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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 1.260 by root, Tue Jul 24 04:58:59 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#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif
171#ifndef major
172# define major(dev) ((dev) >> 8)
173#endif
174#ifndef minor
175# define minor(dev) ((dev) & 0xff)
176#endif
177
178#if PAGESIZE <= 0
232# define PAGESIZE sysconf (_SC_PAGESIZE) 179# define PAGESIZE sysconf (_SC_PAGESIZE)
233#endif 180#endif
234 181
235static int req_invoke (eio_req *req); 182/*****************************************************************************/
236#define EIO_FINISH(req) req_invoke (req) 183
237static void req_destroy (eio_req *grp); 184#if !_POSIX_MAPPED_FILES
238#define EIO_DESTROY(req) req_destroy (req) 185# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279/* defines all sorts of constants to 0 unless they are already defined */
280/* also provides const_iv_ and const_niv_ macros for them */
281#include "def0.h"
282
283/*****************************************************************************/
284
285static void
286fiemap (eio_req *req)
287{
288 req->result = -1;
289
290#if HAVE_FIEMAP
291 /* assume some c99 */
292 struct fiemap *fiemap = 0;
293 size_t end_offset;
294 int count = req->int3;
295
296 req->flags |= EIO_FLAG_PTR1_FREE;
297
298 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
299 /* increase in 3.5kb steps */
300 if (count < 0)
301 count = 8;
302
303 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
304 errno = ENOMEM;
305 if (!fiemap)
306 return;
307
308 req->ptr1 = fiemap;
309
310 fiemap->fm_start = req->offs;
311 fiemap->fm_length = req->size;
312 fiemap->fm_flags = req->int2;
313 fiemap->fm_extent_count = count;
314
315 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
316 return;
317
318 if (req->int3 >= 0 /* not autosizing */
319 || !fiemap->fm_mapped_extents /* no more extents */
320 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
321 goto done;
322
323 /* else we have to loop -
324 * it would be tempting (actually I tried that first) to just query the
325 * number of extents needed, but linux often feels like not returning all
326 * extents, without telling us it left any out. this complicates
327 * this quite a bit.
328 */
329
330 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
331
332 for (;;)
333 {
334 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
335 char scratch[3072];
336 struct fiemap *incmap = (struct fiemap *)scratch;
337
338 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
339 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
340 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
341 incmap->fm_flags = fiemap->fm_flags;
342 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
343
344 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
345 return;
346
347 if (!incmap->fm_mapped_extents)
348 goto done;
349
350 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
351 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
352 errno = ENOMEM;
353 if (!fiemap)
354 return;
355
356 req->ptr1 = fiemap;
357
358 for (count = 0; count < incmap->fm_mapped_extents; ++count)
359 {
360 struct fiemap_extent *e = incmap->fm_extents + count;
361
362 if (e->fe_logical + e->fe_length >= end_offset)
363 goto done;
364
365 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
366
367 if (e->fe_flags & FIEMAP_EXTENT_LAST)
368 goto done;
369
370 }
371 }
372
373done:
374 req->result = 0;
375
376#else
377 errno = ENOSYS;
378#endif
379}
380
381/*****************************************************************************/
239 382
240enum { 383enum {
241 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 384 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
242}; 385};
243 386
244#include "libeio/eio.c"
245
246typedef eio_req *aio_req; 387typedef eio_req *aio_req;
247typedef eio_req *aio_req_ornot; 388typedef eio_req *aio_req_ornot;
389typedef eio_wd aio_wd;
248 390
249static SV *on_next_submit; 391static SV *on_next_submit;
250static int next_pri = EIO_PRI_DEFAULT; 392static int next_pri = EIO_PRI_DEFAULT;
251static int max_outstanding; 393static int max_outstanding;
252 394
253static s_epipe respipe; 395static s_epipe respipe;
254 396
255static void req_destroy (aio_req req); 397static void req_destroy (aio_req req);
256static void req_cancel (aio_req req); 398static void req_cancel (aio_req req);
257 399
258static void want_poll (void) 400static void
401want_poll (void)
259{ 402{
260 /* write a dummy byte to the pipe so fh becomes ready */ 403 /* write a dummy byte to the pipe so fh becomes ready */
261 s_epipe_signal (&respipe); 404 s_epipe_signal (&respipe);
262} 405}
263 406
264static void done_poll (void) 407static void
408done_poll (void)
265{ 409{
266 /* read any signals sent by the worker threads */ 410 /* read any signals sent by the worker threads */
267 s_epipe_drain (&respipe); 411 s_epipe_drain (&respipe);
268} 412}
269 413
270/* must be called at most once */ 414/* must be called at most once */
415static SV *
271static SV *req_sv (aio_req req, HV *stash) 416req_sv (aio_req req, HV *stash)
272{ 417{
273 if (!req->self) 418 if (!req->self)
274 { 419 {
275 req->self = (SV *)newHV (); 420 req->self = (SV *)newHV ();
276 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 421 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
277 } 422 }
278 423
279 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 424 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
280} 425}
281 426
282static aio_req SvAIO_REQ (SV *sv) 427static SV *
428newSVaio_wd (aio_wd wd)
429{
430 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
431}
432
433static aio_req
434SvAIO_REQ (SV *sv)
283{ 435{
284 MAGIC *mg; 436 MAGIC *mg;
285 437
286 if (!SvROK (sv) 438 if (!SvROK (sv)
439 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
287 || (SvSTASH (SvRV (sv)) != aio_grp_stash 440 || (SvSTASH (SvRV (sv)) != aio_grp_stash
288 && SvSTASH (SvRV (sv)) != aio_req_stash 441 && SvSTASH (SvRV (sv)) != aio_req_stash
289 && !sv_derived_from (sv, "IO::AIO::REQ"))) 442 && !sv_derived_from (sv, "IO::AIO::REQ")))
290 croak ("object of class IO::AIO::REQ expected"); 443 croak ("object of class IO::AIO::REQ expected");
291 444
292 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 445 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
293 446
294 return mg ? (aio_req)mg->mg_ptr : 0; 447 return mg ? (aio_req)mg->mg_ptr : 0;
295} 448}
296 449
450static aio_wd
451SvAIO_WD (SV *sv)
452{
453 if (!SvROK (sv)
454 || SvTYPE (SvRV (sv)) != SVt_PVMG
455 || SvSTASH (SvRV (sv)) != aio_wd_stash)
456 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
457
458 return (aio_wd)(long)SvIVX (SvRV (sv));
459}
460
461static SV *
462newmortalFH (int fd, int flags)
463{
464 if (fd < 0)
465 return &PL_sv_undef;
466
467 GV *gv = (GV *)sv_newmortal ();
468 char sym[64];
469 int symlen;
470
471 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
472 gv_init (gv, aio_stash, sym, symlen, 0);
473
474 symlen = snprintf (
475 sym,
476 sizeof (sym),
477 "%s&=%d",
478 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
479 fd
480 );
481
482 return do_open (gv, sym, symlen, 0, 0, 0, 0)
483 ? (SV *)gv : &PL_sv_undef;
484}
485
486static void
297static void aio_grp_feed (aio_req grp) 487aio_grp_feed (aio_req grp)
298{ 488{
299 if (grp->sv2 && SvOK (grp->sv2)) 489 if (grp->sv2 && SvOK (grp->sv2))
300 { 490 {
301 dSP; 491 dSP;
302 492
… …
310 FREETMPS; 500 FREETMPS;
311 LEAVE; 501 LEAVE;
312 } 502 }
313} 503}
314 504
505static void
315static void req_submit (eio_req *req) 506req_submit (eio_req *req)
316{ 507{
317 eio_submit (req); 508 eio_submit (req);
318 509
319 if (expect_false (on_next_submit)) 510 if (expect_false (on_next_submit))
320 { 511 {
… …
327 PUTBACK; 518 PUTBACK;
328 call_sv (cb, G_DISCARD | G_EVAL); 519 call_sv (cb, G_DISCARD | G_EVAL);
329 } 520 }
330} 521}
331 522
523static int
332static int req_invoke (eio_req *req) 524req_invoke (eio_req *req)
333{ 525{
334 if (req->flags & FLAG_SV2_RO_OFF) 526 if (req->flags & FLAG_SV2_RO_OFF)
335 SvREADONLY_off (req->sv2); 527 SvREADONLY_off (req->sv2);
336 528
337 if (!EIO_CANCELLED (req) && req->callback) 529 if (!EIO_CANCELLED (req) && req->callback)
… …
348 /* do not recreate the result IV from scratch each time */ 540 /* do not recreate the result IV from scratch each time */
349 if (expect_true (sv_result_cache)) 541 if (expect_true (sv_result_cache))
350 { 542 {
351 sv_result = sv_result_cache; sv_result_cache = 0; 543 sv_result = sv_result_cache; sv_result_cache = 0;
352 SvIV_set (sv_result, req->result); 544 SvIV_set (sv_result, req->result);
545 SvIOK_only (sv_result);
353 } 546 }
354 else 547 else
355 { 548 {
356 sv_result = newSViv (req->result); 549 sv_result = newSViv (req->result);
357 SvREADONLY_on (sv_result); 550 SvREADONLY_on (sv_result);
358 } 551 }
359 552
360 switch (req->type) 553 switch (req->type)
361 { 554 {
555 case EIO_WD_OPEN:
556 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
557 break;
558
362 case EIO_READDIR: 559 case EIO_READDIR:
363 { 560 {
364 SV *rv = &PL_sv_undef; 561 SV *rv = &PL_sv_undef;
365 562
366 if (req->result >= 0) 563 if (req->result >= 0)
… …
419 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 616 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
420 } 617 }
421 break; 618 break;
422 619
423 case EIO_OPEN: 620 case EIO_OPEN:
424 { 621 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; 622 break;
453 623
454 case EIO_STATVFS: 624 case EIO_STATVFS:
455 case EIO_FSTATVFS: 625 case EIO_FSTATVFS:
456 { 626 {
457 SV *rv = &PL_sv_undef; 627 SV *rv = &PL_sv_undef;
458 628
629#ifndef _WIN32
459 if (req->result >= 0) 630 if (req->result >= 0)
460 { 631 {
461 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 632 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
462 HV *hv = newHV (); 633 HV *hv = newHV ();
634 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
635 * chooses to make it a struct.
