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 1.123 by root, Sat May 17 12:17:25 2008 UTC vs.
Revision 1.270 by root, Thu Nov 29 21:51:22 2018 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8
9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
8 12
9#include <stddef.h> 13#include <stddef.h>
10#include <stdlib.h> 14#include <stdlib.h>
11#include <errno.h> 15#include <errno.h>
12#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
13#include <sys/stat.h> 18#include <sys/stat.h>
14#include <limits.h> 19#include <limits.h>
15#include <fcntl.h> 20#include <fcntl.h>
16#include <sched.h> 21#include <sched.h>
17 22
23/* 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
18/* perl namespace pollution */ 37/* perl namespace pollution */
19#undef VERSION 38#undef VERSION
20 39
40/* perl stupidly overrides readdir and maybe others */
41/* with thread-unsafe versions, imagine that :( */
42#undef readdir
43#undef opendir
44#undef closedir
45
21#ifdef _WIN32 46#ifdef _WIN32
22 47
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions 48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
28# undef open 52 #undef open
29# undef read 53 #undef read
30# undef write 54 #undef write
31# undef send 55 #undef send
32# undef recv 56 #undef recv
33# undef stat 57 #undef stat
58 #undef lstat
34# undef fstat 59 #undef fstat
35# define lstat stat
36# undef truncate 60 #undef truncate
37# undef ftruncate 61 #undef ftruncate
38# undef open 62 #undef open
63 #undef link
39# undef close 64 #undef close
40# undef unlink 65 #undef unlink
66 #undef mkdir
41# undef rmdir 67 #undef rmdir
42# undef rename 68 #undef rename
43# undef lseek 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
44 80
45# define chown(a,b,c) (errno = ENOSYS, -1) 81 #define EIO_STRUCT_STAT struct _stati64
46# define fchown(a,b,c) (errno = ENOSYS, -1) 82 #define EIO_STRUCT_STATI64
47# define fchmod(a,b) (errno = ENOSYS, -1)
48# define symlink(a,b) (errno = ENOSYS, -1)
49# define readlink(a,b,c) (errno = ENOSYS, -1)
50# define mknod(a,b,c) (errno = ENOSYS, -1)
51# define truncate(a,b) (errno = ENOSYS, -1)
52# define ftruncate(fd,o) chsize ((fd), (o))
53# define fsync(fd) _commit (fd)
54# define opendir(fd) (errno = ENOSYS, 0)
55# define readdir(fd) (errno = ENOSYS, -1)
56# define closedir(fd) (errno = ENOSYS, -1)
57# define mkdir(a,b) mkdir (a)
58 83
59#else 84#else
60 85
61# include <sys/time.h> 86 #include <sys/time.h>
62# include <sys/select.h> 87 #include <sys/select.h>
63# include <unistd.h> 88 #include <unistd.h>
64# include <utime.h> 89 #include <utime.h>
65# include <signal.h> 90 #include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67 91
68#endif
69
70#define EIO_STRUCT_STAT Stat_t 92 #define EIO_STRUCT_STAT Stat_t
71 93
72/* use NV for 32 bit perls as it allows larger offsets */ 94#endif
73#if IVSIZE >= 8 95
74# define SvVAL64 SvIV 96/*****************************************************************************/
97
98#if __GNUC__ >= 3
99# define expect(expr,value) __builtin_expect ((expr),(value))
75#else 100#else
76# define SvVAL64 SvNV 101# define expect(expr,value) (expr)
77#endif 102#endif
78 103
79static HV *stash; 104#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1)
106
107/*****************************************************************************/
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
80typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
168typedef int aio_rfd; /* read file desriptor */
169typedef int aio_wfd; /* write file descriptor */
81 170
82#define AIO_REQ_KLASS "IO::AIO::REQ" 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
83#define AIO_GRP_KLASS "IO::AIO::GRP"
84 172
85#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
86 SV *callback; \ 174 SV *callback; \
87 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
88 STRLEN stroffset; \ 177 STRLEN stroffset; \
89 SV *self; 178 SV *self;
90 179
91#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
92 181
93#include "libeio/eio.h" 182#include "libeio/eio.h"
94 183
95static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
96#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
97static void aio_grp_feed (eio_req *grp);
98#define EIO_FEED(req) aio_grp_feed (req)
99static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
100#define EIO_DESTROY(req) req_destroy (req) 187#define EIO_DESTROY(req) req_destroy (req)
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 */
101 428
102enum { 429enum {
103 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
104}; 431};
105 432
106#include "libeio/eio.c"
107
108typedef eio_req *aio_req; 433typedef eio_req *aio_req;
109typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
110 436
111static SV *on_next_submit; 437static SV *on_next_submit;
112static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
113static int max_outstanding; 439static int max_outstanding;
114 440
115static int respipe_osf [2], respipe [2] = { -1, -1 }; 441static s_epipe respipe;
116 442
117static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
118static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
119 445
120static void want_poll (void) 446static void
447want_poll (void)
121{ 448{
122 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
123 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 450 s_epipe_signal (&respipe);
124} 451}
125 452
126static void done_poll (void) 453static void
