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 |
#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
21 |
# include <sys/mman.h> |
22 |
#endif |
23 |
|
24 |
/* perl namespace pollution */ |
25 |
#undef VERSION |
26 |
|
27 |
/* perl stupidly overrides readdir and maybe others */ |
28 |
/* with thread-unsafe versions, imagine that :( */ |
29 |
#undef readdir |
30 |
#undef opendir |
31 |
#undef closedir |
32 |
|
33 |
#ifdef _WIN32 |
34 |
|
35 |
#define EIO_STRUCT_DIRENT Direntry_t |
36 |
#undef malloc |
37 |
#undef free |
38 |
|
39 |
// perl overrides all those nice libc functions |
40 |
#undef open |
41 |
#undef read |
42 |
#undef write |
43 |
#undef send |
44 |
#undef recv |
45 |
#undef stat |
46 |
#undef lstat |
47 |
#undef fstat |
48 |
#undef truncate |
49 |
#undef ftruncate |
50 |
#undef open |
51 |
#undef link |
52 |
#undef close |
53 |
#undef unlink |
54 |
#undef mkdir |
55 |
#undef rmdir |
56 |
#undef rename |
57 |
#undef lseek |
58 |
#undef opendir |
59 |
#undef readdir |
60 |
#undef closedir |
61 |
#undef chmod |
62 |
#undef fchmod |
63 |
#undef dup |
64 |
#undef dup2 |
65 |
#undef abort |
66 |
#undef pipe |
67 |
|
68 |
#else |
69 |
|
70 |
#include <sys/time.h> |
71 |
#include <sys/select.h> |
72 |
#include <unistd.h> |
73 |
#include <utime.h> |
74 |
#include <signal.h> |
75 |
|
76 |
#endif |
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 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
105 |
typedef int aio_rfd; /* read file desriptor */ |
106 |
typedef int aio_wfd; /* write file descriptor */ |
107 |
|
108 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash; |
109 |
|
110 |
#define EIO_REQ_MEMBERS \ |
111 |
SV *callback; \ |
112 |
SV *sv1, *sv2; \ |
113 |
STRLEN stroffset; \ |
114 |
SV *self; |
115 |
|
116 |
#define EIO_NO_WRAPPERS 1 |
117 |
|
118 |
#include "libeio/config.h" |
119 |
#include "libeio/eio.h" |
120 |
|
121 |
static int req_invoke (eio_req *req); |
122 |
#define EIO_FINISH(req) req_invoke (req) |
123 |
static void req_destroy (eio_req *grp); |
124 |
#define EIO_DESTROY(req) req_destroy (req) |
125 |
|
126 |
#include "libeio/eio.c" |
127 |
|
128 |
/* Linux/others */ |
129 |
#ifndef O_ASYNC |
130 |
# define O_ASYNC 0 |
131 |
#endif |
132 |
#ifndef O_DIRECT |
133 |
# define O_DIRECT 0 |
134 |
#endif |
135 |
#ifndef O_NOATIME |
136 |
# define O_NOATIME 0 |
137 |
#endif |
138 |
|
139 |
/* POSIX */ |
140 |
#ifndef O_CLOEXEC |
141 |
# define O_CLOEXEC 0 |
142 |
#endif |
143 |
#ifndef O_NOFOLLOW |
144 |
# define O_NOFOLLOW 0 |
145 |
#endif |
146 |
#ifndef O_NOCTTY |
147 |
# define O_NOCTTY 0 |
148 |
#endif |
149 |
#ifndef O_NONBLOCK |
150 |
# define O_NONBLOCK 0 |
151 |
#endif |
152 |
#ifndef O_EXEC |
153 |
# define O_EXEC 0 |
154 |
#endif |
155 |
#ifndef O_SEARCH |
156 |
# define O_SEARCH 0 |
157 |
#endif |
158 |
#ifndef O_DIRECTORY |
159 |
# define O_DIRECTORY 0 |
160 |
#endif |
161 |
#ifndef O_DSYNC |
162 |
# define O_DSYNC 0 |
163 |
#endif |
164 |
#ifndef O_RSYNC |
165 |
# define O_RSYNC 0 |
166 |
#endif |
167 |
#ifndef O_SYNC |
168 |
# define O_SYNC 0 |
169 |
#endif |
170 |
#ifndef O_TTY_INIT |
171 |
# define O_TTY_INIT 0 |
172 |
#endif |
173 |
|
174 |
#ifndef POSIX_FADV_NORMAL |
175 |
# define POSIX_FADV_NORMAL 0 |
176 |
#endif |
177 |
#ifndef POSIX_FADV_SEQUENTIAL |
178 |
# define POSIX_FADV_SEQUENTIAL 0 |
179 |
#endif |
180 |
#ifndef POSIX_FADV_RANDOM |
181 |
# define POSIX_FADV_RANDOM 0 |
182 |
#endif |
183 |
#ifndef POSIX_FADV_NOREUSE |
184 |
# define POSIX_FADV_NOREUSE 0 |
185 |
#endif |
186 |
#ifndef POSIX_FADV_WILLNEED |
187 |
# define POSIX_FADV_WILLNEED 0 |
188 |
#endif |
189 |
#ifndef POSIX_FADV_DONTNEED |
190 |
# define POSIX_FADV_DONTNEED 0 |
191 |
#endif |
192 |
|
193 |
#if !HAVE_POSIX_FADVISE |
194 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
195 |
#endif |
196 |
|
197 |
#ifndef POSIX_MADV_NORMAL |
198 |
# define POSIX_MADV_NORMAL 0 |
199 |
#endif |
200 |
#ifndef POSIX_MADV_SEQUENTIAL |
201 |
# define POSIX_MADV_SEQUENTIAL 0 |
202 |
#endif |
203 |
#ifndef POSIX_MADV_RANDOM |
204 |
# define POSIX_MADV_RANDOM 0 |
205 |
#endif |
206 |
#ifndef POSIX_MADV_WILLNEED |
207 |
# define POSIX_MADV_WILLNEED 0 |
208 |
#endif |
209 |
#ifndef POSIX_MADV_DONTNEED |
210 |
# define POSIX_MADV_DONTNEED 0 |
211 |
#endif |
212 |
|
213 |
#if !HAVE_POSIX_MADVISE |
214 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
215 |
#endif |
216 |
|
217 |
#ifndef PROT_NONE |
218 |
# define PROT_NONE 0 |
219 |
#endif |
220 |
#ifndef PROT_READ |
221 |
# define PROT_READ 0 |
222 |
#endif |
223 |
#ifndef PROT_WRITE |
224 |
# define PROT_READ 0 |
225 |
#endif |
226 |
#ifndef PROT_EXEC |
227 |
# define PROT_EXEC 0 |
228 |
#endif |
229 |
|
230 |
#ifndef ST_RDONLY |
231 |
# define ST_RDONLY 0 |
232 |
#endif |
233 |
#ifndef ST_NOSUID |
234 |
# define ST_NOSUID 0 |
235 |
#endif |
236 |
#ifndef ST_NODEV |
237 |
# define ST_NODEV 0 |
238 |
#endif |
239 |
#ifndef ST_NOEXEC |
240 |
# define ST_NOEXEC 0 |
241 |
#endif |
242 |
#ifndef ST_SYNCHRONOUS |
243 |
# define ST_SYNCHRONOUS 0 |
244 |
#endif |
245 |
#ifndef ST_MANDLOCK |
246 |
# define ST_MANDLOCK 0 |
247 |
#endif |
248 |
#ifndef ST_WRITE |
249 |
# define ST_WRITE 0 |
250 |
#endif |
251 |
#ifndef ST_APPEND |
252 |
# define ST_APPEND 0 |
253 |
#endif |
254 |
#ifndef ST_IMMUTABLE |
255 |
# define ST_IMMUTABLE 0 |
256 |
#endif |
257 |
#ifndef ST_NOATIME |
258 |
# define ST_NOATIME 0 |
259 |
#endif |
260 |
#ifndef ST_NODIRATIME |
261 |
# define ST_NODIRATIME 0 |
262 |
#endif |
263 |
#ifndef ST_RELATIME |
264 |
