ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.152 by root, Tue Jul 14 00:32:27 2009 UTC vs.
Revision 1.273 by root, Mon Mar 4 10:28:38 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"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 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
20/* perl namespace pollution */ 38/* perl namespace pollution */
21#undef VERSION 39#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 40
72/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
74#undef readdir 43#undef readdir
75#undef opendir 44#undef opendir
76#undef closedir 45#undef closedir
77 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
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
81
82 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
79 84
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 85#else
86# define VAL64 NV 86
87# define SvVAL64 SvNV 87 #include <sys/time.h>
88# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
89#endif 95#endif
90 96
91/*****************************************************************************/ 97/*****************************************************************************/
92 98
93#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
101 107
102/*****************************************************************************/ 108/*****************************************************************************/
103 109
104static HV *stash; 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_ST_XTIMENSEC
123# define ATIMENSEC PL_statcache.st_atimensec
124# define MTIMENSEC PL_statcache.st_mtimensec
125# define CTIMENSEC PL_statcache.st_ctimensec
126#elif HAVE_ST_XTIMESPEC
127# define ATIMENSEC PL_statcache.st_atim.tv_nsec
128# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
129# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
130#else
131# define ATIMENSEC 0
132# define MTIMENSEC 0
133# define CTIMENSEC 0
134#endif
135
136#if HAVE_ST_BIRTHTIMENSEC
137# define BTIMESEC PL_statcache.st_birthtime
138# define BTIMENSEC PL_statcache.st_birthtimensec
139#elif HAVE_ST_BIRTHTIMESPEC
140# define BTIMESEC PL_statcache.st_birthtim.tv_sec
141# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
142#else
143# define BTIMESEC 0
144# define BTIMENSEC 0
145#endif
146
147#if HAVE_ST_GEN
148# define ST_GEN PL_statcache.st_gen
149#else
150# define ST_GEN 0
151#endif
152
153#include "schmorp.h"
154
155#if HAVE_EVENTFD
156# include <sys/eventfd.h>
157#endif
158
159#if HAVE_TIMERFD
160# include <sys/timerfd.h>
161#endif
162
163#if HAVE_RLIMITS
164 #include <sys/time.h>
165 #include <sys/resource.h>
166#endif
167
105typedef SV SV8; /* byte-sv, used for argument-checking */ 168typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 169typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 170typedef int aio_wfd; /* write file descriptor */
108 171
109#define AIO_REQ_KLASS "IO::AIO::REQ" 172static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 173
112#define EIO_REQ_MEMBERS \ 174#define EIO_REQ_MEMBERS \
113 SV *callback; \ 175 SV *callback; \
114 SV *sv1, *sv2; \ 176 SV *sv1, *sv2; \
177 SV *sv3, *sv4; \
115 STRLEN stroffset; \ 178 STRLEN stroffset; \
116 SV *self; 179 SV *self;
117 180
118#define EIO_NO_WRAPPERS 1 181#define EIO_NO_WRAPPERS 1
119 182
120#include "libeio/eio.h" 183#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
146 184
147static int req_invoke (eio_req *req); 185static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 186#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 187static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 188#define EIO_DESTROY(req) req_destroy (req)
151 189
190#include "libeio/eio.c"
191
192#if !HAVE_POSIX_FADVISE
193# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
194#endif
195
196#if !HAVE_POSIX_MADVISE
197# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
198#endif
199
200#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON
203# else
204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205# endif
206#endif
207
208#ifndef makedev
209# define makedev(maj,min) (((maj) << 8) | (min))
210#endif
211#ifndef major
212# define major(dev) ((dev) >> 8)
213#endif
214#ifndef minor
215# define minor(dev) ((dev) & 0xff)
216#endif
217
218/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
219#ifdef __sun
220# undef PAGESIZE
221#endif
222
223#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif
226
227/*****************************************************************************/
228
229#if !_POSIX_MAPPED_FILES
230# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
231# define munmap(addr,length) EIO_ENOSYS ()
232#endif
233
234#if !_POSIX_MEMORY_PROTECTION
235# define mprotect(addr,len,prot) EIO_ENOSYS ()
236#endif
237
238#if !MREMAP_MAYMOVE
239# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
240#endif
241
242#define FOREIGN_MAGIC PERL_MAGIC_ext
243
244static int ecb_cold
245mmap_free (pTHX_ SV *sv, MAGIC *mg)
246{
247 int old_errno = errno;
248 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
249 errno = old_errno;
250
251 mg->mg_obj = 0; /* just in case */
252
253 SvREADONLY_off (sv);
254
255 if (SvPVX (sv) != mg->mg_ptr)
256 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
257
258 SvCUR_set (sv, 0);
259 SvPVX (sv) = 0;
260 SvOK_off (sv);
261
262 return 0;
263}
264
265static MGVTBL mmap_vtbl = {
266 0, 0, 0, 0, mmap_free
267};
268
269static int ecb_cold
270sysfree_free (pTHX_ SV *sv, MAGIC *mg)
271{
272 free (mg->mg_ptr);
273 mg->mg_obj = 0; /* just in case */
274
275 SvREADONLY_off (sv);
276
277 if (SvPVX (sv) != mg->mg_ptr)
278 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
279
280 SvCUR_set (sv, 0);
281 SvPVX (sv) = 0;
282 SvOK_off (sv);
283
284 return 0;
285}
286
287static MGVTBL sysfree_vtbl = {
288 0, 0, 0, 0, sysfree_free
289};
290
291/*****************************************************************************/
292
293/* helper: set scalar to foreign ptr with custom free */
294static void
295sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
296{
297 sv_force_normal (sv);
298
299 /* we store the length in mg_obj, as namlen is I32 :/ */
300 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
301 ->mg_obj = (SV *)length;
302
303 SvUPGRADE (sv, SVt_PV); /* nop... */
304
305 if (SvLEN (sv))
306 Safefree (SvPVX (sv));
307
308 SvPVX (sv) = (char *)addr;
309 SvCUR_set (sv, length);
310 SvLEN_set (sv, 0);
311 SvPOK_only (sv);
312}
313
314static void
315sv_clear_foreign (SV *sv)
316{
317 /* todo: iterate over magic and only free ours, but of course */
318 /* the perl5porters will call that (correct) behaviour buggy */
319 sv_unmagic (sv, FOREIGN_MAGIC);
320}
321
322/*****************************************************************************/
323
324/* defines all sorts of constants to 0 unless they are already defined */
325/* also provides const_iv_ and const_niv_ macros for them */
326#include "def0.h"
327
328/*****************************************************************************/
329
330static void
331fiemap (eio_req *req)
332{
333 req->result = -1;
334
335#if HAVE_FIEMAP
336 /* assume some c99 */
337 struct fiemap *fiemap = 0;
338 size_t end_offset;
339 int count = req->int3;
340
341 req->flags |= EIO_FLAG_PTR1_FREE;
342
343 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
344 /* increase in 3.5kb steps */
345 if (count < 0)
346 count = 8;
347
348 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
349 errno = ENOMEM;
350 if (!fiemap)
351 return;
352
353 req->ptr1 = fiemap;
354
355 fiemap->fm_start = req->offs;
356 fiemap->fm_length = req->size;
357 fiemap->fm_flags = req->int2;
358 fiemap->fm_extent_count = count;
359
360 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
361 return;
362
363 if (req->int3 >= 0 /* not autosizing */
364 || !fiemap->fm_mapped_extents /* no more extents */
365 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
366 goto done;
367
368 /* else we have to loop -
369 * it would be tempting (actually I tried that first) to just query the
370 * number of extents needed, but linux often feels like not returning all
371 * extents, without telling us it left any out. this complicates
372 * this quite a bit.
