }
626#endif
627 }
628 else
629 PUSHs (sv_result);
630 break;
631
641 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 632 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
642 if (req->result > 0) 633 if (req->result > 0)
643 SvIV_set (sv_result, 0); 634 SvIV_set (sv_result, 0);
644 /* FALLTHROUGH */ 635 /* FALLTHROUGH */
645 636
666 } 657 }
667 658
668 return !!SvTRUE (ERRSV); 659 return !!SvTRUE (ERRSV);
669} 660}
670 661
662static void
671static void req_destroy (aio_req req) 663req_destroy (aio_req req)
672{ 664{
673 if (req->self) 665 if (req->self)
674 { 666 {
675 sv_unmagic (req->self, PERL_MAGIC_ext); 667 sv_unmagic (req->self, PERL_MAGIC_ext);
676 SvREFCNT_dec (req->self); 668 SvREFCNT_dec (req->self);
680 SvREFCNT_dec (req->sv2); 672 SvREFCNT_dec (req->sv2);
681 SvREFCNT_dec (req->sv3); 673 SvREFCNT_dec (req->sv3);
682 SvREFCNT_dec (req->sv4); 674 SvREFCNT_dec (req->sv4);
683 SvREFCNT_dec (req->callback); 675 SvREFCNT_dec (req->callback);
684 676
685 Safefree (req); 677 free (req);
686} 678}
687 679
680static void
688static void req_cancel_subs (aio_req grp) 681req_cancel_subs (aio_req grp)
689{ 682{
690 if (grp->type != EIO_GROUP) 683 if (grp->type != EIO_GROUP)
691 return; 684 return;
692 685
693 SvREFCNT_dec (grp->sv2); 686 SvREFCNT_dec (grp->sv2);
694 grp->sv2 = 0; 687 grp->sv2 = 0;
695 688
696 eio_grp_cancel (grp); 689 eio_grp_cancel (grp);
697} 690}
698 691
692static void ecb_cold
699static void create_respipe (void) 693create_respipe (void)
700{ 694{
701 if (s_epipe_renew (&respipe)) 695 if (s_epipe_renew (&respipe))
702 croak ("IO::AIO: unable to initialize result pipe"); 696 croak ("IO::AIO: unable to initialize result pipe");
703} 697}
704 698
705static void poll_wait (void) 699static void
700poll_wait (void)
706{ 701{
707 while (eio_nreqs ()) 702 while (eio_nreqs ())
708 { 703 {
709 int size; 704 int size;
710 705
719 714
720 s_epipe_wait (&respipe); 715 s_epipe_wait (&respipe);
721 } 716 }
722} 717}
723 718
724static int poll_cb (void) 719static int
720poll_cb (void)
725{ 721{
726 for (;;) 722 for (;;)
727 { 723 {
728 int res = eio_poll (); 724 int res = eio_poll ();
729 725
747} 743}
748 744
749/*****************************************************************************/ 745/*****************************************************************************/
750 746
751#if !_POSIX_MAPPED_FILES 747#if !_POSIX_MAPPED_FILES
752# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 748# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
753# define munmap(addr,length) (errno = ENOSYS, -1) 749# define munmap(addr,length) EIO_ENOSYS ()
754#endif 750#endif
755 751
756#if !_POSIX_MEMORY_PROTECTION 752#if !_POSIX_MEMORY_PROTECTION
757# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 753# define mprotect(addr,len,prot) EIO_ENOSYS ()
758# define PROT_NONE 0 754# define PROT_NONE 0
759# define PROT_WRITE 0 755# define PROT_WRITE 0
760# define MAP_PRIVATE 0 756# define MAP_PRIVATE 0
761# define MAP_SHARED 0 757# define MAP_SHARED 0
762# define MAP_FIXED 0 758# define MAP_FIXED 0
763#endif 759#endif
764 760
765#define MMAP_MAGIC PERL_MAGIC_ext 761#define MMAP_MAGIC PERL_MAGIC_ext
