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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 2019 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#include "perliol.h"
9
10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
8 13
9#include <stddef.h> 14#include <stddef.h>
10#include <stdlib.h> 15#include <stdlib.h>
11#include <errno.h> 16#include <errno.h>
12#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
13#include <sys/stat.h> 19#include <sys/stat.h>
14#include <limits.h> 20#include <limits.h>
15#include <fcntl.h> 21#include <fcntl.h>
16#include <sched.h> 22#include <sched.h>
17 23
24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
36#endif
37
18/* perl namespace pollution */ 38/* perl namespace pollution */
19#undef VERSION 39#undef VERSION
20 40
41/* perl stupidly overrides readdir and maybe others */
42/* with thread-unsafe versions, imagine that :( */
43#undef readdir
44#undef opendir
45#undef closedir
46
21#ifdef _WIN32 47#ifdef _WIN32
22 48
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions 49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
28# undef open 53 #undef open
29# undef read 54 #undef read
30# undef write 55 #undef write
31# undef send 56 #undef send
32# undef recv 57 #undef recv
33# undef stat 58 #undef stat
59 #undef lstat
34# undef fstat 60 #undef fstat
35# define lstat stat
36# undef truncate 61 #undef truncate
37# undef ftruncate 62 #undef ftruncate
38# undef open 63 #undef open
64 #undef link
39# undef close 65 #undef close
40# undef unlink 66 #undef unlink
67 #undef mkdir
41# undef rmdir 68 #undef rmdir
42# undef rename 69 #undef rename
43# undef lseek 70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
44 81
45# define chown(a,b,c) (errno = ENOSYS, -1) 82 #define EIO_STRUCT_STAT struct _stati64
46# define fchown(a,b,c) (errno = ENOSYS, -1) 83 #define EIO_STRUCT_STATI64
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 84
59#else 85#else
60 86
61# include <sys/time.h> 87 #include <sys/time.h>
62# include <sys/select.h> 88 #include <sys/select.h>
63# include <unistd.h> 89 #include <unistd.h>
64# include <utime.h> 90 #include <utime.h>
65# include <signal.h> 91 #include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67 92
68#endif
69
70#define EIO_STRUCT_STAT Stat_t 93 #define EIO_STRUCT_STAT Stat_t
71 94
72/* use NV for 32 bit perls as it allows larger offsets */ 95#endif
73#if IVSIZE >= 8 96
74# define SvVAL64 SvIV 97/*****************************************************************************/
98
99#if __GNUC__ >= 3
100# define expect(expr,value) __builtin_expect ((expr),(value))
75#else 101#else
76# define SvVAL64 SvNV 102# define expect(expr,value) (expr)
77#endif 103#endif
78 104
79static HV *stash; 105#define expect_false(expr) expect ((expr) != 0, 0)
106#define expect_true(expr) expect ((expr) != 0, 1)
107
108/*****************************************************************************/
109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
80typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
173typedef int aio_rfd; /* read file desriptor */
174typedef int aio_wfd; /* write file descriptor */
81 175
82#define AIO_REQ_KLASS "IO::AIO::REQ" 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
83#define AIO_GRP_KLASS "IO::AIO::GRP"
84 177
85#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
86 SV *callback; \ 179 SV *callback; \
87 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
88 STRLEN stroffset; \ 182 STRLEN stroffset; \
89 SV *self; 183 SV *self;
90 184
91#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
92 186
93#include "libeio/eio.h" 187#include "libeio/eio.h"
94 188
95static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
96#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
97static void aio_grp_feed (eio_req *grp);
98#define EIO_FEED(req) aio_grp_feed (req)
99static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
100#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
193
194#include "libeio/eio.c"
195
196#if !HAVE_POSIX_FADVISE
197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
198#endif
199
200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
202#endif
203
204#ifndef MAP_ANONYMOUS
205# ifdef MAP_ANON
206# define MAP_ANONYMOUS MAP_ANON
207# else
208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
209# endif
210#endif
211
212#ifndef makedev
213# define makedev(maj,min) (((maj) << 8) | (min))
214#endif
215#ifndef major
216# define major(dev) ((dev) >> 8)
217#endif
218#ifndef minor
219# define minor(dev) ((dev) & 0xff)
220#endif
221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
228# define PAGESIZE sysconf (_SC_PAGESIZE)
229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298static void
299sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
300{
301 sv_force_normal (sv);
302
303 /* we store the length in mg_obj, as namlen is I32 :/ */
304 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
305 ->mg_obj = (SV *)length;
306
307 SvUPGRADE (sv, SVt_PV); /* nop... */
308
309 if (SvLEN (sv))
310 Safefree (SvPVX (sv));
311
312 SvPVX (sv) = (char *)addr;
313 SvCUR_set (sv, length);
314 SvLEN_set (sv, 0);
315 SvPOK_only (sv);
316}
317
318static void
319sv_clear_foreign (SV *sv)
320{
321 /* todo: iterate over magic and only free ours, but of course */
322 /* the perl5porters will call that (correct) behaviour buggy */
323 sv_unmagic (sv, FOREIGN_MAGIC);
324}
325
326/*****************************************************************************/
327
328/* defines all sorts of constants to 0 unless they are already defined */
329/* also provides const_iv_ and const_niv_ macros for them */
330#include "def0.h"
331
332/*****************************************************************************/
333
334static void
335fiemap (eio_req *req)
336{
337 req->result = -1;
338
339#if HAVE_FIEMAP
340 /* assume some c99 */
341 struct fiemap *fiemap = 0;
342 size_t end_offset;
343 int count = req->int3;
344
345 req->flags |= EIO_FLAG_PTR1_FREE;
346
347 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
348 /* increase in 3.5kb steps */
349 if (count < 0)
350 count = 8;
351
352 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 fiemap->fm_start = req->offs;
360 fiemap->fm_length = req->size;
361 fiemap->fm_flags = req->int2;
362 fiemap->fm_extent_count = count;
363
364 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
365 return;
366
367 if (req->int3 >= 0 /* not autosizing */
368 || !fiemap->fm_mapped_extents /* no more extents */
369 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
370 goto done;
371
372 /* else we have to loop -
373 * it would be tempting (actually I tried that first) to just query the
374 * number of extents needed, but linux often feels like not returning all
375 * extents, without telling us it left any out. this complicates
376 * this quite a bit.
377 */
378
379 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
380
381 for (;;)
382 {
383 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
384 char scratch[3072];
385 struct fiemap *incmap = (struct fiemap *)scratch;
386
387 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
388 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
389 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
390 incmap->fm_flags = fiemap->fm_flags;
391 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
392
393 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
394 return;
395
396 if (!incmap->fm_mapped_extents)
397 goto done;
398
399 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
400 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
401 errno = ENOMEM;
402 if (!fiemap)
403 return;
404
405 req->ptr1 = fiemap;
406
407 for (count = 0; count < incmap->fm_mapped_extents; ++count)
408 {
409 struct fiemap_extent *e = incmap->fm_extents + count;
410
411 if (e->fe_logical + e->fe_length >= end_offset)
412 goto done;
413
414 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
415
416 if (e->fe_flags & FIEMAP_EXTENT_LAST)
417 goto done;
418
419 }
420 }
421
422done:
423 req->result = 0;
424
425#else
426 errno = ENOSYS;
427#endif
428}
429
430/*****************************************************************************/
431
432static int close_fd; /* dummy fd to close fds via dup2 */
101 433
102enum { 434enum {
103 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
104}; 436};
105 437
106#include "libeio/eio.c"
107
108typedef eio_req *aio_req; 438typedef eio_req *aio_req;
109typedef eio_req *aio_req_ornot; 439typedef eio_req *aio_req_ornot;
440typedef eio_wd aio_wd;
110 441
111static SV *on_next_submit; 442static SV *on_next_submit;
112static int next_pri = EIO_PRI_DEFAULT; 443static int next_pri = EIO_PRI_DEFAULT;
113static int max_outstanding; 444static int max_outstanding;
114 445
115static int respipe_osf [2], respipe [2] = { -1, -1 }; 446static s_epipe respipe;
116 447
117static void req_destroy (aio_req req); 448static void req_destroy (aio_req req);
