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 <sys/statvfs.h> |
17 |
#include <limits.h> |
18 |
#include <fcntl.h> |
19 |
#include <sched.h> |
20 |
|
21 |
#if _POSIX_MEMLOCK |
22 |
# include <sys/mman.h> |
23 |
#endif |
24 |
|
25 |
/* perl namespace pollution */ |
26 |
#undef VERSION |
27 |
|
28 |
#ifdef _WIN32 |
29 |
|
30 |
# define EIO_STRUCT_DIRENT Direntry_t |
31 |
# undef malloc |
32 |
# undef free |
33 |
|
34 |
// perl overrides all those nice win32 functions |
35 |
# undef open |
36 |
# undef read |
37 |
# undef write |
38 |
# undef send |
39 |
# undef recv |
40 |
# undef stat |
41 |
# undef fstat |
42 |
# define lstat stat |
43 |
# undef truncate |
44 |
# undef ftruncate |
45 |
# undef open |
46 |
# undef close |
47 |
# undef unlink |
48 |
# undef rmdir |
49 |
# undef rename |
50 |
# undef lseek |
51 |
|
52 |
# define chown(a,b,c) (errno = ENOSYS, -1) |
53 |
# define fchown(a,b,c) (errno = ENOSYS, -1) |
54 |
# define fchmod(a,b) (errno = ENOSYS, -1) |
55 |
# define symlink(a,b) (errno = ENOSYS, -1) |
56 |
# define readlink(a,b,c) (errno = ENOSYS, -1) |
57 |
# define mknod(a,b,c) (errno = ENOSYS, -1) |
58 |
# define truncate(a,b) (errno = ENOSYS, -1) |
59 |
# define ftruncate(fd,o) chsize ((fd), (o)) |
60 |
# define fsync(fd) _commit (fd) |
61 |
# define opendir(fd) (errno = ENOSYS, 0) |
62 |
# define readdir(fd) (errno = ENOSYS, -1) |
63 |
# define closedir(fd) (errno = ENOSYS, -1) |
64 |
# define mkdir(a,b) mkdir (a) |
65 |
|
66 |
#else |
67 |
|
68 |
# include <sys/time.h> |
69 |
# include <sys/select.h> |
70 |
# include <unistd.h> |
71 |
# include <utime.h> |
72 |
# include <signal.h> |
73 |
# define EIO_STRUCT_DIRENT struct dirent |
74 |
|
75 |
#endif |
76 |
|
77 |
/* perl stupidly overrides readdir and maybe others */ |
78 |
/* with thread-unsafe versions, imagine that :( */ |
79 |
#undef readdir |
80 |
#undef opendir |
81 |
#undef closedir |
82 |
|
83 |
#define EIO_STRUCT_STAT Stat_t |
84 |
|
85 |
/* use NV for 32 bit perls as it allows larger offsets */ |
86 |
#if IVSIZE >= 8 |
87 |
# define VAL64 IV |
88 |
# define SvVAL64 SvIV |
89 |
# define newSVval64 newSViv |
90 |
#else |
91 |
# define VAL64 NV |
92 |
# define SvVAL64 SvNV |
93 |
# define newSVval64 newSVnv |
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 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
110 |
typedef int aio_rfd; /* read file desriptor */ |
111 |
typedef int aio_wfd; /* write file descriptor */ |
112 |
|
113 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
114 |
|
115 |
#define EIO_REQ_MEMBERS \ |
116 |
SV *callback; \ |
117 |
SV *sv1, *sv2; \ |
118 |
STRLEN stroffset; \ |
119 |
SV *self; |
120 |
|
121 |
#define EIO_NO_WRAPPERS 1 |
122 |
|
123 |
#include "libeio/eio.h" |
124 |
|
125 |
#ifndef POSIX_FADV_NORMAL |
126 |
# define POSIX_FADV_NORMAL 0 |
127 |
# define NO_FADVISE 1 |
128 |
#endif |
129 |
#ifndef POSIX_FADV_SEQUENTIAL |
130 |
# define POSIX_FADV_SEQUENTIAL 0 |
131 |
#endif |
132 |
#ifndef POSIX_FADV_RANDOM |
133 |
# define POSIX_FADV_RANDOM 0 |
134 |
#endif |
135 |
#ifndef POSIX_FADV_NOREUSE |
136 |
# define POSIX_FADV_NOREUSE 0 |
137 |
#endif |
138 |
#ifndef POSIX_FADV_WILLNEED |
139 |
# define POSIX_FADV_WILLNEED 0 |
140 |
#endif |
141 |
#ifndef POSIX_FADV_DONTNEED |
142 |
# define POSIX_FADV_DONTNEED 0 |
143 |
#endif |
144 |
|
145 |
#ifndef ST_NODEV |
146 |
# define ST_NODEV 0 |
147 |
#endif |
148 |
#ifndef ST_NOEXEC |
149 |
# define ST_NOEXEC 0 |
150 |
#endif |
151 |
#ifndef ST_SYNCHRONOUS |
152 |
# define ST_SYNCHRONOUS 0 |
153 |
#endif |
154 |
#ifndef ST_MANDLOCK |
155 |
# define ST_MANDLOCK 0 |
156 |
#endif |
157 |
#ifndef ST_WRITE |
158 |
# define ST_WRITE 0 |
159 |
#endif |
160 |
#ifndef ST_APPEND |
161 |
# define ST_APPEND 0 |
162 |
#endif |
163 |
#ifndef ST_IMMUTABLE |
164 |
# define ST_IMMUTABLE 0 |
165 |
#endif |
166 |
#ifndef ST_NOATIME |
167 |
# define ST_NOATIME 0 |
168 |
#endif |
169 |
#ifndef ST_NODIRATIME |
170 |
# define ST_NODIRATIME 0 |
171 |
#endif |
172 |
#ifndef ST_RELATIME |
173 |
# define ST_RELATIME 0 |
174 |
#endif |
175 |
|
176 |
#ifndef MCL_CURRENT |
177 |
# define MCL_CURRENT 0 |
178 |
#endif |
179 |
#ifndef MCL_FUTURE |
180 |
# define MCL_FUTURE 0 |
181 |
#endif |
182 |
|
183 |
static int req_invoke (eio_req *req); |
184 |
#define EIO_FINISH(req) req_invoke (req) |
