1 |
#include "libeio/xthread.h" |
2 |
|
3 |
#include <errno.h> |
4 |
|
5 |
#include "EXTERN.h" |
6 |
#include "perl.h" |
7 |
#include "XSUB.h" |
8 |
|
9 |
#include "schmorp.h" |
10 |
|
11 |
#include <stddef.h> |
12 |
#include <stdlib.h> |
13 |
#include <errno.h> |
14 |
#include <sys/types.h> |
15 |
#include <sys/stat.h> |
16 |
#include <limits.h> |
17 |
#include <fcntl.h> |
18 |
#include <sched.h> |
19 |
|
20 |
/* perl namespace pollution */ |
21 |
#undef VERSION |
22 |
|
23 |
#ifdef _WIN32 |
24 |
|
25 |
# define EIO_STRUCT_DIRENT Direntry_t |
26 |
# undef malloc |
27 |
# undef free |
28 |
|
29 |
// perl overrides all those nice win32 functions |
30 |
# undef open |
31 |
# undef read |
32 |
# undef write |
33 |
# undef send |
34 |
# undef recv |
35 |
# undef stat |
36 |
# undef fstat |
37 |
# define lstat stat |
38 |
# undef truncate |
39 |
# undef ftruncate |
40 |
# undef open |
41 |
# undef close |
42 |
# undef unlink |
43 |
# undef rmdir |
44 |
# undef rename |
45 |
# undef lseek |
46 |
|
47 |
# define chown(a,b,c) (errno = ENOSYS, -1) |
48 |
# define fchown(a,b,c) (errno = ENOSYS, -1) |
49 |
# define fchmod(a,b) (errno = ENOSYS, -1) |
50 |
# define symlink(a,b) (errno = ENOSYS, -1) |
51 |
# define readlink(a,b,c) (errno = ENOSYS, -1) |
52 |
# define mknod(a,b,c) (errno = ENOSYS, -1) |
53 |
# define truncate(a,b) (errno = ENOSYS, -1) |
54 |
# define ftruncate(fd,o) chsize ((fd), (o)) |
55 |
# define fsync(fd) _commit (fd) |
56 |
# define opendir(fd) (errno = ENOSYS, 0) |
57 |
# define readdir(fd) (errno = ENOSYS, -1) |
58 |
# define closedir(fd) (errno = ENOSYS, -1) |
59 |
# define mkdir(a,b) mkdir (a) |
60 |
|
61 |
#else |
62 |
|
63 |
# include <sys/time.h> |
64 |
# include <sys/select.h> |
65 |
# include <unistd.h> |
66 |
# include <utime.h> |
67 |
# include <signal.h> |
68 |
# define EIO_STRUCT_DIRENT struct dirent |
69 |
|
70 |
#endif |
71 |
|
72 |
/* perl stupidly overrides readdir and maybe others */ |
73 |
/* with thread-unsafe versions, imagine that :( */ |
74 |
#undef readdir |
75 |
#undef opendir |
76 |
#undef closedir |
77 |
|
78 |
#define EIO_STRUCT_STAT Stat_t |
79 |
|
80 |
/* use NV for 32 bit perls as it allows larger offsets */ |
81 |
#if IVSIZE >= 8 |
82 |
# define VAL64 IV |
83 |
# define SvVAL64 SvIV |
84 |
# define newSVval64 newSViv |
85 |
#else |
86 |
# define VAL64 NV |
87 |
# define SvVAL64 SvNV |
88 |
# define newSVval64 newSVnv |
89 |
#endif |
90 |
|
91 |
/*****************************************************************************/ |
92 |
|
93 |
#if __GNUC__ >= 3 |
94 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
95 |
#else |
96 |
# define expect(expr,value) (expr) |
97 |
#endif |
98 |
|
99 |
#define expect_false(expr) expect ((expr) != 0, 0) |
100 |
#define expect_true(expr) expect ((expr) != 0, 1) |
101 |
|
102 |
/*****************************************************************************/ |
103 |
|
104 |
static HV *stash; |
105 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
106 |
typedef int aio_rfd; /* read file desriptor */ |
107 |
typedef int aio_wfd; /* write file descriptor */ |
108 |
|
109 |
#define AIO_REQ_KLASS "IO::AIO::REQ" |
110 |
#define AIO_GRP_KLASS "IO::AIO::GRP" |
111 |
|
112 |
#define EIO_REQ_MEMBERS \ |
113 |
SV *callback; \ |
114 |
SV *sv1, *sv2; \ |
115 |
STRLEN stroffset; \ |
116 |
SV *self; |
117 |
|
118 |
#define EIO_NO_WRAPPERS 1 |
119 |
|
120 |
#include "libeio/eio.h" |
121 |
|
122 |
#ifndef POSIX_FADV_NORMAL |
123 |
# define POSIX_FADV_NORMAL 0 |
124 |
# define NO_FADVISE 1 |
125 |
#endif |
126 |
|
127 |
#ifndef POSIX_FADV_SEQUENTIAL |
128 |
# define POSIX_FADV_SEQUENTIAL 0 |
129 |
#endif |
130 |
|
131 |
#ifndef POSIX_FADV_RANDOM |
132 |
# define POSIX_FADV_RANDOM 0 |
133 |
#endif |
134 |
|
135 |
#ifndef POSIX_FADV_NOREUSE |
136 |
# define POSIX_FADV_NOREUSE 0 |
137 |
#endif |
138 |
|
139 |
#ifndef POSIX_FADV_WILLNEED |
140 |
# define POSIX_FADV_WILLNEED 0 |
141 |
#endif |
142 |
|
143 |
#ifndef POSIX_FADV_DONTNEED |
144 |
# define POSIX_FADV_DONTNEED 0 |
145 |
