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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.156 by root, Thu Nov 12 00:01:52 2009 UTC vs.
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 22
23/* the incompetent fool that created musl keeps __linux__, refuses
24 * to implement any linux standard apis, and also has no way to test
25 * for his broken iplementation. don't complain to me if this fails
26 * for you.
27 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP
31# include <linux/types.h>
32# include <linux/fiemap.h>
33# define HAVE_FIEMAP 1
34# endif
35#endif
36
20/* perl namespace pollution */ 37/* perl namespace pollution */
21#undef VERSION 38#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 39
72/* perl stupidly overrides readdir and maybe others */ 40/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 41/* with thread-unsafe versions, imagine that :( */
74#undef readdir 42#undef readdir
75#undef opendir 43#undef opendir
76#undef closedir 44#undef closedir
77 45
46#ifdef _WIN32
47
48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
52 #undef open
53 #undef read
54 #undef write
55 #undef send
56 #undef recv
57 #undef stat
58 #undef lstat
59 #undef fstat
60 #undef truncate
61 #undef ftruncate
62 #undef open
63 #undef link
64 #undef close
65 #undef unlink
66 #undef mkdir
67 #undef rmdir
68 #undef rename
69 #undef lseek
70 #undef opendir
71 #undef readdir
72 #undef closedir
73 #undef chmod
74 #undef fchmod
75 #undef dup
76 #undef dup2
77 #undef abort
78 #undef pipe
79 #undef utime
80
81 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 82 #define EIO_STRUCT_STATI64
79 83
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 84#else
86# define VAL64 NV 85
87# define SvVAL64 SvNV 86 #include <sys/time.h>
88# define newSVval64 newSVnv 87 #include <sys/select.h>
88 #include <unistd.h>
89 #include <utime.h>
90 #include <signal.h>
91
92 #define EIO_STRUCT_STAT Stat_t
93
89#endif 94#endif
90 95
91/*****************************************************************************/ 96/*****************************************************************************/
92 97
93#if __GNUC__ >= 3 98#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
109#include "config.h"
110
111#if HAVE_SYS_MKDEV_H
112# include <sys/mkdev.h>
113#elif HAVE_SYS_SYSMACROS_H
114# include <sys/sysmacros.h>
115#endif
116
117#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
118# include <sys/mman.h>
119#endif
120
121#if HAVE_ST_XTIMENSEC
122# define ATIMENSEC PL_statcache.st_atimensec
123# define MTIMENSEC PL_statcache.st_mtimensec
124# define CTIMENSEC PL_statcache.st_ctimensec
125#elif HAVE_ST_XTIMESPEC
126# define ATIMENSEC PL_statcache.st_atim.tv_nsec
127# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
128# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
129#else
130# define ATIMENSEC 0
131# define MTIMENSEC 0
132# define CTIMENSEC 0
133#endif
134
135#if HAVE_ST_BIRTHTIMENSEC
136# define BTIMESEC PL_statcache.st_birthtime
137# define BTIMENSEC PL_statcache.st_birthtimensec
138#elif HAVE_ST_BIRTHTIMESPEC
139# define BTIMESEC PL_statcache.st_birthtim.tv_sec
140# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
141#else
142# define BTIMESEC 0
143# define BTIMENSEC 0
144#endif
145
146#if HAVE_ST_GEN
147# define ST_GEN PL_statcache.st_gen
148#else
149# define ST_GEN 0
150#endif
151
152#include "schmorp.h"
153
154#if HAVE_EVENTFD
155# include <sys/eventfd.h>
156#endif
157
158#if HAVE_TIMERFD
159# include <sys/timerfd.h>
160#endif
161
162#if HAVE_RLIMITS
163 #include <sys/time.h>
164 #include <sys/resource.h>
165#endif
166
104typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
107 170
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 172
110#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
111 SV *callback; \ 174 SV *callback; \
112 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 177 STRLEN stroffset; \
114 SV *self; 178 SV *self;
115 179
116#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
117 181
118#include "libeio/eio.h" 182#include "libeio/eio.h"
119
120#ifndef POSIX_FADV_NORMAL
121# define POSIX_FADV_NORMAL 0
122# define NO_FADVISE 1
123#endif
124
125#ifndef POSIX_FADV_SEQUENTIAL
126# define POSIX_FADV_SEQUENTIAL 0
127#endif
128
129#ifndef POSIX_FADV_RANDOM
130# define POSIX_FADV_RANDOM 0
131#endif
132
133#ifndef POSIX_FADV_NOREUSE
134# define POSIX_FADV_NOREUSE 0
135#endif
136
137#ifndef POSIX_FADV_WILLNEED
138# define POSIX_FADV_WILLNEED 0
139#endif
140
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 183
145static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
146#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
147static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
148#define EIO_DESTROY(req) req_destroy (req) 187#define EIO_DESTROY(req) req_destroy (req)
149 188
189#include "libeio/eio.c"
190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#if !HAVE_POSIX_MADVISE
196# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
197#endif
198
199#ifndef MAP_ANONYMOUS
200# ifdef MAP_ANON
201# define MAP_ANONYMOUS MAP_ANON
202# else
203# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
204# endif
205#endif
206
207#ifndef makedev
208# define makedev(maj,min) (((maj) << 8) | (min))
209#endif
210#ifndef major
211# define major(dev) ((dev) >> 8)
212#endif
213#ifndef minor
214# define minor(dev) ((dev) & 0xff)
215#endif
216
217/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
218#ifdef __sun
219# undef PAGESIZE
220#endif
221
222#if PAGESIZE <= 0
223# define PAGESIZE sysconf (_SC_PAGESIZE)
224#endif
225
226/*****************************************************************************/
227
228#if !_POSIX_MAPPED_FILES
229# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
230# define munmap(addr,length) EIO_ENOSYS ()
231#endif
232
233#if !_POSIX_MEMORY_PROTECTION
234# define mprotect(addr,len,prot) EIO_ENOSYS ()
235#endif
236
237#if !MREMAP_MAYMOVE
238# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
239#endif
240
241#define FOREIGN_MAGIC PERL_MAGIC_ext
242
243static int ecb_cold
244mmap_free (pTHX_ SV *sv, MAGIC *mg)
245{
246 int old_errno = errno;
247 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
248 errno = old_errno;
249
250 mg->mg_obj = 0; /* just in case */
251
252 SvREADONLY_off (sv);
253
254 if (SvPVX (sv) != mg->mg_ptr)
255 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
256
257 SvCUR_set (sv, 0);
258 SvPVX (sv) = 0;
259 SvOK_off (sv);
260
261 return 0;
262}
263
264static MGVTBL mmap_vtbl = {
265 0, 0, 0, 0, mmap_free
266};
267
268static int ecb_cold
269sysfree_free (pTHX_ SV *sv, MAGIC *mg)
270{
271 free (mg->mg_ptr);
272 mg->mg_obj = 0; /* just in case */
273
274 SvREADONLY_off (sv);
275
276 if (SvPVX (sv) != mg->mg_ptr)
277 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
278
279 SvCUR_set (sv, 0);
280 SvPVX (sv) = 0;
281 SvOK_off (sv);
282
283 return 0;
284}
285
286static MGVTBL sysfree_vtbl = {
287 0, 0, 0, 0, sysfree_free
288};
289
290/*****************************************************************************/
291
292/* helper: set scalar to foreign ptr with custom free */
293static void
294sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
295{
296 sv_force_normal (sv);
297
298 /* we store the length in mg_obj, as namlen is I32 :/ */
299 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
300 ->mg_obj = (SV *)length;
301
302 SvUPGRADE (sv, SVt_PV); /* nop... */
303
304 if (SvLEN (sv))
305 Safefree (SvPVX (sv));
306
307 SvPVX (sv) = (char *)addr;
308 SvCUR_set (sv, length);
309 SvLEN_set (sv, 0);
310 SvPOK_only (sv);
311}
312
313static void
314sv_clear_foreign (SV *sv)
315{
316 /* todo: iterate over magic and only free ours, but of course */
317 /* the perl5porters will call that (correct) behaviour buggy */
318 sv_unmagic (sv, FOREIGN_MAGIC);
319}
320
321/*****************************************************************************/
322
323/* defines all sorts of constants to 0 unless they are already defined */
324/* also provides const_iv_ and const_niv_ macros for them */
325#include "def0.h"
326
327/*****************************************************************************/
328
329static void
330fiemap (eio_req *req)
331{
332 req->result = -1;
333
334#if HAVE_FIEMAP
335 /* assume some c99 */
336 struct fiemap *fiemap = 0;
337 size_t end_offset;
338 int count = req->int3;
339
340 req->flags |= EIO_FLAG_PTR1_FREE;
341
342 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
343 /* increase in 3.5kb steps */
344 if (count < 0)
345 count = 8;
346
347 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
348 errno = ENOMEM;
349 if (!fiemap)
350 return;
351
352 req->ptr1 = fiemap;
353
354 fiemap->fm_start = req->offs;
355 fiemap->fm_length = req->size;
356 fiemap->fm_flags = req->int2;
357 fiemap->fm_extent_count = count;
358
359 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
360 return;
361
362 if (req->int3 >= 0 /* not autosizing */
363 || !fiemap->fm_mapped_extents /* no more extents */
364 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
365 goto done;
366
367 /* else we have to loop -
368 * it would be tempting (actually I tried that first) to just query the
369 * number of extents needed, but linux often feels like not returning all
370 * extents, without telling us it left any out. this complicates
371 * this quite a bit.