185 |
static void req_destroy (eio_req *grp); |
186 |
#define EIO_DESTROY(req) req_destroy (req) |
187 |
|
188 |
enum { |
189 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
190 |
}; |
191 |
|
192 |
#include "libeio/eio.c" |
193 |
|
194 |
typedef eio_req *aio_req; |
195 |
typedef eio_req *aio_req_ornot; |
196 |
|
197 |
static SV *on_next_submit; |
198 |
static int next_pri = EIO_PRI_DEFAULT; |
199 |
static int max_outstanding; |
200 |
|
201 |
static s_epipe respipe; |
202 |
|
203 |
static void req_destroy (aio_req req); |
204 |
static void req_cancel (aio_req req); |
205 |
|
206 |
static void want_poll (void) |
207 |
{ |
208 |
/* write a dummy byte to the pipe so fh becomes ready */ |
209 |
s_epipe_signal (&respipe); |
210 |
} |
211 |
|
212 |
static void done_poll (void) |
213 |
{ |
214 |
/* read any signals sent by the worker threads */ |
215 |
s_epipe_drain (&respipe); |
216 |
} |
217 |
|
218 |
/* must be called at most once */ |
219 |
static SV *req_sv (aio_req req, HV *stash) |
220 |
{ |
221 |
if (!req->self) |
222 |
{ |
223 |
req->self = (SV *)newHV (); |
224 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
225 |
} |
226 |
|
227 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
228 |
} |
229 |
|
230 |
static aio_req SvAIO_REQ (SV *sv) |
231 |
{ |
232 |
MAGIC *mg; |
233 |
|
234 |
if (!SvROK (sv) |
235 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
236 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
237 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
238 |
croak ("object of class IO::AIO::REQ expected"); |
239 |
|
240 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
241 |
|
242 |
return mg ? (aio_req)mg->mg_ptr : 0; |
243 |
} |
244 |
|
245 |
static void aio_grp_feed (aio_req grp) |
246 |
{ |
247 |
if (grp->sv2 && SvOK (grp->sv2)) |
248 |
{ |
249 |
dSP; |
250 |
|
251 |
ENTER; |
252 |
SAVETMPS; |
253 |
PUSHMARK (SP); |
254 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
255 |
PUTBACK; |
256 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
257 |
SPAGAIN; |
258 |
FREETMPS; |
259 |
LEAVE; |
260 |
} |
261 |
} |
262 |
|
263 |
static void req_submit (eio_req *req) |
264 |
{ |
265 |
eio_submit (req); |
266 |
|
267 |
if (expect_false (on_next_submit)) |
268 |
{ |
269 |
dSP; |
270 |
SV *cb = sv_2mortal (on_next_submit); |
271 |
|
272 |
on_next_submit = 0; |
273 |
|
274 |
PUSHMARK (SP); |
275 |
PUTBACK; |
276 |
call_sv (cb, G_DISCARD | G_EVAL); |
277 |
} |
278 |
} |
279 |
|
280 |
static int req_invoke (eio_req *req) |
281 |
{ |
282 |
dSP; |
283 |
|
284 |
if (req->flags & FLAG_SV2_RO_OFF) |
285 |
SvREADONLY_off (req->sv2); |
286 |
|
287 |
if (!EIO_CANCELLED (req) && req->callback) |
288 |
{ |
289 |
ENTER; |
290 |
SAVETMPS; |
291 |
PUSHMARK (SP); |
292 |
EXTEND (SP, 1); |
293 |
|
294 |
switch (req->type) |
295 |
{ |
296 |
case EIO_READDIR: |
297 |
{ |
298 |
SV *rv = &PL_sv_undef; |
299 |
|
300 |
if (req->result >= 0) |
301 |
{ |
302 |
int i; |
303 |
char *names = (char *)req->ptr2; |
304 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
305 |
AV *av = newAV (); |
306 |
|
307 |
av_extend (av, req->result - 1); |
308 |
|
309 |
for (i = 0; i < req->result; ++i) |
310 |
{ |
311 |
if (req->int1 & EIO_READDIR_DENTS) |
312 |
{ |
313 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
314 |
|
315 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
316 |
{ |
317 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
318 |
AV *avent = newAV (); |
319 |
|
320 |
av_extend (avent, 2); |
321 |
|
322 |
if (!sv_type [ent->type]) |
323 |
{ |
324 |
sv_type [ent->type] = newSViv (ent->type); |
325 |
SvREADONLY_on (sv_type [ent->type]); |
326 |
} |
327 |
|
328 |
av_store (avent, 0, namesv); |
329 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
330 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
331 |
|
332 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
333 |
} |
334 |
else |
335 |
av_store (av, i, namesv); |
336 |
|
337 |
++ent; |
338 |
} |
339 |
else |
340 |
{ |
341 |
SV *name = newSVpv (names, 0); |
342 |
av_store (av, i, name); |
343 |
names += SvCUR (name) + 1; |
344 |
} |
345 |
} |
346 |
|
347 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
348 |
} |
349 |
|
350 |
PUSHs (rv); |
351 |
|
352 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