#endif |
146 |
|
147 |
static int req_invoke (eio_req *req); |
148 |
#define EIO_FINISH(req) req_invoke (req) |
149 |
static void req_destroy (eio_req *grp); |
150 |
#define EIO_DESTROY(req) req_destroy (req) |
151 |
|
152 |
enum { |
153 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
154 |
}; |
155 |
|
156 |
#include "libeio/eio.c" |
157 |
|
158 |
typedef eio_req *aio_req; |
159 |
typedef eio_req *aio_req_ornot; |
160 |
|
161 |
static SV *on_next_submit; |
162 |
static int next_pri = EIO_PRI_DEFAULT; |
163 |
static int max_outstanding; |
164 |
|
165 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
166 |
|
167 |
static void req_destroy (aio_req req); |
168 |
static void req_cancel (aio_req req); |
169 |
|
170 |
static void want_poll (void) |
171 |
{ |
172 |
/* write a dummy byte to the pipe so fh becomes ready */ |
173 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
174 |
} |
175 |
|
176 |
static void done_poll (void) |
177 |
{ |
178 |
/* read any signals sent by the worker threads */ |
179 |
char buf [4]; |
180 |
while (respipe_read (respipe [0], buf, 4) == 4) |
181 |
; |
182 |
} |
183 |
|
184 |
/* must be called at most once */ |
185 |
static SV *req_sv (aio_req req, const char *klass) |
186 |
{ |
187 |
if (!req->self) |
188 |
{ |
189 |
req->self = (SV *)newHV (); |
190 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
191 |
} |
192 |
|
193 |
return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); |
194 |
} |
195 |
|
196 |
static aio_req SvAIO_REQ (SV *sv) |
197 |
{ |
198 |
MAGIC *mg; |
199 |
|
200 |
if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) |
201 |
croak ("object of class " AIO_REQ_KLASS " expected"); |
202 |
|
203 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
204 |
|
205 |
return mg ? (aio_req)mg->mg_ptr : 0; |
206 |
} |
207 |
|
208 |
static void aio_grp_feed (aio_req grp) |
209 |
{ |
210 |
if (grp->sv2 && SvOK (grp->sv2)) |
211 |
{ |
212 |
dSP; |
213 |
|
214 |
ENTER; |
215 |
SAVETMPS; |
216 |
PUSHMARK (SP); |
217 |
XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
218 |
PUTBACK; |
219 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
220 |
SPAGAIN; |
221 |
FREETMPS; |
222 |
LEAVE; |
223 |
} |
224 |
} |
225 |
|
226 |
static void req_submit (eio_req *req) |
227 |
{ |
228 |
eio_submit (req); |
229 |
|
230 |
if (expect_false (on_next_submit)) |
231 |
{ |
232 |
dSP; |
233 |
SV *cb = sv_2mortal (on_next_submit); |
234 |
|
235 |
on_next_submit = 0; |
236 |
|
237 |
PUSHMARK (SP); |
238 |
PUTBACK; |
239 |
call_sv (cb, G_DISCARD | G_EVAL); |
240 |
} |
241 |
} |
242 |
|
243 |
static int req_invoke (eio_req *req) |
244 |
{ |
245 |
dSP; |
246 |
|
247 |
if (req->flags & FLAG_SV2_RO_OFF) |
248 |
SvREADONLY_off (req->sv2); |
249 |
|
250 |
if (!EIO_CANCELLED (req) && req->callback) |
251 |
{ |
252 |
ENTER; |
253 |
SAVETMPS; |
254 |
PUSHMARK (SP); |
255 |
EXTEND (SP, 1); |
256 |
|
257 |
switch (req->type) |
258 |
{ |
259 |
case EIO_READDIR: |
260 |
{ |
261 |
SV *rv = &PL_sv_undef; |
262 |
|
263 |
if (req->result >= 0) |
264 |
{ |
265 |
int i; |
266 |
char *names = (char *)req->ptr2; |
267 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
268 |
AV *av = newAV (); |
269 |
|
270 |
av_extend (av, req->result - 1); |
271 |
|
272 |
for (i = 0; i < req->result; ++i) |
273 |
{ |
274 |
if (req->int1 & EIO_READDIR_DENTS) |
275 |
{ |
276 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
277 |
|
278 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
279 |
{ |
280 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
281 |
AV *avent = newAV (); |
282 |
|
283 |
av_extend (avent, 2); |
284 |
|
285 |
if (!sv_type [ent->type]) |
286 |
{ |
287 |
sv_type [ent->type] = newSViv (ent->type); |
288 |
SvREADONLY_on (sv_type [ent->type]); |
289 |
} |
290 |
|
291 |
av_store (avent, 0, namesv); |
292 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
293 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
294 |
|
295 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
296 |
} |
297 |
else |
298 |