766 762
763static int ecb_cold
767static int mmap_free (pTHX_ SV *sv, MAGIC *mg) 764mmap_free (pTHX_ SV *sv, MAGIC *mg)
768{ 765{
769 int old_errno = errno; 766 int old_errno = errno;
770 munmap (mg->mg_ptr, (size_t)mg->mg_obj); 767 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
771 errno = old_errno; 768 errno = old_errno;
772 769
788 0, 0, 0, 0, mmap_free 785 0, 0, 0, 0, mmap_free
789}; 786};
790 787
791/*****************************************************************************/ 788/*****************************************************************************/
792 789
790static SV *
793static SV * get_cb (SV *cb_sv) 791get_cb (SV *cb_sv)
794{ 792{
795 SvGETMAGIC (cb_sv); 793 SvGETMAGIC (cb_sv);
796 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 794 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
797} 795}
798 796
797static aio_req ecb_noinline
798dreq (SV *callback)
799{
800 SV *cb_cv;
801 aio_req req;
802 int req_pri = next_pri;
803 next_pri = EIO_PRI_DEFAULT;
804
805 cb_cv = get_cb (callback);
806
807 req = calloc (sizeof (*req), 1);
808 if (!req)
809 croak ("out of memory during eio_req allocation");
810
811 req->callback = SvREFCNT_inc (cb_cv);
812 req->pri = req_pri;
813
814 return req;
815}
816
799#define dREQ \ 817#define dREQ \
800 SV *cb_cv; \ 818 aio_req req = dreq (callback); \
801 aio_req req; \
802 int req_pri = next_pri; \
803 next_pri = EIO_PRI_DEFAULT; \
804 \
805 cb_cv = get_cb (callback); \
806 \
807 Newz (0, req, 1, eio_req); \
808 if (!req) \
809 croak ("out of memory during eio_req allocation"); \
810 \
811 req->callback = SvREFCNT_inc (cb_cv); \
812 req->pri = req_pri
813 819
814#define REQ_SEND \ 820#define REQ_SEND \
815 PUTBACK; \ 821 PUTBACK; \
816 req_submit (req); \ 822 req_submit (req); \
817 SPAGAIN; \ 823 SPAGAIN; \
818 \ 824 \
819 if (GIMME_V != G_VOID) \ 825 if (GIMME_V != G_VOID) \
820 XPUSHs (req_sv (req, aio_req_stash)); 826 XPUSHs (req_sv (req, aio_req_stash));
821 827
822static void 828ecb_inline void
823req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 829req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
824{ 830{
825 if (expect_false (SvROK (path))) 831 if (expect_false (SvROK (path)))
826 { 832 {
827 AV *av = (AV *)SvRV (path); 833 SV *rv = SvRV (path);
828 SV *wdob; 834 SV *wdob;
829 835
830 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 836 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
831 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
832
833 path = AvARRAY (av)[1];
834 wdob = AvARRAY (av)[0];
835
836 if (SvOK (wdob))
837 { 837 {
838 path = AvARRAY (rv)[1];
839 wdob = AvARRAY (rv)[0];
840
841 if (SvOK (wdob))
842 {
838 *wd = SvAIO_WD (wdob); 843 *wd = SvAIO_WD (wdob);
839 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 844 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
845 }
846 else
847 *wd = EIO_INVALID_WD;
848 }
849 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
850 {
851 *wd = (aio_wd)(long)SvIVX (rv);
852 *wdsv = SvREFCNT_inc_NN (rv);
853 *ptr = ".";
854 return; /* path set to "." */
840 } 855 }
841 else 856 else
842 *wd = EIO_INVALID_WD; 857 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
