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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.122 by root, Tue May 13 19:35:16 2008 UTC vs.
Revision 1.258 by root, Wed Jul 18 00:57:55 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>
13#include <sys/stat.h> 17#include <sys/stat.h>
14#include <limits.h> 18#include <limits.h>
15#include <fcntl.h> 19#include <fcntl.h>
16#include <sched.h> 20#include <sched.h>
17 21
22#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
23# include <sys/mman.h>
24#endif
25
26/* the incompetent fool that created musl keeps __linux__, refuses
27 * to implement any linux standard apis, and also has no way to test
28 * for his broken iplementation. don't complain to me if this fails
29 * for you.
30 */
31#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
32# include <linux/fs.h>
33# ifdef FS_IOC_FIEMAP
34# include <linux/types.h>
35# include <linux/fiemap.h>
36# define HAVE_FIEMAP 1
37# endif
38#endif
39
18/* perl namespace pollution */ 40/* perl namespace pollution */
19#undef VERSION 41#undef VERSION
20 42
43/* perl stupidly overrides readdir and maybe others */
44/* with thread-unsafe versions, imagine that :( */
45#undef readdir
46#undef opendir
47#undef closedir
48
21#ifdef _WIN32 49#ifdef _WIN32
22 50
23# define EIO_STRUCT_DIRENT Direntry_t
24# undef malloc
25# undef free
26
27// perl overrides all those nice win32 functions 51 // perl overrides all those nice libc functions
52
53 #undef malloc
54 #undef free
28# undef open 55 #undef open
29# undef read 56 #undef read
30# undef write 57 #undef write
31# undef send 58 #undef send
32# undef recv 59 #undef recv
33# undef stat 60 #undef stat
61 #undef lstat
34# undef fstat 62 #undef fstat
35# define lstat stat
36# undef truncate 63 #undef truncate
37# undef ftruncate 64 #undef ftruncate
38# undef open 65 #undef open
66 #undef link
39# undef close 67 #undef close
40# undef unlink 68 #undef unlink
69 #undef mkdir
41# undef rmdir 70 #undef rmdir
42# undef rename 71 #undef rename
43# undef lseek 72 #undef lseek
73 #undef opendir
74 #undef readdir
75 #undef closedir
76 #undef chmod
77 #undef fchmod
78 #undef dup
79 #undef dup2
80 #undef abort
81 #undef pipe
44 82
45# define chown(a,b,c) (errno = ENOSYS, -1) 83 #define EIO_STRUCT_STAT struct _stati64
46# define fchown(a,b,c) (errno = ENOSYS, -1) 84 #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 85
59#else 86#else
60 87
61# include <sys/time.h> 88 #include <sys/time.h>
62# include <sys/select.h> 89 #include <sys/select.h>
63# include <unistd.h> 90 #include <unistd.h>
64# include <utime.h> 91 #include <utime.h>
65# include <signal.h> 92 #include <signal.h>
66# define EIO_STRUCT_DIRENT struct dirent
67 93
68#endif
69
70#define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
71 95
72/* use NV for 32 bit perls as it allows larger offsets */ 96#endif
73#if IVSIZE >= 8 97
74# define SvVAL64 SvIV 98/*****************************************************************************/
99
100#if __GNUC__ >= 3
101# define expect(expr,value) __builtin_expect ((expr),(value))
75#else 102#else
76# define SvVAL64 SvNV 103# define expect(expr,value) (expr)
77#endif 104#endif
78 105
79static HV *stash; 106#define expect_false(expr) expect ((expr) != 0, 0)
107#define expect_true(expr) expect ((expr) != 0, 1)
108
109/*****************************************************************************/
110
111#include "libeio/config.h"
112
113#include "schmorp.h"
114
115#if HAVE_EVENTFD
116# include <sys/eventfd.h>
117#endif
118
119#if HAVE_TIMERFD
120# include <sys/timerfd.h>
121#endif
122
123#if HAVE_RLIMITS
124 #include <sys/time.h>
125 #include <sys/resource.h>
126#endif
127
80typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
129typedef int aio_rfd; /* read file desriptor */
130typedef int aio_wfd; /* write file descriptor */
81 131
82#define AIO_REQ_KLASS "IO::AIO::REQ" 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
83#define AIO_GRP_KLASS "IO::AIO::GRP"
84 133
85#define EIO_REQ_MEMBERS \ 134#define EIO_REQ_MEMBERS \
86 SV *callback; \ 135 SV *callback; \
87 SV *sv1, *sv2; \ 136 SV *sv1, *sv2; \
137 SV *sv3, *sv4; \
88 STRLEN stroffset; \ 138 STRLEN stroffset; \
89 SV *self; 139 SV *self;
90 140
91#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
92 142
93#include "libeio/eio.h" 143#include "libeio/eio.h"
94 144
95static int req_invoke (eio_req *req); 145static int req_invoke (eio_req *req);
96#define EIO_FINISH(req) req_invoke (req) 146#define EIO_FINISH(req) req_invoke (req)
97static void aio_grp_feed (eio_req *grp);
98#define EIO_FEED(req) aio_grp_feed (req)
99static void req_destroy (eio_req *grp); 147static void req_destroy (eio_req *grp);
100#define EIO_DESTROY(req) req_destroy (req) 148#define EIO_DESTROY(req) req_destroy (req)
149
150#include "libeio/eio.c"
151
152#if !HAVE_POSIX_FADVISE
153# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
154#endif
155
156#if !HAVE_POSIX_MADVISE
157# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
158#endif
159
160#ifndef MAP_ANONYMOUS
161# ifdef MAP_ANON
162# define MAP_ANONYMOUS MAP_ANON
163# else
164# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
165# endif
166#endif
167
168/* defines all sorts of constants to 0 unless they are already defined */
169/* also provides const_iv_ and const_niv_ macros for them */
170#include "def0.h"
171
172#ifndef makedev
173# define makedev(maj,min) (((maj) << 8) | (min))
174#endif
175#ifndef major
176# define major(dev) ((dev) >> 8)
177#endif
178#ifndef minor
179# define minor(dev) ((dev) & 0xff)
180#endif
181
182#if PAGESIZE <= 0
183# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif
185
186/*****************************************************************************/
187
188#if !_POSIX_MAPPED_FILES
189# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
190# define munmap(addr,length) EIO_ENOSYS ()
191#endif
192
193#if !_POSIX_MEMORY_PROTECTION
194# define mprotect(addr,len,prot) EIO_ENOSYS ()
195#endif
196
197#if !MREMAP_MAYMOVE
198# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
199#endif
200
201#define FOREIGN_MAGIC PERL_MAGIC_ext
202
203static int ecb_cold
204mmap_free (pTHX_ SV *sv, MAGIC *mg)
205{
206 int old_errno = errno;
207 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
208 errno = old_errno;
209
210 mg->mg_obj = 0; /* just in case */
211
212 SvREADONLY_off (sv);
213
214 if (SvPVX (sv) != mg->mg_ptr)
215 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
216
217 SvCUR_set (sv, 0);
218 SvPVX (sv) = 0;
219 SvOK_off (sv);
220
221 return 0;
222}
223
224static MGVTBL mmap_vtbl = {
225 0, 0, 0, 0, mmap_free
226};
227
228static int ecb_cold
229sysfree_free (pTHX_ SV *sv, MAGIC *mg)
230{
231 free (mg->mg_ptr);
232 mg->mg_obj = 0; /* just in case */
233
234 SvREADONLY_off (sv);
235
236 if (SvPVX (sv) != mg->mg_ptr)
237 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
238
239 SvCUR_set (sv, 0);
240 SvPVX (sv) = 0;
241 SvOK_off (sv);
242
243 return 0;
244}
245
246static MGVTBL sysfree_vtbl = {
247 0, 0, 0, 0, sysfree_free
248};
249
250/*****************************************************************************/
251
252/* helper: set scalar to foreign ptr with custom free */
253static void
254sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
255{
256 sv_force_normal (sv);
257
258 /* we store the length in mg_obj, as namlen is I32 :/ */
259 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
260 ->mg_obj = (SV *)length;
261
262 SvUPGRADE (sv, SVt_PV); /* nop... */
263
264 if (SvLEN (sv))
265 Safefree (SvPVX (sv));
266
267 SvPVX (sv) = (char *)addr;
268 SvCUR_set (sv, length);
269 SvLEN_set (sv, 0);
270 SvPOK_only (sv);
271}
272
273static void
274sv_clear_foreign (SV *sv)
275{
276 /* todo: iterate over magic and only free ours, but of course */
277 /* the perl5porters will call that (correct) behaviour buggy */
278 sv_unmagic (sv, FOREIGN_MAGIC);
279}
280
281/*****************************************************************************/
282
283static void
284fiemap (eio_req *req)
285{
286 req->result = -1;
287
288#if HAVE_FIEMAP
289 /* assume some c99 */
290 struct fiemap *fiemap = 0;
291 size_t end_offset;
292 int count = req->int3;
293
294 req->flags |= EIO_FLAG_PTR1_FREE;
295
296 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
297 /* increase in 3.5kb steps */
298 if (count < 0)
299 count = 8;
300
301 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
302 errno = ENOMEM;
303 if (!fiemap)
304 return;
305
306 req->ptr1 = fiemap;
307
308 fiemap->fm_start = req->offs;
309 fiemap->fm_length = req->size;
310 fiemap->fm_flags = req->int2;
311 fiemap->fm_extent_count = count;
312
313 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
314 return;
315
316 if (req->int3 >= 0 /* not autosizing */
317 || !fiemap->fm_mapped_extents /* no more extents */
318 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
319 goto done;
320
321 /* else we have to loop -
322 * it would be tempting (actually I tried that first) to just query the
323 * number of extents needed, but linux often feels like not returning all
324 * extents, without telling us it left any out. this complicates
325 * this quite a bit.
