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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.196 by root, Tue Sep 27 00:41:51 2011 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 2021 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
… …
617 break; 759 break;
618 760
619 case EIO_STAT: 761 case EIO_STAT:
620 case EIO_LSTAT: 762 case EIO_LSTAT:
621 case EIO_FSTAT: 763 case EIO_FSTAT:
622 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
623 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
624 /* 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 */
625 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
769
626 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)));
627 break; 775 break;
628 776
629 case EIO_READ: 777 case EIO_READ:
630 { 778 {
631 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));
… …
634 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
635 PUSHs (sv_result); 783 PUSHs (sv_result);
636 } 784 }
637 break; 785 break;
638 786
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
639 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 */
640 if (req->result > 0) 858 if (req->result > 0)
641 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
642 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
643 861
… …
664 } 882 }
665 883
666 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
667} 885}
668 886
887static void
669static void req_destroy (aio_req req) 888req_destroy (aio_req req)
670{ 889{
671 if (req->self) 890 if (req->self)
672 { 891 {
673 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
674 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
… …
678 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
679 SvREFCNT_dec (req->sv3); 898 SvREFCNT_dec (req->sv3);
680 SvREFCNT_dec (req->sv4); 899 SvREFCNT_dec (req->sv4);
681 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
682 901
683 Safefree (req); 902 free (req);
684} 903}
685 904
905static void
686static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
687{ 907{
688 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
689 return; 909 return;
690 910
691 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
692 grp->sv2 = 0; 912 grp->sv2 = 0;
693 913
694 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
695} 915}
696 916
917ecb_cold
918static void
697static void create_respipe (void) 919create_respipe (void)
698{ 920{
699 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
700 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
701} 923}
702 924
703static void poll_wait (void) 925static void
926poll_wait (void)
704{ 927{
705 while (eio_nreqs ()) 928 while (eio_nreqs ())
706 { 929 {
707 int size; 930 int size;
708 931
709 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
710 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
711 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
712 935
713 if (size) 936 if (size)
714 return; 937 return;
715 938
716 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
717 940
718 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
719 } 942 }
720} 943}
721 944
722static int poll_cb (void) 945static int
946poll_cb (void)
723{ 947{
724 for (;;) 948 for (;;)
725 { 949 {
726 int res = eio_poll (); 950 int res = eio_poll ();
727 951
… …
733 957
734 poll_wait (); 958 poll_wait ();
735 } 959 }
736} 960}
737 961
738static void ecb_cold 962ecb_cold
963static void
739reinit (void) 964reinit (void)
740{ 965{
741 create_respipe (); 966 create_respipe ();
742 967
743 if (eio_init (want_poll, done_poll) < 0) 968 if (eio_init (want_poll, done_poll) < 0)
744 croak ("IO::AIO: unable to initialise eio library"); 969 croak ("IO::AIO: unable to initialise eio library");
745} 970}
746 971
747/*****************************************************************************/ 972/*****************************************************************************/
748 973
749#if !_POSIX_MAPPED_FILES 974static SV *
750# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
751# define munmap(addr,length) (errno = ENOSYS, -1)
752#endif
753
754#if !_POSIX_MEMORY_PROTECTION
755# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
756# define PROT_NONE 0
757# define PROT_WRITE 0
758# define MAP_PRIVATE 0
759# define MAP_SHARED 0
760# define MAP_FIXED 0
761#endif
762
763#define MMAP_MAGIC PERL_MAGIC_ext
764
765static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
766{
767 int old_errno = errno;
768 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
769 errno = old_errno;
770
771 mg->mg_obj = 0; /* just in case */
772
773 SvREADONLY_off (sv);
774
775 if (SvPVX (sv) != mg->mg_ptr)
776 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
777
778 SvCUR_set (sv, 0);
779 SvPVX (sv) = 0;
780 SvOK_off (sv);
781
782 return 0;
783}
784
785static MGVTBL mmap_vtbl = {
786 0, 0, 0, 0, mmap_free
787};
788
789/*****************************************************************************/
790
791static SV * get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
792{ 976{
793 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
794 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
795} 979}
796 980
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
797#define dREQ \ 1002#define dREQ \
798 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
799 aio_req req; \
800 int req_pri = next_pri; \
801 next_pri = EIO_PRI_DEFAULT; \
802 \
803 cb_cv = get_cb (callback); \
804 \
805 Newz (0, req, 1, eio_req); \
806 if (!req) \
807 croak ("out of memory during eio_req allocation"); \
808 \
809 req->callback = SvREFCNT_inc (cb_cv); \
810 req->pri = req_pri
811 1004
812#define REQ_SEND \ 1005#define REQ_SEND \
813 PUTBACK; \ 1006 PUTBACK; \
814 req_submit (req); \ 1007 req_submit (req); \
815 SPAGAIN; \ 1008 SPAGAIN; \
816 \ 1009 \
817 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
818 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
819 1012
820static void 1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
821req_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)
822{ 1017{
823 if (SvROK (path)) 1018 if (expect_false (SvROK (path)))
824 { 1019 {
825 AV *av = (AV *)SvRV (path); 1020 SV *rv = SvRV (path);
826 SV *wdob; 1021 SV *wdob;
827 1022
828 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
829 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
830
831 path = AvARRAY (av)[1];
832 wdob = AvARRAY (av)[0];
833
834 if (SvOK (wdob))
835 { 1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
836 *wd = SvAIO_WD (wdob); 1030 *wd = SvAIO_WD (wdob);
837 *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 "." */
838 } 1042 }
839 else 1043 else
840 *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");
841 } 1045 }
842 1046
843 *pathsv = newSVsv (path); 1047 *pathsv = newSVsv (path);
844 *ptr = SvPVbyte_nolen (*pathsv); 1048 *ptr = SvPVbyte_nolen (*pathsv);
845} 1049}