# define ST_RELATIME 0 |
265 |
#endif |
266 |
|
267 |
#ifndef S_IFIFO |
268 |
# define S_IFIFO 0 |
269 |
#endif |
270 |
#ifndef S_IFCHR |
271 |
# define S_IFCHR 0 |
272 |
#endif |
273 |
#ifndef S_IFBLK |
274 |
# define S_IFBLK 0 |
275 |
#endif |
276 |
#ifndef S_IFLNK |
277 |
# define S_IFLNK 0 |
278 |
#endif |
279 |
#ifndef S_IFREG |
280 |
# define S_IFREG 0 |
281 |
#endif |
282 |
#ifndef S_IFDIR |
283 |
# define S_IFDIR 0 |
284 |
#endif |
285 |
#ifndef S_IFWHT |
286 |
# define S_IFWHT 0 |
287 |
#endif |
288 |
#ifndef S_IFSOCK |
289 |
# define S_IFSOCK 0 |
290 |
#endif |
291 |
|
292 |
#ifndef MAP_ANONYMOUS |
293 |
# ifdef MAP_ANON |
294 |
# define MAP_ANONYMOUS MAP_ANON |
295 |
# else |
296 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
297 |
# endif |
298 |
#endif |
299 |
#ifndef MAP_HUGETLB |
300 |
# define MAP_HUGETLB 0 |
301 |
#endif |
302 |
#ifndef MAP_LOCKED |
303 |
# define MAP_LOCKED 0 |
304 |
#endif |
305 |
#ifndef MAP_NORESERVE |
306 |
# define MAP_NORESERVE 0 |
307 |
#endif |
308 |
#ifndef MAP_POPULATE |
309 |
# define MAP_POPULATE 0 |
310 |
#endif |
311 |
#ifndef MAP_NONBLOCK |
312 |
# define MAP_NONBLOCK 0 |
313 |
#endif |
314 |
|
315 |
#ifndef makedev |
316 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
317 |
#endif |
318 |
#ifndef major |
319 |
# define major(dev) ((dev) >> 8) |
320 |
#endif |
321 |
#ifndef minor |
322 |
# define minor(dev) ((dev) & 0xff) |
323 |
#endif |
324 |
|
325 |
#ifndef PAGESIZE |
326 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
327 |
#endif |
328 |
|
329 |
enum { |
330 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
331 |
}; |
332 |
|
333 |
typedef eio_req *aio_req; |
334 |
typedef eio_req *aio_req_ornot; |
335 |
|
336 |
static SV *on_next_submit; |
337 |
static int next_pri = EIO_PRI_DEFAULT; |
338 |
static int max_outstanding; |
339 |
|
340 |
static s_epipe respipe; |
341 |
|
342 |
static void req_destroy (aio_req req); |
343 |
static void req_cancel (aio_req req); |
344 |
|
345 |
static void want_poll (void) |
346 |
{ |
347 |
/* write a dummy byte to the pipe so fh becomes ready */ |
348 |
s_epipe_signal (&respipe); |
349 |
} |
350 |
|
351 |
static void done_poll (void) |
352 |
{ |
353 |
/* read any signals sent by the worker threads */ |
354 |
s_epipe_drain (&respipe); |
355 |
} |
356 |
|
357 |
/* must be called at most once */ |
358 |
static SV *req_sv (aio_req req, HV *stash) |
359 |
{ |
360 |
if (!req->self) |
361 |
{ |
362 |
req->self = (SV *)newHV (); |
363 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
364 |
} |
365 |
|
366 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
367 |
} |
368 |
|
369 |
static aio_req SvAIO_REQ (SV *sv) |
370 |
{ |
371 |
MAGIC *mg; |
372 |
|
373 |
if (!SvROK (sv) |
374 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
375 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
376 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
377 |
croak ("object of class IO::AIO::REQ expected"); |
378 |
|
379 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
380 |
|
381 |
return mg ? (aio_req)mg->mg_ptr : 0; |
382 |
} |
383 |
|
384 |
static void aio_grp_feed (aio_req grp) |
385 |
{ |
386 |
if (grp->sv2 && SvOK (grp->sv2)) |
387 |
{ |
388 |
dSP; |
389 |
|
390 |
ENTER; |
391 |
SAVETMPS; |
392 |
PUSHMARK (SP); |
393 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
394 |
PUTBACK; |
395 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
396 |
SPAGAIN; |
397 |
FREETMPS; |
398 |
LEAVE; |
399 |
} |
400 |
} |
401 |
|
402 |
static void req_submit (eio_req *req) |
403 |
{ |
404 |
eio_submit (req); |
405 |
|
406 |
if (expect_false (on_next_submit)) |
407 |
{ |
408 |
dSP; |
409 |
SV *cb = sv_2mortal (on_next_submit); |
410 |
|
411 |
on_next_submit = 0; |
412 |
|
413 |
PUSHMARK (SP); |
414 |
PUTBACK; |
415 |
call_sv (cb, G_DISCARD | G_EVAL); |
416 |
} |
417 |
} |
418 |
|
419 |
static int req_invoke (eio_req *req) |
420 |
{ |
421 |
if (req->flags & FLAG_SV2_RO_OFF) |
422 |
SvREADONLY_off (req->sv2); |
423 |
|
424 |
if (!EIO_CANCELLED (req) && req->callback) |
425 |
{ |
426 |
dSP; |
427 |
static SV *sv_result_cache; /* caches the result integer SV */ |
428 |
SV *sv_result; |
429 |
|
430 |
ENTER; |
431 |
SAVETMPS; |
432 |
PUSHMARK (SP); |
433 |
EXTEND (SP, 1); |
434 |
|
435 |
/* do not recreate the result IV from scratch each time */ |
436 |
if (expect_true (sv_result_cache)) |
437 |
{ |
438 |
sv_result = sv_result_cache; sv_result_cache = 0; |
439 |
SvIV_set (sv_result, req->result); |
440 |
SvIOK_only (sv_result); |
441 |
} |
442 |
else |
443 |
{ |
444 |
sv_result = newSViv (req->result); |
445 |
SvREADONLY_on (sv_result); |
446 |
} |
447 |
|
448 |
switch (req->type) |
449 |
{ |
450 |
case EIO_READDIR: |
451 |
{ |
452 |
SV *rv = &PL_sv_undef; |
453 |
|
454 |
if (req->result >= 0) |
455 |
{ |
456 |
int i; |
457 |
char *names = (char *)req->ptr2; |
458 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
459 |
AV *av = newAV (); |
460 |
|
461 |
av_extend (av, req->result - 1); |
462 |
|
463 |
for (i = 0; i < req->result; ++i) |
464 |
{ |
465 |
if (req->int1 & EIO_READDIR_DENTS) |
466 |
{ |
467 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
468 |
|
469 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
470 |
{ |
471 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
472 |
AV *avent = newAV (); |
473 |
|
474 |
av_extend (avent, 2); |
475 |
|
476 |
if (!sv_type [ent->type]) |
477 |
{ |
478 |
sv_type [ent->type] = newSViv (ent->type); |
479 |
SvREADONLY_on (sv_type [ent->type]); |
480 |
} |
481 |
|
482 |
