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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.195 by root, Mon Sep 26 20:19:08 2011 UTC vs.
Revision 1.275 by root, Mon Mar 18 23:52:09 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 <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
21# 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
22#endif 36#endif
23 37
24/* perl namespace pollution */ 38/* perl namespace pollution */
25#undef VERSION 39#undef VERSION
26 40
… …
61 #undef fchmod 75 #undef fchmod
62 #undef dup 76 #undef dup
63 #undef dup2 77 #undef dup2
64 #undef abort 78 #undef abort
65 #undef pipe 79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83 #define EIO_STRUCT_STATI64
66 84
67#else 85#else
68 86
69 #include <sys/time.h> 87 #include <sys/time.h>
70 #include <sys/select.h> 88 #include <sys/select.h>
71 #include <unistd.h> 89 #include <unistd.h>
72 #include <utime.h> 90 #include <utime.h>
73 #include <signal.h> 91 #include <signal.h>
74 92
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 93 #define EIO_STRUCT_STAT Stat_t
78 94
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 95#endif
89 96
90/*****************************************************************************/ 97/*****************************************************************************/
91 98
92#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
97 104
98#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
100 107
101/*****************************************************************************/ 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_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
102 171
103typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
106 175
… …
113 STRLEN stroffset; \ 182 STRLEN stroffset; \
114 SV *self; 183 SV *self;
115 184
116#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
117 186
118#include "libeio/config.h"
119#include "libeio/eio.h" 187#include "libeio/eio.h"
120 188
121static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
125 193
126#include "libeio/eio.c" 194#include "libeio/eio.c"
127 195
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 196#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 198#endif
196 199
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 200#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 202#endif
291 203
292#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 205# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
295# else 207# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 209# endif
298#endif 210#endif
299#ifndef MAP_HUGETLB
300# define MAP_HUGETLB 0
301#endif
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 211
315#ifndef makedev 212#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 214#endif
318#ifndef major 215#ifndef major
… …
320#endif 217#endif
321#ifndef minor 218#ifndef minor
322# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
323#endif 220#endif
324 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
325#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
329/* defines all sorts of constants to 0 unless they are already defined */
330/* also provides const_iv_ and const_niv_ macros for them */
331#include "def0.h"
332
333/*****************************************************************************/
334
335static void
336fiemap (eio_req *req)
337{
338 req->result = -1;
339
340#if HAVE_FIEMAP
341 /* assume some c99 */
342 struct fiemap *fiemap = 0;
343 size_t end_offset;
344 int count = req->int3;
345
346 req->flags |= EIO_FLAG_PTR1_FREE;
347
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */
350 if (count < 0)
351 count = 8;
352
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM;
355 if (!fiemap)
356 return;
357
358 req->ptr1 = fiemap;
359
360 fiemap->fm_start = req->offs;
361 fiemap->fm_length = req->size;
362 fiemap->fm_flags = req->int2;
363 fiemap->fm_extent_count = count;
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
366 return;
367
368 if (req->int3 >= 0 /* not autosizing */
369 || !fiemap->fm_mapped_extents /* no more extents */
370 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
371 goto done;
372
373 /* else we have to loop -
374 * it would be tempting (actually I tried that first) to just query the
375 * number of extents needed, but linux often feels like not returning all
376 * extents, without telling us it left any out. this complicates
377 * this quite a bit.
378 */
379
380 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
381
382 for (;;)
383 {
384 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
385 char scratch[3072];
386 struct fiemap *incmap = (struct fiemap *)scratch;
387
388 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
389 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
390 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
391 incmap->fm_flags = fiemap->fm_flags;
392 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
393
394 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
395 return;
396
397 if (!incmap->fm_mapped_extents)
398 goto done;
399
400 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
401 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
402 errno = ENOMEM;
403 if (!fiemap)
404 return;
405
406 req->ptr1 = fiemap;
407
408 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 {
410 struct fiemap_extent *e = incmap->fm_extents + count;
411
412 if (e->fe_logical + e->fe_length >= end_offset)
413 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416
417 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done;
419
420 }
421 }
422
423done:
424 req->result = 0;
425
426#else
427 errno = ENOSYS;
428#endif
429}
430
431/*****************************************************************************/
432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
327#endif 442#endif
328 443
329enum { 444enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 446};
332 447
333typedef eio_req *aio_req; 448typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 449typedef eio_req *aio_req_ornot;
335typedef eio_wd *aio_wd; 450typedef eio_wd aio_wd;
336 451
337static SV *on_next_submit; 452static SV *on_next_submit;
338static int next_pri = EIO_PRI_DEFAULT; 453static int next_pri = EIO_PRI_DEFAULT;
339static int max_outstanding; 454static int max_outstanding;
340 455
341static s_epipe respipe; 456static s_epipe respipe;
342 457
343static void req_destroy (aio_req req); 458static void req_destroy (aio_req req);
344static void req_cancel (aio_req req); 459static void req_cancel (aio_req req);
345 460
346static void want_poll (void) 461static void
462want_poll (void)
347{ 463{
348 /* write a dummy byte to the pipe so fh becomes ready */ 464 /* write a dummy byte to the pipe so fh becomes ready */
349 s_epipe_signal (&respipe); 465 s_epipe_signal (&respipe);
350} 466}
351 467
352static void done_poll (void) 468static void
469done_poll (void)
353{ 470{
354 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
355 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
356} 473}
357 474
358/* must be called at most once */ 475/* must be called at most once */
476ecb_noinline
477static SV *
359static SV *req_sv (aio_req req, HV *stash) 478req_sv (aio_req req, HV *stash)
360{ 479{
361 if (!req->self) 480 if (!req->self)
362 { 481 {
363 req->self = (SV *)newHV (); 482 req->self = (SV *)newHV ();
364 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 483 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
365 } 484 }
366 485
367 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 486 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
368} 487}
369 488
370static aio_req SvAIO_REQ (SV *sv) 489static SV *
490newSVaio_wd (aio_wd wd)
491{
492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
493}
494
495ecb_noinline
496static aio_req
497SvAIO_REQ (SV *sv)
371{ 498{
372 MAGIC *mg; 499 MAGIC *mg;
373 500
374 if (!SvROK (sv) 501 if (!SvROK (sv)
502 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
375 || (SvSTASH (SvRV (sv)) != aio_grp_stash 503 || (SvSTASH (SvRV (sv)) != aio_grp_stash
376 && SvSTASH (SvRV (sv)) != aio_req_stash 504 && SvSTASH (SvRV (sv)) != aio_req_stash
377 && !sv_derived_from (sv, "IO::AIO::REQ"))) 505 && !sv_derived_from (sv, "IO::AIO::REQ")))
378 croak ("object of class IO::AIO::REQ expected"); 506 croak ("object of class IO::AIO::REQ expected");
379 507
380 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 508 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
381 509
382 return mg ? (aio_req)mg->mg_ptr : 0; 510 return mg ? (aio_req)mg->mg_ptr : 0;
383} 511}
384 512
385static aio_wd SvAIO_WD (SV *sv) 513static aio_wd
514SvAIO_WD (SV *sv)
386{ 515{
387 if (!SvROK (sv) 516 if (!SvROK (sv)
517 || SvTYPE (SvRV (sv)) != SVt_PVMG
388 || SvSTASH (SvRV (sv)) != aio_wd_stash 518 || SvSTASH (SvRV (sv)) != aio_wd_stash)
389 || SvTYPE (SvRV (sv)) != SVt_PVMG)
390 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 519 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
391 520
392 return (aio_wd)(long)SvIVX (SvRV (sv)); 521 return (aio_wd)(long)SvIVX (SvRV (sv));
393} 522}
394 523
524static SV *
525newmortalFH (int fd, int flags)
526{
527 if (fd < 0)
528 return &PL_sv_undef;
529
530 GV *gv = (GV *)sv_newmortal ();
531 char sym[64];
532 int symlen;
533
534 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
535 gv_init (gv, aio_stash, sym, symlen, 0);
536
537 symlen = snprintf (
538 sym,
539 sizeof (sym),
540 "%s&=%d",
541 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
542 fd
543 );
544
545 return do_open (gv, sym, symlen, 0, 0, 0, 0)
546 ? (SV *)gv : &PL_sv_undef;
547}
548
549static void
395static void aio_grp_feed (aio_req grp) 550aio_grp_feed (aio_req grp)
396{ 551{
397 if (grp->sv2 && SvOK (grp->sv2)) 552 if (grp->sv2 && SvOK (grp->sv2))
398 { 553 {
399 dSP; 554 dSP;
400 555
… …
408 FREETMPS; 563 FREETMPS;
409 LEAVE; 564 LEAVE;
410 } 565 }
411} 566}
412 567
568ecb_noinline
569static void
413static void req_submit (eio_req *req) 570req_submit (eio_req *req)
414{ 571{
415 eio_submit (req); 572 eio_submit (req);
416 573
417 if (expect_false (on_next_submit)) 574 if (expect_false (on_next_submit))
418 { 575 {
… …
425 PUTBACK; 582 PUTBACK;
426 call_sv (cb, G_DISCARD | G_EVAL); 583 call_sv (cb, G_DISCARD | G_EVAL);
427 } 584 }
428} 585}
429 586
587static int
430static int req_invoke (eio_req *req) 588req_invoke (eio_req *req)
431{ 589{
432 if (req->flags & FLAG_SV2_RO_OFF) 590 if (req->flags & FLAG_SV2_RO_OFF)
433 SvREADONLY_off (req->sv2); 591 SvREADONLY_off (req->sv2);
434 592
435 if (!EIO_CANCELLED (req) && req->callback) 593 if (!EIO_CANCELLED (req) && req->callback)
… …
457 } 615 }
458 616
459 switch (req->type) 617 switch (req->type)
460 { 618 {
461 case EIO_WD_OPEN: 619 case EIO_WD_OPEN:
462 PUSHs (sv_2mortal (sv_bless (newRV_noinc (newSViv (((long)req->wd))), aio_wd_stash))); 620 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
463 break; 621 break;
464 622
465 case EIO_READDIR: 623 case EIO_READDIR:
466 { 624 {
467 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
… …
522 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 680 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
523 } 681 }
524 break; 682 break;
525 683
526 case EIO_OPEN: 684 case EIO_OPEN:
527 { 685 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
528 /* convert fd to fh */
529 SV *fh = &PL_sv_undef;
530
531 if (req->result >= 0)
532 {
533 GV *gv = (GV *)sv_newmortal ();
534 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
535 char sym [64];
536 int symlen;
537
538 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
539 gv_init (gv, aio_stash, sym, symlen, 0);
540
541 symlen = snprintf (
542 sym,
543 sizeof (sym),
544 "%s&=%d",
545 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
546 (int)req->result
547 );
548
549 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
550 fh = (SV *)gv;
551 }
552
553 PUSHs (fh);
554 }
555 break; 686 break;
556 687
557 case EIO_STATVFS: 688 case EIO_STATVFS:
558 case EIO_FSTATVFS: 689 case EIO_FSTATVFS:
559 { 690 {
… …
562#ifndef _WIN32 693#ifndef _WIN32
563 if (req->result >= 0) 694 if (req->result >= 0)
564 { 695 {
565 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 696 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
566 HV *hv = newHV (); 697 HV *hv = newHV ();
698 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
699 * chooses to make it a struct.
