1 |
#include "libeio/xthread.h" |
2 |
|
3 |
#include <errno.h> |
4 |
|
5 |
#include "EXTERN.h" |
6 |
#include "perl.h" |
7 |
#include "XSUB.h" |
8 |
#include "perliol.h" |
9 |
|
10 |
#if !defined mg_findext |
11 |
# define mg_findext(sv,type,vtbl) mg_find (sv, type) |
12 |
#endif |
13 |
|
14 |
#include <stddef.h> |
15 |
#include <stdlib.h> |
16 |
#include <errno.h> |
17 |
#include <sys/types.h> |
18 |
#include <sys/socket.h> |
19 |
#include <sys/stat.h> |
20 |
#include <limits.h> |
21 |
#include <fcntl.h> |
22 |
#include <sched.h> |
23 |
|
24 |
/* the incompetent fool that created musl keeps __linux__, refuses |
25 |
* to implement any linux standard apis, and also has no way to test |
26 |
* for his broken iplementation. don't complain to me if this fails |
27 |
* for you. |
28 |
*/ |
29 |
#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) |
30 |
# include <linux/fs.h> |
31 |
# ifdef FS_IOC_FIEMAP |
32 |
# include <linux/types.h> |
33 |
# include <linux/fiemap.h> |
34 |
# define HAVE_FIEMAP 1 |
35 |
# endif |
36 |
#endif |
37 |
|
38 |
/* perl namespace pollution */ |
39 |
#undef VERSION |
40 |
|
41 |
/* perl stupidly overrides readdir and maybe others */ |
42 |
/* with thread-unsafe versions, imagine that :( */ |
43 |
#undef readdir |
44 |
#undef opendir |
45 |
#undef closedir |
46 |
|
47 |
#ifdef _WIN32 |
48 |
|
49 |
// perl overrides all those nice libc functions |
50 |
|
51 |
#undef malloc |
52 |
#undef free |
53 |
#undef open |
54 |
#undef read |
55 |
#undef write |
56 |
#undef send |
57 |
#undef recv |
58 |
#undef stat |
59 |
#undef lstat |
60 |
#undef fstat |
61 |
#undef truncate |
62 |
#undef ftruncate |
63 |
#undef open |
64 |
#undef link |
65 |
#undef close |
66 |
#undef unlink |
67 |
#undef mkdir |
68 |
#undef rmdir |
69 |
#undef rename |
70 |
#undef lseek |
71 |
#undef opendir |
72 |
#undef readdir |
73 |
#undef closedir |
74 |
#undef chmod |
75 |
#undef fchmod |
76 |
#undef dup |
77 |
#undef dup2 |
78 |
#undef abort |
79 |
#undef pipe |
80 |
#undef utime |
81 |
|
82 |
#define EIO_STRUCT_STAT struct _stati64 |
83 |
#define EIO_STRUCT_STATI64 |
84 |
|
85 |
#else |
86 |
|
87 |
#include <sys/time.h> |
88 |
#include <sys/select.h> |
89 |
#include <sys/wait.h> |
90 |
#include <unistd.h> |
91 |
#include <utime.h> |
92 |
#include <signal.h> |
93 |
|
94 |
#define EIO_STRUCT_STAT Stat_t |
95 |
|
96 |
#endif |
97 |
|
98 |
/*****************************************************************************/ |
99 |
|
100 |
#if __GNUC__ >= 3 |
101 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
102 |
#else |
103 |
# define expect(expr,value) (expr) |
104 |
#endif |
105 |
|
106 |
#define expect_false(expr) expect ((expr) != 0, 0) |
107 |
#define expect_true(expr) expect ((expr) != 0, 1) |
108 |
|
109 |
/*****************************************************************************/ |
110 |
|
111 |
#include "config.h" |
112 |
|
113 |
#if HAVE_SYS_MKDEV_H |
114 |
# include <sys/mkdev.h> |
115 |
#elif HAVE_SYS_SYSMACROS_H |
116 |
# include <sys/sysmacros.h> |
117 |
#endif |
118 |
|
119 |
#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES |
120 |
# include <sys/mman.h> |
121 |
#endif |
122 |
|
123 |
#if HAVE_SYS_UIO_H |
124 |
# include <sys/uio.h> |
125 |
#endif |
126 |
|
127 |
#if HAVE_ST_XTIMENSEC |
128 |
# define ATIMENSEC PL_statcache.st_atimensec |
129 |
# define MTIMENSEC PL_statcache.st_mtimensec |
130 |
# define CTIMENSEC PL_statcache.st_ctimensec |
131 |
#elif HAVE_ST_XTIMESPEC |
132 |
# define ATIMENSEC PL_statcache.st_atim.tv_nsec |
133 |
# define MTIMENSEC PL_statcache.st_mtim.tv_nsec |
134 |
# define CTIMENSEC PL_statcache.st_ctim.tv_nsec |
135 |
#else |
136 |
# define ATIMENSEC 0 |
137 |
# define MTIMENSEC 0 |
138 |
# define CTIMENSEC 0 |
139 |
#endif |
140 |
|
141 |
#if HAVE_ST_BIRTHTIMENSEC |
142 |
# define BTIMESEC PL_statcache.st_birthtime |
143 |
# define BTIMENSEC PL_statcache.st_birthtimensec |
144 |
#elif HAVE_ST_BIRTHTIMESPEC |
145 |
# define BTIMESEC PL_statcache.st_birthtim.tv_sec |
146 |
# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec |
147 |
#else |
148 |
# define BTIMESEC 0 |
149 |
# define BTIMENSEC 0 |
150 |
#endif |
151 |
|
152 |
#if HAVE_ST_GEN |
153 |
# define ST_GEN PL_statcache.st_gen |
154 |
#else |
155 |
# define ST_GEN 0 |
156 |
#endif |
157 |
|
158 |
#include "schmorp.h" |
159 |
|
160 |
#if HAVE_EVENTFD |
161 |
# include <sys/eventfd.h> |
162 |
#endif |
163 |
|
164 |
#if HAVE_TIMERFD |
165 |
# include <sys/timerfd.h> |
166 |
#endif |
167 |
|
168 |
#if HAVE_RLIMITS |
169 |
#include <sys/time.h> |
170 |
#include <sys/resource.h> |
171 |
#endif |
172 |
|
173 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
174 |
typedef int aio_rfd; /* read file desriptor */ |
175 |
typedef int aio_wfd; /* write file descriptor */ |
176 |
|
177 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
178 |
|
179 |
#define EIO_REQ_MEMBERS \ |
180 |
SV *callback; \ |
181 |
SV *sv1, *sv2; \ |
182 |
SV *sv3, *sv4; \ |
183 |
STRLEN stroffset; \ |
184 |
SV *self; |
185 |
|
186 |
#define EIO_NO_WRAPPERS 1 |
187 |
|
188 |
#include "libeio/eio.h" |
189 |
|
190 |
static int req_invoke (eio_req *req); |
191 |
#define EIO_FINISH(req) req_invoke (req) |
192 |
static void req_destroy (eio_req *grp); |
193 |
#define EIO_DESTROY(req) req_destroy (req) |
194 |
|
195 |
#include "libeio/eio.c" |
196 |
|
197 |
#if !HAVE_POSIX_FADVISE |
198 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
199 |
#endif |
200 |
|
201 |
#if !HAVE_POSIX_MADVISE |
202 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
203 |
#endif |
204 |
|
205 |
#ifndef MAP_ANONYMOUS |
206 |
# ifdef MAP_ANON |
207 |
# define MAP_ANONYMOUS MAP_ANON |
208 |
# else |
209 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
210 |
# endif |
211 |
#endif |
212 |
|
213 |
#ifndef makedev |
214 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
215 |
#endif |
216 |
#ifndef major |
217 |
# define major(dev) ((dev) >> 8) |
218 |
#endif |
219 |
#ifndef minor |
220 |
# define minor(dev) ((dev) & 0xff) |
221 |
#endif |
222 |
|
223 |
/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */ |
224 |
#ifdef __sun |
225 |
# undef PAGESIZE |
226 |
#endif |
227 |
|
228 |
#if PAGESIZE <= 0 |
229 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
230 |
#endif |
231 |
|
232 |
/* solaris perl seems to declare a wrong syscall function that clashes with system includes */ |
233 |
#ifdef __sun |
234 |
# undef HAVE_SYSCALL |
235 |
#endif |
236 |
|
237 |
#if HAVE_SYSCALL |
238 |
#include <sys/syscall.h> |
239 |
#else |
240 |
# define syscall(nr,...) (errno = ENOSYS, -1) |
241 |
#endif |
242 |
|
243 |
/*****************************************************************************/ |
244 |
|
245 |
#if !_POSIX_MAPPED_FILES |
246 |
# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1) |
247 |
# define munmap(addr,length) EIO_ENOSYS () |
248 |
#endif |
249 |
|
250 |
#if !_POSIX_MEMORY_PROTECTION |
251 |
# define mprotect(addr,len,prot) EIO_ENOSYS () |
252 |
#endif |
253 |
|
254 |
#if !MREMAP_MAYMOVE |
255 |
# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1) |
256 |
#endif |
257 |
|
258 |
#define FOREIGN_MAGIC PERL_MAGIC_ext |
259 |
|
260 |
static int ecb_cold |
261 |
mmap_free (pTHX_ SV *sv, MAGIC *mg) |
262 |
{ |
263 |
int old_errno = errno; |
264 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
265 |
errno = old_errno; |
266 |
|
267 |
mg->mg_obj = 0; /* just in case */ |
268 |
|
269 |
SvREADONLY_off (sv); |
270 |
|
271 |
if (SvPVX (sv) != mg->mg_ptr) |
272 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
273 |
|
274 |
SvCUR_set (sv, 0); |
275 |
SvPVX (sv) = 0; |
276 |
SvOK_off (sv); |
277 |
|
278 |
return 0; |
279 |
} |
280 |
|
281 |
static MGVTBL mmap_vtbl = { |
282 |
0, 0, 0, 0, mmap_free |
283 |
}; |
284 |
|
285 |
static int ecb_cold |
286 |
sysfree_free (pTHX_ SV *sv, MAGIC *mg) |
287 |
{ |
288 |
free (mg->mg_ptr); |
289 |
mg->mg_obj = 0; /* just in case */ |
290 |
|
291 |
SvREADONLY_off (sv); |
292 |
|
293 |
if (SvPVX (sv) != mg->mg_ptr) |
294 |
croak ("ERROR: IO::AIO mapped scalar changed location, detected"); |
295 |
|
296 |
SvCUR_set (sv, 0); |
297 |
SvPVX (sv) = 0; |
298 |
SvOK_off (sv); |
299 |
|
300 |
return 0; |
301 |
} |
302 |
|
303 |
static MGVTBL sysfree_vtbl = { |
304 |
0, 0, 0, 0, sysfree_free |
305 |
}; |
306 |
|
307 |
/*****************************************************************************/ |
308 |
|
309 |
/* helper: set scalar to foreign ptr with custom free */ |
310 |
ecb_noinline |
311 |
static void |
312 |
sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length) |
313 |
{ |
314 |
sv_force_normal (sv); |
315 |
|
316 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
317 |
sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0) |
318 |
->mg_obj = (SV *)length; |
319 |
|
320 |
SvUPGRADE (sv, SVt_PV); /* nop... */ |
321 |
|
322 |
if (SvLEN (sv)) |
323 |
Safefree (SvPVX (sv)); |
324 |
|
325 |
SvPVX (sv) = (char *)addr; |
326 |
SvCUR_set (sv, length); |
327 |
SvLEN_set (sv, 0); |
328 |
SvPOK_only (sv); |
329 |
} |
330 |
|
331 |
static void |
332 |
sv_clear_foreign (SV *sv) |
333 |
{ |
334 |
/* todo: iterate over magic and only free ours, but of course */ |
335 |
/* the perl5porters will call that (correct) behaviour buggy */ |
336 |
sv_unmagic (sv, FOREIGN_MAGIC); |
337 |
} |
338 |
|
339 |
/*****************************************************************************/ |
340 |
|
341 |
/* defines all sorts of constants to 0 unless they are already defined */ |
342 |
/* also provides const_iv_ and const_niv_ macros for them */ |
343 |
#include "def0.h" |
344 |
|
345 |
/*****************************************************************************/ |
346 |
|
347 |
static void |
348 |
fiemap (eio_req *req) |
349 |
{ |
350 |
req->result = -1; |
351 |
|
352 |
#if HAVE_FIEMAP |
353 |
/* assume some c99 */ |
354 |
struct fiemap *fiemap = 0; |
355 |
size_t end_offset; |
356 |
int count = req->int3; |
357 |
|
358 |
req->flags |= EIO_FLAG_PTR1_FREE; |
359 |
|
360 |
/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
361 |
/* increase in fixed steps */ |
362 |
if (count < 0) |
363 |
count = 8; |
364 |
|
365 |
fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
366 |
errno = ENOMEM; |
367 |
if (!fiemap) |
368 |
return; |
369 |
|
370 |
req->ptr1 = fiemap; |
371 |
|
