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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.149 by root, Tue Jun 30 07:33:58 2009 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 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"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17 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
18/* perl namespace pollution */ 38/* perl namespace pollution */
19#undef VERSION 39#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
68#endif
69 40
70/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
72#undef readdir 43#undef readdir
73#undef opendir 44#undef opendir
74#undef closedir 45#undef closedir
75 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
76#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
77 84
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define VAL64 IV
81# define SvVAL64 SvIV
82# define newSVval64 newSViv
83#else 85#else
84# define VAL64 NV 86
85# define SvVAL64 SvNV 87 #include <sys/time.h>
86# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
87#endif 95#endif
88 96
89/*****************************************************************************/ 97/*****************************************************************************/
90 98
91#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
97#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
98#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
99 107
100/*****************************************************************************/ 108/*****************************************************************************/
101 109
102static HV *stash; 110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
103typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
106 175
107#define AIO_REQ_KLASS "IO::AIO::REQ" 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
108#define AIO_GRP_KLASS "IO::AIO::GRP"
109 177
110#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
111 SV *callback; \ 179 SV *callback; \
112 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 182 STRLEN stroffset; \
114 SV *self; 183 SV *self;
115 184
116#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
117 186
118#include "libeio/eio.h" 187#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
144 188
145static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
149 193
194#include "libeio/eio.c"
195
196#if !HAVE_POSIX_FADVISE
197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
198#endif
199
200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef MAP_ANONYMOUS
205# ifdef MAP_ANON
206# define MAP_ANONYMOUS MAP_ANON
207# else
208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
209# endif
210#endif
211
212#ifndef makedev
213# define makedev(maj,min) (((maj) << 8) | (min))
214#endif
215#ifndef major
216# define major(dev) ((dev) >> 8)
217#endif
218#ifndef minor
219# define minor(dev) ((dev) & 0xff)
220#endif
221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231#if HAVE_SYSCALL
232#include <sys/syscall.h>
233#else
234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
237/*****************************************************************************/
238
239#if !_POSIX_MAPPED_FILES
240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
241# define munmap(addr,length) EIO_ENOSYS ()
242#endif
243
244#if !_POSIX_MEMORY_PROTECTION
245# define mprotect(addr,len,prot) EIO_ENOSYS ()
246#endif
247
248#if !MREMAP_MAYMOVE
249# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
250#endif
251
252#define FOREIGN_MAGIC PERL_MAGIC_ext
253
254static int ecb_cold
255mmap_free (pTHX_ SV *sv, MAGIC *mg)
256{
257 int old_errno = errno;
258 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
259 errno = old_errno;
260
261 mg->mg_obj = 0; /* just in case */
262
263 SvREADONLY_off (sv);
264
265 if (SvPVX (sv) != mg->mg_ptr)
266 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
267
268 SvCUR_set (sv, 0);
269 SvPVX (sv) = 0;
270 SvOK_off (sv);
271
272 return 0;
273}
274
275static MGVTBL mmap_vtbl = {
276 0, 0, 0, 0, mmap_free
277};
278
279static int ecb_cold
280sysfree_free (pTHX_ SV *sv, MAGIC *mg)
281{
282 free (mg->mg_ptr);
283 mg->mg_obj = 0; /* just in case */
284
285 SvREADONLY_off (sv);
286
287 if (SvPVX (sv) != mg->mg_ptr)
288 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
289
290 SvCUR_set (sv, 0);
291 SvPVX (sv) = 0;
292 SvOK_off (sv);
293
294 return 0;
295}
296
297static MGVTBL sysfree_vtbl = {
298 0, 0, 0, 0, sysfree_free
299};
300
301/*****************************************************************************/
302
303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
305static void
306sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
307{
308 sv_force_normal (sv);
309
310 /* we store the length in mg_obj, as namlen is I32 :/ */
311 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
312 ->mg_obj = (SV *)length;
313
314 SvUPGRADE (sv, SVt_PV); /* nop... */
315
316 if (SvLEN (sv))
317 Safefree (SvPVX (sv));
318
319 SvPVX (sv) = (char *)addr;
320 SvCUR_set (sv, length);
321 SvLEN_set (sv, 0);
322 SvPOK_only (sv);
323}
324
325static void
326sv_clear_foreign (SV *sv)
327{
328 /* todo: iterate over magic and only free ours, but of course */
329 /* the perl5porters will call that (correct) behaviour buggy */
330 sv_unmagic (sv, FOREIGN_MAGIC);
331}
332
333/*****************************************************************************/
334
335/* defines all sorts of constants to 0 unless they are already defined */
336/* also provides const_iv_ and const_niv_ macros for them */
337#include "def0.h"
338
339/*****************************************************************************/
340
341static void
342fiemap (eio_req *req)
343{
344 req->result = -1;
345
346#if HAVE_FIEMAP
347 /* assume some c99 */
348 struct fiemap *fiemap = 0;
349 size_t end_offset;
350 int count = req->int3;
351
352 req->flags |= EIO_FLAG_PTR1_FREE;
353
354 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
355 /* increase in fixed steps */
356 if (count < 0)
357 count = 8;
358
359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
360 errno = ENOMEM;
361 if (!fiemap)
362 return;
363
364 req->ptr1 = fiemap;
365
366 fiemap->fm_start = req->offs;
367 fiemap->fm_length = req->size;
368 fiemap->fm_flags = req->int2;
369 fiemap->fm_extent_count = count;
370
371 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
372 return;
373
374 if (req->int3 >= 0 /* not autosizing */
375 || !fiemap->fm_mapped_extents /* no more extents */
376 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
377 goto done;
378
379 /* else we have to loop -
380 * it would be tempting (actually I tried that first) to just query the
381 * number of extents needed, but linux often feels like not returning all
382 * extents, without telling us it left any out. this complicates
383 * this quite a bit.
384 */
385
386 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
387
388 for (;;)
389 {
390 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
391 char scratch[3072];
392 struct fiemap *incmap = (struct fiemap *)scratch;
393
394 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
395 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
396 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
397 incmap->fm_flags = fiemap->fm_flags;
398 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
399
400 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
401 return;
402
403 if (!incmap->fm_mapped_extents)
404 goto done;
405
406 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
407 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
408 errno = ENOMEM;
409 if (!fiemap)
410 return;
411
412 req->ptr1 = fiemap;
413
414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
415 {
416 struct fiemap_extent *e = incmap->fm_extents + count;
417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
420 if (e->fe_logical >= end_offset)
421 goto done;
422
423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
424 goto done;
425
426 }
427 }
428
429done:
430 req->result = 0;
431
432#else
433 errno = ENOSYS;
434#endif
435}
436
437/*****************************************************************************/
438
439static int close_fd; /* dummy fd to close fds via dup2 */
440
441#if HAVE_STATX
442static struct statx stx;
443#define statx_offsetof(member) offsetof (struct statx, member)
444#define eio__statx statx
445#else
446#define statx_offsetof(member) 0
447#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
448#endif
449
150enum { 450enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 452};
153 453
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 454typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 455typedef eio_req *aio_req_ornot;
456typedef eio_wd aio_wd;
158 457
159static SV *on_next_submit; 458static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 459static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 460static int max_outstanding;
162 461
163static int respipe_osf [2], respipe [2] = { -1, -1 }; 462static s_epipe respipe;
164 463
165static void req_destroy (aio_req req); 464static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 465static void req_cancel (aio_req req);
167 466
168static void want_poll (void) 467static void
468want_poll (void)
169{ 469{
170 /* write a dummy byte to the pipe so fh becomes ready */ 470 /* write a dummy byte to the pipe so fh becomes ready */
171 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 471 s_epipe_signal (&respipe);
172} 472}
173 473
174static void done_poll (void) 474static void
475done_poll (void)
175{ 476{
176 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
177 char buf [4]; 478 s_epipe_drain (&respipe);
178 while (respipe_read (respipe [0], buf, 4) == 4)
179 ;
180} 479}
181 480
182/* must be called at most once */ 481/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 482ecb_noinline
483static SV *
484req_sv (aio_req req, HV *stash)
184{ 485{
185 if (!req->self) 486 if (!req->self)
186 { 487 {
187 req->self = (SV *)newHV (); 488 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 489 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 490 }
190 491
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 492 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 493}
193 494
194static aio_req SvAIO_REQ (SV *sv) 495static SV *
496newSVaio_wd (aio_wd wd)
497{
498 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
499}
500
501ecb_noinline
502static aio_req
503SvAIO_REQ (SV *sv)
195{ 504{
196 MAGIC *mg; 505 MAGIC *mg;
197 506
198 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 507 if (!SvROK (sv)
508 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
509 || (SvSTASH (SvRV (sv)) != aio_grp_stash
510 && SvSTASH (SvRV (sv)) != aio_req_stash
511 && !sv_derived_from (sv, "IO::AIO::REQ")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 512 croak ("object of class IO::AIO::REQ expected");
200 513
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 514 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 515
203 return mg ? (aio_req)mg->mg_ptr : 0; 516 return mg ? (aio_req)mg->mg_ptr : 0;
204} 517}
205 518
519static aio_wd
520SvAIO_WD (SV *sv)
521{
522 if (!SvROK (sv)
523 || SvTYPE (SvRV (sv)) != SVt_PVMG
524 || SvSTASH (SvRV (sv)) != aio_wd_stash)
525 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
526
527 return (aio_wd)(long)SvIVX (SvRV (sv));
528}
529
530static SV *
531newmortalFH (int fd, int flags)
532{
533 if (fd < 0)
534 return &PL_sv_undef;
535
536 GV *gv = (GV *)sv_newmortal ();
537 char sym[64];
538 int symlen;
539
540 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
541 gv_init (gv, aio_stash, sym, symlen, 0);
542
543 symlen = snprintf (
544 sym,
545 sizeof (sym),
546 "%s&=%d",
547 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
548 fd
549 );
550
551 return do_open (gv, sym, symlen, 0, 0, 0, 0)
552 ? (SV *)gv : &PL_sv_undef;
553}
554
555static void
206static void aio_grp_feed (aio_req grp) 556aio_grp_feed (aio_req grp)
207{ 557{
208 if (grp->sv2 && SvOK (grp->sv2)) 558 if (grp->sv2 && SvOK (grp->sv2))
209 { 559 {
210 dSP; 560 dSP;
211 561
212 ENTER; 562 ENTER;
213 SAVETMPS; 563 SAVETMPS;
214 PUSHMARK (SP); 564 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 565 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 566 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 567 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 568 SPAGAIN;
219 FREETMPS; 569 FREETMPS;
220 LEAVE; 570 LEAVE;
221 } 571 }
222} 572}
223 573
574ecb_noinline
575static void
224static void req_submit (eio_req *req) 576req_submit (eio_req *req)
225{ 577{
226 eio_submit (req); 578 eio_submit (req);
227 579
228 if (expect_false (on_next_submit)) 580 if (expect_false (on_next_submit))
229 { 581 {
… …
236 PUTBACK; 588 PUTBACK;
237 call_sv (cb, G_DISCARD | G_EVAL); 589 call_sv (cb, G_DISCARD | G_EVAL);
238 } 590 }
239} 591}
240 592
593static int
241static int req_invoke (eio_req *req) 594req_invoke (eio_req *req)
242{ 595{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 596 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 597 SvREADONLY_off (req->sv2);
247 598
248 if (!EIO_CANCELLED (req) && req->callback) 599 if (!EIO_CANCELLED (req) && req->callback)
249 { 600 {
601 dSP;
602 static SV *sv_result_cache; /* caches the result integer SV */
603 SV *sv_result;
604
250 ENTER; 605 ENTER;
251 SAVETMPS; 606 SAVETMPS;
252 PUSHMARK (SP); 607 PUSHMARK (SP);
253 EXTEND (SP, 1); 608 EXTEND (SP, 1);
254 609
610 /* do not recreate the result IV from scratch each time */
611 if (expect_true (sv_result_cache))
612 {
613 sv_result = sv_result_cache; sv_result_cache = 0;
614 SvIV_set (sv_result, req->result);
615 SvIOK_only (sv_result);
616 }
617 else
618 {
619 sv_result = newSViv (req->result);
620 SvREADONLY_on (sv_result);
621 }
622
255 switch (req->type) 623 switch (req->type)
256 { 624 {
625 case EIO_WD_OPEN:
626 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
627 break;
628
257 case EIO_READDIR: 629 case EIO_READDIR:
258 { 630 {
259 SV *rv = &PL_sv_undef; 631 SV *rv = &PL_sv_undef;
260 632
261 if (req->result >= 0) 633 if (req->result >= 0)
… …
314 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 686 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
315 } 687 }
316 break; 688 break;
317 689
318 case EIO_OPEN: 690 case EIO_OPEN:
691 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
692 break;
693
694 case EIO_STATVFS:
695 case EIO_FSTATVFS:
319 { 696 {
320 /* convert fd to fh */
321 SV *fh = &PL_sv_undef; 697 SV *rv = &PL_sv_undef;
322 698
699#ifndef _WIN32
323 if (req->result >= 0) 700 if (req->result >= 0)
324 { 701 {
702 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325 GV *gv = (GV *)sv_newmortal (); 703 HV *hv = newHV ();
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 704 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327 char sym [64]; 705 * chooses to make it a struct.