846 1050
1051ecb_noinline
847static void 1052static void
848req_set_path1 (aio_req req, SV *path) 1053req_set_path1 (aio_req req, SV *path)
849{ 1054{
850 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);
851} 1056}
852 1057
1058ecb_noinline
853static void 1059static void
854req_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)
855{ 1061{
856 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;
857 1063
… …
868 default: 1074 default:
869 req->type = type_path; 1075 req->type = type_path;
870 req_set_path1 (req, fh_or_path); 1076 req_set_path1 (req, fh_or_path);
871 break; 1077 break;
872 } 1078 }
873
874} 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;
875 1099
876MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
877 1101
878PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
879 1103
… …
884 IV iv; 1108 IV iv;
885 } *civ, const_iv[] = { 1109 } *civ, const_iv[] = {
886# define const_niv(name, value) { # name, (IV) value }, 1110# define const_niv(name, value) { # name, (IV) value },
887# define const_iv(name) { # name, (IV) name }, 1111# define const_iv(name) { # name, (IV) name },
888# 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)
889 const_iv (EXDEV) 1117 const_iv (EXDEV)
890 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
891 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
892 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
893 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
894 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
895 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
… …
908 const_iv (O_SEARCH) 1157 const_iv (O_SEARCH)
909 const_iv (O_DIRECTORY) 1158 const_iv (O_DIRECTORY)
910 const_iv (O_DSYNC) 1159 const_iv (O_DSYNC)
911 const_iv (O_RSYNC) 1160 const_iv (O_RSYNC)
912 const_iv (O_SYNC) 1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
913 const_iv (O_TTY_INIT) 1164 const_iv (O_TTY_INIT)
914 1165
915 const_iv (S_IFIFO) 1166 const_iv (S_IFIFO)
916 const_iv (S_IFCHR) 1167 const_iv (S_IFCHR)
917 const_iv (S_IFBLK) 1168 const_iv (S_IFBLK)
… …
919 const_iv (S_IFREG) 1170 const_iv (S_IFREG)
920 const_iv (S_IFDIR) 1171 const_iv (S_IFDIR)
921 const_iv (S_IFWHT) 1172 const_iv (S_IFWHT)
922 const_iv (S_IFSOCK) 1173 const_iv (S_IFSOCK)
923 const_iv (S_IFMT) 1174 const_iv (S_IFMT)
924
925 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
926 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
927 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
928 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
929 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
930 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
931
932 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
933 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
934 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
935 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
936 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
937 1175
938 const_iv (ST_RDONLY) 1176 const_iv (ST_RDONLY)
939 const_iv (ST_NOSUID) 1177 const_iv (ST_NOSUID)
940 const_iv (ST_NODEV) 1178 const_iv (ST_NODEV)
941 const_iv (ST_NOEXEC) 1179 const_iv (ST_NOEXEC)
… …
951 const_iv (PROT_NONE) 1189 const_iv (PROT_NONE)
952 const_iv (PROT_EXEC) 1190 const_iv (PROT_EXEC)
953 const_iv (PROT_READ) 1191 const_iv (PROT_READ)
954 const_iv (PROT_WRITE) 1192 const_iv (PROT_WRITE)
955 1193
956 /*const_iv (MAP_FIXED)*/
957 const_iv (MAP_PRIVATE) 1194 const_iv (MAP_PRIVATE)
958 const_iv (MAP_SHARED) 1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
959 const_iv (MAP_ANONYMOUS) 1197 const_iv (MAP_ANONYMOUS)
960 1198
961 /* linuxish */ 1199 /* linuxish */
962 const_iv (MAP_HUGETLB)
963 const_iv (MAP_LOCKED) 1200 const_iv (MAP_LOCKED)
964 const_iv (MAP_NORESERVE) 1201 const_iv (MAP_NORESERVE)
965 const_iv (MAP_POPULATE) 1202 const_iv (MAP_POPULATE)
966 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
1209 const_iv (MREMAP_MAYMOVE)
1210 const_iv (MREMAP_FIXED)
1211
1212 const_iv (MSG_CMSG_CLOEXEC)
1213 const_iv (SOCK_CLOEXEC)
1214
1215 const_iv (F_DUPFD_CLOEXEC)
1216
1217 const_iv (F_ADD_SEALS)
1218 const_iv (F_GET_SEALS)
1219 const_iv (F_SEAL_SEAL)
1220 const_iv (F_SEAL_SHRINK)
1221 const_iv (F_SEAL_GROW)
1222 const_iv (F_SEAL_WRITE)
1223
1224 const_iv (F_OFD_GETLK)
1225 const_iv (F_OFD_SETLK)
1226 const_iv (F_OFD_GETLKW)
1227
1228 const_iv (FIFREEZE)
1229 const_iv (FITHAW)
1230 const_iv (FITRIM)
1231 const_iv (FICLONE)
1232 const_iv (FICLONERANGE)
1233 const_iv (FIDEDUPERANGE)
1234
1235 const_iv (FS_IOC_GETFLAGS)
1236 const_iv (FS_IOC_SETFLAGS)
1237 const_iv (FS_IOC_GETVERSION)
1238 const_iv (FS_IOC_SETVERSION)
1239 const_iv (FS_IOC_FIEMAP)
1240 const_iv (FS_IOC_FSGETXATTR)
1241 const_iv (FS_IOC_FSSETXATTR)
1242 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1243 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1244 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1245
1246 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1247
1248 const_iv (FS_SECRM_FL)
1249 const_iv (FS_UNRM_FL)
1250 const_iv (FS_COMPR_FL)
1251 const_iv (FS_SYNC_FL)
1252 const_iv (FS_IMMUTABLE_FL)
1253 const_iv (FS_APPEND_FL)
1254 const_iv (FS_NODUMP_FL)
1255 const_iv (FS_NOATIME_FL)
1256 const_iv (FS_DIRTY_FL)
1257 const_iv (FS_COMPRBLK_FL)
1258 const_iv (FS_NOCOMP_FL)
1259 const_iv (FS_ENCRYPT_FL)
1260 const_iv (FS_BTREE_FL)
1261 const_iv (FS_INDEX_FL)
1262 const_iv (FS_JOURNAL_DATA_FL)
1263 const_iv (FS_NOTAIL_FL)
1264 const_iv (FS_DIRSYNC_FL)
1265 const_iv (FS_TOPDIR_FL)
1266 const_iv (FS_FL_USER_MODIFIABLE)
1267
1268 const_iv (FS_XFLAG_REALTIME)
1269 const_iv (FS_XFLAG_PREALLOC)
1270 const_iv (FS_XFLAG_IMMUTABLE)
1271 const_iv (FS_XFLAG_APPEND)
1272 const_iv (FS_XFLAG_SYNC)
1273 const_iv (FS_XFLAG_NOATIME)
1274 const_iv (FS_XFLAG_NODUMP)
1275 const_iv (FS_XFLAG_RTINHERIT)
1276 const_iv (FS_XFLAG_PROJINHERIT)
1277 const_iv (FS_XFLAG_NOSYMLINKS)
1278 const_iv (FS_XFLAG_EXTSIZE)
1279 const_iv (FS_XFLAG_EXTSZINHERIT)
1280 const_iv (FS_XFLAG_NODEFRAG)
1281 const_iv (FS_XFLAG_FILESTREAM)
1282 const_iv (FS_XFLAG_DAX)
1283 const_iv (FS_XFLAG_HASATTR)
1284
1285 const_iv (FIEMAP_FLAG_SYNC)
1286 const_iv (FIEMAP_FLAG_XATTR)
1287 const_iv (FIEMAP_FLAGS_COMPAT)
1288 const_iv (FIEMAP_EXTENT_LAST)
1289 const_iv (FIEMAP_EXTENT_UNKNOWN)
1290 const_iv (FIEMAP_EXTENT_DELALLOC)
1291 const_iv (FIEMAP_EXTENT_ENCODED)
1292 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1293 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1294 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1295 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1296 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1297 const_iv (FIEMAP_EXTENT_MERGED)
1298 const_iv (FIEMAP_EXTENT_SHARED)
1299
1300 const_iv (SPLICE_F_MOVE)
1301 const_iv (SPLICE_F_NONBLOCK)
1302 const_iv (SPLICE_F_MORE)
1303 const_iv (SPLICE_F_GIFT)
1304
1305 const_iv (EFD_CLOEXEC)