353 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
354 |
} |
355 |
break; |
356 |
|
357 |
case EIO_OPEN: |
358 |
{ |
359 |
/* convert fd to fh */ |
360 |
SV *fh = &PL_sv_undef; |
361 |
|
362 |
if (req->result >= 0) |
363 |
{ |
364 |
GV *gv = (GV *)sv_newmortal (); |
365 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
366 |
char sym [64]; |
367 |
int symlen; |
368 |
|
369 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
370 |
gv_init (gv, aio_stash, sym, symlen, 0); |
371 |
|
372 |
symlen = snprintf ( |
373 |
sym, |
374 |
sizeof (sym), |
375 |
"%s&=%d", |
376 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
377 |
(int)req->result |
378 |
); |
379 |
|
380 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
381 |
fh = (SV *)gv; |
382 |
} |
383 |
|
384 |
PUSHs (fh); |
385 |
} |
386 |
break; |
387 |
|
388 |
case EIO_STATVFS: |
389 |
case EIO_FSTATVFS: |
390 |
{ |
391 |
SV *rv = &PL_sv_undef; |
392 |
|
393 |
if (req->result >= 0) |
394 |
{ |
395 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
396 |
HV *hv = newHV (); |
397 |
|
398 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
399 |
|
400 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
401 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
402 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
403 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
404 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
405 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
406 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
407 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
408 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
409 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
410 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
411 |
} |
412 |
|
413 |
PUSHs (rv); |
414 |
} |
415 |
|
416 |
break; |
417 |
|
418 |
case EIO_GROUP: |
419 |
req->int1 = 2; /* mark group as finished */ |
420 |
|
421 |
if (req->sv1) |
422 |
{ |
423 |
int i; |
424 |
AV *av = (AV *)req->sv1; |
425 |
|
426 |
EXTEND (SP, AvFILL (av) + 1); |
427 |
for (i = 0; i <= AvFILL (av); ++i) |
428 |
PUSHs (*av_fetch (av, i, 0)); |
429 |
} |
430 |
break; |
431 |
|
432 |
case EIO_NOP: |
433 |
case EIO_BUSY: |
434 |
break; |
435 |
|
436 |
case EIO_READLINK: |
437 |
if (req->result > 0) |
438 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
439 |
break; |
440 |
|
441 |
case EIO_STAT: |
442 |
case EIO_LSTAT: |
443 |
case EIO_FSTAT: |
444 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
445 |
PL_laststatval = req->result; |
446 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
447 |
PUSHs (sv_2mortal (newSViv (req->result))); |
448 |
break; |
449 |
|
450 |
case EIO_READ: |
451 |
{ |
452 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
453 |
*SvEND (req->sv2) = 0; |
454 |
SvPOK_only (req->sv2); |
455 |
SvSETMAGIC (req->sv2); |
456 |
PUSHs (sv_2mortal (newSViv (req->result))); |
457 |
} |
458 |
break; |
459 |
|
460 |
case EIO_DUP2: |
461 |
if (req->result > 0) |
462 |
req->result = 0; |
463 |
/* FALLTHROUGH */ |
464 |
|
465 |
default: |
466 |
PUSHs (sv_2mortal (newSViv (req->result))); |
467 |
break; |
468 |
} |
469 |
|
470 |
errno = req->errorno; |
471 |
|
472 |
PUTBACK; |
473 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
474 |
SPAGAIN; |
475 |
|
476 |
FREETMPS; |
477 |
LEAVE; |
478 |
|
479 |
PUTBACK; |
480 |
} |
481 |
|
482 |
return !!SvTRUE (ERRSV); |
483 |
} |
484 |
|
485 |
static void req_destroy (aio_req req) |
486 |
{ |
487 |
if (req->self) |
488 |
{ |
489 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
490 |
SvREFCNT_dec (req->self); |
491 |
} |
492 |
|
493 |
SvREFCNT_dec (req->sv1); |
494 |
SvREFCNT_dec (req->sv2); |
495 |
SvREFCNT_dec (req->callback); |
496 |
|
497 |
Safefree (req); |
498 |
} |
499 |
|
500 |
static void req_cancel_subs (aio_req grp) |
501 |
{ |
502 |
aio_req sub; |
503 |
|
504 |
if (grp->type != EIO_GROUP) |
505 |
return; |
506 |
|
507 |
SvREFCNT_dec (grp->sv2); |
508 |
grp->sv2 = 0; |
509 |
|
510 |
eio_grp_cancel (grp); |
511 |
} |
512 |
|
513 |
static void |
514 |
create_respipe (void) |
515 |
{ |
516 |
if (s_epipe_renew (&respipe)) |
517 |
croak ("IO::AIO: unable to initialize result pipe"); |
518 |
} |
519 |
|
520 |
static void poll_wait (void) |
521 |
{ |
522 |
while (eio_nreqs ()) |
523 |
{ |
524 |
int size; |
