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. don't complain to me if this fails |
27 |
* for you. |
28 |
*/ |
29 |
#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
30 |
# include <linux/fs.h> |
31 |
# ifdef FS_IOC_FIEMAP |
32 |
# include <linux/types.h> |
33 |
# include <linux/fiemap.h> |
34 |
# define HAVE_FIEMAP 1 |
35 |
# endif |
36 |
#endif |
37 |
|
38 |
/* perl namespace pollution */ |
39 |
#undef VERSION |
40 |
|
41 |
/* perl stupidly overrides readdir and maybe others */ |
42 |
/* with thread-unsafe versions, imagine that :( */ |
43 |
#undef readdir |
44 |
#undef opendir |
45 |
#undef closedir |
46 |
|
47 |
#ifdef _WIN32 |
48 |
|
49 |
// perl overrides all those nice libc functions |
50 |
|
51 |
#undef malloc |
52 |
#undef free |
53 |
#undef open |
54 |
#undef read |
55 |
#undef write |
56 |
#undef send |
57 |
#undef recv |
58 |
#undef stat |
59 |
#undef lstat |
60 |
#undef fstat |
61 |
#undef truncate |
62 |
#undef ftruncate |
63 |
#undef open |
64 |
#undef link |
65 |
#undef close |
66 |
#undef unlink |
67 |
#undef mkdir |
68 |
#undef rmdir |
69 |
#undef rename |
70 |
#undef lseek |
71 |
#undef opendir |
72 |
#undef readdir |
73 |
#undef closedir |
74 |
#undef chmod |
75 |
#undef fchmod |
76 |
#undef dup |
77 |
#undef dup2 |
78 |
#undef abort |
79 |
#undef pipe |
80 |
|
81 |
#define EIO_STRUCT_STAT struct _stati64 |
82 |
#define EIO_STRUCT_STATI64 |
83 |
|
84 |
#else |
85 |
|
86 |
#include <sys/time.h> |
87 |
#include <sys/select.h> |
88 |
#include <unistd.h> |
89 |
#include <utime.h> |
90 |
#include <signal.h> |
91 |
|
92 |
#define EIO_STRUCT_STAT Stat_t |
93 |
|
94 |
#endif |
95 |
|
96 |
/*****************************************************************************/ |
97 |
|
98 |
#if __GNUC__ >= 3 |
99 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
100 |
#else |
101 |
# define expect(expr,value) (expr) |
102 |
#endif |
103 |
|
104 |
#define expect_false(expr) expect ((expr) != 0, 0) |
105 |
#define expect_true(expr) expect ((expr) != 0, 1) |
106 |
|
107 |
/*****************************************************************************/ |
108 |
|
109 |
#include "libeio/config.h" |
110 |
|
111 |
#if HAVE_RLIMITS |
112 |
#include <sys/time.h> |
113 |
#include <sys/resource.h> |
114 |
#endif |
115 |
|
116 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
117 |
typedef int aio_rfd; /* read file desriptor */ |
118 |
typedef int aio_wfd; /* write file descriptor */ |
119 |
|
120 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
121 |
|
122 |
#define EIO_REQ_MEMBERS \ |
123 |
SV *callback; \ |
124 |
SV *sv1, *sv2; \ |
125 |
SV *sv3, *sv4; \ |
126 |
STRLEN stroffset; \ |
127 |
SV *self; |
128 |
|
129 |
#define EIO_NO_WRAPPERS 1 |
130 |
|
131 |
#include "libeio/eio.h" |
132 |
|
133 |
static int req_invoke (eio_req *req); |
134 |
#define EIO_FINISH(req) req_invoke (req) |
135 |
static void req_destroy (eio_req *grp); |
136 |
#define EIO_DESTROY(req) req_destroy (req) |
137 |
|
138 |
#include "libeio/eio.c" |
139 |
|
140 |
#if !HAVE_POSIX_FADVISE |
141 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
142 |
#endif |
143 |
|
144 |
#if !HAVE_POSIX_MADVISE |
145 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
146 |
#endif |
147 |
|
148 |
#ifndef MAP_ANONYMOUS |
149 |
# ifdef MAP_ANON |
150 |
# define MAP_ANONYMOUS MAP_ANON |
151 |
# else |
152 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
153 |
# endif |
154 |
#endif |
155 |
|
156 |
/* defines all sorts of constants to 0 unless they are already defined */ |
157 |
/* also provides const_iv_ and const_niv_ macros for them */ |
158 |
#include "def0.h" |
159 |
|
160 |
#ifndef makedev |
161 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
162 |
#endif |
163 |
#ifndef major |
164 |
# define major(dev) ((dev) >> 8) |
165 |
#endif |
166 |
#ifndef minor |
167 |
# define minor(dev) ((dev) & 0xff) |
168 |
#endif |
169 |
|
170 |
#if PAGESIZE <= 0 |
171 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
172 |
#endif |
173 |
|
174 |
/*****************************************************************************/ |
175 |
|
176 |
#if !_POSIX_MAPPED_FILES |
177 |
# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS () |
178 |
# define munmap(addr,length) EIO_ENOSYS () |
179 |
#endif |
180 |
|
181 |
#if !_POSIX_MEMORY_PROTECTION |
182 |
# define mprotect(addr,len,prot) EIO_ENOSYS () |
183 |
#endif |
184 |
|
185 |
#define FOREIGN_MAGIC PERL_MAGIC_ext |
186 |
|
187 |
static int ecb_cold |
188 |
mmap_free (pTHX_ SV *sv, MAGIC *mg) |
189 |
{ |
190 |
int old_errno = errno; |
191 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
192 |
errno = old_errno; |
193 |
|
194 |
mg->mg_obj = 0; /* just in case */ |
195 |
|
196 |
SvREADONLY_off (sv); |
197 |
|
198 |
if (SvPVX (sv) != mg->mg_ptr) |
199 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
200 |
|
201 |
SvCUR_set (sv, 0); |
202 |
SvPVX (sv) = 0; |
203 |
SvOK_off (sv); |
204 |
|
205 |
return 0; |
206 |
} |
207 |
|
208 |
static MGVTBL mmap_vtbl = { |
209 |
0, 0, 0, 0, mmap_free |
210 |
}; |
211 |
|
212 |
static int ecb_cold |
213 |
sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
214 |
{ |
215 |
free (mg->mg_ptr); |
216 |
mg->mg_obj = 0; /* just in case */ |
217 |
|
218 |
SvREADONLY_off (sv); |
219 |
|
220 |
if (SvPVX (sv) != mg->mg_ptr) |
221 |
croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
222 |
|
223 |
SvCUR_set (sv, 0); |
224 |
SvPVX (sv) = 0; |
225 |
SvOK_off (sv); |
226 |
|
227 |
return 0; |
228 |
} |
229 |
|
230 |
static MGVTBL sysfree_vtbl = { |
231 |
0, 0, 0, 0, sysfree_free |
232 |
}; |
233 |
|
234 |
/*****************************************************************************/ |
235 |
|
236 |
/* helper: set scalar to foreign ptr with custom free */ |
237 |
static void |
238 |
sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
239 |
{ |
240 |
sv_force_normal (sv); |
241 |
|
242 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
243 |
sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
244 |
->mg_obj = (SV *)length; |
245 |
|
246 |
SvUPGRADE (sv, SVt_PV); /* nop... */ |
247 |
|
248 |
if (SvLEN (sv)) |
249 |
Safefree (SvPVX (sv)); |
250 |
|
251 |
SvPVX (sv) = (char *)addr; |
252 |
SvCUR_set (sv, length); |
253 |
SvLEN_set (sv, 0); |
254 |
SvPOK_only (sv); |
255 |
} |
256 |
|
257 |
static void |
258 |
sv_clear_foreign (SV *sv) |
259 |
{ |
260 |
/* todo: iterate over magic and only free ours, but of course */ |
261 |
/* the perl5porters will call that (correct) behaviour buggy */ |
262 |
sv_unmagic (sv, FOREIGN_MAGIC); |
263 |
} |
264 |
|
265 |
/*****************************************************************************/ |
266 |
|
267 |
static void |
268 |
fiemap (eio_req *req) |
269 |
{ |
270 |
req->result = -1; |
271 |
|
272 |
#if HAVE_FIEMAP |
273 |
/* assume some c99 */ |
274 |
struct fiemap *fiemap = 0; |
275 |
size_t end_offset; |
276 |
int count = req->int3; |
277 |
|
278 |
req->flags |= EIO_FLAG_PTR1_FREE; |
279 |
|
280 |
/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
281 |
/* increase in 3.5kb steps */ |
282 |
if (count < 0) |
283 |
count = 8; |
284 |
|
285 |
fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
286 |
errno = ENOMEM; |
287 |
if (!fiemap) |
288 |
return; |
289 |
|
290 |
req->ptr1 = fiemap; |
291 |
|
292 |
fiemap->fm_start = req->offs; |
293 |
fiemap->fm_length = req->size; |
294 |
fiemap->fm_flags = req->int2; |
295 |
fiemap->fm_extent_count = count; |
296 |
|
297 |
if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
298 |
return; |
299 |
|
300 |
if (req->int3 >= 0 /* not autosizing */ |
301 |
|| !fiemap->fm_mapped_extents /* no more extents */ |
