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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.185 by root, Thu Jul 7 22:36:18 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/* Linux/others */ 185static int req_invoke (eio_req *req);
127#ifndef O_ASYNC 186#define EIO_FINISH(req) req_invoke (req)
128# define O_ASYNC 0 187static void req_destroy (eio_req *grp);
129#endif 188#define EIO_DESTROY(req) req_destroy (req)
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136 189
137/* POSIX */ 190#include "libeio/eio.c"
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
171
172#ifndef POSIX_FADV_NORMAL
173# define POSIX_FADV_NORMAL 0
174#endif
175#ifndef POSIX_FADV_SEQUENTIAL
176# define POSIX_FADV_SEQUENTIAL 0
177#endif
178#ifndef POSIX_FADV_RANDOM
179# define POSIX_FADV_RANDOM 0
180#endif
181#ifndef POSIX_FADV_NOREUSE
182# define POSIX_FADV_NOREUSE 0
183#endif
184#ifndef POSIX_FADV_WILLNEED
185# define POSIX_FADV_WILLNEED 0
186#endif
187#ifndef POSIX_FADV_DONTNEED
188# define POSIX_FADV_DONTNEED 0
189#endif
190 191
191#if !HAVE_POSIX_FADVISE 192#if !HAVE_POSIX_FADVISE
192# 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 */
193#endif 194#endif
194 195
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE 196#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 197# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
228#ifndef ST_NODEV
229# define ST_NODEV 0
230#endif
231#ifndef ST_NOEXEC
232# define ST_NOEXEC 0
233#endif
234#ifndef ST_SYNCHRONOUS
235# define ST_SYNCHRONOUS 0
236#endif
237#ifndef ST_MANDLOCK
238# define ST_MANDLOCK 0
239#endif
240#ifndef ST_WRITE
241# define ST_WRITE 0
242#endif
243#ifndef ST_APPEND
244# define ST_APPEND 0
245#endif
246#ifndef ST_IMMUTABLE
247# define ST_IMMUTABLE 0
248#endif
249#ifndef ST_NOATIME
250# define ST_NOATIME 0
251#endif
252#ifndef ST_NODIRATIME
253# define ST_NODIRATIME 0
254#endif
255#ifndef ST_RELATIME
256# define ST_RELATIME 0
257#endif
258
259#ifndef S_IFIFO
260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif 198#endif
283 199
284#ifndef MAP_ANONYMOUS 200#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON 201# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON 202# define MAP_ANONYMOUS MAP_ANON
287# else 203# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
289# endif 205# endif
290#endif 206#endif
291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306 207
307#ifndef makedev 208#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min)) 209# define makedev(maj,min) (((maj) << 8) | (min))
309#endif 210#endif
310#ifndef major 211#ifndef major
… …
312#endif 213#endif
313#ifndef minor 214#ifndef minor
314# define minor(dev) ((dev) & 0xff) 215# define minor(dev) ((dev) & 0xff)
315#endif 216#endif
316 217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
317#ifndef PAGESIZE 220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
318# define PAGESIZE sysconf (_SC_PAGESIZE) 224# define PAGESIZE sysconf (_SC_PAGESIZE)
319#endif 225#endif
320 226
321static int req_invoke (eio_req *req); 227/*****************************************************************************/
322#define EIO_FINISH(req) req_invoke (req) 228
323static void req_destroy (eio_req *grp); 229#if !_POSIX_MAPPED_FILES
324#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 */
325 429
326enum { 430enum {
327 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
328}; 432};
329 433
330#include "libeio/eio.c"
331
332typedef eio_req *aio_req; 434typedef eio_req *aio_req;
333typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
334 437
335static SV *on_next_submit; 438static SV *on_next_submit;
336static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
337static int max_outstanding; 440static int max_outstanding;
338 441
339static s_epipe respipe; 442static s_epipe respipe;
340 443
341static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
342static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
343 446
344static void want_poll (void) 447static void
448want_poll (void)
345{ 449{
346 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
347 s_epipe_signal (&respipe); 451 s_epipe_signal (&respipe);
348} 452}
349 453
350static void done_poll (void) 454static void
455done_poll (void)
351{ 456{
352 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
353 s_epipe_drain (&respipe); 458 s_epipe_drain (&respipe);
354} 459}
355 460
356/* must be called at most once */ 461/* must be called at most once */
462static SV *
357static SV *req_sv (aio_req req, HV *stash) 463req_sv (aio_req req, HV *stash)
358{ 464{
359 if (!req->self) 465 if (!req->self)
360 { 466 {
361 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
362 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
363 } 469 }
364 470
365 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
366} 472}
367 473
368static 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)
369{ 482{
370 MAGIC *mg; 483 MAGIC *mg;
371 484
372 if (!SvROK (sv) 485 if (!SvROK (sv)
486 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
373 || (SvSTASH (SvRV (sv)) != aio_grp_stash 487 || (SvSTASH (SvRV (sv)) != aio_grp_stash
374 && SvSTASH (SvRV (sv)) != aio_req_stash 488 && SvSTASH (SvRV (sv)) != aio_req_stash
