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

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.155 by root, Fri Jul 17 00:56:54 2009 UTC vs.
Revision 1.267 by root, Sat Aug 25 19:25:32 2018 UTC

… …
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 8
9#include "schmorp.h" 9#if !defined mg_findext
10# define mg_findext(sv,type,vtbl) mg_find (sv, type)
11#endif
10 12
11#include <stddef.h> 13#include <stddef.h>
12#include <stdlib.h> 14#include <stdlib.h>
13#include <errno.h> 15#include <errno.h>
14#include <sys/types.h> 16#include <sys/types.h>
17#include <sys/socket.h>
15#include <sys/stat.h> 18#include <sys/stat.h>
16#include <limits.h> 19#include <limits.h>
17#include <fcntl.h> 20#include <fcntl.h>
18#include <sched.h> 21#include <sched.h>
19 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
20/* perl namespace pollution */ 47/* perl namespace pollution */
21#undef VERSION 48#undef VERSION
22
23#ifdef _WIN32
24
25# define EIO_STRUCT_DIRENT Direntry_t
26# undef malloc
27# undef free
28
29// perl overrides all those nice win32 functions
30# undef open
31# undef read
32# undef write
33# undef send
34# undef recv
35# undef stat
36# undef fstat
37# define lstat stat
38# undef truncate
39# undef ftruncate
40# undef open
41# undef close
42# undef unlink
43# undef rmdir
44# undef rename
45# undef lseek
46
47# define chown(a,b,c) (errno = ENOSYS, -1)
48# define fchown(a,b,c) (errno = ENOSYS, -1)
49# define fchmod(a,b) (errno = ENOSYS, -1)
50# define symlink(a,b) (errno = ENOSYS, -1)
51# define readlink(a,b,c) (errno = ENOSYS, -1)
52# define mknod(a,b,c) (errno = ENOSYS, -1)
53# define truncate(a,b) (errno = ENOSYS, -1)
54# define ftruncate(fd,o) chsize ((fd), (o))
55# define fsync(fd) _commit (fd)
56# define opendir(fd) (errno = ENOSYS, 0)
57# define readdir(fd) (errno = ENOSYS, -1)
58# define closedir(fd) (errno = ENOSYS, -1)
59# define mkdir(a,b) mkdir (a)
60
61#else
62
63# include <sys/time.h>
64# include <sys/select.h>
65# include <unistd.h>
66# include <utime.h>
67# include <signal.h>
68# define EIO_STRUCT_DIRENT struct dirent
69
70#endif
71 49
72/* perl stupidly overrides readdir and maybe others */ 50/* perl stupidly overrides readdir and maybe others */
73/* with thread-unsafe versions, imagine that :( */ 51/* with thread-unsafe versions, imagine that :( */
74#undef readdir 52#undef readdir
75#undef opendir 53#undef opendir
76#undef closedir 54#undef closedir
77 55
56#ifdef _WIN32
57
58 // perl overrides all those nice libc functions
59
60 #undef malloc
61 #undef free
62 #undef open
63 #undef read
64 #undef write
65 #undef send
66 #undef recv
67 #undef stat
68 #undef lstat
69 #undef fstat
70 #undef truncate
71 #undef ftruncate
72 #undef open
73 #undef link
74 #undef close
75 #undef unlink
76 #undef mkdir
77 #undef rmdir
78 #undef rename
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
90
91 #define EIO_STRUCT_STAT struct _stati64
78#define EIO_STRUCT_STAT Stat_t 92 #define EIO_STRUCT_STATI64
79 93
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else 94#else
86# define VAL64 NV 95
87# define SvVAL64 SvNV 96 #include <sys/time.h>
88# define newSVval64 newSVnv 97 #include <sys/select.h>
98 #include <unistd.h>
99 #include <utime.h>
100 #include <signal.h>
101
102 #define EIO_STRUCT_STAT Stat_t
103
89#endif 104#endif
90 105
91/*****************************************************************************/ 106/*****************************************************************************/
92 107
93#if __GNUC__ >= 3 108#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 114#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 115#define expect_true(expr) expect ((expr) != 0, 1)
101 116
102/*****************************************************************************/ 117/*****************************************************************************/
103 118
104static HV *stash; 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
105typedef SV SV8; /* byte-sv, used for argument-checking */ 167typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 168typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 169typedef int aio_wfd; /* write file descriptor */
108 170
109#define AIO_REQ_KLASS "IO::AIO::REQ" 171static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110#define AIO_GRP_KLASS "IO::AIO::GRP"
111 172
112#define EIO_REQ_MEMBERS \ 173#define EIO_REQ_MEMBERS \
113 SV *callback; \ 174 SV *callback; \
114 SV *sv1, *sv2; \ 175 SV *sv1, *sv2; \
176 SV *sv3, *sv4; \
115 STRLEN stroffset; \ 177 STRLEN stroffset; \
116 SV *self; 178 SV *self;
117 179
118#define EIO_NO_WRAPPERS 1 180#define EIO_NO_WRAPPERS 1
119 181
120#include "libeio/eio.h" 182#include "libeio/eio.h"
121
122#ifndef POSIX_FADV_NORMAL
123# define POSIX_FADV_NORMAL 0
124# define NO_FADVISE 1
125#endif
126
127#ifndef POSIX_FADV_SEQUENTIAL
128# define POSIX_FADV_SEQUENTIAL 0
129#endif
130
131#ifndef POSIX_FADV_RANDOM
132# define POSIX_FADV_RANDOM 0
133#endif
134
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138
139#ifndef POSIX_FADV_WILLNEED
140# define POSIX_FADV_WILLNEED 0
141#endif
142
143#ifndef POSIX_FADV_DONTNEED
144# define POSIX_FADV_DONTNEED 0
145#endif
146 183
147static int req_invoke (eio_req *req); 184static int req_invoke (eio_req *req);
148#define EIO_FINISH(req) req_invoke (req) 185#define EIO_FINISH(req) req_invoke (req)
