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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.201 by root, Thu Sep 29 09:57:12 2011 UTC vs.
Revision 1.215 by root, Sun Jun 17 17:07:25 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
… …
123static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
125 126
126#include "libeio/eio.c" 127#include "libeio/eio.c"
127 128
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 130# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 131#endif
196 132
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 135#endif
291 136
292#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 138# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
295# else 140# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 142# endif
298#endif 143#endif
299#ifndef MAP_HUGETLB 144
300# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
301#endif 146#include "def0.h"
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 147
315#ifndef makedev 148#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 150#endif
318#ifndef major 151#ifndef major
… …
323#endif 156#endif
324 157
325#ifndef PAGESIZE 158#ifndef PAGESIZE
326# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 160#endif
161
162/*****************************************************************************/
163
164static void
165fiemap (eio_req *req)
166{
167 req->result = -1;
168
169#if HAVE_FIEMAP
170 int count = req->int3;
171
172 /* heuristic: first try with 64 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 maybe 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_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* autosizing successful, we are done */
201
202 fiemap->fm_flags = req->int2;
203 fiemap->fm_extent_count = 0;
204
205 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206 return;
207
208 count = fiemap->fm_mapped_extents;
209
210 free (fiemap);
211 }
212
213 req->result = 0;
214
215#else
216 errno = ENOSYS;
217#endif
218}
219
220/*****************************************************************************/
328 221
329enum { 222enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 223 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 224};
332 225
… …
371} 264}
372 265
373static SV * 266static SV *
374newSVaio_wd (aio_wd wd) 267newSVaio_wd (aio_wd wd)
375{ 268{
376 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 269 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash);
377} 270}
378 271
379static aio_req 272static aio_req
380SvAIO_REQ (SV *sv) 273SvAIO_REQ (SV *sv)
381{ 274{
382 MAGIC *mg; 275 MAGIC *mg;
383 276
384 if (!SvROK (sv) 277 if (!SvROK (sv)
278 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 279 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 280 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 281 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 282 croak ("object of class IO::AIO::REQ expected");
389 283
… …
394 288
395static aio_wd 289static aio_wd
396SvAIO_WD (SV *sv) 290SvAIO_WD (SV *sv)
397{ 291{
398 if (!SvROK (sv) 292 if (!SvROK (sv)
293 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 294 || SvSTASH (SvRV (sv)) != aio_wd_stash)
400 || SvTYPE (SvRV (sv)) != SVt_PVMG)
401 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 295 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 296
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 297 return (aio_wd)(long)SvIVX (SvRV (sv));
404} 298}
405 299
… …
471 } 365 }
472 366
473 switch (req->type) 367 switch (req->type)
474 { 368 {
475 case EIO_WD_OPEN: 369 case EIO_WD_OPEN:
476 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 370 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
477 break; 371 break;
478 372
479 case EIO_READDIR: 373 case EIO_READDIR:
480 { 374 {
481 SV *rv = &PL_sv_undef; 375 SV *rv = &PL_sv_undef;
… …
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 528 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 529
