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 <stddef.h> |
10 |
#include <stdlib.h> |
11 |
#include <errno.h> |
12 |
#include <sys/types.h> |
13 |
#include <sys/stat.h> |
14 |
#include <limits.h> |
15 |
#include <fcntl.h> |
16 |
#include <sched.h> |
17 |
|
18 |
/* perl namespace pollution */ |
19 |
#undef VERSION |
20 |
|
21 |
#ifdef _WIN32 |
22 |
|
23 |
# define EIO_STRUCT_DIRENT Direntry_t |
24 |
# undef malloc |
25 |
# undef free |
26 |
|
27 |
// perl overrides all those nice win32 functions |
28 |
# undef open |
29 |
# undef read |
30 |
# undef write |
31 |
# undef send |
32 |
# undef recv |
33 |
# undef stat |
34 |
# undef fstat |
35 |
# define lstat stat |
36 |
# undef truncate |
37 |
# undef ftruncate |
38 |
# undef open |
39 |
# undef close |
40 |
# undef unlink |
41 |
# undef rmdir |
42 |
# undef rename |
43 |
# undef lseek |
44 |
|
45 |
# define chown(a,b,c) (errno = ENOSYS, -1) |
46 |
# define fchown(a,b,c) (errno = ENOSYS, -1) |
47 |
# define fchmod(a,b) (errno = ENOSYS, -1) |
48 |
# define symlink(a,b) (errno = ENOSYS, -1) |
49 |
# define readlink(a,b,c) (errno = ENOSYS, -1) |
50 |
# define mknod(a,b,c) (errno = ENOSYS, -1) |
51 |
# define truncate(a,b) (errno = ENOSYS, -1) |
52 |
# define ftruncate(fd,o) chsize ((fd), (o)) |
53 |
# define fsync(fd) _commit (fd) |
54 |
# define opendir(fd) (errno = ENOSYS, 0) |
55 |
# define readdir(fd) (errno = ENOSYS, -1) |
56 |
# define closedir(fd) (errno = ENOSYS, -1) |
57 |
# define mkdir(a,b) mkdir (a) |
58 |
|
59 |
#else |
60 |
|
61 |
# include <sys/time.h> |
62 |
# include <sys/select.h> |
63 |
# include <unistd.h> |
64 |
# include <utime.h> |
65 |
# include <signal.h> |
66 |
# define EIO_STRUCT_DIRENT struct dirent |
67 |
|
68 |
#endif |
69 |
|
70 |
#define EIO_STRUCT_STAT Stat_t |
71 |
|
72 |
/* use NV for 32 bit perls as it allows larger offsets */ |
73 |
#if IVSIZE >= 8 |
74 |
# define SvVAL64 SvIV |
75 |
#else |
76 |
# define SvVAL64 SvNV |
77 |
#endif |
78 |
|
79 |
static HV *stash; |
80 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
81 |
|
82 |
#define AIO_REQ_KLASS "IO::AIO::REQ" |
83 |
#define AIO_GRP_KLASS "IO::AIO::GRP" |
84 |
|
85 |
#define EIO_COMMON \ |
86 |
SV *callback; \ |
87 |
SV *sv1, *sv2; \ |
88 |
STRLEN stroffset; \ |
89 |
SV *self |
90 |
|
91 |
#include "libeio/eio.h" |
92 |
|
93 |
static int req_invoke (eio_req *req); |
94 |
#define EIO_FINISH(req) req_invoke (req) |
95 |
static void aio_grp_feed (eio_req *grp); |
96 |
#define EIO_FEED(req) aio_grp_feed (req) |
97 |
static void req_destroy (eio_req *grp); |
98 |
#define EIO_DESTROY(req) req_destroy (req) |
99 |
|
100 |
enum { |
101 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
102 |
}; |
103 |
|
104 |
#include "libeio/eio.c" |
105 |
|
106 |
typedef eio_req *aio_req; |
107 |
typedef eio_req *aio_req_ornot; |
108 |
|
109 |
static SV *on_next_submit; |
110 |
static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; |
111 |
static int max_outstanding; |
112 |
|
113 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
114 |
|
115 |
static void req_destroy (aio_req req); |
116 |
static void req_cancel (aio_req req); |
117 |
|
118 |
static void want_poll (void) |
119 |
{ |
120 |
/* write a dummy byte to the pipe so fh becomes ready */ |
121 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
122 |
} |
123 |
|
124 |
static void done_poll (void) |
125 |
{ |
