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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.125 by root, Thu Jun 19 09:05:43 2008 UTC vs.
Revision 1.271 by root, Fri Dec 28 12:43:00 2018 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 SvVAL64 SvIV
81#else 85#else
82# define SvVAL64 SvNV
83#endif
84 86
85static HV *stash; 87 #include <sys/time.h>
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
95#endif
96
97/*****************************************************************************/
98
99#if __GNUC__ >= 3
100# define expect(expr,value) __builtin_expect ((expr),(value))
101#else
102# define expect(expr,value) (expr)
103#endif
104
105#define expect_false(expr) expect ((expr) != 0, 0)
106#define expect_true(expr) expect ((expr) != 0, 1)
107
108/*****************************************************************************/
109
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_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec
125# define CTIMENSEC PL_statcache.st_ctimensec
126#elif HAVE_ST_XTIMESPEC
127# define ATIMENSEC PL_statcache.st_atim.tv_nsec
128# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
129# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
130#else
131# define ATIMENSEC 0
132# define MTIMENSEC 0
133# define CTIMENSEC 0
134#endif
135
136#if HAVE_ST_BIRTHTIMENSEC
137# define BTIMESEC PL_statcache.st_birthtime
138# define BTIMENSEC PL_statcache.st_birthtimensec
139#elif HAVE_ST_BIRTHTIMESPEC
140# define BTIMESEC PL_statcache.st_birthtim.tv_sec
141# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
142#else
143# define BTIMESEC 0
144# define BTIMENSEC 0
145#endif
146
147#if HAVE_ST_GEN
148# define ST_GEN PL_statcache.st_gen
149#else
150# define ST_GEN 0
151#endif
152
153#include "schmorp.h"
154
155#if HAVE_EVENTFD
156# include <sys/eventfd.h>
157#endif
158
159#if HAVE_TIMERFD
160# include <sys/timerfd.h>
161#endif
162
163#if HAVE_RLIMITS
164 #include <sys/time.h>
165 #include <sys/resource.h>
166#endif
167
86typedef SV SV8; /* byte-sv, used for argument-checking */ 168typedef SV SV8; /* byte-sv, used for argument-checking */
169typedef int aio_rfd; /* read file desriptor */
170typedef int aio_wfd; /* write file descriptor */
87 171
88#define AIO_REQ_KLASS "IO::AIO::REQ" 172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
89#define AIO_GRP_KLASS "IO::AIO::GRP"
90 173
91#define EIO_REQ_MEMBERS \ 174#define EIO_REQ_MEMBERS \
92 SV *callback; \ 175 SV *callback; \
93 SV *sv1, *sv2; \ 176 SV *sv1, *sv2; \
177 SV *sv3, *sv4; \
94 STRLEN stroffset; \ 178 STRLEN stroffset; \
95 SV *self; 179 SV *self;
96 180
97#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
98 182
99#include "libeio/eio.h" 183#include "libeio/eio.h"
100 184
101static int req_invoke (eio_req *req); 185static int req_invoke (eio_req *req);
102#define EIO_FINISH(req) req_invoke (req) 186#define EIO_FINISH(req) req_invoke (req)
103static void aio_grp_feed (eio_req *grp);
104#define EIO_FEED(req) aio_grp_feed (req)
105static void req_destroy (eio_req *grp); 187static void req_destroy (eio_req *grp);
106#define EIO_DESTROY(req) req_destroy (req) 188#define EIO_DESTROY(req) req_destroy (req)
189
190#include "libeio/eio.c"
191
192#if !HAVE_POSIX_FADVISE
193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194#endif
195
196#if !HAVE_POSIX_MADVISE
197# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
198#endif
199
200#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON
203# else
204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205# endif
206#endif
207
208#ifndef makedev
209# define makedev(maj,min) (((maj) << 8) | (min))
210#endif
211#ifndef major
212# define major(dev) ((dev) >> 8)
213#endif
214#ifndef minor
215# define minor(dev) ((dev) & 0xff)
216#endif
217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif
226
227/*****************************************************************************/
228
229#if !_POSIX_MAPPED_FILES
230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS ()
232#endif
233
234#if !_POSIX_MEMORY_PROTECTION
235# define mprotect(addr,len,prot) EIO_ENOSYS ()
236#endif
237
238#if !MREMAP_MAYMOVE
239# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
240#endif
241
242#define FOREIGN_MAGIC PERL_MAGIC_ext
243
244static int ecb_cold
245mmap_free (pTHX_ SV *sv, MAGIC *mg)
246{
247 int old_errno = errno;
248 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
249 errno = old_errno;
250
251 mg->mg_obj = 0; /* just in case */
252
253 SvREADONLY_off (sv);
254
255 if (SvPVX (sv) != mg->mg_ptr)
256 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
257
258 SvCUR_set (sv, 0);
259 SvPVX (sv) = 0;
260 SvOK_off (sv);
261
262 return 0;
263}
264
265static MGVTBL mmap_vtbl = {
266 0, 0, 0, 0, mmap_free
267};
268
269static int ecb_cold
270sysfree_free (pTHX_ SV *sv, MAGIC *mg)
271{
272 free (mg->mg_ptr);
273 mg->mg_obj = 0; /* just in case */
274
275 SvREADONLY_off (sv);
276
277 if (SvPVX (sv) != mg->mg_ptr)
278 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
279
280 SvCUR_set (sv, 0);
281 SvPVX (sv) = 0;
282 SvOK_off (sv);
283
284 return 0;
285}
286
287static MGVTBL sysfree_vtbl = {
288 0, 0, 0, 0, sysfree_free
289};
290
291/*****************************************************************************/
292
293/* helper: set scalar to foreign ptr with custom free */
294static void
295sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
296{
297 sv_force_normal (sv);
298
299 /* we store the length in mg_obj, as namlen is I32 :/ */
300 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
301 ->mg_obj = (SV *)length;
302
303 SvUPGRADE (sv, SVt_PV); /* nop... */
304
305 if (SvLEN (sv))
306 Safefree (SvPVX (sv));
307
308 SvPVX (sv) = (char *)addr;
309 SvCUR_set (sv, length);
310 SvLEN_set (sv, 0);
311 SvPOK_only (sv);
312}
313
314static void
315sv_clear_foreign (SV *sv)
316{
317 /* todo: iterate over magic and only free ours, but of course */
318 /* the perl5porters will call that (correct) behaviour buggy */
319 sv_unmagic (sv, FOREIGN_MAGIC);
320}
321
322/*****************************************************************************/
323
324/* defines all sorts of constants to 0 unless they are already defined */
325/* also provides const_iv_ and const_niv_ macros for them */
326#include "def0.h"
327
328/*****************************************************************************/
329
330static void
331fiemap (eio_req *req)
332{
333 req->result = -1;
334
335#if HAVE_FIEMAP
336 /* assume some c99 */
337 struct fiemap *fiemap = 0;
338 size_t end_offset;
339 int count = req->int3;
340
341 req->flags |= EIO_FLAG_PTR1_FREE;
342
343 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
344 /* increase in 3.5kb steps */
345 if (count < 0)
346 count = 8;
347
348 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
349 errno = ENOMEM;
350 if (!fiemap)
351 return;
352
353 req->ptr1 = fiemap;
354
355 fiemap->fm_start = req->offs;
356 fiemap->fm_length = req->size;
357 fiemap->fm_flags = req->int2;
358 fiemap->fm_extent_count = count;
359
360 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
361 return;
362
363 if (req->int3 >= 0 /* not autosizing */
364 || !fiemap->fm_mapped_extents /* no more extents */
365 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
366 goto done;
367
368 /* else we have to loop -
369 * it would be tempting (actually I tried that first) to just query the
370 * number of extents needed, but linux often feels like not returning all
371 * extents, without telling us it left any out. this complicates
372 * this quite a bit.