av_store (av, i, namesv); |
299 |
|
300 |
++ent; |
301 |
} |
302 |
else |
303 |
{ |
304 |
SV *name = newSVpv (names, 0); |
305 |
av_store (av, i, name); |
306 |
names += SvCUR (name) + 1; |
307 |
} |
308 |
} |
309 |
|
310 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
311 |
} |
312 |
|
313 |
PUSHs (rv); |
314 |
|
315 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
316 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
317 |
} |
318 |
break; |
319 |
|
320 |
case EIO_OPEN: |
321 |
{ |
322 |
/* convert fd to fh */ |
323 |
SV *fh = &PL_sv_undef; |
324 |
|
325 |
if (req->result >= 0) |
326 |
{ |
327 |
GV *gv = (GV *)sv_newmortal (); |
328 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
329 |
char sym [64]; |
330 |
int symlen; |
331 |
|
332 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
333 |
gv_init (gv, stash, sym, symlen, 0); |
334 |
|
335 |
symlen = snprintf ( |
336 |
sym, |
337 |
sizeof (sym), |
338 |
"%s&=%d", |
339 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
340 |
(int)req->result |
341 |
); |
342 |
|
343 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
344 |
fh = (SV *)gv; |
345 |
} |
346 |
|
347 |
PUSHs (fh); |
348 |
} |
349 |
break; |
350 |
|
351 |
case EIO_GROUP: |
352 |
req->int1 = 2; /* mark group as finished */ |
353 |
|
354 |
if (req->sv1) |
355 |
{ |
356 |
int i; |
357 |
AV *av = (AV *)req->sv1; |
358 |
|
359 |
EXTEND (SP, AvFILL (av) + 1); |
360 |
for (i = 0; i <= AvFILL (av); ++i) |
361 |
PUSHs (*av_fetch (av, i, 0)); |
362 |
} |
363 |
break; |
364 |
|
365 |
case EIO_NOP: |
366 |
case EIO_BUSY: |
367 |
break; |
368 |
|
369 |
case EIO_READLINK: |
370 |
if (req->result > 0) |
371 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
372 |
break; |
373 |
|
374 |
case EIO_STAT: |
375 |
case EIO_LSTAT: |
376 |
case EIO_FSTAT: |
377 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
378 |
PL_laststatval = req->result; |
379 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
380 |
PUSHs (sv_2mortal (newSViv (req->result))); |
381 |
break; |
382 |
|
383 |
case EIO_READ: |
384 |
{ |
385 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
386 |
*SvEND (req->sv2) = 0; |
387 |
SvPOK_only (req->sv2); |
388 |
SvSETMAGIC (req->sv2); |
389 |
PUSHs (sv_2mortal (newSViv (req->result))); |
390 |
} |
391 |
break; |
392 |
|
393 |
case EIO_DUP2: |
394 |
if (req->result > 0) |
395 |
req->result = 0; |
396 |
/* FALLTHROUGH */ |
397 |
|
398 |
default: |
399 |
PUSHs (sv_2mortal (newSViv (req->result))); |
400 |
break; |
401 |
} |
402 |
|
403 |
errno = req->errorno; |
404 |
|
405 |
PUTBACK; |
406 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
407 |
SPAGAIN; |
408 |
|
409 |
FREETMPS; |
410 |
LEAVE; |
411 |
|
412 |
PUTBACK; |
413 |
} |
414 |
|
415 |
return !!SvTRUE (ERRSV); |
416 |
} |
417 |
|
418 |
static void req_destroy (aio_req req) |
419 |
{ |
420 |
if (req->self) |
421 |
{ |
422 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
423 |
SvREFCNT_dec (req->self); |
424 |
} |
425 |
|
426 |
SvREFCNT_dec (req->sv1); |
427 |
SvREFCNT_dec (req->sv2); |
428 |
SvREFCNT_dec (req->callback); |
429 |
|
430 |
Safefree (req); |
431 |
} |
432 |
|
433 |
static void req_cancel_subs (aio_req grp) |
434 |
{ |
435 |
aio_req sub; |
436 |
|
437 |
if (grp->type != EIO_GROUP) |
438 |
return; |
439 |
|
440 |
SvREFCNT_dec (grp->sv2); |
441 |
grp->sv2 = 0; |
442 |
|
443 |
eio_grp_cancel (grp); |
444 |
} |
445 |
|
446 |
#ifdef USE_SOCKETS_AS_HANDLES |
447 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
448 |
#else |
449 |
# define TO_SOCKET(x) (x) |
450 |
#endif |
451 |
|
452 |
static void |
453 |
create_respipe (void) |
454 |
{ |
455 |
int old_readfd = respipe [0]; |
456 |
|
457 |
if (respipe [1] >= 0) |
458 |
respipe_close (TO_SOCKET (respipe [1])); |
459 |
|
460 |
#ifdef _WIN32 |
461 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
462 |
#else |
463 |
if (pipe (respipe)) |
464 |
#endif |
465 |
croak ("unable to initialize result pipe"); |
466 |
|
467 |
if (old_readfd >= 0) |
468 |
{ |