843 } 858 }
844 859
845 *pathsv = newSVsv (path); 860 *pathsv = newSVsv (path);
846 *ptr = SvPVbyte_nolen (*pathsv); 861 *ptr = SvPVbyte_nolen (*pathsv);
847} 862}
848 863
849static void 864static void ecb_noinline
850req_set_path1 (aio_req req, SV *path) 865req_set_path1 (aio_req req, SV *path)
851{ 866{
852 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 867 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
853} 868}
854 869
855static void 870static void ecb_noinline
856req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 871req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
857{ 872{
858 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 873 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
859 874
860 switch (SvTYPE (rv)) 875 switch (SvTYPE (rv))
870 default: 885 default:
871 req->type = type_path; 886 req->type = type_path;
872 req_set_path1 (req, fh_or_path); 887 req_set_path1 (req, fh_or_path);
873 break; 888 break;
874 } 889 }
875
876} 890}
891
892XS(boot_IO__AIO) ecb_cold;
877 893
878MODULE = IO::AIO PACKAGE = IO::AIO 894MODULE = IO::AIO PACKAGE = IO::AIO
879 895
880PROTOTYPES: ENABLE 896PROTOTYPES: ENABLE
881 897
886 IV iv; 902 IV iv;
887 } *civ, const_iv[] = { 903 } *civ, const_iv[] = {
888# define const_niv(name, value) { # name, (IV) value }, 904# define const_niv(name, value) { # name, (IV) value },
889# define const_iv(name) { # name, (IV) name }, 905# define const_iv(name) { # name, (IV) name },
890# define const_eio(name) { # name, (IV) EIO_ ## name }, 906# define const_eio(name) { # name, (IV) EIO_ ## name },
907
908 /* you have to re-run ./gendef0 after adding/Removing any constants here */
909
910 const_iv (ENOSYS)
891 const_iv (EXDEV) 911 const_iv (EXDEV)
892 const_iv (ENOSYS) 912 const_iv (EBADR)
913
893 const_iv (O_RDONLY) 914 const_iv (O_RDONLY)
894 const_iv (O_WRONLY) 915 const_iv (O_WRONLY)
895 const_iv (O_RDWR) 916 const_iv (O_RDWR)
896 const_iv (O_CREAT) 917 const_iv (O_CREAT)
897 const_iv (O_TRUNC) 918 const_iv (O_TRUNC)
965 const_iv (MAP_LOCKED) 986 const_iv (MAP_LOCKED)
966 const_iv (MAP_NORESERVE) 987 const_iv (MAP_NORESERVE)
967 const_iv (MAP_POPULATE) 988 const_iv (MAP_POPULATE)
968 const_iv (MAP_NONBLOCK) 989 const_iv (MAP_NONBLOCK)
969 990
991 const_iv (FIEMAP_FLAG_SYNC)
992 const_iv (FIEMAP_FLAG_XATTR)
993 const_iv (FIEMAP_FLAGS_COMPAT)
994 const_iv (FIEMAP_EXTENT_LAST)
995 const_iv (FIEMAP_EXTENT_UNKNOWN)
996 const_iv (FIEMAP_EXTENT_DELALLOC)
997 const_iv (FIEMAP_EXTENT_ENCODED)
998 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
999 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1000 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1001 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1002 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1003 const_iv (FIEMAP_EXTENT_MERGED)
1004 const_iv (FIEMAP_EXTENT_SHARED)
1005
1006 const_iv (SPLICE_F_MOVE)
1007 const_iv (SPLICE_F_NONBLOCK)
1008 const_iv (SPLICE_F_MORE)
1009 const_iv (SPLICE_F_GIFT)
1010
1011 const_iv (SEEK_DATA)
1012 const_iv (SEEK_HOLE)
1013
1014 /* libeio constants */
1015 const_eio (SEEK_SET)
1016 const_eio (SEEK_CUR)
