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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.180 by root, Fri Feb 11 00:05:17 2011 UTC vs.
Revision 1.272 by root, Wed Jan 2 16:32:57 2019 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 20#include <limits.h>
18#include <fcntl.h> 21#include <fcntl.h>
19#include <sched.h> 22#include <sched.h>
20 23
21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
84 84
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 85#else
91# define VAL64 NV 86
92# define SvVAL64 SvNV 87 #include <sys/time.h>
93# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
94#endif 95#endif
95 96
96/*****************************************************************************/ 97/*****************************************************************************/
97 98
98#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
106 107
107/*****************************************************************************/ 108/*****************************************************************************/
108 109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec
125# define CTIMENSEC PL_statcache.st_ctimensec
126#elif HAVE_ST_XTIMESPEC
127# define ATIMENSEC PL_statcache.st_atim.tv_nsec
128# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
129# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
130#else
131# define ATIMENSEC 0
132# define MTIMENSEC 0
133# define CTIMENSEC 0
134#endif
135
136#if HAVE_ST_BIRTHTIMENSEC
137# define BTIMESEC PL_statcache.st_birthtime
138# define BTIMENSEC PL_statcache.st_birthtimensec
139#elif HAVE_ST_BIRTHTIMESPEC
140# define BTIMESEC PL_statcache.st_birthtim.tv_sec
141# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
142#else
143# define BTIMESEC 0
144# define BTIMENSEC 0
145#endif
146
147#if HAVE_ST_GEN
148# define ST_GEN PL_statcache.st_gen
149#else
150# define ST_GEN 0
151#endif
152
153#include "schmorp.h"
154
155#if HAVE_EVENTFD
156# include <sys/eventfd.h>
157#endif
158
159#if HAVE_TIMERFD
160# include <sys/timerfd.h>
161#endif
162
163#if HAVE_RLIMITS
164 #include <sys/time.h>
165 #include <sys/resource.h>
166#endif
167
109typedef SV SV8; /* byte-sv, used for argument-checking */ 168typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 169typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 170typedef int aio_wfd; /* write file descriptor */
112 171
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 173
115#define EIO_REQ_MEMBERS \ 174#define EIO_REQ_MEMBERS \
116 SV *callback; \ 175 SV *callback; \
117 SV *sv1, *sv2; \ 176 SV *sv1, *sv2; \
177 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 178 STRLEN stroffset; \
119 SV *self; 179 SV *self;
120 180
121#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
122 182
123#include "libeio/config.h"
124#include "libeio/eio.h" 183#include "libeio/eio.h"
125 184
126#ifndef POSIX_FADV_NORMAL 185static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 186#define EIO_FINISH(req) req_invoke (req)
128#endif 187static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 188#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 189
131#endif 190#include "libeio/eio.c"
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 191
145#if !HAVE_POSIX_FADVISE 192#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 194#endif
148 195
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 196#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 197# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif
212
213#ifndef S_IFIFO
214# define S_IFIFO 0
215#endif
216#ifndef S_IFCHR
217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
236#endif 198#endif
237 199
238#ifndef MAP_ANONYMOUS 200#ifndef MAP_ANONYMOUS
239# ifdef MAP_ANON 201# ifdef MAP_ANON
240# define MAP_ANONYMOUS MAP_ANON 202# define MAP_ANONYMOUS MAP_ANON
241# else 203# else
242# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
243# endif 205# endif
244#endif 206#endif
245#ifndef MAP_HUGETLB
246# define MAP_HUGETLB 0
247#endif
248#ifndef MAP_LOCKED
249# define MAP_LOCKED 0
250#endif
251#ifndef MAP_NORESERVE
252# define MAP_NORESERVE 0
253#endif
254#ifndef MAP_POPULATE
255# define MAP_POPULATE 0
256#endif
257#ifndef MAP_NONBLOCK
258# define MAP_NONBLOCK 0
259#endif
260 207
261#ifndef makedev 208#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min)) 209# define makedev(maj,min) (((maj) << 8) | (min))
263#endif 210#endif
264#ifndef major 211#ifndef major
… …
266#endif 213#endif
267#ifndef minor 214#ifndef minor
268# define minor(dev) ((dev) & 0xff) 215# define minor(dev) ((dev) & 0xff)
269#endif 216#endif
270 217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
271#ifndef PAGESIZE 220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
272# define PAGESIZE sysconf (_SC_PAGESIZE) 224# define PAGESIZE sysconf (_SC_PAGESIZE)
273#endif 225#endif
274 226
275static int req_invoke (eio_req *req); 227/*****************************************************************************/
276#define EIO_FINISH(req) req_invoke (req) 228
277static void req_destroy (eio_req *grp); 229#if !_POSIX_MAPPED_FILES
278#define EIO_DESTROY(req) req_destroy (req) 230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS ()
232#endif
233
234#if !_POSIX_MEMORY_PROTECTION
235# define mprotect(addr,len,prot) EIO_ENOSYS ()
236#endif
237
238#if !MREMAP_MAYMOVE
239# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
240#endif
241
242#define FOREIGN_MAGIC PERL_MAGIC_ext
243
244static int ecb_cold
245mmap_free (pTHX_ SV *sv, MAGIC *mg)
246{
247 int old_errno = errno;
248 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
249 errno = old_errno;
250
251 mg->mg_obj = 0; /* just in case */
252
253 SvREADONLY_off (sv);
254
255 if (SvPVX (sv) != mg->mg_ptr)
256 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
257
258 SvCUR_set (sv, 0);
259 SvPVX (sv) = 0;
260 SvOK_off (sv);
261
262 return 0;
263}
264
265static MGVTBL mmap_vtbl = {
266 0, 0, 0, 0, mmap_free
267};
268
269static int ecb_cold
270sysfree_free (pTHX_ SV *sv, MAGIC *mg)
271{
272 free (mg->mg_ptr);
273 mg->mg_obj = 0; /* just in case */
274
275 SvREADONLY_off (sv);
276
277 if (SvPVX (sv) != mg->mg_ptr)
278 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
279
280 SvCUR_set (sv, 0);
281 SvPVX (sv) = 0;
282 SvOK_off (sv);
283
284 return 0;
285}
286
287static MGVTBL sysfree_vtbl = {
288 0, 0, 0, 0, sysfree_free
289};
290
291/*****************************************************************************/
292
293/* helper: set scalar to foreign ptr with custom free */
294static void
295sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
296{
297 sv_force_normal (sv);
298
299 /* we store the length in mg_obj, as namlen is I32 :/ */
300 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
301 ->mg_obj = (SV *)length;
302
303 SvUPGRADE (sv, SVt_PV); /* nop... */
304
305 if (SvLEN (sv))
306 Safefree (SvPVX (sv));
307
308 SvPVX (sv) = (char *)addr;
309 SvCUR_set (sv, length);
310 SvLEN_set (sv, 0);
311 SvPOK_only (sv);
312}
313
314static void
315sv_clear_foreign (SV *sv)
316{
317 /* todo: iterate over magic and only free ours, but of course */
318 /* the perl5porters will call that (correct) behaviour buggy */
319 sv_unmagic (sv, FOREIGN_MAGIC);
320}
321
322/*****************************************************************************/
323
324/* defines all sorts of constants to 0 unless they are already defined */
325/* also provides const_iv_ and const_niv_ macros for them */
326#include "def0.h"
327
328/*****************************************************************************/
329
330static void
331fiemap (eio_req *req)
332{
333 req->result = -1;
334
335#if HAVE_FIEMAP
336 /* assume some c99 */
337 struct fiemap *fiemap = 0;
338 size_t end_offset;
339 int count = req->int3;
340
341 req->flags |= EIO_FLAG_PTR1_FREE;
342
343 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
344 /* increase in 3.5kb steps */
345 if (count < 0)
346 count = 8;
347
348 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
349 errno = ENOMEM;
350 if (!fiemap)
351 return;
352
353 req->ptr1 = fiemap;
354
355 fiemap->fm_start = req->offs;
356 fiemap->fm_length = req->size;
357 fiemap->fm_flags = req->int2;
358 fiemap->fm_extent_count = count;
359
360 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
361 return;
362
363 if (req->int3 >= 0 /* not autosizing */
364 || !fiemap->fm_mapped_extents /* no more extents */
365 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
366 goto done;
367
368 /* else we have to loop -
369 * it would be tempting (actually I tried that first) to just query the
370 * number of extents needed, but linux often feels like not returning all
371 * extents, without telling us it left any out. this complicates
372 * this quite a bit.