636 */
637 unsigned long fsid = 0;
638 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
463 639
464 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 640 rv = sv_2mortal (newRV_noinc ((SV *)hv));
465 641
466 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 642 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); 643 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); 645 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); 646 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); 647 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); 648 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); 649 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); 650 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
475 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 651 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); 652 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
477 } 653 }
654#endif
478 655
479 PUSHs (rv); 656 PUSHs (rv);
480 } 657 }
481 658
482 break; 659 break;
… …
498 case EIO_NOP: 675 case EIO_NOP:
499 case EIO_BUSY: 676 case EIO_BUSY:
500 break; 677 break;
501 678
502 case EIO_READLINK: 679 case EIO_READLINK:
680 case EIO_REALPATH:
503 if (req->result > 0) 681 if (req->result > 0)
504 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 682 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
505 break; 683 break;
506 684
507 case EIO_STAT: 685 case EIO_STAT:
508 case EIO_LSTAT: 686 case EIO_LSTAT:
509 case EIO_FSTAT: 687 case EIO_FSTAT:
510 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 688 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
689
511 PL_laststatval = req->result; 690 if (!(PL_laststatval = req->result))
691 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
512 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 692 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
693
513 PUSHs (sv_result); 694 PUSHs (sv_result);
695 break;
696
697 case EIO_SEEK:
698 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
514 break; 699 break;
515 700
516 case EIO_READ: 701 case EIO_READ:
517 { 702 {
518 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 703 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
521 SvSETMAGIC (req->sv2); 706 SvSETMAGIC (req->sv2);
522 PUSHs (sv_result); 707 PUSHs (sv_result);
523 } 708 }
524 break; 709 break;
525 710
711 case EIO_SLURP:
712 {
713 if (req->result >= 0)
714 {
715 /* if length was originally not known, we steal the malloc'ed memory */
716 if (req->flags & EIO_FLAG_PTR2_FREE)
717 {
718 req->flags &= ~EIO_FLAG_PTR2_FREE;
719 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
720 }
721 else
722 {
723 SvCUR_set (req->sv2, req->result);
724 *SvEND (req->sv2) = 0;
725 SvPOK_only (req->sv2);
726 }
727
728 SvSETMAGIC (req->sv2);
729 }
730
731 PUSHs (sv_result);
732 }
733 break;
734
735 case EIO_CUSTOM:
736 if (req->feed == fiemap)
737 {
738#if HAVE_FIEMAP
739 if (!req->result)
740 {
741 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
742
743 if (fiemap->fm_extent_count)
744 {
745 AV *av = newAV ();
746 int i;
747
748 while (fiemap->fm_mapped_extents)
749 {
750 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
751 AV *ext_av = newAV ();
752
753 av_store (ext_av, 3, newSVuv (extent->fe_flags));
754 av_store (ext_av, 2, newSVval64 (extent->fe_length));
755 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
756 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
757
758 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
759 }
760
761 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
762 }
763 else
764 {
765 SvIV_set (sv_result, fiemap->fm_mapped_extents);
766 PUSHs (sv_result);
767 }
768 }
769#endif
770 }
771 else
772 PUSHs (sv_result);
773 break;
774
526 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 775 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
527 if (req->result > 0) 776 if (req->result > 0)
528 SvIV_set (sv_result, 0); 777 SvIV_set (sv_result, 0);
529 /* FALLTHROUGH */ 778 /* FALLTHROUGH */
530 779
531 default: 780 default:
… …
551 } 800 }
552 801
553 return !!SvTRUE (ERRSV); 802 return !!SvTRUE (ERRSV);
554} 803}
555 804
805static void
556static void req_destroy (aio_req req) 806req_destroy (aio_req req)
557{ 807{
558 if (req->self) 808 if (req->self)
559 { 809 {
560 sv_unmagic (req->self, PERL_MAGIC_ext); 810 sv_unmagic (req->self, PERL_MAGIC_ext);
561 SvREFCNT_dec (req->self); 811 SvREFCNT_dec (req->self);
562 } 812 }
563 813
564 SvREFCNT_dec (req->sv1); 814 SvREFCNT_dec (req->sv1);
565 SvREFCNT_dec (req->sv2); 815 SvREFCNT_dec (req->sv2);
816 SvREFCNT_dec (req->sv3);
817 SvREFCNT_dec (req->sv4);
566 SvREFCNT_dec (req->callback); 818 SvREFCNT_dec (req->callback);
567 819
568 Safefree (req); 820 free (req);
569} 821}
570 822
823static void
571static void req_cancel_subs (aio_req grp) 824req_cancel_subs (aio_req grp)
572{ 825{
573 aio_req sub;
574
575 if (grp->type != EIO_GROUP) 826 if (grp->type != EIO_GROUP)
576 return; 827 return;
577 828
578 SvREFCNT_dec (grp->sv2); 829 SvREFCNT_dec (grp->sv2);
579 grp->sv2 = 0; 830 grp->sv2 = 0;
580 831
581 eio_grp_cancel (grp); 832 eio_grp_cancel (grp);
582} 833}
583 834
584static void 835static void ecb_cold
585create_respipe (void) 836create_respipe (void)
586{ 837{
587 if (s_epipe_renew (&respipe)) 838 if (s_epipe_renew (&respipe))
588 croak ("IO::AIO: unable to initialize result pipe"); 839 croak ("IO::AIO: unable to initialize result pipe");
589} 840}
590 841
591static void poll_wait (void) 842static void
843poll_wait (void)
592{ 844{
593 while (eio_nreqs ()) 845 while (eio_nreqs ())
594 { 846 {
595 int size; 847 int size;
596 848
597 X_LOCK (reslock); 849 X_LOCK (EIO_POOL->reslock);
598 size = res_queue.size; 850 size = EIO_POOL->res_queue.size;
599 X_UNLOCK (reslock); 851 X_UNLOCK (EIO_POOL->reslock);
600 852
601 if (size) 853 if (size)
602 return; 854 return;
603 855
604 etp_maybe_start_thread (); 856 etp_maybe_start_thread (EIO_POOL);
605 857
606 s_epipe_wait (&respipe); 858 s_epipe_wait (&respipe);
607 } 859 }
608} 860}
609 861
610static int poll_cb (void) 862static int
863poll_cb (void)
611{ 864{
612 for (;;) 865 for (;;)
613 { 866 {
614 int res = eio_poll (); 867 int res = eio_poll ();
615 868
… …
621 874
622 poll_wait (); 875 poll_wait ();
623 } 876 }
624} 877}
625 878
626static void atfork_child (void) 879static void ecb_cold
880reinit (void)
627{ 881{
628 create_respipe (); 882 create_respipe ();
629}
630 883
631/*****************************************************************************/ 884 if (eio_init (want_poll, done_poll) < 0)
632 885 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} 886}
660
661static MGVTBL mmap_vtbl = {
662 0, 0, 0, 0, mmap_free
663};
664 887
665/*****************************************************************************/ 888/*****************************************************************************/
666 889
667static SV * 890static SV *
668get_cb (SV *cb_sv) 891get_cb (SV *cb_sv)
669{ 892{
670 SvGETMAGIC (cb_sv); 893 SvGETMAGIC (cb_sv);
671 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 894 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
672} 895}
673 896
897static aio_req ecb_noinline
898dreq (SV *callback)
899{
900 SV *cb_cv;
901 aio_req req;
902 int req_pri = next_pri;
903 next_pri = EIO_PRI_DEFAULT;
904
905 cb_cv = get_cb (callback);
906
907 req = calloc (sizeof (*req), 1);
908 if (!req)
909 croak ("out of memory during eio_req allocation");
910
911 req->callback = SvREFCNT_inc (cb_cv);
912 req->pri = req_pri;
913
914 return req;
915}
916
674#define dREQ \ 917#define dREQ \
