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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.208 by root, Sat Jan 7 18:42:43 2012 UTC vs.
Revision 1.226 by root, Sun Jan 6 11:48:14 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
… …
77 86
78 #define EIO_STRUCT_STAT Stat_t 87 #define EIO_STRUCT_STAT Stat_t
79 88
80#endif 89#endif
81 90
82/* use NV for 32 bit perls as it allows larger offsets */
83#if IVSIZE >= 8
84# define VAL64 IV
85# define SvVAL64 SvIV
86# define newSVval64 newSViv
87#else
88# define VAL64 NV
89# define SvVAL64 SvNV
90# define newSVval64 newSVnv
91#endif
92
93/*****************************************************************************/ 91/*****************************************************************************/
94 92
95#if __GNUC__ >= 3 93#if __GNUC__ >= 3
96# define expect(expr,value) __builtin_expect ((expr),(value)) 94# define expect(expr,value) __builtin_expect ((expr),(value))
97#else 95#else
… …
126static void req_destroy (eio_req *grp); 124static void req_destroy (eio_req *grp);
127#define EIO_DESTROY(req) req_destroy (req) 125#define EIO_DESTROY(req) req_destroy (req)
128 126
129#include "libeio/eio.c" 127#include "libeio/eio.c"
130 128
131/* Linux/others */
132#ifndef O_ASYNC
133# define O_ASYNC 0
134#endif
135#ifndef O_DIRECT
136# define O_DIRECT 0
137#endif
138#ifndef O_NOATIME
139# define O_NOATIME 0
140#endif
141
142/* POSIX */
143#ifndef O_CLOEXEC
144# define O_CLOEXEC 0
145#endif
146#ifndef O_NOFOLLOW
147# define O_NOFOLLOW 0
148#endif
149#ifndef O_NOCTTY
150# define O_NOCTTY 0
151#endif
152#ifndef O_NONBLOCK
153# define O_NONBLOCK 0
154#endif
155#ifndef O_EXEC
156# define O_EXEC 0
157#endif
158#ifndef O_SEARCH
159# define O_SEARCH 0
160#endif
161#ifndef O_DIRECTORY
162# define O_DIRECTORY 0
163#endif
164#ifndef O_DSYNC
165# define O_DSYNC 0
166#endif
167#ifndef O_RSYNC
168# define O_RSYNC 0
169#endif
170#ifndef O_SYNC
171# define O_SYNC 0
172#endif
173#ifndef O_TTY_INIT
174# define O_TTY_INIT 0
175#endif
176
177#ifndef POSIX_FADV_NORMAL
178# define POSIX_FADV_NORMAL 0
179#endif
180#ifndef POSIX_FADV_SEQUENTIAL
181# define POSIX_FADV_SEQUENTIAL 0
182#endif
183#ifndef POSIX_FADV_RANDOM
184# define POSIX_FADV_RANDOM 0
185#endif
186#ifndef POSIX_FADV_NOREUSE
187# define POSIX_FADV_NOREUSE 0
188#endif
189#ifndef POSIX_FADV_WILLNEED
190# define POSIX_FADV_WILLNEED 0
191#endif
192#ifndef POSIX_FADV_DONTNEED
193# define POSIX_FADV_DONTNEED 0
194#endif
195
196#if !HAVE_POSIX_FADVISE 129#if !HAVE_POSIX_FADVISE
197# 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 */
198#endif 131#endif
199 132
200#ifndef POSIX_MADV_NORMAL
201# define POSIX_MADV_NORMAL 0
202#endif
203#ifndef POSIX_MADV_SEQUENTIAL
204# define POSIX_MADV_SEQUENTIAL 0
205#endif
206#ifndef POSIX_MADV_RANDOM
207# define POSIX_MADV_RANDOM 0
208#endif
209#ifndef POSIX_MADV_WILLNEED
210# define POSIX_MADV_WILLNEED 0
211#endif
212#ifndef POSIX_MADV_DONTNEED
213# define POSIX_MADV_DONTNEED 0
214#endif
215
216#if !HAVE_POSIX_MADVISE 133#if !HAVE_POSIX_MADVISE
217# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 134# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
218#endif
219
220#ifndef PROT_NONE
221# define PROT_NONE 0
222#endif
223#ifndef PROT_READ
224# define PROT_READ 0
225#endif
226#ifndef PROT_WRITE
227# define PROT_READ 0
228#endif
229#ifndef PROT_EXEC
230# define PROT_EXEC 0
231#endif
232
233#ifndef ST_RDONLY
234# define ST_RDONLY 0
235#endif
236#ifndef ST_NOSUID
237# define ST_NOSUID 0
238#endif
239#ifndef ST_NODEV
240# define ST_NODEV 0
