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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.201 by root, Thu Sep 29 09:57:12 2011 UTC vs.
Revision 1.263 by root, Sun Aug 12 06:03:20 2018 UTC

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 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 23#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 24# include <sys/mman.h>
25#endif
26
27/* the incompetent fool that created musl keeps __linux__, refuses
28 * to implement any linux standard apis, and also has no way to test
29 * for his broken iplementation. don't complain to me if this fails
30 * for you.
31 */
32#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
33# include <linux/fs.h>
34# ifdef FS_IOC_FIEMAP
35# include <linux/types.h>
36# include <linux/fiemap.h>
37# define HAVE_FIEMAP 1
38# endif
22#endif 39#endif
23 40
24/* perl namespace pollution */ 41/* perl namespace pollution */
25#undef VERSION 42#undef VERSION
26 43
62 #undef dup 79 #undef dup
63 #undef dup2 80 #undef dup2
64 #undef abort 81 #undef abort
65 #undef pipe 82 #undef pipe
66 83
84 #define EIO_STRUCT_STAT struct _stati64
85 #define EIO_STRUCT_STATI64
86
67#else 87#else
68 88
69 #include <sys/time.h> 89 #include <sys/time.h>
70 #include <sys/select.h> 90 #include <sys/select.h>
71 #include <unistd.h> 91 #include <unistd.h>
72 #include <utime.h> 92 #include <utime.h>
73 #include <signal.h> 93 #include <signal.h>
74 94
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 95 #define EIO_STRUCT_STAT Stat_t
78 96
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 97#endif
89 98
90/*****************************************************************************/ 99/*****************************************************************************/
91 100
92#if __GNUC__ >= 3 101#if __GNUC__ >= 3
97 106
98#define expect_false(expr) expect ((expr) != 0, 0) 107#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 108#define expect_true(expr) expect ((expr) != 0, 1)
100 109
101/*****************************************************************************/ 110/*****************************************************************************/
111
112#include "config.h"
113
114#if HAVE_ST_XTIMENSEC
115# define ATIMENSEC PL_statcache.st_atimensec
116# define MTIMENSEC PL_statcache.st_mtimensec
117# define CTIMENSEC PL_statcache.st_ctimensec
118#elif HAVE_ST_XTIMESPEC
119# define ATIMENSEC PL_statcache.st_atim.tv_nsec
120# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
121# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
122#else
123# define ATIMENSEC 0
124# define MTIMENSEC 0
125# define CTIMENSEC 0
126#endif
127
128#include "schmorp.h"
129
130#if HAVE_EVENTFD
131# include <sys/eventfd.h>
132#endif
133
134#if HAVE_TIMERFD
135# include <sys/timerfd.h>
136#endif
137
138#if HAVE_RLIMITS
139 #include <sys/time.h>
140 #include <sys/resource.h>
141#endif
102 142
103typedef SV SV8; /* byte-sv, used for argument-checking */ 143typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 144typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 145typedef int aio_wfd; /* write file descriptor */
106 146
113 STRLEN stroffset; \ 153 STRLEN stroffset; \
114 SV *self; 154 SV *self;
115 155
116#define EIO_NO_WRAPPERS 1 156#define EIO_NO_WRAPPERS 1
117 157
118#include "libeio/config.h"
119#include "libeio/eio.h" 158#include "libeio/eio.h"
120 159
121static int req_invoke (eio_req *req); 160static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 161#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 162static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 163#define EIO_DESTROY(req) req_destroy (req)
125 164
126#include "libeio/eio.c" 165#include "libeio/eio.c"
127 166
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 167#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 168# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 169#endif
196 170
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 171#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 172# 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 173#endif
291 174
292#ifndef MAP_ANONYMOUS 175#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 176# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 177# define MAP_ANONYMOUS MAP_ANON
295# else 178# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 179# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 180# endif
298#endif 181#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
314 182
315#ifndef makedev 183#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 184# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 185#endif
318#ifndef major 186#ifndef major
320#endif 188#endif
321#ifndef minor 189#ifndef minor
322# define minor(dev) ((dev) & 0xff) 190# define minor(dev) ((dev) & 0xff)
323#endif 191#endif
324 192
325#ifndef PAGESIZE 193#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 194# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 195#endif
196
197/*****************************************************************************/
198
199#if !_POSIX_MAPPED_FILES
200# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
201# define munmap(addr,length) EIO_ENOSYS ()
202#endif
203
204#if !_POSIX_MEMORY_PROTECTION
205# define mprotect(addr,len,prot) EIO_ENOSYS ()
206#endif
207
208#if !MREMAP_MAYMOVE
209# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
210#endif
211
212#define FOREIGN_MAGIC PERL_MAGIC_ext
213
214static int ecb_cold
215mmap_free (pTHX_ SV *sv, MAGIC *mg)
216{
217 int old_errno = errno;
218 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
219 errno = old_errno;
220
221 mg->mg_obj = 0; /* just in case */
222
223 SvREADONLY_off (sv);
224
225 if (SvPVX (sv) != mg->mg_ptr)
226 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
227
228 SvCUR_set (sv, 0);
229 SvPVX (sv) = 0;
230 SvOK_off (sv);
231
232 return 0;
233}
234
235static MGVTBL mmap_vtbl = {
236 0, 0, 0, 0, mmap_free
237};
238
239static int ecb_cold
240sysfree_free (pTHX_ SV *sv, MAGIC *mg)
241{
242 free (mg->mg_ptr);
243 mg->mg_obj = 0; /* just in case */
244
245 SvREADONLY_off (sv);
246
247 if (SvPVX (sv) != mg->mg_ptr)
248 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
249
250 SvCUR_set (sv, 0);
251 SvPVX (sv) = 0;
252 SvOK_off (sv);
253
254 return 0;
255}
256
257static MGVTBL sysfree_vtbl = {
258 0, 0, 0, 0, sysfree_free
259};
260
261/*****************************************************************************/
262
263/* helper: set scalar to foreign ptr with custom free */
264static void
265sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
266{
267 sv_force_normal (sv);
268
269 /* we store the length in mg_obj, as namlen is I32 :/ */
270 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
271 ->mg_obj = (SV *)length;
272
273 SvUPGRADE (sv, SVt_PV); /* nop... */
274
275 if (SvLEN (sv))
276 Safefree (SvPVX (sv));
277
278 SvPVX (sv) = (char *)addr;
279 SvCUR_set (sv, length);
280 SvLEN_set (sv, 0);
281 SvPOK_only (sv);
282}
283
284static void
285sv_clear_foreign (SV *sv)
286{
287 /* todo: iterate over magic and only free ours, but of course */
288 /* the perl5porters will call that (correct) behaviour buggy */
289 sv_unmagic (sv, FOREIGN_MAGIC);
290}
291
292/*****************************************************************************/
293
294/* defines all sorts of constants to 0 unless they are already defined */
295/* also provides const_iv_ and const_niv_ macros for them */
296#include "def0.h"
297
298/*****************************************************************************/
299
300static void
301fiemap (eio_req *req)
302{
303 req->result = -1;
304
305#if HAVE_FIEMAP
306 /* assume some c99 */
307 struct fiemap *fiemap = 0;
308 size_t end_offset;
309 int count = req->int3;
310
311 req->flags |= EIO_FLAG_PTR1_FREE;
312
313 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
314 /* increase in 3.5kb steps */
315 if (count < 0)
316 count = 8;
317
318 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
319 errno = ENOMEM;
320 if (!fiemap)
321 return;
322
323 req->ptr1 = fiemap;
324
325 fiemap->fm_start = req->offs;
326 fiemap->fm_length = req->size;
327 fiemap->fm_flags = req->int2;
328 fiemap->fm_extent_count = count;
329
330 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
331 return;
332
333 if (req->int3 >= 0 /* not autosizing */
334 || !fiemap->fm_mapped_extents /* no more extents */
335 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
336 goto done;
337
338 /* else we have to loop -
339 * it would be tempting (actually I tried that first) to just query the
340 * number of extents needed, but linux often feels like not returning all
341 * extents, without telling us it left any out. this complicates
342 * this quite a bit.