118static void req_cancel (aio_req req); 449static void req_cancel (aio_req req);
119 450
120static void want_poll (void) 451static void
452want_poll (void)
121{ 453{
122 /* write a dummy byte to the pipe so fh becomes ready */ 454 /* write a dummy byte to the pipe so fh becomes ready */
123 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 455 s_epipe_signal (&respipe);
124} 456}
125 457
126static void done_poll (void) 458static void
459done_poll (void)
127{ 460{
128 /* read any signals sent by the worker threads */ 461 /* read any signals sent by the worker threads */
129 char buf [4]; 462 s_epipe_drain (&respipe);
130 while (respipe_read (respipe [0], buf, 4) == 4)
131 ;
132} 463}
133 464
134/* must be called at most once */ 465/* must be called at most once */
135static SV *req_sv (aio_req req, const char *klass) 466static SV *
467req_sv (aio_req req, HV *stash)
136{ 468{
137 if (!req->self) 469 if (!req->self)
138 { 470 {
139 req->self = (SV *)newHV (); 471 req->self = (SV *)newHV ();
140 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 472 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141 } 473 }
142 474
143 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 475 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144} 476}
145 477
146static aio_req SvAIO_REQ (SV *sv) 478static SV *
479newSVaio_wd (aio_wd wd)
480{
481 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
482}
483
484static aio_req
485SvAIO_REQ (SV *sv)
147{ 486{
148 MAGIC *mg; 487 MAGIC *mg;
149 488
150 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 489 if (!SvROK (sv)
490 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
491 || (SvSTASH (SvRV (sv)) != aio_grp_stash
492 && SvSTASH (SvRV (sv)) != aio_req_stash
493 && !sv_derived_from (sv, "IO::AIO::REQ")))
151 croak ("object of class " AIO_REQ_KLASS " expected"); 494 croak ("object of class IO::AIO::REQ expected");
152 495
153 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 496 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154 497
155 return mg ? (aio_req)mg->mg_ptr : 0; 498 return mg ? (aio_req)mg->mg_ptr : 0;
156} 499}
157 500
501static aio_wd
502SvAIO_WD (SV *sv)
503{
504 if (!SvROK (sv)
505 || SvTYPE (SvRV (sv)) != SVt_PVMG
506 || SvSTASH (SvRV (sv)) != aio_wd_stash)
507 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
508
509 return (aio_wd)(long)SvIVX (SvRV (sv));
510}
511
512static SV *
513newmortalFH (int fd, int flags)
514{
515 if (fd < 0)
516 return &PL_sv_undef;
517
518 GV *gv = (GV *)sv_newmortal ();
519 char sym[64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 fd
531 );
532
533 return do_open (gv, sym, symlen, 0, 0, 0, 0)
534 ? (SV *)gv : &PL_sv_undef;
535}
536
537static void
158static void aio_grp_feed (aio_req grp) 538aio_grp_feed (aio_req grp)
159{ 539{
160 if (grp->sv2 && SvOK (grp->sv2)) 540 if (grp->sv2 && SvOK (grp->sv2))
161 { 541 {
162 dSP; 542 dSP;
163 543
164 ENTER; 544 ENTER;
165 SAVETMPS; 545 SAVETMPS;
166 PUSHMARK (SP); 546 PUSHMARK (SP);
167 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 547 XPUSHs (req_sv (grp, aio_grp_stash));
168 PUTBACK; 548 PUTBACK;
169 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 549 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
170 SPAGAIN; 550 SPAGAIN;
171 FREETMPS; 551 FREETMPS;
172 LEAVE; 552 LEAVE;
173 } 553 }
174} 554}
175 555
556static void
176static void req_submit (eio_req *req) 557req_submit (eio_req *req)
177{ 558{
178 eio_submit (req); 559 eio_submit (req);
179 560
180 if (on_next_submit) 561 if (expect_false (on_next_submit))
181 { 562 {
182 dSP; 563 dSP;
183 SV *cb = sv_2mortal (on_next_submit); 564 SV *cb = sv_2mortal (on_next_submit);
184 565
185 on_next_submit = 0; 566 on_next_submit = 0;
… …
188 PUTBACK; 569 PUTBACK;
189 call_sv (cb, G_DISCARD | G_EVAL); 570 call_sv (cb, G_DISCARD | G_EVAL);
190 } 571 }
191} 572}
192 573
574static int
193static int req_invoke (eio_req *req) 575req_invoke (eio_req *req)
194{ 576{
195 dSP;
196
197 if (req->flags & FLAG_SV2_RO_OFF) 577 if (req->flags & FLAG_SV2_RO_OFF)
198 SvREADONLY_off (req->sv2); 578 SvREADONLY_off (req->sv2);
199 579
200 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 580 if (!EIO_CANCELLED (req) && req->callback)
201 { 581 {
582 dSP;
583 static SV *sv_result_cache; /* caches the result integer SV */
584 SV *sv_result;
585
202 ENTER; 586 ENTER;
203 SAVETMPS; 587 SAVETMPS;
204 PUSHMARK (SP); 588 PUSHMARK (SP);
205 EXTEND (SP, 1); 589 EXTEND (SP, 1);
206 590
591 /* do not recreate the result IV from scratch each time */
592 if (expect_true (sv_result_cache))
593 {
594 sv_result = sv_result_cache; sv_result_cache = 0;
595 SvIV_set (sv_result, req->result);
596 SvIOK_only (sv_result);
597 }
598 else
599 {
600 sv_result = newSViv (req->result);
601 SvREADONLY_on (sv_result);
602 }
603
207 switch (req->type) 604 switch (req->type)
208 { 605 {
606 case EIO_WD_OPEN:
607 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
608 break;
609
209 case EIO_READDIR: 610 case EIO_READDIR:
210 { 611 {
211 SV *rv = &PL_sv_undef; 612 SV *rv = &PL_sv_undef;
212 613
213 if (req->result >= 0) 614 if (req->result >= 0)
214 { 615 {
215 int i; 616 int i;
216 char *buf = req->ptr2; 617 char *names = (char *)req->ptr2;
618 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
217 AV *av = newAV (); 619 AV *av = newAV ();
218 620
219 av_extend (av, req->result - 1); 621 av_extend (av, req->result - 1);
220 622
221 for (i = 0; i < req->result; ++i) 623 for (i = 0; i < req->result; ++i)
222 { 624 {
223 SV *sv = newSVpv (buf, 0); 625 if (req->int1 & EIO_READDIR_DENTS)
626 {
627 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224 628
629 if (req->int1 & EIO_READDIR_CUSTOM2)
630 {
631 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
632 AV *avent = newAV ();
633
634 av_extend (avent, 2);
635
636 if (!sv_type [ent->type])
637 {
638 sv_type [ent->type] = newSViv (ent->type);
639 SvREADONLY_on (sv_type [ent->type]);
640 }
641
642 av_store (avent, 0, namesv);
643 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
644 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
645
646 av_store (av, i, newRV_noinc ((SV *)avent));
647 }
648 else
225 av_store (av, i, sv); 649 av_store (av, i, namesv);
650
651 ++ent;
652 }
653 else
654 {
655 SV *name = newSVpv (names, 0);
656 av_store (av, i, name);
226 buf += SvCUR (sv) + 1; 657 names += SvCUR (name) + 1;
658 }
227 } 659 }
228 660
229 rv = sv_2mortal (newRV_noinc ((SV *)av)); 661 rv = sv_2mortal (newRV_noinc ((SV *)av));
230 } 662 }
231 663
232 PUSHs (rv); 664 PUSHs (rv);
665
666 if (req->int1 & EIO_READDIR_CUSTOM1)
667 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
233 } 668 }
234 break; 669 break;
235 670
236 case EIO_OPEN: 671 case EIO_OPEN:
672 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
673 break;
674
675 case EIO_STATVFS:
676 case EIO_FSTATVFS:
237 { 677 {
238 /* convert fd to fh */
239 SV *fh = &PL_sv_undef; 678 SV *rv = &PL_sv_undef;
240 679
680#ifndef _WIN32
241 if (req->result >= 0) 681 if (req->result >= 0)
242 { 682 {
683 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
243 GV *gv = (GV *)sv_newmortal (); 684 HV *hv = newHV ();
244 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 685 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
245 char sym [64]; 686 * chooses to make it a struct.
246 int symlen;
247 687 */
248 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 688 unsigned long fsid = 0;
249 gv_init (gv, stash, sym, symlen, 0); 689 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
250 690
251 symlen = snprintf ( 691 rv = sv_2mortal (newRV_noinc ((SV *)hv));
252 sym,
253 sizeof (sym),
254 "%s&=%d",
255 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256 req->result
257 );
258 692
259 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 693 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
260 fh = (SV *)gv; 694 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
695 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
696 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
697 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
698 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
699 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
700 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
701 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
702 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
703 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
261 } 704 }
705#endif
262 706
263 PUSHs (fh); 707 PUSHs (rv);
264 } 708 }
709
265 break; 710 break;
266 711
267 case EIO_GROUP: 712 case EIO_GROUP:
268 req->int1 = 2; /* mark group as finished */ 713 req->int1 = 2; /* mark group as finished */
269 714
… …
281 case EIO_NOP: 726 case EIO_NOP:
282 case EIO_BUSY: 727 case EIO_BUSY:
283 break; 728 break;
284 729
285 case EIO_READLINK: 730 case EIO_READLINK:
731 case EIO_REALPATH:
286 if (req->result > 0) 732 if (req->result > 0)
287 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 733 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
