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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 2010 UTC vs.
Revision 1.264 by root, Tue Aug 14 11:44:52 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 19#include <limits.h>
18#include <fcntl.h> 20#include <fcntl.h>
19#include <sched.h> 21#include <sched.h>
20 22
23#if HAVE_SYS_SYSMACROS_H
24# include <sys/sysmacros.h>
25#endif
26
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 27#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 28# include <sys/mman.h>
29#endif
30
31/* the incompetent fool that created musl keeps __linux__, refuses
32 * to implement any linux standard apis, and also has no way to test
33 * for his broken iplementation. don't complain to me if this fails
34 * for you.
35 */
36#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
37# include <linux/fs.h>
38# ifdef FS_IOC_FIEMAP
39# include <linux/types.h>
40# include <linux/fiemap.h>
41# define HAVE_FIEMAP 1
42# endif
23#endif 43#endif
24 44
25/* perl namespace pollution */ 45/* perl namespace pollution */
26#undef VERSION 46#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 47
77/* perl stupidly overrides readdir and maybe others */ 48/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 49/* with thread-unsafe versions, imagine that :( */
79#undef readdir 50#undef readdir
80#undef opendir 51#undef opendir
81#undef closedir 52#undef closedir
82 53
54#ifdef _WIN32
55
56 // perl overrides all those nice libc functions
57
58 #undef malloc
59 #undef free
60 #undef open
61 #undef read
62 #undef write
63 #undef send
64 #undef recv
65 #undef stat
66 #undef lstat
67 #undef fstat
68 #undef truncate
69 #undef ftruncate
70 #undef open
71 #undef link
72 #undef close
73 #undef unlink
74 #undef mkdir
75 #undef rmdir
76 #undef rename
77 #undef lseek
78 #undef opendir
79 #undef readdir
80 #undef closedir
81 #undef chmod
82 #undef fchmod
83 #undef dup
84 #undef dup2
85 #undef abort
86 #undef pipe
87
88 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 89 #define EIO_STRUCT_STATI64
84 90
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 91#else
91# define VAL64 NV 92
92# define SvVAL64 SvNV 93 #include <sys/time.h>
93# define newSVval64 newSVnv 94 #include <sys/select.h>
95 #include <unistd.h>
96 #include <utime.h>
97 #include <signal.h>
98
99 #define EIO_STRUCT_STAT Stat_t
100
94#endif 101#endif
95 102
96/*****************************************************************************/ 103/*****************************************************************************/
97 104
98#if __GNUC__ >= 3 105#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 111#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 112#define expect_true(expr) expect ((expr) != 0, 1)
106 113
107/*****************************************************************************/ 114/*****************************************************************************/
108 115
116#include "config.h"
117
118#if HAVE_ST_XTIMENSEC
119# define ATIMENSEC PL_statcache.st_atimensec
120# define MTIMENSEC PL_statcache.st_mtimensec
121# define CTIMENSEC PL_statcache.st_ctimensec
122#elif HAVE_ST_XTIMESPEC
123# define ATIMENSEC PL_statcache.st_atim.tv_nsec
124# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
125# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
126#else
127# define ATIMENSEC 0
128# define MTIMENSEC 0
129# define CTIMENSEC 0
130#endif
131
132#include "schmorp.h"
133
134#if HAVE_EVENTFD
135# include <sys/eventfd.h>
136#endif
137
138#if HAVE_TIMERFD
139# include <sys/timerfd.h>
140#endif
141
142#if HAVE_RLIMITS
143 #include <sys/time.h>
144 #include <sys/resource.h>
145#endif
146
109typedef SV SV8; /* byte-sv, used for argument-checking */ 147typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 148typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 149typedef int aio_wfd; /* write file descriptor */
112 150
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 151static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 152
115#define EIO_REQ_MEMBERS \ 153#define EIO_REQ_MEMBERS \
116 SV *callback; \ 154 SV *callback; \
117 SV *sv1, *sv2; \ 155 SV *sv1, *sv2; \
156 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 157 STRLEN stroffset; \
119 SV *self; 158 SV *self;
120 159
121#define EIO_NO_WRAPPERS 1 160#define EIO_NO_WRAPPERS 1
122 161
123#include "libeio/eio.h" 162#include "libeio/eio.h"
124 163
125#ifndef POSIX_FADV_NORMAL 164static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 165#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 166static void req_destroy (eio_req *grp);
128#endif 167#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
144 168
145#ifndef ST_NODEV 169#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 170
176#ifndef MCL_CURRENT 171#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 172# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 173#endif
179#ifndef MCL_FUTURE 174
180# define MCL_FUTURE 0 175#if !HAVE_POSIX_MADVISE
176# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 177#endif
182 178
183#ifndef MAP_ANONYMOUS 179#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 180# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 181# define MAP_ANONYMOUS MAP_ANON
186# else 182# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 183# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 184# endif
189#endif 185#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 186
206#ifndef PAGESIZE 187#ifndef makedev
188# define makedev(maj,min) (((maj) << 8) | (min))
189#endif
190#ifndef major
191# define major(dev) ((dev) >> 8)
192#endif
193#ifndef minor
194# define minor(dev) ((dev) & 0xff)
195#endif
196
197#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 198# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 199#endif
209 200
210static int req_invoke (eio_req *req); 201/*****************************************************************************/
211#define EIO_FINISH(req) req_invoke (req) 202
212static void req_destroy (eio_req *grp); 203#if !_POSIX_MAPPED_FILES
213#define EIO_DESTROY(req) req_destroy (req) 204# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
205# define munmap(addr,length) EIO_ENOSYS ()
206#endif
207
208#if !_POSIX_MEMORY_PROTECTION
209# define mprotect(addr,len,prot) EIO_ENOSYS ()
210#endif
211
212#if !MREMAP_MAYMOVE
213# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
214#endif
215
216#define FOREIGN_MAGIC PERL_MAGIC_ext
217
218static int ecb_cold
219mmap_free (pTHX_ SV *sv, MAGIC *mg)
220{
221 int old_errno = errno;
222 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
223 errno = old_errno;
224
225 mg->mg_obj = 0; /* just in case */
226
227 SvREADONLY_off (sv);
228
229 if (SvPVX (sv) != mg->mg_ptr)
230 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
231
232 SvCUR_set (sv, 0);
233 SvPVX (sv) = 0;
234 SvOK_off (sv);
235
236 return 0;
237}
238
239static MGVTBL mmap_vtbl = {
240 0, 0, 0, 0, mmap_free
241};
242
243static int ecb_cold
244sysfree_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 free (mg->mg_ptr);
247 mg->mg_obj = 0; /* just in case */
248
249 SvREADONLY_off (sv);
250
251 if (SvPVX (sv) != mg->mg_ptr)
252 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
253
254 SvCUR_set (sv, 0);
255 SvPVX (sv) = 0;
256 SvOK_off (sv);
257
258 return 0;
259}
260
261static MGVTBL sysfree_vtbl = {
262 0, 0, 0, 0, sysfree_free
263};
264
265/*****************************************************************************/
266
267/* helper: set scalar to foreign ptr with custom free */
268static void
269sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
270{
271 sv_force_normal (sv);
272
273 /* we store the length in mg_obj, as namlen is I32 :/ */
274 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
275 ->mg_obj = (SV *)length;
276
277 SvUPGRADE (sv, SVt_PV); /* nop... */
278
279 if (SvLEN (sv))
280 Safefree (SvPVX (sv));
281
282 SvPVX (sv) = (char *)addr;
283 SvCUR_set (sv, length);
284 SvLEN_set (sv, 0);
285 SvPOK_only (sv);
286}
287
288static void
289sv_clear_foreign (SV *sv)
290{
291 /* todo: iterate over magic and only free ours, but of course */
292 /* the perl5porters will call that (correct) behaviour buggy */
293 sv_unmagic (sv, FOREIGN_MAGIC);
294}
295
296/*****************************************************************************/
297
298/* defines all sorts of constants to 0 unless they are already defined */
299/* also provides const_iv_ and const_niv_ macros for them */
300#include "def0.h"
301
302/*****************************************************************************/
303
304static void
305fiemap (eio_req *req)
306{
307 req->result = -1;
308
309#if HAVE_FIEMAP
310 /* assume some c99 */
311 struct fiemap *fiemap = 0;
312 size_t end_offset;
313 int count = req->int3;
314
315 req->flags |= EIO_FLAG_PTR1_FREE;
316
317 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
318 /* increase in 3.5kb steps */
319 if (count < 0)
320 count = 8;
321
322 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
323 errno = ENOMEM;
324 if (!fiemap)
325 return;
326
327 req->ptr1 = fiemap;
328
329 fiemap->fm_start = req->offs;
330 fiemap->fm_length = req->size;
331 fiemap->fm_flags = req->int2;
332 fiemap->fm_extent_count = count;
333
334 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
335 return;
336
337 if (req->int3 >= 0 /* not autosizing */
338 || !fiemap->fm_mapped_extents /* no more extents */
339 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
340 goto done;
341
342 /* else we have to loop -
343 * it would be tempting (actually I tried that first) to just query the
344 * number of extents needed, but linux often feels like not returning all
345 * extents, without telling us it left any out. this complicates
346 * this quite a bit.
