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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 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/* the incompetent fool that created musl keeps __linux__, refuses
21# include <sys/mman.h> 24 * to implement any linux standard apis, and also has no way to test
25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
22#endif 35#endif
23 36
24/* perl namespace pollution */ 37/* perl namespace pollution */
25#undef VERSION 38#undef VERSION
26 39
… …
30#undef opendir 43#undef opendir
31#undef closedir 44#undef closedir
32 45
33#ifdef _WIN32 46#ifdef _WIN32
34 47
35 #define EIO_STRUCT_DIRENT Direntry_t 48 // perl overrides all those nice libc functions
49
36 #undef malloc 50 #undef malloc
37 #undef free 51 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open 52 #undef open
41 #undef read 53 #undef read
42 #undef write 54 #undef write
43 #undef send 55 #undef send
44 #undef recv 56 #undef recv
… …
62 #undef fchmod 74 #undef fchmod
63 #undef dup 75 #undef dup
64 #undef dup2 76 #undef dup2
65 #undef abort 77 #undef abort
66 #undef pipe 78 #undef pipe
79 #undef utime
80
81 #define EIO_STRUCT_STAT struct _stati64
82 #define EIO_STRUCT_STATI64
67 83
68#else 84#else
69 85
70 #include <sys/time.h> 86 #include <sys/time.h>
71 #include <sys/select.h> 87 #include <sys/select.h>
72 #include <unistd.h> 88 #include <unistd.h>
73 #include <utime.h> 89 #include <utime.h>
74 #include <signal.h> 90 #include <signal.h>
75 91
76#endif
77
78#define EIO_STRUCT_STAT Stat_t 92 #define EIO_STRUCT_STAT Stat_t
79 93
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else
86# define VAL64 NV
87# define SvVAL64 SvNV
88# define newSVval64 newSVnv
89#endif 94#endif
90 95
91/*****************************************************************************/ 96/*****************************************************************************/
92 97
93#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
104typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
107 170
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 172
110#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
111 SV *callback; \ 174 SV *callback; \
112 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 177 STRLEN stroffset; \
114 SV *self; 178 SV *self;
115 179
116#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
117 181
118#include "libeio/config.h"
119#include "libeio/eio.h" 182#include "libeio/eio.h"
120 183
121static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 187#define EIO_DESTROY(req) req_destroy (req)
125 188
126#include "libeio/eio.c" 189#include "libeio/eio.c"
127 190
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 191#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 193#endif
196 194
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 195#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 196# 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 197#endif
291 198
292#ifndef MAP_ANONYMOUS 199#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 200# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 201# define MAP_ANONYMOUS MAP_ANON
295# else 202# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 204# endif
298#endif 205#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
314 206
315#ifndef makedev 207#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 208# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 209#endif
318#ifndef major 210#ifndef major
… …
320#endif 212#endif
321#ifndef minor 213#ifndef minor
322# define minor(dev) ((dev) & 0xff) 214# define minor(dev) ((dev) & 0xff)
323#endif 215#endif
324 216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
325#ifndef PAGESIZE 219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 224#endif
225
226/*****************************************************************************/
227
228#if !_POSIX_MAPPED_FILES
229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
328 428
329enum { 429enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 431};
332 432
333typedef eio_req *aio_req; 433typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
335 436
336static SV *on_next_submit; 437static SV *on_next_submit;
337static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
338static int max_outstanding; 439static int max_outstanding;
339 440
340static s_epipe respipe; 441static s_epipe respipe;
341 442
342static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
343static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
344 445
345static void want_poll (void) 446static void
447want_poll (void)
346{ 448{
347 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
348 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
349} 451}
350 452
351static void done_poll (void) 453static void
454done_poll (void)
352{ 455{
353 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
354 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
355} 458}
356 459
357/* must be called at most once */ 460/* must be called at most once */
461static SV *
358static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
359{ 463{
360 if (!req->self) 464 if (!req->self)
361 { 465 {
362 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
363 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364 } 468 }
365 469
366 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367} 471}
368 472
369static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
370{ 481{
371 MAGIC *mg; 482 MAGIC *mg;
372 483
373 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
375 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
376 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
377 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
378 490
379 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380 492
381 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
382} 494}
383 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
384static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
385{ 534{
386 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
387 { 536 {
388 dSP; 537 dSP;
389 538
… …
397 FREETMPS; 546 FREETMPS;
398 LEAVE; 547 LEAVE;
399 } 548 }
400} 549}
401 550
551static void
402static void req_submit (eio_req *req) 552req_submit (eio_req *req)
403{ 553{
404 eio_submit (req); 554 eio_submit (req);
405 555
406 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
407 { 557 {
… …
414 PUTBACK; 564 PUTBACK;
415 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
416 } 566 }
417} 567}
418 568
569static int
419static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
420{ 571{
421 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
422 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
423 574
424 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
… …
445 SvREADONLY_on (sv_result); 596 SvREADONLY_on (sv_result);
446 } 597 }
447 598
448 switch (req->type) 599 switch (req->type)
449 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
450 case EIO_READDIR: 605 case EIO_READDIR:
451 { 606 {
452 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
453 608
454 if (req->result >= 0) 609 if (req->result >= 0)
… …
507 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
508 } 663 }
509 break; 664 break;
510 665
511 case EIO_OPEN: 666 case EIO_OPEN:
512 { 667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
513 /* convert fd to fh */
514 SV *fh = &PL_sv_undef;
515
516 if (req->result >= 0)
517 {
518 GV *gv = (GV *)sv_newmortal ();
519 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
520 char sym [64];
521 int symlen;
522
523 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
524 gv_init (gv, aio_stash, sym, symlen, 0);
525
526 symlen = snprintf (
527 sym,
528 sizeof (sym),
529 "%s&=%d",
530 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
531 (int)req->result
532 );
533
534 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
535 fh = (SV *)gv;
536 }
537
538 PUSHs (fh);
539 }
540 break; 668 break;
541 669
542 case EIO_STATVFS: 670 case EIO_STATVFS:
543 case EIO_FSTATVFS: 671 case EIO_FSTATVFS:
544 { 672 {
… …
547#ifndef _WIN32 675#ifndef _WIN32
548 if (req->result >= 0) 676 if (req->result >= 0)
549 { 677 {
550 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551 HV *hv = newHV (); 679 HV *hv = newHV ();
680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
681 * chooses to make it a struct.
