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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC vs.
Revision 1.260 by root, Tue Jul 24 04:58:59 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>
15#include <sys/stat.h> 17#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 18#include <limits.h>
18#include <fcntl.h> 19#include <fcntl.h>
19#include <sched.h> 20#include <sched.h>
20 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
21/* perl namespace pollution */ 40/* perl namespace pollution */
22#undef VERSION 41#undef VERSION
23
24#ifdef _WIN32
25
26# define EIO_STRUCT_DIRENT Direntry_t
27# undef malloc
28# undef free
29
30// perl overrides all those nice win32 functions
31# undef open
32# undef read
33# undef write
34# undef send
35# undef recv
36# undef stat
37# undef fstat
38# define lstat stat
39# undef truncate
40# undef ftruncate
41# undef open
42# undef close
43# undef unlink
44# undef rmdir
45# undef rename
46# undef lseek
47
48# define chown(a,b,c) (errno = ENOSYS, -1)
49# define fchown(a,b,c) (errno = ENOSYS, -1)
50# define fchmod(a,b) (errno = ENOSYS, -1)
51# define symlink(a,b) (errno = ENOSYS, -1)
52# define readlink(a,b,c) (errno = ENOSYS, -1)
53# define mknod(a,b,c) (errno = ENOSYS, -1)
54# define truncate(a,b) (errno = ENOSYS, -1)
55# define ftruncate(fd,o) chsize ((fd), (o))
56# define fsync(fd) _commit (fd)
57# define opendir(fd) (errno = ENOSYS, 0)
58# define readdir(fd) (errno = ENOSYS, -1)
59# define closedir(fd) (errno = ENOSYS, -1)
60# define mkdir(a,b) mkdir (a)
61
62#else
63
64# include <sys/time.h>
65# include <sys/select.h>
66# include <unistd.h>
67# include <utime.h>
68# include <signal.h>
69# define EIO_STRUCT_DIRENT struct dirent
70
71#endif
72 42
73/* perl stupidly overrides readdir and maybe others */ 43/* perl stupidly overrides readdir and maybe others */
74/* with thread-unsafe versions, imagine that :( */ 44/* with thread-unsafe versions, imagine that :( */
75#undef readdir 45#undef readdir
76#undef opendir 46#undef opendir
77#undef closedir 47#undef closedir
78 48
49#ifdef _WIN32
50
51 // perl overrides all those nice libc functions
52
53 #undef malloc
54 #undef free
55 #undef open
56 #undef read
57 #undef write
58 #undef send
59 #undef recv
60 #undef stat
61 #undef lstat
62 #undef fstat
63 #undef truncate
64 #undef ftruncate
65 #undef open
66 #undef link
67 #undef close
68 #undef unlink
69 #undef mkdir
70 #undef rmdir
71 #undef rename
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
82
83 #define EIO_STRUCT_STAT struct _stati64
79#define EIO_STRUCT_STAT Stat_t 84 #define EIO_STRUCT_STATI64
80 85
81/* use NV for 32 bit perls as it allows larger offsets */
82#if IVSIZE >= 8
83# define VAL64 IV
84# define SvVAL64 SvIV
85# define newSVval64 newSViv
86#else 86#else
87# define VAL64 NV 87
88# define SvVAL64 SvNV 88 #include <sys/time.h>
89# define newSVval64 newSVnv 89 #include <sys/select.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
90#endif 96#endif
91 97
92/*****************************************************************************/ 98/*****************************************************************************/
93 99
94#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
100#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
101#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
102 108
103/*****************************************************************************/ 109/*****************************************************************************/
104 110
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
105typedef SV SV8; /* byte-sv, used for argument-checking */ 128typedef SV SV8; /* byte-sv, used for argument-checking */
106typedef int aio_rfd; /* read file desriptor */ 129typedef int aio_rfd; /* read file desriptor */
107typedef int aio_wfd; /* write file descriptor */ 130typedef int aio_wfd; /* write file descriptor */
108 131
109static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 132static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
110 133
111#define EIO_REQ_MEMBERS \ 134#define EIO_REQ_MEMBERS \
112 SV *callback; \ 135 SV *callback; \
113 SV *sv1, *sv2; \ 136 SV *sv1, *sv2; \
137 SV *sv3, *sv4; \
114 STRLEN stroffset; \ 138 STRLEN stroffset; \
115 SV *self; 139 SV *self;
116 140
117#define EIO_NO_WRAPPERS 1 141#define EIO_NO_WRAPPERS 1
118 142
119#include "libeio/eio.h" 143#include "libeio/eio.h"
120
121#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1
124#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0
128#endif
129
130#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0
132#endif
133
134#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0
136#endif
137
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141
142#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0
144#endif
145
146#ifndef ST_NODEV
147# define ST_NODEV 0
148#endif
149
150#ifndef ST_NOEXEC
151# define ST_NOEXEC 0
152#endif
153
154#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0
156#endif
157
158#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0
160#endif
161
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165
166#ifndef ST_APPEND
167# define ST_APPEND 0
168#endif
169
170#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0
172#endif
173
174#ifndef ST_NOATIME
175# define ST_NOATIME 0
176#endif
177
178#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0
180#endif
181
182#ifndef ST_RELATIME
183# define ST_RELATIME 0
184#endif
185 144
186static int req_invoke (eio_req *req); 145static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 146#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 147static void req_destroy (eio_req *grp);
189#define EIO_DESTROY(req) req_destroy (req) 148#define EIO_DESTROY(req) req_destroy (req)
190 149
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#ifndef makedev
169# define makedev(maj,min) (((maj) << 8) | (min))
170#endif
171#ifndef major
172# define major(dev) ((dev) >> 8)
173#endif
174#ifndef minor
175# define minor(dev) ((dev) & 0xff)
176#endif
177
178#if PAGESIZE <= 0
179# define PAGESIZE sysconf (_SC_PAGESIZE)
180#endif
181
182/*****************************************************************************/
183
184#if !_POSIX_MAPPED_FILES
185# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
186# define munmap(addr,length) EIO_ENOSYS ()
187#endif
188
189#if !_POSIX_MEMORY_PROTECTION
190# define mprotect(addr,len,prot) EIO_ENOSYS ()
191#endif
192
193#if !MREMAP_MAYMOVE
194# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
195#endif
196
197#define FOREIGN_MAGIC PERL_MAGIC_ext
198
199static int ecb_cold
200mmap_free (pTHX_ SV *sv, MAGIC *mg)
201{
202 int old_errno = errno;
203 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
204 errno = old_errno;
205
206 mg->mg_obj = 0; /* just in case */
207
208 SvREADONLY_off (sv);
209
210 if (SvPVX (sv) != mg->mg_ptr)
211 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
212
213 SvCUR_set (sv, 0);
214 SvPVX (sv) = 0;
215 SvOK_off (sv);
216
217 return 0;
218}
219
220static MGVTBL mmap_vtbl = {
221 0, 0, 0, 0, mmap_free
222};
223
224static int ecb_cold
225sysfree_free (pTHX_ SV *sv, MAGIC *mg)
226{
227 free (mg->mg_ptr);
228 mg->mg_obj = 0; /* just in case */
229
230 SvREADONLY_off (sv);
231
232 if (SvPVX (sv) != mg->mg_ptr)
233 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
234
235 SvCUR_set (sv, 0);
236 SvPVX (sv) = 0;
237 SvOK_off (sv);
238
239 return 0;
240}
241
242static MGVTBL sysfree_vtbl = {
243 0, 0, 0, 0, sysfree_free
244};
245
246/*****************************************************************************/
247
248/* helper: set scalar to foreign ptr with custom free */
249static void
250sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
251{
252 sv_force_normal (sv);
253
254 /* we store the length in mg_obj, as namlen is I32 :/ */
255 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
256 ->mg_obj = (SV *)length;
257
258 SvUPGRADE (sv, SVt_PV); /* nop... */
259
260 if (SvLEN (sv))
261 Safefree (SvPVX (sv));
262
263 SvPVX (sv) = (char *)addr;
264 SvCUR_set (sv, length);
265 SvLEN_set (sv, 0);
266 SvPOK_only (sv);
267}
268
269static void
270sv_clear_foreign (SV *sv)
271{
272 /* todo: iterate over magic and only free ours, but of course */
273 /* the perl5porters will call that (correct) behaviour buggy */
274 sv_unmagic (sv, FOREIGN_MAGIC);
275}
276
277/*****************************************************************************/
278
279/* defines all sorts of constants to 0 unless they are already defined */
280/* also provides const_iv_ and const_niv_ macros for them */
281#include "def0.h"
282
283/*****************************************************************************/
284
285static void
286fiemap (eio_req *req)
287{
288 req->result = -1;
289
290#if HAVE_FIEMAP
291 /* assume some c99 */
292 struct fiemap *fiemap = 0;
293 size_t end_offset;
294 int count = req->int3;
295
296 req->flags |= EIO_FLAG_PTR1_FREE;
297
298 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
299 /* increase in 3.5kb steps */
300 if (count < 0)
301 count = 8;
302
303 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
304 errno = ENOMEM;
305 if (!fiemap)
306 return;
307
308 req->ptr1 = fiemap;
309
310 fiemap->fm_start = req->offs;
311 fiemap->fm_length = req->size;
312 fiemap->fm_flags = req->int2;
313 fiemap->fm_extent_count = count;
314
315 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
316 return;
317
318 if (req->int3 >= 0 /* not autosizing */
319 || !fiemap->fm_mapped_extents /* no more extents */
320 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
321 goto done;
322
323 /* else we have to loop -
324 * it would be tempting (actually I tried that first) to just query the
325 * number of extents needed, but linux often feels like not returning all
326 * extents, without telling us it left any out. this complicates
327 * this quite a bit.