373 */
374
375 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
376
377 for (;;)
378 {
379 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
380 char scratch[3072];
381 struct fiemap *incmap = (struct fiemap *)scratch;
382
383 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
384 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
385 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
386 incmap->fm_flags = fiemap->fm_flags;
387 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
388
389 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
390 return;
391
392 if (!incmap->fm_mapped_extents)
393 goto done;
394
395 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
396 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
397 errno = ENOMEM;
398 if (!fiemap)
399 return;
400
401 req->ptr1 = fiemap;
402
403 for (count = 0; count < incmap->fm_mapped_extents; ++count)
404 {
405 struct fiemap_extent *e = incmap->fm_extents + count;
406
407 if (e->fe_logical + e->fe_length >= end_offset)
408 goto done;
409
410 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
411
412 if (e->fe_flags & FIEMAP_EXTENT_LAST)
413 goto done;
414
415 }
416 }
417
418done:
419 req->result = 0;
420
421#else
422 errno = ENOSYS;
423#endif
424}
425
426/*****************************************************************************/
427
428static int close_fd; /* dummy fd to close fds via dup2 */
429
152enum { 430enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 431 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 432};
155 433
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 434typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 435typedef eio_req *aio_req_ornot;
436typedef eio_wd aio_wd;
160 437
161static SV *on_next_submit; 438static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 439static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 440static int max_outstanding;
164 441
165static int respipe_osf [2], respipe [2] = { -1, -1 }; 442static s_epipe respipe;
166 443
167static void req_destroy (aio_req req); 444static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 445static void req_cancel (aio_req req);
169 446
170static void want_poll (void) 447static void
448want_poll (void)
171{ 449{
172 /* write a dummy byte to the pipe so fh becomes ready */ 450 /* write a dummy byte to the pipe so fh becomes ready */
173 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 451 s_epipe_signal (&respipe);
174} 452}
175 453
176static void done_poll (void) 454static void
455done_poll (void)
177{ 456{
178 /* read any signals sent by the worker threads */ 457 /* read any signals sent by the worker threads */
179 char buf [4]; 458 s_epipe_drain (&respipe);
180 while (respipe_read (respipe [0], buf, 4) == 4)
181 ;
182} 459}
183 460
184/* must be called at most once */ 461/* must be called at most once */
185static SV *req_sv (aio_req req, const char *klass) 462static SV *
463req_sv (aio_req req, HV *stash)
186{ 464{
187 if (!req->self) 465 if (!req->self)
188 { 466 {
189 req->self = (SV *)newHV (); 467 req->self = (SV *)newHV ();
190 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 468 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
191 } 469 }
192 470
193 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 471 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
194} 472}
195 473
196static aio_req SvAIO_REQ (SV *sv) 474static SV *
475newSVaio_wd (aio_wd wd)
476{
477 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
478}
479
480static aio_req
481SvAIO_REQ (SV *sv)
197{ 482{
198 MAGIC *mg; 483 MAGIC *mg;
199 484
200 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 485 if (!SvROK (sv)
486 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
487 || (SvSTASH (SvRV (sv)) != aio_grp_stash
488 && SvSTASH (SvRV (sv)) != aio_req_stash
489 && !sv_derived_from (sv, "IO::AIO::REQ")))
201 croak ("object of class " AIO_REQ_KLASS " expected"); 490 croak ("object of class IO::AIO::REQ expected");
202 491
203 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 492 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
204 493
205 return mg ? (aio_req)mg->mg_ptr : 0; 494 return mg ? (aio_req)mg->mg_ptr : 0;
206} 495}
207 496
497static aio_wd
498SvAIO_WD (SV *sv)
499{
500 if (!SvROK (sv)
501 || SvTYPE (SvRV (sv)) != SVt_PVMG
502 || SvSTASH (SvRV (sv)) != aio_wd_stash)
503 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
504
505 return (aio_wd)(long)SvIVX (SvRV (sv));
506}
507
508static SV *
509newmortalFH (int fd, int flags)
510{
511 if (fd < 0)
512 return &PL_sv_undef;
513
514 GV *gv = (GV *)sv_newmortal ();
515 char sym[64];
516 int symlen;
517
518 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
519 gv_init (gv, aio_stash, sym, symlen, 0);
520
521 symlen = snprintf (
522 sym,
523 sizeof (sym),
524 "%s&=%d",
525 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
526 fd
527 );
528
529 return do_open (gv, sym, symlen, 0, 0, 0, 0)
530 ? (SV *)gv : &PL_sv_undef;
531}
532
533static void
208static void aio_grp_feed (aio_req grp) 534aio_grp_feed (aio_req grp)
209{ 535{
210 if (grp->sv2 && SvOK (grp->sv2)) 536 if (grp->sv2 && SvOK (grp->sv2))
211 { 537 {
212 dSP; 538 dSP;
213 539
214 ENTER; 540 ENTER;
215 SAVETMPS; 541 SAVETMPS;
216 PUSHMARK (SP); 542 PUSHMARK (SP);
217 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 543 XPUSHs (req_sv (grp, aio_grp_stash));
218 PUTBACK; 544 PUTBACK;
219 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 545 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
220 SPAGAIN; 546 SPAGAIN;
221 FREETMPS; 547 FREETMPS;
222 LEAVE; 548 LEAVE;
223 } 549 }
224} 550}
225 551
552static void
226static void req_submit (eio_req *req) 553req_submit (eio_req *req)
227{ 554{
228 eio_submit (req); 555 eio_submit (req);
229 556
230 if (expect_false (on_next_submit)) 557 if (expect_false (on_next_submit))
231 { 558 {
… …
238 PUTBACK; 565 PUTBACK;
239 call_sv (cb, G_DISCARD | G_EVAL); 566 call_sv (cb, G_DISCARD | G_EVAL);
240 } 567 }
241} 568}
242 569
570static int
243static int req_invoke (eio_req *req) 571req_invoke (eio_req *req)
244{ 572{
245 dSP;
246
247 if (req->flags & FLAG_SV2_RO_OFF) 573 if (req->flags & FLAG_SV2_RO_OFF)
248 SvREADONLY_off (req->sv2); 574 SvREADONLY_off (req->sv2);
249 575
250 if (!EIO_CANCELLED (req) && req->callback) 576 if (!EIO_CANCELLED (req) && req->callback)
251 { 577 {
578 dSP;
579 static SV *sv_result_cache; /* caches the result integer SV */
580 SV *sv_result;
581
252 ENTER; 582 ENTER;
253 SAVETMPS; 583 SAVETMPS;
254 PUSHMARK (SP); 584 PUSHMARK (SP);
255 EXTEND (SP, 1); 585 EXTEND (SP, 1);
256 586
587 /* do not recreate the result IV from scratch each time */
588 if (expect_true (sv_result_cache))
589 {
590 sv_result = sv_result_cache; sv_result_cache = 0;
591 SvIV_set (sv_result, req->result);
592 SvIOK_only (sv_result);
593 }
594 else
595 {
596 sv_result = newSViv (req->result);
597 SvREADONLY_on (sv_result);
598 }
599
257 switch (req->type) 600 switch (req->type)
258 { 601 {
602 case EIO_WD_OPEN:
603 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
604 break;
605
259 case EIO_READDIR: 606 case EIO_READDIR:
260 { 607 {
261 SV *rv = &PL_sv_undef; 608 SV *rv = &PL_sv_undef;
262 609
263 if (req->result >= 0) 610 if (req->result >= 0)
… …
316 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 663 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
317 } 664 }
318 break; 665 break;
319 666
320 case EIO_OPEN: 667 case EIO_OPEN:
668 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
669 break;
670
671 case EIO_STATVFS:
672 case EIO_FSTATVFS:
321 { 673 {
322 /* convert fd to fh */
323 SV *fh = &PL_sv_undef; 674 SV *rv = &PL_sv_undef;
324 675
676#ifndef _WIN32
325 if (req->result >= 0) 677 if (req->result >= 0)
326 { 678 {
679 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
327 GV *gv = (GV *)sv_newmortal (); 680 HV *hv = newHV ();
328 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 681 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
329 char sym [64]; 682 * chooses to make it a struct.
330 int symlen;
331 683 */
332 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 684 unsigned long fsid = 0;
333 gv_init (gv, stash, sym, symlen, 0); 685 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
334 686
335 symlen = snprintf ( 687 rv = sv_2mortal (newRV_noinc ((SV *)hv));
336 sym,
337 sizeof (sym),
338 "%s&=%d",
339 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
340 (int)req->result
341 );
342 688
343 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 689 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
344 fh = (SV *)gv; 690 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
691 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
692 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
693 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
694 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
695 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
696 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
697 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
698 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
699 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
345 } 700 }