469 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
470 |
croak ("unable to initialize result pipe(2)"); |
471 |
|
472 |
respipe_close (respipe [0]); |
473 |
respipe [0] = old_readfd; |
474 |
} |
475 |
|
476 |
#ifdef _WIN32 |
477 |
int arg = 1; |
478 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
479 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
480 |
#else |
481 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
482 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
483 |
#endif |
484 |
croak ("unable to initialize result pipe(3)"); |
485 |
|
486 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
487 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
488 |
} |
489 |
|
490 |
static void poll_wait (void) |
491 |
{ |
492 |
fd_set rfd; |
493 |
|
494 |
while (eio_nreqs ()) |
495 |
{ |
496 |
int size; |
497 |
|
498 |
X_LOCK (reslock); |
499 |
size = res_queue.size; |
500 |
X_UNLOCK (reslock); |
501 |
|
502 |
if (size) |
503 |
return; |
504 |
|
505 |
etp_maybe_start_thread (); |
506 |
|
507 |
FD_ZERO (&rfd); |
508 |
FD_SET (respipe [0], &rfd); |
509 |
|
510 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
511 |
} |
512 |
} |
513 |
|
514 |
static int poll_cb (void) |
515 |
{ |
516 |
for (;;) |
517 |
{ |
518 |
int res = eio_poll (); |
519 |
|
520 |
if (res > 0) |
521 |
croak (0); |
522 |
|
523 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
524 |
return res; |
525 |
|
526 |
poll_wait (); |
527 |
} |
528 |
} |
529 |
|
530 |
static void atfork_child (void) |
531 |
{ |
532 |
create_respipe (); |
533 |
} |
534 |
|
535 |
static SV * |
536 |
get_cb (SV *cb_sv) |
537 |
{ |
538 |
HV *st; |
539 |
GV *gvp; |
540 |
CV *cv; |
541 |
|
542 |
if (!SvOK (cb_sv)) |
543 |
return 0; |
544 |
|
545 |
cv = sv_2cv (cb_sv, &st, &gvp, 0); |
546 |
|
547 |
if (!cv) |
548 |
croak ("IO::AIO callback must be undef or a CODE reference"); |
549 |
|
550 |
return (SV *)cv; |
551 |
} |
552 |
|
553 |
#define dREQ \ |
554 |
SV *cb_cv; \ |
555 |
aio_req req; \ |
556 |
int req_pri = next_pri; \ |
557 |
next_pri = EIO_PRI_DEFAULT; \ |
558 |
\ |
559 |
cb_cv = get_cb (callback); \ |
560 |
\ |
561 |
Newz (0, req, 1, eio_req); \ |
562 |
if (!req) \ |
563 |
croak ("out of memory during eio_req allocation"); \ |
564 |
\ |
565 |
req->callback = SvREFCNT_inc (cb_cv); \ |
566 |
req->pri = req_pri |
567 |
|
568 |
#define REQ_SEND \ |
569 |
PUTBACK; \ |
570 |
req_submit (req); \ |
571 |
SPAGAIN; \ |
572 |
\ |
573 |
if (GIMME_V != G_VOID) \ |
574 |
XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
575 |
|
576 |
MODULE = IO::AIO PACKAGE = IO::AIO |
577 |
|
578 |
PROTOTYPES: ENABLE |
579 |
|
580 |
BOOT: |
581 |
{ |
582 |
static const struct { |
583 |
const char *name; |
584 |
IV iv; |
585 |
} *civ, const_iv[] = { |
586 |
# define const_iv(name, value) { # name, (IV) value }, |
587 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
588 |
const_iv (EXDEV , EXDEV) |
589 |
const_iv (ENOSYS , ENOSYS) |
590 |
const_iv (O_RDONLY, O_RDONLY) |
591 |
const_iv (O_WRONLY, O_WRONLY) |
592 |
const_iv (O_CREAT , O_CREAT) |
593 |
const_iv (O_TRUNC , O_TRUNC) |
594 |
#ifndef _WIN32 |
595 |
const_iv (S_IFIFO , S_IFIFO) |
596 |
#endif |
597 |
const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
598 |
const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
599 |
const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
600 |
const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
601 |
const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
602 |
const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
603 |
|
604 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
605 |
const_eio (SYNC_FILE_RANGE_WRITE) |
606 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
607 |
|
608 |
const_eio (READDIR_DENTS) |
609 |
const_eio (READDIR_DIRS_FIRST) |
610 |
const_eio (READDIR_STAT_ORDER) |
611 |
const_eio (READDIR_FOUND_UNKNOWN) |
612 |
|
613 |
const_eio (DT_UNKNOWN) |
614 |
const_eio (DT_FIFO) |
615 |
const_eio (DT_CHR) |
616 |
const_eio (DT_DIR) |
617 |
const_eio (DT_BLK) |