525 |
|
526 |
X_LOCK (reslock); |
527 |
size = res_queue.size; |
528 |
X_UNLOCK (reslock); |
529 |
|
530 |
if (size) |
531 |
return; |
532 |
|
533 |
etp_maybe_start_thread (); |
534 |
|
535 |
s_epipe_wait (&respipe); |
536 |
} |
537 |
} |
538 |
|
539 |
static int poll_cb (void) |
540 |
{ |
541 |
for (;;) |
542 |
{ |
543 |
int res = eio_poll (); |
544 |
|
545 |
if (res > 0) |
546 |
croak (0); |
547 |
|
548 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
549 |
return res; |
550 |
|
551 |
poll_wait (); |
552 |
} |
553 |
} |
554 |
|
555 |
static void atfork_child (void) |
556 |
{ |
557 |
create_respipe (); |
558 |
} |
559 |
|
560 |
static SV * |
561 |
get_cb (SV *cb_sv) |
562 |
{ |
563 |
SvGETMAGIC (cb_sv); |
564 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
565 |
} |
566 |
|
567 |
#define dREQ \ |
568 |
SV *cb_cv; \ |
569 |
aio_req req; \ |
570 |
int req_pri = next_pri; \ |
571 |
next_pri = EIO_PRI_DEFAULT; \ |
572 |
\ |
573 |
cb_cv = get_cb (callback); \ |
574 |
\ |
575 |
Newz (0, req, 1, eio_req); \ |
576 |
if (!req) \ |
577 |
croak ("out of memory during eio_req allocation"); \ |
578 |
\ |
579 |
req->callback = SvREFCNT_inc (cb_cv); \ |
580 |
req->pri = req_pri |
581 |
|
582 |
#define REQ_SEND \ |
583 |
PUTBACK; \ |
584 |
req_submit (req); \ |
585 |
SPAGAIN; \ |
586 |
\ |
587 |
if (GIMME_V != G_VOID) \ |
588 |
XPUSHs (req_sv (req, aio_req_stash)); |
589 |
|
590 |
MODULE = IO::AIO PACKAGE = IO::AIO |
591 |
|
592 |
PROTOTYPES: ENABLE |
593 |
|
594 |
BOOT: |
595 |
{ |
596 |
static const struct { |
597 |
const char *name; |
598 |
IV iv; |
599 |
} *civ, const_iv[] = { |
600 |
# define const_iv(name, value) { # name, (IV) value }, |
601 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
602 |
const_iv (EXDEV , EXDEV) |
603 |
const_iv (ENOSYS , ENOSYS) |
604 |
const_iv (O_RDONLY, O_RDONLY) |
605 |
const_iv (O_WRONLY, O_WRONLY) |
606 |
const_iv (O_CREAT , O_CREAT) |
607 |
const_iv (O_TRUNC , O_TRUNC) |
608 |
#ifndef _WIN32 |
609 |
const_iv (S_IFIFO , S_IFIFO) |
610 |
#endif |
611 |
const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
612 |
const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
613 |
const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
614 |
const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
615 |
const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
616 |
const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
617 |
|
618 |
const_iv (ST_RDONLY , ST_RDONLY) |
619 |
const_iv (ST_NOSUID , ST_NOSUID) |
620 |
const_iv (ST_NODEV , ST_NODEV) |
621 |
const_iv (ST_NOEXEC , ST_NOEXEC) |
622 |
const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
623 |
const_iv (ST_MANDLOCK , ST_MANDLOCK) |
624 |
const_iv (ST_WRITE , ST_WRITE) |
625 |
const_iv (ST_APPEND , ST_APPEND) |
626 |
const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
627 |
const_iv (ST_NOATIME , ST_NOATIME) |
628 |
const_iv (ST_NODIRATIME , ST_NODIRATIME) |
629 |
const_iv (ST_RELATIME , ST_RELATIME) |
630 |
|
631 |
const_iv (MCL_FUTURE , MCL_FUTURE) |
632 |
const_iv (MCL_CURRENT , MCL_CURRENT) |
633 |
|
634 |
const_eio (MS_ASYNC) |
635 |
const_eio (MS_INVALIDATE) |
636 |
const_eio (MS_SYNC) |
637 |
|
638 |
const_eio (MT_MODIFY) |
639 |
|
640 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
641 |
const_eio (SYNC_FILE_RANGE_WRITE) |
642 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
643 |
|
644 |
const_eio (READDIR_DENTS) |
645 |
const_eio (READDIR_DIRS_FIRST) |
646 |
const_eio (READDIR_STAT_ORDER) |
647 |
const_eio (READDIR_FOUND_UNKNOWN) |
648 |
|
649 |
const_eio (DT_UNKNOWN) |
650 |
const_eio (DT_FIFO) |
651 |
const_eio (DT_CHR) |
652 |
const_eio (DT_DIR) |
653 |
const_eio (DT_BLK) |
654 |
const_eio (DT_REG) |
655 |
const_eio (DT_LNK) |
656 |
const_eio (DT_SOCK) |
657 |
const_eio (DT_WHT) |
658 |
}; |
659 |
|
660 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
661 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
662 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
663 |
|
664 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
665 |
newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
666 |
|
667 |
create_respipe (); |
668 |
|
669 |
if (eio_init (want_poll, done_poll) < 0) |
670 |
croak ("IO::AIO: unable to initialise eio library"); |
671 |
|
672 |
