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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.197 by root, Tue Sep 27 01:43:03 2011 UTC vs.
Revision 1.294 by root, Sat Apr 9 19:34:05 2022 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/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
233#ifdef __sun
234# undef HAVE_SYSCALL
235#endif
236
237#if HAVE_SYSCALL
238#include <sys/syscall.h>
239#else
240# define syscall(nr,...) (errno = ENOSYS, -1)
241#endif
242
243/*****************************************************************************/
244
245#if !_POSIX_MAPPED_FILES
246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
247# define munmap(addr,length) EIO_ENOSYS ()
248#endif
249
250#if !_POSIX_MEMORY_PROTECTION
251# define mprotect(addr,len,prot) EIO_ENOSYS ()
252#endif
253
254#if !MREMAP_MAYMOVE
255# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
256#endif
257
258#define FOREIGN_MAGIC PERL_MAGIC_ext
259
260static int ecb_cold
261mmap_free (pTHX_ SV *sv, MAGIC *mg)
262{
263 int old_errno = errno;
264 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
265 errno = old_errno;
266
267 mg->mg_obj = 0; /* just in case */
268
269 SvREADONLY_off (sv);
270
271 if (SvPVX (sv) != mg->mg_ptr)
272 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
273
274 SvCUR_set (sv, 0);
275 SvPVX (sv) = 0;
276 SvOK_off (sv);
277
278 return 0;
279}
280
281static MGVTBL mmap_vtbl = {
282 0, 0, 0, 0, mmap_free
283};
284
285static int ecb_cold
286sysfree_free (pTHX_ SV *sv, MAGIC *mg)
287{
288 free (mg->mg_ptr);
289 mg->mg_obj = 0; /* just in case */
290
291 SvREADONLY_off (sv);
292
293 if (SvPVX (sv) != mg->mg_ptr)
294 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
295
296 SvCUR_set (sv, 0);
297 SvPVX (sv) = 0;
298 SvOK_off (sv);
299
300 return 0;
301}
302
303static MGVTBL sysfree_vtbl = {
304 0, 0, 0, 0, sysfree_free
305};
306
307/*****************************************************************************/
308
309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
311static void
312sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
313{
314 sv_force_normal (sv);
315
316 /* we store the length in mg_obj, as namlen is I32 :/ */
317 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
318 ->mg_obj = (SV *)length;
319
320 SvUPGRADE (sv, SVt_PV); /* nop... */
321
322 if (SvLEN (sv))
323 Safefree (SvPVX (sv));
324
325 SvPVX (sv) = (char *)addr;
326 SvCUR_set (sv, length);
327 SvLEN_set (sv, 0);
328 SvPOK_only (sv);
329}
330
331static void
332sv_clear_foreign (SV *sv)
333{
334 /* todo: iterate over magic and only free ours, but of course */
335 /* the perl5porters will call that (correct) behaviour buggy */
336 sv_unmagic (sv, FOREIGN_MAGIC);
337}
338
339/*****************************************************************************/
340
341/* defines all sorts of constants to 0 unless they are already defined */
342/* also provides const_iv_ and const_niv_ macros for them */
343#include "def0.h"
344
345/*****************************************************************************/
346
347static void
348fiemap (eio_req *req)
349{
350 req->result = -1;
351
352#if HAVE_FIEMAP
353 /* assume some c99 */
354 struct fiemap *fiemap = 0;
355 size_t end_offset;
356 int count = req->int3;
357
358 req->flags |= EIO_FLAG_PTR1_FREE;
359
360 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
361 /* increase in fixed steps */
362 if (count < 0)
363 count = 8;
364
365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
366 errno = ENOMEM;
367 if (!fiemap)
368 return;
369
370 req->ptr1 = fiemap;
371
372 fiemap->fm_start = req->offs;
373 fiemap->fm_length = req->size;
374 fiemap->fm_flags = req->int2;
375 fiemap->fm_extent_count = count;
376
377 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
378 return;
379
380 if (req->int3 >= 0 /* not autosizing */
381 || !fiemap->fm_mapped_extents /* no more extents */
382 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
383 goto done;
384
385 /* else we have to loop -
386 * it would be tempting (actually I tried that first) to just query the
387 * number of extents needed, but linux often feels like not returning all
388 * extents, without telling us it left any out. this complicates
389 * this quite a bit.
390 */
391
392 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
393
394 for (;;)
395 {
396 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
397 char scratch[3072];
398 struct fiemap *incmap = (struct fiemap *)scratch;
399
400 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
401 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
402 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
403 incmap->fm_flags = fiemap->fm_flags;
404 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
405
406 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
407 return;
408
409 if (!incmap->fm_mapped_extents)
410 goto done;
411
412 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
413 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
414 errno = ENOMEM;
415 if (!fiemap)
416 return;
417
418 req->ptr1 = fiemap;
419
420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
421 {
422 struct fiemap_extent *e = incmap->fm_extents + count;
423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
426 if (e->fe_logical >= end_offset)
427 goto done;
428
429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
430 goto done;
431
432 }
433 }
434
435done:
436 req->result = 0;
437
438#else
439 errno = ENOSYS;
440#endif
441}
442
443/*****************************************************************************/
444
445static int close_fd; /* dummy fd to close fds via dup2 */
446
447#if HAVE_STATX
448static struct statx stx;
449#define statx_offsetof(member) offsetof (struct statx, member)
450#define eio__statx statx
451#else
452#define statx_offsetof(member) 0
453#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327#endif 454#endif
328 455
329enum { 456enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 458};
… …
341static s_epipe respipe; 468static s_epipe respipe;
342 469
343static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
344static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
345 472
346static void want_poll (void) 473static void
474want_poll (void)
347{ 475{
348 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
349 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
350} 478}
351 479
352static void done_poll (void) 480static void
481done_poll (void)
353{ 482{
354 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
355 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
356} 485}
357 486
358/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
359static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
360{ 491{
361 if (!req->self) 492 if (!req->self)
362 { 493 {
363 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
364 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
… …
368} 499}
369 500
370static SV * 501static SV *
371newSVaio_wd (aio_wd wd) 502newSVaio_wd (aio_wd wd)
372{ 503{
373 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 504 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
374} 505}
375 506
376static aio_req SvAIO_REQ (SV *sv) 507ecb_noinline
508static aio_req
509SvAIO_REQ (SV *sv)
377{ 510{
378 MAGIC *mg; 511 MAGIC *mg;
379 512
380 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
381 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
382 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
383 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
384 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
385 519
386 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
387 521
388 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
389} 523}
390 524
391static aio_wd SvAIO_WD (SV *sv) 525static aio_wd
526SvAIO_WD (SV *sv)
392{ 527{
393 if (!SvROK (sv) 528 if (!SvROK (sv)
529 || SvTYPE (SvRV (sv)) != SVt_PVMG
394 || SvSTASH (SvRV (sv)) != aio_wd_stash 530 || 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"); 531 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
397 532
398 return (aio_wd)(long)SvIVX (SvRV (sv)); 533 return (aio_wd)(long)SvIVX (SvRV (sv));
399} 534}
400 535
536static SV *
537newmortalFH (int fd, int flags)
538{
539 if (fd < 0)
540 return &PL_sv_undef;
541
542 GV *gv = (GV *)sv_newmortal ();
543 char sym[64];
544 int symlen;
545
546 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
547 gv_init (gv, aio_stash, sym, symlen, 0);
548
549 symlen = snprintf (
550 sym,
551 sizeof (sym),
552 "%s&=%d",
553 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
554 fd
555 );
556
557 return do_open (gv, sym, symlen, 0, 0, 0, 0)
558 ? (SV *)gv : &PL_sv_undef;
559}
560
561static void
401static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
402{ 563{
403 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
404 { 565 {
405 dSP; 566 dSP;
406 567
… …
414 FREETMPS; 575 FREETMPS;
415 LEAVE; 576 LEAVE;
416 } 577 }
417} 578}
418 579
580ecb_noinline
581static void
419static void req_submit (eio_req *req) 582req_submit (eio_req *req)
420{ 583{
421 eio_submit (req); 584 eio_submit (req);
422 585
423 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
424 { 587 {
… …
431 PUTBACK; 594 PUTBACK;
432 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
433 } 596 }
434} 597}
435 598
599static int
436static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
437{ 601{
438 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
439 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
440 604
441 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
463 } 627 }
464 628
465 switch (req->type) 629 switch (req->type)
466 { 630 {
467 case EIO_WD_OPEN: 631 case EIO_WD_OPEN:
468 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
469 break; 633 break;
470 634
471 case EIO_READDIR: 635 case EIO_READDIR:
472 { 636 {
473 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
… …
528 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 692 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
529 } 693 }
530 break; 694 break;
531 695
532 case EIO_OPEN: 696 case EIO_OPEN:
533 { 697 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; 698 break;
562 699
563 case EIO_STATVFS: 700 case EIO_STATVFS:
564 case EIO_FSTATVFS: 701 case EIO_FSTATVFS:
565 { 702 {
… …
568#ifndef _WIN32 705#ifndef _WIN32
569 if (req->result >= 0) 706 if (req->result >= 0)
570 { 707 {
571 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
572 HV *hv = newHV (); 709 HV *hv = newHV ();
710 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
711 * chooses to make it a struct.
