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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 1.274 by root, Sun Mar 10 12:16:48 2019 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
21# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
22#endif 36#endif
23 37
24/* perl namespace pollution */ 38/* perl namespace pollution */
25#undef VERSION 39#undef VERSION
26 40
… …
30#undef opendir 44#undef opendir
31#undef closedir 45#undef closedir
32 46
33#ifdef _WIN32 47#ifdef _WIN32
34 48
35 #define EIO_STRUCT_DIRENT Direntry_t 49 // perl overrides all those nice libc functions
50
36 #undef malloc 51 #undef malloc
37 #undef free 52 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open 53 #undef open
41 #undef read 54 #undef read
42 #undef write 55 #undef write
43 #undef send 56 #undef send
44 #undef recv 57 #undef recv
… …
62 #undef fchmod 75 #undef fchmod
63 #undef dup 76 #undef dup
64 #undef dup2 77 #undef dup2
65 #undef abort 78 #undef abort
66 #undef pipe 79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83 #define EIO_STRUCT_STATI64
67 84
68#else 85#else
69 86
70 #include <sys/time.h> 87 #include <sys/time.h>
71 #include <sys/select.h> 88 #include <sys/select.h>
72 #include <unistd.h> 89 #include <unistd.h>
73 #include <utime.h> 90 #include <utime.h>
74 #include <signal.h> 91 #include <signal.h>
75 92
76#endif
77
78#define EIO_STRUCT_STAT Stat_t 93 #define EIO_STRUCT_STAT Stat_t
79 94
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 95#endif
90 96
91/*****************************************************************************/ 97/*****************************************************************************/
92 98
93#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
101 107
102/*****************************************************************************/ 108/*****************************************************************************/
103 109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
104typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
107 175
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 177
110#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
111 SV *callback; \ 179 SV *callback; \
112 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 182 STRLEN stroffset; \
114 SV *self; 183 SV *self;
115 184
116#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
117 186
118#include "libeio/config.h"
119#include "libeio/eio.h" 187#include "libeio/eio.h"
120 188
121static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
125 193
126#include "libeio/eio.c" 194#include "libeio/eio.c"
127 195
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 196#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 198#endif
196 199
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 200#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 202#endif
291 203
292#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 205# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
295# else 207# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 209# endif
298#endif 210#endif
299#ifndef MAP_HUGETLB
300# define MAP_HUGETLB 0
301#endif
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 211
315#ifndef makedev 212#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 214#endif
318#ifndef major 215#ifndef major
… …
320#endif 217#endif
321#ifndef minor 218#ifndef minor
322# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
323#endif 220#endif
324 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
325#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298static void
299sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
300{
301 sv_force_normal (sv);
302
303 /* we store the length in mg_obj, as namlen is I32 :/ */
304 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
305 ->mg_obj = (SV *)length;
306
307 SvUPGRADE (sv, SVt_PV); /* nop... */
308
309 if (SvLEN (sv))
310 Safefree (SvPVX (sv));
311
312 SvPVX (sv) = (char *)addr;
313 SvCUR_set (sv, length);
314 SvLEN_set (sv, 0);
315 SvPOK_only (sv);
316}
317
318static void
319sv_clear_foreign (SV *sv)
320{
321 /* todo: iterate over magic and only free ours, but of course */
322 /* the perl5porters will call that (correct) behaviour buggy */
323 sv_unmagic (sv, FOREIGN_MAGIC);
324}
325
326/*****************************************************************************/
327
328/* defines all sorts of constants to 0 unless they are already defined */
329/* also provides const_iv_ and const_niv_ macros for them */
330#include "def0.h"
331
332/*****************************************************************************/
333
334static void
335fiemap (eio_req *req)
336{
337 req->result = -1;
338
339#if HAVE_FIEMAP
340 /* assume some c99 */
341 struct fiemap *fiemap = 0;
342 size_t end_offset;
343 int count = req->int3;
344
345 req->flags |= EIO_FLAG_PTR1_FREE;
346
347 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
348 /* increase in 3.5kb steps */
349 if (count < 0)
350 count = 8;
351
352 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 fiemap->fm_start = req->offs;
360 fiemap->fm_length = req->size;
361 fiemap->fm_flags = req->int2;
362 fiemap->fm_extent_count = count;
363
364 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
365 return;
366
367 if (req->int3 >= 0 /* not autosizing */
368 || !fiemap->fm_mapped_extents /* no more extents */
369 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
370 goto done;
371
372 /* else we have to loop -
373 * it would be tempting (actually I tried that first) to just query the
374 * number of extents needed, but linux often feels like not returning all
375 * extents, without telling us it left any out. this complicates
376 * this quite a bit.
377 */
378
379 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
380
381 for (;;)
382 {
383 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
384 char scratch[3072];
385 struct fiemap *incmap = (struct fiemap *)scratch;
386
387 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
388 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
389 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
390 incmap->fm_flags = fiemap->fm_flags;
391 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
392
393 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
394 return;
395
396 if (!incmap->fm_mapped_extents)
397 goto done;
398
399 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
400 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
401 errno = ENOMEM;
402 if (!fiemap)
403 return;
404
405 req->ptr1 = fiemap;
406
407 for (count = 0; count < incmap->fm_mapped_extents; ++count)
408 {
409 struct fiemap_extent *e = incmap->fm_extents + count;
410
411 if (e->fe_logical + e->fe_length >= end_offset)
412 goto done;
413
414 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
415
416 if (e->fe_flags & FIEMAP_EXTENT_LAST)
417 goto done;
418
419 }
420 }
421
422done:
423 req->result = 0;
424
425#else
426 errno = ENOSYS;
427#endif
428}
429
430/*****************************************************************************/
431
432static int close_fd; /* dummy fd to close fds via dup2 */
328 433
329enum { 434enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 436};
332 437
333typedef eio_req *aio_req; 438typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 439typedef eio_req *aio_req_ornot;
440typedef eio_wd aio_wd;
335 441
336static SV *on_next_submit; 442static SV *on_next_submit;
337static int next_pri = EIO_PRI_DEFAULT; 443static int next_pri = EIO_PRI_DEFAULT;
338static int max_outstanding; 444static int max_outstanding;
339 445
340static s_epipe respipe; 446static s_epipe respipe;
341 447
342static void req_destroy (aio_req req); 448static void req_destroy (aio_req req);
343static void req_cancel (aio_req req); 449static void req_cancel (aio_req req);
344 450