/* atfork child called in fifo order, so before eio's handler */ |
673 |
X_THREAD_ATFORK (0, 0, atfork_child); |
674 |
} |
675 |
|
676 |
void |
677 |
max_poll_reqs (int nreqs) |
678 |
PROTOTYPE: $ |
679 |
CODE: |
680 |
eio_set_max_poll_reqs (nreqs); |
681 |
|
682 |
void |
683 |
max_poll_time (double nseconds) |
684 |
PROTOTYPE: $ |
685 |
CODE: |
686 |
eio_set_max_poll_time (nseconds); |
687 |
|
688 |
void |
689 |
min_parallel (int nthreads) |
690 |
PROTOTYPE: $ |
691 |
CODE: |
692 |
eio_set_min_parallel (nthreads); |
693 |
|
694 |
void |
695 |
max_parallel (int nthreads) |
696 |
PROTOTYPE: $ |
697 |
CODE: |
698 |
eio_set_max_parallel (nthreads); |
699 |
|
700 |
void |
701 |
max_idle (int nthreads) |
702 |
PROTOTYPE: $ |
703 |
CODE: |
704 |
eio_set_max_idle (nthreads); |
705 |
|
706 |
void |
707 |
max_outstanding (int maxreqs) |
708 |
PROTOTYPE: $ |
709 |
CODE: |
710 |
max_outstanding = maxreqs; |
711 |
|
712 |
void |
713 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
714 |
PROTOTYPE: $$$;$ |
715 |
PPCODE: |
716 |
{ |
717 |
dREQ; |
718 |
|
719 |
req->type = EIO_OPEN; |
720 |
req->sv1 = newSVsv (pathname); |
721 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
722 |
req->int1 = flags; |
723 |
req->int2 = mode; |
724 |
|
725 |
REQ_SEND; |
726 |
} |
727 |
|
728 |
void |
729 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
730 |
PROTOTYPE: $;$ |
731 |
ALIAS: |
732 |
aio_fsync = EIO_FSYNC |
733 |
aio_fdatasync = EIO_FDATASYNC |
734 |
PPCODE: |
735 |
{ |
736 |
int fd = s_fileno_croak (fh, 0); |
737 |
dREQ; |
738 |
|
739 |
req->type = ix; |
740 |
req->sv1 = newSVsv (fh); |
741 |
req->int1 = fd; |
742 |
|
743 |
REQ_SEND (req); |
744 |
} |
745 |
|
746 |
void |
747 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
748 |
PROTOTYPE: $$$$;$ |
749 |
PPCODE: |
750 |
{ |
751 |
int fd = s_fileno_croak (fh, 0); |
752 |
dREQ; |
753 |
|
754 |
req->type = EIO_SYNC_FILE_RANGE; |
755 |
req->sv1 = newSVsv (fh); |
756 |
req->int1 = fd; |
757 |
req->offs = offset; |
758 |
req->size = nbytes; |
759 |
req->int2 = flags; |
760 |
|
761 |
REQ_SEND (req); |
762 |
} |
763 |
|
764 |
void |
765 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
766 |
PROTOTYPE: $;$ |
767 |
PPCODE: |
768 |
{ |
769 |
static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
770 |
int fd = s_fileno_croak (fh, 0); |
771 |
dREQ; |
772 |
|
773 |
if (close_pipe < 0) |
774 |
{ |
775 |
int pipefd [2]; |
776 |
|
777 |
if (pipe (pipefd) < 0 |
778 |
|| close (pipefd [1]) < 0 |
779 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
780 |
abort (); /*D*/ |
781 |
|
782 |
close_pipe = pipefd [0]; |
783 |
} |
784 |
|
785 |
req->type = EIO_DUP2; |
786 |
req->int1 = close_pipe; |
787 |
req->sv2 = newSVsv (fh); |
788 |
req->int2 = fd; |
789 |
|
790 |
REQ_SEND (req); |
791 |
} |
792 |
|
793 |
void |
794 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
795 |
ALIAS: |
796 |
aio_read = EIO_READ |
797 |
aio_write = EIO_WRITE |
798 |
PROTOTYPE: $$$$$;$ |
799 |
PPCODE: |
800 |
{ |
801 |
STRLEN svlen; |
802 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
803 |
char *svptr = SvPVbyte (data, svlen); |
804 |
UV len = SvUV (length); |
805 |
|
806 |
if (dataoffset < 0) |
807 |
dataoffset += svlen; |
808 |
|
809 |
if (dataoffset < 0 || dataoffset > svlen) |
810 |
croak ("dataoffset outside of data scalar"); |
811 |
|
812 |
if (ix == EIO_WRITE) |
813 |
{ |
814 |
/* write: check length and adjust. */ |
815 |
if (!SvOK (length) || len + dataoffset > svlen) |
816 |
len = svlen - dataoffset; |
817 |
} |
818 |
else |
819 |
{ |
820 |
/* read: check type and grow scalar as necessary */ |
821 |
SvUPGRADE (data, SVt_PV); |
822 |
svptr = SvGROW (data, len + dataoffset + 1); |
823 |
} |
824 |
|
825 |
{ |
826 |
dREQ; |
827 |
|
828 |
req->type = ix; |
829 |
req->sv1 = newSVsv (fh); |
830 |
req->int1 = fd; |
831 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
832 |
req->size = len; |
833 |
req->sv2 = SvREFCNT_inc (data); |
834 |
req->ptr2 = (char *)svptr + dataoffset; |
835 |
req->stroffset = dataoffset; |
836 |
|
837 |
if (!SvREADONLY (data)) |
838 |
{ |
839 |
SvREADONLY_on (data); |
840 |
req->flags |= FLAG_SV2_RO_OFF; |
841 |
} |
842 |
|
843 |
REQ_SEND; |
844 |
} |
845 |
} |
846 |
|
847 |
void |
848 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
849 |
PROTOTYPE: $$;$ |
850 |
PPCODE: |