373 */
374
375 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
376
377 for (;;)
378 {
379 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
380 char scratch[3072];
381 struct fiemap *incmap = (struct fiemap *)scratch;
382
383 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
384 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
385 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
386 incmap->fm_flags = fiemap->fm_flags;
387 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
388
389 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
390 return;
391
392 if (!incmap->fm_mapped_extents)
393 goto done;
394
395 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
396 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
397 errno = ENOMEM;
398 if (!fiemap)
399 return;
400
401 req->ptr1 = fiemap;
402
403 for (count = 0; count < incmap->fm_mapped_extents; ++count)
404 {
405 struct fiemap_extent *e = incmap->fm_extents + count;
406
407 if (e->fe_logical + e->fe_length >= end_offset)
408 goto done;
409
410 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
411
412 if (e->fe_flags & FIEMAP_EXTENT_LAST)
413 goto done;
414
415 }
416 }
417
418done:
419 req->result = 0;
420
421#else
422 errno = ENOSYS;
423#endif
424}
425
426/*****************************************************************************/
427
428static int close_fd; /* dummy fd to close fds via dup2 */
107 429
108enum { 430enum {
109 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
110}; 432};
111 433
112#include "libeio/eio.c"
113
114typedef eio_req *aio_req; 434typedef eio_req *aio_req;
115typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
116 437
117static SV *on_next_submit; 438static SV *on_next_submit;
118static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
119static int max_outstanding; 440static int max_outstanding;
120 441
121static int respipe_osf [2], respipe [2] = { -1, -1 }; 442static s_epipe respipe;
122 443
123static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
124static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
125 446
126static void want_poll (void) 447static void
448want_poll (void)
127{ 449{
128 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
129 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 451 s_epipe_signal (&respipe);
130} 452}
131 453
132static void done_poll (void) 454static void
455done_poll (void)
133{ 456{
134 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
135 char buf [4]; 458 s_epipe_drain (&respipe);
136 while (respipe_read (respipe [0], buf, 4) == 4)
137 ;
138} 459}
139 460
140/* must be called at most once */ 461/* must be called at most once */
141static SV *req_sv (aio_req req, const char *klass) 462static SV *
463req_sv (aio_req req, HV *stash)
142{ 464{
143 if (!req->self) 465 if (!req->self)
144 { 466 {
145 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
146 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
147 } 469 }
148 470
149 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
150} 472}
151 473
152static aio_req SvAIO_REQ (SV *sv) 474static SV *
475newSVaio_wd (aio_wd wd)
476{
477 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
478}
479
480static aio_req
481SvAIO_REQ (SV *sv)
153{ 482{
154 MAGIC *mg; 483 MAGIC *mg;
155 484
156 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 485 if (!SvROK (sv)
486 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
487 || (SvSTASH (SvRV (sv)) != aio_grp_stash
488 && SvSTASH (SvRV (sv)) != aio_req_stash
489 && !sv_derived_from (sv, "IO::AIO::REQ")))
157 croak ("object of class " AIO_REQ_KLASS " expected"); 490 croak ("object of class IO::AIO::REQ expected");
158 491
159 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
160 493
161 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
162} 495}
163 496
497static aio_wd
498SvAIO_WD (SV *sv)
499{
500 if (!SvROK (sv)
501 || SvTYPE (SvRV (sv)) != SVt_PVMG
502 || SvSTASH (SvRV (sv)) != aio_wd_stash)
503 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
504
505 return (aio_wd)(long)SvIVX (SvRV (sv));
506}
507
508static SV *
509newmortalFH (int fd, int flags)
510{
511 if (fd < 0)
512 return &PL_sv_undef;
513
514 GV *gv = (GV *)sv_newmortal ();
515 char sym[64];
516 int symlen;
517
518 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
519 gv_init (gv, aio_stash, sym, symlen, 0);
520
521 symlen = snprintf (
522 sym,
523 sizeof (sym),
524 "%s&=%d",
525 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
526 fd
527 );
528
529 return do_open (gv, sym, symlen, 0, 0, 0, 0)
530 ? (SV *)gv : &PL_sv_undef;
531}
532
533static void
164static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
165{ 535{
166 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
167 { 537 {
168 dSP; 538 dSP;
169 539
170 ENTER; 540 ENTER;
171 SAVETMPS; 541 SAVETMPS;
172 PUSHMARK (SP); 542 PUSHMARK (SP);
173 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 543 XPUSHs (req_sv (grp, aio_grp_stash));
174 PUTBACK; 544 PUTBACK;
175 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 545 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
176 SPAGAIN; 546 SPAGAIN;
177 FREETMPS; 547 FREETMPS;
178 LEAVE; 548 LEAVE;
179 } 549 }
180} 550}
181 551
552static void
182static void req_submit (eio_req *req) 553req_submit (eio_req *req)
183{ 554{
184 eio_submit (req); 555 eio_submit (req);
185 556
186 if (on_next_submit) 557 if (expect_false (on_next_submit))
187 { 558 {
188 dSP; 559 dSP;
189 SV *cb = sv_2mortal (on_next_submit); 560 SV *cb = sv_2mortal (on_next_submit);
190 561
191 on_next_submit = 0; 562 on_next_submit = 0;
… …
194 PUTBACK; 565 PUTBACK;
195 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
196 } 567 }
197} 568}
198 569
570static int
199static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
200{ 572{
201 dSP;
202
203 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
204 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
205 575
206 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 576 if (!EIO_CANCELLED (req) && req->callback)
207 { 577 {
578 dSP;
579 static SV *sv_result_cache; /* caches the result integer SV */
580 SV *sv_result;
581
208 ENTER; 582 ENTER;
209 SAVETMPS; 583 SAVETMPS;
210 PUSHMARK (SP); 584 PUSHMARK (SP);
211 EXTEND (SP, 1); 585 EXTEND (SP, 1);
212 586
587 /* do not recreate the result IV from scratch each time */
588 if (expect_true (sv_result_cache))
589 {
590 sv_result = sv_result_cache; sv_result_cache = 0;
591 SvIV_set (sv_result, req->result);
592 SvIOK_only (sv_result);
593 }
594 else
595 {
596 sv_result = newSViv (req->result);
597 SvREADONLY_on (sv_result);
598 }
599
213 switch (req->type) 600 switch (req->type)
214 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
215 case EIO_READDIR: 606 case EIO_READDIR:
216 { 607 {
217 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
218 609
219 if (req->result >= 0) 610 if (req->result >= 0)
220 { 611 {
221 int i; 612 int i;
222 char *buf = req->ptr2; 613 char *names = (char *)req->ptr2;
614 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
223 AV *av = newAV (); 615 AV *av = newAV ();
224 616
225 av_extend (av, req->result - 1); 617 av_extend (av, req->result - 1);
226 618
227 for (i = 0; i < req->result; ++i) 619 for (i = 0; i < req->result; ++i)
228 { 620 {
229 SV *sv = newSVpv (buf, 0); 621 if (req->int1 & EIO_READDIR_DENTS)
622 {
623 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
230 624
625 if (req->int1 & EIO_READDIR_CUSTOM2)
626 {
627 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
628 AV *avent = newAV ();
629
630 av_extend (avent, 2);
631
632 if (!sv_type [ent->type])
633 {
634 sv_type [ent->type] = newSViv (ent->type);
635 SvREADONLY_on (sv_type [ent->type]);
636 }
637
638 av_store (avent, 0, namesv);
639 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
640 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
641
642 av_store (av, i, newRV_noinc ((SV *)avent));
643 }
644 else
231 av_store (av, i, sv); 645 av_store (av, i, namesv);
646
647 ++ent;
648 }
649 else
650 {
651 SV *name = newSVpv (names, 0);
652 av_store (av, i, name);
232 buf += SvCUR (sv) + 1; 653 names += SvCUR (name) + 1;
654 }
233 } 655 }
234 656
235 rv = sv_2mortal (newRV_noinc ((SV *)av)); 657 rv = sv_2mortal (newRV_noinc ((SV *)av));
236 } 658 }
237 659
238 PUSHs (rv); 660 PUSHs (rv);
661
662 if (req->int1 & EIO_READDIR_CUSTOM1)
663 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
239 } 664 }
240 break; 665 break;
241 666
242 case EIO_OPEN: 667 case EIO_OPEN:
668 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
669 break;
670
671 case EIO_STATVFS:
672 case EIO_FSTATVFS:
243 { 673 {
244 /* convert fd to fh */
245 SV *fh = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
246 675
676#ifndef _WIN32
247 if (req->result >= 0) 677 if (req->result >= 0)
248 { 678 {
679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
249 GV *gv = (GV *)sv_newmortal (); 680 HV *hv = newHV ();
250 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 681 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
251 char sym [64]; 682 * chooses to make it a struct.
252 int symlen;
253 683 */
254 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 684 unsigned long fsid = 0;