326 */
327
328 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
329
330 for (;;)
331 {
332 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
333 char scratch[3072];
334 struct fiemap *incmap = (struct fiemap *)scratch;
335
336 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
337 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
338 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
339 incmap->fm_flags = fiemap->fm_flags;
340 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
341
342 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
343 return;
344
345 if (!incmap->fm_mapped_extents)
346 goto done;
347
348 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
349 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
350 errno = ENOMEM;
351 if (!fiemap)
352 return;
353
354 req->ptr1 = fiemap;
355
356 for (count = 0; count < incmap->fm_mapped_extents; ++count)
357 {
358 struct fiemap_extent *e = incmap->fm_extents + count;
359
360 if (e->fe_logical + e->fe_length >= end_offset)
361 goto done;
362
363 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
364
365 if (e->fe_flags & FIEMAP_EXTENT_LAST)
366 goto done;
367
368 }
369 }
370
371done:
372 req->result = 0;
373
374#else
375 errno = ENOSYS;
376#endif
377}
378
379/*****************************************************************************/
101 380
102enum { 381enum {
103 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 382 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
104}; 383};
105 384
106#include "libeio/eio.c"
107
108typedef eio_req *aio_req; 385typedef eio_req *aio_req;
109typedef eio_req *aio_req_ornot; 386typedef eio_req *aio_req_ornot;
387typedef eio_wd aio_wd;
110 388
111static SV *on_next_submit; 389static SV *on_next_submit;
112static int next_pri = EIO_PRI_DEFAULT; 390static int next_pri = EIO_PRI_DEFAULT;
113static int max_outstanding; 391static int max_outstanding;
114 392
115static int respipe_osf [2], respipe [2] = { -1, -1 }; 393static s_epipe respipe;
116 394
117static void req_destroy (aio_req req); 395static void req_destroy (aio_req req);
118static void req_cancel (aio_req req); 396static void req_cancel (aio_req req);
119 397
120static void want_poll (void) 398static void
399want_poll (void)
121{ 400{
122 /* write a dummy byte to the pipe so fh becomes ready */ 401 /* write a dummy byte to the pipe so fh becomes ready */
123 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); 402 s_epipe_signal (&respipe);
124} 403}
125 404
126static void done_poll (void) 405static void
406done_poll (void)
127{ 407{
128 /* read any signals sent by the worker threads */ 408 /* read any signals sent by the worker threads */
129 char buf [4]; 409 s_epipe_drain (&respipe);
130 while (respipe_read (respipe [0], buf, 4) == 4)
131 ;
132} 410}
133 411
134/* must be called at most once */ 412/* must be called at most once */
135static SV *req_sv (aio_req req, const char *klass) 413static SV *
414req_sv (aio_req req, HV *stash)
136{ 415{
137 if (!req->self) 416 if (!req->self)
138 { 417 {
139 req->self = (SV *)newHV (); 418 req->self = (SV *)newHV ();
140 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 419 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
141 } 420 }
142 421
143 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 422 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
144} 423}
145 424
146static aio_req SvAIO_REQ (SV *sv) 425static SV *
426newSVaio_wd (aio_wd wd)
427{
428 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
429}
430
431static aio_req
432SvAIO_REQ (SV *sv)
147{ 433{
148 MAGIC *mg; 434 MAGIC *mg;
149 435
150 if (!sv_derived_from (sv, AIO_REQ_KLASS) || !SvROK (sv)) 436 if (!SvROK (sv)
437 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
438 || (SvSTASH (SvRV (sv)) != aio_grp_stash
439 && SvSTASH (SvRV (sv)) != aio_req_stash
440 && !sv_derived_from (sv, "IO::AIO::REQ")))
151 croak ("object of class " AIO_REQ_KLASS " expected"); 441 croak ("object of class IO::AIO::REQ expected");
152 442
153 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 443 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
154 444
155 return mg ? (aio_req)mg->mg_ptr : 0; 445 return mg ? (aio_req)mg->mg_ptr : 0;
156} 446}
157 447
448static aio_wd
449SvAIO_WD (SV *sv)
450{
451 if (!SvROK (sv)
452 || SvTYPE (SvRV (sv)) != SVt_PVMG
453 || SvSTASH (SvRV (sv)) != aio_wd_stash)
454 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
455
456 return (aio_wd)(long)SvIVX (SvRV (sv));
457}
458
459static SV *
460newmortalFH (int fd, int flags)
461{
462 if (fd < 0)
463 return &PL_sv_undef;
464
465 GV *gv = (GV *)sv_newmortal ();
466 char sym[64];
467 int symlen;
468
469 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
470 gv_init (gv, aio_stash, sym, symlen, 0);
471
472 symlen = snprintf (
473 sym,
474 sizeof (sym),
475 "%s&=%d",
476 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
477 fd
478 );
479
480 return do_open (gv, sym, symlen, 0, 0, 0, 0)
481 ? (SV *)gv : &PL_sv_undef;
482}
483
484static void
158static void aio_grp_feed (aio_req grp) 485aio_grp_feed (aio_req grp)
159{ 486{
160 if (grp->sv2 && SvOK (grp->sv2)) 487 if (grp->sv2 && SvOK (grp->sv2))
161 { 488 {
162 dSP; 489 dSP;
163 490
164 ENTER; 491 ENTER;
165 SAVETMPS; 492 SAVETMPS;
166 PUSHMARK (SP); 493 PUSHMARK (SP);
167 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 494 XPUSHs (req_sv (grp, aio_grp_stash));
168 PUTBACK; 495 PUTBACK;
169 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 496 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
170 SPAGAIN; 497 SPAGAIN;
171 FREETMPS; 498 FREETMPS;
172 LEAVE; 499 LEAVE;
173 } 500 }
174} 501}
175 502
503static void
176static void req_submit (eio_req *req) 504req_submit (eio_req *req)
177{ 505{
178 eio_submit (req); 506 eio_submit (req);
179 507
180 if (on_next_submit) 508 if (expect_false (on_next_submit))
181 { 509 {
182 dSP; 510 dSP;
183 SV *cb = sv_2mortal (on_next_submit); 511 SV *cb = sv_2mortal (on_next_submit);
184 512
185 on_next_submit = 0; 513 on_next_submit = 0;
… …
188 PUTBACK; 516 PUTBACK;
189 call_sv (cb, G_DISCARD | G_EVAL); 517 call_sv (cb, G_DISCARD | G_EVAL);
190 } 518 }
191} 519}
192 520
521static int
193static int req_invoke (eio_req *req) 522req_invoke (eio_req *req)
194{ 523{
195 dSP;
196
197 if (req->flags & FLAG_SV2_RO_OFF) 524 if (req->flags & FLAG_SV2_RO_OFF)
198 SvREADONLY_off (req->sv2); 525 SvREADONLY_off (req->sv2);
199 526
200 if (!EIO_CANCELLED (req) && SvOK (req->callback)) 527 if (!EIO_CANCELLED (req) && req->callback)
201 { 528 {
529 dSP;
530 static SV *sv_result_cache; /* caches the result integer SV */
531 SV *sv_result;
532
202 ENTER; 533 ENTER;
203 SAVETMPS; 534 SAVETMPS;
204 PUSHMARK (SP); 535 PUSHMARK (SP);
205 EXTEND (SP, 1); 536 EXTEND (SP, 1);
206 537
538 /* do not recreate the result IV from scratch each time */
539 if (expect_true (sv_result_cache))
540 {
541 sv_result = sv_result_cache; sv_result_cache = 0;
542 SvIV_set (sv_result, req->result);
543 SvIOK_only (sv_result);
544 }
545 else
546 {
547 sv_result = newSViv (req->result);
548 SvREADONLY_on (sv_result);
549 }
550
207 switch (req->type) 551 switch (req->type)
208 { 552 {
553 case EIO_WD_OPEN:
554 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
555 break;
556
209 case EIO_READDIR: 557 case EIO_READDIR:
210 { 558 {
211 SV *rv = &PL_sv_undef; 559 SV *rv = &PL_sv_undef;
212 560
213 if (req->result >= 0) 561 if (req->result >= 0)
214 { 562 {
215 int i; 563 int i;
216 char *buf = req->ptr2; 564 char *names = (char *)req->ptr2;
565 eio_dirent *ent = (eio_dirent *)req->ptr1; /* might be 0 */
217 AV *av = newAV (); 566 AV *av = newAV ();
218 567
219 av_extend (av, req->result - 1); 568 av_extend (av, req->result - 1);
220 569
221 for (i = 0; i < req->result; ++i) 570 for (i = 0; i < req->result; ++i)
222 { 571 {
223 SV *sv = newSVpv (buf, 0); 572 if (req->int1 & EIO_READDIR_DENTS)
573 {
574 SV *namesv = newSVpvn (names + ent->nameofs, ent->namelen);
224 575
576 if (req->int1 & EIO_READDIR_CUSTOM2)
577 {
578 static SV *sv_type [EIO_DT_MAX + 1]; /* type sv cache */
579 AV *avent = newAV ();
580
581 av_extend (avent, 2);
582
583 if (!sv_type [ent->type])
584 {
585 sv_type [ent->type] = newSViv (ent->type);
586 SvREADONLY_on (sv_type [ent->type]);
587 }
588
589 av_store (avent, 0, namesv);
590 av_store (avent, 1, SvREFCNT_inc (sv_type [ent->type]));
591 av_store (avent, 2, IVSIZE >= 8 ? newSVuv (ent->inode) : newSVnv (ent->inode));
592
593 av_store (av, i, newRV_noinc ((SV *)avent));
594 }
595 else
225 av_store (av, i, sv); 596 av_store (av, i, namesv);
597
598 ++ent;
599 }
600 else
601 {
602 SV *name = newSVpv (names, 0);
603 av_store (av, i, name);
226 buf += SvCUR (sv) + 1; 604 names += SvCUR (name) + 1;
605 }
227 } 606 }
228 607
229 rv = sv_2mortal (newRV_noinc ((SV *)av)); 608 rv = sv_2mortal (newRV_noinc ((SV *)av));
230 } 609 }
231 610
232 PUSHs (rv); 611 PUSHs (rv);
612
613 if (req->int1 & EIO_READDIR_CUSTOM1)
614 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
233 } 615 }
234 break; 616 break;
235 617
236 case EIO_OPEN: 618 case EIO_OPEN:
619 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
620 break;
621
622 case EIO_STATVFS:
623 case EIO_FSTATVFS:
237 { 624 {
238 /* convert fd to fh */
239 SV *fh = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
240 626
627#ifndef _WIN32
241 if (req->result >= 0) 628 if (req->result >= 0)
242 { 629 {
630 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
243 GV *gv = (GV *)sv_newmortal (); 631 HV *hv = newHV ();
244 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 632 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
245 char sym [64]; 633 * chooses to make it a struct.