373 */
374
375 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
376
377 for (;;)
378 {
379 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
380 char scratch[3072];
381 struct fiemap *incmap = (struct fiemap *)scratch;
382
383 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
384 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
385 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
386 incmap->fm_flags = fiemap->fm_flags;
387 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
388
389 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
390 return;
391
392 if (!incmap->fm_mapped_extents)
393 goto done;
394
395 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
396 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
397 errno = ENOMEM;
398 if (!fiemap)
399 return;
400
401 req->ptr1 = fiemap;
402
403 for (count = 0; count < incmap->fm_mapped_extents; ++count)
404 {
405 struct fiemap_extent *e = incmap->fm_extents + count;
406
407 if (e->fe_logical + e->fe_length >= end_offset)
408 goto done;
409
410 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
411
412 if (e->fe_flags & FIEMAP_EXTENT_LAST)
413 goto done;
414
415 }
416 }
417
418done:
419 req->result = 0;
420
421#else
422 errno = ENOSYS;
423#endif
424}
425
426/*****************************************************************************/
427
428static int close_fd; /* dummy fd to close fds via dup2 */
279 429
280enum { 430enum {
281 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
282}; 432};
283 433
284#include "libeio/eio.c"
285
286typedef eio_req *aio_req; 434typedef eio_req *aio_req;
287typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
288 437
289static SV *on_next_submit; 438static SV *on_next_submit;
290static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
291static int max_outstanding; 440static int max_outstanding;
292 441
293static s_epipe respipe; 442static s_epipe respipe;
294 443
295static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
296static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
297 446
298static void want_poll (void) 447static void
448want_poll (void)
299{ 449{
300 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
301 s_epipe_signal (&respipe); 451 s_epipe_signal (&respipe);
302} 452}
303 453
304static void done_poll (void) 454static void
455done_poll (void)
305{ 456{
306 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
307 s_epipe_drain (&respipe); 458 s_epipe_drain (&respipe);
308} 459}
309 460
310/* must be called at most once */ 461/* must be called at most once */
462static SV *
311static SV *req_sv (aio_req req, HV *stash) 463req_sv (aio_req req, HV *stash)
312{ 464{
313 if (!req->self) 465 if (!req->self)
314 { 466 {
315 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
316 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
317 } 469 }
318 470
319 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
320} 472}
321 473
322static aio_req SvAIO_REQ (SV *sv) 474static SV *
475newSVaio_wd (aio_wd wd)
476{
477 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
478}
479
480static aio_req
481SvAIO_REQ (SV *sv)
323{ 482{
324 MAGIC *mg; 483 MAGIC *mg;
325 484
326 if (!SvROK (sv) 485 if (!SvROK (sv)
486 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
327 || (SvSTASH (SvRV (sv)) != aio_grp_stash 487 || (SvSTASH (SvRV (sv)) != aio_grp_stash
328 && SvSTASH (SvRV (sv)) != aio_req_stash 488 && SvSTASH (SvRV (sv)) != aio_req_stash
329 && !sv_derived_from (sv, "IO::AIO::REQ"))) 489 && !sv_derived_from (sv, "IO::AIO::REQ")))
330 croak ("object of class IO::AIO::REQ expected"); 490 croak ("object of class IO::AIO::REQ expected");
331 491
332 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
333 493
334 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
335} 495}
336 496
497static aio_wd
498SvAIO_WD (SV *sv)
499{
500 if (!SvROK (sv)
501 || SvTYPE (SvRV (sv)) != SVt_PVMG
502 || SvSTASH (SvRV (sv)) != aio_wd_stash)
503 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
504
505 return (aio_wd)(long)SvIVX (SvRV (sv));
506}
507
508static SV *
509newmortalFH (int fd, int flags)
510{
511 if (fd < 0)
512 return &PL_sv_undef;
513
514 GV *gv = (GV *)sv_newmortal ();
515 char sym[64];
516 int symlen;
517
518 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
519 gv_init (gv, aio_stash, sym, symlen, 0);
520
521 symlen = snprintf (
522 sym,
523 sizeof (sym),
524 "%s&=%d",
525 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
526 fd
527 );
528
529 return do_open (gv, sym, symlen, 0, 0, 0, 0)
530 ? (SV *)gv : &PL_sv_undef;
531}
532
533static void
337static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
338{ 535{
339 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
340 { 537 {
341 dSP; 538 dSP;
342 539
… …
350 FREETMPS; 547 FREETMPS;
351 LEAVE; 548 LEAVE;
352 } 549 }
353} 550}
354 551
552static void
355static void req_submit (eio_req *req) 553req_submit (eio_req *req)
356{ 554{
357 eio_submit (req); 555 eio_submit (req);
358 556
359 if (expect_false (on_next_submit)) 557 if (expect_false (on_next_submit))
360 { 558 {
… …
367 PUTBACK; 565 PUTBACK;
368 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
369 } 567 }
370} 568}
371 569
570static int
372static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
373{ 572{
374 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
375 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
376 575
377 if (!EIO_CANCELLED (req) && req->callback) 576 if (!EIO_CANCELLED (req) && req->callback)
… …
398 SvREADONLY_on (sv_result); 597 SvREADONLY_on (sv_result);
399 } 598 }
400 599
401 switch (req->type) 600 switch (req->type)
402 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
403 case EIO_READDIR: 606 case EIO_READDIR:
404 { 607 {
405 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
406 609
407 if (req->result >= 0) 610 if (req->result >= 0)
… …
460 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 663 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
461 } 664 }
462 break; 665 break;
463 666
464 case EIO_OPEN: 667 case EIO_OPEN:
465 { 668 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
466 /* convert fd to fh */
467 SV *fh = &PL_sv_undef;
468
469 if (req->result >= 0)
470 {
471 GV *gv = (GV *)sv_newmortal ();
472 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
473 char sym [64];
474 int symlen;
475
476 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
477 gv_init (gv, aio_stash, sym, symlen, 0);
478
479 symlen = snprintf (
480 sym,
481 sizeof (sym),
482 "%s&=%d",
483 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
484 (int)req->result
485 );
486
487 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
488 fh = (SV *)gv;
489 }
490
491 PUSHs (fh);
492 }
493 break; 669 break;
494 670
495 case EIO_STATVFS: 671 case EIO_STATVFS:
496 case EIO_FSTATVFS: 672 case EIO_FSTATVFS:
497 { 673 {
498 SV *rv = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
499 675
676#ifndef _WIN32
500 if (req->result >= 0) 677 if (req->result >= 0)
501 { 678 {
502 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
503 HV *hv = newHV (); 680 HV *hv = newHV ();
681 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
682 * chooses to make it a struct.
683 */
684 unsigned long fsid = 0;
685 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
504 686
505 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
506 688
507 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 689 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
508 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 690 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
510 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 692 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
511 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 693 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
512 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 694 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
513 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 695 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
514 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 696 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
515 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 697 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
516 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 698 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
517 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 699 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
518 } 700 }
701#endif
519 702
520 PUSHs (rv); 703 PUSHs (rv);
521 } 704 }
522 705
523 break; 706 break;
… …
539 case EIO_NOP: 722 case EIO_NOP:
540 case EIO_BUSY: 723 case EIO_BUSY:
541 break; 724 break;
542 725
543 case EIO_READLINK: 726 case EIO_READLINK:
727 case EIO_REALPATH:
544 if (req->result > 0) 728 if (req->result > 0)
545 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 729 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
546 break; 730 break;
547 731
548 case EIO_STAT: 732 case EIO_STAT:
549 case EIO_LSTAT: 733 case EIO_LSTAT:
550 case EIO_FSTAT: 734 case EIO_FSTAT:
551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
552 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
740
554 PUSHs (sv_result); 741 PUSHs (sv_result);
742 break;
743
744 case EIO_SEEK:
745 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
555 break; 746 break;
556 747
557 case EIO_READ: 748 case EIO_READ:
558 { 749 {
559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 750 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
562 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
563 PUSHs (sv_result); 754 PUSHs (sv_result);
564 } 755 }
565 break; 756 break;
566 757
758 case EIO_SLURP:
759 {
760 if (req->result >= 0)
761 {
762 /* if length was originally not known, we steal the malloc'ed memory */
763 if (req->flags & EIO_FLAG_PTR2_FREE)
764 {
765 req->flags &= ~EIO_FLAG_PTR2_FREE;
766 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
767 }
768 else
769 {
770 SvCUR_set (req->sv2, req->result);
771 *SvEND (req->sv2) = 0;
772 SvPOK_only (req->sv2);
773 }
774
775 SvSETMAGIC (req->sv2);
776 }
777
778 PUSHs (sv_result);
779 }
780 break;
781
782 case EIO_CUSTOM:
783 if (req->feed == fiemap)
784 {
785#if HAVE_FIEMAP
786 if (!req->result)
787 {
788 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
789
790 if (fiemap->fm_extent_count)
791 {
792 AV *av = newAV ();
793 int i;
794
795 while (fiemap->fm_mapped_extents)
796 {
797 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
798 AV *ext_av = newAV ();
799
800 av_store (ext_av, 3, newSVuv (extent->fe_flags));
801 av_store (ext_av, 2, newSVval64 (extent->fe_length));
802 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
803 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
804
805 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
806 }
807
808 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
809 }
810 else
811 {
812 SvIV_set (sv_result, fiemap->fm_mapped_extents);
813 PUSHs (sv_result);
814 }
815 }
816#endif
817 }
818 else
819 PUSHs (sv_result);
820 break;
821
567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 822 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
568 if (req->result > 0) 823 if (req->result > 0)
569 SvIV_set (sv_result, 0); 824 SvIV_set (sv_result, 0);
570 /* FALLTHROUGH */ 825 /* FALLTHROUGH */
571 826
… …
592 } 847 }
593 848
594 return !!SvTRUE (ERRSV); 849 return !!SvTRUE (ERRSV);
595} 850}
596 851
852static void
597static void req_destroy (aio_req req) 853req_destroy (aio_req req)
598{ 854{
599 if (req->self) 855 if (req->self)
600 { 856 {
601 sv_unmagic (req->self, PERL_MAGIC_ext); 857 sv_unmagic (req->self, PERL_MAGIC_ext);
602 SvREFCNT_dec (req->self); 858 SvREFCNT_dec (req->self);
603 } 859 }
604 860
605 SvREFCNT_dec (req->sv1); 861 SvREFCNT_dec (req->sv1);
606 SvREFCNT_dec (req->sv2); 862 SvREFCNT_dec (req->sv2);
863 SvREFCNT_dec (req->sv3);
864 SvREFCNT_dec (req->sv4);
607 SvREFCNT_dec (req->callback); 865 SvREFCNT_dec (req->callback);
608 866
609 Safefree (req); 867 free (req);
610} 868}
611 869
870static void
612static void req_cancel_subs (aio_req grp) 871req_cancel_subs (aio_req grp)
613{ 872{
614 aio_req sub;
615
616 if (grp->type != EIO_GROUP) 873 if (grp->type != EIO_GROUP)
617 return; 874 return;
618 875
619 SvREFCNT_dec (grp->sv2); 876 SvREFCNT_dec (grp->sv2);
620 grp->sv2 = 0; 877 grp->sv2 = 0;
621 878
622 eio_grp_cancel (grp); 879 eio_grp_cancel (grp);
623} 880}
624 881
625static void 882static void ecb_cold
626create_respipe (void) 883create_respipe (void)
627{ 884{
628 if (s_epipe_renew (&respipe)) 885 if (s_epipe_renew (&respipe))
629 croak ("IO::AIO: unable to initialize result pipe"); 886 croak ("IO::AIO: unable to initialize result pipe");
630} 887}
631 888
632static void poll_wait (void) 889static void
890poll_wait (void)
633{ 891{
634 while (eio_nreqs ()) 892 while (eio_nreqs ())
635 { 893 {
636 int size; 894 int size;
637 895
638 X_LOCK (reslock); 896 X_LOCK (EIO_POOL->reslock);
639 size = res_queue.size; 897 size = EIO_POOL->res_queue.size;
640 X_UNLOCK (reslock); 898 X_UNLOCK (EIO_POOL->reslock);
641 899
642 if (size) 900 if (size)
643 return; 901 return;
644 902
645 etp_maybe_start_thread (); 903 etp_maybe_start_thread (EIO_POOL);
646 904
647 s_epipe_wait (&respipe); 905 s_epipe_wait (&respipe);
648 } 906 }
649} 907}
650 908
651static int poll_cb (void) 909static int
910poll_cb (void)
652{ 911{
653 for (;;) 912 for (;;)
654 { 913 {
655 int res = eio_poll (); 914 int res = eio_poll ();
656 915
… …
662 921
663 poll_wait (); 922 poll_wait ();
664 } 923 }
665} 924}
666 925
667static void atfork_child (void) 926static void ecb_cold
927reinit (void)
668{ 928{
669 create_respipe (); 929 create_respipe ();
670}
671 930
672/*****************************************************************************/ 931 if (eio_init (want_poll, done_poll) < 0)
673 932 croak ("IO::AIO: unable to initialise eio library");
674#if !_POSIX_MAPPED_FILES
675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
688#define MMAP_MAGIC PERL_MAGIC_ext
689
690static int
691mmap_free (pTHX_ SV *sv, MAGIC *mg)
692{
693 int old_errno = errno;
694 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
695 errno = old_errno;
696
697 mg->mg_obj = 0; /* just in case */
698
699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
704 SvCUR_set (sv, 0);
705 SvPVX (sv) = 0;
706 SvOK_off (sv);
707
708 return 0;
709} 933}
710
711static MGVTBL mmap_vtbl = {
712 0, 0, 0, 0, mmap_free
713};
714 934
715/*****************************************************************************/ 935/*****************************************************************************/
716 936
717static SV * 937static SV *
718get_cb (SV *cb_sv) 938get_cb (SV *cb_sv)
719{ 939{
720 SvGETMAGIC (cb_sv); 940 SvGETMAGIC (cb_sv);
721 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 941 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
722} 942}
723 943
944static aio_req ecb_noinline
945dreq (SV *callback)
946{
947 SV *cb_cv;
948 aio_req req;
949 int req_pri = next_pri;
950 next_pri = EIO_PRI_DEFAULT;
951
952 cb_cv = get_cb (callback);
953
954 req = calloc (sizeof (*req), 1);
955 if (!req)
956 croak ("out of memory during eio_req allocation");
957
958 req->callback = SvREFCNT_inc (cb_cv);
959 req->pri = req_pri;
960
961 return req;
962}
963
724#define dREQ \ 964#define dREQ \
725 SV *cb_cv; \ 965 aio_req req = dreq (callback); \
726 aio_req req; \
727 int req_pri = next_pri; \
728 next_pri = EIO_PRI_DEFAULT; \
729 \
730 cb_cv = get_cb (callback); \
731 \
732 Newz (0, req, 1, eio_req); \
733 if (!req) \
734 croak ("out of memory during eio_req allocation"); \
735 \
736 req->callback = SvREFCNT_inc (cb_cv); \
737 req->pri = req_pri
738 966
739#define REQ_SEND \ 967#define REQ_SEND \
740 PUTBACK; \ 968 PUTBACK; \
741 req_submit (req); \ 969 req_submit (req); \
742 SPAGAIN; \ 970 SPAGAIN; \
743 \ 971 \
744 if (GIMME_V != G_VOID) \ 972 if (GIMME_V != G_VOID) \
745 XPUSHs (req_sv (req, aio_req_stash)); 973 XPUSHs (req_sv (req, aio_req_stash));
746 974
975ecb_inline void
976req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
977{
978 if (expect_false (SvROK (path)))
979 {
980 SV *rv = SvRV (path);
981 SV *wdob;
982
983 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
984 {
985 path = AvARRAY (rv)[1];
986 wdob = AvARRAY (rv)[0];
987
988 if (SvOK (wdob))
989 {
990 *wd = SvAIO_WD (wdob);
991 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
992 }
993 else
994 *wd = EIO_INVALID_WD;
995 }
996 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
997 {
998 *wd = (aio_wd)(long)SvIVX (rv);
999 *wdsv = SvREFCNT_inc_NN (rv);
1000 *ptr = ".";
1001 return; /* path set to "." */
1002 }
1003 else
1004 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1005 }
1006
1007 *pathsv = newSVsv (path);
1008 *ptr = SvPVbyte_nolen (*pathsv);
1009}
1010
1011static void ecb_noinline
1012req_set_path1 (aio_req req, SV *path)
1013{
1014 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1015}
1016
1017static void ecb_noinline
1018req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1019{
1020 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1021
1022 switch (SvTYPE (rv))
1023 {
1024 case SVt_PVIO:
1025 case SVt_PVLV:
1026 case SVt_PVGV:
1027 req->type = type_fh;
1028 req->sv1 = newSVsv (fh_or_path);
1029 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1030 break;
1031
1032 default:
1033 req->type = type_path;
1034 req_set_path1 (req, fh_or_path);
1035 break;
1036 }
1037}
1038
1039/*****************************************************************************/
