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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 2010 UTC vs.
Revision 1.268 by root, Thu Nov 29 19:49:48 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 23/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 24 * to implement any linux standard apis, and also has no way to test
25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
23#endif 35#endif
24 36
25/* perl namespace pollution */ 37/* perl namespace pollution */
26#undef VERSION 38#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 39
77/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
79#undef readdir 42#undef readdir
80#undef opendir 43#undef opendir
81#undef closedir 44#undef closedir
82 45
46#ifdef _WIN32
47
48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
52 #undef open
53 #undef read
54 #undef write
55 #undef send
56 #undef recv
57 #undef stat
58 #undef lstat
59 #undef fstat
60 #undef truncate
61 #undef ftruncate
62 #undef open
63 #undef link
64 #undef close
65 #undef unlink
66 #undef mkdir
67 #undef rmdir
68 #undef rename
69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
79 #undef utime
80
81 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
84 83
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 84#else
91# define VAL64 NV 85
92# define SvVAL64 SvNV 86 #include <sys/time.h>
93# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
94#endif 94#endif
95 95
96/*****************************************************************************/ 96/*****************************************************************************/
97 97
98#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
106 106
107/*****************************************************************************/ 107/*****************************************************************************/
108 108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
109typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
112 170
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 172
115#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
116 SV *callback; \ 174 SV *callback; \
117 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 177 STRLEN stroffset; \
119 SV *self; 178 SV *self;
120 179
121#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
122 181
123#include "libeio/eio.h" 182#include "libeio/eio.h"
124 183
125#ifndef POSIX_FADV_NORMAL 184static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 185#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 186static void req_destroy (eio_req *grp);
128#endif 187#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
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
144 188
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 189#include "libeio/eio.c"
190
191#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 193#endif
148 194
149#ifndef POSIX_MADV_NORMAL 195#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 196# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef ST_NODEV
171# define ST_NODEV 0
172#endif
173#ifndef ST_NOEXEC
174# define ST_NOEXEC 0
175#endif
176#ifndef ST_SYNCHRONOUS
177# define ST_SYNCHRONOUS 0
178#endif
179#ifndef ST_MANDLOCK
180# define ST_MANDLOCK 0
181#endif
182#ifndef ST_WRITE
183# define ST_WRITE 0
184#endif
185#ifndef ST_APPEND
186# define ST_APPEND 0
187#endif
188#ifndef ST_IMMUTABLE
189# define ST_IMMUTABLE 0
190#endif
191#ifndef ST_NOATIME
192# define ST_NOATIME 0
193#endif
194#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0
196#endif
197#ifndef ST_RELATIME
198# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 197#endif
207 198
208#ifndef MAP_ANONYMOUS 199#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 200# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 201# define MAP_ANONYMOUS MAP_ANON
211# else 202# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 204# endif
214#endif 205#endif
215#ifndef MAP_HUGETLB
216# define MAP_HUGETLB 0
217#endif
218#ifndef MAP_LOCKED
219# define MAP_LOCKED 0
220#endif
221#ifndef MAP_NORESERVE
222# define MAP_NORESERVE 0
223#endif
224#ifndef MAP_POPULATE
225# define MAP_POPULATE 0
226#endif
227#ifndef MAP_NONBLOCK
228# define MAP_NONBLOCK 0
229#endif
230 206
207#ifndef makedev
208# define makedev(maj,min) (((maj) << 8) | (min))
209#endif
210#ifndef major
211# define major(dev) ((dev) >> 8)
212#endif
213#ifndef minor
214# define minor(dev) ((dev) & 0xff)
215#endif
216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
231#ifndef PAGESIZE 219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 223# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 224#endif
234 225
235static int req_invoke (eio_req *req); 226/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 227
237static void req_destroy (eio_req *grp); 228#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
239 428
240enum { 429enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 431};
243 432
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 433typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
248 436
249static SV *on_next_submit; 437static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 439static int max_outstanding;
252 440
253static s_epipe respipe; 441static s_epipe respipe;
254 442
255static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
257 445
258static void want_poll (void) 446static void
447want_poll (void)
259{ 448{
260 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
262} 451}
263 452
264static void done_poll (void) 453static void
454done_poll (void)
265{ 455{
266 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
268} 458}
269 459
270/* must be called at most once */ 460/* must be called at most once */
461static SV *
271static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
272{ 463{