454done_poll (void)
127{ 455{
128 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
129 char buf [4]; 457 s_epipe_drain (&respipe);
130 while (respipe_read (respipe [0], buf, 4) == 4)
131 ;
132} 458}
133 459
134/* must be called at most once */ 460/* must be called at most once */
135static SV *req_sv (aio_req req, const char *klass) 461static SV *
462req_sv (aio_req req, HV *stash)
136{ 463{
137 if (!req->self) 464 if (!req->self)
138 { 465 {
139 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
140 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141 } 468 }
142 469
143 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144} 471}
145 472
146static 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)
147{ 481{
148 MAGIC *mg; 482 MAGIC *mg;
149 483
150 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 484 if (!SvROK (sv)
485 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
486 || (SvSTASH (SvRV (sv)) != aio_grp_stash
487 && SvSTASH (SvRV (sv)) != aio_req_stash
488 && !sv_derived_from (sv, "IO::AIO::REQ")))
151 croak ("object of class " AIO_REQ_KLASS " expected"); 489 croak ("object of class IO::AIO::REQ expected");
152 490
153 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154 492
155 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
156} 494}
157 495
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
158static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
159{ 534{
160 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
161 { 536 {
162 dSP; 537 dSP;
163 538
164 ENTER; 539 ENTER;
165 SAVETMPS; 540 SAVETMPS;
166 PUSHMARK (SP); 541 PUSHMARK (SP);
167 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 542 XPUSHs (req_sv (grp, aio_grp_stash));
168 PUTBACK; 543 PUTBACK;
169 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 544 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
170 SPAGAIN; 545 SPAGAIN;
171 FREETMPS; 546 FREETMPS;
172 LEAVE; 547 LEAVE;
173 } 548 }
174} 549}
175 550
551static void
176static void req_submit (eio_req *req) 552req_submit (eio_req *req)
177{ 553{
178 eio_submit (req); 554 eio_submit (req);
179 555
180 if (on_next_submit) 556 if (expect_false (on_next_submit))
181 { 557 {
182 dSP; 558 dSP;
183 SV *cb = sv_2mortal (on_next_submit); 559 SV *cb = sv_2mortal (on_next_submit);
184 560
185 on_next_submit = 0; 561 on_next_submit = 0;
… …
188 PUTBACK; 564 PUTBACK;
189 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
190 } 566 }
191} 567}
192 568
569static int
193static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
194{ 571{
195 dSP;
196
197 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
198 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
199 574
200 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 575 if (!EIO_CANCELLED (req) && req->callback)
201 { 576 {
577 dSP;
578 static SV *sv_result_cache; /* caches the result integer SV */
579 SV *sv_result;
580
202 ENTER; 581 ENTER;
203 SAVETMPS; 582 SAVETMPS;
204 PUSHMARK (SP); 583 PUSHMARK (SP);
205 EXTEND (SP, 1); 584 EXTEND (SP, 1);
206 585
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
207 switch (req->type) 599 switch (req->type)
208 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
209 case EIO_READDIR: 605 case EIO_READDIR:
210 { 606 {
211 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
212 608
213 if (req->result >= 0) 609 if (req->result >= 0)
214 { 610 {
215 int i; 611 int i;
216 char *buf = req->ptr2; 612 char *names = (char *)req->ptr2;
613 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
217 AV *av = newAV (); 614 AV *av = newAV ();
218 615
219 av_extend (av, req->result - 1); 616 av_extend (av, req->result - 1);
220 617
221 for (i = 0; i < req->result; ++i) 618 for (i = 0; i < req->result; ++i)
222 { 619 {
223 SV *sv = newSVpv (buf, 0); 620 if (req->int1 & EIO_READDIR_DENTS)
621 {
622 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224 623
624 if (req->int1 & EIO_READDIR_CUSTOM2)
625 {
626 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
627 AV *avent = newAV ();
628
629 av_extend (avent, 2);
630
631 if (!sv_type [ent->type])
632 {
633 sv_type [ent->type] = newSViv (ent->type);
634 SvREADONLY_on (sv_type [ent->type]);
635 }
636
637 av_store (avent, 0, namesv);
638 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
639 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
640
641 av_store (av, i, newRV_noinc ((SV *)avent));
642 }
643 else
225 av_store (av, i, sv); 644 av_store (av, i, namesv);
645
646 ++ent;
647 }
648 else
649 {
650 SV *name = newSVpv (names, 0);
651 av_store (av, i, name);
226 buf += SvCUR (sv) + 1; 652 names += SvCUR (name) + 1;
653 }
227 } 654 }
228 655
229 rv = sv_2mortal (newRV_noinc ((SV *)av)); 656 rv = sv_2mortal (newRV_noinc ((SV *)av));
230 } 657 }
231 658
232 PUSHs (rv); 659 PUSHs (rv);
660
661 if (req->int1 & EIO_READDIR_CUSTOM1)
662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
233 } 663 }
234 break; 664 break;
235 665
236 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:
237 { 672 {
238 /* convert fd to fh */
239 SV *fh = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
240 674
675#ifndef _WIN32
241 if (req->result >= 0) 676 if (req->result >= 0)
242 { 677 {
678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
243 GV *gv = (GV *)sv_newmortal (); 679 HV *hv = newHV ();
244 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
245 char sym [64]; 681 * chooses to make it a struct.