700 */
701 unsigned long fsid = 0;
702 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
567 703
568 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 704 rv = sv_2mortal (newRV_noinc ((SV *)hv));
569 705
570 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 706 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
571 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 707 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
573 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 709 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
574 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 710 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
575 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 711 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
576 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 712 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
577 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 713 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
578 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 714 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
579 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 715 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
580 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 716 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
581 } 717 }
582#endif 718#endif
583 719
… …
611 break; 747 break;
612 748
613 case EIO_STAT: 749 case EIO_STAT:
614 case EIO_LSTAT: 750 case EIO_LSTAT:
615 case EIO_FSTAT: 751 case EIO_FSTAT:
616 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 752 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
753
617 PL_laststatval = req->result; 754 if (!(PL_laststatval = req->result))
618 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 755 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
619 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 756 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
757
620 PUSHs (sv_result); 758 PUSHs (sv_result);
759 break;
760
761 case EIO_SEEK:
762 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
621 break; 763 break;
622 764
623 case EIO_READ: 765 case EIO_READ:
624 { 766 {
625 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 767 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
628 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
629 PUSHs (sv_result); 771 PUSHs (sv_result);
630 } 772 }
631 break; 773 break;
632 774
775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
799 case EIO_CUSTOM:
800 if (req->feed == fiemap)
801 {
802#if HAVE_FIEMAP
803 if (!req->result)
804 {
805 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
806
807 if (fiemap->fm_extent_count)
808 {
809 AV *av = newAV ();
810 int i;
811
812 while (fiemap->fm_mapped_extents)
813 {
814 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
815 AV *ext_av = newAV ();
816
817 av_store (ext_av, 3, newSVuv (extent->fe_flags));
818 av_store (ext_av, 2, newSVval64 (extent->fe_length));
819 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
820 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
821
822 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
823 }
824
825 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
826 }
827 else
828 {
829 SvIV_set (sv_result, fiemap->fm_mapped_extents);
830 PUSHs (sv_result);
831 }
832 }
833#endif
834 }
835 else
836 PUSHs (sv_result);
837 break;
838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
633 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
634 if (req->result > 0) 846 if (req->result > 0)
635 SvIV_set (sv_result, 0); 847 SvIV_set (sv_result, 0);
636 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
637 849
… …
658 } 870 }
659 871
660 return !!SvTRUE (ERRSV); 872 return !!SvTRUE (ERRSV);
661} 873}
662 874
875static void
663static void req_destroy (aio_req req) 876req_destroy (aio_req req)
664{ 877{
665 if (req->self) 878 if (req->self)
666 { 879 {
667 sv_unmagic (req->self, PERL_MAGIC_ext); 880 sv_unmagic (req->self, PERL_MAGIC_ext);
668 SvREFCNT_dec (req->self); 881 SvREFCNT_dec (req->self);
… …
672 SvREFCNT_dec (req->sv2); 885 SvREFCNT_dec (req->sv2);
673 SvREFCNT_dec (req->sv3); 886 SvREFCNT_dec (req->sv3);
674 SvREFCNT_dec (req->sv4); 887 SvREFCNT_dec (req->sv4);
675 SvREFCNT_dec (req->callback); 888 SvREFCNT_dec (req->callback);
676 889
677 Safefree (req); 890 free (req);
678} 891}
679 892
893static void
680static void req_cancel_subs (aio_req grp) 894req_cancel_subs (aio_req grp)
681{ 895{
682 if (grp->type != EIO_GROUP) 896 if (grp->type != EIO_GROUP)
683 return; 897 return;
684 898
685 SvREFCNT_dec (grp->sv2); 899 SvREFCNT_dec (grp->sv2);
686 grp->sv2 = 0; 900 grp->sv2 = 0;
687 901
688 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
689} 903}
690 904
905ecb_cold
906static void
691static void create_respipe (void) 907create_respipe (void)
692{ 908{
693 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
694 croak ("IO::AIO: unable to initialize result pipe"); 910 croak ("IO::AIO: unable to initialize result pipe");
695} 911}
696 912
697static void poll_wait (void) 913static void
914poll_wait (void)
698{ 915{
699 while (eio_nreqs ()) 916 while (eio_nreqs ())
700 { 917 {
701 int size; 918 int size;
702 919
703 X_LOCK (reslock); 920 X_LOCK (EIO_POOL->reslock);
704 size = res_queue.size; 921 size = EIO_POOL->res_queue.size;
705 X_UNLOCK (reslock); 922 X_UNLOCK (EIO_POOL->reslock);
706 923
707 if (size) 924 if (size)
708 return; 925 return;
709 926
710 etp_maybe_start_thread (); 927 etp_maybe_start_thread (EIO_POOL);
711 928
712 s_epipe_wait (&respipe); 929 s_epipe_wait (&respipe);
713 } 930 }
714} 931}
715 932
716static int poll_cb (void) 933static int
934poll_cb (void)
717{ 935{
718 for (;;) 936 for (;;)
719 { 937 {
720 int res = eio_poll (); 938 int res = eio_poll ();
721 939
… …
727 945
728 poll_wait (); 946 poll_wait ();
729 } 947 }
730} 948}
731 949
732static void ecb_cold 950ecb_cold
951static void
733reinit (void) 952reinit (void)
734{ 953{
735 create_respipe (); 954 create_respipe ();
736 955
737 if (eio_init (want_poll, done_poll) < 0) 956 if (eio_init (want_poll, done_poll) < 0)
738 croak ("IO::AIO: unable to initialise eio library"); 957 croak ("IO::AIO: unable to initialise eio library");
739} 958}
740 959
741/*****************************************************************************/ 960/*****************************************************************************/
742 961
743#if !_POSIX_MAPPED_FILES 962static SV *
744# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
745# define munmap(addr,length) (errno = ENOSYS, -1)
746#endif
747
748#if !_POSIX_MEMORY_PROTECTION
749# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
750# define PROT_NONE 0
751# define PROT_WRITE 0
752# define MAP_PRIVATE 0
753# define MAP_SHARED 0
754# define MAP_FIXED 0
755#endif
756
757#define MMAP_MAGIC PERL_MAGIC_ext
758
759static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
760{
761 int old_errno = errno;
762 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
763 errno = old_errno;
764
765 mg->mg_obj = 0; /* just in case */
766
767 SvREADONLY_off (sv);
768
769 if (SvPVX (sv) != mg->mg_ptr)
770 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
771
772 SvCUR_set (sv, 0);
773 SvPVX (sv) = 0;
774 SvOK_off (sv);
775
776 return 0;
777}
778
779static MGVTBL mmap_vtbl = {
780 0, 0, 0, 0, mmap_free
781};
782
783/*****************************************************************************/
784
785static SV * get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
786{ 964{
787 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
788 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
789} 967}
790 968
969ecb_noinline
970static aio_req ecb_noinline
971dreq (SV *callback)
972{
973 SV *cb_cv;
974 aio_req req;
975 int req_pri = next_pri;
976 next_pri = EIO_PRI_DEFAULT;