273 if (!req->self) 464 if (!req->self)
274 { 465 {
275 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 468 }
278 469
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 471}
281 472
282static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
283{ 481{
284 MAGIC *mg; 482 MAGIC *mg;
285 483
286 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
291 490
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 492
294 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
295} 494}
296 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
297static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
298{ 534{
299 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
300 { 536 {
301 dSP; 537 dSP;
302 538
… …
310 FREETMPS; 546 FREETMPS;
311 LEAVE; 547 LEAVE;
312 } 548 }
313} 549}
314 550
551static void
315static void req_submit (eio_req *req) 552req_submit (eio_req *req)
316{ 553{
317 eio_submit (req); 554 eio_submit (req);
318 555
319 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
320 { 557 {
… …
327 PUTBACK; 564 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
329 } 566 }
330} 567}
331 568
569static int
332static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
333{ 571{
334 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
336 574
337 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 586 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 587 if (expect_true (sv_result_cache))
350 { 588 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 589 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 590 SvIV_set (sv_result, req->result);
591 SvIOK_only (sv_result);
353 } 592 }
354 else 593 else
355 { 594 {
356 sv_result = newSViv (req->result); 595 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 596 SvREADONLY_on (sv_result);
358 } 597 }
359 598
360 switch (req->type) 599 switch (req->type)
361 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
362 case EIO_READDIR: 605 case EIO_READDIR:
363 { 606 {
364 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
365 608
366 if (req->result >= 0) 609 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 663 }
421 break; 664 break;
422 665
423 case EIO_OPEN: 666 case EIO_OPEN:
424 { 667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
425 /* convert fd to fh */
426 SV *fh = &PL_sv_undef;
427
428 if (req->result >= 0)
429 {
430 GV *gv = (GV *)sv_newmortal ();
431 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
432 char sym [64];
433 int symlen;
434
435 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
436 gv_init (gv, aio_stash, sym, symlen, 0);
437
438 symlen = snprintf (
439 sym,
440 sizeof (sym),
441 "%s&=%d",
442 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
443 (int)req->result
444 );
445
446 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
447 fh = (SV *)gv;
448 }
449
450 PUSHs (fh);
451 }
452 break; 668 break;
453 669
454 case EIO_STATVFS: 670 case EIO_STATVFS:
455 case EIO_FSTATVFS: 671 case EIO_FSTATVFS:
456 { 672 {
457 SV *rv = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
458 674
675#ifndef _WIN32
459 if (req->result >= 0) 676 if (req->result >= 0)
460 { 677 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 679 HV *hv = newHV ();
680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
681 * chooses to make it a struct.
682 */
683 unsigned long fsid = 0;
684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 685
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 687
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
467 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
469 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
470 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
471 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
472 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
473 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
474 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
476 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 699 }
700#endif
478 701
479 PUSHs (rv); 702 PUSHs (rv);
480 } 703 }
481 704
482 break; 705 break;
… …
498 case EIO_NOP: 721 case EIO_NOP:
499 case EIO_BUSY: 722 case EIO_BUSY:
500 break; 723 break;
501 724
502 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
503 if (req->result > 0) 727 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 729 break;
506 730
507 case EIO_STAT: 731 case EIO_STAT:
508 case EIO_LSTAT: 732 case EIO_LSTAT:
509 case EIO_FSTAT: 733 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
511 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
739
513 PUSHs (sv_result); 740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 745 break;
515 746
516 case EIO_READ: 747 case EIO_READ:
517 { 748 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 753 PUSHs (sv_result);
523 } 754 }
524 break; 755 break;
525 756
757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 822 if (req->result > 0)
528 SvIV_set (sv_result, 0); 823 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
530 825
531 default: 826 default:
… …
551 } 846 }
552 847
553 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
554} 849}
555 850
851static void
556static void req_destroy (aio_req req) 852req_destroy (aio_req req)
557{ 853{
558 if (req->self) 854 if (req->self)
559 { 855 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
562 } 858 }
563 859
564 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
567 865
568 Safefree (req); 866 free (req);
569} 867}
570 868
869static void
571static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
572{ 871{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
576 return; 873 return;
577 874
578 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 876 grp->sv2 = 0;
580 877
581 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
582} 879}
583 880