372 */
373
374 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
375
376 for (;;)
377 {
378 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
379 char scratch[3072];
380 struct fiemap *incmap = (struct fiemap *)scratch;
381
382 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
383 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
384 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
385 incmap->fm_flags = fiemap->fm_flags;
386 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
387
388 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
389 return;
390
391 if (!incmap->fm_mapped_extents)
392 goto done;
393
394 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
395 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
396 errno = ENOMEM;
397 if (!fiemap)
398 return;
399
400 req->ptr1 = fiemap;
401
402 for (count = 0; count < incmap->fm_mapped_extents; ++count)
403 {
404 struct fiemap_extent *e = incmap->fm_extents + count;
405
406 if (e->fe_logical + e->fe_length >= end_offset)
407 goto done;
408
409 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
410
411 if (e->fe_flags & FIEMAP_EXTENT_LAST)
412 goto done;
413
414 }
415 }
416
417done:
418 req->result = 0;
419
420#else
421 errno = ENOSYS;
422#endif
423}
424
425/*****************************************************************************/
426
427static int close_fd; /* dummy fd to close fds via dup2 */
428
150enum { 429enum {
151 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
152}; 431};
153 432
154#include "libeio/eio.c"
155
156typedef eio_req *aio_req; 433typedef eio_req *aio_req;
157typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
158 436
159static SV *on_next_submit; 437static SV *on_next_submit;
160static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
161static int max_outstanding; 439static int max_outstanding;
162 440
163static s_epipe respipe; 441static s_epipe respipe;
164 442
165static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
166static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
167 445
168static void want_poll (void) 446static void
447want_poll (void)
169{ 448{
170 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
171 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
172} 451}
173 452
174static void done_poll (void) 453static void
454done_poll (void)
175{ 455{
176 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
177 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
178} 458}
179 459
180/* must be called at most once */ 460/* must be called at most once */
461static SV *
181static SV *req_sv (aio_req req, HV *stash) 462req_sv (aio_req req, HV *stash)
182{ 463{
183 if (!req->self) 464 if (!req->self)
184 { 465 {
185 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
186 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
187 } 468 }
188 469
189 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
190} 471}
191 472
192static aio_req SvAIO_REQ (SV *sv) 473static SV *
474newSVaio_wd (aio_wd wd)
475{
476 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
477}
478
479static aio_req
480SvAIO_REQ (SV *sv)
193{ 481{
194 MAGIC *mg; 482 MAGIC *mg;
195 483
196 if (!SvROK (sv) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
197 || (SvSTASH (SvRV (sv)) != aio_grp_stash 486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
198 && SvSTASH (SvRV (sv)) != aio_req_stash 487 && SvSTASH (SvRV (sv)) != aio_req_stash
199 && !sv_derived_from (sv, "IO::AIO::REQ"))) 488 && !sv_derived_from (sv, "IO::AIO::REQ")))
200 croak ("object of class IO::AIO::REQ expected"); 489 croak ("object of class IO::AIO::REQ expected");
201 490
202 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
203 492
204 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
205} 494}
206 495
496static aio_wd
497SvAIO_WD (SV *sv)
498{
499 if (!SvROK (sv)
500 || SvTYPE (SvRV (sv)) != SVt_PVMG
501 || SvSTASH (SvRV (sv)) != aio_wd_stash)
502 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
503
504 return (aio_wd)(long)SvIVX (SvRV (sv));
505}
506
507static SV *
508newmortalFH (int fd, int flags)
509{
510 if (fd < 0)
511 return &PL_sv_undef;
512
513 GV *gv = (GV *)sv_newmortal ();
514 char sym[64];
515 int symlen;
516
517 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
518 gv_init (gv, aio_stash, sym, symlen, 0);
519
520 symlen = snprintf (
521 sym,
522 sizeof (sym),
523 "%s&=%d",
524 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
525 fd
526 );
527
528 return do_open (gv, sym, symlen, 0, 0, 0, 0)
529 ? (SV *)gv : &PL_sv_undef;
530}
531
532static void
207static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
208{ 534{
209 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
210 { 536 {
211 dSP; 537 dSP;
212 538
… …
220 FREETMPS; 546 FREETMPS;
221 LEAVE; 547 LEAVE;
222 } 548 }
223} 549}
224 550
551static void
225static void req_submit (eio_req *req) 552req_submit (eio_req *req)
226{ 553{
227 eio_submit (req); 554 eio_submit (req);
228 555
229 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
230 { 557 {
… …
237 PUTBACK; 564 PUTBACK;
238 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
239 } 566 }
240} 567}
241 568
569static int
242static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
243{ 571{
244 dSP;
245
246 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
247 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
248 574
249 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
250 { 576 {
577 dSP;
578 static SV *sv_result_cache; /* caches the result integer SV */
579 SV *sv_result;
580
251 ENTER; 581 ENTER;
252 SAVETMPS; 582 SAVETMPS;
253 PUSHMARK (SP); 583 PUSHMARK (SP);
254 EXTEND (SP, 1); 584 EXTEND (SP, 1);
255 585
586 /* do not recreate the result IV from scratch each time */
587 if (expect_true (sv_result_cache))
588 {
589 sv_result = sv_result_cache; sv_result_cache = 0;
590 SvIV_set (sv_result, req->result);
591 SvIOK_only (sv_result);
592 }
593 else
594 {
595 sv_result = newSViv (req->result);
596 SvREADONLY_on (sv_result);
597 }
598
256 switch (req->type) 599 switch (req->type)
257 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
258 case EIO_READDIR: 605 case EIO_READDIR:
259 { 606 {
260 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
261 608
262 if (req->result >= 0) 609 if (req->result >= 0)
… …
315 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
316 } 663 }
317 break; 664 break;
318 665
319 case EIO_OPEN: 666 case EIO_OPEN:
667 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
668 break;
669
670 case EIO_STATVFS:
671 case EIO_FSTATVFS:
320 { 672 {
321 /* convert fd to fh */
322 SV *fh = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
323 674
675#ifndef _WIN32
324 if (req->result >= 0) 676 if (req->result >= 0)
325 { 677 {
678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
326 GV *gv = (GV *)sv_newmortal (); 679 HV *hv = newHV ();
327 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
328 char sym [64]; 681 * chooses to make it a struct.
