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 |
// perl overrides all those nice libc functions |
36 |
|
37 |
#undef malloc |
38 |
#undef free |
39 |
#undef open |
40 |
#undef read |
41 |
#undef write |
42 |
#undef send |
43 |
#undef recv |
44 |
#undef stat |
45 |
#undef lstat |
46 |
#undef fstat |
47 |
#undef truncate |
48 |
#undef ftruncate |
49 |
#undef open |
50 |
#undef link |
51 |
#undef close |
52 |
#undef unlink |
53 |
#undef mkdir |
54 |
#undef rmdir |
55 |
#undef rename |
56 |
#undef lseek |
57 |
#undef opendir |
58 |
#undef readdir |
59 |
#undef closedir |
60 |
#undef chmod |
61 |
#undef fchmod |
62 |
#undef dup |
63 |
#undef dup2 |
64 |
#undef abort |
65 |
#undef pipe |
66 |
|
67 |
#else |
68 |
|
69 |
#include <sys/time.h> |
70 |
#include <sys/select.h> |
71 |
#include <unistd.h> |
72 |
#include <utime.h> |
73 |
#include <signal.h> |
74 |
|
75 |
#endif |
76 |
|
77 |
#define EIO_STRUCT_STAT Stat_t |
78 |
|
79 |
/* use NV for 32 bit perls as it allows larger offsets */ |
80 |
#if IVSIZE >= 8 |
81 |
# define VAL64 IV |
82 |
# define SvVAL64 SvIV |
83 |
# define newSVval64 newSViv |
84 |
#else |
85 |
# define VAL64 NV |
86 |
# define SvVAL64 SvNV |
87 |
# define newSVval64 newSVnv |
88 |
#endif |
89 |
|
90 |
/*****************************************************************************/ |
91 |
|
92 |
#if __GNUC__ >= 3 |
93 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
94 |
#else |
95 |
# define expect(expr,value) (expr) |
96 |
#endif |
97 |
|
98 |
#define expect_false(expr) expect ((expr) != 0, 0) |
99 |
#define expect_true(expr) expect ((expr) != 0, 1) |
100 |
|
101 |
/*****************************************************************************/ |
102 |
|
103 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
104 |
typedef int aio_rfd; /* read file desriptor */ |
105 |
typedef int aio_wfd; /* write file descriptor */ |
106 |
|
107 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
108 |
|
109 |
#define EIO_REQ_MEMBERS \ |
110 |
SV *callback; \ |
111 |
SV *sv1, *sv2; \ |
112 |
SV *sv3, *sv4; \ |
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 |
typedef eio_wd aio_wd; |
336 |
|
337 |
static SV *on_next_submit; |
338 |
static int next_pri = EIO_PRI_DEFAULT; |
339 |
static int max_outstanding; |
340 |
|
341 |
static s_epipe respipe; |
342 |
|
343 |
static void req_destroy (aio_req req); |
344 |
static void req_cancel (aio_req req); |
345 |
|
346 |
static void want_poll (void) |
347 |
{ |
348 |
/* write a dummy byte to the pipe so fh becomes ready */ |
349 |
s_epipe_signal (&respipe); |
350 |
} |
351 |
|
352 |
static void done_poll (void) |
353 |
{ |
354 |
/* read any signals sent by the worker threads */ |
355 |
s_epipe_drain (&respipe); |
356 |
} |
357 |
|
358 |
/* must be called at most once */ |
359 |
static SV *req_sv (aio_req req, HV *stash) |
360 |
{ |
361 |
if (!req->self) |
362 |
{ |
363 |
req->self = (SV *)newHV (); |
364 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
365 |
} |
366 |
|
367 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
368 |
} |
369 |
|
370 |
static SV * |
371 |
newSVaio_wd (aio_wd wd) |
372 |
{ |
373 |
return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); |
374 |
} |
375 |
|
376 |
static aio_req SvAIO_REQ (SV *sv) |
377 |
{ |
378 |
MAGIC *mg; |
379 |
|
380 |
if (!SvROK (sv) |
381 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
382 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
383 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
384 |
croak ("object of class IO::AIO::REQ expected"); |
385 |
|
386 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
387 |
|
388 |
return mg ? (aio_req)mg->mg_ptr : 0; |
389 |
} |
390 |
|
391 |
static aio_wd SvAIO_WD (SV *sv) |
392 |
{ |
393 |
if (!SvROK (sv) |
394 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash |
395 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG) |
396 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
397 |
|
398 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
399 |
} |
400 |
|
401 |
static void aio_grp_feed (aio_req grp) |
402 |
{ |
403 |
if (grp->sv2 && SvOK (grp->sv2)) |
404 |
{ |
405 |
dSP; |
406 |
|
407 |
ENTER; |
408 |
SAVETMPS; |
409 |
PUSHMARK (SP); |
410 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
411 |
PUTBACK; |
412 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
413 |
SPAGAIN; |
414 |
FREETMPS; |
415 |
LEAVE; |
416 |
} |
417 |
} |
418 |
|
419 |
static void req_submit (eio_req *req) |
420 |
{ |
421 |
eio_submit (req); |
422 |
|
423 |
if (expect_false (on_next_submit)) |
424 |
{ |
425 |
dSP; |
426 |
SV *cb = sv_2mortal (on_next_submit); |
427 |
|
428 |
on_next_submit = 0; |
429 |
|
430 |
PUSHMARK (SP); |
431 |
PUTBACK; |
432 |
call_sv (cb, G_DISCARD | G_EVAL); |
433 |
} |
434 |
} |
435 |
|
436 |
static int req_invoke (eio_req *req) |
437 |
{ |
438 |
if (req->flags & FLAG_SV2_RO_OFF) |
439 |
SvREADONLY_off (req->sv2); |
440 |
|
441 |
if (!EIO_CANCELLED (req) && req->callback) |
442 |
{ |
443 |
dSP; |
444 |
static SV *sv_result_cache; /* caches the result integer SV */ |