977
978 cb_cv = get_cb (callback);
979
980 req = calloc (sizeof (*req), 1);
981 if (!req)
982 croak ("out of memory during eio_req allocation");
983
984 req->callback = SvREFCNT_inc (cb_cv);
985 req->pri = req_pri;
986
987 return req;
988}
989
791#define dREQ \ 990#define dREQ \
792 SV *cb_cv; \ 991 aio_req req = dreq (callback); \
793 aio_req req; \
794 int req_pri = next_pri; \
795 next_pri = EIO_PRI_DEFAULT; \
796 \
797 cb_cv = get_cb (callback); \
798 \
799 Newz (0, req, 1, eio_req); \
800 if (!req) \
801 croak ("out of memory during eio_req allocation"); \
802 \
803 req->callback = SvREFCNT_inc (cb_cv); \
804 req->pri = req_pri
805 992
806#define REQ_SEND \ 993#define REQ_SEND \
807 PUTBACK; \ 994 PUTBACK; \
808 req_submit (req); \ 995 req_submit (req); \
809 SPAGAIN; \ 996 SPAGAIN; \
810 \ 997 \
811 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
812 XPUSHs (req_sv (req, aio_req_stash)); 999 XPUSHs (req_sv (req, aio_req_stash));
813 1000
814static void 1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1002ecb_inline
1003void
815req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
816{ 1005{
817 if (SvROK (path)) 1006 if (expect_false (SvROK (path)))
818 { 1007 {
819 AV *av = (AV *)SvRV (path); 1008 SV *rv = SvRV (path);
820 SV *wdob; 1009 SV *wdob;
821 1010
822 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 1011 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
823 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); 1012 {
824
825 path = AvARRAY (av)[1]; 1013 path = AvARRAY (rv)[1];
826 wdob = AvARRAY (av)[0]; 1014 wdob = AvARRAY (rv)[0];
827 1015
1016 if (SvOK (wdob))
1017 {
828 *wd = SvAIO_WD (wdob); 1018 *wd = SvAIO_WD (wdob);
829 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 1019 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1020 }
1021 else
1022 *wd = EIO_INVALID_WD;
1023 }
1024 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1025 {
1026 *wd = (aio_wd)(long)SvIVX (rv);
1027 *wdsv = SvREFCNT_inc_NN (rv);
1028 *ptr = ".";
1029 return; /* path set to "." */
1030 }
1031 else
1032 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
830 } 1033 }
831 1034
832 *pathsv = newSVsv (path); 1035 *pathsv = newSVsv (path);
833 *ptr = SvPVbyte_nolen (*pathsv); 1036 *ptr = SvPVbyte_nolen (*pathsv);
834} 1037}
835 1038
1039ecb_noinline
836static void 1040static void
837req_set_path1 (aio_req req, SV *path) 1041req_set_path1 (aio_req req, SV *path)
838{ 1042{
839 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
840} 1044}
841 1045
1046ecb_noinline
842static void 1047static void
843req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
844{ 1049{
845 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
846 1051
… …
857 default: 1062 default:
858 req->type = type_path; 1063 req->type = type_path;
859 req_set_path1 (req, fh_or_path); 1064 req_set_path1 (req, fh_or_path);
860 break; 1065 break;
861 } 1066 }
862
863} 1067}
1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
1086XS(boot_IO__AIO) ecb_cold;
864 1087
865MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
866 1089
867PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
868 1091
… …
873 IV iv; 1096 IV iv;
874 } *civ, const_iv[] = { 1097 } *civ, const_iv[] = {
875# define const_niv(name, value) { # name, (IV) value }, 1098# define const_niv(name, value) { # name, (IV) value },
876# define const_iv(name) { # name, (IV) name }, 1099# define const_iv(name) { # name, (IV) name },
877# define const_eio(name) { # name, (IV) EIO_ ## name }, 1100# define const_eio(name) { # name, (IV) EIO_ ## name },
1101
1102 /* you have to re-run ./gendef0 after adding/removing any constants here */
1103 /* the first block can be undef if missing */
1104 const_iv (ENOSYS)
878 const_iv (EXDEV) 1105 const_iv (EXDEV)
879 const_iv (ENOSYS) 1106 const_iv (EBADR)
1107
1108 /* for lseek */
1109 const_iv (SEEK_DATA)
1110 const_iv (SEEK_HOLE)
1111
1112 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1113 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1114 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1115 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1116 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1117 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1118
1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1124
1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
880 const_iv (O_RDONLY) 1128 const_iv (O_RDONLY)
881 const_iv (O_WRONLY) 1129 const_iv (O_WRONLY)
882 const_iv (O_RDWR) 1130 const_iv (O_RDWR)
883 const_iv (O_CREAT) 1131 const_iv (O_CREAT)
884 const_iv (O_TRUNC) 1132 const_iv (O_TRUNC)
… …
897 const_iv (O_SEARCH) 1145 const_iv (O_SEARCH)
898 const_iv (O_DIRECTORY) 1146 const_iv (O_DIRECTORY)
899 const_iv (O_DSYNC) 1147 const_iv (O_DSYNC)
900 const_iv (O_RSYNC) 1148 const_iv (O_RSYNC)
901 const_iv (O_SYNC) 1149 const_iv (O_SYNC)
1150 const_iv (O_PATH)
1151 const_iv (O_TMPFILE)
902 const_iv (O_TTY_INIT) 1152 const_iv (O_TTY_INIT)
903 1153
904 const_iv (S_IFIFO) 1154 const_iv (S_IFIFO)
905 const_iv (S_IFCHR) 1155 const_iv (S_IFCHR)
906 const_iv (S_IFBLK) 1156 const_iv (S_IFBLK)
… …
908 const_iv (S_IFREG) 1158 const_iv (S_IFREG)
909 const_iv (S_IFDIR) 1159 const_iv (S_IFDIR)
910 const_iv (S_IFWHT) 1160 const_iv (S_IFWHT)
911 const_iv (S_IFSOCK) 1161 const_iv (S_IFSOCK)
912 const_iv (S_IFMT) 1162 const_iv (S_IFMT)
913
914 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
915 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
916 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
917 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
918 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
919 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
920
921 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
922 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
923 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
924 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
925 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
926 1163
927 const_iv (ST_RDONLY) 1164 const_iv (ST_RDONLY)
928 const_iv (ST_NOSUID) 1165 const_iv (ST_NOSUID)
929 const_iv (ST_NODEV) 1166 const_iv (ST_NODEV)
930 const_iv (ST_NOEXEC) 1167 const_iv (ST_NOEXEC)
… …
940 const_iv (PROT_NONE) 1177 const_iv (PROT_NONE)
941 const_iv (PROT_EXEC) 1178 const_iv (PROT_EXEC)
942 const_iv (PROT_READ) 1179 const_iv (PROT_READ)
943 const_iv (PROT_WRITE) 1180 const_iv (PROT_WRITE)
944 1181
945 /*const_iv (MAP_FIXED)*/
946 const_iv (MAP_PRIVATE) 1182 const_iv (MAP_PRIVATE)
947 const_iv (MAP_SHARED) 1183 const_iv (MAP_SHARED)
1184 const_iv (MAP_FIXED)
948 const_iv (MAP_ANONYMOUS) 1185 const_iv (MAP_ANONYMOUS)
949 1186
950 /* linuxish */ 1187 /* linuxish */
951 const_iv (MAP_HUGETLB)
952 const_iv (MAP_LOCKED) 1188 const_iv (MAP_LOCKED)
953 const_iv (MAP_NORESERVE) 1189 const_iv (MAP_NORESERVE)
954 const_iv (MAP_POPULATE) 1190 const_iv (MAP_POPULATE)
955 const_iv (MAP_NONBLOCK) 1191 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK)
1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (F_DUPFD_CLOEXEC)
1201
1202 const_iv (MSG_CMSG_CLOEXEC)
1203 const_iv (SOCK_CLOEXEC)
1204
1205 const_iv (F_OFD_GETLK)
1206 const_iv (F_OFD_SETLK)
1207 const_iv (F_OFD_GETLKW)
1208
1209 const_iv (FIFREEZE)
1210 const_iv (FITHAW)
1211 const_iv (FITRIM)
1212 const_iv (FICLONE)
1213 const_iv (FICLONERANGE)
1214 const_iv (FIDEDUPERANGE)
1215
1216 const_iv (FS_IOC_GETFLAGS)
1217 const_iv (FS_IOC_SETFLAGS)
1218 const_iv (FS_IOC_GETVERSION)
1219 const_iv (FS_IOC_SETVERSION)
1220 const_iv (FS_IOC_FIEMAP)
1221 const_iv (FS_IOC_FSGETXATTR)
1222 const_iv (FS_IOC_FSSETXATTR)
1223 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1224 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1225 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1226
1227 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1228
1229 const_iv (FS_SECRM_FL)