302 |
|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
303 |
goto done; |
304 |
|
305 |
/* else we have to loop - |
306 |
* it would be tempting (actually I tried that first) to just query the |
307 |
* number of extents needed, but linux often feels like not returning all |
308 |
* extents, without telling us it left any out. this complicates |
309 |
* this quite a bit. |
310 |
*/ |
311 |
|
312 |
end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
313 |
|
314 |
for (;;) |
315 |
{ |
316 |
/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
317 |
char scratch[3072]; |
318 |
struct fiemap *incmap = (struct fiemap *)scratch; |
319 |
|
320 |
incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
321 |
+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
322 |
incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
323 |
incmap->fm_flags = fiemap->fm_flags; |
324 |
incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
325 |
|
326 |
if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
327 |
return; |
328 |
|
329 |
if (!incmap->fm_mapped_extents) |
330 |
goto done; |
331 |
|
332 |
count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
333 |
fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
334 |
errno = ENOMEM; |
335 |
if (!fiemap) |
336 |
return; |
337 |
|
338 |
req->ptr1 = fiemap; |
339 |
|
340 |
for (count = 0; count < incmap->fm_mapped_extents; ++count) |
341 |
{ |
342 |
struct fiemap_extent *e = incmap->fm_extents + count; |
343 |
|
344 |
if (e->fe_logical + e->fe_length >= end_offset) |
345 |
goto done; |
346 |
|
347 |
fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
348 |
|
349 |
if (e->fe_flags & FIEMAP_EXTENT_LAST) |
350 |
goto done; |
351 |
|
352 |
} |
353 |
} |
354 |
|
355 |
done: |
356 |
req->result = 0; |
357 |
|
358 |
#else |
359 |
errno = ENOSYS; |
360 |
#endif |
361 |
} |
362 |
|
363 |
/*****************************************************************************/ |
364 |
|
365 |
enum { |
366 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
367 |
}; |
368 |
|
369 |
typedef eio_req *aio_req; |
370 |
typedef eio_req *aio_req_ornot; |
371 |
typedef eio_wd aio_wd; |
372 |
|
373 |
static SV *on_next_submit; |
374 |
static int next_pri = EIO_PRI_DEFAULT; |
375 |
static int max_outstanding; |
376 |
|
377 |
static s_epipe respipe; |
378 |
|
379 |
static void req_destroy (aio_req req); |
380 |
static void req_cancel (aio_req req); |
381 |
|
382 |
static void |
383 |
want_poll (void) |
384 |
{ |
385 |
/* write a dummy byte to the pipe so fh becomes ready */ |
386 |
s_epipe_signal (&respipe); |
387 |
} |
388 |
|
389 |
static void |
390 |
done_poll (void) |
391 |
{ |
392 |
/* read any signals sent by the worker threads */ |
393 |
s_epipe_drain (&respipe); |
394 |
} |
395 |
|
396 |
/* must be called at most once */ |
397 |
static SV * |
398 |
req_sv (aio_req req, HV *stash) |
399 |
{ |
400 |
if (!req->self) |
401 |
{ |
402 |
req->self = (SV *)newHV (); |
403 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
404 |
} |
405 |
|
406 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
407 |
} |
408 |
|
409 |
static SV * |
410 |
newSVaio_wd (aio_wd wd) |
411 |
{ |
412 |
return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
413 |
} |
414 |
|
415 |
static aio_req |
416 |
SvAIO_REQ (SV *sv) |
417 |
{ |
418 |
MAGIC *mg; |
419 |
|
420 |
if (!SvROK (sv) |
421 |
/* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
422 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
423 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
424 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
425 |
croak ("object of class IO::AIO::REQ expected"); |
426 |
|
427 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
428 |
|
429 |
return mg ? (aio_req)mg->mg_ptr : 0; |
430 |
} |
431 |
|
432 |
static aio_wd |
433 |
SvAIO_WD (SV *sv) |
434 |
{ |
435 |
if (!SvROK (sv) |
436 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG |
437 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash) |
438 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
439 |
|
440 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
441 |
} |
442 |
|
443 |
static SV * |
444 |
newmortalFH (int fd, int flags) |
445 |
{ |
446 |
if (fd < 0) |
447 |
return &PL_sv_undef; |
448 |
|
449 |
GV *gv = (GV *)sv_newmortal (); |
450 |
char sym[64]; |
451 |
int symlen; |
452 |
|
453 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
454 |
gv_init (gv, aio_stash, sym, symlen, 0); |
455 |
|
456 |
symlen = snprintf ( |
457 |
sym, |
458 |
sizeof (sym), |
459 |
"%s&=%d", |
460 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
461 |
fd |
462 |
); |
463 |
|
464 |
return do_open (gv, sym, symlen, 0, 0, 0, 0) |
465 |
? (SV *)gv : &PL_sv_undef; |
466 |
} |
467 |
|
468 |
static void |
469 |
aio_grp_feed (aio_req grp) |
470 |
{ |
471 |
if (grp->sv2 && SvOK (grp->sv2)) |
472 |
{ |
473 |
dSP; |
474 |
|
475 |
ENTER; |
476 |
SAVETMPS; |
477 |
PUSHMARK (SP); |
478 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
479 |
PUTBACK; |
480 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
481 |
SPAGAIN; |
482 |
FREETMPS; |
483 |
LEAVE; |
484 |
} |
485 |
} |
486 |
|
487 |
static void |
488 |
req_submit (eio_req *req) |
489 |
{ |
490 |
eio_submit (req); |
491 |
|
492 |
if (expect_false (on_next_submit)) |
493 |
{ |
494 |
dSP; |
495 |
SV *cb = sv_2mortal (on_next_submit); |
496 |
|
497 |
on_next_submit = 0; |
498 |
|
499 |
PUSHMARK (SP); |
500 |
PUTBACK; |
501 |
call_sv (cb, G_DISCARD | G_EVAL); |
502 |
} |
503 |
} |
504 |
|
505 |
static int |
506 |
req_invoke (eio_req *req) |
507 |
{ |
508 |
if (req->flags & FLAG_SV2_RO_OFF) |
509 |
SvREADONLY_off (req->sv2); |
510 |
|
511 |
if (!EIO_CANCELLED (req) && req->callback) |
512 |
{ |
513 |
dSP; |
514 |
static SV *sv_result_cache; /* caches the result integer SV */ |
515 |
SV *sv_result; |
516 |
|
517 |
ENTER; |
518 |
SAVETMPS; |
519 |
PUSHMARK (SP); |
520 |
EXTEND (SP, 1); |
521 |
|
522 |
/* do not recreate the result IV from scratch each time */ |
523 |
if (expect_true (sv_result_cache)) |
524 |
{ |
525 |
sv_result = sv_result_cache; sv_result_cache = 0; |
526 |
SvIV_set (sv_result, req->result); |
527 |
SvIOK_only (sv_result); |
528 |
} |
529 |
else |
530 |
{ |
531 |
sv_result = newSViv (req->result); |
532 |
SvREADONLY_on (sv_result); |
533 |
} |
534 |
|
535 |
switch (req->type) |
536 |
{ |
537 |
case EIO_WD_OPEN: |
538 |
PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
539 |
break; |
540 |
|
541 |
case EIO_READDIR: |
542 |
{ |
543 |
SV *rv = &PL_sv_undef; |
544 |
|
545 |
if (req->result >= 0) |
546 |
{ |
547 |
int i; |
548 |
char *names = (char *)req->ptr2; |
549 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
550 |
AV *av = newAV (); |
551 |
|
552 |
av_extend (av, req->result - 1); |
553 |
|
554 |
for (i = 0; i < req->result; ++i) |
555 |
{ |
556 |
if (req->int1 & EIO_READDIR_DENTS) |
557 |
{ |
558 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
559 |
|
560 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
561 |
{ |
562 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
563 |
AV *avent = newAV (); |
564 |
|
565 |
av_extend (avent, 2); |
566 |
|
567 |
if (!sv_type [ent->type]) |
568 |
{ |
569 |
sv_type [ent->type] = newSViv (ent->type); |
570 |
SvREADONLY_on (sv_type [ent->type]); |
571 |
} |
572 |
|
573 |
av_store (avent, 0, namesv); |
574 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
575 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
576 |
|
577 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
578 |
} |
579 |
else |
580 |
av_store (av, i, namesv); |
581 |
|
582 |