149static void req_destroy (eio_req *grp); 186static void req_destroy (eio_req *grp);
150#define EIO_DESTROY(req) req_destroy (req) 187#define EIO_DESTROY(req) req_destroy (req)
151 188
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 */
428
152enum { 429enum {
153 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 430 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
154}; 431};
155 432
156#include "libeio/eio.c"
157
158typedef eio_req *aio_req; 433typedef eio_req *aio_req;
159typedef eio_req *aio_req_ornot; 434typedef eio_req *aio_req_ornot;
435typedef eio_wd aio_wd;
160 436
161static SV *on_next_submit; 437static SV *on_next_submit;
162static int next_pri = EIO_PRI_DEFAULT; 438static int next_pri = EIO_PRI_DEFAULT;
163static int max_outstanding; 439static int max_outstanding;
164 440
165static s_epipe respipe; 441static s_epipe respipe;
166 442
167static void req_destroy (aio_req req); 443static void req_destroy (aio_req req);
168static void req_cancel (aio_req req); 444static void req_cancel (aio_req req);
169 445
170static void want_poll (void) 446static void
447want_poll (void)
171{ 448{
172 /* write a dummy byte to the pipe so fh becomes ready */ 449 /* write a dummy byte to the pipe so fh becomes ready */
173 s_epipe_signal (&respipe); 450 s_epipe_signal (&respipe);
174} 451}
175 452
176static void done_poll (void) 453static void
454done_poll (void)
177{ 455{
178 /* read any signals sent by the worker threads */ 456 /* read any signals sent by the worker threads */
179 s_epipe_drain (&respipe); 457 s_epipe_drain (&respipe);
180} 458}
181 459
182/* must be called at most once */ 460/* must be called at most once */
183static SV *req_sv (aio_req req, const char *klass) 461static SV *
462req_sv (aio_req req, HV *stash)
184{ 463{
185 if (!req->self) 464 if (!req->self)
186 { 465 {
187 req->self = (SV *)newHV (); 466 req->self = (SV *)newHV ();
188 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 467 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
189 } 468 }
190 469
191 return sv_2mortal (sv_bless (newRV_inc (req->self), gv_stashpv (klass, 1))); 470 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
192} 471}
193 472
194static 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)
195{ 481{
196 MAGIC *mg; 482 MAGIC *mg;
197 483
198 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")))
199 croak ("object of class " AIO_REQ_KLASS " expected"); 489 croak ("object of class IO::AIO::REQ expected");
200 490
201 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 491 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
202 492
203 return mg ? (aio_req)mg->mg_ptr : 0; 493 return mg ? (aio_req)mg->mg_ptr : 0;
204} 494}
205 495
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
206static void aio_grp_feed (aio_req grp) 533aio_grp_feed (aio_req grp)
207{ 534{
208 if (grp->sv2 && SvOK (grp->sv2)) 535 if (grp->sv2 && SvOK (grp->sv2))
209 { 536 {
210 dSP; 537 dSP;
211 538
212 ENTER; 539 ENTER;
213 SAVETMPS; 540 SAVETMPS;
214 PUSHMARK (SP); 541 PUSHMARK (SP);
215 XPUSHs (req_sv (grp, AIO_GRP_KLASS)); 542 XPUSHs (req_sv (grp, aio_grp_stash));
216 PUTBACK; 543 PUTBACK;
217 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR); 544 call_sv (grp->sv2, G_VOID | G_EVAL | G_KEEPERR);
218 SPAGAIN; 545 SPAGAIN;
219 FREETMPS; 546 FREETMPS;
220 LEAVE; 547 LEAVE;
221 } 548 }
222} 549}
223 550
551static void
224static void req_submit (eio_req *req) 552req_submit (eio_req *req)
225{ 553{
226 eio_submit (req); 554 eio_submit (req);
227 555
228 if (expect_false (on_next_submit)) 556 if (expect_false (on_next_submit))
229 { 557 {
… …
236 PUTBACK; 564 PUTBACK;
237 call_sv (cb, G_DISCARD | G_EVAL); 565 call_sv (cb, G_DISCARD | G_EVAL);
238 } 566 }
239} 567}
240 568
569static int
241static int req_invoke (eio_req *req) 570req_invoke (eio_req *req)
242{ 571{
243 dSP;
244
245 if (req->flags & FLAG_SV2_RO_OFF) 572 if (req->flags & FLAG_SV2_RO_OFF)
246 SvREADONLY_off (req->sv2); 573 SvREADONLY_off (req->sv2);
247 574
248 if (!EIO_CANCELLED (req) && req->callback) 575 if (!EIO_CANCELLED (req) && req->callback)
249 { 576 {
577 dSP;
578 static SV *sv_result_cache; /* caches the result integer SV */
579 SV *sv_result;
580
250 ENTER; 581 ENTER;
251 SAVETMPS; 582 SAVETMPS;
252 PUSHMARK (SP); 583 PUSHMARK (SP);
253 EXTEND (SP, 1); 584 EXTEND (SP, 1);
254 585
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
255 switch (req->type) 599 switch (req->type)
256 { 600 {
601 case EIO_WD_OPEN:
602 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
603 break;
604
257 case EIO_READDIR: 605 case EIO_READDIR:
258 { 606 {
259 SV *rv = &PL_sv_undef; 607 SV *rv = &PL_sv_undef;
260 608
261 if (req->result >= 0) 609 if (req->result >= 0)
… …
314 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 662 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
315 } 663 }
316 break; 664 break;
317 665
318 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:
319 { 672 {
320 /* convert fd to fh */
321 SV *fh = &PL_sv_undef; 673 SV *rv = &PL_sv_undef;
322 674
675#ifndef _WIN32
323 if (req->result >= 0) 676 if (req->result >= 0)
324 { 677 {
678 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
325 GV *gv = (GV *)sv_newmortal (); 679 HV *hv = newHV ();
326 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR); 680 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
327 char sym [64]; 681 * chooses to make it a struct.