1230 const_iv (FS_UNRM_FL)
1231 const_iv (FS_COMPR_FL)
1232 const_iv (FS_SYNC_FL)
1233 const_iv (FS_IMMUTABLE_FL)
1234 const_iv (FS_APPEND_FL)
1235 const_iv (FS_NODUMP_FL)
1236 const_iv (FS_NOATIME_FL)
1237 const_iv (FS_DIRTY_FL)
1238 const_iv (FS_COMPRBLK_FL)
1239 const_iv (FS_NOCOMP_FL)
1240 const_iv (FS_ENCRYPT_FL)
1241 const_iv (FS_BTREE_FL)
1242 const_iv (FS_INDEX_FL)
1243 const_iv (FS_JOURNAL_DATA_FL)
1244 const_iv (FS_NOTAIL_FL)
1245 const_iv (FS_DIRSYNC_FL)
1246 const_iv (FS_TOPDIR_FL)
1247 const_iv (FS_FL_USER_MODIFIABLE)
1248
1249 const_iv (FS_XFLAG_REALTIME)
1250 const_iv (FS_XFLAG_PREALLOC)
1251 const_iv (FS_XFLAG_IMMUTABLE)
1252 const_iv (FS_XFLAG_APPEND)
1253 const_iv (FS_XFLAG_SYNC)
1254 const_iv (FS_XFLAG_NOATIME)
1255 const_iv (FS_XFLAG_NODUMP)
1256 const_iv (FS_XFLAG_RTINHERIT)
1257 const_iv (FS_XFLAG_PROJINHERIT)
1258 const_iv (FS_XFLAG_NOSYMLINKS)
1259 const_iv (FS_XFLAG_EXTSIZE)
1260 const_iv (FS_XFLAG_EXTSZINHERIT)
1261 const_iv (FS_XFLAG_NODEFRAG)
1262 const_iv (FS_XFLAG_FILESTREAM)
1263 const_iv (FS_XFLAG_DAX)
1264 const_iv (FS_XFLAG_HASATTR)
1265
1266 const_iv (FIEMAP_FLAG_SYNC)
1267 const_iv (FIEMAP_FLAG_XATTR)
1268 const_iv (FIEMAP_FLAGS_COMPAT)
1269 const_iv (FIEMAP_EXTENT_LAST)
1270 const_iv (FIEMAP_EXTENT_UNKNOWN)
1271 const_iv (FIEMAP_EXTENT_DELALLOC)
1272 const_iv (FIEMAP_EXTENT_ENCODED)
1273 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1274 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1275 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1276 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1277 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1278 const_iv (FIEMAP_EXTENT_MERGED)
1279 const_iv (FIEMAP_EXTENT_SHARED)
1280
1281 const_iv (SPLICE_F_MOVE)
1282 const_iv (SPLICE_F_NONBLOCK)
1283 const_iv (SPLICE_F_MORE)
1284 const_iv (SPLICE_F_GIFT)
1285
1286 const_iv (EFD_CLOEXEC)
1287 const_iv (EFD_NONBLOCK)
1288 const_iv (EFD_SEMAPHORE)
1289
1290 const_iv (CLOCK_REALTIME)
1291 const_iv (CLOCK_MONOTONIC)
1292 const_iv (CLOCK_BOOTTIME)
1293 const_iv (CLOCK_REALTIME_ALARM)
1294 const_iv (CLOCK_BOOTTIME_ALARM)
1295
1296 const_iv (TFD_NONBLOCK)
1297 const_iv (TFD_CLOEXEC)
1298
1299 const_iv (TFD_TIMER_ABSTIME)
1300 const_iv (TFD_TIMER_CANCEL_ON_SET)
1301
1302 const_iv (STATX_TYPE)
1303 const_iv (STATX_MODE)
1304 const_iv (STATX_NLINK)
1305 const_iv (STATX_UID)
1306 const_iv (STATX_GID)
1307 const_iv (STATX_ATIME)
1308 const_iv (STATX_MTIME)
1309 const_iv (STATX_CTIME)
1310 const_iv (STATX_INO)
1311 const_iv (STATX_SIZE)
1312 const_iv (STATX_BLOCKS)
1313 const_iv (STATX_BASIC_STATS)
1314 const_iv (STATX_ALL)
1315 const_iv (STATX_BTIME)
1316 const_iv (STATX_ATTR_COMPRESSED)
1317 const_iv (STATX_ATTR_IMMUTABLE)
1318 const_iv (STATX_ATTR_APPEND)
1319 const_iv (STATX_ATTR_NODUMP)
1320 const_iv (STATX_ATTR_ENCRYPTED)
1321 const_iv (STATX_ATTR_AUTOMOUNT)
1322
1323 /* these are libeio constants, and are independent of gendef0 */
1324 const_eio (SEEK_SET)
1325 const_eio (SEEK_CUR)
1326 const_eio (SEEK_END)
956 1327
957 const_eio (MCL_FUTURE) 1328 const_eio (MCL_FUTURE)
958 const_eio (MCL_CURRENT) 1329 const_eio (MCL_CURRENT)
1330 const_eio (MCL_ONFAULT)
959 1331
960 const_eio (MS_ASYNC) 1332 const_eio (MS_ASYNC)
961 const_eio (MS_INVALIDATE) 1333 const_eio (MS_INVALIDATE)
962 const_eio (MS_SYNC) 1334 const_eio (MS_SYNC)
963 1335
… …
966 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1338 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
967 const_eio (SYNC_FILE_RANGE_WRITE) 1339 const_eio (SYNC_FILE_RANGE_WRITE)
968 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1340 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
969 1341
970 const_eio (FALLOC_FL_KEEP_SIZE) 1342 const_eio (FALLOC_FL_KEEP_SIZE)
1343 const_eio (FALLOC_FL_PUNCH_HOLE)
1344 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1345 const_eio (FALLOC_FL_ZERO_RANGE)
1346 const_eio (FALLOC_FL_INSERT_RANGE)
1347 const_eio (FALLOC_FL_UNSHARE_RANGE)
1348
1349 const_eio (RENAME_NOREPLACE)
1350 const_eio (RENAME_EXCHANGE)
1351 const_eio (RENAME_WHITEOUT)
971 1352
972 const_eio (READDIR_DENTS) 1353 const_eio (READDIR_DENTS)
973 const_eio (READDIR_DIRS_FIRST) 1354 const_eio (READDIR_DIRS_FIRST)
974 const_eio (READDIR_STAT_ORDER) 1355 const_eio (READDIR_STAT_ORDER)
975 const_eio (READDIR_FOUND_UNKNOWN) 1356 const_eio (READDIR_FOUND_UNKNOWN)
… …
993 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1374 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
994 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1375 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
995 1376
996 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1377 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
997 1378
1379 /* allocate dummy pipe fd for aio_close */
1380 {
1381 int pipefd [2];
1382
1383 if (
1384#ifdef _WIN32
1385 _pipe (pipefd, 1, _O_BINARY) < 0
1386#else
1387 pipe (pipefd) < 0
1388 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1389#endif
1390 || close (pipefd [1]) < 0
1391 )
1392 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1393
1394 close_fd = pipefd [0];
1395 }
1396
998 reinit (); 1397 reinit ();
999} 1398}
1000 1399
1001void 1400void
1002reinit () 1401reinit ()
… …
1043 PROTOTYPE: $ 1442 PROTOTYPE: $
1044 CODE: 1443 CODE:
1045 max_outstanding = maxreqs; 1444 max_outstanding = maxreqs;
1046 1445
1047void 1446void
1048aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1447aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1049 PPCODE: 1448 PPCODE:
1050{ 1449{
1051 dREQ; 1450 dREQ;
1052 1451
1053 req->type = EIO_WD_OPEN; 1452 req->type = EIO_WD_OPEN;
… …
1055 1454
1056 REQ_SEND; 1455 REQ_SEND;
1057} 1456}
1058 1457
1059void 1458void
1060aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1459aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1061 PPCODE: 1460 PPCODE:
1062{ 1461{
1063 dREQ; 1462 dREQ;
1064 1463
1065 req->type = EIO_OPEN; 1464 req->type = EIO_OPEN;
… …
1069 1468
1070 REQ_SEND; 1469 REQ_SEND;
1071} 1470}
1072 1471
1073void 1472void
1074aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1473aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1075 ALIAS: 1474 ALIAS:
1076 aio_fsync = EIO_FSYNC 1475 aio_fsync = EIO_FSYNC
1077 aio_fdatasync = EIO_FDATASYNC 1476 aio_fdatasync = EIO_FDATASYNC
1078 aio_syncfs = EIO_SYNCFS 1477 aio_syncfs = EIO_SYNCFS
1079 PPCODE: 1478 PPCODE:
1080{ 1479{
1081 int fd = s_fileno_croak (fh, 0); 1480 int fd = s_fileno_croak (fh, 0);
1082 dREQ; 1481 dREQ;
1083 1482
1084 req->type = ix; 1483 req->type = ix;
1085 req->sv1 = newSVsv (fh); 1484 req->sv1 = newSVsv (fh);
1086 req->int1 = fd; 1485 req->int1 = fd;
1087 1486
1088 REQ_SEND (req); 1487 REQ_SEND;
1089} 1488}
1090 1489
1091void 1490void
1092aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1491aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1093 PPCODE: 1492 PPCODE:
1094{ 1493{
1095 int fd = s_fileno_croak (fh, 0); 1494 int fd = s_fileno_croak (fh, 0);
1096 dREQ; 1495 dREQ;
1097 1496
1098 req->type = EIO_SYNC_FILE_RANGE; 1497 req->type = EIO_SYNC_FILE_RANGE;
1099 req->sv1 = newSVsv (fh); 1498 req->sv1 = newSVsv (fh);
1100 req->int1 = fd; 1499 req->int1 = fd;
1101 req->offs = offset; 1500 req->offs = offset;
1102 req->size = nbytes; 1501 req->size = nbytes;
1103 req->int2 = flags; 1502 req->int2 = flags;
1104 1503
1105 REQ_SEND (req); 1504 REQ_SEND;
1106} 1505}
1107 1506
1108void 1507void
1109aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1508aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1110 PPCODE: 1509 PPCODE:
1111{ 1510{
1112 int fd = s_fileno_croak (fh, 0); 1511 int fd = s_fileno_croak (fh, 0);
1113 dREQ; 1512 dREQ;
1114 1513
1115 req->type = EIO_FALLOCATE; 1514 req->type = EIO_FALLOCATE;
1116 req->sv1 = newSVsv (fh); 1515 req->sv1 = newSVsv (fh);
1117 req->int1 = fd; 1516 req->int1 = fd;
1118 req->int2 = mode; 1517 req->int2 = mode;