712 */
713 unsigned long fsid = 0;
714 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
573 715
574 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
575 717
576 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 718 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); 719 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); 721 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); 722 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); 723 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); 724 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); 725 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); 726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
585 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 727 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); 728 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
587 } 729 }
588#endif 730#endif
589 731
… …
624 if (!(PL_laststatval = req->result)) 766 if (!(PL_laststatval = req->result))
625 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
626 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
627 769
628 PUSHs (sv_result); 770 PUSHs (sv_result);
771 break;
772
773 case EIO_SEEK:
774 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
629 break; 775 break;
630 776
631 case EIO_READ: 777 case EIO_READ:
632 { 778 {
633 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 779 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
636 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
637 PUSHs (sv_result); 783 PUSHs (sv_result);
638 } 784 }
639 break; 785 break;
640 786
787 case EIO_SLURP:
788 {
789 if (req->result >= 0)
790 {
791 /* if length was originally not known, we steal the malloc'ed memory */
792 if (req->flags & EIO_FLAG_PTR2_FREE)
793 {
794 req->flags &= ~EIO_FLAG_PTR2_FREE;
795 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
796 }
797 else
798 {
799 SvCUR_set (req->sv2, req->result);
800 *SvEND (req->sv2) = 0;
801 SvPOK_only (req->sv2);
802 }
803
804 SvSETMAGIC (req->sv2);
805 }
806
807 PUSHs (sv_result);
808 }
809 break;
810
811 case EIO_CUSTOM:
812 if (req->feed == fiemap)
813 {
814#if HAVE_FIEMAP
815 if (!req->result)
816 {
817 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
818
819 if (fiemap->fm_extent_count)
820 {
821 AV *av = newAV ();
822 int i;
823
824 while (fiemap->fm_mapped_extents)
825 {
826 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
827 AV *ext_av = newAV ();
828
829 av_store (ext_av, 3, newSVuv (extent->fe_flags));
830 av_store (ext_av, 2, newSVval64 (extent->fe_length));
831 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
832 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
833
834 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
835 }
836
837 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
838 }
839 else
840 {
841 SvIV_set (sv_result, fiemap->fm_mapped_extents);
842 PUSHs (sv_result);
843 }
844 }
845#endif
846 }
847 else
848 PUSHs (sv_result);
849 break;
850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
641 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
642 if (req->result > 0) 858 if (req->result > 0)
643 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
644 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
645 861
… …
666 } 882 }
667 883
668 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
669} 885}
670 886
887static void
671static void req_destroy (aio_req req) 888req_destroy (aio_req req)
672{ 889{
673 if (req->self) 890 if (req->self)
674 { 891 {
675 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
676 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
… …
680 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
681 SvREFCNT_dec (req->sv3); 898 SvREFCNT_dec (req->sv3);
682 SvREFCNT_dec (req->sv4); 899 SvREFCNT_dec (req->sv4);
683 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
684 901
685 Safefree (req); 902 free (req);
686} 903}
687 904
905static void
688static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
689{ 907{
690 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
691 return; 909 return;
692 910
693 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
694 grp->sv2 = 0; 912 grp->sv2 = 0;
695 913
696 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
697} 915}
698 916
917ecb_cold
918static void
699static void create_respipe (void) 919create_respipe (void)
700{ 920{
701 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
702 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
703} 923}
704 924
705static void poll_wait (void) 925static void
926poll_wait (void)
706{ 927{
707 while (eio_nreqs ()) 928 while (eio_nreqs ())
708 { 929 {
709 int size; 930 int size;
710 931
711 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
712 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
713 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
714 935
715 if (size) 936 if (size)
716 return; 937 return;
717 938
718 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
719 940
720 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
721 } 942 }
722} 943}
723 944
724static int poll_cb (void) 945static int
946poll_cb (void)
725{ 947{
726 for (;;) 948 for (;;)
727 { 949 {
728 int res = eio_poll (); 950 int res = eio_poll ();
729 951
… …
735 957
736 poll_wait (); 958 poll_wait ();
737 } 959 }
738} 960}
739 961
740static void ecb_cold 962ecb_cold
963static void
741reinit (void) 964reinit (void)
742{ 965{
743 create_respipe (); 966 create_respipe ();
744 967
745 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
746 croak ("IO::AIO: unable to initialise eio library"); 969 croak ("IO::AIO: unable to initialise eio library");
747} 970}
748 971
749/*****************************************************************************/ 972/*****************************************************************************/
750 973
751#if !_POSIX_MAPPED_FILES 974static SV *
752# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
753# define munmap(addr,length) (errno = ENOSYS, -1)
754#endif
755
756#if !_POSIX_MEMORY_PROTECTION
757# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
758# define PROT_NONE 0
759# define PROT_WRITE 0
760# define MAP_PRIVATE 0
761# define MAP_SHARED 0
762# define MAP_FIXED 0
763#endif
764
765#define MMAP_MAGIC PERL_MAGIC_ext
766
767static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
768{
769 int old_errno = errno;
770 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
771 errno = old_errno;
772
773 mg->mg_obj = 0; /* just in case */
774
775 SvREADONLY_off (sv);
776
777 if (SvPVX (sv) != mg->mg_ptr)
778 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
779
780 SvCUR_set (sv, 0);
781 SvPVX (sv) = 0;
782 SvOK_off (sv);
783
784 return 0;
785}
786
787static MGVTBL mmap_vtbl = {
788 0, 0, 0, 0, mmap_free
789};
790
791/*****************************************************************************/
792
793static SV * get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
794{ 976{
795 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
796 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
797} 979}
798 980
981ecb_noinline
982static aio_req ecb_noinline
983dreq (SV *callback)
984{
985 SV *cb_cv;
986 aio_req req;
987 int req_pri = next_pri;
988 next_pri = EIO_PRI_DEFAULT;
989
990 cb_cv = get_cb (callback);
991
992 req = calloc (sizeof (*req), 1);
993 if (!req)
994 croak ("out of memory during eio_req allocation");
995
996 req->callback = SvREFCNT_inc (cb_cv);
997 req->pri = req_pri;
998
999 return req;
1000}
1001
799#define dREQ \ 1002#define dREQ \
800 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
801 aio_req req; \
802 int req_pri = next_pri; \
803 next_pri = EIO_PRI_DEFAULT; \
804 \
805 cb_cv = get_cb (callback); \
806 \
807 Newz (0, req, 1, eio_req); \
808 if (!req) \
809 croak ("out of memory during eio_req allocation"); \
810 \
811 req->callback = SvREFCNT_inc (cb_cv); \
812 req->pri = req_pri
813 1004
814#define REQ_SEND \ 1005#define REQ_SEND \
815 PUTBACK; \ 1006 PUTBACK; \
816 req_submit (req); \ 1007 req_submit (req); \
817 SPAGAIN; \ 1008 SPAGAIN; \
818 \ 1009 \
819 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
820 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
821 1012
822static void 1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
823req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
824{ 1017{
