… | |
… | |
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 |
… | |
… | |
126 | static void req_destroy (eio_req *grp); |
124 | static 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 |
… | |
… | |
326 | #endif |
156 | #endif |
327 | |
157 | |
328 | #ifndef PAGESIZE |
158 | #ifndef PAGESIZE |
329 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
330 | #endif |
160 | #endif |
|
|
161 | |
|
|
162 | /*****************************************************************************/ |
|
|
163 | |
|
|
164 | static void |
|
|
165 | fiemap (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)) |
|
|
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 (atcually 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)) |
|
|
224 | return; |
|
|
225 | |
|
|
226 | count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
|
|
227 | fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
228 | errno = ENOMEM; |
|
|
229 | if (!fiemap) |
|
|
230 | return; |
|
|
231 | |
|
|
232 | req->ptr1 = fiemap; |
|
|
233 | |
|
|
234 | for (count = 0; count < incmap->fm_mapped_extents; ++count) |
|
|
235 | { |
|
|
236 | struct fiemap_extent *e = incmap->fm_extents + count; |
|
|
237 | |
|
|
238 | if (e->fe_logical + e->fe_length >= end_offset) |
|
|
239 | goto done; |
|
|
240 | |
|
|
241 | fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
|
|
242 | |
|
|
243 | if (e->fe_flags & FIEMAP_EXTENT_LAST) |
|
|
244 | goto done; |
|
|
245 | |
|
|
246 | } |
|
|
247 | } |
|
|
248 | |
|
|
249 | done: |
|
|
250 | req->result = 0; |
|
|
251 | |
|
|
252 | #else |
|
|
253 | errno = ENOSYS; |
|
|
254 | #endif |
|
|
255 | } |
|
|
256 | |
|
|
257 | /*****************************************************************************/ |
331 | |
258 | |
332 | enum { |
259 | enum { |
333 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
260 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
334 | }; |
261 | }; |
335 | |
262 | |
… | |
… | |
652 | SvSETMAGIC (req->sv2); |
579 | SvSETMAGIC (req->sv2); |
653 | PUSHs (sv_result); |
580 | PUSHs (sv_result); |
654 | } |
581 | } |
655 | break; |
582 | break; |
656 | |
583 | |
|
|
584 | case EIO_CUSTOM: |
|
|
585 | if (req->feed == fiemap) |
|
|
586 | { |
|
|
587 | #if HAVE_FIEMAP |
|
|
588 | if (!req->result) |
|
|
589 | { |
|
|
590 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
591 | |
|
|
592 | if (fiemap->fm_extent_count) |
|
|
593 | { |
|
|
594 | AV *av = newAV (); |
|
|
595 | int i; |
|
|
596 | |
|
|
597 | while (fiemap->fm_mapped_extents) |
|
|
598 | { |
|
|
599 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
600 | AV *ext_av = newAV (); |
|
|
601 | |
|
|
602 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
603 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
604 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
605 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
606 | |
|
|
607 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
608 | } |
|
|
609 | |
|
|
610 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
611 | } |
|
|
612 | else |
|
|
613 | { |
|
|
614 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
615 | PUSHs (sv_result); |
|
|
616 | } |
|
|
617 | } |
|
|
618 | #endif |
|
|
619 | } |
|
|
620 | else |
|
|
621 | PUSHs (sv_result); |
|
|
622 | break; |
|
|
623 | |
657 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
624 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
658 | if (req->result > 0) |
625 | if (req->result > 0) |
659 | SvIV_set (sv_result, 0); |
626 | SvIV_set (sv_result, 0); |
660 | /* FALLTHROUGH */ |
627 | /* FALLTHROUGH */ |
661 | |
628 | |
… | |
… | |
768 | } |
735 | } |
769 | |
736 | |
770 | /*****************************************************************************/ |
737 | /*****************************************************************************/ |
771 | |
738 | |
772 | #if !_POSIX_MAPPED_FILES |
739 | #if !_POSIX_MAPPED_FILES |
773 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
740 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
774 | # define munmap(addr,length) (errno = ENOSYS, -1) |
741 | # define munmap(addr,length) EIO_ENOSYS () |
775 | #endif |
742 | #endif |
776 | |
743 | |
777 | #if !_POSIX_MEMORY_PROTECTION |
744 | #if !_POSIX_MEMORY_PROTECTION |
778 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
745 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
779 | # define PROT_NONE 0 |
746 | # define PROT_NONE 0 |
780 | # define PROT_WRITE 0 |
747 | # define PROT_WRITE 0 |
781 | # define MAP_PRIVATE 0 |
748 | # define MAP_PRIVATE 0 |
782 | # define MAP_SHARED 0 |