255 gv_init (gv, stash, sym, symlen, 0); 685 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
256 686
257 symlen = snprintf ( 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
258 sym,
259 sizeof (sym),
260 "%s&=%d",
261 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
262 req->result
263 );
264 688
265 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 689 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
266 fh = (SV *)gv; 690 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
691 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
692 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
693 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
694 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
695 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
696 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
697 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
698 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
699 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
267 } 700 }
701#endif
268 702
269 PUSHs (fh); 703 PUSHs (rv);
270 } 704 }
705
271 break; 706 break;
272 707
273 case EIO_GROUP: 708 case EIO_GROUP:
274 req->int1 = 2; /* mark group as finished */ 709 req->int1 = 2; /* mark group as finished */
275 710
… …
287 case EIO_NOP: 722 case EIO_NOP:
288 case EIO_BUSY: 723 case EIO_BUSY:
289 break; 724 break;
290 725
291 case EIO_READLINK: 726 case EIO_READLINK:
727 case EIO_REALPATH:
292 if (req->result > 0) 728 if (req->result > 0)
293 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 729 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
294 break; 730 break;
295 731
296 case EIO_STAT: 732 case EIO_STAT:
297 case EIO_LSTAT: 733 case EIO_LSTAT:
298 case EIO_FSTAT: 734 case EIO_FSTAT:
299 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
300 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
301 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
302 PUSHs (sv_2mortal (newSViv (req->result))); 740
741 PUSHs (sv_result);
303 break; 742 break;
304 743
744 case EIO_SEEK:
745 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
746 break;
747
305 case EIO_READ: 748 case EIO_READ:
749 {
306 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 750 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
307 *SvEND (req->sv2) = 0; 751 *SvEND (req->sv2) = 0;
308 PUSHs (sv_2mortal (newSViv (req->result))); 752 SvPOK_only (req->sv2);
753 SvSETMAGIC (req->sv2);
754 PUSHs (sv_result);
755 }
309 break; 756 break;
310 757
311 case EIO_DUP2: 758 case EIO_SLURP:
759 {
760 if (req->result >= 0)
761 {
762 /* if length was originally not known, we steal the malloc'ed memory */
763 if (req->flags & EIO_FLAG_PTR2_FREE)
764 {
765 req->flags &= ~EIO_FLAG_PTR2_FREE;
766 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
767 }
768 else
769 {
770 SvCUR_set (req->sv2, req->result);
771 *SvEND (req->sv2) = 0;
772 SvPOK_only (req->sv2);
773 }
774
775 SvSETMAGIC (req->sv2);
776 }
777
778 PUSHs (sv_result);
779 }
780 break;
781
782 case EIO_CUSTOM:
783 if (req->feed == fiemap)
784 {
785#if HAVE_FIEMAP
786 if (!req->result)
787 {
788 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
789
790 if (fiemap->fm_extent_count)
791 {
792 AV *av = newAV ();
793 int i;
794
795 while (fiemap->fm_mapped_extents)
796 {
797 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
798 AV *ext_av = newAV ();
799
800 av_store (ext_av, 3, newSVuv (extent->fe_flags));
801 av_store (ext_av, 2, newSVval64 (extent->fe_length));
802 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
803 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
804
805 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
806 }
807
808 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
809 }
810 else
811 {
812 SvIV_set (sv_result, fiemap->fm_mapped_extents);
813 PUSHs (sv_result);
814 }
815 }
816#endif
817 }
818 else
819 PUSHs (sv_result);
820 break;
821
822 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
312 if (req->result > 0) 823 if (req->result > 0)
313 req->result = 0; 824 SvIV_set (sv_result, 0);
314 /* FALLTHROUGH */ 825 /* FALLTHROUGH */
315 826
316 default: 827 default:
317 PUSHs (sv_2mortal (newSViv (req->result))); 828 PUSHs (sv_result);
318 break; 829 break;
319 } 830 }
320 831
321 errno = req->errorno; 832 errno = req->errorno;
322 833
323 PUTBACK; 834 PUTBACK;
324 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 835 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
325 SPAGAIN; 836 SPAGAIN;
326 837
838 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
839 SvREFCNT_dec (sv_result);
840 else
841 sv_result_cache = sv_result;
842
327 FREETMPS; 843 FREETMPS;
328 LEAVE; 844 LEAVE;
329 845
330 PUTBACK; 846 PUTBACK;
331 } 847 }
332 848
333 return !!SvTRUE (ERRSV); 849 return !!SvTRUE (ERRSV);
334} 850}
335 851
852static void
336static void req_destroy (aio_req req) 853req_destroy (aio_req req)
337{ 854{
338 if (req->self) 855 if (req->self)
339 { 856 {
340 sv_unmagic (req->self, PERL_MAGIC_ext); 857 sv_unmagic (req->self, PERL_MAGIC_ext);
341 SvREFCNT_dec (req->self); 858 SvREFCNT_dec (req->self);
342 } 859 }
343 860
344 SvREFCNT_dec (req->sv1); 861 SvREFCNT_dec (req->sv1);
345 SvREFCNT_dec (req->sv2); 862 SvREFCNT_dec (req->sv2);
863 SvREFCNT_dec (req->sv3);
864 SvREFCNT_dec (req->sv4);
346 SvREFCNT_dec (req->callback); 865 SvREFCNT_dec (req->callback);
347 866
348 Safefree (req); 867 free (req);
349} 868}
350 869
870static void
351static void req_cancel_subs (aio_req grp) 871req_cancel_subs (aio_req grp)
352{ 872{
353 aio_req sub;
354
355 if (grp->type != EIO_GROUP) 873 if (grp->type != EIO_GROUP)
356 return; 874 return;
357 875
358 SvREFCNT_dec (grp->sv2); 876 SvREFCNT_dec (grp->sv2);
359 grp->sv2 = 0; 877 grp->sv2 = 0;
360 878
361 eio_grp_cancel (grp); 879 eio_grp_cancel (grp);
362} 880}
363 881
364#ifdef USE_SOCKETS_AS_HANDLES 882static void ecb_cold
365# define TO_SOCKET(x) (win32_get_osfhandle (x)) 883create_respipe (void)
366#else 884{
367# define TO_SOCKET(x) (x) 885 if (s_epipe_renew (&respipe))
368#endif 886 croak ("IO::AIO: unable to initialize result pipe");
887}
369 888
370static void 889static void
371create_respipe (void) 890poll_wait (void)
372{ 891{
373 int old_readfd = respipe [0];
374
375 if (respipe [1] >= 0)
376 respipe_close (TO_SOCKET (respipe [1]));
377
378#ifdef _WIN32
379 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
380#else
381 if (pipe (respipe))
382#endif
383 croak ("unable to initialize result pipe");
384
385 if (old_readfd >= 0)
386 {
387 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
388 croak ("unable to initialize result pipe(2)");
389
390 respipe_close (respipe [0]);
391 respipe [0] = old_readfd;
392 }
393
394#ifdef _WIN32
395 int arg = 1;
396 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
397 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
398#else
399 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
400 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
401#endif
402 croak ("unable to initialize result pipe(3)");
403
404 respipe_osf [0] = TO_SOCKET (respipe [0]);
405 respipe_osf [1] = TO_SOCKET (respipe [1]);
406}
407
408static void poll_wait (void)
409{
410 fd_set rfd;
411
412 while (eio_nreqs ()) 892 while (eio_nreqs ())
413 { 893 {
414 int size; 894 int size;
415 895
416 X_LOCK (reslock); 896 X_LOCK (EIO_POOL->reslock);
417 size = res_queue.size; 897 size = EIO_POOL->res_queue.size;
418 X_UNLOCK (reslock); 898 X_UNLOCK (EIO_POOL->reslock);
419 899
420 if (size) 900 if (size)
421 return; 901 return;
422 902
423 etp_maybe_start_thread (); 903 etp_maybe_start_thread (EIO_POOL);
424 904
425 FD_ZERO (&rfd); 905 s_epipe_wait (&respipe);
426 FD_SET (respipe [0], &rfd);
427
428 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
429 } 906 }
430} 907}
431 908
432static int poll_cb (void) 909static int
910poll_cb (void)
433{ 911{
434 for (;;) 912 for (;;)
435 { 913 {
436 int res = eio_poll (); 914 int res = eio_poll ();
437 915
… …
443 921
444 poll_wait (); 922 poll_wait ();
445 } 923 }
446} 924}
447 925
448static void atfork_child (void) 926static void ecb_cold
927reinit (void)
449{ 928{
450 create_respipe (); 929 create_respipe ();
930
931 if (eio_init (want_poll, done_poll) < 0)
932 croak ("IO::AIO: unable to initialise eio library");
933}
934
935/*****************************************************************************/
936
937static SV *
938get_cb (SV *cb_sv)
939{
940 SvGETMAGIC (cb_sv);
941 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
942}
943
944static aio_req ecb_noinline
945dreq (SV *callback)
946{
947 SV *cb_cv;
948 aio_req req;
949 int req_pri = next_pri;
950 next_pri = EIO_PRI_DEFAULT;
951
952 cb_cv = get_cb (callback);
953
954 req = calloc (sizeof (*req), 1);
955 if (!req)
956 croak ("out of memory during eio_req allocation");
957
958 req->callback = SvREFCNT_inc (cb_cv);
959 req->pri = req_pri;
960
961 return req;
451} 962}
452 963
453#define dREQ \ 964#define dREQ \
454 aio_req req; \ 965 aio_req req = dreq (callback); \
455 int req_pri = next_pri; \
456 next_pri = EIO_PRI_DEFAULT; \
457 \
458 if (SvOK (callback) && !SvROK (callback)) \
459 croak ("callback must be undef or of reference type"); \
460 \
461 Newz (0, req, 1, eio_req); \
462 if (!req) \
