1 |
#include "libeio/xthread.h" |
2 |
|
3 |
#include <errno.h> |
4 |
|
5 |
#include "EXTERN.h" |
6 |
#include "perl.h" |
7 |
#include "XSUB.h" |
8 |
|
9 |
#include "schmorp.h" |
10 |
|
11 |
#include <stddef.h> |
12 |
#include <stdlib.h> |
13 |
#include <errno.h> |
14 |
#include <sys/types.h> |
15 |
#include <sys/stat.h> |
16 |
#include <limits.h> |
17 |
#include <fcntl.h> |
18 |
#include <sched.h> |
19 |
|
20 |
#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
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 |
31 |
#endif |
32 |
|
33 |
/* perl namespace pollution */ |
34 |
#undef VERSION |
35 |
|
36 |
/* perl stupidly overrides readdir and maybe others */ |
37 |
/* with thread-unsafe versions, imagine that :( */ |
38 |
#undef readdir |
39 |
#undef opendir |
40 |
#undef closedir |
41 |
|
42 |
#ifdef _WIN32 |
43 |
|
44 |
// perl overrides all those nice libc functions |
45 |
|
46 |
#undef malloc |
47 |
#undef free |
48 |
#undef open |
49 |
#undef read |
50 |
#undef write |
51 |
#undef send |
52 |
#undef recv |
53 |
#undef stat |
54 |
#undef lstat |
55 |
#undef fstat |
56 |
#undef truncate |
57 |
#undef ftruncate |
58 |
#undef open |
59 |
#undef link |
60 |
#undef close |
61 |
#undef unlink |
62 |
#undef mkdir |
63 |
#undef rmdir |
64 |
#undef rename |
65 |
#undef lseek |
66 |
#undef opendir |
67 |
#undef readdir |
68 |
#undef closedir |
69 |
#undef chmod |
70 |
#undef fchmod |
71 |
#undef dup |
72 |
#undef dup2 |
73 |
#undef abort |
74 |
#undef pipe |
75 |
|
76 |
#define EIO_STRUCT_STAT struct _stati64 |
77 |
#define EIO_STRUCT_STATI64 |
78 |
|
79 |
#else |
80 |
|
81 |
#include <sys/time.h> |
82 |
#include <sys/select.h> |
83 |
#include <unistd.h> |
84 |
#include <utime.h> |
85 |
#include <signal.h> |
86 |
|
87 |
#define EIO_STRUCT_STAT Stat_t |
88 |
|
89 |
#endif |
90 |
|
91 |
/*****************************************************************************/ |
92 |
|
93 |
#if __GNUC__ >= 3 |
94 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
95 |
#else |
96 |
# define expect(expr,value) (expr) |
97 |
#endif |
98 |
|
99 |
#define expect_false(expr) expect ((expr) != 0, 0) |
100 |
#define expect_true(expr) expect ((expr) != 0, 1) |
101 |
|
102 |
/*****************************************************************************/ |
103 |
|
104 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
105 |
typedef int aio_rfd; /* read file desriptor */ |
106 |
typedef int aio_wfd; /* write file descriptor */ |
107 |
|
108 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
109 |
|
110 |
#define EIO_REQ_MEMBERS \ |
111 |
SV *callback; \ |
112 |
SV *sv1, *sv2; \ |
113 |
SV *sv3, *sv4; \ |
114 |
STRLEN stroffset; \ |
115 |
SV *self; |
116 |
|
117 |
#define EIO_NO_WRAPPERS 1 |
118 |
|
119 |
#include "libeio/config.h" |
120 |
#include "libeio/eio.h" |
121 |
|
122 |
static int req_invoke (eio_req *req); |
123 |
#define EIO_FINISH(req) req_invoke (req) |
124 |
static void req_destroy (eio_req *grp); |
125 |
#define EIO_DESTROY(req) req_destroy (req) |
126 |
|
127 |
#include "libeio/eio.c" |
128 |
|
129 |
#if !HAVE_POSIX_FADVISE |
130 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
131 |
#endif |
132 |
|
133 |
#if !HAVE_POSIX_MADVISE |
134 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
135 |
#endif |
136 |
|
137 |
#ifndef MAP_ANONYMOUS |
138 |
# ifdef MAP_ANON |
139 |
# define MAP_ANONYMOUS MAP_ANON |
140 |
# else |
141 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
142 |
# endif |
143 |
#endif |
144 |
|
145 |
/* defines all sorts of constants to 0 unless they are already defined */ |
146 |
#include "def0.h" |
147 |
|
148 |
#ifndef makedev |
149 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
150 |
#endif |
151 |
#ifndef major |
152 |
# define major(dev) ((dev) >> 8) |
153 |
#endif |
154 |
#ifndef minor |
155 |
# define minor(dev) ((dev) & 0xff) |
156 |
#endif |
157 |
|
158 |
#if PAGESIZE <= 0 |
159 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
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) < 0) |
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) < 0) |
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 |
/*****************************************************************************/ |
258 |
|
259 |
enum { |
260 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
261 |
}; |
262 |
|
263 |
typedef eio_req *aio_req; |
264 |
typedef eio_req *aio_req_ornot; |
265 |
typedef eio_wd aio_wd; |
266 |
|
267 |
static SV *on_next_submit; |
268 |
static int next_pri = EIO_PRI_DEFAULT; |
269 |
static int max_outstanding; |
270 |
|
271 |
static s_epipe respipe; |
272 |
|
273 |
static void req_destroy (aio_req req); |
274 |
static void req_cancel (aio_req req); |
275 |
|
276 |
static void |
277 |
want_poll (void) |
278 |
{ |
279 |
/* write a dummy byte to the pipe so fh becomes ready */ |
280 |
s_epipe_signal (&respipe); |
281 |
} |
282 |
|
283 |
static void |
284 |
done_poll (void) |
285 |
{ |
286 |
/* read any signals sent by the worker threads */ |
287 |
s_epipe_drain (&respipe); |
288 |
} |
289 |
|
290 |
/* must be called at most once */ |
291 |
static SV * |
292 |
req_sv (aio_req req, HV *stash) |
293 |
{ |
294 |
if (!req->self) |
295 |
{ |
296 |
req->self = (SV *)newHV (); |
297 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
298 |
} |
299 |
|
300 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
301 |
} |
302 |
|
303 |
static SV * |
304 |
newSVaio_wd (aio_wd wd) |
305 |
{ |
306 |
return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
307 |
} |
308 |
|
309 |
static aio_req |
310 |
SvAIO_REQ (SV *sv) |
311 |
{ |
312 |
MAGIC *mg; |
313 |
|
314 |
if (!SvROK (sv) |
315 |
/* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
316 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
317 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
318 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
319 |
croak ("object of class IO::AIO::REQ expected"); |
320 |
|
321 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
322 |
|
323 |