636 PUSHs (sv_result); 530 PUSHs (sv_result);
637 break; 531 break;
638 532
533 case EIO_SEEK:
534 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
535 break;
536
639 case EIO_READ: 537 case EIO_READ:
640 { 538 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 539 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
642 *SvEND (req->sv2) = 0; 540 *SvEND (req->sv2) = 0;
643 SvPOK_only (req->sv2); 541 SvPOK_only (req->sv2);
644 SvSETMAGIC (req->sv2); 542 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 543 PUSHs (sv_result);
646 } 544 }
647 break; 545 break;
648 546
547 case EIO_CUSTOM:
548 if (req->feed == fiemap)
549 {
550#if HAVE_FIEMAP
551 if (!req->result)
552 {
553 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
554
555 if (fiemap->fm_extent_count)
556 {
557 AV *av = newAV ();
558 int i;
559
560 while (fiemap->fm_mapped_extents)
561 {
562 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
563 AV *ext_av = newAV ();
564
565 av_store (ext_av, 3, newSVuv (extent->fe_flags));
566 av_store (ext_av, 2, newSVval64 (extent->fe_length));
567 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
568 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
569
570 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
571 }
572
573 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
574 }
575 else
576 {
577 SvIV_set (sv_result, fiemap->fm_mapped_extents);
578 PUSHs (sv_result);
579 }
580 }
581#endif
582 }
583 else
584 PUSHs (sv_result);
585 break;
586
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 587 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 588 if (req->result > 0)
651 SvIV_set (sv_result, 0); 589 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 590 /* FALLTHROUGH */
653 591
… …
689 SvREFCNT_dec (req->sv2); 627 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 628 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 629 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 630 SvREFCNT_dec (req->callback);
693 631
694 Safefree (req); 632 free (req);
695} 633}
696 634
697static void 635static void
698req_cancel_subs (aio_req grp) 636req_cancel_subs (aio_req grp)
699{ 637{
… …
760} 698}
761 699
762/*****************************************************************************/ 700/*****************************************************************************/
763 701
764#if !_POSIX_MAPPED_FILES 702#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 703# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766# define munmap(addr,length) (errno = ENOSYS, -1) 704# define munmap(addr,length) EIO_ENOSYS ()
767#endif 705#endif
768 706
769#if !_POSIX_MEMORY_PROTECTION 707#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 708# define mprotect(addr,len,prot) EIO_ENOSYS ()
771# define PROT_NONE 0 709# define PROT_NONE 0
772# define PROT_WRITE 0 710# define PROT_WRITE 0
773# define MAP_PRIVATE 0 711# define MAP_PRIVATE 0
774# define MAP_SHARED 0 712# define MAP_SHARED 0
775# define MAP_FIXED 0 713# define MAP_FIXED 0
… …
809{ 747{
810 SvGETMAGIC (cb_sv); 748 SvGETMAGIC (cb_sv);
811 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 749 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812} 750}
813 751
752static aio_req ecb_noinline
753dreq (SV *callback)
754{
755 SV *cb_cv;
756 aio_req req;
757 int req_pri = next_pri;
758 next_pri = EIO_PRI_DEFAULT;
759
760 cb_cv = get_cb (callback);
761
762 req = calloc (sizeof (*req), 1);
763 if (!req)
764 croak ("out of memory during eio_req allocation");
765
766 req->callback = SvREFCNT_inc (cb_cv);
767 req->pri = req_pri;
768
769 return req;
770}
771
814#define dREQ \ 772#define dREQ \
815 SV *cb_cv; \ 773 aio_req req = dreq (callback); \
816 aio_req req; \
817 int req_pri = next_pri; \
818 next_pri = EIO_PRI_DEFAULT; \
819 \
820 cb_cv = get_cb (callback); \
821 \
822 Newz (0, req, 1, eio_req); \
823 if (!req) \
824 croak ("out of memory during eio_req allocation"); \
825 \