329 int symlen;
330 682 */
331 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 683 unsigned long fsid = 0;
332 gv_init (gv, aio_stash, sym, symlen, 0); 684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
333 685
334 symlen = snprintf ( 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
335 sym,
336 sizeof (sym),
337 "%s&=%d",
338 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
339 (int)req->result
340 );
341 687
342 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
343 fh = (SV *)gv; 689 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
690 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
691 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
692 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
693 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
694 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
695 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
696 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
697 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
698 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
344 } 699 }
700#endif
345 701
346 PUSHs (fh); 702 PUSHs (rv);
347 } 703 }
704
348 break; 705 break;
349 706
350 case EIO_GROUP: 707 case EIO_GROUP:
351 req->int1 = 2; /* mark group as finished */ 708 req->int1 = 2; /* mark group as finished */
352 709
… …
364 case EIO_NOP: 721 case EIO_NOP:
365 case EIO_BUSY: 722 case EIO_BUSY:
366 break; 723 break;
367 724
368 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
369 if (req->result > 0) 727 if (req->result > 0)
370 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
371 break; 729 break;
372 730
373 case EIO_STAT: 731 case EIO_STAT:
374 case EIO_LSTAT: 732 case EIO_LSTAT:
375 case EIO_FSTAT: 733 case EIO_FSTAT:
376 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
377 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
378 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
379 PUSHs (sv_2mortal (newSViv (req->result))); 739
740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
380 break; 745 break;
381 746
382 case EIO_READ: 747 case EIO_READ:
383 { 748 {
384 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 749 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
385 *SvEND (req->sv2) = 0; 750 *SvEND (req->sv2) = 0;
386 SvPOK_only (req->sv2); 751 SvPOK_only (req->sv2);
387 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
388 PUSHs (sv_2mortal (newSViv (req->result))); 753 PUSHs (sv_result);
389 } 754 }
390 break; 755 break;
391 756
392 case EIO_DUP2: 757 case EIO_SLURP:
758 {
759 if (req->result >= 0)
760 {
761 /* if length was originally not known, we steal the malloc'ed memory */
762 if (req->flags & EIO_FLAG_PTR2_FREE)
763 {
764 req->flags &= ~EIO_FLAG_PTR2_FREE;
765 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
766 }
767 else
768 {
769 SvCUR_set (req->sv2, req->result);
770 *SvEND (req->sv2) = 0;
771 SvPOK_only (req->sv2);
772 }
773
774 SvSETMAGIC (req->sv2);
775 }
776
777 PUSHs (sv_result);
778 }
779 break;
780
781 case EIO_CUSTOM:
782 if (req->feed == fiemap)
783 {
784#if HAVE_FIEMAP
785 if (!req->result)
786 {
787 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
788
789 if (fiemap->fm_extent_count)
790 {
791 AV *av = newAV ();
792 int i;
793
794 while (fiemap->fm_mapped_extents)
795 {
796 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
797 AV *ext_av = newAV ();
798
799 av_store (ext_av, 3, newSVuv (extent->fe_flags));
800 av_store (ext_av, 2, newSVval64 (extent->fe_length));
801 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
802 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
803
804 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
805 }
806
807 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
808 }
809 else
810 {
811 SvIV_set (sv_result, fiemap->fm_mapped_extents);
812 PUSHs (sv_result);
813 }
814 }
815#endif
816 }
817 else
818 PUSHs (sv_result);
819 break;
820
821 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
393 if (req->result > 0) 822 if (req->result > 0)
394 req->result = 0; 823 SvIV_set (sv_result, 0);
395 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
396 825
397 default: 826 default:
398 PUSHs (sv_2mortal (newSViv (req->result))); 827 PUSHs (sv_result);
399 break; 828 break;
400 } 829 }
401 830
402 errno = req->errorno; 831 errno = req->errorno;
403 832
404 PUTBACK; 833 PUTBACK;
405 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 834 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
406 SPAGAIN; 835 SPAGAIN;
407 836
837 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
838 SvREFCNT_dec (sv_result);
839 else
840 sv_result_cache = sv_result;
841
408 FREETMPS; 842 FREETMPS;
409 LEAVE; 843 LEAVE;
410 844
411 PUTBACK; 845 PUTBACK;
412 } 846 }
413 847
414 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
415} 849}
416 850
851static void
417static void req_destroy (aio_req req) 852req_destroy (aio_req req)
418{ 853{
419 if (req->self) 854 if (req->self)
420 { 855 {
421 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
422 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
423 } 858 }
424 859
425 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
426 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
427 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
428 865
429 Safefree (req); 866 free (req);
430} 867}
431 868
869static void
432static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
433{ 871{
434 aio_req sub;
435
436 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
437 return; 873 return;
438 874
439 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
440 grp->sv2 = 0; 876 grp->sv2 = 0;
441 877
442 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
443} 879}
444 880
445static void 881static void ecb_cold
446create_respipe (void) 882create_respipe (void)
447{ 883{
448 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
449 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
450} 886}
451 887
452static void poll_wait (void) 888static void
889poll_wait (void)
453{ 890{
454 while (eio_nreqs ()) 891 while (eio_nreqs ())
455 { 892 {
456 int size; 893 int size;
457 894
458 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
459 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
460 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
461 898
462 if (size) 899 if (size)
463 return; 900 return;
464 901
465 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
466 903
467 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
468 } 905 }
469} 906}
470 907
471static int poll_cb (void) 908static int
909poll_cb (void)
472{ 910{
473 for (;;) 911 for (;;)
474 { 912 {
475 int res = eio_poll (); 913 int res = eio_poll ();
476 914
… …
482 920
483 poll_wait (); 921 poll_wait ();
484 } 922 }
485} 923}
486 924
487static void atfork_child (void) 925static void ecb_cold
926reinit (void)
488{ 927{
489 create_respipe (); 928 create_respipe ();
929
930 if (eio_init (want_poll, done_poll) < 0)
931 croak ("IO::AIO: unable to initialise eio library");
490} 932}
933
934/*****************************************************************************/
491 935
492static SV * 936static SV *
493get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
494{ 938{
495 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
496 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
497} 941}
498 942
943static aio_req ecb_noinline
944dreq (SV *callback)
945{
946 SV *cb_cv;
947 aio_req req;
948 int req_pri = next_pri;
949 next_pri = EIO_PRI_DEFAULT;
950
951 cb_cv = get_cb (callback);
952
953 req = calloc (sizeof (*req), 1);
954 if (!req)
955 croak ("out of memory during eio_req allocation");
956
957 req->callback = SvREFCNT_inc (cb_cv);
958 req->pri = req_pri;
959
960 return req;
961}
962
499#define dREQ \ 963#define dREQ \
500 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
501 aio_req req; \
502 int req_pri = next_pri; \
503 next_pri = EIO_PRI_DEFAULT; \
504 \
505 cb_cv = get_cb (callback); \
506 \
507 Newz (0, req, 1, eio_req); \
508 if (!req) \
509 croak ("out of memory during eio_req allocation"); \
510 \
511 req->callback = SvREFCNT_inc (cb_cv); \
512 req->pri = req_pri
513 965
514#define REQ_SEND \ 966#define REQ_SEND \
515 PUTBACK; \ 967 PUTBACK; \
516 req_submit (req); \ 968 req_submit (req); \
517 SPAGAIN; \ 969 SPAGAIN; \
518 \ 970 \
519 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
520 XPUSHs (req_sv (req, aio_req_stash)); 972 XPUSHs (req_sv (req, aio_req_stash));
521 973
974ecb_inline void
975req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