return mg ? (aio_req)mg->mg_ptr : 0; |
324 |
} |
325 |
|
326 |
static aio_wd |
327 |
SvAIO_WD (SV *sv) |
328 |
{ |
329 |
if (!SvROK (sv) |
330 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG |
331 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash) |
332 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
333 |
|
334 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
335 |
} |
336 |
|
337 |
static void |
338 |
aio_grp_feed (aio_req grp) |
339 |
{ |
340 |
if (grp->sv2 && SvOK (grp->sv2)) |
341 |
{ |
342 |
dSP; |
343 |
|
344 |
ENTER; |
345 |
SAVETMPS; |
346 |
PUSHMARK (SP); |
347 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
348 |
PUTBACK; |
349 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
350 |
SPAGAIN; |
351 |
FREETMPS; |
352 |
LEAVE; |
353 |
} |
354 |
} |
355 |
|
356 |
static void |
357 |
req_submit (eio_req *req) |
358 |
{ |
359 |
eio_submit (req); |
360 |
|
361 |
if (expect_false (on_next_submit)) |
362 |
{ |
363 |
dSP; |
364 |
SV *cb = sv_2mortal (on_next_submit); |
365 |
|
366 |
on_next_submit = 0; |
367 |
|
368 |
PUSHMARK (SP); |
369 |
PUTBACK; |
370 |
call_sv (cb, G_DISCARD | G_EVAL); |
371 |
} |
372 |
} |
373 |
|
374 |
static int |
375 |
req_invoke (eio_req *req) |
376 |
{ |
377 |
if (req->flags & FLAG_SV2_RO_OFF) |
378 |
SvREADONLY_off (req->sv2); |
379 |
|
380 |
if (!EIO_CANCELLED (req) && req->callback) |
381 |
{ |
382 |
dSP; |
383 |
static SV *sv_result_cache; /* caches the result integer SV */ |
384 |
SV *sv_result; |
385 |
|
386 |
ENTER; |
387 |
SAVETMPS; |
388 |
PUSHMARK (SP); |
389 |
EXTEND (SP, 1); |
390 |
|
391 |
/* do not recreate the result IV from scratch each time */ |
392 |
if (expect_true (sv_result_cache)) |
393 |
{ |
394 |
sv_result = sv_result_cache; sv_result_cache = 0; |
395 |
SvIV_set (sv_result, req->result); |
396 |
SvIOK_only (sv_result); |
397 |
} |
398 |
else |
399 |
{ |
400 |
sv_result = newSViv (req->result); |
401 |
SvREADONLY_on (sv_result); |
402 |
} |
403 |
|
404 |
switch (req->type) |
405 |
{ |
406 |
case EIO_WD_OPEN: |
407 |
PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
408 |
break; |
409 |
|
410 |
case EIO_READDIR: |
411 |
{ |
412 |
SV *rv = &PL_sv_undef; |
413 |
|
414 |
if (req->result >= 0) |
415 |
{ |
416 |
int i; |
417 |
char *names = (char *)req->ptr2; |
418 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
419 |
AV *av = newAV (); |
420 |
|
421 |
av_extend (av, req->result - 1); |
422 |
|
423 |
for (i = 0; i < req->result; ++i) |
424 |
{ |
425 |
if (req->int1 & EIO_READDIR_DENTS) |
426 |
{ |
427 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
428 |
|
429 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
430 |
{ |
431 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
432 |
AV *avent = newAV (); |
433 |
|
434 |
av_extend (avent, 2); |
435 |
|
436 |
if (!sv_type [ent->type]) |
437 |
{ |
438 |
sv_type [ent->type] = newSViv (ent->type); |
439 |
SvREADONLY_on (sv_type [ent->type]); |
440 |
} |
441 |
|
442 |
av_store (avent, 0, namesv); |
443 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
444 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
445 |
|
446 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
447 |
} |
448 |
else |
449 |
av_store (av, i, namesv); |
450 |
|
451 |
++ent; |
452 |
} |
453 |
else |
454 |
{ |
455 |
SV *name = newSVpv (names, 0); |
456 |
av_store (av, i, name); |
457 |
names += SvCUR (name) + 1; |
458 |
} |
459 |
} |
460 |
|
461 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
462 |
} |
463 |
|
464 |
PUSHs (rv); |
465 |
|
466 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
467 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
468 |
} |
469 |
break; |
470 |
|
471 |
case EIO_OPEN: |
472 |
{ |
473 |
/* convert fd to fh */ |
474 |
SV *fh = &PL_sv_undef; |
475 |
|
476 |
if (req->result >= 0) |
477 |
{ |
478 |
GV *gv = (GV *)sv_newmortal (); |
479 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
480 |
char sym [64]; |
481 |
int symlen; |
482 |
|
483 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
484 |
gv_init (gv, aio_stash, sym, symlen, 0); |
485 |
|
486 |
symlen = snprintf ( |
487 |
sym, |
488 |
sizeof (sym), |
489 |
"%s&=%d", |
490 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
491 |
(int)req->result |
492 |
); |
493 |
|
494 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
495 |
fh = (SV *)gv; |
496 |
} |
497 |
|
498 |
PUSHs (fh); |
499 |
} |
500 |
break; |
501 |
|
502 |
case EIO_STATVFS: |
503 |
case EIO_FSTATVFS: |
504 |
{ |
505 |
SV *rv = &PL_sv_undef; |
506 |
|
507 |
#ifndef _WIN32 |
508 |
if (req->result >= 0) |
509 |
{ |
510 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
511 |
HV *hv = newHV (); |
512 |
/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
513 |
* chooses to make it a struct. |
514 |
*/ |
515 |
unsigned long fsid = 0; |
516 |
memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
517 |
|
518 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
519 |
|
520 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
521 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
522 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
523 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
524 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
525 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
526 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
527 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
528 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
529 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
530 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
531 |
} |
532 |
#endif |
533 |
|
534 |
PUSHs (rv); |
535 |
} |
536 |
|
537 |
break; |
538 |
|
539 |
case EIO_GROUP: |
540 |
req->int1 = 2; /* mark group as finished */ |
541 |
|
542 |
if (req->sv1) |
543 |
{ |
544 |
int i; |
545 |
AV *av = (AV *)req->sv1; |
546 |
|
547 |
EXTEND (SP, AvFILL (av) + 1); |
548 |
for (i = 0; i <= AvFILL (av); ++i) |
549 |
PUSHs (*av_fetch (av, i, 0)); |
550 |
} |
551 |
break; |
552 |
|
553 |
case EIO_NOP: |
