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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs.
Revision 1.288 by root, Tue Dec 29 18:00:40 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>
89 #include <sys/wait.h>
71 #include <unistd.h> 90 #include <unistd.h>
72 #include <utime.h> 91 #include <utime.h>
73 #include <signal.h> 92 #include <signal.h>
74 93
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
78 95
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 96#endif
89 97
90/*****************************************************************************/ 98/*****************************************************************************/
91 99
92#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
97 105
98#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
100 108
101/*****************************************************************************/ 109/*****************************************************************************/
110
111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
158#include "schmorp.h"
159
160#if HAVE_EVENTFD
161# include <sys/eventfd.h>
162#endif
163
164#if HAVE_TIMERFD
165# include <sys/timerfd.h>
166#endif
167
168#if HAVE_RLIMITS
169 #include <sys/time.h>
170 #include <sys/resource.h>
171#endif
102 172
103typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
106 176
… …
113 STRLEN stroffset; \ 183 STRLEN stroffset; \
114 SV *self; 184 SV *self;
115 185
116#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
117 187
118#include "libeio/config.h"
119#include "libeio/eio.h" 188#include "libeio/eio.h"
120 189
121static int req_invoke (eio_req *req); 190static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 191#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 192static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 193#define EIO_DESTROY(req) req_destroy (req)
125 194
126#include "libeio/eio.c" 195#include "libeio/eio.c"
127 196
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 197#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 199#endif
196 200
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 201#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 202# 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 203#endif
291 204
292#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 206# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
295# else 208# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 210# endif
298#endif 211#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
314 212
315#ifndef makedev 213#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 214# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 215#endif
318#ifndef major 216#ifndef major
… …
320#endif 218#endif
321#ifndef minor 219#ifndef minor
322# define minor(dev) ((dev) & 0xff) 220# define minor(dev) ((dev) & 0xff)
323#endif 221#endif
324 222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
325#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
230#endif
231
232#if HAVE_SYSCALL
233#include <sys/syscall.h>
234#else
235# define syscall(nr,...) (errno = ENOSYS, -1)
236#endif
237
238/*****************************************************************************/
239
240#if !_POSIX_MAPPED_FILES
241# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
242# define munmap(addr,length) EIO_ENOSYS ()
243#endif
244
245#if !_POSIX_MEMORY_PROTECTION
246# define mprotect(addr,len,prot) EIO_ENOSYS ()
247#endif
248
249#if !MREMAP_MAYMOVE
250# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
251#endif
252
253#define FOREIGN_MAGIC PERL_MAGIC_ext
254
255static int ecb_cold
256mmap_free (pTHX_ SV *sv, MAGIC *mg)
257{
258 int old_errno = errno;
259 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
260 errno = old_errno;
261
262 mg->mg_obj = 0; /* just in case */
263
264 SvREADONLY_off (sv);
265
266 if (SvPVX (sv) != mg->mg_ptr)
267 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
268
269 SvCUR_set (sv, 0);
270 SvPVX (sv) = 0;
271 SvOK_off (sv);
272
273 return 0;
274}
275
276static MGVTBL mmap_vtbl = {
277 0, 0, 0, 0, mmap_free
278};
279
280static int ecb_cold
281sysfree_free (pTHX_ SV *sv, MAGIC *mg)
282{
283 free (mg->mg_ptr);
284 mg->mg_obj = 0; /* just in case */
285
286 SvREADONLY_off (sv);
287
288 if (SvPVX (sv) != mg->mg_ptr)
289 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
290
291 SvCUR_set (sv, 0);
292 SvPVX (sv) = 0;
293 SvOK_off (sv);
294
295 return 0;
296}
297
298static MGVTBL sysfree_vtbl = {
299 0, 0, 0, 0, sysfree_free
300};
301
302/*****************************************************************************/
303
304/* helper: set scalar to foreign ptr with custom free */
305ecb_noinline
306static void
307sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
308{
309 sv_force_normal (sv);
310
311 /* we store the length in mg_obj, as namlen is I32 :/ */
312 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
313 ->mg_obj = (SV *)length;
314
315 SvUPGRADE (sv, SVt_PV); /* nop... */
316
317 if (SvLEN (sv))
318 Safefree (SvPVX (sv));
319
320 SvPVX (sv) = (char *)addr;
321 SvCUR_set (sv, length);
322 SvLEN_set (sv, 0);
323 SvPOK_only (sv);
324}
325
326static void
327sv_clear_foreign (SV *sv)
328{
329 /* todo: iterate over magic and only free ours, but of course */
330 /* the perl5porters will call that (correct) behaviour buggy */
331 sv_unmagic (sv, FOREIGN_MAGIC);
332}
333
334/*****************************************************************************/
335
336/* defines all sorts of constants to 0 unless they are already defined */
337/* also provides const_iv_ and const_niv_ macros for them */
338#include "def0.h"
339
340/*****************************************************************************/
341
342static void
343fiemap (eio_req *req)
344{
345 req->result = -1;
346
347#if HAVE_FIEMAP
348 /* assume some c99 */
349 struct fiemap *fiemap = 0;
350 size_t end_offset;
351 int count = req->int3;
352
353 req->flags |= EIO_FLAG_PTR1_FREE;
354
355 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
356 /* increase in fixed steps */
357 if (count < 0)
358 count = 8;
359
360 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
361 errno = ENOMEM;
362 if (!fiemap)
363 return;
364
365 req->ptr1 = fiemap;
366
367 fiemap->fm_start = req->offs;
368 fiemap->fm_length = req->size;
369 fiemap->fm_flags = req->int2;
370 fiemap->fm_extent_count = count;
371
372 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
373 return;
374
375 if (req->int3 >= 0 /* not autosizing */
376 || !fiemap->fm_mapped_extents /* no more extents */
377 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
378 goto done;
379
380 /* else we have to loop -
381 * it would be tempting (actually I tried that first) to just query the
382 * number of extents needed, but linux often feels like not returning all
383 * extents, without telling us it left any out. this complicates
384 * this quite a bit.
385 */
386
387 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
388
389 for (;;)
390 {
391 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
392 char scratch[3072];
393 struct fiemap *incmap = (struct fiemap *)scratch;
394
395 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
396 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
397 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
398 incmap->fm_flags = fiemap->fm_flags;
399 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
400
401 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
402 return;
403
404 if (!incmap->fm_mapped_extents)
405 goto done;
406
407 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
408 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
409 errno = ENOMEM;
410 if (!fiemap)
411 return;
412
413 req->ptr1 = fiemap;
414
415 for (count = 0; count < incmap->fm_mapped_extents; ++count)
416 {
417 struct fiemap_extent *e = incmap->fm_extents + count;
418
419 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
420
421 if (e->fe_logical >= end_offset)
422 goto done;
423
424 if (e->fe_flags & FIEMAP_EXTENT_LAST)
425 goto done;
426
427 }
428 }
429
430done:
431 req->result = 0;
432
433#else
434 errno = ENOSYS;
435#endif
436}
437
438/*****************************************************************************/
439
440static int close_fd; /* dummy fd to close fds via dup2 */
441
442#if HAVE_STATX
443static struct statx stx;
444#define statx_offsetof(member) offsetof (struct statx, member)
445#define eio__statx statx
446#else
447#define statx_offsetof(member) 0
448#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327#endif 449#endif
328 450
329enum { 451enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 452 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 453};
… …
341static s_epipe respipe; 463static s_epipe respipe;
342 464
343static void req_destroy (aio_req req); 465static void req_destroy (aio_req req);
344static void req_cancel (aio_req req); 466static void req_cancel (aio_req req);
345 467
346static void want_poll (void) 468static void
469want_poll (void)
347{ 470{
348 /* write a dummy byte to the pipe so fh becomes ready */ 471 /* write a dummy byte to the pipe so fh becomes ready */
349 s_epipe_signal (&respipe); 472 s_epipe_signal (&respipe);
350} 473}
351 474
352static void done_poll (void) 475static void
476done_poll (void)
353{ 477{
354 /* read any signals sent by the worker threads */ 478 /* read any signals sent by the worker threads */