328 int symlen;
329 682 */
330 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result); 683 unsigned long fsid = 0;
331 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));
332 685
333 symlen = snprintf ( 686 rv = sv_2mortal (newRV_noinc ((SV *)hv));
334 sym,
335 sizeof (sym),
336 "%s&=%d",
337 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
338 (int)req->result
339 );
340 687
341 if (do_open (gv, sym, symlen, 0, 0, 0, 0)) 688 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
342 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);
343 } 699 }
700#endif
344 701
345 PUSHs (fh); 702 PUSHs (rv);
346 } 703 }
704
347 break; 705 break;
348 706
349 case EIO_GROUP: 707 case EIO_GROUP:
350 req->int1 = 2; /* mark group as finished */ 708 req->int1 = 2; /* mark group as finished */
351 709
… …
363 case EIO_NOP: 721 case EIO_NOP:
364 case EIO_BUSY: 722 case EIO_BUSY:
365 break; 723 break;
366 724
367 case EIO_READLINK: 725 case EIO_READLINK:
726 case EIO_REALPATH:
368 if (req->result > 0) 727 if (req->result > 0)
369 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 728 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
370 break; 729 break;
371 730
372 case EIO_STAT: 731 case EIO_STAT:
373 case EIO_LSTAT: 732 case EIO_LSTAT:
374 case EIO_FSTAT: 733 case EIO_FSTAT:
375 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 734 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
735
376 PL_laststatval = req->result; 736 if (!(PL_laststatval = req->result))
737 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
377 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 738 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
378 PUSHs (sv_2mortal (newSViv (req->result))); 739
740 PUSHs (sv_result);
741 break;
742
743 case EIO_SEEK:
744 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
379 break; 745 break;
380 746
381 case EIO_READ: 747 case EIO_READ:
382 { 748 {
383 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));
384 *SvEND (req->sv2) = 0; 750 *SvEND (req->sv2) = 0;
385 SvPOK_only (req->sv2); 751 SvPOK_only (req->sv2);
386 SvSETMAGIC (req->sv2); 752 SvSETMAGIC (req->sv2);
387 PUSHs (sv_2mortal (newSViv (req->result))); 753 PUSHs (sv_result);
388 } 754 }
389 break; 755 break;
390 756
391 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 */
392 if (req->result > 0) 822 if (req->result > 0)
393 req->result = 0; 823 SvIV_set (sv_result, 0);
394 /* FALLTHROUGH */ 824 /* FALLTHROUGH */
395 825
396 default: 826 default:
397 PUSHs (sv_2mortal (newSViv (req->result))); 827 PUSHs (sv_result);
398 break; 828 break;
399 } 829 }
400 830
401 errno = req->errorno; 831 errno = req->errorno;
402 832
403 PUTBACK; 833 PUTBACK;
404 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 834 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
405 SPAGAIN; 835 SPAGAIN;
406 836
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
407 FREETMPS; 842 FREETMPS;
408 LEAVE; 843 LEAVE;
409 844
410 PUTBACK; 845 PUTBACK;
411 } 846 }
412 847
413 return !!SvTRUE (ERRSV); 848 return !!SvTRUE (ERRSV);
414} 849}
415 850
851static void
416static void req_destroy (aio_req req) 852req_destroy (aio_req req)
417{ 853{
418 if (req->self) 854 if (req->self)
419 { 855 {
420 sv_unmagic (req->self, PERL_MAGIC_ext); 856 sv_unmagic (req->self, PERL_MAGIC_ext);
421 SvREFCNT_dec (req->self); 857 SvREFCNT_dec (req->self);
422 } 858 }
423 859
424 SvREFCNT_dec (req->sv1); 860 SvREFCNT_dec (req->sv1);
425 SvREFCNT_dec (req->sv2); 861 SvREFCNT_dec (req->sv2);
862 SvREFCNT_dec (req->sv3);
863 SvREFCNT_dec (req->sv4);
426 SvREFCNT_dec (req->callback); 864 SvREFCNT_dec (req->callback);
427 865
428 Safefree (req); 866 free (req);
429} 867}
430 868
869static void
431static void req_cancel_subs (aio_req grp) 870req_cancel_subs (aio_req grp)
432{ 871{
433 aio_req sub;
434
435 if (grp->type != EIO_GROUP) 872 if (grp->type != EIO_GROUP)
436 return; 873 return;
437 874
438 SvREFCNT_dec (grp->sv2); 875 SvREFCNT_dec (grp->sv2);
439 grp->sv2 = 0; 876 grp->sv2 = 0;
440 877
441 eio_grp_cancel (grp); 878 eio_grp_cancel (grp);
442} 879}
443 880
444static void 881static void ecb_cold
445create_respipe (void) 882create_respipe (void)
446{ 883{
447 if (s_epipe_renew (&respipe)) 884 if (s_epipe_renew (&respipe))
448 croak ("IO::AIO: unable to initialize result pipe"); 885 croak ("IO::AIO: unable to initialize result pipe");
449} 886}
450 887
451static void poll_wait (void) 888static void
889poll_wait (void)
452{ 890{
453 while (eio_nreqs ()) 891 while (eio_nreqs ())
454 { 892 {
455 int size; 893 int size;
456 894
457 X_LOCK (reslock); 895 X_LOCK (EIO_POOL->reslock);
458 size = res_queue.size; 896 size = EIO_POOL->res_queue.size;
459 X_UNLOCK (reslock); 897 X_UNLOCK (EIO_POOL->reslock);
460 898
461 if (size) 899 if (size)
462 return; 900 return;
463 901
464 etp_maybe_start_thread (); 902 etp_maybe_start_thread (EIO_POOL);
465 903
466 s_epipe_wait (&respipe); 904 s_epipe_wait (&respipe);
467 } 905 }
468} 906}
469 907
470static int poll_cb (void) 908static int
909poll_cb (void)
471{ 910{
472 for (;;) 911 for (;;)
473 { 912 {
474 int res = eio_poll (); 913 int res = eio_poll ();
475 914
… …
481 920
482 poll_wait (); 921 poll_wait ();
483 } 922 }
484} 923}
485 924
486static void atfork_child (void) 925static void ecb_cold
926reinit (void)
487{ 927{
