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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.118 by root, Sun May 11 00:01:03 2008 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 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#if HAVE_SYS_MKDEV_H
24# include <sys/mkdev.h>
25#elif HAVE_SYS_SYSMACROS_H
26# include <sys/sysmacros.h>
27#endif
28
29#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
30# include <sys/mman.h>
31#endif
32
33/* the incompetent fool that created musl keeps __linux__, refuses
34 * to implement any linux standard apis, and also has no way to test
35 * for his broken iplementation. don't complain to me if this fails
36 * for you.
37 */
38#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
39# include <linux/fs.h>
40# ifdef FS_IOC_FIEMAP
41# include <linux/types.h>
42# include <linux/fiemap.h>
43# define HAVE_FIEMAP 1
44# endif
45#endif
46
18/* perl namespace pollution */ 47/* perl namespace pollution */
19#undef VERSION 48#undef VERSION
20 49
50/* perl stupidly overrides readdir and maybe others */
51/* with thread-unsafe versions, imagine that :( */
52#undef readdir
53#undef opendir
54#undef closedir
55
21#ifdef _WIN32 56#ifdef _WIN32
22 57
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions 58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
28# undef open 62 #undef open
29# undef read 63 #undef read
30# undef write 64 #undef write
31# undef send 65 #undef send
32# undef recv 66 #undef recv
33# undef stat 67 #undef stat
68 #undef lstat
34# undef fstat 69 #undef fstat
35# define lstat stat
36# undef truncate 70 #undef truncate
37# undef ftruncate 71 #undef ftruncate
38# undef open 72 #undef open
73 #undef link
39# undef close 74 #undef close
40# undef unlink 75 #undef unlink
76 #undef mkdir
41# undef rmdir 77 #undef rmdir
42# undef rename 78 #undef rename
43# undef lseek 79 #undef lseek
80 #undef opendir
81 #undef readdir
82 #undef closedir
83 #undef chmod
84 #undef fchmod
85 #undef dup
86 #undef dup2
87 #undef abort
88 #undef pipe
89 #undef utime
44 90
45# define chown(a,b,c) (errno = ENOSYS, -1) 91 #define EIO_STRUCT_STAT struct _stati64
46# define fchown(a,b,c) (errno = ENOSYS, -1) 92 #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 93
59#else 94#else
60 95
61# include <sys/time.h> 96 #include <sys/time.h>
62# include <sys/select.h> 97 #include <sys/select.h>
63# include <unistd.h> 98 #include <unistd.h>
64# include <utime.h> 99 #include <utime.h>
65# include <signal.h> 100 #include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67 101
68#endif
69
70#define EIO_STRUCT_STAT Stat_t 102 #define EIO_STRUCT_STAT Stat_t
71 103
72/* use NV for 32 bit perls as it allows larger offsets */ 104#endif
73#if IVSIZE >= 8 105
74# define SvVAL64 SvIV 106/*****************************************************************************/
107
108#if __GNUC__ >= 3
109# define expect(expr,value) __builtin_expect ((expr),(value))
75#else 110#else
76# define SvVAL64 SvNV 111# define expect(expr,value) (expr)
77#endif 112#endif
78 113
79static HV *stash; 114#define expect_false(expr) expect ((expr) != 0, 0)
115#define expect_true(expr) expect ((expr) != 0, 1)
116
117/*****************************************************************************/
118
119#include "config.h"
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_COMMON \ 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;
179
180#define EIO_NO_WRAPPERS 1
90 181
91#include "libeio/eio.h" 182#include "libeio/eio.h"
92 183
93static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
94#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
95static void aio_grp_feed (eio_req *grp);
96#define EIO_FEED(req) aio_grp_feed (req)
97static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
98#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 */
99 428
100enum { 429enum {
101 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
102}; 431};
103 432
104#include "libeio/eio.c"
105
106typedef eio_req *aio_req; 433typedef eio_req *aio_req;
107typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
108 436
109static SV *on_next_submit; 437static SV *on_next_submit;
110static int next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; 438static int next_pri = EIO_PRI_DEFAULT;
111static int max_outstanding; 439static int max_outstanding;
112 440
113static int respipe_osf [2], respipe [2] = { -1, -1 }; 441static s_epipe respipe;
114 442
115static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
116static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
117 445
118static void want_poll (void) 446static void
447want_poll (void)
119{ 448{
120 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
121 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 450 s_epipe_signal (&respipe);
122} 451}
123 452
124static void done_poll (void) 453static void
454done_poll (void)
125{ 455{
126 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
127 char buf [4]; 457 s_epipe_drain (&respipe);
128 while (respipe_read (respipe [0], buf, 4) == 4)
129 ;
130} 458}
131 459
132/* must be called at most once */ 460/* must be called at most once */
133static SV *req_sv (aio_req req, const char *klass) 461static SV *
462req_sv (aio_req req, HV *stash)
134{ 463{
135 if (!req->self) 464 if (!req->self)
136 { 465 {
137 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
138 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
139 } 468 }
140 469
141 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
142} 471}
143 472
144static 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)
145{ 481{
146 MAGIC *mg; 482 MAGIC *mg;
147 483
148 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")))
149 croak ("object of class " AIO_REQ_KLASS " expected"); 489 croak ("object of class IO::AIO::REQ expected");
150 490
151 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
152 492
153 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
154} 494}
155 495
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
156static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
157{ 534{
158 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
159 { 536 {
160 dSP; 537 dSP;
161 538
162 ENTER; 539 ENTER;
163 SAVETMPS; 540 SAVETMPS;
164 PUSHMARK (SP); 541 PUSHMARK (SP);
165 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 542 XPUSHs (req_sv (grp, aio_grp_stash));
166 PUTBACK; 543 PUTBACK;
167 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 544 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
168 SPAGAIN; 545 SPAGAIN;
169 FREETMPS; 546 FREETMPS;
170 LEAVE; 547 LEAVE;
171 } 548 }
172} 549}
173 550
551static void
174static void req_submit (eio_req *req) 552req_submit (eio_req *req)
175{ 553{
176 eio_submit (req); 554 eio_submit (req);
177 555
178 if (on_next_submit) 556 if (expect_false (on_next_submit))
179 { 557 {
180 dSP; 558 dSP;
181 SV *cb = sv_2mortal (on_next_submit); 559 SV *cb = sv_2mortal (on_next_submit);
182 560
183 on_next_submit = 0; 561 on_next_submit = 0;
… …
186 PUTBACK; 564 PUTBACK;
187 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
188 } 566 }
189} 567}
190 568
569static int
191static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
192{ 571{
193 dSP;
194
195 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
196 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
197 574
198 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 575 if (!EIO_CANCELLED (req) && req->callback)
199 { 576 {
577 dSP;
578 static SV *sv_result_cache; /* caches the result integer SV */
579 SV *sv_result;
580
200 ENTER; 581 ENTER;
201 SAVETMPS; 582 SAVETMPS;
202 PUSHMARK (SP); 583 PUSHMARK (SP);
203 EXTEND (SP, 1); 584 EXTEND (SP, 1);
204 585
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
205 switch (req->type) 599 switch (req->type)
206 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
207 case EIO_READDIR: 605 case EIO_READDIR:
208 { 606 {
209 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
210 608
211 if (req->result >= 0) 609 if (req->result >= 0)
212 { 610 {
213 int i; 611 int i;
214 char *buf = req->ptr2; 612 char *names = (char *)req->ptr2;
613 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
215 AV *av = newAV (); 614 AV *av = newAV ();
216 615
217 av_extend (av, req->result - 1); 616 av_extend (av, req->result - 1);
218 617
219 for (i = 0; i < req->result; ++i) 618 for (i = 0; i < req->result; ++i)
220 { 619 {
221 SV *sv = newSVpv (buf, 0); 620 if (req->int1 & EIO_READDIR_DENTS)
621 {
622 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
222 623
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
223 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);
224 buf += SvCUR (sv) + 1; 652 names += SvCUR (name) + 1;
653 }
225 } 654 }
226 655
227 rv = sv_2mortal (newRV_noinc ((SV *)av)); 656 rv = sv_2mortal (newRV_noinc ((SV *)av));
228 } 657 }
229 658
230 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))));
231 } 663 }
232 break; 664 break;
233 665
234 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:
235 { 672 {
236 /* convert fd to fh */
237 SV *fh = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
238 674
675#ifndef _WIN32
239 if (req->result >= 0) 676 if (req->result >= 0)
240 { 677 {
678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
241 GV *gv = (GV *)sv_newmortal (); 679 HV *hv = newHV ();
242 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
243 char sym [64]; 681 * chooses to make it a struct.