1040
1041static void
1042ts_set (struct timespec *ts, NV value)
1043{
1044 ts->tv_sec = value;
1045 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1046}
1047
1048static NV
1049ts_get (const struct timespec *ts)
1050{
1051 return ts->tv_sec + ts->tv_nsec * 1e-9;
1052}
1053
1054/*****************************************************************************/
1055
1056XS(boot_IO__AIO) ecb_cold;
1057
747MODULE = IO::AIO PACKAGE = IO::AIO 1058MODULE = IO::AIO PACKAGE = IO::AIO
748 1059
749PROTOTYPES: ENABLE 1060PROTOTYPES: ENABLE
750 1061
751BOOT: 1062BOOT:
… …
755 IV iv; 1066 IV iv;
756 } *civ, const_iv[] = { 1067 } *civ, const_iv[] = {
757# define const_niv(name, value) { # name, (IV) value }, 1068# define const_niv(name, value) { # name, (IV) value },
758# define const_iv(name) { # name, (IV) name }, 1069# define const_iv(name) { # name, (IV) name },
759# define const_eio(name) { # name, (IV) EIO_ ## name }, 1070# define const_eio(name) { # name, (IV) EIO_ ## name },
1071
1072 /* you have to re-run ./gendef0 after adding/removing any constants here */
1073 /* the first block can be undef if missing */
1074 const_iv (ENOSYS)
760 const_iv (EXDEV) 1075 const_iv (EXDEV)
761 const_iv (ENOSYS) 1076 const_iv (EBADR)
1077
1078 /* for lseek */
1079 const_iv (SEEK_DATA)
1080 const_iv (SEEK_HOLE)
1081
1082 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1083 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1084 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1085 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1086 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1087 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1088
1089 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1090 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1091 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1092 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1093 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1094
1095 /* the second block will be 0 when missing */
1096 const_iv (O_ACCMODE)
1097
762 const_iv (O_RDONLY) 1098 const_iv (O_RDONLY)
763 const_iv (O_WRONLY) 1099 const_iv (O_WRONLY)
764 const_iv (O_RDWR) 1100 const_iv (O_RDWR)
765 const_iv (O_CREAT) 1101 const_iv (O_CREAT)
766 const_iv (O_TRUNC) 1102 const_iv (O_TRUNC)
767 const_iv (O_EXCL) 1103 const_iv (O_EXCL)
768 const_iv (O_APPEND) 1104 const_iv (O_APPEND)
1105
1106 const_iv (O_ASYNC)
1107 const_iv (O_DIRECT)
1108 const_iv (O_NOATIME)
1109
1110 const_iv (O_CLOEXEC)
1111 const_iv (O_NOCTTY)
1112 const_iv (O_NOFOLLOW)
1113 const_iv (O_NONBLOCK)
1114 const_iv (O_EXEC)
1115 const_iv (O_SEARCH)
1116 const_iv (O_DIRECTORY)
1117 const_iv (O_DSYNC)
1118 const_iv (O_RSYNC)
1119 const_iv (O_SYNC)
1120 const_iv (O_PATH)
1121 const_iv (O_TMPFILE)
1122 const_iv (O_TTY_INIT)
769 1123
770 const_iv (S_IFIFO) 1124 const_iv (S_IFIFO)
771 const_iv (S_IFCHR) 1125 const_iv (S_IFCHR)
772 const_iv (S_IFBLK) 1126 const_iv (S_IFBLK)
773 const_iv (S_IFLNK) 1127 const_iv (S_IFLNK)
774 const_iv (S_IFREG) 1128 const_iv (S_IFREG)
775 const_iv (S_IFDIR) 1129 const_iv (S_IFDIR)
776 const_iv (S_IFWHT) 1130 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK) 1131 const_iv (S_IFSOCK)
778 const_iv (S_IFMT) 1132 const_iv (S_IFMT)
779
780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
792 1133
793 const_iv (ST_RDONLY) 1134 const_iv (ST_RDONLY)
794 const_iv (ST_NOSUID) 1135 const_iv (ST_NOSUID)
795 const_iv (ST_NODEV) 1136 const_iv (ST_NODEV)
796 const_iv (ST_NOEXEC) 1137 const_iv (ST_NOEXEC)
… …
806 const_iv (PROT_NONE) 1147 const_iv (PROT_NONE)
807 const_iv (PROT_EXEC) 1148 const_iv (PROT_EXEC)
808 const_iv (PROT_READ) 1149 const_iv (PROT_READ)
809 const_iv (PROT_WRITE) 1150 const_iv (PROT_WRITE)
810 1151
811 /*const_iv (MAP_FIXED)*/
812 const_iv (MAP_PRIVATE) 1152 const_iv (MAP_PRIVATE)
813 const_iv (MAP_SHARED) 1153 const_iv (MAP_SHARED)
1154 const_iv (MAP_FIXED)
814 const_iv (MAP_ANONYMOUS) 1155 const_iv (MAP_ANONYMOUS)
815 1156
816 /* linuxish */ 1157 /* linuxish */
817 const_iv (MAP_HUGETLB)
818 const_iv (MAP_LOCKED) 1158 const_iv (MAP_LOCKED)
819 const_iv (MAP_NORESERVE) 1159 const_iv (MAP_NORESERVE)
820 const_iv (MAP_POPULATE) 1160 const_iv (MAP_POPULATE)
821 const_iv (MAP_NONBLOCK) 1161 const_iv (MAP_NONBLOCK)
1162 const_iv (MAP_GROWSDOWN)
1163 const_iv (MAP_32BIT)
1164 const_iv (MAP_HUGETLB)
1165 const_iv (MAP_STACK)
1166
1167 const_iv (MREMAP_MAYMOVE)
1168 const_iv (MREMAP_FIXED)
1169
1170 const_iv (F_DUPFD_CLOEXEC)
1171
1172 const_iv (MSG_CMSG_CLOEXEC)
1173 const_iv (SOCK_CLOEXEC)
1174
1175 const_iv (F_OFD_GETLK)
1176 const_iv (F_OFD_SETLK)
1177 const_iv (F_OFD_GETLKW)
1178
1179 const_iv (FIFREEZE)
1180 const_iv (FITHAW)
1181 const_iv (FITRIM)
1182 const_iv (FICLONE)
1183 const_iv (FICLONERANGE)
1184 const_iv (FIDEDUPERANGE)
1185
1186 const_iv (FS_IOC_GETFLAGS)
1187 const_iv (FS_IOC_SETFLAGS)
1188 const_iv (FS_IOC_GETVERSION)
1189 const_iv (FS_IOC_SETVERSION)
1190 const_iv (FS_IOC_FIEMAP)
1191 const_iv (FS_IOC_FSGETXATTR)
1192 const_iv (FS_IOC_FSSETXATTR)
1193 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1194 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1195 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1196
1197 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1198
1199 const_iv (FS_SECRM_FL)
1200 const_iv (FS_UNRM_FL)
1201 const_iv (FS_COMPR_FL)
1202 const_iv (FS_SYNC_FL)
1203 const_iv (FS_IMMUTABLE_FL)
1204 const_iv (FS_APPEND_FL)
1205 const_iv (FS_NODUMP_FL)
1206 const_iv (FS_NOATIME_FL)
1207 const_iv (FS_DIRTY_FL)
1208 const_iv (FS_COMPRBLK_FL)
1209 const_iv (FS_NOCOMP_FL)
1210 const_iv (FS_ENCRYPT_FL)
1211 const_iv (FS_BTREE_FL)
1212 const_iv (FS_INDEX_FL)
1213 const_iv (FS_JOURNAL_DATA_FL)
1214 const_iv (FS_NOTAIL_FL)
1215 const_iv (FS_DIRSYNC_FL)
1216 const_iv (FS_TOPDIR_FL)
1217 const_iv (FS_FL_USER_MODIFIABLE)
1218
1219 const_iv (FS_XFLAG_REALTIME)
1220 const_iv (FS_XFLAG_PREALLOC)
1221 const_iv (FS_XFLAG_IMMUTABLE)
1222 const_iv (FS_XFLAG_APPEND)
1223 const_iv (FS_XFLAG_SYNC)
1224 const_iv (FS_XFLAG_NOATIME)
1225 const_iv (FS_XFLAG_NODUMP)
1226 const_iv (FS_XFLAG_RTINHERIT)
1227 const_iv (FS_XFLAG_PROJINHERIT)
1228 const_iv (FS_XFLAG_NOSYMLINKS)
1229 const_iv (FS_XFLAG_EXTSIZE)
1230 const_iv (FS_XFLAG_EXTSZINHERIT)
1231 const_iv (FS_XFLAG_NODEFRAG)
1232 const_iv (FS_XFLAG_FILESTREAM)
1233 const_iv (FS_XFLAG_DAX)
1234 const_iv (FS_XFLAG_HASATTR)
1235
1236 const_iv (FIEMAP_FLAG_SYNC)
1237 const_iv (FIEMAP_FLAG_XATTR)
1238 const_iv (FIEMAP_FLAGS_COMPAT)
1239 const_iv (FIEMAP_EXTENT_LAST)
1240 const_iv (FIEMAP_EXTENT_UNKNOWN)
1241 const_iv (FIEMAP_EXTENT_DELALLOC)
1242 const_iv (FIEMAP_EXTENT_ENCODED)
1243 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1244 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1245 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1246 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1247 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1248 const_iv (FIEMAP_EXTENT_MERGED)
1249 const_iv (FIEMAP_EXTENT_SHARED)
1250
1251 const_iv (SPLICE_F_MOVE)
1252 const_iv (SPLICE_F_NONBLOCK)
1253 const_iv (SPLICE_F_MORE)
1254 const_iv (SPLICE_F_GIFT)
1255
1256 const_iv (EFD_CLOEXEC)
1257 const_iv (EFD_NONBLOCK)
1258 const_iv (EFD_SEMAPHORE)
1259
1260 const_iv (CLOCK_REALTIME)
1261 const_iv (CLOCK_MONOTONIC)
1262 const_iv (CLOCK_BOOTTIME)
1263 const_iv (CLOCK_REALTIME_ALARM)
1264 const_iv (CLOCK_BOOTTIME_ALARM)
1265
1266 const_iv (TFD_NONBLOCK)
1267 const_iv (TFD_CLOEXEC)
1268
1269 const_iv (TFD_TIMER_ABSTIME)
1270 const_iv (TFD_TIMER_CANCEL_ON_SET)
1271
1272 /* these are libeio constants, and are independent of gendef0 */
1273 const_eio (SEEK_SET)
1274 const_eio (SEEK_CUR)
1275 const_eio (SEEK_END)
822 1276
823 const_eio (MCL_FUTURE) 1277 const_eio (MCL_FUTURE)
824 const_eio (MCL_CURRENT) 1278 const_eio (MCL_CURRENT)
1279 const_eio (MCL_ONFAULT)
825 1280
826 const_eio (MS_ASYNC) 1281 const_eio (MS_ASYNC)
827 const_eio (MS_INVALIDATE) 1282 const_eio (MS_INVALIDATE)
828 const_eio (MS_SYNC) 1283 const_eio (MS_SYNC)
829 1284
830 const_eio (MT_MODIFY) 1285 const_eio (MT_MODIFY)
831 1286
832 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1287 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
833 const_eio (SYNC_FILE_RANGE_WRITE) 1288 const_eio (SYNC_FILE_RANGE_WRITE)
834 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1289 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1290
1291 const_eio (FALLOC_FL_KEEP_SIZE)
1292 const_eio (FALLOC_FL_PUNCH_HOLE)
1293 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1294 const_eio (FALLOC_FL_ZERO_RANGE)
1295 const_eio (FALLOC_FL_INSERT_RANGE)
1296 const_eio (FALLOC_FL_UNSHARE_RANGE)
1297
1298 const_eio (RENAME_NOREPLACE)
1299 const_eio (RENAME_EXCHANGE)
1300 const_eio (RENAME_WHITEOUT)
835 1301
836 const_eio (READDIR_DENTS) 1302 const_eio (READDIR_DENTS)