246 int symlen;
247 682 */
248 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 683 unsigned long fsid = 0;
249 gv_init (gv, stash, sym, symlen, 0); 684 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
250 685
251 symlen = snprintf ( 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
252 sym,
253 sizeof (sym),
254 "%s&=%d",
255 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256 req->result
257 );
258 687
259 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
260 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);
261 } 699 }
700#endif
262 701
263 PUSHs (fh); 702 PUSHs (rv);
264 } 703 }
704
265 break; 705 break;
266 706
267 case EIO_GROUP: 707 case EIO_GROUP:
268 req->int1 = 2; /* mark group as finished */ 708 req->int1 = 2; /* mark group as finished */
269 709
… …
281 case EIO_NOP: 721 case EIO_NOP:
282 case EIO_BUSY: 722 case EIO_BUSY:
283 break; 723 break;
284 724
285 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
286 if (req->result > 0) 727 if (req->result > 0)
287 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
288 break; 729 break;
289 730
290 case EIO_STAT: 731 case EIO_STAT:
291 case EIO_LSTAT: 732 case EIO_LSTAT:
292 case EIO_FSTAT: 733 case EIO_FSTAT:
293 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
294 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
295 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
296 PUSHs (sv_2mortal (newSViv (req->result))); 739
740 PUSHs (sv_result);
297 break; 741 break;
298 742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
745 break;
746
299 case EIO_READ: 747 case EIO_READ:
748 {
300 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));
301 *SvEND (req->sv2) = 0; 750 *SvEND (req->sv2) = 0;
302 PUSHs (sv_2mortal (newSViv (req->result))); 751 SvPOK_only (req->sv2);
752 SvSETMAGIC (req->sv2);
753 PUSHs (sv_result);
754 }
303 break; 755 break;
304 756
305 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 */
306 if (req->result > 0) 822 if (req->result > 0)
307 req->result = 0; 823 SvIV_set (sv_result, 0);
308 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
309 825
310 default: 826 default:
311 PUSHs (sv_2mortal (newSViv (req->result))); 827 PUSHs (sv_result);
312 break; 828 break;
313 } 829 }
314 830
315 errno = req->errorno; 831 errno = req->errorno;
316 832
317 PUTBACK; 833 PUTBACK;
318 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 834 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
319 SPAGAIN; 835 SPAGAIN;
320 836
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
321 FREETMPS; 842 FREETMPS;
322 LEAVE; 843 LEAVE;
323 844
324 PUTBACK; 845 PUTBACK;
325 } 846 }
326 847
327 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
328} 849}
329 850
851static void
330static void req_destroy (aio_req req) 852req_destroy (aio_req req)
331{ 853{
332 if (req->self) 854 if (req->self)
333 { 855 {
334 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
335 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
336 } 858 }
337 859
338 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
339 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
340 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
341 865
342 Safefree (req); 866 free (req);
343} 867}
344 868
869static void
345static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
346{ 871{
347 aio_req sub;
348
349 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
350 return; 873 return;
351 874
352 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
353 grp->sv2 = 0; 876 grp->sv2 = 0;
354 877
355 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
356} 879}
357 880
358#ifdef USE_SOCKETS_AS_HANDLES 881static void ecb_cold
359# define TO_SOCKET(x) (win32_get_osfhandle (x)) 882create_respipe (void)
360#else 883{
361# define TO_SOCKET(x) (x) 884 if (s_epipe_renew (&respipe))
362#endif 885 croak ("IO::AIO: unable to initialize result pipe");
886}
363 887
364static void 888static void
365create_respipe (void) 889poll_wait (void)
366{ 890{
367 int old_readfd = respipe [0];
368
369 if (respipe [1] >= 0)
370 respipe_close (TO_SOCKET (respipe [1]));
371
372#ifdef _WIN32
373 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374#else
375 if (pipe (respipe))
376#endif
377 croak ("unable to initialize result pipe");
378
379 if (old_readfd >= 0)
380 {
381 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382 croak ("unable to initialize result pipe(2)");
383
384 respipe_close (respipe [0]);
385 respipe [0] = old_readfd;
386 }
387
388#ifdef _WIN32
389 int arg = 1;
390 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392#else
393 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395#endif
396 croak ("unable to initialize result pipe(3)");
397
398 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]);
400}
401
402static void poll_wait (void)
403{
404 fd_set rfd;