288 break; 734 break;
289 735
290 case EIO_STAT: 736 case EIO_STAT:
291 case EIO_LSTAT: 737 case EIO_LSTAT:
292 case EIO_FSTAT: 738 case EIO_FSTAT:
293 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 739 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
740
294 PL_laststatval = req->result; 741 if (!(PL_laststatval = req->result))
742 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
295 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 743 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
296 PUSHs (sv_2mortal (newSViv (req->result))); 744
745 PUSHs (sv_result);
297 break; 746 break;
298 747
748 case EIO_SEEK:
749 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
750 break;
751
299 case EIO_READ: 752 case EIO_READ:
753 {
300 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 754 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301 *SvEND (req->sv2) = 0; 755 *SvEND (req->sv2) = 0;
302 PUSHs (sv_2mortal (newSViv (req->result))); 756 SvPOK_only (req->sv2);
757 SvSETMAGIC (req->sv2);
758 PUSHs (sv_result);
759 }
303 break; 760 break;
304 761
305 case EIO_DUP2: 762 case EIO_SLURP:
763 {
764 if (req->result >= 0)
765 {
766 /* if length was originally not known, we steal the malloc'ed memory */
767 if (req->flags & EIO_FLAG_PTR2_FREE)
768 {
769 req->flags &= ~EIO_FLAG_PTR2_FREE;
770 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
771 }
772 else
773 {
774 SvCUR_set (req->sv2, req->result);
775 *SvEND (req->sv2) = 0;
776 SvPOK_only (req->sv2);
777 }
778
779 SvSETMAGIC (req->sv2);
780 }
781
782 PUSHs (sv_result);
783 }
784 break;
785
786 case EIO_CUSTOM:
787 if (req->feed == fiemap)
788 {
789#if HAVE_FIEMAP
790 if (!req->result)
791 {
792 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
793
794 if (fiemap->fm_extent_count)
795 {
796 AV *av = newAV ();
797 int i;
798
799 while (fiemap->fm_mapped_extents)
800 {
801 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
802 AV *ext_av = newAV ();
803
804 av_store (ext_av, 3, newSVuv (extent->fe_flags));
805 av_store (ext_av, 2, newSVval64 (extent->fe_length));
806 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
807 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
808
809 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
810 }
811
812 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
813 }
814 else
815 {
816 SvIV_set (sv_result, fiemap->fm_mapped_extents);
817 PUSHs (sv_result);
818 }
819 }
820#endif
821 }
822 else
823 PUSHs (sv_result);
824 break;
825
826#if 0
827 case EIO_CLOSE:
828 PerlIOUnix_refcnt_dec (req->int1);
829 break;
830#endif
831
832 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
306 if (req->result > 0) 833 if (req->result > 0)
307 req->result = 0; 834 SvIV_set (sv_result, 0);
308 /* FALLTHROUGH */ 835 /* FALLTHROUGH */
309 836
310 default: 837 default:
311 PUSHs (sv_2mortal (newSViv (req->result))); 838 PUSHs (sv_result);
312 break; 839 break;
313 } 840 }
314 841
315 errno = req->errorno; 842 errno = req->errorno;
316 843
317 PUTBACK; 844 PUTBACK;
318 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 845 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
319 SPAGAIN; 846 SPAGAIN;
320 847
848 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
849 SvREFCNT_dec (sv_result);
850 else
851 sv_result_cache = sv_result;
852
321 FREETMPS; 853 FREETMPS;
322 LEAVE; 854 LEAVE;
323 855
324 PUTBACK; 856 PUTBACK;
325 } 857 }
326 858
327 return !!SvTRUE (ERRSV); 859 return !!SvTRUE (ERRSV);
328} 860}
329 861
862static void
330static void req_destroy (aio_req req) 863req_destroy (aio_req req)
331{ 864{
332 if (req->self) 865 if (req->self)
333 { 866 {
334 sv_unmagic (req->self, PERL_MAGIC_ext); 867 sv_unmagic (req->self, PERL_MAGIC_ext);
335 SvREFCNT_dec (req->self); 868 SvREFCNT_dec (req->self);
336 } 869 }
337 870
338 SvREFCNT_dec (req->sv1); 871 SvREFCNT_dec (req->sv1);
339 SvREFCNT_dec (req->sv2); 872 SvREFCNT_dec (req->sv2);
873 SvREFCNT_dec (req->sv3);
874 SvREFCNT_dec (req->sv4);
340 SvREFCNT_dec (req->callback); 875 SvREFCNT_dec (req->callback);
341 876
342 Safefree (req); 877 free (req);
343} 878}
344 879
880static void
345static void req_cancel_subs (aio_req grp) 881req_cancel_subs (aio_req grp)
346{ 882{
347 aio_req sub;
348
349 if (grp->type != EIO_GROUP) 883 if (grp->type != EIO_GROUP)
350 return; 884 return;
351 885
352 SvREFCNT_dec (grp->sv2); 886 SvREFCNT_dec (grp->sv2);
353 grp->sv2 = 0; 887 grp->sv2 = 0;
354 888
355 eio_grp_cancel (grp); 889 eio_grp_cancel (grp);
356} 890}
357 891
358#ifdef USE_SOCKETS_AS_HANDLES 892static void ecb_cold
359# define TO_SOCKET(x) (win32_get_osfhandle (x)) 893create_respipe (void)
360#else 894{
361# define TO_SOCKET(x) (x) 895 if (s_epipe_renew (&respipe))
362#endif 896 croak ("IO::AIO: unable to initialize result pipe");
897}
363 898
364static void 899static void
365create_respipe (void) 900poll_wait (void)
366{ 901{
367 int old_readfd = respipe [0];
368
369 if (respipe [1] >= 0)
370 respipe_close (TO_SOCKET (respipe [1]));
371
372#ifdef _WIN32
373 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374#else
375 if (pipe (respipe))
376#endif
377 croak ("unable to initialize result pipe");
378
379 if (old_readfd >= 0)
380 {
381 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382 croak ("unable to initialize result pipe(2)");
383
384 respipe_close (respipe [0]);
385 respipe [0] = old_readfd;
386 }
387
388#ifdef _WIN32
389 int arg = 1;
390 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392#else
393 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395#endif
396 croak ("unable to initialize result pipe(3)");
397
398 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]);
400}
401
402static void poll_wait (void)
403{
404 fd_set rfd;
405
406 while (eio_nreqs ()) 902 while (eio_nreqs ())
407 { 903 {
408 int size; 904 int size;
409 905
410 X_LOCK (reslock); 906 X_LOCK (EIO_POOL->reslock);
411 size = res_queue.size; 907 size = EIO_POOL->res_queue.size;
412 X_UNLOCK (reslock); 908 X_UNLOCK (EIO_POOL->reslock);
413 909
414 if (size) 910 if (size)
415 return; 911 return;
416 912
417 maybe_start_thread (); 913 etp_maybe_start_thread (EIO_POOL);
418 914
419 FD_ZERO (&rfd); 915 s_epipe_wait (&respipe);
420 FD_SET (respipe [0], &rfd);
421
422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423 } 916 }
424} 917}
425 918
426static int poll_cb (void) 919static int
920poll_cb (void)
427{ 921{
428 int res; 922 for (;;)
429
430 do
431 { 923 {
432 res = eio_poll (); 924 int res = eio_poll ();
433 925
434 if (res > 0) 926 if (res > 0)
435 croak (0); 927 croak (0);
928
929 if (!max_outstanding || max_outstanding > eio_nreqs ())
930 return res;
931
932 poll_wait ();
436 } 933 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439 return res;
440} 934}
441 935
442static void atfork_child (void) 936static void ecb_cold
937reinit (void)
443{ 938{
444 create_respipe (); 939 create_respipe ();
940
941 if (eio_init (want_poll, done_poll) < 0)
942 croak ("IO::AIO: unable to initialise eio library");
943}
944
945/*****************************************************************************/
946
947static SV *
948get_cb (SV *cb_sv)
949{
950 SvGETMAGIC (cb_sv);
951 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
952}
953
954static aio_req ecb_noinline
955dreq (SV *callback)
956{
957 SV *cb_cv;
958 aio_req req;
959 int req_pri = next_pri;
960 next_pri = EIO_PRI_DEFAULT;
961
962 cb_cv = get_cb (callback);
963
964 req = calloc (sizeof (*req), 1);
965 if (!req)
966 croak ("out of memory during eio_req allocation");
967
968 req->callback = SvREFCNT_inc (cb_cv);
969 req->pri = req_pri;
970
971 return req;
445} 972}
446 973
447#define dREQ \ 974#define dREQ \
448 aio_req req; \ 975 aio_req req = dreq (callback); \
449 int req_pri = next_pri; \
450 next_pri = EIO_PRI_DEFAULT; \
451 \
452 if (SvOK (callback) && !SvROK (callback)) \
453 croak ("callback must be undef or of reference type"); \
454 \
455 Newz (0, req, 1, eio_req); \
456 if (!req) \
457 croak ("out of memory during eio_req allocation"); \
458 \
459 req->callback = newSVsv (callback); \
460 req->pri = req_pri
461 976
462#define REQ_SEND \ 977#define REQ_SEND \
978 PUTBACK; \
463 req_submit (req); \ 979 req_submit (req); \
980 SPAGAIN; \
464 \ 981 \
465 if (GIMME_V != G_VOID) \ 982 if (GIMME_V != G_VOID) \
466 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 983 XPUSHs (req_sv (req, aio_req_stash));
467 984
985ecb_inline void
986req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
987{
988 if (expect_false (SvROK (path)))
989 {
990 SV *rv = SvRV (path);
991 SV *wdob;
992
993 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
994 {
995 path = AvARRAY (rv)[1];
996 wdob = AvARRAY (rv)[0];
997
998 if (SvOK (wdob))
999 {
1000 *wd = SvAIO_WD (wdob);
1001 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1002 }
1003 else
1004 *wd = EIO_INVALID_WD;
1005 }
1006 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1007 {
1008 *wd = (aio_wd)(long)SvIVX (rv);
1009 *wdsv = SvREFCNT_inc_NN (rv);