618 |
const_eio (DT_REG) |
619 |
const_eio (DT_LNK) |
620 |
const_eio (DT_SOCK) |
621 |
const_eio (DT_WHT) |
622 |
}; |
623 |
|
624 |
stash = gv_stashpv ("IO::AIO", 1); |
625 |
|
626 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
627 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
628 |
|
629 |
create_respipe (); |
630 |
|
631 |
if (eio_init (want_poll, done_poll) < 0) |
632 |
croak ("IO::AIO: unable to initialise eio library"); |
633 |
|
634 |
/* atfork child called in fifo order, so before eio's handler */ |
635 |
X_THREAD_ATFORK (0, 0, atfork_child); |
636 |
} |
637 |
|
638 |
void |
639 |
max_poll_reqs (int nreqs) |
640 |
PROTOTYPE: $ |
641 |
CODE: |
642 |
eio_set_max_poll_reqs (nreqs); |
643 |
|
644 |
void |
645 |
max_poll_time (double nseconds) |
646 |
PROTOTYPE: $ |
647 |
CODE: |
648 |
eio_set_max_poll_time (nseconds); |
649 |
|
650 |
void |
651 |
min_parallel (int nthreads) |
652 |
PROTOTYPE: $ |
653 |
CODE: |
654 |
eio_set_min_parallel (nthreads); |
655 |
|
656 |
void |
657 |
max_parallel (int nthreads) |
658 |
PROTOTYPE: $ |
659 |
CODE: |
660 |
eio_set_max_parallel (nthreads); |
661 |
|
662 |
void |
663 |
max_idle (int nthreads) |
664 |
PROTOTYPE: $ |
665 |
CODE: |
666 |
eio_set_max_idle (nthreads); |
667 |
|
668 |
void |
669 |
max_outstanding (int maxreqs) |
670 |
PROTOTYPE: $ |
671 |
CODE: |
672 |
max_outstanding = maxreqs; |
673 |
|
674 |
void |
675 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
676 |
PROTOTYPE: $$$;$ |
677 |
PPCODE: |
678 |
{ |
679 |
dREQ; |
680 |
|
681 |
req->type = EIO_OPEN; |
682 |
req->sv1 = newSVsv (pathname); |
683 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
684 |
req->int1 = flags; |
685 |
req->int2 = mode; |
686 |
|
687 |
REQ_SEND; |
688 |
} |
689 |
|
690 |
void |
691 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
692 |
PROTOTYPE: $;$ |
693 |
ALIAS: |
694 |
aio_fsync = EIO_FSYNC |
695 |
aio_fdatasync = EIO_FDATASYNC |
696 |
PPCODE: |
697 |
{ |
698 |
int fd = s_fileno_croak (fh, 0); |
699 |
dREQ; |
700 |
|
701 |
req->type = ix; |
702 |
req->sv1 = newSVsv (fh); |
703 |
req->int1 = fd; |
704 |
|
705 |
REQ_SEND (req); |
706 |
} |
707 |
|
708 |
void |
709 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
710 |
PROTOTYPE: $$$$;$ |
711 |
PPCODE: |
712 |
{ |
713 |
int fd = s_fileno_croak (fh, 0); |
714 |
dREQ; |
715 |
|
716 |
req->type = EIO_SYNC_FILE_RANGE; |
717 |
req->sv1 = newSVsv (fh); |
718 |
req->int1 = fd; |
719 |
req->offs = offset; |
720 |
req->size = nbytes; |
721 |
req->int2 = flags; |
722 |
|
723 |
REQ_SEND (req); |
724 |
} |
725 |
|
726 |
void |
727 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
728 |
PROTOTYPE: $;$ |
729 |
PPCODE: |
730 |
{ |
731 |
static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
732 |
int fd = s_fileno_croak (fh, 0); |
733 |
dREQ; |
734 |
|
735 |
if (close_pipe < 0) |
736 |
{ |
737 |
int pipefd [2]; |
738 |
|
739 |
if (pipe (pipefd) < 0 |
740 |
|| close (pipefd [1]) < 0 |
741 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) |
742 |
abort (); /*D*/ |
743 |
|
744 |
close_pipe = pipefd [0]; |
745 |
} |
746 |
|
747 |
req->type = EIO_DUP2; |
748 |
req->int1 = close_pipe; |
749 |
req->sv2 = newSVsv (fh); |
750 |
req->int2 = fd; |
751 |
|
752 |
REQ_SEND (req); |
753 |
} |
754 |
|
755 |
void |
756 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
757 |
ALIAS: |
758 |
aio_read = EIO_READ |
759 |
aio_write = EIO_WRITE |
760 |
PROTOTYPE: $$$$$;$ |
761 |
PPCODE: |
762 |
{ |
763 |
STRLEN svlen; |
764 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
765 |
char *svptr = SvPVbyte (data, svlen); |
766 |
UV len = SvUV (length); |
767 |
|
768 |
if (dataoffset < 0) |
769 |
dataoffset += svlen; |
770 |
|
771 |
if (dataoffset < 0 || dataoffset > svlen) |
772 |
croak ("dataoffset outside of data scalar"); |
773 |
|
774 |
if (ix == EIO_WRITE) |
775 |
{ |
776 |
/* write: check length and adjust. */ |
777 |
if (!SvOK (length) || len + dataoffset > svlen) |
778 |
len = svlen - dataoffset; |
779 |
} |
780 |
else |
781 |