675 SV *cb_cv; \ 918 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
688 919
689#define REQ_SEND \ 920#define REQ_SEND \
690 PUTBACK; \ 921 PUTBACK; \
691 req_submit (req); \ 922 req_submit (req); \
692 SPAGAIN; \ 923 SPAGAIN; \
693 \ 924 \
694 if (GIMME_V != G_VOID) \ 925 if (GIMME_V != G_VOID) \
695 XPUSHs (req_sv (req, aio_req_stash)); 926 XPUSHs (req_sv (req, aio_req_stash));
696 927
928ecb_inline void
929req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
930{
931 if (expect_false (SvROK (path)))
932 {
933 SV *rv = SvRV (path);
934 SV *wdob;
935
936 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
937 {
938 path = AvARRAY (rv)[1];
939 wdob = AvARRAY (rv)[0];
940
941 if (SvOK (wdob))
942 {
943 *wd = SvAIO_WD (wdob);
944 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
945 }
946 else
947 *wd = EIO_INVALID_WD;
948 }
949 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
950 {
951 *wd = (aio_wd)(long)SvIVX (rv);
952 *wdsv = SvREFCNT_inc_NN (rv);
953 *ptr = ".";
954 return; /* path set to "." */
955 }
956 else
957 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
958 }
959
960 *pathsv = newSVsv (path);
961 *ptr = SvPVbyte_nolen (*pathsv);
962}
963
964static void ecb_noinline
965req_set_path1 (aio_req req, SV *path)
966{
967 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
968}
969
970static void ecb_noinline
971req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
972{
973 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
974
975 switch (SvTYPE (rv))
976 {
977 case SVt_PVIO:
978 case SVt_PVLV:
979 case SVt_PVGV:
980 req->type = type_fh;
981 req->sv1 = newSVsv (fh_or_path);
982 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
983 break;
984
985 default:
986 req->type = type_path;
987 req_set_path1 (req, fh_or_path);
988 break;
989 }
990}
991
992/*****************************************************************************/
993
994static void
995ts_set (struct timespec *ts, NV value)
996{
997 ts->tv_sec = value;
998 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
999}
1000
1001static NV
1002ts_get (const struct timespec *ts)
1003{
1004 return ts->tv_sec + ts->tv_nsec * 1e-9;
1005}
1006
1007/*****************************************************************************/
1008
1009XS(boot_IO__AIO) ecb_cold;
1010
697MODULE = IO::AIO PACKAGE = IO::AIO 1011MODULE = IO::AIO PACKAGE = IO::AIO
698 1012
699PROTOTYPES: ENABLE 1013PROTOTYPES: ENABLE
700 1014
701BOOT: 1015BOOT:
… …
705 IV iv; 1019 IV iv;
706 } *civ, const_iv[] = { 1020 } *civ, const_iv[] = {
707# define const_niv(name, value) { # name, (IV) value }, 1021# define const_niv(name, value) { # name, (IV) value },
708# define const_iv(name) { # name, (IV) name }, 1022# define const_iv(name) { # name, (IV) name },
709# define const_eio(name) { # name, (IV) EIO_ ## name }, 1023# define const_eio(name) { # name, (IV) EIO_ ## name },
1024
1025 /* you have to re-run ./gendef0 after adding/removing any constants here */
1026 /* the first block can be undef if missing */
1027 const_iv (ENOSYS)
710 const_iv (EXDEV) 1028 const_iv (EXDEV)
711 const_iv (ENOSYS) 1029 const_iv (EBADR)
1030
1031 /* for lseek */
1032 const_iv (SEEK_DATA)
1033 const_iv (SEEK_HOLE)
1034
1035 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1036 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1037 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1038 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1039 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1040 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1041
1042 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1043 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1044 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1045 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1046 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1047
1048 /* the second block will be 0 when missing */
1049 const_iv (O_ACCMODE)
1050
712 const_iv (O_RDONLY) 1051 const_iv (O_RDONLY)
713 const_iv (O_WRONLY) 1052 const_iv (O_WRONLY)
714 const_iv (O_RDWR) 1053 const_iv (O_RDWR)
715 const_iv (O_CREAT) 1054 const_iv (O_CREAT)
716 const_iv (O_TRUNC) 1055 const_iv (O_TRUNC)
717 const_iv (O_EXCL) 1056 const_iv (O_EXCL)
718 const_iv (O_APPEND) 1057 const_iv (O_APPEND)
719#ifndef _WIN32 1058
1059 const_iv (O_ASYNC)
1060 const_iv (O_DIRECT)
1061 const_iv (O_NOATIME)
1062
1063 const_iv (O_CLOEXEC)
1064 const_iv (O_NOCTTY)
1065 const_iv (O_NOFOLLOW)
1066 const_iv (O_NONBLOCK)
1067 const_iv (O_EXEC)
1068 const_iv (O_SEARCH)
1069 const_iv (O_DIRECTORY)
1070 const_iv (O_DSYNC)
1071 const_iv (O_RSYNC)
1072 const_iv (O_SYNC)
1073 const_iv (O_PATH)
1074 const_iv (O_TMPFILE)
1075 const_iv (O_TTY_INIT)
1076
720 const_iv (S_IFIFO) 1077 const_iv (S_IFIFO)
721#endif 1078 const_iv (S_IFCHR)
722 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1079 const_iv (S_IFBLK)
723 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1080 const_iv (S_IFLNK)
724 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1081 const_iv (S_IFREG)
725 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1082 const_iv (S_IFDIR)
726 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1083 const_iv (S_IFWHT)
727 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1084 const_iv (S_IFSOCK)
728 1085 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 1086
735 const_iv (ST_RDONLY) 1087 const_iv (ST_RDONLY)
736 const_iv (ST_NOSUID) 1088 const_iv (ST_NOSUID)
737 const_iv (ST_NODEV) 1089 const_iv (ST_NODEV)
738 const_iv (ST_NOEXEC) 1090 const_iv (ST_NOEXEC)
… …
743 const_iv (ST_IMMUTABLE) 1095 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 1096 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 1097 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 1098 const_iv (ST_RELATIME)
747 1099
1100 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 1101 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 1102 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 1103 const_iv (PROT_WRITE)
752 1104
753 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 1105 const_iv (MAP_PRIVATE)
755 const_iv (MAP_SHARED) 1106 const_iv (MAP_SHARED)
1107 const_iv (MAP_FIXED)
756 const_iv (MAP_ANONYMOUS) 1108 const_iv (MAP_ANONYMOUS)
757 1109
758 /* linuxish */ 1110 /* linuxish */
759 const_iv (MAP_HUGETLB)
760 const_iv (MAP_LOCKED) 1111 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 1112 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 1113 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 1114 const_iv (MAP_NONBLOCK)
1115 const_iv (MAP_GROWSDOWN)
1116 const_iv (MAP_32BIT)
1117 const_iv (MAP_HUGETLB)
1118 const_iv (MAP_STACK)
764 1119
1120 const_iv (MREMAP_MAYMOVE)
1121 const_iv (MREMAP_FIXED)
1122
1123 const_iv (F_DUPFD_CLOEXEC)
1124
1125 const_iv (F_OFD_GETLK)
1126 const_iv (F_OFD_SETLK)
1127 const_iv (F_OFD_GETLKW)
1128
1129 const_iv (FIFREEZE)
1130 const_iv (FITHAW)
1131 const_iv (FITRIM)
1132 const_iv (FICLONE)
1133 const_iv (FICLONERANGE)
1134 const_iv (FIDEDUPERANGE)
1135
1136 const_iv (FS_IOC_GETFLAGS)
1137 const_iv (FS_IOC_SETFLAGS)
1138 const_iv (FS_IOC_GETVERSION)
1139 const_iv (FS_IOC_SETVERSION)
1140 const_iv (FS_IOC_FIEMAP)
1141 const_iv (FS_IOC_FSGETXATTR)
1142 const_iv (FS_IOC_FSSETXATTR)
1143 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1144 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1145 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1146
1147 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1148
1149 const_iv (FS_SECRM_FL)
1150 const_iv (FS_UNRM_FL)
1151 const_iv (FS_COMPR_FL)