825 if (SvROK (path)) 1018 if (expect_false (SvROK (path)))
826 { 1019 {
827 AV *av = (AV *)SvRV (path); 1020 SV *rv = SvRV (path);
828 SV *wdob; 1021 SV *wdob;
829 1022
830 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
831 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
832
833 path = AvARRAY (av)[1];
834 wdob = AvARRAY (av)[0];
835
836 if (SvOK (wdob))
837 { 1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
838 *wd = SvAIO_WD (wdob); 1030 *wd = SvAIO_WD (wdob);
839 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 1031 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1032 }
1033 else
1034 *wd = EIO_INVALID_WD;
1035 }
1036 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1037 {
1038 *wd = (aio_wd)(long)SvIVX (rv);
1039 *wdsv = SvREFCNT_inc_NN (rv);
1040 *ptr = ".";
1041 return; /* path set to "." */
840 } 1042 }
841 else 1043 else
842 *wd = EIO_INVALID_WD; 1044 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
843 } 1045 }
844 1046
845 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
846 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
847} 1049}
848 1050
1051ecb_noinline
849static void 1052static void
850req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
851{ 1054{
852 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
853} 1056}
854 1057
1058ecb_noinline
855static void 1059static void
856req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
857{ 1061{
858 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
859 1063
… …
870 default: 1074 default:
871 req->type = type_path; 1075 req->type = type_path;
872 req_set_path1 (req, fh_or_path); 1076 req_set_path1 (req, fh_or_path);
873 break; 1077 break;
874 } 1078 }
875
876} 1079}
1080
1081/*****************************************************************************/
1082
1083static void
1084ts_set (struct timespec *ts, NV value)
1085{
1086 ts->tv_sec = value;
1087 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1088}
1089
1090static NV
1091ts_get (const struct timespec *ts)
1092{
1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098XS(boot_IO__AIO) ecb_cold;
877 1099
878MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
879 1101
880PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
881 1103
… …
886 IV iv; 1108 IV iv;
887 } *civ, const_iv[] = { 1109 } *civ, const_iv[] = {
888# define const_niv(name, value) { # name, (IV) value }, 1110# define const_niv(name, value) { # name, (IV) value },
889# define const_iv(name) { # name, (IV) name }, 1111# define const_iv(name) { # name, (IV) name },
890# define const_eio(name) { # name, (IV) EIO_ ## name }, 1112# define const_eio(name) { # name, (IV) EIO_ ## name },
1113
1114 /* you have to re-run ./gendef0 after adding/removing any constants here */
1115 /* the first block can be undef if missing */
1116 const_iv (ENOSYS)
891 const_iv (EXDEV) 1117 const_iv (EXDEV)
892 const_iv (ENOSYS) 1118 const_iv (EBADR)
1119
1120 /* for lseek */
1121 const_iv (SEEK_DATA)
1122 const_iv (SEEK_HOLE)
1123
1124 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1125 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1126 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1127 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1128 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1129 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1130
1131 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1132 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1133 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1134 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1135 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1136
1137 /* the second block will be 0 when missing */
1138 const_iv (O_ACCMODE)
1139
893 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
894 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
895 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
896 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
897 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
… …
910 const_iv (O_SEARCH) 1157 const_iv (O_SEARCH)
911 const_iv (O_DIRECTORY) 1158 const_iv (O_DIRECTORY)
912 const_iv (O_DSYNC) 1159 const_iv (O_DSYNC)
913 const_iv (O_RSYNC) 1160 const_iv (O_RSYNC)
914 const_iv (O_SYNC) 1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
915 const_iv (O_TTY_INIT) 1164 const_iv (O_TTY_INIT)
916 1165
917 const_iv (S_IFIFO) 1166 const_iv (S_IFIFO)
918 const_iv (S_IFCHR) 1167 const_iv (S_IFCHR)
919 const_iv (S_IFBLK) 1168 const_iv (S_IFBLK)
… …
921 const_iv (S_IFREG) 1170 const_iv (S_IFREG)
922 const_iv (S_IFDIR) 1171 const_iv (S_IFDIR)
923 const_iv (S_IFWHT) 1172 const_iv (S_IFWHT)
924 const_iv (S_IFSOCK) 1173 const_iv (S_IFSOCK)
925 const_iv (S_IFMT) 1174 const_iv (S_IFMT)
926
927 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
928 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
929 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
930 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
931 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
932 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
933
934 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
935 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
936 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
937 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
938 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
939 1175
940 const_iv (ST_RDONLY) 1176 const_iv (ST_RDONLY)
941 const_iv (ST_NOSUID) 1177 const_iv (ST_NOSUID)
942 const_iv (ST_NODEV) 1178 const_iv (ST_NODEV)
943 const_iv (ST_NOEXEC) 1179 const_iv (ST_NOEXEC)
… …
953 const_iv (PROT_NONE) 1189 const_iv (PROT_NONE)
954 const_iv (PROT_EXEC) 1190 const_iv (PROT_EXEC)
955 const_iv (PROT_READ) 1191 const_iv (PROT_READ)
956 const_iv (PROT_WRITE) 1192 const_iv (PROT_WRITE)
957 1193
958 /*const_iv (MAP_FIXED)*/
959 const_iv (MAP_PRIVATE) 1194 const_iv (MAP_PRIVATE)
960 const_iv (MAP_SHARED) 1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
961 const_iv (MAP_ANONYMOUS) 1197 const_iv (MAP_ANONYMOUS)
962 1198
963 /* linuxish */ 1199 /* linuxish */
964 const_iv (MAP_HUGETLB)
965 const_iv (MAP_LOCKED) 1200 const_iv (MAP_LOCKED)
966 const_iv (MAP_NORESERVE) 1201 const_iv (MAP_NORESERVE)
967 const_iv (MAP_POPULATE) 1202 const_iv (MAP_POPULATE)
968 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1204 const_iv (MAP_GROWSDOWN)
1205 const_iv (MAP_32BIT)
1206 const_iv (MAP_HUGETLB)
1207 const_iv (MAP_STACK)
1208 const_iv (MAP_FIXED_NOREPLACE)
1209 const_iv (MAP_SHARED_VALIDATE)
1210 const_iv (MAP_SYNC)
1211 const_iv (MAP_UNINITIALIZED)
1212
1213 const_iv (MREMAP_MAYMOVE)
1214 const_iv (MREMAP_FIXED)
1215
1216 const_iv (MSG_CMSG_CLOEXEC)
1217 const_iv (SOCK_CLOEXEC)
1218
1219 const_iv (F_DUPFD_CLOEXEC)
1220
1221 const_iv (F_ADD_SEALS)
1222 const_iv (F_GET_SEALS)
1223 const_iv (F_SEAL_SEAL)
1224 const_iv (F_SEAL_SHRINK)
1225 const_iv (F_SEAL_GROW)
1226 const_iv (F_SEAL_WRITE)
1227
1228 const_iv (F_OFD_GETLK)
1229 const_iv (F_OFD_SETLK)
1230 const_iv (F_OFD_GETLKW)
1231
1232 const_iv (FIFREEZE)
1233 const_iv (FITHAW)
1234 const_iv (FITRIM)
1235 const_iv (FICLONE)
1236 const_iv (FICLONERANGE)
1237 const_iv (FIDEDUPERANGE)
1238
1239 const_iv (FS_IOC_GETFLAGS)
1240 const_iv (FS_IOC_SETFLAGS)
1241 const_iv (FS_IOC_GETVERSION)
1242 const_iv (FS_IOC_SETVERSION)
1243 const_iv (FS_IOC_FIEMAP)
1244 const_iv (FS_IOC_FSGETXATTR)
1245 const_iv (FS_IOC_FSSETXATTR)
1246 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1247 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1248 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1249
1250 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1251
1252 const_iv (FS_SECRM_FL)
1253 const_iv (FS_UNRM_FL)
1254 const_iv (FS_COMPR_FL)
1255 const_iv (FS_SYNC_FL)
1256 const_iv (FS_IMMUTABLE_FL)
1257 const_iv (FS_APPEND_FL)
1258 const_iv (FS_NODUMP_FL)
1259 const_iv (FS_NOATIME_FL)
1260 const_iv (FS_DIRTY_FL)
1261 const_iv (FS_COMPRBLK_FL)
1262 const_iv (FS_NOCOMP_FL)
1263 const_iv (FS_ENCRYPT_FL)
1264 const_iv (FS_BTREE_FL)
1265 const_iv (FS_INDEX_FL)
1266 const_iv (FS_JOURNAL_DATA_FL)
1267 const_iv (FS_NOTAIL_FL)
1268 const_iv (FS_DIRSYNC_FL)
1269 const_iv (FS_TOPDIR_FL)
1270 const_iv (FS_FL_USER_MODIFIABLE)
1271
1272 const_iv (FS_XFLAG_REALTIME)
1273 const_iv (FS_XFLAG_PREALLOC)
1274 const_iv (FS_XFLAG_IMMUTABLE)
1275 const_iv (FS_XFLAG_APPEND)
1276 const_iv (FS_XFLAG_SYNC)
1277 const_iv (FS_XFLAG_NOATIME)
1278 const_iv (FS_XFLAG_NODUMP)
1279 const_iv (FS_XFLAG_RTINHERIT)
1280 const_iv (FS_XFLAG_PROJINHERIT)
1281 const_iv (FS_XFLAG_NOSYMLINKS)
1282 const_iv (FS_XFLAG_EXTSIZE)
1283 const_iv (FS_XFLAG_EXTSZINHERIT)
1284 const_iv (FS_XFLAG_NODEFRAG)
1285 const_iv (FS_XFLAG_FILESTREAM)
1286 const_iv (FS_XFLAG_DAX)
1287 const_iv (FS_XFLAG_HASATTR)
1288
1289 const_iv (FIEMAP_FLAG_SYNC)
1290 const_iv (FIEMAP_FLAG_XATTR)
1291 const_iv (FIEMAP_FLAGS_COMPAT)
1292 const_iv (FIEMAP_EXTENT_LAST)
1293 const_iv (FIEMAP_EXTENT_UNKNOWN)
1294 const_iv (FIEMAP_EXTENT_DELALLOC)
1295 const_iv (FIEMAP_EXTENT_ENCODED)
1296 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1297 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1298 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1299 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1300 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1301 const_iv (FIEMAP_EXTENT_MERGED)
1302 const_iv (FIEMAP_EXTENT_SHARED)
1303
1304 const_iv (SPLICE_F_MOVE)
1305 const_iv (SPLICE_F_NONBLOCK)
1306 const_iv (SPLICE_F_MORE)
1307 const_iv (SPLICE_F_GIFT)
1308
1309 const_iv (EFD_CLOEXEC)
1310 const_iv (EFD_NONBLOCK)
1311 const_iv (EFD_SEMAPHORE)
1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316 const_iv (MFD_HUGETLB_2MB)
1317 const_iv (MFD_HUGETLB_1GB)
1318
1319 const_iv (CLOCK_REALTIME)
1320 const_iv (CLOCK_MONOTONIC)
1321 const_iv (CLOCK_BOOTTIME)
1322 const_iv (CLOCK_REALTIME_ALARM)
1323 const_iv (CLOCK_BOOTTIME_ALARM)
1324
1325 const_iv (TFD_NONBLOCK)
1326 const_iv (TFD_CLOEXEC)
1327
1328 const_iv (TFD_TIMER_ABSTIME)
1329 const_iv (TFD_TIMER_CANCEL_ON_SET)
1330
1331 const_iv (STATX_TYPE)
1332 const_iv (STATX_MODE)
1333 const_iv (STATX_NLINK)
1334 const_iv (STATX_UID)
1335 const_iv (STATX_GID)
1336 const_iv (STATX_ATIME)
1337 const_iv (STATX_MTIME)
1338 const_iv (STATX_CTIME)
1339 const_iv (STATX_INO)
1340 const_iv (STATX_SIZE)
1341 const_iv (STATX_BLOCKS)
1342 const_iv (STATX_BASIC_STATS)
1343 const_iv (STATX_ALL)
1344 const_iv (STATX_BTIME)
1345 const_iv (STATX_ATTR_COMPRESSED)
1346 const_iv (STATX_ATTR_IMMUTABLE)
1347 const_iv (STATX_ATTR_APPEND)
1348 const_iv (STATX_ATTR_NODUMP)
1349 const_iv (STATX_ATTR_ENCRYPTED)
1350 const_iv (STATX_ATTR_AUTOMOUNT)
1351
1352 const_iv (AT_FDCWD)
1353 const_iv (AT_SYMLINK_NOFOLLOW)
1354 const_iv (AT_EACCESS)
1355 const_iv (AT_REMOVEDIR)
1356 const_iv (AT_SYMLINK_FOLLOW)
1357 const_iv (AT_NO_AUTOMOUNT)
1358 const_iv (AT_EMPTY_PATH)
1359 const_iv (AT_STATX_SYNC_TYPE)
1360 const_iv (AT_STATX_AS_STAT)
1361 const_iv (AT_STATX_FORCE_SYNC)
1362 const_iv (AT_STATX_DONT_SYNC)
1363 const_iv (AT_RECURSIVE)
1364
1365 const_iv (OPEN_TREE_CLONE)
1366
1367 const_iv (FSOPEN_CLOEXEC)
1368
1369 const_iv (FSPICK_CLOEXEC)
1370 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1371 const_iv (FSPICK_NO_AUTOMOUNT)
1372 const_iv (FSPICK_EMPTY_PATH)
1373
1374 const_iv (MOVE_MOUNT_F_SYMLINKS)
1375 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1376 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1377 const_iv (MOVE_MOUNT_T_SYMLINKS)
1378 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1379 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1380
1381 /* waitid */
1382 const_iv (P_PID)
1383 const_iv (P_PIDFD)
1384 const_iv (P_PGID)
1385 const_iv (P_ALL)
1386
1387 const_iv (FSCONFIG_SET_FLAG)
1388 const_iv (FSCONFIG_SET_STRING)
1389 const_iv (FSCONFIG_SET_BINARY)
1390 const_iv (FSCONFIG_SET_PATH)
1391 const_iv (FSCONFIG_SET_PATH_EMPTY)
1392 const_iv (FSCONFIG_SET_FD)
1393 const_iv (FSCONFIG_CMD_CREATE)
1394 const_iv (FSCONFIG_CMD_RECONFIGURE)
1395
1396 const_iv (MOUNT_ATTR_RDONLY)
1397 const_iv (MOUNT_ATTR_NOSUID)
1398 const_iv (MOUNT_ATTR_NODEV)
1399 const_iv (MOUNT_ATTR_NOEXEC)
1400 const_iv (MOUNT_ATTR__ATIME)
1401 const_iv (MOUNT_ATTR_RELATIME)
1402 const_iv (MOUNT_ATTR_NOATIME)
1403 const_iv (MOUNT_ATTR_STRICTATIME)
1404 const_iv (MOUNT_ATTR_NODIRATIME)
1405
1406 /* these are libeio constants, and are independent of gendef0 */
1407 const_eio (SEEK_SET)
1408 const_eio (SEEK_CUR)
1409 const_eio (SEEK_END)
969 1410
970 const_eio (MCL_FUTURE) 1411 const_eio (MCL_FUTURE)
971 const_eio (MCL_CURRENT) 1412 const_eio (MCL_CURRENT)
1413 const_eio (MCL_ONFAULT)
972 1414
973 const_eio (MS_ASYNC) 1415 const_eio (MS_ASYNC)
974 const_eio (MS_INVALIDATE) 1416 const_eio (MS_INVALIDATE)
975 const_eio (MS_SYNC) 1417 const_eio (MS_SYNC)
976 1418
… …
979 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1421 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
980 const_eio (SYNC_FILE_RANGE_WRITE) 1422 const_eio (SYNC_FILE_RANGE_WRITE)
981 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1423 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
982 1424
983 const_eio (FALLOC_FL_KEEP_SIZE) 1425 const_eio (FALLOC_FL_KEEP_SIZE)
1426 const_eio (FALLOC_FL_PUNCH_HOLE)
1427 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1428 const_eio (FALLOC_FL_ZERO_RANGE)
1429 const_eio (FALLOC_FL_INSERT_RANGE)
1430 const_eio (FALLOC_FL_UNSHARE_RANGE)
1431
1432 const_eio (RENAME_NOREPLACE)
1433 const_eio (RENAME_EXCHANGE)
1434 const_eio (RENAME_WHITEOUT)
984 1435
985 const_eio (READDIR_DENTS) 1436 const_eio (READDIR_DENTS)
986 const_eio (READDIR_DIRS_FIRST) 1437 const_eio (READDIR_DIRS_FIRST)
987 const_eio (READDIR_STAT_ORDER) 1438 const_eio (READDIR_STAT_ORDER)
988 const_eio (READDIR_FOUND_UNKNOWN) 1439 const_eio (READDIR_FOUND_UNKNOWN)
… …
1006 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1457 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1007 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1458 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1008 1459
1009 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1460 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1010 1461
1462 /* allocate dummy pipe fd for aio_close */
1463 {
1464 int pipefd [2];
1465
1466 if (
1467#ifdef _WIN32
1468 _pipe (pipefd, 1, _O_BINARY) < 0
1469#else
1470 pipe (pipefd) < 0
1471 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1472#endif
1473 || close (pipefd [1]) < 0
1474 )
1475 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1476
1477 close_fd = pipefd [0];
1478 }
1479
1011 reinit (); 1480 reinit ();
1012} 1481}
1013 1482
1014void 1483void
1015reinit () 1484reinit ()
… …
1056 PROTOTYPE: $ 1525 PROTOTYPE: $
1057 CODE: 1526 CODE:
1058 max_outstanding = maxreqs; 1527 max_outstanding = maxreqs;
1059 1528
1060void 1529void
1061aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1530aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1062 PPCODE: 1531 PPCODE:
1063{ 1532{
1064 dREQ; 1533 dREQ;
1065 1534
1066 req->type = EIO_WD_OPEN; 1535 req->type = EIO_WD_OPEN;
… …
1068 1537
1069 REQ_SEND; 1538 REQ_SEND;
1070} 1539}
1071 1540
1072void 1541void
1073aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1542aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1074 PPCODE: 1543 PPCODE:
1075{ 1544{
1076 dREQ; 1545 dREQ;
1077 1546
1078 req->type = EIO_OPEN; 1547 req->type = EIO_OPEN;
… …
1082 1551
1083 REQ_SEND; 1552 REQ_SEND;
1084} 1553}
1085 1554
1086void 1555void
1087aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1556aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1088 ALIAS: 1557 ALIAS:
1089 aio_fsync = EIO_FSYNC 1558 aio_fsync = EIO_FSYNC
1090 aio_fdatasync = EIO_FDATASYNC 1559 aio_fdatasync = EIO_FDATASYNC
1091 aio_syncfs = EIO_SYNCFS 1560 aio_syncfs = EIO_SYNCFS
1092 PPCODE: 1561 PPCODE:
1093{ 1562{
1094 int fd = s_fileno_croak (fh, 0); 1563 int fd = s_fileno_croak (fh, 0);
1095 dREQ; 1564 dREQ;
1096 1565
1097 req->type = ix; 1566 req->type = ix;
1098 req->sv1 = newSVsv (fh); 1567 req->sv1 = newSVsv (fh);
1099 req->int1 = fd; 1568 req->int1 = fd;
1100 1569
1101 REQ_SEND (req); 1570 REQ_SEND;
1102} 1571}
1103 1572
1104void 1573void
1105aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1574aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1106 PPCODE: 1575 PPCODE:
1107{ 1576{
1108 int fd = s_fileno_croak (fh, 0); 1577 int fd = s_fileno_croak (fh, 0);
1109 dREQ; 1578 dREQ;
1110 1579
1111 req->type = EIO_SYNC_FILE_RANGE; 1580 req->type = EIO_SYNC_FILE_RANGE;
1112 req->sv1 = newSVsv (fh); 1581 req->sv1 = newSVsv (fh);
1113 req->int1 = fd; 1582 req->int1 = fd;
1114 req->offs = offset; 1583 req->offs = offset;
1115 req->size = nbytes; 1584 req->size = nbytes;
1116 req->int2 = flags; 1585 req->int2 = flags;
1117 1586
1118 REQ_SEND (req); 1587 REQ_SEND;
1119} 1588}
1120 1589
1121void 1590void
1122aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1591aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1123 PPCODE: 1592 PPCODE:
1124{ 1593{
1125 int fd = s_fileno_croak (fh, 0); 1594 int fd = s_fileno_croak (fh, 0);
1126 dREQ; 1595 dREQ;
1127 1596
1128 req->type = EIO_FALLOCATE; 1597 req->type = EIO_FALLOCATE;
1129 req->sv1 = newSVsv (fh); 1598 req->sv1 = newSVsv (fh);
1130 req->int1 = fd; 1599 req->int1 = fd;
1131 req->int2 = mode; 1600 req->int2 = mode;
1132 req->offs = offset; 1601 req->offs = offset;
1133 req->size = len; 1602 req->size = len;
1134 1603
1135 REQ_SEND (req); 1604 REQ_SEND;
1136} 1605}
1137 1606
1138void 1607void
1139aio_close (SV *fh, SV *callback=&PL_sv_undef) 1608aio_close (SV *fh, SV *callback = &PL_sv_undef)
1140 PPCODE: 1609 PPCODE:
1141{ 1610{
1142 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1143 int fd = s_fileno_croak (fh, 0); 1611 int fd = s_fileno_croak (fh, 0);
1144 dREQ; 1612 dREQ;
1613#if 0
1614 /* partially duplicate logic in s_fileno */
1615 SvGETMAGIC (fh);
1145 1616
1146 if (expect_false (close_fd < 0)) 1617 if (SvROK (fh))
1618 {
1619 fh = SvRV (fh);
1620 SvGETMAGIC (fh);
1621 }
1622
1623 if (SvTYPE (fh) == SVt_PVGV)
1147 { 1624 {
1148 int pipefd [2]; 1625 /* perl filehandle */
1626 PerlIOUnix_refcnt_inc (fd);
1627 do_close ((GV *)fh, 1);
1149 1628
1150 if ( 1629 req->type = EIO_CLOSE;
1151#ifdef _WIN32 1630 req->int1 = fd;
1152 _pipe (pipefd, 1, _O_BINARY) < 0 1631 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1153#else
1154 pipe (pipefd) < 0
1155 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1156#endif
1157 || close (pipefd [1]) < 0
1158 )
1159 abort (); /*D*/
1160
1161 close_fd = pipefd [0];
1162 } 1632 }
1163 1633 else
1634#endif
1635 {
1636 /* fd number */
1164 req->type = EIO_DUP2; 1637 req->type = EIO_DUP2;
1165 req->int1 = close_fd; 1638 req->int1 = close_fd;
1639 req->sv2 = newSVsv (fh);
1640 req->int2 = fd;
1641 }
1642
1643 REQ_SEND;
1644}
1645
1646void
1647aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1648 PPCODE:
1649{
1650 int fd = s_fileno_croak (fh, 0);
1651 dREQ;
1652
1653 req->type = EIO_SEEK;
1166 req->sv2 = newSVsv (fh); 1654 req->sv1 = newSVsv (fh);
1167 req->int2 = fd; 1655 req->int1 = fd;
1656 req->offs = SvVAL64 (offset);
1657 req->int2 = whence;
1168 1658
1169 REQ_SEND (req); 1659 REQ_SEND;
1170} 1660}
1171 1661
1172void 1662void
1173aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1663aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1174 ALIAS: 1664 ALIAS:
1175 aio_read = EIO_READ 1665 aio_read = EIO_READ
1176 aio_write = EIO_WRITE 1666 aio_write = EIO_WRITE
1177 PPCODE: 1667 PPCODE:
1178{ 1668{
… …
1194 len = svlen - dataoffset; 1684 len = svlen - dataoffset;
1195 } 1685 }
1196 else 1686 else
1197 { 1687 {
1198 /* read: check type and grow scalar as necessary */ 1688 /* read: check type and grow scalar as necessary */
1199 SvUPGRADE (data, SVt_PV); 1689 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1200 svptr = SvGROW (data, len + dataoffset + 1); 1690 svptr = sv_grow (data, len + dataoffset + 1);
1691 else if (SvCUR (data) < len + dataoffset)
1692 croak ("length + dataoffset outside of scalar, and cannot grow");
1201 } 1693 }
1202 1694
1203 { 1695 {
1204 dREQ; 1696 dREQ;
1205 1697
… …
1221 REQ_SEND; 1713 REQ_SEND;
1222 } 1714 }
1223} 1715}
1224 1716
1225void 1717void
1718aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1719 ALIAS:
1720 aio_ioctl = EIO_IOCTL
1721 aio_fcntl = EIO_FCNTL
1722 PPCODE:
1723{
1724 int fd = s_fileno_croak (fh, 0);
1725 char *svptr;
1726
1727 if (SvPOK (arg) || !SvNIOK (arg))
1728 {
1729 STRLEN svlen;
1730 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1731#ifdef IOCPARM_LEN
1732 STRLEN need = IOCPARM_LEN (request);
1733#else
1734 STRLEN need = 256;
1735#endif
1736
1737 if (svlen < need)
1738 svptr = SvGROW (arg, need);
1739 }
1740 else
1741 svptr = (char *)SvIV (arg);
1742
1743 {
1744 dREQ;
1745
1746 req->type = ix;
1747 req->sv1 = newSVsv (fh);
1748 req->int1 = fd;
1749 req->int2 = (long)request;
1750 req->sv2 = SvREFCNT_inc (arg);
1751 req->ptr2 = svptr;
1752
1753 REQ_SEND;
1754 }
1755}
1756
1757void
1226aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1758aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1227 ALIAS: 1759 ALIAS:
1228 aio_readlink = EIO_READLINK 1760 aio_readlink = EIO_READLINK
1229 aio_realpath = EIO_REALPATH 1761 aio_realpath = EIO_REALPATH
1230 PPCODE: 1762 PPCODE:
1231{ 1763{
… …
1236 1768
1237 REQ_SEND; 1769 REQ_SEND;
1238} 1770}
1239 1771
1240void 1772void
1241aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1773aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1242 PPCODE: 1774 PPCODE:
1243{ 1775{
1244 int ifd = s_fileno_croak (in_fh , 0); 1776 int ifd = s_fileno_croak (in_fh , 0);
1245 int ofd = s_fileno_croak (out_fh, 1); 1777 int ofd = s_fileno_croak (out_fh, 1);
1246 dREQ; 1778 dREQ;
1247 1779
1248 req->type = EIO_SENDFILE; 1780 req->type = EIO_SENDFILE;
1249 req->sv1 = newSVsv (out_fh); 1781 req->sv1 = newSVsv (out_fh);
1250 req->int1 = ofd; 1782 req->int1 = ofd;
… …
1255 1787
1256 REQ_SEND; 1788 REQ_SEND;
1257} 1789}
1258 1790
1259void 1791void
1260aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1792aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1261 PPCODE: 1793 PPCODE:
1262{ 1794{
1263 int fd = s_fileno_croak (fh, 0); 1795 int fd = s_fileno_croak (fh, 0);
1264 dREQ; 1796 dREQ;
1265 1797
1266 req->type = EIO_READAHEAD; 1798 req->type = EIO_READAHEAD;
1267 req->sv1 = newSVsv (fh); 1799 req->sv1 = newSVsv (fh);
1268 req->int1 = fd; 1800 req->int1 = fd;
… …
1271 1803
1272 REQ_SEND; 1804 REQ_SEND;
1273} 1805}
1274 1806
1275void 1807void
1276aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1808aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1277 ALIAS: 1809 ALIAS:
1278 aio_stat = EIO_STAT 1810 aio_stat = EIO_STAT
1279 aio_lstat = EIO_LSTAT 1811 aio_lstat = EIO_LSTAT
1280 aio_statvfs = EIO_STATVFS 1812 aio_statvfs = EIO_STATVFS
1281 PPCODE: 1813 PPCODE:
1282{ 1814{
1283 dREQ; 1815 dREQ;
1284 1816
1285 req->sv1 = newSVsv (fh_or_path);
1286 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1817 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1818
1287 REQ_SEND; 1819 REQ_SEND;
1288} 1820}
1821
1822void
1823st_xtime ()
1824 ALIAS:
1825 st_atime = 0x01
1826 st_mtime = 0x02
1827 st_ctime = 0x04
1828 st_btime = 0x08
1829 st_xtime = 0x0f
1830 PPCODE:
1831 EXTEND (SP, 4);
1832 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1833 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1834 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1835 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1836
1837void
1838st_xtimensec ()
1839 ALIAS:
1840 st_atimensec = 0x01
1841 st_mtimensec = 0x02
1842 st_ctimensec = 0x04
1843 st_btimensec = 0x08
1844 st_xtimensec = 0x0f
1845 st_btimesec = 0x10
1846 st_gen = 0x20
1847 PPCODE:
1848 EXTEND (SP, 4);
1849 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1850 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1851 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1852 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1853 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1854 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1289 1855
1290UV 1856UV
1291major (UV dev) 1857major (UV dev)
1292 ALIAS: 1858 ALIAS:
1293 minor = 1 1859 minor = 1
1294 CODE: 1860 CODE:
1295 RETVAL = ix ? major (dev) : minor (dev); 1861 RETVAL = ix ? minor (dev) : major (dev);
1296 OUTPUT: 1862 OUTPUT:
1297 RETVAL 1863 RETVAL
1298 1864
1299UV 1865UV
1300makedev (UV maj, UV min) 1866makedev (UV maj, UV min)
… …
1302 RETVAL = makedev (maj, min); 1868 RETVAL = makedev (maj, min);
1303 OUTPUT: 1869 OUTPUT:
1304 RETVAL 1870 RETVAL
1305 1871
1306void 1872void
1307aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1873aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1308 PPCODE: 1874 PPCODE:
1309{ 1875{
1310 dREQ; 1876 dREQ;
1311 1877
1312 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1878 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1315 1881
1316 REQ_SEND; 1882 REQ_SEND;
1317} 1883}
1318 1884
1319void 1885void
1320aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1886aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1321 PPCODE: 1887 PPCODE:
1322{ 1888{
1323 dREQ; 1889 dREQ;
1324 1890