463 croak ("out of memory during eio_req allocation"); \
464 \
465 req->callback = newSVsv (callback); \
466 req->pri = req_pri
467 966
468#define REQ_SEND \ 967#define REQ_SEND \
968 PUTBACK; \
469 req_submit (req); \ 969 req_submit (req); \
970 SPAGAIN; \
470 \ 971 \
471 if (GIMME_V != G_VOID) \ 972 if (GIMME_V != G_VOID) \
472 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 973 XPUSHs (req_sv (req, aio_req_stash));
473 974
975ecb_inline void
976req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
977{
978 if (expect_false (SvROK (path)))
979 {
980 SV *rv = SvRV (path);
981 SV *wdob;
982
983 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
984 {
985 path = AvARRAY (rv)[1];
986 wdob = AvARRAY (rv)[0];
987
988 if (SvOK (wdob))
989 {
990 *wd = SvAIO_WD (wdob);
991 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
992 }
993 else
994 *wd = EIO_INVALID_WD;
995 }
996 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
997 {
998 *wd = (aio_wd)(long)SvIVX (rv);
999 *wdsv = SvREFCNT_inc_NN (rv);
1000 *ptr = ".";
1001 return; /* path set to "." */
1002 }
1003 else
1004 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1005 }
1006
1007 *pathsv = newSVsv (path);
1008 *ptr = SvPVbyte_nolen (*pathsv);
1009}
1010
1011static void ecb_noinline
1012req_set_path1 (aio_req req, SV *path)
1013{
1014 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1015}
1016
1017static void ecb_noinline
1018req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1019{
1020 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1021
1022 switch (SvTYPE (rv))
1023 {
1024 case SVt_PVIO:
1025 case SVt_PVLV:
1026 case SVt_PVGV:
1027 req->type = type_fh;
1028 req->sv1 = newSVsv (fh_or_path);
1029 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1030 break;
1031
1032 default:
1033 req->type = type_path;
1034 req_set_path1 (req, fh_or_path);
1035 break;
1036 }
1037}
1038
1039/*****************************************************************************/
1040
1041static void
1042ts_set (struct timespec *ts, NV value)
1043{
1044 ts->tv_sec = value;
1045 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1046}
1047
1048static NV
1049ts_get (const struct timespec *ts)
1050{
1051 return ts->tv_sec + ts->tv_nsec * 1e-9;
1052}
1053
1054/*****************************************************************************/
1055
1056XS(boot_IO__AIO) ecb_cold;
1057
474MODULE = IO::AIO PACKAGE = IO::AIO 1058MODULE = IO::AIO PACKAGE = IO::AIO
475 1059
476PROTOTYPES: ENABLE 1060PROTOTYPES: ENABLE
477 1061
478BOOT: 1062BOOT:
479{ 1063{
1064 static const struct {
1065 const char *name;
1066 IV iv;
1067 } *civ, const_iv[] = {
1068# define const_niv(name, value) { # name, (IV) value },
1069# define const_iv(name) { # name, (IV) name },
1070# define const_eio(name) { # name, (IV) EIO_ ## name },
1071
1072 /* you have to re-run ./gendef0 after adding/removing any constants here */
1073 /* the first block can be undef if missing */
1074 const_iv (ENOSYS)
1075 const_iv (EXDEV)
1076 const_iv (EBADR)
1077
1078 /* for lseek */
1079 const_iv (SEEK_DATA)
1080 const_iv (SEEK_HOLE)
1081
1082 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1083 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1084 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1085 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1086 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1087 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1088
1089 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1090 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1091 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1092 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1093 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1094
1095 /* the second block will be 0 when missing */
1096 const_iv (O_ACCMODE)
1097
1098 const_iv (O_RDONLY)
1099 const_iv (O_WRONLY)
1100 const_iv (O_RDWR)
1101 const_iv (O_CREAT)
1102 const_iv (O_TRUNC)
1103 const_iv (O_EXCL)
1104 const_iv (O_APPEND)
1105
1106 const_iv (O_ASYNC)
1107 const_iv (O_DIRECT)
1108 const_iv (O_NOATIME)
1109
1110 const_iv (O_CLOEXEC)
1111 const_iv (O_NOCTTY)
1112 const_iv (O_NOFOLLOW)
1113 const_iv (O_NONBLOCK)
1114 const_iv (O_EXEC)
1115 const_iv (O_SEARCH)
1116 const_iv (O_DIRECTORY)
1117 const_iv (O_DSYNC)
1118 const_iv (O_RSYNC)
1119 const_iv (O_SYNC)
1120 const_iv (O_PATH)
1121 const_iv (O_TMPFILE)
1122 const_iv (O_TTY_INIT)
1123
1124 const_iv (S_IFIFO)
1125 const_iv (S_IFCHR)
1126 const_iv (S_IFBLK)
1127 const_iv (S_IFLNK)
1128 const_iv (S_IFREG)
1129 const_iv (S_IFDIR)
1130 const_iv (S_IFWHT)
1131 const_iv (S_IFSOCK)
1132 const_iv (S_IFMT)
1133
1134 const_iv (ST_RDONLY)
1135 const_iv (ST_NOSUID)
1136 const_iv (ST_NODEV)
1137 const_iv (ST_NOEXEC)
1138 const_iv (ST_SYNCHRONOUS)
1139 const_iv (ST_MANDLOCK)
1140 const_iv (ST_WRITE)
1141 const_iv (ST_APPEND)
1142 const_iv (ST_IMMUTABLE)
1143 const_iv (ST_NOATIME)
1144 const_iv (ST_NODIRATIME)
1145 const_iv (ST_RELATIME)
1146
1147 const_iv (PROT_NONE)
1148 const_iv (PROT_EXEC)
1149 const_iv (PROT_READ)
1150 const_iv (PROT_WRITE)
1151
1152 const_iv (MAP_PRIVATE)
1153 const_iv (MAP_SHARED)
1154 const_iv (MAP_FIXED)
1155 const_iv (MAP_ANONYMOUS)
1156
1157 /* linuxish */
1158 const_iv (MAP_LOCKED)
1159 const_iv (MAP_NORESERVE)
1160 const_iv (MAP_POPULATE)
1161 const_iv (MAP_NONBLOCK)
1162 const_iv (MAP_GROWSDOWN)
1163 const_iv (MAP_32BIT)
1164 const_iv (MAP_HUGETLB)
1165 const_iv (MAP_STACK)
1166
1167 const_iv (MREMAP_MAYMOVE)
1168 const_iv (MREMAP_FIXED)
1169
1170 const_iv (F_DUPFD_CLOEXEC)
1171
1172 const_iv (MSG_CMSG_CLOEXEC)
1173 const_iv (SOCK_CLOEXEC)
1174
1175 const_iv (F_OFD_GETLK)
1176 const_iv (F_OFD_SETLK)
1177 const_iv (F_OFD_GETLKW)
1178
1179 const_iv (FIFREEZE)
1180 const_iv (FITHAW)
1181 const_iv (FITRIM)
1182 const_iv (FICLONE)
1183 const_iv (FICLONERANGE)
1184 const_iv (FIDEDUPERANGE)
1185
1186 const_iv (FS_IOC_GETFLAGS)
1187 const_iv (FS_IOC_SETFLAGS)
1188 const_iv (FS_IOC_GETVERSION)
1189 const_iv (FS_IOC_SETVERSION)
1190 const_iv (FS_IOC_FIEMAP)
1191 const_iv (FS_IOC_FSGETXATTR)
1192 const_iv (FS_IOC_FSSETXATTR)
1193 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1194 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1195 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1196
1197 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1198
1199 const_iv (FS_SECRM_FL)
1200 const_iv (FS_UNRM_FL)
1201 const_iv (FS_COMPR_FL)
1202 const_iv (FS_SYNC_FL)
1203 const_iv (FS_IMMUTABLE_FL)
1204 const_iv (FS_APPEND_FL)
1205 const_iv (FS_NODUMP_FL)
1206 const_iv (FS_NOATIME_FL)
1207 const_iv (FS_DIRTY_FL)
1208 const_iv (FS_COMPRBLK_FL)
1209 const_iv (FS_NOCOMP_FL)
1210 const_iv (FS_ENCRYPT_FL)
1211 const_iv (FS_BTREE_FL)
1212 const_iv (FS_INDEX_FL)
1213 const_iv (FS_JOURNAL_DATA_FL)
1214 const_iv (FS_NOTAIL_FL)
1215 const_iv (FS_DIRSYNC_FL)
1216 const_iv (FS_TOPDIR_FL)
1217 const_iv (FS_FL_USER_MODIFIABLE)
1218
1219 const_iv (FS_XFLAG_REALTIME)
1220 const_iv (FS_XFLAG_PREALLOC)
1221 const_iv (FS_XFLAG_IMMUTABLE)
1222 const_iv (FS_XFLAG_APPEND)
1223 const_iv (FS_XFLAG_SYNC)
1224 const_iv (FS_XFLAG_NOATIME)
1225 const_iv (FS_XFLAG_NODUMP)
1226 const_iv (FS_XFLAG_RTINHERIT)
1227 const_iv (FS_XFLAG_PROJINHERIT)
1228 const_iv (FS_XFLAG_NOSYMLINKS)
1229 const_iv (FS_XFLAG_EXTSIZE)
1230 const_iv (FS_XFLAG_EXTSZINHERIT)
1231 const_iv (FS_XFLAG_NODEFRAG)
1232 const_iv (FS_XFLAG_FILESTREAM)
1233 const_iv (FS_XFLAG_DAX)
1234 const_iv (FS_XFLAG_HASATTR)
1235
1236 const_iv (FIEMAP_FLAG_SYNC)
1237 const_iv (FIEMAP_FLAG_XATTR)
1238 const_iv (FIEMAP_FLAGS_COMPAT)
1239 const_iv (FIEMAP_EXTENT_LAST)
1240 const_iv (FIEMAP_EXTENT_UNKNOWN)
1241 const_iv (FIEMAP_EXTENT_DELALLOC)
1242 const_iv (FIEMAP_EXTENT_ENCODED)
1243 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1244 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1245 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1246 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1247 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1248 const_iv (FIEMAP_EXTENT_MERGED)
1249 const_iv (FIEMAP_EXTENT_SHARED)
1250
1251 const_iv (SPLICE_F_MOVE)
1252 const_iv (SPLICE_F_NONBLOCK)
1253 const_iv (SPLICE_F_MORE)
1254 const_iv (SPLICE_F_GIFT)
1255
1256 const_iv (EFD_CLOEXEC)
1257 const_iv (EFD_NONBLOCK)
1258 const_iv (EFD_SEMAPHORE)
1259
1260 const_iv (CLOCK_REALTIME)
1261 const_iv (CLOCK_MONOTONIC)
1262 const_iv (CLOCK_BOOTTIME)
1263 const_iv (CLOCK_REALTIME_ALARM)
1264 const_iv (CLOCK_BOOTTIME_ALARM)
1265
1266 const_iv (TFD_NONBLOCK)
1267 const_iv (TFD_CLOEXEC)
1268
1269 const_iv (TFD_TIMER_ABSTIME)
1270 const_iv (TFD_TIMER_CANCEL_ON_SET)
1271
1272 /* these are libeio constants, and are independent of gendef0 */
1273 const_eio (SEEK_SET)
1274 const_eio (SEEK_CUR)
1275 const_eio (SEEK_END)
1276
1277 const_eio (MCL_FUTURE)
1278 const_eio (MCL_CURRENT)
1279 const_eio (MCL_ONFAULT)
1280
1281 const_eio (MS_ASYNC)
1282 const_eio (MS_INVALIDATE)
1283 const_eio (MS_SYNC)
1284
1285 const_eio (MT_MODIFY)
1286
1287 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1288 const_eio (SYNC_FILE_RANGE_WRITE)
1289 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1290
1291 const_eio (FALLOC_FL_KEEP_SIZE)
1292 const_eio (FALLOC_FL_PUNCH_HOLE)