701#endif
346 702
347 PUSHs (fh); 703 PUSHs (rv);
348 } 704 }
705
349 break; 706 break;
350 707
351 case EIO_GROUP: 708 case EIO_GROUP:
352 req->int1 = 2; /* mark group as finished */ 709 req->int1 = 2; /* mark group as finished */
353 710
… …
365 case EIO_NOP: 722 case EIO_NOP:
366 case EIO_BUSY: 723 case EIO_BUSY:
367 break; 724 break;
368 725
369 case EIO_READLINK: 726 case EIO_READLINK:
727 case EIO_REALPATH:
370 if (req->result > 0) 728 if (req->result > 0)
371 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 729 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
372 break; 730 break;
373 731
374 case EIO_STAT: 732 case EIO_STAT:
375 case EIO_LSTAT: 733 case EIO_LSTAT:
376 case EIO_FSTAT: 734 case EIO_FSTAT:
377 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 735 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
736
378 PL_laststatval = req->result; 737 if (!(PL_laststatval = req->result))
738 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
379 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 739 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
380 PUSHs (sv_2mortal (newSViv (req->result))); 740
741 PUSHs (sv_result);
742 break;
743
744 case EIO_SEEK:
745 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
381 break; 746 break;
382 747
383 case EIO_READ: 748 case EIO_READ:
384 { 749 {
385 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 750 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
386 *SvEND (req->sv2) = 0; 751 *SvEND (req->sv2) = 0;
387 SvPOK_only (req->sv2); 752 SvPOK_only (req->sv2);
388 SvSETMAGIC (req->sv2); 753 SvSETMAGIC (req->sv2);
389 PUSHs (sv_2mortal (newSViv (req->result))); 754 PUSHs (sv_result);
390 } 755 }
391 break; 756 break;
392 757
393 case EIO_DUP2: 758 case EIO_SLURP:
759 {
760 if (req->result >= 0)
761 {
762 /* if length was originally not known, we steal the malloc'ed memory */
763 if (req->flags & EIO_FLAG_PTR2_FREE)
764 {
765 req->flags &= ~EIO_FLAG_PTR2_FREE;
766 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
767 }
768 else
769 {
770 SvCUR_set (req->sv2, req->result);
771 *SvEND (req->sv2) = 0;
772 SvPOK_only (req->sv2);
773 }
774
775 SvSETMAGIC (req->sv2);
776 }
777
778 PUSHs (sv_result);
779 }
780 break;
781
782 case EIO_CUSTOM:
783 if (req->feed == fiemap)
784 {
785#if HAVE_FIEMAP
786 if (!req->result)
787 {
788 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
789
790 if (fiemap->fm_extent_count)
791 {
792 AV *av = newAV ();
793 int i;
794
795 while (fiemap->fm_mapped_extents)
796 {
797 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
798 AV *ext_av = newAV ();
799
800 av_store (ext_av, 3, newSVuv (extent->fe_flags));
801 av_store (ext_av, 2, newSVval64 (extent->fe_length));
802 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
803 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
804
805 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
806 }
807
808 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
809 }
810 else
811 {
812 SvIV_set (sv_result, fiemap->fm_mapped_extents);
813 PUSHs (sv_result);
814 }
815 }
816#endif
817 }
818 else
819 PUSHs (sv_result);
820 break;
821
822#if 0
823 case EIO_CLOSE:
824 PerlIOUnix_refcnt_dec (req->int1);
825 break;
826#endif
827
828 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
394 if (req->result > 0) 829 if (req->result > 0)
395 req->result = 0; 830 SvIV_set (sv_result, 0);
396 /* FALLTHROUGH */ 831 /* FALLTHROUGH */
397 832
398 default: 833 default:
399 PUSHs (sv_2mortal (newSViv (req->result))); 834 PUSHs (sv_result);
400 break; 835 break;
401 } 836 }
402 837
403 errno = req->errorno; 838 errno = req->errorno;
404 839
405 PUTBACK; 840 PUTBACK;
406 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 841 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
407 SPAGAIN; 842 SPAGAIN;
408 843
844 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
845 SvREFCNT_dec (sv_result);
846 else
847 sv_result_cache = sv_result;
848
409 FREETMPS; 849 FREETMPS;
410 LEAVE; 850 LEAVE;
411 851
412 PUTBACK; 852 PUTBACK;
413 } 853 }
414 854
415 return !!SvTRUE (ERRSV); 855 return !!SvTRUE (ERRSV);
416} 856}
417 857
858static void
418static void req_destroy (aio_req req) 859req_destroy (aio_req req)
419{ 860{
420 if (req->self) 861 if (req->self)
421 { 862 {
422 sv_unmagic (req->self, PERL_MAGIC_ext); 863 sv_unmagic (req->self, PERL_MAGIC_ext);
423 SvREFCNT_dec (req->self); 864 SvREFCNT_dec (req->self);
424 } 865 }
425 866
426 SvREFCNT_dec (req->sv1); 867 SvREFCNT_dec (req->sv1);
427 SvREFCNT_dec (req->sv2); 868 SvREFCNT_dec (req->sv2);
869 SvREFCNT_dec (req->sv3);
870 SvREFCNT_dec (req->sv4);
428 SvREFCNT_dec (req->callback); 871 SvREFCNT_dec (req->callback);
429 872
430 Safefree (req); 873 free (req);
431} 874}
432 875
876static void
433static void req_cancel_subs (aio_req grp) 877req_cancel_subs (aio_req grp)
434{ 878{
435 aio_req sub;
436
437 if (grp->type != EIO_GROUP) 879 if (grp->type != EIO_GROUP)
438 return; 880 return;
439 881
440 SvREFCNT_dec (grp->sv2); 882 SvREFCNT_dec (grp->sv2);
441 grp->sv2 = 0; 883 grp->sv2 = 0;
442 884
443 eio_grp_cancel (grp); 885 eio_grp_cancel (grp);
444} 886}
445 887
446#ifdef USE_SOCKETS_AS_HANDLES 888static void ecb_cold
447# define TO_SOCKET(x) (win32_get_osfhandle (x)) 889create_respipe (void)
448#else 890{
449# define TO_SOCKET(x) (x) 891 if (s_epipe_renew (&respipe))
450#endif 892 croak ("IO::AIO: unable to initialize result pipe");
893}
451 894
452static void 895static void
453create_respipe (void) 896poll_wait (void)
454{ 897{
455 int old_readfd = respipe [0];
456
457 if (respipe [1] >= 0)
458 respipe_close (TO_SOCKET (respipe [1]));
459
460#ifdef _WIN32
461 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462#else
463 if (pipe (respipe))
464#endif
465 croak ("unable to initialize result pipe");
466
467 if (old_readfd >= 0)
468 {
469 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470 croak ("unable to initialize result pipe(2)");
471
472 respipe_close (respipe [0]);
473 respipe [0] = old_readfd;
474 }
475
476#ifdef _WIN32
477 int arg = 1;
478 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480#else
481 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483#endif
484 croak ("unable to initialize result pipe(3)");
485
486 respipe_osf [0] = TO_SOCKET (respipe [0]);
487 respipe_osf [1] = TO_SOCKET (respipe [1]);
488}
489
490static void poll_wait (void)
491{
492 fd_set rfd;
493
494 while (eio_nreqs ()) 898 while (eio_nreqs ())
495 { 899 {
496 int size; 900 int size;
497 901
498 X_LOCK (reslock); 902 X_LOCK (EIO_POOL->reslock);
499 size = res_queue.size; 903 size = EIO_POOL->res_queue.size;
500 X_UNLOCK (reslock); 904 X_UNLOCK (EIO_POOL->reslock);
501 905
502 if (size) 906 if (size)
503 return; 907 return;
504 908
505 etp_maybe_start_thread (); 909 etp_maybe_start_thread (EIO_POOL);
506 910
507 FD_ZERO (&rfd); 911 s_epipe_wait (&respipe);
508 FD_SET (respipe [0], &rfd);
509
510 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
511 } 912 }
512} 913}
513 914
514static int poll_cb (void) 915static int
916poll_cb (void)
515{ 917{
516 for (;;) 918 for (;;)
517 { 919 {
518 int res = eio_poll (); 920 int res = eio_poll ();
519 921
… …
525 927
526 poll_wait (); 928 poll_wait ();
527 } 929 }
528} 930}
529 931
530static void atfork_child (void) 932static void ecb_cold
933reinit (void)
531{ 934{
532 create_respipe (); 935 create_respipe ();
936
937 if (eio_init (want_poll, done_poll) < 0)
938 croak ("IO::AIO: unable to initialise eio library");
533} 939}
940
941/*****************************************************************************/
534 942
535static SV * 943static SV *
536get_cb (SV *cb_sv) 944get_cb (SV *cb_sv)
537{ 945{
538 SvGETMAGIC (cb_sv); 946 SvGETMAGIC (cb_sv);
539 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 947 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
540} 948}
541 949
950static aio_req ecb_noinline
951dreq (SV *callback)
952{
953 SV *cb_cv;
954 aio_req req;
955 int req_pri = next_pri;
956 next_pri = EIO_PRI_DEFAULT;
957
958 cb_cv = get_cb (callback);
959
960 req = calloc (sizeof (*req), 1);
961 if (!req)
962 croak ("out of memory during eio_req allocation");
963
964 req->callback = SvREFCNT_inc (cb_cv);
965 req->pri = req_pri;
966
967 return req;
968}
969
542#define dREQ \ 970#define dREQ \
543 SV *cb_cv; \ 971 aio_req req = dreq (callback); \
544 aio_req req; \
545 int req_pri = next_pri; \
546 next_pri = EIO_PRI_DEFAULT; \
547 \
548 cb_cv = get_cb (callback); \
549 \
550 Newz (0, req, 1, eio_req); \
551 if (!req) \
552 croak ("out of memory during eio_req allocation"); \
553 \
554 req->callback = SvREFCNT_inc (cb_cv); \
555 req->pri = req_pri
556 972
557#define REQ_SEND \ 973#define REQ_SEND \
558 PUTBACK; \ 974 PUTBACK; \
559 req_submit (req); \ 975 req_submit (req); \
560 SPAGAIN; \ 976 SPAGAIN; \
561 \ 977 \
562 if (GIMME_V != G_VOID) \ 978 if (GIMME_V != G_VOID) \
563 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 979 XPUSHs (req_sv (req, aio_req_stash));
980
981ecb_inline void
982req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
983{
984 if (expect_false (SvROK (path)))
985 {
986 SV *rv = SvRV (path);
987 SV *wdob;
988
989 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
