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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.117 by root, Sat May 10 20:02:09 2008 UTC vs.
Revision 1.269 by root, Thu Nov 29 21:48:44 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
37/* perl namespace pollution */
38#undef VERSION
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
18#ifdef _WIN32 46#ifdef _WIN32
19 47
20# define EIO_STRUCT_DIRENT Direntry_t
21# undef malloc
22# undef free
23
24// perl overrides all those nice win32 functions 48 // perl overrides all those nice libc functions
49
50 #undef malloc
51 #undef free
25# undef open 52 #undef open
26# undef read 53 #undef read
27# undef write 54 #undef write
28# undef send 55 #undef send
29# undef recv 56 #undef recv
30# undef stat 57 #undef stat
58 #undef lstat
31# undef fstat 59 #undef fstat
32# define lstat stat
33# undef truncate 60 #undef truncate
34# undef ftruncate 61 #undef ftruncate
35# undef open 62 #undef open
63 #undef link
36# undef close 64 #undef close
37# undef unlink 65 #undef unlink
66 #undef mkdir
38# undef rmdir 67 #undef rmdir
39# undef rename 68 #undef rename
40# 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
41 80
42# define chown(a,b,c) (errno = ENOSYS, -1) 81 #define EIO_STRUCT_STAT struct _stati64
43# define fchown(a,b,c) (errno = ENOSYS, -1) 82 #define EIO_STRUCT_STATI64
44# define fchmod(a,b) (errno = ENOSYS, -1)
45# define symlink(a,b) (errno = ENOSYS, -1)
46# define readlink(a,b,c) (errno = ENOSYS, -1)
47# define mknod(a,b,c) (errno = ENOSYS, -1)
48# define truncate(a,b) (errno = ENOSYS, -1)
49# define ftruncate(fd,o) chsize ((fd), (o))
50# define fsync(fd) _commit (fd)
51# define opendir(fd) (errno = ENOSYS, 0)
52# define readdir(fd) (errno = ENOSYS, -1)
53# define closedir(fd) (errno = ENOSYS, -1)
54# define mkdir(a,b) mkdir (a)
55 83
56#else 84#else
57 85
58# include <sys/time.h> 86 #include <sys/time.h>
59# include <sys/select.h> 87 #include <sys/select.h>
60# include <unistd.h> 88 #include <unistd.h>
61# include <utime.h> 89 #include <utime.h>
62# include <signal.h> 90 #include <signal.h>
63# define EIO_STRUCT_DIRENT struct dirent
64 91
65#endif
66
67#define EIO_STRUCT_STAT Stat_t 92 #define EIO_STRUCT_STAT Stat_t
68 93
69/* use NV for 32 bit perls as it allows larger offsets */ 94#endif
70#if IVSIZE >= 8 95
71# define SvVAL64 SvIV 96/*****************************************************************************/
97
98#if __GNUC__ >= 3
99# define expect(expr,value) __builtin_expect ((expr),(value))
72#else 100#else
73# define SvVAL64 SvNV 101# define expect(expr,value) (expr)
74#endif 102#endif
75 103
76static 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
77typedef 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 */
78 170
79#define AIO_REQ_KLASS "IO::AIO::REQ" 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
80#define AIO_GRP_KLASS "IO::AIO::GRP"
81 172
82#define EIO_COMMON \ 173#define EIO_REQ_MEMBERS \
83 SV *callback; \ 174 SV *callback; \
84 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
85 STRLEN stroffset; \ 177 STRLEN stroffset; \
86 SV *self 178 SV *self;
179
180#define EIO_NO_WRAPPERS 1
87 181
88#include "libeio/eio.h" 182#include "libeio/eio.h"
89 183
90static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
91#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
92static void aio_grp_feed (eio_req *grp);
93#define EIO_FEED(req) aio_grp_feed (req)
94static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
95#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 */
96 428
97enum { 429enum {
98 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
99}; 431};
100 432
101#include "libeio/eio.c"
102
103typedef eio_req *aio_req; 433typedef eio_req *aio_req;
104typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
105 436
106static SV *on_next_submit; 437static SV *on_next_submit;
107static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 438static int next_pri = EIO_PRI_DEFAULT;
108static int max_outstanding; 439static int max_outstanding;
109 440
110static int respipe_osf [2], respipe [2] = { -1, -1 }; 441static s_epipe respipe;
111 442
112static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
113static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
114 445
115static void want_poll (void) 446static void
447want_poll (void)
116{ 448{
117 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
118 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 450 s_epipe_signal (&respipe);
119} 451}
120 452
121static void done_poll (void) 453static void
454done_poll (void)
122{ 455{
123 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
124 char buf [4]; 457 s_epipe_drain (&respipe);
125 while (respipe_read (respipe [0], buf, 4) == 4)
126 ;
127} 458}
128 459
129/* must be called at most once */ 460/* must be called at most once */
130static SV *req_sv (aio_req req, const char *klass) 461static SV *
462req_sv (aio_req req, HV *stash)
131{ 463{
132 if (!req->self) 464 if (!req->self)
133 { 465 {
134 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
135 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
136 } 468 }
137 469
138 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
139} 471}
140 472
141static 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)
142{ 481{
143 MAGIC *mg; 482 MAGIC *mg;
144 483
145 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")))
146 croak ("object of class " AIO_REQ_KLASS " expected"); 489 croak ("object of class IO::AIO::REQ expected");
147 490
148 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
149 492
150 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
151} 494}
152 495
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
