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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.166 by root, Sun May 9 20:43:28 2010 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 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"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 20#include <limits.h>
18#include <fcntl.h> 21#include <fcntl.h>
19#include <sched.h> 22#include <sched.h>
20 23
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 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
83#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
84 84
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 85#else
91# define VAL64 NV 86
92# define SvVAL64 SvNV 87 #include <sys/time.h>
93# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
94#endif 95#endif
95 96
96/*****************************************************************************/ 97/*****************************************************************************/
97 98
98#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
106 107
107/*****************************************************************************/ 108/*****************************************************************************/
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
109typedef SV SV8; /* byte-sv, used for argument-checking */ 168typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 169typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 170typedef int aio_wfd; /* write file descriptor */
112 171
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 173
115#define EIO_REQ_MEMBERS \ 174#define EIO_REQ_MEMBERS \
116 SV *callback; \ 175 SV *callback; \
117 SV *sv1, *sv2; \ 176 SV *sv1, *sv2; \
177 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 178 STRLEN stroffset; \
119 SV *self; 179 SV *self;
120 180
121#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
122 182
123#include "libeio/eio.h" 183#include "libeio/eio.h"
124 184
125#ifndef POSIX_FADV_NORMAL 185static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 186#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 187static void req_destroy (eio_req *grp);
128#endif 188#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 189
145#ifndef ST_NODEV 190#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 191
176#ifndef MCL_CURRENT 192#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 194#endif
179#ifndef MCL_FUTURE 195
180# define MCL_FUTURE 0 196#if !HAVE_POSIX_MADVISE
197# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 198#endif
182 199
183#ifndef MAP_ANONYMOUS 200#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 201# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 202# define MAP_ANONYMOUS MAP_ANON
186# else 203# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 205# endif
189#endif 206#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 207
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
206#ifndef PAGESIZE 220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 224# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 225#endif
209 226
210static int req_invoke (eio_req *req); 227/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 228
212static void req_destroy (eio_req *grp); 229#if !_POSIX_MAPPED_FILES
213#define EIO_DESTROY(req) req_destroy (req) 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 */
214 429
215enum { 430enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 432};
218 433
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 434typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
223 437
224static SV *on_next_submit; 438static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 440static int max_outstanding;
227 441
228static s_epipe respipe; 442static s_epipe respipe;
229 443
230static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
232 446
233static void want_poll (void) 447static void
448want_poll (void)
234{ 449{
235 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 451 s_epipe_signal (&respipe);
237} 452}
238 453
239static void done_poll (void) 454static void
455done_poll (void)
240{ 456{
241 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 458 s_epipe_drain (&respipe);
243} 459}
244 460
245/* must be called at most once */ 461/* must be called at most once */
462static SV *
246static SV *req_sv (aio_req req, HV *stash) 463req_sv (aio_req req, HV *stash)
247{ 464{
248 if (!req->self) 465 if (!req->self)
249 { 466 {
250 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 469 }
253 470
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 472}
256 473
257static 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)
258{ 482{
259 MAGIC *mg; 483 MAGIC *mg;
260 484
261 if (!SvROK (sv) 485 if (!SvROK (sv)
486 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 487 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 488 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 489 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 490 croak ("object of class IO::AIO::REQ expected");
266 491
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 493
269 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
270} 495}
271 496
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
272static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
273{ 535{
274 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
275 { 537 {
276 dSP; 538 dSP;
277 539
… …
285 FREETMPS; 547 FREETMPS;
286 LEAVE; 548 LEAVE;
287 } 549 }
288} 550}
289 551
552static void
290static void req_submit (eio_req *req) 553req_submit (eio_req *req)
291{ 554{
292 eio_submit (req); 555 eio_submit (req);
293 556
294 if (expect_false (on_next_submit)) 557 if (expect_false (on_next_submit))
295 { 558 {
… …
302 PUTBACK; 565 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
304 } 567 }
305} 568}
306 569
570static int
307static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
308{ 572{
309 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
310 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
311 575
312 if (!EIO_CANCELLED (req) && req->callback) 576 if (!EIO_CANCELLED (req) && req->callback)
… …
323 /* do not recreate the result IV from scratch each time */ 587 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 588 if (expect_true (sv_result_cache))
325 { 589 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 590 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 591 SvIV_set (sv_result, req->result);
592 SvIOK_only (sv_result);
328 } 593 }
329 else 594 else
330 { 595 {
331 sv_result = newSViv (req->result); 596 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 597 SvREADONLY_on (sv_result);
333 } 598 }
334 599
335 switch (req->type) 600 switch (req->type)
336 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
337 case EIO_READDIR: 606 case EIO_READDIR:
338 { 607 {
339 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
340 609
341 if (req->result >= 0) 610 if (req->result >= 0)
… …
394 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))));
395 } 664 }
396 break; 665 break;
397 666
398 case EIO_OPEN: 667 case EIO_OPEN:
399 { 668 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400 /* convert fd to fh */
401 SV *fh = &PL_sv_undef;
402
403 if (req->result >= 0)
404 {
405 GV *gv = (GV *)sv_newmortal ();
406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407 char sym [64];
408 int symlen;
409
410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411 gv_init (gv, aio_stash, sym, symlen, 0);
412
413 symlen = snprintf (
414 sym,
415 sizeof (sym),
416 "%s&=%d",
417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418 (int)req->result
419 );
420
421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422 fh = (SV *)gv;
423 }
424
425 PUSHs (fh);
426 }
427 break; 669 break;
428 670
429 case EIO_STATVFS: 671 case EIO_STATVFS:
430 case EIO_FSTATVFS: 672 case EIO_FSTATVFS:
431 { 673 {
432 SV *rv = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
433 675
676#ifndef _WIN32
434 if (req->result >= 0) 677 if (req->result >= 0)
435 { 678 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 HV *hv = newHV (); 680 HV *hv = newHV ();
681 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
682 * chooses to make it a struct.
683 */
684 unsigned long fsid = 0;
685 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438 686
439 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440 688