445 |
SV *sv_result; |
446 |
|
447 |
ENTER; |
448 |
SAVETMPS; |
449 |
PUSHMARK (SP); |
450 |
EXTEND (SP, 1); |
451 |
|
452 |
/* do not recreate the result IV from scratch each time */ |
453 |
if (expect_true (sv_result_cache)) |
454 |
{ |
455 |
sv_result = sv_result_cache; sv_result_cache = 0; |
456 |
SvIV_set (sv_result, req->result); |
457 |
SvIOK_only (sv_result); |
458 |
} |
459 |
else |
460 |
{ |
461 |
sv_result = newSViv (req->result); |
462 |
SvREADONLY_on (sv_result); |
463 |
} |
464 |
|
465 |
switch (req->type) |
466 |
{ |
467 |
case EIO_WD_OPEN: |
468 |
PUSHs (sv_2mortal (newSVaio_wd (req->wd))); |
469 |
break; |
470 |
|
471 |
case EIO_READDIR: |
472 |
{ |
473 |
SV *rv = &PL_sv_undef; |
474 |
|
475 |
if (req->result >= 0) |
476 |
{ |
477 |
int i; |
478 |
char *names = (char *)req->ptr2; |
479 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
480 |
AV *av = newAV (); |
481 |
|
482 |
av_extend (av, req->result - 1); |
483 |
|
484 |
for (i = 0; i < req->result; ++i) |
485 |
{ |
486 |
if (req->int1 & EIO_READDIR_DENTS) |
487 |
{ |
488 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
489 |
|
490 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
491 |
{ |
492 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
493 |
AV *avent = newAV (); |
494 |
|
495 |
av_extend (avent, 2); |
496 |
|
497 |
if (!sv_type [ent->type]) |
498 |
{ |
499 |
sv_type [ent->type] = newSViv (ent->type); |
500 |
SvREADONLY_on (sv_type [ent->type]); |
501 |
} |
502 |
|
503 |
av_store (avent, 0, namesv); |
504 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
505 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
506 |
|
507 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
508 |
} |
509 |
else |
510 |
av_store (av, i, namesv); |
511 |
|
512 |
++ent; |
513 |
} |
514 |
else |
515 |
{ |
516 |
SV *name = newSVpv (names, 0); |
517 |
av_store (av, i, name); |
518 |
names += SvCUR (name) + 1; |
519 |
} |
520 |
} |
521 |
|
522 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
523 |
} |
524 |
|
525 |
PUSHs (rv); |
526 |
|
527 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
528 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
529 |
} |
530 |
break; |
531 |
|
532 |
case EIO_OPEN: |
533 |
{ |
534 |
/* convert fd to fh */ |
535 |
SV *fh = &PL_sv_undef; |
536 |
|
537 |
if (req->result >= 0) |
538 |
{ |
539 |
GV *gv = (GV *)sv_newmortal (); |
540 |
int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); |
541 |
char sym [64]; |
542 |
int symlen; |
543 |
|
544 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); |
545 |
gv_init (gv, aio_stash, sym, symlen, 0); |
546 |
|
547 |
symlen = snprintf ( |
548 |
sym, |
549 |
sizeof (sym), |
550 |
"%s&=%d", |
551 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
552 |
(int)req->result |
553 |
); |
554 |
|
555 |
if (do_open (gv, sym, symlen, 0, 0, 0, 0)) |
556 |
fh = (SV *)gv; |
557 |
} |
558 |
|
559 |
PUSHs (fh); |
560 |
} |
561 |
break; |
562 |
|
563 |
case EIO_STATVFS: |
564 |
case EIO_FSTATVFS: |
565 |
{ |
566 |
SV *rv = &PL_sv_undef; |
567 |
|
568 |
#ifndef _WIN32 |
569 |
if (req->result >= 0) |
570 |
{ |
571 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
572 |
HV *hv = newHV (); |
573 |
|
574 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
575 |
|
576 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
577 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
578 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
579 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
580 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
581 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
582 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
583 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
584 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); |
585 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
586 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
587 |
} |
588 |
#endif |
589 |
|
590 |
PUSHs (rv); |
591 |
} |
592 |
|
593 |
break; |
594 |
|
595 |
case EIO_GROUP: |
596 |
req->int1 = 2; /* mark group as finished */ |
597 |
|
598 |
if (req->sv1) |
599 |
{ |
600 |
int i; |
601 |
AV *av = (AV *)req->sv1; |
602 |
|
603 |
EXTEND (SP, AvFILL (av) + 1); |
604 |
for (i = 0; i <= AvFILL (av); ++i) |
605 |
PUSHs (*av_fetch (av, i, 0)); |
606 |
} |
607 |
break; |
608 |
|
609 |
case EIO_NOP: |
610 |
case EIO_BUSY: |
611 |
break; |
612 |
|
613 |
case EIO_READLINK: |
614 |
case EIO_REALPATH: |
615 |
if (req->result > 0) |
616 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
617 |
break; |
618 |
|
619 |
case EIO_STAT: |
620 |
case EIO_LSTAT: |
621 |
case EIO_FSTAT: |
622 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
623 |
|
624 |
if (!(PL_laststatval = req->result)) |
625 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
626 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
627 |
|
628 |
PUSHs (sv_result); |
629 |
break; |
630 |
|
631 |
case EIO_READ: |
632 |
{ |
633 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
634 |
*SvEND (req->sv2) = 0; |
635 |
