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 |
/*****************************************************************************/ |
86 |
|
87 |
#if __GNUC__ >= 3 |
88 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
89 |
#else |
90 |
# define expect(expr,value) (expr) |
91 |
#endif |
92 |
|
93 |
#define expect_false(expr) expect ((expr) != 0, 0) |
94 |
#define expect_true(expr) expect ((expr) != 0, 1) |
95 |
|
96 |
/*****************************************************************************/ |
97 |
|
98 |
static HV *stash; |
99 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
100 |
|
101 |
#define AIO_REQ_KLASS "IO::AIO::REQ" |
102 |
#define AIO_GRP_KLASS "IO::AIO::GRP" |
103 |
|
104 |
#define EIO_REQ_MEMBERS \ |
105 |
SV *callback; \ |
106 |
SV *sv1, *sv2; \ |
107 |
STRLEN stroffset; \ |
108 |
SV *self; |
109 |
|
110 |
#define EIO_NO_WRAPPERS 1 |
111 |
|
112 |
#include "libeio/eio.h" |
113 |
|
114 |
static int req_invoke (eio_req *req); |
115 |
#define EIO_FINISH(req) req_invoke (req) |
116 |
static void req_destroy (eio_req *grp); |
117 |
#define EIO_DESTROY(req) req_destroy (req) |
118 |
|
119 |
enum { |
120 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
121 |
}; |
122 |
|
123 |
#include "libeio/eio.c" |
124 |
|
125 |
typedef eio_req *aio_req; |
126 |
typedef eio_req *aio_req_ornot; |
127 |
|
128 |
static SV *on_next_submit; |
129 |
static int next_pri = EIO_PRI_DEFAULT; |
130 |
static int max_outstanding; |
131 |
|
132 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
133 |
|
134 |
static void req_destroy (aio_req req); |
135 |
static void req_cancel (aio_req req); |
136 |
|
137 |
static void want_poll (void) |
138 |
{ |
139 |
/* write a dummy byte to the pipe so fh becomes ready */ |
140 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
141 |
} |
142 |
|
143 |
static void done_poll (void) |
144 |
{ |
145 |
/* read any signals sent by the worker threads */ |
146 |
char buf [4]; |
147 |
while (respipe_read (respipe [0], buf, 4) == 4) |
148 |
; |
149 |
} |
150 |
|
151 |
/* must be called at most once */ |
152 |
static SV *req_sv (aio_req req, const char *klass) |
153 |
{ |
154 |
if (!req->self) |
155 |
{ |
156 |
req->self = (SV *)newHV (); |
157 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
158 |
} |
159 |
|
160 |
return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
161 |
} |
162 |
|
163 |
static aio_req SvAIO_REQ (SV *sv) |
164 |
{ |
165 |
MAGIC *mg; |
166 |
|
167 |
if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
168 |
croak ("object of class " AIO_REQ_KLASS " expected"); |
169 |
|
170 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
171 |
|
172 |
return mg ? (aio_req)mg->mg_ptr : 0; |
173 |
} |
174 |
|
175 |
static void aio_grp_feed (aio_req grp) |
176 |
{ |
177 |
if (grp->sv2 && SvOK (grp->sv2)) |
178 |
{ |
179 |
dSP; |
180 |
|
181 |
ENTER; |
182 |
SAVETMPS; |
183 |
PUSHMARK (SP); |
184 |
XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
185 |
PUTBACK; |
186 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
187 |
SPAGAIN; |
188 |
FREETMPS; |
189 |
LEAVE; |
190 |
} |
191 |
} |
192 |
|
193 |
static void req_submit (eio_req *req) |
194 |
{ |
195 |
eio_submit (req); |
196 |
|
197 |
if (expect_false (on_next_submit)) |
198 |
{ |
199 |
dSP; |
200 |
SV *cb = sv_2mortal (on_next_submit); |
201 |
|
202 |
on_next_submit = 0; |
203 |
|
204 |
PUSHMARK (SP); |
205 |
PUTBACK; |
206 |
call_sv (cb, G_DISCARD | G_EVAL); |
207 |
} |
208 |
} |
209 |
|
210 |
static int req_invoke (eio_req *req) |
211 |
{ |
212 |
dSP; |
213 |
|
214 |
if (req->flags & FLAG_SV2_RO_OFF) |
215 |
SvREADONLY_off (req->sv2); |
216 |
|
217 |
if (!EIO_CANCELLED (req) && req->callback) |
218 |
{ |
219 |
ENTER; |
220 |
SAVETMPS; |
221 |
PUSHMARK (SP); |
222 |
EXTEND (SP, 1); |
223 |
|
224 |
switch (req->type) |
225 |
{ |
226 |
case EIO_READDIR: |
227 |
{ |
228 |
SV *rv = &PL_sv_undef; |
229 |
|
230 |
if (req->result >= 0) |
231 |
{ |
232 |
int i; |
233 |
char *buf = req->ptr2; |
234 |
AV *av = newAV (); |
235 |
|
236 |
av_extend (av, req->result - 1); |
237 |
|
238 |
for (i = 0; i < req->result; ++i) |
239 |
{ |
240 |
SV *sv = newSVpv (buf, 0); |
241 |
|
242 |
av_store (av, i, sv); |
243 |
buf += SvCUR (sv) + 1; |
244 |
} |
245 |
|
246 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
247 |
} |
248 |
|
249 |
PUSHs (rv); |
250 |
} |
251 |
break; |
252 |
|
253 |
case EIO_OPEN: |
254 |
{ |
255 |
/* convert fd to fh */ |
256 |
SV *fh = &PL_sv_undef; |
257 |
|
258 |
if (req->result >= 0) |
259 |
{ |
260 |
GV *gv = (GV *)sv_newmortal (); |
261 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
262 |
char sym [64]; |
263 |
int symlen; |
264 |
|
265 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); |
266 |
gv_init (gv, stash, sym, symlen, 0); |
267 |
|
268 |
symlen = snprintf ( |
269 |
sym, |
270 |
sizeof (sym), |
271 |
"%s&=%d", |
272 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
273 |
req->result |
274 |
); |
275 |
|
276 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
277 |
fh = (SV *)gv; |
278 |
} |
279 |
|
280 |
PUSHs (fh); |
281 |
} |
282 |
break; |
283 |
|
284 |
case EIO_GROUP: |
285 |
req->int1 = 2; /* mark group as finished */ |
286 |
|
287 |
if (req->sv1) |
288 |
{ |
289 |
int i; |
290 |
AV *av = (AV *)req->sv1; |
291 |
|
292 |
EXTEND (SP, AvFILL (av) + 1); |
293 |
for (i = 0; i <= AvFILL (av); ++i) |
294 |
PUSHs (*av_fetch (av, i, 0)); |
295 |
} |
296 |
break; |
297 |
|
298 |
case EIO_NOP: |
299 |
case EIO_BUSY: |
300 |
break; |
301 |
|
302 |
case EIO_READLINK: |
303 |
if (req->result > 0) |
304 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
305 |
break; |
306 |
|
307 |
case EIO_STAT: |
308 |
case EIO_LSTAT: |
309 |
case EIO_FSTAT: |
310 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
311 |
PL_laststatval = req->result; |
312 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
313 |
PUSHs (sv_2mortal (newSViv (req->result))); |
314 |
break; |
315 |
|
316 |
case EIO_READ: |
317 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
318 |
*SvEND (req->sv2) = 0; |
319 |
PUSHs (sv_2mortal (newSViv (req->result))); |
320 |
break; |
321 |
|
322 |
case EIO_DUP2: |
323 |
if (req->result > 0) |
324 |
req->result = 0; |
325 |
/* FALLTHROUGH */ |
326 |
|
327 |
default: |
328 |
PUSHs (sv_2mortal (newSViv (req->result))); |
329 |
break; |
330 |
} |
331 |
|
332 |
errno = req->errorno; |
333 |
|
334 |
PUTBACK; |
335 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
336 |
SPAGAIN; |
337 |
|
338 |
FREETMPS; |
339 |
LEAVE; |
340 |
|
341 |
PUTBACK; |
342 |
} |
343 |
|
344 |
return !!SvTRUE (ERRSV); |
345 |
} |
346 |
|
347 |
static void req_destroy (aio_req req) |
348 |
{ |
349 |
if (req->self) |
350 |
{ |
351 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
352 |
SvREFCNT_dec (req->self); |
353 |
} |
354 |
|
355 |
SvREFCNT_dec (req->sv1); |
356 |
SvREFCNT_dec (req->sv2); |
357 |
SvREFCNT_dec (req->callback); |
358 |
|
359 |
Safefree (req); |
360 |
} |
361 |
|
362 |
static void req_cancel_subs (aio_req grp) |
363 |
{ |
364 |
aio_req sub; |
365 |
|
366 |
if (grp->type != EIO_GROUP) |
367 |
return; |
368 |
|
369 |
SvREFCNT_dec (grp->sv2); |
370 |
grp->sv2 = 0; |
371 |
|
372 |
eio_grp_cancel (grp); |
373 |
} |
374 |
|
375 |
#ifdef USE_SOCKETS_AS_HANDLES |
376 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
377 |
#else |
378 |
# define TO_SOCKET(x) (x) |
379 |
#endif |
380 |
|
381 |
static void |
382 |
create_respipe (void) |
383 |
{ |
384 |
int old_readfd = respipe [0]; |
385 |
|
386 |
if (respipe [1] >= 0) |
387 |
respipe_close (TO_SOCKET (respipe [1])); |
388 |
|
389 |
#ifdef _WIN32 |
390 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
391 |
#else |
392 |
if (pipe (respipe)) |
393 |
#endif |
394 |
croak ("unable to initialize result pipe"); |
395 |
|
396 |
if (old_readfd >= 0) |
397 |
{ |
398 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
399 |
croak ("unable to initialize result pipe(2)"); |
400 |
|
401 |
respipe_close (respipe [0]); |
402 |
respipe [0] = old_readfd; |
403 |
} |
404 |
|
405 |
#ifdef _WIN32 |
406 |
int arg = 1; |
407 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
408 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
409 |
#else |
410 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
411 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
412 |
#endif |
413 |
croak ("unable to initialize result pipe(3)"); |
414 |
|
415 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
416 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
417 |
} |
418 |
|
419 |
static void poll_wait (void) |
420 |
{ |
421 |
fd_set rfd; |
422 |
|
423 |
while (eio_nreqs ()) |
424 |
{ |
425 |
int size; |
426 |
|
427 |
X_LOCK (reslock); |
428 |
size = res_queue.size; |
429 |
X_UNLOCK (reslock); |
430 |
|
431 |
if (size) |
432 |
return; |
433 |
|
434 |
etp_maybe_start_thread (); |
435 |
|
436 |
FD_ZERO (&rfd); |
437 |
FD_SET (respipe [0], &rfd); |
438 |
|
439 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
440 |
} |
441 |
} |
442 |
|
443 |
static int poll_cb (void) |
444 |
{ |
445 |
for (;;) |
446 |
{ |
447 |
int res = eio_poll (); |
448 |
|
449 |
if (res > 0) |
450 |
croak (0); |
451 |
|
452 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
453 |
return res; |
454 |
|
455 |
poll_wait (); |
456 |
} |
457 |
} |
458 |
|
459 |
static void atfork_child (void) |
460 |
{ |
461 |
create_respipe (); |
462 |
} |
463 |
|
464 |
static SV * |
465 |
get_cb (SV *cb_sv) |
466 |
{ |
467 |
HV *st; |
468 |
GV *gvp; |
469 |
CV *cv; |
470 |
|
471 |
if (!SvOK (cb_sv)) |
472 |
return 0; |
473 |
|
474 |
cv = sv_2cv (cb_sv, &st, &gvp, 0); |
475 |
|
476 |
if (!cv) |
477 |
croak ("IO::AIO callback must be undef or a CODE reference"); |
478 |
|
479 |
return (SV *)cv; |
480 |
} |
481 |
|
482 |
#define dREQ \ |
483 |
SV *cb_cv; \ |
484 |
aio_req req; \ |
485 |
int req_pri = next_pri; \ |
486 |
next_pri = EIO_PRI_DEFAULT; \ |
487 |
\ |
488 |
cb_cv = get_cb (callback); \ |
489 |
\ |
490 |
Newz (0, req, 1, eio_req); \ |
491 |
if (!req) \ |
492 |
croak ("out of memory during eio_req allocation"); \ |
493 |
\ |
494 |
req->callback = SvREFCNT_inc (cb_cv); \ |
495 |
req->pri = req_pri |
496 |
|
497 |
#define REQ_SEND \ |
498 |
PUTBACK; \ |
499 |
req_submit (req); \ |
500 |
SPAGAIN; \ |
501 |
\ |
502 |
if (GIMME_V != G_VOID) \ |
503 |
XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
504 |
|
505 |
MODULE = IO::AIO PACKAGE = IO::AIO |
506 |
|
507 |
PROTOTYPES: ENABLE |
508 |
|
509 |
BOOT: |
510 |
{ |
511 |
stash = gv_stashpv ("IO::AIO", 1); |
512 |
|
513 |
newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
514 |
newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
515 |
newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
516 |
newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
517 |
newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
518 |
#ifndef _WIN32 |
519 |
newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
520 |
#endif |
521 |
|
522 |
create_respipe (); |
523 |
|
524 |
if (eio_init (want_poll, done_poll) < 0) |
525 |
croak ("IO::AIO: unable to initialise eio library"); |
526 |
|
527 |
/* atfork child called in fifo order, so before eio's handler */ |
528 |
X_THREAD_ATFORK (0, 0, atfork_child); |
529 |
} |
530 |
|
531 |
void |
532 |
max_poll_reqs (int nreqs) |
533 |
PROTOTYPE: $ |
534 |
CODE: |
535 |
eio_set_max_poll_reqs (nreqs); |
536 |
|
537 |
void |
538 |
max_poll_time (double nseconds) |
539 |
PROTOTYPE: $ |
540 |
CODE: |
541 |
eio_set_max_poll_time (nseconds); |
542 |
|
543 |
void |
544 |
min_parallel (int nthreads) |
545 |
PROTOTYPE: $ |
546 |
CODE: |
547 |
eio_set_min_parallel (nthreads); |
548 |
|
549 |
void |
550 |
max_parallel (int nthreads) |
551 |
PROTOTYPE: $ |
552 |
CODE: |
553 |
eio_set_max_parallel (nthreads); |
554 |
|
555 |
void |
556 |
max_idle (int nthreads) |
557 |
PROTOTYPE: $ |
558 |
CODE: |
559 |
eio_set_max_idle (nthreads); |
560 |
|
561 |
void |
562 |
max_outstanding (int maxreqs) |
563 |
PROTOTYPE: $ |
564 |
CODE: |
565 |
max_outstanding = maxreqs; |
566 |
|
567 |
void |
568 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
569 |
PROTOTYPE: $$$;$ |
570 |
PPCODE: |
571 |
{ |
572 |
dREQ; |
573 |
|
574 |
req->type = EIO_OPEN; |
575 |
req->sv1 = newSVsv (pathname); |
576 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
577 |
req->int1 = flags; |
578 |
req->int2 = mode; |
579 |
|
580 |
REQ_SEND; |
581 |
} |
582 |
|
583 |
void |
584 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
585 |
PROTOTYPE: $;$ |
586 |
ALIAS: |
587 |
aio_fsync = EIO_FSYNC |
588 |
aio_fdatasync = EIO_FDATASYNC |
589 |
PPCODE: |
590 |
{ |
591 |
dREQ; |
592 |
|
593 |
req->type = ix; |
594 |
req->sv1 = newSVsv (fh); |
595 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
596 |
|
597 |
REQ_SEND (req); |
598 |
} |
599 |
|
600 |
void |
601 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
602 |
PROTOTYPE: $;$ |
603 |
PPCODE: |
604 |
{ |
605 |
static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
606 |
dREQ; |
607 |
|
608 |
if (close_pipe < 0) |
609 |
{ |
610 |
int pipefd [2]; |
611 |
|
612 |
if (pipe (pipefd) < 0 |
613 |
|| close (pipefd [1]) < 0 |
614 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
615 |
abort (); /*D*/ |
616 |
|
617 |
close_pipe = pipefd [0]; |
618 |
} |
619 |
|
620 |
req->type = EIO_DUP2; |
621 |
req->int1 = close_pipe; |
622 |
req->sv2 = newSVsv (fh); |
623 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
624 |
|
625 |
REQ_SEND (req); |
626 |
} |
627 |
|
628 |
void |
629 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
630 |
ALIAS: |
631 |
aio_read = EIO_READ |
632 |
aio_write = EIO_WRITE |
633 |
PROTOTYPE: $$$$$;$ |
634 |
PPCODE: |
635 |
{ |
636 |
STRLEN svlen; |
637 |
char *svptr = SvPVbyte (data, svlen); |
638 |
UV len = SvUV (length); |
639 |
|
640 |
SvUPGRADE (data, SVt_PV); |
641 |
SvPOK_on (data); |
642 |
|
643 |
if (dataoffset < 0) |
644 |
dataoffset += svlen; |
645 |
|
646 |
if (dataoffset < 0 || dataoffset > svlen) |
647 |
croak ("dataoffset outside of data scalar"); |
648 |
|
649 |
if (ix == EIO_WRITE) |
650 |
{ |
651 |
/* write: check length and adjust. */ |
652 |
if (!SvOK (length) || len + dataoffset > svlen) |
653 |
len = svlen - dataoffset; |
654 |
} |
655 |
else |
656 |
{ |
657 |
/* read: grow scalar as necessary */ |
658 |
svptr = SvGROW (data, len + dataoffset + 1); |
659 |
} |
660 |
|
661 |
if (len < 0) |
662 |
croak ("length must not be negative"); |
663 |
|
664 |
{ |
665 |
dREQ; |
666 |
|
667 |
req->type = ix; |
668 |
req->sv1 = newSVsv (fh); |
669 |
req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
670 |
: IoOFP (sv_2io (fh))); |
671 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
672 |
req->size = len; |
673 |
req->sv2 = SvREFCNT_inc (data); |
674 |
req->ptr2 = (char *)svptr + dataoffset; |
675 |
req->stroffset = dataoffset; |
676 |
|
677 |
if (!SvREADONLY (data)) |
678 |
{ |
679 |
SvREADONLY_on (data); |
680 |
req->flags |= FLAG_SV2_RO_OFF; |
681 |
} |
682 |
|
683 |
REQ_SEND; |
684 |
} |
685 |
} |
686 |
|
687 |
void |
688 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
689 |
PROTOTYPE: $$;$ |
690 |
PPCODE: |
691 |
{ |
692 |
SV *data; |
693 |
dREQ; |
694 |
|
695 |
req->type = EIO_READLINK; |
696 |
req->sv1 = newSVsv (path); |
697 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
698 |
|
699 |
REQ_SEND; |
700 |
} |
701 |
|
702 |
void |
703 |
aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
704 |
PROTOTYPE: $$$$;$ |
705 |
PPCODE: |
706 |
{ |
707 |
dREQ; |
708 |
|
709 |
req->type = EIO_SENDFILE; |
710 |
req->sv1 = newSVsv (out_fh); |
711 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
712 |
req->sv2 = newSVsv (in_fh); |
713 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
714 |
req->offs = SvVAL64 (in_offset); |
715 |
req->size = length; |
716 |
|
717 |
REQ_SEND; |
718 |
} |
719 |
|
720 |
void |
721 |
aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
722 |
PROTOTYPE: $$$;$ |
723 |
PPCODE: |
724 |
{ |
725 |
dREQ; |
726 |
|
727 |
req->type = EIO_READAHEAD; |
728 |
req->sv1 = newSVsv (fh); |
729 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
730 |
req->offs = SvVAL64 (offset); |
731 |
req->size = length; |
732 |
|
733 |
REQ_SEND; |
734 |
} |
735 |
|
736 |
void |
737 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
738 |
ALIAS: |
739 |
aio_stat = EIO_STAT |
740 |
aio_lstat = EIO_LSTAT |
741 |
PPCODE: |
742 |
{ |
743 |
dREQ; |
744 |
|
745 |
req->sv1 = newSVsv (fh_or_path); |
746 |
|
747 |
if (SvPOK (req->sv1)) |
748 |
{ |
749 |
req->type = ix; |
750 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
751 |
} |
752 |
else |
753 |
{ |
754 |
req->type = EIO_FSTAT; |
755 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
756 |
} |
757 |
|
758 |
REQ_SEND; |
759 |
} |
760 |
|
761 |
void |
762 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
763 |
PPCODE: |
764 |
{ |
765 |
dREQ; |
766 |
|
767 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
768 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
769 |
req->sv1 = newSVsv (fh_or_path); |
770 |
|
771 |
if (SvPOK (req->sv1)) |
772 |
{ |
773 |
req->type = EIO_UTIME; |
774 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
775 |
} |
776 |
else |
777 |
{ |
778 |
req->type = EIO_FUTIME; |
779 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
780 |
} |
781 |
|
782 |
REQ_SEND; |
783 |
} |
784 |
|
785 |
void |
786 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
787 |
PPCODE: |
788 |
{ |
789 |
dREQ; |
790 |
|
791 |
req->sv1 = newSVsv (fh_or_path); |
792 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
793 |
|
794 |
if (SvPOK (req->sv1)) |
795 |
{ |
796 |
req->type = EIO_TRUNCATE; |
797 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
798 |
} |
799 |
else |
800 |
{ |
801 |
req->type = EIO_FTRUNCATE; |
802 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
803 |
} |
804 |
|
805 |
REQ_SEND; |
806 |
} |
807 |
|
808 |
void |
809 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
810 |
ALIAS: |
811 |
aio_chmod = EIO_CHMOD |
812 |
aio_mkdir = EIO_MKDIR |
813 |
PPCODE: |
814 |
{ |
815 |
dREQ; |
816 |
|
817 |
req->int2 = mode; |
818 |
req->sv1 = newSVsv (fh_or_path); |
819 |
|
820 |
if (SvPOK (req->sv1)) |
821 |
{ |
822 |
req->type = ix; |
823 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
824 |
} |
825 |
else |
826 |
{ |
827 |
req->type = EIO_FCHMOD; |
828 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
829 |
} |
830 |
|
831 |
REQ_SEND; |
832 |
} |
833 |
|
834 |
void |
835 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
836 |
PPCODE: |
837 |
{ |
838 |
dREQ; |
839 |
|
840 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
841 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
842 |
req->sv1 = newSVsv (fh_or_path); |
843 |
|
844 |
if (SvPOK (req->sv1)) |
845 |
{ |
846 |
req->type = EIO_CHOWN; |
847 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
848 |
} |
849 |
else |
850 |
{ |
851 |
req->type = EIO_FCHOWN; |
852 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
853 |
} |
854 |
|
855 |
REQ_SEND; |
856 |
} |
857 |
|
858 |
void |
859 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
860 |
ALIAS: |
861 |
aio_unlink = EIO_UNLINK |
862 |
aio_rmdir = EIO_RMDIR |
863 |
aio_readdir = EIO_READDIR |
864 |
PPCODE: |
865 |
{ |
866 |
dREQ; |
867 |
|
868 |
req->type = ix; |
869 |
req->sv1 = newSVsv (pathname); |
870 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
871 |
|
872 |
REQ_SEND; |
873 |
} |
874 |
|
875 |
void |
876 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
877 |
ALIAS: |
878 |
aio_link = EIO_LINK |
879 |
aio_symlink = EIO_SYMLINK |
880 |
aio_rename = EIO_RENAME |
881 |
PPCODE: |
882 |
{ |
883 |
dREQ; |
884 |
|
885 |
req->type = ix; |
886 |
req->sv1 = newSVsv (oldpath); |
887 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
888 |
req->sv2 = newSVsv (newpath); |
889 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
890 |
|
891 |
REQ_SEND; |
892 |
} |
893 |
|
894 |
void |
895 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
896 |
PPCODE: |
897 |
{ |
898 |
dREQ; |
899 |
|
900 |
req->type = EIO_MKNOD; |
901 |
req->sv1 = newSVsv (pathname); |
902 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
903 |
req->int2 = (mode_t)mode; |
904 |
req->offs = dev; |
905 |
|
906 |
REQ_SEND; |
907 |
} |
908 |
|
909 |
void |
910 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
911 |
PPCODE: |
912 |
{ |
913 |
dREQ; |
914 |
|
915 |
req->type = EIO_BUSY; |
916 |
req->nv1 = delay < 0. ? 0. : delay; |
917 |
|
918 |
REQ_SEND; |
919 |
} |
920 |
|
921 |
void |
922 |
aio_group (SV *callback=&PL_sv_undef) |
923 |
PROTOTYPE: ;$ |
924 |
PPCODE: |
925 |
{ |
926 |
dREQ; |
927 |
|
928 |
req->type = EIO_GROUP; |
929 |
|
930 |
req_submit (req); |
931 |
XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
932 |
} |
933 |
|
934 |
void |
935 |
aio_nop (SV *callback=&PL_sv_undef) |
936 |
ALIAS: |
937 |
aio_nop = EIO_NOP |
938 |
aio_sync = EIO_SYNC |
939 |
PPCODE: |
940 |
{ |
941 |
dREQ; |
942 |
|
943 |
req->type = ix; |
944 |
|
945 |
REQ_SEND; |
946 |
} |
947 |
|
948 |
int |
949 |
aioreq_pri (int pri = 0) |
950 |
PROTOTYPE: ;$ |
951 |
CODE: |
952 |
RETVAL = next_pri; |
953 |
if (items > 0) |
954 |
{ |
955 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
956 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
957 |
next_pri = pri; |
958 |
} |
959 |
OUTPUT: |
960 |
RETVAL |
961 |
|
962 |
void |
963 |
aioreq_nice (int nice = 0) |
964 |
CODE: |
965 |
nice = next_pri - nice; |
966 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
967 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
968 |
next_pri = nice; |
969 |
|
970 |
void |
971 |
flush () |
972 |
PROTOTYPE: |
973 |
CODE: |
974 |
while (eio_nreqs ()) |
975 |
{ |
976 |
poll_wait (); |
977 |
poll_cb (); |
978 |
} |
979 |
|
980 |
int |
981 |
poll() |
982 |
PROTOTYPE: |
983 |
CODE: |
984 |
poll_wait (); |
985 |
RETVAL = poll_cb (); |
986 |
OUTPUT: |
987 |
RETVAL |
988 |
|
989 |
int |
990 |
poll_fileno() |
991 |
PROTOTYPE: |
992 |
CODE: |
993 |
RETVAL = respipe [0]; |
994 |
OUTPUT: |
995 |
RETVAL |
996 |
|
997 |
int |
998 |
poll_cb(...) |
999 |
PROTOTYPE: |
1000 |
CODE: |
1001 |
RETVAL = poll_cb (); |
1002 |
OUTPUT: |
1003 |
RETVAL |
1004 |
|
1005 |
void |
1006 |
poll_wait() |
1007 |
PROTOTYPE: |
1008 |
CODE: |
1009 |
poll_wait (); |
1010 |
|
1011 |
int |
1012 |
nreqs() |
1013 |
PROTOTYPE: |
1014 |
CODE: |
1015 |
RETVAL = eio_nreqs (); |
1016 |
OUTPUT: |
1017 |
RETVAL |
1018 |
|
1019 |
int |
1020 |
nready() |
1021 |
PROTOTYPE: |
1022 |
CODE: |
1023 |
RETVAL = eio_nready (); |
1024 |
OUTPUT: |
1025 |
RETVAL |
1026 |
|
1027 |
int |
1028 |
npending() |
1029 |
PROTOTYPE: |
1030 |
CODE: |
1031 |
RETVAL = eio_npending (); |
1032 |
OUTPUT: |
1033 |
RETVAL |
1034 |
|
1035 |
int |
1036 |
nthreads() |
1037 |
PROTOTYPE: |
1038 |
CODE: |
1039 |
RETVAL = eio_nthreads (); |
1040 |
OUTPUT: |
1041 |
RETVAL |
1042 |
|
1043 |
void _on_next_submit (SV *cb) |
1044 |
CODE: |
1045 |
SvREFCNT_dec (on_next_submit); |
1046 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1047 |
|
1048 |
PROTOTYPES: DISABLE |
1049 |
|
1050 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1051 |
|
1052 |
void |
1053 |
cancel (aio_req_ornot req) |
1054 |
CODE: |
1055 |
eio_cancel (req); |
1056 |
|
1057 |
void |
1058 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1059 |
PPCODE: |
1060 |
{ |
1061 |
if (GIMME_V != G_VOID) |
1062 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1063 |
|
1064 |
if (items > 1) |
1065 |
{ |
1066 |
SV *cb_cv = get_cb (callback); |
1067 |
|
1068 |
SvREFCNT_dec (req->callback); |
1069 |
req->callback = SvREFCNT_inc (cb_cv); |
1070 |
} |
1071 |
} |
1072 |
|
1073 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1074 |
|
1075 |
void |
1076 |
add (aio_req grp, ...) |
1077 |
PPCODE: |
1078 |
{ |
1079 |
int i; |
1080 |
|
1081 |
if (grp->int1 == 2) |
1082 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1083 |
|
1084 |
for (i = 1; i < items; ++i ) |
1085 |
{ |
1086 |
aio_req req; |
1087 |
|
1088 |
if (GIMME_V != G_VOID) |
1089 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1090 |
|
1091 |
req = SvAIO_REQ (ST (i)); |
1092 |
|
1093 |
if (req) |
1094 |
eio_grp_add (grp, req); |
1095 |
} |
1096 |
} |
1097 |
|
1098 |
void |
1099 |
cancel_subs (aio_req_ornot req) |
1100 |
CODE: |
1101 |
req_cancel_subs (req); |
1102 |
|
1103 |
void |
1104 |
result (aio_req grp, ...) |
1105 |
CODE: |
1106 |
{ |
1107 |
int i; |
1108 |
AV *av; |
1109 |
|
1110 |
grp->errorno = errno; |
1111 |
|
1112 |
av = newAV (); |
1113 |
|
1114 |
for (i = 1; i < items; ++i ) |
1115 |
av_push (av, newSVsv (ST (i))); |
1116 |
|
1117 |
SvREFCNT_dec (grp->sv1); |
1118 |
grp->sv1 = (SV *)av; |
1119 |
} |
1120 |
|
1121 |
void |
1122 |
errno (aio_req grp, int errorno = errno) |
1123 |
CODE: |
1124 |
grp->errorno = errorno; |
1125 |
|
1126 |
void |
1127 |
limit (aio_req grp, int limit) |
1128 |
CODE: |
1129 |
eio_grp_limit (grp, limit); |
1130 |
|
1131 |
void |
1132 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1133 |
CODE: |
1134 |
{ |
1135 |
SvREFCNT_dec (grp->sv2); |
1136 |
grp->sv2 = newSVsv (callback); |
1137 |
grp->feed = aio_grp_feed; |
1138 |
|
1139 |
if (grp->int2 <= 0) |
1140 |
grp->int2 = 2; |
1141 |
|
1142 |
eio_grp_limit (grp, grp->int2); |
1143 |
} |
1144 |
|