328 */
329
330 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
331
332 for (;;)
333 {
334 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
335 char scratch[3072];
336 struct fiemap *incmap = (struct fiemap *)scratch;
337
338 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
339 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
340 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
341 incmap->fm_flags = fiemap->fm_flags;
342 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
343
344 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
345 return;
346
347 if (!incmap->fm_mapped_extents)
348 goto done;
349
350 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
351 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
352 errno = ENOMEM;
353 if (!fiemap)
354 return;
355
356 req->ptr1 = fiemap;
357
358 for (count = 0; count < incmap->fm_mapped_extents; ++count)
359 {
360 struct fiemap_extent *e = incmap->fm_extents + count;
361
362 if (e->fe_logical + e->fe_length >= end_offset)
363 goto done;
364
365 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
366
367 if (e->fe_flags & FIEMAP_EXTENT_LAST)
368 goto done;
369
370 }
371 }
372
373done:
374 req->result = 0;
375
376#else
377 errno = ENOSYS;
378#endif
379}
380
381/*****************************************************************************/
382
191enum { 383enum {
192 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 384 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
193}; 385};
194 386
195#include "libeio/eio.c"
196
197typedef eio_req *aio_req; 387typedef eio_req *aio_req;
198typedef eio_req *aio_req_ornot; 388typedef eio_req *aio_req_ornot;
389typedef eio_wd aio_wd;
199 390
200static SV *on_next_submit; 391static SV *on_next_submit;
201static int next_pri = EIO_PRI_DEFAULT; 392static int next_pri = EIO_PRI_DEFAULT;
202static int max_outstanding; 393static int max_outstanding;
203 394
204static s_epipe respipe; 395static s_epipe respipe;
205 396
206static void req_destroy (aio_req req); 397static void req_destroy (aio_req req);
207static void req_cancel (aio_req req); 398static void req_cancel (aio_req req);
208 399
209static void want_poll (void) 400static void
401want_poll (void)
210{ 402{
211 /* write a dummy byte to the pipe so fh becomes ready */ 403 /* write a dummy byte to the pipe so fh becomes ready */
212 s_epipe_signal (&respipe); 404 s_epipe_signal (&respipe);
213} 405}
214 406
215static void done_poll (void) 407static void
408done_poll (void)
216{ 409{
217 /* read any signals sent by the worker threads */ 410 /* read any signals sent by the worker threads */
218 s_epipe_drain (&respipe); 411 s_epipe_drain (&respipe);
219} 412}
220 413
221/* must be called at most once */ 414/* must be called at most once */
415static SV *
222static SV *req_sv (aio_req req, HV *stash) 416req_sv (aio_req req, HV *stash)
223{ 417{
224 if (!req->self) 418 if (!req->self)
225 { 419 {
226 req->self = (SV *)newHV (); 420 req->self = (SV *)newHV ();
227 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 421 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
228 } 422 }
229 423
230 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 424 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
231} 425}
232 426
233static aio_req SvAIO_REQ (SV *sv) 427static SV *
428newSVaio_wd (aio_wd wd)
429{
430 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
431}
432
433static aio_req
434SvAIO_REQ (SV *sv)
234{ 435{
235 MAGIC *mg; 436 MAGIC *mg;
236 437
237 if (!SvROK (sv) 438 if (!SvROK (sv)
439 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
238 || (SvSTASH (SvRV (sv)) != aio_grp_stash 440 || (SvSTASH (SvRV (sv)) != aio_grp_stash
239 && SvSTASH (SvRV (sv)) != aio_req_stash 441 && SvSTASH (SvRV (sv)) != aio_req_stash
240 && !sv_derived_from (sv, "IO::AIO::REQ"))) 442 && !sv_derived_from (sv, "IO::AIO::REQ")))
241 croak ("object of class IO::AIO::REQ expected"); 443 croak ("object of class IO::AIO::REQ expected");
242 444
243 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 445 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
244 446
245 return mg ? (aio_req)mg->mg_ptr : 0; 447 return mg ? (aio_req)mg->mg_ptr : 0;
246} 448}
247 449
450static aio_wd
451SvAIO_WD (SV *sv)
452{
453 if (!SvROK (sv)
454 || SvTYPE (SvRV (sv)) != SVt_PVMG
455 || SvSTASH (SvRV (sv)) != aio_wd_stash)
456 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
457
458 return (aio_wd)(long)SvIVX (SvRV (sv));
459}
460
461static SV *
462newmortalFH (int fd, int flags)
463{
464 if (fd < 0)
465 return &PL_sv_undef;
466
467 GV *gv = (GV *)sv_newmortal ();
468 char sym[64];
469 int symlen;
470
471 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
472 gv_init (gv, aio_stash, sym, symlen, 0);
473
474 symlen = snprintf (
475 sym,
476 sizeof (sym),
477 "%s&=%d",
478 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
479 fd
480 );
481
482 return do_open (gv, sym, symlen, 0, 0, 0, 0)
483 ? (SV *)gv : &PL_sv_undef;
484}
485
486static void
248static void aio_grp_feed (aio_req grp) 487aio_grp_feed (aio_req grp)
249{ 488{
250 if (grp->sv2 && SvOK (grp->sv2)) 489 if (grp->sv2 && SvOK (grp->sv2))
251 { 490 {
252 dSP; 491 dSP;
253 492
… …
261 FREETMPS; 500 FREETMPS;
262 LEAVE; 501 LEAVE;
263 } 502 }
264} 503}
265 504
505static void
266static void req_submit (eio_req *req) 506req_submit (eio_req *req)
267{ 507{
268 eio_submit (req); 508 eio_submit (req);
269 509
270 if (expect_false (on_next_submit)) 510 if (expect_false (on_next_submit))
271 { 511 {
… …
278 PUTBACK; 518 PUTBACK;
279 call_sv (cb, G_DISCARD | G_EVAL); 519 call_sv (cb, G_DISCARD | G_EVAL);
280 } 520 }
281} 521}
282 522
523static int
283static int req_invoke (eio_req *req) 524req_invoke (eio_req *req)
284{ 525{
285 dSP;
286
287 if (req->flags & FLAG_SV2_RO_OFF) 526 if (req->flags & FLAG_SV2_RO_OFF)
288 SvREADONLY_off (req->sv2); 527 SvREADONLY_off (req->sv2);
289 528
290 if (!EIO_CANCELLED (req) && req->callback) 529 if (!EIO_CANCELLED (req) && req->callback)
291 { 530 {
531 dSP;
532 static SV *sv_result_cache; /* caches the result integer SV */
533 SV *sv_result;
534
292 ENTER; 535 ENTER;
293 SAVETMPS; 536 SAVETMPS;
294 PUSHMARK (SP); 537 PUSHMARK (SP);
295 EXTEND (SP, 1); 538 EXTEND (SP, 1);
296 539
540 /* do not recreate the result IV from scratch each time */
541 if (expect_true (sv_result_cache))
542 {
543 sv_result = sv_result_cache; sv_result_cache = 0;
544 SvIV_set (sv_result, req->result);
545 SvIOK_only (sv_result);
546 }
547 else
548 {
549 sv_result = newSViv (req->result);
550 SvREADONLY_on (sv_result);
551 }
552
297 switch (req->type) 553 switch (req->type)
298 { 554 {
555 case EIO_WD_OPEN:
556 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
557 break;
558
299 case EIO_READDIR: 559 case EIO_READDIR:
300 { 560 {
301 SV *rv = &PL_sv_undef; 561 SV *rv = &PL_sv_undef;
302 562
303 if (req->result >= 0) 563 if (req->result >= 0)
… …
356 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 616 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
357 } 617 }
358 break; 618 break;
359 619
360 case EIO_OPEN: 620 case EIO_OPEN:
361 { 621 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
362 /* convert fd to fh */
363 SV *fh = &PL_sv_undef;
364
365 if (req->result >= 0)
366 {
367 GV *gv = (GV *)sv_newmortal ();
368 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
369 char sym [64];
370 int symlen;
371
372 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
373 gv_init (gv, aio_stash, sym, symlen, 0);
374
375 symlen = snprintf (
376 sym,
377 sizeof (sym),
378 "%s&=%d",
379 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
380 (int)req->result
381 );
382
383 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
384 fh = (SV *)gv;
385 }
386
387 PUSHs (fh);
388 }
389 break; 622 break;
390 623
391 case EIO_STATVFS: 624 case EIO_STATVFS:
392 case EIO_FSTATVFS: 625 case EIO_FSTATVFS:
393 { 626 {
394 SV *rv = &PL_sv_undef; 627 SV *rv = &PL_sv_undef;
395 628
629#ifndef _WIN32
396 if (req->result >= 0) 630 if (req->result >= 0)
397 { 631 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 632 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV (); 633 HV *hv = newHV ();
634 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
635 * chooses to make it a struct.
