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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.145 by root, Fri Jun 12 16:55:17 2009 UTC vs.
Revision 1.272 by root, Wed Jan 2 16:32:57 2019 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 86
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
83#endif 95#endif
84 96
85/*****************************************************************************/ 97/*****************************************************************************/
86 98
87#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
95 107
96/*****************************************************************************/ 108/*****************************************************************************/
97 109
98static 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_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
99typedef 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 */
100 171
101#define AIO_REQ_KLASS "IO::AIO::REQ" 172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 173
104#define EIO_REQ_MEMBERS \ 174#define EIO_REQ_MEMBERS \
105 SV *callback; \ 175 SV *callback; \
106 SV *sv1, *sv2; \ 176 SV *sv1, *sv2; \
177 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 178 STRLEN stroffset; \
108 SV *self; 179 SV *self;
109 180
110#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
111 182
… …
114static int req_invoke (eio_req *req); 185static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 186#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 187static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 188#define EIO_DESTROY(req) req_destroy (req)
118 189
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 */
429
119enum { 430enum {
120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121}; 432};
122 433
123#include "libeio/eio.c"
124
125typedef eio_req *aio_req; 434typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
127 437
128static SV *on_next_submit; 438static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 440static int max_outstanding;
131 441
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 442static s_epipe respipe;
133 443
134static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
136 446
137static void want_poll (void) 447static void
448want_poll (void)
138{ 449{
139 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 451 s_epipe_signal (&respipe);
141} 452}
142 453
143static void done_poll (void) 454static void
455done_poll (void)
144{ 456{
145 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
146 char buf [4]; 458 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 459}
150 460
151/* must be called at most once */ 461/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 462static SV *
463req_sv (aio_req req, HV *stash)
153{ 464{
154 if (!req->self) 465 if (!req->self)
155 { 466 {
156 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 469 }
159 470
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 472}
162 473
163static 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)
164{ 482{
165 MAGIC *mg; 483 MAGIC *mg;
166 484
167 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")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 490 croak ("object of class IO::AIO::REQ expected");
169 491
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 493
172 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
173} 495}
174 496
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
175static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
176{ 535{
177 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
178 { 537 {
179 dSP; 538 dSP;
180 539
181 ENTER; 540 ENTER;
182 SAVETMPS; 541 SAVETMPS;
183 PUSHMARK (SP); 542 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 543 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 544 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 545 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 546 SPAGAIN;
188 FREETMPS; 547 FREETMPS;
189 LEAVE; 548 LEAVE;
190 } 549 }
191} 550}
192 551
552static void
193static void req_submit (eio_req *req) 553req_submit (eio_req *req)
194{ 554{
195 eio_submit (req); 555 eio_submit (req);
196 556
197 if (expect_false (on_next_submit)) 557 if (expect_false (on_next_submit))
198 { 558 {
… …
205 PUTBACK; 565 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
207 } 567 }
208} 568}
209 569
570static int
210static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
211{ 572{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
216 575
217 if (!EIO_CANCELLED (req) && req->callback) 576 if (!EIO_CANCELLED (req) && req->callback)
218 { 577 {
578 dSP;
579 static SV *sv_result_cache; /* caches the result integer SV */
580 SV *sv_result;
581
219 ENTER; 582 ENTER;
220 SAVETMPS; 583 SAVETMPS;
221 PUSHMARK (SP); 584 PUSHMARK (SP);
222 EXTEND (SP, 1); 585 EXTEND (SP, 1);
223 586
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
224 switch (req->type) 600 switch (req->type)
225 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
226 case EIO_READDIR: 606 case EIO_READDIR:
227 { 607 {
228 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
229 609
230 if (req->result >= 0) 610 if (req->result >= 0)
231 { 611 {
232 int i; 612 int i;
233 char *buf = req->ptr2; 613 char *names = (char *)req->ptr2;
614 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 615 AV *av = newAV ();
235 616
236 av_extend (av, req->result - 1); 617 av_extend (av, req->result - 1);
237 618
238 for (i = 0; i < req->result; ++i) 619 for (i = 0; i < req->result; ++i)
239 { 620 {
240 if (req->int1 & EIO_READDIR_DENTS) 621 if (req->int1 & EIO_READDIR_DENTS)
241 { 622 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 623 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 624
245 if (req->int1 & EIO_READDIR_CUSTOM2) 625 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 626 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 627 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 628 AV *avent = newAV ();
… …
262 av_store (av, i, newRV_noinc ((SV *)avent)); 642 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 643 }
264 else 644 else
265 av_store (av, i, namesv); 645 av_store (av, i, namesv);
266 646
267 buf += sizeof (eio_dirent); 647 ++ent;
268 } 648 }
269 else 649 else
270 { 650 {
271 SV *name = newSVpv (buf, 0); 651 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 652 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 653 names += SvCUR (name) + 1;
274 } 654 }
275 } 655 }
276 656
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 657 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 658 }
… …
283 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 663 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
284 } 664 }
285 break; 665 break;
286 666
287 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:
288 { 673 {
289 /* convert fd to fh */
290 SV *fh = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
291 675
676#ifndef _WIN32
292 if (req->result >= 0) 677 if (req->result >= 0)
293 { 678 {
679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294 GV *gv = (GV *)sv_newmortal (); 680 HV *hv = newHV ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 681 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296 char sym [64]; 682 * chooses to make it a struct.
