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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.287 by root, Tue Dec 29 15:28:02 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};
332 454
333typedef eio_req *aio_req; 455typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 456typedef eio_req *aio_req_ornot;
335typedef eio_wd *aio_wd; 457typedef eio_wd aio_wd;
336 458
337static SV *on_next_submit; 459static SV *on_next_submit;
338static int next_pri = EIO_PRI_DEFAULT; 460static int next_pri = EIO_PRI_DEFAULT;
339static int max_outstanding; 461static int max_outstanding;
340 462
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);
365 } 491 }
366 492
367 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 493 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368} 494}
369 495
370static aio_req SvAIO_REQ (SV *sv) 496static SV *
497newSVaio_wd (aio_wd wd)
498{
499 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
500}
501
502ecb_noinline
503static aio_req
504SvAIO_REQ (SV *sv)
371{ 505{
372 MAGIC *mg; 506 MAGIC *mg;
373 507
374 if (!SvROK (sv) 508 if (!SvROK (sv)
509 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375 || (SvSTASH (SvRV (sv)) != aio_grp_stash 510 || (SvSTASH (SvRV (sv)) != aio_grp_stash
376 && SvSTASH (SvRV (sv)) != aio_req_stash 511 && SvSTASH (SvRV (sv)) != aio_req_stash
377 && !sv_derived_from (sv, "IO::AIO::REQ"))) 512 && !sv_derived_from (sv, "IO::AIO::REQ")))
378 croak ("object of class IO::AIO::REQ expected"); 513 croak ("object of class IO::AIO::REQ expected");
379 514
380 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 515 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381 516
382 return mg ? (aio_req)mg->mg_ptr : 0; 517 return mg ? (aio_req)mg->mg_ptr : 0;
383} 518}
384 519
385static aio_wd SvAIO_WD (SV *sv) 520static aio_wd
521SvAIO_WD (SV *sv)
386{ 522{
387 if (!SvROK (sv) 523 if (!SvROK (sv)
524 || SvTYPE (SvRV (sv)) != SVt_PVMG
388 || SvSTASH (SvRV (sv)) != aio_wd_stash 525 || SvSTASH (SvRV (sv)) != aio_wd_stash)
389 || SvTYPE (SvRV (sv)) != SVt_PVMG)
390 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 526 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391 527
392 return (aio_wd)(long)SvIVX (SvRV (sv)); 528 return (aio_wd)(long)SvIVX (SvRV (sv));
393} 529}
394 530
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
395static void aio_grp_feed (aio_req grp) 557aio_grp_feed (aio_req grp)
396{ 558{
397 if (grp->sv2 && SvOK (grp->sv2)) 559 if (grp->sv2 && SvOK (grp->sv2))
398 { 560 {
399 dSP; 561 dSP;
400 562
… …
408 FREETMPS; 570 FREETMPS;
409 LEAVE; 571 LEAVE;
410 } 572 }
411} 573}
412 574
575ecb_noinline
576static void
413static void req_submit (eio_req *req) 577req_submit (eio_req *req)
414{ 578{
415 eio_submit (req); 579 eio_submit (req);
416 580
417 if (expect_false (on_next_submit)) 581 if (expect_false (on_next_submit))
418 { 582 {
… …
425 PUTBACK; 589 PUTBACK;
426 call_sv (cb, G_DISCARD | G_EVAL); 590 call_sv (cb, G_DISCARD | G_EVAL);
427 } 591 }
428} 592}
429 593
594static int
430static int req_invoke (eio_req *req) 595req_invoke (eio_req *req)
431{ 596{
432 if (req->flags & FLAG_SV2_RO_OFF) 597 if (req->flags & FLAG_SV2_RO_OFF)
433 SvREADONLY_off (req->sv2); 598 SvREADONLY_off (req->sv2);
434 599
435 if (!EIO_CANCELLED (req) && req->callback) 600 if (!EIO_CANCELLED (req) && req->callback)
… …
457 } 622 }
458 623
459 switch (req->type) 624 switch (req->type)
460 { 625 {
461 case EIO_WD_OPEN: 626 case EIO_WD_OPEN:
462 PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash))); 627 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463 break; 628 break;
464 629
465 case EIO_READDIR: 630 case EIO_READDIR:
466 { 631 {
467 SV *rv = &PL_sv_undef; 632 SV *rv = &PL_sv_undef;
… …
522 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))));
523 } 688 }
524 break; 689 break;
525 690
526 case EIO_OPEN: 691 case EIO_OPEN:
527 { 692 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
528 /* convert fd to fh */
529 SV *fh = &PL_sv_undef;
530
531 if (req->result >= 0)
532 {
533 GV *gv = (GV *)sv_newmortal ();
534 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
535 char sym [64];
536 int symlen;
537
538 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
539 gv_init (gv, aio_stash, sym, symlen, 0);
540
541 symlen = snprintf (
542 sym,
543 sizeof (sym),
544 "%s&=%d",
545 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
546 (int)req->result
547 );
548
549 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
550 fh = (SV *)gv;
551 }
552
553 PUSHs (fh);
554 }
555 break; 693 break;
556 694
557 case EIO_STATVFS: 695 case EIO_STATVFS:
558 case EIO_FSTATVFS: 696 case EIO_FSTATVFS:
559 { 697 {
… …
562#ifndef _WIN32 700#ifndef _WIN32
563 if (req->result >= 0) 701 if (req->result >= 0)
564 { 702 {
565 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 703 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
566 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));
567 710
568 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 711 rv = sv_2mortal (newRV_noinc ((SV *)hv));
569 712
570 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);
571 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);
… …
573 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);
574 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);
575 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);
576 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);
577 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);
578 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 721 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
579 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);
580 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);
581 } 724 }
582#endif 725#endif
583 726
… …
611 break; 754 break;
612 755
613 case EIO_STAT: 756 case EIO_STAT:
614 case EIO_LSTAT: 757 case EIO_LSTAT:
615 case EIO_FSTAT: 758 case EIO_FSTAT:
616 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 759 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
760
617 PL_laststatval = req->result; 761 if (!(PL_laststatval = req->result))
618 /* 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 */
619 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 763 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
764
620 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)));
621 break; 770 break;
622 771
623 case EIO_READ: 772 case EIO_READ:
624 { 773 {
625 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));
… …
628 SvSETMAGIC (req->sv2); 777 SvSETMAGIC (req->sv2);
629 PUSHs (sv_result); 778 PUSHs (sv_result);
630 } 779 }
631 break; 780 break;
632 781
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
633 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 */
634 if (req->result > 0) 853 if (req->result > 0)
635 SvIV_set (sv_result, 0); 854 SvIV_set (sv_result, 0);
