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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.280 by root, Tue Sep 10 02:16:41 2019 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 20#include <limits.h>
18#include <fcntl.h> 21#include <fcntl.h>
19#include <sched.h> 22#include <sched.h>
20 23
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
23#endif 35# endif
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif 36#endif
29 37
30/* perl namespace pollution */ 38/* perl namespace pollution */
31#undef VERSION 39#undef VERSION
32
33#ifdef _WIN32
34
35# define EIO_STRUCT_DIRENT Direntry_t
36# undef malloc
37# undef free
38
39// perl overrides all those nice win32 functions
40# undef open
41# undef read
42# undef write
43# undef send
44# undef recv
45# undef stat
46# undef fstat
47# define lstat stat
48# undef truncate
49# undef ftruncate
50# undef open
51# undef close
52# undef unlink
53# undef rmdir
54# undef rename
55# undef lseek
56
57# define chown(a,b,c) (errno = ENOSYS, -1)
58# define fchown(a,b,c) (errno = ENOSYS, -1)
59# define fchmod(a,b) (errno = ENOSYS, -1)
60# define symlink(a,b) (errno = ENOSYS, -1)
61# define readlink(a,b,c) (errno = ENOSYS, -1)
62# define mknod(a,b,c) (errno = ENOSYS, -1)
63# define truncate(a,b) (errno = ENOSYS, -1)
64# define ftruncate(fd,o) chsize ((fd), (o))
65# define fsync(fd) _commit (fd)
66# define opendir(fd) (errno = ENOSYS, 0)
67# define readdir(fd) (errno = ENOSYS, -1)
68# define closedir(fd) (errno = ENOSYS, -1)
69# define mkdir(a,b) mkdir (a)
70
71#else
72
73# include <sys/time.h>
74# include <sys/select.h>
75# include <unistd.h>
76# include <utime.h>
77# include <signal.h>
78# define EIO_STRUCT_DIRENT struct dirent
79
80#endif
81 40
82/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
83/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
84#undef readdir 43#undef readdir
85#undef opendir 44#undef opendir
86#undef closedir 45#undef closedir
87 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
88#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
89 84
90/* use NV for 32 bit perls as it allows larger offsets */
91#if IVSIZE >= 8
92# define VAL64 IV
93# define SvVAL64 SvIV
94# define newSVval64 newSViv
95#else 85#else
96# define VAL64 NV 86
97# define SvVAL64 SvNV 87 #include <sys/time.h>
98# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <unistd.h>
90 #include <utime.h>
91 #include <signal.h>
92
93 #define EIO_STRUCT_STAT Stat_t
94
99#endif 95#endif
100 96
101/*****************************************************************************/ 97/*****************************************************************************/
102 98
103#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
109#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
110#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
111 107
112/*****************************************************************************/ 108/*****************************************************************************/
113 109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
171
114typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
115typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
116typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
117 175
118static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
119 177
120#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
121 SV *callback; \ 179 SV *callback; \
122 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
123 STRLEN stroffset; \ 182 STRLEN stroffset; \
124 SV *self; 183 SV *self;
125 184
126#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
127 186
128#include "libeio/eio.h" 187#include "libeio/eio.h"
129 188
130#ifndef POSIX_FADV_NORMAL 189static int req_invoke (eio_req *req);
131# define POSIX_FADV_NORMAL 0 190#define EIO_FINISH(req) req_invoke (req)
132# define NO_FADVISE 1 191static void req_destroy (eio_req *grp);
133#endif 192#define EIO_DESTROY(req) req_destroy (req)
134#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0
136#endif
137#ifndef POSIX_FADV_RANDOM
138# define POSIX_FADV_RANDOM 0
139#endif
140#ifndef POSIX_FADV_NOREUSE
141# define POSIX_FADV_NOREUSE 0
142#endif
143#ifndef POSIX_FADV_WILLNEED
144# define POSIX_FADV_WILLNEED 0
145#endif
146#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0
148#endif
149 193
150#ifndef ST_NODEV 194#include "libeio/eio.c"
151# define ST_NODEV 0
152#endif
153#ifndef ST_NOEXEC
154# define ST_NOEXEC 0
155#endif
156#ifndef ST_SYNCHRONOUS
157# define ST_SYNCHRONOUS 0
158#endif
159#ifndef ST_MANDLOCK
160# define ST_MANDLOCK 0
161#endif
162#ifndef ST_WRITE
163# define ST_WRITE 0
164#endif
165#ifndef ST_APPEND
166# define ST_APPEND 0
167#endif
168#ifndef ST_IMMUTABLE
169# define ST_IMMUTABLE 0
170#endif
171#ifndef ST_NOATIME
172# define ST_NOATIME 0
173#endif
174#ifndef ST_NODIRATIME
175# define ST_NODIRATIME 0
176#endif
177#ifndef ST_RELATIME
178# define ST_RELATIME 0
179#endif
180 195
181#ifndef MCL_CURRENT 196#if !HAVE_POSIX_FADVISE
182# define MCL_CURRENT 0 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
183#endif 198#endif
184#ifndef MCL_FUTURE 199
185# define MCL_FUTURE 0 200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
186#endif 202#endif
187 203
188#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 205# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
191# else 207# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif 209# endif
194#endif 210#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210 211
212#ifndef makedev
213# define makedev(maj,min) (((maj) << 8) | (min))
214#endif
215#ifndef major
216# define major(dev) ((dev) >> 8)
217#endif
218#ifndef minor
219# define minor(dev) ((dev) & 0xff)
220#endif
221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
211#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
212# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 229#endif
214 230
215static int req_invoke (eio_req *req); 231/*****************************************************************************/
216#define EIO_FINISH(req) req_invoke (req) 232
217static void req_destroy (eio_req *grp); 233#if !_POSIX_MAPPED_FILES
218#define EIO_DESTROY(req) req_destroy (req) 234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298ecb_noinline
299static void
300sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
301{
302 sv_force_normal (sv);
303
304 /* we store the length in mg_obj, as namlen is I32 :/ */
305 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
306 ->mg_obj = (SV *)length;
307
308 SvUPGRADE (sv, SVt_PV); /* nop... */
309
310 if (SvLEN (sv))
311 Safefree (SvPVX (sv));
312
313 SvPVX (sv) = (char *)addr;
314 SvCUR_set (sv, length);
315 SvLEN_set (sv, 0);
316 SvPOK_only (sv);
317}
318
319static void
320sv_clear_foreign (SV *sv)
321{
322 /* todo: iterate over magic and only free ours, but of course */
323 /* the perl5porters will call that (correct) behaviour buggy */
324 sv_unmagic (sv, FOREIGN_MAGIC);
325}
326
327/*****************************************************************************/
328
329/* defines all sorts of constants to 0 unless they are already defined */
330/* also provides const_iv_ and const_niv_ macros for them */
331#include "def0.h"
332
333/*****************************************************************************/
334
335static void
336fiemap (eio_req *req)
337{
338 req->result = -1;
339
340#if HAVE_FIEMAP
341 /* assume some c99 */
342 struct fiemap *fiemap = 0;
343 size_t end_offset;
344 int count = req->int3;
345
346 req->flags |= EIO_FLAG_PTR1_FREE;
347
348 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
349 /* increase in 3.5kb steps */
350 if (count < 0)
351 count = 8;
352
353 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
354 errno = ENOMEM;
355 if (!fiemap)
356 return;
357
358 req->ptr1 = fiemap;
359
360 fiemap->fm_start = req->offs;
361 fiemap->fm_length = req->size;
362 fiemap->fm_flags = req->int2;
363 fiemap->fm_extent_count = count;
364
365 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
366 return;
367
368 if (req->int3 >= 0 /* not autosizing */
369 || !fiemap->fm_mapped_extents /* no more extents */
370 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
371 goto done;
372
373 /* else we have to loop -
374 * it would be tempting (actually I tried that first) to just query the
375 * number of extents needed, but linux often feels like not returning all
376 * extents, without telling us it left any out. this complicates
377 * this quite a bit.