297 int symlen;
298 683 */
299 symlen = snprintf (sym, sizeof (sym), "fd#%u", (unsigned int)req->result); 684 unsigned long fsid = 0;
300 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));
301 686
302 symlen = snprintf ( 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
303 sym,
304 sizeof (sym),
305 "%s&=%u",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 (unsigned int)req->result
308 );
309 688
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 689 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311 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);
312 } 700 }
701#endif
313 702
314 PUSHs (fh); 703 PUSHs (rv);
315 } 704 }
705
316 break; 706 break;
317 707
318 case EIO_GROUP: 708 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 709 req->int1 = 2; /* mark group as finished */
320 710
… …
332 case EIO_NOP: 722 case EIO_NOP:
333 case EIO_BUSY: 723 case EIO_BUSY:
334 break; 724 break;
335 725
336 case EIO_READLINK: 726 case EIO_READLINK:
727 case EIO_REALPATH:
337 if (req->result > 0) 728 if (req->result > 0)
338 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 729 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339 break; 730 break;
340 731
341 case EIO_STAT: 732 case EIO_STAT:
342 case EIO_LSTAT: 733 case EIO_LSTAT:
343 case EIO_FSTAT: 734 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
345 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 PUSHs (sv_2mortal (newSViv (req->result))); 740
741 PUSHs (sv_result);
742 break;
743
744 case EIO_SEEK:
745 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
348 break; 746 break;
349 747
350 case EIO_READ: 748 case EIO_READ:
351 { 749 {
352 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));
353 *SvEND (req->sv2) = 0; 751 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 752 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 754 PUSHs (sv_result);
357 } 755 }
358 break; 756 break;
359 757
360 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 */
361 if (req->result > 0) 823 if (req->result > 0)
362 req->result = 0; 824 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 825 /* FALLTHROUGH */
364 826
365 default: 827 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 828 PUSHs (sv_result);
367 break; 829 break;
368 } 830 }
369 831
370 errno = req->errorno; 832 errno = req->errorno;
371 833
372 PUTBACK; 834 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 835 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 836 SPAGAIN;
375 837
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
376 FREETMPS; 843 FREETMPS;
377 LEAVE; 844 LEAVE;
378 845
379 PUTBACK; 846 PUTBACK;
380 } 847 }
381 848
382 return !!SvTRUE (ERRSV); 849 return !!SvTRUE (ERRSV);
383} 850}
384 851
852static void
385static void req_destroy (aio_req req) 853req_destroy (aio_req req)
386{ 854{
387 if (req->self) 855 if (req->self)
388 { 856 {
389 sv_unmagic (req->self, PERL_MAGIC_ext); 857 sv_unmagic (req->self, PERL_MAGIC_ext);
390 SvREFCNT_dec (req->self); 858 SvREFCNT_dec (req->self);
391 } 859 }
392 860
393 SvREFCNT_dec (req->sv1); 861 SvREFCNT_dec (req->sv1);
394 SvREFCNT_dec (req->sv2); 862 SvREFCNT_dec (req->sv2);
863 SvREFCNT_dec (req->sv3);
864 SvREFCNT_dec (req->sv4);
395 SvREFCNT_dec (req->callback); 865 SvREFCNT_dec (req->callback);
396 866
397 Safefree (req); 867 free (req);
398} 868}
399 869
870static void
400static void req_cancel_subs (aio_req grp) 871req_cancel_subs (aio_req grp)
401{ 872{
402 aio_req sub;
403
404 if (grp->type != EIO_GROUP) 873 if (grp->type != EIO_GROUP)
405 return; 874 return;
406 875
407 SvREFCNT_dec (grp->sv2); 876 SvREFCNT_dec (grp->sv2);
408 grp->sv2 = 0; 877 grp->sv2 = 0;
409 878
410 eio_grp_cancel (grp); 879 eio_grp_cancel (grp);
411} 880}
412 881
413#ifdef USE_SOCKETS_AS_HANDLES 882static void ecb_cold
414# define TO_SOCKET(x) (win32_get_osfhandle (x)) 883create_respipe (void)
415#else 884{
416# define TO_SOCKET(x) (x) 885 if (s_epipe_renew (&respipe))
417#endif 886 croak ("IO::AIO: unable to initialize result pipe");
887}
418 888
419static void 889static void
420create_respipe (void) 890poll_wait (void)
421{ 891{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe))
431#endif
432 croak ("unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455}
456
457static void poll_wait (void)