{ |
782 |
/* read: check type and grow scalar as necessary */ |
783 |
SvUPGRADE (data, SVt_PV); |
784 |
svptr = SvGROW (data, len + dataoffset + 1); |
785 |
} |
786 |
|
787 |
{ |
788 |
dREQ; |
789 |
|
790 |
req->type = ix; |
791 |
req->sv1 = newSVsv (fh); |
792 |
req->int1 = fd; |
793 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
794 |
req->size = len; |
795 |
req->sv2 = SvREFCNT_inc (data); |
796 |
req->ptr2 = (char *)svptr + dataoffset; |
797 |
req->stroffset = dataoffset; |
798 |
|
799 |
if (!SvREADONLY (data)) |
800 |
{ |
801 |
SvREADONLY_on (data); |
802 |
req->flags |= FLAG_SV2_RO_OFF; |
803 |
} |
804 |
|
805 |
REQ_SEND; |
806 |
} |
807 |
} |
808 |
|
809 |
void |
810 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
811 |
PROTOTYPE: $$;$ |
812 |
PPCODE: |
813 |
{ |
814 |
SV *data; |
815 |
dREQ; |
816 |
|
817 |
req->type = EIO_READLINK; |
818 |
req->sv1 = newSVsv (path); |
819 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
820 |
|
821 |
REQ_SEND; |
822 |
} |
823 |
|
824 |
void |
825 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
826 |
PROTOTYPE: $$$$;$ |
827 |
PPCODE: |
828 |
{ |
829 |
int ifd = s_fileno_croak (in_fh , 0); |
830 |
int ofd = s_fileno_croak (out_fh, 1); |
831 |
dREQ; |
832 |
|
833 |
req->type = EIO_SENDFILE; |
834 |
req->sv1 = newSVsv (out_fh); |
835 |
req->int1 = ofd; |
836 |
req->sv2 = newSVsv (in_fh); |
837 |
req->int2 = ifd; |
838 |
req->offs = in_offset; |
839 |
req->size = length; |
840 |
|
841 |
REQ_SEND; |
842 |
} |
843 |
|
844 |
void |
845 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
846 |
PROTOTYPE: $$$;$ |
847 |
PPCODE: |
848 |
{ |
849 |
int fd = s_fileno_croak (fh, 0); |
850 |
dREQ; |
851 |
|
852 |
req->type = EIO_READAHEAD; |
853 |
req->sv1 = newSVsv (fh); |
854 |
req->int1 = fd; |
855 |
req->offs = offset; |
856 |
req->size = length; |
857 |
|
858 |
REQ_SEND; |
859 |
} |
860 |
|
861 |
void |
862 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
863 |
ALIAS: |
864 |
aio_stat = EIO_STAT |
865 |
aio_lstat = EIO_LSTAT |
866 |
PPCODE: |
867 |
{ |
868 |
dREQ; |
869 |
|
870 |
req->sv1 = newSVsv (fh_or_path); |
871 |
|
872 |
if (SvPOK (req->sv1)) |
873 |
{ |
874 |
req->type = ix; |
875 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
876 |
} |
877 |
else |
878 |
{ |
879 |
req->type = EIO_FSTAT; |
880 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
881 |
} |
882 |
|
883 |
REQ_SEND; |
884 |
} |
885 |
|
886 |
void |
887 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
888 |
PPCODE: |
889 |
{ |
890 |
dREQ; |
891 |
|
892 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
893 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
894 |
req->sv1 = newSVsv (fh_or_path); |
895 |
|
896 |
if (SvPOK (req->sv1)) |
897 |
{ |
898 |
req->type = EIO_UTIME; |
899 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
900 |
} |
901 |
else |
902 |
{ |
903 |
req->type = EIO_FUTIME; |
904 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
905 |
} |
906 |
|
907 |
REQ_SEND; |
908 |
} |
909 |
|
910 |
void |
911 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
912 |
PPCODE: |
913 |
{ |
914 |
dREQ; |
915 |
|
916 |
req->sv1 = newSVsv (fh_or_path); |
917 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
918 |
|
919 |
if (SvPOK (req->sv1)) |
920 |
{ |
921 |
req->type = EIO_TRUNCATE; |
922 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
923 |
} |
924 |
else |
925 |
{ |
926 |
req->type = EIO_FTRUNCATE; |
927 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
928 |
} |
929 |
|
930 |
REQ_SEND; |
931 |
} |
932 |
|
933 |
void |
934 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
935 |
ALIAS: |
936 |
aio_chmod = EIO_CHMOD |
937 |
aio_mkdir = EIO_MKDIR |
938 |
PPCODE: |
939 |
{ |
940 |
dREQ; |
941 |
|
942 |
req->int2 = mode; |
943 |
req->sv1 = newSVsv (fh_or_path); |
944 |
|
945 |
if (SvPOK (req->sv1)) |
946 |
{ |
947 |
req->type = ix; |
948 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
949 |
} |
950 |
else |
951 |
{ |
952 |
req->type = EIO_FCHMOD; |