636 */
637 unsigned long fsid = 0;
638 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
400 639
401 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 640 rv = sv_2mortal (newRV_noinc ((SV *)hv));
402 641
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 642 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 643 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
406 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 645 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
407 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 646 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
408 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 647 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
409 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 648 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
410 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 649 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
411 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 650 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
412 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 651 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
413 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 652 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
414 } 653 }
654#endif
415 655
416 PUSHs (rv); 656 PUSHs (rv);
417 } 657 }
418 658
419 break; 659 break;
… …
435 case EIO_NOP: 675 case EIO_NOP:
436 case EIO_BUSY: 676 case EIO_BUSY:
437 break; 677 break;
438 678
439 case EIO_READLINK: 679 case EIO_READLINK:
680 case EIO_REALPATH:
440 if (req->result > 0) 681 if (req->result > 0)
441 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 682 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
442 break; 683 break;
443 684
444 case EIO_STAT: 685 case EIO_STAT:
445 case EIO_LSTAT: 686 case EIO_LSTAT:
446 case EIO_FSTAT: 687 case EIO_FSTAT:
447 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 688 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
689
448 PL_laststatval = req->result; 690 if (!(PL_laststatval = req->result))
691 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
449 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 692 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
450 PUSHs (sv_2mortal (newSViv (req->result))); 693
694 PUSHs (sv_result);
695 break;
696
697 case EIO_SEEK:
698 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
451 break; 699 break;
452 700
453 case EIO_READ: 701 case EIO_READ:
454 { 702 {
455 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 703 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
456 *SvEND (req->sv2) = 0; 704 *SvEND (req->sv2) = 0;
457 SvPOK_only (req->sv2); 705 SvPOK_only (req->sv2);
458 SvSETMAGIC (req->sv2); 706 SvSETMAGIC (req->sv2);
459 PUSHs (sv_2mortal (newSViv (req->result))); 707 PUSHs (sv_result);
460 } 708 }
461 break; 709 break;
462 710
463 case EIO_DUP2: 711 case EIO_SLURP:
712 {
713 if (req->result >= 0)
714 {
715 /* if length was originally not known, we steal the malloc'ed memory */
716 if (req->flags & EIO_FLAG_PTR2_FREE)
717 {
718 req->flags &= ~EIO_FLAG_PTR2_FREE;
719 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
720 }
721 else
722 {
723 SvCUR_set (req->sv2, req->result);
724 *SvEND (req->sv2) = 0;
725 SvPOK_only (req->sv2);
726 }
727
728 SvSETMAGIC (req->sv2);
729 }
730
731 PUSHs (sv_result);
732 }
733 break;
734
735 case EIO_CUSTOM:
736 if (req->feed == fiemap)
737 {
738#if HAVE_FIEMAP
739 if (!req->result)
740 {
741 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
742
743 if (fiemap->fm_extent_count)
744 {
745 AV *av = newAV ();
746 int i;
747
748 while (fiemap->fm_mapped_extents)
749 {
750 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
751 AV *ext_av = newAV ();
752
753 av_store (ext_av, 3, newSVuv (extent->fe_flags));
754 av_store (ext_av, 2, newSVval64 (extent->fe_length));
755 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
756 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
757
758 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
759 }
760
761 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
762 }
763 else
764 {
765 SvIV_set (sv_result, fiemap->fm_mapped_extents);
766 PUSHs (sv_result);
767 }
768 }
769#endif
770 }
771 else
772 PUSHs (sv_result);
773 break;
774
775 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
464 if (req->result > 0) 776 if (req->result > 0)
465 req->result = 0; 777 SvIV_set (sv_result, 0);
466 /* FALLTHROUGH */ 778 /* FALLTHROUGH */
467 779
468 default: 780 default:
469 PUSHs (sv_2mortal (newSViv (req->result))); 781 PUSHs (sv_result);
470 break; 782 break;
471 } 783 }
472 784
473 errno = req->errorno; 785 errno = req->errorno;
474 786
475 PUTBACK; 787 PUTBACK;
476 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 788 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
477 SPAGAIN; 789 SPAGAIN;
478 790
791 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
792 SvREFCNT_dec (sv_result);
793 else
794 sv_result_cache = sv_result;
795
479 FREETMPS; 796 FREETMPS;
480 LEAVE; 797 LEAVE;
481 798
482 PUTBACK; 799 PUTBACK;
483 } 800 }
484 801
485 return !!SvTRUE (ERRSV); 802 return !!SvTRUE (ERRSV);
486} 803}
487 804
805static void
488static void req_destroy (aio_req req) 806req_destroy (aio_req req)
489{ 807{
490 if (req->self) 808 if (req->self)
491 { 809 {
492 sv_unmagic (req->self, PERL_MAGIC_ext); 810 sv_unmagic (req->self, PERL_MAGIC_ext);
493 SvREFCNT_dec (req->self); 811 SvREFCNT_dec (req->self);
494 } 812 }
495 813
496 SvREFCNT_dec (req->sv1); 814 SvREFCNT_dec (req->sv1);
497 SvREFCNT_dec (req->sv2); 815 SvREFCNT_dec (req->sv2);
816 SvREFCNT_dec (req->sv3);
817 SvREFCNT_dec (req->sv4);
498 SvREFCNT_dec (req->callback); 818 SvREFCNT_dec (req->callback);
499 819
500 Safefree (req); 820 free (req);
501} 821}
502 822
823static void
503static void req_cancel_subs (aio_req grp) 824req_cancel_subs (aio_req grp)
504{ 825{
505 aio_req sub;
506
507 if (grp->type != EIO_GROUP) 826 if (grp->type != EIO_GROUP)
508 return; 827 return;
509 828
510 SvREFCNT_dec (grp->sv2); 829 SvREFCNT_dec (grp->sv2);
511 grp->sv2 = 0; 830 grp->sv2 = 0;
512 831
513 eio_grp_cancel (grp); 832 eio_grp_cancel (grp);
514} 833}
515 834
516static void 835static void ecb_cold
517create_respipe (void) 836create_respipe (void)
518{ 837{
519 if (s_epipe_renew (&respipe)) 838 if (s_epipe_renew (&respipe))
520 croak ("IO::AIO: unable to initialize result pipe"); 839 croak ("IO::AIO: unable to initialize result pipe");
521} 840}
522 841
523static void poll_wait (void) 842static void
843poll_wait (void)
524{ 844{
525 while (eio_nreqs ()) 845 while (eio_nreqs ())
526 { 846 {
527 int size; 847 int size;
528 848
529 X_LOCK (reslock); 849 X_LOCK (EIO_POOL->reslock);
530 size = res_queue.size; 850 size = EIO_POOL->res_queue.size;
531 X_UNLOCK (reslock); 851 X_UNLOCK (EIO_POOL->reslock);
532 852
533 if (size) 853 if (size)
534 return; 854 return;
535 855
536 etp_maybe_start_thread (); 856 etp_maybe_start_thread (EIO_POOL);
537 857
538 s_epipe_wait (&respipe); 858 s_epipe_wait (&respipe);
539 } 859 }
540} 860}
541 861
542static int poll_cb (void) 862static int
863poll_cb (void)
543{ 864{
544 for (;;) 865 for (;;)
545 { 866 {
546 int res = eio_poll (); 867 int res = eio_poll ();
547 868
… …
553 874
554 poll_wait (); 875 poll_wait ();
555 } 876 }
556} 877}
557 878
558static void atfork_child (void) 879static void ecb_cold
880reinit (void)
559{ 881{
560 create_respipe (); 882 create_respipe ();
883
884 if (eio_init (want_poll, done_poll) < 0)
885 croak ("IO::AIO: unable to initialise eio library");
561} 886}
887
888/*****************************************************************************/
562 889
563static SV * 890static SV *
564get_cb (SV *cb_sv) 891get_cb (SV *cb_sv)
565{ 892{
566 SvGETMAGIC (cb_sv); 893 SvGETMAGIC (cb_sv);
567 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 894 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
568} 895}
569 896
897static aio_req ecb_noinline
898dreq (SV *callback)
899{
900 SV *cb_cv;
901 aio_req req;
902 int req_pri = next_pri;
903 next_pri = EIO_PRI_DEFAULT;
904
905 cb_cv = get_cb (callback);
906
907 req = calloc (sizeof (*req), 1);
908 if (!req)
909 croak ("out of memory during eio_req allocation");
910
911 req->callback = SvREFCNT_inc (cb_cv);
912 req->pri = req_pri;
913
914 return req;
915}
916
570#define dREQ \ 917#define dREQ \
571 SV *cb_cv; \ 918 aio_req req = dreq (callback); \
572 aio_req req; \
573 int req_pri = next_pri; \
574 next_pri = EIO_PRI_DEFAULT; \
575 \
576 cb_cv = get_cb (callback); \
577 \
578 Newz (0, req, 1, eio_req); \
579 if (!req) \
580 croak ("out of memory during eio_req allocation"); \
581 \
582 req->callback = SvREFCNT_inc (cb_cv); \
583 req->pri = req_pri
584 919
585#define REQ_SEND \ 920#define REQ_SEND \
586 PUTBACK; \ 921 PUTBACK; \
587 req_submit (req); \ 922 req_submit (req); \