1119 req->offs = offset; 1518 req->offs = offset;
1120 req->size = len; 1519 req->size = len;
1121 1520
1122 REQ_SEND (req); 1521 REQ_SEND;
1123} 1522}
1124 1523
1125void 1524void
1126aio_close (SV *fh, SV *callback=&PL_sv_undef) 1525aio_close (SV *fh, SV *callback = &PL_sv_undef)
1127 PPCODE: 1526 PPCODE:
1128{ 1527{
1129 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1130 int fd = s_fileno_croak (fh, 0); 1528 int fd = s_fileno_croak (fh, 0);
1131 dREQ; 1529 dREQ;
1530#if 0
1531 /* partially duplicate logic in s_fileno */
1532 SvGETMAGIC (fh);
1132 1533
1133 if (expect_false (close_fd < 0)) 1534 if (SvROK (fh))
1535 {
1536 fh = SvRV (fh);
1537 SvGETMAGIC (fh);
1538 }
1539
1540 if (SvTYPE (fh) == SVt_PVGV)
1134 { 1541 {
1135 int pipefd [2]; 1542 /* perl filehandle */
1543 PerlIOUnix_refcnt_inc (fd);
1544 do_close ((GV *)fh, 1);
1136 1545
1137 if ( 1546 req->type = EIO_CLOSE;
1138#ifdef _WIN32 1547 req->int1 = fd;
1139 _pipe (pipefd, 1, _O_BINARY) < 0 1548 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1140#else
1141 pipe (pipefd) < 0
1142 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1143#endif
1144 || close (pipefd [1]) < 0
1145 )
1146 abort (); /*D*/
1147
1148 close_fd = pipefd [0];
1149 } 1549 }
1150 1550 else
1551#endif
1552 {
1553 /* fd number */
1151 req->type = EIO_DUP2; 1554 req->type = EIO_DUP2;
1152 req->int1 = close_fd; 1555 req->int1 = close_fd;
1556 req->sv2 = newSVsv (fh);
1557 req->int2 = fd;
1558 }
1559
1560 REQ_SEND;
1561}
1562
1563void
1564aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1565 PPCODE:
1566{
1567 int fd = s_fileno_croak (fh, 0);
1568 dREQ;
1569
1570 req->type = EIO_SEEK;
1153 req->sv2 = newSVsv (fh); 1571 req->sv1 = newSVsv (fh);
1154 req->int2 = fd; 1572 req->int1 = fd;
1573 req->offs = SvVAL64 (offset);
1574 req->int2 = whence;
1155 1575
1156 REQ_SEND (req); 1576 REQ_SEND;
1157} 1577}
1158 1578
1159void 1579void
1160aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1580aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1161 ALIAS: 1581 ALIAS:
1162 aio_read = EIO_READ 1582 aio_read = EIO_READ
1163 aio_write = EIO_WRITE 1583 aio_write = EIO_WRITE
1164 PPCODE: 1584 PPCODE:
1165{ 1585{
… …
1181 len = svlen - dataoffset; 1601 len = svlen - dataoffset;
1182 } 1602 }
1183 else 1603 else
1184 { 1604 {
1185 /* read: check type and grow scalar as necessary */ 1605 /* read: check type and grow scalar as necessary */
1186 SvUPGRADE (data, SVt_PV); 1606 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1187 svptr = SvGROW (data, len + dataoffset + 1); 1607 svptr = sv_grow (data, len + dataoffset + 1);
1608 else if (SvCUR (data) < len + dataoffset)
1609 croak ("length + dataoffset outside of scalar, and cannot grow");
1188 } 1610 }
1189 1611
1190 { 1612 {
1191 dREQ; 1613 dREQ;
1192 1614
… …
1208 REQ_SEND; 1630 REQ_SEND;
1209 } 1631 }
1210} 1632}
1211 1633
1212void 1634void
1635aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1636 ALIAS:
1637 aio_ioctl = EIO_IOCTL
1638 aio_fcntl = EIO_FCNTL
1639 PPCODE:
1640{
1641 int fd = s_fileno_croak (fh, 0);
1642 char *svptr;
1643
1644 if (SvPOK (arg) || !SvNIOK (arg))
1645 {
1646 STRLEN svlen;
1647 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1648#ifdef IOCPARM_LEN
1649 STRLEN need = IOCPARM_LEN (request);
1650#else
1651 STRLEN need = 256;
1652#endif
1653
1654 if (svlen < need)
1655 svptr = SvGROW (arg, need);
1656 }
1657 else
1658 svptr = (char *)SvIV (arg);
1659
1660 {
1661 dREQ;
1662
1663 req->type = ix;
1664 req->sv1 = newSVsv (fh);
1665 req->int1 = fd;
1666 req->int2 = (long)request;
1667 req->sv2 = SvREFCNT_inc (arg);
1668 req->ptr2 = svptr;
1669
1670 REQ_SEND;
1671 }
1672}
1673
1674void
1213aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1675aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1214 ALIAS: 1676 ALIAS:
1215 aio_readlink = EIO_READLINK 1677 aio_readlink = EIO_READLINK
1216 aio_realpath = EIO_REALPATH 1678 aio_realpath = EIO_REALPATH
1217 PPCODE: 1679 PPCODE:
1218{ 1680{
… …
1223 1685
1224 REQ_SEND; 1686 REQ_SEND;
1225} 1687}
1226 1688
1227void 1689void
1228aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1690aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1229 PPCODE: 1691 PPCODE:
1230{ 1692{
1231 int ifd = s_fileno_croak (in_fh , 0); 1693 int ifd = s_fileno_croak (in_fh , 0);
1232 int ofd = s_fileno_croak (out_fh, 1); 1694 int ofd = s_fileno_croak (out_fh, 1);
1233 dREQ; 1695 dREQ;
1234 1696
1235 req->type = EIO_SENDFILE; 1697 req->type = EIO_SENDFILE;
1236 req->sv1 = newSVsv (out_fh); 1698 req->sv1 = newSVsv (out_fh);
1237 req->int1 = ofd; 1699 req->int1 = ofd;
… …
1242 1704
1243 REQ_SEND; 1705 REQ_SEND;
1244} 1706}
1245 1707
1246void 1708void
1247aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1709aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1248 PPCODE: 1710 PPCODE:
1249{ 1711{
1250 int fd = s_fileno_croak (fh, 0); 1712 int fd = s_fileno_croak (fh, 0);
1251 dREQ; 1713 dREQ;
1252 1714
1253 req->type = EIO_READAHEAD; 1715 req->type = EIO_READAHEAD;
1254 req->sv1 = newSVsv (fh); 1716 req->sv1 = newSVsv (fh);
1255 req->int1 = fd; 1717 req->int1 = fd;
… …
1258 1720
1259 REQ_SEND; 1721 REQ_SEND;
1260} 1722}
1261 1723
1262void 1724void
1263aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1725aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1264 ALIAS: 1726 ALIAS:
1265 aio_stat = EIO_STAT 1727 aio_stat = EIO_STAT
1266 aio_lstat = EIO_LSTAT 1728 aio_lstat = EIO_LSTAT
1267 aio_statvfs = EIO_STATVFS 1729 aio_statvfs = EIO_STATVFS
1268 PPCODE: 1730 PPCODE:
1269{ 1731{
1270 dREQ; 1732 dREQ;
1271 1733
1272 req->sv1 = newSVsv (fh_or_path);
1273 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1734 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1735
1274 REQ_SEND; 1736 REQ_SEND;
1275} 1737}
1738
1739void
1740st_xtime ()
1741 ALIAS:
1742 st_atime = 0x01
1743 st_mtime = 0x02
1744 st_ctime = 0x04
1745 st_btime = 0x08
1746 st_xtime = 0x0f
1747 PPCODE:
1748 EXTEND (SP, 4);
1749 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1750 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1751 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1752 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1753
1754void
1755st_xtimensec ()
1756 ALIAS:
1757 st_atimensec = 0x01
1758 st_mtimensec = 0x02
1759 st_ctimensec = 0x04
1760 st_btimensec = 0x08
1761 st_xtimensec = 0x0f
1762 st_btimesec = 0x10
1763 st_gen = 0x20
1764 PPCODE:
1765 EXTEND (SP, 4);
1766 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1767 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1768 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1769 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1770 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1771 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1276 1772
1277UV 1773UV
1278major (UV dev) 1774major (UV dev)
1279 ALIAS: 1775 ALIAS:
1280 minor = 1 1776 minor = 1
1281 CODE: 1777 CODE:
1282 RETVAL = ix ? major (dev) : minor (dev); 1778 RETVAL = ix ? minor (dev) : major (dev);
1283 OUTPUT: 1779 OUTPUT:
1284 RETVAL 1780 RETVAL
1285 1781
1286UV 1782UV
1287makedev (UV maj, UV min) 1783makedev (UV maj, UV min)
… …
1289 RETVAL = makedev (maj, min); 1785 RETVAL = makedev (maj, min);
1290 OUTPUT: 1786 OUTPUT:
1291 RETVAL 1787 RETVAL
1292 1788
1293void 1789void
1294aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1790aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1295 PPCODE: 1791 PPCODE:
1296{ 1792{
1297 dREQ; 1793 dREQ;
1298 1794
1299 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1795 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1302 1798
1303 REQ_SEND; 1799 REQ_SEND;
1304} 1800}
1305 1801
1306void 1802void
1307aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1803aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1308 PPCODE: 1804 PPCODE:
1309{ 1805{
1310 dREQ; 1806 dREQ;
1311 1807