355 s_epipe_drain (&respipe); 479 s_epipe_drain (&respipe);
356} 480}
357 481
358/* must be called at most once */ 482/* must be called at most once */
483ecb_noinline
484static SV *
359static SV *req_sv (aio_req req, HV *stash) 485req_sv (aio_req req, HV *stash)
360{ 486{
361 if (!req->self) 487 if (!req->self)
362 { 488 {
363 req->self = (SV *)newHV (); 489 req->self = (SV *)newHV ();
364 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 490 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
… …
368} 494}
369 495
370static SV * 496static SV *
371newSVaio_wd (aio_wd wd) 497newSVaio_wd (aio_wd wd)
372{ 498{
373 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 499 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
374} 500}
375 501
376static aio_req SvAIO_REQ (SV *sv) 502ecb_noinline
503static aio_req
504SvAIO_REQ (SV *sv)
377{ 505{
378 MAGIC *mg; 506 MAGIC *mg;
379 507
380 if (!SvROK (sv) 508 if (!SvROK (sv)
509 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381 || (SvSTASH (SvRV (sv)) != aio_grp_stash 510 || (SvSTASH (SvRV (sv)) != aio_grp_stash
382 && SvSTASH (SvRV (sv)) != aio_req_stash 511 && SvSTASH (SvRV (sv)) != aio_req_stash
383 && !sv_derived_from (sv, "IO::AIO::REQ"))) 512 && !sv_derived_from (sv, "IO::AIO::REQ")))
384 croak ("object of class IO::AIO::REQ expected"); 513 croak ("object of class IO::AIO::REQ expected");
385 514
386 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 515 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387 516
388 return mg ? (aio_req)mg->mg_ptr : 0; 517 return mg ? (aio_req)mg->mg_ptr : 0;
389} 518}
390 519
391static aio_wd SvAIO_WD (SV *sv) 520static aio_wd
521SvAIO_WD (SV *sv)
392{ 522{
393 if (!SvROK (sv) 523 if (!SvROK (sv)
524 || SvTYPE (SvRV (sv)) != SVt_PVMG
394 || SvSTASH (SvRV (sv)) != aio_wd_stash 525 || SvSTASH (SvRV (sv)) != aio_wd_stash)
395 || SvTYPE (SvRV (sv)) != SVt_PVMG)
396 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 526 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397 527
398 return (aio_wd)(long)SvIVX (SvRV (sv)); 528 return (aio_wd)(long)SvIVX (SvRV (sv));
399} 529}
400 530
531static SV *
532newmortalFH (int fd, int flags)
533{
534 if (fd < 0)
535 return &PL_sv_undef;
536
537 GV *gv = (GV *)sv_newmortal ();
538 char sym[64];
539 int symlen;
540
541 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
542 gv_init (gv, aio_stash, sym, symlen, 0);
543
544 symlen = snprintf (
545 sym,
546 sizeof (sym),
547 "%s&=%d",
548 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
549 fd
550 );
551
552 return do_open (gv, sym, symlen, 0, 0, 0, 0)
553 ? (SV *)gv : &PL_sv_undef;
554}
555
556static void
401static void aio_grp_feed (aio_req grp) 557aio_grp_feed (aio_req grp)
402{ 558{
403 if (grp->sv2 && SvOK (grp->sv2)) 559 if (grp->sv2 && SvOK (grp->sv2))
404 { 560 {
405 dSP; 561 dSP;
406 562
… …
414 FREETMPS; 570 FREETMPS;
415 LEAVE; 571 LEAVE;
416 } 572 }
417} 573}
418 574
575ecb_noinline
576static void
419static void req_submit (eio_req *req) 577req_submit (eio_req *req)
420{ 578{
421 eio_submit (req); 579 eio_submit (req);
422 580
423 if (expect_false (on_next_submit)) 581 if (expect_false (on_next_submit))
424 { 582 {
… …
431 PUTBACK; 589 PUTBACK;
432 call_sv (cb, G_DISCARD | G_EVAL); 590 call_sv (cb, G_DISCARD | G_EVAL);
433 } 591 }
434} 592}
435 593
594static int
436static int req_invoke (eio_req *req) 595req_invoke (eio_req *req)
437{ 596{
438 if (req->flags & FLAG_SV2_RO_OFF) 597 if (req->flags & FLAG_SV2_RO_OFF)
439 SvREADONLY_off (req->sv2); 598 SvREADONLY_off (req->sv2);
440 599
441 if (!EIO_CANCELLED (req) && req->callback) 600 if (!EIO_CANCELLED (req) && req->callback)
… …
463 } 622 }
464 623
465 switch (req->type) 624 switch (req->type)
466 { 625 {
467 case EIO_WD_OPEN: 626 case EIO_WD_OPEN:
468 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 627 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469 break; 628 break;
470 629
471 case EIO_READDIR: 630 case EIO_READDIR:
472 { 631 {
473 SV *rv = &PL_sv_undef; 632 SV *rv = &PL_sv_undef;
… …
528 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 687 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
529 } 688 }
530 break; 689 break;
531 690
532 case EIO_OPEN: 691 case EIO_OPEN:
533 { 692 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
534 /* convert fd to fh */
535 SV *fh = &PL_sv_undef;
536
537 if (req->result >= 0)
538 {
539 GV *gv = (GV *)sv_newmortal ();
540 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
541 char sym [64];
542 int symlen;
543
544 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
545 gv_init (gv, aio_stash, sym, symlen, 0);
546
547 symlen = snprintf (
548 sym,
549 sizeof (sym),
550 "%s&=%d",
551 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
552 (int)req->result
553 );
554
555 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
556 fh = (SV *)gv;
557 }
558
559 PUSHs (fh);
560 }
561 break; 693 break;
562 694
563 case EIO_STATVFS: 695 case EIO_STATVFS:
564 case EIO_FSTATVFS: 696 case EIO_FSTATVFS:
565 { 697 {
… …
568#ifndef _WIN32 700#ifndef _WIN32
569 if (req->result >= 0) 701 if (req->result >= 0)
570 { 702 {
571 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 703 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
572 HV *hv = newHV (); 704 HV *hv = newHV ();
705 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
706 * chooses to make it a struct.
707 */
708 unsigned long fsid = 0;
709 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
573 710
574 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 711 rv = sv_2mortal (newRV_noinc ((SV *)hv));
575 712
576 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 713 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
577 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 714 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
579 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 716 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
580 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 717 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
581 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 718 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
582 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 719 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
583 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 720 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
584 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 721 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
585 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 722 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
586 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 723 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
587 } 724 }
588#endif 725#endif
589 726
… …
617 break; 754 break;
618 755
619 case EIO_STAT: 756 case EIO_STAT:
620 case EIO_LSTAT: 757 case EIO_LSTAT:
621 case EIO_FSTAT: 758 case EIO_FSTAT:
622 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 759 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
760
623 PL_laststatval = req->result; 761 if (!(PL_laststatval = req->result))
624 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 762 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
625 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 763 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
764
626 PUSHs (sv_result); 765 PUSHs (sv_result);
766 break;
767
768 case EIO_SEEK:
769 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
627 break; 770 break;
628 771
629 case EIO_READ: 772 case EIO_READ:
630 { 773 {
631 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 774 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
634 SvSETMAGIC (req->sv2); 777 SvSETMAGIC (req->sv2);
635 PUSHs (sv_result); 778 PUSHs (sv_result);
636 } 779 }
637 break; 780 break;
638 781
782 case EIO_SLURP:
783 {
784 if (req->result >= 0)
785 {
786 /* if length was originally not known, we steal the malloc'ed memory */
787 if (req->flags & EIO_FLAG_PTR2_FREE)
788 {
789 req->flags &= ~EIO_FLAG_PTR2_FREE;
790 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
791 }
792 else
793 {
794 SvCUR_set (req->sv2, req->result);
795 *SvEND (req->sv2) = 0;
796 SvPOK_only (req->sv2);
797 }
798
799 SvSETMAGIC (req->sv2);
800 }
801
802 PUSHs (sv_result);
803 }
804 break;
805
806 case EIO_CUSTOM:
807 if (req->feed == fiemap)
808 {
809#if HAVE_FIEMAP
810 if (!req->result)
811 {
812 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
813
814 if (fiemap->fm_extent_count)
815 {
816 AV *av = newAV ();
817 int i;
818
819 while (fiemap->fm_mapped_extents)
820 {
821 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
822 AV *ext_av = newAV ();
823
824 av_store (ext_av, 3, newSVuv (extent->fe_flags));
825 av_store (ext_av, 2, newSVval64 (extent->fe_length));
826 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
827 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
828
829 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
830 }
831
832 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
833 }
834 else
835 {
836 SvIV_set (sv_result, fiemap->fm_mapped_extents);
837 PUSHs (sv_result);
838 }
839 }
840#endif
841 }
842 else
843 PUSHs (sv_result);
844 break;
845
846#if 0
847 case EIO_CLOSE:
848 PerlIOUnix_refcnt_dec (req->int1);
849 break;
850#endif
851
