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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 1.218 by root, Fri Jul 27 17:54:40 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 72 extents if we don't know how many, */
173 /* as most files have (hopefully) fewer than this many extents */
174 /* in fact, most should have <= 2, so the 72 below is probably overkill */
175 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */
177
178 for (;;)
179 {
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM;
182 if (!fiemap)
183 return;
184
185 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187
188 fiemap->fm_start = req->offs;
189 fiemap->fm_length = req->size;
190 fiemap->fm_flags = req->int2;
191 fiemap->fm_extent_count = count;
192
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
194 return;
195
196 if (req->int3 >= 0)
197 break; /* when not autosizing we are done */
198
199 if (!fiemap->fm_mapped_extents)
200 break; /* if file has no segments, we are done */
201
202 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST)
203 break; /* autosizing successful, we are done */
204
205 fiemap->fm_flags = req->int2;
206 fiemap->fm_extent_count = 0;
207
208 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
209 return;
210
211 count = fiemap->fm_mapped_extents;
212
213 free (fiemap);
214 }
215
216 req->result = 0;
217
218#else
219 errno = ENOSYS;
220#endif
221}
222
223/*****************************************************************************/
328 224
329enum { 225enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 226 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 227};
332 228
380SvAIO_REQ (SV *sv) 276SvAIO_REQ (SV *sv)
381{ 277{
382 MAGIC *mg; 278 MAGIC *mg;
383 279
384 if (!SvROK (sv) 280 if (!SvROK (sv)
281 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 282 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 283 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 284 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 285 croak ("object of class IO::AIO::REQ expected");
389 286
394 291
395static aio_wd 292static aio_wd
396SvAIO_WD (SV *sv) 293SvAIO_WD (SV *sv)
397{ 294{
398 if (!SvROK (sv) 295 if (!SvROK (sv)
296 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 297 || 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"); 298 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 299
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 300 return (aio_wd)(long)SvIVX (SvRV (sv));
404} 301}
405 302
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 531 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 532
636 PUSHs (sv_result); 533 PUSHs (sv_result);
637 break; 534 break;
638 535
536 case EIO_SEEK:
537 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
538 break;
539
639 case EIO_READ: 540 case EIO_READ:
640 { 541 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 542 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
642 *SvEND (req->sv2) = 0; 543 *SvEND (req->sv2) = 0;
643 SvPOK_only (req->sv2); 544 SvPOK_only (req->sv2);
644 SvSETMAGIC (req->sv2); 545 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 546 PUSHs (sv_result);
646 } 547 }
647 break; 548 break;
648 549
550 case EIO_CUSTOM:
551 if (req->feed == fiemap)
552 {
553#if HAVE_FIEMAP
554 if (!req->result)
555 {
556 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
557
558 if (fiemap->fm_extent_count)
559 {
560 AV *av = newAV ();
561 int i;
562
563 while (fiemap->fm_mapped_extents)
564 {
565 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
566 AV *ext_av = newAV ();
567
568 av_store (ext_av, 3, newSVuv (extent->fe_flags));
569 av_store (ext_av, 2, newSVval64 (extent->fe_length));
570 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
571 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
572
573 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
574 }
575
576 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
577 }
578 else
579 {
580 SvIV_set (sv_result, fiemap->fm_mapped_extents);
581 PUSHs (sv_result);
582 }
583 }
584#endif
585 }
586 else
587 PUSHs (sv_result);
588 break;
589
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 590 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 591 if (req->result > 0)