378 */
379
380 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
381
382 for (;;)
383 {
384 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
385 char scratch[3072];
386 struct fiemap *incmap = (struct fiemap *)scratch;
387
388 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
389 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
390 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
391 incmap->fm_flags = fiemap->fm_flags;
392 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
393
394 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
395 return;
396
397 if (!incmap->fm_mapped_extents)
398 goto done;
399
400 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
401 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
402 errno = ENOMEM;
403 if (!fiemap)
404 return;
405
406 req->ptr1 = fiemap;
407
408 for (count = 0; count < incmap->fm_mapped_extents; ++count)
409 {
410 struct fiemap_extent *e = incmap->fm_extents + count;
411
412 if (e->fe_logical + e->fe_length >= end_offset)
413 goto done;
414
415 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
416
417 if (e->fe_flags & FIEMAP_EXTENT_LAST)
418 goto done;
419
420 }
421 }
422
423done:
424 req->result = 0;
425
426#else
427 errno = ENOSYS;
428#endif
429}
430
431/*****************************************************************************/
432
433static int close_fd; /* dummy fd to close fds via dup2 */
434
435#if HAVE_STATX
436static struct statx stx;
437#define statx_offsetof(member) offsetof (struct statx, member)
438#define eio__statx statx
439#else
440#define statx_offsetof(member) 0
441#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
442#endif
219 443
220enum { 444enum {
221 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 445 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
222}; 446};
223 447
224#include "libeio/eio.c"
225
226typedef eio_req *aio_req; 448typedef eio_req *aio_req;
227typedef eio_req *aio_req_ornot; 449typedef eio_req *aio_req_ornot;
450typedef eio_wd aio_wd;
228 451
229static SV *on_next_submit; 452static SV *on_next_submit;
230static int next_pri = EIO_PRI_DEFAULT; 453static int next_pri = EIO_PRI_DEFAULT;
231static int max_outstanding; 454static int max_outstanding;
232 455
233static s_epipe respipe; 456static s_epipe respipe;
234 457
235static void req_destroy (aio_req req); 458static void req_destroy (aio_req req);
236static void req_cancel (aio_req req); 459static void req_cancel (aio_req req);
237 460
238static void want_poll (void) 461static void
462want_poll (void)
239{ 463{
240 /* write a dummy byte to the pipe so fh becomes ready */ 464 /* write a dummy byte to the pipe so fh becomes ready */
241 s_epipe_signal (&respipe); 465 s_epipe_signal (&respipe);
242} 466}
243 467
244static void done_poll (void) 468static void
469done_poll (void)
245{ 470{
246 /* read any signals sent by the worker threads */ 471 /* read any signals sent by the worker threads */
247 s_epipe_drain (&respipe); 472 s_epipe_drain (&respipe);
248} 473}
249 474
250/* must be called at most once */ 475/* must be called at most once */
476ecb_noinline
477static SV *
251static SV *req_sv (aio_req req, HV *stash) 478req_sv (aio_req req, HV *stash)
252{ 479{
253 if (!req->self) 480 if (!req->self)
254 { 481 {
255 req->self = (SV *)newHV (); 482 req->self = (SV *)newHV ();
256 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 483 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
257 } 484 }
258 485
259 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 486 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
260} 487}
261 488
262static aio_req SvAIO_REQ (SV *sv) 489static SV *
490newSVaio_wd (aio_wd wd)
491{
492 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
493}
494
495ecb_noinline
496static aio_req
497SvAIO_REQ (SV *sv)
263{ 498{
264 MAGIC *mg; 499 MAGIC *mg;
265 500
266 if (!SvROK (sv) 501 if (!SvROK (sv)
502 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
267 || (SvSTASH (SvRV (sv)) != aio_grp_stash 503 || (SvSTASH (SvRV (sv)) != aio_grp_stash
268 && SvSTASH (SvRV (sv)) != aio_req_stash 504 && SvSTASH (SvRV (sv)) != aio_req_stash
269 && !sv_derived_from (sv, "IO::AIO::REQ"))) 505 && !sv_derived_from (sv, "IO::AIO::REQ")))
270 croak ("object of class IO::AIO::REQ expected"); 506 croak ("object of class IO::AIO::REQ expected");
271 507
272 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 508 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
273 509
274 return mg ? (aio_req)mg->mg_ptr : 0; 510 return mg ? (aio_req)mg->mg_ptr : 0;
275} 511}
276 512
513static aio_wd
514SvAIO_WD (SV *sv)
515{
516 if (!SvROK (sv)
517 || SvTYPE (SvRV (sv)) != SVt_PVMG
518 || SvSTASH (SvRV (sv)) != aio_wd_stash)
519 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
520
521 return (aio_wd)(long)SvIVX (SvRV (sv));
522}
523
524static SV *
525newmortalFH (int fd, int flags)
526{
527 if (fd < 0)
528 return &PL_sv_undef;
529
530 GV *gv = (GV *)sv_newmortal ();
531 char sym[64];
532 int symlen;
533
534 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
535 gv_init (gv, aio_stash, sym, symlen, 0);
536
537 symlen = snprintf (
538 sym,
539 sizeof (sym),
540 "%s&=%d",
541 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
542 fd
543 );
544
545 return do_open (gv, sym, symlen, 0, 0, 0, 0)
546 ? (SV *)gv : &PL_sv_undef;
547}
548
549static void
277static void aio_grp_feed (aio_req grp) 550aio_grp_feed (aio_req grp)
278{ 551{
279 if (grp->sv2 && SvOK (grp->sv2)) 552 if (grp->sv2 && SvOK (grp->sv2))
280 { 553 {
281 dSP; 554 dSP;
282 555
… …
290 FREETMPS; 563 FREETMPS;
291 LEAVE; 564 LEAVE;
292 } 565 }
293} 566}
294 567
568ecb_noinline
569static void
295static void req_submit (eio_req *req) 570req_submit (eio_req *req)
296{ 571{
297 eio_submit (req); 572 eio_submit (req);
298 573
299 if (expect_false (on_next_submit)) 574 if (expect_false (on_next_submit))
300 { 575 {
… …
307 PUTBACK; 582 PUTBACK;
308 call_sv (cb, G_DISCARD | G_EVAL); 583 call_sv (cb, G_DISCARD | G_EVAL);
309 } 584 }
310} 585}
311 586
587static int
312static int req_invoke (eio_req *req) 588req_invoke (eio_req *req)
313{ 589{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 590 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 591 SvREADONLY_off (req->sv2);
318 592
319 if (!EIO_CANCELLED (req) && req->callback) 593 if (!EIO_CANCELLED (req) && req->callback)
320 { 594 {
595 dSP;
596 static SV *sv_result_cache; /* caches the result integer SV */
597 SV *sv_result;
598
321 ENTER; 599 ENTER;
322 SAVETMPS; 600 SAVETMPS;
323 PUSHMARK (SP); 601 PUSHMARK (SP);
324 EXTEND (SP, 1); 602 EXTEND (SP, 1);
325 603
604 /* do not recreate the result IV from scratch each time */
605 if (expect_true (sv_result_cache))
606 {
607 sv_result = sv_result_cache; sv_result_cache = 0;
608 SvIV_set (sv_result, req->result);
609 SvIOK_only (sv_result);
610 }
611 else
612 {
613 sv_result = newSViv (req->result);
614 SvREADONLY_on (sv_result);
615 }
616
326 switch (req->type) 617 switch (req->type)
327 { 618 {
619 case EIO_WD_OPEN:
620 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
621 break;
622
328 case EIO_READDIR: 623 case EIO_READDIR:
329 { 624 {
330 SV *rv = &PL_sv_undef; 625 SV *rv = &PL_sv_undef;
331 626
332 if (req->result >= 0) 627 if (req->result >= 0)
… …
385 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 680 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
386 } 681 }
387 break; 682 break;
388 683
389 case EIO_OPEN: 684 case EIO_OPEN:
390 { 685 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
391 /* convert fd to fh */
392 SV *fh = &PL_sv_undef;
393
394 if (req->result >= 0)
395 {
396 GV *gv = (GV *)sv_newmortal ();
397 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
398 char sym [64];
399 int symlen;
400
401 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
402 gv_init (gv, aio_stash, sym, symlen, 0);
403
404 symlen = snprintf (
405 sym,
406 sizeof (sym),
407 "%s&=%d",
408 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
409 (int)req->result
410 );
411
412 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
413 fh = (SV *)gv;
414 }
415
416 PUSHs (fh);
417 }
418 break; 686 break;
419 687
420 case EIO_STATVFS: 688 case EIO_STATVFS:
421 case EIO_FSTATVFS: 689 case EIO_FSTATVFS:
422 { 690 {
423 SV *rv = &PL_sv_undef; 691 SV *rv = &PL_sv_undef;
424 692
693#ifndef _WIN32
425 if (req->result >= 0) 694 if (req->result >= 0)
426 { 695 {
427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 696 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
428 HV *hv = newHV (); 697 HV *hv = newHV ();
698 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
699 * chooses to make it a struct.
700 */
701 unsigned long fsid = 0;
702 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
429 703
430 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 704 rv = sv_2mortal (newRV_noinc ((SV *)hv));
431 705
432 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 706 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
433 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 707 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
435 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 709 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
436 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 710 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
437 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 711 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
438 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 712 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
439 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 713 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
440 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 714 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
441 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 715 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
442 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 716 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
443 } 717 }
718#endif
444 719
445 PUSHs (rv); 720 PUSHs (rv);
446 } 721 }
447 722
448 break; 723 break;
… …
464 case EIO_NOP: 739 case EIO_NOP:
465 case EIO_BUSY: 740 case EIO_BUSY:
466 break; 741 break;
467 742
468 case EIO_READLINK: 743 case EIO_READLINK:
744 case EIO_REALPATH:
469 if (req->result > 0) 745 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 746 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 747 break;
472 748
473 case EIO_STAT: 749 case EIO_STAT:
474 case EIO_LSTAT: 750 case EIO_LSTAT:
475 case EIO_FSTAT: 751 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 752 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
753
477 PL_laststatval = req->result; 754 if (!(PL_laststatval = req->result))