246 int symlen;
247 634 */
248 symlen = snprintf (sym, sizeof (sym), "fd#%d", req->result); 635 unsigned long fsid = 0;
249 gv_init (gv, stash, sym, symlen, 0); 636 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
250 637
251 symlen = snprintf ( 638 rv = sv_2mortal (newRV_noinc ((SV *)hv));
252 sym,
253 sizeof (sym),
254 "%s&=%d",
255 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
256 req->result
257 );
258 639
259 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 640 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
260 fh = (SV *)gv; 641 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
642 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
643 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
644 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
645 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
646 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
647 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
648 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
649 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
650 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
261 } 651 }
652#endif
262 653
263 PUSHs (fh); 654 PUSHs (rv);
264 } 655 }
656
265 break; 657 break;
266 658
267 case EIO_GROUP: 659 case EIO_GROUP:
268 req->int1 = 2; /* mark group as finished */ 660 req->int1 = 2; /* mark group as finished */
269 661
… …
281 case EIO_NOP: 673 case EIO_NOP:
282 case EIO_BUSY: 674 case EIO_BUSY:
283 break; 675 break;
284 676
285 case EIO_READLINK: 677 case EIO_READLINK:
678 case EIO_REALPATH:
286 if (req->result > 0) 679 if (req->result > 0)
287 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 680 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
288 break; 681 break;
289 682
290 case EIO_STAT: 683 case EIO_STAT:
291 case EIO_LSTAT: 684 case EIO_LSTAT:
292 case EIO_FSTAT: 685 case EIO_FSTAT:
293 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 686 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
687
294 PL_laststatval = req->result; 688 if (!(PL_laststatval = req->result))
689 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
295 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 690 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
296 PUSHs (sv_2mortal (newSViv (req->result))); 691
692 PUSHs (sv_result);
297 break; 693 break;
298 694
695 case EIO_SEEK:
696 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
697 break;
698
299 case EIO_READ: 699 case EIO_READ:
700 {
300 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 701 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
301 *SvEND (req->sv2) = 0; 702 *SvEND (req->sv2) = 0;
302 PUSHs (sv_2mortal (newSViv (req->result))); 703 SvPOK_only (req->sv2);
704 SvSETMAGIC (req->sv2);
705 PUSHs (sv_result);
706 }
303 break; 707 break;
304 708
305 case EIO_DUP2: 709 case EIO_SLURP:
710 {
711 if (req->result >= 0)
712 {
713 /* if length was originally not known, we steal the malloc'ed memory */
714 if (req->flags & EIO_FLAG_PTR2_FREE)
715 {
716 req->flags &= ~EIO_FLAG_PTR2_FREE;
717 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
718 }
719 else
720 {
721 SvCUR_set (req->sv2, req->result);
722 *SvEND (req->sv2) = 0;
723 SvPOK_only (req->sv2);
724 }
725
726 SvSETMAGIC (req->sv2);
727 }
728
729 PUSHs (sv_result);
730 }
731 break;
732
733 case EIO_CUSTOM:
734 if (req->feed == fiemap)
735 {
736#if HAVE_FIEMAP
737 if (!req->result)
738 {
739 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
740
741 if (fiemap->fm_extent_count)
742 {
743 AV *av = newAV ();
744 int i;
745
746 while (fiemap->fm_mapped_extents)
747 {
748 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
749 AV *ext_av = newAV ();
750
751 av_store (ext_av, 3, newSVuv (extent->fe_flags));
752 av_store (ext_av, 2, newSVval64 (extent->fe_length));
753 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
754 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
755
756 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
757 }
758
759 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
760 }
761 else
762 {
763 SvIV_set (sv_result, fiemap->fm_mapped_extents);
764 PUSHs (sv_result);
765 }
766 }
767#endif
768 }
769 else
770 PUSHs (sv_result);
771 break;
772
773 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
306 if (req->result > 0) 774 if (req->result > 0)
307 req->result = 0; 775 SvIV_set (sv_result, 0);
308 /* FALLTHROUGH */ 776 /* FALLTHROUGH */
309 777
310 default: 778 default:
311 PUSHs (sv_2mortal (newSViv (req->result))); 779 PUSHs (sv_result);
312 break; 780 break;
313 } 781 }
314 782
315 errno = req->errorno; 783 errno = req->errorno;
316 784
317 PUTBACK; 785 PUTBACK;
318 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 786 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
319 SPAGAIN; 787 SPAGAIN;
320 788
789 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
790 SvREFCNT_dec (sv_result);
791 else
792 sv_result_cache = sv_result;
793
321 FREETMPS; 794 FREETMPS;
322 LEAVE; 795 LEAVE;
323 796
324 PUTBACK; 797 PUTBACK;
325 } 798 }
326 799
327 return !!SvTRUE (ERRSV); 800 return !!SvTRUE (ERRSV);
328} 801}
329 802
803static void
330static void req_destroy (aio_req req) 804req_destroy (aio_req req)
331{ 805{
332 if (req->self) 806 if (req->self)
333 { 807 {
334 sv_unmagic (req->self, PERL_MAGIC_ext); 808 sv_unmagic (req->self, PERL_MAGIC_ext);
335 SvREFCNT_dec (req->self); 809 SvREFCNT_dec (req->self);
336 } 810 }
337 811
338 SvREFCNT_dec (req->sv1); 812 SvREFCNT_dec (req->sv1);
339 SvREFCNT_dec (req->sv2); 813 SvREFCNT_dec (req->sv2);
814 SvREFCNT_dec (req->sv3);
815 SvREFCNT_dec (req->sv4);
340 SvREFCNT_dec (req->callback); 816 SvREFCNT_dec (req->callback);
341 817
342 Safefree (req); 818 free (req);
343} 819}
344 820
821static void
345static void req_cancel_subs (aio_req grp) 822req_cancel_subs (aio_req grp)
346{ 823{
347 aio_req sub;
348
349 if (grp->type != EIO_GROUP) 824 if (grp->type != EIO_GROUP)
350 return; 825 return;
351 826
352 SvREFCNT_dec (grp->sv2); 827 SvREFCNT_dec (grp->sv2);
353 grp->sv2 = 0; 828 grp->sv2 = 0;
354 829
355 eio_grp_cancel (grp); 830 eio_grp_cancel (grp);
356} 831}
357 832
358#ifdef USE_SOCKETS_AS_HANDLES 833static void ecb_cold
359# define TO_SOCKET(x) (win32_get_osfhandle (x)) 834create_respipe (void)
360#else 835{
361# define TO_SOCKET(x) (x) 836 if (s_epipe_renew (&respipe))
362#endif 837 croak ("IO::AIO: unable to initialize result pipe");
838}
363 839
364static void 840static void
365create_respipe (void) 841poll_wait (void)
366{ 842{
367 int old_readfd = respipe [0];
368
369 if (respipe [1] >= 0)
370 respipe_close (TO_SOCKET (respipe [1]));
371
372#ifdef _WIN32
373 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
374#else
375 if (pipe (respipe))
376#endif
377 croak ("unable to initialize result pipe");
378
379 if (old_readfd >= 0)
380 {
381 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
382 croak ("unable to initialize result pipe(2)");
383
384 respipe_close (respipe [0]);
385 respipe [0] = old_readfd;
386 }
387
388#ifdef _WIN32
389 int arg = 1;
390 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
391 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
392#else
393 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395#endif
396 croak ("unable to initialize result pipe(3)");
397
398 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]);
400}
401
402static void poll_wait (void)
403{
404 fd_set rfd;
405
406 while (eio_nreqs ()) 843 while (eio_nreqs ())
407 { 844 {
408 int size; 845 int size;
409 846
410 X_LOCK (reslock); 847 X_LOCK (EIO_POOL->reslock);
411 size = res_queue.size; 848 size = EIO_POOL->res_queue.size;
412 X_UNLOCK (reslock); 849 X_UNLOCK (EIO_POOL->reslock);
413 850
414 if (size) 851 if (size)
415 return; 852 return;
416 853
417 maybe_start_thread (); 854 etp_maybe_start_thread (EIO_POOL);
418 855
419 FD_ZERO (&rfd); 856 s_epipe_wait (&respipe);
420 FD_SET (respipe [0], &rfd);
421
422 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
423 } 857 }
424} 858}
425 859
426static int poll_cb (void) 860static int
861poll_cb (void)
427{ 862{
428 int res; 863 for (;;)
429
430 do
431 { 864 {
432 res = eio_poll (); 865 int res = eio_poll ();
433 866
434 if (res > 0) 867 if (res > 0)
435 croak (0); 868 croak (0);
869
870 if (!max_outstanding || max_outstanding > eio_nreqs ())
871 return res;
872
873 poll_wait ();
436 } 874 }
437 while (max_outstanding && max_outstanding <= eio_nreqs ());
438
439 return res;
440} 875}
441 876
442static void atfork_child (void) 877static void ecb_cold
878reinit (void)
443{ 879{
444 create_respipe (); 880 create_respipe ();
881
882 if (eio_init (want_poll, done_poll) < 0)
883 croak ("IO::AIO: unable to initialise eio library");
884}
885
886/*****************************************************************************/
887
888static SV *
889get_cb (SV *cb_sv)
890{
891 SvGETMAGIC (cb_sv);
892 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
893}
894
895static aio_req ecb_noinline
896dreq (SV *callback)
897{
898 SV *cb_cv;
899 aio_req req;
900 int req_pri = next_pri;
