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 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
286 |
break; |
287 |
|
288 |
case EIO_STAT: |
289 |
case EIO_LSTAT: |
290 |
case EIO_FSTAT: |
291 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
292 |
PL_laststatval = req->result; |
293 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
294 |
PUSHs (sv_2mortal (newSViv (req->result))); |
295 |
break; |
296 |
|
297 |
case EIO_READ: |
298 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
299 |
*SvEND (req->sv2) = 0; |
300 |
PUSHs (sv_2mortal (newSViv (req->result))); |
301 |
break; |
302 |
|
303 |
case EIO_DUP2: |
304 |
if (req->result > 0) |
305 |
req->result = 0; |
306 |
/* FALLTHROUGH */ |
307 |
|
308 |
default: |
309 |
PUSHs (sv_2mortal (newSViv (req->result))); |
310 |
break; |
311 |
} |
312 |
|
313 |
errno = req->errorno; |
314 |
|
315 |
PUTBACK; |
316 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
317 |
SPAGAIN; |
318 |
|
319 |
FREETMPS; |
320 |
LEAVE; |
321 |
|
322 |
PUTBACK; |
323 |
} |
324 |
|
325 |
return !!SvTRUE (ERRSV); |
326 |
} |
327 |
|
328 |
static void req_destroy (aio_req req) |
329 |
{ |
330 |
if (req->self) |
331 |
{ |
332 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
333 |
SvREFCNT_dec (req->self); |
334 |
} |
335 |
|
336 |
SvREFCNT_dec (req->sv1); |
337 |
SvREFCNT_dec (req->sv2); |
338 |
SvREFCNT_dec (req->callback); |
339 |
|
340 |
Safefree (req); |
341 |
} |
342 |
|
343 |
static void req_cancel_subs (aio_req grp) |
344 |
{ |
345 |
aio_req sub; |
346 |
|
347 |
if (grp->type != EIO_GROUP) |
348 |
return; |
349 |
|
350 |
SvREFCNT_dec (grp->sv2); |
351 |
grp->sv2 = 0; |
352 |
|
353 |
eio_grp_cancel (grp); |
354 |
} |
355 |
|
356 |
#ifdef USE_SOCKETS_AS_HANDLES |
357 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
358 |
#else |
359 |
# define TO_SOCKET(x) (x) |
360 |
#endif |
361 |
|
362 |
static void |
363 |
create_respipe (void) |
364 |
{ |
365 |
int old_readfd = respipe [0]; |
366 |
|
367 |
if (respipe [1] >= 0) |
368 |
respipe_close (TO_SOCKET (respipe [1])); |
369 |
|
370 |
#ifdef _WIN32 |
371 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
372 |
#else |
373 |
if (pipe (respipe)) |
374 |
#endif |
375 |
croak ("unable to initialize result pipe"); |
376 |
|
377 |
if (old_readfd >= 0) |
378 |
{ |
379 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
380 |
croak ("unable to initialize result pipe(2)"); |
381 |
|
382 |
respipe_close (respipe [0]); |
383 |
respipe [0] = old_readfd; |
384 |
} |
385 |
|
386 |
#ifdef _WIN32 |
387 |
int arg = 1; |
388 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
389 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
390 |
#else |
391 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
392 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
393 |
#endif |
394 |
croak ("unable to initialize result pipe(3)"); |
395 |
|
396 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
397 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
398 |
} |
399 |
|
400 |
static void poll_wait (void) |
401 |
{ |
402 |
fd_set rfd; |
403 |
|
404 |
while (eio_nreqs ()) |
405 |
{ |
406 |
int size; |
407 |
|
408 |
X_LOCK (reslock); |
409 |
size = res_queue.size; |
410 |
X_UNLOCK (reslock); |
411 |
|
412 |
