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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.210 by root, Fri Apr 6 11:39:25 2012 UTC vs.
Revision 1.230 by root, Tue Jun 3 01:30:33 2014 UTC

… …
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 22#endif
23 23
24#if __linux__ 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25# include <linux/fs.h> 29# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP 30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
27# include <linux/fiemap.h> 32# include <linux/fiemap.h>
28# define HAVE_FIEMAP 1 33# define HAVE_FIEMAP 1
29# endif 34# endif
30#endif 35#endif
31 36
… …
152#endif 157#endif
153#ifndef minor 158#ifndef minor
154# define minor(dev) ((dev) & 0xff) 159# define minor(dev) ((dev) & 0xff)
155#endif 160#endif
156 161
157#ifndef PAGESIZE 162#if PAGESIZE <= 0
158# define PAGESIZE sysconf (_SC_PAGESIZE) 163# define PAGESIZE sysconf (_SC_PAGESIZE)
159#endif 164#endif
160 165
161/*****************************************************************************/ 166/*****************************************************************************/
162 167
… …
164fiemap (eio_req *req) 169fiemap (eio_req *req)
165{ 170{
166 req->result = -1; 171 req->result = -1;
167 172
168#if HAVE_FIEMAP 173#if HAVE_FIEMAP
174 /* assume some c99 */
175 struct fiemap *fiemap = 0;
176 size_t end_offset;
177 int count = req->int3;
178
179 req->flags |= EIO_FLAG_PTR1_FREE;
180
181 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
182 /* increase in 3.5kb steps */
183 if (count < 0)
184 count = 8;
185
186 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
187 errno = ENOMEM;
188 if (!fiemap)
189 return;
190
191 req->ptr1 = fiemap;
192
193 fiemap->fm_start = req->offs;
194 fiemap->fm_length = req->size;
195 fiemap->fm_flags = req->int2;
196 fiemap->fm_extent_count = count;
197
198 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
199 return;
200
201 if (req->int3 >= 0 /* not autosizing */
202 || !fiemap->fm_mapped_extents /* no more extents */
203 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
204 goto done;
205
206 /* else we have to loop -
207 * it would be tempting (actually I tried that first) to just query the
208 * number of extents needed, but linux often feels like not returning all
209 * extents, without telling us it left any out. this complicates
210 * this quite a bit.
211 */
212
213 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
214
169 for (;;) 215 for (;;)
170 { 216 {
171 int count = req->int3; 217 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
218 char scratch[3072];
219 struct fiemap *incmap = (struct fiemap *)scratch;
172 220
173 if (count < 0) 221 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
174 { 222 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
175 struct fiemap fiemap; 223 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
224 incmap->fm_flags = fiemap->fm_flags;
225 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
176 226
177 fiemap.fm_start = req->offs;
178 fiemap.fm_length = req->size;
179 fiemap.fm_flags = req->int2;
180 fiemap.fm_extent_count = 0;
181
182 if (ioctl (req->int1, FS_IOC_FIEMAP, &fiemap)) 227 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
183 return; 228 return;
184 229
185 count = fiemap.fm_mapped_extents; 230 if (!incmap->fm_mapped_extents)
186 } 231 goto done;
187 232
233 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
188 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 234 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
189 errno = ENOMEM; 235 errno = ENOMEM;
190 if (!fiemap) 236 if (!fiemap)
191 return; 237 return;
192 238
193 req->ptr1 = fiemap; 239 req->ptr1 = fiemap;
194 req->flags |= EIO_FLAG_PTR1_FREE;
195 240
196 fiemap->fm_start = req->offs; 241 for (count = 0; count < incmap->fm_mapped_extents; ++count)
197 fiemap->fm_length = req->size; 242 {
198 fiemap->fm_flags = req->int2; 243 struct fiemap_extent *e = incmap->fm_extents + count;
199 fiemap->fm_extent_count = count;
200 244
201 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 245 if (e->fe_logical + e->fe_length >= end_offset)
202 return; 246 goto done;
203 247
204 if (req->int3 >= 0) 248 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
205 break; /* when not autosizing we are done */
206 249
207 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 250 if (e->fe_flags & FIEMAP_EXTENT_LAST)
208 break; /* autosizing successful, we are done */ 251 goto done;
209 252
210 free (fiemap); 253 }
211 } 254 }
212 255
256done:
213 req->result = 0; 257 req->result = 0;
214 258
215#else 259#else
216 errno = ENOSYS; 260 errno = ENOSYS;
217#endif 261#endif
… …
470#ifndef _WIN32 514#ifndef _WIN32
471 if (req->result >= 0) 515 if (req->result >= 0)
472 { 516 {
473 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 517 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474 HV *hv = newHV (); 518 HV *hv = newHV ();
519 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
520 * chooses to make it a struct.
521 */
522 unsigned long fsid = 0;
523 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
475 524
476 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 525 rv = sv_2mortal (newRV_noinc ((SV *)hv));
477 526
478 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 527 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
479 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 528 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
481 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 530 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
482 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 531 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
483 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 532 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
484 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 533 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
485 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 534 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
486 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 535 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 536 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
488 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 537 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
489 } 538 }
490#endif 539#endif
491 540
… …
545 break; 594 break;
546 595
547 case EIO_CUSTOM: 596 case EIO_CUSTOM:
548 if (req->feed == fiemap) 597 if (req->feed == fiemap)
549 { 598 {
599#if HAVE_FIEMAP
550 if (!req->result) 600 if (!req->result)
551 { 601 {
552 struct fiemap *fiemap = (struct fiemap *)req->ptr1; 602 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
553 603
554 if (fiemap->fm_extent_count) 604 if (fiemap->fm_extent_count)
… …
575 { 625 {
576 SvIV_set (sv_result, fiemap->fm_mapped_extents); 626 SvIV_set (sv_result, fiemap->fm_mapped_extents);
577 PUSHs (sv_result); 627 PUSHs (sv_result);
578 } 628 }
579 } 629 }
630#endif
580 } 631 }
581 else 632 else
582 PUSHs (sv_result); 633 PUSHs (sv_result);
583 break; 634 break;
584 635
… …
696} 747}
697 748
698/*****************************************************************************/ 749/*****************************************************************************/
699 750
700#if !_POSIX_MAPPED_FILES 751#if !_POSIX_MAPPED_FILES
701# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 752# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
702# define munmap(addr,length) (errno = ENOSYS, -1) 753# define munmap(addr,length) EIO_ENOSYS ()
703#endif 754#endif
704 755
705#if !_POSIX_MEMORY_PROTECTION 756#if !_POSIX_MEMORY_PROTECTION
706# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 757# define mprotect(addr,len,prot) EIO_ENOSYS ()
707# define PROT_NONE 0 758# define PROT_NONE 0
708# define PROT_WRITE 0 759# define PROT_WRITE 0
709# define MAP_PRIVATE 0 760# define MAP_PRIVATE 0
710# define MAP_SHARED 0 761# define MAP_SHARED 0
711# define MAP_FIXED 0 762# define MAP_FIXED 0
… …
954 const_iv (FIEMAP_EXTENT_DATA_TAIL) 1005 const_iv (FIEMAP_EXTENT_DATA_TAIL)
955 const_iv (FIEMAP_EXTENT_UNWRITTEN) 1006 const_iv (FIEMAP_EXTENT_UNWRITTEN)
956 const_iv (FIEMAP_EXTENT_MERGED) 1007 const_iv (FIEMAP_EXTENT_MERGED)
957 const_iv (FIEMAP_EXTENT_SHARED) 1008 const_iv (FIEMAP_EXTENT_SHARED)
958 1009
1010 const_iv (SPLICE_F_MOVE)
1011 const_iv (SPLICE_F_NONBLOCK)
1012 const_iv (SPLICE_F_MORE)
1013 const_iv (SPLICE_F_GIFT)
1014
1015 const_iv (SEEK_DATA)
1016 const_iv (SEEK_HOLE)
1017
1018 /* libeio constants */
959 const_eio (SEEK_SET) 1019 const_eio (SEEK_SET)
960 const_eio (SEEK_CUR) 1020 const_eio (SEEK_CUR)
961 const_eio (SEEK_END) 1021 const_eio (SEEK_END)
962 1022
963 const_eio (MCL_FUTURE) 1023 const_eio (MCL_FUTURE)
… …
972 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1032 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
973 const_eio (SYNC_FILE_RANGE_WRITE) 1033 const_eio (SYNC_FILE_RANGE_WRITE)
974 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1034 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
975 1035
976 const_eio (FALLOC_FL_KEEP_SIZE) 1036 const_eio (FALLOC_FL_KEEP_SIZE)
1037 const_eio (FALLOC_FL_PUNCH_HOLE)
977 1038
978 const_eio (READDIR_DENTS) 1039 const_eio (READDIR_DENTS)
979 const_eio (READDIR_DIRS_FIRST) 1040 const_eio (READDIR_DIRS_FIRST)
980 const_eio (READDIR_STAT_ORDER) 1041 const_eio (READDIR_STAT_ORDER)
981 const_eio (READDIR_FOUND_UNKNOWN) 1042 const_eio (READDIR_FOUND_UNKNOWN)
… …
1082 aio_fsync = EIO_FSYNC 1143 aio_fsync = EIO_FSYNC
1083 aio_fdatasync = EIO_FDATASYNC 1144 aio_fdatasync = EIO_FDATASYNC
1084 aio_syncfs = EIO_SYNCFS 1145 aio_syncfs = EIO_SYNCFS
1085 PPCODE: 1146 PPCODE:
1086{ 1147{
1087 int fd = s_fileno_croak (fh, 0); 1148 int fd = s_fileno_croak (fh, 0);
1088 dREQ; 1149 dREQ;
1089 1150
1090 req->type = ix; 1151 req->type = ix;
1091 req->sv1 = newSVsv (fh); 1152 req->sv1 = newSVsv (fh);
1092 req->int1 = fd; 1153 req->int1 = fd;
… …
1096 1157
1097void 1158void
1098aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1159aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
1099 PPCODE: 1160 PPCODE:
1100{ 1161{
1101 int fd = s_fileno_croak (fh, 0); 1162 int fd = s_fileno_croak (fh, 0);
1102 dREQ; 1163 dREQ;
1103 1164
1104 req->type = EIO_SYNC_FILE_RANGE; 1165 req->type = EIO_SYNC_FILE_RANGE;
1105 req->sv1 = newSVsv (fh); 1166 req->sv1 = newSVsv (fh);
1106 req->int1 = fd; 1167 req->int1 = fd;
… …
1110 1171
1111 REQ_SEND; 1172 REQ_SEND;
1112} 1173}
1113 1174
1114void 1175void
1115aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1176aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef)
1116 PPCODE: 1177 PPCODE:
1117{ 1178{
1118 int fd = s_fileno_croak (fh, 0); 1179 int fd = s_fileno_croak (fh, 0);
1119 dREQ; 1180 dREQ;
1120 1181
1121 req->type = EIO_FALLOCATE; 1182 req->type = EIO_FALLOCATE;
1122 req->sv1 = newSVsv (fh); 1183 req->sv1 = newSVsv (fh);
1123 req->int1 = fd; 1184 req->int1 = fd;
… …
1131void 1192void
1132aio_close (SV *fh, SV *callback=&PL_sv_undef) 1193aio_close (SV *fh, SV *callback=&PL_sv_undef)
1133 PPCODE: 1194 PPCODE:
1134{ 1195{
1135 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1196 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1136 int fd = s_fileno_croak (fh, 0); 1197 int fd = s_fileno_croak (fh, 0);
1137 dREQ; 1198 dREQ;
1138 1199
1139 if (expect_false (close_fd < 0)) 1200 if (expect_false (close_fd < 0))
1140 { 1201 {
1141 int pipefd [2]; 1202 int pipefd [2];
… …
1164 1225
1165void 1226void
1166aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1227aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef)
1167 PPCODE: 1228 PPCODE:
1168{ 1229{
1169 STRLEN svlen;
1170 int fd = s_fileno_croak (fh, 0); 1230 int fd = s_fileno_croak (fh, 0);
1171 dREQ; 1231 dREQ;
1172 1232
1173 req->type = EIO_SEEK; 1233 req->type = EIO_SEEK;
1174 req->sv1 = newSVsv (fh); 1234 req->sv1 = newSVsv (fh);
… …
1204 len = svlen - dataoffset; 1264 len = svlen - dataoffset;
1205 } 1265 }
1206 else 1266 else
1207 { 1267 {
1208 /* read: check type and grow scalar as necessary */ 1268 /* read: check type and grow scalar as necessary */
1209 SvUPGRADE (data, SVt_PV); 1269 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1210 svptr = SvGROW (data, len + dataoffset + 1); 1270 svptr = sv_grow (data, len + dataoffset + 1);
1271 else if (SvCUR (data) < len + dataoffset)
1272 croak ("length + dataoffset outside of scalar, and cannot grow");
1211 } 1273 }
1212 1274
1213 { 1275 {
1214 dREQ; 1276 dREQ;
1215 1277
… …
1249 1311
1250void 1312void
1251aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1313aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
1252 PPCODE: 1314 PPCODE:
1253{ 1315{
1254 int ifd = s_fileno_croak (in_fh , 0); 1316 int ifd = s_fileno_croak (in_fh , 0);
1255 int ofd = s_fileno_croak (out_fh, 1); 1317 int ofd = s_fileno_croak (out_fh, 1);
1256 dREQ; 1318 dREQ;
1257 1319
1258 req->type = EIO_SENDFILE; 1320 req->type = EIO_SENDFILE;
1259 req->sv1 = newSVsv (out_fh); 1321 req->sv1 = newSVsv (out_fh);
1260 req->int1 = ofd; 1322 req->int1 = ofd;
… …
1268 1330
1269void 1331void
1270aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1332aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1271 PPCODE: 1333 PPCODE:
1272{ 1334{
1273 int fd = s_fileno_croak (fh, 0); 1335 int fd = s_fileno_croak (fh, 0);
1274 dREQ; 1336 dREQ;
1275 1337
1276 req->type = EIO_READAHEAD; 1338 req->type = EIO_READAHEAD;
1277 req->sv1 = newSVsv (fh); 1339 req->sv1 = newSVsv (fh);
1278 req->int1 = fd; 1340 req->int1 = fd;
… …
1518 1580
1519void 1581void
1520aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1582aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef)
1521 PPCODE: 1583 PPCODE:
1522{ 1584{
1523 int fd = s_fileno_croak (fh, 0); 1585 int fd = s_fileno_croak (fh, 0);
1524 dREQ; 1586 dREQ;
1525 1587
1526 req->type = EIO_CUSTOM; 1588 req->type = EIO_CUSTOM;
1527 req->sv1 = newSVsv (fh); 1589 req->sv1 = newSVsv (fh);
1528 req->int1 = fd; 1590 req->int1 = fd;
1529 1591
1530 req->feed = fiemap; 1592 req->feed = fiemap;
1593#if HAVE_FIEMAP
1531 /* keep our fingers crossed that the next two types are 64 bit */ 1594 /* keep our fingers crossed that the next two types are 64 bit */
1532 req->offs = start; 1595 req->offs = start;
1533 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; 1596 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1534 req->int2 = flags; 1597 req->int2 = flags;
1535 req->int3 = SvOK (count) ? SvIV (count) : -1; 1598 req->int3 = SvOK (count) ? SvIV (count) : -1;
1599#endif
1536 1600
1537 REQ_SEND; 1601 REQ_SEND;
1538} 1602}
1539 1603
1540void 1604void
… …
1555{ 1619{
1556 dREQ; 1620 dREQ;
1557 1621
1558 req->type = EIO_GROUP; 1622 req->type = EIO_GROUP;
1559 1623
1624 PUTBACK;
1560 req_submit (req); 1625 req_submit (req);
1626 SPAGAIN;
1627
1561 XPUSHs (req_sv (req, aio_grp_stash)); 1628 XPUSHs (req_sv (req, aio_grp_stash));
1562} 1629}
1563 1630
1564void 1631void
1565aio_nop (SV *callback=&PL_sv_undef) 1632aio_nop (SV *callback=&PL_sv_undef)
… …
1674 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1741 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1675 OUTPUT: 1742 OUTPUT:
1676 RETVAL 1743 RETVAL
1677 1744
1678void 1745void
1679mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1746mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1680 PPCODE: 1747 PPCODE:
1681 sv_unmagic (scalar, MMAP_MAGIC); 1748 sv_unmagic (scalar, MMAP_MAGIC);
1682{ 1749{
1683 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1750 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1684 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1751 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1717 ALIAS: 1784 ALIAS:
1718 mprotect = 1 1785 mprotect = 1
1719 CODE: 1786 CODE:
1720{ 1787{
1721 STRLEN svlen; 1788 STRLEN svlen;
1722 void *addr = SvPVbyte (scalar, svlen); 1789 void *addr = SvPVbyte (scalar, svlen);
1723 size_t len = SvUV (length); 1790 size_t len = SvUV (length);
1724 1791
1725 if (offset < 0) 1792 if (offset < 0)
1726 offset += svlen; 1793 offset += svlen;
1727 1794
… …
1746int 1813int
1747munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 1814munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1748 CODE: 1815 CODE:
1749{ 1816{
1750 STRLEN svlen; 1817 STRLEN svlen;
1751 void *addr = SvPVbyte (scalar, svlen); 1818 void *addr = SvPVbyte (scalar, svlen);
1752 size_t len = SvUV (length); 1819 size_t len = SvUV (length);
1753 1820
1754 if (offset < 0) 1821 if (offset < 0)
1755 offset += svlen; 1822 offset += svlen;
1756 1823
… …
1763 addr = (void *)(((intptr_t)addr) + offset); 1830 addr = (void *)(((intptr_t)addr) + offset);
1764 eio_page_align (&addr, &len); 1831 eio_page_align (&addr, &len);
1765#if _POSIX_MEMLOCK_RANGE 1832#if _POSIX_MEMLOCK_RANGE
1766 RETVAL = munlock (addr, len); 1833 RETVAL = munlock (addr, len);
1767#else 1834#else
1768 RETVAL = ((errno = ENOSYS), -1); 1835 RETVAL = EIO_ENOSYS ();
1769#endif 1836#endif
1770} 1837}
1771 OUTPUT: 1838 OUTPUT:
1772 RETVAL 1839 RETVAL
1773 1840
… …
1775munlockall () 1842munlockall ()
1776 CODE: 1843 CODE:
1777#if _POSIX_MEMLOCK 1844#if _POSIX_MEMLOCK
1778 munlockall (); 1845 munlockall ();
1779#else 1846#else
1847 RETVAL = EIO_ENOSYS ();
1848#endif
1849 OUTPUT:
1850 RETVAL
1851
1852int
1853splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1854 CODE:
1855{
1856#if HAVE_LINUX_SPLICE
1857 loff_t off_in_, off_out_;
1858 RETVAL = splice (
1859 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
1860 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
1861 length, flags
1862 );
1863#else
1864 RETVAL = EIO_ENOSYS ();
1865#endif
1866}
1867 OUTPUT:
1868 RETVAL
1869
1870int
1871tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1872 CODE:
1873#if HAVE_LINUX_SPLICE
1874 RETVAL = tee (rfh, wfh, length, flags);
1875#else
1876 RETVAL = EIO_ENOSYS ();
1877#endif
1878 OUTPUT:
1879 RETVAL
1880
1881int
1882pipesize (aio_rfd rfh, int new_size = -1)
1883 PROTOTYPE: $;$
1884 CODE:
1885#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
1886 if (new_size >= 0)
1887 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
1888 else
1889 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
1890#else
1891 errno = ENOSYS;
1780 RETVAL = -1; 1892 RETVAL = -1;
1781 errno = ENOSYS;
1782#endif 1893#endif
1783 OUTPUT: 1894 OUTPUT:
1784 RETVAL 1895 RETVAL
1785 1896
1786void _on_next_submit (SV *cb) 1897void _on_next_submit (SV *cb)

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