682 */
683 unsigned long fsid = 0;
684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
552 685
553 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
554 687
555 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
556 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
558 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
559 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
560 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
561 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
562 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
563 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
565 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
566 } 699 }
567#endif 700#endif
568 701
… …
596 break; 729 break;
597 730
598 case EIO_STAT: 731 case EIO_STAT:
599 case EIO_LSTAT: 732 case EIO_LSTAT:
600 case EIO_FSTAT: 733 case EIO_FSTAT:
601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
602 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
739
605 PUSHs (sv_result); 740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606 break; 745 break;
607 746
608 case EIO_READ: 747 case EIO_READ:
609 { 748 {
610 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
613 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
614 PUSHs (sv_result); 753 PUSHs (sv_result);
615 } 754 }
616 break; 755 break;
617 756
757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619 if (req->result > 0) 822 if (req->result > 0)
620 SvIV_set (sv_result, 0); 823 SvIV_set (sv_result, 0);
621 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
622 825
… …
643 } 846 }
644 847
645 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
646} 849}
647 850
851static void
648static void req_destroy (aio_req req) 852req_destroy (aio_req req)
649{ 853{
650 if (req->self) 854 if (req->self)
651 { 855 {
652 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
653 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
654 } 858 }
655 859
656 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
657 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
658 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
659 865
660 Safefree (req); 866 free (req);
661} 867}
662 868
869static void
663static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
664{ 871{
665 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
666 return; 873 return;
667 874
668 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
669 grp->sv2 = 0; 876 grp->sv2 = 0;
670 877
671 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
672} 879}
673 880
881static void ecb_cold
674static void create_respipe (void) 882create_respipe (void)
675{ 883{
676 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
677 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
678} 886}
679 887
680static void poll_wait (void) 888static void
889poll_wait (void)
681{ 890{
682 while (eio_nreqs ()) 891 while (eio_nreqs ())
683 { 892 {
684 int size; 893 int size;
685 894
686 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
687 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
688 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
689 898
690 if (size) 899 if (size)
691 return; 900 return;
692 901
693 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
694 903
695 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
696 } 905 }
697} 906}
698 907
699static int poll_cb (void) 908static int
909poll_cb (void)
700{ 910{
701 for (;;) 911 for (;;)
702 { 912 {
703 int res = eio_poll (); 913 int res = eio_poll ();
704 914
… …
710 920
711 poll_wait (); 921 poll_wait ();
712 } 922 }
713} 923}
714 924
715static void atfork_child (void) 925static void ecb_cold
926reinit (void)
716{ 927{
717 create_respipe (); 928 create_respipe ();
929
930 if (eio_init (want_poll, done_poll) < 0)
931 croak ("IO::AIO: unable to initialise eio library");
718} 932}
719 933
720/*****************************************************************************/ 934/*****************************************************************************/
721 935
722#if !_POSIX_MAPPED_FILES 936static SV *
723# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
724# define munmap(addr,length) (errno = ENOSYS, -1)
725#endif
726
727#if !_POSIX_MEMORY_PROTECTION
728# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
729# define PROT_NONE 0
730# define PROT_WRITE 0
731# define MAP_PRIVATE 0
732# define MAP_SHARED 0
733# define MAP_FIXED 0
734#endif
735
736#define MMAP_MAGIC PERL_MAGIC_ext
737
738static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761
762/*****************************************************************************/
763
764static SV * get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
765{ 938{
766 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 941}
769 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
770#define dREQ \ 963#define dREQ \
771 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
772 aio_req req; \
773 int req_pri = next_pri; \
774 next_pri = EIO_PRI_DEFAULT; \
775 \
776 cb_cv = get_cb (callback); \
777 \
778 Newz (0, req, 1, eio_req); \
