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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.157 by root, Sat Jan 2 12:58:37 2010 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
24/* the incompetent fool that created musl keeps __linux__, refuses
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
36#endif
37
20/* perl namespace pollution */ 38/* perl namespace pollution */
21#undef VERSION 39#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 40
72/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
74#undef readdir 43#undef readdir
75#undef opendir 44#undef opendir
76#undef closedir 45#undef closedir
77 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
79 84
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 85#else
86# define VAL64 NV 86
87# define SvVAL64 SvNV 87 #include <sys/time.h>
88# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <sys/wait.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
89#endif 96#endif
90 97
91/*****************************************************************************/ 98/*****************************************************************************/
92 99
93#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
101 108
102/*****************************************************************************/ 109/*****************************************************************************/
103 110
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
172
104typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
107 176
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 178
110#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
111 SV *callback; \ 180 SV *callback; \
112 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
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/eio.h" 188#include "libeio/eio.h"
119
120#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0
127#endif
128
129#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0
131#endif
132
133#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0
135#endif
136
137#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0
139#endif
140
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 189
145static int req_invoke (eio_req *req); 190static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 191#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 192static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 193#define EIO_DESTROY(req) req_destroy (req)
149 194
195#include "libeio/eio.c"
196
197#if !HAVE_POSIX_FADVISE
198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
199#endif
200
201#if !HAVE_POSIX_MADVISE
202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
203#endif
204
205#ifndef MAP_ANONYMOUS
206# ifdef MAP_ANON
207# define MAP_ANONYMOUS MAP_ANON
208# else
209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
210# endif
211#endif
212
213#ifndef makedev
214# define makedev(maj,min) (((maj) << 8) | (min))
215#endif
216#ifndef major
217# define major(dev) ((dev) >> 8)
218#endif
219#ifndef minor
220# define minor(dev) ((dev) & 0xff)
221#endif
222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
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()
449#endif
450
150enum { 451enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 452 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 453};
153 454
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 455typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 456typedef eio_req *aio_req_ornot;
457typedef eio_wd aio_wd;
158 458
159static SV *on_next_submit; 459static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 460static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 461static int max_outstanding;
162 462
163static s_epipe respipe; 463static s_epipe respipe;
164 464
165static void req_destroy (aio_req req); 465static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 466static void req_cancel (aio_req req);
167 467
168static void want_poll (void) 468static void
469want_poll (void)
169{ 470{
170 /* write a dummy byte to the pipe so fh becomes ready */ 471 /* write a dummy byte to the pipe so fh becomes ready */
171 s_epipe_signal (&respipe); 472 s_epipe_signal (&respipe);
172} 473}
173 474
174static void done_poll (void) 475static void
476done_poll (void)
175{ 477{
176 /* read any signals sent by the worker threads */ 478 /* read any signals sent by the worker threads */
177 s_epipe_drain (&respipe); 479 s_epipe_drain (&respipe);
178} 480}
179 481
180/* must be called at most once */ 482/* must be called at most once */
483ecb_noinline
484static SV *
181static SV *req_sv (aio_req req, HV *stash) 485req_sv (aio_req req, HV *stash)
182{ 486{
183 if (!req->self) 487 if (!req->self)
184 { 488 {
185 req->self = (SV *)newHV (); 489 req->self = (SV *)newHV ();
186 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 490 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
187 } 491 }
188 492
189 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 493 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
190} 494}
191 495
192static 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)
193{ 505{
194 MAGIC *mg; 506 MAGIC *mg;
195 507
196 if (!SvROK (sv) 508 if (!SvROK (sv)
509 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
197 || (SvSTASH (SvRV (sv)) != aio_grp_stash 510 || (SvSTASH (SvRV (sv)) != aio_grp_stash
198 && SvSTASH (SvRV (sv)) != aio_req_stash 511 && SvSTASH (SvRV (sv)) != aio_req_stash
199 && !sv_derived_from (sv, "IO::AIO::REQ"))) 512 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class IO::AIO::REQ expected"); 513 croak ("object of class IO::AIO::REQ expected");
201 514
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 515 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 516
204 return mg ? (aio_req)mg->mg_ptr : 0; 517 return mg ? (aio_req)mg->mg_ptr : 0;
205} 518}
206 519
520static aio_wd
521SvAIO_WD (SV *sv)
522{
523 if (!SvROK (sv)
524 || SvTYPE (SvRV (sv)) != SVt_PVMG
525 || SvSTASH (SvRV (sv)) != aio_wd_stash)
526 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
527
528 return (aio_wd)(long)SvIVX (SvRV (sv));
529}
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
207static void aio_grp_feed (aio_req grp) 557aio_grp_feed (aio_req grp)
208{ 558{
209 if (grp->sv2 && SvOK (grp->sv2)) 559 if (grp->sv2 && SvOK (grp->sv2))
210 { 560 {
211 dSP; 561 dSP;
212 562
… …
220 FREETMPS; 570 FREETMPS;
221 LEAVE; 571 LEAVE;
222 } 572 }
223} 573}
224 574
575ecb_noinline
576static void
225static void req_submit (eio_req *req) 577req_submit (eio_req *req)
226{ 578{
227 eio_submit (req); 579 eio_submit (req);
228 580
229 if (expect_false (on_next_submit)) 581 if (expect_false (on_next_submit))
230 { 582 {
… …
237 PUTBACK; 589 PUTBACK;
238 call_sv (cb, G_DISCARD | G_EVAL); 590 call_sv (cb, G_DISCARD | G_EVAL);
239 } 591 }
240} 592}
241 593
594static int
242static int req_invoke (eio_req *req) 595req_invoke (eio_req *req)
243{ 596{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 597 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 598 SvREADONLY_off (req->sv2);
248 599
249 if (!EIO_CANCELLED (req) && req->callback) 600 if (!EIO_CANCELLED (req) && req->callback)
250 { 601 {
602 dSP;
603 static SV *sv_result_cache; /* caches the result integer SV */
604 SV *sv_result;
605
251 ENTER; 606 ENTER;
252 SAVETMPS; 607 SAVETMPS;
253 PUSHMARK (SP); 608 PUSHMARK (SP);
254 EXTEND (SP, 1); 609 EXTEND (SP, 1);
255 610
611 /* do not recreate the result IV from scratch each time */
612 if (expect_true (sv_result_cache))
613 {
614 sv_result = sv_result_cache; sv_result_cache = 0;
615 SvIV_set (sv_result, req->result);
616 SvIOK_only (sv_result);
617 }
618 else
619 {
620 sv_result = newSViv (req->result);
621 SvREADONLY_on (sv_result);
622 }
623
256 switch (req->type) 624 switch (req->type)
257 { 625 {
626 case EIO_WD_OPEN:
627 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
628 break;
629
258 case EIO_READDIR: 630 case EIO_READDIR:
259 { 631 {
260 SV *rv = &PL_sv_undef; 632 SV *rv = &PL_sv_undef;
261 633
262 if (req->result >= 0) 634 if (req->result >= 0)
… …
315 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))));
316 } 688 }
317 break; 689 break;
318 690
319 case EIO_OPEN: 691 case EIO_OPEN:
692 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
693 break;
694
695 case EIO_STATVFS:
696 case EIO_FSTATVFS:
320 { 697 {
321 /* convert fd to fh */
322 SV *fh = &PL_sv_undef; 698 SV *rv = &PL_sv_undef;
323 699
700#ifndef _WIN32
324 if (req->result >= 0) 701 if (req->result >= 0)
325 { 702 {
703 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326 GV *gv = (GV *)sv_newmortal (); 704 HV *hv = newHV ();
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 705 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328 char sym [64]; 706 * chooses to make it a struct.