375 && !sv_derived_from (sv, "IO::AIO::REQ"))) 489 && !sv_derived_from (sv, "IO::AIO::REQ")))
376 croak ("object of class IO::AIO::REQ expected"); 490 croak ("object of class IO::AIO::REQ expected");
377 491
378 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
379 493
380 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
381} 495}
382 496
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
383static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
384{ 535{
385 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
386 { 537 {
387 dSP; 538 dSP;
388 539
… …
396 FREETMPS; 547 FREETMPS;
397 LEAVE; 548 LEAVE;
398 } 549 }
399} 550}
400 551
552static void
401static void req_submit (eio_req *req) 553req_submit (eio_req *req)
402{ 554{
403 eio_submit (req); 555 eio_submit (req);
404 556
405 if (expect_false (on_next_submit)) 557 if (expect_false (on_next_submit))
406 { 558 {
… …
413 PUTBACK; 565 PUTBACK;
414 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
415 } 567 }
416} 568}
417 569
570static int
418static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
419{ 572{
420 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
421 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
422 575
423 if (!EIO_CANCELLED (req) && req->callback) 576 if (!EIO_CANCELLED (req) && req->callback)
… …
444 SvREADONLY_on (sv_result); 597 SvREADONLY_on (sv_result);
445 } 598 }
446 599
447 switch (req->type) 600 switch (req->type)
448 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
449 case EIO_READDIR: 606 case EIO_READDIR:
450 { 607 {
451 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
452 609
453 if (req->result >= 0) 610 if (req->result >= 0)
… …
506 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))));
507 } 664 }
508 break; 665 break;
509 666
510 case EIO_OPEN: 667 case EIO_OPEN:
511 { 668 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
512 /* convert fd to fh */
513 SV *fh = &PL_sv_undef;
514
515 if (req->result >= 0)
516 {
517 GV *gv = (GV *)sv_newmortal ();
518 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
519 char sym [64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
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 (int)req->result
531 );
532
533 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
534 fh = (SV *)gv;
535 }
536
537 PUSHs (fh);
538 }
539 break; 669 break;
540 670
541 case EIO_STATVFS: 671 case EIO_STATVFS:
542 case EIO_FSTATVFS: 672 case EIO_FSTATVFS:
543 { 673 {
544 SV *rv = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
545 675
676#ifndef _WIN32
546 if (req->result >= 0) 677 if (req->result >= 0)
547 { 678 {
548 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
549 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));
550 686
551 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
552 688
553 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);
554 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);
… …
556 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);
557 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);
558 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);
559 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);
560 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);
561 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 697 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
562 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);
563 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);
564 } 700 }
701#endif
565 702
566 PUSHs (rv); 703 PUSHs (rv);
567 } 704 }
568 705
569 break; 706 break;
… …
593 break; 730 break;
594 731
595 case EIO_STAT: 732 case EIO_STAT:
596 case EIO_LSTAT: 733 case EIO_LSTAT:
597 case EIO_FSTAT: 734 case EIO_FSTAT:
598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
599 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
740
601 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)));
602 break; 746 break;
603 747
604 case EIO_READ: 748 case EIO_READ:
605 { 749 {
606 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));
… …
609 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
610 PUSHs (sv_result); 754 PUSHs (sv_result);
611 } 755 }
612 break; 756 break;
613 757
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
614 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 */
615 if (req->result > 0) 823 if (req->result > 0)
616 SvIV_set (sv_result, 0); 824 SvIV_set (sv_result, 0);
617 /* FALLTHROUGH */ 825 /* FALLTHROUGH */
618 826
… …
639 } 847 }
640 848
641 return !!SvTRUE (ERRSV); 849 return !!SvTRUE (ERRSV);
642} 850}
643 851
852static void
644static void req_destroy (aio_req req) 853req_destroy (aio_req req)
645{ 854{
646 if (req->self) 855 if (req->self)
647 { 856 {
648 sv_unmagic (req->self, PERL_MAGIC_ext); 857 sv_unmagic (req->self, PERL_MAGIC_ext);
649 SvREFCNT_dec (req->self); 858 SvREFCNT_dec (req->self);
650 } 859 }
651 860
652 SvREFCNT_dec (req->sv1); 861 SvREFCNT_dec (req->sv1);
653 SvREFCNT_dec (req->sv2); 862 SvREFCNT_dec (req->sv2);
863 SvREFCNT_dec (req->sv3);
864 SvREFCNT_dec (req->sv4);
654 SvREFCNT_dec (req->callback); 865 SvREFCNT_dec (req->callback);