405
406 while (eio_nreqs ()) 891 while (eio_nreqs ())
407 { 892 {
408 int size; 893 int size;
409 894
410 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
411 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
412 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
413 898
414 if (size) 899 if (size)
415 return; 900 return;
416 901
417 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
418 903
419 FD_ZERO (&rfd); 904 s_epipe_wait (&respipe);
420 FD_SET (respipe [0], &rfd);
421
422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423 } 905 }
424} 906}
425 907
426static int poll_cb (void) 908static int
909poll_cb (void)
427{ 910{
428 int res; 911 for (;;)
429
430 do
431 { 912 {
432 res = eio_poll (); 913 int res = eio_poll ();
433 914
434 if (res > 0) 915 if (res > 0)
435 croak (0); 916 croak (0);
917
918 if (!max_outstanding || max_outstanding > eio_nreqs ())
919 return res;
920
921 poll_wait ();
436 } 922 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439 return res;
440} 923}
441 924
442static void atfork_child (void) 925static void ecb_cold
926reinit (void)
443{ 927{
444 create_respipe (); 928 create_respipe ();
929
930 if (eio_init (want_poll, done_poll) < 0)
931 croak ("IO::AIO: unable to initialise eio library");
932}
933
934/*****************************************************************************/
935
936static SV *
937get_cb (SV *cb_sv)
938{
939 SvGETMAGIC (cb_sv);
940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
941}
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;
445} 961}
446 962
447#define dREQ \ 963#define dREQ \
448 aio_req req; \ 964 aio_req req = dreq (callback); \
449 int req_pri = next_pri; \
450 next_pri = EIO_PRI_DEFAULT; \
451 \
452 if (SvOK (callback) && !SvROK (callback)) \
453 croak ("callback must be undef or of reference type"); \
454 \
455 Newz (0, req, 1, eio_req); \
456 if (!req) \
457 croak ("out of memory during eio_req allocation"); \
458 \
459 req->callback = newSVsv (callback); \
460 req->pri = req_pri
461 965
462#define REQ_SEND \ 966#define REQ_SEND \
967 PUTBACK; \
463 req_submit (req); \ 968 req_submit (req); \
969 SPAGAIN; \
464 \ 970 \
465 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
466 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 972 XPUSHs (req_sv (req, aio_req_stash));
467 973
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
468MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
469 1058
470PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
471 1060
472BOOT: 1061BOOT:
473{ 1062{
1063 static const struct {
1064 const char *name;
1065 IV iv;
1066 } *civ, const_iv[] = {
1067# define const_niv(name, value) { # name, (IV) value },
1068# define const_iv(name) { # name, (IV) name },
1069# define const_eio(name) { # name, (IV) EIO_ ## name },
1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
1073 const_iv (ENOSYS)
1074 const_iv (EXDEV)
1075 const_iv (EBADR)
1076
1077 /* for lseek */
1078 const_iv (SEEK_DATA)
1079 const_iv (SEEK_HOLE)
1080
1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
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)
1285
1286 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1287 const_eio (SYNC_FILE_RANGE_WRITE)
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)
1300
1301 const_eio (READDIR_DENTS)
1302 const_eio (READDIR_DIRS_FIRST)
1303 const_eio (READDIR_STAT_ORDER)
1304 const_eio (READDIR_FOUND_UNKNOWN)
1305
1306 const_eio (DT_UNKNOWN)
1307 const_eio (DT_FIFO)
1308 const_eio (DT_CHR)
1309 const_eio (DT_DIR)
1310 const_eio (DT_BLK)
1311 const_eio (DT_REG)
1312 const_eio (DT_LNK)
1313 const_eio (DT_SOCK)
1314 const_eio (DT_WHT)
1315 };
1316
474 stash = gv_stashpv ("IO::AIO", 1); 1317 aio_stash = gv_stashpv ("IO::AIO" , 1);
1318 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1319 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1320 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
475 1321
476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1324
479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1326
1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
1330
1331 if (
481#ifndef _WIN32 1332#ifdef _WIN32
482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1333 _pipe (pipefd, 1, _O_BINARY) < 0
1334#else
1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
483#endif 1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
484 1341
485 create_respipe (); 1342 close_fd = pipefd [0];
1343 }
486 1344
487 if (eio_init (want_poll, done_poll) < 0) 1345 reinit ();
488 croak ("IO::AIO: unable to initialise eio library");
489
490 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child);
492} 1346}
493 1347
494void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
495max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
496 PROTOTYPE: $ 1354 PROTOTYPE: $