1017 const_eio (SEEK_END)
1018
970 const_eio (MCL_FUTURE) 1019 const_eio (MCL_FUTURE)
971 const_eio (MCL_CURRENT) 1020 const_eio (MCL_CURRENT)
972 1021
973 const_eio (MS_ASYNC) 1022 const_eio (MS_ASYNC)
974 const_eio (MS_INVALIDATE) 1023 const_eio (MS_INVALIDATE)
979 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1028 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
980 const_eio (SYNC_FILE_RANGE_WRITE) 1029 const_eio (SYNC_FILE_RANGE_WRITE)
981 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1030 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
982 1031
983 const_eio (FALLOC_FL_KEEP_SIZE) 1032 const_eio (FALLOC_FL_KEEP_SIZE)
1033 const_eio (FALLOC_FL_PUNCH_HOLE)
984 1034
985 const_eio (READDIR_DENTS) 1035 const_eio (READDIR_DENTS)
986 const_eio (READDIR_DIRS_FIRST) 1036 const_eio (READDIR_DIRS_FIRST)
987 const_eio (READDIR_STAT_ORDER) 1037 const_eio (READDIR_STAT_ORDER)
988 const_eio (READDIR_FOUND_UNKNOWN) 1038 const_eio (READDIR_FOUND_UNKNOWN)
1089 aio_fsync = EIO_FSYNC 1139 aio_fsync = EIO_FSYNC
1090 aio_fdatasync = EIO_FDATASYNC 1140 aio_fdatasync = EIO_FDATASYNC
1091 aio_syncfs = EIO_SYNCFS 1141 aio_syncfs = EIO_SYNCFS
1092 PPCODE: 1142 PPCODE:
1093{ 1143{
1094 int fd = s_fileno_croak (fh, 0); 1144 int fd = s_fileno_croak (fh, 0);
1095 dREQ; 1145 dREQ;
1096 1146
1097 req->type = ix; 1147 req->type = ix;
1098 req->sv1 = newSVsv (fh); 1148 req->sv1 = newSVsv (fh);
1099 req->int1 = fd; 1149 req->int1 = fd;
1100 1150
1101 REQ_SEND (req); 1151 REQ_SEND;
1102} 1152}
1103 1153
1104void 1154void
1105aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1155aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1106 PPCODE: 1156 PPCODE:
1107{ 1157{
1108 int fd = s_fileno_croak (fh, 0); 1158 int fd = s_fileno_croak (fh, 0);
1109 dREQ; 1159 dREQ;
1110 1160
1111 req->type = EIO_SYNC_FILE_RANGE; 1161 req->type = EIO_SYNC_FILE_RANGE;
1112 req->sv1 = newSVsv (fh); 1162 req->sv1 = newSVsv (fh);
1113 req->int1 = fd; 1163 req->int1 = fd;
1114 req->offs = offset; 1164 req->offs = offset;
1115 req->size = nbytes; 1165 req->size = nbytes;
1116 req->int2 = flags; 1166 req->int2 = flags;
1117 1167
1118 REQ_SEND (req); 1168 REQ_SEND;
1119} 1169}
1120 1170
1121void 1171void
1122aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1172aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1123 PPCODE: 1173 PPCODE:
1124{ 1174{
1125 int fd = s_fileno_croak (fh, 0); 1175 int fd = s_fileno_croak (fh, 0);
1126 dREQ; 1176 dREQ;
1127 1177
1128 req->type = EIO_FALLOCATE; 1178 req->type = EIO_FALLOCATE;
1129 req->sv1 = newSVsv (fh); 1179 req->sv1 = newSVsv (fh);
1130 req->int1 = fd; 1180 req->int1 = fd;
1131 req->int2 = mode; 1181 req->int2 = mode;
1132 req->offs = offset; 1182 req->offs = offset;
1133 req->size = len; 1183 req->size = len;
1134 1184
1135 REQ_SEND (req); 1185 REQ_SEND;
1136} 1186}
1137 1187
1138void 1188void
1139aio_close (SV *fh, SV *callback=&PL_sv_undef) 1189aio_close (SV *fh, SV *callback=&PL_sv_undef)
1140 PPCODE: 1190 PPCODE:
1141{ 1191{
1142 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1192 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1143 int fd = s_fileno_croak (fh, 0); 1193 int fd = s_fileno_croak (fh, 0);