588 SPAGAIN; \ 923 SPAGAIN; \
589 \ 924 \
590 if (GIMME_V != G_VOID) \ 925 if (GIMME_V != G_VOID) \
591 XPUSHs (req_sv (req, aio_req_stash)); 926 XPUSHs (req_sv (req, aio_req_stash));
592 927
928ecb_inline void
929req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
930{
931 if (expect_false (SvROK (path)))
932 {
933 SV *rv = SvRV (path);
934 SV *wdob;
935
936 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
937 {
938 path = AvARRAY (rv)[1];
939 wdob = AvARRAY (rv)[0];
940
941 if (SvOK (wdob))
942 {
943 *wd = SvAIO_WD (wdob);
944 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
945 }
946 else
947 *wd = EIO_INVALID_WD;
948 }
949 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
950 {
951 *wd = (aio_wd)(long)SvIVX (rv);
952 *wdsv = SvREFCNT_inc_NN (rv);
953 *ptr = ".";
954 return; /* path set to "." */
955 }
956 else
957 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
958 }
959
960 *pathsv = newSVsv (path);
961 *ptr = SvPVbyte_nolen (*pathsv);
962}
963
964static void ecb_noinline
965req_set_path1 (aio_req req, SV *path)
966{
967 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
968}
969
970static void ecb_noinline
971req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
972{
973 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
974
975 switch (SvTYPE (rv))
976 {
977 case SVt_PVIO:
978 case SVt_PVLV:
979 case SVt_PVGV:
980 req->type = type_fh;
981 req->sv1 = newSVsv (fh_or_path);
982 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
983 break;
984
985 default:
986 req->type = type_path;
987 req_set_path1 (req, fh_or_path);
988 break;
989 }
990}
991
992/*****************************************************************************/
993
994static void
995ts_set (struct timespec *ts, NV value)
996{
997 ts->tv_sec = value;
998 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
999}
1000
1001static NV
1002ts_get (const struct timespec *ts)
1003{
1004 return ts->tv_sec + ts->tv_nsec * 1e-9;
1005}
1006
1007/*****************************************************************************/
1008
1009XS(boot_IO__AIO) ecb_cold;
1010
593MODULE = IO::AIO PACKAGE = IO::AIO 1011MODULE = IO::AIO PACKAGE = IO::AIO
594 1012
595PROTOTYPES: ENABLE 1013PROTOTYPES: ENABLE
596 1014
597BOOT: 1015BOOT:
598{ 1016{
599 static const struct { 1017 static const struct {
600 const char *name; 1018 const char *name;
601 IV iv; 1019 IV iv;
602 } *civ, const_iv[] = { 1020 } *civ, const_iv[] = {
603# define const_iv(name, value) { # name, (IV) value }, 1021# define const_niv(name, value) { # name, (IV) value },
1022# define const_iv(name) { # name, (IV) name },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 1023# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 1024
1025 /* you have to re-run ./gendef0 after adding/removing any constants here */
1026 /* the first block can be undef if missing */
606 const_iv (ENOSYS , ENOSYS) 1027 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 1028 const_iv (EXDEV)
608 const_iv (O_WRONLY, O_WRONLY) 1029 const_iv (EBADR)
609 const_iv (O_CREAT , O_CREAT) 1030
610 const_iv (O_TRUNC , O_TRUNC) 1031 /* for lseek */
611#ifndef _WIN32 1032 const_iv (SEEK_DATA)
612 const_iv (S_IFIFO , S_IFIFO) 1033 const_iv (SEEK_HOLE)
613#endif 1034
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 1035 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1036 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 1037 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1038 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1039 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1040 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 1041
621 const_iv (ST_RDONLY , ST_RDONLY) 1042 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
622 const_iv (ST_NOSUID , ST_NOSUID) 1043 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
623 const_iv (ST_NODEV , ST_NODEV) 1044 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 1045 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1046 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1047
1048 /* the second block will be 0 when missing */
1049 const_iv (O_ACCMODE)
1050
1051 const_iv (O_RDONLY)
1052 const_iv (O_WRONLY)
1053 const_iv (O_RDWR)
1054 const_iv (O_CREAT)
1055 const_iv (O_TRUNC)
1056 const_iv (O_EXCL)
1057 const_iv (O_APPEND)
1058
1059 const_iv (O_ASYNC)
1060 const_iv (O_DIRECT)
1061 const_iv (O_NOATIME)
1062
1063 const_iv (O_CLOEXEC)
1064 const_iv (O_NOCTTY)
1065 const_iv (O_NOFOLLOW)
1066 const_iv (O_NONBLOCK)
1067 const_iv (O_EXEC)
1068 const_iv (O_SEARCH)
1069 const_iv (O_DIRECTORY)
1070 const_iv (O_DSYNC)
1071 const_iv (O_RSYNC)
1072 const_iv (O_SYNC)
1073 const_iv (O_PATH)
1074 const_iv (O_TMPFILE)
1075 const_iv (O_TTY_INIT)
1076
1077 const_iv (S_IFIFO)
1078 const_iv (S_IFCHR)
1079 const_iv (S_IFBLK)
1080 const_iv (S_IFLNK)
1081 const_iv (S_IFREG)
1082 const_iv (S_IFDIR)
1083 const_iv (S_IFWHT)
1084 const_iv (S_IFSOCK)
1085 const_iv (S_IFMT)
1086
1087 const_iv (ST_RDONLY)
1088 const_iv (ST_NOSUID)
1089 const_iv (ST_NODEV)
1090 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 1091 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 1092 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 1093 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 1094 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 1095 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 1096 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 1097 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 1098 const_iv (ST_RELATIME)
1099
1100 const_iv (PROT_NONE)
1101 const_iv (PROT_EXEC)
1102 const_iv (PROT_READ)
1103 const_iv (PROT_WRITE)
1104
1105 const_iv (MAP_PRIVATE)
1106 const_iv (MAP_SHARED)
1107 const_iv (MAP_FIXED)
1108 const_iv (MAP_ANONYMOUS)
1109
1110 /* linuxish */
1111 const_iv (MAP_LOCKED)
1112 const_iv (MAP_NORESERVE)
1113 const_iv (MAP_POPULATE)
1114 const_iv (MAP_NONBLOCK)
1115 const_iv (MAP_GROWSDOWN)
1116 const_iv (MAP_32BIT)
1117 const_iv (MAP_HUGETLB)
1118 const_iv (MAP_STACK)
1119
1120 const_iv (MREMAP_MAYMOVE)
1121 const_iv (MREMAP_FIXED)
1122
1123 const_iv (F_DUPFD_CLOEXEC)
1124
1125 const_iv (F_OFD_GETLK)
1126 const_iv (F_OFD_SETLK)
1127 const_iv (F_OFD_GETLKW)
1128
1129 const_iv (FIFREEZE)
1130 const_iv (FITHAW)
1131 const_iv (FITRIM)
1132 const_iv (FICLONE)
1133 const_iv (FICLONERANGE)
1134 const_iv (FIDEDUPERANGE)
1135
1136 const_iv (FS_IOC_GETFLAGS)
1137 const_iv (FS_IOC_SETFLAGS)
1138 const_iv (FS_IOC_GETVERSION)
1139 const_iv (FS_IOC_SETVERSION)
1140 const_iv (FS_IOC_FIEMAP)
1141 const_iv (FS_IOC_FSGETXATTR)
1142 const_iv (FS_IOC_FSSETXATTR)
1143 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1144 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1145 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1146
1147 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1148
1149 const_iv (FS_SECRM_FL)
1150 const_iv (FS_UNRM_FL)
1151 const_iv (FS_COMPR_FL)
1152 const_iv (FS_SYNC_FL)
1153 const_iv (FS_IMMUTABLE_FL)
1154 const_iv (FS_APPEND_FL)
1155 const_iv (FS_NODUMP_FL)
1156 const_iv (FS_NOATIME_FL)
1157 const_iv (FS_DIRTY_FL)
1158 const_iv (FS_COMPRBLK_FL)
1159 const_iv (FS_NOCOMP_FL)
1160 const_iv (FS_ENCRYPT_FL)
1161 const_iv (FS_BTREE_FL)
1162 const_iv (FS_INDEX_FL)
1163 const_iv (FS_JOURNAL_DATA_FL)
1164 const_iv (FS_NOTAIL_FL)
1165 const_iv (FS_DIRSYNC_FL)
1166 const_iv (FS_TOPDIR_FL)
1167 const_iv (FS_FL_USER_MODIFIABLE)
1168
1169 const_iv (FS_XFLAG_REALTIME)
1170 const_iv (FS_XFLAG_PREALLOC)
1171 const_iv (FS_XFLAG_IMMUTABLE)
1172 const_iv (FS_XFLAG_APPEND)
1173 const_iv (FS_XFLAG_SYNC)
1174 const_iv (FS_XFLAG_NOATIME)
1175 const_iv (FS_XFLAG_NODUMP)
1176 const_iv (FS_XFLAG_RTINHERIT)
1177 const_iv (FS_XFLAG_PROJINHERIT)
1178 const_iv (FS_XFLAG_NOSYMLINKS)
1179 const_iv (FS_XFLAG_EXTSIZE)
1180 const_iv (FS_XFLAG_EXTSZINHERIT)
1181 const_iv (FS_XFLAG_NODEFRAG)
1182 const_iv (FS_XFLAG_FILESTREAM)
1183 const_iv (FS_XFLAG_DAX)
1184 const_iv (FS_XFLAG_HASATTR)
1185
1186 const_iv (FIEMAP_FLAG_SYNC)
1187 const_iv (FIEMAP_FLAG_XATTR)
1188 const_iv (FIEMAP_FLAGS_COMPAT)
1189 const_iv (FIEMAP_EXTENT_LAST)
1190 const_iv (FIEMAP_EXTENT_UNKNOWN)
1191 const_iv (FIEMAP_EXTENT_DELALLOC)
1192 const_iv (FIEMAP_EXTENT_ENCODED)
1193 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1194 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1195 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1196 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1197 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1198 const_iv (FIEMAP_EXTENT_MERGED)
1199 const_iv (FIEMAP_EXTENT_SHARED)
1200
1201 const_iv (SPLICE_F_MOVE)
1202 const_iv (SPLICE_F_NONBLOCK)
1203 const_iv (SPLICE_F_MORE)
1204 const_iv (SPLICE_F_GIFT)
1205
1206 const_iv (EFD_CLOEXEC)
1207 const_iv (EFD_NONBLOCK)
1208 const_iv (EFD_SEMAPHORE)
1209
1210 const_iv (CLOCK_REALTIME)
1211 const_iv (CLOCK_MONOTONIC)
1212 const_iv (CLOCK_BOOTTIME)
