| 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 |
/* 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 |
|
| 81 |
#define EIO_STRUCT_STAT struct _stati64 |
| 82 |
#define EIO_STRUCT_STATI64 |
| 83 |
|
| 84 |
#else |
| 85 |
|
| 86 |
#include <sys/time.h> |
| 87 |
#include <sys/select.h> |
| 88 |
#include <unistd.h> |
| 89 |
#include <utime.h> |
| 90 |
#include <signal.h> |
| 91 |
|
| 92 |
#define EIO_STRUCT_STAT Stat_t |
| 93 |
|
| 94 |
#endif |
| 95 |
|
| 96 |
/*****************************************************************************/ |
| 97 |
|
| 98 |
#if __GNUC__ >= 3 |
| 99 |
# define expect(expr,value) __builtin_expect ((expr),(value)) |
| 100 |
#else |
| 101 |
# define expect(expr,value) (expr) |
| 102 |
#endif |
| 103 |
|
| 104 |
#define expect_false(expr) expect ((expr) != 0, 0) |
| 105 |
#define expect_true(expr) expect ((expr) != 0, 1) |
| 106 |
|
| 107 |
/*****************************************************************************/ |
| 108 |
|
| 109 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
| 110 |
typedef int aio_rfd; /* read file desriptor */ |
| 111 |
typedef int aio_wfd; /* write file descriptor */ |
| 112 |
|
| 113 |
static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; |
| 114 |
|
| 115 |
#define EIO_REQ_MEMBERS \ |
| 116 |
SV *callback; \ |
| 117 |
SV *sv1, *sv2; \ |
| 118 |
SV *sv3, *sv4; \ |
| 119 |
STRLEN stroffset; \ |
| 120 |
SV *self; |
| 121 |
|
| 122 |
#define EIO_NO_WRAPPERS 1 |
| 123 |
|
| 124 |
#include "libeio/config.h" |
| 125 |
#include "libeio/eio.h" |
| 126 |
|
| 127 |
static int req_invoke (eio_req *req); |
| 128 |
#define EIO_FINISH(req) req_invoke (req) |
| 129 |
static void req_destroy (eio_req *grp); |
| 130 |
#define EIO_DESTROY(req) req_destroy (req) |
| 131 |
|
| 132 |
#include "libeio/eio.c" |
| 133 |
|
| 134 |
#if !HAVE_POSIX_FADVISE |
| 135 |
# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
| 136 |
#endif |
| 137 |
|
| 138 |
#if !HAVE_POSIX_MADVISE |
| 139 |
# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
| 140 |
#endif |
| 141 |
|
| 142 |
#ifndef MAP_ANONYMOUS |
| 143 |
# ifdef MAP_ANON |
| 144 |
# define MAP_ANONYMOUS MAP_ANON |
| 145 |
# else |
| 146 |
# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
| 147 |
# endif |
| 148 |
#endif |
| 149 |
|
| 150 |
/* defines all sorts of constants to 0 unless they are already defined */ |
| 151 |
/* also provides const_iv_ and const_niv_ macros for them */ |
| 152 |
#include "def0.h" |
| 153 |
|
| 154 |
#ifndef makedev |
| 155 |
# define makedev(maj,min) (((maj) << 8) | (min)) |
| 156 |
#endif |
| 157 |
#ifndef major |
| 158 |
# define major(dev) ((dev) >> 8) |
| 159 |
#endif |
| 160 |
#ifndef minor |
| 161 |
# define minor(dev) ((dev) & 0xff) |
| 162 |
#endif |
| 163 |
|
| 164 |
#if PAGESIZE <= 0 |
| 165 |
# define PAGESIZE sysconf (_SC_PAGESIZE) |
| 166 |
#endif |
| 167 |
|
| 168 |
/*****************************************************************************/ |
| 169 |
|
| 170 |
static void |
| 171 |
fiemap (eio_req *req) |
| 172 |
{ |
| 173 |
req->result = -1; |
| 174 |
|
| 175 |
#if HAVE_FIEMAP |
| 176 |
/* assume some c99 */ |
| 177 |
struct fiemap *fiemap = 0; |
| 178 |
size_t end_offset; |
| 179 |
int count = req->int3; |
| 180 |
|
| 181 |
req->flags |= EIO_FLAG_PTR1_FREE; |
| 182 |
|
| 183 |
/* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */ |
| 184 |
/* increase in 3.5kb steps */ |
| 185 |
if (count < 0) |
| 186 |
count = 8; |
| 187 |
|
| 188 |
fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
| 189 |
errno = ENOMEM; |
| 190 |
if (!fiemap) |
| 191 |
return; |
| 192 |
|
| 193 |
req->ptr1 = fiemap; |
| 194 |
|
| 195 |
fiemap->fm_start = req->offs; |
| 196 |
fiemap->fm_length = req->size; |
| 197 |
fiemap->fm_flags = req->int2; |
| 198 |
fiemap->fm_extent_count = count; |
| 199 |
|
| 200 |
if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0) |
| 201 |
return; |
| 202 |
|
| 203 |
if (req->int3 >= 0 /* not autosizing */ |
| 204 |
|| !fiemap->fm_mapped_extents /* no more extents */ |
| 205 |
|| fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */) |
| 206 |
goto done; |
| 207 |
|
| 208 |
/* else we have to loop - |
| 209 |
* it would be tempting (actually I tried that first) to just query the |
| 210 |
* number of extents needed, but linux often feels like not returning all |
| 211 |
* extents, without telling us it left any out. this complicates |
| 212 |
* this quite a bit. |
| 213 |
*/ |
| 214 |
|
| 215 |
end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start); |
| 216 |
|
| 217 |
for (;;) |
| 218 |
{ |
| 219 |
/* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */ |
| 220 |
char scratch[3072]; |
| 221 |
struct fiemap *incmap = (struct fiemap *)scratch; |
| 222 |
|
| 223 |
incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical |
| 224 |
+ fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length; |
| 225 |
incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start); |
| 226 |
incmap->fm_flags = fiemap->fm_flags; |
| 227 |
incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent); |
| 228 |
|
| 229 |
if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0) |
| 230 |
return; |
| 231 |
|
| 232 |
if (!incmap->fm_mapped_extents) |
| 233 |
goto done; |
| 234 |
|
| 235 |
count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents; |
| 236 |
fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); |
| 237 |
errno = ENOMEM; |
| 238 |
if (!fiemap) |
| 239 |
return; |
| 240 |
|
| 241 |
req->ptr1 = fiemap; |
| 242 |
|
| 243 |
for (count = 0; count < incmap->fm_mapped_extents; ++count) |
| 244 |
{ |
| 245 |
struct fiemap_extent *e = incmap->fm_extents + count; |
| 246 |
|
| 247 |
if (e->fe_logical + e->fe_length >= end_offset) |
| 248 |
goto done; |
| 249 |
|
| 250 |
fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e; |
| 251 |
|
| 252 |
if (e->fe_flags & FIEMAP_EXTENT_LAST) |
| 253 |
goto done; |
| 254 |
|
| 255 |
} |
| 256 |
} |
| 257 |
|
| 258 |
done: |
| 259 |
req->result = 0; |
| 260 |
|
| 261 |
#else |
| 262 |
errno = ENOSYS; |
| 263 |
#endif |
| 264 |
} |
| 265 |
|
| 266 |
/*****************************************************************************/ |
| 267 |
|
| 268 |
enum { |
| 269 |
FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
| 270 |
}; |
| 271 |
|
| 272 |
typedef eio_req *aio_req; |
| 273 |
typedef eio_req *aio_req_ornot; |
| 274 |
typedef eio_wd aio_wd; |
| 275 |
|
| 276 |
static SV *on_next_submit; |
| 277 |
static int next_pri = EIO_PRI_DEFAULT; |
| 278 |
static int max_outstanding; |
| 279 |
|
| 280 |
static s_epipe respipe; |
| 281 |
|
| 282 |
static void req_destroy (aio_req req); |
| 283 |
static void req_cancel (aio_req req); |
| 284 |
|
| 285 |
static void |
| 286 |
want_poll (void) |
| 287 |
{ |
| 288 |
/* write a dummy byte to the pipe so fh becomes ready */ |
| 289 |
s_epipe_signal (&respipe); |
| 290 |
} |
| 291 |
|
| 292 |
static void |
| 293 |
done_poll (void) |
| 294 |
{ |
| 295 |
/* read any signals sent by the worker threads */ |
| 296 |
s_epipe_drain (&respipe); |
| 297 |
} |
| 298 |
|
| 299 |
/* must be called at most once */ |
| 300 |
static SV * |
| 301 |
req_sv (aio_req req, HV *stash) |
| 302 |
{ |
| 303 |
if (!req->self) |
| 304 |
{ |
| 305 |
req->self = (SV *)newHV (); |
| 306 |
sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
| 307 |
} |
| 308 |
|
| 309 |