488 create_respipe (); 928 create_respipe ();
929
930 if (eio_init (want_poll, done_poll) < 0)
931 croak ("IO::AIO: unable to initialise eio library");
489} 932}
933
934/*****************************************************************************/
490 935
491static SV * 936static SV *
492get_cb (SV *cb_sv) 937get_cb (SV *cb_sv)
493{ 938{
494 SvGETMAGIC (cb_sv); 939 SvGETMAGIC (cb_sv);
495 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 940 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
496} 941}
497 942
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;
961}
962
498#define dREQ \ 963#define dREQ \
499 SV *cb_cv; \ 964 aio_req req = dreq (callback); \
500 aio_req req; \
501 int req_pri = next_pri; \
502 next_pri = EIO_PRI_DEFAULT; \
503 \
504 cb_cv = get_cb (callback); \
505 \
506 Newz (0, req, 1, eio_req); \
507 if (!req) \
508 croak ("out of memory during eio_req allocation"); \
509 \
510 req->callback = SvREFCNT_inc (cb_cv); \
511 req->pri = req_pri
512 965
513#define REQ_SEND \ 966#define REQ_SEND \
514 PUTBACK; \ 967 PUTBACK; \
515 req_submit (req); \ 968 req_submit (req); \
516 SPAGAIN; \ 969 SPAGAIN; \
517 \ 970 \
518 if (GIMME_V != G_VOID) \ 971 if (GIMME_V != G_VOID) \
519 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 972 XPUSHs (req_sv (req, aio_req_stash));
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;
520 1056
521MODULE = IO::AIO PACKAGE = IO::AIO 1057MODULE = IO::AIO PACKAGE = IO::AIO
522 1058
523PROTOTYPES: ENABLE 1059PROTOTYPES: ENABLE
524 1060
… …
526{ 1062{
527 static const struct { 1063 static const struct {
528 const char *name; 1064 const char *name;
529 IV iv; 1065 IV iv;
530 } *civ, const_iv[] = { 1066 } *civ, const_iv[] = {
531# define const_iv(name, value) { # name, (IV) value }, 1067# define const_niv(name, value) { # name, (IV) value },
1068# define const_iv(name) { # name, (IV) name },
532# define const_eio(name) { # name, (IV) EIO_ ## name }, 1069# define const_eio(name) { # name, (IV) EIO_ ## name },
533 const_iv (EXDEV , EXDEV) 1070
1071 /* you have to re-run ./gendef0 after adding/removing any constants here */
1072 /* the first block can be undef if missing */
534 const_iv (ENOSYS , ENOSYS) 1073 const_iv (ENOSYS)
535 const_iv (O_RDONLY, O_RDONLY) 1074 const_iv (EXDEV)
536 const_iv (O_WRONLY, O_WRONLY) 1075 const_iv (EBADR)
537 const_iv (O_CREAT , O_CREAT) 1076
538 const_iv (O_TRUNC , O_TRUNC) 1077 /* for lseek */
539#ifndef _WIN32 1078 const_iv (SEEK_DATA)
540 const_iv (S_IFIFO , S_IFIFO) 1079 const_iv (SEEK_HOLE)
541#endif 1080
542 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1081 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
543 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1082 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
544 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1083 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
545 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1084 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
546 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1085 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
547 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 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)
548 1284
549 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1285 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
550 const_eio (SYNC_FILE_RANGE_WRITE) 1286 const_eio (SYNC_FILE_RANGE_WRITE)
551 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 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)
552 1299
553 const_eio (READDIR_DENTS) 1300 const_eio (READDIR_DENTS)
554 const_eio (READDIR_DIRS_FIRST) 1301 const_eio (READDIR_DIRS_FIRST)
555 const_eio (READDIR_STAT_ORDER) 1302 const_eio (READDIR_STAT_ORDER)
556 const_eio (READDIR_FOUND_UNKNOWN) 1303 const_eio (READDIR_FOUND_UNKNOWN)
… …
564 const_eio (DT_LNK) 1311 const_eio (DT_LNK)
565 const_eio (DT_SOCK) 1312 const_eio (DT_SOCK)
566 const_eio (DT_WHT) 1313 const_eio (DT_WHT)
567 }; 1314 };
568 1315
569 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);
570 1320
571 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1321 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
572 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1322 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
573 1323
574 create_respipe (); 1324 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
575 1325
576 if (eio_init (want_poll, done_poll) < 0) 1326 /* allocate dummy pipe fd for aio_close */
577 croak ("IO::AIO: unable to initialise eio library"); 1327 {
1328 int pipefd [2];
578 1329
579 /* atfork child called in fifo order, so before eio's handler */ 1330 if (
580 X_THREAD_ATFORK (0, 0, atfork_child); 1331#ifdef _WIN32
581} 1332 _pipe (pipefd, 1, _O_BINARY) < 0
1333#else
1334 pipe (pipefd) < 0
1335 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1336#endif
1337 || close (pipefd [1]) < 0
1338 )
1339 croak ("IO::AIO: unable to create dummy pipe for aio_close");
582 1340
1341 close_fd = pipefd [0];
1342 }
1343
1344 reinit ();
1345}
1346
583void 1347void
1348reinit ()
1349 PROTOTYPE:
1350
1351void
584max_poll_reqs (int nreqs) 1352max_poll_reqs (unsigned int nreqs)
585 PROTOTYPE: $ 1353 PROTOTYPE: $
586 CODE: 1354 CODE:
587 eio_set_max_poll_reqs (nreqs); 1355 eio_set_max_poll_reqs (nreqs);