651 SvIV_set (sv_result, 0); 592 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 593 /* FALLTHROUGH */
653 594
689 SvREFCNT_dec (req->sv2); 630 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 631 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 632 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 633 SvREFCNT_dec (req->callback);
693 634
694 Safefree (req); 635 free (req);
695} 636}
696 637
697static void 638static void
698req_cancel_subs (aio_req grp) 639req_cancel_subs (aio_req grp)
699{ 640{
760} 701}
761 702
762/*****************************************************************************/ 703/*****************************************************************************/
763 704
764#if !_POSIX_MAPPED_FILES 705#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 706# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
766# define munmap(addr,length) (errno = ENOSYS, -1) 707# define munmap(addr,length) EIO_ENOSYS ()
767#endif 708#endif
768 709
769#if !_POSIX_MEMORY_PROTECTION 710#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 711# define mprotect(addr,len,prot) EIO_ENOSYS ()
771# define PROT_NONE 0 712# define PROT_NONE 0
772# define PROT_WRITE 0 713# define PROT_WRITE 0
773# define MAP_PRIVATE 0 714# define MAP_PRIVATE 0
774# define MAP_SHARED 0 715# define MAP_SHARED 0
775# define MAP_FIXED 0 716# define MAP_FIXED 0
819 int req_pri = next_pri; 760 int req_pri = next_pri;
820 next_pri = EIO_PRI_DEFAULT; 761 next_pri = EIO_PRI_DEFAULT;
821 762
822 cb_cv = get_cb (callback); 763 cb_cv = get_cb (callback);
823 764
824 Newz (0, req, 1, eio_req); 765 req = calloc (sizeof (*req), 1);
825 if (!req) 766 if (!req)
826 croak ("out of memory during eio_req allocation"); 767 croak ("out of memory during eio_req allocation");
827 768
828 req->callback = SvREFCNT_inc (cb_cv); 769 req->callback = SvREFCNT_inc (cb_cv);
829 req->pri = req_pri; 770 req->pri = req_pri;
845ecb_inline void 786ecb_inline void
846req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 787req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
847{ 788{
848 if (expect_false (SvROK (path))) 789 if (expect_false (SvROK (path)))
849 { 790 {
850 AV *av = (AV *)SvRV (path); 791 SV *rv = SvRV (path);
851 SV *wdob; 792 SV *wdob;
852 793
853 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 794 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 { 795 {
796 path = AvARRAY (rv)[1];
797 wdob = AvARRAY (rv)[0];
798
799 if (SvOK (wdob))
800 {
861 *wd = SvAIO_WD (wdob); 801 *wd = SvAIO_WD (wdob);
862 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 802 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
803 }
804 else
805 *wd = EIO_INVALID_WD;
806 }
807 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
808 {
809 *wd = (aio_wd)(long)SvIVX (rv);
810 *wdsv = SvREFCNT_inc_NN (rv);
811 *ptr = ".";
812 return; /* path set to "." */
863 } 813 }
864 else 814 else
865 *wd = EIO_INVALID_WD; 815 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
866 } 816 }
867 817
868 *pathsv = newSVsv (path); 818 *pathsv = newSVsv (path);
869 *ptr = SvPVbyte_nolen (*pathsv); 819 *ptr = SvPVbyte_nolen (*pathsv);
870} 820}
910 IV iv; 860 IV iv;
911 } *civ, const_iv[] = { 861 } *civ, const_iv[] = {
912# define const_niv(name, value) { # name, (IV) value }, 862# define const_niv(name, value) { # name, (IV) value },
913# define const_iv(name) { # name, (IV) name }, 863# define const_iv(name) { # name, (IV) name },
914# define const_eio(name) { # name, (IV) EIO_ ## name }, 864# define const_eio(name) { # name, (IV) EIO_ ## name },
865
866 /* you have to re-run ./gendef0 after adding/Removing any constants here */
867
868 const_iv (ENOSYS)
915 const_iv (EXDEV) 869 const_iv (EXDEV)
916 const_iv (ENOSYS) 870 const_iv (EBADR)
871
917 const_iv (O_RDONLY) 872 const_iv (O_RDONLY)
918 const_iv (O_WRONLY) 873 const_iv (O_WRONLY)
919 const_iv (O_RDWR) 874 const_iv (O_RDWR)
920 const_iv (O_CREAT) 875 const_iv (O_CREAT)
921 const_iv (O_TRUNC) 876 const_iv (O_TRUNC)
989 const_iv (MAP_LOCKED) 944 const_iv (MAP_LOCKED)
990 const_iv (MAP_NORESERVE) 945 const_iv (MAP_NORESERVE)
991 const_iv (MAP_POPULATE) 946 const_iv (MAP_POPULATE)