329 int symlen;
330 707 */
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 708 unsigned long fsid = 0;
332 gv_init (gv, aio_stash, sym, symlen, 0); 709 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333 710
334 symlen = snprintf ( 711 rv = sv_2mortal (newRV_noinc ((SV *)hv));
335 sym,
336 sizeof (sym),
337 "%s&=%d",
338 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339 (int)req->result
340 );
341 712
342 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 713 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343 fh = (SV *)gv; 714 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
715 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
716 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
717 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
718 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
719 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
720 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
721 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
722 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
723 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344 } 724 }
725#endif
345 726
346 PUSHs (fh); 727 PUSHs (rv);
347 } 728 }
729
348 break; 730 break;
349 731
350 case EIO_GROUP: 732 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 733 req->int1 = 2; /* mark group as finished */
352 734
… …
364 case EIO_NOP: 746 case EIO_NOP:
365 case EIO_BUSY: 747 case EIO_BUSY:
366 break; 748 break;
367 749
368 case EIO_READLINK: 750 case EIO_READLINK:
751 case EIO_REALPATH:
369 if (req->result > 0) 752 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 753 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 754 break;
372 755
373 case EIO_STAT: 756 case EIO_STAT:
374 case EIO_LSTAT: 757 case EIO_LSTAT:
375 case EIO_FSTAT: 758 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 759 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
760
377 PL_laststatval = req->result; 761 if (!(PL_laststatval = req->result))
762 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 763 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 764
765 PUSHs (sv_result);
766 break;
767
768 case EIO_SEEK:
769 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380 break; 770 break;
381 771
382 case EIO_READ: 772 case EIO_READ:
383 { 773 {
384 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));
385 *SvEND (req->sv2) = 0; 775 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 776 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 777 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 778 PUSHs (sv_result);
389 } 779 }
390 break; 780 break;
391 781
392 case EIO_DUP2: 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
852 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 853 if (req->result > 0)
394 req->result = 0; 854 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
396 856
397 default: 857 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 858 PUSHs (sv_result);
399 break; 859 break;
400 } 860 }
401 861
402 errno = req->errorno; 862 errno = req->errorno;
403 863
404 PUTBACK; 864 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 865 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 866 SPAGAIN;
407 867
868 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
869 SvREFCNT_dec (sv_result);
870 else
871 sv_result_cache = sv_result;
872
408 FREETMPS; 873 FREETMPS;
409 LEAVE; 874 LEAVE;
410 875
411 PUTBACK; 876 PUTBACK;
412 } 877 }
413 878
414 return !!SvTRUE (ERRSV); 879 return !!SvTRUE (ERRSV);
415} 880}
416 881
882static void
417static void req_destroy (aio_req req) 883req_destroy (aio_req req)
418{ 884{
419 if (req->self) 885 if (req->self)
420 { 886 {
421 sv_unmagic (req->self, PERL_MAGIC_ext); 887 sv_unmagic (req->self, PERL_MAGIC_ext);
422 SvREFCNT_dec (req->self); 888 SvREFCNT_dec (req->self);
423 } 889 }
424 890
425 SvREFCNT_dec (req->sv1); 891 SvREFCNT_dec (req->sv1);
426 SvREFCNT_dec (req->sv2); 892 SvREFCNT_dec (req->sv2);
893 SvREFCNT_dec (req->sv3);
894 SvREFCNT_dec (req->sv4);
427 SvREFCNT_dec (req->callback); 895 SvREFCNT_dec (req->callback);
428 896
429 Safefree (req); 897 free (req);
430} 898}
431 899
900static void
432static void req_cancel_subs (aio_req grp) 901req_cancel_subs (aio_req grp)
433{ 902{
434 aio_req sub;
435
436 if (grp->type != EIO_GROUP) 903 if (grp->type != EIO_GROUP)
437 return; 904 return;
438 905
439 SvREFCNT_dec (grp->sv2); 906 SvREFCNT_dec (grp->sv2);
440 grp->sv2 = 0; 907 grp->sv2 = 0;
441 908
442 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
443} 910}
444 911
912ecb_cold
445static void 913static void
446create_respipe (void) 914create_respipe (void)
447{ 915{
448 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
449 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
450} 918}
451 919
452static void poll_wait (void) 920static void
921poll_wait (void)
453{ 922{
454 while (eio_nreqs ()) 923 while (eio_nreqs ())
455 { 924 {
456 int size; 925 int size;
457 926
458 X_LOCK (reslock); 927 X_LOCK (EIO_POOL->reslock);
459 size = res_queue.size; 928 size = EIO_POOL->res_queue.size;
460 X_UNLOCK (reslock); 929 X_UNLOCK (EIO_POOL->reslock);
461 930
462 if (size) 931 if (size)
463 return; 932 return;
464 933
465 etp_maybe_start_thread (); 934 etp_maybe_start_thread (EIO_POOL);
466 935
