… | |
… | |
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 | |
… | |
… | |
62 | #undef dup |
71 | #undef dup |
63 | #undef dup2 |
72 | #undef dup2 |
64 | #undef abort |
73 | #undef abort |
65 | #undef pipe |
74 | #undef pipe |
66 | |
75 | |
|
|
76 | #define EIO_STRUCT_STAT struct _stati64 |
|
|
77 | #define EIO_STRUCT_STATI64 |
|
|
78 | |
67 | #else |
79 | #else |
68 | |
80 | |
69 | #include <sys/time.h> |
81 | #include <sys/time.h> |
70 | #include <sys/select.h> |
82 | #include <sys/select.h> |
71 | #include <unistd.h> |
83 | #include <unistd.h> |
72 | #include <utime.h> |
84 | #include <utime.h> |
73 | #include <signal.h> |
85 | #include <signal.h> |
74 | |
86 | |
75 | #endif |
|
|
76 | |
|
|
77 | #define EIO_STRUCT_STAT Stat_t |
87 | #define EIO_STRUCT_STAT Stat_t |
78 | |
88 | |
79 | /* use NV for 32 bit perls as it allows larger offsets */ |
|
|
80 | #if IVSIZE >= 8 |
|
|
81 | # define VAL64 IV |
|
|
82 | # define SvVAL64 SvIV |
|
|
83 | # define newSVval64 newSViv |
|
|
84 | #else |
|
|
85 | # define VAL64 NV |
|
|
86 | # define SvVAL64 SvNV |
|
|
87 | # define newSVval64 newSVnv |
|
|
88 | #endif |
89 | #endif |
89 | |
90 | |
90 | /*****************************************************************************/ |
91 | /*****************************************************************************/ |
91 | |
92 | |
92 | #if __GNUC__ >= 3 |
93 | #if __GNUC__ >= 3 |
… | |
… | |
123 | static void req_destroy (eio_req *grp); |
124 | static void req_destroy (eio_req *grp); |
124 | #define EIO_DESTROY(req) req_destroy (req) |
125 | #define EIO_DESTROY(req) req_destroy (req) |
125 | |
126 | |
126 | #include "libeio/eio.c" |
127 | #include "libeio/eio.c" |
127 | |
128 | |
128 | /* Linux/others */ |
|
|
129 | #ifndef O_ASYNC |
|
|
130 | # define O_ASYNC 0 |
|
|
131 | #endif |
|
|
132 | #ifndef O_DIRECT |
|
|
133 | # define O_DIRECT 0 |
|
|
134 | #endif |
|
|
135 | #ifndef O_NOATIME |
|
|
136 | # define O_NOATIME 0 |
|
|
137 | #endif |
|
|
138 | |
|
|
139 | /* POSIX */ |
|
|
140 | #ifndef O_CLOEXEC |
|
|
141 | # define O_CLOEXEC 0 |
|
|
142 | #endif |
|
|
143 | #ifndef O_NOFOLLOW |
|
|
144 | # define O_NOFOLLOW 0 |
|
|
145 | #endif |
|
|
146 | #ifndef O_NOCTTY |
|
|
147 | # define O_NOCTTY 0 |
|
|
148 | #endif |
|
|
149 | #ifndef O_NONBLOCK |
|
|
150 | # define O_NONBLOCK 0 |
|
|
151 | #endif |
|
|
152 | #ifndef O_EXEC |
|
|
153 | # define O_EXEC 0 |
|
|
154 | #endif |
|
|
155 | #ifndef O_SEARCH |
|
|
156 | # define O_SEARCH 0 |
|
|
157 | #endif |
|
|
158 | #ifndef O_DIRECTORY |
|
|
159 | # define O_DIRECTORY 0 |
|
|
160 | #endif |
|
|
161 | #ifndef O_DSYNC |
|
|
162 | # define O_DSYNC 0 |
|
|
163 | #endif |
|
|
164 | #ifndef O_RSYNC |
|
|
165 | # define O_RSYNC 0 |
|
|
166 | #endif |
|
|
167 | #ifndef O_SYNC |
|
|
168 | # define O_SYNC 0 |
|
|
169 | #endif |
|
|
170 | #ifndef O_TTY_INIT |
|
|
171 | # define O_TTY_INIT 0 |
|
|
172 | #endif |
|
|
173 | |
|
|
174 | #ifndef POSIX_FADV_NORMAL |
|
|
175 | # define POSIX_FADV_NORMAL 0 |
|
|
176 | #endif |
|
|
177 | #ifndef POSIX_FADV_SEQUENTIAL |
|
|
178 | # define POSIX_FADV_SEQUENTIAL 0 |
|
|
179 | #endif |
|
|
180 | #ifndef POSIX_FADV_RANDOM |
|
|
181 | # define POSIX_FADV_RANDOM 0 |
|
|
182 | #endif |
|
|
183 | #ifndef POSIX_FADV_NOREUSE |
|
|
184 | # define POSIX_FADV_NOREUSE 0 |
|
|
185 | #endif |
|
|
186 | #ifndef POSIX_FADV_WILLNEED |
|
|
187 | # define POSIX_FADV_WILLNEED 0 |
|
|
188 | #endif |
|
|
189 | #ifndef POSIX_FADV_DONTNEED |
|
|
190 | # define POSIX_FADV_DONTNEED 0 |
|
|
191 | #endif |
|
|
192 | |
|
|
193 | #if !HAVE_POSIX_FADVISE |
129 | #if !HAVE_POSIX_FADVISE |
194 | # 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 */ |
195 | #endif |
131 | #endif |
196 | |
132 | |