1010 *ptr = ".";
1011 return; /* path set to "." */
1012 }
1013 else
1014 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1015 }
1016
1017 *pathsv = newSVsv (path);
1018 *ptr = SvPVbyte_nolen (*pathsv);
1019}
1020
1021static void ecb_noinline
1022req_set_path1 (aio_req req, SV *path)
1023{
1024 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1025}
1026
1027static void ecb_noinline
1028req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1029{
1030 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1031
1032 switch (SvTYPE (rv))
1033 {
1034 case SVt_PVIO:
1035 case SVt_PVLV:
1036 case SVt_PVGV:
1037 req->type = type_fh;
1038 req->sv1 = newSVsv (fh_or_path);
1039 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1040 break;
1041
1042 default:
1043 req->type = type_path;
1044 req_set_path1 (req, fh_or_path);
1045 break;
1046 }
1047}
1048
1049/*****************************************************************************/
1050
1051static void
1052ts_set (struct timespec *ts, NV value)
1053{
1054 ts->tv_sec = value;
1055 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1056}
1057
1058static NV
1059ts_get (const struct timespec *ts)
1060{
1061 return ts->tv_sec + ts->tv_nsec * 1e-9;
1062}
1063
1064/*****************************************************************************/
1065
1066XS(boot_IO__AIO) ecb_cold;
1067
468MODULE = IO::AIO PACKAGE = IO::AIO 1068MODULE = IO::AIO PACKAGE = IO::AIO
469 1069
470PROTOTYPES: ENABLE 1070PROTOTYPES: ENABLE
471 1071
472BOOT: 1072BOOT:
473{ 1073{
1074 static const struct {
1075 const char *name;
1076 IV iv;
1077 } *civ, const_iv[] = {
1078# define const_niv(name, value) { # name, (IV) value },
1079# define const_iv(name) { # name, (IV) name },
1080# define const_eio(name) { # name, (IV) EIO_ ## name },
1081
1082 /* you have to re-run ./gendef0 after adding/removing any constants here */
1083 /* the first block can be undef if missing */
1084 const_iv (ENOSYS)
1085 const_iv (EXDEV)
1086 const_iv (EBADR)
1087
1088 /* for lseek */
1089 const_iv (SEEK_DATA)
1090 const_iv (SEEK_HOLE)
1091
1092 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1093 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1094 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1095 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1096 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1097 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1098
1099 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1100 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1101 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1102 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1103 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1104
1105 /* the second block will be 0 when missing */
1106 const_iv (O_ACCMODE)
1107
1108 const_iv (O_RDONLY)
1109 const_iv (O_WRONLY)
1110 const_iv (O_RDWR)
1111 const_iv (O_CREAT)
1112 const_iv (O_TRUNC)
1113 const_iv (O_EXCL)
1114 const_iv (O_APPEND)
1115
1116 const_iv (O_ASYNC)
1117 const_iv (O_DIRECT)
1118 const_iv (O_NOATIME)
1119
1120 const_iv (O_CLOEXEC)
1121 const_iv (O_NOCTTY)
1122 const_iv (O_NOFOLLOW)
1123 const_iv (O_NONBLOCK)
1124 const_iv (O_EXEC)
1125 const_iv (O_SEARCH)
1126 const_iv (O_DIRECTORY)
1127 const_iv (O_DSYNC)
1128 const_iv (O_RSYNC)
1129 const_iv (O_SYNC)
1130 const_iv (O_PATH)
1131 const_iv (O_TMPFILE)
1132 const_iv (O_TTY_INIT)
1133
1134 const_iv (S_IFIFO)
1135 const_iv (S_IFCHR)
1136 const_iv (S_IFBLK)
1137 const_iv (S_IFLNK)
1138 const_iv (S_IFREG)
1139 const_iv (S_IFDIR)
1140 const_iv (S_IFWHT)
1141 const_iv (S_IFSOCK)
1142 const_iv (S_IFMT)
1143
1144 const_iv (ST_RDONLY)
1145 const_iv (ST_NOSUID)
1146 const_iv (ST_NODEV)
1147 const_iv (ST_NOEXEC)
1148 const_iv (ST_SYNCHRONOUS)
1149 const_iv (ST_MANDLOCK)
1150 const_iv (ST_WRITE)
1151 const_iv (ST_APPEND)
1152 const_iv (ST_IMMUTABLE)
1153 const_iv (ST_NOATIME)
1154 const_iv (ST_NODIRATIME)
1155 const_iv (ST_RELATIME)
1156
1157 const_iv (PROT_NONE)
1158 const_iv (PROT_EXEC)
1159 const_iv (PROT_READ)
1160 const_iv (PROT_WRITE)
1161
1162 const_iv (MAP_PRIVATE)
1163 const_iv (MAP_SHARED)
1164 const_iv (MAP_FIXED)
1165 const_iv (MAP_ANONYMOUS)
1166
1167 /* linuxish */
1168 const_iv (MAP_LOCKED)
1169 const_iv (MAP_NORESERVE)
1170 const_iv (MAP_POPULATE)
1171 const_iv (MAP_NONBLOCK)
1172 const_iv (MAP_GROWSDOWN)
1173 const_iv (MAP_32BIT)
1174 const_iv (MAP_HUGETLB)
1175 const_iv (MAP_STACK)
1176
1177 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED)
1179
1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC)
1184
1185 const_iv (F_OFD_GETLK)
1186 const_iv (F_OFD_SETLK)
1187 const_iv (F_OFD_GETLKW)
1188
1189 const_iv (FIFREEZE)
1190 const_iv (FITHAW)
1191 const_iv (FITRIM)
1192 const_iv (FICLONE)
1193 const_iv (FICLONERANGE)
1194 const_iv (FIDEDUPERANGE)
1195
1196 const_iv (FS_IOC_GETFLAGS)
1197 const_iv (FS_IOC_SETFLAGS)
1198 const_iv (FS_IOC_GETVERSION)
1199 const_iv (FS_IOC_SETVERSION)
1200 const_iv (FS_IOC_FIEMAP)
1201 const_iv (FS_IOC_FSGETXATTR)
1202 const_iv (FS_IOC_FSSETXATTR)
1203 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1204 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1205 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1206
1207 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1208
1209 const_iv (FS_SECRM_FL)
1210 const_iv (FS_UNRM_FL)
1211 const_iv (FS_COMPR_FL)
1212 const_iv (FS_SYNC_FL)
1213 const_iv (FS_IMMUTABLE_FL)
1214 const_iv (FS_APPEND_FL)
1215 const_iv (FS_NODUMP_FL)
1216 const_iv (FS_NOATIME_FL)
1217 const_iv (FS_DIRTY_FL)
1218 const_iv (FS_COMPRBLK_FL)
1219 const_iv (FS_NOCOMP_FL)
1220 const_iv (FS_ENCRYPT_FL)
1221 const_iv (FS_BTREE_FL)
1222 const_iv (FS_INDEX_FL)
1223 const_iv (FS_JOURNAL_DATA_FL)
1224 const_iv (FS_NOTAIL_FL)
1225 const_iv (FS_DIRSYNC_FL)
1226 const_iv (FS_TOPDIR_FL)
1227 const_iv (FS_FL_USER_MODIFIABLE)
1228
1229 const_iv (FS_XFLAG_REALTIME)
1230 const_iv (FS_XFLAG_PREALLOC)
1231 const_iv (FS_XFLAG_IMMUTABLE)
1232 const_iv (FS_XFLAG_APPEND)
1233 const_iv (FS_XFLAG_SYNC)
1234 const_iv (FS_XFLAG_NOATIME)
1235 const_iv (FS_XFLAG_NODUMP)
1236 const_iv (FS_XFLAG_RTINHERIT)
1237 const_iv (FS_XFLAG_PROJINHERIT)
1238 const_iv (FS_XFLAG_NOSYMLINKS)
1239 const_iv (FS_XFLAG_EXTSIZE)
1240 const_iv (FS_XFLAG_EXTSZINHERIT)
1241 const_iv (FS_XFLAG_NODEFRAG)
1242 const_iv (FS_XFLAG_FILESTREAM)
1243 const_iv (FS_XFLAG_DAX)
1244 const_iv (FS_XFLAG_HASATTR)
1245
1246 const_iv (FIEMAP_FLAG_SYNC)
1247 const_iv (FIEMAP_FLAG_XATTR)
1248 const_iv (FIEMAP_FLAGS_COMPAT)
1249 const_iv (FIEMAP_EXTENT_LAST)
1250 const_iv (FIEMAP_EXTENT_UNKNOWN)
1251 const_iv (FIEMAP_EXTENT_DELALLOC)
1252 const_iv (FIEMAP_EXTENT_ENCODED)
1253 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1254 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1255 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1256 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1257 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1258 const_iv (FIEMAP_EXTENT_MERGED)
1259 const_iv (FIEMAP_EXTENT_SHARED)
1260
1261 const_iv (SPLICE_F_MOVE)
1262 const_iv (SPLICE_F_NONBLOCK)
1263 const_iv (SPLICE_F_MORE)
1264 const_iv (SPLICE_F_GIFT)
1265
1266 const_iv (EFD_CLOEXEC)
1267 const_iv (EFD_NONBLOCK)
1268 const_iv (EFD_SEMAPHORE)
1269
1270 const_iv (CLOCK_REALTIME)
1271 const_iv (CLOCK_MONOTONIC)
1272 const_iv (CLOCK_BOOTTIME)
1273 const_iv (CLOCK_REALTIME_ALARM)
1274 const_iv (CLOCK_BOOTTIME_ALARM)
1275
1276 const_iv (TFD_NONBLOCK)
1277 const_iv (TFD_CLOEXEC)
1278
1279 const_iv (TFD_TIMER_ABSTIME)
1280 const_iv (TFD_TIMER_CANCEL_ON_SET)
1281
1282 /* these are libeio constants, and are independent of gendef0 */
1283 const_eio (SEEK_SET)
1284 const_eio (SEEK_CUR)
1285 const_eio (SEEK_END)
1286
1287 const_eio (MCL_FUTURE)
1288 const_eio (MCL_CURRENT)
1289 const_eio (MCL_ONFAULT)
1290
1291 const_eio (MS_ASYNC)
1292 const_eio (MS_INVALIDATE)
1293 const_eio (MS_SYNC)
1294
1295 const_eio (MT_MODIFY)
1296
1297 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1298 const_eio (SYNC_FILE_RANGE_WRITE)
1299 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1300
1301 const_eio (FALLOC_FL_KEEP_SIZE)
1302 const_eio (FALLOC_FL_PUNCH_HOLE)
1303 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1304 const_eio (FALLOC_FL_ZERO_RANGE)
1305 const_eio (FALLOC_FL_INSERT_RANGE)
1306 const_eio (FALLOC_FL_UNSHARE_RANGE)
1307
1308 const_eio (RENAME_NOREPLACE)
1309 const_eio (RENAME_EXCHANGE)
1310 const_eio (RENAME_WHITEOUT)
1311
1312 const_eio (READDIR_DENTS)
1313 const_eio (READDIR_DIRS_FIRST)
1314 const_eio (READDIR_STAT_ORDER)
1315 const_eio (READDIR_FOUND_UNKNOWN)
1316
1317 const_eio (DT_UNKNOWN)
1318 const_eio (DT_FIFO)
1319 const_eio (DT_CHR)
1320 const_eio (DT_DIR)
1321 const_eio (DT_BLK)
1322 const_eio (DT_REG)
1323 const_eio (DT_LNK)
1324 const_eio (DT_SOCK)
1325 const_eio (DT_WHT)
1326 };
1327
474 stash = gv_stashpv ("IO::AIO", 1); 1328 aio_stash = gv_stashpv ("IO::AIO" , 1);