636 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
637 856
… …
658 } 877 }
659 878
660 return !!SvTRUE (ERRSV); 879 return !!SvTRUE (ERRSV);
661} 880}
662 881
882static void
663static void req_destroy (aio_req req) 883req_destroy (aio_req req)
664{ 884{
665 if (req->self) 885 if (req->self)
666 { 886 {
667 sv_unmagic (req->self, PERL_MAGIC_ext); 887 sv_unmagic (req->self, PERL_MAGIC_ext);
668 SvREFCNT_dec (req->self); 888 SvREFCNT_dec (req->self);
… …
672 SvREFCNT_dec (req->sv2); 892 SvREFCNT_dec (req->sv2);
673 SvREFCNT_dec (req->sv3); 893 SvREFCNT_dec (req->sv3);
674 SvREFCNT_dec (req->sv4); 894 SvREFCNT_dec (req->sv4);
675 SvREFCNT_dec (req->callback); 895 SvREFCNT_dec (req->callback);
676 896
677 Safefree (req); 897 free (req);
678} 898}
679 899
900static void
680static void req_cancel_subs (aio_req grp) 901req_cancel_subs (aio_req grp)
681{ 902{
682 if (grp->type != EIO_GROUP) 903 if (grp->type != EIO_GROUP)
683 return; 904 return;
684 905
685 SvREFCNT_dec (grp->sv2); 906 SvREFCNT_dec (grp->sv2);
686 grp->sv2 = 0; 907 grp->sv2 = 0;
687 908
688 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
689} 910}
690 911
912ecb_cold
913static void
691static void create_respipe (void) 914create_respipe (void)
692{ 915{
693 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
694 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
695} 918}
696 919
697static void poll_wait (void) 920static void
921poll_wait (void)
698{ 922{
699 while (eio_nreqs ()) 923 while (eio_nreqs ())
700 { 924 {
701 int size; 925 int size;
702 926
703 X_LOCK (reslock); 927 X_LOCK (EIO_POOL->reslock);
704 size = res_queue.size; 928 size = EIO_POOL->res_queue.size;
705 X_UNLOCK (reslock); 929 X_UNLOCK (EIO_POOL->reslock);
706 930
707 if (size) 931 if (size)
708 return; 932 return;
709 933
710 etp_maybe_start_thread (); 934 etp_maybe_start_thread (EIO_POOL);
711 935
712 s_epipe_wait (&respipe); 936 s_epipe_wait (&respipe);
713 } 937 }
714} 938}
715 939
716static int poll_cb (void) 940static int
941poll_cb (void)
717{ 942{
718 for (;;) 943 for (;;)
719 { 944 {
720 int res = eio_poll (); 945 int res = eio_poll ();
721 946
… …
727 952
728 poll_wait (); 953 poll_wait ();
729 } 954 }
730} 955}
731 956
732static void ecb_cold 957ecb_cold
958static void
733reinit (void) 959reinit (void)
734{ 960{
735 create_respipe (); 961 create_respipe ();
736 962
737 if (eio_init (want_poll, done_poll) < 0) 963 if (eio_init (want_poll, done_poll) < 0)
738 croak ("IO::AIO: unable to initialise eio library"); 964 croak ("IO::AIO: unable to initialise eio library");
739} 965}
740 966
741/*****************************************************************************/ 967/*****************************************************************************/
742 968
743#if !_POSIX_MAPPED_FILES 969static SV *
744# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
745# define munmap(addr,length) (errno = ENOSYS, -1)
746#endif
747
748#if !_POSIX_MEMORY_PROTECTION
749# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
750# define PROT_NONE 0
751# define PROT_WRITE 0
752# define MAP_PRIVATE 0
753# define MAP_SHARED 0
754# define MAP_FIXED 0
755#endif
756
757#define MMAP_MAGIC PERL_MAGIC_ext
758
759static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
760{
761 int old_errno = errno;
762 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763 errno = old_errno;
764
765 mg->mg_obj = 0; /* just in case */
766
767 SvREADONLY_off (sv);
768
769 if (SvPVX (sv) != mg->mg_ptr)
770 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
771
772 SvCUR_set (sv, 0);
773 SvPVX (sv) = 0;
774 SvOK_off (sv);
775
776 return 0;
777}
778
779static MGVTBL mmap_vtbl = {
780 0, 0, 0, 0, mmap_free
781};
782
783/*****************************************************************************/
784
785static SV * get_cb (SV *cb_sv) 970get_cb (SV *cb_sv)
786{ 971{
787 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
788 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789} 974}
790 975
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
791#define dREQ \ 997#define dREQ \
792 SV *cb_cv; \ 998 aio_req req = dreq (callback); \
793 aio_req req; \
794 int req_pri = next_pri; \
795 next_pri = EIO_PRI_DEFAULT; \
796 \
797 cb_cv = get_cb (callback); \
798 \
799 Newz (0, req, 1, eio_req); \
800 if (!req) \
801 croak ("out of memory during eio_req allocation"); \
802 \
803 req->callback = SvREFCNT_inc (cb_cv); \
804 req->pri = req_pri
805 999
806#define REQ_SEND \ 1000#define REQ_SEND \
807 PUTBACK; \ 1001 PUTBACK; \
808 req_submit (req); \ 1002 req_submit (req); \
809 SPAGAIN; \ 1003 SPAGAIN; \
810 \ 1004 \
811 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
812 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
813 1007
814static void 1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1009ecb_inline
1010void
815req_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)
816{ 1012{
817 if (SvROK (path)) 1013 if (expect_false (SvROK (path)))
818 { 1014 {
819 AV *av = (AV *)SvRV (path); 1015 SV *rv = SvRV (path);
820 SV *wdob; 1016 SV *wdob;
821 1017
822 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1018 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); 1019 {
824
825 path = AvARRAY (av)[1]; 1020 path = AvARRAY (rv)[1];
826 wdob = AvARRAY (av)[0]; 1021 wdob = AvARRAY (rv)[0];
827 1022
1023 if (SvOK (wdob))
1024 {
828 *wd = SvAIO_WD (wdob); 1025 *wd = SvAIO_WD (wdob);
829 *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 "." */
1037 }
1038 else
1039 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830 } 1040 }
831 1041
832 *pathsv = newSVsv (path); 1042 *pathsv = newSVsv (path);
833 *ptr = SvPVbyte_nolen (*pathsv); 1043 *ptr = SvPVbyte_nolen (*pathsv);
834} 1044}
835 1045
1046ecb_noinline
836static void 1047static void
837req_set_path1 (aio_req req, SV *path) 1048req_set_path1 (aio_req req, SV *path)
838{ 1049{
839 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);
840} 1051}
841 1052
1053ecb_noinline
842static void 1054static void
843req_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)
844{ 1056{
845 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;
846 1058
… …
857 default: 1069 default:
858 req->type = type_path; 1070 req->type = type_path;
859 req_set_path1 (req, fh_or_path); 1071 req_set_path1 (req, fh_or_path);
860 break; 1072 break;
861 } 1073 }
862
863} 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;
864 1094
865MODULE = IO::AIO PACKAGE = IO::AIO 1095MODULE = IO::AIO PACKAGE = IO::AIO
866 1096
867PROTOTYPES: ENABLE 1097PROTOTYPES: ENABLE
868 1098
… …
873 IV iv; 1103 IV iv;
874 } *civ, const_iv[] = { 1104 } *civ, const_iv[] = {
875# define const_niv(name, value) { # name, (IV) value }, 1105# define const_niv(name, value) { # name, (IV) value },
876# define const_iv(name) { # name, (IV) name }, 1106# define const_iv(name) { # name, (IV) name },
877# 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)
