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 |
/* the incompetent fool that created musl keeps __linux__, refuses |
25 |
* to implement any linux standard apis, and also has no way to test |
26 |
* for his broken iplementation. on't complain if this fails for you. |
27 |
*/ |
28 |
#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
29 |
# include <linux/fs.h> |
30 |
# ifdef FS_IOC_FIEMAP |
31 |
# include <linux/types.h> |
32 |
# include <linux/fiemap.h> |
33 |
# define HAVE_FIEMAP 1 |
34 |
# endif |
35 |
#endif |
36 |
|
37 |
/* perl namespace pollution */ |
38 |
#undef VERSION |
39 |
|
40 |
/* perl stupidly overrides readdir and maybe others */ |
41 |
/* with thread-unsafe versions, imagine that :( */ |
42 |
#undef readdir |
43 |
#undef opendir |
44 |
#undef closedir |
45 |
|
46 |
#ifdef _WIN32 |
47 |
|
48 |
// perl overrides all those nice libc functions |
49 |
|
50 |
#undef malloc |
51 |
#undef free |
52 |
#undef open |
53 |
#undef read |
54 |
#undef write |
55 |
#undef send |
56 |
#undef recv |
57 |
#undef stat |
58 |
#undef lstat |
59 |
#undef fstat |
60 |
#undef truncate |
61 |
#undef ftruncate |
62 |
#undef open |
63 |
#undef link |
64 |
#undef close |
65 |
#undef unlink |
66 |
#undef mkdir |
67 |
#undef rmdir |
68 |
#undef rename |
69 |
#undef lseek |
70 |
#undef opendir |
71 |
#undef readdir |
72 |
#undef closedir |
73 |
#undef chmod |
74 |
#undef fchmod |
75 |
#undef dup |
76 |
#undef dup2 |
77 |
#undef abort |
78 |
#undef pipe |
79 |
|
80 |
#define EIO_STRUCT_STAT struct _stati64 |
81 |
#define EIO_STRUCT_STATI64 |
82 |
|
83 |
#else |
84 |
|
85 |
#include <sys/time.h> |
86 |
#include <sys/select.h> |
87 |
#include <unistd.h> |
88 |
#include <utime.h> |
89 |
#include <signal.h> |
90 |
|
91 |
#define EIO_STRUCT_STAT Stat_t |
92 |
|
93 |
#endif |
94 |
|
95 |
/*****************************************************************************/ |
96 |
|
97 |
#if __GNUC__ >= 3 |
98 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
99 |
#else |
100 |
# define expect(expr,value) (expr) |
101 |
#endif |
102 |
|
103 |
#define expect_false(expr) expect ((expr) != 0, 0) |
104 |
#define expect_true(expr) expect ((expr) != 0, 1) |
105 |
|
106 |
/*****************************************************************************/ |
107 |
|
108 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
109 |
typedef int aio_rfd; /* read file desriptor */ |
110 |
typedef int aio_wfd; /* write file descriptor */ |
111 |
|
112 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
113 |
|
114 |
#define EIO_REQ_MEMBERS \ |
115 |
SV *callback; \ |
116 |
SV *sv1, *sv2; \ |
117 |
SV *sv3, *sv4; \ |
118 |
STRLEN stroffset; \ |
119 |
SV *self; |
120 |
|
121 |
#define EIO_NO_WRAPPERS 1 |
122 |
|
123 |
#include "libeio/config.h" |
124 |
#include "libeio/eio.h" |
125 |
|
126 |
static int req_invoke (eio_req *req); |
127 |
#define EIO_FINISH(req) req_invoke (req) |
128 |
static void req_destroy (eio_req *grp); |
129 |
#define EIO_DESTROY(req) req_destroy (req) |
130 |
|
131 |
#include "libeio/eio.c" |
132 |
|
133 |
#if !HAVE_POSIX_FADVISE |
134 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
135 |
#endif |
136 |
|
137 |
#if !HAVE_POSIX_MADVISE |
138 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
139 |
#endif |
140 |
|
141 |
#ifndef MAP_ANONYMOUS |
142 |
# ifdef MAP_ANON |
143 |
# define MAP_ANONYMOUS MAP_ANON |
144 |
# else |
145 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
146 |
# endif |
147 |
#endif |
148 |
|
149 |
/* defines all sorts of constants to 0 unless they are already defined */ |
150 |
#include "def0.h" |
151 |
|
152 |
#ifndef makedev |
153 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
154 |
#endif |
155 |
#ifndef major |
156 |
# define major(dev) ((dev) >> 8) |
157 |
#endif |
158 |
#ifndef minor |
159 |
# define minor(dev) ((dev) & 0xff) |
160 |
#endif |
161 |
|
162 |
#if PAGESIZE <= 0 |
163 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
164 |
#endif |
165 |
|
166 |
/*****************************************************************************/ |
167 |
|
168 |
static void |
169 |
fiemap (eio_req *req) |
170 |
{ |
171 |
req->result = -1; |
172 |
|
173 |
#if HAVE_FIEMAP |
174 |
/* assume some c99 */ |
175 |
struct fiemap *fiemap = 0; |
176 |
size_t end_offset; |
177 |
int count = req->int3; |
178 |
|
179 |
req->flags |= EIO_FLAG_PTR1_FREE; |
180 |
|
181 |
/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
182 |
/* increase in 3.5kb steps */ |
183 |
if (count < 0) |
184 |
count = 8; |
185 |
|
186 |
fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
187 |
errno = ENOMEM; |
188 |
if (!fiemap) |
189 |
return; |
190 |
|
191 |
req->ptr1 = fiemap; |
192 |
|
193 |
fiemap->fm_start = req->offs; |
194 |
fiemap->fm_length = req->size; |
195 |
fiemap->fm_flags = req->int2; |
196 |
fiemap->fm_extent_count = count; |
197 |
|
198 |
if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
199 |
return; |
200 |
|
201 |
if (req->int3 >= 0 /* not autosizing */ |
202 |
|| !fiemap->fm_mapped_extents /* no more extents */ |
203 |
|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
204 |
goto done; |
205 |
|
206 |
/* else we have to loop - |
207 |
* it would be tempting (actually I tried that first) to just query the |
208 |
* number of extents needed, but linux often feels like not returning all |
209 |
* extents, without telling us it left any out. this complicates |
210 |
* this quite a bit. |
211 |
*/ |
212 |
|
213 |
end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
214 |
|
215 |
for (;;) |
216 |
{ |
217 |
/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
218 |
char scratch[3072]; |
219 |
struct fiemap *incmap = (struct fiemap *)scratch; |
220 |
|
221 |
incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
222 |
+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
223 |
incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
224 |
incmap->fm_flags = fiemap->fm_flags; |
225 |
incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
226 |
|
227 |
if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
228 |
return; |
229 |
|
230 |
if (!incmap->fm_mapped_extents) |
231 |
goto done; |
232 |
|
233 |
count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
234 |
fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
235 |
errno = ENOMEM; |
236 |
if (!fiemap) |
237 |
return; |
238 |
|
239 |
req->ptr1 = fiemap; |
240 |
|
241 |
for (count = 0; count < incmap->fm_mapped_extents; ++count) |