347 */
348
349 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
350
351 for (;;)
352 {
353 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
354 char scratch[3072];
355 struct fiemap *incmap = (struct fiemap *)scratch;
356
357 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
358 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
359 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
360 incmap->fm_flags = fiemap->fm_flags;
361 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
362
363 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
364 return;
365
366 if (!incmap->fm_mapped_extents)
367 goto done;
368
369 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
370 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
371 errno = ENOMEM;
372 if (!fiemap)
373 return;
374
375 req->ptr1 = fiemap;
376
377 for (count = 0; count < incmap->fm_mapped_extents; ++count)
378 {
379 struct fiemap_extent *e = incmap->fm_extents + count;
380
381 if (e->fe_logical + e->fe_length >= end_offset)
382 goto done;
383
384 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
385
386 if (e->fe_flags & FIEMAP_EXTENT_LAST)
387 goto done;
388
389 }
390 }
391
392done:
393 req->result = 0;
394
395#else
396 errno = ENOSYS;
397#endif
398}
399
400/*****************************************************************************/
214 401
215enum { 402enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 403 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 404};
218 405
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 406typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 407typedef eio_req *aio_req_ornot;
408typedef eio_wd aio_wd;
223 409
224static SV *on_next_submit; 410static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 411static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 412static int max_outstanding;
227 413
228static s_epipe respipe; 414static s_epipe respipe;
229 415
230static void req_destroy (aio_req req); 416static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 417static void req_cancel (aio_req req);
232 418
233static void want_poll (void) 419static void
420want_poll (void)
234{ 421{
235 /* write a dummy byte to the pipe so fh becomes ready */ 422 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 423 s_epipe_signal (&respipe);
237} 424}
238 425
239static void done_poll (void) 426static void
427done_poll (void)
240{ 428{
241 /* read any signals sent by the worker threads */ 429 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 430 s_epipe_drain (&respipe);
243} 431}
244 432
245/* must be called at most once */ 433/* must be called at most once */
434static SV *
246static SV *req_sv (aio_req req, HV *stash) 435req_sv (aio_req req, HV *stash)
247{ 436{
248 if (!req->self) 437 if (!req->self)
249 { 438 {
250 req->self = (SV *)newHV (); 439 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 440 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 441 }
253 442
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 443 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 444}
256 445
257static aio_req SvAIO_REQ (SV *sv) 446static SV *
447newSVaio_wd (aio_wd wd)
448{
449 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
450}
451
452static aio_req
453SvAIO_REQ (SV *sv)
258{ 454{
259 MAGIC *mg; 455 MAGIC *mg;
260 456
261 if (!SvROK (sv) 457 if (!SvROK (sv)
458 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 459 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 460 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 461 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 462 croak ("object of class IO::AIO::REQ expected");
266 463
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 464 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 465
269 return mg ? (aio_req)mg->mg_ptr : 0; 466 return mg ? (aio_req)mg->mg_ptr : 0;
270} 467}
271 468
469static aio_wd
470SvAIO_WD (SV *sv)
471{
472 if (!SvROK (sv)
473 || SvTYPE (SvRV (sv)) != SVt_PVMG
474 || SvSTASH (SvRV (sv)) != aio_wd_stash)
475 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
476
477 return (aio_wd)(long)SvIVX (SvRV (sv));
478}
479
480static SV *
481newmortalFH (int fd, int flags)
482{
483 if (fd < 0)
484 return &PL_sv_undef;
485
486 GV *gv = (GV *)sv_newmortal ();
487 char sym[64];
488 int symlen;
489
490 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
491 gv_init (gv, aio_stash, sym, symlen, 0);
492
493 symlen = snprintf (
494 sym,
495 sizeof (sym),
496 "%s&=%d",
497 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
498 fd
499 );
500
501 return do_open (gv, sym, symlen, 0, 0, 0, 0)
502 ? (SV *)gv : &PL_sv_undef;
503}
504
505static void
272static void aio_grp_feed (aio_req grp) 506aio_grp_feed (aio_req grp)
273{ 507{
274 if (grp->sv2 && SvOK (grp->sv2)) 508 if (grp->sv2 && SvOK (grp->sv2))
275 { 509 {
276 dSP; 510 dSP;
277 511
… …
285 FREETMPS; 519 FREETMPS;
286 LEAVE; 520 LEAVE;
287 } 521 }
288} 522}
289 523
524static void
290static void req_submit (eio_req *req) 525req_submit (eio_req *req)
291{ 526{
292 eio_submit (req); 527 eio_submit (req);
293 528
294 if (expect_false (on_next_submit)) 529 if (expect_false (on_next_submit))
295 { 530 {
… …
302 PUTBACK; 537 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 538 call_sv (cb, G_DISCARD | G_EVAL);
304 } 539 }
305} 540}
306 541
542static int
307static int req_invoke (eio_req *req) 543req_invoke (eio_req *req)
308{ 544{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 545 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 546 SvREADONLY_off (req->sv2);
313 547
314 if (!EIO_CANCELLED (req) && req->callback) 548 if (!EIO_CANCELLED (req) && req->callback)
315 { 549 {
550 dSP;
551 static SV *sv_result_cache; /* caches the result integer SV */
552 SV *sv_result;
553
316 ENTER; 554 ENTER;
317 SAVETMPS; 555 SAVETMPS;
318 PUSHMARK (SP); 556 PUSHMARK (SP);
319 EXTEND (SP, 1); 557 EXTEND (SP, 1);
320 558
559 /* do not recreate the result IV from scratch each time */
560 if (expect_true (sv_result_cache))
561 {
562 sv_result = sv_result_cache; sv_result_cache = 0;
563 SvIV_set (sv_result, req->result);
564 SvIOK_only (sv_result);
565 }
566 else
567 {
568 sv_result = newSViv (req->result);
569 SvREADONLY_on (sv_result);
570 }
571
321 switch (req->type) 572 switch (req->type)
322 { 573 {
574 case EIO_WD_OPEN:
575 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
576 break;
577
323 case EIO_READDIR: 578 case EIO_READDIR:
324 { 579 {
325 SV *rv = &PL_sv_undef; 580 SV *rv = &PL_sv_undef;
326 581
327 if (req->result >= 0) 582 if (req->result >= 0)
… …
380 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 635 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
381 } 636 }
382 break; 637 break;
383 638
384 case EIO_OPEN: 639 case EIO_OPEN:
385 { 640 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
386 /* convert fd to fh */
387 SV *fh = &PL_sv_undef;
388
389 if (req->result >= 0)
390 {
391 GV *gv = (GV *)sv_newmortal ();
392 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
393 char sym [64];
394 int symlen;
395
396 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
397 gv_init (gv, aio_stash, sym, symlen, 0);
398
399 symlen = snprintf (
400 sym,
401 sizeof (sym),
402 "%s&=%d",
403 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
404 (int)req->result
405 );
406
407 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
408 fh = (SV *)gv;
409 }
410
411 PUSHs (fh);
412 }
413 break; 641 break;
414 642
415 case EIO_STATVFS: 643 case EIO_STATVFS:
416 case EIO_FSTATVFS: 644 case EIO_FSTATVFS:
417 { 645 {
418 SV *rv = &PL_sv_undef; 646 SV *rv = &PL_sv_undef;
419 647
648#ifndef _WIN32
420 if (req->result >= 0) 649 if (req->result >= 0)
421 { 650 {
422 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 651 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
423 HV *hv = newHV (); 652 HV *hv = newHV ();
653 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
654 * chooses to make it a struct.
655 */
656 unsigned long fsid = 0;
657 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
424 658
425 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 659 rv = sv_2mortal (newRV_noinc ((SV *)hv));
426 660
427 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 661 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
428 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 662 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
430 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 664 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
431 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 665 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
432 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 666 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
433 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 667 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
434 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 668 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
435 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 669 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
436 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 670 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
437 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 671 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
438 } 672 }
673#endif
439 674
440 PUSHs (rv); 675 PUSHs (rv);
441 } 676 }
442 677
443 break; 678 break;
… …
459 case EIO_NOP: 694 case EIO_NOP:
460 case EIO_BUSY: 695 case EIO_BUSY:
461 break; 696 break;
462 697
463 case EIO_READLINK: 698 case EIO_READLINK:
699 case EIO_REALPATH:
464 if (req->result > 0) 700 if (req->result > 0)
465 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 701 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
466 break; 702 break;
467 703
468 case EIO_STAT: 704 case EIO_STAT:
469 case EIO_LSTAT: 705 case EIO_LSTAT:
470 case EIO_FSTAT: 706 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 707 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
708
472 PL_laststatval = req->result; 709 if (!(PL_laststatval = req->result))
710 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 711 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 712
713 PUSHs (sv_result);
714 break;
715
716 case EIO_SEEK:
717 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
475 break; 718 break;
476 719
477 case EIO_READ: 720 case EIO_READ:
478 { 721 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 722 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 723 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 724 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 725 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 726 PUSHs (sv_result);
484 } 727 }
485 break; 728 break;
486 729
487 case EIO_DUP2: 730 case EIO_SLURP:
731 {
732 if (req->result >= 0)
733 {
734 /* if length was originally not known, we steal the malloc'ed memory */
735 if (req->flags & EIO_FLAG_PTR2_FREE)
736 {
737 req->flags &= ~EIO_FLAG_PTR2_FREE;
738 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
739 }
740 else
741 {
742 SvCUR_set (req->sv2, req->result);
743 *SvEND (req->sv2) = 0;
744 SvPOK_only (req->sv2);
745 }
746
747 SvSETMAGIC (req->sv2);
748 }
749
750 PUSHs (sv_result);
751 }
752 break;
753
754 case EIO_CUSTOM:
755 if (req->feed == fiemap)
756 {
757#if HAVE_FIEMAP
758 if (!req->result)
759 {
760 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
761
762 if (fiemap->fm_extent_count)
763 {
764 AV *av = newAV ();
765 int i;
766
767 while (fiemap->fm_mapped_extents)
768 {
769 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
770 AV *ext_av = newAV ();
771
772 av_store (ext_av, 3, newSVuv (extent->fe_flags));
773 av_store (ext_av, 2, newSVval64 (extent->fe_length));
774 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
775 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
776
777 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
778 }
779
780 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
781 }
782 else
783 {
784 SvIV_set (sv_result, fiemap->fm_mapped_extents);
785 PUSHs (sv_result);
786 }
787 }
788#endif
789 }
790 else
791 PUSHs (sv_result);
792 break;
793
794 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 795 if (req->result > 0)
489 req->result = 0; 796 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 797 /* FALLTHROUGH */
491 798
492 default: 799 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 800 PUSHs (sv_result);
494 break; 801 break;
495 } 802 }
496 803
497 errno = req->errorno; 804 errno = req->errorno;
498 805
499 PUTBACK; 806 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 807 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 808 SPAGAIN;
502 809
810 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
811 SvREFCNT_dec (sv_result);
812 else
813 sv_result_cache = sv_result;
814
503 FREETMPS; 815 FREETMPS;
504 LEAVE; 816 LEAVE;
505 817
506 PUTBACK; 818 PUTBACK;
507 } 819 }
508 820
509 return !!SvTRUE (ERRSV); 821 return !!SvTRUE (ERRSV);
510} 822}
511 823
824static void
512static void req_destroy (aio_req req) 825req_destroy (aio_req req)
513{ 826{
514 if (req->self) 827 if (req->self)
515 { 828 {
516 sv_unmagic (req->self, PERL_MAGIC_ext); 829 sv_unmagic (req->self, PERL_MAGIC_ext);
517 SvREFCNT_dec (req->self); 830 SvREFCNT_dec (req->self);
518 } 831 }
519 832
520 SvREFCNT_dec (req->sv1); 833 SvREFCNT_dec (req->sv1);
521 SvREFCNT_dec (req->sv2); 834 SvREFCNT_dec (req->sv2);
835 SvREFCNT_dec (req->sv3);
836 SvREFCNT_dec (req->sv4);
522 SvREFCNT_dec (req->callback); 837 SvREFCNT_dec (req->callback);
523 838
524 Safefree (req); 839 free (req);
525} 840}
526 841
842static void
527static void req_cancel_subs (aio_req grp) 843req_cancel_subs (aio_req grp)
528{ 844{
529 aio_req sub;
530
531 if (grp->type != EIO_GROUP) 845 if (grp->type != EIO_GROUP)
532 return; 846 return;
533 847
534 SvREFCNT_dec (grp->sv2); 848 SvREFCNT_dec (grp->sv2);
535 grp->sv2 = 0; 849 grp->sv2 = 0;
536 850
537 eio_grp_cancel (grp); 851 eio_grp_cancel (grp);
538} 852}
539 853
540static void 854static void ecb_cold
541create_respipe (void) 855create_respipe (void)
542{ 856{
543 if (s_epipe_renew (&respipe)) 857 if (s_epipe_renew (&respipe))
544 croak ("IO::AIO: unable to initialize result pipe"); 858 croak ("IO::AIO: unable to initialize result pipe");
545} 859}
546 860
547static void poll_wait (void) 861static void
862poll_wait (void)
548{ 863{
549 while (eio_nreqs ()) 864 while (eio_nreqs ())
550 { 865 {
551 int size; 866 int size;
552 867
553 X_LOCK (reslock); 868 X_LOCK (EIO_POOL->reslock);
554 size = res_queue.size; 869 size = EIO_POOL->res_queue.size;
555 X_UNLOCK (reslock); 870 X_UNLOCK (EIO_POOL->reslock);
556 871
557 if (size) 872 if (size)
558 return; 873 return;
559 874
560 etp_maybe_start_thread (); 875 etp_maybe_start_thread (EIO_POOL);
561 876
562 s_epipe_wait (&respipe); 877 s_epipe_wait (&respipe);
563 } 878 }
564} 879}
565 880
566static int poll_cb (void) 881static int
882poll_cb (void)
567{ 883{
568 for (;;) 884 for (;;)
569 { 885 {
570 int res = eio_poll (); 886 int res = eio_poll ();
571 887
… …
577 893
578 poll_wait (); 894 poll_wait ();
579 } 895 }
580} 896}
581 897
582static void atfork_child (void) 898static void ecb_cold
899reinit (void)
583{ 900{
584 create_respipe (); 901 create_respipe ();
585}
586 902
587/*****************************************************************************/ 903 if (eio_init (want_poll, done_poll) < 0)
588 904 croak ("IO::AIO: unable to initialise eio library");
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612} 905}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617 906
618/*****************************************************************************/ 907/*****************************************************************************/
619 908
620static SV * 909static SV *
621get_cb (SV *cb_sv) 910get_cb (SV *cb_sv)
622{ 911{
623 SvGETMAGIC (cb_sv); 912 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 913 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 914}
626 915
916static aio_req ecb_noinline
917dreq (SV *callback)
918{
919 SV *cb_cv;
920 aio_req req;
921 int req_pri = next_pri;
922 next_pri = EIO_PRI_DEFAULT;
923
924 cb_cv = get_cb (callback);
925
926 req = calloc (sizeof (*req), 1);
927 if (!req)
928 croak ("out of memory during eio_req allocation");
929
930 req->callback = SvREFCNT_inc (cb_cv);
931 req->pri = req_pri;
932
933 return req;
934}
935
627#define dREQ \ 936#define dREQ \
628 SV *cb_cv; \ 937 aio_req req = dreq (callback); \
629 aio_req req; \
630 int req_pri = next_pri; \
631 next_pri = EIO_PRI_DEFAULT; \
632 \
633 cb_cv = get_cb (callback); \
634 \
635 Newz (0, req, 1, eio_req); \
636 if (!req) \
637 croak ("out of memory during eio_req allocation"); \
638 \
639 req->callback = SvREFCNT_inc (cb_cv); \
640 req->pri = req_pri
641 938
642#define REQ_SEND \ 939#define REQ_SEND \
643 PUTBACK; \ 940 PUTBACK; \
644 req_submit (req); \ 941 req_submit (req); \
645 SPAGAIN; \ 942 SPAGAIN; \
646 \ 943 \
647 if (GIMME_V != G_VOID) \ 944 if (GIMME_V != G_VOID) \