197 | #ifndef POSIX_MADV_NORMAL |
|
|
198 | # define POSIX_MADV_NORMAL 0 |
|
|
199 | #endif |
|
|
200 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
201 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
202 | #endif |
|
|
203 | #ifndef POSIX_MADV_RANDOM |
|
|
204 | # define POSIX_MADV_RANDOM 0 |
|
|
205 | #endif |
|
|
206 | #ifndef POSIX_MADV_WILLNEED |
|
|
207 | # define POSIX_MADV_WILLNEED 0 |
|
|
208 | #endif |
|
|
209 | #ifndef POSIX_MADV_DONTNEED |
|
|
210 | # define POSIX_MADV_DONTNEED 0 |
|
|
211 | #endif |
|
|
212 | |
|
|
213 | #if !HAVE_POSIX_MADVISE |
133 | #if !HAVE_POSIX_MADVISE |
214 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
134 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
215 | #endif |
|
|
216 | |
|
|
217 | #ifndef PROT_NONE |
|
|
218 | # define PROT_NONE 0 |
|
|
219 | #endif |
|
|
220 | #ifndef PROT_READ |
|
|
221 | # define PROT_READ 0 |
|
|
222 | #endif |
|
|
223 | #ifndef PROT_WRITE |
|
|
224 | # define PROT_READ 0 |
|
|
225 | #endif |
|
|
226 | #ifndef PROT_EXEC |
|
|
227 | # define PROT_EXEC 0 |
|
|
228 | #endif |
|
|
229 | |
|
|
230 | #ifndef ST_RDONLY |
|
|
231 | # define ST_RDONLY 0 |
|
|
232 | #endif |
|
|
233 | #ifndef ST_NOSUID |
|
|
234 | # define ST_NOSUID 0 |
|
|
235 | #endif |
|
|
236 | #ifndef ST_NODEV |
|
|
237 | # define ST_NODEV 0 |
|
|
238 | #endif |
|
|
239 | #ifndef ST_NOEXEC |
|
|
240 | # define ST_NOEXEC 0 |
|
|
241 | #endif |
|
|
242 | #ifndef ST_SYNCHRONOUS |
|
|
243 | # define ST_SYNCHRONOUS 0 |
|
|
244 | #endif |
|
|
245 | #ifndef ST_MANDLOCK |
|
|
246 | # define ST_MANDLOCK 0 |
|
|
247 | #endif |
|
|
248 | #ifndef ST_WRITE |
|
|
249 | # define ST_WRITE 0 |
|
|
250 | #endif |
|
|
251 | #ifndef ST_APPEND |
|
|
252 | # define ST_APPEND 0 |
|
|
253 | #endif |
|
|
254 | #ifndef ST_IMMUTABLE |
|
|
255 | # define ST_IMMUTABLE 0 |
|
|
256 | #endif |
|
|
257 | #ifndef ST_NOATIME |
|
|
258 | # define ST_NOATIME 0 |
|
|
259 | #endif |
|
|
260 | #ifndef ST_NODIRATIME |
|
|
261 | # define ST_NODIRATIME 0 |
|
|
262 | #endif |
|
|
263 | #ifndef ST_RELATIME |
|
|
264 | # define ST_RELATIME 0 |
|
|
265 | #endif |
|
|
266 | |
|
|
267 | #ifndef S_IFIFO |
|
|
268 | # define S_IFIFO 0 |
|
|
269 | #endif |
|
|
270 | #ifndef S_IFCHR |
|
|
271 | # define S_IFCHR 0 |
|
|
272 | #endif |
|
|
273 | #ifndef S_IFBLK |
|
|
274 | # define S_IFBLK 0 |
|
|
275 | #endif |
|
|
276 | #ifndef S_IFLNK |
|
|
277 | # define S_IFLNK 0 |
|
|
278 | #endif |
|
|
279 | #ifndef S_IFREG |
|
|
280 | # define S_IFREG 0 |
|
|
281 | #endif |
|
|
282 | #ifndef S_IFDIR |
|
|
283 | # define S_IFDIR 0 |
|
|
284 | #endif |
|
|
285 | #ifndef S_IFWHT |
|
|
286 | # define S_IFWHT 0 |
|
|
287 | #endif |
|
|
288 | #ifndef S_IFSOCK |
|
|
289 | # define S_IFSOCK 0 |
|
|
290 | #endif |
135 | #endif |
291 | |
136 | |
292 | #ifndef MAP_ANONYMOUS |
137 | #ifndef MAP_ANONYMOUS |
293 | # ifdef MAP_ANON |
138 | # ifdef MAP_ANON |
294 | # define MAP_ANONYMOUS MAP_ANON |
139 | # define MAP_ANONYMOUS MAP_ANON |
295 | # else |
140 | # else |
296 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
141 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
297 | # endif |
142 | # endif |
298 | #endif |
143 | #endif |
299 | #ifndef MAP_HUGETLB |
144 | |
300 | # define MAP_HUGETLB 0 |
145 | /* defines all sorts of constants to 0 unless they are already defined */ |
301 | #endif |
146 | #include "def0.h" |
302 | #ifndef MAP_LOCKED |
|
|
303 | # define MAP_LOCKED 0 |
|
|
304 | #endif |
|
|
305 | #ifndef MAP_NORESERVE |
|
|
306 | # define MAP_NORESERVE 0 |
|
|
307 | #endif |
|
|
308 | #ifndef MAP_POPULATE |
|
|
309 | # define MAP_POPULATE 0 |
|
|
310 | #endif |
|
|
311 | #ifndef MAP_NONBLOCK |
|
|
312 | # define MAP_NONBLOCK 0 |
|
|
313 | #endif |