1213 const_iv (CLOCK_REALTIME_ALARM)
1214 const_iv (CLOCK_BOOTTIME_ALARM)
1215
1216 const_iv (TFD_NONBLOCK)
1217 const_iv (TFD_CLOEXEC)
1218
1219 const_iv (TFD_TIMER_ABSTIME)
1220 const_iv (TFD_TIMER_CANCEL_ON_SET)
1221
1222 /* these are libeio constants, and are independent of gendef0 */
1223 const_eio (SEEK_SET)
1224 const_eio (SEEK_CUR)
1225 const_eio (SEEK_END)
1226
1227 const_eio (MCL_FUTURE)
1228 const_eio (MCL_CURRENT)
633 1229
634 const_eio (MS_ASYNC) 1230 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 1231 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 1232 const_eio (MS_SYNC)
637 1233
638 const_eio (MT_MODIFY) 1234 const_eio (MT_MODIFY)
639 1235
640 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1236 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
641 const_eio (SYNC_FILE_RANGE_WRITE) 1237 const_eio (SYNC_FILE_RANGE_WRITE)
642 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1238 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1239
1240 const_eio (FALLOC_FL_KEEP_SIZE)
1241 const_eio (FALLOC_FL_PUNCH_HOLE)
1242 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1243 const_eio (FALLOC_FL_ZERO_RANGE)
1244 const_eio (FALLOC_FL_INSERT_RANGE)
1245 const_eio (FALLOC_FL_UNSHARE_RANGE)
1246
1247 const_eio (RENAME_NOREPLACE)
1248 const_eio (RENAME_EXCHANGE)
1249 const_eio (RENAME_WHITEOUT)
643 1250
644 const_eio (READDIR_DENTS) 1251 const_eio (READDIR_DENTS)
645 const_eio (READDIR_DIRS_FIRST) 1252 const_eio (READDIR_DIRS_FIRST)
646 const_eio (READDIR_STAT_ORDER) 1253 const_eio (READDIR_STAT_ORDER)
647 const_eio (READDIR_FOUND_UNKNOWN) 1254 const_eio (READDIR_FOUND_UNKNOWN)
… …
658 }; 1265 };
659 1266
660 aio_stash = gv_stashpv ("IO::AIO" , 1); 1267 aio_stash = gv_stashpv ("IO::AIO" , 1);
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1268 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1269 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1270 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
663 1271
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1272 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1273 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
666 1274
667 create_respipe (); 1275 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
668 1276
669 if (eio_init (want_poll, done_poll) < 0) 1277 reinit ();
670 croak ("IO::AIO: unable to initialise eio library");
671
672 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child);
674} 1278}
675 1279
676void 1280void
1281reinit ()
1282 PROTOTYPE:
1283
1284void
677max_poll_reqs (int nreqs) 1285max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 1286 PROTOTYPE: $
679 CODE: 1287 CODE:
680 eio_set_max_poll_reqs (nreqs); 1288 eio_set_max_poll_reqs (nreqs);
681 1289
682void 1290void
… …
684 PROTOTYPE: $ 1292 PROTOTYPE: $
685 CODE: 1293 CODE:
686 eio_set_max_poll_time (nseconds); 1294 eio_set_max_poll_time (nseconds);
687 1295
688void 1296void
689min_parallel (int nthreads) 1297min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 1298 PROTOTYPE: $
691 CODE: 1299 CODE:
692 eio_set_min_parallel (nthreads); 1300 eio_set_min_parallel (nthreads);
693 1301
694void 1302void
695max_parallel (int nthreads) 1303max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 1304 PROTOTYPE: $
697 CODE: 1305 CODE:
698 eio_set_max_parallel (nthreads); 1306 eio_set_max_parallel (nthreads);
699 1307
700void 1308void
701max_idle (int nthreads) 1309max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 1310 PROTOTYPE: $
703 CODE: 1311 CODE:
704 eio_set_max_idle (nthreads); 1312 eio_set_max_idle (nthreads);
705 1313
706void 1314void
1315idle_timeout (unsigned int seconds)
1316 PROTOTYPE: $
1317 CODE:
1318 eio_set_idle_timeout (seconds);
1319
1320void
707max_outstanding (int maxreqs) 1321max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 1322 PROTOTYPE: $
709 CODE: 1323 CODE:
710 max_outstanding = maxreqs; 1324 max_outstanding = maxreqs;
711 1325
712void 1326void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1327aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 1328 PPCODE:
716{ 1329{
717 dREQ; 1330 dREQ;
718 1331
1332 req->type = EIO_WD_OPEN;
1333 req_set_path1 (req, pathname);
1334
1335 REQ_SEND;
1336}
1337
1338void
1339aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1340 PPCODE:
1341{
1342 dREQ;
1343
719 req->type = EIO_OPEN; 1344 req->type = EIO_OPEN;
720 req->sv1 = newSVsv (pathname); 1345 req_set_path1 (req, pathname);
721 req->ptr1 = SvPVbyte_nolen (req->sv1);
722 req->int1 = flags; 1346 req->int1 = flags;
723 req->int2 = mode; 1347 req->int2 = mode;
724 1348
725 REQ_SEND; 1349 REQ_SEND;
726} 1350}
727 1351
728void 1352void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1353aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 1354 ALIAS:
732 aio_fsync = EIO_FSYNC 1355 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 1356 aio_fdatasync = EIO_FDATASYNC
1357 aio_syncfs = EIO_SYNCFS
734 PPCODE: 1358 PPCODE:
735{ 1359{
736 int fd = s_fileno_croak (fh, 0); 1360 int fd = s_fileno_croak (fh, 0);
737 dREQ; 1361 dREQ;
738 1362
739 req->type = ix; 1363 req->type = ix;
740 req->sv1 = newSVsv (fh); 1364 req->sv1 = newSVsv (fh);
741 req->int1 = fd; 1365 req->int1 = fd;
742 1366
743 REQ_SEND (req); 1367 REQ_SEND;
744} 1368}
745 1369
746void 1370void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1371aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1372 PPCODE:
750{ 1373{
751 int fd = s_fileno_croak (fh, 0); 1374 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1375 dREQ;
753 1376
754 req->type = EIO_SYNC_FILE_RANGE; 1377 req->type = EIO_SYNC_FILE_RANGE;
755 req->sv1 = newSVsv (fh); 1378 req->sv1 = newSVsv (fh);
756 req->int1 = fd; 1379 req->int1 = fd;
757 req->offs = offset; 1380 req->offs = offset;
758 req->size = nbytes; 1381 req->size = nbytes;
759 req->int2 = flags; 1382 req->int2 = flags;
760 1383
761 REQ_SEND (req); 1384 REQ_SEND;
762} 1385}
763 1386
764void 1387void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1388aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1389 PPCODE:
768{ 1390{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1391 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1392 dREQ;
772 1393
773 if (close_pipe < 0) 1394 req->type = EIO_FALLOCATE;
1395 req->sv1 = newSVsv (fh);
1396 req->int1 = fd;
1397 req->int2 = mode;
1398 req->offs = offset;
1399 req->size = len;
1400
1401 REQ_SEND;
1402}
1403
1404void
1405aio_close (SV *fh, SV *callback = &PL_sv_undef)
1406 PPCODE:
1407{
1408 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1409 int fd = s_fileno_croak (fh, 0);
1410 dREQ;
1411
1412 if (expect_false (close_fd < 0))
774 { 1413 {
775 int pipefd [2]; 1414 int pipefd [2];
776 1415
1416 if (
1417#ifdef _WIN32
1418 _pipe (pipefd, 1, _O_BINARY) < 0
1419#else
777 if (pipe (pipefd) < 0 1420 pipe (pipefd) < 0
778 || close (pipefd [1]) < 0
779 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1421 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1422#endif
1423 || close (pipefd [1]) < 0
1424 )
780 abort (); /*D*/ 1425 abort (); /*D*/
781 1426
782 close_pipe = pipefd [0]; 1427 close_fd = pipefd [0];
783 } 1428 }
784 1429
785 req->type = EIO_DUP2; 1430 req->type = EIO_DUP2;
786 req->int1 = close_pipe; 1431 req->int1 = close_fd;
787 req->sv2 = newSVsv (fh); 1432 req->sv2 = newSVsv (fh);
788 req->int2 = fd; 1433 req->int2 = fd;
789 1434
790 REQ_SEND (req); 1435 REQ_SEND;
791} 1436}
792 1437
793void 1438void
1439aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1440 PPCODE:
1441{
1442 int fd = s_fileno_croak (fh, 0);
1443 dREQ;
1444
1445 req->type = EIO_SEEK;
1446 req->sv1 = newSVsv (fh);
1447 req->int1 = fd;
1448 req->offs = SvVAL64 (offset);
1449 req->int2 = whence;
1450
1451 REQ_SEND;
1452}
1453
1454void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1455aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
795 ALIAS: 1456 ALIAS:
796 aio_read = EIO_READ 1457 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1458 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1459 PPCODE:
800{ 1460{
801 STRLEN svlen; 1461 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1462 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1463 char *svptr = SvPVbyte (data, svlen);
… …
816 len = svlen - dataoffset; 1476 len = svlen - dataoffset;
817 } 1477 }
818 else 1478 else
819 { 1479 {
820 /* read: check type and grow scalar as necessary */ 1480 /* read: check type and grow scalar as necessary */
821 SvUPGRADE (data, SVt_PV); 1481 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
822 svptr = SvGROW (data, len + dataoffset + 1); 1482 svptr = sv_grow (data, len + dataoffset + 1);
1483 else if (SvCUR (data) < len + dataoffset)
1484 croak ("length + dataoffset outside of scalar, and cannot grow");
823 } 1485 }
824 1486
825 { 1487 {
826 dREQ; 1488 dREQ;
827 1489
… …
843 REQ_SEND; 1505 REQ_SEND;
844 } 1506 }
845} 1507}
846 1508