458{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 892 while (eio_nreqs ())
462 { 893 {
463 int size; 894 int size;
464 895
465 X_LOCK (reslock); 896 X_LOCK (EIO_POOL->reslock);
466 size = res_queue.size; 897 size = EIO_POOL->res_queue.size;
467 X_UNLOCK (reslock); 898 X_UNLOCK (EIO_POOL->reslock);
468 899
469 if (size) 900 if (size)
470 return; 901 return;
471 902
472 etp_maybe_start_thread (); 903 etp_maybe_start_thread (EIO_POOL);
473 904
474 FD_ZERO (&rfd); 905 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 906 }
479} 907}
480 908
481static int poll_cb (void) 909static int
910poll_cb (void)
482{ 911{
483 for (;;) 912 for (;;)
484 { 913 {
485 int res = eio_poll (); 914 int res = eio_poll ();
486 915
… …
492 921
493 poll_wait (); 922 poll_wait ();
494 } 923 }
495} 924}
496 925
497static void atfork_child (void) 926static void ecb_cold
927reinit (void)
498{ 928{
499 create_respipe (); 929 create_respipe ();
930
931 if (eio_init (want_poll, done_poll) < 0)
932 croak ("IO::AIO: unable to initialise eio library");
500} 933}
934
935/*****************************************************************************/
501 936
502static SV * 937static SV *
503get_cb (SV *cb_sv) 938get_cb (SV *cb_sv)
504{ 939{
505 HV *st; 940 SvGETMAGIC (cb_sv);
506 GV *gvp; 941 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
942}
943
944static aio_req ecb_noinline
945dreq (SV *callback)
946{
507 CV *cv; 947 SV *cb_cv;
948 aio_req req;
949 int req_pri = next_pri;
950 next_pri = EIO_PRI_DEFAULT;
508 951
509 if (!SvOK (cb_sv)) 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
510 return 0; 961 return req;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 962}
519 963
520#define dREQ \ 964#define dREQ \
521 SV *cb_cv; \ 965 aio_req req = dreq (callback); \
522 aio_req req; \
523 int req_pri = next_pri; \
524 next_pri = EIO_PRI_DEFAULT; \
525 \
526 cb_cv = get_cb (callback); \
527 \
528 Newz (0, req, 1, eio_req); \
529 if (!req) \
530 croak ("out of memory during eio_req allocation"); \
531 \
532 req->callback = SvREFCNT_inc (cb_cv); \
533 req->pri = req_pri
534 966
535#define REQ_SEND \ 967#define REQ_SEND \
536 PUTBACK; \ 968 PUTBACK; \
537 req_submit (req); \ 969 req_submit (req); \
538 SPAGAIN; \ 970 SPAGAIN; \
539 \ 971 \
540 if (GIMME_V != G_VOID) \ 972 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 973 XPUSHs (req_sv (req, aio_req_stash));
542 974
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
543static int 1041static void
544extract_fd (SV *fh, int wr) 1042ts_set (struct timespec *ts, NV value)
545{ 1043{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1044 ts->tv_sec = value;
547 1045 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552} 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;
553 1057
554MODULE = IO::AIO PACKAGE = IO::AIO 1058MODULE = IO::AIO PACKAGE = IO::AIO
555 1059
556PROTOTYPES: ENABLE 1060PROTOTYPES: ENABLE
557 1061
558BOOT: 1062BOOT:
559{ 1063{
560 HV *stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 1064 static const struct {
563 const char *name; 1065 const char *name;
564 IV iv; 1066 IV iv;
565 } *civ, const_iv[] = { 1067 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 1068# define const_niv(name, value) { # name, (IV) value },
1069# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 1070# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 1071
1072 /* you have to re-run ./gendef0 after adding/removing any constants here */
1073 /* the first block can be undef if missing */
569 const_iv (ENOSYS , ENOSYS) 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
570 const_iv (O_RDONLY, O_RDONLY) 1098 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 1099 const_iv (O_WRONLY)
1100 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 1101 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 1102 const_iv (O_TRUNC)
574#ifndef _WIN32 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
575 const_iv (S_IFIFO , S_IFIFO) 1124 const_iv (S_IFIFO)
576#endif 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
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1287 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 1288 const_eio (SYNC_FILE_RANGE_WRITE)
579 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 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)
580 1301