648 XPUSHs (req_sv (req, aio_req_stash)); 945 XPUSHs (req_sv (req, aio_req_stash));
649 946
947ecb_inline void
948req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
949{
950 if (expect_false (SvROK (path)))
951 {
952 SV *rv = SvRV (path);
953 SV *wdob;
954
955 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
956 {
957 path = AvARRAY (rv)[1];
958 wdob = AvARRAY (rv)[0];
959
960 if (SvOK (wdob))
961 {
962 *wd = SvAIO_WD (wdob);
963 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
964 }
965 else
966 *wd = EIO_INVALID_WD;
967 }
968 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
969 {
970 *wd = (aio_wd)(long)SvIVX (rv);
971 *wdsv = SvREFCNT_inc_NN (rv);
972 *ptr = ".";
973 return; /* path set to "." */
974 }
975 else
976 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
977 }
978
979 *pathsv = newSVsv (path);
980 *ptr = SvPVbyte_nolen (*pathsv);
981}
982
983static void ecb_noinline
984req_set_path1 (aio_req req, SV *path)
985{
986 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
987}
988
989static void ecb_noinline
990req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
991{
992 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
993
994 switch (SvTYPE (rv))
995 {
996 case SVt_PVIO:
997 case SVt_PVLV:
998 case SVt_PVGV:
999 req->type = type_fh;
1000 req->sv1 = newSVsv (fh_or_path);
1001 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1002 break;
1003
1004 default:
1005 req->type = type_path;
1006 req_set_path1 (req, fh_or_path);
1007 break;
1008 }
1009}
1010
1011/*****************************************************************************/
1012
1013static void
1014ts_set (struct timespec *ts, NV value)
1015{
1016 ts->tv_sec = value;
1017 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1018}
1019
1020static NV
1021ts_get (const struct timespec *ts)
1022{
1023 return ts->tv_sec + ts->tv_nsec * 1e-9;
1024}
1025
1026/*****************************************************************************/
1027
1028XS(boot_IO__AIO) ecb_cold;
1029
650MODULE = IO::AIO PACKAGE = IO::AIO 1030MODULE = IO::AIO PACKAGE = IO::AIO
651 1031
652PROTOTYPES: ENABLE 1032PROTOTYPES: ENABLE
653 1033
654BOOT: 1034BOOT:
… …
658 IV iv; 1038 IV iv;
659 } *civ, const_iv[] = { 1039 } *civ, const_iv[] = {
660# define const_niv(name, value) { # name, (IV) value }, 1040# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name }, 1041# define const_iv(name) { # name, (IV) name },
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 1042# define const_eio(name) { # name, (IV) EIO_ ## name },
1043
1044 /* you have to re-run ./gendef0 after adding/removing any constants here */
1045 /* the first block can be undef if missing */
1046 const_iv (ENOSYS)
663 const_iv (EXDEV) 1047 const_iv (EXDEV)
664 const_iv (ENOSYS) 1048 const_iv (EBADR)
665 const_iv (O_RDONLY) 1049
666 const_iv (O_WRONLY) 1050 /* for lseek */
667 const_iv (O_CREAT) 1051 const_iv (SEEK_DATA)
668 const_iv (O_TRUNC)
669#ifndef _WIN32
670 const_iv (S_IFIFO) 1052 const_iv (SEEK_HOLE)
671#endif 1053
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1054 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1055 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1056 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1057 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1058 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1059 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1060
1061 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1062 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1063 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1064 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1065 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1066
1067 /* the second block will be 0 when missing */
1068 const_iv (O_ACCMODE)
1069
1070 const_iv (O_RDONLY)
1071 const_iv (O_WRONLY)
1072 const_iv (O_RDWR)
1073 const_iv (O_CREAT)
1074 const_iv (O_TRUNC)
1075 const_iv (O_EXCL)
1076 const_iv (O_APPEND)
1077
1078 const_iv (O_ASYNC)
1079 const_iv (O_DIRECT)
1080 const_iv (O_NOATIME)
1081
1082 const_iv (O_CLOEXEC)
1083 const_iv (O_NOCTTY)
1084 const_iv (O_NOFOLLOW)
1085 const_iv (O_NONBLOCK)
1086 const_iv (O_EXEC)
1087 const_iv (O_SEARCH)
1088 const_iv (O_DIRECTORY)
1089 const_iv (O_DSYNC)
1090 const_iv (O_RSYNC)
1091 const_iv (O_SYNC)
1092 const_iv (O_PATH)
1093 const_iv (O_TMPFILE)
1094 const_iv (O_TTY_INIT)
1095
1096 const_iv (S_IFIFO)
1097 const_iv (S_IFCHR)
1098 const_iv (S_IFBLK)
1099 const_iv (S_IFLNK)
1100 const_iv (S_IFREG)
1101 const_iv (S_IFDIR)
1102 const_iv (S_IFWHT)
1103 const_iv (S_IFSOCK)
1104 const_iv (S_IFMT)
678 1105
679 const_iv (ST_RDONLY) 1106 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 1107 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 1108 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 1109 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 1114 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 1115 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 1116 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 1117 const_iv (ST_RELATIME)
691 1118
1119 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 1120 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 1121 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 1122 const_iv (PROT_WRITE)
696 1123
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 1124 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED) 1125 const_iv (MAP_SHARED)
1126 const_iv (MAP_FIXED)
700 const_iv (MAP_ANONYMOUS) 1127 const_iv (MAP_ANONYMOUS)
701 1128
702 /* linuxish */ 1129 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED) 1130 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 1131 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 1132 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 1133 const_iv (MAP_NONBLOCK)
1134 const_iv (MAP_GROWSDOWN)
1135 const_iv (MAP_32BIT)
1136 const_iv (MAP_HUGETLB)
1137 const_iv (MAP_STACK)
708 1138
1139 const_iv (MREMAP_MAYMOVE)
1140 const_iv (MREMAP_FIXED)
1141
1142 const_iv (F_DUPFD_CLOEXEC)
1143
1144 const_iv (MSG_CMSG_CLOEXEC)
1145 const_iv (SOCK_CLOEXEC)
1146
1147 const_iv (F_OFD_GETLK)
1148 const_iv (F_OFD_SETLK)
1149 const_iv (F_OFD_GETLKW)
1150
1151 const_iv (FIFREEZE)
1152 const_iv (FITHAW)
1153 const_iv (FITRIM)
1154 const_iv (FICLONE)
1155 const_iv (FICLONERANGE)
1156 const_iv (FIDEDUPERANGE)
1157
1158 const_iv (FS_IOC_GETFLAGS)
1159 const_iv (FS_IOC_SETFLAGS)
1160 const_iv (FS_IOC_GETVERSION)
1161 const_iv (FS_IOC_SETVERSION)
1162 const_iv (FS_IOC_FIEMAP)
1163 const_iv (FS_IOC_FSGETXATTR)
1164 const_iv (FS_IOC_FSSETXATTR)
1165 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1166 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1167 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1168
1169 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1170
1171 const_iv (FS_SECRM_FL)
1172 const_iv (FS_UNRM_FL)
1173 const_iv (FS_COMPR_FL)
1174 const_iv (FS_SYNC_FL)
1175 const_iv (FS_IMMUTABLE_FL)
1176 const_iv (FS_APPEND_FL)
1177 const_iv (FS_NODUMP_FL)
1178 const_iv (FS_NOATIME_FL)
1179 const_iv (FS_DIRTY_FL)
1180 const_iv (FS_COMPRBLK_FL)
1181 const_iv (FS_NOCOMP_FL)
1182 const_iv (FS_ENCRYPT_FL)
1183 const_iv (FS_BTREE_FL)
1184 const_iv (FS_INDEX_FL)
1185 const_iv (FS_JOURNAL_DATA_FL)
1186 const_iv (FS_NOTAIL_FL)
1187 const_iv (FS_DIRSYNC_FL)
1188 const_iv (FS_TOPDIR_FL)
1189 const_iv (FS_FL_USER_MODIFIABLE)
1190
1191 const_iv (FS_XFLAG_REALTIME)
1192 const_iv (FS_XFLAG_PREALLOC)
1193 const_iv (FS_XFLAG_IMMUTABLE)
1194 const_iv (FS_XFLAG_APPEND)
1195 const_iv (FS_XFLAG_SYNC)
1196 const_iv (FS_XFLAG_NOATIME)
1197 const_iv (FS_XFLAG_NODUMP)
1198 const_iv (FS_XFLAG_RTINHERIT)
1199 const_iv (FS_XFLAG_PROJINHERIT)
1200 const_iv (FS_XFLAG_NOSYMLINKS)
1201 const_iv (FS_XFLAG_EXTSIZE)
1202 const_iv (FS_XFLAG_EXTSZINHERIT)
1203 const_iv (FS_XFLAG_NODEFRAG)
1204 const_iv (FS_XFLAG_FILESTREAM)
1205 const_iv (FS_XFLAG_DAX)
1206 const_iv (FS_XFLAG_HASATTR)
1207
1208 const_iv (FIEMAP_FLAG_SYNC)
1209 const_iv (FIEMAP_FLAG_XATTR)
1210 const_iv (FIEMAP_FLAGS_COMPAT)
1211 const_iv (FIEMAP_EXTENT_LAST)
1212 const_iv (FIEMAP_EXTENT_UNKNOWN)
1213 const_iv (FIEMAP_EXTENT_DELALLOC)
1214 const_iv (FIEMAP_EXTENT_ENCODED)
1215 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1216 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1217 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1218 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1219 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1220 const_iv (FIEMAP_EXTENT_MERGED)
1221 const_iv (FIEMAP_EXTENT_SHARED)
1222
1223 const_iv (SPLICE_F_MOVE)
1224 const_iv (SPLICE_F_NONBLOCK)
1225 const_iv (SPLICE_F_MORE)
1226 const_iv (SPLICE_F_GIFT)
1227
1228 const_iv (EFD_CLOEXEC)
1229 const_iv (EFD_NONBLOCK)
1230 const_iv (EFD_SEMAPHORE)
1231
1232 const_iv (CLOCK_REALTIME)
1233 const_iv (CLOCK_MONOTONIC)
1234 const_iv (CLOCK_BOOTTIME)
1235 const_iv (CLOCK_REALTIME_ALARM)
1236 const_iv (CLOCK_BOOTTIME_ALARM)
1237
1238 const_iv (TFD_NONBLOCK)
1239 const_iv (TFD_CLOEXEC)
1240
1241 const_iv (TFD_TIMER_ABSTIME)
1242 const_iv (TFD_TIMER_CANCEL_ON_SET)
1243