901 next_pri = EIO_PRI_DEFAULT;
902
903 cb_cv = get_cb (callback);
904
905 req = calloc (sizeof (*req), 1);
906 if (!req)
907 croak ("out of memory during eio_req allocation");
908
909 req->callback = SvREFCNT_inc (cb_cv);
910 req->pri = req_pri;
911
912 return req;
445} 913}
446 914
447#define dREQ \ 915#define dREQ \
448 aio_req req; \ 916 aio_req req = dreq (callback); \
449 int req_pri = next_pri; \
450 next_pri = EIO_PRI_DEFAULT; \
451 \
452 if (SvOK (callback) && !SvROK (callback)) \
453 croak ("callback must be undef or of reference type"); \
454 \
455 Newz (0, req, 1, eio_req); \
456 if (!req) \
457 croak ("out of memory during eio_req allocation"); \
458 \
459 req->callback = newSVsv (callback); \
460 req->pri = req_pri
461 917
462#define REQ_SEND \ 918#define REQ_SEND \
919 PUTBACK; \
463 req_submit (req); \ 920 req_submit (req); \
921 SPAGAIN; \
464 \ 922 \
465 if (GIMME_V != G_VOID) \ 923 if (GIMME_V != G_VOID) \
466 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 924 XPUSHs (req_sv (req, aio_req_stash));
467 925
926ecb_inline void
927req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
928{
929 if (expect_false (SvROK (path)))
930 {
931 SV *rv = SvRV (path);
932 SV *wdob;
933
934 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
935 {
936 path = AvARRAY (rv)[1];
937 wdob = AvARRAY (rv)[0];
938
939 if (SvOK (wdob))
940 {
941 *wd = SvAIO_WD (wdob);
942 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
943 }
944 else
945 *wd = EIO_INVALID_WD;
946 }
947 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
948 {
949 *wd = (aio_wd)(long)SvIVX (rv);
950 *wdsv = SvREFCNT_inc_NN (rv);
951 *ptr = ".";
952 return; /* path set to "." */
953 }
954 else
955 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
956 }
957
958 *pathsv = newSVsv (path);
959 *ptr = SvPVbyte_nolen (*pathsv);
960}
961
962static void ecb_noinline
963req_set_path1 (aio_req req, SV *path)
964{
965 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
966}
967
968static void ecb_noinline
969req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
970{
971 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
972
973 switch (SvTYPE (rv))
974 {
975 case SVt_PVIO:
976 case SVt_PVLV:
977 case SVt_PVGV:
978 req->type = type_fh;
979 req->sv1 = newSVsv (fh_or_path);
980 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
981 break;
982
983 default:
984 req->type = type_path;
985 req_set_path1 (req, fh_or_path);
986 break;
987 }
988}
989
990/*****************************************************************************/
991
992static void
993ts_set (struct timespec *ts, NV value)
994{
995 ts->tv_sec = value;
996 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
997}
998
999static NV
1000ts_get (const struct timespec *ts)
1001{
1002 return ts->tv_sec + ts->tv_nsec * 1e-9;
1003}
1004
1005/*****************************************************************************/
1006
1007XS(boot_IO__AIO) ecb_cold;
1008
468MODULE = IO::AIO PACKAGE = IO::AIO 1009MODULE = IO::AIO PACKAGE = IO::AIO
469 1010
470PROTOTYPES: ENABLE 1011PROTOTYPES: ENABLE
471 1012
472BOOT: 1013BOOT:
473{ 1014{
1015 static const struct {
1016 const char *name;
1017 IV iv;
1018 } *civ, const_iv[] = {
1019# define const_niv(name, value) { # name, (IV) value },
1020# define const_iv(name) { # name, (IV) name },
1021# define const_eio(name) { # name, (IV) EIO_ ## name },
1022
1023 /* you have to re-run ./gendef0 after adding/removing any constants here */
1024 /* the first block can be undef if missing */
1025 const_iv (ENOSYS)
1026 const_iv (EXDEV)
1027 const_iv (EBADR)
1028
1029 /* for lseek */
1030 const_iv (SEEK_DATA)
1031 const_iv (SEEK_HOLE)
1032
1033 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1034 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1035 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1036 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1037 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1038 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1039
1040 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1041 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1042 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1043 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1044 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1045
1046 /* the second block will be 0 when missing */
1047 const_iv (O_RDONLY)
1048 const_iv (O_WRONLY)
1049 const_iv (O_RDWR)
1050 const_iv (O_CREAT)
1051 const_iv (O_TRUNC)
1052 const_iv (O_EXCL)
1053 const_iv (O_APPEND)
1054
1055 const_iv (O_ASYNC)
1056 const_iv (O_DIRECT)
1057 const_iv (O_NOATIME)
1058
1059 const_iv (O_CLOEXEC)
1060 const_iv (O_NOCTTY)
1061 const_iv (O_NOFOLLOW)
1062 const_iv (O_NONBLOCK)
1063 const_iv (O_EXEC)
1064 const_iv (O_SEARCH)
1065 const_iv (O_DIRECTORY)
1066 const_iv (O_DSYNC)
1067 const_iv (O_RSYNC)
1068 const_iv (O_SYNC)
1069 const_iv (O_PATH)
1070 const_iv (O_TMPFILE)
1071 const_iv (O_TTY_INIT)
1072
1073 const_iv (S_IFIFO)
1074 const_iv (S_IFCHR)
1075 const_iv (S_IFBLK)
1076 const_iv (S_IFLNK)
1077 const_iv (S_IFREG)
1078 const_iv (S_IFDIR)
1079 const_iv (S_IFWHT)
1080 const_iv (S_IFSOCK)
1081 const_iv (S_IFMT)
1082
1083 const_iv (ST_RDONLY)
1084 const_iv (ST_NOSUID)
1085 const_iv (ST_NODEV)
1086 const_iv (ST_NOEXEC)
1087 const_iv (ST_SYNCHRONOUS)
1088 const_iv (ST_MANDLOCK)
1089 const_iv (ST_WRITE)
1090 const_iv (ST_APPEND)
1091 const_iv (ST_IMMUTABLE)
1092 const_iv (ST_NOATIME)
1093 const_iv (ST_NODIRATIME)
1094 const_iv (ST_RELATIME)
1095
1096 const_iv (PROT_NONE)
1097 const_iv (PROT_EXEC)
1098 const_iv (PROT_READ)
1099 const_iv (PROT_WRITE)
1100
1101 const_iv (MAP_PRIVATE)
1102 const_iv (MAP_SHARED)
1103 const_iv (MAP_FIXED)
1104 const_iv (MAP_ANONYMOUS)
1105
1106 /* linuxish */
1107 const_iv (MAP_LOCKED)
1108 const_iv (MAP_NORESERVE)
1109 const_iv (MAP_POPULATE)
1110 const_iv (MAP_NONBLOCK)
1111 const_iv (MAP_GROWSDOWN)
1112 const_iv (MAP_32BIT)
1113 const_iv (MAP_HUGETLB)
1114 const_iv (MAP_STACK)
1115
1116 const_iv (MREMAP_MAYMOVE)
1117 const_iv (MREMAP_FIXED)
1118
1119 const_iv (F_DUPFD_CLOEXEC)
1120
1121 const_iv (F_OFD_GETLK)
1122 const_iv (F_OFD_SETLK)
1123 const_iv (F_OFD_GETLKW)
1124
1125 const_iv (FIFREEZE)
1126 const_iv (FITHAW)
1127 const_iv (FITRIM)
1128 const_iv (FICLONE)
1129 const_iv (FICLONERANGE)
1130 const_iv (FIDEDUPERANGE)
1131
1132 const_iv (FS_IOC_GETFLAGS)
1133 const_iv (FS_IOC_SETFLAGS)
1134 const_iv (FS_IOC_GETVERSION)
1135 const_iv (FS_IOC_SETVERSION)
1136 const_iv (FS_IOC_FIEMAP)
1137 const_iv (FS_IOC_FSGETXATTR)
1138 const_iv (FS_IOC_FSSETXATTR)
1139 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1140 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1141 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1142
1143 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1144
1145 const_iv (FS_SECRM_FL)
1146 const_iv (FS_UNRM_FL)
1147 const_iv (FS_COMPR_FL)
1148 const_iv (FS_SYNC_FL)
1149 const_iv (FS_IMMUTABLE_FL)
1150 const_iv (FS_APPEND_FL)
1151 const_iv (FS_NODUMP_FL)
1152 const_iv (FS_NOATIME_FL)
1153 const_iv (FS_DIRTY_FL)
1154 const_iv (FS_COMPRBLK_FL)
1155 const_iv (FS_NOCOMP_FL)
1156 const_iv (FS_ENCRYPT_FL)
1157 const_iv (FS_BTREE_FL)
1158 const_iv (FS_INDEX_FL)
1159 const_iv (FS_JOURNAL_DATA_FL)
1160 const_iv (FS_NOTAIL_FL)
1161 const_iv (FS_DIRSYNC_FL)
1162 const_iv (FS_TOPDIR_FL)
1163 const_iv (FS_FL_USER_MODIFIABLE)
1164
1165 const_iv (FS_XFLAG_REALTIME)
1166 const_iv (FS_XFLAG_PREALLOC)
1167 const_iv (FS_XFLAG_IMMUTABLE)
1168 const_iv (FS_XFLAG_APPEND)
1169 const_iv (FS_XFLAG_SYNC)
1170 const_iv (FS_XFLAG_NOATIME)
1171 const_iv (FS_XFLAG_NODUMP)
1172 const_iv (FS_XFLAG_RTINHERIT)
1173 const_iv (FS_XFLAG_PROJINHERIT)
1174 const_iv (FS_XFLAG_NOSYMLINKS)
1175 const_iv (FS_XFLAG_EXTSIZE)
1176 const_iv (FS_XFLAG_EXTSZINHERIT)
1177 const_iv (FS_XFLAG_NODEFRAG)
1178 const_iv (FS_XFLAG_FILESTREAM)
1179 const_iv (FS_XFLAG_DAX)
1180 const_iv (FS_XFLAG_HASATTR)
1181
1182 const_iv (FIEMAP_FLAG_SYNC)
1183 const_iv (FIEMAP_FLAG_XATTR)
1184 const_iv (FIEMAP_FLAGS_COMPAT)
1185 const_iv (FIEMAP_EXTENT_LAST)
1186 const_iv (FIEMAP_EXTENT_UNKNOWN)
1187 const_iv (FIEMAP_EXTENT_DELALLOC)
1188 const_iv (FIEMAP_EXTENT_ENCODED)
1189 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1190 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1191 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1192 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1193 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1194 const_iv (FIEMAP_EXTENT_MERGED)
1195 const_iv (FIEMAP_EXTENT_SHARED)
1196
1197 const_iv (SPLICE_F_MOVE)
1198 const_iv (SPLICE_F_NONBLOCK)
1199 const_iv (SPLICE_F_MORE)
1200 const_iv (SPLICE_F_GIFT)
1201
1202 const_iv (EFD_CLOEXEC)
1203 const_iv (EFD_NONBLOCK)
1204 const_iv (EFD_SEMAPHORE)
1205
1206 const_iv (CLOCK_REALTIME)
1207 const_iv (CLOCK_MONOTONIC)
1208 const_iv (CLOCK_BOOTTIME)
1209 const_iv (CLOCK_REALTIME_ALARM)
1210 const_iv (CLOCK_BOOTTIME_ALARM)
1211
1212 const_iv (TFD_NONBLOCK)
1213 const_iv (TFD_CLOEXEC)
1214
1215 const_iv (TFD_TIMER_ABSTIME)