878 const_iv (EXDEV) 1112 const_iv (EXDEV)
879 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
880 const_iv (O_RDONLY) 1135 const_iv (O_RDONLY)
881 const_iv (O_WRONLY) 1136 const_iv (O_WRONLY)
882 const_iv (O_RDWR) 1137 const_iv (O_RDWR)
883 const_iv (O_CREAT) 1138 const_iv (O_CREAT)
884 const_iv (O_TRUNC) 1139 const_iv (O_TRUNC)
… …
897 const_iv (O_SEARCH) 1152 const_iv (O_SEARCH)
898 const_iv (O_DIRECTORY) 1153 const_iv (O_DIRECTORY)
899 const_iv (O_DSYNC) 1154 const_iv (O_DSYNC)
900 const_iv (O_RSYNC) 1155 const_iv (O_RSYNC)
901 const_iv (O_SYNC) 1156 const_iv (O_SYNC)
1157 const_iv (O_PATH)
1158 const_iv (O_TMPFILE)
902 const_iv (O_TTY_INIT) 1159 const_iv (O_TTY_INIT)
903 1160
904 const_iv (S_IFIFO) 1161 const_iv (S_IFIFO)
905 const_iv (S_IFCHR) 1162 const_iv (S_IFCHR)
906 const_iv (S_IFBLK) 1163 const_iv (S_IFBLK)
… …
908 const_iv (S_IFREG) 1165 const_iv (S_IFREG)
909 const_iv (S_IFDIR) 1166 const_iv (S_IFDIR)
910 const_iv (S_IFWHT) 1167 const_iv (S_IFWHT)
911 const_iv (S_IFSOCK) 1168 const_iv (S_IFSOCK)
912 const_iv (S_IFMT) 1169 const_iv (S_IFMT)
913
914 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
915 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
916 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
917 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
918 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
919 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
920
921 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
922 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
923 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
924 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
925 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
926 1170
927 const_iv (ST_RDONLY) 1171 const_iv (ST_RDONLY)
928 const_iv (ST_NOSUID) 1172 const_iv (ST_NOSUID)
929 const_iv (ST_NODEV) 1173 const_iv (ST_NODEV)
930 const_iv (ST_NOEXEC) 1174 const_iv (ST_NOEXEC)
… …
940 const_iv (PROT_NONE) 1184 const_iv (PROT_NONE)
941 const_iv (PROT_EXEC) 1185 const_iv (PROT_EXEC)
942 const_iv (PROT_READ) 1186 const_iv (PROT_READ)
943 const_iv (PROT_WRITE) 1187 const_iv (PROT_WRITE)
944 1188
945 /*const_iv (MAP_FIXED)*/
946 const_iv (MAP_PRIVATE) 1189 const_iv (MAP_PRIVATE)
947 const_iv (MAP_SHARED) 1190 const_iv (MAP_SHARED)
1191 const_iv (MAP_FIXED)
948 const_iv (MAP_ANONYMOUS) 1192 const_iv (MAP_ANONYMOUS)
949 1193
950 /* linuxish */ 1194 /* linuxish */
951 const_iv (MAP_HUGETLB)
952 const_iv (MAP_LOCKED) 1195 const_iv (MAP_LOCKED)
953 const_iv (MAP_NORESERVE) 1196 const_iv (MAP_NORESERVE)
954 const_iv (MAP_POPULATE) 1197 const_iv (MAP_POPULATE)
955 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 /* these are libeio constants, and are independent of gendef0 */
1377 const_eio (SEEK_SET)
1378 const_eio (SEEK_CUR)
1379 const_eio (SEEK_END)
956 1380
957 const_eio (MCL_FUTURE) 1381 const_eio (MCL_FUTURE)
958 const_eio (MCL_CURRENT) 1382 const_eio (MCL_CURRENT)
1383 const_eio (MCL_ONFAULT)
959 1384
960 const_eio (MS_ASYNC) 1385 const_eio (MS_ASYNC)
961 const_eio (MS_INVALIDATE) 1386 const_eio (MS_INVALIDATE)
962 const_eio (MS_SYNC) 1387 const_eio (MS_SYNC)
963 1388
… …
966 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1391 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967 const_eio (SYNC_FILE_RANGE_WRITE) 1392 const_eio (SYNC_FILE_RANGE_WRITE)
968 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1393 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969 1394
970 const_eio (FALLOC_FL_KEEP_SIZE) 1395 const_eio (FALLOC_FL_KEEP_SIZE)
1396 const_eio (FALLOC_FL_PUNCH_HOLE)
1397 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1398 const_eio (FALLOC_FL_ZERO_RANGE)
1399 const_eio (FALLOC_FL_INSERT_RANGE)
1400 const_eio (FALLOC_FL_UNSHARE_RANGE)
1401
1402 const_eio (RENAME_NOREPLACE)
1403 const_eio (RENAME_EXCHANGE)
1404 const_eio (RENAME_WHITEOUT)
971 1405
972 const_eio (READDIR_DENTS) 1406 const_eio (READDIR_DENTS)
973 const_eio (READDIR_DIRS_FIRST) 1407 const_eio (READDIR_DIRS_FIRST)
974 const_eio (READDIR_STAT_ORDER) 1408 const_eio (READDIR_STAT_ORDER)
975 const_eio (READDIR_FOUND_UNKNOWN) 1409 const_eio (READDIR_FOUND_UNKNOWN)
… …
993 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1427 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
994 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1428 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
995 1429
996 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1430 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
997 1431
1432 /* allocate dummy pipe fd for aio_close */
1433 {
1434 int pipefd [2];
1435
1436 if (
1437#ifdef _WIN32
1438 _pipe (pipefd, 1, _O_BINARY) < 0
1439#else
1440 pipe (pipefd) < 0
1441 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1442#endif
1443 || close (pipefd [1]) < 0
1444 )
1445 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1446
1447 close_fd = pipefd [0];
1448 }
1449
998 reinit (); 1450 reinit ();
999} 1451}
1000 1452
1001void 1453void
1002reinit () 1454reinit ()
… …
1043 PROTOTYPE: $ 1495 PROTOTYPE: $
1044 CODE: 1496 CODE:
1045 max_outstanding = maxreqs; 1497 max_outstanding = maxreqs;
1046 1498
1047void 1499void
1048aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1500aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1049 PPCODE: 1501 PPCODE:
1050{ 1502{
1051 dREQ; 1503 dREQ;
1052 1504
1053 req->type = EIO_WD_OPEN; 1505 req->type = EIO_WD_OPEN;
… …
1055 1507
1056 REQ_SEND; 1508 REQ_SEND;
1057} 1509}
1058 1510
1059void 1511void
1060aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1512aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1061 PPCODE: 1513 PPCODE:
1062{ 1514{
1063 dREQ; 1515 dREQ;
1064 1516
1065 req->type = EIO_OPEN; 1517 req->type = EIO_OPEN;
… …
1069 1521
1070 REQ_SEND; 1522 REQ_SEND;
1071} 1523}
1072 1524
1073void 1525void
1074aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1526aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1075 ALIAS: 1527 ALIAS:
1076 aio_fsync = EIO_FSYNC 1528 aio_fsync = EIO_FSYNC
1077 aio_fdatasync = EIO_FDATASYNC 1529 aio_fdatasync = EIO_FDATASYNC
1078 aio_syncfs = EIO_SYNCFS 1530 aio_syncfs = EIO_SYNCFS
1079 PPCODE: 1531 PPCODE:
1080{ 1532{
1081 int fd = s_fileno_croak (fh, 0); 1533 int fd = s_fileno_croak (fh, 0);
1082 dREQ; 1534 dREQ;
1083 1535
1084 req->type = ix; 1536 req->type = ix;
1085 req->sv1 = newSVsv (fh); 1537 req->sv1 = newSVsv (fh);
1086 req->int1 = fd; 1538 req->int1 = fd;
1087 1539
1088 REQ_SEND (req); 1540 REQ_SEND;
1089} 1541}
1090 1542
1091void 1543void
1092aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1544aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1093 PPCODE: 1545 PPCODE:
1094{ 1546{
1095 int fd = s_fileno_croak (fh, 0); 1547 int fd = s_fileno_croak (fh, 0);
1096 dREQ; 1548 dREQ;
1097 1549
1098 req->type = EIO_SYNC_FILE_RANGE; 1550 req->type = EIO_SYNC_FILE_RANGE;
1099 req->sv1 = newSVsv (fh); 1551 req->sv1 = newSVsv (fh);