345static void want_poll (void) 451static void
452want_poll (void)
346{ 453{
347 /* write a dummy byte to the pipe so fh becomes ready */ 454 /* write a dummy byte to the pipe so fh becomes ready */
348 s_epipe_signal (&respipe); 455 s_epipe_signal (&respipe);
349} 456}
350 457
351static void done_poll (void) 458static void
459done_poll (void)
352{ 460{
353 /* read any signals sent by the worker threads */ 461 /* read any signals sent by the worker threads */
354 s_epipe_drain (&respipe); 462 s_epipe_drain (&respipe);
355} 463}
356 464
357/* must be called at most once */ 465/* must be called at most once */
466static SV *
358static SV *req_sv (aio_req req, HV *stash) 467req_sv (aio_req req, HV *stash)
359{ 468{
360 if (!req->self) 469 if (!req->self)
361 { 470 {
362 req->self = (SV *)newHV (); 471 req->self = (SV *)newHV ();
363 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 472 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364 } 473 }
365 474
366 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 475 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367} 476}
368 477
369static aio_req SvAIO_REQ (SV *sv) 478static SV *
479newSVaio_wd (aio_wd wd)
480{
481 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
482}
483
484static aio_req
485SvAIO_REQ (SV *sv)
370{ 486{
371 MAGIC *mg; 487 MAGIC *mg;
372 488
373 if (!SvROK (sv) 489 if (!SvROK (sv)
490 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374 || (SvSTASH (SvRV (sv)) != aio_grp_stash 491 || (SvSTASH (SvRV (sv)) != aio_grp_stash
375 && SvSTASH (SvRV (sv)) != aio_req_stash 492 && SvSTASH (SvRV (sv)) != aio_req_stash
376 && !sv_derived_from (sv, "IO::AIO::REQ"))) 493 && !sv_derived_from (sv, "IO::AIO::REQ")))
377 croak ("object of class IO::AIO::REQ expected"); 494 croak ("object of class IO::AIO::REQ expected");
378 495
379 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 496 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380 497
381 return mg ? (aio_req)mg->mg_ptr : 0; 498 return mg ? (aio_req)mg->mg_ptr : 0;
382} 499}
383 500
501static aio_wd
502SvAIO_WD (SV *sv)
503{
504 if (!SvROK (sv)
505 || SvTYPE (SvRV (sv)) != SVt_PVMG
506 || SvSTASH (SvRV (sv)) != aio_wd_stash)
507 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
508
509 return (aio_wd)(long)SvIVX (SvRV (sv));
510}
511
512static SV *
513newmortalFH (int fd, int flags)
514{
515 if (fd < 0)
516 return &PL_sv_undef;
517
518 GV *gv = (GV *)sv_newmortal ();
519 char sym[64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 fd
531 );
532
533 return do_open (gv, sym, symlen, 0, 0, 0, 0)
534 ? (SV *)gv : &PL_sv_undef;
535}
536
537static void
384static void aio_grp_feed (aio_req grp) 538aio_grp_feed (aio_req grp)
385{ 539{
386 if (grp->sv2 && SvOK (grp->sv2)) 540 if (grp->sv2 && SvOK (grp->sv2))
387 { 541 {
388 dSP; 542 dSP;
389 543
… …
397 FREETMPS; 551 FREETMPS;
398 LEAVE; 552 LEAVE;
399 } 553 }
400} 554}
401 555
556static void
402static void req_submit (eio_req *req) 557req_submit (eio_req *req)
403{ 558{
404 eio_submit (req); 559 eio_submit (req);
405 560
406 if (expect_false (on_next_submit)) 561 if (expect_false (on_next_submit))
407 { 562 {
… …
414 PUTBACK; 569 PUTBACK;
415 call_sv (cb, G_DISCARD | G_EVAL); 570 call_sv (cb, G_DISCARD | G_EVAL);
416 } 571 }
417} 572}
418 573
574static int
419static int req_invoke (eio_req *req) 575req_invoke (eio_req *req)
420{ 576{
421 if (req->flags & FLAG_SV2_RO_OFF) 577 if (req->flags & FLAG_SV2_RO_OFF)
422 SvREADONLY_off (req->sv2); 578 SvREADONLY_off (req->sv2);
423 579
424 if (!EIO_CANCELLED (req) && req->callback) 580 if (!EIO_CANCELLED (req) && req->callback)
… …
445 SvREADONLY_on (sv_result); 601 SvREADONLY_on (sv_result);
446 } 602 }
447 603
448 switch (req->type) 604 switch (req->type)
449 { 605 {
606 case EIO_WD_OPEN:
607 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
608 break;
609
450 case EIO_READDIR: 610 case EIO_READDIR:
451 { 611 {
452 SV *rv = &PL_sv_undef; 612 SV *rv = &PL_sv_undef;
453 613
454 if (req->result >= 0) 614 if (req->result >= 0)
… …
507 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 667 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
508 } 668 }
509 break; 669 break;
510 670
511 case EIO_OPEN: 671 case EIO_OPEN:
512 { 672 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; 673 break;
541 674
542 case EIO_STATVFS: 675 case EIO_STATVFS:
543 case EIO_FSTATVFS: 676 case EIO_FSTATVFS:
544 { 677 {
… …
547#ifndef _WIN32 680#ifndef _WIN32
548 if (req->result >= 0) 681 if (req->result >= 0)
549 { 682 {
550 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 683 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551 HV *hv = newHV (); 684 HV *hv = newHV ();
685 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
686 * chooses to make it a struct.
687 */
688 unsigned long fsid = 0;
689 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
552 690
553 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 691 rv = sv_2mortal (newRV_noinc ((SV *)hv));
554 692
555 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 693 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); 694 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); 696 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); 697 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); 698 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); 699 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); 700 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); 701 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 702 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); 703 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
566 } 704 }
567#endif 705#endif
568 706
… …
596 break; 734 break;
597 735
598 case EIO_STAT: 736 case EIO_STAT:
599 case EIO_LSTAT: 737 case EIO_LSTAT:
600 case EIO_FSTAT: 738 case EIO_FSTAT:
601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 739 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
740
602 PL_laststatval = req->result; 741 if (!(PL_laststatval = req->result))
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 742 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 743 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
744
605 PUSHs (sv_result); 745 PUSHs (sv_result);
746 break;
747
748 case EIO_SEEK:
749 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
606 break; 750 break;
607 751
608 case EIO_READ: 752 case EIO_READ:
609 { 753 {
610 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 754 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
613 SvSETMAGIC (req->sv2); 757 SvSETMAGIC (req->sv2);
614 PUSHs (sv_result); 758 PUSHs (sv_result);
615 } 759 }
616 break; 760 break;
617 761
762 case EIO_SLURP:
763 {
764 if (req->result >= 0)
765 {
766 /* if length was originally not known, we steal the malloc'ed memory */
767 if (req->flags & EIO_FLAG_PTR2_FREE)
768 {
769 req->flags &= ~EIO_FLAG_PTR2_FREE;
770 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
771 }
772 else
773 {
774 SvCUR_set (req->sv2, req->result);
775 *SvEND (req->sv2) = 0;
776 SvPOK_only (req->sv2);
777 }
778
779 SvSETMAGIC (req->sv2);
780 }
781
782 PUSHs (sv_result);
783 }
784 break;
785
786 case EIO_CUSTOM:
787 if (req->feed == fiemap)
788 {
789#if HAVE_FIEMAP
790 if (!req->result)
791 {
792 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
793
794 if (fiemap->fm_extent_count)
795 {
796 AV *av = newAV ();
797 int i;
798
799 while (fiemap->fm_mapped_extents)
800 {
801 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
802 AV *ext_av = newAV ();
803
804 av_store (ext_av, 3, newSVuv (extent->fe_flags));
805 av_store (ext_av, 2, newSVval64 (extent->fe_length));
806 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
807 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
808
809 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