837 const_eio (READDIR_DIRS_FIRST) 1303 const_eio (READDIR_DIRS_FIRST)
838 const_eio (READDIR_STAT_ORDER) 1304 const_eio (READDIR_STAT_ORDER)
839 const_eio (READDIR_FOUND_UNKNOWN) 1305 const_eio (READDIR_FOUND_UNKNOWN)
… …
850 }; 1316 };
851 1317
852 aio_stash = gv_stashpv ("IO::AIO" , 1); 1318 aio_stash = gv_stashpv ("IO::AIO" , 1);
853 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1319 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
854 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1320 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1321 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
855 1322
856 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1323 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
857 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1324 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
858 1325
859 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1326 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
860 1327
861 create_respipe (); 1328 /* allocate dummy pipe fd for aio_close */
1329 {
1330 int pipefd [2];
862 1331
863 if (eio_init (want_poll, done_poll) < 0) 1332 if (
864 croak ("IO::AIO: unable to initialise eio library"); 1333#ifdef _WIN32
1334 _pipe (pipefd, 1, _O_BINARY) < 0
1335#else
1336 pipe (pipefd) < 0
1337 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1338#endif
1339 || close (pipefd [1]) < 0
1340 )
1341 croak ("IO::AIO: unable to create dummy pipe for aio_close");
865 1342
866 /* atfork child called in fifo order, so before eio's handler */ 1343 close_fd = pipefd [0];
867 X_THREAD_ATFORK (0, 0, atfork_child); 1344 }
868}
869 1345
1346 reinit ();
1347}
1348
870void 1349void
1350reinit ()
1351 PROTOTYPE:
1352
1353void
871max_poll_reqs (int nreqs) 1354max_poll_reqs (unsigned int nreqs)
872 PROTOTYPE: $ 1355 PROTOTYPE: $
873 CODE: 1356 CODE:
874 eio_set_max_poll_reqs (nreqs); 1357 eio_set_max_poll_reqs (nreqs);
875 1358
876void 1359void
… …
878 PROTOTYPE: $ 1361 PROTOTYPE: $
879 CODE: 1362 CODE:
880 eio_set_max_poll_time (nseconds); 1363 eio_set_max_poll_time (nseconds);
881 1364
882void 1365void
883min_parallel (int nthreads) 1366min_parallel (unsigned int nthreads)
884 PROTOTYPE: $ 1367 PROTOTYPE: $
885 CODE: 1368 CODE:
886 eio_set_min_parallel (nthreads); 1369 eio_set_min_parallel (nthreads);
887 1370
888void 1371void
889max_parallel (int nthreads) 1372max_parallel (unsigned int nthreads)
890 PROTOTYPE: $ 1373 PROTOTYPE: $
891 CODE: 1374 CODE:
892 eio_set_max_parallel (nthreads); 1375 eio_set_max_parallel (nthreads);
893 1376
894void 1377void
895max_idle (int nthreads) 1378max_idle (unsigned int nthreads)
896 PROTOTYPE: $ 1379 PROTOTYPE: $
897 CODE: 1380 CODE:
898 eio_set_max_idle (nthreads); 1381 eio_set_max_idle (nthreads);
899 1382
900void 1383void
1384idle_timeout (unsigned int seconds)
1385 PROTOTYPE: $
1386 CODE:
1387 eio_set_idle_timeout (seconds);
1388
1389void
901max_outstanding (int maxreqs) 1390max_outstanding (unsigned int maxreqs)
902 PROTOTYPE: $ 1391 PROTOTYPE: $
903 CODE: 1392 CODE:
904 max_outstanding = maxreqs; 1393 max_outstanding = maxreqs;
905 1394
906void 1395void
907aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1396aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
908 PPCODE: 1397 PPCODE:
909{ 1398{
910 dREQ; 1399 dREQ;
911 1400
1401 req->type = EIO_WD_OPEN;
1402 req_set_path1 (req, pathname);
1403
1404 REQ_SEND;
1405}
1406
1407void
1408aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1409 PPCODE:
1410{
1411 dREQ;
1412
912 req->type = EIO_OPEN; 1413 req->type = EIO_OPEN;
913 req->sv1 = newSVsv (pathname); 1414 req_set_path1 (req, pathname);
914 req->ptr1 = SvPVbyte_nolen (req->sv1);
915 req->int1 = flags; 1415 req->int1 = flags;
916 req->int2 = mode; 1416 req->int2 = mode;
917 1417
918 REQ_SEND; 1418 REQ_SEND;
919} 1419}
920 1420
921void 1421void
922aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1422aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
923 ALIAS: 1423 ALIAS:
924 aio_fsync = EIO_FSYNC 1424 aio_fsync = EIO_FSYNC
925 aio_fdatasync = EIO_FDATASYNC 1425 aio_fdatasync = EIO_FDATASYNC
1426 aio_syncfs = EIO_SYNCFS
926 PPCODE: 1427 PPCODE:
927{ 1428{
928 int fd = s_fileno_croak (fh, 0); 1429 int fd = s_fileno_croak (fh, 0);
929 dREQ; 1430 dREQ;
930 1431
931 req->type = ix; 1432 req->type = ix;
932 req->sv1 = newSVsv (fh); 1433 req->sv1 = newSVsv (fh);
933 req->int1 = fd; 1434 req->int1 = fd;
934 1435
935 REQ_SEND (req); 1436 REQ_SEND;
936} 1437}
937 1438
938void 1439void
939aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1440aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
940 PPCODE: 1441 PPCODE:
941{ 1442{
942 int fd = s_fileno_croak (fh, 0); 1443 int fd = s_fileno_croak (fh, 0);
943 dREQ; 1444 dREQ;
944 1445
945 req->type = EIO_SYNC_FILE_RANGE; 1446 req->type = EIO_SYNC_FILE_RANGE;
946 req->sv1 = newSVsv (fh); 1447 req->sv1 = newSVsv (fh);
947 req->int1 = fd; 1448 req->int1 = fd;
948 req->offs = offset; 1449 req->offs = offset;
949 req->size = nbytes; 1450 req->size = nbytes;
950 req->int2 = flags; 1451 req->int2 = flags;
951 1452
952 REQ_SEND (req); 1453 REQ_SEND;
953} 1454}
954 1455
955void 1456void
956aio_close (SV *fh, SV *callback=&PL_sv_undef) 1457aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
957 PPCODE: 1458 PPCODE:
958{ 1459{
959 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
960 int fd = s_fileno_croak (fh, 0); 1460 int fd = s_fileno_croak (fh, 0);
961 dREQ; 1461 dREQ;
962 1462
963 if (close_pipe < 0) 1463 req->type = EIO_FALLOCATE;
1464 req->sv1 = newSVsv (fh);
1465 req->int1 = fd;
1466 req->int2 = mode;
1467 req->offs = offset;
1468 req->size = len;
1469
1470 REQ_SEND;
1471}
1472
1473void
1474aio_close (SV *fh, SV *callback = &PL_sv_undef)
1475 PPCODE:
1476{
1477 dREQ;
1478 int fd = s_fileno_croak (fh, 0);
1479
1480 /* partially duplicate logic in s_fileno */
1481 SvGETMAGIC (fh);
1482
1483 if (SvROK (fh))
1484 {
1485 fh = SvRV (fh);
1486 SvGETMAGIC (fh);
1487 }
1488
1489 if (SvTYPE (fh) == SVt_PVGV)
964 { 1490 {
965 int pipefd [2]; 1491 /* perl filehandle */
1492 PerlIOUnix_refcnt_inc (fd);
1493 do_close ((GV *)fh, 1);
966 1494
967 if (pipe (pipefd) < 0 1495 req->type = EIO_CLOSE;
968 || close (pipefd [1]) < 0 1496 req->int1 = fd;
969 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1497 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
970 abort (); /*D*/
971
972 close_pipe = pipefd [0];
973 } 1498 }
974 1499 else
1500 {
1501 /* fd number */
975 req->type = EIO_DUP2; 1502 req->type = EIO_DUP2;
976 req->int1 = close_pipe; 1503 req->int1 = close_fd;
1504 req->sv2 = newSVsv (fh);
1505 req->int2 = fd;
1506 }
1507
1508 REQ_SEND;
1509}
1510
1511void
1512aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1513 PPCODE:
1514{
1515 int fd = s_fileno_croak (fh, 0);
1516 dREQ;
1517
1518 req->type = EIO_SEEK;
977 req->sv2 = newSVsv (fh); 1519 req->sv1 = newSVsv (fh);
978 req->int2 = fd; 1520 req->int1 = fd;
1521 req->offs = SvVAL64 (offset);
1522 req->int2 = whence;
979 1523
980 REQ_SEND (req); 1524 REQ_SEND;
981} 1525}
982 1526
983void 1527void
984aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1528aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
985 ALIAS: 1529 ALIAS:
986 aio_read = EIO_READ 1530 aio_read = EIO_READ
987 aio_write = EIO_WRITE 1531 aio_write = EIO_WRITE
988 PPCODE: 1532 PPCODE:
989{ 1533{
… …
1005 len = svlen - dataoffset; 1549 len = svlen - dataoffset;
1006 } 1550 }
1007 else 1551 else
1008 { 1552 {
1009 /* read: check type and grow scalar as necessary */ 1553 /* read: check type and grow scalar as necessary */
1010 SvUPGRADE (data, SVt_PV); 1554 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1011 svptr = SvGROW (data, len + dataoffset + 1); 1555 svptr = sv_grow (data, len + dataoffset + 1);
1556 else if (SvCUR (data) < len + dataoffset)
1557 croak ("length + dataoffset outside of scalar, and cannot grow");
1012 } 1558 }
1013 1559
1014 { 1560 {
1015 dREQ; 1561 dREQ;
1016 1562
… …
1032 REQ_SEND; 1578 REQ_SEND;
1033 } 1579 }
1034} 1580}
1035 1581
1036void 1582void
1037aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1583aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1584 ALIAS:
1585 aio_ioctl = EIO_IOCTL
1586 aio_fcntl = EIO_FCNTL
1038 PPCODE: 1587 PPCODE:
1039{ 1588{
1040 SV *data; 1589 int fd = s_fileno_croak (fh, 0);
1590 char *svptr;
1591
1592 if (SvPOK (arg) || !SvNIOK (arg))
1593 {
1594 STRLEN svlen;
1595 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1596#ifdef IOCPARM_LEN
1597 STRLEN need = IOCPARM_LEN (request);
1598#else
1599 STRLEN need = 256;
1600#endif
1601
1602 if (svlen < need)
1603 svptr = SvGROW (arg, need);
1604 }
1605 else
1606 svptr = (char *)SvIV (arg);
1607
1608 {
1609 dREQ;
1610
1611 req->type = ix;
1612 req->sv1 = newSVsv (fh);
1613 req->int1 = fd;