1325 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1891 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1327 1893
1328 REQ_SEND; 1894 REQ_SEND;
1329} 1895}
1330 1896
1331void 1897void
1332aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1898aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1333 ALIAS:
1334 aio_chmod = EIO_CHMOD
1335 aio_mkdir = EIO_MKDIR
1336 PPCODE: 1899 PPCODE:
1337{ 1900{
1338 dREQ; 1901 dREQ;
1339 1902
1340 req->int2 = mode; 1903 req->int2 = mode;
… …
1342 1905
1343 REQ_SEND; 1906 REQ_SEND;
1344} 1907}
1345 1908
1346void 1909void
1347aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1910aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1348 PPCODE: 1911 PPCODE:
1349{ 1912{
1350 dREQ; 1913 dREQ;
1351 1914
1352 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1915 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1355 1918
1356 REQ_SEND; 1919 REQ_SEND;
1357} 1920}
1358 1921
1359void 1922void
1360aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1923aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1361 PPCODE: 1924 PPCODE:
1362{ 1925{
1363 dREQ; 1926 dREQ;
1364 1927
1365 req->type = EIO_READDIR; 1928 req->type = EIO_READDIR;
… …
1372 1935
1373 REQ_SEND; 1936 REQ_SEND;
1374} 1937}
1375 1938
1376void 1939void
1940aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1941 PPCODE:
1942{
1943 dREQ;
1944
1945 req->type = EIO_MKDIR;
1946 req->int2 = mode;
1947 req_set_path1 (req, pathname);
1948
1949 REQ_SEND;
1950}
1951
1952void
1377aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1953aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1378 ALIAS: 1954 ALIAS:
1379 aio_unlink = EIO_UNLINK 1955 aio_unlink = EIO_UNLINK
1380 aio_rmdir = EIO_RMDIR 1956 aio_rmdir = EIO_RMDIR
1381 aio_readdir = EIO_READDIR 1957 aio_readdir = EIO_READDIR
1382 PPCODE: 1958 PPCODE:
… …
1388 1964
1389 REQ_SEND; 1965 REQ_SEND;
1390} 1966}
1391 1967
1392void 1968void
1393aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1969aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1394 ALIAS: 1970 ALIAS:
1395 aio_link = EIO_LINK 1971 aio_link = EIO_LINK
1396 aio_symlink = EIO_SYMLINK 1972 aio_symlink = EIO_SYMLINK
1397 aio_rename = EIO_RENAME 1973 aio_rename = EIO_RENAME
1398 PPCODE: 1974 PPCODE:
1399{ 1975{
1976 eio_wd wd2 = 0;
1400 dREQ; 1977 dREQ;
1401 eio_wd wd2;
1402 1978
1403 req->type = ix; 1979 req->type = ix;
1404 req_set_path1 (req, oldpath); 1980 req_set_path1 (req, oldpath);
1405 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1981 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1406 req->int3 = (long)wd2; 1982 req->int3 = (long)wd2;
1407 1983
1408 REQ_SEND; 1984 REQ_SEND;
1409} 1985}
1410 1986
1411void 1987void
1988aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1989 PPCODE:
1990{
1991 eio_wd wd2 = 0;
1992 dREQ;
1993
1994 req->type = EIO_RENAME;
1995 req_set_path1 (req, oldpath);
1996 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1997 req->int2 = flags;
1998 req->int3 = (long)wd2;
1999
2000 REQ_SEND;
2001}
2002
2003void
1412aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2004aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1413 PPCODE: 2005 PPCODE:
1414{ 2006{
1415 dREQ; 2007 dREQ;
1416 2008
1417 req->type = EIO_MKNOD; 2009 req->type = EIO_MKNOD;
… …
1421 2013
1422 REQ_SEND; 2014 REQ_SEND;
1423} 2015}
1424 2016
1425void 2017void
1426aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2018aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1427 ALIAS: 2019 ALIAS:
1428 aio_mtouch = EIO_MTOUCH 2020 aio_mtouch = EIO_MTOUCH
1429 aio_msync = EIO_MSYNC 2021 aio_msync = EIO_MSYNC
1430 PPCODE: 2022 PPCODE:
1431{ 2023{
1432 STRLEN svlen; 2024 STRLEN svlen;
1433 char *svptr = SvPVbyte (data, svlen); 2025 char *svptr = SvPVbyte (data, svlen);
1434 UV len = SvUV (length); 2026 UV len = SvUV (length);
2027
2028 if (flags < 0)
2029 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1435 2030
1436 if (offset < 0) 2031 if (offset < 0)
1437 offset += svlen; 2032 offset += svlen;
1438 2033
1439 if (offset < 0 || offset > svlen) 2034 if (offset < 0 || offset > svlen)
… …
1454 REQ_SEND; 2049 REQ_SEND;
1455 } 2050 }
1456} 2051}
1457 2052
1458void 2053void
1459aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2054aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1460 PPCODE: 2055 PPCODE:
1461{ 2056{
1462 STRLEN svlen; 2057 STRLEN svlen;
1463 char *svptr = SvPVbyte (data, svlen); 2058 char *svptr = SvPVbyte (data, svlen);
1464 UV len = SvUV (length); 2059 UV len = SvUV (length);
… …
1483 REQ_SEND; 2078 REQ_SEND;
1484 } 2079 }
1485} 2080}
1486 2081
1487void 2082void
1488aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2083aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1489 PPCODE: 2084 PPCODE:
1490{ 2085{
1491 dREQ; 2086 dREQ;
1492 2087
1493 req->type = EIO_MLOCKALL; 2088 req->type = EIO_MLOCKALL;
… …
1495 2090
1496 REQ_SEND; 2091 REQ_SEND;
1497} 2092}
1498 2093
1499void 2094void
2095aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2096 PPCODE:
2097{
2098 int fd = s_fileno_croak (fh, 0);
2099 dREQ;
2100
2101 req->type = EIO_CUSTOM;
2102 req->sv1 = newSVsv (fh);
2103 req->int1 = fd;
2104
2105 req->feed = fiemap;
2106#if HAVE_FIEMAP
2107 /* keep our fingers crossed that the next two types are 64 bit */
2108 req->offs = start;
2109 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2110 req->int2 = flags;
2111 req->int3 = SvOK (count) ? SvIV (count) : -1;
2112#endif
2113
2114 REQ_SEND;
2115}
2116
2117void
2118aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2119 PPCODE:
2120{
2121 char *svptr = 0;
2122
2123 sv_clear_foreign (data);
2124
2125 if (length) /* known length, directly read into scalar */
2126 {
2127 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2128 svptr = sv_grow (data, length + 1);
2129 else if (SvCUR (data) < length)
2130 croak ("length outside of scalar, and cannot grow");
2131 else
2132 svptr = SvPVbyte_nolen (data);
2133 }
2134
2135 {
2136 dREQ;
2137
2138 req->type = EIO_SLURP;
2139 req_set_path1 (req, pathname);
2140 req->offs = offset;
2141 req->size = length;
2142 req->sv2 = SvREFCNT_inc (data);
2143 req->ptr2 = svptr;
2144
2145 if (!SvREADONLY (data))
2146 {
2147 SvREADONLY_on (data);
2148 req->flags |= FLAG_SV2_RO_OFF;
2149 }
2150
2151 REQ_SEND;
2152 }
2153}
2154
2155void
1500aio_busy (double delay, SV *callback=&PL_sv_undef) 2156aio_busy (double delay, SV *callback = &PL_sv_undef)
1501 PPCODE: 2157 PPCODE:
1502{ 2158{
1503 dREQ; 2159 dREQ;
1504 2160
1505 req->type = EIO_BUSY; 2161 req->type = EIO_BUSY;
… …
1507 2163
1508 REQ_SEND; 2164 REQ_SEND;
1509} 2165}
1510 2166
1511void 2167void
1512aio_group (SV *callback=&PL_sv_undef) 2168aio_group (SV *callback = &PL_sv_undef)
1513 PPCODE: 2169 PPCODE:
1514{ 2170{
1515 dREQ; 2171 dREQ;
1516 2172
1517 req->type = EIO_GROUP; 2173 req->type = EIO_GROUP;
1518 2174
2175 PUTBACK;
1519 req_submit (req); 2176 req_submit (req);
2177 SPAGAIN;
2178
1520 XPUSHs (req_sv (req, aio_grp_stash)); 2179 XPUSHs (req_sv (req, aio_grp_stash));
1521} 2180}
1522 2181
1523void 2182void
1524aio_nop (SV *callback=&PL_sv_undef) 2183aio_nop (SV *callback = &PL_sv_undef)
1525 ALIAS: 2184 ALIAS:
1526 aio_nop = EIO_NOP 2185 aio_nop = EIO_NOP
1527 aio_sync = EIO_SYNC 2186 aio_sync = EIO_SYNC
1528 PPCODE: 2187 PPCODE:
1529{ 2188{
… …
1533 2192
1534 REQ_SEND; 2193 REQ_SEND;
1535} 2194}
1536 2195
1537int 2196int
1538aioreq_pri (int pri = 0) 2197aioreq_pri (int pri = NO_INIT)
1539 CODE: 2198 CODE:
1540 RETVAL = next_pri; 2199 RETVAL = next_pri;
1541 if (items > 0) 2200 if (items > 0)
1542 { 2201 {
1543 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2202 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1633 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2292 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1634 OUTPUT: 2293 OUTPUT:
1635 RETVAL 2294 RETVAL
1636 2295
1637void 2296void
1638mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2297mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1639 PPCODE: 2298 PPCODE:
1640 sv_unmagic (scalar, MMAP_MAGIC); 2299 sv_clear_foreign (scalar);
1641{ 2300{
1642 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2301 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1643 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2302 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1644 if (addr == (void *)-1) 2303 if (addr == (void *)-1)
1645 XSRETURN_NO; 2304 XSRETURN_NO;