584static void 881static void ecb_cold
585create_respipe (void) 882create_respipe (void)
586{ 883{
587 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
589} 886}
590 887
591static void poll_wait (void) 888static void
889poll_wait (void)
592{ 890{
593 while (eio_nreqs ()) 891 while (eio_nreqs ())
594 { 892 {
595 int size; 893 int size;
596 894
597 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
600 898
601 if (size) 899 if (size)
602 return; 900 return;
603 901
604 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
605 903
606 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
607 } 905 }
608} 906}
609 907
610static int poll_cb (void) 908static int
909poll_cb (void)
611{ 910{
612 for (;;) 911 for (;;)
613 { 912 {
614 int res = eio_poll (); 913 int res = eio_poll ();
615 914
… …
621 920
622 poll_wait (); 921 poll_wait ();
623 } 922 }
624} 923}
625 924
626static void atfork_child (void) 925static void ecb_cold
926reinit (void)
627{ 927{
628 create_respipe (); 928 create_respipe ();
629}
630 929
631/*****************************************************************************/ 930 if (eio_init (want_poll, done_poll) < 0)
632 931 croak ("IO::AIO: unable to initialise eio library");
633#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# define munmap(addr,length) (errno = ENOSYS, -1)
636#endif
637
638#define MMAP_MAGIC PERL_MAGIC_ext
639
640static int
641mmap_free (pTHX_ SV *sv, MAGIC *mg)
642{
643 int old_errno = errno;
644 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
645 errno = old_errno;
646
647 mg->mg_obj = 0; /* just in case */
648
649 SvREADONLY_off (sv);
650
651 if (SvPVX (sv) != mg->mg_ptr)
652 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
653
654 SvCUR_set (sv, 0);
655 SvPVX (sv) = 0;
656 SvOK_off (sv);
657
658 return 0;
659} 932}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 933
665/*****************************************************************************/ 934/*****************************************************************************/
666 935
667static SV * 936static SV *
668get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
669{ 938{
670 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 941}
673 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
674#define dREQ \ 963#define dREQ \
675 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
676 aio_req req; \
677 int req_pri = next_pri; \
678 next_pri = EIO_PRI_DEFAULT; \
679 \
680 cb_cv = get_cb (callback); \
681 \
682 Newz (0, req, 1, eio_req); \
683 if (!req) \
684 croak ("out of memory during eio_req allocation"); \
685 \
686 req->callback = SvREFCNT_inc (cb_cv); \
687 req->pri = req_pri
688 965
689#define REQ_SEND \ 966#define REQ_SEND \
690 PUTBACK; \ 967 PUTBACK; \
691 req_submit (req); \ 968 req_submit (req); \
692 SPAGAIN; \ 969 SPAGAIN; \
693 \ 970 \
694 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
696 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
697MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
698 1058
699PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
700 1060
701BOOT: 1061BOOT:
… …
705 IV iv; 1065 IV iv;
706 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1068# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
710 const_iv (EXDEV) 1074 const_iv (EXDEV)
711 const_iv (ENOSYS) 1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
712 const_iv (O_RDONLY) 1097 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1098 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1099 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1100 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1101 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1102 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1103 const_iv (O_APPEND)
719#ifndef _WIN32 1104
1105 const_iv (O_ASYNC)
1106 const_iv (O_DIRECT)
1107 const_iv (O_NOATIME)
1108
1109 const_iv (O_CLOEXEC)
1110 const_iv (O_NOCTTY)
1111 const_iv (O_NOFOLLOW)
1112 const_iv (O_NONBLOCK)
1113 const_iv (O_EXEC)
1114 const_iv (O_SEARCH)
1115 const_iv (O_DIRECTORY)
1116 const_iv (O_DSYNC)
1117 const_iv (O_RSYNC)
1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
1121 const_iv (O_TTY_INIT)
1122
720 const_iv (S_IFIFO) 1123 const_iv (S_IFIFO)
721#endif 1124 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1125 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1126 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1127 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1128 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1129 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1130 const_iv (S_IFSOCK)
728 1131 const_iv (S_IFMT)
729 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
730 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
731 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
732 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
733 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
734 1132
735 const_iv (ST_RDONLY) 1133 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1134 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1135 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1136 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1141 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1142 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1143 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1144 const_iv (ST_RELATIME)
747 1145
1146 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1147 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1148 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1149 const_iv (PROT_WRITE)
752 1150
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1151 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1154 const_iv (MAP_ANONYMOUS)
757 1155