441 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 689 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 690 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
444 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 692 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 693 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 694 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 695 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 696 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 697 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 698 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 699 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452 } 700 }
701#endif
453 702
454 PUSHs (rv); 703 PUSHs (rv);
455 } 704 }
456 705
457 break; 706 break;
… …
473 case EIO_NOP: 722 case EIO_NOP:
474 case EIO_BUSY: 723 case EIO_BUSY:
475 break; 724 break;
476 725
477 case EIO_READLINK: 726 case EIO_READLINK:
727 case EIO_REALPATH:
478 if (req->result > 0) 728 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 729 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 730 break;
481 731
482 case EIO_STAT: 732 case EIO_STAT:
483 case EIO_LSTAT: 733 case EIO_LSTAT:
484 case EIO_FSTAT: 734 case EIO_FSTAT:
485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
486 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
740
488 PUSHs (sv_result); 741 PUSHs (sv_result);
742 break;
743
744 case EIO_SEEK:
745 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489 break; 746 break;
490 747
491 case EIO_READ: 748 case EIO_READ:
492 { 749 {
493 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));
… …
496 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 754 PUSHs (sv_result);
498 } 755 }
499 break; 756 break;
500 757
501 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#if 0
823 case EIO_CLOSE:
824 PerlIOUnix_refcnt_dec (req->int1);
825 break;
826#endif
827
828 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502 if (req->result > 0) 829 if (req->result > 0)
503 SvIV_set (sv_result, 0); 830 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 831 /* FALLTHROUGH */
505 832
506 default: 833 default:
… …
526 } 853 }
527 854
528 return !!SvTRUE (ERRSV); 855 return !!SvTRUE (ERRSV);
529} 856}
530 857
858static void
531static void req_destroy (aio_req req) 859req_destroy (aio_req req)
532{ 860{
533 if (req->self) 861 if (req->self)
534 { 862 {
535 sv_unmagic (req->self, PERL_MAGIC_ext); 863 sv_unmagic (req->self, PERL_MAGIC_ext);
536 SvREFCNT_dec (req->self); 864 SvREFCNT_dec (req->self);
537 } 865 }
538 866
539 SvREFCNT_dec (req->sv1); 867 SvREFCNT_dec (req->sv1);
540 SvREFCNT_dec (req->sv2); 868 SvREFCNT_dec (req->sv2);
869 SvREFCNT_dec (req->sv3);
870 SvREFCNT_dec (req->sv4);
541 SvREFCNT_dec (req->callback); 871 SvREFCNT_dec (req->callback);
542 872
543 Safefree (req); 873 free (req);
544} 874}
545 875
876static void
546static void req_cancel_subs (aio_req grp) 877req_cancel_subs (aio_req grp)
547{ 878{
548 aio_req sub;
549
550 if (grp->type != EIO_GROUP) 879 if (grp->type != EIO_GROUP)
551 return; 880 return;
552 881
553 SvREFCNT_dec (grp->sv2); 882 SvREFCNT_dec (grp->sv2);
554 grp->sv2 = 0; 883 grp->sv2 = 0;
555 884
556 eio_grp_cancel (grp); 885 eio_grp_cancel (grp);
557} 886}
558 887
559static void 888static void ecb_cold
560create_respipe (void) 889create_respipe (void)
561{ 890{
562 if (s_epipe_renew (&respipe)) 891 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 892 croak ("IO::AIO: unable to initialize result pipe");
564} 893}
565 894
566static void poll_wait (void) 895static void
896poll_wait (void)
567{ 897{
568 while (eio_nreqs ()) 898 while (eio_nreqs ())
569 { 899 {
570 int size; 900 int size;
571 901
572 X_LOCK (reslock); 902 X_LOCK (EIO_POOL->reslock);
573 size = res_queue.size; 903 size = EIO_POOL->res_queue.size;
574 X_UNLOCK (reslock); 904 X_UNLOCK (EIO_POOL->reslock);
575 905
576 if (size) 906 if (size)
577 return; 907 return;
578 908
579 etp_maybe_start_thread (); 909 etp_maybe_start_thread (EIO_POOL);
580 910
581 s_epipe_wait (&respipe); 911 s_epipe_wait (&respipe);
582 } 912 }
583} 913}
584 914
585static int poll_cb (void) 915static int
916poll_cb (void)
586{ 917{
587 for (;;) 918 for (;;)
588 { 919 {
589 int res = eio_poll (); 920 int res = eio_poll ();
590 921
… …
596 927
597 poll_wait (); 928 poll_wait ();
598 } 929 }
599} 930}
600 931
601static void atfork_child (void) 932static void ecb_cold
933reinit (void)
602{ 934{
603 create_respipe (); 935 create_respipe ();
604}
605 936
606/*****************************************************************************/ 937 if (eio_init (want_poll, done_poll) < 0)
607 938 croak ("IO::AIO: unable to initialise eio library");
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0;
628 SvOK_off (sv);
629
630 return 0;
631} 939}
632
633static MGVTBL mmap_vtbl = {
634 0, 0, 0, 0, mmap_free
635};
636 940
637/*****************************************************************************/ 941/*****************************************************************************/
638 942
639static SV * 943static SV *
640get_cb (SV *cb_sv) 944get_cb (SV *cb_sv)
641{ 945{
642 SvGETMAGIC (cb_sv); 946 SvGETMAGIC (cb_sv);
643 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 947 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644} 948}
645 949
950static aio_req ecb_noinline
951dreq (SV *callback)
952{
953 SV *cb_cv;
954 aio_req req;
955 int req_pri = next_pri;
956 next_pri = EIO_PRI_DEFAULT;
957
958 cb_cv = get_cb (callback);
959
960 req = calloc (sizeof (*req), 1);
961 if (!req)
962 croak ("out of memory during eio_req allocation");
963
964 req->callback = SvREFCNT_inc (cb_cv);
965 req->pri = req_pri;
966
967 return req;
968}
969
646#define dREQ \ 970#define dREQ \
647 SV *cb_cv; \ 971 aio_req req = dreq (callback); \
648 aio_req req; \
649 int req_pri = next_pri; \
650 next_pri = EIO_PRI_DEFAULT; \
651 \
652 cb_cv = get_cb (callback); \
653 \
654 Newz (0, req, 1, eio_req); \
655 if (!req) \
656 croak ("out of memory during eio_req allocation"); \
657 \
658 req->callback = SvREFCNT_inc (cb_cv); \
659 req->pri = req_pri
660 972
661#define REQ_SEND \ 973#define REQ_SEND \
662 PUTBACK; \ 974 PUTBACK; \
663 req_submit (req); \ 975 req_submit (req); \
664 SPAGAIN; \ 976 SPAGAIN; \
665 \ 977 \
666 if (GIMME_V != G_VOID) \ 978 if (GIMME_V != G_VOID) \
667 XPUSHs (req_sv (req, aio_req_stash)); 979 XPUSHs (req_sv (req, aio_req_stash));
668 980
981ecb_inline void
982req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
983{
984 if (expect_false (SvROK (path)))
985 {
986 SV *rv = SvRV (path);
987 SV *wdob;
988
989 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
990 {
991 path = AvARRAY (rv)[1];
992 wdob = AvARRAY (rv)[0];
993
994 if (SvOK (wdob))
995 {
996 *wd = SvAIO_WD (wdob);
997 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
998 }
999 else
1000 *wd = EIO_INVALID_WD;
1001 }
1002 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1003 {
1004 *wd = (aio_wd)(long)SvIVX (rv);
1005 *wdsv = SvREFCNT_inc_NN (rv);
1006 *ptr = ".";
1007 return; /* path set to "." */
1008 }
1009 else
1010 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1011 }
1012
1013 *pathsv = newSVsv (path);
1014 *ptr = SvPVbyte_nolen (*pathsv);
1015}
1016
1017static void ecb_noinline
1018req_set_path1 (aio_req req, SV *path)
1019{
1020 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1021}
1022
1023static void ecb_noinline
1024req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1025{
1026 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1027
1028 switch (SvTYPE (rv))
1029 {
1030 case SVt_PVIO:
1031 case SVt_PVLV:
1032 case SVt_PVGV:
1033 req->type = type_fh;
1034 req->sv1 = newSVsv (fh_or_path);
1035 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1036 break;
1037
1038 default:
1039 req->type = type_path;
1040 req_set_path1 (req, fh_or_path);
1041 break;
1042 }
1043}
1044
1045/*****************************************************************************/
1046
1047static void
1048ts_set (struct timespec *ts, NV value)
1049{
1050 ts->tv_sec = value;
1051 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1052}
1053
1054static NV
1055ts_get (const struct timespec *ts)
1056{
1057 return ts->tv_sec + ts->tv_nsec * 1e-9;
1058}
1059