126 |
/* read any signals sent by the worker threads */ |
127 |
char buf [4]; |
128 |
while (respipe_read (respipe [0], buf, 4) == 4) |
129 |
; |
130 |
} |
131 |
|
132 |
/* must be called at most once */ |
133 |
static SV *req_sv (aio_req req, const char *klass) |
134 |
{ |
135 |
if (!req->self) |
136 |
{ |
137 |
req->self = (SV *)newHV (); |
138 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
139 |
} |
140 |
|
141 |
return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
142 |
} |
143 |
|
144 |
static aio_req SvAIO_REQ (SV *sv) |
145 |
{ |
146 |
MAGIC *mg; |
147 |
|
148 |
if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
149 |
croak ("object of class " AIO_REQ_KLASS " expected"); |
150 |
|
151 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
152 |
|
153 |
return mg ? (aio_req)mg->mg_ptr : 0; |
154 |
} |
155 |
|
156 |
static void aio_grp_feed (aio_req grp) |
157 |
{ |
158 |
if (grp->sv2 && SvOK (grp->sv2)) |
159 |
{ |
160 |
dSP; |
161 |
|
162 |
ENTER; |
163 |
SAVETMPS; |
164 |
PUSHMARK (SP); |
165 |
XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
166 |
PUTBACK; |
167 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
168 |
SPAGAIN; |
169 |
FREETMPS; |
170 |
LEAVE; |
171 |
} |
172 |
} |
173 |
|
174 |
static void req_submit (eio_req *req) |
175 |
{ |
176 |
eio_submit (req); |
177 |
|
178 |
if (on_next_submit) |
179 |
{ |
180 |
dSP; |
181 |
SV *cb = sv_2mortal (on_next_submit); |
182 |
|
183 |
on_next_submit = 0; |
184 |
|
185 |
PUSHMARK (SP); |
186 |
PUTBACK; |
187 |
call_sv (cb, G_DISCARD | G_EVAL); |
188 |
} |
189 |
} |
190 |
|
191 |
static int req_invoke (eio_req *req) |
192 |
{ |
193 |
dSP; |
194 |
|
195 |
if (req->flags & FLAG_SV2_RO_OFF) |
196 |
SvREADONLY_off (req->sv2); |
197 |
|
198 |
if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
199 |
{ |
200 |
ENTER; |
201 |
SAVETMPS; |
202 |
PUSHMARK (SP); |
203 |
EXTEND (SP, 1); |
204 |
|
205 |
switch (req->type) |
206 |
{ |
207 |
case EIO_READDIR: |
208 |
{ |
209 |
SV *rv = &PL_sv_undef; |
210 |
|
211 |
if (req->result >= 0) |
212 |
{ |
213 |
int i; |
214 |
char *buf = req->ptr2; |
215 |
AV *av = newAV (); |
216 |
|
217 |
av_extend (av, req->result - 1); |
218 |
|
219 |
for (i = 0; i < req->result; ++i) |
220 |
{ |
221 |
SV *sv = newSVpv (buf, 0); |
222 |
|
223 |
av_store (av, i, sv); |
224 |
buf += SvCUR (sv) + 1; |
225 |
} |
226 |
|
227 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
228 |
} |
229 |
|
230 |
PUSHs (rv); |
231 |
} |
232 |
break; |
233 |
|
234 |
case EIO_OPEN: |
235 |
{ |
236 |
/* convert fd to fh */ |
237 |
SV *fh = &PL_sv_undef; |
238 |
|
239 |
if (req->result >= 0) |
240 |
{ |
241 |
GV *gv = (GV *)sv_newmortal (); |
242 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
243 |
char sym [64]; |
244 |
int symlen; |
245 |
|
246 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
247 |
gv_init (gv, stash, sym, symlen, 0); |
248 |
|
249 |
symlen = snprintf ( |
250 |
sym, |
251 |
sizeof (sym), |
252 |
"%s&=%d", |
253 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
254 |
req->result |
255 |
); |
256 |
|
257 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
258 |
fh = (SV *)gv; |
259 |
} |
260 |
|
261 |
PUSHs (fh); |
262 |
} |
263 |
break; |
264 |
|
265 |
case EIO_GROUP: |
266 |
req->int1 = 2; /* mark group as finished */ |
267 |
|
268 |
if (req->sv1) |
269 |
{ |
270 |
int i; |
271 |