588 1356
589void 1357void
… …
591 PROTOTYPE: $ 1359 PROTOTYPE: $
592 CODE: 1360 CODE:
593 eio_set_max_poll_time (nseconds); 1361 eio_set_max_poll_time (nseconds);
594 1362
595void 1363void
596min_parallel (int nthreads) 1364min_parallel (unsigned int nthreads)
597 PROTOTYPE: $ 1365 PROTOTYPE: $
598 CODE: 1366 CODE:
599 eio_set_min_parallel (nthreads); 1367 eio_set_min_parallel (nthreads);
600 1368
601void 1369void
602max_parallel (int nthreads) 1370max_parallel (unsigned int nthreads)
603 PROTOTYPE: $ 1371 PROTOTYPE: $
604 CODE: 1372 CODE:
605 eio_set_max_parallel (nthreads); 1373 eio_set_max_parallel (nthreads);
606 1374
607void 1375void
608max_idle (int nthreads) 1376max_idle (unsigned int nthreads)
609 PROTOTYPE: $ 1377 PROTOTYPE: $
610 CODE: 1378 CODE:
611 eio_set_max_idle (nthreads); 1379 eio_set_max_idle (nthreads);
612 1380
613void 1381void
1382idle_timeout (unsigned int seconds)
1383 PROTOTYPE: $
1384 CODE:
1385 eio_set_idle_timeout (seconds);
1386
1387void
614max_outstanding (int maxreqs) 1388max_outstanding (unsigned int maxreqs)
615 PROTOTYPE: $ 1389 PROTOTYPE: $
616 CODE: 1390 CODE:
617 max_outstanding = maxreqs; 1391 max_outstanding = maxreqs;
618 1392
619void 1393void
620aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1394aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
621 PROTOTYPE: $$$;$
622 PPCODE: 1395 PPCODE:
623{ 1396{
624 dREQ; 1397 dREQ;
625 1398
1399 req->type = EIO_WD_OPEN;
1400 req_set_path1 (req, pathname);
1401
1402 REQ_SEND;
1403}
1404
1405void
1406aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1407 PPCODE:
1408{
1409 dREQ;
1410
626 req->type = EIO_OPEN; 1411 req->type = EIO_OPEN;
627 req->sv1 = newSVsv (pathname); 1412 req_set_path1 (req, pathname);
628 req->ptr1 = SvPVbyte_nolen (req->sv1);
629 req->int1 = flags; 1413 req->int1 = flags;
630 req->int2 = mode; 1414 req->int2 = mode;
631 1415
632 REQ_SEND; 1416 REQ_SEND;
633} 1417}
634 1418
635void 1419void
636aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1420aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
637 PROTOTYPE: $;$
638 ALIAS: 1421 ALIAS:
639 aio_fsync = EIO_FSYNC 1422 aio_fsync = EIO_FSYNC
640 aio_fdatasync = EIO_FDATASYNC 1423 aio_fdatasync = EIO_FDATASYNC
1424 aio_syncfs = EIO_SYNCFS
641 PPCODE: 1425 PPCODE:
642{ 1426{
643 int fd = s_fileno_croak (fh, 0); 1427 int fd = s_fileno_croak (fh, 0);
644 dREQ; 1428 dREQ;
645 1429
646 req->type = ix; 1430 req->type = ix;
647 req->sv1 = newSVsv (fh); 1431 req->sv1 = newSVsv (fh);
648 req->int1 = fd; 1432 req->int1 = fd;
649 1433
650 REQ_SEND (req); 1434 REQ_SEND;
651} 1435}
652 1436
653void 1437void
654aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1438aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
655 PROTOTYPE: $$$$;$
656 PPCODE: 1439 PPCODE:
657{ 1440{
658 int fd = s_fileno_croak (fh, 0); 1441 int fd = s_fileno_croak (fh, 0);
659 dREQ; 1442 dREQ;
660 1443
661 req->type = EIO_SYNC_FILE_RANGE; 1444 req->type = EIO_SYNC_FILE_RANGE;
662 req->sv1 = newSVsv (fh); 1445 req->sv1 = newSVsv (fh);
663 req->int1 = fd; 1446 req->int1 = fd;
664 req->offs = offset; 1447 req->offs = offset;
665 req->size = nbytes; 1448 req->size = nbytes;
666 req->int2 = flags; 1449 req->int2 = flags;
667 1450
668 REQ_SEND (req); 1451 REQ_SEND;
669} 1452}
670 1453
671void 1454void
672aio_close (SV *fh, SV *callback=&PL_sv_undef) 1455aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
673 PROTOTYPE: $;$
674 PPCODE: 1456 PPCODE:
675{ 1457{
676 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
677 int fd = s_fileno_croak (fh, 0); 1458 int fd = s_fileno_croak (fh, 0);
678 dREQ; 1459 dREQ;
679 1460
680 if (close_pipe < 0) 1461 req->type = EIO_FALLOCATE;
681 { 1462 req->sv1 = newSVsv (fh);
682 int pipefd [2]; 1463 req->int1 = fd;
1464 req->int2 = mode;
1465 req->offs = offset;
1466 req->size = len;
683 1467
684 if (pipe (pipefd) < 0 1468 REQ_SEND;
685 || close (pipefd [1]) < 0 1469}
686 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0)
687 abort (); /*D*/
688 1470
689 close_pipe = pipefd [0]; 1471void
690 } 1472aio_close (SV *fh, SV *callback = &PL_sv_undef)
1473 PPCODE:
1474{
1475 int fd = s_fileno_croak (fh, 0);
1476 dREQ;
691 1477
692 req->type = EIO_DUP2; 1478 req->type = EIO_DUP2;
693 req->int1 = close_pipe; 1479 req->int1 = close_fd;
694 req->sv2 = newSVsv (fh); 1480 req->sv2 = newSVsv (fh);
695 req->int2 = fd; 1481 req->int2 = fd;
696 1482
697 REQ_SEND (req); 1483 REQ_SEND;
698} 1484}
699 1485
700void 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
701aio_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)
702 ALIAS: 1504 ALIAS:
703 aio_read = EIO_READ 1505 aio_read = EIO_READ
704 aio_write = EIO_WRITE 1506 aio_write = EIO_WRITE
705 PROTOTYPE: $$$$$;$
706 PPCODE: 1507 PPCODE:
707{ 1508{
708 STRLEN svlen; 1509 STRLEN svlen;
709 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1510 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
710 char *svptr = SvPVbyte (data, svlen); 1511 char *svptr = SvPVbyte (data, svlen);
… …
723 len = svlen - dataoffset; 1524 len = svlen - dataoffset;
724 } 1525 }
725 else 1526 else
726 { 1527 {
727 /* read: check type and grow scalar as necessary */ 1528 /* read: check type and grow scalar as necessary */
728 SvUPGRADE (data, SVt_PV); 1529 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