343 */
344
345 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
346
347 for (;;)
348 {
349 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
350 char scratch[3072];
351 struct fiemap *incmap = (struct fiemap *)scratch;
352
353 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
354 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
355 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
356 incmap->fm_flags = fiemap->fm_flags;
357 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
360 return;
361
362 if (!incmap->fm_mapped_extents)
363 goto done;
364
365 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
366 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
367 errno = ENOMEM;
368 if (!fiemap)
369 return;
370
371 req->ptr1 = fiemap;
372
373 for (count = 0; count < incmap->fm_mapped_extents; ++count)
374 {
375 struct fiemap_extent *e = incmap->fm_extents + count;
376
377 if (e->fe_logical + e->fe_length >= end_offset)
378 goto done;
379
380 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
381
382 if (e->fe_flags & FIEMAP_EXTENT_LAST)
383 goto done;
384
385 }
386 }
387
388done:
389 req->result = 0;
390
391#else
392 errno = ENOSYS;
393#endif
394}
395
396/*****************************************************************************/
328 397
329enum { 398enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 399 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 400};
332 401
371} 440}
372 441
373static SV * 442static SV *
374newSVaio_wd (aio_wd wd) 443newSVaio_wd (aio_wd wd)
375{ 444{
376 return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); 445 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377} 446}
378 447
379static aio_req 448static aio_req
380SvAIO_REQ (SV *sv) 449SvAIO_REQ (SV *sv)
381{ 450{
382 MAGIC *mg; 451 MAGIC *mg;
383 452
384 if (!SvROK (sv) 453 if (!SvROK (sv)
454 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
385 || (SvSTASH (SvRV (sv)) != aio_grp_stash 455 || (SvSTASH (SvRV (sv)) != aio_grp_stash
386 && SvSTASH (SvRV (sv)) != aio_req_stash 456 && SvSTASH (SvRV (sv)) != aio_req_stash
387 && !sv_derived_from (sv, "IO::AIO::REQ"))) 457 && !sv_derived_from (sv, "IO::AIO::REQ")))
388 croak ("object of class IO::AIO::REQ expected"); 458 croak ("object of class IO::AIO::REQ expected");
389 459
394 464
395static aio_wd 465static aio_wd
396SvAIO_WD (SV *sv) 466SvAIO_WD (SV *sv)
397{ 467{
398 if (!SvROK (sv) 468 if (!SvROK (sv)
469 || SvTYPE (SvRV (sv)) != SVt_PVMG
399 || SvSTASH (SvRV (sv)) != aio_wd_stash 470 || SvSTASH (SvRV (sv)) != aio_wd_stash)
400 || SvTYPE (SvRV (sv)) != SVt_PVMG)
401 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 471 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
402 472
403 return (aio_wd)(long)SvIVX (SvRV (sv)); 473 return (aio_wd)(long)SvIVX (SvRV (sv));
474}
475
476static SV *
477newmortalFH (int fd, int flags)
478{
479 if (fd < 0)
480 return &PL_sv_undef;
481
482 GV *gv = (GV *)sv_newmortal ();
483 char sym[64];
484 int symlen;
485
486 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
487 gv_init (gv, aio_stash, sym, symlen, 0);
488
489 symlen = snprintf (
490 sym,
491 sizeof (sym),
492 "%s&=%d",
493 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
494 fd
495 );
496
497 return do_open (gv, sym, symlen, 0, 0, 0, 0)
498 ? (SV *)gv : &PL_sv_undef;
404} 499}
405 500
406static void 501static void
407aio_grp_feed (aio_req grp) 502aio_grp_feed (aio_req grp)
408{ 503{
471 } 566 }
472 567
473 switch (req->type) 568 switch (req->type)
474 { 569 {
475 case EIO_WD_OPEN: 570 case EIO_WD_OPEN:
476 PUSHs (sv_2mortal (newSVaio_wd (req->wd))); 571 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
477 break; 572 break;
478 573
479 case EIO_READDIR: 574 case EIO_READDIR:
480 { 575 {
481 SV *rv = &PL_sv_undef; 576 SV *rv = &PL_sv_undef;
536 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 631 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
537 } 632 }
538 break; 633 break;
539 634
540 case EIO_OPEN: 635 case EIO_OPEN:
541 { 636 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
542 /* convert fd to fh */
543 SV *fh = &PL_sv_undef;
544
545 if (req->result >= 0)
546 {
547 GV *gv = (GV *)sv_newmortal ();
548 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
549 char sym [64];
550 int symlen;
551
552 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
553 gv_init (gv, aio_stash, sym, symlen, 0);
554
555 symlen = snprintf (
556 sym,
557 sizeof (sym),
558 "%s&=%d",
559 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
560 (int)req->result
561 );
562
563 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
564 fh = (SV *)gv;
565 }
566
567 PUSHs (fh);
568 }
569 break; 637 break;
570 638
571 case EIO_STATVFS: 639 case EIO_STATVFS:
572 case EIO_FSTATVFS: 640 case EIO_FSTATVFS:
573 { 641 {
576#ifndef _WIN32 644#ifndef _WIN32
577 if (req->result >= 0) 645 if (req->result >= 0)
578 { 646 {
579 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 647 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
580 HV *hv = newHV (); 648 HV *hv = newHV ();
649 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
650 * chooses to make it a struct.
651 */
652 unsigned long fsid = 0;
653 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
581 654
582 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 655 rv = sv_2mortal (newRV_noinc ((SV *)hv));
583 656
584 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 657 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
585 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 658 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
587 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 660 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
588 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 661 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
589 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 662 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
590 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 663 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
591 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 664 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
592 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 665 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
593 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 666 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
594 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 667 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
595 } 668 }
596#endif 669#endif
597 670
632 if (!(PL_laststatval = req->result)) 705 if (!(PL_laststatval = req->result))
633 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 706 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
634 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 707 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
635 708
636 PUSHs (sv_result); 709 PUSHs (sv_result);
710 break;
711
712 case EIO_SEEK:
713 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
637 break; 714 break;
638 715
639 case EIO_READ: 716 case EIO_READ:
640 { 717 {
641 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 718 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
644 SvSETMAGIC (req->sv2); 721 SvSETMAGIC (req->sv2);
645 PUSHs (sv_result); 722 PUSHs (sv_result);
646 } 723 }
647 break; 724 break;
648 725
726 case EIO_SLURP:
727 {
