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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 2020 UTC

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

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