755 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 756 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 PUSHs (sv_2mortal (newSViv (req->result))); 757
758 PUSHs (sv_result);
759 break;
760
761 case EIO_SEEK:
762 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
480 break; 763 break;
481 764
482 case EIO_READ: 765 case EIO_READ:
483 { 766 {
484 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 767 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485 *SvEND (req->sv2) = 0; 768 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 769 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 770 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 771 PUSHs (sv_result);
489 } 772 }
490 break; 773 break;
491 774
492 case EIO_DUP2: 775 case EIO_SLURP:
776 {
777 if (req->result >= 0)
778 {
779 /* if length was originally not known, we steal the malloc'ed memory */
780 if (req->flags & EIO_FLAG_PTR2_FREE)
781 {
782 req->flags &= ~EIO_FLAG_PTR2_FREE;
783 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
784 }
785 else
786 {
787 SvCUR_set (req->sv2, req->result);
788 *SvEND (req->sv2) = 0;
789 SvPOK_only (req->sv2);
790 }
791
792 SvSETMAGIC (req->sv2);
793 }
794
795 PUSHs (sv_result);
796 }
797 break;
798
799 case EIO_CUSTOM:
800 if (req->feed == fiemap)
801 {
802#if HAVE_FIEMAP
803 if (!req->result)
804 {
805 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
806
807 if (fiemap->fm_extent_count)
808 {
809 AV *av = newAV ();
810 int i;
811
812 while (fiemap->fm_mapped_extents)
813 {
814 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
815 AV *ext_av = newAV ();
816
817 av_store (ext_av, 3, newSVuv (extent->fe_flags));
818 av_store (ext_av, 2, newSVval64 (extent->fe_length));
819 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
820 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
821
822 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
823 }
824
825 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
826 }
827 else
828 {
829 SvIV_set (sv_result, fiemap->fm_mapped_extents);
830 PUSHs (sv_result);
831 }
832 }
833#endif
834 }
835 else
836 PUSHs (sv_result);
837 break;
838
839#if 0
840 case EIO_CLOSE:
841 PerlIOUnix_refcnt_dec (req->int1);
842 break;
843#endif
844
845 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493 if (req->result > 0) 846 if (req->result > 0)
494 req->result = 0; 847 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 848 /* FALLTHROUGH */
496 849
497 default: 850 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 851 PUSHs (sv_result);
499 break; 852 break;
500 } 853 }
501 854
502 errno = req->errorno; 855 errno = req->errorno;
503 856
504 PUTBACK; 857 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 858 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 SPAGAIN; 859 SPAGAIN;
507 860
861 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
862 SvREFCNT_dec (sv_result);
863 else
864 sv_result_cache = sv_result;
865
508 FREETMPS; 866 FREETMPS;
509 LEAVE; 867 LEAVE;
510 868
511 PUTBACK; 869 PUTBACK;
512 } 870 }
513 871
514 return !!SvTRUE (ERRSV); 872 return !!SvTRUE (ERRSV);
515} 873}
516 874
875static void
517static void req_destroy (aio_req req) 876req_destroy (aio_req req)
518{ 877{
519 if (req->self) 878 if (req->self)
520 { 879 {
521 sv_unmagic (req->self, PERL_MAGIC_ext); 880 sv_unmagic (req->self, PERL_MAGIC_ext);
522 SvREFCNT_dec (req->self); 881 SvREFCNT_dec (req->self);
523 } 882 }
524 883
525 SvREFCNT_dec (req->sv1); 884 SvREFCNT_dec (req->sv1);
526 SvREFCNT_dec (req->sv2); 885 SvREFCNT_dec (req->sv2);
886 SvREFCNT_dec (req->sv3);
887 SvREFCNT_dec (req->sv4);
527 SvREFCNT_dec (req->callback); 888 SvREFCNT_dec (req->callback);
528 889
529 Safefree (req); 890 free (req);
530} 891}
531 892
893static void
532static void req_cancel_subs (aio_req grp) 894req_cancel_subs (aio_req grp)
533{ 895{
534 aio_req sub;
535
536 if (grp->type != EIO_GROUP) 896 if (grp->type != EIO_GROUP)
537 return; 897 return;
538 898
539 SvREFCNT_dec (grp->sv2); 899 SvREFCNT_dec (grp->sv2);
540 grp->sv2 = 0; 900 grp->sv2 = 0;
541 901
542 eio_grp_cancel (grp); 902 eio_grp_cancel (grp);
543} 903}
544 904
905ecb_cold
545static void 906static void
546create_respipe (void) 907create_respipe (void)
547{ 908{
548 if (s_epipe_renew (&respipe)) 909 if (s_epipe_renew (&respipe))
549 croak ("IO::AIO: unable to initialize result pipe"); 910 croak ("IO::AIO: unable to initialize result pipe");
550} 911}
551 912
552static void poll_wait (void) 913static void
914poll_wait (void)
553{ 915{
554 while (eio_nreqs ()) 916 while (eio_nreqs ())
555 { 917 {
556 int size; 918 int size;
557 919
558 X_LOCK (reslock); 920 X_LOCK (EIO_POOL->reslock);
559 size = res_queue.size; 921 size = EIO_POOL->res_queue.size;
560 X_UNLOCK (reslock); 922 X_UNLOCK (EIO_POOL->reslock);
561 923
562 if (size) 924 if (size)
563 return; 925 return;
564 926
565 etp_maybe_start_thread (); 927 etp_maybe_start_thread (EIO_POOL);
566 928
567 s_epipe_wait (&respipe); 929 s_epipe_wait (&respipe);
568 } 930 }
569} 931}
570 932
571static int poll_cb (void) 933static int
934poll_cb (void)
572{ 935{
573 for (;;) 936 for (;;)
574 { 937 {
575 int res = eio_poll (); 938 int res = eio_poll ();
576 939
… …
582 945
583 poll_wait (); 946 poll_wait ();
584 } 947 }
585} 948}
586 949
587static void atfork_child (void) 950ecb_cold
951static void
952reinit (void)
588{ 953{
589 create_respipe (); 954 create_respipe ();
590}
591 955
592/*****************************************************************************/ 956 if (eio_init (want_poll, done_poll) < 0)
593 957 croak ("IO::AIO: unable to initialise eio library");
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612} 958}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617 959
618/*****************************************************************************/ 960/*****************************************************************************/
619 961
620static SV * 962static SV *
621get_cb (SV *cb_sv) 963get_cb (SV *cb_sv)
622{ 964{
623 SvGETMAGIC (cb_sv); 965 SvGETMAGIC (cb_sv);
624 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 966 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
625} 967}
626 968
969ecb_noinline
970static aio_req ecb_noinline
971dreq (SV *callback)
972{
973 SV *cb_cv;
974 aio_req req;
975 int req_pri = next_pri;
976 next_pri = EIO_PRI_DEFAULT;
977
978 cb_cv = get_cb (callback);
979
980 req = calloc (sizeof (*req), 1);
981 if (!req)
982 croak ("out of memory during eio_req allocation");
983
984 req->callback = SvREFCNT_inc (cb_cv);
985 req->pri = req_pri;
986
987 return req;
988}
989
627#define dREQ \ 990#define dREQ \
628 SV *cb_cv; \ 991 aio_req req = dreq (callback); \
629 aio_req req; \
630 int req_pri = next_pri; \
631 next_pri = EIO_PRI_DEFAULT; \
632 \
633 cb_cv = get_cb (callback); \
634 \
635 Newz (0, req, 1, eio_req); \
636 if (!req) \
637 croak ("out of memory during eio_req allocation"); \
638 \
639 req->callback = SvREFCNT_inc (cb_cv); \
640 req->pri = req_pri
641 992
642#define REQ_SEND \ 993#define REQ_SEND \
643 PUTBACK; \ 994 PUTBACK; \
644 req_submit (req); \ 995 req_submit (req); \
645 SPAGAIN; \ 996 SPAGAIN; \
646 \ 997 \
647 if (GIMME_V != G_VOID) \ 998 if (GIMME_V != G_VOID) \
648 XPUSHs (req_sv (req, aio_req_stash)); 999 XPUSHs (req_sv (req, aio_req_stash));
649 1000
1001/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1002ecb_inline
1003void
1004req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1005{
1006 if (expect_false (SvROK (path)))
1007 {
1008 SV *rv = SvRV (path);
1009 SV *wdob;
1010
1011 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1012 {
1013 path = AvARRAY (rv)[1];
1014 wdob = AvARRAY (rv)[0];
1015
1016 if (SvOK (wdob))
1017 {
1018 *wd = SvAIO_WD (wdob);
1019 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1020 }
1021 else
1022 *wd = EIO_INVALID_WD;
1023 }
1024 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1025 {
1026 *wd = (aio_wd)(long)SvIVX (rv);
1027 *wdsv = SvREFCNT_inc_NN (rv);
1028 *ptr = ".";
1029 return; /* path set to "." */
1030 }
1031 else
1032 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1033 }
1034
1035 *pathsv = newSVsv (path);
1036 *ptr = SvPVbyte_nolen (*pathsv);
1037}
1038
1039ecb_noinline
1040static void
1041req_set_path1 (aio_req req, SV *path)
1042{
1043 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1049{
1050 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1051
1052 switch (SvTYPE (rv))
1053 {
1054 case SVt_PVIO:
1055 case SVt_PVLV:
1056 case SVt_PVGV:
1057 req->type = type_fh;
1058 req->sv1 = newSVsv (fh_or_path);
1059 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1060 break;
1061
1062 default:
1063 req->type = type_path;
1064 req_set_path1 (req, fh_or_path);
1065 break;
1066 }
1067}
1068
1069/*****************************************************************************/
1070
1071static void
1072ts_set (struct timespec *ts, NV value)
1073{
1074 ts->tv_sec = value;
1075 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1076}
1077
1078static NV
1079ts_get (const struct timespec *ts)
1080{
1081 return ts->tv_sec + ts->tv_nsec * 1e-9;
1082}
1083
1084/*****************************************************************************/
1085
1086XS(boot_IO__AIO) ecb_cold;
1087
650MODULE = IO::AIO PACKAGE = IO::AIO 1088MODULE = IO::AIO PACKAGE = IO::AIO
651 1089
652PROTOTYPES: ENABLE 1090PROTOTYPES: ENABLE
653 1091
654BOOT: 1092BOOT:
… …
658 IV iv; 1096 IV iv;
659 } *civ, const_iv[] = { 1097 } *civ, const_iv[] = {
660# define const_niv(name, value) { # name, (IV) value }, 1098# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name }, 1099# define const_iv(name) { # name, (IV) name },
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 1100# define const_eio(name) { # name, (IV) EIO_ ## name },
1101
1102 /* you have to re-run ./gendef0 after adding/removing any constants here */
1103 /* the first block can be undef if missing */
1104 const_iv (ENOSYS)
663 const_iv (EXDEV) 1105 const_iv (EXDEV)
664 const_iv (ENOSYS) 1106 const_iv (EBADR)
665 const_iv (O_RDONLY) 1107
666 const_iv (O_WRONLY) 1108 /* for lseek */
667 const_iv (O_CREAT) 1109 const_iv (SEEK_DATA)
668 const_iv (O_TRUNC)
669#ifndef _WIN32
670 const_iv (S_IFIFO) 1110 const_iv (SEEK_HOLE)
671#endif 1111
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1112 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1113 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1114 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1115 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1116 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1117 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1118