554 |
case EIO_BUSY: |
555 |
break; |
556 |
|
557 |
case EIO_READLINK: |
558 |
case EIO_REALPATH: |
559 |
if (req->result > 0) |
560 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
561 |
break; |
562 |
|
563 |
case EIO_STAT: |
564 |
case EIO_LSTAT: |
565 |
case EIO_FSTAT: |
566 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
567 |
|
568 |
if (!(PL_laststatval = req->result)) |
569 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
570 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
571 |
|
572 |
PUSHs (sv_result); |
573 |
break; |
574 |
|
575 |
case EIO_SEEK: |
576 |
PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
577 |
break; |
578 |
|
579 |
case EIO_READ: |
580 |
{ |
581 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
582 |
*SvEND (req->sv2) = 0; |
583 |
SvPOK_only (req->sv2); |
584 |
SvSETMAGIC (req->sv2); |
585 |
PUSHs (sv_result); |
586 |
} |
587 |
break; |
588 |
|
589 |
case EIO_CUSTOM: |
590 |
if (req->feed == fiemap) |
591 |
{ |
592 |
#if HAVE_FIEMAP |
593 |
if (!req->result) |
594 |
{ |
595 |
struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
596 |
|
597 |
if (fiemap->fm_extent_count) |
598 |
{ |
599 |
AV *av = newAV (); |
600 |
int i; |
601 |
|
602 |
while (fiemap->fm_mapped_extents) |
603 |
{ |
604 |
struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
605 |
AV *ext_av = newAV (); |
606 |
|
607 |
av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
608 |
av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
609 |
av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
610 |
av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
611 |
|
612 |
av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
613 |
} |
614 |
|
615 |
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
616 |
} |
617 |
else |
618 |
{ |
619 |
SvIV_set (sv_result, fiemap->fm_mapped_extents); |
620 |
PUSHs (sv_result); |
621 |
} |
622 |
} |
623 |
#endif |
624 |
} |
625 |
else |
626 |
PUSHs (sv_result); |
627 |
break; |
628 |
|
629 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
630 |
if (req->result > 0) |
631 |
SvIV_set (sv_result, 0); |
632 |
/* FALLTHROUGH */ |
633 |
|
634 |
default: |
635 |
PUSHs (sv_result); |
636 |
break; |
637 |
} |
638 |
|
639 |
errno = req->errorno; |
640 |
|
641 |
PUTBACK; |
642 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
643 |
SPAGAIN; |
644 |
|
645 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
646 |
SvREFCNT_dec (sv_result); |
647 |
else |
648 |
sv_result_cache = sv_result; |
649 |
|
650 |
FREETMPS; |
651 |
LEAVE; |
652 |
|
653 |
PUTBACK; |
654 |
} |
655 |
|
656 |
return !!SvTRUE (ERRSV); |
657 |
} |
658 |
|
659 |
static void |
660 |
req_destroy (aio_req req) |
661 |
{ |
662 |
if (req->self) |
663 |
{ |
664 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
665 |
SvREFCNT_dec (req->self); |
666 |
} |
667 |
|
668 |
SvREFCNT_dec (req->sv1); |
669 |
SvREFCNT_dec (req->sv2); |
670 |
SvREFCNT_dec (req->sv3); |
671 |
SvREFCNT_dec (req->sv4); |
672 |
SvREFCNT_dec (req->callback); |
673 |
|
674 |
free (req); |
675 |
} |
676 |
|
677 |
static void |
678 |
req_cancel_subs (aio_req grp) |
679 |
{ |
680 |
if (grp->type != EIO_GROUP) |
681 |
return; |
682 |
|
683 |
SvREFCNT_dec (grp->sv2); |
684 |
grp->sv2 = 0; |
685 |
|
686 |
eio_grp_cancel (grp); |
687 |
} |
688 |
|
689 |
static void ecb_cold |
690 |
create_respipe (void) |
691 |
{ |
692 |
if (s_epipe_renew (&respipe)) |
693 |
croak ("IO::AIO: unable to initialize result pipe"); |
694 |
} |
695 |
|
696 |
static void |
697 |
poll_wait (void) |
698 |
{ |
699 |
while (eio_nreqs ()) |
700 |
{ |
701 |
int size; |
702 |
|
703 |
X_LOCK (reslock); |
704 |
size = res_queue.size; |
705 |
X_UNLOCK (reslock); |
706 |
|
707 |
if (size) |
708 |
return; |
709 |
|
710 |
etp_maybe_start_thread (); |
711 |
|
712 |
s_epipe_wait (&respipe); |
713 |
} |
714 |
} |
715 |
|
716 |
static int |
717 |
poll_cb (void) |
718 |
{ |
719 |
for (;;) |
720 |
{ |
721 |
int res = eio_poll (); |
722 |
|
723 |
if (res > 0) |
724 |
croak (0); |
725 |
|
726 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
727 |
return res; |
728 |
|
729 |
poll_wait (); |
730 |
} |
731 |
} |
732 |
|
733 |
static void ecb_cold |
734 |
reinit (void) |
735 |
{ |
736 |
create_respipe (); |
737 |
|
738 |
if (eio_init (want_poll, done_poll) < 0) |
739 |
croak ("IO::AIO: unable to initialise eio library"); |
740 |
} |
741 |
|
742 |
/*****************************************************************************/ |
743 |
|
744 |
#if !_POSIX_MAPPED_FILES |
745 |
# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
746 |
# define munmap(addr,length) EIO_ENOSYS () |
747 |
#endif |
748 |
|
749 |
#if !_POSIX_MEMORY_PROTECTION |
750 |
# define mprotect(addr,len,prot) EIO_ENOSYS () |
751 |
# define PROT_NONE 0 |
752 |
# define PROT_WRITE 0 |
753 |
# define MAP_PRIVATE 0 |
754 |
# define MAP_SHARED 0 |
755 |
# define MAP_FIXED 0 |
756 |
#endif |
757 |
|
758 |
#define MMAP_MAGIC PERL_MAGIC_ext |
759 |
|
760 |
static int ecb_cold |
761 |
mmap_free (pTHX_ SV *sv, MAGIC *mg) |
762 |
{ |
763 |
int old_errno = errno; |
764 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
765 |
errno = old_errno; |
766 |
|
767 |
mg->mg_obj = 0; /* just in case */ |
768 |
|
769 |
SvREADONLY_off (sv); |
770 |
|
771 |
if (SvPVX (sv) != mg->mg_ptr) |
772 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
773 |
|
774 |
SvCUR_set (sv, 0); |
775 |
SvPVX (sv) = 0; |
776 |
SvOK_off (sv); |
777 |
|
778 |
return 0; |
779 |
} |
780 |
|
781 |
static MGVTBL mmap_vtbl = { |
782 |
0, 0, 0, 0, mmap_free |
783 |
}; |
784 |
|
785 |
/*****************************************************************************/ |
786 |
|
787 |
static SV * |
788 |
get_cb (SV *cb_sv) |
789 |
{ |
790 |
SvGETMAGIC (cb_sv); |
791 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
792 |
} |
793 |
|
794 |
static aio_req ecb_noinline |
795 |
dreq (SV *callback) |
796 |
{ |
797 |
SV *cb_cv; |
798 |
aio_req req; |
799 |
int req_pri = next_pri; |
800 |
next_pri = EIO_PRI_DEFAULT; |
801 |
|
802 |