153static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
154{ 534{
155 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
156 { 536 {
157 dSP; 537 dSP;
158 538
159 ENTER; 539 ENTER;
160 SAVETMPS; 540 SAVETMPS;
161 PUSHMARK (SP); 541 PUSHMARK (SP);
162 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 542 XPUSHs (req_sv (grp, aio_grp_stash));
163 PUTBACK; 543 PUTBACK;
164 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 544 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
165 SPAGAIN; 545 SPAGAIN;
166 FREETMPS; 546 FREETMPS;
167 LEAVE; 547 LEAVE;
168 } 548 }
169} 549}
170 550
551static void
171static void req_submit (eio_req *req) 552req_submit (eio_req *req)
172{ 553{
173 eio_submit (req); 554 eio_submit (req);
174 555
175 if (on_next_submit) 556 if (expect_false (on_next_submit))
176 { 557 {
177 dSP; 558 dSP;
178 SV *cb = sv_2mortal (on_next_submit); 559 SV *cb = sv_2mortal (on_next_submit);
179 560
180 on_next_submit = 0; 561 on_next_submit = 0;
… …
183 PUTBACK; 564 PUTBACK;
184 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
185 } 566 }
186} 567}
187 568
569static int
188static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
189{ 571{
190 dSP;
191
192 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
193 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
194 574
195 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 575 if (!EIO_CANCELLED (req) && req->callback)
196 { 576 {
577 dSP;
578 static SV *sv_result_cache; /* caches the result integer SV */
579 SV *sv_result;
580
197 ENTER; 581 ENTER;
198 SAVETMPS; 582 SAVETMPS;
199 PUSHMARK (SP); 583 PUSHMARK (SP);
200 EXTEND (SP, 1); 584 EXTEND (SP, 1);
201 585
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
202 switch (req->type) 599 switch (req->type)
203 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
204 case EIO_READDIR: 605 case EIO_READDIR:
205 { 606 {
206 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
207 608
208 if (req->result >= 0) 609 if (req->result >= 0)
209 { 610 {
210 int i; 611 int i;
211 char *buf = req->ptr2; 612 char *names = (char *)req->ptr2;
613 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
212 AV *av = newAV (); 614 AV *av = newAV ();
213 615
214 av_extend (av, req->result - 1); 616 av_extend (av, req->result - 1);
215 617
216 for (i = 0; i < req->result; ++i) 618 for (i = 0; i < req->result; ++i)
217 { 619 {
218 SV *sv = newSVpv (buf, 0); 620 if (req->int1 & EIO_READDIR_DENTS)
621 {
622 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
219 623
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
220 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);
221 buf += SvCUR (sv) + 1; 652 names += SvCUR (name) + 1;
653 }
222 } 654 }
223 655
224 rv = sv_2mortal (newRV_noinc ((SV *)av)); 656 rv = sv_2mortal (newRV_noinc ((SV *)av));
225 } 657 }
226 658
227 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))));
228 } 663 }
229 break; 664 break;
230 665
231 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:
232 { 672 {
233 /* convert fd to fh */
234 SV *fh = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
235 674
675#ifndef _WIN32
236 if (req->result >= 0) 676 if (req->result >= 0)
237 { 677 {
678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
238 GV *gv = (GV *)sv_newmortal (); 679 HV *hv = newHV ();
239 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
240 char sym [64]; 681 * chooses to make it a struct.
241 int symlen;
242 682 */
243 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 683 unsigned long fsid = 0;
244 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));
245 685
246 symlen = snprintf ( 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
247 sym,
248 sizeof (sym),
249 "%s&=%d",
250 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
251 req->result
252 );
253 687
254 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
255 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);
256 } 699 }
700#endif
257 701
258 PUSHs (fh); 702 PUSHs (rv);
259 } 703 }
704
260 break; 705 break;
261 706
262 case EIO_GROUP: 707 case EIO_GROUP:
263 req->int1 = 2; /* mark group as finished */ 708 req->int1 = 2; /* mark group as finished */
264 709
… …
276 case EIO_NOP: 721 case EIO_NOP:
277 case EIO_BUSY: 722 case EIO_BUSY:
278 break; 723 break;
279 724
280 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
281 if (req->result > 0) 727 if (req->result > 0)
282 { 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
283 SvCUR_set (req->sv2, req->result);
284 *SvEND (req->sv2) = 0;
285 PUSHs (req->sv2);
286 }
287 break; 729 break;
288 730
289 case EIO_STAT: 731 case EIO_STAT:
290 case EIO_LSTAT: 732 case EIO_LSTAT:
291 case EIO_FSTAT: 733 case EIO_FSTAT:
292 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
293 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
294 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
295 PUSHs (sv_2mortal (newSViv (req->result))); 739
740 PUSHs (sv_result);
296 break; 741 break;
297 742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
745 break;
746
298 case EIO_READ: 747 case EIO_READ:
748 {
299 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));
300 *SvEND (req->sv2) = 0; 750 *SvEND (req->sv2) = 0;
301 PUSHs (sv_2mortal (newSViv (req->result))); 751 SvPOK_only (req->sv2);
752 SvSETMAGIC (req->sv2);
753 PUSHs (sv_result);
754 }
302 break; 755 break;
303 756
304 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 */
305 if (req->result > 0) 822 if (req->result > 0)
306 req->result = 0; 823 SvIV_set (sv_result, 0);
307 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
308 825
309 default: 826 default:
310 PUSHs (sv_2mortal (newSViv (req->result))); 827 PUSHs (sv_result);
311 break; 828 break;
312 } 829 }
