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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 1.259 by root, Sun Jul 22 20:39:19 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>
15#include <sys/stat.h> 17#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 18#include <limits.h>
18#include <fcntl.h> 19#include <fcntl.h>
19#include <sched.h> 20#include <sched.h>
20 21
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 22#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 23# include <sys/mman.h>
24#endif
25
26/* the incompetent fool that created musl keeps __linux__, refuses
27 * to implement any linux standard apis, and also has no way to test
28 * for his broken iplementation. don't complain to me if this fails
29 * for you.
30 */
31#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
32# include <linux/fs.h>
33# ifdef FS_IOC_FIEMAP
34# include <linux/types.h>
35# include <linux/fiemap.h>
36# define HAVE_FIEMAP 1
37# endif
23#endif 38#endif
24 39
25/* perl namespace pollution */ 40/* perl namespace pollution */
26#undef VERSION 41#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 42
77/* perl stupidly overrides readdir and maybe others */ 43/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 44/* with thread-unsafe versions, imagine that :( */
79#undef readdir 45#undef readdir
80#undef opendir 46#undef opendir
81#undef closedir 47#undef closedir
82 48
49#ifdef _WIN32
50
51 // perl overrides all those nice libc functions
52
53 #undef malloc
54 #undef free
55 #undef open
56 #undef read
57 #undef write
58 #undef send
59 #undef recv
60 #undef stat
61 #undef lstat
62 #undef fstat
63 #undef truncate
64 #undef ftruncate
65 #undef open
66 #undef link
67 #undef close
68 #undef unlink
69 #undef mkdir
70 #undef rmdir
71 #undef rename
72 #undef lseek
73 #undef opendir
74 #undef readdir
75 #undef closedir
76 #undef chmod
77 #undef fchmod
78 #undef dup
79 #undef dup2
80 #undef abort
81 #undef pipe
82
83 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 84 #define EIO_STRUCT_STATI64
84 85
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 86#else
91# define VAL64 NV 87
92# define SvVAL64 SvNV 88 #include <sys/time.h>
93# define newSVval64 newSVnv 89 #include <sys/select.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
94#endif 96#endif
95 97
96/*****************************************************************************/ 98/*****************************************************************************/
97 99
98#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
111#include "libeio/config.h"
112
113#include "schmorp.h"
114
115#if HAVE_EVENTFD
116# include <sys/eventfd.h>
117#endif
118
119#if HAVE_TIMERFD
120# include <sys/timerfd.h>
121#endif
122
123#if HAVE_RLIMITS
124 #include <sys/time.h>
125 #include <sys/resource.h>
126#endif
127
109typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 129typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 130typedef int aio_wfd; /* write file descriptor */
112 131
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 133
115#define EIO_REQ_MEMBERS \ 134#define EIO_REQ_MEMBERS \
116 SV *callback; \ 135 SV *callback; \
117 SV *sv1, *sv2; \ 136 SV *sv1, *sv2; \
137 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 138 STRLEN stroffset; \
119 SV *self; 139 SV *self;
120 140
121#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
122 142
123#include "libeio/eio.h" 143#include "libeio/eio.h"
124 144
125#ifndef POSIX_FADV_NORMAL 145static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 146#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 147static void req_destroy (eio_req *grp);
128#endif 148#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
144 149
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 150#include "libeio/eio.c"
151
152#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 153# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 154#endif
148 155
149#ifndef POSIX_MADV_NORMAL 156#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 */ 157# 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 158#endif
207 159
208#ifndef MAP_ANONYMOUS 160#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 161# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 162# define MAP_ANONYMOUS MAP_ANON
211# else 163# else
212# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
213# endif 165# endif
214#endif 166#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
230 167
231#ifndef PAGESIZE 168/* defines all sorts of constants to 0 unless they are already defined */
169/* also provides const_iv_ and const_niv_ macros for them */
170#include "def0.h"
171
172#ifndef makedev
173# define makedev(maj,min) (((maj) << 8) | (min))
174#endif
175#ifndef major
176# define major(dev) ((dev) >> 8)
177#endif
178#ifndef minor
179# define minor(dev) ((dev) & 0xff)
180#endif
181
182#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 183# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 184#endif
234 185
235static int req_invoke (eio_req *req); 186/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 187
237static void req_destroy (eio_req *grp); 188#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 189# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
190# define munmap(addr,length) EIO_ENOSYS ()
191#endif
192
193#if !_POSIX_MEMORY_PROTECTION
194# define mprotect(addr,len,prot) EIO_ENOSYS ()
195#endif
196
197#if !MREMAP_MAYMOVE
198# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
199#endif
200
201#define FOREIGN_MAGIC PERL_MAGIC_ext
202
203static int ecb_cold
204mmap_free (pTHX_ SV *sv, MAGIC *mg)
205{
206 int old_errno = errno;
207 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
208 errno = old_errno;
209
210 mg->mg_obj = 0; /* just in case */
211
212 SvREADONLY_off (sv);
213
214 if (SvPVX (sv) != mg->mg_ptr)
215 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
216
217 SvCUR_set (sv, 0);
218 SvPVX (sv) = 0;
219 SvOK_off (sv);
220
221 return 0;
222}
223
224static MGVTBL mmap_vtbl = {
225 0, 0, 0, 0, mmap_free
226};
227
228static int ecb_cold
229sysfree_free (pTHX_ SV *sv, MAGIC *mg)
230{
231 free (mg->mg_ptr);
232 mg->mg_obj = 0; /* just in case */
233
234 SvREADONLY_off (sv);
235
236 if (SvPVX (sv) != mg->mg_ptr)
237 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
238
239 SvCUR_set (sv, 0);
240 SvPVX (sv) = 0;
241 SvOK_off (sv);
242
243 return 0;
244}
245
246static MGVTBL sysfree_vtbl = {
247 0, 0, 0, 0, sysfree_free
248};
249
250/*****************************************************************************/
251
252/* helper: set scalar to foreign ptr with custom free */
253static void
254sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
255{
256 sv_force_normal (sv);
257
258 /* we store the length in mg_obj, as namlen is I32 :/ */
259 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
260 ->mg_obj = (SV *)length;
261
262 SvUPGRADE (sv, SVt_PV); /* nop... */
263
264 if (SvLEN (sv))
265 Safefree (SvPVX (sv));
266
267 SvPVX (sv) = (char *)addr;
268 SvCUR_set (sv, length);
269 SvLEN_set (sv, 0);
270 SvPOK_only (sv);
271}
272
273static void
274sv_clear_foreign (SV *sv)
275{
276 /* todo: iterate over magic and only free ours, but of course */
277 /* the perl5porters will call that (correct) behaviour buggy */
278 sv_unmagic (sv, FOREIGN_MAGIC);
279}
280
281/*****************************************************************************/
282
283static void
284fiemap (eio_req *req)
285{
286 req->result = -1;
287
288#if HAVE_FIEMAP
289 /* assume some c99 */
290 struct fiemap *fiemap = 0;
291 size_t end_offset;
292 int count = req->int3;
293
294 req->flags |= EIO_FLAG_PTR1_FREE;
295
296 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
297 /* increase in 3.5kb steps */
298 if (count < 0)
299 count = 8;
300
301 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
302 errno = ENOMEM;
303 if (!fiemap)
304 return;
305
306 req->ptr1 = fiemap;
307
308 fiemap->fm_start = req->offs;
309 fiemap->fm_length = req->size;
310 fiemap->fm_flags = req->int2;
311 fiemap->fm_extent_count = count;
312
313 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
314 return;
315
316 if (req->int3 >= 0 /* not autosizing */
317 || !fiemap->fm_mapped_extents /* no more extents */
318 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
319 goto done;
320
321 /* else we have to loop -
322 * it would be tempting (actually I tried that first) to just query the
323 * number of extents needed, but linux often feels like not returning all
324 * extents, without telling us it left any out. this complicates
325 * this quite a bit.
326 */
327
328 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
329
330 for (;;)
331 {
332 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
333 char scratch[3072];
334 struct fiemap *incmap = (struct fiemap *)scratch;
335
336 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
337 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
338 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
339 incmap->fm_flags = fiemap->fm_flags;
340 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
341
342 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
343 return;
344
345 if (!incmap->fm_mapped_extents)
346 goto done;
347
348 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
349 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
350 errno = ENOMEM;
351 if (!fiemap)
352 return;
353
354 req->ptr1 = fiemap;
355
356 for (count = 0; count < incmap->fm_mapped_extents; ++count)
357 {
358 struct fiemap_extent *e = incmap->fm_extents + count;
359
360 if (e->fe_logical + e->fe_length >= end_offset)
361 goto done;
362
363 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
364
365 if (e->fe_flags & FIEMAP_EXTENT_LAST)
366 goto done;
367
368 }
369 }
370
371done:
372 req->result = 0;
373
374#else
375 errno = ENOSYS;
376#endif
377}
378
379/*****************************************************************************/
239 380
240enum { 381enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 382 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 383};
243 384
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 385typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 386typedef eio_req *aio_req_ornot;
387typedef eio_wd aio_wd;
248 388
249static SV *on_next_submit; 389static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 390static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 391static int max_outstanding;
252 392
253static s_epipe respipe; 393static s_epipe respipe;
254 394
255static void req_destroy (aio_req req); 395static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 396static void req_cancel (aio_req req);
257 397
258static void want_poll (void) 398static void
399want_poll (void)
259{ 400{
260 /* write a dummy byte to the pipe so fh becomes ready */ 401 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 402 s_epipe_signal (&respipe);
262} 403}
263 404
264static void done_poll (void) 405static void
406done_poll (void)
265{ 407{
266 /* read any signals sent by the worker threads */ 408 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 409 s_epipe_drain (&respipe);
268} 410}
269 411
270/* must be called at most once */ 412/* must be called at most once */
413static SV *
271static SV *req_sv (aio_req req, HV *stash) 414req_sv (aio_req req, HV *stash)
272{ 415{
273 if (!req->self) 416 if (!req->self)
274 { 417 {
275 req->self = (SV *)newHV (); 418 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 419 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 420 }
278 421
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 422 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 423}
281 424
282static aio_req SvAIO_REQ (SV *sv) 425static SV *
426newSVaio_wd (aio_wd wd)
427{
428 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
429}
430
431static aio_req
432SvAIO_REQ (SV *sv)
283{ 433{
284 MAGIC *mg; 434 MAGIC *mg;
285 435
286 if (!SvROK (sv) 436 if (!SvROK (sv)
437 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 438 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 439 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 440 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 441 croak ("object of class IO::AIO::REQ expected");
291 442
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 443 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 444
294 return mg ? (aio_req)mg->mg_ptr : 0; 445 return mg ? (aio_req)mg->mg_ptr : 0;
295} 446}
296 447
448static aio_wd
449SvAIO_WD (SV *sv)
450{
451 if (!SvROK (sv)
452 || SvTYPE (SvRV (sv)) != SVt_PVMG
453 || SvSTASH (SvRV (sv)) != aio_wd_stash)
454 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
455
456 return (aio_wd)(long)SvIVX (SvRV (sv));
457}
458
459static SV *
460newmortalFH (int fd, int flags)
461{
462 if (fd < 0)
463 return &PL_sv_undef;
464
465 GV *gv = (GV *)sv_newmortal ();
466 char sym[64];
467 int symlen;
468
469 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
470 gv_init (gv, aio_stash, sym, symlen, 0);
471
472 symlen = snprintf (
473 sym,
474 sizeof (sym),
475 "%s&=%d",
476 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
477 fd
478 );
479
480 return do_open (gv, sym, symlen, 0, 0, 0, 0)
481 ? (SV *)gv : &PL_sv_undef;
482}
483
484static void
297static void aio_grp_feed (aio_req grp) 485aio_grp_feed (aio_req grp)
298{ 486{
299 if (grp->sv2 && SvOK (grp->sv2)) 487 if (grp->sv2 && SvOK (grp->sv2))
300 { 488 {
301 dSP; 489 dSP;
302 490
… …
310 FREETMPS; 498 FREETMPS;
311 LEAVE; 499 LEAVE;
312 } 500 }
313} 501}
314 502
503static void
315static void req_submit (eio_req *req) 504req_submit (eio_req *req)
316{ 505{
317 eio_submit (req); 506 eio_submit (req);
318 507
319 if (expect_false (on_next_submit)) 508 if (expect_false (on_next_submit))
320 { 509 {
… …
327 PUTBACK; 516 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 517 call_sv (cb, G_DISCARD | G_EVAL);
329 } 518 }
330} 519}
331 520
521static int
332static int req_invoke (eio_req *req) 522req_invoke (eio_req *req)
333{ 523{
334 if (req->flags & FLAG_SV2_RO_OFF) 524 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 525 SvREADONLY_off (req->sv2);
336 526
337 if (!EIO_CANCELLED (req) && req->callback) 527 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 538 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 539 if (expect_true (sv_result_cache))
350 { 540 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 541 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 542 SvIV_set (sv_result, req->result);
543 SvIOK_only (sv_result);
353 } 544 }
354 else 545 else
355 { 546 {
356 sv_result = newSViv (req->result); 547 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 548 SvREADONLY_on (sv_result);
358 } 549 }
359 550
360 switch (req->type) 551 switch (req->type)
361 { 552 {
553 case EIO_WD_OPEN:
554 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
555 break;
556
362 case EIO_READDIR: 557 case EIO_READDIR:
363 { 558 {
364 SV *rv = &PL_sv_undef; 559 SV *rv = &PL_sv_undef;
365 560
366 if (req->result >= 0) 561 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 614 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 615 }
421 break; 616 break;
422 617
423 case EIO_OPEN: 618 case EIO_OPEN:
424 { 619 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; 620 break;
453 621
454 case EIO_STATVFS: 622 case EIO_STATVFS:
455 case EIO_FSTATVFS: 623 case EIO_FSTATVFS:
456 { 624 {
457 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
458 626
627#ifndef _WIN32
459 if (req->result >= 0) 628 if (req->result >= 0)
460 { 629 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 630 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 631 HV *hv = newHV ();
632 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
633 * chooses to make it a struct.
634 */
635 unsigned long fsid = 0;
636 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 637
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 638 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 639
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 640 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); 641 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); 643 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); 644 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); 645 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); 646 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); 647 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); 648 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 649 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); 650 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 651 }
652#endif
478 653
479 PUSHs (rv); 654 PUSHs (rv);
480 } 655 }
481 656
482 break; 657 break;
… …
498 case EIO_NOP: 673 case EIO_NOP:
499 case EIO_BUSY: 674 case EIO_BUSY:
500 break; 675 break;
501 676
502 case EIO_READLINK: 677 case EIO_READLINK:
678 case EIO_REALPATH:
503 if (req->result > 0) 679 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 680 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 681 break;
506 682
507 case EIO_STAT: 683 case EIO_STAT:
508 case EIO_LSTAT: 684 case EIO_LSTAT:
509 case EIO_FSTAT: 685 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 686 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
687
511 PL_laststatval = req->result; 688 if (!(PL_laststatval = req->result))
689 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 690 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
691
513 PUSHs (sv_result); 692 PUSHs (sv_result);
693 break;
694
695 case EIO_SEEK:
696 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 697 break;
515 698
516 case EIO_READ: 699 case EIO_READ:
517 { 700 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 701 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 704 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 705 PUSHs (sv_result);
523 } 706 }
524 break; 707 break;
525 708
709 case EIO_SLURP:
710 {
711 if (req->result >= 0)
712 {
713 /* if length was originally not known, we steal the malloc'ed memory */
714 if (req->flags & EIO_FLAG_PTR2_FREE)
715 {
716 req->flags &= ~EIO_FLAG_PTR2_FREE;
717 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
718 }
719 else
720 {
721 SvCUR_set (req->sv2, req->result);
722 *SvEND (req->sv2) = 0;
723 SvPOK_only (req->sv2);
724 }
725
726 SvSETMAGIC (req->sv2);
727 }
728
729 PUSHs (sv_result);
730 }
731 break;
732
733 case EIO_CUSTOM:
734 if (req->feed == fiemap)
735 {
736#if HAVE_FIEMAP
737 if (!req->result)
738 {
739 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
740
741 if (fiemap->fm_extent_count)
742 {
743 AV *av = newAV ();
744 int i;
745
746 while (fiemap->fm_mapped_extents)
747 {
748 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
749 AV *ext_av = newAV ();
750
751 av_store (ext_av, 3, newSVuv (extent->fe_flags));
752 av_store (ext_av, 2, newSVval64 (extent->fe_length));
753 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
754 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
755
756 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
757 }
758
759 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
760 }
761 else
762 {
763 SvIV_set (sv_result, fiemap->fm_mapped_extents);
764 PUSHs (sv_result);
765 }
766 }
767#endif
768 }
769 else
770 PUSHs (sv_result);
771 break;
772
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 773 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 774 if (req->result > 0)
528 SvIV_set (sv_result, 0); 775 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 776 /* FALLTHROUGH */
530 777
531 default: 778 default:
… …
551 } 798 }
552 799
553 return !!SvTRUE (ERRSV); 800 return !!SvTRUE (ERRSV);
554} 801}
555 802
803static void
556static void req_destroy (aio_req req) 804req_destroy (aio_req req)
557{ 805{
558 if (req->self) 806 if (req->self)
559 { 807 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 808 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 809 SvREFCNT_dec (req->self);
562 } 810 }
563 811
564 SvREFCNT_dec (req->sv1); 812 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 813 SvREFCNT_dec (req->sv2);
814 SvREFCNT_dec (req->sv3);
815 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 816 SvREFCNT_dec (req->callback);
567 817
568 Safefree (req); 818 free (req);
569} 819}
570 820
821static void
571static void req_cancel_subs (aio_req grp) 822req_cancel_subs (aio_req grp)
572{ 823{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 824 if (grp->type != EIO_GROUP)
576 return; 825 return;
577 826
578 SvREFCNT_dec (grp->sv2); 827 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 828 grp->sv2 = 0;
580 829
581 eio_grp_cancel (grp); 830 eio_grp_cancel (grp);
582} 831}
583 832
584static void 833static void ecb_cold
585create_respipe (void) 834create_respipe (void)
586{ 835{
587 if (s_epipe_renew (&respipe)) 836 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 837 croak ("IO::AIO: unable to initialize result pipe");
589} 838}
590 839
591static void poll_wait (void) 840static void
841poll_wait (void)
592{ 842{
593 while (eio_nreqs ()) 843 while (eio_nreqs ())
594 { 844 {
595 int size; 845 int size;
596 846
597 X_LOCK (reslock); 847 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 848 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 849 X_UNLOCK (EIO_POOL->reslock);
600 850
601 if (size) 851 if (size)
602 return; 852 return;
603 853
604 etp_maybe_start_thread (); 854 etp_maybe_start_thread (EIO_POOL);
605 855
606 s_epipe_wait (&respipe); 856 s_epipe_wait (&respipe);
607 } 857 }
608} 858}
609 859
610static int poll_cb (void) 860static int
861poll_cb (void)
611{ 862{
612 for (;;) 863 for (;;)
613 { 864 {
614 int res = eio_poll (); 865 int res = eio_poll ();
615 866
… …
621 872
622 poll_wait (); 873 poll_wait ();
623 } 874 }
624} 875}
625 876
626static void atfork_child (void) 877static void ecb_cold
878reinit (void)
627{ 879{
628 create_respipe (); 880 create_respipe ();
629}
630 881
631/*****************************************************************************/ 882 if (eio_init (want_poll, done_poll) < 0)
632 883 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} 884}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 885
665/*****************************************************************************/ 886/*****************************************************************************/
666 887
667static SV * 888static SV *
668get_cb (SV *cb_sv) 889get_cb (SV *cb_sv)
669{ 890{
670 SvGETMAGIC (cb_sv); 891 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 892 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 893}
673 894
895static aio_req ecb_noinline
896dreq (SV *callback)
897{
898 SV *cb_cv;
899 aio_req req;
900 int req_pri = next_pri;
901 next_pri = EIO_PRI_DEFAULT;
902
903 cb_cv = get_cb (callback);
904
905 req = calloc (sizeof (*req), 1);
906 if (!req)
907 croak ("out of memory during eio_req allocation");
908
909 req->callback = SvREFCNT_inc (cb_cv);
910 req->pri = req_pri;
911
912 return req;
913}
914
674#define dREQ \ 915#define dREQ \
675 SV *cb_cv; \ 916 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
688 917
689#define REQ_SEND \ 918#define REQ_SEND \
690 PUTBACK; \ 919 PUTBACK; \
691 req_submit (req); \ 920 req_submit (req); \
692 SPAGAIN; \ 921 SPAGAIN; \
693 \ 922 \
694 if (GIMME_V != G_VOID) \ 923 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 924 XPUSHs (req_sv (req, aio_req_stash));
696 925
926ecb_inline void
927req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
928{
929 if (expect_false (SvROK (path)))
930 {
931 SV *rv = SvRV (path);
932 SV *wdob;
933
934 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
935 {
936 path = AvARRAY (rv)[1];
937 wdob = AvARRAY (rv)[0];
938
939 if (SvOK (wdob))
940 {
941 *wd = SvAIO_WD (wdob);
942 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
943 }
944 else
945 *wd = EIO_INVALID_WD;
946 }
947 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
948 {
949 *wd = (aio_wd)(long)SvIVX (rv);
950 *wdsv = SvREFCNT_inc_NN (rv);
951 *ptr = ".";
952 return; /* path set to "." */
953 }
954 else
955 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
956 }
957
958 *pathsv = newSVsv (path);
959 *ptr = SvPVbyte_nolen (*pathsv);
960}
961
962static void ecb_noinline
963req_set_path1 (aio_req req, SV *path)
964{
965 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
966}
967
968static void ecb_noinline
969req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
970{
971 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
972
973 switch (SvTYPE (rv))
974 {
975 case SVt_PVIO:
976 case SVt_PVLV:
977 case SVt_PVGV:
978 req->type = type_fh;
979 req->sv1 = newSVsv (fh_or_path);
980 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
981 break;
982
983 default:
984 req->type = type_path;
985 req_set_path1 (req, fh_or_path);
986 break;
987 }
988}
989
990/*****************************************************************************/
991
992static void
993ts_set (struct timespec *ts, NV value)
994{
995 ts->tv_sec = value;
996 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
997}
998
999static NV
1000ts_get (const struct timespec *ts)
1001{
1002 return ts->tv_sec + ts->tv_nsec * 1e-9;
1003}
1004
1005/*****************************************************************************/
1006
1007XS(boot_IO__AIO) ecb_cold;
1008
697MODULE = IO::AIO PACKAGE = IO::AIO 1009MODULE = IO::AIO PACKAGE = IO::AIO
698 1010
699PROTOTYPES: ENABLE 1011PROTOTYPES: ENABLE
700 1012
701BOOT: 1013BOOT:
… …
705 IV iv; 1017 IV iv;
706 } *civ, const_iv[] = { 1018 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1019# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1020# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1021# define const_eio(name) { # name, (IV) EIO_ ## name },
1022
1023 /* you have to re-run ./gendef0 after adding/removing any constants here */
1024 /* the first block can be undef if missing */
1025 const_iv (ENOSYS)
710 const_iv (EXDEV) 1026 const_iv (EXDEV)
711 const_iv (ENOSYS) 1027 const_iv (EBADR)
1028
1029 /* for lseek */
1030 const_iv (SEEK_DATA)
1031 const_iv (SEEK_HOLE)
1032
1033 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1034 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1035 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1036 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1037 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1038 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1039
1040 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1041 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1042 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1043 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1044 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1045
1046 /* the second block will be 0 when missing */
1047 const_iv (O_ACCMODE)
1048
712 const_iv (O_RDONLY) 1049 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1050 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1051 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1052 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1053 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1054 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1055 const_iv (O_APPEND)
719#ifndef _WIN32 1056
1057 const_iv (O_ASYNC)
1058 const_iv (O_DIRECT)
1059 const_iv (O_NOATIME)
1060
1061 const_iv (O_CLOEXEC)
1062 const_iv (O_NOCTTY)
1063 const_iv (O_NOFOLLOW)
1064 const_iv (O_NONBLOCK)
1065 const_iv (O_EXEC)
1066 const_iv (O_SEARCH)
1067 const_iv (O_DIRECTORY)
1068 const_iv (O_DSYNC)
1069 const_iv (O_RSYNC)
1070 const_iv (O_SYNC)
1071 const_iv (O_PATH)
1072 const_iv (O_TMPFILE)
1073 const_iv (O_TTY_INIT)
1074
720 const_iv (S_IFIFO) 1075 const_iv (S_IFIFO)
721#endif 1076 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1077 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1078 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1079 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1080 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1081 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1082 const_iv (S_IFSOCK)
728 1083 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 1084
735 const_iv (ST_RDONLY) 1085 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1086 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1087 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1088 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1093 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1094 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1095 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1096 const_iv (ST_RELATIME)
747 1097
1098 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1099 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1100 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1101 const_iv (PROT_WRITE)
752 1102
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1103 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1104 const_iv (MAP_SHARED)
1105 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1106 const_iv (MAP_ANONYMOUS)
757 1107
758 /* linuxish */ 1108 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1109 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1110 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1111 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1112 const_iv (MAP_NONBLOCK)
1113 const_iv (MAP_GROWSDOWN)
1114 const_iv (MAP_32BIT)
1115 const_iv (MAP_HUGETLB)
1116 const_iv (MAP_STACK)
764 1117
1118 const_iv (MREMAP_MAYMOVE)
1119 const_iv (MREMAP_FIXED)
1120
1121 const_iv (F_DUPFD_CLOEXEC)
1122
1123 const_iv (F_OFD_GETLK)
1124 const_iv (F_OFD_SETLK)
1125 const_iv (F_OFD_GETLKW)
1126
1127 const_iv (FIFREEZE)
1128 const_iv (FITHAW)
1129 const_iv (FITRIM)
1130 const_iv (FICLONE)
1131 const_iv (FICLONERANGE)
1132 const_iv (FIDEDUPERANGE)
1133
1134 const_iv (FS_IOC_GETFLAGS)
1135 const_iv (FS_IOC_SETFLAGS)
1136 const_iv (FS_IOC_GETVERSION)
1137 const_iv (FS_IOC_SETVERSION)
1138 const_iv (FS_IOC_FIEMAP)
1139 const_iv (FS_IOC_FSGETXATTR)
1140 const_iv (FS_IOC_FSSETXATTR)
1141 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1142 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1143 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1144
1145 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1146
1147 const_iv (FS_SECRM_FL)
1148 const_iv (FS_UNRM_FL)
1149 const_iv (FS_COMPR_FL)
1150 const_iv (FS_SYNC_FL)
1151 const_iv (FS_IMMUTABLE_FL)
1152 const_iv (FS_APPEND_FL)
1153 const_iv (FS_NODUMP_FL)
1154 const_iv (FS_NOATIME_FL)
1155 const_iv (FS_DIRTY_FL)
1156 const_iv (FS_COMPRBLK_FL)
1157 const_iv (FS_NOCOMP_FL)
1158 const_iv (FS_ENCRYPT_FL)
1159 const_iv (FS_BTREE_FL)
1160 const_iv (FS_INDEX_FL)
1161 const_iv (FS_JOURNAL_DATA_FL)
1162 const_iv (FS_NOTAIL_FL)
1163 const_iv (FS_DIRSYNC_FL)
1164 const_iv (FS_TOPDIR_FL)
1165 const_iv (FS_FL_USER_MODIFIABLE)
1166
1167 const_iv (FS_XFLAG_REALTIME)
1168 const_iv (FS_XFLAG_PREALLOC)
1169 const_iv (FS_XFLAG_IMMUTABLE)
1170 const_iv (FS_XFLAG_APPEND)
1171 const_iv (FS_XFLAG_SYNC)
1172 const_iv (FS_XFLAG_NOATIME)
1173 const_iv (FS_XFLAG_NODUMP)
1174 const_iv (FS_XFLAG_RTINHERIT)
1175 const_iv (FS_XFLAG_PROJINHERIT)
1176 const_iv (FS_XFLAG_NOSYMLINKS)
1177 const_iv (FS_XFLAG_EXTSIZE)
1178 const_iv (FS_XFLAG_EXTSZINHERIT)
1179 const_iv (FS_XFLAG_NODEFRAG)
1180 const_iv (FS_XFLAG_FILESTREAM)
1181 const_iv (FS_XFLAG_DAX)
1182 const_iv (FS_XFLAG_HASATTR)
1183
1184 const_iv (FIEMAP_FLAG_SYNC)
1185 const_iv (FIEMAP_FLAG_XATTR)
1186 const_iv (FIEMAP_FLAGS_COMPAT)
1187 const_iv (FIEMAP_EXTENT_LAST)
1188 const_iv (FIEMAP_EXTENT_UNKNOWN)
1189 const_iv (FIEMAP_EXTENT_DELALLOC)
1190 const_iv (FIEMAP_EXTENT_ENCODED)
1191 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1192 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1193 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1194 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1195 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1196 const_iv (FIEMAP_EXTENT_MERGED)
1197 const_iv (FIEMAP_EXTENT_SHARED)
1198
1199 const_iv (SPLICE_F_MOVE)
1200 const_iv (SPLICE_F_NONBLOCK)
1201 const_iv (SPLICE_F_MORE)
1202 const_iv (SPLICE_F_GIFT)
1203
1204 const_iv (EFD_CLOEXEC)
1205 const_iv (EFD_NONBLOCK)
1206 const_iv (EFD_SEMAPHORE)
1207
1208 const_iv (CLOCK_REALTIME)
1209 const_iv (CLOCK_MONOTONIC)
1210 const_iv (CLOCK_BOOTTIME)
1211 const_iv (CLOCK_REALTIME_ALARM)
1212 const_iv (CLOCK_BOOTTIME_ALARM)
1213
1214 const_iv (TFD_NONBLOCK)
1215 const_iv (TFD_CLOEXEC)
1216
1217 const_iv (TFD_TIMER_ABSTIME)
1218 const_iv (TFD_TIMER_CANCEL_ON_SET)
1219
1220 /* these are libeio constants, and are independent of gendef0 */
1221 const_eio (SEEK_SET)
1222 const_eio (SEEK_CUR)
1223 const_eio (SEEK_END)
1224
765 const_iv (MCL_FUTURE) 1225 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1226 const_eio (MCL_CURRENT)
767 1227
768 const_eio (MS_ASYNC) 1228 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1229 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1230 const_eio (MS_SYNC)
771 1231
772 const_eio (MT_MODIFY) 1232 const_eio (MT_MODIFY)
773 1233
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1234 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1235 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1236 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1237
1238 const_eio (FALLOC_FL_KEEP_SIZE)
1239 const_eio (FALLOC_FL_PUNCH_HOLE)
1240 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1241 const_eio (FALLOC_FL_ZERO_RANGE)
1242 const_eio (FALLOC_FL_INSERT_RANGE)
1243 const_eio (FALLOC_FL_UNSHARE_RANGE)
1244
1245 const_eio (RENAME_NOREPLACE)
1246 const_eio (RENAME_EXCHANGE)
1247 const_eio (RENAME_WHITEOUT)
777 1248
778 const_eio (READDIR_DENTS) 1249 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1250 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1251 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1252 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1263 };
793 1264
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1265 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1266 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1267 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1268 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1269
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1270 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)); 1271 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1272
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1273 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1274
803 create_respipe (); 1275 reinit ();
804
805 if (eio_init (want_poll, done_poll) < 0)
806 croak ("IO::AIO: unable to initialise eio library");
807
808 /* atfork child called in fifo order, so before eio's handler */
809 X_THREAD_ATFORK (0, 0, atfork_child);
810} 1276}
811 1277
812void 1278void
1279reinit ()
1280 PROTOTYPE:
1281
1282void
813max_poll_reqs (int nreqs) 1283max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1284 PROTOTYPE: $
815 CODE: 1285 CODE:
816 eio_set_max_poll_reqs (nreqs); 1286 eio_set_max_poll_reqs (nreqs);
817 1287
818void 1288void
… …
820 PROTOTYPE: $ 1290 PROTOTYPE: $
821 CODE: 1291 CODE:
822 eio_set_max_poll_time (nseconds); 1292 eio_set_max_poll_time (nseconds);
823 1293
824void 1294void
825min_parallel (int nthreads) 1295min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1296 PROTOTYPE: $
827 CODE: 1297 CODE:
828 eio_set_min_parallel (nthreads); 1298 eio_set_min_parallel (nthreads);
829 1299
830void 1300void
831max_parallel (int nthreads) 1301max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1302 PROTOTYPE: $
833 CODE: 1303 CODE:
834 eio_set_max_parallel (nthreads); 1304 eio_set_max_parallel (nthreads);
835 1305
836void 1306void
837max_idle (int nthreads) 1307max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1308 PROTOTYPE: $
839 CODE: 1309 CODE:
840 eio_set_max_idle (nthreads); 1310 eio_set_max_idle (nthreads);
841 1311
842void 1312void
1313idle_timeout (unsigned int seconds)
1314 PROTOTYPE: $
1315 CODE:
1316 eio_set_idle_timeout (seconds);
1317
1318void
843max_outstanding (int maxreqs) 1319max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1320 PROTOTYPE: $
845 CODE: 1321 CODE:
846 max_outstanding = maxreqs; 1322 max_outstanding = maxreqs;
847 1323
848void 1324void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1325aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1326 PPCODE:
852{ 1327{
853 dREQ; 1328 dREQ;
854 1329
1330 req->type = EIO_WD_OPEN;
1331 req_set_path1 (req, pathname);
1332
1333 REQ_SEND;
1334}
1335
1336void
1337aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1338 PPCODE:
1339{
1340 dREQ;
1341
855 req->type = EIO_OPEN; 1342 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1343 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1344 req->int1 = flags;
859 req->int2 = mode; 1345 req->int2 = mode;
860 1346
861 REQ_SEND; 1347 REQ_SEND;
862} 1348}
863 1349
864void 1350void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1351aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1352 ALIAS:
868 aio_fsync = EIO_FSYNC 1353 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1354 aio_fdatasync = EIO_FDATASYNC
1355 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1356 PPCODE:
871{ 1357{
872 int fd = s_fileno_croak (fh, 0); 1358 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1359 dREQ;
874 1360
875 req->type = ix; 1361 req->type = ix;
876 req->sv1 = newSVsv (fh); 1362 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1363 req->int1 = fd;
878 1364
879 REQ_SEND (req); 1365 REQ_SEND;
880} 1366}
881 1367
882void 1368void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1369aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1370 PPCODE:
886{ 1371{
887 int fd = s_fileno_croak (fh, 0); 1372 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1373 dREQ;
889 1374
890 req->type = EIO_SYNC_FILE_RANGE; 1375 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1376 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1377 req->int1 = fd;
893 req->offs = offset; 1378 req->offs = offset;
894 req->size = nbytes; 1379 req->size = nbytes;
895 req->int2 = flags; 1380 req->int2 = flags;
896 1381
897 REQ_SEND (req); 1382 REQ_SEND;
898} 1383}
899 1384
900void 1385void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1386aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1387 PPCODE:
904{ 1388{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1389 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1390 dREQ;
908 1391
909 if (close_pipe < 0) 1392 req->type = EIO_FALLOCATE;
1393 req->sv1 = newSVsv (fh);
1394 req->int1 = fd;
1395 req->int2 = mode;
1396 req->offs = offset;
1397 req->size = len;
1398
1399 REQ_SEND;
1400}
1401
1402void
1403aio_close (SV *fh, SV *callback = &PL_sv_undef)
1404 PPCODE:
1405{
1406 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1407 int fd = s_fileno_croak (fh, 0);
1408 dREQ;
1409
1410 if (expect_false (close_fd < 0))
910 { 1411 {
911 int pipefd [2]; 1412 int pipefd [2];
912 1413
1414 if (
1415#ifdef _WIN32
1416 _pipe (pipefd, 1, _O_BINARY) < 0
1417#else
913 if (pipe (pipefd) < 0 1418 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1419 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1420#endif
1421 || close (pipefd [1]) < 0
1422 )
916 abort (); /*D*/ 1423 abort (); /*D*/
917 1424
918 close_pipe = pipefd [0]; 1425 close_fd = pipefd [0];
919 } 1426 }
920 1427
921 req->type = EIO_DUP2; 1428 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1429 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1430 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1431 req->int2 = fd;
925 1432
926 REQ_SEND (req); 1433 REQ_SEND;
927} 1434}
928 1435
929void 1436void
1437aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1438 PPCODE:
1439{
1440 int fd = s_fileno_croak (fh, 0);
1441 dREQ;
1442
1443 req->type = EIO_SEEK;
1444 req->sv1 = newSVsv (fh);
1445 req->int1 = fd;
1446 req->offs = SvVAL64 (offset);
1447 req->int2 = whence;
1448
1449 REQ_SEND;
1450}
1451
1452void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1453aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1454 ALIAS:
932 aio_read = EIO_READ 1455 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1456 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1457 PPCODE:
936{ 1458{
937 STRLEN svlen; 1459 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1460 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1461 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1474 len = svlen - dataoffset;
953 } 1475 }
954 else 1476 else
955 { 1477 {
956 /* read: check type and grow scalar as necessary */ 1478 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1479 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1480 svptr = sv_grow (data, len + dataoffset + 1);
1481 else if (SvCUR (data) < len + dataoffset)
1482 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1483 }
960 1484
961 { 1485 {
962 dREQ; 1486 dREQ;
963 1487
… …
979 REQ_SEND; 1503 REQ_SEND;
980 } 1504 }
981} 1505}
982 1506
983void 1507void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1508aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1509 ALIAS:
1510 aio_ioctl = EIO_IOCTL
1511 aio_fcntl = EIO_FCNTL
986 PPCODE: 1512 PPCODE:
987{ 1513{
988 SV *data; 1514 int fd = s_fileno_croak (fh, 0);
1515 char *svptr;
1516
1517 if (SvPOK (arg) || !SvNIOK (arg))
1518 {
1519 STRLEN svlen;
1520 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1521#ifdef IOCPARM_LEN
1522 STRLEN need = IOCPARM_LEN (request);
1523#else
1524 STRLEN need = 256;
1525#endif
1526
1527 if (svlen < need)
1528 svptr = SvGROW (arg, need);
1529 }
1530 else
1531 svptr = (char *)SvIV (arg);
1532
1533 {
1534 dREQ;
1535
1536 req->type = ix;
1537 req->sv1 = newSVsv (fh);
1538 req->int1 = fd;
1539 req->int2 = (long)request;
1540 req->sv2 = SvREFCNT_inc (arg);
1541 req->ptr2 = svptr;
1542
1543 REQ_SEND;
1544 }
1545}
1546
1547void
1548aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1549 ALIAS:
1550 aio_readlink = EIO_READLINK
1551 aio_realpath = EIO_REALPATH
1552 PPCODE:
1553{
989 dREQ; 1554 dREQ;
990 1555
991 req->type = EIO_READLINK; 1556 req->type = ix;
992 req->sv1 = newSVsv (path); 1557 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1558
995 REQ_SEND; 1559 REQ_SEND;
996} 1560}
997 1561
998void 1562void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1563aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1564 PPCODE:
1002{ 1565{
1003 int ifd = s_fileno_croak (in_fh , 0); 1566 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1567 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1568 dREQ;
1006 1569
1007 req->type = EIO_SENDFILE; 1570 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1571 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1572 req->int1 = ofd;
… …
1014 1577
1015 REQ_SEND; 1578 REQ_SEND;
1016} 1579}
1017 1580
1018void 1581void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1582aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1583 PPCODE:
1022{ 1584{
1023 int fd = s_fileno_croak (fh, 0); 1585 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1586 dREQ;
1025 1587
1026 req->type = EIO_READAHEAD; 1588 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1589 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1590 req->int1 = fd;
… …
1031 1593
1032 REQ_SEND; 1594 REQ_SEND;
1033} 1595}
1034 1596
1035void 1597void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1598aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1599 ALIAS:
1038 aio_stat = EIO_STAT 1600 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1601 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1602 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1603 PPCODE:
1042{ 1604{
1043 dREQ; 1605 dREQ;
1044 1606
1045 req->sv1 = newSVsv (fh_or_path); 1607 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 1608
1058 REQ_SEND; 1609 REQ_SEND;
1059} 1610}
1060 1611
1612UV
1613major (UV dev)
1614 ALIAS:
1615 minor = 1
1616 CODE:
1617 RETVAL = ix ? minor (dev) : major (dev);
1618 OUTPUT:
1619 RETVAL
1620
1621UV
1622makedev (UV maj, UV min)
1623 CODE:
1624 RETVAL = makedev (maj, min);
1625 OUTPUT:
1626 RETVAL
1627
1061void 1628void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1629aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1630 PPCODE:
1064{ 1631{
1065 dREQ; 1632 dREQ;
1066 1633
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1634 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1635 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1636 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 1637
1082 REQ_SEND; 1638 REQ_SEND;
1083} 1639}
1084 1640
1085void 1641void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1642aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1643 PPCODE:
1088{ 1644{
1089 dREQ; 1645 dREQ;
1090 1646
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1647 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1648 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 1649
1105 REQ_SEND; 1650 REQ_SEND;
1106} 1651}
1107 1652
1108void 1653void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1654aio_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: 1655 PPCODE:
1114{ 1656{
1115 dREQ; 1657 dREQ;
1116 1658
1117 req->int2 = mode; 1659 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1660 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 1661
1131 REQ_SEND; 1662 REQ_SEND;
1132} 1663}
1133 1664
1134void 1665void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1666aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1667 PPCODE:
1137{ 1668{
1138 dREQ; 1669 dREQ;
1139 1670
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1671 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1672 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1673 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 1674
1155 REQ_SEND; 1675 REQ_SEND;
1156} 1676}
1157 1677
1158void 1678void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1679aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1680 PPCODE:
1161{ 1681{
1162 dREQ; 1682 dREQ;
1163 1683
1164 req->type = EIO_READDIR; 1684 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; 1685 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1686
1169 if (flags & EIO_READDIR_DENTS) 1687 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1688 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1689
1690 req_set_path1 (req, pathname);
1691
1172 REQ_SEND; 1692 REQ_SEND;
1173} 1693}
1174 1694
1175void 1695void
1696aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1697 PPCODE:
1698{
1699 dREQ;
1700
1701 req->type = EIO_MKDIR;
1702 req->int2 = mode;
1703 req_set_path1 (req, pathname);
1704
1705 REQ_SEND;
1706}
1707
1708void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1709aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1710 ALIAS:
1178 aio_unlink = EIO_UNLINK 1711 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1712 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1713 aio_readdir = EIO_READDIR
1181 PPCODE: 1714 PPCODE:
1182{ 1715{
1183 dREQ; 1716 dREQ;
1184 1717
1185 req->type = ix; 1718 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1719 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1720
1189 REQ_SEND; 1721 REQ_SEND;
1190} 1722}
1191 1723
1192void 1724void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1725aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1726 ALIAS:
1195 aio_link = EIO_LINK 1727 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1728 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1729 aio_rename = EIO_RENAME
1198 PPCODE: 1730 PPCODE:
1199{ 1731{
1732 eio_wd wd2 = 0;
1200 dREQ; 1733 dREQ;
1201 1734
1202 req->type = ix; 1735 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1736 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1737 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1738 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1739
1208 REQ_SEND; 1740 REQ_SEND;
1209} 1741}
1210 1742
1211void 1743void
1744aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1745 PPCODE:
1746{
1747 eio_wd wd2 = 0;
1748 dREQ;
1749
1750 req->type = EIO_RENAME;
1751 req_set_path1 (req, oldpath);
1752 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1753 req->int2 = flags;
1754 req->int3 = (long)wd2;
1755
1756 REQ_SEND;
1757}
1758
1759void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1760aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1761 PPCODE:
1214{ 1762{
1215 dREQ; 1763 dREQ;
1216 1764
1217 req->type = EIO_MKNOD; 1765 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1766 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1767 req->offs = dev;
1768 req_set_path1 (req, pathname);
1222 1769
1223 REQ_SEND; 1770 REQ_SEND;
1224} 1771}
1225 1772
1226void 1773void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1774aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1775 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1776 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1777 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1778 PPCODE:
1233{ 1779{
1234 STRLEN svlen; 1780 STRLEN svlen;
1781 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1782 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1783
1784 if (flags < 0)
1785 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1786
1238 if (offset < 0) 1787 if (offset < 0)
1239 offset += svlen; 1788 offset += svlen;
1240 1789
1241 if (offset < 0 || offset > svlen) 1790 if (offset < 0 || offset > svlen)
… …
1246 1795
1247 { 1796 {
1248 dREQ; 1797 dREQ;
1249 1798
1250 req->type = ix; 1799 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1800 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1801 req->ptr2 = (char *)svptr + offset;
1802 req->size = len;
1254 req->int1 = flags; 1803 req->int1 = flags;
1255 1804
1256 REQ_SEND; 1805 REQ_SEND;
1257 } 1806 }
1258} 1807}
1259 1808
1260void 1809void
1810aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1811 PPCODE:
1812{
1813 STRLEN svlen;
1814 char *svptr = SvPVbyte (data, svlen);
1815 UV len = SvUV (length);
1816
1817 if (offset < 0)
1818 offset += svlen;
1819
1820 if (offset < 0 || offset > svlen)
1821 croak ("offset outside of scalar");
1822
1823 if (!SvOK (length) || len + offset > svlen)
1824 len = svlen - offset;
1825
1826 {
1827 dREQ;
1828
1829 req->type = EIO_MLOCK;
1830 req->sv2 = SvREFCNT_inc (data);
1831 req->ptr2 = (char *)svptr + offset;
1832 req->size = len;
1833
1834 REQ_SEND;
1835 }
1836}
1837
1838void
1839aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1840 PPCODE:
1841{
1842 dREQ;
1843
1844 req->type = EIO_MLOCKALL;
1845 req->int1 = flags;
1846
1847 REQ_SEND;
1848}
1849
1850void
1851aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1852 PPCODE:
1853{
1854 int fd = s_fileno_croak (fh, 0);
1855 dREQ;
1856
1857 req->type = EIO_CUSTOM;
1858 req->sv1 = newSVsv (fh);
1859 req->int1 = fd;
1860
1861 req->feed = fiemap;
1862#if HAVE_FIEMAP
1863 /* keep our fingers crossed that the next two types are 64 bit */
1864 req->offs = start;
1865 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1866 req->int2 = flags;
1867 req->int3 = SvOK (count) ? SvIV (count) : -1;
1868#endif
1869
1870 REQ_SEND;
1871}
1872
1873void
1874aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1875 PPCODE:
1876{
1877 char *svptr = 0;
1878
1879 sv_clear_foreign (data);
1880
1881 if (length) /* known length, directly read into scalar */
1882 {
1883 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1884 svptr = sv_grow (data, length + 1);
1885 else if (SvCUR (data) < length)
1886 croak ("length outside of scalar, and cannot grow");
1887 else
1888 svptr = SvPVbyte_nolen (data);
1889 }
1890
1891 {
1892 dREQ;
1893
1894 req->type = EIO_SLURP;
1895 req_set_path1 (req, pathname);
1896 req->offs = offset;
1897 req->size = length;
1898 req->sv2 = SvREFCNT_inc (data);
1899 req->ptr2 = svptr;
1900
1901 if (!SvREADONLY (data))
1902 {
1903 SvREADONLY_on (data);
1904 req->flags |= FLAG_SV2_RO_OFF;
1905 }
1906
1907 REQ_SEND;
1908 }
1909}
1910
1911void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1912aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1913 PPCODE:
1263{ 1914{
1264 dREQ; 1915 dREQ;
1265 1916
1266 req->type = EIO_BUSY; 1917 req->type = EIO_BUSY;
… …
1268 1919
1269 REQ_SEND; 1920 REQ_SEND;
1270} 1921}
1271 1922
1272void 1923void
1273aio_group (SV *callback=&PL_sv_undef) 1924aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1925 PPCODE:
1276{ 1926{
1277 dREQ; 1927 dREQ;
1278 1928
1279 req->type = EIO_GROUP; 1929 req->type = EIO_GROUP;
1280 1930
1931 PUTBACK;
1281 req_submit (req); 1932 req_submit (req);
1933 SPAGAIN;
1934
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1935 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1936}
1284 1937
1285void 1938void
1286aio_nop (SV *callback=&PL_sv_undef) 1939aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1940 ALIAS:
1288 aio_nop = EIO_NOP 1941 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1942 aio_sync = EIO_SYNC
1290 PPCODE: 1943 PPCODE:
1291{ 1944{
… …
1295 1948
1296 REQ_SEND; 1949 REQ_SEND;
1297} 1950}
1298 1951
1299int 1952int
1300aioreq_pri (int pri = 0) 1953aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1954 CODE:
1303 RETVAL = next_pri; 1955 RETVAL = next_pri;
1304 if (items > 0) 1956 if (items > 0)
1305 { 1957 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1958 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1970 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1971 next_pri = nice;
1320 1972
1321void 1973void
1322flush () 1974flush ()
1323 PROTOTYPE:
1324 CODE: 1975 CODE:
1325 while (eio_nreqs ()) 1976 while (eio_nreqs ())
1326 { 1977 {
1327 poll_wait (); 1978 poll_wait ();
1328 poll_cb (); 1979 poll_cb ();
1329 } 1980 }
1330 1981
1331int 1982int
1332poll() 1983poll ()
1333 PROTOTYPE:
1334 CODE: 1984 CODE:
1335 poll_wait (); 1985 poll_wait ();
1336 RETVAL = poll_cb (); 1986 RETVAL = poll_cb ();
1337 OUTPUT: 1987 OUTPUT:
1338 RETVAL 1988 RETVAL
1339 1989
1340int 1990int
1341poll_fileno() 1991poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1992 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1993 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1994 OUTPUT:
1346 RETVAL 1995 RETVAL
1347 1996
1348int 1997int
1349poll_cb(...) 1998poll_cb (...)
1350 PROTOTYPE: 1999 PROTOTYPE:
1351 CODE: 2000 CODE:
1352 RETVAL = poll_cb (); 2001 RETVAL = poll_cb ();
1353 OUTPUT: 2002 OUTPUT:
1354 RETVAL 2003 RETVAL
1355 2004
1356void 2005void
1357poll_wait() 2006poll_wait ()
1358 PROTOTYPE:
1359 CODE: 2007 CODE:
1360 poll_wait (); 2008 poll_wait ();
1361 2009
1362int 2010int
1363nreqs() 2011nreqs ()
1364 PROTOTYPE:
1365 CODE: 2012 CODE:
1366 RETVAL = eio_nreqs (); 2013 RETVAL = eio_nreqs ();
1367 OUTPUT: 2014 OUTPUT:
1368 RETVAL 2015 RETVAL
1369 2016
1370int 2017int
1371nready() 2018nready ()
1372 PROTOTYPE:
1373 CODE: 2019 CODE:
1374 RETVAL = eio_nready (); 2020 RETVAL = eio_nready ();
1375 OUTPUT: 2021 OUTPUT:
1376 RETVAL 2022 RETVAL
1377 2023
1378int 2024int
1379npending() 2025npending ()
1380 PROTOTYPE:
1381 CODE: 2026 CODE:
1382 RETVAL = eio_npending (); 2027 RETVAL = eio_npending ();
1383 OUTPUT: 2028 OUTPUT:
1384 RETVAL 2029 RETVAL
1385 2030
1386int 2031int
1387nthreads() 2032nthreads ()
1388 PROTOTYPE:
1389 CODE: 2033 CODE:
1390 RETVAL = eio_nthreads (); 2034 RETVAL = eio_nthreads ();
1391 OUTPUT: 2035 OUTPUT:
1392 RETVAL 2036 RETVAL
1393 2037
1394int 2038int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2039fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2040 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2041 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2042 OUTPUT:
1400 RETVAL 2043 RETVAL
1401 2044
1402ssize_t 2045IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2046sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2047 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2048 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2049 OUTPUT:
1408 RETVAL 2050 RETVAL
1409 2051
1410void 2052void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2053mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2054 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2055 sv_clear_foreign (scalar);
1415{ 2056{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2057 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2058 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2059 if (addr == (void *)-1)
1419 XSRETURN_NO; 2060 XSRETURN_NO;
1420 2061
1421 sv_force_normal (scalar); 2062 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2063
1429 if (!(prot & PROT_WRITE)) 2064 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2065 SvREADONLY_on (scalar);
1431 2066
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2067 XSRETURN_YES;
1441} 2068}
1442 2069
1443void 2070void
1444munmap (SV *scalar) 2071munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2072 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2073 sv_clear_foreign (scalar);
1448 2074
1449int 2075SV *
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2076mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
1451 PROTOTYPE: $$$$ 2077 CODE:
1452 CODE:
1453{ 2078{
1454 char *addr = SvPV_nolen (scalar) + offset; 2079 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2080 void *new;
1455 2081
1456 if (!SvOK (ST (2))) 2082 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1457 length = SvCUR (scalar) - offset; 2083 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1458 2084
1459 if (addr >= SvEND (scalar) || length <= 0) 2085 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1460 XSRETURN_EMPTY;
1461 2086
1462 RETVAL = posix_madvise (addr, length, advice); 2087 RETVAL = &PL_sv_no;
2088
2089 if (new != (void *)-1)
2090 {
2091 RETVAL = new == (void *)mg->mg_ptr
2092 ? newSVpvn ("0 but true", 10)
2093 : &PL_sv_yes;
2094
2095 mg->mg_ptr = (char *)new;
2096 mg->mg_obj = (SV *)new_length;
2097
2098 SvPVX (scalar) = mg->mg_ptr;
2099 SvCUR_set (scalar, new_length);
2100 }
1463} 2101}
1464 OUTPUT: 2102 OUTPUT:
1465 RETVAL 2103 RETVAL
1466 2104
1467int 2105int
1468mlockall (int flags) 2106madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2107 ALIAS:
2108 mprotect = 1
1470 CODE: 2109 CODE:
2110{
2111 STRLEN svlen;
2112 void *addr = SvPVbyte (scalar, svlen);
2113 STRLEN len = SvUV (length);
2114
2115 if (offset < 0)
2116 offset += svlen;
2117
2118 if (offset < 0 || offset > svlen)
2119 croak ("offset outside of scalar");
2120
2121 if (!SvOK (length) || len + offset > svlen)
2122 len = svlen - offset;
2123
2124 addr = (void *)(((intptr_t)addr) + offset);
2125 eio_page_align (&addr, &len);
2126
2127 switch (ix)
2128 {
2129 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2130 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2131 }
2132}
2133 OUTPUT:
2134 RETVAL
2135
2136int
2137munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2138 CODE:
2139{
2140 STRLEN svlen;
2141 void *addr = SvPVbyte (scalar, svlen);
2142 size_t len = SvUV (length);
2143
2144 if (offset < 0)
2145 offset += svlen;
2146
2147 if (offset < 0 || offset > svlen)
2148 croak ("offset outside of scalar");
2149
2150 if (!SvOK (length) || len + offset > svlen)
2151 len = svlen - offset;
2152
2153 addr = (void *)(((intptr_t)addr) + offset);
2154 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2155#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2156 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 2157#else
1478 RETVAL = -1; 2158 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2159#endif
2160}
1481 OUTPUT: 2161 OUTPUT:
1482 RETVAL 2162 RETVAL
1483 2163
1484int 2164int
1485munlockall () 2165munlockall ()
1486 PROTOTYPE:
1487 CODE: 2166 CODE:
1488#if _POSIX_MEMLOCK 2167#if _POSIX_MEMLOCK
1489 munlockall (); 2168 munlockall ();
1490#else 2169#else
1491 RETVAL = -1; 2170 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2171#endif
1494 OUTPUT: 2172 OUTPUT:
1495 RETVAL 2173 RETVAL
2174
2175int
2176splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2177 CODE:
2178{
2179#if HAVE_LINUX_SPLICE
2180 loff_t off_in_, off_out_;
2181 RETVAL = splice (
2182 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2183 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2184 length, flags
2185 );
2186#else
2187 RETVAL = EIO_ENOSYS ();
2188#endif
2189}
2190 OUTPUT:
2191 RETVAL
2192
2193int
2194tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2195 CODE:
2196#if HAVE_LINUX_SPLICE
2197 RETVAL = tee (rfh, wfh, length, flags);
2198#else
2199 RETVAL = EIO_ENOSYS ();
2200#endif
2201 OUTPUT:
2202 RETVAL
2203
2204int
2205pipesize (aio_rfd rfh, int new_size = -1)
2206 PROTOTYPE: $;$
2207 CODE:
2208#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2209 if (new_size >= 0)
2210 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2211 else
2212 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2213#else
2214 errno = ENOSYS;
2215 RETVAL = -1;
2216#endif
2217 OUTPUT:
2218 RETVAL
2219
2220void
2221pipe2 (int flags = 0)
2222 PROTOTYPE: ;$
2223 PPCODE:
2224{
2225 int fd[2];
2226 int res;
2227
2228 if (flags)
2229#if HAVE_PIPE2
2230 res = pipe2 (fd, flags);
2231#else
2232 res = (errno = ENOSYS, -1);
2233#endif
2234 else
2235 res = pipe (fd);
2236
2237 if (!res)
2238 {
2239 EXTEND (SP, 2);
2240 PUSHs (newmortalFH (fd[0], O_RDONLY));
2241 PUSHs (newmortalFH (fd[1], O_WRONLY));
2242 }
2243}
2244
2245void
2246eventfd (unsigned int initval = 0, int flags = 0)
2247 PPCODE:
2248{
2249 int fd;
2250#if HAVE_EVENTFD
2251 fd = eventfd (initval, flags);
2252#else
2253 fd = (errno = ENOSYS, -1);
2254#endif
2255
2256 XPUSHs (newmortalFH (fd, O_RDWR));
2257}
2258
2259void
2260timerfd_create (int clockid, int flags = 0)
2261 PPCODE:
2262{
2263 int fd;
2264#if HAVE_TIMERFD
2265 fd = timerfd_create (clockid, flags);
2266#else
2267 fd = (errno = ENOSYS, -1);
2268#endif
2269
2270 XPUSHs (newmortalFH (fd, O_RDWR));
2271}
2272
2273void
2274timerfd_settime (SV *fh, int flags, NV interval, NV value)
2275 PPCODE:
2276{
2277 int fd = s_fileno_croak (fh, 0);
2278#if HAVE_TIMERFD
2279 int res;
2280 struct itimerspec its, ots;
2281
2282 ts_set (&its.it_interval, interval);
2283 ts_set (&its.it_value , value);
2284 res = timerfd_settime (fd, flags, &its, &ots);
2285
2286 if (!res)
2287 {
2288 EXTEND (SP, 2);
2289 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2290 PUSHs (newSVnv (ts_get (&ots.it_value)));
2291 }
2292#else
2293 errno = ENOSYS;
2294#endif
2295}
2296
2297void
2298timerfd_gettime (SV *fh)
2299 PPCODE:
2300{
2301 int fd = s_fileno_croak (fh, 0);
2302#if HAVE_TIMERFD
2303 int res;
2304 struct itimerspec ots;
2305 res = timerfd_gettime (fd, &ots);
2306
2307 if (!res)
2308 {
2309 EXTEND (SP, 2);
2310 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2311 PUSHs (newSVnv (ts_get (&ots.it_value)));
2312 }
2313#else
2314 errno = ENOSYS;
2315#endif
2316}
2317
2318UV
2319get_fdlimit ()
2320 CODE:
2321#if HAVE_RLIMITS
2322 struct rlimit rl;
2323 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2324 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2325#endif
2326 XSRETURN_UNDEF;
2327 OUTPUT:
2328 RETVAL
2329
2330void
2331min_fdlimit (UV limit = 0x7fffffffU)
2332 CODE:
2333{
2334#if HAVE_RLIMITS
2335 struct rlimit rl;
2336 rlim_t orig_rlim_max;
2337 UV bit;
2338
2339 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2340 goto fail;
2341
2342 if (rl.rlim_cur == RLIM_INFINITY)
2343 XSRETURN_YES;
2344
2345 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2346
2347 if (rl.rlim_cur < limit)
2348 {
2349 rl.rlim_cur = limit;
2350
2351 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2352 rl.rlim_max = rl.rlim_cur;
2353 }
2354
2355 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2356 XSRETURN_YES;
2357
2358 if (errno == EPERM)
2359 {
2360 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2361 /* our limit overflows a system-wide limit */
2362 /* try an adaptive algorithm, but do not lower the hardlimit */
2363 rl.rlim_max = 0;
2364 for (bit = 0x40000000U; bit; bit >>= 1)
2365 {
2366 rl.rlim_max |= bit;
2367 rl.rlim_cur = rl.rlim_max;
2368
2369 /* nevr decrease the hard limit */
2370 if (rl.rlim_max < orig_rlim_max)
2371 break;
2372
2373 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2374 rl.rlim_max &= ~bit; /* too high, remove bit again */
2375 }
2376
2377 /* now, raise the soft limit to the max permitted */
2378 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2379 {
2380 rl.rlim_cur = rl.rlim_max;
2381 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2382 errno = EPERM;
2383 }
2384 }
2385#endif
2386 fail:
2387 XSRETURN_UNDEF;
2388}
1496 2389
1497void _on_next_submit (SV *cb) 2390void _on_next_submit (SV *cb)
1498 CODE: 2391 CODE:
1499 SvREFCNT_dec (on_next_submit); 2392 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2393 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2394
1502PROTOTYPES: DISABLE 2395PROTOTYPES: DISABLE
1503 2396
2397MODULE = IO::AIO PACKAGE = IO::AIO::WD
2398
2399BOOT:
2400{
2401 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2402 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2403}
2404
2405void
2406DESTROY (SV *self)
2407 CODE:
2408{
2409 aio_wd wd = SvAIO_WD (self);
2410#if HAVE_AT
2411 {
2412 SV *callback = &PL_sv_undef;
2413 dREQ; /* clobbers next_pri :/ */
2414 next_pri = req->pri; /* restore next_pri */
2415 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2416 req->type = EIO_WD_CLOSE;
2417 req->wd = wd;
2418 REQ_SEND;
2419 }
2420#else
2421 eio_wd_close_sync (wd);
2422#endif
2423}
2424
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2425MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2426
1506void 2427void
1507cancel (aio_req_ornot req) 2428cancel (aio_req_ornot req)
1508 CODE: 2429 CODE:
1509 eio_cancel (req); 2430 eio_cancel (req);
1510 2431
1511void 2432void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2433cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2434 PPCODE:
1514{ 2435{
1515 if (GIMME_V != G_VOID) 2436 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2437 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2438
1518 if (items > 1) 2439 if (items > 1)
1519 { 2440 {
1520 SV *cb_cv =get_cb (callback); 2441 SV *cb_cv = get_cb (callback);
1521 2442
1522 SvREFCNT_dec (req->callback); 2443 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2444 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2445 }
1525} 2446}
… …
1582limit (aio_req grp, int limit) 2503limit (aio_req grp, int limit)
1583 CODE: 2504 CODE:
1584 eio_grp_limit (grp, limit); 2505 eio_grp_limit (grp, limit);
1585 2506
1586void 2507void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2508feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2509 CODE:
1589{ 2510{
1590 SvREFCNT_dec (grp->sv2); 2511 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2512 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2513 grp->feed = aio_grp_feed;

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