244 int symlen;
245 682 */
246 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 683 unsigned long fsid = 0;
247 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));
248 685
249 symlen = snprintf ( 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
250 sym,
251 sizeof (sym),
252 "%s&=%d",
253 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
254 req->result
255 );
256 687
257 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
258 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);
259 } 699 }
700#endif
260 701
261 PUSHs (fh); 702 PUSHs (rv);
262 } 703 }
704
263 break; 705 break;
264 706
265 case EIO_GROUP: 707 case EIO_GROUP:
266 req->int1 = 2; /* mark group as finished */ 708 req->int1 = 2; /* mark group as finished */
267 709
… …
279 case EIO_NOP: 721 case EIO_NOP:
280 case EIO_BUSY: 722 case EIO_BUSY:
281 break; 723 break;
282 724
283 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
284 if (req->result > 0) 727 if (req->result > 0)
285 { 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
286 SvCUR_set (req->sv2, req->result);
287 *SvEND (req->sv2) = 0;
288 PUSHs (req->sv2);
289 }
290 break; 729 break;
291 730
292 case EIO_STAT: 731 case EIO_STAT:
293 case EIO_LSTAT: 732 case EIO_LSTAT:
294 case EIO_FSTAT: 733 case EIO_FSTAT:
295 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
296 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
297 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
298 PUSHs (sv_2mortal (newSViv (req->result))); 739
740 PUSHs (sv_result);
299 break; 741 break;
300 742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
745 break;
746
301 case EIO_READ: 747 case EIO_READ:
748 {
302 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));
303 *SvEND (req->sv2) = 0; 750 *SvEND (req->sv2) = 0;
304 PUSHs (sv_2mortal (newSViv (req->result))); 751 SvPOK_only (req->sv2);
752 SvSETMAGIC (req->sv2);
753 PUSHs (sv_result);
754 }
305 break; 755 break;
306 756
307 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 */
308 if (req->result > 0) 822 if (req->result > 0)
309 req->result = 0; 823 SvIV_set (sv_result, 0);
310 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
311 825
312 default: 826 default:
313 PUSHs (sv_2mortal (newSViv (req->result))); 827 PUSHs (sv_result);
314 break; 828 break;
315 } 829 }
316 830
317 errno = req->errorno; 831 errno = req->errorno;
318 832
319 PUTBACK; 833 PUTBACK;
320 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 834 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
321 SPAGAIN; 835 SPAGAIN;
322 836
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
323 FREETMPS; 842 FREETMPS;
324 LEAVE; 843 LEAVE;
325 844
326 PUTBACK; 845 PUTBACK;
327 } 846 }
328 847
329 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
330} 849}
331 850
851static void
332static void req_destroy (aio_req req) 852req_destroy (aio_req req)
333{ 853{
334 if (req->self) 854 if (req->self)
335 { 855 {
336 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
337 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
338 } 858 }
339 859
340 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
341 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
342 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
343 865
344 Safefree (req); 866 free (req);
345} 867}
346 868
869static void
347static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
348{ 871{
349 aio_req sub;
350
351 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
352 return; 873 return;
353 874
354 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
355 grp->sv2 = 0; 876 grp->sv2 = 0;
356 877
357 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
358} 879}
359 880
360#ifdef USE_SOCKETS_AS_HANDLES 881static void ecb_cold
361# define TO_SOCKET(x) (win32_get_osfhandle (x)) 882create_respipe (void)
362#else 883{
363# define TO_SOCKET(x) (x) 884 if (s_epipe_renew (&respipe))
364#endif 885 croak ("IO::AIO: unable to initialize result pipe");
886}
365 887
366static void 888static void
367create_respipe (void) 889poll_wait (void)
368{ 890{
369 int old_readfd = respipe [0];
370
371 if (respipe [1] >= 0)
372 respipe_close (TO_SOCKET (respipe [1]));
373
374#ifdef _WIN32
375 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
376#else
377 if (pipe (respipe))
378#endif
379 croak ("unable to initialize result pipe");
380
381 if (old_readfd >= 0)
382 {
383 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
384 croak ("unable to initialize result pipe(2)");
385
386 respipe_close (respipe [0]);
387 respipe [0] = old_readfd;
388 }
389
390#ifdef _WIN32
391 int arg = 1;
392 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
393 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
394#else
395 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
396 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
397#endif
398 croak ("unable to initialize result pipe(3)");
399
400 respipe_osf [0] = TO_SOCKET (respipe [0]);
401 respipe_osf [1] = TO_SOCKET (respipe [1]);
402}
403
404static void poll_wait (void)
405{
406 fd_set rfd;
407
408 while (eio_nreqs ()) 891 while (eio_nreqs ())
409 { 892 {
410 int size; 893 int size;
411 894
412 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
413 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
414 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
415 898
416 if (size) 899 if (size)
417 return; 900 return;
418 901
419 maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
420 903
421 FD_ZERO (&rfd); 904 s_epipe_wait (&respipe);
422 FD_SET (respipe [0], &rfd);
423
424 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
425 } 905 }
426} 906}
427 907
428static int poll_cb (void) 908static int
909poll_cb (void)
429{ 910{
430 int res; 911 for (;;)
431
432 do
433 { 912 {
434 res = eio_poll (); 913 int res = eio_poll ();
435 914
436 if (res > 0) 915 if (res > 0)
437 croak (0); 916 croak (0);
917
918 if (!max_outstanding || max_outstanding > eio_nreqs ())
919 return res;
920
921 poll_wait ();
438 } 922 }
439 while (max_outstanding && max_outstanding <= eio_nreqs ());
440
441 return res;
442} 923}
443 924
444static void atfork_child (void) 925static void ecb_cold
926reinit (void)
445{ 927{
446 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;
447} 961}
448 962
449#define dREQ \ 963#define dREQ \
450 aio_req req; \ 964 aio_req req = dreq (callback); \
451 int req_pri = next_pri; \
452 next_pri = EIO_DEFAULT_PRI + EIO_PRI_BIAS; \
453 \
454 if (SvOK (callback) && !SvROK (callback)) \
455 croak ("callback must be undef or of reference type"); \
456 \
457 Newz (0, req, 1, eio_req); \
458 if (!req) \
459 croak ("out of memory during eio_req allocation"); \
460 \
461 req->callback = newSVsv (callback); \