241#endif
242#ifndef ST_NOEXEC
243# define ST_NOEXEC 0
244#endif
245#ifndef ST_SYNCHRONOUS
246# define ST_SYNCHRONOUS 0
247#endif
248#ifndef ST_MANDLOCK
249# define ST_MANDLOCK 0
250#endif
251#ifndef ST_WRITE
252# define ST_WRITE 0
253#endif
254#ifndef ST_APPEND
255# define ST_APPEND 0
256#endif
257#ifndef ST_IMMUTABLE
258# define ST_IMMUTABLE 0
259#endif
260#ifndef ST_NOATIME
261# define ST_NOATIME 0
262#endif
263#ifndef ST_NODIRATIME
264# define ST_NODIRATIME 0
265#endif
266#ifndef ST_RELATIME
267# define ST_RELATIME 0
268#endif
269
270#ifndef S_IFIFO
271# define S_IFIFO 0
272#endif
273#ifndef S_IFCHR
274# define S_IFCHR 0
275#endif
276#ifndef S_IFBLK
277# define S_IFBLK 0
278#endif
279#ifndef S_IFLNK
280# define S_IFLNK 0
281#endif
282#ifndef S_IFREG
283# define S_IFREG 0
284#endif
285#ifndef S_IFDIR
286# define S_IFDIR 0
287#endif
288#ifndef S_IFWHT
289# define S_IFWHT 0
290#endif
291#ifndef S_IFSOCK
292# define S_IFSOCK 0
293#endif 135#endif
294 136
295#ifndef MAP_ANONYMOUS 137#ifndef MAP_ANONYMOUS
296# ifdef MAP_ANON 138# ifdef MAP_ANON
297# define MAP_ANONYMOUS MAP_ANON 139# define MAP_ANONYMOUS MAP_ANON
298# else 140# else
299# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
300# endif 142# endif
301#endif 143#endif
302#ifndef MAP_HUGETLB 144
303# define MAP_HUGETLB 0 145/* defines all sorts of constants to 0 unless they are already defined */
304#endif 146#include "def0.h"
305#ifndef MAP_LOCKED
306# define MAP_LOCKED 0
307#endif
308#ifndef MAP_NORESERVE
309# define MAP_NORESERVE 0
310#endif
311#ifndef MAP_POPULATE
312# define MAP_POPULATE 0
313#endif
314#ifndef MAP_NONBLOCK
315# define MAP_NONBLOCK 0
316#endif
317 147
318#ifndef makedev 148#ifndef makedev
319# define makedev(maj,min) (((maj) << 8) | (min)) 149# define makedev(maj,min) (((maj) << 8) | (min))
320#endif 150#endif
321#ifndef major 151#ifndef major
… …
323#endif 153#endif
324#ifndef minor 154#ifndef minor
325# define minor(dev) ((dev) & 0xff) 155# define minor(dev) ((dev) & 0xff)
326#endif 156#endif
327 157
328#ifndef PAGESIZE 158#if PAGESIZE <= 0
329# define PAGESIZE sysconf (_SC_PAGESIZE) 159# define PAGESIZE sysconf (_SC_PAGESIZE)
330#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/*****************************************************************************/
331 261
332enum { 262enum {
333 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 263 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
334}; 264};
335 265
… …
580#ifndef _WIN32 510#ifndef _WIN32
581 if (req->result >= 0) 511 if (req->result >= 0)
582 { 512 {
583 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 513 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
584 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));
585 520
586 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 521 rv = sv_2mortal (newRV_noinc ((SV *)hv));
587 522
588 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);
589 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);
… …
591 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);
592 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);
593 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);
594 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);
595 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);
596 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 531 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
597 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);
598 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);
599 } 534 }
