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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.143 by root, Sat Jun 6 19:44:17 2009 UTC vs.
Revision 1.264 by root, Tue Aug 14 11:44:52 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
8 12
9#include <stddef.h> 13#include <stddef.h>
10#include <stdlib.h> 14#include <stdlib.h>
11#include <errno.h> 15#include <errno.h>
12#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
13#include <sys/stat.h> 18#include <sys/stat.h>
14#include <limits.h> 19#include <limits.h>
15#include <fcntl.h> 20#include <fcntl.h>
16#include <sched.h> 21#include <sched.h>
17 22
23#if HAVE_SYS_SYSMACROS_H
24# include <sys/sysmacros.h>
25#endif
26
27#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
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
43#endif
44
18/* perl namespace pollution */ 45/* perl namespace pollution */
19#undef VERSION 46#undef VERSION
20
21#ifdef _WIN32
22
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions
28# undef open
29# undef read
30# undef write
31# undef send
32# undef recv
33# undef stat
34# undef fstat
35# define lstat stat
36# undef truncate
37# undef ftruncate
38# undef open
39# undef close
40# undef unlink
41# undef rmdir
42# undef rename
43# undef lseek
44
45# define chown(a,b,c) (errno = ENOSYS, -1)
46# define fchown(a,b,c) (errno = ENOSYS, -1)
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58
59#else
60
61# include <sys/time.h>
62# include <sys/select.h>
63# include <unistd.h>
64# include <utime.h>
65# include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67
68#endif
69 47
70/* perl stupidly overrides readdir and maybe others */ 48/* perl stupidly overrides readdir and maybe others */
71/* with thread-unsafe versions, imagine that :( */ 49/* with thread-unsafe versions, imagine that :( */
72#undef readdir 50#undef readdir
73#undef opendir 51#undef opendir
74#undef closedir 52#undef closedir
75 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
76#define EIO_STRUCT_STAT Stat_t 89 #define EIO_STRUCT_STATI64
77 90
78/* use NV for 32 bit perls as it allows larger offsets */
79#if IVSIZE >= 8
80# define SvVAL64 SvIV
81#else 91#else
82# define SvVAL64 SvNV 92
93 #include <sys/time.h>
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
83#endif 101#endif
84 102
85/*****************************************************************************/ 103/*****************************************************************************/
86 104
87#if __GNUC__ >= 3 105#if __GNUC__ >= 3
… …
93#define expect_false(expr) expect ((expr) != 0, 0) 111#define expect_false(expr) expect ((expr) != 0, 0)
94#define expect_true(expr) expect ((expr) != 0, 1) 112#define expect_true(expr) expect ((expr) != 0, 1)
95 113
96/*****************************************************************************/ 114/*****************************************************************************/
97 115
98static HV *stash; 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
99typedef SV SV8; /* byte-sv, used for argument-checking */ 147typedef SV SV8; /* byte-sv, used for argument-checking */
148typedef int aio_rfd; /* read file desriptor */
149typedef int aio_wfd; /* write file descriptor */
100 150
101#define AIO_REQ_KLASS "IO::AIO::REQ" 151static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
102#define AIO_GRP_KLASS "IO::AIO::GRP"
103 152
104#define EIO_REQ_MEMBERS \ 153#define EIO_REQ_MEMBERS \
105 SV *callback; \ 154 SV *callback; \
106 SV *sv1, *sv2; \ 155 SV *sv1, *sv2; \
156 SV *sv3, *sv4; \
107 STRLEN stroffset; \ 157 STRLEN stroffset; \
108 SV *self; 158 SV *self;
109 159
110#define EIO_NO_WRAPPERS 1 160#define EIO_NO_WRAPPERS 1
111 161
… …
114static int req_invoke (eio_req *req); 164static int req_invoke (eio_req *req);
115#define EIO_FINISH(req) req_invoke (req) 165#define EIO_FINISH(req) req_invoke (req)
116static void req_destroy (eio_req *grp); 166static void req_destroy (eio_req *grp);
117#define EIO_DESTROY(req) req_destroy (req) 167#define EIO_DESTROY(req) req_destroy (req)
118 168
169#include "libeio/eio.c"
170
171#if !HAVE_POSIX_FADVISE
172# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
173#endif
174
175#if !HAVE_POSIX_MADVISE
176# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
177#endif
178
179#ifndef MAP_ANONYMOUS
180# ifdef MAP_ANON
181# define MAP_ANONYMOUS MAP_ANON
182# else
183# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
184# endif
185#endif
186
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
198# define PAGESIZE sysconf (_SC_PAGESIZE)
199#endif
200
201/*****************************************************************************/
202
203#if !_POSIX_MAPPED_FILES
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/*****************************************************************************/
401
119enum { 402enum {
120 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 403 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
121}; 404};
122 405
123#include "libeio/eio.c"
124
125typedef eio_req *aio_req; 406typedef eio_req *aio_req;
126typedef eio_req *aio_req_ornot; 407typedef eio_req *aio_req_ornot;
408typedef eio_wd aio_wd;
127 409
128static SV *on_next_submit; 410static SV *on_next_submit;
129static int next_pri = EIO_PRI_DEFAULT; 411static int next_pri = EIO_PRI_DEFAULT;
130static int max_outstanding; 412static int max_outstanding;
131 413
132static int respipe_osf [2], respipe [2] = { -1, -1 }; 414static s_epipe respipe;
133 415
134static void req_destroy (aio_req req); 416static void req_destroy (aio_req req);
135static void req_cancel (aio_req req); 417static void req_cancel (aio_req req);
136 418
137static void want_poll (void) 419static void
420want_poll (void)
138{ 421{
139 /* write a dummy byte to the pipe so fh becomes ready */ 422 /* write a dummy byte to the pipe so fh becomes ready */
140 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 423 s_epipe_signal (&respipe);