779 if (!req) \
780 croak ("out of memory during eio_req allocation"); \
781 \
782 req->callback = SvREFCNT_inc (cb_cv); \
783 req->pri = req_pri
784 965
785#define REQ_SEND \ 966#define REQ_SEND \
786 PUTBACK; \ 967 PUTBACK; \
787 req_submit (req); \ 968 req_submit (req); \
788 SPAGAIN; \ 969 SPAGAIN; \
789 \ 970 \
790 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
792 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
793MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
794 1058
795PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
796 1060
797BOOT: 1061BOOT:
… …
801 IV iv; 1065 IV iv;
802 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 1068# define const_iv(name) { # name, (IV) name },
805# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
806 const_iv (EXDEV) 1074 const_iv (EXDEV)
807 const_iv (ENOSYS) 1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
808 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
811 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
… …
825 const_iv (O_SEARCH) 1114 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY) 1115 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC) 1116 const_iv (O_DSYNC)
828 const_iv (O_RSYNC) 1117 const_iv (O_RSYNC)
829 const_iv (O_SYNC) 1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
830 const_iv (O_TTY_INIT) 1121 const_iv (O_TTY_INIT)
831 1122
832 const_iv (S_IFIFO) 1123 const_iv (S_IFIFO)
833 const_iv (S_IFCHR) 1124 const_iv (S_IFCHR)
834 const_iv (S_IFBLK) 1125 const_iv (S_IFBLK)
… …
836 const_iv (S_IFREG) 1127 const_iv (S_IFREG)
837 const_iv (S_IFDIR) 1128 const_iv (S_IFDIR)
838 const_iv (S_IFWHT) 1129 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK) 1130 const_iv (S_IFSOCK)
840 const_iv (S_IFMT) 1131 const_iv (S_IFMT)
841
842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854 1132
855 const_iv (ST_RDONLY) 1133 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID) 1134 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV) 1135 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC) 1136 const_iv (ST_NOEXEC)
… …
868 const_iv (PROT_NONE) 1146 const_iv (PROT_NONE)
869 const_iv (PROT_EXEC) 1147 const_iv (PROT_EXEC)
870 const_iv (PROT_READ) 1148 const_iv (PROT_READ)
871 const_iv (PROT_WRITE) 1149 const_iv (PROT_WRITE)
872 1150
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE) 1151 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
876 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
877 1155
878 /* linuxish */ 1156 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
884 1275
885 const_eio (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
887 1279
888 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
889 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
890 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
891 1283
… …
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 1287 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1288 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 1289
898 const_eio (FALLOC_FL_KEEP_SIZE) 1290 const_eio (FALLOC_FL_KEEP_SIZE)
1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
899 1300
900 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
901 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
902 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
903 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
914 }; 1315 };
915 1316
916 aio_stash = gv_stashpv ("IO::AIO" , 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
917 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919 1321
920 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922 1324
923 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924 1326
925 create_respipe (); 1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
926 1330
927 if (eio_init (want_poll, done_poll) < 0) 1331 if (
928 croak ("IO::AIO: unable to initialise eio library"); 1332#ifdef _WIN32
1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
929 1341
930 /* atfork child called in fifo order, so before eio's handler */ 1342 close_fd = pipefd [0];
931 X_THREAD_ATFORK (0, 0, atfork_child); 1343 }
1344
1345 reinit ();
932} 1346}
1347
1348void
1349reinit ()
1350 PROTOTYPE:
933 1351
934void 1352void
935max_poll_reqs (unsigned int nreqs) 1353max_poll_reqs (unsigned int nreqs)
936 PROTOTYPE: $ 1354 PROTOTYPE: $
937 CODE: 1355 CODE:
… …
972 PROTOTYPE: $ 1390 PROTOTYPE: $
973 CODE: 1391 CODE:
974 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
975 1393
976void 1394void
977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978 PPCODE: 1396 PPCODE:
979{ 1397{
980 dREQ; 1398 dREQ;
981 1399
1400 req->type = EIO_WD_OPEN;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1404}
1405
1406void
1407aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1408 PPCODE:
1409{
1410 dREQ;
1411
982 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
983 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
984 req->ptr1 = SvPVbyte_nolen (req->sv1);
985 req->int1 = flags; 1414 req->int1 = flags;
986 req->int2 = mode; 1415 req->int2 = mode;
987 1416
988 REQ_SEND; 1417 REQ_SEND;