313 830
314 errno = req->errorno; 831 errno = req->errorno;
315 832
316 PUTBACK; 833 PUTBACK;
317 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 834 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
318 SPAGAIN; 835 SPAGAIN;
319 836
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
320 FREETMPS; 842 FREETMPS;
321 LEAVE; 843 LEAVE;
322 844
323 PUTBACK; 845 PUTBACK;
324 } 846 }
325 847
326 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
327} 849}
328 850
851static void
329static void req_destroy (aio_req req) 852req_destroy (aio_req req)
330{ 853{
331 if (req->self) 854 if (req->self)
332 { 855 {
333 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
334 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
335 } 858 }
336 859
337 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
338 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
339 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
340 865
341 Safefree (req); 866 free (req);
342} 867}
343 868
869static void
344static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
345{ 871{
346 aio_req sub;
347
348 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
349 return; 873 return;
350 874
351 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
352 grp->sv2 = 0; 876 grp->sv2 = 0;
353 877
354 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
355} 879}
356 880
357#ifdef USE_SOCKETS_AS_HANDLES 881static void ecb_cold
358# define TO_SOCKET(x) (win32_get_osfhandle (x)) 882create_respipe (void)
359#else 883{
360# define TO_SOCKET(x) (x) 884 if (s_epipe_renew (&respipe))
361#endif 885 croak ("IO::AIO: unable to initialize result pipe");
886}
362 887
363static void 888static void
364create_respipe (void) 889poll_wait (void)
365{ 890{
366 int old_readfd = respipe [0];
367
368 if (respipe [1] >= 0)
369 respipe_close (TO_SOCKET (respipe [1]));
370
371#ifdef _WIN32
372 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
373#else
374 if (pipe (respipe))
375#endif
376 croak ("unable to initialize result pipe");
377
378 if (old_readfd >= 0)
379 {
380 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
381 croak ("unable to initialize result pipe(2)");
382
383 respipe_close (respipe [0]);
384 respipe [0] = old_readfd;
385 }
386
387#ifdef _WIN32
388 int arg = 1;
389 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391#else
392 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
393 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
394#endif
395 croak ("unable to initialize result pipe(3)");
396
397 respipe_osf [0] = TO_SOCKET (respipe [0]);
398 respipe_osf [1] = TO_SOCKET (respipe [1]);
399}
400
401static void poll_wait (void)
402{
403 fd_set rfd;
404
405 while (eio_nreqs ()) 891 while (eio_nreqs ())
406 { 892 {
407 int size; 893 int size;
408 894
409 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
410 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
411 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
412 898
413 if (size) 899 if (size)
414 return; 900 return;
415 901
416 maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
417 903
418 FD_ZERO (&rfd); 904 s_epipe_wait (&respipe);
419 FD_SET (respipe [0], &rfd);
420
421 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
422 } 905 }
423} 906}
424 907
425static int poll_cb (void) 908static int
909poll_cb (void)
426{ 910{
427 int res; 911 for (;;)
428
429 do
430 { 912 {
431 res = eio_poll (); 913 int res = eio_poll ();
432 914
433 if (res > 0) 915 if (res > 0)
434 croak (0); 916 croak (0);
917
918 if (!max_outstanding || max_outstanding > eio_nreqs ())
919 return res;
920
921 poll_wait ();
435 } 922 }
436 while (max_outstanding && max_outstanding <= eio_nreqs ());
437
438 return res;
439} 923}
440 924
441static void atfork_child (void) 925static void ecb_cold
926reinit (void)
442{ 927{
443 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;
444} 961}
445 962
446#define dREQ \ 963#define dREQ \
447 aio_req req; \ 964 aio_req req = dreq (callback); \
448 int req_pri = next_pri; \
449 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
450 \
451 if (SvOK (callback) && !SvROK (callback)) \
452 croak ("callback must be undef or of reference type"); \
453 \
454 Newz (0, req, 1, eio_req); \
455 if (!req) \
456 croak ("out of memory during eio_req allocation"); \
457 \
458 req->callback = newSVsv (callback); \
459 req->pri = req_pri
460 965
461#define REQ_SEND \ 966#define REQ_SEND \
967 PUTBACK; \
462 req_submit (req); \ 968 req_submit (req); \
969 SPAGAIN; \
463 \ 970 \
464 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
465 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 972 XPUSHs (req_sv (req, aio_req_stash));
466 973
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
467MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
468 1058
469PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
470 1060
471BOOT: 1061BOOT:
472{ 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
473 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);
474 1321
475 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1322 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
476 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1323 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
477 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1324
478 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1325 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
479 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1326
1327 /* allocate dummy pipe fd for aio_close */
1328 {
1329 int pipefd [2];
1330
1331 if (
480#ifdef _WIN32 1332#ifdef _WIN32
481 X_MUTEX_CHECK (wrklock); 1333 _pipe (pipefd, 1, _O_BINARY) < 0
482 X_MUTEX_CHECK (reslock);