1060/*****************************************************************************/
1061
1062XS(boot_IO__AIO) ecb_cold;
1063
669MODULE = IO::AIO PACKAGE = IO::AIO 1064MODULE = IO::AIO PACKAGE = IO::AIO
670 1065
671PROTOTYPES: ENABLE 1066PROTOTYPES: ENABLE
672 1067
673BOOT: 1068BOOT:
… …
677 IV iv; 1072 IV iv;
678 } *civ, const_iv[] = { 1073 } *civ, const_iv[] = {
679# define const_niv(name, value) { # name, (IV) value }, 1074# define const_niv(name, value) { # name, (IV) value },
680# define const_iv(name) { # name, (IV) name }, 1075# define const_iv(name) { # name, (IV) name },
681# define const_eio(name) { # name, (IV) EIO_ ## name }, 1076# define const_eio(name) { # name, (IV) EIO_ ## name },
1077
1078 /* you have to re-run ./gendef0 after adding/removing any constants here */
1079 /* the first block can be undef if missing */
1080 const_iv (ENOSYS)
682 const_iv (EXDEV) 1081 const_iv (EXDEV)
683 const_iv (ENOSYS) 1082 const_iv (EBADR)
1083
1084 /* for lseek */
1085 const_iv (SEEK_DATA)
1086 const_iv (SEEK_HOLE)
1087
1088 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1089 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1090 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1091 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1092 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1093 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1094
1095 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1096 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1097 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1098 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1099 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1100
1101 /* the second block will be 0 when missing */
1102 const_iv (O_ACCMODE)
1103
684 const_iv (O_RDONLY) 1104 const_iv (O_RDONLY)
685 const_iv (O_WRONLY) 1105 const_iv (O_WRONLY)
686 const_iv (O_RDWR) 1106 const_iv (O_RDWR)
687 const_iv (O_CREAT) 1107 const_iv (O_CREAT)
688 const_iv (O_TRUNC) 1108 const_iv (O_TRUNC)
689 const_iv (O_EXCL) 1109 const_iv (O_EXCL)
690 const_iv (O_APPEND) 1110 const_iv (O_APPEND)
691#ifndef _WIN32 1111
1112 const_iv (O_ASYNC)
1113 const_iv (O_DIRECT)
1114 const_iv (O_NOATIME)
1115
1116 const_iv (O_CLOEXEC)
1117 const_iv (O_NOCTTY)
1118 const_iv (O_NOFOLLOW)
1119 const_iv (O_NONBLOCK)
1120 const_iv (O_EXEC)
1121 const_iv (O_SEARCH)
1122 const_iv (O_DIRECTORY)
1123 const_iv (O_DSYNC)
1124 const_iv (O_RSYNC)
1125 const_iv (O_SYNC)
1126 const_iv (O_PATH)
1127 const_iv (O_TMPFILE)
1128 const_iv (O_TTY_INIT)
1129
692 const_iv (S_IFIFO) 1130 const_iv (S_IFIFO)
693#endif 1131 const_iv (S_IFCHR)
694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1132 const_iv (S_IFBLK)
695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1133 const_iv (S_IFLNK)
696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1134 const_iv (S_IFREG)
697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1135 const_iv (S_IFDIR)
698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1136 const_iv (S_IFWHT)
699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1137 const_iv (S_IFSOCK)
1138 const_iv (S_IFMT)
700 1139
701 const_iv (ST_RDONLY) 1140 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID) 1141 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV) 1142 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC) 1143 const_iv (ST_NOEXEC)
… …
709 const_iv (ST_IMMUTABLE) 1148 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME) 1149 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME) 1150 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME) 1151 const_iv (ST_RELATIME)
713 1152
1153 const_iv (PROT_NONE)
714 const_iv (PROT_EXEC) 1154 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ) 1155 const_iv (PROT_READ)
717 const_iv (PROT_WRITE) 1156 const_iv (PROT_WRITE)
718 1157
719 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE) 1158 const_iv (MAP_PRIVATE)
721 const_iv (MAP_SHARED) 1159 const_iv (MAP_SHARED)
1160 const_iv (MAP_FIXED)
722 const_iv (MAP_ANONYMOUS) 1161 const_iv (MAP_ANONYMOUS)
723 1162
724 /* linuxish */ 1163 /* linuxish */
725 const_iv (MAP_HUGETLB)
726 const_iv (MAP_LOCKED) 1164 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE) 1165 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE) 1166 const_iv (MAP_POPULATE)
729 const_iv (MAP_NONBLOCK) 1167 const_iv (MAP_NONBLOCK)
1168 const_iv (MAP_GROWSDOWN)
1169 const_iv (MAP_32BIT)
1170 const_iv (MAP_HUGETLB)
1171 const_iv (MAP_STACK)
730 1172
1173 const_iv (MREMAP_MAYMOVE)
1174 const_iv (MREMAP_FIXED)
1175
1176 const_iv (F_DUPFD_CLOEXEC)
1177
1178 const_iv (MSG_CMSG_CLOEXEC)
1179 const_iv (SOCK_CLOEXEC)
1180
1181 const_iv (F_OFD_GETLK)
1182 const_iv (F_OFD_SETLK)
1183 const_iv (F_OFD_GETLKW)
1184
1185 const_iv (FIFREEZE)
1186 const_iv (FITHAW)
1187 const_iv (FITRIM)
1188 const_iv (FICLONE)
1189 const_iv (FICLONERANGE)
1190 const_iv (FIDEDUPERANGE)
1191
1192 const_iv (FS_IOC_GETFLAGS)
1193 const_iv (FS_IOC_SETFLAGS)
1194 const_iv (FS_IOC_GETVERSION)
1195 const_iv (FS_IOC_SETVERSION)
1196 const_iv (FS_IOC_FIEMAP)
1197 const_iv (FS_IOC_FSGETXATTR)
1198 const_iv (FS_IOC_FSSETXATTR)
1199 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1200 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1201 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1202
1203 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1204
1205 const_iv (FS_SECRM_FL)
1206 const_iv (FS_UNRM_FL)
1207 const_iv (FS_COMPR_FL)
1208 const_iv (FS_SYNC_FL)
1209 const_iv (FS_IMMUTABLE_FL)
1210 const_iv (FS_APPEND_FL)
1211 const_iv (FS_NODUMP_FL)
1212 const_iv (FS_NOATIME_FL)
1213 const_iv (FS_DIRTY_FL)
1214 const_iv (FS_COMPRBLK_FL)
1215 const_iv (FS_NOCOMP_FL)
1216 const_iv (FS_ENCRYPT_FL)
1217 const_iv (FS_BTREE_FL)
1218 const_iv (FS_INDEX_FL)
1219 const_iv (FS_JOURNAL_DATA_FL)
1220 const_iv (FS_NOTAIL_FL)
1221 const_iv (FS_DIRSYNC_FL)
1222 const_iv (FS_TOPDIR_FL)
1223 const_iv (FS_FL_USER_MODIFIABLE)
1224
1225 const_iv (FS_XFLAG_REALTIME)
1226 const_iv (FS_XFLAG_PREALLOC)
1227 const_iv (FS_XFLAG_IMMUTABLE)
1228 const_iv (FS_XFLAG_APPEND)
1229 const_iv (FS_XFLAG_SYNC)
1230 const_iv (FS_XFLAG_NOATIME)
1231 const_iv (FS_XFLAG_NODUMP)
1232 const_iv (FS_XFLAG_RTINHERIT)
1233 const_iv (FS_XFLAG_PROJINHERIT)
1234 const_iv (FS_XFLAG_NOSYMLINKS)
1235 const_iv (FS_XFLAG_EXTSIZE)
1236 const_iv (FS_XFLAG_EXTSZINHERIT)
1237 const_iv (FS_XFLAG_NODEFRAG)
1238 const_iv (FS_XFLAG_FILESTREAM)
1239 const_iv (FS_XFLAG_DAX)
1240 const_iv (FS_XFLAG_HASATTR)
1241
1242 const_iv (FIEMAP_FLAG_SYNC)
1243 const_iv (FIEMAP_FLAG_XATTR)
1244 const_iv (FIEMAP_FLAGS_COMPAT)
1245 const_iv (FIEMAP_EXTENT_LAST)
1246 const_iv (FIEMAP_EXTENT_UNKNOWN)
1247 const_iv (FIEMAP_EXTENT_DELALLOC)
1248 const_iv (FIEMAP_EXTENT_ENCODED)
1249 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1250 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1251 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1252 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1253 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1254 const_iv (FIEMAP_EXTENT_MERGED)
1255 const_iv (FIEMAP_EXTENT_SHARED)
1256
1257 const_iv (SPLICE_F_MOVE)
1258 const_iv (SPLICE_F_NONBLOCK)
1259 const_iv (SPLICE_F_MORE)
1260 const_iv (SPLICE_F_GIFT)
1261
1262 const_iv (EFD_CLOEXEC)
1263 const_iv (EFD_NONBLOCK)
1264 const_iv (EFD_SEMAPHORE)
1265
1266 const_iv (CLOCK_REALTIME)
1267 const_iv (CLOCK_MONOTONIC)
1268 const_iv (CLOCK_BOOTTIME)
1269 const_iv (CLOCK_REALTIME_ALARM)
1270 const_iv (CLOCK_BOOTTIME_ALARM)
1271
1272 const_iv (TFD_NONBLOCK)
1273 const_iv (TFD_CLOEXEC)
1274
1275 const_iv (TFD_TIMER_ABSTIME)
1276 const_iv (TFD_TIMER_CANCEL_ON_SET)
1277
1278 /* these are libeio constants, and are independent of gendef0 */
1279 const_eio (SEEK_SET)
1280 const_eio (SEEK_CUR)
1281 const_eio (SEEK_END)
1282
731 const_iv (MCL_FUTURE) 1283 const_eio (MCL_FUTURE)
732 const_iv (MCL_CURRENT) 1284 const_eio (MCL_CURRENT)
1285 const_eio (MCL_ONFAULT)
733 1286
734 const_eio (MS_ASYNC) 1287 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE) 1288 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC) 1289 const_eio (MS_SYNC)
737 1290
738 const_eio (MT_MODIFY) 1291 const_eio (MT_MODIFY)
739 1292
740 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1293 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741 const_eio (SYNC_FILE_RANGE_WRITE) 1294 const_eio (SYNC_FILE_RANGE_WRITE)