1312 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1808 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1314 1810
1315 REQ_SEND; 1811 REQ_SEND;
1316} 1812}
1317 1813
1318void 1814void
1319aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1815aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1320 ALIAS:
1321 aio_chmod = EIO_CHMOD
1322 aio_mkdir = EIO_MKDIR
1323 PPCODE: 1816 PPCODE:
1324{ 1817{
1325 dREQ; 1818 dREQ;
1326 1819
1327 req->int2 = mode; 1820 req->int2 = mode;
… …
1329 1822
1330 REQ_SEND; 1823 REQ_SEND;
1331} 1824}
1332 1825
1333void 1826void
1334aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1827aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1335 PPCODE: 1828 PPCODE:
1336{ 1829{
1337 dREQ; 1830 dREQ;
1338 1831
1339 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1832 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1342 1835
1343 REQ_SEND; 1836 REQ_SEND;
1344} 1837}
1345 1838
1346void 1839void
1347aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1840aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1348 PPCODE: 1841 PPCODE:
1349{ 1842{
1350 dREQ; 1843 dREQ;
1351 1844
1352 req->type = EIO_READDIR; 1845 req->type = EIO_READDIR;
1353 req->sv1 = newSVsv (pathname);
1354 req->ptr1 = SvPVbyte_nolen (req->sv1);
1355 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1846 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1356 1847
1357 if (flags & EIO_READDIR_DENTS) 1848 if (flags & EIO_READDIR_DENTS)
1358 req->int1 |= EIO_READDIR_CUSTOM2; 1849 req->int1 |= EIO_READDIR_CUSTOM2;
1359 1850
1851 req_set_path1 (req, pathname);
1852
1360 REQ_SEND; 1853 REQ_SEND;
1361} 1854}
1362 1855
1363void 1856void
1857aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1858 PPCODE:
1859{
1860 dREQ;
1861
1862 req->type = EIO_MKDIR;
1863 req->int2 = mode;
1864 req_set_path1 (req, pathname);
1865
1866 REQ_SEND;
1867}
1868
1869void
1364aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1870aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1365 ALIAS: 1871 ALIAS:
1366 aio_unlink = EIO_UNLINK 1872 aio_unlink = EIO_UNLINK
1367 aio_rmdir = EIO_RMDIR 1873 aio_rmdir = EIO_RMDIR
1368 aio_readdir = EIO_READDIR 1874 aio_readdir = EIO_READDIR
1369 PPCODE: 1875 PPCODE:
… …
1375 1881
1376 REQ_SEND; 1882 REQ_SEND;
1377} 1883}
1378 1884
1379void 1885void
1380aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1886aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1381 ALIAS: 1887 ALIAS:
1382 aio_link = EIO_LINK 1888 aio_link = EIO_LINK
1383 aio_symlink = EIO_SYMLINK 1889 aio_symlink = EIO_SYMLINK
1384 aio_rename = EIO_RENAME 1890 aio_rename = EIO_RENAME
1385 PPCODE: 1891 PPCODE:
1386{ 1892{
1893 eio_wd wd2 = 0;
1387 dREQ; 1894 dREQ;
1388 eio_wd wd2;
1389 1895
1390 req->type = ix; 1896 req->type = ix;
1391 req_set_path1 (req, oldpath); 1897 req_set_path1 (req, oldpath);
1392 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1898 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1393 req->int3 = (long)wd2; 1899 req->int3 = (long)wd2;
1394 1900
1395 REQ_SEND; 1901 REQ_SEND;
1396} 1902}
1397 1903
1398void 1904void
1905aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1906 PPCODE:
1907{
1908 eio_wd wd2 = 0;
1909 dREQ;
1910
1911 req->type = EIO_RENAME;
1912 req_set_path1 (req, oldpath);
1913 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1914 req->int2 = flags;
1915 req->int3 = (long)wd2;
1916
1917 REQ_SEND;
1918}
1919
1920void
1399aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1921aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1400 PPCODE: 1922 PPCODE:
1401{ 1923{
1402 dREQ; 1924 dREQ;
1403 1925
1404 req->type = EIO_MKNOD; 1926 req->type = EIO_MKNOD;
… …
1408 1930
1409 REQ_SEND; 1931 REQ_SEND;
1410} 1932}
1411 1933
1412void 1934void
1413aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1935aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1414 ALIAS: 1936 ALIAS:
1415 aio_mtouch = EIO_MTOUCH 1937 aio_mtouch = EIO_MTOUCH
1416 aio_msync = EIO_MSYNC 1938 aio_msync = EIO_MSYNC
1417 PPCODE: 1939 PPCODE:
1418{ 1940{
1419 STRLEN svlen; 1941 STRLEN svlen;
1420 char *svptr = SvPVbyte (data, svlen); 1942 char *svptr = SvPVbyte (data, svlen);
1421 UV len = SvUV (length); 1943 UV len = SvUV (length);
1944
1945 if (flags < 0)
1946 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1422 1947
1423 if (offset < 0) 1948 if (offset < 0)
1424 offset += svlen; 1949 offset += svlen;
1425 1950
1426 if (offset < 0 || offset > svlen) 1951 if (offset < 0 || offset > svlen)
… …
1441 REQ_SEND; 1966 REQ_SEND;
1442 } 1967 }
1443} 1968}
1444 1969
1445void 1970void
1446aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1971aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1447 PPCODE: 1972 PPCODE:
1448{ 1973{
1449 STRLEN svlen; 1974 STRLEN svlen;
1450 char *svptr = SvPVbyte (data, svlen); 1975 char *svptr = SvPVbyte (data, svlen);
1451 UV len = SvUV (length); 1976 UV len = SvUV (length);
… …
1470 REQ_SEND; 1995 REQ_SEND;
1471 } 1996 }
1472} 1997}
1473 1998
1474void 1999void
1475aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2000aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1476 PPCODE: 2001 PPCODE:
1477{ 2002{
1478 dREQ; 2003 dREQ;
1479 2004
1480 req->type = EIO_MLOCKALL; 2005 req->type = EIO_MLOCKALL;
… …
1482 2007
1483 REQ_SEND; 2008 REQ_SEND;
1484} 2009}
1485 2010
1486void 2011void
2012aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2013 PPCODE:
2014{
2015 int fd = s_fileno_croak (fh, 0);
2016 dREQ;
2017
2018 req->type = EIO_CUSTOM;
2019 req->sv1 = newSVsv (fh);
2020 req->int1 = fd;
2021
2022 req->feed = fiemap;
2023#if HAVE_FIEMAP
2024 /* keep our fingers crossed that the next two types are 64 bit */
2025 req->offs = start;
2026 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2027 req->int2 = flags;
2028 req->int3 = SvOK (count) ? SvIV (count) : -1;
2029#endif
2030
2031 REQ_SEND;
2032}
2033
2034void
2035aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2036 PPCODE:
2037{
2038 char *svptr = 0;
2039
2040 sv_clear_foreign (data);
2041
2042 if (length) /* known length, directly read into scalar */
2043 {
2044 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2045 svptr = sv_grow (data, length + 1);
2046 else if (SvCUR (data) < length)
2047 croak ("length outside of scalar, and cannot grow");
2048 else
2049 svptr = SvPVbyte_nolen (data);
2050 }
2051
2052 {
2053 dREQ;
2054
2055 req->type = EIO_SLURP;
2056 req_set_path1 (req, pathname);
2057 req->offs = offset;
2058 req->size = length;
2059 req->sv2 = SvREFCNT_inc (data);
2060 req->ptr2 = svptr;
2061
2062 if (!SvREADONLY (data))
2063 {
2064 SvREADONLY_on (data);
2065 req->flags |= FLAG_SV2_RO_OFF;
2066 }
2067
2068 REQ_SEND;
2069 }
2070}
2071
2072void
1487aio_busy (double delay, SV *callback=&PL_sv_undef) 2073aio_busy (double delay, SV *callback = &PL_sv_undef)
1488 PPCODE: 2074 PPCODE:
1489{ 2075{
1490 dREQ; 2076 dREQ;
1491 2077
1492 req->type = EIO_BUSY; 2078 req->type = EIO_BUSY;
… …
1494 2080
1495 REQ_SEND; 2081 REQ_SEND;
1496} 2082}
1497 2083
1498void 2084void
1499aio_group (SV *callback=&PL_sv_undef) 2085aio_group (SV *callback = &PL_sv_undef)
1500 PPCODE: 2086 PPCODE:
1501{ 2087{
1502 dREQ; 2088 dREQ;
1503 2089
1504 req->type = EIO_GROUP; 2090 req->type = EIO_GROUP;
1505 2091
2092 PUTBACK;
1506 req_submit (req); 2093 req_submit (req);
2094 SPAGAIN;
2095
1507 XPUSHs (req_sv (req, aio_grp_stash)); 2096 XPUSHs (req_sv (req, aio_grp_stash));
1508} 2097}
1509 2098
1510void 2099void
1511aio_nop (SV *callback=&PL_sv_undef) 2100aio_nop (SV *callback = &PL_sv_undef)
1512 ALIAS: 2101 ALIAS:
1513 aio_nop = EIO_NOP 2102 aio_nop = EIO_NOP
1514 aio_sync = EIO_SYNC 2103 aio_sync = EIO_SYNC
1515 PPCODE: 2104 PPCODE:
1516{ 2105{
… …
1520 2109
1521 REQ_SEND; 2110 REQ_SEND;
1522} 2111}
1523 2112
1524int 2113int
1525aioreq_pri (int pri = 0) 2114aioreq_pri (int pri = NO_INIT)
1526 CODE: 2115 CODE:
1527 RETVAL = next_pri; 2116 RETVAL = next_pri;