483 X_MUTEX_CHECK (reqlock);
484 X_MUTEX_CHECK (reqwait);
485 X_MUTEX_CHECK (preadwritelock);
486 X_MUTEX_CHECK (readdirlock);
487
488 X_COND_CHECK (reqwait);
489#else 1334#else
490 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1335 pipe (pipefd) < 0
1336 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
491#endif 1337#endif
1338 || close (pipefd [1]) < 0
1339 )
1340 croak ("IO::AIO: unable to create dummy pipe for aio_close");
492 1341
493 create_respipe (); 1342 close_fd = pipefd [0];
1343 }
494 1344
495 if (eio_init (want_poll, done_poll) < 0) 1345 reinit ();
496 croak ("IO::AIO: unable to initialise eio library");
497
498 /* atfork child called in fifo order, so before eio's handler */
499 X_THREAD_ATFORK (0, 0, atfork_child);
500} 1346}
501 1347
502void 1348void
1349reinit ()
1350 PROTOTYPE:
1351
1352void
503max_poll_reqs (int nreqs) 1353max_poll_reqs (unsigned int nreqs)
504 PROTOTYPE: $ 1354 PROTOTYPE: $
505 CODE: 1355 CODE:
506 eio_set_max_poll_reqs (nreqs); 1356 eio_set_max_poll_reqs (nreqs);
507 1357
508void 1358void
… …
510 PROTOTYPE: $ 1360 PROTOTYPE: $
511 CODE: 1361 CODE:
512 eio_set_max_poll_time (nseconds); 1362 eio_set_max_poll_time (nseconds);
513 1363
514void 1364void
515min_parallel (int nthreads) 1365min_parallel (unsigned int nthreads)
516 PROTOTYPE: $ 1366 PROTOTYPE: $
517 CODE: 1367 CODE:
518 eio_set_min_parallel (nthreads); 1368 eio_set_min_parallel (nthreads);
519 1369
520void 1370void
521max_parallel (int nthreads) 1371max_parallel (unsigned int nthreads)
522 PROTOTYPE: $ 1372 PROTOTYPE: $
523 CODE: 1373 CODE:
524 eio_set_max_parallel (nthreads); 1374 eio_set_max_parallel (nthreads);
525 1375
526void 1376void
527max_idle (int nthreads) 1377max_idle (unsigned int nthreads)
528 PROTOTYPE: $ 1378 PROTOTYPE: $
529 CODE: 1379 CODE:
530 eio_set_max_idle (nthreads); 1380 eio_set_max_idle (nthreads);
531 1381
532void 1382void
1383idle_timeout (unsigned int seconds)
1384 PROTOTYPE: $
1385 CODE:
1386 eio_set_idle_timeout (seconds);
1387
1388void
533max_outstanding (int maxreqs) 1389max_outstanding (unsigned int maxreqs)
534 PROTOTYPE: $ 1390 PROTOTYPE: $
535 CODE: 1391 CODE:
536 max_outstanding = maxreqs; 1392 max_outstanding = maxreqs;
537 1393
538void 1394void
539aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1395aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
540 PROTOTYPE: $$$;$
541 PPCODE: 1396 PPCODE:
542{ 1397{
543 dREQ; 1398 dREQ;
544 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
545 req->type = EIO_OPEN; 1412 req->type = EIO_OPEN;
546 req->sv1 = newSVsv (pathname); 1413 req_set_path1 (req, pathname);
547 req->ptr1 = SvPVbyte_nolen (req->sv1);
548 req->int1 = flags; 1414 req->int1 = flags;
549 req->int2 = mode; 1415 req->int2 = mode;
550 1416
551 REQ_SEND; 1417 REQ_SEND;
552} 1418}
553 1419
554void 1420void
555aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1421aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
556 PROTOTYPE: $;$
557 ALIAS: 1422 ALIAS:
558 aio_fsync = EIO_FSYNC 1423 aio_fsync = EIO_FSYNC
559 aio_fdatasync = EIO_FDATASYNC 1424 aio_fdatasync = EIO_FDATASYNC
1425 aio_syncfs = EIO_SYNCFS
560 PPCODE: 1426 PPCODE:
561{ 1427{
1428 int fd = s_fileno_croak (fh, 0);
562 dREQ; 1429 dREQ;
563 1430
564 req->type = ix; 1431 req->type = ix;
565 req->sv1 = newSVsv (fh); 1432 req->sv1 = newSVsv (fh);
566 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1433 req->int1 = fd;
567 1434
568 REQ_SEND (req); 1435 REQ_SEND;
569} 1436}
570 1437
571void 1438void
572aio_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)
573 PROTOTYPE: $;$
574 PPCODE: 1440 PPCODE:
575{ 1441{
576 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1442 int fd = s_fileno_croak (fh, 0);
577 dREQ; 1443 dREQ;
578 1444
579 if (close_pipe < 0) 1445 req->type = EIO_SYNC_FILE_RANGE;
580 { 1446 req->sv1 = newSVsv (fh);
581 int pipefd [2]; 1447 req->int1 = fd;
1448 req->offs = offset;
1449 req->size = nbytes;
1450 req->int2 = flags;
582 1451
583 if (pipe (pipefd) < 0 1452 REQ_SEND;
584 || close (pipefd [1]) < 0 1453}
585 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
586 abort (); /*D*/
587 1454
588 close_pipe = pipefd [0]; 1455void
589 } 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;
590 1478
591 req->type = EIO_DUP2; 1479 req->type = EIO_DUP2;
592 req->int1 = close_pipe; 1480 req->int1 = close_fd;
593 req->sv2 = newSVsv (fh); 1481 req->sv2 = newSVsv (fh);
594 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1482 req->int2 = fd;
595 1483
596 REQ_SEND (req); 1484 REQ_SEND;
597} 1485}
598 1486
599void 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
600aio_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)
601 ALIAS: 1505 ALIAS:
602 aio_read = EIO_READ 1506 aio_read = EIO_READ
603 aio_write = EIO_WRITE 1507 aio_write = EIO_WRITE
604 PROTOTYPE: $$$$$;$
605 PPCODE: 1508 PPCODE:
606{ 1509{
607 STRLEN svlen; 1510 STRLEN svlen;
1511 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
608 char *svptr = SvPVbyte (data, svlen); 1512 char *svptr = SvPVbyte (data, svlen);
609 UV len = SvUV (length); 1513 UV len = SvUV (length);
610
611 SvUPGRADE (data, SVt_PV);
612 SvPOK_on (data);
613 1514
614 if (dataoffset < 0) 1515 if (dataoffset < 0)
615 dataoffset += svlen; 1516 dataoffset += svlen;
616 1517
617 if (dataoffset < 0 || dataoffset > svlen) 1518 if (dataoffset < 0 || dataoffset > svlen)
… …
623 if (!SvOK (length) || len + dataoffset > svlen) 1524 if (!SvOK (length) || len + dataoffset > svlen)
624 len = svlen - dataoffset; 1525 len = svlen - dataoffset;
625 } 1526 }
626 else 1527 else
627 { 1528 {
628 /* read: grow scalar as necessary */ 1529 /* read: check type and grow scalar as necessary */
1530 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