1216 const_iv (TFD_TIMER_CANCEL_ON_SET)
1217
1218 /* these are libeio constants, and are independent of gendef0 */
1219 const_eio (SEEK_SET)
1220 const_eio (SEEK_CUR)
1221 const_eio (SEEK_END)
1222
1223 const_eio (MCL_FUTURE)
1224 const_eio (MCL_CURRENT)
1225
1226 const_eio (MS_ASYNC)
1227 const_eio (MS_INVALIDATE)
1228 const_eio (MS_SYNC)
1229
1230 const_eio (MT_MODIFY)
1231
1232 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1233 const_eio (SYNC_FILE_RANGE_WRITE)
1234 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1235
1236 const_eio (FALLOC_FL_KEEP_SIZE)
1237 const_eio (FALLOC_FL_PUNCH_HOLE)
1238 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1239 const_eio (FALLOC_FL_ZERO_RANGE)
1240 const_eio (FALLOC_FL_INSERT_RANGE)
1241 const_eio (FALLOC_FL_UNSHARE_RANGE)
1242
1243 const_eio (RENAME_NOREPLACE)
1244 const_eio (RENAME_EXCHANGE)
1245 const_eio (RENAME_WHITEOUT)
1246
1247 const_eio (READDIR_DENTS)
1248 const_eio (READDIR_DIRS_FIRST)
1249 const_eio (READDIR_STAT_ORDER)
1250 const_eio (READDIR_FOUND_UNKNOWN)
1251
1252 const_eio (DT_UNKNOWN)
1253 const_eio (DT_FIFO)
1254 const_eio (DT_CHR)
1255 const_eio (DT_DIR)
1256 const_eio (DT_BLK)
1257 const_eio (DT_REG)
1258 const_eio (DT_LNK)
1259 const_eio (DT_SOCK)
1260 const_eio (DT_WHT)
1261 };
1262
474 stash = gv_stashpv ("IO::AIO", 1); 1263 aio_stash = gv_stashpv ("IO::AIO" , 1);
1264 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
1265 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1266 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
475 1267
476 newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); 1268 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
477 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1269 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
478 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
479 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
480 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
481#ifndef _WIN32
482 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
483#endif
484 1270
485 create_respipe (); 1271 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
486 1272
487 if (eio_init (want_poll, done_poll) < 0) 1273 reinit ();
488 croak ("IO::AIO: unable to initialise eio library");
489
490 /* atfork child called in fifo order, so before eio's handler */
491 X_THREAD_ATFORK (0, 0, atfork_child);
492} 1274}
493 1275
494void 1276void
1277reinit ()
1278 PROTOTYPE:
1279
1280void
495max_poll_reqs (int nreqs) 1281max_poll_reqs (unsigned int nreqs)
496 PROTOTYPE: $ 1282 PROTOTYPE: $
497 CODE: 1283 CODE:
498 eio_set_max_poll_reqs (nreqs); 1284 eio_set_max_poll_reqs (nreqs);
499 1285
500void 1286void
… …
502 PROTOTYPE: $ 1288 PROTOTYPE: $
503 CODE: 1289 CODE:
504 eio_set_max_poll_time (nseconds); 1290 eio_set_max_poll_time (nseconds);
505 1291
506void 1292void
507min_parallel (int nthreads) 1293min_parallel (unsigned int nthreads)
508 PROTOTYPE: $ 1294 PROTOTYPE: $
509 CODE: 1295 CODE:
510 eio_set_min_parallel (nthreads); 1296 eio_set_min_parallel (nthreads);
511 1297
512void 1298void
513max_parallel (int nthreads) 1299max_parallel (unsigned int nthreads)
514 PROTOTYPE: $ 1300 PROTOTYPE: $
515 CODE: 1301 CODE:
516 eio_set_max_parallel (nthreads); 1302 eio_set_max_parallel (nthreads);
517 1303
518void 1304void
519max_idle (int nthreads) 1305max_idle (unsigned int nthreads)
520 PROTOTYPE: $ 1306 PROTOTYPE: $
521 CODE: 1307 CODE:
522 eio_set_max_idle (nthreads); 1308 eio_set_max_idle (nthreads);
523 1309
524void 1310void
1311idle_timeout (unsigned int seconds)
1312 PROTOTYPE: $
1313 CODE:
1314 eio_set_idle_timeout (seconds);
1315
1316void
525max_outstanding (int maxreqs) 1317max_outstanding (unsigned int maxreqs)
526 PROTOTYPE: $ 1318 PROTOTYPE: $
527 CODE: 1319 CODE:
528 max_outstanding = maxreqs; 1320 max_outstanding = maxreqs;
529 1321
530void 1322void
531aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1323aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
532 PROTOTYPE: $$$;$
533 PPCODE: 1324 PPCODE:
534{ 1325{
535 dREQ; 1326 dREQ;
536 1327
1328 req->type = EIO_WD_OPEN;
1329 req_set_path1 (req, pathname);
1330
1331 REQ_SEND;
1332}
1333
1334void
1335aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1336 PPCODE:
1337{
1338 dREQ;
1339
537 req->type = EIO_OPEN; 1340 req->type = EIO_OPEN;
538 req->sv1 = newSVsv (pathname); 1341 req_set_path1 (req, pathname);
539 req->ptr1 = SvPVbyte_nolen (req->sv1);
540 req->int1 = flags; 1342 req->int1 = flags;
541 req->int2 = mode; 1343 req->int2 = mode;
542 1344
543 REQ_SEND; 1345 REQ_SEND;
544} 1346}
545 1347
546void 1348void
547aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1349aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
548 PROTOTYPE: $;$
549 ALIAS: 1350 ALIAS:
550 aio_fsync = EIO_FSYNC 1351 aio_fsync = EIO_FSYNC
551 aio_fdatasync = EIO_FDATASYNC 1352 aio_fdatasync = EIO_FDATASYNC
1353 aio_syncfs = EIO_SYNCFS
552 PPCODE: 1354 PPCODE:
553{ 1355{
1356 int fd = s_fileno_croak (fh, 0);
554 dREQ; 1357 dREQ;
555 1358
556 req->type = ix; 1359 req->type = ix;
557 req->sv1 = newSVsv (fh); 1360 req->sv1 = newSVsv (fh);
558 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1361 req->int1 = fd;
559 1362
560 REQ_SEND (req); 1363 REQ_SEND;
561} 1364}
562 1365
563void 1366void
564aio_close (SV *fh, SV *callback=&PL_sv_undef) 1367aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
565 PROTOTYPE: $;$
566 PPCODE: 1368 PPCODE:
567{ 1369{
568 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1370 int fd = s_fileno_croak (fh, 0);
569 dREQ; 1371 dREQ;
570 1372
571 if (close_pipe < 0) 1373 req->type = EIO_SYNC_FILE_RANGE;
1374 req->sv1 = newSVsv (fh);
1375 req->int1 = fd;
1376 req->offs = offset;
1377 req->size = nbytes;
1378 req->int2 = flags;
1379
1380 REQ_SEND;
1381}
1382
1383void
1384aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1385 PPCODE:
1386{
1387 int fd = s_fileno_croak (fh, 0);
1388 dREQ;
1389
1390 req->type = EIO_FALLOCATE;
1391 req->sv1 = newSVsv (fh);
1392 req->int1 = fd;
1393 req->int2 = mode;
1394 req->offs = offset;
1395 req->size = len;
1396
1397 REQ_SEND;
1398}
1399
1400void
1401aio_close (SV *fh, SV *callback = &PL_sv_undef)
1402 PPCODE:
1403{
1404 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1405 int fd = s_fileno_croak (fh, 0);
1406 dREQ;
1407
1408 if (expect_false (close_fd < 0))
572 { 1409 {
573 int pipefd [2]; 1410 int pipefd [2];
574 1411
1412 if (
1413#ifdef _WIN32
1414 _pipe (pipefd, 1, _O_BINARY) < 0
1415#else
575 if (pipe (pipefd) < 0 1416 pipe (pipefd) < 0
576 || close (pipefd [1]) < 0
577 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1417 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1418#endif
1419 || close (pipefd [1]) < 0
1420 )
578 abort (); /*D*/ 1421 abort (); /*D*/
579 1422
580 close_pipe = pipefd [0]; 1423 close_fd = pipefd [0];
581 } 1424 }
582 1425
583 req->type = EIO_DUP2; 1426 req->type = EIO_DUP2;
584 req->int1 = close_pipe; 1427 req->int1 = close_fd;
585 req->sv2 = newSVsv (fh); 1428 req->sv2 = newSVsv (fh);
586 req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1429 req->int2 = fd;
587 1430
588 REQ_SEND (req); 1431 REQ_SEND;
589} 1432}
590 1433
591void 1434void
1435aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1436 PPCODE:
1437{
1438 int fd = s_fileno_croak (fh, 0);
1439 dREQ;
1440
1441 req->type = EIO_SEEK;
1442 req->sv1 = newSVsv (fh);
1443 req->int1 = fd;
1444 req->offs = SvVAL64 (offset);
1445 req->int2 = whence;
1446
1447 REQ_SEND;
1448}
1449
1450void
592aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1451aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
593 ALIAS: 1452 ALIAS:
594 aio_read = EIO_READ 1453 aio_read = EIO_READ
595 aio_write = EIO_WRITE 1454 aio_write = EIO_WRITE
596 PROTOTYPE: $$$$$;$
597 PPCODE: 1455 PPCODE:
598{ 1456{
599 STRLEN svlen; 1457 STRLEN svlen;
1458 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
600 char *svptr = SvPVbyte (data, svlen); 1459 char *svptr = SvPVbyte (data, svlen);
601 UV len = SvUV (length); 1460 UV len = SvUV (length);
602
603 SvUPGRADE (data, SVt_PV);
604 SvPOK_on (data);
605 1461
606 if (dataoffset < 0) 1462 if (dataoffset < 0)
607 dataoffset += svlen; 1463 dataoffset += svlen;
608 1464
609 if (dataoffset < 0 || dataoffset > svlen) 1465 if (dataoffset < 0 || dataoffset > svlen)
… …
615 if (!SvOK (length) || len + dataoffset > svlen) 1471 if (!SvOK (length) || len + dataoffset > svlen)
616 len = svlen - dataoffset; 1472 len = svlen - dataoffset;
617 } 1473 }
618 else 1474 else
619 { 1475 {
620 /* read: grow scalar as necessary */ 1476 /* read: check type and grow scalar as necessary */
1477 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
621 svptr = SvGROW (data, len + dataoffset + 1); 1478 svptr = sv_grow (data, len + dataoffset + 1);
1479 else if (SvCUR (data) < len + dataoffset)
1480 croak ("length + dataoffset outside of scalar, and cannot grow");
622 } 1481 }
623
624 if (len < 0)
625 croak ("length must not be negative");
626 1482
627 { 1483 {
628 dREQ; 1484 dREQ;
629 1485
630 req->type = ix; 1486 req->type = ix;
631 req->sv1 = newSVsv (fh); 1487 req->sv1 = newSVsv (fh);
632 req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) 1488 req->int1 = fd;
633 : IoOFP (sv_2io (fh)));
634 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1489 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
635 req->size = len; 1490 req->size = len;
636 req->sv2 = SvREFCNT_inc (data); 1491 req->sv2 = SvREFCNT_inc (data);
637 req->ptr2 = (char *)svptr + dataoffset; 1492 req->ptr2 = (char *)svptr + dataoffset;
638 req->stroffset = dataoffset; 1493 req->stroffset = dataoffset;
… …
646 REQ_SEND; 1501 REQ_SEND;
647 } 1502 }
648} 1503}
649 1504
650void 1505void
651aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1506aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
652 PROTOTYPE: $$;$ 1507 ALIAS:
1508 aio_ioctl = EIO_IOCTL
1509 aio_fcntl = EIO_FCNTL
653 PPCODE: 1510 PPCODE:
654{ 1511{
655 SV *data; 1512 int fd = s_fileno_croak (fh, 0);
1513 char *svptr;
1514
1515 if (SvPOK (arg) || !SvNIOK (arg))
1516 {
1517 STRLEN svlen;
1518 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1519#ifdef IOCPARM_LEN
1520 STRLEN need = IOCPARM_LEN (request);
1521#else
1522 STRLEN need = 256;
1523#endif
1524
1525 if (svlen < need)
1526 svptr = SvGROW (arg, need);
1527 }
1528 else
1529 svptr = (char *)SvIV (arg);
1530
1531 {
1532 dREQ;
1533
1534 req->type = ix;
1535 req->sv1 = newSVsv (fh);
1536 req->int1 = fd;
1537 req->int2 = (long)request;
1538 req->sv2 = SvREFCNT_inc (arg);
1539 req->ptr2 = svptr;
1540
1541 REQ_SEND;
1542 }
1543}
1544
1545void
1546aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1547 ALIAS:
1548 aio_readlink = EIO_READLINK
1549 aio_realpath = EIO_REALPATH
1550 PPCODE:
1551{
656 dREQ; 1552 dREQ;
657 1553
658 req->type = EIO_READLINK; 1554 req->type = ix;
659 req->sv1 = newSVsv (path); 1555 req_set_path1 (req, pathname);
660 req->ptr1 = SvPVbyte_nolen (req->sv1);
661 1556
662 REQ_SEND; 1557 REQ_SEND;
663} 1558}
664 1559
665void 1560void
666aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) 1561aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
667 PROTOTYPE: $$$$;$
668 PPCODE: 1562 PPCODE:
669{ 1563{
1564 int ifd = s_fileno_croak (in_fh , 0);
1565 int ofd = s_fileno_croak (out_fh, 1);
670 dREQ; 1566 dREQ;
671 1567
672 req->type = EIO_SENDFILE; 1568 req->type = EIO_SENDFILE;
673 req->sv1 = newSVsv (out_fh); 1569 req->sv1 = newSVsv (out_fh);
674 req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); 1570 req->int1 = ofd;
675 req->sv2 = newSVsv (in_fh); 1571 req->sv2 = newSVsv (in_fh);
676 req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); 1572 req->int2 = ifd;
677 req->offs = SvVAL64 (in_offset); 1573 req->offs = in_offset;
678 req->size = length; 1574 req->size = length;
679 1575
680 REQ_SEND; 1576 REQ_SEND;
681} 1577}
682 1578
683void 1579void
684aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) 1580aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
685 PROTOTYPE: $$$;$
686 PPCODE: 1581 PPCODE:
687{ 1582{
1583 int fd = s_fileno_croak (fh, 0);
688 dREQ; 1584 dREQ;
689 1585
690 req->type = EIO_READAHEAD; 1586 req->type = EIO_READAHEAD;
691 req->sv1 = newSVsv (fh); 1587 req->sv1 = newSVsv (fh);
692 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); 1588 req->int1 = fd;
693 req->offs = SvVAL64 (offset); 1589 req->offs = offset;
694 req->size = length; 1590 req->size = length;
695 1591
696 REQ_SEND; 1592 REQ_SEND;
697} 1593}
698 1594
699void 1595void
700aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1596aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
701 ALIAS: 1597 ALIAS:
702 aio_stat = EIO_STAT 1598 aio_stat = EIO_STAT
703 aio_lstat = EIO_LSTAT 1599 aio_lstat = EIO_LSTAT
1600 aio_statvfs = EIO_STATVFS
704 PPCODE: 1601 PPCODE:
705{ 1602{
706 dREQ; 1603 dREQ;
707 1604
708 req->sv1 = newSVsv (fh_or_path); 1605 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
709
710 if (SvPOK (req->sv1))
711 {
712 req->type = ix;
713 req->ptr1 = SvPVbyte_nolen (req->sv1);
714 }
715 else
716 {
717 req->type = EIO_FSTAT;
718 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
719 }
720 1606
721 REQ_SEND; 1607 REQ_SEND;
722} 1608}
723 1609
1610UV
1611major (UV dev)
1612 ALIAS:
1613 minor = 1
1614 CODE:
1615 RETVAL = ix ? minor (dev) : major (dev);
1616 OUTPUT:
1617 RETVAL
1618
1619UV
1620makedev (UV maj, UV min)
1621 CODE:
1622 RETVAL = makedev (maj, min);
1623 OUTPUT:
1624 RETVAL
1625
724void 1626void
725aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1627aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
726 PPCODE: 1628 PPCODE:
727{ 1629{
728 dREQ; 1630 dREQ;
729 1631
730 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1632 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
731 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1633 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
732 req->sv1 = newSVsv (fh_or_path); 1634 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
733
734 if (SvPOK (req->sv1))
735 {
736 req->type = EIO_UTIME;
737 req->ptr1 = SvPVbyte_nolen (req->sv1);
738 }
739 else
740 {
741 req->type = EIO_FUTIME;
742 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
743 }
744 1635
745 REQ_SEND; 1636 REQ_SEND;
746} 1637}
747 1638
748void 1639void
749aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1640aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
750 PPCODE: 1641 PPCODE:
751{ 1642{
752 dREQ; 1643 dREQ;
753 1644
754 req->sv1 = newSVsv (fh_or_path);
755 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1645 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
756 1646 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
757 if (SvPOK (req->sv1))
758 {
759 req->type = EIO_TRUNCATE;
760 req->ptr1 = SvPVbyte_nolen (req->sv1);
761 }
762 else
763 {
764 req->type = EIO_FTRUNCATE;
765 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
766 }
767 1647
768 REQ_SEND; 1648 REQ_SEND;
769} 1649}
770 1650
771void 1651void
772aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1652aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
773 ALIAS:
774 aio_chmod = EIO_CHMOD
775 aio_mkdir = EIO_MKDIR
776 PPCODE: 1653 PPCODE:
777{ 1654{
778 dREQ; 1655 dREQ;
779 1656
780 req->int2 = mode; 1657 req->int2 = mode;
781 req->sv1 = newSVsv (fh_or_path); 1658 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
782
783 if (SvPOK (req->sv1))
784 {
785 req->type = ix;
786 req->ptr1 = SvPVbyte_nolen (req->sv1);
787 }
788 else
789 {
790 req->type = EIO_FCHMOD;
791 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
792 }
793 1659
794 REQ_SEND; 1660 REQ_SEND;
795} 1661}
796 1662
797void 1663void
798aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1664aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
799 PPCODE: 1665 PPCODE:
800{ 1666{
801 dREQ; 1667 dREQ;
802 1668
803 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1669 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
804 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1670 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
805 req->sv1 = newSVsv (fh_or_path); 1671 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
806
807 if (SvPOK (req->sv1))
808 {
809 req->type = EIO_CHOWN;
810 req->ptr1 = SvPVbyte_nolen (req->sv1);
811 }
812 else
813 {
814 req->type = EIO_FCHOWN;
815 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
816 }
817 1672
818 REQ_SEND; 1673 REQ_SEND;
819} 1674}
820 1675
821void 1676void
1677aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1678 PPCODE:
1679{
1680 dREQ;
1681
1682 req->type = EIO_READDIR;
1683 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1684
1685 if (flags & EIO_READDIR_DENTS)
1686 req->int1 |= EIO_READDIR_CUSTOM2;
1687
1688 req_set_path1 (req, pathname);
1689
1690 REQ_SEND;
1691}
1692
1693void
1694aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1695 PPCODE:
1696{
1697 dREQ;
1698
1699 req->type = EIO_MKDIR;
1700 req->int2 = mode;
1701 req_set_path1 (req, pathname);
1702
1703 REQ_SEND;
1704}
1705
1706void
822aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1707aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
823 ALIAS: 1708 ALIAS:
824 aio_unlink = EIO_UNLINK 1709 aio_unlink = EIO_UNLINK
825 aio_rmdir = EIO_RMDIR 1710 aio_rmdir = EIO_RMDIR
826 aio_readdir = EIO_READDIR 1711 aio_readdir = EIO_READDIR
827 PPCODE: 1712 PPCODE:
828{ 1713{
829 dREQ; 1714 dREQ;
830 1715
831 req->type = ix; 1716 req->type = ix;
832 req->sv1 = newSVsv (pathname); 1717 req_set_path1 (req, pathname);
833 req->ptr1 = SvPVbyte_nolen (req->sv1);
834 1718
835 REQ_SEND; 1719 REQ_SEND;
836} 1720}
837 1721
838void 1722void
839aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1723aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
840 ALIAS: 1724 ALIAS:
841 aio_link = EIO_LINK 1725 aio_link = EIO_LINK
842 aio_symlink = EIO_SYMLINK 1726 aio_symlink = EIO_SYMLINK
843 aio_rename = EIO_RENAME 1727 aio_rename = EIO_RENAME
844 PPCODE: 1728 PPCODE:
845{ 1729{
1730 eio_wd wd2 = 0;
846 dREQ; 1731 dREQ;
847 1732
848 req->type = ix; 1733 req->type = ix;
849 req->sv1 = newSVsv (oldpath); 1734 req_set_path1 (req, oldpath);
850 req->ptr1 = SvPVbyte_nolen (req->sv1); 1735 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
851 req->sv2 = newSVsv (newpath); 1736 req->int3 = (long)wd2;
852 req->ptr2 = SvPVbyte_nolen (req->sv2);
853 1737
854 REQ_SEND; 1738 REQ_SEND;
855} 1739}
856 1740
857void 1741void
1742aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1743 PPCODE:
1744{
1745 eio_wd wd2 = 0;
1746 dREQ;
1747
1748 req->type = EIO_RENAME;
1749 req_set_path1 (req, oldpath);
1750 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1751 req->int2 = flags;
1752 req->int3 = (long)wd2;
1753
1754 REQ_SEND;
1755}
1756
1757void
858aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1758aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
859 PPCODE: 1759 PPCODE:
860{ 1760{
861 dREQ; 1761 dREQ;
862 1762
863 req->type = EIO_MKNOD; 1763 req->type = EIO_MKNOD;
864 req->sv1 = newSVsv (pathname);
865 req->ptr1 = SvPVbyte_nolen (req->sv1);
866 req->int2 = (mode_t)mode; 1764 req->int2 = (mode_t)mode;
867 req->offs = dev; 1765 req->offs = dev;
1766 req_set_path1 (req, pathname);
868 1767
869 REQ_SEND; 1768 REQ_SEND;
870} 1769}
871 1770
872void 1771void
1772aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1773 ALIAS:
1774 aio_mtouch = EIO_MTOUCH
1775 aio_msync = EIO_MSYNC
1776 PPCODE:
1777{
1778 STRLEN svlen;
1779 char *svptr = SvPVbyte (data, svlen);
1780 UV len = SvUV (length);
1781
1782 if (flags < 0)
1783 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1784
1785 if (offset < 0)
1786 offset += svlen;
1787
1788 if (offset < 0 || offset > svlen)
1789 croak ("offset outside of scalar");
1790
1791 if (!SvOK (length) || len + offset > svlen)
1792 len = svlen - offset;
1793
1794 {
1795 dREQ;
1796
1797 req->type = ix;
1798 req->sv2 = SvREFCNT_inc (data);
1799 req->ptr2 = (char *)svptr + offset;
1800 req->size = len;
1801 req->int1 = flags;
1802
1803 REQ_SEND;
1804 }
1805}
1806
1807void
1808aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1809 PPCODE:
1810{
1811 STRLEN svlen;
1812 char *svptr = SvPVbyte (data, svlen);
1813 UV len = SvUV (length);
1814
1815 if (offset < 0)
1816 offset += svlen;
1817
1818 if (offset < 0 || offset > svlen)
1819 croak ("offset outside of scalar");
1820
1821 if (!SvOK (length) || len + offset > svlen)
1822 len = svlen - offset;
1823
1824 {
1825 dREQ;
1826
1827 req->type = EIO_MLOCK;
1828 req->sv2 = SvREFCNT_inc (data);
1829 req->ptr2 = (char *)svptr + offset;
1830 req->size = len;
1831
1832 REQ_SEND;
1833 }
1834}
1835
1836void
1837aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1838 PPCODE:
1839{
1840 dREQ;
1841
1842 req->type = EIO_MLOCKALL;
1843 req->int1 = flags;
1844
1845 REQ_SEND;
1846}
1847
1848void
1849aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1850 PPCODE:
1851{
1852 int fd = s_fileno_croak (fh, 0);
1853 dREQ;
1854
1855 req->type = EIO_CUSTOM;
1856 req->sv1 = newSVsv (fh);
1857 req->int1 = fd;
1858
1859 req->feed = fiemap;
1860#if HAVE_FIEMAP
1861 /* keep our fingers crossed that the next two types are 64 bit */
1862 req->offs = start;
1863 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1864 req->int2 = flags;
1865 req->int3 = SvOK (count) ? SvIV (count) : -1;
1866#endif
1867
1868 REQ_SEND;
1869}
1870
1871void
1872aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1873 PPCODE:
1874{
1875 char *svptr = 0;
1876
1877 sv_clear_foreign (data);
1878
1879 if (length) /* known length, directly read into scalar */
1880 {
1881 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1882 svptr = sv_grow (data, length + 1);
1883 else if (SvCUR (data) < length)
1884 croak ("length outside of scalar, and cannot grow");
1885 else
1886 svptr = SvPVbyte_nolen (data);
1887 }
1888
1889 {
1890 dREQ;
1891
1892 req->type = EIO_SLURP;
1893 req_set_path1 (req, pathname);
1894 req->offs = offset;
1895 req->size = length;
1896 req->sv2 = SvREFCNT_inc (data);
1897 req->ptr2 = svptr;
1898
1899 if (!SvREADONLY (data))
1900 {
1901 SvREADONLY_on (data);
1902 req->flags |= FLAG_SV2_RO_OFF;
1903 }
1904
1905 REQ_SEND;
1906 }
1907}
1908
1909void
873aio_busy (double delay, SV *callback=&PL_sv_undef) 1910aio_busy (double delay, SV *callback = &PL_sv_undef)
874 PPCODE: 1911 PPCODE:
875{ 1912{
876 dREQ; 1913 dREQ;
877 1914
878 req->type = EIO_BUSY; 1915 req->type = EIO_BUSY;
… …
880 1917
881 REQ_SEND; 1918 REQ_SEND;
882} 1919}
883 1920
884void 1921void
885aio_group (SV *callback=&PL_sv_undef) 1922aio_group (SV *callback = &PL_sv_undef)
886 PROTOTYPE: ;$
887 PPCODE: 1923 PPCODE:
888{ 1924{
889 dREQ; 1925 dREQ;
890 1926
891 req->type = EIO_GROUP; 1927 req->type = EIO_GROUP;
892 1928
1929 PUTBACK;
893 eio_submit (req); 1930 req_submit (req);
1931 SPAGAIN;
1932
894 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 1933 XPUSHs (req_sv (req, aio_grp_stash));
895} 1934}
896 1935
897void 1936void
898aio_nop (SV *callback=&PL_sv_undef) 1937aio_nop (SV *callback = &PL_sv_undef)
899 ALIAS: 1938 ALIAS:
900 aio_nop = EIO_NOP 1939 aio_nop = EIO_NOP
901 aio_sync = EIO_SYNC 1940 aio_sync = EIO_SYNC
902 PPCODE: 1941 PPCODE:
903{ 1942{
… …
907 1946
908 REQ_SEND; 1947 REQ_SEND;
909} 1948}
910 1949
911int 1950int
912aioreq_pri (int pri = 0) 1951aioreq_pri (int pri = NO_INIT)
913 PROTOTYPE: ;$
914 CODE: 1952 CODE:
915 RETVAL = next_pri; 1953 RETVAL = next_pri;
916 if (items > 0) 1954 if (items > 0)
917 { 1955 {
918 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1956 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
930 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1968 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
931 next_pri = nice; 1969 next_pri = nice;
932 1970
933void 1971void
934flush () 1972flush ()
935 PROTOTYPE:
936 CODE: 1973 CODE:
937 while (eio_nreqs ()) 1974 while (eio_nreqs ())
938 { 1975 {
939 poll_wait (); 1976 poll_wait ();
940 poll_cb (); 1977 poll_cb ();
941 } 1978 }
942 1979
943int 1980int
944poll() 1981poll ()
945 PROTOTYPE:
946 CODE: 1982 CODE:
947 poll_wait (); 1983 poll_wait ();
948 RETVAL = poll_cb (); 1984 RETVAL = poll_cb ();
949 OUTPUT: 1985 OUTPUT:
950 RETVAL 1986 RETVAL
951 1987
952int 1988int
953poll_fileno() 1989poll_fileno ()
954 PROTOTYPE:
955 CODE: 1990 CODE:
956 RETVAL = respipe [0]; 1991 RETVAL = s_epipe_fd (&respipe);
957 OUTPUT: 1992 OUTPUT:
958 RETVAL 1993 RETVAL
959 1994
960int 1995int
961poll_cb(...) 1996poll_cb (...)
962 PROTOTYPE: 1997 PROTOTYPE:
963 CODE: 1998 CODE:
964 RETVAL = poll_cb (); 1999 RETVAL = poll_cb ();
965 OUTPUT: 2000 OUTPUT:
966 RETVAL 2001 RETVAL
967 2002
968void 2003void
969poll_wait() 2004poll_wait ()
970 PROTOTYPE:
971 CODE: 2005 CODE:
972 poll_wait (); 2006 poll_wait ();
973 2007
974int 2008int
975nreqs() 2009nreqs ()
976 PROTOTYPE:
977 CODE: 2010 CODE:
978 RETVAL = eio_nreqs (); 2011 RETVAL = eio_nreqs ();
979 OUTPUT: 2012 OUTPUT:
980 RETVAL 2013 RETVAL
981 2014
982int 2015int
983nready() 2016nready ()
984 PROTOTYPE:
985 CODE: 2017 CODE:
986 RETVAL = eio_nready (); 2018 RETVAL = eio_nready ();
987 OUTPUT: 2019 OUTPUT:
988 RETVAL 2020 RETVAL
989 2021
990int 2022int
991npending() 2023npending ()
992 PROTOTYPE:
993 CODE: 2024 CODE:
994 RETVAL = eio_npending (); 2025 RETVAL = eio_npending ();
995 OUTPUT: 2026 OUTPUT:
996 RETVAL 2027 RETVAL
997 2028
998int 2029int
999nthreads() 2030nthreads ()
1000 PROTOTYPE:
1001 CODE: 2031 CODE:
1002 RETVAL = eio_nthreads (); 2032 RETVAL = eio_nthreads ();
1003 OUTPUT: 2033 OUTPUT:
1004 RETVAL 2034 RETVAL
1005 2035
2036int
2037fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
2038 CODE:
2039 RETVAL = posix_fadvise (fh, offset, length, advice);
2040 OUTPUT:
2041 RETVAL
2042
2043IV
2044sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
2045 CODE:
2046 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
2047 OUTPUT:
2048 RETVAL
2049
2050void
2051mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2052 PPCODE:
2053 sv_clear_foreign (scalar);
2054{
2055 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2056 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2057 if (addr == (void *)-1)
2058 XSRETURN_NO;
2059
2060 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2061
2062 if (!(prot & PROT_WRITE))
2063 SvREADONLY_on (scalar);
2064
2065 XSRETURN_YES;
2066}
2067
2068void
2069munmap (SV *scalar)
2070 CODE:
2071 sv_clear_foreign (scalar);
2072
2073SV *
2074mremap (SV *scalar, STRLEN new_length, int flags = 0, IV new_address = 0)
2075 CODE:
2076{
2077 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2078 void *new;
2079
2080 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2081 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2082
2083 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2084
2085 RETVAL = &PL_sv_no;
2086
2087 if (new != (void *)-1)
2088 {
2089 RETVAL = new == (void *)mg->mg_ptr
2090 ? newSVpvn ("0 but true", 10)
2091 : &PL_sv_yes;
2092
2093 mg->mg_ptr = (char *)new;
2094 mg->mg_obj = (SV *)new_length;
2095
2096 SvPVX (scalar) = mg->mg_ptr;
2097 SvCUR_set (scalar, new_length);
2098 }
2099}
2100 OUTPUT:
2101 RETVAL
2102
2103int
2104madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2105 ALIAS:
2106 mprotect = 1
2107 CODE:
2108{
