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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.203 by root, Thu Sep 29 23:06:24 2011 UTC vs.
Revision 1.211 by root, Sat Apr 7 00:50:33 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/fiemap.h>
28# define HAVE_FIEMAP 1
29# endif
22#endif 30#endif
23 31
24/* perl namespace pollution */ 32/* perl namespace pollution */
25#undef VERSION 33#undef VERSION
26 34
… …
62 #undef dup 70 #undef dup
63 #undef dup2 71 #undef dup2
64 #undef abort 72 #undef abort
65 #undef pipe 73 #undef pipe
66 74
75 #define EIO_STRUCT_STAT struct _stati64
76 #define EIO_STRUCT_STATI64
77
67#else 78#else
68 79
69 #include <sys/time.h> 80 #include <sys/time.h>
70 #include <sys/select.h> 81 #include <sys/select.h>
71 #include <unistd.h> 82 #include <unistd.h>
72 #include <utime.h> 83 #include <utime.h>
73 #include <signal.h> 84 #include <signal.h>
74 85
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 86 #define EIO_STRUCT_STAT Stat_t
78 87
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 88#endif
89 89
90/*****************************************************************************/ 90/*****************************************************************************/
91 91
92#if __GNUC__ >= 3 92#if __GNUC__ >= 3
… …
123static void req_destroy (eio_req *grp); 123static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 124#define EIO_DESTROY(req) req_destroy (req)
125 125
126#include "libeio/eio.c" 126#include "libeio/eio.c"
127 127
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 128#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 129# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 130#endif
196 131
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 132#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 133# 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 134#endif
291 135
292#ifndef MAP_ANONYMOUS 136#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 137# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 138# define MAP_ANONYMOUS MAP_ANON
295# else 139# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 140# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 141# endif
298#endif 142#endif
299#ifndef MAP_HUGETLB 143
300# define MAP_HUGETLB 0 144/* defines all sorts of constants to 0 unless they are already defined */
301#endif 145#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
314 146
315#ifndef makedev 147#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 148# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 149#endif
318#ifndef major 150#ifndef major
… …
323#endif 155#endif
324 156
325#ifndef PAGESIZE 157#ifndef PAGESIZE
326# define PAGESIZE sysconf (_SC_PAGESIZE) 158# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 159#endif
160
161/*****************************************************************************/
162
163static void
164fiemap (eio_req *req)
165{
166 req->result = -1;
167
168#if HAVE_FIEMAP
169 int count = req->int3;
170
171 /* heuristic: first try with 64 extents if we don't know how many, */
172 /* as most files have (hopefully) fewer than this many extents */
173 /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */
174 if (count < 0)
175 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
176
177 for (;;)
178 {
179 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
180 errno = ENOMEM;
181 if (!fiemap)
182 return;
183
184 req->ptr1 = fiemap;
185 req->flags |= EIO_FLAG_PTR1_FREE;
186
187 fiemap->fm_start = req->offs;
188 fiemap->fm_length = req->size;
189 fiemap->fm_flags = req->int2;
190 fiemap->fm_extent_count = count;
191
192 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
193 return;
194
195 if (req->int3 >= 0)