989} 1418}
990 1419
991void 1420void
992aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993 ALIAS: 1422 ALIAS:
994 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
995 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
996 PPCODE: 1426 PPCODE:
997{ 1427{
998 int fd = s_fileno_croak (fh, 0); 1428 int fd = s_fileno_croak (fh, 0);
999 dREQ; 1429 dREQ;
1000 1430
1001 req->type = ix; 1431 req->type = ix;
1002 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
1003 req->int1 = fd; 1433 req->int1 = fd;
1004 1434
1005 REQ_SEND (req); 1435 REQ_SEND;
1006} 1436}
1007 1437
1008void 1438void
1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010 PPCODE: 1440 PPCODE:
1011{ 1441{
1012 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
1013 dREQ; 1443 dREQ;
1014 1444
1015 req->type = EIO_SYNC_FILE_RANGE; 1445 req->type = EIO_SYNC_FILE_RANGE;
1016 req->sv1 = newSVsv (fh); 1446 req->sv1 = newSVsv (fh);
1017 req->int1 = fd; 1447 req->int1 = fd;
1018 req->offs = offset; 1448 req->offs = offset;
1019 req->size = nbytes; 1449 req->size = nbytes;
1020 req->int2 = flags; 1450 req->int2 = flags;
1021 1451
1022 REQ_SEND (req); 1452 REQ_SEND;
1023} 1453}
1024 1454
1025void 1455void
1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027 PPCODE: 1457 PPCODE:
1028{ 1458{
1029 int fd = s_fileno_croak (fh, 0); 1459 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1460 dREQ;
1031 1461
1032 req->type = EIO_FALLOCATE; 1462 req->type = EIO_FALLOCATE;
1033 req->sv1 = newSVsv (fh); 1463 req->sv1 = newSVsv (fh);
1034 req->int1 = fd; 1464 req->int1 = fd;
1035 req->int2 = mode; 1465 req->int2 = mode;
1036 req->offs = offset; 1466 req->offs = offset;
1037 req->size = len; 1467 req->size = len;
1038 1468
1039 REQ_SEND (req); 1469 REQ_SEND;
1040} 1470}
1041 1471
1042void 1472void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef) 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044 PPCODE: 1474 PPCODE:
1045{ 1475{
1046 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047 int fd = s_fileno_croak (fh, 0); 1476 int fd = s_fileno_croak (fh, 0);
1048 dREQ; 1477 dREQ;
1049
1050 if (expect_false (close_fd < 0))
1051 {
1052 int pipefd [2];
1053
1054 if (
1055#ifdef _WIN32
1056 _pipe (pipefd, 1, _O_BINARY) < 0
1057#else
1058 pipe (pipefd) < 0
1059 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1060#endif
1061 || close (pipefd [1]) < 0
1062 )
1063 abort (); /*D*/
1064
1065 close_fd = pipefd [0];
1066 }
1067 1478
1068 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
1069 req->int1 = close_fd; 1480 req->int1 = close_fd;
1070 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
1071 req->int2 = fd; 1482 req->int2 = fd;
1072 1483
1073 REQ_SEND (req); 1484 REQ_SEND;
1074} 1485}
1075 1486
1076void 1487void
1488aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1489 PPCODE:
1490{
1491 int fd = s_fileno_croak (fh, 0);
1492 dREQ;
1493
1494 req->type = EIO_SEEK;
1495 req->sv1 = newSVsv (fh);
1496 req->int1 = fd;
1497 req->offs = SvVAL64 (offset);
1498 req->int2 = whence;
1499
1500 REQ_SEND;
1501}
1502
1503void
1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1504aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078 ALIAS: 1505 ALIAS:
1079 aio_read = EIO_READ 1506 aio_read = EIO_READ
1080 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
1081 PPCODE: 1508 PPCODE:
1082{ 1509{
… …
1098 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
1099 } 1526 }
1100 else 1527 else
1101 { 1528 {
1102 /* read: check type and grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
1103 SvUPGRADE (data, SVt_PV); 1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104 svptr = SvGROW (data, len + dataoffset + 1); 1531 svptr = sv_grow (data, len + dataoffset + 1);
1532 else if (SvCUR (data) < len + dataoffset)
1533 croak ("length + dataoffset outside of scalar, and cannot grow");
1105 } 1534 }
1106 1535
1107 { 1536 {
1108 dREQ; 1537 dREQ;
1109 1538
… …
1125 REQ_SEND; 1554 REQ_SEND;
1126 } 1555 }
1127} 1556}
1128 1557
1129void 1558void
1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
1563 PPCODE:
1564{
1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131 ALIAS: 1600 ALIAS:
1132 aio_readlink = EIO_READLINK 1601 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH 1602 aio_realpath = EIO_REALPATH
1134 PPCODE: 1603 PPCODE:
1135{ 1604{
1136 dREQ; 1605 dREQ;
1137 1606
1138 req->type = ix; 1607 req->type = ix;
1139 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 1609
1142 REQ_SEND; 1610 REQ_SEND;
1143} 1611}
1144 1612
1145void 1613void
1146aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1614aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147 PPCODE: 1615 PPCODE:
1148{ 1616{
1149 int ifd = s_fileno_croak (in_fh , 0); 1617 int ifd = s_fileno_croak (in_fh , 0);
1150 int ofd = s_fileno_croak (out_fh, 1); 1618 int ofd = s_fileno_croak (out_fh, 1);
1151 dREQ; 1619 dREQ;
1152 1620
1153 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
1154 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
1155 req->int1 = ofd; 1623 req->int1 = ofd;
… …
1160 1628
1161 REQ_SEND; 1629 REQ_SEND;
1162} 1630}