851 |
{ |
852 |
SV *data; |
853 |
dREQ; |
854 |
|
855 |
req->type = EIO_READLINK; |
856 |
req->sv1 = newSVsv (path); |
857 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
858 |
|
859 |
REQ_SEND; |
860 |
} |
861 |
|
862 |
void |
863 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
864 |
PROTOTYPE: $$$$;$ |
865 |
PPCODE: |
866 |
{ |
867 |
int ifd = s_fileno_croak (in_fh , 0); |
868 |
int ofd = s_fileno_croak (out_fh, 1); |
869 |
dREQ; |
870 |
|
871 |
req->type = EIO_SENDFILE; |
872 |
req->sv1 = newSVsv (out_fh); |
873 |
req->int1 = ofd; |
874 |
req->sv2 = newSVsv (in_fh); |
875 |
req->int2 = ifd; |
876 |
req->offs = in_offset; |
877 |
req->size = length; |
878 |
|
879 |
REQ_SEND; |
880 |
} |
881 |
|
882 |
void |
883 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
884 |
PROTOTYPE: $$$;$ |
885 |
PPCODE: |
886 |
{ |
887 |
int fd = s_fileno_croak (fh, 0); |
888 |
dREQ; |
889 |
|
890 |
req->type = EIO_READAHEAD; |
891 |
req->sv1 = newSVsv (fh); |
892 |
req->int1 = fd; |
893 |
req->offs = offset; |
894 |
req->size = length; |
895 |
|
896 |
REQ_SEND; |
897 |
} |
898 |
|
899 |
void |
900 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
901 |
ALIAS: |
902 |
aio_stat = EIO_STAT |
903 |
aio_lstat = EIO_LSTAT |
904 |
aio_statvfs = EIO_STATVFS |
905 |
PPCODE: |
906 |
{ |
907 |
dREQ; |
908 |
|
909 |
req->sv1 = newSVsv (fh_or_path); |
910 |
|
911 |
if (SvPOK (req->sv1)) |
912 |
{ |
913 |
req->type = ix; |
914 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
915 |
} |
916 |
else |
917 |
{ |
918 |
req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
919 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
920 |
} |
921 |
|
922 |
REQ_SEND; |
923 |
} |
924 |
|
925 |
void |
926 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
927 |
PPCODE: |
928 |
{ |
929 |
dREQ; |
930 |
|
931 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
932 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
933 |
req->sv1 = newSVsv (fh_or_path); |
934 |
|
935 |
if (SvPOK (req->sv1)) |
936 |
{ |
937 |
req->type = EIO_UTIME; |
938 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
939 |
} |
940 |
else |
941 |
{ |
942 |
req->type = EIO_FUTIME; |
943 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
944 |
} |
945 |
|
946 |
REQ_SEND; |
947 |
} |
948 |
|
949 |
void |
950 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
951 |
PPCODE: |
952 |
{ |
953 |
dREQ; |
954 |
|
955 |
req->sv1 = newSVsv (fh_or_path); |
956 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
957 |
|
958 |
if (SvPOK (req->sv1)) |
959 |
{ |
960 |
req->type = EIO_TRUNCATE; |
961 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
962 |
} |
963 |
else |
964 |
{ |
965 |
req->type = EIO_FTRUNCATE; |
966 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
967 |
} |
968 |
|
969 |
REQ_SEND; |
970 |
} |
971 |
|
972 |
void |
973 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
974 |
ALIAS: |
975 |
aio_chmod = EIO_CHMOD |
976 |
aio_mkdir = EIO_MKDIR |
977 |
PPCODE: |
978 |
{ |
979 |
dREQ; |
980 |
|
981 |
req->int2 = mode; |
982 |
req->sv1 = newSVsv (fh_or_path); |
983 |
|
984 |
if (SvPOK (req->sv1)) |
985 |
{ |
986 |
req->type = ix; |
987 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
988 |
} |
989 |
else |
990 |
{ |
991 |
req->type = EIO_FCHMOD; |
992 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
993 |
} |
994 |
|
995 |
REQ_SEND; |
996 |
} |
997 |
|
998 |
void |
999 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
1000 |
PPCODE: |
1001 |
{ |
1002 |
dREQ; |
1003 |
|
1004 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1005 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1006 |
req->sv1 = newSVsv (fh_or_path); |
1007 |
|
1008 |
if (SvPOK (req->sv1)) |
1009 |
{ |
1010 |
req->type = EIO_CHOWN; |
1011 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1012 |
} |
1013 |
else |
1014 |
{ |
1015 |
req->type = EIO_FCHOWN; |
1016 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1017 |
} |
1018 |
|
1019 |
REQ_SEND; |
1020 |
} |
1021 |
|
1022 |
void |
1023 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1024 |
PPCODE: |
1025 |
{ |
1026 |
dREQ; |
1027 |
|
1028 |
req->type = EIO_READDIR; |
1029 |
req->sv1 = newSVsv (pathname); |
1030 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1031 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1032 |