1144 dREQ; 1194 dREQ;
1145 1195
1146 if (expect_false (close_fd < 0)) 1196 if (expect_false (close_fd < 0))
1147 { 1197 {
1148 int pipefd [2]; 1198 int pipefd [2];
1164 req->type = EIO_DUP2; 1214 req->type = EIO_DUP2;
1165 req->int1 = close_fd; 1215 req->int1 = close_fd;
1166 req->sv2 = newSVsv (fh); 1216 req->sv2 = newSVsv (fh);
1167 req->int2 = fd; 1217 req->int2 = fd;
1168 1218
1169 REQ_SEND (req); 1219 REQ_SEND;
1220}
1221
1222void
1223aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1224 PPCODE:
1225{
1226 int fd = s_fileno_croak (fh, 0);
1227 dREQ;
1228
1229 req->type = EIO_SEEK;
1230 req->sv1 = newSVsv (fh);
1231 req->int1 = fd;
1232 req->offs = SvVAL64 (offset);
1233 req->int2 = whence;
1234
1235 REQ_SEND;
1170} 1236}
1171 1237
1172void 1238void
1173aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1239aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1174 ALIAS: 1240 ALIAS:
1195 } 1261 }
1196 else 1262 else
1197 { 1263 {
1198 /* read: check type and grow scalar as necessary */ 1264 /* read: check type and grow scalar as necessary */
1199 SvUPGRADE (data, SVt_PV); 1265 SvUPGRADE (data, SVt_PV);
1266 if (SvLEN (data) >= SvCUR (data))
1200 svptr = SvGROW (data, len + dataoffset + 1); 1267 svptr = SvGROW (data, len + dataoffset + 1);
1268 else if (SvCUR (data) < len + dataoffset)
1269 croak ("length + dataoffset outside of scalar, and cannot grow");
1201 } 1270 }
1202 1271
1203 { 1272 {
1204 dREQ; 1273 dREQ;
1205 1274
1239 1308
1240void 1309void
1241aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1310aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1242 PPCODE: 1311 PPCODE:
1243{ 1312{
1244 int ifd = s_fileno_croak (in_fh , 0); 1313 int ifd = s_fileno_croak (in_fh , 0);
1245 int ofd = s_fileno_croak (out_fh, 1); 1314 int ofd = s_fileno_croak (out_fh, 1);
1246 dREQ; 1315 dREQ;
1247 1316
1248 req->type = EIO_SENDFILE; 1317 req->type = EIO_SENDFILE;
1249 req->sv1 = newSVsv (out_fh); 1318 req->sv1 = newSVsv (out_fh);
1250 req->int1 = ofd; 1319 req->int1 = ofd;
1258 1327
1259void 1328void
1260aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1329aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1261 PPCODE: 1330 PPCODE:
1262{ 1331{
1263 int fd = s_fileno_croak (fh, 0); 1332 int fd = s_fileno_croak (fh, 0);
1264 dREQ; 1333 dREQ;
1265 1334
1266 req->type = EIO_READAHEAD; 1335 req->type = EIO_READAHEAD;
1267 req->sv1 = newSVsv (fh); 1336 req->sv1 = newSVsv (fh);
1268 req->int1 = fd; 1337 req->int1 = fd;
1280 aio_statvfs = EIO_STATVFS 1349 aio_statvfs = EIO_STATVFS
1281 PPCODE: 1350 PPCODE:
1282{ 1351{
1283 dREQ; 1352 dREQ;
1284 1353
1285 req->sv1 = newSVsv (fh_or_path);
1286 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1354 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1355
1287 REQ_SEND; 1356 REQ_SEND;
1288} 1357}
1289 1358
1290UV 1359UV
1291major (UV dev) 1360major (UV dev)
1328 REQ_SEND; 1397 REQ_SEND;
1329} 1398}
1330 1399
1331void 1400void
1332aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1401aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef)
1333 ALIAS:
1334 aio_chmod = EIO_CHMOD