372 |
fiemap->fm_start = req->offs; |
373 |
fiemap->fm_length = req->size; |
374 |
fiemap->fm_flags = req->int2; |
375 |
fiemap->fm_extent_count = count; |
376 |
|
377 |
if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
378 |
return; |
379 |
|
380 |
if (req->int3 >= 0 /* not autosizing */ |
381 |
|| !fiemap->fm_mapped_extents /* no more extents */ |
382 |
|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
383 |
goto done; |
384 |
|
385 |
/* else we have to loop - |
386 |
* it would be tempting (actually I tried that first) to just query the |
387 |
* number of extents needed, but linux often feels like not returning all |
388 |
* extents, without telling us it left any out. this complicates |
389 |
* this quite a bit. |
390 |
*/ |
391 |
|
392 |
end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
393 |
|
394 |
for (;;) |
395 |
{ |
396 |
/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
397 |
char scratch[3072]; |
398 |
struct fiemap *incmap = (struct fiemap *)scratch; |
399 |
|
400 |
incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
401 |
+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
402 |
incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
403 |
incmap->fm_flags = fiemap->fm_flags; |
404 |
incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
405 |
|
406 |
if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
407 |
return; |
408 |
|
409 |
if (!incmap->fm_mapped_extents) |
410 |
goto done; |
411 |
|
412 |
count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
413 |
fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
414 |
errno = ENOMEM; |
415 |
if (!fiemap) |
416 |
return; |
417 |
|
418 |
req->ptr1 = fiemap; |
419 |
|
420 |
for (count = 0; count < incmap->fm_mapped_extents; ++count) |
421 |
{ |
422 |
struct fiemap_extent *e = incmap->fm_extents + count; |
423 |
|
424 |
fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
425 |
|
426 |
if (e->fe_logical >= end_offset) |
427 |
goto done; |
428 |
|
429 |
if (e->fe_flags & FIEMAP_EXTENT_LAST) |
430 |
goto done; |
431 |
|
432 |
} |
433 |
} |
434 |
|
435 |
done: |
436 |
req->result = 0; |
437 |
|
438 |
#else |
439 |
errno = ENOSYS; |
440 |
#endif |
441 |
} |
442 |
|
443 |
/*****************************************************************************/ |
444 |
|
445 |
static int close_fd; /* dummy fd to close fds via dup2 */ |
446 |
|
447 |
#if HAVE_STATX |
448 |
static struct statx stx; |
449 |
#define statx_offsetof(member) offsetof (struct statx, member) |
450 |
#define eio__statx statx |
451 |
#else |
452 |
#define statx_offsetof(member) 0 |
453 |
#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS() |
454 |
#endif |
455 |
|
456 |
enum { |
457 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
458 |
}; |
459 |
|
460 |
typedef eio_req *aio_req; |
461 |
typedef eio_req *aio_req_ornot; |
462 |
typedef eio_wd aio_wd; |
463 |
|
464 |
static SV *on_next_submit; |
465 |
static int next_pri = EIO_PRI_DEFAULT; |
466 |
static int max_outstanding; |
467 |
|
468 |
static s_epipe respipe; |
469 |
|
470 |
static void req_destroy (aio_req req); |
471 |
static void req_cancel (aio_req req); |
472 |
|
473 |
static void |
474 |
want_poll (void) |
475 |
{ |
476 |
/* write a dummy byte to the pipe so fh becomes ready */ |
477 |
s_epipe_signal (&respipe); |
478 |
} |
479 |
|
480 |
static void |
481 |
done_poll (void) |
482 |
{ |
483 |
/* read any signals sent by the worker threads */ |
484 |
s_epipe_drain (&respipe); |
485 |
} |
486 |
|
487 |
/* must be called at most once */ |
488 |
ecb_noinline |
489 |
static SV * |
490 |
req_sv (aio_req req, HV *stash) |
491 |
{ |
492 |
if (!req->self) |
493 |
{ |
494 |
req->self = (SV *)newHV (); |
495 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
496 |
} |
497 |
|
498 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
499 |
} |
500 |
|
501 |
static SV * |
502 |
newSVaio_wd (aio_wd wd) |
503 |
{ |
504 |
return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
505 |
} |
506 |
|
507 |
ecb_noinline |
508 |
static aio_req |
509 |
SvAIO_REQ (SV *sv) |
510 |
{ |
511 |
MAGIC *mg; |
512 |
|
513 |
if (!SvROK (sv) |
514 |
/* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
515 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
516 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
517 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
518 |
croak ("object of class IO::AIO::REQ expected"); |
519 |
|
520 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
521 |
|
522 |
return mg ? (aio_req)mg->mg_ptr : 0; |
523 |
} |
524 |
|
525 |
static aio_wd |
526 |
SvAIO_WD (SV *sv) |
527 |
{ |
528 |
if (!SvROK (sv) |
529 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG |
530 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash) |
531 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
532 |
|
533 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
534 |
} |
535 |
|
536 |
static SV * |
537 |
newmortalFH (int fd, int flags) |
538 |
{ |
539 |
if (fd < 0) |
540 |
return &PL_sv_undef; |
541 |
|
542 |
GV *gv = (GV *)sv_newmortal (); |
543 |
char sym[64]; |
544 |
int symlen; |
545 |
|
546 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
547 |
gv_init (gv, aio_stash, sym, symlen, 0); |
548 |
|
549 |
symlen = snprintf ( |
550 |
sym, |
551 |
sizeof (sym), |
552 |
"%s&=%d", |
553 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
554 |
fd |
555 |
); |
556 |
|
557 |
return do_open (gv, sym, symlen, 0, 0, 0, 0) |
558 |
? (SV *)gv : &PL_sv_undef; |
559 |
} |
560 |
|
561 |
static void |
562 |
aio_grp_feed (aio_req grp) |
563 |
{ |
564 |
if (grp->sv2 && SvOK (grp->sv2)) |
565 |
{ |
566 |
dSP; |
567 |
|
568 |
ENTER; |
569 |
SAVETMPS; |
570 |
PUSHMARK (SP); |
571 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
572 |
PUTBACK; |
573 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
574 |
SPAGAIN; |
575 |
FREETMPS; |
576 |
LEAVE; |
577 |
} |
578 |
} |
579 |
|
580 |
ecb_noinline |
581 |
static void |
582 |
req_submit (eio_req *req) |
583 |
{ |
584 |
eio_submit (req); |
585 |
|
586 |
if (expect_false (on_next_submit)) |
587 |
{ |
588 |
dSP; |
589 |
SV *cb = sv_2mortal (on_next_submit); |
590 |
|
591 |
on_next_submit = 0; |
592 |
|
593 |
PUSHMARK (SP); |
594 |
PUTBACK; |
595 |
call_sv (cb, G_DISCARD | G_EVAL); |
596 |
} |
597 |
} |
598 |
|
599 |
static int |
600 |
req_invoke (eio_req *req) |
601 |
{ |
602 |
if (req->flags & FLAG_SV2_RO_OFF) |
603 |
SvREADONLY_off (req->sv2); |
604 |
|
605 |
if (!EIO_CANCELLED (req) && req->callback) |
606 |
{ |
607 |
dSP; |
608 |
static SV *sv_result_cache; /* caches the result integer SV */ |
609 |
SV *sv_result; |
610 |
|
611 |
ENTER; |
612 |
SAVETMPS; |
613 |
PUSHMARK (SP); |
614 |
EXTEND (SP, 1); |
615 |
|
616 |
/* do not recreate the result IV from scratch each time */ |
617 |
if (expect_true (sv_result_cache)) |
618 |
{ |
619 |
sv_result = sv_result_cache; sv_result_cache = 0; |
620 |
SvIV_set (sv_result, req->result); |
621 |
SvIOK_only (sv_result); |
622 |
} |
623 |
else |
624 |
{ |
625 |
sv_result = newSViv (req->result); |
626 |
SvREADONLY_on (sv_result); |
627 |
} |
628 |
|
629 |
switch (req->type) |
630 |
{ |
631 |
case EIO_WD_OPEN: |
632 |
PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
633 |
break; |
634 |
|
635 |
case EIO_READDIR: |
636 |
{ |
637 |
SV *rv = &PL_sv_undef; |
638 |
|
639 |
if (req->result >= 0) |
640 |
{ |
641 |
int i; |
642 |
char *names = (char *)req->ptr2; |
643 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
644 |
AV *av = newAV (); |
645 |
|
646 |
av_extend (av, req->result - 1); |
647 |
|
648 |
for (i = 0; i < req->result; ++i) |
649 |
{ |
650 |
if (req->int1 & EIO_READDIR_DENTS) |
651 |
{ |
652 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
653 |
|
654 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
655 |
{ |
656 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
657 |
AV *avent = newAV (); |
658 |
|
659 |
av_extend (avent, 2); |
660 |
|
661 |
if (!sv_type [ent->type]) |
662 |
{ |
663 |
sv_type [ent->type] = newSViv (ent->type); |
664 |
SvREADONLY_on (sv_type [ent->type]); |
665 |
} |
666 |
|
667 |
av_store (avent, 0, namesv); |
668 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
669 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
670 |
|
671 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
672 |
} |
673 |
else |
674 |
av_store (av, i, namesv); |
675 |
|
676 |
++ent; |
677 |
} |
678 |
else |
679 |
{ |
680 |
SV *name = newSVpv (names, 0); |
681 |
av_store (av, i, name); |
682 |
names += SvCUR (name) + 1; |
683 |
} |
684 |
} |
685 |
|
686 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
687 |
} |
688 |
|
689 |
PUSHs (rv); |
690 |
|
691 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
692 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
693 |
} |
694 |
break; |
695 |
|
696 |
case EIO_OPEN: |
697 |
PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
698 |
break; |
699 |
|
700 |
case EIO_STATVFS: |
701 |
case EIO_FSTATVFS: |
702 |
{ |
703 |
SV *rv = &PL_sv_undef; |
704 |
|
705 |
#ifndef _WIN32 |
706 |
if (req->result >= 0) |
707 |
{ |
708 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
709 |
HV *hv = newHV (); |
710 |
/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
711 |
* chooses to make it a struct. |
712 |
*/ |
713 |
unsigned long fsid = 0; |
714 |
memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
715 |
|
716 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
717 |
|
718 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
719 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
720 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
721 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
722 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
723 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
724 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
725 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
726 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
727 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
728 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
729 |
} |
730 |
#endif |
731 |
|
732 |
PUSHs (rv); |
733 |
} |
734 |
|
735 |
break; |
736 |
|
737 |
case EIO_GROUP: |
738 |
req->int1 = 2; /* mark group as finished */ |
739 |
|
740 |