SvPOK_only (req->sv2); |
636 |
SvSETMAGIC (req->sv2); |
637 |
PUSHs (sv_result); |
638 |
} |
639 |
break; |
640 |
|
641 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
642 |
if (req->result > 0) |
643 |
SvIV_set (sv_result, 0); |
644 |
/* FALLTHROUGH */ |
645 |
|
646 |
default: |
647 |
PUSHs (sv_result); |
648 |
break; |
649 |
} |
650 |
|
651 |
errno = req->errorno; |
652 |
|
653 |
PUTBACK; |
654 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
655 |
SPAGAIN; |
656 |
|
657 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
658 |
SvREFCNT_dec (sv_result); |
659 |
else |
660 |
sv_result_cache = sv_result; |
661 |
|
662 |
FREETMPS; |
663 |
LEAVE; |
664 |
|
665 |
PUTBACK; |
666 |
} |
667 |
|
668 |
return !!SvTRUE (ERRSV); |
669 |
} |
670 |
|
671 |
static void req_destroy (aio_req req) |
672 |
{ |
673 |
if (req->self) |
674 |
{ |
675 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
676 |
SvREFCNT_dec (req->self); |
677 |
} |
678 |
|
679 |
SvREFCNT_dec (req->sv1); |
680 |
SvREFCNT_dec (req->sv2); |
681 |
SvREFCNT_dec (req->sv3); |
682 |
SvREFCNT_dec (req->sv4); |
683 |
SvREFCNT_dec (req->callback); |
684 |
|
685 |
Safefree (req); |
686 |
} |
687 |
|
688 |
static void req_cancel_subs (aio_req grp) |
689 |
{ |
690 |
if (grp->type != EIO_GROUP) |
691 |
return; |
692 |
|
693 |
SvREFCNT_dec (grp->sv2); |
694 |
grp->sv2 = 0; |
695 |
|
696 |
eio_grp_cancel (grp); |
697 |
} |
698 |
|
699 |
static void create_respipe (void) |
700 |
{ |
701 |
if (s_epipe_renew (&respipe)) |
702 |
croak ("IO::AIO: unable to initialize result pipe"); |
703 |
} |
704 |
|
705 |
static void poll_wait (void) |
706 |
{ |
707 |
while (eio_nreqs ()) |
708 |
{ |
709 |
int size; |
710 |
|
711 |
X_LOCK (reslock); |
712 |
size = res_queue.size; |
713 |
X_UNLOCK (reslock); |
714 |
|
715 |
if (size) |
716 |
return; |
717 |
|
718 |
etp_maybe_start_thread (); |
719 |
|
720 |
s_epipe_wait (&respipe); |
721 |
} |
722 |
} |
723 |
|
724 |
static int poll_cb (void) |
725 |
{ |
726 |
for (;;) |
727 |
{ |
728 |
int res = eio_poll (); |
729 |
|
730 |
if (res > 0) |
731 |
croak (0); |
732 |
|
733 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
734 |
return res; |
735 |
|
736 |
poll_wait (); |
737 |
} |
738 |
} |
739 |
|
740 |
static void ecb_cold |
741 |
reinit (void) |
742 |
{ |
743 |
create_respipe (); |
744 |
|
745 |
if (eio_init (want_poll, done_poll) < 0) |
746 |
croak ("IO::AIO: unable to initialise eio library"); |
747 |
} |
748 |
|
749 |
/*****************************************************************************/ |
750 |
|
751 |
#if !_POSIX_MAPPED_FILES |
752 |
# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
753 |
# define munmap(addr,length) (errno = ENOSYS, -1) |
754 |
#endif |
755 |
|
756 |
#if !_POSIX_MEMORY_PROTECTION |
757 |
# define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
758 |
# define PROT_NONE 0 |
759 |
# define PROT_WRITE 0 |
760 |
# define MAP_PRIVATE 0 |
761 |
# define MAP_SHARED 0 |
762 |
# define MAP_FIXED 0 |
763 |
#endif |
764 |
|
765 |
#define MMAP_MAGIC PERL_MAGIC_ext |
766 |
|
767 |
static int mmap_free (pTHX_ SV *sv, MAGIC *mg) |
768 |
{ |
769 |
int old_errno = errno; |
770 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
771 |
errno = old_errno; |
772 |
|
773 |
mg->mg_obj = 0; /* just in case */ |
774 |
|
775 |
SvREADONLY_off (sv); |
776 |
|
777 |
if (SvPVX (sv) != mg->mg_ptr) |
778 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
779 |
|
780 |
SvCUR_set (sv, 0); |
781 |
SvPVX (sv) = 0; |
782 |
SvOK_off (sv); |
783 |
|
784 |
return 0; |
785 |
} |
786 |
|
787 |
static MGVTBL mmap_vtbl = { |
788 |
0, 0, 0, 0, mmap_free |
789 |
}; |
790 |
|
791 |
/*****************************************************************************/ |
792 |
|
793 |
static SV * get_cb (SV *cb_sv) |
794 |
{ |
795 |
SvGETMAGIC (cb_sv); |
796 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
797 |
} |
798 |
|
799 |
#define dREQ \ |
800 |
SV *cb_cv; \ |
801 |
aio_req req; \ |
802 |
int req_pri = next_pri; \ |
803 |
next_pri = EIO_PRI_DEFAULT; \ |
804 |
\ |
805 |
cb_cv = get_cb (callback); \ |
806 |
\ |
807 |
Newz (0, req, 1, eio_req); \ |
808 |
if (!req) \ |
809 |
croak ("out of memory during eio_req allocation"); \ |
810 |
\ |
811 |
req->callback = SvREFCNT_inc (cb_cv); \ |
812 |
req->pri = req_pri |
813 |
|
814 |
#define REQ_SEND \ |
815 |
PUTBACK; \ |
816 |
req_submit (req); \ |
817 |
SPAGAIN; \ |
818 |
\ |
819 |
if (GIMME_V != G_VOID) \ |
820 |
XPUSHs (req_sv (req, aio_req_stash)); |
821 |
|
822 |
static void |
823 |
req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
824 |
{ |
825 |
if (expect_false (SvROK (path))) |
826 |
{ |
827 |
AV *av = (AV *)SvRV (path); |
828 |
SV *wdob; |
829 |
|
830 |
if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) |
831 |
croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); |
832 |
|
833 |
path = AvARRAY (av)[1]; |
834 |
wdob = AvARRAY (av)[0]; |
835 |
|
836 |
if (SvOK (wdob)) |
837 |
{ |
838 |
*wd = SvAIO_WD (wdob); |
839 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
840 |
} |
841 |
else |
842 |
*wd = EIO_INVALID_WD; |