467 s_epipe_wait (&respipe); 936 s_epipe_wait (&respipe);
468 } 937 }
469} 938}
470 939
471static int poll_cb (void) 940static int
941poll_cb (void)
472{ 942{
473 for (;;) 943 for (;;)
474 { 944 {
475 int res = eio_poll (); 945 int res = eio_poll ();
476 946
… …
482 952
483 poll_wait (); 953 poll_wait ();
484 } 954 }
485} 955}
486 956
487static void atfork_child (void) 957ecb_cold
958static void
959reinit (void)
488{ 960{
489 create_respipe (); 961 create_respipe ();
962
963 if (eio_init (want_poll, done_poll) < 0)
964 croak ("IO::AIO: unable to initialise eio library");
490} 965}
966
967/*****************************************************************************/
491 968
492static SV * 969static SV *
493get_cb (SV *cb_sv) 970get_cb (SV *cb_sv)
494{ 971{
495 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
496 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497} 974}
498 975
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
499#define dREQ \ 997#define dREQ \
500 SV *cb_cv; \ 998 aio_req req = dreq (callback); \
501 aio_req req; \
502 int req_pri = next_pri; \
503 next_pri = EIO_PRI_DEFAULT; \
504 \
505 cb_cv = get_cb (callback); \
506 \
507 Newz (0, req, 1, eio_req); \
508 if (!req) \
509 croak ("out of memory during eio_req allocation"); \
510 \
511 req->callback = SvREFCNT_inc (cb_cv); \
512 req->pri = req_pri
513 999
514#define REQ_SEND \ 1000#define REQ_SEND \
515 PUTBACK; \ 1001 PUTBACK; \
516 req_submit (req); \ 1002 req_submit (req); \
517 SPAGAIN; \ 1003 SPAGAIN; \
518 \ 1004 \
519 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
520 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
521 1007
1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1009ecb_inline
1010void
1011req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1012{
1013 if (expect_false (SvROK (path)))
1014 {
1015 SV *rv = SvRV (path);
1016 SV *wdob;
1017
1018 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1019 {
1020 path = AvARRAY (rv)[1];
1021 wdob = AvARRAY (rv)[0];
1022
1023 if (SvOK (wdob))
1024 {
1025 *wd = SvAIO_WD (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");
1040 }
1041
1042 *pathsv = newSVsv (path);
1043 *ptr = SvPVbyte_nolen (*pathsv);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_path1 (aio_req req, SV *path)
1049{
1050 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1051}
1052
1053ecb_noinline
1054static void
1055req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1056{
1057 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1058
1059 switch (SvTYPE (rv))
1060 {
1061 case SVt_PVIO:
1062 case SVt_PVLV:
1063 case SVt_PVGV:
1064 req->type = type_fh;
1065 req->sv1 = newSVsv (fh_or_path);
1066 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1067 break;
1068
1069 default:
1070 req->type = type_path;
1071 req_set_path1 (req, fh_or_path);
1072 break;
1073 }
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;
1094
522MODULE = IO::AIO PACKAGE = IO::AIO 1095MODULE = IO::AIO PACKAGE = IO::AIO
523 1096
524PROTOTYPES: ENABLE 1097PROTOTYPES: ENABLE
525 1098
526BOOT: 1099BOOT:
527{ 1100{
528 static const struct { 1101 static const struct {
529 const char *name; 1102 const char *name;
530 IV iv; 1103 IV iv;
531 } *civ, const_iv[] = { 1104 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 1105# define const_niv(name, value) { # name, (IV) value },
1106# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 1107# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 1108
1109 /* you have to re-run ./gendef0 after adding/removing any constants here */
1110 /* the first block can be undef if missing */
535 const_iv (ENOSYS , ENOSYS) 1111 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 1112 const_iv (EXDEV)
537 const_iv (O_WRONLY, O_WRONLY) 1113 const_iv (EBADR)
538 const_iv (O_CREAT , O_CREAT) 1114
539 const_iv (O_TRUNC , O_TRUNC) 1115 /* for lseek */
540#ifndef _WIN32 1116 const_iv (SEEK_DATA)
541 const_iv (S_IFIFO , S_IFIFO) 1117 const_iv (SEEK_HOLE)
542#endif 1118
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1119 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1120 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1121 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1122 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1123 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 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
1135 const_iv (O_RDONLY)
1136 const_iv (O_WRONLY)
1137 const_iv (O_RDWR)
1138 const_iv (O_CREAT)
1139 const_iv (O_TRUNC)
1140 const_iv (O_EXCL)
1141 const_iv (O_APPEND)
1142
1143 const_iv (O_ASYNC)
1144 const_iv (O_DIRECT)
1145 const_iv (O_NOATIME)
1146
1147 const_iv (O_CLOEXEC)
1148 const_iv (O_NOCTTY)
1149 const_iv (O_NOFOLLOW)
1150 const_iv (O_NONBLOCK)
1151 const_iv (O_EXEC)
1152 const_iv (O_SEARCH)
1153 const_iv (O_DIRECTORY)
1154 const_iv (O_DSYNC)
1155 const_iv (O_RSYNC)
1156 const_iv (O_SYNC)
1157 const_iv (O_PATH)
1158 const_iv (O_TMPFILE)
1159 const_iv (O_TTY_INIT)
1160
1161 const_iv (S_IFIFO)
1162 const_iv (S_IFCHR)
1163 const_iv (S_IFBLK)
1164 const_iv (S_IFLNK)
1165 const_iv (S_IFREG)
1166 const_iv (S_IFDIR)
1167 const_iv (S_IFWHT)
1168 const_iv (S_IFSOCK)
1169 const_iv (S_IFMT)
1170
1171 const_iv (ST_RDONLY)
1172 const_iv (ST_NOSUID)
1173 const_iv (ST_NODEV)
1174 const_iv (ST_NOEXEC)