629 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");
630 } 1534 }
631
632 if (len < 0)
633 croak ("length must not be negative");
634 1535
635 { 1536 {
636 dREQ; 1537 dREQ;
637 1538
638 req->type = ix; 1539 req->type = ix;
639 req->sv1 = newSVsv (fh); 1540 req->sv1 = newSVsv (fh);
640 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1541 req->int1 = fd;
641 : IoOFP (sv_2io (fh)));
642 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1542 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
643 req->size = len; 1543 req->size = len;
644 req->sv2 = SvREFCNT_inc (data); 1544 req->sv2 = SvREFCNT_inc (data);
645 req->ptr2 = (char *)svptr + dataoffset; 1545 req->ptr2 = (char *)svptr + dataoffset;
646 req->stroffset = dataoffset; 1546 req->stroffset = dataoffset;
… …
654 REQ_SEND; 1554 REQ_SEND;
655 } 1555 }
656} 1556}
657 1557
658void 1558void
659aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1559aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
660 PROTOTYPE: $$;$ 1560 ALIAS:
1561 aio_ioctl = EIO_IOCTL
1562 aio_fcntl = EIO_FCNTL
661 PPCODE: 1563 PPCODE:
662{ 1564{
663 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{
664 dREQ; 1605 dREQ;
665 1606
666 data = newSV (NAME_MAX);
667 SvPOK_on (data);
668
669 req->type = EIO_READLINK; 1607 req->type = ix;
670 req->sv1 = newSVsv (path); 1608 req_set_path1 (req, pathname);
671 req->ptr1 = SvPVbyte_nolen (req->sv1);
672 req->sv2 = data;
673 req->ptr2 = SvPVbyte_nolen (data);
674 1609
675 REQ_SEND; 1610 REQ_SEND;
676} 1611}
677 1612
678void 1613void
679aio_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)
680 PROTOTYPE: $$$$;$
681 PPCODE: 1615 PPCODE:
682{ 1616{
1617 int ifd = s_fileno_croak (in_fh , 0);
1618 int ofd = s_fileno_croak (out_fh, 1);
683 dREQ; 1619 dREQ;
684 1620
685 req->type = EIO_SENDFILE; 1621 req->type = EIO_SENDFILE;
686 req->sv1 = newSVsv (out_fh); 1622 req->sv1 = newSVsv (out_fh);
687 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1623 req->int1 = ofd;
688 req->sv2 = newSVsv (in_fh); 1624 req->sv2 = newSVsv (in_fh);
689 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1625 req->int2 = ifd;
690 req->offs = SvVAL64 (in_offset); 1626 req->offs = in_offset;
691 req->size = length; 1627 req->size = length;
692 1628
693 REQ_SEND; 1629 REQ_SEND;
694} 1630}
695 1631
696void 1632void
697aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1633aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
698 PROTOTYPE: $$$;$
699 PPCODE: 1634 PPCODE:
700{ 1635{
1636 int fd = s_fileno_croak (fh, 0);
701 dREQ; 1637 dREQ;
702 1638
703 req->type = EIO_READAHEAD; 1639 req->type = EIO_READAHEAD;
704 req->sv1 = newSVsv (fh); 1640 req->sv1 = newSVsv (fh);
705 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1641 req->int1 = fd;
706 req->offs = SvVAL64 (offset); 1642 req->offs = offset;
707 req->size = length; 1643 req->size = length;
708 1644
709 REQ_SEND; 1645 REQ_SEND;
710} 1646}
711 1647
712void 1648void
713aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1649aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
714 ALIAS: 1650 ALIAS:
715 aio_stat = EIO_STAT 1651 aio_stat = EIO_STAT
716 aio_lstat = EIO_LSTAT 1652 aio_lstat = EIO_LSTAT
1653 aio_statvfs = EIO_STATVFS
717 PPCODE: 1654 PPCODE:
718{ 1655{
719 dREQ; 1656 dREQ;
720 1657
721 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); 1658 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
722 if (!req->ptr2)
723 {
724 req_destroy (req);
725 croak ("out of memory during aio_stat statdata allocation");
726 }
727
728 req->flags |= EIO_FLAG_PTR2_FREE;
729 req->sv1 = newSVsv (fh_or_path);
730
731 if (SvPOK (fh_or_path))
732 {
733 req->type = ix;
734 req->ptr1 = SvPVbyte_nolen (req->sv1);
735 }
736 else
737 {
738 req->type = EIO_FSTAT;
739 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
740 }
741 1659
742 REQ_SEND; 1660 REQ_SEND;
743} 1661}
744 1662
745void 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
746aio_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)
747 PPCODE: 1715 PPCODE:
748{ 1716{
749 dREQ; 1717 dREQ;
750 1718
751 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1719 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
752 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1720 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
753 req->sv1 = newSVsv (fh_or_path); 1721 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
754
755 if (SvPOK (fh_or_path))
756 {
757 req->type = EIO_UTIME;
758 req->ptr1 = SvPVbyte_nolen (req->sv1);
759 }
760 else
761 {
762 req->type = EIO_FUTIME;
763 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
764 }
765 1722
766 REQ_SEND; 1723 REQ_SEND;
767} 1724}
768 1725
769void 1726void
770aio_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)
771 PPCODE: 1728 PPCODE:
772{ 1729{
773 dREQ; 1730 dREQ;
774 1731
775 req->sv1 = newSVsv (fh_or_path);
776 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1732 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
777 1733 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
778 if (SvPOK (fh_or_path))
779 {
780 req->type = EIO_TRUNCATE;
781 req->ptr1 = SvPVbyte_nolen (req->sv1);
782 }
783 else
784 {
785 req->type = EIO_FTRUNCATE;
786 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
787 }
788 1734
789 REQ_SEND; 1735 REQ_SEND;
790} 1736}
791 1737
792void 1738void
793aio_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)
794 ALIAS:
795 aio_chmod = EIO_CHMOD
796 aio_fchmod = EIO_FCHMOD
797 aio_mkdir = EIO_MKDIR
798 PPCODE: 1740 PPCODE:
799{ 1741{
800 dREQ; 1742 dREQ;
801 1743
802 req->type = ix;
803 req->int2 = mode; 1744 req->int2 = mode;
804 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
805
806 if (ix == EIO_FCHMOD)