1335 aio_mkdir = EIO_MKDIR
1336 PPCODE: 1402 PPCODE:
1337{ 1403{
1338 dREQ; 1404 dREQ;
1339 1405
1340 req->int2 = mode; 1406 req->int2 = mode;
1369 req->int1 |= EIO_READDIR_CUSTOM2; 1435 req->int1 |= EIO_READDIR_CUSTOM2;
1370 1436
1371 req_set_path1 (req, pathname); 1437 req_set_path1 (req, pathname);
1372 1438
1373 REQ_SEND; 1439 REQ_SEND;
1440}
1441
1442void
1443aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef)
1444 PPCODE:
1445{
1446 dREQ;
1447
1448 req->type = EIO_MKDIR;
1449 req->int2 = mode;
1450 req_set_path1 (req, pathname);
1451
1452 REQ_SEND;
1374} 1453}
1375 1454
1376void 1455void
1377aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1456aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef)
1378 ALIAS: 1457 ALIAS:
1395 aio_link = EIO_LINK 1474 aio_link = EIO_LINK
1396 aio_symlink = EIO_SYMLINK 1475 aio_symlink = EIO_SYMLINK
1397 aio_rename = EIO_RENAME 1476 aio_rename = EIO_RENAME
1398 PPCODE: 1477 PPCODE:
1399{ 1478{
1479 eio_wd wd2 = 0;
1400 dREQ; 1480 dREQ;
1401 eio_wd wd2;
1402 1481
1403 req->type = ix; 1482 req->type = ix;
1404 req_set_path1 (req, oldpath); 1483 req_set_path1 (req, oldpath);
1405 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1484 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1406 req->int3 = (long)wd2; 1485 req->int3 = (long)wd2;
1492 1571
1493 req->type = EIO_MLOCKALL; 1572 req->type = EIO_MLOCKALL;
1494 req->int1 = flags; 1573 req->int1 = flags;
1495 1574
1496 REQ_SEND; 1575 REQ_SEND;
1576}
1577
1578void
1579aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1580 PPCODE:
1581{
1582 int fd = s_fileno_croak (fh, 0);
1583 dREQ;
1584
1585 req->type = EIO_CUSTOM;
1586 req->sv1 = newSVsv (fh);
1587 req->int1 = fd;
1588
1589 req->feed = fiemap;
1590#if HAVE_FIEMAP
1591 /* keep our fingers crossed that the next two types are 64 bit */
1592 req->offs = start;
1593 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1594 req->int2 = flags;
1595 req->int3 = SvOK (count) ? SvIV (count) : -1;
1596#endif
1597
1598 REQ_SEND;
1497} 1599}
1498 1600
1499void 1601void
1500aio_busy (double delay, SV *callback=&PL_sv_undef) 1602aio_busy (double delay, SV *callback=&PL_sv_undef)
1501 PPCODE: 1603 PPCODE:
1633 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1735 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1634 OUTPUT: 1736 OUTPUT:
1635 RETVAL 1737 RETVAL
1636 1738
1637void 1739void
1638mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1740mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1639 PPCODE: 1741 PPCODE:
1640 sv_unmagic (scalar, MMAP_MAGIC); 1742 sv_unmagic (scalar, MMAP_MAGIC);
1641{ 1743{
1642 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1744 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1643 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1745 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1676 ALIAS: 1778 ALIAS:
1677 mprotect = 1 1779 mprotect = 1
1678 CODE: 1780 CODE:
1679{ 1781{
1680 STRLEN svlen; 1782 STRLEN svlen;
1681 void *addr = SvPVbyte (scalar, svlen); 1783 void *addr = SvPVbyte (scalar, svlen);
1682 size_t len = SvUV (length); 1784 size_t len = SvUV (length);
1683 1785
1684 if (offset < 0) 1786 if (offset < 0)