728 if (req->result >= 0)
729 {
730 /* if length was originally not known, we steal the malloc'ed memory */
731 if (req->flags & EIO_FLAG_PTR2_FREE)
732 {
733 req->flags &= ~EIO_FLAG_PTR2_FREE;
734 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
735 }
736 else
737 {
738 SvCUR_set (req->sv2, req->result);
739 *SvEND (req->sv2) = 0;
740 SvPOK_only (req->sv2);
741 }
742
743 SvSETMAGIC (req->sv2);
744 }
745
746 PUSHs (sv_result);
747 }
748 break;
749
750 case EIO_CUSTOM:
751 if (req->feed == fiemap)
752 {
753#if HAVE_FIEMAP
754 if (!req->result)
755 {
756 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
757
758 if (fiemap->fm_extent_count)
759 {
760 AV *av = newAV ();
761 int i;
762
763 while (fiemap->fm_mapped_extents)
764 {
765 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
766 AV *ext_av = newAV ();
767
768 av_store (ext_av, 3, newSVuv (extent->fe_flags));
769 av_store (ext_av, 2, newSVval64 (extent->fe_length));
770 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
771 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
772
773 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
774 }
775
776 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
777 }
778 else
779 {
780 SvIV_set (sv_result, fiemap->fm_mapped_extents);
781 PUSHs (sv_result);
782 }
783 }
784#endif
785 }
786 else
787 PUSHs (sv_result);
788 break;
789
649 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 790 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
650 if (req->result > 0) 791 if (req->result > 0)
651 SvIV_set (sv_result, 0); 792 SvIV_set (sv_result, 0);
652 /* FALLTHROUGH */ 793 /* FALLTHROUGH */
653 794
689 SvREFCNT_dec (req->sv2); 830 SvREFCNT_dec (req->sv2);
690 SvREFCNT_dec (req->sv3); 831 SvREFCNT_dec (req->sv3);
691 SvREFCNT_dec (req->sv4); 832 SvREFCNT_dec (req->sv4);
692 SvREFCNT_dec (req->callback); 833 SvREFCNT_dec (req->callback);
693 834
694 Safefree (req); 835 free (req);
695} 836}
696 837
697static void 838static void
698req_cancel_subs (aio_req grp) 839req_cancel_subs (aio_req grp)
699{ 840{
718{ 859{
719 while (eio_nreqs ()) 860 while (eio_nreqs ())
720 { 861 {
721 int size; 862 int size;
722 863
723 X_LOCK (reslock); 864 X_LOCK (EIO_POOL->reslock);
724 size = res_queue.size; 865 size = EIO_POOL->res_queue.size;
725 X_UNLOCK (reslock); 866 X_UNLOCK (EIO_POOL->reslock);
726 867
727 if (size) 868 if (size)
728 return; 869 return;
729 870
730 etp_maybe_start_thread (); 871 etp_maybe_start_thread (EIO_POOL);
731 872
732 s_epipe_wait (&respipe); 873 s_epipe_wait (&respipe);
733 } 874 }
734} 875}
735 876
759 croak ("IO::AIO: unable to initialise eio library"); 900 croak ("IO::AIO: unable to initialise eio library");
760} 901}
761 902
762/*****************************************************************************/ 903/*****************************************************************************/
763 904
764#if !_POSIX_MAPPED_FILES
765# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
766# define munmap(addr,length) (errno = ENOSYS, -1)
767#endif
768
769#if !_POSIX_MEMORY_PROTECTION
770# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
771# define PROT_NONE 0
772# define PROT_WRITE 0
773# define MAP_PRIVATE 0
774# define MAP_SHARED 0
775# define MAP_FIXED 0
776#endif
777
778#define MMAP_MAGIC PERL_MAGIC_ext
779
780static int ecb_cold
781mmap_free (pTHX_ SV *sv, MAGIC *mg)
782{
783 int old_errno = errno;
784 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
785 errno = old_errno;
786
787 mg->mg_obj = 0; /* just in case */
788
789 SvREADONLY_off (sv);
790
791 if (SvPVX (sv) != mg->mg_ptr)
792 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
793
794 SvCUR_set (sv, 0);
795 SvPVX (sv) = 0;
796 SvOK_off (sv);
797
798 return 0;
799}
800
801static MGVTBL mmap_vtbl = {
802 0, 0, 0, 0, mmap_free
803};
804
805/*****************************************************************************/
806
807static SV * 905static SV *
808get_cb (SV *cb_sv) 906get_cb (SV *cb_sv)
809{ 907{
810 SvGETMAGIC (cb_sv); 908 SvGETMAGIC (cb_sv);
811 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 909 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
812} 910}
813 911
912static aio_req ecb_noinline
913dreq (SV *callback)
914{
915 SV *cb_cv;
916 aio_req req;
917 int req_pri = next_pri;
918 next_pri = EIO_PRI_DEFAULT;
919
920 cb_cv = get_cb (callback);
921
922 req = calloc (sizeof (*req), 1);
923 if (!req)
924 croak ("out of memory during eio_req allocation");
925
926 req->callback = SvREFCNT_inc (cb_cv);
927 req->pri = req_pri;
928
929 return req;
930}
931
814#define dREQ \ 932#define dREQ \
815 SV *cb_cv; \ 933 aio_req req = dreq (callback); \
816 aio_req req; \
817 int req_pri = next_pri; \
818 next_pri = EIO_PRI_DEFAULT; \
819 \
820 cb_cv = get_cb (callback); \
821 \
822 Newz (0, req, 1, eio_req); \
823 if (!req) \
824 croak ("out of memory during eio_req allocation"); \
825 \
826 req->callback = SvREFCNT_inc (cb_cv); \
827 req->pri = req_pri
828 934
829#define REQ_SEND \ 935#define REQ_SEND \
830 PUTBACK; \ 936 PUTBACK; \
831 req_submit (req); \ 937 req_submit (req); \
832 SPAGAIN; \ 938 SPAGAIN; \
837ecb_inline void 943ecb_inline void
838req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 944req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
839{ 945{
840 if (expect_false (SvROK (path))) 946 if (expect_false (SvROK (path)))
841 { 947 {
842 AV *av = (AV *)SvRV (path); 948 SV *rv = SvRV (path);
843 SV *wdob; 949 SV *wdob;
844 950
845 if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) 951 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
846 croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs");
847
848 path = AvARRAY (av)[1];
849 wdob = AvARRAY (av)[0];
850
851 if (SvOK (wdob))
852 { 952 {
953 path = AvARRAY (rv)[1];
954 wdob = AvARRAY (rv)[0];
955
956 if (SvOK (wdob))
957 {
853 *wd = SvAIO_WD (wdob); 958 *wd = SvAIO_WD (wdob);
854 *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); 959 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
960 }
961 else
962 *wd = EIO_INVALID_WD;
963 }
964 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
965 {
966 *wd = (aio_wd)(long)SvIVX (rv);
967 *wdsv = SvREFCNT_inc_NN (rv);
968 *ptr = ".";
969 return; /* path set to "." */
855 } 970 }
856 else 971 else
857 *wd = EIO_INVALID_WD; 972 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
858 } 973 }
859 974
860 *pathsv = newSVsv (path); 975 *pathsv = newSVsv (path);
861 *ptr = SvPVbyte_nolen (*pathsv); 976 *ptr = SvPVbyte_nolen (*pathsv);
862} 977}
887 req_set_path1 (req, fh_or_path); 1002 req_set_path1 (req, fh_or_path);
888 break; 1003 break;
889 } 1004 }
890} 1005}
891 1006
1007/*****************************************************************************/
1008
1009static void
1010ts_set (struct timespec *ts, NV value)
1011{
1012 ts->tv_sec = value;
1013 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1014}
1015
1016static NV
1017ts_get (const struct timespec *ts)
1018{
1019 return ts->tv_sec + ts->tv_nsec * 1e-9;
1020}
1021
1022/*****************************************************************************/
1023
1024XS(boot_IO__AIO) ecb_cold;
1025
892MODULE = IO::AIO PACKAGE = IO::AIO 1026MODULE = IO::AIO PACKAGE = IO::AIO
893 1027
894PROTOTYPES: ENABLE 1028PROTOTYPES: ENABLE
895 1029
896BOOT: 1030BOOT:
900 IV iv; 1034 IV iv;
901 } *civ, const_iv[] = { 1035 } *civ, const_iv[] = {