141} 424}
142 425
143static void done_poll (void) 426static void
427done_poll (void)
144{ 428{
145 /* read any signals sent by the worker threads */ 429 /* read any signals sent by the worker threads */
146 char buf [4]; 430 s_epipe_drain (&respipe);
147 while (respipe_read (respipe [0], buf, 4) == 4)
148 ;
149} 431}
150 432
151/* must be called at most once */ 433/* must be called at most once */
152static SV *req_sv (aio_req req, const char *klass) 434static SV *
435req_sv (aio_req req, HV *stash)
153{ 436{
154 if (!req->self) 437 if (!req->self)
155 { 438 {
156 req->self = (SV *)newHV (); 439 req->self = (SV *)newHV ();
157 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 440 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
158 } 441 }
159 442
160 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 443 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
161} 444}
162 445
163static 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)
164{ 454{
165 MAGIC *mg; 455 MAGIC *mg;
166 456
167 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 457 if (!SvROK (sv)
458 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
459 || (SvSTASH (SvRV (sv)) != aio_grp_stash
460 && SvSTASH (SvRV (sv)) != aio_req_stash
461 && !sv_derived_from (sv, "IO::AIO::REQ")))
168 croak ("object of class " AIO_REQ_KLASS " expected"); 462 croak ("object of class IO::AIO::REQ expected");
169 463
170 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 464 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
171 465
172 return mg ? (aio_req)mg->mg_ptr : 0; 466 return mg ? (aio_req)mg->mg_ptr : 0;
173} 467}
174 468
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
175static void aio_grp_feed (aio_req grp) 506aio_grp_feed (aio_req grp)
176{ 507{
177 if (grp->sv2 && SvOK (grp->sv2)) 508 if (grp->sv2 && SvOK (grp->sv2))
178 { 509 {
179 dSP; 510 dSP;
180 511
181 ENTER; 512 ENTER;
182 SAVETMPS; 513 SAVETMPS;
183 PUSHMARK (SP); 514 PUSHMARK (SP);
184 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 515 XPUSHs (req_sv (grp, aio_grp_stash));
185 PUTBACK; 516 PUTBACK;
186 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 517 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
187 SPAGAIN; 518 SPAGAIN;
188 FREETMPS; 519 FREETMPS;
189 LEAVE; 520 LEAVE;
190 } 521 }
191} 522}
192 523
524static void
193static void req_submit (eio_req *req) 525req_submit (eio_req *req)
194{ 526{
195 eio_submit (req); 527 eio_submit (req);
196 528
197 if (expect_false (on_next_submit)) 529 if (expect_false (on_next_submit))
198 { 530 {
… …
205 PUTBACK; 537 PUTBACK;
206 call_sv (cb, G_DISCARD | G_EVAL); 538 call_sv (cb, G_DISCARD | G_EVAL);
207 } 539 }
208} 540}
209 541
542static int
210static int req_invoke (eio_req *req) 543req_invoke (eio_req *req)
211{ 544{
212 dSP;
213
214 if (req->flags & FLAG_SV2_RO_OFF) 545 if (req->flags & FLAG_SV2_RO_OFF)
215 SvREADONLY_off (req->sv2); 546 SvREADONLY_off (req->sv2);
216 547
217 if (!EIO_CANCELLED (req) && req->callback) 548 if (!EIO_CANCELLED (req) && req->callback)
218 { 549 {
550 dSP;
551 static SV *sv_result_cache; /* caches the result integer SV */
552 SV *sv_result;
553
219 ENTER; 554 ENTER;
220 SAVETMPS; 555 SAVETMPS;
221 PUSHMARK (SP); 556 PUSHMARK (SP);
222 EXTEND (SP, 1); 557 EXTEND (SP, 1);
223 558
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
224 switch (req->type) 572 switch (req->type)
225 { 573 {
574 case EIO_WD_OPEN:
575 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
576 break;
577
226 case EIO_READDIR: 578 case EIO_READDIR:
227 { 579 {
228 SV *rv = &PL_sv_undef; 580 SV *rv = &PL_sv_undef;
229 581
230 if (req->result >= 0) 582 if (req->result >= 0)
231 { 583 {
232 int i; 584 int i;
233 char *buf = req->ptr2; 585 char *names = (char *)req->ptr2;
586 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
234 AV *av = newAV (); 587 AV *av = newAV ();
235 588
236 av_extend (av, req->result - 1); 589 av_extend (av, req->result - 1);
237 590
238 for (i = 0; i < req->result; ++i) 591 for (i = 0; i < req->result; ++i)
239 { 592 {
240 if (req->int1 & EIO_READDIR_DENTS) 593 if (req->int1 & EIO_READDIR_DENTS)
241 { 594 {
242 eio_dirent *ent = (eio_dirent *)buf;
243 SV *namesv = newSVpvn (ent->name, ent->namelen); 595 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
244 596
245 if (req->int1 & EIO_READDIR_CUSTOM2) 597 if (req->int1 & EIO_READDIR_CUSTOM2)
246 { 598 {
247 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */ 599 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
248 AV *avent = newAV (); 600 AV *avent = newAV ();
… …
262 av_store (av, i, newRV_noinc ((SV *)avent)); 614 av_store (av, i, newRV_noinc ((SV *)avent));
263 } 615 }
264 else 616 else
265 av_store (av, i, namesv); 617 av_store (av, i, namesv);
266 618
267 buf += sizeof (eio_dirent); 619 ++ent;
268 } 620 }
269 else 621 else
270 { 622 {
271 SV *name = newSVpv (buf, 0); 623 SV *name = newSVpv (names, 0);
272 av_store (av, i, name); 624 av_store (av, i, name);
273 buf += SvCUR (name) + 1; 625 names += SvCUR (name) + 1;
274 } 626 }
275 } 627 }
276 628
277 rv = sv_2mortal (newRV_noinc ((SV *)av)); 629 rv = sv_2mortal (newRV_noinc ((SV *)av));
278 } 630 }
… …
283 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))));
284 } 636 }
285 break; 637 break;
286 638
287 case EIO_OPEN: 639 case EIO_OPEN:
640 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
641 break;
642
643 case EIO_STATVFS:
644 case EIO_FSTATVFS:
288 { 645 {
289 /* convert fd to fh */
290 SV *fh = &PL_sv_undef; 646 SV *rv = &PL_sv_undef;
291 647
648#ifndef _WIN32
292 if (req->result >= 0) 649 if (req->result >= 0)
293 { 650 {
651 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
294 GV *gv = (GV *)sv_newmortal (); 652 HV *hv = newHV ();
295 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 653 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
296 char sym [64]; 654 * chooses to make it a struct.