1244 /* these are libeio constants, and are independent of gendef0 */
1245 const_eio (SEEK_SET)
1246 const_eio (SEEK_CUR)
1247 const_eio (SEEK_END)
1248
709 const_iv (MCL_FUTURE) 1249 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 1250 const_eio (MCL_CURRENT)
711 1251
712 const_eio (MS_ASYNC) 1252 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 1253 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 1254 const_eio (MS_SYNC)
715 1255
716 const_eio (MT_MODIFY) 1256 const_eio (MT_MODIFY)
717 1257
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1258 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 1259 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1260 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1261
1262 const_eio (FALLOC_FL_KEEP_SIZE)
1263 const_eio (FALLOC_FL_PUNCH_HOLE)
1264 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1265 const_eio (FALLOC_FL_ZERO_RANGE)
1266 const_eio (FALLOC_FL_INSERT_RANGE)
1267 const_eio (FALLOC_FL_UNSHARE_RANGE)
1268
1269 const_eio (RENAME_NOREPLACE)
1270 const_eio (RENAME_EXCHANGE)
1271 const_eio (RENAME_WHITEOUT)
721 1272
722 const_eio (READDIR_DENTS) 1273 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 1274 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 1275 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 1276 const_eio (READDIR_FOUND_UNKNOWN)
… …
736 }; 1287 };
737 1288
738 aio_stash = gv_stashpv ("IO::AIO" , 1); 1289 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1290 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1291 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1292 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741 1293
742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1294 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1295 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744 1296
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1297 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746 1298
747 create_respipe (); 1299 reinit ();
748
749 if (eio_init (want_poll, done_poll) < 0)
750 croak ("IO::AIO: unable to initialise eio library");
751
752 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child);
754} 1300}
755 1301
756void 1302void
1303reinit ()
1304 PROTOTYPE:
1305
1306void
757max_poll_reqs (int nreqs) 1307max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 1308 PROTOTYPE: $
759 CODE: 1309 CODE:
760 eio_set_max_poll_reqs (nreqs); 1310 eio_set_max_poll_reqs (nreqs);
761 1311
762void 1312void
… …
764 PROTOTYPE: $ 1314 PROTOTYPE: $
765 CODE: 1315 CODE:
766 eio_set_max_poll_time (nseconds); 1316 eio_set_max_poll_time (nseconds);
767 1317
768void 1318void
769min_parallel (int nthreads) 1319min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 1320 PROTOTYPE: $
771 CODE: 1321 CODE:
772 eio_set_min_parallel (nthreads); 1322 eio_set_min_parallel (nthreads);
773 1323
774void 1324void
775max_parallel (int nthreads) 1325max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 1326 PROTOTYPE: $
777 CODE: 1327 CODE:
778 eio_set_max_parallel (nthreads); 1328 eio_set_max_parallel (nthreads);
779 1329
780void 1330void
781max_idle (int nthreads) 1331max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 1332 PROTOTYPE: $
783 CODE: 1333 CODE:
784 eio_set_max_idle (nthreads); 1334 eio_set_max_idle (nthreads);
785 1335
786void 1336void
1337idle_timeout (unsigned int seconds)
1338 PROTOTYPE: $
1339 CODE:
1340 eio_set_idle_timeout (seconds);
1341
1342void
787max_outstanding (int maxreqs) 1343max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 1344 PROTOTYPE: $
789 CODE: 1345 CODE:
790 max_outstanding = maxreqs; 1346 max_outstanding = maxreqs;
791 1347
792void 1348void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1349aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1350 PPCODE:
796{ 1351{
797 dREQ; 1352 dREQ;
798 1353
1354 req->type = EIO_WD_OPEN;
1355 req_set_path1 (req, pathname);
1356
1357 REQ_SEND;
1358}
1359
1360void
1361aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
799 req->type = EIO_OPEN; 1366 req->type = EIO_OPEN;
800 req->sv1 = newSVsv (pathname); 1367 req_set_path1 (req, pathname);
801 req->ptr1 = SvPVbyte_nolen (req->sv1);
802 req->int1 = flags; 1368 req->int1 = flags;
803 req->int2 = mode; 1369 req->int2 = mode;
804 1370
805 REQ_SEND; 1371 REQ_SEND;
806} 1372}
807 1373
808void 1374void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1375aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 1376 ALIAS:
812 aio_fsync = EIO_FSYNC 1377 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 1378 aio_fdatasync = EIO_FDATASYNC
1379 aio_syncfs = EIO_SYNCFS
814 PPCODE: 1380 PPCODE:
815{ 1381{
816 int fd = s_fileno_croak (fh, 0); 1382 int fd = s_fileno_croak (fh, 0);
817 dREQ; 1383 dREQ;
818 1384
819 req->type = ix; 1385 req->type = ix;
820 req->sv1 = newSVsv (fh); 1386 req->sv1 = newSVsv (fh);
821 req->int1 = fd; 1387 req->int1 = fd;
822 1388
823 REQ_SEND (req); 1389 REQ_SEND;
824} 1390}
825 1391
826void 1392void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1393aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1394 PPCODE:
830{ 1395{
831 int fd = s_fileno_croak (fh, 0); 1396 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1397 dREQ;
833 1398
834 req->type = EIO_SYNC_FILE_RANGE; 1399 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh); 1400 req->sv1 = newSVsv (fh);
836 req->int1 = fd; 1401 req->int1 = fd;
837 req->offs = offset; 1402 req->offs = offset;
838 req->size = nbytes; 1403 req->size = nbytes;
839 req->int2 = flags; 1404 req->int2 = flags;
840 1405
841 REQ_SEND (req); 1406 REQ_SEND;
842} 1407}
843 1408
844void 1409void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1410aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1411 PPCODE:
848{ 1412{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1413 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1414 dREQ;
852 1415
853 if (close_pipe < 0) 1416 req->type = EIO_FALLOCATE;
1417 req->sv1 = newSVsv (fh);
1418 req->int1 = fd;
1419 req->int2 = mode;
1420 req->offs = offset;
1421 req->size = len;
1422
1423 REQ_SEND;
1424}
1425
1426void
1427aio_close (SV *fh, SV *callback = &PL_sv_undef)
1428 PPCODE:
1429{
1430 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1431 int fd = s_fileno_croak (fh, 0);
1432 dREQ;
1433
1434 if (expect_false (close_fd < 0))
854 { 1435 {
855 int pipefd [2]; 1436 int pipefd [2];
856 1437
1438 if (
1439#ifdef _WIN32
1440 _pipe (pipefd, 1, _O_BINARY) < 0
1441#else
857 if (pipe (pipefd) < 0 1442 pipe (pipefd) < 0
858 || close (pipefd [1]) < 0
859 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1443 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1444#endif
1445 || close (pipefd [1]) < 0
1446 )
860 abort (); /*D*/ 1447 abort (); /*D*/
861 1448
862 close_pipe = pipefd [0]; 1449 close_fd = pipefd [0];
863 } 1450 }
864 1451
865 req->type = EIO_DUP2; 1452 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1453 req->int1 = close_fd;
867 req->sv2 = newSVsv (fh); 1454 req->sv2 = newSVsv (fh);
868 req->int2 = fd; 1455 req->int2 = fd;
869 1456
870 REQ_SEND (req); 1457 REQ_SEND;
871} 1458}
872 1459
873void 1460void
1461aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1462 PPCODE:
1463{
1464 int fd = s_fileno_croak (fh, 0);
1465 dREQ;
1466
1467 req->type = EIO_SEEK;
1468 req->sv1 = newSVsv (fh);
1469 req->int1 = fd;
1470 req->offs = SvVAL64 (offset);
1471 req->int2 = whence;
1472
1473 REQ_SEND;
1474}
1475
1476void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1477aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
875 ALIAS: 1478 ALIAS:
876 aio_read = EIO_READ 1479 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1480 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1481 PPCODE:
880{ 1482{
881 STRLEN svlen; 1483 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1484 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1485 char *svptr = SvPVbyte (data, svlen);
… …
896 len = svlen - dataoffset; 1498 len = svlen - dataoffset;
897 } 1499 }
898 else 1500 else
899 { 1501 {
900 /* read: check type and grow scalar as necessary */ 1502 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV); 1503 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902 svptr = SvGROW (data, len + dataoffset + 1); 1504 svptr = sv_grow (data, len + dataoffset + 1);
1505 else if (SvCUR (data) < len + dataoffset)
1506 croak ("length + dataoffset outside of scalar, and cannot grow");
903 } 1507 }
904 1508
905 { 1509 {
906 dREQ; 1510 dREQ;
907 1511
… …
923 REQ_SEND; 1527 REQ_SEND;
924 } 1528 }
925} 1529}
926 1530
927void 1531void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1532aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
929 PROTOTYPE: $$;$ 1533 ALIAS:
1534 aio_ioctl = EIO_IOCTL
1535 aio_fcntl = EIO_FCNTL
930 PPCODE: 1536 PPCODE:
931{ 1537{
932 SV *data; 1538 int fd = s_fileno_croak (fh, 0);
1539 char *svptr;
1540
1541 if (SvPOK (arg) || !SvNIOK (arg))
1542 {
1543 STRLEN svlen;
1544 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1545#ifdef IOCPARM_LEN
1546 STRLEN need = IOCPARM_LEN (request);
1547#else
1548 STRLEN need = 256;
1549#endif
1550
1551 if (svlen < need)
1552 svptr = SvGROW (arg, need);
1553 }
1554 else
1555 svptr = (char *)SvIV (arg);
1556
1557 {
1558 dREQ;
1559
1560 req->type = ix;
1561 req->sv1 = newSVsv (fh);
1562 req->int1 = fd;
1563 req->int2 = (long)request;
1564 req->sv2 = SvREFCNT_inc (arg);
1565 req->ptr2 = svptr;
1566
1567 REQ_SEND;
1568 }
1569}
1570
1571void
1572aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1573 ALIAS:
1574 aio_readlink = EIO_READLINK
1575 aio_realpath = EIO_REALPATH
1576 PPCODE:
1577{
933 dREQ; 1578 dREQ;
934 1579
935 req->type = EIO_READLINK; 1580 req->type = ix;
936 req->sv1 = newSVsv (path); 1581 req_set_path1 (req, pathname);
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1582
939 REQ_SEND; 1583 REQ_SEND;
940} 1584}
941 1585
942void 1586void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1587aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1588 PPCODE:
946{ 1589{
947 int ifd = s_fileno_croak (in_fh , 0); 1590 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1591 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1592 dREQ;
950 1593
951 req->type = EIO_SENDFILE; 1594 req->type = EIO_SENDFILE;
952 req->sv1 = newSVsv (out_fh); 1595 req->sv1 = newSVsv (out_fh);
953 req->int1 = ofd; 1596 req->int1 = ofd;
… …
958 1601
959 REQ_SEND; 1602 REQ_SEND;
960} 1603}
961 1604
962void 1605void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1606aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1607 PPCODE:
966{ 1608{
967 int fd = s_fileno_croak (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1610 dREQ;
969 1611
970 req->type = EIO_READAHEAD; 1612 req->type = EIO_READAHEAD;
971 req->sv1 = newSVsv (fh); 1613 req->sv1 = newSVsv (fh);
972 req->int1 = fd; 1614 req->int1 = fd;
… …
975 1617
976 REQ_SEND; 1618 REQ_SEND;
977} 1619}
978 1620
979void 1621void
980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1622aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981 ALIAS: 1623 ALIAS:
982 aio_stat = EIO_STAT 1624 aio_stat = EIO_STAT
983 aio_lstat = EIO_LSTAT 1625 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS 1626 aio_statvfs = EIO_STATVFS
985 PPCODE: 1627 PPCODE:
986{ 1628{
987 dREQ; 1629 dREQ;
988 1630
989 req->sv1 = newSVsv (fh_or_path); 1631 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991 if (SvPOK (req->sv1))
992 {
993 req->type = ix;
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 }
996 else
997 {
998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000 }
1001 1632
1002 REQ_SEND; 1633 REQ_SEND;
1003} 1634}
1004 1635
1005void 1636void
1637st_xtime ()
1638 ALIAS:
1639 st_atime = 1
1640 st_mtime = 2
1641 st_ctime = 4
1642 st_xtime = 7
1643 PPCODE:
1644 EXTEND (SP, 3);
1645 if (ix & 1) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1646 if (ix & 2) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1647 if (ix & 4) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1648
1649void
1650st_xtimensec ()
1651 ALIAS:
1652 st_atimensec = 1
1653 st_mtimensec = 2
1654 st_ctimensec = 4
1655 st_xtimensec = 7
1656 PPCODE:
1657 EXTEND (SP, 3);
1658 if (ix & 1) PUSHs (newSViv (ATIMENSEC));
1659 if (ix & 2) PUSHs (newSViv (MTIMENSEC));
1660 if (ix & 4) PUSHs (newSViv (CTIMENSEC));
1661
1662UV
1663major (UV dev)
1664 ALIAS:
1665 minor = 1
1666 CODE:
1667 RETVAL = ix ? minor (dev) : major (dev);
1668 OUTPUT:
1669 RETVAL
1670
1671UV
1672makedev (UV maj, UV min)
1673 CODE:
1674 RETVAL = makedev (maj, min);
1675 OUTPUT:
1676 RETVAL
1677
1678void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1679aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1007 PPCODE: 1680 PPCODE:
1008{ 1681{
1009 dREQ; 1682 dREQ;
1010 1683
1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1684 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1685 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013 req->sv1 = newSVsv (fh_or_path); 1686 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015 if (SvPOK (req->sv1))
1016 {
1017 req->type = EIO_UTIME;
1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
1019 }
1020 else
1021 {
1022 req->type = EIO_FUTIME;
1023 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024 }
1025 1687
1026 REQ_SEND; 1688 REQ_SEND;
1027} 1689}
1028 1690
1029void 1691void
1030aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1692aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1031 PPCODE: 1693 PPCODE:
1032{ 1694{
1033 dREQ; 1695 dREQ;
1034 1696
1035 req->sv1 = newSVsv (fh_or_path);
1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1697 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037 1698 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_TRUNCATE;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FTRUNCATE;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1699
1049 REQ_SEND; 1700 REQ_SEND;
1050} 1701}
1051 1702
1052void 1703void
1053aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1704aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1054 ALIAS:
1055 aio_chmod = EIO_CHMOD
1056 aio_mkdir = EIO_MKDIR
1057 PPCODE: 1705 PPCODE:
1058{ 1706{
1059 dREQ; 1707 dREQ;
1060 1708
1061 req->int2 = mode; 1709 req->int2 = mode;
1062 req->sv1 = newSVsv (fh_or_path); 1710 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064 if (SvPOK (req->sv1))
1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
1069 else
1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
1074 1711
1075 REQ_SEND; 1712 REQ_SEND;
1076} 1713}
1077 1714
1078void 1715void
1079aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1716aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1080 PPCODE: 1717 PPCODE:
1081{ 1718{
1082 dREQ; 1719 dREQ;
1083 1720
1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1721 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1722 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086 req->sv1 = newSVsv (fh_or_path); 1723 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088 if (SvPOK (req->sv1))
1089 {
1090 req->type = EIO_CHOWN;
1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
1092 }
1093 else
1094 {
1095 req->type = EIO_FCHOWN;
1096 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097 }
1098 1724
1099 REQ_SEND; 1725 REQ_SEND;
1100} 1726}
1101 1727
1102void 1728void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1729aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1730 PPCODE:
1105{ 1731{
1106 dREQ; 1732 dREQ;
1107 1733
1108 req->type = EIO_READDIR; 1734 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1735 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112 1736
1113 if (flags & EIO_READDIR_DENTS) 1737 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2; 1738 req->int1 |= EIO_READDIR_CUSTOM2;
1115 1739
1740 req_set_path1 (req, pathname);
1741
1116 REQ_SEND; 1742 REQ_SEND;
1117} 1743}
1118 1744
1119void 1745void
1746aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1747 PPCODE:
1748{
1749 dREQ;
1750
1751 req->type = EIO_MKDIR;
1752 req->int2 = mode;
1753 req_set_path1 (req, pathname);
1754
1755 REQ_SEND;
1756}
1757
1758void
1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1759aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121 ALIAS: 1760 ALIAS:
1122 aio_unlink = EIO_UNLINK 1761 aio_unlink = EIO_UNLINK
1123 aio_rmdir = EIO_RMDIR 1762 aio_rmdir = EIO_RMDIR
1124 aio_readdir = EIO_READDIR 1763 aio_readdir = EIO_READDIR
1125 PPCODE: 1764 PPCODE:
1126{ 1765{
1127 dREQ; 1766 dREQ;
1128 1767
1129 req->type = ix; 1768 req->type = ix;
1130 req->sv1 = newSVsv (pathname); 1769 req_set_path1 (req, pathname);
1131 req->ptr1 = SvPVbyte_nolen (req->sv1);
1132 1770
1133 REQ_SEND; 1771 REQ_SEND;
1134} 1772}
1135 1773
1136void 1774void
1137aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1775aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138 ALIAS: 1776 ALIAS:
1139 aio_link = EIO_LINK 1777 aio_link = EIO_LINK
1140 aio_symlink = EIO_SYMLINK 1778 aio_symlink = EIO_SYMLINK
1141 aio_rename = EIO_RENAME 1779 aio_rename = EIO_RENAME
1142 PPCODE: 1780 PPCODE:
1143{ 1781{
1782 eio_wd wd2 = 0;
1144 dREQ; 1783 dREQ;
1145 1784
1146 req->type = ix; 1785 req->type = ix;
1147 req->sv1 = newSVsv (oldpath); 1786 req_set_path1 (req, oldpath);
1148 req->ptr1 = SvPVbyte_nolen (req->sv1); 1787 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149 req->sv2 = newSVsv (newpath); 1788 req->int3 = (long)wd2;
1150 req->ptr2 = SvPVbyte_nolen (req->sv2);
1151 1789
1152 REQ_SEND; 1790 REQ_SEND;
1153} 1791}
1154 1792
1155void 1793void
1794aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1795 PPCODE:
1796{
1797 eio_wd wd2 = 0;
1798 dREQ;
1799
1800 req->type = EIO_RENAME;
1801 req_set_path1 (req, oldpath);
1802 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1803 req->int2 = flags;
1804 req->int3 = (long)wd2;
1805
1806 REQ_SEND;
1807}
1808
1809void
1156aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1810aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1157 PPCODE: 1811 PPCODE:
1158{ 1812{
1159 dREQ; 1813 dREQ;
1160 1814
1161 req->type = EIO_MKNOD; 1815 req->type = EIO_MKNOD;
1162 req->sv1 = newSVsv (pathname);
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 req->int2 = (mode_t)mode; 1816 req->int2 = (mode_t)mode;