1293 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1294 const_eio (FALLOC_FL_ZERO_RANGE)
1295 const_eio (FALLOC_FL_INSERT_RANGE)
1296 const_eio (FALLOC_FL_UNSHARE_RANGE)
1297
1298 const_eio (RENAME_NOREPLACE)
1299 const_eio (RENAME_EXCHANGE)
1300 const_eio (RENAME_WHITEOUT)
1301
1302 const_eio (READDIR_DENTS)
1303 const_eio (READDIR_DIRS_FIRST)
1304 const_eio (READDIR_STAT_ORDER)
1305 const_eio (READDIR_FOUND_UNKNOWN)
1306
1307 const_eio (DT_UNKNOWN)
1308 const_eio (DT_FIFO)
1309 const_eio (DT_CHR)
1310 const_eio (DT_DIR)
1311 const_eio (DT_BLK)
1312 const_eio (DT_REG)
1313 const_eio (DT_LNK)
1314 const_eio (DT_SOCK)
1315 const_eio (DT_WHT)
1316 };
1317
480 stash = gv_stashpv ("IO::AIO", 1); 1318 aio_stash = gv_stashpv ("IO::AIO" , 1);
1319 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1320 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1321 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
481 1322
482 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1323 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
483 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1324 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
484 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1325
485 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1326 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
486 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1327
1328 /* allocate dummy pipe fd for aio_close */
1329 {
1330 int pipefd [2];
1331
1332 if (
487#ifndef _WIN32 1333#ifdef _WIN32
488 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1334 _pipe (pipefd, 1, _O_BINARY) < 0
1335#else
1336 pipe (pipefd) < 0
1337 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
489#endif 1338#endif
1339 || close (pipefd [1]) < 0
1340 )
1341 croak ("IO::AIO: unable to create dummy pipe for aio_close");
490 1342
491 create_respipe (); 1343 close_fd = pipefd [0];
1344 }
492 1345
493 if (eio_init (want_poll, done_poll) < 0) 1346 reinit ();
494 croak ("IO::AIO: unable to initialise eio library");
495
496 /* atfork child called in fifo order, so before eio's handler */
497 X_THREAD_ATFORK (0, 0, atfork_child);
498} 1347}
499 1348
500void 1349void
1350reinit ()
1351 PROTOTYPE:
1352
1353void
501max_poll_reqs (int nreqs) 1354max_poll_reqs (unsigned int nreqs)
502 PROTOTYPE: $ 1355 PROTOTYPE: $
503 CODE: 1356 CODE:
504 eio_set_max_poll_reqs (nreqs); 1357 eio_set_max_poll_reqs (nreqs);
505 1358
506void 1359void
… …
508 PROTOTYPE: $ 1361 PROTOTYPE: $
509 CODE: 1362 CODE:
510 eio_set_max_poll_time (nseconds); 1363 eio_set_max_poll_time (nseconds);
511 1364
512void 1365void
513min_parallel (int nthreads) 1366min_parallel (unsigned int nthreads)
514 PROTOTYPE: $ 1367 PROTOTYPE: $
515 CODE: 1368 CODE:
516 eio_set_min_parallel (nthreads); 1369 eio_set_min_parallel (nthreads);
517 1370
518void 1371void
519max_parallel (int nthreads) 1372max_parallel (unsigned int nthreads)
520 PROTOTYPE: $ 1373 PROTOTYPE: $
521 CODE: 1374 CODE:
522 eio_set_max_parallel (nthreads); 1375 eio_set_max_parallel (nthreads);
523 1376
524void 1377void
525max_idle (int nthreads) 1378max_idle (unsigned int nthreads)
526 PROTOTYPE: $ 1379 PROTOTYPE: $
527 CODE: 1380 CODE:
528 eio_set_max_idle (nthreads); 1381 eio_set_max_idle (nthreads);
529 1382
530void 1383void
1384idle_timeout (unsigned int seconds)
1385 PROTOTYPE: $
1386 CODE:
1387 eio_set_idle_timeout (seconds);
1388
1389void
531max_outstanding (int maxreqs) 1390max_outstanding (unsigned int maxreqs)
532 PROTOTYPE: $ 1391 PROTOTYPE: $
533 CODE: 1392 CODE:
534 max_outstanding = maxreqs; 1393 max_outstanding = maxreqs;
535 1394
536void 1395void
537aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1396aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
538 PROTOTYPE: $$$;$
539 PPCODE: 1397 PPCODE:
540{ 1398{
541 dREQ; 1399 dREQ;
542 1400
1401 req->type = EIO_WD_OPEN;
1402 req_set_path1 (req, pathname);
1403
1404 REQ_SEND;
1405}
1406
1407void
1408aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1409 PPCODE:
1410{
1411 dREQ;
1412
543 req->type = EIO_OPEN; 1413 req->type = EIO_OPEN;
544 req->sv1 = newSVsv (pathname); 1414 req_set_path1 (req, pathname);
545 req->ptr1 = SvPVbyte_nolen (req->sv1);
546 req->int1 = flags; 1415 req->int1 = flags;
547 req->int2 = mode; 1416 req->int2 = mode;
548 1417
549 REQ_SEND; 1418 REQ_SEND;
550} 1419}
551 1420
552void 1421void
553aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1422aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
554 PROTOTYPE: $;$
555 ALIAS: 1423 ALIAS:
556 aio_fsync = EIO_FSYNC 1424 aio_fsync = EIO_FSYNC
557 aio_fdatasync = EIO_FDATASYNC 1425 aio_fdatasync = EIO_FDATASYNC
1426 aio_syncfs = EIO_SYNCFS
558 PPCODE: 1427 PPCODE:
559{ 1428{
1429 int fd = s_fileno_croak (fh, 0);
560 dREQ; 1430 dREQ;
561 1431
562 req->type = ix; 1432 req->type = ix;
563 req->sv1 = newSVsv (fh); 1433 req->sv1 = newSVsv (fh);
564 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1434 req->int1 = fd;
565 1435
566 REQ_SEND (req); 1436 REQ_SEND;
567} 1437}
568 1438
569void 1439void
570aio_close (SV *fh, SV *callback=&PL_sv_undef) 1440aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
571 PROTOTYPE: $;$
572 PPCODE: 1441 PPCODE:
573{ 1442{
574 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1443 int fd = s_fileno_croak (fh, 0);
575 dREQ; 1444 dREQ;
576 1445
577 if (close_pipe < 0) 1446 req->type = EIO_SYNC_FILE_RANGE;
1447 req->sv1 = newSVsv (fh);
1448 req->int1 = fd;
1449 req->offs = offset;
1450 req->size = nbytes;
1451 req->int2 = flags;
1452
1453 REQ_SEND;
1454}
1455
1456void
1457aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 dREQ;
1462
1463 req->type = EIO_FALLOCATE;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->int2 = mode;
1467 req->offs = offset;
1468 req->size = len;
1469
1470 REQ_SEND;
1471}
1472
1473void
1474aio_close (SV *fh, SV *callback = &PL_sv_undef)
1475 PPCODE:
1476{
1477 dREQ;
1478 int fd = s_fileno_croak (fh, 0);
1479
1480 /* partially duplicate logic in s_fileno */
1481 SvGETMAGIC (fh);
1482
1483 if (SvROK (fh))
1484 {
1485 fh = SvRV (fh);
1486 SvGETMAGIC (fh);
1487 }
1488
1489 if (SvTYPE (fh) == SVt_PVGV)
578 { 1490 {
579 int pipefd [2]; 1491 /* perl filehandle */
1492 PerlIOUnix_refcnt_inc (fd);
1493 do_close ((GV *)fh, 1);
580 1494
581 if (pipe (pipefd) < 0 1495 req->type = EIO_CLOSE;
582 || close (pipefd [1]) < 0 1496 req->int1 = fd;
583 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1497 req->sv2 = newSVsv (fh);
584 abort (); /*D*/
585
586 close_pipe = pipefd [0];
587 } 1498 }
588 1499 else
1500 {
1501 /* fd number */
589 req->type = EIO_DUP2; 1502 req->type = EIO_DUP2;
590 req->int1 = close_pipe; 1503 req->int1 = close_fd;
1504 req->sv2 = newSVsv (fh);
1505 req->int2 = fd;
1506 }
1507
1508 REQ_SEND;
1509}
1510
1511void
1512aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1513 PPCODE:
1514{
1515 int fd = s_fileno_croak (fh, 0);
1516 dREQ;
1517
1518 req->type = EIO_SEEK;
591 req->sv2 = newSVsv (fh); 1519 req->sv1 = newSVsv (fh);
592 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1520 req->int1 = fd;
1521 req->offs = SvVAL64 (offset);
1522 req->int2 = whence;
593 1523
594 REQ_SEND (req); 1524 REQ_SEND;
595} 1525}
596 1526
597void 1527void
598aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1528aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
599 ALIAS: 1529 ALIAS:
600 aio_read = EIO_READ 1530 aio_read = EIO_READ
601 aio_write = EIO_WRITE 1531 aio_write = EIO_WRITE
602 PROTOTYPE: $$$$$;$
603 PPCODE: 1532 PPCODE:
604{ 1533{
605 STRLEN svlen; 1534 STRLEN svlen;
1535 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
606 char *svptr = SvPVbyte (data, svlen); 1536 char *svptr = SvPVbyte (data, svlen);
607 UV len = SvUV (length); 1537 UV len = SvUV (length);
608
609 SvUPGRADE (data, SVt_PV);
610 SvPOK_on (data);
611 1538
612 if (dataoffset < 0) 1539 if (dataoffset < 0)
613 dataoffset += svlen; 1540 dataoffset += svlen;
614 1541
615 if (dataoffset < 0 || dataoffset > svlen) 1542 if (dataoffset < 0 || dataoffset > svlen)
… …
621 if (!SvOK (length) || len + dataoffset > svlen) 1548 if (!SvOK (length) || len + dataoffset > svlen)
622 len = svlen - dataoffset; 1549 len = svlen - dataoffset;
623 } 1550 }
624 else 1551 else
625 { 1552 {
626 /* read: grow scalar as necessary */ 1553 /* read: check type and grow scalar as necessary */
1554 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
627 svptr = SvGROW (data, len + dataoffset + 1); 1555 svptr = sv_grow (data, len + dataoffset + 1);
1556 else if (SvCUR (data) < len + dataoffset)
1557 croak ("length + dataoffset outside of scalar, and cannot grow");
628 } 1558 }
629
630 if (len < 0)
631 croak ("length must not be negative");
632 1559
633 { 1560 {
634 dREQ; 1561 dREQ;
635 1562
636 req->type = ix; 1563 req->type = ix;
637 req->sv1 = newSVsv (fh); 1564 req->sv1 = newSVsv (fh);
638 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1565 req->int1 = fd;
639 : IoOFP (sv_2io (fh)));
640 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1566 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
641 req->size = len; 1567 req->size = len;
642 req->sv2 = SvREFCNT_inc (data); 1568 req->sv2 = SvREFCNT_inc (data);
643 req->ptr2 = (char *)svptr + dataoffset; 1569 req->ptr2 = (char *)svptr + dataoffset;