581 const_eio (READDIR_DENTS) 1302 const_eio (READDIR_DENTS)
582 const_eio (READDIR_DIRS_FIRST) 1303 const_eio (READDIR_DIRS_FIRST)
583 const_eio (READDIR_STAT_ORDER) 1304 const_eio (READDIR_STAT_ORDER)
584 const_eio (READDIR_FOUND_UNKNOWN) 1305 const_eio (READDIR_FOUND_UNKNOWN)
… …
592 const_eio (DT_LNK) 1313 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 1314 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 1315 const_eio (DT_WHT)
595 }; 1316 };
596 1317
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);
1322
597 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1323 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1324 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599 1325
600 create_respipe (); 1326 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601 1327
602 if (eio_init (want_poll, done_poll) < 0) 1328 /* allocate dummy pipe fd for aio_close */
603 croak ("IO::AIO: unable to initialise eio library"); 1329 {
1330 int pipefd [2];
604 1331
605 /* atfork child called in fifo order, so before eio's handler */ 1332 if (
606 X_THREAD_ATFORK (0, 0, atfork_child); 1333#ifdef _WIN32
607} 1334 _pipe (pipefd, 1, _O_BINARY) < 0
1335#else
1336 pipe (pipefd) < 0
1337 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1338#endif
1339 || close (pipefd [1]) < 0
1340 )
1341 croak ("IO::AIO: unable to create dummy pipe for aio_close");
608 1342
1343 close_fd = pipefd [0];
1344 }
1345
1346 reinit ();
1347}
1348
609void 1349void
1350reinit ()
1351 PROTOTYPE:
1352
1353void
610max_poll_reqs (int nreqs) 1354max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 1355 PROTOTYPE: $
612 CODE: 1356 CODE:
613 eio_set_max_poll_reqs (nreqs); 1357 eio_set_max_poll_reqs (nreqs);
614 1358
615void 1359void
… …
617 PROTOTYPE: $ 1361 PROTOTYPE: $
618 CODE: 1362 CODE:
619 eio_set_max_poll_time (nseconds); 1363 eio_set_max_poll_time (nseconds);
620 1364
621void 1365void
622min_parallel (int nthreads) 1366min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 1367 PROTOTYPE: $
624 CODE: 1368 CODE:
625 eio_set_min_parallel (nthreads); 1369 eio_set_min_parallel (nthreads);
626 1370
627void 1371void
628max_parallel (int nthreads) 1372max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 1373 PROTOTYPE: $
630 CODE: 1374 CODE:
631 eio_set_max_parallel (nthreads); 1375 eio_set_max_parallel (nthreads);
632 1376
633void 1377void
634max_idle (int nthreads) 1378max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 1379 PROTOTYPE: $
636 CODE: 1380 CODE:
637 eio_set_max_idle (nthreads); 1381 eio_set_max_idle (nthreads);
638 1382
639void 1383void
1384idle_timeout (unsigned int seconds)
1385 PROTOTYPE: $
1386 CODE:
1387 eio_set_idle_timeout (seconds);
1388
1389void
640max_outstanding (int maxreqs) 1390max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 1391 PROTOTYPE: $
642 CODE: 1392 CODE:
643 max_outstanding = maxreqs; 1393 max_outstanding = maxreqs;
644 1394
645void 1395void
646aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1396aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647 PROTOTYPE: $$$;$
648 PPCODE: 1397 PPCODE:
649{ 1398{
650 dREQ; 1399 dREQ;
651 1400
1401 req->type = EIO_WD_OPEN;
1402 req_set_path1 (req, pathname);
1403
1404 REQ_SEND;
1405}
1406
1407void
1408aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1409 PPCODE:
1410{
1411 dREQ;
1412
652 req->type = EIO_OPEN; 1413 req->type = EIO_OPEN;
653 req->sv1 = newSVsv (pathname); 1414 req_set_path1 (req, pathname);
654 req->ptr1 = SvPVbyte_nolen (req->sv1);
655 req->int1 = flags; 1415 req->int1 = flags;
656 req->int2 = mode; 1416 req->int2 = mode;
657 1417
658 REQ_SEND; 1418 REQ_SEND;
659} 1419}
660 1420
661void 1421void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1422aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 1423 ALIAS:
665 aio_fsync = EIO_FSYNC 1424 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 1425 aio_fdatasync = EIO_FDATASYNC
1426 aio_syncfs = EIO_SYNCFS
667 PPCODE: 1427 PPCODE:
668{ 1428{
669 int fd = extract_fd (fh, 0); 1429 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1430 dREQ;
671 1431
672 req->type = ix; 1432 req->type = ix;
673 req->sv1 = newSVsv (fh); 1433 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 1434 req->int1 = fd;
675 1435
676 REQ_SEND (req); 1436 REQ_SEND;
677} 1437}
678 1438