AV *av = (AV *)req->sv1; |
272 |
|
273 |
EXTEND (SP, AvFILL (av) + 1); |
274 |
for (i = 0; i <= AvFILL (av); ++i) |
275 |
PUSHs (*av_fetch (av, i, 0)); |
276 |
} |
277 |
break; |
278 |
|
279 |
case EIO_NOP: |
280 |
case EIO_BUSY: |
281 |
break; |
282 |
|
283 |
case EIO_READLINK: |
284 |
if (req->result > 0) |
285 |
{ |
286 |
SvCUR_set (req->sv2, req->result); |
287 |
*SvEND (req->sv2) = 0; |
288 |
PUSHs (req->sv2); |
289 |
} |
290 |
break; |
291 |
|
292 |
case EIO_STAT: |
293 |
case EIO_LSTAT: |
294 |
case EIO_FSTAT: |
295 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
296 |
PL_laststatval = req->result; |
297 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
298 |
PUSHs (sv_2mortal (newSViv (req->result))); |
299 |
break; |
300 |
|
301 |
case EIO_READ: |
302 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
303 |
*SvEND (req->sv2) = 0; |
304 |
PUSHs (sv_2mortal (newSViv (req->result))); |
305 |
break; |
306 |
|
307 |
case EIO_DUP2: |
308 |
if (req->result > 0) |
309 |
req->result = 0; |
310 |
/* FALLTHROUGH */ |
311 |
|
312 |
default: |
313 |
PUSHs (sv_2mortal (newSViv (req->result))); |
314 |
break; |
315 |
} |
316 |
|
317 |
errno = req->errorno; |
318 |
|
319 |
PUTBACK; |
320 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
321 |
SPAGAIN; |
322 |
|
323 |
FREETMPS; |
324 |
LEAVE; |
325 |
|
326 |
PUTBACK; |
327 |
} |
328 |
|
329 |
return !!SvTRUE (ERRSV); |
330 |
} |
331 |
|
332 |
static void req_destroy (aio_req req) |
333 |
{ |
334 |
if (req->self) |
335 |
{ |
336 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
337 |
SvREFCNT_dec (req->self); |
338 |
} |
339 |
|
340 |
SvREFCNT_dec (req->sv1); |
341 |
SvREFCNT_dec (req->sv2); |
342 |
SvREFCNT_dec (req->callback); |
343 |
|
344 |
Safefree (req); |
345 |
} |
346 |
|
347 |
static void req_cancel_subs (aio_req grp) |
348 |
{ |
349 |
aio_req sub; |
350 |
|
351 |
if (grp->type != EIO_GROUP) |
352 |
return; |
353 |
|
354 |
SvREFCNT_dec (grp->sv2); |
355 |
grp->sv2 = 0; |
356 |
|
357 |
eio_grp_cancel (grp); |
358 |
} |
359 |
|
360 |
#ifdef USE_SOCKETS_AS_HANDLES |
361 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
362 |
#else |
363 |
# define TO_SOCKET(x) (x) |
364 |
#endif |
365 |
|
366 |
static void |
367 |
create_respipe (void) |
368 |
{ |
369 |
int old_readfd = respipe [0]; |
370 |
|
371 |
if (respipe [1] >= 0) |
372 |
respipe_close (TO_SOCKET (respipe [1])); |
373 |
|
374 |
#ifdef _WIN32 |
375 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
376 |
#else |
377 |
if (pipe (respipe)) |
378 |
#endif |
379 |
croak ("unable to initialize result pipe"); |
380 |
|
381 |
if (old_readfd >= 0) |
382 |
{ |
383 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
384 |
croak ("unable to initialize result pipe(2)"); |
385 |
|
386 |
respipe_close (respipe [0]); |
387 |
respipe [0] = old_readfd; |
388 |
} |
389 |
|
390 |
#ifdef _WIN32 |
391 |
int arg = 1; |
392 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
393 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
394 |
#else |
395 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
396 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
397 |
#endif |
398 |
croak ("unable to initialize result pipe(3)"); |
399 |
|
400 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
401 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
402 |
} |
403 |
|
404 |
static void poll_wait (void) |