902# define const_niv(name, value) { # name, (IV) value }, 1036# define const_niv(name, value) { # name, (IV) value },
903# define const_iv(name) { # name, (IV) name }, 1037# define const_iv(name) { # name, (IV) name },
904# define const_eio(name) { # name, (IV) EIO_ ## name }, 1038# define const_eio(name) { # name, (IV) EIO_ ## name },
1039
1040 /* you have to re-run ./gendef0 after adding/removing any constants here */
1041 /* the first block can be undef if missing */
1042 const_iv (ENOSYS)
905 const_iv (EXDEV) 1043 const_iv (EXDEV)
906 const_iv (ENOSYS) 1044 const_iv (EBADR)
1045
1046 /* for lseek */
1047 const_iv (SEEK_DATA)
1048 const_iv (SEEK_HOLE)
1049
1050 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1051 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1052 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1053 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1054 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1055 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1056
1057 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1058 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1059 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1060 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1061 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1062
1063 /* the second block will be 0 when missing */
1064 const_iv (O_ACCMODE)
1065
907 const_iv (O_RDONLY) 1066 const_iv (O_RDONLY)
908 const_iv (O_WRONLY) 1067 const_iv (O_WRONLY)
909 const_iv (O_RDWR) 1068 const_iv (O_RDWR)
910 const_iv (O_CREAT) 1069 const_iv (O_CREAT)
911 const_iv (O_TRUNC) 1070 const_iv (O_TRUNC)
924 const_iv (O_SEARCH) 1083 const_iv (O_SEARCH)
925 const_iv (O_DIRECTORY) 1084 const_iv (O_DIRECTORY)
926 const_iv (O_DSYNC) 1085 const_iv (O_DSYNC)
927 const_iv (O_RSYNC) 1086 const_iv (O_RSYNC)
928 const_iv (O_SYNC) 1087 const_iv (O_SYNC)
1088 const_iv (O_PATH)
1089 const_iv (O_TMPFILE)
929 const_iv (O_TTY_INIT) 1090 const_iv (O_TTY_INIT)
930 1091
931 const_iv (S_IFIFO) 1092 const_iv (S_IFIFO)
932 const_iv (S_IFCHR) 1093 const_iv (S_IFCHR)
933 const_iv (S_IFBLK) 1094 const_iv (S_IFBLK)
935 const_iv (S_IFREG) 1096 const_iv (S_IFREG)
936 const_iv (S_IFDIR) 1097 const_iv (S_IFDIR)
937 const_iv (S_IFWHT) 1098 const_iv (S_IFWHT)
938 const_iv (S_IFSOCK) 1099 const_iv (S_IFSOCK)
939 const_iv (S_IFMT) 1100 const_iv (S_IFMT)
940
941 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
942 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
943 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
944 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
945 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
946 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
947
948 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
949 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
950 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
951 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
952 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
953 1101
954 const_iv (ST_RDONLY) 1102 const_iv (ST_RDONLY)
955 const_iv (ST_NOSUID) 1103 const_iv (ST_NOSUID)
956 const_iv (ST_NODEV) 1104 const_iv (ST_NODEV)
957 const_iv (ST_NOEXEC) 1105 const_iv (ST_NOEXEC)
967 const_iv (PROT_NONE) 1115 const_iv (PROT_NONE)
968 const_iv (PROT_EXEC) 1116 const_iv (PROT_EXEC)
969 const_iv (PROT_READ) 1117 const_iv (PROT_READ)
970 const_iv (PROT_WRITE) 1118 const_iv (PROT_WRITE)
971 1119
972 /*const_iv (MAP_FIXED)*/
973 const_iv (MAP_PRIVATE) 1120 const_iv (MAP_PRIVATE)
974 const_iv (MAP_SHARED) 1121 const_iv (MAP_SHARED)
1122 const_iv (MAP_FIXED)
975 const_iv (MAP_ANONYMOUS) 1123 const_iv (MAP_ANONYMOUS)
976 1124
977 /* linuxish */ 1125 /* linuxish */
978 const_iv (MAP_HUGETLB)
979 const_iv (MAP_LOCKED) 1126 const_iv (MAP_LOCKED)
980 const_iv (MAP_NORESERVE) 1127 const_iv (MAP_NORESERVE)
981 const_iv (MAP_POPULATE) 1128 const_iv (MAP_POPULATE)
982 const_iv (MAP_NONBLOCK) 1129 const_iv (MAP_NONBLOCK)
1130 const_iv (MAP_GROWSDOWN)
1131 const_iv (MAP_32BIT)
1132 const_iv (MAP_HUGETLB)
1133 const_iv (MAP_STACK)
1134
1135 const_iv (MREMAP_MAYMOVE)
1136 const_iv (MREMAP_FIXED)
1137
1138 const_iv (F_DUPFD_CLOEXEC)
1139
1140 const_iv (MSG_CMSG_CLOEXEC)
1141 const_iv (SOCK_CLOEXEC)
1142
1143 const_iv (F_OFD_GETLK)
1144 const_iv (F_OFD_SETLK)
1145 const_iv (F_OFD_GETLKW)
1146
1147 const_iv (FIFREEZE)
1148 const_iv (FITHAW)
1149 const_iv (FITRIM)
1150 const_iv (FICLONE)
1151 const_iv (FICLONERANGE)
1152 const_iv (FIDEDUPERANGE)
1153
1154 const_iv (FS_IOC_GETFLAGS)
1155 const_iv (FS_IOC_SETFLAGS)
1156 const_iv (FS_IOC_GETVERSION)
1157 const_iv (FS_IOC_SETVERSION)
1158 const_iv (FS_IOC_FIEMAP)
1159 const_iv (FS_IOC_FSGETXATTR)
1160 const_iv (FS_IOC_FSSETXATTR)
1161 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1162 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1163 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1164
1165 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1166
1167 const_iv (FS_SECRM_FL)
1168 const_iv (FS_UNRM_FL)
1169 const_iv (FS_COMPR_FL)
1170 const_iv (FS_SYNC_FL)
1171 const_iv (FS_IMMUTABLE_FL)
1172 const_iv (FS_APPEND_FL)
1173 const_iv (FS_NODUMP_FL)
1174 const_iv (FS_NOATIME_FL)
1175 const_iv (FS_DIRTY_FL)
1176 const_iv (FS_COMPRBLK_FL)
1177 const_iv (FS_NOCOMP_FL)
1178 const_iv (FS_ENCRYPT_FL)
1179 const_iv (FS_BTREE_FL)
1180 const_iv (FS_INDEX_FL)
1181 const_iv (FS_JOURNAL_DATA_FL)
1182 const_iv (FS_NOTAIL_FL)
1183 const_iv (FS_DIRSYNC_FL)
1184 const_iv (FS_TOPDIR_FL)
1185 const_iv (FS_FL_USER_MODIFIABLE)
1186
1187 const_iv (FS_XFLAG_REALTIME)
1188 const_iv (FS_XFLAG_PREALLOC)
1189 const_iv (FS_XFLAG_IMMUTABLE)
1190 const_iv (FS_XFLAG_APPEND)
1191 const_iv (FS_XFLAG_SYNC)
1192 const_iv (FS_XFLAG_NOATIME)
1193 const_iv (FS_XFLAG_NODUMP)
1194 const_iv (FS_XFLAG_RTINHERIT)
1195 const_iv (FS_XFLAG_PROJINHERIT)
1196 const_iv (FS_XFLAG_NOSYMLINKS)
1197 const_iv (FS_XFLAG_EXTSIZE)
1198 const_iv (FS_XFLAG_EXTSZINHERIT)
1199 const_iv (FS_XFLAG_NODEFRAG)
1200 const_iv (FS_XFLAG_FILESTREAM)
1201 const_iv (FS_XFLAG_DAX)
1202 const_iv (FS_XFLAG_HASATTR)
1203
1204 const_iv (FIEMAP_FLAG_SYNC)
1205 const_iv (FIEMAP_FLAG_XATTR)
1206 const_iv (FIEMAP_FLAGS_COMPAT)
1207 const_iv (FIEMAP_EXTENT_LAST)
1208 const_iv (FIEMAP_EXTENT_UNKNOWN)
1209 const_iv (FIEMAP_EXTENT_DELALLOC)
1210 const_iv (FIEMAP_EXTENT_ENCODED)
1211 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1212 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1213 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1214 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1215 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1216 const_iv (FIEMAP_EXTENT_MERGED)
1217 const_iv (FIEMAP_EXTENT_SHARED)
1218
1219 const_iv (SPLICE_F_MOVE)
1220 const_iv (SPLICE_F_NONBLOCK)
1221 const_iv (SPLICE_F_MORE)
1222 const_iv (SPLICE_F_GIFT)
1223
1224 const_iv (EFD_CLOEXEC)
1225 const_iv (EFD_NONBLOCK)
1226 const_iv (EFD_SEMAPHORE)
1227
1228 const_iv (CLOCK_REALTIME)
1229 const_iv (CLOCK_MONOTONIC)
1230 const_iv (CLOCK_BOOTTIME)
1231 const_iv (CLOCK_REALTIME_ALARM)
1232 const_iv (CLOCK_BOOTTIME_ALARM)
1233
1234 const_iv (TFD_NONBLOCK)
1235 const_iv (TFD_CLOEXEC)
1236
1237 const_iv (TFD_TIMER_ABSTIME)
1238 const_iv (TFD_TIMER_CANCEL_ON_SET)
1239
1240 /* these are libeio constants, and are independent of gendef0 */
1241 const_eio (SEEK_SET)
1242 const_eio (SEEK_CUR)
1243 const_eio (SEEK_END)
983 1244