242 |
{ |
243 |
struct fiemap_extent *e = incmap->fm_extents + count; |
244 |
|
245 |
if (e->fe_logical + e->fe_length >= end_offset) |
246 |
goto done; |
247 |
|
248 |
fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
249 |
|
250 |
if (e->fe_flags & FIEMAP_EXTENT_LAST) |
251 |
goto done; |
252 |
|
253 |
} |
254 |
} |
255 |
|
256 |
done: |
257 |
req->result = 0; |
258 |
|
259 |
#else |
260 |
errno = ENOSYS; |
261 |
#endif |
262 |
} |
263 |
|
264 |
/*****************************************************************************/ |
265 |
|
266 |
enum { |
267 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
268 |
}; |
269 |
|
270 |
typedef eio_req *aio_req; |
271 |
typedef eio_req *aio_req_ornot; |
272 |
typedef eio_wd aio_wd; |
273 |
|
274 |
static SV *on_next_submit; |
275 |
static int next_pri = EIO_PRI_DEFAULT; |
276 |
static int max_outstanding; |
277 |
|
278 |
static s_epipe respipe; |
279 |
|
280 |
static void req_destroy (aio_req req); |
281 |
static void req_cancel (aio_req req); |
282 |
|
283 |
static void |
284 |
want_poll (void) |
285 |
{ |
286 |
/* write a dummy byte to the pipe so fh becomes ready */ |
287 |
s_epipe_signal (&respipe); |
288 |
} |
289 |
|
290 |
static void |
291 |
done_poll (void) |
292 |
{ |
293 |
/* read any signals sent by the worker threads */ |
294 |
s_epipe_drain (&respipe); |
295 |
} |
296 |
|
297 |
/* must be called at most once */ |
298 |
static SV * |
299 |
req_sv (aio_req req, HV *stash) |
300 |
{ |
301 |
if (!req->self) |
302 |
{ |
303 |
req->self = (SV *)newHV (); |
304 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
305 |
} |
306 |
|
307 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
308 |
} |
309 |
|
310 |
static SV * |
311 |
newSVaio_wd (aio_wd wd) |
312 |
{ |
313 |
return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
314 |
} |
315 |
|
316 |
static aio_req |
317 |
SvAIO_REQ (SV *sv) |
318 |
{ |
319 |
MAGIC *mg; |
320 |
|
321 |
if (!SvROK (sv) |
322 |
/* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
323 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
324 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
325 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
326 |
croak ("object of class IO::AIO::REQ expected"); |
327 |
|
328 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
329 |
|
330 |
return mg ? (aio_req)mg->mg_ptr : 0; |
331 |
} |
332 |
|
333 |
static aio_wd |
334 |
SvAIO_WD (SV *sv) |
335 |
{ |
336 |
if (!SvROK (sv) |
337 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG |
338 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash) |
339 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
340 |
|
341 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
342 |
} |
343 |
|
344 |
static void |
345 |
aio_grp_feed (aio_req grp) |
346 |
{ |
347 |
if (grp->sv2 && SvOK (grp->sv2)) |
348 |
{ |
349 |
dSP; |
350 |
|
351 |
ENTER; |
352 |
SAVETMPS; |
353 |
PUSHMARK (SP); |
354 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
355 |
PUTBACK; |
356 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
357 |
SPAGAIN; |
358 |
FREETMPS; |
359 |
LEAVE; |
360 |
} |
361 |
} |
362 |
|
363 |
static void |
364 |
req_submit (eio_req *req) |
365 |
{ |
366 |
eio_submit (req); |
367 |
|
368 |
if (expect_false (on_next_submit)) |
369 |
{ |
370 |
dSP; |
371 |
SV *cb = sv_2mortal (on_next_submit); |
372 |
|
373 |
on_next_submit = 0; |
374 |
|
375 |
PUSHMARK (SP); |
376 |
PUTBACK; |
377 |
call_sv (cb, G_DISCARD | G_EVAL); |
378 |
} |
379 |
} |
380 |
|
381 |
static int |
382 |
req_invoke (eio_req *req) |
383 |
{ |
384 |
if (req->flags & FLAG_SV2_RO_OFF) |
385 |
SvREADONLY_off (req->sv2); |
386 |
|
387 |
if (!EIO_CANCELLED (req) && req->callback) |
388 |
{ |
389 |
dSP; |
390 |
static SV *sv_result_cache; /* caches the result integer SV */ |
391 |
SV *sv_result; |
392 |
|
393 |
ENTER; |
394 |
SAVETMPS; |
395 |
PUSHMARK (SP); |
396 |
EXTEND (SP, 1); |
397 |
|
398 |
/* do not recreate the result IV from scratch each time */ |
399 |
if (expect_true (sv_result_cache)) |
400 |
{ |
401 |
sv_result = sv_result_cache; sv_result_cache = 0; |
402 |
SvIV_set (sv_result, req->result); |
403 |
SvIOK_only (sv_result); |
404 |
} |
405 |
else |
406 |
{ |
407 |
sv_result = newSViv (req->result); |
408 |
SvREADONLY_on (sv_result); |
409 |
} |
410 |
|
411 |
switch (req->type) |
412 |
{ |
413 |
case EIO_WD_OPEN: |
414 |
PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
415 |
break; |
416 |
|
417 |
case EIO_READDIR: |
418 |
{ |
419 |
SV *rv = &PL_sv_undef; |
420 |
|
421 |
if (req->result >= 0) |
422 |
{ |
423 |
int i; |
424 |
char *names = (char *)req->ptr2; |
425 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
426 |
AV *av = newAV (); |
427 |
|
428 |
av_extend (av, req->result - 1); |
429 |
|
430 |
for (i = 0; i < req->result; ++i) |
431 |
{ |
432 |
if (req->int1 & EIO_READDIR_DENTS) |
433 |
{ |
434 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
435 |
|
436 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
437 |
{ |
438 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
439 |
AV *avent = newAV (); |
440 |
|
441 |
av_extend (avent, 2); |
442 |
|
443 |
if (!sv_type [ent->type]) |
444 |
{ |
445 |
sv_type [ent->type] = newSViv (ent->type); |
446 |
SvREADONLY_on (sv_type [ent->type]); |
447 |
} |
448 |
|
449 |
av_store (avent, 0, namesv); |
450 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
451 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
452 |
|
453 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
454 |
} |
455 |
else |
456 |
av_store (av, i, namesv); |
457 |
|
458 |
++ent; |
459 |
} |
460 |
else |
461 |
{ |
462 |
SV *name = newSVpv (names, 0); |
463 |
av_store (av, i, name); |
464 |
names += SvCUR (name) + 1; |
465 |
} |
466 |
} |
467 |
|
468 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
469 |
} |
470 |
|
471 |
PUSHs (rv); |
472 |
|
473 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
474 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
475 |
} |
476 |
break; |
477 |
|
478 |
case EIO_OPEN: |
479 |
{ |
480 |
/* convert fd to fh */ |
481 |
SV *fh = &PL_sv_undef; |
482 |
|
483 |
if (req->result >= 0) |
484 |
{ |
485 |
GV *gv = (GV *)sv_newmortal (); |
486 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
487 |
char sym [64]; |
488 |
int symlen; |
489 |
|
490 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
491 |
gv_init (gv, aio_stash, sym, symlen, 0); |