297 int symlen;
298 655 */
299 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 656 unsigned long fsid = 0;
300 gv_init (gv, stash, sym, symlen, 0); 657 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
301 658
302 symlen = snprintf ( 659 rv = sv_2mortal (newRV_noinc ((SV *)hv));
303 sym,
304 sizeof (sym),
305 "%s&=%d",
306 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
307 req->result
308 );
309 660
310 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 661 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
311 fh = (SV *)gv; 662 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
663 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
664 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
665 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
666 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
667 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
668 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
669 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
670 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
671 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
312 } 672 }
673#endif
313 674
314 PUSHs (fh); 675 PUSHs (rv);
315 } 676 }
677
316 break; 678 break;
317 679
318 case EIO_GROUP: 680 case EIO_GROUP:
319 req->int1 = 2; /* mark group as finished */ 681 req->int1 = 2; /* mark group as finished */
320 682
… …
332 case EIO_NOP: 694 case EIO_NOP:
333 case EIO_BUSY: 695 case EIO_BUSY:
334 break; 696 break;
335 697
336 case EIO_READLINK: 698 case EIO_READLINK:
699 case EIO_REALPATH:
337 if (req->result > 0) 700 if (req->result > 0)
338 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 701 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
339 break; 702 break;
340 703
341 case EIO_STAT: 704 case EIO_STAT:
342 case EIO_LSTAT: 705 case EIO_LSTAT:
343 case EIO_FSTAT: 706 case EIO_FSTAT:
344 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 707 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
708
345 PL_laststatval = req->result; 709 if (!(PL_laststatval = req->result))
710 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
346 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 711 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
347 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)));
348 break; 718 break;
349 719
350 case EIO_READ: 720 case EIO_READ:
351 { 721 {
352 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));
353 *SvEND (req->sv2) = 0; 723 *SvEND (req->sv2) = 0;
354 SvPOK_only (req->sv2); 724 SvPOK_only (req->sv2);
355 SvSETMAGIC (req->sv2); 725 SvSETMAGIC (req->sv2);
356 PUSHs (sv_2mortal (newSViv (req->result))); 726 PUSHs (sv_result);
357 } 727 }
358 break; 728 break;
359 729
360 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 */
361 if (req->result > 0) 795 if (req->result > 0)
362 req->result = 0; 796 SvIV_set (sv_result, 0);
363 /* FALLTHROUGH */ 797 /* FALLTHROUGH */
364 798
365 default: 799 default:
366 PUSHs (sv_2mortal (newSViv (req->result))); 800 PUSHs (sv_result);
367 break; 801 break;
368 } 802 }
369 803
370 errno = req->errorno; 804 errno = req->errorno;
371 805
372 PUTBACK; 806 PUTBACK;
373 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 807 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
374 SPAGAIN; 808 SPAGAIN;
375 809
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
376 FREETMPS; 815 FREETMPS;
377 LEAVE; 816 LEAVE;
378 817
379 PUTBACK; 818 PUTBACK;
380 } 819 }
381 820
382 return !!SvTRUE (ERRSV); 821 return !!SvTRUE (ERRSV);
383} 822}
384 823
824static void
385static void req_destroy (aio_req req) 825req_destroy (aio_req req)
386{ 826{
387 if (req->self) 827 if (req->self)
388 { 828 {
389 sv_unmagic (req->self, PERL_MAGIC_ext); 829 sv_unmagic (req->self, PERL_MAGIC_ext);
390 SvREFCNT_dec (req->self); 830 SvREFCNT_dec (req->self);
391 } 831 }
392 832
393 SvREFCNT_dec (req->sv1); 833 SvREFCNT_dec (req->sv1);
394 SvREFCNT_dec (req->sv2); 834 SvREFCNT_dec (req->sv2);
835 SvREFCNT_dec (req->sv3);
836 SvREFCNT_dec (req->sv4);
395 SvREFCNT_dec (req->callback); 837 SvREFCNT_dec (req->callback);
396 838
397 Safefree (req); 839 free (req);
398} 840}
399 841
842static void
400static void req_cancel_subs (aio_req grp) 843req_cancel_subs (aio_req grp)
401{ 844{
402 aio_req sub;
403
404 if (grp->type != EIO_GROUP) 845 if (grp->type != EIO_GROUP)
405 return; 846 return;
406 847
407 SvREFCNT_dec (grp->sv2); 848 SvREFCNT_dec (grp->sv2);
408 grp->sv2 = 0; 849 grp->sv2 = 0;
409 850
410 eio_grp_cancel (grp); 851 eio_grp_cancel (grp);
411} 852}
412 853
413#ifdef USE_SOCKETS_AS_HANDLES 854static void ecb_cold
414# define TO_SOCKET(x) (win32_get_osfhandle (x)) 855create_respipe (void)
415#else 856{
416# define TO_SOCKET(x) (x) 857 if (s_epipe_renew (&respipe))
417#endif 858 croak ("IO::AIO: unable to initialize result pipe");
859}
418 860
419static void 861static void
420create_respipe (void) 862poll_wait (void)
421{ 863{
422 int old_readfd = respipe [0];
423
424 if (respipe [1] >= 0)
425 respipe_close (TO_SOCKET (respipe [1]));
426
427#ifdef _WIN32
428 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
429#else
430 if (pipe (respipe))
431#endif
432 croak ("unable to initialize result pipe");
433
434 if (old_readfd >= 0)
435 {
436 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
437 croak ("unable to initialize result pipe(2)");
438
439 respipe_close (respipe [0]);
440 respipe [0] = old_readfd;
441 }
442
443#ifdef _WIN32
444 int arg = 1;
445 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
446 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
447#else
448 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
449 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
450#endif
451 croak ("unable to initialize result pipe(3)");
452
453 respipe_osf [0] = TO_SOCKET (respipe [0]);
454 respipe_osf [1] = TO_SOCKET (respipe [1]);
455}
456
457static void poll_wait (void)
458{
459 fd_set rfd;
460
461 while (eio_nreqs ()) 864 while (eio_nreqs ())
462 { 865 {
463 int size; 866 int size;
464 867
465 X_LOCK (reslock); 868 X_LOCK (EIO_POOL->reslock);