462 req->pri = req_pri
463 965
464#define REQ_SEND \ 966#define REQ_SEND \
967 PUTBACK; \
465 req_submit (req); \ 968 req_submit (req); \
969 SPAGAIN; \
466 \ 970 \
467 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
468 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 972 XPUSHs (req_sv (req, aio_req_stash));
469 973
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
470MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
471 1058
472PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
473 1060
474BOOT: 1061BOOT:
475{ 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
1279 const_eio (MS_ASYNC)
1280 const_eio (MS_INVALIDATE)
1281 const_eio (MS_SYNC)
1282
1283 const_eio (MT_MODIFY)
1284
1285 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1286 const_eio (SYNC_FILE_RANGE_WRITE)
1287 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1288
1289 const_eio (FALLOC_FL_KEEP_SIZE)
1290 const_eio (FALLOC_FL_PUNCH_HOLE)
1291 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1292 const_eio (FALLOC_FL_ZERO_RANGE)
1293 const_eio (FALLOC_FL_INSERT_RANGE)
1294 const_eio (FALLOC_FL_UNSHARE_RANGE)
1295
1296 const_eio (RENAME_NOREPLACE)
1297 const_eio (RENAME_EXCHANGE)
1298 const_eio (RENAME_WHITEOUT)
1299
1300 const_eio (READDIR_DENTS)
1301 const_eio (READDIR_DIRS_FIRST)
1302 const_eio (READDIR_STAT_ORDER)
1303 const_eio (READDIR_FOUND_UNKNOWN)
1304
1305 const_eio (DT_UNKNOWN)
1306 const_eio (DT_FIFO)
1307 const_eio (DT_CHR)
1308 const_eio (DT_DIR)
1309 const_eio (DT_BLK)
1310 const_eio (DT_REG)
1311 const_eio (DT_LNK)
1312 const_eio (DT_SOCK)
1313 const_eio (DT_WHT)
1314 };
1315
476 stash = gv_stashpv ("IO::AIO", 1); 1316 aio_stash = gv_stashpv ("IO::AIO" , 1);
1317 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1318 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1319 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
477 1320
478 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1321 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
479 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1322 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
480 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1323
481 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1324 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
482 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1325
1326 /* allocate dummy pipe fd for aio_close */
1327 {
1328 int pipefd [2];
1329
1330 if (
483#ifdef _WIN32 1331#ifdef _WIN32
484 X_MUTEX_CHECK (wrklock); 1332 _pipe (pipefd, 1, _O_BINARY) < 0
485 X_MUTEX_CHECK (reslock);
486 X_MUTEX_CHECK (reqlock);
487 X_MUTEX_CHECK (reqwait);
488 X_MUTEX_CHECK (preadwritelock);
489 X_MUTEX_CHECK (readdirlock);
490
491 X_COND_CHECK (reqwait);
492#else 1333#else
493 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1334 pipe (pipefd) < 0
1335 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
494#endif 1336#endif
1337 || close (pipefd [1]) < 0
1338 )
1339 croak ("IO::AIO: unable to create dummy pipe for aio_close");
495 1340
496 create_respipe (); 1341 close_fd = pipefd [0];
1342 }
497 1343
498 if (eio_init (want_poll, done_poll) < 0) 1344 reinit ();
499 croak ("IO::AIO: unable to initialise eio library");
500
501 /* atfork child called in fifo order, so before eio's handler */
502 X_THREAD_ATFORK (0, 0, atfork_child);
503} 1345}
504 1346
505void 1347void
1348reinit ()
1349 PROTOTYPE:
1350
1351void
506max_poll_reqs (int nreqs) 1352max_poll_reqs (unsigned int nreqs)
507 PROTOTYPE: $ 1353 PROTOTYPE: $
508 CODE: 1354 CODE:
509 eio_set_max_poll_reqs (nreqs); 1355 eio_set_max_poll_reqs (nreqs);
510 1356
511void 1357void
… …
513 PROTOTYPE: $ 1359 PROTOTYPE: $
514 CODE: 1360 CODE:
515 eio_set_max_poll_time (nseconds); 1361 eio_set_max_poll_time (nseconds);
516 1362
517void 1363void
518min_parallel (int nthreads) 1364min_parallel (unsigned int nthreads)
519 PROTOTYPE: $ 1365 PROTOTYPE: $
520 CODE: 1366 CODE:
521 eio_set_min_parallel (nthreads); 1367 eio_set_min_parallel (nthreads);
522 1368
523void 1369void
524max_parallel (int nthreads) 1370max_parallel (unsigned int nthreads)
525 PROTOTYPE: $ 1371 PROTOTYPE: $
526 CODE: 1372 CODE:
527 eio_set_max_parallel (nthreads); 1373 eio_set_max_parallel (nthreads);
528 1374
529void 1375void
530max_idle (int nthreads) 1376max_idle (unsigned int nthreads)
531 PROTOTYPE: $ 1377 PROTOTYPE: $
532 CODE: 1378 CODE:
533 eio_set_max_idle (nthreads); 1379 eio_set_max_idle (nthreads);
534 1380
535void 1381void
1382idle_timeout (unsigned int seconds)
1383 PROTOTYPE: $
1384 CODE:
1385 eio_set_idle_timeout (seconds);
1386
1387void
536max_outstanding (int maxreqs) 1388max_outstanding (unsigned int maxreqs)
537 PROTOTYPE: $ 1389 PROTOTYPE: $
538 CODE: 1390 CODE:
539 max_outstanding = maxreqs; 1391 max_outstanding = maxreqs;
540 1392
541void 1393void
542aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1394aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
543 PROTOTYPE: $$$;$
544 PPCODE: 1395 PPCODE:
545{ 1396{
546 dREQ; 1397 dREQ;
547 1398
1399 req->type = EIO_WD_OPEN;
1400 req_set_path1 (req, pathname);
1401
1402 REQ_SEND;
1403}
1404
1405void
1406aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1407 PPCODE:
1408{
1409 dREQ;
1410
548 req->type = EIO_OPEN; 1411 req->type = EIO_OPEN;
549 req->sv1 = newSVsv (pathname); 1412 req_set_path1 (req, pathname);
550 req->ptr1 = SvPVbyte_nolen (req->sv1);
551 req->int1 = flags; 1413 req->int1 = flags;
552 req->int2 = mode; 1414 req->int2 = mode;
553 1415
554 REQ_SEND; 1416 REQ_SEND;
555} 1417}
556 1418
557void 1419void
558aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1420aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
559 PROTOTYPE: $;$
560 ALIAS: 1421 ALIAS:
561 aio_fsync = EIO_FSYNC 1422 aio_fsync = EIO_FSYNC
562 aio_fdatasync = EIO_FDATASYNC 1423 aio_fdatasync = EIO_FDATASYNC
1424 aio_syncfs = EIO_SYNCFS
563 PPCODE: 1425 PPCODE:
564{ 1426{
1427 int fd = s_fileno_croak (fh, 0);
565 dREQ; 1428 dREQ;
566 1429
567 req->type = ix; 1430 req->type = ix;
568 req->sv1 = newSVsv (fh); 1431 req->sv1 = newSVsv (fh);
569 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1432 req->int1 = fd;
570 1433
571 REQ_SEND (req); 1434 REQ_SEND;
572} 1435}
573 1436
574void 1437void
575aio_close (SV *fh, SV *callback=&PL_sv_undef) 1438aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
576 PROTOTYPE: $;$
577 PPCODE: 1439 PPCODE:
578{ 1440{
579 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1441 int fd = s_fileno_croak (fh, 0);
580 dREQ; 1442 dREQ;
581 1443
582 if (close_pipe < 0) 1444 req->type = EIO_SYNC_FILE_RANGE;
583 { 1445 req->sv1 = newSVsv (fh);
584 int pipefd [2]; 1446 req->int1 = fd;
1447 req->offs = offset;