953 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
954 |
} |
955 |
|
956 |
REQ_SEND; |
957 |
} |
958 |
|
959 |
void |
960 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
961 |
PPCODE: |
962 |
{ |
963 |
dREQ; |
964 |
|
965 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
966 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
967 |
req->sv1 = newSVsv (fh_or_path); |
968 |
|
969 |
if (SvPOK (req->sv1)) |
970 |
{ |
971 |
req->type = EIO_CHOWN; |
972 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
973 |
} |
974 |
else |
975 |
{ |
976 |
req->type = EIO_FCHOWN; |
977 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
978 |
} |
979 |
|
980 |
REQ_SEND; |
981 |
} |
982 |
|
983 |
void |
984 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
985 |
PPCODE: |
986 |
{ |
987 |
dREQ; |
988 |
|
989 |
req->type = EIO_READDIR; |
990 |
req->sv1 = newSVsv (pathname); |
991 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
992 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
993 |
|
994 |
if (flags & EIO_READDIR_DENTS) |
995 |
req->int1 |= EIO_READDIR_CUSTOM2; |
996 |
|
997 |
REQ_SEND; |
998 |
} |
999 |
|
1000 |
void |
1001 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1002 |
ALIAS: |
1003 |
aio_unlink = EIO_UNLINK |
1004 |
aio_rmdir = EIO_RMDIR |
1005 |
aio_readdir = EIO_READDIR |
1006 |
PPCODE: |
1007 |
{ |
1008 |
dREQ; |
1009 |
|
1010 |
req->type = ix; |
1011 |
req->sv1 = newSVsv (pathname); |
1012 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1013 |
|
1014 |
REQ_SEND; |
1015 |
} |
1016 |
|
1017 |
void |
1018 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1019 |
ALIAS: |
1020 |
aio_link = EIO_LINK |
1021 |
aio_symlink = EIO_SYMLINK |
1022 |
aio_rename = EIO_RENAME |
1023 |
PPCODE: |
1024 |
{ |
1025 |
dREQ; |
1026 |
|
1027 |
req->type = ix; |
1028 |
req->sv1 = newSVsv (oldpath); |
1029 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1030 |
req->sv2 = newSVsv (newpath); |
1031 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
1032 |
|
1033 |
REQ_SEND; |
1034 |
} |
1035 |
|
1036 |
void |
1037 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1038 |
PPCODE: |
1039 |
{ |
1040 |
dREQ; |
1041 |
|
1042 |
req->type = EIO_MKNOD; |
1043 |
req->sv1 = newSVsv (pathname); |
1044 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1045 |
req->int2 = (mode_t)mode; |
1046 |
req->offs = dev; |
1047 |
|
1048 |
REQ_SEND; |
1049 |
} |
1050 |
|
1051 |
void |
1052 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1053 |
PPCODE: |
1054 |
{ |
1055 |
dREQ; |
1056 |
|
1057 |
req->type = EIO_BUSY; |
1058 |
req->nv1 = delay < 0. ? 0. : delay; |
1059 |
|
1060 |
REQ_SEND; |
1061 |
} |
1062 |
|
1063 |
void |
1064 |
aio_group (SV *callback=&PL_sv_undef) |
1065 |
PROTOTYPE: ;$ |
1066 |
PPCODE: |
1067 |
{ |
1068 |
dREQ; |
1069 |
|
1070 |
req->type = EIO_GROUP; |
1071 |
|
1072 |
req_submit (req); |
1073 |
XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
1074 |
} |
1075 |
|
1076 |
void |
1077 |
aio_nop (SV *callback=&PL_sv_undef) |
1078 |
ALIAS: |
1079 |
aio_nop = EIO_NOP |
1080 |
aio_sync = EIO_SYNC |
1081 |
PPCODE: |
1082 |
{ |
1083 |
dREQ; |
1084 |
|
1085 |
req->type = ix; |
1086 |
|
1087 |
REQ_SEND; |
1088 |
} |
1089 |
|
1090 |
int |
1091 |
aioreq_pri (int pri = 0) |
1092 |
PROTOTYPE: ;$ |
1093 |
CODE: |
1094 |
RETVAL = next_pri; |
1095 |
if (items > 0) |
1096 |
{ |
1097 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1098 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1099 |
next_pri = pri; |
1100 |
} |
1101 |
OUTPUT: |
1102 |
RETVAL |
1103 |
|
1104 |
void |
1105 |
aioreq_nice (int nice = 0) |
1106 |
CODE: |
1107 |
nice = next_pri - nice; |
1108 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1109 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1110 |
next_pri = nice; |
1111 |
|
1112 |
void |
1113 |
flush () |
1114 |
PROTOTYPE: |
1115 |
CODE: |
1116 |
while (eio_nreqs ()) |
1117 |
{ |
1118 |
poll_wait (); |
1119 |
poll_cb (); |
1120 |
} |
1121 |
|
1122 |
int |
1123 |
poll() |
1124 |