|
1033 |
if (flags & EIO_READDIR_DENTS) |
1034 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1035 |
|
1036 |
REQ_SEND; |
1037 |
} |
1038 |
|
1039 |
void |
1040 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1041 |
ALIAS: |
1042 |
aio_unlink = EIO_UNLINK |
1043 |
aio_rmdir = EIO_RMDIR |
1044 |
aio_readdir = EIO_READDIR |
1045 |
PPCODE: |
1046 |
{ |
1047 |
dREQ; |
1048 |
|
1049 |
req->type = ix; |
1050 |
req->sv1 = newSVsv (pathname); |
1051 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1052 |
|
1053 |
REQ_SEND; |
1054 |
} |
1055 |
|
1056 |
void |
1057 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1058 |
ALIAS: |
1059 |
aio_link = EIO_LINK |
1060 |
aio_symlink = EIO_SYMLINK |
1061 |
aio_rename = EIO_RENAME |
1062 |
PPCODE: |
1063 |
{ |
1064 |
dREQ; |
1065 |
|
1066 |
req->type = ix; |
1067 |
req->sv1 = newSVsv (oldpath); |
1068 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1069 |
req->sv2 = newSVsv (newpath); |
1070 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
1071 |
|
1072 |
REQ_SEND; |
1073 |
} |
1074 |
|
1075 |
void |
1076 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1077 |
PPCODE: |
1078 |
{ |
1079 |
dREQ; |
1080 |
|
1081 |
req->type = EIO_MKNOD; |
1082 |
req->sv1 = newSVsv (pathname); |
1083 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1084 |
req->int2 = (mode_t)mode; |
1085 |
req->offs = dev; |
1086 |
|
1087 |
REQ_SEND; |
1088 |
} |
1089 |
|
1090 |
void |
1091 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1092 |
ALIAS: |
1093 |
aio_mtouch = EIO_MTOUCH |
1094 |
aio_msync = EIO_MSYNC |
1095 |
PROTOTYPE: $$$$;$ |
1096 |
PPCODE: |
1097 |
{ |
1098 |
STRLEN svlen; |
1099 |
UV len = SvUV (length); |
1100 |
char *svptr = SvPVbyte (data, svlen); |
1101 |
|
1102 |
if (offset < 0) |
1103 |
offset += svlen; |
1104 |
|
1105 |
if (offset < 0 || offset > svlen) |
1106 |
croak ("offset outside of scalar"); |
1107 |
|
1108 |
if (!SvOK (length) || len + offset > svlen) |
1109 |
len = svlen - offset; |
1110 |
|
1111 |
{ |
1112 |
dREQ; |
1113 |
|
1114 |
req->type = ix; |
1115 |
req->size = len; |
1116 |
req->sv2 = SvREFCNT_inc (data); |
1117 |
req->ptr2 = (char *)svptr + offset; |
1118 |
req->int1 = flags; |
1119 |
|
1120 |
REQ_SEND; |
1121 |
} |
1122 |
} |
1123 |
|
1124 |
void |
1125 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1126 |
PPCODE: |
1127 |
{ |
1128 |
dREQ; |
1129 |
|
1130 |
req->type = EIO_BUSY; |
1131 |
req->nv1 = delay < 0. ? 0. : delay; |
1132 |
|
1133 |
REQ_SEND; |
1134 |
} |
1135 |
|
1136 |
void |
1137 |
aio_group (SV *callback=&PL_sv_undef) |
1138 |
PROTOTYPE: ;$ |
1139 |
PPCODE: |
1140 |
{ |
1141 |
dREQ; |
1142 |
|
1143 |
req->type = EIO_GROUP; |
1144 |
|
1145 |
req_submit (req); |
1146 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1147 |
} |
1148 |
|
1149 |
void |
1150 |
aio_nop (SV *callback=&PL_sv_undef) |
1151 |
ALIAS: |
1152 |
aio_nop = EIO_NOP |
1153 |
aio_sync = EIO_SYNC |
1154 |
PPCODE: |
1155 |
{ |
1156 |
dREQ; |
1157 |
|
1158 |
req->type = ix; |
1159 |
|
1160 |
REQ_SEND; |
1161 |
} |
1162 |
|
1163 |
int |
1164 |
aioreq_pri (int pri = 0) |
1165 |
PROTOTYPE: ;$ |
1166 |
CODE: |
1167 |
RETVAL = next_pri; |
1168 |
if (items > 0) |
1169 |
{ |
1170 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1171 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1172 |
next_pri = pri; |
1173 |
} |
1174 |
OUTPUT: |
1175 |
RETVAL |
1176 |
|
1177 |
void |
1178 |
aioreq_nice (int nice = 0) |
1179 |
CODE: |
1180 |
nice = next_pri - nice; |
1181 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1182 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1183 |
next_pri = nice; |
1184 |
|
1185 |
void |
1186 |
flush () |
1187 |
PROTOTYPE: |
1188 |
CODE: |
1189 |
while (eio_nreqs ()) |
1190 |
{ |
1191 |
poll_wait (); |
1192 |
poll_cb (); |
1193 |
} |
1194 |
|
1195 |
int |
1196 |
poll() |
1197 |
PROTOTYPE: |
1198 |
CODE: |
1199 |
poll_wait (); |
1200 |
RETVAL = poll_cb (); |
1201 |
OUTPUT: |
1202 |
RETVAL |
1203 |
|
1204 |
int |
1205 |
poll_fileno() |
1206 |
PROTOTYPE: |
1207 |
CODE: |
1208 |
RETVAL = s_epipe_fd (&respipe); |
1209 |
OUTPUT: |
1210 |
RETVAL |
1211 |
|
1212 |
int |
1213 |
poll_cb(...) |
1214 |
PROTOTYPE: |
1215 |
CODE: |
1216 |
RETVAL = poll_cb (); |
1217 |
OUTPUT: |
1218 |
RETVAL |
1219 |
|
1220 |
void |
1221 |