758 /* linuxish */ 1156 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1157 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1158 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1159 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
764 1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
1275
765 const_iv (MCL_FUTURE) 1276 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
767 1279
768 const_eio (MS_ASYNC) 1280 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1281 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1282 const_eio (MS_SYNC)
771 1283
772 const_eio (MT_MODIFY) 1284 const_eio (MT_MODIFY)
773 1285
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1287 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1288 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1289
1290 const_eio (FALLOC_FL_KEEP_SIZE)
1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
777 1300
778 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1315 };
793 1316
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1321
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
799 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1324
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1326
803 create_respipe (); 1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
804 1330
805 if (eio_init (want_poll, done_poll) < 0) 1331 if (
806 croak ("IO::AIO: unable to initialise eio library"); 1332#ifdef _WIN32
1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
807 1341
808 /* atfork child called in fifo order, so before eio's handler */ 1342 close_fd = pipefd [0];
809 X_THREAD_ATFORK (0, 0, atfork_child); 1343 }
810}
811 1344
1345 reinit ();
1346}
1347
812void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
813max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1354 PROTOTYPE: $
815 CODE: 1355 CODE:
816 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
817 1357
818void 1358void
… …
820 PROTOTYPE: $ 1360 PROTOTYPE: $
821 CODE: 1361 CODE:
822 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
823 1363
824void 1364void
825min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1366 PROTOTYPE: $
827 CODE: 1367 CODE:
828 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
829 1369
830void 1370void
831max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1372 PROTOTYPE: $
833 CODE: 1373 CODE:
834 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
835 1375
836void 1376void
837max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1378 PROTOTYPE: $
839 CODE: 1379 CODE:
840 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
841 1381
842void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
843max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1390 PROTOTYPE: $
845 CODE: 1391 CODE:
846 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
847 1393
848void 1394void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1396 PPCODE:
852{ 1397{
853 dREQ; 1398 dREQ;
854 1399
1400 req->type = EIO_WD_OPEN;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1404}
1405
1406void
1407aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1408 PPCODE:
1409{
1410 dREQ;
1411
855 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1414 req->int1 = flags;
859 req->int2 = mode; 1415 req->int2 = mode;
860 1416
861 REQ_SEND; 1417 REQ_SEND;
862} 1418}
863 1419
864void 1420void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1422 ALIAS:
868 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1426 PPCODE:
871{ 1427{
872 int fd = s_fileno_croak (fh, 0); 1428 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1429 dREQ;
874 1430
875 req->type = ix; 1431 req->type = ix;
876 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1433 req->int1 = fd;
878 1434
879 REQ_SEND (req); 1435 REQ_SEND;
880} 1436}
881 1437
882void 1438void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1440 PPCODE:
886{ 1441{
887 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1443 dREQ;
889 1444
890 req->type = EIO_SYNC_FILE_RANGE; 1445 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1446 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1447 req->int1 = fd;
893 req->offs = offset; 1448 req->offs = offset;
894 req->size = nbytes; 1449 req->size = nbytes;
895 req->int2 = flags; 1450 req->int2 = flags;
896 1451
897 REQ_SEND (req); 1452 REQ_SEND;
898} 1453}
899 1454
900void 1455void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1457 PPCODE:
904{ 1458{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1459 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1460 dREQ;
908 1461
909 if (close_pipe < 0) 1462 req->type = EIO_FALLOCATE;
910 { 1463 req->sv1 = newSVsv (fh);
911 int pipefd [2]; 1464 req->int1 = fd;
1465 req->int2 = mode;
1466 req->offs = offset;
1467 req->size = len;
912 1468
913 if (pipe (pipefd) < 0 1469 REQ_SEND;
914 || close (pipefd [1]) < 0 1470}
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
916 abort (); /*D*/
917 1471
918 close_pipe = pipefd [0]; 1472void
919 } 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE:
1475{
1476 int fd = s_fileno_croak (fh, 0);
1477 dREQ;
920 1478
921 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1480 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1482 req->int2 = fd;
925 1483
926 REQ_SEND (req); 1484 REQ_SEND;
927} 1485}
928 1486
929void 1487void
1488aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1489 PPCODE:
1490{
1491 int fd = s_fileno_croak (fh, 0);
1492 dREQ;
1493
1494 req->type = EIO_SEEK;
1495 req->sv1 = newSVsv (fh);
1496 req->int1 = fd;
1497 req->offs = SvVAL64 (offset);
1498 req->int2 = whence;
1499
1500 REQ_SEND;
1501}
1502
1503void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1504aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1505 ALIAS:
932 aio_read = EIO_READ 1506 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1508 PPCODE:
936{ 1509{
937 STRLEN svlen; 1510 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1511 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1512 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
953 } 1526 }
954 else 1527 else
955 { 1528 {
956 /* read: check type and grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1531 svptr = sv_grow (data, len + dataoffset + 1);
1532 else if (SvCUR (data) < len + dataoffset)
1533 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1534 }
960 1535
961 { 1536 {
962 dREQ; 1537 dREQ;
963 1538
… …
979 REQ_SEND; 1554 REQ_SEND;
980 } 1555 }
981} 1556}
982 1557
983void 1558void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
986 PPCODE: 1563 PPCODE:
987{ 1564{
988 SV *data; 1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1600 ALIAS:
1601 aio_readlink = EIO_READLINK
1602 aio_realpath = EIO_REALPATH
1603 PPCODE:
1604{
989 dREQ; 1605 dREQ;
990 1606
991 req->type = EIO_READLINK; 1607 req->type = ix;
992 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1609
995 REQ_SEND; 1610 REQ_SEND;
996} 1611}
997 1612
998void 1613void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1614aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1615 PPCODE:
1002{ 1616{
1003 int ifd = s_fileno_croak (in_fh , 0); 1617 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1618 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1619 dREQ;
1006 1620
1007 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1623 req->int1 = ofd;
… …
1014 1628
1015 REQ_SEND; 1629 REQ_SEND;
1016} 1630}
1017 1631
1018void 1632void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1634 PPCODE:
1022{ 1635{
1023 int fd = s_fileno_croak (fh, 0); 1636 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1637 dREQ;
1025 1638
1026 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1641 req->int1 = fd;
… …
1031 1644
1032 REQ_SEND; 1645 REQ_SEND;
1033} 1646}
1034 1647
1035void 1648void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1650 ALIAS:
1038 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1653 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1654 PPCODE:
1042{ 1655{
1043 dREQ; 1656 dREQ;
1044 1657
1045 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1046
1047 if (SvPOK (req->sv1))
1048 {
1049 req->type = ix;
1050 req->ptr1 = SvPVbyte_nolen (req->sv1);
1051 }
1052 else
1053 {
1054 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1055 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1056 }
1057 1659
1058 REQ_SEND; 1660 REQ_SEND;
1059} 1661}
1060 1662
1061void 1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1696
1697UV
1698major (UV dev)
1699 ALIAS:
1700 minor = 1
1701 CODE:
1702 RETVAL = ix ? minor (dev) : major (dev);
1703 OUTPUT:
1704 RETVAL
1705
1706UV
1707makedev (UV maj, UV min)
1708 CODE:
1709 RETVAL = makedev (maj, min);
1710 OUTPUT:
1711 RETVAL
1712
1713void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1714aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1715 PPCODE:
1064{ 1716{
1065 dREQ; 1717 dREQ;
1066 1718
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1070
1071 if (SvPOK (req->sv1))
1072 {
1073 req->type = EIO_UTIME;
1074 req->ptr1 = SvPVbyte_nolen (req->sv1);
1075 }
1076 else
1077 {
1078 req->type = EIO_FUTIME;
1079 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1080 }
1081 1722
1082 REQ_SEND; 1723 REQ_SEND;
1083} 1724}
1084 1725
1085void 1726void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1727aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1728 PPCODE:
1088{ 1729{
1089 dREQ; 1730 dREQ;
1090 1731
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1094 if (SvPOK (req->sv1))
1095 {
1096 req->type = EIO_TRUNCATE;
1097 req->ptr1 = SvPVbyte_nolen (req->sv1);
1098 }
1099 else
1100 {
1101 req->type = EIO_FTRUNCATE;
1102 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1103 }
1104 1734
1105 REQ_SEND; 1735 REQ_SEND;
1106} 1736}
1107 1737
1108void 1738void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1739aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1110 ALIAS:
1111 aio_chmod = EIO_CHMOD
1112 aio_mkdir = EIO_MKDIR
1113 PPCODE: 1740 PPCODE:
1114{ 1741{
1115 dREQ; 1742 dREQ;
1116 1743
1117 req->int2 = mode; 1744 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1119
1120 if (SvPOK (req->sv1))
1121 {
1122 req->type = ix;
1123 req->ptr1 = SvPVbyte_nolen (req->sv1);
1124 }
1125 else
1126 {
1127 req->type = EIO_FCHMOD;
1128 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1129 }
1130 1746
1131 REQ_SEND; 1747 REQ_SEND;
1132} 1748}
1133 1749
1134void 1750void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1751aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1752 PPCODE:
1137{ 1753{
1138 dREQ; 1754 dREQ;
1139 1755
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1143
1144 if (SvPOK (req->sv1))
1145 {
1146 req->type = EIO_CHOWN;
1147 req->ptr1 = SvPVbyte_nolen (req->sv1);
1148 }
1149 else
1150 {
1151 req->type = EIO_FCHOWN;
1152 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1153 }
1154 1759
1155 REQ_SEND; 1760 REQ_SEND;
1156} 1761}
1157 1762
1158void 1763void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1765 PPCODE:
1161{ 1766{
1162 dREQ; 1767 dREQ;
1163 1768
1164 req->type = EIO_READDIR; 1769 req->type = EIO_READDIR;
1165 req->sv1 = newSVsv (pathname);
1166 req->ptr1 = SvPVbyte_nolen (req->sv1);
1167 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1771
1169 if (flags & EIO_READDIR_DENTS) 1772 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1773 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1774
1775 req_set_path1 (req, pathname);
1776
1172 REQ_SEND; 1777 REQ_SEND;
1173} 1778}
1174 1779
1175void 1780void
1781aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1782 PPCODE:
1783{