990 {
991 path = AvARRAY (rv)[1];
992 wdob = AvARRAY (rv)[0];
993
994 if (SvOK (wdob))
995 {
996 *wd = SvAIO_WD (wdob);
997 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
998 }
999 else
1000 *wd = EIO_INVALID_WD;
1001 }
1002 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1003 {
1004 *wd = (aio_wd)(long)SvIVX (rv);
1005 *wdsv = SvREFCNT_inc_NN (rv);
1006 *ptr = ".";
1007 return; /* path set to "." */
1008 }
1009 else
1010 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1011 }
1012
1013 *pathsv = newSVsv (path);
1014 *ptr = SvPVbyte_nolen (*pathsv);
1015}
1016
1017static void ecb_noinline
1018req_set_path1 (aio_req req, SV *path)
1019{
1020 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1021}
1022
1023static void ecb_noinline
1024req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1025{
1026 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1027
1028 switch (SvTYPE (rv))
1029 {
1030 case SVt_PVIO:
1031 case SVt_PVLV:
1032 case SVt_PVGV:
1033 req->type = type_fh;
1034 req->sv1 = newSVsv (fh_or_path);
1035 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1036 break;
1037
1038 default:
1039 req->type = type_path;
1040 req_set_path1 (req, fh_or_path);
1041 break;
1042 }
1043}
1044
1045/*****************************************************************************/
1046
1047static void
1048ts_set (struct timespec *ts, NV value)
1049{
1050 ts->tv_sec = value;
1051 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1052}
1053
1054static NV
1055ts_get (const struct timespec *ts)
1056{
1057 return ts->tv_sec + ts->tv_nsec * 1e-9;
1058}
1059
1060/*****************************************************************************/
1061
1062XS(boot_IO__AIO) ecb_cold;
564 1063
565MODULE = IO::AIO PACKAGE = IO::AIO 1064MODULE = IO::AIO PACKAGE = IO::AIO
566 1065
567PROTOTYPES: ENABLE 1066PROTOTYPES: ENABLE
568 1067
… …
570{ 1069{
571 static const struct { 1070 static const struct {
572 const char *name; 1071 const char *name;
573 IV iv; 1072 IV iv;
574 } *civ, const_iv[] = { 1073 } *civ, const_iv[] = {
575# define const_iv(name, value) { # name, (IV) value }, 1074# define const_niv(name, value) { # name, (IV) value },
1075# define const_iv(name) { # name, (IV) name },
576# define const_eio(name) { # name, (IV) EIO_ ## name }, 1076# define const_eio(name) { # name, (IV) EIO_ ## name },
577 const_iv (EXDEV , EXDEV) 1077
1078 /* you have to re-run ./gendef0 after adding/removing any constants here */
1079 /* the first block can be undef if missing */
578 const_iv (ENOSYS , ENOSYS) 1080 const_iv (ENOSYS)
579 const_iv (O_RDONLY, O_RDONLY) 1081 const_iv (EXDEV)
580 const_iv (O_WRONLY, O_WRONLY) 1082 const_iv (EBADR)
581 const_iv (O_CREAT , O_CREAT) 1083
582 const_iv (O_TRUNC , O_TRUNC) 1084 /* for lseek */
583#ifndef _WIN32 1085 const_iv (SEEK_DATA)
584 const_iv (S_IFIFO , S_IFIFO) 1086 const_iv (SEEK_HOLE)
585#endif 1087
586 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1088 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
587 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1089 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
588 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1090 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
589 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1091 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
590 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1092 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
591 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1093 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1094
1095 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1096 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1097 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1098 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1099 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1100
1101 /* the second block will be 0 when missing */
1102 const_iv (O_ACCMODE)
1103
1104 const_iv (O_RDONLY)
1105 const_iv (O_WRONLY)
1106 const_iv (O_RDWR)
1107 const_iv (O_CREAT)
1108 const_iv (O_TRUNC)
1109 const_iv (O_EXCL)
1110 const_iv (O_APPEND)
1111
1112 const_iv (O_ASYNC)
1113 const_iv (O_DIRECT)
1114 const_iv (O_NOATIME)
1115
1116 const_iv (O_CLOEXEC)
1117 const_iv (O_NOCTTY)
1118 const_iv (O_NOFOLLOW)
1119 const_iv (O_NONBLOCK)
1120 const_iv (O_EXEC)
1121 const_iv (O_SEARCH)
1122 const_iv (O_DIRECTORY)
1123 const_iv (O_DSYNC)
1124 const_iv (O_RSYNC)
1125 const_iv (O_SYNC)
1126 const_iv (O_PATH)
1127 const_iv (O_TMPFILE)
1128 const_iv (O_TTY_INIT)
1129
1130 const_iv (S_IFIFO)
1131 const_iv (S_IFCHR)
1132 const_iv (S_IFBLK)
1133 const_iv (S_IFLNK)
1134 const_iv (S_IFREG)
1135 const_iv (S_IFDIR)
1136 const_iv (S_IFWHT)
1137 const_iv (S_IFSOCK)
1138 const_iv (S_IFMT)
1139
1140 const_iv (ST_RDONLY)
1141 const_iv (ST_NOSUID)
1142 const_iv (ST_NODEV)
1143 const_iv (ST_NOEXEC)
1144 const_iv (ST_SYNCHRONOUS)
1145 const_iv (ST_MANDLOCK)
1146 const_iv (ST_WRITE)
1147 const_iv (ST_APPEND)
1148 const_iv (ST_IMMUTABLE)
1149 const_iv (ST_NOATIME)
1150 const_iv (ST_NODIRATIME)
1151 const_iv (ST_RELATIME)
1152
1153 const_iv (PROT_NONE)
1154 const_iv (PROT_EXEC)
1155 const_iv (PROT_READ)
1156 const_iv (PROT_WRITE)
1157
1158 const_iv (MAP_PRIVATE)
1159 const_iv (MAP_SHARED)
1160 const_iv (MAP_FIXED)
1161 const_iv (MAP_ANONYMOUS)
1162
1163 /* linuxish */
1164 const_iv (MAP_LOCKED)
1165 const_iv (MAP_NORESERVE)
1166 const_iv (MAP_POPULATE)
1167 const_iv (MAP_NONBLOCK)
1168 const_iv (MAP_GROWSDOWN)
1169 const_iv (MAP_32BIT)
1170 const_iv (MAP_HUGETLB)
1171 const_iv (MAP_STACK)
1172
1173 const_iv (MREMAP_MAYMOVE)
1174 const_iv (MREMAP_FIXED)
1175
1176 const_iv (F_DUPFD_CLOEXEC)
1177
1178 const_iv (MSG_CMSG_CLOEXEC)
1179 const_iv (SOCK_CLOEXEC)
1180
1181 const_iv (F_OFD_GETLK)
1182 const_iv (F_OFD_SETLK)
1183 const_iv (F_OFD_GETLKW)
1184
1185 const_iv (FIFREEZE)
1186 const_iv (FITHAW)
1187 const_iv (FITRIM)
1188 const_iv (FICLONE)
1189 const_iv (FICLONERANGE)
1190 const_iv (FIDEDUPERANGE)
1191
1192 const_iv (FS_IOC_GETFLAGS)
1193 const_iv (FS_IOC_SETFLAGS)
1194 const_iv (FS_IOC_GETVERSION)
1195 const_iv (FS_IOC_SETVERSION)
1196 const_iv (FS_IOC_FIEMAP)
1197 const_iv (FS_IOC_FSGETXATTR)
1198 const_iv (FS_IOC_FSSETXATTR)
1199 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1200 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1201 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1202
1203 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1204
1205 const_iv (FS_SECRM_FL)
1206 const_iv (FS_UNRM_FL)
1207 const_iv (FS_COMPR_FL)
1208 const_iv (FS_SYNC_FL)
1209 const_iv (FS_IMMUTABLE_FL)
1210 const_iv (FS_APPEND_FL)
1211 const_iv (FS_NODUMP_FL)
1212 const_iv (FS_NOATIME_FL)
1213 const_iv (FS_DIRTY_FL)
1214 const_iv (FS_COMPRBLK_FL)
1215 const_iv (FS_NOCOMP_FL)
1216 const_iv (FS_ENCRYPT_FL)
1217 const_iv (FS_BTREE_FL)
1218 const_iv (FS_INDEX_FL)
1219 const_iv (FS_JOURNAL_DATA_FL)
1220 const_iv (FS_NOTAIL_FL)
1221 const_iv (FS_DIRSYNC_FL)
1222 const_iv (FS_TOPDIR_FL)
1223 const_iv (FS_FL_USER_MODIFIABLE)
1224
1225 const_iv (FS_XFLAG_REALTIME)
1226 const_iv (FS_XFLAG_PREALLOC)
1227 const_iv (FS_XFLAG_IMMUTABLE)
1228 const_iv (FS_XFLAG_APPEND)
1229 const_iv (FS_XFLAG_SYNC)
1230 const_iv (FS_XFLAG_NOATIME)
1231 const_iv (FS_XFLAG_NODUMP)
1232 const_iv (FS_XFLAG_RTINHERIT)
1233 const_iv (FS_XFLAG_PROJINHERIT)
1234 const_iv (FS_XFLAG_NOSYMLINKS)
1235 const_iv (FS_XFLAG_EXTSIZE)
1236 const_iv (FS_XFLAG_EXTSZINHERIT)
1237 const_iv (FS_XFLAG_NODEFRAG)
1238 const_iv (FS_XFLAG_FILESTREAM)
1239 const_iv (FS_XFLAG_DAX)
1240 const_iv (FS_XFLAG_HASATTR)
1241
1242 const_iv (FIEMAP_FLAG_SYNC)
1243 const_iv (FIEMAP_FLAG_XATTR)
1244 const_iv (FIEMAP_FLAGS_COMPAT)
1245 const_iv (FIEMAP_EXTENT_LAST)
1246 const_iv (FIEMAP_EXTENT_UNKNOWN)
1247 const_iv (FIEMAP_EXTENT_DELALLOC)
1248 const_iv (FIEMAP_EXTENT_ENCODED)
1249 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1250 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1251 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1252 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1253 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1254 const_iv (FIEMAP_EXTENT_MERGED)
1255 const_iv (FIEMAP_EXTENT_SHARED)
1256
1257 const_iv (SPLICE_F_MOVE)
1258 const_iv (SPLICE_F_NONBLOCK)
1259 const_iv (SPLICE_F_MORE)
1260 const_iv (SPLICE_F_GIFT)
1261
1262 const_iv (EFD_CLOEXEC)
1263 const_iv (EFD_NONBLOCK)
1264 const_iv (EFD_SEMAPHORE)
1265
1266 const_iv (CLOCK_REALTIME)
1267 const_iv (CLOCK_MONOTONIC)
1268 const_iv (CLOCK_BOOTTIME)
1269 const_iv (CLOCK_REALTIME_ALARM)
1270 const_iv (CLOCK_BOOTTIME_ALARM)
1271
1272 const_iv (TFD_NONBLOCK)
1273 const_iv (TFD_CLOEXEC)
1274
1275 const_iv (TFD_TIMER_ABSTIME)
1276 const_iv (TFD_TIMER_CANCEL_ON_SET)
1277
1278 /* these are libeio constants, and are independent of gendef0 */
1279 const_eio (SEEK_SET)
1280 const_eio (SEEK_CUR)
1281 const_eio (SEEK_END)
1282
1283 const_eio (MCL_FUTURE)
1284 const_eio (MCL_CURRENT)
1285 const_eio (MCL_ONFAULT)
1286
1287 const_eio (MS_ASYNC)
1288 const_eio (MS_INVALIDATE)
1289 const_eio (MS_SYNC)
1290
1291 const_eio (MT_MODIFY)
592 1292
593 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1293 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