843 |
} |
844 |
|
845 |
*pathsv = newSVsv (path); |
846 |
*ptr = SvPVbyte_nolen (*pathsv); |
847 |
} |
848 |
|
849 |
static void |
850 |
req_set_path1 (aio_req req, SV *path) |
851 |
{ |
852 |
req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
853 |
} |
854 |
|
855 |
static void |
856 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
857 |
{ |
858 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
859 |
|
860 |
switch (SvTYPE (rv)) |
861 |
{ |
862 |
case SVt_PVIO: |
863 |
case SVt_PVLV: |
864 |
case SVt_PVGV: |
865 |
req->type = type_fh; |
866 |
req->sv1 = newSVsv (fh_or_path); |
867 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
868 |
break; |
869 |
|
870 |
default: |
871 |
req->type = type_path; |
872 |
req_set_path1 (req, fh_or_path); |
873 |
break; |
874 |
} |
875 |
|
876 |
} |
877 |
|
878 |
MODULE = IO::AIO PACKAGE = IO::AIO |
879 |
|
880 |
PROTOTYPES: ENABLE |
881 |
|
882 |
BOOT: |
883 |
{ |
884 |
static const struct { |
885 |
const char *name; |
886 |
IV iv; |
887 |
} *civ, const_iv[] = { |
888 |
# define const_niv(name, value) { # name, (IV) value }, |
889 |
# define const_iv(name) { # name, (IV) name }, |
890 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
891 |
const_iv (EXDEV) |
892 |
const_iv (ENOSYS) |
893 |
const_iv (O_RDONLY) |
894 |
const_iv (O_WRONLY) |
895 |
const_iv (O_RDWR) |
896 |
const_iv (O_CREAT) |
897 |
const_iv (O_TRUNC) |
898 |
const_iv (O_EXCL) |
899 |
const_iv (O_APPEND) |
900 |
|
901 |
const_iv (O_ASYNC) |
902 |
const_iv (O_DIRECT) |
903 |
const_iv (O_NOATIME) |
904 |
|
905 |
const_iv (O_CLOEXEC) |
906 |
const_iv (O_NOCTTY) |
907 |
const_iv (O_NOFOLLOW) |
908 |
const_iv (O_NONBLOCK) |
909 |
const_iv (O_EXEC) |
910 |
const_iv (O_SEARCH) |
911 |
const_iv (O_DIRECTORY) |
912 |
const_iv (O_DSYNC) |
913 |
const_iv (O_RSYNC) |
914 |
const_iv (O_SYNC) |
915 |
const_iv (O_TTY_INIT) |
916 |
|
917 |
const_iv (S_IFIFO) |
918 |
const_iv (S_IFCHR) |
919 |
const_iv (S_IFBLK) |
920 |
const_iv (S_IFLNK) |
921 |
const_iv (S_IFREG) |
922 |
const_iv (S_IFDIR) |
923 |
const_iv (S_IFWHT) |
924 |
const_iv (S_IFSOCK) |
925 |
const_iv (S_IFMT) |
926 |
|
927 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
928 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
929 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
930 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
931 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
932 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
933 |
|
934 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
935 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
936 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
937 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
938 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
939 |
|
940 |
const_iv (ST_RDONLY) |
941 |
const_iv (ST_NOSUID) |
942 |
const_iv (ST_NODEV) |
943 |
const_iv (ST_NOEXEC) |
944 |
const_iv (ST_SYNCHRONOUS) |
945 |
const_iv (ST_MANDLOCK) |
946 |
const_iv (ST_WRITE) |
947 |
const_iv (ST_APPEND) |
948 |
const_iv (ST_IMMUTABLE) |
949 |
const_iv (ST_NOATIME) |
950 |
const_iv (ST_NODIRATIME) |
951 |
const_iv (ST_RELATIME) |
952 |
|
953 |
const_iv (PROT_NONE) |
954 |
const_iv (PROT_EXEC) |
955 |
const_iv (PROT_READ) |
956 |
const_iv (PROT_WRITE) |
957 |
|
958 |
/*const_iv (MAP_FIXED)*/ |
959 |
const_iv (MAP_PRIVATE) |
960 |
const_iv (MAP_SHARED) |
961 |
const_iv (MAP_ANONYMOUS) |
962 |
|
963 |
/* linuxish */ |
964 |
const_iv (MAP_HUGETLB) |
965 |
const_iv (MAP_LOCKED) |
966 |
const_iv (MAP_NORESERVE) |
967 |
const_iv (MAP_POPULATE) |
968 |
const_iv (MAP_NONBLOCK) |
969 |
|
970 |
const_eio (MCL_FUTURE) |
971 |
const_eio (MCL_CURRENT) |
972 |
|
973 |
const_eio (MS_ASYNC) |
974 |
const_eio (MS_INVALIDATE) |
975 |
const_eio (MS_SYNC) |
976 |
|
977 |
const_eio (MT_MODIFY) |
978 |
|
979 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
980 |
const_eio (SYNC_FILE_RANGE_WRITE) |
981 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
982 |
|
983 |
const_eio (FALLOC_FL_KEEP_SIZE) |
984 |
|
985 |
const_eio (READDIR_DENTS) |
986 |
const_eio (READDIR_DIRS_FIRST) |
987 |
const_eio (READDIR_STAT_ORDER) |
988 |
const_eio (READDIR_FOUND_UNKNOWN) |
989 |
|
990 |
const_eio (DT_UNKNOWN) |
991 |
const_eio (DT_FIFO) |
992 |
const_eio (DT_CHR) |
993 |
const_eio (DT_DIR) |
994 |
const_eio (DT_BLK) |
995 |
const_eio (DT_REG) |
996 |
const_eio (DT_LNK) |
997 |
const_eio (DT_SOCK) |
998 |
const_eio (DT_WHT) |
999 |
}; |
1000 |
|
1001 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
1002 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1003 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1004 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1005 |
|
1006 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1007 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1008 |
|
1009 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1010 |
|
1011 |
reinit (); |
1012 |
} |
1013 |
|
1014 |
void |
1015 |
reinit () |
1016 |
PROTOTYPE: |
1017 |
|
1018 |
void |
1019 |
max_poll_reqs (unsigned int nreqs) |
1020 |