1165 req->offs = dev; 1817 req->offs = dev;
1818 req_set_path1 (req, pathname);
1166 1819
1167 REQ_SEND; 1820 REQ_SEND;
1168} 1821}
1169 1822
1170void 1823void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1824aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1172 ALIAS: 1825 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1826 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1827 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1828 PPCODE:
1177{ 1829{
1178 STRLEN svlen; 1830 STRLEN svlen;
1831 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1832 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen); 1833
1834 if (flags < 0)
1835 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1181 1836
1182 if (offset < 0) 1837 if (offset < 0)
1183 offset += svlen; 1838 offset += svlen;
1184 1839
1185 if (offset < 0 || offset > svlen) 1840 if (offset < 0 || offset > svlen)
… …
1190 1845
1191 { 1846 {
1192 dREQ; 1847 dREQ;
1193 1848
1194 req->type = ix; 1849 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1850 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1851 req->ptr2 = (char *)svptr + offset;
1852 req->size = len;
1198 req->int1 = flags; 1853 req->int1 = flags;
1199 1854
1200 REQ_SEND; 1855 REQ_SEND;
1201 } 1856 }
1202} 1857}
1203 1858
1204void 1859void
1860aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1861 PPCODE:
1862{
1863 STRLEN svlen;
1864 char *svptr = SvPVbyte (data, svlen);
1865 UV len = SvUV (length);
1866
1867 if (offset < 0)
1868 offset += svlen;
1869
1870 if (offset < 0 || offset > svlen)
1871 croak ("offset outside of scalar");
1872
1873 if (!SvOK (length) || len + offset > svlen)
1874 len = svlen - offset;
1875
1876 {
1877 dREQ;
1878
1879 req->type = EIO_MLOCK;
1880 req->sv2 = SvREFCNT_inc (data);
1881 req->ptr2 = (char *)svptr + offset;
1882 req->size = len;
1883
1884 REQ_SEND;
1885 }
1886}
1887
1888void
1889aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1890 PPCODE:
1891{
1892 dREQ;
1893
1894 req->type = EIO_MLOCKALL;
1895 req->int1 = flags;
1896
1897 REQ_SEND;
1898}
1899
1900void
1901aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1902 PPCODE:
1903{
1904 int fd = s_fileno_croak (fh, 0);
1905 dREQ;
1906
1907 req->type = EIO_CUSTOM;
1908 req->sv1 = newSVsv (fh);
1909 req->int1 = fd;
1910
1911 req->feed = fiemap;
1912#if HAVE_FIEMAP
1913 /* keep our fingers crossed that the next two types are 64 bit */
1914 req->offs = start;
1915 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1916 req->int2 = flags;
1917 req->int3 = SvOK (count) ? SvIV (count) : -1;
1918#endif
1919
1920 REQ_SEND;
1921}
1922
1923void
1924aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1925 PPCODE:
1926{
1927 char *svptr = 0;
1928
1929 sv_clear_foreign (data);
1930
1931 if (length) /* known length, directly read into scalar */
1932 {
1933 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1934 svptr = sv_grow (data, length + 1);
1935 else if (SvCUR (data) < length)
1936 croak ("length outside of scalar, and cannot grow");
1937 else
1938 svptr = SvPVbyte_nolen (data);
1939 }
1940
1941 {
1942 dREQ;
1943
1944 req->type = EIO_SLURP;
1945 req_set_path1 (req, pathname);
1946 req->offs = offset;
1947 req->size = length;
1948 req->sv2 = SvREFCNT_inc (data);
1949 req->ptr2 = svptr;
1950
1951 if (!SvREADONLY (data))
1952 {
1953 SvREADONLY_on (data);
1954 req->flags |= FLAG_SV2_RO_OFF;
1955 }
1956
1957 REQ_SEND;
1958 }
1959}
1960
1961void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1962aio_busy (double delay, SV *callback = &PL_sv_undef)
1206 PPCODE: 1963 PPCODE:
1207{ 1964{
1208 dREQ; 1965 dREQ;
1209 1966
1210 req->type = EIO_BUSY; 1967 req->type = EIO_BUSY;
… …
1212 1969
1213 REQ_SEND; 1970 REQ_SEND;
1214} 1971}
1215 1972
1216void 1973void
1217aio_group (SV *callback=&PL_sv_undef) 1974aio_group (SV *callback = &PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1975 PPCODE:
1220{ 1976{
1221 dREQ; 1977 dREQ;
1222 1978
1223 req->type = EIO_GROUP; 1979 req->type = EIO_GROUP;
1224 1980
1981 PUTBACK;
1225 req_submit (req); 1982 req_submit (req);
1983 SPAGAIN;
1984
1226 XPUSHs (req_sv (req, aio_grp_stash)); 1985 XPUSHs (req_sv (req, aio_grp_stash));
1227} 1986}
1228 1987
1229void 1988void
1230aio_nop (SV *callback=&PL_sv_undef) 1989aio_nop (SV *callback = &PL_sv_undef)
1231 ALIAS: 1990 ALIAS:
1232 aio_nop = EIO_NOP 1991 aio_nop = EIO_NOP
1233 aio_sync = EIO_SYNC 1992 aio_sync = EIO_SYNC
1234 PPCODE: 1993 PPCODE:
1235{ 1994{
… …
1239 1998
1240 REQ_SEND; 1999 REQ_SEND;
1241} 2000}
1242 2001
1243int 2002int
1244aioreq_pri (int pri = 0) 2003aioreq_pri (int pri = NO_INIT)
1245 PROTOTYPE: ;$
1246 CODE: 2004 CODE:
1247 RETVAL = next_pri; 2005 RETVAL = next_pri;
1248 if (items > 0) 2006 if (items > 0)
1249 { 2007 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2008 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2020 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 2021 next_pri = nice;
1264 2022
1265void 2023void
1266flush () 2024flush ()
1267 PROTOTYPE:
1268 CODE: 2025 CODE:
1269 while (eio_nreqs ()) 2026 while (eio_nreqs ())
1270 { 2027 {
1271 poll_wait (); 2028 poll_wait ();
1272 poll_cb (); 2029 poll_cb ();
1273 } 2030 }
1274 2031
1275int 2032int
1276poll() 2033poll ()
1277 PROTOTYPE:
1278 CODE: 2034 CODE:
1279 poll_wait (); 2035 poll_wait ();
1280 RETVAL = poll_cb (); 2036 RETVAL = poll_cb ();
1281 OUTPUT: 2037 OUTPUT:
1282 RETVAL 2038 RETVAL
1283 2039
1284int 2040int
1285poll_fileno() 2041poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 2042 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 2043 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 2044 OUTPUT:
1290 RETVAL 2045 RETVAL
1291 2046
1292int 2047int
1293poll_cb(...) 2048poll_cb (...)
1294 PROTOTYPE: 2049 PROTOTYPE:
1295 CODE: 2050 CODE:
1296 RETVAL = poll_cb (); 2051 RETVAL = poll_cb ();
1297 OUTPUT: 2052 OUTPUT:
1298 RETVAL 2053 RETVAL
1299 2054
1300void 2055void
1301poll_wait() 2056poll_wait ()
1302 PROTOTYPE:
1303 CODE: 2057 CODE:
1304 poll_wait (); 2058 poll_wait ();
1305 2059
1306int 2060int
1307nreqs() 2061nreqs ()
1308 PROTOTYPE:
1309 CODE: 2062 CODE:
1310 RETVAL = eio_nreqs (); 2063 RETVAL = eio_nreqs ();
1311 OUTPUT: 2064 OUTPUT:
1312 RETVAL 2065 RETVAL
1313 2066
1314int 2067int
1315nready() 2068nready ()
1316 PROTOTYPE:
1317 CODE: 2069 CODE:
1318 RETVAL = eio_nready (); 2070 RETVAL = eio_nready ();
1319 OUTPUT: 2071 OUTPUT:
1320 RETVAL 2072 RETVAL
1321 2073
1322int 2074int
1323npending() 2075npending ()
1324 PROTOTYPE:
1325 CODE: 2076 CODE:
1326 RETVAL = eio_npending (); 2077 RETVAL = eio_npending ();
1327 OUTPUT: 2078 OUTPUT:
1328 RETVAL 2079 RETVAL
1329 2080
1330int 2081int
1331nthreads() 2082nthreads ()
1332 PROTOTYPE:
1333 CODE: 2083 CODE:
1334 RETVAL = eio_nthreads (); 2084 RETVAL = eio_nthreads ();
1335 OUTPUT: 2085 OUTPUT:
1336 RETVAL 2086 RETVAL
1337 2087
1338int 2088int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2089fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 2090 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 2091 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 2092 OUTPUT:
1348 RETVAL 2093 RETVAL
1349 2094
1350ssize_t 2095IV
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2096sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 2097 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2098 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 2099 OUTPUT:
1356 RETVAL 2100 RETVAL
1357 2101
1358void 2102void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2103mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 2104 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 2105 sv_clear_foreign (scalar);
1363{ 2106{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2107 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2108 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 2109 if (addr == (void *)-1)
1367 XSRETURN_NO; 2110 XSRETURN_NO;
1368 2111
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 2112 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372 2113
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE)) 2114 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 2115 SvREADONLY_on (scalar);
1376 2116
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES; 2117 XSRETURN_YES;
1383} 2118}
1384 2119
1385void 2120void
1386munmap (SV *scalar) 2121munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 2122 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 2123 sv_clear_foreign (scalar);
2124
2125SV *
2126mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2127 CODE:
2128{
2129 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2130 void *new;
2131
2132 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2133 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2134
2135 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2136
2137 RETVAL = &PL_sv_no;
2138
2139 if (new != (void *)-1)
2140 {
2141 RETVAL = new == (void *)mg->mg_ptr
2142 ? newSVpvn ("0 but true", 10)
2143 : &PL_sv_yes;
2144
2145 mg->mg_ptr = (char *)new;
2146 mg->mg_obj = (SV *)new_length;
2147
2148 SvPVX (scalar) = mg->mg_ptr;