1119 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1120 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1121 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1122 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1123 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1124
1125 /* the second block will be 0 when missing */
1126 const_iv (O_ACCMODE)
1127
1128 const_iv (O_RDONLY)
1129 const_iv (O_WRONLY)
1130 const_iv (O_RDWR)
1131 const_iv (O_CREAT)
1132 const_iv (O_TRUNC)
1133 const_iv (O_EXCL)
1134 const_iv (O_APPEND)
1135
1136 const_iv (O_ASYNC)
1137 const_iv (O_DIRECT)
1138 const_iv (O_NOATIME)
1139
1140 const_iv (O_CLOEXEC)
1141 const_iv (O_NOCTTY)
1142 const_iv (O_NOFOLLOW)
1143 const_iv (O_NONBLOCK)
1144 const_iv (O_EXEC)
1145 const_iv (O_SEARCH)
1146 const_iv (O_DIRECTORY)
1147 const_iv (O_DSYNC)
1148 const_iv (O_RSYNC)
1149 const_iv (O_SYNC)
1150 const_iv (O_PATH)
1151 const_iv (O_TMPFILE)
1152 const_iv (O_TTY_INIT)
1153
1154 const_iv (S_IFIFO)
1155 const_iv (S_IFCHR)
1156 const_iv (S_IFBLK)
1157 const_iv (S_IFLNK)
1158 const_iv (S_IFREG)
1159 const_iv (S_IFDIR)
1160 const_iv (S_IFWHT)
1161 const_iv (S_IFSOCK)
1162 const_iv (S_IFMT)
678 1163
679 const_iv (ST_RDONLY) 1164 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 1165 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 1166 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 1167 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 1172 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 1173 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 1174 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 1175 const_iv (ST_RELATIME)
691 1176
1177 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 1178 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 1179 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 1180 const_iv (PROT_WRITE)
696 1181
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 1182 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED) 1183 const_iv (MAP_SHARED)
1184 const_iv (MAP_FIXED)
700 const_iv (MAP_ANONYMOUS) 1185 const_iv (MAP_ANONYMOUS)
701 1186
702 /* linuxish */ 1187 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED) 1188 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 1189 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 1190 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 1191 const_iv (MAP_NONBLOCK)
1192 const_iv (MAP_GROWSDOWN)
1193 const_iv (MAP_32BIT)
1194 const_iv (MAP_HUGETLB)
1195 const_iv (MAP_STACK)
708 1196
1197 const_iv (MREMAP_MAYMOVE)
1198 const_iv (MREMAP_FIXED)
1199
1200 const_iv (MSG_CMSG_CLOEXEC)
1201 const_iv (SOCK_CLOEXEC)
1202
1203 const_iv (F_DUPFD_CLOEXEC)
1204
1205 const_iv (F_ADD_SEALS)
1206 const_iv (F_GET_SEALS)
1207 const_iv (F_SEAL_SEAL)
1208 const_iv (F_SEAL_SHRINK)
1209 const_iv (F_SEAL_GROW)
1210 const_iv (F_SEAL_WRITE)
1211
1212 const_iv (F_OFD_GETLK)
1213 const_iv (F_OFD_SETLK)
1214 const_iv (F_OFD_GETLKW)
1215
1216 const_iv (FIFREEZE)
1217 const_iv (FITHAW)
1218 const_iv (FITRIM)
1219 const_iv (FICLONE)
1220 const_iv (FICLONERANGE)
1221 const_iv (FIDEDUPERANGE)
1222
1223 const_iv (FS_IOC_GETFLAGS)
1224 const_iv (FS_IOC_SETFLAGS)
1225 const_iv (FS_IOC_GETVERSION)
1226 const_iv (FS_IOC_SETVERSION)
1227 const_iv (FS_IOC_FIEMAP)
1228 const_iv (FS_IOC_FSGETXATTR)
1229 const_iv (FS_IOC_FSSETXATTR)
1230 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1231 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1232 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1233
1234 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1235
1236 const_iv (FS_SECRM_FL)
1237 const_iv (FS_UNRM_FL)
1238 const_iv (FS_COMPR_FL)
1239 const_iv (FS_SYNC_FL)
1240 const_iv (FS_IMMUTABLE_FL)
1241 const_iv (FS_APPEND_FL)
1242 const_iv (FS_NODUMP_FL)
1243 const_iv (FS_NOATIME_FL)
1244 const_iv (FS_DIRTY_FL)
1245 const_iv (FS_COMPRBLK_FL)
1246 const_iv (FS_NOCOMP_FL)
1247 const_iv (FS_ENCRYPT_FL)
1248 const_iv (FS_BTREE_FL)
1249 const_iv (FS_INDEX_FL)
1250 const_iv (FS_JOURNAL_DATA_FL)
1251 const_iv (FS_NOTAIL_FL)
1252 const_iv (FS_DIRSYNC_FL)
1253 const_iv (FS_TOPDIR_FL)
1254 const_iv (FS_FL_USER_MODIFIABLE)
1255
1256 const_iv (FS_XFLAG_REALTIME)
1257 const_iv (FS_XFLAG_PREALLOC)
1258 const_iv (FS_XFLAG_IMMUTABLE)
1259 const_iv (FS_XFLAG_APPEND)
1260 const_iv (FS_XFLAG_SYNC)
1261 const_iv (FS_XFLAG_NOATIME)
1262 const_iv (FS_XFLAG_NODUMP)
1263 const_iv (FS_XFLAG_RTINHERIT)
1264 const_iv (FS_XFLAG_PROJINHERIT)
1265 const_iv (FS_XFLAG_NOSYMLINKS)
1266 const_iv (FS_XFLAG_EXTSIZE)
1267 const_iv (FS_XFLAG_EXTSZINHERIT)
1268 const_iv (FS_XFLAG_NODEFRAG)
1269 const_iv (FS_XFLAG_FILESTREAM)
1270 const_iv (FS_XFLAG_DAX)
1271 const_iv (FS_XFLAG_HASATTR)
1272
1273 const_iv (FIEMAP_FLAG_SYNC)
1274 const_iv (FIEMAP_FLAG_XATTR)
1275 const_iv (FIEMAP_FLAGS_COMPAT)
1276 const_iv (FIEMAP_EXTENT_LAST)
1277 const_iv (FIEMAP_EXTENT_UNKNOWN)
1278 const_iv (FIEMAP_EXTENT_DELALLOC)
1279 const_iv (FIEMAP_EXTENT_ENCODED)
1280 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1281 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1282 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1283 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1284 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1285 const_iv (FIEMAP_EXTENT_MERGED)
1286 const_iv (FIEMAP_EXTENT_SHARED)
1287
1288 const_iv (SPLICE_F_MOVE)
1289 const_iv (SPLICE_F_NONBLOCK)
1290 const_iv (SPLICE_F_MORE)
1291 const_iv (SPLICE_F_GIFT)
1292
1293 const_iv (EFD_CLOEXEC)
1294 const_iv (EFD_NONBLOCK)
1295 const_iv (EFD_SEMAPHORE)
1296
1297 const_iv (MFD_CLOEXEC)
1298 const_iv (MFD_ALLOW_SEALING)
1299 const_iv (MFD_HUGETLB)
1300
1301 const_iv (CLOCK_REALTIME)
1302 const_iv (CLOCK_MONOTONIC)
1303 const_iv (CLOCK_BOOTTIME)
1304 const_iv (CLOCK_REALTIME_ALARM)
1305 const_iv (CLOCK_BOOTTIME_ALARM)
1306
1307 const_iv (TFD_NONBLOCK)
1308 const_iv (TFD_CLOEXEC)
1309
1310 const_iv (TFD_TIMER_ABSTIME)
1311 const_iv (TFD_TIMER_CANCEL_ON_SET)
1312
1313 const_iv (STATX_TYPE)
1314 const_iv (STATX_MODE)
1315 const_iv (STATX_NLINK)
1316 const_iv (STATX_UID)
1317 const_iv (STATX_GID)
1318 const_iv (STATX_ATIME)
1319 const_iv (STATX_MTIME)
1320 const_iv (STATX_CTIME)
1321 const_iv (STATX_INO)
1322 const_iv (STATX_SIZE)
1323 const_iv (STATX_BLOCKS)
1324 const_iv (STATX_BASIC_STATS)
1325 const_iv (STATX_ALL)
1326 const_iv (STATX_BTIME)
1327 const_iv (STATX_ATTR_COMPRESSED)
1328 const_iv (STATX_ATTR_IMMUTABLE)
1329 const_iv (STATX_ATTR_APPEND)
1330 const_iv (STATX_ATTR_NODUMP)
1331 const_iv (STATX_ATTR_ENCRYPTED)
1332 const_iv (STATX_ATTR_AUTOMOUNT)
1333
1334 /* these are libeio constants, and are independent of gendef0 */
1335 const_eio (SEEK_SET)
1336 const_eio (SEEK_CUR)
1337 const_eio (SEEK_END)
1338
709 const_iv (MCL_FUTURE) 1339 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 1340 const_eio (MCL_CURRENT)
1341 const_eio (MCL_ONFAULT)
711 1342
712 const_eio (MS_ASYNC) 1343 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 1344 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 1345 const_eio (MS_SYNC)
715 1346
716 const_eio (MT_MODIFY) 1347 const_eio (MT_MODIFY)
717 1348
718 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1349 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
719 const_eio (SYNC_FILE_RANGE_WRITE) 1350 const_eio (SYNC_FILE_RANGE_WRITE)
720 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1351 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1352
1353 const_eio (FALLOC_FL_KEEP_SIZE)
1354 const_eio (FALLOC_FL_PUNCH_HOLE)
1355 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1356 const_eio (FALLOC_FL_ZERO_RANGE)
1357 const_eio (FALLOC_FL_INSERT_RANGE)
1358 const_eio (FALLOC_FL_UNSHARE_RANGE)
1359
1360 const_eio (RENAME_NOREPLACE)
1361 const_eio (RENAME_EXCHANGE)
1362 const_eio (RENAME_WHITEOUT)
721 1363
722 const_eio (READDIR_DENTS) 1364 const_eio (READDIR_DENTS)
723 const_eio (READDIR_DIRS_FIRST) 1365 const_eio (READDIR_DIRS_FIRST)
724 const_eio (READDIR_STAT_ORDER) 1366 const_eio (READDIR_STAT_ORDER)
725 const_eio (READDIR_FOUND_UNKNOWN) 1367 const_eio (READDIR_FOUND_UNKNOWN)
… …
736 }; 1378 };
737 1379
738 aio_stash = gv_stashpv ("IO::AIO" , 1); 1380 aio_stash = gv_stashpv ("IO::AIO" , 1);
739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1381 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1382 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1383 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
741 1384
742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1385 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1386 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
744 1387
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1388 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
746 1389
747 create_respipe (); 1390 /* allocate dummy pipe fd for aio_close */
1391 {
1392 int pipefd [2];
748 1393
749 if (eio_init (want_poll, done_poll) < 0) 1394 if (
750 croak ("IO::AIO: unable to initialise eio library"); 1395#ifdef _WIN32
1396 _pipe (pipefd, 1, _O_BINARY) < 0
1397#else
1398 pipe (pipefd) < 0
1399 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1400#endif
1401 || close (pipefd [1]) < 0
1402 )
1403 croak ("IO::AIO: unable to create dummy pipe for aio_close");
751 1404
752 /* atfork child called in fifo order, so before eio's handler */ 1405 close_fd = pipefd [0];
753 X_THREAD_ATFORK (0, 0, atfork_child); 1406 }
754}
755 1407
1408 reinit ();
1409}
1410
756void 1411void
1412reinit ()
1413 PROTOTYPE:
1414
1415void
757max_poll_reqs (int nreqs) 1416max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 1417 PROTOTYPE: $
759 CODE: 1418 CODE:
760 eio_set_max_poll_reqs (nreqs); 1419 eio_set_max_poll_reqs (nreqs);
761 1420
762void 1421void
… …
764 PROTOTYPE: $ 1423 PROTOTYPE: $
765 CODE: 1424 CODE:
766 eio_set_max_poll_time (nseconds); 1425 eio_set_max_poll_time (nseconds);
767 1426
768void 1427void
769min_parallel (int nthreads) 1428min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 1429 PROTOTYPE: $
771 CODE: 1430 CODE:
772 eio_set_min_parallel (nthreads); 1431 eio_set_min_parallel (nthreads);
773 1432
774void 1433void
775max_parallel (int nthreads) 1434max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 1435 PROTOTYPE: $
777 CODE: 1436 CODE:
778 eio_set_max_parallel (nthreads); 1437 eio_set_max_parallel (nthreads);
779 1438
780void 1439void
781max_idle (int nthreads) 1440max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 1441 PROTOTYPE: $
783 CODE: 1442 CODE:
784 eio_set_max_idle (nthreads); 1443 eio_set_max_idle (nthreads);
785 1444
786void 1445void
1446idle_timeout (unsigned int seconds)
1447 PROTOTYPE: $
1448 CODE:
1449 eio_set_idle_timeout (seconds);
1450
1451void
787max_outstanding (int maxreqs) 1452max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 1453 PROTOTYPE: $