1329 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1330 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1331 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
475 1332
476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1333 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1334 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1335
479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1336 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1337
1338 /* allocate dummy pipe fd for aio_close */
1339 {
1340 int pipefd [2];
1341
1342 if (
481#ifndef _WIN32 1343#ifdef _WIN32
482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1344 _pipe (pipefd, 1, _O_BINARY) < 0
1345#else
1346 pipe (pipefd) < 0
1347 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
483#endif 1348#endif
1349 || close (pipefd [1]) < 0
1350 )
1351 croak ("IO::AIO: unable to create dummy pipe for aio_close");
484 1352
485 create_respipe (); 1353 close_fd = pipefd [0];
1354 }
486 1355
487 if (eio_init (want_poll, done_poll) < 0) 1356 reinit ();
488 croak ("IO::AIO: unable to initialise eio library");
489
490 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child);
492} 1357}
493 1358
494void 1359void
1360reinit ()
1361 PROTOTYPE:
1362
1363void
495max_poll_reqs (int nreqs) 1364max_poll_reqs (unsigned int nreqs)
496 PROTOTYPE: $ 1365 PROTOTYPE: $
497 CODE: 1366 CODE:
498 eio_set_max_poll_reqs (nreqs); 1367 eio_set_max_poll_reqs (nreqs);
499 1368
500void 1369void
… …
502 PROTOTYPE: $ 1371 PROTOTYPE: $
503 CODE: 1372 CODE:
504 eio_set_max_poll_time (nseconds); 1373 eio_set_max_poll_time (nseconds);
505 1374
506void 1375void
507min_parallel (int nthreads) 1376min_parallel (unsigned int nthreads)
508 PROTOTYPE: $ 1377 PROTOTYPE: $
509 CODE: 1378 CODE:
510 eio_set_min_parallel (nthreads); 1379 eio_set_min_parallel (nthreads);
511 1380
512void 1381void
513max_parallel (int nthreads) 1382max_parallel (unsigned int nthreads)
514 PROTOTYPE: $ 1383 PROTOTYPE: $
515 CODE: 1384 CODE:
516 eio_set_max_parallel (nthreads); 1385 eio_set_max_parallel (nthreads);
517 1386
518void 1387void
519max_idle (int nthreads) 1388max_idle (unsigned int nthreads)
520 PROTOTYPE: $ 1389 PROTOTYPE: $
521 CODE: 1390 CODE:
522 eio_set_max_idle (nthreads); 1391 eio_set_max_idle (nthreads);
523 1392
524void 1393void
1394idle_timeout (unsigned int seconds)
1395 PROTOTYPE: $
1396 CODE:
1397 eio_set_idle_timeout (seconds);
1398
1399void
525max_outstanding (int maxreqs) 1400max_outstanding (unsigned int maxreqs)
526 PROTOTYPE: $ 1401 PROTOTYPE: $
527 CODE: 1402 CODE:
528 max_outstanding = maxreqs; 1403 max_outstanding = maxreqs;
529 1404
530void 1405void
531aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1406aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
532 PROTOTYPE: $$$;$
533 PPCODE: 1407 PPCODE:
534{ 1408{
535 dREQ; 1409 dREQ;
536 1410
1411 req->type = EIO_WD_OPEN;
1412 req_set_path1 (req, pathname);
1413
1414 REQ_SEND;
1415}
1416
1417void
1418aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1419 PPCODE:
1420{
1421 dREQ;
1422
537 req->type = EIO_OPEN; 1423 req->type = EIO_OPEN;
538 req->sv1 = newSVsv (pathname); 1424 req_set_path1 (req, pathname);
539 req->ptr1 = SvPVbyte_nolen (req->sv1);
540 req->int1 = flags; 1425 req->int1 = flags;
541 req->int2 = mode; 1426 req->int2 = mode;
542 1427
543 REQ_SEND; 1428 REQ_SEND;
544} 1429}
545 1430
546void 1431void
547aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1432aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
548 PROTOTYPE: $;$
549 ALIAS: 1433 ALIAS:
550 aio_fsync = EIO_FSYNC 1434 aio_fsync = EIO_FSYNC
551 aio_fdatasync = EIO_FDATASYNC 1435 aio_fdatasync = EIO_FDATASYNC
1436 aio_syncfs = EIO_SYNCFS
552 PPCODE: 1437 PPCODE:
553{ 1438{
1439 int fd = s_fileno_croak (fh, 0);
554 dREQ; 1440 dREQ;
555 1441
556 req->type = ix; 1442 req->type = ix;
557 req->sv1 = newSVsv (fh); 1443 req->sv1 = newSVsv (fh);
558 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1444 req->int1 = fd;
559 1445
560 REQ_SEND (req); 1446 REQ_SEND;
561} 1447}
562 1448
563void 1449void
564aio_close (SV *fh, SV *callback=&PL_sv_undef) 1450aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
565 PROTOTYPE: $;$
566 PPCODE: 1451 PPCODE:
567{ 1452{
568 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1453 int fd = s_fileno_croak (fh, 0);
569 dREQ; 1454 dREQ;
570 1455
571 if (close_pipe < 0) 1456 req->type = EIO_SYNC_FILE_RANGE;
1457 req->sv1 = newSVsv (fh);
1458 req->int1 = fd;
1459 req->offs = offset;
1460 req->size = nbytes;
1461 req->int2 = flags;
1462
1463 REQ_SEND;
1464}
1465
1466void
1467aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1468 PPCODE:
1469{
1470 int fd = s_fileno_croak (fh, 0);
1471 dREQ;
1472
1473 req->type = EIO_FALLOCATE;
1474 req->sv1 = newSVsv (fh);
1475 req->int1 = fd;
1476 req->int2 = mode;
1477 req->offs = offset;
1478 req->size = len;
1479
1480 REQ_SEND;
1481}
1482
1483void
1484aio_close (SV *fh, SV *callback = &PL_sv_undef)
1485 PPCODE:
1486{
1487 int fd = s_fileno_croak (fh, 0);
1488 dREQ;
1489#if 0
1490 /* partially duplicate logic in s_fileno */
1491 SvGETMAGIC (fh);
1492
1493 if (SvROK (fh))
1494 {
1495 fh = SvRV (fh);
1496 SvGETMAGIC (fh);
1497 }
1498
1499 if (SvTYPE (fh) == SVt_PVGV)
572 { 1500 {
573 int pipefd [2]; 1501 /* perl filehandle */
1502 PerlIOUnix_refcnt_inc (fd);
1503 do_close ((GV *)fh, 1);
574 1504
575 if (pipe (pipefd) < 0 1505 req->type = EIO_CLOSE;
576 || close (pipefd [1]) < 0 1506 req->int1 = fd;
577 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1507 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
578 abort (); /*D*/
579
580 close_pipe = pipefd [0];
581 } 1508 }
582 1509 else
1510#endif
1511 {
1512 /* fd number */
583 req->type = EIO_DUP2; 1513 req->type = EIO_DUP2;
584 req->int1 = close_pipe; 1514 req->int1 = close_fd;
1515 req->sv2 = newSVsv (fh);
1516 req->int2 = fd;
1517 }
1518
1519 REQ_SEND;
1520}
1521
1522void
1523aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1524 PPCODE:
1525{
1526 int fd = s_fileno_croak (fh, 0);
1527 dREQ;
1528
1529 req->type = EIO_SEEK;
585 req->sv2 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
586 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1531 req->int1 = fd;
1532 req->offs = SvVAL64 (offset);
1533 req->int2 = whence;
587 1534
588 REQ_SEND (req); 1535 REQ_SEND;
589} 1536}
590 1537
591void 1538void
592aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1539aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
593 ALIAS: 1540 ALIAS:
594 aio_read = EIO_READ 1541 aio_read = EIO_READ
595 aio_write = EIO_WRITE 1542 aio_write = EIO_WRITE
596 PROTOTYPE: $$$$$;$
597 PPCODE: 1543 PPCODE:
598{ 1544{
599 STRLEN svlen; 1545 STRLEN svlen;
1546 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600 char *svptr = SvPVbyte (data, svlen); 1547 char *svptr = SvPVbyte (data, svlen);
601 UV len = SvUV (length); 1548 UV len = SvUV (length);
602
603 SvUPGRADE (data, SVt_PV);
604 SvPOK_on (data);
605 1549
606 if (dataoffset < 0) 1550 if (dataoffset < 0)
607 dataoffset += svlen; 1551 dataoffset += svlen;
608 1552
609 if (dataoffset < 0 || dataoffset > svlen) 1553 if (dataoffset < 0 || dataoffset > svlen)
… …
615 if (!SvOK (length) || len + dataoffset > svlen) 1559 if (!SvOK (length) || len + dataoffset > svlen)
616 len = svlen - dataoffset; 1560 len = svlen - dataoffset;
617 } 1561 }
618 else 1562 else
619 { 1563 {
620 /* read: grow scalar as necessary */ 1564 /* read: check type and grow scalar as necessary */
1565 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
621 svptr = SvGROW (data, len + dataoffset + 1); 1566 svptr = sv_grow (data, len + dataoffset + 1);
1567 else if (SvCUR (data) < len + dataoffset)
1568 croak ("length + dataoffset outside of scalar, and cannot grow");
622 } 1569 }
623
624 if (len < 0)
625 croak ("length must not be negative");
626 1570
627 { 1571 {
628 dREQ; 1572 dREQ;
629 1573
630 req->type = ix; 1574 req->type = ix;
631 req->sv1 = newSVsv (fh); 1575 req->sv1 = newSVsv (fh);
632 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1576 req->int1 = fd;
633 : IoOFP (sv_2io (fh)));
634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1577 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635 req->size = len; 1578 req->size = len;
636 req->sv2 = SvREFCNT_inc (data); 1579 req->sv2 = SvREFCNT_inc (data);
637 req->ptr2 = (char *)svptr + dataoffset; 1580 req->ptr2 = (char *)svptr + dataoffset;
638 req->stroffset = dataoffset; 1581 req->stroffset = dataoffset;
… …
646 REQ_SEND; 1589 REQ_SEND;
647 } 1590 }
648} 1591}
649 1592
650void 1593void
651aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1594aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
652 PROTOTYPE: $$;$ 1595 ALIAS:
1596 aio_ioctl = EIO_IOCTL
1597 aio_fcntl = EIO_FCNTL
653 PPCODE: 1598 PPCODE:
654{ 1599{
655 SV *data; 1600 int fd = s_fileno_croak (fh, 0);
1601 char *svptr;
1602
1603 if (SvPOK (arg) || !SvNIOK (arg))
1604 {
1605 STRLEN svlen;
1606 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1607#ifdef IOCPARM_LEN
1608 STRLEN need = IOCPARM_LEN (request);
1609#else