749 | # define MAP_SHARED 0 |
783 | # define MAP_FIXED 0 |
750 | # define MAP_FIXED 0 |
… | |
… | |
927 | IV iv; |
894 | IV iv; |
928 | } *civ, const_iv[] = { |
895 | } *civ, const_iv[] = { |
929 | # define const_niv(name, value) { # name, (IV) value }, |
896 | # define const_niv(name, value) { # name, (IV) value }, |
930 | # define const_iv(name) { # name, (IV) name }, |
897 | # define const_iv(name) { # name, (IV) name }, |
931 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
898 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
899 | |
|
|
900 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
901 | |
|
|
902 | const_iv (ENOSYS) |
932 | const_iv (EXDEV) |
903 | const_iv (EXDEV) |
933 | const_iv (ENOSYS) |
904 | const_iv (EBADR) |
|
|
905 | |
934 | const_iv (O_RDONLY) |
906 | const_iv (O_RDONLY) |
935 | const_iv (O_WRONLY) |
907 | const_iv (O_WRONLY) |
936 | const_iv (O_RDWR) |
908 | const_iv (O_RDWR) |
937 | const_iv (O_CREAT) |
909 | const_iv (O_CREAT) |
938 | const_iv (O_TRUNC) |
910 | const_iv (O_TRUNC) |
… | |
… | |
1006 | const_iv (MAP_LOCKED) |
978 | const_iv (MAP_LOCKED) |
1007 | const_iv (MAP_NORESERVE) |
979 | const_iv (MAP_NORESERVE) |
1008 | const_iv (MAP_POPULATE) |
980 | const_iv (MAP_POPULATE) |
1009 | const_iv (MAP_NONBLOCK) |
981 | const_iv (MAP_NONBLOCK) |
1010 | |
982 | |
|
|
983 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
984 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
985 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
986 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
987 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
988 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
989 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
990 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
991 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
992 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
993 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
994 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
995 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
996 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
997 | |
|
|
998 | const_iv (SPLICE_F_MOVE) |
|
|
999 | const_iv (SPLICE_F_NONBLOCK) |
|
|
1000 | const_iv (SPLICE_F_MORE) |
|
|
1001 | const_iv (SPLICE_F_GIFT) |
|
|
1002 | |
|
|
1003 | const_iv (SEEK_DATA) |
|
|
1004 | const_iv (SEEK_HOLE) |
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|
1005 | |
|
|
1006 | /* libeio constants */ |
1011 | const_eio (SEEK_SET) |
1007 | const_eio (SEEK_SET) |
1012 | const_eio (SEEK_CUR) |
1008 | const_eio (SEEK_CUR) |
1013 | const_eio (SEEK_END) |
1009 | const_eio (SEEK_END) |
1014 | |
1010 | |
1015 | const_eio (MCL_FUTURE) |
1011 | const_eio (MCL_FUTURE) |
… | |
… | |
1024 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1020 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1025 | const_eio (SYNC_FILE_RANGE_WRITE) |
1021 | const_eio (SYNC_FILE_RANGE_WRITE) |
1026 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1022 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1027 | |
1023 | |
1028 | const_eio (FALLOC_FL_KEEP_SIZE) |
1024 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
1025 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1029 | |
1026 | |
1030 | const_eio (READDIR_DENTS) |
1027 | const_eio (READDIR_DENTS) |
1031 | const_eio (READDIR_DIRS_FIRST) |
1028 | const_eio (READDIR_DIRS_FIRST) |
1032 | const_eio (READDIR_STAT_ORDER) |
1029 | const_eio (READDIR_STAT_ORDER) |
1033 | const_eio (READDIR_FOUND_UNKNOWN) |
1030 | const_eio (READDIR_FOUND_UNKNOWN) |
… | |
… | |
1216 | |
1213 | |
1217 | void |
1214 | void |
1218 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1215 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1219 | PPCODE: |
1216 | PPCODE: |
1220 | { |
1217 | { |
1221 | STRLEN svlen; |
|
|
1222 | int fd = s_fileno_croak (fh, 0); |
1218 | int fd = s_fileno_croak (fh, 0); |
1223 | dREQ; |
1219 | dREQ; |
1224 | |
1220 | |
1225 | req->type = EIO_SEEK; |
1221 | req->type = EIO_SEEK; |
1226 | req->sv1 = newSVsv (fh); |
1222 | req->sv1 = newSVsv (fh); |
… | |
… | |
1257 | } |
1253 | } |
1258 | else |
1254 | else |
1259 | { |
1255 | { |
1260 | /* read: check type and grow scalar as necessary */ |
1256 | /* read: check type and grow scalar as necessary */ |
1261 | SvUPGRADE (data, SVt_PV); |
1257 | SvUPGRADE (data, SVt_PV); |
|
|
1258 | if (SvLEN (data) >= SvCUR (data)) |
1262 | svptr = SvGROW (data, len + dataoffset + 1); |
1259 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1260 | else if (SvCUR (data) < len + dataoffset) |