328 int symlen;
329 706 */
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 707 unsigned long fsid = 0;
331 gv_init (gv, stash, sym, symlen, 0); 708 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
332 709
333 symlen = snprintf ( 710 rv = sv_2mortal (newRV_noinc ((SV *)hv));
334 sym,
335 sizeof (sym),
336 "%s&=%d",
337 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
338 (int)req->result
339 );
340 711
341 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 712 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342 fh = (SV *)gv; 713 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
714 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
715 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
716 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
717 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
718 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
719 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
720 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
721 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
722 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
343 } 723 }
724#endif
344 725
345 PUSHs (fh); 726 PUSHs (rv);
346 } 727 }
728
347 break; 729 break;
348 730
349 case EIO_GROUP: 731 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 732 req->int1 = 2; /* mark group as finished */
351 733
… …
363 case EIO_NOP: 745 case EIO_NOP:
364 case EIO_BUSY: 746 case EIO_BUSY:
365 break; 747 break;
366 748
367 case EIO_READLINK: 749 case EIO_READLINK:
750 case EIO_REALPATH:
368 if (req->result > 0) 751 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 752 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 753 break;
371 754
372 case EIO_STAT: 755 case EIO_STAT:
373 case EIO_LSTAT: 756 case EIO_LSTAT:
374 case EIO_FSTAT: 757 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 758 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
759
376 PL_laststatval = req->result; 760 if (!(PL_laststatval = req->result))
761 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 762 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 763
764 PUSHs (sv_result);
765 break;
766
767 case EIO_SEEK:
768 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
379 break; 769 break;
380 770
381 case EIO_READ: 771 case EIO_READ:
382 { 772 {
383 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 773 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
384 *SvEND (req->sv2) = 0; 774 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 775 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 776 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 777 PUSHs (sv_result);
388 } 778 }
389 break; 779 break;
390 780
391 case EIO_DUP2: 781 case EIO_SLURP:
782 {
783 if (req->result >= 0)
784 {
785 /* if length was originally not known, we steal the malloc'ed memory */
786 if (req->flags & EIO_FLAG_PTR2_FREE)
787 {
788 req->flags &= ~EIO_FLAG_PTR2_FREE;
789 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
790 }
791 else
792 {
793 SvCUR_set (req->sv2, req->result);
794 *SvEND (req->sv2) = 0;
795 SvPOK_only (req->sv2);
796 }
797
798 SvSETMAGIC (req->sv2);
799 }
800
801 PUSHs (sv_result);
802 }
803 break;
804
805 case EIO_CUSTOM:
806 if (req->feed == fiemap)
807 {
808#if HAVE_FIEMAP
809 if (!req->result)
810 {
811 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
812
813 if (fiemap->fm_extent_count)
814 {
815 AV *av = newAV ();
816 int i;
817
818 while (fiemap->fm_mapped_extents)
819 {
820 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
821 AV *ext_av = newAV ();
822
823 av_store (ext_av, 3, newSVuv (extent->fe_flags));
824 av_store (ext_av, 2, newSVval64 (extent->fe_length));
825 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
826 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
827
828 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
829 }
830
831 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
832 }
833 else
834 {
835 SvIV_set (sv_result, fiemap->fm_mapped_extents);
836 PUSHs (sv_result);
837 }
838 }
839#endif
840 }
841 else
842 PUSHs (sv_result);
843 break;
844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
851 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
392 if (req->result > 0) 852 if (req->result > 0)
393 req->result = 0; 853 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
395 855
396 default: 856 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 857 PUSHs (sv_result);
398 break; 858 break;
399 } 859 }
400 860
401 errno = req->errorno; 861 errno = req->errorno;
402 862
403 PUTBACK; 863 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 864 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 865 SPAGAIN;
406 866
867 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
868 SvREFCNT_dec (sv_result);
869 else
870 sv_result_cache = sv_result;
871
407 FREETMPS; 872 FREETMPS;
408 LEAVE; 873 LEAVE;
409 874
410 PUTBACK; 875 PUTBACK;
411 } 876 }
412 877
413 return !!SvTRUE (ERRSV); 878 return !!SvTRUE (ERRSV);
414} 879}
415 880
881static void
416static void req_destroy (aio_req req) 882req_destroy (aio_req req)
417{ 883{
418 if (req->self) 884 if (req->self)
419 { 885 {
420 sv_unmagic (req->self, PERL_MAGIC_ext); 886 sv_unmagic (req->self, PERL_MAGIC_ext);
421 SvREFCNT_dec (req->self); 887 SvREFCNT_dec (req->self);
422 } 888 }
423 889
424 SvREFCNT_dec (req->sv1); 890 SvREFCNT_dec (req->sv1);
425 SvREFCNT_dec (req->sv2); 891 SvREFCNT_dec (req->sv2);
892 SvREFCNT_dec (req->sv3);
893 SvREFCNT_dec (req->sv4);
426 SvREFCNT_dec (req->callback); 894 SvREFCNT_dec (req->callback);
427 895
428 Safefree (req); 896 free (req);
429} 897}
430 898
899static void
431static void req_cancel_subs (aio_req grp) 900req_cancel_subs (aio_req grp)
432{ 901{
433 aio_req sub;
434
435 if (grp->type != EIO_GROUP) 902 if (grp->type != EIO_GROUP)
436 return; 903 return;
437 904
438 SvREFCNT_dec (grp->sv2); 905 SvREFCNT_dec (grp->sv2);
439 grp->sv2 = 0; 906 grp->sv2 = 0;
440 907
441 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
442} 909}
443 910
444#ifdef USE_SOCKETS_AS_HANDLES 911ecb_cold
445# define TO_SOCKET(x) (win32_get_osfhandle (x))
446#else
447# define TO_SOCKET(x) (x)
448#endif
449
450static void 912static void
451create_respipe (void) 913create_respipe (void)
452{ 914{
453 int old_readfd = respipe [0];
454
455 if (respipe [1] >= 0)
456 respipe_close (TO_SOCKET (respipe [1]));
457
458#ifdef _WIN32
459 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
460#else
461 if (pipe (respipe)) 915 if (s_epipe_renew (&respipe))
462#endif
463 croak ("unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
464
465 if (old_readfd >= 0)
466 {
467 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
468 croak ("unable to initialize result pipe(2)");
469
470 respipe_close (respipe [0]);
471 respipe [0] = old_readfd;
472 }
473
474#ifdef _WIN32
475 int arg = 1;
476 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
477 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
478#else
479 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
480 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
481#endif
482 croak ("unable to initialize result pipe(3)");
483
484 respipe_osf [0] = TO_SOCKET (respipe [0]);
485 respipe_osf [1] = TO_SOCKET (respipe [1]);
486} 917}
487 918
488static void poll_wait (void) 919static void
920poll_wait (void)
489{ 921{
490 fd_set rfd;
491
492 while (eio_nreqs ()) 922 while (eio_nreqs ())
493 { 923 {
494 int size; 924 int size;
495 925
496 X_LOCK (reslock); 926 X_LOCK (EIO_POOL->reslock);
497 size = res_queue.size; 927 size = EIO_POOL->res_queue.size;
498 X_UNLOCK (reslock); 928 X_UNLOCK (EIO_POOL->reslock);
499 929
500 if (size) 930 if (size)
501 return; 931 return;
502 932
503 etp_maybe_start_thread (); 933 etp_maybe_start_thread (EIO_POOL);
504 934
505 FD_ZERO (&rfd); 935 s_epipe_wait (&respipe);
506 FD_SET (respipe [0], &rfd);
507
508 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
509 } 936 }
510} 937}
511 938
512static int poll_cb (void) 939static int
940poll_cb (void)
513{ 941{
514 for (;;) 942 for (;;)
515 { 943 {
516 int res = eio_poll (); 944 int res = eio_poll ();
517 945
… …
523 951
524 poll_wait (); 952 poll_wait ();
525 } 953 }
526} 954}
527 955
528static void atfork_child (void) 956ecb_cold
957static void
958reinit (void)
529{ 959{
530 create_respipe (); 960 create_respipe ();
961
962 if (eio_init (want_poll, done_poll) < 0)
963 croak ("IO::AIO: unable to initialise eio library");
531} 964}
965
966/*****************************************************************************/
532 967
533static SV * 968static SV *
534get_cb (SV *cb_sv) 969get_cb (SV *cb_sv)
535{ 970{
536 HV *st; 971 SvGETMAGIC (cb_sv);
537 GV *gvp; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
973}
974
975ecb_noinline
976static aio_req ecb_noinline
977dreq (SV *callback)
978{
538 CV *cv; 979 SV *cb_cv;
980 aio_req req;
981 int req_pri = next_pri;
982 next_pri = EIO_PRI_DEFAULT;
539 983
540 if (!SvOK (cb_sv)) 984 cb_cv = get_cb (callback);
985
986 req = calloc (sizeof (*req), 1);
987 if (!req)
988 croak ("out of memory during eio_req allocation");
989
990 req->callback = SvREFCNT_inc (cb_cv);
991 req->pri = req_pri;
992
541 return 0; 993 return req;
542
543 cv = sv_2cv (cb_sv, &st, &gvp, 0);
544
545 if (!cv)
546 croak ("IO::AIO callback must be undef or a CODE reference");