1306 const_iv (EFD_NONBLOCK)
1307 const_iv (EFD_SEMAPHORE)
1308
1309 const_iv (MFD_CLOEXEC)
1310 const_iv (MFD_ALLOW_SEALING)
1311 const_iv (MFD_HUGETLB)
1312
1313 const_iv (CLOCK_REALTIME)
1314 const_iv (CLOCK_MONOTONIC)
1315 const_iv (CLOCK_BOOTTIME)
1316 const_iv (CLOCK_REALTIME_ALARM)
1317 const_iv (CLOCK_BOOTTIME_ALARM)
1318
1319 const_iv (TFD_NONBLOCK)
1320 const_iv (TFD_CLOEXEC)
1321
1322 const_iv (TFD_TIMER_ABSTIME)
1323 const_iv (TFD_TIMER_CANCEL_ON_SET)
1324
1325 const_iv (STATX_TYPE)
1326 const_iv (STATX_MODE)
1327 const_iv (STATX_NLINK)
1328 const_iv (STATX_UID)
1329 const_iv (STATX_GID)
1330 const_iv (STATX_ATIME)
1331 const_iv (STATX_MTIME)
1332 const_iv (STATX_CTIME)
1333 const_iv (STATX_INO)
1334 const_iv (STATX_SIZE)
1335 const_iv (STATX_BLOCKS)
1336 const_iv (STATX_BASIC_STATS)
1337 const_iv (STATX_ALL)
1338 const_iv (STATX_BTIME)
1339 const_iv (STATX_ATTR_COMPRESSED)
1340 const_iv (STATX_ATTR_IMMUTABLE)
1341 const_iv (STATX_ATTR_APPEND)
1342 const_iv (STATX_ATTR_NODUMP)
1343 const_iv (STATX_ATTR_ENCRYPTED)
1344 const_iv (STATX_ATTR_AUTOMOUNT)
1345
1346 const_iv (AT_FDCWD)
1347 const_iv (AT_SYMLINK_NOFOLLOW)
1348 const_iv (AT_EACCESS)
1349 const_iv (AT_REMOVEDIR)
1350 const_iv (AT_SYMLINK_FOLLOW)
1351 const_iv (AT_NO_AUTOMOUNT)
1352 const_iv (AT_EMPTY_PATH)
1353 const_iv (AT_STATX_SYNC_TYPE)
1354 const_iv (AT_STATX_AS_STAT)
1355 const_iv (AT_STATX_FORCE_SYNC)
1356 const_iv (AT_STATX_DONT_SYNC)
1357 const_iv (AT_RECURSIVE)
1358
1359 const_iv (OPEN_TREE_CLONE)
1360
1361 const_iv (FSOPEN_CLOEXEC)
1362
1363 const_iv (FSPICK_CLOEXEC)
1364 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1365 const_iv (FSPICK_NO_AUTOMOUNT)
1366 const_iv (FSPICK_EMPTY_PATH)
1367
1368 const_iv (MOVE_MOUNT_F_SYMLINKS)
1369 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1370 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1371 const_iv (MOVE_MOUNT_T_SYMLINKS)
1372 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1373 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1374
1375 /* waitid */
1376 const_iv (P_PID)
1377 const_iv (P_PIDFD)
1378 const_iv (P_PGID)
1379 const_iv (P_ALL)
1380
1381 const_iv (FSCONFIG_SET_FLAG)
1382 const_iv (FSCONFIG_SET_STRING)
1383 const_iv (FSCONFIG_SET_BINARY)
1384 const_iv (FSCONFIG_SET_PATH)
1385 const_iv (FSCONFIG_SET_PATH_EMPTY)
1386 const_iv (FSCONFIG_SET_FD)
1387 const_iv (FSCONFIG_CMD_CREATE)
1388 const_iv (FSCONFIG_CMD_RECONFIGURE)
1389
1390 const_iv (MOUNT_ATTR_RDONLY)
1391 const_iv (MOUNT_ATTR_NOSUID)
1392 const_iv (MOUNT_ATTR_NODEV)
1393 const_iv (MOUNT_ATTR_NOEXEC)
1394 const_iv (MOUNT_ATTR__ATIME)
1395 const_iv (MOUNT_ATTR_RELATIME)
1396 const_iv (MOUNT_ATTR_NOATIME)
1397 const_iv (MOUNT_ATTR_STRICTATIME)
1398 const_iv (MOUNT_ATTR_NODIRATIME)
1399
1400 /* these are libeio constants, and are independent of gendef0 */
1401 const_eio (SEEK_SET)
1402 const_eio (SEEK_CUR)
1403 const_eio (SEEK_END)
967 1404
968 const_eio (MCL_FUTURE) 1405 const_eio (MCL_FUTURE)
969 const_eio (MCL_CURRENT) 1406 const_eio (MCL_CURRENT)
1407 const_eio (MCL_ONFAULT)
970 1408
971 const_eio (MS_ASYNC) 1409 const_eio (MS_ASYNC)
972 const_eio (MS_INVALIDATE) 1410 const_eio (MS_INVALIDATE)
973 const_eio (MS_SYNC) 1411 const_eio (MS_SYNC)
974 1412
… …
977 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1415 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
978 const_eio (SYNC_FILE_RANGE_WRITE) 1416 const_eio (SYNC_FILE_RANGE_WRITE)
979 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1417 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
980 1418
981 const_eio (FALLOC_FL_KEEP_SIZE) 1419 const_eio (FALLOC_FL_KEEP_SIZE)
1420 const_eio (FALLOC_FL_PUNCH_HOLE)
1421 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1422 const_eio (FALLOC_FL_ZERO_RANGE)
1423 const_eio (FALLOC_FL_INSERT_RANGE)
1424 const_eio (FALLOC_FL_UNSHARE_RANGE)
1425
1426 const_eio (RENAME_NOREPLACE)
1427 const_eio (RENAME_EXCHANGE)
1428 const_eio (RENAME_WHITEOUT)
982 1429
983 const_eio (READDIR_DENTS) 1430 const_eio (READDIR_DENTS)
984 const_eio (READDIR_DIRS_FIRST) 1431 const_eio (READDIR_DIRS_FIRST)
985 const_eio (READDIR_STAT_ORDER) 1432 const_eio (READDIR_STAT_ORDER)
986 const_eio (READDIR_FOUND_UNKNOWN) 1433 const_eio (READDIR_FOUND_UNKNOWN)
… …
1004 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1451 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1005 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1452 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1006 1453
1007 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1454 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1008 1455
1456 /* allocate dummy pipe fd for aio_close */
1457 {
1458 int pipefd [2];
1459
1460 if (
1461#ifdef _WIN32
1462 _pipe (pipefd, 1, _O_BINARY) < 0
1463#else
1464 pipe (pipefd) < 0
1465 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1466#endif
1467 || close (pipefd [1]) < 0
1468 )
1469 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1470
1471 close_fd = pipefd [0];
1472 }
1473
1009 reinit (); 1474 reinit ();
1010} 1475}
1011 1476
1012void 1477void
1013reinit () 1478reinit ()
… …
1054 PROTOTYPE: $ 1519 PROTOTYPE: $
1055 CODE: 1520 CODE:
1056 max_outstanding = maxreqs; 1521 max_outstanding = maxreqs;
1057 1522
1058void 1523void
1059aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1524aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1060 PPCODE: 1525 PPCODE:
1061{ 1526{
1062 dREQ; 1527 dREQ;
1063 1528
1064 req->type = EIO_WD_OPEN; 1529 req->type = EIO_WD_OPEN;
… …
1066 1531
1067 REQ_SEND; 1532 REQ_SEND;
1068} 1533}
1069 1534
1070void 1535void
1071aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1536aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1072 PPCODE: 1537 PPCODE:
1073{ 1538{
1074 dREQ; 1539 dREQ;
1075 1540
1076 req->type = EIO_OPEN; 1541 req->type = EIO_OPEN;
… …
1080 1545
1081 REQ_SEND; 1546 REQ_SEND;
1082} 1547}
1083 1548
1084void 1549void
1085aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1550aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1086 ALIAS: 1551 ALIAS:
1087 aio_fsync = EIO_FSYNC 1552 aio_fsync = EIO_FSYNC
1088 aio_fdatasync = EIO_FDATASYNC 1553 aio_fdatasync = EIO_FDATASYNC
1089 aio_syncfs = EIO_SYNCFS 1554 aio_syncfs = EIO_SYNCFS
1090 PPCODE: 1555 PPCODE:
1091{ 1556{
1092 int fd = s_fileno_croak (fh, 0); 1557 int fd = s_fileno_croak (fh, 0);
1093 dREQ; 1558 dREQ;
1094 1559
1095 req->type = ix; 1560 req->type = ix;
1096 req->sv1 = newSVsv (fh); 1561 req->sv1 = newSVsv (fh);
1097 req->int1 = fd; 1562 req->int1 = fd;
1098 1563
1099 REQ_SEND (req); 1564 REQ_SEND;
1100} 1565}
1101 1566
1102void 1567void
1103aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1568aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1569 PPCODE:
1105{ 1570{
1106 int fd = s_fileno_croak (fh, 0); 1571 int fd = s_fileno_croak (fh, 0);
1107 dREQ; 1572 dREQ;
1108 1573