639 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 852 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
640 if (req->result > 0) 853 if (req->result > 0)
641 SvIV_set (sv_result, 0); 854 SvIV_set (sv_result, 0);
642 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
643 856
… …
664 } 877 }
665 878
666 return !!SvTRUE (ERRSV); 879 return !!SvTRUE (ERRSV);
667} 880}
668 881
882static void
669static void req_destroy (aio_req req) 883req_destroy (aio_req req)
670{ 884{
671 if (req->self) 885 if (req->self)
672 { 886 {
673 sv_unmagic (req->self, PERL_MAGIC_ext); 887 sv_unmagic (req->self, PERL_MAGIC_ext);
674 SvREFCNT_dec (req->self); 888 SvREFCNT_dec (req->self);
… …
678 SvREFCNT_dec (req->sv2); 892 SvREFCNT_dec (req->sv2);
679 SvREFCNT_dec (req->sv3); 893 SvREFCNT_dec (req->sv3);
680 SvREFCNT_dec (req->sv4); 894 SvREFCNT_dec (req->sv4);
681 SvREFCNT_dec (req->callback); 895 SvREFCNT_dec (req->callback);
682 896
683 Safefree (req); 897 free (req);
684} 898}
685 899
900static void
686static void req_cancel_subs (aio_req grp) 901req_cancel_subs (aio_req grp)
687{ 902{
688 if (grp->type != EIO_GROUP) 903 if (grp->type != EIO_GROUP)
689 return; 904 return;
690 905
691 SvREFCNT_dec (grp->sv2); 906 SvREFCNT_dec (grp->sv2);
692 grp->sv2 = 0; 907 grp->sv2 = 0;
693 908
694 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
695} 910}
696 911
912ecb_cold
913static void
697static void create_respipe (void) 914create_respipe (void)
698{ 915{
699 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
700 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
701} 918}
702 919
703static void poll_wait (void) 920static void
921poll_wait (void)
704{ 922{
705 while (eio_nreqs ()) 923 while (eio_nreqs ())
706 { 924 {
707 int size; 925 int size;
708 926
709 X_LOCK (reslock); 927 X_LOCK (EIO_POOL->reslock);
710 size = res_queue.size; 928 size = EIO_POOL->res_queue.size;
711 X_UNLOCK (reslock); 929 X_UNLOCK (EIO_POOL->reslock);
712 930
713 if (size) 931 if (size)
714 return; 932 return;
715 933
716 etp_maybe_start_thread (); 934 etp_maybe_start_thread (EIO_POOL);
717 935
718 s_epipe_wait (&respipe); 936 s_epipe_wait (&respipe);
719 } 937 }
720} 938}
721 939
722static int poll_cb (void) 940static int
941poll_cb (void)
723{ 942{
724 for (;;) 943 for (;;)
725 { 944 {
726 int res = eio_poll (); 945 int res = eio_poll ();
727 946
… …
733 952
734 poll_wait (); 953 poll_wait ();
735 } 954 }
736} 955}
737 956
738static void ecb_cold 957ecb_cold
958static void
739reinit (void) 959reinit (void)
740{ 960{
741 create_respipe (); 961 create_respipe ();
742 962
743 if (eio_init (want_poll, done_poll) < 0) 963 if (eio_init (want_poll, done_poll) < 0)
744 croak ("IO::AIO: unable to initialise eio library"); 964 croak ("IO::AIO: unable to initialise eio library");
745} 965}
746 966
747/*****************************************************************************/ 967/*****************************************************************************/
748 968
749#if !_POSIX_MAPPED_FILES 969static SV *
750# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
751# define munmap(addr,length) (errno = ENOSYS, -1)
752#endif
753
754#if !_POSIX_MEMORY_PROTECTION
755# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
756# define PROT_NONE 0
757# define PROT_WRITE 0
758# define MAP_PRIVATE 0
759# define MAP_SHARED 0
760# define MAP_FIXED 0
761#endif
762
763#define MMAP_MAGIC PERL_MAGIC_ext
764
765static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
766{
767 int old_errno = errno;
768 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
769 errno = old_errno;
770
771 mg->mg_obj = 0; /* just in case */
772
773 SvREADONLY_off (sv);
774
775 if (SvPVX (sv) != mg->mg_ptr)
776 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
777
778 SvCUR_set (sv, 0);
779 SvPVX (sv) = 0;
780 SvOK_off (sv);
781
782 return 0;
783}
784
785static MGVTBL mmap_vtbl = {
786 0, 0, 0, 0, mmap_free
787};
788
789/*****************************************************************************/
790
791static SV * get_cb (SV *cb_sv) 970get_cb (SV *cb_sv)
792{ 971{
793 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
794 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795} 974}
796 975
976ecb_noinline
977static aio_req ecb_noinline
978dreq (SV *callback)
979{
980 SV *cb_cv;
981 aio_req req;
982 int req_pri = next_pri;
983 next_pri = EIO_PRI_DEFAULT;
984
985 cb_cv = get_cb (callback);
986
987 req = calloc (sizeof (*req), 1);
988 if (!req)
989 croak ("out of memory during eio_req allocation");
990
991 req->callback = SvREFCNT_inc (cb_cv);
992 req->pri = req_pri;
993
994 return req;
995}
996
797#define dREQ \ 997#define dREQ \
798 SV *cb_cv; \ 998 aio_req req = dreq (callback); \
799 aio_req req; \
800 int req_pri = next_pri; \
801 next_pri = EIO_PRI_DEFAULT; \
802 \
803 cb_cv = get_cb (callback); \
804 \
805 Newz (0, req, 1, eio_req); \
806 if (!req) \
807 croak ("out of memory during eio_req allocation"); \
808 \
809 req->callback = SvREFCNT_inc (cb_cv); \
810 req->pri = req_pri
811 999
812#define REQ_SEND \ 1000#define REQ_SEND \
813 PUTBACK; \ 1001 PUTBACK; \
814 req_submit (req); \ 1002 req_submit (req); \
815 SPAGAIN; \ 1003 SPAGAIN; \
816 \ 1004 \
817 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
818 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
819 1007
820static void 1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1009ecb_inline
1010void
821req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1011req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
822{ 1012{
823 if (SvROK (path)) 1013 if (expect_false (SvROK (path)))
824 { 1014 {
825 AV *av = (AV *)SvRV (path); 1015 SV *rv = SvRV (path);
826 SV *wdob; 1016 SV *wdob;
827 1017
828 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1018 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
830
831 path = AvARRAY (av)[1];
832 wdob = AvARRAY (av)[0];
833
834 if (SvOK (wdob))
835 { 1019 {
1020 path = AvARRAY (rv)[1];
1021 wdob = AvARRAY (rv)[0];
1022
1023 if (SvOK (wdob))
1024 {
836 *wd = SvAIO_WD (wdob); 1025 *wd = SvAIO_WD (wdob);
837 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 1026 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1027 }
1028 else
1029 *wd = EIO_INVALID_WD;
1030 }
1031 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1032 {
1033 *wd = (aio_wd)(long)SvIVX (rv);
1034 *wdsv = SvREFCNT_inc_NN (rv);
1035 *ptr = ".";
1036 return; /* path set to "." */
838 } 1037 }
839 else 1038 else
840 *wd = EIO_INVALID_WD; 1039 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
841 } 1040 }
842 1041
843 *pathsv = newSVsv (path); 1042 *pathsv = newSVsv (path);
844 *ptr = SvPVbyte_nolen (*pathsv); 1043 *ptr = SvPVbyte_nolen (*pathsv);
845} 1044}
846 1045
1046ecb_noinline
847static void 1047static void
848req_set_path1 (aio_req req, SV *path) 1048req_set_path1 (aio_req req, SV *path)
849{ 1049{
850 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1050 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
851} 1051}
852 1052
1053ecb_noinline
853static void 1054static void
854req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1055req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
855{ 1056{
856 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1057 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
857 1058
… …
868 default: 1069 default:
869 req->type = type_path; 1070 req->type = type_path;
870 req_set_path1 (req, fh_or_path); 1071 req_set_path1 (req, fh_or_path);
871 break; 1072 break;
872 } 1073 }
873
874} 1074}
1075
1076/*****************************************************************************/
1077
1078static void
1079ts_set (struct timespec *ts, NV value)
1080{
1081 ts->tv_sec = value;
1082 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1083}
1084
1085static NV
1086ts_get (const struct timespec *ts)
1087{
1088 return ts->tv_sec + ts->tv_nsec * 1e-9;
1089}
1090
1091/*****************************************************************************/
1092
1093XS(boot_IO__AIO) ecb_cold;
875 1094
876MODULE = IO::AIO PACKAGE = IO::AIO 1095MODULE = IO::AIO PACKAGE = IO::AIO
877 1096
878PROTOTYPES: ENABLE 1097PROTOTYPES: ENABLE
879 1098
… …
884 IV iv; 1103 IV iv;
885 } *civ, const_iv[] = { 1104 } *civ, const_iv[] = {
886# define const_niv(name, value) { # name, (IV) value }, 1105# define const_niv(name, value) { # name, (IV) value },
887# define const_iv(name) { # name, (IV) name }, 1106# define const_iv(name) { # name, (IV) name },
888# define const_eio(name) { # name, (IV) EIO_ ## name }, 1107# define const_eio(name) { # name, (IV) EIO_ ## name },
1108
1109 /* you have to re-run ./gendef0 after adding/removing any constants here */
1110 /* the first block can be undef if missing */
1111 const_iv (ENOSYS)
889 const_iv (EXDEV) 1112 const_iv (EXDEV)
890 const_iv (ENOSYS) 1113 const_iv (EBADR)
1114
1115 /* for lseek */
1116 const_iv (SEEK_DATA)
1117 const_iv (SEEK_HOLE)
1118
1119 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1120 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1121 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1122 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1123 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1124 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1125
1126 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1127 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1128 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1129 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1130 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1131