av_store (avent, 0, namesv); |
483 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
484 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
485 |
|
486 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
487 |
} |
488 |
else |
489 |
av_store (av, i, namesv); |
490 |
|
491 |
++ent; |
492 |
} |
493 |
else |
494 |
{ |
495 |
SV *name = newSVpv (names, 0); |
496 |
av_store (av, i, name); |
497 |
names += SvCUR (name) + 1; |
498 |
} |
499 |
} |
500 |
|
501 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
502 |
} |
503 |
|
504 |
PUSHs (rv); |
505 |
|
506 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
507 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
508 |
} |
509 |
break; |
510 |
|
511 |
case EIO_OPEN: |
512 |
{ |
513 |
/* convert fd to fh */ |
514 |
SV *fh = &PL_sv_undef; |
515 |
|
516 |
if (req->result >= 0) |
517 |
{ |
518 |
GV *gv = (GV *)sv_newmortal (); |
519 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
520 |
char sym [64]; |
521 |
int symlen; |
522 |
|
523 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
524 |
gv_init (gv, aio_stash, sym, symlen, 0); |
525 |
|
526 |
symlen = snprintf ( |
527 |
sym, |
528 |
sizeof (sym), |
529 |
"%s&=%d", |
530 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
531 |
(int)req->result |
532 |
); |
533 |
|
534 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
535 |
fh = (SV *)gv; |
536 |
} |
537 |
|
538 |
PUSHs (fh); |
539 |
} |
540 |
break; |
541 |
|
542 |
case EIO_STATVFS: |
543 |
case EIO_FSTATVFS: |
544 |
{ |
545 |
SV *rv = &PL_sv_undef; |
546 |
|
547 |
#ifndef _WIN32 |
548 |
if (req->result >= 0) |
549 |
{ |
550 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
551 |
HV *hv = newHV (); |
552 |
|
553 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
554 |
|
555 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
556 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
557 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
558 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
559 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
560 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
561 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
562 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
563 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
564 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
565 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
566 |
} |
567 |
#endif |
568 |
|
569 |
PUSHs (rv); |
570 |
} |
571 |
|
572 |
break; |
573 |
|
574 |
case EIO_GROUP: |
575 |
req->int1 = 2; /* mark group as finished */ |
576 |
|
577 |
if (req->sv1) |
578 |
{ |
579 |
int i; |
580 |
AV *av = (AV *)req->sv1; |
581 |
|
582 |
EXTEND (SP, AvFILL (av) + 1); |
583 |
for (i = 0; i <= AvFILL (av); ++i) |
584 |
PUSHs (*av_fetch (av, i, 0)); |
585 |
} |
586 |
break; |
587 |
|
588 |
case EIO_NOP: |
589 |
case EIO_BUSY: |
590 |
break; |
591 |
|
592 |
case EIO_READLINK: |
593 |
case EIO_REALPATH: |
594 |
if (req->result > 0) |
595 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
596 |
break; |
597 |
|
598 |
case EIO_STAT: |
599 |
case EIO_LSTAT: |
600 |
case EIO_FSTAT: |
601 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
602 |
PL_laststatval = req->result; |
603 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
604 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
605 |
PUSHs (sv_result); |
606 |
break; |
607 |
|
608 |
case EIO_READ: |
609 |
{ |
610 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
611 |
*SvEND (req->sv2) = 0; |
612 |
SvPOK_only (req->sv2); |
613 |
SvSETMAGIC (req->sv2); |
614 |
PUSHs (sv_result); |
615 |
} |
616 |
break; |
617 |
|
618 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
619 |
if (req->result > 0) |
620 |
SvIV_set (sv_result, 0); |
621 |
/* FALLTHROUGH */ |
622 |
|
623 |
default: |
624 |
PUSHs (sv_result); |
625 |
break; |
626 |
} |
627 |
|
628 |
errno = req->errorno; |
629 |
|
630 |
PUTBACK; |
631 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
632 |
SPAGAIN; |
633 |
|
634 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
635 |
SvREFCNT_dec (sv_result); |
636 |
else |
637 |
sv_result_cache = sv_result; |
638 |
|
639 |
FREETMPS; |
640 |
LEAVE; |
641 |
|
642 |
PUTBACK; |
643 |
} |
644 |
|
645 |
return !!SvTRUE (ERRSV); |
646 |
} |
647 |
|
648 |
static void req_destroy (aio_req req) |
649 |
{ |
650 |
if (req->self) |
651 |
{ |
652 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
653 |
SvREFCNT_dec (req->self); |
654 |
} |
655 |
|
656 |
SvREFCNT_dec (req->sv1); |
657 |
SvREFCNT_dec (req->sv2); |
658 |
SvREFCNT_dec (req->callback); |
659 |
|
660 |
Safefree (req); |
661 |
} |
662 |
|
663 |
static void req_cancel_subs (aio_req grp) |
664 |
{ |
665 |
if (grp->type != EIO_GROUP) |
666 |
return; |
667 |
|
668 |
SvREFCNT_dec (grp->sv2); |
669 |
grp->sv2 = 0; |
670 |
|
671 |
eio_grp_cancel (grp); |
672 |
} |
673 |
|
674 |
static void create_respipe (void) |
675 |
{ |
676 |
if (s_epipe_renew (&respipe)) |
677 |
croak ("IO::AIO: unable to initialize result pipe"); |
678 |
} |
679 |
|
680 |
static void poll_wait (void) |
681 |
{ |
682 |
while (eio_nreqs ()) |
683 |
{ |
684 |
int size; |
685 |
|
686 |
X_LOCK (reslock); |
687 |
size = res_queue.size; |
688 |
X_UNLOCK (reslock); |
689 |
|
690 |
if (size) |
691 |
return; |
692 |
|
693 |
etp_maybe_start_thread (); |
694 |
|
695 |
s_epipe_wait (&respipe); |
696 |
} |
697 |
} |
698 |
|
699 |
static int poll_cb (void) |
700 |
{ |
701 |
for (;;) |
702 |
{ |
703 |
int res = eio_poll (); |
704 |
|