1152 const_iv (FS_SYNC_FL)
1153 const_iv (FS_IMMUTABLE_FL)
1154 const_iv (FS_APPEND_FL)
1155 const_iv (FS_NODUMP_FL)
1156 const_iv (FS_NOATIME_FL)
1157 const_iv (FS_DIRTY_FL)
1158 const_iv (FS_COMPRBLK_FL)
1159 const_iv (FS_NOCOMP_FL)
1160 const_iv (FS_ENCRYPT_FL)
1161 const_iv (FS_BTREE_FL)
1162 const_iv (FS_INDEX_FL)
1163 const_iv (FS_JOURNAL_DATA_FL)
1164 const_iv (FS_NOTAIL_FL)
1165 const_iv (FS_DIRSYNC_FL)
1166 const_iv (FS_TOPDIR_FL)
1167 const_iv (FS_FL_USER_MODIFIABLE)
1168
1169 const_iv (FS_XFLAG_REALTIME)
1170 const_iv (FS_XFLAG_PREALLOC)
1171 const_iv (FS_XFLAG_IMMUTABLE)
1172 const_iv (FS_XFLAG_APPEND)
1173 const_iv (FS_XFLAG_SYNC)
1174 const_iv (FS_XFLAG_NOATIME)
1175 const_iv (FS_XFLAG_NODUMP)
1176 const_iv (FS_XFLAG_RTINHERIT)
1177 const_iv (FS_XFLAG_PROJINHERIT)
1178 const_iv (FS_XFLAG_NOSYMLINKS)
1179 const_iv (FS_XFLAG_EXTSIZE)
1180 const_iv (FS_XFLAG_EXTSZINHERIT)
1181 const_iv (FS_XFLAG_NODEFRAG)
1182 const_iv (FS_XFLAG_FILESTREAM)
1183 const_iv (FS_XFLAG_DAX)
1184 const_iv (FS_XFLAG_HASATTR)
1185
1186 const_iv (FIEMAP_FLAG_SYNC)
1187 const_iv (FIEMAP_FLAG_XATTR)
1188 const_iv (FIEMAP_FLAGS_COMPAT)
1189 const_iv (FIEMAP_EXTENT_LAST)
1190 const_iv (FIEMAP_EXTENT_UNKNOWN)
1191 const_iv (FIEMAP_EXTENT_DELALLOC)
1192 const_iv (FIEMAP_EXTENT_ENCODED)
1193 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1194 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1195 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1196 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1197 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1198 const_iv (FIEMAP_EXTENT_MERGED)
1199 const_iv (FIEMAP_EXTENT_SHARED)
1200
1201 const_iv (SPLICE_F_MOVE)
1202 const_iv (SPLICE_F_NONBLOCK)
1203 const_iv (SPLICE_F_MORE)
1204 const_iv (SPLICE_F_GIFT)
1205
1206 const_iv (EFD_CLOEXEC)
1207 const_iv (EFD_NONBLOCK)
1208 const_iv (EFD_SEMAPHORE)
1209
1210 const_iv (CLOCK_REALTIME)
1211 const_iv (CLOCK_MONOTONIC)
1212 const_iv (CLOCK_BOOTTIME)
1213 const_iv (CLOCK_REALTIME_ALARM)
1214 const_iv (CLOCK_BOOTTIME_ALARM)
1215
1216 const_iv (TFD_NONBLOCK)
1217 const_iv (TFD_CLOEXEC)
1218
1219 const_iv (TFD_TIMER_ABSTIME)
1220 const_iv (TFD_TIMER_CANCEL_ON_SET)
1221
1222 /* these are libeio constants, and are independent of gendef0 */
1223 const_eio (SEEK_SET)
1224 const_eio (SEEK_CUR)
1225 const_eio (SEEK_END)
1226
765 const_iv (MCL_FUTURE) 1227 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 1228 const_eio (MCL_CURRENT)
767 1229
768 const_eio (MS_ASYNC) 1230 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 1231 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 1232 const_eio (MS_SYNC)
771 1233
772 const_eio (MT_MODIFY) 1234 const_eio (MT_MODIFY)
773 1235
774 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1236 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
775 const_eio (SYNC_FILE_RANGE_WRITE) 1237 const_eio (SYNC_FILE_RANGE_WRITE)
776 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1238 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1239
1240 const_eio (FALLOC_FL_KEEP_SIZE)
1241 const_eio (FALLOC_FL_PUNCH_HOLE)
1242 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1243 const_eio (FALLOC_FL_ZERO_RANGE)
1244 const_eio (FALLOC_FL_INSERT_RANGE)
1245 const_eio (FALLOC_FL_UNSHARE_RANGE)
1246
1247 const_eio (RENAME_NOREPLACE)
1248 const_eio (RENAME_EXCHANGE)
1249 const_eio (RENAME_WHITEOUT)
777 1250
778 const_eio (READDIR_DENTS) 1251 const_eio (READDIR_DENTS)
779 const_eio (READDIR_DIRS_FIRST) 1252 const_eio (READDIR_DIRS_FIRST)
780 const_eio (READDIR_STAT_ORDER) 1253 const_eio (READDIR_STAT_ORDER)
781 const_eio (READDIR_FOUND_UNKNOWN) 1254 const_eio (READDIR_FOUND_UNKNOWN)
… …
792 }; 1265 };
793 1266
794 aio_stash = gv_stashpv ("IO::AIO" , 1); 1267 aio_stash = gv_stashpv ("IO::AIO" , 1);
795 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1268 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
796 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1269 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1270 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
797 1271
798 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1272 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)); 1273 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
800 1274
801 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1275 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
802 1276
803 create_respipe (); 1277 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} 1278}
811 1279
812void 1280void
1281reinit ()
1282 PROTOTYPE:
1283
1284void
813max_poll_reqs (int nreqs) 1285max_poll_reqs (unsigned int nreqs)
814 PROTOTYPE: $ 1286 PROTOTYPE: $
815 CODE: 1287 CODE:
816 eio_set_max_poll_reqs (nreqs); 1288 eio_set_max_poll_reqs (nreqs);
817 1289
818void 1290void
… …
820 PROTOTYPE: $ 1292 PROTOTYPE: $
821 CODE: 1293 CODE:
822 eio_set_max_poll_time (nseconds); 1294 eio_set_max_poll_time (nseconds);
823 1295
824void 1296void
825min_parallel (int nthreads) 1297min_parallel (unsigned int nthreads)
826 PROTOTYPE: $ 1298 PROTOTYPE: $
827 CODE: 1299 CODE:
828 eio_set_min_parallel (nthreads); 1300 eio_set_min_parallel (nthreads);
829 1301
830void 1302void
831max_parallel (int nthreads) 1303max_parallel (unsigned int nthreads)
832 PROTOTYPE: $ 1304 PROTOTYPE: $
833 CODE: 1305 CODE:
834 eio_set_max_parallel (nthreads); 1306 eio_set_max_parallel (nthreads);
835 1307
836void 1308void
837max_idle (int nthreads) 1309max_idle (unsigned int nthreads)
838 PROTOTYPE: $ 1310 PROTOTYPE: $
839 CODE: 1311 CODE:
840 eio_set_max_idle (nthreads); 1312 eio_set_max_idle (nthreads);
841 1313
842void 1314void
1315idle_timeout (unsigned int seconds)
1316 PROTOTYPE: $
1317 CODE:
1318 eio_set_idle_timeout (seconds);
1319
1320void
843max_outstanding (int maxreqs) 1321max_outstanding (unsigned int maxreqs)
844 PROTOTYPE: $ 1322 PROTOTYPE: $
845 CODE: 1323 CODE:
846 max_outstanding = maxreqs; 1324 max_outstanding = maxreqs;
847 1325
848void 1326void
849aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1327aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$;$
851 PPCODE: 1328 PPCODE:
852{ 1329{
853 dREQ; 1330 dREQ;
854 1331
1332 req->type = EIO_WD_OPEN;
1333 req_set_path1 (req, pathname);
1334
1335 REQ_SEND;
1336}
1337
1338void
1339aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1340 PPCODE:
1341{
1342 dREQ;
1343
855 req->type = EIO_OPEN; 1344 req->type = EIO_OPEN;
856 req->sv1 = newSVsv (pathname); 1345 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 req->int1 = flags; 1346 req->int1 = flags;
859 req->int2 = mode; 1347 req->int2 = mode;
860 1348
861 REQ_SEND; 1349 REQ_SEND;
862} 1350}
863 1351
864void 1352void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1353aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 1354 ALIAS:
868 aio_fsync = EIO_FSYNC 1355 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 1356 aio_fdatasync = EIO_FDATASYNC
1357 aio_syncfs = EIO_SYNCFS
870 PPCODE: 1358 PPCODE:
871{ 1359{
872 int fd = s_fileno_croak (fh, 0); 1360 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1361 dREQ;
874 1362
875 req->type = ix; 1363 req->type = ix;
876 req->sv1 = newSVsv (fh); 1364 req->sv1 = newSVsv (fh);
877 req->int1 = fd; 1365 req->int1 = fd;
878 1366
879 REQ_SEND (req); 1367 REQ_SEND;
880} 1368}
881 1369
882void 1370void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1371aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 1372 PPCODE:
886{ 1373{
887 int fd = s_fileno_croak (fh, 0); 1374 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1375 dREQ;
889 1376
890 req->type = EIO_SYNC_FILE_RANGE; 1377 req->type = EIO_SYNC_FILE_RANGE;