1175 const_iv (ST_SYNCHRONOUS)
1176 const_iv (ST_MANDLOCK)
1177 const_iv (ST_WRITE)
1178 const_iv (ST_APPEND)
1179 const_iv (ST_IMMUTABLE)
1180 const_iv (ST_NOATIME)
1181 const_iv (ST_NODIRATIME)
1182 const_iv (ST_RELATIME)
1183
1184 const_iv (PROT_NONE)
1185 const_iv (PROT_EXEC)
1186 const_iv (PROT_READ)
1187 const_iv (PROT_WRITE)
1188
1189 const_iv (MAP_PRIVATE)
1190 const_iv (MAP_SHARED)
1191 const_iv (MAP_FIXED)
1192 const_iv (MAP_ANONYMOUS)
1193
1194 /* linuxish */
1195 const_iv (MAP_LOCKED)
1196 const_iv (MAP_NORESERVE)
1197 const_iv (MAP_POPULATE)
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)
1380
1381 const_eio (MCL_FUTURE)
1382 const_eio (MCL_CURRENT)
1383 const_eio (MCL_ONFAULT)
1384
1385 const_eio (MS_ASYNC)
1386 const_eio (MS_INVALIDATE)
1387 const_eio (MS_SYNC)
1388
1389 const_eio (MT_MODIFY)
549 1390
550 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1391 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
551 const_eio (SYNC_FILE_RANGE_WRITE) 1392 const_eio (SYNC_FILE_RANGE_WRITE)
552 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1393 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1394
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)
553 1405
554 const_eio (READDIR_DENTS) 1406 const_eio (READDIR_DENTS)
555 const_eio (READDIR_DIRS_FIRST) 1407 const_eio (READDIR_DIRS_FIRST)
556 const_eio (READDIR_STAT_ORDER) 1408 const_eio (READDIR_STAT_ORDER)
557 const_eio (READDIR_FOUND_UNKNOWN) 1409 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 }; 1420 };
569 1421
570 aio_stash = gv_stashpv ("IO::AIO" , 1); 1422 aio_stash = gv_stashpv ("IO::AIO" , 1);
571 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1423 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
572 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1424 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1425 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
573 1426
574 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1427 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
575 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1428 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
576 1429
577 create_respipe (); 1430 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
578 1431
579 if (eio_init (want_poll, done_poll) < 0) 1432 /* allocate dummy pipe fd for aio_close */
580 croak ("IO::AIO: unable to initialise eio library"); 1433 {
1434 int pipefd [2];
581 1435
582 /* atfork child called in fifo order, so before eio's handler */ 1436 if (
583 X_THREAD_ATFORK (0, 0, atfork_child); 1437#ifdef _WIN32
584} 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");
585 1446
1447 close_fd = pipefd [0];
1448 }
1449
1450 reinit ();
1451}
1452
586void 1453void
1454reinit ()
1455 PROTOTYPE:
1456
1457void
587max_poll_reqs (int nreqs) 1458max_poll_reqs (unsigned int nreqs)
588 PROTOTYPE: $ 1459 PROTOTYPE: $
589 CODE: 1460 CODE:
590 eio_set_max_poll_reqs (nreqs); 1461 eio_set_max_poll_reqs (nreqs);
591 1462
592void 1463void
… …
594 PROTOTYPE: $ 1465 PROTOTYPE: $
595 CODE: 1466 CODE:
596 eio_set_max_poll_time (nseconds); 1467 eio_set_max_poll_time (nseconds);
597 1468
598void 1469void
599min_parallel (int nthreads) 1470min_parallel (unsigned int nthreads)
600 PROTOTYPE: $ 1471 PROTOTYPE: $
601 CODE: 1472 CODE:
602 eio_set_min_parallel (nthreads); 1473 eio_set_min_parallel (nthreads);
603 1474
604void 1475void
605max_parallel (int nthreads) 1476max_parallel (unsigned int nthreads)
606 PROTOTYPE: $ 1477 PROTOTYPE: $
607 CODE: 1478 CODE:
608 eio_set_max_parallel (nthreads); 1479 eio_set_max_parallel (nthreads);
609 1480
610void 1481void
611max_idle (int nthreads) 1482max_idle (unsigned int nthreads)
612 PROTOTYPE: $ 1483 PROTOTYPE: $
613 CODE: 1484 CODE:
614 eio_set_max_idle (nthreads); 1485 eio_set_max_idle (nthreads);
615 1486
616void 1487void
1488idle_timeout (unsigned int seconds)
1489 PROTOTYPE: $
1490 CODE:
1491 eio_set_idle_timeout (seconds);
1492
1493void
617max_outstanding (int maxreqs) 1494max_outstanding (unsigned int maxreqs)
618 PROTOTYPE: $ 1495 PROTOTYPE: $
619 CODE: 1496 CODE:
620 max_outstanding = maxreqs; 1497 max_outstanding = maxreqs;
621 1498
622void 1499void
623aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1500aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
624 PROTOTYPE: $$$;$
625 PPCODE: 1501 PPCODE:
626{ 1502{
627 dREQ; 1503 dREQ;
628 1504
1505 req->type = EIO_WD_OPEN;
1506 req_set_path1 (req, pathname);
1507
1508 REQ_SEND;
1509}
1510
1511void
1512aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1513 PPCODE:
1514{
1515 dREQ;
1516
629 req->type = EIO_OPEN; 1517 req->type = EIO_OPEN;
630 req->sv1 = newSVsv (pathname); 1518 req_set_path1 (req, pathname);
631 req->ptr1 = SvPVbyte_nolen (req->sv1);
632 req->int1 = flags; 1519 req->int1 = flags;
633 req->int2 = mode; 1520 req->int2 = mode;
634 1521
635 REQ_SEND; 1522 REQ_SEND;
636} 1523}
637 1524
638void 1525void
639aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1526aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
640 PROTOTYPE: $;$
641 ALIAS: 1527 ALIAS:
642 aio_fsync = EIO_FSYNC 1528 aio_fsync = EIO_FSYNC
643 aio_fdatasync = EIO_FDATASYNC 1529 aio_fdatasync = EIO_FDATASYNC
1530 aio_syncfs = EIO_SYNCFS
644 PPCODE: 1531 PPCODE:
645{ 1532{
646 int fd = s_fileno_croak (fh, 0); 1533 int fd = s_fileno_croak (fh, 0);