705 |
if (res > 0) |
706 |
croak (0); |
707 |
|
708 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
709 |
return res; |
710 |
|
711 |
poll_wait (); |
712 |
} |
713 |
} |
714 |
|
715 |
static void atfork_child (void) |
716 |
{ |
717 |
create_respipe (); |
718 |
} |
719 |
|
720 |
/*****************************************************************************/ |
721 |
|
722 |
#if !_POSIX_MAPPED_FILES |
723 |
# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
724 |
# define munmap(addr,length) (errno = ENOSYS, -1) |
725 |
#endif |
726 |
|
727 |
#if !_POSIX_MEMORY_PROTECTION |
728 |
# define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
729 |
# define PROT_NONE 0 |
730 |
# define PROT_WRITE 0 |
731 |
# define MAP_PRIVATE 0 |
732 |
# define MAP_SHARED 0 |
733 |
# define MAP_FIXED 0 |
734 |
#endif |
735 |
|
736 |
#define MMAP_MAGIC PERL_MAGIC_ext |
737 |
|
738 |
static int mmap_free (pTHX_ SV *sv, MAGIC *mg) |
739 |
{ |
740 |
int old_errno = errno; |
741 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
742 |
errno = old_errno; |
743 |
|
744 |
mg->mg_obj = 0; /* just in case */ |
745 |
|
746 |
SvREADONLY_off (sv); |
747 |
|
748 |
if (SvPVX (sv) != mg->mg_ptr) |
749 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
750 |
|
751 |
SvCUR_set (sv, 0); |
752 |
SvPVX (sv) = 0; |
753 |
SvOK_off (sv); |
754 |
|
755 |
return 0; |
756 |
} |
757 |
|
758 |
static MGVTBL mmap_vtbl = { |
759 |
0, 0, 0, 0, mmap_free |
760 |
}; |
761 |
|
762 |
/*****************************************************************************/ |
763 |
|
764 |
static SV * get_cb (SV *cb_sv) |
765 |
{ |
766 |
SvGETMAGIC (cb_sv); |
767 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
768 |
} |
769 |
|
770 |
#define dREQ \ |
771 |
SV *cb_cv; \ |
772 |
aio_req req; \ |
773 |
int req_pri = next_pri; \ |
774 |
next_pri = EIO_PRI_DEFAULT; \ |
775 |
\ |
776 |
cb_cv = get_cb (callback); \ |
777 |
\ |
778 |
Newz (0, req, 1, eio_req); \ |
779 |
if (!req) \ |
780 |
croak ("out of memory during eio_req allocation"); \ |
781 |
\ |
782 |
req->callback = SvREFCNT_inc (cb_cv); \ |
783 |
req->pri = req_pri |
784 |
|
785 |
#define REQ_SEND \ |
786 |
PUTBACK; \ |
787 |
req_submit (req); \ |
788 |
SPAGAIN; \ |
789 |
\ |
790 |
if (GIMME_V != G_VOID) \ |
791 |
XPUSHs (req_sv (req, aio_req_stash)); |
792 |
|
793 |
MODULE = IO::AIO PACKAGE = IO::AIO |
794 |
|
795 |
PROTOTYPES: ENABLE |
796 |
|
797 |
BOOT: |
798 |
{ |
799 |
static const struct { |
800 |
const char *name; |
801 |
IV iv; |
802 |
} *civ, const_iv[] = { |
803 |
# define const_niv(name, value) { # name, (IV) value }, |
804 |
# define const_iv(name) { # name, (IV) name }, |
805 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
806 |
const_iv (EXDEV) |
807 |
const_iv (ENOSYS) |
808 |
const_iv (O_RDONLY) |
809 |
const_iv (O_WRONLY) |
810 |
const_iv (O_RDWR) |
811 |
const_iv (O_CREAT) |
812 |
const_iv (O_TRUNC) |
813 |
const_iv (O_EXCL) |
814 |
const_iv (O_APPEND) |
815 |
|
816 |
const_iv (O_ASYNC) |
817 |
const_iv (O_DIRECT) |
818 |
const_iv (O_NOATIME) |
819 |
|
820 |
const_iv (O_CLOEXEC) |
821 |
const_iv (O_NOCTTY) |
822 |
const_iv (O_NOFOLLOW) |
823 |
const_iv (O_NONBLOCK) |
824 |
const_iv (O_EXEC) |
825 |
const_iv (O_SEARCH) |
826 |
const_iv (O_DIRECTORY) |
827 |
const_iv (O_DSYNC) |
828 |
const_iv (O_RSYNC) |
829 |
const_iv (O_SYNC) |
830 |
const_iv (O_TTY_INIT) |
831 |
|
832 |
const_iv (S_IFIFO) |
833 |
const_iv (S_IFCHR) |
834 |
const_iv (S_IFBLK) |
835 |
const_iv (S_IFLNK) |
836 |
const_iv (S_IFREG) |
837 |
const_iv (S_IFDIR) |
838 |
const_iv (S_IFWHT) |
839 |
const_iv (S_IFSOCK) |
840 |
const_iv (S_IFMT) |
841 |
|
842 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
843 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
844 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
845 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
846 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
847 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
848 |
|
849 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
850 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
851 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
852 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
853 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
854 |
|
855 |
const_iv (ST_RDONLY) |
856 |
const_iv (ST_NOSUID) |
857 |
const_iv (ST_NODEV) |
858 |
const_iv (ST_NOEXEC) |
859 |
const_iv (ST_SYNCHRONOUS) |
860 |
const_iv (ST_MANDLOCK) |
861 |
const_iv (ST_WRITE) |
862 |
const_iv (ST_APPEND) |
863 |
const_iv (ST_IMMUTABLE) |
864 |
const_iv (ST_NOATIME) |
865 |
const_iv (ST_NODIRATIME) |
866 |
const_iv (ST_RELATIME) |
867 |
|
868 |
const_iv (PROT_NONE) |
869 |
const_iv (PROT_EXEC) |
870 |
const_iv (PROT_READ) |
871 |
const_iv (PROT_WRITE) |
872 |
|
873 |
/*const_iv (MAP_FIXED)*/ |
874 |
const_iv (MAP_PRIVATE) |
875 |
const_iv (MAP_SHARED) |
876 |
const_iv (MAP_ANONYMOUS) |
877 |
|
878 |
/* linuxish */ |
879 |
const_iv (MAP_HUGETLB) |
880 |
const_iv (MAP_LOCKED) |
881 |
const_iv (MAP_NORESERVE) |
882 |
const_iv (MAP_POPULATE) |
883 |
const_iv (MAP_NONBLOCK) |
884 |
|
885 |
const_eio (MCL_FUTURE) |
886 |
const_eio (MCL_CURRENT) |
887 |
|
888 |
const_eio (MS_ASYNC) |
889 |
const_eio (MS_INVALIDATE) |
890 |
const_eio (MS_SYNC) |
891 |
|
892 |
const_eio (MT_MODIFY) |
893 |
|
894 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
895 |
const_eio (SYNC_FILE_RANGE_WRITE) |
896 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
897 |
|
898 |
const_eio (FALLOC_FL_KEEP_SIZE) |
899 |
|