1100 req->int1 = fd; 1552 req->int1 = fd;
1101 req->offs = offset; 1553 req->offs = offset;
1102 req->size = nbytes; 1554 req->size = nbytes;
1103 req->int2 = flags; 1555 req->int2 = flags;
1104 1556
1105 REQ_SEND (req); 1557 REQ_SEND;
1106} 1558}
1107 1559
1108void 1560void
1109aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1561aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1110 PPCODE: 1562 PPCODE:
1111{ 1563{
1112 int fd = s_fileno_croak (fh, 0); 1564 int fd = s_fileno_croak (fh, 0);
1113 dREQ; 1565 dREQ;
1114 1566
1115 req->type = EIO_FALLOCATE; 1567 req->type = EIO_FALLOCATE;
1116 req->sv1 = newSVsv (fh); 1568 req->sv1 = newSVsv (fh);
1117 req->int1 = fd; 1569 req->int1 = fd;
1118 req->int2 = mode; 1570 req->int2 = mode;
1119 req->offs = offset; 1571 req->offs = offset;
1120 req->size = len; 1572 req->size = len;
1121 1573
1122 REQ_SEND (req); 1574 REQ_SEND;
1123} 1575}
1124 1576
1125void 1577void
1126aio_close (SV *fh, SV *callback=&PL_sv_undef) 1578aio_close (SV *fh, SV *callback = &PL_sv_undef)
1127 PPCODE: 1579 PPCODE:
1128{ 1580{
1129 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1130 int fd = s_fileno_croak (fh, 0); 1581 int fd = s_fileno_croak (fh, 0);
1131 dREQ; 1582 dREQ;
1583#if 0
1584 /* partially duplicate logic in s_fileno */
1585 SvGETMAGIC (fh);
1132 1586
1133 if (expect_false (close_fd < 0)) 1587 if (SvROK (fh))
1588 {
1589 fh = SvRV (fh);
1590 SvGETMAGIC (fh);
1591 }
1592
1593 if (SvTYPE (fh) == SVt_PVGV)
1134 { 1594 {
1135 int pipefd [2]; 1595 /* perl filehandle */
1596 PerlIOUnix_refcnt_inc (fd);
1597 do_close ((GV *)fh, 1);
1136 1598
1137 if ( 1599 req->type = EIO_CLOSE;
1138#ifdef _WIN32 1600 req->int1 = fd;
1139 _pipe (pipefd, 1, _O_BINARY) < 0 1601 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1140#else
1141 pipe (pipefd) < 0
1142 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1143#endif
1144 || close (pipefd [1]) < 0
1145 )
1146 abort (); /*D*/
1147
1148 close_fd = pipefd [0];
1149 } 1602 }
1150 1603 else
1604#endif
1605 {
1606 /* fd number */
1151 req->type = EIO_DUP2; 1607 req->type = EIO_DUP2;
1152 req->int1 = close_fd; 1608 req->int1 = close_fd;
1609 req->sv2 = newSVsv (fh);
1610 req->int2 = fd;
1611 }
1612
1613 REQ_SEND;
1614}
1615
1616void
1617aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1618 PPCODE:
1619{
1620 int fd = s_fileno_croak (fh, 0);
1621 dREQ;
1622
1623 req->type = EIO_SEEK;
1153 req->sv2 = newSVsv (fh); 1624 req->sv1 = newSVsv (fh);
1154 req->int2 = fd; 1625 req->int1 = fd;
1626 req->offs = SvVAL64 (offset);
1627 req->int2 = whence;
1155 1628
1156 REQ_SEND (req); 1629 REQ_SEND;
1157} 1630}
1158 1631
1159void 1632void
1160aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1633aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1161 ALIAS: 1634 ALIAS:
1162 aio_read = EIO_READ 1635 aio_read = EIO_READ
1163 aio_write = EIO_WRITE 1636 aio_write = EIO_WRITE
1164 PPCODE: 1637 PPCODE:
1165{ 1638{
… …
1181 len = svlen - dataoffset; 1654 len = svlen - dataoffset;
1182 } 1655 }
1183 else 1656 else
1184 { 1657 {
1185 /* read: check type and grow scalar as necessary */ 1658 /* read: check type and grow scalar as necessary */
1186 SvUPGRADE (data, SVt_PV); 1659 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1187 svptr = SvGROW (data, len + dataoffset + 1); 1660 svptr = sv_grow (data, len + dataoffset + 1);
1661 else if (SvCUR (data) < len + dataoffset)
1662 croak ("length + dataoffset outside of scalar, and cannot grow");
1188 } 1663 }
1189 1664
1190 { 1665 {
1191 dREQ; 1666 dREQ;
1192 1667
… …
1208 REQ_SEND; 1683 REQ_SEND;
1209 } 1684 }
1210} 1685}
1211 1686
1212void 1687void
1688aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1689 ALIAS:
1690 aio_ioctl = EIO_IOCTL
1691 aio_fcntl = EIO_FCNTL
1692 PPCODE:
1693{
1694 int fd = s_fileno_croak (fh, 0);
1695 char *svptr;
1696
1697 if (SvPOK (arg) || !SvNIOK (arg))
1698 {
1699 STRLEN svlen;
1700 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1701#ifdef IOCPARM_LEN
1702 STRLEN need = IOCPARM_LEN (request);
1703#else
1704 STRLEN need = 256;
1705#endif
1706
1707 if (svlen < need)
1708 svptr = SvGROW (arg, need);
1709 }
1710 else
1711 svptr = (char *)SvIV (arg);
1712
1713 {
1714 dREQ;
1715
1716 req->type = ix;
1717 req->sv1 = newSVsv (fh);
1718 req->int1 = fd;
1719 req->int2 = (long)request;
1720 req->sv2 = SvREFCNT_inc (arg);
1721 req->ptr2 = svptr;
1722
1723 REQ_SEND;
1724 }
1725}
1726
1727void
1213aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1728aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1214 ALIAS: 1729 ALIAS:
1215 aio_readlink = EIO_READLINK 1730 aio_readlink = EIO_READLINK
1216 aio_realpath = EIO_REALPATH 1731 aio_realpath = EIO_REALPATH
1217 PPCODE: 1732 PPCODE:
1218{ 1733{
… …
1223 1738
1224 REQ_SEND; 1739 REQ_SEND;
1225} 1740}
1226 1741
1227void 1742void
1228aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1743aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1229 PPCODE: 1744 PPCODE:
1230{ 1745{
1231 int ifd = s_fileno_croak (in_fh , 0); 1746 int ifd = s_fileno_croak (in_fh , 0);
1232 int ofd = s_fileno_croak (out_fh, 1); 1747 int ofd = s_fileno_croak (out_fh, 1);
1233 dREQ; 1748 dREQ;
1234 1749
1235 req->type = EIO_SENDFILE; 1750 req->type = EIO_SENDFILE;
1236 req->sv1 = newSVsv (out_fh); 1751 req->sv1 = newSVsv (out_fh);
1237 req->int1 = ofd; 1752 req->int1 = ofd;
… …
1242 1757
1243 REQ_SEND; 1758 REQ_SEND;
1244} 1759}
1245 1760
1246void 1761void
1247aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1762aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1248 PPCODE: 1763 PPCODE:
1249{ 1764{
1250 int fd = s_fileno_croak (fh, 0); 1765 int fd = s_fileno_croak (fh, 0);
1251 dREQ; 1766 dREQ;
1252 1767
1253 req->type = EIO_READAHEAD; 1768 req->type = EIO_READAHEAD;
1254 req->sv1 = newSVsv (fh); 1769 req->sv1 = newSVsv (fh);
1255 req->int1 = fd; 1770 req->int1 = fd;
… …
1258 1773
1259 REQ_SEND; 1774 REQ_SEND;
1260} 1775}
1261 1776
1262void 1777void
1263aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1778aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1264 ALIAS: 1779 ALIAS:
1265 aio_stat = EIO_STAT 1780 aio_stat = EIO_STAT
1266 aio_lstat = EIO_LSTAT 1781 aio_lstat = EIO_LSTAT
1267 aio_statvfs = EIO_STATVFS 1782 aio_statvfs = EIO_STATVFS
1268 PPCODE: 1783 PPCODE:
1269{ 1784{
1270 dREQ; 1785 dREQ;
1271 1786
1272 req->sv1 = newSVsv (fh_or_path);
1273 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1787 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1788
1274 REQ_SEND; 1789 REQ_SEND;
1275} 1790}
1791
1792void
1793st_xtime ()
1794 ALIAS:
1795 st_atime = 0x01
1796 st_mtime = 0x02
1797 st_ctime = 0x04
1798 st_btime = 0x08
1799 st_xtime = 0x0f
1800 PPCODE:
1801 EXTEND (SP, 4);
1802 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1803 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1804 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1805 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1806