807 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
808 else
809 req->ptr1 = SvPVbyte_nolen (req->sv1);
810 1746
811 REQ_SEND; 1747 REQ_SEND;
812} 1748}
813 1749
814void 1750void
815aio_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)
816 PPCODE: 1752 PPCODE:
817{ 1753{
818 dREQ; 1754 dREQ;
819 1755
820 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1756 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
821 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1757 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
822 req->sv1 = newSVsv (fh_or_path); 1758 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
823
824 if (SvPOK (fh_or_path))
825 {
826 req->type = EIO_CHOWN;
827 req->ptr1 = SvPVbyte_nolen (req->sv1);
828 }
829 else
830 {
831 req->type = EIO_FCHOWN;
832 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
833 }
834 1759
835 REQ_SEND; 1760 REQ_SEND;
836} 1761}
837 1762
838void 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
839aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1794aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
840 ALIAS: 1795 ALIAS:
841 aio_unlink = EIO_UNLINK 1796 aio_unlink = EIO_UNLINK
842 aio_rmdir = EIO_RMDIR 1797 aio_rmdir = EIO_RMDIR
843 aio_readdir = EIO_READDIR 1798 aio_readdir = EIO_READDIR
844 PPCODE: 1799 PPCODE:
845{ 1800{
846 dREQ; 1801 dREQ;
847 1802
848 req->type = ix; 1803 req->type = ix;
849 req->sv1 = newSVsv (pathname); 1804 req_set_path1 (req, pathname);
850 req->ptr1 = SvPVbyte_nolen (req->sv1);
851 1805
852 REQ_SEND; 1806 REQ_SEND;
853} 1807}
854 1808
855void 1809void
856aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1810aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
857 ALIAS: 1811 ALIAS:
858 aio_link = EIO_LINK 1812 aio_link = EIO_LINK
859 aio_symlink = EIO_SYMLINK 1813 aio_symlink = EIO_SYMLINK
860 aio_rename = EIO_RENAME 1814 aio_rename = EIO_RENAME
861 PPCODE: 1815 PPCODE:
862{ 1816{
1817 eio_wd wd2 = 0;
863 dREQ; 1818 dREQ;
864 1819
865 req->type = ix; 1820 req->type = ix;
866 req->sv1 = newSVsv (oldpath); 1821 req_set_path1 (req, oldpath);
867 req->ptr1 = SvPVbyte_nolen (req->sv1); 1822 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
868 req->sv2 = newSVsv (newpath); 1823 req->int3 = (long)wd2;
869 req->ptr2 = SvPVbyte_nolen (req->sv2);
870 1824
871 REQ_SEND; 1825 REQ_SEND;
872} 1826}
873 1827
874void 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
875aio_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)
876 PPCODE: 1846 PPCODE:
877{ 1847{
878 dREQ; 1848 dREQ;
879 1849
880 req->type = EIO_MKNOD; 1850 req->type = EIO_MKNOD;
881 req->sv1 = newSVsv (pathname);
882 req->ptr1 = SvPVbyte_nolen (req->sv1);
883 req->int2 = (mode_t)mode; 1851 req->int2 = (mode_t)mode;
884 req->offs = dev; 1852 req->offs = dev;
1853 req_set_path1 (req, pathname);
885 1854
886 REQ_SEND; 1855 REQ_SEND;
887} 1856}
888 1857
889void 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
890aio_busy (double delay, SV *callback=&PL_sv_undef) 1997aio_busy (double delay, SV *callback = &PL_sv_undef)
891 PPCODE: 1998 PPCODE:
892{ 1999{
893 dREQ; 2000 dREQ;
894 2001
895 req->type = EIO_BUSY; 2002 req->type = EIO_BUSY;
… …
897 2004
898 REQ_SEND; 2005 REQ_SEND;
899} 2006}
900 2007
901void 2008void
902aio_group (SV *callback=&PL_sv_undef) 2009aio_group (SV *callback = &PL_sv_undef)
903 PROTOTYPE: ;$
904 PPCODE: 2010 PPCODE:
905{ 2011{
906 dREQ; 2012 dREQ;
907 2013
908 req->type = EIO_GROUP; 2014 req->type = EIO_GROUP;
909 2015
2016 PUTBACK;
910 eio_submit (req); 2017 req_submit (req);
2018 SPAGAIN;
2019
911 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2020 XPUSHs (req_sv (req, aio_grp_stash));
912} 2021}
913 2022
914void 2023void
915aio_nop (SV *callback=&PL_sv_undef) 2024aio_nop (SV *callback = &PL_sv_undef)
916 ALIAS: 2025 ALIAS:
917 aio_nop = EIO_NOP 2026 aio_nop = EIO_NOP
918 aio_sync = EIO_SYNC 2027 aio_sync = EIO_SYNC
919 PPCODE: 2028 PPCODE:
920{ 2029{
… …
924 2033
925 REQ_SEND; 2034 REQ_SEND;
926} 2035}
927 2036
928int 2037int
929aioreq_pri (int pri = 0) 2038aioreq_pri (int pri = NO_INIT)
930 PROTOTYPE: ;$
931 CODE: 2039 CODE:
932 RETVAL = next_pri - EIO_PRI_BIAS; 2040 RETVAL = next_pri;
933 if (items > 0) 2041 if (items > 0)
934 { 2042 {
935 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2043 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
936 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 2044 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
937 next_pri = pri + EIO_PRI_BIAS; 2045 next_pri = pri;
938 } 2046 }
939 OUTPUT: 2047 OUTPUT:
940 RETVAL 2048 RETVAL
941 2049
942void 2050void
943aioreq_nice (int nice = 0) 2051aioreq_nice (int nice = 0)
944 CODE: 2052 CODE:
945 nice = next_pri - nice; 2053 nice = next_pri - nice;
946 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 2054 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
947 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2055 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
948 next_pri = nice + EIO_PRI_BIAS; 2056 next_pri = nice;
949 2057
950void 2058void
951flush () 2059flush ()
952 PROTOTYPE:
953 CODE: 2060 CODE:
954 while (eio_nreqs ()) 2061 while (eio_nreqs ())
955 { 2062 {
956 poll_wait (); 2063 poll_wait ();
957 poll_cb (); 2064 poll_cb ();
958 } 2065 }
959 2066
960int 2067int
961poll() 2068poll ()
962 PROTOTYPE:
963 CODE: 2069 CODE:
964 poll_wait (); 2070 poll_wait ();
965 RETVAL = poll_cb (); 2071 RETVAL = poll_cb ();
966 OUTPUT: 2072 OUTPUT:
967 RETVAL 2073 RETVAL
968 2074
969int 2075int
970poll_fileno() 2076poll_fileno ()
971 PROTOTYPE:
972 CODE: 2077 CODE:
973 RETVAL = respipe [0]; 2078 RETVAL = s_epipe_fd (&respipe);
974 OUTPUT: 2079 OUTPUT:
975 RETVAL 2080 RETVAL
976 2081
977int 2082int
978poll_cb(...) 2083poll_cb (...)