600#endif 535#endif
601 536
… …
636 if (!(PL_laststatval = req->result)) 571 if (!(PL_laststatval = req->result))
637 /* 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 */
638 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 573 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
639 574
640 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)));
641 break; 580 break;
642 581
643 case EIO_READ: 582 case EIO_READ:
644 { 583 {
645 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));
… …
648 SvSETMAGIC (req->sv2); 587 SvSETMAGIC (req->sv2);
649 PUSHs (sv_result); 588 PUSHs (sv_result);
650 } 589 }
651 break; 590 break;
652 591
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
653 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 */
654 if (req->result > 0) 633 if (req->result > 0)
655 SvIV_set (sv_result, 0); 634 SvIV_set (sv_result, 0);
656 /* FALLTHROUGH */ 635 /* FALLTHROUGH */
657 636
… …
764} 743}
765 744
766/*****************************************************************************/ 745/*****************************************************************************/
767 746
768#if !_POSIX_MAPPED_FILES 747#if !_POSIX_MAPPED_FILES
769# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 748# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
770# define munmap(addr,length) (errno = ENOSYS, -1) 749# define munmap(addr,length) EIO_ENOSYS ()
771#endif 750#endif
772 751
773#if !_POSIX_MEMORY_PROTECTION 752#if !_POSIX_MEMORY_PROTECTION
774# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 753# define mprotect(addr,len,prot) EIO_ENOSYS ()
775# define PROT_NONE 0 754# define PROT_NONE 0
776# define PROT_WRITE 0 755# define PROT_WRITE 0
777# define MAP_PRIVATE 0 756# define MAP_PRIVATE 0
778# define MAP_SHARED 0 757# define MAP_SHARED 0
779# define MAP_FIXED 0 758# define MAP_FIXED 0
… …
923 IV iv; 902 IV iv;
924 } *civ, const_iv[] = { 903 } *civ, const_iv[] = {
925# define const_niv(name, value) { # name, (IV) value }, 904# define const_niv(name, value) { # name, (IV) value },
926# define const_iv(name) { # name, (IV) name }, 905# define const_iv(name) { # name, (IV) name },
927# 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)
928 const_iv (EXDEV) 911 const_iv (EXDEV)
929 const_iv (ENOSYS) 912 const_iv (EBADR)
913
930 const_iv (O_RDONLY) 914 const_iv (O_RDONLY)
931 const_iv (O_WRONLY) 915 const_iv (O_WRONLY)
932 const_iv (O_RDWR) 916 const_iv (O_RDWR)
933 const_iv (O_CREAT) 917 const_iv (O_CREAT)
934 const_iv (O_TRUNC) 918 const_iv (O_TRUNC)
… …
1002 const_iv (MAP_LOCKED) 986 const_iv (MAP_LOCKED)
1003 const_iv (MAP_NORESERVE) 987 const_iv (MAP_NORESERVE)
1004 const_iv (MAP_POPULATE) 988 const_iv (MAP_POPULATE)
1005 const_iv (MAP_NONBLOCK) 989 const_iv (MAP_NONBLOCK)
1006 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
1007 const_eio (MCL_FUTURE) 1019 const_eio (MCL_FUTURE)
1008 const_eio (MCL_CURRENT) 1020 const_eio (MCL_CURRENT)
1009 1021
1010 const_eio (MS_ASYNC) 1022 const_eio (MS_ASYNC)
1011 const_eio (MS_INVALIDATE) 1023 const_eio (MS_INVALIDATE)
… …
1016 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1028 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1017 const_eio (SYNC_FILE_RANGE_WRITE) 1029 const_eio (SYNC_FILE_RANGE_WRITE)
1018 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1030 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1019 1031
1020 const_eio (FALLOC_FL_KEEP_SIZE) 1032 const_eio (FALLOC_FL_KEEP_SIZE)
1033 const_eio (FALLOC_FL_PUNCH_HOLE)
1021 1034