976{
977 if (expect_false (SvROK (path)))
978 {
979 SV *rv = SvRV (path);
980 SV *wdob;
981
982 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
983 {
984 path = AvARRAY (rv)[1];
985 wdob = AvARRAY (rv)[0];
986
987 if (SvOK (wdob))
988 {
989 *wd = SvAIO_WD (wdob);
990 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
991 }
992 else
993 *wd = EIO_INVALID_WD;
994 }
995 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
996 {
997 *wd = (aio_wd)(long)SvIVX (rv);
998 *wdsv = SvREFCNT_inc_NN (rv);
999 *ptr = ".";
1000 return; /* path set to "." */
1001 }
1002 else
1003 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1004 }
1005
1006 *pathsv = newSVsv (path);
1007 *ptr = SvPVbyte_nolen (*pathsv);
1008}
1009
1010static void ecb_noinline
1011req_set_path1 (aio_req req, SV *path)
1012{
1013 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1014}
1015
1016static void ecb_noinline
1017req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1018{
1019 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1020
1021 switch (SvTYPE (rv))
1022 {
1023 case SVt_PVIO:
1024 case SVt_PVLV:
1025 case SVt_PVGV:
1026 req->type = type_fh;
1027 req->sv1 = newSVsv (fh_or_path);
1028 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1029 break;
1030
1031 default:
1032 req->type = type_path;
1033 req_set_path1 (req, fh_or_path);
1034 break;
1035 }
1036}
1037
1038/*****************************************************************************/
1039
1040static void
1041ts_set (struct timespec *ts, NV value)
1042{
1043 ts->tv_sec = value;
1044 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1045}
1046
1047static NV
1048ts_get (const struct timespec *ts)
1049{
1050 return ts->tv_sec + ts->tv_nsec * 1e-9;
1051}
1052
1053/*****************************************************************************/
1054
1055XS(boot_IO__AIO) ecb_cold;
1056
522MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
523 1058
524PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
525 1060
526BOOT: 1061BOOT:
527{ 1062{
528 static const struct { 1063 static const struct {
529 const char *name; 1064 const char *name;
530 IV iv; 1065 IV iv;
531 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
532# define const_iv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
1068# define const_iv(name) { # name, (IV) name },
533# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
534 const_iv (EXDEV , EXDEV) 1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
535 const_iv (ENOSYS , ENOSYS) 1073 const_iv (ENOSYS)
536 const_iv (O_RDONLY, O_RDONLY) 1074 const_iv (EXDEV)
537 const_iv (O_WRONLY, O_WRONLY) 1075 const_iv (EBADR)
538 const_iv (O_CREAT , O_CREAT) 1076
539 const_iv (O_TRUNC , O_TRUNC) 1077 /* for lseek */
540#ifndef _WIN32 1078 const_iv (SEEK_DATA)
541 const_iv (S_IFIFO , S_IFIFO) 1079 const_iv (SEEK_HOLE)
542#endif 1080
543 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
544 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
545 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
546 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
547 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
548 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1086 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1087
1088 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1089 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1090 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1091 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1092 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1093
1094 /* the second block will be 0 when missing */
1095 const_iv (O_ACCMODE)
1096
1097 const_iv (O_RDONLY)
1098 const_iv (O_WRONLY)
1099 const_iv (O_RDWR)
1100 const_iv (O_CREAT)
1101 const_iv (O_TRUNC)
1102 const_iv (O_EXCL)
1103 const_iv (O_APPEND)
1104
1105 const_iv (O_ASYNC)
1106 const_iv (O_DIRECT)
1107 const_iv (O_NOATIME)
1108
1109 const_iv (O_CLOEXEC)
1110 const_iv (O_NOCTTY)
1111 const_iv (O_NOFOLLOW)
1112 const_iv (O_NONBLOCK)
1113 const_iv (O_EXEC)
1114 const_iv (O_SEARCH)
1115 const_iv (O_DIRECTORY)
1116 const_iv (O_DSYNC)
1117 const_iv (O_RSYNC)
1118 const_iv (O_SYNC)
1119 const_iv (O_PATH)
1120 const_iv (O_TMPFILE)
1121 const_iv (O_TTY_INIT)
1122
1123 const_iv (S_IFIFO)
1124 const_iv (S_IFCHR)
1125 const_iv (S_IFBLK)
1126 const_iv (S_IFLNK)
1127 const_iv (S_IFREG)
1128 const_iv (S_IFDIR)
1129 const_iv (S_IFWHT)
1130 const_iv (S_IFSOCK)
1131 const_iv (S_IFMT)
1132
1133 const_iv (ST_RDONLY)
1134 const_iv (ST_NOSUID)
1135 const_iv (ST_NODEV)
1136 const_iv (ST_NOEXEC)
1137 const_iv (ST_SYNCHRONOUS)
1138 const_iv (ST_MANDLOCK)
1139 const_iv (ST_WRITE)
1140 const_iv (ST_APPEND)
1141 const_iv (ST_IMMUTABLE)
1142 const_iv (ST_NOATIME)
1143 const_iv (ST_NODIRATIME)
1144 const_iv (ST_RELATIME)
1145
1146 const_iv (PROT_NONE)
1147 const_iv (PROT_EXEC)
1148 const_iv (PROT_READ)
1149 const_iv (PROT_WRITE)
1150
1151 const_iv (MAP_PRIVATE)
1152 const_iv (MAP_SHARED)
1153 const_iv (MAP_FIXED)
1154 const_iv (MAP_ANONYMOUS)
1155
1156 /* linuxish */
1157 const_iv (MAP_LOCKED)
1158 const_iv (MAP_NORESERVE)
1159 const_iv (MAP_POPULATE)
1160 const_iv (MAP_NONBLOCK)
1161 const_iv (MAP_GROWSDOWN)
1162 const_iv (MAP_32BIT)
1163 const_iv (MAP_HUGETLB)
1164 const_iv (MAP_STACK)
1165
1166 const_iv (MREMAP_MAYMOVE)
1167 const_iv (MREMAP_FIXED)
1168
1169 const_iv (F_DUPFD_CLOEXEC)
1170
1171 const_iv (MSG_CMSG_CLOEXEC)
1172 const_iv (SOCK_CLOEXEC)
1173
1174 const_iv (F_OFD_GETLK)
1175 const_iv (F_OFD_SETLK)
1176 const_iv (F_OFD_GETLKW)
1177
1178 const_iv (FIFREEZE)
1179 const_iv (FITHAW)
1180 const_iv (FITRIM)
1181 const_iv (FICLONE)
1182 const_iv (FICLONERANGE)
1183 const_iv (FIDEDUPERANGE)
1184
1185 const_iv (FS_IOC_GETFLAGS)
1186 const_iv (FS_IOC_SETFLAGS)
1187 const_iv (FS_IOC_GETVERSION)
1188 const_iv (FS_IOC_SETVERSION)
1189 const_iv (FS_IOC_FIEMAP)
1190 const_iv (FS_IOC_FSGETXATTR)
1191 const_iv (FS_IOC_FSSETXATTR)
1192 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1193 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1194 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1195
1196 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1197
1198 const_iv (FS_SECRM_FL)
1199 const_iv (FS_UNRM_FL)
1200 const_iv (FS_COMPR_FL)
1201 const_iv (FS_SYNC_FL)
1202 const_iv (FS_IMMUTABLE_FL)
1203 const_iv (FS_APPEND_FL)
1204 const_iv (FS_NODUMP_FL)
1205 const_iv (FS_NOATIME_FL)
1206 const_iv (FS_DIRTY_FL)
1207 const_iv (FS_COMPRBLK_FL)
1208 const_iv (FS_NOCOMP_FL)
1209 const_iv (FS_ENCRYPT_FL)
1210 const_iv (FS_BTREE_FL)
1211 const_iv (FS_INDEX_FL)
1212 const_iv (FS_JOURNAL_DATA_FL)
1213 const_iv (FS_NOTAIL_FL)
1214 const_iv (FS_DIRSYNC_FL)
1215 const_iv (FS_TOPDIR_FL)
1216 const_iv (FS_FL_USER_MODIFIABLE)
1217
1218 const_iv (FS_XFLAG_REALTIME)
1219 const_iv (FS_XFLAG_PREALLOC)
1220 const_iv (FS_XFLAG_IMMUTABLE)
1221 const_iv (FS_XFLAG_APPEND)
1222 const_iv (FS_XFLAG_SYNC)
1223 const_iv (FS_XFLAG_NOATIME)
1224 const_iv (FS_XFLAG_NODUMP)
1225 const_iv (FS_XFLAG_RTINHERIT)
1226 const_iv (FS_XFLAG_PROJINHERIT)
1227 const_iv (FS_XFLAG_NOSYMLINKS)
1228 const_iv (FS_XFLAG_EXTSIZE)
1229 const_iv (FS_XFLAG_EXTSZINHERIT)
1230 const_iv (FS_XFLAG_NODEFRAG)
1231 const_iv (FS_XFLAG_FILESTREAM)
1232 const_iv (FS_XFLAG_DAX)
1233 const_iv (FS_XFLAG_HASATTR)
1234
1235 const_iv (FIEMAP_FLAG_SYNC)
1236 const_iv (FIEMAP_FLAG_XATTR)
1237 const_iv (FIEMAP_FLAGS_COMPAT)
1238 const_iv (FIEMAP_EXTENT_LAST)
1239 const_iv (FIEMAP_EXTENT_UNKNOWN)
1240 const_iv (FIEMAP_EXTENT_DELALLOC)
1241 const_iv (FIEMAP_EXTENT_ENCODED)
1242 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1243 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1244 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1245 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1246 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1247 const_iv (FIEMAP_EXTENT_MERGED)
1248 const_iv (FIEMAP_EXTENT_SHARED)
1249
1250 const_iv (SPLICE_F_MOVE)
1251 const_iv (SPLICE_F_NONBLOCK)
1252 const_iv (SPLICE_F_MORE)
1253 const_iv (SPLICE_F_GIFT)
1254
1255 const_iv (EFD_CLOEXEC)
1256 const_iv (EFD_NONBLOCK)
1257 const_iv (EFD_SEMAPHORE)
1258
1259 const_iv (CLOCK_REALTIME)
1260 const_iv (CLOCK_MONOTONIC)
1261 const_iv (CLOCK_BOOTTIME)
1262 const_iv (CLOCK_REALTIME_ALARM)
1263 const_iv (CLOCK_BOOTTIME_ALARM)
1264
1265 const_iv (TFD_NONBLOCK)
1266 const_iv (TFD_CLOEXEC)
1267
1268 const_iv (TFD_TIMER_ABSTIME)
1269 const_iv (TFD_TIMER_CANCEL_ON_SET)
1270
1271 /* these are libeio constants, and are independent of gendef0 */
1272 const_eio (SEEK_SET)
1273 const_eio (SEEK_CUR)