644 req->stroffset = dataoffset; 1570 req->stroffset = dataoffset;
… …
652 REQ_SEND; 1578 REQ_SEND;
653 } 1579 }
654} 1580}
655 1581
656void 1582void
657aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1583aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
658 PROTOTYPE: $$;$ 1584 ALIAS:
1585 aio_ioctl = EIO_IOCTL
1586 aio_fcntl = EIO_FCNTL
659 PPCODE: 1587 PPCODE:
660{ 1588{
661 SV *data; 1589 int fd = s_fileno_croak (fh, 0);
1590 char *svptr;
1591
1592 if (SvPOK (arg) || !SvNIOK (arg))
1593 {
1594 STRLEN svlen;
1595 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1596#ifdef IOCPARM_LEN
1597 STRLEN need = IOCPARM_LEN (request);
1598#else
1599 STRLEN need = 256;
1600#endif
1601
1602 if (svlen < need)
1603 svptr = SvGROW (arg, need);
1604 }
1605 else
1606 svptr = (char *)SvIV (arg);
1607
1608 {
1609 dREQ;
1610
1611 req->type = ix;
1612 req->sv1 = newSVsv (fh);
1613 req->int1 = fd;
1614 req->int2 = (long)request;
1615 req->sv2 = SvREFCNT_inc (arg);
1616 req->ptr2 = svptr;
1617
1618 REQ_SEND;
1619 }
1620}
1621
1622void
1623aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1624 ALIAS:
1625 aio_readlink = EIO_READLINK
1626 aio_realpath = EIO_REALPATH
1627 PPCODE:
1628{
662 dREQ; 1629 dREQ;
663 1630
664 req->type = EIO_READLINK; 1631 req->type = ix;
665 req->sv1 = newSVsv (path); 1632 req_set_path1 (req, pathname);
666 req->ptr1 = SvPVbyte_nolen (req->sv1);
667 1633
668 REQ_SEND; 1634 REQ_SEND;
669} 1635}
670 1636
671void 1637void
672aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1638aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
673 PROTOTYPE: $$$$;$
674 PPCODE: 1639 PPCODE:
675{ 1640{
1641 int ifd = s_fileno_croak (in_fh , 0);
1642 int ofd = s_fileno_croak (out_fh, 1);
676 dREQ; 1643 dREQ;
677 1644
678 req->type = EIO_SENDFILE; 1645 req->type = EIO_SENDFILE;
679 req->sv1 = newSVsv (out_fh); 1646 req->sv1 = newSVsv (out_fh);
680 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1647 req->int1 = ofd;
681 req->sv2 = newSVsv (in_fh); 1648 req->sv2 = newSVsv (in_fh);
682 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1649 req->int2 = ifd;
683 req->offs = SvVAL64 (in_offset); 1650 req->offs = in_offset;
684 req->size = length; 1651 req->size = length;
685 1652
686 REQ_SEND; 1653 REQ_SEND;
687} 1654}
688 1655
689void 1656void
690aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1657aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
691 PROTOTYPE: $$$;$
692 PPCODE: 1658 PPCODE:
693{ 1659{
1660 int fd = s_fileno_croak (fh, 0);
694 dREQ; 1661 dREQ;
695 1662
696 req->type = EIO_READAHEAD; 1663 req->type = EIO_READAHEAD;
697 req->sv1 = newSVsv (fh); 1664 req->sv1 = newSVsv (fh);
698 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1665 req->int1 = fd;
699 req->offs = SvVAL64 (offset); 1666 req->offs = offset;
700 req->size = length; 1667 req->size = length;
701 1668
702 REQ_SEND; 1669 REQ_SEND;
703} 1670}
704 1671
705void 1672void
706aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1673aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
707 ALIAS: 1674 ALIAS:
708 aio_stat = EIO_STAT 1675 aio_stat = EIO_STAT
709 aio_lstat = EIO_LSTAT 1676 aio_lstat = EIO_LSTAT
1677 aio_statvfs = EIO_STATVFS
710 PPCODE: 1678 PPCODE:
711{ 1679{
712 dREQ; 1680 dREQ;
713 1681
714 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
715
716 if (SvPOK (req->sv1))
717 {
718 req->type = ix;
719 req->ptr1 = SvPVbyte_nolen (req->sv1);
720 }
721 else
722 {
723 req->type = EIO_FSTAT;
724 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
725 }
726 1683
727 REQ_SEND; 1684 REQ_SEND;
728} 1685}
729 1686
730void 1687void
1688st_xtime ()
1689 ALIAS:
1690 st_atime = 0x01
1691 st_mtime = 0x02
1692 st_ctime = 0x04
1693 st_btime = 0x08
1694 st_xtime = 0x0f
1695 PPCODE:
1696 EXTEND (SP, 4);
1697 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1698 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1699 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1700 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1701
1702void
1703st_xtimensec ()
1704 ALIAS:
1705 st_atimensec = 0x01
1706 st_mtimensec = 0x02
1707 st_ctimensec = 0x04
1708 st_btimensec = 0x08
1709 st_xtimensec = 0x0f
1710 st_btimesec = 0x10
1711 st_gen = 0x20
1712 PPCODE:
1713 EXTEND (SP, 4);
1714 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1715 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1716 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1717 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1718 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1719 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1720
1721UV
1722major (UV dev)
1723 ALIAS:
1724 minor = 1
1725 CODE:
1726 RETVAL = ix ? minor (dev) : major (dev);
1727 OUTPUT:
1728 RETVAL
1729
1730UV
1731makedev (UV maj, UV min)
1732 CODE:
1733 RETVAL = makedev (maj, min);
1734 OUTPUT:
1735 RETVAL
1736
1737void
731aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1738aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
732 PPCODE: 1739 PPCODE:
733{ 1740{
734 dREQ; 1741 dREQ;
735 1742
736 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1743 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
737 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1744 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
738 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
739
740 if (SvPOK (req->sv1))
741 {
742 req->type = EIO_UTIME;
743 req->ptr1 = SvPVbyte_nolen (req->sv1);
744 }
745 else
746 {
747 req->type = EIO_FUTIME;
748 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
749 }
750 1746
751 REQ_SEND; 1747 REQ_SEND;
752} 1748}
753 1749
754void 1750void
755aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1751aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
756 PPCODE: 1752 PPCODE:
757{ 1753{
758 dREQ; 1754 dREQ;
759 1755
760 req->sv1 = newSVsv (fh_or_path);
761 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1756 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
762 1757 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
763 if (SvPOK (req->sv1))
764 {
765 req->type = EIO_TRUNCATE;
766 req->ptr1 = SvPVbyte_nolen (req->sv1);
767 }
768 else
769 {
770 req->type = EIO_FTRUNCATE;
771 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
772 }
773 1758
774 REQ_SEND; 1759 REQ_SEND;
775} 1760}
776 1761
777void 1762void
778aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1763aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
779 ALIAS:
780 aio_chmod = EIO_CHMOD
781 aio_mkdir = EIO_MKDIR
782 PPCODE: 1764 PPCODE:
783{ 1765{
784 dREQ; 1766 dREQ;
785 1767
786 req->int2 = mode; 1768 req->int2 = mode;
787 req->sv1 = newSVsv (fh_or_path); 1769 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
788
789 if (SvPOK (req->sv1))
790 {
791 req->type = ix;
792 req->ptr1 = SvPVbyte_nolen (req->sv1);
793 }
794 else
795 {
796 req->type = EIO_FCHMOD;
797 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
798 }
799 1770
800 REQ_SEND; 1771 REQ_SEND;
801} 1772}
802 1773
803void 1774void
804aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1775aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
805 PPCODE: 1776 PPCODE:
806{ 1777{
807 dREQ; 1778 dREQ;
808 1779
809 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1780 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
810 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1781 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
811 req->sv1 = newSVsv (fh_or_path); 1782 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
812
813 if (SvPOK (req->sv1))
814 {
815 req->type = EIO_CHOWN;
816 req->ptr1 = SvPVbyte_nolen (req->sv1);
817 }
818 else
819 {
820 req->type = EIO_FCHOWN;
821 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
822 }
823 1783
824 REQ_SEND; 1784 REQ_SEND;
825} 1785}
826 1786
827void 1787void
1788aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1789 PPCODE:
1790{
1791 dREQ;
1792
1793 req->type = EIO_READDIR;
1794 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1795
1796 if (flags & EIO_READDIR_DENTS)
1797 req->int1 |= EIO_READDIR_CUSTOM2;
1798
1799 req_set_path1 (req, pathname);
1800
1801 REQ_SEND;
1802}
1803
1804void
1805aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1806 PPCODE:
1807{
1808 dREQ;
1809
1810 req->type = EIO_MKDIR;
1811 req->int2 = mode;
1812 req_set_path1 (req, pathname);
1813
1814 REQ_SEND;
1815}
1816
1817void
828aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1818aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
829 ALIAS: 1819 ALIAS:
830 aio_unlink = EIO_UNLINK 1820 aio_unlink = EIO_UNLINK
831 aio_rmdir = EIO_RMDIR 1821 aio_rmdir = EIO_RMDIR
832 aio_readdir = EIO_READDIR 1822 aio_readdir = EIO_READDIR
833 PPCODE: 1823 PPCODE:
834{ 1824{
835 dREQ; 1825 dREQ;
836 1826
837 req->type = ix; 1827 req->type = ix;
838 req->sv1 = newSVsv (pathname); 1828 req_set_path1 (req, pathname);
839 req->ptr1 = SvPVbyte_nolen (req->sv1);
840 1829
841 REQ_SEND; 1830 REQ_SEND;
842} 1831}
843 1832
844void 1833void
845aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1834aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
846 ALIAS: 1835 ALIAS:
847 aio_link = EIO_LINK 1836 aio_link = EIO_LINK
848 aio_symlink = EIO_SYMLINK 1837 aio_symlink = EIO_SYMLINK