1610 STRLEN need = 256;
1611#endif
1612
1613 if (svlen < need)
1614 svptr = SvGROW (arg, need);
1615 }
1616 else
1617 svptr = (char *)SvIV (arg);
1618
1619 {
1620 dREQ;
1621
1622 req->type = ix;
1623 req->sv1 = newSVsv (fh);
1624 req->int1 = fd;
1625 req->int2 = (long)request;
1626 req->sv2 = SvREFCNT_inc (arg);
1627 req->ptr2 = svptr;
1628
1629 REQ_SEND;
1630 }
1631}
1632
1633void
1634aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1635 ALIAS:
1636 aio_readlink = EIO_READLINK
1637 aio_realpath = EIO_REALPATH
1638 PPCODE:
1639{
656 dREQ; 1640 dREQ;
657 1641
658 req->type = EIO_READLINK; 1642 req->type = ix;
659 req->sv1 = newSVsv (path); 1643 req_set_path1 (req, pathname);
660 req->ptr1 = SvPVbyte_nolen (req->sv1);
661 1644
662 REQ_SEND; 1645 REQ_SEND;
663} 1646}
664 1647
665void 1648void
666aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1649aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
667 PROTOTYPE: $$$$;$
668 PPCODE: 1650 PPCODE:
669{ 1651{
1652 int ifd = s_fileno_croak (in_fh , 0);
1653 int ofd = s_fileno_croak (out_fh, 1);
670 dREQ; 1654 dREQ;
671 1655
672 req->type = EIO_SENDFILE; 1656 req->type = EIO_SENDFILE;
673 req->sv1 = newSVsv (out_fh); 1657 req->sv1 = newSVsv (out_fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1658 req->int1 = ofd;
675 req->sv2 = newSVsv (in_fh); 1659 req->sv2 = newSVsv (in_fh);
676 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1660 req->int2 = ifd;
677 req->offs = SvVAL64 (in_offset); 1661 req->offs = in_offset;
678 req->size = length; 1662 req->size = length;
679 1663
680 REQ_SEND; 1664 REQ_SEND;
681} 1665}
682 1666
683void 1667void
684aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1668aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1669 PPCODE:
687{ 1670{
1671 int fd = s_fileno_croak (fh, 0);
688 dREQ; 1672 dREQ;
689 1673
690 req->type = EIO_READAHEAD; 1674 req->type = EIO_READAHEAD;
691 req->sv1 = newSVsv (fh); 1675 req->sv1 = newSVsv (fh);
692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1676 req->int1 = fd;
693 req->offs = SvVAL64 (offset); 1677 req->offs = offset;
694 req->size = length; 1678 req->size = length;
695 1679
696 REQ_SEND; 1680 REQ_SEND;
697} 1681}
698 1682
699void 1683void
700aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1684aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
701 ALIAS: 1685 ALIAS:
702 aio_stat = EIO_STAT 1686 aio_stat = EIO_STAT
703 aio_lstat = EIO_LSTAT 1687 aio_lstat = EIO_LSTAT
1688 aio_statvfs = EIO_STATVFS
704 PPCODE: 1689 PPCODE:
705{ 1690{
706 dREQ; 1691 dREQ;
707 1692
708 req->sv1 = newSVsv (fh_or_path); 1693 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
709
710 if (SvPOK (req->sv1))
711 {
712 req->type = ix;
713 req->ptr1 = SvPVbyte_nolen (req->sv1);
714 }
715 else
716 {
717 req->type = EIO_FSTAT;
718 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719 }
720 1694
721 REQ_SEND; 1695 REQ_SEND;
722} 1696}
723 1697
724void 1698void
1699st_xtime ()
1700 ALIAS:
1701 st_atime = 0x01
1702 st_mtime = 0x02
1703 st_ctime = 0x04
1704 st_btime = 0x08
1705 st_xtime = 0x0f
1706 PPCODE:
1707 EXTEND (SP, 4);
1708 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1709 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1710 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1711 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1712
1713void
1714st_xtimensec ()
1715 ALIAS:
1716 st_atimensec = 0x01
1717 st_mtimensec = 0x02
1718 st_ctimensec = 0x04
1719 st_btimensec = 0x08
1720 st_xtimensec = 0x0f
1721 st_btimesec = 0x10
1722 st_gen = 0x20
1723 PPCODE:
1724 EXTEND (SP, 4);
1725 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1726 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1727 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1728 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1729 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1730 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1731
1732UV
1733major (UV dev)
1734 ALIAS:
1735 minor = 1
1736 CODE:
1737 RETVAL = ix ? minor (dev) : major (dev);
1738 OUTPUT:
1739 RETVAL
1740
1741UV
1742makedev (UV maj, UV min)
1743 CODE:
1744 RETVAL = makedev (maj, min);
1745 OUTPUT:
1746 RETVAL
1747
1748void
725aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1749aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
726 PPCODE: 1750 PPCODE:
727{ 1751{
728 dREQ; 1752 dREQ;
729 1753
730 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1754 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
731 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1755 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
732 req->sv1 = newSVsv (fh_or_path); 1756 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
733
734 if (SvPOK (req->sv1))
735 {
736 req->type = EIO_UTIME;
737 req->ptr1 = SvPVbyte_nolen (req->sv1);
738 }
739 else
740 {
741 req->type = EIO_FUTIME;
742 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743 }
744 1757
745 REQ_SEND; 1758 REQ_SEND;
746} 1759}
747 1760
748void 1761void
749aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1762aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
750 PPCODE: 1763 PPCODE:
751{ 1764{
752 dREQ; 1765 dREQ;
753 1766
754 req->sv1 = newSVsv (fh_or_path);
755 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1767 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
756 1768 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
757 if (SvPOK (req->sv1))
758 {
759 req->type = EIO_TRUNCATE;
760 req->ptr1 = SvPVbyte_nolen (req->sv1);
761 }
762 else
763 {
764 req->type = EIO_FTRUNCATE;
765 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
766 }
767 1769
768 REQ_SEND; 1770 REQ_SEND;
769} 1771}
770 1772
771void 1773void
772aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1774aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
773 ALIAS:
774 aio_chmod = EIO_CHMOD
775 aio_mkdir = EIO_MKDIR
776 PPCODE: 1775 PPCODE:
777{ 1776{
778 dREQ; 1777 dREQ;
779 1778
780 req->int2 = mode; 1779 req->int2 = mode;
781 req->sv1 = newSVsv (fh_or_path); 1780 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
782
783 if (SvPOK (req->sv1))
784 {
785 req->type = ix;
786 req->ptr1 = SvPVbyte_nolen (req->sv1);
787 }
788 else
789 {
790 req->type = EIO_FCHMOD;
791 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
792 }
793 1781
794 REQ_SEND; 1782 REQ_SEND;
795} 1783}
796 1784
797void 1785void
798aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1786aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
799 PPCODE: 1787 PPCODE:
800{ 1788{
801 dREQ; 1789 dREQ;
802 1790
803 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1791 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1792 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805 req->sv1 = newSVsv (fh_or_path); 1793 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
806
807 if (SvPOK (req->sv1))
808 {
809 req->type = EIO_CHOWN;
810 req->ptr1 = SvPVbyte_nolen (req->sv1);
811 }
812 else
813 {
814 req->type = EIO_FCHOWN;
815 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816 }
817 1794
818 REQ_SEND; 1795 REQ_SEND;
819} 1796}
820 1797
821void 1798void
1799aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1800 PPCODE:
1801{
1802 dREQ;
1803
1804 req->type = EIO_READDIR;
1805 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1806
1807 if (flags & EIO_READDIR_DENTS)
1808 req->int1 |= EIO_READDIR_CUSTOM2;
1809
1810 req_set_path1 (req, pathname);
1811
1812 REQ_SEND;
1813}
1814
1815void
1816aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1817 PPCODE:
1818{
1819 dREQ;
1820
1821 req->type = EIO_MKDIR;
1822 req->int2 = mode;
1823 req_set_path1 (req, pathname);
1824
1825 REQ_SEND;
1826}
1827
1828void
822aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1829aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
823 ALIAS: 1830 ALIAS:
824 aio_unlink = EIO_UNLINK 1831 aio_unlink = EIO_UNLINK
825 aio_rmdir = EIO_RMDIR 1832 aio_rmdir = EIO_RMDIR
826 aio_readdir = EIO_READDIR 1833 aio_readdir = EIO_READDIR
827 PPCODE: 1834 PPCODE:
828{ 1835{
829 dREQ; 1836 dREQ;
830 1837
831 req->type = ix; 1838 req->type = ix;
832 req->sv1 = newSVsv (pathname); 1839 req_set_path1 (req, pathname);
833 req->ptr1 = SvPVbyte_nolen (req->sv1);
834 1840
835 REQ_SEND; 1841 REQ_SEND;
836} 1842}
837 1843
838void 1844void
839aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1845aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
840 ALIAS: 1846 ALIAS:
841 aio_link = EIO_LINK 1847 aio_link = EIO_LINK
842 aio_symlink = EIO_SYMLINK 1848 aio_symlink = EIO_SYMLINK
843 aio_rename = EIO_RENAME 1849 aio_rename = EIO_RENAME
844 PPCODE: 1850 PPCODE:
845{ 1851{
1852 eio_wd wd2 = 0;
846 dREQ; 1853 dREQ;
847 1854
848 req->type = ix; 1855 req->type = ix;
849 req->sv1 = newSVsv (oldpath); 1856 req_set_path1 (req, oldpath);
850 req->ptr1 = SvPVbyte_nolen (req->sv1); 1857 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
851 req->sv2 = newSVsv (newpath); 1858 req->int3 = (long)wd2;
852 req->ptr2 = SvPVbyte_nolen (req->sv2);