547
548 return (SV *)cv;
549} 994}
550 995
551#define dREQ \ 996#define dREQ \
552 SV *cb_cv; \ 997 aio_req req = dreq (callback); \
553 aio_req req; \
554 int req_pri = next_pri; \
555 next_pri = EIO_PRI_DEFAULT; \
556 \
557 cb_cv = get_cb (callback); \
558 \
559 Newz (0, req, 1, eio_req); \
560 if (!req) \
561 croak ("out of memory during eio_req allocation"); \
562 \
563 req->callback = SvREFCNT_inc (cb_cv); \
564 req->pri = req_pri
565 998
566#define REQ_SEND \ 999#define REQ_SEND \
567 PUTBACK; \ 1000 PUTBACK; \
568 req_submit (req); \ 1001 req_submit (req); \
569 SPAGAIN; \ 1002 SPAGAIN; \
570 \ 1003 \
571 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
572 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 1005 XPUSHs (req_sv (req, aio_req_stash));
573 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1008ecb_inline
1009void
1010req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1011{
1012 if (expect_false (SvROK (path)))
1013 {
1014 SV *rv = SvRV (path);
1015 SV *wdob;
1016
1017 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1018 {
1019 path = AvARRAY (rv)[1];
1020 wdob = AvARRAY (rv)[0];
1021
1022 if (SvOK (wdob))
1023 {
1024 *wd = SvAIO_WD (wdob);
1025 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1026 }
1027 else
1028 *wd = EIO_INVALID_WD;
1029 }
1030 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1031 {
1032 *wd = (aio_wd)(long)SvIVX (rv);
1033 *wdsv = SvREFCNT_inc_NN (rv);
1034 *ptr = ".";
1035 return; /* path set to "." */
1036 }
1037 else
1038 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1039 }
1040
1041 *pathsv = newSVsv (path);
1042 *ptr = SvPVbyte_nolen (*pathsv);
1043}
1044
1045ecb_noinline
574static int 1046static void
575extract_fd (SV *fh, int wr) 1047req_set_path1 (aio_req req, SV *path)
576{ 1048{
577 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1049 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
578
579 if (fd < 0)
580 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
581
582 return fd;
583} 1050}
1051
1052ecb_noinline
1053static void
1054req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1055{
1056 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1057
1058 switch (SvTYPE (rv))
1059 {
1060 case SVt_PVIO:
1061 case SVt_PVLV:
1062 case SVt_PVGV:
1063 req->type = type_fh;
1064 req->sv1 = newSVsv (fh_or_path);
1065 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1066 break;
1067
1068 default:
1069 req->type = type_path;
1070 req_set_path1 (req, fh_or_path);
1071 break;
1072 }
1073}
1074
1075/*****************************************************************************/
1076
1077static void
1078ts_set (struct timespec *ts, NV value)
1079{
1080 ts->tv_sec = value;
1081 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1082}
1083
1084static NV
1085ts_get (const struct timespec *ts)
1086{
1087 return ts->tv_sec + ts->tv_nsec * 1e-9;
1088}
1089
1090/*****************************************************************************/
1091
1092XS(boot_IO__AIO) ecb_cold;
584 1093
585MODULE = IO::AIO PACKAGE = IO::AIO 1094MODULE = IO::AIO PACKAGE = IO::AIO
586 1095
587PROTOTYPES: ENABLE 1096PROTOTYPES: ENABLE
588 1097
… …
590{ 1099{
591 static const struct { 1100 static const struct {
592 const char *name; 1101 const char *name;
593 IV iv; 1102 IV iv;
594 } *civ, const_iv[] = { 1103 } *civ, const_iv[] = {
595# define const_iv(name, value) { # name, (IV) value }, 1104# define const_niv(name, value) { # name, (IV) value },
1105# define const_iv(name) { # name, (IV) name },
596# define const_eio(name) { # name, (IV) EIO_ ## name }, 1106# define const_eio(name) { # name, (IV) EIO_ ## name },
597 const_iv (EXDEV , EXDEV) 1107
1108 /* you have to re-run ./gendef0 after adding/removing any constants here */
1109 /* the first block can be undef if missing */
598 const_iv (ENOSYS , ENOSYS) 1110 const_iv (ENOSYS)
599 const_iv (O_RDONLY, O_RDONLY) 1111 const_iv (EXDEV)
600 const_iv (O_WRONLY, O_WRONLY) 1112 const_iv (EBADR)
601 const_iv (O_CREAT , O_CREAT) 1113
602 const_iv (O_TRUNC , O_TRUNC) 1114 /* for lseek */
603#ifndef _WIN32 1115 const_iv (SEEK_DATA)
604 const_iv (S_IFIFO , S_IFIFO) 1116 const_iv (SEEK_HOLE)
605#endif 1117
606 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1118 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
607 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1119 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
608 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1120 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
609 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1121 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
610 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1122 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
611 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1123 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1124
1125 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1126 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1127 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1128 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1129 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1130
1131 /* the second block will be 0 when missing */
1132 const_iv (O_ACCMODE)
1133
1134 const_iv (O_RDONLY)
1135 const_iv (O_WRONLY)
1136 const_iv (O_RDWR)
1137 const_iv (O_CREAT)
1138 const_iv (O_TRUNC)
1139 const_iv (O_EXCL)
1140 const_iv (O_APPEND)
1141
1142 const_iv (O_ASYNC)
1143 const_iv (O_DIRECT)
1144 const_iv (O_NOATIME)
1145
1146 const_iv (O_CLOEXEC)
1147 const_iv (O_NOCTTY)
1148 const_iv (O_NOFOLLOW)
1149 const_iv (O_NONBLOCK)
1150 const_iv (O_EXEC)
1151 const_iv (O_SEARCH)
1152 const_iv (O_DIRECTORY)
1153 const_iv (O_DSYNC)
1154 const_iv (O_RSYNC)
1155 const_iv (O_SYNC)
1156 const_iv (O_PATH)
1157 const_iv (O_TMPFILE)
1158 const_iv (O_TTY_INIT)
1159
1160 const_iv (S_IFIFO)
1161 const_iv (S_IFCHR)
1162 const_iv (S_IFBLK)
1163 const_iv (S_IFLNK)
1164 const_iv (S_IFREG)
1165 const_iv (S_IFDIR)
1166 const_iv (S_IFWHT)
1167 const_iv (S_IFSOCK)
1168 const_iv (S_IFMT)
1169
1170 const_iv (ST_RDONLY)
1171 const_iv (ST_NOSUID)
1172 const_iv (ST_NODEV)
1173 const_iv (ST_NOEXEC)
1174 const_iv (ST_SYNCHRONOUS)
1175 const_iv (ST_MANDLOCK)
1176 const_iv (ST_WRITE)
1177 const_iv (ST_APPEND)
1178 const_iv (ST_IMMUTABLE)
1179 const_iv (ST_NOATIME)
1180 const_iv (ST_NODIRATIME)
1181 const_iv (ST_RELATIME)
1182
1183 const_iv (PROT_NONE)
1184 const_iv (PROT_EXEC)
1185 const_iv (PROT_READ)
1186 const_iv (PROT_WRITE)
1187
1188 const_iv (MAP_PRIVATE)
1189 const_iv (MAP_SHARED)
1190 const_iv (MAP_FIXED)
1191 const_iv (MAP_ANONYMOUS)
1192
1193 /* linuxish */
1194 const_iv (MAP_LOCKED)
1195 const_iv (MAP_NORESERVE)
1196 const_iv (MAP_POPULATE)
1197 const_iv (MAP_NONBLOCK)
1198 const_iv (MAP_GROWSDOWN)
1199 const_iv (MAP_32BIT)
1200 const_iv (MAP_HUGETLB)
1201 const_iv (MAP_STACK)
1202
1203 const_iv (MREMAP_MAYMOVE)
1204 const_iv (MREMAP_FIXED)
1205
1206 const_iv (MSG_CMSG_CLOEXEC)
1207 const_iv (SOCK_CLOEXEC)
1208
1209 const_iv (F_DUPFD_CLOEXEC)
1210
1211 const_iv (F_ADD_SEALS)
1212 const_iv (F_GET_SEALS)
1213 const_iv (F_SEAL_SEAL)
1214 const_iv (F_SEAL_SHRINK)
1215 const_iv (F_SEAL_GROW)
1216 const_iv (F_SEAL_WRITE)
1217
1218 const_iv (F_OFD_GETLK)
1219 const_iv (F_OFD_SETLK)
1220 const_iv (F_OFD_GETLKW)
1221
1222 const_iv (FIFREEZE)
1223 const_iv (FITHAW)
1224 const_iv (FITRIM)
1225 const_iv (FICLONE)
1226 const_iv (FICLONERANGE)
1227 const_iv (FIDEDUPERANGE)
1228
1229 const_iv (FS_IOC_GETFLAGS)
1230 const_iv (FS_IOC_SETFLAGS)
1231 const_iv (FS_IOC_GETVERSION)
1232 const_iv (FS_IOC_SETVERSION)
1233 const_iv (FS_IOC_FIEMAP)
1234 const_iv (FS_IOC_FSGETXATTR)
1235 const_iv (FS_IOC_FSSETXATTR)
1236 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1237 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1238 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1239
1240 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1241
1242 const_iv (FS_SECRM_FL)
1243 const_iv (FS_UNRM_FL)
1244 const_iv (FS_COMPR_FL)
1245 const_iv (FS_SYNC_FL)
1246 const_iv (FS_IMMUTABLE_FL)
1247 const_iv (FS_APPEND_FL)
1248 const_iv (FS_NODUMP_FL)
1249 const_iv (FS_NOATIME_FL)
1250 const_iv (FS_DIRTY_FL)
1251 const_iv (FS_COMPRBLK_FL)
1252 const_iv (FS_NOCOMP_FL)
1253 const_iv (FS_ENCRYPT_FL)
1254 const_iv (FS_BTREE_FL)
1255 const_iv (FS_INDEX_FL)
1256 const_iv (FS_JOURNAL_DATA_FL)
1257 const_iv (FS_NOTAIL_FL)
1258 const_iv (FS_DIRSYNC_FL)
1259 const_iv (FS_TOPDIR_FL)
1260 const_iv (FS_FL_USER_MODIFIABLE)
1261
1262 const_iv (FS_XFLAG_REALTIME)
1263 const_iv (FS_XFLAG_PREALLOC)
1264 const_iv (FS_XFLAG_IMMUTABLE)
1265 const_iv (FS_XFLAG_APPEND)
1266 const_iv (FS_XFLAG_SYNC)
1267 const_iv (FS_XFLAG_NOATIME)
1268 const_iv (FS_XFLAG_NODUMP)
1269 const_iv (FS_XFLAG_RTINHERIT)
1270 const_iv (FS_XFLAG_PROJINHERIT)
1271 const_iv (FS_XFLAG_NOSYMLINKS)
1272 const_iv (FS_XFLAG_EXTSIZE)
1273 const_iv (FS_XFLAG_EXTSZINHERIT)
1274 const_iv (FS_XFLAG_NODEFRAG)
1275 const_iv (FS_XFLAG_FILESTREAM)
1276 const_iv (FS_XFLAG_DAX)
1277 const_iv (FS_XFLAG_HASATTR)
1278
1279 const_iv (FIEMAP_FLAG_SYNC)
1280 const_iv (FIEMAP_FLAG_XATTR)
1281 const_iv (FIEMAP_FLAGS_COMPAT)
1282 const_iv (FIEMAP_EXTENT_LAST)
1283 const_iv (FIEMAP_EXTENT_UNKNOWN)
1284 const_iv (FIEMAP_EXTENT_DELALLOC)