PROTOTYPE: $ |
1021 |
CODE: |
1022 |
eio_set_max_poll_reqs (nreqs); |
1023 |
|
1024 |
void |
1025 |
max_poll_time (double nseconds) |
1026 |
PROTOTYPE: $ |
1027 |
CODE: |
1028 |
eio_set_max_poll_time (nseconds); |
1029 |
|
1030 |
void |
1031 |
min_parallel (unsigned int nthreads) |
1032 |
PROTOTYPE: $ |
1033 |
CODE: |
1034 |
eio_set_min_parallel (nthreads); |
1035 |
|
1036 |
void |
1037 |
max_parallel (unsigned int nthreads) |
1038 |
PROTOTYPE: $ |
1039 |
CODE: |
1040 |
eio_set_max_parallel (nthreads); |
1041 |
|
1042 |
void |
1043 |
max_idle (unsigned int nthreads) |
1044 |
PROTOTYPE: $ |
1045 |
CODE: |
1046 |
eio_set_max_idle (nthreads); |
1047 |
|
1048 |
void |
1049 |
idle_timeout (unsigned int seconds) |
1050 |
PROTOTYPE: $ |
1051 |
CODE: |
1052 |
eio_set_idle_timeout (seconds); |
1053 |
|
1054 |
void |
1055 |
max_outstanding (unsigned int maxreqs) |
1056 |
PROTOTYPE: $ |
1057 |
CODE: |
1058 |
max_outstanding = maxreqs; |
1059 |
|
1060 |
void |
1061 |
aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) |
1062 |
PPCODE: |
1063 |
{ |
1064 |
dREQ; |
1065 |
|
1066 |
req->type = EIO_WD_OPEN; |
1067 |
req_set_path1 (req, pathname); |
1068 |
|
1069 |
REQ_SEND; |
1070 |
} |
1071 |
|
1072 |
void |
1073 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
1074 |
PPCODE: |
1075 |
{ |
1076 |
dREQ; |
1077 |
|
1078 |
req->type = EIO_OPEN; |
1079 |
req_set_path1 (req, pathname); |
1080 |
req->int1 = flags; |
1081 |
req->int2 = mode; |
1082 |
|
1083 |
REQ_SEND; |
1084 |
} |
1085 |
|
1086 |
void |
1087 |
aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
1088 |
ALIAS: |
1089 |
aio_fsync = EIO_FSYNC |
1090 |
aio_fdatasync = EIO_FDATASYNC |
1091 |
aio_syncfs = EIO_SYNCFS |
1092 |
PPCODE: |
1093 |
{ |
1094 |
int fd = s_fileno_croak (fh, 0); |
1095 |
dREQ; |
1096 |
|
1097 |
req->type = ix; |
1098 |
req->sv1 = newSVsv (fh); |
1099 |
req->int1 = fd; |
1100 |
|
1101 |
REQ_SEND (req); |
1102 |
} |
1103 |
|
1104 |
void |
1105 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
1106 |
PPCODE: |
1107 |
{ |
1108 |
int fd = s_fileno_croak (fh, 0); |
1109 |
dREQ; |
1110 |
|
1111 |
req->type = EIO_SYNC_FILE_RANGE; |
1112 |
req->sv1 = newSVsv (fh); |
1113 |
req->int1 = fd; |
1114 |
req->offs = offset; |
1115 |
req->size = nbytes; |
1116 |
req->int2 = flags; |
1117 |
|
1118 |
REQ_SEND (req); |
1119 |
} |
1120 |
|
1121 |
void |
1122 |
aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) |
1123 |
PPCODE: |
1124 |
{ |
1125 |
int fd = s_fileno_croak (fh, 0); |
1126 |
dREQ; |
1127 |
|
1128 |
req->type = EIO_FALLOCATE; |
1129 |
req->sv1 = newSVsv (fh); |
1130 |
req->int1 = fd; |
1131 |
req->int2 = mode; |
1132 |
req->offs = offset; |
1133 |
req->size = len; |
1134 |
|
1135 |
REQ_SEND (req); |
1136 |
} |
1137 |
|
1138 |
void |
1139 |
aio_close (SV *fh, SV *callback=&PL_sv_undef) |
1140 |
PPCODE: |
1141 |
{ |
1142 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
1143 |
int fd = s_fileno_croak (fh, 0); |
1144 |
dREQ; |
1145 |
|
1146 |
if (expect_false (close_fd < 0)) |
1147 |
{ |
1148 |
int pipefd [2]; |
1149 |
|
1150 |
if ( |
1151 |
#ifdef _WIN32 |
1152 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1153 |
#else |
1154 |
pipe (pipefd) < 0 |
1155 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1156 |
#endif |
1157 |
|| close (pipefd [1]) < 0 |
1158 |
) |
1159 |
abort (); /*D*/ |
1160 |
|
1161 |
close_fd = pipefd [0]; |
1162 |
} |
1163 |
|
1164 |
req->type = EIO_DUP2; |
1165 |
req->int1 = close_fd; |
1166 |
req->sv2 = newSVsv (fh); |
1167 |
req->int2 = fd; |
1168 |
|
1169 |
REQ_SEND (req); |
1170 |
} |
1171 |
|
1172 |
void |
1173 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
1174 |
ALIAS: |
1175 |
aio_read = EIO_READ |
1176 |
aio_write = EIO_WRITE |
1177 |
PPCODE: |
1178 |
{ |
1179 |
STRLEN svlen; |
1180 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1181 |
char *svptr = SvPVbyte (data, svlen); |
1182 |
UV len = SvUV (length); |
1183 |
|
1184 |
if (dataoffset < 0) |
1185 |
dataoffset += svlen; |
1186 |
|
1187 |
if (dataoffset < 0 || dataoffset > svlen) |
1188 |
croak ("dataoffset outside of data scalar"); |
1189 |
|
1190 |
if (ix == EIO_WRITE) |
1191 |
{ |
1192 |
/* write: check length and adjust. */ |
1193 |
if (!SvOK (length) || len + dataoffset > svlen) |
1194 |
len = svlen - dataoffset; |
1195 |
} |
1196 |
else |
1197 |
{ |
1198 |
/* read: check type and grow scalar as necessary */ |
1199 |
SvUPGRADE (data, SVt_PV); |
1200 |
svptr = SvGROW (data, len + dataoffset + 1); |
1201 |
} |
1202 |
|
1203 |
{ |
1204 |
dREQ; |
1205 |
|
1206 |
req->type = ix; |
1207 |
req->sv1 = newSVsv (fh); |
1208 |
req->int1 = fd; |
1209 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1210 |
req->size = len; |
1211 |
req->sv2 = SvREFCNT_inc (data); |
1212 |
req->ptr2 = (char *)svptr + dataoffset; |
1213 |
req->stroffset = dataoffset; |
1214 |
|
1215 |
if (!SvREADONLY (data)) |
1216 |
{ |
1217 |
SvREADONLY_on (data); |
1218 |
req->flags |= FLAG_SV2_RO_OFF; |
1219 |
} |
1220 |
|
1221 |
REQ_SEND; |
1222 |
} |
1223 |
} |
1224 |
|
1225 |
void |
1226 |
aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1227 |