1132 /* the second block will be 0 when missing */
1133 const_iv (O_ACCMODE)
1134
891 const_iv (O_RDONLY) 1135 const_iv (O_RDONLY)
892 const_iv (O_WRONLY) 1136 const_iv (O_WRONLY)
893 const_iv (O_RDWR) 1137 const_iv (O_RDWR)
894 const_iv (O_CREAT) 1138 const_iv (O_CREAT)
895 const_iv (O_TRUNC) 1139 const_iv (O_TRUNC)
… …
908 const_iv (O_SEARCH) 1152 const_iv (O_SEARCH)
909 const_iv (O_DIRECTORY) 1153 const_iv (O_DIRECTORY)
910 const_iv (O_DSYNC) 1154 const_iv (O_DSYNC)
911 const_iv (O_RSYNC) 1155 const_iv (O_RSYNC)
912 const_iv (O_SYNC) 1156 const_iv (O_SYNC)
1157 const_iv (O_PATH)
1158 const_iv (O_TMPFILE)
913 const_iv (O_TTY_INIT) 1159 const_iv (O_TTY_INIT)
914 1160
915 const_iv (S_IFIFO) 1161 const_iv (S_IFIFO)
916 const_iv (S_IFCHR) 1162 const_iv (S_IFCHR)
917 const_iv (S_IFBLK) 1163 const_iv (S_IFBLK)
… …
919 const_iv (S_IFREG) 1165 const_iv (S_IFREG)
920 const_iv (S_IFDIR) 1166 const_iv (S_IFDIR)
921 const_iv (S_IFWHT) 1167 const_iv (S_IFWHT)
922 const_iv (S_IFSOCK) 1168 const_iv (S_IFSOCK)
923 const_iv (S_IFMT) 1169 const_iv (S_IFMT)
924
925 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
926 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
927 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
928 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
929 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
930 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
931
932 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
933 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
934 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
935 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
936 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
937 1170
938 const_iv (ST_RDONLY) 1171 const_iv (ST_RDONLY)
939 const_iv (ST_NOSUID) 1172 const_iv (ST_NOSUID)
940 const_iv (ST_NODEV) 1173 const_iv (ST_NODEV)
941 const_iv (ST_NOEXEC) 1174 const_iv (ST_NOEXEC)
… …
951 const_iv (PROT_NONE) 1184 const_iv (PROT_NONE)
952 const_iv (PROT_EXEC) 1185 const_iv (PROT_EXEC)
953 const_iv (PROT_READ) 1186 const_iv (PROT_READ)
954 const_iv (PROT_WRITE) 1187 const_iv (PROT_WRITE)
955 1188
956 /*const_iv (MAP_FIXED)*/
957 const_iv (MAP_PRIVATE) 1189 const_iv (MAP_PRIVATE)
958 const_iv (MAP_SHARED) 1190 const_iv (MAP_SHARED)
1191 const_iv (MAP_FIXED)
959 const_iv (MAP_ANONYMOUS) 1192 const_iv (MAP_ANONYMOUS)
960 1193
961 /* linuxish */ 1194 /* linuxish */
962 const_iv (MAP_HUGETLB)
963 const_iv (MAP_LOCKED) 1195 const_iv (MAP_LOCKED)
964 const_iv (MAP_NORESERVE) 1196 const_iv (MAP_NORESERVE)
965 const_iv (MAP_POPULATE) 1197 const_iv (MAP_POPULATE)
966 const_iv (MAP_NONBLOCK) 1198 const_iv (MAP_NONBLOCK)
1199 const_iv (MAP_GROWSDOWN)
1200 const_iv (MAP_32BIT)
1201 const_iv (MAP_HUGETLB)
1202 const_iv (MAP_STACK)
1203
1204 const_iv (MREMAP_MAYMOVE)
1205 const_iv (MREMAP_FIXED)
1206
1207 const_iv (MSG_CMSG_CLOEXEC)
1208 const_iv (SOCK_CLOEXEC)
1209
1210 const_iv (F_DUPFD_CLOEXEC)
1211
1212 const_iv (F_ADD_SEALS)
1213 const_iv (F_GET_SEALS)
1214 const_iv (F_SEAL_SEAL)
1215 const_iv (F_SEAL_SHRINK)
1216 const_iv (F_SEAL_GROW)
1217 const_iv (F_SEAL_WRITE)
1218
1219 const_iv (F_OFD_GETLK)
1220 const_iv (F_OFD_SETLK)
1221 const_iv (F_OFD_GETLKW)
1222
1223 const_iv (FIFREEZE)
1224 const_iv (FITHAW)
1225 const_iv (FITRIM)
1226 const_iv (FICLONE)
1227 const_iv (FICLONERANGE)
1228 const_iv (FIDEDUPERANGE)
1229
1230 const_iv (FS_IOC_GETFLAGS)
1231 const_iv (FS_IOC_SETFLAGS)
1232 const_iv (FS_IOC_GETVERSION)
1233 const_iv (FS_IOC_SETVERSION)
1234 const_iv (FS_IOC_FIEMAP)
1235 const_iv (FS_IOC_FSGETXATTR)
1236 const_iv (FS_IOC_FSSETXATTR)
1237 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1238 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1239 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1240
1241 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1242
1243 const_iv (FS_SECRM_FL)
1244 const_iv (FS_UNRM_FL)
1245 const_iv (FS_COMPR_FL)
1246 const_iv (FS_SYNC_FL)
1247 const_iv (FS_IMMUTABLE_FL)
1248 const_iv (FS_APPEND_FL)
1249 const_iv (FS_NODUMP_FL)
1250 const_iv (FS_NOATIME_FL)
1251 const_iv (FS_DIRTY_FL)
1252 const_iv (FS_COMPRBLK_FL)
1253 const_iv (FS_NOCOMP_FL)
1254 const_iv (FS_ENCRYPT_FL)
1255 const_iv (FS_BTREE_FL)
1256 const_iv (FS_INDEX_FL)
1257 const_iv (FS_JOURNAL_DATA_FL)
1258 const_iv (FS_NOTAIL_FL)
1259 const_iv (FS_DIRSYNC_FL)
1260 const_iv (FS_TOPDIR_FL)
1261 const_iv (FS_FL_USER_MODIFIABLE)
1262
1263 const_iv (FS_XFLAG_REALTIME)
1264 const_iv (FS_XFLAG_PREALLOC)
1265 const_iv (FS_XFLAG_IMMUTABLE)
1266 const_iv (FS_XFLAG_APPEND)
1267 const_iv (FS_XFLAG_SYNC)
1268 const_iv (FS_XFLAG_NOATIME)
1269 const_iv (FS_XFLAG_NODUMP)
1270 const_iv (FS_XFLAG_RTINHERIT)
1271 const_iv (FS_XFLAG_PROJINHERIT)
1272 const_iv (FS_XFLAG_NOSYMLINKS)
1273 const_iv (FS_XFLAG_EXTSIZE)
1274 const_iv (FS_XFLAG_EXTSZINHERIT)
1275 const_iv (FS_XFLAG_NODEFRAG)
1276 const_iv (FS_XFLAG_FILESTREAM)
1277 const_iv (FS_XFLAG_DAX)
1278 const_iv (FS_XFLAG_HASATTR)
1279
1280 const_iv (FIEMAP_FLAG_SYNC)
1281 const_iv (FIEMAP_FLAG_XATTR)
1282 const_iv (FIEMAP_FLAGS_COMPAT)
1283 const_iv (FIEMAP_EXTENT_LAST)
1284 const_iv (FIEMAP_EXTENT_UNKNOWN)
1285 const_iv (FIEMAP_EXTENT_DELALLOC)
1286 const_iv (FIEMAP_EXTENT_ENCODED)
1287 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1288 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1289 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1290 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1291 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1292 const_iv (FIEMAP_EXTENT_MERGED)
1293 const_iv (FIEMAP_EXTENT_SHARED)
1294
1295 const_iv (SPLICE_F_MOVE)
1296 const_iv (SPLICE_F_NONBLOCK)
1297 const_iv (SPLICE_F_MORE)
1298 const_iv (SPLICE_F_GIFT)
1299
1300 const_iv (EFD_CLOEXEC)
1301 const_iv (EFD_NONBLOCK)
1302 const_iv (EFD_SEMAPHORE)
1303
1304 const_iv (MFD_CLOEXEC)
1305 const_iv (MFD_ALLOW_SEALING)
1306 const_iv (MFD_HUGETLB)
1307
1308 const_iv (CLOCK_REALTIME)
1309 const_iv (CLOCK_MONOTONIC)
1310 const_iv (CLOCK_BOOTTIME)
1311 const_iv (CLOCK_REALTIME_ALARM)
1312 const_iv (CLOCK_BOOTTIME_ALARM)
1313
1314 const_iv (TFD_NONBLOCK)
1315 const_iv (TFD_CLOEXEC)
1316
1317 const_iv (TFD_TIMER_ABSTIME)
1318 const_iv (TFD_TIMER_CANCEL_ON_SET)
1319
1320 const_iv (STATX_TYPE)
1321 const_iv (STATX_MODE)
1322 const_iv (STATX_NLINK)
1323 const_iv (STATX_UID)
1324 const_iv (STATX_GID)
1325 const_iv (STATX_ATIME)
1326 const_iv (STATX_MTIME)
1327 const_iv (STATX_CTIME)
1328 const_iv (STATX_INO)
1329 const_iv (STATX_SIZE)
1330 const_iv (STATX_BLOCKS)
1331 const_iv (STATX_BASIC_STATS)
1332 const_iv (STATX_ALL)
1333 const_iv (STATX_BTIME)
1334 const_iv (STATX_ATTR_COMPRESSED)
1335 const_iv (STATX_ATTR_IMMUTABLE)
1336 const_iv (STATX_ATTR_APPEND)
1337 const_iv (STATX_ATTR_NODUMP)
1338 const_iv (STATX_ATTR_ENCRYPTED)
1339 const_iv (STATX_ATTR_AUTOMOUNT)
1340
1341 const_iv (AT_FDCWD)
1342 const_iv (AT_SYMLINK_NOFOLLOW)
1343 const_iv (AT_EACCESS)
1344 const_iv (AT_REMOVEDIR)
1345 const_iv (AT_SYMLINK_FOLLOW)
1346 const_iv (AT_NO_AUTOMOUNT)
1347 const_iv (AT_EMPTY_PATH)
1348 const_iv (AT_STATX_SYNC_TYPE)
1349 const_iv (AT_STATX_AS_STAT)
1350 const_iv (AT_STATX_FORCE_SYNC)
1351 const_iv (AT_STATX_DONT_SYNC)
1352 const_iv (AT_RECURSIVE)
1353
1354 const_iv (OPEN_TREE_CLONE)
1355
1356 const_iv (FSOPEN_CLOEXEC)
1357
1358 const_iv (FSPICK_CLOEXEC)
1359 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1360 const_iv (FSPICK_NO_AUTOMOUNT)
1361 const_iv (FSPICK_EMPTY_PATH)
1362
1363 const_iv (MOVE_MOUNT_F_SYMLINKS)
1364 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1365 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1366 const_iv (MOVE_MOUNT_T_SYMLINKS)
1367 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1368 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1369
1370 /* waitid */
1371 const_iv (P_PID)
1372 const_iv (P_PIDFD)
1373 const_iv (P_PGID)
1374 const_iv (P_ALL)
1375
1376 const_iv (FSCONFIG_SET_FLAG)
1377 const_iv (FSCONFIG_SET_STRING)
1378 const_iv (FSCONFIG_SET_BINARY)
1379 const_iv (FSCONFIG_SET_PATH)
1380 const_iv (FSCONFIG_SET_PATH_EMPTY)
1381 const_iv (FSCONFIG_SET_FD)
1382 const_iv (FSCONFIG_CMD_CREATE)
1383 const_iv (FSCONFIG_CMD_RECONFIGURE)
1384
1385 const_iv (MOUNT_ATTR_RDONLY)
1386 const_iv (MOUNT_ATTR_NOSUID)
1387 const_iv (MOUNT_ATTR_NODEV)
1388 const_iv (MOUNT_ATTR_NOEXEC)
1389 const_iv (MOUNT_ATTR__ATIME)
1390 const_iv (MOUNT_ATTR_RELATIME)
1391 const_iv (MOUNT_ATTR_NOATIME)
1392 const_iv (MOUNT_ATTR_STRICTATIME)
1393 const_iv (MOUNT_ATTR_NODIRATIME)
1394
1395 /* these are libeio constants, and are independent of gendef0 */
1396 const_eio (SEEK_SET)
1397 const_eio (SEEK_CUR)
1398 const_eio (SEEK_END)
967 1399
968 const_eio (MCL_FUTURE) 1400 const_eio (MCL_FUTURE)
969 const_eio (MCL_CURRENT) 1401 const_eio (MCL_CURRENT)
1402 const_eio (MCL_ONFAULT)
970 1403
971 const_eio (MS_ASYNC) 1404 const_eio (MS_ASYNC)
972 const_eio (MS_INVALIDATE) 1405 const_eio (MS_INVALIDATE)
973 const_eio (MS_SYNC) 1406 const_eio (MS_SYNC)
974 1407
… …
977 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1410 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
978 const_eio (SYNC_FILE_RANGE_WRITE) 1411 const_eio (SYNC_FILE_RANGE_WRITE)
979 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1412 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