405 |
{ |
406 |
fd_set rfd; |
407 |
|
408 |
while (eio_nreqs ()) |
409 |
{ |
410 |
int size; |
411 |
|
412 |
X_LOCK (reslock); |
413 |
size = res_queue.size; |
414 |
X_UNLOCK (reslock); |
415 |
|
416 |
if (size) |
417 |
return; |
418 |
|
419 |
maybe_start_thread (); |
420 |
|
421 |
FD_ZERO (&rfd); |
422 |
FD_SET (respipe [0], &rfd); |
423 |
|
424 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
425 |
} |
426 |
} |
427 |
|
428 |
static int poll_cb (void) |
429 |
{ |
430 |
int res; |
431 |
|
432 |
do |
433 |
{ |
434 |
res = eio_poll (); |
435 |
|
436 |
if (res > 0) |
437 |
croak (0); |
438 |
} |
439 |
while (max_outstanding && max_outstanding <= eio_nreqs ()); |
440 |
|
441 |
return res; |
442 |
} |
443 |
|
444 |
static void atfork_child (void) |
445 |
{ |
446 |
create_respipe (); |
447 |
} |
448 |
|
449 |
#define dREQ \ |
450 |
aio_req req; \ |
451 |
int req_pri = next_pri; \ |
452 |
next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
453 |
\ |
454 |
if (SvOK (callback) && !SvROK (callback)) \ |
455 |
croak ("callback must be undef or of reference type"); \ |
456 |
\ |
457 |
Newz (0, req, 1, eio_req); \ |
458 |
if (!req) \ |
459 |
croak ("out of memory during eio_req allocation"); \ |
460 |
\ |
461 |
req->callback = newSVsv (callback); \ |
462 |
req->pri = req_pri |
463 |
|
464 |
#define REQ_SEND \ |
465 |
req_submit (req); \ |
466 |
\ |
467 |
if (GIMME_V != G_VOID) \ |
468 |
XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
469 |
|
470 |
MODULE = IO::AIO PACKAGE = IO::AIO |
471 |
|
472 |
PROTOTYPES: ENABLE |
473 |
|
474 |
BOOT: |
475 |
{ |
476 |
stash = gv_stashpv ("IO::AIO", 1); |
477 |
|
478 |
newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
479 |
newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
480 |
newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
481 |
newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
482 |
newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
483 |
#ifdef _WIN32 |
484 |
X_MUTEX_CHECK (wrklock); |
485 |
X_MUTEX_CHECK (reslock); |
486 |
X_MUTEX_CHECK (reqlock); |
487 |
X_MUTEX_CHECK (reqwait); |
488 |
X_MUTEX_CHECK (preadwritelock); |
489 |
X_MUTEX_CHECK (readdirlock); |
490 |
|
491 |
X_COND_CHECK (reqwait); |
492 |
#else |
493 |
newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
494 |
#endif |
495 |
|
496 |
create_respipe (); |
497 |
|
498 |
if (eio_init (want_poll, done_poll) < 0) |
499 |
croak ("IO::AIO: unable to initialise eio library"); |
500 |
|
501 |
/* atfork child called in fifo order, so before eio's handler */ |
502 |
X_THREAD_ATFORK (0, 0, atfork_child); |
503 |
} |
504 |
|
505 |
void |
506 |
max_poll_reqs (int nreqs) |
507 |
PROTOTYPE: $ |
508 |
CODE: |
509 |
eio_set_max_poll_reqs (nreqs); |
510 |
|
511 |
void |
512 |
max_poll_time (double nseconds) |
513 |
PROTOTYPE: $ |
514 |
CODE: |
515 |
eio_set_max_poll_time (nseconds); |
516 |
|
517 |
void |
518 |
min_parallel (int nthreads) |
519 |
PROTOTYPE: $ |
520 |
CODE: |
521 |
eio_set_min_parallel (nthreads); |
522 |
|
523 |
void |
524 |
max_parallel (int nthreads) |
525 |
PROTOTYPE: $ |
526 |
CODE: |
527 |
eio_set_max_parallel (nthreads); |
528 |
|
529 |
void |
530 |
max_idle (int nthreads) |
531 |
PROTOTYPE: $ |
532 |
CODE: |
533 |
eio_set_max_idle (nthreads); |
534 |
|
535 |
void |
536 |
max_outstanding (int maxreqs) |
537 |
PROTOTYPE: $ |
538 |
CODE: |
539 |