1784 dREQ;
1785
1786 req->type = EIO_MKDIR;
1787 req->int2 = mode;
1788 req_set_path1 (req, pathname);
1789
1790 REQ_SEND;
1791}
1792
1793void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1795 ALIAS:
1178 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
1181 PPCODE: 1799 PPCODE:
1182{ 1800{
1183 dREQ; 1801 dREQ;
1184 1802
1185 req->type = ix; 1803 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1805
1189 REQ_SEND; 1806 REQ_SEND;
1190} 1807}
1191 1808
1192void 1809void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1811 ALIAS:
1195 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
1198 PPCODE: 1815 PPCODE:
1199{ 1816{
1817 eio_wd wd2 = 0;
1200 dREQ; 1818 dREQ;
1201 1819
1202 req->type = ix; 1820 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1824
1208 REQ_SEND; 1825 REQ_SEND;
1209} 1826}
1210 1827
1211void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1846 PPCODE:
1214{ 1847{
1215 dREQ; 1848 dREQ;
1216 1849
1217 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
1222 1854
1223 REQ_SEND; 1855 REQ_SEND;
1224} 1856}
1225 1857
1226void 1858void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1860 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1861 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1862 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1863 PPCODE:
1233{ 1864{
1234 STRLEN svlen; 1865 STRLEN svlen;
1866 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1867 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1871
1238 if (offset < 0) 1872 if (offset < 0)
1239 offset += svlen; 1873 offset += svlen;
1240 1874
1241 if (offset < 0 || offset > svlen) 1875 if (offset < 0 || offset > svlen)
… …
1246 1880
1247 { 1881 {
1248 dREQ; 1882 dREQ;
1249 1883
1250 req->type = ix; 1884 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1885 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1886 req->ptr2 = (char *)svptr + offset;
1887 req->size = len;
1254 req->int1 = flags; 1888 req->int1 = flags;
1255 1889
1256 REQ_SEND; 1890 REQ_SEND;
1257 } 1891 }
1258} 1892}
1259 1893
1260void 1894void
1895aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1896 PPCODE:
1897{
1898 STRLEN svlen;
1899 char *svptr = SvPVbyte (data, svlen);
1900 UV len = SvUV (length);
1901
1902 if (offset < 0)
1903 offset += svlen;
1904
1905 if (offset < 0 || offset > svlen)
1906 croak ("offset outside of scalar");
1907
1908 if (!SvOK (length) || len + offset > svlen)
1909 len = svlen - offset;
1910
1911 {
1912 dREQ;
1913
1914 req->type = EIO_MLOCK;
1915 req->sv2 = SvREFCNT_inc (data);
1916 req->ptr2 = (char *)svptr + offset;
1917 req->size = len;
1918
1919 REQ_SEND;
1920 }
1921}
1922
1923void
1924aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1925 PPCODE:
1926{
1927 dREQ;
1928
1929 req->type = EIO_MLOCKALL;
1930 req->int1 = flags;
1931
1932 REQ_SEND;
1933}
1934
1935void
1936aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1937 PPCODE:
1938{
1939 int fd = s_fileno_croak (fh, 0);
1940 dREQ;
1941
1942 req->type = EIO_CUSTOM;
1943 req->sv1 = newSVsv (fh);
1944 req->int1 = fd;
1945
1946 req->feed = fiemap;
1947#if HAVE_FIEMAP
1948 /* keep our fingers crossed that the next two types are 64 bit */
1949 req->offs = start;
1950 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1951 req->int2 = flags;
1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1953#endif
1954
1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1994}
1995
1996void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1998 PPCODE:
1263{ 1999{
1264 dREQ; 2000 dREQ;
1265 2001
1266 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
1268 2004
1269 REQ_SEND; 2005 REQ_SEND;
1270} 2006}
1271 2007
1272void 2008void
1273aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 2010 PPCODE:
1276{ 2011{
1277 dREQ; 2012 dREQ;
1278 2013
1279 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
1280 2015
2016 PUTBACK;
1281 req_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
1282 XPUSHs (req_sv (req, aio_grp_stash)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
1283} 2021}
1284 2022
1285void 2023void
1286aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 2025 ALIAS:
1288 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
1290 PPCODE: 2028 PPCODE:
1291{ 2029{
… …
1295 2033
1296 REQ_SEND; 2034 REQ_SEND;
1297} 2035}
1298 2036
1299int 2037int
1300aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 2039 CODE:
1303 RETVAL = next_pri; 2040 RETVAL = next_pri;
1304 if (items > 0) 2041 if (items > 0)
1305 { 2042 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2055 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 2056 next_pri = nice;
1320 2057
1321void 2058void
1322flush () 2059flush ()
1323 PROTOTYPE:
1324 CODE: 2060 CODE:
1325 while (eio_nreqs ()) 2061 while (eio_nreqs ())
1326 { 2062 {
1327 poll_wait (); 2063 poll_wait ();
1328 poll_cb (); 2064 poll_cb ();
1329 } 2065 }
1330 2066
1331int 2067int
1332poll() 2068poll ()
1333 PROTOTYPE:
1334 CODE: 2069 CODE:
1335 poll_wait (); 2070 poll_wait ();
1336 RETVAL = poll_cb (); 2071 RETVAL = poll_cb ();
1337 OUTPUT: 2072 OUTPUT:
1338 RETVAL 2073 RETVAL
1339 2074
1340int 2075int
1341poll_fileno() 2076poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 2077 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 2078 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 2079 OUTPUT:
1346 RETVAL 2080 RETVAL
1347 2081
1348int 2082int
1349poll_cb(...) 2083poll_cb (...)
1350 PROTOTYPE: 2084 PROTOTYPE:
1351 CODE: 2085 CODE:
1352 RETVAL = poll_cb (); 2086 RETVAL = poll_cb ();
1353 OUTPUT: 2087 OUTPUT:
1354 RETVAL 2088 RETVAL
1355 2089
1356void 2090void
1357poll_wait() 2091poll_wait ()
1358 PROTOTYPE:
1359 CODE: 2092 CODE:
1360 poll_wait (); 2093 poll_wait ();
1361 2094
1362int 2095int
1363nreqs() 2096nreqs ()
1364 PROTOTYPE:
1365 CODE: 2097 CODE:
1366 RETVAL = eio_nreqs (); 2098 RETVAL = eio_nreqs ();
1367 OUTPUT: 2099 OUTPUT:
1368 RETVAL 2100 RETVAL
1369 2101
1370int 2102int
1371nready() 2103nready ()
1372 PROTOTYPE:
1373 CODE: 2104 CODE:
1374 RETVAL = eio_nready (); 2105 RETVAL = eio_nready ();
1375 OUTPUT: 2106 OUTPUT:
1376 RETVAL 2107 RETVAL
1377 2108
1378int 2109int
1379npending() 2110npending ()
1380 PROTOTYPE:
1381 CODE: 2111 CODE:
1382 RETVAL = eio_npending (); 2112 RETVAL = eio_npending ();
1383 OUTPUT: 2113 OUTPUT:
1384 RETVAL 2114 RETVAL
1385 2115
1386int 2116int
1387nthreads() 2117nthreads ()
1388 PROTOTYPE:
1389 CODE: 2118 CODE:
1390 RETVAL = eio_nthreads (); 2119 RETVAL = eio_nthreads ();
1391 OUTPUT: 2120 OUTPUT:
1392 RETVAL 2121 RETVAL
1393 2122
1394int 2123int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2124fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2125 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2126 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2127 OUTPUT:
1400 RETVAL 2128 RETVAL
1401 2129
1402ssize_t 2130IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2132 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2133 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2134 OUTPUT:
1408 RETVAL 2135 RETVAL
1409 2136
1410void 2137void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2139 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2140 sv_clear_foreign (scalar);
1415{ 2141{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2144 if (addr == (void *)-1)
1419 XSRETURN_NO; 2145 XSRETURN_NO;
1420 2146
1421 sv_force_normal (scalar); 2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2148
1429 if (!(prot & PROT_WRITE)) 2149 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2150 SvREADONLY_on (scalar);
1431 2151
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2152 XSRETURN_YES;
1441} 2153}
1442 2154
1443void 2155void
1444munmap (SV *scalar) 2156munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2157 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2158 sv_clear_foreign (scalar);
1448 2159
1449int 2160SV *
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1451 PROTOTYPE: $$$$ 2162 CODE:
1452 CODE:
1453{ 2163{
1454 char *addr = SvPV_nolen (scalar) + offset; 2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
1455 2166
1456 if (!SvOK (ST (2))) 2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1457 length = SvCUR (scalar) - offset; 2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1458 2169
1459 if (addr >= SvEND (scalar) || length <= 0) 2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1460 XSRETURN_EMPTY;
1461 2171
1462 RETVAL = posix_madvise (addr, length, advice); 2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
1463} 2186}
1464 OUTPUT: 2187 OUTPUT:
1465 RETVAL 2188 RETVAL
1466 2189
1467int 2190int
1468mlockall (int flags) 2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2192 ALIAS:
2193 mprotect = 1
1470 CODE: 2194 CODE:
2195{
2196 STRLEN svlen;
2197 void *addr = SvPVbyte (scalar, svlen);
2198 STRLEN len = SvUV (length);
2199
2200 if (offset < 0)
2201 offset += svlen;
2202
2203 if (offset < 0 || offset > svlen)
2204 croak ("offset outside of scalar");
2205
2206 if (!SvOK (length) || len + offset > svlen)
2207 len = svlen - offset;
2208
2209 addr = (void *)(((intptr_t)addr) + offset);
2210 eio_page_align (&addr, &len);
2211
2212 switch (ix)
2213 {
2214 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2215 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2223 CODE:
2224{
2225 STRLEN svlen;
2226 void *addr = SvPVbyte (scalar, svlen);
2227 size_t len = SvUV (length);
2228
2229 if (offset < 0)
2230 offset += svlen;
2231
2232 if (offset < 0 || offset > svlen)
2233 croak ("offset outside of scalar");
2234
2235 if (!SvOK (length) || len + offset > svlen)
2236 len = svlen - offset;
2237
2238 addr = (void *)(((intptr_t)addr) + offset);
2239 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2240#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2241 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2242#else
1478 RETVAL = -1; 2243 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2244#endif
2245}
1481 OUTPUT: 2246 OUTPUT:
1482 RETVAL 2247 RETVAL
1483 2248
1484int 2249int
1485munlockall () 2250munlockall ()
1486 PROTOTYPE:
1487 CODE: 2251 CODE:
1488#if _POSIX_MEMLOCK 2252#if _POSIX_MEMLOCK
1489 munlockall (); 2253 munlockall ();
1490#else 2254#else
1491 RETVAL = -1; 2255 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2256#endif
1494 OUTPUT: 2257 OUTPUT:
1495 RETVAL 2258 RETVAL
2259
2260int
2261splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2262 CODE:
2263{
2264#if HAVE_LINUX_SPLICE
2265 loff_t off_in_, off_out_;
2266 RETVAL = splice (
2267 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2268 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2269 length, flags
2270 );
2271#else
2272 RETVAL = EIO_ENOSYS ();
2273#endif
2274}
2275 OUTPUT:
2276 RETVAL
2277
2278int
2279tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2280 CODE:
2281#if HAVE_LINUX_SPLICE
2282 RETVAL = tee (rfh, wfh, length, flags);
2283#else
2284 RETVAL = EIO_ENOSYS ();
2285#endif
2286 OUTPUT:
2287 RETVAL
2288
2289int
2290pipesize (aio_rfd rfh, int new_size = -1)
2291 PROTOTYPE: $;$
2292 CODE:
2293#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2294 if (new_size >= 0)
2295 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2296 else
2297 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2298#else
2299 errno = ENOSYS;
2300 RETVAL = -1;
2301#endif
2302 OUTPUT:
2303 RETVAL
2304
2305void
2306pipe2 (int flags = 0)
2307 PROTOTYPE: ;$
2308 PPCODE:
2309{
2310 int fd[2];
2311 int res;
2312
2313 if (flags)
2314#if HAVE_PIPE2
2315 res = pipe2 (fd, flags);
2316#else
2317 res = (errno = ENOSYS, -1);