655 866
656 Safefree (req); 867 free (req);
657} 868}
658 869
870static void
659static void req_cancel_subs (aio_req grp) 871req_cancel_subs (aio_req grp)
660{ 872{
661 aio_req sub;
662
663 if (grp->type != EIO_GROUP) 873 if (grp->type != EIO_GROUP)
664 return; 874 return;
665 875
666 SvREFCNT_dec (grp->sv2); 876 SvREFCNT_dec (grp->sv2);
667 grp->sv2 = 0; 877 grp->sv2 = 0;
668 878
669 eio_grp_cancel (grp); 879 eio_grp_cancel (grp);
670} 880}
671 881
882static void ecb_cold
672static void create_respipe (void) 883create_respipe (void)
673{ 884{
674 if (s_epipe_renew (&respipe)) 885 if (s_epipe_renew (&respipe))
675 croak ("IO::AIO: unable to initialize result pipe"); 886 croak ("IO::AIO: unable to initialize result pipe");
676} 887}
677 888
678static void poll_wait (void) 889static void
890poll_wait (void)
679{ 891{
680 while (eio_nreqs ()) 892 while (eio_nreqs ())
681 { 893 {
682 int size; 894 int size;
683 895
684 X_LOCK (reslock); 896 X_LOCK (EIO_POOL->reslock);
685 size = res_queue.size; 897 size = EIO_POOL->res_queue.size;
686 X_UNLOCK (reslock); 898 X_UNLOCK (EIO_POOL->reslock);
687 899
688 if (size) 900 if (size)
689 return; 901 return;
690 902
691 etp_maybe_start_thread (); 903 etp_maybe_start_thread (EIO_POOL);
692 904
693 s_epipe_wait (&respipe); 905 s_epipe_wait (&respipe);
694 } 906 }
695} 907}
696 908
697static int poll_cb (void) 909static int
910poll_cb (void)
698{ 911{
699 for (;;) 912 for (;;)
700 { 913 {
701 int res = eio_poll (); 914 int res = eio_poll ();
702 915
… …
708 921
709 poll_wait (); 922 poll_wait ();
710 } 923 }
711} 924}
712 925
713static void atfork_child (void) 926static void ecb_cold
927reinit (void)
714{ 928{
715 create_respipe (); 929 create_respipe ();
930
931 if (eio_init (want_poll, done_poll) < 0)
932 croak ("IO::AIO: unable to initialise eio library");
716} 933}
717 934
718/*****************************************************************************/ 935/*****************************************************************************/
719 936
720#if !_POSIX_MAPPED_FILES 937static SV *
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
737{
738 int old_errno = errno;
739 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
740 errno = old_errno;
741
742 mg->mg_obj = 0; /* just in case */
743
744 SvREADONLY_off (sv);
745
746 if (SvPVX (sv) != mg->mg_ptr)
747 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
748
749 SvCUR_set (sv, 0);
750 SvPVX (sv) = 0;
751 SvOK_off (sv);
752
753 return 0;
754}
755
756static MGVTBL mmap_vtbl = {
757 0, 0, 0, 0, mmap_free
758};
759
760/*****************************************************************************/
761
762static SV * get_cb (SV *cb_sv) 938get_cb (SV *cb_sv)
763{ 939{
764 SvGETMAGIC (cb_sv); 940 SvGETMAGIC (cb_sv);
765 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 941 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
766} 942}
767 943
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
768#define dREQ \ 964#define dREQ \
769 SV *cb_cv; \ 965 aio_req req = dreq (callback); \
770 aio_req req; \
771 int req_pri = next_pri; \
772 next_pri = EIO_PRI_DEFAULT; \
773 \
774 cb_cv = get_cb (callback); \
775 \
776 Newz (0, req, 1, eio_req); \
777 if (!req) \
778 croak ("out of memory during eio_req allocation"); \
779 \
780 req->callback = SvREFCNT_inc (cb_cv); \
781 req->pri = req_pri
782 966
783#define REQ_SEND \ 967#define REQ_SEND \
784 PUTBACK; \ 968 PUTBACK; \
785 req_submit (req); \ 969 req_submit (req); \
786 SPAGAIN; \ 970 SPAGAIN; \
787 \ 971 \
788 if (GIMME_V != G_VOID) \ 972 if (GIMME_V != G_VOID) \
789 XPUSHs (req_sv (req, aio_req_stash)); 973 XPUSHs (req_sv (req, aio_req_stash));
790 974
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
791MODULE = IO::AIO PACKAGE = IO::AIO 1058MODULE = IO::AIO PACKAGE = IO::AIO
792 1059
793PROTOTYPES: ENABLE 1060PROTOTYPES: ENABLE
794 1061
795BOOT: 1062BOOT:
… …
799 IV iv; 1066 IV iv;
800 } *civ, const_iv[] = { 1067 } *civ, const_iv[] = {
801# define const_niv(name, value) { # name, (IV) value }, 1068# define const_niv(name, value) { # name, (IV) value },
802# define const_iv(name) { # name, (IV) name }, 1069# define const_iv(name) { # name, (IV) name },
803# 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)
804 const_iv (EXDEV) 1075 const_iv (EXDEV)
805 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
806 const_iv (O_RDONLY) 1098 const_iv (O_RDONLY)
807 const_iv (O_WRONLY) 1099 const_iv (O_WRONLY)
808 const_iv (O_RDWR) 1100 const_iv (O_RDWR)
809 const_iv (O_CREAT) 1101 const_iv (O_CREAT)
810 const_iv (O_TRUNC) 1102 const_iv (O_TRUNC)
… …
823 const_iv (O_SEARCH) 1115 const_iv (O_SEARCH)
824 const_iv (O_DIRECTORY) 1116 const_iv (O_DIRECTORY)
825 const_iv (O_DSYNC) 1117 const_iv (O_DSYNC)
826 const_iv (O_RSYNC) 1118 const_iv (O_RSYNC)
827 const_iv (O_SYNC) 1119 const_iv (O_SYNC)
1120 const_iv (O_PATH)
1121 const_iv (O_TMPFILE)
828 const_iv (O_TTY_INIT) 1122 const_iv (O_TTY_INIT)
829 1123
830 const_iv (S_IFIFO) 1124 const_iv (S_IFIFO)
831 const_iv (S_IFCHR) 1125 const_iv (S_IFCHR)
832 const_iv (S_IFBLK) 1126 const_iv (S_IFBLK)
… …
834 const_iv (S_IFREG) 1128 const_iv (S_IFREG)
835 const_iv (S_IFDIR) 1129 const_iv (S_IFDIR)