max_outstanding = maxreqs; |
540 |
|
541 |
void |
542 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
543 |
PROTOTYPE: $$$;$ |
544 |
PPCODE: |
545 |
{ |
546 |
dREQ; |
547 |
|
548 |
req->type = EIO_OPEN; |
549 |
req->sv1 = newSVsv (pathname); |
550 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
551 |
req->int1 = flags; |
552 |
req->int2 = mode; |
553 |
|
554 |
REQ_SEND; |
555 |
} |
556 |
|
557 |
void |
558 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
559 |
PROTOTYPE: $;$ |
560 |
ALIAS: |
561 |
aio_fsync = EIO_FSYNC |
562 |
aio_fdatasync = EIO_FDATASYNC |
563 |
PPCODE: |
564 |
{ |
565 |
dREQ; |
566 |
|
567 |
req->type = ix; |
568 |
req->sv1 = newSVsv (fh); |
569 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
570 |
|
571 |
REQ_SEND (req); |
572 |
} |
573 |
|
574 |
void |
575 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
576 |
PROTOTYPE: $;$ |
577 |
PPCODE: |
578 |
{ |
579 |
static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
580 |
dREQ; |
581 |
|
582 |
if (close_pipe < 0) |
583 |
{ |
584 |
int pipefd [2]; |
585 |
|
586 |
if (pipe (pipefd) < 0 |
587 |
|| close (pipefd [1]) < 0 |
588 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
589 |
abort (); /*D*/ |
590 |
|
591 |
close_pipe = pipefd [0]; |
592 |
} |
593 |
|
594 |
req->type = EIO_DUP2; |
595 |
req->int1 = close_pipe; |
596 |
req->sv2 = newSVsv (fh); |
597 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
598 |
|
599 |
REQ_SEND (req); |
600 |
} |
601 |
|
602 |
void |
603 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
604 |
ALIAS: |
605 |
aio_read = EIO_READ |
606 |
aio_write = EIO_WRITE |
607 |
PROTOTYPE: $$$$$;$ |
608 |
PPCODE: |
609 |
{ |
610 |
STRLEN svlen; |
611 |
char *svptr = SvPVbyte (data, svlen); |
612 |
UV len = SvUV (length); |
613 |
|
614 |
SvUPGRADE (data, SVt_PV); |
615 |
SvPOK_on (data); |
616 |
|
617 |
if (dataoffset < 0) |
618 |
dataoffset += svlen; |
619 |
|
620 |
if (dataoffset < 0 || dataoffset > svlen) |
621 |
croak ("dataoffset outside of data scalar"); |
622 |
|
623 |
if (ix == EIO_WRITE) |
624 |
{ |
625 |
/* write: check length and adjust. */ |
626 |
if (!SvOK (length) || len + dataoffset > svlen) |
627 |
len = svlen - dataoffset; |
628 |
} |
629 |
else |
630 |
{ |
631 |
/* read: grow scalar as necessary */ |
632 |
svptr = SvGROW (data, len + dataoffset + 1); |
633 |
} |
634 |
|
635 |
if (len < 0) |
636 |
croak ("length must not be negative"); |
637 |
|
638 |
{ |
639 |
dREQ; |
640 |
|
641 |
req->type = ix; |
642 |
req->sv1 = newSVsv (fh); |
643 |
req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
644 |
: IoOFP (sv_2io (fh))); |
645 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
646 |
req->size = len; |
647 |
req->sv2 = SvREFCNT_inc (data); |
648 |
req->ptr2 = (char *)svptr + dataoffset; |
649 |
req->stroffset = dataoffset; |
650 |
|
651 |
if (!SvREADONLY (data)) |
652 |
{ |
653 |
SvREADONLY_on (data); |
654 |
req->flags |= FLAG_SV2_RO_OFF; |
655 |
} |
656 |
|
657 |
REQ_SEND; |
658 |
} |
659 |
} |
660 |
|
661 |
void |
662 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
663 |
PROTOTYPE: $$;$ |
664 |
PPCODE: |
665 |
{ |
666 |
SV *data; |
667 |
dREQ; |
668 |
|
669 |
data = newSV (NAME_MAX); |
670 |
SvPOK_on (data); |
671 |
|
672 |
req->type = EIO_READLINK; |
673 |
req->sv1 = newSVsv (path); |
674 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
675 |