if (req->sv1) |
741 |
{ |
742 |
int i; |
743 |
AV *av = (AV *)req->sv1; |
744 |
|
745 |
EXTEND (SP, AvFILL (av) + 1); |
746 |
for (i = 0; i <= AvFILL (av); ++i) |
747 |
PUSHs (*av_fetch (av, i, 0)); |
748 |
} |
749 |
break; |
750 |
|
751 |
case EIO_NOP: |
752 |
case EIO_BUSY: |
753 |
break; |
754 |
|
755 |
case EIO_READLINK: |
756 |
case EIO_REALPATH: |
757 |
if (req->result > 0) |
758 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
759 |
break; |
760 |
|
761 |
case EIO_STAT: |
762 |
case EIO_LSTAT: |
763 |
case EIO_FSTAT: |
764 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
765 |
|
766 |
if (!(PL_laststatval = req->result)) |
767 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
768 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
769 |
|
770 |
PUSHs (sv_result); |
771 |
break; |
772 |
|
773 |
case EIO_SEEK: |
774 |
PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
775 |
break; |
776 |
|
777 |
case EIO_READ: |
778 |
{ |
779 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
780 |
*SvEND (req->sv2) = 0; |
781 |
SvPOK_only (req->sv2); |
782 |
SvSETMAGIC (req->sv2); |
783 |
PUSHs (sv_result); |
784 |
} |
785 |
break; |
786 |
|
787 |
case EIO_SLURP: |
788 |
{ |
789 |
if (req->result >= 0) |
790 |
{ |
791 |
/* if length was originally not known, we steal the malloc'ed memory */ |
792 |
if (req->flags & EIO_FLAG_PTR2_FREE) |
793 |
{ |
794 |
req->flags &= ~EIO_FLAG_PTR2_FREE; |
795 |
sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result); |
796 |
} |
797 |
else |
798 |
{ |
799 |
SvCUR_set (req->sv2, req->result); |
800 |
*SvEND (req->sv2) = 0; |
801 |
SvPOK_only (req->sv2); |
802 |
} |
803 |
|
804 |
SvSETMAGIC (req->sv2); |
805 |
} |
806 |
|
807 |
PUSHs (sv_result); |
808 |
} |
809 |
break; |
810 |
|
811 |
case EIO_CUSTOM: |
812 |
if (req->feed == fiemap) |
813 |
{ |
814 |
#if HAVE_FIEMAP |
815 |
if (!req->result) |
816 |
{ |
817 |
struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
818 |
|
819 |
if (fiemap->fm_extent_count) |
820 |
{ |
821 |
AV *av = newAV (); |
822 |
int i; |
823 |
|
824 |
while (fiemap->fm_mapped_extents) |
825 |
{ |
826 |
struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
827 |
AV *ext_av = newAV (); |
828 |
|
829 |
av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
830 |
av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
831 |
av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
832 |
av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
833 |
|
834 |
av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
835 |
} |
836 |
|
837 |
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
838 |
} |
839 |
else |
840 |
{ |
841 |
SvIV_set (sv_result, fiemap->fm_mapped_extents); |
842 |
PUSHs (sv_result); |
843 |
} |
844 |
} |
845 |
#endif |
846 |
} |
847 |
else |
848 |
PUSHs (sv_result); |
849 |
break; |
850 |
|
851 |
#if 0 |
852 |
case EIO_CLOSE: |
853 |
PerlIOUnix_refcnt_dec (req->int1); |
854 |
break; |
855 |
#endif |
856 |
|
857 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
858 |
if (req->result > 0) |
859 |
SvIV_set (sv_result, 0); |
860 |
/* FALLTHROUGH */ |
861 |
|
862 |
default: |
863 |
PUSHs (sv_result); |
864 |
break; |
865 |
} |
866 |
|
867 |
errno = req->errorno; |
868 |
|
869 |
PUTBACK; |
870 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
871 |
SPAGAIN; |
872 |
|
873 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
874 |
SvREFCNT_dec (sv_result); |
875 |
else |
876 |
sv_result_cache = sv_result; |
877 |
|
878 |
FREETMPS; |
879 |
LEAVE; |
880 |
|
881 |
PUTBACK; |
882 |
} |
883 |
|
884 |
return !!SvTRUE (ERRSV); |
885 |
} |
886 |
|
887 |
static void |
888 |
req_destroy (aio_req req) |
889 |
{ |
890 |
if (req->self) |
891 |
{ |
892 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
893 |
SvREFCNT_dec (req->self); |
894 |
} |
895 |
|
896 |
SvREFCNT_dec (req->sv1); |
897 |
SvREFCNT_dec (req->sv2); |
898 |
SvREFCNT_dec (req->sv3); |
899 |
SvREFCNT_dec (req->sv4); |
900 |
SvREFCNT_dec (req->callback); |
901 |
|
902 |
free (req); |
903 |
} |
904 |
|
905 |
static void |
906 |
req_cancel_subs (aio_req grp) |
907 |
{ |
908 |
if (grp->type != EIO_GROUP) |
909 |
return; |
910 |
|
911 |
SvREFCNT_dec (grp->sv2); |
912 |
grp->sv2 = 0; |
913 |
|
914 |
eio_grp_cancel (grp); |
915 |
} |
916 |
|
917 |
ecb_cold |
918 |
static void |
919 |
create_respipe (void) |
920 |
{ |
921 |
if (s_epipe_renew (&respipe)) |
922 |
croak ("IO::AIO: unable to initialize result pipe"); |
923 |
} |
924 |
|
925 |
static void |
926 |
poll_wait (void) |
927 |
{ |
928 |
while (eio_nreqs ()) |
929 |
{ |
930 |
int size; |
931 |
|
932 |
X_LOCK (EIO_POOL->reslock); |
933 |
size = EIO_POOL->res_queue.size; |
934 |
X_UNLOCK (EIO_POOL->reslock); |
935 |
|
936 |
if (size) |
937 |
return; |
938 |
|
939 |
etp_maybe_start_thread (EIO_POOL); |
940 |
|
941 |
s_epipe_wait (&respipe); |
942 |
} |
943 |
} |
944 |
|
945 |
static int |
946 |
poll_cb (void) |
947 |
{ |
948 |
for (;;) |
949 |
{ |
950 |
int res = eio_poll (); |
951 |
|
952 |
if (res > 0) |
953 |
croak (0); |
954 |
|
955 |
if (!max_outstanding || max_outstanding > eio_nreqs ()) |
956 |
return res; |
957 |
|
958 |
poll_wait (); |
959 |
} |
960 |
} |
961 |
|
962 |
ecb_cold |
963 |
static void |
964 |
reinit (void) |
965 |
{ |
966 |
create_respipe (); |
967 |
|
968 |
if (eio_init (want_poll, done_poll) < 0) |
969 |
croak ("IO::AIO: unable to initialise eio library"); |
970 |
} |
971 |
|
972 |
/*****************************************************************************/ |
973 |
|
974 |
static SV * |
975 |
get_cb (SV *cb_sv) |
976 |
{ |
977 |
SvGETMAGIC (cb_sv); |
978 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
979 |
} |
980 |
|
981 |
ecb_noinline |
982 |
static aio_req ecb_noinline |
983 |
dreq (SV *callback) |
984 |
{ |
985 |
SV *cb_cv; |
986 |
aio_req req; |
987 |
int req_pri = next_pri; |
988 |
next_pri = EIO_PRI_DEFAULT; |
989 |
|
990 |
cb_cv = get_cb (callback); |
991 |
|
992 |
req = calloc (sizeof (*req), 1); |
993 |
if (!req) |
994 |
croak ("out of memory during eio_req allocation"); |
995 |
|
996 |
req->callback = SvREFCNT_inc (cb_cv); |
997 |
req->pri = req_pri; |
998 |
|
999 |
return req; |
1000 |
} |
1001 |
|
1002 |
#define dREQ \ |
1003 |
aio_req req = dreq (callback); \ |
1004 |
|
1005 |
#define REQ_SEND \ |
1006 |
PUTBACK; \ |
1007 |
req_submit (req); \ |
1008 |
SPAGAIN; \ |
1009 |
\ |
1010 |
if (GIMME_V != G_VOID) \ |
1011 |
XPUSHs (req_sv (req, aio_req_stash)); |
1012 |
|
1013 |
/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */ |
1014 |
ecb_inline |
1015 |
void |
1016 |
req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
1017 |
{ |
1018 |
if (expect_false (SvROK (path))) |
1019 |
{ |
1020 |
SV *rv = SvRV (path); |
1021 |
SV *wdob; |
1022 |
|
1023 |
if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
1024 |
{ |
1025 |
path = AvARRAY (rv)[1]; |
1026 |
wdob = AvARRAY (rv)[0]; |
1027 |
|
1028 |
if (SvOK (wdob)) |
1029 |
{ |
1030 |
*wd = SvAIO_WD (wdob); |
1031 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
1032 |
} |
1033 |
else |
1034 |
*wd = EIO_INVALID_WD; |
1035 |
} |
1036 |
else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
1037 |
{ |
1038 |
*wd = (aio_wd)(long)SvIVX (rv); |
1039 |
*wdsv = SvREFCNT_inc_NN (rv); |
1040 |
*ptr = "."; |
1041 |
return; /* path set to "." */ |
1042 |
} |
1043 |
else |
1044 |
croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
1045 |
} |
1046 |
|
1047 |
*pathsv = newSVsv (path); |
1048 |
*ptr = SvPVbyte_nolen (*pathsv); |
1049 |
} |
1050 |
|
1051 |
ecb_noinline |
1052 |
static void |
1053 |
req_set_path1 (aio_req req, SV *path) |
1054 |
{ |
1055 |
req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
1056 |
} |
1057 |
|
1058 |
ecb_noinline |
1059 |
static void |
1060 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
1061 |
{ |
1062 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
1063 |
|
1064 |
switch (SvTYPE (rv)) |
1065 |
{ |
1066 |
case SVt_PVIO: |
1067 |
case SVt_PVLV: |
1068 |
case SVt_PVGV: |
1069 |
req->type = type_fh; |
1070 |
req->sv1 = newSVsv (fh_or_path); |
1071 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
1072 |
break; |
1073 |
|
1074 |
default: |
1075 |
req->type = type_path; |
1076 |
req_set_path1 (req, fh_or_path); |
1077 |
break; |
1078 |
} |
1079 |
} |
1080 |
|
1081 |
/*****************************************************************************/ |
1082 |
|
1083 |
static void |
1084 |
ts_set (struct timespec *ts, NV value) |
1085 |
{ |
1086 |
ts->tv_sec = value; |
1087 |
ts->tv_nsec = (value - ts->tv_sec) * 1e9; |
1088 |
} |
1089 |
|
1090 |
static NV |
1091 |
ts_get (const struct timespec *ts) |
1092 |
{ |
1093 |
return ts->tv_sec + ts->tv_nsec * 1e-9; |
1094 |
} |
1095 |
|
1096 |
/*****************************************************************************/ |
1097 |
|
1098 |
/* extract a ref-to-array of strings into a temporary c style string vector */ |
1099 |
static char ** |
1100 |
extract_stringvec (SV *sv, const char *croakmsg) |
1101 |
{ |
1102 |
if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
1103 |
croak (croakmsg); |
1104 |
|
1105 |
AV *av = (AV *)SvRV (sv); |
1106 |
int i, nelem = av_len (av) + 1; |
1107 |
char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1)))); |
1108 |
|
1109 |
for (i = 0; i < nelem; ++i) |
1110 |
{ |
1111 |
SV **e = av_fetch (av, i, 0); |
1112 |
|
1113 |
if (e && *e) |
1114 |
vecp[i] = SvPVbyte_nolen (*e); |
1115 |
else |
1116 |
vecp[i] = ""; |
1117 |
} |
1118 |
|
1119 |
vecp[nelem] = 0; |
1120 |
|
1121 |
return vecp; |
1122 |
} |
1123 |
|
1124 |
/*****************************************************************************/ |
1125 |
|
1126 |
XS(boot_IO__AIO) ecb_cold; |
1127 |
|
1128 |
MODULE = IO::AIO PACKAGE = IO::AIO |
1129 |
|
1130 |
PROTOTYPES: ENABLE |
1131 |
|
1132 |
BOOT: |
1133 |
{ |
1134 |
static const struct { |
1135 |
const char *name; |
1136 |
IV iv; |
1137 |
} *civ, const_iv[] = { |
1138 |
# define const_niv(name, value) { # name, (IV) value }, |
1139 |
# define const_iv(name) { # name, (IV) name }, |
1140 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
1141 |
|
1142 |
/* you have to re-run ./gendef0 after adding/removing any constants here */ |
1143 |
/* the first block can be undef if missing */ |
1144 |
const_iv (ENOSYS) |
1145 |
const_iv (EXDEV) |
1146 |
const_iv (EBADR) |
1147 |
|
1148 |
/* for lseek */ |
1149 |
const_iv (SEEK_DATA) |
1150 |
const_iv (SEEK_HOLE) |
1151 |
|
1152 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
1153 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
1154 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
1155 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
1156 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
1157 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
1158 |
|
1159 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
1160 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
1161 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
1162 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
1163 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
1164 |
|
1165 |
/* the second block will be 0 when missing */ |
1166 |
const_iv (O_ACCMODE) |
1167 |
|
1168 |
const_iv (O_RDONLY) |
1169 |
const_iv (O_WRONLY) |
1170 |
const_iv (O_RDWR) |
1171 |
const_iv (O_CREAT) |
1172 |
const_iv (O_TRUNC) |
1173 |
const_iv (O_EXCL) |
1174 |
const_iv (O_APPEND) |
1175 |
|
1176 |
const_iv (O_ASYNC) |
1177 |
const_iv (O_DIRECT) |
1178 |
const_iv (O_NOATIME) |
1179 |
|
1180 |
const_iv (O_CLOEXEC) |
1181 |
const_iv (O_NOCTTY) |
1182 |
const_iv (O_NOFOLLOW) |
1183 |
const_iv (O_NONBLOCK) |
1184 |
const_iv (O_EXEC) |
1185 |
const_iv (O_SEARCH) |
1186 |
const_iv (O_DIRECTORY) |
1187 |
const_iv (O_DSYNC) |
1188 |
const_iv (O_RSYNC) |
1189 |
const_iv (O_SYNC) |
1190 |
const_iv (O_PATH) |
1191 |
const_iv (O_TMPFILE) |
1192 |
const_iv (O_TTY_INIT) |
1193 |
|
1194 |
const_iv (S_IFIFO) |
1195 |
const_iv (S_IFCHR) |
1196 |
const_iv (S_IFBLK) |
1197 |
const_iv (S_IFLNK) |
1198 |
const_iv (S_IFREG) |
1199 |
const_iv (S_IFDIR) |
1200 |
const_iv (S_IFWHT) |
1201 |
const_iv (S_IFSOCK) |
1202 |
const_iv (S_IFMT) |
1203 |
|
1204 |
const_iv (ST_RDONLY) |
1205 |
const_iv (ST_NOSUID) |
1206 |
const_iv (ST_NODEV) |
1207 |
const_iv (ST_NOEXEC) |
1208 |
const_iv (ST_SYNCHRONOUS) |
1209 |
const_iv (ST_MANDLOCK) |
1210 |
const_iv (ST_WRITE) |
1211 |
const_iv (ST_APPEND) |
1212 |
const_iv (ST_IMMUTABLE) |
1213 |
const_iv (ST_NOATIME) |
1214 |
const_iv (ST_NODIRATIME) |
1215 |
const_iv (ST_RELATIME) |
1216 |
|
1217 |
const_iv (PROT_NONE) |
1218 |
const_iv (PROT_EXEC) |
1219 |
const_iv (PROT_READ) |
1220 |
const_iv (PROT_WRITE) |
1221 |
|
1222 |
const_iv (MAP_PRIVATE) |
1223 |
const_iv (MAP_SHARED) |
1224 |
const_iv (MAP_FIXED) |
1225 |
const_iv (MAP_ANONYMOUS) |
1226 |
|
1227 |
/* linuxish */ |
1228 |
const_iv (MAP_LOCKED) |
1229 |
const_iv (MAP_NORESERVE) |
1230 |
const_iv (MAP_POPULATE) |
1231 |
const_iv (MAP_NONBLOCK) |
1232 |
const_iv (MAP_GROWSDOWN) |
1233 |
const_iv (MAP_32BIT) |
1234 |
const_iv (MAP_HUGETLB) |
1235 |
const_iv (MAP_STACK) |
1236 |
const_iv (MAP_FIXED_NOREPLACE) |
1237 |
const_iv (MAP_SHARED_VALIDATE) |
1238 |
const_iv (MAP_SYNC) |
1239 |
const_iv (MAP_UNINITIALIZED) |
1240 |
|
1241 |
const_iv (MREMAP_MAYMOVE) |
1242 |
const_iv (MREMAP_FIXED) |
1243 |
|
1244 |
const_iv (MSG_CMSG_CLOEXEC) |
1245 |
const_iv (SOCK_CLOEXEC) |
1246 |
|
1247 |
const_iv (F_DUPFD_CLOEXEC) |
1248 |
|
1249 |
const_iv (F_ADD_SEALS) |
1250 |
const_iv (F_GET_SEALS) |
1251 |
const_iv (F_SEAL_SEAL) |
1252 |
const_iv (F_SEAL_SHRINK) |
1253 |
const_iv (F_SEAL_GROW) |
1254 |
const_iv (F_SEAL_WRITE) |
1255 |
|
1256 |
const_iv (F_OFD_GETLK) |
1257 |
const_iv (F_OFD_SETLK) |
1258 |
const_iv (F_OFD_GETLKW) |
1259 |
|
1260 |
const_iv (FIFREEZE) |
1261 |
const_iv (FITHAW) |
1262 |
const_iv (FITRIM) |
1263 |
const_iv (FICLONE) |
1264 |
const_iv (FICLONERANGE) |
1265 |
const_iv (FIDEDUPERANGE) |
1266 |
|
1267 |
const_iv (FS_IOC_GETFLAGS) |
1268 |
const_iv (FS_IOC_SETFLAGS) |
1269 |
const_iv (FS_IOC_GETVERSION) |
1270 |
const_iv (FS_IOC_SETVERSION) |
1271 |
const_iv (FS_IOC_FIEMAP) |
1272 |
const_iv (FS_IOC_FSGETXATTR) |
1273 |
const_iv (FS_IOC_FSSETXATTR) |
1274 |
const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
1275 |
const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
1276 |
const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
1277 |
|
1278 |
const_iv (FS_KEY_DESCRIPTOR_SIZE) |
1279 |
|
1280 |
const_iv (FS_SECRM_FL) |
1281 |
const_iv (FS_UNRM_FL) |
1282 |
const_iv (FS_COMPR_FL) |
1283 |
const_iv (FS_SYNC_FL) |
1284 |
const_iv (FS_IMMUTABLE_FL) |
1285 |
const_iv (FS_APPEND_FL) |
1286 |
const_iv (FS_NODUMP_FL) |
1287 |
const_iv (FS_NOATIME_FL) |
1288 |
const_iv (FS_DIRTY_FL) |
1289 |
const_iv (FS_COMPRBLK_FL) |
1290 |
const_iv (FS_NOCOMP_FL) |
1291 |
const_iv (FS_ENCRYPT_FL) |
1292 |
const_iv (FS_BTREE_FL) |
1293 |
const_iv (FS_INDEX_FL) |
1294 |
const_iv (FS_JOURNAL_DATA_FL) |
1295 |
const_iv (FS_NOTAIL_FL) |
1296 |
const_iv (FS_DIRSYNC_FL) |
1297 |
const_iv (FS_TOPDIR_FL) |
1298 |
const_iv (FS_FL_USER_MODIFIABLE) |
1299 |
|
1300 |
const_iv (FS_XFLAG_REALTIME) |
1301 |
const_iv (FS_XFLAG_PREALLOC) |
1302 |
const_iv (FS_XFLAG_IMMUTABLE) |
1303 |
const_iv (FS_XFLAG_APPEND) |
1304 |
const_iv (FS_XFLAG_SYNC) |
1305 |
const_iv (FS_XFLAG_NOATIME) |
1306 |
const_iv (FS_XFLAG_NODUMP) |
1307 |
const_iv (FS_XFLAG_RTINHERIT) |
1308 |
const_iv (FS_XFLAG_PROJINHERIT) |
1309 |
const_iv (FS_XFLAG_NOSYMLINKS) |
1310 |
const_iv (FS_XFLAG_EXTSIZE) |
1311 |
const_iv (FS_XFLAG_EXTSZINHERIT) |
1312 |
const_iv (FS_XFLAG_NODEFRAG) |
1313 |
const_iv (FS_XFLAG_FILESTREAM) |
1314 |
const_iv (FS_XFLAG_DAX) |
1315 |
const_iv (FS_XFLAG_HASATTR) |
1316 |
|
1317 |
const_iv (FIEMAP_FLAG_SYNC) |
1318 |
const_iv (FIEMAP_FLAG_XATTR) |
1319 |
const_iv (FIEMAP_FLAGS_COMPAT) |
1320 |
const_iv (FIEMAP_EXTENT_LAST) |
1321 |
const_iv (FIEMAP_EXTENT_UNKNOWN) |
1322 |
const_iv (FIEMAP_EXTENT_DELALLOC) |
1323 |
const_iv (FIEMAP_EXTENT_ENCODED) |
1324 |
const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
1325 |
const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
1326 |
const_iv (FIEMAP_EXTENT_DATA_INLINE) |
1327 |
const_iv (FIEMAP_EXTENT_DATA_TAIL) |
1328 |
const_iv (FIEMAP_EXTENT_UNWRITTEN) |
1329 |
const_iv (FIEMAP_EXTENT_MERGED) |
1330 |
const_iv (FIEMAP_EXTENT_SHARED) |
1331 |
|
1332 |
const_iv (SPLICE_F_MOVE) |
1333 |
const_iv (SPLICE_F_NONBLOCK) |
1334 |
const_iv (SPLICE_F_MORE) |
1335 |
const_iv (SPLICE_F_GIFT) |
1336 |
|
1337 |
const_iv (EFD_CLOEXEC) |
1338 |
const_iv (EFD_NONBLOCK) |
1339 |
const_iv (EFD_SEMAPHORE) |
1340 |
|
1341 |
const_iv (MFD_CLOEXEC) |
1342 |
const_iv (MFD_ALLOW_SEALING) |
1343 |
const_iv (MFD_HUGETLB) |
1344 |
const_iv (MFD_HUGETLB_2MB) |
1345 |
const_iv (MFD_HUGETLB_1GB) |
1346 |
|
1347 |
const_iv (CLOCK_REALTIME) |
1348 |
const_iv (CLOCK_MONOTONIC) |
1349 |
const_iv (CLOCK_BOOTTIME) |
1350 |
const_iv (CLOCK_REALTIME_ALARM) |
1351 |
const_iv (CLOCK_BOOTTIME_ALARM) |
1352 |
|
1353 |
const_iv (TFD_NONBLOCK) |
1354 |
const_iv (TFD_CLOEXEC) |
1355 |
|
1356 |
const_iv (TFD_TIMER_ABSTIME) |
1357 |
const_iv (TFD_TIMER_CANCEL_ON_SET) |
1358 |
|
1359 |
const_iv (STATX_TYPE) |
1360 |
const_iv (STATX_MODE) |
1361 |
const_iv (STATX_NLINK) |
1362 |
const_iv (STATX_UID) |
1363 |
const_iv (STATX_GID) |
1364 |
const_iv (STATX_ATIME) |
1365 |
const_iv (STATX_MTIME) |
1366 |
const_iv (STATX_CTIME) |
1367 |
const_iv (STATX_INO) |
1368 |
const_iv (STATX_SIZE) |
1369 |
const_iv (STATX_BLOCKS) |
1370 |
const_iv (STATX_BASIC_STATS) |
1371 |
const_iv (STATX_ALL) |
1372 |
const_iv (STATX_BTIME) |
1373 |
const_iv (STATX_ATTR_COMPRESSED) |
1374 |
const_iv (STATX_ATTR_IMMUTABLE) |
1375 |
const_iv (STATX_ATTR_APPEND) |
1376 |
const_iv (STATX_ATTR_NODUMP) |
1377 |
const_iv (STATX_ATTR_ENCRYPTED) |
1378 |
const_iv (STATX_ATTR_AUTOMOUNT) |
1379 |
|
1380 |
const_iv (AT_FDCWD) |
1381 |
const_iv (AT_SYMLINK_NOFOLLOW) |
1382 |
const_iv (AT_EACCESS) |
1383 |
const_iv (AT_REMOVEDIR) |
1384 |
const_iv (AT_SYMLINK_FOLLOW) |
1385 |
const_iv (AT_NO_AUTOMOUNT) |
1386 |
const_iv (AT_EMPTY_PATH) |
1387 |
const_iv (AT_STATX_SYNC_TYPE) |
1388 |
const_iv (AT_STATX_AS_STAT) |
1389 |
const_iv (AT_STATX_FORCE_SYNC) |
1390 |
const_iv (AT_STATX_DONT_SYNC) |
1391 |
const_iv (AT_RECURSIVE) |
1392 |
|
1393 |
const_iv (OPEN_TREE_CLONE) |
1394 |
|
1395 |
const_iv (FSOPEN_CLOEXEC) |
1396 |
|
1397 |
const_iv (FSPICK_CLOEXEC) |
1398 |
const_iv (FSPICK_SYMLINK_NOFOLLOW) |
1399 |
const_iv (FSPICK_NO_AUTOMOUNT) |
1400 |
const_iv (FSPICK_EMPTY_PATH) |
1401 |
|
1402 |
const_iv (MOVE_MOUNT_F_SYMLINKS) |
1403 |
const_iv (MOVE_MOUNT_F_AUTOMOUNTS) |
1404 |
const_iv (MOVE_MOUNT_F_EMPTY_PATH) |
1405 |
const_iv (MOVE_MOUNT_T_SYMLINKS) |
1406 |
const_iv (MOVE_MOUNT_T_AUTOMOUNTS) |
1407 |
const_iv (MOVE_MOUNT_T_EMPTY_PATH) |
1408 |
|
1409 |
/* waitid */ |
1410 |
const_iv (P_PID) |
1411 |
const_iv (P_PIDFD) |
1412 |
const_iv (P_PGID) |
1413 |
const_iv (P_ALL) |
1414 |
|
1415 |
const_iv (FSCONFIG_SET_FLAG) |
1416 |
const_iv (FSCONFIG_SET_STRING) |
1417 |
const_iv (FSCONFIG_SET_BINARY) |
1418 |
const_iv (FSCONFIG_SET_PATH) |
1419 |
const_iv (FSCONFIG_SET_PATH_EMPTY) |
1420 |
const_iv (FSCONFIG_SET_FD) |
1421 |
const_iv (FSCONFIG_CMD_CREATE) |
1422 |
const_iv (FSCONFIG_CMD_RECONFIGURE) |
1423 |
|
1424 |
const_iv (MOUNT_ATTR_RDONLY) |
1425 |
const_iv (MOUNT_ATTR_NOSUID) |
1426 |
const_iv (MOUNT_ATTR_NODEV) |
1427 |
const_iv (MOUNT_ATTR_NOEXEC) |
1428 |
const_iv (MOUNT_ATTR__ATIME) |
1429 |
const_iv (MOUNT_ATTR_RELATIME) |
1430 |
const_iv (MOUNT_ATTR_NOATIME) |
1431 |
const_iv (MOUNT_ATTR_STRICTATIME) |
1432 |
const_iv (MOUNT_ATTR_NODIRATIME) |
1433 |
|
1434 |
/* these are libeio constants, and are independent of gendef0 */ |
1435 |
const_eio (SEEK_SET) |
1436 |
const_eio (SEEK_CUR) |
1437 |
const_eio (SEEK_END) |
1438 |
|
1439 |
const_eio (MCL_FUTURE) |
1440 |
const_eio (MCL_CURRENT) |
1441 |
const_eio (MCL_ONFAULT) |
1442 |
|
1443 |
const_eio (MS_ASYNC) |
1444 |
const_eio (MS_INVALIDATE) |
1445 |
const_eio (MS_SYNC) |
1446 |
|
1447 |
const_eio (MT_MODIFY) |
1448 |
|
1449 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
1450 |
const_eio (SYNC_FILE_RANGE_WRITE) |
1451 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
1452 |
|
1453 |
const_eio (FALLOC_FL_KEEP_SIZE) |
1454 |
const_eio (FALLOC_FL_PUNCH_HOLE) |
1455 |
const_eio (FALLOC_FL_COLLAPSE_RANGE) |
1456 |
const_eio (FALLOC_FL_ZERO_RANGE) |
1457 |
const_eio (FALLOC_FL_INSERT_RANGE) |
1458 |
const_eio (FALLOC_FL_UNSHARE_RANGE) |
1459 |
|
1460 |
const_eio (RENAME_NOREPLACE) |
1461 |
const_eio (RENAME_EXCHANGE) |