836 const_iv (S_IFWHT) 1130 const_iv (S_IFWHT)
837 const_iv (S_IFSOCK) 1131 const_iv (S_IFSOCK)
838 const_iv (S_IFMT) 1132 const_iv (S_IFMT)
839
840 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
841 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
842 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
843 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
844 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
845 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
846
847 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
848 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
849 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
850 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
851 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
852 1133
853 const_iv (ST_RDONLY) 1134 const_iv (ST_RDONLY)
854 const_iv (ST_NOSUID) 1135 const_iv (ST_NOSUID)
855 const_iv (ST_NODEV) 1136 const_iv (ST_NODEV)
856 const_iv (ST_NOEXEC) 1137 const_iv (ST_NOEXEC)
… …
866 const_iv (PROT_NONE) 1147 const_iv (PROT_NONE)
867 const_iv (PROT_EXEC) 1148 const_iv (PROT_EXEC)
868 const_iv (PROT_READ) 1149 const_iv (PROT_READ)
869 const_iv (PROT_WRITE) 1150 const_iv (PROT_WRITE)
870 1151
871 /*const_iv (MAP_FIXED)*/
872 const_iv (MAP_PRIVATE) 1152 const_iv (MAP_PRIVATE)
873 const_iv (MAP_SHARED) 1153 const_iv (MAP_SHARED)
1154 const_iv (MAP_FIXED)
874 const_iv (MAP_ANONYMOUS) 1155 const_iv (MAP_ANONYMOUS)
875 1156
876 /* linuxish */ 1157 /* linuxish */
877 const_iv (MAP_HUGETLB)
878 const_iv (MAP_LOCKED) 1158 const_iv (MAP_LOCKED)
879 const_iv (MAP_NORESERVE) 1159 const_iv (MAP_NORESERVE)
880 const_iv (MAP_POPULATE) 1160 const_iv (MAP_POPULATE)
881 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)
882 1276
883 const_eio (MCL_FUTURE) 1277 const_eio (MCL_FUTURE)
884 const_eio (MCL_CURRENT) 1278 const_eio (MCL_CURRENT)
1279 const_eio (MCL_ONFAULT)
885 1280
886 const_eio (MS_ASYNC) 1281 const_eio (MS_ASYNC)
887 const_eio (MS_INVALIDATE) 1282 const_eio (MS_INVALIDATE)
888 const_eio (MS_SYNC) 1283 const_eio (MS_SYNC)
889 1284
… …
892 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1287 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
893 const_eio (SYNC_FILE_RANGE_WRITE) 1288 const_eio (SYNC_FILE_RANGE_WRITE)
894 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1289 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
895 1290
896 const_eio (FALLOC_FL_KEEP_SIZE) 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)
897 1301
898 const_eio (READDIR_DENTS) 1302 const_eio (READDIR_DENTS)
899 const_eio (READDIR_DIRS_FIRST) 1303 const_eio (READDIR_DIRS_FIRST)
900 const_eio (READDIR_STAT_ORDER) 1304 const_eio (READDIR_STAT_ORDER)
901 const_eio (READDIR_FOUND_UNKNOWN) 1305 const_eio (READDIR_FOUND_UNKNOWN)
… …
912 }; 1316 };
913 1317
914 aio_stash = gv_stashpv ("IO::AIO" , 1); 1318 aio_stash = gv_stashpv ("IO::AIO" , 1);
915 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1319 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
916 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);
917 1322
918 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--)
919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1324 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
920 1325
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1326 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922 1327
923 create_respipe (); 1328 /* allocate dummy pipe fd for aio_close */
1329 {
1330 int pipefd [2];
924 1331
925 if (eio_init (want_poll, done_poll) < 0) 1332 if (
926 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");
927 1342
928 /* atfork child called in fifo order, so before eio's handler */ 1343 close_fd = pipefd [0];
929 X_THREAD_ATFORK (0, 0, atfork_child); 1344 }
1345
1346 reinit ();
930} 1347}
1348
1349void
1350reinit ()
1351 PROTOTYPE:
931 1352
932void 1353void
933max_poll_reqs (unsigned int nreqs) 1354max_poll_reqs (unsigned int nreqs)
934 PROTOTYPE: $ 1355 PROTOTYPE: $
935 CODE: 1356 CODE:
… …
970 PROTOTYPE: $ 1391 PROTOTYPE: $
971 CODE: 1392 CODE:
972 max_outstanding = maxreqs; 1393 max_outstanding = maxreqs;
973 1394
974void 1395void
975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1396aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
976 PPCODE: 1397 PPCODE:
977{ 1398{
978 dREQ; 1399 dREQ;
979 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
980 req->type = EIO_OPEN; 1413 req->type = EIO_OPEN;
981 req->sv1 = newSVsv (pathname); 1414 req_set_path1 (req, pathname);
982 req->ptr1 = SvPVbyte_nolen (req->sv1);
983 req->int1 = flags; 1415 req->int1 = flags;
984 req->int2 = mode; 1416 req->int2 = mode;
985 1417
986 REQ_SEND; 1418 REQ_SEND;
987} 1419}
988 1420
989void 1421void
990aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1422aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
991 ALIAS: 1423 ALIAS:
992 aio_fsync = EIO_FSYNC 1424 aio_fsync = EIO_FSYNC
993 aio_fdatasync = EIO_FDATASYNC 1425 aio_fdatasync = EIO_FDATASYNC
1426 aio_syncfs = EIO_SYNCFS
994 PPCODE: 1427 PPCODE:
995{ 1428{
996 int fd = s_fileno_croak (fh, 0); 1429 int fd = s_fileno_croak (fh, 0);
997 dREQ; 1430 dREQ;
998 1431
999 req->type = ix; 1432 req->type = ix;