466 size = res_queue.size; 869 size = EIO_POOL->res_queue.size;
467 X_UNLOCK (reslock); 870 X_UNLOCK (EIO_POOL->reslock);
468 871
469 if (size) 872 if (size)
470 return; 873 return;
471 874
472 etp_maybe_start_thread (); 875 etp_maybe_start_thread (EIO_POOL);
473 876
474 FD_ZERO (&rfd); 877 s_epipe_wait (&respipe);
475 FD_SET (respipe [0], &rfd);
476
477 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
478 } 878 }
479} 879}
480 880
481static int poll_cb (void) 881static int
882poll_cb (void)
482{ 883{
483 for (;;) 884 for (;;)
484 { 885 {
485 int res = eio_poll (); 886 int res = eio_poll ();
486 887
… …
492 893
493 poll_wait (); 894 poll_wait ();
494 } 895 }
495} 896}
496 897
497static void atfork_child (void) 898static void ecb_cold
899reinit (void)
498{ 900{
499 create_respipe (); 901 create_respipe ();
902
903 if (eio_init (want_poll, done_poll) < 0)
904 croak ("IO::AIO: unable to initialise eio library");
500} 905}
906
907/*****************************************************************************/
501 908
502static SV * 909static SV *
503get_cb (SV *cb_sv) 910get_cb (SV *cb_sv)
504{ 911{
505 HV *st; 912 SvGETMAGIC (cb_sv);
506 GV *gvp; 913 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
914}
915
916static aio_req ecb_noinline
917dreq (SV *callback)
918{
507 CV *cv; 919 SV *cb_cv;
920 aio_req req;
921 int req_pri = next_pri;
922 next_pri = EIO_PRI_DEFAULT;
508 923
509 if (!SvOK (cb_sv)) 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
510 return 0; 933 return req;
511
512 cv = sv_2cv (cb_sv, &st, &gvp, 0);
513
514 if (!cv)
515 croak ("IO::AIO callback must be undef or a CODE reference");
516
517 return (SV *)cv;
518} 934}
519 935
520#define dREQ \ 936#define dREQ \
521 SV *cb_cv; \ 937 aio_req req = dreq (callback); \
522 aio_req req; \
523 int req_pri = next_pri; \
524 next_pri = EIO_PRI_DEFAULT; \
525 \
526 cb_cv = get_cb (callback); \
527 \
528 Newz (0, req, 1, eio_req); \
529 if (!req) \
530 croak ("out of memory during eio_req allocation"); \
531 \
532 req->callback = SvREFCNT_inc (cb_cv); \
533 req->pri = req_pri
534 938
535#define REQ_SEND \ 939#define REQ_SEND \
536 PUTBACK; \ 940 PUTBACK; \
537 req_submit (req); \ 941 req_submit (req); \
538 SPAGAIN; \ 942 SPAGAIN; \
539 \ 943 \
540 if (GIMME_V != G_VOID) \ 944 if (GIMME_V != G_VOID) \
541 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 945 XPUSHs (req_sv (req, aio_req_stash));
542 946
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
543static int 1013static void
544extract_fd (SV *fh, int wr) 1014ts_set (struct timespec *ts, NV value)
545{ 1015{
546 int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); 1016 ts->tv_sec = value;
547 1017 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
548 if (fd < 0)
549 croak ("illegal fh argument, either not an OS file or read/write mode mismatch");
550
551 return fd;
552} 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;
553 1029
554MODULE = IO::AIO PACKAGE = IO::AIO 1030MODULE = IO::AIO PACKAGE = IO::AIO
555 1031
556PROTOTYPES: ENABLE 1032PROTOTYPES: ENABLE
557 1033
558BOOT: 1034BOOT:
559{ 1035{
560 stash = gv_stashpv ("IO::AIO", 1);
561
562 static const struct { 1036 static const struct {
563 const char *name; 1037 const char *name;
564 IV iv; 1038 IV iv;
565 } *civ, const_iv[] = { 1039 } *civ, const_iv[] = {
566# define const_iv(name, value) { # name, (IV) value }, 1040# define const_niv(name, value) { # name, (IV) value },
1041# define const_iv(name) { # name, (IV) name },
567# define const_eio(name) { # name, (IV) EIO_ ## name }, 1042# define const_eio(name) { # name, (IV) EIO_ ## name },
568 const_iv (EXDEV , EXDEV) 1043
1044 /* you have to re-run ./gendef0 after adding/removing any constants here */
1045 /* the first block can be undef if missing */
569 const_iv (ENOSYS , ENOSYS) 1046 const_iv (ENOSYS)
1047 const_iv (EXDEV)
1048 const_iv (EBADR)
1049
1050 /* for lseek */
1051 const_iv (SEEK_DATA)
1052 const_iv (SEEK_HOLE)
1053
1054 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1055 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1056 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1057 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1058 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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
570 const_iv (O_RDONLY, O_RDONLY) 1070 const_iv (O_RDONLY)
571 const_iv (O_WRONLY, O_WRONLY) 1071 const_iv (O_WRONLY)
1072 const_iv (O_RDWR)
572 const_iv (O_CREAT , O_CREAT) 1073 const_iv (O_CREAT)
573 const_iv (O_TRUNC , O_TRUNC) 1074 const_iv (O_TRUNC)
574#ifndef _WIN32 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
575 const_iv (S_IFIFO , S_IFIFO) 1096 const_iv (S_IFIFO)
576#endif 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)
1105
1106 const_iv (ST_RDONLY)
1107 const_iv (ST_NOSUID)
1108 const_iv (ST_NODEV)
1109 const_iv (ST_NOEXEC)
1110 const_iv (ST_SYNCHRONOUS)
1111 const_iv (ST_MANDLOCK)
1112 const_iv (ST_WRITE)
1113 const_iv (ST_APPEND)
1114 const_iv (ST_IMMUTABLE)
1115 const_iv (ST_NOATIME)
1116 const_iv (ST_NODIRATIME)
1117 const_iv (ST_RELATIME)
1118
1119 const_iv (PROT_NONE)
1120 const_iv (PROT_EXEC)
1121 const_iv (PROT_READ)
1122 const_iv (PROT_WRITE)
1123
1124 const_iv (MAP_PRIVATE)
1125 const_iv (MAP_SHARED)
1126 const_iv (MAP_FIXED)
1127 const_iv (MAP_ANONYMOUS)
1128
1129 /* linuxish */
1130 const_iv (MAP_LOCKED)
1131 const_iv (MAP_NORESERVE)
1132 const_iv (MAP_POPULATE)
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)
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
1249 const_eio (MCL_FUTURE)
1250 const_eio (MCL_CURRENT)
1251
1252 const_eio (MS_ASYNC)
1253 const_eio (MS_INVALIDATE)
1254 const_eio (MS_SYNC)
1255
1256 const_eio (MT_MODIFY)
1257
577 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1258 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
578 const_eio (SYNC_FILE_RANGE_WRITE) 1259 const_eio (SYNC_FILE_RANGE_WRITE)
579 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)
580 1272
581 const_eio (READDIR_DENTS) 1273 const_eio (READDIR_DENTS)
582 const_eio (READDIR_DIRS_FIRST) 1274 const_eio (READDIR_DIRS_FIRST)