826 req->callback = SvREFCNT_inc (cb_cv); \
827 req->pri = req_pri
828 774
829#define REQ_SEND \ 775#define REQ_SEND \
830 PUTBACK; \ 776 PUTBACK; \
831 req_submit (req); \ 777 req_submit (req); \
832 SPAGAIN; \ 778 SPAGAIN; \
… …
837ecb_inline void 783ecb_inline void
838req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 784req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
839{ 785{
840 if (expect_false (SvROK (path))) 786 if (expect_false (SvROK (path)))
841 { 787 {
842 AV *av = (AV *)SvRV (path); 788 SV *rv = SvRV (path);
843 SV *wdob; 789 SV *wdob;
844 790
845 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 791 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
846 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
847
848 path = AvARRAY (av)[1];
849 wdob = AvARRAY (av)[0];
850
851 if (SvOK (wdob))
852 { 792 {
793 path = AvARRAY (rv)[1];
794 wdob = AvARRAY (rv)[0];
795
796 if (SvOK (wdob))
797 {
853 *wd = SvAIO_WD (wdob); 798 *wd = SvAIO_WD (wdob);
854 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 799 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
800 }
801 else
802 *wd = EIO_INVALID_WD;
803 }
804 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
805 {
806 *wd = (aio_wd)(long)SvIVX (rv);
807 *wdsv = SvREFCNT_inc_NN (rv);
808 *ptr = ".";
809 return; /* path set to "." */
855 } 810 }
856 else 811 else
857 *wd = EIO_INVALID_WD; 812 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
858 } 813 }
859 814
860 *pathsv = newSVsv (path); 815 *pathsv = newSVsv (path);
861 *ptr = SvPVbyte_nolen (*pathsv); 816 *ptr = SvPVbyte_nolen (*pathsv);
862} 817}
… …
887 req_set_path1 (req, fh_or_path); 842 req_set_path1 (req, fh_or_path);
888 break; 843 break;
889 } 844 }
890} 845}
891 846
847XS(boot_IO__AIO) ecb_cold;
848
892MODULE = IO::AIO PACKAGE = IO::AIO 849MODULE = IO::AIO PACKAGE = IO::AIO
893 850
894PROTOTYPES: ENABLE 851PROTOTYPES: ENABLE
895 852
896BOOT: 853BOOT:
… …
900 IV iv; 857 IV iv;
901 } *civ, const_iv[] = { 858 } *civ, const_iv[] = {
902# define const_niv(name, value) { # name, (IV) value }, 859# define const_niv(name, value) { # name, (IV) value },
903# define const_iv(name) { # name, (IV) name }, 860# define const_iv(name) { # name, (IV) name },
904# define const_eio(name) { # name, (IV) EIO_ ## name }, 861# define const_eio(name) { # name, (IV) EIO_ ## name },
862
863 /* you have to re-run ./gendef0 after adding/Removing any constants here */
864
865 const_iv (ENOSYS)
905 const_iv (EXDEV) 866 const_iv (EXDEV)
906 const_iv (ENOSYS) 867 const_iv (EBADR)
868
907 const_iv (O_RDONLY) 869 const_iv (O_RDONLY)
908 const_iv (O_WRONLY) 870 const_iv (O_WRONLY)
909 const_iv (O_RDWR) 871 const_iv (O_RDWR)
910 const_iv (O_CREAT) 872 const_iv (O_CREAT)
911 const_iv (O_TRUNC) 873 const_iv (O_TRUNC)
… …
979 const_iv (MAP_LOCKED) 941 const_iv (MAP_LOCKED)
980 const_iv (MAP_NORESERVE) 942 const_iv (MAP_NORESERVE)
981 const_iv (MAP_POPULATE) 943 const_iv (MAP_POPULATE)
982 const_iv (MAP_NONBLOCK) 944 const_iv (MAP_NONBLOCK)
983 945
946 const_iv (FIEMAP_FLAG_SYNC)
947 const_iv (FIEMAP_FLAG_XATTR)
948 const_iv (FIEMAP_FLAGS_COMPAT)
949 const_iv (FIEMAP_EXTENT_LAST)
950 const_iv (FIEMAP_EXTENT_UNKNOWN)
951 const_iv (FIEMAP_EXTENT_DELALLOC)
952 const_iv (FIEMAP_EXTENT_ENCODED)
953 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
954 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
955 const_iv (FIEMAP_EXTENT_DATA_INLINE)
956 const_iv (FIEMAP_EXTENT_DATA_TAIL)
957 const_iv (FIEMAP_EXTENT_UNWRITTEN)
958 const_iv (FIEMAP_EXTENT_MERGED)
959 const_iv (FIEMAP_EXTENT_SHARED)
960
961 const_iv (SPLICE_F_MOVE)
962 const_iv (SPLICE_F_NONBLOCK)
963 const_iv (SPLICE_F_MORE)
964 const_iv (SPLICE_F_GIFT)
965
966 const_iv (SEEK_DATA)
967 const_iv (SEEK_HOLE)
968
969 /* libeio constants */
970 const_eio (SEEK_SET)
971 const_eio (SEEK_CUR)
972 const_eio (SEEK_END)
973
984 const_eio (MCL_FUTURE) 974 const_eio (MCL_FUTURE)
985 const_eio (MCL_CURRENT) 975 const_eio (MCL_CURRENT)