594 const_eio (SYNC_FILE_RANGE_WRITE) 1294 const_eio (SYNC_FILE_RANGE_WRITE)
595 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1295 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1296
1297 const_eio (FALLOC_FL_KEEP_SIZE)
1298 const_eio (FALLOC_FL_PUNCH_HOLE)
1299 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1300 const_eio (FALLOC_FL_ZERO_RANGE)
1301 const_eio (FALLOC_FL_INSERT_RANGE)
1302 const_eio (FALLOC_FL_UNSHARE_RANGE)
1303
1304 const_eio (RENAME_NOREPLACE)
1305 const_eio (RENAME_EXCHANGE)
1306 const_eio (RENAME_WHITEOUT)
596 1307
597 const_eio (READDIR_DENTS) 1308 const_eio (READDIR_DENTS)
598 const_eio (READDIR_DIRS_FIRST) 1309 const_eio (READDIR_DIRS_FIRST)
599 const_eio (READDIR_STAT_ORDER) 1310 const_eio (READDIR_STAT_ORDER)
600 const_eio (READDIR_FOUND_UNKNOWN) 1311 const_eio (READDIR_FOUND_UNKNOWN)
… …
608 const_eio (DT_LNK) 1319 const_eio (DT_LNK)
609 const_eio (DT_SOCK) 1320 const_eio (DT_SOCK)
610 const_eio (DT_WHT) 1321 const_eio (DT_WHT)
611 }; 1322 };
612 1323
613 stash = gv_stashpv ("IO::AIO", 1); 1324 aio_stash = gv_stashpv ("IO::AIO" , 1);
1325 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1326 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1327 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
614 1328
615 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1329 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
616 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1330 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
617 1331
618 create_respipe (); 1332 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
619 1333
620 if (eio_init (want_poll, done_poll) < 0) 1334 /* allocate dummy pipe fd for aio_close */
621 croak ("IO::AIO: unable to initialise eio library"); 1335 {
1336 int pipefd [2];
622 1337
623 /* atfork child called in fifo order, so before eio's handler */ 1338 if (
624 X_THREAD_ATFORK (0, 0, atfork_child); 1339#ifdef _WIN32
625} 1340 _pipe (pipefd, 1, _O_BINARY) < 0
1341#else
1342 pipe (pipefd) < 0
1343 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1344#endif
1345 || close (pipefd [1]) < 0
1346 )
1347 croak ("IO::AIO: unable to create dummy pipe for aio_close");
626 1348
1349 close_fd = pipefd [0];
1350 }
1351
1352 reinit ();
1353}
1354
627void 1355void
1356reinit ()
1357 PROTOTYPE:
1358
1359void
628max_poll_reqs (int nreqs) 1360max_poll_reqs (unsigned int nreqs)
629 PROTOTYPE: $ 1361 PROTOTYPE: $
630 CODE: 1362 CODE:
631 eio_set_max_poll_reqs (nreqs); 1363 eio_set_max_poll_reqs (nreqs);
632 1364
633void 1365void
… …
635 PROTOTYPE: $ 1367 PROTOTYPE: $
636 CODE: 1368 CODE:
637 eio_set_max_poll_time (nseconds); 1369 eio_set_max_poll_time (nseconds);
638 1370
639void 1371void
640min_parallel (int nthreads) 1372min_parallel (unsigned int nthreads)
641 PROTOTYPE: $ 1373 PROTOTYPE: $
642 CODE: 1374 CODE:
643 eio_set_min_parallel (nthreads); 1375 eio_set_min_parallel (nthreads);
644 1376
645void 1377void
646max_parallel (int nthreads) 1378max_parallel (unsigned int nthreads)
647 PROTOTYPE: $ 1379 PROTOTYPE: $
648 CODE: 1380 CODE:
649 eio_set_max_parallel (nthreads); 1381 eio_set_max_parallel (nthreads);
650 1382
651void 1383void
652max_idle (int nthreads) 1384max_idle (unsigned int nthreads)
653 PROTOTYPE: $ 1385 PROTOTYPE: $
654 CODE: 1386 CODE:
655 eio_set_max_idle (nthreads); 1387 eio_set_max_idle (nthreads);
656 1388
657void 1389void
1390idle_timeout (unsigned int seconds)
1391 PROTOTYPE: $
1392 CODE:
1393 eio_set_idle_timeout (seconds);
1394
1395void
658max_outstanding (int maxreqs) 1396max_outstanding (unsigned int maxreqs)
659 PROTOTYPE: $ 1397 PROTOTYPE: $
660 CODE: 1398 CODE:
661 max_outstanding = maxreqs; 1399 max_outstanding = maxreqs;
662 1400
663void 1401void
664aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1402aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
665 PROTOTYPE: $$$;$
666 PPCODE: 1403 PPCODE:
667{ 1404{
668 dREQ; 1405 dREQ;
669 1406
1407 req->type = EIO_WD_OPEN;
1408 req_set_path1 (req, pathname);
1409
1410 REQ_SEND;
1411}
1412
1413void
1414aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1415 PPCODE:
1416{
1417 dREQ;
1418
670 req->type = EIO_OPEN; 1419 req->type = EIO_OPEN;
671 req->sv1 = newSVsv (pathname); 1420 req_set_path1 (req, pathname);
672 req->ptr1 = SvPVbyte_nolen (req->sv1);
673 req->int1 = flags; 1421 req->int1 = flags;
674 req->int2 = mode; 1422 req->int2 = mode;
675 1423
676 REQ_SEND; 1424 REQ_SEND;
677} 1425}
678 1426
679void 1427void
680aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1428aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
681 PROTOTYPE: $;$
682 ALIAS: 1429 ALIAS:
683 aio_fsync = EIO_FSYNC 1430 aio_fsync = EIO_FSYNC
684 aio_fdatasync = EIO_FDATASYNC 1431 aio_fdatasync = EIO_FDATASYNC
1432 aio_syncfs = EIO_SYNCFS
685 PPCODE: 1433 PPCODE:
686{ 1434{
687 int fd = s_fileno_croak (fh, 0); 1435 int fd = s_fileno_croak (fh, 0);
688 dREQ; 1436 dREQ;
689 1437
690 req->type = ix; 1438 req->type = ix;
691 req->sv1 = newSVsv (fh); 1439 req->sv1 = newSVsv (fh);
692 req->int1 = fd; 1440 req->int1 = fd;
693 1441
694 REQ_SEND (req); 1442 REQ_SEND;
695} 1443}
696 1444
697void 1445void
698aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1446aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
699 PROTOTYPE: $$$$;$
700 PPCODE: 1447 PPCODE:
701{ 1448{
702 int fd = s_fileno_croak (fh, 0); 1449 int fd = s_fileno_croak (fh, 0);
703 dREQ; 1450 dREQ;
704 1451
705 req->type = EIO_SYNC_FILE_RANGE; 1452 req->type = EIO_SYNC_FILE_RANGE;
706 req->sv1 = newSVsv (fh); 1453 req->sv1 = newSVsv (fh);
707 req->int1 = fd; 1454 req->int1 = fd;
708 req->offs = offset; 1455 req->offs = offset;
709 req->size = nbytes; 1456 req->size = nbytes;
710 req->int2 = flags; 1457 req->int2 = flags;
711 1458
712 REQ_SEND (req); 1459 REQ_SEND;
713} 1460}
714 1461
715void 1462void
716aio_close (SV *fh, SV *callback=&PL_sv_undef) 1463aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
717 PROTOTYPE: $;$
718 PPCODE: 1464 PPCODE:
719{ 1465{
720 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
721 int fd = s_fileno_croak (fh, 0); 1466 int fd = s_fileno_croak (fh, 0);
722 dREQ; 1467 dREQ;
723 1468
724 if (close_pipe < 0) 1469 req->type = EIO_FALLOCATE;
1470 req->sv1 = newSVsv (fh);
1471 req->int1 = fd;
1472 req->int2 = mode;
1473 req->offs = offset;
1474 req->size = len;
1475
1476 REQ_SEND;
1477}
1478
1479void
1480aio_close (SV *fh, SV *callback = &PL_sv_undef)
1481 PPCODE:
1482{
1483 int fd = s_fileno_croak (fh, 0);
1484 dREQ;
1485#if 0
1486 /* partially duplicate logic in s_fileno */
1487 SvGETMAGIC (fh);
1488
1489 if (SvROK (fh))
1490 {
1491 fh = SvRV (fh);
1492 SvGETMAGIC (fh);
1493 }
1494
1495 if (SvTYPE (fh) == SVt_PVGV)
725 { 1496 {
726 int pipefd [2]; 1497 /* perl filehandle */
1498 PerlIOUnix_refcnt_inc (fd);
1499 do_close ((GV *)fh, 1);
727 1500
728 if (pipe (pipefd) < 0 1501 req->type = EIO_CLOSE;
729 || close (pipefd [1]) < 0 1502 req->int1 = fd;
730 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1503 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
731 abort (); /*D*/
732
733 close_pipe = pipefd [0];
734 } 1504 }
735 1505 else
1506#endif
1507 {
1508 /* fd number */
736 req->type = EIO_DUP2; 1509 req->type = EIO_DUP2;
737 req->int1 = close_pipe; 1510 req->int1 = close_fd;
1511 req->sv2 = newSVsv (fh);
1512 req->int2 = fd;
1513 }
1514
1515 REQ_SEND;
1516}
1517
1518void
1519aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1520 PPCODE:
1521{
1522 int fd = s_fileno_croak (fh, 0);
1523 dREQ;
1524
1525 req->type = EIO_SEEK;
738 req->sv2 = newSVsv (fh); 1526 req->sv1 = newSVsv (fh);
739 req->int2 = fd; 1527 req->int1 = fd;
1528 req->offs = SvVAL64 (offset);
1529 req->int2 = whence;
740 1530
741 REQ_SEND (req); 1531 REQ_SEND;
742} 1532}
743 1533
744void 1534void
745aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1535aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
746 ALIAS: 1536 ALIAS:
747 aio_read = EIO_READ 1537 aio_read = EIO_READ
748 aio_write = EIO_WRITE 1538 aio_write = EIO_WRITE
749 PROTOTYPE: $$$$$;$
750 PPCODE: 1539 PPCODE:
751{ 1540{
752 STRLEN svlen; 1541 STRLEN svlen;
753 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1542 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
754 char *svptr = SvPVbyte (data, svlen); 1543 char *svptr = SvPVbyte (data, svlen);
… …
767 len = svlen - dataoffset; 1556 len = svlen - dataoffset;
768 } 1557 }
769 else 1558 else
770 { 1559 {
771 /* read: check type and grow scalar as necessary */ 1560 /* read: check type and grow scalar as necessary */
772 SvUPGRADE (data, SVt_PV); 1561 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
773 svptr = SvGROW (data, len + dataoffset + 1); 1562 svptr = sv_grow (data, len + dataoffset + 1);
1563 else if (SvCUR (data) < len + dataoffset)
1564 croak ("length + dataoffset outside of scalar, and cannot grow");
774 } 1565 }
775 1566
776 { 1567 {
777 dREQ; 1568 dREQ;
778 1569
… …
794 REQ_SEND; 1585 REQ_SEND;
795 } 1586 }
796} 1587}
797 1588
798void 1589void
799aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1590aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
800 PROTOTYPE: $$;$ 1591 ALIAS:
1592 aio_ioctl = EIO_IOCTL