583 const_eio (READDIR_STAT_ORDER) 1275 const_eio (READDIR_STAT_ORDER)
584 const_eio (READDIR_FOUND_UNKNOWN) 1276 const_eio (READDIR_FOUND_UNKNOWN)
… …
592 const_eio (DT_LNK) 1284 const_eio (DT_LNK)
593 const_eio (DT_SOCK) 1285 const_eio (DT_SOCK)
594 const_eio (DT_WHT) 1286 const_eio (DT_WHT)
595 }; 1287 };
596 1288
1289 aio_stash = gv_stashpv ("IO::AIO" , 1);
1290 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1291 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1292 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
1293
597 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--)
598 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1295 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
599 1296
600 create_respipe (); 1297 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
601 1298
602 if (eio_init (want_poll, done_poll) < 0) 1299 reinit ();
603 croak ("IO::AIO: unable to initialise eio library");
604
605 /* atfork child called in fifo order, so before eio's handler */
606 X_THREAD_ATFORK (0, 0, atfork_child);
607} 1300}
608 1301
609void 1302void
1303reinit ()
1304 PROTOTYPE:
1305
1306void
610max_poll_reqs (int nreqs) 1307max_poll_reqs (unsigned int nreqs)
611 PROTOTYPE: $ 1308 PROTOTYPE: $
612 CODE: 1309 CODE:
613 eio_set_max_poll_reqs (nreqs); 1310 eio_set_max_poll_reqs (nreqs);
614 1311
615void 1312void
… …
617 PROTOTYPE: $ 1314 PROTOTYPE: $
618 CODE: 1315 CODE:
619 eio_set_max_poll_time (nseconds); 1316 eio_set_max_poll_time (nseconds);
620 1317
621void 1318void
622min_parallel (int nthreads) 1319min_parallel (unsigned int nthreads)
623 PROTOTYPE: $ 1320 PROTOTYPE: $
624 CODE: 1321 CODE:
625 eio_set_min_parallel (nthreads); 1322 eio_set_min_parallel (nthreads);
626 1323
627void 1324void
628max_parallel (int nthreads) 1325max_parallel (unsigned int nthreads)
629 PROTOTYPE: $ 1326 PROTOTYPE: $
630 CODE: 1327 CODE:
631 eio_set_max_parallel (nthreads); 1328 eio_set_max_parallel (nthreads);
632 1329
633void 1330void
634max_idle (int nthreads) 1331max_idle (unsigned int nthreads)
635 PROTOTYPE: $ 1332 PROTOTYPE: $
636 CODE: 1333 CODE:
637 eio_set_max_idle (nthreads); 1334 eio_set_max_idle (nthreads);
638 1335
639void 1336void
1337idle_timeout (unsigned int seconds)
1338 PROTOTYPE: $
1339 CODE:
1340 eio_set_idle_timeout (seconds);
1341
1342void
640max_outstanding (int maxreqs) 1343max_outstanding (unsigned int maxreqs)
641 PROTOTYPE: $ 1344 PROTOTYPE: $
642 CODE: 1345 CODE:
643 max_outstanding = maxreqs; 1346 max_outstanding = maxreqs;
644 1347
645void 1348void
646aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1349aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
647 PROTOTYPE: $$$;$
648 PPCODE: 1350 PPCODE:
649{ 1351{
650 dREQ; 1352 dREQ;
651 1353
1354 req->type = EIO_WD_OPEN;
1355 req_set_path1 (req, pathname);
1356
1357 REQ_SEND;
1358}
1359
1360void
1361aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
652 req->type = EIO_OPEN; 1366 req->type = EIO_OPEN;
653 req->sv1 = newSVsv (pathname); 1367 req_set_path1 (req, pathname);
654 req->ptr1 = SvPVbyte_nolen (req->sv1);
655 req->int1 = flags; 1368 req->int1 = flags;
656 req->int2 = mode; 1369 req->int2 = mode;
657 1370
658 REQ_SEND; 1371 REQ_SEND;
659} 1372}
660 1373
661void 1374void
662aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1375aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $;$
664 ALIAS: 1376 ALIAS:
665 aio_fsync = EIO_FSYNC 1377 aio_fsync = EIO_FSYNC
666 aio_fdatasync = EIO_FDATASYNC 1378 aio_fdatasync = EIO_FDATASYNC
1379 aio_syncfs = EIO_SYNCFS
667 PPCODE: 1380 PPCODE:
668{ 1381{
669 int fd = extract_fd (fh, 0); 1382 int fd = s_fileno_croak (fh, 0);
670 dREQ; 1383 dREQ;
671 1384
672 req->type = ix; 1385 req->type = ix;
673 req->sv1 = newSVsv (fh); 1386 req->sv1 = newSVsv (fh);
674 req->int1 = fd; 1387 req->int1 = fd;
675 1388
676 REQ_SEND (req); 1389 REQ_SEND;
677} 1390}
678 1391
679void 1392void
680aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) 1393aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $$$$;$
682 PPCODE: 1394 PPCODE:
683{ 1395{
684 int fd = extract_fd (fh, 0); 1396 int fd = s_fileno_croak (fh, 0);
685 dREQ; 1397 dREQ;
686 1398
687 req->type = EIO_SYNC_FILE_RANGE; 1399 req->type = EIO_SYNC_FILE_RANGE;
688 req->sv1 = newSVsv (fh); 1400 req->sv1 = newSVsv (fh);
689 req->int1 = fd; 1401 req->int1 = fd;
690 req->offs = SvVAL64 (offset); 1402 req->offs = offset;
691 req->size = SvVAL64 (nbytes); 1403 req->size = nbytes;
692 req->int2 = flags; 1404 req->int2 = flags;
693 1405
694 REQ_SEND (req); 1406 REQ_SEND;
695} 1407}
696 1408
697void 1409void
698aio_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)
699 PROTOTYPE: $;$
700 PPCODE: 1411 PPCODE:
701{ 1412{
702 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1413 int fd = s_fileno_croak (fh, 0);
703 int fd = extract_fd (fh, 0);
704 dREQ; 1414 dREQ;
705 1415
706 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))
707 { 1435 {
708 int pipefd [2]; 1436 int pipefd [2];
709 1437
1438 if (
1439#ifdef _WIN32
1440 _pipe (pipefd, 1, _O_BINARY) < 0
1441#else
710 if (pipe (pipefd) < 0 1442 pipe (pipefd) < 0
711 || close (pipefd [1]) < 0
712 || 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 )
713 abort (); /*D*/ 1447 abort (); /*D*/
714 1448
715 close_pipe = pipefd [0]; 1449 close_fd = pipefd [0];
716 } 1450 }
717 1451
718 req->type = EIO_DUP2; 1452 req->type = EIO_DUP2;
719 req->int1 = close_pipe; 1453 req->int1 = close_fd;
720 req->sv2 = newSVsv (fh); 1454 req->sv2 = newSVsv (fh);
721 req->int2 = fd; 1455 req->int2 = fd;
722 1456
723 REQ_SEND (req); 1457 REQ_SEND;
724} 1458}
725 1459
726void 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
727aio_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)
728 ALIAS: 1478 ALIAS:
729 aio_read = EIO_READ 1479 aio_read = EIO_READ
730 aio_write = EIO_WRITE 1480 aio_write = EIO_WRITE
731 PROTOTYPE: $$$$$;$
732 PPCODE: 1481 PPCODE:
733{ 1482{
734 STRLEN svlen; 1483 STRLEN svlen;
735 int fd = extract_fd (fh, ix == EIO_WRITE); 1484 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
736 char *svptr = SvPVbyte (data, svlen); 1485 char *svptr = SvPVbyte (data, svlen);