req->sv2 = data; |
676 |
req->ptr2 = SvPVbyte_nolen (data); |
677 |
|
678 |
REQ_SEND; |
679 |
} |
680 |
|
681 |
void |
682 |
aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
683 |
PROTOTYPE: $$$$;$ |
684 |
PPCODE: |
685 |
{ |
686 |
dREQ; |
687 |
|
688 |
req->type = EIO_SENDFILE; |
689 |
req->sv1 = newSVsv (out_fh); |
690 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
691 |
req->sv2 = newSVsv (in_fh); |
692 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
693 |
req->offs = SvVAL64 (in_offset); |
694 |
req->size = length; |
695 |
|
696 |
REQ_SEND; |
697 |
} |
698 |
|
699 |
void |
700 |
aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
701 |
PROTOTYPE: $$$;$ |
702 |
PPCODE: |
703 |
{ |
704 |
dREQ; |
705 |
|
706 |
req->type = EIO_READAHEAD; |
707 |
req->sv1 = newSVsv (fh); |
708 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
709 |
req->offs = SvVAL64 (offset); |
710 |
req->size = length; |
711 |
|
712 |
REQ_SEND; |
713 |
} |
714 |
|
715 |
void |
716 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
717 |
ALIAS: |
718 |
aio_stat = EIO_STAT |
719 |
aio_lstat = EIO_LSTAT |
720 |
PPCODE: |
721 |
{ |
722 |
dREQ; |
723 |
|
724 |
req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); |
725 |
if (!req->ptr2) |
726 |
{ |
727 |
req_destroy (req); |
728 |
croak ("out of memory during aio_stat statdata allocation"); |
729 |
} |
730 |
|
731 |
req->flags |= EIO_FLAG_PTR2_FREE; |
732 |
req->sv1 = newSVsv (fh_or_path); |
733 |
|
734 |
if (SvPOK (fh_or_path)) |
735 |
{ |
736 |
req->type = ix; |
737 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
738 |
} |
739 |
else |
740 |
{ |
741 |
req->type = EIO_FSTAT; |
742 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
743 |
} |
744 |
|
745 |
REQ_SEND; |
746 |
} |
747 |
|
748 |
void |
749 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
750 |
PPCODE: |
751 |
{ |
752 |
dREQ; |
753 |
|
754 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
755 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
756 |
req->sv1 = newSVsv (fh_or_path); |
757 |
|
758 |
if (SvPOK (fh_or_path)) |
759 |
{ |
760 |
req->type = EIO_UTIME; |
761 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
762 |
} |
763 |
else |
764 |
{ |
765 |
req->type = EIO_FUTIME; |
766 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
767 |
} |
768 |
|
769 |
REQ_SEND; |
770 |
} |
771 |
|
772 |
void |
773 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
774 |
PPCODE: |
775 |
{ |
776 |
dREQ; |
777 |
|
778 |
req->sv1 = newSVsv (fh_or_path); |
779 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
780 |
|
781 |
if (SvPOK (fh_or_path)) |
782 |
{ |
783 |
req->type = EIO_TRUNCATE; |
784 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
785 |
} |
786 |
else |
787 |
{ |
788 |
req->type = EIO_FTRUNCATE; |
789 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
790 |
} |
791 |
|
792 |
REQ_SEND; |
793 |
} |
794 |
|
795 |
void |
796 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
797 |
ALIAS: |
798 |
aio_chmod = EIO_CHMOD |
799 |
aio_fchmod = EIO_FCHMOD |
800 |
aio_mkdir = EIO_MKDIR |
801 |
PPCODE: |
802 |
{ |
803 |
dREQ; |
804 |
|
805 |
req->type = ix; |
806 |
req->int2 = mode; |
807 |
req->sv1 = newSVsv (fh_or_path); |
808 |
|
809 |
if (ix == EIO_FCHMOD) |
810 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
811 |
else |
812 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