196 break; /* when not autosizing we are done */
197
198 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
199 break; /* autosizing successful, we are done */
200
201 fiemap->fm_flags = req->int2;
202 fiemap->fm_extent_count = 0;
203
204 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
205 return;
206
207 count = fiemap->fm_mapped_extents;
208
209 free (fiemap);
210 }
211
212 req->result = 0;
213
214#else
215 errno = ENOSYS;
216#endif
217}
218
219/*****************************************************************************/
328 220
329enum { 221enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 222 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 223};
332 224
… …
380SvAIO_REQ (SV *sv) 272SvAIO_REQ (SV *sv)
381{ 273{
382 MAGIC *mg; 274 MAGIC *mg;
383 275
384 if (!SvROK (sv) 276 if (!SvROK (sv)
277 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 278 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 279 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 280 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 281 croak ("object of class IO::AIO::REQ expected");
389 282
… …
394 287
395static aio_wd 288static aio_wd
396SvAIO_WD (SV *sv) 289SvAIO_WD (SV *sv)
397{ 290{
398 if (!SvROK (sv) 291 if (!SvROK (sv)
292 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 293 || 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"); 294 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 295
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 296 return (aio_wd)(long)SvIVX (SvRV (sv));
404} 297}
405 298
… …
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 527 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 528
636 PUSHs (sv_result); 529 PUSHs (sv_result);
637 break; 530 break;
638 531
532 case EIO_SEEK:
533 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
534 break;
535
639 case EIO_READ: 536 case EIO_READ:
640 { 537 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 538 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
642 *SvEND (req->sv2) = 0; 539 *SvEND (req->sv2) = 0;
643 SvPOK_only (req->sv2); 540 SvPOK_only (req->sv2);
644 SvSETMAGIC (req->sv2); 541 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 542 PUSHs (sv_result);
646 } 543 }
647 break; 544 break;
648 545
546 case EIO_CUSTOM:
547 if (req->feed == fiemap)
548 {
549#if HAVE_FIEMAP
550 if (!req->result)
551 {
552 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
553
554 if (fiemap->fm_extent_count)
555 {
556 AV *av = newAV ();
557 int i;
558
559 while (fiemap->fm_mapped_extents)
560 {
561 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
562 AV *ext_av = newAV ();
563
564 av_store (ext_av, 3, newSVuv (extent->fe_flags));
565 av_store (ext_av, 2, newSVval64 (extent->fe_length));
566 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
567 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
568
569 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
570 }
571
572 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
573 }
574 else
575 {
576 SvIV_set (sv_result, fiemap->fm_mapped_extents);
577 PUSHs (sv_result);
578 }
579 }
580#endif
581 }
582 else
583 PUSHs (sv_result);
584 break;
585
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 586 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 587 if (req->result > 0)
651 SvIV_set (sv_result, 0); 588 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 589 /* FALLTHROUGH */
653 590
… …
689 SvREFCNT_dec (req->sv2); 626 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 627 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 628 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 629 SvREFCNT_dec (req->callback);
693 630
694 Safefree (req); 631 free (req);
695} 632}
696 633