737 UV len = SvUV (length); 1486 UV len = SvUV (length);
738 1487
739 if (dataoffset < 0) 1488 if (dataoffset < 0)
740 dataoffset += svlen; 1489 dataoffset += svlen;
… …
749 len = svlen - dataoffset; 1498 len = svlen - dataoffset;
750 } 1499 }
751 else 1500 else
752 { 1501 {
753 /* read: check type and grow scalar as necessary */ 1502 /* read: check type and grow scalar as necessary */
754 SvUPGRADE (data, SVt_PV); 1503 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
755 svptr = SvGROW (data, len + dataoffset + 1); 1504 svptr = sv_grow (data, len + dataoffset + 1);
1505 else if (SvCUR (data) < len + dataoffset)
1506 croak ("length + dataoffset outside of scalar, and cannot grow");
756 } 1507 }
757 1508
758 { 1509 {
759 dREQ; 1510 dREQ;
760 1511
… …
776 REQ_SEND; 1527 REQ_SEND;
777 } 1528 }
778} 1529}
779 1530
780void 1531void
781aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1532aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
782 PROTOTYPE: $$;$ 1533 ALIAS:
1534 aio_ioctl = EIO_IOCTL
1535 aio_fcntl = EIO_FCNTL
783 PPCODE: 1536 PPCODE:
784{ 1537{
785 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{
786 dREQ; 1578 dREQ;
787 1579
788 req->type = EIO_READLINK; 1580 req->type = ix;
789 req->sv1 = newSVsv (path); 1581 req_set_path1 (req, pathname);
790 req->ptr1 = SvPVbyte_nolen (req->sv1);
791 1582
792 REQ_SEND; 1583 REQ_SEND;
793} 1584}
794 1585
795void 1586void
796aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV 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)
797 PROTOTYPE: $$$$;$
798 PPCODE: 1588 PPCODE:
799{ 1589{
800 int ifd = extract_fd (in_fh , 0); 1590 int ifd = s_fileno_croak (in_fh , 0);
801 int ofd = extract_fd (out_fh, 0); 1591 int ofd = s_fileno_croak (out_fh, 1);
802 dREQ; 1592 dREQ;
803 1593
804 req->type = EIO_SENDFILE; 1594 req->type = EIO_SENDFILE;
805 req->sv1 = newSVsv (out_fh); 1595 req->sv1 = newSVsv (out_fh);
806 req->int1 = ofd; 1596 req->int1 = ofd;
807 req->sv2 = newSVsv (in_fh); 1597 req->sv2 = newSVsv (in_fh);
808 req->int2 = ifd; 1598 req->int2 = ifd;
809 req->offs = SvVAL64 (in_offset); 1599 req->offs = in_offset;
810 req->size = length; 1600 req->size = length;
811 1601
812 REQ_SEND; 1602 REQ_SEND;
813} 1603}
814 1604
815void 1605void
816aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1606aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
817 PROTOTYPE: $$$;$
818 PPCODE: 1607 PPCODE:
819{ 1608{
820 int fd = extract_fd (fh, 0); 1609 int fd = s_fileno_croak (fh, 0);
821 dREQ; 1610 dREQ;
822 1611
823 req->type = EIO_READAHEAD; 1612 req->type = EIO_READAHEAD;
824 req->sv1 = newSVsv (fh); 1613 req->sv1 = newSVsv (fh);
825 req->int1 = fd; 1614 req->int1 = fd;
826 req->offs = SvVAL64 (offset); 1615 req->offs = offset;
827 req->size = length; 1616 req->size = length;
828 1617
829 REQ_SEND; 1618 REQ_SEND;
830} 1619}
831 1620
832void 1621void
833aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1622aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
834 ALIAS: 1623 ALIAS:
835 aio_stat = EIO_STAT 1624 aio_stat = EIO_STAT
836 aio_lstat = EIO_LSTAT 1625 aio_lstat = EIO_LSTAT
1626 aio_statvfs = EIO_STATVFS
837 PPCODE: 1627 PPCODE:
838{ 1628{
839 dREQ; 1629 dREQ;
840 1630
841 req->sv1 = newSVsv (fh_or_path); 1631 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
842
843 if (SvPOK (req->sv1))
844 {
845 req->type = ix;
846 req->ptr1 = SvPVbyte_nolen (req->sv1);
847 }
848 else
849 {
850 req->type = EIO_FSTAT;
851 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
852 }
853 1632
854 REQ_SEND; 1633 REQ_SEND;
855} 1634}
856 1635
857void 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
858aio_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)
859 PPCODE: 1680 PPCODE:
860{ 1681{
861 dREQ; 1682 dREQ;
862 1683
863 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1684 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
864 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1685 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
865 req->sv1 = newSVsv (fh_or_path); 1686 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
866
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_UTIME;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FUTIME;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1687
878 REQ_SEND; 1688 REQ_SEND;
879} 1689}
880 1690
881void 1691void
882aio_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)
883 PPCODE: 1693 PPCODE:
884{ 1694{
885 dREQ; 1695 dREQ;
886 1696
887 req->sv1 = newSVsv (fh_or_path);
888 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1697 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
889 1698 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
890 if (SvPOK (req->sv1))
891 {
892 req->type = EIO_TRUNCATE;
893 req->ptr1 = SvPVbyte_nolen (req->sv1);
894 }
895 else
896 {
897 req->type = EIO_FTRUNCATE;
898 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899 }
900 1699
901 REQ_SEND; 1700 REQ_SEND;
902} 1701}
903 1702
904void 1703void
905aio_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)
906 ALIAS:
907 aio_chmod = EIO_CHMOD
908 aio_mkdir = EIO_MKDIR
909 PPCODE: 1705 PPCODE:
910{ 1706{
911 dREQ; 1707 dREQ;
912 1708
913 req->int2 = mode; 1709 req->int2 = mode;
914 req->sv1 = newSVsv (fh_or_path); 1710 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
915
916 if (SvPOK (req->sv1))
917 {
918 req->type = ix;
919 req->ptr1 = SvPVbyte_nolen (req->sv1);
920 }
921 else
922 {
923 req->type = EIO_FCHMOD;
924 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
925 }
926 1711
927 REQ_SEND; 1712 REQ_SEND;
928} 1713}
929 1714
930void 1715void
931aio_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)
932 PPCODE: 1717 PPCODE:
933{ 1718{
934 dREQ; 1719 dREQ;
935 1720
936 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1721 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
937 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1722 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
938 req->sv1 = newSVsv (fh_or_path); 1723 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
939
940 if (SvPOK (req->sv1))