ALIAS: |
1228 |
aio_readlink = EIO_READLINK |
1229 |
aio_realpath = EIO_REALPATH |
1230 |
PPCODE: |
1231 |
{ |
1232 |
dREQ; |
1233 |
|
1234 |
req->type = ix; |
1235 |
req_set_path1 (req, pathname); |
1236 |
|
1237 |
REQ_SEND; |
1238 |
} |
1239 |
|
1240 |
void |
1241 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1242 |
PPCODE: |
1243 |
{ |
1244 |
int ifd = s_fileno_croak (in_fh , 0); |
1245 |
int ofd = s_fileno_croak (out_fh, 1); |
1246 |
dREQ; |
1247 |
|
1248 |
req->type = EIO_SENDFILE; |
1249 |
req->sv1 = newSVsv (out_fh); |
1250 |
req->int1 = ofd; |
1251 |
req->sv2 = newSVsv (in_fh); |
1252 |
req->int2 = ifd; |
1253 |
req->offs = in_offset; |
1254 |
req->size = length; |
1255 |
|
1256 |
REQ_SEND; |
1257 |
} |
1258 |
|
1259 |
void |
1260 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1261 |
PPCODE: |
1262 |
{ |
1263 |
int fd = s_fileno_croak (fh, 0); |
1264 |
dREQ; |
1265 |
|
1266 |
req->type = EIO_READAHEAD; |
1267 |
req->sv1 = newSVsv (fh); |
1268 |
req->int1 = fd; |
1269 |
req->offs = offset; |
1270 |
req->size = length; |
1271 |
|
1272 |
REQ_SEND; |
1273 |
} |
1274 |
|
1275 |
void |
1276 |
aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) |
1277 |
ALIAS: |
1278 |
aio_stat = EIO_STAT |
1279 |
aio_lstat = EIO_LSTAT |
1280 |
aio_statvfs = EIO_STATVFS |
1281 |
PPCODE: |
1282 |
{ |
1283 |
dREQ; |
1284 |
|
1285 |
req->sv1 = newSVsv (fh_or_path); |
1286 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1287 |
REQ_SEND; |
1288 |
} |
1289 |
|
1290 |
UV |
1291 |
major (UV dev) |
1292 |
ALIAS: |
1293 |
minor = 1 |
1294 |
CODE: |
1295 |
RETVAL = ix ? major (dev) : minor (dev); |
1296 |
OUTPUT: |
1297 |
RETVAL |
1298 |
|
1299 |
UV |
1300 |
makedev (UV maj, UV min) |
1301 |
CODE: |
1302 |
RETVAL = makedev (maj, min); |
1303 |
OUTPUT: |
1304 |
RETVAL |
1305 |
|
1306 |
void |
1307 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) |
1308 |
PPCODE: |
1309 |
{ |
1310 |
dREQ; |
1311 |
|
1312 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1313 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1314 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1315 |
|
1316 |
REQ_SEND; |
1317 |
} |
1318 |
|
1319 |
void |
1320 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) |
1321 |
PPCODE: |
1322 |
{ |
1323 |
dREQ; |
1324 |
|
1325 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1326 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1327 |
|
1328 |
REQ_SEND; |
1329 |
} |
1330 |
|
1331 |
void |
1332 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) |
1333 |
ALIAS: |
1334 |
aio_chmod = EIO_CHMOD |
1335 |
aio_mkdir = EIO_MKDIR |
1336 |
PPCODE: |
1337 |
{ |
1338 |
dREQ; |
1339 |
|
1340 |
req->int2 = mode; |
1341 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1342 |
|
1343 |
REQ_SEND; |
1344 |
} |
1345 |
|
1346 |
void |
1347 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) |
1348 |
PPCODE: |
1349 |
{ |
1350 |
dREQ; |
1351 |
|
1352 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1353 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1354 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1355 |
|
1356 |
REQ_SEND; |
1357 |
} |
1358 |
|
1359 |
void |
1360 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) |
1361 |
PPCODE: |
1362 |
{ |
1363 |
dREQ; |
1364 |
|
1365 |
req->type = EIO_READDIR; |
1366 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1367 |
|
1368 |
if (flags & EIO_READDIR_DENTS) |
1369 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1370 |
|
1371 |
req_set_path1 (req, pathname); |
1372 |
|
1373 |
REQ_SEND; |
1374 |
} |
1375 |
|
1376 |
void |
1377 |
aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) |
1378 |
ALIAS: |
1379 |
aio_unlink = EIO_UNLINK |
1380 |
aio_rmdir = EIO_RMDIR |
1381 |
aio_readdir = EIO_READDIR |
1382 |
PPCODE: |
1383 |
{ |
1384 |
dREQ; |
1385 |
|
1386 |
req->type = ix; |
1387 |
req_set_path1 (req, pathname); |
1388 |
|
1389 |
REQ_SEND; |
1390 |
} |
1391 |
|
1392 |
void |
1393 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) |
1394 |
ALIAS: |
1395 |
aio_link = EIO_LINK |
1396 |
aio_symlink = EIO_SYMLINK |
1397 |
aio_rename = EIO_RENAME |
1398 |
PPCODE: |
1399 |
{ |
1400 |
dREQ; |
1401 |
eio_wd wd2; |
1402 |
|
1403 |
req->type = ix; |
1404 |
req_set_path1 (req, oldpath); |
1405 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
1406 |
req->int3 = (long)wd2; |
1407 |
|
1408 |
REQ_SEND; |
1409 |
} |
1410 |
|
1411 |
void |
1412 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) |
1413 |
PPCODE: |
1414 |
{ |
1415 |
dREQ; |
1416 |
|
1417 |
req->type = EIO_MKNOD; |
1418 |
req->int2 = (mode_t)mode; |
1419 |
req->offs = dev; |
1420 |
req_set_path1 (req, pathname); |
1421 |
|
1422 |
REQ_SEND; |
1423 |
} |
1424 |
|
1425 |
void |
1426 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1427 |
ALIAS: |
1428 |
aio_mtouch = EIO_MTOUCH |
1429 |
aio_msync = EIO_MSYNC |
1430 |
PPCODE: |
1431 |
{ |
1432 |
STRLEN svlen; |
1433 |
char *svptr = SvPVbyte (data, svlen); |
1434 |
UV len = SvUV (length); |
1435 |
|
1436 |
if (offset < 0) |
1437 |
offset += svlen; |