cb_cv = get_cb (callback); |
803 |
|
804 |
req = calloc (sizeof (*req), 1); |
805 |
if (!req) |
806 |
croak ("out of memory during eio_req allocation"); |
807 |
|
808 |
req->callback = SvREFCNT_inc (cb_cv); |
809 |
req->pri = req_pri; |
810 |
|
811 |
return req; |
812 |
} |
813 |
|
814 |
#define dREQ \ |
815 |
aio_req req = dreq (callback); \ |
816 |
|
817 |
#define REQ_SEND \ |
818 |
PUTBACK; \ |
819 |
req_submit (req); \ |
820 |
SPAGAIN; \ |
821 |
\ |
822 |
if (GIMME_V != G_VOID) \ |
823 |
XPUSHs (req_sv (req, aio_req_stash)); |
824 |
|
825 |
ecb_inline void |
826 |
req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
827 |
{ |
828 |
if (expect_false (SvROK (path))) |
829 |
{ |
830 |
SV *rv = SvRV (path); |
831 |
SV *wdob; |
832 |
|
833 |
if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
834 |
{ |
835 |
path = AvARRAY (rv)[1]; |
836 |
wdob = AvARRAY (rv)[0]; |
837 |
|
838 |
if (SvOK (wdob)) |
839 |
{ |
840 |
*wd = SvAIO_WD (wdob); |
841 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
842 |
} |
843 |
else |
844 |
*wd = EIO_INVALID_WD; |
845 |
} |
846 |
else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
847 |
{ |
848 |
*wd = (aio_wd)(long)SvIVX (rv); |
849 |
*wdsv = SvREFCNT_inc_NN (rv); |
850 |
*ptr = "."; |
851 |
return; /* path set to "." */ |
852 |
} |
853 |
else |
854 |
croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
855 |
} |
856 |
|
857 |
*pathsv = newSVsv (path); |
858 |
*ptr = SvPVbyte_nolen (*pathsv); |
859 |
} |
860 |
|
861 |
static void ecb_noinline |
862 |
req_set_path1 (aio_req req, SV *path) |
863 |
{ |
864 |
req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
865 |
} |
866 |
|
867 |
static void ecb_noinline |
868 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
869 |
{ |
870 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
871 |
|
872 |
switch (SvTYPE (rv)) |
873 |
{ |
874 |
case SVt_PVIO: |
875 |
case SVt_PVLV: |
876 |
case SVt_PVGV: |
877 |
req->type = type_fh; |
878 |
req->sv1 = newSVsv (fh_or_path); |
879 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
880 |
break; |
881 |
|
882 |
default: |
883 |
req->type = type_path; |
884 |
req_set_path1 (req, fh_or_path); |
885 |
break; |
886 |
} |
887 |
} |
888 |
|
889 |
XS(boot_IO__AIO) ecb_cold; |
890 |
|
891 |
MODULE = IO::AIO PACKAGE = IO::AIO |
892 |
|
893 |
PROTOTYPES: ENABLE |
894 |
|
895 |
BOOT: |
896 |
{ |
897 |
static const struct { |
898 |
const char *name; |
899 |
IV iv; |
900 |
} *civ, const_iv[] = { |
901 |
# define const_niv(name, value) { # name, (IV) value }, |
902 |
# define const_iv(name) { # name, (IV) name }, |
903 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
904 |
|
905 |
/* you have to re-run ./gendef0 after adding/Removing any constants here */ |
906 |
|
907 |
const_iv (ENOSYS) |
908 |
const_iv (EXDEV) |
909 |
const_iv (EBADR) |
910 |
|
911 |
const_iv (O_RDONLY) |
912 |
const_iv (O_WRONLY) |
913 |
const_iv (O_RDWR) |
914 |
const_iv (O_CREAT) |
915 |
const_iv (O_TRUNC) |
916 |
const_iv (O_EXCL) |
917 |
const_iv (O_APPEND) |
918 |
|
919 |
const_iv (O_ASYNC) |
920 |
const_iv (O_DIRECT) |
921 |
const_iv (O_NOATIME) |
922 |
|
923 |
const_iv (O_CLOEXEC) |
924 |
const_iv (O_NOCTTY) |
925 |
const_iv (O_NOFOLLOW) |
926 |
const_iv (O_NONBLOCK) |
927 |
const_iv (O_EXEC) |
928 |
const_iv (O_SEARCH) |
929 |
const_iv (O_DIRECTORY) |
930 |
const_iv (O_DSYNC) |
931 |
const_iv (O_RSYNC) |
932 |
const_iv (O_SYNC) |
933 |
const_iv (O_TTY_INIT) |
934 |
|
935 |
const_iv (S_IFIFO) |
936 |
const_iv (S_IFCHR) |
937 |
const_iv (S_IFBLK) |
938 |
const_iv (S_IFLNK) |
939 |
const_iv (S_IFREG) |
940 |
const_iv (S_IFDIR) |
941 |
const_iv (S_IFWHT) |
942 |
const_iv (S_IFSOCK) |
943 |
const_iv (S_IFMT) |
944 |
|
945 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
946 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
947 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
948 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
949 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
950 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
951 |
|
952 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
953 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
954 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
955 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
956 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
957 |
|
958 |
const_iv (ST_RDONLY) |
959 |
const_iv (ST_NOSUID) |
960 |
const_iv (ST_NODEV) |
961 |
const_iv (ST_NOEXEC) |
962 |
const_iv (ST_SYNCHRONOUS) |
963 |
const_iv (ST_MANDLOCK) |
964 |
const_iv (ST_WRITE) |
965 |
const_iv (ST_APPEND) |
966 |
const_iv (ST_IMMUTABLE) |
967 |
const_iv (ST_NOATIME) |
968 |
const_iv (ST_NODIRATIME) |
969 |
const_iv (ST_RELATIME) |
970 |
|
971 |
const_iv (PROT_NONE) |
972 |
const_iv (PROT_EXEC) |
973 |
const_iv (PROT_READ) |
974 |
const_iv (PROT_WRITE) |
975 |
|
976 |
/*const_iv (MAP_FIXED)*/ |
977 |
const_iv (MAP_PRIVATE) |
978 |
const_iv (MAP_SHARED) |
979 |
const_iv (MAP_ANONYMOUS) |
980 |
|
981 |
/* linuxish */ |
982 |
const_iv (MAP_HUGETLB) |
983 |
const_iv (MAP_LOCKED) |
984 |
const_iv (MAP_NORESERVE) |
985 |
const_iv (MAP_POPULATE) |
986 |
const_iv (MAP_NONBLOCK) |
987 |
|
988 |
const_iv (FIEMAP_FLAG_SYNC) |
989 |
const_iv (FIEMAP_FLAG_XATTR) |
990 |
const_iv (FIEMAP_FLAGS_COMPAT) |
991 |
const_iv (FIEMAP_EXTENT_LAST) |
992 |
const_iv (FIEMAP_EXTENT_UNKNOWN) |
993 |
const_iv (FIEMAP_EXTENT_DELALLOC) |
994 |
const_iv (FIEMAP_EXTENT_ENCODED) |
995 |
const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
996 |
const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
997 |
const_iv (FIEMAP_EXTENT_DATA_INLINE) |
998 |
const_iv (FIEMAP_EXTENT_DATA_TAIL) |
999 |
const_iv (FIEMAP_EXTENT_UNWRITTEN) |
1000 |
const_iv (FIEMAP_EXTENT_MERGED) |
1001 |
const_iv (FIEMAP_EXTENT_SHARED) |
1002 |
|
1003 |
const_iv (SPLICE_F_MOVE) |
1004 |
const_iv (SPLICE_F_NONBLOCK) |
1005 |
const_iv (SPLICE_F_MORE) |
1006 |
const_iv (SPLICE_F_GIFT) |
1007 |
|
1008 |
const_iv (SEEK_DATA) |
1009 |
const_iv (SEEK_HOLE) |
1010 |
|