|
|
1261 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1263 | } |
1262 | } |
1264 | |
1263 | |
1265 | { |
1264 | { |
1266 | dREQ; |
1265 | dREQ; |
1267 | |
1266 | |
… | |
… | |
1564 | |
1563 | |
1565 | req->type = EIO_MLOCKALL; |
1564 | req->type = EIO_MLOCKALL; |
1566 | req->int1 = flags; |
1565 | req->int1 = flags; |
1567 | |
1566 | |
1568 | REQ_SEND; |
1567 | REQ_SEND; |
|
|
1568 | } |
|
|
1569 | |
|
|
1570 | void |
|
|
1571 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1572 | PPCODE: |
|
|
1573 | { |
|
|
1574 | int fd = s_fileno_croak (fh, 0); |
|
|
1575 | dREQ; |
|
|
1576 | |
|
|
1577 | req->type = EIO_CUSTOM; |
|
|
1578 | req->sv1 = newSVsv (fh); |
|
|
1579 | req->int1 = fd; |
|
|
1580 | |
|
|
1581 | req->feed = fiemap; |
|
|
1582 | #if HAVE_FIEMAP |
|
|
1583 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1584 | req->offs = start; |
|
|
1585 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1586 | req->int2 = flags; |
|
|
1587 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1588 | #endif |
|
|
1589 | |
|
|
1590 | REQ_SEND; |
1569 | } |
1591 | } |
1570 | |
1592 | |
1571 | void |
1593 | void |
1572 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1594 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1573 | PPCODE: |
1595 | PPCODE: |
… | |
… | |
1705 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1727 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1706 | OUTPUT: |
1728 | OUTPUT: |
1707 | RETVAL |
1729 | RETVAL |
1708 | |
1730 | |
1709 | void |
1731 | void |
1710 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1732 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1711 | PPCODE: |
1733 | PPCODE: |
1712 | sv_unmagic (scalar, MMAP_MAGIC); |
1734 | sv_unmagic (scalar, MMAP_MAGIC); |
1713 | { |
1735 | { |
1714 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1736 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1715 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1737 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
… | |
… | |
1748 | ALIAS: |
1770 | ALIAS: |
1749 | mprotect = 1 |
1771 | mprotect = 1 |
1750 | CODE: |
1772 | CODE: |
1751 | { |
1773 | { |
1752 | STRLEN svlen; |
1774 | STRLEN svlen; |
1753 | void *addr = SvPVbyte (scalar, svlen); |
1775 | void *addr = SvPVbyte (scalar, svlen); |
1754 | size_t len = SvUV (length); |
1776 | size_t len = SvUV (length); |
1755 | |
1777 | |
1756 | if (offset < 0) |
1778 | if (offset < 0) |
1757 | offset += svlen; |
1779 | offset += svlen; |
1758 | |
1780 | |
… | |
… | |
1794 | addr = (void *)(((intptr_t)addr) + offset); |
1816 | addr = (void *)(((intptr_t)addr) + offset); |
1795 | eio_page_align (&addr, &len); |
1817 | eio_page_align (&addr, &len); |
1796 | #if _POSIX_MEMLOCK_RANGE |
1818 | #if _POSIX_MEMLOCK_RANGE |
1797 | RETVAL = munlock (addr, len); |
1819 | RETVAL = munlock (addr, len); |
1798 | #else |
1820 | #else |
1799 | RETVAL = ((errno = ENOSYS), -1); |
1821 | RETVAL = EIO_ENOSYS (); |
1800 | #endif |
1822 | #endif |
1801 | } |
1823 | } |
1802 | OUTPUT: |
1824 | OUTPUT: |
1803 | RETVAL |
1825 | RETVAL |
1804 | |
1826 | |
… | |
… | |
1806 | munlockall () |
1828 | munlockall () |
1807 | CODE: |
1829 | CODE: |
1808 | #if _POSIX_MEMLOCK |
1830 | #if _POSIX_MEMLOCK |
1809 | munlockall (); |
1831 | munlockall (); |
1810 | #else |
1832 | #else |
1811 | RETVAL = -1; |
1833 | RETVAL = EIO_ENOSYS (); |
1812 | errno = ENOSYS; |
|
|
1813 | #endif |
1834 | #endif |
1814 | OUTPUT: |
1835 | OUTPUT: |
|
|
1836 | RETVAL |
|
|
1837 | |
|
|
1838 | int |
|
|
1839 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1840 | CODE: |
|
|
1841 | { |
|
|
1842 | #if HAVE_LINUX_SPLICE |
|
|
1843 | loff_t off_in_, off_out_; |
|
|
1844 | RETVAL = splice ( |
|
|
1845 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1846 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1847 | length, flags |
|
|
1848 | ); |
|
|
1849 | #else |
|
|
1850 | RETVAL = EIO_ENOSYS (); |
|
|
1851 | #endif |
|
|
1852 | } |
|
|
1853 | OUTPUT: |
|
|
1854 | RETVAL |
|
|
1855 | |
|
|
1856 | int |
|
|
1857 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1858 | CODE: |
|
|
1859 | #if HAVE_LINUX_SPLICE |
|
|
1860 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1861 | #else |
|
|
1862 | RETVAL = EIO_ENOSYS (); |
|
|
1863 | #endif |
|
|
1864 | OUTPUT: |
1815 | RETVAL |
1865 | RETVAL |
1816 | |
1866 | |
1817 | void _on_next_submit (SV *cb) |
1867 | void _on_next_submit (SV *cb) |
1818 | CODE: |
1868 | CODE: |
1819 | SvREFCNT_dec (on_next_submit); |
1869 | SvREFCNT_dec (on_next_submit); |