poll_wait() |
1222 |
PROTOTYPE: |
1223 |
CODE: |
1224 |
poll_wait (); |
1225 |
|
1226 |
int |
1227 |
nreqs() |
1228 |
PROTOTYPE: |
1229 |
CODE: |
1230 |
RETVAL = eio_nreqs (); |
1231 |
OUTPUT: |
1232 |
RETVAL |
1233 |
|
1234 |
int |
1235 |
nready() |
1236 |
PROTOTYPE: |
1237 |
CODE: |
1238 |
RETVAL = eio_nready (); |
1239 |
OUTPUT: |
1240 |
RETVAL |
1241 |
|
1242 |
int |
1243 |
npending() |
1244 |
PROTOTYPE: |
1245 |
CODE: |
1246 |
RETVAL = eio_npending (); |
1247 |
OUTPUT: |
1248 |
RETVAL |
1249 |
|
1250 |
int |
1251 |
nthreads() |
1252 |
PROTOTYPE: |
1253 |
CODE: |
1254 |
RETVAL = eio_nthreads (); |
1255 |
OUTPUT: |
1256 |
RETVAL |
1257 |
|
1258 |
int |
1259 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1260 |
PROTOTYPE: $$$$ |
1261 |
CODE: |
1262 |
#if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1263 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1264 |
#else |
1265 |
RETVAL = errno = ENOSYS; |
1266 |
#endif |
1267 |
OUTPUT: |
1268 |
RETVAL |
1269 |
|
1270 |
ssize_t |
1271 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1272 |
PROTOTYPE: $$$$ |
1273 |
CODE: |
1274 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1275 |
OUTPUT: |
1276 |
RETVAL |
1277 |
|
1278 |
int |
1279 |
mlockall (int flags) |
1280 |
PROTOTYPE: $ |
1281 |
CODE: |
1282 |
#if _POSIX_MEMLOCK |
1283 |
#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
1284 |
extern int mallopt (int, int); |
1285 |
mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1286 |
#endif |
1287 |
mlockall (flags); |
1288 |
#else |
1289 |
RETVAL =-1; |
1290 |
errno = ENOSYS; |
1291 |
#endif |
1292 |
OUTPUT: |
1293 |
RETVAL |
1294 |
|
1295 |
int |
1296 |
munlockall () |
1297 |
PROTOTYPE: |
1298 |
CODE: |
1299 |
#if _POSIX_MEMLOCK |
1300 |
munlockall (); |
1301 |
#else |
1302 |
RETVAL =-1; |
1303 |
errno = ENOSYS; |
1304 |
#endif |
1305 |
OUTPUT: |
1306 |
RETVAL |
1307 |
|
1308 |
void _on_next_submit (SV *cb) |
1309 |
CODE: |
1310 |
SvREFCNT_dec (on_next_submit); |
1311 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1312 |
|
1313 |
PROTOTYPES: DISABLE |
1314 |
|
1315 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1316 |
|
1317 |
void |
1318 |
cancel (aio_req_ornot req) |
1319 |
CODE: |
1320 |
eio_cancel (req); |
1321 |
|
1322 |
void |
1323 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1324 |
PPCODE: |
1325 |
{ |
1326 |
if (GIMME_V != G_VOID) |
1327 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1328 |
|
1329 |
if (items > 1) |
1330 |
{ |
1331 |
SV *cb_cv =get_cb (callback); |
1332 |
|
1333 |
SvREFCNT_dec (req->callback); |
1334 |
req->callback = SvREFCNT_inc (cb_cv); |
1335 |
} |
1336 |
} |
1337 |
|
1338 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1339 |
|
1340 |
void |
1341 |
add (aio_req grp, ...) |
1342 |
PPCODE: |
1343 |
{ |
1344 |
int i; |
1345 |
|
1346 |
if (grp->int1 == 2) |
1347 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1348 |
|
1349 |
for (i = 1; i < items; ++i ) |
1350 |
{ |
1351 |
aio_req req; |
1352 |
|
1353 |
if (GIMME_V != G_VOID) |
1354 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1355 |
|
1356 |
req = SvAIO_REQ (ST (i)); |
1357 |
|
1358 |
if (req) |
1359 |
eio_grp_add (grp, req); |
1360 |
} |
1361 |
} |
1362 |
|
1363 |
void |
1364 |
cancel_subs (aio_req_ornot req) |
1365 |
CODE: |
1366 |
req_cancel_subs (req); |
1367 |
|
1368 |
void |
1369 |
result (aio_req grp, ...) |
1370 |
CODE: |
1371 |
{ |
1372 |
int i; |
1373 |
AV *av; |
1374 |
|
1375 |
grp->errorno = errno; |
1376 |
|
1377 |
av = newAV (); |
1378 |
av_extend (av, items - 1); |
1379 |
|
1380 |
for (i = 1; i < items; ++i ) |
1381 |
av_push (av, newSVsv (ST (i))); |
1382 |
|
1383 |
SvREFCNT_dec (grp->sv1); |
1384 |
grp->sv1 = (SV *)av; |
1385 |
} |
1386 |
|
1387 |
void |
1388 |
errno (aio_req grp, int errorno = errno) |
1389 |
CODE: |
1390 |
grp->errorno = errorno; |
1391 |
|
1392 |
void |
1393 |
limit (aio_req grp, int limit) |
1394 |
CODE: |
1395 |
eio_grp_limit (grp, limit); |
1396 |
|
1397 |
void |
1398 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1399 |
CODE: |
1400 |
{ |
1401 |
SvREFCNT_dec (grp->sv2); |
1402 |
grp->sv2 = newSVsv (callback); |
1403 |
grp->feed = aio_grp_feed; |
1404 |
|
1405 |
if (grp->int2 <= 0) |
1406 |
grp->int2 = 2; |
1407 |
|
1408 |
eio_grp_limit (grp, grp->int2); |
1409 |
} |
1410 |
|