789 CODE: 1454 CODE:
790 max_outstanding = maxreqs; 1455 max_outstanding = maxreqs;
791 1456
792void 1457void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1458aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 1459 PPCODE:
796{ 1460{
797 dREQ; 1461 dREQ;
798 1462
1463 req->type = EIO_WD_OPEN;
1464 req_set_path1 (req, pathname);
1465
1466 REQ_SEND;
1467}
1468
1469void
1470aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1471 PPCODE:
1472{
1473 dREQ;
1474
799 req->type = EIO_OPEN; 1475 req->type = EIO_OPEN;
800 req->sv1 = newSVsv (pathname); 1476 req_set_path1 (req, pathname);
801 req->ptr1 = SvPVbyte_nolen (req->sv1);
802 req->int1 = flags; 1477 req->int1 = flags;
803 req->int2 = mode; 1478 req->int2 = mode;
804 1479
805 REQ_SEND; 1480 REQ_SEND;
806} 1481}
807 1482
808void 1483void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1484aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 1485 ALIAS:
812 aio_fsync = EIO_FSYNC 1486 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 1487 aio_fdatasync = EIO_FDATASYNC
1488 aio_syncfs = EIO_SYNCFS
814 PPCODE: 1489 PPCODE:
815{ 1490{
816 int fd = s_fileno_croak (fh, 0); 1491 int fd = s_fileno_croak (fh, 0);
817 dREQ; 1492 dREQ;
818 1493
819 req->type = ix; 1494 req->type = ix;
820 req->sv1 = newSVsv (fh); 1495 req->sv1 = newSVsv (fh);
821 req->int1 = fd; 1496 req->int1 = fd;
822 1497
823 REQ_SEND (req); 1498 REQ_SEND;
824} 1499}
825 1500
826void 1501void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1502aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1503 PPCODE:
830{ 1504{
831 int fd = s_fileno_croak (fh, 0); 1505 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1506 dREQ;
833 1507
834 req->type = EIO_SYNC_FILE_RANGE; 1508 req->type = EIO_SYNC_FILE_RANGE;
835 req->sv1 = newSVsv (fh); 1509 req->sv1 = newSVsv (fh);
836 req->int1 = fd; 1510 req->int1 = fd;
837 req->offs = offset; 1511 req->offs = offset;
838 req->size = nbytes; 1512 req->size = nbytes;
839 req->int2 = flags; 1513 req->int2 = flags;
840 1514
841 REQ_SEND (req); 1515 REQ_SEND;
842} 1516}
843 1517
844void 1518void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1519aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1520 PPCODE:
848{ 1521{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1522 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1523 dREQ;
852 1524
853 if (close_pipe < 0) 1525 req->type = EIO_FALLOCATE;
1526 req->sv1 = newSVsv (fh);
1527 req->int1 = fd;
1528 req->int2 = mode;
1529 req->offs = offset;
1530 req->size = len;
1531
1532 REQ_SEND;
1533}
1534
1535void
1536aio_close (SV *fh, SV *callback = &PL_sv_undef)
1537 PPCODE:
1538{
1539 int fd = s_fileno_croak (fh, 0);
1540 dREQ;
1541#if 0
1542 /* partially duplicate logic in s_fileno */
1543 SvGETMAGIC (fh);
1544
1545 if (SvROK (fh))
1546 {
1547 fh = SvRV (fh);
1548 SvGETMAGIC (fh);
1549 }
1550
1551 if (SvTYPE (fh) == SVt_PVGV)
854 { 1552 {
855 int pipefd [2]; 1553 /* perl filehandle */
1554 PerlIOUnix_refcnt_inc (fd);
1555 do_close ((GV *)fh, 1);
856 1556
857 if (pipe (pipefd) < 0 1557 req->type = EIO_CLOSE;
858 || close (pipefd [1]) < 0 1558 req->int1 = fd;
859 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1559 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
860 abort (); /*D*/
861
862 close_pipe = pipefd [0];
863 } 1560 }
864 1561 else
1562#endif
1563 {
1564 /* fd number */
865 req->type = EIO_DUP2; 1565 req->type = EIO_DUP2;
866 req->int1 = close_pipe; 1566 req->int1 = close_fd;
1567 req->sv2 = newSVsv (fh);
1568 req->int2 = fd;
1569 }
1570
1571 REQ_SEND;
1572}
1573
1574void
1575aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1576 PPCODE:
1577{
1578 int fd = s_fileno_croak (fh, 0);
1579 dREQ;
1580
1581 req->type = EIO_SEEK;
867 req->sv2 = newSVsv (fh); 1582 req->sv1 = newSVsv (fh);
868 req->int2 = fd; 1583 req->int1 = fd;
1584 req->offs = SvVAL64 (offset);
1585 req->int2 = whence;
869 1586
870 REQ_SEND (req); 1587 REQ_SEND;
871} 1588}
872 1589
873void 1590void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1591aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
875 ALIAS: 1592 ALIAS:
876 aio_read = EIO_READ 1593 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1594 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1595 PPCODE:
880{ 1596{
881 STRLEN svlen; 1597 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1598 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1599 char *svptr = SvPVbyte (data, svlen);
… …
896 len = svlen - dataoffset; 1612 len = svlen - dataoffset;
897 } 1613 }
898 else 1614 else
899 { 1615 {
900 /* read: check type and grow scalar as necessary */ 1616 /* read: check type and grow scalar as necessary */
901 SvUPGRADE (data, SVt_PV); 1617 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
902 svptr = SvGROW (data, len + dataoffset + 1); 1618 svptr = sv_grow (data, len + dataoffset + 1);
1619 else if (SvCUR (data) < len + dataoffset)
1620 croak ("length + dataoffset outside of scalar, and cannot grow");
903 } 1621 }
904 1622
905 { 1623 {
906 dREQ; 1624 dREQ;
907 1625
… …
923 REQ_SEND; 1641 REQ_SEND;
924 } 1642 }
925} 1643}
926 1644
927void 1645void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1646aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
929 PROTOTYPE: $$;$ 1647 ALIAS:
1648 aio_ioctl = EIO_IOCTL
1649 aio_fcntl = EIO_FCNTL
930 PPCODE: 1650 PPCODE:
931{ 1651{
932 SV *data; 1652 int fd = s_fileno_croak (fh, 0);
1653 char *svptr;
1654
1655 if (SvPOK (arg) || !SvNIOK (arg))
1656 {
1657 STRLEN svlen;
1658 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1659#ifdef IOCPARM_LEN
1660 STRLEN need = IOCPARM_LEN (request);
1661#else
1662 STRLEN need = 256;
1663#endif
1664
1665 if (svlen < need)
1666 svptr = SvGROW (arg, need);
1667 }
1668 else
1669 svptr = (char *)SvIV (arg);
1670
1671 {
1672 dREQ;
1673
1674 req->type = ix;
1675 req->sv1 = newSVsv (fh);
1676 req->int1 = fd;
1677 req->int2 = (long)request;
1678 req->sv2 = SvREFCNT_inc (arg);
1679 req->ptr2 = svptr;
1680
1681 REQ_SEND;
1682 }
1683}
1684
1685void
1686aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1687 ALIAS:
1688 aio_readlink = EIO_READLINK
1689 aio_realpath = EIO_REALPATH
1690 PPCODE:
1691{
933 dREQ; 1692 dREQ;
934 1693
935 req->type = EIO_READLINK; 1694 req->type = ix;
936 req->sv1 = newSVsv (path); 1695 req_set_path1 (req, pathname);
937 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1696
939 REQ_SEND; 1697 REQ_SEND;
940} 1698}
941 1699
942void 1700void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1701aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1702 PPCODE:
946{ 1703{
947 int ifd = s_fileno_croak (in_fh , 0); 1704 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1705 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1706 dREQ;
950 1707
951 req->type = EIO_SENDFILE; 1708 req->type = EIO_SENDFILE;
952 req->sv1 = newSVsv (out_fh); 1709 req->sv1 = newSVsv (out_fh);
953 req->int1 = ofd; 1710 req->int1 = ofd;
… …
958 1715
959 REQ_SEND; 1716 REQ_SEND;
960} 1717}
961 1718
962void 1719void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1720aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1721 PPCODE:
966{ 1722{
967 int fd = s_fileno_croak (fh, 0); 1723 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1724 dREQ;
969 1725
970 req->type = EIO_READAHEAD; 1726 req->type = EIO_READAHEAD;
971 req->sv1 = newSVsv (fh); 1727 req->sv1 = newSVsv (fh);
972 req->int1 = fd; 1728 req->int1 = fd;
… …
975 1731
976 REQ_SEND; 1732 REQ_SEND;
977} 1733}
978 1734
979void 1735void
980aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1736aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
981 ALIAS: 1737 ALIAS:
982 aio_stat = EIO_STAT 1738 aio_stat = EIO_STAT
983 aio_lstat = EIO_LSTAT 1739 aio_lstat = EIO_LSTAT
984 aio_statvfs = EIO_STATVFS 1740 aio_statvfs = EIO_STATVFS
985 PPCODE: 1741 PPCODE:
986{ 1742{
987 dREQ; 1743 dREQ;
988 1744
989 req->sv1 = newSVsv (fh_or_path); 1745 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
990
991 if (SvPOK (req->sv1))
992 {
993 req->type = ix;
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 }
996 else
997 {
998 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
999 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1000 }
1001 1746
1002 REQ_SEND; 1747 REQ_SEND;
1003} 1748}
1004 1749
1005void 1750void
1751st_xtime ()
1752 ALIAS:
1753 st_atime = 0x01
1754 st_mtime = 0x02
1755 st_ctime = 0x04
1756 st_btime = 0x08
1757 st_xtime = 0x0f
1758 PPCODE:
1759 EXTEND (SP, 4);
1760 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1761 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1762 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1763 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1764
1765void
1766st_xtimensec ()
1767 ALIAS:
1768 st_atimensec = 0x01
1769 st_mtimensec = 0x02
1770 st_ctimensec = 0x04
1771 st_btimensec = 0x08
1772 st_xtimensec = 0x0f
1773 st_btimesec = 0x10
1774 st_gen = 0x20
1775 PPCODE:
1776 EXTEND (SP, 4);
1777 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1778 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1779 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1780 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1781 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1782 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1783
1784UV
1785major (UV dev)
1786 ALIAS:
1787 minor = 1
1788 CODE:
1789 RETVAL = ix ? minor (dev) : major (dev);
1790 OUTPUT:
1791 RETVAL
1792
1793UV
1794makedev (UV maj, UV min)
1795 CODE:
1796 RETVAL = makedev (maj, min);
1797 OUTPUT:
1798 RETVAL
1799
1800void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1801aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1007 PPCODE: 1802 PPCODE:
1008{ 1803{
1009 dREQ; 1804 dREQ;
1010 1805
1011 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1806 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1012 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1807 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1013 req->sv1 = newSVsv (fh_or_path); 1808 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1014
1015 if (SvPOK (req->sv1))
1016 {
1017 req->type = EIO_UTIME;
1018 req->ptr1 = SvPVbyte_nolen (req->sv1);
1019 }
1020 else
1021 {
1022 req->type = EIO_FUTIME;
1023 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1024 }
1025 1809
1026 REQ_SEND; 1810 REQ_SEND;
1027} 1811}
1028 1812
1029void 1813void
1030aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1814aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1031 PPCODE: 1815 PPCODE:
1032{ 1816{
1033 dREQ; 1817 dREQ;
1034 1818
1035 req->sv1 = newSVsv (fh_or_path);