492 |
|
493 |
symlen = snprintf ( |
494 |
sym, |
495 |
sizeof (sym), |
496 |
"%s&=%d", |
497 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
498 |
(int)req->result |
499 |
); |
500 |
|
501 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
502 |
fh = (SV *)gv; |
503 |
} |
504 |
|
505 |
PUSHs (fh); |
506 |
} |
507 |
break; |
508 |
|
509 |
case EIO_STATVFS: |
510 |
case EIO_FSTATVFS: |
511 |
{ |
512 |
SV *rv = &PL_sv_undef; |
513 |
|
514 |
#ifndef _WIN32 |
515 |
if (req->result >= 0) |
516 |
{ |
517 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
518 |
HV *hv = newHV (); |
519 |
/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
520 |
* chooses to make it a struct. |
521 |
*/ |
522 |
unsigned long fsid = 0; |
523 |
memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
524 |
|
525 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
526 |
|
527 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
528 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
529 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
530 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
531 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
532 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
533 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
534 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
535 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
536 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
537 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
538 |
} |
539 |
#endif |
540 |
|
541 |
PUSHs (rv); |
542 |
} |
543 |
|
544 |
break; |
545 |
|
546 |
case EIO_GROUP: |
547 |
req->int1 = 2; /* mark group as finished */ |
548 |
|
549 |
if (req->sv1) |
550 |
{ |
551 |
int i; |
552 |
AV *av = (AV *)req->sv1; |
553 |
|
554 |
EXTEND (SP, AvFILL (av) + 1); |
555 |
for (i = 0; i <= AvFILL (av); ++i) |
556 |
PUSHs (*av_fetch (av, i, 0)); |
557 |
} |
558 |
break; |
559 |
|
560 |
case EIO_NOP: |
561 |
case EIO_BUSY: |
562 |
break; |
563 |
|
564 |
case EIO_READLINK: |
565 |
case EIO_REALPATH: |
566 |
if (req->result > 0) |
567 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
568 |
break; |
569 |
|
570 |
case EIO_STAT: |
571 |
case EIO_LSTAT: |
572 |
case EIO_FSTAT: |
573 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
574 |
|
575 |
if (!(PL_laststatval = req->result)) |
576 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
577 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
578 |
|
579 |
PUSHs (sv_result); |
580 |
break; |
581 |
|
582 |
case EIO_SEEK: |
583 |
PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
584 |
break; |
585 |
|
586 |
case EIO_READ: |
587 |
{ |
588 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
589 |
*SvEND (req->sv2) = 0; |
590 |
SvPOK_only (req->sv2); |
591 |
SvSETMAGIC (req->sv2); |
592 |
PUSHs (sv_result); |
593 |
} |
594 |
break; |
595 |
|
596 |
case EIO_CUSTOM: |
597 |
if (req->feed == fiemap) |
598 |
{ |
599 |
#if HAVE_FIEMAP |
600 |
if (!req->result) |
601 |
{ |
602 |
struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
603 |
|
604 |
if (fiemap->fm_extent_count) |
605 |
{ |
606 |
AV *av = newAV (); |
607 |
int i; |
608 |
|
609 |
while (fiemap->fm_mapped_extents) |
610 |
{ |
611 |
struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
612 |
AV *ext_av = newAV (); |
613 |
|
614 |
av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
615 |
av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
616 |
av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
617 |
av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
618 |
|
619 |
av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
620 |
} |
621 |
|
622 |
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
623 |
} |
624 |
else |
625 |
{ |
626 |
SvIV_set (sv_result, fiemap->fm_mapped_extents); |
627 |
PUSHs (sv_result); |
628 |
} |
629 |
} |
630 |
#endif |
631 |
} |
632 |
else |
633 |
PUSHs (sv_result); |
634 |
break; |
635 |
|
636 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
637 |
if (req->result > 0) |
638 |
SvIV_set (sv_result, 0); |
639 |
/* FALLTHROUGH */ |
640 |
|
641 |
default: |
642 |
PUSHs (sv_result); |
643 |
break; |
644 |
} |
645 |
|
646 |
errno = req->errorno; |
647 |
|
648 |
PUTBACK; |
649 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
650 |
SPAGAIN; |
651 |
|
652 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
653 |
SvREFCNT_dec (sv_result); |
654 |
else |
655 |
sv_result_cache = sv_result; |
656 |
|
657 |
FREETMPS; |
658 |
LEAVE; |
659 |
|
660 |
PUTBACK; |
661 |
} |
662 |
|
663 |
return !!SvTRUE (ERRSV); |
664 |
} |
665 |
|
666 |
static void |
667 |
req_destroy (aio_req req) |
668 |
{ |
669 |
if (req->self) |
670 |
{ |
671 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
672 |
SvREFCNT_dec (req->self); |
673 |
} |
674 |
|
675 |
SvREFCNT_dec (req->sv1); |
676 |
SvREFCNT_dec (req->sv2); |
677 |
SvREFCNT_dec (req->sv3); |
678 |
SvREFCNT_dec (req->sv4); |
679 |
SvREFCNT_dec (req->callback); |
680 |
|
681 |
free (req); |
682 |
} |
683 |
|
684 |
static void |
685 |
req_cancel_subs (aio_req grp) |
686 |
{ |
687 |
if (grp->type != EIO_GROUP) |
688 |
return; |
689 |
|
690 |
SvREFCNT_dec (grp->sv2); |
691 |
grp->sv2 = 0; |
692 |
|
693 |
eio_grp_cancel (grp); |
694 |
} |
695 |
|
696 |
static void ecb_cold |
697 |
create_respipe (void) |
698 |
{ |
699 |
if (s_epipe_renew (&respipe)) |
700 |
croak ("IO::AIO: unable to initialize result pipe"); |
701 |
} |
702 |
|
703 |
static void |
704 |
poll_wait (void) |
705 |
{ |
706 |
while (eio_nreqs ()) |
707 |
{ |
708 |
int size; |
709 |
|
710 |
X_LOCK (reslock); |
711 |
size = res_queue.size; |
712 |
X_UNLOCK (reslock); |
713 |
|
714 |
if (size) |
715 |
return; |
716 |
|
717 |
etp_maybe_start_thread (); |
718 |
|
719 |
s_epipe_wait (&respipe); |
720 |
} |
721 |
} |
722 |
|
723 |
static int |
724 |
poll_cb (void) |
725 |
{ |
726 |
for (;;) |
727 |
{ |
728 |
int res = eio_poll (); |
729 |
|
730 |
if (res > 0) |
731 |
croak (0); |
732 |
|
733 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
734 |
return res; |
735 |
|
736 |
poll_wait (); |
737 |
} |
738 |
} |
739 |
|
740 |
static void ecb_cold |
741 |
reinit (void) |
742 |
{ |
743 |
create_respipe (); |
744 |
|
745 |
if (eio_init (want_poll, done_poll) < 0) |
746 |
croak ("IO::AIO: unable to initialise eio library"); |
747 |
} |
748 |
|
749 |
/*****************************************************************************/ |
750 |