1807void
1808st_xtimensec ()
1809 ALIAS:
1810 st_atimensec = 0x01
1811 st_mtimensec = 0x02
1812 st_ctimensec = 0x04
1813 st_btimensec = 0x08
1814 st_xtimensec = 0x0f
1815 st_btimesec = 0x10
1816 st_gen = 0x20
1817 PPCODE:
1818 EXTEND (SP, 4);
1819 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1820 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1821 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1822 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1823 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1824 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1276 1825
1277UV 1826UV
1278major (UV dev) 1827major (UV dev)
1279 ALIAS: 1828 ALIAS:
1280 minor = 1 1829 minor = 1
1281 CODE: 1830 CODE:
1282 RETVAL = ix ? major (dev) : minor (dev); 1831 RETVAL = ix ? minor (dev) : major (dev);
1283 OUTPUT: 1832 OUTPUT:
1284 RETVAL 1833 RETVAL
1285 1834
1286UV 1835UV
1287makedev (UV maj, UV min) 1836makedev (UV maj, UV min)
… …
1289 RETVAL = makedev (maj, min); 1838 RETVAL = makedev (maj, min);
1290 OUTPUT: 1839 OUTPUT:
1291 RETVAL 1840 RETVAL
1292 1841
1293void 1842void
1294aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1843aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1295 PPCODE: 1844 PPCODE:
1296{ 1845{
1297 dREQ; 1846 dREQ;
1298 1847
1299 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1848 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1302 1851
1303 REQ_SEND; 1852 REQ_SEND;
1304} 1853}
1305 1854
1306void 1855void
1307aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1856aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1308 PPCODE: 1857 PPCODE:
1309{ 1858{
1310 dREQ; 1859 dREQ;
1311 1860
1312 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1861 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1314 1863
1315 REQ_SEND; 1864 REQ_SEND;
1316} 1865}
1317 1866
1318void 1867void
1319aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1868aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1320 ALIAS:
1321 aio_chmod = EIO_CHMOD
1322 aio_mkdir = EIO_MKDIR
1323 PPCODE: 1869 PPCODE:
1324{ 1870{
1325 dREQ; 1871 dREQ;
1326 1872
1327 req->int2 = mode; 1873 req->int2 = mode;
… …
1329 1875
1330 REQ_SEND; 1876 REQ_SEND;
1331} 1877}
1332 1878
1333void 1879void
1334aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1880aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1335 PPCODE: 1881 PPCODE:
1336{ 1882{
1337 dREQ; 1883 dREQ;
1338 1884
1339 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1885 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1342 1888
1343 REQ_SEND; 1889 REQ_SEND;
1344} 1890}
1345 1891
1346void 1892void
1347aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1893aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1348 PPCODE: 1894 PPCODE:
1349{ 1895{
1350 dREQ; 1896 dREQ;
1351 1897
1352 req->type = EIO_READDIR; 1898 req->type = EIO_READDIR;
1353 req->sv1 = newSVsv (pathname);
1354 req->ptr1 = SvPVbyte_nolen (req->sv1);
1355 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1899 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1356 1900
1357 if (flags & EIO_READDIR_DENTS) 1901 if (flags & EIO_READDIR_DENTS)
1358 req->int1 |= EIO_READDIR_CUSTOM2; 1902 req->int1 |= EIO_READDIR_CUSTOM2;
1359 1903
1904 req_set_path1 (req, pathname);
1905
1360 REQ_SEND; 1906 REQ_SEND;
1361} 1907}
1362 1908
1363void 1909void
1910aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1911 PPCODE:
1912{
1913 dREQ;
1914
1915 req->type = EIO_MKDIR;
1916 req->int2 = mode;
1917 req_set_path1 (req, pathname);
1918
1919 REQ_SEND;
1920}
1921
1922void
1364aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1923aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1365 ALIAS: 1924 ALIAS:
1366 aio_unlink = EIO_UNLINK 1925 aio_unlink = EIO_UNLINK
1367 aio_rmdir = EIO_RMDIR 1926 aio_rmdir = EIO_RMDIR
1368 aio_readdir = EIO_READDIR 1927 aio_readdir = EIO_READDIR
1369 PPCODE: 1928 PPCODE:
… …
1375 1934
1376 REQ_SEND; 1935 REQ_SEND;
1377} 1936}
1378 1937
1379void 1938void
1380aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1939aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1381 ALIAS: 1940 ALIAS:
1382 aio_link = EIO_LINK 1941 aio_link = EIO_LINK
1383 aio_symlink = EIO_SYMLINK 1942 aio_symlink = EIO_SYMLINK
1384 aio_rename = EIO_RENAME 1943 aio_rename = EIO_RENAME
1385 PPCODE: 1944 PPCODE:
1386{ 1945{
1946 eio_wd wd2 = 0;
1387 dREQ; 1947 dREQ;
1388 eio_wd wd2;
1389 1948
1390 req->type = ix; 1949 req->type = ix;
1391 req_set_path1 (req, oldpath); 1950 req_set_path1 (req, oldpath);
1392 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1951 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393 req->int3 = (long)wd2; 1952 req->int3 = (long)wd2;
1394 1953
1395 REQ_SEND; 1954 REQ_SEND;
1396} 1955}
1397 1956
1398void 1957void
1958aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1959 PPCODE:
1960{
1961 eio_wd wd2 = 0;
1962 dREQ;
1963
1964 req->type = EIO_RENAME;
1965 req_set_path1 (req, oldpath);
1966 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1967 req->int2 = flags;
1968 req->int3 = (long)wd2;
1969
1970 REQ_SEND;
1971}
1972
1973void
1399aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1974aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1400 PPCODE: 1975 PPCODE:
1401{ 1976{
1402 dREQ; 1977 dREQ;
1403 1978
1404 req->type = EIO_MKNOD; 1979 req->type = EIO_MKNOD;
… …
1408 1983
1409 REQ_SEND; 1984 REQ_SEND;
1410} 1985}
1411 1986
1412void 1987void
1413aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1988aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1414 ALIAS: 1989 ALIAS:
1415 aio_mtouch = EIO_MTOUCH 1990 aio_mtouch = EIO_MTOUCH
1416 aio_msync = EIO_MSYNC 1991 aio_msync = EIO_MSYNC
1417 PPCODE: 1992 PPCODE:
1418{ 1993{
1419 STRLEN svlen; 1994 STRLEN svlen;
1420 char *svptr = SvPVbyte (data, svlen); 1995 char *svptr = SvPVbyte (data, svlen);
1421 UV len = SvUV (length); 1996 UV len = SvUV (length);
1997
1998 if (flags < 0)
1999 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1422 2000
1423 if (offset < 0) 2001 if (offset < 0)
1424 offset += svlen; 2002 offset += svlen;
1425 2003
1426 if (offset < 0 || offset > svlen) 2004 if (offset < 0 || offset > svlen)
… …
1441 REQ_SEND; 2019 REQ_SEND;
1442 } 2020 }
1443} 2021}
1444 2022
1445void 2023void
1446aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2024aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1447 PPCODE: 2025 PPCODE:
1448{ 2026{
1449 STRLEN svlen; 2027 STRLEN svlen;
1450 char *svptr = SvPVbyte (data, svlen); 2028 char *svptr = SvPVbyte (data, svlen);
1451 UV len = SvUV (length); 2029 UV len = SvUV (length);
… …
1470 REQ_SEND; 2048 REQ_SEND;
1471 } 2049 }
1472} 2050}
1473 2051
1474void 2052void
1475aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2053aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1476 PPCODE: 2054 PPCODE:
1477{ 2055{
1478 dREQ; 2056 dREQ;
1479 2057
1480 req->type = EIO_MLOCKALL; 2058 req->type = EIO_MLOCKALL;
… …
1482 2060
1483 REQ_SEND; 2061 REQ_SEND;
1484} 2062}
1485 2063
1486void 2064void
2065aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2066 PPCODE:
2067{
2068 int fd = s_fileno_croak (fh, 0);
2069 dREQ;
2070
2071 req->type = EIO_CUSTOM;
2072 req->sv1 = newSVsv (fh);
2073 req->int1 = fd;
2074
2075 req->feed = fiemap;
2076#if HAVE_FIEMAP
2077 /* keep our fingers crossed that the next two types are 64 bit */
2078 req->offs = start;
2079 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2080 req->int2 = flags;
2081 req->int3 = SvOK (count) ? SvIV (count) : -1;
2082#endif
2083
2084 REQ_SEND;
2085}
2086
2087void
2088aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2089 PPCODE:
2090{
2091 char *svptr = 0;
2092
2093 sv_clear_foreign (data);
2094
2095 if (length) /* known length, directly read into scalar */
2096 {
2097 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2098 svptr = sv_grow (data, length + 1);
2099 else if (SvCUR (data) < length)
2100 croak ("length outside of scalar, and cannot grow");
2101 else
2102 svptr = SvPVbyte_nolen (data);
2103 }
2104
2105 {
2106 dREQ;
2107
2108 req->type = EIO_SLURP;
2109 req_set_path1 (req, pathname);
2110 req->offs = offset;
2111 req->size = length;
2112 req->sv2 = SvREFCNT_inc (data);
2113 req->ptr2 = svptr;
2114
2115 if (!SvREADONLY (data))
2116 {
2117 SvREADONLY_on (data);
2118 req->flags |= FLAG_SV2_RO_OFF;
2119 }
2120
2121 REQ_SEND;
2122 }
2123}
2124
2125void
1487aio_busy (double delay, SV *callback=&PL_sv_undef) 2126aio_busy (double delay, SV *callback = &PL_sv_undef)
1488 PPCODE: 2127 PPCODE:
1489{ 2128{
1490 dREQ; 2129 dREQ;
1491 2130
1492 req->type = EIO_BUSY; 2131 req->type = EIO_BUSY;
… …
1494 2133
1495 REQ_SEND; 2134 REQ_SEND;
1496} 2135}
1497 2136
1498void 2137void
1499aio_group (SV *callback=&PL_sv_undef) 2138aio_group (SV *callback = &PL_sv_undef)
1500 PPCODE: 2139 PPCODE:
1501{ 2140{
1502 dREQ; 2141 dREQ;
1503 2142
1504 req->type = EIO_GROUP; 2143 req->type = EIO_GROUP;
1505 2144
2145 PUTBACK;
1506 req_submit (req); 2146 req_submit (req);
2147 SPAGAIN;
2148
1507 XPUSHs (req_sv (req, aio_grp_stash)); 2149 XPUSHs (req_sv (req, aio_grp_stash));
1508} 2150}
1509 2151
1510void 2152void
1511aio_nop (SV *callback=&PL_sv_undef) 2153aio_nop (SV *callback = &PL_sv_undef)
1512 ALIAS: 2154 ALIAS:
1513 aio_nop = EIO_NOP 2155 aio_nop = EIO_NOP
1514 aio_sync = EIO_SYNC 2156 aio_sync = EIO_SYNC
1515 PPCODE: 2157 PPCODE:
1516{ 2158{
… …
1520 2162
1521 REQ_SEND; 2163 REQ_SEND;
1522} 2164}
1523 2165
1524int 2166int
1525aioreq_pri (int pri = 0) 2167aioreq_pri (int pri = NO_INIT)
1526 CODE: 2168 CODE:
1527 RETVAL = next_pri; 2169 RETVAL = next_pri;
1528 if (items > 0) 2170 if (items > 0)
1529 { 2171 {
1530 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2172 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1620 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2262 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621 OUTPUT: 2263 OUTPUT:
1622 RETVAL 2264 RETVAL
1623 2265
1624void 2266void
1625mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2267mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1626 PPCODE: 2268 PPCODE:
1627 sv_unmagic (scalar, MMAP_MAGIC); 2269 sv_clear_foreign (scalar);
1628{ 2270{
1629 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2271 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2272 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1631 if (addr == (void *)-1) 2273 if (addr == (void *)-1)
1632 XSRETURN_NO; 2274 XSRETURN_NO;
1633 2275
1634 sv_force_normal (scalar); 2276 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1635
1636 /* we store the length in mg_obj, as namlen is I32 :/ */
1637 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1638 ->mg_obj = (SV *)length;
1639
1640 SvUPGRADE (scalar, SVt_PV); /* nop... */
1641 2277
1642 if (!(prot & PROT_WRITE)) 2278 if (!(prot & PROT_WRITE))
1643 SvREADONLY_on (scalar); 2279 SvREADONLY_on (scalar);
1644 2280
1645 if (SvLEN (scalar))
1646 Safefree (SvPVX (scalar));
1647
1648 SvPVX (scalar) = (char *)addr;
1649 SvCUR_set (scalar, length);
1650 SvLEN_set (scalar, 0);
1651 SvPOK_only (scalar);
1652
1653 XSRETURN_YES; 2281 XSRETURN_YES;
1654} 2282}
1655 2283
1656void 2284void
1657munmap (SV *scalar) 2285munmap (SV *scalar)
1658 CODE: 2286 CODE:
1659 sv_unmagic (scalar, MMAP_MAGIC); 2287 sv_clear_foreign (scalar);
2288
2289SV *
2290mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2291 CODE:
2292{
2293 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2294 void *new;
2295
2296 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2297 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2298
2299 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2300
2301 RETVAL = &PL_sv_no;
2302
2303 if (new != (void *)-1)
2304 {
2305 RETVAL = new == (void *)mg->mg_ptr
2306 ? newSVpvn ("0 but true", 10)
2307 : &PL_sv_yes;
2308
2309 mg->mg_ptr = (char *)new;
2310 mg->mg_obj = (SV *)new_length;
2311
2312 SvPVX (scalar) = mg->mg_ptr;
2313 SvCUR_set (scalar, new_length);
2314 }
2315}
2316 OUTPUT:
2317 RETVAL
1660 2318
1661int 2319int
1662madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2320madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1663 ALIAS: 2321 ALIAS:
1664 mprotect = 1 2322 mprotect = 1
1665 CODE: 2323 CODE:
1666{ 2324{
1667 STRLEN svlen; 2325 STRLEN svlen;
1668 void *addr = SvPVbyte (scalar, svlen); 2326 void *addr = SvPVbyte (scalar, svlen);
1669 size_t len = SvUV (length); 2327 STRLEN len = SvUV (length);
1670 2328
1671 if (offset < 0) 2329 if (offset < 0)
1672 offset += svlen; 2330 offset += svlen;
1673 2331
1674 if (offset < 0 || offset > svlen) 2332 if (offset < 0 || offset > svlen)
… …
1688} 2346}
1689 OUTPUT: 2347 OUTPUT:
1690 RETVAL 2348 RETVAL
1691 2349
1692int 2350int
1693munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2351munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1694 CODE: 2352 CODE:
1695{ 2353{
1696 STRLEN svlen; 2354 STRLEN svlen;
1697 void *addr = SvPVbyte (scalar, svlen); 2355 void *addr = SvPVbyte (scalar, svlen);
1698 size_t len = SvUV (length); 2356 size_t len = SvUV (length);
1699 2357
1700 if (offset < 0) 2358 if (offset < 0)
1701 offset += svlen; 2359 offset += svlen;
1702 2360
… …
1709 addr = (void *)(((intptr_t)addr) + offset); 2367 addr = (void *)(((intptr_t)addr) + offset);
1710 eio_page_align (&addr, &len); 2368 eio_page_align (&addr, &len);
1711#if _POSIX_MEMLOCK_RANGE 2369#if _POSIX_MEMLOCK_RANGE
1712 RETVAL = munlock (addr, len); 2370 RETVAL = munlock (addr, len);
1713#else 2371#else
1714 RETVAL = ((errno = ENOSYS), -1); 2372 RETVAL = EIO_ENOSYS ();
1715#endif 2373#endif
1716} 2374}
1717 OUTPUT: 2375 OUTPUT:
2376 RETVAL
2377
2378int
2379mlockall (int flags)
2380 PROTOTYPE: $;
2381 CODE:
2382 RETVAL = eio_mlockall_sync (flags);