891 req->sv1 = newSVsv (fh); 1378 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1379 req->int1 = fd;
893 req->offs = offset; 1380 req->offs = offset;
894 req->size = nbytes; 1381 req->size = nbytes;
895 req->int2 = flags; 1382 req->int2 = flags;
896 1383
897 REQ_SEND (req); 1384 REQ_SEND;
898} 1385}
899 1386
900void 1387void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 1388aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 1389 PPCODE:
904{ 1390{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 1391 int fd = s_fileno_croak (fh, 0);
907 dREQ; 1392 dREQ;
908 1393
909 if (close_pipe < 0) 1394 req->type = EIO_FALLOCATE;
1395 req->sv1 = newSVsv (fh);
1396 req->int1 = fd;
1397 req->int2 = mode;
1398 req->offs = offset;
1399 req->size = len;
1400
1401 REQ_SEND;
1402}
1403
1404void
1405aio_close (SV *fh, SV *callback = &PL_sv_undef)
1406 PPCODE:
1407{
1408 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1409 int fd = s_fileno_croak (fh, 0);
1410 dREQ;
1411
1412 if (expect_false (close_fd < 0))
910 { 1413 {
911 int pipefd [2]; 1414 int pipefd [2];
912 1415
1416 if (
1417#ifdef _WIN32
1418 _pipe (pipefd, 1, _O_BINARY) < 0
1419#else
913 if (pipe (pipefd) < 0 1420 pipe (pipefd) < 0
914 || close (pipefd [1]) < 0
915 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1421 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1422#endif
1423 || close (pipefd [1]) < 0
1424 )
916 abort (); /*D*/ 1425 abort (); /*D*/
917 1426
918 close_pipe = pipefd [0]; 1427 close_fd = pipefd [0];
919 } 1428 }
920 1429
921 req->type = EIO_DUP2; 1430 req->type = EIO_DUP2;
922 req->int1 = close_pipe; 1431 req->int1 = close_fd;
923 req->sv2 = newSVsv (fh); 1432 req->sv2 = newSVsv (fh);
924 req->int2 = fd; 1433 req->int2 = fd;
925 1434
926 REQ_SEND (req); 1435 REQ_SEND;
927} 1436}
928 1437
929void 1438void
1439aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1440 PPCODE:
1441{
1442 int fd = s_fileno_croak (fh, 0);
1443 dREQ;
1444
1445 req->type = EIO_SEEK;
1446 req->sv1 = newSVsv (fh);
1447 req->int1 = fd;
1448 req->offs = SvVAL64 (offset);
1449 req->int2 = whence;
1450
1451 REQ_SEND;
1452}
1453
1454void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1455aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
931 ALIAS: 1456 ALIAS:
932 aio_read = EIO_READ 1457 aio_read = EIO_READ
933 aio_write = EIO_WRITE 1458 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 1459 PPCODE:
936{ 1460{
937 STRLEN svlen; 1461 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1462 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 1463 char *svptr = SvPVbyte (data, svlen);
… …
952 len = svlen - dataoffset; 1476 len = svlen - dataoffset;
953 } 1477 }
954 else 1478 else
955 { 1479 {
956 /* read: check type and grow scalar as necessary */ 1480 /* read: check type and grow scalar as necessary */
957 SvUPGRADE (data, SVt_PV); 1481 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
958 svptr = SvGROW (data, len + dataoffset + 1); 1482 svptr = sv_grow (data, len + dataoffset + 1);
1483 else if (SvCUR (data) < len + dataoffset)
1484 croak ("length + dataoffset outside of scalar, and cannot grow");
959 } 1485 }
960 1486
961 { 1487 {
962 dREQ; 1488 dREQ;
963 1489
… …
979 REQ_SEND; 1505 REQ_SEND;
980 } 1506 }
981} 1507}
982 1508
983void 1509void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1510aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
985 PROTOTYPE: $$;$ 1511 ALIAS:
1512 aio_ioctl = EIO_IOCTL
1513 aio_fcntl = EIO_FCNTL
986 PPCODE: 1514 PPCODE:
987{ 1515{
988 SV *data; 1516 int fd = s_fileno_croak (fh, 0);
1517 char *svptr;
1518
1519 if (SvPOK (arg) || !SvNIOK (arg))
1520 {
1521 STRLEN svlen;
1522 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1523#ifdef IOCPARM_LEN
1524 STRLEN need = IOCPARM_LEN (request);
1525#else
1526 STRLEN need = 256;
1527#endif
1528
1529 if (svlen < need)
1530 svptr = SvGROW (arg, need);
1531 }
1532 else
1533 svptr = (char *)SvIV (arg);
1534
1535 {
1536 dREQ;
1537
1538 req->type = ix;
1539 req->sv1 = newSVsv (fh);
1540 req->int1 = fd;
1541 req->int2 = (long)request;
1542 req->sv2 = SvREFCNT_inc (arg);
1543 req->ptr2 = svptr;
1544
1545 REQ_SEND;
1546 }
1547}
1548
1549void
1550aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1551 ALIAS:
1552 aio_readlink = EIO_READLINK
1553 aio_realpath = EIO_REALPATH
1554 PPCODE:
1555{
989 dREQ; 1556 dREQ;
990 1557
991 req->type = EIO_READLINK; 1558 req->type = ix;
992 req->sv1 = newSVsv (path); 1559 req_set_path1 (req, pathname);
993 req->ptr1 = SvPVbyte_nolen (req->sv1);
994 1560
995 REQ_SEND; 1561 REQ_SEND;
996} 1562}
997 1563
998void 1564void
999aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1565aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1566 PPCODE:
1002{ 1567{
1003 int ifd = s_fileno_croak (in_fh , 0); 1568 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1569 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1570 dREQ;
1006 1571
1007 req->type = EIO_SENDFILE; 1572 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1573 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1574 req->int1 = ofd;
… …
1014 1579
1015 REQ_SEND; 1580 REQ_SEND;
1016} 1581}
1017 1582
1018void 1583void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1584aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1585 PPCODE:
1022{ 1586{
1023 int fd = s_fileno_croak (fh, 0); 1587 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1588 dREQ;
1025 1589
1026 req->type = EIO_READAHEAD; 1590 req->type = EIO_READAHEAD;
1027 req->sv1 = newSVsv (fh); 1591 req->sv1 = newSVsv (fh);
1028 req->int1 = fd; 1592 req->int1 = fd;
… …
1031 1595
1032 REQ_SEND; 1596 REQ_SEND;
1033} 1597}
1034 1598
1035void 1599void
1036aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1600aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1037 ALIAS: 1601 ALIAS:
1038 aio_stat = EIO_STAT 1602 aio_stat = EIO_STAT
1039 aio_lstat = EIO_LSTAT 1603 aio_lstat = EIO_LSTAT
1040 aio_statvfs = EIO_STATVFS 1604 aio_statvfs = EIO_STATVFS
1041 PPCODE: 1605 PPCODE:
1042{ 1606{
1043 dREQ; 1607 dREQ;
1044 1608
1045 req->sv1 = newSVsv (fh_or_path); 1609 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 1610
1058 REQ_SEND; 1611 REQ_SEND;
1059} 1612}
1060 1613
1614UV
1615major (UV dev)
1616 ALIAS:
1617 minor = 1
1618 CODE:
1619 RETVAL = ix ? minor (dev) : major (dev);
1620 OUTPUT:
1621 RETVAL
1622
1623UV
1624makedev (UV maj, UV min)
1625 CODE:
1626 RETVAL = makedev (maj, min);
1627 OUTPUT:
1628 RETVAL
1629
1061void 1630void
1062aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1631aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1063 PPCODE: 1632 PPCODE:
1064{ 1633{
1065 dREQ; 1634 dREQ;
1066 1635
1067 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1636 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1068 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1637 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1069 req->sv1 = newSVsv (fh_or_path); 1638 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 1639
1082 REQ_SEND; 1640 REQ_SEND;
1083} 1641}
1084 1642
1085void 1643void
1086aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1644aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1087 PPCODE: 1645 PPCODE:
1088{ 1646{
1089 dREQ; 1647 dREQ;
1090 1648
1091 req->sv1 = newSVsv (fh_or_path);
1092 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1649 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1093 1650 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 1651
1105 REQ_SEND; 1652 REQ_SEND;
1106} 1653}
1107 1654
1108void 1655void
1109aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1656aio_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: 1657 PPCODE:
1114{ 1658{
1115 dREQ; 1659 dREQ;
1116 1660
1117 req->int2 = mode; 1661 req->int2 = mode;
1118 req->sv1 = newSVsv (fh_or_path); 1662 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 1663
1131 REQ_SEND; 1664 REQ_SEND;
1132} 1665}
1133 1666
1134void 1667void
1135aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1668aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1136 PPCODE: 1669 PPCODE:
1137{ 1670{
1138 dREQ; 1671 dREQ;
1139 1672
1140 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1673 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1141 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1674 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1142 req->sv1 = newSVsv (fh_or_path); 1675 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 1676
1155 REQ_SEND; 1677 REQ_SEND;
1156} 1678}
1157 1679
1158void 1680void
1159aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1681aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1160 PPCODE: 1682 PPCODE:
1161{ 1683{
1162 dREQ; 1684 dREQ;
1163 1685
1164 req->type = EIO_READDIR; 1686 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; 1687 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1168 1688
1169 if (flags & EIO_READDIR_DENTS) 1689 if (flags & EIO_READDIR_DENTS)
1170 req->int1 |= EIO_READDIR_CUSTOM2; 1690 req->int1 |= EIO_READDIR_CUSTOM2;
1171 1691
1692 req_set_path1 (req, pathname);
1693
1172 REQ_SEND; 1694 REQ_SEND;
1173} 1695}
1174 1696
1175void 1697void
1698aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1699 PPCODE:
1700{
1701 dREQ;
1702
1703 req->type = EIO_MKDIR;
1704 req->int2 = mode;
1705 req_set_path1 (req, pathname);
1706
1707 REQ_SEND;
1708}
1709
1710void
1176aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1711aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1177 ALIAS: 1712 ALIAS:
1178 aio_unlink = EIO_UNLINK 1713 aio_unlink = EIO_UNLINK
1179 aio_rmdir = EIO_RMDIR 1714 aio_rmdir = EIO_RMDIR
1180 aio_readdir = EIO_READDIR 1715 aio_readdir = EIO_READDIR
1181 PPCODE: 1716 PPCODE:
1182{ 1717{
1183 dREQ; 1718 dREQ;
1184 1719
1185 req->type = ix; 1720 req->type = ix;
1186 req->sv1 = newSVsv (pathname); 1721 req_set_path1 (req, pathname);
1187 req->ptr1 = SvPVbyte_nolen (req->sv1);
1188 1722
1189 REQ_SEND; 1723 REQ_SEND;
1190} 1724}
1191 1725
1192void 1726void
1193aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1727aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1194 ALIAS: 1728 ALIAS:
1195 aio_link = EIO_LINK 1729 aio_link = EIO_LINK
1196 aio_symlink = EIO_SYMLINK 1730 aio_symlink = EIO_SYMLINK
1197 aio_rename = EIO_RENAME 1731 aio_rename = EIO_RENAME
1198 PPCODE: 1732 PPCODE:
1199{ 1733{
1734 eio_wd wd2 = 0;
1200 dREQ; 1735 dREQ;
1201 1736
1202 req->type = ix; 1737 req->type = ix;
1203 req->sv1 = newSVsv (oldpath); 1738 req_set_path1 (req, oldpath);
1204 req->ptr1 = SvPVbyte_nolen (req->sv1); 1739 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1205 req->sv2 = newSVsv (newpath); 1740 req->int3 = (long)wd2;
1206 req->ptr2 = SvPVbyte_nolen (req->sv2);
1207 1741
1208 REQ_SEND; 1742 REQ_SEND;
1209} 1743}
1210 1744
1211void 1745void
1746aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1747 PPCODE:
1748{
1749 eio_wd wd2 = 0;
1750 dREQ;
1751
1752 req->type = EIO_RENAME;
1753 req_set_path1 (req, oldpath);
1754 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1755 req->int2 = flags;
1756 req->int3 = (long)wd2;
1757
1758 REQ_SEND;
1759}
1760
1761void
1212aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1762aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1213 PPCODE: 1763 PPCODE:
1214{ 1764{
1215 dREQ; 1765 dREQ;
1216 1766
1217 req->type = EIO_MKNOD; 1767 req->type = EIO_MKNOD;
1218 req->sv1 = newSVsv (pathname);
1219 req->ptr1 = SvPVbyte_nolen (req->sv1);
1220 req->int2 = (mode_t)mode; 1768 req->int2 = (mode_t)mode;
1221 req->offs = dev; 1769 req->offs = dev;
1770 req_set_path1 (req, pathname);
1222 1771
1223 REQ_SEND; 1772 REQ_SEND;
1224} 1773}
1225 1774
1226void 1775void
1227aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1776aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1228 ALIAS: 1777 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1778 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1779 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1780 PPCODE:
1233{ 1781{
1234 STRLEN svlen; 1782 STRLEN svlen;
1783 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1784 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen); 1785
1786 if (flags < 0)
1787 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1237 1788
1238 if (offset < 0) 1789 if (offset < 0)
1239 offset += svlen; 1790 offset += svlen;
1240 1791
1241 if (offset < 0 || offset > svlen) 1792 if (offset < 0 || offset > svlen)
… …
1246 1797
1247 { 1798 {
1248 dREQ; 1799 dREQ;
1249 1800
1250 req->type = ix; 1801 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1802 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1803 req->ptr2 = (char *)svptr + offset;
1804 req->size = len;
1254 req->int1 = flags; 1805 req->int1 = flags;
1255 1806
1256 REQ_SEND; 1807 REQ_SEND;
1257 } 1808 }
1258} 1809}
1259 1810
1260void 1811void
1812aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1813 PPCODE:
1814{
1815 STRLEN svlen;
1816 char *svptr = SvPVbyte (data, svlen);
1817 UV len = SvUV (length);
1818
1819 if (offset < 0)
1820 offset += svlen;
1821
1822 if (offset < 0 || offset > svlen)
1823 croak ("offset outside of scalar");
1824
1825 if (!SvOK (length) || len + offset > svlen)
1826 len = svlen - offset;
1827
1828 {
1829 dREQ;
1830
1831 req->type = EIO_MLOCK;
1832 req->sv2 = SvREFCNT_inc (data);
1833 req->ptr2 = (char *)svptr + offset;
1834 req->size = len;
1835
1836 REQ_SEND;
1837 }
1838}
1839
1840void
1841aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1842 PPCODE:
1843{
1844 dREQ;
1845
1846 req->type = EIO_MLOCKALL;
1847 req->int1 = flags;
1848
1849 REQ_SEND;
1850}
1851
1852void
1853aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1854 PPCODE:
1855{
1856 int fd = s_fileno_croak (fh, 0);
1857 dREQ;
1858
1859 req->type = EIO_CUSTOM;
1860 req->sv1 = newSVsv (fh);
1861 req->int1 = fd;
1862
1863 req->feed = fiemap;
1864#if HAVE_FIEMAP
1865 /* keep our fingers crossed that the next two types are 64 bit */
1866 req->offs = start;
1867 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1868 req->int2 = flags;
1869 req->int3 = SvOK (count) ? SvIV (count) : -1;
1870#endif
1871
1872 REQ_SEND;
1873}
1874
1875void
1876aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1877 PPCODE:
1878{
1879 char *svptr = 0;
1880
1881 sv_clear_foreign (data);
1882
1883 if (length) /* known length, directly read into scalar */
1884 {
1885 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1886 svptr = sv_grow (data, length + 1);
1887 else if (SvCUR (data) < length)
1888 croak ("length outside of scalar, and cannot grow");
1889 else
1890 svptr = SvPVbyte_nolen (data);
1891 }
1892
1893 {
1894 dREQ;
1895
1896 req->type = EIO_SLURP;
1897 req_set_path1 (req, pathname);
1898 req->offs = offset;
1899 req->size = length;
1900 req->sv2 = SvREFCNT_inc (data);
1901 req->ptr2 = svptr;
1902
1903 if (!SvREADONLY (data))
1904 {
1905 SvREADONLY_on (data);
1906 req->flags |= FLAG_SV2_RO_OFF;
1907 }
1908
1909 REQ_SEND;
1910 }
1911}
1912
1913void
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1914aio_busy (double delay, SV *callback = &PL_sv_undef)
1262 PPCODE: 1915 PPCODE:
1263{ 1916{
1264 dREQ; 1917 dREQ;
1265 1918
1266 req->type = EIO_BUSY; 1919 req->type = EIO_BUSY;
… …
1268 1921
1269 REQ_SEND; 1922 REQ_SEND;
1270} 1923}
1271 1924
1272void 1925void
1273aio_group (SV *callback=&PL_sv_undef) 1926aio_group (SV *callback = &PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1927 PPCODE:
1276{ 1928{
1277 dREQ; 1929 dREQ;
1278 1930
1279 req->type = EIO_GROUP; 1931 req->type = EIO_GROUP;
1280 1932
1933 PUTBACK;
1281 req_submit (req); 1934 req_submit (req);
1935 SPAGAIN;
1936
1282 XPUSHs (req_sv (req, aio_grp_stash)); 1937 XPUSHs (req_sv (req, aio_grp_stash));
1283} 1938}
1284 1939
1285void 1940void
1286aio_nop (SV *callback=&PL_sv_undef) 1941aio_nop (SV *callback = &PL_sv_undef)
1287 ALIAS: 1942 ALIAS:
1288 aio_nop = EIO_NOP 1943 aio_nop = EIO_NOP
1289 aio_sync = EIO_SYNC 1944 aio_sync = EIO_SYNC
1290 PPCODE: 1945 PPCODE:
1291{ 1946{
… …
1295 1950
1296 REQ_SEND; 1951 REQ_SEND;
1297} 1952}
1298 1953
1299int 1954int
1300aioreq_pri (int pri = 0) 1955aioreq_pri (int pri = NO_INIT)
1301 PROTOTYPE: ;$
1302 CODE: 1956 CODE:
1303 RETVAL = next_pri; 1957 RETVAL = next_pri;
1304 if (items > 0) 1958 if (items > 0)
1305 { 1959 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1960 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1972 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1973 next_pri = nice;
1320 1974
1321void 1975void
1322flush () 1976flush ()
1323 PROTOTYPE:
1324 CODE: 1977 CODE:
1325 while (eio_nreqs ()) 1978 while (eio_nreqs ())
1326 { 1979 {
1327 poll_wait (); 1980 poll_wait ();
1328 poll_cb (); 1981 poll_cb ();
1329 } 1982 }
1330 1983
1331int 1984int
1332poll() 1985poll ()
1333 PROTOTYPE:
1334 CODE: 1986 CODE:
1335 poll_wait (); 1987 poll_wait ();
1336 RETVAL = poll_cb (); 1988 RETVAL = poll_cb ();
1337 OUTPUT: 1989 OUTPUT:
1338 RETVAL 1990 RETVAL
1339 1991
1340int 1992int
1341poll_fileno() 1993poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1994 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1995 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1996 OUTPUT:
1346 RETVAL 1997 RETVAL
1347 1998
1348int 1999int
1349poll_cb(...) 2000poll_cb (...)
1350 PROTOTYPE: 2001 PROTOTYPE:
1351 CODE: 2002 CODE:
1352 RETVAL = poll_cb (); 2003 RETVAL = poll_cb ();
1353 OUTPUT: 2004 OUTPUT:
1354 RETVAL 2005 RETVAL
1355 2006
1356void 2007void
1357poll_wait() 2008poll_wait ()
1358 PROTOTYPE:
1359 CODE: 2009 CODE:
1360 poll_wait (); 2010 poll_wait ();
1361 2011
1362int 2012int
1363nreqs() 2013nreqs ()
1364 PROTOTYPE:
1365 CODE: 2014 CODE:
1366 RETVAL = eio_nreqs (); 2015 RETVAL = eio_nreqs ();
1367 OUTPUT: 2016 OUTPUT:
1368 RETVAL 2017 RETVAL
1369 2018
1370int 2019int
1371nready() 2020nready ()
1372 PROTOTYPE:
1373 CODE: 2021 CODE:
1374 RETVAL = eio_nready (); 2022 RETVAL = eio_nready ();
1375 OUTPUT: 2023 OUTPUT:
1376 RETVAL 2024 RETVAL
1377 2025
1378int 2026int
1379npending() 2027npending ()
1380 PROTOTYPE:
1381 CODE: 2028 CODE:
1382 RETVAL = eio_npending (); 2029 RETVAL = eio_npending ();
1383 OUTPUT: 2030 OUTPUT:
1384 RETVAL 2031 RETVAL
1385 2032
1386int 2033int
1387nthreads() 2034nthreads ()
1388 PROTOTYPE:
1389 CODE: 2035 CODE:
1390 RETVAL = eio_nthreads (); 2036 RETVAL = eio_nthreads ();
1391 OUTPUT: 2037 OUTPUT:
1392 RETVAL 2038 RETVAL
1393 2039
1394int 2040int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2041fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 2042 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 2043 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 2044 OUTPUT:
1400 RETVAL 2045 RETVAL
1401 2046
1402ssize_t 2047IV
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2048sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 2049 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2050 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 2051 OUTPUT:
1408 RETVAL 2052 RETVAL
1409 2053
1410void 2054void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2055mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 2056 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 2057 sv_clear_foreign (scalar);
1415{ 2058{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2059 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2060 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1418 if (addr == (void *)-1) 2061 if (addr == (void *)-1)
1419 XSRETURN_NO; 2062 XSRETURN_NO;
1420 2063
1421 sv_force_normal (scalar); 2064 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1422
1423 /* we store the length in mg_obj, as namlen is I32 :/ */
1424 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1425 ->mg_obj = (SV *)length;
1426
1427 SvUPGRADE (scalar, SVt_PV); /* nop... */
1428 2065
1429 if (!(prot & PROT_WRITE)) 2066 if (!(prot & PROT_WRITE))
1430 SvREADONLY_on (scalar); 2067 SvREADONLY_on (scalar);
1431 2068
1432 if (SvLEN (scalar))
1433 Safefree (SvPVX (scalar));
1434
1435 SvPVX (scalar) = (char *)addr;
1436 SvCUR_set (scalar, length);
1437 SvLEN_set (scalar, 0);
1438 SvPOK_only (scalar);
1439
1440 XSRETURN_YES; 2069 XSRETURN_YES;
1441} 2070}
1442 2071
1443void 2072void
1444munmap (SV *scalar) 2073munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 2074 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 2075 sv_clear_foreign (scalar);
1448 2076
1449int 2077SV *
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 2078mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1451 PROTOTYPE: $$$$ 2079 CODE:
1452 CODE:
1453{ 2080{
1454 char *addr = SvPV_nolen (scalar) + offset; 2081 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2082 void *new;
1455 2083
1456 if (!SvOK (ST (2))) 2084 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1457 length = SvCUR (scalar) - offset; 2085 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1458 2086
1459 if (addr >= SvEND (scalar) || length <= 0) 2087 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1460 XSRETURN_EMPTY;
1461 2088
1462 RETVAL = posix_madvise (addr, length, advice); 2089 RETVAL = &PL_sv_no;
2090
2091 if (new != (void *)-1)
2092 {
2093 RETVAL = new == (void *)mg->mg_ptr
2094 ? newSVpvn ("0 but true", 10)
2095 : &PL_sv_yes;
2096
2097 mg->mg_ptr = (char *)new;
2098 mg->mg_obj = (SV *)new_length;
2099
2100 SvPVX (scalar) = mg->mg_ptr;
2101 SvCUR_set (scalar, new_length);
2102 }
1463} 2103}
1464 OUTPUT: 2104 OUTPUT:
1465 RETVAL 2105 RETVAL
1466 2106
1467int 2107int
1468mlockall (int flags) 2108madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2109 ALIAS:
2110 mprotect = 1
1470 CODE: 2111 CODE:
2112{
2113 STRLEN svlen;
2114 void *addr = SvPVbyte (scalar, svlen);
2115 STRLEN len = SvUV (length);
2116
2117 if (offset < 0)
2118 offset += svlen;
2119
2120 if (offset < 0 || offset > svlen)
2121 croak ("offset outside of scalar");
2122
2123 if (!SvOK (length) || len + offset > svlen)
2124 len = svlen - offset;
2125
2126 addr = (void *)(((intptr_t)addr) + offset);
2127 eio_page_align (&addr, &len);
2128
2129 switch (ix)
2130 {
2131 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2132 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2133 }
2134}
2135 OUTPUT:
2136 RETVAL
2137
2138int
2139munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2140 CODE:
2141{
2142 STRLEN svlen;
2143 void *addr = SvPVbyte (scalar, svlen);
2144 size_t len = SvUV (length);
2145
2146 if (offset < 0)
2147 offset += svlen;
2148
2149 if (offset < 0 || offset > svlen)
2150 croak ("offset outside of scalar");
2151
2152 if (!SvOK (length) || len + offset > svlen)
2153 len = svlen - offset;
2154
2155 addr = (void *)(((intptr_t)addr) + offset);
2156 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2157#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2158 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 2159#else