|
751 |
#if !_POSIX_MAPPED_FILES |
752 |
# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
753 |
# define munmap(addr,length) EIO_ENOSYS () |
754 |
#endif |
755 |
|
756 |
#if !_POSIX_MEMORY_PROTECTION |
757 |
# define mprotect(addr,len,prot) EIO_ENOSYS () |
758 |
# define PROT_NONE 0 |
759 |
# define PROT_WRITE 0 |
760 |
# define MAP_PRIVATE 0 |
761 |
# define MAP_SHARED 0 |
762 |
# define MAP_FIXED 0 |
763 |
#endif |
764 |
|
765 |
#define MMAP_MAGIC PERL_MAGIC_ext |
766 |
|
767 |
static int ecb_cold |
768 |
mmap_free (pTHX_ SV *sv, MAGIC *mg) |
769 |
{ |
770 |
int old_errno = errno; |
771 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
772 |
errno = old_errno; |
773 |
|
774 |
mg->mg_obj = 0; /* just in case */ |
775 |
|
776 |
SvREADONLY_off (sv); |
777 |
|
778 |
if (SvPVX (sv) != mg->mg_ptr) |
779 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
780 |
|
781 |
SvCUR_set (sv, 0); |
782 |
SvPVX (sv) = 0; |
783 |
SvOK_off (sv); |
784 |
|
785 |
return 0; |
786 |
} |
787 |
|
788 |
static MGVTBL mmap_vtbl = { |
789 |
0, 0, 0, 0, mmap_free |
790 |
}; |
791 |
|
792 |
/*****************************************************************************/ |
793 |
|
794 |
static SV * |
795 |
get_cb (SV *cb_sv) |
796 |
{ |
797 |
SvGETMAGIC (cb_sv); |
798 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
799 |
} |
800 |
|
801 |
static aio_req ecb_noinline |
802 |
dreq (SV *callback) |
803 |
{ |
804 |
SV *cb_cv; |
805 |
aio_req req; |
806 |
int req_pri = next_pri; |
807 |
next_pri = EIO_PRI_DEFAULT; |
808 |
|
809 |
cb_cv = get_cb (callback); |
810 |
|
811 |
req = calloc (sizeof (*req), 1); |
812 |
if (!req) |
813 |
croak ("out of memory during eio_req allocation"); |
814 |
|
815 |
req->callback = SvREFCNT_inc (cb_cv); |
816 |
req->pri = req_pri; |
817 |
|
818 |
return req; |
819 |
} |
820 |
|
821 |
#define dREQ \ |
822 |
aio_req req = dreq (callback); \ |
823 |
|
824 |
#define REQ_SEND \ |
825 |
PUTBACK; \ |
826 |
req_submit (req); \ |
827 |
SPAGAIN; \ |
828 |
\ |
829 |
if (GIMME_V != G_VOID) \ |
830 |
XPUSHs (req_sv (req, aio_req_stash)); |
831 |
|
832 |
ecb_inline void |
833 |
req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
834 |
{ |
835 |
if (expect_false (SvROK (path))) |
836 |
{ |
837 |
SV *rv = SvRV (path); |
838 |
SV *wdob; |
839 |
|
840 |
if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
841 |
{ |
842 |
path = AvARRAY (rv)[1]; |
843 |
wdob = AvARRAY (rv)[0]; |
844 |
|
845 |
if (SvOK (wdob)) |
846 |
{ |
847 |
*wd = SvAIO_WD (wdob); |
848 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
849 |
} |
850 |
else |
851 |
*wd = EIO_INVALID_WD; |
852 |
} |
853 |
else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
854 |
{ |
855 |
*wd = (aio_wd)(long)SvIVX (rv); |
856 |
*wdsv = SvREFCNT_inc_NN (rv); |
857 |
*ptr = "."; |
858 |
return; /* path set to "." */ |
859 |
} |
860 |
else |
861 |
croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
862 |
} |
863 |
|
864 |
*pathsv = newSVsv (path); |
865 |
*ptr = SvPVbyte_nolen (*pathsv); |
866 |
} |
867 |
|
868 |
static void ecb_noinline |
869 |
req_set_path1 (aio_req req, SV *path) |
870 |
{ |
871 |
req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
872 |
} |
873 |
|
874 |
static void ecb_noinline |
875 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
876 |
{ |
877 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
878 |
|
879 |
switch (SvTYPE (rv)) |
880 |
{ |
881 |
case SVt_PVIO: |
882 |
case SVt_PVLV: |
883 |
case SVt_PVGV: |
884 |
req->type = type_fh; |
885 |
req->sv1 = newSVsv (fh_or_path); |
886 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
887 |
break; |
888 |
|
889 |
default: |
890 |
req->type = type_path; |
891 |
req_set_path1 (req, fh_or_path); |
892 |
break; |
893 |
} |
894 |
} |
895 |
|
896 |
XS(boot_IO__AIO) ecb_cold; |
897 |
|
898 |
MODULE = IO::AIO PACKAGE = IO::AIO |
899 |
|
900 |
PROTOTYPES: ENABLE |
901 |
|
902 |
BOOT: |
903 |
{ |
904 |
static const struct { |
905 |
const char *name; |
906 |
IV iv; |
907 |
} *civ, const_iv[] = { |
908 |
# define const_niv(name, value) { # name, (IV) value }, |
909 |
# define const_iv(name) { # name, (IV) name }, |
910 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
911 |
|
912 |
/* you have to re-run ./gendef0 after adding/Removing any constants here */ |
913 |
|
914 |
const_iv (ENOSYS) |
915 |
const_iv (EXDEV) |
916 |
const_iv (EBADR) |
917 |
|
918 |
const_iv (O_RDONLY) |
919 |
const_iv (O_WRONLY) |
920 |
const_iv (O_RDWR) |
921 |
const_iv (O_CREAT) |
922 |
const_iv (O_TRUNC) |
923 |
const_iv (O_EXCL) |
924 |
const_iv (O_APPEND) |
925 |
|
926 |
const_iv (O_ASYNC) |
927 |
const_iv (O_DIRECT) |
928 |
const_iv (O_NOATIME) |
929 |
|
930 |
const_iv (O_CLOEXEC) |
931 |
const_iv (O_NOCTTY) |
932 |
const_iv (O_NOFOLLOW) |
933 |
const_iv (O_NONBLOCK) |
934 |
const_iv (O_EXEC) |
935 |
const_iv (O_SEARCH) |
936 |
const_iv (O_DIRECTORY) |
937 |
const_iv (O_DSYNC) |
938 |
const_iv (O_RSYNC) |
939 |
const_iv (O_SYNC) |
940 |
const_iv (O_TTY_INIT) |
941 |
|
942 |
const_iv (S_IFIFO) |
943 |
const_iv (S_IFCHR) |
944 |
const_iv (S_IFBLK) |
945 |
const_iv (S_IFLNK) |
946 |
const_iv (S_IFREG) |
947 |
const_iv (S_IFDIR) |
948 |
const_iv (S_IFWHT) |
949 |
const_iv (S_IFSOCK) |
950 |
const_iv (S_IFMT) |
951 |
|
952 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
953 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
954 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
955 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
956 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
957 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
958 |
|
959 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
960 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
961 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
962 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
963 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
964 |
|
965 |
const_iv (ST_RDONLY) |
966 |
const_iv (ST_NOSUID) |
967 |
const_iv (ST_NODEV) |
968 |
const_iv (ST_NOEXEC) |
969 |
const_iv (ST_SYNCHRONOUS) |
970 |
const_iv (ST_MANDLOCK) |
971 |
const_iv (ST_WRITE) |
972 |
const_iv (ST_APPEND) |
973 |
const_iv (ST_IMMUTABLE) |
974 |
const_iv (ST_NOATIME) |
975 |
const_iv (ST_NODIRATIME) |
976 |
const_iv (ST_RELATIME) |
977 |
|
978 |
const_iv (PROT_NONE) |
979 |
const_iv (PROT_EXEC) |
980 |
const_iv (PROT_READ) |
981 |
const_iv (PROT_WRITE) |
982 |
|
983 |
/*const_iv (MAP_FIXED)*/ |