1462 |
const_eio (RENAME_WHITEOUT) |
1463 |
|
1464 |
const_eio (READDIR_DENTS) |
1465 |
const_eio (READDIR_DIRS_FIRST) |
1466 |
const_eio (READDIR_STAT_ORDER) |
1467 |
const_eio (READDIR_FOUND_UNKNOWN) |
1468 |
|
1469 |
const_eio (DT_UNKNOWN) |
1470 |
const_eio (DT_FIFO) |
1471 |
const_eio (DT_CHR) |
1472 |
const_eio (DT_DIR) |
1473 |
const_eio (DT_BLK) |
1474 |
const_eio (DT_REG) |
1475 |
const_eio (DT_LNK) |
1476 |
const_eio (DT_SOCK) |
1477 |
const_eio (DT_WHT) |
1478 |
}; |
1479 |
|
1480 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
1481 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
1482 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
1483 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
1484 |
|
1485 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
1486 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
1487 |
|
1488 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
1489 |
|
1490 |
/* allocate dummy pipe fd for aio_close */ |
1491 |
{ |
1492 |
int pipefd [2]; |
1493 |
|
1494 |
if ( |
1495 |
#ifdef _WIN32 |
1496 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
1497 |
#else |
1498 |
pipe (pipefd) < 0 |
1499 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
1500 |
#endif |
1501 |
|| close (pipefd [1]) < 0 |
1502 |
) |
1503 |
croak ("IO::AIO: unable to create dummy pipe for aio_close"); |
1504 |
|
1505 |
close_fd = pipefd [0]; |
1506 |
} |
1507 |
|
1508 |
reinit (); |
1509 |
} |
1510 |
|
1511 |
void |
1512 |
reinit () |
1513 |
PROTOTYPE: |
1514 |
|
1515 |
void |
1516 |
max_poll_reqs (unsigned int nreqs) |
1517 |
PROTOTYPE: $ |
1518 |
CODE: |
1519 |
eio_set_max_poll_reqs (nreqs); |
1520 |
|
1521 |
void |
1522 |
max_poll_time (double nseconds) |
1523 |
PROTOTYPE: $ |
1524 |
CODE: |
1525 |
eio_set_max_poll_time (nseconds); |
1526 |
|
1527 |
void |
1528 |
min_parallel (unsigned int nthreads) |
1529 |
PROTOTYPE: $ |
1530 |
CODE: |
1531 |
eio_set_min_parallel (nthreads); |
1532 |
|
1533 |
void |
1534 |
max_parallel (unsigned int nthreads) |
1535 |
PROTOTYPE: $ |
1536 |
CODE: |
1537 |
eio_set_max_parallel (nthreads); |
1538 |
|
1539 |
void |
1540 |
max_idle (unsigned int nthreads) |
1541 |
PROTOTYPE: $ |
1542 |
CODE: |
1543 |
eio_set_max_idle (nthreads); |
1544 |
|
1545 |
void |
1546 |
idle_timeout (unsigned int seconds) |
1547 |
PROTOTYPE: $ |
1548 |
CODE: |
1549 |
eio_set_idle_timeout (seconds); |
1550 |
|
1551 |
void |
1552 |
max_outstanding (unsigned int maxreqs) |
1553 |
PROTOTYPE: $ |
1554 |
CODE: |
1555 |
max_outstanding = maxreqs; |
1556 |
|
1557 |
void |
1558 |
aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
1559 |
PPCODE: |
1560 |
{ |
1561 |
dREQ; |
1562 |
|
1563 |
req->type = EIO_WD_OPEN; |
1564 |
req_set_path1 (req, pathname); |
1565 |
|
1566 |
REQ_SEND; |
1567 |
} |
1568 |
|
1569 |
void |
1570 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
1571 |
PPCODE: |
1572 |
{ |
1573 |
dREQ; |
1574 |
|
1575 |
req->type = EIO_OPEN; |
1576 |
req_set_path1 (req, pathname); |
1577 |
req->int1 = flags; |
1578 |
req->int2 = mode; |
1579 |
|
1580 |
REQ_SEND; |
1581 |
} |
1582 |
|
1583 |
void |
1584 |
aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
1585 |
ALIAS: |
1586 |
aio_fsync = EIO_FSYNC |
1587 |
aio_fdatasync = EIO_FDATASYNC |
1588 |
aio_syncfs = EIO_SYNCFS |
1589 |
PPCODE: |
1590 |
{ |
1591 |
int fd = s_fileno_croak (fh, 0); |
1592 |
dREQ; |
1593 |
|
1594 |
req->type = ix; |
1595 |
req->sv1 = newSVsv (fh); |
1596 |
req->int1 = fd; |
1597 |
|
1598 |
REQ_SEND; |
1599 |
} |
1600 |
|
1601 |
void |
1602 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
1603 |
PPCODE: |
1604 |
{ |
1605 |
int fd = s_fileno_croak (fh, 0); |
1606 |
dREQ; |
1607 |
|
1608 |
req->type = EIO_SYNC_FILE_RANGE; |
1609 |
req->sv1 = newSVsv (fh); |
1610 |
req->int1 = fd; |
1611 |
req->offs = offset; |
1612 |
req->size = nbytes; |
1613 |
req->int2 = flags; |
1614 |
|
1615 |
REQ_SEND; |
1616 |
} |
1617 |
|
1618 |
void |
1619 |
aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
1620 |
PPCODE: |
1621 |
{ |
1622 |
int fd = s_fileno_croak (fh, 0); |
1623 |
dREQ; |
1624 |
|
1625 |
req->type = EIO_FALLOCATE; |
1626 |
req->sv1 = newSVsv (fh); |
1627 |
req->int1 = fd; |
1628 |
req->int2 = mode; |
1629 |
req->offs = offset; |
1630 |
req->size = len; |
1631 |
|
1632 |
REQ_SEND; |
1633 |
} |
1634 |
|
1635 |
void |
1636 |
aio_close (SV *fh, SV *callback = &PL_sv_undef) |
1637 |
PPCODE: |
1638 |
{ |
1639 |
int fd = s_fileno_croak (fh, 0); |
1640 |
dREQ; |
1641 |
#if 0 |
1642 |
/* partially duplicate logic in s_fileno */ |
1643 |
SvGETMAGIC (fh); |
1644 |
|
1645 |
if (SvROK (fh)) |
1646 |
{ |
1647 |
fh = SvRV (fh); |
1648 |
SvGETMAGIC (fh); |
1649 |
} |
1650 |
|
1651 |
if (SvTYPE (fh) == SVt_PVGV) |
1652 |
{ |
1653 |
/* perl filehandle */ |
1654 |
PerlIOUnix_refcnt_inc (fd); |
1655 |
do_close ((GV *)fh, 1); |
1656 |
|
1657 |
req->type = EIO_CLOSE; |
1658 |
req->int1 = fd; |
1659 |
/*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */ |
1660 |
} |
1661 |
else |
1662 |
#endif |
1663 |
{ |
1664 |
/* fd number */ |
1665 |
req->type = EIO_DUP2; |
1666 |
req->int1 = close_fd; |
1667 |
req->sv2 = newSVsv (fh); |
1668 |
req->int2 = fd; |
1669 |
} |
1670 |
|
1671 |
REQ_SEND; |
1672 |
} |
1673 |
|
1674 |
void |
1675 |
aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
1676 |
PPCODE: |
1677 |
{ |
1678 |
int fd = s_fileno_croak (fh, 0); |
1679 |
dREQ; |
1680 |
|
1681 |
req->type = EIO_SEEK; |
1682 |
req->sv1 = newSVsv (fh); |
1683 |
req->int1 = fd; |
1684 |
req->offs = SvVAL64 (offset); |
1685 |
req->int2 = whence; |
1686 |
|
1687 |
REQ_SEND; |
1688 |
} |
1689 |
|
1690 |
void |
1691 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
1692 |
ALIAS: |
1693 |
aio_read = EIO_READ |
1694 |
aio_write = EIO_WRITE |
1695 |
PPCODE: |
1696 |
{ |
1697 |
STRLEN svlen; |
1698 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
1699 |
char *svptr = SvPVbyte (data, svlen); |
1700 |
UV len = SvUV (length); |
1701 |
|
1702 |
if (dataoffset < 0) |
1703 |
dataoffset += svlen; |
1704 |
|
1705 |
if (dataoffset < 0 || dataoffset > svlen) |
1706 |
croak ("dataoffset outside of data scalar"); |
1707 |
|
1708 |
if (ix == EIO_WRITE) |
1709 |
{ |
1710 |
/* write: check length and adjust. */ |
1711 |
if (!SvOK (length) || len + dataoffset > svlen) |
1712 |
len = svlen - dataoffset; |
1713 |
} |
1714 |
else |
1715 |
{ |
1716 |
/* read: check type and grow scalar as necessary */ |
1717 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
1718 |
svptr = sv_grow (data, len + dataoffset + 1); |
1719 |
else if (SvCUR (data) < len + dataoffset) |
1720 |
croak ("length + dataoffset outside of scalar, and cannot grow"); |
1721 |
} |
1722 |
|
1723 |
{ |
1724 |
dREQ; |
1725 |
|
1726 |
req->type = ix; |
1727 |
req->sv1 = newSVsv (fh); |
1728 |
req->int1 = fd; |
1729 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1730 |
req->size = len; |
1731 |
req->sv2 = SvREFCNT_inc (data); |
1732 |
req->ptr2 = (char *)svptr + dataoffset; |
1733 |
req->stroffset = dataoffset; |
1734 |
|
1735 |
if (!SvREADONLY (data)) |
1736 |
{ |
1737 |
SvREADONLY_on (data); |
1738 |
req->flags |= FLAG_SV2_RO_OFF; |
1739 |
} |
1740 |
|
1741 |
REQ_SEND; |
1742 |
} |
1743 |
} |
1744 |
|
1745 |
void |
1746 |
aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
1747 |
ALIAS: |
1748 |
aio_ioctl = EIO_IOCTL |
1749 |
aio_fcntl = EIO_FCNTL |
1750 |
PPCODE: |
1751 |
{ |
1752 |
int fd = s_fileno_croak (fh, 0); |
1753 |
char *svptr; |
1754 |
|
1755 |
if (SvPOK (arg) || !SvNIOK (arg)) |
1756 |
{ |
1757 |
STRLEN svlen; |
1758 |
/* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
1759 |
#ifdef IOCPARM_LEN |
1760 |
STRLEN need = IOCPARM_LEN (request); |
1761 |
#else |
1762 |
STRLEN need = 256; |
1763 |
#endif |
1764 |
|
1765 |
if (svlen < need) |
1766 |
svptr = SvGROW (arg, need); |
1767 |
} |
1768 |
else |
1769 |
svptr = (char *)SvIV (arg); |
1770 |
|
1771 |
{ |
1772 |
dREQ; |
1773 |
|
1774 |
req->type = ix; |
1775 |
req->sv1 = newSVsv (fh); |
1776 |
req->int1 = fd; |
1777 |
req->int2 = (long)request; |
1778 |
req->sv2 = SvREFCNT_inc (arg); |
1779 |
req->ptr2 = svptr; |
1780 |
|
1781 |
REQ_SEND; |
1782 |
} |
1783 |
} |
1784 |
|
1785 |
void |
1786 |
aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1787 |
ALIAS: |
1788 |
aio_readlink = EIO_READLINK |
1789 |
aio_realpath = EIO_REALPATH |
1790 |
PPCODE: |
1791 |
{ |
1792 |
dREQ; |
1793 |
|
1794 |
req->type = ix; |
1795 |
req_set_path1 (req, pathname); |
1796 |
|
1797 |
REQ_SEND; |
1798 |
} |
1799 |
|
1800 |
void |
1801 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
1802 |
PPCODE: |
1803 |
{ |
1804 |
int ifd = s_fileno_croak (in_fh , 0); |
1805 |
int ofd = s_fileno_croak (out_fh, 1); |
1806 |
dREQ; |
1807 |
|
1808 |
req->type = EIO_SENDFILE; |
1809 |
req->sv1 = newSVsv (out_fh); |
1810 |
req->int1 = ofd; |
1811 |
req->sv2 = newSVsv (in_fh); |
1812 |
req->int2 = ifd; |
1813 |
req->offs = in_offset; |
1814 |
req->size = length; |
1815 |
|
1816 |
REQ_SEND; |
1817 |
} |
1818 |
|
1819 |
void |
1820 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
1821 |
PPCODE: |
1822 |
{ |
1823 |
int fd = s_fileno_croak (fh, 0); |
1824 |
dREQ; |
1825 |
|
1826 |
req->type = EIO_READAHEAD; |
1827 |
req->sv1 = newSVsv (fh); |
1828 |
req->int1 = fd; |
1829 |
req->offs = offset; |
1830 |
req->size = length; |
1831 |
|
1832 |
REQ_SEND; |
1833 |
} |
1834 |
|
1835 |
void |
1836 |
aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
1837 |
ALIAS: |
1838 |
aio_stat = EIO_STAT |
1839 |
aio_lstat = EIO_LSTAT |
1840 |
aio_statvfs = EIO_STATVFS |
1841 |
PPCODE: |
1842 |
{ |
1843 |
dREQ; |
1844 |
|
1845 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1846 |
|
1847 |
REQ_SEND; |
1848 |
} |
1849 |
|
1850 |
void |
1851 |
st_xtime () |
1852 |
ALIAS: |
1853 |
st_atime = 0x01 |
1854 |
st_mtime = 0x02 |
1855 |
st_ctime = 0x04 |
1856 |
st_btime = 0x08 |
1857 |
st_xtime = 0x0f |
1858 |
PPCODE: |
1859 |
EXTEND (SP, 4); |
1860 |
if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC)); |
1861 |
if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC)); |
1862 |
if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC)); |
1863 |
if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC)); |
1864 |
|
1865 |
void |
1866 |
st_xtimensec () |
1867 |
ALIAS: |
1868 |
st_atimensec = 0x01 |
1869 |