1448 req->size = nbytes;
1449 req->int2 = flags;
585 1450
586 if (pipe (pipefd) < 0 1451 REQ_SEND;
587 || close (pipefd [1]) < 0 1452}
588 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
589 abort (); /*D*/
590 1453
591 close_pipe = pipefd [0]; 1454void
592 } 1455aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1456 PPCODE:
1457{
1458 int fd = s_fileno_croak (fh, 0);
1459 dREQ;
1460
1461 req->type = EIO_FALLOCATE;
1462 req->sv1 = newSVsv (fh);
1463 req->int1 = fd;
1464 req->int2 = mode;
1465 req->offs = offset;
1466 req->size = len;
1467
1468 REQ_SEND;
1469}
1470
1471void
1472aio_close (SV *fh, SV *callback = &PL_sv_undef)
1473 PPCODE:
1474{
1475 int fd = s_fileno_croak (fh, 0);
1476 dREQ;
593 1477
594 req->type = EIO_DUP2; 1478 req->type = EIO_DUP2;
595 req->int1 = close_pipe; 1479 req->int1 = close_fd;
596 req->sv2 = newSVsv (fh); 1480 req->sv2 = newSVsv (fh);
597 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1481 req->int2 = fd;
598 1482
599 REQ_SEND (req); 1483 REQ_SEND;
600} 1484}
601 1485
602void 1486void
1487aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1488 PPCODE:
1489{
1490 int fd = s_fileno_croak (fh, 0);
1491 dREQ;
1492
1493 req->type = EIO_SEEK;
1494 req->sv1 = newSVsv (fh);
1495 req->int1 = fd;
1496 req->offs = SvVAL64 (offset);
1497 req->int2 = whence;
1498
1499 REQ_SEND;
1500}
1501
1502void
603aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1503aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
604 ALIAS: 1504 ALIAS:
605 aio_read = EIO_READ 1505 aio_read = EIO_READ
606 aio_write = EIO_WRITE 1506 aio_write = EIO_WRITE
607 PROTOTYPE: $$$$$;$
608 PPCODE: 1507 PPCODE:
609{ 1508{
610 STRLEN svlen; 1509 STRLEN svlen;
1510 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
611 char *svptr = SvPVbyte (data, svlen); 1511 char *svptr = SvPVbyte (data, svlen);
612 UV len = SvUV (length); 1512 UV len = SvUV (length);
613
614 SvUPGRADE (data, SVt_PV);
615 SvPOK_on (data);
616 1513
617 if (dataoffset < 0) 1514 if (dataoffset < 0)
618 dataoffset += svlen; 1515 dataoffset += svlen;
619 1516
620 if (dataoffset < 0 || dataoffset > svlen) 1517 if (dataoffset < 0 || dataoffset > svlen)
… …
626 if (!SvOK (length) || len + dataoffset > svlen) 1523 if (!SvOK (length) || len + dataoffset > svlen)
627 len = svlen - dataoffset; 1524 len = svlen - dataoffset;
628 } 1525 }
629 else 1526 else
630 { 1527 {
631 /* read: grow scalar as necessary */ 1528 /* read: check type and grow scalar as necessary */
1529 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
632 svptr = SvGROW (data, len + dataoffset + 1); 1530 svptr = sv_grow (data, len + dataoffset + 1);
1531 else if (SvCUR (data) < len + dataoffset)
1532 croak ("length + dataoffset outside of scalar, and cannot grow");
633 } 1533 }
634
635 if (len < 0)
636 croak ("length must not be negative");
637 1534
638 { 1535 {
639 dREQ; 1536 dREQ;
640 1537
641 req->type = ix; 1538 req->type = ix;
642 req->sv1 = newSVsv (fh); 1539 req->sv1 = newSVsv (fh);
643 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1540 req->int1 = fd;
644 : IoOFP (sv_2io (fh)));
645 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1541 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
646 req->size = len; 1542 req->size = len;
647 req->sv2 = SvREFCNT_inc (data); 1543 req->sv2 = SvREFCNT_inc (data);
648 req->ptr2 = (char *)svptr + dataoffset; 1544 req->ptr2 = (char *)svptr + dataoffset;
649 req->stroffset = dataoffset; 1545 req->stroffset = dataoffset;
… …
657 REQ_SEND; 1553 REQ_SEND;
658 } 1554 }
659} 1555}
660 1556
661void 1557void
662aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1558aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
663 PROTOTYPE: $$;$ 1559 ALIAS:
1560 aio_ioctl = EIO_IOCTL
1561 aio_fcntl = EIO_FCNTL
664 PPCODE: 1562 PPCODE:
665{ 1563{
666 SV *data; 1564 int fd = s_fileno_croak (fh, 0);
1565 char *svptr;
1566
1567 if (SvPOK (arg) || !SvNIOK (arg))
1568 {
1569 STRLEN svlen;
1570 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1571#ifdef IOCPARM_LEN
1572 STRLEN need = IOCPARM_LEN (request);
1573#else
1574 STRLEN need = 256;
1575#endif
1576
1577 if (svlen < need)
1578 svptr = SvGROW (arg, need);
1579 }
1580 else
1581 svptr = (char *)SvIV (arg);
1582
1583 {
1584 dREQ;
1585
1586 req->type = ix;
1587 req->sv1 = newSVsv (fh);
1588 req->int1 = fd;
1589 req->int2 = (long)request;
1590 req->sv2 = SvREFCNT_inc (arg);
1591 req->ptr2 = svptr;
1592
1593 REQ_SEND;
1594 }
1595}
1596
1597void
1598aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1599 ALIAS:
1600 aio_readlink = EIO_READLINK
1601 aio_realpath = EIO_REALPATH
1602 PPCODE:
1603{
667 dREQ; 1604 dREQ;
668 1605
669 data = newSV (NAME_MAX);
670 SvPOK_on (data);
671
672 req->type = EIO_READLINK; 1606 req->type = ix;
673 req->sv1 = newSVsv (path); 1607 req_set_path1 (req, pathname);
674 req->ptr1 = SvPVbyte_nolen (req->sv1);
675 req->sv2 = data;
676 req->ptr2 = SvPVbyte_nolen (data);
677 1608
678 REQ_SEND; 1609 REQ_SEND;
679} 1610}
680 1611
681void 1612void
682aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1613aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
683 PROTOTYPE: $$$$;$
684 PPCODE: 1614 PPCODE:
685{ 1615{
1616 int ifd = s_fileno_croak (in_fh , 0);
1617 int ofd = s_fileno_croak (out_fh, 1);
686 dREQ; 1618 dREQ;
687 1619
688 req->type = EIO_SENDFILE; 1620 req->type = EIO_SENDFILE;
689 req->sv1 = newSVsv (out_fh); 1621 req->sv1 = newSVsv (out_fh);
690 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1622 req->int1 = ofd;
691 req->sv2 = newSVsv (in_fh); 1623 req->sv2 = newSVsv (in_fh);
692 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1624 req->int2 = ifd;
693 req->offs = SvVAL64 (in_offset); 1625 req->offs = in_offset;
694 req->size = length; 1626 req->size = length;
695 1627
696 REQ_SEND; 1628 REQ_SEND;
697} 1629}
698 1630
699void 1631void
700aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1632aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
701 PROTOTYPE: $$$;$
702 PPCODE: 1633 PPCODE:
703{ 1634{
1635 int fd = s_fileno_croak (fh, 0);
704 dREQ; 1636 dREQ;
705 1637
706 req->type = EIO_READAHEAD; 1638 req->type = EIO_READAHEAD;
707 req->sv1 = newSVsv (fh); 1639 req->sv1 = newSVsv (fh);
708 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1640 req->int1 = fd;
709 req->offs = SvVAL64 (offset); 1641 req->offs = offset;
710 req->size = length; 1642 req->size = length;
711 1643
712 REQ_SEND; 1644 REQ_SEND;
713} 1645}
714 1646
715void 1647void
716aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1648aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
717 ALIAS: 1649 ALIAS:
718 aio_stat = EIO_STAT 1650 aio_stat = EIO_STAT
719 aio_lstat = EIO_LSTAT 1651 aio_lstat = EIO_LSTAT
1652 aio_statvfs = EIO_STATVFS