497 CODE: 1355 CODE:
498 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
499 1357
500void 1358void
… …
502 PROTOTYPE: $ 1360 PROTOTYPE: $
503 CODE: 1361 CODE:
504 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
505 1363
506void 1364void
507min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
508 PROTOTYPE: $ 1366 PROTOTYPE: $
509 CODE: 1367 CODE:
510 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
511 1369
512void 1370void
513max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
514 PROTOTYPE: $ 1372 PROTOTYPE: $
515 CODE: 1373 CODE:
516 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
517 1375
518void 1376void
519max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
520 PROTOTYPE: $ 1378 PROTOTYPE: $
521 CODE: 1379 CODE:
522 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
523 1381
524void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
525max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
526 PROTOTYPE: $ 1390 PROTOTYPE: $
527 CODE: 1391 CODE:
528 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
529 1393
530void 1394void
531aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
532 PROTOTYPE: $$$;$
533 PPCODE: 1396 PPCODE:
534{ 1397{
535 dREQ; 1398 dREQ;
536 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
537 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
538 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
539 req->ptr1 = SvPVbyte_nolen (req->sv1);
540 req->int1 = flags; 1414 req->int1 = flags;
541 req->int2 = mode; 1415 req->int2 = mode;
542 1416
543 REQ_SEND; 1417 REQ_SEND;
544} 1418}
545 1419
546void 1420void
547aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
548 PROTOTYPE: $;$
549 ALIAS: 1422 ALIAS:
550 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
551 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
552 PPCODE: 1426 PPCODE:
553{ 1427{
1428 int fd = s_fileno_croak (fh, 0);
554 dREQ; 1429 dREQ;
555 1430
556 req->type = ix; 1431 req->type = ix;
557 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
558 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1433 req->int1 = fd;
559 1434
560 REQ_SEND (req); 1435 REQ_SEND;
561} 1436}
562 1437
563void 1438void
564aio_close (SV *fh, SV *callback=&PL_sv_undef) 1439aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
565 PROTOTYPE: $;$
566 PPCODE: 1440 PPCODE:
567{ 1441{
568 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1442 int fd = s_fileno_croak (fh, 0);
569 dREQ; 1443 dREQ;
570 1444
571 if (close_pipe < 0) 1445 req->type = EIO_SYNC_FILE_RANGE;
572 { 1446 req->sv1 = newSVsv (fh);
573 int pipefd [2]; 1447 req->int1 = fd;
1448 req->offs = offset;
1449 req->size = nbytes;
1450 req->int2 = flags;
574 1451
575 if (pipe (pipefd) < 0 1452 REQ_SEND;
576 || close (pipefd [1]) < 0 1453}
577 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
578 abort (); /*D*/
579 1454
580 close_pipe = pipefd [0]; 1455void
581 } 1456aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1457 PPCODE:
1458{
1459 int fd = s_fileno_croak (fh, 0);
1460 dREQ;
1461
1462 req->type = EIO_FALLOCATE;
1463 req->sv1 = newSVsv (fh);
1464 req->int1 = fd;
1465 req->int2 = mode;
1466 req->offs = offset;
1467 req->size = len;
1468
1469 REQ_SEND;
1470}
1471
1472void
1473aio_close (SV *fh, SV *callback = &PL_sv_undef)
1474 PPCODE:
1475{
1476 int fd = s_fileno_croak (fh, 0);
1477 dREQ;
582 1478
583 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
584 req->int1 = close_pipe; 1480 req->int1 = close_fd;
585 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
586 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1482 req->int2 = fd;
587 1483
588 REQ_SEND (req); 1484 REQ_SEND;
589} 1485}
590 1486
591void 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
592aio_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)
593 ALIAS: 1505 ALIAS:
594 aio_read = EIO_READ 1506 aio_read = EIO_READ
595 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
596 PROTOTYPE: $$$$$;$
597 PPCODE: 1508 PPCODE:
598{ 1509{
599 STRLEN svlen; 1510 STRLEN svlen;
1511 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600 char *svptr = SvPVbyte (data, svlen); 1512 char *svptr = SvPVbyte (data, svlen);
601 UV len = SvUV (length); 1513 UV len = SvUV (length);
602
603 SvUPGRADE (data, SVt_PV);
604 SvPOK_on (data);
605 1514
606 if (dataoffset < 0) 1515 if (dataoffset < 0)
607 dataoffset += svlen; 1516 dataoffset += svlen;
608 1517
609 if (dataoffset < 0 || dataoffset > svlen) 1518 if (dataoffset < 0 || dataoffset > svlen)
… …
615 if (!SvOK (length) || len + dataoffset > svlen) 1524 if (!SvOK (length) || len + dataoffset > svlen)
616 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
617 } 1526 }
618 else 1527 else
619 { 1528 {
620 /* read: grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
621 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");