742 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1295 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1296
1297 const_eio (FALLOC_FL_KEEP_SIZE)
1298 const_eio (FALLOC_FL_PUNCH_HOLE)
1299 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1300 const_eio (FALLOC_FL_ZERO_RANGE)
1301 const_eio (FALLOC_FL_INSERT_RANGE)
1302 const_eio (FALLOC_FL_UNSHARE_RANGE)
1303
1304 const_eio (RENAME_NOREPLACE)
1305 const_eio (RENAME_EXCHANGE)
1306 const_eio (RENAME_WHITEOUT)
743 1307
744 const_eio (READDIR_DENTS) 1308 const_eio (READDIR_DENTS)
745 const_eio (READDIR_DIRS_FIRST) 1309 const_eio (READDIR_DIRS_FIRST)
746 const_eio (READDIR_STAT_ORDER) 1310 const_eio (READDIR_STAT_ORDER)
747 const_eio (READDIR_FOUND_UNKNOWN) 1311 const_eio (READDIR_FOUND_UNKNOWN)
… …
758 }; 1322 };
759 1323
760 aio_stash = gv_stashpv ("IO::AIO" , 1); 1324 aio_stash = gv_stashpv ("IO::AIO" , 1);
761 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1325 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1326 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1327 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763 1328
764 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1329 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1330 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766 1331
767 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1332 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768 1333
769 create_respipe (); 1334 /* allocate dummy pipe fd for aio_close */
1335 {
1336 int pipefd [2];
770 1337
771 if (eio_init (want_poll, done_poll) < 0) 1338 if (
772 croak ("IO::AIO: unable to initialise eio library"); 1339#ifdef _WIN32
1340 _pipe (pipefd, 1, _O_BINARY) < 0
1341#else
1342 pipe (pipefd) < 0
1343 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1344#endif
1345 || close (pipefd [1]) < 0
1346 )
1347 croak ("IO::AIO: unable to create dummy pipe for aio_close");
773 1348
774 /* atfork child called in fifo order, so before eio's handler */ 1349 close_fd = pipefd [0];
775 X_THREAD_ATFORK (0, 0, atfork_child); 1350 }
776}
777 1351
1352 reinit ();
1353}
1354
778void 1355void
1356reinit ()
1357 PROTOTYPE:
1358
1359void
779max_poll_reqs (int nreqs) 1360max_poll_reqs (unsigned int nreqs)
780 PROTOTYPE: $ 1361 PROTOTYPE: $
781 CODE: 1362 CODE:
782 eio_set_max_poll_reqs (nreqs); 1363 eio_set_max_poll_reqs (nreqs);
783 1364
784void 1365void
… …
786 PROTOTYPE: $ 1367 PROTOTYPE: $
787 CODE: 1368 CODE:
788 eio_set_max_poll_time (nseconds); 1369 eio_set_max_poll_time (nseconds);
789 1370
790void 1371void
791min_parallel (int nthreads) 1372min_parallel (unsigned int nthreads)
792 PROTOTYPE: $ 1373 PROTOTYPE: $
793 CODE: 1374 CODE:
794 eio_set_min_parallel (nthreads); 1375 eio_set_min_parallel (nthreads);
795 1376
796void 1377void
797max_parallel (int nthreads) 1378max_parallel (unsigned int nthreads)
798 PROTOTYPE: $ 1379 PROTOTYPE: $
799 CODE: 1380 CODE:
800 eio_set_max_parallel (nthreads); 1381 eio_set_max_parallel (nthreads);
801 1382
802void 1383void
803max_idle (int nthreads) 1384max_idle (unsigned int nthreads)
804 PROTOTYPE: $ 1385 PROTOTYPE: $
805 CODE: 1386 CODE:
806 eio_set_max_idle (nthreads); 1387 eio_set_max_idle (nthreads);
807 1388
808void 1389void
1390idle_timeout (unsigned int seconds)
1391 PROTOTYPE: $
1392 CODE:
1393 eio_set_idle_timeout (seconds);
1394
1395void
809max_outstanding (int maxreqs) 1396max_outstanding (unsigned int maxreqs)
810 PROTOTYPE: $ 1397 PROTOTYPE: $
811 CODE: 1398 CODE:
812 max_outstanding = maxreqs; 1399 max_outstanding = maxreqs;
813 1400
814void 1401void
815aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1402aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816 PROTOTYPE: $$$;$
817 PPCODE: 1403 PPCODE:
818{ 1404{
819 dREQ; 1405 dREQ;
820 1406
1407 req->type = EIO_WD_OPEN;
1408 req_set_path1 (req, pathname);
1409
1410 REQ_SEND;
1411}
1412
1413void
1414aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1415 PPCODE:
1416{
1417 dREQ;
1418
821 req->type = EIO_OPEN; 1419 req->type = EIO_OPEN;
822 req->sv1 = newSVsv (pathname); 1420 req_set_path1 (req, pathname);
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 req->int1 = flags; 1421 req->int1 = flags;
825 req->int2 = mode; 1422 req->int2 = mode;
826 1423
827 REQ_SEND; 1424 REQ_SEND;
828} 1425}
829 1426
830void 1427void
831aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1428aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832 PROTOTYPE: $;$
833 ALIAS: 1429 ALIAS:
834 aio_fsync = EIO_FSYNC 1430 aio_fsync = EIO_FSYNC
835 aio_fdatasync = EIO_FDATASYNC 1431 aio_fdatasync = EIO_FDATASYNC
1432 aio_syncfs = EIO_SYNCFS
836 PPCODE: 1433 PPCODE:
837{ 1434{
838 int fd = s_fileno_croak (fh, 0); 1435 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1436 dREQ;
840 1437
841 req->type = ix; 1438 req->type = ix;
842 req->sv1 = newSVsv (fh); 1439 req->sv1 = newSVsv (fh);
843 req->int1 = fd; 1440 req->int1 = fd;
844 1441
845 REQ_SEND (req); 1442 REQ_SEND;
846} 1443}
847 1444
848void 1445void
849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1446aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$$;$
851 PPCODE: 1447 PPCODE:
852{ 1448{
853 int fd = s_fileno_croak (fh, 0); 1449 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1450 dREQ;
855 1451
856 req->type = EIO_SYNC_FILE_RANGE; 1452 req->type = EIO_SYNC_FILE_RANGE;
857 req->sv1 = newSVsv (fh); 1453 req->sv1 = newSVsv (fh);
858 req->int1 = fd; 1454 req->int1 = fd;
859 req->offs = offset; 1455 req->offs = offset;
860 req->size = nbytes; 1456 req->size = nbytes;
861 req->int2 = flags; 1457 req->int2 = flags;
862 1458
863 REQ_SEND (req); 1459 REQ_SEND;
864} 1460}
865 1461
866void 1462void
867aio_close (SV *fh, SV *callback=&PL_sv_undef) 1463aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
868 PROTOTYPE: $;$
869 PPCODE: 1464 PPCODE:
870{ 1465{
871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872 int fd = s_fileno_croak (fh, 0); 1466 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1467 dREQ;
874 1468
875 if (close_pipe < 0) 1469 req->type = EIO_FALLOCATE;
1470 req->sv1 = newSVsv (fh);
1471 req->int1 = fd;
1472 req->int2 = mode;
1473 req->offs = offset;
1474 req->size = len;
1475
1476 REQ_SEND;
1477}
1478
1479void
1480aio_close (SV *fh, SV *callback = &PL_sv_undef)
1481 PPCODE:
1482{
1483 int fd = s_fileno_croak (fh, 0);
1484 dREQ;
1485#if 0
1486 /* partially duplicate logic in s_fileno */
1487 SvGETMAGIC (fh);
1488
1489 if (SvROK (fh))
1490 {
1491 fh = SvRV (fh);
1492 SvGETMAGIC (fh);
1493 }
1494
1495 if (SvTYPE (fh) == SVt_PVGV)
876 { 1496 {
877 int pipefd [2]; 1497 /* perl filehandle */
1498 PerlIOUnix_refcnt_inc (fd);
1499 do_close ((GV *)fh, 1);
878 1500
879 if (pipe (pipefd) < 0 1501 req->type = EIO_CLOSE;
880 || close (pipefd [1]) < 0 1502 req->int1 = fd;
881 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1503 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
882 abort (); /*D*/
883
884 close_pipe = pipefd [0];
885 } 1504 }
886 1505 else
1506#endif
1507 {
1508 /* fd number */
887 req->type = EIO_DUP2; 1509 req->type = EIO_DUP2;
888 req->int1 = close_pipe; 1510 req->int1 = close_fd;
1511 req->sv2 = newSVsv (fh);
1512 req->int2 = fd;
1513 }
1514
1515 REQ_SEND;
1516}
1517
1518void
1519aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1520 PPCODE:
1521{
1522 int fd = s_fileno_croak (fh, 0);
1523 dREQ;
1524
1525 req->type = EIO_SEEK;
889 req->sv2 = newSVsv (fh); 1526 req->sv1 = newSVsv (fh);
890 req->int2 = fd; 1527 req->int1 = fd;
1528 req->offs = SvVAL64 (offset);
1529 req->int2 = whence;
891 1530
892 REQ_SEND (req); 1531 REQ_SEND;
893} 1532}
894 1533
895void 1534void
896aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1535aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
897 ALIAS: 1536 ALIAS:
898 aio_read = EIO_READ 1537 aio_read = EIO_READ
899 aio_write = EIO_WRITE 1538 aio_write = EIO_WRITE
900 PROTOTYPE: $$$$$;$
901 PPCODE: 1539 PPCODE:
902{ 1540{
903 STRLEN svlen; 1541 STRLEN svlen;
904 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1542 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905 char *svptr = SvPVbyte (data, svlen); 1543 char *svptr = SvPVbyte (data, svlen);
… …
918 len = svlen - dataoffset; 1556 len = svlen - dataoffset;
919 } 1557 }
920 else 1558 else
921 { 1559 {