|
|
314 | |
147 | |
315 | #ifndef makedev |
148 | #ifndef makedev |
316 | # define makedev(maj,min) (((maj) << 8) | (min)) |
149 | # define makedev(maj,min) (((maj) << 8) | (min)) |
317 | #endif |
150 | #endif |
318 | #ifndef major |
151 | #ifndef major |
… | |
… | |
323 | #endif |
156 | #endif |
324 | |
157 | |
325 | #ifndef PAGESIZE |
158 | #ifndef PAGESIZE |
326 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
159 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
327 | #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 | int count = req->int3; |
|
|
171 | |
|
|
172 | /* heuristic: first try with 72 extents if we don't know how many, */ |
|
|
173 | /* as most files have (hopefully) fewer than this many extents */ |
|
|
174 | /* in fact, most should have <= 2, so the 72 below is probably overkill */ |
|
|
175 | if (count < 0) |
|
|
176 | count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ |
|
|
177 | |
|
|
178 | for (;;) |
|
|
179 | { |
|
|
180 | struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
|
|
181 | errno = ENOMEM; |
|
|
182 | if (!fiemap) |
|
|
183 | return; |
|
|
184 | |
|
|
185 | req->ptr1 = fiemap; |
|
|
186 | req->flags |= EIO_FLAG_PTR1_FREE; |
|
|
187 | |
|
|
188 | fiemap->fm_start = req->offs; |
|
|
189 | fiemap->fm_length = req->size; |
|
|
190 | fiemap->fm_flags = req->int2; |
|
|
191 | fiemap->fm_extent_count = count; |
|
|
192 | |
|
|
193 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
|
|
194 | return; |
|
|
195 | |
|
|
196 | if (req->int3 >= 0) |
|
|
197 | break; /* when not autosizing we are done */ |
|
|
198 | |
|
|
199 | if (fiemap->fm_mapped_extents < count) |
|
|
200 | /* either autosizing succeeded, |
|
|
201 | * or the file had no extents |
|
|
202 | * or we luckily had enough space */ |
|
|
203 | break; |
|
|
204 | |
|
|
205 | /* some kernels overwrite fm_length, so just reset everything */ |
|
|
206 | fiemap->fm_start = req->offs; |
|
|
207 | fiemap->fm_length = req->size; |
|
|
208 | fiemap->fm_flags = req->int2; |
|
|
209 | fiemap->fm_extent_count = 0; |
|
|
210 | |
|
|
211 | if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) |
|
|
212 | return; |
|
|
213 | |
|
|
214 | /* to work around a kernel bug, we allocate one more */ |
|
|
215 | count = fiemap->fm_mapped_extents + 1; |
|
|
216 | |
|
|
217 | free (fiemap); |
|
|
218 | } |
|
|
219 | |
|
|
220 | req->result = 0; |
|
|
221 | |
|
|
222 | #else |
|
|
223 | errno = ENOSYS; |
|
|
224 | #endif |
|
|
225 | } |
|
|
226 | |
|
|
227 | /*****************************************************************************/ |
328 | |
228 | |
329 | enum { |
229 | enum { |
330 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
230 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
331 | }; |
231 | }; |
332 | |
232 | |
… | |
… | |
380 | SvAIO_REQ (SV *sv) |
280 | SvAIO_REQ (SV *sv) |
381 | { |
281 | { |
382 | MAGIC *mg; |
282 | MAGIC *mg; |
383 | |
283 | |
384 | if (!SvROK (sv) |
284 | if (!SvROK (sv) |
|
|
285 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
385 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
286 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
386 | && SvSTASH (SvRV (sv)) != aio_req_stash |
287 | && SvSTASH (SvRV (sv)) != aio_req_stash |
387 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
288 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
388 | croak ("object of class IO::AIO::REQ expected"); |
289 | croak ("object of class IO::AIO::REQ expected"); |
389 | |
290 | |
… | |
… | |
394 | |
295 | |
395 | static aio_wd |
296 | static aio_wd |
396 | SvAIO_WD (SV *sv) |
297 | SvAIO_WD (SV *sv) |
397 | { |
298 | { |
398 | if (!SvROK (sv) |
299 | if (!SvROK (sv) |
|
|