1011 |
/* libeio constants */ |
1012 |
const_eio (SEEK_SET) |
1013 |
const_eio (SEEK_CUR) |
1014 |
const_eio (SEEK_END) |
1015 |
|
1016 |
const_eio (MCL_FUTURE) |
1017 |
const_eio (MCL_CURRENT) |
1018 |
|
1019 |
const_eio (MS_ASYNC) |
1020 |
const_eio (MS_INVALIDATE) |
1021 |
const_eio (MS_SYNC) |
1022 |
|
1023 |
const_eio (MT_MODIFY) |
1024 |
|
1025 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1026 |
const_eio (SYNC_FILE_RANGE_WRITE) |
1027 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1028 |
|
1029 |
const_eio (FALLOC_FL_KEEP_SIZE) |
1030 |
const_eio (FALLOC_FL_PUNCH_HOLE) |
1031 |
|
1032 |
const_eio (READDIR_DENTS) |
1033 |
const_eio (READDIR_DIRS_FIRST) |
1034 |
const_eio (READDIR_STAT_ORDER) |
1035 |
const_eio (READDIR_FOUND_UNKNOWN) |
1036 |
|
1037 |
const_eio (DT_UNKNOWN) |
1038 |
const_eio (DT_FIFO) |
1039 |
const_eio (DT_CHR) |
1040 |
const_eio (DT_DIR) |
1041 |
const_eio (DT_BLK) |
1042 |
const_eio (DT_REG) |
1043 |
const_eio (DT_LNK) |
1044 |
const_eio (DT_SOCK) |
1045 |
const_eio (DT_WHT) |
1046 |
}; |
1047 |
|
1048 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
1049 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1050 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1051 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1052 |
|
1053 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1054 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1055 |
|
1056 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1057 |
|
1058 |
reinit (); |
1059 |
} |
1060 |
|
1061 |
void |
1062 |
reinit () |
1063 |
PROTOTYPE: |
1064 |
|
1065 |
void |
1066 |
max_poll_reqs (unsigned int nreqs) |
1067 |
PROTOTYPE: $ |
1068 |
CODE: |
1069 |
eio_set_max_poll_reqs (nreqs); |
1070 |
|
1071 |
void |
1072 |
max_poll_time (double nseconds) |
1073 |
PROTOTYPE: $ |
1074 |
CODE: |
1075 |
eio_set_max_poll_time (nseconds); |
1076 |
|
1077 |
void |
1078 |
min_parallel (unsigned int nthreads) |
1079 |
PROTOTYPE: $ |
1080 |
CODE: |
1081 |
eio_set_min_parallel (nthreads); |
1082 |
|
1083 |
void |
1084 |
max_parallel (unsigned int nthreads) |
1085 |
PROTOTYPE: $ |
1086 |
CODE: |
1087 |
eio_set_max_parallel (nthreads); |
1088 |
|
1089 |
void |
1090 |
max_idle (unsigned int nthreads) |
1091 |
PROTOTYPE: $ |
1092 |
CODE: |
1093 |
eio_set_max_idle (nthreads); |
1094 |
|
1095 |
void |
1096 |
idle_timeout (unsigned int seconds) |
1097 |
PROTOTYPE: $ |
1098 |
CODE: |
1099 |
eio_set_idle_timeout (seconds); |
1100 |
|
1101 |
void |
1102 |
max_outstanding (unsigned int maxreqs) |
1103 |
PROTOTYPE: $ |
1104 |
CODE: |
1105 |
max_outstanding = maxreqs; |
1106 |
|
1107 |
void |
1108 |
aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
1109 |
PPCODE: |
1110 |
{ |
1111 |
dREQ; |
1112 |
|
1113 |
req->type = EIO_WD_OPEN; |
1114 |
req_set_path1 (req, pathname); |
1115 |
|
1116 |
REQ_SEND; |
1117 |
} |
1118 |
|
1119 |
void |
1120 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1121 |
PPCODE: |
1122 |
{ |
1123 |
dREQ; |
1124 |
|
1125 |
req->type = EIO_OPEN; |
1126 |
req_set_path1 (req, pathname); |
1127 |
req->int1 = flags; |
1128 |
req->int2 = mode; |
1129 |
|
1130 |
REQ_SEND; |
1131 |
} |
1132 |
|
1133 |
void |
1134 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1135 |
ALIAS: |
1136 |
aio_fsync = EIO_FSYNC |
1137 |
aio_fdatasync = EIO_FDATASYNC |
1138 |
aio_syncfs = EIO_SYNCFS |
1139 |
PPCODE: |
1140 |
{ |
1141 |
int fd = s_fileno_croak (fh, 0); |
1142 |
dREQ; |
1143 |
|
1144 |
req->type = ix; |
1145 |
req->sv1 = newSVsv (fh); |
1146 |
req->int1 = fd; |
1147 |
|
1148 |
REQ_SEND; |
1149 |
} |
1150 |
|
1151 |
void |
1152 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1153 |
PPCODE: |
1154 |
{ |
1155 |
int fd = s_fileno_croak (fh, 0); |
1156 |
dREQ; |
1157 |
|
1158 |
req->type = EIO_SYNC_FILE_RANGE; |
1159 |
req->sv1 = newSVsv (fh); |
1160 |
req->int1 = fd; |
1161 |
req->offs = offset; |
1162 |
req->size = nbytes; |
1163 |
req->int2 = flags; |
1164 |
|
1165 |
REQ_SEND; |
1166 |
} |
1167 |
|
1168 |
void |
1169 |
aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1170 |
PPCODE: |
1171 |
{ |
1172 |
int fd = s_fileno_croak (fh, 0); |
1173 |
dREQ; |
1174 |
|
1175 |
req->type = EIO_FALLOCATE; |
1176 |
req->sv1 = newSVsv (fh); |
1177 |
req->int1 = fd; |
1178 |
req->int2 = mode; |
1179 |
req->offs = offset; |
1180 |
req->size = len; |
1181 |
|
1182 |
REQ_SEND; |
1183 |
} |
1184 |
|
1185 |
void |
1186 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1187 |
PPCODE: |
1188 |
{ |
1189 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
1190 |
int fd = s_fileno_croak (fh, 0); |
1191 |
dREQ; |
1192 |
|
1193 |
if (expect_false (close_fd < 0)) |
1194 |
{ |
1195 |
int pipefd [2]; |
1196 |
|
1197 |
if ( |
1198 |
#ifdef _WIN32 |
1199 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1200 |
#else |
1201 |
pipe (pipefd) < 0 |
1202 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1203 |
#endif |
1204 |
|| close (pipefd [1]) < 0 |
1205 |
) |
1206 |
abort (); /*D*/ |
1207 |
|
1208 |
close_fd = pipefd [0]; |
1209 |
} |
1210 |
|
1211 |
req->type = EIO_DUP2; |
1212 |
req->int1 = close_fd; |
1213 |
req->sv2 = newSVsv (fh); |
1214 |
req->int2 = fd; |
1215 |
|
1216 |
REQ_SEND; |
1217 |
} |
1218 |
|
1219 |
void |
1220 |
aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1221 |
PPCODE: |
1222 |
{ |
1223 |
int fd = s_fileno_croak (fh, 0); |
1224 |
dREQ; |
1225 |
|
1226 |
req->type = EIO_SEEK; |
1227 |
req->sv1 = newSVsv (fh); |
1228 |
req->int1 = fd; |
1229 |
req->offs = SvVAL64 (offset); |
1230 |
req->int2 = whence; |
1231 |
|
1232 |
REQ_SEND; |
1233 |
} |
1234 |
|
1235 |
void |
1236 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1237 |
ALIAS: |
1238 |
aio_read = EIO_READ |
1239 |
aio_write = EIO_WRITE |
1240 |
PPCODE: |
1241 |
{ |
1242 |
STRLEN svlen; |
1243 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1244 |
char *svptr = SvPVbyte (data, svlen); |
1245 |
UV len = SvUV (length); |
1246 |
|
1247 |
if (dataoffset < 0) |
1248 |
dataoffset += svlen; |
1249 |
|
1250 |
if (dataoffset < 0 || dataoffset > svlen) |