979 PROTOTYPE: 2084 PROTOTYPE:
980 CODE: 2085 CODE:
981 RETVAL = poll_cb (); 2086 RETVAL = poll_cb ();
982 OUTPUT: 2087 OUTPUT:
983 RETVAL 2088 RETVAL
984 2089
985void 2090void
986poll_wait() 2091poll_wait ()
987 PROTOTYPE:
988 CODE: 2092 CODE:
989 poll_wait (); 2093 poll_wait ();
990 2094
991int 2095int
992nreqs() 2096nreqs ()
993 PROTOTYPE:
994 CODE: 2097 CODE:
995 RETVAL = eio_nreqs (); 2098 RETVAL = eio_nreqs ();
996 OUTPUT: 2099 OUTPUT:
997 RETVAL 2100 RETVAL
998 2101
999int 2102int
1000nready() 2103nready ()
1001 PROTOTYPE:
1002 CODE: 2104 CODE:
1003 RETVAL = eio_nready (); 2105 RETVAL = eio_nready ();
1004 OUTPUT: 2106 OUTPUT:
1005 RETVAL 2107 RETVAL
1006 2108
1007int 2109int
1008npending() 2110npending ()
1009 PROTOTYPE:
1010 CODE: 2111 CODE:
1011 RETVAL = eio_npending (); 2112 RETVAL = eio_npending ();
1012 OUTPUT: 2113 OUTPUT:
1013 RETVAL 2114 RETVAL
1014 2115
1015int 2116int
1016nthreads() 2117nthreads ()
1017 PROTOTYPE:
1018 CODE: 2118 CODE:
1019 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 2119 RETVAL = eio_nthreads ();
1020 RETVAL = started;
1021 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1022 OUTPUT: 2120 OUTPUT:
1023 RETVAL 2121 RETVAL
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 CODE:
2252 RETVAL = eio_mlockall_sync (flags);
2253 OUTPUT:
2254 RETVAL
2255
2256int
2257munlockall ()
2258 CODE:
2259#if _POSIX_MEMLOCK
2260 munlockall ();
2261#else
2262 RETVAL = EIO_ENOSYS ();
2263#endif
2264 OUTPUT:
2265 RETVAL
2266
2267int
2268splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2269 CODE:
2270{
2271#if HAVE_LINUX_SPLICE
2272 loff_t off_in_, off_out_;
2273 RETVAL = splice (
2274 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2275 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2276 length, flags
2277 );
2278#else
2279 RETVAL = EIO_ENOSYS ();
2280#endif
2281}
2282 OUTPUT:
2283 RETVAL
2284
2285int
2286tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2287 CODE:
2288#if HAVE_LINUX_SPLICE
2289 RETVAL = tee (rfh, wfh, length, flags);
2290#else
2291 RETVAL = EIO_ENOSYS ();
2292#endif
2293 OUTPUT:
2294 RETVAL
2295
2296int
2297pipesize (aio_rfd rfh, int new_size = -1)
2298 PROTOTYPE: $;$
2299 CODE:
2300#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2301 if (new_size >= 0)
2302 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2303 else
2304 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2305#else
2306 errno = ENOSYS;
2307 RETVAL = -1;
2308#endif
2309 OUTPUT:
2310 RETVAL
2311
2312void
2313pipe2 (int flags = 0)
2314 PROTOTYPE: ;$
2315 PPCODE:
2316{
2317 int fd[2];
2318 int res;
2319
2320 if (flags)
2321#if HAVE_PIPE2
2322 res = pipe2 (fd, flags);
2323#else
2324 res = (errno = ENOSYS, -1);
2325#endif
2326 else
2327 res = pipe (fd);
2328
2329 if (!res)
2330 {
2331 EXTEND (SP, 2);
2332 PUSHs (newmortalFH (fd[0], O_RDONLY));
2333 PUSHs (newmortalFH (fd[1], O_WRONLY));
2334 }
2335}
2336
2337void
2338eventfd (unsigned int initval = 0, int flags = 0)
2339 PPCODE:
2340{
2341 int fd;
2342#if HAVE_EVENTFD
2343 fd = eventfd (initval, flags);
2344#else
2345 fd = (errno = ENOSYS, -1);
2346#endif
2347
2348 XPUSHs (newmortalFH (fd, O_RDWR));
2349}
2350
2351void
2352timerfd_create (int clockid, int flags = 0)
2353 PPCODE:
2354{
2355 int fd;
2356#if HAVE_TIMERFD
2357 fd = timerfd_create (clockid, flags);
2358#else
2359 fd = (errno = ENOSYS, -1);
2360#endif
2361
2362 XPUSHs (newmortalFH (fd, O_RDWR));
2363}
2364
2365void
2366timerfd_settime (SV *fh, int flags, NV interval, NV value)
2367 PPCODE:
2368{
2369 int fd = s_fileno_croak (fh, 0);
2370#if HAVE_TIMERFD
2371 int res;
2372 struct itimerspec its, ots;
2373
2374 ts_set (&its.it_interval, interval);
2375 ts_set (&its.it_value , value);
2376 res = timerfd_settime (fd, flags, &its, &ots);
2377
2378 if (!res)
2379 {
2380 EXTEND (SP, 2);
2381 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2382 PUSHs (newSVnv (ts_get (&ots.it_value)));
2383 }
2384#else
2385 errno = ENOSYS;
2386#endif
2387}
2388
2389void
2390timerfd_gettime (SV *fh)
2391 PPCODE:
2392{
2393 int fd = s_fileno_croak (fh, 0);
2394#if HAVE_TIMERFD
2395 int res;
2396 struct itimerspec ots;
2397 res = timerfd_gettime (fd, &ots);
2398
2399 if (!res)
2400 {
2401 EXTEND (SP, 2);
2402 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2403 PUSHs (newSVnv (ts_get (&ots.it_value)));
2404 }
2405#else
2406 errno = ENOSYS;
2407#endif
2408}
2409
2410UV
2411get_fdlimit ()
2412 CODE:
2413#if HAVE_RLIMITS
2414 struct rlimit rl;
2415 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2416 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2417#endif