1478 RETVAL = -1; 2160 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2161#endif
2162}
1481 OUTPUT: 2163 OUTPUT:
1482 RETVAL 2164 RETVAL
1483 2165
1484int 2166int
1485munlockall () 2167munlockall ()
1486 PROTOTYPE:
1487 CODE: 2168 CODE:
1488#if _POSIX_MEMLOCK 2169#if _POSIX_MEMLOCK
1489 munlockall (); 2170 munlockall ();
1490#else 2171#else
1491 RETVAL = -1; 2172 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2173#endif
1494 OUTPUT: 2174 OUTPUT:
1495 RETVAL 2175 RETVAL
2176
2177int
2178splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2179 CODE:
2180{
2181#if HAVE_LINUX_SPLICE
2182 loff_t off_in_, off_out_;
2183 RETVAL = splice (
2184 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2185 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2186 length, flags
2187 );
2188#else
2189 RETVAL = EIO_ENOSYS ();
2190#endif
2191}
2192 OUTPUT:
2193 RETVAL
2194
2195int
2196tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2197 CODE:
2198#if HAVE_LINUX_SPLICE
2199 RETVAL = tee (rfh, wfh, length, flags);
2200#else
2201 RETVAL = EIO_ENOSYS ();
2202#endif
2203 OUTPUT:
2204 RETVAL
2205
2206int
2207pipesize (aio_rfd rfh, int new_size = -1)
2208 PROTOTYPE: $;$
2209 CODE:
2210#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2211 if (new_size >= 0)
2212 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2213 else
2214 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2215#else
2216 errno = ENOSYS;
2217 RETVAL = -1;
2218#endif
2219 OUTPUT:
2220 RETVAL
2221
2222void
2223pipe2 (int flags = 0)
2224 PROTOTYPE: ;$
2225 PPCODE:
2226{
2227 int fd[2];
2228 int res;
2229
2230 if (flags)
2231#if HAVE_PIPE2
2232 res = pipe2 (fd, flags);
2233#else
2234 res = (errno = ENOSYS, -1);
2235#endif
2236 else
2237 res = pipe (fd);
2238
2239 if (!res)
2240 {
2241 EXTEND (SP, 2);
2242 PUSHs (newmortalFH (fd[0], O_RDONLY));
2243 PUSHs (newmortalFH (fd[1], O_WRONLY));
2244 }
2245}
2246
2247void
2248eventfd (unsigned int initval = 0, int flags = 0)
2249 PPCODE:
2250{
2251 int fd;
2252#if HAVE_EVENTFD
2253 fd = eventfd (initval, flags);
2254#else
2255 fd = (errno = ENOSYS, -1);
2256#endif
2257
2258 XPUSHs (newmortalFH (fd, O_RDWR));
2259}
2260
2261void
2262timerfd_create (int clockid, int flags = 0)
2263 PPCODE:
2264{
2265 int fd;
2266#if HAVE_TIMERFD
2267 fd = timerfd_create (clockid, flags);
2268#else
2269 fd = (errno = ENOSYS, -1);
2270#endif
2271
2272 XPUSHs (newmortalFH (fd, O_RDWR));
2273}
2274
2275void
2276timerfd_settime (SV *fh, int flags, NV interval, NV value)
2277 PPCODE:
2278{
2279 int fd = s_fileno_croak (fh, 0);
2280#if HAVE_TIMERFD
2281 int res;
2282 struct itimerspec its, ots;
2283
2284 ts_set (&its.it_interval, interval);
2285 ts_set (&its.it_value , value);
2286 res = timerfd_settime (fd, flags, &its, &ots);
2287
2288 if (!res)
2289 {
2290 EXTEND (SP, 2);
2291 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2292 PUSHs (newSVnv (ts_get (&ots.it_value)));
2293 }
2294#else
2295 errno = ENOSYS;
2296#endif
2297}
2298
2299void
2300timerfd_gettime (SV *fh)
2301 PPCODE:
2302{
2303 int fd = s_fileno_croak (fh, 0);
2304#if HAVE_TIMERFD
2305 int res;
2306 struct itimerspec ots;
2307 res = timerfd_gettime (fd, &ots);
2308
2309 if (!res)
2310 {
2311 EXTEND (SP, 2);
2312 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2313 PUSHs (newSVnv (ts_get (&ots.it_value)));
2314 }
2315#else
2316 errno = ENOSYS;
2317#endif
2318}
2319
2320UV
2321get_fdlimit ()
2322 CODE:
2323#if HAVE_RLIMITS
2324 struct rlimit rl;
2325 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2326 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2327#endif
2328 XSRETURN_UNDEF;
2329 OUTPUT:
2330 RETVAL
2331
2332void
2333min_fdlimit (UV limit = 0x7fffffffU)
2334 CODE:
2335{
2336#if HAVE_RLIMITS
2337 struct rlimit rl;
2338 rlim_t orig_rlim_max;
2339 UV bit;
2340
2341 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2342 goto fail;
2343
2344 if (rl.rlim_cur == RLIM_INFINITY)
2345 XSRETURN_YES;
2346
2347 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2348
2349 if (rl.rlim_cur < limit)
2350 {
2351 rl.rlim_cur = limit;
2352
2353 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2354 rl.rlim_max = rl.rlim_cur;
2355 }
2356
2357 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2358 XSRETURN_YES;
2359
2360 if (errno == EPERM)
2361 {
2362 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2363 /* our limit overflows a system-wide limit */
2364 /* try an adaptive algorithm, but do not lower the hardlimit */
2365 rl.rlim_max = 0;
2366 for (bit = 0x40000000U; bit; bit >>= 1)
2367 {
2368 rl.rlim_max |= bit;
2369 rl.rlim_cur = rl.rlim_max;
2370
2371 /* nevr decrease the hard limit */
2372 if (rl.rlim_max < orig_rlim_max)
2373 break;
2374
2375 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2376 rl.rlim_max &= ~bit; /* too high, remove bit again */
2377 }
2378
2379 /* now, raise the soft limit to the max permitted */
2380 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2381 {
2382 rl.rlim_cur = rl.rlim_max;
2383 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2384 errno = EPERM;
2385 }
2386 }
2387#endif
2388 fail:
2389 XSRETURN_UNDEF;
2390}
1496 2391
1497void _on_next_submit (SV *cb) 2392void _on_next_submit (SV *cb)
1498 CODE: 2393 CODE:
1499 SvREFCNT_dec (on_next_submit); 2394 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2395 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2396
1502PROTOTYPES: DISABLE 2397PROTOTYPES: DISABLE
1503 2398
2399MODULE = IO::AIO PACKAGE = IO::AIO::WD
2400
2401BOOT:
2402{
2403 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2404 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2405}
2406
2407void
2408DESTROY (SV *self)
2409 CODE:
2410{
2411 aio_wd wd = SvAIO_WD (self);
2412#if HAVE_AT
2413 {
2414 SV *callback = &PL_sv_undef;
2415 dREQ; /* clobbers next_pri :/ */
2416 next_pri = req->pri; /* restore next_pri */
2417 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2418 req->type = EIO_WD_CLOSE;
2419 req->wd = wd;
2420 REQ_SEND;
2421 }
2422#else
2423 eio_wd_close_sync (wd);
2424#endif
2425}
2426
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2427MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2428
1506void 2429void
1507cancel (aio_req_ornot req) 2430cancel (aio_req_ornot req)
1508 CODE: 2431 CODE:
1509 eio_cancel (req); 2432 eio_cancel (req);
1510 2433
1511void 2434void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2435cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2436 PPCODE:
1514{ 2437{
1515 if (GIMME_V != G_VOID) 2438 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2439 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2440
1518 if (items > 1) 2441 if (items > 1)
1519 { 2442 {
1520 SV *cb_cv =get_cb (callback); 2443 SV *cb_cv = get_cb (callback);
1521 2444
1522 SvREFCNT_dec (req->callback); 2445 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2446 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2447 }
1525} 2448}
… …
1582limit (aio_req grp, int limit) 2505limit (aio_req grp, int limit)
1583 CODE: 2506 CODE:
1584 eio_grp_limit (grp, limit); 2507 eio_grp_limit (grp, limit);
1585 2508
1586void 2509void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2510feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2511 CODE:
1589{ 2512{
1590 SvREFCNT_dec (grp->sv2); 2513 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2514 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2515 grp->feed = aio_grp_feed;

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