729 svptr = SvGROW (data, len + dataoffset + 1); 1530 svptr = sv_grow (data, len + dataoffset + 1);
1531 else if (SvCUR (data) < len + dataoffset)
1532 croak ("length + dataoffset outside of scalar, and cannot grow");
730 } 1533 }
731 1534
732 { 1535 {
733 dREQ; 1536 dREQ;
734 1537
… …
750 REQ_SEND; 1553 REQ_SEND;
751 } 1554 }
752} 1555}
753 1556
754void 1557void
755aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1558aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
756 PROTOTYPE: $$;$ 1559 ALIAS:
1560 aio_ioctl = EIO_IOCTL
1561 aio_fcntl = EIO_FCNTL
757 PPCODE: 1562 PPCODE:
758{ 1563{
759 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{
760 dREQ; 1604 dREQ;
761 1605
762 req->type = EIO_READLINK; 1606 req->type = ix;
763 req->sv1 = newSVsv (path); 1607 req_set_path1 (req, pathname);
764 req->ptr1 = SvPVbyte_nolen (req->sv1);
765 1608
766 REQ_SEND; 1609 REQ_SEND;
767} 1610}
768 1611
769void 1612void
770aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t 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)
771 PROTOTYPE: $$$$;$
772 PPCODE: 1614 PPCODE:
773{ 1615{
774 int ifd = s_fileno_croak (in_fh , 0); 1616 int ifd = s_fileno_croak (in_fh , 0);
775 int ofd = s_fileno_croak (out_fh, 1); 1617 int ofd = s_fileno_croak (out_fh, 1);
776 dREQ; 1618 dREQ;
777 1619
778 req->type = EIO_SENDFILE; 1620 req->type = EIO_SENDFILE;
779 req->sv1 = newSVsv (out_fh); 1621 req->sv1 = newSVsv (out_fh);
780 req->int1 = ofd; 1622 req->int1 = ofd;
… …
785 1627
786 REQ_SEND; 1628 REQ_SEND;
787} 1629}
788 1630
789void 1631void
790aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1632aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
791 PROTOTYPE: $$$;$
792 PPCODE: 1633 PPCODE:
793{ 1634{
794 int fd = s_fileno_croak (fh, 0); 1635 int fd = s_fileno_croak (fh, 0);
795 dREQ; 1636 dREQ;
796 1637
797 req->type = EIO_READAHEAD; 1638 req->type = EIO_READAHEAD;
798 req->sv1 = newSVsv (fh); 1639 req->sv1 = newSVsv (fh);
799 req->int1 = fd; 1640 req->int1 = fd;
… …
802 1643
803 REQ_SEND; 1644 REQ_SEND;
804} 1645}
805 1646
806void 1647void
807aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1648aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
808 ALIAS: 1649 ALIAS:
809 aio_stat = EIO_STAT 1650 aio_stat = EIO_STAT
810 aio_lstat = EIO_LSTAT 1651 aio_lstat = EIO_LSTAT
1652 aio_statvfs = EIO_STATVFS
811 PPCODE: 1653 PPCODE:
812{ 1654{
813 dREQ; 1655 dREQ;
814 1656
815 req->sv1 = newSVsv (fh_or_path); 1657 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
816
817 if (SvPOK (req->sv1))
818 {
819 req->type = ix;
820 req->ptr1 = SvPVbyte_nolen (req->sv1);
821 }
822 else
823 {
824 req->type = EIO_FSTAT;
825 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
826 }
827 1658
828 REQ_SEND; 1659 REQ_SEND;
829} 1660}
830 1661
831void 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
832aio_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)
833 PPCODE: 1714 PPCODE:
834{ 1715{
835 dREQ; 1716 dREQ;
836 1717
837 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1718 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
838 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1719 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
839 req->sv1 = newSVsv (fh_or_path); 1720 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
840
841 if (SvPOK (req->sv1))
842 {
843 req->type = EIO_UTIME;
844 req->ptr1 = SvPVbyte_nolen (req->sv1);
845 }
846 else
847 {
848 req->type = EIO_FUTIME;
849 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
850 }
851 1721
852 REQ_SEND; 1722 REQ_SEND;
853} 1723}
854 1724
855void 1725void
856aio_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)
857 PPCODE: 1727 PPCODE:
858{ 1728{
859 dREQ; 1729 dREQ;
860 1730
861 req->sv1 = newSVsv (fh_or_path);
862 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1731 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
863 1732 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
864 if (SvPOK (req->sv1))
865 {
866 req->type = EIO_TRUNCATE;
867 req->ptr1 = SvPVbyte_nolen (req->sv1);
868 }
869 else
870 {
871 req->type = EIO_FTRUNCATE;
872 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
873 }
874 1733
875 REQ_SEND; 1734 REQ_SEND;
876} 1735}
877 1736
878void 1737void
879aio_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)
880 ALIAS:
881 aio_chmod = EIO_CHMOD
882 aio_mkdir = EIO_MKDIR
883 PPCODE: 1739 PPCODE:
884{ 1740{
885 dREQ; 1741 dREQ;
886 1742
887 req->int2 = mode; 1743 req->int2 = mode;
888 req->sv1 = newSVsv (fh_or_path); 1744 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
889
890 if (SvPOK (req->sv1))
891 {
892 req->type = ix;
893 req->ptr1 = SvPVbyte_nolen (req->sv1);
894 }
895 else
896 {
897 req->type = EIO_FCHMOD;
898 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
899 }
900 1745
901 REQ_SEND; 1746 REQ_SEND;
902} 1747}
903 1748
904void 1749void
905aio_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)
906 PPCODE: 1751 PPCODE:
907{ 1752{
908 dREQ; 1753 dREQ;
909 1754
910 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1755 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
911 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1756 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
912 req->sv1 = newSVsv (fh_or_path); 1757 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
913
914 if (SvPOK (req->sv1))