1614 req->int2 = (long)request;
1615 req->sv2 = SvREFCNT_inc (arg);
1616 req->ptr2 = svptr;
1617
1618 REQ_SEND;
1619 }
1620}
1621
1622void
1623aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1624 ALIAS:
1625 aio_readlink = EIO_READLINK
1626 aio_realpath = EIO_REALPATH
1627 PPCODE:
1628{
1041 dREQ; 1629 dREQ;
1042 1630
1043 req->type = EIO_READLINK; 1631 req->type = ix;
1044 req->sv1 = newSVsv (path); 1632 req_set_path1 (req, pathname);
1045 req->ptr1 = SvPVbyte_nolen (req->sv1);
1046 1633
1047 REQ_SEND; 1634 REQ_SEND;
1048} 1635}
1049 1636
1050void 1637void
1051aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1638aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1052 PPCODE: 1639 PPCODE:
1053{ 1640{
1054 int ifd = s_fileno_croak (in_fh , 0); 1641 int ifd = s_fileno_croak (in_fh , 0);
1055 int ofd = s_fileno_croak (out_fh, 1); 1642 int ofd = s_fileno_croak (out_fh, 1);
1056 dREQ; 1643 dREQ;
1057 1644
1058 req->type = EIO_SENDFILE; 1645 req->type = EIO_SENDFILE;
1059 req->sv1 = newSVsv (out_fh); 1646 req->sv1 = newSVsv (out_fh);
1060 req->int1 = ofd; 1647 req->int1 = ofd;
… …
1065 1652
1066 REQ_SEND; 1653 REQ_SEND;
1067} 1654}
1068 1655
1069void 1656void
1070aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1657aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1071 PPCODE: 1658 PPCODE:
1072{ 1659{
1073 int fd = s_fileno_croak (fh, 0); 1660 int fd = s_fileno_croak (fh, 0);
1074 dREQ; 1661 dREQ;
1075 1662
1076 req->type = EIO_READAHEAD; 1663 req->type = EIO_READAHEAD;
1077 req->sv1 = newSVsv (fh); 1664 req->sv1 = newSVsv (fh);
1078 req->int1 = fd; 1665 req->int1 = fd;
… …
1081 1668
1082 REQ_SEND; 1669 REQ_SEND;
1083} 1670}
1084 1671
1085void 1672void
1086aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1673aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1087 ALIAS: 1674 ALIAS:
1088 aio_stat = EIO_STAT 1675 aio_stat = EIO_STAT
1089 aio_lstat = EIO_LSTAT 1676 aio_lstat = EIO_LSTAT
1090 aio_statvfs = EIO_STATVFS 1677 aio_statvfs = EIO_STATVFS
1091 PPCODE: 1678 PPCODE:
1092{ 1679{
1093 dREQ; 1680 dREQ;
1094 1681
1095 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1096
1097 if (SvPOK (req->sv1))
1098 {
1099 req->type = ix;
1100 req->ptr1 = SvPVbyte_nolen (req->sv1);
1101 }
1102 else
1103 {
1104 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1105 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1106 }
1107 1683
1108 REQ_SEND; 1684 REQ_SEND;
1109} 1685}
1686
1687void
1688st_xtime ()
1689 ALIAS:
1690 st_atime = 0x01
1691 st_mtime = 0x02
1692 st_ctime = 0x04
1693 st_btime = 0x08
1694 st_xtime = 0x0f
1695 PPCODE:
1696 EXTEND (SP, 4);
1697 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1698 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1699 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1700 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1701
1702void
1703st_xtimensec ()
1704 ALIAS:
1705 st_atimensec = 0x01
1706 st_mtimensec = 0x02
1707 st_ctimensec = 0x04
1708 st_btimensec = 0x08
1709 st_xtimensec = 0x0f
1710 st_btimesec = 0x10
1711 st_gen = 0x20
1712 PPCODE:
1713 EXTEND (SP, 4);
1714 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1715 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1716 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1717 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1718 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1719 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1110 1720
1111UV 1721UV
1112major (UV dev) 1722major (UV dev)
1113 ALIAS: 1723 ALIAS:
1114 minor = 1 1724 minor = 1
1115 CODE: 1725 CODE:
1116 RETVAL = ix ? major (dev) : minor (dev); 1726 RETVAL = ix ? minor (dev) : major (dev);
1117 OUTPUT: 1727 OUTPUT:
1118 RETVAL 1728 RETVAL
1119 1729
1120UV 1730UV
1121makedev (UV maj, UV min) 1731makedev (UV maj, UV min)
… …
1123 RETVAL = makedev (maj, min); 1733 RETVAL = makedev (maj, min);
1124 OUTPUT: 1734 OUTPUT:
1125 RETVAL 1735 RETVAL
1126 1736
1127void 1737void
1128aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1738aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1129 PPCODE: 1739 PPCODE:
1130{ 1740{
1131 dREQ; 1741 dREQ;
1132 1742
1133 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1743 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1134 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1744 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1135 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1136
1137 if (SvPOK (req->sv1))
1138 {
1139 req->type = EIO_UTIME;
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 }
1142 else
1143 {
1144 req->type = EIO_FUTIME;
1145 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1146 }
1147 1746
1148 REQ_SEND; 1747 REQ_SEND;
1149} 1748}
1150 1749
1151void 1750void
1152aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1751aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1153 PPCODE: 1752 PPCODE:
1154{ 1753{
1155 dREQ; 1754 dREQ;
1156 1755
1157 req->sv1 = newSVsv (fh_or_path);
1158 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1756 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1159 1757 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1160 if (SvPOK (req->sv1))
1161 {
1162 req->type = EIO_TRUNCATE;
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 }
1165 else
1166 {
1167 req->type = EIO_FTRUNCATE;
1168 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1169 }
1170 1758
1171 REQ_SEND; 1759 REQ_SEND;
1172} 1760}
1173 1761
1174void 1762void
1175aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1763aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1176 ALIAS:
1177 aio_chmod = EIO_CHMOD
1178 aio_mkdir = EIO_MKDIR
1179 PPCODE: 1764 PPCODE:
1180{ 1765{
1181 dREQ; 1766 dREQ;
1182 1767
1183 req->int2 = mode; 1768 req->int2 = mode;
1184 req->sv1 = newSVsv (fh_or_path); 1769 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1185
1186 if (SvPOK (req->sv1))
1187 {
1188 req->type = ix;
1189 req->ptr1 = SvPVbyte_nolen (req->sv1);
1190 }
1191 else
1192 {
1193 req->type = EIO_FCHMOD;
1194 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1195 }
1196 1770
1197 REQ_SEND; 1771 REQ_SEND;
1198} 1772}
1199 1773
1200void 1774void
1201aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1775aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1202 PPCODE: 1776 PPCODE:
1203{ 1777{
1204 dREQ; 1778 dREQ;
1205 1779
1206 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1780 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1207 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1781 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1208 req->sv1 = newSVsv (fh_or_path); 1782 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1209
1210 if (SvPOK (req->sv1))
1211 {
1212 req->type = EIO_CHOWN;
1213 req->ptr1 = SvPVbyte_nolen (req->sv1);
1214 }
1215 else
1216 {
1217 req->type = EIO_FCHOWN;
1218 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1219 }
1220 1783
1221 REQ_SEND; 1784 REQ_SEND;
1222} 1785}
1223 1786
1224void 1787void
1225aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1788aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1226 PPCODE: 1789 PPCODE:
1227{ 1790{
1228 dREQ; 1791 dREQ;
1229 1792
1230 req->type = EIO_READDIR; 1793 req->type = EIO_READDIR;
1231 req->sv1 = newSVsv (pathname);
1232 req->ptr1 = SvPVbyte_nolen (req->sv1);
1233 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1794 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1234 1795
1235 if (flags & EIO_READDIR_DENTS) 1796 if (flags & EIO_READDIR_DENTS)
1236 req->int1 |= EIO_READDIR_CUSTOM2; 1797 req->int1 |= EIO_READDIR_CUSTOM2;
1237 1798
1799 req_set_path1 (req, pathname);
1800
1238 REQ_SEND; 1801 REQ_SEND;
1239} 1802}
1240 1803
1241void 1804void
1805aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1806 PPCODE:
1807{
1808 dREQ;
1809
1810 req->type = EIO_MKDIR;
1811 req->int2 = mode;
1812 req_set_path1 (req, pathname);
1813
1814 REQ_SEND;
1815}
1816
1817void
1242aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1818aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1243 ALIAS: 1819 ALIAS:
1244 aio_unlink = EIO_UNLINK 1820 aio_unlink = EIO_UNLINK
1245 aio_rmdir = EIO_RMDIR 1821 aio_rmdir = EIO_RMDIR
1246 aio_readdir = EIO_READDIR 1822 aio_readdir = EIO_READDIR
1247 PPCODE: 1823 PPCODE:
1248{ 1824{
1249 dREQ; 1825 dREQ;
1250 1826
1251 req->type = ix; 1827 req->type = ix;
1252 req->sv1 = newSVsv (pathname); 1828 req_set_path1 (req, pathname);
1253 req->ptr1 = SvPVbyte_nolen (req->sv1);
1254 1829
1255 REQ_SEND; 1830 REQ_SEND;
1256} 1831}
1257 1832
1258void 1833void
1259aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1834aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1260 ALIAS: 1835 ALIAS:
1261 aio_link = EIO_LINK 1836 aio_link = EIO_LINK
1262 aio_symlink = EIO_SYMLINK 1837 aio_symlink = EIO_SYMLINK