679void 1439void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1440aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 1441 PPCODE:
683{ 1442{
684 int fd = extract_fd (fh, 0); 1443 int fd = s_fileno_croak (fh, 0);
685 dREQ; 1444 dREQ;
686 1445
687 req->type = EIO_SYNC_FILE_RANGE; 1446 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 1447 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 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)
1490 {
1491 /* perl filehandle */
1492 PerlIOUnix_refcnt_inc (fd);
1493 do_close ((GV *)fh, 1);
1494
1495 req->type = EIO_CLOSE;
1496 req->int1 = fd;
1497 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1498 }
1499 else
1500 {
1501 /* fd number */
1502 req->type = EIO_DUP2;
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;
1519 req->sv1 = newSVsv (fh);
1520 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 1521 req->offs = SvVAL64 (offset);
691 req->size = SvVAL64 (nbytes);
692 req->int2 = flags; 1522 req->int2 = whence;
693 1523
694 REQ_SEND (req); 1524 REQ_SEND;
695} 1525}
696 1526
697void 1527void
698aio_close (SV *fh, SV *callback=&PL_sv_undef)
699 PROTOTYPE: $;$
700 PPCODE:
701{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
703 int fd = extract_fd (fh, 0);
704 dREQ;
705
706 if (close_pipe < 0)
707 {
708 int pipefd [2];
709
710 if (pipe (pipefd) < 0
711 || close (pipefd [1]) < 0
712 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
713 abort (); /*D*/
714
715 close_pipe = pipefd [0];
716 }
717
718 req->type = EIO_DUP2;
719 req->int1 = close_pipe;
720 req->sv2 = newSVsv (fh);
721 req->int2 = fd;
722
723 REQ_SEND (req);
724}
725
726void
727aio_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)
728 ALIAS: 1529 ALIAS:
729 aio_read = EIO_READ 1530 aio_read = EIO_READ
730 aio_write = EIO_WRITE 1531 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 1532 PPCODE:
733{ 1533{
734 STRLEN svlen; 1534 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 1535 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 1536 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 1537 UV len = SvUV (length);
738 1538
739 if (dataoffset < 0) 1539 if (dataoffset < 0)
740 dataoffset += svlen; 1540 dataoffset += svlen;
… …
749 len = svlen - dataoffset; 1549 len = svlen - dataoffset;
750 } 1550 }
751 else 1551 else
752 { 1552 {
753 /* read: check type and grow scalar as necessary */ 1553 /* read: check type and grow scalar as necessary */
754 SvUPGRADE (data, SVt_PV); 1554 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755 svptr = SvGROW (data, len + dataoffset + 1); 1555 svptr = sv_grow (data, len + dataoffset + 1);
1556 else if (SvCUR (data) < len + dataoffset)
1557 croak ("length + dataoffset outside of scalar, and cannot grow");
756 } 1558 }
757 1559
758 { 1560 {
759 dREQ; 1561 dREQ;
760 1562
… …
776 REQ_SEND; 1578 REQ_SEND;
777 } 1579 }
778} 1580}
779 1581
780void 1582void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1583aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
782 PROTOTYPE: $$;$ 1584 ALIAS:
1585 aio_ioctl = EIO_IOCTL
1586 aio_fcntl = EIO_FCNTL
783 PPCODE: 1587 PPCODE:
784{ 1588{
785 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{
786 dREQ; 1629 dREQ;
787 1630
788 req->type = EIO_READLINK; 1631 req->type = ix;
789 req->sv1 = newSVsv (path); 1632 req_set_path1 (req, pathname);
790 req->ptr1 = SvPVbyte_nolen (req->sv1);
791 1633
792 REQ_SEND; 1634 REQ_SEND;
793} 1635}
794 1636
795void 1637void
796aio_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)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1639 PPCODE:
799{ 1640{
800 int ifd = extract_fd (in_fh , 0); 1641 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1642 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1643 dREQ;
803 1644
804 req->type = EIO_SENDFILE; 1645 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1646 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1647 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1648 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1649 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1650 req->offs = in_offset;
810 req->size = length; 1651 req->size = length;
811 1652
812 REQ_SEND; 1653 REQ_SEND;
813} 1654}
814 1655
815void 1656void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1657aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1658 PPCODE:
819{ 1659{
820 int fd = extract_fd (fh, 0); 1660 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1661 dREQ;
822 1662
823 req->type = EIO_READAHEAD; 1663 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1664 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1665 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1666 req->offs = offset;
827 req->size = length; 1667 req->size = length;
828 1668
829 REQ_SEND; 1669 REQ_SEND;
830} 1670}
831 1671
832void 1672void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1673aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834 ALIAS: 1674 ALIAS:
835 aio_stat = EIO_STAT 1675 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1676 aio_lstat = EIO_LSTAT
1677 aio_statvfs = EIO_STATVFS
837 PPCODE: 1678 PPCODE:
838{ 1679{
839 dREQ; 1680 dREQ;
840 1681
841 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
842
843 if (SvPOK (req->sv1))
844 {
845 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 }
848 else
849 {
850 req->type = EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 }
853 1683
854 REQ_SEND; 1684 REQ_SEND;
855} 1685}
856 1686
857void 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
858aio_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)
859 PPCODE: 1739 PPCODE:
860{ 1740{
861 dREQ; 1741 dREQ;
862 1742
863 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1743 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1744 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_UTIME;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FUTIME;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1746
878 REQ_SEND; 1747 REQ_SEND;
879} 1748}
880 1749
881void 1750void
882aio_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)
883 PPCODE: 1752 PPCODE:
884{ 1753{
885 dREQ; 1754 dREQ;
886 1755
887 req->sv1 = newSVsv (fh_or_path);
888 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1756 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889 1757 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890 if (SvPOK (req->sv1))
891 {
892 req->type = EIO_TRUNCATE;
893 req->ptr1 = SvPVbyte_nolen (req->sv1);
894 }
895 else
896 {
897 req->type = EIO_FTRUNCATE;
898 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899 }
900 1758
901 REQ_SEND; 1759 REQ_SEND;
902} 1760}
903 1761
904void 1762void
905aio_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)
906 ALIAS:
907 aio_chmod = EIO_CHMOD
908 aio_mkdir = EIO_MKDIR
909 PPCODE: 1764 PPCODE:
910{ 1765{
911 dREQ; 1766 dREQ;
912 1767
913 req->int2 = mode; 1768 req->int2 = mode;
914 req->sv1 = newSVsv (fh_or_path); 1769 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916 if (SvPOK (req->sv1))
917 {
918 req->type = ix;
919 req->ptr1 = SvPVbyte_nolen (req->sv1);
920 }
921 else
922 {
923 req->type = EIO_FCHMOD;
924 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925 }
926 1770
927 REQ_SEND; 1771 REQ_SEND;
928} 1772}
929 1773
930void 1774void
931aio_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)
932 PPCODE: 1776 PPCODE:
933{ 1777{
934 dREQ; 1778 dREQ;
935 1779
936 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1780 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1781 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938 req->sv1 = newSVsv (fh_or_path); 1782 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940 if (SvPOK (req->sv1))
941 {
942 req->type = EIO_CHOWN;
943 req->ptr1 = SvPVbyte_nolen (req->sv1);
944 }
945 else
946 {
947 req->type = EIO_FCHOWN;
948 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949 }
950 1783
951 REQ_SEND; 1784 REQ_SEND;
952} 1785}
953 1786
954void 1787void
955aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1788aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956 PPCODE: 1789 PPCODE:
957{ 1790{
958 dREQ; 1791 dREQ;
959 1792
960 req->type = EIO_READDIR; 1793 req->type = EIO_READDIR;
961 req->sv1 = newSVsv (pathname);
962 req->ptr1 = SvPVbyte_nolen (req->sv1);
963 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1794 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964 1795
965 if (flags & EIO_READDIR_DENTS) 1796 if (flags & EIO_READDIR_DENTS)
966 req->int1 |= EIO_READDIR_CUSTOM2; 1797 req->int1 |= EIO_READDIR_CUSTOM2;
967 1798
1799 req_set_path1 (req, pathname);
1800
968 REQ_SEND; 1801 REQ_SEND;
969} 1802}