986 976
987 const_eio (MS_ASYNC) 977 const_eio (MS_ASYNC)
988 const_eio (MS_INVALIDATE) 978 const_eio (MS_INVALIDATE)
… …
1110 1100
1111 req->type = ix; 1101 req->type = ix;
1112 req->sv1 = newSVsv (fh); 1102 req->sv1 = newSVsv (fh);
1113 req->int1 = fd; 1103 req->int1 = fd;
1114 1104
1115 REQ_SEND (req); 1105 REQ_SEND;
1116} 1106}
1117 1107
1118void 1108void
1119aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1109aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1120 PPCODE: 1110 PPCODE:
… …
1127 req->int1 = fd; 1117 req->int1 = fd;
1128 req->offs = offset; 1118 req->offs = offset;
1129 req->size = nbytes; 1119 req->size = nbytes;
1130 req->int2 = flags; 1120 req->int2 = flags;
1131 1121
1132 REQ_SEND (req); 1122 REQ_SEND;
1133} 1123}
1134 1124
1135void 1125void
1136aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1126aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1137 PPCODE: 1127 PPCODE:
… …
1144 req->int1 = fd; 1134 req->int1 = fd;
1145 req->int2 = mode; 1135 req->int2 = mode;
1146 req->offs = offset; 1136 req->offs = offset;
1147 req->size = len; 1137 req->size = len;
1148 1138
1149 REQ_SEND (req); 1139 REQ_SEND;
1150} 1140}
1151 1141
1152void 1142void
1153aio_close (SV *fh, SV *callback=&PL_sv_undef) 1143aio_close (SV *fh, SV *callback=&PL_sv_undef)
1154 PPCODE: 1144 PPCODE:
… …
1178 req->type = EIO_DUP2; 1168 req->type = EIO_DUP2;
1179 req->int1 = close_fd; 1169 req->int1 = close_fd;
1180 req->sv2 = newSVsv (fh); 1170 req->sv2 = newSVsv (fh);
1181 req->int2 = fd; 1171 req->int2 = fd;
1182 1172
1183 REQ_SEND (req); 1173 REQ_SEND;
1174}
1175
1176void
1177aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1178 PPCODE:
1179{
1180 int fd = s_fileno_croak (fh, 0);
1181 dREQ;
1182
1183 req->type = EIO_SEEK;
1184 req->sv1 = newSVsv (fh);
1185 req->int1 = fd;
1186 req->offs = SvVAL64 (offset);
1187 req->int2 = whence;
1188
1189 REQ_SEND;
1184} 1190}
1185 1191
1186void 1192void
1187aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1193aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1188 ALIAS: 1194 ALIAS:
… …
1209 } 1215 }
1210 else 1216 else
1211 { 1217 {
1212 /* read: check type and grow scalar as necessary */ 1218 /* read: check type and grow scalar as necessary */
1213 SvUPGRADE (data, SVt_PV); 1219 SvUPGRADE (data, SVt_PV);
1220 if (SvLEN (data) >= SvCUR (data))
1214 svptr = SvGROW (data, len + dataoffset + 1); 1221 svptr = SvGROW (data, len + dataoffset + 1);
1222 else if (SvCUR (data) < len + dataoffset)
1223 croak ("length + dataoffset outside of scalar, and cannot grow");
1215 } 1224 }
1216 1225
1217 { 1226 {
1218 dREQ; 1227 dREQ;
1219 1228
… …
1294 aio_statvfs = EIO_STATVFS 1303 aio_statvfs = EIO_STATVFS
1295 PPCODE: 1304 PPCODE:
1296{ 1305{
1297 dREQ; 1306 dREQ;
1298 1307
1299 req->sv1 = newSVsv (fh_or_path);
1300 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1308 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1309
1301 REQ_SEND; 1310 REQ_SEND;
1302} 1311}
1303 1312
1304UV 1313UV
1305major (UV dev) 1314major (UV dev)
… …
1419 aio_link = EIO_LINK 1428 aio_link = EIO_LINK
1420 aio_symlink = EIO_SYMLINK 1429 aio_symlink = EIO_SYMLINK
1421 aio_rename = EIO_RENAME 1430 aio_rename = EIO_RENAME
1422 PPCODE: 1431 PPCODE:
1423{ 1432{
1433 eio_wd wd2 = 0;
1424 dREQ; 1434 dREQ;
1425 eio_wd wd2 = 0;
1426 1435
1427 req->type = ix; 1436 req->type = ix;
1428 req_set_path1 (req, oldpath); 1437 req_set_path1 (req, oldpath);
1429 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1438 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1430 req->int3 = (long)wd2; 1439 req->int3 = (long)wd2;
… …
1516 1525
1517 req->type = EIO_MLOCKALL; 1526 req->type = EIO_MLOCKALL;
1518 req->int1 = flags; 1527 req->int1 = flags;
1519 1528
1520 REQ_SEND; 1529 REQ_SEND;
1530}
1531
1532void
1533aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1534 PPCODE:
1535{
1536 int fd = s_fileno_croak (fh, 0);
1537 dREQ;
1538