720 PPCODE: 1653 PPCODE:
721{ 1654{
722 dREQ; 1655 dREQ;
723 1656
724 req->ptr2 = malloc (sizeof (EIO_STRUCT_STAT)); 1657 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
725 if (!req->ptr2)
726 {
727 req_destroy (req);
728 croak ("out of memory during aio_stat statdata allocation");
729 }
730
731 req->flags |= EIO_FLAG_PTR2_FREE;
732 req->sv1 = newSVsv (fh_or_path);
733
734 if (SvPOK (fh_or_path))
735 {
736 req->type = ix;
737 req->ptr1 = SvPVbyte_nolen (req->sv1);
738 }
739 else
740 {
741 req->type = EIO_FSTAT;
742 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743 }
744 1658
745 REQ_SEND; 1659 REQ_SEND;
746} 1660}
747 1661
748void 1662void
1663st_xtime ()
1664 ALIAS:
1665 st_atime = 0x01
1666 st_mtime = 0x02
1667 st_ctime = 0x04
1668 st_btime = 0x08
1669 st_xtime = 0x0f
1670 PPCODE:
1671 EXTEND (SP, 4);
1672 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1673 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1674 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1675 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1676
1677void
1678st_xtimensec ()
1679 ALIAS:
1680 st_atimensec = 0x01
1681 st_mtimensec = 0x02
1682 st_ctimensec = 0x04
1683 st_btimensec = 0x08
1684 st_xtimensec = 0x0f
1685 st_btimesec = 0x10
1686 st_gen = 0x20
1687 PPCODE:
1688 EXTEND (SP, 4);
1689 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1690 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1691 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1692 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1693 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1694 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1695
1696UV
1697major (UV dev)
1698 ALIAS:
1699 minor = 1
1700 CODE:
1701 RETVAL = ix ? minor (dev) : major (dev);
1702 OUTPUT:
1703 RETVAL
1704
1705UV
1706makedev (UV maj, UV min)
1707 CODE:
1708 RETVAL = makedev (maj, min);
1709 OUTPUT:
1710 RETVAL
1711
1712void
749aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1713aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
750 PPCODE: 1714 PPCODE:
751{ 1715{
752 dREQ; 1716 dREQ;
753 1717
754 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1718 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
755 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1719 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
756 req->sv1 = newSVsv (fh_or_path); 1720 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
757
758 if (SvPOK (fh_or_path))
759 {
760 req->type = EIO_UTIME;
761 req->ptr1 = SvPVbyte_nolen (req->sv1);
762 }
763 else
764 {
765 req->type = EIO_FUTIME;
766 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
767 }
768 1721
769 REQ_SEND; 1722 REQ_SEND;
770} 1723}
771 1724
772void 1725void
773aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1726aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
774 PPCODE: 1727 PPCODE:
775{ 1728{
776 dREQ; 1729 dREQ;
777 1730
778 req->sv1 = newSVsv (fh_or_path);
779 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1731 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
780 1732 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
781 if (SvPOK (fh_or_path))
782 {
783 req->type = EIO_TRUNCATE;
784 req->ptr1 = SvPVbyte_nolen (req->sv1);
785 }
786 else
787 {
788 req->type = EIO_FTRUNCATE;
789 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
790 }
791 1733
792 REQ_SEND; 1734 REQ_SEND;
793} 1735}
794 1736
795void 1737void
796aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1738aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
797 ALIAS:
798 aio_chmod = EIO_CHMOD
799 aio_fchmod = EIO_FCHMOD
800 aio_mkdir = EIO_MKDIR
801 PPCODE: 1739 PPCODE:
802{ 1740{
803 dREQ; 1741 dREQ;
804 1742
805 req->type = ix;
806 req->int2 = mode; 1743 req->int2 = mode;
807 req->sv1 = newSVsv (fh_or_path); 1744 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
808
809 if (ix == EIO_FCHMOD)
810 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
811 else
812 req->ptr1 = SvPVbyte_nolen (req->sv1);
813 1745
814 REQ_SEND; 1746 REQ_SEND;
815} 1747}
816 1748
817void 1749void
818aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1750aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
819 PPCODE: 1751 PPCODE:
820{ 1752{
821 dREQ; 1753 dREQ;
822 1754
823 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1755 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
824 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1756 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
825 req->sv1 = newSVsv (fh_or_path); 1757 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
826
827 if (SvPOK (fh_or_path))
828 {
829 req->type = EIO_CHOWN;
830 req->ptr1 = SvPVbyte_nolen (req->sv1);
831 }
832 else
833 {
834 req->type = EIO_FCHOWN;
835 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
836 }
837 1758
838 REQ_SEND; 1759 REQ_SEND;
839} 1760}
840 1761
841void 1762void
1763aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1764 PPCODE:
1765{
1766 dREQ;
1767
1768 req->type = EIO_READDIR;
1769 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1770
1771 if (flags & EIO_READDIR_DENTS)
1772 req->int1 |= EIO_READDIR_CUSTOM2;
1773
1774 req_set_path1 (req, pathname);
1775
1776 REQ_SEND;
1777}
1778
1779void
1780aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1781 PPCODE:
1782{
1783 dREQ;
1784
1785 req->type = EIO_MKDIR;
1786 req->int2 = mode;
1787 req_set_path1 (req, pathname);
1788
1789 REQ_SEND;
1790}
1791
1792void
842aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1793aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
843 ALIAS: 1794 ALIAS:
844 aio_unlink = EIO_UNLINK 1795 aio_unlink = EIO_UNLINK
845 aio_rmdir = EIO_RMDIR 1796 aio_rmdir = EIO_RMDIR
846 aio_readdir = EIO_READDIR 1797 aio_readdir = EIO_READDIR
847 PPCODE: 1798 PPCODE:
848{ 1799{
849 dREQ; 1800 dREQ;
850 1801
851 req->type = ix; 1802 req->type = ix;
852 req->sv1 = newSVsv (pathname); 1803 req_set_path1 (req, pathname);
853 req->ptr1 = SvPVbyte_nolen (req->sv1);
854 1804
855 REQ_SEND; 1805 REQ_SEND;
856} 1806}
857 1807
858void 1808void
859aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1809aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
860 ALIAS: 1810 ALIAS:
861 aio_link = EIO_LINK 1811 aio_link = EIO_LINK
862 aio_symlink = EIO_SYMLINK 1812 aio_symlink = EIO_SYMLINK
863 aio_rename = EIO_RENAME 1813 aio_rename = EIO_RENAME
864 PPCODE: 1814 PPCODE:
865{ 1815{
1816 eio_wd wd2 = 0;
866 dREQ; 1817 dREQ;
867 1818
868 req->type = ix; 1819 req->type = ix;
869 req->sv1 = newSVsv (oldpath); 1820 req_set_path1 (req, oldpath);
870 req->ptr1 = SvPVbyte_nolen (req->sv1); 1821 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