1263 aio_rename = EIO_RENAME 1838 aio_rename = EIO_RENAME
1264 PPCODE: 1839 PPCODE:
1265{ 1840{
1841 eio_wd wd2 = 0;
1266 dREQ; 1842 dREQ;
1267 1843
1268 req->type = ix; 1844 req->type = ix;
1269 req->sv1 = newSVsv (oldpath); 1845 req_set_path1 (req, oldpath);
1270 req->ptr1 = SvPVbyte_nolen (req->sv1); 1846 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1271 req->sv2 = newSVsv (newpath); 1847 req->int3 = (long)wd2;
1272 req->ptr2 = SvPVbyte_nolen (req->sv2);
1273 1848
1274 REQ_SEND; 1849 REQ_SEND;
1275} 1850}
1276 1851
1277void 1852void
1853aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1854 PPCODE:
1855{
1856 eio_wd wd2 = 0;
1857 dREQ;
1858
1859 req->type = EIO_RENAME;
1860 req_set_path1 (req, oldpath);
1861 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1862 req->int2 = flags;
1863 req->int3 = (long)wd2;
1864
1865 REQ_SEND;
1866}
1867
1868void
1278aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1869aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1279 PPCODE: 1870 PPCODE:
1280{ 1871{
1281 dREQ; 1872 dREQ;
1282 1873
1283 req->type = EIO_MKNOD; 1874 req->type = EIO_MKNOD;
1284 req->sv1 = newSVsv (pathname);
1285 req->ptr1 = SvPVbyte_nolen (req->sv1);
1286 req->int2 = (mode_t)mode; 1875 req->int2 = (mode_t)mode;
1287 req->offs = dev; 1876 req->offs = dev;
1877 req_set_path1 (req, pathname);
1288 1878
1289 REQ_SEND; 1879 REQ_SEND;
1290} 1880}
1291 1881
1292void 1882void
1293aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1883aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1294 ALIAS: 1884 ALIAS:
1295 aio_mtouch = EIO_MTOUCH 1885 aio_mtouch = EIO_MTOUCH
1296 aio_msync = EIO_MSYNC 1886 aio_msync = EIO_MSYNC
1297 PPCODE: 1887 PPCODE:
1298{ 1888{
1299 STRLEN svlen; 1889 STRLEN svlen;
1300 char *svptr = SvPVbyte (data, svlen); 1890 char *svptr = SvPVbyte (data, svlen);
1301 UV len = SvUV (length); 1891 UV len = SvUV (length);
1892
1893 if (flags < 0)
1894 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1302 1895
1303 if (offset < 0) 1896 if (offset < 0)
1304 offset += svlen; 1897 offset += svlen;
1305 1898
1306 if (offset < 0 || offset > svlen) 1899 if (offset < 0 || offset > svlen)
… …
1321 REQ_SEND; 1914 REQ_SEND;
1322 } 1915 }
1323} 1916}
1324 1917
1325void 1918void
1326aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1919aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1327 PPCODE: 1920 PPCODE:
1328{ 1921{
1329 STRLEN svlen; 1922 STRLEN svlen;
1330 char *svptr = SvPVbyte (data, svlen); 1923 char *svptr = SvPVbyte (data, svlen);
1331 UV len = SvUV (length); 1924 UV len = SvUV (length);
… …
1350 REQ_SEND; 1943 REQ_SEND;
1351 } 1944 }
1352} 1945}
1353 1946
1354void 1947void
1355aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1948aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1356 PPCODE: 1949 PPCODE:
1357{ 1950{
1358 dREQ; 1951 dREQ;
1359 1952
1360 req->type = EIO_MLOCKALL; 1953 req->type = EIO_MLOCKALL;
… …
1362 1955
1363 REQ_SEND; 1956 REQ_SEND;
1364} 1957}
1365 1958
1366void 1959void
1960aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1961 PPCODE:
1962{
1963 int fd = s_fileno_croak (fh, 0);
1964 dREQ;
1965
1966 req->type = EIO_CUSTOM;
1967 req->sv1 = newSVsv (fh);
1968 req->int1 = fd;
1969
1970 req->feed = fiemap;
1971#if HAVE_FIEMAP
1972 /* keep our fingers crossed that the next two types are 64 bit */
1973 req->offs = start;
1974 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1975 req->int2 = flags;
1976 req->int3 = SvOK (count) ? SvIV (count) : -1;
1977#endif
1978
1979 REQ_SEND;
1980}
1981
1982void
1983aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1984 PPCODE:
1985{
1986 char *svptr = 0;
1987
1988 sv_clear_foreign (data);
1989
1990 if (length) /* known length, directly read into scalar */
1991 {
1992 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1993 svptr = sv_grow (data, length + 1);
1994 else if (SvCUR (data) < length)
1995 croak ("length outside of scalar, and cannot grow");
1996 else
1997 svptr = SvPVbyte_nolen (data);
1998 }
1999
2000 {
2001 dREQ;
2002
2003 req->type = EIO_SLURP;
2004 req_set_path1 (req, pathname);
2005 req->offs = offset;
2006 req->size = length;
2007 req->sv2 = SvREFCNT_inc (data);
2008 req->ptr2 = svptr;
2009
2010 if (!SvREADONLY (data))
2011 {
2012 SvREADONLY_on (data);
2013 req->flags |= FLAG_SV2_RO_OFF;
2014 }
2015
2016 REQ_SEND;
2017 }
2018}
2019
2020void
1367aio_busy (double delay, SV *callback=&PL_sv_undef) 2021aio_busy (double delay, SV *callback = &PL_sv_undef)
1368 PPCODE: 2022 PPCODE:
1369{ 2023{
1370 dREQ; 2024 dREQ;
1371 2025
1372 req->type = EIO_BUSY; 2026 req->type = EIO_BUSY;
… …
1374 2028
1375 REQ_SEND; 2029 REQ_SEND;
1376} 2030}
1377 2031
1378void 2032void
1379aio_group (SV *callback=&PL_sv_undef) 2033aio_group (SV *callback = &PL_sv_undef)
1380 PPCODE: 2034 PPCODE:
1381{ 2035{
1382 dREQ; 2036 dREQ;
1383 2037
1384 req->type = EIO_GROUP; 2038 req->type = EIO_GROUP;
1385 2039
2040 PUTBACK;
1386 req_submit (req); 2041 req_submit (req);
2042 SPAGAIN;
2043
1387 XPUSHs (req_sv (req, aio_grp_stash)); 2044 XPUSHs (req_sv (req, aio_grp_stash));
1388} 2045}
1389 2046
1390void 2047void
1391aio_nop (SV *callback=&PL_sv_undef) 2048aio_nop (SV *callback = &PL_sv_undef)
1392 ALIAS: 2049 ALIAS:
1393 aio_nop = EIO_NOP 2050 aio_nop = EIO_NOP
1394 aio_sync = EIO_SYNC 2051 aio_sync = EIO_SYNC
1395 PPCODE: 2052 PPCODE:
1396{ 2053{
… …
1400 2057
1401 REQ_SEND; 2058 REQ_SEND;
1402} 2059}
1403 2060
1404int 2061int
1405aioreq_pri (int pri = 0) 2062aioreq_pri (int pri = NO_INIT)
1406 CODE: 2063 CODE:
1407 RETVAL = next_pri; 2064 RETVAL = next_pri;
1408 if (items > 0) 2065 if (items > 0)
1409 { 2066 {
1410 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2067 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1492 CODE: 2149 CODE:
1493 RETVAL = posix_fadvise (fh, offset, length, advice); 2150 RETVAL = posix_fadvise (fh, offset, length, advice);
1494 OUTPUT: 2151 OUTPUT:
1495 RETVAL 2152 RETVAL
1496 2153
1497ssize_t 2154IV
1498sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2155sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1499 CODE: 2156 CODE:
1500 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2157 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1501 OUTPUT: 2158 OUTPUT:
1502 RETVAL 2159 RETVAL
1503 2160
1504void 2161void
1505mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2162mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1506 PPCODE: 2163 PPCODE:
1507 sv_unmagic (scalar, MMAP_MAGIC); 2164 sv_clear_foreign (scalar);
1508{ 2165{
1509 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2166 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1510 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2167 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1511 if (addr == (void *)-1) 2168 if (addr == (void *)-1)
1512 XSRETURN_NO; 2169 XSRETURN_NO;
1513 2170
1514 sv_force_normal (scalar); 2171 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1515
1516 /* we store the length in mg_obj, as namlen is I32 :/ */
1517 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1518 ->mg_obj = (SV *)length;
1519
1520 SvUPGRADE (scalar, SVt_PV); /* nop... */
1521 2172
1522 if (!(prot & PROT_WRITE)) 2173 if (!(prot & PROT_WRITE))
1523 SvREADONLY_on (scalar); 2174 SvREADONLY_on (scalar);
1524 2175
1525 if (SvLEN (scalar))
1526 Safefree (SvPVX (scalar));
1527
1528 SvPVX (scalar) = (char *)addr;
1529 SvCUR_set (scalar, length);
1530 SvLEN_set (scalar, 0);
1531 SvPOK_only (scalar);
1532
1533 XSRETURN_YES; 2176 XSRETURN_YES;
1534} 2177}
1535 2178
1536void 2179void
1537munmap (SV *scalar) 2180munmap (SV *scalar)
1538 CODE: 2181 CODE:
1539 sv_unmagic (scalar, MMAP_MAGIC); 2182 sv_clear_foreign (scalar);
2183
2184SV *
2185mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2186 CODE:
2187{
2188 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2189 void *new;
2190
2191 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2192 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2193
2194 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2195
2196 RETVAL = &PL_sv_no;
2197
2198 if (new != (void *)-1)
2199 {
2200 RETVAL = new == (void *)mg->mg_ptr
2201 ? newSVpvn ("0 but true", 10)
2202 : &PL_sv_yes;
2203
2204 mg->mg_ptr = (char *)new;
2205 mg->mg_obj = (SV *)new_length;
2206
2207 SvPVX (scalar) = mg->mg_ptr;
2208 SvCUR_set (scalar, new_length);
2209 }
2210}
2211 OUTPUT:
2212 RETVAL
1540 2213
1541int 2214int
1542madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2215madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1543 ALIAS: 2216 ALIAS:
1544 mprotect = 1 2217 mprotect = 1
1545 CODE: 2218 CODE:
1546{ 2219{
1547 STRLEN svlen; 2220 STRLEN svlen;
1548 void *addr = SvPVbyte (scalar, svlen); 2221 void *addr = SvPVbyte (scalar, svlen);
1549 size_t len = SvUV (length); 2222 STRLEN len = SvUV (length);