1036 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1819 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1037 1820 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1038 if (SvPOK (req->sv1))
1039 {
1040 req->type = EIO_TRUNCATE;
1041 req->ptr1 = SvPVbyte_nolen (req->sv1);
1042 }
1043 else
1044 {
1045 req->type = EIO_FTRUNCATE;
1046 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1047 }
1048 1821
1049 REQ_SEND; 1822 REQ_SEND;
1050} 1823}
1051 1824
1052void 1825void
1053aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1826aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1054 ALIAS:
1055 aio_chmod = EIO_CHMOD
1056 aio_mkdir = EIO_MKDIR
1057 PPCODE: 1827 PPCODE:
1058{ 1828{
1059 dREQ; 1829 dREQ;
1060 1830
1061 req->int2 = mode; 1831 req->int2 = mode;
1062 req->sv1 = newSVsv (fh_or_path); 1832 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1063
1064 if (SvPOK (req->sv1))
1065 {
1066 req->type = ix;
1067 req->ptr1 = SvPVbyte_nolen (req->sv1);
1068 }
1069 else
1070 {
1071 req->type = EIO_FCHMOD;
1072 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1073 }
1074 1833
1075 REQ_SEND; 1834 REQ_SEND;
1076} 1835}
1077 1836
1078void 1837void
1079aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1838aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1080 PPCODE: 1839 PPCODE:
1081{ 1840{
1082 dREQ; 1841 dREQ;
1083 1842
1084 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1843 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1085 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1844 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1086 req->sv1 = newSVsv (fh_or_path); 1845 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1087
1088 if (SvPOK (req->sv1))
1089 {
1090 req->type = EIO_CHOWN;
1091 req->ptr1 = SvPVbyte_nolen (req->sv1);
1092 }
1093 else
1094 {
1095 req->type = EIO_FCHOWN;
1096 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1097 }
1098 1846
1099 REQ_SEND; 1847 REQ_SEND;
1100} 1848}
1101 1849
1102void 1850void
1103aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1851aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1104 PPCODE: 1852 PPCODE:
1105{ 1853{
1106 dREQ; 1854 dREQ;
1107 1855
1108 req->type = EIO_READDIR; 1856 req->type = EIO_READDIR;
1109 req->sv1 = newSVsv (pathname);
1110 req->ptr1 = SvPVbyte_nolen (req->sv1);
1111 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1857 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1112 1858
1113 if (flags & EIO_READDIR_DENTS) 1859 if (flags & EIO_READDIR_DENTS)
1114 req->int1 |= EIO_READDIR_CUSTOM2; 1860 req->int1 |= EIO_READDIR_CUSTOM2;
1115 1861
1862 req_set_path1 (req, pathname);
1863
1116 REQ_SEND; 1864 REQ_SEND;
1117} 1865}
1118 1866
1119void 1867void
1868aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1869 PPCODE:
1870{
1871 dREQ;
1872
1873 req->type = EIO_MKDIR;
1874 req->int2 = mode;
1875 req_set_path1 (req, pathname);
1876
1877 REQ_SEND;
1878}
1879
1880void
1120aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1881aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1121 ALIAS: 1882 ALIAS:
1122 aio_unlink = EIO_UNLINK 1883 aio_unlink = EIO_UNLINK
1123 aio_rmdir = EIO_RMDIR 1884 aio_rmdir = EIO_RMDIR
1124 aio_readdir = EIO_READDIR 1885 aio_readdir = EIO_READDIR
1125 PPCODE: 1886 PPCODE:
1126{ 1887{
1127 dREQ; 1888 dREQ;
1128 1889
1129 req->type = ix; 1890 req->type = ix;
1130 req->sv1 = newSVsv (pathname); 1891 req_set_path1 (req, pathname);
1131 req->ptr1 = SvPVbyte_nolen (req->sv1);
1132 1892
1133 REQ_SEND; 1893 REQ_SEND;
1134} 1894}
1135 1895
1136void 1896void
1137aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1897aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1138 ALIAS: 1898 ALIAS:
1139 aio_link = EIO_LINK 1899 aio_link = EIO_LINK
1140 aio_symlink = EIO_SYMLINK 1900 aio_symlink = EIO_SYMLINK
1141 aio_rename = EIO_RENAME 1901 aio_rename = EIO_RENAME
1142 PPCODE: 1902 PPCODE:
1143{ 1903{
1904 eio_wd wd2 = 0;
1144 dREQ; 1905 dREQ;
1145 1906
1146 req->type = ix; 1907 req->type = ix;
1147 req->sv1 = newSVsv (oldpath); 1908 req_set_path1 (req, oldpath);
1148 req->ptr1 = SvPVbyte_nolen (req->sv1); 1909 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1149 req->sv2 = newSVsv (newpath); 1910 req->int3 = (long)wd2;
1150 req->ptr2 = SvPVbyte_nolen (req->sv2);
1151 1911
1152 REQ_SEND; 1912 REQ_SEND;
1153} 1913}
1154 1914
1155void 1915void
1916aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1917 PPCODE:
1918{
1919 eio_wd wd2 = 0;
1920 dREQ;
1921
1922 req->type = EIO_RENAME;
1923 req_set_path1 (req, oldpath);
1924 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1925 req->int2 = flags;
1926 req->int3 = (long)wd2;
1927
1928 REQ_SEND;
1929}
1930
1931void
1156aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1932aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1157 PPCODE: 1933 PPCODE:
1158{ 1934{
1159 dREQ; 1935 dREQ;
1160 1936
1161 req->type = EIO_MKNOD; 1937 req->type = EIO_MKNOD;
1162 req->sv1 = newSVsv (pathname);
1163 req->ptr1 = SvPVbyte_nolen (req->sv1);
1164 req->int2 = (mode_t)mode; 1938 req->int2 = (mode_t)mode;
1165 req->offs = dev; 1939 req->offs = dev;
1940 req_set_path1 (req, pathname);
1166 1941
1167 REQ_SEND; 1942 REQ_SEND;
1168} 1943}
1169 1944
1170void 1945void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1946aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1172 ALIAS: 1947 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1948 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1949 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1950 PPCODE:
1177{ 1951{
1178 STRLEN svlen; 1952 STRLEN svlen;
1953 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1954 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen); 1955
1956 if (flags < 0)
1957 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1181 1958
1182 if (offset < 0) 1959 if (offset < 0)
1183 offset += svlen; 1960 offset += svlen;
1184 1961
1185 if (offset < 0 || offset > svlen) 1962 if (offset < 0 || offset > svlen)
… …
1190 1967
1191 { 1968 {
1192 dREQ; 1969 dREQ;
1193 1970
1194 req->type = ix; 1971 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1972 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1973 req->ptr2 = (char *)svptr + offset;
1974 req->size = len;
1198 req->int1 = flags; 1975 req->int1 = flags;
1199 1976
1200 REQ_SEND; 1977 REQ_SEND;
1201 } 1978 }
1202} 1979}
1203 1980
1204void 1981void
1982aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1983 PPCODE:
1984{
1985 STRLEN svlen;
1986 char *svptr = SvPVbyte (data, svlen);
1987 UV len = SvUV (length);
1988
1989 if (offset < 0)
1990 offset += svlen;
1991
1992 if (offset < 0 || offset > svlen)
1993 croak ("offset outside of scalar");
1994
1995 if (!SvOK (length) || len + offset > svlen)
1996 len = svlen - offset;
1997
1998 {
1999 dREQ;
2000
2001 req->type = EIO_MLOCK;
2002 req->sv2 = SvREFCNT_inc (data);
2003 req->ptr2 = (char *)svptr + offset;
2004 req->size = len;
2005
2006 REQ_SEND;
2007 }
2008}
2009
2010void
2011aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2012 PPCODE:
2013{
2014 dREQ;
2015
2016 req->type = EIO_MLOCKALL;
2017 req->int1 = flags;
2018
2019 REQ_SEND;
2020}
2021
2022void
2023aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2024 PPCODE:
2025{
2026 int fd = s_fileno_croak (fh, 0);
2027 dREQ;
2028
2029 req->type = EIO_CUSTOM;
2030 req->sv1 = newSVsv (fh);
2031 req->int1 = fd;
2032
2033 req->feed = fiemap;
2034#if HAVE_FIEMAP
2035 /* keep our fingers crossed that the next two types are 64 bit */
2036 req->offs = start;
2037 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2038 req->int2 = flags;
2039 req->int3 = SvOK (count) ? SvIV (count) : -1;
2040#endif
2041
2042 REQ_SEND;
2043}
2044
2045void
2046aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2047 PPCODE:
2048{
2049 char *svptr = 0;
2050
2051 sv_clear_foreign (data);
2052
2053 if (length) /* known length, directly read into scalar */
2054 {
2055 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2056 svptr = sv_grow (data, length + 1);
2057 else if (SvCUR (data) < length)
2058 croak ("length outside of scalar, and cannot grow");
2059 else
2060 svptr = SvPVbyte_nolen (data);
2061 }
2062
2063 {
2064 dREQ;
2065
2066 req->type = EIO_SLURP;
2067 req_set_path1 (req, pathname);
2068 req->offs = offset;
2069 req->size = length;
2070 req->sv2 = SvREFCNT_inc (data);
2071 req->ptr2 = svptr;
2072
2073 if (!SvREADONLY (data))
2074 {
2075 SvREADONLY_on (data);
2076 req->flags |= FLAG_SV2_RO_OFF;
2077 }
2078
2079 REQ_SEND;
2080 }
2081}
2082
2083void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 2084aio_busy (double delay, SV *callback = &PL_sv_undef)
1206 PPCODE: 2085 PPCODE:
1207{ 2086{
1208 dREQ; 2087 dREQ;
1209 2088
1210 req->type = EIO_BUSY; 2089 req->type = EIO_BUSY;
… …
1212 2091
1213 REQ_SEND; 2092 REQ_SEND;
1214} 2093}
1215 2094
1216void 2095void
1217aio_group (SV *callback=&PL_sv_undef) 2096aio_group (SV *callback = &PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 2097 PPCODE:
1220{ 2098{
1221 dREQ; 2099 dREQ;
1222 2100
1223 req->type = EIO_GROUP; 2101 req->type = EIO_GROUP;
1224 2102
2103 PUTBACK;
1225 req_submit (req); 2104 req_submit (req);
2105 SPAGAIN;
2106
1226 XPUSHs (req_sv (req, aio_grp_stash)); 2107 XPUSHs (req_sv (req, aio_grp_stash));
1227} 2108}
1228 2109
1229void 2110void
1230aio_nop (SV *callback=&PL_sv_undef) 2111aio_nop (SV *callback = &PL_sv_undef)
1231 ALIAS: 2112 ALIAS:
1232 aio_nop = EIO_NOP 2113 aio_nop = EIO_NOP
1233 aio_sync = EIO_SYNC 2114 aio_sync = EIO_SYNC
1234 PPCODE: 2115 PPCODE:
1235{ 2116{
… …
1239 2120
1240 REQ_SEND; 2121 REQ_SEND;
1241} 2122}
1242 2123
1243int 2124int
1244aioreq_pri (int pri = 0) 2125aioreq_pri (int pri = NO_INIT)
1245 PROTOTYPE: ;$
1246 CODE: 2126 CODE:
1247 RETVAL = next_pri; 2127 RETVAL = next_pri;
1248 if (items > 0) 2128 if (items > 0)
1249 { 2129 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2130 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2142 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 2143 next_pri = nice;
1264 2144
1265void 2145void
1266flush () 2146flush ()
1267 PROTOTYPE:
1268 CODE: 2147 CODE:
1269 while (eio_nreqs ()) 2148 while (eio_nreqs ())
1270 { 2149 {
1271 poll_wait (); 2150 poll_wait ();
1272 poll_cb (); 2151 poll_cb ();
1273 } 2152 }
1274 2153
1275int 2154int
1276poll() 2155poll ()
1277 PROTOTYPE:
1278 CODE: 2156 CODE:
1279 poll_wait (); 2157 poll_wait ();
1280 RETVAL = poll_cb (); 2158 RETVAL = poll_cb ();
1281 OUTPUT: 2159 OUTPUT:
1282 RETVAL 2160 RETVAL
1283 2161
1284int 2162int
1285poll_fileno() 2163poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 2164 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 2165 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 2166 OUTPUT:
1290 RETVAL 2167 RETVAL
1291 2168
1292int 2169int
1293poll_cb(...) 2170poll_cb (...)