1109 req->type = EIO_SYNC_FILE_RANGE; 1574 req->type = EIO_SYNC_FILE_RANGE;
1110 req->sv1 = newSVsv (fh); 1575 req->sv1 = newSVsv (fh);
1111 req->int1 = fd; 1576 req->int1 = fd;
1112 req->offs = offset; 1577 req->offs = offset;
1113 req->size = nbytes; 1578 req->size = nbytes;
1114 req->int2 = flags; 1579 req->int2 = flags;
1115 1580
1116 REQ_SEND (req); 1581 REQ_SEND;
1117} 1582}
1118 1583
1119void 1584void
1120aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1585aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1121 PPCODE: 1586 PPCODE:
1122{ 1587{
1123 int fd = s_fileno_croak (fh, 0); 1588 int fd = s_fileno_croak (fh, 0);
1124 dREQ; 1589 dREQ;
1125 1590
1126 req->type = EIO_FALLOCATE; 1591 req->type = EIO_FALLOCATE;
1127 req->sv1 = newSVsv (fh); 1592 req->sv1 = newSVsv (fh);
1128 req->int1 = fd; 1593 req->int1 = fd;
1129 req->int2 = mode; 1594 req->int2 = mode;
1130 req->offs = offset; 1595 req->offs = offset;
1131 req->size = len; 1596 req->size = len;
1132 1597
1133 REQ_SEND (req); 1598 REQ_SEND;
1134} 1599}
1135 1600
1136void 1601void
1137aio_close (SV *fh, SV *callback=&PL_sv_undef) 1602aio_close (SV *fh, SV *callback = &PL_sv_undef)
1138 PPCODE: 1603 PPCODE:
1139{ 1604{
1140 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1141 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
1142 dREQ; 1606 dREQ;
1607#if 0
1608 /* partially duplicate logic in s_fileno */
1609 SvGETMAGIC (fh);
1143 1610
1144 if (expect_false (close_fd < 0)) 1611 if (SvROK (fh))
1612 {
1613 fh = SvRV (fh);
1614 SvGETMAGIC (fh);
1615 }
1616
1617 if (SvTYPE (fh) == SVt_PVGV)
1145 { 1618 {
1146 int pipefd [2]; 1619 /* perl filehandle */
1620 PerlIOUnix_refcnt_inc (fd);
1621 do_close ((GV *)fh, 1);
1147 1622
1148 if ( 1623 req->type = EIO_CLOSE;
1149#ifdef _WIN32 1624 req->int1 = fd;
1150 _pipe (pipefd, 1, _O_BINARY) < 0 1625 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1151#else
1152 pipe (pipefd) < 0
1153 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1154#endif
1155 || close (pipefd [1]) < 0
1156 )
1157 abort (); /*D*/
1158
1159 close_fd = pipefd [0];
1160 } 1626 }
1161 1627 else
1628#endif
1629 {
1630 /* fd number */
1162 req->type = EIO_DUP2; 1631 req->type = EIO_DUP2;
1163 req->int1 = close_fd; 1632 req->int1 = close_fd;
1633 req->sv2 = newSVsv (fh);
1634 req->int2 = fd;
1635 }
1636
1637 REQ_SEND;
1638}
1639
1640void
1641aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1642 PPCODE:
1643{
1644 int fd = s_fileno_croak (fh, 0);
1645 dREQ;
1646
1647 req->type = EIO_SEEK;
1164 req->sv2 = newSVsv (fh); 1648 req->sv1 = newSVsv (fh);
1165 req->int2 = fd; 1649 req->int1 = fd;
1650 req->offs = SvVAL64 (offset);
1651 req->int2 = whence;
1166 1652
1167 REQ_SEND (req); 1653 REQ_SEND;
1168} 1654}
1169 1655
1170void 1656void
1171aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1657aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1172 ALIAS: 1658 ALIAS:
1173 aio_read = EIO_READ 1659 aio_read = EIO_READ
1174 aio_write = EIO_WRITE 1660 aio_write = EIO_WRITE
1175 PPCODE: 1661 PPCODE:
1176{ 1662{
… …
1192 len = svlen - dataoffset; 1678 len = svlen - dataoffset;
1193 } 1679 }
1194 else 1680 else
1195 { 1681 {
1196 /* read: check type and grow scalar as necessary */ 1682 /* read: check type and grow scalar as necessary */
1197 SvUPGRADE (data, SVt_PV); 1683 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1198 svptr = SvGROW (data, len + dataoffset + 1); 1684 svptr = sv_grow (data, len + dataoffset + 1);
1685 else if (SvCUR (data) < len + dataoffset)
1686 croak ("length + dataoffset outside of scalar, and cannot grow");
1199 } 1687 }
1200 1688
1201 { 1689 {
1202 dREQ; 1690 dREQ;
1203 1691
… …
1219 REQ_SEND; 1707 REQ_SEND;
1220 } 1708 }
1221} 1709}
1222 1710
1223void 1711void
1712aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1713 ALIAS:
1714 aio_ioctl = EIO_IOCTL
1715 aio_fcntl = EIO_FCNTL
1716 PPCODE:
1717{
1718 int fd = s_fileno_croak (fh, 0);
1719 char *svptr;
1720
1721 if (SvPOK (arg) || !SvNIOK (arg))
1722 {
1723 STRLEN svlen;
1724 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1725#ifdef IOCPARM_LEN
1726 STRLEN need = IOCPARM_LEN (request);
1727#else
1728 STRLEN need = 256;
1729#endif
1730
1731 if (svlen < need)
1732 svptr = SvGROW (arg, need);
1733 }
1734 else
1735 svptr = (char *)SvIV (arg);
1736
1737 {
1738 dREQ;
1739
1740 req->type = ix;
1741 req->sv1 = newSVsv (fh);
1742 req->int1 = fd;
1743 req->int2 = (long)request;
1744 req->sv2 = SvREFCNT_inc (arg);
1745 req->ptr2 = svptr;
1746
1747 REQ_SEND;
1748 }
1749}
1750
1751void
1224aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1752aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1225 ALIAS: 1753 ALIAS:
1226 aio_readlink = EIO_READLINK 1754 aio_readlink = EIO_READLINK
1227 aio_realpath = EIO_REALPATH 1755 aio_realpath = EIO_REALPATH
1228 PPCODE: 1756 PPCODE:
1229{ 1757{
… …
1234 1762
1235 REQ_SEND; 1763 REQ_SEND;
1236} 1764}
1237 1765
1238void 1766void
1239aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1767aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1240 PPCODE: 1768 PPCODE:
1241{ 1769{
1242 int ifd = s_fileno_croak (in_fh , 0); 1770 int ifd = s_fileno_croak (in_fh , 0);
1243 int ofd = s_fileno_croak (out_fh, 1); 1771 int ofd = s_fileno_croak (out_fh, 1);
1244 dREQ; 1772 dREQ;
1245 1773
1246 req->type = EIO_SENDFILE; 1774 req->type = EIO_SENDFILE;
1247 req->sv1 = newSVsv (out_fh); 1775 req->sv1 = newSVsv (out_fh);
1248 req->int1 = ofd; 1776 req->int1 = ofd;
… …
1253 1781
1254 REQ_SEND; 1782 REQ_SEND;
1255} 1783}
1256 1784
1257void 1785void
1258aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1786aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1259 PPCODE: 1787 PPCODE:
1260{ 1788{
1261 int fd = s_fileno_croak (fh, 0); 1789 int fd = s_fileno_croak (fh, 0);
1262 dREQ; 1790 dREQ;
1263 1791
1264 req->type = EIO_READAHEAD; 1792 req->type = EIO_READAHEAD;
1265 req->sv1 = newSVsv (fh); 1793 req->sv1 = newSVsv (fh);
1266 req->int1 = fd; 1794 req->int1 = fd;
… …
1269 1797
1270 REQ_SEND; 1798 REQ_SEND;
1271} 1799}
1272 1800
1273void 1801void
1274aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1802aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1275 ALIAS: 1803 ALIAS:
1276 aio_stat = EIO_STAT 1804 aio_stat = EIO_STAT
1277 aio_lstat = EIO_LSTAT 1805 aio_lstat = EIO_LSTAT
1278 aio_statvfs = EIO_STATVFS 1806 aio_statvfs = EIO_STATVFS
1279 PPCODE: 1807 PPCODE:
1280{ 1808{
1281 dREQ; 1809 dREQ;
1282 1810
1283 req->sv1 = newSVsv (fh_or_path);
1284 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1811 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1812
1285 REQ_SEND; 1813 REQ_SEND;
1286} 1814}
1815
1816void
1817st_xtime ()
1818 ALIAS:
1819 st_atime = 0x01
1820 st_mtime = 0x02
1821 st_ctime = 0x04
1822 st_btime = 0x08
1823 st_xtime = 0x0f
1824 PPCODE:
1825 EXTEND (SP, 4);