1285 const_iv (FIEMAP_EXTENT_ENCODED)
1286 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1287 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1288 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1289 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1290 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1291 const_iv (FIEMAP_EXTENT_MERGED)
1292 const_iv (FIEMAP_EXTENT_SHARED)
1293
1294 const_iv (SPLICE_F_MOVE)
1295 const_iv (SPLICE_F_NONBLOCK)
1296 const_iv (SPLICE_F_MORE)
1297 const_iv (SPLICE_F_GIFT)
1298
1299 const_iv (EFD_CLOEXEC)
1300 const_iv (EFD_NONBLOCK)
1301 const_iv (EFD_SEMAPHORE)
1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1307 const_iv (CLOCK_REALTIME)
1308 const_iv (CLOCK_MONOTONIC)
1309 const_iv (CLOCK_BOOTTIME)
1310 const_iv (CLOCK_REALTIME_ALARM)
1311 const_iv (CLOCK_BOOTTIME_ALARM)
1312
1313 const_iv (TFD_NONBLOCK)
1314 const_iv (TFD_CLOEXEC)
1315
1316 const_iv (TFD_TIMER_ABSTIME)
1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1318
1319 const_iv (STATX_TYPE)
1320 const_iv (STATX_MODE)
1321 const_iv (STATX_NLINK)
1322 const_iv (STATX_UID)
1323 const_iv (STATX_GID)
1324 const_iv (STATX_ATIME)
1325 const_iv (STATX_MTIME)
1326 const_iv (STATX_CTIME)
1327 const_iv (STATX_INO)
1328 const_iv (STATX_SIZE)
1329 const_iv (STATX_BLOCKS)
1330 const_iv (STATX_BASIC_STATS)
1331 const_iv (STATX_ALL)
1332 const_iv (STATX_BTIME)
1333 const_iv (STATX_ATTR_COMPRESSED)
1334 const_iv (STATX_ATTR_IMMUTABLE)
1335 const_iv (STATX_ATTR_APPEND)
1336 const_iv (STATX_ATTR_NODUMP)
1337 const_iv (STATX_ATTR_ENCRYPTED)
1338 const_iv (STATX_ATTR_AUTOMOUNT)
1339
1340 const_iv (AT_FDCWD)
1341 const_iv (AT_SYMLINK_NOFOLLOW)
1342 const_iv (AT_EACCESS)
1343 const_iv (AT_REMOVEDIR)
1344 const_iv (AT_SYMLINK_FOLLOW)
1345 const_iv (AT_NO_AUTOMOUNT)
1346 const_iv (AT_EMPTY_PATH)
1347 const_iv (AT_STATX_SYNC_TYPE)
1348 const_iv (AT_STATX_AS_STAT)
1349 const_iv (AT_STATX_FORCE_SYNC)
1350 const_iv (AT_STATX_DONT_SYNC)
1351 const_iv (AT_RECURSIVE)
1352
1353 const_iv (OPEN_TREE_CLONE)
1354
1355 const_iv (FSOPEN_CLOEXEC)
1356
1357 const_iv (FSPICK_CLOEXEC)
1358 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1359 const_iv (FSPICK_NO_AUTOMOUNT)
1360 const_iv (FSPICK_EMPTY_PATH)
1361
1362 const_iv (MOVE_MOUNT_F_SYMLINKS)
1363 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1364 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1365 const_iv (MOVE_MOUNT_T_SYMLINKS)
1366 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1367 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1368
1369 /* these are libeio constants, and are independent of gendef0 */
1370 const_eio (SEEK_SET)
1371 const_eio (SEEK_CUR)
1372 const_eio (SEEK_END)
1373
1374 const_eio (MCL_FUTURE)
1375 const_eio (MCL_CURRENT)
1376 const_eio (MCL_ONFAULT)
1377
1378 const_eio (MS_ASYNC)
1379 const_eio (MS_INVALIDATE)
1380 const_eio (MS_SYNC)
1381
1382 const_eio (MT_MODIFY)
612 1383
613 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1384 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
614 const_eio (SYNC_FILE_RANGE_WRITE) 1385 const_eio (SYNC_FILE_RANGE_WRITE)
615 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1386 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1387
1388 const_eio (FALLOC_FL_KEEP_SIZE)
1389 const_eio (FALLOC_FL_PUNCH_HOLE)
1390 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1391 const_eio (FALLOC_FL_ZERO_RANGE)
1392 const_eio (FALLOC_FL_INSERT_RANGE)
1393 const_eio (FALLOC_FL_UNSHARE_RANGE)
1394
1395 const_eio (RENAME_NOREPLACE)
1396 const_eio (RENAME_EXCHANGE)
1397 const_eio (RENAME_WHITEOUT)
616 1398
617 const_eio (READDIR_DENTS) 1399 const_eio (READDIR_DENTS)
618 const_eio (READDIR_DIRS_FIRST) 1400 const_eio (READDIR_DIRS_FIRST)
619 const_eio (READDIR_STAT_ORDER) 1401 const_eio (READDIR_STAT_ORDER)
620 const_eio (READDIR_FOUND_UNKNOWN) 1402 const_eio (READDIR_FOUND_UNKNOWN)
… …
628 const_eio (DT_LNK) 1410 const_eio (DT_LNK)
629 const_eio (DT_SOCK) 1411 const_eio (DT_SOCK)
630 const_eio (DT_WHT) 1412 const_eio (DT_WHT)
631 }; 1413 };
632 1414
633 stash = gv_stashpv ("IO::AIO", 1); 1415 aio_stash = gv_stashpv ("IO::AIO" , 1);
1416 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1417 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1418 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
634 1419
635 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1420 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
636 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1421 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
637 1422
638 create_respipe (); 1423 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
639 1424
640 if (eio_init (want_poll, done_poll) < 0) 1425 /* allocate dummy pipe fd for aio_close */
641 croak ("IO::AIO: unable to initialise eio library"); 1426 {
1427 int pipefd [2];
642 1428
643 /* atfork child called in fifo order, so before eio's handler */ 1429 if (
644 X_THREAD_ATFORK (0, 0, atfork_child); 1430#ifdef _WIN32
645} 1431 _pipe (pipefd, 1, _O_BINARY) < 0
1432#else
1433 pipe (pipefd) < 0
1434 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1435#endif
1436 || close (pipefd [1]) < 0
1437 )
1438 croak ("IO::AIO: unable to create dummy pipe for aio_close");
646 1439
1440 close_fd = pipefd [0];
1441 }
1442
1443 reinit ();
1444}
1445
647void 1446void
1447reinit ()
1448 PROTOTYPE:
1449
1450void
648max_poll_reqs (int nreqs) 1451max_poll_reqs (unsigned int nreqs)
649 PROTOTYPE: $ 1452 PROTOTYPE: $
650 CODE: 1453 CODE:
651 eio_set_max_poll_reqs (nreqs); 1454 eio_set_max_poll_reqs (nreqs);
652 1455
653void 1456void
… …
655 PROTOTYPE: $ 1458 PROTOTYPE: $
656 CODE: 1459 CODE:
657 eio_set_max_poll_time (nseconds); 1460 eio_set_max_poll_time (nseconds);
658 1461
659void 1462void
660min_parallel (int nthreads) 1463min_parallel (unsigned int nthreads)
661 PROTOTYPE: $ 1464 PROTOTYPE: $
662 CODE: 1465 CODE:
663 eio_set_min_parallel (nthreads); 1466 eio_set_min_parallel (nthreads);
664 1467
665void 1468void
666max_parallel (int nthreads) 1469max_parallel (unsigned int nthreads)
667 PROTOTYPE: $ 1470 PROTOTYPE: $
668 CODE: 1471 CODE:
669 eio_set_max_parallel (nthreads); 1472 eio_set_max_parallel (nthreads);
670 1473
671void 1474void
672max_idle (int nthreads) 1475max_idle (unsigned int nthreads)
673 PROTOTYPE: $ 1476 PROTOTYPE: $
674 CODE: 1477 CODE:
675 eio_set_max_idle (nthreads); 1478 eio_set_max_idle (nthreads);
676 1479
677void 1480void
1481idle_timeout (unsigned int seconds)
1482 PROTOTYPE: $
1483 CODE:
1484 eio_set_idle_timeout (seconds);
1485
1486void
678max_outstanding (int maxreqs) 1487max_outstanding (unsigned int maxreqs)
679 PROTOTYPE: $ 1488 PROTOTYPE: $
680 CODE: 1489 CODE:
681 max_outstanding = maxreqs; 1490 max_outstanding = maxreqs;
682 1491
683void 1492void
684aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1493aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1494 PPCODE:
687{ 1495{
688 dREQ; 1496 dREQ;
689 1497
1498 req->type = EIO_WD_OPEN;
1499 req_set_path1 (req, pathname);
1500
1501 REQ_SEND;
1502}
1503
1504void
1505aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1506 PPCODE:
1507{
1508 dREQ;
1509
690 req->type = EIO_OPEN; 1510 req->type = EIO_OPEN;
691 req->sv1 = newSVsv (pathname); 1511 req_set_path1 (req, pathname);
692 req->ptr1 = SvPVbyte_nolen (req->sv1);
693 req->int1 = flags; 1512 req->int1 = flags;
694 req->int2 = mode; 1513 req->int2 = mode;
695 1514
696 REQ_SEND; 1515 REQ_SEND;
697} 1516}
698 1517
699void 1518void
700aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1519aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
701 PROTOTYPE: $;$
702 ALIAS: 1520 ALIAS:
703 aio_fsync = EIO_FSYNC 1521 aio_fsync = EIO_FSYNC
704 aio_fdatasync = EIO_FDATASYNC 1522 aio_fdatasync = EIO_FDATASYNC
1523 aio_syncfs = EIO_SYNCFS
705 PPCODE: 1524 PPCODE:
706{ 1525{
707 int fd = extract_fd (fh, 0); 1526 int fd = s_fileno_croak (fh, 0);
708 dREQ; 1527 dREQ;
709 1528
710 req->type = ix; 1529 req->type = ix;
711 req->sv1 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
712 req->int1 = fd; 1531 req->int1 = fd;
713 1532
714 REQ_SEND (req); 1533 REQ_SEND;
715} 1534}
716 1535
717void 1536void
718aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1537aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
719 PROTOTYPE: $$$$;$
720 PPCODE: 1538 PPCODE:
721{ 1539{
722 int fd = extract_fd (fh, 0); 1540 int fd = s_fileno_croak (fh, 0);
723 dREQ; 1541 dREQ;
724 1542
725 req->type = EIO_SYNC_FILE_RANGE; 1543 req->type = EIO_SYNC_FILE_RANGE;
726 req->sv1 = newSVsv (fh); 1544 req->sv1 = newSVsv (fh);
727 req->int1 = fd; 1545 req->int1 = fd;
728 req->offs = offset; 1546 req->offs = offset;
729 req->size = nbytes; 1547 req->size = nbytes;
730 req->int2 = flags; 1548 req->int2 = flags;
731 1549
732 REQ_SEND (req); 1550 REQ_SEND;
733} 1551}
734 1552
735void 1553void
736aio_close (SV *fh, SV *callback=&PL_sv_undef) 1554aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
737 PROTOTYPE: $;$
738 PPCODE: 1555 PPCODE:
739{ 1556{
740 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1557 int fd = s_fileno_croak (fh, 0);
741 int fd = extract_fd (fh, 0);
742 dREQ; 1558 dREQ;
743 1559
744 if (close_pipe < 0) 1560 req->type = EIO_FALLOCATE;
1561 req->sv1 = newSVsv (fh);
1562 req->int1 = fd;
1563 req->int2 = mode;
1564 req->offs = offset;
1565 req->size = len;
1566