1000 req->sv1 = newSVsv (fh); 1433 req->sv1 = newSVsv (fh);
1001 req->int1 = fd; 1434 req->int1 = fd;
1002 1435
1003 REQ_SEND (req); 1436 REQ_SEND;
1004} 1437}
1005 1438
1006void 1439void
1007aio_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)
1008 PPCODE: 1441 PPCODE:
1009{ 1442{
1010 int fd = s_fileno_croak (fh, 0); 1443 int fd = s_fileno_croak (fh, 0);
1011 dREQ; 1444 dREQ;
1012 1445
1013 req->type = EIO_SYNC_FILE_RANGE; 1446 req->type = EIO_SYNC_FILE_RANGE;
1014 req->sv1 = newSVsv (fh); 1447 req->sv1 = newSVsv (fh);
1015 req->int1 = fd; 1448 req->int1 = fd;
1016 req->offs = offset; 1449 req->offs = offset;
1017 req->size = nbytes; 1450 req->size = nbytes;
1018 req->int2 = flags; 1451 req->int2 = flags;
1019 1452
1020 REQ_SEND (req); 1453 REQ_SEND;
1021} 1454}
1022 1455
1023void 1456void
1024aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1457aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1025 PPCODE: 1458 PPCODE:
1026{ 1459{
1027 int fd = s_fileno_croak (fh, 0); 1460 int fd = s_fileno_croak (fh, 0);
1028 dREQ; 1461 dREQ;
1029 1462
1030 req->type = EIO_FALLOCATE; 1463 req->type = EIO_FALLOCATE;
1031 req->sv1 = newSVsv (fh); 1464 req->sv1 = newSVsv (fh);
1032 req->int1 = fd; 1465 req->int1 = fd;
1033 req->int2 = mode; 1466 req->int2 = mode;
1034 req->offs = offset; 1467 req->offs = offset;
1035 req->size = len; 1468 req->size = len;
1036 1469
1037 REQ_SEND (req); 1470 REQ_SEND;
1038} 1471}
1039 1472
1040void 1473void
1041aio_close (SV *fh, SV *callback=&PL_sv_undef) 1474aio_close (SV *fh, SV *callback = &PL_sv_undef)
1042 PPCODE: 1475 PPCODE:
1043{ 1476{
1044 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
1045 int fd = s_fileno_croak (fh, 0);
1046 dREQ; 1477 dREQ;
1478 int fd = s_fileno_croak (fh, 0);
1047 1479
1048 if (close_pipe < 0) 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)
1049 { 1490 {
1050 int pipefd [2]; 1491 /* perl filehandle */
1492 PerlIOUnix_refcnt_inc (fd);
1493 do_close ((GV *)fh, 1);
1051 1494
1052 if (pipe (pipefd) < 0 1495 req->type = EIO_CLOSE;
1053 || close (pipefd [1]) < 0 1496 req->int1 = fd;
1054 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1497 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1055 abort (); /*D*/
1056
1057 close_pipe = pipefd [0];
1058 } 1498 }
1059 1499 else
1500 {
1501 /* fd number */
1060 req->type = EIO_DUP2; 1502 req->type = EIO_DUP2;
1061 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;
1062 req->sv2 = newSVsv (fh); 1519 req->sv1 = newSVsv (fh);
1063 req->int2 = fd; 1520 req->int1 = fd;
1521 req->offs = SvVAL64 (offset);
1522 req->int2 = whence;
1064 1523
1065 REQ_SEND (req); 1524 REQ_SEND;
1066} 1525}
1067 1526
1068void 1527void
1069aio_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)
1070 ALIAS: 1529 ALIAS:
1071 aio_read = EIO_READ 1530 aio_read = EIO_READ
1072 aio_write = EIO_WRITE 1531 aio_write = EIO_WRITE
1073 PPCODE: 1532 PPCODE:
1074{ 1533{
… …
1090 len = svlen - dataoffset; 1549 len = svlen - dataoffset;
1091 } 1550 }
1092 else 1551 else
1093 { 1552 {
1094 /* read: check type and grow scalar as necessary */ 1553 /* read: check type and grow scalar as necessary */
1095 SvUPGRADE (data, SVt_PV); 1554 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1096 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");
1097 } 1558 }
1098 1559
1099 { 1560 {
1100 dREQ; 1561 dREQ;
1101 1562
… …
1117 REQ_SEND; 1578 REQ_SEND;
1118 } 1579 }
1119} 1580}
1120 1581
1121void 1582void
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
1587 PPCODE:
1588{
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
1122aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1623aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1123 ALIAS: 1624 ALIAS:
1124 aio_readlink = EIO_READLINK 1625 aio_readlink = EIO_READLINK
1125 aio_realpath = EIO_REALPATH 1626 aio_realpath = EIO_REALPATH
1126 PPCODE: 1627 PPCODE:
1127{ 1628{
1128 SV *data;
1129 dREQ; 1629 dREQ;
1130 1630
1131 req->type = ix; 1631 req->type = ix;
1132 req->sv1 = newSVsv (path); 1632 req_set_path1 (req, pathname);
1133 req->ptr1 = SvPVbyte_nolen (req->sv1);
1134 1633
1135 REQ_SEND; 1634 REQ_SEND;
1136} 1635}
1137 1636
1138void 1637void
1139aio_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)
1140 PPCODE: 1639 PPCODE:
1141{ 1640{
1142 int ifd = s_fileno_croak (in_fh , 0); 1641 int ifd = s_fileno_croak (in_fh , 0);
1143 int ofd = s_fileno_croak (out_fh, 1); 1642 int ofd = s_fileno_croak (out_fh, 1);
1144 dREQ; 1643 dREQ;
1145 1644
1146 req->type = EIO_SENDFILE; 1645 req->type = EIO_SENDFILE;
1147 req->sv1 = newSVsv (out_fh); 1646 req->sv1 = newSVsv (out_fh);
1148 req->int1 = ofd; 1647 req->int1 = ofd;
… …
1153 1652
1154 REQ_SEND; 1653 REQ_SEND;
1155} 1654}
1156 1655
1157void 1656void
1158aio_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)
1159 PPCODE: 1658 PPCODE:
1160{ 1659{
1161 int fd = s_fileno_croak (fh, 0); 1660 int fd = s_fileno_croak (fh, 0);
1162 dREQ; 1661 dREQ;
1163 1662
1164 req->type = EIO_READAHEAD; 1663 req->type = EIO_READAHEAD;
1165 req->sv1 = newSVsv (fh); 1664 req->sv1 = newSVsv (fh);
1166 req->int1 = fd; 1665 req->int1 = fd;
… …
1169 1668
1170 REQ_SEND; 1669 REQ_SEND;
1171} 1670}
1172 1671