984 |
const_iv (MAP_PRIVATE) |
985 |
const_iv (MAP_SHARED) |
986 |
const_iv (MAP_ANONYMOUS) |
987 |
|
988 |
/* linuxish */ |
989 |
const_iv (MAP_HUGETLB) |
990 |
const_iv (MAP_LOCKED) |
991 |
const_iv (MAP_NORESERVE) |
992 |
const_iv (MAP_POPULATE) |
993 |
const_iv (MAP_NONBLOCK) |
994 |
|
995 |
const_iv (FIEMAP_FLAG_SYNC) |
996 |
const_iv (FIEMAP_FLAG_XATTR) |
997 |
const_iv (FIEMAP_FLAGS_COMPAT) |
998 |
const_iv (FIEMAP_EXTENT_LAST) |
999 |
const_iv (FIEMAP_EXTENT_UNKNOWN) |
1000 |
const_iv (FIEMAP_EXTENT_DELALLOC) |
1001 |
const_iv (FIEMAP_EXTENT_ENCODED) |
1002 |
const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
1003 |
const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
1004 |
const_iv (FIEMAP_EXTENT_DATA_INLINE) |
1005 |
const_iv (FIEMAP_EXTENT_DATA_TAIL) |
1006 |
const_iv (FIEMAP_EXTENT_UNWRITTEN) |
1007 |
const_iv (FIEMAP_EXTENT_MERGED) |
1008 |
const_iv (FIEMAP_EXTENT_SHARED) |
1009 |
|
1010 |
const_iv (SPLICE_F_MOVE) |
1011 |
const_iv (SPLICE_F_NONBLOCK) |
1012 |
const_iv (SPLICE_F_MORE) |
1013 |
const_iv (SPLICE_F_GIFT) |
1014 |
|
1015 |
const_iv (SEEK_DATA) |
1016 |
const_iv (SEEK_HOLE) |
1017 |
|
1018 |
/* libeio constants */ |
1019 |
const_eio (SEEK_SET) |
1020 |
const_eio (SEEK_CUR) |
1021 |
const_eio (SEEK_END) |
1022 |
|
1023 |
const_eio (MCL_FUTURE) |
1024 |
const_eio (MCL_CURRENT) |
1025 |
|
1026 |
const_eio (MS_ASYNC) |
1027 |
const_eio (MS_INVALIDATE) |
1028 |
const_eio (MS_SYNC) |
1029 |
|
1030 |
const_eio (MT_MODIFY) |
1031 |
|
1032 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1033 |
const_eio (SYNC_FILE_RANGE_WRITE) |
1034 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1035 |
|
1036 |
const_eio (FALLOC_FL_KEEP_SIZE) |
1037 |
const_eio (FALLOC_FL_PUNCH_HOLE) |
1038 |
|
1039 |
const_eio (READDIR_DENTS) |
1040 |
const_eio (READDIR_DIRS_FIRST) |
1041 |
const_eio (READDIR_STAT_ORDER) |
1042 |
const_eio (READDIR_FOUND_UNKNOWN) |
1043 |
|
1044 |
const_eio (DT_UNKNOWN) |
1045 |
const_eio (DT_FIFO) |
1046 |
const_eio (DT_CHR) |
1047 |
const_eio (DT_DIR) |
1048 |
const_eio (DT_BLK) |
1049 |
const_eio (DT_REG) |
1050 |
const_eio (DT_LNK) |
1051 |
const_eio (DT_SOCK) |
1052 |
const_eio (DT_WHT) |
1053 |
}; |
1054 |
|
1055 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
1056 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1057 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1058 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1059 |
|
1060 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1061 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1062 |
|
1063 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1064 |
|
1065 |
reinit (); |
1066 |
} |
1067 |
|
1068 |
void |
1069 |
reinit () |
1070 |
PROTOTYPE: |
1071 |
|
1072 |
void |
1073 |
max_poll_reqs (unsigned int nreqs) |
1074 |
PROTOTYPE: $ |
1075 |
CODE: |
1076 |
eio_set_max_poll_reqs (nreqs); |
1077 |
|
1078 |
void |
1079 |
max_poll_time (double nseconds) |
1080 |
PROTOTYPE: $ |
1081 |
CODE: |
1082 |
eio_set_max_poll_time (nseconds); |
1083 |
|
1084 |
void |
1085 |
min_parallel (unsigned int nthreads) |
1086 |
PROTOTYPE: $ |
1087 |
CODE: |
1088 |
eio_set_min_parallel (nthreads); |
1089 |
|
1090 |
void |
1091 |
max_parallel (unsigned int nthreads) |
1092 |
PROTOTYPE: $ |
1093 |
CODE: |
1094 |
eio_set_max_parallel (nthreads); |
1095 |
|
1096 |
void |
1097 |
max_idle (unsigned int nthreads) |
1098 |
PROTOTYPE: $ |
1099 |
CODE: |
1100 |
eio_set_max_idle (nthreads); |
1101 |
|
1102 |
void |
1103 |
idle_timeout (unsigned int seconds) |
1104 |
PROTOTYPE: $ |
1105 |
CODE: |
1106 |
eio_set_idle_timeout (seconds); |
1107 |
|
1108 |
void |
1109 |
max_outstanding (unsigned int maxreqs) |
1110 |
PROTOTYPE: $ |
1111 |
CODE: |
1112 |
max_outstanding = maxreqs; |
1113 |
|
1114 |
void |
1115 |
aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
1116 |
PPCODE: |
1117 |
{ |
1118 |
dREQ; |
1119 |
|
1120 |
req->type = EIO_WD_OPEN; |
1121 |
req_set_path1 (req, pathname); |
1122 |
|
1123 |
REQ_SEND; |
1124 |
} |
1125 |
|
1126 |
void |
1127 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1128 |
PPCODE: |
1129 |
{ |
1130 |
dREQ; |
1131 |
|
1132 |
req->type = EIO_OPEN; |
1133 |
req_set_path1 (req, pathname); |
1134 |
req->int1 = flags; |
1135 |
req->int2 = mode; |
1136 |
|
1137 |
REQ_SEND; |
1138 |
} |
1139 |
|
1140 |
void |
1141 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1142 |
ALIAS: |
1143 |
aio_fsync = EIO_FSYNC |
1144 |
aio_fdatasync = EIO_FDATASYNC |
1145 |
aio_syncfs = EIO_SYNCFS |
1146 |
PPCODE: |
1147 |
{ |
1148 |
int fd = s_fileno_croak (fh, 0); |
1149 |
dREQ; |
1150 |
|
1151 |
req->type = ix; |
1152 |
req->sv1 = newSVsv (fh); |
1153 |
req->int1 = fd; |
1154 |
|
1155 |
REQ_SEND; |
1156 |
} |
1157 |
|
1158 |
void |
1159 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1160 |
PPCODE: |
1161 |
{ |
1162 |
int fd = s_fileno_croak (fh, 0); |
1163 |
dREQ; |
1164 |
|
1165 |
req->type = EIO_SYNC_FILE_RANGE; |
1166 |
req->sv1 = newSVsv (fh); |
1167 |
req->int1 = fd; |
1168 |
req->offs = offset; |
1169 |
req->size = nbytes; |
1170 |
req->int2 = flags; |
1171 |
|
1172 |
REQ_SEND; |
1173 |
} |
1174 |
|
1175 |
void |
1176 |
aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1177 |
PPCODE: |
1178 |
{ |
1179 |
int fd = s_fileno_croak (fh, 0); |
1180 |
dREQ; |
1181 |
|
1182 |
req->type = EIO_FALLOCATE; |
1183 |
req->sv1 = newSVsv (fh); |
1184 |
req->int1 = fd; |
1185 |
req->int2 = mode; |
1186 |
req->offs = offset; |
1187 |
req->size = len; |
1188 |
|
1189 |
REQ_SEND; |
1190 |
} |
1191 |
|
1192 |
void |
1193 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1194 |
PPCODE: |
1195 |
{ |
1196 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
1197 |
int fd = s_fileno_croak (fh, 0); |
1198 |
dREQ; |
1199 |
|
1200 |
if (expect_false (close_fd < 0)) |
1201 |
{ |
1202 |
int pipefd [2]; |
1203 |
|
1204 |
if ( |
1205 |
#ifdef _WIN32 |
1206 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1207 |
#else |
1208 |
pipe (pipefd) < 0 |
1209 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1210 |
#endif |
1211 |
|| close (pipefd [1]) < 0 |
1212 |
) |
1213 |
abort (); /*D*/ |
1214 |
|
1215 |
close_fd = pipefd [0]; |
1216 |
} |
1217 |
|
1218 |
req->type = EIO_DUP2; |
1219 |
req->int1 = close_fd; |
1220 |
req->sv2 = newSVsv (fh); |
1221 |
req->int2 = fd; |
1222 |
|
1223 |
REQ_SEND; |
1224 |
} |
1225 |
|
1226 |
void |
1227 |
aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) |
1228 |