2318#endif
2319 else
2320 res = pipe (fd);
2321
2322 if (!res)
2323 {
2324 EXTEND (SP, 2);
2325 PUSHs (newmortalFH (fd[0], O_RDONLY));
2326 PUSHs (newmortalFH (fd[1], O_WRONLY));
2327 }
2328}
2329
2330void
2331eventfd (unsigned int initval = 0, int flags = 0)
2332 PPCODE:
2333{
2334 int fd;
2335#if HAVE_EVENTFD
2336 fd = eventfd (initval, flags);
2337#else
2338 fd = (errno = ENOSYS, -1);
2339#endif
2340
2341 XPUSHs (newmortalFH (fd, O_RDWR));
2342}
2343
2344void
2345timerfd_create (int clockid, int flags = 0)
2346 PPCODE:
2347{
2348 int fd;
2349#if HAVE_TIMERFD
2350 fd = timerfd_create (clockid, flags);
2351#else
2352 fd = (errno = ENOSYS, -1);
2353#endif
2354
2355 XPUSHs (newmortalFH (fd, O_RDWR));
2356}
2357
2358void
2359timerfd_settime (SV *fh, int flags, NV interval, NV value)
2360 PPCODE:
2361{
2362 int fd = s_fileno_croak (fh, 0);
2363#if HAVE_TIMERFD
2364 int res;
2365 struct itimerspec its, ots;
2366
2367 ts_set (&its.it_interval, interval);
2368 ts_set (&its.it_value , value);
2369 res = timerfd_settime (fd, flags, &its, &ots);
2370
2371 if (!res)
2372 {
2373 EXTEND (SP, 2);
2374 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2375 PUSHs (newSVnv (ts_get (&ots.it_value)));
2376 }
2377#else
2378 errno = ENOSYS;
2379#endif
2380}
2381
2382void
2383timerfd_gettime (SV *fh)
2384 PPCODE:
2385{
2386 int fd = s_fileno_croak (fh, 0);
2387#if HAVE_TIMERFD
2388 int res;
2389 struct itimerspec ots;
2390 res = timerfd_gettime (fd, &ots);
2391
2392 if (!res)
2393 {
2394 EXTEND (SP, 2);
2395 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2396 PUSHs (newSVnv (ts_get (&ots.it_value)));
2397 }
2398#else
2399 errno = ENOSYS;
2400#endif
2401}
2402
2403UV
2404get_fdlimit ()
2405 CODE:
2406#if HAVE_RLIMITS
2407 struct rlimit rl;
2408 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2409 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2410#endif
2411 XSRETURN_UNDEF;
2412 OUTPUT:
2413 RETVAL
2414
2415void
2416min_fdlimit (UV limit = 0x7fffffffU)
2417 CODE:
2418{
2419#if HAVE_RLIMITS
2420 struct rlimit rl;
2421 rlim_t orig_rlim_max;
2422 UV bit;
2423
2424 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2425 goto fail;
2426
2427 if (rl.rlim_cur == RLIM_INFINITY)
2428 XSRETURN_YES;
2429
2430 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2431
2432 if (rl.rlim_cur < limit)
2433 {
2434 rl.rlim_cur = limit;
2435
2436 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2437 rl.rlim_max = rl.rlim_cur;
2438 }
2439
2440 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2441 XSRETURN_YES;
2442
2443 if (errno == EPERM)
2444 {
2445 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2446 /* our limit overflows a system-wide limit */
2447 /* try an adaptive algorithm, but do not lower the hardlimit */
2448 rl.rlim_max = 0;
2449 for (bit = 0x40000000U; bit; bit >>= 1)
2450 {
2451 rl.rlim_max |= bit;
2452 rl.rlim_cur = rl.rlim_max;
2453
2454 /* nevr decrease the hard limit */
2455 if (rl.rlim_max < orig_rlim_max)
2456 break;
2457
2458 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2459 rl.rlim_max &= ~bit; /* too high, remove bit again */
2460 }
2461
2462 /* now, raise the soft limit to the max permitted */
2463 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2464 {
2465 rl.rlim_cur = rl.rlim_max;
2466 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2467 errno = EPERM;
2468 }
2469 }
2470#endif
2471 fail:
2472 XSRETURN_UNDEF;
2473}
1496 2474
1497void _on_next_submit (SV *cb) 2475void _on_next_submit (SV *cb)
1498 CODE: 2476 CODE:
1499 SvREFCNT_dec (on_next_submit); 2477 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2478 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2479
1502PROTOTYPES: DISABLE 2480PROTOTYPES: DISABLE
1503 2481
2482MODULE = IO::AIO PACKAGE = IO::AIO::WD
2483
2484BOOT:
2485{
2486 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2487 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2488}
2489
2490void
2491DESTROY (SV *self)
2492 CODE:
2493{
2494 aio_wd wd = SvAIO_WD (self);
2495#if HAVE_AT
2496 {
2497 SV *callback = &PL_sv_undef;
2498 dREQ; /* clobbers next_pri :/ */
2499 next_pri = req->pri; /* restore next_pri */
2500 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2501 req->type = EIO_WD_CLOSE;
2502 req->wd = wd;
2503 REQ_SEND;
2504 }
2505#else
2506 eio_wd_close_sync (wd);
2507#endif
2508}
2509
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2510MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2511
1506void 2512void
1507cancel (aio_req_ornot req) 2513cancel (aio_req_ornot req)
1508 CODE: 2514 CODE:
1509 eio_cancel (req); 2515 eio_cancel (req);
1510 2516
1511void 2517void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2518cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2519 PPCODE:
1514{ 2520{
1515 if (GIMME_V != G_VOID) 2521 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2522 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2523
1518 if (items > 1) 2524 if (items > 1)
1519 { 2525 {
1520 SV *cb_cv =get_cb (callback); 2526 SV *cb_cv = get_cb (callback);
1521 2527
1522 SvREFCNT_dec (req->callback); 2528 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2529 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2530 }
1525} 2531}
… …
1582limit (aio_req grp, int limit) 2588limit (aio_req grp, int limit)
1583 CODE: 2589 CODE:
1584 eio_grp_limit (grp, limit); 2590 eio_grp_limit (grp, limit);
1585 2591
1586void 2592void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2593feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2594 CODE:
1589{ 2595{
1590 SvREFCNT_dec (grp->sv2); 2596 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2597 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2598 grp->feed = aio_grp_feed;

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