984 const_eio (MCL_FUTURE) 1245 const_eio (MCL_FUTURE)
985 const_eio (MCL_CURRENT) 1246 const_eio (MCL_CURRENT)
986 1247
987 const_eio (MS_ASYNC) 1248 const_eio (MS_ASYNC)
993 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1254 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
994 const_eio (SYNC_FILE_RANGE_WRITE) 1255 const_eio (SYNC_FILE_RANGE_WRITE)
995 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1256 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
996 1257
997 const_eio (FALLOC_FL_KEEP_SIZE) 1258 const_eio (FALLOC_FL_KEEP_SIZE)
1259 const_eio (FALLOC_FL_PUNCH_HOLE)
1260 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1261 const_eio (FALLOC_FL_ZERO_RANGE)
1262 const_eio (FALLOC_FL_INSERT_RANGE)
1263 const_eio (FALLOC_FL_UNSHARE_RANGE)
1264
1265 const_eio (RENAME_NOREPLACE)
1266 const_eio (RENAME_EXCHANGE)
1267 const_eio (RENAME_WHITEOUT)
998 1268
999 const_eio (READDIR_DENTS) 1269 const_eio (READDIR_DENTS)
1000 const_eio (READDIR_DIRS_FIRST) 1270 const_eio (READDIR_DIRS_FIRST)
1001 const_eio (READDIR_STAT_ORDER) 1271 const_eio (READDIR_STAT_ORDER)
1002 const_eio (READDIR_FOUND_UNKNOWN) 1272 const_eio (READDIR_FOUND_UNKNOWN)
1070 PROTOTYPE: $ 1340 PROTOTYPE: $
1071 CODE: 1341 CODE:
1072 max_outstanding = maxreqs; 1342 max_outstanding = maxreqs;
1073 1343
1074void 1344void
1075aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1345aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1076 PPCODE: 1346 PPCODE:
1077{ 1347{
1078 dREQ; 1348 dREQ;
1079 1349
1080 req->type = EIO_WD_OPEN; 1350 req->type = EIO_WD_OPEN;
1082 1352
1083 REQ_SEND; 1353 REQ_SEND;
1084} 1354}
1085 1355
1086void 1356void
1087aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1357aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1088 PPCODE: 1358 PPCODE:
1089{ 1359{
1090 dREQ; 1360 dREQ;
1091 1361
1092 req->type = EIO_OPEN; 1362 req->type = EIO_OPEN;
1096 1366
1097 REQ_SEND; 1367 REQ_SEND;
1098} 1368}
1099 1369
1100void 1370void
1101aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1371aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1102 ALIAS: 1372 ALIAS:
1103 aio_fsync = EIO_FSYNC 1373 aio_fsync = EIO_FSYNC
1104 aio_fdatasync = EIO_FDATASYNC 1374 aio_fdatasync = EIO_FDATASYNC
1105 aio_syncfs = EIO_SYNCFS 1375 aio_syncfs = EIO_SYNCFS
1106 PPCODE: 1376 PPCODE:
1107{ 1377{
1108 int fd = s_fileno_croak (fh, 0); 1378 int fd = s_fileno_croak (fh, 0);
1109 dREQ; 1379 dREQ;
1110 1380
1111 req->type = ix; 1381 req->type = ix;
1112 req->sv1 = newSVsv (fh); 1382 req->sv1 = newSVsv (fh);
1113 req->int1 = fd; 1383 req->int1 = fd;
1114 1384
1115 REQ_SEND (req); 1385 REQ_SEND;
1116} 1386}
1117 1387
1118void 1388void
1119aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1389aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1120 PPCODE: 1390 PPCODE:
1121{ 1391{
1122 int fd = s_fileno_croak (fh, 0); 1392 int fd = s_fileno_croak (fh, 0);
1123 dREQ; 1393 dREQ;
1124 1394
1125 req->type = EIO_SYNC_FILE_RANGE; 1395 req->type = EIO_SYNC_FILE_RANGE;
1126 req->sv1 = newSVsv (fh); 1396 req->sv1 = newSVsv (fh);
1127 req->int1 = fd; 1397 req->int1 = fd;
1128 req->offs = offset; 1398 req->offs = offset;
1129 req->size = nbytes; 1399 req->size = nbytes;
1130 req->int2 = flags; 1400 req->int2 = flags;
1131 1401
1132 REQ_SEND (req); 1402 REQ_SEND;
1133} 1403}
1134 1404
1135void 1405void
1136aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1406aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1137 PPCODE: 1407 PPCODE:
1138{ 1408{
1139 int fd = s_fileno_croak (fh, 0); 1409 int fd = s_fileno_croak (fh, 0);
1140 dREQ; 1410 dREQ;
1141 1411
1142 req->type = EIO_FALLOCATE; 1412 req->type = EIO_FALLOCATE;
1143 req->sv1 = newSVsv (fh); 1413 req->sv1 = newSVsv (fh);
1144 req->int1 = fd; 1414 req->int1 = fd;
1145 req->int2 = mode; 1415 req->int2 = mode;
1146 req->offs = offset; 1416 req->offs = offset;
1147 req->size = len; 1417 req->size = len;
1148 1418
1149 REQ_SEND (req); 1419 REQ_SEND;
1150} 1420}
1151 1421
1152void 1422void
1153aio_close (SV *fh, SV *callback=&PL_sv_undef) 1423aio_close (SV *fh, SV *callback = &PL_sv_undef)
1154 PPCODE: 1424 PPCODE:
1155{ 1425{
1156 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1426 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1157 int fd = s_fileno_croak (fh, 0); 1427 int fd = s_fileno_croak (fh, 0);
1158 dREQ; 1428 dREQ;
1159 1429
1160 if (expect_false (close_fd < 0)) 1430 if (expect_false (close_fd < 0))
1161 { 1431 {
1162 int pipefd [2]; 1432 int pipefd [2];
1178 req->type = EIO_DUP2; 1448 req->type = EIO_DUP2;
1179 req->int1 = close_fd; 1449 req->int1 = close_fd;
1180 req->sv2 = newSVsv (fh); 1450 req->sv2 = newSVsv (fh);
1181 req->int2 = fd; 1451 req->int2 = fd;
1182 1452
1183 REQ_SEND (req); 1453 REQ_SEND;
1184} 1454}
1185 1455
1186void 1456void
1457aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 dREQ;
1462
1463 req->type = EIO_SEEK;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->offs = SvVAL64 (offset);
1467 req->int2 = whence;
1468
1469 REQ_SEND;
1470}
1471
1472void
1187aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1473aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1188 ALIAS: 1474 ALIAS:
1189 aio_read = EIO_READ 1475 aio_read = EIO_READ
1190 aio_write = EIO_WRITE 1476 aio_write = EIO_WRITE
1191 PPCODE: 1477 PPCODE:
1192{ 1478{
1208 len = svlen - dataoffset; 1494 len = svlen - dataoffset;
1209 } 1495 }
1210 else 1496 else
1211 { 1497 {
1212 /* read: check type and grow scalar as necessary */ 1498 /* read: check type and grow scalar as necessary */
1213 SvUPGRADE (data, SVt_PV); 1499 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1214 svptr = SvGROW (data, len + dataoffset + 1); 1500 svptr = sv_grow (data, len + dataoffset + 1);
1501 else if (SvCUR (data) < len + dataoffset)
1502 croak ("length + dataoffset outside of scalar, and cannot grow");
1215 } 1503 }
1216 1504
1217 { 1505 {
1218 dREQ; 1506 dREQ;
1219 1507
1235 REQ_SEND; 1523 REQ_SEND;
1236 } 1524 }
1237} 1525}
1238 1526
1239void 1527void
1528aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1529 ALIAS:
1530 aio_ioctl = EIO_IOCTL
1531 aio_fcntl = EIO_FCNTL
1532 PPCODE:
1533{
1534 int fd = s_fileno_croak (fh, 0);
1535 char *svptr;
1536
1537 if (SvPOK (arg) || !SvNIOK (arg))
1538 {
1539 STRLEN svlen;
1540 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1541#ifdef IOCPARM_LEN
1542 STRLEN need = IOCPARM_LEN (request);
1543#else
1544 STRLEN need = 256;
1545#endif
1546
1547 if (svlen < need)
1548 svptr = SvGROW (arg, need);
1549 }
1550 else
1551 svptr = (char *)SvIV (arg);
1552
1553 {
1554 dREQ;
1555
1556 req->type = ix;
1557 req->sv1 = newSVsv (fh);
1558 req->int1 = fd;
1559 req->int2 = (long)request;
1560 req->sv2 = SvREFCNT_inc (arg);
1561 req->ptr2 = svptr;
1562
1563 REQ_SEND;
1564 }
1565}
1566
1567void
1240aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1568aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1241 ALIAS: 1569 ALIAS:
1242 aio_readlink = EIO_READLINK 1570 aio_readlink = EIO_READLINK
1243 aio_realpath = EIO_REALPATH 1571 aio_realpath = EIO_REALPATH
1244 PPCODE: 1572 PPCODE:
1245{ 1573{
1250 1578
1251 REQ_SEND; 1579 REQ_SEND;
1252} 1580}
1253 1581
1254void 1582void
1255aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1583aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1256 PPCODE: 1584 PPCODE:
1257{ 1585{
1258 int ifd = s_fileno_croak (in_fh , 0); 1586 int ifd = s_fileno_croak (in_fh , 0);