1567 REQ_SEND;
1568}
1569
1570void
1571aio_close (SV *fh, SV *callback = &PL_sv_undef)
1572 PPCODE:
1573{
1574 int fd = s_fileno_croak (fh, 0);
1575 dREQ;
1576#if 0
1577 /* partially duplicate logic in s_fileno */
1578 SvGETMAGIC (fh);
1579
1580 if (SvROK (fh))
1581 {
1582 fh = SvRV (fh);
1583 SvGETMAGIC (fh);
1584 }
1585
1586 if (SvTYPE (fh) == SVt_PVGV)
745 { 1587 {
746 int pipefd [2]; 1588 /* perl filehandle */
1589 PerlIOUnix_refcnt_inc (fd);
1590 do_close ((GV *)fh, 1);
747 1591
748 if (pipe (pipefd) < 0 1592 req->type = EIO_CLOSE;
749 || close (pipefd [1]) < 0 1593 req->int1 = fd;
750 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1594 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
751 abort (); /*D*/
752
753 close_pipe = pipefd [0];
754 } 1595 }
755 1596 else
1597#endif
1598 {
1599 /* fd number */
756 req->type = EIO_DUP2; 1600 req->type = EIO_DUP2;
757 req->int1 = close_pipe; 1601 req->int1 = close_fd;
1602 req->sv2 = newSVsv (fh);
1603 req->int2 = fd;
1604 }
1605
1606 REQ_SEND;
1607}
1608
1609void
1610aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1611 PPCODE:
1612{
1613 int fd = s_fileno_croak (fh, 0);
1614 dREQ;
1615
1616 req->type = EIO_SEEK;
758 req->sv2 = newSVsv (fh); 1617 req->sv1 = newSVsv (fh);
759 req->int2 = fd; 1618 req->int1 = fd;
1619 req->offs = SvVAL64 (offset);
1620 req->int2 = whence;
760 1621
761 REQ_SEND (req); 1622 REQ_SEND;
762} 1623}
763 1624
764void 1625void
765aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1626aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
766 ALIAS: 1627 ALIAS:
767 aio_read = EIO_READ 1628 aio_read = EIO_READ
768 aio_write = EIO_WRITE 1629 aio_write = EIO_WRITE
769 PROTOTYPE: $$$$$;$
770 PPCODE: 1630 PPCODE:
771{ 1631{
772 STRLEN svlen; 1632 STRLEN svlen;
773 int fd = extract_fd (fh, ix == EIO_WRITE); 1633 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
774 char *svptr = SvPVbyte (data, svlen); 1634 char *svptr = SvPVbyte (data, svlen);
775 UV len = SvUV (length); 1635 UV len = SvUV (length);
776 1636
777 if (dataoffset < 0) 1637 if (dataoffset < 0)
778 dataoffset += svlen; 1638 dataoffset += svlen;
… …
787 len = svlen - dataoffset; 1647 len = svlen - dataoffset;
788 } 1648 }
789 else 1649 else
790 { 1650 {
791 /* read: check type and grow scalar as necessary */ 1651 /* read: check type and grow scalar as necessary */
792 SvUPGRADE (data, SVt_PV); 1652 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
793 svptr = SvGROW (data, len + dataoffset + 1); 1653 svptr = sv_grow (data, len + dataoffset + 1);
1654 else if (SvCUR (data) < len + dataoffset)
1655 croak ("length + dataoffset outside of scalar, and cannot grow");
794 } 1656 }
795 1657
796 { 1658 {
797 dREQ; 1659 dREQ;
798 1660
… …
814 REQ_SEND; 1676 REQ_SEND;
815 } 1677 }
816} 1678}
817 1679
818void 1680void
819aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1681aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
820 PROTOTYPE: $$;$ 1682 ALIAS:
1683 aio_ioctl = EIO_IOCTL
1684 aio_fcntl = EIO_FCNTL
821 PPCODE: 1685 PPCODE:
822{ 1686{
823 SV *data; 1687 int fd = s_fileno_croak (fh, 0);
1688 char *svptr;
1689
1690 if (SvPOK (arg) || !SvNIOK (arg))
1691 {
1692 STRLEN svlen;
1693 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1694#ifdef IOCPARM_LEN
1695 STRLEN need = IOCPARM_LEN (request);
1696#else
1697 STRLEN need = 256;
1698#endif
1699
1700 if (svlen < need)
1701 svptr = SvGROW (arg, need);
1702 }
1703 else
1704 svptr = (char *)SvIV (arg);
1705
1706 {
1707 dREQ;
1708
1709 req->type = ix;
1710 req->sv1 = newSVsv (fh);
1711 req->int1 = fd;
1712 req->int2 = (long)request;
1713 req->sv2 = SvREFCNT_inc (arg);
1714 req->ptr2 = svptr;
1715
1716 REQ_SEND;
1717 }
1718}
1719
1720void
1721aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1722 ALIAS:
1723 aio_readlink = EIO_READLINK
1724 aio_realpath = EIO_REALPATH
1725 PPCODE:
1726{
824 dREQ; 1727 dREQ;
825 1728
826 req->type = EIO_READLINK; 1729 req->type = ix;
827 req->sv1 = newSVsv (path); 1730 req_set_path1 (req, pathname);
828 req->ptr1 = SvPVbyte_nolen (req->sv1);
829 1731
830 REQ_SEND; 1732 REQ_SEND;
831} 1733}
832 1734
833void 1735void
834aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1736aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
835 PROTOTYPE: $$$$;$
836 PPCODE: 1737 PPCODE:
837{ 1738{
838 int ifd = extract_fd (in_fh , 0); 1739 int ifd = s_fileno_croak (in_fh , 0);
839 int ofd = extract_fd (out_fh, 0); 1740 int ofd = s_fileno_croak (out_fh, 1);
840 dREQ; 1741 dREQ;
841 1742
842 req->type = EIO_SENDFILE; 1743 req->type = EIO_SENDFILE;
843 req->sv1 = newSVsv (out_fh); 1744 req->sv1 = newSVsv (out_fh);
844 req->int1 = ofd; 1745 req->int1 = ofd;
… …
849 1750
850 REQ_SEND; 1751 REQ_SEND;
851} 1752}
852 1753
853void 1754void
854aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1755aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
855 PROTOTYPE: $$$;$
856 PPCODE: 1756 PPCODE:
857{ 1757{
858 int fd = extract_fd (fh, 0); 1758 int fd = s_fileno_croak (fh, 0);
859 dREQ; 1759 dREQ;
860 1760
861 req->type = EIO_READAHEAD; 1761 req->type = EIO_READAHEAD;
862 req->sv1 = newSVsv (fh); 1762 req->sv1 = newSVsv (fh);
863 req->int1 = fd; 1763 req->int1 = fd;
… …
866 1766
867 REQ_SEND; 1767 REQ_SEND;
868} 1768}
869 1769
870void 1770void
871aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1771aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
872 ALIAS: 1772 ALIAS:
873 aio_stat = EIO_STAT 1773 aio_stat = EIO_STAT
874 aio_lstat = EIO_LSTAT 1774 aio_lstat = EIO_LSTAT
1775 aio_statvfs = EIO_STATVFS
875 PPCODE: 1776 PPCODE:
876{ 1777{
877 dREQ; 1778 dREQ;
878 1779
879 req->sv1 = newSVsv (fh_or_path); 1780 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
880
881 if (SvPOK (req->sv1))
882 {
883 req->type = ix;
884 req->ptr1 = SvPVbyte_nolen (req->sv1);
885 }
886 else
887 {
888 req->type = EIO_FSTAT;
889 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
890 }
891 1781
892 REQ_SEND; 1782 REQ_SEND;
893} 1783}
894 1784
895void 1785void
1786st_xtime ()
1787 ALIAS:
1788 st_atime = 0x01
1789 st_mtime = 0x02
1790 st_ctime = 0x04
1791 st_btime = 0x08
1792 st_xtime = 0x0f
1793 PPCODE:
1794 EXTEND (SP, 4);
1795 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1796 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1797 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1798 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1799
1800void
1801st_xtimensec ()
1802 ALIAS:
1803 st_atimensec = 0x01
1804 st_mtimensec = 0x02
1805 st_ctimensec = 0x04
1806 st_btimensec = 0x08
1807 st_xtimensec = 0x0f
1808 st_btimesec = 0x10
1809 st_gen = 0x20
1810 PPCODE:
1811 EXTEND (SP, 4);
1812 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1813 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1814 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1815 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1816 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1817 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1818
1819UV
1820major (UV dev)
1821 ALIAS:
1822 minor = 1
1823 CODE:
1824 RETVAL = ix ? minor (dev) : major (dev);
1825 OUTPUT:
1826 RETVAL
1827
1828UV
1829makedev (UV maj, UV min)
1830 CODE:
1831 RETVAL = makedev (maj, min);
1832 OUTPUT:
1833 RETVAL
1834
1835void
896aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
897 PPCODE: 1837 PPCODE:
898{ 1838{
899 dREQ; 1839 dREQ;
900 1840
901 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1841 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
902 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1842 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
903 req->sv1 = newSVsv (fh_or_path); 1843 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
904
905 if (SvPOK (req->sv1))
906 {
907 req->type = EIO_UTIME;
908 req->ptr1 = SvPVbyte_nolen (req->sv1);
909 }
910 else
911 {
912 req->type = EIO_FUTIME;
913 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
914 }
915 1844
916 REQ_SEND; 1845 REQ_SEND;
917} 1846}
918 1847
919void 1848void
920aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1849aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
921 PPCODE: 1850 PPCODE:
922{ 1851{
923 dREQ; 1852 dREQ;
924 1853
925 req->sv1 = newSVsv (fh_or_path);
926 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1854 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
927 1855 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
928 if (SvPOK (req->sv1))
929 {
930 req->type = EIO_TRUNCATE;
931 req->ptr1 = SvPVbyte_nolen (req->sv1);
932 }
933 else
934 {
935 req->type = EIO_FTRUNCATE;
936 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
937 }
938 1856
939 REQ_SEND; 1857 REQ_SEND;
940} 1858}
941 1859
942void 1860void
943aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1861aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
944 ALIAS:
945 aio_chmod = EIO_CHMOD
946 aio_mkdir = EIO_MKDIR
947 PPCODE: 1862 PPCODE:
948{ 1863{
949 dREQ; 1864 dREQ;
950 1865
951 req->int2 = mode; 1866 req->int2 = mode;
952 req->sv1 = newSVsv (fh_or_path); 1867 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
953
954 if (SvPOK (req->sv1))
955 {
956 req->type = ix;
957 req->ptr1 = SvPVbyte_nolen (req->sv1);
958 }
959 else
960 {
961 req->type = EIO_FCHMOD;
962 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
963 }
964 1868
965 REQ_SEND; 1869 REQ_SEND;
966} 1870}
967 1871
968void 1872void
969aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1873aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
970 PPCODE: 1874 PPCODE:
971{ 1875{
972 dREQ; 1876 dREQ;
973 1877
974 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1878 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
975 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1879 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
976 req->sv1 = newSVsv (fh_or_path); 1880 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
977
978 if (SvPOK (req->sv1))
979 {
980 req->type = EIO_CHOWN;
981 req->ptr1 = SvPVbyte_nolen (req->sv1);
982 }
983 else
984 {
985 req->type = EIO_FCHOWN;
986 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
987 }
988 1881
989 REQ_SEND; 1882 REQ_SEND;
990} 1883}
991 1884
992void 1885void
993aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1886aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
994 PPCODE: 1887 PPCODE:
995{ 1888{
996 dREQ; 1889 dREQ;
997 1890
998 req->type = EIO_READDIR; 1891 req->type = EIO_READDIR;
999 req->sv1 = newSVsv (pathname);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1);
1001 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1892 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1002 1893
1003 if (flags & EIO_READDIR_DENTS) 1894 if (flags & EIO_READDIR_DENTS)
1004 req->int1 |= EIO_READDIR_CUSTOM2; 1895 req->int1 |= EIO_READDIR_CUSTOM2;
1005 1896
1897 req_set_path1 (req, pathname);
1898
1006 REQ_SEND; 1899 REQ_SEND;
1007} 1900}
1008 1901
1009void 1902void
1903aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1904 PPCODE:
1905{
1906 dREQ;
1907
1908 req->type = EIO_MKDIR;
1909 req->int2 = mode;
1910 req_set_path1 (req, pathname);
1911
1912 REQ_SEND;
1913}
1914
1915void
1010aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1916aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1011 ALIAS: 1917 ALIAS:
1012 aio_unlink = EIO_UNLINK 1918 aio_unlink = EIO_UNLINK
1013 aio_rmdir = EIO_RMDIR 1919 aio_rmdir = EIO_RMDIR
1014 aio_readdir = EIO_READDIR 1920 aio_readdir = EIO_READDIR
1015 PPCODE: 1921 PPCODE:
1016{ 1922{
1017 dREQ; 1923 dREQ;
1018 1924
1019 req->type = ix; 1925 req->type = ix;
1020 req->sv1 = newSVsv (pathname); 1926 req_set_path1 (req, pathname);
1021 req->ptr1 = SvPVbyte_nolen (req->sv1);
1022 1927
1023 REQ_SEND; 1928 REQ_SEND;
1024} 1929}
1025 1930
1026void 1931void
1027aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1932aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1028 ALIAS: 1933 ALIAS:
1029 aio_link = EIO_LINK 1934 aio_link = EIO_LINK
1030 aio_symlink = EIO_SYMLINK 1935 aio_symlink = EIO_SYMLINK
1031 aio_rename = EIO_RENAME 1936 aio_rename = EIO_RENAME
1032 PPCODE: 1937 PPCODE:
1033{ 1938{
1939 eio_wd wd2 = 0;
1034 dREQ; 1940 dREQ;
1035 1941
1036 req->type = ix; 1942 req->type = ix;
1037 req->sv1 = newSVsv (oldpath); 1943 req_set_path1 (req, oldpath);
1038 req->ptr1 = SvPVbyte_nolen (req->sv1); 1944 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1039 req->sv2 = newSVsv (newpath); 1945 req->int3 = (long)wd2;
1040 req->ptr2 = SvPVbyte_nolen (req->sv2);
1041 1946
1042 REQ_SEND; 1947 REQ_SEND;
1043} 1948}
1044 1949
1045void 1950void
1951aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1952 PPCODE:
1953{
1954 eio_wd wd2 = 0;
1955 dREQ;
1956
1957 req->type = EIO_RENAME;
1958 req_set_path1 (req, oldpath);
1959 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1960 req->int2 = flags;
1961 req->int3 = (long)wd2;
1962
1963 REQ_SEND;
1964}
1965
1966void
1046aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1967aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1047 PPCODE: 1968 PPCODE:
1048{ 1969{
1049 dREQ; 1970 dREQ;
1050 1971
1051 req->type = EIO_MKNOD; 1972 req->type = EIO_MKNOD;
1052 req->sv1 = newSVsv (pathname);
1053 req->ptr1 = SvPVbyte_nolen (req->sv1);
1054 req->int2 = (mode_t)mode; 1973 req->int2 = (mode_t)mode;
1055 req->offs = dev; 1974 req->offs = dev;
1975 req_set_path1 (req, pathname);
1056 1976
1057 REQ_SEND; 1977 REQ_SEND;
1058} 1978}
1059 1979
1060void 1980void
1981aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1982 ALIAS:
1983 aio_mtouch = EIO_MTOUCH
1984 aio_msync = EIO_MSYNC
1985 PPCODE:
1986{
1987 STRLEN svlen;
1988 char *svptr = SvPVbyte (data, svlen);
1989 UV len = SvUV (length);
1990
1991 if (flags < 0)
1992 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1993
1994 if (offset < 0)
1995 offset += svlen;
1996
1997 if (offset < 0 || offset > svlen)
1998 croak ("offset outside of scalar");
1999
2000 if (!SvOK (length) || len + offset > svlen)
2001 len = svlen - offset;
2002
2003 {
2004 dREQ;
2005
2006 req->type = ix;
2007 req->sv2 = SvREFCNT_inc (data);
2008 req->ptr2 = (char *)svptr + offset;
2009 req->size = len;
2010 req->int1 = flags;
2011
2012 REQ_SEND;
2013 }
2014}
2015
2016void
2017aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2018 PPCODE:
2019{
2020 STRLEN svlen;
2021 char *svptr = SvPVbyte (data, svlen);
2022 UV len = SvUV (length);
2023
2024 if (offset < 0)
2025 offset += svlen;
2026
2027 if (offset < 0 || offset > svlen)
2028 croak ("offset outside of scalar");
2029
2030 if (!SvOK (length) || len + offset > svlen)
2031 len = svlen - offset;
2032
2033 {
2034 dREQ;
2035
2036 req->type = EIO_MLOCK;
2037 req->sv2 = SvREFCNT_inc (data);
2038 req->ptr2 = (char *)svptr + offset;
2039 req->size = len;
2040
2041 REQ_SEND;
2042 }
2043}
2044
2045void
2046aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2047 PPCODE:
2048{
2049 dREQ;
2050
2051 req->type = EIO_MLOCKALL;
2052 req->int1 = flags;
2053
2054 REQ_SEND;
2055}
2056
2057void
2058aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2059 PPCODE:
2060{
2061 int fd = s_fileno_croak (fh, 0);
2062 dREQ;
2063
2064 req->type = EIO_CUSTOM;
2065 req->sv1 = newSVsv (fh);
2066 req->int1 = fd;
2067
2068 req->feed = fiemap;
2069#if HAVE_FIEMAP
2070 /* keep our fingers crossed that the next two types are 64 bit */
2071 req->offs = start;
2072 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2073 req->int2 = flags;
2074 req->int3 = SvOK (count) ? SvIV (count) : -1;
2075#endif
2076
2077 REQ_SEND;
2078}
2079
2080void
2081aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2082 PPCODE:
2083{
2084 char *svptr = 0;
2085
2086 sv_clear_foreign (data);
2087
2088 if (length) /* known length, directly read into scalar */
2089 {
2090 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2091 svptr = sv_grow (data, length + 1);
2092 else if (SvCUR (data) < length)
2093 croak ("length outside of scalar, and cannot grow");
2094 else
2095 svptr = SvPVbyte_nolen (data);
2096 }
2097
2098 {
2099 dREQ;
2100
2101 req->type = EIO_SLURP;
2102 req_set_path1 (req, pathname);
2103 req->offs = offset;
2104 req->size = length;
2105 req->sv2 = SvREFCNT_inc (data);
2106 req->ptr2 = svptr;
2107
2108 if (!SvREADONLY (data))
2109 {
2110 SvREADONLY_on (data);
2111 req->flags |= FLAG_SV2_RO_OFF;
2112 }
2113
2114 REQ_SEND;
2115 }
2116}
2117
2118void
1061aio_busy (double delay, SV *callback=&PL_sv_undef) 2119aio_busy (double delay, SV *callback = &PL_sv_undef)
1062 PPCODE: 2120 PPCODE:
1063{ 2121{
1064 dREQ; 2122 dREQ;
1065 2123
1066 req->type = EIO_BUSY; 2124 req->type = EIO_BUSY;
… …
1068 2126
1069 REQ_SEND; 2127 REQ_SEND;
1070} 2128}
1071 2129
1072void 2130void
1073aio_group (SV *callback=&PL_sv_undef) 2131aio_group (SV *callback = &PL_sv_undef)
1074 PROTOTYPE: ;$
1075 PPCODE: 2132 PPCODE:
1076{ 2133{
1077 dREQ; 2134 dREQ;
1078 2135
1079 req->type = EIO_GROUP; 2136 req->type = EIO_GROUP;
1080 2137
2138 PUTBACK;
1081 req_submit (req); 2139 req_submit (req);
2140 SPAGAIN;
2141
1082 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2142 XPUSHs (req_sv (req, aio_grp_stash));
1083} 2143}
1084 2144
1085void 2145void
1086aio_nop (SV *callback=&PL_sv_undef) 2146aio_nop (SV *callback = &PL_sv_undef)
1087 ALIAS: 2147 ALIAS:
1088 aio_nop = EIO_NOP 2148 aio_nop = EIO_NOP
1089 aio_sync = EIO_SYNC 2149 aio_sync = EIO_SYNC
1090 PPCODE: 2150 PPCODE:
1091{ 2151{
… …
1095 2155
1096 REQ_SEND; 2156 REQ_SEND;
1097} 2157}
1098 2158
1099int 2159int
1100aioreq_pri (int pri = 0) 2160aioreq_pri (int pri = NO_INIT)
1101 PROTOTYPE: ;$
1102 CODE: 2161 CODE:
1103 RETVAL = next_pri; 2162 RETVAL = next_pri;
1104 if (items > 0) 2163 if (items > 0)
1105 { 2164 {
1106 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2165 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1118 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2177 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1119 next_pri = nice; 2178 next_pri = nice;
1120 2179
1121void 2180void
1122flush () 2181flush ()
1123 PROTOTYPE:
1124 CODE: 2182 CODE:
1125 while (eio_nreqs ()) 2183 while (eio_nreqs ())
1126 { 2184 {
1127 poll_wait (); 2185 poll_wait ();
1128 poll_cb (); 2186 poll_cb ();
1129 } 2187 }
1130 2188
1131int 2189int
1132poll() 2190poll ()
1133 PROTOTYPE:
1134 CODE: 2191 CODE:
1135 poll_wait (); 2192 poll_wait ();
1136 RETVAL = poll_cb (); 2193 RETVAL = poll_cb ();
1137 OUTPUT: 2194 OUTPUT:
1138 RETVAL 2195 RETVAL
1139 2196
1140int 2197int
1141poll_fileno() 2198poll_fileno ()
1142 PROTOTYPE:
1143 CODE: 2199 CODE:
1144 RETVAL = respipe [0]; 2200 RETVAL = s_epipe_fd (&respipe);
1145 OUTPUT: 2201 OUTPUT:
1146 RETVAL 2202 RETVAL
1147 2203
1148int 2204int
1149poll_cb(...) 2205poll_cb (...)
1150 PROTOTYPE: 2206 PROTOTYPE:
1151 CODE: 2207 CODE:
1152 RETVAL = poll_cb (); 2208 RETVAL = poll_cb ();
1153 OUTPUT: 2209 OUTPUT:
1154 RETVAL 2210 RETVAL
1155 2211
1156void 2212void
1157poll_wait() 2213poll_wait ()
1158 PROTOTYPE:
1159 CODE: 2214 CODE:
1160 poll_wait (); 2215 poll_wait ();
1161 2216
1162int 2217int
1163nreqs() 2218nreqs ()
1164 PROTOTYPE:
1165 CODE: 2219 CODE:
1166 RETVAL = eio_nreqs (); 2220 RETVAL = eio_nreqs ();
1167 OUTPUT: 2221 OUTPUT:
1168 RETVAL 2222 RETVAL
1169 2223
1170int 2224int
1171nready() 2225nready ()
1172 PROTOTYPE:
1173 CODE: 2226 CODE:
1174 RETVAL = eio_nready (); 2227 RETVAL = eio_nready ();
1175 OUTPUT: 2228 OUTPUT:
1176 RETVAL 2229 RETVAL
1177 2230
1178int 2231int
1179npending() 2232npending ()
1180 PROTOTYPE:
1181 CODE: 2233 CODE:
1182 RETVAL = eio_npending (); 2234 RETVAL = eio_npending ();
1183 OUTPUT: 2235 OUTPUT:
1184 RETVAL 2236 RETVAL
1185 2237
1186int 2238int
1187nthreads() 2239nthreads ()
1188 PROTOTYPE:
1189 CODE: 2240 CODE:
1190 RETVAL = eio_nthreads (); 2241 RETVAL = eio_nthreads ();
1191 OUTPUT: 2242 OUTPUT:
1192 RETVAL 2243 RETVAL
1193 2244
1194int 2245int
1195fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2246fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1196 PROTOTYPE: $$$$
1197 CODE: 2247 CODE:
1198{
1199 #if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1200 RETVAL = posix_fadvise (fh, offset, length, advice); 2248 RETVAL = posix_fadvise (fh, offset, length, advice);
1201 #else
1202 RETVAL = errno = ENOSYS;
1203 #endif
1204}
1205 OUTPUT: 2249 OUTPUT:
1206 RETVAL 2250 RETVAL
1207 2251
2252IV
2253sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2254 CODE:
2255 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2256 OUTPUT:
2257 RETVAL
2258
2259void
2260mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2261 PPCODE:
2262 sv_clear_foreign (scalar);
2263{
2264 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2265 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2266 if (addr == (void *)-1)
2267 XSRETURN_NO;
2268
2269 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2270
2271 if (!(prot & PROT_WRITE))
2272 SvREADONLY_on (scalar);
2273
2274 XSRETURN_YES;
2275}
2276
2277void
2278munmap (SV *scalar)
2279 CODE:
2280 sv_clear_foreign (scalar);
2281
2282SV *
2283mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2284 CODE:
2285{
2286 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2287 void *new;
2288
2289 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2290 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2291
2292 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2293
2294 RETVAL = &PL_sv_no;
2295
2296 if (new != (void *)-1)
2297 {
2298 RETVAL = new == (void *)mg->mg_ptr
2299 ? newSVpvn ("0 but true", 10)
2300 : &PL_sv_yes;
2301
2302 mg->mg_ptr = (char *)new;
2303 mg->mg_obj = (SV *)new_length;
2304
2305 SvPVX (scalar) = mg->mg_ptr;
2306 SvCUR_set (scalar, new_length);
2307 }
2308}
2309 OUTPUT:
2310 RETVAL
2311
2312int
2313madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2314 ALIAS:
2315 mprotect = 1
2316 CODE:
2317{
2318 STRLEN svlen;
2319 void *addr = SvPVbyte (scalar, svlen);
2320 STRLEN len = SvUV (length);
2321
2322 if (offset < 0)
2323 offset += svlen;
2324
2325 if (offset < 0 || offset > svlen)
2326 croak ("offset outside of scalar");
2327
2328 if (!SvOK (length) || len + offset > svlen)
2329 len = svlen - offset;
2330
2331 addr = (void *)(((intptr_t)addr) + offset);
2332 eio_page_align (&addr, &len);
2333
2334 switch (ix)
2335 {
2336 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2337 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2338 }
2339}
2340 OUTPUT:
2341 RETVAL
2342
2343int
2344munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2345 CODE:
2346{
2347 STRLEN svlen;
2348 void *addr = SvPVbyte (scalar, svlen);
2349 size_t len = SvUV (length);
2350
2351 if (offset < 0)
2352 offset += svlen;
2353
2354 if (offset < 0 || offset > svlen)
2355 croak ("offset outside of scalar");
2356
2357 if (!SvOK (length) || len + offset > svlen)
2358 len = svlen - offset;
2359
2360 addr = (void *)(((intptr_t)addr) + offset);
2361 eio_page_align (&addr, &len);
2362#if _POSIX_MEMLOCK_RANGE
2363 RETVAL = munlock (addr, len);
2364#else
2365 RETVAL = EIO_ENOSYS ();
2366#endif
2367}
2368 OUTPUT:
2369 RETVAL
2370
2371int
2372mlockall (int flags)
2373 PROTOTYPE: $;
2374 CODE:
2375 RETVAL = eio_mlockall_sync (flags);
2376 OUTPUT:
2377 RETVAL
2378
2379int
2380munlockall ()
2381 CODE:
2382#if _POSIX_MEMLOCK
2383 munlockall ();
2384#else
2385 RETVAL = EIO_ENOSYS ();
2386#endif
2387 OUTPUT:
2388 RETVAL
2389
2390int
2391statx (SV8 *pathname, int flags, UV mask)
2392 CODE:
2393{
2394 /* undocumented, and might go away, and anyway, should use eio_statx */
2395 SV *wdsv = 0;
2396 SV *pathsv = 0;
2397 eio_wd wd = EIO_CWD;
2398 void *ptr;
2399 int res;
2400
2401 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2402 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2403
2404 SvREFCNT_dec (pathsv);
2405 SvREFCNT_dec (wdsv);
2406}
2407 OUTPUT:
2408 RETVAL
2409
2410U32
2411stx_mode ()
2412 PROTOTYPE:
2413 CODE:
2414#if HAVE_STATX
2415 RETVAL = stx.stx_mode;
2416#else
2417 XSRETURN_UNDEF;
2418#endif
2419 OUTPUT:
2420 RETVAL
2421
2422#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2423#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2424#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2425#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2426#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2427#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2428#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2429#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2430#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2431#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2432#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2433#define STATX_OFFSET_size statx_offsetof (stx_size)
2434#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2435#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2436#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2437#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2438#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2439#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2440
2441U32
2442stx_mask ()
2443 PROTOTYPE:
2444 ALIAS:
2445 stx_mask = STATX_OFFSET_mask
2446 stx_blksize = STATX_OFFSET_blksize
2447 stx_nlink = STATX_OFFSET_nlink
2448 stx_uid = STATX_OFFSET_uid
2449 stx_gid = STATX_OFFSET_gid
2450 stx_rdev_major = STATX_OFFSET_rdev_major
2451 stx_rdev_minor = STATX_OFFSET_rdev_minor
2452 stx_dev_major = STATX_OFFSET_dev_major
2453 stx_dev_minor = STATX_OFFSET_dev_minor
2454 CODE:
2455#if HAVE_STATX
2456 RETVAL = *(__u32 *)((char *)&stx + ix);
2457#else
2458 XSRETURN_UNDEF;
2459#endif
2460 OUTPUT:
2461 RETVAL
2462
2463VAL64
2464stx_attributes ()
2465 PROTOTYPE:
2466 ALIAS:
2467 stx_attributes = STATX_OFFSET_attributes
2468 stx_ino = STATX_OFFSET_ino
2469 stx_size = STATX_OFFSET_size
2470 stx_blocks = STATX_OFFSET_blocks
2471 stx_attributes_mask = STATX_OFFSET_attributes_mask
2472 CODE:
2473#if HAVE_STATX
2474 RETVAL = *(__u64 *)((char *)&stx + ix);
2475#else
2476 XSRETURN_UNDEF;
2477#endif
2478 OUTPUT:
2479 RETVAL
2480
2481NV
2482stx_atime ()
2483 PROTOTYPE:
2484 ALIAS:
2485 stx_atime = STATX_OFFSET_atime
2486 stx_btime = STATX_OFFSET_btime
2487 stx_ctime = STATX_OFFSET_ctime
2488 stx_mtime = STATX_OFFSET_mtime
2489 CODE:
2490#if HAVE_STATX
2491 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2492 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2493#else
2494 XSRETURN_UNDEF;
2495#endif
2496 OUTPUT:
2497 RETVAL
2498
2499VAL64
2500stx_atimesec ()
2501 PROTOTYPE:
2502 ALIAS:
2503 stx_atimesec = STATX_OFFSET_atime
2504 stx_btimesec = STATX_OFFSET_btime
2505 stx_ctimesec = STATX_OFFSET_ctime
2506 stx_mtimesec = STATX_OFFSET_mtime
2507 CODE:
2508#if HAVE_STATX
2509 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2510 RETVAL = ts->tv_sec;
2511#else
2512 XSRETURN_UNDEF;
2513#endif
2514 OUTPUT:
2515 RETVAL
2516
2517U32
2518stx_atimensec ()
2519 PROTOTYPE:
2520 ALIAS:
2521 stx_atimensec = STATX_OFFSET_atime
2522 stx_btimensec = STATX_OFFSET_btime
2523 stx_ctimensec = STATX_OFFSET_ctime
2524 stx_mtimensec = STATX_OFFSET_mtime
2525 CODE:
2526#if HAVE_STATX
2527 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2528 RETVAL = ts->tv_nsec;
2529#else
2530 RETVAL = 0;
2531#endif
2532 OUTPUT:
2533 RETVAL
2534
2535void
2536accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2537 PPCODE:
2538{
2539 SV *retval;
2540#if HAVE_ACCEPT4
2541 socklen_t salen_ = salen ? salen + 1 : 0;
2542
2543 if (salen)
2544 {
2545 sv_upgrade (sockaddr, SVt_PV);
2546 sv_grow (sockaddr, salen_);
2547 }
2548
2549 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2550
2551 retval = newmortalFH (res, O_RDWR);