1593 aio_fcntl = EIO_FCNTL
801 PPCODE: 1594 PPCODE:
802{ 1595{
803 SV *data; 1596 int fd = s_fileno_croak (fh, 0);
1597 char *svptr;
1598
1599 if (SvPOK (arg) || !SvNIOK (arg))
1600 {
1601 STRLEN svlen;
1602 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1603#ifdef IOCPARM_LEN
1604 STRLEN need = IOCPARM_LEN (request);
1605#else
1606 STRLEN need = 256;
1607#endif
1608
1609 if (svlen < need)
1610 svptr = SvGROW (arg, need);
1611 }
1612 else
1613 svptr = (char *)SvIV (arg);
1614
1615 {
1616 dREQ;
1617
1618 req->type = ix;
1619 req->sv1 = newSVsv (fh);
1620 req->int1 = fd;
1621 req->int2 = (long)request;
1622 req->sv2 = SvREFCNT_inc (arg);
1623 req->ptr2 = svptr;
1624
1625 REQ_SEND;
1626 }
1627}
1628
1629void
1630aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1631 ALIAS:
1632 aio_readlink = EIO_READLINK
1633 aio_realpath = EIO_REALPATH
1634 PPCODE:
1635{
804 dREQ; 1636 dREQ;
805 1637
806 req->type = EIO_READLINK; 1638 req->type = ix;
807 req->sv1 = newSVsv (path); 1639 req_set_path1 (req, pathname);
808 req->ptr1 = SvPVbyte_nolen (req->sv1);
809 1640
810 REQ_SEND; 1641 REQ_SEND;
811} 1642}
812 1643
813void 1644void
814aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1645aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
815 PROTOTYPE: $$$$;$
816 PPCODE: 1646 PPCODE:
817{ 1647{
818 int ifd = s_fileno_croak (in_fh , 0); 1648 int ifd = s_fileno_croak (in_fh , 0);
819 int ofd = s_fileno_croak (out_fh, 1); 1649 int ofd = s_fileno_croak (out_fh, 1);
820 dREQ; 1650 dREQ;
821 1651
822 req->type = EIO_SENDFILE; 1652 req->type = EIO_SENDFILE;
823 req->sv1 = newSVsv (out_fh); 1653 req->sv1 = newSVsv (out_fh);
824 req->int1 = ofd; 1654 req->int1 = ofd;
… …
829 1659
830 REQ_SEND; 1660 REQ_SEND;
831} 1661}
832 1662
833void 1663void
834aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1664aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
835 PROTOTYPE: $$$;$
836 PPCODE: 1665 PPCODE:
837{ 1666{
838 int fd = s_fileno_croak (fh, 0); 1667 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1668 dREQ;
840 1669
841 req->type = EIO_READAHEAD; 1670 req->type = EIO_READAHEAD;
842 req->sv1 = newSVsv (fh); 1671 req->sv1 = newSVsv (fh);
843 req->int1 = fd; 1672 req->int1 = fd;
… …
846 1675
847 REQ_SEND; 1676 REQ_SEND;
848} 1677}
849 1678
850void 1679void
851aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1680aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
852 ALIAS: 1681 ALIAS:
853 aio_stat = EIO_STAT 1682 aio_stat = EIO_STAT
854 aio_lstat = EIO_LSTAT 1683 aio_lstat = EIO_LSTAT
1684 aio_statvfs = EIO_STATVFS
855 PPCODE: 1685 PPCODE:
856{ 1686{
857 dREQ; 1687 dREQ;
858 1688
859 req->sv1 = newSVsv (fh_or_path); 1689 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
860
861 if (SvPOK (req->sv1))
862 {
863 req->type = ix;
864 req->ptr1 = SvPVbyte_nolen (req->sv1);
865 }
866 else
867 {
868 req->type = EIO_FSTAT;
869 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
870 }
871 1690
872 REQ_SEND; 1691 REQ_SEND;
873} 1692}
874 1693
875void 1694void
1695st_xtime ()
1696 ALIAS:
1697 st_atime = 0x01
1698 st_mtime = 0x02
1699 st_ctime = 0x04
1700 st_btime = 0x08
1701 st_xtime = 0x0f
1702 PPCODE:
1703 EXTEND (SP, 4);
1704 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1705 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1706 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1707 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1708
1709void
1710st_xtimensec ()
1711 ALIAS:
1712 st_atimensec = 0x01
1713 st_mtimensec = 0x02
1714 st_ctimensec = 0x04
1715 st_btimensec = 0x08
1716 st_xtimensec = 0x0f
1717 st_btimesec = 0x10
1718 st_gen = 0x20
1719 PPCODE:
1720 EXTEND (SP, 4);
1721 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1722 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1723 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1724 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1725 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1726 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1727
1728UV
1729major (UV dev)
1730 ALIAS:
1731 minor = 1
1732 CODE:
1733 RETVAL = ix ? minor (dev) : major (dev);
1734 OUTPUT:
1735 RETVAL
1736
1737UV
1738makedev (UV maj, UV min)
1739 CODE:
1740 RETVAL = makedev (maj, min);
1741 OUTPUT:
1742 RETVAL
1743
1744void
876aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1745aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
877 PPCODE: 1746 PPCODE:
878{ 1747{
879 dREQ; 1748 dREQ;
880 1749
881 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1750 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
882 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1751 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
883 req->sv1 = newSVsv (fh_or_path); 1752 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
884
885 if (SvPOK (req->sv1))
886 {
887 req->type = EIO_UTIME;
888 req->ptr1 = SvPVbyte_nolen (req->sv1);
889 }
890 else
891 {
892 req->type = EIO_FUTIME;
893 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
894 }
895 1753
896 REQ_SEND; 1754 REQ_SEND;
897} 1755}
898 1756
899void 1757void
900aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1758aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
901 PPCODE: 1759 PPCODE:
902{ 1760{
903 dREQ; 1761 dREQ;
904 1762
905 req->sv1 = newSVsv (fh_or_path);
906 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1763 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
907 1764 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
908 if (SvPOK (req->sv1))
909 {
910 req->type = EIO_TRUNCATE;
911 req->ptr1 = SvPVbyte_nolen (req->sv1);
912 }
913 else
914 {
915 req->type = EIO_FTRUNCATE;
916 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
917 }
918 1765
919 REQ_SEND; 1766 REQ_SEND;
920} 1767}
921 1768
922void 1769void
923aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1770aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
924 ALIAS:
925 aio_chmod = EIO_CHMOD
926 aio_mkdir = EIO_MKDIR
927 PPCODE: 1771 PPCODE:
928{ 1772{
929 dREQ; 1773 dREQ;
930 1774
931 req->int2 = mode; 1775 req->int2 = mode;
932 req->sv1 = newSVsv (fh_or_path); 1776 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
933
934 if (SvPOK (req->sv1))
935 {
936 req->type = ix;
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 }
939 else
940 {
941 req->type = EIO_FCHMOD;
942 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
943 }
944 1777
945 REQ_SEND; 1778 REQ_SEND;
946} 1779}
947 1780
948void 1781void
949aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1782aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
950 PPCODE: 1783 PPCODE:
951{ 1784{
952 dREQ; 1785 dREQ;
953 1786
954 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1787 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
955 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1788 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
956 req->sv1 = newSVsv (fh_or_path); 1789 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
957
958 if (SvPOK (req->sv1))
959 {
960 req->type = EIO_CHOWN;
961 req->ptr1 = SvPVbyte_nolen (req->sv1);
962 }
963 else
964 {
965 req->type = EIO_FCHOWN;
966 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967 }
968 1790
969 REQ_SEND; 1791 REQ_SEND;
970} 1792}
971 1793
972void 1794void
973aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1795aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
974 PPCODE: 1796 PPCODE:
975{ 1797{
976 dREQ; 1798 dREQ;
977 1799
978 req->type = EIO_READDIR; 1800 req->type = EIO_READDIR;
979 req->sv1 = newSVsv (pathname);
980 req->ptr1 = SvPVbyte_nolen (req->sv1);
981 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1801 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
982 1802
983 if (flags & EIO_READDIR_DENTS) 1803 if (flags & EIO_READDIR_DENTS)
984 req->int1 |= EIO_READDIR_CUSTOM2; 1804 req->int1 |= EIO_READDIR_CUSTOM2;
985 1805
1806 req_set_path1 (req, pathname);
1807
986 REQ_SEND; 1808 REQ_SEND;
987} 1809}
988 1810
989void 1811void
1812aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1813 PPCODE:
1814{
1815 dREQ;
1816
1817 req->type = EIO_MKDIR;
1818 req->int2 = mode;
1819 req_set_path1 (req, pathname);
1820
1821 REQ_SEND;
1822}
1823
1824void
990aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1825aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
991 ALIAS: 1826 ALIAS:
992 aio_unlink = EIO_UNLINK 1827 aio_unlink = EIO_UNLINK
993 aio_rmdir = EIO_RMDIR 1828 aio_rmdir = EIO_RMDIR
994 aio_readdir = EIO_READDIR 1829 aio_readdir = EIO_READDIR
995 PPCODE: 1830 PPCODE:
996{ 1831{
997 dREQ; 1832 dREQ;
998 1833
999 req->type = ix; 1834 req->type = ix;
1000 req->sv1 = newSVsv (pathname); 1835 req_set_path1 (req, pathname);
1001 req->ptr1 = SvPVbyte_nolen (req->sv1);
1002 1836
1003 REQ_SEND; 1837 REQ_SEND;
1004} 1838}
1005 1839
1006void 1840void
1007aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1841aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1008 ALIAS: 1842 ALIAS:
1009 aio_link = EIO_LINK 1843 aio_link = EIO_LINK
1010 aio_symlink = EIO_SYMLINK 1844 aio_symlink = EIO_SYMLINK
1011 aio_rename = EIO_RENAME 1845 aio_rename = EIO_RENAME
1012 PPCODE: 1846 PPCODE:
1013{ 1847{
1848 eio_wd wd2 = 0;