if (size) |
413 |
return; |
414 |
|
415 |
maybe_start_thread (); |
416 |
|
417 |
FD_ZERO (&rfd); |
418 |
FD_SET (respipe [0], &rfd); |
419 |
|
420 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
421 |
} |
422 |
} |
423 |
|
424 |
static int poll_cb (void) |
425 |
{ |
426 |
int res; |
427 |
|
428 |
do |
429 |
{ |
430 |
res = eio_poll (); |
431 |
|
432 |
if (res > 0) |
433 |
croak (0); |
434 |
} |
435 |
while (max_outstanding && max_outstanding <= eio_nreqs ()); |
436 |
|
437 |
return res; |
438 |
} |
439 |
|
440 |
static void atfork_child (void) |
441 |
{ |
442 |
create_respipe (); |
443 |
} |
444 |
|
445 |
#define dREQ \ |
446 |
aio_req req; \ |
447 |
int req_pri = next_pri; \ |
448 |
next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \ |
449 |
\ |
450 |
if (SvOK (callback) && !SvROK (callback)) \ |
451 |
croak ("callback must be undef or of reference type"); \ |
452 |
\ |
453 |
Newz (0, req, 1, eio_req); \ |
454 |
if (!req) \ |
455 |
croak ("out of memory during eio_req allocation"); \ |
456 |
\ |
457 |
req->callback = newSVsv (callback); \ |
458 |
req->pri = req_pri |
459 |
|
460 |
#define REQ_SEND \ |
461 |
req_submit (req); \ |
462 |
\ |
463 |
if (GIMME_V != G_VOID) \ |
464 |
XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
465 |
|
466 |
MODULE = IO::AIO PACKAGE = IO::AIO |
467 |
|
468 |
PROTOTYPES: ENABLE |
469 |
|
470 |
BOOT: |
471 |
{ |
472 |
stash = gv_stashpv ("IO::AIO", 1); |
473 |
|
474 |
newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
475 |
newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
476 |
newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
477 |
newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
478 |
newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
479 |
#ifdef _WIN32 |
480 |
X_MUTEX_CHECK (wrklock); |
481 |
X_MUTEX_CHECK (reslock); |
482 |
X_MUTEX_CHECK (reqlock); |
483 |
X_MUTEX_CHECK (reqwait); |
484 |
X_MUTEX_CHECK (preadwritelock); |
485 |
X_MUTEX_CHECK (readdirlock); |
486 |
|
487 |
X_COND_CHECK (reqwait); |
488 |
#else |
489 |
newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
490 |
#endif |
491 |
|
492 |
create_respipe (); |
493 |
|
494 |
if (eio_init (want_poll, done_poll) < 0) |
495 |
croak ("IO::AIO: unable to initialise eio library"); |
496 |
|
497 |
/* atfork child called in fifo order, so before eio's handler */ |
498 |
X_THREAD_ATFORK (0, 0, atfork_child); |
499 |
} |
500 |
|
501 |
void |
502 |
max_poll_reqs (int nreqs) |
503 |
PROTOTYPE: $ |
504 |
CODE: |
505 |
eio_set_max_poll_reqs (nreqs); |
506 |
|
507 |
void |
508 |
max_poll_time (double nseconds) |
509 |
PROTOTYPE: $ |
510 |
CODE: |
511 |
eio_set_max_poll_time (nseconds); |
512 |
|
513 |
void |
514 |
min_parallel (int nthreads) |
515 |
PROTOTYPE: $ |
516 |
CODE: |
517 |
eio_set_min_parallel (nthreads); |
518 |
|
519 |
void |
520 |
max_parallel (int nthreads) |
521 |
PROTOTYPE: $ |
522 |
CODE: |
523 |
eio_set_max_parallel (nthreads); |
524 |
|
525 |
void |
526 |
max_idle (int nthreads) |
527 |
PROTOTYPE: $ |
528 |
CODE: |
529 |
eio_set_max_idle (nthreads); |
530 |
|
531 |
void |
532 |
max_outstanding (int maxreqs) |
533 |
PROTOTYPE: $ |
534 |
CODE: |
535 |
max_outstanding = maxreqs; |
536 |
|
537 |
void |
538 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
539 |
PROTOTYPE: $$$;$ |
540 |
PPCODE: |
541 |
{ |
542 |
dREQ; |
543 |
|
544 |
req->type = EIO_OPEN; |
545 |
req->sv1 = newSVsv (pathname); |
546 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
547 |
req->int1 = flags; |
548 |
req->int2 = mode; |
549 |
|
550 |
REQ_SEND; |
551 |
} |
552 |
|
553 |
void |
554 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
555 |
PROTOTYPE: $;$ |
556 |
ALIAS: |
557 |
aio_fsync = EIO_FSYNC |
558 |
aio_fdatasync = EIO_FDATASYNC |
559 |
PPCODE: |
560 |
{ |
561 |
dREQ; |
562 |
|
563 |
req->type = ix; |
564 |
req->sv1 = newSVsv (fh); |
565 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
566 |
|
567 |
REQ_SEND (req); |
568 |
} |
569 |
|
570 |
void |
571 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
572 |
PROTOTYPE: $;$ |
573 |
PPCODE: |
574 |
{ |
575 |
static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
576 |
dREQ; |
577 |
|
578 |
if (close_pipe < 0) |
579 |
{ |
580 |
int pipefd [2]; |
581 |
|
582 |
if (pipe (pipefd) < 0 |
583 |
|| close (pipefd [1]) < 0 |
584 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
585 |
abort (); /*D*/ |
586 |
|
587 |
close_pipe = pipefd [0]; |
588 |
} |
589 |
|
590 |
req->type = EIO_DUP2; |
591 |
req->int1 = close_pipe; |
592 |
req->sv2 = newSVsv (fh); |
593 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
594 |
|
595 |
REQ_SEND (req); |
596 |
} |
597 |
|
598 |
void |
599 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
600 |
ALIAS: |
601 |
aio_read = EIO_READ |
602 |
aio_write = EIO_WRITE |
603 |
PROTOTYPE: $$$$$;$ |
604 |
PPCODE: |
605 |
{ |
606 |
STRLEN svlen; |
607 |
char *svptr = SvPVbyte (data, svlen); |
608 |
UV len = SvUV (length); |
609 |
|
610 |
SvUPGRADE (data, SVt_PV); |
611 |
SvPOK_on (data); |
612 |
|
613 |
if (dataoffset < 0) |
614 |
dataoffset += svlen; |
615 |
|
616 |
if (dataoffset < 0 || dataoffset > svlen) |
617 |
croak ("dataoffset outside of data scalar"); |
618 |
|
619 |
if (ix == EIO_WRITE) |
620 |
{ |
621 |
/* write: check length and adjust. */ |
622 |
if (!SvOK (length) || len + dataoffset > svlen) |
623 |
len = svlen - dataoffset; |
624 |
} |
625 |
else |
626 |
{ |
627 |
/* read: grow scalar as necessary */ |
628 |
svptr = SvGROW (data, len + dataoffset + 1); |
629 |
} |
630 |
|
631 |
if (len < 0) |
632 |
croak ("length must not be negative"); |
633 |
|
634 |
{ |
635 |
dREQ; |
636 |
|
637 |
req->type = ix; |
638 |
req->sv1 = newSVsv (fh); |
639 |
req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
640 |
: IoOFP (sv_2io (fh))); |
641 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
642 |
req->size = len; |
643 |
req->sv2 = SvREFCNT_inc (data); |
644 |
req->ptr2 = (char *)svptr + dataoffset; |
645 |
req->stroffset = dataoffset; |
646 |
|
647 |
if (!SvREADONLY (data)) |
648 |
{ |
649 |
SvREADONLY_on (data); |
650 |
req->flags |= FLAG_SV2_RO_OFF; |
651 |
} |
652 |
|
653 |
REQ_SEND; |
654 |
} |
655 |
} |
656 |
|
657 |
void |
658 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
659 |
PROTOTYPE: $$;$ |
660 |
PPCODE: |
661 |
{ |
662 |
SV *data; |
663 |
dREQ; |
664 |
|
665 |
req->type = EIO_READLINK; |
666 |
req->sv1 = newSVsv (path); |
667 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
668 |
|
669 |
REQ_SEND; |
670 |
} |
671 |
|
672 |
void |
673 |
aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
674 |
PROTOTYPE: $$$$;$ |
675 |
PPCODE: |
676 |
{ |
677 |
dREQ; |
678 |
|
679 |
req->type = EIO_SENDFILE; |
680 |
req->sv1 = newSVsv (out_fh); |
681 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
682 |
req->sv2 = newSVsv (in_fh); |
683 |
req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
684 |
req->offs = SvVAL64 (in_offset); |
685 |
req->size = length; |
686 |
|
687 |
REQ_SEND; |
688 |
} |
689 |
|
690 |
void |
691 |
aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
692 |
PROTOTYPE: $$$;$ |
693 |
PPCODE: |
694 |
{ |
695 |
dREQ; |
696 |
|
697 |
req->type = EIO_READAHEAD; |
698 |
req->sv1 = newSVsv (fh); |
699 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
700 |
req->offs = SvVAL64 (offset); |
701 |
req->size = length; |
702 |
|
703 |
REQ_SEND; |
704 |
} |
705 |
|
706 |
void |
707 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
708 |
ALIAS: |
709 |
aio_stat = EIO_STAT |
710 |
aio_lstat = EIO_LSTAT |
711 |
PPCODE: |
712 |
{ |
713 |
dREQ; |
714 |
|
715 |
req->sv1 = newSVsv (fh_or_path); |
716 |
|
717 |
if (SvPOK (req->sv1)) |
718 |
{ |
719 |
req->type = ix; |
720 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
721 |
} |
722 |
else |
723 |
{ |
724 |
req->type = EIO_FSTAT; |
725 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
726 |
} |
727 |
|
728 |
REQ_SEND; |
729 |
} |
730 |
|
731 |
void |
732 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
733 |
PPCODE: |
734 |
{ |
735 |
dREQ; |
736 |
|
737 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
738 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
739 |
req->sv1 = newSVsv (fh_or_path); |
740 |
|
741 |
if (SvPOK (req->sv1)) |
742 |
{ |
743 |
req->type = EIO_UTIME; |
744 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
745 |
} |
746 |
else |
747 |
{ |
748 |
req->type = EIO_FUTIME; |
749 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
750 |
} |
751 |
|
752 |
REQ_SEND; |
753 |
} |
754 |
|
755 |
void |
756 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
757 |
PPCODE: |
758 |
{ |
759 |
dREQ; |
760 |
|
761 |
req->sv1 = newSVsv (fh_or_path); |
762 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
763 |
|
764 |
if (SvPOK (req->sv1)) |
765 |
{ |
766 |
req->type = EIO_TRUNCATE; |
767 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
768 |
} |
769 |
else |
770 |
{ |
771 |
req->type = EIO_FTRUNCATE; |
772 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
773 |
} |
774 |
|
775 |
REQ_SEND; |
776 |
} |
777 |
|
778 |
void |
779 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
780 |
ALIAS: |
781 |
aio_chmod = EIO_CHMOD |
782 |
aio_mkdir = EIO_MKDIR |
783 |
PPCODE: |
784 |
{ |
785 |
dREQ; |
786 |
|
787 |
req->int2 = mode; |
788 |
req->sv1 = newSVsv (fh_or_path); |
789 |
|
790 |
if (SvPOK (req->sv1)) |
791 |
{ |
792 |
req->type = EIO_FCHMOD; |
793 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
794 |
} |
795 |
else |
796 |
{ |
797 |
req->type = ix; |
798 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
799 |
} |
800 |
|
801 |
REQ_SEND; |
802 |
} |
803 |
|
804 |
void |
805 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
806 |
PPCODE: |
807 |
{ |
808 |
dREQ; |
809 |
|
810 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