PPCODE: |
1229 |
{ |
1230 |
int fd = s_fileno_croak (fh, 0); |
1231 |
dREQ; |
1232 |
|
1233 |
req->type = EIO_SEEK; |
1234 |
req->sv1 = newSVsv (fh); |
1235 |
req->int1 = fd; |
1236 |
req->offs = SvVAL64 (offset); |
1237 |
req->int2 = whence; |
1238 |
|
1239 |
REQ_SEND; |
1240 |
} |
1241 |
|
1242 |
void |
1243 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1244 |
ALIAS: |
1245 |
aio_read = EIO_READ |
1246 |
aio_write = EIO_WRITE |
1247 |
PPCODE: |
1248 |
{ |
1249 |
STRLEN svlen; |
1250 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1251 |
char *svptr = SvPVbyte (data, svlen); |
1252 |
UV len = SvUV (length); |
1253 |
|
1254 |
if (dataoffset < 0) |
1255 |
dataoffset += svlen; |
1256 |
|
1257 |
if (dataoffset < 0 || dataoffset > svlen) |
1258 |
croak ("dataoffset outside of data scalar"); |
1259 |
|
1260 |
if (ix == EIO_WRITE) |
1261 |
{ |
1262 |
/* write: check length and adjust. */ |
1263 |
if (!SvOK (length) || len + dataoffset > svlen) |
1264 |
len = svlen - dataoffset; |
1265 |
} |
1266 |
else |
1267 |
{ |
1268 |
/* read: check type and grow scalar as necessary */ |
1269 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1270 |
svptr = sv_grow (data, len + dataoffset + 1); |
1271 |
else if (SvCUR (data) < len + dataoffset) |
1272 |
croak ("length + dataoffset outside of scalar, and cannot grow"); |
1273 |
} |
1274 |
|
1275 |
{ |
1276 |
dREQ; |
1277 |
|
1278 |
req->type = ix; |
1279 |
req->sv1 = newSVsv (fh); |
1280 |
req->int1 = fd; |
1281 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1282 |
req->size = len; |
1283 |
req->sv2 = SvREFCNT_inc (data); |
1284 |
req->ptr2 = (char *)svptr + dataoffset; |
1285 |
req->stroffset = dataoffset; |
1286 |
|
1287 |
if (!SvREADONLY (data)) |
1288 |
{ |
1289 |
SvREADONLY_on (data); |
1290 |
req->flags |= FLAG_SV2_RO_OFF; |
1291 |
} |
1292 |
|
1293 |
REQ_SEND; |
1294 |
} |
1295 |
} |
1296 |
|
1297 |
void |
1298 |
aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1299 |
ALIAS: |
1300 |
aio_readlink = EIO_READLINK |
1301 |
aio_realpath = EIO_REALPATH |
1302 |
PPCODE: |
1303 |
{ |
1304 |
dREQ; |
1305 |
|
1306 |
req->type = ix; |
1307 |
req_set_path1 (req, pathname); |
1308 |
|
1309 |
REQ_SEND; |
1310 |
} |
1311 |
|
1312 |
void |
1313 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1314 |
PPCODE: |
1315 |
{ |
1316 |
int ifd = s_fileno_croak (in_fh , 0); |
1317 |
int ofd = s_fileno_croak (out_fh, 1); |
1318 |
dREQ; |
1319 |
|
1320 |
req->type = EIO_SENDFILE; |
1321 |
req->sv1 = newSVsv (out_fh); |
1322 |
req->int1 = ofd; |
1323 |
req->sv2 = newSVsv (in_fh); |
1324 |
req->int2 = ifd; |
1325 |
req->offs = in_offset; |
1326 |
req->size = length; |
1327 |
|
1328 |
REQ_SEND; |
1329 |
} |
1330 |
|
1331 |
void |
1332 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1333 |
PPCODE: |
1334 |
{ |
1335 |
int fd = s_fileno_croak (fh, 0); |
1336 |
dREQ; |
1337 |
|
1338 |
req->type = EIO_READAHEAD; |
1339 |
req->sv1 = newSVsv (fh); |
1340 |
req->int1 = fd; |
1341 |
req->offs = offset; |
1342 |
req->size = length; |
1343 |
|
1344 |
REQ_SEND; |
1345 |
} |
1346 |
|
1347 |
void |
1348 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1349 |
ALIAS: |
1350 |
aio_stat = EIO_STAT |
1351 |
aio_lstat = EIO_LSTAT |
1352 |
aio_statvfs = EIO_STATVFS |
1353 |
PPCODE: |
1354 |
{ |
1355 |
dREQ; |
1356 |
|
1357 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1358 |
|
1359 |
REQ_SEND; |
1360 |
} |
1361 |
|
1362 |
UV |
1363 |
major (UV dev) |
1364 |
ALIAS: |
1365 |
minor = 1 |
1366 |
CODE: |
1367 |
RETVAL = ix ? major (dev) : minor (dev); |
1368 |
OUTPUT: |
1369 |
RETVAL |
1370 |
|
1371 |
UV |
1372 |
makedev (UV maj, UV min) |
1373 |
CODE: |
1374 |
RETVAL = makedev (maj, min); |
1375 |
OUTPUT: |
1376 |
RETVAL |
1377 |
|
1378 |
void |
1379 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1380 |
PPCODE: |
1381 |
{ |
1382 |
dREQ; |
1383 |
|
1384 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1385 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1386 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1387 |
|
1388 |
REQ_SEND; |
1389 |
} |
1390 |
|
1391 |
void |
1392 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1393 |
PPCODE: |
1394 |
{ |
1395 |
dREQ; |
1396 |
|
1397 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1398 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1399 |
|
1400 |
REQ_SEND; |
1401 |
} |
1402 |
|
1403 |
void |
1404 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1405 |
PPCODE: |
1406 |
{ |
1407 |
dREQ; |
1408 |
|
1409 |
req->int2 = mode; |
1410 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1411 |
|
1412 |
REQ_SEND; |
1413 |
} |
1414 |
|
1415 |
void |
1416 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
1417 |
PPCODE: |
1418 |
{ |
1419 |
dREQ; |
1420 |
|
1421 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1422 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1423 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1424 |
|
1425 |
REQ_SEND; |
1426 |
} |
1427 |
|
1428 |
void |
1429 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1430 |
PPCODE: |
1431 |
{ |
1432 |
dREQ; |
1433 |
|
1434 |
req->type = EIO_READDIR; |
1435 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1436 |
|
1437 |
if (flags & EIO_READDIR_DENTS) |
1438 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1439 |
|
1440 |
req_set_path1 (req, pathname); |
1441 |
|
1442 |
REQ_SEND; |
1443 |
} |
1444 |
|
1445 |
void |
1446 |
aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) |
1447 |
PPCODE: |
1448 |
{ |
1449 |
dREQ; |
1450 |
|
1451 |
req->type = EIO_MKDIR; |
1452 |
req->int2 = mode; |
1453 |
req_set_path1 (req, pathname); |
1454 |
|
1455 |
REQ_SEND; |
1456 |
} |
1457 |
|
1458 |
void |
1459 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1460 |
ALIAS: |
1461 |
aio_unlink = EIO_UNLINK |
1462 |
aio_rmdir = EIO_RMDIR |
1463 |
aio_readdir = EIO_READDIR |
1464 |
PPCODE: |
1465 |
{ |
1466 |
dREQ; |
1467 |
|
1468 |
req->type = ix; |
1469 |
req_set_path1 (req, pathname); |
1470 |
|
1471 |
REQ_SEND; |
1472 |
} |
1473 |
|
1474 |
void |
1475 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1476 |
ALIAS: |
1477 |
aio_link = EIO_LINK |
1478 |
aio_symlink = EIO_SYMLINK |
1479 |
aio_rename = EIO_RENAME |
1480 |
PPCODE: |
1481 |
{ |
1482 |
eio_wd wd2 = 0; |
1483 |
dREQ; |
1484 |
|
1485 |
req->type = ix; |
1486 |
req_set_path1 (req, oldpath); |
1487 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1488 |