1294 PROTOTYPE: 2171 PROTOTYPE:
1295 CODE: 2172 CODE:
1296 RETVAL = poll_cb (); 2173 RETVAL = poll_cb ();
1297 OUTPUT: 2174 OUTPUT:
1298 RETVAL 2175 RETVAL
1299 2176
1300void 2177void
1301poll_wait() 2178poll_wait ()
1302 PROTOTYPE:
1303 CODE: 2179 CODE:
1304 poll_wait (); 2180 poll_wait ();
1305 2181
1306int 2182int
1307nreqs() 2183nreqs ()
1308 PROTOTYPE:
1309 CODE: 2184 CODE:
1310 RETVAL = eio_nreqs (); 2185 RETVAL = eio_nreqs ();
1311 OUTPUT: 2186 OUTPUT:
1312 RETVAL 2187 RETVAL
1313 2188
1314int 2189int
1315nready() 2190nready ()
1316 PROTOTYPE:
1317 CODE: 2191 CODE:
1318 RETVAL = eio_nready (); 2192 RETVAL = eio_nready ();
1319 OUTPUT: 2193 OUTPUT:
1320 RETVAL 2194 RETVAL
1321 2195
1322int 2196int
1323npending() 2197npending ()
1324 PROTOTYPE:
1325 CODE: 2198 CODE:
1326 RETVAL = eio_npending (); 2199 RETVAL = eio_npending ();
1327 OUTPUT: 2200 OUTPUT:
1328 RETVAL 2201 RETVAL
1329 2202
1330int 2203int
1331nthreads() 2204nthreads ()
1332 PROTOTYPE:
1333 CODE: 2205 CODE:
1334 RETVAL = eio_nthreads (); 2206 RETVAL = eio_nthreads ();
1335 OUTPUT: 2207 OUTPUT:
1336 RETVAL 2208 RETVAL
1337 2209
1338int 2210int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2211fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 2212 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 2213 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 2214 OUTPUT:
1348 RETVAL 2215 RETVAL
1349 2216
1350ssize_t 2217IV
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2218sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 2219 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2220 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 2221 OUTPUT:
1356 RETVAL 2222 RETVAL
1357 2223
1358void 2224void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2225mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 2226 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 2227 sv_clear_foreign (scalar);
1363{ 2228{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2229 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2230 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 2231 if (addr == (void *)-1)
1367 XSRETURN_NO; 2232 XSRETURN_NO;
1368 2233
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 2234 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372 2235
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE)) 2236 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 2237 SvREADONLY_on (scalar);
1376 2238
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES; 2239 XSRETURN_YES;
1383} 2240}
1384 2241
1385void 2242void
1386munmap (SV *scalar) 2243munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 2244 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 2245 sv_clear_foreign (scalar);
2246
2247SV *
2248mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2249 CODE:
2250{
2251 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2252 void *new;
2253
2254 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2255 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2256
2257 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2258
2259 RETVAL = &PL_sv_no;
2260
2261 if (new != (void *)-1)
2262 {
2263 RETVAL = new == (void *)mg->mg_ptr
2264 ? newSVpvn ("0 but true", 10)
2265 : &PL_sv_yes;
2266
2267 mg->mg_ptr = (char *)new;
2268 mg->mg_obj = (SV *)new_length;
2269
2270 SvPVX (scalar) = mg->mg_ptr;
2271 SvCUR_set (scalar, new_length);
2272 }
2273}
2274 OUTPUT:
2275 RETVAL
2276
2277int
2278madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2279 ALIAS:
2280 mprotect = 1
2281 CODE:
2282{
2283 STRLEN svlen;
2284 void *addr = SvPVbyte (scalar, svlen);
2285 STRLEN len = SvUV (length);
2286
2287 if (offset < 0)
2288 offset += svlen;
2289
2290 if (offset < 0 || offset > svlen)
2291 croak ("offset outside of scalar");
2292
2293 if (!SvOK (length) || len + offset > svlen)
2294 len = svlen - offset;
2295
2296 addr = (void *)(((intptr_t)addr) + offset);
2297 eio_page_align (&addr, &len);
2298
2299 switch (ix)
2300 {
2301 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2302 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2303 }
2304}
2305 OUTPUT:
2306 RETVAL
2307
2308int
2309munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2310 CODE:
2311{
2312 STRLEN svlen;
2313 void *addr = SvPVbyte (scalar, svlen);
2314 size_t len = SvUV (length);
2315
2316 if (offset < 0)
2317 offset += svlen;
2318
2319 if (offset < 0 || offset > svlen)
2320 croak ("offset outside of scalar");
2321
2322 if (!SvOK (length) || len + offset > svlen)
2323 len = svlen - offset;
2324
2325 addr = (void *)(((intptr_t)addr) + offset);
2326 eio_page_align (&addr, &len);
2327#if _POSIX_MEMLOCK_RANGE
2328 RETVAL = munlock (addr, len);
2329#else
2330 RETVAL = EIO_ENOSYS ();
2331#endif
2332}
2333 OUTPUT:
2334 RETVAL
1390 2335
1391int 2336int
1392mlockall (int flags) 2337mlockall (int flags)
1393 PROTOTYPE: $ 2338 PROTOTYPE: $;
1394 CODE: 2339 CODE:
1395#if _POSIX_MEMLOCK 2340 RETVAL = eio_mlockall_sync (flags);
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2341 OUTPUT:
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else
1402 RETVAL = -1;
1403 errno = ENOSYS;
1404#endif
1405 OUTPUT:
1406 RETVAL 2342 RETVAL
1407 2343
1408int 2344int
1409munlockall () 2345munlockall ()
1410 PROTOTYPE:
1411 CODE: 2346 CODE:
1412#if _POSIX_MEMLOCK 2347#if _POSIX_MEMLOCK
1413 munlockall (); 2348 munlockall ();
1414#else 2349#else
1415 RETVAL = -1; 2350 RETVAL = EIO_ENOSYS ();
1416 errno = ENOSYS;
1417#endif 2351#endif
1418 OUTPUT: 2352 OUTPUT:
1419 RETVAL 2353 RETVAL
2354
2355int
2356statx (SV8 *pathname, int flags, UV mask)
2357 CODE:
2358{
2359 /* undocumented, and might go away, and anyway, should use eio_statx */
2360 SV *wdsv = 0;
2361 SV *pathsv = 0;
2362 eio_wd wd = EIO_CWD;
2363 void *ptr;
2364 int res;
2365
2366 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2367 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2368
2369 SvREFCNT_dec (pathsv);
2370 SvREFCNT_dec (wdsv);
2371}
2372 OUTPUT:
2373 RETVAL
2374
2375U32
2376stx_mode ()
2377 PROTOTYPE:
2378 CODE:
2379#if HAVE_STATX
2380 RETVAL = stx.stx_mode;
2381#else
2382 XSRETURN_UNDEF;
2383#endif
2384 OUTPUT:
2385 RETVAL
2386
2387#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2388#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2389#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2390#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2391#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2392#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2393#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2394#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2395#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2396#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2397#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2398#define STATX_OFFSET_size statx_offsetof (stx_size)
2399#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2400#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2401#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2402#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2403#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2404#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2405
2406U32
2407stx_mask ()
2408 PROTOTYPE:
2409 ALIAS:
2410 stx_mask = STATX_OFFSET_mask
2411 stx_blksize = STATX_OFFSET_blksize
2412 stx_nlink = STATX_OFFSET_nlink
2413 stx_uid = STATX_OFFSET_uid
2414 stx_gid = STATX_OFFSET_gid
2415 stx_rdev_major = STATX_OFFSET_rdev_major
2416 stx_rdev_minor = STATX_OFFSET_rdev_minor
2417 stx_dev_major = STATX_OFFSET_dev_major
2418 stx_dev_minor = STATX_OFFSET_dev_minor
2419 CODE:
2420#if HAVE_STATX
2421 RETVAL = *(__u32 *)((char *)&stx + ix);
2422#else
2423 XSRETURN_UNDEF;
2424#endif
2425 OUTPUT:
2426 RETVAL
2427
2428VAL64
2429stx_attributes ()
2430 PROTOTYPE:
2431 ALIAS:
2432 stx_attributes = STATX_OFFSET_attributes
2433 stx_ino = STATX_OFFSET_ino
2434 stx_size = STATX_OFFSET_size
2435 stx_blocks = STATX_OFFSET_blocks
2436 stx_attributes_mask = STATX_OFFSET_attributes_mask
2437 CODE:
2438#if HAVE_STATX
2439 RETVAL = *(__u64 *)((char *)&stx + ix);
2440#else
2441 XSRETURN_UNDEF;
2442#endif
2443 OUTPUT:
2444 RETVAL
2445
2446NV
2447stx_atime ()
2448 PROTOTYPE:
2449 ALIAS:
2450 stx_atime = STATX_OFFSET_atime
2451 stx_btime = STATX_OFFSET_btime
2452 stx_ctime = STATX_OFFSET_ctime
2453 stx_mtime = STATX_OFFSET_mtime
2454 CODE:
2455#if HAVE_STATX
2456 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2457 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2458#else
2459 XSRETURN_UNDEF;
2460#endif
2461 OUTPUT:
2462 RETVAL
2463
2464VAL64
2465stx_atimesec ()
2466 PROTOTYPE:
2467 ALIAS:
2468 stx_atimesec = STATX_OFFSET_atime
2469 stx_btimesec = STATX_OFFSET_btime