853 1859
854 REQ_SEND; 1860 REQ_SEND;
855} 1861}
856 1862
857void 1863void
1864aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1865 PPCODE:
1866{
1867 eio_wd wd2 = 0;
1868 dREQ;
1869
1870 req->type = EIO_RENAME;
1871 req_set_path1 (req, oldpath);
1872 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1873 req->int2 = flags;
1874 req->int3 = (long)wd2;
1875
1876 REQ_SEND;
1877}
1878
1879void
858aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1880aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
859 PPCODE: 1881 PPCODE:
860{ 1882{
861 dREQ; 1883 dREQ;
862 1884
863 req->type = EIO_MKNOD; 1885 req->type = EIO_MKNOD;
864 req->sv1 = newSVsv (pathname);
865 req->ptr1 = SvPVbyte_nolen (req->sv1);
866 req->int2 = (mode_t)mode; 1886 req->int2 = (mode_t)mode;
867 req->offs = dev; 1887 req->offs = dev;
1888 req_set_path1 (req, pathname);
868 1889
869 REQ_SEND; 1890 REQ_SEND;
870} 1891}
871 1892
872void 1893void
1894aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1895 ALIAS:
1896 aio_mtouch = EIO_MTOUCH
1897 aio_msync = EIO_MSYNC
1898 PPCODE:
1899{
1900 STRLEN svlen;
1901 char *svptr = SvPVbyte (data, svlen);
1902 UV len = SvUV (length);
1903
1904 if (flags < 0)
1905 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1906
1907 if (offset < 0)
1908 offset += svlen;
1909
1910 if (offset < 0 || offset > svlen)
1911 croak ("offset outside of scalar");
1912
1913 if (!SvOK (length) || len + offset > svlen)
1914 len = svlen - offset;
1915
1916 {
1917 dREQ;
1918
1919 req->type = ix;
1920 req->sv2 = SvREFCNT_inc (data);
1921 req->ptr2 = (char *)svptr + offset;
1922 req->size = len;
1923 req->int1 = flags;
1924
1925 REQ_SEND;
1926 }
1927}
1928
1929void
1930aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1931 PPCODE:
1932{
1933 STRLEN svlen;
1934 char *svptr = SvPVbyte (data, svlen);
1935 UV len = SvUV (length);
1936
1937 if (offset < 0)
1938 offset += svlen;
1939
1940 if (offset < 0 || offset > svlen)
1941 croak ("offset outside of scalar");
1942
1943 if (!SvOK (length) || len + offset > svlen)
1944 len = svlen - offset;
1945
1946 {
1947 dREQ;
1948
1949 req->type = EIO_MLOCK;
1950 req->sv2 = SvREFCNT_inc (data);
1951 req->ptr2 = (char *)svptr + offset;
1952 req->size = len;
1953
1954 REQ_SEND;
1955 }
1956}
1957
1958void
1959aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 dREQ;
1963
1964 req->type = EIO_MLOCKALL;
1965 req->int1 = flags;
1966
1967 REQ_SEND;
1968}
1969
1970void
1971aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1972 PPCODE:
1973{
1974 int fd = s_fileno_croak (fh, 0);
1975 dREQ;
1976
1977 req->type = EIO_CUSTOM;
1978 req->sv1 = newSVsv (fh);
1979 req->int1 = fd;
1980
1981 req->feed = fiemap;
1982#if HAVE_FIEMAP
1983 /* keep our fingers crossed that the next two types are 64 bit */
1984 req->offs = start;
1985 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1986 req->int2 = flags;
1987 req->int3 = SvOK (count) ? SvIV (count) : -1;
1988#endif
1989
1990 REQ_SEND;
1991}
1992
1993void
1994aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1995 PPCODE:
1996{
1997 char *svptr = 0;
1998
1999 sv_clear_foreign (data);
2000
2001 if (length) /* known length, directly read into scalar */
2002 {
2003 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2004 svptr = sv_grow (data, length + 1);
2005 else if (SvCUR (data) < length)
2006 croak ("length outside of scalar, and cannot grow");
2007 else
2008 svptr = SvPVbyte_nolen (data);
2009 }
2010
2011 {
2012 dREQ;
2013
2014 req->type = EIO_SLURP;
2015 req_set_path1 (req, pathname);
2016 req->offs = offset;
2017 req->size = length;
2018 req->sv2 = SvREFCNT_inc (data);
2019 req->ptr2 = svptr;
2020
2021 if (!SvREADONLY (data))
2022 {
2023 SvREADONLY_on (data);
2024 req->flags |= FLAG_SV2_RO_OFF;
2025 }
2026
2027 REQ_SEND;
2028 }
2029}
2030
2031void
873aio_busy (double delay, SV *callback=&PL_sv_undef) 2032aio_busy (double delay, SV *callback = &PL_sv_undef)
874 PPCODE: 2033 PPCODE:
875{ 2034{
876 dREQ; 2035 dREQ;
877 2036
878 req->type = EIO_BUSY; 2037 req->type = EIO_BUSY;
… …
880 2039
881 REQ_SEND; 2040 REQ_SEND;
882} 2041}
883 2042
884void 2043void
885aio_group (SV *callback=&PL_sv_undef) 2044aio_group (SV *callback = &PL_sv_undef)
886 PROTOTYPE: ;$
887 PPCODE: 2045 PPCODE:
888{ 2046{
889 dREQ; 2047 dREQ;
890 2048
891 req->type = EIO_GROUP; 2049 req->type = EIO_GROUP;
892 2050
2051 PUTBACK;
893 eio_submit (req); 2052 req_submit (req);
2053 SPAGAIN;
2054
894 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2055 XPUSHs (req_sv (req, aio_grp_stash));
895} 2056}
896 2057
897void 2058void
898aio_nop (SV *callback=&PL_sv_undef) 2059aio_nop (SV *callback = &PL_sv_undef)
899 ALIAS: 2060 ALIAS:
900 aio_nop = EIO_NOP 2061 aio_nop = EIO_NOP
901 aio_sync = EIO_SYNC 2062 aio_sync = EIO_SYNC
902 PPCODE: 2063 PPCODE:
903{ 2064{
… …
907 2068
908 REQ_SEND; 2069 REQ_SEND;
909} 2070}
910 2071
911int 2072int
912aioreq_pri (int pri = 0) 2073aioreq_pri (int pri = NO_INIT)
913 PROTOTYPE: ;$
914 CODE: 2074 CODE:
915 RETVAL = next_pri; 2075 RETVAL = next_pri;
916 if (items > 0) 2076 if (items > 0)
917 { 2077 {
918 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2078 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
930 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2090 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931 next_pri = nice; 2091 next_pri = nice;
932 2092
933void 2093void
934flush () 2094flush ()
935 PROTOTYPE:
936 CODE: 2095 CODE:
937 while (eio_nreqs ()) 2096 while (eio_nreqs ())
938 { 2097 {
939 poll_wait (); 2098 poll_wait ();
940 poll_cb (); 2099 poll_cb ();
941 } 2100 }
942 2101
943int 2102int
944poll() 2103poll ()
945 PROTOTYPE:
946 CODE: 2104 CODE:
947 poll_wait (); 2105 poll_wait ();
948 RETVAL = poll_cb (); 2106 RETVAL = poll_cb ();
949 OUTPUT: 2107 OUTPUT:
950 RETVAL 2108 RETVAL
951 2109
952int 2110int
953poll_fileno() 2111poll_fileno ()
954 PROTOTYPE:
955 CODE: 2112 CODE:
956 RETVAL = respipe [0]; 2113 RETVAL = s_epipe_fd (&respipe);
957 OUTPUT: 2114 OUTPUT:
958 RETVAL 2115 RETVAL
959 2116
960int 2117int
961poll_cb(...) 2118poll_cb (...)
962 PROTOTYPE: 2119 PROTOTYPE:
963 CODE: 2120 CODE:
964 RETVAL = poll_cb (); 2121 RETVAL = poll_cb ();
965 OUTPUT: 2122 OUTPUT:
966 RETVAL 2123 RETVAL
967 2124
968void 2125void
969poll_wait() 2126poll_wait ()
970 PROTOTYPE:
971 CODE: 2127 CODE:
972 poll_wait (); 2128 poll_wait ();
973 2129
974int 2130int
975nreqs() 2131nreqs ()
976 PROTOTYPE:
977 CODE: 2132 CODE:
978 RETVAL = eio_nreqs (); 2133 RETVAL = eio_nreqs ();
979 OUTPUT: 2134 OUTPUT:
980 RETVAL 2135 RETVAL
981 2136
982int 2137int
983nready() 2138nready ()
984 PROTOTYPE:
985 CODE: 2139 CODE:
986 RETVAL = eio_nready (); 2140 RETVAL = eio_nready ();
987 OUTPUT: 2141 OUTPUT:
988 RETVAL 2142 RETVAL
989 2143
990int 2144int
991npending() 2145npending ()
992 PROTOTYPE:
993 CODE: 2146 CODE:
994 RETVAL = eio_npending (); 2147 RETVAL = eio_npending ();
995 OUTPUT: 2148 OUTPUT:
996 RETVAL 2149 RETVAL
997 2150
998int 2151int
999nthreads() 2152nthreads ()
1000 PROTOTYPE:
1001 CODE: 2153 CODE:
1002 RETVAL = eio_nthreads (); 2154 RETVAL = eio_nthreads ();
1003 OUTPUT: 2155 OUTPUT:
1004 RETVAL 2156 RETVAL
1005 2157
2158int
2159fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2160 CODE:
2161 RETVAL = posix_fadvise (fh, offset, length, advice);
2162 OUTPUT:
2163 RETVAL
2164
2165IV
2166sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2167 CODE:
2168 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2169 OUTPUT:
2170 RETVAL
2171
2172void
2173mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2174 PPCODE:
2175 sv_clear_foreign (scalar);
2176{
2177 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2178 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2179 if (addr == (void *)-1)
2180 XSRETURN_NO;
2181
2182 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2183
2184 if (!(prot & PROT_WRITE))
2185 SvREADONLY_on (scalar);
2186
2187 XSRETURN_YES;
2188}
2189
2190void
2191munmap (SV *scalar)
2192 CODE:
2193 sv_clear_foreign (scalar);
2194
2195SV *
2196mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2197 CODE:
2198{
2199 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2200 void *new;
2201
2202 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2203 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2204
2205 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2206
2207 RETVAL = &PL_sv_no;
2208
2209 if (new != (void *)-1)
2210 {
2211 RETVAL = new == (void *)mg->mg_ptr
2212 ? newSVpvn ("0 but true", 10)
2213 : &PL_sv_yes;
2214
2215 mg->mg_ptr = (char *)new;
2216 mg->mg_obj = (SV *)new_length;
2217
2218 SvPVX (scalar) = mg->mg_ptr;
2219 SvCUR_set (scalar, new_length);
2220 }
2221}
2222 OUTPUT:
2223 RETVAL
2224
2225int
2226madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2227 ALIAS:
2228 mprotect = 1
2229 CODE:
2230{
2231 STRLEN svlen;
2232 void *addr = SvPVbyte (scalar, svlen);
2233 STRLEN len = SvUV (length);
2234
2235 if (offset < 0)
2236 offset += svlen;
2237
2238 if (offset < 0 || offset > svlen)