900 |
const_eio (READDIR_DENTS) |
901 |
const_eio (READDIR_DIRS_FIRST) |
902 |
const_eio (READDIR_STAT_ORDER) |
903 |
const_eio (READDIR_FOUND_UNKNOWN) |
904 |
|
905 |
const_eio (DT_UNKNOWN) |
906 |
const_eio (DT_FIFO) |
907 |
const_eio (DT_CHR) |
908 |
const_eio (DT_DIR) |
909 |
const_eio (DT_BLK) |
910 |
const_eio (DT_REG) |
911 |
const_eio (DT_LNK) |
912 |
const_eio (DT_SOCK) |
913 |
const_eio (DT_WHT) |
914 |
}; |
915 |
|
916 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
917 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
918 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
919 |
|
920 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
921 |
newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
922 |
|
923 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
924 |
|
925 |
create_respipe (); |
926 |
|
927 |
if (eio_init (want_poll, done_poll) < 0) |
928 |
croak ("IO::AIO: unable to initialise eio library"); |
929 |
|
930 |
/* atfork child called in fifo order, so before eio's handler */ |
931 |
X_THREAD_ATFORK (0, 0, atfork_child); |
932 |
} |
933 |
|
934 |
void |
935 |
max_poll_reqs (unsigned int nreqs) |
936 |
PROTOTYPE: $ |
937 |
CODE: |
938 |
eio_set_max_poll_reqs (nreqs); |
939 |
|
940 |
void |
941 |
max_poll_time (double nseconds) |
942 |
PROTOTYPE: $ |
943 |
CODE: |
944 |
eio_set_max_poll_time (nseconds); |
945 |
|
946 |
void |
947 |
min_parallel (unsigned int nthreads) |
948 |
PROTOTYPE: $ |
949 |
CODE: |
950 |
eio_set_min_parallel (nthreads); |
951 |
|
952 |
void |
953 |
max_parallel (unsigned int nthreads) |
954 |
PROTOTYPE: $ |
955 |
CODE: |
956 |
eio_set_max_parallel (nthreads); |
957 |
|
958 |
void |
959 |
max_idle (unsigned int nthreads) |
960 |
PROTOTYPE: $ |
961 |
CODE: |
962 |
eio_set_max_idle (nthreads); |
963 |
|
964 |
void |
965 |
idle_timeout (unsigned int seconds) |
966 |
PROTOTYPE: $ |
967 |
CODE: |
968 |
eio_set_idle_timeout (seconds); |
969 |
|
970 |
void |
971 |
max_outstanding (unsigned int maxreqs) |
972 |
PROTOTYPE: $ |
973 |
CODE: |
974 |
max_outstanding = maxreqs; |
975 |
|
976 |
void |
977 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
978 |
PPCODE: |
979 |
{ |
980 |
dREQ; |
981 |
|
982 |
req->type = EIO_OPEN; |
983 |
req->sv1 = newSVsv (pathname); |
984 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
985 |
req->int1 = flags; |
986 |
req->int2 = mode; |
987 |
|
988 |
REQ_SEND; |
989 |
} |
990 |
|
991 |
void |
992 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
993 |
ALIAS: |
994 |
aio_fsync = EIO_FSYNC |
995 |
aio_fdatasync = EIO_FDATASYNC |
996 |
PPCODE: |
997 |
{ |
998 |
int fd = s_fileno_croak (fh, 0); |
999 |
dREQ; |
1000 |
|
1001 |
req->type = ix; |
1002 |
req->sv1 = newSVsv (fh); |
1003 |
req->int1 = fd; |
1004 |
|
1005 |
REQ_SEND (req); |
1006 |
} |
1007 |
|
1008 |
void |
1009 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1010 |
PPCODE: |
1011 |
{ |
1012 |
int fd = s_fileno_croak (fh, 0); |
1013 |
dREQ; |
1014 |
|
1015 |
req->type = EIO_SYNC_FILE_RANGE; |
1016 |
req->sv1 = newSVsv (fh); |
1017 |
req->int1 = fd; |
1018 |
req->offs = offset; |
1019 |
req->size = nbytes; |
1020 |
req->int2 = flags; |
1021 |
|
1022 |
REQ_SEND (req); |
1023 |
} |
1024 |
|
1025 |
void |
1026 |
aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1027 |
PPCODE: |
1028 |
{ |
1029 |
int fd = s_fileno_croak (fh, 0); |
1030 |
dREQ; |
1031 |
|
1032 |
req->type = EIO_FALLOCATE; |
1033 |
req->sv1 = newSVsv (fh); |
1034 |
req->int1 = fd; |
1035 |
req->int2 = mode; |
1036 |
req->offs = offset; |
1037 |
req->size = len; |
1038 |
|
1039 |
REQ_SEND (req); |
1040 |
} |
1041 |
|
1042 |
void |
1043 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1044 |
PPCODE: |
1045 |
{ |
1046 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
1047 |
int fd = s_fileno_croak (fh, 0); |
1048 |
dREQ; |
1049 |
|
1050 |
if (expect_false (close_fd < 0)) |
1051 |
{ |
1052 |
int pipefd [2]; |
1053 |
|
1054 |
if ( |
1055 |
#ifdef _WIN32 |
1056 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1057 |
#else |
1058 |
pipe (pipefd) < 0 |
1059 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1060 |
#endif |
1061 |
|| close (pipefd [1]) < 0 |
1062 |
) |
1063 |
abort (); /*D*/ |
1064 |
|
1065 |
close_fd = pipefd [0]; |
1066 |
} |
1067 |
|
1068 |
req->type = EIO_DUP2; |
1069 |
req->int1 = close_fd; |
1070 |
req->sv2 = newSVsv (fh); |
1071 |
req->int2 = fd; |
1072 |
|
1073 |
REQ_SEND (req); |
1074 |
} |
1075 |
|
1076 |
void |
1077 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1078 |
ALIAS: |
1079 |
aio_read = EIO_READ |
1080 |
aio_write = EIO_WRITE |
1081 |
PPCODE: |
1082 |
{ |
1083 |
STRLEN svlen; |
1084 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1085 |
char *svptr = SvPVbyte (data, svlen); |
1086 |
UV len = SvUV (length); |
1087 |
|
1088 |
if (dataoffset < 0) |
1089 |
dataoffset += svlen; |
1090 |
|
1091 |
if (dataoffset < 0 || dataoffset > svlen) |
1092 |
croak ("dataoffset outside of data scalar"); |
1093 |
|
1094 |
if (ix == EIO_WRITE) |
1095 |
{ |
1096 |
/* write: check length and adjust. */ |
1097 |
if (!SvOK (length) || len + dataoffset > svlen) |
1098 |
len = svlen - dataoffset; |
1099 |
} |
1100 |
else |
1101 |
{ |
1102 |
/* read: check type and grow scalar as necessary */ |
1103 |
SvUPGRADE (data, SVt_PV); |
1104 |
svptr = SvGROW (data, len + dataoffset + 1); |
1105 |
} |
1106 |
|
1107 |
{ |
1108 |
dREQ; |
1109 |
|
1110 |
req->type = ix; |
1111 |
req->sv1 = newSVsv (fh); |
1112 |
req->int1 = fd; |
1113 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1114 |