300 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
399 | || SvSTASH (SvRV (sv)) != aio_wd_stash |
301 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
400 | || SvTYPE (SvRV (sv)) != SVt_PVMG) |
|
|
401 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
302 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
402 | |
303 | |
403 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
304 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
404 | } |
305 | } |
405 | |
306 | |
… | |
… | |
634 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
535 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
635 | |
536 | |
636 | PUSHs (sv_result); |
537 | PUSHs (sv_result); |
637 | break; |
538 | break; |
638 | |
539 | |
|
|
540 | case EIO_SEEK: |
|
|
541 | PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
|
|
542 | break; |
|
|
543 | |
639 | case EIO_READ: |
544 | case EIO_READ: |
640 | { |
545 | { |
641 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
546 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
642 | *SvEND (req->sv2) = 0; |
547 | *SvEND (req->sv2) = 0; |
643 | SvPOK_only (req->sv2); |
548 | SvPOK_only (req->sv2); |
644 | SvSETMAGIC (req->sv2); |
549 | SvSETMAGIC (req->sv2); |
645 | PUSHs (sv_result); |
550 | PUSHs (sv_result); |
646 | } |
551 | } |
647 | break; |
552 | break; |
648 | |
553 | |
|
|
554 | case EIO_CUSTOM: |
|
|
555 | if (req->feed == fiemap) |
|
|
556 | { |
|
|
557 | #if HAVE_FIEMAP |
|
|
558 | if (!req->result) |
|
|
559 | { |
|
|
560 | struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
|
|
561 | |
|
|
562 | if (fiemap->fm_extent_count) |
|
|
563 | { |
|
|
564 | AV *av = newAV (); |
|
|
565 | int i; |
|
|
566 | |
|
|
567 | while (fiemap->fm_mapped_extents) |
|
|
568 | { |
|
|
569 | struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
|
|
570 | AV *ext_av = newAV (); |
|
|
571 | |
|
|
572 | av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
|
|
573 | av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
|
|
574 | av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
|
|
575 | av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
|
|
576 | |
|
|
577 | av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
|
|
578 | } |
|
|
579 | |
|
|
580 | PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
|
|
581 | } |
|
|
582 | else |
|
|
583 | { |
|
|
584 | SvIV_set (sv_result, fiemap->fm_mapped_extents); |
|
|
585 | PUSHs (sv_result); |
|
|
586 | } |
|
|
587 | } |
|
|
588 | #endif |
|
|
589 | } |
|
|
590 | else |
|
|
591 | PUSHs (sv_result); |
|
|
592 | break; |
|
|
593 | |
649 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
594 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
650 | if (req->result > 0) |
595 | if (req->result > 0) |
651 | SvIV_set (sv_result, 0); |
596 | SvIV_set (sv_result, 0); |
652 | /* FALLTHROUGH */ |
597 | /* FALLTHROUGH */ |
653 | |
598 | |
… | |
… | |
689 | SvREFCNT_dec (req->sv2); |
634 | SvREFCNT_dec (req->sv2); |
690 | SvREFCNT_dec (req->sv3); |
635 | SvREFCNT_dec (req->sv3); |
691 | SvREFCNT_dec (req->sv4); |
636 | SvREFCNT_dec (req->sv4); |
692 | SvREFCNT_dec (req->callback); |
637 | SvREFCNT_dec (req->callback); |
693 | |
638 | |
694 | Safefree (req); |
639 | free (req); |
695 | } |
640 | } |
696 | |
641 | |
697 | static void |
642 | static void |
698 | req_cancel_subs (aio_req grp) |
643 | req_cancel_subs (aio_req grp) |
699 | { |
644 | { |
… | |
… | |
760 | } |
705 | } |
761 | |
706 | |
762 | /*****************************************************************************/ |
707 | /*****************************************************************************/ |
763 | |
708 | |
764 | #if !_POSIX_MAPPED_FILES |
709 | #if !_POSIX_MAPPED_FILES |
765 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
710 | # define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
766 | # define munmap(addr,length) (errno = ENOSYS, -1) |
711 | # define munmap(addr,length) EIO_ENOSYS () |
767 | #endif |
712 | #endif |
768 | |
713 | |
769 | #if !_POSIX_MEMORY_PROTECTION |
714 | #if !_POSIX_MEMORY_PROTECTION |
770 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
715 | # define mprotect(addr,len,prot) EIO_ENOSYS () |
771 | # define PROT_NONE 0 |
716 | # define PROT_NONE 0 |
772 | # define PROT_WRITE 0 |
717 | # define PROT_WRITE 0 |
773 | # define MAP_PRIVATE 0 |
718 | # define MAP_PRIVATE 0 |
774 | # define MAP_SHARED 0 |
719 | # define MAP_SHARED 0 |
775 | # define MAP_FIXED 0 |
720 | # define MAP_FIXED 0 |
… | |
… | |
819 | int req_pri = next_pri; |
764 | int req_pri = next_pri; |
820 | next_pri = EIO_PRI_DEFAULT; |
765 | next_pri = EIO_PRI_DEFAULT; |
821 | |
766 | |
822 | cb_cv = get_cb (callback); |
767 | cb_cv = get_cb (callback); |
823 | |
768 | |
824 | Newz (0, req, 1, eio_req); |
769 | req = calloc (sizeof (*req), 1); |
825 | if (!req) |
770 | if (!req) |
826 | croak ("out of memory during eio_req allocation"); |
771 | croak ("out of memory during eio_req allocation"); |
827 | |
772 | |
828 | req->callback = SvREFCNT_inc (cb_cv); |
773 | req->callback = SvREFCNT_inc (cb_cv); |
829 | req->pri = req_pri; |
774 | req->pri = req_pri; |
… | |
… | |
845 | ecb_inline void |
790 | ecb_inline void |
846 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
791 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
847 | { |
792 | { |
848 | if (expect_false (SvROK (path))) |
793 | if (expect_false (SvROK (path))) |
849 | { |
794 | { |
850 | AV *av = (AV *)SvRV (path); |
795 | SV *rv = SvRV (path); |
851 | SV *wdob; |
796 | SV *wdob; |
852 | |
797 | |
853 | if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) |
798 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
854 | croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); |
|
|
855 | |
|
|
856 | path = AvARRAY (av)[1]; |
|
|
857 | wdob = AvARRAY (av)[0]; |
|
|
858 | |
|
|
859 | if (SvOK (wdob)) |
|
|
860 | { |
799 | { |
|
|
800 | path = AvARRAY (rv)[1]; |
|
|
801 | wdob = AvARRAY (rv)[0]; |
|
|
802 | |
|
|
803 | if (SvOK (wdob)) |
|
|
804 | { |
861 | *wd = SvAIO_WD (wdob); |
805 | *wd = SvAIO_WD (wdob); |
862 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
806 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
807 | } |
|
|
808 | else |
|
|
809 | *wd = EIO_INVALID_WD; |
|
|
810 | } |
|
|
811 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
812 | { |
|
|
813 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
814 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
815 | *ptr = "."; |
|
|
816 | return; /* path set to "." */ |
863 | } |
817 | } |
864 | else |
818 | else |
865 | *wd = EIO_INVALID_WD; |
819 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
866 | } |
820 | } |
867 | |
821 | |
868 | *pathsv = newSVsv (path); |
822 | *pathsv = newSVsv (path); |
869 | *ptr = SvPVbyte_nolen (*pathsv); |
823 | *ptr = SvPVbyte_nolen (*pathsv); |
870 | } |
824 | } |
… | |
… | |
910 | IV iv; |
864 | IV iv; |
911 | } *civ, const_iv[] = { |
865 | } *civ, const_iv[] = { |
912 | # define const_niv(name, value) { # name, (IV) value }, |
866 | # define const_niv(name, value) { # name, (IV) value }, |
913 | # define const_iv(name) { # name, (IV) name }, |
867 | # define const_iv(name) { # name, (IV) name }, |
914 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
868 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
|
|
869 | |
|
|
870 | /* you have to re-run ./gendef0 after adding/Removing any constants here */ |
|
|
871 | |
|
|
872 | const_iv (ENOSYS) |
915 | const_iv (EXDEV) |
873 | const_iv (EXDEV) |
916 | const_iv (ENOSYS) |
874 | const_iv (EBADR) |
|
|
875 | |
917 | const_iv (O_RDONLY) |
876 | const_iv (O_RDONLY) |
918 | const_iv (O_WRONLY) |
877 | const_iv (O_WRONLY) |
919 | const_iv (O_RDWR) |
878 | const_iv (O_RDWR) |
920 | const_iv (O_CREAT) |
879 | const_iv (O_CREAT) |
921 | const_iv (O_TRUNC) |
880 | const_iv (O_TRUNC) |
… | |
… | |
989 | const_iv (MAP_LOCKED) |
948 | const_iv (MAP_LOCKED) |
990 | const_iv (MAP_NORESERVE) |
949 | const_iv (MAP_NORESERVE) |
991 | const_iv (MAP_POPULATE) |
950 | const_iv (MAP_POPULATE) |
992 | const_iv (MAP_NONBLOCK) |
951 | const_iv (MAP_NONBLOCK) |
993 | |
952 | |
|
|
953 | const_iv (FIEMAP_FLAG_SYNC) |
|
|
954 | const_iv (FIEMAP_FLAG_XATTR) |
|
|
955 | const_iv (FIEMAP_FLAGS_COMPAT) |
|
|
956 | const_iv (FIEMAP_EXTENT_LAST) |
|
|
957 | const_iv (FIEMAP_EXTENT_UNKNOWN) |
|
|
958 | const_iv (FIEMAP_EXTENT_DELALLOC) |
|
|
959 | const_iv (FIEMAP_EXTENT_ENCODED) |
|
|
960 | const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
|
|
961 | const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
|
|
962 | const_iv (FIEMAP_EXTENT_DATA_INLINE) |
|
|
963 | const_iv (FIEMAP_EXTENT_DATA_TAIL) |
|
|
964 | const_iv (FIEMAP_EXTENT_UNWRITTEN) |
|
|
965 | const_iv (FIEMAP_EXTENT_MERGED) |
|
|
966 | const_iv (FIEMAP_EXTENT_SHARED) |
|
|
967 | |
|
|
968 | const_iv (SPLICE_F_MOVE) |
|
|
969 | const_iv (SPLICE_F_NONBLOCK) |
|
|
970 | const_iv (SPLICE_F_MORE) |
|
|
971 | const_iv (SPLICE_F_GIFT) |
|
|
972 | |
|
|
973 | const_iv (SEEK_DATA) |
|
|
974 | const_iv (SEEK_HOLE) |
|
|
975 | |
|
|
976 | /* libeio constants */ |
|
|
977 | const_eio (SEEK_SET) |
|
|
978 | const_eio (SEEK_CUR) |
|
|
979 | const_eio (SEEK_END) |
|
|
980 | |
994 | const_eio (MCL_FUTURE) |
981 | const_eio (MCL_FUTURE) |
995 | const_eio (MCL_CURRENT) |
982 | const_eio (MCL_CURRENT) |
996 | |
983 | |
997 | const_eio (MS_ASYNC) |
984 | const_eio (MS_ASYNC) |
998 | const_eio (MS_INVALIDATE) |
985 | const_eio (MS_INVALIDATE) |
… | |
… | |
1003 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
990 | const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1004 | const_eio (SYNC_FILE_RANGE_WRITE) |
991 | const_eio (SYNC_FILE_RANGE_WRITE) |
1005 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
992 | const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1006 | |
993 | |
1007 | const_eio (FALLOC_FL_KEEP_SIZE) |
994 | const_eio (FALLOC_FL_KEEP_SIZE) |
|
|
995 | const_eio (FALLOC_FL_PUNCH_HOLE) |
1008 | |
996 | |
1009 | const_eio (READDIR_DENTS) |
997 | const_eio (READDIR_DENTS) |
1010 | const_eio (READDIR_DIRS_FIRST) |
998 | const_eio (READDIR_DIRS_FIRST) |
1011 | const_eio (READDIR_STAT_ORDER) |
999 | const_eio (READDIR_STAT_ORDER) |
1012 | const_eio (READDIR_FOUND_UNKNOWN) |
1000 | const_eio (READDIR_FOUND_UNKNOWN) |
… | |
… | |
1120 | |
1108 | |
1121 | req->type = ix; |
1109 | req->type = ix; |
1122 | req->sv1 = newSVsv (fh); |
1110 | req->sv1 = newSVsv (fh); |
1123 | req->int1 = fd; |
1111 | req->int1 = fd; |
1124 | |
1112 | |
1125 | REQ_SEND (req); |
1113 | REQ_SEND; |
1126 | } |
1114 | } |
1127 | |
1115 | |
1128 | void |
1116 | void |
1129 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1117 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1130 | PPCODE: |
1118 | PPCODE: |
… | |
… | |
1137 | req->int1 = fd; |
1125 | req->int1 = fd; |
1138 | req->offs = offset; |
1126 | req->offs = offset; |
1139 | req->size = nbytes; |
1127 | req->size = nbytes; |
1140 | req->int2 = flags; |
1128 | req->int2 = flags; |
1141 | |
1129 | |
1142 | REQ_SEND (req); |
1130 | REQ_SEND; |
1143 | } |
1131 | } |
1144 | |
1132 | |
1145 | void |
1133 | void |
1146 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1134 | aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1147 | PPCODE: |
1135 | PPCODE: |
… | |
… | |
1154 | req->int1 = fd; |
1142 | req->int1 = fd; |
1155 | req->int2 = mode; |
1143 | req->int2 = mode; |
1156 | req->offs = offset; |
1144 | req->offs = offset; |
1157 | req->size = len; |
1145 | req->size = len; |
1158 | |
1146 | |
1159 | REQ_SEND (req); |
1147 | REQ_SEND; |
1160 | } |
1148 | } |
1161 | |
1149 | |
1162 | void |
1150 | void |
1163 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1151 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1164 | PPCODE: |
1152 | PPCODE: |
… | |
… | |
1188 | req->type = EIO_DUP2; |
1176 | req->type = EIO_DUP2; |
1189 | req->int1 = close_fd; |
1177 | req->int1 = close_fd; |
1190 | req->sv2 = newSVsv (fh); |
1178 | req->sv2 = newSVsv (fh); |
1191 | req->int2 = fd; |
1179 | req->int2 = fd; |
1192 | |
1180 | |
1193 | REQ_SEND (req); |
1181 | REQ_SEND; |
|
|
1182 | } |
|
|
1183 | |
|
|
1184 | void |
|
|
1185 | aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
|
|
1186 | PPCODE: |
|
|
1187 | { |
|
|
1188 | int fd = s_fileno_croak (fh, 0); |
|
|
1189 | dREQ; |
|
|
1190 | |
|
|
1191 | req->type = EIO_SEEK; |
|
|
1192 | req->sv1 = newSVsv (fh); |
|
|
1193 | req->int1 = fd; |
|
|
1194 | req->offs = SvVAL64 (offset); |
|
|
1195 | req->int2 = whence; |
|
|
1196 | |
|
|
1197 | REQ_SEND; |
1194 | } |
1198 | } |
1195 | |
1199 | |
1196 | void |
1200 | void |
1197 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1201 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1198 | ALIAS: |
1202 | ALIAS: |
… | |
… | |
1219 | } |
1223 | } |
1220 | else |
1224 | else |
1221 | { |
1225 | { |
1222 | /* read: check type and grow scalar as necessary */ |
1226 | /* read: check type and grow scalar as necessary */ |
1223 | SvUPGRADE (data, SVt_PV); |
1227 | SvUPGRADE (data, SVt_PV); |
|
|
1228 | if (SvLEN (data) >= SvCUR (data)) |
1224 | svptr = SvGROW (data, len + dataoffset + 1); |
1229 | svptr = SvGROW (data, len + dataoffset + 1); |
|
|
1230 | else if (SvCUR (data) < len + dataoffset) |
|
|
1231 | croak ("length + dataoffset outside of scalar, and cannot grow"); |
1225 | } |
1232 | } |
1226 | |
1233 | |
1227 | { |
1234 | { |
1228 | dREQ; |
1235 | dREQ; |
1229 | |
1236 | |
… | |
… | |
1429 | aio_link = EIO_LINK |
1436 | aio_link = EIO_LINK |
1430 | aio_symlink = EIO_SYMLINK |
1437 | aio_symlink = EIO_SYMLINK |
1431 | aio_rename = EIO_RENAME |
1438 | aio_rename = EIO_RENAME |
1432 | PPCODE: |
1439 | PPCODE: |
1433 | { |
1440 | { |
|
|
1441 | eio_wd wd2 = 0; |
1434 | dREQ; |
1442 | dREQ; |
1435 | eio_wd wd2 = 0; |
|
|
1436 | |
1443 | |
1437 | req->type = ix; |
1444 | req->type = ix; |
1438 | req_set_path1 (req, oldpath); |
1445 | req_set_path1 (req, oldpath); |
1439 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1446 | req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1440 | req->int3 = (long)wd2; |
1447 | req->int3 = (long)wd2; |
… | |
… | |
1526 | |
1533 | |
1527 | req->type = EIO_MLOCKALL; |
1534 | req->type = EIO_MLOCKALL; |
1528 | req->int1 = flags; |
1535 | req->int1 = flags; |
1529 | |
1536 | |
1530 | REQ_SEND; |
1537 | REQ_SEND; |
|
|
1538 | } |
|
|
1539 | |
|
|
1540 | void |
|
|
1541 | aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
|
|
1542 | PPCODE: |
|
|
1543 | { |
|
|
1544 | int fd = s_fileno_croak (fh, 0); |
|
|
1545 | dREQ; |
|
|
1546 | |
|
|
1547 | req->type = EIO_CUSTOM; |
|
|
1548 | req->sv1 = newSVsv (fh); |
|
|
1549 | req->int1 = fd; |
|
|
1550 | |
|
|
1551 | req->feed = fiemap; |
|
|
1552 | #if HAVE_FIEMAP |
|
|
1553 | /* keep our fingers crossed that the next two types are 64 bit */ |
|
|
1554 | req->offs = start; |
|
|