1539 req->type = EIO_CUSTOM;
1540 req->sv1 = newSVsv (fh);
1541 req->int1 = fd;
1542
1543 req->feed = fiemap;
1544#if HAVE_FIEMAP
1545 /* keep our fingers crossed that the next two types are 64 bit */
1546 req->offs = start;
1547 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1548 req->int2 = flags;
1549 req->int3 = SvOK (count) ? SvIV (count) : -1;
1550#endif
1551
1552 REQ_SEND;
1521} 1553}
1522 1554
1523void 1555void
1524aio_busy (double delay, SV *callback=&PL_sv_undef) 1556aio_busy (double delay, SV *callback=&PL_sv_undef)
1525 PPCODE: 1557 PPCODE:
… …
1657 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1689 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1658 OUTPUT: 1690 OUTPUT:
1659 RETVAL 1691 RETVAL
1660 1692
1661void 1693void
1662mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1694mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1663 PPCODE: 1695 PPCODE:
1664 sv_unmagic (scalar, MMAP_MAGIC); 1696 sv_unmagic (scalar, MMAP_MAGIC);
1665{ 1697{
1666 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1698 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1667 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1699 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1700 ALIAS: 1732 ALIAS:
1701 mprotect = 1 1733 mprotect = 1
1702 CODE: 1734 CODE:
1703{ 1735{
1704 STRLEN svlen; 1736 STRLEN svlen;
1705 void *addr = SvPVbyte (scalar, svlen); 1737 void *addr = SvPVbyte (scalar, svlen);
1706 size_t len = SvUV (length); 1738 size_t len = SvUV (length);
1707 1739
1708 if (offset < 0) 1740 if (offset < 0)
1709 offset += svlen; 1741 offset += svlen;
1710 1742
… …
1746 addr = (void *)(((intptr_t)addr) + offset); 1778 addr = (void *)(((intptr_t)addr) + offset);
1747 eio_page_align (&addr, &len); 1779 eio_page_align (&addr, &len);
1748#if _POSIX_MEMLOCK_RANGE 1780#if _POSIX_MEMLOCK_RANGE
1749 RETVAL = munlock (addr, len); 1781 RETVAL = munlock (addr, len);
1750#else 1782#else
1751 RETVAL = ((errno = ENOSYS), -1); 1783 RETVAL = EIO_ENOSYS ();
1752#endif 1784#endif
1753} 1785}
1754 OUTPUT: 1786 OUTPUT:
1755 RETVAL 1787 RETVAL
1756 1788
… …
1758munlockall () 1790munlockall ()
1759 CODE: 1791 CODE:
1760#if _POSIX_MEMLOCK 1792#if _POSIX_MEMLOCK
1761 munlockall (); 1793 munlockall ();
1762#else 1794#else
1763 RETVAL = -1; 1795 RETVAL = EIO_ENOSYS ();
1764 errno = ENOSYS;
1765#endif 1796#endif
1766 OUTPUT: 1797 OUTPUT:
1798 RETVAL
1799
1800int
1801splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1802 CODE:
1803{
1804#if HAVE_LINUX_SPLICE
1805 loff_t off_in_, off_out_;
1806 RETVAL = splice (
1807 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1808 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1809 length, flags
1810 );
1811#else
1812 RETVAL = EIO_ENOSYS ();
1813#endif
1814}
1815 OUTPUT:
1816 RETVAL
1817
1818int
1819tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1820 CODE:
1821#if HAVE_LINUX_SPLICE
1822 RETVAL = tee (rfh, wfh, length, flags);
1823#else
1824 RETVAL = EIO_ENOSYS ();
1825#endif
1826 OUTPUT:
1767 RETVAL 1827 RETVAL
1768 1828
1769void _on_next_submit (SV *cb) 1829void _on_next_submit (SV *cb)
1770 CODE: 1830 CODE:
1771 SvREFCNT_dec (on_next_submit); 1831 SvREFCNT_dec (on_next_submit);
… …
1785DESTROY (SV *self) 1845DESTROY (SV *self)
1786 CODE: 1846 CODE:
1787{ 1847{
1788 aio_wd wd = SvAIO_WD (self); 1848 aio_wd wd = SvAIO_WD (self);
1789#if HAVE_AT 1849#if HAVE_AT
1850 {
1790 SV *callback = &PL_sv_undef; 1851 SV *callback = &PL_sv_undef;
1791 dREQ; /* clobbers next_pri :/ */ 1852 dREQ; /* clobbers next_pri :/ */
1853 next_pri = req->pri; /* restore next_pri */
1854 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1792 req->type = EIO_WD_CLOSE; 1855 req->type = EIO_WD_CLOSE;
1793 req->wd = wd; 1856 req->wd = wd;
1794 REQ_SEND; 1857 REQ_SEND;
1858 }
1795#else 1859#else
1796 eio_wd_close_sync (wd); 1860 eio_wd_close_sync (wd);
1797#endif 1861#endif
1798} 1862}
1799 1863

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