1438 |
|
1439 |
if (offset < 0 || offset > svlen) |
1440 |
croak ("offset outside of scalar"); |
1441 |
|
1442 |
if (!SvOK (length) || len + offset > svlen) |
1443 |
len = svlen - offset; |
1444 |
|
1445 |
{ |
1446 |
dREQ; |
1447 |
|
1448 |
req->type = ix; |
1449 |
req->sv2 = SvREFCNT_inc (data); |
1450 |
req->ptr2 = (char *)svptr + offset; |
1451 |
req->size = len; |
1452 |
req->int1 = flags; |
1453 |
|
1454 |
REQ_SEND; |
1455 |
} |
1456 |
} |
1457 |
|
1458 |
void |
1459 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
1460 |
PPCODE: |
1461 |
{ |
1462 |
STRLEN svlen; |
1463 |
char *svptr = SvPVbyte (data, svlen); |
1464 |
UV len = SvUV (length); |
1465 |
|
1466 |
if (offset < 0) |
1467 |
offset += svlen; |
1468 |
|
1469 |
if (offset < 0 || offset > svlen) |
1470 |
croak ("offset outside of scalar"); |
1471 |
|
1472 |
if (!SvOK (length) || len + offset > svlen) |
1473 |
len = svlen - offset; |
1474 |
|
1475 |
{ |
1476 |
dREQ; |
1477 |
|
1478 |
req->type = EIO_MLOCK; |
1479 |
req->sv2 = SvREFCNT_inc (data); |
1480 |
req->ptr2 = (char *)svptr + offset; |
1481 |
req->size = len; |
1482 |
|
1483 |
REQ_SEND; |
1484 |
} |
1485 |
} |
1486 |
|
1487 |
void |
1488 |
aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
1489 |
PPCODE: |
1490 |
{ |
1491 |
dREQ; |
1492 |
|
1493 |
req->type = EIO_MLOCKALL; |
1494 |
req->int1 = flags; |
1495 |
|
1496 |
REQ_SEND; |
1497 |
} |
1498 |
|
1499 |
void |
1500 |
aio_busy (double delay, SV *callback=&PL_sv_undef) |
1501 |
PPCODE: |
1502 |
{ |
1503 |
dREQ; |
1504 |
|
1505 |
req->type = EIO_BUSY; |
1506 |
req->nv1 = delay < 0. ? 0. : delay; |
1507 |
|
1508 |
REQ_SEND; |
1509 |
} |
1510 |
|
1511 |
void |
1512 |
aio_group (SV *callback=&PL_sv_undef) |
1513 |
PPCODE: |
1514 |
{ |
1515 |
dREQ; |
1516 |
|
1517 |
req->type = EIO_GROUP; |
1518 |
|
1519 |
req_submit (req); |
1520 |
XPUSHs (req_sv (req, aio_grp_stash)); |
1521 |
} |
1522 |
|
1523 |
void |
1524 |
aio_nop (SV *callback=&PL_sv_undef) |
1525 |
ALIAS: |
1526 |
aio_nop = EIO_NOP |
1527 |
aio_sync = EIO_SYNC |
1528 |
PPCODE: |
1529 |
{ |
1530 |
dREQ; |
1531 |
|
1532 |
req->type = ix; |
1533 |
|
1534 |
REQ_SEND; |
1535 |
} |
1536 |
|
1537 |
int |
1538 |
aioreq_pri (int pri = 0) |
1539 |
CODE: |
1540 |
RETVAL = next_pri; |
1541 |
if (items > 0) |
1542 |
{ |
1543 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1544 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
1545 |
next_pri = pri; |
1546 |
} |
1547 |
OUTPUT: |
1548 |
RETVAL |
1549 |
|
1550 |
void |
1551 |
aioreq_nice (int nice = 0) |
1552 |
CODE: |
1553 |
nice = next_pri - nice; |
1554 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
1555 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1556 |
next_pri = nice; |
1557 |
|
1558 |
void |
1559 |
flush () |
1560 |
CODE: |
1561 |
while (eio_nreqs ()) |
1562 |
{ |
1563 |
poll_wait (); |
1564 |
poll_cb (); |
1565 |
} |
1566 |
|
1567 |
int |
1568 |
poll () |
1569 |
CODE: |
1570 |
poll_wait (); |
1571 |
RETVAL = poll_cb (); |
1572 |
OUTPUT: |
1573 |
RETVAL |
1574 |
|
1575 |
int |
1576 |
poll_fileno () |
1577 |
CODE: |
1578 |
RETVAL = s_epipe_fd (&respipe); |
1579 |
OUTPUT: |
1580 |
RETVAL |
1581 |
|
1582 |
int |
1583 |
poll_cb (...) |
1584 |
PROTOTYPE: |
1585 |
CODE: |
1586 |
RETVAL = poll_cb (); |
1587 |
OUTPUT: |
1588 |
RETVAL |
1589 |
|
1590 |
void |
1591 |
poll_wait () |
1592 |
CODE: |
1593 |
poll_wait (); |
1594 |
|
1595 |
int |
1596 |
nreqs () |
1597 |
CODE: |
1598 |
RETVAL = eio_nreqs (); |
1599 |
OUTPUT: |
1600 |
RETVAL |
1601 |
|
1602 |
int |
1603 |
nready () |
1604 |
CODE: |
1605 |
RETVAL = eio_nready (); |
1606 |
OUTPUT: |
1607 |
RETVAL |
1608 |
|
1609 |
int |
1610 |
npending () |
1611 |
CODE: |
1612 |
RETVAL = eio_npending (); |
1613 |
OUTPUT: |
1614 |
RETVAL |
1615 |
|
1616 |
int |
1617 |
nthreads () |
1618 |
CODE: |
1619 |
RETVAL = eio_nthreads (); |
1620 |
OUTPUT: |
1621 |
RETVAL |
1622 |
|
1623 |
int |
1624 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1625 |
CODE: |
1626 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
1627 |
OUTPUT: |
1628 |
RETVAL |
1629 |
|
1630 |
IV |
1631 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1632 |
CODE: |
1633 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1634 |
OUTPUT: |
1635 |
RETVAL |
1636 |
|
1637 |
void |
1638 |
mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1639 |
PPCODE: |
1640 |
sv_unmagic (scalar, MMAP_MAGIC); |
1641 |
{ |
1642 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1643 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1644 |
if (addr == (void *)-1) |
1645 |
XSRETURN_NO; |
1646 |
|
1647 |
sv_force_normal (scalar); |
1648 |
|
1649 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
1650 |
sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1651 |
->mg_obj = (SV *)length; |
1652 |
|
1653 |
SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1654 |
|
1655 |
if (!(prot & PROT_WRITE)) |
1656 |
SvREADONLY_on (scalar); |
1657 |
|
1658 |
if (SvLEN (scalar)) |
1659 |
Safefree (SvPVX (scalar)); |
1660 |
|
1661 |
SvPVX (scalar) = (char *)addr; |
1662 |
SvCUR_set (scalar, length); |