810 }
811
812 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
813 }
814 else
815 {
816 SvIV_set (sv_result, fiemap->fm_mapped_extents);
817 PUSHs (sv_result);
818 }
819 }
820#endif
821 }
822 else
823 PUSHs (sv_result);
824 break;
825
826#if 0
827 case EIO_CLOSE:
828 PerlIOUnix_refcnt_dec (req->int1);
829 break;
830#endif
831
618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 832 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619 if (req->result > 0) 833 if (req->result > 0)
620 SvIV_set (sv_result, 0); 834 SvIV_set (sv_result, 0);
621 /* FALLTHROUGH */ 835 /* FALLTHROUGH */
622 836
… …
643 } 857 }
644 858
645 return !!SvTRUE (ERRSV); 859 return !!SvTRUE (ERRSV);
646} 860}
647 861
862static void
648static void req_destroy (aio_req req) 863req_destroy (aio_req req)
649{ 864{
650 if (req->self) 865 if (req->self)
651 { 866 {
652 sv_unmagic (req->self, PERL_MAGIC_ext); 867 sv_unmagic (req->self, PERL_MAGIC_ext);
653 SvREFCNT_dec (req->self); 868 SvREFCNT_dec (req->self);
654 } 869 }
655 870
656 SvREFCNT_dec (req->sv1); 871 SvREFCNT_dec (req->sv1);
657 SvREFCNT_dec (req->sv2); 872 SvREFCNT_dec (req->sv2);
873 SvREFCNT_dec (req->sv3);
874 SvREFCNT_dec (req->sv4);
658 SvREFCNT_dec (req->callback); 875 SvREFCNT_dec (req->callback);
659 876
660 Safefree (req); 877 free (req);
661} 878}
662 879
880static void
663static void req_cancel_subs (aio_req grp) 881req_cancel_subs (aio_req grp)
664{ 882{
665 if (grp->type != EIO_GROUP) 883 if (grp->type != EIO_GROUP)
666 return; 884 return;
667 885
668 SvREFCNT_dec (grp->sv2); 886 SvREFCNT_dec (grp->sv2);
669 grp->sv2 = 0; 887 grp->sv2 = 0;
670 888
671 eio_grp_cancel (grp); 889 eio_grp_cancel (grp);
672} 890}
673 891
892static void ecb_cold
674static void create_respipe (void) 893create_respipe (void)
675{ 894{
676 if (s_epipe_renew (&respipe)) 895 if (s_epipe_renew (&respipe))
677 croak ("IO::AIO: unable to initialize result pipe"); 896 croak ("IO::AIO: unable to initialize result pipe");
678} 897}
679 898
680static void poll_wait (void) 899static void
900poll_wait (void)
681{ 901{
682 while (eio_nreqs ()) 902 while (eio_nreqs ())
683 { 903 {
684 int size; 904 int size;
685 905
686 X_LOCK (reslock); 906 X_LOCK (EIO_POOL->reslock);
687 size = res_queue.size; 907 size = EIO_POOL->res_queue.size;
688 X_UNLOCK (reslock); 908 X_UNLOCK (EIO_POOL->reslock);
689 909
690 if (size) 910 if (size)
691 return; 911 return;
692 912
693 etp_maybe_start_thread (); 913 etp_maybe_start_thread (EIO_POOL);
694 914
695 s_epipe_wait (&respipe); 915 s_epipe_wait (&respipe);
696 } 916 }
697} 917}
698 918
699static int poll_cb (void) 919static int
920poll_cb (void)
700{ 921{
701 for (;;) 922 for (;;)
702 { 923 {
703 int res = eio_poll (); 924 int res = eio_poll ();
704 925
… …
710 931
711 poll_wait (); 932 poll_wait ();
712 } 933 }
713} 934}
714 935
715static void atfork_child (void) 936static void ecb_cold
937reinit (void)
716{ 938{
717 create_respipe (); 939 create_respipe ();
940
941 if (eio_init (want_poll, done_poll) < 0)
942 croak ("IO::AIO: unable to initialise eio library");
718} 943}
719 944
720/*****************************************************************************/ 945/*****************************************************************************/
721 946
722#if !_POSIX_MAPPED_FILES 947static 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) 948get_cb (SV *cb_sv)
765{ 949{
766 SvGETMAGIC (cb_sv); 950 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 951 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 952}
769 953
954static aio_req ecb_noinline
955dreq (SV *callback)
956{
957 SV *cb_cv;
958 aio_req req;
959 int req_pri = next_pri;
960 next_pri = EIO_PRI_DEFAULT;
961
962 cb_cv = get_cb (callback);
963
964 req = calloc (sizeof (*req), 1);
965 if (!req)
966 croak ("out of memory during eio_req allocation");
967
968 req->callback = SvREFCNT_inc (cb_cv);
969 req->pri = req_pri;
970
971 return req;
972}
973
770#define dREQ \ 974#define dREQ \
771 SV *cb_cv; \ 975 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
784 976
785#define REQ_SEND \ 977#define REQ_SEND \
786 PUTBACK; \ 978 PUTBACK; \
787 req_submit (req); \ 979 req_submit (req); \
788 SPAGAIN; \ 980 SPAGAIN; \
789 \ 981 \
790 if (GIMME_V != G_VOID) \ 982 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 983 XPUSHs (req_sv (req, aio_req_stash));
792 984
985ecb_inline void
986req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
987{
988 if (expect_false (SvROK (path)))
989 {
990 SV *rv = SvRV (path);
991 SV *wdob;
992
993 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
994 {
995 path = AvARRAY (rv)[1];
996 wdob = AvARRAY (rv)[0];
997
998 if (SvOK (wdob))
999 {
1000 *wd = SvAIO_WD (wdob);
1001 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1002 }
1003 else
1004 *wd = EIO_INVALID_WD;
1005 }
1006 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1007 {
1008 *wd = (aio_wd)(long)SvIVX (rv);
1009 *wdsv = SvREFCNT_inc_NN (rv);
1010 *ptr = ".";
1011 return; /* path set to "." */
1012 }
1013 else
1014 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1015 }
1016
1017 *pathsv = newSVsv (path);
1018 *ptr = SvPVbyte_nolen (*pathsv);
1019}
1020
1021static void ecb_noinline
1022req_set_path1 (aio_req req, SV *path)
1023{
1024 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1025}
1026
1027static void ecb_noinline
1028req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1029{
1030 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1031
1032 switch (SvTYPE (rv))
1033 {
1034 case SVt_PVIO:
1035 case SVt_PVLV:
1036 case SVt_PVGV:
1037 req->type = type_fh;
1038 req->sv1 = newSVsv (fh_or_path);
1039 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1040 break;
1041
1042 default:
1043 req->type = type_path;
1044 req_set_path1 (req, fh_or_path);
1045 break;
1046 }
1047}
1048
1049/*****************************************************************************/
1050
1051static void
1052ts_set (struct timespec *ts, NV value)
1053{
1054 ts->tv_sec = value;
1055 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1056}
1057
1058static NV
1059ts_get (const struct timespec *ts)
1060{
1061 return ts->tv_sec + ts->tv_nsec * 1e-9;
1062}
1063
1064/*****************************************************************************/
1065
1066XS(boot_IO__AIO) ecb_cold;
1067
793MODULE = IO::AIO PACKAGE = IO::AIO 1068MODULE = IO::AIO PACKAGE = IO::AIO
794 1069
795PROTOTYPES: ENABLE 1070PROTOTYPES: ENABLE
796 1071
797BOOT: 1072BOOT:
… …
801 IV iv; 1076 IV iv;
802 } *civ, const_iv[] = { 1077 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 1078# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 1079# define const_iv(name) { # name, (IV) name },
805# define const_eio(name) { # name, (IV) EIO_ ## name }, 1080# define const_eio(name) { # name, (IV) EIO_ ## name },
1081
1082 /* you have to re-run ./gendef0 after adding/removing any constants here */
1083 /* the first block can be undef if missing */
1084 const_iv (ENOSYS)
806 const_iv (EXDEV) 1085 const_iv (EXDEV)
807 const_iv (ENOSYS) 1086 const_iv (EBADR)
1087
1088 /* for lseek */
1089 const_iv (SEEK_DATA)
1090 const_iv (SEEK_HOLE)
1091
1092 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1093 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1094 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1095 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1096 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1097 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1098
1099 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1100 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1101 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1102 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1103 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1104