970 1803
971void 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
972aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1818aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973 ALIAS: 1819 ALIAS:
974 aio_unlink = EIO_UNLINK 1820 aio_unlink = EIO_UNLINK
975 aio_rmdir = EIO_RMDIR 1821 aio_rmdir = EIO_RMDIR
976 aio_readdir = EIO_READDIR 1822 aio_readdir = EIO_READDIR
977 PPCODE: 1823 PPCODE:
978{ 1824{
979 dREQ; 1825 dREQ;
980 1826
981 req->type = ix; 1827 req->type = ix;
982 req->sv1 = newSVsv (pathname); 1828 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 1829
985 REQ_SEND; 1830 REQ_SEND;
986} 1831}
987 1832
988void 1833void
989aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1834aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990 ALIAS: 1835 ALIAS:
991 aio_link = EIO_LINK 1836 aio_link = EIO_LINK
992 aio_symlink = EIO_SYMLINK 1837 aio_symlink = EIO_SYMLINK
993 aio_rename = EIO_RENAME 1838 aio_rename = EIO_RENAME
994 PPCODE: 1839 PPCODE:
995{ 1840{
1841 eio_wd wd2 = 0;
996 dREQ; 1842 dREQ;
997 1843
998 req->type = ix; 1844 req->type = ix;
999 req->sv1 = newSVsv (oldpath); 1845 req_set_path1 (req, oldpath);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1); 1846 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001 req->sv2 = newSVsv (newpath); 1847 req->int3 = (long)wd2;
1002 req->ptr2 = SvPVbyte_nolen (req->sv2);
1003 1848
1004 REQ_SEND; 1849 REQ_SEND;
1005} 1850}
1006 1851
1007void 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
1008aio_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)
1009 PPCODE: 1870 PPCODE:
1010{ 1871{
1011 dREQ; 1872 dREQ;
1012 1873
1013 req->type = EIO_MKNOD; 1874 req->type = EIO_MKNOD;
1014 req->sv1 = newSVsv (pathname);
1015 req->ptr1 = SvPVbyte_nolen (req->sv1);
1016 req->int2 = (mode_t)mode; 1875 req->int2 = (mode_t)mode;
1017 req->offs = dev; 1876 req->offs = dev;
1877 req_set_path1 (req, pathname);
1018 1878
1019 REQ_SEND; 1879 REQ_SEND;
1020} 1880}
1021 1881
1022void 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
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 2021aio_busy (double delay, SV *callback = &PL_sv_undef)
1024 PPCODE: 2022 PPCODE:
1025{ 2023{
1026 dREQ; 2024 dREQ;
1027 2025
1028 req->type = EIO_BUSY; 2026 req->type = EIO_BUSY;
… …
1030 2028
1031 REQ_SEND; 2029 REQ_SEND;
1032} 2030}
1033 2031
1034void 2032void
1035aio_group (SV *callback=&PL_sv_undef) 2033aio_group (SV *callback = &PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 2034 PPCODE:
1038{ 2035{
1039 dREQ; 2036 dREQ;
1040 2037
1041 req->type = EIO_GROUP; 2038 req->type = EIO_GROUP;
1042 2039
2040 PUTBACK;
1043 req_submit (req); 2041 req_submit (req);
2042 SPAGAIN;
2043
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2044 XPUSHs (req_sv (req, aio_grp_stash));
1045} 2045}
1046 2046
1047void 2047void
1048aio_nop (SV *callback=&PL_sv_undef) 2048aio_nop (SV *callback = &PL_sv_undef)
1049 ALIAS: 2049 ALIAS:
1050 aio_nop = EIO_NOP 2050 aio_nop = EIO_NOP
1051 aio_sync = EIO_SYNC 2051 aio_sync = EIO_SYNC
1052 PPCODE: 2052 PPCODE:
1053{ 2053{
… …
1057 2057
1058 REQ_SEND; 2058 REQ_SEND;
1059} 2059}
1060 2060
1061int 2061int
1062aioreq_pri (int pri = 0) 2062aioreq_pri (int pri = NO_INIT)
1063 PROTOTYPE: ;$
1064 CODE: 2063 CODE:
1065 RETVAL = next_pri; 2064 RETVAL = next_pri;
1066 if (items > 0) 2065 if (items > 0)
1067 { 2066 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2067 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2079 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 2080 next_pri = nice;
1082 2081
1083void 2082void
1084flush () 2083flush ()
1085 PROTOTYPE:
1086 CODE: 2084 CODE:
1087 while (eio_nreqs ()) 2085 while (eio_nreqs ())
1088 { 2086 {
1089 poll_wait (); 2087 poll_wait ();
1090 poll_cb (); 2088 poll_cb ();
1091 } 2089 }
1092 2090
1093int 2091int
1094poll() 2092poll ()
1095 PROTOTYPE:
1096 CODE: 2093 CODE:
1097 poll_wait (); 2094 poll_wait ();
1098 RETVAL = poll_cb (); 2095 RETVAL = poll_cb ();
1099 OUTPUT: 2096 OUTPUT:
1100 RETVAL 2097 RETVAL
1101 2098
1102int 2099int
1103poll_fileno() 2100poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 2101 CODE:
1106 RETVAL = respipe [0]; 2102 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 2103 OUTPUT:
1108 RETVAL 2104 RETVAL
1109 2105
1110int 2106int
1111poll_cb(...) 2107poll_cb (...)