1274 const_eio (SEEK_END)
1275
1276 const_eio (MCL_FUTURE)
1277 const_eio (MCL_CURRENT)
1278 const_eio (MCL_ONFAULT)
1279
1280 const_eio (MS_ASYNC)
1281 const_eio (MS_INVALIDATE)
1282 const_eio (MS_SYNC)
1283
1284 const_eio (MT_MODIFY)
549 1285
550 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
551 const_eio (SYNC_FILE_RANGE_WRITE) 1287 const_eio (SYNC_FILE_RANGE_WRITE)
552 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1288 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1289
1290 const_eio (FALLOC_FL_KEEP_SIZE)
1291 const_eio (FALLOC_FL_PUNCH_HOLE)
1292 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1293 const_eio (FALLOC_FL_ZERO_RANGE)
1294 const_eio (FALLOC_FL_INSERT_RANGE)
1295 const_eio (FALLOC_FL_UNSHARE_RANGE)
1296
1297 const_eio (RENAME_NOREPLACE)
1298 const_eio (RENAME_EXCHANGE)
1299 const_eio (RENAME_WHITEOUT)
553 1300
554 const_eio (READDIR_DENTS) 1301 const_eio (READDIR_DENTS)
555 const_eio (READDIR_DIRS_FIRST) 1302 const_eio (READDIR_DIRS_FIRST)
556 const_eio (READDIR_STAT_ORDER) 1303 const_eio (READDIR_STAT_ORDER)
557 const_eio (READDIR_FOUND_UNKNOWN) 1304 const_eio (READDIR_FOUND_UNKNOWN)
… …
568 }; 1315 };
569 1316
570 aio_stash = gv_stashpv ("IO::AIO" , 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
571 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
572 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
573 1321
574 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
575 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
576 1324
577 create_respipe (); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
578 1326
579 if (eio_init (want_poll, done_poll) < 0) 1327 /* allocate dummy pipe fd for aio_close */
580 croak ("IO::AIO: unable to initialise eio library"); 1328 {
1329 int pipefd [2];
581 1330
582 /* atfork child called in fifo order, so before eio's handler */ 1331 if (
583 X_THREAD_ATFORK (0, 0, atfork_child); 1332#ifdef _WIN32
584} 1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
585 1341
1342 close_fd = pipefd [0];
1343 }
1344
1345 reinit ();
1346}
1347
586void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
587max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
588 PROTOTYPE: $ 1354 PROTOTYPE: $
589 CODE: 1355 CODE:
590 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
591 1357
592void 1358void
… …
594 PROTOTYPE: $ 1360 PROTOTYPE: $
595 CODE: 1361 CODE:
596 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
597 1363
598void 1364void
599min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
600 PROTOTYPE: $ 1366 PROTOTYPE: $
601 CODE: 1367 CODE:
602 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
603 1369
604void 1370void
605max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
606 PROTOTYPE: $ 1372 PROTOTYPE: $
607 CODE: 1373 CODE:
608 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
609 1375
610void 1376void
611max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
612 PROTOTYPE: $ 1378 PROTOTYPE: $
613 CODE: 1379 CODE:
614 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
615 1381
616void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
617max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
618 PROTOTYPE: $ 1390 PROTOTYPE: $
619 CODE: 1391 CODE:
620 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
621 1393
622void 1394void
623aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
624 PROTOTYPE: $$$;$
625 PPCODE: 1396 PPCODE:
626{ 1397{
627 dREQ; 1398 dREQ;
628 1399
1400 req->type = EIO_WD_OPEN;
1401 req_set_path1 (req, pathname);
1402
1403 REQ_SEND;
1404}
1405
1406void
1407aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1408 PPCODE:
1409{
1410 dREQ;
1411
629 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
630 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
631 req->ptr1 = SvPVbyte_nolen (req->sv1);
632 req->int1 = flags; 1414 req->int1 = flags;
633 req->int2 = mode; 1415 req->int2 = mode;
634 1416
635 REQ_SEND; 1417 REQ_SEND;
636} 1418}
637 1419
638void 1420void
639aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
640 PROTOTYPE: $;$
641 ALIAS: 1422 ALIAS:
642 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
643 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
644 PPCODE: 1426 PPCODE:
645{ 1427{
646 int fd = s_fileno_croak (fh, 0); 1428 int fd = s_fileno_croak (fh, 0);
647 dREQ; 1429 dREQ;
648 1430
649 req->type = ix; 1431 req->type = ix;
650 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
651 req->int1 = fd; 1433 req->int1 = fd;
652 1434
653 REQ_SEND (req); 1435 REQ_SEND;
654} 1436}
655 1437
656void 1438void
657aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
658 PROTOTYPE: $$$$;$
659 PPCODE: 1440 PPCODE:
660{ 1441{
661 int fd = s_fileno_croak (fh, 0); 1442 int fd = s_fileno_croak (fh, 0);
662 dREQ; 1443 dREQ;
663 1444
664 req->type = EIO_SYNC_FILE_RANGE; 1445 req->type = EIO_SYNC_FILE_RANGE;
665 req->sv1 = newSVsv (fh); 1446 req->sv1 = newSVsv (fh);
666 req->int1 = fd; 1447 req->int1 = fd;
667 req->offs = offset; 1448 req->offs = offset;
668 req->size = nbytes; 1449 req->size = nbytes;
669 req->int2 = flags; 1450 req->int2 = flags;
670 1451
671 REQ_SEND (req); 1452 REQ_SEND;
672} 1453}
673 1454
674void 1455void
675aio_close (SV *fh, SV *callback=&PL_sv_undef) 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
676 PROTOTYPE: $;$
677 PPCODE: 1457 PPCODE:
678{ 1458{
679 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
680 int fd = s_fileno_croak (fh, 0); 1459 int fd = s_fileno_croak (fh, 0);
681 dREQ; 1460 dREQ;
682 1461
683 if (close_pipe < 0) 1462 req->type = EIO_FALLOCATE;
684 { 1463 req->sv1 = newSVsv (fh);
685 int pipefd [2]; 1464 req->int1 = fd;
1465 req->int2 = mode;
1466 req->offs = offset;
1467 req->size = len;
686 1468
687 if (pipe (pipefd) < 0 1469 REQ_SEND;
688 || close (pipefd [1]) < 0 1470}
689 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
690 abort (); /*D*/
691 1471
692 close_pipe = pipefd [0]; 1472void
693 } 1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE:
1475{
1476 int fd = s_fileno_croak (fh, 0);
1477 dREQ;
694 1478
695 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
696 req->int1 = close_pipe; 1480 req->int1 = close_fd;
697 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
698 req->int2 = fd; 1482 req->int2 = fd;
699 1483
700 REQ_SEND (req); 1484 REQ_SEND;
701} 1485}
702 1486
703void 1487void
1488aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1489 PPCODE:
1490{
1491 int fd = s_fileno_croak (fh, 0);
1492 dREQ;
1493
1494 req->type = EIO_SEEK;
1495 req->sv1 = newSVsv (fh);
1496 req->int1 = fd;
1497 req->offs = SvVAL64 (offset);
1498 req->int2 = whence;
1499
1500 REQ_SEND;
1501}
1502
1503void
704aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1504aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
705 ALIAS: 1505 ALIAS:
706 aio_read = EIO_READ 1506 aio_read = EIO_READ
707 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
708 PROTOTYPE: $$$$$;$
709 PPCODE: 1508 PPCODE:
710{ 1509{
711 STRLEN svlen; 1510 STRLEN svlen;
712 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1511 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
713 char *svptr = SvPVbyte (data, svlen); 1512 char *svptr = SvPVbyte (data, svlen);
… …
726 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
727 } 1526 }
728 else 1527 else
729 { 1528 {
730 /* read: check type and grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
731 SvUPGRADE (data, SVt_PV); 1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
732 svptr = SvGROW (data, len + dataoffset + 1); 1531 svptr = sv_grow (data, len + dataoffset + 1);
1532 else if (SvCUR (data) < len + dataoffset)
1533 croak ("length + dataoffset outside of scalar, and cannot grow");
733 } 1534 }
734 1535
735 { 1536 {
736 dREQ; 1537 dREQ;
737 1538
… …
753 REQ_SEND; 1554 REQ_SEND;
754 } 1555 }
755} 1556}
756 1557
757void 1558void
758aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
759 PROTOTYPE: $$;$ 1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
760 PPCODE: 1563 PPCODE:
761{ 1564{
762 SV *data; 1565 int fd = s_fileno_croak (fh, 0);
1566 char *svptr;
1567
1568 if (SvPOK (arg) || !SvNIOK (arg))
1569 {
1570 STRLEN svlen;
1571 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1572#ifdef IOCPARM_LEN
1573 STRLEN need = IOCPARM_LEN (request);
1574#else
1575 STRLEN need = 256;
1576#endif
1577
1578 if (svlen < need)
1579 svptr = SvGROW (arg, need);
1580 }
1581 else
1582 svptr = (char *)SvIV (arg);
1583
1584 {
1585 dREQ;
1586
1587 req->type = ix;
1588 req->sv1 = newSVsv (fh);
1589 req->int1 = fd;
1590 req->int2 = (long)request;