871 req->sv2 = newSVsv (newpath); 1822 req->int3 = (long)wd2;
872 req->ptr2 = SvPVbyte_nolen (req->sv2);
873 1823
874 REQ_SEND; 1824 REQ_SEND;
875} 1825}
876 1826
877void 1827void
1828aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1829 PPCODE:
1830{
1831 eio_wd wd2 = 0;
1832 dREQ;
1833
1834 req->type = EIO_RENAME;
1835 req_set_path1 (req, oldpath);
1836 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1837 req->int2 = flags;
1838 req->int3 = (long)wd2;
1839
1840 REQ_SEND;
1841}
1842
1843void
878aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1844aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
879 PPCODE: 1845 PPCODE:
880{ 1846{
881 dREQ; 1847 dREQ;
882 1848
883 req->type = EIO_MKNOD; 1849 req->type = EIO_MKNOD;
884 req->sv1 = newSVsv (pathname);
885 req->ptr1 = SvPVbyte_nolen (req->sv1);
886 req->int2 = (mode_t)mode; 1850 req->int2 = (mode_t)mode;
887 req->offs = dev; 1851 req->offs = dev;
1852 req_set_path1 (req, pathname);
888 1853
889 REQ_SEND; 1854 REQ_SEND;
890} 1855}
891 1856
892void 1857void
1858aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1859 ALIAS:
1860 aio_mtouch = EIO_MTOUCH
1861 aio_msync = EIO_MSYNC
1862 PPCODE:
1863{
1864 STRLEN svlen;
1865 char *svptr = SvPVbyte (data, svlen);
1866 UV len = SvUV (length);
1867
1868 if (flags < 0)
1869 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1870
1871 if (offset < 0)
1872 offset += svlen;
1873
1874 if (offset < 0 || offset > svlen)
1875 croak ("offset outside of scalar");
1876
1877 if (!SvOK (length) || len + offset > svlen)
1878 len = svlen - offset;
1879
1880 {
1881 dREQ;
1882
1883 req->type = ix;
1884 req->sv2 = SvREFCNT_inc (data);
1885 req->ptr2 = (char *)svptr + offset;
1886 req->size = len;
1887 req->int1 = flags;
1888
1889 REQ_SEND;
1890 }
1891}
1892
1893void
1894aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1895 PPCODE:
1896{
1897 STRLEN svlen;
1898 char *svptr = SvPVbyte (data, svlen);
1899 UV len = SvUV (length);
1900
1901 if (offset < 0)
1902 offset += svlen;
1903
1904 if (offset < 0 || offset > svlen)
1905 croak ("offset outside of scalar");
1906
1907 if (!SvOK (length) || len + offset > svlen)
1908 len = svlen - offset;
1909
1910 {
1911 dREQ;
1912
1913 req->type = EIO_MLOCK;
1914 req->sv2 = SvREFCNT_inc (data);
1915 req->ptr2 = (char *)svptr + offset;
1916 req->size = len;
1917
1918 REQ_SEND;
1919 }
1920}
1921
1922void
1923aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1924 PPCODE:
1925{
1926 dREQ;
1927
1928 req->type = EIO_MLOCKALL;
1929 req->int1 = flags;
1930
1931 REQ_SEND;
1932}
1933
1934void
1935aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1936 PPCODE:
1937{
1938 int fd = s_fileno_croak (fh, 0);
1939 dREQ;
1940
1941 req->type = EIO_CUSTOM;
1942 req->sv1 = newSVsv (fh);
1943 req->int1 = fd;
1944
1945 req->feed = fiemap;
1946#if HAVE_FIEMAP
1947 /* keep our fingers crossed that the next two types are 64 bit */
1948 req->offs = start;
1949 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1950 req->int2 = flags;
1951 req->int3 = SvOK (count) ? SvIV (count) : -1;
1952#endif
1953
1954 REQ_SEND;
1955}
1956
1957void
1958aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1959 PPCODE:
1960{
1961 char *svptr = 0;
1962
1963 sv_clear_foreign (data);
1964
1965 if (length) /* known length, directly read into scalar */
1966 {
1967 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1968 svptr = sv_grow (data, length + 1);
1969 else if (SvCUR (data) < length)
1970 croak ("length outside of scalar, and cannot grow");
1971 else
1972 svptr = SvPVbyte_nolen (data);
1973 }
1974
1975 {
1976 dREQ;
1977
1978 req->type = EIO_SLURP;
1979 req_set_path1 (req, pathname);
1980 req->offs = offset;
1981 req->size = length;
1982 req->sv2 = SvREFCNT_inc (data);
1983 req->ptr2 = svptr;
1984
1985 if (!SvREADONLY (data))
1986 {
1987 SvREADONLY_on (data);
1988 req->flags |= FLAG_SV2_RO_OFF;
1989 }
1990
1991 REQ_SEND;
1992 }
1993}
1994
1995void
893aio_busy (double delay, SV *callback=&PL_sv_undef) 1996aio_busy (double delay, SV *callback = &PL_sv_undef)
894 PPCODE: 1997 PPCODE:
895{ 1998{
896 dREQ; 1999 dREQ;
897 2000
898 req->type = EIO_BUSY; 2001 req->type = EIO_BUSY;
… …
900 2003
901 REQ_SEND; 2004 REQ_SEND;
902} 2005}
903 2006
904void 2007void
905aio_group (SV *callback=&PL_sv_undef) 2008aio_group (SV *callback = &PL_sv_undef)
906 PROTOTYPE: ;$
907 PPCODE: 2009 PPCODE:
908{ 2010{
909 dREQ; 2011 dREQ;
910 2012
911 req->type = EIO_GROUP; 2013 req->type = EIO_GROUP;
912 2014
2015 PUTBACK;
913 eio_submit (req); 2016 req_submit (req);
2017 SPAGAIN;
2018
914 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2019 XPUSHs (req_sv (req, aio_grp_stash));
915} 2020}
916 2021
917void 2022void
918aio_nop (SV *callback=&PL_sv_undef) 2023aio_nop (SV *callback = &PL_sv_undef)
919 ALIAS: 2024 ALIAS:
920 aio_nop = EIO_NOP 2025 aio_nop = EIO_NOP
921 aio_sync = EIO_SYNC 2026 aio_sync = EIO_SYNC
922 PPCODE: 2027 PPCODE:
923{ 2028{
… …
927 2032
928 REQ_SEND; 2033 REQ_SEND;
929} 2034}
930 2035
931int 2036int
932aioreq_pri (int pri = 0) 2037aioreq_pri (int pri = NO_INIT)
933 PROTOTYPE: ;$
934 CODE: 2038 CODE:
935 RETVAL = next_pri - EIO_PRI_BIAS; 2039 RETVAL = next_pri;
936 if (items > 0) 2040 if (items > 0)
937 { 2041 {
938 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2042 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
939 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX; 2043 if (pri > EIO_PRI_MAX) pri = EIO_PRI_MAX;
940 next_pri = pri + EIO_PRI_BIAS; 2044 next_pri = pri;
941 } 2045 }
942 OUTPUT: 2046 OUTPUT:
943 RETVAL 2047 RETVAL
944 2048
945void 2049void
946aioreq_nice (int nice = 0) 2050aioreq_nice (int nice = 0)
947 CODE: 2051 CODE:
948 nice = next_pri - nice; 2052 nice = next_pri - nice;
949 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN; 2053 if (nice < EIO_PRI_MIN) nice = EIO_PRI_MIN;
950 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2054 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
951 next_pri = nice + EIO_PRI_BIAS; 2055 next_pri = nice;
952 2056
953void 2057void
954flush () 2058flush ()
955 PROTOTYPE:
956 CODE: 2059 CODE:
957 while (eio_nreqs ()) 2060 while (eio_nreqs ())
958 { 2061 {
959 poll_wait (); 2062 poll_wait ();
960 poll_cb (); 2063 poll_cb ();
961 } 2064 }
962 2065
963int 2066int
964poll() 2067poll ()
965 PROTOTYPE:
966 CODE: 2068 CODE:
967 poll_wait (); 2069 poll_wait ();
968 RETVAL = poll_cb (); 2070 RETVAL = poll_cb ();
969 OUTPUT: 2071 OUTPUT:
970 RETVAL 2072 RETVAL
971 2073
972int 2074int
973poll_fileno() 2075poll_fileno ()
974 PROTOTYPE:
975 CODE: 2076 CODE:
976 RETVAL = respipe [0]; 2077 RETVAL = s_epipe_fd (&respipe);
977 OUTPUT: 2078 OUTPUT:
978 RETVAL 2079 RETVAL
979 2080
980int 2081int
981poll_cb(...) 2082poll_cb (...)