1555 | req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
|
|
1556 | req->int2 = flags; |
|
|
1557 | req->int3 = SvOK (count) ? SvIV (count) : -1; |
|
|
1558 | #endif |
|
|
1559 | |
|
|
1560 | REQ_SEND; |
1531 | } |
1561 | } |
1532 | |
1562 | |
1533 | void |
1563 | void |
1534 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1564 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1535 | PPCODE: |
1565 | PPCODE: |
… | |
… | |
1667 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1697 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1668 | OUTPUT: |
1698 | OUTPUT: |
1669 | RETVAL |
1699 | RETVAL |
1670 | |
1700 | |
1671 | void |
1701 | void |
1672 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1702 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1673 | PPCODE: |
1703 | PPCODE: |
1674 | sv_unmagic (scalar, MMAP_MAGIC); |
1704 | sv_unmagic (scalar, MMAP_MAGIC); |
1675 | { |
1705 | { |
1676 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1706 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1677 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1707 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
… | |
… | |
1710 | ALIAS: |
1740 | ALIAS: |
1711 | mprotect = 1 |
1741 | mprotect = 1 |
1712 | CODE: |
1742 | CODE: |
1713 | { |
1743 | { |
1714 | STRLEN svlen; |
1744 | STRLEN svlen; |
1715 | void *addr = SvPVbyte (scalar, svlen); |
1745 | void *addr = SvPVbyte (scalar, svlen); |
1716 | size_t len = SvUV (length); |
1746 | size_t len = SvUV (length); |
1717 | |
1747 | |
1718 | if (offset < 0) |
1748 | if (offset < 0) |
1719 | offset += svlen; |
1749 | offset += svlen; |
1720 | |
1750 | |
… | |
… | |
1756 | addr = (void *)(((intptr_t)addr) + offset); |
1786 | addr = (void *)(((intptr_t)addr) + offset); |
1757 | eio_page_align (&addr, &len); |
1787 | eio_page_align (&addr, &len); |
1758 | #if _POSIX_MEMLOCK_RANGE |
1788 | #if _POSIX_MEMLOCK_RANGE |
1759 | RETVAL = munlock (addr, len); |
1789 | RETVAL = munlock (addr, len); |
1760 | #else |
1790 | #else |
1761 | RETVAL = ((errno = ENOSYS), -1); |
1791 | RETVAL = EIO_ENOSYS (); |
1762 | #endif |
1792 | #endif |
1763 | } |
1793 | } |
1764 | OUTPUT: |
1794 | OUTPUT: |
1765 | RETVAL |
1795 | RETVAL |
1766 | |
1796 | |
… | |
… | |
1768 | munlockall () |
1798 | munlockall () |
1769 | CODE: |
1799 | CODE: |
1770 | #if _POSIX_MEMLOCK |
1800 | #if _POSIX_MEMLOCK |
1771 | munlockall (); |
1801 | munlockall (); |
1772 | #else |
1802 | #else |
1773 | RETVAL = -1; |
1803 | RETVAL = EIO_ENOSYS (); |
1774 | errno = ENOSYS; |
|
|
1775 | #endif |
1804 | #endif |
1776 | OUTPUT: |
1805 | OUTPUT: |
|
|
1806 | RETVAL |
|
|
1807 | |
|
|
1808 | int |
|
|
1809 | splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
|
|
1810 | CODE: |
|
|
1811 | { |
|
|
1812 | #if HAVE_LINUX_SPLICE |
|
|
1813 | loff_t off_in_, off_out_; |
|
|
1814 | RETVAL = splice ( |
|
|
1815 | rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
|
|
1816 | wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
|
|
1817 | length, flags |
|
|
1818 | ); |
|
|
1819 | #else |
|
|
1820 | RETVAL = EIO_ENOSYS (); |
|
|
1821 | #endif |
|
|
1822 | } |
|
|
1823 | OUTPUT: |
|
|
1824 | RETVAL |
|
|
1825 | |
|
|
1826 | int |
|
|
1827 | tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
|
|
1828 | CODE: |
|
|
1829 | #if HAVE_LINUX_SPLICE |
|
|
1830 | RETVAL = tee (rfh, wfh, length, flags); |
|
|
1831 | #else |
|
|
1832 | RETVAL = EIO_ENOSYS (); |
|
|
1833 | #endif |
|
|
1834 | OUTPUT: |
1777 | RETVAL |
1835 | RETVAL |
1778 | |
1836 | |
1779 | void _on_next_submit (SV *cb) |
1837 | void _on_next_submit (SV *cb) |
1780 | CODE: |
1838 | CODE: |
1781 | SvREFCNT_dec (on_next_submit); |
1839 | SvREFCNT_dec (on_next_submit); |