980 1413
981 const_eio (FALLOC_FL_KEEP_SIZE) 1414 const_eio (FALLOC_FL_KEEP_SIZE)
1415 const_eio (FALLOC_FL_PUNCH_HOLE)
1416 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1417 const_eio (FALLOC_FL_ZERO_RANGE)
1418 const_eio (FALLOC_FL_INSERT_RANGE)
1419 const_eio (FALLOC_FL_UNSHARE_RANGE)
1420
1421 const_eio (RENAME_NOREPLACE)
1422 const_eio (RENAME_EXCHANGE)
1423 const_eio (RENAME_WHITEOUT)
982 1424
983 const_eio (READDIR_DENTS) 1425 const_eio (READDIR_DENTS)
984 const_eio (READDIR_DIRS_FIRST) 1426 const_eio (READDIR_DIRS_FIRST)
985 const_eio (READDIR_STAT_ORDER) 1427 const_eio (READDIR_STAT_ORDER)
986 const_eio (READDIR_FOUND_UNKNOWN) 1428 const_eio (READDIR_FOUND_UNKNOWN)
… …
1004 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1446 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1005 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1447 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1006 1448
1007 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1449 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1008 1450
1451 /* allocate dummy pipe fd for aio_close */
1452 {
1453 int pipefd [2];
1454
1455 if (
1456#ifdef _WIN32
1457 _pipe (pipefd, 1, _O_BINARY) < 0
1458#else
1459 pipe (pipefd) < 0
1460 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1461#endif
1462 || close (pipefd [1]) < 0
1463 )
1464 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1465
1466 close_fd = pipefd [0];
1467 }
1468
1009 reinit (); 1469 reinit ();
1010} 1470}
1011 1471
1012void 1472void
1013reinit () 1473reinit ()
… …
1054 PROTOTYPE: $ 1514 PROTOTYPE: $
1055 CODE: 1515 CODE:
1056 max_outstanding = maxreqs; 1516 max_outstanding = maxreqs;
1057 1517
1058void 1518void
1059aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1519aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1060 PPCODE: 1520 PPCODE:
1061{ 1521{
1062 dREQ; 1522 dREQ;
1063 1523
1064 req->type = EIO_WD_OPEN; 1524 req->type = EIO_WD_OPEN;
… …
1066 1526
1067 REQ_SEND; 1527 REQ_SEND;
1068} 1528}
1069 1529
1070void 1530void
1071aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1531aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1072 PPCODE: 1532 PPCODE:
1073{ 1533{
1074 dREQ; 1534 dREQ;
1075 1535
1076 req->type = EIO_OPEN; 1536 req->type = EIO_OPEN;
… …
1080 1540
1081 REQ_SEND; 1541 REQ_SEND;
1082} 1542}
1083 1543
1084void 1544void
1085aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1545aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1086 ALIAS: 1546 ALIAS:
1087 aio_fsync = EIO_FSYNC 1547 aio_fsync = EIO_FSYNC
1088 aio_fdatasync = EIO_FDATASYNC 1548 aio_fdatasync = EIO_FDATASYNC
1089 aio_syncfs = EIO_SYNCFS 1549 aio_syncfs = EIO_SYNCFS
1090 PPCODE: 1550 PPCODE:
1091{ 1551{
1092 int fd = s_fileno_croak (fh, 0); 1552 int fd = s_fileno_croak (fh, 0);
1093 dREQ; 1553 dREQ;
1094 1554
1095 req->type = ix; 1555 req->type = ix;
1096 req->sv1 = newSVsv (fh); 1556 req->sv1 = newSVsv (fh);
1097 req->int1 = fd; 1557 req->int1 = fd;
1098 1558
1099 REQ_SEND (req); 1559 REQ_SEND;
1100} 1560}
1101 1561
1102void 1562void
1103aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1563aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1564 PPCODE:
1105{ 1565{
1106 int fd = s_fileno_croak (fh, 0); 1566 int fd = s_fileno_croak (fh, 0);
1107 dREQ; 1567 dREQ;
1108 1568
1109 req->type = EIO_SYNC_FILE_RANGE; 1569 req->type = EIO_SYNC_FILE_RANGE;
1110 req->sv1 = newSVsv (fh); 1570 req->sv1 = newSVsv (fh);
1111 req->int1 = fd; 1571 req->int1 = fd;
1112 req->offs = offset; 1572 req->offs = offset;
1113 req->size = nbytes; 1573 req->size = nbytes;
1114 req->int2 = flags; 1574 req->int2 = flags;
1115 1575
1116 REQ_SEND (req); 1576 REQ_SEND;
1117} 1577}
1118 1578
1119void 1579void
1120aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1580aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1121 PPCODE: 1581 PPCODE:
1122{ 1582{
1123 int fd = s_fileno_croak (fh, 0); 1583 int fd = s_fileno_croak (fh, 0);
1124 dREQ; 1584 dREQ;
1125 1585
1126 req->type = EIO_FALLOCATE; 1586 req->type = EIO_FALLOCATE;
1127 req->sv1 = newSVsv (fh); 1587 req->sv1 = newSVsv (fh);
1128 req->int1 = fd; 1588 req->int1 = fd;
1129 req->int2 = mode; 1589 req->int2 = mode;
1130 req->offs = offset; 1590 req->offs = offset;
1131 req->size = len; 1591 req->size = len;
1132 1592
1133 REQ_SEND (req); 1593 REQ_SEND;
1134} 1594}
1135 1595
1136void 1596void
1137aio_close (SV *fh, SV *callback=&PL_sv_undef) 1597aio_close (SV *fh, SV *callback = &PL_sv_undef)
1138 PPCODE: 1598 PPCODE:
1139{ 1599{
1140 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1141 int fd = s_fileno_croak (fh, 0); 1600 int fd = s_fileno_croak (fh, 0);
1142 dREQ; 1601 dREQ;
1602#if 0
1603 /* partially duplicate logic in s_fileno */
1604 SvGETMAGIC (fh);
1143 1605
1144 if (expect_false (close_fd < 0)) 1606 if (SvROK (fh))
1607 {
1608 fh = SvRV (fh);
1609 SvGETMAGIC (fh);
1610 }
1611
1612 if (SvTYPE (fh) == SVt_PVGV)
1145 { 1613 {
1146 int pipefd [2]; 1614 /* perl filehandle */
1615 PerlIOUnix_refcnt_inc (fd);
1616 do_close ((GV *)fh, 1);
1147 1617
1148 if ( 1618 req->type = EIO_CLOSE;
1149#ifdef _WIN32 1619 req->int1 = fd;
1150 _pipe (pipefd, 1, _O_BINARY) < 0 1620 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1151#else
1152 pipe (pipefd) < 0
1153 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1154#endif
1155 || close (pipefd [1]) < 0
1156 )
1157 abort (); /*D*/
1158
1159 close_fd = pipefd [0];
1160 } 1621 }
1161 1622 else
1623#endif
1624 {
1625 /* fd number */
1162 req->type = EIO_DUP2; 1626 req->type = EIO_DUP2;
1163 req->int1 = close_fd; 1627 req->int1 = close_fd;
1628 req->sv2 = newSVsv (fh);
1629 req->int2 = fd;
1630 }
1631
1632 REQ_SEND;
1633}
1634
1635void
1636aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1637 PPCODE:
1638{
1639 int fd = s_fileno_croak (fh, 0);
1640 dREQ;
1641
1642 req->type = EIO_SEEK;
1164 req->sv2 = newSVsv (fh); 1643 req->sv1 = newSVsv (fh);
1165 req->int2 = fd; 1644 req->int1 = fd;
1645 req->offs = SvVAL64 (offset);
1646 req->int2 = whence;
1166 1647
1167 REQ_SEND (req); 1648 REQ_SEND;
1168} 1649}
1169 1650
1170void 1651void
1171aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1652aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1172 ALIAS: 1653 ALIAS:
1173 aio_read = EIO_READ 1654 aio_read = EIO_READ
1174 aio_write = EIO_WRITE 1655 aio_write = EIO_WRITE
1175 PPCODE: 1656 PPCODE:
1176{ 1657{
… …
1192 len = svlen - dataoffset; 1673 len = svlen - dataoffset;
1193 } 1674 }
1194 else 1675 else
1195 { 1676 {
1196 /* read: check type and grow scalar as necessary */ 1677 /* read: check type and grow scalar as necessary */
1197 SvUPGRADE (data, SVt_PV); 1678 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1198 svptr = SvGROW (data, len + dataoffset + 1); 1679 svptr = sv_grow (data, len + dataoffset + 1);
1680 else if (SvCUR (data) < len + dataoffset)
1681 croak ("length + dataoffset outside of scalar, and cannot grow");
1199 } 1682 }
1200 1683
1201 { 1684 {
1202 dREQ; 1685 dREQ;
1203 1686
… …
1219 REQ_SEND; 1702 REQ_SEND;
1220 } 1703 }
1221} 1704}
1222 1705
1223void 1706void
1707aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1708 ALIAS:
1709 aio_ioctl = EIO_IOCTL
1710 aio_fcntl = EIO_FCNTL
1711 PPCODE:
1712{
1713 int fd = s_fileno_croak (fh, 0);
1714 char *svptr;
1715
1716 if (SvPOK (arg) || !SvNIOK (arg))
1717 {
1718 STRLEN svlen;
1719 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1720#ifdef IOCPARM_LEN
1721 STRLEN need = IOCPARM_LEN (request);
1722#else
1723 STRLEN need = 256;
1724#endif
1725
1726 if (svlen < need)
1727 svptr = SvGROW (arg, need);
1728 }
1729 else
1730 svptr = (char *)SvIV (arg);
1731
1732 {
1733 dREQ;
1734
1735 req->type = ix;
1736 req->sv1 = newSVsv (fh);
1737 req->int1 = fd;
1738 req->int2 = (long)request;
1739 req->sv2 = SvREFCNT_inc (arg);
1740 req->ptr2 = svptr;
1741
1742 REQ_SEND;
1743 }
1744}
1745
1746void
1224aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1747aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1225 ALIAS: 1748 ALIAS:
1226 aio_readlink = EIO_READLINK 1749 aio_readlink = EIO_READLINK
1227 aio_realpath = EIO_REALPATH 1750 aio_realpath = EIO_REALPATH
1228 PPCODE: 1751 PPCODE:
1229{ 1752{
… …
1234 1757
1235 REQ_SEND; 1758 REQ_SEND;
1236} 1759}
1237 1760
1238void 1761void
1239aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1762aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1240 PPCODE: 1763 PPCODE:
1241{ 1764{
1242 int ifd = s_fileno_croak (in_fh , 0); 1765 int ifd = s_fileno_croak (in_fh , 0);
1243 int ofd = s_fileno_croak (out_fh, 1); 1766 int ofd = s_fileno_croak (out_fh, 1);
1244 dREQ; 1767 dREQ;
1245 1768
1246 req->type = EIO_SENDFILE; 1769 req->type = EIO_SENDFILE;
1247 req->sv1 = newSVsv (out_fh); 1770 req->sv1 = newSVsv (out_fh);
1248 req->int1 = ofd; 1771 req->int1 = ofd;
… …
1253 1776
1254 REQ_SEND; 1777 REQ_SEND;
1255} 1778}
1256 1779
1257void 1780void
1258aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1781aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1259 PPCODE: 1782 PPCODE:
1260{ 1783{
1261 int fd = s_fileno_croak (fh, 0); 1784 int fd = s_fileno_croak (fh, 0);
1262 dREQ; 1785 dREQ;
1263 1786
1264 req->type = EIO_READAHEAD; 1787 req->type = EIO_READAHEAD;
1265 req->sv1 = newSVsv (fh); 1788 req->sv1 = newSVsv (fh);
1266 req->int1 = fd; 1789 req->int1 = fd;
… …
1269 1792
1270 REQ_SEND; 1793 REQ_SEND;
1271} 1794}
1272 1795
1273void 1796void
1274aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1797aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1275 ALIAS: 1798 ALIAS:
1276 aio_stat = EIO_STAT 1799 aio_stat = EIO_STAT
1277 aio_lstat = EIO_LSTAT 1800 aio_lstat = EIO_LSTAT
1278 aio_statvfs = EIO_STATVFS 1801 aio_statvfs = EIO_STATVFS
1279 PPCODE: 1802 PPCODE:
1280{ 1803{
1281 dREQ; 1804 dREQ;
1282 1805
1283 req->sv1 = newSVsv (fh_or_path);
1284 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1806 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1807
1285 REQ_SEND; 1808 REQ_SEND;
1286} 1809}
1810
1811void
1812st_xtime ()
1813 ALIAS:
1814 st_atime = 0x01
1815 st_mtime = 0x02
1816 st_ctime = 0x04
1817 st_btime = 0x08
1818 st_xtime = 0x0f
1819 PPCODE:
1820 EXTEND (SP, 4);
1821 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1822 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1823 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1824 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1825
1826void
1827st_xtimensec ()
1828 ALIAS:
1829 st_atimensec = 0x01
1830 st_mtimensec = 0x02
1831 st_ctimensec = 0x04
1832 st_btimensec = 0x08
1833 st_xtimensec = 0x0f
1834 st_btimesec = 0x10
1835 st_gen = 0x20
1836 PPCODE:
1837 EXTEND (SP, 4);
1838 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1839 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1840 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1841 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1842 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1843 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1287 1844
1288UV 1845UV
1289major (UV dev) 1846major (UV dev)
1290 ALIAS: 1847 ALIAS:
1291 minor = 1 1848 minor = 1
1292 CODE: 1849 CODE:
1293 RETVAL = ix ? major (dev) : minor (dev); 1850 RETVAL = ix ? minor (dev) : major (dev);
1294 OUTPUT: 1851 OUTPUT:
1295 RETVAL 1852 RETVAL
1296 1853
1297UV 1854UV
1298makedev (UV maj, UV min) 1855makedev (UV maj, UV min)
… …
1300 RETVAL = makedev (maj, min); 1857 RETVAL = makedev (maj, min);
1301 OUTPUT: 1858 OUTPUT:
1302 RETVAL 1859 RETVAL
1303 1860
1304void 1861void
1305aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1862aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1306 PPCODE: 1863 PPCODE:
1307{ 1864{
1308 dREQ; 1865 dREQ;
1309 1866
1310 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1867 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1313 1870
1314 REQ_SEND; 1871 REQ_SEND;
1315} 1872}
1316 1873
1317void 1874void
1318aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1875aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1319 PPCODE: 1876 PPCODE:
1320{ 1877{
1321 dREQ; 1878 dREQ;
1322 1879
1323 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1880 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1325 1882
1326 REQ_SEND; 1883 REQ_SEND;
1327} 1884}
1328 1885
1329void 1886void
1330aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1887aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1331 ALIAS:
1332 aio_chmod = EIO_CHMOD
1333 aio_mkdir = EIO_MKDIR
1334 PPCODE: 1888 PPCODE:
1335{ 1889{
1336 dREQ; 1890 dREQ;
1337 1891
1338 req->int2 = mode; 1892 req->int2 = mode;
… …
1340 1894
1341 REQ_SEND; 1895 REQ_SEND;
1342} 1896}
1343 1897
1344void 1898void
1345aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1899aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1346 PPCODE: 1900 PPCODE:
1347{ 1901{
1348 dREQ; 1902 dREQ;
1349 1903
1350 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1904 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1353 1907
1354 REQ_SEND; 1908 REQ_SEND;
1355} 1909}
1356 1910
1357void 1911void
1358aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1912aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1359 PPCODE: 1913 PPCODE:
1360{ 1914{
1361 dREQ; 1915 dREQ;
1362 1916
1363 req->type = EIO_READDIR; 1917 req->type = EIO_READDIR;
1364 req->sv1 = newSVsv (pathname);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1);
1366 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1918 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1367 1919
1368 if (flags & EIO_READDIR_DENTS) 1920 if (flags & EIO_READDIR_DENTS)
1369 req->int1 |= EIO_READDIR_CUSTOM2; 1921 req->int1 |= EIO_READDIR_CUSTOM2;
1370 1922
1923 req_set_path1 (req, pathname);
1924
1371 REQ_SEND; 1925 REQ_SEND;
1372} 1926}
1373 1927
1374void 1928void
1929aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1930 PPCODE:
1931{
1932 dREQ;
1933
1934 req->type = EIO_MKDIR;
1935 req->int2 = mode;
1936 req_set_path1 (req, pathname);
1937
1938 REQ_SEND;
1939}
1940
1941void
1375aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1942aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1376 ALIAS: 1943 ALIAS:
1377 aio_unlink = EIO_UNLINK 1944 aio_unlink = EIO_UNLINK
1378 aio_rmdir = EIO_RMDIR 1945 aio_rmdir = EIO_RMDIR
1379 aio_readdir = EIO_READDIR 1946 aio_readdir = EIO_READDIR
1380 PPCODE: 1947 PPCODE:
… …
1386 1953
1387 REQ_SEND; 1954 REQ_SEND;
1388} 1955}
1389 1956
1390void 1957void
1391aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1958aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1392 ALIAS: 1959 ALIAS:
1393 aio_link = EIO_LINK 1960 aio_link = EIO_LINK
1394 aio_symlink = EIO_SYMLINK 1961 aio_symlink = EIO_SYMLINK
1395 aio_rename = EIO_RENAME 1962 aio_rename = EIO_RENAME
1396 PPCODE: 1963 PPCODE:
1397{ 1964{
1965 eio_wd wd2 = 0;
1398 dREQ; 1966 dREQ;
1399 eio_wd wd2;
1400 1967
1401 req->type = ix; 1968 req->type = ix;
1402 req_set_path1 (req, oldpath); 1969 req_set_path1 (req, oldpath);
1403 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1970 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1404 req->int3 = (long)wd2; 1971 req->int3 = (long)wd2;
1405 1972
1406 REQ_SEND; 1973 REQ_SEND;
1407} 1974}
1408 1975
1409void 1976void
1977aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1978 PPCODE:
1979{
1980 eio_wd wd2 = 0;
1981 dREQ;
1982
1983 req->type = EIO_RENAME;
1984 req_set_path1 (req, oldpath);
1985 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1986 req->int2 = flags;
1987 req->int3 = (long)wd2;
1988
1989 REQ_SEND;
1990}
1991
1992void
1410aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1993aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1411 PPCODE: 1994 PPCODE:
1412{ 1995{
1413 dREQ; 1996 dREQ;
1414 1997
1415 req->type = EIO_MKNOD; 1998 req->type = EIO_MKNOD;
… …
1419 2002
1420 REQ_SEND; 2003 REQ_SEND;
1421} 2004}
1422 2005
1423void 2006void
1424aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2007aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1425 ALIAS: 2008 ALIAS:
1426 aio_mtouch = EIO_MTOUCH 2009 aio_mtouch = EIO_MTOUCH
1427 aio_msync = EIO_MSYNC 2010 aio_msync = EIO_MSYNC
1428 PPCODE: 2011 PPCODE:
1429{ 2012{
1430 STRLEN svlen; 2013 STRLEN svlen;
1431 char *svptr = SvPVbyte (data, svlen); 2014 char *svptr = SvPVbyte (data, svlen);
1432 UV len = SvUV (length); 2015 UV len = SvUV (length);
2016
2017 if (flags < 0)
2018 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1433 2019
1434 if (offset < 0) 2020 if (offset < 0)
1435 offset += svlen; 2021 offset += svlen;
1436 2022
1437 if (offset < 0 || offset > svlen) 2023 if (offset < 0 || offset > svlen)
… …
1452 REQ_SEND; 2038 REQ_SEND;
1453 } 2039 }
1454} 2040}
1455 2041
1456void 2042void
1457aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2043aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1458 PPCODE: 2044 PPCODE:
1459{ 2045{
1460 STRLEN svlen; 2046 STRLEN svlen;
1461 char *svptr = SvPVbyte (data, svlen); 2047 char *svptr = SvPVbyte (data, svlen);
1462 UV len = SvUV (length); 2048 UV len = SvUV (length);
… …
1481 REQ_SEND; 2067 REQ_SEND;
1482 } 2068 }
1483} 2069}
1484 2070
1485void 2071void
1486aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2072aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1487 PPCODE: 2073 PPCODE:
1488{ 2074{
1489 dREQ; 2075 dREQ;
1490 2076
1491 req->type = EIO_MLOCKALL; 2077 req->type = EIO_MLOCKALL;
… …
1493 2079
1494 REQ_SEND; 2080 REQ_SEND;
1495} 2081}
1496 2082
1497void 2083void
2084aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2085 PPCODE:
2086{
2087 int fd = s_fileno_croak (fh, 0);
2088 dREQ;
2089
2090 req->type = EIO_CUSTOM;
2091 req->sv1 = newSVsv (fh);
2092 req->int1 = fd;
2093
2094 req->feed = fiemap;
2095#if HAVE_FIEMAP
2096 /* keep our fingers crossed that the next two types are 64 bit */
2097 req->offs = start;
2098 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2099 req->int2 = flags;
2100 req->int3 = SvOK (count) ? SvIV (count) : -1;
2101#endif
2102
2103 REQ_SEND;
2104}
2105
2106void
2107aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2108 PPCODE:
2109{
2110 char *svptr = 0;
2111
2112 sv_clear_foreign (data);
2113
2114 if (length) /* known length, directly read into scalar */
2115 {
2116 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2117 svptr = sv_grow (data, length + 1);
2118 else if (SvCUR (data) < length)
2119 croak ("length outside of scalar, and cannot grow");
2120 else
2121 svptr = SvPVbyte_nolen (data);
2122 }
2123
2124 {
2125 dREQ;
2126
2127 req->type = EIO_SLURP;
2128 req_set_path1 (req, pathname);
2129 req->offs = offset;
2130 req->size = length;
2131 req->sv2 = SvREFCNT_inc (data);
2132 req->ptr2 = svptr;
2133
2134 if (!SvREADONLY (data))
2135 {
2136 SvREADONLY_on (data);
2137 req->flags |= FLAG_SV2_RO_OFF;
2138 }
2139
2140 REQ_SEND;
2141 }
2142}
2143
2144void
