… | |
… | |
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 | |
… | |
… | |
77 | |
85 | |
78 | #define EIO_STRUCT_STAT Stat_t |
86 | #define EIO_STRUCT_STAT Stat_t |
79 | |
87 | |
80 | #endif |
88 | #endif |
81 | |
89 | |
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 | /*****************************************************************************/ |
90 | /*****************************************************************************/ |
94 | |
91 | |
95 | #if __GNUC__ >= 3 |
92 | #if __GNUC__ >= 3 |
96 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
93 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
97 | #else |
94 | #else |
… | |
… | |
126 | static void req_destroy (eio_req *grp); |
123 | static void req_destroy (eio_req *grp); |
127 | #define EIO_DESTROY(req) req_destroy (req) |
124 | #define EIO_DESTROY(req) req_destroy (req) |
128 | |
125 | |
129 | #include "libeio/eio.c" |
126 | #include "libeio/eio.c" |
130 | |
127 | |
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 |
128 | #if !HAVE_POSIX_FADVISE |
197 | # 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 */ |
198 | #endif |
130 | #endif |
199 | |
131 | |
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 |
132 | #if !HAVE_POSIX_MADVISE |
217 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
133 | # 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 |
134 | #endif |
294 | |
135 | |
295 | #ifndef MAP_ANONYMOUS |
136 | #ifndef MAP_ANONYMOUS |
296 | # ifdef MAP_ANON |
137 | # ifdef MAP_ANON |
297 | # define MAP_ANONYMOUS MAP_ANON |
138 | # define MAP_ANONYMOUS MAP_ANON |
298 | # else |
139 | # else |
299 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
140 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
300 | # endif |
141 | # endif |
301 | #endif |
142 | #endif |
302 | #ifndef MAP_HUGETLB |
143 | |
303 | # define MAP_HUGETLB 0 |
144 | /* defines all sorts of constants to 0 unless they are already defined */ |
304 | #endif |
145 | #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 | |
146 | |
318 | #ifndef makedev |
147 | #ifndef makedev |
319 | # define makedev(maj,min) (((maj) << 8) | (min)) |
148 | # define makedev(maj,min) (((maj) << 8) | (min)) |
320 | #endif |
149 | #endif |
321 | #ifndef major |
150 | #ifndef major |
… | |
… | |
326 | #endif |
155 | #endif |
327 | |
156 | |
328 | #ifndef PAGESIZE |
157 | #ifndef PAGESIZE |
329 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
158 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
330 | #endif |
159 | #endif |
|
|
160 | |
|
|
161 | /*****************************************************************************/ |
|
|
162 | |
|
|
163 | static void |
|
|
164 | fiemap (eio_req *req) |
|
|
165 | { |
|
|
166 | req->result = -1; |
|
|
167 | |
|
|
168 | #if HAVE_FIEMAP |
|
|
169 | for (;;) |
|
|
170 | { |
|
|
171 | int count = req->int3; |
|
|
172 | |
|
|
173 | if (count < 0) |
|
|
174 | { |
|
|
175 | struct fiemap fiemap; |
|
|
176 | |
|
|
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)) |
|
|
183 | return; |
|
|
184 | |
|
|
185 | count = fiemap.fm_mapped_extents; |
|
|
186 | } |
|
|
187 | |
|
|
188 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
189 | errno = ENOMEM; |
|
|
190 | if (!fiemap) |
|
|
191 | return; |
|
|
192 | |
|
|
193 | req->ptr1 = fiemap; |
|
|
194 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
195 | |
|
|
196 | fiemap->fm_start = req->offs; |
|
|
197 | fiemap->fm_length = req->size; |
|
|
198 | fiemap->fm_flags = req->int2; |
|
|
199 | fiemap->fm_extent_count = count; |
|
|
200 | |
|
|
201 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
|
|
202 | return; |
|
|
203 | |
|
|
204 | if (req->int3 >= 0) |
|
|
205 | break; /* when not autosizing we are done */ |
|
|
206 | |
|
|
207 | if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) |
|
|
208 | break; /* autosizing successful, we are done */ |
|
|
209 | |
|
|
210 | free (fiemap); |
|
|
211 | } |
|
|
212 | |
|
|
213 | req->result = 0; |
|
|
214 | |
|
|
215 | #else |
|
|
216 | errno = ENOSYS; |
|
|
217 | #endif |
|
|
218 | } |
|
|
219 | |
|
|
220 | /*****************************************************************************/ |