915 {
916 req->type = EIO_CHOWN;
917 req->ptr1 = SvPVbyte_nolen (req->sv1);
918 }
919 else
920 {
921 req->type = EIO_FCHOWN;
922 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
923 }
924 1758
925 REQ_SEND; 1759 REQ_SEND;
926} 1760}
927 1761
928void 1762void
929aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1763aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
930 PPCODE: 1764 PPCODE:
931{ 1765{
932 dREQ; 1766 dREQ;
933 1767
934 req->type = EIO_READDIR; 1768 req->type = EIO_READDIR;
935 req->sv1 = newSVsv (pathname);
936 req->ptr1 = SvPVbyte_nolen (req->sv1);
937 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1769 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
938 1770
939 if (flags & EIO_READDIR_DENTS) 1771 if (flags & EIO_READDIR_DENTS)
940 req->int1 |= EIO_READDIR_CUSTOM2; 1772 req->int1 |= EIO_READDIR_CUSTOM2;
941 1773
1774 req_set_path1 (req, pathname);
1775
942 REQ_SEND; 1776 REQ_SEND;
943} 1777}
944 1778
945void 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
946aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1793aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
947 ALIAS: 1794 ALIAS:
948 aio_unlink = EIO_UNLINK 1795 aio_unlink = EIO_UNLINK
949 aio_rmdir = EIO_RMDIR 1796 aio_rmdir = EIO_RMDIR
950 aio_readdir = EIO_READDIR 1797 aio_readdir = EIO_READDIR
951 PPCODE: 1798 PPCODE:
952{ 1799{
953 dREQ; 1800 dREQ;
954 1801
955 req->type = ix; 1802 req->type = ix;
956 req->sv1 = newSVsv (pathname); 1803 req_set_path1 (req, pathname);
957 req->ptr1 = SvPVbyte_nolen (req->sv1);
958 1804
959 REQ_SEND; 1805 REQ_SEND;
960} 1806}
961 1807
962void 1808void
963aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1809aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
964 ALIAS: 1810 ALIAS:
965 aio_link = EIO_LINK 1811 aio_link = EIO_LINK
966 aio_symlink = EIO_SYMLINK 1812 aio_symlink = EIO_SYMLINK
967 aio_rename = EIO_RENAME 1813 aio_rename = EIO_RENAME
968 PPCODE: 1814 PPCODE:
969{ 1815{
1816 eio_wd wd2 = 0;
970 dREQ; 1817 dREQ;
971 1818
972 req->type = ix; 1819 req->type = ix;
973 req->sv1 = newSVsv (oldpath); 1820 req_set_path1 (req, oldpath);
974 req->ptr1 = SvPVbyte_nolen (req->sv1); 1821 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
975 req->sv2 = newSVsv (newpath); 1822 req->int3 = (long)wd2;
976 req->ptr2 = SvPVbyte_nolen (req->sv2);
977 1823
978 REQ_SEND; 1824 REQ_SEND;
979} 1825}
980 1826
981void 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
982aio_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)
983 PPCODE: 1845 PPCODE:
984{ 1846{
985 dREQ; 1847 dREQ;
986 1848
987 req->type = EIO_MKNOD; 1849 req->type = EIO_MKNOD;
988 req->sv1 = newSVsv (pathname);
989 req->ptr1 = SvPVbyte_nolen (req->sv1);
990 req->int2 = (mode_t)mode; 1850 req->int2 = (mode_t)mode;
991 req->offs = dev; 1851 req->offs = dev;
1852 req_set_path1 (req, pathname);
992 1853
993 REQ_SEND; 1854 REQ_SEND;
994} 1855}
995 1856
996void 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
997aio_busy (double delay, SV *callback=&PL_sv_undef) 1996aio_busy (double delay, SV *callback = &PL_sv_undef)
998 PPCODE: 1997 PPCODE:
999{ 1998{
1000 dREQ; 1999 dREQ;
1001 2000
1002 req->type = EIO_BUSY; 2001 req->type = EIO_BUSY;
… …
1004 2003
1005 REQ_SEND; 2004 REQ_SEND;
1006} 2005}
1007 2006
1008void 2007void
1009aio_group (SV *callback=&PL_sv_undef) 2008aio_group (SV *callback = &PL_sv_undef)
1010 PROTOTYPE: ;$
1011 PPCODE: 2009 PPCODE:
1012{ 2010{
1013 dREQ; 2011 dREQ;
1014 2012
1015 req->type = EIO_GROUP; 2013 req->type = EIO_GROUP;
1016 2014
2015 PUTBACK;
1017 req_submit (req); 2016 req_submit (req);
2017 SPAGAIN;
2018
1018 XPUSHs (req_sv (req, AIO_GRP_KLASS)); 2019 XPUSHs (req_sv (req, aio_grp_stash));
1019} 2020}
1020 2021
1021void 2022void
1022aio_nop (SV *callback=&PL_sv_undef) 2023aio_nop (SV *callback = &PL_sv_undef)
1023 ALIAS: 2024 ALIAS:
1024 aio_nop = EIO_NOP 2025 aio_nop = EIO_NOP
1025 aio_sync = EIO_SYNC 2026 aio_sync = EIO_SYNC
1026 PPCODE: 2027 PPCODE:
1027{ 2028{
… …
1031 2032
1032 REQ_SEND; 2033 REQ_SEND;
1033} 2034}
1034 2035
1035int 2036int
1036aioreq_pri (int pri = 0) 2037aioreq_pri (int pri = NO_INIT)
1037 PROTOTYPE: ;$
1038 CODE: 2038 CODE:
1039 RETVAL = next_pri; 2039 RETVAL = next_pri;
1040 if (items > 0) 2040 if (items > 0)
1041 { 2041 {
1042 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2042 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1054 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2054 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1055 next_pri = nice; 2055 next_pri = nice;
1056 2056
1057void 2057void
1058flush () 2058flush ()
1059 PROTOTYPE:
1060 CODE: 2059 CODE:
1061 while (eio_nreqs ()) 2060 while (eio_nreqs ())
1062 { 2061 {
1063 poll_wait (); 2062 poll_wait ();
1064 poll_cb (); 2063 poll_cb ();
1065 } 2064 }
1066 2065
1067int 2066int
1068poll() 2067poll ()
1069 PROTOTYPE:
1070 CODE: 2068 CODE:
1071 poll_wait (); 2069 poll_wait ();
1072 RETVAL = poll_cb (); 2070 RETVAL = poll_cb ();
1073 OUTPUT: 2071 OUTPUT:
1074 RETVAL 2072 RETVAL
1075 2073
1076int 2074int
1077poll_fileno() 2075poll_fileno ()
1078 PROTOTYPE:
1079 CODE: 2076 CODE:
1080 RETVAL = s_epipe_fd (&respipe); 2077 RETVAL = s_epipe_fd (&respipe);
1081 OUTPUT: 2078 OUTPUT:
1082 RETVAL 2079 RETVAL
1083 2080
1084int 2081int
1085poll_cb(...) 2082poll_cb (...)