1173void 1672void
1174aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1673aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1175 ALIAS: 1674 ALIAS:
1176 aio_stat = EIO_STAT 1675 aio_stat = EIO_STAT
1177 aio_lstat = EIO_LSTAT 1676 aio_lstat = EIO_LSTAT
1178 aio_statvfs = EIO_STATVFS 1677 aio_statvfs = EIO_STATVFS
1179 PPCODE: 1678 PPCODE:
1180{ 1679{
1181 dREQ; 1680 dREQ;
1182 1681
1183 req->sv1 = newSVsv (fh_or_path); 1682 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1184
1185 if (SvPOK (req->sv1))
1186 {
1187 req->type = ix;
1188 req->ptr1 = SvPVbyte_nolen (req->sv1);
1189 }
1190 else
1191 {
1192 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1193 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1194 }
1195 1683
1196 REQ_SEND; 1684 REQ_SEND;
1197} 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));
1198 1720
1199UV 1721UV
1200major (UV dev) 1722major (UV dev)
1201 ALIAS: 1723 ALIAS:
1202 minor = 1 1724 minor = 1
1203 CODE: 1725 CODE:
1204 RETVAL = ix ? major (dev) : minor (dev); 1726 RETVAL = ix ? minor (dev) : major (dev);
1205 OUTPUT: 1727 OUTPUT:
1206 RETVAL 1728 RETVAL
1207 1729
1208UV 1730UV
1209makedev (UV maj, UV min) 1731makedev (UV maj, UV min)
… …
1211 RETVAL = makedev (maj, min); 1733 RETVAL = makedev (maj, min);
1212 OUTPUT: 1734 OUTPUT:
1213 RETVAL 1735 RETVAL
1214 1736
1215void 1737void
1216aio_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)
1217 PPCODE: 1739 PPCODE:
1218{ 1740{
1219 dREQ; 1741 dREQ;
1220 1742
1221 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1743 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1222 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1744 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1223 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1224
1225 if (SvPOK (req->sv1))
1226 {
1227 req->type = EIO_UTIME;
1228 req->ptr1 = SvPVbyte_nolen (req->sv1);
1229 }
1230 else
1231 {
1232 req->type = EIO_FUTIME;
1233 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1234 }
1235 1746
1236 REQ_SEND; 1747 REQ_SEND;
1237} 1748}
1238 1749
1239void 1750void
1240aio_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)
1241 PPCODE: 1752 PPCODE:
1242{ 1753{
1243 dREQ; 1754 dREQ;
1244 1755
1245 req->sv1 = newSVsv (fh_or_path);
1246 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1756 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1247 1757 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1248 if (SvPOK (req->sv1))
1249 {
1250 req->type = EIO_TRUNCATE;
1251 req->ptr1 = SvPVbyte_nolen (req->sv1);
1252 }
1253 else
1254 {
1255 req->type = EIO_FTRUNCATE;
1256 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1257 }
1258 1758
1259 REQ_SEND; 1759 REQ_SEND;
1260} 1760}
1261 1761
1262void 1762void
1263aio_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)
1264 ALIAS:
1265 aio_chmod = EIO_CHMOD
1266 aio_mkdir = EIO_MKDIR
1267 PPCODE: 1764 PPCODE:
1268{ 1765{
1269 dREQ; 1766 dREQ;
1270 1767
1271 req->int2 = mode; 1768 req->int2 = mode;
1272 req->sv1 = newSVsv (fh_or_path); 1769 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1273
1274 if (SvPOK (req->sv1))
1275 {
1276 req->type = ix;
1277 req->ptr1 = SvPVbyte_nolen (req->sv1);
1278 }
1279 else
1280 {
1281 req->type = EIO_FCHMOD;
1282 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1283 }
1284 1770
1285 REQ_SEND; 1771 REQ_SEND;
1286} 1772}
1287 1773
1288void 1774void
1289aio_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)
1290 PPCODE: 1776 PPCODE:
1291{ 1777{
1292 dREQ; 1778 dREQ;
1293 1779
1294 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1780 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1295 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1781 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1296 req->sv1 = newSVsv (fh_or_path); 1782 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1297
1298 if (SvPOK (req->sv1))
1299 {
1300 req->type = EIO_CHOWN;
1301 req->ptr1 = SvPVbyte_nolen (req->sv1);
1302 }
1303 else
1304 {
1305 req->type = EIO_FCHOWN;
1306 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1307 }
1308 1783
1309 REQ_SEND; 1784 REQ_SEND;
1310} 1785}
1311 1786
1312void 1787void
1313aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1788aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1314 PPCODE: 1789 PPCODE:
1315{ 1790{
1316 dREQ; 1791 dREQ;
1317 1792
1318 req->type = EIO_READDIR; 1793 req->type = EIO_READDIR;
1319 req->sv1 = newSVsv (pathname);
1320 req->ptr1 = SvPVbyte_nolen (req->sv1);
1321 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1794 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1322 1795
1323 if (flags & EIO_READDIR_DENTS) 1796 if (flags & EIO_READDIR_DENTS)
1324 req->int1 |= EIO_READDIR_CUSTOM2; 1797 req->int1 |= EIO_READDIR_CUSTOM2;
1325 1798
1799 req_set_path1 (req, pathname);
1800
1326 REQ_SEND; 1801 REQ_SEND;
1327} 1802}
1328 1803
1329void 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
1330aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1818aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1331 ALIAS: 1819 ALIAS:
1332 aio_unlink = EIO_UNLINK 1820 aio_unlink = EIO_UNLINK
1333 aio_rmdir = EIO_RMDIR 1821 aio_rmdir = EIO_RMDIR