1826 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1827 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1828 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1829 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1830
1831void
1832st_xtimensec ()
1833 ALIAS:
1834 st_atimensec = 0x01
1835 st_mtimensec = 0x02
1836 st_ctimensec = 0x04
1837 st_btimensec = 0x08
1838 st_xtimensec = 0x0f
1839 st_btimesec = 0x10
1840 st_gen = 0x20
1841 PPCODE:
1842 EXTEND (SP, 4);
1843 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1844 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1845 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1846 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1847 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1848 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1287 1849
1288UV 1850UV
1289major (UV dev) 1851major (UV dev)
1290 ALIAS: 1852 ALIAS:
1291 minor = 1 1853 minor = 1
1292 CODE: 1854 CODE:
1293 RETVAL = ix ? major (dev) : minor (dev); 1855 RETVAL = ix ? minor (dev) : major (dev);
1294 OUTPUT: 1856 OUTPUT:
1295 RETVAL 1857 RETVAL
1296 1858
1297UV 1859UV
1298makedev (UV maj, UV min) 1860makedev (UV maj, UV min)
… …
1300 RETVAL = makedev (maj, min); 1862 RETVAL = makedev (maj, min);
1301 OUTPUT: 1863 OUTPUT:
1302 RETVAL 1864 RETVAL
1303 1865
1304void 1866void
1305aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1867aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1306 PPCODE: 1868 PPCODE:
1307{ 1869{
1308 dREQ; 1870 dREQ;
1309 1871
1310 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1872 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1313 1875
1314 REQ_SEND; 1876 REQ_SEND;
1315} 1877}
1316 1878
1317void 1879void
1318aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1880aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1319 PPCODE: 1881 PPCODE:
1320{ 1882{
1321 dREQ; 1883 dREQ;
1322 1884
1323 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1885 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1325 1887
1326 REQ_SEND; 1888 REQ_SEND;
1327} 1889}
1328 1890
1329void 1891void
1330aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1892aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1331 ALIAS:
1332 aio_chmod = EIO_CHMOD
1333 aio_mkdir = EIO_MKDIR
1334 PPCODE: 1893 PPCODE:
1335{ 1894{
1336 dREQ; 1895 dREQ;
1337 1896
1338 req->int2 = mode; 1897 req->int2 = mode;
… …
1340 1899
1341 REQ_SEND; 1900 REQ_SEND;
1342} 1901}
1343 1902
1344void 1903void
1345aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1904aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1346 PPCODE: 1905 PPCODE:
1347{ 1906{
1348 dREQ; 1907 dREQ;
1349 1908
1350 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1909 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1353 1912
1354 REQ_SEND; 1913 REQ_SEND;
1355} 1914}
1356 1915
1357void 1916void
1358aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1917aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1359 PPCODE: 1918 PPCODE:
1360{ 1919{
1361 dREQ; 1920 dREQ;
1362 1921
1363 req->type = EIO_READDIR; 1922 req->type = EIO_READDIR;
1364 req->sv1 = newSVsv (pathname);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1);
1366 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1923 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1367 1924
1368 if (flags & EIO_READDIR_DENTS) 1925 if (flags & EIO_READDIR_DENTS)
1369 req->int1 |= EIO_READDIR_CUSTOM2; 1926 req->int1 |= EIO_READDIR_CUSTOM2;
1370 1927
1928 req_set_path1 (req, pathname);
1929
1371 REQ_SEND; 1930 REQ_SEND;
1372} 1931}
1373 1932
1374void 1933void
1934aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1935 PPCODE:
1936{
1937 dREQ;
1938
1939 req->type = EIO_MKDIR;
1940 req->int2 = mode;
1941 req_set_path1 (req, pathname);
1942
1943 REQ_SEND;
1944}
1945
1946void
1375aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1947aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1376 ALIAS: 1948 ALIAS:
1377 aio_unlink = EIO_UNLINK 1949 aio_unlink = EIO_UNLINK
1378 aio_rmdir = EIO_RMDIR 1950 aio_rmdir = EIO_RMDIR
1379 aio_readdir = EIO_READDIR 1951 aio_readdir = EIO_READDIR
1380 PPCODE: 1952 PPCODE:
… …
1386 1958
1387 REQ_SEND; 1959 REQ_SEND;
1388} 1960}
1389 1961
1390void 1962void
1391aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1963aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1392 ALIAS: 1964 ALIAS:
1393 aio_link = EIO_LINK 1965 aio_link = EIO_LINK
1394 aio_symlink = EIO_SYMLINK 1966 aio_symlink = EIO_SYMLINK
1395 aio_rename = EIO_RENAME 1967 aio_rename = EIO_RENAME
1396 PPCODE: 1968 PPCODE:
1397{ 1969{
1970 eio_wd wd2 = 0;
1398 dREQ; 1971 dREQ;
1399 eio_wd wd2;
1400 1972
1401 req->type = ix; 1973 req->type = ix;
1402 req_set_path1 (req, oldpath); 1974 req_set_path1 (req, oldpath);
1403 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1975 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1404 req->int3 = (long)wd2; 1976 req->int3 = (long)wd2;
1405 1977
1406 REQ_SEND; 1978 REQ_SEND;
1407} 1979}
1408 1980
1409void 1981void
1982aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1983 PPCODE:
1984{
1985 eio_wd wd2 = 0;
1986 dREQ;
1987
1988 req->type = EIO_RENAME;
1989 req_set_path1 (req, oldpath);
1990 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1991 req->int2 = flags;
1992 req->int3 = (long)wd2;
1993
1994 REQ_SEND;
1995}
1996
1997void
1410aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1998aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1411 PPCODE: 1999 PPCODE:
1412{ 2000{
1413 dREQ; 2001 dREQ;
1414 2002
1415 req->type = EIO_MKNOD; 2003 req->type = EIO_MKNOD;
… …
1419 2007
1420 REQ_SEND; 2008 REQ_SEND;
1421} 2009}
1422 2010
1423void 2011void
1424aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2012aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1425 ALIAS: 2013 ALIAS:
1426 aio_mtouch = EIO_MTOUCH 2014 aio_mtouch = EIO_MTOUCH
1427 aio_msync = EIO_MSYNC 2015 aio_msync = EIO_MSYNC
1428 PPCODE: 2016 PPCODE:
1429{ 2017{
1430 STRLEN svlen; 2018 STRLEN svlen;
1431 char *svptr = SvPVbyte (data, svlen); 2019 char *svptr = SvPVbyte (data, svlen);
1432 UV len = SvUV (length); 2020 UV len = SvUV (length);
2021
2022 if (flags < 0)
2023 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1433 2024
1434 if (offset < 0) 2025 if (offset < 0)
1435 offset += svlen; 2026 offset += svlen;
1436 2027
1437 if (offset < 0 || offset > svlen) 2028 if (offset < 0 || offset > svlen)
… …
1452 REQ_SEND; 2043 REQ_SEND;
1453 } 2044 }
1454} 2045}
1455 2046
1456void 2047void
1457aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2048aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1458 PPCODE: 2049 PPCODE:
1459{ 2050{
1460 STRLEN svlen; 2051 STRLEN svlen;
1461 char *svptr = SvPVbyte (data, svlen); 2052 char *svptr = SvPVbyte (data, svlen);
1462 UV len = SvUV (length); 2053 UV len = SvUV (length);
… …
1481 REQ_SEND; 2072 REQ_SEND;
1482 } 2073 }
1483} 2074}
1484 2075
1485void 2076void