1105 /* the second block will be 0 when missing */
1106 const_iv (O_ACCMODE)
1107
808 const_iv (O_RDONLY) 1108 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 1109 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 1110 const_iv (O_RDWR)
811 const_iv (O_CREAT) 1111 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 1112 const_iv (O_TRUNC)
… …
825 const_iv (O_SEARCH) 1125 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY) 1126 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC) 1127 const_iv (O_DSYNC)
828 const_iv (O_RSYNC) 1128 const_iv (O_RSYNC)
829 const_iv (O_SYNC) 1129 const_iv (O_SYNC)
1130 const_iv (O_PATH)
1131 const_iv (O_TMPFILE)
830 const_iv (O_TTY_INIT) 1132 const_iv (O_TTY_INIT)
831 1133
832 const_iv (S_IFIFO) 1134 const_iv (S_IFIFO)
833 const_iv (S_IFCHR) 1135 const_iv (S_IFCHR)
834 const_iv (S_IFBLK) 1136 const_iv (S_IFBLK)
… …
836 const_iv (S_IFREG) 1138 const_iv (S_IFREG)
837 const_iv (S_IFDIR) 1139 const_iv (S_IFDIR)
838 const_iv (S_IFWHT) 1140 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK) 1141 const_iv (S_IFSOCK)
840 const_iv (S_IFMT) 1142 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 1143
855 const_iv (ST_RDONLY) 1144 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID) 1145 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV) 1146 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC) 1147 const_iv (ST_NOEXEC)
… …
868 const_iv (PROT_NONE) 1157 const_iv (PROT_NONE)
869 const_iv (PROT_EXEC) 1158 const_iv (PROT_EXEC)
870 const_iv (PROT_READ) 1159 const_iv (PROT_READ)
871 const_iv (PROT_WRITE) 1160 const_iv (PROT_WRITE)
872 1161
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE) 1162 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED) 1163 const_iv (MAP_SHARED)
1164 const_iv (MAP_FIXED)
876 const_iv (MAP_ANONYMOUS) 1165 const_iv (MAP_ANONYMOUS)
877 1166
878 /* linuxish */ 1167 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED) 1168 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 1169 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 1170 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK) 1171 const_iv (MAP_NONBLOCK)
1172 const_iv (MAP_GROWSDOWN)
1173 const_iv (MAP_32BIT)
1174 const_iv (MAP_HUGETLB)
1175 const_iv (MAP_STACK)
1176
1177 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED)
1179
1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC)
1184
1185 const_iv (F_OFD_GETLK)
1186 const_iv (F_OFD_SETLK)
1187 const_iv (F_OFD_GETLKW)
1188
1189 const_iv (FIFREEZE)
1190 const_iv (FITHAW)
1191 const_iv (FITRIM)
1192 const_iv (FICLONE)
1193 const_iv (FICLONERANGE)
1194 const_iv (FIDEDUPERANGE)
1195
1196 const_iv (FS_IOC_GETFLAGS)
1197 const_iv (FS_IOC_SETFLAGS)
1198 const_iv (FS_IOC_GETVERSION)
1199 const_iv (FS_IOC_SETVERSION)
1200 const_iv (FS_IOC_FIEMAP)
1201 const_iv (FS_IOC_FSGETXATTR)
1202 const_iv (FS_IOC_FSSETXATTR)
1203 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1204 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1205 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1206
1207 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1208
1209 const_iv (FS_SECRM_FL)
1210 const_iv (FS_UNRM_FL)
1211 const_iv (FS_COMPR_FL)
1212 const_iv (FS_SYNC_FL)
1213 const_iv (FS_IMMUTABLE_FL)
1214 const_iv (FS_APPEND_FL)
1215 const_iv (FS_NODUMP_FL)
1216 const_iv (FS_NOATIME_FL)
1217 const_iv (FS_DIRTY_FL)
1218 const_iv (FS_COMPRBLK_FL)
1219 const_iv (FS_NOCOMP_FL)
1220 const_iv (FS_ENCRYPT_FL)
1221 const_iv (FS_BTREE_FL)
1222 const_iv (FS_INDEX_FL)
1223 const_iv (FS_JOURNAL_DATA_FL)
1224 const_iv (FS_NOTAIL_FL)
1225 const_iv (FS_DIRSYNC_FL)
1226 const_iv (FS_TOPDIR_FL)
1227 const_iv (FS_FL_USER_MODIFIABLE)
1228
1229 const_iv (FS_XFLAG_REALTIME)
1230 const_iv (FS_XFLAG_PREALLOC)
1231 const_iv (FS_XFLAG_IMMUTABLE)
1232 const_iv (FS_XFLAG_APPEND)
1233 const_iv (FS_XFLAG_SYNC)
1234 const_iv (FS_XFLAG_NOATIME)
1235 const_iv (FS_XFLAG_NODUMP)
1236 const_iv (FS_XFLAG_RTINHERIT)
1237 const_iv (FS_XFLAG_PROJINHERIT)
1238 const_iv (FS_XFLAG_NOSYMLINKS)
1239 const_iv (FS_XFLAG_EXTSIZE)
1240 const_iv (FS_XFLAG_EXTSZINHERIT)
1241 const_iv (FS_XFLAG_NODEFRAG)
1242 const_iv (FS_XFLAG_FILESTREAM)
1243 const_iv (FS_XFLAG_DAX)
1244 const_iv (FS_XFLAG_HASATTR)
1245
1246 const_iv (FIEMAP_FLAG_SYNC)
1247 const_iv (FIEMAP_FLAG_XATTR)
1248 const_iv (FIEMAP_FLAGS_COMPAT)
1249 const_iv (FIEMAP_EXTENT_LAST)
1250 const_iv (FIEMAP_EXTENT_UNKNOWN)
1251 const_iv (FIEMAP_EXTENT_DELALLOC)
1252 const_iv (FIEMAP_EXTENT_ENCODED)
1253 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1254 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1255 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1256 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1257 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1258 const_iv (FIEMAP_EXTENT_MERGED)
1259 const_iv (FIEMAP_EXTENT_SHARED)
1260
1261 const_iv (SPLICE_F_MOVE)
1262 const_iv (SPLICE_F_NONBLOCK)
1263 const_iv (SPLICE_F_MORE)
1264 const_iv (SPLICE_F_GIFT)
1265
1266 const_iv (EFD_CLOEXEC)
1267 const_iv (EFD_NONBLOCK)
1268 const_iv (EFD_SEMAPHORE)
1269
1270 const_iv (CLOCK_REALTIME)
1271 const_iv (CLOCK_MONOTONIC)
1272 const_iv (CLOCK_BOOTTIME)
1273 const_iv (CLOCK_REALTIME_ALARM)
1274 const_iv (CLOCK_BOOTTIME_ALARM)
1275
1276 const_iv (TFD_NONBLOCK)
1277 const_iv (TFD_CLOEXEC)
1278
1279 const_iv (TFD_TIMER_ABSTIME)
1280 const_iv (TFD_TIMER_CANCEL_ON_SET)
1281
1282 /* these are libeio constants, and are independent of gendef0 */
1283 const_eio (SEEK_SET)
1284 const_eio (SEEK_CUR)
1285 const_eio (SEEK_END)
884 1286
885 const_eio (MCL_FUTURE) 1287 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 1288 const_eio (MCL_CURRENT)
1289 const_eio (MCL_ONFAULT)
887 1290
888 const_eio (MS_ASYNC) 1291 const_eio (MS_ASYNC)
889 const_eio (MS_INVALIDATE) 1292 const_eio (MS_INVALIDATE)
890 const_eio (MS_SYNC) 1293 const_eio (MS_SYNC)
891 1294
… …
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1297 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 1298 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1299 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 1300
898 const_eio (FALLOC_FL_KEEP_SIZE) 1301 const_eio (FALLOC_FL_KEEP_SIZE)
1302 const_eio (FALLOC_FL_PUNCH_HOLE)
1303 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1304 const_eio (FALLOC_FL_ZERO_RANGE)
1305 const_eio (FALLOC_FL_INSERT_RANGE)
1306 const_eio (FALLOC_FL_UNSHARE_RANGE)
1307
1308 const_eio (RENAME_NOREPLACE)
1309 const_eio (RENAME_EXCHANGE)
1310 const_eio (RENAME_WHITEOUT)
899 1311
900 const_eio (READDIR_DENTS) 1312 const_eio (READDIR_DENTS)
901 const_eio (READDIR_DIRS_FIRST) 1313 const_eio (READDIR_DIRS_FIRST)
902 const_eio (READDIR_STAT_ORDER) 1314 const_eio (READDIR_STAT_ORDER)
903 const_eio (READDIR_FOUND_UNKNOWN) 1315 const_eio (READDIR_FOUND_UNKNOWN)
… …
914 }; 1326 };
915 1327
916 aio_stash = gv_stashpv ("IO::AIO" , 1); 1328 aio_stash = gv_stashpv ("IO::AIO" , 1);
917 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1329 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1330 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1331 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919 1332
920 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1333 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)); 1334 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922 1335
923 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1336 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924 1337
925 create_respipe (); 1338 /* allocate dummy pipe fd for aio_close */
1339 {
1340 int pipefd [2];
926 1341
927 if (eio_init (want_poll, done_poll) < 0) 1342 if (
928 croak ("IO::AIO: unable to initialise eio library"); 1343#ifdef _WIN32
1344 _pipe (pipefd, 1, _O_BINARY) < 0
1345#else
1346 pipe (pipefd) < 0
1347 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1348#endif