622 } 1534 }
623
624 if (len < 0)
625 croak ("length must not be negative");
626 1535
627 { 1536 {
628 dREQ; 1537 dREQ;
629 1538
630 req->type = ix; 1539 req->type = ix;
631 req->sv1 = newSVsv (fh); 1540 req->sv1 = newSVsv (fh);
632 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1541 req->int1 = fd;
633 : IoOFP (sv_2io (fh)));
634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1542 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635 req->size = len; 1543 req->size = len;
636 req->sv2 = SvREFCNT_inc (data); 1544 req->sv2 = SvREFCNT_inc (data);
637 req->ptr2 = (char *)svptr + dataoffset; 1545 req->ptr2 = (char *)svptr + dataoffset;
638 req->stroffset = dataoffset; 1546 req->stroffset = dataoffset;
… …
646 REQ_SEND; 1554 REQ_SEND;
647 } 1555 }
648} 1556}
649 1557
650void 1558void
651aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
652 PROTOTYPE: $$;$ 1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
653 PPCODE: 1563 PPCODE:
654{ 1564{
655 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{
656 dREQ; 1605 dREQ;
657 1606
658 req->type = EIO_READLINK; 1607 req->type = ix;
659 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
660 req->ptr1 = SvPVbyte_nolen (req->sv1);
661 1609
662 REQ_SEND; 1610 REQ_SEND;
663} 1611}
664 1612
665void 1613void
666aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV 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)
667 PROTOTYPE: $$$$;$
668 PPCODE: 1615 PPCODE:
669{ 1616{
1617 int ifd = s_fileno_croak (in_fh , 0);
1618 int ofd = s_fileno_croak (out_fh, 1);
670 dREQ; 1619 dREQ;
671 1620
672 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
673 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1623 req->int1 = ofd;
675 req->sv2 = newSVsv (in_fh); 1624 req->sv2 = newSVsv (in_fh);
676 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1625 req->int2 = ifd;
677 req->offs = SvVAL64 (in_offset); 1626 req->offs = in_offset;
678 req->size = length; 1627 req->size = length;
679 1628
680 REQ_SEND; 1629 REQ_SEND;
681} 1630}
682 1631
683void 1632void
684aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1634 PPCODE:
687{ 1635{
1636 int fd = s_fileno_croak (fh, 0);
688 dREQ; 1637 dREQ;
689 1638
690 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
691 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1641 req->int1 = fd;
693 req->offs = SvVAL64 (offset); 1642 req->offs = offset;
694 req->size = length; 1643 req->size = length;
695 1644
696 REQ_SEND; 1645 REQ_SEND;
697} 1646}
698 1647
699void 1648void
700aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
701 ALIAS: 1650 ALIAS:
702 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
703 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1653 aio_statvfs = EIO_STATVFS
704 PPCODE: 1654 PPCODE:
705{ 1655{
706 dREQ; 1656 dREQ;
707 1657
708 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
709
710 if (SvPOK (req->sv1))
711 {
712 req->type = ix;
713 req->ptr1 = SvPVbyte_nolen (req->sv1);
714 }
715 else
716 {
717 req->type = EIO_FSTAT;
718 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719 }
720 1659
721 REQ_SEND; 1660 REQ_SEND;
722} 1661}
723 1662
724void 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
725aio_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)
726 PPCODE: 1715 PPCODE:
727{ 1716{
728 dREQ; 1717 dREQ;
729 1718
730 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
731 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
732 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
733
734 if (SvPOK (req->sv1))
735 {
736 req->type = EIO_UTIME;
737 req->ptr1 = SvPVbyte_nolen (req->sv1);
738 }
739 else
740 {
741 req->type = EIO_FUTIME;
742 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743 }
744 1722
745 REQ_SEND; 1723 REQ_SEND;
746} 1724}
747 1725
748void 1726void
749aio_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)
750 PPCODE: 1728 PPCODE:
751{ 1729{
752 dREQ; 1730 dREQ;
753 1731
754 req->sv1 = newSVsv (fh_or_path);
755 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
756 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
757 if (SvPOK (req->sv1))
758 {
759 req->type = EIO_TRUNCATE;
760 req->ptr1 = SvPVbyte_nolen (req->sv1);
761 }
762 else
763 {
764 req->type = EIO_FTRUNCATE;
765 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
766 }
767 1734
768 REQ_SEND; 1735 REQ_SEND;
769} 1736}
770 1737
771void 1738void
772aio_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)
773 ALIAS:
774 aio_chmod = EIO_CHMOD
775 aio_mkdir = EIO_MKDIR
776 PPCODE: 1740 PPCODE:
777{ 1741{
778 dREQ; 1742 dREQ;
779 1743
780 req->int2 = mode; 1744 req->int2 = mode;
781 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
782
783 if (SvPOK (req->sv1))
784 {
785 req->type = ix;
786 req->ptr1 = SvPVbyte_nolen (req->sv1);
787 }
788 else
789 {
790 req->type = EIO_FCHMOD;