return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); |
| 310 |
} |
| 311 |
|
| 312 |
static SV * |
| 313 |
newSVaio_wd (aio_wd wd) |
| 314 |
{ |
| 315 |
return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash); |
| 316 |
} |
| 317 |
|
| 318 |
static aio_req |
| 319 |
SvAIO_REQ (SV *sv) |
| 320 |
{ |
| 321 |
MAGIC *mg; |
| 322 |
|
| 323 |
if (!SvROK (sv) |
| 324 |
/* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
| 325 |
|| (SvSTASH (SvRV (sv)) != aio_grp_stash |
| 326 |
&& SvSTASH (SvRV (sv)) != aio_req_stash |
| 327 |
&& !sv_derived_from (sv, "IO::AIO::REQ"))) |
| 328 |
croak ("object of class IO::AIO::REQ expected"); |
| 329 |
|
| 330 |
mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
| 331 |
|
| 332 |
return mg ? (aio_req)mg->mg_ptr : 0; |
| 333 |
} |
| 334 |
|
| 335 |
static aio_wd |
| 336 |
SvAIO_WD (SV *sv) |
| 337 |
{ |
| 338 |
if (!SvROK (sv) |
| 339 |
|| SvTYPE (SvRV (sv)) != SVt_PVMG |
| 340 |
|| SvSTASH (SvRV (sv)) != aio_wd_stash) |
| 341 |
croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
| 342 |
|
| 343 |
return (aio_wd)(long)SvIVX (SvRV (sv)); |
| 344 |
} |
| 345 |
|
| 346 |
static SV * |
| 347 |
newmortalFH (int fd, int flags) |
| 348 |
{ |
| 349 |
if (fd < 0) |
| 350 |
return &PL_sv_undef; |
| 351 |
|
| 352 |
GV *gv = (GV *)sv_newmortal (); |
| 353 |
char sym[64]; |
| 354 |
int symlen; |
| 355 |
|
| 356 |
symlen = snprintf (sym, sizeof (sym), "fd#%d", fd); |
| 357 |
gv_init (gv, aio_stash, sym, symlen, 0); |
| 358 |
|
| 359 |
symlen = snprintf ( |
| 360 |
sym, |
| 361 |
sizeof (sym), |
| 362 |
"%s&=%d", |
| 363 |
flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<", |
| 364 |
fd |
| 365 |
); |
| 366 |
|
| 367 |
return do_open (gv, sym, symlen, 0, 0, 0, 0) |
| 368 |
? (SV *)gv : &PL_sv_undef; |
| 369 |
} |
| 370 |
|
| 371 |
static void |
| 372 |
aio_grp_feed (aio_req grp) |
| 373 |
{ |
| 374 |
if (grp->sv2 && SvOK (grp->sv2)) |
| 375 |
{ |
| 376 |
dSP; |
| 377 |
|
| 378 |
ENTER; |
| 379 |
SAVETMPS; |
| 380 |
PUSHMARK (SP); |
| 381 |
XPUSHs (req_sv (grp, aio_grp_stash)); |
| 382 |
PUTBACK; |
| 383 |
call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); |
| 384 |
SPAGAIN; |
| 385 |
FREETMPS; |
| 386 |
LEAVE; |
| 387 |
} |
| 388 |
} |
| 389 |
|
| 390 |
static void |
| 391 |
req_submit (eio_req *req) |
| 392 |
{ |
| 393 |
eio_submit (req); |
| 394 |
|
| 395 |
if (expect_false (on_next_submit)) |
| 396 |
{ |
| 397 |
dSP; |
| 398 |
SV *cb = sv_2mortal (on_next_submit); |
| 399 |
|
| 400 |
on_next_submit = 0; |
| 401 |
|
| 402 |
PUSHMARK (SP); |
| 403 |
PUTBACK; |
| 404 |
call_sv (cb, G_DISCARD | G_EVAL); |
| 405 |
} |
| 406 |
} |
| 407 |
|
| 408 |
static int |
| 409 |
req_invoke (eio_req *req) |
| 410 |
{ |
| 411 |
if (req->flags & FLAG_SV2_RO_OFF) |
| 412 |
SvREADONLY_off (req->sv2); |
| 413 |
|
| 414 |
if (!EIO_CANCELLED (req) && req->callback) |
| 415 |
{ |
| 416 |
dSP; |
| 417 |
static SV *sv_result_cache; /* caches the result integer SV */ |
| 418 |
SV *sv_result; |
| 419 |
|
| 420 |
ENTER; |
| 421 |
SAVETMPS; |
| 422 |
PUSHMARK (SP); |
| 423 |
EXTEND (SP, 1); |
| 424 |
|
| 425 |
/* do not recreate the result IV from scratch each time */ |
| 426 |
if (expect_true (sv_result_cache)) |
| 427 |
{ |
| 428 |
sv_result = sv_result_cache; sv_result_cache = 0; |
| 429 |
SvIV_set (sv_result, req->result); |
| 430 |
SvIOK_only (sv_result); |
| 431 |
} |
| 432 |
else |
| 433 |
{ |
| 434 |
sv_result = newSViv (req->result); |
| 435 |
SvREADONLY_on (sv_result); |
| 436 |
} |
| 437 |
|
| 438 |
switch (req->type) |
| 439 |
{ |
| 440 |
case EIO_WD_OPEN: |
| 441 |
PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
| 442 |
break; |
| 443 |
|
| 444 |
case EIO_READDIR: |
| 445 |
{ |
| 446 |
SV *rv = &PL_sv_undef; |
| 447 |
|
| 448 |
if (req->result >= 0) |
| 449 |
{ |
| 450 |
int i; |
| 451 |
char *names = (char *)req->ptr2; |
| 452 |
eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */ |
| 453 |
AV *av = newAV (); |
| 454 |
|
| 455 |
av_extend (av, req->result - 1); |
| 456 |
|
| 457 |
for (i = 0; i < req->result; ++i) |
| 458 |
{ |
| 459 |
if (req->int1 & EIO_READDIR_DENTS) |
| 460 |
{ |
| 461 |
SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen); |
| 462 |
|
| 463 |
if (req->int1 & EIO_READDIR_CUSTOM2) |
| 464 |
{ |
| 465 |
static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ |
| 466 |
AV *avent = newAV (); |
| 467 |
|
| 468 |
av_extend (avent, 2); |
| 469 |
|
| 470 |
if (!sv_type [ent->type]) |
| 471 |
{ |
| 472 |
sv_type [ent->type] = newSViv (ent->type); |
| 473 |
SvREADONLY_on (sv_type [ent->type]); |
| 474 |
} |
| 475 |
|
| 476 |
av_store (avent, 0, namesv); |
| 477 |
av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type])); |
| 478 |
av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode)); |
| 479 |
|
| 480 |
av_store (av, i, newRV_noinc ((SV *)avent)); |
| 481 |
} |
| 482 |
else |
| 483 |
av_store (av, i, namesv); |
| 484 |
|
| 485 |
++ent; |
| 486 |
} |
| 487 |
else |
| 488 |
{ |
| 489 |
SV *name = newSVpv (names, 0); |
| 490 |
av_store (av, i, name); |
| 491 |
names += SvCUR (name) + 1; |
| 492 |
} |
| 493 |
} |
| 494 |
|
| 495 |
rv = sv_2mortal (newRV_noinc ((SV *)av)); |
| 496 |
} |
| 497 |
|
| 498 |
PUSHs (rv); |
| 499 |
|
| 500 |
if (req->int1 & EIO_READDIR_CUSTOM1) |
| 501 |
XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); |
| 502 |
} |
| 503 |
break; |
| 504 |
|
| 505 |
case EIO_OPEN: |
| 506 |
PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR))); |
| 507 |
break; |
| 508 |
|
| 509 |
case EIO_STATVFS: |
| 510 |
case EIO_FSTATVFS: |
| 511 |
{ |
| 512 |
SV *rv = &PL_sv_undef; |
| 513 |
|
| 514 |
#ifndef _WIN32 |
| 515 |
if (req->result >= 0) |
| 516 |
{ |
| 517 |
EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); |
| 518 |
HV *hv = newHV (); |
| 519 |
/* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom |
| 520 |
* chooses to make it a struct. |
| 521 |
*/ |
| 522 |
unsigned long fsid = 0; |
| 523 |
memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid)); |
| 524 |
|
| 525 |
rv = sv_2mortal (newRV_noinc ((SV *)hv)); |
| 526 |
|
| 527 |
hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); |
| 528 |
hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); |
| 529 |
hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); |
| 530 |
hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); |
| 531 |
hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); |
| 532 |
hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); |
| 533 |
hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); |
| 534 |
hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); |
| 535 |
hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0); |
| 536 |
hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); |
| 537 |
hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); |
| 538 |
} |
| 539 |
#endif |
| 540 |
|
| 541 |
PUSHs (rv); |
| 542 |
} |
| 543 |
|
| 544 |
break; |
| 545 |
|
| 546 |
case EIO_GROUP: |
| 547 |
req->int1 = 2; /* mark group as finished */ |
| 548 |
|
| 549 |
if (req->sv1) |
| 550 |
{ |
| 551 |
int i; |
| 552 |
AV *av = (AV *)req->sv1; |
| 553 |
|
| 554 |
EXTEND (SP, AvFILL (av) + 1); |
| 555 |
for (i = 0; i <= AvFILL (av); ++i) |
| 556 |
PUSHs (*av_fetch (av, i, 0)); |
| 557 |
} |
| 558 |
break; |
| 559 |
|
| 560 |
case EIO_NOP: |
| 561 |
case EIO_BUSY: |
| 562 |
break; |
| 563 |
|
| 564 |
case EIO_READLINK: |
| 565 |