1349 || close (pipefd [1]) < 0
1350 )
1351 croak ("IO::AIO: unable to create dummy pipe for aio_close");
929 1352
930 /* atfork child called in fifo order, so before eio's handler */ 1353 close_fd = pipefd [0];
931 X_THREAD_ATFORK (0, 0, atfork_child); 1354 }
1355
1356 reinit ();
932} 1357}
1358
1359void
1360reinit ()
1361 PROTOTYPE:
933 1362
934void 1363void
935max_poll_reqs (unsigned int nreqs) 1364max_poll_reqs (unsigned int nreqs)
936 PROTOTYPE: $ 1365 PROTOTYPE: $
937 CODE: 1366 CODE:
… …
972 PROTOTYPE: $ 1401 PROTOTYPE: $
973 CODE: 1402 CODE:
974 max_outstanding = maxreqs; 1403 max_outstanding = maxreqs;
975 1404
976void 1405void
977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1406aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978 PPCODE: 1407 PPCODE:
979{ 1408{
980 dREQ; 1409 dREQ;
981 1410
1411 req->type = EIO_WD_OPEN;
1412 req_set_path1 (req, pathname);
1413
1414 REQ_SEND;
1415}
1416
1417void
1418aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1419 PPCODE:
1420{
1421 dREQ;
1422
982 req->type = EIO_OPEN; 1423 req->type = EIO_OPEN;
983 req->sv1 = newSVsv (pathname); 1424 req_set_path1 (req, pathname);
984 req->ptr1 = SvPVbyte_nolen (req->sv1);
985 req->int1 = flags; 1425 req->int1 = flags;
986 req->int2 = mode; 1426 req->int2 = mode;
987 1427
988 REQ_SEND; 1428 REQ_SEND;
989} 1429}
990 1430
991void 1431void
992aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1432aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993 ALIAS: 1433 ALIAS:
994 aio_fsync = EIO_FSYNC 1434 aio_fsync = EIO_FSYNC
995 aio_fdatasync = EIO_FDATASYNC 1435 aio_fdatasync = EIO_FDATASYNC
1436 aio_syncfs = EIO_SYNCFS
996 PPCODE: 1437 PPCODE:
997{ 1438{
998 int fd = s_fileno_croak (fh, 0); 1439 int fd = s_fileno_croak (fh, 0);
999 dREQ; 1440 dREQ;
1000 1441
1001 req->type = ix; 1442 req->type = ix;
1002 req->sv1 = newSVsv (fh); 1443 req->sv1 = newSVsv (fh);
1003 req->int1 = fd; 1444 req->int1 = fd;
1004 1445
1005 REQ_SEND (req); 1446 REQ_SEND;
1006} 1447}
1007 1448
1008void 1449void
1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1450aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010 PPCODE: 1451 PPCODE:
1011{ 1452{
1012 int fd = s_fileno_croak (fh, 0); 1453 int fd = s_fileno_croak (fh, 0);
1013 dREQ; 1454 dREQ;
1014 1455
1015 req->type = EIO_SYNC_FILE_RANGE; 1456 req->type = EIO_SYNC_FILE_RANGE;
1016 req->sv1 = newSVsv (fh); 1457 req->sv1 = newSVsv (fh);
1017 req->int1 = fd; 1458 req->int1 = fd;
1018 req->offs = offset; 1459 req->offs = offset;
1019 req->size = nbytes; 1460 req->size = nbytes;
1020 req->int2 = flags; 1461 req->int2 = flags;
1021 1462
1022 REQ_SEND (req); 1463 REQ_SEND;
1023} 1464}
1024 1465
1025void 1466void
1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1467aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027 PPCODE: 1468 PPCODE:
1028{ 1469{
1029 int fd = s_fileno_croak (fh, 0); 1470 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1471 dREQ;
1031 1472
1032 req->type = EIO_FALLOCATE; 1473 req->type = EIO_FALLOCATE;
1033 req->sv1 = newSVsv (fh); 1474 req->sv1 = newSVsv (fh);
1034 req->int1 = fd; 1475 req->int1 = fd;
1035 req->int2 = mode; 1476 req->int2 = mode;
1036 req->offs = offset; 1477 req->offs = offset;
1037 req->size = len; 1478 req->size = len;
1038 1479
1039 REQ_SEND (req); 1480 REQ_SEND;
1040} 1481}
1041 1482
1042void 1483void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef) 1484aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044 PPCODE: 1485 PPCODE:
1045{ 1486{
1046 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047 int fd = s_fileno_croak (fh, 0); 1487 int fd = s_fileno_croak (fh, 0);
1048 dREQ; 1488 dREQ;
1489#if 0
1490 /* partially duplicate logic in s_fileno */
1491 SvGETMAGIC (fh);
1049 1492
1050 if (expect_false (close_fd < 0)) 1493 if (SvROK (fh))
1494 {
1495 fh = SvRV (fh);
1496 SvGETMAGIC (fh);
1497 }
1498
1499 if (SvTYPE (fh) == SVt_PVGV)
1051 { 1500 {
1052 int pipefd [2]; 1501 /* perl filehandle */
1502 PerlIOUnix_refcnt_inc (fd);
1503 do_close ((GV *)fh, 1);
1053 1504
1054 if ( 1505 req->type = EIO_CLOSE;
1055#ifdef _WIN32 1506 req->int1 = fd;
1056 _pipe (pipefd, 1, _O_BINARY) < 0 1507 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
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 } 1508 }
1067 1509 else
1510#endif
1511 {
1512 /* fd number */
1068 req->type = EIO_DUP2; 1513 req->type = EIO_DUP2;
1069 req->int1 = close_fd; 1514 req->int1 = close_fd;
1515 req->sv2 = newSVsv (fh);
1516 req->int2 = fd;
1517 }
1518
1519 REQ_SEND;
1520}
1521
1522void
1523aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1524 PPCODE:
1525{
1526 int fd = s_fileno_croak (fh, 0);
1527 dREQ;
1528
1529 req->type = EIO_SEEK;
1070 req->sv2 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
1071 req->int2 = fd; 1531 req->int1 = fd;
1532 req->offs = SvVAL64 (offset);
1533 req->int2 = whence;
1072 1534
1073 REQ_SEND (req); 1535 REQ_SEND;
1074} 1536}
1075 1537
1076void 1538void
1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1539aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078 ALIAS: 1540 ALIAS:
1079 aio_read = EIO_READ 1541 aio_read = EIO_READ
1080 aio_write = EIO_WRITE 1542 aio_write = EIO_WRITE
1081 PPCODE: 1543 PPCODE:
1082{ 1544{
… …
1098 len = svlen - dataoffset; 1560 len = svlen - dataoffset;
1099 } 1561 }
1100 else 1562 else
1101 { 1563 {
1102 /* read: check type and grow scalar as necessary */ 1564 /* read: check type and grow scalar as necessary */
1103 SvUPGRADE (data, SVt_PV); 1565 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104 svptr = SvGROW (data, len + dataoffset + 1); 1566 svptr = sv_grow (data, len + dataoffset + 1);
1567 else if (SvCUR (data) < len + dataoffset)
1568 croak ("length + dataoffset outside of scalar, and cannot grow");
1105 } 1569 }
1106 1570
1107 { 1571 {
1108 dREQ; 1572 dREQ;
1109 1573
… …
1125 REQ_SEND; 1589 REQ_SEND;
1126 } 1590 }
1127} 1591}
1128 1592
1129void 1593void
1594aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1595 ALIAS:
1596 aio_ioctl = EIO_IOCTL
1597 aio_fcntl = EIO_FCNTL
1598 PPCODE:
1599{
1600 int fd = s_fileno_croak (fh, 0);
1601 char *svptr;
1602
1603 if (SvPOK (arg) || !SvNIOK (arg))
1604 {
1605 STRLEN svlen;
1606 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1607#ifdef IOCPARM_LEN
1608 STRLEN need = IOCPARM_LEN (request);
1609#else
1610 STRLEN need = 256;
1611#endif
1612
1613 if (svlen < need)
1614 svptr = SvGROW (arg, need);
1615 }
1616 else
1617 svptr = (char *)SvIV (arg);
1618
1619 {
1620 dREQ;
1621
1622 req->type = ix;
1623 req->sv1 = newSVsv (fh);
1624 req->int1 = fd;
1625 req->int2 = (long)request;
1626 req->sv2 = SvREFCNT_inc (arg);
1627 req->ptr2 = svptr;
1628
1629 REQ_SEND;
1630 }
1631}
1632
1633void
1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1634aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131 ALIAS: 1635 ALIAS:
1132 aio_readlink = EIO_READLINK 1636 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH 1637 aio_realpath = EIO_REALPATH
1134 PPCODE: 1638 PPCODE:
1135{ 1639{
1136 dREQ; 1640 dREQ;
1137 1641
1138 req->type = ix; 1642 req->type = ix;
1139 req->sv1 = newSVsv (path); 1643 req_set_path1 (req, pathname);
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 1644
1142 REQ_SEND; 1645 REQ_SEND;
1143} 1646}
1144 1647
1145void 1648void
1146aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1649aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147 PPCODE: 1650 PPCODE:
1148{ 1651{
1149 int ifd = s_fileno_croak (in_fh , 0); 1652 int ifd = s_fileno_croak (in_fh , 0);
1150 int ofd = s_fileno_croak (out_fh, 1); 1653 int ofd = s_fileno_croak (out_fh, 1);
1151 dREQ; 1654 dREQ;
1152 1655
1153 req->type = EIO_SENDFILE; 1656 req->type = EIO_SENDFILE;
1154 req->sv1 = newSVsv (out_fh); 1657 req->sv1 = newSVsv (out_fh);
1155 req->int1 = ofd; 1658 req->int1 = ofd;