982 PROTOTYPE: 2083 PROTOTYPE:
983 CODE: 2084 CODE:
984 RETVAL = poll_cb (); 2085 RETVAL = poll_cb ();
985 OUTPUT: 2086 OUTPUT:
986 RETVAL 2087 RETVAL
987 2088
988void 2089void
989poll_wait() 2090poll_wait ()
990 PROTOTYPE:
991 CODE: 2091 CODE:
992 poll_wait (); 2092 poll_wait ();
993 2093
994int 2094int
995nreqs() 2095nreqs ()
996 PROTOTYPE:
997 CODE: 2096 CODE:
998 RETVAL = eio_nreqs (); 2097 RETVAL = eio_nreqs ();
999 OUTPUT: 2098 OUTPUT:
1000 RETVAL 2099 RETVAL
1001 2100
1002int 2101int
1003nready() 2102nready ()
1004 PROTOTYPE:
1005 CODE: 2103 CODE:
1006 RETVAL = eio_nready (); 2104 RETVAL = eio_nready ();
1007 OUTPUT: 2105 OUTPUT:
1008 RETVAL 2106 RETVAL
1009 2107
1010int 2108int
1011npending() 2109npending ()
1012 PROTOTYPE:
1013 CODE: 2110 CODE:
1014 RETVAL = eio_npending (); 2111 RETVAL = eio_npending ();
1015 OUTPUT: 2112 OUTPUT:
1016 RETVAL 2113 RETVAL
1017 2114
1018int 2115int
1019nthreads() 2116nthreads ()
1020 PROTOTYPE:
1021 CODE: 2117 CODE:
1022 if (WORDACCESS_UNSAFE) X_LOCK (wrklock); 2118 RETVAL = eio_nthreads ();
1023 RETVAL = started;
1024 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1025 OUTPUT: 2119 OUTPUT:
1026 RETVAL 2120 RETVAL
2121
2122int
2123fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2124 CODE:
2125 RETVAL = posix_fadvise (fh, offset, length, advice);
2126 OUTPUT:
2127 RETVAL
2128
2129IV
2130sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2131 CODE:
2132 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2133 OUTPUT:
2134 RETVAL
2135
2136void
2137mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2138 PPCODE:
2139 sv_clear_foreign (scalar);
2140{
2141 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2142 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2143 if (addr == (void *)-1)
2144 XSRETURN_NO;
2145
2146 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2147
2148 if (!(prot & PROT_WRITE))
2149 SvREADONLY_on (scalar);
2150
2151 XSRETURN_YES;
2152}
2153
2154void
2155munmap (SV *scalar)
2156 CODE:
2157 sv_clear_foreign (scalar);
2158
2159SV *
2160mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2161 CODE:
2162{
2163 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2164 void *new;
2165
2166 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2167 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2168
2169 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2170
2171 RETVAL = &PL_sv_no;
2172
2173 if (new != (void *)-1)
2174 {
2175 RETVAL = new == (void *)mg->mg_ptr
2176 ? newSVpvn ("0 but true", 10)
2177 : &PL_sv_yes;
2178
2179 mg->mg_ptr = (char *)new;
2180 mg->mg_obj = (SV *)new_length;
2181
2182 SvPVX (scalar) = mg->mg_ptr;
2183 SvCUR_set (scalar, new_length);
2184 }
2185}
2186 OUTPUT:
2187 RETVAL
2188
2189int
2190madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2191 ALIAS:
2192 mprotect = 1
2193 CODE:
2194{
2195 STRLEN svlen;
2196 void *addr = SvPVbyte (scalar, svlen);
2197 STRLEN len = SvUV (length);
2198
2199 if (offset < 0)
2200 offset += svlen;
2201
2202 if (offset < 0 || offset > svlen)
2203 croak ("offset outside of scalar");
2204
2205 if (!SvOK (length) || len + offset > svlen)
2206 len = svlen - offset;
2207
2208 addr = (void *)(((intptr_t)addr) + offset);
2209 eio_page_align (&addr, &len);
2210
2211 switch (ix)
2212 {
2213 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2214 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2215 }
2216}
2217 OUTPUT:
2218 RETVAL
2219
2220int
2221munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2222 CODE:
2223{
2224 STRLEN svlen;
2225 void *addr = SvPVbyte (scalar, svlen);
2226 size_t len = SvUV (length);
2227
2228 if (offset < 0)
2229 offset += svlen;
2230
2231 if (offset < 0 || offset > svlen)
2232 croak ("offset outside of scalar");
2233
2234 if (!SvOK (length) || len + offset > svlen)
2235 len = svlen - offset;
2236
2237 addr = (void *)(((intptr_t)addr) + offset);
2238 eio_page_align (&addr, &len);
2239#if _POSIX_MEMLOCK_RANGE
2240 RETVAL = munlock (addr, len);
2241#else
2242 RETVAL = EIO_ENOSYS ();
2243#endif
2244}
2245 OUTPUT:
2246 RETVAL
2247
2248int
2249munlockall ()
2250 CODE:
2251#if _POSIX_MEMLOCK
2252 munlockall ();
2253#else
2254 RETVAL = EIO_ENOSYS ();
2255#endif
2256 OUTPUT:
2257 RETVAL
2258
2259int
2260splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2261 CODE:
2262{
2263#if HAVE_LINUX_SPLICE
2264 loff_t off_in_, off_out_;
2265 RETVAL = splice (
2266 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2267 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2268 length, flags
2269 );
2270#else
2271 RETVAL = EIO_ENOSYS ();
2272#endif
2273}
2274 OUTPUT:
2275 RETVAL
2276
2277int
2278tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2279 CODE:
2280#if HAVE_LINUX_SPLICE
2281 RETVAL = tee (rfh, wfh, length, flags);
2282#else
2283 RETVAL = EIO_ENOSYS ();
2284#endif
2285 OUTPUT:
2286 RETVAL
2287
2288int
2289pipesize (aio_rfd rfh, int new_size = -1)
2290 PROTOTYPE: $;$
2291 CODE:
2292#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2293 if (new_size >= 0)
2294 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2295 else
2296 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2297#else
2298 errno = ENOSYS;
2299 RETVAL = -1;
2300#endif
2301 OUTPUT:
2302 RETVAL
2303
2304void
2305pipe2 (int flags = 0)
2306 PROTOTYPE: ;$
2307 PPCODE:
2308{
2309 int fd[2];
2310 int res;
2311
2312 if (flags)
2313#if HAVE_PIPE2
2314 res = pipe2 (fd, flags);
2315#else
2316 res = (errno = ENOSYS, -1);
2317#endif
2318 else
2319 res = pipe (fd);
2320
2321 if (!res)
2322 {
2323 EXTEND (SP, 2);
2324 PUSHs (newmortalFH (fd[0], O_RDONLY));
2325 PUSHs (newmortalFH (fd[1], O_WRONLY));
2326 }
2327}
2328
2329void
2330eventfd (unsigned int initval = 0, int flags = 0)
2331 PPCODE:
2332{
2333 int fd;
2334#if HAVE_EVENTFD
2335 fd = eventfd (initval, flags);
2336#else
2337 fd = (errno = ENOSYS, -1);
2338#endif
2339
2340 XPUSHs (newmortalFH (fd, O_RDWR));
2341}
2342
2343void
2344timerfd_create (int clockid, int flags = 0)