1646 2305
1647 sv_force_normal (scalar); 2306 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1648
1649 /* we store the length in mg_obj, as namlen is I32 :/ */
1650 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1651 ->mg_obj = (SV *)length;
1652
1653 SvUPGRADE (scalar, SVt_PV); /* nop... */
1654 2307
1655 if (!(prot & PROT_WRITE)) 2308 if (!(prot & PROT_WRITE))
1656 SvREADONLY_on (scalar); 2309 SvREADONLY_on (scalar);
1657 2310
1658 if (SvLEN (scalar))
1659 Safefree (SvPVX (scalar));
1660
1661 SvPVX (scalar) = (char *)addr;
1662 SvCUR_set (scalar, length);
1663 SvLEN_set (scalar, 0);
1664 SvPOK_only (scalar);
1665
1666 XSRETURN_YES; 2311 XSRETURN_YES;
1667} 2312}
1668 2313
1669void 2314void
1670munmap (SV *scalar) 2315munmap (SV *scalar)
1671 CODE: 2316 CODE:
1672 sv_unmagic (scalar, MMAP_MAGIC); 2317 sv_clear_foreign (scalar);
2318
2319SV *
2320mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2321 CODE:
2322{
2323 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2324 void *new;
2325
2326 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2327 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2328
2329 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2330
2331 RETVAL = &PL_sv_no;
2332
2333 if (new != (void *)-1)
2334 {
2335 RETVAL = new == (void *)mg->mg_ptr
2336 ? newSVpvn ("0 but true", 10)
2337 : &PL_sv_yes;
2338
2339 mg->mg_ptr = (char *)new;
2340 mg->mg_obj = (SV *)new_length;
2341
2342 SvPVX (scalar) = mg->mg_ptr;
2343 SvCUR_set (scalar, new_length);
2344 }
2345}
2346 OUTPUT:
2347 RETVAL
1673 2348
1674int 2349int
1675madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2350madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1676 ALIAS: 2351 ALIAS:
1677 mprotect = 1 2352 mprotect = 1
1678 CODE: 2353 CODE:
1679{ 2354{
1680 STRLEN svlen; 2355 STRLEN svlen;
1681 void *addr = SvPVbyte (scalar, svlen); 2356 void *addr = SvPVbyte (scalar, svlen);
1682 size_t len = SvUV (length); 2357 STRLEN len = SvUV (length);
1683 2358
1684 if (offset < 0) 2359 if (offset < 0)
1685 offset += svlen; 2360 offset += svlen;
1686 2361
1687 if (offset < 0 || offset > svlen) 2362 if (offset < 0 || offset > svlen)
… …
1701} 2376}
1702 OUTPUT: 2377 OUTPUT:
1703 RETVAL 2378 RETVAL
1704 2379
1705int 2380int
1706munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2381munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1707 CODE: 2382 CODE:
1708{ 2383{
1709 STRLEN svlen; 2384 STRLEN svlen;
1710 void *addr = SvPVbyte (scalar, svlen); 2385 void *addr = SvPVbyte (scalar, svlen);
1711 size_t len = SvUV (length); 2386 size_t len = SvUV (length);
1712 2387
1713 if (offset < 0) 2388 if (offset < 0)
1714 offset += svlen; 2389 offset += svlen;
1715 2390
… …
1722 addr = (void *)(((intptr_t)addr) + offset); 2397 addr = (void *)(((intptr_t)addr) + offset);
1723 eio_page_align (&addr, &len); 2398 eio_page_align (&addr, &len);
1724#if _POSIX_MEMLOCK_RANGE 2399#if _POSIX_MEMLOCK_RANGE
1725 RETVAL = munlock (addr, len); 2400 RETVAL = munlock (addr, len);
1726#else 2401#else
1727 RETVAL = ((errno = ENOSYS), -1); 2402 RETVAL = EIO_ENOSYS ();
1728#endif 2403#endif
1729} 2404}
1730 OUTPUT: 2405 OUTPUT:
2406 RETVAL
2407
2408int
2409mlockall (int flags)
2410 PROTOTYPE: $;
2411 CODE:
2412 RETVAL = eio_mlockall_sync (flags);
2413 OUTPUT:
1731 RETVAL 2414 RETVAL
1732 2415
1733int 2416int
1734munlockall () 2417munlockall ()
1735 CODE: 2418 CODE:
1736#if _POSIX_MEMLOCK 2419#if _POSIX_MEMLOCK
1737 munlockall (); 2420 munlockall ();
1738#else 2421#else
1739 RETVAL = -1; 2422 RETVAL = EIO_ENOSYS ();
1740 errno = ENOSYS;
1741#endif 2423#endif
1742 OUTPUT: 2424 OUTPUT:
1743 RETVAL 2425 RETVAL
2426
2427int
2428statx (SV8 *pathname, int flags, UV mask)
2429 CODE:
2430{
2431 /* undocumented, and might go away, and anyway, should use eio_statx */
2432 SV *wdsv = 0;
2433 SV *pathsv = 0;
2434 eio_wd wd = EIO_CWD;
2435 void *ptr;
2436 int res;
2437
2438 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2439 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2440
2441 SvREFCNT_dec (pathsv);
2442 SvREFCNT_dec (wdsv);
2443}
2444 OUTPUT:
2445 RETVAL
2446
2447U32
2448stx_mode ()
2449 PROTOTYPE:
2450 CODE:
2451#if HAVE_STATX
2452 RETVAL = stx.stx_mode;
2453#else
2454 XSRETURN_UNDEF;
2455#endif
2456 OUTPUT:
2457 RETVAL
2458
2459#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2460#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2461#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2462#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2463#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2464#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2465#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2466#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2467#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2468#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2469#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2470#define STATX_OFFSET_size statx_offsetof (stx_size)
2471#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2472#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2473#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2474#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2475#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2476#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2477
2478U32
2479stx_mask ()
2480 PROTOTYPE:
2481 ALIAS:
2482 stx_mask = STATX_OFFSET_mask
2483 stx_blksize = STATX_OFFSET_blksize
2484 stx_nlink = STATX_OFFSET_nlink
2485 stx_uid = STATX_OFFSET_uid
2486 stx_gid = STATX_OFFSET_gid
2487 stx_rdev_major = STATX_OFFSET_rdev_major
2488 stx_rdev_minor = STATX_OFFSET_rdev_minor
2489 stx_dev_major = STATX_OFFSET_dev_major
2490 stx_dev_minor = STATX_OFFSET_dev_minor
2491 CODE:
2492#if HAVE_STATX
2493 RETVAL = *(__u32 *)((char *)&stx + ix);
2494#else
2495 XSRETURN_UNDEF;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500VAL64
2501stx_attributes ()
2502 PROTOTYPE:
2503 ALIAS:
2504 stx_attributes = STATX_OFFSET_attributes
2505 stx_ino = STATX_OFFSET_ino
2506 stx_size = STATX_OFFSET_size
2507 stx_blocks = STATX_OFFSET_blocks
2508 stx_attributes_mask = STATX_OFFSET_attributes_mask
2509 CODE:
2510#if HAVE_STATX
2511 RETVAL = *(__u64 *)((char *)&stx + ix);
2512#else
2513 XSRETURN_UNDEF;
2514#endif
2515 OUTPUT:
2516 RETVAL
2517
2518NV
2519stx_atime ()
2520 PROTOTYPE:
2521 ALIAS:
2522 stx_atime = STATX_OFFSET_atime
2523 stx_btime = STATX_OFFSET_btime
2524 stx_ctime = STATX_OFFSET_ctime
2525 stx_mtime = STATX_OFFSET_mtime
2526 CODE:
2527#if HAVE_STATX
2528 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2529 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2530#else
2531 XSRETURN_UNDEF;
2532#endif
2533 OUTPUT:
2534 RETVAL
2535
2536VAL64
2537stx_atimesec ()
2538 PROTOTYPE:
2539 ALIAS:
2540 stx_atimesec = STATX_OFFSET_atime
2541 stx_btimesec = STATX_OFFSET_btime
2542 stx_ctimesec = STATX_OFFSET_ctime
2543 stx_mtimesec = STATX_OFFSET_mtime
2544 CODE:
2545#if HAVE_STATX
2546 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2547 RETVAL = ts->tv_sec;
2548#else
2549 XSRETURN_UNDEF;
2550#endif
2551 OUTPUT:
2552 RETVAL
2553
2554U32
2555stx_atimensec ()
2556 PROTOTYPE:
2557 ALIAS:
2558 stx_atimensec = STATX_OFFSET_atime
2559 stx_btimensec = STATX_OFFSET_btime
2560 stx_ctimensec = STATX_OFFSET_ctime
2561 stx_mtimensec = STATX_OFFSET_mtime
2562 CODE:
2563#if HAVE_STATX
2564 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2565 RETVAL = ts->tv_nsec;
2566#else
2567 RETVAL = 0;
2568#endif
2569 OUTPUT:
2570 RETVAL
2571
2572void
2573accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2574 PPCODE:
2575{
2576 SV *retval;
2577#if HAVE_ACCEPT4
2578 socklen_t salen_ = salen ? salen + 1 : 0;
2579
2580 if (salen)
2581 {
2582 sv_upgrade (sockaddr, SVt_PV);
2583 sv_grow (sockaddr, salen_);
2584 }
2585
2586 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2587
2588 retval = newmortalFH (res, O_RDWR);
2589
2590 if (res >= 0 && salen > 0)
2591 {
2592 if (salen_ > salen + 1)
2593 salen_ = salen + 1;
2594
2595 SvPOK_only (sockaddr);
2596 SvCUR_set (sockaddr, salen_);
2597 }
2598#else
2599 errno = ENOSYS;
2600 retval = &PL_sv_undef;
2601#endif
2602 XPUSHs (retval);
2603}
2604
2605ssize_t
2606splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2607 CODE:
2608{
2609#if HAVE_LINUX_SPLICE
2610 loff_t off_in_, off_out_;
2611 RETVAL = splice (