1259 int ofd = s_fileno_croak (out_fh, 1); 1587 int ofd = s_fileno_croak (out_fh, 1);
1260 dREQ; 1588 dREQ;
1261 1589
1262 req->type = EIO_SENDFILE; 1590 req->type = EIO_SENDFILE;
1263 req->sv1 = newSVsv (out_fh); 1591 req->sv1 = newSVsv (out_fh);
1264 req->int1 = ofd; 1592 req->int1 = ofd;
1269 1597
1270 REQ_SEND; 1598 REQ_SEND;
1271} 1599}
1272 1600
1273void 1601void
1274aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1602aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1275 PPCODE: 1603 PPCODE:
1276{ 1604{
1277 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
1278 dREQ; 1606 dREQ;
1279 1607
1280 req->type = EIO_READAHEAD; 1608 req->type = EIO_READAHEAD;
1281 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
1282 req->int1 = fd; 1610 req->int1 = fd;
1285 1613
1286 REQ_SEND; 1614 REQ_SEND;
1287} 1615}
1288 1616
1289void 1617void
1290aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1618aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1291 ALIAS: 1619 ALIAS:
1292 aio_stat = EIO_STAT 1620 aio_stat = EIO_STAT
1293 aio_lstat = EIO_LSTAT 1621 aio_lstat = EIO_LSTAT
1294 aio_statvfs = EIO_STATVFS 1622 aio_statvfs = EIO_STATVFS
1295 PPCODE: 1623 PPCODE:
1296{ 1624{
1297 dREQ; 1625 dREQ;
1298 1626
1299 req->sv1 = newSVsv (fh_or_path);
1300 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1627 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1628
1301 REQ_SEND; 1629 REQ_SEND;
1302} 1630}
1631
1632void
1633st_xtime ()
1634 ALIAS:
1635 st_atime = 1
1636 st_mtime = 2
1637 st_ctime = 4
1638 st_xtime = 7
1639 PPCODE:
1640 EXTEND (SP, 3);
1641 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1642 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1643 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1644
1645void
1646st_xtimensec ()
1647 ALIAS:
1648 st_atimensec = 1
1649 st_mtimensec = 2
1650 st_ctimensec = 4
1651 st_xtimensec = 7
1652 PPCODE:
1653 EXTEND (SP, 3);
1654 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1655 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1656 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1303 1657
1304UV 1658UV
1305major (UV dev) 1659major (UV dev)
1306 ALIAS: 1660 ALIAS:
1307 minor = 1 1661 minor = 1
1308 CODE: 1662 CODE:
1309 RETVAL = ix ? major (dev) : minor (dev); 1663 RETVAL = ix ? minor (dev) : major (dev);
1310 OUTPUT: 1664 OUTPUT:
1311 RETVAL 1665 RETVAL
1312 1666
1313UV 1667UV
1314makedev (UV maj, UV min) 1668makedev (UV maj, UV min)
1316 RETVAL = makedev (maj, min); 1670 RETVAL = makedev (maj, min);
1317 OUTPUT: 1671 OUTPUT:
1318 RETVAL 1672 RETVAL
1319 1673
1320void 1674void
1321aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1675aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1322 PPCODE: 1676 PPCODE:
1323{ 1677{
1324 dREQ; 1678 dREQ;
1325 1679
1326 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1680 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1329 1683
1330 REQ_SEND; 1684 REQ_SEND;
1331} 1685}
1332 1686
1333void 1687void
1334aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1688aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1335 PPCODE: 1689 PPCODE:
1336{ 1690{
1337 dREQ; 1691 dREQ;
1338 1692
1339 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1693 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1341 1695
1342 REQ_SEND; 1696 REQ_SEND;
1343} 1697}
1344 1698
1345void 1699void
1346aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1700aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1347 PPCODE: 1701 PPCODE:
1348{ 1702{
1349 dREQ; 1703 dREQ;
1350 1704
1351 req->int2 = mode; 1705 req->int2 = mode;
1353 1707
1354 REQ_SEND; 1708 REQ_SEND;
1355} 1709}
1356 1710
1357void 1711void
1358aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1712aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1359 PPCODE: 1713 PPCODE:
1360{ 1714{
1361 dREQ; 1715 dREQ;
1362 1716
1363 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1717 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1366 1720
1367 REQ_SEND; 1721 REQ_SEND;
1368} 1722}
1369 1723
1370void 1724void
1371aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1725aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1372 PPCODE: 1726 PPCODE:
1373{ 1727{
1374 dREQ; 1728 dREQ;
1375 1729
1376 req->type = EIO_READDIR; 1730 req->type = EIO_READDIR;
1383 1737
1384 REQ_SEND; 1738 REQ_SEND;
1385} 1739}
1386 1740
1387void 1741void
1388aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1742aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1389 PPCODE: 1743 PPCODE:
1390{ 1744{
1391 dREQ; 1745 dREQ;
1392 1746
1393 req->type = EIO_MKDIR; 1747 req->type = EIO_MKDIR;
1396 1750
1397 REQ_SEND; 1751 REQ_SEND;
1398} 1752}
1399 1753
1400void 1754void
1401aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1755aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1402 ALIAS: 1756 ALIAS:
1403 aio_unlink = EIO_UNLINK 1757 aio_unlink = EIO_UNLINK
1404 aio_rmdir = EIO_RMDIR 1758 aio_rmdir = EIO_RMDIR
1405 aio_readdir = EIO_READDIR 1759 aio_readdir = EIO_READDIR
1406 PPCODE: 1760 PPCODE:
1412 1766
1413 REQ_SEND; 1767 REQ_SEND;
1414} 1768}
1415 1769
1416void 1770void
1417aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1771aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1418 ALIAS: 1772 ALIAS:
1419 aio_link = EIO_LINK 1773 aio_link = EIO_LINK
1420 aio_symlink = EIO_SYMLINK 1774 aio_symlink = EIO_SYMLINK
1421 aio_rename = EIO_RENAME 1775 aio_rename = EIO_RENAME
1422 PPCODE: 1776 PPCODE:
1423{ 1777{
1778 eio_wd wd2 = 0;
1424 dREQ; 1779 dREQ;
1425 eio_wd wd2 = 0;
1426 1780
1427 req->type = ix; 1781 req->type = ix;
1428 req_set_path1 (req, oldpath); 1782 req_set_path1 (req, oldpath);
1429 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1783 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1430 req->int3 = (long)wd2; 1784 req->int3 = (long)wd2;
1431 1785
1432 REQ_SEND; 1786 REQ_SEND;
1433} 1787}
1434 1788
1435void 1789void
1790aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1791 PPCODE:
1792{
1793 eio_wd wd2 = 0;
1794 dREQ;
1795
1796 req->type = EIO_RENAME;
1797 req_set_path1 (req, oldpath);
1798 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1799 req->int2 = flags;
1800 req->int3 = (long)wd2;
1801
1802 REQ_SEND;
1803}
1804
1805void
1436aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1806aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1437 PPCODE: 1807 PPCODE:
1438{ 1808{
1439 dREQ; 1809 dREQ;
1440 1810
1441 req->type = EIO_MKNOD; 1811 req->type = EIO_MKNOD;
1445 1815
1446 REQ_SEND; 1816 REQ_SEND;
1447} 1817}
1448 1818
1449void 1819void
1450aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1820aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1451 ALIAS: 1821 ALIAS:
1452 aio_mtouch = EIO_MTOUCH 1822 aio_mtouch = EIO_MTOUCH
1453 aio_msync = EIO_MSYNC 1823 aio_msync = EIO_MSYNC
1454 PPCODE: 1824 PPCODE:
1455{ 1825{
1456 STRLEN svlen; 1826 STRLEN svlen;
1457 char *svptr = SvPVbyte (data, svlen); 1827 char *svptr = SvPVbyte (data, svlen);
1458 UV len = SvUV (length); 1828 UV len = SvUV (length);
1829
1830 if (flags < 0)
1831 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1459 1832
1460 if (offset < 0) 1833 if (offset < 0)
1461 offset += svlen; 1834 offset += svlen;
1462 1835
1463 if (offset < 0 || offset > svlen) 1836 if (offset < 0 || offset > svlen)
1478 REQ_SEND; 1851 REQ_SEND;