2470 stx_ctimesec = STATX_OFFSET_ctime
2471 stx_mtimesec = STATX_OFFSET_mtime
2472 CODE:
2473#if HAVE_STATX
2474 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2475 RETVAL = ts->tv_sec;
2476#else
2477 XSRETURN_UNDEF;
2478#endif
2479 OUTPUT:
2480 RETVAL
2481
2482U32
2483stx_atimensec ()
2484 PROTOTYPE:
2485 ALIAS:
2486 stx_atimensec = STATX_OFFSET_atime
2487 stx_btimensec = STATX_OFFSET_btime
2488 stx_ctimensec = STATX_OFFSET_ctime
2489 stx_mtimensec = STATX_OFFSET_mtime
2490 CODE:
2491#if HAVE_STATX
2492 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2493 RETVAL = ts->tv_nsec;
2494#else
2495 RETVAL = 0;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500void
2501accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2502 PPCODE:
2503{
2504 SV *retval;
2505#if HAVE_ACCEPT4
2506 socklen_t salen_ = salen ? salen + 1 : 0;
2507
2508 if (salen)
2509 {
2510 sv_upgrade (sockaddr, SVt_PV);
2511 sv_grow (sockaddr, salen_);
2512 }
2513
2514 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2515
2516 retval = newmortalFH (res, O_RDWR);
2517
2518 if (res >= 0 && salen > 0)
2519 {
2520 if (salen_ > salen + 1)
2521 salen_ = salen + 1;
2522
2523 SvPOK_only (sockaddr);
2524 SvCUR_set (sockaddr, salen_);
2525 }
2526#else
2527 errno = ENOSYS;
2528 retval = &PL_sv_undef;
2529#endif
2530 XPUSHs (retval);
2531}
2532
2533ssize_t
2534splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2535 CODE:
2536{
2537#if HAVE_LINUX_SPLICE
2538 loff_t off_in_, off_out_;
2539 RETVAL = splice (
2540 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2541 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2542 length, flags
2543 );
2544#else
2545 RETVAL = EIO_ENOSYS ();
2546#endif
2547}
2548 OUTPUT:
2549 RETVAL
2550
2551ssize_t
2552tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2553 CODE:
2554#if HAVE_LINUX_SPLICE
2555 RETVAL = tee (rfh, wfh, length, flags);
2556#else
2557 RETVAL = EIO_ENOSYS ();
2558#endif
2559 OUTPUT:
2560 RETVAL
2561
2562int
2563pipesize (aio_rfd rfh, int new_size = -1)
2564 PROTOTYPE: $;$
2565 CODE:
2566#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2567 if (new_size >= 0)
2568 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2569 else
2570 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2571#else
2572 errno = ENOSYS;
2573 RETVAL = -1;
2574#endif
2575 OUTPUT:
2576 RETVAL
2577
2578void
2579pipe2 (int flags = 0)
2580 PROTOTYPE: ;$
2581 PPCODE:
2582{
2583 int fd[2];
2584 int res;
2585
2586 if (flags)
2587#if HAVE_PIPE2
2588 res = pipe2 (fd, flags);
2589#else
2590 res = (errno = ENOSYS, -1);
2591#endif
2592 else
2593 res = pipe (fd);
2594
2595 if (!res)
2596 {
2597 EXTEND (SP, 2);
2598 PUSHs (newmortalFH (fd[0], O_RDONLY));
2599 PUSHs (newmortalFH (fd[1], O_WRONLY));
2600 }
2601}
2602
2603void
2604eventfd (unsigned int initval = 0, int flags = 0)
2605 PPCODE:
2606{
2607 int fd;
2608#if HAVE_EVENTFD
2609 fd = eventfd (initval, flags);
2610#else
2611 fd = (errno = ENOSYS, -1);
2612#endif
2613
2614 XPUSHs (newmortalFH (fd, O_RDWR));
2615}
2616
2617void
2618timerfd_create (int clockid, int flags = 0)
2619 PPCODE:
2620{
2621 int fd;
2622#if HAVE_TIMERFD
2623 fd = timerfd_create (clockid, flags);
2624#else
2625 fd = (errno = ENOSYS, -1);
2626#endif
2627
2628 XPUSHs (newmortalFH (fd, O_RDWR));
2629}
2630
2631void
2632timerfd_settime (SV *fh, int flags, NV interval, NV value)
2633 PPCODE:
2634{
2635 int fd = s_fileno_croak (fh, 0);
2636#if HAVE_TIMERFD
2637 int res;
2638 struct itimerspec its, ots;
2639
2640 ts_set (&its.it_interval, interval);
2641 ts_set (&its.it_value , value);
2642 res = timerfd_settime (fd, flags, &its, &ots);
2643
2644 if (!res)
2645 {
2646 EXTEND (SP, 2);
2647 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2648 PUSHs (newSVnv (ts_get (&ots.it_value)));
2649 }
2650#else
2651 errno = ENOSYS;
2652#endif
2653}
2654
2655void
2656timerfd_gettime (SV *fh)
2657 PPCODE:
2658{
2659 int fd = s_fileno_croak (fh, 0);
2660#if HAVE_TIMERFD
2661 int res;
2662 struct itimerspec ots;
2663 res = timerfd_gettime (fd, &ots);
2664
2665 if (!res)
2666 {
2667 EXTEND (SP, 2);
2668 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2669 PUSHs (newSVnv (ts_get (&ots.it_value)));
2670 }
2671#else
2672 errno = ENOSYS;
2673#endif
2674}
2675
2676void
2677memfd_create (SV8 *pathname, int flags = 0)
2678 PPCODE:
2679{
2680 int fd;
2681#if HAVE_MEMFD_CREATE
2682 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2683#else
2684 fd = (errno = ENOSYS, -1);
2685#endif
2686
2687 XPUSHs (newmortalFH (fd, O_RDWR));
2688}
2689
2690UV
2691get_fdlimit ()
2692 CODE:
2693#if HAVE_RLIMITS
2694 struct rlimit rl;
2695 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2696 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2697#endif
2698 XSRETURN_UNDEF;
2699 OUTPUT:
2700 RETVAL
2701
2702void
2703min_fdlimit (UV limit = 0x7fffffffU)
2704 CODE:
2705{
2706#if HAVE_RLIMITS
2707 struct rlimit rl;
2708 rlim_t orig_rlim_max;
2709 UV bit;
2710
2711 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2712 goto fail;
2713
2714 if (rl.rlim_cur == RLIM_INFINITY)
2715 XSRETURN_YES;
2716
2717 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2718
2719 if (rl.rlim_cur < limit)
2720 {
2721 rl.rlim_cur = limit;
2722
2723 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2724 rl.rlim_max = rl.rlim_cur;
2725 }
2726
2727 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2728 XSRETURN_YES;
2729
2730 if (errno == EPERM)
2731 {
2732 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2733 /* our limit overflows a system-wide limit */
2734 /* try an adaptive algorithm, but do not lower the hardlimit */
2735 rl.rlim_max = 0;
2736 for (bit = 0x40000000U; bit; bit >>= 1)
2737 {
2738 rl.rlim_max |= bit;
2739 rl.rlim_cur = rl.rlim_max;
2740
2741 /* nevr decrease the hard limit */
2742 if (rl.rlim_max < orig_rlim_max)
2743 break;
2744
2745 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2746 rl.rlim_max &= ~bit; /* too high, remove bit again */
2747 }
2748
2749 /* now, raise the soft limit to the max permitted */
2750 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2751 {
2752 rl.rlim_cur = rl.rlim_max;
2753 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2754 errno = EPERM;
2755 }
2756 }
2757#endif
2758 fail:
2759 XSRETURN_UNDEF;
2760}
1420 2761
1421void _on_next_submit (SV *cb) 2762void _on_next_submit (SV *cb)
1422 CODE: 2763 CODE:
1423 SvREFCNT_dec (on_next_submit); 2764 SvREFCNT_dec (on_next_submit);
1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2765 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1425 2766
1426PROTOTYPES: DISABLE 2767PROTOTYPES: DISABLE
1427 2768
2769MODULE = IO::AIO PACKAGE = IO::AIO::WD
2770
2771BOOT:
2772{
2773 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2774 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2775}
2776
2777void
2778DESTROY (SV *self)
2779 CODE:
2780{
2781 aio_wd wd = SvAIO_WD (self);
2782#if HAVE_AT
2783 {
2784 SV *callback = &PL_sv_undef;
2785 dREQ; /* clobbers next_pri :/ */
2786 next_pri = req->pri; /* restore next_pri */
2787 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2788 req->type = EIO_WD_CLOSE;
2789 req->wd = wd;
2790 REQ_SEND;
2791 }
2792#else
2793 eio_wd_close_sync (wd);
2794#endif
2795}
2796
1428MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2797MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1429 2798
1430void 2799void
1431cancel (aio_req_ornot req) 2800cancel (aio_req_ornot req)
1432 CODE: 2801 CODE:
1433 eio_cancel (req); 2802 eio_cancel (req);
1434 2803
1435void 2804void
1436cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2805cb (aio_req_ornot req, SV *callback = NO_INIT)
1437 PPCODE: 2806 PPCODE:
1438{ 2807{
1439 if (GIMME_V != G_VOID) 2808 if (GIMME_V != G_VOID)
1440 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2809 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1441 2810
1442 if (items > 1) 2811 if (items > 1)
1443 { 2812 {
1444 SV *cb_cv =get_cb (callback); 2813 SV *cb_cv = get_cb (callback);
1445 2814
1446 SvREFCNT_dec (req->callback); 2815 SvREFCNT_dec (req->callback);
1447 req->callback = SvREFCNT_inc (cb_cv); 2816 req->callback = SvREFCNT_inc (cb_cv);
1448 } 2817 }
1449} 2818}
… …
1506limit (aio_req grp, int limit) 2875limit (aio_req grp, int limit)
1507 CODE: 2876 CODE:
1508 eio_grp_limit (grp, limit); 2877 eio_grp_limit (grp, limit);
1509 2878
1510void 2879void
1511feed (aio_req grp, SV *callback=&PL_sv_undef) 2880feed (aio_req grp, SV *callback = &PL_sv_undef)
1512 CODE: 2881 CODE:
1513{ 2882{
1514 SvREFCNT_dec (grp->sv2); 2883 SvREFCNT_dec (grp->sv2);
1515 grp->sv2 = newSVsv (callback); 2884 grp->sv2 = newSVsv (callback);
1516 grp->feed = aio_grp_feed; 2885 grp->feed = aio_grp_feed;

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