791 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
792 }
793 1746
794 REQ_SEND; 1747 REQ_SEND;
795} 1748}
796 1749
797void 1750void
798aio_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)
799 PPCODE: 1752 PPCODE:
800{ 1753{
801 dREQ; 1754 dREQ;
802 1755
803 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
806
807 if (SvPOK (req->sv1))
808 {
809 req->type = EIO_CHOWN;
810 req->ptr1 = SvPVbyte_nolen (req->sv1);
811 }
812 else
813 {
814 req->type = EIO_FCHOWN;
815 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816 }
817 1759
818 REQ_SEND; 1760 REQ_SEND;
819} 1761}
820 1762
821void 1763void
1764aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1765 PPCODE:
1766{
1767 dREQ;
1768
1769 req->type = EIO_READDIR;
1770 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1771
1772 if (flags & EIO_READDIR_DENTS)
1773 req->int1 |= EIO_READDIR_CUSTOM2;
1774
1775 req_set_path1 (req, pathname);
1776
1777 REQ_SEND;
1778}
1779
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
822aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
823 ALIAS: 1795 ALIAS:
824 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
825 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
826 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
827 PPCODE: 1799 PPCODE:
828{ 1800{
829 dREQ; 1801 dREQ;
830 1802
831 req->type = ix; 1803 req->type = ix;
832 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
833 req->ptr1 = SvPVbyte_nolen (req->sv1);
834 1805
835 REQ_SEND; 1806 REQ_SEND;
836} 1807}
837 1808
838void 1809void
839aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
840 ALIAS: 1811 ALIAS:
841 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
842 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
843 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
844 PPCODE: 1815 PPCODE:
845{ 1816{
1817 eio_wd wd2 = 0;
846 dREQ; 1818 dREQ;
847 1819
848 req->type = ix; 1820 req->type = ix;
849 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
850 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
851 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
852 req->ptr2 = SvPVbyte_nolen (req->sv2);
853 1824
854 REQ_SEND; 1825 REQ_SEND;
855} 1826}
856 1827
857void 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
858aio_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)
859 PPCODE: 1846 PPCODE:
860{ 1847{
861 dREQ; 1848 dREQ;
862 1849
863 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
864 req->sv1 = newSVsv (pathname);
865 req->ptr1 = SvPVbyte_nolen (req->sv1);
866 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
867 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
868 1854
869 REQ_SEND; 1855 REQ_SEND;
870} 1856}
871 1857
872void 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
873aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
874 PPCODE: 1998 PPCODE:
875{ 1999{
876 dREQ; 2000 dREQ;
877 2001
878 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
880 2004
881 REQ_SEND; 2005 REQ_SEND;
882} 2006}
883 2007
884void 2008void
885aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
886 PROTOTYPE: ;$
887 PPCODE: 2010 PPCODE:
888{ 2011{
889 dREQ; 2012 dREQ;
890 2013
891 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
892 2015
2016 PUTBACK;
893 eio_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
894 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
895} 2021}
896 2022
897void 2023void
898aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
899 ALIAS: 2025 ALIAS:
900 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
901 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
902 PPCODE: 2028 PPCODE:
903{ 2029{
… …
907 2033
908 REQ_SEND; 2034 REQ_SEND;
909} 2035}
910 2036
911int 2037int
912aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
913 PROTOTYPE: ;$
914 CODE: 2039 CODE:
915 RETVAL = next_pri; 2040 RETVAL = next_pri;
916 if (items > 0) 2041 if (items > 0)
917 { 2042 {
918 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
930 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2055 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931 next_pri = nice; 2056 next_pri = nice;
932 2057
933void 2058void
934flush () 2059flush ()
935 PROTOTYPE:
936 CODE: 2060 CODE:
937 while (eio_nreqs ()) 2061 while (eio_nreqs ())
938 { 2062 {
939 poll_wait (); 2063 poll_wait ();
940 poll_cb (); 2064 poll_cb ();
941 } 2065 }
942 2066
943int 2067int
944poll() 2068poll ()
945 PROTOTYPE:
946 CODE: 2069 CODE:
947 poll_wait (); 2070 poll_wait ();
948 RETVAL = poll_cb (); 2071 RETVAL = poll_cb ();
949 OUTPUT: 2072 OUTPUT:
950 RETVAL 2073 RETVAL
951 2074
952int 2075int
953poll_fileno() 2076poll_fileno ()
954 PROTOTYPE:
955 CODE: 2077 CODE:
956 RETVAL = respipe [0]; 2078 RETVAL = s_epipe_fd (&respipe);
957 OUTPUT: 2079 OUTPUT:
958 RETVAL 2080 RETVAL
959 2081
960int 2082int
961poll_cb(...) 2083poll_cb (...)