case EIO_REALPATH: |
| 566 |
if (req->result > 0) |
| 567 |
PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); |
| 568 |
break; |
| 569 |
|
| 570 |
case EIO_STAT: |
| 571 |
case EIO_LSTAT: |
| 572 |
case EIO_FSTAT: |
| 573 |
PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
| 574 |
|
| 575 |
if (!(PL_laststatval = req->result)) |
| 576 |
/* if compilation fails here then perl's Stat_t is not struct _stati64 */ |
| 577 |
PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
| 578 |
|
| 579 |
PUSHs (sv_result); |
| 580 |
break; |
| 581 |
|
| 582 |
case EIO_SEEK: |
| 583 |
PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs))); |
| 584 |
break; |
| 585 |
|
| 586 |
case EIO_READ: |
| 587 |
{ |
| 588 |
SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
| 589 |
*SvEND (req->sv2) = 0; |
| 590 |
SvPOK_only (req->sv2); |
| 591 |
SvSETMAGIC (req->sv2); |
| 592 |
PUSHs (sv_result); |
| 593 |
} |
| 594 |
break; |
| 595 |
|
| 596 |
case EIO_CUSTOM: |
| 597 |
if (req->feed == fiemap) |
| 598 |
{ |
| 599 |
#if HAVE_FIEMAP |
| 600 |
if (!req->result) |
| 601 |
{ |
| 602 |
struct fiemap *fiemap = (struct fiemap *)req->ptr1; |
| 603 |
|
| 604 |
if (fiemap->fm_extent_count) |
| 605 |
{ |
| 606 |
AV *av = newAV (); |
| 607 |
int i; |
| 608 |
|
| 609 |
while (fiemap->fm_mapped_extents) |
| 610 |
{ |
| 611 |
struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents]; |
| 612 |
AV *ext_av = newAV (); |
| 613 |
|
| 614 |
av_store (ext_av, 3, newSVuv (extent->fe_flags)); |
| 615 |
av_store (ext_av, 2, newSVval64 (extent->fe_length)); |
| 616 |
av_store (ext_av, 1, newSVval64 (extent->fe_physical)); |
| 617 |
av_store (ext_av, 0, newSVval64 (extent->fe_logical)); |
| 618 |
|
| 619 |
av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av)); |
| 620 |
} |
| 621 |
|
| 622 |
PUSHs (sv_2mortal (newRV_noinc ((SV *)av))); |
| 623 |
} |
| 624 |
else |
| 625 |
{ |
| 626 |
SvIV_set (sv_result, fiemap->fm_mapped_extents); |
| 627 |
PUSHs (sv_result); |
| 628 |
} |
| 629 |
} |
| 630 |
#endif |
| 631 |
} |
| 632 |
else |
| 633 |
PUSHs (sv_result); |
| 634 |
break; |
| 635 |
|
| 636 |
case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ |
| 637 |
if (req->result > 0) |
| 638 |
SvIV_set (sv_result, 0); |
| 639 |
/* FALLTHROUGH */ |
| 640 |
|
| 641 |
default: |
| 642 |
PUSHs (sv_result); |
| 643 |
break; |
| 644 |
} |
| 645 |
|
| 646 |
errno = req->errorno; |
| 647 |
|
| 648 |
PUTBACK; |
| 649 |
call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
| 650 |
SPAGAIN; |
| 651 |
|
| 652 |
if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
| 653 |
SvREFCNT_dec (sv_result); |
| 654 |
else |
| 655 |
sv_result_cache = sv_result; |
| 656 |
|
| 657 |
FREETMPS; |
| 658 |
LEAVE; |
| 659 |
|
| 660 |
PUTBACK; |
| 661 |
} |
| 662 |
|
| 663 |
return !!SvTRUE (ERRSV); |
| 664 |
} |
| 665 |
|
| 666 |
static void |
| 667 |
req_destroy (aio_req req) |
| 668 |
{ |
| 669 |
if (req->self) |
| 670 |
{ |
| 671 |
sv_unmagic (req->self, PERL_MAGIC_ext); |
| 672 |
SvREFCNT_dec (req->self); |
| 673 |
} |
| 674 |
|
| 675 |
SvREFCNT_dec (req->sv1); |
| 676 |
SvREFCNT_dec (req->sv2); |
| 677 |
SvREFCNT_dec (req->sv3); |
| 678 |
SvREFCNT_dec (req->sv4); |
| 679 |
SvREFCNT_dec (req->callback); |
| 680 |
|
| 681 |
free (req); |
| 682 |
} |
| 683 |
|
| 684 |
static void |
| 685 |
req_cancel_subs (aio_req grp) |
| 686 |
{ |
| 687 |
if (grp->type != EIO_GROUP) |
| 688 |
return; |
| 689 |
|
| 690 |
SvREFCNT_dec (grp->sv2); |
| 691 |
grp->sv2 = 0; |
| 692 |
|
| 693 |
eio_grp_cancel (grp); |
| 694 |
} |
| 695 |
|
| 696 |
static void ecb_cold |
| 697 |
create_respipe (void) |
| 698 |
{ |
| 699 |
if (s_epipe_renew (&respipe)) |
| 700 |
croak ("IO::AIO: unable to initialize result pipe"); |
| 701 |
} |
| 702 |
|
| 703 |
static void |
| 704 |
poll_wait (void) |
| 705 |
{ |
| 706 |
while (eio_nreqs ()) |
| 707 |
{ |
| 708 |
int size; |
| 709 |
|
| 710 |
X_LOCK (EIO_POOL->reslock); |
| 711 |
size = EIO_POOL->res_queue.size; |
| 712 |
X_UNLOCK (EIO_POOL->reslock); |
| 713 |
|
| 714 |
if (size) |
| 715 |
return; |
| 716 |
|
| 717 |
etp_maybe_start_thread (EIO_POOL); |
| 718 |
|
| 719 |
s_epipe_wait (&respipe); |
| 720 |
} |
| 721 |
} |
| 722 |
|
| 723 |
static int |
| 724 |
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) EIO_ENOSYS () |
| 753 |
# define munmap(addr,length) EIO_ENOSYS () |
| 754 |
#endif |
| 755 |
|
| 756 |
#if !_POSIX_MEMORY_PROTECTION |
| 757 |
# define mprotect(addr,len,prot) EIO_ENOSYS () |
| 758 |
#endif |
| 759 |
|
| 760 |
#define MMAP_MAGIC PERL_MAGIC_ext |
| 761 |
|
| 762 |
static int ecb_cold |
| 763 |
mmap_free (pTHX_ SV *sv, MAGIC *mg) |
| 764 |
{ |
| 765 |
int old_errno = errno; |
| 766 |
munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
| 767 |
errno = old_errno; |
| 768 |
|
| 769 |
mg->mg_obj = 0; /* just in case */ |
| 770 |
|
| 771 |
SvREADONLY_off (sv); |
| 772 |
|
| 773 |
if (SvPVX (sv) != mg->mg_ptr) |
| 774 |
croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
| 775 |
|
| 776 |
SvCUR_set (sv, 0); |
| 777 |
SvPVX (sv) = 0; |
| 778 |
SvOK_off (sv); |
| 779 |
|
| 780 |
return 0; |
| 781 |
} |
| 782 |
|
| 783 |
static MGVTBL mmap_vtbl = { |
| 784 |
0, 0, 0, 0, mmap_free |
| 785 |
}; |
| 786 |
|
| 787 |
/*****************************************************************************/ |
| 788 |
|
| 789 |
static SV * |
| 790 |
get_cb (SV *cb_sv) |
| 791 |
{ |
| 792 |
SvGETMAGIC (cb_sv); |
| 793 |
return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
| 794 |
} |
| 795 |
|
| 796 |
static aio_req ecb_noinline |
| 797 |
dreq (SV *callback) |
| 798 |
{ |
| 799 |
SV *cb_cv; |
| 800 |
aio_req req; |
| 801 |
int req_pri = next_pri; |
| 802 |
next_pri = EIO_PRI_DEFAULT; |
| 803 |
|
| 804 |
cb_cv = get_cb (callback); |
| 805 |
|
| 806 |
req = calloc (sizeof (*req), 1); |
| 807 |
if (!req) |
| 808 |
croak ("out of memory during eio_req allocation"); |
| 809 |
|
| 810 |
req->callback = SvREFCNT_inc (cb_cv); |
| 811 |
req->pri = req_pri; |
| 812 |
|
| 813 |
return req; |
| 814 |
} |
| 815 |
|
| 816 |
#define dREQ \ |
| 817 |
aio_req req = dreq (callback); \ |
| 818 |
|
| 819 |
#define REQ_SEND \ |
| 820 |
PUTBACK; \ |
| 821 |
req_submit (req); \ |
| 822 |
SPAGAIN; \ |
| 823 |
\ |
| 824 |
if (GIMME_V != G_VOID) \ |
| 825 |
XPUSHs (req_sv (req, aio_req_stash)); |
| 826 |
|
| 827 |
ecb_inline void |
| 828 |
req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
| 829 |
{ |
| 830 |
if (expect_false (SvROK (path))) |
| 831 |
{ |
| 832 |
SV *rv = SvRV (path); |
| 833 |
SV *wdob; |
| 834 |
|
| 835 |
if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
| 836 |
{ |
| 837 |
path = AvARRAY (rv)[1]; |
| 838 |
wdob = AvARRAY (rv)[0]; |
| 839 |
|
| 840 |
if (SvOK (wdob)) |
| 841 |
{ |
| 842 |
*wd = SvAIO_WD (wdob); |
| 843 |
*wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
| 844 |
} |
| 845 |
else |
| 846 |
*wd = EIO_INVALID_WD; |
| 847 |
} |
| 848 |
else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
| 849 |
{ |
| 850 |
*wd = (aio_wd)(long)SvIVX (rv); |
| 851 |
*wdsv = SvREFCNT_inc_NN (rv); |
| 852 |
*ptr = "."; |
| 853 |
return; /* path set to "." */ |
| 854 |
} |
| 855 |
else |
| 856 |
croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
| 857 |
} |
| 858 |
|
| 859 |
*pathsv = newSVsv (path); |
| 860 |
*ptr = SvPVbyte_nolen (*pathsv); |
| 861 |
} |
| 862 |
|
| 863 |
static void ecb_noinline |
| 864 |