req->int3 = (long)wd2; |
1489 |
|
1490 |
REQ_SEND; |
1491 |
} |
1492 |
|
1493 |
void |
1494 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1495 |
PPCODE: |
1496 |
{ |
1497 |
dREQ; |
1498 |
|
1499 |
req->type = EIO_MKNOD; |
1500 |
req->int2 = (mode_t)mode; |
1501 |
req->offs = dev; |
1502 |
req_set_path1 (req, pathname); |
1503 |
|
1504 |
REQ_SEND; |
1505 |
} |
1506 |
|
1507 |
void |
1508 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1509 |
ALIAS: |
1510 |
aio_mtouch = EIO_MTOUCH |
1511 |
aio_msync = EIO_MSYNC |
1512 |
PPCODE: |
1513 |
{ |
1514 |
STRLEN svlen; |
1515 |
char *svptr = SvPVbyte (data, svlen); |
1516 |
UV len = SvUV (length); |
1517 |
|
1518 |
if (offset < 0) |
1519 |
offset += svlen; |
1520 |
|
1521 |
if (offset < 0 || offset > svlen) |
1522 |
croak ("offset outside of scalar"); |
1523 |
|
1524 |
if (!SvOK (length) || len + offset > svlen) |
1525 |
len = svlen - offset; |
1526 |
|
1527 |
{ |
1528 |
dREQ; |
1529 |
|
1530 |
req->type = ix; |
1531 |
req->sv2 = SvREFCNT_inc (data); |
1532 |
req->ptr2 = (char *)svptr + offset; |
1533 |
req->size = len; |
1534 |
req->int1 = flags; |
1535 |
|
1536 |
REQ_SEND; |
1537 |
} |
1538 |
} |
1539 |
|
1540 |
void |
1541 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
1542 |
PPCODE: |
1543 |
{ |
1544 |
STRLEN svlen; |
1545 |
char *svptr = SvPVbyte (data, svlen); |
1546 |
UV len = SvUV (length); |
1547 |
|
1548 |
if (offset < 0) |
1549 |
offset += svlen; |
1550 |
|
1551 |
if (offset < 0 || offset > svlen) |
1552 |
croak ("offset outside of scalar"); |
1553 |
|
1554 |
if (!SvOK (length) || len + offset > svlen) |
1555 |
len = svlen - offset; |
1556 |
|
1557 |
{ |
1558 |
dREQ; |
1559 |
|
1560 |
req->type = EIO_MLOCK; |
1561 |
req->sv2 = SvREFCNT_inc (data); |
1562 |
req->ptr2 = (char *)svptr + offset; |
1563 |
req->size = len; |
1564 |
|
1565 |
REQ_SEND; |
1566 |
} |
1567 |
} |
1568 |
|
1569 |
void |
1570 |
aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
1571 |
PPCODE: |
1572 |
{ |
1573 |
dREQ; |
1574 |
|
1575 |
req->type = EIO_MLOCKALL; |
1576 |
req->int1 = flags; |
1577 |
|
1578 |
REQ_SEND; |
1579 |
} |
1580 |
|
1581 |
void |
1582 |
aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) |
1583 |
PPCODE: |
1584 |
{ |
1585 |
int fd = s_fileno_croak (fh, 0); |
1586 |
dREQ; |
1587 |
|
1588 |
req->type = EIO_CUSTOM; |
1589 |
req->sv1 = newSVsv (fh); |
1590 |
req->int1 = fd; |
1591 |
|
1592 |
req->feed = fiemap; |
1593 |
#if HAVE_FIEMAP |
1594 |
/* keep our fingers crossed that the next two types are 64 bit */ |
1595 |
req->offs = start; |
1596 |
req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
1597 |
req->int2 = flags; |
1598 |
req->int3 = SvOK (count) ? SvIV (count) : -1; |
1599 |
#endif |
1600 |
|
1601 |
REQ_SEND; |
1602 |
} |
1603 |
|
1604 |
void |
1605 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1606 |
PPCODE: |
1607 |
{ |
1608 |
dREQ; |
1609 |
|
1610 |
req->type = EIO_BUSY; |
1611 |
req->nv1 = delay < 0. ? 0. : delay; |
1612 |
|
1613 |
REQ_SEND; |
1614 |
} |
1615 |
|
1616 |
void |
1617 |
aio_group (SV *callback=&PL_sv_undef) |
1618 |
PPCODE: |
1619 |
{ |
1620 |
dREQ; |
1621 |
|
1622 |
req->type = EIO_GROUP; |
1623 |
|
1624 |
PUTBACK; |
1625 |
req_submit (req); |
1626 |
SPAGAIN; |
1627 |
|
1628 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1629 |
} |
1630 |
|
1631 |
void |
1632 |
aio_nop (SV *callback=&PL_sv_undef) |
1633 |
ALIAS: |
1634 |
aio_nop = EIO_NOP |
1635 |
aio_sync = EIO_SYNC |
1636 |
PPCODE: |
1637 |
{ |
1638 |
dREQ; |
1639 |
|
1640 |
req->type = ix; |
1641 |
|
1642 |
REQ_SEND; |
1643 |
} |
1644 |
|
1645 |
int |
1646 |
aioreq_pri (int pri = 0) |
1647 |
CODE: |
1648 |
RETVAL = next_pri; |
1649 |
if (items > 0) |
1650 |
{ |
1651 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1652 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1653 |
next_pri = pri; |
1654 |
} |
1655 |
OUTPUT: |
1656 |
RETVAL |
1657 |
|
1658 |
void |
1659 |
aioreq_nice (int nice = 0) |
1660 |
CODE: |
1661 |
nice = next_pri - nice; |
1662 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1663 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1664 |
next_pri = nice; |
1665 |
|
1666 |
void |
1667 |
flush () |
1668 |
CODE: |
1669 |
while (eio_nreqs ()) |
1670 |
{ |
1671 |
poll_wait (); |
1672 |
poll_cb (); |
1673 |
} |
1674 |
|
1675 |
int |
1676 |
poll () |
1677 |
CODE: |
1678 |
poll_wait (); |
1679 |
RETVAL = poll_cb (); |
1680 |
OUTPUT: |
1681 |
RETVAL |
1682 |
|
1683 |
int |
1684 |
poll_fileno () |
1685 |
CODE: |
1686 |
RETVAL = s_epipe_fd (&respipe); |
1687 |
OUTPUT: |
1688 |
RETVAL |
1689 |
|
1690 |
int |
1691 |
poll_cb (...) |
1692 |
PROTOTYPE: |
1693 |
CODE: |
1694 |
RETVAL = poll_cb (); |
1695 |
OUTPUT: |
1696 |
RETVAL |
1697 |
|
1698 |
void |
1699 |
poll_wait () |
1700 |
CODE: |
1701 |
poll_wait (); |
1702 |
|
1703 |
int |
1704 |
nreqs () |
1705 |
CODE: |
1706 |
RETVAL = eio_nreqs (); |
1707 |
OUTPUT: |
1708 |
RETVAL |
1709 |
|
1710 |
int |
1711 |
nready () |
1712 |
CODE: |
1713 |
RETVAL = eio_nready (); |
1714 |
OUTPUT: |
1715 |
RETVAL |
1716 |
|
1717 |
int |
1718 |
npending () |
1719 |
CODE: |
1720 |
RETVAL = eio_npending (); |
1721 |
OUTPUT: |
1722 |
RETVAL |
1723 |
|
1724 |
int |
1725 |
nthreads () |
1726 |
CODE: |
1727 |
RETVAL = eio_nthreads (); |
1728 |
OUTPUT: |
1729 |
RETVAL |
1730 |
|
1731 |
int |
1732 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1733 |
CODE: |
1734 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1735 |
OUTPUT: |
1736 |
RETVAL |
1737 |
|
1738 |
IV |
1739 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1740 |
CODE: |
1741 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1742 |
OUTPUT: |
1743 |
RETVAL |
1744 |
|
1745 |
void |
1746 |
mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
1747 |
PPCODE: |
1748 |
sv_unmagic (scalar, MMAP_MAGIC); |
1749 |
{ |
1750 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1751 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1752 |
if (addr == (void *)-1) |
1753 |
XSRETURN_NO; |
1754 |
|
1755 |
sv_force_normal (scalar); |
1756 |
|
1757 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
1758 |
sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1759 |
->mg_obj = (SV *)length; |
1760 |
|
1761 |
SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1762 |
|
1763 |
if (!(prot & PROT_WRITE)) |
1764 |
SvREADONLY_on (scalar); |
1765 |
|
1766 |
if (SvLEN (scalar)) |
1767 |
Safefree (SvPVX (scalar)); |
1768 |
|
1769 |