1334 aio_readdir = EIO_READDIR 1822 aio_readdir = EIO_READDIR
1335 PPCODE: 1823 PPCODE:
1336{ 1824{
1337 dREQ; 1825 dREQ;
1338 1826
1339 req->type = ix; 1827 req->type = ix;
1340 req->sv1 = newSVsv (pathname); 1828 req_set_path1 (req, pathname);
1341 req->ptr1 = SvPVbyte_nolen (req->sv1);
1342 1829
1343 REQ_SEND; 1830 REQ_SEND;
1344} 1831}
1345 1832
1346void 1833void
1347aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1834aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1348 ALIAS: 1835 ALIAS:
1349 aio_link = EIO_LINK 1836 aio_link = EIO_LINK
1350 aio_symlink = EIO_SYMLINK 1837 aio_symlink = EIO_SYMLINK
1351 aio_rename = EIO_RENAME 1838 aio_rename = EIO_RENAME
1352 PPCODE: 1839 PPCODE:
1353{ 1840{
1841 eio_wd wd2 = 0;
1354 dREQ; 1842 dREQ;
1355 1843
1356 req->type = ix; 1844 req->type = ix;
1357 req->sv1 = newSVsv (oldpath); 1845 req_set_path1 (req, oldpath);
1358 req->ptr1 = SvPVbyte_nolen (req->sv1); 1846 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1359 req->sv2 = newSVsv (newpath); 1847 req->int3 = (long)wd2;
1360 req->ptr2 = SvPVbyte_nolen (req->sv2);
1361 1848
1362 REQ_SEND; 1849 REQ_SEND;
1363} 1850}
1364 1851
1365void 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
1366aio_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)
1367 PPCODE: 1870 PPCODE:
1368{ 1871{
1369 dREQ; 1872 dREQ;
1370 1873
1371 req->type = EIO_MKNOD; 1874 req->type = EIO_MKNOD;
1372 req->sv1 = newSVsv (pathname);
1373 req->ptr1 = SvPVbyte_nolen (req->sv1);
1374 req->int2 = (mode_t)mode; 1875 req->int2 = (mode_t)mode;
1375 req->offs = dev; 1876 req->offs = dev;
1877 req_set_path1 (req, pathname);
1376 1878
1377 REQ_SEND; 1879 REQ_SEND;
1378} 1880}
1379 1881
1380void 1882void
1381aio_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)
1382 ALIAS: 1884 ALIAS:
1383 aio_mtouch = EIO_MTOUCH 1885 aio_mtouch = EIO_MTOUCH
1384 aio_msync = EIO_MSYNC 1886 aio_msync = EIO_MSYNC
1385 PPCODE: 1887 PPCODE:
1386{ 1888{
1387 STRLEN svlen; 1889 STRLEN svlen;
1388 char *svptr = SvPVbyte (data, svlen); 1890 char *svptr = SvPVbyte (data, svlen);
1389 UV len = SvUV (length); 1891 UV len = SvUV (length);
1892
1893 if (flags < 0)
1894 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1390 1895
1391 if (offset < 0) 1896 if (offset < 0)
1392 offset += svlen; 1897 offset += svlen;
1393 1898
1394 if (offset < 0 || offset > svlen) 1899 if (offset < 0 || offset > svlen)
… …
1409 REQ_SEND; 1914 REQ_SEND;
1410 } 1915 }
1411} 1916}
1412 1917
1413void 1918void
1414aio_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)
1415 PPCODE: 1920 PPCODE:
1416{ 1921{
1417 STRLEN svlen; 1922 STRLEN svlen;
1418 char *svptr = SvPVbyte (data, svlen); 1923 char *svptr = SvPVbyte (data, svlen);
1419 UV len = SvUV (length); 1924 UV len = SvUV (length);
… …
1438 REQ_SEND; 1943 REQ_SEND;
1439 } 1944 }
1440} 1945}
1441 1946
1442void 1947void
1443aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1948aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1444 PPCODE: 1949 PPCODE:
1445{ 1950{
1446 dREQ; 1951 dREQ;
1447 1952
1448 req->type = EIO_MLOCKALL; 1953 req->type = EIO_MLOCKALL;
… …
1450 1955
1451 REQ_SEND; 1956 REQ_SEND;
1452} 1957}
1453 1958
1454void 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
1455aio_busy (double delay, SV *callback=&PL_sv_undef) 2021aio_busy (double delay, SV *callback = &PL_sv_undef)
1456 PPCODE: 2022 PPCODE:
1457{ 2023{
1458 dREQ; 2024 dREQ;
1459 2025
1460 req->type = EIO_BUSY; 2026 req->type = EIO_BUSY;
… …
1462 2028
1463 REQ_SEND; 2029 REQ_SEND;
1464} 2030}
1465 2031
1466void 2032void
1467aio_group (SV *callback=&PL_sv_undef) 2033aio_group (SV *callback = &PL_sv_undef)
1468 PPCODE: 2034 PPCODE:
1469{ 2035{
1470 dREQ; 2036 dREQ;
1471 2037
1472 req->type = EIO_GROUP; 2038 req->type = EIO_GROUP;
1473 2039
2040 PUTBACK;
1474 req_submit (req); 2041 req_submit (req);
2042 SPAGAIN;
2043
1475 XPUSHs (req_sv (req, aio_grp_stash)); 2044 XPUSHs (req_sv (req, aio_grp_stash));
1476} 2045}
1477 2046
1478void 2047void
1479aio_nop (SV *callback=&PL_sv_undef) 2048aio_nop (SV *callback = &PL_sv_undef)
1480 ALIAS: 2049 ALIAS:
1481 aio_nop = EIO_NOP 2050 aio_nop = EIO_NOP
1482 aio_sync = EIO_SYNC 2051 aio_sync = EIO_SYNC
1483 PPCODE: 2052 PPCODE:
1484{ 2053{
… …
1488 2057
1489 REQ_SEND; 2058 REQ_SEND;
1490} 2059}
1491 2060
1492int 2061int
1493aioreq_pri (int pri = 0) 2062aioreq_pri (int pri = NO_INIT)
1494 CODE: 2063 CODE:
1495 RETVAL = next_pri; 2064 RETVAL = next_pri;
1496 if (items > 0) 2065 if (items > 0)
1497 { 2066 {
1498 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2067 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1580 CODE: 2149 CODE:
1581 RETVAL = posix_fadvise (fh, offset, length, advice); 2150 RETVAL = posix_fadvise (fh, offset, length, advice);
1582 OUTPUT: 2151 OUTPUT:
1583 RETVAL 2152 RETVAL
1584 2153
1585ssize_t 2154IV
1586sendfile (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)
1587 CODE: 2156 CODE:
1588 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2157 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1589 OUTPUT: 2158 OUTPUT:
1590 RETVAL 2159 RETVAL
1591 2160
1592void 2161void
1593mmap (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)