1663 |
SvLEN_set (scalar, 0); |
1664 |
SvPOK_only (scalar); |
1665 |
|
1666 |
XSRETURN_YES; |
1667 |
} |
1668 |
|
1669 |
void |
1670 |
munmap (SV *scalar) |
1671 |
CODE: |
1672 |
sv_unmagic (scalar, MMAP_MAGIC); |
1673 |
|
1674 |
int |
1675 |
madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1676 |
ALIAS: |
1677 |
mprotect = 1 |
1678 |
CODE: |
1679 |
{ |
1680 |
STRLEN svlen; |
1681 |
void *addr = SvPVbyte (scalar, svlen); |
1682 |
size_t len = SvUV (length); |
1683 |
|
1684 |
if (offset < 0) |
1685 |
offset += svlen; |
1686 |
|
1687 |
if (offset < 0 || offset > svlen) |
1688 |
croak ("offset outside of scalar"); |
1689 |
|
1690 |
if (!SvOK (length) || len + offset > svlen) |
1691 |
len = svlen - offset; |
1692 |
|
1693 |
addr = (void *)(((intptr_t)addr) + offset); |
1694 |
eio_page_align (&addr, &len); |
1695 |
|
1696 |
switch (ix) |
1697 |
{ |
1698 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1699 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1700 |
} |
1701 |
} |
1702 |
OUTPUT: |
1703 |
RETVAL |
1704 |
|
1705 |
int |
1706 |
munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1707 |
CODE: |
1708 |
{ |
1709 |
STRLEN svlen; |
1710 |
void *addr = SvPVbyte (scalar, svlen); |
1711 |
size_t len = SvUV (length); |
1712 |
|
1713 |
if (offset < 0) |
1714 |
offset += svlen; |
1715 |
|
1716 |
if (offset < 0 || offset > svlen) |
1717 |
croak ("offset outside of scalar"); |
1718 |
|
1719 |
if (!SvOK (length) || len + offset > svlen) |
1720 |
len = svlen - offset; |
1721 |
|
1722 |
addr = (void *)(((intptr_t)addr) + offset); |
1723 |
eio_page_align (&addr, &len); |
1724 |
#if _POSIX_MEMLOCK_RANGE |
1725 |
RETVAL = munlock (addr, len); |
1726 |
#else |
1727 |
RETVAL = ((errno = ENOSYS), -1); |
1728 |
#endif |
1729 |
} |
1730 |
OUTPUT: |
1731 |
RETVAL |
1732 |
|
1733 |
int |
1734 |
munlockall () |
1735 |
CODE: |
1736 |
#if _POSIX_MEMLOCK |
1737 |
munlockall (); |
1738 |
#else |
1739 |
RETVAL = -1; |
1740 |
errno = ENOSYS; |
1741 |
#endif |
1742 |
OUTPUT: |
1743 |
RETVAL |
1744 |
|
1745 |
void _on_next_submit (SV *cb) |
1746 |
CODE: |
1747 |
SvREFCNT_dec (on_next_submit); |
1748 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1749 |
|
1750 |
PROTOTYPES: DISABLE |
1751 |
|
1752 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
1753 |
|
1754 |
BOOT: |
1755 |
{ |
1756 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
1757 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
1758 |
} |
1759 |
|
1760 |
void |
1761 |
DESTROY (SV *self) |
1762 |
CODE: |
1763 |
{ |
1764 |
aio_wd wd = SvAIO_WD (self); |
1765 |
#if HAVE_AT |
1766 |
SV *callback = &PL_sv_undef; |
1767 |
dREQ; /* clobbers next_pri :/ */ |
1768 |
req->type = EIO_WD_CLOSE; |
1769 |
req->wd = wd; |
1770 |
REQ_SEND; |
1771 |
#else |
1772 |
eio_wd_close_sync (wd); |
1773 |
#endif |
1774 |
} |
1775 |
|
1776 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1777 |
|
1778 |
void |
1779 |
cancel (aio_req_ornot req) |
1780 |
CODE: |
1781 |
eio_cancel (req); |
1782 |
|
1783 |
void |
1784 |
cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1785 |
PPCODE: |
1786 |
{ |
1787 |
if (GIMME_V != G_VOID) |
1788 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
1789 |
|
1790 |
if (items > 1) |
1791 |
{ |
1792 |
SV *cb_cv =get_cb (callback); |
1793 |
|
1794 |
SvREFCNT_dec (req->callback); |
1795 |
req->callback = SvREFCNT_inc (cb_cv); |
1796 |
} |
1797 |
} |
1798 |
|
1799 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1800 |
|
1801 |
void |
1802 |
add (aio_req grp, ...) |
1803 |
PPCODE: |
1804 |
{ |
1805 |
int i; |
1806 |
|
1807 |
if (grp->int1 == 2) |
1808 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
1809 |
|
1810 |
for (i = 1; i < items; ++i ) |
1811 |
{ |
1812 |
aio_req req; |
1813 |
|
1814 |
if (GIMME_V != G_VOID) |
1815 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
1816 |
|
1817 |
req = SvAIO_REQ (ST (i)); |
1818 |
|
1819 |
if (req) |
1820 |
eio_grp_add (grp, req); |
1821 |
} |
1822 |
} |
1823 |
|
1824 |
void |
1825 |
cancel_subs (aio_req_ornot req) |
1826 |
CODE: |
1827 |
req_cancel_subs (req); |
1828 |
|
1829 |
void |
1830 |
result (aio_req grp, ...) |
1831 |
CODE: |
1832 |
{ |
1833 |
int i; |
1834 |
AV *av; |
1835 |
|
1836 |
grp->errorno = errno; |
1837 |
|
1838 |
av = newAV (); |
1839 |
av_extend (av, items - 1); |
1840 |
|
1841 |
for (i = 1; i < items; ++i ) |
1842 |
av_push (av, newSVsv (ST (i))); |
1843 |
|
1844 |
SvREFCNT_dec (grp->sv1); |
1845 |
grp->sv1 = (SV *)av; |
1846 |
} |
1847 |
|
1848 |
void |
1849 |
errno (aio_req grp, int errorno = errno) |
1850 |
CODE: |
1851 |
grp->errorno = errorno; |
1852 |
|
1853 |
void |
1854 |
limit (aio_req grp, int limit) |
1855 |
CODE: |
1856 |
eio_grp_limit (grp, limit); |
1857 |
|
1858 |
void |
1859 |
feed (aio_req grp, SV *callback=&PL_sv_undef) |
1860 |
CODE: |
1861 |
{ |
1862 |
SvREFCNT_dec (grp->sv2); |
1863 |
grp->sv2 = newSVsv (callback); |
1864 |
grp->feed = aio_grp_feed; |
1865 |
|
1866 |
if (grp->int2 <= 0) |
1867 |
grp->int2 = 2; |
1868 |
|
1869 |
eio_grp_limit (grp, grp->int2); |
1870 |
} |
1871 |
|