SvPVX (scalar) = (char *)addr; |
1770 |
SvCUR_set (scalar, length); |
1771 |
SvLEN_set (scalar, 0); |
1772 |
SvPOK_only (scalar); |
1773 |
|
1774 |
XSRETURN_YES; |
1775 |
} |
1776 |
|
1777 |
void |
1778 |
munmap (SV *scalar) |
1779 |
CODE: |
1780 |
sv_unmagic (scalar, MMAP_MAGIC); |
1781 |
|
1782 |
int |
1783 |
madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1784 |
ALIAS: |
1785 |
mprotect = 1 |
1786 |
CODE: |
1787 |
{ |
1788 |
STRLEN svlen; |
1789 |
void *addr = SvPVbyte (scalar, svlen); |
1790 |
STRLEN len = SvUV (length); |
1791 |
|
1792 |
if (offset < 0) |
1793 |
offset += svlen; |
1794 |
|
1795 |
if (offset < 0 || offset > svlen) |
1796 |
croak ("offset outside of scalar"); |
1797 |
|
1798 |
if (!SvOK (length) || len + offset > svlen) |
1799 |
len = svlen - offset; |
1800 |
|
1801 |
addr = (void *)(((intptr_t)addr) + offset); |
1802 |
eio_page_align (&addr, &len); |
1803 |
|
1804 |
switch (ix) |
1805 |
{ |
1806 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1807 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1808 |
} |
1809 |
} |
1810 |
OUTPUT: |
1811 |
RETVAL |
1812 |
|
1813 |
int |
1814 |
munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
1815 |
CODE: |
1816 |
{ |
1817 |
STRLEN svlen; |
1818 |
void *addr = SvPVbyte (scalar, svlen); |
1819 |
size_t len = SvUV (length); |
1820 |
|
1821 |
if (offset < 0) |
1822 |
offset += svlen; |
1823 |
|
1824 |
if (offset < 0 || offset > svlen) |
1825 |
croak ("offset outside of scalar"); |
1826 |
|
1827 |
if (!SvOK (length) || len + offset > svlen) |
1828 |
len = svlen - offset; |
1829 |
|
1830 |
addr = (void *)(((intptr_t)addr) + offset); |
1831 |
eio_page_align (&addr, &len); |
1832 |
#if _POSIX_MEMLOCK_RANGE |
1833 |
RETVAL = munlock (addr, len); |
1834 |
#else |
1835 |
RETVAL = EIO_ENOSYS (); |
1836 |
#endif |
1837 |
} |
1838 |
OUTPUT: |
1839 |
RETVAL |
1840 |
|
1841 |
int |
1842 |
munlockall () |
1843 |
CODE: |
1844 |
#if _POSIX_MEMLOCK |
1845 |
munlockall (); |
1846 |
#else |
1847 |
RETVAL = EIO_ENOSYS (); |
1848 |
#endif |
1849 |
OUTPUT: |
1850 |
RETVAL |
1851 |
|
1852 |
int |
1853 |
splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
1854 |
CODE: |
1855 |
{ |
1856 |
#if HAVE_LINUX_SPLICE |
1857 |
loff_t off_in_, off_out_; |
1858 |
RETVAL = splice ( |
1859 |
rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
1860 |
wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
1861 |
length, flags |
1862 |
); |
1863 |
#else |
1864 |
RETVAL = EIO_ENOSYS (); |
1865 |
#endif |
1866 |
} |
1867 |
OUTPUT: |
1868 |
RETVAL |
1869 |
|
1870 |
int |
1871 |
tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
1872 |
CODE: |
1873 |
#if HAVE_LINUX_SPLICE |
1874 |
RETVAL = tee (rfh, wfh, length, flags); |
1875 |
#else |
1876 |
RETVAL = EIO_ENOSYS (); |
1877 |
#endif |
1878 |
OUTPUT: |
1879 |
RETVAL |
1880 |
|
1881 |
int |
1882 |
pipesize (aio_rfd rfh, int new_size = -1) |
1883 |
PROTOTYPE: $;$ |
1884 |
CODE: |
1885 |
#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
1886 |
if (new_size >= 0) |
1887 |
RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
1888 |
else |
1889 |
RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
1890 |
#else |
1891 |
errno = ENOSYS; |
1892 |
RETVAL = -1; |
1893 |
#endif |
1894 |
OUTPUT: |
1895 |
RETVAL |
1896 |
|
1897 |
void _on_next_submit (SV *cb) |
1898 |
CODE: |
1899 |
SvREFCNT_dec (on_next_submit); |
1900 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1901 |
|
1902 |
PROTOTYPES: DISABLE |
1903 |
|
1904 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
1905 |
|
1906 |
BOOT: |
1907 |
{ |
1908 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
1909 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
1910 |
} |
1911 |
|
1912 |
void |
1913 |
DESTROY (SV *self) |
1914 |
CODE: |
1915 |
{ |
1916 |
aio_wd wd = SvAIO_WD (self); |
1917 |
#if HAVE_AT |
1918 |
{ |
1919 |
SV *callback = &PL_sv_undef; |
1920 |
dREQ; /* clobbers next_pri :/ */ |
1921 |
next_pri = req->pri; /* restore next_pri */ |
1922 |
req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
1923 |
req->type = EIO_WD_CLOSE; |
1924 |
req->wd = wd; |
1925 |
REQ_SEND; |
1926 |
} |
1927 |
#else |
1928 |
eio_wd_close_sync (wd); |
1929 |
#endif |
1930 |
} |
1931 |
|
1932 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1933 |
|
1934 |
void |
1935 |
cancel (aio_req_ornot req) |
1936 |
CODE: |
1937 |
eio_cancel (req); |
1938 |
|
1939 |
void |
1940 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1941 |
PPCODE: |
1942 |
{ |
1943 |
if (GIMME_V != G_VOID) |
1944 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1945 |
|
1946 |
if (items > 1) |
1947 |
{ |
1948 |
SV *cb_cv =get_cb (callback); |
1949 |
|
1950 |
SvREFCNT_dec (req->callback); |
1951 |
req->callback = SvREFCNT_inc (cb_cv); |
1952 |
} |
1953 |
} |
1954 |
|
1955 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1956 |
|
1957 |
void |
1958 |
add (aio_req grp, ...) |
1959 |
PPCODE: |
1960 |
{ |
1961 |
int i; |
1962 |
|
1963 |
if (grp->int1 == 2) |
1964 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1965 |
|
1966 |
for (i = 1; i < items; ++i ) |
1967 |
{ |
1968 |
aio_req req; |
1969 |
|
1970 |
if (GIMME_V != G_VOID) |
1971 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1972 |
|
1973 |
req = SvAIO_REQ (ST (i)); |
1974 |
|
1975 |
if (req) |
1976 |
eio_grp_add (grp, req); |
1977 |
} |
1978 |
} |
1979 |
|
1980 |
void |
1981 |
cancel_subs (aio_req_ornot req) |
1982 |
CODE: |
1983 |
req_cancel_subs (req); |
1984 |
|
1985 |
void |
1986 |
result (aio_req grp, ...) |
1987 |
CODE: |
1988 |
{ |
1989 |
int i; |
1990 |
AV *av; |
1991 |
|
1992 |
grp->errorno = errno; |
1993 |
|
1994 |
av = newAV (); |
1995 |
av_extend (av, items - 1); |
1996 |
|
1997 |
for (i = 1; i < items; ++i ) |
1998 |
av_push (av, newSVsv (ST (i))); |
1999 |
|
2000 |
SvREFCNT_dec (grp->sv1); |
2001 |
grp->sv1 = (SV *)av; |
2002 |
} |
2003 |
|
2004 |
void |
2005 |
errno (aio_req grp, int errorno = errno) |
2006 |
CODE: |
2007 |
grp->errorno = errorno; |
2008 |
|
2009 |
void |
2010 |
limit (aio_req grp, int limit) |
2011 |
CODE: |
2012 |
eio_grp_limit (grp, limit); |
2013 |
|
2014 |
void |
2015 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
2016 |
CODE: |
2017 |
{ |
2018 |
SvREFCNT_dec (grp->sv2); |
2019 |
grp->sv2 = newSVsv (callback); |
2020 |
grp->feed = aio_grp_feed; |
2021 |
|
2022 |
if (grp->int2 <= 0) |
2023 |
grp->int2 = 2; |
2024 |
|
2025 |
eio_grp_limit (grp, grp->int2); |
2026 |
} |
2027 |
|