2109 STRLEN svlen;
2110 void *addr = SvPVbyte (scalar, svlen);
2111 STRLEN len = SvUV (length);
2112
2113 if (offset < 0)
2114 offset += svlen;
2115
2116 if (offset < 0 || offset > svlen)
2117 croak ("offset outside of scalar");
2118
2119 if (!SvOK (length) || len + offset > svlen)
2120 len = svlen - offset;
2121
2122 addr = (void *)(((intptr_t)addr) + offset);
2123 eio_page_align (&addr, &len);
2124
2125 switch (ix)
2126 {
2127 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2128 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2129 }
2130}
2131 OUTPUT:
2132 RETVAL
2133
2134int
2135munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2136 CODE:
2137{
2138 STRLEN svlen;
2139 void *addr = SvPVbyte (scalar, svlen);
2140 size_t len = SvUV (length);
2141
2142 if (offset < 0)
2143 offset += svlen;
2144
2145 if (offset < 0 || offset > svlen)
2146 croak ("offset outside of scalar");
2147
2148 if (!SvOK (length) || len + offset > svlen)
2149 len = svlen - offset;
2150
2151 addr = (void *)(((intptr_t)addr) + offset);
2152 eio_page_align (&addr, &len);
2153#if _POSIX_MEMLOCK_RANGE
2154 RETVAL = munlock (addr, len);
2155#else
2156 RETVAL = EIO_ENOSYS ();
2157#endif
2158}
2159 OUTPUT:
2160 RETVAL
2161
2162int
2163munlockall ()
2164 CODE:
2165#if _POSIX_MEMLOCK
2166 munlockall ();
2167#else
2168 RETVAL = EIO_ENOSYS ();
2169#endif
2170 OUTPUT:
2171 RETVAL
2172
2173int
2174splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2175 CODE:
2176{
2177#if HAVE_LINUX_SPLICE
2178 loff_t off_in_, off_out_;
2179 RETVAL = splice (
2180 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2181 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2182 length, flags
2183 );
2184#else
2185 RETVAL = EIO_ENOSYS ();
2186#endif
2187}
2188 OUTPUT:
2189 RETVAL
2190
2191int
2192tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2193 CODE:
2194#if HAVE_LINUX_SPLICE
2195 RETVAL = tee (rfh, wfh, length, flags);
2196#else
2197 RETVAL = EIO_ENOSYS ();
2198#endif
2199 OUTPUT:
2200 RETVAL
2201
2202int
2203pipesize (aio_rfd rfh, int new_size = -1)
2204 PROTOTYPE: $;$
2205 CODE:
2206#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2207 if (new_size >= 0)
2208 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2209 else
2210 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2211#else
2212 errno = ENOSYS;
2213 RETVAL = -1;
2214#endif
2215 OUTPUT:
2216 RETVAL
2217
2218void
2219pipe2 (int flags = 0)
2220 PROTOTYPE: ;$
2221 PPCODE:
2222{
2223 int fd[2];
2224 int res;
2225
2226 if (flags)
2227#if HAVE_PIPE2
2228 res = pipe2 (fd, flags);
2229#else
2230 res = (errno = ENOSYS, -1);
2231#endif
2232 else
2233 res = pipe (fd);
2234
2235 if (!res)
2236 {
2237 EXTEND (SP, 2);
2238 PUSHs (newmortalFH (fd[0], O_RDONLY));
2239 PUSHs (newmortalFH (fd[1], O_WRONLY));
2240 }
2241}
2242
2243void
2244eventfd (unsigned int initval = 0, int flags = 0)
2245 PPCODE:
2246{
2247 int fd;
2248#if HAVE_EVENTFD
2249 fd = eventfd (initval, flags);
2250#else
2251 fd = (errno = ENOSYS, -1);
2252#endif
2253
2254 XPUSHs (newmortalFH (fd, O_RDWR));
2255}
2256
2257void
2258timerfd_create (int clockid, int flags = 0)
2259 PPCODE:
2260{
2261 int fd;
2262#if HAVE_TIMERFD
2263 fd = timerfd_create (clockid, flags);
2264#else
2265 fd = (errno = ENOSYS, -1);
2266#endif
2267
2268 XPUSHs (newmortalFH (fd, O_RDWR));
2269}
2270
2271void
2272timerfd_settime (SV *fh, int flags, NV interval, NV value)
2273 PPCODE:
2274{
2275 int fd = s_fileno_croak (fh, 0);
2276#if HAVE_TIMERFD
2277 int res;
2278 struct itimerspec its, ots;
2279
2280 ts_set (&its.it_interval, interval);
2281 ts_set (&its.it_value , value);
2282 res = timerfd_settime (fd, flags, &its, &ots);
2283
2284 if (!res)
2285 {
2286 EXTEND (SP, 2);
2287 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2288 PUSHs (newSVnv (ts_get (&ots.it_value)));
2289 }
2290#else
2291 errno = ENOSYS;
2292#endif
2293}
2294
2295void
2296timerfd_gettime (SV *fh)
2297 PPCODE:
2298{
2299 int fd = s_fileno_croak (fh, 0);
2300#if HAVE_TIMERFD
2301 int res;
2302 struct itimerspec ots;
2303 res = timerfd_gettime (fd, &ots);
2304
2305 if (!res)
2306 {
2307 EXTEND (SP, 2);
2308 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2309 PUSHs (newSVnv (ts_get (&ots.it_value)));
2310 }
2311#else
2312 errno = ENOSYS;
2313#endif
2314}
2315
2316UV
2317get_fdlimit ()
2318 CODE:
2319#if HAVE_RLIMITS
2320 struct rlimit rl;
2321 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2322 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2323#endif
2324 XSRETURN_UNDEF;
2325 OUTPUT:
2326 RETVAL
2327
2328void
2329min_fdlimit (UV limit = 0x7fffffffU)
2330 CODE:
2331{
2332#if HAVE_RLIMITS
2333 struct rlimit rl;
2334 rlim_t orig_rlim_max;
2335 UV bit;
2336
2337 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2338 goto fail;
2339
2340 if (rl.rlim_cur == RLIM_INFINITY)
2341 XSRETURN_YES;
2342
2343 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2344
2345 if (rl.rlim_cur < limit)
2346 {
2347 rl.rlim_cur = limit;
2348
2349 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2350 rl.rlim_max = rl.rlim_cur;
2351 }
2352
2353 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2354 XSRETURN_YES;
2355
2356 if (errno == EPERM)
2357 {
2358 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2359 /* our limit overflows a system-wide limit */
2360 /* try an adaptive algorithm, but do not lower the hardlimit */
2361 rl.rlim_max = 0;
2362 for (bit = 0x40000000U; bit; bit >>= 1)
2363 {
2364 rl.rlim_max |= bit;
2365 rl.rlim_cur = rl.rlim_max;
2366
2367 /* nevr decrease the hard limit */
2368 if (rl.rlim_max < orig_rlim_max)
2369 break;
2370
2371 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2372 rl.rlim_max &= ~bit; /* too high, remove bit again */
2373 }
2374
2375 /* now, raise the soft limit to the max permitted */
2376 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2377 {
2378 rl.rlim_cur = rl.rlim_max;
2379 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2380 errno = EPERM;
2381 }
2382 }
2383#endif
2384 fail:
2385 XSRETURN_UNDEF;
2386}
2387
1006void _on_next_submit (SV *cb) 2388void _on_next_submit (SV *cb)
1007 CODE: 2389 CODE:
1008 SvREFCNT_dec (on_next_submit); 2390 SvREFCNT_dec (on_next_submit);
1009 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2391 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1010 2392
1011PROTOTYPES: DISABLE 2393PROTOTYPES: DISABLE
1012 2394
2395MODULE = IO::AIO PACKAGE = IO::AIO::WD
2396
2397BOOT:
2398{
2399 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2400 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2401}
2402
2403void
2404DESTROY (SV *self)
2405 CODE:
2406{
2407 aio_wd wd = SvAIO_WD (self);
2408#if HAVE_AT
2409 {
2410 SV *callback = &PL_sv_undef;
2411 dREQ; /* clobbers next_pri :/ */
2412 next_pri = req->pri; /* restore next_pri */
2413 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2414 req->type = EIO_WD_CLOSE;
2415 req->wd = wd;
2416 REQ_SEND;
2417 }
2418#else
2419 eio_wd_close_sync (wd);
2420#endif
2421}
2422
1013MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2423MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1014 2424
1015void 2425void
1016cancel (aio_req_ornot req) 2426cancel (aio_req_ornot req)
1017 CODE: 2427 CODE:
1018 eio_cancel (req); 2428 eio_cancel (req);
1019 2429
1020void 2430void
1021cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2431cb (aio_req_ornot req, SV *callback = NO_INIT)
1022 CODE: 2432 PPCODE:
2433{
2434 if (GIMME_V != G_VOID)
2435 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
2436
2437 if (items > 1)
2438 {
2439 SV *cb_cv = get_cb (callback);
2440
1023 SvREFCNT_dec (req->callback); 2441 SvREFCNT_dec (req->callback);
1024 req->callback = newSVsv (callback); 2442 req->callback = SvREFCNT_inc (cb_cv);
2443 }
2444}
1025 2445
1026MODULE = IO::AIO PACKAGE = IO::AIO::GRP 2446MODULE = IO::AIO PACKAGE = IO::AIO::GRP
1027 2447
1028void 2448void
1029add (aio_req grp, ...) 2449add (aio_req grp, ...)
… …
1061 AV *av; 2481 AV *av;
1062 2482
1063 grp->errorno = errno; 2483 grp->errorno = errno;
1064 2484
1065 av = newAV (); 2485 av = newAV ();
2486 av_extend (av, items - 1);
1066 2487
1067 for (i = 1; i < items; ++i ) 2488 for (i = 1; i < items; ++i )
1068 av_push (av, newSVsv (ST (i))); 2489 av_push (av, newSVsv (ST (i)));
1069 2490
1070 SvREFCNT_dec (grp->sv1); 2491 SvREFCNT_dec (grp->sv1);
… …
1080limit (aio_req grp, int limit) 2501limit (aio_req grp, int limit)
1081 CODE: 2502 CODE:
1082 eio_grp_limit (grp, limit); 2503 eio_grp_limit (grp, limit);
1083 2504
1084void 2505void
1085feed (aio_req grp, SV *callback=&PL_sv_undef) 2506feed (aio_req grp, SV *callback = &PL_sv_undef)
1086 CODE: 2507 CODE:
1087{ 2508{
1088 SvREFCNT_dec (grp->sv2); 2509 SvREFCNT_dec (grp->sv2);
1089 grp->sv2 = newSVsv (callback); 2510 grp->sv2 = newSVsv (callback);
2511 grp->feed = aio_grp_feed;
1090 2512
1091 if (grp->int2 <= 0) 2513 if (grp->int2 <= 0)
1092 grp->int2 = 2; 2514 grp->int2 = 2;
1093 2515
1094 eio_grp_limit (grp, grp->int2); 2516 eio_grp_limit (grp, grp->int2);

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