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