req->size = len; |
1115 |
req->sv2 = SvREFCNT_inc (data); |
1116 |
req->ptr2 = (char *)svptr + dataoffset; |
1117 |
req->stroffset = dataoffset; |
1118 |
|
1119 |
if (!SvREADONLY (data)) |
1120 |
{ |
1121 |
SvREADONLY_on (data); |
1122 |
req->flags |= FLAG_SV2_RO_OFF; |
1123 |
} |
1124 |
|
1125 |
REQ_SEND; |
1126 |
} |
1127 |
} |
1128 |
|
1129 |
void |
1130 |
aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
1131 |
ALIAS: |
1132 |
aio_readlink = EIO_READLINK |
1133 |
aio_realpath = EIO_REALPATH |
1134 |
PPCODE: |
1135 |
{ |
1136 |
dREQ; |
1137 |
|
1138 |
req->type = ix; |
1139 |
req->sv1 = newSVsv (path); |
1140 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1141 |
|
1142 |
REQ_SEND; |
1143 |
} |
1144 |
|
1145 |
void |
1146 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1147 |
PPCODE: |
1148 |
{ |
1149 |
int ifd = s_fileno_croak (in_fh , 0); |
1150 |
int ofd = s_fileno_croak (out_fh, 1); |
1151 |
dREQ; |
1152 |
|
1153 |
req->type = EIO_SENDFILE; |
1154 |
req->sv1 = newSVsv (out_fh); |
1155 |
req->int1 = ofd; |
1156 |
req->sv2 = newSVsv (in_fh); |
1157 |
req->int2 = ifd; |
1158 |
req->offs = in_offset; |
1159 |
req->size = length; |
1160 |
|
1161 |
REQ_SEND; |
1162 |
} |
1163 |
|
1164 |
void |
1165 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1166 |
PPCODE: |
1167 |
{ |
1168 |
int fd = s_fileno_croak (fh, 0); |
1169 |
dREQ; |
1170 |
|
1171 |
req->type = EIO_READAHEAD; |
1172 |
req->sv1 = newSVsv (fh); |
1173 |
req->int1 = fd; |
1174 |
req->offs = offset; |
1175 |
req->size = length; |
1176 |
|
1177 |
REQ_SEND; |
1178 |
} |
1179 |
|
1180 |
void |
1181 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1182 |
ALIAS: |
1183 |
aio_stat = EIO_STAT |
1184 |
aio_lstat = EIO_LSTAT |
1185 |
aio_statvfs = EIO_STATVFS |
1186 |
PPCODE: |
1187 |
{ |
1188 |
dREQ; |
1189 |
|
1190 |
req->sv1 = newSVsv (fh_or_path); |
1191 |
|
1192 |
if (SvPOK (req->sv1)) |
1193 |
{ |
1194 |
req->type = ix; |
1195 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1196 |
} |
1197 |
else |
1198 |
{ |
1199 |
req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT; |
1200 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1201 |
} |
1202 |
|
1203 |
REQ_SEND; |
1204 |
} |
1205 |
|
1206 |
UV |
1207 |
major (UV dev) |
1208 |
ALIAS: |
1209 |
minor = 1 |
1210 |
CODE: |
1211 |
RETVAL = ix ? major (dev) : minor (dev); |
1212 |
OUTPUT: |
1213 |
RETVAL |
1214 |
|
1215 |
UV |
1216 |
makedev (UV maj, UV min) |
1217 |
CODE: |
1218 |
RETVAL = makedev (maj, min); |
1219 |
OUTPUT: |
1220 |
RETVAL |
1221 |
|
1222 |
void |
1223 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1224 |
PPCODE: |
1225 |
{ |
1226 |
dREQ; |
1227 |
|
1228 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1229 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1230 |
req->sv1 = newSVsv (fh_or_path); |
1231 |
|
1232 |
if (SvPOK (req->sv1)) |
1233 |
{ |
1234 |
req->type = EIO_UTIME; |
1235 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1236 |
} |
1237 |
else |
1238 |
{ |
1239 |
req->type = EIO_FUTIME; |
1240 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1241 |
} |
1242 |
|
1243 |
REQ_SEND; |
1244 |
} |
1245 |
|
1246 |
void |
1247 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1248 |
PPCODE: |
1249 |
{ |
1250 |
dREQ; |
1251 |
|
1252 |
req->sv1 = newSVsv (fh_or_path); |
1253 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1254 |
|
1255 |
if (SvPOK (req->sv1)) |
1256 |
{ |
1257 |
req->type = EIO_TRUNCATE; |
1258 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1259 |
} |
1260 |
else |
1261 |
{ |
1262 |
req->type = EIO_FTRUNCATE; |
1263 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1264 |
} |
1265 |
|
1266 |
REQ_SEND; |
1267 |
} |
1268 |
|
1269 |
void |
1270 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1271 |
ALIAS: |
1272 |
aio_chmod = EIO_CHMOD |
1273 |
aio_mkdir = EIO_MKDIR |
1274 |
PPCODE: |
1275 |
{ |
1276 |
dREQ; |
1277 |
|
1278 |
req->int2 = mode; |
1279 |
req->sv1 = newSVsv (fh_or_path); |
1280 |
|
1281 |
if (SvPOK (req->sv1)) |
1282 |
{ |
1283 |
req->type = ix; |
1284 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1285 |
} |
1286 |
else |
1287 |
{ |
1288 |
req->type = EIO_FCHMOD; |
1289 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1290 |
} |
1291 |
|
1292 |
REQ_SEND; |
1293 |
} |
1294 |
|
1295 |
void |
1296 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
1297 |
PPCODE: |
1298 |
{ |
1299 |
dREQ; |
1300 |
|
1301 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1302 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1303 |
req->sv1 = newSVsv (fh_or_path); |
1304 |
|
1305 |
if (SvPOK (req->sv1)) |
1306 |
{ |
1307 |
req->type = EIO_CHOWN; |
1308 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1309 |
} |
1310 |
else |
1311 |
{ |
1312 |
req->type = EIO_FCHOWN; |
1313 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1314 |
} |
1315 |
|
1316 |
REQ_SEND; |
1317 |
} |
1318 |
|
1319 |
void |
1320 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1321 |
PPCODE: |
1322 |
{ |
1323 |
dREQ; |
1324 |
|
1325 |
req->type = EIO_READDIR; |
1326 |
req->sv1 = newSVsv (pathname); |
1327 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1328 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1329 |
|
1330 |
if (flags & EIO_READDIR_DENTS) |
1331 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1332 |
|
1333 |
REQ_SEND; |
1334 |
} |
1335 |
|
1336 |
void |
1337 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1338 |
ALIAS: |
1339 |
aio_unlink = EIO_UNLINK |