++ent; |
583 |
} |
584 |
else |
585 |
{ |
586 |
SV *name = newSVpv (names, 0); |
587 |
av_store (av, i, name); |
588 |
names += SvCUR (name) + 1; |
589 |
} |
590 |
} |
591 |
|
592 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
593 |
} |
594 |
|
595 |
PUSHs (rv); |
596 |
|
597 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
598 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
599 |
} |
600 |
break; |
601 |
|
602 |
case EIO_OPEN: |
603 |
PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
604 |
break; |
605 |
|
606 |
case EIO_STATVFS: |
607 |
case EIO_FSTATVFS: |
608 |
{ |
609 |
SV *rv = &PL_sv_undef; |
610 |
|
611 |
#ifndef _WIN32 |
612 |
if (req->result >= 0) |
613 |
{ |
614 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
615 |
HV *hv = newHV (); |
616 |
/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
617 |
* chooses to make it a struct. |
618 |
*/ |
619 |
unsigned long fsid = 0; |
620 |
memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
621 |
|
622 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
623 |
|
624 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
625 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
626 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
627 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
628 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
629 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
630 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
631 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
632 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
633 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
634 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
635 |
} |
636 |
#endif |
637 |
|
638 |
PUSHs (rv); |
639 |
} |
640 |
|
641 |
break; |
642 |
|
643 |
case EIO_GROUP: |
644 |
req->int1 = 2; /* mark group as finished */ |
645 |
|
646 |
if (req->sv1) |
647 |
{ |
648 |
int i; |
649 |
AV *av = (AV *)req->sv1; |
650 |
|
651 |
EXTEND (SP, AvFILL (av) + 1); |
652 |
for (i = 0; i <= AvFILL (av); ++i) |
653 |
PUSHs (*av_fetch (av, i, 0)); |
654 |
} |
655 |
break; |
656 |
|
657 |
case EIO_NOP: |
658 |
case EIO_BUSY: |
659 |
break; |
660 |
|
661 |
case EIO_READLINK: |
662 |
case EIO_REALPATH: |
663 |
if (req->result > 0) |
664 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
665 |
break; |
666 |
|
667 |
case EIO_STAT: |
668 |
case EIO_LSTAT: |
669 |
case EIO_FSTAT: |
670 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
671 |
|
672 |
if (!(PL_laststatval = req->result)) |
673 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
674 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
675 |
|
676 |
PUSHs (sv_result); |
677 |
break; |
678 |
|
679 |
case EIO_SEEK: |
680 |
PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
681 |
break; |
682 |
|
683 |
case EIO_READ: |
684 |
{ |
685 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
686 |
*SvEND (req->sv2) = 0; |
687 |
SvPOK_only (req->sv2); |
688 |
SvSETMAGIC (req->sv2); |
689 |
PUSHs (sv_result); |
690 |
} |
691 |
break; |
692 |
|
693 |
case EIO_SLURP: |
694 |
{ |
695 |
if (req->result >= 0) |
696 |
{ |
697 |
/* if length was originally not known, we steal the malloc'ed memory */ |
698 |
if (req->flags & EIO_FLAG_PTR2_FREE) |
699 |
{ |
700 |
req->flags &= ~EIO_FLAG_PTR2_FREE; |
701 |
sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
702 |
} |
703 |
else |
704 |
{ |
705 |
SvCUR_set (req->sv2, req->result); |
706 |
*SvEND (req->sv2) = 0; |
707 |
SvPOK_only (req->sv2); |
708 |
} |
709 |
|
710 |
SvSETMAGIC (req->sv2); |
711 |
} |
712 |
|
713 |
PUSHs (sv_result); |
714 |
} |
715 |
break; |
716 |
|
717 |
case EIO_CUSTOM: |
718 |
if (req->feed == fiemap) |
719 |
{ |
720 |
#if HAVE_FIEMAP |
721 |
if (!req->result) |
722 |
{ |
723 |
struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
724 |
|
725 |
if (fiemap->fm_extent_count) |
726 |
{ |
727 |
AV *av = newAV (); |
728 |
int i; |
729 |
|
730 |
while (fiemap->fm_mapped_extents) |
731 |
{ |
732 |
struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
733 |
AV *ext_av = newAV (); |
734 |
|
735 |
av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
736 |
av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
737 |
av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
738 |
av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
739 |
|
740 |
av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
741 |
} |
742 |
|
743 |
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
744 |
} |
745 |
else |
746 |
{ |
747 |
SvIV_set (sv_result, fiemap->fm_mapped_extents); |
748 |
PUSHs (sv_result); |
749 |
} |
750 |
} |
751 |
#endif |
752 |
} |
753 |
else |
754 |
PUSHs (sv_result); |
755 |
break; |
756 |
|
757 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
758 |
if (req->result > 0) |
759 |
SvIV_set (sv_result, 0); |
760 |
/* FALLTHROUGH */ |
761 |
|
762 |
default: |
763 |
PUSHs (sv_result); |
764 |
break; |
765 |
} |
766 |
|
767 |
errno = req->errorno; |
768 |
|
769 |
PUTBACK; |
770 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
771 |
SPAGAIN; |
772 |
|
773 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
774 |
SvREFCNT_dec (sv_result); |
775 |
else |
776 |
sv_result_cache = sv_result; |
777 |
|
778 |
FREETMPS; |
779 |
LEAVE; |
780 |
|
781 |
PUTBACK; |
782 |
} |
783 |
|
784 |
return !!SvTRUE (ERRSV); |
785 |
} |
786 |
|
787 |
static void |
788 |
req_destroy (aio_req req) |
789 |
{ |
790 |
if (req->self) |
791 |
{ |
792 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
793 |
SvREFCNT_dec (req->self); |
794 |
} |
795 |
|
796 |
SvREFCNT_dec (req->sv1); |
797 |
SvREFCNT_dec (req->sv2); |
798 |
SvREFCNT_dec (req->sv3); |
799 |
SvREFCNT_dec (req->sv4); |
800 |
SvREFCNT_dec (req->callback); |
801 |
|
802 |
free (req); |
803 |
} |
804 |
|
805 |
static void |
806 |
req_cancel_subs (aio_req grp) |
807 |
{ |
808 |
if (grp->type != EIO_GROUP) |
809 |
return; |
810 |
|
811 |
SvREFCNT_dec (grp->sv2); |
812 |
grp->sv2 = 0; |
813 |
|
814 |
eio_grp_cancel (grp); |
815 |
} |
816 |
|
817 |
static void ecb_cold |
818 |
create_respipe (void) |
819 |
{ |
820 |
if (s_epipe_renew (&respipe)) |
821 |
croak ("IO::AIO: unable to initialize result pipe"); |
822 |
} |
823 |
|
824 |
static void |
825 |
poll_wait (void) |
826 |
{ |
827 |
while (eio_nreqs ()) |
828 |
{ |
829 |
int size; |
830 |
|
831 |
X_LOCK (EIO_POOL->reslock); |
832 |
size = EIO_POOL->res_queue.size; |
833 |
X_UNLOCK (EIO_POOL->reslock); |
834 |
|
835 |
if (size) |
836 |
return; |
837 |
|
838 |
etp_maybe_start_thread (EIO_POOL); |
839 |
|
840 |
s_epipe_wait (&respipe); |
841 |
} |
842 |
} |
843 |
|
844 |
static int |
845 |
poll_cb (void) |
846 |
{ |
847 |
for (;;) |
848 |
{ |
849 |
int res = eio_poll (); |
850 |
|
851 |
if (res > 0) |
852 |
croak (0); |
853 |
|
854 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
855 |
return res; |
856 |
|
857 |
poll_wait (); |
858 |
} |
859 |
} |
860 |
|
861 |
static void ecb_cold |
862 |
reinit (void) |
863 |
{ |
864 |
create_respipe (); |
865 |
|
866 |
if (eio_init (want_poll, done_poll) < 0) |
867 |
croak ("IO::AIO: unable to initialise eio library"); |
868 |
} |
869 |
|
870 |
/*****************************************************************************/ |
871 |
|
872 |
static SV * |
873 |
get_cb (SV *cb_sv) |
874 |
{ |
875 |
SvGETMAGIC (cb_sv); |
876 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
877 |
} |
878 |
|
879 |
static aio_req ecb_noinline |
880 |
dreq (SV *callback) |
881 |
{ |
882 |
SV *cb_cv; |
883 |
aio_req req; |
884 |
int req_pri = next_pri; |
885 |
next_pri = EIO_PRI_DEFAULT; |
886 |
|
887 |