331 | |
221 | |
332 | enum { |
222 | enum { |
333 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
223 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
334 | }; |
224 | }; |
335 | |
225 | |
… | |
… | |
650 | *SvEND (req->sv2) = 0; |
540 | *SvEND (req->sv2) = 0; |
651 | SvPOK_only (req->sv2); |
541 | SvPOK_only (req->sv2); |
652 | SvSETMAGIC (req->sv2); |
542 | SvSETMAGIC (req->sv2); |
653 | PUSHs (sv_result); |
543 | PUSHs (sv_result); |
654 | } |
544 | } |
|
|
545 | break; |
|
|
546 | |
|
|
547 | case EIO_CUSTOM: |
|
|
548 | if (req->feed == fiemap) |
|
|
549 | { |
|
|
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 | } |
|
|
581 | else |
|
|
582 | PUSHs (sv_result); |
655 | break; |
583 | break; |
656 | |
584 | |
657 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
585 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
658 | if (req->result > 0) |
586 | if (req->result > 0) |
659 | SvIV_set (sv_result, 0); |
587 | SvIV_set (sv_result, 0); |
… | |
… | |
927 | IV iv; |
855 | IV iv; |
928 | } *civ, const_iv[] = { |
856 | } *civ, const_iv[] = { |
929 | # define const_niv(name, value) { # name, (IV) value }, |
857 | # define const_niv(name, value) { # name, (IV) value }, |
930 | # define const_iv(name) { # name, (IV) name }, |
858 | # define const_iv(name) { # name, (IV) name }, |
931 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
859 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
860 | |
|
|
861 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
862 | |
|
|
863 | const_iv (ENOSYS) |
932 | const_iv (EXDEV) |
864 | const_iv (EXDEV) |
933 | const_iv (ENOSYS) |
865 | const_iv (EBADR) |
|
|
866 | |
934 | const_iv (O_RDONLY) |
867 | const_iv (O_RDONLY) |
935 | const_iv (O_WRONLY) |
868 | const_iv (O_WRONLY) |
936 | const_iv (O_RDWR) |
869 | const_iv (O_RDWR) |
937 | const_iv (O_CREAT) |
870 | const_iv (O_CREAT) |
938 | const_iv (O_TRUNC) |
871 | const_iv (O_TRUNC) |
… | |
… | |
1006 | const_iv (MAP_LOCKED) |
939 | const_iv (MAP_LOCKED) |
1007 | const_iv (MAP_NORESERVE) |
940 | const_iv (MAP_NORESERVE) |
1008 | const_iv (MAP_POPULATE) |
941 | const_iv (MAP_POPULATE) |
1009 | const_iv (MAP_NONBLOCK) |
942 | const_iv (MAP_NONBLOCK) |
1010 | |
943 | |
|
|
944 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
945 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
946 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
947 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
948 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
949 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
950 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
951 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
952 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
953 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
954 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
955 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
956 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
957 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
958 | |
1011 | const_eio (SEEK_SET) |
959 | const_eio (SEEK_SET) |
1012 | const_eio (SEEK_CUR) |
960 | const_eio (SEEK_CUR) |
1013 | const_eio (SEEK_END) |
961 | const_eio (SEEK_END) |
1014 | |
962 | |
1015 | const_eio (MCL_FUTURE) |
963 | const_eio (MCL_FUTURE) |
… | |
… | |
1564 | |
1512 | |
1565 | req->type = EIO_MLOCKALL; |
1513 | req->type = EIO_MLOCKALL; |
1566 | req->int1 = flags; |
1514 | req->int1 = flags; |
1567 | |
1515 | |
1568 | REQ_SEND; |
1516 | REQ_SEND; |
|
|
1517 | } |
|
|
1518 | |
|
|
1519 | void |
|
|
1520 | aio_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 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1532 | req->offs = start; |
|
|
1533 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1534 | req->int2 = flags; |
|
|
1535 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1536 | |
|
|
1537 | REQ_SEND; |
1569 | } |
1538 | } |
1570 | |
1539 | |
1571 | void |
1540 | void |
1572 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1541 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1573 | PPCODE: |
1542 | PPCODE: |