1163 1631
1164void 1632void
1165aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166 PPCODE: 1634 PPCODE:
1167{ 1635{
1168 int fd = s_fileno_croak (fh, 0); 1636 int fd = s_fileno_croak (fh, 0);
1169 dREQ; 1637 dREQ;
1170 1638
1171 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
1172 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
1173 req->int1 = fd; 1641 req->int1 = fd;
… …
1176 1644
1177 REQ_SEND; 1645 REQ_SEND;
1178} 1646}
1179 1647
1180void 1648void
1181aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182 ALIAS: 1650 ALIAS:
1183 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
1184 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1185 aio_statvfs = EIO_STATVFS 1653 aio_statvfs = EIO_STATVFS
1186 PPCODE: 1654 PPCODE:
1187{ 1655{
1188 dREQ; 1656 dREQ;
1189 1657
1190 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1659
1203 REQ_SEND; 1660 REQ_SEND;
1204} 1661}
1662
1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1205 1696
1206UV 1697UV
1207major (UV dev) 1698major (UV dev)
1208 ALIAS: 1699 ALIAS:
1209 minor = 1 1700 minor = 1
1210 CODE: 1701 CODE:
1211 RETVAL = ix ? major (dev) : minor (dev); 1702 RETVAL = ix ? minor (dev) : major (dev);
1212 OUTPUT: 1703 OUTPUT:
1213 RETVAL 1704 RETVAL
1214 1705
1215UV 1706UV
1216makedev (UV maj, UV min) 1707makedev (UV maj, UV min)
… …
1218 RETVAL = makedev (maj, min); 1709 RETVAL = makedev (maj, min);
1219 OUTPUT: 1710 OUTPUT:
1220 RETVAL 1711 RETVAL
1221 1712
1222void 1713void
1223aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1714aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224 PPCODE: 1715 PPCODE:
1225{ 1716{
1226 dREQ; 1717 dREQ;
1227 1718
1228 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_UTIME;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FUTIME;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1722
1243 REQ_SEND; 1723 REQ_SEND;
1244} 1724}
1245 1725
1246void 1726void
1247aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1727aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248 PPCODE: 1728 PPCODE:
1249{ 1729{
1250 dREQ; 1730 dREQ;
1251 1731
1252 req->sv1 = newSVsv (fh_or_path);
1253 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255 if (SvPOK (req->sv1))
1256 {
1257 req->type = EIO_TRUNCATE;
1258 req->ptr1 = SvPVbyte_nolen (req->sv1);
1259 }
1260 else
1261 {
1262 req->type = EIO_FTRUNCATE;
1263 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264 }
1265 1734
1266 REQ_SEND; 1735 REQ_SEND;
1267} 1736}
1268 1737
1269void 1738void
1270aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1739aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1271 ALIAS:
1272 aio_chmod = EIO_CHMOD
1273 aio_mkdir = EIO_MKDIR
1274 PPCODE: 1740 PPCODE:
1275{ 1741{
1276 dREQ; 1742 dREQ;
1277 1743
1278 req->int2 = mode; 1744 req->int2 = mode;
1279 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281 if (SvPOK (req->sv1))
1282 {
1283 req->type = ix;
1284 req->ptr1 = SvPVbyte_nolen (req->sv1);
1285 }
1286 else
1287 {
1288 req->type = EIO_FCHMOD;
1289 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290 }
1291 1746
1292 REQ_SEND; 1747 REQ_SEND;
1293} 1748}
1294 1749
1295void 1750void
1296aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1751aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297 PPCODE: 1752 PPCODE:
1298{ 1753{
1299 dREQ; 1754 dREQ;
1300 1755
1301 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305 if (SvPOK (req->sv1))
1306 {
1307 req->type = EIO_CHOWN;
1308 req->ptr1 = SvPVbyte_nolen (req->sv1);
1309 }
1310 else
1311 {
1312 req->type = EIO_FCHOWN;
1313 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314 }
1315 1759
1316 REQ_SEND; 1760 REQ_SEND;
1317} 1761}
1318 1762
1319void 1763void
1320aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321 PPCODE: 1765 PPCODE:
1322{ 1766{
1323 dREQ; 1767 dREQ;
1324 1768
1325 req->type = EIO_READDIR; 1769 req->type = EIO_READDIR;
1326 req->sv1 = newSVsv (pathname);
1327 req->ptr1 = SvPVbyte_nolen (req->sv1);
1328 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329 1771
1330 if (flags & EIO_READDIR_DENTS) 1772 if (flags & EIO_READDIR_DENTS)
1331 req->int1 |= EIO_READDIR_CUSTOM2; 1773 req->int1 |= EIO_READDIR_CUSTOM2;
1332 1774
1775 req_set_path1 (req, pathname);
1776
1333 REQ_SEND; 1777 REQ_SEND;
1334} 1778}
1335 1779
1336void 1780void
1781aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1782 PPCODE:
1783{
1784 dREQ;
1785
1786 req->type = EIO_MKDIR;
1787 req->int2 = mode;
1788 req_set_path1 (req, pathname);
1789
1790 REQ_SEND;
1791}
1792
1793void
1337aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338 ALIAS: 1795 ALIAS:
1339 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
1340 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
1341 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
1342 PPCODE: 1799 PPCODE:
1343{ 1800{
1344 dREQ; 1801 dREQ;
1345 1802
1346 req->type = ix; 1803 req->type = ix;
1347 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
1348 req->ptr1 = SvPVbyte_nolen (req->sv1);
1349 1805
1350 REQ_SEND; 1806 REQ_SEND;
1351} 1807}
1352 1808
1353void 1809void
1354aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355 ALIAS: 1811 ALIAS:
1356 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
1357 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
1358 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
1359 PPCODE: 1815 PPCODE:
1360{ 1816{
1817 eio_wd wd2 = 0;
1361 dREQ; 1818 dREQ;
1362 1819
1363 req->type = ix; 1820 req->type = ix;
1364 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
1367 req->ptr2 = SvPVbyte_nolen (req->sv2);
1368 1824
1369 REQ_SEND; 1825 REQ_SEND;
1370} 1826}
1371 1827
1372void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
1373aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374 PPCODE: 1846 PPCODE:
1375{ 1847{
1376 dREQ; 1848 dREQ;
1377 1849
1378 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
1379 req->sv1 = newSVsv (pathname);
1380 req->ptr1 = SvPVbyte_nolen (req->sv1);
1381 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
1382 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
1383 1854
1384 REQ_SEND; 1855 REQ_SEND;
1385} 1856}
1386 1857
1387void 1858void
1388aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389 ALIAS: 1860 ALIAS:
1390 aio_mtouch = EIO_MTOUCH 1861 aio_mtouch = EIO_MTOUCH
1391 aio_msync = EIO_MSYNC 1862 aio_msync = EIO_MSYNC
1392 PPCODE: 1863 PPCODE:
1393{ 1864{
1394 STRLEN svlen; 1865 STRLEN svlen;
1395 char *svptr = SvPVbyte (data, svlen); 1866 char *svptr = SvPVbyte (data, svlen);
1396 UV len = SvUV (length); 1867 UV len = SvUV (length);
1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397 1871
1398 if (offset < 0) 1872 if (offset < 0)
1399 offset += svlen; 1873 offset += svlen;
1400 1874
1401 if (offset < 0 || offset > svlen) 1875 if (offset < 0 || offset > svlen)
… …
1416 REQ_SEND; 1890 REQ_SEND;
1417 } 1891 }
1418} 1892}
1419 1893
1420void 1894void
1421aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1895aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422 PPCODE: 1896 PPCODE:
1423{ 1897{
1424 STRLEN svlen; 1898 STRLEN svlen;
1425 char *svptr = SvPVbyte (data, svlen); 1899 char *svptr = SvPVbyte (data, svlen);
1426 UV len = SvUV (length); 1900 UV len = SvUV (length);
… …
1445 REQ_SEND; 1919 REQ_SEND;
1446 } 1920 }
1447} 1921}
1448 1922
1449void 1923void
1450aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1924aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451 PPCODE: 1925 PPCODE:
1452{ 1926{
1453 dREQ; 1927 dREQ;
1454 1928
1455 req->type = EIO_MLOCKALL; 1929 req->type = EIO_MLOCKALL;
… …
1457 1931
1458 REQ_SEND; 1932 REQ_SEND;
1459} 1933}
1460 1934
1461void 1935void
1936aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1937 PPCODE:
1938{
1939 int fd = s_fileno_croak (fh, 0);
1940 dREQ;
1941
1942 req->type = EIO_CUSTOM;
1943 req->sv1 = newSVsv (fh);
1944 req->int1 = fd;
1945
1946 req->feed = fiemap;
1947#if HAVE_FIEMAP
1948 /* keep our fingers crossed that the next two types are 64 bit */
1949 req->offs = start;
1950 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1951 req->int2 = flags;
1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1953#endif
1954
1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1994}
1995
1996void
1462aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1463 PPCODE: 1998 PPCODE:
1464{ 1999{
1465 dREQ; 2000 dREQ;
1466 2001
1467 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
1469 2004
1470 REQ_SEND; 2005 REQ_SEND;
1471} 2006}
1472 2007
1473void 2008void
1474aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
1475 PPCODE: 2010 PPCODE:
1476{ 2011{
1477 dREQ; 2012 dREQ;
1478 2013
1479 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
1480 2015
2016 PUTBACK;
1481 req_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
1482 XPUSHs (req_sv (req, aio_grp_stash)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
1483} 2021}
1484 2022
1485void 2023void
1486aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
1487 ALIAS: 2025 ALIAS:
1488 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
1489 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
1490 PPCODE: 2028 PPCODE:
1491{ 2029{
… …
1495 2033
1496 REQ_SEND; 2034 REQ_SEND;
1497} 2035}
1498 2036
1499int 2037int
1500aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
1501 CODE: 2039 CODE:
1502 RETVAL = next_pri; 2040 RETVAL = next_pri;
1503 if (items > 0) 2041 if (items > 0)
1504 { 2042 {
1505 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1587 CODE: 2125 CODE:
1588 RETVAL = posix_fadvise (fh, offset, length, advice); 2126 RETVAL = posix_fadvise (fh, offset, length, advice);
1589 OUTPUT: 2127 OUTPUT:
1590 RETVAL 2128 RETVAL
1591 2129
1592ssize_t 2130IV
1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594 CODE: 2132 CODE:
1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2133 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596 OUTPUT: 2134 OUTPUT:
1597 RETVAL 2135 RETVAL
1598 2136
1599void 2137void
1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601 PPCODE: 2139 PPCODE:
1602 sv_unmagic (scalar, MMAP_MAGIC); 2140 sv_clear_foreign (scalar);
1603{ 2141{
1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1606 if (addr == (void *)-1) 2144 if (addr == (void *)-1)
1607 XSRETURN_NO; 2145 XSRETURN_NO;
1608 2146
1609 sv_force_normal (scalar); 2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1610
1611 /* we store the length in mg_obj, as namlen is I32 :/ */
1612 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1613 ->mg_obj = (SV *)length;
1614
1615 SvUPGRADE (scalar, SVt_PV); /* nop... */
1616 2148
1617 if (!(prot & PROT_WRITE)) 2149 if (!(prot & PROT_WRITE))
1618 SvREADONLY_on (scalar); 2150 SvREADONLY_on (scalar);
1619 2151
1620 if (SvLEN (scalar))
1621 Safefree (SvPVX (scalar));
1622
1623 SvPVX (scalar) = (char *)addr;
1624 SvCUR_set (scalar, length);
1625 SvLEN_set (scalar, 0);
1626 SvPOK_only (scalar);
1627
1628 XSRETURN_YES; 2152 XSRETURN_YES;
1629} 2153}
1630 2154
1631void 2155void
1632munmap (SV *scalar) 2156munmap (SV *scalar)
1633 CODE: 2157 CODE:
1634 sv_unmagic (scalar, MMAP_MAGIC); 2158 sv_clear_foreign (scalar);
2159
2160SV *
2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2162 CODE:
2163{
2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
2166
2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2169
2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2171
2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
2186}
2187 OUTPUT:
2188 RETVAL
1635 2189
1636int 2190int
1637madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638 ALIAS: 2192 ALIAS:
1639 mprotect = 1 2193 mprotect = 1
1640 CODE: 2194 CODE:
1641{ 2195{
1642 STRLEN svlen; 2196 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen); 2197 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length); 2198 STRLEN len = SvUV (length);
1645 2199
1646 if (offset < 0) 2200 if (offset < 0)
1647 offset += svlen; 2201 offset += svlen;
1648 2202
1649 if (offset < 0 || offset > svlen) 2203 if (offset < 0 || offset > svlen)
… …
1663} 2217}
1664 OUTPUT: 2218 OUTPUT:
1665 RETVAL 2219 RETVAL
1666 2220
1667int 2221int
1668munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1669 CODE: 2223 CODE:
1670{ 2224{
1671 STRLEN svlen; 2225 STRLEN svlen;
1672 void *addr = SvPVbyte (scalar, svlen); 2226 void *addr = SvPVbyte (scalar, svlen);
1673 size_t len = SvUV (length); 2227 size_t len = SvUV (length);
1674 2228
1675 if (offset < 0) 2229 if (offset < 0)
1676 offset += svlen; 2230 offset += svlen;
1677 2231
… …
1684 addr = (void *)(((intptr_t)addr) + offset); 2238 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len); 2239 eio_page_align (&addr, &len);
1686#if _POSIX_MEMLOCK_RANGE 2240#if _POSIX_MEMLOCK_RANGE
1687 RETVAL = munlock (addr, len); 2241 RETVAL = munlock (addr, len);
1688#else 2242#else
1689 RETVAL = ((errno = ENOSYS), -1); 2243 RETVAL = EIO_ENOSYS ();
1690#endif 2244#endif
1691} 2245}
1692 OUTPUT: 2246 OUTPUT:
1693 RETVAL 2247 RETVAL
1694 2248
… …
1696munlockall () 2250munlockall ()
1697 CODE: 2251 CODE:
1698#if _POSIX_MEMLOCK 2252#if _POSIX_MEMLOCK
1699 munlockall (); 2253 munlockall ();
1700#else 2254#else
1701 RETVAL = -1; 2255 RETVAL = EIO_ENOSYS ();
1702 errno = ENOSYS;
1703#endif 2256#endif
1704 OUTPUT: 2257 OUTPUT:
1705 RETVAL 2258 RETVAL
2259
2260int
2261splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2262 CODE:
2263{
2264#if HAVE_LINUX_SPLICE
2265 loff_t off_in_, off_out_;
2266 RETVAL = splice (
2267 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2268 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2269 length, flags
2270 );
2271#else
2272 RETVAL = EIO_ENOSYS ();
2273#endif
2274}
2275 OUTPUT:
2276 RETVAL
2277
2278int
2279tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2280 CODE:
2281#if HAVE_LINUX_SPLICE
2282 RETVAL = tee (rfh, wfh, length, flags);
2283#else
2284 RETVAL = EIO_ENOSYS ();
2285#endif
2286 OUTPUT:
2287 RETVAL
2288
2289int
2290pipesize (aio_rfd rfh, int new_size = -1)
2291 PROTOTYPE: $;$
2292 CODE:
2293#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2294 if (new_size >= 0)
2295 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2296 else
2297 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2298#else
2299 errno = ENOSYS;
2300 RETVAL = -1;
2301#endif
2302 OUTPUT:
2303 RETVAL
2304
2305void
2306pipe2 (int flags = 0)
2307 PROTOTYPE: ;$
2308 PPCODE:
2309{
2310 int fd[2];
2311 int res;
2312
2313 if (flags)
2314#if HAVE_PIPE2
2315 res = pipe2 (fd, flags);
2316#else
2317 res = (errno = ENOSYS, -1);
2318#endif
2319 else
2320 res = pipe (fd);
2321
2322 if (!res)
2323 {
2324 EXTEND (SP, 2);
2325 PUSHs (newmortalFH (fd[0], O_RDONLY));
2326 PUSHs (newmortalFH (fd[1], O_WRONLY));
2327 }
2328}
2329
2330void
2331eventfd (unsigned int initval = 0, int flags = 0)
2332 PPCODE:
2333{
2334 int fd;
2335#if HAVE_EVENTFD
2336 fd = eventfd (initval, flags);
2337#else
2338 fd = (errno = ENOSYS, -1);
2339#endif
2340
2341 XPUSHs (newmortalFH (fd, O_RDWR));
2342}
2343
2344void
2345timerfd_create (int clockid, int flags = 0)
2346 PPCODE:
2347{
2348 int fd;
2349#if HAVE_TIMERFD
2350 fd = timerfd_create (clockid, flags);
2351#else
2352 fd = (errno = ENOSYS, -1);
2353#endif
2354
2355 XPUSHs (newmortalFH (fd, O_RDWR));
2356}
2357
2358void
2359timerfd_settime (SV *fh, int flags, NV interval, NV value)
2360 PPCODE:
2361{
2362 int fd = s_fileno_croak (fh, 0);
2363#if HAVE_TIMERFD
2364 int res;
2365 struct itimerspec its, ots;
2366
2367 ts_set (&its.it_interval, interval);
2368 ts_set (&its.it_value , value);
2369 res = timerfd_settime (fd, flags, &its, &ots);
2370
2371 if (!res)
2372 {
2373 EXTEND (SP, 2);
2374 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2375 PUSHs (newSVnv (ts_get (&ots.it_value)));
2376 }
2377#else
2378 errno = ENOSYS;
2379#endif
2380}
2381
2382void
2383timerfd_gettime (SV *fh)
2384 PPCODE:
2385{
2386 int fd = s_fileno_croak (fh, 0);
2387#if HAVE_TIMERFD
2388 int res;
2389 struct itimerspec ots;
2390 res = timerfd_gettime (fd, &ots);
2391
2392 if (!res)
2393 {
2394 EXTEND (SP, 2);
2395 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2396 PUSHs (newSVnv (ts_get (&ots.it_value)));
2397 }
2398#else
2399 errno = ENOSYS;
2400#endif
2401}
2402
2403UV
2404get_fdlimit ()
2405 CODE:
2406#if HAVE_RLIMITS
2407 struct rlimit rl;
2408 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2409 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2410#endif
2411 XSRETURN_UNDEF;
2412 OUTPUT:
2413 RETVAL
2414
2415void
2416min_fdlimit (UV limit = 0x7fffffffU)
2417 CODE:
2418{
2419#if HAVE_RLIMITS
2420 struct rlimit rl;
2421 rlim_t orig_rlim_max;
2422 UV bit;
2423
2424 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2425 goto fail;
2426
2427 if (rl.rlim_cur == RLIM_INFINITY)
2428 XSRETURN_YES;
2429
2430 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2431
2432 if (rl.rlim_cur < limit)
2433 {
2434 rl.rlim_cur = limit;
2435
2436 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2437 rl.rlim_max = rl.rlim_cur;
2438 }
2439
2440 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2441 XSRETURN_YES;
2442
2443 if (errno == EPERM)
2444 {
2445 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2446 /* our limit overflows a system-wide limit */
2447 /* try an adaptive algorithm, but do not lower the hardlimit */
2448 rl.rlim_max = 0;
2449 for (bit = 0x40000000U; bit; bit >>= 1)
2450 {
2451 rl.rlim_max |= bit;
2452 rl.rlim_cur = rl.rlim_max;
2453
2454 /* nevr decrease the hard limit */
2455 if (rl.rlim_max < orig_rlim_max)
2456 break;
2457
2458 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2459 rl.rlim_max &= ~bit; /* too high, remove bit again */
2460 }
2461
2462 /* now, raise the soft limit to the max permitted */
2463 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2464 {
2465 rl.rlim_cur = rl.rlim_max;
2466 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2467 errno = EPERM;
2468 }
2469 }
2470#endif
2471 fail:
2472 XSRETURN_UNDEF;
2473}
1706 2474
1707void _on_next_submit (SV *cb) 2475void _on_next_submit (SV *cb)
1708 CODE: 2476 CODE:
1709 SvREFCNT_dec (on_next_submit); 2477 SvREFCNT_dec (on_next_submit);
1710 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2478 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711 2479
1712PROTOTYPES: DISABLE 2480PROTOTYPES: DISABLE
1713 2481
2482MODULE = IO::AIO PACKAGE = IO::AIO::WD
2483
2484BOOT:
2485{
2486 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2487 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2488}
2489
2490void
2491DESTROY (SV *self)
2492 CODE:
2493{
2494 aio_wd wd = SvAIO_WD (self);
2495#if HAVE_AT
2496 {
2497 SV *callback = &PL_sv_undef;
2498 dREQ; /* clobbers next_pri :/ */
2499 next_pri = req->pri; /* restore next_pri */
2500 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2501 req->type = EIO_WD_CLOSE;
2502 req->wd = wd;
2503 REQ_SEND;
2504 }
2505#else
2506 eio_wd_close_sync (wd);
2507#endif
2508}
2509
1714MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2510MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715 2511
1716void 2512void
1717cancel (aio_req_ornot req) 2513cancel (aio_req_ornot req)
1718 CODE: 2514 CODE:
1719 eio_cancel (req); 2515 eio_cancel (req);
1720 2516
1721void 2517void
1722cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2518cb (aio_req_ornot req, SV *callback = NO_INIT)
1723 PPCODE: 2519 PPCODE:
1724{ 2520{
1725 if (GIMME_V != G_VOID) 2521 if (GIMME_V != G_VOID)
1726 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2522 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727 2523
1728 if (items > 1) 2524 if (items > 1)
1729 { 2525 {
1730 SV *cb_cv =get_cb (callback); 2526 SV *cb_cv = get_cb (callback);
1731 2527
1732 SvREFCNT_dec (req->callback); 2528 SvREFCNT_dec (req->callback);
1733 req->callback = SvREFCNT_inc (cb_cv); 2529 req->callback = SvREFCNT_inc (cb_cv);
1734 } 2530 }
1735} 2531}
… …
1792limit (aio_req grp, int limit) 2588limit (aio_req grp, int limit)
1793 CODE: 2589 CODE:
1794 eio_grp_limit (grp, limit); 2590 eio_grp_limit (grp, limit);
1795 2591
1796void 2592void
1797feed (aio_req grp, SV *callback=&PL_sv_undef) 2593feed (aio_req grp, SV *callback = &PL_sv_undef)
1798 CODE: 2594 CODE:
1799{ 2595{
1800 SvREFCNT_dec (grp->sv2); 2596 SvREFCNT_dec (grp->sv2);
1801 grp->sv2 = newSVsv (callback); 2597 grp->sv2 = newSVsv (callback);
1802 grp->feed = aio_grp_feed; 2598 grp->feed = aio_grp_feed;

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