1528 if (items > 0) 2117 if (items > 0)
1529 { 2118 {
1530 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2119 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1620 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2209 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1621 OUTPUT: 2210 OUTPUT:
1622 RETVAL 2211 RETVAL
1623 2212
1624void 2213void
1625mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2214mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1626 PPCODE: 2215 PPCODE:
1627 sv_unmagic (scalar, MMAP_MAGIC); 2216 sv_clear_foreign (scalar);
1628{ 2217{
1629 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2218 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1630 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2219 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1631 if (addr == (void *)-1) 2220 if (addr == (void *)-1)
1632 XSRETURN_NO; 2221 XSRETURN_NO;
1633 2222
1634 sv_force_normal (scalar); 2223 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1635
1636 /* we store the length in mg_obj, as namlen is I32 :/ */
1637 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1638 ->mg_obj = (SV *)length;
1639
1640 SvUPGRADE (scalar, SVt_PV); /* nop... */
1641 2224
1642 if (!(prot & PROT_WRITE)) 2225 if (!(prot & PROT_WRITE))
1643 SvREADONLY_on (scalar); 2226 SvREADONLY_on (scalar);
1644 2227
1645 if (SvLEN (scalar))
1646 Safefree (SvPVX (scalar));
1647
1648 SvPVX (scalar) = (char *)addr;
1649 SvCUR_set (scalar, length);
1650 SvLEN_set (scalar, 0);
1651 SvPOK_only (scalar);
1652
1653 XSRETURN_YES; 2228 XSRETURN_YES;
1654} 2229}
1655 2230
1656void 2231void
1657munmap (SV *scalar) 2232munmap (SV *scalar)
1658 CODE: 2233 CODE:
1659 sv_unmagic (scalar, MMAP_MAGIC); 2234 sv_clear_foreign (scalar);
2235
2236SV *
2237mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2238 CODE:
2239{
2240 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2241 void *new;
2242
2243 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2244 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2245
2246 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2247
2248 RETVAL = &PL_sv_no;
2249
2250 if (new != (void *)-1)
2251 {
2252 RETVAL = new == (void *)mg->mg_ptr
2253 ? newSVpvn ("0 but true", 10)
2254 : &PL_sv_yes;
2255
2256 mg->mg_ptr = (char *)new;
2257 mg->mg_obj = (SV *)new_length;
2258
2259 SvPVX (scalar) = mg->mg_ptr;
2260 SvCUR_set (scalar, new_length);
2261 }
2262}
2263 OUTPUT:
2264 RETVAL
1660 2265
1661int 2266int
1662madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2267madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1663 ALIAS: 2268 ALIAS:
1664 mprotect = 1 2269 mprotect = 1
1665 CODE: 2270 CODE:
1666{ 2271{
1667 STRLEN svlen; 2272 STRLEN svlen;
1668 void *addr = SvPVbyte (scalar, svlen); 2273 void *addr = SvPVbyte (scalar, svlen);
1669 size_t len = SvUV (length); 2274 STRLEN len = SvUV (length);
1670 2275
1671 if (offset < 0) 2276 if (offset < 0)
1672 offset += svlen; 2277 offset += svlen;
1673 2278
1674 if (offset < 0 || offset > svlen) 2279 if (offset < 0 || offset > svlen)
… …
1688} 2293}
1689 OUTPUT: 2294 OUTPUT:
1690 RETVAL 2295 RETVAL
1691 2296
1692int 2297int
1693munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2298munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1694 CODE: 2299 CODE:
1695{ 2300{
1696 STRLEN svlen; 2301 STRLEN svlen;
1697 void *addr = SvPVbyte (scalar, svlen); 2302 void *addr = SvPVbyte (scalar, svlen);
1698 size_t len = SvUV (length); 2303 size_t len = SvUV (length);
1699 2304
1700 if (offset < 0) 2305 if (offset < 0)
1701 offset += svlen; 2306 offset += svlen;
1702 2307
… …
1709 addr = (void *)(((intptr_t)addr) + offset); 2314 addr = (void *)(((intptr_t)addr) + offset);
1710 eio_page_align (&addr, &len); 2315 eio_page_align (&addr, &len);
1711#if _POSIX_MEMLOCK_RANGE 2316#if _POSIX_MEMLOCK_RANGE
1712 RETVAL = munlock (addr, len); 2317 RETVAL = munlock (addr, len);
1713#else 2318#else
1714 RETVAL = ((errno = ENOSYS), -1); 2319 RETVAL = EIO_ENOSYS ();
1715#endif 2320#endif
1716} 2321}
1717 OUTPUT: 2322 OUTPUT:
2323 RETVAL
2324
2325int
2326mlockall (int flags)
2327 PROTOTYPE: $;
2328 CODE:
2329 RETVAL = eio_mlockall_sync (flags);
2330 OUTPUT:
1718 RETVAL 2331 RETVAL
1719 2332
1720int 2333int
1721munlockall () 2334munlockall ()
1722 CODE: 2335 CODE:
1723#if _POSIX_MEMLOCK 2336#if _POSIX_MEMLOCK
1724 munlockall (); 2337 munlockall ();
1725#else 2338#else
1726 RETVAL = -1; 2339 RETVAL = EIO_ENOSYS ();
1727 errno = ENOSYS;
1728#endif 2340#endif
1729 OUTPUT: 2341 OUTPUT:
1730 RETVAL 2342 RETVAL
2343
2344int
2345statx (SV8 *pathname, int flags, UV mask)
2346 CODE:
2347{
2348 /* undocumented, and might go away, and anyway, should use eio_statx */
2349 SV *wdsv = 0;
2350 SV *pathsv = 0;
2351 eio_wd wd = EIO_CWD;
2352 void *ptr;
2353 int res;
2354
2355 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2356 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2357
2358 SvREFCNT_dec (pathsv);
2359 SvREFCNT_dec (wdsv);
2360}
2361 OUTPUT:
2362 RETVAL
2363
2364U32
2365stx_mode ()
2366 PROTOTYPE:
2367 CODE:
2368#if HAVE_STATX
2369 RETVAL = stx.stx_mode;
2370#else
2371 XSRETURN_UNDEF;
2372#endif
2373 OUTPUT:
2374 RETVAL
2375
2376#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2377#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2378#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2379#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2380#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2381#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2382#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2383#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2384#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2385#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2386#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2387#define STATX_OFFSET_size statx_offsetof (stx_size)
2388#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2389#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2390#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2391#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2392#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2393#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2394
2395U32
2396stx_mask ()
2397 PROTOTYPE:
2398 ALIAS:
2399 stx_mask = STATX_OFFSET_mask
2400 stx_blksize = STATX_OFFSET_blksize
2401 stx_nlink = STATX_OFFSET_nlink
2402 stx_uid = STATX_OFFSET_uid
2403 stx_gid = STATX_OFFSET_gid
2404 stx_rdev_major = STATX_OFFSET_rdev_major
2405 stx_rdev_minor = STATX_OFFSET_rdev_minor
2406 stx_dev_major = STATX_OFFSET_dev_major
2407 stx_dev_minor = STATX_OFFSET_dev_minor
2408 CODE:
2409#if HAVE_STATX
2410 RETVAL = *(__u32 *)((char *)&stx + ix);
2411#else
2412 XSRETURN_UNDEF;
2413#endif
2414 OUTPUT:
2415 RETVAL
2416
2417VAL64
2418stx_attributes ()
2419 PROTOTYPE:
2420 ALIAS:
2421 stx_attributes = STATX_OFFSET_attributes
2422 stx_ino = STATX_OFFSET_ino
2423 stx_size = STATX_OFFSET_size
2424 stx_blocks = STATX_OFFSET_blocks
2425 stx_attributes_mask = STATX_OFFSET_attributes_mask
2426 CODE:
2427#if HAVE_STATX
2428 RETVAL = *(__u64 *)((char *)&stx + ix);
2429#else
2430 XSRETURN_UNDEF;
2431#endif
2432 OUTPUT:
2433 RETVAL
2434
2435NV
2436stx_atime ()
2437 PROTOTYPE:
2438 ALIAS:
2439 stx_atime = STATX_OFFSET_atime
2440 stx_btime = STATX_OFFSET_btime
2441 stx_ctime = STATX_OFFSET_ctime
2442 stx_mtime = STATX_OFFSET_mtime
2443 CODE:
2444#if HAVE_STATX
2445 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2446 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2447#else
2448 XSRETURN_UNDEF;
2449#endif
2450 OUTPUT:
2451 RETVAL
2452
2453VAL64
2454stx_atimesec ()
2455 PROTOTYPE:
2456 ALIAS:
2457 stx_atimesec = STATX_OFFSET_atime
2458 stx_btimesec = STATX_OFFSET_btime
2459 stx_ctimesec = STATX_OFFSET_ctime
2460 stx_mtimesec = STATX_OFFSET_mtime
2461 CODE:
2462#if HAVE_STATX