2383 OUTPUT:
1718 RETVAL 2384 RETVAL
1719 2385
1720int 2386int
1721munlockall () 2387munlockall ()
1722 CODE: 2388 CODE:
1723#if _POSIX_MEMLOCK 2389#if _POSIX_MEMLOCK
1724 munlockall (); 2390 munlockall ();
1725#else 2391#else
1726 RETVAL = -1; 2392 RETVAL = EIO_ENOSYS ();
1727 errno = ENOSYS;
1728#endif 2393#endif
1729 OUTPUT: 2394 OUTPUT:
1730 RETVAL 2395 RETVAL
2396
2397int
2398statx (SV8 *pathname, int flags, UV mask)
2399 CODE:
2400{
2401 /* undocumented, and might go away, and anyway, should use eio_statx */
2402 SV *wdsv = 0;
2403 SV *pathsv = 0;
2404 eio_wd wd = EIO_CWD;
2405 void *ptr;
2406 int res;
2407
2408 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2409 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2410
2411 SvREFCNT_dec (pathsv);
2412 SvREFCNT_dec (wdsv);
2413}
2414 OUTPUT:
2415 RETVAL
2416
2417U32
2418stx_mode ()
2419 PROTOTYPE:
2420 CODE:
2421#if HAVE_STATX
2422 RETVAL = stx.stx_mode;
2423#else
2424 XSRETURN_UNDEF;
2425#endif
2426 OUTPUT:
2427 RETVAL
2428
2429#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2430#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2431#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2432#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2433#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2434#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2435#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2436#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2437#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2438#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2439#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2440#define STATX_OFFSET_size statx_offsetof (stx_size)
2441#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2442#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2443#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2444#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2445#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2446#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2447
2448U32
2449stx_mask ()
2450 PROTOTYPE:
2451 ALIAS:
2452 stx_mask = STATX_OFFSET_mask
2453 stx_blksize = STATX_OFFSET_blksize
2454 stx_nlink = STATX_OFFSET_nlink
2455 stx_uid = STATX_OFFSET_uid
2456 stx_gid = STATX_OFFSET_gid
2457 stx_rdev_major = STATX_OFFSET_rdev_major
2458 stx_rdev_minor = STATX_OFFSET_rdev_minor
2459 stx_dev_major = STATX_OFFSET_dev_major
2460 stx_dev_minor = STATX_OFFSET_dev_minor
2461 CODE:
2462#if HAVE_STATX
2463 RETVAL = *(__u32 *)((char *)&stx + ix);
2464#else
2465 XSRETURN_UNDEF;
2466#endif
2467 OUTPUT:
2468 RETVAL
2469
2470VAL64
2471stx_attributes ()
2472 PROTOTYPE:
2473 ALIAS:
2474 stx_attributes = STATX_OFFSET_attributes
2475 stx_ino = STATX_OFFSET_ino
2476 stx_size = STATX_OFFSET_size
2477 stx_blocks = STATX_OFFSET_blocks
2478 stx_attributes_mask = STATX_OFFSET_attributes_mask
2479 CODE:
2480#if HAVE_STATX
2481 RETVAL = *(__u64 *)((char *)&stx + ix);
2482#else
2483 XSRETURN_UNDEF;
2484#endif
2485 OUTPUT:
2486 RETVAL
2487
2488NV
2489stx_atime ()
2490 PROTOTYPE:
2491 ALIAS:
2492 stx_atime = STATX_OFFSET_atime
2493 stx_btime = STATX_OFFSET_btime
2494 stx_ctime = STATX_OFFSET_ctime
2495 stx_mtime = STATX_OFFSET_mtime
2496 CODE:
2497#if HAVE_STATX
2498 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2499 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2500#else
2501 XSRETURN_UNDEF;
2502#endif
2503 OUTPUT:
2504 RETVAL
2505
2506VAL64
2507stx_atimesec ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_atimesec = STATX_OFFSET_atime
2511 stx_btimesec = STATX_OFFSET_btime
2512 stx_ctimesec = STATX_OFFSET_ctime
2513 stx_mtimesec = STATX_OFFSET_mtime
2514 CODE:
2515#if HAVE_STATX
2516 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2517 RETVAL = ts->tv_sec;
2518#else
2519 XSRETURN_UNDEF;
2520#endif
2521 OUTPUT:
2522 RETVAL
2523
2524U32
2525stx_atimensec ()
2526 PROTOTYPE:
2527 ALIAS:
2528 stx_atimensec = STATX_OFFSET_atime
2529 stx_btimensec = STATX_OFFSET_btime
2530 stx_ctimensec = STATX_OFFSET_ctime
2531 stx_mtimensec = STATX_OFFSET_mtime
2532 CODE:
2533#if HAVE_STATX
2534 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2535 RETVAL = ts->tv_nsec;
2536#else
2537 RETVAL = 0;
2538#endif
2539 OUTPUT:
2540 RETVAL
2541
2542void
2543accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2544 PPCODE:
2545{
2546 SV *retval;
2547#if HAVE_ACCEPT4
2548 socklen_t salen_ = salen ? salen + 1 : 0;
2549
2550 if (salen)
2551 {
2552 sv_upgrade (sockaddr, SVt_PV);
2553 sv_grow (sockaddr, salen_);
2554 }
2555
2556 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2557
2558 retval = newmortalFH (res, O_RDWR);
2559
2560 if (res >= 0 && salen > 0)
2561 {
2562 if (salen_ > salen + 1)
2563 salen_ = salen + 1;
2564
2565 SvPOK_only (sockaddr);
2566 SvCUR_set (sockaddr, salen_);
2567 }
2568#else
2569 errno = ENOSYS;
2570 retval = &PL_sv_undef;
2571#endif
2572 XPUSHs (retval);
2573}
2574
2575ssize_t
2576splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2577 CODE:
2578{
2579#if HAVE_LINUX_SPLICE
2580 loff_t off_in_, off_out_;
2581 RETVAL = splice (
2582 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2583 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2584 length, flags
2585 );
2586#else
2587 RETVAL = EIO_ENOSYS ();
2588#endif
2589}
2590 OUTPUT:
2591 RETVAL
2592
2593ssize_t
2594tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2595 CODE:
2596#if HAVE_LINUX_SPLICE
2597 RETVAL = tee (rfh, wfh, length, flags);
2598#else
2599 RETVAL = EIO_ENOSYS ();
2600#endif
2601 OUTPUT:
2602 RETVAL
2603
2604int
2605pipesize (aio_rfd rfh, int new_size = -1)
2606 PROTOTYPE: $;$
2607 CODE:
2608#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2609 if (new_size >= 0)
2610 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2611 else
2612 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2613#else
2614 errno = ENOSYS;
2615 RETVAL = -1;
2616#endif
2617 OUTPUT:
2618 RETVAL
2619
2620void
2621pipe2 (int flags = 0)
2622 PROTOTYPE: ;$
2623 PPCODE:
2624{
2625 int fd[2];
2626 int res;
2627
2628 if (flags)
2629#if HAVE_PIPE2
2630 res = pipe2 (fd, flags);
2631#else
2632 res = (errno = ENOSYS, -1);
2633#endif
2634 else
2635 res = pipe (fd);
2636
2637 if (!res)
2638 {
2639 EXTEND (SP, 2);
2640 PUSHs (newmortalFH (fd[0], O_RDONLY));
2641 PUSHs (newmortalFH (fd[1], O_WRONLY));
2642 }
2643}
2644
2645void
2646pidfd_open (int pid, unsigned int flags = 0)
2647 PPCODE:
2648{
2649 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2650 int fd = syscall (SYS_pidfd_open, pid, flags);
2651 XPUSHs (newmortalFH (fd, O_RDWR));
2652}
2653
2654int
2655pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2656 PPCODE:
2657{
2658 int res;
2659 siginfo_t si = { 0 };
2660
2661 if (SvOK (siginfo))
2662 {
2663 HV *hv;
2664 SV **svp;
2665
2666 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2667 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2668