849 aio_rename = EIO_RENAME 1838 aio_rename = EIO_RENAME
850 PPCODE: 1839 PPCODE:
851{ 1840{
1841 eio_wd wd2 = 0;
852 dREQ; 1842 dREQ;
853 1843
854 req->type = ix; 1844 req->type = ix;
855 req->sv1 = newSVsv (oldpath); 1845 req_set_path1 (req, oldpath);
856 req->ptr1 = SvPVbyte_nolen (req->sv1); 1846 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
857 req->sv2 = newSVsv (newpath); 1847 req->int3 = (long)wd2;
858 req->ptr2 = SvPVbyte_nolen (req->sv2);
859 1848
860 REQ_SEND; 1849 REQ_SEND;
861} 1850}
862 1851
863void 1852void
1853aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1854 PPCODE:
1855{
1856 eio_wd wd2 = 0;
1857 dREQ;
1858
1859 req->type = EIO_RENAME;
1860 req_set_path1 (req, oldpath);
1861 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1862 req->int2 = flags;
1863 req->int3 = (long)wd2;
1864
1865 REQ_SEND;
1866}
1867
1868void
864aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1869aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
865 PPCODE: 1870 PPCODE:
866{ 1871{
867 dREQ; 1872 dREQ;
868 1873
869 req->type = EIO_MKNOD; 1874 req->type = EIO_MKNOD;
870 req->sv1 = newSVsv (pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int2 = (mode_t)mode; 1875 req->int2 = (mode_t)mode;
873 req->offs = dev; 1876 req->offs = dev;
1877 req_set_path1 (req, pathname);
874 1878
875 REQ_SEND; 1879 REQ_SEND;
876} 1880}
877 1881
878void 1882void
1883aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1884 ALIAS:
1885 aio_mtouch = EIO_MTOUCH
1886 aio_msync = EIO_MSYNC
1887 PPCODE:
1888{
1889 STRLEN svlen;
1890 char *svptr = SvPVbyte (data, svlen);
1891 UV len = SvUV (length);
1892
1893 if (flags < 0)
1894 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1895
1896 if (offset < 0)
1897 offset += svlen;
1898
1899 if (offset < 0 || offset > svlen)
1900 croak ("offset outside of scalar");
1901
1902 if (!SvOK (length) || len + offset > svlen)
1903 len = svlen - offset;
1904
1905 {
1906 dREQ;
1907
1908 req->type = ix;
1909 req->sv2 = SvREFCNT_inc (data);
1910 req->ptr2 = (char *)svptr + offset;
1911 req->size = len;
1912 req->int1 = flags;
1913
1914 REQ_SEND;
1915 }
1916}
1917
1918void
1919aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1920 PPCODE:
1921{
1922 STRLEN svlen;
1923 char *svptr = SvPVbyte (data, svlen);
1924 UV len = SvUV (length);
1925
1926 if (offset < 0)
1927 offset += svlen;
1928
1929 if (offset < 0 || offset > svlen)
1930 croak ("offset outside of scalar");
1931
1932 if (!SvOK (length) || len + offset > svlen)
1933 len = svlen - offset;
1934
1935 {
1936 dREQ;
1937
1938 req->type = EIO_MLOCK;
1939 req->sv2 = SvREFCNT_inc (data);
1940 req->ptr2 = (char *)svptr + offset;
1941 req->size = len;
1942
1943 REQ_SEND;
1944 }
1945}
1946
1947void
1948aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1949 PPCODE:
1950{
1951 dREQ;
1952
1953 req->type = EIO_MLOCKALL;
1954 req->int1 = flags;
1955
1956 REQ_SEND;
1957}
1958
1959void
1960aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1961 PPCODE:
1962{
1963 int fd = s_fileno_croak (fh, 0);
1964 dREQ;
1965
1966 req->type = EIO_CUSTOM;
1967 req->sv1 = newSVsv (fh);
1968 req->int1 = fd;
1969
1970 req->feed = fiemap;
1971#if HAVE_FIEMAP
1972 /* keep our fingers crossed that the next two types are 64 bit */
1973 req->offs = start;
1974 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1975 req->int2 = flags;
1976 req->int3 = SvOK (count) ? SvIV (count) : -1;
1977#endif
1978
1979 REQ_SEND;
1980}
1981
1982void
1983aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1984 PPCODE:
1985{
1986 char *svptr = 0;
1987
1988 sv_clear_foreign (data);
1989
1990 if (length) /* known length, directly read into scalar */
1991 {
1992 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1993 svptr = sv_grow (data, length + 1);
1994 else if (SvCUR (data) < length)
1995 croak ("length outside of scalar, and cannot grow");
1996 else
1997 svptr = SvPVbyte_nolen (data);
1998 }
1999
2000 {
2001 dREQ;
2002
2003 req->type = EIO_SLURP;
2004 req_set_path1 (req, pathname);
2005 req->offs = offset;
2006 req->size = length;
2007 req->sv2 = SvREFCNT_inc (data);
2008 req->ptr2 = svptr;
2009
2010 if (!SvREADONLY (data))
2011 {
2012 SvREADONLY_on (data);
2013 req->flags |= FLAG_SV2_RO_OFF;
2014 }
2015
2016 REQ_SEND;
2017 }
2018}
2019
2020void
879aio_busy (double delay, SV *callback=&PL_sv_undef) 2021aio_busy (double delay, SV *callback = &PL_sv_undef)
880 PPCODE: 2022 PPCODE:
881{ 2023{
882 dREQ; 2024 dREQ;
883 2025
884 req->type = EIO_BUSY; 2026 req->type = EIO_BUSY;
… …
886 2028
887 REQ_SEND; 2029 REQ_SEND;
888} 2030}
889 2031
890void 2032void
891aio_group (SV *callback=&PL_sv_undef) 2033aio_group (SV *callback = &PL_sv_undef)
892 PROTOTYPE: ;$
893 PPCODE: 2034 PPCODE:
894{ 2035{
895 dREQ; 2036 dREQ;
896 2037
897 req->type = EIO_GROUP; 2038 req->type = EIO_GROUP;
898 2039
2040 PUTBACK;
899 eio_submit (req); 2041 req_submit (req);
2042 SPAGAIN;
2043
900 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2044 XPUSHs (req_sv (req, aio_grp_stash));
901} 2045}
902 2046
903void 2047void
904aio_nop (SV *callback=&PL_sv_undef) 2048aio_nop (SV *callback = &PL_sv_undef)
905 ALIAS: 2049 ALIAS:
906 aio_nop = EIO_NOP 2050 aio_nop = EIO_NOP
907 aio_sync = EIO_SYNC 2051 aio_sync = EIO_SYNC
908 PPCODE: 2052 PPCODE:
909{ 2053{
… …
913 2057
914 REQ_SEND; 2058 REQ_SEND;
915} 2059}
916 2060
917int 2061int
918aioreq_pri (int pri = 0) 2062aioreq_pri (int pri = NO_INIT)
919 PROTOTYPE: ;$
920 CODE: 2063 CODE:
921 RETVAL = next_pri; 2064 RETVAL = next_pri;
922 if (items > 0) 2065 if (items > 0)
923 { 2066 {
924 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2067 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
936 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2079 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
937 next_pri = nice; 2080 next_pri = nice;
938 2081
939void 2082void
940flush () 2083flush ()
941 PROTOTYPE:
942 CODE: 2084 CODE:
943 while (eio_nreqs ()) 2085 while (eio_nreqs ())
944 { 2086 {
945 poll_wait (); 2087 poll_wait ();
946 poll_cb (); 2088 poll_cb ();
947 } 2089 }
948 2090
949int 2091int
950poll() 2092poll ()
951 PROTOTYPE:
952 CODE: 2093 CODE:
953 poll_wait (); 2094 poll_wait ();
954 RETVAL = poll_cb (); 2095 RETVAL = poll_cb ();
955 OUTPUT: 2096 OUTPUT:
956 RETVAL 2097 RETVAL
957 2098
958int 2099int
959poll_fileno() 2100poll_fileno ()
960 PROTOTYPE:
961 CODE: 2101 CODE:
962 RETVAL = respipe [0]; 2102 RETVAL = s_epipe_fd (&respipe);
963 OUTPUT: 2103 OUTPUT:
964 RETVAL 2104 RETVAL
965 2105
966int 2106int
967poll_cb(...) 2107poll_cb (...)
968 PROTOTYPE: 2108 PROTOTYPE:
969 CODE: 2109 CODE:
970 RETVAL = poll_cb (); 2110 RETVAL = poll_cb ();
971 OUTPUT: 2111 OUTPUT:
972 RETVAL 2112 RETVAL
973 2113
974void 2114void
975poll_wait() 2115poll_wait ()
976 PROTOTYPE:
977 CODE: 2116 CODE:
978 poll_wait (); 2117 poll_wait ();
979 2118
980int 2119int
981nreqs() 2120nreqs ()
982 PROTOTYPE:
983 CODE: 2121 CODE:
984 RETVAL = eio_nreqs (); 2122 RETVAL = eio_nreqs ();
985 OUTPUT: 2123 OUTPUT:
986 RETVAL 2124 RETVAL
987 2125
988int 2126int
989nready() 2127nready ()
990 PROTOTYPE:
991 CODE: 2128 CODE:
992 RETVAL = eio_nready (); 2129 RETVAL = eio_nready ();
993 OUTPUT: 2130 OUTPUT:
994 RETVAL 2131 RETVAL
995 2132
996int 2133int
997npending() 2134npending ()
998 PROTOTYPE:
999 CODE: 2135 CODE:
1000 RETVAL = eio_npending (); 2136 RETVAL = eio_npending ();
1001 OUTPUT: 2137 OUTPUT:
1002 RETVAL 2138 RETVAL
1003 2139
1004int 2140int
1005nthreads() 2141nthreads ()
1006 PROTOTYPE:
1007 CODE: 2142 CODE:
1008 RETVAL = eio_nthreads (); 2143 RETVAL = eio_nthreads ();
1009 OUTPUT: 2144 OUTPUT:
1010 RETVAL 2145 RETVAL
1011 2146
2147int
2148fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2149 CODE:
2150 RETVAL = posix_fadvise (fh, offset, length, advice);
2151 OUTPUT:
2152 RETVAL
2153
2154IV
2155sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2156 CODE:
2157 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2158 OUTPUT:
2159 RETVAL
2160
2161void
2162mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2163 PPCODE:
2164 sv_clear_foreign (scalar);
2165{
2166 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2167 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2168 if (addr == (void *)-1)
2169 XSRETURN_NO;
2170
2171 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2172
2173 if (!(prot & PROT_WRITE))
2174 SvREADONLY_on (scalar);
2175
2176 XSRETURN_YES;
2177}
2178
2179void
2180munmap (SV *scalar)
2181 CODE:
2182 sv_clear_foreign (scalar);
2183
2184SV *
2185mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2186 CODE:
2187{
2188 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2189 void *new;
2190
2191 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2192 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2193
2194 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2195
2196 RETVAL = &PL_sv_no;
2197
2198 if (new != (void *)-1)
2199 {
2200 RETVAL = new == (void *)mg->mg_ptr
2201 ? newSVpvn ("0 but true", 10)
2202 : &PL_sv_yes;
2203
2204 mg->mg_ptr = (char *)new;
2205 mg->mg_obj = (SV *)new_length;
2206
2207 SvPVX (scalar) = mg->mg_ptr;
2208 SvCUR_set (scalar, new_length);
2209 }
2210}
2211 OUTPUT:
2212 RETVAL
2213
2214int
2215madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2216 ALIAS:
2217 mprotect = 1