1591 req->sv2 = SvREFCNT_inc (arg);
1592 req->ptr2 = svptr;
1593
1594 REQ_SEND;
1595 }
1596}
1597
1598void
1599aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1600 ALIAS:
1601 aio_readlink = EIO_READLINK
1602 aio_realpath = EIO_REALPATH
1603 PPCODE:
1604{
763 dREQ; 1605 dREQ;
764 1606
765 req->type = EIO_READLINK; 1607 req->type = ix;
766 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
767 req->ptr1 = SvPVbyte_nolen (req->sv1);
768 1609
769 REQ_SEND; 1610 REQ_SEND;
770} 1611}
771 1612
772void 1613void
773aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1614aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
774 PROTOTYPE: $$$$;$
775 PPCODE: 1615 PPCODE:
776{ 1616{
777 int ifd = s_fileno_croak (in_fh , 0); 1617 int ifd = s_fileno_croak (in_fh , 0);
778 int ofd = s_fileno_croak (out_fh, 1); 1618 int ofd = s_fileno_croak (out_fh, 1);
779 dREQ; 1619 dREQ;
780 1620
781 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
782 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
783 req->int1 = ofd; 1623 req->int1 = ofd;
… …
788 1628
789 REQ_SEND; 1629 REQ_SEND;
790} 1630}
791 1631
792void 1632void
793aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1634 PPCODE:
796{ 1635{
797 int fd = s_fileno_croak (fh, 0); 1636 int fd = s_fileno_croak (fh, 0);
798 dREQ; 1637 dREQ;
799 1638
800 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
801 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
802 req->int1 = fd; 1641 req->int1 = fd;
… …
805 1644
806 REQ_SEND; 1645 REQ_SEND;
807} 1646}
808 1647
809void 1648void
810aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
811 ALIAS: 1650 ALIAS:
812 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
813 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1653 aio_statvfs = EIO_STATVFS
814 PPCODE: 1654 PPCODE:
815{ 1655{
816 dREQ; 1656 dREQ;
817 1657
818 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
819
820 if (SvPOK (req->sv1))
821 {
822 req->type = ix;
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 }
825 else
826 {
827 req->type = EIO_FSTAT;
828 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
829 }
830 1659
831 REQ_SEND; 1660 REQ_SEND;
832} 1661}
833 1662
834void 1663void
1664st_xtime ()
1665 ALIAS:
1666 st_atime = 0x01
1667 st_mtime = 0x02
1668 st_ctime = 0x04
1669 st_btime = 0x08
1670 st_xtime = 0x0f
1671 PPCODE:
1672 EXTEND (SP, 4);
1673 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1674 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1675 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1676 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1677
1678void
1679st_xtimensec ()
1680 ALIAS:
1681 st_atimensec = 0x01
1682 st_mtimensec = 0x02
1683 st_ctimensec = 0x04
1684 st_btimensec = 0x08
1685 st_xtimensec = 0x0f
1686 st_btimesec = 0x10
1687 st_gen = 0x20
1688 PPCODE:
1689 EXTEND (SP, 4);
1690 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1691 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1692 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1693 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1694 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1695 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1696
1697UV
1698major (UV dev)
1699 ALIAS:
1700 minor = 1
1701 CODE:
1702 RETVAL = ix ? minor (dev) : major (dev);
1703 OUTPUT:
1704 RETVAL
1705
1706UV
1707makedev (UV maj, UV min)
1708 CODE:
1709 RETVAL = makedev (maj, min);
1710 OUTPUT:
1711 RETVAL
1712
1713void
835aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1714aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
836 PPCODE: 1715 PPCODE:
837{ 1716{
838 dREQ; 1717 dREQ;
839 1718
840 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
841 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
842 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
843
844 if (SvPOK (req->sv1))
845 {
846 req->type = EIO_UTIME;
847 req->ptr1 = SvPVbyte_nolen (req->sv1);
848 }
849 else
850 {
851 req->type = EIO_FUTIME;
852 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
853 }
854 1722
855 REQ_SEND; 1723 REQ_SEND;
856} 1724}
857 1725
858void 1726void
859aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1727aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
860 PPCODE: 1728 PPCODE:
861{ 1729{
862 dREQ; 1730 dREQ;
863 1731
864 req->sv1 = newSVsv (fh_or_path);
865 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
866 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
867 if (SvPOK (req->sv1))
868 {
869 req->type = EIO_TRUNCATE;
870 req->ptr1 = SvPVbyte_nolen (req->sv1);
871 }
872 else
873 {
874 req->type = EIO_FTRUNCATE;
875 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
876 }
877 1734
878 REQ_SEND; 1735 REQ_SEND;
879} 1736}
880 1737
881void 1738void
882aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1739aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
883 ALIAS:
884 aio_chmod = EIO_CHMOD
885 aio_mkdir = EIO_MKDIR
886 PPCODE: 1740 PPCODE:
887{ 1741{
888 dREQ; 1742 dREQ;
889 1743
890 req->int2 = mode; 1744 req->int2 = mode;
891 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
892
893 if (SvPOK (req->sv1))
894 {
895 req->type = ix;
896 req->ptr1 = SvPVbyte_nolen (req->sv1);
897 }
898 else
899 {
900 req->type = EIO_FCHMOD;
901 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
902 }
903 1746
904 REQ_SEND; 1747 REQ_SEND;
905} 1748}
906 1749
907void 1750void
908aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1751aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
909 PPCODE: 1752 PPCODE:
910{ 1753{
911 dREQ; 1754 dREQ;
912 1755
913 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
914 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
915 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
916
917 if (SvPOK (req->sv1))
918 {
919 req->type = EIO_CHOWN;
920 req->ptr1 = SvPVbyte_nolen (req->sv1);
921 }
922 else
923 {
924 req->type = EIO_FCHOWN;
925 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
926 }
927 1759
928 REQ_SEND; 1760 REQ_SEND;
929} 1761}
930 1762
931void 1763void
932aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
933 PPCODE: 1765 PPCODE:
934{ 1766{
935 dREQ; 1767 dREQ;
936 1768
937 req->type = EIO_READDIR; 1769 req->type = EIO_READDIR;
938 req->sv1 = newSVsv (pathname);
939 req->ptr1 = SvPVbyte_nolen (req->sv1);
940 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
941 1771
942 if (flags & EIO_READDIR_DENTS) 1772 if (flags & EIO_READDIR_DENTS)
943 req->int1 |= EIO_READDIR_CUSTOM2; 1773 req->int1 |= EIO_READDIR_CUSTOM2;
944 1774
1775 req_set_path1 (req, pathname);
1776
945 REQ_SEND; 1777 REQ_SEND;
946} 1778}
947 1779
948void 1780void
1781aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1782 PPCODE:
1783{
1784 dREQ;
1785
1786 req->type = EIO_MKDIR;
1787 req->int2 = mode;
1788 req_set_path1 (req, pathname);
1789
1790 REQ_SEND;
1791}
1792
1793void
949aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
950 ALIAS: 1795 ALIAS:
951 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
952 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
953 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
954 PPCODE: 1799 PPCODE:
955{ 1800{
956 dREQ; 1801 dREQ;
957 1802
958 req->type = ix; 1803 req->type = ix;
959 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
960 req->ptr1 = SvPVbyte_nolen (req->sv1);
961 1805
962 REQ_SEND; 1806 REQ_SEND;
963} 1807}
964 1808
965void 1809void
966aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
967 ALIAS: 1811 ALIAS:
968 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
969 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
970 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
971 PPCODE: 1815 PPCODE:
972{ 1816{
1817 eio_wd wd2 = 0;
973 dREQ; 1818 dREQ;
974 1819
975 req->type = ix; 1820 req->type = ix;
976 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
977 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
978 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
979 req->ptr2 = SvPVbyte_nolen (req->sv2);
980 1824
981 REQ_SEND; 1825 REQ_SEND;
982} 1826}
983 1827
984void 1828void
1829aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1830 PPCODE:
1831{
1832 eio_wd wd2 = 0;
1833 dREQ;
1834
1835 req->type = EIO_RENAME;
1836 req_set_path1 (req, oldpath);
1837 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1838 req->int2 = flags;
1839 req->int3 = (long)wd2;
1840
1841 REQ_SEND;
1842}
1843
1844void
985aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1845aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
986 PPCODE: 1846 PPCODE:
987{ 1847{
988 dREQ; 1848 dREQ;