847void 1509void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1510aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
849 PROTOTYPE: $$;$ 1511 ALIAS:
1512 aio_ioctl = EIO_IOCTL
1513 aio_fcntl = EIO_FCNTL
850 PPCODE: 1514 PPCODE:
851{ 1515{
852 SV *data; 1516 int fd = s_fileno_croak (fh, 0);
1517 char *svptr;
1518
1519 if (SvPOK (arg) || !SvNIOK (arg))
1520 {
1521 STRLEN svlen;
1522 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1523#ifdef IOCPARM_LEN
1524 STRLEN need = IOCPARM_LEN (request);
1525#else
1526 STRLEN need = 256;
1527#endif
1528
1529 if (svlen < need)
1530 svptr = SvGROW (arg, need);
1531 }
1532 else
1533 svptr = (char *)SvIV (arg);
1534
1535 {
1536 dREQ;
1537
1538 req->type = ix;
1539 req->sv1 = newSVsv (fh);
1540 req->int1 = fd;
1541 req->int2 = (long)request;
1542 req->sv2 = SvREFCNT_inc (arg);
1543 req->ptr2 = svptr;
1544
1545 REQ_SEND;
1546 }
1547}
1548
1549void
1550aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1551 ALIAS:
1552 aio_readlink = EIO_READLINK
1553 aio_realpath = EIO_REALPATH
1554 PPCODE:
1555{
853 dREQ; 1556 dREQ;
854 1557
855 req->type = EIO_READLINK; 1558 req->type = ix;
856 req->sv1 = newSVsv (path); 1559 req_set_path1 (req, pathname);
857 req->ptr1 = SvPVbyte_nolen (req->sv1);
858 1560
859 REQ_SEND; 1561 REQ_SEND;
860} 1562}
861 1563
862void 1564void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1565aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1566 PPCODE:
866{ 1567{
867 int ifd = s_fileno_croak (in_fh , 0); 1568 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1569 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1570 dREQ;
870 1571
871 req->type = EIO_SENDFILE; 1572 req->type = EIO_SENDFILE;
872 req->sv1 = newSVsv (out_fh); 1573 req->sv1 = newSVsv (out_fh);
873 req->int1 = ofd; 1574 req->int1 = ofd;
… …
878 1579
879 REQ_SEND; 1580 REQ_SEND;
880} 1581}
881 1582
882void 1583void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1584aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1585 PPCODE:
886{ 1586{
887 int fd = s_fileno_croak (fh, 0); 1587 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1588 dREQ;
889 1589
890 req->type = EIO_READAHEAD; 1590 req->type = EIO_READAHEAD;
891 req->sv1 = newSVsv (fh); 1591 req->sv1 = newSVsv (fh);
892 req->int1 = fd; 1592 req->int1 = fd;
… …
895 1595
896 REQ_SEND; 1596 REQ_SEND;
897} 1597}
898 1598
899void 1599void
900aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1600aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
901 ALIAS: 1601 ALIAS:
902 aio_stat = EIO_STAT 1602 aio_stat = EIO_STAT
903 aio_lstat = EIO_LSTAT 1603 aio_lstat = EIO_LSTAT
904 aio_statvfs = EIO_STATVFS 1604 aio_statvfs = EIO_STATVFS
905 PPCODE: 1605 PPCODE:
906{ 1606{
907 dREQ; 1607 dREQ;
908 1608
909 req->sv1 = newSVsv (fh_or_path); 1609 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
910
911 if (SvPOK (req->sv1))
912 {
913 req->type = ix;
914 req->ptr1 = SvPVbyte_nolen (req->sv1);
915 }
916 else
917 {
918 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
919 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
920 }
921 1610
922 REQ_SEND; 1611 REQ_SEND;
923} 1612}
924 1613
1614UV
1615major (UV dev)
1616 ALIAS:
1617 minor = 1
1618 CODE:
1619 RETVAL = ix ? minor (dev) : major (dev);
1620 OUTPUT:
1621 RETVAL
1622
1623UV
1624makedev (UV maj, UV min)
1625 CODE:
1626 RETVAL = makedev (maj, min);
1627 OUTPUT:
1628 RETVAL
1629
925void 1630void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1631aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
927 PPCODE: 1632 PPCODE:
928{ 1633{
929 dREQ; 1634 dREQ;
930 1635
931 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1636 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
932 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1637 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
933 req->sv1 = newSVsv (fh_or_path); 1638 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
934
935 if (SvPOK (req->sv1))
936 {
937 req->type = EIO_UTIME;
938 req->ptr1 = SvPVbyte_nolen (req->sv1);
939 }
940 else
941 {
942 req->type = EIO_FUTIME;
943 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
944 }
945 1639
946 REQ_SEND; 1640 REQ_SEND;
947} 1641}
948 1642
949void 1643void
950aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1644aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
951 PPCODE: 1645 PPCODE:
952{ 1646{
953 dREQ; 1647 dREQ;
954 1648
955 req->sv1 = newSVsv (fh_or_path);
956 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1649 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
957 1650 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
958 if (SvPOK (req->sv1))
959 {
960 req->type = EIO_TRUNCATE;
961 req->ptr1 = SvPVbyte_nolen (req->sv1);
962 }
963 else
964 {
965 req->type = EIO_FTRUNCATE;
966 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
967 }
968 1651
969 REQ_SEND; 1652 REQ_SEND;
970} 1653}
971 1654
972void 1655void
973aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1656aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
974 ALIAS:
975 aio_chmod = EIO_CHMOD
976 aio_mkdir = EIO_MKDIR
977 PPCODE: 1657 PPCODE:
978{ 1658{
979 dREQ; 1659 dREQ;
980 1660
981 req->int2 = mode; 1661 req->int2 = mode;
982 req->sv1 = newSVsv (fh_or_path); 1662 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
983
984 if (SvPOK (req->sv1))
985 {
986 req->type = ix;
987 req->ptr1 = SvPVbyte_nolen (req->sv1);
988 }
989 else
990 {
991 req->type = EIO_FCHMOD;
992 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
993 }
994 1663
995 REQ_SEND; 1664 REQ_SEND;
996} 1665}
997 1666
998void 1667void
999aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1668aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1000 PPCODE: 1669 PPCODE:
1001{ 1670{
1002 dREQ; 1671 dREQ;
1003 1672
1004 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1673 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1005 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1674 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1006 req->sv1 = newSVsv (fh_or_path); 1675 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1007
1008 if (SvPOK (req->sv1))
1009 {
1010 req->type = EIO_CHOWN;
1011 req->ptr1 = SvPVbyte_nolen (req->sv1);
1012 }
1013 else
1014 {
1015 req->type = EIO_FCHOWN;
1016 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1017 }
1018 1676
1019 REQ_SEND; 1677 REQ_SEND;
1020} 1678}
1021 1679
1022void 1680void
1023aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1681aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1024 PPCODE: 1682 PPCODE:
1025{ 1683{
1026 dREQ; 1684 dREQ;
1027 1685
1028 req->type = EIO_READDIR; 1686 req->type = EIO_READDIR;
1029 req->sv1 = newSVsv (pathname);
1030 req->ptr1 = SvPVbyte_nolen (req->sv1);
1031 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1687 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1032 1688
1033 if (flags & EIO_READDIR_DENTS) 1689 if (flags & EIO_READDIR_DENTS)
1034 req->int1 |= EIO_READDIR_CUSTOM2; 1690 req->int1 |= EIO_READDIR_CUSTOM2;
1035 1691
1692 req_set_path1 (req, pathname);
1693
1036 REQ_SEND; 1694 REQ_SEND;
1037} 1695}
1038 1696
1039void 1697void
1698aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1699 PPCODE:
1700{
1701 dREQ;
1702
1703 req->type = EIO_MKDIR;
1704 req->int2 = mode;
1705 req_set_path1 (req, pathname);
1706
1707 REQ_SEND;
1708}
1709
1710void
1040aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1711aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1041 ALIAS: 1712 ALIAS:
1042 aio_unlink = EIO_UNLINK 1713 aio_unlink = EIO_UNLINK
1043 aio_rmdir = EIO_RMDIR 1714 aio_rmdir = EIO_RMDIR
1044 aio_readdir = EIO_READDIR 1715 aio_readdir = EIO_READDIR
1045 PPCODE: 1716 PPCODE:
1046{ 1717{
1047 dREQ; 1718 dREQ;
1048 1719
1049 req->type = ix; 1720 req->type = ix;
1050 req->sv1 = newSVsv (pathname); 1721 req_set_path1 (req, pathname);
1051 req->ptr1 = SvPVbyte_nolen (req->sv1);
1052 1722
1053 REQ_SEND; 1723 REQ_SEND;
1054} 1724}
1055 1725
1056void 1726void
1057aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1727aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1058 ALIAS: 1728 ALIAS:
1059 aio_link = EIO_LINK 1729 aio_link = EIO_LINK
1060 aio_symlink = EIO_SYMLINK 1730 aio_symlink = EIO_SYMLINK
1061 aio_rename = EIO_RENAME 1731 aio_rename = EIO_RENAME
1062 PPCODE: 1732 PPCODE:
1063{ 1733{
1734 eio_wd wd2 = 0;
1064 dREQ; 1735 dREQ;
1065 1736
1066 req->type = ix; 1737 req->type = ix;
1067 req->sv1 = newSVsv (oldpath); 1738 req_set_path1 (req, oldpath);
1068 req->ptr1 = SvPVbyte_nolen (req->sv1); 1739 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1069 req->sv2 = newSVsv (newpath); 1740 req->int3 = (long)wd2;
1070 req->ptr2 = SvPVbyte_nolen (req->sv2);
1071 1741
1072 REQ_SEND; 1742 REQ_SEND;
1073} 1743}
1074 1744
1075void 1745void
1746aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1747 PPCODE:
1748{
1749 eio_wd wd2 = 0;
1750 dREQ;
1751
1752 req->type = EIO_RENAME;