1479 } 1852 }
1480} 1853}
1481 1854
1482void 1855void
1483aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1856aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1484 PPCODE: 1857 PPCODE:
1485{ 1858{
1486 STRLEN svlen; 1859 STRLEN svlen;
1487 char *svptr = SvPVbyte (data, svlen); 1860 char *svptr = SvPVbyte (data, svlen);
1488 UV len = SvUV (length); 1861 UV len = SvUV (length);
1507 REQ_SEND; 1880 REQ_SEND;
1508 } 1881 }
1509} 1882}
1510 1883
1511void 1884void
1512aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1885aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1513 PPCODE: 1886 PPCODE:
1514{ 1887{
1515 dREQ; 1888 dREQ;
1516 1889
1517 req->type = EIO_MLOCKALL; 1890 req->type = EIO_MLOCKALL;
1519 1892
1520 REQ_SEND; 1893 REQ_SEND;
1521} 1894}
1522 1895
1523void 1896void
1897aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1898 PPCODE:
1899{
1900 int fd = s_fileno_croak (fh, 0);
1901 dREQ;
1902
1903 req->type = EIO_CUSTOM;
1904 req->sv1 = newSVsv (fh);
1905 req->int1 = fd;
1906
1907 req->feed = fiemap;
1908#if HAVE_FIEMAP
1909 /* keep our fingers crossed that the next two types are 64 bit */
1910 req->offs = start;
1911 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1912 req->int2 = flags;
1913 req->int3 = SvOK (count) ? SvIV (count) : -1;
1914#endif
1915
1916 REQ_SEND;
1917}
1918
1919void
1920aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1921 PPCODE:
1922{
1923 char *svptr = 0;
1924
1925 sv_clear_foreign (data);
1926
1927 if (length) /* known length, directly read into scalar */
1928 {
1929 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1930 svptr = sv_grow (data, length + 1);
1931 else if (SvCUR (data) < length)
1932 croak ("length outside of scalar, and cannot grow");
1933 else
1934 svptr = SvPVbyte_nolen (data);
1935 }
1936
1937 {
1938 dREQ;
1939
1940 req->type = EIO_SLURP;
1941 req_set_path1 (req, pathname);
1942 req->offs = offset;
1943 req->size = length;
1944 req->sv2 = SvREFCNT_inc (data);
1945 req->ptr2 = svptr;
1946
1947 if (!SvREADONLY (data))
1948 {
1949 SvREADONLY_on (data);
1950 req->flags |= FLAG_SV2_RO_OFF;
1951 }
1952
1953 REQ_SEND;
1954 }
1955}
1956
1957void
1524aio_busy (double delay, SV *callback=&PL_sv_undef) 1958aio_busy (double delay, SV *callback = &PL_sv_undef)
1525 PPCODE: 1959 PPCODE:
1526{ 1960{
1527 dREQ; 1961 dREQ;
1528 1962
1529 req->type = EIO_BUSY; 1963 req->type = EIO_BUSY;
1531 1965
1532 REQ_SEND; 1966 REQ_SEND;
1533} 1967}
1534 1968
1535void 1969void
1536aio_group (SV *callback=&PL_sv_undef) 1970aio_group (SV *callback = &PL_sv_undef)
1537 PPCODE: 1971 PPCODE:
1538{ 1972{
1539 dREQ; 1973 dREQ;
1540 1974
1541 req->type = EIO_GROUP; 1975 req->type = EIO_GROUP;
1542 1976
1977 PUTBACK;
1543 req_submit (req); 1978 req_submit (req);
1979 SPAGAIN;
1980
1544 XPUSHs (req_sv (req, aio_grp_stash)); 1981 XPUSHs (req_sv (req, aio_grp_stash));
1545} 1982}
1546 1983
1547void 1984void
1548aio_nop (SV *callback=&PL_sv_undef) 1985aio_nop (SV *callback = &PL_sv_undef)
1549 ALIAS: 1986 ALIAS:
1550 aio_nop = EIO_NOP 1987 aio_nop = EIO_NOP
1551 aio_sync = EIO_SYNC 1988 aio_sync = EIO_SYNC
1552 PPCODE: 1989 PPCODE:
1553{ 1990{
1557 1994
1558 REQ_SEND; 1995 REQ_SEND;
1559} 1996}
1560 1997
1561int 1998int
1562aioreq_pri (int pri = 0) 1999aioreq_pri (int pri = NO_INIT)
1563 CODE: 2000 CODE:
1564 RETVAL = next_pri; 2001 RETVAL = next_pri;
1565 if (items > 0) 2002 if (items > 0)
1566 { 2003 {
1567 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2004 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1657 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2094 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1658 OUTPUT: 2095 OUTPUT:
1659 RETVAL 2096 RETVAL
1660 2097
1661void 2098void
1662mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2099mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1663 PPCODE: 2100 PPCODE:
1664 sv_unmagic (scalar, MMAP_MAGIC); 2101 sv_clear_foreign (scalar);
1665{ 2102{
1666 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2103 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1667 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2104 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1668 if (addr == (void *)-1) 2105 if (addr == (void *)-1)
1669 XSRETURN_NO; 2106 XSRETURN_NO;
1670 2107
1671 sv_force_normal (scalar); 2108 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1672
1673 /* we store the length in mg_obj, as namlen is I32 :/ */
1674 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1675 ->mg_obj = (SV *)length;
1676
1677 SvUPGRADE (scalar, SVt_PV); /* nop... */
1678 2109
1679 if (!(prot & PROT_WRITE)) 2110 if (!(prot & PROT_WRITE))
1680 SvREADONLY_on (scalar); 2111 SvREADONLY_on (scalar);
1681 2112
1682 if (SvLEN (scalar))
1683 Safefree (SvPVX (scalar));
1684
1685 SvPVX (scalar) = (char *)addr;
1686 SvCUR_set (scalar, length);
1687 SvLEN_set (scalar, 0);
1688 SvPOK_only (scalar);
1689
1690 XSRETURN_YES; 2113 XSRETURN_YES;
1691} 2114}
1692 2115
1693void 2116void
1694munmap (SV *scalar) 2117munmap (SV *scalar)
1695 CODE: 2118 CODE:
1696 sv_unmagic (scalar, MMAP_MAGIC); 2119 sv_clear_foreign (scalar);
2120
2121SV *
2122mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2123 CODE:
2124{
2125 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2126 void *new;
2127
2128 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2129 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2130
2131 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2132
2133 RETVAL = &PL_sv_no;
2134
2135 if (new != (void *)-1)
2136 {
2137 RETVAL = new == (void *)mg->mg_ptr
2138 ? newSVpvn ("0 but true", 10)
2139 : &PL_sv_yes;
2140
2141 mg->mg_ptr = (char *)new;
2142 mg->mg_obj = (SV *)new_length;
2143
2144 SvPVX (scalar) = mg->mg_ptr;
2145 SvCUR_set (scalar, new_length);
2146 }
2147}
2148 OUTPUT:
2149 RETVAL
1697 2150
1698int 2151int
1699madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2152madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1700 ALIAS: 2153 ALIAS:
1701 mprotect = 1 2154 mprotect = 1
1702 CODE: 2155 CODE:
1703{ 2156{
1704 STRLEN svlen; 2157 STRLEN svlen;
1705 void *addr = SvPVbyte (scalar, svlen); 2158 void *addr = SvPVbyte (scalar, svlen);
1706 size_t len = SvUV (length); 2159 STRLEN len = SvUV (length);
1707 2160
1708 if (offset < 0) 2161 if (offset < 0)
1709 offset += svlen; 2162 offset += svlen;
1710 2163
1711 if (offset < 0 || offset > svlen) 2164 if (offset < 0 || offset > svlen)
1725} 2178}
1726 OUTPUT: 2179 OUTPUT:
1727 RETVAL 2180 RETVAL
1728 2181
1729int 2182int
1730munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2183munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1731 CODE: 2184 CODE:
1732{ 2185{
1733 STRLEN svlen; 2186 STRLEN svlen;
1734 void *addr = SvPVbyte (scalar, svlen); 2187 void *addr = SvPVbyte (scalar, svlen);
1735 size_t len = SvUV (length); 2188 size_t len = SvUV (length);
1736 2189
1737 if (offset < 0) 2190 if (offset < 0)
1738 offset += svlen; 2191 offset += svlen;
1739 2192
1746 addr = (void *)(((intptr_t)addr) + offset); 2199 addr = (void *)(((intptr_t)addr) + offset);
1747 eio_page_align (&addr, &len); 2200 eio_page_align (&addr, &len);
1748#if _POSIX_MEMLOCK_RANGE 2201#if _POSIX_MEMLOCK_RANGE
1749 RETVAL = munlock (addr, len); 2202 RETVAL = munlock (addr, len);
1750#else 2203#else
1751 RETVAL = ((errno = ENOSYS), -1); 2204 RETVAL = EIO_ENOSYS ();
1752#endif 2205#endif