1112 PROTOTYPE: 2108 PROTOTYPE:
1113 CODE: 2109 CODE:
1114 RETVAL = poll_cb (); 2110 RETVAL = poll_cb ();
1115 OUTPUT: 2111 OUTPUT:
1116 RETVAL 2112 RETVAL
1117 2113
1118void 2114void
1119poll_wait() 2115poll_wait ()
1120 PROTOTYPE:
1121 CODE: 2116 CODE:
1122 poll_wait (); 2117 poll_wait ();
1123 2118
1124int 2119int
1125nreqs() 2120nreqs ()
1126 PROTOTYPE:
1127 CODE: 2121 CODE:
1128 RETVAL = eio_nreqs (); 2122 RETVAL = eio_nreqs ();
1129 OUTPUT: 2123 OUTPUT:
1130 RETVAL 2124 RETVAL
1131 2125
1132int 2126int
1133nready() 2127nready ()
1134 PROTOTYPE:
1135 CODE: 2128 CODE:
1136 RETVAL = eio_nready (); 2129 RETVAL = eio_nready ();
1137 OUTPUT: 2130 OUTPUT:
1138 RETVAL 2131 RETVAL
1139 2132
1140int 2133int
1141npending() 2134npending ()
1142 PROTOTYPE:
1143 CODE: 2135 CODE:
1144 RETVAL = eio_npending (); 2136 RETVAL = eio_npending ();
1145 OUTPUT: 2137 OUTPUT:
1146 RETVAL 2138 RETVAL
1147 2139
1148int 2140int
1149nthreads() 2141nthreads ()
1150 PROTOTYPE:
1151 CODE: 2142 CODE:
1152 RETVAL = eio_nthreads (); 2143 RETVAL = eio_nthreads ();
1153 OUTPUT: 2144 OUTPUT:
1154 RETVAL 2145 RETVAL
1155 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
1156void _on_next_submit (SV *cb) 2507void _on_next_submit (SV *cb)
1157 CODE: 2508 CODE:
1158 SvREFCNT_dec (on_next_submit); 2509 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2510 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 2511
1161PROTOTYPES: DISABLE 2512PROTOTYPES: DISABLE
1162 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
1163MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2542MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164 2543
1165void 2544void
1166cancel (aio_req_ornot req) 2545cancel (aio_req_ornot req)
1167 CODE: 2546 CODE:
1168 eio_cancel (req); 2547 eio_cancel (req);
1169 2548
1170void 2549void
1171cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2550cb (aio_req_ornot req, SV *callback = NO_INIT)
1172 PPCODE: 2551 PPCODE:
1173{ 2552{
1174 if (GIMME_V != G_VOID) 2553 if (GIMME_V != G_VOID)
1175 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2554 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1176 2555
… …
1241limit (aio_req grp, int limit) 2620limit (aio_req grp, int limit)
1242 CODE: 2621 CODE:
1243 eio_grp_limit (grp, limit); 2622 eio_grp_limit (grp, limit);
1244 2623
1245void 2624void
1246feed (aio_req grp, SV *callback=&PL_sv_undef) 2625feed (aio_req grp, SV *callback = &PL_sv_undef)
1247 CODE: 2626 CODE:
1248{ 2627{
1249 SvREFCNT_dec (grp->sv2); 2628 SvREFCNT_dec (grp->sv2);
1250 grp->sv2 = newSVsv (callback); 2629 grp->sv2 = newSVsv (callback);
1251 grp->feed = aio_grp_feed; 2630 grp->feed = aio_grp_feed;

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