1594 PPCODE: 2163 PPCODE:
1595 sv_unmagic (scalar, MMAP_MAGIC); 2164 sv_clear_foreign (scalar);
1596{ 2165{
1597 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;
1598 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2167 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1599 if (addr == (void *)-1) 2168 if (addr == (void *)-1)
1600 XSRETURN_NO; 2169 XSRETURN_NO;
1601 2170
1602 sv_force_normal (scalar); 2171 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1603
1604 /* we store the length in mg_obj, as namlen is I32 :/ */
1605 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1606 ->mg_obj = (SV *)length;
1607
1608 SvUPGRADE (scalar, SVt_PV); /* nop... */
1609 2172
1610 if (!(prot & PROT_WRITE)) 2173 if (!(prot & PROT_WRITE))
1611 SvREADONLY_on (scalar); 2174 SvREADONLY_on (scalar);
1612 2175
1613 if (SvLEN (scalar))
1614 Safefree (SvPVX (scalar));
1615
1616 SvPVX (scalar) = (char *)addr;
1617 SvCUR_set (scalar, length);
1618 SvLEN_set (scalar, 0);
1619 SvPOK_only (scalar);
1620
1621 XSRETURN_YES; 2176 XSRETURN_YES;
1622} 2177}
1623 2178
1624void 2179void
1625munmap (SV *scalar) 2180munmap (SV *scalar)
1626 CODE: 2181 CODE:
1627 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
1628 2213
1629int 2214int
1630madvise (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)
1631 ALIAS: 2216 ALIAS:
1632 mprotect = 1 2217 mprotect = 1
1633 CODE: 2218 CODE:
1634{ 2219{
1635 STRLEN svlen; 2220 STRLEN svlen;
1636 void *addr = SvPVbyte (scalar, svlen); 2221 void *addr = SvPVbyte (scalar, svlen);
1637 size_t len = SvUV (length); 2222 STRLEN len = SvUV (length);
1638 2223
1639 if (offset < 0) 2224 if (offset < 0)
1640 offset += svlen; 2225 offset += svlen;
1641 2226
1642 if (offset < 0 || offset > svlen) 2227 if (offset < 0 || offset > svlen)
… …
1656} 2241}
1657 OUTPUT: 2242 OUTPUT:
1658 RETVAL 2243 RETVAL
1659 2244
1660int 2245int
1661munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2246munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1662 CODE: 2247 CODE:
1663{ 2248{
1664 STRLEN svlen; 2249 STRLEN svlen;
1665 void *addr = SvPVbyte (scalar, svlen); 2250 void *addr = SvPVbyte (scalar, svlen);
1666 size_t len = SvUV (length); 2251 size_t len = SvUV (length);
1667 2252
1668 if (offset < 0) 2253 if (offset < 0)
1669 offset += svlen; 2254 offset += svlen;
1670 2255
… …
1677 addr = (void *)(((intptr_t)addr) + offset); 2262 addr = (void *)(((intptr_t)addr) + offset);
1678 eio_page_align (&addr, &len); 2263 eio_page_align (&addr, &len);
1679#if _POSIX_MEMLOCK_RANGE 2264#if _POSIX_MEMLOCK_RANGE
1680 RETVAL = munlock (addr, len); 2265 RETVAL = munlock (addr, len);
1681#else 2266#else
1682 RETVAL = ((errno = ENOSYS), -1); 2267 RETVAL = EIO_ENOSYS ();
1683#endif 2268#endif
1684} 2269}
1685 OUTPUT: 2270 OUTPUT:
2271 RETVAL
2272
2273int
2274mlockall (int flags)
2275 PROTOTYPE: $;
2276 CODE:
2277 RETVAL = eio_mlockall_sync (flags);
2278 OUTPUT:
1686 RETVAL 2279 RETVAL
1687 2280
1688int 2281int
1689munlockall () 2282munlockall ()
1690 CODE: 2283 CODE:
1691#if _POSIX_MEMLOCK 2284#if _POSIX_MEMLOCK
1692 munlockall (); 2285 munlockall ();
1693#else 2286#else
1694 RETVAL = -1; 2287 RETVAL = EIO_ENOSYS ();
1695 errno = ENOSYS;
1696#endif 2288#endif
1697 OUTPUT: 2289 OUTPUT:
1698 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}
1699 2506
1700void _on_next_submit (SV *cb) 2507void _on_next_submit (SV *cb)
1701 CODE: 2508 CODE:
1702 SvREFCNT_dec (on_next_submit); 2509 SvREFCNT_dec (on_next_submit);
1703 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2510 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1704 2511
1705PROTOTYPES: DISABLE 2512PROTOTYPES: DISABLE
1706 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
1707MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2542MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1708 2543
1709void 2544void
1710cancel (aio_req_ornot req) 2545cancel (aio_req_ornot req)
1711 CODE: 2546 CODE:
1712 eio_cancel (req); 2547 eio_cancel (req);
1713 2548
1714void 2549void
1715cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2550cb (aio_req_ornot req, SV *callback = NO_INIT)
1716 PPCODE: 2551 PPCODE:
1717{ 2552{
1718 if (GIMME_V != G_VOID) 2553 if (GIMME_V != G_VOID)
1719 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);
1720 2555
1721 if (items > 1) 2556 if (items > 1)
1722 { 2557 {
1723 SV *cb_cv =get_cb (callback); 2558 SV *cb_cv = get_cb (callback);
1724 2559
1725 SvREFCNT_dec (req->callback); 2560 SvREFCNT_dec (req->callback);
1726 req->callback = SvREFCNT_inc (cb_cv); 2561 req->callback = SvREFCNT_inc (cb_cv);
1727 } 2562 }
1728} 2563}
… …
1785limit (aio_req grp, int limit) 2620limit (aio_req grp, int limit)
1786 CODE: 2621 CODE:
1787 eio_grp_limit (grp, limit); 2622 eio_grp_limit (grp, limit);
1788 2623
1789void 2624void
1790feed (aio_req grp, SV *callback=&PL_sv_undef) 2625feed (aio_req grp, SV *callback = &PL_sv_undef)
1791 CODE: 2626 CODE:
1792{ 2627{
1793 SvREFCNT_dec (grp->sv2); 2628 SvREFCNT_dec (grp->sv2);
1794 grp->sv2 = newSVsv (callback); 2629 grp->sv2 = newSVsv (callback);
1795 grp->feed = aio_grp_feed; 2630 grp->feed = aio_grp_feed;

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