1753 req_set_path1 (req, oldpath);
1754 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1755 req->int2 = flags;
1756 req->int3 = (long)wd2;
1757
1758 REQ_SEND;
1759}
1760
1761void
1076aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1762aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1077 PPCODE: 1763 PPCODE:
1078{ 1764{
1079 dREQ; 1765 dREQ;
1080 1766
1081 req->type = EIO_MKNOD; 1767 req->type = EIO_MKNOD;
1082 req->sv1 = newSVsv (pathname);
1083 req->ptr1 = SvPVbyte_nolen (req->sv1);
1084 req->int2 = (mode_t)mode; 1768 req->int2 = (mode_t)mode;
1085 req->offs = dev; 1769 req->offs = dev;
1770 req_set_path1 (req, pathname);
1086 1771
1087 REQ_SEND; 1772 REQ_SEND;
1088} 1773}
1089 1774
1090void 1775void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1776aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1092 ALIAS: 1777 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1778 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1779 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1780 PPCODE:
1097{ 1781{
1098 STRLEN svlen; 1782 STRLEN svlen;
1783 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1784 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen); 1785
1786 if (flags < 0)
1787 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1101 1788
1102 if (offset < 0) 1789 if (offset < 0)
1103 offset += svlen; 1790 offset += svlen;
1104 1791
1105 if (offset < 0 || offset > svlen) 1792 if (offset < 0 || offset > svlen)
… …
1110 1797
1111 { 1798 {
1112 dREQ; 1799 dREQ;
1113 1800
1114 req->type = ix; 1801 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1802 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1803 req->ptr2 = (char *)svptr + offset;
1804 req->size = len;
1118 req->int1 = flags; 1805 req->int1 = flags;
1119 1806
1120 REQ_SEND; 1807 REQ_SEND;
1121 } 1808 }
1122} 1809}
1123 1810
1124void 1811void
1812aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1813 PPCODE:
1814{
1815 STRLEN svlen;
1816 char *svptr = SvPVbyte (data, svlen);
1817 UV len = SvUV (length);
1818
1819 if (offset < 0)
1820 offset += svlen;
1821
1822 if (offset < 0 || offset > svlen)
1823 croak ("offset outside of scalar");
1824
1825 if (!SvOK (length) || len + offset > svlen)
1826 len = svlen - offset;
1827
1828 {
1829 dREQ;
1830
1831 req->type = EIO_MLOCK;
1832 req->sv2 = SvREFCNT_inc (data);
1833 req->ptr2 = (char *)svptr + offset;
1834 req->size = len;
1835
1836 REQ_SEND;
1837 }
1838}
1839
1840void
1841aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1842 PPCODE:
1843{
1844 dREQ;
1845
1846 req->type = EIO_MLOCKALL;
1847 req->int1 = flags;
1848
1849 REQ_SEND;
1850}
1851
1852void
1853aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1854 PPCODE:
1855{
1856 int fd = s_fileno_croak (fh, 0);
1857 dREQ;
1858
1859 req->type = EIO_CUSTOM;
1860 req->sv1 = newSVsv (fh);
1861 req->int1 = fd;
1862
1863 req->feed = fiemap;
1864#if HAVE_FIEMAP
1865 /* keep our fingers crossed that the next two types are 64 bit */
1866 req->offs = start;
1867 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1868 req->int2 = flags;
1869 req->int3 = SvOK (count) ? SvIV (count) : -1;
1870#endif
1871
1872 REQ_SEND;
1873}
1874
1875void
1876aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1877 PPCODE:
1878{
1879 char *svptr = 0;
1880
1881 sv_clear_foreign (data);
1882
1883 if (length) /* known length, directly read into scalar */
1884 {
1885 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1886 svptr = sv_grow (data, length + 1);
1887 else if (SvCUR (data) < length)
1888 croak ("length outside of scalar, and cannot grow");
1889 else
1890 svptr = SvPVbyte_nolen (data);
1891 }
1892
1893 {
1894 dREQ;
1895
1896 req->type = EIO_SLURP;
1897 req_set_path1 (req, pathname);
1898 req->offs = offset;
1899 req->size = length;
1900 req->sv2 = SvREFCNT_inc (data);
1901 req->ptr2 = svptr;
1902
1903 if (!SvREADONLY (data))
1904 {
1905 SvREADONLY_on (data);
1906 req->flags |= FLAG_SV2_RO_OFF;
1907 }
1908
1909 REQ_SEND;
1910 }
1911}
1912
1913void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1914aio_busy (double delay, SV *callback = &PL_sv_undef)
1126 PPCODE: 1915 PPCODE:
1127{ 1916{
1128 dREQ; 1917 dREQ;
1129 1918
1130 req->type = EIO_BUSY; 1919 req->type = EIO_BUSY;
… …
1132 1921
1133 REQ_SEND; 1922 REQ_SEND;
1134} 1923}
1135 1924
1136void 1925void
1137aio_group (SV *callback=&PL_sv_undef) 1926aio_group (SV *callback = &PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1927 PPCODE:
1140{ 1928{
1141 dREQ; 1929 dREQ;
1142 1930
1143 req->type = EIO_GROUP; 1931 req->type = EIO_GROUP;
1144 1932
1933 PUTBACK;
1145 req_submit (req); 1934 req_submit (req);
1935 SPAGAIN;
1936
1146 XPUSHs (req_sv (req, aio_grp_stash)); 1937 XPUSHs (req_sv (req, aio_grp_stash));
1147} 1938}
1148 1939
1149void 1940void
1150aio_nop (SV *callback=&PL_sv_undef) 1941aio_nop (SV *callback = &PL_sv_undef)
1151 ALIAS: 1942 ALIAS:
1152 aio_nop = EIO_NOP 1943 aio_nop = EIO_NOP
1153 aio_sync = EIO_SYNC 1944 aio_sync = EIO_SYNC
1154 PPCODE: 1945 PPCODE:
1155{ 1946{
… …
1159 1950
1160 REQ_SEND; 1951 REQ_SEND;
1161} 1952}
1162 1953
1163int 1954int
1164aioreq_pri (int pri = 0) 1955aioreq_pri (int pri = NO_INIT)
1165 PROTOTYPE: ;$
1166 CODE: 1956 CODE:
1167 RETVAL = next_pri; 1957 RETVAL = next_pri;
1168 if (items > 0) 1958 if (items > 0)
1169 { 1959 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1960 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1972 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1973 next_pri = nice;
1184 1974
1185void 1975void
1186flush () 1976flush ()
1187 PROTOTYPE:
1188 CODE: 1977 CODE:
1189 while (eio_nreqs ()) 1978 while (eio_nreqs ())
1190 { 1979 {
1191 poll_wait (); 1980 poll_wait ();
1192 poll_cb (); 1981 poll_cb ();
1193 } 1982 }
1194 1983
1195int 1984int
1196poll() 1985poll ()
1197 PROTOTYPE:
1198 CODE: 1986 CODE:
1199 poll_wait (); 1987 poll_wait ();
1200 RETVAL = poll_cb (); 1988 RETVAL = poll_cb ();
1201 OUTPUT: 1989 OUTPUT:
1202 RETVAL 1990 RETVAL
1203 1991
1204int 1992int
1205poll_fileno() 1993poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1994 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1995 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1996 OUTPUT:
1210 RETVAL 1997 RETVAL
1211 1998
1212int 1999int
1213poll_cb(...) 2000poll_cb (...)
1214 PROTOTYPE: 2001 PROTOTYPE:
1215 CODE: 2002 CODE:
1216 RETVAL = poll_cb (); 2003 RETVAL = poll_cb ();
1217 OUTPUT: 2004 OUTPUT:
1218 RETVAL 2005 RETVAL
1219 2006
1220void 2007void
1221poll_wait() 2008poll_wait ()
1222 PROTOTYPE:
1223 CODE: 2009 CODE:
1224 poll_wait (); 2010 poll_wait ();
1225 2011
1226int 2012int
1227nreqs() 2013nreqs ()
1228 PROTOTYPE:
1229 CODE: 2014 CODE:
1230 RETVAL = eio_nreqs (); 2015 RETVAL = eio_nreqs ();
1231 OUTPUT: 2016 OUTPUT:
1232 RETVAL 2017 RETVAL
1233 2018
1234int 2019int
1235nready() 2020nready ()
1236 PROTOTYPE:
1237 CODE: 2021 CODE:
1238 RETVAL = eio_nready (); 2022 RETVAL = eio_nready ();
1239 OUTPUT: 2023 OUTPUT:
1240 RETVAL 2024 RETVAL
1241 2025
1242int 2026int
1243npending() 2027npending ()
1244 PROTOTYPE:
1245 CODE: 2028 CODE:
1246 RETVAL = eio_npending (); 2029 RETVAL = eio_npending ();
1247 OUTPUT: 2030 OUTPUT:
1248 RETVAL 2031 RETVAL
1249 2032
1250int 2033int
1251nthreads() 2034nthreads ()
1252 PROTOTYPE:
1253 CODE: 2035 CODE:
1254 RETVAL = eio_nthreads (); 2036 RETVAL = eio_nthreads ();
1255 OUTPUT: 2037 OUTPUT:
1256 RETVAL 2038 RETVAL
1257 2039
1258int 2040int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2041fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 2042 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 2043 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 2044 OUTPUT:
1268 RETVAL 2045 RETVAL
1269 2046
1270ssize_t 2047IV
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2048sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 2049 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2050 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 2051 OUTPUT:
1276 RETVAL 2052 RETVAL
1277 2053
2054void
2055mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
2056 PPCODE:
2057 sv_clear_foreign (scalar);
2058{
2059 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
2060 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
2061 if (addr == (void *)-1)
2062 XSRETURN_NO;
2063
2064 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
2065
2066 if (!(prot & PROT_WRITE))
2067 SvREADONLY_on (scalar);
2068
2069 XSRETURN_YES;
2070}
2071
2072void
2073munmap (SV *scalar)
2074 CODE:
2075 sv_clear_foreign (scalar);
2076
2077SV *
2078mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2079 CODE:
2080{
2081 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2082 void *new;
2083
2084 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2085 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2086
2087 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2088
2089 RETVAL = &PL_sv_no;
2090