2612 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2613 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2614 length, flags
2615 );
2616#else
2617 RETVAL = EIO_ENOSYS ();
2618#endif
2619}
2620 OUTPUT:
2621 RETVAL
2622
2623ssize_t
2624tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2625 CODE:
2626#if HAVE_LINUX_SPLICE
2627 RETVAL = tee (rfh, wfh, length, flags);
2628#else
2629 RETVAL = EIO_ENOSYS ();
2630#endif
2631 OUTPUT:
2632 RETVAL
2633
2634int
2635pipesize (aio_rfd rfh, int new_size = -1)
2636 PROTOTYPE: $;$
2637 CODE:
2638#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2639 if (new_size >= 0)
2640 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2641 else
2642 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2643#else
2644 errno = ENOSYS;
2645 RETVAL = -1;
2646#endif
2647 OUTPUT:
2648 RETVAL
2649
2650void
2651pipe2 (int flags = 0)
2652 PROTOTYPE: ;$
2653 PPCODE:
2654{
2655 int fd[2];
2656 int res;
2657
2658 if (flags)
2659#if HAVE_PIPE2
2660 res = pipe2 (fd, flags);
2661#else
2662 res = (errno = ENOSYS, -1);
2663#endif
2664 else
2665 res = pipe (fd);
2666
2667 if (!res)
2668 {
2669 EXTEND (SP, 2);
2670 PUSHs (newmortalFH (fd[0], O_RDONLY));
2671 PUSHs (newmortalFH (fd[1], O_WRONLY));
2672 }
2673}
2674
2675void
2676pidfd_open (int pid, unsigned int flags = 0)
2677 PPCODE:
2678{
2679 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2680 int fd = syscall (SYS_pidfd_open, pid, flags);
2681 XPUSHs (newmortalFH (fd, O_RDWR));
2682}
2683
2684int
2685pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 int res;
2689#if HAVE_SIGINFO_T
2690 siginfo_t si = { 0 };
2691
2692 if (SvOK (siginfo))
2693 {
2694 HV *hv;
2695 SV **svp;
2696
2697 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2698 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2699
2700 hv = (HV *)SvRV (siginfo);
2701
2702 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2704 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2705 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2706 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2707 }
2708
2709 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2710 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2711#else
2712 res = (errno = ENOSYS, -1);
2713#endif
2714
2715 XPUSHs (sv_2mortal (newSViv (res)));
2716}
2717
2718void
2719pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2720 PPCODE:
2721{
2722 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2723 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2724 XPUSHs (newmortalFH (fd, O_RDWR));
2725}
2726
2727void
2728eventfd (unsigned int initval = 0, int flags = 0)
2729 PPCODE:
2730{
2731 int fd;
2732#if HAVE_EVENTFD
2733 fd = eventfd (initval, flags);
2734#else
2735 fd = (errno = ENOSYS, -1);
2736#endif
2737
2738 XPUSHs (newmortalFH (fd, O_RDWR));
2739}
2740
2741void
2742timerfd_create (int clockid, int flags = 0)
2743 PPCODE:
2744{
2745 int fd;
2746#if HAVE_TIMERFD
2747 fd = timerfd_create (clockid, flags);
2748#else
2749 fd = (errno = ENOSYS, -1);
2750#endif
2751
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756timerfd_settime (SV *fh, int flags, NV interval, NV value)
2757 PPCODE:
2758{
2759 int fd = s_fileno_croak (fh, 0);
2760#if HAVE_TIMERFD
2761 int res;
2762 struct itimerspec its, ots;
2763
2764 ts_set (&its.it_interval, interval);
2765 ts_set (&its.it_value , value);
2766 res = timerfd_settime (fd, flags, &its, &ots);
2767
2768 if (!res)
2769 {
2770 EXTEND (SP, 2);
2771 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2772 PUSHs (newSVnv (ts_get (&ots.it_value)));
2773 }
2774#else
2775 errno = ENOSYS;
2776#endif
2777}
2778
2779void
2780timerfd_gettime (SV *fh)
2781 PPCODE:
2782{
2783 int fd = s_fileno_croak (fh, 0);
2784#if HAVE_TIMERFD
2785 int res;
2786 struct itimerspec ots;
2787 res = timerfd_gettime (fd, &ots);
2788
2789 if (!res)
2790 {
2791 EXTEND (SP, 2);
2792 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2793 PUSHs (newSVnv (ts_get (&ots.it_value)));
2794 }
2795#else
2796 errno = ENOSYS;
2797#endif
2798}
2799
2800void
2801memfd_create (SV8 *pathname, int flags = 0)
2802 PPCODE:
2803{
2804 int fd;
2805#if HAVE_MEMFD_CREATE
2806 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2807#else
2808 fd = (errno = ENOSYS, -1);
2809#endif
2810
2811 XPUSHs (newmortalFH (fd, O_RDWR));
2812}
2813
2814UV
2815get_fdlimit ()
2816 CODE:
2817#if HAVE_RLIMITS
2818 struct rlimit rl;
2819 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2820 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2821#endif
2822 XSRETURN_UNDEF;
2823 OUTPUT:
2824 RETVAL
2825
2826void
2827min_fdlimit (UV limit = 0x7fffffffU)
2828 CODE:
2829{
2830#if HAVE_RLIMITS
2831 struct rlimit rl;
2832 rlim_t orig_rlim_max;
2833 UV bit;
2834
2835 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2836 goto fail;
2837
2838 if (rl.rlim_cur == RLIM_INFINITY)
2839 XSRETURN_YES;
2840
2841 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2842
2843 if (rl.rlim_cur < limit)
2844 {
2845 rl.rlim_cur = limit;
2846
2847 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2848 rl.rlim_max = rl.rlim_cur;
2849 }
2850
2851 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2852 XSRETURN_YES;
2853
2854 if (errno == EPERM)
2855 {
2856 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2857 /* our limit overflows a system-wide limit */
2858 /* try an adaptive algorithm, but do not lower the hardlimit */
2859 rl.rlim_max = 0;
2860 for (bit = 0x40000000U; bit; bit >>= 1)
2861 {
2862 rl.rlim_max |= bit;
2863 rl.rlim_cur = rl.rlim_max;
2864
2865 /* never decrease the hard limit */
2866 if (rl.rlim_max < orig_rlim_max)
2867 break;
2868
2869 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2870 rl.rlim_max &= ~bit; /* too high, remove bit again */
2871 }
2872
2873 /* now, raise the soft limit to the max permitted */
2874 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2875 {
2876 rl.rlim_cur = rl.rlim_max;
2877 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2878 errno = EPERM;
2879 }
2880 }
2881#endif
2882 fail:
2883 XSRETURN_UNDEF;
2884}
1744 2885
1745void _on_next_submit (SV *cb) 2886void _on_next_submit (SV *cb)
1746 CODE: 2887 CODE:
1747 SvREFCNT_dec (on_next_submit); 2888 SvREFCNT_dec (on_next_submit);
1748 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2889 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1761DESTROY (SV *self) 2902DESTROY (SV *self)
1762 CODE: 2903 CODE:
1763{ 2904{
1764 aio_wd wd = SvAIO_WD (self); 2905 aio_wd wd = SvAIO_WD (self);
1765#if HAVE_AT 2906#if HAVE_AT
2907 {
1766 SV *callback = &PL_sv_undef; 2908 SV *callback = &PL_sv_undef;
1767 dREQ; /* clobbers next_pri :/ */ 2909 dREQ; /* clobbers next_pri :/ */
2910 next_pri = req->pri; /* restore next_pri */
2911 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1768 req->type = EIO_WD_CLOSE; 2912 req->type = EIO_WD_CLOSE;
1769 req->wd = wd; 2913 req->wd = wd;
1770 REQ_SEND; 2914 REQ_SEND;
2915 }
1771#else 2916#else
1772 eio_wd_close_sync (wd); 2917 eio_wd_close_sync (wd);
1773#endif 2918#endif
1774} 2919}
1775 2920
… …
1779cancel (aio_req_ornot req) 2924cancel (aio_req_ornot req)
1780 CODE: 2925 CODE:
1781 eio_cancel (req); 2926 eio_cancel (req);
1782 2927
1783void 2928void
1784cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2929cb (aio_req_ornot req, SV *callback = NO_INIT)
1785 PPCODE: 2930 PPCODE:
1786{ 2931{
1787 if (GIMME_V != G_VOID) 2932 if (GIMME_V != G_VOID)
1788 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2933 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1789 2934
1790 if (items > 1) 2935 if (items > 1)
1791 { 2936 {
1792 SV *cb_cv =get_cb (callback); 2937 SV *cb_cv = get_cb (callback);
1793 2938
1794 SvREFCNT_dec (req->callback); 2939 SvREFCNT_dec (req->callback);
1795 req->callback = SvREFCNT_inc (cb_cv); 2940 req->callback = SvREFCNT_inc (cb_cv);
1796 } 2941 }
1797} 2942}
… …
1854limit (aio_req grp, int limit) 2999limit (aio_req grp, int limit)
1855 CODE: 3000 CODE:
1856 eio_grp_limit (grp, limit); 3001 eio_grp_limit (grp, limit);
1857 3002
1858void 3003void
1859feed (aio_req grp, SV *callback=&PL_sv_undef) 3004feed (aio_req grp, SV *callback = &PL_sv_undef)
1860 CODE: 3005 CODE:
1861{ 3006{
1862 SvREFCNT_dec (grp->sv2); 3007 SvREFCNT_dec (grp->sv2);
1863 grp->sv2 = newSVsv (callback); 3008 grp->sv2 = newSVsv (callback);
1864 grp->feed = aio_grp_feed; 3009 grp->feed = aio_grp_feed;

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