1498aio_busy (double delay, SV *callback=&PL_sv_undef) 2145aio_busy (double delay, SV *callback = &PL_sv_undef)
1499 PPCODE: 2146 PPCODE:
1500{ 2147{
1501 dREQ; 2148 dREQ;
1502 2149
1503 req->type = EIO_BUSY; 2150 req->type = EIO_BUSY;
… …
1505 2152
1506 REQ_SEND; 2153 REQ_SEND;
1507} 2154}
1508 2155
1509void 2156void
1510aio_group (SV *callback=&PL_sv_undef) 2157aio_group (SV *callback = &PL_sv_undef)
1511 PPCODE: 2158 PPCODE:
1512{ 2159{
1513 dREQ; 2160 dREQ;
1514 2161
1515 req->type = EIO_GROUP; 2162 req->type = EIO_GROUP;
1516 2163
2164 PUTBACK;
1517 req_submit (req); 2165 req_submit (req);
2166 SPAGAIN;
2167
1518 XPUSHs (req_sv (req, aio_grp_stash)); 2168 XPUSHs (req_sv (req, aio_grp_stash));
1519} 2169}
1520 2170
1521void 2171void
1522aio_nop (SV *callback=&PL_sv_undef) 2172aio_nop (SV *callback = &PL_sv_undef)
1523 ALIAS: 2173 ALIAS:
1524 aio_nop = EIO_NOP 2174 aio_nop = EIO_NOP
1525 aio_sync = EIO_SYNC 2175 aio_sync = EIO_SYNC
1526 PPCODE: 2176 PPCODE:
1527{ 2177{
… …
1531 2181
1532 REQ_SEND; 2182 REQ_SEND;
1533} 2183}
1534 2184
1535int 2185int
1536aioreq_pri (int pri = 0) 2186aioreq_pri (int pri = NO_INIT)
1537 CODE: 2187 CODE:
1538 RETVAL = next_pri; 2188 RETVAL = next_pri;
1539 if (items > 0) 2189 if (items > 0)
1540 { 2190 {
1541 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2191 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1631 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2281 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1632 OUTPUT: 2282 OUTPUT:
1633 RETVAL 2283 RETVAL
1634 2284
1635void 2285void
1636mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2286mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1637 PPCODE: 2287 PPCODE:
1638 sv_unmagic (scalar, MMAP_MAGIC); 2288 sv_clear_foreign (scalar);
1639{ 2289{
1640 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2290 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1641 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2291 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1642 if (addr == (void *)-1) 2292 if (addr == (void *)-1)
1643 XSRETURN_NO; 2293 XSRETURN_NO;
1644 2294
1645 sv_force_normal (scalar); 2295 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1646
1647 /* we store the length in mg_obj, as namlen is I32 :/ */
1648 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1649 ->mg_obj = (SV *)length;
1650
1651 SvUPGRADE (scalar, SVt_PV); /* nop... */
1652 2296
1653 if (!(prot & PROT_WRITE)) 2297 if (!(prot & PROT_WRITE))
1654 SvREADONLY_on (scalar); 2298 SvREADONLY_on (scalar);
1655 2299
1656 if (SvLEN (scalar))
1657 Safefree (SvPVX (scalar));
1658
1659 SvPVX (scalar) = (char *)addr;
1660 SvCUR_set (scalar, length);
1661 SvLEN_set (scalar, 0);
1662 SvPOK_only (scalar);
1663
1664 XSRETURN_YES; 2300 XSRETURN_YES;
1665} 2301}
1666 2302
1667void 2303void
1668munmap (SV *scalar) 2304munmap (SV *scalar)
1669 CODE: 2305 CODE:
1670 sv_unmagic (scalar, MMAP_MAGIC); 2306 sv_clear_foreign (scalar);
2307
2308SV *
2309mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2310 CODE:
2311{
2312 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2313 void *new;
2314
2315 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2316 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2317
2318 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2319
2320 RETVAL = &PL_sv_no;
2321
2322 if (new != (void *)-1)
2323 {
2324 RETVAL = new == (void *)mg->mg_ptr
2325 ? newSVpvn ("0 but true", 10)
2326 : &PL_sv_yes;
2327
2328 mg->mg_ptr = (char *)new;
2329 mg->mg_obj = (SV *)new_length;
2330
2331 SvPVX (scalar) = mg->mg_ptr;
2332 SvCUR_set (scalar, new_length);
2333 }
2334}
2335 OUTPUT:
2336 RETVAL
1671 2337
1672int 2338int
1673madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2339madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1674 ALIAS: 2340 ALIAS:
1675 mprotect = 1 2341 mprotect = 1
1676 CODE: 2342 CODE:
1677{ 2343{
1678 STRLEN svlen; 2344 STRLEN svlen;
1679 void *addr = SvPVbyte (scalar, svlen); 2345 void *addr = SvPVbyte (scalar, svlen);
1680 size_t len = SvUV (length); 2346 STRLEN len = SvUV (length);
1681 2347
1682 if (offset < 0) 2348 if (offset < 0)
1683 offset += svlen; 2349 offset += svlen;
1684 2350
1685 if (offset < 0 || offset > svlen) 2351 if (offset < 0 || offset > svlen)
… …
1699} 2365}
1700 OUTPUT: 2366 OUTPUT:
1701 RETVAL 2367 RETVAL
1702 2368
1703int 2369int
1704munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2370munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1705 CODE: 2371 CODE:
1706{ 2372{
1707 STRLEN svlen; 2373 STRLEN svlen;
1708 void *addr = SvPVbyte (scalar, svlen); 2374 void *addr = SvPVbyte (scalar, svlen);
1709 size_t len = SvUV (length); 2375 size_t len = SvUV (length);
1710 2376
1711 if (offset < 0) 2377 if (offset < 0)
1712 offset += svlen; 2378 offset += svlen;
1713 2379
… …
1720 addr = (void *)(((intptr_t)addr) + offset); 2386 addr = (void *)(((intptr_t)addr) + offset);
1721 eio_page_align (&addr, &len); 2387 eio_page_align (&addr, &len);
1722#if _POSIX_MEMLOCK_RANGE 2388#if _POSIX_MEMLOCK_RANGE
1723 RETVAL = munlock (addr, len); 2389 RETVAL = munlock (addr, len);
1724#else 2390#else
1725 RETVAL = ((errno = ENOSYS), -1); 2391 RETVAL = EIO_ENOSYS ();
1726#endif 2392#endif
1727} 2393}
1728 OUTPUT: 2394 OUTPUT:
2395 RETVAL
2396
2397int
2398mlockall (int flags)
2399 PROTOTYPE: $;
2400 CODE:
2401 RETVAL = eio_mlockall_sync (flags);
2402 OUTPUT:
1729 RETVAL 2403 RETVAL
1730 2404
1731int 2405int
1732munlockall () 2406munlockall ()
1733 CODE: 2407 CODE:
1734#if _POSIX_MEMLOCK 2408#if _POSIX_MEMLOCK
1735 munlockall (); 2409 munlockall ();
1736#else 2410#else
1737 RETVAL = -1; 2411 RETVAL = EIO_ENOSYS ();
1738 errno = ENOSYS;
1739#endif 2412#endif
1740 OUTPUT: 2413 OUTPUT:
1741 RETVAL 2414 RETVAL
2415
2416int
2417statx (SV8 *pathname, int flags, UV mask)
2418 CODE:
2419{
2420 /* undocumented, and might go away, and anyway, should use eio_statx */
2421 SV *wdsv = 0;
2422 SV *pathsv = 0;
2423 eio_wd wd = EIO_CWD;
2424 void *ptr;
2425 int res;
2426
2427 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2428 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2429
2430 SvREFCNT_dec (pathsv);
2431 SvREFCNT_dec (wdsv);
2432}
2433 OUTPUT:
2434 RETVAL
2435
2436U32
2437stx_mode ()
2438 PROTOTYPE:
2439 CODE:
2440#if HAVE_STATX
2441 RETVAL = stx.stx_mode;
2442#else
2443 XSRETURN_UNDEF;
2444#endif
2445 OUTPUT:
2446 RETVAL
2447
2448#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2449#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2450#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2451#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2452#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2453#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2454#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2455#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2456#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2457#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2458#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2459#define STATX_OFFSET_size statx_offsetof (stx_size)
2460#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2461#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2462#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2463#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2464#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2465#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2466
2467U32
2468stx_mask ()
2469 PROTOTYPE:
2470 ALIAS:
2471 stx_mask = STATX_OFFSET_mask
2472 stx_blksize = STATX_OFFSET_blksize
2473 stx_nlink = STATX_OFFSET_nlink
2474 stx_uid = STATX_OFFSET_uid
2475 stx_gid = STATX_OFFSET_gid
2476 stx_rdev_major = STATX_OFFSET_rdev_major
2477 stx_rdev_minor = STATX_OFFSET_rdev_minor
2478 stx_dev_major = STATX_OFFSET_dev_major
2479 stx_dev_minor = STATX_OFFSET_dev_minor
2480 CODE:
2481#if HAVE_STATX
2482 RETVAL = *(__u32 *)((char *)&stx + ix);
2483#else
2484 XSRETURN_UNDEF;
2485#endif
2486 OUTPUT:
2487 RETVAL
2488
2489VAL64
2490stx_attributes ()
2491 PROTOTYPE:
2492 ALIAS:
2493 stx_attributes = STATX_OFFSET_attributes
2494 stx_ino = STATX_OFFSET_ino
2495 stx_size = STATX_OFFSET_size
2496 stx_blocks = STATX_OFFSET_blocks
2497 stx_attributes_mask = STATX_OFFSET_attributes_mask
2498 CODE:
2499#if HAVE_STATX
2500 RETVAL = *(__u64 *)((char *)&stx + ix);
2501#else
2502 XSRETURN_UNDEF;
2503#endif
2504 OUTPUT:
2505 RETVAL
2506
2507NV
2508stx_atime ()
2509 PROTOTYPE:
2510 ALIAS:
2511 stx_atime = STATX_OFFSET_atime
2512 stx_btime = STATX_OFFSET_btime
2513 stx_ctime = STATX_OFFSET_ctime
2514 stx_mtime = STATX_OFFSET_mtime
2515 CODE:
2516#if HAVE_STATX
2517 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2518 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2519#else
2520 XSRETURN_UNDEF;
2521#endif
2522 OUTPUT:
2523 RETVAL
2524
2525VAL64
2526stx_atimesec ()
2527 PROTOTYPE:
2528 ALIAS:
2529 stx_atimesec = STATX_OFFSET_atime
2530 stx_btimesec = STATX_OFFSET_btime
2531 stx_ctimesec = STATX_OFFSET_ctime
2532 stx_mtimesec = STATX_OFFSET_mtime
2533 CODE:
2534#if HAVE_STATX
2535 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2536 RETVAL = ts->tv_sec;
2537#else
2538 XSRETURN_UNDEF;
2539#endif
2540 OUTPUT:
2541 RETVAL
2542
2543U32
2544stx_atimensec ()
2545 PROTOTYPE:
2546 ALIAS:
2547 stx_atimensec = STATX_OFFSET_atime
2548 stx_btimensec = STATX_OFFSET_btime
2549 stx_ctimensec = STATX_OFFSET_ctime