PROTOTYPE: |
1125 |
CODE: |
1126 |
poll_wait (); |
1127 |
RETVAL = poll_cb (); |
1128 |
OUTPUT: |
1129 |
RETVAL |
1130 |
|
1131 |
int |
1132 |
poll_fileno() |
1133 |
PROTOTYPE: |
1134 |
CODE: |
1135 |
RETVAL = respipe [0]; |
1136 |
OUTPUT: |
1137 |
RETVAL |
1138 |
|
1139 |
int |
1140 |
poll_cb(...) |
1141 |
PROTOTYPE: |
1142 |
CODE: |
1143 |
RETVAL = poll_cb (); |
1144 |
OUTPUT: |
1145 |
RETVAL |
1146 |
|
1147 |
void |
1148 |
poll_wait() |
1149 |
PROTOTYPE: |
1150 |
CODE: |
1151 |
poll_wait (); |
1152 |
|
1153 |
int |
1154 |
nreqs() |
1155 |
PROTOTYPE: |
1156 |
CODE: |
1157 |
RETVAL = eio_nreqs (); |
1158 |
OUTPUT: |
1159 |
RETVAL |
1160 |
|
1161 |
int |
1162 |
nready() |
1163 |
PROTOTYPE: |
1164 |
CODE: |
1165 |
RETVAL = eio_nready (); |
1166 |
OUTPUT: |
1167 |
RETVAL |
1168 |
|
1169 |
int |
1170 |
npending() |
1171 |
PROTOTYPE: |
1172 |
CODE: |
1173 |
RETVAL = eio_npending (); |
1174 |
OUTPUT: |
1175 |
RETVAL |
1176 |
|
1177 |
int |
1178 |
nthreads() |
1179 |
PROTOTYPE: |
1180 |
CODE: |
1181 |
RETVAL = eio_nthreads (); |
1182 |
OUTPUT: |
1183 |
RETVAL |
1184 |
|
1185 |
int |
1186 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1187 |
PROTOTYPE: $$$$ |
1188 |
CODE: |
1189 |
#if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1190 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1191 |
#else |
1192 |
RETVAL = errno = ENOSYS; |
1193 |
#endif |
1194 |
OUTPUT: |
1195 |
RETVAL |
1196 |
|
1197 |
ssize_t |
1198 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1199 |
PROTOTYPE: $$$$ |
1200 |
CODE: |
1201 |
eio_sendfile_sync (ofh, ifh, offset, count); |
1202 |
|
1203 |
void _on_next_submit (SV *cb) |
1204 |
CODE: |
1205 |
SvREFCNT_dec (on_next_submit); |
1206 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1207 |
|
1208 |
PROTOTYPES: DISABLE |
1209 |
|
1210 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1211 |
|
1212 |
void |
1213 |
cancel (aio_req_ornot req) |
1214 |
CODE: |
1215 |
eio_cancel (req); |
1216 |
|
1217 |
void |
1218 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1219 |
PPCODE: |
1220 |
{ |
1221 |
if (GIMME_V != G_VOID) |
1222 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1223 |
|
1224 |
if (items > 1) |
1225 |
{ |
1226 |
SV *cb_cv = get_cb (callback); |
1227 |
|
1228 |
SvREFCNT_dec (req->callback); |
1229 |
req->callback = SvREFCNT_inc (cb_cv); |
1230 |
} |
1231 |
} |
1232 |
|
1233 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1234 |
|
1235 |
void |
1236 |
add (aio_req grp, ...) |
1237 |
PPCODE: |
1238 |
{ |
1239 |
int i; |
1240 |
|
1241 |
if (grp->int1 == 2) |
1242 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1243 |
|
1244 |
for (i = 1; i < items; ++i ) |
1245 |
{ |
1246 |
aio_req req; |
1247 |
|
1248 |
if (GIMME_V != G_VOID) |
1249 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1250 |
|
1251 |
req = SvAIO_REQ (ST (i)); |
1252 |
|
1253 |
if (req) |
1254 |
eio_grp_add (grp, req); |
1255 |
} |
1256 |
} |
1257 |
|
1258 |
void |
1259 |
cancel_subs (aio_req_ornot req) |
1260 |
CODE: |
1261 |
req_cancel_subs (req); |
1262 |
|
1263 |
void |
1264 |
result (aio_req grp, ...) |
1265 |
CODE: |
1266 |
{ |
1267 |
int i; |
1268 |
AV *av; |
1269 |
|
1270 |
grp->errorno = errno; |
1271 |
|
1272 |
av = newAV (); |
1273 |
av_extend (av, items - 1); |
1274 |
|
1275 |
for (i = 1; i < items; ++i ) |
1276 |
av_push (av, newSVsv (ST (i))); |
1277 |
|
1278 |
SvREFCNT_dec (grp->sv1); |
1279 |
grp->sv1 = (SV *)av; |
1280 |
} |
1281 |
|
1282 |
void |
1283 |
errno (aio_req grp, int errorno = errno) |
1284 |
CODE: |
1285 |
grp->errorno = errorno; |
1286 |
|
1287 |
void |
1288 |
limit (aio_req grp, int limit) |
1289 |
CODE: |
1290 |
eio_grp_limit (grp, limit); |
1291 |
|
1292 |
void |
1293 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1294 |
CODE: |
1295 |
{ |
1296 |
SvREFCNT_dec (grp->sv2); |
1297 |
grp->sv2 = newSVsv (callback); |
1298 |
grp->feed = aio_grp_feed; |
1299 |
|
1300 |
if (grp->int2 <= 0) |
1301 |
grp->int2 = 2; |
1302 |
|
1303 |
eio_grp_limit (grp, grp->int2); |
1304 |
} |
1305 |
|