… | |
… | |
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 |
27 | # include <linux/types.h> |
31 | # include <linux/types.h> |
28 | # include <linux/fiemap.h> |
32 | # include <linux/fiemap.h> |
29 | # define HAVE_FIEMAP 1 |
33 | # define HAVE_FIEMAP 1 |
… | |
… | |
153 | #endif |
157 | #endif |
154 | #ifndef minor |
158 | #ifndef minor |
155 | # define minor(dev) ((dev) & 0xff) |
159 | # define minor(dev) ((dev) & 0xff) |
156 | #endif |
160 | #endif |
157 | |
161 | |
158 | #ifndef PAGESIZE |
162 | #if PAGESIZE <= 0 |
159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
163 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
160 | #endif |
164 | #endif |
161 | |
165 | |
162 | /*****************************************************************************/ |
166 | /*****************************************************************************/ |
163 | |
167 | |
… | |
… | |
165 | fiemap (eio_req *req) |
169 | fiemap (eio_req *req) |
166 | { |
170 | { |
167 | req->result = -1; |
171 | req->result = -1; |
168 | |
172 | |
169 | #if HAVE_FIEMAP |
173 | #if HAVE_FIEMAP |
|
|
174 | /* assume some c99 */ |
|
|
175 | struct fiemap *fiemap = 0; |
|
|
176 | size_t end_offset; |
170 | int count = req->int3; |
177 | int count = req->int3; |
171 | |
178 | |
172 | /* heuristic: first try with 64 extents if we don't know how many, */ |
179 | req->flags |= EIO_FLAG_PTR1_FREE; |
173 | /* as most files have (hopefully) fewer than this many extents */ |
180 | |
174 | /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */ |
181 | /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
|
|
182 | /* increase in 3.5kb steps */ |
175 | if (count < 0) |
183 | if (count < 0) |
176 | count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ |
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); |
177 | |
214 | |
178 | for (;;) |
215 | for (;;) |
179 | { |
216 | { |
|
|
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; |
|
|
220 | |
|
|
221 | incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
|
|
222 | + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
|
|
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); |
|
|
226 | |
|
|
227 | if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
|
|
228 | return; |
|
|
229 | |
|
|
230 | if (!incmap->fm_mapped_extents) |
|
|
231 | goto done; |
|
|
232 | |
|
|
233 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
180 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
234 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
181 | errno = ENOMEM; |
235 | errno = ENOMEM; |
182 | if (!fiemap) |
236 | if (!fiemap) |
183 | return; |
237 | return; |
184 | |
238 | |
185 | req->ptr1 = fiemap; |
239 | req->ptr1 = fiemap; |
186 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
187 | |
240 | |
188 | fiemap->fm_start = req->offs; |
241 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
189 | fiemap->fm_length = req->size; |
242 | { |
190 | fiemap->fm_flags = req->int2; |
243 | struct fiemap_extent *e = incmap->fm_extents + count; |
191 | fiemap->fm_extent_count = count; |
|
|
192 | |
244 | |
193 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
245 | if (e->fe_logical + e->fe_length >= end_offset) |
194 | return; |
246 | goto done; |
195 | |
247 | |
196 | if (req->int3 >= 0) |
248 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
197 | break; /* when not autosizing we are done */ |
|
|
198 | |
249 | |
199 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
250 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
200 | break; /* autosizing successful, we are done */ |
251 | goto done; |
201 | |
252 | |
202 | fiemap->fm_flags = req->int2; |
253 | } |
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 | } |
254 | } |
212 | |
255 | |
|
|
256 | done: |
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 | |
… | |
… | |
1094 | aio_fsync = EIO_FSYNC |
1143 | aio_fsync = EIO_FSYNC |
1095 | aio_fdatasync = EIO_FDATASYNC |
1144 | aio_fdatasync = EIO_FDATASYNC |
1096 | aio_syncfs = EIO_SYNCFS |
1145 | aio_syncfs = EIO_SYNCFS |
1097 | PPCODE: |
1146 | PPCODE: |
1098 | { |
1147 | { |
1099 | int fd = s_fileno_croak (fh, 0); |
1148 | int fd = s_fileno_croak (fh, 0); |
1100 | dREQ; |
1149 | dREQ; |
1101 | |
1150 | |
1102 | req->type = ix; |
1151 | req->type = ix; |
1103 | req->sv1 = newSVsv (fh); |
1152 | req->sv1 = newSVsv (fh); |
1104 | req->int1 = fd; |
1153 | req->int1 = fd; |
… | |
… | |
1108 | |
1157 | |
1109 | void |
1158 | void |
1110 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1159 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1111 | PPCODE: |
1160 | PPCODE: |
1112 | { |
1161 | { |
1113 | int fd = s_fileno_croak (fh, 0); |
1162 | int fd = s_fileno_croak (fh, 0); |
1114 | dREQ; |
1163 | dREQ; |