1086 PROTOTYPE: 2083 PROTOTYPE:
1087 CODE: 2084 CODE:
1088 RETVAL = poll_cb (); 2085 RETVAL = poll_cb ();
1089 OUTPUT: 2086 OUTPUT:
1090 RETVAL 2087 RETVAL
1091 2088
1092void 2089void
1093poll_wait() 2090poll_wait ()
1094 PROTOTYPE:
1095 CODE: 2091 CODE:
1096 poll_wait (); 2092 poll_wait ();
1097 2093
1098int 2094int
1099nreqs() 2095nreqs ()
1100 PROTOTYPE:
1101 CODE: 2096 CODE:
1102 RETVAL = eio_nreqs (); 2097 RETVAL = eio_nreqs ();
1103 OUTPUT: 2098 OUTPUT:
1104 RETVAL 2099 RETVAL
1105 2100
1106int 2101int
1107nready() 2102nready ()
1108 PROTOTYPE:
1109 CODE: 2103 CODE:
1110 RETVAL = eio_nready (); 2104 RETVAL = eio_nready ();
1111 OUTPUT: 2105 OUTPUT:
1112 RETVAL 2106 RETVAL
1113 2107
1114int 2108int
1115npending() 2109npending ()
1116 PROTOTYPE:
1117 CODE: 2110 CODE:
1118 RETVAL = eio_npending (); 2111 RETVAL = eio_npending ();
1119 OUTPUT: 2112 OUTPUT:
1120 RETVAL 2113 RETVAL
1121 2114
1122int 2115int
1123nthreads() 2116nthreads ()
1124 PROTOTYPE:
1125 CODE: 2117 CODE:
1126 RETVAL = eio_nthreads (); 2118 RETVAL = eio_nthreads ();
1127 OUTPUT: 2119 OUTPUT:
1128 RETVAL 2120 RETVAL
1129 2121
1130int 2122int
1131fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2123fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1132 PROTOTYPE: $$$$
1133 CODE: 2124 CODE:
1134#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1135 RETVAL = posix_fadvise (fh, offset, length, advice); 2125 RETVAL = posix_fadvise (fh, offset, length, advice);
1136#else
1137 RETVAL = errno = ENOSYS;
1138#endif
1139 OUTPUT: 2126 OUTPUT:
1140 RETVAL 2127 RETVAL
1141 2128
1142ssize_t 2129IV
1143sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2130sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1144 PROTOTYPE: $$$$
1145 CODE: 2131 CODE:
1146 eio_sendfile_sync (ofh, ifh, offset, count); 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}
1147 2473
1148void _on_next_submit (SV *cb) 2474void _on_next_submit (SV *cb)
1149 CODE: 2475 CODE:
1150 SvREFCNT_dec (on_next_submit); 2476 SvREFCNT_dec (on_next_submit);
1151 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2477 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1152 2478
1153PROTOTYPES: DISABLE 2479PROTOTYPES: DISABLE
1154 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
1155MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2509MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1156 2510
1157void 2511void
1158cancel (aio_req_ornot req) 2512cancel (aio_req_ornot req)
1159 CODE: 2513 CODE:
1160 eio_cancel (req); 2514 eio_cancel (req);
1161 2515
1162void 2516void
1163cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2517cb (aio_req_ornot req, SV *callback = NO_INIT)
1164 PPCODE: 2518 PPCODE:
1165{ 2519{
1166 if (GIMME_V != G_VOID) 2520 if (GIMME_V != G_VOID)
1167 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2521 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1168 2522
1169 if (items > 1) 2523 if (items > 1)
1170 { 2524 {
1171 SV *cb_cv =get_cb (callback); 2525 SV *cb_cv = get_cb (callback);
1172 2526
1173 SvREFCNT_dec (req->callback); 2527 SvREFCNT_dec (req->callback);
1174 req->callback = SvREFCNT_inc (cb_cv); 2528 req->callback = SvREFCNT_inc (cb_cv);
1175 } 2529 }
1176} 2530}
… …
1233limit (aio_req grp, int limit) 2587limit (aio_req grp, int limit)
1234 CODE: 2588 CODE:
1235 eio_grp_limit (grp, limit); 2589 eio_grp_limit (grp, limit);
1236 2590
1237void 2591void
1238feed (aio_req grp, SV *callback=&PL_sv_undef) 2592feed (aio_req grp, SV *callback = &PL_sv_undef)
1239 CODE: 2593 CODE:
1240{ 2594{
1241 SvREFCNT_dec (grp->sv2); 2595 SvREFCNT_dec (grp->sv2);
1242 grp->sv2 = newSVsv (callback); 2596 grp->sv2 = newSVsv (callback);
1243 grp->feed = aio_grp_feed; 2597 grp->feed = aio_grp_feed;

Diff Legend

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