cb_cv = get_cb (callback); |
888 |
|
889 |
req = calloc (sizeof (*req), 1); |
890 |
if (!req) |
891 |
croak ("out of memory during eio_req allocation"); |
892 |
|
893 |
req->callback = SvREFCNT_inc (cb_cv); |
894 |
req->pri = req_pri; |
895 |
|
896 |
return req; |
897 |
} |
898 |
|
899 |
#define dREQ \ |
900 |
aio_req req = dreq (callback); \ |
901 |
|
902 |
#define REQ_SEND \ |
903 |
PUTBACK; \ |
904 |
req_submit (req); \ |
905 |
SPAGAIN; \ |
906 |
\ |
907 |
if (GIMME_V != G_VOID) \ |
908 |
XPUSHs (req_sv (req, aio_req_stash)); |
909 |
|
910 |
ecb_inline void |
911 |
req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
912 |
{ |
913 |
if (expect_false (SvROK (path))) |
914 |
{ |
915 |
SV *rv = SvRV (path); |
916 |
SV *wdob; |
917 |
|
918 |
if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
919 |
{ |
920 |
path = AvARRAY (rv)[1]; |
921 |
wdob = AvARRAY (rv)[0]; |
922 |
|
923 |
if (SvOK (wdob)) |
924 |
{ |
925 |
*wd = SvAIO_WD (wdob); |
926 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
927 |
} |
928 |
else |
929 |
*wd = EIO_INVALID_WD; |
930 |
} |
931 |
else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
932 |
{ |
933 |
*wd = (aio_wd)(long)SvIVX (rv); |
934 |
*wdsv = SvREFCNT_inc_NN (rv); |
935 |
*ptr = "."; |
936 |
return; /* path set to "." */ |
937 |
} |
938 |
else |
939 |
croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
940 |
} |
941 |
|
942 |
*pathsv = newSVsv (path); |
943 |
*ptr = SvPVbyte_nolen (*pathsv); |
944 |
} |
945 |
|
946 |
static void ecb_noinline |
947 |
req_set_path1 (aio_req req, SV *path) |
948 |
{ |
949 |
req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
950 |
} |
951 |
|
952 |
static void ecb_noinline |
953 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
954 |
{ |
955 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
956 |
|
957 |
switch (SvTYPE (rv)) |
958 |
{ |
959 |
case SVt_PVIO: |
960 |
case SVt_PVLV: |
961 |
case SVt_PVGV: |
962 |
req->type = type_fh; |
963 |
req->sv1 = newSVsv (fh_or_path); |
964 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
965 |
break; |
966 |
|
967 |
default: |
968 |
req->type = type_path; |
969 |
req_set_path1 (req, fh_or_path); |
970 |
break; |
971 |
} |
972 |
} |
973 |
|
974 |
XS(boot_IO__AIO) ecb_cold; |
975 |
|
976 |
MODULE = IO::AIO PACKAGE = IO::AIO |
977 |
|
978 |
PROTOTYPES: ENABLE |
979 |
|
980 |
BOOT: |
981 |
{ |
982 |
static const struct { |
983 |
const char *name; |
984 |
IV iv; |
985 |
} *civ, const_iv[] = { |
986 |
# define const_niv(name, value) { # name, (IV) value }, |
987 |
# define const_iv(name) { # name, (IV) name }, |
988 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
989 |
|
990 |
/* you have to re-run ./gendef0 after adding/removing any constants here */ |
991 |
/* the first block can be undef if missing */ |
992 |
const_iv (ENOSYS) |
993 |
const_iv (EXDEV) |
994 |
const_iv (EBADR) |
995 |
|
996 |
/* for lseek */ |
997 |
const_iv (SEEK_DATA) |
998 |
const_iv (SEEK_HOLE) |
999 |
|
1000 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
1001 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
1002 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
1003 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
1004 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
1005 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
1006 |
|
1007 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
1008 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
1009 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
1010 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
1011 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
1012 |
|
1013 |
/* the second block will be 0 when missing */ |
1014 |
const_iv (O_RDONLY) |
1015 |
const_iv (O_WRONLY) |
1016 |
const_iv (O_RDWR) |
1017 |
const_iv (O_CREAT) |
1018 |
const_iv (O_TRUNC) |
1019 |
const_iv (O_EXCL) |
1020 |
const_iv (O_APPEND) |
1021 |
|
1022 |
const_iv (O_ASYNC) |
1023 |
const_iv (O_DIRECT) |
1024 |
const_iv (O_NOATIME) |
1025 |
|
1026 |
const_iv (O_CLOEXEC) |
1027 |
const_iv (O_NOCTTY) |
1028 |
const_iv (O_NOFOLLOW) |
1029 |
const_iv (O_NONBLOCK) |
1030 |
const_iv (O_EXEC) |
1031 |
const_iv (O_SEARCH) |
1032 |
const_iv (O_DIRECTORY) |
1033 |
const_iv (O_DSYNC) |
1034 |
const_iv (O_RSYNC) |
1035 |
const_iv (O_SYNC) |
1036 |
const_iv (O_PATH) |
1037 |
const_iv (O_TMPFILE) |
1038 |
const_iv (O_TTY_INIT) |
1039 |
|
1040 |
const_iv (S_IFIFO) |
1041 |
const_iv (S_IFCHR) |
1042 |
const_iv (S_IFBLK) |
1043 |
const_iv (S_IFLNK) |
1044 |
const_iv (S_IFREG) |
1045 |
const_iv (S_IFDIR) |
1046 |
const_iv (S_IFWHT) |
1047 |
const_iv (S_IFSOCK) |
1048 |
const_iv (S_IFMT) |
1049 |
|
1050 |
const_iv (ST_RDONLY) |
1051 |
const_iv (ST_NOSUID) |
1052 |
const_iv (ST_NODEV) |
1053 |
const_iv (ST_NOEXEC) |
1054 |
const_iv (ST_SYNCHRONOUS) |
1055 |
const_iv (ST_MANDLOCK) |
1056 |
const_iv (ST_WRITE) |
1057 |
const_iv (ST_APPEND) |
1058 |
const_iv (ST_IMMUTABLE) |
1059 |
const_iv (ST_NOATIME) |
1060 |
const_iv (ST_NODIRATIME) |
1061 |
const_iv (ST_RELATIME) |
1062 |
|
1063 |
const_iv (PROT_NONE) |
1064 |
const_iv (PROT_EXEC) |
1065 |
const_iv (PROT_READ) |
1066 |
const_iv (PROT_WRITE) |
1067 |
|
1068 |
const_iv (MAP_PRIVATE) |
1069 |
const_iv (MAP_SHARED) |
1070 |
const_iv (MAP_FIXED) |
1071 |
const_iv (MAP_ANONYMOUS) |
1072 |
|
1073 |
/* linuxish */ |
1074 |
const_iv (MAP_LOCKED) |
1075 |
const_iv (MAP_NORESERVE) |
1076 |
const_iv (MAP_POPULATE) |
1077 |
const_iv (MAP_NONBLOCK) |
1078 |
const_iv (MAP_GROWSDOWN) |
1079 |
const_iv (MAP_32BIT) |
1080 |
const_iv (MAP_HUGETLB) |
1081 |
const_iv (MAP_STACK) |
1082 |
|
1083 |
const_iv (F_DUPFD_CLOEXEC) |
1084 |
|
1085 |
const_iv (F_OFD_GETLK) |
1086 |
const_iv (F_OFD_SETLK) |
1087 |
const_iv (F_OFD_GETLKW) |
1088 |
|
1089 |
const_iv (FIFREEZE) |
1090 |
const_iv (FITHAW) |
1091 |
const_iv (FITRIM) |
1092 |
const_iv (FICLONE) |
1093 |
const_iv (FICLONERANGE) |
1094 |
const_iv (FIDEDUPERANGE) |
1095 |
|
1096 |
const_iv (FS_IOC_GETFLAGS) |
1097 |
const_iv (FS_IOC_SETFLAGS) |
1098 |
const_iv (FS_IOC_GETVERSION) |
1099 |
const_iv (FS_IOC_SETVERSION) |
1100 |
const_iv (FS_IOC_FIEMAP) |
1101 |
const_iv (FS_IOC_FSGETXATTR) |
1102 |
const_iv (FS_IOC_FSSETXATTR) |
1103 |
const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
1104 |
const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
1105 |
const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
1106 |
|
1107 |
const_iv (FS_KEY_DESCRIPTOR_SIZE) |
1108 |
|
1109 |
const_iv (FS_SECRM_FL) |
1110 |
const_iv (FS_UNRM_FL) |
1111 |
const_iv (FS_COMPR_FL) |
1112 |
const_iv (FS_SYNC_FL) |
1113 |
const_iv (FS_IMMUTABLE_FL) |
1114 |
const_iv (FS_APPEND_FL) |
1115 |
const_iv (FS_NODUMP_FL) |
1116 |
const_iv (FS_NOATIME_FL) |
1117 |
const_iv (FS_DIRTY_FL) |
1118 |
const_iv (FS_COMPRBLK_FL) |
1119 |
const_iv (FS_NOCOMP_FL) |
1120 |
const_iv (FS_ENCRYPT_FL) |
1121 |
const_iv (FS_BTREE_FL) |
1122 |
const_iv (FS_INDEX_FL) |
1123 |
const_iv (FS_JOURNAL_DATA_FL) |
1124 |
const_iv (FS_NOTAIL_FL) |
1125 |
const_iv (FS_DIRSYNC_FL) |
1126 |
const_iv (FS_TOPDIR_FL) |
1127 |
const_iv (FS_FL_USER_MODIFIABLE) |
1128 |
|
1129 |
const_iv (FS_XFLAG_REALTIME) |
1130 |
const_iv (FS_XFLAG_PREALLOC) |
1131 |
const_iv (FS_XFLAG_IMMUTABLE) |
1132 |
const_iv (FS_XFLAG_APPEND) |
1133 |
const_iv (FS_XFLAG_SYNC) |
1134 |
const_iv (FS_XFLAG_NOATIME) |
1135 |
const_iv (FS_XFLAG_NODUMP) |
1136 |
const_iv (FS_XFLAG_RTINHERIT) |
1137 |
const_iv (FS_XFLAG_PROJINHERIT) |
1138 |
const_iv (FS_XFLAG_NOSYMLINKS) |
1139 |
const_iv (FS_XFLAG_EXTSIZE) |
1140 |
const_iv (FS_XFLAG_EXTSZINHERIT) |
1141 |
const_iv (FS_XFLAG_NODEFRAG) |
1142 |