2345 PPCODE:
2346{
2347 int fd;
2348#if HAVE_TIMERFD
2349 fd = timerfd_create (clockid, flags);
2350#else
2351 fd = (errno = ENOSYS, -1);
2352#endif
2353
2354 XPUSHs (newmortalFH (fd, O_RDWR));
2355}
2356
2357void
2358timerfd_settime (SV *fh, int flags, NV interval, NV value)
2359 PPCODE:
2360{
2361 int fd = s_fileno_croak (fh, 0);
2362#if HAVE_TIMERFD
2363 int res;
2364 struct itimerspec its, ots;
2365
2366 ts_set (&its.it_interval, interval);
2367 ts_set (&its.it_value , value);
2368 res = timerfd_settime (fd, flags, &its, &ots);
2369
2370 if (!res)
2371 {
2372 EXTEND (SP, 2);
2373 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2374 PUSHs (newSVnv (ts_get (&ots.it_value)));
2375 }
2376#else
2377 errno = ENOSYS;
2378#endif
2379}
2380
2381void
2382timerfd_gettime (SV *fh)
2383 PPCODE:
2384{
2385 int fd = s_fileno_croak (fh, 0);
2386#if HAVE_TIMERFD
2387 int res;
2388 struct itimerspec ots;
2389 res = timerfd_gettime (fd, &ots);
2390
2391 if (!res)
2392 {
2393 EXTEND (SP, 2);
2394 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2395 PUSHs (newSVnv (ts_get (&ots.it_value)));
2396 }
2397#else
2398 errno = ENOSYS;
2399#endif
2400}
2401
2402UV
2403get_fdlimit ()
2404 CODE:
2405#if HAVE_RLIMITS
2406 struct rlimit rl;
2407 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2408 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2409#endif
2410 XSRETURN_UNDEF;
2411 OUTPUT:
2412 RETVAL
2413
2414void
2415min_fdlimit (UV limit = 0x7fffffffU)
2416 CODE:
2417{
2418#if HAVE_RLIMITS
2419 struct rlimit rl;
2420 rlim_t orig_rlim_max;
2421 UV bit;
2422
2423 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2424 goto fail;
2425
2426 if (rl.rlim_cur == RLIM_INFINITY)
2427 XSRETURN_YES;
2428
2429 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2430
2431 if (rl.rlim_cur < limit)
2432 {
2433 rl.rlim_cur = limit;
2434
2435 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2436 rl.rlim_max = rl.rlim_cur;
2437 }
2438
2439 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2440 XSRETURN_YES;
2441
2442 if (errno == EPERM)
2443 {
2444 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2445 /* our limit overflows a system-wide limit */
2446 /* try an adaptive algorithm, but do not lower the hardlimit */
2447 rl.rlim_max = 0;
2448 for (bit = 0x40000000U; bit; bit >>= 1)
2449 {
2450 rl.rlim_max |= bit;
2451 rl.rlim_cur = rl.rlim_max;
2452
2453 /* nevr decrease the hard limit */
2454 if (rl.rlim_max < orig_rlim_max)
2455 break;
2456
2457 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2458 rl.rlim_max &= ~bit; /* too high, remove bit again */
2459 }
2460
2461 /* now, raise the soft limit to the max permitted */
2462 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2463 {
2464 rl.rlim_cur = rl.rlim_max;
2465 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2466 errno = EPERM;
2467 }
2468 }
2469#endif
2470 fail:
2471 XSRETURN_UNDEF;
2472}
1027 2473
1028void _on_next_submit (SV *cb) 2474void _on_next_submit (SV *cb)
1029 CODE: 2475 CODE:
1030 SvREFCNT_dec (on_next_submit); 2476 SvREFCNT_dec (on_next_submit);
1031 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2477 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1032 2478
1033PROTOTYPES: DISABLE 2479PROTOTYPES: DISABLE
1034 2480
2481MODULE = IO::AIO PACKAGE = IO::AIO::WD
2482
2483BOOT:
2484{
2485 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2486 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2487}
2488
2489void
2490DESTROY (SV *self)
2491 CODE:
2492{
2493 aio_wd wd = SvAIO_WD (self);
2494#if HAVE_AT
2495 {
2496 SV *callback = &PL_sv_undef;
2497 dREQ; /* clobbers next_pri :/ */
2498 next_pri = req->pri; /* restore next_pri */
2499 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2500 req->type = EIO_WD_CLOSE;
2501 req->wd = wd;
2502 REQ_SEND;
2503 }
2504#else
2505 eio_wd_close_sync (wd);
2506#endif
2507}
2508
1035MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2509MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1036 2510
1037void 2511void
1038cancel (aio_req_ornot req) 2512cancel (aio_req_ornot req)
1039 CODE: 2513 CODE:
1040 eio_cancel (req); 2514 eio_cancel (req);
1041 2515
1042void 2516void
1043cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2517cb (aio_req_ornot req, SV *callback = NO_INIT)
1044 CODE: 2518 PPCODE:
2519{
2520 if (GIMME_V != G_VOID)
2521 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2522
2523 if (items > 1)
2524 {
2525 SV *cb_cv = get_cb (callback);
2526
1045 SvREFCNT_dec (req->callback); 2527 SvREFCNT_dec (req->callback);
1046 req->callback = newSVsv (callback); 2528 req->callback = SvREFCNT_inc (cb_cv);
2529 }
2530}
1047 2531
1048MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2532MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1049 2533
1050void 2534void
1051add (aio_req grp, ...) 2535add (aio_req grp, ...)
… …
1083 AV *av; 2567 AV *av;
1084 2568
1085 grp->errorno = errno; 2569 grp->errorno = errno;
1086 2570
1087 av = newAV (); 2571 av = newAV ();
2572 av_extend (av, items - 1);
1088 2573
1089 for (i = 1; i < items; ++i ) 2574 for (i = 1; i < items; ++i )
1090 av_push (av, newSVsv (ST (i))); 2575 av_push (av, newSVsv (ST (i)));
1091 2576
1092 SvREFCNT_dec (grp->sv1); 2577 SvREFCNT_dec (grp->sv1);
… …
1102limit (aio_req grp, int limit) 2587limit (aio_req grp, int limit)
1103 CODE: 2588 CODE:
1104 eio_grp_limit (grp, limit); 2589 eio_grp_limit (grp, limit);
1105 2590
1106void 2591void
1107feed (aio_req grp, SV *callback=&PL_sv_undef) 2592feed (aio_req grp, SV *callback = &PL_sv_undef)
1108 CODE: 2593 CODE:
1109{ 2594{
1110 SvREFCNT_dec (grp->sv2); 2595 SvREFCNT_dec (grp->sv2);
1111 grp->sv2 = newSVsv (callback); 2596 grp->sv2 = newSVsv (callback);
2597 grp->feed = aio_grp_feed;
1112 2598
1113 if (grp->int2 <= 0) 2599 if (grp->int2 <= 0)
1114 grp->int2 = 2; 2600 grp->int2 = 2;
1115 2601
1116 eio_grp_limit (grp, grp->int2); 2602 eio_grp_limit (grp, grp->int2);

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