1251 |
croak ("dataoffset outside of data scalar"); |
1252 |
|
1253 |
if (ix == EIO_WRITE) |
1254 |
{ |
1255 |
/* write: check length and adjust. */ |
1256 |
if (!SvOK (length) || len + dataoffset > svlen) |
1257 |
len = svlen - dataoffset; |
1258 |
} |
1259 |
else |
1260 |
{ |
1261 |
/* read: check type and grow scalar as necessary */ |
1262 |
SvUPGRADE (data, SVt_PV); |
1263 |
if (SvLEN (data) >= SvCUR (data)) |
1264 |
svptr = SvGROW (data, len + dataoffset + 1); |
1265 |
else if (SvCUR (data) < len + dataoffset) |
1266 |
croak ("length + dataoffset outside of scalar, and cannot grow"); |
1267 |
} |
1268 |
|
1269 |
{ |
1270 |
dREQ; |
1271 |
|
1272 |
req->type = ix; |
1273 |
req->sv1 = newSVsv (fh); |
1274 |
req->int1 = fd; |
1275 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1276 |
req->size = len; |
1277 |
req->sv2 = SvREFCNT_inc (data); |
1278 |
req->ptr2 = (char *)svptr + dataoffset; |
1279 |
req->stroffset = dataoffset; |
1280 |
|
1281 |
if (!SvREADONLY (data)) |
1282 |
{ |
1283 |
SvREADONLY_on (data); |
1284 |
req->flags |= FLAG_SV2_RO_OFF; |
1285 |
} |
1286 |
|
1287 |
REQ_SEND; |
1288 |
} |
1289 |
} |
1290 |
|
1291 |
void |
1292 |
aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1293 |
ALIAS: |
1294 |
aio_readlink = EIO_READLINK |
1295 |
aio_realpath = EIO_REALPATH |
1296 |
PPCODE: |
1297 |
{ |
1298 |
dREQ; |
1299 |
|
1300 |
req->type = ix; |
1301 |
req_set_path1 (req, pathname); |
1302 |
|
1303 |
REQ_SEND; |
1304 |
} |
1305 |
|
1306 |
void |
1307 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1308 |
PPCODE: |
1309 |
{ |
1310 |
int ifd = s_fileno_croak (in_fh , 0); |
1311 |
int ofd = s_fileno_croak (out_fh, 1); |
1312 |
dREQ; |
1313 |
|
1314 |
req->type = EIO_SENDFILE; |
1315 |
req->sv1 = newSVsv (out_fh); |
1316 |
req->int1 = ofd; |
1317 |
req->sv2 = newSVsv (in_fh); |
1318 |
req->int2 = ifd; |
1319 |
req->offs = in_offset; |
1320 |
req->size = length; |
1321 |
|
1322 |
REQ_SEND; |
1323 |
} |
1324 |
|
1325 |
void |
1326 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1327 |
PPCODE: |
1328 |
{ |
1329 |
int fd = s_fileno_croak (fh, 0); |
1330 |
dREQ; |
1331 |
|
1332 |
req->type = EIO_READAHEAD; |
1333 |
req->sv1 = newSVsv (fh); |
1334 |
req->int1 = fd; |
1335 |
req->offs = offset; |
1336 |
req->size = length; |
1337 |
|
1338 |
REQ_SEND; |
1339 |
} |
1340 |
|
1341 |
void |
1342 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1343 |
ALIAS: |
1344 |
aio_stat = EIO_STAT |
1345 |
aio_lstat = EIO_LSTAT |
1346 |
aio_statvfs = EIO_STATVFS |
1347 |
PPCODE: |
1348 |
{ |
1349 |
dREQ; |
1350 |
|
1351 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1352 |
|
1353 |
REQ_SEND; |
1354 |
} |
1355 |
|
1356 |
UV |
1357 |
major (UV dev) |
1358 |
ALIAS: |
1359 |
minor = 1 |
1360 |
CODE: |
1361 |
RETVAL = ix ? major (dev) : minor (dev); |
1362 |
OUTPUT: |
1363 |
RETVAL |
1364 |
|
1365 |
UV |
1366 |
makedev (UV maj, UV min) |
1367 |
CODE: |
1368 |
RETVAL = makedev (maj, min); |
1369 |
OUTPUT: |
1370 |
RETVAL |
1371 |
|
1372 |
void |
1373 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1374 |
PPCODE: |
1375 |
{ |
1376 |
dREQ; |
1377 |
|
1378 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1379 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1380 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1381 |
|
1382 |
REQ_SEND; |
1383 |
} |
1384 |
|
1385 |
void |
1386 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1387 |
PPCODE: |
1388 |
{ |
1389 |
dREQ; |
1390 |
|
1391 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1392 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1393 |
|
1394 |
REQ_SEND; |
1395 |
} |
1396 |
|
1397 |
void |
1398 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1399 |
PPCODE: |
1400 |
{ |
1401 |
dREQ; |
1402 |
|
1403 |
req->int2 = mode; |
1404 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1405 |
|
1406 |
REQ_SEND; |
1407 |
} |
1408 |
|
1409 |
void |
1410 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
1411 |
PPCODE: |
1412 |
{ |
1413 |
dREQ; |
1414 |
|
1415 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1416 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1417 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1418 |
|
1419 |
REQ_SEND; |
1420 |
} |
1421 |
|
1422 |
void |
1423 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1424 |
PPCODE: |
1425 |
{ |
1426 |
dREQ; |
1427 |
|
1428 |
req->type = EIO_READDIR; |
1429 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1430 |
|
1431 |
if (flags & EIO_READDIR_DENTS) |
1432 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1433 |
|
1434 |
req_set_path1 (req, pathname); |
1435 |
|
1436 |
REQ_SEND; |
1437 |
} |
1438 |
|
1439 |
void |
1440 |
aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
1441 |
PPCODE: |
1442 |
{ |
1443 |
dREQ; |
1444 |
|
1445 |
req->type = EIO_MKDIR; |
1446 |
req->int2 = mode; |
1447 |
req_set_path1 (req, pathname); |
1448 |
|
1449 |
REQ_SEND; |
1450 |
} |
1451 |
|
1452 |
void |
1453 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1454 |
ALIAS: |
1455 |
aio_unlink = EIO_UNLINK |
1456 |
aio_rmdir = EIO_RMDIR |
1457 |
aio_readdir = EIO_READDIR |
1458 |
PPCODE: |
1459 |
{ |
1460 |
dREQ; |
1461 |
|
1462 |
req->type = ix; |
1463 |
req_set_path1 (req, pathname); |
1464 |
|
1465 |
REQ_SEND; |
1466 |
} |
1467 |
|
1468 |
void |
1469 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1470 |
ALIAS: |
1471 |
aio_link = EIO_LINK |
1472 |
aio_symlink = EIO_SYMLINK |
1473 |
aio_rename = EIO_RENAME |
1474 |
PPCODE: |
1475 |
{ |
1476 |
eio_wd wd2 = 0; |
1477 |
dREQ; |
1478 |
|
1479 |
req->type = ix; |
1480 |
req_set_path1 (req, oldpath); |
1481 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1482 |
req->int3 = (long)wd2; |
1483 |
|
1484 |
REQ_SEND; |
1485 |
} |
1486 |
|
1487 |
void |
1488 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1489 |
PPCODE: |
1490 |
{ |
1491 |
dREQ; |
1492 |
|
1493 |
req->type = EIO_MKNOD; |
1494 |
req->int2 = (mode_t)mode; |
1495 |
req->offs = dev; |
1496 |
req_set_path1 (req, pathname); |