1753} 2206}
1754 OUTPUT: 2207 OUTPUT:
1755 RETVAL 2208 RETVAL
1756 2209
1758munlockall () 2211munlockall ()
1759 CODE: 2212 CODE:
1760#if _POSIX_MEMLOCK 2213#if _POSIX_MEMLOCK
1761 munlockall (); 2214 munlockall ();
1762#else 2215#else
1763 RETVAL = -1; 2216 RETVAL = EIO_ENOSYS ();
1764 errno = ENOSYS;
1765#endif 2217#endif
1766 OUTPUT: 2218 OUTPUT:
1767 RETVAL 2219 RETVAL
2220
2221int
2222splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2223 CODE:
2224{
2225#if HAVE_LINUX_SPLICE
2226 loff_t off_in_, off_out_;
2227 RETVAL = splice (
2228 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2229 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2230 length, flags
2231 );
2232#else
2233 RETVAL = EIO_ENOSYS ();
2234#endif
2235}
2236 OUTPUT:
2237 RETVAL
2238
2239int
2240tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2241 CODE:
2242#if HAVE_LINUX_SPLICE
2243 RETVAL = tee (rfh, wfh, length, flags);
2244#else
2245 RETVAL = EIO_ENOSYS ();
2246#endif
2247 OUTPUT:
2248 RETVAL
2249
2250int
2251pipesize (aio_rfd rfh, int new_size = -1)
2252 PROTOTYPE: $;$
2253 CODE:
2254#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2255 if (new_size >= 0)
2256 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2257 else
2258 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2259#else
2260 errno = ENOSYS;
2261 RETVAL = -1;
2262#endif
2263 OUTPUT:
2264 RETVAL
2265
2266void
2267pipe2 (int flags = 0)
2268 PROTOTYPE: ;$
2269 PPCODE:
2270{
2271 int fd[2];
2272 int res;
2273
2274 if (flags)
2275#if HAVE_PIPE2
2276 res = pipe2 (fd, flags);
2277#else
2278 res = (errno = ENOSYS, -1);
2279#endif
2280 else
2281 res = pipe (fd);
2282
2283 if (!res)
2284 {
2285 EXTEND (SP, 2);
2286 PUSHs (newmortalFH (fd[0], O_RDONLY));
2287 PUSHs (newmortalFH (fd[1], O_WRONLY));
2288 }
2289}
2290
2291void
2292eventfd (unsigned int initval = 0, int flags = 0)
2293 PPCODE:
2294{
2295 int fd;
2296#if HAVE_EVENTFD
2297 fd = eventfd (initval, flags);
2298#else
2299 fd = (errno = ENOSYS, -1);
2300#endif
2301
2302 XPUSHs (newmortalFH (fd, O_RDWR));
2303}
2304
2305void
2306timerfd_create (int clockid, int flags = 0)
2307 PPCODE:
2308{
2309 int fd;
2310#if HAVE_TIMERFD
2311 fd = timerfd_create (clockid, flags);
2312#else
2313 fd = (errno = ENOSYS, -1);
2314#endif
2315
2316 XPUSHs (newmortalFH (fd, O_RDWR));
2317}
2318
2319void
2320timerfd_settime (SV *fh, int flags, NV interval, NV value)
2321 PPCODE:
2322{
2323 int fd = s_fileno_croak (fh, 0);
2324#if HAVE_TIMERFD
2325 int res;
2326 struct itimerspec its, ots;
2327
2328 ts_set (&its.it_interval, interval);
2329 ts_set (&its.it_value , value);
2330 res = timerfd_settime (fd, flags, &its, &ots);
2331
2332 if (!res)
2333 {
2334 EXTEND (SP, 2);
2335 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2336 PUSHs (newSVnv (ts_get (&ots.it_value)));
2337 }
2338#else
2339 errno = ENOSYS;
2340#endif
2341}
2342
2343void
2344timerfd_gettime (SV *fh)
2345 PPCODE:
2346{
2347 int fd = s_fileno_croak (fh, 0);
2348#if HAVE_TIMERFD
2349 int res;
2350 struct itimerspec ots;
2351 res = timerfd_gettime (fd, &ots);
2352
2353 if (!res)
2354 {
2355 EXTEND (SP, 2);
2356 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2357 PUSHs (newSVnv (ts_get (&ots.it_value)));
2358 }
2359#else
2360 errno = ENOSYS;
2361#endif
2362}
2363
2364UV
2365get_fdlimit ()
2366 CODE:
2367#if HAVE_RLIMITS
2368 struct rlimit rl;
2369 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2370 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2371#endif
2372 XSRETURN_UNDEF;
2373 OUTPUT:
2374 RETVAL
2375
2376void
2377min_fdlimit (UV limit = 0x7fffffffU)
2378 CODE:
2379{
2380#if HAVE_RLIMITS
2381 struct rlimit rl;
2382 rlim_t orig_rlim_max;
2383 UV bit;
2384
2385 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2386 goto fail;
2387
2388 if (rl.rlim_cur == RLIM_INFINITY)
2389 XSRETURN_YES;
2390
2391 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2392
2393 if (rl.rlim_cur < limit)
2394 {
2395 rl.rlim_cur = limit;
2396
2397 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2398 rl.rlim_max = rl.rlim_cur;
2399 }
2400
2401 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2402 XSRETURN_YES;
2403
2404 if (errno == EPERM)
2405 {
2406 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2407 /* our limit overflows a system-wide limit */
2408 /* try an adaptive algorithm, but do not lower the hardlimit */
2409 rl.rlim_max = 0;
2410 for (bit = 0x40000000U; bit; bit >>= 1)
2411 {
2412 rl.rlim_max |= bit;
2413 rl.rlim_cur = rl.rlim_max;
2414
2415 /* nevr decrease the hard limit */
2416 if (rl.rlim_max < orig_rlim_max)
2417 break;
2418
2419 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2420 rl.rlim_max &= ~bit; /* too high, remove bit again */
2421 }
2422
2423 /* now, raise the soft limit to the max permitted */
2424 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2425 {
2426 rl.rlim_cur = rl.rlim_max;
2427 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2428 errno = EPERM;
2429 }
2430 }
2431#endif
2432 fail:
2433 XSRETURN_UNDEF;
2434}
1768 2435
1769void _on_next_submit (SV *cb) 2436void _on_next_submit (SV *cb)
1770 CODE: 2437 CODE:
1771 SvREFCNT_dec (on_next_submit); 2438 SvREFCNT_dec (on_next_submit);
1772 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2439 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1785DESTROY (SV *self) 2452DESTROY (SV *self)
1786 CODE: 2453 CODE:
1787{ 2454{
1788 aio_wd wd = SvAIO_WD (self); 2455 aio_wd wd = SvAIO_WD (self);
1789#if HAVE_AT 2456#if HAVE_AT
2457 {
1790 SV *callback = &PL_sv_undef; 2458 SV *callback = &PL_sv_undef;
1791 dREQ; /* clobbers next_pri :/ */ 2459 dREQ; /* clobbers next_pri :/ */
2460 next_pri = req->pri; /* restore next_pri */
2461 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
1792 req->type = EIO_WD_CLOSE; 2462 req->type = EIO_WD_CLOSE;
1793 req->wd = wd; 2463 req->wd = wd;
1794 REQ_SEND; 2464 REQ_SEND;
2465 }
1795#else 2466#else
1796 eio_wd_close_sync (wd); 2467 eio_wd_close_sync (wd);
1797#endif 2468#endif
1798} 2469}
1799 2470
1803cancel (aio_req_ornot req) 2474cancel (aio_req_ornot req)
1804 CODE: 2475 CODE:
1805 eio_cancel (req); 2476 eio_cancel (req);
1806 2477
1807void 2478void
1808cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2479cb (aio_req_ornot req, SV *callback = NO_INIT)
1809 PPCODE: 2480 PPCODE:
1810{ 2481{
1811 if (GIMME_V != G_VOID) 2482 if (GIMME_V != G_VOID)
1812 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2483 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1813 2484
1814 if (items > 1) 2485 if (items > 1)
1815 { 2486 {
1816 SV *cb_cv =get_cb (callback); 2487 SV *cb_cv = get_cb (callback);
1817 2488
1818 SvREFCNT_dec (req->callback); 2489 SvREFCNT_dec (req->callback);
1819 req->callback = SvREFCNT_inc (cb_cv); 2490 req->callback = SvREFCNT_inc (cb_cv);
1820 } 2491 }
1821} 2492}
1878limit (aio_req grp, int limit) 2549limit (aio_req grp, int limit)
1879 CODE: 2550 CODE:
1880 eio_grp_limit (grp, limit); 2551 eio_grp_limit (grp, limit);
1881 2552
1882void 2553void
1883feed (aio_req grp, SV *callback=&PL_sv_undef) 2554feed (aio_req grp, SV *callback = &PL_sv_undef)
1884 CODE: 2555 CODE:
1885{ 2556{
1886 SvREFCNT_dec (grp->sv2); 2557 SvREFCNT_dec (grp->sv2);
1887 grp->sv2 = newSVsv (callback); 2558 grp->sv2 = newSVsv (callback);
1888 grp->feed = aio_grp_feed; 2559 grp->feed = aio_grp_feed;

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