1022 const_eio (READDIR_DENTS) 1035 const_eio (READDIR_DENTS)
1023 const_eio (READDIR_DIRS_FIRST) 1036 const_eio (READDIR_DIRS_FIRST)
1024 const_eio (READDIR_STAT_ORDER) 1037 const_eio (READDIR_STAT_ORDER)
1025 const_eio (READDIR_FOUND_UNKNOWN) 1038 const_eio (READDIR_FOUND_UNKNOWN)
… …
1126 aio_fsync = EIO_FSYNC 1139 aio_fsync = EIO_FSYNC
1127 aio_fdatasync = EIO_FDATASYNC 1140 aio_fdatasync = EIO_FDATASYNC
1128 aio_syncfs = EIO_SYNCFS 1141 aio_syncfs = EIO_SYNCFS
1129 PPCODE: 1142 PPCODE:
1130{ 1143{
1131 int fd = s_fileno_croak (fh, 0); 1144 int fd = s_fileno_croak (fh, 0);
1132 dREQ; 1145 dREQ;
1133 1146
1134 req->type = ix; 1147 req->type = ix;
1135 req->sv1 = newSVsv (fh); 1148 req->sv1 = newSVsv (fh);
1136 req->int1 = fd; 1149 req->int1 = fd;
1137 1150
1138 REQ_SEND (req); 1151 REQ_SEND;
1139} 1152}
1140 1153
1141void 1154void
1142aio_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)
1143 PPCODE: 1156 PPCODE:
1144{ 1157{
1145 int fd = s_fileno_croak (fh, 0); 1158 int fd = s_fileno_croak (fh, 0);
1146 dREQ; 1159 dREQ;
1147 1160
1148 req->type = EIO_SYNC_FILE_RANGE; 1161 req->type = EIO_SYNC_FILE_RANGE;
1149 req->sv1 = newSVsv (fh); 1162 req->sv1 = newSVsv (fh);
1150 req->int1 = fd; 1163 req->int1 = fd;
1151 req->offs = offset; 1164 req->offs = offset;
1152 req->size = nbytes; 1165 req->size = nbytes;
1153 req->int2 = flags; 1166 req->int2 = flags;
1154 1167
1155 REQ_SEND (req); 1168 REQ_SEND;
1156} 1169}
1157 1170
1158void 1171void
1159aio_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)
1160 PPCODE: 1173 PPCODE:
1161{ 1174{
1162 int fd = s_fileno_croak (fh, 0); 1175 int fd = s_fileno_croak (fh, 0);
1163 dREQ; 1176 dREQ;
1164 1177
1165 req->type = EIO_FALLOCATE; 1178 req->type = EIO_FALLOCATE;
1166 req->sv1 = newSVsv (fh); 1179 req->sv1 = newSVsv (fh);
1167 req->int1 = fd; 1180 req->int1 = fd;
1168 req->int2 = mode; 1181 req->int2 = mode;
1169 req->offs = offset; 1182 req->offs = offset;
1170 req->size = len; 1183 req->size = len;
1171 1184
1172 REQ_SEND (req); 1185 REQ_SEND;
1173} 1186}
1174 1187
1175void 1188void
1176aio_close (SV *fh, SV *callback=&PL_sv_undef) 1189aio_close (SV *fh, SV *callback=&PL_sv_undef)
1177 PPCODE: 1190 PPCODE:
1178{ 1191{
1179 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 */
1180 int fd = s_fileno_croak (fh, 0); 1193 int fd = s_fileno_croak (fh, 0);
1181 dREQ; 1194 dREQ;
1182 1195
1183 if (expect_false (close_fd < 0)) 1196 if (expect_false (close_fd < 0))
1184 { 1197 {
1185 int pipefd [2]; 1198 int pipefd [2];
… …
1201 req->type = EIO_DUP2; 1214 req->type = EIO_DUP2;
1202 req->int1 = close_fd; 1215 req->int1 = close_fd;
1203 req->sv2 = newSVsv (fh); 1216 req->sv2 = newSVsv (fh);
1204 req->int2 = fd; 1217 req->int2 = fd;
1205 1218
1206 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;
1207} 1236}
1208 1237
1209void 1238void
1210aio_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)
1211 ALIAS: 1240 ALIAS:
… …
1232 } 1261 }
1233 else 1262 else
1234 { 1263 {
1235 /* read: check type and grow scalar as necessary */ 1264 /* read: check type and grow scalar as necessary */
1236 SvUPGRADE (data, SVt_PV); 1265 SvUPGRADE (data, SVt_PV);
1266 if (SvLEN (data) >= SvCUR (data))
1237 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");
1238 } 1270 }
1239 1271
1240 { 1272 {
1241 dREQ; 1273 dREQ;
1242 1274
… …
1276 1308
1277void 1309void
1278aio_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)
1279 PPCODE: 1311 PPCODE:
1280{ 1312{
1281 int ifd = s_fileno_croak (in_fh , 0); 1313 int ifd = s_fileno_croak (in_fh , 0);