2418 XSRETURN_UNDEF;
2419 OUTPUT:
2420 RETVAL
2421
2422void
2423min_fdlimit (UV limit = 0x7fffffffU)
2424 CODE:
2425{
2426#if HAVE_RLIMITS
2427 struct rlimit rl;
2428 rlim_t orig_rlim_max;
2429 UV bit;
2430
2431 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2432 goto fail;
2433
2434 if (rl.rlim_cur == RLIM_INFINITY)
2435 XSRETURN_YES;
2436
2437 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2438
2439 if (rl.rlim_cur < limit)
2440 {
2441 rl.rlim_cur = limit;
2442
2443 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2444 rl.rlim_max = rl.rlim_cur;
2445 }
2446
2447 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2448 XSRETURN_YES;
2449
2450 if (errno == EPERM)
2451 {
2452 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2453 /* our limit overflows a system-wide limit */
2454 /* try an adaptive algorithm, but do not lower the hardlimit */
2455 rl.rlim_max = 0;
2456 for (bit = 0x40000000U; bit; bit >>= 1)
2457 {
2458 rl.rlim_max |= bit;
2459 rl.rlim_cur = rl.rlim_max;
2460
2461 /* nevr decrease the hard limit */
2462 if (rl.rlim_max < orig_rlim_max)
2463 break;
2464
2465 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2466 rl.rlim_max &= ~bit; /* too high, remove bit again */
2467 }
2468
2469 /* now, raise the soft limit to the max permitted */
2470 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2471 {
2472 rl.rlim_cur = rl.rlim_max;
2473 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2474 errno = EPERM;
2475 }
2476 }
2477#endif
2478 fail:
2479 XSRETURN_UNDEF;
2480}
1024 2481
1025void _on_next_submit (SV *cb) 2482void _on_next_submit (SV *cb)
1026 CODE: 2483 CODE:
1027 SvREFCNT_dec (on_next_submit); 2484 SvREFCNT_dec (on_next_submit);
1028 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2485 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1029 2486
1030PROTOTYPES: DISABLE 2487PROTOTYPES: DISABLE
1031 2488
2489MODULE = IO::AIO PACKAGE = IO::AIO::WD
2490
2491BOOT:
2492{
2493 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2494 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2495}
2496
2497void
2498DESTROY (SV *self)
2499 CODE:
2500{
2501 aio_wd wd = SvAIO_WD (self);
2502#if HAVE_AT
2503 {
2504 SV *callback = &PL_sv_undef;
2505 dREQ; /* clobbers next_pri :/ */
2506 next_pri = req->pri; /* restore next_pri */
2507 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2508 req->type = EIO_WD_CLOSE;
2509 req->wd = wd;
2510 REQ_SEND;
2511 }
2512#else
2513 eio_wd_close_sync (wd);
2514#endif
2515}
2516
1032MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2517MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1033 2518
1034void 2519void
1035cancel (aio_req_ornot req) 2520cancel (aio_req_ornot req)
1036 CODE: 2521 CODE:
1037 eio_cancel (req); 2522 eio_cancel (req);
1038 2523
1039void 2524void
1040cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2525cb (aio_req_ornot req, SV *callback = NO_INIT)
1041 CODE: 2526 PPCODE:
2527{
2528 if (GIMME_V != G_VOID)
2529 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2530
2531 if (items > 1)
2532 {
2533 SV *cb_cv = get_cb (callback);
2534
1042 SvREFCNT_dec (req->callback); 2535 SvREFCNT_dec (req->callback);
1043 req->callback = newSVsv (callback); 2536 req->callback = SvREFCNT_inc (cb_cv);
2537 }
2538}
1044 2539
1045MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2540MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1046 2541
1047void 2542void
1048add (aio_req grp, ...) 2543add (aio_req grp, ...)
… …
1080 AV *av; 2575 AV *av;
1081 2576
1082 grp->errorno = errno; 2577 grp->errorno = errno;
1083 2578
1084 av = newAV (); 2579 av = newAV ();
2580 av_extend (av, items - 1);
1085 2581
1086 for (i = 1; i < items; ++i ) 2582 for (i = 1; i < items; ++i )
1087 av_push (av, newSVsv (ST (i))); 2583 av_push (av, newSVsv (ST (i)));
1088 2584
1089 SvREFCNT_dec (grp->sv1); 2585 SvREFCNT_dec (grp->sv1);
… …
1099limit (aio_req grp, int limit) 2595limit (aio_req grp, int limit)
1100 CODE: 2596 CODE:
1101 eio_grp_limit (grp, limit); 2597 eio_grp_limit (grp, limit);
1102 2598
1103void 2599void
1104feed (aio_req grp, SV *callback=&PL_sv_undef) 2600feed (aio_req grp, SV *callback = &PL_sv_undef)
1105 CODE: 2601 CODE:
1106{ 2602{
1107 SvREFCNT_dec (grp->sv2); 2603 SvREFCNT_dec (grp->sv2);
1108 grp->sv2 = newSVsv (callback); 2604 grp->sv2 = newSVsv (callback);
2605 grp->feed = aio_grp_feed;
1109 2606
1110 if (grp->int2 <= 0) 2607 if (grp->int2 <= 0)
1111 grp->int2 = 2; 2608 grp->int2 = 2;
1112 2609
1113 eio_grp_limit (grp, grp->int2); 2610 eio_grp_limit (grp, grp->int2);

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