const_iv (FS_XFLAG_FILESTREAM) |
1143 |
const_iv (FS_XFLAG_DAX) |
1144 |
const_iv (FS_XFLAG_HASATTR) |
1145 |
|
1146 |
const_iv (FIEMAP_FLAG_SYNC) |
1147 |
const_iv (FIEMAP_FLAG_XATTR) |
1148 |
const_iv (FIEMAP_FLAGS_COMPAT) |
1149 |
const_iv (FIEMAP_EXTENT_LAST) |
1150 |
const_iv (FIEMAP_EXTENT_UNKNOWN) |
1151 |
const_iv (FIEMAP_EXTENT_DELALLOC) |
1152 |
const_iv (FIEMAP_EXTENT_ENCODED) |
1153 |
const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
1154 |
const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
1155 |
const_iv (FIEMAP_EXTENT_DATA_INLINE) |
1156 |
const_iv (FIEMAP_EXTENT_DATA_TAIL) |
1157 |
const_iv (FIEMAP_EXTENT_UNWRITTEN) |
1158 |
const_iv (FIEMAP_EXTENT_MERGED) |
1159 |
const_iv (FIEMAP_EXTENT_SHARED) |
1160 |
|
1161 |
const_iv (SPLICE_F_MOVE) |
1162 |
const_iv (SPLICE_F_NONBLOCK) |
1163 |
const_iv (SPLICE_F_MORE) |
1164 |
const_iv (SPLICE_F_GIFT) |
1165 |
|
1166 |
/* these are libeio constants, and are independent of gendef0 */ |
1167 |
const_eio (SEEK_SET) |
1168 |
const_eio (SEEK_CUR) |
1169 |
const_eio (SEEK_END) |
1170 |
|
1171 |
const_eio (MCL_FUTURE) |
1172 |
const_eio (MCL_CURRENT) |
1173 |
|
1174 |
const_eio (MS_ASYNC) |
1175 |
const_eio (MS_INVALIDATE) |
1176 |
const_eio (MS_SYNC) |
1177 |
|
1178 |
const_eio (MT_MODIFY) |
1179 |
|
1180 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1181 |
const_eio (SYNC_FILE_RANGE_WRITE) |
1182 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1183 |
|
1184 |
const_eio (FALLOC_FL_KEEP_SIZE) |
1185 |
const_eio (FALLOC_FL_PUNCH_HOLE) |
1186 |
const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1187 |
const_eio (FALLOC_FL_ZERO_RANGE) |
1188 |
const_eio (FALLOC_FL_INSERT_RANGE) |
1189 |
const_eio (FALLOC_FL_UNSHARE_RANGE) |
1190 |
|
1191 |
const_eio (RENAME_NOREPLACE) |
1192 |
const_eio (RENAME_EXCHANGE) |
1193 |
const_eio (RENAME_WHITEOUT) |
1194 |
|
1195 |
const_eio (READDIR_DENTS) |
1196 |
const_eio (READDIR_DIRS_FIRST) |
1197 |
const_eio (READDIR_STAT_ORDER) |
1198 |
const_eio (READDIR_FOUND_UNKNOWN) |
1199 |
|
1200 |
const_eio (DT_UNKNOWN) |
1201 |
const_eio (DT_FIFO) |
1202 |
const_eio (DT_CHR) |
1203 |
const_eio (DT_DIR) |
1204 |
const_eio (DT_BLK) |
1205 |
const_eio (DT_REG) |
1206 |
const_eio (DT_LNK) |
1207 |
const_eio (DT_SOCK) |
1208 |
const_eio (DT_WHT) |
1209 |
}; |
1210 |
|
1211 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
1212 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1213 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1214 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1215 |
|
1216 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1217 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1218 |
|
1219 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1220 |
|
1221 |
reinit (); |
1222 |
} |
1223 |
|
1224 |
void |
1225 |
reinit () |
1226 |
PROTOTYPE: |
1227 |
|
1228 |
void |
1229 |
max_poll_reqs (unsigned int nreqs) |
1230 |
PROTOTYPE: $ |
1231 |
CODE: |
1232 |
eio_set_max_poll_reqs (nreqs); |
1233 |
|
1234 |
void |
1235 |
max_poll_time (double nseconds) |
1236 |
PROTOTYPE: $ |
1237 |
CODE: |
1238 |
eio_set_max_poll_time (nseconds); |
1239 |
|
1240 |
void |
1241 |
min_parallel (unsigned int nthreads) |
1242 |
PROTOTYPE: $ |
1243 |
CODE: |
1244 |
eio_set_min_parallel (nthreads); |
1245 |
|
1246 |
void |
1247 |
max_parallel (unsigned int nthreads) |
1248 |
PROTOTYPE: $ |
1249 |
CODE: |
1250 |
eio_set_max_parallel (nthreads); |
1251 |
|
1252 |
void |
1253 |
max_idle (unsigned int nthreads) |
1254 |
PROTOTYPE: $ |
1255 |
CODE: |
1256 |
eio_set_max_idle (nthreads); |
1257 |
|
1258 |
void |
1259 |
idle_timeout (unsigned int seconds) |
1260 |
PROTOTYPE: $ |
1261 |
CODE: |
1262 |
eio_set_idle_timeout (seconds); |
1263 |
|
1264 |
void |
1265 |
max_outstanding (unsigned int maxreqs) |
1266 |
PROTOTYPE: $ |
1267 |
CODE: |
1268 |
max_outstanding = maxreqs; |
1269 |
|
1270 |
void |
1271 |
aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1272 |
PPCODE: |
1273 |
{ |
1274 |
dREQ; |
1275 |
|
1276 |
req->type = EIO_WD_OPEN; |
1277 |
req_set_path1 (req, pathname); |
1278 |
|
1279 |
REQ_SEND; |
1280 |
} |
1281 |
|
1282 |
void |
1283 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
1284 |
PPCODE: |
1285 |
{ |
1286 |
dREQ; |
1287 |
|
1288 |
req->type = EIO_OPEN; |
1289 |
req_set_path1 (req, pathname); |
1290 |
req->int1 = flags; |
1291 |
req->int2 = mode; |
1292 |
|
1293 |
REQ_SEND; |
1294 |
} |
1295 |
|
1296 |
void |
1297 |
aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1298 |
ALIAS: |
1299 |
aio_fsync = EIO_FSYNC |
1300 |
aio_fdatasync = EIO_FDATASYNC |
1301 |
aio_syncfs = EIO_SYNCFS |
1302 |
PPCODE: |
1303 |
{ |
1304 |
int fd = s_fileno_croak (fh, 0); |
1305 |
dREQ; |
1306 |
|
1307 |
req->type = ix; |
1308 |
req->sv1 = newSVsv (fh); |
1309 |
req->int1 = fd; |
1310 |
|
1311 |
REQ_SEND; |
1312 |
} |
1313 |
|
1314 |
void |
1315 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
1316 |
PPCODE: |
1317 |
{ |
1318 |
int fd = s_fileno_croak (fh, 0); |
1319 |
dREQ; |
1320 |
|
1321 |
req->type = EIO_SYNC_FILE_RANGE; |
1322 |
req->sv1 = newSVsv (fh); |
1323 |
req->int1 = fd; |
1324 |
req->offs = offset; |
1325 |
req->size = nbytes; |
1326 |
req->int2 = flags; |
1327 |
|
1328 |
REQ_SEND; |
1329 |
} |
1330 |
|
1331 |
void |
1332 |
aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
1333 |
PPCODE: |
1334 |
{ |
1335 |
int fd = s_fileno_croak (fh, 0); |
1336 |
dREQ; |
1337 |
|
1338 |
req->type = EIO_FALLOCATE; |
1339 |
req->sv1 = newSVsv (fh); |
1340 |
req->int1 = fd; |
1341 |
req->int2 = mode; |
1342 |
req->offs = offset; |
1343 |
req->size = len; |
1344 |
|
1345 |
REQ_SEND; |
1346 |
} |
1347 |
|
1348 |
void |
1349 |
aio_close (SV *fh, SV *callback = &PL_sv_undef) |
1350 |
PPCODE: |
1351 |
{ |
1352 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
1353 |
int fd = s_fileno_croak (fh, 0); |
1354 |
dREQ; |
1355 |
|
1356 |
if (expect_false (close_fd < 0)) |
1357 |
{ |
1358 |
int pipefd [2]; |
1359 |
|
1360 |
if ( |
1361 |
#ifdef _WIN32 |
1362 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1363 |
#else |
1364 |
pipe (pipefd) < 0 |
1365 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1366 |
#endif |
1367 |
|| close (pipefd [1]) < 0 |
1368 |
) |
1369 |
abort (); /*D*/ |
1370 |
|
1371 |
close_fd = pipefd [0]; |
1372 |
} |
1373 |
|
1374 |
req->type = EIO_DUP2; |
1375 |
req->int1 = close_fd; |
1376 |
req->sv2 = newSVsv (fh); |
1377 |
req->int2 = fd; |
1378 |
|
1379 |
REQ_SEND; |
1380 |
} |
1381 |
|
1382 |
void |
1383 |
aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
1384 |
PPCODE: |
1385 |
{ |
1386 |
int fd = s_fileno_croak (fh, 0); |
1387 |
dREQ; |
1388 |
|
1389 |
req->type = EIO_SEEK; |
1390 |
req->sv1 = newSVsv (fh); |
1391 |
req->int1 = fd; |
1392 |
req->offs = SvVAL64 (offset); |
1393 |
req->int2 = whence; |
1394 |
|
1395 |
REQ_SEND; |
1396 |
} |
1397 |
|
1398 |
void |
1399 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1400 |
ALIAS: |
1401 |
aio_read = EIO_READ |
1402 |
aio_write = EIO_WRITE |
1403 |
PPCODE: |
1404 |
{ |
1405 |
STRLEN svlen; |
1406 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1407 |
char *svptr = SvPVbyte (data, svlen); |
1408 |
UV len = SvUV (length); |
1409 |
|
1410 |
if (dataoffset < 0) |
1411 |
dataoffset += svlen; |
1412 |
|
1413 |
if (dataoffset < 0 || dataoffset > svlen) |
1414 |
croak ("dataoffset outside of data scalar"); |
1415 |
|
1416 |
if (ix == EIO_WRITE) |
1417 |
{ |
1418 |
/* write: check length and adjust. */ |
1419 |
if (!SvOK (length) || len + dataoffset > svlen) |
1420 |
len = svlen - dataoffset; |
1421 |
} |
1422 |
else |
1423 |
{ |
1424 |