992 const_iv (MAP_NONBLOCK) 947 const_iv (MAP_NONBLOCK)
993 948
949 const_iv (FIEMAP_FLAG_SYNC)
950 const_iv (FIEMAP_FLAG_XATTR)
951 const_iv (FIEMAP_FLAGS_COMPAT)
952 const_iv (FIEMAP_EXTENT_LAST)
953 const_iv (FIEMAP_EXTENT_UNKNOWN)
954 const_iv (FIEMAP_EXTENT_DELALLOC)
955 const_iv (FIEMAP_EXTENT_ENCODED)
956 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
957 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
958 const_iv (FIEMAP_EXTENT_DATA_INLINE)
959 const_iv (FIEMAP_EXTENT_DATA_TAIL)
960 const_iv (FIEMAP_EXTENT_UNWRITTEN)
961 const_iv (FIEMAP_EXTENT_MERGED)
962 const_iv (FIEMAP_EXTENT_SHARED)
963
964 const_iv (SPLICE_F_MOVE)
965 const_iv (SPLICE_F_NONBLOCK)
966 const_iv (SPLICE_F_MORE)
967 const_iv (SPLICE_F_GIFT)
968
969 const_iv (SEEK_DATA)
970 const_iv (SEEK_HOLE)
971
972 /* libeio constants */
973 const_eio (SEEK_SET)
974 const_eio (SEEK_CUR)
975 const_eio (SEEK_END)
976
994 const_eio (MCL_FUTURE) 977 const_eio (MCL_FUTURE)
995 const_eio (MCL_CURRENT) 978 const_eio (MCL_CURRENT)
996 979
997 const_eio (MS_ASYNC) 980 const_eio (MS_ASYNC)
998 const_eio (MS_INVALIDATE) 981 const_eio (MS_INVALIDATE)
1003 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 986 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1004 const_eio (SYNC_FILE_RANGE_WRITE) 987 const_eio (SYNC_FILE_RANGE_WRITE)
1005 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 988 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1006 989
1007 const_eio (FALLOC_FL_KEEP_SIZE) 990 const_eio (FALLOC_FL_KEEP_SIZE)
991 const_eio (FALLOC_FL_PUNCH_HOLE)
1008 992
1009 const_eio (READDIR_DENTS) 993 const_eio (READDIR_DENTS)
1010 const_eio (READDIR_DIRS_FIRST) 994 const_eio (READDIR_DIRS_FIRST)
1011 const_eio (READDIR_STAT_ORDER) 995 const_eio (READDIR_STAT_ORDER)
1012 const_eio (READDIR_FOUND_UNKNOWN) 996 const_eio (READDIR_FOUND_UNKNOWN)
1120 1104
1121 req->type = ix; 1105 req->type = ix;
1122 req->sv1 = newSVsv (fh); 1106 req->sv1 = newSVsv (fh);
1123 req->int1 = fd; 1107 req->int1 = fd;
1124 1108
1125 REQ_SEND (req); 1109 REQ_SEND;
1126} 1110}
1127 1111
1128void 1112void
1129aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1113aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1130 PPCODE: 1114 PPCODE:
1137 req->int1 = fd; 1121 req->int1 = fd;
1138 req->offs = offset; 1122 req->offs = offset;
1139 req->size = nbytes; 1123 req->size = nbytes;
1140 req->int2 = flags; 1124 req->int2 = flags;
1141 1125
1142 REQ_SEND (req); 1126 REQ_SEND;
1143} 1127}
1144 1128
1145void 1129void
1146aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1130aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1147 PPCODE: 1131 PPCODE:
1154 req->int1 = fd; 1138 req->int1 = fd;
1155 req->int2 = mode; 1139 req->int2 = mode;
1156 req->offs = offset; 1140 req->offs = offset;
1157 req->size = len; 1141 req->size = len;
1158 1142
1159 REQ_SEND (req); 1143 REQ_SEND;
1160} 1144}
1161 1145
1162void 1146void
1163aio_close (SV *fh, SV *callback=&PL_sv_undef) 1147aio_close (SV *fh, SV *callback=&PL_sv_undef)
1164 PPCODE: 1148 PPCODE:
1188 req->type = EIO_DUP2; 1172 req->type = EIO_DUP2;
1189 req->int1 = close_fd; 1173 req->int1 = close_fd;
1190 req->sv2 = newSVsv (fh); 1174 req->sv2 = newSVsv (fh);
1191 req->int2 = fd; 1175 req->int2 = fd;
1192 1176
1193 REQ_SEND (req); 1177 REQ_SEND;
1178}
1179
1180void
1181aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1182 PPCODE:
1183{
1184 int fd = s_fileno_croak (fh, 0);
1185 dREQ;
1186
1187 req->type = EIO_SEEK;
1188 req->sv1 = newSVsv (fh);
1189 req->int1 = fd;
1190 req->offs = SvVAL64 (offset);
1191 req->int2 = whence;
1192
1193 REQ_SEND;
1194} 1194}
1195 1195
1196void 1196void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
1198 ALIAS: 1198 ALIAS:
1219 } 1219 }
1220 else 1220 else
1221 { 1221 {
1222 /* read: check type and grow scalar as necessary */ 1222 /* read: check type and grow scalar as necessary */
1223 SvUPGRADE (data, SVt_PV); 1223 SvUPGRADE (data, SVt_PV);
1224 if (SvLEN (data) >= SvCUR (data))
1224 svptr = SvGROW (data, len + dataoffset + 1); 1225 svptr = SvGROW (data, len + dataoffset + 1);
1226 else if (SvCUR (data) < len + dataoffset)
1227 croak ("length + dataoffset outside of scalar, and cannot grow");