811 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
812 |
req->sv1 = newSVsv (fh_or_path); |
813 |
|
814 |
if (SvPOK (req->sv1)) |
815 |
{ |
816 |
req->type = EIO_CHOWN; |
817 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
818 |
} |
819 |
else |
820 |
{ |
821 |
req->type = EIO_FCHOWN; |
822 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
823 |
} |
824 |
|
825 |
REQ_SEND; |
826 |
} |
827 |
|
828 |
void |
829 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
830 |
ALIAS: |
831 |
aio_unlink = EIO_UNLINK |
832 |
aio_rmdir = EIO_RMDIR |
833 |
aio_readdir = EIO_READDIR |
834 |
PPCODE: |
835 |
{ |
836 |
dREQ; |
837 |
|
838 |
req->type = ix; |
839 |
req->sv1 = newSVsv (pathname); |
840 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
841 |
|
842 |
REQ_SEND; |
843 |
} |
844 |
|
845 |
void |
846 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
847 |
ALIAS: |
848 |
aio_link = EIO_LINK |
849 |
aio_symlink = EIO_SYMLINK |
850 |
aio_rename = EIO_RENAME |
851 |
PPCODE: |
852 |
{ |
853 |
dREQ; |
854 |
|
855 |
req->type = ix; |
856 |
req->sv1 = newSVsv (oldpath); |
857 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
858 |
req->sv2 = newSVsv (newpath); |
859 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
860 |
|
861 |
REQ_SEND; |
862 |
} |
863 |
|
864 |
void |
865 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
866 |
PPCODE: |
867 |
{ |
868 |
dREQ; |
869 |
|
870 |
req->type = EIO_MKNOD; |
871 |
req->sv1 = newSVsv (pathname); |
872 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
873 |
req->int2 = (mode_t)mode; |
874 |
req->offs = dev; |
875 |
|
876 |
REQ_SEND; |
877 |
} |
878 |
|
879 |
void |
880 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
881 |
PPCODE: |
882 |
{ |
883 |
dREQ; |
884 |
|
885 |
req->type = EIO_BUSY; |
886 |
req->nv1 = delay < 0. ? 0. : delay; |
887 |
|
888 |
REQ_SEND; |
889 |
} |
890 |
|
891 |
void |
892 |
aio_group (SV *callback=&PL_sv_undef) |
893 |
PROTOTYPE: ;$ |
894 |
PPCODE: |
895 |
{ |
896 |
dREQ; |
897 |
|
898 |
req->type = EIO_GROUP; |
899 |
|
900 |
eio_submit (req); |
901 |
XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
902 |
} |
903 |
|
904 |
void |
905 |
aio_nop (SV *callback=&PL_sv_undef) |
906 |
ALIAS: |
907 |
aio_nop = EIO_NOP |
908 |
aio_sync = EIO_SYNC |
909 |
PPCODE: |
910 |
{ |
911 |
dREQ; |
912 |
|
913 |
req->type = ix; |
914 |
|
915 |
REQ_SEND; |
916 |
} |
917 |
|
918 |
int |
919 |
aioreq_pri (int pri = 0) |
920 |
PROTOTYPE: ;$ |
921 |
CODE: |
922 |
RETVAL = next_pri - EIO_PRI_BIAS; |
923 |
if (items > 0) |
924 |
{ |
925 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
926 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
927 |
next_pri = pri + EIO_PRI_BIAS; |
928 |
} |
929 |
OUTPUT: |
930 |
RETVAL |
931 |
|
932 |
void |
933 |
aioreq_nice (int nice = 0) |
934 |
CODE: |
935 |
nice = next_pri - nice; |
936 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
937 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
938 |
next_pri = nice + EIO_PRI_BIAS; |
939 |
|
940 |
void |
941 |
flush () |
942 |
PROTOTYPE: |
943 |
CODE: |
944 |
while (eio_nreqs ()) |
945 |
{ |
946 |
poll_wait (); |
947 |
poll_cb (); |
948 |
} |
949 |
|
950 |
int |
951 |
poll() |
952 |
PROTOTYPE: |