922 /* read: check type and grow scalar as necessary */ 1560 /* read: check type and grow scalar as necessary */
923 SvUPGRADE (data, SVt_PV); 1561 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924 svptr = SvGROW (data, len + dataoffset + 1); 1562 svptr = sv_grow (data, len + dataoffset + 1);
1563 else if (SvCUR (data) < len + dataoffset)
1564 croak ("length + dataoffset outside of scalar, and cannot grow");
925 } 1565 }
926 1566
927 { 1567 {
928 dREQ; 1568 dREQ;
929 1569
… …
945 REQ_SEND; 1585 REQ_SEND;
946 } 1586 }
947} 1587}
948 1588
949void 1589void
950aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1590aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
951 PROTOTYPE: $$;$ 1591 ALIAS:
1592 aio_ioctl = EIO_IOCTL
1593 aio_fcntl = EIO_FCNTL
952 PPCODE: 1594 PPCODE:
953{ 1595{
954 SV *data; 1596 int fd = s_fileno_croak (fh, 0);
1597 char *svptr;
1598
1599 if (SvPOK (arg) || !SvNIOK (arg))
1600 {
1601 STRLEN svlen;
1602 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1603#ifdef IOCPARM_LEN
1604 STRLEN need = IOCPARM_LEN (request);
1605#else
1606 STRLEN need = 256;
1607#endif
1608
1609 if (svlen < need)
1610 svptr = SvGROW (arg, need);
1611 }
1612 else
1613 svptr = (char *)SvIV (arg);
1614
1615 {
1616 dREQ;
1617
1618 req->type = ix;
1619 req->sv1 = newSVsv (fh);
1620 req->int1 = fd;
1621 req->int2 = (long)request;
1622 req->sv2 = SvREFCNT_inc (arg);
1623 req->ptr2 = svptr;
1624
1625 REQ_SEND;
1626 }
1627}
1628
1629void
1630aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1631 ALIAS:
1632 aio_readlink = EIO_READLINK
1633 aio_realpath = EIO_REALPATH
1634 PPCODE:
1635{
955 dREQ; 1636 dREQ;
956 1637
957 req->type = EIO_READLINK; 1638 req->type = ix;
958 req->sv1 = newSVsv (path); 1639 req_set_path1 (req, pathname);
959 req->ptr1 = SvPVbyte_nolen (req->sv1);
960 1640
961 REQ_SEND; 1641 REQ_SEND;
962} 1642}
963 1643
964void 1644void
965aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1645aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
966 PROTOTYPE: $$$$;$
967 PPCODE: 1646 PPCODE:
968{ 1647{
969 int ifd = s_fileno_croak (in_fh , 0); 1648 int ifd = s_fileno_croak (in_fh , 0);
970 int ofd = s_fileno_croak (out_fh, 1); 1649 int ofd = s_fileno_croak (out_fh, 1);
971 dREQ; 1650 dREQ;
972 1651
973 req->type = EIO_SENDFILE; 1652 req->type = EIO_SENDFILE;
974 req->sv1 = newSVsv (out_fh); 1653 req->sv1 = newSVsv (out_fh);
975 req->int1 = ofd; 1654 req->int1 = ofd;
… …
980 1659
981 REQ_SEND; 1660 REQ_SEND;
982} 1661}
983 1662
984void 1663void
985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1664aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986 PROTOTYPE: $$$;$
987 PPCODE: 1665 PPCODE:
988{ 1666{
989 int fd = s_fileno_croak (fh, 0); 1667 int fd = s_fileno_croak (fh, 0);
990 dREQ; 1668 dREQ;
991 1669
992 req->type = EIO_READAHEAD; 1670 req->type = EIO_READAHEAD;
993 req->sv1 = newSVsv (fh); 1671 req->sv1 = newSVsv (fh);
994 req->int1 = fd; 1672 req->int1 = fd;
… …
997 1675
998 REQ_SEND; 1676 REQ_SEND;
999} 1677}
1000 1678
1001void 1679void
1002aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1680aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003 ALIAS: 1681 ALIAS:
1004 aio_stat = EIO_STAT 1682 aio_stat = EIO_STAT
1005 aio_lstat = EIO_LSTAT 1683 aio_lstat = EIO_LSTAT
1006 aio_statvfs = EIO_STATVFS 1684 aio_statvfs = EIO_STATVFS
1007 PPCODE: 1685 PPCODE:
1008{ 1686{
1009 dREQ; 1687 dREQ;
1010 1688
1011 req->sv1 = newSVsv (fh_or_path); 1689 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013 if (SvPOK (req->sv1))
1014 {
1015 req->type = ix;
1016 req->ptr1 = SvPVbyte_nolen (req->sv1);
1017 }
1018 else
1019 {
1020 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022 }
1023 1690
1024 REQ_SEND; 1691 REQ_SEND;
1025} 1692}
1026 1693
1027void 1694void
1695st_xtime ()
1696 ALIAS:
1697 st_atime = 0x01
1698 st_mtime = 0x02
1699 st_ctime = 0x04
1700 st_btime = 0x08
1701 st_xtime = 0x0f
1702 PPCODE:
1703 EXTEND (SP, 4);
1704 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1705 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1706 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1707 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1708
1709void
1710st_xtimensec ()
1711 ALIAS:
1712 st_atimensec = 0x01
1713 st_mtimensec = 0x02
1714 st_ctimensec = 0x04
1715 st_btimensec = 0x08
1716 st_xtimensec = 0x0f
1717 st_btimesec = 0x10
1718 st_gen = 0x20
1719 PPCODE:
1720 EXTEND (SP, 4);
1721 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1722 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1723 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1724 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1725 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1726 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1727
1728UV
1729major (UV dev)
1730 ALIAS:
1731 minor = 1
1732 CODE:
1733 RETVAL = ix ? minor (dev) : major (dev);
1734 OUTPUT:
1735 RETVAL
1736
1737UV
1738makedev (UV maj, UV min)
1739 CODE:
1740 RETVAL = makedev (maj, min);
1741 OUTPUT:
1742 RETVAL
1743
1744void
1028aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1745aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1029 PPCODE: 1746 PPCODE:
1030{ 1747{
1031 dREQ; 1748 dREQ;
1032 1749
1033 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1750 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1751 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035 req->sv1 = newSVsv (fh_or_path); 1752 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037 if (SvPOK (req->sv1))
1038 {
1039 req->type = EIO_UTIME;
1040 req->ptr1 = SvPVbyte_nolen (req->sv1);
1041 }
1042 else
1043 {
1044 req->type = EIO_FUTIME;
1045 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046 }
1047 1753
1048 REQ_SEND; 1754 REQ_SEND;
1049} 1755}
1050 1756
1051void 1757void
1052aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1758aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1053 PPCODE: 1759 PPCODE:
1054{ 1760{
1055 dREQ; 1761 dREQ;
1056 1762
1057 req->sv1 = newSVsv (fh_or_path);
1058 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1763 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059 1764 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060 if (SvPOK (req->sv1))
1061 {
1062 req->type = EIO_TRUNCATE;
1063 req->ptr1 = SvPVbyte_nolen (req->sv1);
1064 }
1065 else
1066 {
1067 req->type = EIO_FTRUNCATE;
1068 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069 }
1070 1765
1071 REQ_SEND; 1766 REQ_SEND;
1072} 1767}
1073 1768
1074void 1769void
1075aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1770aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1076 ALIAS:
1077 aio_chmod = EIO_CHMOD
1078 aio_mkdir = EIO_MKDIR
1079 PPCODE: 1771 PPCODE:
1080{ 1772{
1081 dREQ; 1773 dREQ;
1082 1774
1083 req->int2 = mode; 1775 req->int2 = mode;
1084 req->sv1 = newSVsv (fh_or_path); 1776 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = ix;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FCHMOD;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1777
1097 REQ_SEND; 1778 REQ_SEND;
1098} 1779}
1099 1780
1100void 1781void
1101aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1782aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1102 PPCODE: 1783 PPCODE:
1103{ 1784{
1104 dREQ; 1785 dREQ;
1105 1786
1106 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1787 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1788 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108 req->sv1 = newSVsv (fh_or_path); 1789 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110 if (SvPOK (req->sv1))
1111 {
1112 req->type = EIO_CHOWN;
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 }
1115 else
1116 {
1117 req->type = EIO_FCHOWN;
1118 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119 }
1120 1790
1121 REQ_SEND; 1791 REQ_SEND;
1122} 1792}
1123 1793
1124void 1794void
1125aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1795aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126 PPCODE: 1796 PPCODE:
1127{ 1797{
1128 dREQ; 1798 dREQ;
1129 1799
1130 req->type = EIO_READDIR; 1800 req->type = EIO_READDIR;
1131 req->sv1 = newSVsv (pathname);
1132 req->ptr1 = SvPVbyte_nolen (req->sv1);
1133 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1801 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134 1802
1135 if (flags & EIO_READDIR_DENTS) 1803 if (flags & EIO_READDIR_DENTS)