/* read: check type and grow scalar as necessary */ |
1425 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1426 |
svptr = sv_grow (data, len + dataoffset + 1); |
1427 |
else if (SvCUR (data) < len + dataoffset) |
1428 |
croak ("length + dataoffset outside of scalar, and cannot grow"); |
1429 |
} |
1430 |
|
1431 |
{ |
1432 |
dREQ; |
1433 |
|
1434 |
req->type = ix; |
1435 |
req->sv1 = newSVsv (fh); |
1436 |
req->int1 = fd; |
1437 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1438 |
req->size = len; |
1439 |
req->sv2 = SvREFCNT_inc (data); |
1440 |
req->ptr2 = (char *)svptr + dataoffset; |
1441 |
req->stroffset = dataoffset; |
1442 |
|
1443 |
if (!SvREADONLY (data)) |
1444 |
{ |
1445 |
SvREADONLY_on (data); |
1446 |
req->flags |= FLAG_SV2_RO_OFF; |
1447 |
} |
1448 |
|
1449 |
REQ_SEND; |
1450 |
} |
1451 |
} |
1452 |
|
1453 |
void |
1454 |
aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1455 |
ALIAS: |
1456 |
aio_ioctl = EIO_IOCTL |
1457 |
aio_fcntl = EIO_FCNTL |
1458 |
PPCODE: |
1459 |
{ |
1460 |
int fd = s_fileno_croak (fh, 0); |
1461 |
char *svptr; |
1462 |
|
1463 |
if (SvPOK (arg) || !SvNIOK (arg)) |
1464 |
{ |
1465 |
STRLEN svlen; |
1466 |
/* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1467 |
#ifdef IOCPARM_LEN |
1468 |
STRLEN need = IOCPARM_LEN (request); |
1469 |
#else |
1470 |
STRLEN need = 256; |
1471 |
#endif |
1472 |
|
1473 |
if (svlen < need) |
1474 |
svptr = SvGROW (arg, need); |
1475 |
} |
1476 |
else |
1477 |
svptr = (char *)SvIV (arg); |
1478 |
|
1479 |
{ |
1480 |
dREQ; |
1481 |
|
1482 |
req->type = ix; |
1483 |
req->sv1 = newSVsv (fh); |
1484 |
req->int1 = fd; |
1485 |
req->int2 = (long)request; |
1486 |
req->sv2 = SvREFCNT_inc (arg); |
1487 |
req->ptr2 = svptr; |
1488 |
|
1489 |
REQ_SEND; |
1490 |
} |
1491 |
} |
1492 |
|
1493 |
void |
1494 |
aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1495 |
ALIAS: |
1496 |
aio_readlink = EIO_READLINK |
1497 |
aio_realpath = EIO_REALPATH |
1498 |
PPCODE: |
1499 |
{ |
1500 |
dREQ; |
1501 |
|
1502 |
req->type = ix; |
1503 |
req_set_path1 (req, pathname); |
1504 |
|
1505 |
REQ_SEND; |
1506 |
} |
1507 |
|
1508 |
void |
1509 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1510 |
PPCODE: |
1511 |
{ |
1512 |
int ifd = s_fileno_croak (in_fh , 0); |
1513 |
int ofd = s_fileno_croak (out_fh, 1); |
1514 |
dREQ; |
1515 |
|
1516 |
req->type = EIO_SENDFILE; |
1517 |
req->sv1 = newSVsv (out_fh); |
1518 |
req->int1 = ofd; |
1519 |
req->sv2 = newSVsv (in_fh); |
1520 |
req->int2 = ifd; |
1521 |
req->offs = in_offset; |
1522 |
req->size = length; |
1523 |
|
1524 |
REQ_SEND; |
1525 |
} |
1526 |
|
1527 |
void |
1528 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
1529 |
PPCODE: |
1530 |
{ |
1531 |
int fd = s_fileno_croak (fh, 0); |
1532 |
dREQ; |
1533 |
|
1534 |
req->type = EIO_READAHEAD; |
1535 |
req->sv1 = newSVsv (fh); |
1536 |
req->int1 = fd; |
1537 |
req->offs = offset; |
1538 |
req->size = length; |
1539 |
|
1540 |
REQ_SEND; |
1541 |
} |
1542 |
|
1543 |
void |
1544 |
aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1545 |
ALIAS: |
1546 |
aio_stat = EIO_STAT |
1547 |
aio_lstat = EIO_LSTAT |
1548 |
aio_statvfs = EIO_STATVFS |
1549 |
PPCODE: |
1550 |
{ |
1551 |
dREQ; |
1552 |
|
1553 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1554 |
|
1555 |
REQ_SEND; |
1556 |
} |
1557 |
|
1558 |
UV |
1559 |
major (UV dev) |
1560 |
ALIAS: |
1561 |
minor = 1 |
1562 |
CODE: |
1563 |
RETVAL = ix ? minor (dev) : major (dev); |
1564 |
OUTPUT: |
1565 |
RETVAL |
1566 |
|
1567 |
UV |
1568 |
makedev (UV maj, UV min) |
1569 |
CODE: |
1570 |
RETVAL = makedev (maj, min); |
1571 |
OUTPUT: |
1572 |
RETVAL |
1573 |
|
1574 |
void |
1575 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
1576 |
PPCODE: |
1577 |
{ |
1578 |
dREQ; |
1579 |
|
1580 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1581 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1582 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1583 |
|
1584 |
REQ_SEND; |
1585 |
} |
1586 |
|
1587 |
void |
1588 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
1589 |
PPCODE: |
1590 |
{ |
1591 |
dREQ; |
1592 |
|
1593 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1594 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1595 |
|
1596 |
REQ_SEND; |
1597 |
} |
1598 |
|
1599 |
void |
1600 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
1601 |
PPCODE: |
1602 |
{ |
1603 |
dREQ; |
1604 |
|
1605 |
req->int2 = mode; |
1606 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1607 |
|
1608 |
REQ_SEND; |
1609 |
} |
1610 |
|
1611 |
void |
1612 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
1613 |
PPCODE: |
1614 |
{ |
1615 |
dREQ; |
1616 |
|
1617 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1618 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1619 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1620 |
|
1621 |
REQ_SEND; |
1622 |
} |
1623 |
|
1624 |
void |
1625 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
1626 |
PPCODE: |
1627 |
{ |
1628 |
dREQ; |
1629 |
|
1630 |
req->type = EIO_READDIR; |
1631 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1632 |
|
1633 |
if (flags & EIO_READDIR_DENTS) |
1634 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1635 |
|
1636 |
req_set_path1 (req, pathname); |
1637 |
|
1638 |
REQ_SEND; |
1639 |
} |
1640 |
|
1641 |
void |
1642 |
aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
1643 |
PPCODE: |
1644 |
{ |
1645 |
dREQ; |
1646 |
|
1647 |
req->type = EIO_MKDIR; |
1648 |
req->int2 = mode; |
1649 |
req_set_path1 (req, pathname); |
1650 |
|
1651 |
REQ_SEND; |
1652 |
} |
1653 |
|
1654 |
void |
1655 |
aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1656 |
ALIAS: |
1657 |
aio_unlink = EIO_UNLINK |
1658 |
aio_rmdir = EIO_RMDIR |
1659 |
aio_readdir = EIO_READDIR |
1660 |
PPCODE: |
1661 |
{ |
1662 |
dREQ; |
1663 |
|
1664 |
req->type = ix; |
1665 |
req_set_path1 (req, pathname); |
1666 |
|
1667 |
REQ_SEND; |
1668 |
} |
1669 |
|
1670 |
void |
1671 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1672 |
ALIAS: |
1673 |
aio_link = EIO_LINK |
1674 |
aio_symlink = EIO_SYMLINK |
1675 |
aio_rename = EIO_RENAME |
1676 |
PPCODE: |
1677 |
{ |
1678 |
eio_wd wd2 = 0; |
1679 |
dREQ; |
1680 |
|
1681 |
req->type = ix; |
1682 |
req_set_path1 (req, oldpath); |
1683 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1684 |
req->int3 = (long)wd2; |
1685 |
|
1686 |
REQ_SEND; |
1687 |
} |
1688 |
|
1689 |
void |
1690 |
aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
1691 |
PPCODE: |
1692 |
{ |
1693 |
eio_wd wd2 = 0; |
1694 |
dREQ; |
1695 |
|
1696 |
req->type = EIO_RENAME; |
1697 |
req_set_path1 (req, oldpath); |
1698 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1699 |
req->int2 = flags; |
1700 |
req->int3 = (long)wd2; |
1701 |
|
1702 |
REQ_SEND; |
1703 |
} |
1704 |
|
1705 |
void |
1706 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
1707 |
PPCODE: |
1708 |
{ |
1709 |
dREQ; |
1710 |
|
1711 |
req->type = EIO_MKNOD; |
1712 |
req->int2 = (mode_t)mode; |
1713 |
req->offs = dev; |
1714 |
req_set_path1 (req, pathname); |
1715 |
|
1716 |
REQ_SEND; |
1717 |
} |
1718 |
|
1719 |
void |
1720 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
1721 |
ALIAS: |
1722 |
aio_mtouch = EIO_MTOUCH |
1723 |
aio_msync = EIO_MSYNC |
1724 |
PPCODE: |
1725 |
{ |
1726 |
STRLEN svlen; |
1727 |
char *svptr = SvPVbyte (data, svlen); |
1728 |
UV len = SvUV (length); |
1729 |
|
1730 |
if (flags < 0) |
1731 |
flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
1732 |
|
1733 |
if (offset < 0) |
1734 |
offset += svlen; |
1735 |
|
1736 |
if (offset < 0 || offset > svlen) |
1737 |
croak ("offset outside of scalar"); |