813 |
|
814 |
REQ_SEND; |
815 |
} |
816 |
|
817 |
void |
818 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
819 |
PPCODE: |
820 |
{ |
821 |
dREQ; |
822 |
|
823 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
824 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
825 |
req->sv1 = newSVsv (fh_or_path); |
826 |
|
827 |
if (SvPOK (fh_or_path)) |
828 |
{ |
829 |
req->type = EIO_CHOWN; |
830 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
831 |
} |
832 |
else |
833 |
{ |
834 |
req->type = EIO_FCHOWN; |
835 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
836 |
} |
837 |
|
838 |
REQ_SEND; |
839 |
} |
840 |
|
841 |
void |
842 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
843 |
ALIAS: |
844 |
aio_unlink = EIO_UNLINK |
845 |
aio_rmdir = EIO_RMDIR |
846 |
aio_readdir = EIO_READDIR |
847 |
PPCODE: |
848 |
{ |
849 |
dREQ; |
850 |
|
851 |
req->type = ix; |
852 |
req->sv1 = newSVsv (pathname); |
853 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
854 |
|
855 |
REQ_SEND; |
856 |
} |
857 |
|
858 |
void |
859 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
860 |
ALIAS: |
861 |
aio_link = EIO_LINK |
862 |
aio_symlink = EIO_SYMLINK |
863 |
aio_rename = EIO_RENAME |
864 |
PPCODE: |
865 |
{ |
866 |
dREQ; |
867 |
|
868 |
req->type = ix; |
869 |
req->sv1 = newSVsv (oldpath); |
870 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
871 |
req->sv2 = newSVsv (newpath); |
872 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
873 |
|
874 |
REQ_SEND; |
875 |
} |
876 |
|
877 |
void |
878 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
879 |
PPCODE: |
880 |
{ |
881 |
dREQ; |
882 |
|
883 |
req->type = EIO_MKNOD; |
884 |
req->sv1 = newSVsv (pathname); |
885 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
886 |
req->int2 = (mode_t)mode; |
887 |
req->offs = dev; |
888 |
|
889 |
REQ_SEND; |
890 |
} |
891 |
|
892 |
void |
893 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
894 |
PPCODE: |
895 |
{ |
896 |
dREQ; |
897 |
|
898 |
req->type = EIO_BUSY; |
899 |
req->nv1 = delay < 0. ? 0. : delay; |
900 |
|
901 |
REQ_SEND; |
902 |
} |
903 |
|
904 |
void |
905 |
aio_group (SV *callback=&PL_sv_undef) |
906 |
PROTOTYPE: ;$ |
907 |
PPCODE: |
908 |
{ |
909 |
dREQ; |
910 |
|
911 |
req->type = EIO_GROUP; |
912 |
|
913 |
eio_submit (req); |
914 |
XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
915 |
} |
916 |
|
917 |
void |
918 |
aio_nop (SV *callback=&PL_sv_undef) |
919 |
ALIAS: |
920 |
aio_nop = EIO_NOP |
921 |
aio_sync = EIO_SYNC |
922 |
PPCODE: |
923 |
{ |
924 |
dREQ; |
925 |
|
926 |
req->type = ix; |
927 |
|
928 |
REQ_SEND; |
929 |
} |
930 |
|
931 |
int |
932 |
aioreq_pri (int pri = 0) |
933 |
PROTOTYPE: ;$ |
934 |
CODE: |
935 |
RETVAL = next_pri - EIO_PRI_BIAS; |
936 |
if (items > 0) |
937 |
{ |
938 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
939 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
940 |
next_pri = pri + EIO_PRI_BIAS; |
941 |
} |
942 |
OUTPUT: |
943 |
RETVAL |
944 |
|
945 |
void |
946 |
aioreq_nice (int nice = 0) |
947 |
CODE: |
948 |
nice = next_pri - nice; |
949 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
950 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
951 |
next_pri = nice + EIO_PRI_BIAS; |
952 |
|
953 |
void |
954 |
flush () |
955 |
PROTOTYPE: |
956 |
CODE: |
957 |
while (eio_nreqs ()) |
958 |
{ |
959 |