1486aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2077aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1487 PPCODE: 2078 PPCODE:
1488{ 2079{
1489 dREQ; 2080 dREQ;
1490 2081
1491 req->type = EIO_MLOCKALL; 2082 req->type = EIO_MLOCKALL;
… …
1493 2084
1494 REQ_SEND; 2085 REQ_SEND;
1495} 2086}
1496 2087
1497void 2088void
2089aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2090 PPCODE:
2091{
2092 int fd = s_fileno_croak (fh, 0);
2093 dREQ;
2094
2095 req->type = EIO_CUSTOM;
2096 req->sv1 = newSVsv (fh);
2097 req->int1 = fd;
2098
2099 req->feed = fiemap;
2100#if HAVE_FIEMAP
2101 /* keep our fingers crossed that the next two types are 64 bit */
2102 req->offs = start;
2103 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2104 req->int2 = flags;
2105 req->int3 = SvOK (count) ? SvIV (count) : -1;
2106#endif
2107
2108 REQ_SEND;
2109}
2110
2111void
2112aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2113 PPCODE:
2114{
2115 char *svptr = 0;
2116
2117 sv_clear_foreign (data);
2118
2119 if (length) /* known length, directly read into scalar */
2120 {
2121 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2122 svptr = sv_grow (data, length + 1);
2123 else if (SvCUR (data) < length)
2124 croak ("length outside of scalar, and cannot grow");
2125 else
2126 svptr = SvPVbyte_nolen (data);
2127 }
2128
2129 {
2130 dREQ;
2131
2132 req->type = EIO_SLURP;
2133 req_set_path1 (req, pathname);
2134 req->offs = offset;
2135 req->size = length;
2136 req->sv2 = SvREFCNT_inc (data);
2137 req->ptr2 = svptr;
2138
2139 if (!SvREADONLY (data))
2140 {
2141 SvREADONLY_on (data);
2142 req->flags |= FLAG_SV2_RO_OFF;
2143 }
2144
2145 REQ_SEND;
2146 }
2147}
2148
2149void
1498aio_busy (double delay, SV *callback=&PL_sv_undef) 2150aio_busy (double delay, SV *callback = &PL_sv_undef)
1499 PPCODE: 2151 PPCODE:
1500{ 2152{
1501 dREQ; 2153 dREQ;
1502 2154
1503 req->type = EIO_BUSY; 2155 req->type = EIO_BUSY;
… …
1505 2157
1506 REQ_SEND; 2158 REQ_SEND;
1507} 2159}
1508 2160
1509void 2161void
1510aio_group (SV *callback=&PL_sv_undef) 2162aio_group (SV *callback = &PL_sv_undef)
1511 PPCODE: 2163 PPCODE:
1512{ 2164{
1513 dREQ; 2165 dREQ;
1514 2166
1515 req->type = EIO_GROUP; 2167 req->type = EIO_GROUP;
1516 2168
2169 PUTBACK;
1517 req_submit (req); 2170 req_submit (req);
2171 SPAGAIN;
2172
1518 XPUSHs (req_sv (req, aio_grp_stash)); 2173 XPUSHs (req_sv (req, aio_grp_stash));
1519} 2174}
1520 2175
1521void 2176void
1522aio_nop (SV *callback=&PL_sv_undef) 2177aio_nop (SV *callback = &PL_sv_undef)
1523 ALIAS: 2178 ALIAS:
1524 aio_nop = EIO_NOP 2179 aio_nop = EIO_NOP
1525 aio_sync = EIO_SYNC 2180 aio_sync = EIO_SYNC
1526 PPCODE: 2181 PPCODE:
1527{ 2182{
… …
1531 2186
1532 REQ_SEND; 2187 REQ_SEND;
1533} 2188}
1534 2189
1535int 2190int
1536aioreq_pri (int pri = 0) 2191aioreq_pri (int pri = NO_INIT)
1537 CODE: 2192 CODE:
1538 RETVAL = next_pri; 2193 RETVAL = next_pri;
1539 if (items > 0) 2194 if (items > 0)
1540 { 2195 {
1541 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2196 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1631 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2286 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1632 OUTPUT: 2287 OUTPUT:
1633 RETVAL 2288 RETVAL
1634 2289
1635void 2290void
1636mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2291mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1637 PPCODE: 2292 PPCODE:
1638 sv_unmagic (scalar, MMAP_MAGIC); 2293 sv_clear_foreign (scalar);
1639{ 2294{
1640 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2295 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1641 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2296 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1642 if (addr == (void *)-1) 2297 if (addr == (void *)-1)
1643 XSRETURN_NO; 2298 XSRETURN_NO;
1644 2299
1645 sv_force_normal (scalar); 2300 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1646
1647 /* we store the length in mg_obj, as namlen is I32 :/ */
1648 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1649 ->mg_obj = (SV *)length;
1650
1651 SvUPGRADE (scalar, SVt_PV); /* nop... */
1652 2301
1653 if (!(prot & PROT_WRITE)) 2302 if (!(prot & PROT_WRITE))
1654 SvREADONLY_on (scalar); 2303 SvREADONLY_on (scalar);
1655 2304
1656 if (SvLEN (scalar))
1657 Safefree (SvPVX (scalar));
1658
1659 SvPVX (scalar) = (char *)addr;
1660 SvCUR_set (scalar, length);
1661 SvLEN_set (scalar, 0);
1662 SvPOK_only (scalar);
1663
1664 XSRETURN_YES; 2305 XSRETURN_YES;
1665} 2306}
1666 2307
1667void 2308void
1668munmap (SV *scalar) 2309munmap (SV *scalar)
1669 CODE: 2310 CODE:
1670 sv_unmagic (scalar, MMAP_MAGIC); 2311 sv_clear_foreign (scalar);
2312
2313SV *
2314mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2315 CODE:
2316{
2317 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2318 void *new;
2319
2320 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2321 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2322
2323 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2324
2325 RETVAL = &PL_sv_no;
2326
2327 if (new != (void *)-1)
2328 {
2329 RETVAL = new == (void *)mg->mg_ptr
2330 ? newSVpvn ("0 but true", 10)
2331 : &PL_sv_yes;
2332
2333 mg->mg_ptr = (char *)new;
2334 mg->mg_obj = (SV *)new_length;
2335
2336 SvPVX (scalar) = mg->mg_ptr;
2337 SvCUR_set (scalar, new_length);
2338 }
2339}
2340 OUTPUT:
2341 RETVAL
1671 2342
1672int 2343int
1673madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2344madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1674 ALIAS: 2345 ALIAS:
1675 mprotect = 1 2346 mprotect = 1
1676 CODE: 2347 CODE:
1677{ 2348{
1678 STRLEN svlen; 2349 STRLEN svlen;
1679 void *addr = SvPVbyte (scalar, svlen); 2350 void *addr = SvPVbyte (scalar, svlen);
1680 size_t len = SvUV (length); 2351 STRLEN len = SvUV (length);
1681 2352
1682 if (offset < 0) 2353 if (offset < 0)
1683 offset += svlen; 2354 offset += svlen;
1684 2355
1685 if (offset < 0 || offset > svlen) 2356 if (offset < 0 || offset > svlen)
… …
1699} 2370}
1700 OUTPUT: 2371 OUTPUT:
1701 RETVAL 2372 RETVAL
1702 2373
1703int 2374int
1704munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2375munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1705 CODE: 2376 CODE:
1706{ 2377{
1707 STRLEN svlen; 2378 STRLEN svlen;
1708 void *addr = SvPVbyte (scalar, svlen); 2379 void *addr = SvPVbyte (scalar, svlen);
1709 size_t len = SvUV (length); 2380 size_t len = SvUV (length);
1710 2381
1711 if (offset < 0) 2382 if (offset < 0)
1712 offset += svlen; 2383 offset += svlen;
1713 2384
… …
1720 addr = (void *)(((intptr_t)addr) + offset); 2391 addr = (void *)(((intptr_t)addr) + offset);
1721 eio_page_align (&addr, &len); 2392 eio_page_align (&addr, &len);
1722#if _POSIX_MEMLOCK_RANGE 2393#if _POSIX_MEMLOCK_RANGE
1723 RETVAL = munlock (addr, len); 2394 RETVAL = munlock (addr, len);
1724#else 2395#else
1725 RETVAL = ((errno = ENOSYS), -1); 2396 RETVAL = EIO_ENOSYS ();