989 1849
990 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
991 req->sv1 = newSVsv (pathname);
992 req->ptr1 = SvPVbyte_nolen (req->sv1);
993 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
994 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
995 1854
996 REQ_SEND; 1855 REQ_SEND;
997} 1856}
998 1857
999void 1858void
1859aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1860 ALIAS:
1861 aio_mtouch = EIO_MTOUCH
1862 aio_msync = EIO_MSYNC
1863 PPCODE:
1864{
1865 STRLEN svlen;
1866 char *svptr = SvPVbyte (data, svlen);
1867 UV len = SvUV (length);
1868
1869 if (flags < 0)
1870 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1871
1872 if (offset < 0)
1873 offset += svlen;
1874
1875 if (offset < 0 || offset > svlen)
1876 croak ("offset outside of scalar");
1877
1878 if (!SvOK (length) || len + offset > svlen)
1879 len = svlen - offset;
1880
1881 {
1882 dREQ;
1883
1884 req->type = ix;
1885 req->sv2 = SvREFCNT_inc (data);
1886 req->ptr2 = (char *)svptr + offset;
1887 req->size = len;
1888 req->int1 = flags;
1889
1890 REQ_SEND;
1891 }
1892}
1893
1894void
1895aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1896 PPCODE:
1897{
1898 STRLEN svlen;
1899 char *svptr = SvPVbyte (data, svlen);
1900 UV len = SvUV (length);
1901
1902 if (offset < 0)
1903 offset += svlen;
1904
1905 if (offset < 0 || offset > svlen)
1906 croak ("offset outside of scalar");
1907
1908 if (!SvOK (length) || len + offset > svlen)
1909 len = svlen - offset;
1910
1911 {
1912 dREQ;
1913
1914 req->type = EIO_MLOCK;
1915 req->sv2 = SvREFCNT_inc (data);
1916 req->ptr2 = (char *)svptr + offset;
1917 req->size = len;
1918
1919 REQ_SEND;
1920 }
1921}
1922
1923void
1924aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1925 PPCODE:
1926{
1927 dREQ;
1928
1929 req->type = EIO_MLOCKALL;
1930 req->int1 = flags;
1931
1932 REQ_SEND;
1933}
1934
1935void
1936aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1937 PPCODE:
1938{
1939 int fd = s_fileno_croak (fh, 0);
1940 dREQ;
1941
1942 req->type = EIO_CUSTOM;
1943 req->sv1 = newSVsv (fh);
1944 req->int1 = fd;
1945
1946 req->feed = fiemap;
1947#if HAVE_FIEMAP
1948 /* keep our fingers crossed that the next two types are 64 bit */
1949 req->offs = start;
1950 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1951 req->int2 = flags;
1952 req->int3 = SvOK (count) ? SvIV (count) : -1;
1953#endif
1954
1955 REQ_SEND;
1956}
1957
1958void
1959aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1960 PPCODE:
1961{
1962 char *svptr = 0;
1963
1964 sv_clear_foreign (data);
1965
1966 if (length) /* known length, directly read into scalar */
1967 {
1968 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1969 svptr = sv_grow (data, length + 1);
1970 else if (SvCUR (data) < length)
1971 croak ("length outside of scalar, and cannot grow");
1972 else
1973 svptr = SvPVbyte_nolen (data);
1974 }
1975
1976 {
1977 dREQ;
1978
1979 req->type = EIO_SLURP;
1980 req_set_path1 (req, pathname);
1981 req->offs = offset;
1982 req->size = length;
1983 req->sv2 = SvREFCNT_inc (data);
1984 req->ptr2 = svptr;
1985
1986 if (!SvREADONLY (data))
1987 {
1988 SvREADONLY_on (data);
1989 req->flags |= FLAG_SV2_RO_OFF;
1990 }
1991
1992 REQ_SEND;
1993 }
1994}
1995
1996void
1000aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
1001 PPCODE: 1998 PPCODE:
1002{ 1999{
1003 dREQ; 2000 dREQ;
1004 2001
1005 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
1007 2004
1008 REQ_SEND; 2005 REQ_SEND;
1009} 2006}
1010 2007
1011void 2008void
1012aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
1013 PROTOTYPE: ;$
1014 PPCODE: 2010 PPCODE:
1015{ 2011{
1016 dREQ; 2012 dREQ;
1017 2013
1018 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
1019 2015
2016 PUTBACK;
1020 req_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
1021 XPUSHs (req_sv (req, aio_grp_stash)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
1022} 2021}
1023 2022
1024void 2023void
1025aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
1026 ALIAS: 2025 ALIAS:
1027 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
1028 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
1029 PPCODE: 2028 PPCODE:
1030{ 2029{
… …
1034 2033
1035 REQ_SEND; 2034 REQ_SEND;
1036} 2035}
1037 2036
1038int 2037int
1039aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
1040 PROTOTYPE: ;$
1041 CODE: 2039 CODE:
1042 RETVAL = next_pri; 2040 RETVAL = next_pri;
1043 if (items > 0) 2041 if (items > 0)
1044 { 2042 {
1045 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1057 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2055 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1058 next_pri = nice; 2056 next_pri = nice;
1059 2057
1060void 2058void
1061flush () 2059flush ()
1062 PROTOTYPE:
1063 CODE: 2060 CODE:
1064 while (eio_nreqs ()) 2061 while (eio_nreqs ())
1065 { 2062 {
1066 poll_wait (); 2063 poll_wait ();
1067 poll_cb (); 2064 poll_cb ();
1068 } 2065 }
1069 2066
1070int 2067int
1071poll() 2068poll ()
1072 PROTOTYPE:
1073 CODE: 2069 CODE:
1074 poll_wait (); 2070 poll_wait ();
1075 RETVAL = poll_cb (); 2071 RETVAL = poll_cb ();
1076 OUTPUT: 2072 OUTPUT:
1077 RETVAL 2073 RETVAL
1078 2074
1079int 2075int
1080poll_fileno() 2076poll_fileno ()
1081 PROTOTYPE:
1082 CODE: 2077 CODE:
1083 RETVAL = s_epipe_fd (&respipe); 2078 RETVAL = s_epipe_fd (&respipe);
1084 OUTPUT: 2079 OUTPUT:
1085 RETVAL 2080 RETVAL
1086 2081
1087int 2082int
1088poll_cb(...) 2083poll_cb (...)
1089 PROTOTYPE: 2084 PROTOTYPE:
1090 CODE: 2085 CODE:
1091 RETVAL = poll_cb (); 2086 RETVAL = poll_cb ();
1092 OUTPUT: 2087 OUTPUT:
1093 RETVAL 2088 RETVAL
1094 2089
1095void 2090void
1096poll_wait() 2091poll_wait ()
1097 PROTOTYPE:
1098 CODE: 2092 CODE:
1099 poll_wait (); 2093 poll_wait ();
1100 2094
1101int 2095int
1102nreqs() 2096nreqs ()
1103 PROTOTYPE:
1104 CODE: 2097 CODE:
1105 RETVAL = eio_nreqs (); 2098 RETVAL = eio_nreqs ();
1106 OUTPUT: 2099 OUTPUT:
1107 RETVAL 2100 RETVAL
1108 2101
1109int 2102int
1110nready() 2103nready ()
1111 PROTOTYPE:
1112 CODE: 2104 CODE:
1113 RETVAL = eio_nready (); 2105 RETVAL = eio_nready ();
1114 OUTPUT: 2106 OUTPUT:
1115 RETVAL 2107 RETVAL
1116 2108
1117int 2109int
1118npending() 2110npending ()
1119 PROTOTYPE:
1120 CODE: 2111 CODE:
1121 RETVAL = eio_npending (); 2112 RETVAL = eio_npending ();
1122 OUTPUT: 2113 OUTPUT:
1123 RETVAL 2114 RETVAL
1124 2115
1125int 2116int
1126nthreads() 2117nthreads ()
1127 PROTOTYPE:
1128 CODE: 2118 CODE:
1129 RETVAL = eio_nthreads (); 2119 RETVAL = eio_nthreads ();
1130 OUTPUT: 2120 OUTPUT:
1131 RETVAL 2121 RETVAL
1132 2122
1133int 2123int
1134fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2124fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1135 PROTOTYPE: $$$$
1136 CODE: 2125 CODE:
1137#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1138 RETVAL = posix_fadvise (fh, offset, length, advice); 2126 RETVAL = posix_fadvise (fh, offset, length, advice);
1139#else
1140 RETVAL = errno = ENOSYS;
1141#endif
1142 OUTPUT: 2127 OUTPUT:
1143 RETVAL 2128 RETVAL
1144 2129
1145ssize_t 2130IV
1146sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1147 PROTOTYPE: $$$$
1148 CODE: 2132 CODE:
1149 eio_sendfile_sync (ofh, ifh, offset, count); 2133 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2134 OUTPUT:
2135 RETVAL
2136
2137void
2138mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2139 PPCODE:
2140 sv_clear_foreign (scalar);
2141{
2142 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2143 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2144 if (addr == (void *)-1)
2145 XSRETURN_NO;
2146
2147 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2148
2149 if (!(prot & PROT_WRITE))
2150 SvREADONLY_on (scalar);
2151
2152 XSRETURN_YES;
2153}
2154
2155void
2156munmap (SV *scalar)
2157 CODE:
2158 sv_clear_foreign (scalar);
2159
2160SV *
2161mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2162 CODE:
2163{
2164 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2165 void *new;
2166
2167 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2168 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2169
2170 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2171
2172 RETVAL = &PL_sv_no;
2173
2174 if (new != (void *)-1)
2175 {
2176 RETVAL = new == (void *)mg->mg_ptr
2177 ? newSVpvn ("0 but true", 10)
2178 : &PL_sv_yes;
2179
2180 mg->mg_ptr = (char *)new;
2181 mg->mg_obj = (SV *)new_length;
2182
2183 SvPVX (scalar) = mg->mg_ptr;
2184 SvCUR_set (scalar, new_length);
2185 }
2186}
2187 OUTPUT:
2188 RETVAL
2189
2190int
2191madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2192 ALIAS:
2193 mprotect = 1