poll_wait (); |
960 |
poll_cb (); |
961 |
} |
962 |
|
963 |
int |
964 |
poll() |
965 |
PROTOTYPE: |
966 |
CODE: |
967 |
poll_wait (); |
968 |
RETVAL = poll_cb (); |
969 |
OUTPUT: |
970 |
RETVAL |
971 |
|
972 |
int |
973 |
poll_fileno() |
974 |
PROTOTYPE: |
975 |
CODE: |
976 |
RETVAL = respipe [0]; |
977 |
OUTPUT: |
978 |
RETVAL |
979 |
|
980 |
int |
981 |
poll_cb(...) |
982 |
PROTOTYPE: |
983 |
CODE: |
984 |
RETVAL = poll_cb (); |
985 |
OUTPUT: |
986 |
RETVAL |
987 |
|
988 |
void |
989 |
poll_wait() |
990 |
PROTOTYPE: |
991 |
CODE: |
992 |
poll_wait (); |
993 |
|
994 |
int |
995 |
nreqs() |
996 |
PROTOTYPE: |
997 |
CODE: |
998 |
RETVAL = eio_nreqs (); |
999 |
OUTPUT: |
1000 |
RETVAL |
1001 |
|
1002 |
int |
1003 |
nready() |
1004 |
PROTOTYPE: |
1005 |
CODE: |
1006 |
RETVAL = eio_nready (); |
1007 |
OUTPUT: |
1008 |
RETVAL |
1009 |
|
1010 |
int |
1011 |
npending() |
1012 |
PROTOTYPE: |
1013 |
CODE: |
1014 |
RETVAL = eio_npending (); |
1015 |
OUTPUT: |
1016 |
RETVAL |
1017 |
|
1018 |
int |
1019 |
nthreads() |
1020 |
PROTOTYPE: |
1021 |
CODE: |
1022 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1023 |
RETVAL = started; |
1024 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1025 |
OUTPUT: |
1026 |
RETVAL |
1027 |
|
1028 |
void _on_next_submit (SV *cb) |
1029 |
CODE: |
1030 |
SvREFCNT_dec (on_next_submit); |
1031 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1032 |
|
1033 |
PROTOTYPES: DISABLE |
1034 |
|
1035 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1036 |
|
1037 |
void |
1038 |
cancel (aio_req_ornot req) |
1039 |
CODE: |
1040 |
eio_cancel (req); |
1041 |
|
1042 |
void |
1043 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1044 |
CODE: |
1045 |
SvREFCNT_dec (req->callback); |
1046 |
req->callback = newSVsv (callback); |
1047 |
|
1048 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1049 |
|
1050 |
void |
1051 |
add (aio_req grp, ...) |
1052 |
PPCODE: |
1053 |
{ |
1054 |
int i; |
1055 |
|
1056 |
if (grp->int1 == 2) |
1057 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1058 |
|
1059 |
for (i = 1; i < items; ++i ) |
1060 |
{ |
1061 |
aio_req req; |
1062 |
|
1063 |
if (GIMME_V != G_VOID) |
1064 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1065 |
|
1066 |
req = SvAIO_REQ (ST (i)); |
1067 |
|
1068 |
if (req) |
1069 |
eio_grp_add (grp, req); |
1070 |
} |
1071 |
} |
1072 |
|
1073 |
void |
1074 |
cancel_subs (aio_req_ornot req) |
1075 |
CODE: |
1076 |
req_cancel_subs (req); |
1077 |
|
1078 |
void |
1079 |
result (aio_req grp, ...) |
1080 |
CODE: |
1081 |
{ |
1082 |
int i; |
1083 |
AV *av; |
1084 |
|
1085 |
grp->errorno = errno; |
1086 |
|
1087 |
av = newAV (); |
1088 |
|
1089 |
for (i = 1; i < items; ++i ) |
1090 |
av_push (av, newSVsv (ST (i))); |
1091 |
|
1092 |
SvREFCNT_dec (grp->sv1); |
1093 |
grp->sv1 = (SV *)av; |
1094 |
} |
1095 |
|
1096 |
void |
1097 |
errno (aio_req grp, int errorno = errno) |
1098 |
CODE: |
1099 |
grp->errorno = errorno; |
1100 |
|
1101 |
void |
1102 |
limit (aio_req grp, int limit) |
1103 |
CODE: |
1104 |
eio_grp_limit (grp, limit); |
1105 |
|
1106 |
void |
1107 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1108 |
CODE: |
1109 |
{ |
1110 |
SvREFCNT_dec (grp->sv2); |
1111 |
grp->sv2 = newSVsv (callback); |
1112 |
|
1113 |
if (grp->int2 <= 0) |
1114 |
grp->int2 = 2; |
1115 |
|
1116 |
eio_grp_limit (grp, grp->int2); |
1117 |
} |
1118 |
|