1282 int ofd = s_fileno_croak (out_fh, 1); 1314 int ofd = s_fileno_croak (out_fh, 1);
1283 dREQ; 1315 dREQ;
1284 1316
1285 req->type = EIO_SENDFILE; 1317 req->type = EIO_SENDFILE;
1286 req->sv1 = newSVsv (out_fh); 1318 req->sv1 = newSVsv (out_fh);
1287 req->int1 = ofd; 1319 req->int1 = ofd;
… …
1295 1327
1296void 1328void
1297aio_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)
1298 PPCODE: 1330 PPCODE:
1299{ 1331{
1300 int fd = s_fileno_croak (fh, 0); 1332 int fd = s_fileno_croak (fh, 0);
1301 dREQ; 1333 dREQ;
1302 1334
1303 req->type = EIO_READAHEAD; 1335 req->type = EIO_READAHEAD;
1304 req->sv1 = newSVsv (fh); 1336 req->sv1 = newSVsv (fh);
1305 req->int1 = fd; 1337 req->int1 = fd;
… …
1539 1571
1540 req->type = EIO_MLOCKALL; 1572 req->type = EIO_MLOCKALL;
1541 req->int1 = flags; 1573 req->int1 = flags;
1542 1574
1543 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;
1544} 1599}
1545 1600
1546void 1601void
1547aio_busy (double delay, SV *callback=&PL_sv_undef) 1602aio_busy (double delay, SV *callback=&PL_sv_undef)
1548 PPCODE: 1603 PPCODE:
… …
1680 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1735 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1681 OUTPUT: 1736 OUTPUT:
1682 RETVAL 1737 RETVAL
1683 1738
1684void 1739void
1685mmap (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)
1686 PPCODE: 1741 PPCODE:
1687 sv_unmagic (scalar, MMAP_MAGIC); 1742 sv_unmagic (scalar, MMAP_MAGIC);
1688{ 1743{
1689 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;
1690 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1745 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1723 ALIAS: 1778 ALIAS:
1724 mprotect = 1 1779 mprotect = 1
1725 CODE: 1780 CODE:
1726{ 1781{
1727 STRLEN svlen; 1782 STRLEN svlen;
1728 void *addr = SvPVbyte (scalar, svlen); 1783 void *addr = SvPVbyte (scalar, svlen);
1729 size_t len = SvUV (length); 1784 size_t len = SvUV (length);
1730 1785
1731 if (offset < 0) 1786 if (offset < 0)
1732 offset += svlen; 1787 offset += svlen;
1733 1788
… …
1752int 1807int
1753munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1808munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1754 CODE: 1809 CODE:
1755{ 1810{
1756 STRLEN svlen; 1811 STRLEN svlen;
1757 void *addr = SvPVbyte (scalar, svlen); 1812 void *addr = SvPVbyte (scalar, svlen);
1758 size_t len = SvUV (length); 1813 size_t len = SvUV (length);
1759 1814
1760 if (offset < 0) 1815 if (offset < 0)
1761 offset += svlen; 1816 offset += svlen;
1762 1817
… …
1769 addr = (void *)(((intptr_t)addr) + offset); 1824 addr = (void *)(((intptr_t)addr) + offset);
1770 eio_page_align (&addr, &len); 1825 eio_page_align (&addr, &len);
1771#if _POSIX_MEMLOCK_RANGE 1826#if _POSIX_MEMLOCK_RANGE
1772 RETVAL = munlock (addr, len); 1827 RETVAL = munlock (addr, len);
1773#else 1828#else
1774 RETVAL = ((errno = ENOSYS), -1); 1829 RETVAL = EIO_ENOSYS ();
1775#endif 1830#endif
1776} 1831}
1777 OUTPUT: 1832 OUTPUT:
1778 RETVAL 1833 RETVAL
1779 1834
… …
1781munlockall () 1836munlockall ()
1782 CODE: 1837 CODE:
1783#if _POSIX_MEMLOCK 1838#if _POSIX_MEMLOCK
1784 munlockall (); 1839 munlockall ();
1785#else 1840#else
1786 RETVAL = -1; 1841 RETVAL = EIO_ENOSYS ();
1787 errno = ENOSYS;
1788#endif 1842#endif
1789 OUTPUT: 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:
1790 RETVAL 1873 RETVAL
1791 1874
1792void _on_next_submit (SV *cb) 1875void _on_next_submit (SV *cb)
1793 CODE: 1876 CODE:
1794 SvREFCNT_dec (on_next_submit); 1877 SvREFCNT_dec (on_next_submit);

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