1340 |
aio_rmdir = EIO_RMDIR |
1341 |
aio_readdir = EIO_READDIR |
1342 |
PPCODE: |
1343 |
{ |
1344 |
dREQ; |
1345 |
|
1346 |
req->type = ix; |
1347 |
req->sv1 = newSVsv (pathname); |
1348 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1349 |
|
1350 |
REQ_SEND; |
1351 |
} |
1352 |
|
1353 |
void |
1354 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1355 |
ALIAS: |
1356 |
aio_link = EIO_LINK |
1357 |
aio_symlink = EIO_SYMLINK |
1358 |
aio_rename = EIO_RENAME |
1359 |
PPCODE: |
1360 |
{ |
1361 |
dREQ; |
1362 |
|
1363 |
req->type = ix; |
1364 |
req->sv1 = newSVsv (oldpath); |
1365 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1366 |
req->sv2 = newSVsv (newpath); |
1367 |
req->ptr2 = SvPVbyte_nolen (req->sv2); |
1368 |
|
1369 |
REQ_SEND; |
1370 |
} |
1371 |
|
1372 |
void |
1373 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1374 |
PPCODE: |
1375 |
{ |
1376 |
dREQ; |
1377 |
|
1378 |
req->type = EIO_MKNOD; |
1379 |
req->sv1 = newSVsv (pathname); |
1380 |
req->ptr1 = SvPVbyte_nolen (req->sv1); |
1381 |
req->int2 = (mode_t)mode; |
1382 |
req->offs = dev; |
1383 |
|
1384 |
REQ_SEND; |
1385 |
} |
1386 |
|
1387 |
void |
1388 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1389 |
ALIAS: |
1390 |
aio_mtouch = EIO_MTOUCH |
1391 |
aio_msync = EIO_MSYNC |
1392 |
PPCODE: |
1393 |
{ |
1394 |
STRLEN svlen; |
1395 |
char *svptr = SvPVbyte (data, svlen); |
1396 |
UV len = SvUV (length); |
1397 |
|
1398 |
if (offset < 0) |
1399 |
offset += svlen; |
1400 |
|
1401 |
if (offset < 0 || offset > svlen) |
1402 |
croak ("offset outside of scalar"); |
1403 |
|
1404 |
if (!SvOK (length) || len + offset > svlen) |
1405 |
len = svlen - offset; |
1406 |
|
1407 |
{ |
1408 |
dREQ; |
1409 |
|
1410 |
req->type = ix; |
1411 |
req->sv2 = SvREFCNT_inc (data); |
1412 |
req->ptr2 = (char *)svptr + offset; |
1413 |
req->size = len; |
1414 |
req->int1 = flags; |
1415 |
|
1416 |
REQ_SEND; |
1417 |
} |
1418 |
} |
1419 |
|
1420 |
void |
1421 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
1422 |
PPCODE: |
1423 |
{ |
1424 |
STRLEN svlen; |
1425 |
char *svptr = SvPVbyte (data, svlen); |
1426 |
UV len = SvUV (length); |
1427 |
|
1428 |
if (offset < 0) |
1429 |
offset += svlen; |
1430 |
|
1431 |
if (offset < 0 || offset > svlen) |
1432 |
croak ("offset outside of scalar"); |
1433 |
|
1434 |
if (!SvOK (length) || len + offset > svlen) |
1435 |
len = svlen - offset; |
1436 |
|
1437 |
{ |
1438 |
dREQ; |
1439 |
|
1440 |
req->type = EIO_MLOCK; |
1441 |
req->sv2 = SvREFCNT_inc (data); |
1442 |
req->ptr2 = (char *)svptr + offset; |
1443 |
req->size = len; |
1444 |
|
1445 |
REQ_SEND; |
1446 |
} |
1447 |
} |
1448 |
|
1449 |
void |
1450 |
aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
1451 |
PPCODE: |
1452 |
{ |
1453 |
dREQ; |
1454 |
|
1455 |
req->type = EIO_MLOCKALL; |
1456 |
req->int1 = flags; |
1457 |
|
1458 |
REQ_SEND; |
1459 |
} |
1460 |
|
1461 |
void |
1462 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1463 |
PPCODE: |
1464 |
{ |
1465 |
dREQ; |
1466 |
|
1467 |
req->type = EIO_BUSY; |
1468 |
req->nv1 = delay < 0. ? 0. : delay; |
1469 |
|
1470 |
REQ_SEND; |
1471 |
} |
1472 |
|
1473 |
void |
1474 |
aio_group (SV *callback=&PL_sv_undef) |
1475 |
PPCODE: |
1476 |
{ |
1477 |
dREQ; |
1478 |
|
1479 |
req->type = EIO_GROUP; |
1480 |
|
1481 |
req_submit (req); |
1482 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1483 |
} |
1484 |
|
1485 |
void |
1486 |
aio_nop (SV *callback=&PL_sv_undef) |
1487 |
ALIAS: |
1488 |
aio_nop = EIO_NOP |
1489 |
aio_sync = EIO_SYNC |
1490 |
PPCODE: |
1491 |
{ |
1492 |
dREQ; |
1493 |
|
1494 |
req->type = ix; |
1495 |
|
1496 |
REQ_SEND; |
1497 |
} |
1498 |
|
1499 |
int |
1500 |
aioreq_pri (int pri = 0) |
1501 |
CODE: |
1502 |
RETVAL = next_pri; |
1503 |
if (items > 0) |
1504 |
{ |
1505 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1506 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1507 |
next_pri = pri; |
1508 |
} |
1509 |
OUTPUT: |
1510 |
RETVAL |
1511 |
|
1512 |
void |
1513 |
aioreq_nice (int nice = 0) |
1514 |
CODE: |
1515 |
nice = next_pri - nice; |
1516 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1517 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1518 |
next_pri = nice; |
1519 |
|
1520 |
void |
1521 |
flush () |
1522 |
CODE: |
1523 |
while (eio_nreqs ()) |
1524 |
{ |
1525 |
poll_wait (); |
1526 |
poll_cb (); |
1527 |
} |
1528 |
|
1529 |
int |
1530 |
poll () |
1531 |
CODE: |
1532 |
poll_wait (); |
1533 |
RETVAL = poll_cb (); |
1534 |
OUTPUT: |
1535 |
RETVAL |
1536 |
|
1537 |
int |
1538 |
poll_fileno () |
1539 |
CODE: |
1540 |
RETVAL = s_epipe_fd (&respipe); |
1541 |
OUTPUT: |
1542 |
RETVAL |
1543 |
|
1544 |
int |
1545 |
poll_cb (...) |
1546 |
PROTOTYPE: |
1547 |
CODE: |
1548 |
RETVAL = poll_cb (); |
1549 |
OUTPUT: |
1550 |
RETVAL |
1551 |
|
1552 |
void |
1553 |
poll_wait () |
1554 |
CODE: |
1555 |
poll_wait (); |
1556 |
|
1557 |
int |
1558 |
nreqs () |
1559 |
CODE: |
1560 |
RETVAL = eio_nreqs (); |
1561 |
OUTPUT: |
1562 |
RETVAL |
1563 |
|
1564 |
int |
1565 |
nready () |
1566 |
CODE: |
1567 |
RETVAL = eio_nready (); |
1568 |
OUTPUT: |
1569 |
RETVAL |
1570 |
|
1571 |
int |
1572 |
npending () |
1573 |
CODE: |
1574 |
RETVAL = eio_npending (); |
1575 |
OUTPUT: |
1576 |
RETVAL |
1577 |
|
1578 |
int |
1579 |
nthreads () |
1580 |
CODE: |
1581 |
RETVAL = eio_nthreads (); |
1582 |
OUTPUT: |
1583 |
RETVAL |
1584 |
|
1585 |
int |
1586 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1587 |
CODE: |
1588 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1589 |