941 {
942 req->type = EIO_CHOWN;
943 req->ptr1 = SvPVbyte_nolen (req->sv1);
944 }
945 else
946 {
947 req->type = EIO_FCHOWN;
948 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
949 }
950 1724
951 REQ_SEND; 1725 REQ_SEND;
952} 1726}
953 1727
954void 1728void
955aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1729aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
956 PPCODE: 1730 PPCODE:
957{ 1731{
958 dREQ; 1732 dREQ;
959 1733
960 req->type = EIO_READDIR; 1734 req->type = EIO_READDIR;
961 req->sv1 = newSVsv (pathname);
962 req->ptr1 = SvPVbyte_nolen (req->sv1);
963 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1735 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
964 1736
965 if (flags & EIO_READDIR_DENTS) 1737 if (flags & EIO_READDIR_DENTS)
966 req->int1 |= EIO_READDIR_CUSTOM2; 1738 req->int1 |= EIO_READDIR_CUSTOM2;
967 1739
1740 req_set_path1 (req, pathname);
1741
968 REQ_SEND; 1742 REQ_SEND;
969} 1743}
970 1744
971void 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
972aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1759aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
973 ALIAS: 1760 ALIAS:
974 aio_unlink = EIO_UNLINK 1761 aio_unlink = EIO_UNLINK
975 aio_rmdir = EIO_RMDIR 1762 aio_rmdir = EIO_RMDIR
976 aio_readdir = EIO_READDIR 1763 aio_readdir = EIO_READDIR
977 PPCODE: 1764 PPCODE:
978{ 1765{
979 dREQ; 1766 dREQ;
980 1767
981 req->type = ix; 1768 req->type = ix;
982 req->sv1 = newSVsv (pathname); 1769 req_set_path1 (req, pathname);
983 req->ptr1 = SvPVbyte_nolen (req->sv1);
984 1770
985 REQ_SEND; 1771 REQ_SEND;
986} 1772}
987 1773
988void 1774void
989aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1775aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
990 ALIAS: 1776 ALIAS:
991 aio_link = EIO_LINK 1777 aio_link = EIO_LINK
992 aio_symlink = EIO_SYMLINK 1778 aio_symlink = EIO_SYMLINK
993 aio_rename = EIO_RENAME 1779 aio_rename = EIO_RENAME
994 PPCODE: 1780 PPCODE:
995{ 1781{
1782 eio_wd wd2 = 0;
996 dREQ; 1783 dREQ;
997 1784
998 req->type = ix; 1785 req->type = ix;
999 req->sv1 = newSVsv (oldpath); 1786 req_set_path1 (req, oldpath);
1000 req->ptr1 = SvPVbyte_nolen (req->sv1); 1787 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1001 req->sv2 = newSVsv (newpath); 1788 req->int3 = (long)wd2;
1002 req->ptr2 = SvPVbyte_nolen (req->sv2);
1003 1789
1004 REQ_SEND; 1790 REQ_SEND;
1005} 1791}
1006 1792
1007void 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
1008aio_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)
1009 PPCODE: 1811 PPCODE:
1010{ 1812{
1011 dREQ; 1813 dREQ;
1012 1814
1013 req->type = EIO_MKNOD; 1815 req->type = EIO_MKNOD;
1014 req->sv1 = newSVsv (pathname);
1015 req->ptr1 = SvPVbyte_nolen (req->sv1);
1016 req->int2 = (mode_t)mode; 1816 req->int2 = (mode_t)mode;
1017 req->offs = dev; 1817 req->offs = dev;
1818 req_set_path1 (req, pathname);
1018 1819
1019 REQ_SEND; 1820 REQ_SEND;
1020} 1821}
1021 1822
1022void 1823void
1824aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1825 ALIAS:
1826 aio_mtouch = EIO_MTOUCH
1827 aio_msync = EIO_MSYNC
1828 PPCODE:
1829{
1830 STRLEN svlen;
1831 char *svptr = SvPVbyte (data, svlen);
1832 UV len = SvUV (length);
1833
1834 if (flags < 0)
1835 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1836
1837 if (offset < 0)
1838 offset += svlen;
1839
1840 if (offset < 0 || offset > svlen)
1841 croak ("offset outside of scalar");
1842
1843 if (!SvOK (length) || len + offset > svlen)
1844 len = svlen - offset;
1845
1846 {
1847 dREQ;
1848
1849 req->type = ix;
1850 req->sv2 = SvREFCNT_inc (data);
1851 req->ptr2 = (char *)svptr + offset;
1852 req->size = len;
1853 req->int1 = flags;
1854
1855 REQ_SEND;
1856 }
1857}
1858
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
1023aio_busy (double delay, SV *callback=&PL_sv_undef) 1962aio_busy (double delay, SV *callback = &PL_sv_undef)
1024 PPCODE: 1963 PPCODE:
1025{ 1964{
1026 dREQ; 1965 dREQ;
1027 1966
1028 req->type = EIO_BUSY; 1967 req->type = EIO_BUSY;
… …
1030 1969
1031 REQ_SEND; 1970 REQ_SEND;
1032} 1971}
1033 1972
1034void 1973void
1035aio_group (SV *callback=&PL_sv_undef) 1974aio_group (SV *callback = &PL_sv_undef)
1036 PROTOTYPE: ;$
1037 PPCODE: 1975 PPCODE:
1038{ 1976{
1039 dREQ; 1977 dREQ;
1040 1978
1041 req->type = EIO_GROUP; 1979 req->type = EIO_GROUP;
1042 1980
1981 PUTBACK;
1043 req_submit (req); 1982 req_submit (req);
1983 SPAGAIN;
1984
1044 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1985 XPUSHs (req_sv (req, aio_grp_stash));
1045} 1986}
1046 1987
1047void 1988void
1048aio_nop (SV *callback=&PL_sv_undef) 1989aio_nop (SV *callback = &PL_sv_undef)
1049 ALIAS: 1990 ALIAS:
1050 aio_nop = EIO_NOP 1991 aio_nop = EIO_NOP
1051 aio_sync = EIO_SYNC 1992 aio_sync = EIO_SYNC
1052 PPCODE: 1993 PPCODE:
1053{ 1994{
… …
1057 1998
1058 REQ_SEND; 1999 REQ_SEND;
1059} 2000}
1060 2001
1061int 2002int
1062aioreq_pri (int pri = 0) 2003aioreq_pri (int pri = NO_INIT)
1063 PROTOTYPE: ;$
1064 CODE: 2004 CODE:
1065 RETVAL = next_pri; 2005 RETVAL = next_pri;
1066 if (items > 0) 2006 if (items > 0)
1067 { 2007 {
1068 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2008 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1080 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2020 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1081 next_pri = nice; 2021 next_pri = nice;
1082 2022
1083void 2023void
1084flush () 2024flush ()
1085 PROTOTYPE:
1086 CODE: 2025 CODE:
1087 while (eio_nreqs ()) 2026 while (eio_nreqs ())
1088 { 2027 {
1089 poll_wait (); 2028 poll_wait ();
1090 poll_cb (); 2029 poll_cb ();
1091 } 2030 }
1092 2031
1093int 2032int
1094poll() 2033poll ()
1095 PROTOTYPE:
1096 CODE: 2034 CODE:
1097 poll_wait (); 2035 poll_wait ();
1098 RETVAL = poll_cb (); 2036 RETVAL = poll_cb ();
1099 OUTPUT: 2037 OUTPUT:
1100 RETVAL 2038 RETVAL
1101 2039
1102int 2040int
1103poll_fileno() 2041poll_fileno ()
1104 PROTOTYPE:
1105 CODE: 2042 CODE:
1106 RETVAL = respipe [0]; 2043 RETVAL = s_epipe_fd (&respipe);
1107 OUTPUT: 2044 OUTPUT:
1108 RETVAL 2045 RETVAL
1109 2046
1110int 2047int
1111poll_cb(...) 2048poll_cb (...)