647 dREQ; 1534 dREQ;
648 1535
649 req->type = ix; 1536 req->type = ix;
650 req->sv1 = newSVsv (fh); 1537 req->sv1 = newSVsv (fh);
651 req->int1 = fd; 1538 req->int1 = fd;
652 1539
653 REQ_SEND (req); 1540 REQ_SEND;
654} 1541}
655 1542
656void 1543void
657aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1544aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
658 PROTOTYPE: $$$$;$
659 PPCODE: 1545 PPCODE:
660{ 1546{
661 int fd = s_fileno_croak (fh, 0); 1547 int fd = s_fileno_croak (fh, 0);
662 dREQ; 1548 dREQ;
663 1549
664 req->type = EIO_SYNC_FILE_RANGE; 1550 req->type = EIO_SYNC_FILE_RANGE;
665 req->sv1 = newSVsv (fh); 1551 req->sv1 = newSVsv (fh);
666 req->int1 = fd; 1552 req->int1 = fd;
667 req->offs = offset; 1553 req->offs = offset;
668 req->size = nbytes; 1554 req->size = nbytes;
669 req->int2 = flags; 1555 req->int2 = flags;
670 1556
671 REQ_SEND (req); 1557 REQ_SEND;
672} 1558}
673 1559
674void 1560void
675aio_close (SV *fh, SV *callback=&PL_sv_undef) 1561aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
676 PROTOTYPE: $;$
677 PPCODE: 1562 PPCODE:
678{ 1563{
679 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
680 int fd = s_fileno_croak (fh, 0); 1564 int fd = s_fileno_croak (fh, 0);
681 dREQ; 1565 dREQ;
682 1566
683 if (close_pipe < 0) 1567 req->type = EIO_FALLOCATE;
1568 req->sv1 = newSVsv (fh);
1569 req->int1 = fd;
1570 req->int2 = mode;
1571 req->offs = offset;
1572 req->size = len;
1573
1574 REQ_SEND;
1575}
1576
1577void
1578aio_close (SV *fh, SV *callback = &PL_sv_undef)
1579 PPCODE:
1580{
1581 int fd = s_fileno_croak (fh, 0);
1582 dREQ;
1583#if 0
1584 /* partially duplicate logic in s_fileno */
1585 SvGETMAGIC (fh);
1586
1587 if (SvROK (fh))
1588 {
1589 fh = SvRV (fh);
1590 SvGETMAGIC (fh);
1591 }
1592
1593 if (SvTYPE (fh) == SVt_PVGV)
684 { 1594 {
685 int pipefd [2]; 1595 /* perl filehandle */
1596 PerlIOUnix_refcnt_inc (fd);
1597 do_close ((GV *)fh, 1);
686 1598
687 if (pipe (pipefd) < 0 1599 req->type = EIO_CLOSE;
688 || close (pipefd [1]) < 0 1600 req->int1 = fd;
689 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1601 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
690 abort (); /*D*/
691
692 close_pipe = pipefd [0];
693 } 1602 }
694 1603 else
1604#endif
1605 {
1606 /* fd number */
695 req->type = EIO_DUP2; 1607 req->type = EIO_DUP2;
696 req->int1 = close_pipe; 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;
697 req->sv2 = newSVsv (fh); 1624 req->sv1 = newSVsv (fh);
698 req->int2 = fd; 1625 req->int1 = fd;
1626 req->offs = SvVAL64 (offset);
1627 req->int2 = whence;
699 1628
700 REQ_SEND (req); 1629 REQ_SEND;
701} 1630}
702 1631
703void 1632void
704aio_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)
705 ALIAS: 1634 ALIAS:
706 aio_read = EIO_READ 1635 aio_read = EIO_READ
707 aio_write = EIO_WRITE 1636 aio_write = EIO_WRITE
708 PROTOTYPE: $$$$$;$
709 PPCODE: 1637 PPCODE:
710{ 1638{
711 STRLEN svlen; 1639 STRLEN svlen;
712 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1640 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
713 char *svptr = SvPVbyte (data, svlen); 1641 char *svptr = SvPVbyte (data, svlen);
… …
726 len = svlen - dataoffset; 1654 len = svlen - dataoffset;
727 } 1655 }
728 else 1656 else
729 { 1657 {
730 /* read: check type and grow scalar as necessary */ 1658 /* read: check type and grow scalar as necessary */
731 SvUPGRADE (data, SVt_PV); 1659 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
732 svptr = SvGROW (data, len + dataoffset + 1); 1660 svptr = sv_grow (data, len + dataoffset + 1);
1661 else if (SvCUR (data) < len + dataoffset)
1662 croak ("length + dataoffset outside of scalar, and cannot grow");
733 } 1663 }
734 1664
735 { 1665 {
736 dREQ; 1666 dREQ;
737 1667
… …
753 REQ_SEND; 1683 REQ_SEND;
754 } 1684 }
755} 1685}
756 1686
757void 1687void
758aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1688aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
759 PROTOTYPE: $$;$ 1689 ALIAS:
1690 aio_ioctl = EIO_IOCTL
1691 aio_fcntl = EIO_FCNTL
760 PPCODE: 1692 PPCODE:
761{ 1693{
762 SV *data; 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
1728aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1729 ALIAS:
1730 aio_readlink = EIO_READLINK
1731 aio_realpath = EIO_REALPATH
1732 PPCODE:
1733{
763 dREQ; 1734 dREQ;
764 1735
765 req->type = EIO_READLINK; 1736 req->type = ix;
766 req->sv1 = newSVsv (path); 1737 req_set_path1 (req, pathname);
767 req->ptr1 = SvPVbyte_nolen (req->sv1);
768 1738
769 REQ_SEND; 1739 REQ_SEND;
770} 1740}
771 1741
772void 1742void
773aio_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)
774 PROTOTYPE: $$$$;$
775 PPCODE: 1744 PPCODE:
776{ 1745{
777 int ifd = s_fileno_croak (in_fh , 0); 1746 int ifd = s_fileno_croak (in_fh , 0);
778 int ofd = s_fileno_croak (out_fh, 1); 1747 int ofd = s_fileno_croak (out_fh, 1);
779 dREQ; 1748 dREQ;
780 1749
781 req->type = EIO_SENDFILE; 1750 req->type = EIO_SENDFILE;
782 req->sv1 = newSVsv (out_fh); 1751 req->sv1 = newSVsv (out_fh);
783 req->int1 = ofd; 1752 req->int1 = ofd;
… …
788 1757
789 REQ_SEND; 1758 REQ_SEND;
790} 1759}
791 1760
792void 1761void
793aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1762aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1763 PPCODE:
796{ 1764{
797 int fd = s_fileno_croak (fh, 0); 1765 int fd = s_fileno_croak (fh, 0);
798 dREQ; 1766 dREQ;
799 1767
800 req->type = EIO_READAHEAD; 1768 req->type = EIO_READAHEAD;
801 req->sv1 = newSVsv (fh); 1769 req->sv1 = newSVsv (fh);
802 req->int1 = fd; 1770 req->int1 = fd;
… …
805 1773
806 REQ_SEND; 1774 REQ_SEND;
807} 1775}
808 1776
809void 1777void
810aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1778aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
811 ALIAS: 1779 ALIAS:
812 aio_stat = EIO_STAT 1780 aio_stat = EIO_STAT
813 aio_lstat = EIO_LSTAT 1781 aio_lstat = EIO_LSTAT
1782 aio_statvfs = EIO_STATVFS
814 PPCODE: 1783 PPCODE:
815{ 1784{
816 dREQ; 1785 dREQ;
817 1786
818 req->sv1 = newSVsv (fh_or_path); 1787 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
819
820 if (SvPOK (req->sv1))
821 {
822 req->type = ix;
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 }
825 else
826 {
827 req->type = EIO_FSTAT;
828 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
829 }
830 1788
831 REQ_SEND; 1789 REQ_SEND;
832} 1790}
833 1791
834void 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));
1825
1826UV
1827major (UV dev)
1828 ALIAS:
1829 minor = 1
1830 CODE:
1831 RETVAL = ix ? minor (dev) : major (dev);
1832 OUTPUT:
1833 RETVAL
1834
1835UV
1836makedev (UV maj, UV min)
1837 CODE:
1838 RETVAL = makedev (maj, min);
1839 OUTPUT:
1840 RETVAL
1841
1842void
835aio_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)
836 PPCODE: 1844 PPCODE:
837{ 1845{
838 dREQ; 1846 dREQ;
839 1847
840 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1848 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
841 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1849 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
842 req->sv1 = newSVsv (fh_or_path); 1850 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
843
844 if (SvPOK (req->sv1))
845 {
846 req->type = EIO_UTIME;
847 req->ptr1 = SvPVbyte_nolen (req->sv1);
848 }
849 else
850 {
851 req->type = EIO_FUTIME;
852 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
853 }
854 1851
855 REQ_SEND; 1852 REQ_SEND;
856} 1853}
857 1854
858void 1855void
859aio_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)
860 PPCODE: 1857 PPCODE:
861{ 1858{
862 dREQ; 1859 dREQ;
863 1860
864 req->sv1 = newSVsv (fh_or_path);
865 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1861 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
866 1862 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_TRUNCATE;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FTRUNCATE;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1863
878 REQ_SEND; 1864 REQ_SEND;
879} 1865}
880 1866
881void 1867void
882aio_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)
883 ALIAS:
884 aio_chmod = EIO_CHMOD
885 aio_mkdir = EIO_MKDIR
886 PPCODE: 1869 PPCODE:
887{ 1870{
888 dREQ; 1871 dREQ;
889 1872
890 req->int2 = mode; 1873 req->int2 = mode;
891 req->sv1 = newSVsv (fh_or_path); 1874 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
892
893 if (SvPOK (req->sv1))
894 {
895 req->type = ix;
896 req->ptr1 = SvPVbyte_nolen (req->sv1);
897 }
898 else
899 {
900 req->type = EIO_FCHMOD;
901 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
902 }
903 1875
904 REQ_SEND; 1876 REQ_SEND;
905} 1877}
906 1878
907void 1879void
908aio_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)
909 PPCODE: 1881 PPCODE:
910{ 1882{
911 dREQ; 1883 dREQ;
912 1884
913 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1885 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
914 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1886 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
915 req->sv1 = newSVsv (fh_or_path); 1887 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
916
917 if (SvPOK (req->sv1))
918 {
919 req->type = EIO_CHOWN;
920 req->ptr1 = SvPVbyte_nolen (req->sv1);
921 }
922 else
923 {
924 req->type = EIO_FCHOWN;
925 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
926 }
927 1888
928 REQ_SEND; 1889 REQ_SEND;
929} 1890}
930 1891
931void 1892void
932aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1893aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
933 PPCODE: 1894 PPCODE:
934{ 1895{
935 dREQ; 1896 dREQ;
936 1897
937 req->type = EIO_READDIR; 1898 req->type = EIO_READDIR;
938 req->sv1 = newSVsv (pathname);
939 req->ptr1 = SvPVbyte_nolen (req->sv1);
940 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1899 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
941 1900
942 if (flags & EIO_READDIR_DENTS) 1901 if (flags & EIO_READDIR_DENTS)
943 req->int1 |= EIO_READDIR_CUSTOM2; 1902 req->int1 |= EIO_READDIR_CUSTOM2;
944 1903
1904 req_set_path1 (req, pathname);
1905
945 REQ_SEND; 1906 REQ_SEND;
946} 1907}
947 1908
948void 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
949aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1923aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
950 ALIAS: 1924 ALIAS:
951 aio_unlink = EIO_UNLINK 1925 aio_unlink = EIO_UNLINK
952 aio_rmdir = EIO_RMDIR 1926 aio_rmdir = EIO_RMDIR
953 aio_readdir = EIO_READDIR 1927 aio_readdir = EIO_READDIR
954 PPCODE: 1928 PPCODE:
955{ 1929{
956 dREQ; 1930 dREQ;
957 1931
958 req->type = ix; 1932 req->type = ix;
959 req->sv1 = newSVsv (pathname); 1933 req_set_path1 (req, pathname);
960 req->ptr1 = SvPVbyte_nolen (req->sv1);
961 1934
962 REQ_SEND; 1935 REQ_SEND;
963} 1936}
964 1937
965void 1938void
966aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1939aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
967 ALIAS: 1940 ALIAS:
968 aio_link = EIO_LINK 1941 aio_link = EIO_LINK
969 aio_symlink = EIO_SYMLINK 1942 aio_symlink = EIO_SYMLINK
970 aio_rename = EIO_RENAME 1943 aio_rename = EIO_RENAME
971 PPCODE: 1944 PPCODE:
972{ 1945{
1946 eio_wd wd2 = 0;
973 dREQ; 1947 dREQ;
974 1948
975 req->type = ix; 1949 req->type = ix;
976 req->sv1 = newSVsv (oldpath); 1950 req_set_path1 (req, oldpath);
977 req->ptr1 = SvPVbyte_nolen (req->sv1); 1951 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
978 req->sv2 = newSVsv (newpath); 1952 req->int3 = (long)wd2;
979 req->ptr2 = SvPVbyte_nolen (req->sv2);
980 1953
981 REQ_SEND; 1954 REQ_SEND;
982} 1955}
983 1956
984void 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
985aio_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)
986 PPCODE: 1975 PPCODE:
987{ 1976{
988 dREQ; 1977 dREQ;
989 1978
990 req->type = EIO_MKNOD; 1979 req->type = EIO_MKNOD;
991 req->sv1 = newSVsv (pathname);
992 req->ptr1 = SvPVbyte_nolen (req->sv1);
993 req->int2 = (mode_t)mode; 1980 req->int2 = (mode_t)mode;
994 req->offs = dev; 1981 req->offs = dev;
1982 req_set_path1 (req, pathname);
995 1983
996 REQ_SEND; 1984 REQ_SEND;
997} 1985}
998 1986
999void 1987void
1988aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1989 ALIAS:
1990 aio_mtouch = EIO_MTOUCH
1991 aio_msync = EIO_MSYNC
1992 PPCODE:
1993{
1994 STRLEN svlen;
1995 char *svptr = SvPVbyte (data, svlen);
1996 UV len = SvUV (length);
1997
1998 if (flags < 0)
1999 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
2000
2001 if (offset < 0)
2002 offset += svlen;
2003
2004 if (offset < 0 || offset > svlen)
2005 croak ("offset outside of scalar");
2006
2007 if (!SvOK (length) || len + offset > svlen)
2008 len = svlen - offset;
2009
2010 {
2011 dREQ;
2012
2013 req->type = ix;
2014 req->sv2 = SvREFCNT_inc (data);
2015 req->ptr2 = (char *)svptr + offset;
2016 req->size = len;
2017 req->int1 = flags;
2018
2019 REQ_SEND;
2020 }
2021}
2022
2023void
2024aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2025 PPCODE:
2026{
2027 STRLEN svlen;
2028 char *svptr = SvPVbyte (data, svlen);
2029 UV len = SvUV (length);
2030
2031 if (offset < 0)
2032 offset += svlen;
2033
2034 if (offset < 0 || offset > svlen)
2035 croak ("offset outside of scalar");
2036
2037 if (!SvOK (length) || len + offset > svlen)
2038 len = svlen - offset;
2039
2040 {
2041 dREQ;
2042
2043 req->type = EIO_MLOCK;
2044 req->sv2 = SvREFCNT_inc (data);
2045 req->ptr2 = (char *)svptr + offset;
2046 req->size = len;
2047
2048 REQ_SEND;
2049 }
2050}
2051
2052void
2053aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2054 PPCODE:
2055{
2056 dREQ;
2057
2058 req->type = EIO_MLOCKALL;
2059 req->int1 = flags;
2060
2061 REQ_SEND;
2062}
2063
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
1000aio_busy (double delay, SV *callback=&PL_sv_undef) 2126aio_busy (double delay, SV *callback = &PL_sv_undef)
1001 PPCODE: 2127 PPCODE:
1002{ 2128{
1003 dREQ; 2129 dREQ;
1004 2130
1005 req->type = EIO_BUSY; 2131 req->type = EIO_BUSY;
… …
1007 2133
1008 REQ_SEND; 2134 REQ_SEND;
1009} 2135}
1010 2136
1011void 2137void
1012aio_group (SV *callback=&PL_sv_undef) 2138aio_group (SV *callback = &PL_sv_undef)
1013 PROTOTYPE: ;$
1014 PPCODE: 2139 PPCODE:
1015{ 2140{
1016 dREQ; 2141 dREQ;
1017 2142
1018 req->type = EIO_GROUP; 2143 req->type = EIO_GROUP;
1019 2144
2145 PUTBACK;
1020 req_submit (req); 2146 req_submit (req);
2147 SPAGAIN;
2148
1021 XPUSHs (req_sv (req, aio_grp_stash)); 2149 XPUSHs (req_sv (req, aio_grp_stash));
1022} 2150}
1023 2151
1024void 2152void
1025aio_nop (SV *callback=&PL_sv_undef) 2153aio_nop (SV *callback = &PL_sv_undef)
1026 ALIAS: 2154 ALIAS:
1027 aio_nop = EIO_NOP 2155 aio_nop = EIO_NOP
1028 aio_sync = EIO_SYNC 2156 aio_sync = EIO_SYNC
1029 PPCODE: 2157 PPCODE:
1030{ 2158{
… …
1034 2162
1035 REQ_SEND; 2163 REQ_SEND;
1036} 2164}
1037 2165
1038int 2166int
1039aioreq_pri (int pri = 0) 2167aioreq_pri (int pri = NO_INIT)
1040 PROTOTYPE: ;$
1041 CODE: 2168 CODE:
1042 RETVAL = next_pri; 2169 RETVAL = next_pri;
1043 if (items > 0) 2170 if (items > 0)
1044 { 2171 {
1045 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2172 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1057 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2184 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1058 next_pri = nice; 2185 next_pri = nice;
1059 2186
1060void 2187void
1061flush () 2188flush ()
1062 PROTOTYPE:
1063 CODE: 2189 CODE:
1064 while (eio_nreqs ()) 2190 while (eio_nreqs ())
1065 { 2191 {
1066 poll_wait (); 2192 poll_wait ();
1067 poll_cb (); 2193 poll_cb ();
1068 } 2194 }
1069 2195
1070int 2196int
1071poll() 2197poll ()
1072 PROTOTYPE:
1073 CODE: 2198 CODE:
1074 poll_wait (); 2199 poll_wait ();
1075 RETVAL = poll_cb (); 2200 RETVAL = poll_cb ();
1076 OUTPUT: 2201 OUTPUT:
1077 RETVAL 2202 RETVAL
1078 2203
1079int 2204int
1080poll_fileno() 2205poll_fileno ()
1081 PROTOTYPE:
1082 CODE: 2206 CODE:
1083 RETVAL = s_epipe_fd (&respipe); 2207 RETVAL = s_epipe_fd (&respipe);
1084 OUTPUT: 2208 OUTPUT:
1085 RETVAL 2209 RETVAL
1086 2210
1087int 2211int
1088poll_cb(...) 2212poll_cb (...)