1136 req->int1 |= EIO_READDIR_CUSTOM2; 1804 req->int1 |= EIO_READDIR_CUSTOM2;
1137 1805
1806 req_set_path1 (req, pathname);
1807
1138 REQ_SEND; 1808 REQ_SEND;
1139} 1809}
1140 1810
1141void 1811void
1812aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1813 PPCODE:
1814{
1815 dREQ;
1816
1817 req->type = EIO_MKDIR;
1818 req->int2 = mode;
1819 req_set_path1 (req, pathname);
1820
1821 REQ_SEND;
1822}
1823
1824void
1142aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1825aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143 ALIAS: 1826 ALIAS:
1144 aio_unlink = EIO_UNLINK 1827 aio_unlink = EIO_UNLINK
1145 aio_rmdir = EIO_RMDIR 1828 aio_rmdir = EIO_RMDIR
1146 aio_readdir = EIO_READDIR 1829 aio_readdir = EIO_READDIR
1147 PPCODE: 1830 PPCODE:
1148{ 1831{
1149 dREQ; 1832 dREQ;
1150 1833
1151 req->type = ix; 1834 req->type = ix;
1152 req->sv1 = newSVsv (pathname); 1835 req_set_path1 (req, pathname);
1153 req->ptr1 = SvPVbyte_nolen (req->sv1);
1154 1836
1155 REQ_SEND; 1837 REQ_SEND;
1156} 1838}
1157 1839
1158void 1840void
1159aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1841aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160 ALIAS: 1842 ALIAS:
1161 aio_link = EIO_LINK 1843 aio_link = EIO_LINK
1162 aio_symlink = EIO_SYMLINK 1844 aio_symlink = EIO_SYMLINK
1163 aio_rename = EIO_RENAME 1845 aio_rename = EIO_RENAME
1164 PPCODE: 1846 PPCODE:
1165{ 1847{
1848 eio_wd wd2 = 0;
1166 dREQ; 1849 dREQ;
1167 1850
1168 req->type = ix; 1851 req->type = ix;
1169 req->sv1 = newSVsv (oldpath); 1852 req_set_path1 (req, oldpath);
1170 req->ptr1 = SvPVbyte_nolen (req->sv1); 1853 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171 req->sv2 = newSVsv (newpath); 1854 req->int3 = (long)wd2;
1172 req->ptr2 = SvPVbyte_nolen (req->sv2);
1173 1855
1174 REQ_SEND; 1856 REQ_SEND;
1175} 1857}
1176 1858
1177void 1859void
1860aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1861 PPCODE:
1862{
1863 eio_wd wd2 = 0;
1864 dREQ;
1865
1866 req->type = EIO_RENAME;
1867 req_set_path1 (req, oldpath);
1868 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1869 req->int2 = flags;
1870 req->int3 = (long)wd2;
1871
1872 REQ_SEND;
1873}
1874
1875void
1178aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1876aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1179 PPCODE: 1877 PPCODE:
1180{ 1878{
1181 dREQ; 1879 dREQ;
1182 1880
1183 req->type = EIO_MKNOD; 1881 req->type = EIO_MKNOD;
1184 req->sv1 = newSVsv (pathname);
1185 req->ptr1 = SvPVbyte_nolen (req->sv1);
1186 req->int2 = (mode_t)mode; 1882 req->int2 = (mode_t)mode;
1187 req->offs = dev; 1883 req->offs = dev;
1884 req_set_path1 (req, pathname);
1188 1885
1189 REQ_SEND; 1886 REQ_SEND;
1190} 1887}
1191 1888
1192void 1889void
1193aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1890aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1194 ALIAS: 1891 ALIAS:
1195 aio_mtouch = EIO_MTOUCH 1892 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC 1893 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE: 1894 PPCODE:
1199{ 1895{
1200 STRLEN svlen; 1896 STRLEN svlen;
1897 char *svptr = SvPVbyte (data, svlen);
1201 UV len = SvUV (length); 1898 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen); 1899
1900 if (flags < 0)
1901 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1203 1902
1204 if (offset < 0) 1903 if (offset < 0)
1205 offset += svlen; 1904 offset += svlen;
1206 1905
1207 if (offset < 0 || offset > svlen) 1906 if (offset < 0 || offset > svlen)
… …
1212 1911
1213 { 1912 {
1214 dREQ; 1913 dREQ;
1215 1914
1216 req->type = ix; 1915 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data); 1916 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset; 1917 req->ptr2 = (char *)svptr + offset;
1918 req->size = len;
1220 req->int1 = flags; 1919 req->int1 = flags;
1221 1920
1222 REQ_SEND; 1921 REQ_SEND;
1223 } 1922 }
1224} 1923}
1225 1924
1226void 1925void
1926aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1927 PPCODE:
1928{
1929 STRLEN svlen;
1930 char *svptr = SvPVbyte (data, svlen);
1931 UV len = SvUV (length);
1932
1933 if (offset < 0)
1934 offset += svlen;
1935
1936 if (offset < 0 || offset > svlen)
1937 croak ("offset outside of scalar");
1938
1939 if (!SvOK (length) || len + offset > svlen)
1940 len = svlen - offset;
1941
1942 {
1943 dREQ;
1944
1945 req->type = EIO_MLOCK;
1946 req->sv2 = SvREFCNT_inc (data);
1947 req->ptr2 = (char *)svptr + offset;
1948 req->size = len;
1949
1950 REQ_SEND;
1951 }
1952}
1953
1954void
1955aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1956 PPCODE:
1957{
1958 dREQ;
1959
1960 req->type = EIO_MLOCKALL;
1961 req->int1 = flags;
1962
1963 REQ_SEND;
1964}
1965
1966void
1967aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1968 PPCODE:
1969{
1970 int fd = s_fileno_croak (fh, 0);
1971 dREQ;
1972
1973 req->type = EIO_CUSTOM;
1974 req->sv1 = newSVsv (fh);
1975 req->int1 = fd;
1976
1977 req->feed = fiemap;
1978#if HAVE_FIEMAP
1979 /* keep our fingers crossed that the next two types are 64 bit */
1980 req->offs = start;
1981 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1982 req->int2 = flags;
1983 req->int3 = SvOK (count) ? SvIV (count) : -1;
1984#endif
1985
1986 REQ_SEND;
1987}
1988
1989void
1990aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1991 PPCODE:
1992{
1993 char *svptr = 0;
1994
1995 sv_clear_foreign (data);
1996
1997 if (length) /* known length, directly read into scalar */
1998 {
1999 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2000 svptr = sv_grow (data, length + 1);
2001 else if (SvCUR (data) < length)
2002 croak ("length outside of scalar, and cannot grow");
2003 else
2004 svptr = SvPVbyte_nolen (data);
2005 }
2006
2007 {
2008 dREQ;
2009
2010 req->type = EIO_SLURP;
2011 req_set_path1 (req, pathname);
2012 req->offs = offset;
2013 req->size = length;
2014 req->sv2 = SvREFCNT_inc (data);
2015 req->ptr2 = svptr;
2016
2017 if (!SvREADONLY (data))
2018 {
2019 SvREADONLY_on (data);
2020 req->flags |= FLAG_SV2_RO_OFF;
2021 }
2022
2023 REQ_SEND;
2024 }
2025}
2026
2027void
1227aio_busy (double delay, SV *callback=&PL_sv_undef) 2028aio_busy (double delay, SV *callback = &PL_sv_undef)
1228 PPCODE: 2029 PPCODE:
1229{ 2030{
1230 dREQ; 2031 dREQ;
1231 2032
1232 req->type = EIO_BUSY; 2033 req->type = EIO_BUSY;
… …
1234 2035
1235 REQ_SEND; 2036 REQ_SEND;
1236} 2037}
1237 2038
1238void 2039void
1239aio_group (SV *callback=&PL_sv_undef) 2040aio_group (SV *callback = &PL_sv_undef)
1240 PROTOTYPE: ;$
1241 PPCODE: 2041 PPCODE:
1242{ 2042{
1243 dREQ; 2043 dREQ;
1244 2044
1245 req->type = EIO_GROUP; 2045 req->type = EIO_GROUP;
1246 2046
2047 PUTBACK;
1247 req_submit (req); 2048 req_submit (req);
2049 SPAGAIN;
2050
1248 XPUSHs (req_sv (req, aio_grp_stash)); 2051 XPUSHs (req_sv (req, aio_grp_stash));
1249} 2052}
1250 2053
1251void 2054void
1252aio_nop (SV *callback=&PL_sv_undef) 2055aio_nop (SV *callback = &PL_sv_undef)
1253 ALIAS: 2056 ALIAS:
1254 aio_nop = EIO_NOP 2057 aio_nop = EIO_NOP
1255 aio_sync = EIO_SYNC 2058 aio_sync = EIO_SYNC
1256 PPCODE: 2059 PPCODE:
1257{ 2060{
… …
1261 2064
1262 REQ_SEND; 2065 REQ_SEND;
1263} 2066}
1264 2067
1265int 2068int
1266aioreq_pri (int pri = 0) 2069aioreq_pri (int pri = NO_INIT)
1267 PROTOTYPE: ;$
1268 CODE: 2070 CODE:
1269 RETVAL = next_pri; 2071 RETVAL = next_pri;
1270 if (items > 0) 2072 if (items > 0)
1271 { 2073 {
1272 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2074 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1284 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2086 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285 next_pri = nice; 2087 next_pri = nice;
1286 2088
1287void 2089void
1288flush () 2090flush ()
1289 PROTOTYPE:
1290 CODE: 2091 CODE:
1291 while (eio_nreqs ()) 2092 while (eio_nreqs ())
1292 { 2093 {
1293 poll_wait (); 2094 poll_wait ();
1294 poll_cb (); 2095 poll_cb ();
1295 } 2096 }
1296 2097
1297int 2098int
1298poll() 2099poll ()
1299 PROTOTYPE:
1300 CODE: 2100 CODE:
1301 poll_wait (); 2101 poll_wait ();
1302 RETVAL = poll_cb (); 2102 RETVAL = poll_cb ();
1303 OUTPUT: 2103 OUTPUT:
1304 RETVAL 2104 RETVAL
1305 2105
1306int 2106int
1307poll_fileno() 2107poll_fileno ()
1308 PROTOTYPE:
1309 CODE: 2108 CODE:
1310 RETVAL = s_epipe_fd (&respipe); 2109 RETVAL = s_epipe_fd (&respipe);
1311 OUTPUT: 2110 OUTPUT:
1312 RETVAL 2111 RETVAL
1313 2112
1314int 2113int
1315poll_cb(...) 2114poll_cb (...)