… …
1160 1663
1161 REQ_SEND; 1664 REQ_SEND;
1162} 1665}
1163 1666
1164void 1667void
1165aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1668aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166 PPCODE: 1669 PPCODE:
1167{ 1670{
1168 int fd = s_fileno_croak (fh, 0); 1671 int fd = s_fileno_croak (fh, 0);
1169 dREQ; 1672 dREQ;
1170 1673
1171 req->type = EIO_READAHEAD; 1674 req->type = EIO_READAHEAD;
1172 req->sv1 = newSVsv (fh); 1675 req->sv1 = newSVsv (fh);
1173 req->int1 = fd; 1676 req->int1 = fd;
… …
1176 1679
1177 REQ_SEND; 1680 REQ_SEND;
1178} 1681}
1179 1682
1180void 1683void
1181aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1684aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182 ALIAS: 1685 ALIAS:
1183 aio_stat = EIO_STAT 1686 aio_stat = EIO_STAT
1184 aio_lstat = EIO_LSTAT 1687 aio_lstat = EIO_LSTAT
1185 aio_statvfs = EIO_STATVFS 1688 aio_statvfs = EIO_STATVFS
1186 PPCODE: 1689 PPCODE:
1187{ 1690{
1188 dREQ; 1691 dREQ;
1189 1692
1190 req->sv1 = newSVsv (fh_or_path); 1693 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 1694
1203 REQ_SEND; 1695 REQ_SEND;
1204} 1696}
1697
1698void
1699st_xtime ()
1700 ALIAS:
1701 st_atime = 0x01
1702 st_mtime = 0x02
1703 st_ctime = 0x04
1704 st_btime = 0x08
1705 st_xtime = 0x0f
1706 PPCODE:
1707 EXTEND (SP, 4);
1708 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1709 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1710 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1711 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1712
1713void
1714st_xtimensec ()
1715 ALIAS:
1716 st_atimensec = 0x01
1717 st_mtimensec = 0x02
1718 st_ctimensec = 0x04
1719 st_btimensec = 0x08
1720 st_xtimensec = 0x0f
1721 st_btimesec = 0x10
1722 st_gen = 0x20
1723 PPCODE:
1724 EXTEND (SP, 4);
1725 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1726 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1727 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1728 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1729 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1730 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1205 1731
1206UV 1732UV
1207major (UV dev) 1733major (UV dev)
1208 ALIAS: 1734 ALIAS:
1209 minor = 1 1735 minor = 1
1210 CODE: 1736 CODE:
1211 RETVAL = ix ? major (dev) : minor (dev); 1737 RETVAL = ix ? minor (dev) : major (dev);
1212 OUTPUT: 1738 OUTPUT:
1213 RETVAL 1739 RETVAL
1214 1740
1215UV 1741UV
1216makedev (UV maj, UV min) 1742makedev (UV maj, UV min)
… …
1218 RETVAL = makedev (maj, min); 1744 RETVAL = makedev (maj, min);
1219 OUTPUT: 1745 OUTPUT:
1220 RETVAL 1746 RETVAL
1221 1747
1222void 1748void
1223aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1749aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224 PPCODE: 1750 PPCODE:
1225{ 1751{
1226 dREQ; 1752 dREQ;
1227 1753
1228 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1754 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1755 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230 req->sv1 = newSVsv (fh_or_path); 1756 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 1757
1243 REQ_SEND; 1758 REQ_SEND;
1244} 1759}
1245 1760
1246void 1761void
1247aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1762aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248 PPCODE: 1763 PPCODE:
1249{ 1764{
1250 dREQ; 1765 dREQ;
1251 1766
1252 req->sv1 = newSVsv (fh_or_path);
1253 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1767 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254 1768 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 1769
1266 REQ_SEND; 1770 REQ_SEND;
1267} 1771}
1268 1772
1269void 1773void
1270aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1774aio_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: 1775 PPCODE:
1275{ 1776{
1276 dREQ; 1777 dREQ;
1277 1778
1278 req->int2 = mode; 1779 req->int2 = mode;
1279 req->sv1 = newSVsv (fh_or_path); 1780 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 1781
1292 REQ_SEND; 1782 REQ_SEND;
1293} 1783}
1294 1784
1295void 1785void
1296aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1786aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297 PPCODE: 1787 PPCODE:
1298{ 1788{
1299 dREQ; 1789 dREQ;
1300 1790
1301 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1791 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1792 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303 req->sv1 = newSVsv (fh_or_path); 1793 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 1794
1316 REQ_SEND; 1795 REQ_SEND;
1317} 1796}
1318 1797
1319void 1798void
1320aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1799aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321 PPCODE: 1800 PPCODE:
1322{ 1801{
1323 dREQ; 1802 dREQ;
1324 1803
1325 req->type = EIO_READDIR; 1804 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; 1805 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329 1806
1330 if (flags & EIO_READDIR_DENTS) 1807 if (flags & EIO_READDIR_DENTS)
1331 req->int1 |= EIO_READDIR_CUSTOM2; 1808 req->int1 |= EIO_READDIR_CUSTOM2;
1332 1809
1810 req_set_path1 (req, pathname);
1811
1333 REQ_SEND; 1812 REQ_SEND;
1334} 1813}
1335 1814
1336void 1815void
1816aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1817 PPCODE:
1818{
1819 dREQ;
1820
1821 req->type = EIO_MKDIR;
1822 req->int2 = mode;
1823 req_set_path1 (req, pathname);
1824
1825 REQ_SEND;
1826}
1827
1828void
1337aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1829aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338 ALIAS: 1830 ALIAS:
1339 aio_unlink = EIO_UNLINK 1831 aio_unlink = EIO_UNLINK
1340 aio_rmdir = EIO_RMDIR 1832 aio_rmdir = EIO_RMDIR
1341 aio_readdir = EIO_READDIR 1833 aio_readdir = EIO_READDIR
1342 PPCODE: 1834 PPCODE:
1343{ 1835{
1344 dREQ; 1836 dREQ;
1345 1837
1346 req->type = ix; 1838 req->type = ix;
1347 req->sv1 = newSVsv (pathname); 1839 req_set_path1 (req, pathname);
1348 req->ptr1 = SvPVbyte_nolen (req->sv1);
1349 1840
1350 REQ_SEND; 1841 REQ_SEND;
1351} 1842}
1352 1843
1353void 1844void
1354aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1845aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355 ALIAS: 1846 ALIAS:
1356 aio_link = EIO_LINK 1847 aio_link = EIO_LINK
1357 aio_symlink = EIO_SYMLINK 1848 aio_symlink = EIO_SYMLINK
1358 aio_rename = EIO_RENAME 1849 aio_rename = EIO_RENAME
1359 PPCODE: 1850 PPCODE:
1360{ 1851{
1852 eio_wd wd2 = 0;
1361 dREQ; 1853 dREQ;
1362 1854
1363 req->type = ix; 1855 req->type = ix;
1364 req->sv1 = newSVsv (oldpath); 1856 req_set_path1 (req, oldpath);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1); 1857 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366 req->sv2 = newSVsv (newpath); 1858 req->int3 = (long)wd2;
1367 req->ptr2 = SvPVbyte_nolen (req->sv2);
1368 1859
1369 REQ_SEND; 1860 REQ_SEND;
1370} 1861}
1371 1862
1372void 1863void
1864aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1865 PPCODE:
1866{
1867 eio_wd wd2 = 0;
1868 dREQ;
1869
1870 req->type = EIO_RENAME;
1871 req_set_path1 (req, oldpath);
1872 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1873 req->int2 = flags;
1874 req->int3 = (long)wd2;
1875
1876 REQ_SEND;
1877}
1878
1879void
1373aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1880aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374 PPCODE: 1881 PPCODE:
1375{ 1882{
1376 dREQ; 1883 dREQ;
1377 1884
1378 req->type = EIO_MKNOD; 1885 req->type = EIO_MKNOD;
1379 req->sv1 = newSVsv (pathname);
1380 req->ptr1 = SvPVbyte_nolen (req->sv1);
1381 req->int2 = (mode_t)mode; 1886 req->int2 = (mode_t)mode;
1382 req->offs = dev; 1887 req->offs = dev;
1888 req_set_path1 (req, pathname);
1383 1889
1384 REQ_SEND; 1890 REQ_SEND;
1385} 1891}
1386 1892
1387void 1893void
1388aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1894aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389 ALIAS: 1895 ALIAS:
1390 aio_mtouch = EIO_MTOUCH 1896 aio_mtouch = EIO_MTOUCH
1391 aio_msync = EIO_MSYNC 1897 aio_msync = EIO_MSYNC
1392 PPCODE: 1898 PPCODE:
1393{ 1899{
1394 STRLEN svlen; 1900 STRLEN svlen;
1395 char *svptr = SvPVbyte (data, svlen); 1901 char *svptr = SvPVbyte (data, svlen);
1396 UV len = SvUV (length); 1902 UV len = SvUV (length);
1903
1904 if (flags < 0)
1905 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397 1906
1398 if (offset < 0) 1907 if (offset < 0)
1399 offset += svlen; 1908 offset += svlen;
1400 1909
1401 if (offset < 0 || offset > svlen) 1910 if (offset < 0 || offset > svlen)
… …
1416 REQ_SEND; 1925 REQ_SEND;
1417 } 1926 }
1418} 1927}
1419 1928
1420void 1929void
1421aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1930aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422 PPCODE: 1931 PPCODE:
1423{ 1932{
1424 STRLEN svlen; 1933 STRLEN svlen;
1425 char *svptr = SvPVbyte (data, svlen); 1934 char *svptr = SvPVbyte (data, svlen);
1426 UV len = SvUV (length); 1935 UV len = SvUV (length);
… …
1445 REQ_SEND; 1954 REQ_SEND;
1446 } 1955 }
1447} 1956}
1448 1957
1449void 1958void
1450aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1959aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451 PPCODE: 1960 PPCODE:
1452{ 1961{
1453 dREQ; 1962 dREQ;
1454 1963
1455 req->type = EIO_MLOCKALL; 1964 req->type = EIO_MLOCKALL;
… …
1457 1966
1458 REQ_SEND; 1967 REQ_SEND;
1459} 1968}
1460 1969
1461void 1970void
1971aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1972 PPCODE:
1973{
1974 int fd = s_fileno_croak (fh, 0);
1975 dREQ;
1976
1977 req->type = EIO_CUSTOM;
1978 req->sv1 = newSVsv (fh);
1979 req->int1 = fd;
1980
1981 req->feed = fiemap;
1982#if HAVE_FIEMAP
1983 /* keep our fingers crossed that the next two types are 64 bit */
1984 req->offs = start;
1985 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1986 req->int2 = flags;
1987 req->int3 = SvOK (count) ? SvIV (count) : -1;
1988#endif
1989
1990 REQ_SEND;
1991}
1992
1993void
1994aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1995 PPCODE:
1996{
1997 char *svptr = 0;
1998
1999 sv_clear_foreign (data);
2000
2001 if (length) /* known length, directly read into scalar */
2002 {
2003 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2004 svptr = sv_grow (data, length + 1);
2005 else if (SvCUR (data) < length)
2006 croak ("length outside of scalar, and cannot grow");
2007 else
2008 svptr = SvPVbyte_nolen (data);
2009 }
2010
2011 {
2012 dREQ;
2013
2014 req->type = EIO_SLURP;
2015 req_set_path1 (req, pathname);
2016 req->offs = offset;
2017 req->size = length;
2018 req->sv2 = SvREFCNT_inc (data);
2019 req->ptr2 = svptr;
2020
2021 if (!SvREADONLY (data))
2022 {
2023 SvREADONLY_on (data);
2024 req->flags |= FLAG_SV2_RO_OFF;
2025 }
2026
2027 REQ_SEND;
2028 }
2029}
2030
2031void
1462aio_busy (double delay, SV *callback=&PL_sv_undef) 2032aio_busy (double delay, SV *callback = &PL_sv_undef)
1463 PPCODE: 2033 PPCODE:
1464{ 2034{
1465 dREQ; 2035 dREQ;
1466 2036
1467 req->type = EIO_BUSY; 2037 req->type = EIO_BUSY;
… …
1469 2039
1470 REQ_SEND; 2040 REQ_SEND;
1471} 2041}
1472 2042
1473void 2043void
1474aio_group (SV *callback=&PL_sv_undef) 2044aio_group (SV *callback = &PL_sv_undef)
1475 PPCODE: 2045 PPCODE:
1476{ 2046{
1477 dREQ; 2047 dREQ;
1478 2048
1479 req->type = EIO_GROUP; 2049 req->type = EIO_GROUP;
1480 2050
2051 PUTBACK;
1481 req_submit (req); 2052 req_submit (req);
2053 SPAGAIN;
2054
1482 XPUSHs (req_sv (req, aio_grp_stash)); 2055 XPUSHs (req_sv (req, aio_grp_stash));
1483} 2056}
1484 2057
1485void 2058void
1486aio_nop (SV *callback=&PL_sv_undef) 2059aio_nop (SV *callback = &PL_sv_undef)
1487 ALIAS: 2060 ALIAS:
1488 aio_nop = EIO_NOP 2061 aio_nop = EIO_NOP
1489 aio_sync = EIO_SYNC 2062 aio_sync = EIO_SYNC
1490 PPCODE: 2063 PPCODE:
1491{ 2064{
… …
1495 2068
1496 REQ_SEND; 2069 REQ_SEND;
1497} 2070}
1498 2071
1499int 2072int
1500aioreq_pri (int pri = 0) 2073aioreq_pri (int pri = NO_INIT)
1501 CODE: 2074 CODE:
1502 RETVAL = next_pri; 2075 RETVAL = next_pri;
1503 if (items > 0) 2076 if (items > 0)
1504 { 2077 {
1505 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2078 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1587 CODE: 2160 CODE:
1588 RETVAL = posix_fadvise (fh, offset, length, advice); 2161 RETVAL = posix_fadvise (fh, offset, length, advice);
1589 OUTPUT: 2162 OUTPUT:
1590 RETVAL 2163 RETVAL
1591 2164
1592ssize_t 2165IV
1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2166sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594 CODE: 2167 CODE:
1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2168 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596 OUTPUT: 2169 OUTPUT:
1597 RETVAL 2170 RETVAL
1598 2171
1599void 2172void
1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2173mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601 PPCODE: 2174 PPCODE:
1602 sv_unmagic (scalar, MMAP_MAGIC); 2175 sv_clear_foreign (scalar);
1603{ 2176{
1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2177 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2178 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1606 if (addr == (void *)-1) 2179 if (addr == (void *)-1)
1607 XSRETURN_NO; 2180 XSRETURN_NO;
1608 2181
1609 sv_force_normal (scalar); 2182 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 2183
1617 if (!(prot & PROT_WRITE)) 2184 if (!(prot & PROT_WRITE))
1618 SvREADONLY_on (scalar); 2185 SvREADONLY_on (scalar);
1619 2186
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; 2187 XSRETURN_YES;
1629} 2188}
1630 2189
1631void 2190void
1632munmap (SV *scalar) 2191munmap (SV *scalar)
1633 CODE: 2192 CODE:
1634 sv_unmagic (scalar, MMAP_MAGIC); 2193 sv_clear_foreign (scalar);
2194
2195SV *
2196mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2197 CODE:
2198{
2199 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2200 void *new;
2201
2202 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2203 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2204
2205 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2206
2207 RETVAL = &PL_sv_no;
2208
2209 if (new != (void *)-1)
2210 {
2211 RETVAL = new == (void *)mg->mg_ptr
2212 ? newSVpvn ("0 but true", 10)
2213 : &PL_sv_yes;
2214
2215 mg->mg_ptr = (char *)new;
2216 mg->mg_obj = (SV *)new_length;
2217
2218 SvPVX (scalar) = mg->mg_ptr;
2219 SvCUR_set (scalar, new_length);
2220 }
2221}
2222 OUTPUT:
2223 RETVAL
1635 2224
1636int 2225int
1637madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2226madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638 ALIAS: 2227 ALIAS:
1639 mprotect = 1 2228 mprotect = 1
1640 CODE: 2229 CODE:
1641{ 2230{
1642 STRLEN svlen; 2231 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen); 2232 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length); 2233 STRLEN len = SvUV (length);
1645 2234
1646 if (offset < 0) 2235 if (offset < 0)
1647 offset += svlen; 2236 offset += svlen;
1648 2237
1649 if (offset < 0 || offset > svlen) 2238 if (offset < 0 || offset > svlen)
… …
1663} 2252}
1664 OUTPUT: 2253 OUTPUT:
1665 RETVAL 2254 RETVAL
1666 2255
1667int 2256int
1668munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2257munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1669 CODE: 2258 CODE:
1670{ 2259{
1671 STRLEN svlen; 2260 STRLEN svlen;
1672 void *addr = SvPVbyte (scalar, svlen); 2261 void *addr = SvPVbyte (scalar, svlen);
1673 size_t len = SvUV (length); 2262 size_t len = SvUV (length);
1674 2263
1675 if (offset < 0) 2264 if (offset < 0)
1676 offset += svlen; 2265 offset += svlen;
1677 2266
… …
1684 addr = (void *)(((intptr_t)addr) + offset); 2273 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len); 2274 eio_page_align (&addr, &len);
1686#if _POSIX_MEMLOCK_RANGE 2275#if _POSIX_MEMLOCK_RANGE