2550 stx_mtimensec = STATX_OFFSET_mtime
2551 CODE:
2552#if HAVE_STATX
2553 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2554 RETVAL = ts->tv_nsec;
2555#else
2556 RETVAL = 0;
2557#endif
2558 OUTPUT:
2559 RETVAL
2560
2561void
2562accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2563 PPCODE:
2564{
2565 SV *retval;
2566#if HAVE_ACCEPT4
2567 socklen_t salen_ = salen ? salen + 1 : 0;
2568
2569 if (salen)
2570 {
2571 sv_upgrade (sockaddr, SVt_PV);
2572 sv_grow (sockaddr, salen_);
2573 }
2574
2575 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2576
2577 retval = newmortalFH (res, O_RDWR);
2578
2579 if (res >= 0 && salen > 0)
2580 {
2581 if (salen_ > salen + 1)
2582 salen_ = salen + 1;
2583
2584 SvPOK_only (sockaddr);
2585 SvCUR_set (sockaddr, salen_);
2586 }
2587#else
2588 errno = ENOSYS;
2589 retval = &PL_sv_undef;
2590#endif
2591 XPUSHs (retval);
2592}
2593
2594ssize_t
2595splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2596 CODE:
2597{
2598#if HAVE_LINUX_SPLICE
2599 loff_t off_in_, off_out_;
2600 RETVAL = splice (
2601 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2602 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2603 length, flags
2604 );
2605#else
2606 RETVAL = EIO_ENOSYS ();
2607#endif
2608}
2609 OUTPUT:
2610 RETVAL
2611
2612ssize_t
2613tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2614 CODE:
2615#if HAVE_LINUX_SPLICE
2616 RETVAL = tee (rfh, wfh, length, flags);
2617#else
2618 RETVAL = EIO_ENOSYS ();
2619#endif
2620 OUTPUT:
2621 RETVAL
2622
2623int
2624pipesize (aio_rfd rfh, int new_size = -1)
2625 PROTOTYPE: $;$
2626 CODE:
2627#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2628 if (new_size >= 0)
2629 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2630 else
2631 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2632#else
2633 errno = ENOSYS;
2634 RETVAL = -1;
2635#endif
2636 OUTPUT:
2637 RETVAL
2638
2639void
2640pipe2 (int flags = 0)
2641 PROTOTYPE: ;$
2642 PPCODE:
2643{
2644 int fd[2];
2645 int res;
2646
2647 if (flags)
2648#if HAVE_PIPE2
2649 res = pipe2 (fd, flags);
2650#else
2651 res = (errno = ENOSYS, -1);
2652#endif
2653 else
2654 res = pipe (fd);
2655
2656 if (!res)
2657 {
2658 EXTEND (SP, 2);
2659 PUSHs (newmortalFH (fd[0], O_RDONLY));
2660 PUSHs (newmortalFH (fd[1], O_WRONLY));
2661 }
2662}
2663
2664void
2665pidfd_open (int pid, unsigned int flags = 0)
2666 PPCODE:
2667{
2668 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2669 int fd = syscall (SYS_pidfd_open, pid, flags);
2670 XPUSHs (newmortalFH (fd, O_RDWR));
2671}
2672
2673int
2674pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2675 PPCODE:
2676{
2677 int res;
2678 siginfo_t si = { 0 };
2679
2680 if (SvOK (siginfo))
2681 {
2682 HV *hv;
2683 SV **svp;
2684
2685 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2686 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2687
2688 hv = (HV *)SvRV (siginfo);
2689
2690 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2691 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2692 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2693 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2694 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2695 }
2696
2697 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2698 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2699
2700 XPUSHs (sv_2mortal (newSViv (res)));
2701}
2702
2703void
2704pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2708 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712void
2713eventfd (unsigned int initval = 0, int flags = 0)
2714 PPCODE:
2715{
2716 int fd;
2717#if HAVE_EVENTFD
2718 fd = eventfd (initval, flags);
2719#else
2720 fd = (errno = ENOSYS, -1);
2721#endif
2722
2723 XPUSHs (newmortalFH (fd, O_RDWR));
2724}
2725
2726void
2727timerfd_create (int clockid, int flags = 0)
2728 PPCODE:
2729{
2730 int fd;
2731#if HAVE_TIMERFD
2732 fd = timerfd_create (clockid, flags);
2733#else
2734 fd = (errno = ENOSYS, -1);
2735#endif
2736
2737 XPUSHs (newmortalFH (fd, O_RDWR));
2738}
2739
2740void
2741timerfd_settime (SV *fh, int flags, NV interval, NV value)
2742 PPCODE:
2743{
2744 int fd = s_fileno_croak (fh, 0);
2745#if HAVE_TIMERFD
2746 int res;
2747 struct itimerspec its, ots;
2748
2749 ts_set (&its.it_interval, interval);
2750 ts_set (&its.it_value , value);
2751 res = timerfd_settime (fd, flags, &its, &ots);
2752
2753 if (!res)
2754 {
2755 EXTEND (SP, 2);
2756 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2757 PUSHs (newSVnv (ts_get (&ots.it_value)));
2758 }
2759#else
2760 errno = ENOSYS;
2761#endif
2762}
2763
2764void
2765timerfd_gettime (SV *fh)
2766 PPCODE:
2767{
2768 int fd = s_fileno_croak (fh, 0);
2769#if HAVE_TIMERFD
2770 int res;
2771 struct itimerspec ots;
2772 res = timerfd_gettime (fd, &ots);
2773
2774 if (!res)
2775 {
2776 EXTEND (SP, 2);
2777 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2778 PUSHs (newSVnv (ts_get (&ots.it_value)));
2779 }
2780#else
2781 errno = ENOSYS;
2782#endif
2783}
2784
2785void
2786memfd_create (SV8 *pathname, int flags = 0)
2787 PPCODE:
2788{
2789 int fd;
2790#if HAVE_MEMFD_CREATE
2791 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2792#else
2793 fd = (errno = ENOSYS, -1);
2794#endif
2795
2796 XPUSHs (newmortalFH (fd, O_RDWR));
2797}
2798
2799UV
2800get_fdlimit ()
2801 CODE:
2802#if HAVE_RLIMITS
2803 struct rlimit rl;
2804 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2805 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2806#endif
2807 XSRETURN_UNDEF;
2808 OUTPUT:
2809 RETVAL
2810
2811void
2812min_fdlimit (UV limit = 0x7fffffffU)
2813 CODE:
2814{
2815#if HAVE_RLIMITS
2816 struct rlimit rl;
2817 rlim_t orig_rlim_max;
2818 UV bit;
2819
2820 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2821 goto fail;
2822
2823 if (rl.rlim_cur == RLIM_INFINITY)
2824 XSRETURN_YES;
2825
2826 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2827
2828 if (rl.rlim_cur < limit)
2829 {
2830 rl.rlim_cur = limit;
2831
2832 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2833 rl.rlim_max = rl.rlim_cur;
2834 }
2835
2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2837 XSRETURN_YES;
2838
2839 if (errno == EPERM)
2840 {
2841 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2842 /* our limit overflows a system-wide limit */
2843 /* try an adaptive algorithm, but do not lower the hardlimit */
2844 rl.rlim_max = 0;
2845 for (bit = 0x40000000U; bit; bit >>= 1)
2846 {
2847 rl.rlim_max |= bit;
2848 rl.rlim_cur = rl.rlim_max;
2849
2850 /* never decrease the hard limit */
2851 if (rl.rlim_max < orig_rlim_max)
2852 break;
2853
2854 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2855 rl.rlim_max &= ~bit; /* too high, remove bit again */
2856 }
2857
2858 /* now, raise the soft limit to the max permitted */
2859 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2860 {
2861 rl.rlim_cur = rl.rlim_max;
2862 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2863 errno = EPERM;
2864 }
2865 }
2866#endif
2867 fail:
2868 XSRETURN_UNDEF;
2869}
1742 2870
1743void _on_next_submit (SV *cb) 2871void _on_next_submit (SV *cb)
1744 CODE: 2872 CODE:
1745 SvREFCNT_dec (on_next_submit); 2873 SvREFCNT_dec (on_next_submit);
1746 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2874 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1759DESTROY (SV *self) 2887DESTROY (SV *self)
1760 CODE: 2888 CODE:
1761{ 2889{
1762 aio_wd wd = SvAIO_WD (self); 2890 aio_wd wd = SvAIO_WD (self);
1763#if HAVE_AT 2891#if HAVE_AT
2892 {
1764 SV *callback = &PL_sv_undef; 2893 SV *callback = &PL_sv_undef;
1765 dREQ; /* clobbers next_pri :/ */ 2894 dREQ; /* clobbers next_pri :/ */
2895 next_pri = req->pri; /* restore next_pri */
2896 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1766 req->type = EIO_WD_CLOSE; 2897 req->type = EIO_WD_CLOSE;
1767 req->wd = wd; 2898 req->wd = wd;
1768 REQ_SEND; 2899 REQ_SEND;
2900 }
1769#else 2901#else
1770 eio_wd_close_sync (wd); 2902 eio_wd_close_sync (wd);
1771#endif 2903#endif
1772} 2904}
1773 2905
… …
1777cancel (aio_req_ornot req) 2909cancel (aio_req_ornot req)
1778 CODE: 2910 CODE:
1779 eio_cancel (req); 2911 eio_cancel (req);
1780 2912
1781void 2913void
1782cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2914cb (aio_req_ornot req, SV *callback = NO_INIT)
1783 PPCODE: 2915 PPCODE:
1784{ 2916{
1785 if (GIMME_V != G_VOID) 2917 if (GIMME_V != G_VOID)
1786 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2918 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1787 2919
1788 if (items > 1) 2920 if (items > 1)
1789 { 2921 {
1790 SV *cb_cv =get_cb (callback); 2922 SV *cb_cv = get_cb (callback);
1791 2923
1792 SvREFCNT_dec (req->callback); 2924 SvREFCNT_dec (req->callback);
1793 req->callback = SvREFCNT_inc (cb_cv); 2925 req->callback = SvREFCNT_inc (cb_cv);
1794 } 2926 }
1795} 2927}
… …
1852limit (aio_req grp, int limit) 2984limit (aio_req grp, int limit)
1853 CODE: 2985 CODE:
1854 eio_grp_limit (grp, limit); 2986 eio_grp_limit (grp, limit);
1855 2987
1856void 2988void
1857feed (aio_req grp, SV *callback=&PL_sv_undef) 2989feed (aio_req grp, SV *callback = &PL_sv_undef)
1858 CODE: 2990 CODE:
1859{ 2991{
1860 SvREFCNT_dec (grp->sv2); 2992 SvREFCNT_dec (grp->sv2);
1861 grp->sv2 = newSVsv (callback); 2993 grp->sv2 = newSVsv (callback);
1862 grp->feed = aio_grp_feed; 2994 grp->feed = aio_grp_feed;

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