1316 PROTOTYPE: 2115 PROTOTYPE:
1317 CODE: 2116 CODE:
1318 RETVAL = poll_cb (); 2117 RETVAL = poll_cb ();
1319 OUTPUT: 2118 OUTPUT:
1320 RETVAL 2119 RETVAL
1321 2120
1322void 2121void
1323poll_wait() 2122poll_wait ()
1324 PROTOTYPE:
1325 CODE: 2123 CODE:
1326 poll_wait (); 2124 poll_wait ();
1327 2125
1328int 2126int
1329nreqs() 2127nreqs ()
1330 PROTOTYPE:
1331 CODE: 2128 CODE:
1332 RETVAL = eio_nreqs (); 2129 RETVAL = eio_nreqs ();
1333 OUTPUT: 2130 OUTPUT:
1334 RETVAL 2131 RETVAL
1335 2132
1336int 2133int
1337nready() 2134nready ()
1338 PROTOTYPE:
1339 CODE: 2135 CODE:
1340 RETVAL = eio_nready (); 2136 RETVAL = eio_nready ();
1341 OUTPUT: 2137 OUTPUT:
1342 RETVAL 2138 RETVAL
1343 2139
1344int 2140int
1345npending() 2141npending ()
1346 PROTOTYPE:
1347 CODE: 2142 CODE:
1348 RETVAL = eio_npending (); 2143 RETVAL = eio_npending ();
1349 OUTPUT: 2144 OUTPUT:
1350 RETVAL 2145 RETVAL
1351 2146
1352int 2147int
1353nthreads() 2148nthreads ()
1354 PROTOTYPE:
1355 CODE: 2149 CODE:
1356 RETVAL = eio_nthreads (); 2150 RETVAL = eio_nthreads ();
1357 OUTPUT: 2151 OUTPUT:
1358 RETVAL 2152 RETVAL
1359 2153
1360int 2154int
1361fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2155fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362 PROTOTYPE: $$$$
1363 CODE: 2156 CODE:
1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365 RETVAL = posix_fadvise (fh, offset, length, advice); 2157 RETVAL = posix_fadvise (fh, offset, length, advice);
1366#else
1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368#endif
1369 OUTPUT: 2158 OUTPUT:
1370 RETVAL 2159 RETVAL
1371 2160
1372ssize_t 2161IV
1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2162sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374 PROTOTYPE: $$$$
1375 CODE: 2163 CODE:
1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2164 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT: 2165 OUTPUT:
1378 RETVAL 2166 RETVAL
1379 2167
1380void 2168void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2169mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE: 2170 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC); 2171 sv_clear_foreign (scalar);
1385{ 2172{
1386 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2173 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2174 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1) 2175 if (addr == (void *)-1)
1389 XSRETURN_NO; 2176 XSRETURN_NO;
1390 2177
1391 /* we store the length in mg_obj, as namlen is I32 :/ */ 2178 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length;
1394 2179
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */
1396 if (!(prot & PROT_WRITE)) 2180 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar); 2181 SvREADONLY_on (scalar);
1398 2182
1399 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar);
1403
1404 XSRETURN_YES; 2183 XSRETURN_YES;
1405} 2184}
1406 2185
1407void 2186void
1408munmap (SV *scalar) 2187munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE: 2188 CODE:
1411 sv_unmagic (scalar, MMAP_MAGIC); 2189 sv_clear_foreign (scalar);
2190
2191SV *
2192mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2193 CODE:
2194{
2195 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2196 void *new;
2197
2198 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2199 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2200
2201 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2202
2203 RETVAL = &PL_sv_no;
2204
2205 if (new != (void *)-1)
2206 {
2207 RETVAL = new == (void *)mg->mg_ptr
2208 ? newSVpvn ("0 but true", 10)
2209 : &PL_sv_yes;
2210
2211 mg->mg_ptr = (char *)new;
2212 mg->mg_obj = (SV *)new_length;
2213
2214 SvPVX (scalar) = mg->mg_ptr;
2215 SvCUR_set (scalar, new_length);
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2223 ALIAS:
2224 mprotect = 1
2225 CODE:
2226{
2227 STRLEN svlen;
2228 void *addr = SvPVbyte (scalar, svlen);
2229 STRLEN len = SvUV (length);
2230
2231 if (offset < 0)
2232 offset += svlen;
2233
2234 if (offset < 0 || offset > svlen)
2235 croak ("offset outside of scalar");
2236
2237 if (!SvOK (length) || len + offset > svlen)
2238 len = svlen - offset;
2239
2240 addr = (void *)(((intptr_t)addr) + offset);
2241 eio_page_align (&addr, &len);
2242
2243 switch (ix)
2244 {
2245 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2246 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2247 }
2248}
2249 OUTPUT:
2250 RETVAL
2251
2252int
2253munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2254 CODE:
2255{
2256 STRLEN svlen;
2257 void *addr = SvPVbyte (scalar, svlen);
2258 size_t len = SvUV (length);
2259
2260 if (offset < 0)
2261 offset += svlen;
2262
2263 if (offset < 0 || offset > svlen)
2264 croak ("offset outside of scalar");
2265
2266 if (!SvOK (length) || len + offset > svlen)
2267 len = svlen - offset;
2268
2269 addr = (void *)(((intptr_t)addr) + offset);
2270 eio_page_align (&addr, &len);
2271#if _POSIX_MEMLOCK_RANGE
2272 RETVAL = munlock (addr, len);
2273#else
2274 RETVAL = EIO_ENOSYS ();
2275#endif
2276}
2277 OUTPUT:
2278 RETVAL
1412 2279
1413int 2280int
1414mlockall (int flags) 2281mlockall (int flags)
1415 PROTOTYPE: $ 2282 PROTOTYPE: $;
1416 CODE: 2283 CODE:
1417#if _POSIX_MEMLOCK 2284 RETVAL = eio_mlockall_sync (flags);
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2285 OUTPUT:
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else
1424 RETVAL = -1;
1425 errno = ENOSYS;
1426#endif
1427 OUTPUT:
1428 RETVAL 2286 RETVAL
1429 2287
1430int 2288int
1431munlockall () 2289munlockall ()
1432 PROTOTYPE:
1433 CODE: 2290 CODE:
1434#if _POSIX_MEMLOCK 2291#if _POSIX_MEMLOCK
1435 munlockall (); 2292 munlockall ();
1436#else 2293#else
1437 RETVAL = -1; 2294 RETVAL = EIO_ENOSYS ();
1438 errno = ENOSYS;
1439#endif 2295#endif
1440 OUTPUT: 2296 OUTPUT:
1441 RETVAL 2297 RETVAL
2298
2299int
2300splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2301 CODE:
2302{
2303#if HAVE_LINUX_SPLICE
2304 loff_t off_in_, off_out_;
2305 RETVAL = splice (
2306 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2307 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2308 length, flags
2309 );
2310#else
2311 RETVAL = EIO_ENOSYS ();
2312#endif
2313}
2314 OUTPUT:
2315 RETVAL
2316
2317int
2318tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2319 CODE:
2320#if HAVE_LINUX_SPLICE
2321 RETVAL = tee (rfh, wfh, length, flags);
2322#else
2323 RETVAL = EIO_ENOSYS ();
2324#endif
2325 OUTPUT:
2326 RETVAL
2327
2328int
2329pipesize (aio_rfd rfh, int new_size = -1)