2669 hv = (HV *)SvRV (siginfo);
2670
2671 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2672 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2673 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2674 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2675 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2676 }
2677
2678 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2679 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2680
2681 XPUSHs (sv_2mortal (newSViv (res)));
2682}
2683
2684void
2685pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2689 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2690 XPUSHs (newmortalFH (fd, O_RDWR));
2691}
2692
2693void
2694eventfd (unsigned int initval = 0, int flags = 0)
2695 PPCODE:
2696{
2697 int fd;
2698#if HAVE_EVENTFD
2699 fd = eventfd (initval, flags);
2700#else
2701 fd = (errno = ENOSYS, -1);
2702#endif
2703
2704 XPUSHs (newmortalFH (fd, O_RDWR));
2705}
2706
2707void
2708timerfd_create (int clockid, int flags = 0)
2709 PPCODE:
2710{
2711 int fd;
2712#if HAVE_TIMERFD
2713 fd = timerfd_create (clockid, flags);
2714#else
2715 fd = (errno = ENOSYS, -1);
2716#endif
2717
2718 XPUSHs (newmortalFH (fd, O_RDWR));
2719}
2720
2721void
2722timerfd_settime (SV *fh, int flags, NV interval, NV value)
2723 PPCODE:
2724{
2725 int fd = s_fileno_croak (fh, 0);
2726#if HAVE_TIMERFD
2727 int res;
2728 struct itimerspec its, ots;
2729
2730 ts_set (&its.it_interval, interval);
2731 ts_set (&its.it_value , value);
2732 res = timerfd_settime (fd, flags, &its, &ots);
2733
2734 if (!res)
2735 {
2736 EXTEND (SP, 2);
2737 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2738 PUSHs (newSVnv (ts_get (&ots.it_value)));
2739 }
2740#else
2741 errno = ENOSYS;
2742#endif
2743}
2744
2745void
2746timerfd_gettime (SV *fh)
2747 PPCODE:
2748{
2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2751 int res;
2752 struct itimerspec ots;
2753 res = timerfd_gettime (fd, &ots);
2754
2755 if (!res)
2756 {
2757 EXTEND (SP, 2);
2758 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2759 PUSHs (newSVnv (ts_get (&ots.it_value)));
2760 }
2761#else
2762 errno = ENOSYS;
2763#endif
2764}
2765
2766void
2767memfd_create (SV8 *pathname, int flags = 0)
2768 PPCODE:
2769{
2770 int fd;
2771#if HAVE_MEMFD_CREATE
2772 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2773#else
2774 fd = (errno = ENOSYS, -1);
2775#endif
2776
2777 XPUSHs (newmortalFH (fd, O_RDWR));
2778}
2779
2780UV
2781get_fdlimit ()
2782 CODE:
2783#if HAVE_RLIMITS
2784 struct rlimit rl;
2785 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2786 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2787#endif
2788 XSRETURN_UNDEF;
2789 OUTPUT:
2790 RETVAL
2791
2792void
2793min_fdlimit (UV limit = 0x7fffffffU)
2794 CODE:
2795{
2796#if HAVE_RLIMITS
2797 struct rlimit rl;
2798 rlim_t orig_rlim_max;
2799 UV bit;
2800
2801 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2802 goto fail;
2803
2804 if (rl.rlim_cur == RLIM_INFINITY)
2805 XSRETURN_YES;
2806
2807 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2808
2809 if (rl.rlim_cur < limit)
2810 {
2811 rl.rlim_cur = limit;
2812
2813 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2814 rl.rlim_max = rl.rlim_cur;
2815 }
2816
2817 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2818 XSRETURN_YES;
2819
2820 if (errno == EPERM)
2821 {
2822 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2823 /* our limit overflows a system-wide limit */
2824 /* try an adaptive algorithm, but do not lower the hardlimit */
2825 rl.rlim_max = 0;
2826 for (bit = 0x40000000U; bit; bit >>= 1)
2827 {
2828 rl.rlim_max |= bit;
2829 rl.rlim_cur = rl.rlim_max;
2830
2831 /* never decrease the hard limit */
2832 if (rl.rlim_max < orig_rlim_max)
2833 break;
2834
2835 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2836 rl.rlim_max &= ~bit; /* too high, remove bit again */
2837 }
2838
2839 /* now, raise the soft limit to the max permitted */
2840 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2841 {
2842 rl.rlim_cur = rl.rlim_max;
2843 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2844 errno = EPERM;
2845 }
2846 }
2847#endif
2848 fail:
2849 XSRETURN_UNDEF;
2850}
1731 2851
1732void _on_next_submit (SV *cb) 2852void _on_next_submit (SV *cb)
1733 CODE: 2853 CODE:
1734 SvREFCNT_dec (on_next_submit); 2854 SvREFCNT_dec (on_next_submit);
1735 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2855 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1736 2856
1737PROTOTYPES: DISABLE 2857PROTOTYPES: DISABLE
1738 2858
1739MODULE = IO::AIO PACKAGE = IO::AIO::WD 2859MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740 2860
2861BOOT:
2862{
2863 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2864 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2865}
2866
1741void 2867void
1742DESTROY (SV *self) 2868DESTROY (SV *self)
1743 CODE: 2869 CODE:
1744{ 2870{
1745 aio_wd wd = SvAIO_WD (self); 2871 aio_wd wd = SvAIO_WD (self);
1746#if HAVE_AT 2872#if HAVE_AT
2873 {
1747 SV *callback = &PL_sv_undef; 2874 SV *callback = &PL_sv_undef;
1748 dREQ; /* clobbers next_pri :/ */ 2875 dREQ; /* clobbers next_pri :/ */
2876 next_pri = req->pri; /* restore next_pri */
2877 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749 req->type = EIO_WD_CLOSE; 2878 req->type = EIO_WD_CLOSE;
1750 req->wd = wd; 2879 req->wd = wd;
1751 REQ_SEND; 2880 REQ_SEND;
2881 }
1752#else 2882#else
1753 eio_wd_close_sync (wd); 2883 eio_wd_close_sync (wd);
1754#endif 2884#endif
1755} 2885}
1756 2886
… …
1760cancel (aio_req_ornot req) 2890cancel (aio_req_ornot req)
1761 CODE: 2891 CODE:
1762 eio_cancel (req); 2892 eio_cancel (req);
1763 2893
1764void 2894void
1765cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2895cb (aio_req_ornot req, SV *callback = NO_INIT)
1766 PPCODE: 2896 PPCODE:
1767{ 2897{
1768 if (GIMME_V != G_VOID) 2898 if (GIMME_V != G_VOID)
1769 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2899 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1770 2900
1771 if (items > 1) 2901 if (items > 1)
1772 { 2902 {
1773 SV *cb_cv =get_cb (callback); 2903 SV *cb_cv = get_cb (callback);
1774 2904
1775 SvREFCNT_dec (req->callback); 2905 SvREFCNT_dec (req->callback);
1776 req->callback = SvREFCNT_inc (cb_cv); 2906 req->callback = SvREFCNT_inc (cb_cv);
1777 } 2907 }
1778} 2908}
… …
1835limit (aio_req grp, int limit) 2965limit (aio_req grp, int limit)
1836 CODE: 2966 CODE:
1837 eio_grp_limit (grp, limit); 2967 eio_grp_limit (grp, limit);
1838 2968
1839void 2969void
1840feed (aio_req grp, SV *callback=&PL_sv_undef) 2970feed (aio_req grp, SV *callback = &PL_sv_undef)
1841 CODE: 2971 CODE:
1842{ 2972{
1843 SvREFCNT_dec (grp->sv2); 2973 SvREFCNT_dec (grp->sv2);
1844 grp->sv2 = newSVsv (callback); 2974 grp->sv2 = newSVsv (callback);
1845 grp->feed = aio_grp_feed; 2975 grp->feed = aio_grp_feed;

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