1497 |
|
1498 |
REQ_SEND; |
1499 |
} |
1500 |
|
1501 |
void |
1502 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1503 |
ALIAS: |
1504 |
aio_mtouch = EIO_MTOUCH |
1505 |
aio_msync = EIO_MSYNC |
1506 |
PPCODE: |
1507 |
{ |
1508 |
STRLEN svlen; |
1509 |
char *svptr = SvPVbyte (data, svlen); |
1510 |
UV len = SvUV (length); |
1511 |
|
1512 |
if (offset < 0) |
1513 |
offset += svlen; |
1514 |
|
1515 |
if (offset < 0 || offset > svlen) |
1516 |
croak ("offset outside of scalar"); |
1517 |
|
1518 |
if (!SvOK (length) || len + offset > svlen) |
1519 |
len = svlen - offset; |
1520 |
|
1521 |
{ |
1522 |
dREQ; |
1523 |
|
1524 |
req->type = ix; |
1525 |
req->sv2 = SvREFCNT_inc (data); |
1526 |
req->ptr2 = (char *)svptr + offset; |
1527 |
req->size = len; |
1528 |
req->int1 = flags; |
1529 |
|
1530 |
REQ_SEND; |
1531 |
} |
1532 |
} |
1533 |
|
1534 |
void |
1535 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
1536 |
PPCODE: |
1537 |
{ |
1538 |
STRLEN svlen; |
1539 |
char *svptr = SvPVbyte (data, svlen); |
1540 |
UV len = SvUV (length); |
1541 |
|
1542 |
if (offset < 0) |
1543 |
offset += svlen; |
1544 |
|
1545 |
if (offset < 0 || offset > svlen) |
1546 |
croak ("offset outside of scalar"); |
1547 |
|
1548 |
if (!SvOK (length) || len + offset > svlen) |
1549 |
len = svlen - offset; |
1550 |
|
1551 |
{ |
1552 |
dREQ; |
1553 |
|
1554 |
req->type = EIO_MLOCK; |
1555 |
req->sv2 = SvREFCNT_inc (data); |
1556 |
req->ptr2 = (char *)svptr + offset; |
1557 |
req->size = len; |
1558 |
|
1559 |
REQ_SEND; |
1560 |
} |
1561 |
} |
1562 |
|
1563 |
void |
1564 |
aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
1565 |
PPCODE: |
1566 |
{ |
1567 |
dREQ; |
1568 |
|
1569 |
req->type = EIO_MLOCKALL; |
1570 |
req->int1 = flags; |
1571 |
|
1572 |
REQ_SEND; |
1573 |
} |
1574 |
|
1575 |
void |
1576 |
aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
1577 |
PPCODE: |
1578 |
{ |
1579 |
int fd = s_fileno_croak (fh, 0); |
1580 |
dREQ; |
1581 |
|
1582 |
req->type = EIO_CUSTOM; |
1583 |
req->sv1 = newSVsv (fh); |
1584 |
req->int1 = fd; |
1585 |
|
1586 |
req->feed = fiemap; |
1587 |
#if HAVE_FIEMAP |
1588 |
/* keep our fingers crossed that the next two types are 64 bit */ |
1589 |
req->offs = start; |
1590 |
req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
1591 |
req->int2 = flags; |
1592 |
req->int3 = SvOK (count) ? SvIV (count) : -1; |
1593 |
#endif |
1594 |
|
1595 |
REQ_SEND; |
1596 |
} |
1597 |
|
1598 |
void |
1599 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1600 |
PPCODE: |
1601 |
{ |
1602 |
dREQ; |
1603 |
|
1604 |
req->type = EIO_BUSY; |
1605 |
req->nv1 = delay < 0. ? 0. : delay; |
1606 |
|
1607 |
REQ_SEND; |
1608 |
} |
1609 |
|
1610 |
void |
1611 |
aio_group (SV *callback=&PL_sv_undef) |
1612 |
PPCODE: |
1613 |
{ |
1614 |
dREQ; |
1615 |
|
1616 |
req->type = EIO_GROUP; |
1617 |
|
1618 |
req_submit (req); |
1619 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1620 |
} |
1621 |
|
1622 |
void |
1623 |
aio_nop (SV *callback=&PL_sv_undef) |
1624 |
ALIAS: |
1625 |
aio_nop = EIO_NOP |
1626 |
aio_sync = EIO_SYNC |
1627 |
PPCODE: |
1628 |
{ |
1629 |
dREQ; |
1630 |
|
1631 |
req->type = ix; |
1632 |
|
1633 |
REQ_SEND; |
1634 |
} |
1635 |
|
1636 |
int |
1637 |
aioreq_pri (int pri = 0) |
1638 |
CODE: |
1639 |
RETVAL = next_pri; |
1640 |
if (items > 0) |
1641 |
{ |
1642 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1643 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1644 |
next_pri = pri; |
1645 |
} |
1646 |
OUTPUT: |
1647 |
RETVAL |
1648 |
|
1649 |
void |
1650 |
aioreq_nice (int nice = 0) |
1651 |
CODE: |
1652 |
nice = next_pri - nice; |
1653 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1654 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1655 |
next_pri = nice; |
1656 |
|
1657 |
void |
1658 |
flush () |
1659 |
CODE: |
1660 |
while (eio_nreqs ()) |
1661 |
{ |
1662 |
poll_wait (); |
1663 |
poll_cb (); |
1664 |
} |
1665 |
|
1666 |
int |
1667 |
poll () |
1668 |
CODE: |
1669 |
poll_wait (); |
1670 |
RETVAL = poll_cb (); |
1671 |
OUTPUT: |
1672 |
RETVAL |
1673 |
|
1674 |
int |
1675 |
poll_fileno () |
1676 |
CODE: |
1677 |
RETVAL = s_epipe_fd (&respipe); |
1678 |
OUTPUT: |
1679 |
RETVAL |
1680 |
|
1681 |
int |
1682 |
poll_cb (...) |
1683 |
PROTOTYPE: |
1684 |
CODE: |
1685 |
RETVAL = poll_cb (); |
1686 |
OUTPUT: |
1687 |
RETVAL |
1688 |
|
1689 |
void |
1690 |
poll_wait () |
1691 |
CODE: |
1692 |
poll_wait (); |
1693 |
|
1694 |
int |
1695 |
nreqs () |
1696 |
CODE: |
1697 |
RETVAL = eio_nreqs (); |
1698 |
OUTPUT: |
1699 |
RETVAL |
1700 |
|
1701 |
int |
1702 |
nready () |
1703 |
CODE: |
1704 |
RETVAL = eio_nready (); |
1705 |
OUTPUT: |
1706 |
RETVAL |
1707 |
|
1708 |
int |
1709 |
npending () |
1710 |
CODE: |
1711 |
RETVAL = eio_npending (); |
1712 |
OUTPUT: |
1713 |
RETVAL |
1714 |
|
1715 |
int |
1716 |
nthreads () |
1717 |
CODE: |
1718 |
RETVAL = eio_nthreads (); |
1719 |
OUTPUT: |
1720 |
RETVAL |
1721 |
|
1722 |
int |
1723 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1724 |
CODE: |
1725 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1726 |
OUTPUT: |
1727 |
RETVAL |
1728 |
|
1729 |
IV |
1730 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1731 |
CODE: |
1732 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1733 |
OUTPUT: |
1734 |
RETVAL |
1735 |
|
1736 |
void |
1737 |
mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1738 |
PPCODE: |
1739 |
sv_unmagic (scalar, MMAP_MAGIC); |
1740 |
{ |
1741 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1742 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1743 |
if (addr == (void *)-1) |
1744 |
XSRETURN_NO; |
1745 |
|
1746 |
sv_force_normal (scalar); |
1747 |
|
1748 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
1749 |
sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1750 |
->mg_obj = (SV *)length; |
1751 |
|
1752 |
SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1753 |
|
1754 |
if (!(prot & PROT_WRITE)) |
1755 |
SvREADONLY_on (scalar); |
1756 |
|
1757 |
if (SvLEN (scalar)) |
1758 |