1112 PROTOTYPE: 2049 PROTOTYPE:
1113 CODE: 2050 CODE:
1114 RETVAL = poll_cb (); 2051 RETVAL = poll_cb ();
1115 OUTPUT: 2052 OUTPUT:
1116 RETVAL 2053 RETVAL
1117 2054
1118void 2055void
1119poll_wait() 2056poll_wait ()
1120 PROTOTYPE:
1121 CODE: 2057 CODE:
1122 poll_wait (); 2058 poll_wait ();
1123 2059
1124int 2060int
1125nreqs() 2061nreqs ()
1126 PROTOTYPE:
1127 CODE: 2062 CODE:
1128 RETVAL = eio_nreqs (); 2063 RETVAL = eio_nreqs ();
1129 OUTPUT: 2064 OUTPUT:
1130 RETVAL 2065 RETVAL
1131 2066
1132int 2067int
1133nready() 2068nready ()
1134 PROTOTYPE:
1135 CODE: 2069 CODE:
1136 RETVAL = eio_nready (); 2070 RETVAL = eio_nready ();
1137 OUTPUT: 2071 OUTPUT:
1138 RETVAL 2072 RETVAL
1139 2073
1140int 2074int
1141npending() 2075npending ()
1142 PROTOTYPE:
1143 CODE: 2076 CODE:
1144 RETVAL = eio_npending (); 2077 RETVAL = eio_npending ();
1145 OUTPUT: 2078 OUTPUT:
1146 RETVAL 2079 RETVAL
1147 2080
1148int 2081int
1149nthreads() 2082nthreads ()
1150 PROTOTYPE:
1151 CODE: 2083 CODE:
1152 RETVAL = eio_nthreads (); 2084 RETVAL = eio_nthreads ();
1153 OUTPUT: 2085 OUTPUT:
1154 RETVAL 2086 RETVAL
1155 2087
2088int
2089fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2090 CODE:
2091 RETVAL = posix_fadvise (fh, offset, length, advice);
2092 OUTPUT:
2093 RETVAL
2094
2095IV
2096sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2097 CODE:
2098 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2099 OUTPUT:
2100 RETVAL
2101
2102void
2103mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2104 PPCODE:
2105 sv_clear_foreign (scalar);
2106{
2107 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2108 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2109 if (addr == (void *)-1)
2110 XSRETURN_NO;
2111
2112 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2113
2114 if (!(prot & PROT_WRITE))
2115 SvREADONLY_on (scalar);
2116
2117 XSRETURN_YES;
2118}
2119
2120void
2121munmap (SV *scalar)
2122 CODE:
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
2154
2155int
2156madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2157 ALIAS:
2158 mprotect = 1
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);
2205#if _POSIX_MEMLOCK_RANGE
2206 RETVAL = munlock (addr, len);
2207#else
2208 RETVAL = EIO_ENOSYS ();
2209#endif
2210}
2211 OUTPUT:
2212 RETVAL
2213
2214int
2215munlockall ()
2216 CODE:
2217#if _POSIX_MEMLOCK
2218 munlockall ();
2219#else
2220 RETVAL = EIO_ENOSYS ();
2221#endif
2222 OUTPUT:
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}
2439
1156void _on_next_submit (SV *cb) 2440void _on_next_submit (SV *cb)
1157 CODE: 2441 CODE:
1158 SvREFCNT_dec (on_next_submit); 2442 SvREFCNT_dec (on_next_submit);
1159 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2443 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1160 2444
1161PROTOTYPES: DISABLE 2445PROTOTYPES: DISABLE
1162 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
1163MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2475MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1164 2476
1165void 2477void
1166cancel (aio_req_ornot req) 2478cancel (aio_req_ornot req)
1167 CODE: 2479 CODE:
1168 eio_cancel (req); 2480 eio_cancel (req);
1169 2481
1170void 2482void
1171cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2483cb (aio_req_ornot req, SV *callback = NO_INIT)
1172 PPCODE: 2484 PPCODE:
1173{ 2485{
1174 if (GIMME_V != G_VOID) 2486 if (GIMME_V != G_VOID)
1175 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);
1176 2488
… …
1241limit (aio_req grp, int limit) 2553limit (aio_req grp, int limit)
1242 CODE: 2554 CODE:
1243 eio_grp_limit (grp, limit); 2555 eio_grp_limit (grp, limit);
1244 2556
1245void 2557void
1246feed (aio_req grp, SV *callback=&PL_sv_undef) 2558feed (aio_req grp, SV *callback = &PL_sv_undef)
1247 CODE: 2559 CODE:
1248{ 2560{
1249 SvREFCNT_dec (grp->sv2); 2561 SvREFCNT_dec (grp->sv2);
1250 grp->sv2 = newSVsv (callback); 2562 grp->sv2 = newSVsv (callback);
1251 grp->feed = aio_grp_feed; 2563 grp->feed = aio_grp_feed;

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