2149 SvCUR_set (scalar, new_length);
2150 }
2151}
2152 OUTPUT:
2153 RETVAL
1390 2154
1391int 2155int
1392mlockall (int flags) 2156madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 2157 ALIAS:
2158 mprotect = 1
1394 CODE: 2159 CODE:
2160{
2161 STRLEN svlen;
2162 void *addr = SvPVbyte (scalar, svlen);
2163 STRLEN len = SvUV (length);
2164
2165 if (offset < 0)
2166 offset += svlen;
2167
2168 if (offset < 0 || offset > svlen)
2169 croak ("offset outside of scalar");
2170
2171 if (!SvOK (length) || len + offset > svlen)
2172 len = svlen - offset;
2173
2174 addr = (void *)(((intptr_t)addr) + offset);
2175 eio_page_align (&addr, &len);
2176
2177 switch (ix)
2178 {
2179 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2180 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2181 }
2182}
2183 OUTPUT:
2184 RETVAL
2185
2186int
2187munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2188 CODE:
2189{
2190 STRLEN svlen;
2191 void *addr = SvPVbyte (scalar, svlen);
2192 size_t len = SvUV (length);
2193
2194 if (offset < 0)
2195 offset += svlen;
2196
2197 if (offset < 0 || offset > svlen)
2198 croak ("offset outside of scalar");
2199
2200 if (!SvOK (length) || len + offset > svlen)
2201 len = svlen - offset;
2202
2203 addr = (void *)(((intptr_t)addr) + offset);
2204 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 2205#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2206 RETVAL = munlock (addr, len);
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else 2207#else
1402 RETVAL = -1; 2208 RETVAL = EIO_ENOSYS ();
1403 errno = ENOSYS;
1404#endif 2209#endif
2210}
1405 OUTPUT: 2211 OUTPUT:
1406 RETVAL 2212 RETVAL
1407 2213
1408int 2214int
1409munlockall () 2215munlockall ()
1410 PROTOTYPE:
1411 CODE: 2216 CODE:
1412#if _POSIX_MEMLOCK 2217#if _POSIX_MEMLOCK
1413 munlockall (); 2218 munlockall ();
1414#else 2219#else
1415 RETVAL = -1; 2220 RETVAL = EIO_ENOSYS ();
1416 errno = ENOSYS;
1417#endif 2221#endif
1418 OUTPUT: 2222 OUTPUT:
1419 RETVAL 2223 RETVAL
2224
2225int
2226splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2227 CODE:
2228{
2229#if HAVE_LINUX_SPLICE
2230 loff_t off_in_, off_out_;
2231 RETVAL = splice (
2232 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2233 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2234 length, flags
2235 );
2236#else
2237 RETVAL = EIO_ENOSYS ();
2238#endif
2239}
2240 OUTPUT:
2241 RETVAL
2242
2243int
2244tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2245 CODE:
2246#if HAVE_LINUX_SPLICE
2247 RETVAL = tee (rfh, wfh, length, flags);
2248#else
2249 RETVAL = EIO_ENOSYS ();
2250#endif
2251 OUTPUT:
2252 RETVAL
2253
2254int
2255pipesize (aio_rfd rfh, int new_size = -1)
2256 PROTOTYPE: $;$
2257 CODE:
2258#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2259 if (new_size >= 0)
2260 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2261 else
2262 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2263#else
2264 errno = ENOSYS;
2265 RETVAL = -1;
2266#endif
2267 OUTPUT:
2268 RETVAL
2269
2270void
2271pipe2 (int flags = 0)
2272 PROTOTYPE: ;$
2273 PPCODE:
2274{
2275 int fd[2];
2276 int res;
2277
2278 if (flags)
2279#if HAVE_PIPE2
2280 res = pipe2 (fd, flags);
2281#else
2282 res = (errno = ENOSYS, -1);
2283#endif
2284 else
2285 res = pipe (fd);
2286
2287 if (!res)
2288 {
2289 EXTEND (SP, 2);
2290 PUSHs (newmortalFH (fd[0], O_RDONLY));
2291 PUSHs (newmortalFH (fd[1], O_WRONLY));
2292 }
2293}
2294
2295void
2296eventfd (unsigned int initval = 0, int flags = 0)
2297 PPCODE:
2298{
2299 int fd;
2300#if HAVE_EVENTFD
2301 fd = eventfd (initval, flags);
2302#else
2303 fd = (errno = ENOSYS, -1);
2304#endif
2305
2306 XPUSHs (newmortalFH (fd, O_RDWR));
2307}
2308
2309void
2310timerfd_create (int clockid, int flags = 0)
2311 PPCODE:
2312{
2313 int fd;
2314#if HAVE_TIMERFD
2315 fd = timerfd_create (clockid, flags);
2316#else
2317 fd = (errno = ENOSYS, -1);
2318#endif
2319
2320 XPUSHs (newmortalFH (fd, O_RDWR));
2321}
2322
2323void
2324timerfd_settime (SV *fh, int flags, NV interval, NV value)
2325 PPCODE:
2326{
2327 int fd = s_fileno_croak (fh, 0);
2328#if HAVE_TIMERFD
2329 int res;
2330 struct itimerspec its, ots;
2331
2332 ts_set (&its.it_interval, interval);
2333 ts_set (&its.it_value , value);
2334 res = timerfd_settime (fd, flags, &its, &ots);
2335
2336 if (!res)
2337 {
2338 EXTEND (SP, 2);
2339 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2340 PUSHs (newSVnv (ts_get (&ots.it_value)));
2341 }
2342#else
2343 errno = ENOSYS;
2344#endif
2345}
2346
2347void
2348timerfd_gettime (SV *fh)
2349 PPCODE:
2350{
2351 int fd = s_fileno_croak (fh, 0);
2352#if HAVE_TIMERFD
2353 int res;
2354 struct itimerspec ots;
2355 res = timerfd_gettime (fd, &ots);
2356
2357 if (!res)
2358 {
2359 EXTEND (SP, 2);
2360 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2361 PUSHs (newSVnv (ts_get (&ots.it_value)));
2362 }
2363#else
2364 errno = ENOSYS;
2365#endif
2366}
2367
2368UV
2369get_fdlimit ()
2370 CODE:
2371#if HAVE_RLIMITS
2372 struct rlimit rl;
2373 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2374 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2375#endif
2376 XSRETURN_UNDEF;
2377 OUTPUT:
2378 RETVAL
2379
2380void
2381min_fdlimit (UV limit = 0x7fffffffU)
2382 CODE:
2383{
2384#if HAVE_RLIMITS
2385 struct rlimit rl;
2386 rlim_t orig_rlim_max;
2387 UV bit;
2388
2389 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2390 goto fail;
2391
2392 if (rl.rlim_cur == RLIM_INFINITY)
2393 XSRETURN_YES;
2394
2395 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2396
2397 if (rl.rlim_cur < limit)
2398 {
2399 rl.rlim_cur = limit;
2400
2401 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2402 rl.rlim_max = rl.rlim_cur;
2403 }
2404
2405 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2406 XSRETURN_YES;
2407
2408 if (errno == EPERM)
2409 {
2410 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2411 /* our limit overflows a system-wide limit */
2412 /* try an adaptive algorithm, but do not lower the hardlimit */
2413 rl.rlim_max = 0;
2414 for (bit = 0x40000000U; bit; bit >>= 1)
2415 {
2416 rl.rlim_max |= bit;
2417 rl.rlim_cur = rl.rlim_max;
2418
2419 /* nevr decrease the hard limit */
2420 if (rl.rlim_max < orig_rlim_max)
2421 break;
2422
2423 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2424 rl.rlim_max &= ~bit; /* too high, remove bit again */
2425 }
2426
2427 /* now, raise the soft limit to the max permitted */
2428 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2429 {
2430 rl.rlim_cur = rl.rlim_max;
2431 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2432 errno = EPERM;
2433 }
2434 }
2435#endif
2436 fail:
2437 XSRETURN_UNDEF;
2438}
1420 2439
1421void _on_next_submit (SV *cb) 2440void _on_next_submit (SV *cb)
1422 CODE: 2441 CODE:
1423 SvREFCNT_dec (on_next_submit); 2442 SvREFCNT_dec (on_next_submit);
1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2443 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425 2444
1426PROTOTYPES: DISABLE 2445PROTOTYPES: DISABLE
1427 2446
2447MODULE = IO::AIO PACKAGE = IO::AIO::WD
2448
2449BOOT:
2450{
2451 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2452 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2453}
2454
2455void
2456DESTROY (SV *self)
2457 CODE:
2458{
2459 aio_wd wd = SvAIO_WD (self);
2460#if HAVE_AT
2461 {
2462 SV *callback = &PL_sv_undef;
2463 dREQ; /* clobbers next_pri :/ */
2464 next_pri = req->pri; /* restore next_pri */
2465 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2466 req->type = EIO_WD_CLOSE;
2467 req->wd = wd;
2468 REQ_SEND;
2469 }
2470#else
2471 eio_wd_close_sync (wd);
2472#endif
2473}
2474
1428MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2475MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429 2476
1430void 2477void
1431cancel (aio_req_ornot req) 2478cancel (aio_req_ornot req)
1432 CODE: 2479 CODE:
1433 eio_cancel (req); 2480 eio_cancel (req);
1434 2481
1435void 2482void
1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2483cb (aio_req_ornot req, SV *callback = NO_INIT)
1437 PPCODE: 2484 PPCODE:
1438{ 2485{
1439 if (GIMME_V != G_VOID) 2486 if (GIMME_V != G_VOID)
1440 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2487 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1441 2488
1442 if (items > 1) 2489 if (items > 1)
1443 { 2490 {
1444 SV *cb_cv =get_cb (callback); 2491 SV *cb_cv = get_cb (callback);
1445 2492
1446 SvREFCNT_dec (req->callback); 2493 SvREFCNT_dec (req->callback);
1447 req->callback = SvREFCNT_inc (cb_cv); 2494 req->callback = SvREFCNT_inc (cb_cv);
1448 } 2495 }
1449} 2496}
… …
1506limit (aio_req grp, int limit) 2553limit (aio_req grp, int limit)
1507 CODE: 2554 CODE:
1508 eio_grp_limit (grp, limit); 2555 eio_grp_limit (grp, limit);
1509 2556
1510void 2557void
1511feed (aio_req grp, SV *callback=&PL_sv_undef) 2558feed (aio_req grp, SV *callback = &PL_sv_undef)
1512 CODE: 2559 CODE:
1513{ 2560{
1514 SvREFCNT_dec (grp->sv2); 2561 SvREFCNT_dec (grp->sv2);
1515 grp->sv2 = newSVsv (callback); 2562 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed; 2563 grp->feed = aio_grp_feed;

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