req_set_path1 (aio_req req, SV *path) |
| 865 |
{ |
| 866 |
req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
| 867 |
} |
| 868 |
|
| 869 |
static void ecb_noinline |
| 870 |
req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
| 871 |
{ |
| 872 |
SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
| 873 |
|
| 874 |
switch (SvTYPE (rv)) |
| 875 |
{ |
| 876 |
case SVt_PVIO: |
| 877 |
case SVt_PVLV: |
| 878 |
case SVt_PVGV: |
| 879 |
req->type = type_fh; |
| 880 |
req->sv1 = newSVsv (fh_or_path); |
| 881 |
req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path))); |
| 882 |
break; |
| 883 |
|
| 884 |
default: |
| 885 |
req->type = type_path; |
| 886 |
req_set_path1 (req, fh_or_path); |
| 887 |
break; |
| 888 |
} |
| 889 |
} |
| 890 |
|
| 891 |
XS(boot_IO__AIO) ecb_cold; |
| 892 |
|
| 893 |
MODULE = IO::AIO PACKAGE = IO::AIO |
| 894 |
|
| 895 |
PROTOTYPES: ENABLE |
| 896 |
|
| 897 |
BOOT: |
| 898 |
{ |
| 899 |
static const struct { |
| 900 |
const char *name; |
| 901 |
IV iv; |
| 902 |
} *civ, const_iv[] = { |
| 903 |
# define const_niv(name, value) { # name, (IV) value }, |
| 904 |
# define const_iv(name) { # name, (IV) name }, |
| 905 |
# define const_eio(name) { # name, (IV) EIO_ ## name }, |
| 906 |
|
| 907 |
/* you have to re-run ./gendef0 after adding/removing any constants here */ |
| 908 |
/* the first block can be undef if missing */ |
| 909 |
const_iv (ENOSYS) |
| 910 |
const_iv (EXDEV) |
| 911 |
const_iv (EBADR) |
| 912 |
|
| 913 |
/* for lseek */ |
| 914 |
const_iv (SEEK_DATA) |
| 915 |
const_iv (SEEK_HOLE) |
| 916 |
|
| 917 |
const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
| 918 |
const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
| 919 |
const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
| 920 |
const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
| 921 |
const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
| 922 |
const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
| 923 |
|
| 924 |
const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
| 925 |
const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
| 926 |
const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
| 927 |
const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
| 928 |
const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
| 929 |
|
| 930 |
/* the second block will be 0 when missing */ |
| 931 |
const_iv (O_RDONLY) |
| 932 |
const_iv (O_WRONLY) |
| 933 |
const_iv (O_RDWR) |
| 934 |
const_iv (O_CREAT) |
| 935 |
const_iv (O_TRUNC) |
| 936 |
const_iv (O_EXCL) |
| 937 |
const_iv (O_APPEND) |
| 938 |
|
| 939 |
const_iv (O_ASYNC) |
| 940 |
const_iv (O_DIRECT) |
| 941 |
const_iv (O_NOATIME) |
| 942 |
|
| 943 |
const_iv (O_CLOEXEC) |
| 944 |
const_iv (O_NOCTTY) |
| 945 |
const_iv (O_NOFOLLOW) |
| 946 |
const_iv (O_NONBLOCK) |
| 947 |
const_iv (O_EXEC) |
| 948 |
const_iv (O_SEARCH) |
| 949 |
const_iv (O_DIRECTORY) |
| 950 |
const_iv (O_DSYNC) |
| 951 |
const_iv (O_RSYNC) |
| 952 |
const_iv (O_SYNC) |
| 953 |
const_iv (O_PATH) |
| 954 |
const_iv (O_TMPFILE) |
| 955 |
const_iv (O_TTY_INIT) |
| 956 |
|
| 957 |
const_iv (S_IFIFO) |
| 958 |
const_iv (S_IFCHR) |
| 959 |
const_iv (S_IFBLK) |
| 960 |
const_iv (S_IFLNK) |
| 961 |
const_iv (S_IFREG) |
| 962 |
const_iv (S_IFDIR) |
| 963 |
const_iv (S_IFWHT) |
| 964 |
const_iv (S_IFSOCK) |
| 965 |
const_iv (S_IFMT) |
| 966 |
|
| 967 |
const_iv (ST_RDONLY) |
| 968 |
const_iv (ST_NOSUID) |
| 969 |
const_iv (ST_NODEV) |
| 970 |
const_iv (ST_NOEXEC) |
| 971 |
const_iv (ST_SYNCHRONOUS) |
| 972 |
const_iv (ST_MANDLOCK) |
| 973 |
const_iv (ST_WRITE) |
| 974 |
const_iv (ST_APPEND) |
| 975 |
const_iv (ST_IMMUTABLE) |
| 976 |
const_iv (ST_NOATIME) |
| 977 |
const_iv (ST_NODIRATIME) |
| 978 |
const_iv (ST_RELATIME) |
| 979 |
|
| 980 |
const_iv (PROT_NONE) |
| 981 |
const_iv (PROT_EXEC) |
| 982 |
const_iv (PROT_READ) |
| 983 |
const_iv (PROT_WRITE) |
| 984 |
|
| 985 |
const_iv (MAP_PRIVATE) |
| 986 |
const_iv (MAP_SHARED) |
| 987 |
const_iv (MAP_FIXED) |
| 988 |
const_iv (MAP_ANONYMOUS) |
| 989 |
|
| 990 |
/* linuxish */ |
| 991 |
const_iv (MAP_LOCKED) |
| 992 |
const_iv (MAP_NORESERVE) |
| 993 |
const_iv (MAP_POPULATE) |
| 994 |
const_iv (MAP_NONBLOCK) |
| 995 |
const_iv (MAP_GROWSDOWN) |
| 996 |
const_iv (MAP_32BIT) |
| 997 |
const_iv (MAP_HUGETLB) |
| 998 |
const_iv (MAP_STACK) |
| 999 |
|
| 1000 |
const_iv (F_DUPFD_CLOEXEC) |
| 1001 |
|
| 1002 |
const_iv (F_OFD_GETLK) |
| 1003 |
const_iv (F_OFD_SETLK) |
| 1004 |
const_iv (F_OFD_GETLKW) |
| 1005 |
|
| 1006 |
const_iv (FIFREEZE) |
| 1007 |
const_iv (FITHAW) |
| 1008 |
const_iv (FITRIM) |
| 1009 |
const_iv (FICLONE) |
| 1010 |
const_iv (FICLONERANGE) |
| 1011 |
const_iv (FIDEDUPERANGE) |
| 1012 |
|
| 1013 |
const_iv (FS_IOC_GETFLAGS) |
| 1014 |
const_iv (FS_IOC_SETFLAGS) |
| 1015 |
const_iv (FS_IOC_GETVERSION) |
| 1016 |
const_iv (FS_IOC_SETVERSION) |
| 1017 |
const_iv (FS_IOC_FIEMAP) |
| 1018 |
const_iv (FS_IOC_FSGETXATTR) |
| 1019 |
const_iv (FS_IOC_FSSETXATTR) |
| 1020 |
const_iv (FS_IOC_SET_ENCRYPTION_POLICY) |
| 1021 |
const_iv (FS_IOC_GET_ENCRYPTION_PWSALT) |
| 1022 |
const_iv (FS_IOC_GET_ENCRYPTION_POLICY) |
| 1023 |
|
| 1024 |
const_iv (FS_KEY_DESCRIPTOR_SIZE) |
| 1025 |
|
| 1026 |
const_iv (FS_SECRM_FL) |
| 1027 |
const_iv (FS_UNRM_FL) |
| 1028 |
const_iv (FS_COMPR_FL) |
| 1029 |
const_iv (FS_SYNC_FL) |
| 1030 |
const_iv (FS_IMMUTABLE_FL) |
| 1031 |
const_iv (FS_APPEND_FL) |
| 1032 |
const_iv (FS_NODUMP_FL) |
| 1033 |
const_iv (FS_NOATIME_FL) |
| 1034 |
const_iv (FS_DIRTY_FL) |
| 1035 |
const_iv (FS_COMPRBLK_FL) |
| 1036 |
const_iv (FS_NOCOMP_FL) |
| 1037 |
const_iv (FS_ENCRYPT_FL) |
| 1038 |
const_iv (FS_BTREE_FL) |
| 1039 |
const_iv (FS_INDEX_FL) |
| 1040 |
const_iv (FS_JOURNAL_DATA_FL) |
| 1041 |
const_iv (FS_NOTAIL_FL) |
| 1042 |
const_iv (FS_DIRSYNC_FL) |
| 1043 |
const_iv (FS_TOPDIR_FL) |
| 1044 |
const_iv (FS_FL_USER_MODIFIABLE) |
| 1045 |
|
| 1046 |
const_iv (FS_XFLAG_REALTIME) |
| 1047 |
const_iv (FS_XFLAG_PREALLOC) |
| 1048 |
const_iv (FS_XFLAG_IMMUTABLE) |
| 1049 |
const_iv (FS_XFLAG_APPEND) |
| 1050 |
const_iv (FS_XFLAG_SYNC) |
| 1051 |
const_iv (FS_XFLAG_NOATIME) |
| 1052 |
const_iv (FS_XFLAG_NODUMP) |
| 1053 |
const_iv (FS_XFLAG_RTINHERIT) |
| 1054 |
const_iv (FS_XFLAG_PROJINHERIT) |
| 1055 |
const_iv (FS_XFLAG_NOSYMLINKS) |
| 1056 |
const_iv (FS_XFLAG_EXTSIZE) |
| 1057 |
const_iv (FS_XFLAG_EXTSZINHERIT) |
| 1058 |
const_iv (FS_XFLAG_NODEFRAG) |
| 1059 |
const_iv (FS_XFLAG_FILESTREAM) |
| 1060 |
const_iv (FS_XFLAG_DAX) |
| 1061 |
const_iv (FS_XFLAG_HASATTR) |
| 1062 |
|
| 1063 |
const_iv (FIEMAP_FLAG_SYNC) |
| 1064 |
const_iv (FIEMAP_FLAG_XATTR) |
| 1065 |
const_iv (FIEMAP_FLAGS_COMPAT) |
| 1066 |
const_iv (FIEMAP_EXTENT_LAST) |
| 1067 |
const_iv (FIEMAP_EXTENT_UNKNOWN) |
| 1068 |
const_iv (FIEMAP_EXTENT_DELALLOC) |
| 1069 |
const_iv (FIEMAP_EXTENT_ENCODED) |
| 1070 |
const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED) |
| 1071 |
const_iv (FIEMAP_EXTENT_NOT_ALIGNED) |
| 1072 |
const_iv (FIEMAP_EXTENT_DATA_INLINE) |
| 1073 |
const_iv (FIEMAP_EXTENT_DATA_TAIL) |
| 1074 |
const_iv (FIEMAP_EXTENT_UNWRITTEN) |
| 1075 |
const_iv (FIEMAP_EXTENT_MERGED) |
| 1076 |
const_iv (FIEMAP_EXTENT_SHARED) |
| 1077 |
|
| 1078 |
const_iv (SPLICE_F_MOVE) |
| 1079 |
const_iv (SPLICE_F_NONBLOCK) |
| 1080 |
const_iv (SPLICE_F_MORE) |
| 1081 |
const_iv (SPLICE_F_GIFT) |
| 1082 |
|
| 1083 |
/* these are libeio constants, and are independent of gendef0 */ |
| 1084 |
const_eio (SEEK_SET) |
| 1085 |
const_eio (SEEK_CUR) |
| 1086 |
const_eio (SEEK_END) |
| 1087 |
|
| 1088 |
const_eio (MCL_FUTURE) |
| 1089 |
const_eio (MCL_CURRENT) |
| 1090 |
|
| 1091 |
const_eio (MS_ASYNC) |
| 1092 |
const_eio (MS_INVALIDATE) |
| 1093 |
const_eio (MS_SYNC) |
| 1094 |
|
| 1095 |
const_eio (MT_MODIFY) |
| 1096 |
|
| 1097 |
const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) |
| 1098 |
const_eio (SYNC_FILE_RANGE_WRITE) |
| 1099 |
const_eio (SYNC_FILE_RANGE_WAIT_AFTER) |
| 1100 |
|
| 1101 |
const_eio (FALLOC_FL_KEEP_SIZE) |
| 1102 |
const_eio (FALLOC_FL_PUNCH_HOLE) |
| 1103 |
const_eio (FALLOC_FL_COLLAPSE_RANGE) |
| 1104 |
const_eio (FALLOC_FL_ZERO_RANGE) |
| 1105 |
const_eio (FALLOC_FL_INSET_RANGE) |
| 1106 |
const_eio (FALLOC_FL_UNSHARE_RANGE) |
| 1107 |
|
| 1108 |
const_eio (RENAME_NOREPLACE) |
| 1109 |
const_eio (RENAME_EXCHANGE) |
| 1110 |
const_eio (RENAME_WHITEOUT) |
| 1111 |
|
| 1112 |
const_eio (READDIR_DENTS) |
| 1113 |
const_eio (READDIR_DIRS_FIRST) |
| 1114 |
const_eio (READDIR_STAT_ORDER) |
| 1115 |
const_eio (READDIR_FOUND_UNKNOWN) |
| 1116 |
|
| 1117 |
const_eio (DT_UNKNOWN) |
| 1118 |
const_eio (DT_FIFO) |
| 1119 |
const_eio (DT_CHR) |
| 1120 |
const_eio (DT_DIR) |
| 1121 |
const_eio (DT_BLK) |
| 1122 |
const_eio (DT_REG) |
| 1123 |
const_eio (DT_LNK) |
| 1124 |
const_eio (DT_SOCK) |
| 1125 |
const_eio (DT_WHT) |
| 1126 |
}; |
| 1127 |
|
| 1128 |
aio_stash = gv_stashpv ("IO::AIO" , 1); |
| 1129 |
aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
| 1130 |
aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
| 1131 |
aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1); |
| 1132 |
|
| 1133 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) |
| 1134 |
newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); |
| 1135 |
|
| 1136 |
newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
| 1137 |
|
| 1138 |
reinit (); |
| 1139 |
} |
| 1140 |
|
| 1141 |
void |
| 1142 |
reinit () |
| 1143 |
PROTOTYPE: |
| 1144 |
|
| 1145 |
void |
| 1146 |
max_poll_reqs (unsigned int nreqs) |
| 1147 |
PROTOTYPE: $ |
| 1148 |
CODE: |
| 1149 |
eio_set_max_poll_reqs (nreqs); |
| 1150 |
|
| 1151 |
void |
| 1152 |
max_poll_time (double nseconds) |
| 1153 |
PROTOTYPE: $ |
| 1154 |
CODE: |
| 1155 |
eio_set_max_poll_time (nseconds); |
| 1156 |
|
| 1157 |
void |
| 1158 |
min_parallel (unsigned int nthreads) |
| 1159 |
PROTOTYPE: $ |
| 1160 |
CODE: |
| 1161 |
eio_set_min_parallel (nthreads); |
| 1162 |
|
| 1163 |
void |
| 1164 |
max_parallel (unsigned int nthreads) |
| 1165 |
PROTOTYPE: $ |
| 1166 |
CODE: |
| 1167 |
eio_set_max_parallel (nthreads); |
| 1168 |
|
| 1169 |
void |
| 1170 |
max_idle (unsigned int nthreads) |
| 1171 |
PROTOTYPE: $ |
| 1172 |
CODE: |
| 1173 |
eio_set_max_idle (nthreads); |
| 1174 |
|
| 1175 |
void |
| 1176 |
idle_timeout (unsigned int seconds) |
| 1177 |
PROTOTYPE: $ |
| 1178 |
CODE: |
| 1179 |
eio_set_idle_timeout (seconds); |
| 1180 |
|
| 1181 |
void |
| 1182 |
max_outstanding (unsigned int maxreqs) |
| 1183 |
PROTOTYPE: $ |
| 1184 |
CODE: |
| 1185 |
max_outstanding = maxreqs; |
| 1186 |
|
| 1187 |
void |
| 1188 |
aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef) |
| 1189 |
PPCODE: |
| 1190 |
{ |
| 1191 |
dREQ; |
| 1192 |
|
| 1193 |
req->type = EIO_WD_OPEN; |
| 1194 |
req_set_path1 (req, pathname); |
| 1195 |
|
| 1196 |
REQ_SEND; |
| 1197 |
} |
| 1198 |
|
| 1199 |
void |
| 1200 |
aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef) |
| 1201 |
PPCODE: |
| 1202 |
{ |
| 1203 |
dREQ; |
| 1204 |
|
| 1205 |
req->type = EIO_OPEN; |
| 1206 |
req_set_path1 (req, pathname); |
| 1207 |
req->int1 = flags; |
| 1208 |
req->int2 = mode; |
| 1209 |
|
| 1210 |
REQ_SEND; |
| 1211 |
} |
| 1212 |
|
| 1213 |
void |
| 1214 |
aio_fsync (SV *fh, SV *callback = &PL_sv_undef) |
| 1215 |
ALIAS: |
| 1216 |
aio_fsync = EIO_FSYNC |
| 1217 |
aio_fdatasync = EIO_FDATASYNC |
| 1218 |
aio_syncfs = EIO_SYNCFS |
| 1219 |
PPCODE: |
| 1220 |
{ |
| 1221 |
int fd = s_fileno_croak (fh, 0); |
| 1222 |
dREQ; |
| 1223 |
|
| 1224 |
req->type = ix; |
| 1225 |
req->sv1 = newSVsv (fh); |
| 1226 |
req->int1 = fd; |
| 1227 |
|
| 1228 |
REQ_SEND; |
| 1229 |
} |
| 1230 |
|
| 1231 |
void |
| 1232 |
aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef) |
| 1233 |
PPCODE: |
| 1234 |
{ |
| 1235 |
int fd = s_fileno_croak (fh, 0); |
| 1236 |
dREQ; |
| 1237 |
|
| 1238 |
req->type = EIO_SYNC_FILE_RANGE; |
| 1239 |
req->sv1 = newSVsv (fh); |
| 1240 |
req->int1 = fd; |
| 1241 |
req->offs = offset; |
| 1242 |
req->size = nbytes; |
| 1243 |
req->int2 = flags; |
| 1244 |
|
| 1245 |
REQ_SEND; |
| 1246 |
} |
| 1247 |
|
| 1248 |
void |
| 1249 |
aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef) |
| 1250 |
PPCODE: |
| 1251 |
{ |
| 1252 |
int fd = s_fileno_croak (fh, 0); |
| 1253 |
dREQ; |
| 1254 |
|
| 1255 |
req->type = EIO_FALLOCATE; |
| 1256 |
req->sv1 = newSVsv (fh); |
| 1257 |
req->int1 = fd; |
| 1258 |
req->int2 = mode; |
| 1259 |
req->offs = offset; |
| 1260 |
req->size = len; |
| 1261 |
|
| 1262 |
REQ_SEND; |
| 1263 |
} |
| 1264 |
|
| 1265 |
void |
| 1266 |
aio_close (SV *fh, SV *callback = &PL_sv_undef) |
| 1267 |
PPCODE: |
| 1268 |
{ |
| 1269 |
static int close_fd = -1; /* dummy fd to close fds via dup2 */ |
| 1270 |
int fd = s_fileno_croak (fh, 0); |
| 1271 |
dREQ; |
| 1272 |
|
| 1273 |
if (expect_false (close_fd < 0)) |
| 1274 |
{ |
| 1275 |
int pipefd [2]; |
| 1276 |
|
| 1277 |
if ( |
| 1278 |
#ifdef _WIN32 |
| 1279 |
_pipe (pipefd, 1, _O_BINARY) < 0 |
| 1280 |
#else |
| 1281 |
pipe (pipefd) < 0 |
| 1282 |
|| fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0 |
| 1283 |
#endif |
| 1284 |
|| close (pipefd [1]) < 0 |
| 1285 |
) |
| 1286 |
abort (); /*D*/ |
| 1287 |
|
| 1288 |
close_fd = pipefd [0]; |
| 1289 |
} |
| 1290 |
|
| 1291 |
req->type = EIO_DUP2; |
| 1292 |
req->int1 = close_fd; |
| 1293 |
req->sv2 = newSVsv (fh); |
| 1294 |
req->int2 = fd; |
| 1295 |
|
| 1296 |
REQ_SEND; |
| 1297 |
} |
| 1298 |
|
| 1299 |
void |
| 1300 |
aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef) |
| 1301 |
PPCODE: |
| 1302 |
{ |
| 1303 |
int fd = s_fileno_croak (fh, 0); |
| 1304 |
dREQ; |
| 1305 |
|
| 1306 |
req->type = EIO_SEEK; |
| 1307 |
req->sv1 = newSVsv (fh); |
| 1308 |
req->int1 = fd; |
| 1309 |
req->offs = SvVAL64 (offset); |
| 1310 |
req->int2 = whence; |
| 1311 |
|
| 1312 |
REQ_SEND; |
| 1313 |
} |
| 1314 |
|
| 1315 |
void |
| 1316 |
aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef) |
| 1317 |
ALIAS: |
| 1318 |
aio_read = EIO_READ |
| 1319 |
aio_write = EIO_WRITE |
| 1320 |
PPCODE: |
| 1321 |
{ |
| 1322 |
STRLEN svlen; |
| 1323 |
int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
| 1324 |
char *svptr = SvPVbyte (data, svlen); |
| 1325 |
UV len = SvUV (length); |
| 1326 |
|
| 1327 |
if (dataoffset < 0) |
| 1328 |
dataoffset += svlen; |
| 1329 |
|
| 1330 |
if (dataoffset < 0 || dataoffset > svlen) |
| 1331 |
croak ("dataoffset outside of data scalar"); |
| 1332 |
|
| 1333 |
if (ix == EIO_WRITE) |
| 1334 |
{ |
| 1335 |
/* write: check length and adjust. */ |
| 1336 |
if (!SvOK (length) || len + dataoffset > svlen) |
| 1337 |
len = svlen - dataoffset; |
| 1338 |
} |
| 1339 |
else |
| 1340 |
{ |
| 1341 |
/* read: check type and grow scalar as necessary */ |
| 1342 |
if (!SvPOK (data) || SvLEN (data) >= SvCUR (data)) |
| 1343 |
svptr = sv_grow (data, len + dataoffset + 1); |
| 1344 |
else if (SvCUR (data) < len + dataoffset) |
| 1345 |
croak ("length + dataoffset outside of scalar, and cannot grow"); |
| 1346 |
} |
| 1347 |
|
| 1348 |
{ |
| 1349 |
dREQ; |
| 1350 |
|
| 1351 |
req->type = ix; |
| 1352 |
req->sv1 = newSVsv (fh); |
| 1353 |
req->int1 = fd; |
| 1354 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
| 1355 |
req->size = len; |
| 1356 |
req->sv2 = SvREFCNT_inc (data); |
| 1357 |
req->ptr2 = (char *)svptr + dataoffset; |
| 1358 |
req->stroffset = dataoffset; |
| 1359 |
|
| 1360 |
if (!SvREADONLY (data)) |
| 1361 |
{ |
| 1362 |
SvREADONLY_on (data); |
| 1363 |
req->flags |= FLAG_SV2_RO_OFF; |
| 1364 |
} |
| 1365 |
|
| 1366 |
REQ_SEND; |
| 1367 |
} |
| 1368 |
} |
| 1369 |
|
| 1370 |
void |
| 1371 |
aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef) |
| 1372 |
ALIAS: |
| 1373 |
aio_ioctl = EIO_IOCTL |
| 1374 |
aio_fcntl = EIO_FCNTL |
| 1375 |
PPCODE: |
| 1376 |
{ |
| 1377 |
int fd = s_fileno_croak (fh, 0); |
| 1378 |
char *svptr; |
| 1379 |
|
| 1380 |
if (SvPOK (arg) || !SvNIOK (arg)) |
| 1381 |
{ |
| 1382 |
STRLEN svlen; |
| 1383 |
/* perl uses IOCPARM_LEN for fcntl, so we do, too */ |
| 1384 |
#ifdef IOCPARM_LEN |
| 1385 |
STRLEN need = IOCPARM_LEN (request); |
| 1386 |
#else |
| 1387 |
STRLEN need = 256; |
| 1388 |
#endif |
| 1389 |
|
| 1390 |
if (svlen < need) |
| 1391 |
svptr = SvGROW (arg, need); |
| 1392 |
} |
| 1393 |
else |
| 1394 |
svptr = (char *)SvIV (arg); |
| 1395 |
|
| 1396 |
{ |
| 1397 |
dREQ; |
| 1398 |
|
| 1399 |
req->type = ix; |
| 1400 |
req->sv1 = newSVsv (fh); |
| 1401 |
req->int1 = fd; |
| 1402 |
req->int2 = (long)request; |
| 1403 |
req->sv2 = SvREFCNT_inc (arg); |
| 1404 |
req->ptr2 = svptr; |
| 1405 |
|
| 1406 |
REQ_SEND; |
| 1407 |
} |
| 1408 |
} |
| 1409 |
|
| 1410 |
void |
| 1411 |
aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
| 1412 |
ALIAS: |
| 1413 |
aio_readlink = EIO_READLINK |
| 1414 |
aio_realpath = EIO_REALPATH |
| 1415 |
PPCODE: |
| 1416 |
{ |
| 1417 |
dREQ; |
| 1418 |
|
| 1419 |
req->type = ix; |
| 1420 |
req_set_path1 (req, pathname); |
| 1421 |
|
| 1422 |
REQ_SEND; |
| 1423 |
} |
| 1424 |
|
| 1425 |
void |
| 1426 |
aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef) |
| 1427 |
PPCODE: |
| 1428 |
{ |
| 1429 |
int ifd = s_fileno_croak (in_fh , 0); |
| 1430 |
int ofd = s_fileno_croak (out_fh, 1); |
| 1431 |
dREQ; |
| 1432 |
|
| 1433 |
req->type = EIO_SENDFILE; |
| 1434 |
req->sv1 = newSVsv (out_fh); |
| 1435 |
req->int1 = ofd; |
| 1436 |
req->sv2 = newSVsv (in_fh); |
| 1437 |
req->int2 = ifd; |
| 1438 |
req->offs = in_offset; |
| 1439 |
req->size = length; |
| 1440 |
|
| 1441 |
REQ_SEND; |
| 1442 |
} |
| 1443 |
|
| 1444 |
void |
| 1445 |
aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef) |
| 1446 |
PPCODE: |
| 1447 |
{ |
| 1448 |
int fd = s_fileno_croak (fh, 0); |
| 1449 |
dREQ; |
| 1450 |
|
| 1451 |
req->type = EIO_READAHEAD; |
| 1452 |
req->sv1 = newSVsv (fh); |
| 1453 |
req->int1 = fd; |
| 1454 |
req->offs = offset; |
| 1455 |
req->size = length; |
| 1456 |
|
| 1457 |
REQ_SEND; |
| 1458 |
} |
| 1459 |
|
| 1460 |
void |
| 1461 |
aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef) |
| 1462 |
ALIAS: |
| 1463 |
aio_stat = EIO_STAT |
| 1464 |
aio_lstat = EIO_LSTAT |
| 1465 |
aio_statvfs = EIO_STATVFS |
| 1466 |
PPCODE: |
| 1467 |
{ |
| 1468 |
dREQ; |
| 1469 |
|
| 1470 |
req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
| 1471 |
|
| 1472 |
REQ_SEND; |
| 1473 |
} |
| 1474 |
|
| 1475 |
UV |
| 1476 |
major (UV dev) |
| 1477 |
ALIAS: |
| 1478 |
minor = 1 |
| 1479 |
CODE: |
| 1480 |
RETVAL = ix ? minor (dev) : major (dev); |
| 1481 |
OUTPUT: |
| 1482 |
RETVAL |
| 1483 |
|
| 1484 |
UV |
| 1485 |
makedev (UV maj, UV min) |
| 1486 |
CODE: |
| 1487 |
RETVAL = makedev (maj, min); |
| 1488 |
OUTPUT: |
| 1489 |
RETVAL |
| 1490 |
|
| 1491 |
void |
| 1492 |
aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef) |
| 1493 |
PPCODE: |
| 1494 |
{ |
| 1495 |
dREQ; |
| 1496 |
|
| 1497 |
req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; |
| 1498 |
req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; |
| 1499 |
req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path); |
| 1500 |
|
| 1501 |
REQ_SEND; |
| 1502 |
} |
| 1503 |
|
| 1504 |
void |
| 1505 |
aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef) |
| 1506 |
PPCODE: |
| 1507 |
{ |
| 1508 |
dREQ; |
| 1509 |
|
| 1510 |
req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
| 1511 |
req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path); |
| 1512 |
|
| 1513 |
REQ_SEND; |
| 1514 |
} |
| 1515 |
|
| 1516 |
void |
| 1517 |
aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef) |
| 1518 |
PPCODE: |
| 1519 |
{ |
| 1520 |
dREQ; |
| 1521 |
|
| 1522 |
req->int2 = mode; |
| 1523 |
req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path); |
| 1524 |
|
| 1525 |
REQ_SEND; |
| 1526 |
} |
| 1527 |
|
| 1528 |
void |
| 1529 |
aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef) |
| 1530 |
PPCODE: |
| 1531 |
{ |
| 1532 |
dREQ; |
| 1533 |
|
| 1534 |
req->int2 = SvOK (uid) ? SvIV (uid) : -1; |
| 1535 |
req->int3 = SvOK (gid) ? SvIV (gid) : -1; |
| 1536 |
req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path); |
| 1537 |
|
| 1538 |
REQ_SEND; |
| 1539 |
} |
| 1540 |
|
| 1541 |
void |
| 1542 |
aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef) |
| 1543 |
PPCODE: |
| 1544 |
{ |
| 1545 |
dREQ; |
| 1546 |
|
| 1547 |
req->type = EIO_READDIR; |
| 1548 |
req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; |
| 1549 |
|
| 1550 |
if (flags & EIO_READDIR_DENTS) |
| 1551 |
req->int1 |= EIO_READDIR_CUSTOM2; |
| 1552 |
|
| 1553 |
req_set_path1 (req, pathname); |
| 1554 |
|
| 1555 |
REQ_SEND; |
| 1556 |
} |
| 1557 |
|
| 1558 |
void |
| 1559 |
aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef) |
| 1560 |
PPCODE: |
| 1561 |
{ |
| 1562 |
dREQ; |
| 1563 |
|
| 1564 |
req->type = EIO_MKDIR; |
| 1565 |
req->int2 = mode; |
| 1566 |
req_set_path1 (req, pathname); |
| 1567 |
|
| 1568 |
REQ_SEND; |
| 1569 |
} |
| 1570 |
|
| 1571 |
void |
| 1572 |
aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef) |
| 1573 |
ALIAS: |
| 1574 |
aio_unlink = EIO_UNLINK |
| 1575 |
aio_rmdir = EIO_RMDIR |
| 1576 |
aio_readdir = EIO_READDIR |
| 1577 |
PPCODE: |
| 1578 |
{ |
| 1579 |
dREQ; |
| 1580 |
|
| 1581 |
req->type = ix; |
| 1582 |
req_set_path1 (req, pathname); |
| 1583 |
|
| 1584 |
REQ_SEND; |
| 1585 |
} |
| 1586 |
|
| 1587 |
void |
| 1588 |
aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef) |
| 1589 |
ALIAS: |
| 1590 |
aio_link = EIO_LINK |
| 1591 |
aio_symlink = EIO_SYMLINK |
| 1592 |
aio_rename = EIO_RENAME |
| 1593 |
PPCODE: |
| 1594 |
{ |
| 1595 |
eio_wd wd2 = 0; |
| 1596 |
dREQ; |
| 1597 |
|
| 1598 |
req->type = ix; |
| 1599 |
req_set_path1 (req, oldpath); |
| 1600 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
| 1601 |
req->int3 = (long)wd2; |
| 1602 |
|
| 1603 |
REQ_SEND; |
| 1604 |
} |
| 1605 |
|
| 1606 |
void |
| 1607 |
aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef) |
| 1608 |
PPCODE: |
| 1609 |
{ |
| 1610 |
eio_wd wd2 = 0; |
| 1611 |
dREQ; |
| 1612 |
|
| 1613 |
req->type = EIO_RENAME; |
| 1614 |
req_set_path1 (req, oldpath); |
| 1615 |
req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); |
| 1616 |
req->int2 = flags; |
| 1617 |
req->int3 = (long)wd2; |
| 1618 |
|
| 1619 |
REQ_SEND; |
| 1620 |
} |
| 1621 |
|
| 1622 |
void |
| 1623 |
aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) |
| 1624 |
PPCODE: |
| 1625 |
{ |
| 1626 |
dREQ; |
| 1627 |
|
| 1628 |
req->type = EIO_MKNOD; |
| 1629 |
req->int2 = (mode_t)mode; |
| 1630 |
req->offs = dev; |
| 1631 |
req_set_path1 (req, pathname); |
| 1632 |
|
| 1633 |
REQ_SEND; |
| 1634 |
} |
| 1635 |
|
| 1636 |
void |
| 1637 |
aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef) |
| 1638 |
ALIAS: |
| 1639 |
aio_mtouch = EIO_MTOUCH |
| 1640 |
aio_msync = EIO_MSYNC |
| 1641 |
PPCODE: |
| 1642 |
{ |
| 1643 |
STRLEN svlen; |
| 1644 |
char *svptr = SvPVbyte (data, svlen); |
| 1645 |
UV len = SvUV (length); |
| 1646 |
|
| 1647 |
if (flags < 0) |
| 1648 |
flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0; |
| 1649 |
|
| 1650 |
if (offset < 0) |
| 1651 |
offset += svlen; |
| 1652 |
|
| 1653 |
if (offset < 0 || offset > svlen) |
| 1654 |
croak ("offset outside of scalar"); |
| 1655 |
|
| 1656 |
if (!SvOK (length) || len + offset > svlen) |
| 1657 |
len = svlen - offset; |
| 1658 |
|
| 1659 |
{ |
| 1660 |
dREQ; |
| 1661 |
|
| 1662 |
req->type = ix; |
| 1663 |
req->sv2 = SvREFCNT_inc (data); |
| 1664 |
req->ptr2 = (char *)svptr + offset; |
| 1665 |
req->size = len; |
| 1666 |
req->int1 = flags; |
| 1667 |
|
| 1668 |
REQ_SEND; |
| 1669 |
} |
| 1670 |
} |
| 1671 |
|
| 1672 |
void |
| 1673 |
aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef) |
| 1674 |
PPCODE: |
| 1675 |
{ |
| 1676 |
STRLEN svlen; |
| 1677 |
char *svptr = SvPVbyte (data, svlen); |
| 1678 |
UV len = SvUV (length); |
| 1679 |
|
| 1680 |
if (offset < 0) |
| 1681 |
offset += svlen; |
| 1682 |
|
| 1683 |
if (offset < 0 || offset > svlen) |
| 1684 |
croak ("offset outside of scalar"); |
| 1685 |
|
| 1686 |
if (!SvOK (length) || len + offset > svlen) |
| 1687 |
len = svlen - offset; |
| 1688 |
|
| 1689 |
{ |
| 1690 |
dREQ; |
| 1691 |
|
| 1692 |
req->type = EIO_MLOCK; |
| 1693 |
req->sv2 = SvREFCNT_inc (data); |
| 1694 |
req->ptr2 = (char *)svptr + offset; |
| 1695 |
req->size = len; |
| 1696 |
|
| 1697 |
REQ_SEND; |
| 1698 |
} |
| 1699 |
} |
| 1700 |
|
| 1701 |
void |
| 1702 |
aio_mlockall (IV flags, SV *callback = &PL_sv_undef) |
| 1703 |
PPCODE: |
| 1704 |
{ |
| 1705 |
dREQ; |
| 1706 |
|
| 1707 |
req->type = EIO_MLOCKALL; |
| 1708 |
req->int1 = flags; |
| 1709 |
|
| 1710 |
REQ_SEND; |
| 1711 |
} |
| 1712 |
|
| 1713 |
void |
| 1714 |
aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef) |
| 1715 |
PPCODE: |
| 1716 |
{ |
| 1717 |
int fd = s_fileno_croak (fh, 0); |
| 1718 |
dREQ; |
| 1719 |
|
| 1720 |
req->type = EIO_CUSTOM; |
| 1721 |
req->sv1 = newSVsv (fh); |
| 1722 |
req->int1 = fd; |
| 1723 |
|
| 1724 |
req->feed = fiemap; |
| 1725 |
#if HAVE_FIEMAP |
| 1726 |
/* keep our fingers crossed that the next two types are 64 bit */ |
| 1727 |
req->offs = start; |
| 1728 |
req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL; |
| 1729 |
req->int2 = flags; |
| 1730 |
req->int3 = SvOK (count) ? SvIV (count) : -1; |
| 1731 |
#endif |
| 1732 |
|
| 1733 |
REQ_SEND; |
| 1734 |
} |
| 1735 |
|
| 1736 |
void |
| 1737 |
aio_busy (double delay, SV *callback = &PL_sv_undef) |
| 1738 |
PPCODE: |
| 1739 |
{ |
| 1740 |
dREQ; |
| 1741 |
|
| 1742 |
req->type = EIO_BUSY; |
| 1743 |
req->nv1 = delay < 0. ? 0. : delay; |
| 1744 |
|
| 1745 |
REQ_SEND; |
| 1746 |
} |
| 1747 |
|
| 1748 |
void |
| 1749 |
aio_group (SV *callback = &PL_sv_undef) |
| 1750 |
PPCODE: |
| 1751 |
{ |
| 1752 |
dREQ; |
| 1753 |
|
| 1754 |
req->type = EIO_GROUP; |
| 1755 |
|
| 1756 |
PUTBACK; |
| 1757 |
req_submit (req); |
| 1758 |
SPAGAIN; |
| 1759 |
|
| 1760 |
XPUSHs (req_sv (req, aio_grp_stash)); |
| 1761 |
} |
| 1762 |
|
| 1763 |
void |
| 1764 |
aio_nop (SV *callback = &PL_sv_undef) |
| 1765 |
ALIAS: |
| 1766 |
aio_nop = EIO_NOP |
| 1767 |
aio_sync = EIO_SYNC |
| 1768 |
PPCODE: |
| 1769 |
{ |
| 1770 |
dREQ; |
| 1771 |
|
| 1772 |
req->type = ix; |
| 1773 |
|
| 1774 |
REQ_SEND; |
| 1775 |
} |
| 1776 |
|
| 1777 |
int |
| 1778 |
aioreq_pri (int pri = NO_INIT) |
| 1779 |
CODE: |
| 1780 |
RETVAL = next_pri; |
| 1781 |
if (items > 0) |
| 1782 |
{ |
| 1783 |
if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
| 1784 |
if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; |
| 1785 |
next_pri = pri; |
| 1786 |
} |
| 1787 |
OUTPUT: |
| 1788 |
RETVAL |
| 1789 |
|
| 1790 |
void |
| 1791 |
aioreq_nice (int nice = 0) |
| 1792 |
CODE: |
| 1793 |
nice = next_pri - nice; |
| 1794 |
if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; |
| 1795 |
if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
| 1796 |
next_pri = nice; |
| 1797 |
|
| 1798 |
void |
| 1799 |
flush () |
| 1800 |
CODE: |
| 1801 |
while (eio_nreqs ()) |
| 1802 |
{ |
| 1803 |
poll_wait (); |
| 1804 |
poll_cb (); |
| 1805 |
} |
| 1806 |
|
| 1807 |
int |
| 1808 |
poll () |
| 1809 |
CODE: |
| 1810 |
poll_wait (); |
| 1811 |
RETVAL = poll_cb (); |
| 1812 |
OUTPUT: |
| 1813 |
RETVAL |
| 1814 |
|
| 1815 |
int |
| 1816 |
poll_fileno () |
| 1817 |
CODE: |
| 1818 |
RETVAL = s_epipe_fd (&respipe); |
| 1819 |
OUTPUT: |
| 1820 |
RETVAL |
| 1821 |
|
| 1822 |
int |
| 1823 |
poll_cb (...) |
| 1824 |
PROTOTYPE: |
| 1825 |
CODE: |
| 1826 |
RETVAL = poll_cb (); |
| 1827 |
OUTPUT: |
| 1828 |
RETVAL |
| 1829 |
|
| 1830 |
void |
| 1831 |
poll_wait () |
| 1832 |
CODE: |
| 1833 |
poll_wait (); |
| 1834 |
|
| 1835 |
int |
| 1836 |
nreqs () |
| 1837 |
CODE: |
| 1838 |
RETVAL = eio_nreqs (); |
| 1839 |
OUTPUT: |
| 1840 |
RETVAL |
| 1841 |
|
| 1842 |
int |
| 1843 |
nready () |
| 1844 |
CODE: |
| 1845 |
RETVAL = eio_nready (); |
| 1846 |
OUTPUT: |
| 1847 |
RETVAL |
| 1848 |
|
| 1849 |
int |
| 1850 |
npending () |
| 1851 |
CODE: |
| 1852 |
RETVAL = eio_npending (); |
| 1853 |
OUTPUT: |
| 1854 |
RETVAL |
| 1855 |
|
| 1856 |
int |
| 1857 |
nthreads () |
| 1858 |
CODE: |
| 1859 |
RETVAL = eio_nthreads (); |
| 1860 |
OUTPUT: |
| 1861 |
RETVAL |
| 1862 |
|
| 1863 |
int |
| 1864 |
fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
| 1865 |
CODE: |
| 1866 |
RETVAL = posix_fadvise (fh, offset, length, advice); |
| 1867 |
OUTPUT: |
| 1868 |
RETVAL |
| 1869 |
|
| 1870 |
IV |
| 1871 |
sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
| 1872 |
CODE: |
| 1873 |
RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
| 1874 |
OUTPUT: |
| 1875 |
RETVAL |
| 1876 |
|
| 1877 |
void |
| 1878 |
mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) |
| 1879 |
PPCODE: |
| 1880 |
sv_unmagic (scalar, MMAP_MAGIC); |
| 1881 |
{ |
| 1882 |
int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
| 1883 |
void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
| 1884 |
if (addr == (void *)-1) |
| 1885 |
XSRETURN_NO; |
| 1886 |
|
| 1887 |
sv_force_normal (scalar); |
| 1888 |
|
| 1889 |
/* we store the length in mg_obj, as namlen is I32 :/ */ |
| 1890 |
sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
| 1891 |
->mg_obj = (SV *)length; |
| 1892 |
|
| 1893 |
SvUPGRADE (scalar, SVt_PV); /* nop... */ |
| 1894 |
|
| 1895 |
if (!(prot & PROT_WRITE)) |
| 1896 |
SvREADONLY_on (scalar); |
| 1897 |
|
| 1898 |
if (SvLEN (scalar)) |
| 1899 |
Safefree (SvPVX (scalar)); |
| 1900 |
|
| 1901 |
SvPVX (scalar) = (char *)addr; |
| 1902 |
SvCUR_set (scalar, length); |
| 1903 |
SvLEN_set (scalar, 0); |
| 1904 |
SvPOK_only (scalar); |
| 1905 |
|
| 1906 |
XSRETURN_YES; |
| 1907 |
} |
| 1908 |
|
| 1909 |
void |
| 1910 |