2218 CODE:
2219{
2220 STRLEN svlen;
2221 void *addr = SvPVbyte (scalar, svlen);
2222 STRLEN len = SvUV (length);
2223
2224 if (offset < 0)
2225 offset += svlen;
2226
2227 if (offset < 0 || offset > svlen)
2228 croak ("offset outside of scalar");
2229
2230 if (!SvOK (length) || len + offset > svlen)
2231 len = svlen - offset;
2232
2233 addr = (void *)(((intptr_t)addr) + offset);
2234 eio_page_align (&addr, &len);
2235
2236 switch (ix)
2237 {
2238 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2239 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2240 }
2241}
2242 OUTPUT:
2243 RETVAL
2244
2245int
2246munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2247 CODE:
2248{
2249 STRLEN svlen;
2250 void *addr = SvPVbyte (scalar, svlen);
2251 size_t len = SvUV (length);
2252
2253 if (offset < 0)
2254 offset += svlen;
2255
2256 if (offset < 0 || offset > svlen)
2257 croak ("offset outside of scalar");
2258
2259 if (!SvOK (length) || len + offset > svlen)
2260 len = svlen - offset;
2261
2262 addr = (void *)(((intptr_t)addr) + offset);
2263 eio_page_align (&addr, &len);
2264#if _POSIX_MEMLOCK_RANGE
2265 RETVAL = munlock (addr, len);
2266#else
2267 RETVAL = EIO_ENOSYS ();
2268#endif
2269}
2270 OUTPUT:
2271 RETVAL
2272
2273int
2274mlockall (int flags)
2275 PROTOTYPE: $;
2276 CODE:
2277 RETVAL = eio_mlockall_sync (flags);
2278 OUTPUT:
2279 RETVAL
2280
2281int
2282munlockall ()
2283 CODE:
2284#if _POSIX_MEMLOCK
2285 munlockall ();
2286#else
2287 RETVAL = EIO_ENOSYS ();
2288#endif
2289 OUTPUT:
2290 RETVAL
2291
2292int
2293splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2294 CODE:
2295{
2296#if HAVE_LINUX_SPLICE
2297 loff_t off_in_, off_out_;
2298 RETVAL = splice (
2299 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2300 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2301 length, flags
2302 );
2303#else
2304 RETVAL = EIO_ENOSYS ();
2305#endif
2306}
2307 OUTPUT:
2308 RETVAL
2309
2310int
2311tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2312 CODE:
2313#if HAVE_LINUX_SPLICE
2314 RETVAL = tee (rfh, wfh, length, flags);
2315#else
2316 RETVAL = EIO_ENOSYS ();
2317#endif
2318 OUTPUT:
2319 RETVAL
2320
2321int
2322pipesize (aio_rfd rfh, int new_size = -1)
2323 PROTOTYPE: $;$
2324 CODE:
2325#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2326 if (new_size >= 0)
2327 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2328 else
2329 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2330#else
2331 errno = ENOSYS;
2332 RETVAL = -1;
2333#endif
2334 OUTPUT:
2335 RETVAL
2336
2337void
2338pipe2 (int flags = 0)
2339 PROTOTYPE: ;$
2340 PPCODE:
2341{
2342 int fd[2];
2343 int res;
2344
2345 if (flags)
2346#if HAVE_PIPE2
2347 res = pipe2 (fd, flags);
2348#else
2349 res = (errno = ENOSYS, -1);
2350#endif
2351 else
2352 res = pipe (fd);
2353
2354 if (!res)
2355 {
2356 EXTEND (SP, 2);
2357 PUSHs (newmortalFH (fd[0], O_RDONLY));
2358 PUSHs (newmortalFH (fd[1], O_WRONLY));
2359 }
2360}
2361
2362void
2363eventfd (unsigned int initval = 0, int flags = 0)
2364 PPCODE:
2365{
2366 int fd;
2367#if HAVE_EVENTFD
2368 fd = eventfd (initval, flags);
2369#else
2370 fd = (errno = ENOSYS, -1);
2371#endif
2372
2373 XPUSHs (newmortalFH (fd, O_RDWR));
2374}
2375
2376void
2377timerfd_create (int clockid, int flags = 0)
2378 PPCODE:
2379{
2380 int fd;
2381#if HAVE_TIMERFD
2382 fd = timerfd_create (clockid, flags);
2383#else
2384 fd = (errno = ENOSYS, -1);
2385#endif
2386
2387 XPUSHs (newmortalFH (fd, O_RDWR));
2388}
2389
2390void
2391timerfd_settime (SV *fh, int flags, NV interval, NV value)
2392 PPCODE:
2393{
2394 int fd = s_fileno_croak (fh, 0);
2395#if HAVE_TIMERFD
2396 int res;
2397 struct itimerspec its, ots;
2398
2399 ts_set (&its.it_interval, interval);
2400 ts_set (&its.it_value , value);
2401 res = timerfd_settime (fd, flags, &its, &ots);
2402
2403 if (!res)
2404 {
2405 EXTEND (SP, 2);
2406 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2407 PUSHs (newSVnv (ts_get (&ots.it_value)));
2408 }
2409#else
2410 errno = ENOSYS;
2411#endif
2412}
2413
2414void
2415timerfd_gettime (SV *fh)
2416 PPCODE:
2417{
2418 int fd = s_fileno_croak (fh, 0);
2419#if HAVE_TIMERFD
2420 int res;
2421 struct itimerspec ots;
2422 res = timerfd_gettime (fd, &ots);
2423
2424 if (!res)
2425 {
2426 EXTEND (SP, 2);
2427 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2428 PUSHs (newSVnv (ts_get (&ots.it_value)));
2429 }
2430#else
2431 errno = ENOSYS;
2432#endif
2433}
2434
2435UV
2436get_fdlimit ()
2437 CODE:
2438#if HAVE_RLIMITS
2439 struct rlimit rl;
2440 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2441 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2442#endif
2443 XSRETURN_UNDEF;
2444 OUTPUT:
2445 RETVAL
2446
2447void
2448min_fdlimit (UV limit = 0x7fffffffU)
2449 CODE:
2450{
2451#if HAVE_RLIMITS
2452 struct rlimit rl;
2453 rlim_t orig_rlim_max;
2454 UV bit;
2455
2456 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2457 goto fail;
2458
2459 if (rl.rlim_cur == RLIM_INFINITY)
2460 XSRETURN_YES;
2461
2462 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2463
2464 if (rl.rlim_cur < limit)
2465 {
2466 rl.rlim_cur = limit;
2467
2468 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2469 rl.rlim_max = rl.rlim_cur;
2470 }
2471
2472 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2473 XSRETURN_YES;
2474
2475 if (errno == EPERM)
2476 {
2477 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2478 /* our limit overflows a system-wide limit */
2479 /* try an adaptive algorithm, but do not lower the hardlimit */
2480 rl.rlim_max = 0;
2481 for (bit = 0x40000000U; bit; bit >>= 1)
2482 {
2483 rl.rlim_max |= bit;
2484 rl.rlim_cur = rl.rlim_max;
2485
2486 /* nevr decrease the hard limit */
2487 if (rl.rlim_max < orig_rlim_max)
2488 break;
2489
2490 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2491 rl.rlim_max &= ~bit; /* too high, remove bit again */
2492 }
2493
2494 /* now, raise the soft limit to the max permitted */
2495 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2496 {
2497 rl.rlim_cur = rl.rlim_max;
2498 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2499 errno = EPERM;
2500 }
2501 }
2502#endif
2503 fail:
2504 XSRETURN_UNDEF;
2505}
2506
1012void _on_next_submit (SV *cb) 2507void _on_next_submit (SV *cb)
1013 CODE: 2508 CODE:
1014 SvREFCNT_dec (on_next_submit); 2509 SvREFCNT_dec (on_next_submit);
1015 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2510 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1016 2511
1017PROTOTYPES: DISABLE 2512PROTOTYPES: DISABLE
1018 2513
2514MODULE = IO::AIO PACKAGE = IO::AIO::WD
2515
2516BOOT:
2517{
2518 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2519 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2520}
2521
2522void
2523DESTROY (SV *self)
2524 CODE:
2525{
2526 aio_wd wd = SvAIO_WD (self);
2527#if HAVE_AT
2528 {
2529 SV *callback = &PL_sv_undef;
2530 dREQ; /* clobbers next_pri :/ */
2531 next_pri = req->pri; /* restore next_pri */
2532 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2533 req->type = EIO_WD_CLOSE;
2534 req->wd = wd;
2535 REQ_SEND;
2536 }
2537#else
2538 eio_wd_close_sync (wd);
2539#endif
2540}
2541
1019MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2542MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1020 2543
1021void 2544void
1022cancel (aio_req_ornot req) 2545cancel (aio_req_ornot req)
1023 CODE: 2546 CODE:
1024 eio_cancel (req); 2547 eio_cancel (req);
1025 2548
1026void 2549void
1027cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2550cb (aio_req_ornot req, SV *callback = NO_INIT)
1028 CODE: 2551 PPCODE:
2552{
2553 if (GIMME_V != G_VOID)
2554 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2555
2556 if (items > 1)
2557 {
2558 SV *cb_cv = get_cb (callback);
2559
1029 SvREFCNT_dec (req->callback); 2560 SvREFCNT_dec (req->callback);
1030 req->callback = newSVsv (callback); 2561 req->callback = SvREFCNT_inc (cb_cv);
2562 }
2563}
1031 2564
1032MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2565MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1033 2566
1034void 2567void
1035add (aio_req grp, ...) 2568add (aio_req grp, ...)
… …
1067 AV *av; 2600 AV *av;
1068 2601
1069 grp->errorno = errno; 2602 grp->errorno = errno;
1070 2603
1071 av = newAV (); 2604 av = newAV ();
2605 av_extend (av, items - 1);
1072 2606
1073 for (i = 1; i < items; ++i ) 2607 for (i = 1; i < items; ++i )
1074 av_push (av, newSVsv (ST (i))); 2608 av_push (av, newSVsv (ST (i)));
1075 2609
1076 SvREFCNT_dec (grp->sv1); 2610 SvREFCNT_dec (grp->sv1);
… …
1086limit (aio_req grp, int limit) 2620limit (aio_req grp, int limit)
1087 CODE: 2621 CODE:
1088 eio_grp_limit (grp, limit); 2622 eio_grp_limit (grp, limit);
1089 2623
1090void 2624void
1091feed (aio_req grp, SV *callback=&PL_sv_undef) 2625feed (aio_req grp, SV *callback = &PL_sv_undef)
1092 CODE: 2626 CODE:
1093{ 2627{
1094 SvREFCNT_dec (grp->sv2); 2628 SvREFCNT_dec (grp->sv2);
1095 grp->sv2 = newSVsv (callback); 2629 grp->sv2 = newSVsv (callback);
2630 grp->feed = aio_grp_feed;
1096 2631
1097 if (grp->int2 <= 0) 2632 if (grp->int2 <= 0)
1098 grp->int2 = 2; 2633 grp->int2 = 2;
1099 2634
1100 eio_grp_limit (grp, grp->int2); 2635 eio_grp_limit (grp, grp->int2);

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