2091 if (new != (void *)-1)
2092 {
2093 RETVAL = new == (void *)mg->mg_ptr
2094 ? newSVpvn ("0 but true", 10)
2095 : &PL_sv_yes;
2096
2097 mg->mg_ptr = (char *)new;
2098 mg->mg_obj = (SV *)new_length;
2099
2100 SvPVX (scalar) = mg->mg_ptr;
2101 SvCUR_set (scalar, new_length);
2102 }
2103}
2104 OUTPUT:
2105 RETVAL
2106
2107int
2108madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2109 ALIAS:
2110 mprotect = 1
2111 CODE:
2112{
2113 STRLEN svlen;
2114 void *addr = SvPVbyte (scalar, svlen);
2115 STRLEN len = SvUV (length);
2116
2117 if (offset < 0)
2118 offset += svlen;
2119
2120 if (offset < 0 || offset > svlen)
2121 croak ("offset outside of scalar");
2122
2123 if (!SvOK (length) || len + offset > svlen)
2124 len = svlen - offset;
2125
2126 addr = (void *)(((intptr_t)addr) + offset);
2127 eio_page_align (&addr, &len);
2128
2129 switch (ix)
2130 {
2131 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2132 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2133 }
2134}
2135 OUTPUT:
2136 RETVAL
2137
2138int
2139munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
2140 CODE:
2141{
2142 STRLEN svlen;
2143 void *addr = SvPVbyte (scalar, svlen);
2144 size_t len = SvUV (length);
2145
2146 if (offset < 0)
2147 offset += svlen;
2148
2149 if (offset < 0 || offset > svlen)
2150 croak ("offset outside of scalar");
2151
2152 if (!SvOK (length) || len + offset > svlen)
2153 len = svlen - offset;
2154
2155 addr = (void *)(((intptr_t)addr) + offset);
2156 eio_page_align (&addr, &len);
2157#if _POSIX_MEMLOCK_RANGE
2158 RETVAL = munlock (addr, len);
2159#else
2160 RETVAL = EIO_ENOSYS ();
2161#endif
2162}
2163 OUTPUT:
2164 RETVAL
2165
2166int
2167munlockall ()
2168 CODE:
2169#if _POSIX_MEMLOCK
2170 munlockall ();
2171#else
2172 RETVAL = EIO_ENOSYS ();
2173#endif
2174 OUTPUT:
2175 RETVAL
2176
2177int
2178splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2179 CODE:
2180{
2181#if HAVE_LINUX_SPLICE
2182 loff_t off_in_, off_out_;
2183 RETVAL = splice (
2184 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2185 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2186 length, flags
2187 );
2188#else
2189 RETVAL = EIO_ENOSYS ();
2190#endif
2191}
2192 OUTPUT:
2193 RETVAL
2194
2195int
2196tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2197 CODE:
2198#if HAVE_LINUX_SPLICE
2199 RETVAL = tee (rfh, wfh, length, flags);
2200#else
2201 RETVAL = EIO_ENOSYS ();
2202#endif
2203 OUTPUT:
2204 RETVAL
2205
2206int
2207pipesize (aio_rfd rfh, int new_size = -1)
2208 PROTOTYPE: $;$
2209 CODE:
2210#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2211 if (new_size >= 0)
2212 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2213 else
2214 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2215#else
2216 errno = ENOSYS;
2217 RETVAL = -1;
2218#endif
2219 OUTPUT:
2220 RETVAL
2221
2222void
2223pipe2 (int flags = 0)
2224 PROTOTYPE: ;$
2225 PPCODE:
2226{
2227 int fd[2];
2228 int res;
2229
2230 if (flags)
2231#if HAVE_PIPE2
2232 res = pipe2 (fd, flags);
2233#else
2234 res = (errno = ENOSYS, -1);
2235#endif
2236 else
2237 res = pipe (fd);
2238
2239 if (!res)
2240 {
2241 EXTEND (SP, 2);
2242 PUSHs (newmortalFH (fd[0], O_RDONLY));
2243 PUSHs (newmortalFH (fd[1], O_WRONLY));
2244 }
2245}
2246
2247void
2248eventfd (unsigned int initval = 0, int flags = 0)
2249 PPCODE:
2250{
2251 int fd;
2252#if HAVE_EVENTFD
2253 fd = eventfd (initval, flags);
2254#else
2255 fd = (errno = ENOSYS, -1);
2256#endif
2257
2258 XPUSHs (newmortalFH (fd, O_RDWR));
2259}
2260
2261void
2262timerfd_create (int clockid, int flags = 0)
2263 PPCODE:
2264{
2265 int fd;
2266#if HAVE_TIMERFD
2267 fd = timerfd_create (clockid, flags);
2268#else
2269 fd = (errno = ENOSYS, -1);
2270#endif
2271
2272 XPUSHs (newmortalFH (fd, O_RDWR));
2273}
2274
2275void
2276timerfd_settime (SV *fh, int flags, NV interval, NV value)
2277 PPCODE:
2278{
2279 int fd = s_fileno_croak (fh, 0);
2280#if HAVE_TIMERFD
2281 int res;
2282 struct itimerspec its, ots;
2283
2284 ts_set (&its.it_interval, interval);
2285 ts_set (&its.it_value , value);
2286 res = timerfd_settime (fd, flags, &its, &ots);
2287
2288 if (!res)
2289 {
2290 EXTEND (SP, 2);
2291 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2292 PUSHs (newSVnv (ts_get (&ots.it_value)));
2293 }
2294#else
2295 errno = ENOSYS;
2296#endif
2297}
2298
2299void
2300timerfd_gettime (SV *fh)
2301 PPCODE:
2302{
2303 int fd = s_fileno_croak (fh, 0);
2304#if HAVE_TIMERFD
2305 int res;
2306 struct itimerspec ots;
2307 res = timerfd_gettime (fd, &ots);
2308
2309 if (!res)
2310 {
2311 EXTEND (SP, 2);
2312 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2313 PUSHs (newSVnv (ts_get (&ots.it_value)));
2314 }
2315#else
2316 errno = ENOSYS;
2317#endif
2318}
2319
2320UV
2321get_fdlimit ()
2322 CODE:
2323#if HAVE_RLIMITS
2324 struct rlimit rl;
2325 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2326 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2327#endif
2328 XSRETURN_UNDEF;
2329 OUTPUT:
2330 RETVAL
2331
2332void
2333min_fdlimit (UV limit = 0x7fffffffU)
2334 CODE:
2335{
2336#if HAVE_RLIMITS
2337 struct rlimit rl;
2338 rlim_t orig_rlim_max;
2339 UV bit;
2340
2341 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2342 goto fail;
2343
2344 if (rl.rlim_cur == RLIM_INFINITY)
2345 XSRETURN_YES;
2346
2347 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2348
2349 if (rl.rlim_cur < limit)
2350 {
2351 rl.rlim_cur = limit;
2352
2353 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2354 rl.rlim_max = rl.rlim_cur;
2355 }
2356
2357 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2358 XSRETURN_YES;
2359
2360 if (errno == EPERM)
2361 {
2362 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2363 /* our limit overflows a system-wide limit */
2364 /* try an adaptive algorithm, but do not lower the hardlimit */
2365 rl.rlim_max = 0;
2366 for (bit = 0x40000000U; bit; bit >>= 1)
2367 {
2368 rl.rlim_max |= bit;
2369 rl.rlim_cur = rl.rlim_max;
2370
2371 /* nevr decrease the hard limit */
2372 if (rl.rlim_max < orig_rlim_max)
2373 break;
2374
2375 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2376 rl.rlim_max &= ~bit; /* too high, remove bit again */
2377 }
2378
2379 /* now, raise the soft limit to the max permitted */
2380 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2381 {
2382 rl.rlim_cur = rl.rlim_max;
2383 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2384 errno = EPERM;
2385 }
2386 }
2387#endif
2388 fail:
2389 XSRETURN_UNDEF;
2390}
2391
1278void _on_next_submit (SV *cb) 2392void _on_next_submit (SV *cb)
1279 CODE: 2393 CODE:
1280 SvREFCNT_dec (on_next_submit); 2394 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2395 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 2396
1283PROTOTYPES: DISABLE 2397PROTOTYPES: DISABLE
1284 2398
2399MODULE = IO::AIO PACKAGE = IO::AIO::WD
2400
2401BOOT:
2402{
2403 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2404 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2405}
2406
2407void
2408DESTROY (SV *self)
2409 CODE:
2410{
2411 aio_wd wd = SvAIO_WD (self);
2412#if HAVE_AT
2413 {
2414 SV *callback = &PL_sv_undef;
2415 dREQ; /* clobbers next_pri :/ */
2416 next_pri = req->pri; /* restore next_pri */
2417 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2418 req->type = EIO_WD_CLOSE;
2419 req->wd = wd;
2420 REQ_SEND;
2421 }
2422#else
2423 eio_wd_close_sync (wd);
2424#endif
2425}
2426
1285MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2427MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1286 2428
1287void 2429void
1288cancel (aio_req_ornot req) 2430cancel (aio_req_ornot req)
1289 CODE: 2431 CODE:
1290 eio_cancel (req); 2432 eio_cancel (req);
1291 2433
1292void 2434void
1293cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2435cb (aio_req_ornot req, SV *callback = NO_INIT)
1294 PPCODE: 2436 PPCODE:
1295{ 2437{
1296 if (GIMME_V != G_VOID) 2438 if (GIMME_V != G_VOID)
1297 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2439 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1298 2440
1299 if (items > 1) 2441 if (items > 1)
1300 { 2442 {
1301 SV *cb_cv =get_cb (callback); 2443 SV *cb_cv = get_cb (callback);
1302 2444
1303 SvREFCNT_dec (req->callback); 2445 SvREFCNT_dec (req->callback);
1304 req->callback = SvREFCNT_inc (cb_cv); 2446 req->callback = SvREFCNT_inc (cb_cv);
1305 } 2447 }
1306} 2448}
… …
1363limit (aio_req grp, int limit) 2505limit (aio_req grp, int limit)
1364 CODE: 2506 CODE:
1365 eio_grp_limit (grp, limit); 2507 eio_grp_limit (grp, limit);
1366 2508
1367void 2509void
1368feed (aio_req grp, SV *callback=&PL_sv_undef) 2510feed (aio_req grp, SV *callback = &PL_sv_undef)
1369 CODE: 2511 CODE:
1370{ 2512{
1371 SvREFCNT_dec (grp->sv2); 2513 SvREFCNT_dec (grp->sv2);
1372 grp->sv2 = newSVsv (callback); 2514 grp->sv2 = newSVsv (callback);
1373 grp->feed = aio_grp_feed; 2515 grp->feed = aio_grp_feed;

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