2239 croak ("offset outside of scalar");
2240
2241 if (!SvOK (length) || len + offset > svlen)
2242 len = svlen - offset;
2243
2244 addr = (void *)(((intptr_t)addr) + offset);
2245 eio_page_align (&addr, &len);
2246
2247 switch (ix)
2248 {
2249 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2250 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2251 }
2252}
2253 OUTPUT:
2254 RETVAL
2255
2256int
2257munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2258 CODE:
2259{
2260 STRLEN svlen;
2261 void *addr = SvPVbyte (scalar, svlen);
2262 size_t len = SvUV (length);
2263
2264 if (offset < 0)
2265 offset += svlen;
2266
2267 if (offset < 0 || offset > svlen)
2268 croak ("offset outside of scalar");
2269
2270 if (!SvOK (length) || len + offset > svlen)
2271 len = svlen - offset;
2272
2273 addr = (void *)(((intptr_t)addr) + offset);
2274 eio_page_align (&addr, &len);
2275#if _POSIX_MEMLOCK_RANGE
2276 RETVAL = munlock (addr, len);
2277#else
2278 RETVAL = EIO_ENOSYS ();
2279#endif
2280}
2281 OUTPUT:
2282 RETVAL
2283
2284int
2285mlockall (int flags)
2286 PROTOTYPE: $;
2287 CODE:
2288 RETVAL = eio_mlockall_sync (flags);
2289 OUTPUT:
2290 RETVAL
2291
2292int
2293munlockall ()
2294 CODE:
2295#if _POSIX_MEMLOCK
2296 munlockall ();
2297#else
2298 RETVAL = EIO_ENOSYS ();
2299#endif
2300 OUTPUT:
2301 RETVAL
2302
2303int
2304splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2305 CODE:
2306{
2307#if HAVE_LINUX_SPLICE
2308 loff_t off_in_, off_out_;
2309 RETVAL = splice (
2310 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2311 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2312 length, flags
2313 );
2314#else
2315 RETVAL = EIO_ENOSYS ();
2316#endif
2317}
2318 OUTPUT:
2319 RETVAL
2320
2321int
2322tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2323 CODE:
2324#if HAVE_LINUX_SPLICE
2325 RETVAL = tee (rfh, wfh, length, flags);
2326#else
2327 RETVAL = EIO_ENOSYS ();
2328#endif
2329 OUTPUT:
2330 RETVAL
2331
2332int
2333pipesize (aio_rfd rfh, int new_size = -1)
2334 PROTOTYPE: $;$
2335 CODE:
2336#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2337 if (new_size >= 0)
2338 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2339 else
2340 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2341#else
2342 errno = ENOSYS;
2343 RETVAL = -1;
2344#endif
2345 OUTPUT:
2346 RETVAL
2347
2348void
2349pipe2 (int flags = 0)
2350 PROTOTYPE: ;$
2351 PPCODE:
2352{
2353 int fd[2];
2354 int res;
2355
2356 if (flags)
2357#if HAVE_PIPE2
2358 res = pipe2 (fd, flags);
2359#else
2360 res = (errno = ENOSYS, -1);
2361#endif
2362 else
2363 res = pipe (fd);
2364
2365 if (!res)
2366 {
2367 EXTEND (SP, 2);
2368 PUSHs (newmortalFH (fd[0], O_RDONLY));
2369 PUSHs (newmortalFH (fd[1], O_WRONLY));
2370 }
2371}
2372
2373void
2374eventfd (unsigned int initval = 0, int flags = 0)
2375 PPCODE:
2376{
2377 int fd;
2378#if HAVE_EVENTFD
2379 fd = eventfd (initval, flags);
2380#else
2381 fd = (errno = ENOSYS, -1);
2382#endif
2383
2384 XPUSHs (newmortalFH (fd, O_RDWR));
2385}
2386
2387void
2388timerfd_create (int clockid, int flags = 0)
2389 PPCODE:
2390{
2391 int fd;
2392#if HAVE_TIMERFD
2393 fd = timerfd_create (clockid, flags);
2394#else
2395 fd = (errno = ENOSYS, -1);
2396#endif
2397
2398 XPUSHs (newmortalFH (fd, O_RDWR));
2399}
2400
2401void
2402timerfd_settime (SV *fh, int flags, NV interval, NV value)
2403 PPCODE:
2404{
2405 int fd = s_fileno_croak (fh, 0);
2406#if HAVE_TIMERFD
2407 int res;
2408 struct itimerspec its, ots;
2409
2410 ts_set (&its.it_interval, interval);
2411 ts_set (&its.it_value , value);
2412 res = timerfd_settime (fd, flags, &its, &ots);
2413
2414 if (!res)
2415 {
2416 EXTEND (SP, 2);
2417 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2418 PUSHs (newSVnv (ts_get (&ots.it_value)));
2419 }
2420#else
2421 errno = ENOSYS;
2422#endif
2423}
2424
2425void
2426timerfd_gettime (SV *fh)
2427 PPCODE:
2428{
2429 int fd = s_fileno_croak (fh, 0);
2430#if HAVE_TIMERFD
2431 int res;
2432 struct itimerspec ots;
2433 res = timerfd_gettime (fd, &ots);
2434
2435 if (!res)
2436 {
2437 EXTEND (SP, 2);
2438 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2439 PUSHs (newSVnv (ts_get (&ots.it_value)));
2440 }
2441#else
2442 errno = ENOSYS;
2443#endif
2444}
2445
2446UV
2447get_fdlimit ()
2448 CODE:
2449#if HAVE_RLIMITS
2450 struct rlimit rl;
2451 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2452 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2453#endif
2454 XSRETURN_UNDEF;
2455 OUTPUT:
2456 RETVAL
2457
2458void
2459min_fdlimit (UV limit = 0x7fffffffU)
2460 CODE:
2461{
2462#if HAVE_RLIMITS
2463 struct rlimit rl;
2464 rlim_t orig_rlim_max;
2465 UV bit;
2466
2467 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2468 goto fail;
2469
2470 if (rl.rlim_cur == RLIM_INFINITY)
2471 XSRETURN_YES;
2472
2473 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2474
2475 if (rl.rlim_cur < limit)
2476 {
2477 rl.rlim_cur = limit;
2478
2479 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2480 rl.rlim_max = rl.rlim_cur;
2481 }
2482
2483 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2484 XSRETURN_YES;
2485
2486 if (errno == EPERM)
2487 {
2488 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2489 /* our limit overflows a system-wide limit */
2490 /* try an adaptive algorithm, but do not lower the hardlimit */
2491 rl.rlim_max = 0;
2492 for (bit = 0x40000000U; bit; bit >>= 1)
2493 {
2494 rl.rlim_max |= bit;
2495 rl.rlim_cur = rl.rlim_max;
2496
2497 /* nevr decrease the hard limit */
2498 if (rl.rlim_max < orig_rlim_max)
2499 break;
2500
2501 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2502 rl.rlim_max &= ~bit; /* too high, remove bit again */
2503 }
2504
2505 /* now, raise the soft limit to the max permitted */
2506 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2507 {
2508 rl.rlim_cur = rl.rlim_max;
2509 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2510 errno = EPERM;
2511 }
2512 }
2513#endif
2514 fail:
2515 XSRETURN_UNDEF;
2516}
2517
1006void _on_next_submit (SV *cb) 2518void _on_next_submit (SV *cb)
1007 CODE: 2519 CODE:
1008 SvREFCNT_dec (on_next_submit); 2520 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2521 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010 2522
1011PROTOTYPES: DISABLE 2523PROTOTYPES: DISABLE
1012 2524
2525MODULE = IO::AIO PACKAGE = IO::AIO::WD
2526
2527BOOT:
2528{
2529 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2530 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2531}
2532
2533void
2534DESTROY (SV *self)
2535 CODE:
2536{
2537 aio_wd wd = SvAIO_WD (self);
2538#if HAVE_AT
2539 {
2540 SV *callback = &PL_sv_undef;
2541 dREQ; /* clobbers next_pri :/ */
2542 next_pri = req->pri; /* restore next_pri */
2543 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2544 req->type = EIO_WD_CLOSE;
2545 req->wd = wd;
2546 REQ_SEND;
2547 }
2548#else
2549 eio_wd_close_sync (wd);
2550#endif
2551}
2552
1013MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2553MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1014 2554
1015void 2555void
1016cancel (aio_req_ornot req) 2556cancel (aio_req_ornot req)
1017 CODE: 2557 CODE:
1018 eio_cancel (req); 2558 eio_cancel (req);
1019 2559
1020void 2560void
1021cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2561cb (aio_req_ornot req, SV *callback = NO_INIT)
1022 CODE: 2562 PPCODE:
2563{
2564 if (GIMME_V != G_VOID)
2565 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2566
2567 if (items > 1)
2568 {
2569 SV *cb_cv = get_cb (callback);
2570
1023 SvREFCNT_dec (req->callback); 2571 SvREFCNT_dec (req->callback);
1024 req->callback = newSVsv (callback); 2572 req->callback = SvREFCNT_inc (cb_cv);
2573 }
2574}
1025 2575
1026MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2576MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027 2577
1028void 2578void
1029add (aio_req grp, ...) 2579add (aio_req grp, ...)
… …
1061 AV *av; 2611 AV *av;
1062 2612
1063 grp->errorno = errno; 2613 grp->errorno = errno;
1064 2614
1065 av = newAV (); 2615 av = newAV ();
2616 av_extend (av, items - 1);
1066 2617
1067 for (i = 1; i < items; ++i ) 2618 for (i = 1; i < items; ++i )
1068 av_push (av, newSVsv (ST (i))); 2619 av_push (av, newSVsv (ST (i)));
1069 2620
1070 SvREFCNT_dec (grp->sv1); 2621 SvREFCNT_dec (grp->sv1);
… …
1080limit (aio_req grp, int limit) 2631limit (aio_req grp, int limit)
1081 CODE: 2632 CODE:
1082 eio_grp_limit (grp, limit); 2633 eio_grp_limit (grp, limit);
1083 2634
1084void 2635void
1085feed (aio_req grp, SV *callback=&PL_sv_undef) 2636feed (aio_req grp, SV *callback = &PL_sv_undef)
1086 CODE: 2637 CODE:
1087{ 2638{
1088 SvREFCNT_dec (grp->sv2); 2639 SvREFCNT_dec (grp->sv2);
1089 grp->sv2 = newSVsv (callback); 2640 grp->sv2 = newSVsv (callback);
2641 grp->feed = aio_grp_feed;
1090 2642
1091 if (grp->int2 <= 0) 2643 if (grp->int2 <= 0)
1092 grp->int2 = 2; 2644 grp->int2 = 2;
1093 2645
1094 eio_grp_limit (grp, grp->int2); 2646 eio_grp_limit (grp, grp->int2);

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