Safefree (SvPVX (scalar)); |
1759 |
|
1760 |
SvPVX (scalar) = (char *)addr; |
1761 |
SvCUR_set (scalar, length); |
1762 |
SvLEN_set (scalar, 0); |
1763 |
SvPOK_only (scalar); |
1764 |
|
1765 |
XSRETURN_YES; |
1766 |
} |
1767 |
|
1768 |
void |
1769 |
munmap (SV *scalar) |
1770 |
CODE: |
1771 |
sv_unmagic (scalar, MMAP_MAGIC); |
1772 |
|
1773 |
int |
1774 |
madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1775 |
ALIAS: |
1776 |
mprotect = 1 |
1777 |
CODE: |
1778 |
{ |
1779 |
STRLEN svlen; |
1780 |
void *addr = SvPVbyte (scalar, svlen); |
1781 |
size_t len = SvUV (length); |
1782 |
|
1783 |
if (offset < 0) |
1784 |
offset += svlen; |
1785 |
|
1786 |
if (offset < 0 || offset > svlen) |
1787 |
croak ("offset outside of scalar"); |
1788 |
|
1789 |
if (!SvOK (length) || len + offset > svlen) |
1790 |
len = svlen - offset; |
1791 |
|
1792 |
addr = (void *)(((intptr_t)addr) + offset); |
1793 |
eio_page_align (&addr, &len); |
1794 |
|
1795 |
switch (ix) |
1796 |
{ |
1797 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1798 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1799 |
} |
1800 |
} |
1801 |
OUTPUT: |
1802 |
RETVAL |
1803 |
|
1804 |
int |
1805 |
munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1806 |
CODE: |
1807 |
{ |
1808 |
STRLEN svlen; |
1809 |
void *addr = SvPVbyte (scalar, svlen); |
1810 |
size_t len = SvUV (length); |
1811 |
|
1812 |
if (offset < 0) |
1813 |
offset += svlen; |
1814 |
|
1815 |
if (offset < 0 || offset > svlen) |
1816 |
croak ("offset outside of scalar"); |
1817 |
|
1818 |
if (!SvOK (length) || len + offset > svlen) |
1819 |
len = svlen - offset; |
1820 |
|
1821 |
addr = (void *)(((intptr_t)addr) + offset); |
1822 |
eio_page_align (&addr, &len); |
1823 |
#if _POSIX_MEMLOCK_RANGE |
1824 |
RETVAL = munlock (addr, len); |
1825 |
#else |
1826 |
RETVAL = EIO_ENOSYS (); |
1827 |
#endif |
1828 |
} |
1829 |
OUTPUT: |
1830 |
RETVAL |
1831 |
|
1832 |
int |
1833 |
munlockall () |
1834 |
CODE: |
1835 |
#if _POSIX_MEMLOCK |
1836 |
munlockall (); |
1837 |
#else |
1838 |
RETVAL = EIO_ENOSYS (); |
1839 |
#endif |
1840 |
OUTPUT: |
1841 |
RETVAL |
1842 |
|
1843 |
int |
1844 |
splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
1845 |
CODE: |
1846 |
{ |
1847 |
#if HAVE_LINUX_SPLICE |
1848 |
loff_t off_in_, off_out_; |
1849 |
RETVAL = splice ( |
1850 |
rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
1851 |
wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
1852 |
length, flags |
1853 |
); |
1854 |
#else |
1855 |
RETVAL = EIO_ENOSYS (); |
1856 |
#endif |
1857 |
} |
1858 |
OUTPUT: |
1859 |
RETVAL |
1860 |
|
1861 |
int |
1862 |
tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
1863 |
CODE: |
1864 |
#if HAVE_LINUX_SPLICE |
1865 |
RETVAL = tee (rfh, wfh, length, flags); |
1866 |
#else |
1867 |
RETVAL = EIO_ENOSYS (); |
1868 |
#endif |
1869 |
OUTPUT: |
1870 |
RETVAL |
1871 |
|
1872 |
void _on_next_submit (SV *cb) |
1873 |
CODE: |
1874 |
SvREFCNT_dec (on_next_submit); |
1875 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1876 |
|
1877 |
PROTOTYPES: DISABLE |
1878 |
|
1879 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
1880 |
|
1881 |
BOOT: |
1882 |
{ |
1883 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
1884 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
1885 |
} |
1886 |
|
1887 |
void |
1888 |
DESTROY (SV *self) |
1889 |
CODE: |
1890 |
{ |
1891 |
aio_wd wd = SvAIO_WD (self); |
1892 |
#if HAVE_AT |
1893 |
{ |
1894 |
SV *callback = &PL_sv_undef; |
1895 |
dREQ; /* clobbers next_pri :/ */ |
1896 |
next_pri = req->pri; /* restore next_pri */ |
1897 |
req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
1898 |
req->type = EIO_WD_CLOSE; |
1899 |
req->wd = wd; |
1900 |
REQ_SEND; |
1901 |
} |
1902 |
#else |
1903 |
eio_wd_close_sync (wd); |
1904 |
#endif |
1905 |
} |
1906 |
|
1907 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1908 |
|
1909 |
void |
1910 |
cancel (aio_req_ornot req) |
1911 |
CODE: |
1912 |
eio_cancel (req); |
1913 |
|
1914 |
void |
1915 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1916 |
PPCODE: |
1917 |
{ |
1918 |
if (GIMME_V != G_VOID) |
1919 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1920 |
|
1921 |
if (items > 1) |
1922 |
{ |
1923 |
SV *cb_cv =get_cb (callback); |
1924 |
|
1925 |
SvREFCNT_dec (req->callback); |
1926 |
req->callback = SvREFCNT_inc (cb_cv); |
1927 |
} |
1928 |
} |
1929 |
|
1930 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1931 |
|
1932 |
void |
1933 |
add (aio_req grp, ...) |
1934 |
PPCODE: |
1935 |
{ |
1936 |
int i; |
1937 |
|
1938 |
if (grp->int1 == 2) |
1939 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1940 |
|
1941 |
for (i = 1; i < items; ++i ) |
1942 |
{ |
1943 |
aio_req req; |
1944 |
|
1945 |
if (GIMME_V != G_VOID) |
1946 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1947 |
|
1948 |
req = SvAIO_REQ (ST (i)); |
1949 |
|
1950 |
if (req) |
1951 |
eio_grp_add (grp, req); |
1952 |
} |
1953 |
} |
1954 |
|
1955 |
void |
1956 |
cancel_subs (aio_req_ornot req) |
1957 |
CODE: |
1958 |
req_cancel_subs (req); |
1959 |
|
1960 |
void |
1961 |
result (aio_req grp, ...) |
1962 |
CODE: |
1963 |
{ |
1964 |
int i; |
1965 |
AV *av; |
1966 |
|
1967 |
grp->errorno = errno; |
1968 |
|
1969 |
av = newAV (); |
1970 |
av_extend (av, items - 1); |
1971 |
|
1972 |
for (i = 1; i < items; ++i ) |
1973 |
av_push (av, newSVsv (ST (i))); |
1974 |
|
1975 |
SvREFCNT_dec (grp->sv1); |
1976 |
grp->sv1 = (SV *)av; |
1977 |
} |
1978 |
|
1979 |
void |
1980 |
errno (aio_req grp, int errorno = errno) |
1981 |
CODE: |
1982 |
grp->errorno = errorno; |
1983 |
|
1984 |
void |
1985 |
limit (aio_req grp, int limit) |
1986 |
CODE: |
1987 |
eio_grp_limit (grp, limit); |
1988 |
|
1989 |
void |
1990 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1991 |
CODE: |
1992 |
{ |
1993 |
SvREFCNT_dec (grp->sv2); |
1994 |
grp->sv2 = newSVsv (callback); |
1995 |
grp->feed = aio_grp_feed; |
1996 |
|
1997 |
if (grp->int2 <= 0) |
1998 |
grp->int2 = 2; |
1999 |
|
2000 |
eio_grp_limit (grp, grp->int2); |
2001 |
} |
2002 |
|