1738 |
|
1739 |
if (!SvOK (length) || len + offset > svlen) |
1740 |
len = svlen - offset; |
1741 |
|
1742 |
{ |
1743 |
dREQ; |
1744 |
|
1745 |
req->type = ix; |
1746 |
req->sv2 = SvREFCNT_inc (data); |
1747 |
req->ptr2 = (char *)svptr + offset; |
1748 |
req->size = len; |
1749 |
req->int1 = flags; |
1750 |
|
1751 |
REQ_SEND; |
1752 |
} |
1753 |
} |
1754 |
|
1755 |
void |
1756 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
1757 |
PPCODE: |
1758 |
{ |
1759 |
STRLEN svlen; |
1760 |
char *svptr = SvPVbyte (data, svlen); |
1761 |
UV len = SvUV (length); |
1762 |
|
1763 |
if (offset < 0) |
1764 |
offset += svlen; |
1765 |
|
1766 |
if (offset < 0 || offset > svlen) |
1767 |
croak ("offset outside of scalar"); |
1768 |
|
1769 |
if (!SvOK (length) || len + offset > svlen) |
1770 |
len = svlen - offset; |
1771 |
|
1772 |
{ |
1773 |
dREQ; |
1774 |
|
1775 |
req->type = EIO_MLOCK; |
1776 |
req->sv2 = SvREFCNT_inc (data); |
1777 |
req->ptr2 = (char *)svptr + offset; |
1778 |
req->size = len; |
1779 |
|
1780 |
REQ_SEND; |
1781 |
} |
1782 |
} |
1783 |
|
1784 |
void |
1785 |
aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
1786 |
PPCODE: |
1787 |
{ |
1788 |
dREQ; |
1789 |
|
1790 |
req->type = EIO_MLOCKALL; |
1791 |
req->int1 = flags; |
1792 |
|
1793 |
REQ_SEND; |
1794 |
} |
1795 |
|
1796 |
void |
1797 |
aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
1798 |
PPCODE: |
1799 |
{ |
1800 |
int fd = s_fileno_croak (fh, 0); |
1801 |
dREQ; |
1802 |
|
1803 |
req->type = EIO_CUSTOM; |
1804 |
req->sv1 = newSVsv (fh); |
1805 |
req->int1 = fd; |
1806 |
|
1807 |
req->feed = fiemap; |
1808 |
#if HAVE_FIEMAP |
1809 |
/* keep our fingers crossed that the next two types are 64 bit */ |
1810 |
req->offs = start; |
1811 |
req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
1812 |
req->int2 = flags; |
1813 |
req->int3 = SvOK (count) ? SvIV (count) : -1; |
1814 |
#endif |
1815 |
|
1816 |
REQ_SEND; |
1817 |
} |
1818 |
|
1819 |
void |
1820 |
aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
1821 |
PPCODE: |
1822 |
{ |
1823 |
char *svptr = 0; |
1824 |
|
1825 |
sv_clear_foreign (data); |
1826 |
|
1827 |
if (length) /* known length, directly read into scalar */ |
1828 |
{ |
1829 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1830 |
svptr = sv_grow (data, length + 1); |
1831 |
else if (SvCUR (data) < length) |
1832 |
croak ("length outside of scalar, and cannot grow"); |
1833 |
else |
1834 |
svptr = SvPVbyte_nolen (data); |
1835 |
} |
1836 |
|
1837 |
{ |
1838 |
dREQ; |
1839 |
|
1840 |
req->type = EIO_SLURP; |
1841 |
req_set_path1 (req, pathname); |
1842 |
req->offs = offset; |
1843 |
req->size = length; |
1844 |
req->sv2 = SvREFCNT_inc (data); |
1845 |
req->ptr2 = svptr; |
1846 |
|
1847 |
if (!SvREADONLY (data)) |
1848 |
{ |
1849 |
SvREADONLY_on (data); |
1850 |
req->flags |= FLAG_SV2_RO_OFF; |
1851 |
} |
1852 |
|
1853 |
REQ_SEND; |
1854 |
} |
1855 |
} |
1856 |
|
1857 |
void |
1858 |
aio_busy (double delay, SV *callback = &PL_sv_undef) |
1859 |
PPCODE: |
1860 |
{ |
1861 |
dREQ; |
1862 |
|
1863 |
req->type = EIO_BUSY; |
1864 |
req->nv1 = delay < 0. ? 0. : delay; |
1865 |
|
1866 |
REQ_SEND; |
1867 |
} |
1868 |
|
1869 |
void |
1870 |
aio_group (SV *callback = &PL_sv_undef) |
1871 |
PPCODE: |
1872 |
{ |
1873 |
dREQ; |
1874 |
|
1875 |
req->type = EIO_GROUP; |
1876 |
|
1877 |
PUTBACK; |
1878 |
req_submit (req); |
1879 |
SPAGAIN; |
1880 |
|
1881 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1882 |
} |
1883 |
|
1884 |
void |
1885 |
aio_nop (SV *callback = &PL_sv_undef) |
1886 |
ALIAS: |
1887 |
aio_nop = EIO_NOP |
1888 |
aio_sync = EIO_SYNC |
1889 |
PPCODE: |
1890 |
{ |
1891 |
dREQ; |
1892 |
|
1893 |
req->type = ix; |
1894 |
|
1895 |
REQ_SEND; |
1896 |
} |
1897 |
|
1898 |
int |
1899 |
aioreq_pri (int pri = NO_INIT) |
1900 |
CODE: |
1901 |
RETVAL = next_pri; |
1902 |
if (items > 0) |
1903 |
{ |
1904 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1905 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1906 |
next_pri = pri; |
1907 |
} |
1908 |
OUTPUT: |
1909 |
RETVAL |
1910 |
|
1911 |
void |
1912 |
aioreq_nice (int nice = 0) |
1913 |
CODE: |
1914 |
nice = next_pri - nice; |
1915 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1916 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1917 |
next_pri = nice; |
1918 |
|
1919 |
void |
1920 |
flush () |
1921 |
CODE: |
1922 |
while (eio_nreqs ()) |
1923 |
{ |
1924 |
poll_wait (); |
1925 |
poll_cb (); |
1926 |
} |
1927 |
|
1928 |
int |
1929 |
poll () |
1930 |
CODE: |
1931 |
poll_wait (); |
1932 |
RETVAL = poll_cb (); |
1933 |
OUTPUT: |
1934 |
RETVAL |
1935 |
|
1936 |
int |
1937 |
poll_fileno () |
1938 |
CODE: |
1939 |
RETVAL = s_epipe_fd (&respipe); |
1940 |
OUTPUT: |
1941 |
RETVAL |
1942 |
|
1943 |
int |
1944 |
poll_cb (...) |
1945 |
PROTOTYPE: |
1946 |
CODE: |
1947 |
RETVAL = poll_cb (); |
1948 |
OUTPUT: |
1949 |
RETVAL |
1950 |
|
1951 |
void |
1952 |
poll_wait () |
1953 |
CODE: |
1954 |
poll_wait (); |
1955 |
|
1956 |
int |
1957 |
nreqs () |
1958 |
CODE: |
1959 |
RETVAL = eio_nreqs (); |
1960 |
OUTPUT: |
1961 |
RETVAL |
1962 |
|
1963 |
int |
1964 |
nready () |
1965 |
CODE: |
1966 |
RETVAL = eio_nready (); |
1967 |
OUTPUT: |
1968 |
RETVAL |
1969 |
|
1970 |
int |
1971 |
npending () |
1972 |
CODE: |
1973 |
RETVAL = eio_npending (); |
1974 |
OUTPUT: |
1975 |
RETVAL |
1976 |
|
1977 |
int |
1978 |
nthreads () |
1979 |
CODE: |
1980 |
RETVAL = eio_nthreads (); |
1981 |
OUTPUT: |
1982 |
RETVAL |
1983 |
|
1984 |
int |
1985 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1986 |
CODE: |
1987 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1988 |
OUTPUT: |
1989 |
RETVAL |
1990 |
|
1991 |
IV |
1992 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1993 |
CODE: |
1994 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1995 |
OUTPUT: |
1996 |
RETVAL |
1997 |
|
1998 |
void |
1999 |
mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
2000 |
PPCODE: |
2001 |
sv_clear_foreign (scalar); |
2002 |
{ |
2003 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
2004 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
2005 |
if (addr == (void *)-1) |
2006 |
XSRETURN_NO; |
2007 |
|
2008 |
sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
2009 |
|
2010 |
if (!(prot & PROT_WRITE)) |
2011 |
SvREADONLY_on (scalar); |
2012 |
|
2013 |
XSRETURN_YES; |
2014 |
} |
2015 |
|
2016 |
void |
2017 |
munmap (SV *scalar) |
2018 |
CODE: |
2019 |
sv_clear_foreign (scalar); |
2020 |
|
2021 |
int |
2022 |
madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2023 |
ALIAS: |
2024 |
mprotect = 1 |
2025 |
CODE: |
2026 |
{ |
2027 |
STRLEN svlen; |
2028 |
void *addr = SvPVbyte (scalar, svlen); |
2029 |
STRLEN len = SvUV (length); |
2030 |
|
2031 |
if (offset < 0) |
2032 |
offset += svlen; |
2033 |
|
2034 |
if (offset < 0 || offset > svlen) |
2035 |
croak ("offset outside of scalar"); |
2036 |
|
2037 |
if (!SvOK (length) || len + offset > svlen) |
2038 |
len = svlen - offset; |
2039 |
|
2040 |
addr = (void *)(((intptr_t)addr) + offset); |
2041 |
eio_page_align (&addr, &len); |
2042 |
|
2043 |
switch (ix) |
2044 |
{ |
2045 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
2046 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
2047 |
} |
2048 |
} |
2049 |
OUTPUT: |
2050 |
RETVAL |
2051 |
|
2052 |
int |
2053 |
munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
2054 |
CODE: |
2055 |
{ |
2056 |
STRLEN svlen; |
2057 |
void *addr = SvPVbyte (scalar, svlen); |
2058 |
size_t len = SvUV (length); |
2059 |
|
2060 |
if (offset < 0) |
2061 |
offset += svlen; |
2062 |
|
2063 |
if (offset < 0 || offset > svlen) |