953 |
CODE: |
954 |
poll_wait (); |
955 |
RETVAL = poll_cb (); |
956 |
OUTPUT: |
957 |
RETVAL |
958 |
|
959 |
int |
960 |
poll_fileno() |
961 |
PROTOTYPE: |
962 |
CODE: |
963 |
RETVAL = respipe [0]; |
964 |
OUTPUT: |
965 |
RETVAL |
966 |
|
967 |
int |
968 |
poll_cb(...) |
969 |
PROTOTYPE: |
970 |
CODE: |
971 |
RETVAL = poll_cb (); |
972 |
OUTPUT: |
973 |
RETVAL |
974 |
|
975 |
void |
976 |
poll_wait() |
977 |
PROTOTYPE: |
978 |
CODE: |
979 |
poll_wait (); |
980 |
|
981 |
int |
982 |
nreqs() |
983 |
PROTOTYPE: |
984 |
CODE: |
985 |
RETVAL = eio_nreqs (); |
986 |
OUTPUT: |
987 |
RETVAL |
988 |
|
989 |
int |
990 |
nready() |
991 |
PROTOTYPE: |
992 |
CODE: |
993 |
RETVAL = eio_nready (); |
994 |
OUTPUT: |
995 |
RETVAL |
996 |
|
997 |
int |
998 |
npending() |
999 |
PROTOTYPE: |
1000 |
CODE: |
1001 |
RETVAL = eio_npending (); |
1002 |
OUTPUT: |
1003 |
RETVAL |
1004 |
|
1005 |
int |
1006 |
nthreads() |
1007 |
PROTOTYPE: |
1008 |
CODE: |
1009 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1010 |
RETVAL = started; |
1011 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1012 |
OUTPUT: |
1013 |
RETVAL |
1014 |
|
1015 |
void _on_next_submit (SV *cb) |
1016 |
CODE: |
1017 |
SvREFCNT_dec (on_next_submit); |
1018 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1019 |
|
1020 |
PROTOTYPES: DISABLE |
1021 |
|
1022 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1023 |
|
1024 |
void |
1025 |
cancel (aio_req_ornot req) |
1026 |
CODE: |
1027 |
eio_cancel (req); |
1028 |
|
1029 |
void |
1030 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1031 |
CODE: |
1032 |
SvREFCNT_dec (req->callback); |
1033 |
req->callback = newSVsv (callback); |
1034 |
|
1035 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1036 |
|
1037 |
void |
1038 |
add (aio_req grp, ...) |
1039 |
PPCODE: |
1040 |
{ |
1041 |
int i; |
1042 |
|
1043 |
if (grp->int1 == 2) |
1044 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1045 |
|
1046 |
for (i = 1; i < items; ++i ) |
1047 |
{ |
1048 |
aio_req req; |
1049 |
|
1050 |
if (GIMME_V != G_VOID) |
1051 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1052 |
|
1053 |
req = SvAIO_REQ (ST (i)); |
1054 |
|
1055 |
if (req) |
1056 |
eio_grp_add (grp, req); |
1057 |
} |
1058 |
} |
1059 |
|
1060 |
void |
1061 |
cancel_subs (aio_req_ornot req) |
1062 |
CODE: |
1063 |
req_cancel_subs (req); |
1064 |
|
1065 |
void |
1066 |
result (aio_req grp, ...) |
1067 |
CODE: |
1068 |
{ |
1069 |
int i; |
1070 |
AV *av; |
1071 |
|
1072 |
grp->errorno = errno; |
1073 |
|
1074 |
av = newAV (); |
1075 |
|
1076 |
for (i = 1; i < items; ++i ) |
1077 |
av_push (av, newSVsv (ST (i))); |
1078 |
|
1079 |
SvREFCNT_dec (grp->sv1); |
1080 |
grp->sv1 = (SV *)av; |
1081 |
} |
1082 |
|
1083 |
void |
1084 |
errno (aio_req grp, int errorno = errno) |
1085 |
CODE: |
1086 |
grp->errorno = errorno; |
1087 |
|
1088 |
void |
1089 |
limit (aio_req grp, int limit) |
1090 |
CODE: |
1091 |
eio_grp_limit (grp, limit); |
1092 |
|
1093 |
void |
1094 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1095 |
CODE: |
1096 |
{ |
1097 |
SvREFCNT_dec (grp->sv2); |
1098 |
grp->sv2 = newSVsv (callback); |
1099 |
|
1100 |
if (grp->int2 <= 0) |
1101 |
grp->int2 = 2; |
1102 |
|
1103 |
eio_grp_limit (grp, grp->int2); |
1104 |
} |
1105 |
|