1726#endif 2397#endif
1727} 2398}
1728 OUTPUT: 2399 OUTPUT:
2400 RETVAL
2401
2402int
2403mlockall (int flags)
2404 PROTOTYPE: $;
2405 CODE:
2406 RETVAL = eio_mlockall_sync (flags);
2407 OUTPUT:
1729 RETVAL 2408 RETVAL
1730 2409
1731int 2410int
1732munlockall () 2411munlockall ()
1733 CODE: 2412 CODE:
1734#if _POSIX_MEMLOCK 2413#if _POSIX_MEMLOCK
1735 munlockall (); 2414 munlockall ();
1736#else 2415#else
1737 RETVAL = -1; 2416 RETVAL = EIO_ENOSYS ();
1738 errno = ENOSYS;
1739#endif 2417#endif
1740 OUTPUT: 2418 OUTPUT:
1741 RETVAL 2419 RETVAL
2420
2421int
2422statx (SV8 *pathname, int flags, UV mask)
2423 CODE:
2424{
2425 /* undocumented, and might go away, and anyway, should use eio_statx */
2426 SV *wdsv = 0;
2427 SV *pathsv = 0;
2428 eio_wd wd = EIO_CWD;
2429 void *ptr;
2430 int res;
2431
2432 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2433 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2434
2435 SvREFCNT_dec (pathsv);
2436 SvREFCNT_dec (wdsv);
2437}
2438 OUTPUT:
2439 RETVAL
2440
2441U32
2442stx_mode ()
2443 PROTOTYPE:
2444 CODE:
2445#if HAVE_STATX
2446 RETVAL = stx.stx_mode;
2447#else
2448 XSRETURN_UNDEF;
2449#endif
2450 OUTPUT:
2451 RETVAL
2452
2453#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2454#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2455#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2456#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2457#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2458#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2459#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2460#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2461#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2462#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2463#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2464#define STATX_OFFSET_size statx_offsetof (stx_size)
2465#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2466#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2467#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2468#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2469#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2470#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2471
2472U32
2473stx_mask ()
2474 PROTOTYPE:
2475 ALIAS:
2476 stx_mask = STATX_OFFSET_mask
2477 stx_blksize = STATX_OFFSET_blksize
2478 stx_nlink = STATX_OFFSET_nlink
2479 stx_uid = STATX_OFFSET_uid
2480 stx_gid = STATX_OFFSET_gid
2481 stx_rdev_major = STATX_OFFSET_rdev_major
2482 stx_rdev_minor = STATX_OFFSET_rdev_minor
2483 stx_dev_major = STATX_OFFSET_dev_major
2484 stx_dev_minor = STATX_OFFSET_dev_minor
2485 CODE:
2486#if HAVE_STATX
2487 RETVAL = *(__u32 *)((char *)&stx + ix);
2488#else
2489 XSRETURN_UNDEF;
2490#endif
2491 OUTPUT:
2492 RETVAL
2493
2494VAL64
2495stx_attributes ()
2496 PROTOTYPE:
2497 ALIAS:
2498 stx_attributes = STATX_OFFSET_attributes
2499 stx_ino = STATX_OFFSET_ino
2500 stx_size = STATX_OFFSET_size
2501 stx_blocks = STATX_OFFSET_blocks
2502 stx_attributes_mask = STATX_OFFSET_attributes_mask
2503 CODE:
2504#if HAVE_STATX
2505 RETVAL = *(__u64 *)((char *)&stx + ix);
2506#else
2507 XSRETURN_UNDEF;
2508#endif
2509 OUTPUT:
2510 RETVAL
2511
2512NV
2513stx_atime ()
2514 PROTOTYPE:
2515 ALIAS:
2516 stx_atime = STATX_OFFSET_atime
2517 stx_btime = STATX_OFFSET_btime
2518 stx_ctime = STATX_OFFSET_ctime
2519 stx_mtime = STATX_OFFSET_mtime
2520 CODE:
2521#if HAVE_STATX
2522 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2523 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2524#else
2525 XSRETURN_UNDEF;
2526#endif
2527 OUTPUT:
2528 RETVAL
2529
2530VAL64
2531stx_atimesec ()
2532 PROTOTYPE:
2533 ALIAS:
2534 stx_atimesec = STATX_OFFSET_atime
2535 stx_btimesec = STATX_OFFSET_btime
2536 stx_ctimesec = STATX_OFFSET_ctime
2537 stx_mtimesec = STATX_OFFSET_mtime
2538 CODE:
2539#if HAVE_STATX
2540 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2541 RETVAL = ts->tv_sec;
2542#else
2543 XSRETURN_UNDEF;
2544#endif
2545 OUTPUT:
2546 RETVAL
2547
2548U32
2549stx_atimensec ()
2550 PROTOTYPE:
2551 ALIAS:
2552 stx_atimensec = STATX_OFFSET_atime
2553 stx_btimensec = STATX_OFFSET_btime
2554 stx_ctimensec = STATX_OFFSET_ctime
2555 stx_mtimensec = STATX_OFFSET_mtime
2556 CODE:
2557#if HAVE_STATX
2558 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2559 RETVAL = ts->tv_nsec;
2560#else
2561 RETVAL = 0;
2562#endif
2563 OUTPUT:
2564 RETVAL
2565
2566void
2567accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2568 PPCODE:
2569{
2570 SV *retval;
2571#if HAVE_ACCEPT4
2572 socklen_t salen_ = salen ? salen + 1 : 0;
2573
2574 if (salen)
2575 {
2576 sv_upgrade (sockaddr, SVt_PV);
2577 sv_grow (sockaddr, salen_);
2578 }
2579
2580 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2581
2582 retval = newmortalFH (res, O_RDWR);
2583
2584 if (res >= 0 && salen > 0)
2585 {
2586 if (salen_ > salen + 1)
2587 salen_ = salen + 1;
2588
2589 SvPOK_only (sockaddr);
2590 SvCUR_set (sockaddr, salen_);
2591 }
2592#else
2593 errno = ENOSYS;
2594 retval = &PL_sv_undef;
2595#endif
2596 XPUSHs (retval);
2597}
2598
2599ssize_t
2600splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2601 CODE:
2602{
2603#if HAVE_LINUX_SPLICE
2604 loff_t off_in_, off_out_;
2605 RETVAL = splice (
2606 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2607 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2608 length, flags
2609 );
2610#else
2611 RETVAL = EIO_ENOSYS ();
2612#endif
2613}
2614 OUTPUT:
2615 RETVAL
2616
2617ssize_t
2618tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2619 CODE:
2620#if HAVE_LINUX_SPLICE
2621 RETVAL = tee (rfh, wfh, length, flags);
2622#else
2623 RETVAL = EIO_ENOSYS ();
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628int
2629pipesize (aio_rfd rfh, int new_size = -1)
2630 PROTOTYPE: $;$
2631 CODE:
2632#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2633 if (new_size >= 0)
2634 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2635 else
2636 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2637#else
2638 errno = ENOSYS;
2639 RETVAL = -1;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644void
2645pipe2 (int flags = 0)
2646 PROTOTYPE: ;$
2647 PPCODE:
2648{
2649 int fd[2];
2650 int res;
2651
2652 if (flags)
2653#if HAVE_PIPE2
2654 res = pipe2 (fd, flags);
2655#else
2656 res = (errno = ENOSYS, -1);
2657#endif
2658 else
2659 res = pipe (fd);
2660
2661 if (!res)
2662 {
2663 EXTEND (SP, 2);
2664 PUSHs (newmortalFH (fd[0], O_RDONLY));
2665 PUSHs (newmortalFH (fd[1], O_WRONLY));
2666 }
2667}
2668
2669void
2670pidfd_open (int pid, unsigned int flags = 0)
2671 PPCODE:
2672{
2673 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2674 int fd = syscall (SYS_pidfd_open, pid, flags);
2675 XPUSHs (newmortalFH (fd, O_RDWR));
2676}
2677
2678int
2679pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2680 PPCODE:
2681{
2682 int res;
2683 siginfo_t si = { 0 };
2684
2685 if (SvOK (siginfo))
2686 {
2687 HV *hv;
2688 SV **svp;
2689
2690 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2691 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2692
2693 hv = (HV *)SvRV (siginfo);
2694
2695 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2696 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2697 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2698 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2699 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2700 }
2701
2702 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2703 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2704
2705 XPUSHs (sv_2mortal (newSViv (res)));
2706}
2707
2708void
2709pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2710 PPCODE:
2711{
2712 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2713 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2714 XPUSHs (newmortalFH (fd, O_RDWR));
2715}
2716
2717void
2718eventfd (unsigned int initval = 0, int flags = 0)
2719 PPCODE:
2720{
2721 int fd;
2722#if HAVE_EVENTFD
2723 fd = eventfd (initval, flags);
2724#else
2725 fd = (errno = ENOSYS, -1);
2726#endif
2727
2728 XPUSHs (newmortalFH (fd, O_RDWR));
2729}
2730
2731void
2732timerfd_create (int clockid, int flags = 0)
2733 PPCODE:
2734{
2735 int fd;
2736#if HAVE_TIMERFD
2737 fd = timerfd_create (clockid, flags);
2738#else
2739 fd = (errno = ENOSYS, -1);
2740#endif
2741
2742 XPUSHs (newmortalFH (fd, O_RDWR));
2743}
2744
2745void
2746timerfd_settime (SV *fh, int flags, NV interval, NV value)
2747 PPCODE:
2748{
2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2751 int res;
2752 struct itimerspec its, ots;
2753
2754 ts_set (&its.it_interval, interval);
2755 ts_set (&its.it_value , value);
2756 res = timerfd_settime (fd, flags, &its, &ots);
2757
2758 if (!res)
2759 {
2760 EXTEND (SP, 2);
2761 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2762 PUSHs (newSVnv (ts_get (&ots.it_value)));
2763 }
2764#else
2765 errno = ENOSYS;
2766#endif
2767}
2768
2769void
2770timerfd_gettime (SV *fh)
2771 PPCODE:
2772{
2773 int fd = s_fileno_croak (fh, 0);
2774#if HAVE_TIMERFD
2775 int res;
2776 struct itimerspec ots;
2777 res = timerfd_gettime (fd, &ots);
2778
2779 if (!res)
2780 {
2781 EXTEND (SP, 2);
2782 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2783 PUSHs (newSVnv (ts_get (&ots.it_value)));
2784 }
2785#else
2786 errno = ENOSYS;
2787#endif
2788}
2789
2790void
2791memfd_create (SV8 *pathname, int flags = 0)
2792 PPCODE:
2793{
2794 int fd;
2795#if HAVE_MEMFD_CREATE
2796 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2797#else
2798 fd = (errno = ENOSYS, -1);
2799#endif
2800
2801 XPUSHs (newmortalFH (fd, O_RDWR));
2802}
2803
2804UV
2805get_fdlimit ()
2806 CODE:
2807#if HAVE_RLIMITS
2808 struct rlimit rl;
2809 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2810 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2811#endif
2812 XSRETURN_UNDEF;
2813 OUTPUT:
2814 RETVAL
2815
2816void
2817min_fdlimit (UV limit = 0x7fffffffU)
2818 CODE:
2819{
2820#if HAVE_RLIMITS
2821 struct rlimit rl;
2822 rlim_t orig_rlim_max;
2823 UV bit;
2824
2825 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2826 goto fail;
2827
2828 if (rl.rlim_cur == RLIM_INFINITY)
2829 XSRETURN_YES;
2830
2831 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2832
2833 if (rl.rlim_cur < limit)
2834 {
2835 rl.rlim_cur = limit;
2836
2837 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2838 rl.rlim_max = rl.rlim_cur;
2839 }
2840
2841 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2842 XSRETURN_YES;
2843
2844 if (errno == EPERM)
2845 {
2846 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2847 /* our limit overflows a system-wide limit */
2848 /* try an adaptive algorithm, but do not lower the hardlimit */
2849 rl.rlim_max = 0;
2850 for (bit = 0x40000000U; bit; bit >>= 1)
2851 {
2852 rl.rlim_max |= bit;
2853 rl.rlim_cur = rl.rlim_max;
2854
2855 /* never decrease the hard limit */
2856 if (rl.rlim_max < orig_rlim_max)
2857 break;
2858
2859 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2860 rl.rlim_max &= ~bit; /* too high, remove bit again */
2861 }
2862
2863 /* now, raise the soft limit to the max permitted */
2864 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2865 {
2866 rl.rlim_cur = rl.rlim_max;
2867 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2868 errno = EPERM;
2869 }
2870 }
2871#endif
2872 fail:
2873 XSRETURN_UNDEF;
2874}
1742 2875
1743void _on_next_submit (SV *cb) 2876void _on_next_submit (SV *cb)
1744 CODE: 2877 CODE:
1745 SvREFCNT_dec (on_next_submit); 2878 SvREFCNT_dec (on_next_submit);
1746 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2879 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1759DESTROY (SV *self) 2892DESTROY (SV *self)
1760 CODE: 2893 CODE:
1761{ 2894{
1762 aio_wd wd = SvAIO_WD (self); 2895 aio_wd wd = SvAIO_WD (self);
1763#if HAVE_AT 2896#if HAVE_AT
2897 {
1764 SV *callback = &PL_sv_undef; 2898 SV *callback = &PL_sv_undef;
1765 dREQ; /* clobbers next_pri :/ */ 2899 dREQ; /* clobbers next_pri :/ */
2900 next_pri = req->pri; /* restore next_pri */
2901 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1766 req->type = EIO_WD_CLOSE; 2902 req->type = EIO_WD_CLOSE;
1767 req->wd = wd; 2903 req->wd = wd;
1768 REQ_SEND; 2904 REQ_SEND;
2905 }
1769#else 2906#else
1770 eio_wd_close_sync (wd); 2907 eio_wd_close_sync (wd);
1771#endif 2908#endif
1772} 2909}
1773 2910
… …
1777cancel (aio_req_ornot req) 2914cancel (aio_req_ornot req)
1778 CODE: 2915 CODE:
1779 eio_cancel (req); 2916 eio_cancel (req);
1780 2917
1781void 2918void
1782cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2919cb (aio_req_ornot req, SV *callback = NO_INIT)
1783 PPCODE: 2920 PPCODE:
1784{ 2921{
1785 if (GIMME_V != G_VOID) 2922 if (GIMME_V != G_VOID)
1786 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2923 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1787 2924
1788 if (items > 1) 2925 if (items > 1)
1789 { 2926 {
1790 SV *cb_cv =get_cb (callback); 2927 SV *cb_cv = get_cb (callback);
1791 2928
1792 SvREFCNT_dec (req->callback); 2929 SvREFCNT_dec (req->callback);
1793 req->callback = SvREFCNT_inc (cb_cv); 2930 req->callback = SvREFCNT_inc (cb_cv);
1794 } 2931 }
1795} 2932}
… …
1852limit (aio_req grp, int limit) 2989limit (aio_req grp, int limit)
1853 CODE: 2990 CODE:
1854 eio_grp_limit (grp, limit); 2991 eio_grp_limit (grp, limit);
1855 2992
1856void 2993void
1857feed (aio_req grp, SV *callback=&PL_sv_undef) 2994feed (aio_req grp, SV *callback = &PL_sv_undef)
1858 CODE: 2995 CODE:
1859{ 2996{
1860 SvREFCNT_dec (grp->sv2); 2997 SvREFCNT_dec (grp->sv2);
1861 grp->sv2 = newSVsv (callback); 2998 grp->sv2 = newSVsv (callback);
1862 grp->feed = aio_grp_feed; 2999 grp->feed = aio_grp_feed;

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