1685 offset += svlen; 1787 offset += svlen;
1686 1788
1705int 1807int
1706munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1808munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1707 CODE: 1809 CODE:
1708{ 1810{
1709 STRLEN svlen; 1811 STRLEN svlen;
1710 void *addr = SvPVbyte (scalar, svlen); 1812 void *addr = SvPVbyte (scalar, svlen);
1711 size_t len = SvUV (length); 1813 size_t len = SvUV (length);
1712 1814
1713 if (offset < 0) 1815 if (offset < 0)
1714 offset += svlen; 1816 offset += svlen;
1715 1817
1722 addr = (void *)(((intptr_t)addr) + offset); 1824 addr = (void *)(((intptr_t)addr) + offset);
1723 eio_page_align (&addr, &len); 1825 eio_page_align (&addr, &len);
1724#if _POSIX_MEMLOCK_RANGE 1826#if _POSIX_MEMLOCK_RANGE
1725 RETVAL = munlock (addr, len); 1827 RETVAL = munlock (addr, len);
1726#else 1828#else
1727 RETVAL = ((errno = ENOSYS), -1); 1829 RETVAL = EIO_ENOSYS ();
1728#endif 1830#endif
1729} 1831}
1730 OUTPUT: 1832 OUTPUT:
1731 RETVAL 1833 RETVAL
1732 1834
1734munlockall () 1836munlockall ()
1735 CODE: 1837 CODE:
1736#if _POSIX_MEMLOCK 1838#if _POSIX_MEMLOCK
1737 munlockall (); 1839 munlockall ();
1738#else 1840#else
1841 RETVAL = EIO_ENOSYS ();
1842#endif
1843 OUTPUT:
1844 RETVAL
1845
1846int
1847splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1848 CODE:
1849{
1850#if HAVE_LINUX_SPLICE
1851 loff_t off_in_, off_out_;
1852 RETVAL = splice (
1853 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1854 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1855 length, flags
1856 );
1857#else
1858 RETVAL = EIO_ENOSYS ();
1859#endif
1860}
1861 OUTPUT:
1862 RETVAL
1863
1864int
1865tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1866 CODE:
1867#if HAVE_LINUX_SPLICE
1868 RETVAL = tee (rfh, wfh, length, flags);
1869#else
1870 RETVAL = EIO_ENOSYS ();
1871#endif
1872 OUTPUT:
1873 RETVAL
1874
1875int
1876pipesize (aio_rfd rfh, int new_size = -1)
1877 PROTOTYPE: $;$
1878 CODE:
1879#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1880 if (new_size >= 0)
1881 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1882 else
1883 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1884#else
1885 errno = ENOSYS;
1739 RETVAL = -1; 1886 RETVAL = -1;
1740 errno = ENOSYS;
1741#endif 1887#endif
1742 OUTPUT: 1888 OUTPUT:
1743 RETVAL 1889 RETVAL
1744 1890
1745void _on_next_submit (SV *cb) 1891void _on_next_submit (SV *cb)
1761DESTROY (SV *self) 1907DESTROY (SV *self)
1762 CODE: 1908 CODE:
1763{ 1909{
1764 aio_wd wd = SvAIO_WD (self); 1910 aio_wd wd = SvAIO_WD (self);
1765#if HAVE_AT 1911#if HAVE_AT
1912 {
1766 SV *callback = &PL_sv_undef; 1913 SV *callback = &PL_sv_undef;
1767 dREQ; /* clobbers next_pri :/ */ 1914 dREQ; /* clobbers next_pri :/ */
1915 next_pri = req->pri; /* restore next_pri */
1916 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1768 req->type = EIO_WD_CLOSE; 1917 req->type = EIO_WD_CLOSE;
1769 req->wd = wd; 1918 req->wd = wd;
1770 REQ_SEND; 1919 REQ_SEND;
1920 }
1771#else 1921#else
1772 eio_wd_close_sync (wd); 1922 eio_wd_close_sync (wd);
1773#endif 1923#endif
1774} 1924}
1775 1925

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