2330 PROTOTYPE: $;$
2331 CODE:
2332#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2333 if (new_size >= 0)
2334 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2335 else
2336 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2337#else
2338 errno = ENOSYS;
2339 RETVAL = -1;
2340#endif
2341 OUTPUT:
2342 RETVAL
2343
2344void
2345pipe2 (int flags = 0)
2346 PROTOTYPE: ;$
2347 PPCODE:
2348{
2349 int fd[2];
2350 int res;
2351
2352 if (flags)
2353#if HAVE_PIPE2
2354 res = pipe2 (fd, flags);
2355#else
2356 res = (errno = ENOSYS, -1);
2357#endif
2358 else
2359 res = pipe (fd);
2360
2361 if (!res)
2362 {
2363 EXTEND (SP, 2);
2364 PUSHs (newmortalFH (fd[0], O_RDONLY));
2365 PUSHs (newmortalFH (fd[1], O_WRONLY));
2366 }
2367}
2368
2369void
2370eventfd (unsigned int initval = 0, int flags = 0)
2371 PPCODE:
2372{
2373 int fd;
2374#if HAVE_EVENTFD
2375 fd = eventfd (initval, flags);
2376#else
2377 fd = (errno = ENOSYS, -1);
2378#endif
2379
2380 XPUSHs (newmortalFH (fd, O_RDWR));
2381}
2382
2383void
2384timerfd_create (int clockid, int flags = 0)
2385 PPCODE:
2386{
2387 int fd;
2388#if HAVE_TIMERFD
2389 fd = timerfd_create (clockid, flags);
2390#else
2391 fd = (errno = ENOSYS, -1);
2392#endif
2393
2394 XPUSHs (newmortalFH (fd, O_RDWR));
2395}
2396
2397void
2398timerfd_settime (SV *fh, int flags, NV interval, NV value)
2399 PPCODE:
2400{
2401 int fd = s_fileno_croak (fh, 0);
2402#if HAVE_TIMERFD
2403 int res;
2404 struct itimerspec its, ots;
2405
2406 ts_set (&its.it_interval, interval);
2407 ts_set (&its.it_value , value);
2408 res = timerfd_settime (fd, flags, &its, &ots);
2409
2410 if (!res)
2411 {
2412 EXTEND (SP, 2);
2413 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2414 PUSHs (newSVnv (ts_get (&ots.it_value)));
2415 }
2416#else
2417 errno = ENOSYS;
2418#endif
2419}
2420
2421void
2422timerfd_gettime (SV *fh)
2423 PPCODE:
2424{
2425 int fd = s_fileno_croak (fh, 0);
2426#if HAVE_TIMERFD
2427 int res;
2428 struct itimerspec ots;
2429 res = timerfd_gettime (fd, &ots);
2430
2431 if (!res)
2432 {
2433 EXTEND (SP, 2);
2434 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2435 PUSHs (newSVnv (ts_get (&ots.it_value)));
2436 }
2437#else
2438 errno = ENOSYS;
2439#endif
2440}
2441
2442UV
2443get_fdlimit ()
2444 CODE:
2445#if HAVE_RLIMITS
2446 struct rlimit rl;
2447 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2448 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2449#endif
2450 XSRETURN_UNDEF;
2451 OUTPUT:
2452 RETVAL
2453
2454void
2455min_fdlimit (UV limit = 0x7fffffffU)
2456 CODE:
2457{
2458#if HAVE_RLIMITS
2459 struct rlimit rl;
2460 rlim_t orig_rlim_max;
2461 UV bit;
2462
2463 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2464 goto fail;
2465
2466 if (rl.rlim_cur == RLIM_INFINITY)
2467 XSRETURN_YES;
2468
2469 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2470
2471 if (rl.rlim_cur < limit)
2472 {
2473 rl.rlim_cur = limit;
2474
2475 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2476 rl.rlim_max = rl.rlim_cur;
2477 }
2478
2479 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2480 XSRETURN_YES;
2481
2482 if (errno == EPERM)
2483 {
2484 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2485 /* our limit overflows a system-wide limit */
2486 /* try an adaptive algorithm, but do not lower the hardlimit */
2487 rl.rlim_max = 0;
2488 for (bit = 0x40000000U; bit; bit >>= 1)
2489 {
2490 rl.rlim_max |= bit;
2491 rl.rlim_cur = rl.rlim_max;
2492
2493 /* nevr decrease the hard limit */
2494 if (rl.rlim_max < orig_rlim_max)
2495 break;
2496
2497 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2498 rl.rlim_max &= ~bit; /* too high, remove bit again */
2499 }
2500
2501 /* now, raise the soft limit to the max permitted */
2502 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2503 {
2504 rl.rlim_cur = rl.rlim_max;
2505 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2506 errno = EPERM;
2507 }
2508 }
2509#endif
2510 fail:
2511 XSRETURN_UNDEF;
2512}
1442 2513
1443void _on_next_submit (SV *cb) 2514void _on_next_submit (SV *cb)
1444 CODE: 2515 CODE:
1445 SvREFCNT_dec (on_next_submit); 2516 SvREFCNT_dec (on_next_submit);
1446 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2517 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447 2518
1448PROTOTYPES: DISABLE 2519PROTOTYPES: DISABLE
1449 2520
2521MODULE = IO::AIO PACKAGE = IO::AIO::WD
2522
2523BOOT:
2524{
2525 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2526 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2527}
2528
2529void
2530DESTROY (SV *self)
2531 CODE:
2532{
2533 aio_wd wd = SvAIO_WD (self);
2534#if HAVE_AT
2535 {
2536 SV *callback = &PL_sv_undef;
2537 dREQ; /* clobbers next_pri :/ */
2538 next_pri = req->pri; /* restore next_pri */
2539 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2540 req->type = EIO_WD_CLOSE;
2541 req->wd = wd;
2542 REQ_SEND;
2543 }
2544#else
2545 eio_wd_close_sync (wd);
2546#endif
2547}
2548
1450MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2549MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451 2550
1452void 2551void
1453cancel (aio_req_ornot req) 2552cancel (aio_req_ornot req)
1454 CODE: 2553 CODE:
1455 eio_cancel (req); 2554 eio_cancel (req);
1456 2555
1457void 2556void
1458cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2557cb (aio_req_ornot req, SV *callback = NO_INIT)
1459 PPCODE: 2558 PPCODE:
1460{ 2559{
1461 if (GIMME_V != G_VOID) 2560 if (GIMME_V != G_VOID)
1462 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2561 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1463 2562
1464 if (items > 1) 2563 if (items > 1)
1465 { 2564 {
1466 SV *cb_cv =get_cb (callback); 2565 SV *cb_cv = get_cb (callback);
1467 2566
1468 SvREFCNT_dec (req->callback); 2567 SvREFCNT_dec (req->callback);
1469 req->callback = SvREFCNT_inc (cb_cv); 2568 req->callback = SvREFCNT_inc (cb_cv);
1470 } 2569 }
1471} 2570}
… …
1528limit (aio_req grp, int limit) 2627limit (aio_req grp, int limit)
1529 CODE: 2628 CODE:
1530 eio_grp_limit (grp, limit); 2629 eio_grp_limit (grp, limit);
1531 2630
1532void 2631void
1533feed (aio_req grp, SV *callback=&PL_sv_undef) 2632feed (aio_req grp, SV *callback = &PL_sv_undef)
1534 CODE: 2633 CODE:
1535{ 2634{
1536 SvREFCNT_dec (grp->sv2); 2635 SvREFCNT_dec (grp->sv2);
1537 grp->sv2 = newSVsv (callback); 2636 grp->sv2 = newSVsv (callback);
1538 grp->feed = aio_grp_feed; 2637 grp->feed = aio_grp_feed;

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