1089 PROTOTYPE: 2213 PROTOTYPE:
1090 CODE: 2214 CODE:
1091 RETVAL = poll_cb (); 2215 RETVAL = poll_cb ();
1092 OUTPUT: 2216 OUTPUT:
1093 RETVAL 2217 RETVAL
1094 2218
1095void 2219void
1096poll_wait() 2220poll_wait ()
1097 PROTOTYPE:
1098 CODE: 2221 CODE:
1099 poll_wait (); 2222 poll_wait ();
1100 2223
1101int 2224int
1102nreqs() 2225nreqs ()
1103 PROTOTYPE:
1104 CODE: 2226 CODE:
1105 RETVAL = eio_nreqs (); 2227 RETVAL = eio_nreqs ();
1106 OUTPUT: 2228 OUTPUT:
1107 RETVAL 2229 RETVAL
1108 2230
1109int 2231int
1110nready() 2232nready ()
1111 PROTOTYPE:
1112 CODE: 2233 CODE:
1113 RETVAL = eio_nready (); 2234 RETVAL = eio_nready ();
1114 OUTPUT: 2235 OUTPUT:
1115 RETVAL 2236 RETVAL
1116 2237
1117int 2238int
1118npending() 2239npending ()
1119 PROTOTYPE:
1120 CODE: 2240 CODE:
1121 RETVAL = eio_npending (); 2241 RETVAL = eio_npending ();
1122 OUTPUT: 2242 OUTPUT:
1123 RETVAL 2243 RETVAL
1124 2244
1125int 2245int
1126nthreads() 2246nthreads ()
1127 PROTOTYPE:
1128 CODE: 2247 CODE:
1129 RETVAL = eio_nthreads (); 2248 RETVAL = eio_nthreads ();
1130 OUTPUT: 2249 OUTPUT:
1131 RETVAL 2250 RETVAL
1132 2251
1133int 2252int
1134fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2253fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1135 PROTOTYPE: $$$$
1136 CODE: 2254 CODE:
1137#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1138 RETVAL = posix_fadvise (fh, offset, length, advice); 2255 RETVAL = posix_fadvise (fh, offset, length, advice);
1139#else
1140 RETVAL = errno = ENOSYS;
1141#endif
1142 OUTPUT: 2256 OUTPUT:
1143 RETVAL 2257 RETVAL
1144 2258
1145ssize_t 2259IV
1146sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2260sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1147 PROTOTYPE: $$$$
1148 CODE: 2261 CODE:
1149 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2262 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1150 OUTPUT: 2263 OUTPUT:
1151 RETVAL 2264 RETVAL
1152 2265
2266void
2267mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2268 PPCODE:
2269 sv_clear_foreign (scalar);
2270{
2271 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2272 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2273 if (addr == (void *)-1)
2274 XSRETURN_NO;
2275
2276 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2277
2278 if (!(prot & PROT_WRITE))
2279 SvREADONLY_on (scalar);
2280
2281 XSRETURN_YES;
2282}
2283
2284void
2285munmap (SV *scalar)
2286 CODE:
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
2318
2319int
2320madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2321 ALIAS:
2322 mprotect = 1
2323 CODE:
2324{
2325 STRLEN svlen;
2326 void *addr = SvPVbyte (scalar, svlen);
2327 STRLEN len = SvUV (length);
2328
2329 if (offset < 0)
2330 offset += svlen;
2331
2332 if (offset < 0 || offset > svlen)
2333 croak ("offset outside of scalar");
2334
2335 if (!SvOK (length) || len + offset > svlen)
2336 len = svlen - offset;
2337
2338 addr = (void *)(((intptr_t)addr) + offset);
2339 eio_page_align (&addr, &len);
2340
2341 switch (ix)
2342 {
2343 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2344 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2345 }
2346}
2347 OUTPUT:
2348 RETVAL
2349
2350int
2351munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2352 CODE:
2353{
2354 STRLEN svlen;
2355 void *addr = SvPVbyte (scalar, svlen);
2356 size_t len = SvUV (length);
2357
2358 if (offset < 0)
2359 offset += svlen;
2360
2361 if (offset < 0 || offset > svlen)
2362 croak ("offset outside of scalar");
2363
2364 if (!SvOK (length) || len + offset > svlen)
2365 len = svlen - offset;
2366
2367 addr = (void *)(((intptr_t)addr) + offset);
2368 eio_page_align (&addr, &len);
2369#if _POSIX_MEMLOCK_RANGE
2370 RETVAL = munlock (addr, len);
2371#else
2372 RETVAL = EIO_ENOSYS ();
2373#endif
2374}
2375 OUTPUT:
2376 RETVAL
2377
2378int
2379mlockall (int flags)
2380 PROTOTYPE: $;
2381 CODE:
2382 RETVAL = eio_mlockall_sync (flags);
2383 OUTPUT:
2384 RETVAL
2385
2386int
2387munlockall ()
2388 CODE:
2389#if _POSIX_MEMLOCK
2390 munlockall ();
2391#else
2392 RETVAL = EIO_ENOSYS ();
2393#endif
2394 OUTPUT:
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}
2851
1153void _on_next_submit (SV *cb) 2852void _on_next_submit (SV *cb)
1154 CODE: 2853 CODE:
1155 SvREFCNT_dec (on_next_submit); 2854 SvREFCNT_dec (on_next_submit);
1156 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2855 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1157 2856
1158PROTOTYPES: DISABLE 2857PROTOTYPES: DISABLE
1159 2858
2859MODULE = IO::AIO PACKAGE = IO::AIO::WD
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
2867void
2868DESTROY (SV *self)
2869 CODE:
2870{
2871 aio_wd wd = SvAIO_WD (self);
2872#if HAVE_AT
2873 {
2874 SV *callback = &PL_sv_undef;
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 */
2878 req->type = EIO_WD_CLOSE;
2879 req->wd = wd;
2880 REQ_SEND;
2881 }
2882#else
2883 eio_wd_close_sync (wd);
2884#endif
2885}
2886
1160MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2887MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1161 2888
1162void 2889void
1163cancel (aio_req_ornot req) 2890cancel (aio_req_ornot req)
1164 CODE: 2891 CODE:
1165 eio_cancel (req); 2892 eio_cancel (req);
1166 2893
1167void 2894void
1168cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2895cb (aio_req_ornot req, SV *callback = NO_INIT)
1169 PPCODE: 2896 PPCODE:
1170{ 2897{
1171 if (GIMME_V != G_VOID) 2898 if (GIMME_V != G_VOID)
1172 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);
1173 2900
1174 if (items > 1) 2901 if (items > 1)
1175 { 2902 {
1176 SV *cb_cv =get_cb (callback); 2903 SV *cb_cv = get_cb (callback);
1177 2904
1178 SvREFCNT_dec (req->callback); 2905 SvREFCNT_dec (req->callback);
1179 req->callback = SvREFCNT_inc (cb_cv); 2906 req->callback = SvREFCNT_inc (cb_cv);
1180 } 2907 }
1181} 2908}
… …
1238limit (aio_req grp, int limit) 2965limit (aio_req grp, int limit)
1239 CODE: 2966 CODE:
1240 eio_grp_limit (grp, limit); 2967 eio_grp_limit (grp, limit);
1241 2968
1242void 2969void
1243feed (aio_req grp, SV *callback=&PL_sv_undef) 2970feed (aio_req grp, SV *callback = &PL_sv_undef)
1244 CODE: 2971 CODE:
1245{ 2972{
1246 SvREFCNT_dec (grp->sv2); 2973 SvREFCNT_dec (grp->sv2);
1247 grp->sv2 = newSVsv (callback); 2974 grp->sv2 = newSVsv (callback);
1248 grp->feed = aio_grp_feed; 2975 grp->feed = aio_grp_feed;

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