2194 CODE:
2195{
2196 STRLEN svlen;
2197 void *addr = SvPVbyte (scalar, svlen);
2198 STRLEN len = SvUV (length);
2199
2200 if (offset < 0)
2201 offset += svlen;
2202
2203 if (offset < 0 || offset > svlen)
2204 croak ("offset outside of scalar");
2205
2206 if (!SvOK (length) || len + offset > svlen)
2207 len = svlen - offset;
2208
2209 addr = (void *)(((intptr_t)addr) + offset);
2210 eio_page_align (&addr, &len);
2211
2212 switch (ix)
2213 {
2214 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2215 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2223 CODE:
2224{
2225 STRLEN svlen;
2226 void *addr = SvPVbyte (scalar, svlen);
2227 size_t len = SvUV (length);
2228
2229 if (offset < 0)
2230 offset += svlen;
2231
2232 if (offset < 0 || offset > svlen)
2233 croak ("offset outside of scalar");
2234
2235 if (!SvOK (length) || len + offset > svlen)
2236 len = svlen - offset;
2237
2238 addr = (void *)(((intptr_t)addr) + offset);
2239 eio_page_align (&addr, &len);
2240#if _POSIX_MEMLOCK_RANGE
2241 RETVAL = munlock (addr, len);
2242#else
2243 RETVAL = EIO_ENOSYS ();
2244#endif
2245}
2246 OUTPUT:
2247 RETVAL
2248
2249int
2250mlockall (int flags)
2251 PROTOTYPE: $;
2252 CODE:
2253 RETVAL = eio_mlockall_sync (flags);
2254 OUTPUT:
2255 RETVAL
2256
2257int
2258munlockall ()
2259 CODE:
2260#if _POSIX_MEMLOCK
2261 munlockall ();
2262#else
2263 RETVAL = EIO_ENOSYS ();
2264#endif
2265 OUTPUT:
2266 RETVAL
2267
2268int
2269splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2270 CODE:
2271{
2272#if HAVE_LINUX_SPLICE
2273 loff_t off_in_, off_out_;
2274 RETVAL = splice (
2275 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2276 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2277 length, flags
2278 );
2279#else
2280 RETVAL = EIO_ENOSYS ();
2281#endif
2282}
2283 OUTPUT:
2284 RETVAL
2285
2286int
2287tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2288 CODE:
2289#if HAVE_LINUX_SPLICE
2290 RETVAL = tee (rfh, wfh, length, flags);
2291#else
2292 RETVAL = EIO_ENOSYS ();
2293#endif
2294 OUTPUT:
2295 RETVAL
2296
2297int
2298pipesize (aio_rfd rfh, int new_size = -1)
2299 PROTOTYPE: $;$
2300 CODE:
2301#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2302 if (new_size >= 0)
2303 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2304 else
2305 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2306#else
2307 errno = ENOSYS;
2308 RETVAL = -1;
2309#endif
2310 OUTPUT:
2311 RETVAL
2312
2313void
2314pipe2 (int flags = 0)
2315 PROTOTYPE: ;$
2316 PPCODE:
2317{
2318 int fd[2];
2319 int res;
2320
2321 if (flags)
2322#if HAVE_PIPE2
2323 res = pipe2 (fd, flags);
2324#else
2325 res = (errno = ENOSYS, -1);
2326#endif
2327 else
2328 res = pipe (fd);
2329
2330 if (!res)
2331 {
2332 EXTEND (SP, 2);
2333 PUSHs (newmortalFH (fd[0], O_RDONLY));
2334 PUSHs (newmortalFH (fd[1], O_WRONLY));
2335 }
2336}
2337
2338void
2339eventfd (unsigned int initval = 0, int flags = 0)
2340 PPCODE:
2341{
2342 int fd;
2343#if HAVE_EVENTFD
2344 fd = eventfd (initval, flags);
2345#else
2346 fd = (errno = ENOSYS, -1);
2347#endif
2348
2349 XPUSHs (newmortalFH (fd, O_RDWR));
2350}
2351
2352void
2353timerfd_create (int clockid, int flags = 0)
2354 PPCODE:
2355{
2356 int fd;
2357#if HAVE_TIMERFD
2358 fd = timerfd_create (clockid, flags);
2359#else
2360 fd = (errno = ENOSYS, -1);
2361#endif
2362
2363 XPUSHs (newmortalFH (fd, O_RDWR));
2364}
2365
2366void
2367timerfd_settime (SV *fh, int flags, NV interval, NV value)
2368 PPCODE:
2369{
2370 int fd = s_fileno_croak (fh, 0);
2371#if HAVE_TIMERFD
2372 int res;
2373 struct itimerspec its, ots;
2374
2375 ts_set (&its.it_interval, interval);
2376 ts_set (&its.it_value , value);
2377 res = timerfd_settime (fd, flags, &its, &ots);
2378
2379 if (!res)
2380 {
2381 EXTEND (SP, 2);
2382 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2383 PUSHs (newSVnv (ts_get (&ots.it_value)));
2384 }
2385#else
2386 errno = ENOSYS;
2387#endif
2388}
2389
2390void
2391timerfd_gettime (SV *fh)
2392 PPCODE:
2393{
2394 int fd = s_fileno_croak (fh, 0);
2395#if HAVE_TIMERFD
2396 int res;
2397 struct itimerspec ots;
2398 res = timerfd_gettime (fd, &ots);
2399
2400 if (!res)
2401 {
2402 EXTEND (SP, 2);
2403 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2404 PUSHs (newSVnv (ts_get (&ots.it_value)));
2405 }
2406#else
2407 errno = ENOSYS;
2408#endif
2409}
2410
2411UV
2412get_fdlimit ()
2413 CODE:
2414#if HAVE_RLIMITS
2415 struct rlimit rl;
2416 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2417 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2418#endif
2419 XSRETURN_UNDEF;
2420 OUTPUT:
2421 RETVAL
2422
2423void
2424min_fdlimit (UV limit = 0x7fffffffU)
2425 CODE:
2426{
2427#if HAVE_RLIMITS
2428 struct rlimit rl;
2429 rlim_t orig_rlim_max;
2430 UV bit;
2431
2432 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2433 goto fail;
2434
2435 if (rl.rlim_cur == RLIM_INFINITY)
2436 XSRETURN_YES;
2437
2438 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2439
2440 if (rl.rlim_cur < limit)
2441 {
2442 rl.rlim_cur = limit;
2443
2444 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2445 rl.rlim_max = rl.rlim_cur;
2446 }
2447
2448 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2449 XSRETURN_YES;
2450
2451 if (errno == EPERM)
2452 {
2453 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2454 /* our limit overflows a system-wide limit */
2455 /* try an adaptive algorithm, but do not lower the hardlimit */
2456 rl.rlim_max = 0;
2457 for (bit = 0x40000000U; bit; bit >>= 1)
2458 {
2459 rl.rlim_max |= bit;
2460 rl.rlim_cur = rl.rlim_max;
2461
2462 /* nevr decrease the hard limit */
2463 if (rl.rlim_max < orig_rlim_max)
2464 break;
2465
2466 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2467 rl.rlim_max &= ~bit; /* too high, remove bit again */
2468 }
2469
2470 /* now, raise the soft limit to the max permitted */
2471 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2472 {
2473 rl.rlim_cur = rl.rlim_max;
2474 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2475 errno = EPERM;
2476 }
2477 }
2478#endif
2479 fail:
2480 XSRETURN_UNDEF;
2481}
1150 2482
1151void _on_next_submit (SV *cb) 2483void _on_next_submit (SV *cb)
1152 CODE: 2484 CODE:
1153 SvREFCNT_dec (on_next_submit); 2485 SvREFCNT_dec (on_next_submit);
1154 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2486 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1155 2487
1156PROTOTYPES: DISABLE 2488PROTOTYPES: DISABLE
1157 2489
2490MODULE = IO::AIO PACKAGE = IO::AIO::WD
2491
2492BOOT:
2493{
2494 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2495 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2496}
2497
2498void
2499DESTROY (SV *self)
2500 CODE:
2501{
2502 aio_wd wd = SvAIO_WD (self);
2503#if HAVE_AT
2504 {
2505 SV *callback = &PL_sv_undef;
2506 dREQ; /* clobbers next_pri :/ */
2507 next_pri = req->pri; /* restore next_pri */
2508 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2509 req->type = EIO_WD_CLOSE;
2510 req->wd = wd;
2511 REQ_SEND;
2512 }
2513#else
2514 eio_wd_close_sync (wd);
2515#endif
2516}
2517
1158MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2518MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1159 2519
1160void 2520void
1161cancel (aio_req_ornot req) 2521cancel (aio_req_ornot req)
1162 CODE: 2522 CODE:
1163 eio_cancel (req); 2523 eio_cancel (req);
1164 2524
1165void 2525void
1166cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2526cb (aio_req_ornot req, SV *callback = NO_INIT)
1167 PPCODE: 2527 PPCODE:
1168{ 2528{
1169 if (GIMME_V != G_VOID) 2529 if (GIMME_V != G_VOID)
1170 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2530 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1171 2531
1172 if (items > 1) 2532 if (items > 1)
1173 { 2533 {
1174 SV *cb_cv =get_cb (callback); 2534 SV *cb_cv = get_cb (callback);
1175 2535
1176 SvREFCNT_dec (req->callback); 2536 SvREFCNT_dec (req->callback);
1177 req->callback = SvREFCNT_inc (cb_cv); 2537 req->callback = SvREFCNT_inc (cb_cv);
1178 } 2538 }
1179} 2539}
… …
1236limit (aio_req grp, int limit) 2596limit (aio_req grp, int limit)
1237 CODE: 2597 CODE:
1238 eio_grp_limit (grp, limit); 2598 eio_grp_limit (grp, limit);
1239 2599
1240void 2600void
1241feed (aio_req grp, SV *callback=&PL_sv_undef) 2601feed (aio_req grp, SV *callback = &PL_sv_undef)
1242 CODE: 2602 CODE:
1243{ 2603{
1244 SvREFCNT_dec (grp->sv2); 2604 SvREFCNT_dec (grp->sv2);
1245 grp->sv2 = newSVsv (callback); 2605 grp->sv2 = newSVsv (callback);
1246 grp->feed = aio_grp_feed; 2606 grp->feed = aio_grp_feed;

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