2064 |
croak ("offset outside of scalar"); |
2065 |
|
2066 |
if (!SvOK (length) || len + offset > svlen) |
2067 |
len = svlen - offset; |
2068 |
|
2069 |
addr = (void *)(((intptr_t)addr) + offset); |
2070 |
eio_page_align (&addr, &len); |
2071 |
#if _POSIX_MEMLOCK_RANGE |
2072 |
RETVAL = munlock (addr, len); |
2073 |
#else |
2074 |
RETVAL = EIO_ENOSYS (); |
2075 |
#endif |
2076 |
} |
2077 |
OUTPUT: |
2078 |
RETVAL |
2079 |
|
2080 |
int |
2081 |
munlockall () |
2082 |
CODE: |
2083 |
#if _POSIX_MEMLOCK |
2084 |
munlockall (); |
2085 |
#else |
2086 |
RETVAL = EIO_ENOSYS (); |
2087 |
#endif |
2088 |
OUTPUT: |
2089 |
RETVAL |
2090 |
|
2091 |
int |
2092 |
splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
2093 |
CODE: |
2094 |
{ |
2095 |
#if HAVE_LINUX_SPLICE |
2096 |
loff_t off_in_, off_out_; |
2097 |
RETVAL = splice ( |
2098 |
rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
2099 |
wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
2100 |
length, flags |
2101 |
); |
2102 |
#else |
2103 |
RETVAL = EIO_ENOSYS (); |
2104 |
#endif |
2105 |
} |
2106 |
OUTPUT: |
2107 |
RETVAL |
2108 |
|
2109 |
int |
2110 |
tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
2111 |
CODE: |
2112 |
#if HAVE_LINUX_SPLICE |
2113 |
RETVAL = tee (rfh, wfh, length, flags); |
2114 |
#else |
2115 |
RETVAL = EIO_ENOSYS (); |
2116 |
#endif |
2117 |
OUTPUT: |
2118 |
RETVAL |
2119 |
|
2120 |
int |
2121 |
pipesize (aio_rfd rfh, int new_size = -1) |
2122 |
PROTOTYPE: $;$ |
2123 |
CODE: |
2124 |
#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
2125 |
if (new_size >= 0) |
2126 |
RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
2127 |
else |
2128 |
RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
2129 |
#else |
2130 |
errno = ENOSYS; |
2131 |
RETVAL = -1; |
2132 |
#endif |
2133 |
OUTPUT: |
2134 |
RETVAL |
2135 |
|
2136 |
void |
2137 |
pipe2 (int flags = 0) |
2138 |
PROTOTYPE: ;$ |
2139 |
PPCODE: |
2140 |
{ |
2141 |
int fd[2]; |
2142 |
int res; |
2143 |
|
2144 |
if (flags) |
2145 |
#if HAVE_PIPE2 |
2146 |
res = pipe2 (fd, flags); |
2147 |
#else |
2148 |
res = (errno = ENOSYS, -1); |
2149 |
#endif |
2150 |
else |
2151 |
res = pipe (fd); |
2152 |
|
2153 |
if (!res) |
2154 |
{ |
2155 |
EXTEND (SP, 2); |
2156 |
PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2157 |
PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2158 |
} |
2159 |
} |
2160 |
|
2161 |
UV |
2162 |
get_fdlimit () |
2163 |
CODE: |
2164 |
#if HAVE_RLIMITS |
2165 |
struct rlimit rl; |
2166 |
if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
2167 |
XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
2168 |
#endif |
2169 |
XSRETURN_UNDEF; |
2170 |
OUTPUT: |
2171 |
RETVAL |
2172 |
|
2173 |
void |
2174 |
min_fdlimit (UV limit = 0x7fffffffU) |
2175 |
CODE: |
2176 |
{ |
2177 |
#if HAVE_RLIMITS |
2178 |
struct rlimit rl; |
2179 |
rlim_t orig_rlim_max; |
2180 |
UV bit; |
2181 |
|
2182 |
if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
2183 |
goto fail; |
2184 |
|
2185 |
if (rl.rlim_cur == RLIM_INFINITY) |
2186 |
XSRETURN_YES; |
2187 |
|
2188 |
orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
2189 |
|
2190 |
if (rl.rlim_cur < limit) |
2191 |
{ |
2192 |
rl.rlim_cur = limit; |
2193 |
|
2194 |
if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
2195 |
rl.rlim_max = rl.rlim_cur; |
2196 |
} |
2197 |
|
2198 |
if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2199 |
XSRETURN_YES; |
2200 |
|
2201 |
if (errno == EPERM) |
2202 |
{ |
2203 |
/* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
2204 |
/* our limit overflows a system-wide limit */ |
2205 |
/* try an adaptive algorithm, but do not lower the hardlimit */ |
2206 |
rl.rlim_max = 0; |
2207 |
for (bit = 0x40000000U; bit; bit >>= 1) |
2208 |
{ |
2209 |
rl.rlim_max |= bit; |
2210 |
rl.rlim_cur = rl.rlim_max; |
2211 |
|
2212 |
/* nevr decrease the hard limit */ |
2213 |
if (rl.rlim_max < orig_rlim_max) |
2214 |
break; |
2215 |
|
2216 |
if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
2217 |
rl.rlim_max &= ~bit; /* too high, remove bit again */ |
2218 |
} |
2219 |
|
2220 |
/* now, raise the soft limit to the max permitted */ |
2221 |
if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
2222 |
{ |
2223 |
rl.rlim_cur = rl.rlim_max; |
2224 |
if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2225 |
errno = EPERM; |
2226 |
} |
2227 |
} |
2228 |
#endif |
2229 |
fail: |
2230 |
XSRETURN_UNDEF; |
2231 |
} |
2232 |
|
2233 |
void _on_next_submit (SV *cb) |
2234 |
CODE: |
2235 |
SvREFCNT_dec (on_next_submit); |
2236 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
2237 |
|
2238 |
PROTOTYPES: DISABLE |
2239 |
|
2240 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
2241 |
|
2242 |
BOOT: |
2243 |
{ |
2244 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
2245 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
2246 |
} |
2247 |
|
2248 |
void |
2249 |
DESTROY (SV *self) |
2250 |
CODE: |
2251 |
{ |
2252 |
aio_wd wd = SvAIO_WD (self); |
2253 |
#if HAVE_AT |
2254 |
{ |
2255 |
SV *callback = &PL_sv_undef; |
2256 |
dREQ; /* clobbers next_pri :/ */ |
2257 |
next_pri = req->pri; /* restore next_pri */ |
2258 |
req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
2259 |
req->type = EIO_WD_CLOSE; |
2260 |
req->wd = wd; |
2261 |
REQ_SEND; |
2262 |
} |
2263 |
#else |
2264 |
eio_wd_close_sync (wd); |
2265 |
#endif |
2266 |
} |
2267 |
|
2268 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2269 |
|
2270 |
void |
2271 |
cancel (aio_req_ornot req) |
2272 |
CODE: |
2273 |
eio_cancel (req); |
2274 |
|
2275 |
void |
2276 |
cb (aio_req_ornot req, SV *callback = NO_INIT) |
2277 |
PPCODE: |
2278 |
{ |
2279 |
if (GIMME_V != G_VOID) |
2280 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
2281 |
|
2282 |
if (items > 1) |
2283 |
{ |
2284 |
SV *cb_cv = get_cb (callback); |
2285 |
|
2286 |
SvREFCNT_dec (req->callback); |
2287 |
req->callback = SvREFCNT_inc (cb_cv); |
2288 |
} |
2289 |
} |
2290 |
|
2291 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2292 |
|
2293 |
void |
2294 |
add (aio_req grp, ...) |
2295 |
PPCODE: |
2296 |
{ |
2297 |
int i; |
2298 |
|
2299 |
if (grp->int1 == 2) |
2300 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
2301 |
|
2302 |
for (i = 1; i < items; ++i ) |
2303 |
{ |
2304 |
aio_req req; |
2305 |
|
2306 |
if (GIMME_V != G_VOID) |
2307 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
2308 |
|
2309 |
req = SvAIO_REQ (ST (i)); |
2310 |
|
2311 |
if (req) |
2312 |
eio_grp_add (grp, req); |
2313 |
} |
2314 |
} |
2315 |
|
2316 |
void |
2317 |
cancel_subs (aio_req_ornot req) |
2318 |
CODE: |
2319 |
req_cancel_subs (req); |
2320 |
|
2321 |
void |
2322 |
result (aio_req grp, ...) |
2323 |
CODE: |
2324 |
{ |
2325 |
int i; |
2326 |
AV *av; |
2327 |
|
2328 |
grp->errorno = errno; |
2329 |
|
2330 |
av = newAV (); |
2331 |
av_extend (av, items - 1); |
2332 |
|
2333 |
for (i = 1; i < items; ++i ) |
2334 |
av_push (av, newSVsv (ST (i))); |
2335 |
|
2336 |
SvREFCNT_dec (grp->sv1); |
2337 |
grp->sv1 = (SV *)av; |
2338 |
} |
2339 |
|
2340 |
void |
2341 |
errno (aio_req grp, int errorno = errno) |
2342 |
CODE: |
2343 |
grp->errorno = errorno; |
2344 |
|
2345 |
void |
2346 |
limit (aio_req grp, int limit) |
2347 |
CODE: |
2348 |
eio_grp_limit (grp, limit); |
2349 |
|
2350 |
void |
2351 |
feed (aio_req grp, SV *callback = &PL_sv_undef) |
2352 |
CODE: |
2353 |
{ |
2354 |
SvREFCNT_dec (grp->sv2); |
2355 |
grp->sv2 = newSVsv (callback); |
2356 |
grp->feed = aio_grp_feed; |
2357 |
|
2358 |
if (grp->int2 <= 0) |
2359 |
grp->int2 = 2; |
2360 |
|
2361 |
eio_grp_limit (grp, grp->int2); |
2362 |
} |
2363 |
|