1225 } 1228 }
1226 1229
1227 { 1230 {
1228 dREQ; 1231 dREQ;
1229 1232
1429 aio_link = EIO_LINK 1432 aio_link = EIO_LINK
1430 aio_symlink = EIO_SYMLINK 1433 aio_symlink = EIO_SYMLINK
1431 aio_rename = EIO_RENAME 1434 aio_rename = EIO_RENAME
1432 PPCODE: 1435 PPCODE:
1433{ 1436{
1437 eio_wd wd2 = 0;
1434 dREQ; 1438 dREQ;
1435 eio_wd wd2 = 0;
1436 1439
1437 req->type = ix; 1440 req->type = ix;
1438 req_set_path1 (req, oldpath); 1441 req_set_path1 (req, oldpath);
1439 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1442 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1440 req->int3 = (long)wd2; 1443 req->int3 = (long)wd2;
1526 1529
1527 req->type = EIO_MLOCKALL; 1530 req->type = EIO_MLOCKALL;
1528 req->int1 = flags; 1531 req->int1 = flags;
1529 1532
1530 REQ_SEND; 1533 REQ_SEND;
1534}
1535
1536void
1537aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1538 PPCODE:
1539{
1540 int fd = s_fileno_croak (fh, 0);
1541 dREQ;
1542
1543 req->type = EIO_CUSTOM;
1544 req->sv1 = newSVsv (fh);
1545 req->int1 = fd;
1546
1547 req->feed = fiemap;
1548#if HAVE_FIEMAP
1549 /* keep our fingers crossed that the next two types are 64 bit */
1550 req->offs = start;
1551 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1552 req->int2 = flags;
1553 req->int3 = SvOK (count) ? SvIV (count) : -1;
1554#endif
1555
1556 REQ_SEND;
1531} 1557}
1532 1558
1533void 1559void
1534aio_busy (double delay, SV *callback=&PL_sv_undef) 1560aio_busy (double delay, SV *callback=&PL_sv_undef)
1535 PPCODE: 1561 PPCODE:
1667 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1693 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1668 OUTPUT: 1694 OUTPUT:
1669 RETVAL 1695 RETVAL
1670 1696
1671void 1697void
1672mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1698mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1673 PPCODE: 1699 PPCODE:
1674 sv_unmagic (scalar, MMAP_MAGIC); 1700 sv_unmagic (scalar, MMAP_MAGIC);
1675{ 1701{
1676 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1702 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1677 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1703 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1710 ALIAS: 1736 ALIAS:
1711 mprotect = 1 1737 mprotect = 1
1712 CODE: 1738 CODE:
1713{ 1739{
1714 STRLEN svlen; 1740 STRLEN svlen;
1715 void *addr = SvPVbyte (scalar, svlen); 1741 void *addr = SvPVbyte (scalar, svlen);
1716 size_t len = SvUV (length); 1742 size_t len = SvUV (length);
1717 1743
1718 if (offset < 0) 1744 if (offset < 0)
1719 offset += svlen; 1745 offset += svlen;
1720 1746
1756 addr = (void *)(((intptr_t)addr) + offset); 1782 addr = (void *)(((intptr_t)addr) + offset);
1757 eio_page_align (&addr, &len); 1783 eio_page_align (&addr, &len);
1758#if _POSIX_MEMLOCK_RANGE 1784#if _POSIX_MEMLOCK_RANGE
1759 RETVAL = munlock (addr, len); 1785 RETVAL = munlock (addr, len);
1760#else 1786#else
1761 RETVAL = ((errno = ENOSYS), -1); 1787 RETVAL = EIO_ENOSYS ();
1762#endif 1788#endif
1763} 1789}
1764 OUTPUT: 1790 OUTPUT:
1765 RETVAL 1791 RETVAL
1766 1792
1768munlockall () 1794munlockall ()
1769 CODE: 1795 CODE:
1770#if _POSIX_MEMLOCK 1796#if _POSIX_MEMLOCK
1771 munlockall (); 1797 munlockall ();
1772#else 1798#else
1773 RETVAL = -1; 1799 RETVAL = EIO_ENOSYS ();
1774 errno = ENOSYS;
1775#endif 1800#endif
1776 OUTPUT: 1801 OUTPUT:
1802 RETVAL
1803
1804int
1805splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1806 CODE:
1807{
1808#if HAVE_LINUX_SPLICE
1809 loff_t off_in_, off_out_;
1810 RETVAL = splice (
1811 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1812 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1813 length, flags
1814 );
1815#else
1816 RETVAL = EIO_ENOSYS ();
1817#endif
1818}
1819 OUTPUT:
1820 RETVAL
1821
1822int
1823tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1824 CODE:
1825#if HAVE_LINUX_SPLICE
1826 RETVAL = tee (rfh, wfh, length, flags);
1827#else
1828 RETVAL = EIO_ENOSYS ();
1829#endif
1830 OUTPUT:
1777 RETVAL 1831 RETVAL
1778 1832
1779void _on_next_submit (SV *cb) 1833void _on_next_submit (SV *cb)
1780 CODE: 1834 CODE:
1781 SvREFCNT_dec (on_next_submit); 1835 SvREFCNT_dec (on_next_submit);

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