1014 dREQ; 1849 dREQ;
1015 1850
1016 req->type = ix; 1851 req->type = ix;
1017 req->sv1 = newSVsv (oldpath); 1852 req_set_path1 (req, oldpath);
1018 req->ptr1 = SvPVbyte_nolen (req->sv1); 1853 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1019 req->sv2 = newSVsv (newpath); 1854 req->int3 = (long)wd2;
1020 req->ptr2 = SvPVbyte_nolen (req->sv2);
1021 1855
1022 REQ_SEND; 1856 REQ_SEND;
1023} 1857}
1024 1858
1025void 1859void
1860aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1861 PPCODE:
1862{
1863 eio_wd wd2 = 0;
1864 dREQ;
1865
1866 req->type = EIO_RENAME;
1867 req_set_path1 (req, oldpath);
1868 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1869 req->int2 = flags;
1870 req->int3 = (long)wd2;
1871
1872 REQ_SEND;
1873}
1874
1875void
1026aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1876aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1027 PPCODE: 1877 PPCODE:
1028{ 1878{
1029 dREQ; 1879 dREQ;
1030 1880
1031 req->type = EIO_MKNOD; 1881 req->type = EIO_MKNOD;
1032 req->sv1 = newSVsv (pathname);
1033 req->ptr1 = SvPVbyte_nolen (req->sv1);
1034 req->int2 = (mode_t)mode; 1882 req->int2 = (mode_t)mode;
1035 req->offs = dev; 1883 req->offs = dev;
1884 req_set_path1 (req, pathname);
1036 1885
1037 REQ_SEND; 1886 REQ_SEND;
1038} 1887}
1039 1888
1040void 1889void
1890aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1891 ALIAS:
1892 aio_mtouch = EIO_MTOUCH
1893 aio_msync = EIO_MSYNC
1894 PPCODE:
1895{
1896 STRLEN svlen;
1897 char *svptr = SvPVbyte (data, svlen);
1898 UV len = SvUV (length);
1899
1900 if (flags < 0)
1901 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1902
1903 if (offset < 0)
1904 offset += svlen;
1905
1906 if (offset < 0 || offset > svlen)
1907 croak ("offset outside of scalar");
1908
1909 if (!SvOK (length) || len + offset > svlen)
1910 len = svlen - offset;
1911
1912 {
1913 dREQ;
1914
1915 req->type = ix;
1916 req->sv2 = SvREFCNT_inc (data);
1917 req->ptr2 = (char *)svptr + offset;
1918 req->size = len;
1919 req->int1 = flags;
1920
1921 REQ_SEND;
1922 }
1923}
1924
1925void
1926aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1927 PPCODE:
1928{
1929 STRLEN svlen;
1930 char *svptr = SvPVbyte (data, svlen);
1931 UV len = SvUV (length);
1932
1933 if (offset < 0)
1934 offset += svlen;
1935
1936 if (offset < 0 || offset > svlen)
1937 croak ("offset outside of scalar");
1938
1939 if (!SvOK (length) || len + offset > svlen)
1940 len = svlen - offset;
1941
1942 {
1943 dREQ;
1944
1945 req->type = EIO_MLOCK;
1946 req->sv2 = SvREFCNT_inc (data);
1947 req->ptr2 = (char *)svptr + offset;
1948 req->size = len;
1949
1950 REQ_SEND;
1951 }
1952}
1953
1954void
1955aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1956 PPCODE:
1957{
1958 dREQ;
1959
1960 req->type = EIO_MLOCKALL;
1961 req->int1 = flags;
1962
1963 REQ_SEND;
1964}
1965
1966void
1967aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1968 PPCODE:
1969{
1970 int fd = s_fileno_croak (fh, 0);
1971 dREQ;
1972
1973 req->type = EIO_CUSTOM;
1974 req->sv1 = newSVsv (fh);
1975 req->int1 = fd;
1976
1977 req->feed = fiemap;
1978#if HAVE_FIEMAP
1979 /* keep our fingers crossed that the next two types are 64 bit */
1980 req->offs = start;
1981 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1982 req->int2 = flags;
1983 req->int3 = SvOK (count) ? SvIV (count) : -1;
1984#endif
1985
1986 REQ_SEND;
1987}
1988
1989void
1990aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1991 PPCODE:
1992{
1993 char *svptr = 0;
1994
1995 sv_clear_foreign (data);
1996
1997 if (length) /* known length, directly read into scalar */
1998 {
1999 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2000 svptr = sv_grow (data, length + 1);
2001 else if (SvCUR (data) < length)
2002 croak ("length outside of scalar, and cannot grow");
2003 else
2004 svptr = SvPVbyte_nolen (data);
2005 }
2006
2007 {
2008 dREQ;
2009
2010 req->type = EIO_SLURP;
2011 req_set_path1 (req, pathname);
2012 req->offs = offset;
2013 req->size = length;
2014 req->sv2 = SvREFCNT_inc (data);
2015 req->ptr2 = svptr;
2016
2017 if (!SvREADONLY (data))
2018 {
2019 SvREADONLY_on (data);
2020 req->flags |= FLAG_SV2_RO_OFF;
2021 }
2022
2023 REQ_SEND;
2024 }
2025}
2026
2027void
1041aio_busy (double delay, SV *callback=&PL_sv_undef) 2028aio_busy (double delay, SV *callback = &PL_sv_undef)
1042 PPCODE: 2029 PPCODE:
1043{ 2030{
1044 dREQ; 2031 dREQ;
1045 2032
1046 req->type = EIO_BUSY; 2033 req->type = EIO_BUSY;
… …
1048 2035
1049 REQ_SEND; 2036 REQ_SEND;
1050} 2037}
1051 2038
1052void 2039void
1053aio_group (SV *callback=&PL_sv_undef) 2040aio_group (SV *callback = &PL_sv_undef)
1054 PROTOTYPE: ;$
1055 PPCODE: 2041 PPCODE:
1056{ 2042{
1057 dREQ; 2043 dREQ;
1058 2044
1059 req->type = EIO_GROUP; 2045 req->type = EIO_GROUP;
1060 2046
2047 PUTBACK;
1061 req_submit (req); 2048 req_submit (req);
2049 SPAGAIN;
2050
1062 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2051 XPUSHs (req_sv (req, aio_grp_stash));
1063} 2052}
1064 2053
1065void 2054void
1066aio_nop (SV *callback=&PL_sv_undef) 2055aio_nop (SV *callback = &PL_sv_undef)
1067 ALIAS: 2056 ALIAS:
1068 aio_nop = EIO_NOP 2057 aio_nop = EIO_NOP
1069 aio_sync = EIO_SYNC 2058 aio_sync = EIO_SYNC
1070 PPCODE: 2059 PPCODE:
1071{ 2060{
… …
1075 2064
1076 REQ_SEND; 2065 REQ_SEND;
1077} 2066}
1078 2067
1079int 2068int
1080aioreq_pri (int pri = 0) 2069aioreq_pri (int pri = NO_INIT)
1081 PROTOTYPE: ;$
1082 CODE: 2070 CODE:
1083 RETVAL = next_pri; 2071 RETVAL = next_pri;
1084 if (items > 0) 2072 if (items > 0)
1085 { 2073 {
1086 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2074 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1098 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2086 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1099 next_pri = nice; 2087 next_pri = nice;
1100 2088
1101void 2089void
1102flush () 2090flush ()
1103 PROTOTYPE:
1104 CODE: 2091 CODE:
1105 while (eio_nreqs ()) 2092 while (eio_nreqs ())
1106 { 2093 {
1107 poll_wait (); 2094 poll_wait ();
1108 poll_cb (); 2095 poll_cb ();
1109 } 2096 }
1110 2097
1111int 2098int
1112poll() 2099poll ()
1113 PROTOTYPE:
1114 CODE: 2100 CODE:
1115 poll_wait (); 2101 poll_wait ();
1116 RETVAL = poll_cb (); 2102 RETVAL = poll_cb ();
1117 OUTPUT: 2103 OUTPUT:
1118 RETVAL 2104 RETVAL
1119 2105
1120int 2106int
1121poll_fileno() 2107poll_fileno ()
1122 PROTOTYPE:
1123 CODE: 2108 CODE:
1124 RETVAL = respipe [0]; 2109 RETVAL = s_epipe_fd (&respipe);
1125 OUTPUT: 2110 OUTPUT:
1126 RETVAL 2111 RETVAL
1127 2112
1128int 2113int
1129poll_cb(...) 2114poll_cb (...)
1130 PROTOTYPE: 2115 PROTOTYPE:
1131 CODE: 2116 CODE:
1132 RETVAL = poll_cb (); 2117 RETVAL = poll_cb ();
1133 OUTPUT: 2118 OUTPUT:
1134 RETVAL 2119 RETVAL
1135 2120
1136void 2121void
1137poll_wait() 2122poll_wait ()
1138 PROTOTYPE:
1139 CODE: 2123 CODE:
1140 poll_wait (); 2124 poll_wait ();
1141 2125
1142int 2126int
1143nreqs() 2127nreqs ()
1144 PROTOTYPE:
1145 CODE: 2128 CODE:
1146 RETVAL = eio_nreqs (); 2129 RETVAL = eio_nreqs ();
1147 OUTPUT: 2130 OUTPUT:
1148 RETVAL 2131 RETVAL
1149 2132
1150int 2133int
1151nready() 2134nready ()
1152 PROTOTYPE:
1153 CODE: 2135 CODE:
1154 RETVAL = eio_nready (); 2136 RETVAL = eio_nready ();
1155 OUTPUT: 2137 OUTPUT:
1156 RETVAL 2138 RETVAL
1157 2139
1158int 2140int
1159npending() 2141npending ()
1160 PROTOTYPE:
1161 CODE: 2142 CODE:
1162 RETVAL = eio_npending (); 2143 RETVAL = eio_npending ();
1163 OUTPUT: 2144 OUTPUT:
1164 RETVAL 2145 RETVAL
1165 2146
1166int 2147int
1167nthreads() 2148nthreads ()
1168 PROTOTYPE:
1169 CODE: 2149 CODE:
1170 RETVAL = eio_nthreads (); 2150 RETVAL = eio_nthreads ();
1171 OUTPUT: 2151 OUTPUT:
1172 RETVAL 2152 RETVAL
1173 2153
1174int 2154int
1175fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2155fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1176 PROTOTYPE: $$$$
1177 CODE: 2156 CODE:
1178#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1179 RETVAL = posix_fadvise (fh, offset, length, advice); 2157 RETVAL = posix_fadvise (fh, offset, length, advice);
1180#else
1181 RETVAL = errno = ENOSYS;
1182#endif
1183 OUTPUT: 2158 OUTPUT:
1184 RETVAL 2159 RETVAL
1185 2160
1186ssize_t 2161IV
1187sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2162sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1188 PROTOTYPE: $$$$
1189 CODE: 2163 CODE:
1190 eio_sendfile_sync (ofh, ifh, offset, count); 2164 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2165 OUTPUT:
2166 RETVAL
2167
2168void
2169mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2170 PPCODE:
2171 sv_clear_foreign (scalar);
2172{
2173 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2174 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2175 if (addr == (void *)-1)
2176 XSRETURN_NO;
2177
2178 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2179
2180 if (!(prot & PROT_WRITE))
2181 SvREADONLY_on (scalar);
2182
2183 XSRETURN_YES;
2184}
2185
2186void
2187munmap (SV *scalar)
2188 CODE:
2189 sv_clear_foreign (scalar);
2190
2191SV *
2192mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2193 CODE:
2194{
2195 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2196 void *new;
2197
2198 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2199 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2200