st_mtimensec = 0x02 |
1870 |
st_ctimensec = 0x04 |
1871 |
st_btimensec = 0x08 |
1872 |
st_xtimensec = 0x0f |
1873 |
st_btimesec = 0x10 |
1874 |
st_gen = 0x20 |
1875 |
PPCODE: |
1876 |
EXTEND (SP, 4); |
1877 |
if (ix & 0x01) PUSHs (newSViv (ATIMENSEC)); |
1878 |
if (ix & 0x02) PUSHs (newSViv (MTIMENSEC)); |
1879 |
if (ix & 0x04) PUSHs (newSViv (CTIMENSEC)); |
1880 |
if (ix & 0x08) PUSHs (newSViv (BTIMENSEC)); |
1881 |
if (ix & 0x10) PUSHs (newSVuv (BTIMESEC)); |
1882 |
if (ix & 0x20) PUSHs (newSVuv (ST_GEN)); |
1883 |
|
1884 |
UV |
1885 |
major (UV dev) |
1886 |
ALIAS: |
1887 |
minor = 1 |
1888 |
CODE: |
1889 |
RETVAL = ix ? minor (dev) : major (dev); |
1890 |
OUTPUT: |
1891 |
RETVAL |
1892 |
|
1893 |
UV |
1894 |
makedev (UV maj, UV min) |
1895 |
CODE: |
1896 |
RETVAL = makedev (maj, min); |
1897 |
OUTPUT: |
1898 |
RETVAL |
1899 |
|
1900 |
void |
1901 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
1902 |
PPCODE: |
1903 |
{ |
1904 |
dREQ; |
1905 |
|
1906 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
1907 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
1908 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
1909 |
|
1910 |
REQ_SEND; |
1911 |
} |
1912 |
|
1913 |
void |
1914 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
1915 |
PPCODE: |
1916 |
{ |
1917 |
dREQ; |
1918 |
|
1919 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
1920 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
1921 |
|
1922 |
REQ_SEND; |
1923 |
} |
1924 |
|
1925 |
void |
1926 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
1927 |
PPCODE: |
1928 |
{ |
1929 |
dREQ; |
1930 |
|
1931 |
req->int2 = mode; |
1932 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
1933 |
|
1934 |
REQ_SEND; |
1935 |
} |
1936 |
|
1937 |
void |
1938 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
1939 |
PPCODE: |
1940 |
{ |
1941 |
dREQ; |
1942 |
|
1943 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
1944 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
1945 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
1946 |
|
1947 |
REQ_SEND; |
1948 |
} |
1949 |
|
1950 |
void |
1951 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
1952 |
PPCODE: |
1953 |
{ |
1954 |
dREQ; |
1955 |
|
1956 |
req->type = EIO_READDIR; |
1957 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
1958 |
|
1959 |
if (flags & EIO_READDIR_DENTS) |
1960 |
req->int1 |= EIO_READDIR_CUSTOM2; |
1961 |
|
1962 |
req_set_path1 (req, pathname); |
1963 |
|
1964 |
REQ_SEND; |
1965 |
} |
1966 |
|
1967 |
void |
1968 |
aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
1969 |
PPCODE: |
1970 |
{ |
1971 |
dREQ; |
1972 |
|
1973 |
req->type = EIO_MKDIR; |
1974 |
req->int2 = mode; |
1975 |
req_set_path1 (req, pathname); |
1976 |
|
1977 |
REQ_SEND; |
1978 |
} |
1979 |
|
1980 |
void |
1981 |
aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
1982 |
ALIAS: |
1983 |
aio_unlink = EIO_UNLINK |
1984 |
aio_rmdir = EIO_RMDIR |
1985 |
aio_readdir = EIO_READDIR |
1986 |
PPCODE: |
1987 |
{ |
1988 |
dREQ; |
1989 |
|
1990 |
req->type = ix; |
1991 |
req_set_path1 (req, pathname); |
1992 |
|
1993 |
REQ_SEND; |
1994 |
} |
1995 |
|
1996 |
void |
1997 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
1998 |
ALIAS: |
1999 |
aio_link = EIO_LINK |
2000 |
aio_symlink = EIO_SYMLINK |
2001 |
aio_rename = EIO_RENAME |
2002 |
PPCODE: |
2003 |
{ |
2004 |
eio_wd wd2 = 0; |
2005 |
dREQ; |
2006 |
|
2007 |
req->type = ix; |
2008 |
req_set_path1 (req, oldpath); |
2009 |
req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
2010 |
req->int3 = (long)wd2; |
2011 |
|
2012 |
REQ_SEND; |
2013 |
} |
2014 |
|
2015 |
void |
2016 |
aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
2017 |
PPCODE: |
2018 |
{ |
2019 |
eio_wd wd2 = 0; |
2020 |
dREQ; |
2021 |
|
2022 |
req->type = EIO_RENAME; |
2023 |
req_set_path1 (req, oldpath); |
2024 |
req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
2025 |
req->int2 = flags; |
2026 |
req->int3 = (long)wd2; |
2027 |
|
2028 |
REQ_SEND; |
2029 |
} |
2030 |
|
2031 |
void |
2032 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
2033 |
PPCODE: |
2034 |
{ |
2035 |
dREQ; |
2036 |
|
2037 |
req->type = EIO_MKNOD; |
2038 |
req->int2 = (mode_t)mode; |
2039 |
req->offs = dev; |
2040 |
req_set_path1 (req, pathname); |
2041 |
|
2042 |
REQ_SEND; |
2043 |
} |
2044 |
|
2045 |
void |
2046 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
2047 |
ALIAS: |
2048 |
aio_mtouch = EIO_MTOUCH |
2049 |
aio_msync = EIO_MSYNC |
2050 |
PPCODE: |
2051 |
{ |
2052 |
STRLEN svlen; |
2053 |
char *svptr = SvPVbyte (data, svlen); |
2054 |
UV len = SvUV (length); |
2055 |
|
2056 |
if (flags < 0) |
2057 |
flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
2058 |
|
2059 |
if (offset < 0) |
2060 |
offset += svlen; |
2061 |
|
2062 |
if (offset < 0 || offset > svlen) |
2063 |
croak ("offset outside of scalar"); |
2064 |
|
2065 |
if (!SvOK (length) || len + offset > svlen) |
2066 |
len = svlen - offset; |
2067 |
|
2068 |
{ |
2069 |
dREQ; |
2070 |
|
2071 |
req->type = ix; |
2072 |
req->sv2 = SvREFCNT_inc (data); |
2073 |
req->ptr2 = (char *)svptr + offset; |
2074 |
req->size = len; |
2075 |
req->int1 = flags; |
2076 |
|
2077 |
REQ_SEND; |
2078 |
} |
2079 |
} |
2080 |
|
2081 |
void |
2082 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
2083 |
PPCODE: |
2084 |
{ |
2085 |
STRLEN svlen; |
2086 |
char *svptr = SvPVbyte (data, svlen); |
2087 |
UV len = SvUV (length); |
2088 |
|
2089 |
if (offset < 0) |
2090 |
offset += svlen; |
2091 |
|
2092 |
if (offset < 0 || offset > svlen) |
2093 |
croak ("offset outside of scalar"); |
2094 |
|
2095 |
if (!SvOK (length) || len + offset > svlen) |
2096 |
len = svlen - offset; |
2097 |
|
2098 |
{ |
2099 |
dREQ; |
2100 |
|
2101 |
req->type = EIO_MLOCK; |
2102 |
req->sv2 = SvREFCNT_inc (data); |
2103 |
req->ptr2 = (char *)svptr + offset; |
2104 |
req->size = len; |
2105 |
|
2106 |
REQ_SEND; |
2107 |
} |
2108 |
} |
2109 |
|
2110 |
void |
2111 |
aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
2112 |
PPCODE: |
2113 |
{ |
2114 |
dREQ; |
2115 |
|
2116 |
req->type = EIO_MLOCKALL; |
2117 |
req->int1 = flags; |
2118 |
|
2119 |
REQ_SEND; |
2120 |
} |
2121 |
|
2122 |
void |
2123 |
aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
2124 |
PPCODE: |
2125 |
{ |
2126 |
int fd = s_fileno_croak (fh, 0); |
2127 |
dREQ; |
2128 |
|
2129 |
req->type = EIO_CUSTOM; |
2130 |
req->sv1 = newSVsv (fh); |
2131 |
req->int1 = fd; |
2132 |
|
2133 |
req->feed = fiemap; |
2134 |
#if HAVE_FIEMAP |
2135 |
/* keep our fingers crossed that the next two types are 64 bit */ |
2136 |
req->offs = start; |
2137 |
req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
2138 |
req->int2 = flags; |
2139 |
req->int3 = SvOK (count) ? SvIV (count) : -1; |
2140 |
#endif |
2141 |
|
2142 |
REQ_SEND; |
2143 |
} |
2144 |
|
2145 |
void |
2146 |
aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef) |
2147 |
PPCODE: |
2148 |
{ |
2149 |
char *svptr = 0; |
2150 |
|
2151 |
sv_clear_foreign (data); |
2152 |
|
2153 |
if (length) /* known length, directly read into scalar */ |
2154 |
{ |
2155 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
2156 |
svptr = sv_grow (data, length + 1); |
2157 |
else if (SvCUR (data) < length) |
2158 |
croak ("length outside of scalar, and cannot grow"); |
2159 |
else |
2160 |
svptr = SvPVbyte_nolen (data); |
2161 |
} |
2162 |
|
2163 |
{ |
2164 |
dREQ; |
2165 |
|
2166 |
req->type = EIO_SLURP; |
2167 |
req_set_path1 (req, pathname); |
2168 |
req->offs = offset; |
2169 |
req->size = length; |
2170 |
req->sv2 = SvREFCNT_inc (data); |
2171 |
req->ptr2 = svptr; |
2172 |
|
2173 |
if (!SvREADONLY (data)) |
2174 |
{ |
2175 |
SvREADONLY_on (data); |
2176 |
req->flags |= FLAG_SV2_RO_OFF; |
2177 |
} |
2178 |
|
2179 |
REQ_SEND; |
2180 |
} |
2181 |
} |
2182 |
|
2183 |
void |
2184 |
aio_busy (double delay, SV *callback = &PL_sv_undef) |
2185 |
PPCODE: |
2186 |
{ |
2187 |
dREQ; |
2188 |
|
2189 |
req->type = EIO_BUSY; |
2190 |
req->nv1 = delay < 0. ? 0. : delay; |
2191 |
|
2192 |
REQ_SEND; |
2193 |
} |
2194 |
|
2195 |
void |
2196 |
aio_group (SV *callback = &PL_sv_undef) |
2197 |
PPCODE: |
2198 |
{ |
2199 |
dREQ; |
2200 |
|
2201 |
req->type = EIO_GROUP; |
2202 |
|
2203 |
PUTBACK; |
2204 |
req_submit (req); |
2205 |
SPAGAIN; |
2206 |
|
2207 |
XPUSHs (req_sv (req, aio_grp_stash)); |
2208 |
} |
2209 |
|
2210 |
void |
2211 |
aio_nop (SV *callback = &PL_sv_undef) |
2212 |
ALIAS: |
2213 |
aio_nop = EIO_NOP |
2214 |
aio_sync = EIO_SYNC |
2215 |
PPCODE: |
2216 |
{ |
2217 |
dREQ; |
2218 |
|
2219 |
req->type = ix; |
2220 |
|
2221 |
REQ_SEND; |
2222 |
} |
2223 |
|
2224 |
int |
2225 |
aioreq_pri (int pri = NO_INIT) |
2226 |
CODE: |
2227 |
RETVAL = next_pri; |
2228 |
if (items > 0) |
2229 |
{ |
2230 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
2231 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
2232 |
next_pri = pri; |
2233 |
} |
2234 |
OUTPUT: |
2235 |
RETVAL |
2236 |
|
2237 |
void |
2238 |
aioreq_nice (int nice = 0) |
2239 |
CODE: |
2240 |
nice = next_pri - nice; |
2241 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
2242 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
2243 |
next_pri = nice; |
2244 |
|
2245 |
void |
2246 |
flush () |
2247 |
CODE: |
2248 |
while (eio_nreqs ()) |
2249 |
{ |
2250 |
poll_wait (); |
2251 |
poll_cb (); |
2252 |
} |
2253 |
|
2254 |
int |
2255 |
poll () |
2256 |
CODE: |
2257 |
poll_wait (); |
2258 |
RETVAL = poll_cb (); |
2259 |
OUTPUT: |
2260 |
RETVAL |
2261 |
|
2262 |
int |
2263 |
poll_fileno () |
2264 |
CODE: |
2265 |
RETVAL = s_epipe_fd (&respipe); |
2266 |
OUTPUT: |
2267 |
RETVAL |
2268 |
|
2269 |
int |
2270 |
poll_cb (...) |
2271 |
PROTOTYPE: |
2272 |
CODE: |
2273 |
RETVAL = poll_cb (); |
2274 |
OUTPUT: |
2275 |
RETVAL |
2276 |
|
2277 |
void |
2278 |
poll_wait () |
2279 |
CODE: |
2280 |
poll_wait (); |
2281 |
|
2282 |
int |
2283 |
nreqs () |
2284 |
CODE: |
2285 |
RETVAL = eio_nreqs (); |
2286 |
OUTPUT: |
2287 |
RETVAL |
2288 |
|
2289 |
int |
2290 |
nready () |
2291 |
CODE: |
2292 |
RETVAL = eio_nready (); |
2293 |
OUTPUT: |
2294 |
RETVAL |
2295 |
|
2296 |
int |
2297 |
npending () |
2298 |
CODE: |
2299 |
RETVAL = eio_npending (); |
2300 |
OUTPUT: |
2301 |
RETVAL |
2302 |
|
2303 |
int |
2304 |
nthreads () |
2305 |
CODE: |
2306 |
RETVAL = eio_nthreads (); |
2307 |
OUTPUT: |
2308 |
RETVAL |
2309 |
|
2310 |
int |
2311 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
2312 |
CODE: |
2313 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
2314 |
OUTPUT: |
2315 |
RETVAL |
2316 |
|
2317 |
IV |
2318 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
2319 |
CODE: |
2320 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
2321 |
OUTPUT: |
2322 |
RETVAL |
2323 |
|
2324 |
void |
2325 |
mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
2326 |
PPCODE: |
2327 |
sv_clear_foreign (scalar); |
2328 |
{ |
2329 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
2330 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
2331 |
if (addr == (void *)-1) |
2332 |
XSRETURN_NO; |
2333 |
|
2334 |
sv_set_foreign (scalar, &mmap_vtbl, addr, length); |
2335 |
|
2336 |
if (!(prot & PROT_WRITE)) |
2337 |
SvREADONLY_on (scalar); |
2338 |
|
2339 |
XSRETURN_YES; |
2340 |
} |
2341 |
|
2342 |
void |
2343 |
munmap (SV *scalar) |
2344 |
CODE: |
2345 |
sv_clear_foreign (scalar); |
2346 |
|
2347 |
SV * |
2348 |
mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0) |
2349 |
CODE: |
2350 |
{ |
2351 |
MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl); |
2352 |
void *new; |
2353 |
|
2354 |
if (!mg || SvPVX (scalar) != mg->mg_ptr) |
2355 |
croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified"); |
2356 |
|
2357 |
new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address); |
2358 |
|
2359 |
RETVAL = &PL_sv_no; |
2360 |
|
2361 |
if (new != (void *)-1) |
2362 |
{ |
2363 |
RETVAL = new == (void *)mg->mg_ptr |
2364 |
? newSVpvn ("0 but true", 10) |
2365 |
: &PL_sv_yes; |
2366 |
|
2367 |
mg->mg_ptr = (char *)new; |
2368 |
mg->mg_obj = (SV *)new_length; |
2369 |
|
2370 |
SvPVX (scalar) = mg->mg_ptr; |
2371 |
SvCUR_set (scalar, new_length); |
2372 |
} |
2373 |
} |
2374 |
OUTPUT: |
2375 |
RETVAL |
2376 |
|
2377 |
int |
2378 |
madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
2379 |
ALIAS: |
2380 |
mprotect = 1 |
2381 |
CODE: |
2382 |
{ |
2383 |
STRLEN svlen; |
2384 |
void *addr = SvPVbyte (scalar, svlen); |
2385 |
STRLEN len = SvUV (length); |
2386 |
|
2387 |
if (offset < 0) |
2388 |
offset += svlen; |
2389 |
|
2390 |
if (offset < 0 || offset > svlen) |
2391 |
croak ("offset outside of scalar"); |
2392 |
|
2393 |
if (!SvOK (length) || len + offset > svlen) |
2394 |
len = svlen - offset; |
2395 |
|
2396 |
addr = (void *)(((intptr_t)addr) + offset); |
2397 |
eio_page_align (&addr, &len); |
2398 |
|
2399 |
switch (ix) |
2400 |
{ |
2401 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
2402 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
2403 |
} |
2404 |
} |
2405 |
OUTPUT: |
2406 |
RETVAL |
2407 |
|
2408 |
int |
2409 |
munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef) |
2410 |
CODE: |
2411 |
{ |
2412 |
STRLEN svlen; |
2413 |
void *addr = SvPVbyte (scalar, svlen); |
2414 |
size_t len = SvUV (length); |
2415 |
|
2416 |
if (offset < 0) |
2417 |
offset += svlen; |
2418 |
|
2419 |
if (offset < 0 || offset > svlen) |
2420 |
croak ("offset outside of scalar"); |
2421 |
|
2422 |
if (!SvOK (length) || len + offset > svlen) |
2423 |
len = svlen - offset; |
2424 |
|
2425 |
addr = (void *)(((intptr_t)addr) + offset); |
2426 |
eio_page_align (&addr, &len); |
2427 |
#if _POSIX_MEMLOCK_RANGE |
2428 |
RETVAL = munlock (addr, len); |
2429 |
#else |
2430 |
RETVAL = EIO_ENOSYS (); |
2431 |
#endif |
2432 |
} |
2433 |
OUTPUT: |
2434 |
RETVAL |
2435 |
|
2436 |
int |
2437 |
mlockall (int flags) |
2438 |
PROTOTYPE: $; |
2439 |
CODE: |
2440 |
RETVAL = eio_mlockall_sync (flags); |
2441 |
OUTPUT: |
2442 |
RETVAL |
2443 |
|
2444 |
int |
2445 |
munlockall () |
2446 |
CODE: |
2447 |
#if _POSIX_MEMLOCK |
2448 |
munlockall (); |
2449 |
#else |
2450 |
RETVAL = EIO_ENOSYS (); |
2451 |
#endif |
2452 |
OUTPUT: |
2453 |
RETVAL |
2454 |
|
2455 |
int |
2456 |
statx (SV8 *pathname, int flags, UV mask) |
2457 |
CODE: |
2458 |
{ |
2459 |
/* undocumented, and might go away, and anyway, should use eio_statx */ |
2460 |
SV *wdsv = 0; |
2461 |
SV *pathsv = 0; |
2462 |
eio_wd wd = EIO_CWD; |
2463 |
void *ptr; |
2464 |
int res; |
2465 |
|
2466 |
req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr); |
2467 |
RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx); |
2468 |
|
2469 |
SvREFCNT_dec (pathsv); |
2470 |
SvREFCNT_dec (wdsv); |
2471 |
} |
2472 |
OUTPUT: |
2473 |
RETVAL |
2474 |
|
2475 |
U32 |
2476 |
stx_mode () |
2477 |
PROTOTYPE: |
2478 |
CODE: |
2479 |
#if HAVE_STATX |
2480 |
RETVAL = stx.stx_mode; |
2481 |
#else |
2482 |
XSRETURN_UNDEF; |
2483 |
#endif |
2484 |
OUTPUT: |
2485 |
RETVAL |
2486 |
|
2487 |
#define STATX_OFFSET_mask statx_offsetof (stx_mask) |
2488 |
#define STATX_OFFSET_blksize statx_offsetof (stx_blksize) |
2489 |
#define STATX_OFFSET_nlink statx_offsetof (stx_nlink) |
2490 |
#define STATX_OFFSET_uid statx_offsetof (stx_uid) |
2491 |
#define STATX_OFFSET_gid statx_offsetof (stx_gid) |
2492 |
#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major) |
2493 |
#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor) |
2494 |
#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major) |
2495 |
#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor) |
2496 |
#define STATX_OFFSET_attributes statx_offsetof (stx_attributes) |
2497 |
#define STATX_OFFSET_ino statx_offsetof (stx_ino) |
2498 |
#define STATX_OFFSET_size statx_offsetof (stx_size) |
2499 |
#define STATX_OFFSET_blocks statx_offsetof (stx_blocks) |
2500 |
#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask) |
2501 |
#define STATX_OFFSET_atime statx_offsetof (stx_atime) |
2502 |
#define STATX_OFFSET_btime statx_offsetof (stx_btime) |
2503 |
#define STATX_OFFSET_ctime statx_offsetof (stx_ctime) |
2504 |
#define STATX_OFFSET_mtime statx_offsetof (stx_mtime) |
2505 |
|
2506 |
U32 |
2507 |
stx_mask () |
2508 |
PROTOTYPE: |
2509 |
ALIAS: |
2510 |
stx_mask = STATX_OFFSET_mask |
2511 |
stx_blksize = STATX_OFFSET_blksize |
2512 |
stx_nlink = STATX_OFFSET_nlink |
2513 |
stx_uid = STATX_OFFSET_uid |
2514 |
stx_gid = STATX_OFFSET_gid |
2515 |
stx_rdev_major = STATX_OFFSET_rdev_major |
2516 |
stx_rdev_minor = STATX_OFFSET_rdev_minor |
2517 |
stx_dev_major = STATX_OFFSET_dev_major |
2518 |
stx_dev_minor = STATX_OFFSET_dev_minor |
2519 |
CODE: |
2520 |
#if HAVE_STATX |
2521 |
RETVAL = *(__u32 *)((char *)&stx + ix); |
2522 |
#else |
2523 |
XSRETURN_UNDEF; |
2524 |
#endif |
2525 |
OUTPUT: |
2526 |
RETVAL |
2527 |
|
2528 |
VAL64 |
2529 |
stx_attributes () |
2530 |
PROTOTYPE: |
2531 |
ALIAS: |
2532 |
stx_attributes = STATX_OFFSET_attributes |
2533 |
stx_ino = STATX_OFFSET_ino |
2534 |
stx_size = STATX_OFFSET_size |
2535 |
stx_blocks = STATX_OFFSET_blocks |
2536 |
stx_attributes_mask = STATX_OFFSET_attributes_mask |
2537 |
CODE: |
2538 |
#if HAVE_STATX |
2539 |
RETVAL = *(__u64 *)((char *)&stx + ix); |
2540 |
#else |
2541 |
XSRETURN_UNDEF; |
2542 |
#endif |
2543 |
OUTPUT: |
2544 |
RETVAL |
2545 |
|
2546 |
NV |
2547 |
stx_atime () |
2548 |
PROTOTYPE: |
2549 |
ALIAS: |
2550 |
stx_atime = STATX_OFFSET_atime |
2551 |
stx_btime = STATX_OFFSET_btime |
2552 |
stx_ctime = STATX_OFFSET_ctime |
2553 |
stx_mtime = STATX_OFFSET_mtime |
2554 |
CODE: |
2555 |
#if HAVE_STATX |
2556 |
struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
2557 |
RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9; |
2558 |
#else |
2559 |
XSRETURN_UNDEF; |
2560 |
#endif |
2561 |
OUTPUT: |
2562 |
RETVAL |
2563 |
|
2564 |
VAL64 |
2565 |
stx_atimesec () |
2566 |
PROTOTYPE: |
2567 |
ALIAS: |
2568 |
stx_atimesec = STATX_OFFSET_atime |
2569 |
stx_btimesec = STATX_OFFSET_btime |
2570 |
stx_ctimesec = STATX_OFFSET_ctime |
2571 |
stx_mtimesec = STATX_OFFSET_mtime |
2572 |
CODE: |
2573 |
#if HAVE_STATX |
2574 |
struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
2575 |
RETVAL = ts->tv_sec; |
2576 |
#else |
2577 |
XSRETURN_UNDEF; |
2578 |
#endif |
2579 |
OUTPUT: |
2580 |
RETVAL |
2581 |
|
2582 |
U32 |
2583 |
stx_atimensec () |
2584 |
PROTOTYPE: |
2585 |
ALIAS: |
2586 |
stx_atimensec = STATX_OFFSET_atime |
2587 |
stx_btimensec = STATX_OFFSET_btime |
2588 |
stx_ctimensec = STATX_OFFSET_ctime |
2589 |
stx_mtimensec = STATX_OFFSET_mtime |
2590 |
CODE: |
2591 |
#if HAVE_STATX |
2592 |
struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix); |
2593 |
RETVAL = ts->tv_nsec; |
2594 |
#else |
2595 |
RETVAL = 0; |
2596 |
#endif |
2597 |
OUTPUT: |
2598 |
RETVAL |
2599 |
|
2600 |
void |
2601 |
accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags) |
2602 |
PPCODE: |
2603 |
{ |
2604 |
SV *retval; |
2605 |
#if HAVE_ACCEPT4 |
2606 |
socklen_t salen_ = salen ? salen + 1 : 0; |
2607 |
|
2608 |
if (salen) |
2609 |
{ |
2610 |
sv_upgrade (sockaddr, SVt_PV); |
2611 |
sv_grow (sockaddr, salen_); |
2612 |
} |
2613 |
|
2614 |
int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags); |
2615 |
|
2616 |
retval = newmortalFH (res, O_RDWR); |
2617 |
|
2618 |
if (res >= 0 && salen > 0) |
2619 |
{ |
2620 |
if (salen_ > salen + 1) |
2621 |
salen_ = salen + 1; |
2622 |
|
2623 |
SvPOK_only (sockaddr); |
2624 |
SvCUR_set (sockaddr, salen_); |
2625 |
} |
2626 |
#else |
2627 |
errno = ENOSYS; |
2628 |
retval = &PL_sv_undef; |
2629 |
#endif |
2630 |
XPUSHs (retval); |
2631 |
} |
2632 |
|
2633 |
ssize_t |
2634 |
splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
2635 |
CODE: |
2636 |
{ |
2637 |
#if HAVE_LINUX_SPLICE |
2638 |
loff_t off_in_, off_out_; |
2639 |
RETVAL = splice ( |
2640 |
rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
2641 |
wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
2642 |
length, flags |
2643 |
); |
2644 |
#else |
2645 |
RETVAL = EIO_ENOSYS (); |
2646 |
#endif |
2647 |
} |
2648 |
OUTPUT: |
2649 |
RETVAL |
2650 |
|
2651 |
ssize_t |
2652 |
tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
2653 |
CODE: |
2654 |
#if HAVE_LINUX_SPLICE |
2655 |
RETVAL = tee (rfh, wfh, length, flags); |
2656 |
#else |
2657 |
RETVAL = EIO_ENOSYS (); |
2658 |
#endif |
2659 |
OUTPUT: |
2660 |
RETVAL |
2661 |
|
2662 |
int |
2663 |
pipesize (aio_rfd rfh, int new_size = -1) |
2664 |
PROTOTYPE: $;$ |
2665 |
CODE: |
2666 |
#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
2667 |
if (new_size >= 0) |
2668 |
RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
2669 |
else |
2670 |
RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
2671 |
#else |
2672 |
errno = ENOSYS; |
2673 |
RETVAL = -1; |
2674 |
#endif |
2675 |
OUTPUT: |
2676 |
RETVAL |
2677 |
|
2678 |
void |
2679 |
pipe2 (int flags = 0) |
2680 |
PROTOTYPE: ;$ |
2681 |
PPCODE: |
2682 |
{ |
2683 |
int fd[2]; |
2684 |
int res; |
2685 |
|
2686 |
if (flags) |
2687 |
#if HAVE_PIPE2 |
2688 |
res = pipe2 (fd, flags); |
2689 |
#else |
2690 |
res = (errno = ENOSYS, -1); |
2691 |
#endif |
2692 |
else |
2693 |
res = pipe (fd); |
2694 |
|
2695 |
if (!res) |
2696 |
{ |
2697 |
EXTEND (SP, 2); |
2698 |
PUSHs (newmortalFH (fd[0], O_RDONLY)); |
2699 |
PUSHs (newmortalFH (fd[1], O_WRONLY)); |
2700 |
} |
2701 |
} |
2702 |
|
2703 |
void |
2704 |
pidfd_open (int pid, unsigned int flags = 0) |
2705 |
PPCODE: |
2706 |
{ |
2707 |
/*GENDEF0_SYSCALL(pidfd_open,434)*/ |
2708 |
int fd = syscall (SYS_pidfd_open, pid, flags); |
2709 |
XPUSHs (newmortalFH (fd, O_RDWR)); |
2710 |
} |
2711 |
|
2712 |
int |
2713 |
pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0) |
2714 |
PPCODE: |
2715 |
{ |
2716 |
int res; |
2717 |
#if HAVE_SIGINFO_T |
2718 |
siginfo_t si = { 0 }; |
2719 |
|
2720 |
if (SvOK (siginfo)) |
2721 |
{ |
2722 |
HV *hv; |
2723 |
SV **svp; |
2724 |
|
2725 |
if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV) |
2726 |
croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught"); |
2727 |
|
2728 |
hv = (HV *)SvRV (siginfo); |
2729 |
|
2730 |
if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp); |
2731 |
if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp); |
2732 |
if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp); |
2733 |
if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp); |
2734 |
if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp); |
2735 |
} |
2736 |
|
2737 |
/*GENDEF0_SYSCALL(pidfd_send_signal,424)*/ |
2738 |
res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags); |
2739 |
#else |
2740 |
res = (errno = ENOSYS, -1); |
2741 |
#endif |
2742 |
|
2743 |
XPUSHs (sv_2mortal (newSViv (res))); |
2744 |
} |
2745 |
|
2746 |
void |
2747 |
pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0) |
2748 |
PPCODE: |
2749 |
{ |
2750 |
/*GENDEF0_SYSCALL(pidfd_getfd,438)*/ |
2751 |
int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags); |
2752 |
XPUSHs (newmortalFH (fd, O_RDWR)); |
2753 |
} |
2754 |
|
2755 |
void |
2756 |
eventfd (unsigned int initval = 0, int flags = 0) |
2757 |
PPCODE: |
2758 |
{ |
2759 |
int fd; |
2760 |
#if HAVE_EVENTFD |
2761 |
fd = eventfd (initval, flags); |
2762 |
#else |
2763 |
fd = (errno = ENOSYS, -1); |
2764 |
#endif |
2765 |
|
2766 |
XPUSHs (newmortalFH (fd, O_RDWR)); |
2767 |
} |
2768 |
|
2769 |
void |
2770 |
timerfd_create (int clockid, int flags = 0) |
2771 |
PPCODE: |
2772 |
{ |
2773 |
int fd; |
2774 |
#if HAVE_TIMERFD |
2775 |
fd = timerfd_create (clockid, flags); |
2776 |
#else |
2777 |
fd = (errno = ENOSYS, -1); |
2778 |
#endif |
2779 |
|
2780 |
XPUSHs (newmortalFH (fd, O_RDWR)); |
2781 |
} |
2782 |
|
2783 |
void |
2784 |
timerfd_settime (SV *fh, int flags, NV interval, NV value) |
2785 |
PPCODE: |
2786 |
{ |
2787 |
int fd = s_fileno_croak (fh, 0); |
2788 |
#if HAVE_TIMERFD |
2789 |
int res; |
2790 |
struct itimerspec its, ots; |
2791 |
|
2792 |
ts_set (&its.it_interval, interval); |
2793 |
ts_set (&its.it_value , value); |
2794 |
res = timerfd_settime (fd, flags, &its, &ots); |
2795 |
|
2796 |
if (!res) |
2797 |
{ |
2798 |
EXTEND (SP, 2); |
2799 |
PUSHs (newSVnv (ts_get (&ots.it_interval))); |
2800 |
PUSHs (newSVnv (ts_get (&ots.it_value))); |
2801 |
} |
2802 |
#else |
2803 |
errno = ENOSYS; |
2804 |
#endif |
2805 |
} |
2806 |
|
2807 |
void |
2808 |
timerfd_gettime (SV *fh) |
2809 |
PPCODE: |
2810 |
{ |
2811 |
int fd = s_fileno_croak (fh, 0); |
2812 |
#if HAVE_TIMERFD |
2813 |
int res; |
2814 |
struct itimerspec ots; |
2815 |
res = timerfd_gettime (fd, &ots); |
2816 |
|
2817 |
if (!res) |
2818 |
{ |
2819 |
EXTEND (SP, 2); |
2820 |
PUSHs (newSVnv (ts_get (&ots.it_interval))); |
2821 |
PUSHs (newSVnv (ts_get (&ots.it_value))); |
2822 |
} |
2823 |
#else |
2824 |
errno = ENOSYS; |
2825 |
#endif |
2826 |
} |
2827 |
|
2828 |
void |
2829 |
memfd_create (SV8 *pathname, int flags = 0) |
2830 |
PPCODE: |
2831 |
{ |
2832 |
int fd; |
2833 |
#if HAVE_MEMFD_CREATE |
2834 |
fd = memfd_create (SvPVbyte_nolen (pathname), flags); |
2835 |
#else |
2836 |
fd = (errno = ENOSYS, -1); |
2837 |
#endif |
2838 |
|
2839 |
XPUSHs (newmortalFH (fd, O_RDWR)); |
2840 |
} |
2841 |
|
2842 |
int |
2843 |
fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef) |
2844 |
CODE: |
2845 |
{ |
2846 |
int fd = PerlIO_fileno (IoIFP (sv_2io (fh))); |
2847 |
char **envp, **argv; |
2848 |
argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings"); |
2849 |
if (!SvOK (envs)) |
2850 |
{ |
2851 |
extern char **environ; |
2852 |
envp = environ; |
2853 |
} |
2854 |
else |
2855 |
envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings"); |
2856 |
#if _POSIX_VERSION >= 200809L |
2857 |
RETVAL = fexecve (fd, argv, envp); |
2858 |
#else |
2859 |
RETVAL = (errno = ENOSYS, -1); |
2860 |
#endif |
2861 |
} |
2862 |
OUTPUT: RETVAL |
2863 |
|
2864 |
UV |
2865 |
get_fdlimit () |
2866 |
CODE: |
2867 |
#if HAVE_RLIMITS |
2868 |
struct rlimit rl; |
2869 |
if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
2870 |
XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur); |
2871 |
#endif |
2872 |
XSRETURN_UNDEF; |
2873 |
OUTPUT: |
2874 |
RETVAL |
2875 |
|
2876 |
void |
2877 |
min_fdlimit (UV limit = 0x7fffffffU) |
2878 |
CODE: |
2879 |
{ |
2880 |
#if HAVE_RLIMITS |
2881 |
struct rlimit rl; |
2882 |
rlim_t orig_rlim_max; |
2883 |
UV bit; |
2884 |
|
2885 |
if (0 != getrlimit (RLIMIT_NOFILE, &rl)) |
2886 |
goto fail; |
2887 |
|
2888 |
if (rl.rlim_cur == RLIM_INFINITY) |
2889 |
XSRETURN_YES; |
2890 |
|
2891 |
orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max; |
2892 |
|
2893 |
if (rl.rlim_cur < limit) |
2894 |
{ |
2895 |
rl.rlim_cur = limit; |
2896 |
|
2897 |
if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY) |
2898 |
rl.rlim_max = rl.rlim_cur; |
2899 |
} |
2900 |
|
2901 |
if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2902 |
XSRETURN_YES; |
2903 |
|
2904 |
if (errno == EPERM) |
2905 |
{ |
2906 |
/* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */ |
2907 |
/* our limit overflows a system-wide limit */ |
2908 |
/* try an adaptive algorithm, but do not lower the hardlimit */ |
2909 |
rl.rlim_max = 0; |
2910 |
for (bit = 0x40000000U; bit; bit >>= 1) |
2911 |
{ |
2912 |
rl.rlim_max |= bit; |
2913 |
rl.rlim_cur = rl.rlim_max; |
2914 |
|
2915 |
/* never decrease the hard limit */ |
2916 |
if (rl.rlim_max < orig_rlim_max) |
2917 |
break; |
2918 |
|
2919 |
if (0 != setrlimit (RLIMIT_NOFILE, &rl)) |
2920 |
rl.rlim_max &= ~bit; /* too high, remove bit again */ |
2921 |
} |
2922 |
|
2923 |
/* now, raise the soft limit to the max permitted */ |
2924 |
if (0 == getrlimit (RLIMIT_NOFILE, &rl)) |
2925 |
{ |
2926 |
rl.rlim_cur = rl.rlim_max; |
2927 |
if (0 == setrlimit (RLIMIT_NOFILE, &rl)) |
2928 |
errno = EPERM; |
2929 |
} |
2930 |
} |
2931 |
#endif |
2932 |
fail: |
2933 |
XSRETURN_UNDEF; |
2934 |
} |
2935 |
|
2936 |
void _on_next_submit (SV *cb) |
2937 |
CODE: |
2938 |
SvREFCNT_dec (on_next_submit); |
2939 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
2940 |
|
2941 |
PROTOTYPES: DISABLE |
2942 |
|
2943 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
2944 |
|
2945 |
BOOT: |
2946 |
{ |
2947 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
2948 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
2949 |
} |
2950 |
|
2951 |
void |
2952 |
DESTROY (SV *self) |
2953 |
CODE: |
2954 |
{ |
2955 |
aio_wd wd = SvAIO_WD (self); |
2956 |
#if HAVE_AT |
2957 |
{ |
2958 |
SV *callback = &PL_sv_undef; |
2959 |
dREQ; /* clobbers next_pri :/ */ |
2960 |
next_pri = req->pri; /* restore next_pri */ |
2961 |
req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
2962 |
req->type = EIO_WD_CLOSE; |
2963 |
req->wd = wd; |
2964 |
REQ_SEND; |
2965 |
} |
2966 |
#else |
2967 |
eio_wd_close_sync (wd); |
2968 |
#endif |
2969 |
} |
2970 |
|
2971 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
2972 |
|
2973 |
void |
2974 |
cancel (aio_req_ornot req) |
2975 |
CODE: |
2976 |
eio_cancel (req); |
2977 |
|
2978 |
void |
2979 |
cb (aio_req_ornot req, SV *callback = NO_INIT) |
2980 |
PPCODE: |
2981 |
{ |
2982 |
if (GIMME_V != G_VOID) |
2983 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
2984 |
|
2985 |
if (items > 1) |
2986 |
{ |
2987 |
SV *cb_cv = get_cb (callback); |
2988 |
|
2989 |
SvREFCNT_dec (req->callback); |
2990 |
req->callback = SvREFCNT_inc (cb_cv); |
2991 |
} |
2992 |
} |
2993 |
|
2994 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
2995 |
|
2996 |
void |
2997 |
add (aio_req grp, ...) |
2998 |
PPCODE: |
2999 |
{ |
3000 |
int i; |
3001 |
|
3002 |
if (grp->int1 == 2) |
3003 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
3004 |
|
3005 |
for (i = 1; i < items; ++i ) |
3006 |
{ |
3007 |
aio_req req; |
3008 |
|
3009 |
if (GIMME_V != G_VOID) |
3010 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
3011 |
|
3012 |
req = SvAIO_REQ (ST (i)); |
3013 |
|
3014 |
if (req) |
3015 |
eio_grp_add (grp, req); |
3016 |
} |
3017 |
} |
3018 |
|
3019 |
void |
3020 |
cancel_subs (aio_req_ornot req) |
3021 |
CODE: |
3022 |
req_cancel_subs (req); |
3023 |
|
3024 |
void |
3025 |
result (aio_req grp, ...) |
3026 |
CODE: |
3027 |
{ |
3028 |
int i; |
3029 |
AV *av; |
3030 |
|
3031 |
grp->errorno = errno; |
3032 |
|
3033 |
av = newAV (); |
3034 |
av_extend (av, items - 1); |
3035 |
|
3036 |
for (i = 1; i < items; ++i ) |
3037 |
av_push (av, newSVsv (ST (i))); |
3038 |
|
3039 |
SvREFCNT_dec (grp->sv1); |
3040 |
grp->sv1 = (SV *)av; |
3041 |
} |
3042 |
|
3043 |
void |
3044 |
errno (aio_req grp, int errorno = errno) |
3045 |
CODE: |
3046 |
grp->errorno = errorno; |
3047 |
|
3048 |
void |
3049 |
limit (aio_req grp, int limit) |
3050 |
CODE: |
3051 |
eio_grp_limit (grp, limit); |
3052 |
|
3053 |
void |
3054 |
feed (aio_req grp, SV *callback = &PL_sv_undef) |
3055 |
CODE: |
3056 |
{ |
3057 |
SvREFCNT_dec (grp->sv2); |
3058 |
grp->sv2 = newSVsv (callback); |
3059 |
grp->feed = aio_grp_feed; |
3060 |
|
3061 |
if (grp->int2 <= 0) |
3062 |
grp->int2 = 2; |
3063 |
|
3064 |
eio_grp_limit (grp, grp->int2); |
3065 |
} |
3066 |
|