munmap (SV *scalar) |
| 1911 |
CODE: |
| 1912 |
sv_unmagic (scalar, MMAP_MAGIC); |
| 1913 |
|
| 1914 |
int |
| 1915 |
madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
| 1916 |
ALIAS: |
| 1917 |
mprotect = 1 |
| 1918 |
CODE: |
| 1919 |
{ |
| 1920 |
STRLEN svlen; |
| 1921 |
void *addr = SvPVbyte (scalar, svlen); |
| 1922 |
STRLEN len = SvUV (length); |
| 1923 |
|
| 1924 |
if (offset < 0) |
| 1925 |
offset += svlen; |
| 1926 |
|
| 1927 |
if (offset < 0 || offset > svlen) |
| 1928 |
croak ("offset outside of scalar"); |
| 1929 |
|
| 1930 |
if (!SvOK (length) || len + offset > svlen) |
| 1931 |
len = svlen - offset; |
| 1932 |
|
| 1933 |
addr = (void *)(((intptr_t)addr) + offset); |
| 1934 |
eio_page_align (&addr, &len); |
| 1935 |
|
| 1936 |
switch (ix) |
| 1937 |
{ |
| 1938 |
case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
| 1939 |
case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
| 1940 |
} |
| 1941 |
} |
| 1942 |
OUTPUT: |
| 1943 |
RETVAL |
| 1944 |
|
| 1945 |
int |
| 1946 |
munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef) |
| 1947 |
CODE: |
| 1948 |
{ |
| 1949 |
STRLEN svlen; |
| 1950 |
void *addr = SvPVbyte (scalar, svlen); |
| 1951 |
size_t len = SvUV (length); |
| 1952 |
|
| 1953 |
if (offset < 0) |
| 1954 |
offset += svlen; |
| 1955 |
|
| 1956 |
if (offset < 0 || offset > svlen) |
| 1957 |
croak ("offset outside of scalar"); |
| 1958 |
|
| 1959 |
if (!SvOK (length) || len + offset > svlen) |
| 1960 |
len = svlen - offset; |
| 1961 |
|
| 1962 |
addr = (void *)(((intptr_t)addr) + offset); |
| 1963 |
eio_page_align (&addr, &len); |
| 1964 |
#if _POSIX_MEMLOCK_RANGE |
| 1965 |
RETVAL = munlock (addr, len); |
| 1966 |
#else |
| 1967 |
RETVAL = EIO_ENOSYS (); |
| 1968 |
#endif |
| 1969 |
} |
| 1970 |
OUTPUT: |
| 1971 |
RETVAL |
| 1972 |
|
| 1973 |
int |
| 1974 |
munlockall () |
| 1975 |
CODE: |
| 1976 |
#if _POSIX_MEMLOCK |
| 1977 |
munlockall (); |
| 1978 |
#else |
| 1979 |
RETVAL = EIO_ENOSYS (); |
| 1980 |
#endif |
| 1981 |
OUTPUT: |
| 1982 |
RETVAL |
| 1983 |
|
| 1984 |
int |
| 1985 |
splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) |
| 1986 |
CODE: |
| 1987 |
{ |
| 1988 |
#if HAVE_LINUX_SPLICE |
| 1989 |
loff_t off_in_, off_out_; |
| 1990 |
RETVAL = splice ( |
| 1991 |
rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0, |
| 1992 |
wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0, |
| 1993 |
length, flags |
| 1994 |
); |
| 1995 |
#else |
| 1996 |
RETVAL = EIO_ENOSYS (); |
| 1997 |
#endif |
| 1998 |
} |
| 1999 |
OUTPUT: |
| 2000 |
RETVAL |
| 2001 |
|
| 2002 |
int |
| 2003 |
tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) |
| 2004 |
CODE: |
| 2005 |
#if HAVE_LINUX_SPLICE |
| 2006 |
RETVAL = tee (rfh, wfh, length, flags); |
| 2007 |
#else |
| 2008 |
RETVAL = EIO_ENOSYS (); |
| 2009 |
#endif |
| 2010 |
OUTPUT: |
| 2011 |
RETVAL |
| 2012 |
|
| 2013 |
int |
| 2014 |
pipesize (aio_rfd rfh, int new_size = -1) |
| 2015 |
PROTOTYPE: $;$ |
| 2016 |
CODE: |
| 2017 |
#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ) |
| 2018 |
if (new_size >= 0) |
| 2019 |
RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size); |
| 2020 |
else |
| 2021 |
RETVAL = fcntl (rfh, F_GETPIPE_SZ); |
| 2022 |
#else |
| 2023 |
errno = ENOSYS; |
| 2024 |
RETVAL = -1; |
| 2025 |
#endif |
| 2026 |
OUTPUT: |
| 2027 |
RETVAL |
| 2028 |
|
| 2029 |
void |
| 2030 |
pipe2 (int flags = 0) |
| 2031 |
PROTOTYPE: ;$ |
| 2032 |
PPCODE: |
| 2033 |
{ |
| 2034 |
int fd[2]; |
| 2035 |
int res; |
| 2036 |
|
| 2037 |
if (flags) |
| 2038 |
#if HAVE_PIPE2 |
| 2039 |
res = pipe2 (fd, flags); |
| 2040 |
#else |
| 2041 |
res = (errno = ENOSYS, -1); |
| 2042 |
#endif |
| 2043 |
else |
| 2044 |
res = pipe (fd); |
| 2045 |
|
| 2046 |
if (!res) |
| 2047 |
{ |
| 2048 |
EXTEND (SP, 2); |
| 2049 |
PUSHs (newmortalFH (fd[0], O_RDONLY)); |
| 2050 |
PUSHs (newmortalFH (fd[1], O_WRONLY)); |
| 2051 |
} |
| 2052 |
} |
| 2053 |
|
| 2054 |
void _on_next_submit (SV *cb) |
| 2055 |
CODE: |
| 2056 |
SvREFCNT_dec (on_next_submit); |
| 2057 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
| 2058 |
|
| 2059 |
PROTOTYPES: DISABLE |
| 2060 |
|
| 2061 |
MODULE = IO::AIO PACKAGE = IO::AIO::WD |
| 2062 |
|
| 2063 |
BOOT: |
| 2064 |
{ |
| 2065 |
newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD )); |
| 2066 |
newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD)); |
| 2067 |
} |
| 2068 |
|
| 2069 |
void |
| 2070 |
DESTROY (SV *self) |
| 2071 |
CODE: |
| 2072 |
{ |
| 2073 |
aio_wd wd = SvAIO_WD (self); |
| 2074 |
#if HAVE_AT |
| 2075 |
{ |
| 2076 |
SV *callback = &PL_sv_undef; |
| 2077 |
dREQ; /* clobbers next_pri :/ */ |
| 2078 |
next_pri = req->pri; /* restore next_pri */ |
| 2079 |
req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
| 2080 |
req->type = EIO_WD_CLOSE; |
| 2081 |
req->wd = wd; |
| 2082 |
REQ_SEND; |
| 2083 |
} |
| 2084 |
#else |
| 2085 |
eio_wd_close_sync (wd); |
| 2086 |
#endif |
| 2087 |
} |
| 2088 |
|
| 2089 |
MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
| 2090 |
|
| 2091 |
void |
| 2092 |
cancel (aio_req_ornot req) |
| 2093 |
CODE: |
| 2094 |
eio_cancel (req); |
| 2095 |
|
| 2096 |
void |
| 2097 |
cb (aio_req_ornot req, SV *callback = NO_INIT) |
| 2098 |
PPCODE: |
| 2099 |
{ |
| 2100 |
if (GIMME_V != G_VOID) |
| 2101 |
XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
| 2102 |
|
| 2103 |
if (items > 1) |
| 2104 |
{ |
| 2105 |
SV *cb_cv = get_cb (callback); |
| 2106 |
|
| 2107 |
SvREFCNT_dec (req->callback); |
| 2108 |
req->callback = SvREFCNT_inc (cb_cv); |
| 2109 |
} |
| 2110 |
} |
| 2111 |
|
| 2112 |
MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
| 2113 |
|
| 2114 |
void |
| 2115 |
add (aio_req grp, ...) |
| 2116 |
PPCODE: |
| 2117 |
{ |
| 2118 |
int i; |
| 2119 |
|
| 2120 |
if (grp->int1 == 2) |
| 2121 |
croak ("cannot add requests to IO::AIO::GRP after the group finished"); |
| 2122 |
|
| 2123 |
for (i = 1; i < items; ++i ) |
| 2124 |
{ |
| 2125 |
aio_req req; |
| 2126 |
|
| 2127 |
if (GIMME_V != G_VOID) |
| 2128 |
XPUSHs (sv_2mortal (newSVsv (ST (i)))); |
| 2129 |
|
| 2130 |
req = SvAIO_REQ (ST (i)); |
| 2131 |
|
| 2132 |
if (req) |
| 2133 |
eio_grp_add (grp, req); |
| 2134 |
} |
| 2135 |
} |
| 2136 |
|
| 2137 |
void |
| 2138 |
cancel_subs (aio_req_ornot req) |
| 2139 |
CODE: |
| 2140 |
req_cancel_subs (req); |
| 2141 |
|
| 2142 |
void |
| 2143 |
result (aio_req grp, ...) |
| 2144 |
CODE: |
| 2145 |
{ |
| 2146 |
int i; |
| 2147 |
AV *av; |
| 2148 |
|
| 2149 |
grp->errorno = errno; |
| 2150 |
|
| 2151 |
av = newAV (); |
| 2152 |
av_extend (av, items - 1); |
| 2153 |
|
| 2154 |
for (i = 1; i < items; ++i ) |
| 2155 |
av_push (av, newSVsv (ST (i))); |
| 2156 |
|
| 2157 |
SvREFCNT_dec (grp->sv1); |
| 2158 |
grp->sv1 = (SV *)av; |
| 2159 |
} |
| 2160 |
|
| 2161 |
void |
| 2162 |
errno (aio_req grp, int errorno = errno) |
| 2163 |
CODE: |
| 2164 |
grp->errorno = errorno; |
| 2165 |
|
| 2166 |
void |
| 2167 |
limit (aio_req grp, int limit) |
| 2168 |
CODE: |
| 2169 |
eio_grp_limit (grp, limit); |
| 2170 |
|
| 2171 |
void |
| 2172 |
feed (aio_req grp, SV *callback = &PL_sv_undef) |
| 2173 |
CODE: |
| 2174 |
{ |
| 2175 |
SvREFCNT_dec (grp->sv2); |
| 2176 |
grp->sv2 = newSVsv (callback); |
| 2177 |
grp->feed = aio_grp_feed; |
| 2178 |
|
| 2179 |
if (grp->int2 <= 0) |
| 2180 |
grp->int2 = 2; |
| 2181 |
|
| 2182 |
eio_grp_limit (grp, grp->int2); |
| 2183 |
} |
| 2184 |
|