1115 | |
1164 | |
1116 | req->type = EIO_SYNC_FILE_RANGE; |
1165 | req->type = EIO_SYNC_FILE_RANGE; |
1117 | req->sv1 = newSVsv (fh); |
1166 | req->sv1 = newSVsv (fh); |
1118 | req->int1 = fd; |
1167 | req->int1 = fd; |
… | |
… | |
1122 | |
1171 | |
1123 | REQ_SEND; |
1172 | REQ_SEND; |
1124 | } |
1173 | } |
1125 | |
1174 | |
1126 | void |
1175 | void |
1127 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1176 | aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1128 | PPCODE: |
1177 | PPCODE: |
1129 | { |
1178 | { |
1130 | int fd = s_fileno_croak (fh, 0); |
1179 | int fd = s_fileno_croak (fh, 0); |
1131 | dREQ; |
1180 | dREQ; |
1132 | |
1181 | |
1133 | req->type = EIO_FALLOCATE; |
1182 | req->type = EIO_FALLOCATE; |
1134 | req->sv1 = newSVsv (fh); |
1183 | req->sv1 = newSVsv (fh); |
1135 | req->int1 = fd; |
1184 | req->int1 = fd; |
… | |
… | |
1143 | void |
1192 | void |
1144 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1193 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1145 | PPCODE: |
1194 | PPCODE: |
1146 | { |
1195 | { |
1147 | 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 */ |
1148 | int fd = s_fileno_croak (fh, 0); |
1197 | int fd = s_fileno_croak (fh, 0); |
1149 | dREQ; |
1198 | dREQ; |
1150 | |
1199 | |
1151 | if (expect_false (close_fd < 0)) |
1200 | if (expect_false (close_fd < 0)) |
1152 | { |
1201 | { |
1153 | int pipefd [2]; |
1202 | int pipefd [2]; |
… | |
… | |
1263 | |
1312 | |
1264 | void |
1313 | void |
1265 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1314 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1266 | PPCODE: |
1315 | PPCODE: |
1267 | { |
1316 | { |
1268 | int ifd = s_fileno_croak (in_fh , 0); |
1317 | int ifd = s_fileno_croak (in_fh , 0); |
1269 | int ofd = s_fileno_croak (out_fh, 1); |
1318 | int ofd = s_fileno_croak (out_fh, 1); |
1270 | dREQ; |
1319 | dREQ; |
1271 | |
1320 | |
1272 | req->type = EIO_SENDFILE; |
1321 | req->type = EIO_SENDFILE; |
1273 | req->sv1 = newSVsv (out_fh); |
1322 | req->sv1 = newSVsv (out_fh); |
1274 | req->int1 = ofd; |
1323 | req->int1 = ofd; |
… | |
… | |
1282 | |
1331 | |
1283 | void |
1332 | void |
1284 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1333 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1285 | PPCODE: |
1334 | PPCODE: |
1286 | { |
1335 | { |
1287 | int fd = s_fileno_croak (fh, 0); |
1336 | int fd = s_fileno_croak (fh, 0); |
1288 | dREQ; |
1337 | dREQ; |
1289 | |
1338 | |
1290 | req->type = EIO_READAHEAD; |
1339 | req->type = EIO_READAHEAD; |
1291 | req->sv1 = newSVsv (fh); |
1340 | req->sv1 = newSVsv (fh); |
1292 | req->int1 = fd; |
1341 | req->int1 = fd; |
… | |
… | |
1571 | { |
1620 | { |
1572 | dREQ; |
1621 | dREQ; |
1573 | |
1622 | |
1574 | req->type = EIO_GROUP; |
1623 | req->type = EIO_GROUP; |
1575 | |
1624 | |
|
|
1625 | PUTBACK; |
1576 | req_submit (req); |
1626 | req_submit (req); |
|
|
1627 | SPAGAIN; |
|
|
1628 | |
1577 | XPUSHs (req_sv (req, aio_grp_stash)); |
1629 | XPUSHs (req_sv (req, aio_grp_stash)); |
1578 | } |
1630 | } |
1579 | |
1631 | |
1580 | void |
1632 | void |
1581 | aio_nop (SV *callback=&PL_sv_undef) |
1633 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
… | |
1762 | int |
1814 | int |
1763 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1815 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1764 | CODE: |
1816 | CODE: |
1765 | { |
1817 | { |
1766 | STRLEN svlen; |
1818 | STRLEN svlen; |
1767 | void *addr = SvPVbyte (scalar, svlen); |
1819 | void *addr = SvPVbyte (scalar, svlen); |
1768 | size_t len = SvUV (length); |
1820 | size_t len = SvUV (length); |
1769 | |
1821 | |
1770 | if (offset < 0) |
1822 | if (offset < 0) |
1771 | offset += svlen; |
1823 | offset += svlen; |
1772 | |
1824 | |
… | |
… | |
1823 | RETVAL = tee (rfh, wfh, length, flags); |
1875 | RETVAL = tee (rfh, wfh, length, flags); |
1824 | #else |
1876 | #else |
1825 | RETVAL = EIO_ENOSYS (); |
1877 | RETVAL = EIO_ENOSYS (); |
1826 | #endif |
1878 | #endif |
1827 | OUTPUT: |
1879 | OUTPUT: |
|
|
1880 | RETVAL |
|
|
1881 | |
|
|
1882 | int |
|
|
1883 | pipesize (aio_rfd rfh, int new_size = -1) |
|
|
1884 | PROTOTYPE: $;$ |
|
|
1885 | CODE: |
|
|
1886 | #if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
|
|
1887 | if (new_size >= 0) |
|
|
1888 | RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
|
|
1889 | else |
|
|
1890 | RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
|
|
1891 | #else |
|
|
1892 | errno = ENOSYS; |
|
|
1893 | RETVAL = -1; |
|
|
1894 | #endif |
|
|
1895 | OUTPUT: |
1828 | RETVAL |
1896 | RETVAL |
1829 | |
1897 | |
1830 | void _on_next_submit (SV *cb) |
1898 | void _on_next_submit (SV *cb) |
1831 | CODE: |
1899 | CODE: |
1832 | SvREFCNT_dec (on_next_submit); |
1900 | SvREFCNT_dec (on_next_submit); |