962 PROTOTYPE: 2084 PROTOTYPE:
963 CODE: 2085 CODE:
964 RETVAL = poll_cb (); 2086 RETVAL = poll_cb ();
965 OUTPUT: 2087 OUTPUT:
966 RETVAL 2088 RETVAL
967 2089
968void 2090void
969poll_wait() 2091poll_wait ()
970 PROTOTYPE:
971 CODE: 2092 CODE:
972 poll_wait (); 2093 poll_wait ();
973 2094
974int 2095int
975nreqs() 2096nreqs ()
976 PROTOTYPE:
977 CODE: 2097 CODE:
978 RETVAL = eio_nreqs (); 2098 RETVAL = eio_nreqs ();
979 OUTPUT: 2099 OUTPUT:
980 RETVAL 2100 RETVAL
981 2101
982int 2102int
983nready() 2103nready ()
984 PROTOTYPE:
985 CODE: 2104 CODE:
986 RETVAL = eio_nready (); 2105 RETVAL = eio_nready ();
987 OUTPUT: 2106 OUTPUT:
988 RETVAL 2107 RETVAL
989 2108
990int 2109int
991npending() 2110npending ()
992 PROTOTYPE:
993 CODE: 2111 CODE:
994 RETVAL = eio_npending (); 2112 RETVAL = eio_npending ();
995 OUTPUT: 2113 OUTPUT:
996 RETVAL 2114 RETVAL
997 2115
998int 2116int
999nthreads() 2117nthreads ()
1000 PROTOTYPE:
1001 CODE: 2118 CODE:
1002 RETVAL = eio_nthreads (); 2119 RETVAL = eio_nthreads ();
1003 OUTPUT: 2120 OUTPUT:
1004 RETVAL 2121 RETVAL
1005 2122
2123int
2124fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2125 CODE:
2126 RETVAL = posix_fadvise (fh, offset, length, advice);
2127 OUTPUT:
2128 RETVAL
2129
2130IV
2131sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2132 CODE:
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}
2482
1006void _on_next_submit (SV *cb) 2483void _on_next_submit (SV *cb)
1007 CODE: 2484 CODE:
1008 SvREFCNT_dec (on_next_submit); 2485 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2486 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010 2487
1011PROTOTYPES: DISABLE 2488PROTOTYPES: DISABLE
1012 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
1013MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2518MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1014 2519
1015void 2520void
1016cancel (aio_req_ornot req) 2521cancel (aio_req_ornot req)
1017 CODE: 2522 CODE:
1018 eio_cancel (req); 2523 eio_cancel (req);
1019 2524
1020void 2525void
1021cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2526cb (aio_req_ornot req, SV *callback = NO_INIT)
1022 CODE: 2527 PPCODE:
2528{
2529 if (GIMME_V != G_VOID)
2530 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2531
2532 if (items > 1)
2533 {
2534 SV *cb_cv = get_cb (callback);
2535
1023 SvREFCNT_dec (req->callback); 2536 SvREFCNT_dec (req->callback);
1024 req->callback = newSVsv (callback); 2537 req->callback = SvREFCNT_inc (cb_cv);
2538 }
2539}
1025 2540
1026MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2541MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027 2542
1028void 2543void
1029add (aio_req grp, ...) 2544add (aio_req grp, ...)
… …
1061 AV *av; 2576 AV *av;
1062 2577
1063 grp->errorno = errno; 2578 grp->errorno = errno;
1064 2579
1065 av = newAV (); 2580 av = newAV ();
2581 av_extend (av, items - 1);
1066 2582
1067 for (i = 1; i < items; ++i ) 2583 for (i = 1; i < items; ++i )
1068 av_push (av, newSVsv (ST (i))); 2584 av_push (av, newSVsv (ST (i)));
1069 2585
1070 SvREFCNT_dec (grp->sv1); 2586 SvREFCNT_dec (grp->sv1);
… …
1080limit (aio_req grp, int limit) 2596limit (aio_req grp, int limit)
1081 CODE: 2597 CODE:
1082 eio_grp_limit (grp, limit); 2598 eio_grp_limit (grp, limit);
1083 2599
1084void 2600void
1085feed (aio_req grp, SV *callback=&PL_sv_undef) 2601feed (aio_req grp, SV *callback = &PL_sv_undef)
1086 CODE: 2602 CODE:
1087{ 2603{
1088 SvREFCNT_dec (grp->sv2); 2604 SvREFCNT_dec (grp->sv2);
1089 grp->sv2 = newSVsv (callback); 2605 grp->sv2 = newSVsv (callback);
2606 grp->feed = aio_grp_feed;
1090 2607
1091 if (grp->int2 <= 0) 2608 if (grp->int2 <= 0)
1092 grp->int2 = 2; 2609 grp->int2 = 2;
1093 2610
1094 eio_grp_limit (grp, grp->int2); 2611 eio_grp_limit (grp, grp->int2);

Diff Legend

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