1687 RETVAL = munlock (addr, len); 2276 RETVAL = munlock (addr, len);
1688#else 2277#else
1689 RETVAL = ((errno = ENOSYS), -1); 2278 RETVAL = EIO_ENOSYS ();
1690#endif 2279#endif
1691} 2280}
1692 OUTPUT: 2281 OUTPUT:
2282 RETVAL
2283
2284int
2285mlockall (int flags)
2286 PROTOTYPE: $;
2287 CODE:
2288 RETVAL = eio_mlockall_sync (flags);
2289 OUTPUT:
1693 RETVAL 2290 RETVAL
1694 2291
1695int 2292int
1696munlockall () 2293munlockall ()
1697 CODE: 2294 CODE:
1698#if _POSIX_MEMLOCK 2295#if _POSIX_MEMLOCK
1699 munlockall (); 2296 munlockall ();
1700#else 2297#else
1701 RETVAL = -1; 2298 RETVAL = EIO_ENOSYS ();
1702 errno = ENOSYS;
1703#endif 2299#endif
1704 OUTPUT: 2300 OUTPUT:
1705 RETVAL 2301 RETVAL
2302
2303int
2304splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2305 CODE:
2306{
2307#if HAVE_LINUX_SPLICE
2308 loff_t off_in_, off_out_;
2309 RETVAL = splice (
2310 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2311 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2312 length, flags
2313 );
2314#else
2315 RETVAL = EIO_ENOSYS ();
2316#endif
2317}
2318 OUTPUT:
2319 RETVAL
2320
2321int
2322tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2323 CODE:
2324#if HAVE_LINUX_SPLICE
2325 RETVAL = tee (rfh, wfh, length, flags);
2326#else
2327 RETVAL = EIO_ENOSYS ();
2328#endif
2329 OUTPUT:
2330 RETVAL
2331
2332int
2333pipesize (aio_rfd rfh, int new_size = -1)
2334 PROTOTYPE: $;$
2335 CODE:
2336#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2337 if (new_size >= 0)
2338 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2339 else
2340 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2341#else
2342 errno = ENOSYS;
2343 RETVAL = -1;
2344#endif
2345 OUTPUT:
2346 RETVAL
2347
2348void
2349pipe2 (int flags = 0)
2350 PROTOTYPE: ;$
2351 PPCODE:
2352{
2353 int fd[2];
2354 int res;
2355
2356 if (flags)
2357#if HAVE_PIPE2
2358 res = pipe2 (fd, flags);
2359#else
2360 res = (errno = ENOSYS, -1);
2361#endif
2362 else
2363 res = pipe (fd);
2364
2365 if (!res)
2366 {
2367 EXTEND (SP, 2);
2368 PUSHs (newmortalFH (fd[0], O_RDONLY));
2369 PUSHs (newmortalFH (fd[1], O_WRONLY));
2370 }
2371}
2372
2373void
2374eventfd (unsigned int initval = 0, int flags = 0)
2375 PPCODE:
2376{
2377 int fd;
2378#if HAVE_EVENTFD
2379 fd = eventfd (initval, flags);
2380#else
2381 fd = (errno = ENOSYS, -1);
2382#endif
2383
2384 XPUSHs (newmortalFH (fd, O_RDWR));
2385}
2386
2387void
2388timerfd_create (int clockid, int flags = 0)
2389 PPCODE:
2390{
2391 int fd;
2392#if HAVE_TIMERFD
2393 fd = timerfd_create (clockid, flags);
2394#else
2395 fd = (errno = ENOSYS, -1);
2396#endif
2397
2398 XPUSHs (newmortalFH (fd, O_RDWR));
2399}
2400
2401void
2402timerfd_settime (SV *fh, int flags, NV interval, NV value)
2403 PPCODE:
2404{
2405 int fd = s_fileno_croak (fh, 0);
2406#if HAVE_TIMERFD
2407 int res;
2408 struct itimerspec its, ots;
2409
2410 ts_set (&its.it_interval, interval);
2411 ts_set (&its.it_value , value);
2412 res = timerfd_settime (fd, flags, &its, &ots);
2413
2414 if (!res)
2415 {
2416 EXTEND (SP, 2);
2417 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2418 PUSHs (newSVnv (ts_get (&ots.it_value)));
2419 }
2420#else
2421 errno = ENOSYS;
2422#endif
2423}
2424
2425void
2426timerfd_gettime (SV *fh)
2427 PPCODE:
2428{
2429 int fd = s_fileno_croak (fh, 0);
2430#if HAVE_TIMERFD
2431 int res;
2432 struct itimerspec ots;
2433 res = timerfd_gettime (fd, &ots);
2434
2435 if (!res)
2436 {
2437 EXTEND (SP, 2);
2438 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2439 PUSHs (newSVnv (ts_get (&ots.it_value)));
2440 }
2441#else
2442 errno = ENOSYS;
2443#endif
2444}
2445
2446UV
2447get_fdlimit ()
2448 CODE:
2449#if HAVE_RLIMITS
2450 struct rlimit rl;
2451 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2452 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2453#endif
2454 XSRETURN_UNDEF;
2455 OUTPUT:
2456 RETVAL
2457
2458void
2459min_fdlimit (UV limit = 0x7fffffffU)
2460 CODE:
2461{
2462#if HAVE_RLIMITS
2463 struct rlimit rl;
2464 rlim_t orig_rlim_max;
2465 UV bit;
2466
2467 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2468 goto fail;
2469
2470 if (rl.rlim_cur == RLIM_INFINITY)
2471 XSRETURN_YES;
2472
2473 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2474
2475 if (rl.rlim_cur < limit)
2476 {
2477 rl.rlim_cur = limit;
2478
2479 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2480 rl.rlim_max = rl.rlim_cur;
2481 }
2482
2483 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2484 XSRETURN_YES;
2485
2486 if (errno == EPERM)
2487 {
2488 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2489 /* our limit overflows a system-wide limit */
2490 /* try an adaptive algorithm, but do not lower the hardlimit */
2491 rl.rlim_max = 0;
2492 for (bit = 0x40000000U; bit; bit >>= 1)
2493 {
2494 rl.rlim_max |= bit;
2495 rl.rlim_cur = rl.rlim_max;
2496
2497 /* nevr decrease the hard limit */
2498 if (rl.rlim_max < orig_rlim_max)
2499 break;
2500
2501 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2502 rl.rlim_max &= ~bit; /* too high, remove bit again */
2503 }
2504
2505 /* now, raise the soft limit to the max permitted */
2506 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2507 {
2508 rl.rlim_cur = rl.rlim_max;
2509 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2510 errno = EPERM;
2511 }
2512 }
2513#endif
2514 fail:
2515 XSRETURN_UNDEF;
2516}
1706 2517
1707void _on_next_submit (SV *cb) 2518void _on_next_submit (SV *cb)
1708 CODE: 2519 CODE:
1709 SvREFCNT_dec (on_next_submit); 2520 SvREFCNT_dec (on_next_submit);
1710 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2521 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711 2522
1712PROTOTYPES: DISABLE 2523PROTOTYPES: DISABLE
1713 2524
2525MODULE = IO::AIO PACKAGE = IO::AIO::WD
2526
2527BOOT:
2528{
2529 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2530 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2531}
2532
2533void
2534DESTROY (SV *self)
2535 CODE:
2536{
2537 aio_wd wd = SvAIO_WD (self);
2538#if HAVE_AT
2539 {
2540 SV *callback = &PL_sv_undef;
2541 dREQ; /* clobbers next_pri :/ */
2542 next_pri = req->pri; /* restore next_pri */
2543 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2544 req->type = EIO_WD_CLOSE;
2545 req->wd = wd;
2546 REQ_SEND;
2547 }
2548#else
2549 eio_wd_close_sync (wd);
2550#endif
2551}
2552
1714MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2553MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715 2554
1716void 2555void
1717cancel (aio_req_ornot req) 2556cancel (aio_req_ornot req)
1718 CODE: 2557 CODE:
1719 eio_cancel (req); 2558 eio_cancel (req);
1720 2559
1721void 2560void
1722cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2561cb (aio_req_ornot req, SV *callback = NO_INIT)
1723 PPCODE: 2562 PPCODE:
1724{ 2563{
1725 if (GIMME_V != G_VOID) 2564 if (GIMME_V != G_VOID)
1726 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2565 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727 2566
1728 if (items > 1) 2567 if (items > 1)
1729 { 2568 {
1730 SV *cb_cv =get_cb (callback); 2569 SV *cb_cv = get_cb (callback);
1731 2570
1732 SvREFCNT_dec (req->callback); 2571 SvREFCNT_dec (req->callback);
1733 req->callback = SvREFCNT_inc (cb_cv); 2572 req->callback = SvREFCNT_inc (cb_cv);
1734 } 2573 }
1735} 2574}
… …
1792limit (aio_req grp, int limit) 2631limit (aio_req grp, int limit)
1793 CODE: 2632 CODE:
1794 eio_grp_limit (grp, limit); 2633 eio_grp_limit (grp, limit);
1795 2634
1796void 2635void
1797feed (aio_req grp, SV *callback=&PL_sv_undef) 2636feed (aio_req grp, SV *callback = &PL_sv_undef)
1798 CODE: 2637 CODE:
1799{ 2638{
1800 SvREFCNT_dec (grp->sv2); 2639 SvREFCNT_dec (grp->sv2);
1801 grp->sv2 = newSVsv (callback); 2640 grp->sv2 = newSVsv (callback);
1802 grp->feed = aio_grp_feed; 2641 grp->feed = aio_grp_feed;

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