2463 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2464 RETVAL = ts->tv_sec;
2465#else
2466 XSRETURN_UNDEF;
2467#endif
2468 OUTPUT:
2469 RETVAL
2470
2471U32
2472stx_atimensec ()
2473 PROTOTYPE:
2474 ALIAS:
2475 stx_atimensec = STATX_OFFSET_atime
2476 stx_btimensec = STATX_OFFSET_btime
2477 stx_ctimensec = STATX_OFFSET_ctime
2478 stx_mtimensec = STATX_OFFSET_mtime
2479 CODE:
2480#if HAVE_STATX
2481 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2482 RETVAL = ts->tv_nsec;
2483#else
2484 RETVAL = 0;
2485#endif
2486 OUTPUT:
2487 RETVAL
2488
2489int
2490splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2491 CODE:
2492{
2493#if HAVE_LINUX_SPLICE
2494 loff_t off_in_, off_out_;
2495 RETVAL = splice (
2496 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2497 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2498 length, flags
2499 );
2500#else
2501 RETVAL = EIO_ENOSYS ();
2502#endif
2503}
2504 OUTPUT:
2505 RETVAL
2506
2507int
2508tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2509 CODE:
2510#if HAVE_LINUX_SPLICE
2511 RETVAL = tee (rfh, wfh, length, flags);
2512#else
2513 RETVAL = EIO_ENOSYS ();
2514#endif
2515 OUTPUT:
2516 RETVAL
2517
2518int
2519pipesize (aio_rfd rfh, int new_size = -1)
2520 PROTOTYPE: $;$
2521 CODE:
2522#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2523 if (new_size >= 0)
2524 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2525 else
2526 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2527#else
2528 errno = ENOSYS;
2529 RETVAL = -1;
2530#endif
2531 OUTPUT:
2532 RETVAL
2533
2534void
2535pipe2 (int flags = 0)
2536 PROTOTYPE: ;$
2537 PPCODE:
2538{
2539 int fd[2];
2540 int res;
2541
2542 if (flags)
2543#if HAVE_PIPE2
2544 res = pipe2 (fd, flags);
2545#else
2546 res = (errno = ENOSYS, -1);
2547#endif
2548 else
2549 res = pipe (fd);
2550
2551 if (!res)
2552 {
2553 EXTEND (SP, 2);
2554 PUSHs (newmortalFH (fd[0], O_RDONLY));
2555 PUSHs (newmortalFH (fd[1], O_WRONLY));
2556 }
2557}
2558
2559void
2560eventfd (unsigned int initval = 0, int flags = 0)
2561 PPCODE:
2562{
2563 int fd;
2564#if HAVE_EVENTFD
2565 fd = eventfd (initval, flags);
2566#else
2567 fd = (errno = ENOSYS, -1);
2568#endif
2569
2570 XPUSHs (newmortalFH (fd, O_RDWR));
2571}
2572
2573void
2574timerfd_create (int clockid, int flags = 0)
2575 PPCODE:
2576{
2577 int fd;
2578#if HAVE_TIMERFD
2579 fd = timerfd_create (clockid, flags);
2580#else
2581 fd = (errno = ENOSYS, -1);
2582#endif
2583
2584 XPUSHs (newmortalFH (fd, O_RDWR));
2585}
2586
2587void
2588timerfd_settime (SV *fh, int flags, NV interval, NV value)
2589 PPCODE:
2590{
2591 int fd = s_fileno_croak (fh, 0);
2592#if HAVE_TIMERFD
2593 int res;
2594 struct itimerspec its, ots;
2595
2596 ts_set (&its.it_interval, interval);
2597 ts_set (&its.it_value , value);
2598 res = timerfd_settime (fd, flags, &its, &ots);
2599
2600 if (!res)
2601 {
2602 EXTEND (SP, 2);
2603 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2604 PUSHs (newSVnv (ts_get (&ots.it_value)));
2605 }
2606#else
2607 errno = ENOSYS;
2608#endif
2609}
2610
2611void
2612timerfd_gettime (SV *fh)
2613 PPCODE:
2614{
2615 int fd = s_fileno_croak (fh, 0);
2616#if HAVE_TIMERFD
2617 int res;
2618 struct itimerspec ots;
2619 res = timerfd_gettime (fd, &ots);
2620
2621 if (!res)
2622 {
2623 EXTEND (SP, 2);
2624 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2625 PUSHs (newSVnv (ts_get (&ots.it_value)));
2626 }
2627#else
2628 errno = ENOSYS;
2629#endif
2630}
2631
2632UV
2633get_fdlimit ()
2634 CODE:
2635#if HAVE_RLIMITS
2636 struct rlimit rl;
2637 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2638 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2639#endif
2640 XSRETURN_UNDEF;
2641 OUTPUT:
2642 RETVAL
2643
2644void
2645min_fdlimit (UV limit = 0x7fffffffU)
2646 CODE:
2647{
2648#if HAVE_RLIMITS
2649 struct rlimit rl;
2650 rlim_t orig_rlim_max;
2651 UV bit;
2652
2653 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2654 goto fail;
2655
2656 if (rl.rlim_cur == RLIM_INFINITY)
2657 XSRETURN_YES;
2658
2659 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2660
2661 if (rl.rlim_cur < limit)
2662 {
2663 rl.rlim_cur = limit;
2664
2665 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2666 rl.rlim_max = rl.rlim_cur;
2667 }
2668
2669 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2670 XSRETURN_YES;
2671
2672 if (errno == EPERM)
2673 {
2674 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2675 /* our limit overflows a system-wide limit */
2676 /* try an adaptive algorithm, but do not lower the hardlimit */
2677 rl.rlim_max = 0;
2678 for (bit = 0x40000000U; bit; bit >>= 1)
2679 {
2680 rl.rlim_max |= bit;
2681 rl.rlim_cur = rl.rlim_max;
2682
2683 /* nevr decrease the hard limit */
2684 if (rl.rlim_max < orig_rlim_max)
2685 break;
2686
2687 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2688 rl.rlim_max &= ~bit; /* too high, remove bit again */
2689 }
2690
2691 /* now, raise the soft limit to the max permitted */
2692 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2693 {
2694 rl.rlim_cur = rl.rlim_max;
2695 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2696 errno = EPERM;
2697 }
2698 }
2699#endif
2700 fail:
2701 XSRETURN_UNDEF;
2702}
1731 2703
1732void _on_next_submit (SV *cb) 2704void _on_next_submit (SV *cb)
1733 CODE: 2705 CODE:
1734 SvREFCNT_dec (on_next_submit); 2706 SvREFCNT_dec (on_next_submit);
1735 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2707 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1736 2708
1737PROTOTYPES: DISABLE 2709PROTOTYPES: DISABLE
1738 2710
1739MODULE = IO::AIO PACKAGE = IO::AIO::WD 2711MODULE = IO::AIO PACKAGE = IO::AIO::WD
1740 2712
2713BOOT:
2714{
2715 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2716 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2717}
2718
1741void 2719void
1742DESTROY (SV *self) 2720DESTROY (SV *self)
1743 CODE: 2721 CODE:
1744{ 2722{
1745 aio_wd wd = SvAIO_WD (self); 2723 aio_wd wd = SvAIO_WD (self);
1746#if HAVE_AT 2724#if HAVE_AT
2725 {
1747 SV *callback = &PL_sv_undef; 2726 SV *callback = &PL_sv_undef;
1748 dREQ; /* clobbers next_pri :/ */ 2727 dREQ; /* clobbers next_pri :/ */
2728 next_pri = req->pri; /* restore next_pri */
2729 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1749 req->type = EIO_WD_CLOSE; 2730 req->type = EIO_WD_CLOSE;
1750 req->wd = wd; 2731 req->wd = wd;
1751 REQ_SEND; 2732 REQ_SEND;
2733 }
1752#else 2734#else
1753 eio_wd_close_sync (wd); 2735 eio_wd_close_sync (wd);
1754#endif 2736#endif
1755} 2737}
1756 2738
… …
1760cancel (aio_req_ornot req) 2742cancel (aio_req_ornot req)
1761 CODE: 2743 CODE:
1762 eio_cancel (req); 2744 eio_cancel (req);
1763 2745
1764void 2746void
1765cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2747cb (aio_req_ornot req, SV *callback = NO_INIT)
1766 PPCODE: 2748 PPCODE:
1767{ 2749{
1768 if (GIMME_V != G_VOID) 2750 if (GIMME_V != G_VOID)
1769 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2751 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1770 2752
1771 if (items > 1) 2753 if (items > 1)
1772 { 2754 {
1773 SV *cb_cv =get_cb (callback); 2755 SV *cb_cv = get_cb (callback);
1774 2756
1775 SvREFCNT_dec (req->callback); 2757 SvREFCNT_dec (req->callback);
1776 req->callback = SvREFCNT_inc (cb_cv); 2758 req->callback = SvREFCNT_inc (cb_cv);
1777 } 2759 }
1778} 2760}
… …
1835limit (aio_req grp, int limit) 2817limit (aio_req grp, int limit)
1836 CODE: 2818 CODE:
1837 eio_grp_limit (grp, limit); 2819 eio_grp_limit (grp, limit);
1838 2820
1839void 2821void
1840feed (aio_req grp, SV *callback=&PL_sv_undef) 2822feed (aio_req grp, SV *callback = &PL_sv_undef)
1841 CODE: 2823 CODE:
1842{ 2824{
1843 SvREFCNT_dec (grp->sv2); 2825 SvREFCNT_dec (grp->sv2);
1844 grp->sv2 = newSVsv (callback); 2826 grp->sv2 = newSVsv (callback);
1845 grp->feed = aio_grp_feed; 2827 grp->feed = aio_grp_feed;

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