697static void 634static void
698req_cancel_subs (aio_req grp) 635req_cancel_subs (aio_req grp)
699{ 636{
… …
819 int req_pri = next_pri; 756 int req_pri = next_pri;
820 next_pri = EIO_PRI_DEFAULT; 757 next_pri = EIO_PRI_DEFAULT;
821 758
822 cb_cv = get_cb (callback); 759 cb_cv = get_cb (callback);
823 760
824 Newz (0, req, 1, eio_req); 761 req = calloc (sizeof (*req), 1);
825 if (!req) 762 if (!req)
826 croak ("out of memory during eio_req allocation"); 763 croak ("out of memory during eio_req allocation");
827 764
828 req->callback = SvREFCNT_inc (cb_cv); 765 req->callback = SvREFCNT_inc (cb_cv);
829 req->pri = req_pri; 766 req->pri = req_pri;
… …
845ecb_inline void 782ecb_inline void
846req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 783req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
847{ 784{
848 if (expect_false (SvROK (path))) 785 if (expect_false (SvROK (path)))
849 { 786 {
850 AV *av = (AV *)SvRV (path); 787 SV *rv = SvRV (path);
851 SV *wdob; 788 SV *wdob;
852 789
853 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 790 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
854 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
855
856 path = AvARRAY (av)[1];
857 wdob = AvARRAY (av)[0];
858
859 if (SvOK (wdob))
860 { 791 {
792 path = AvARRAY (rv)[1];
793 wdob = AvARRAY (rv)[0];
794
795 if (SvOK (wdob))
796 {
861 *wd = SvAIO_WD (wdob); 797 *wd = SvAIO_WD (wdob);
862 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 798 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
799 }
800 else
801 *wd = EIO_INVALID_WD;
802 }
803 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
804 {
805 *wd = (aio_wd)(long)SvIVX (rv);
806 *wdsv = SvREFCNT_inc_NN (rv);
807 *ptr = ".";
808 return; /* path set to "." */
863 } 809 }
864 else 810 else
865 *wd = EIO_INVALID_WD; 811 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866 } 812 }
867 813
868 *pathsv = newSVsv (path); 814 *pathsv = newSVsv (path);
869 *ptr = SvPVbyte_nolen (*pathsv); 815 *ptr = SvPVbyte_nolen (*pathsv);
870} 816}
… …
910 IV iv; 856 IV iv;
911 } *civ, const_iv[] = { 857 } *civ, const_iv[] = {
912# define const_niv(name, value) { # name, (IV) value }, 858# define const_niv(name, value) { # name, (IV) value },
913# define const_iv(name) { # name, (IV) name }, 859# define const_iv(name) { # name, (IV) name },
914# define const_eio(name) { # name, (IV) EIO_ ## name }, 860# define const_eio(name) { # name, (IV) EIO_ ## name },
861
862 /* you have to re-run ./gendef0 after adding/Removing any constants here */
863
864 const_iv (ENOSYS)
915 const_iv (EXDEV) 865 const_iv (EXDEV)
916 const_iv (ENOSYS) 866 const_iv (EBADR)
867
917 const_iv (O_RDONLY) 868 const_iv (O_RDONLY)
918 const_iv (O_WRONLY) 869 const_iv (O_WRONLY)
919 const_iv (O_RDWR) 870 const_iv (O_RDWR)
920 const_iv (O_CREAT) 871 const_iv (O_CREAT)
921 const_iv (O_TRUNC) 872 const_iv (O_TRUNC)
… …
989 const_iv (MAP_LOCKED) 940 const_iv (MAP_LOCKED)
990 const_iv (MAP_NORESERVE) 941 const_iv (MAP_NORESERVE)
991 const_iv (MAP_POPULATE) 942 const_iv (MAP_POPULATE)
992 const_iv (MAP_NONBLOCK) 943 const_iv (MAP_NONBLOCK)
993 944
945 const_iv (FIEMAP_FLAG_SYNC)
946 const_iv (FIEMAP_FLAG_XATTR)
947 const_iv (FIEMAP_FLAGS_COMPAT)
948 const_iv (FIEMAP_EXTENT_LAST)
949 const_iv (FIEMAP_EXTENT_UNKNOWN)
950 const_iv (FIEMAP_EXTENT_DELALLOC)
951 const_iv (FIEMAP_EXTENT_ENCODED)
952 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
953 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
954 const_iv (FIEMAP_EXTENT_DATA_INLINE)
955 const_iv (FIEMAP_EXTENT_DATA_TAIL)
956 const_iv (FIEMAP_EXTENT_UNWRITTEN)
957 const_iv (FIEMAP_EXTENT_MERGED)
958 const_iv (FIEMAP_EXTENT_SHARED)
959
960 const_eio (SEEK_SET)
961 const_eio (SEEK_CUR)