2552
2553 if (res >= 0 && salen > 0)
2554 {
2555 if (salen_ > salen + 1)
2556 salen_ = salen + 1;
2557
2558 SvPOK_only (sockaddr);
2559 SvCUR_set (sockaddr, salen_);
2560 }
2561#else
2562 errno = ENOSYS;
2563 retval = &PL_sv_undef;
2564#endif
2565 XPUSHs (retval);
2566}
2567
1208ssize_t 2568ssize_t
1209sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2569splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1210 PROTOTYPE: $$$$
1211 CODE: 2570 CODE:
1212 eio_sendfile_sync (ofh, ifh, offset, count); 2571{
2572#if HAVE_LINUX_SPLICE
2573 loff_t off_in_, off_out_;
2574 RETVAL = splice (
2575 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2576 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2577 length, flags
2578 );
2579#else
2580 RETVAL = EIO_ENOSYS ();
2581#endif
2582}
2583 OUTPUT:
2584 RETVAL
2585
2586ssize_t
2587tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2588 CODE:
2589#if HAVE_LINUX_SPLICE
2590 RETVAL = tee (rfh, wfh, length, flags);
2591#else
2592 RETVAL = EIO_ENOSYS ();
2593#endif
2594 OUTPUT:
2595 RETVAL
2596
2597int
2598pipesize (aio_rfd rfh, int new_size = -1)
2599 PROTOTYPE: $;$
2600 CODE:
2601#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2602 if (new_size >= 0)
2603 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2604 else
2605 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2606#else
2607 errno = ENOSYS;
2608 RETVAL = -1;
2609#endif
2610 OUTPUT:
2611 RETVAL
2612
2613void
2614pipe2 (int flags = 0)
2615 PROTOTYPE: ;$
2616 PPCODE:
2617{
2618 int fd[2];
2619 int res;
2620
2621 if (flags)
2622#if HAVE_PIPE2
2623 res = pipe2 (fd, flags);
2624#else
2625 res = (errno = ENOSYS, -1);
2626#endif
2627 else
2628 res = pipe (fd);
2629
2630 if (!res)
2631 {
2632 EXTEND (SP, 2);
2633 PUSHs (newmortalFH (fd[0], O_RDONLY));
2634 PUSHs (newmortalFH (fd[1], O_WRONLY));
2635 }
2636}
2637
2638void
2639pidfd_open (int pid, unsigned int flags = 0)
2640 PPCODE:
2641{
2642 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2643 int fd = syscall (SYS_pidfd_open, pid, flags);
2644 XPUSHs (newmortalFH (fd, O_RDWR));
2645}
2646
2647int
2648pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2649 PPCODE:
2650{
2651 int res;
2652 siginfo_t si = { 0 };
2653
2654 if (SvOK (siginfo))
2655 {
2656 HV *hv;
2657 SV **svp;
2658
2659 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2660 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2661
2662 hv = (HV *)SvRV (siginfo);
2663
2664 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2665 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2666 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2667 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2668 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2669 }
2670
2671 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2672 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2673
2674 XPUSHs (sv_2mortal (newSViv (res)));
2675}
2676
2677void
2678pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2679 PPCODE:
2680{
2681 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2682 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2683 XPUSHs (newmortalFH (fd, O_RDWR));
2684}
2685
2686void
2687eventfd (unsigned int initval = 0, int flags = 0)
2688 PPCODE:
2689{
2690 int fd;
2691#if HAVE_EVENTFD
2692 fd = eventfd (initval, flags);
2693#else
2694 fd = (errno = ENOSYS, -1);
2695#endif
2696
2697 XPUSHs (newmortalFH (fd, O_RDWR));
2698}
2699
2700void
2701timerfd_create (int clockid, int flags = 0)
2702 PPCODE:
2703{
2704 int fd;
2705#if HAVE_TIMERFD
2706 fd = timerfd_create (clockid, flags);
2707#else
2708 fd = (errno = ENOSYS, -1);
2709#endif
2710
2711 XPUSHs (newmortalFH (fd, O_RDWR));
2712}
2713
2714void
2715timerfd_settime (SV *fh, int flags, NV interval, NV value)
2716 PPCODE:
2717{
2718 int fd = s_fileno_croak (fh, 0);
2719#if HAVE_TIMERFD
2720 int res;
2721 struct itimerspec its, ots;
2722
2723 ts_set (&its.it_interval, interval);
2724 ts_set (&its.it_value , value);
2725 res = timerfd_settime (fd, flags, &its, &ots);
2726
2727 if (!res)
2728 {
2729 EXTEND (SP, 2);
2730 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2731 PUSHs (newSVnv (ts_get (&ots.it_value)));
2732 }
2733#else
2734 errno = ENOSYS;
2735#endif
2736}
2737
2738void
2739timerfd_gettime (SV *fh)
2740 PPCODE:
2741{
2742 int fd = s_fileno_croak (fh, 0);
2743#if HAVE_TIMERFD
2744 int res;
2745 struct itimerspec ots;
2746 res = timerfd_gettime (fd, &ots);
2747
2748 if (!res)
2749 {
2750 EXTEND (SP, 2);
2751 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2752 PUSHs (newSVnv (ts_get (&ots.it_value)));
2753 }
2754#else
2755 errno = ENOSYS;
2756#endif
2757}
2758
2759void
2760memfd_create (SV8 *pathname, int flags = 0)
2761 PPCODE:
2762{
2763 int fd;
2764#if HAVE_MEMFD_CREATE
2765 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2766#else
2767 fd = (errno = ENOSYS, -1);
2768#endif
2769
2770 XPUSHs (newmortalFH (fd, O_RDWR));
2771}
2772
2773UV
2774get_fdlimit ()
2775 CODE:
2776#if HAVE_RLIMITS
2777 struct rlimit rl;
2778 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2779 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2780#endif
2781 XSRETURN_UNDEF;
2782 OUTPUT:
2783 RETVAL
2784
2785void
2786min_fdlimit (UV limit = 0x7fffffffU)
2787 CODE:
2788{
2789#if HAVE_RLIMITS
2790 struct rlimit rl;
2791 rlim_t orig_rlim_max;
2792 UV bit;
2793
2794 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2795 goto fail;
2796
2797 if (rl.rlim_cur == RLIM_INFINITY)
2798 XSRETURN_YES;
2799
2800 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2801
2802 if (rl.rlim_cur < limit)
2803 {
2804 rl.rlim_cur = limit;
2805
2806 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2807 rl.rlim_max = rl.rlim_cur;
2808 }
2809
2810 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2811 XSRETURN_YES;
2812
2813 if (errno == EPERM)
2814 {
2815 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2816 /* our limit overflows a system-wide limit */
2817 /* try an adaptive algorithm, but do not lower the hardlimit */
2818 rl.rlim_max = 0;
2819 for (bit = 0x40000000U; bit; bit >>= 1)
2820 {
2821 rl.rlim_max |= bit;
2822 rl.rlim_cur = rl.rlim_max;
2823
2824 /* never decrease the hard limit */
2825 if (rl.rlim_max < orig_rlim_max)
2826 break;
2827
2828 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2829 rl.rlim_max &= ~bit; /* too high, remove bit again */
2830 }
2831
2832 /* now, raise the soft limit to the max permitted */
2833 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2834 {
2835 rl.rlim_cur = rl.rlim_max;
2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2837 errno = EPERM;
2838 }
2839 }
2840#endif
2841 fail:
2842 XSRETURN_UNDEF;
2843}
1213 2844
1214void _on_next_submit (SV *cb) 2845void _on_next_submit (SV *cb)
1215 CODE: 2846 CODE:
1216 SvREFCNT_dec (on_next_submit); 2847 SvREFCNT_dec (on_next_submit);
1217 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2848 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1218 2849
1219PROTOTYPES: DISABLE 2850PROTOTYPES: DISABLE
1220 2851
2852MODULE = IO::AIO PACKAGE = IO::AIO::WD
2853
2854BOOT:
2855{
2856 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2857 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2858}
2859
2860void
2861DESTROY (SV *self)
2862 CODE:
2863{
2864 aio_wd wd = SvAIO_WD (self);
2865#if HAVE_AT
2866 {
2867 SV *callback = &PL_sv_undef;
2868 dREQ; /* clobbers next_pri :/ */
2869 next_pri = req->pri; /* restore next_pri */
2870 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2871 req->type = EIO_WD_CLOSE;
2872 req->wd = wd;
2873 REQ_SEND;
2874 }
2875#else
2876 eio_wd_close_sync (wd);
2877#endif
2878}
2879
1221MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2880MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1222 2881
1223void 2882void
1224cancel (aio_req_ornot req) 2883cancel (aio_req_ornot req)
1225 CODE: 2884 CODE:
1226 eio_cancel (req); 2885 eio_cancel (req);
1227 2886
1228void 2887void
1229cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2888cb (aio_req_ornot req, SV *callback = NO_INIT)
1230 PPCODE: 2889 PPCODE:
1231{ 2890{
1232 if (GIMME_V != G_VOID) 2891 if (GIMME_V != G_VOID)
1233 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2892 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1234 2893
… …
1299limit (aio_req grp, int limit) 2958limit (aio_req grp, int limit)
1300 CODE: 2959 CODE:
1301 eio_grp_limit (grp, limit); 2960 eio_grp_limit (grp, limit);
1302 2961
1303void 2962void
1304feed (aio_req grp, SV *callback=&PL_sv_undef) 2963feed (aio_req grp, SV *callback = &PL_sv_undef)
1305 CODE: 2964 CODE:
1306{ 2965{
1307 SvREFCNT_dec (grp->sv2); 2966 SvREFCNT_dec (grp->sv2);
1308 grp->sv2 = newSVsv (callback); 2967 grp->sv2 = newSVsv (callback);
1309 grp->feed = aio_grp_feed; 2968 grp->feed = aio_grp_feed;

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