1550 2223
1551 if (offset < 0) 2224 if (offset < 0)
1552 offset += svlen; 2225 offset += svlen;
1553 2226
1554 if (offset < 0 || offset > svlen) 2227 if (offset < 0 || offset > svlen)
… …
1568} 2241}
1569 OUTPUT: 2242 OUTPUT:
1570 RETVAL 2243 RETVAL
1571 2244
1572int 2245int
1573munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2246munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1574 CODE: 2247 CODE:
1575{ 2248{
1576 STRLEN svlen; 2249 STRLEN svlen;
1577 void *addr = SvPVbyte (scalar, svlen); 2250 void *addr = SvPVbyte (scalar, svlen);
1578 size_t len = SvUV (length); 2251 size_t len = SvUV (length);
1579 2252
1580 if (offset < 0) 2253 if (offset < 0)
1581 offset += svlen; 2254 offset += svlen;
1582 2255
… …
1589 addr = (void *)(((intptr_t)addr) + offset); 2262 addr = (void *)(((intptr_t)addr) + offset);
1590 eio_page_align (&addr, &len); 2263 eio_page_align (&addr, &len);
1591#if _POSIX_MEMLOCK_RANGE 2264#if _POSIX_MEMLOCK_RANGE
1592 RETVAL = munlock (addr, len); 2265 RETVAL = munlock (addr, len);
1593#else 2266#else
1594 RETVAL = ((errno = ENOSYS), -1); 2267 RETVAL = EIO_ENOSYS ();
1595#endif 2268#endif
1596} 2269}
1597 OUTPUT: 2270 OUTPUT:
2271 RETVAL
2272
2273int
2274mlockall (int flags)
2275 PROTOTYPE: $;
2276 CODE:
2277 RETVAL = eio_mlockall_sync (flags);
2278 OUTPUT:
1598 RETVAL 2279 RETVAL
1599 2280
1600int 2281int
1601munlockall () 2282munlockall ()
1602 CODE: 2283 CODE:
1603#if _POSIX_MEMLOCK 2284#if _POSIX_MEMLOCK
1604 munlockall (); 2285 munlockall ();
1605#else 2286#else
1606 RETVAL = -1; 2287 RETVAL = EIO_ENOSYS ();
1607 errno = ENOSYS;
1608#endif 2288#endif
1609 OUTPUT: 2289 OUTPUT:
1610 RETVAL 2290 RETVAL
2291
2292int
2293splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2294 CODE:
2295{
2296#if HAVE_LINUX_SPLICE
2297 loff_t off_in_, off_out_;
2298 RETVAL = splice (
2299 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2300 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2301 length, flags
2302 );
2303#else
2304 RETVAL = EIO_ENOSYS ();
2305#endif
2306}
2307 OUTPUT:
2308 RETVAL
2309
2310int
2311tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2312 CODE:
2313#if HAVE_LINUX_SPLICE
2314 RETVAL = tee (rfh, wfh, length, flags);
2315#else
2316 RETVAL = EIO_ENOSYS ();
2317#endif
2318 OUTPUT:
2319 RETVAL
2320
2321int
2322pipesize (aio_rfd rfh, int new_size = -1)
2323 PROTOTYPE: $;$
2324 CODE:
2325#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2326 if (new_size >= 0)
2327 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2328 else
2329 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2330#else
2331 errno = ENOSYS;
2332 RETVAL = -1;
2333#endif
2334 OUTPUT:
2335 RETVAL
2336
2337void
2338pipe2 (int flags = 0)
2339 PROTOTYPE: ;$
2340 PPCODE:
2341{
2342 int fd[2];
2343 int res;
2344
2345 if (flags)
2346#if HAVE_PIPE2
2347 res = pipe2 (fd, flags);
2348#else
2349 res = (errno = ENOSYS, -1);
2350#endif
2351 else
2352 res = pipe (fd);
2353
2354 if (!res)
2355 {
2356 EXTEND (SP, 2);
2357 PUSHs (newmortalFH (fd[0], O_RDONLY));
2358 PUSHs (newmortalFH (fd[1], O_WRONLY));
2359 }
2360}
2361
2362void
2363eventfd (unsigned int initval = 0, int flags = 0)
2364 PPCODE:
2365{
2366 int fd;
2367#if HAVE_EVENTFD
2368 fd = eventfd (initval, flags);
2369#else
2370 fd = (errno = ENOSYS, -1);
2371#endif
2372
2373 XPUSHs (newmortalFH (fd, O_RDWR));
2374}
2375
2376void
2377timerfd_create (int clockid, int flags = 0)
2378 PPCODE:
2379{
2380 int fd;
2381#if HAVE_TIMERFD
2382 fd = timerfd_create (clockid, flags);
2383#else
2384 fd = (errno = ENOSYS, -1);
2385#endif
2386
2387 XPUSHs (newmortalFH (fd, O_RDWR));
2388}
2389
2390void
2391timerfd_settime (SV *fh, int flags, NV interval, NV value)
2392 PPCODE:
2393{
2394 int fd = s_fileno_croak (fh, 0);
2395#if HAVE_TIMERFD
2396 int res;
2397 struct itimerspec its, ots;
2398
2399 ts_set (&its.it_interval, interval);
2400 ts_set (&its.it_value , value);
2401 res = timerfd_settime (fd, flags, &its, &ots);
2402
2403 if (!res)
2404 {
2405 EXTEND (SP, 2);
2406 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2407 PUSHs (newSVnv (ts_get (&ots.it_value)));
2408 }
2409#else
2410 errno = ENOSYS;
2411#endif
2412}
2413
2414void
2415timerfd_gettime (SV *fh)
2416 PPCODE:
2417{
2418 int fd = s_fileno_croak (fh, 0);
2419#if HAVE_TIMERFD
2420 int res;
2421 struct itimerspec ots;
2422 res = timerfd_gettime (fd, &ots);
2423
2424 if (!res)
2425 {
2426 EXTEND (SP, 2);
2427 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2428 PUSHs (newSVnv (ts_get (&ots.it_value)));
2429 }
2430#else
2431 errno = ENOSYS;
2432#endif
2433}
2434
2435UV
2436get_fdlimit ()
2437 CODE:
2438#if HAVE_RLIMITS
2439 struct rlimit rl;
2440 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2441 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2442#endif
2443 XSRETURN_UNDEF;
2444 OUTPUT:
2445 RETVAL
2446
2447void
2448min_fdlimit (UV limit = 0x7fffffffU)
2449 CODE:
2450{
2451#if HAVE_RLIMITS
2452 struct rlimit rl;
2453 rlim_t orig_rlim_max;
2454 UV bit;
2455
2456 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2457 goto fail;
2458
2459 if (rl.rlim_cur == RLIM_INFINITY)
2460 XSRETURN_YES;
2461
2462 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2463
2464 if (rl.rlim_cur < limit)
2465 {
2466 rl.rlim_cur = limit;
2467
2468 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2469 rl.rlim_max = rl.rlim_cur;
2470 }
2471
2472 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2473 XSRETURN_YES;
2474
2475 if (errno == EPERM)
2476 {
2477 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2478 /* our limit overflows a system-wide limit */
2479 /* try an adaptive algorithm, but do not lower the hardlimit */
2480 rl.rlim_max = 0;
2481 for (bit = 0x40000000U; bit; bit >>= 1)
2482 {
2483 rl.rlim_max |= bit;
2484 rl.rlim_cur = rl.rlim_max;
2485
2486 /* nevr decrease the hard limit */
2487 if (rl.rlim_max < orig_rlim_max)
2488 break;
2489
2490 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2491 rl.rlim_max &= ~bit; /* too high, remove bit again */
2492 }
2493
2494 /* now, raise the soft limit to the max permitted */
2495 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2496 {
2497 rl.rlim_cur = rl.rlim_max;
2498 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2499 errno = EPERM;
2500 }
2501 }
2502#endif
2503 fail:
2504 XSRETURN_UNDEF;
2505}
1611 2506
1612void _on_next_submit (SV *cb) 2507void _on_next_submit (SV *cb)
1613 CODE: 2508 CODE:
1614 SvREFCNT_dec (on_next_submit); 2509 SvREFCNT_dec (on_next_submit);
1615 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2510 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1616 2511
1617PROTOTYPES: DISABLE 2512PROTOTYPES: DISABLE
1618 2513
2514MODULE = IO::AIO PACKAGE = IO::AIO::WD
2515
2516BOOT:
2517{
2518 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2519 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2520}
2521
2522void
2523DESTROY (SV *self)
2524 CODE:
2525{
2526 aio_wd wd = SvAIO_WD (self);
2527#if HAVE_AT
2528 {
2529 SV *callback = &PL_sv_undef;
2530 dREQ; /* clobbers next_pri :/ */
2531 next_pri = req->pri; /* restore next_pri */
2532 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2533 req->type = EIO_WD_CLOSE;
2534 req->wd = wd;
2535 REQ_SEND;
2536 }
2537#else
2538 eio_wd_close_sync (wd);
2539#endif
2540}
2541
1619MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2542MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1620 2543
1621void 2544void
1622cancel (aio_req_ornot req) 2545cancel (aio_req_ornot req)
1623 CODE: 2546 CODE:
1624 eio_cancel (req); 2547 eio_cancel (req);
1625 2548
1626void 2549void
1627cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2550cb (aio_req_ornot req, SV *callback = NO_INIT)
1628 PPCODE: 2551 PPCODE:
1629{ 2552{
1630 if (GIMME_V != G_VOID) 2553 if (GIMME_V != G_VOID)
1631 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2554 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1632 2555
1633 if (items > 1) 2556 if (items > 1)
1634 { 2557 {
1635 SV *cb_cv =get_cb (callback); 2558 SV *cb_cv = get_cb (callback);
1636 2559
1637 SvREFCNT_dec (req->callback); 2560 SvREFCNT_dec (req->callback);
1638 req->callback = SvREFCNT_inc (cb_cv); 2561 req->callback = SvREFCNT_inc (cb_cv);
1639 } 2562 }
1640} 2563}
… …
1697limit (aio_req grp, int limit) 2620limit (aio_req grp, int limit)
1698 CODE: 2621 CODE:
1699 eio_grp_limit (grp, limit); 2622 eio_grp_limit (grp, limit);
1700 2623
1701void 2624void
1702feed (aio_req grp, SV *callback=&PL_sv_undef) 2625feed (aio_req grp, SV *callback = &PL_sv_undef)
1703 CODE: 2626 CODE:
1704{ 2627{
1705 SvREFCNT_dec (grp->sv2); 2628 SvREFCNT_dec (grp->sv2);
1706 grp->sv2 = newSVsv (callback); 2629 grp->sv2 = newSVsv (callback);
1707 grp->feed = aio_grp_feed; 2630 grp->feed = aio_grp_feed;

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