962 const_eio (SEEK_END)
963
994 const_eio (MCL_FUTURE) 964 const_eio (MCL_FUTURE)
995 const_eio (MCL_CURRENT) 965 const_eio (MCL_CURRENT)
996 966
997 const_eio (MS_ASYNC) 967 const_eio (MS_ASYNC)
998 const_eio (MS_INVALIDATE) 968 const_eio (MS_INVALIDATE)
… …
1120 1090
1121 req->type = ix; 1091 req->type = ix;
1122 req->sv1 = newSVsv (fh); 1092 req->sv1 = newSVsv (fh);
1123 req->int1 = fd; 1093 req->int1 = fd;
1124 1094
1125 REQ_SEND (req); 1095 REQ_SEND;
1126} 1096}
1127 1097
1128void 1098void
1129aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1099aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1130 PPCODE: 1100 PPCODE:
… …
1137 req->int1 = fd; 1107 req->int1 = fd;
1138 req->offs = offset; 1108 req->offs = offset;
1139 req->size = nbytes; 1109 req->size = nbytes;
1140 req->int2 = flags; 1110 req->int2 = flags;
1141 1111
1142 REQ_SEND (req); 1112 REQ_SEND;
1143} 1113}
1144 1114
1145void 1115void
1146aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1116aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1147 PPCODE: 1117 PPCODE:
… …
1154 req->int1 = fd; 1124 req->int1 = fd;
1155 req->int2 = mode; 1125 req->int2 = mode;
1156 req->offs = offset; 1126 req->offs = offset;
1157 req->size = len; 1127 req->size = len;
1158 1128
1159 REQ_SEND (req); 1129 REQ_SEND;
1160} 1130}
1161 1131
1162void 1132void
1163aio_close (SV *fh, SV *callback=&PL_sv_undef) 1133aio_close (SV *fh, SV *callback=&PL_sv_undef)
1164 PPCODE: 1134 PPCODE:
… …
1188 req->type = EIO_DUP2; 1158 req->type = EIO_DUP2;
1189 req->int1 = close_fd; 1159 req->int1 = close_fd;
1190 req->sv2 = newSVsv (fh); 1160 req->sv2 = newSVsv (fh);
1191 req->int2 = fd; 1161 req->int2 = fd;
1192 1162
1193 REQ_SEND (req); 1163 REQ_SEND;
1164}
1165
1166void
1167aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1168 PPCODE:
1169{
1170 int fd = s_fileno_croak (fh, 0);
1171 dREQ;
1172
1173 req->type = EIO_SEEK;
1174 req->sv1 = newSVsv (fh);
1175 req->int1 = fd;
1176 req->offs = SvVAL64 (offset);
1177 req->int2 = whence;
1178
1179 REQ_SEND;
1194} 1180}
1195 1181
1196void 1182void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1183aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1198 ALIAS: 1184 ALIAS:
… …
1429 aio_link = EIO_LINK 1415 aio_link = EIO_LINK
1430 aio_symlink = EIO_SYMLINK 1416 aio_symlink = EIO_SYMLINK
1431 aio_rename = EIO_RENAME 1417 aio_rename = EIO_RENAME
1432 PPCODE: 1418 PPCODE:
1433{ 1419{
1420 eio_wd wd2 = 0;
1434 dREQ; 1421 dREQ;
1435 eio_wd wd2 = 0;
1436 1422
1437 req->type = ix; 1423 req->type = ix;
1438 req_set_path1 (req, oldpath); 1424 req_set_path1 (req, oldpath);
1439 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1425 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440 req->int3 = (long)wd2; 1426 req->int3 = (long)wd2;
… …
1526 1512
1527 req->type = EIO_MLOCKALL; 1513 req->type = EIO_MLOCKALL;
1528 req->int1 = flags; 1514 req->int1 = flags;
1529 1515
1530 REQ_SEND; 1516 REQ_SEND;
1517}
1518
1519void
1520aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1521 PPCODE:
1522{
1523 int fd = s_fileno_croak (fh, 0);
1524 dREQ;
1525
1526 req->type = EIO_CUSTOM;
1527 req->sv1 = newSVsv (fh);
1528 req->int1 = fd;
1529
1530 req->feed = fiemap;
1531#if HAVE_FIEMAP
1532 /* keep our fingers crossed that the next two types are 64 bit */
1533 req->offs = start;
1534 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1535 req->int2 = flags;
1536 req->int3 = SvOK (count) ? SvIV (count) : -1;
1537#endif
1538
1539 REQ_SEND;
1531} 1540}
1532 1541
1533void 1542void
1534aio_busy (double delay, SV *callback=&PL_sv_undef) 1543aio_busy (double delay, SV *callback=&PL_sv_undef)
1535 PPCODE: 1544 PPCODE:

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