OUTPUT: |
1590 |
RETVAL |
1591 |
|
1592 |
ssize_t |
1593 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1594 |
CODE: |
1595 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1596 |
OUTPUT: |
1597 |
RETVAL |
1598 |
|
1599 |
void |
1600 |
mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1601 |
PPCODE: |
1602 |
sv_unmagic (scalar, MMAP_MAGIC); |
1603 |
{ |
1604 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1605 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1606 |
if (addr == (void *)-1) |
1607 |
XSRETURN_NO; |
1608 |
|
1609 |
sv_force_normal (scalar); |
1610 |
|
1611 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
1612 |
sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1613 |
->mg_obj = (SV *)length; |
1614 |
|
1615 |
SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1616 |
|
1617 |
if (!(prot & PROT_WRITE)) |
1618 |
SvREADONLY_on (scalar); |
1619 |
|
1620 |
if (SvLEN (scalar)) |
1621 |
Safefree (SvPVX (scalar)); |
1622 |
|
1623 |
SvPVX (scalar) = (char *)addr; |
1624 |
SvCUR_set (scalar, length); |
1625 |
SvLEN_set (scalar, 0); |
1626 |
SvPOK_only (scalar); |
1627 |
|
1628 |
XSRETURN_YES; |
1629 |
} |
1630 |
|
1631 |
void |
1632 |
munmap (SV *scalar) |
1633 |
CODE: |
1634 |
sv_unmagic (scalar, MMAP_MAGIC); |
1635 |
|
1636 |
int |
1637 |
madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1638 |
ALIAS: |
1639 |
mprotect = 1 |
1640 |
CODE: |
1641 |
{ |
1642 |
STRLEN svlen; |
1643 |
void *addr = SvPVbyte (scalar, svlen); |
1644 |
size_t len = SvUV (length); |
1645 |
|
1646 |
if (offset < 0) |
1647 |
offset += svlen; |
1648 |
|
1649 |
if (offset < 0 || offset > svlen) |
1650 |
croak ("offset outside of scalar"); |
1651 |
|
1652 |
if (!SvOK (length) || len + offset > svlen) |
1653 |
len = svlen - offset; |
1654 |
|
1655 |
addr = (void *)(((intptr_t)addr) + offset); |
1656 |
eio_page_align (&addr, &len); |
1657 |
|
1658 |
switch (ix) |
1659 |
{ |
1660 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1661 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1662 |
} |
1663 |
} |
1664 |
OUTPUT: |
1665 |
RETVAL |
1666 |
|
1667 |
int |
1668 |
munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1669 |
CODE: |
1670 |
{ |
1671 |
STRLEN svlen; |
1672 |
void *addr = SvPVbyte (scalar, svlen); |
1673 |
size_t len = SvUV (length); |
1674 |
|
1675 |
if (offset < 0) |
1676 |
offset += svlen; |
1677 |
|
1678 |
if (offset < 0 || offset > svlen) |
1679 |
croak ("offset outside of scalar"); |
1680 |
|
1681 |
if (!SvOK (length) || len + offset > svlen) |
1682 |
len = svlen - offset; |
1683 |
|
1684 |
addr = (void *)(((intptr_t)addr) + offset); |
1685 |
eio_page_align (&addr, &len); |
1686 |
#if _POSIX_MEMLOCK_RANGE |
1687 |
RETVAL = munlock (addr, len); |
1688 |
#else |
1689 |
RETVAL = ((errno = ENOSYS), -1); |
1690 |
#endif |
1691 |
} |
1692 |
OUTPUT: |
1693 |
RETVAL |
1694 |
|
1695 |
int |
1696 |
munlockall () |
1697 |
CODE: |
1698 |
#if _POSIX_MEMLOCK |
1699 |
munlockall (); |
1700 |
#else |
1701 |
RETVAL = -1; |
1702 |
errno = ENOSYS; |
1703 |
#endif |
1704 |
OUTPUT: |
1705 |
RETVAL |
1706 |
|
1707 |
void _on_next_submit (SV *cb) |
1708 |
CODE: |
1709 |
SvREFCNT_dec (on_next_submit); |
1710 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1711 |
|
1712 |
PROTOTYPES: DISABLE |
1713 |
|
1714 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1715 |
|
1716 |
void |
1717 |
cancel (aio_req_ornot req) |
1718 |
CODE: |
1719 |
eio_cancel (req); |
1720 |
|
1721 |
void |
1722 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1723 |
PPCODE: |
1724 |
{ |
1725 |
if (GIMME_V != G_VOID) |
1726 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1727 |
|
1728 |
if (items > 1) |
1729 |
{ |
1730 |
SV *cb_cv =get_cb (callback); |
1731 |
|
1732 |
SvREFCNT_dec (req->callback); |
1733 |
req->callback = SvREFCNT_inc (cb_cv); |
1734 |
} |
1735 |
} |
1736 |
|
1737 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1738 |
|
1739 |
void |
1740 |
add (aio_req grp, ...) |
1741 |
PPCODE: |
1742 |
{ |
1743 |
int i; |
1744 |
|
1745 |
if (grp->int1 == 2) |
1746 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1747 |
|
1748 |
for (i = 1; i < items; ++i ) |
1749 |
{ |
1750 |
aio_req req; |
1751 |
|
1752 |
if (GIMME_V != G_VOID) |
1753 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1754 |
|
1755 |
req = SvAIO_REQ (ST (i)); |
1756 |
|
1757 |
if (req) |
1758 |
eio_grp_add (grp, req); |
1759 |
} |
1760 |
} |
1761 |
|
1762 |
void |
1763 |
cancel_subs (aio_req_ornot req) |
1764 |
CODE: |
1765 |
req_cancel_subs (req); |
1766 |
|
1767 |
void |
1768 |
result (aio_req grp, ...) |
1769 |
CODE: |
1770 |
{ |
1771 |
int i; |
1772 |
AV *av; |
1773 |
|
1774 |
grp->errorno = errno; |
1775 |
|
1776 |
av = newAV (); |
1777 |
av_extend (av, items - 1); |
1778 |
|
1779 |
for (i = 1; i < items; ++i ) |
1780 |
av_push (av, newSVsv (ST (i))); |
1781 |
|
1782 |
SvREFCNT_dec (grp->sv1); |
1783 |
grp->sv1 = (SV *)av; |
1784 |
} |
1785 |
|
1786 |
void |
1787 |
errno (aio_req grp, int errorno = errno) |
1788 |
CODE: |
1789 |
grp->errorno = errorno; |
1790 |
|
1791 |
void |
1792 |
limit (aio_req grp, int limit) |
1793 |
CODE: |
1794 |
eio_grp_limit (grp, limit); |
1795 |
|
1796 |
void |
1797 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1798 |
CODE: |
1799 |
{ |
1800 |
SvREFCNT_dec (grp->sv2); |
1801 |
grp->sv2 = newSVsv (callback); |
1802 |
grp->feed = aio_grp_feed; |
1803 |
|
1804 |
if (grp->int2 <= 0) |
1805 |
grp->int2 = 2; |
1806 |
|
1807 |
eio_grp_limit (grp, grp->int2); |
1808 |
} |
1809 |
|