2201 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2202
2203 RETVAL = &PL_sv_no;
2204
2205 if (new != (void *)-1)
2206 {
2207 RETVAL = new == (void *)mg->mg_ptr
2208 ? newSVpvn ("0 but true", 10)
2209 : &PL_sv_yes;
2210
2211 mg->mg_ptr = (char *)new;
2212 mg->mg_obj = (SV *)new_length;
2213
2214 SvPVX (scalar) = mg->mg_ptr;
2215 SvCUR_set (scalar, new_length);
2216 }
2217}
2218 OUTPUT:
2219 RETVAL
2220
2221int
2222madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2223 ALIAS:
2224 mprotect = 1
2225 CODE:
2226{
2227 STRLEN svlen;
2228 void *addr = SvPVbyte (scalar, svlen);
2229 STRLEN len = SvUV (length);
2230
2231 if (offset < 0)
2232 offset += svlen;
2233
2234 if (offset < 0 || offset > svlen)
2235 croak ("offset outside of scalar");
2236
2237 if (!SvOK (length) || len + offset > svlen)
2238 len = svlen - offset;
2239
2240 addr = (void *)(((intptr_t)addr) + offset);
2241 eio_page_align (&addr, &len);
2242
2243 switch (ix)
2244 {
2245 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2246 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2247 }
2248}
2249 OUTPUT:
2250 RETVAL
2251
2252int
2253munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2254 CODE:
2255{
2256 STRLEN svlen;
2257 void *addr = SvPVbyte (scalar, svlen);
2258 size_t len = SvUV (length);
2259
2260 if (offset < 0)
2261 offset += svlen;
2262
2263 if (offset < 0 || offset > svlen)
2264 croak ("offset outside of scalar");
2265
2266 if (!SvOK (length) || len + offset > svlen)
2267 len = svlen - offset;
2268
2269 addr = (void *)(((intptr_t)addr) + offset);
2270 eio_page_align (&addr, &len);
2271#if _POSIX_MEMLOCK_RANGE
2272 RETVAL = munlock (addr, len);
2273#else
2274 RETVAL = EIO_ENOSYS ();
2275#endif
2276}
2277 OUTPUT:
2278 RETVAL
2279
2280int
2281mlockall (int flags)
2282 PROTOTYPE: $;
2283 CODE:
2284 RETVAL = eio_mlockall_sync (flags);
2285 OUTPUT:
2286 RETVAL
2287
2288int
2289munlockall ()
2290 CODE:
2291#if _POSIX_MEMLOCK
2292 munlockall ();
2293#else
2294 RETVAL = EIO_ENOSYS ();
2295#endif
2296 OUTPUT:
2297 RETVAL
2298
2299int
2300splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2301 CODE:
2302{
2303#if HAVE_LINUX_SPLICE
2304 loff_t off_in_, off_out_;
2305 RETVAL = splice (
2306 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2307 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2308 length, flags
2309 );
2310#else
2311 RETVAL = EIO_ENOSYS ();
2312#endif
2313}
2314 OUTPUT:
2315 RETVAL
2316
2317int
2318tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2319 CODE:
2320#if HAVE_LINUX_SPLICE
2321 RETVAL = tee (rfh, wfh, length, flags);
2322#else
2323 RETVAL = EIO_ENOSYS ();
2324#endif
2325 OUTPUT:
2326 RETVAL
2327
2328int
2329pipesize (aio_rfd rfh, int new_size = -1)
2330 PROTOTYPE: $;$
2331 CODE:
2332#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2333 if (new_size >= 0)
2334 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2335 else
2336 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2337#else
2338 errno = ENOSYS;
2339 RETVAL = -1;
2340#endif
2341 OUTPUT:
2342 RETVAL
2343
2344void
2345pipe2 (int flags = 0)
2346 PROTOTYPE: ;$
2347 PPCODE:
2348{
2349 int fd[2];
2350 int res;
2351
2352 if (flags)
2353#if HAVE_PIPE2
2354 res = pipe2 (fd, flags);
2355#else
2356 res = (errno = ENOSYS, -1);
2357#endif
2358 else
2359 res = pipe (fd);
2360
2361 if (!res)
2362 {
2363 EXTEND (SP, 2);
2364 PUSHs (newmortalFH (fd[0], O_RDONLY));
2365 PUSHs (newmortalFH (fd[1], O_WRONLY));
2366 }
2367}
2368
2369void
2370eventfd (unsigned int initval = 0, int flags = 0)
2371 PPCODE:
2372{
2373 int fd;
2374#if HAVE_EVENTFD
2375 fd = eventfd (initval, flags);
2376#else
2377 fd = (errno = ENOSYS, -1);
2378#endif
2379
2380 XPUSHs (newmortalFH (fd, O_RDWR));
2381}
2382
2383void
2384timerfd_create (int clockid, int flags = 0)
2385 PPCODE:
2386{
2387 int fd;
2388#if HAVE_TIMERFD
2389 fd = timerfd_create (clockid, flags);
2390#else
2391 fd = (errno = ENOSYS, -1);
2392#endif
2393
2394 XPUSHs (newmortalFH (fd, O_RDWR));
2395}
2396
2397void
2398timerfd_settime (SV *fh, int flags, NV interval, NV value)
2399 PPCODE:
2400{
2401 int fd = s_fileno_croak (fh, 0);
2402#if HAVE_TIMERFD
2403 int res;
2404 struct itimerspec its, ots;
2405
2406 ts_set (&its.it_interval, interval);
2407 ts_set (&its.it_value , value);
2408 res = timerfd_settime (fd, flags, &its, &ots);
2409
2410 if (!res)
2411 {
2412 EXTEND (SP, 2);
2413 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2414 PUSHs (newSVnv (ts_get (&ots.it_value)));
2415 }
2416#else
2417 errno = ENOSYS;
2418#endif
2419}
2420
2421void
2422timerfd_gettime (SV *fh)
2423 PPCODE:
2424{
2425 int fd = s_fileno_croak (fh, 0);
2426#if HAVE_TIMERFD
2427 int res;
2428 struct itimerspec ots;
2429 res = timerfd_gettime (fd, &ots);
2430
2431 if (!res)
2432 {
2433 EXTEND (SP, 2);
2434 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2435 PUSHs (newSVnv (ts_get (&ots.it_value)));
2436 }
2437#else
2438 errno = ENOSYS;
2439#endif
2440}
2441
2442UV
2443get_fdlimit ()
2444 CODE:
2445#if HAVE_RLIMITS
2446 struct rlimit rl;
2447 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2448 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2449#endif
2450 XSRETURN_UNDEF;
2451 OUTPUT:
2452 RETVAL
2453
2454void
2455min_fdlimit (UV limit = 0x7fffffffU)
2456 CODE:
2457{
2458#if HAVE_RLIMITS
2459 struct rlimit rl;
2460 rlim_t orig_rlim_max;
2461 UV bit;
2462
2463 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2464 goto fail;
2465
2466 if (rl.rlim_cur == RLIM_INFINITY)
2467 XSRETURN_YES;
2468
2469 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2470
2471 if (rl.rlim_cur < limit)
2472 {
2473 rl.rlim_cur = limit;
2474
2475 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2476 rl.rlim_max = rl.rlim_cur;
2477 }
2478
2479 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2480 XSRETURN_YES;
2481
2482 if (errno == EPERM)
2483 {
2484 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2485 /* our limit overflows a system-wide limit */
2486 /* try an adaptive algorithm, but do not lower the hardlimit */
2487 rl.rlim_max = 0;
2488 for (bit = 0x40000000U; bit; bit >>= 1)
2489 {
2490 rl.rlim_max |= bit;
2491 rl.rlim_cur = rl.rlim_max;
2492
2493 /* nevr decrease the hard limit */
2494 if (rl.rlim_max < orig_rlim_max)
2495 break;
2496
2497 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2498 rl.rlim_max &= ~bit; /* too high, remove bit again */
2499 }
2500
2501 /* now, raise the soft limit to the max permitted */
2502 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2503 {
2504 rl.rlim_cur = rl.rlim_max;
2505 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2506 errno = EPERM;
2507 }
2508 }
2509#endif
2510 fail:
2511 XSRETURN_UNDEF;
2512}
1191 2513
1192void _on_next_submit (SV *cb) 2514void _on_next_submit (SV *cb)
1193 CODE: 2515 CODE:
1194 SvREFCNT_dec (on_next_submit); 2516 SvREFCNT_dec (on_next_submit);
1195 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2517 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1196 2518
1197PROTOTYPES: DISABLE 2519PROTOTYPES: DISABLE
1198 2520
2521MODULE = IO::AIO PACKAGE = IO::AIO::WD
2522
2523BOOT:
2524{
2525 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2526 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2527}
2528
2529void
2530DESTROY (SV *self)
2531 CODE:
2532{
2533 aio_wd wd = SvAIO_WD (self);
2534#if HAVE_AT
2535 {
2536 SV *callback = &PL_sv_undef;
2537 dREQ; /* clobbers next_pri :/ */
2538 next_pri = req->pri; /* restore next_pri */
2539 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2540 req->type = EIO_WD_CLOSE;
2541 req->wd = wd;
2542 REQ_SEND;
2543 }
2544#else
2545 eio_wd_close_sync (wd);
2546#endif
2547}
2548
1199MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2549MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1200 2550
1201void 2551void
1202cancel (aio_req_ornot req) 2552cancel (aio_req_ornot req)
1203 CODE: 2553 CODE:
1204 eio_cancel (req); 2554 eio_cancel (req);
1205 2555
1206void 2556void
1207cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2557cb (aio_req_ornot req, SV *callback = NO_INIT)
1208 PPCODE: 2558 PPCODE:
1209{ 2559{
1210 if (GIMME_V != G_VOID) 2560 if (GIMME_V != G_VOID)
1211 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2561 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1212 2562
1213 if (items > 1) 2563 if (items > 1)
1214 { 2564 {
1215 SV *cb_cv =get_cb (callback); 2565 SV *cb_cv = get_cb (callback);
1216 2566
1217 SvREFCNT_dec (req->callback); 2567 SvREFCNT_dec (req->callback);
1218 req->callback = SvREFCNT_inc (cb_cv); 2568 req->callback = SvREFCNT_inc (cb_cv);
1219 } 2569 }
1220} 2570}
… …
1277limit (aio_req grp, int limit) 2627limit (aio_req grp, int limit)
1278 CODE: 2628 CODE:
1279 eio_grp_limit (grp, limit); 2629 eio_grp_limit (grp, limit);
1280 2630
1281void 2631void
1282feed (aio_req grp, SV *callback=&PL_sv_undef) 2632feed (aio_req grp, SV *callback = &PL_sv_undef)
1283 CODE: 2633 CODE:
1284{ 2634{
1285 SvREFCNT_dec (grp->sv2); 2635 SvREFCNT_dec (grp->sv2);
1286 grp->sv2 = newSVsv (callback); 2636 grp->sv2 = newSVsv (callback);
1287 grp->feed = aio_grp_feed; 2637 grp->feed = aio_grp_feed;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines