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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 2020 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
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 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
83#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
84 84
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 85#else
91# define VAL64 NV 86
92# define SvVAL64 SvNV 87 #include <sys/time.h>
93# 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
94#endif 95#endif
95 96
96/*****************************************************************************/ 97/*****************************************************************************/
97 98
98#if __GNUC__ >= 3 99#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
106 107
107/*****************************************************************************/ 108/*****************************************************************************/
108 109
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
109typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
112 175
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 176static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 177
115#define EIO_REQ_MEMBERS \ 178#define EIO_REQ_MEMBERS \
116 SV *callback; \ 179 SV *callback; \
117 SV *sv1, *sv2; \ 180 SV *sv1, *sv2; \
181 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 182 STRLEN stroffset; \
119 SV *self; 183 SV *self;
120 184
121#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
122 186
123#include "libeio/eio.h" 187#include "libeio/eio.h"
124 188
125#ifndef POSIX_FADV_NORMAL 189static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 190#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 191static void req_destroy (eio_req *grp);
128#endif 192#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 193
145#ifndef ST_NODEV 194#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 195
176#ifndef MCL_CURRENT 196#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 198#endif
179#ifndef MCL_FUTURE 199
180# define MCL_FUTURE 0 200#if !HAVE_POSIX_MADVISE
201# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 202#endif
182 203
183#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 205# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
186# else 207# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 209# endif
189#endif 210#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 211
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
206#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 229#endif
209 230
210static int req_invoke (eio_req *req); 231#if HAVE_SYSCALL
211#define EIO_FINISH(req) req_invoke (req) 232#include <sys/syscall.h>
212static void req_destroy (eio_req *grp); 233#else
213#define EIO_DESTROY(req) req_destroy (req) 234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
237/*****************************************************************************/
238
239#if !_POSIX_MAPPED_FILES
240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
241# define munmap(addr,length) EIO_ENOSYS ()
242#endif
243
244#if !_POSIX_MEMORY_PROTECTION
245# define mprotect(addr,len,prot) EIO_ENOSYS ()
246#endif
247
248#if !MREMAP_MAYMOVE
249# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
250#endif
251
252#define FOREIGN_MAGIC PERL_MAGIC_ext
253
254static int ecb_cold
255mmap_free (pTHX_ SV *sv, MAGIC *mg)
256{
257 int old_errno = errno;
258 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
259 errno = old_errno;
260
261 mg->mg_obj = 0; /* just in case */
262
263 SvREADONLY_off (sv);
264
265 if (SvPVX (sv) != mg->mg_ptr)
266 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
267
268 SvCUR_set (sv, 0);
269 SvPVX (sv) = 0;
270 SvOK_off (sv);
271
272 return 0;
273}
274
275static MGVTBL mmap_vtbl = {
276 0, 0, 0, 0, mmap_free
277};
278
279static int ecb_cold
280sysfree_free (pTHX_ SV *sv, MAGIC *mg)
281{
282 free (mg->mg_ptr);
283 mg->mg_obj = 0; /* just in case */
284
285 SvREADONLY_off (sv);
286
287 if (SvPVX (sv) != mg->mg_ptr)
288 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
289
290 SvCUR_set (sv, 0);
291 SvPVX (sv) = 0;
292 SvOK_off (sv);
293
294 return 0;
295}
296
297static MGVTBL sysfree_vtbl = {
298 0, 0, 0, 0, sysfree_free
299};
300
301/*****************************************************************************/
302
303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
305static void
306sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
307{
308 sv_force_normal (sv);
309
310 /* we store the length in mg_obj, as namlen is I32 :/ */
311 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
312 ->mg_obj = (SV *)length;
313
314 SvUPGRADE (sv, SVt_PV); /* nop... */
315
316 if (SvLEN (sv))
317 Safefree (SvPVX (sv));
318
319 SvPVX (sv) = (char *)addr;
320 SvCUR_set (sv, length);
321 SvLEN_set (sv, 0);
322 SvPOK_only (sv);
323}
324
325static void
326sv_clear_foreign (SV *sv)
327{
328 /* todo: iterate over magic and only free ours, but of course */
329 /* the perl5porters will call that (correct) behaviour buggy */
330 sv_unmagic (sv, FOREIGN_MAGIC);
331}
332
333/*****************************************************************************/
334
335/* defines all sorts of constants to 0 unless they are already defined */
336/* also provides const_iv_ and const_niv_ macros for them */
337#include "def0.h"
338
339/*****************************************************************************/
340
341static void
342fiemap (eio_req *req)
343{
344 req->result = -1;
345
346#if HAVE_FIEMAP
347 /* assume some c99 */
348 struct fiemap *fiemap = 0;
349 size_t end_offset;
350 int count = req->int3;
351
352 req->flags |= EIO_FLAG_PTR1_FREE;
353
354 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
355 /* increase in fixed steps */
356 if (count < 0)
357 count = 8;
358
359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
360 errno = ENOMEM;
361 if (!fiemap)
362 return;
363
364 req->ptr1 = fiemap;
365
366 fiemap->fm_start = req->offs;
367 fiemap->fm_length = req->size;
368 fiemap->fm_flags = req->int2;
369 fiemap->fm_extent_count = count;
370
371 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
372 return;
373
374 if (req->int3 >= 0 /* not autosizing */
375 || !fiemap->fm_mapped_extents /* no more extents */
376 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
377 goto done;
378
379 /* else we have to loop -
380 * it would be tempting (actually I tried that first) to just query the
381 * number of extents needed, but linux often feels like not returning all
382 * extents, without telling us it left any out. this complicates
383 * this quite a bit.
384 */
385
386 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
387
388 for (;;)
389 {
390 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
391 char scratch[3072];
392 struct fiemap *incmap = (struct fiemap *)scratch;
393
394 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
395 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
396 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
397 incmap->fm_flags = fiemap->fm_flags;
398 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
399
400 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
401 return;
402
403 if (!incmap->fm_mapped_extents)
404 goto done;
405
406 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
407 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
408 errno = ENOMEM;
409 if (!fiemap)
410 return;
411
412 req->ptr1 = fiemap;
413
414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
415 {
416 struct fiemap_extent *e = incmap->fm_extents + count;
417
418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
419
420 if (e->fe_logical >= end_offset)
421 goto done;
422
423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
424 goto done;
425
426 }
427 }
428
429done:
430 req->result = 0;
431
432#else
433 errno = ENOSYS;
434#endif
435}
436
437/*****************************************************************************/
438
439static int close_fd; /* dummy fd to close fds via dup2 */
440
441#if HAVE_STATX
442static struct statx stx;
443#define statx_offsetof(member) offsetof (struct statx, member)
444#define eio__statx statx
445#else
446#define statx_offsetof(member) 0
447#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
448#endif
214 449
215enum { 450enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 452};
218 453
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 454typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 455typedef eio_req *aio_req_ornot;
456typedef eio_wd aio_wd;
223 457
224static SV *on_next_submit; 458static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 459static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 460static int max_outstanding;
227 461
228static s_epipe respipe; 462static s_epipe respipe;
229 463
230static void req_destroy (aio_req req); 464static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 465static void req_cancel (aio_req req);
232 466
233static void want_poll (void) 467static void
468want_poll (void)
234{ 469{
235 /* write a dummy byte to the pipe so fh becomes ready */ 470 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 471 s_epipe_signal (&respipe);
237} 472}
238 473
239static void done_poll (void) 474static void
475done_poll (void)
240{ 476{
241 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
243} 479}
244 480
245/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
483static SV *
246static SV *req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
247{ 485{
248 if (!req->self) 486 if (!req->self)
249 { 487 {
250 req->self = (SV *)newHV (); 488 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 489 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 490 }
253 491
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 492 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 493}
256 494
257static aio_req SvAIO_REQ (SV *sv) 495static SV *
496newSVaio_wd (aio_wd wd)
497{
498 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
499}
500
501ecb_noinline
502static aio_req
503SvAIO_REQ (SV *sv)
258{ 504{
259 MAGIC *mg; 505 MAGIC *mg;
260 506
261 if (!SvROK (sv) 507 if (!SvROK (sv)
508 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 509 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 510 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 511 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 512 croak ("object of class IO::AIO::REQ expected");
266 513
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 514 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 515
269 return mg ? (aio_req)mg->mg_ptr : 0; 516 return mg ? (aio_req)mg->mg_ptr : 0;
270} 517}
271 518
519static aio_wd
520SvAIO_WD (SV *sv)
521{
522 if (!SvROK (sv)
523 || SvTYPE (SvRV (sv)) != SVt_PVMG
524 || SvSTASH (SvRV (sv)) != aio_wd_stash)
525 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
526
527 return (aio_wd)(long)SvIVX (SvRV (sv));
528}
529
530static SV *
531newmortalFH (int fd, int flags)
532{
533 if (fd < 0)
534 return &PL_sv_undef;
535
536 GV *gv = (GV *)sv_newmortal ();
537 char sym[64];
538 int symlen;
539
540 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
541 gv_init (gv, aio_stash, sym, symlen, 0);
542
543 symlen = snprintf (
544 sym,
545 sizeof (sym),
546 "%s&=%d",
547 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
548 fd
549 );
550
551 return do_open (gv, sym, symlen, 0, 0, 0, 0)
552 ? (SV *)gv : &PL_sv_undef;
553}
554
555static void
272static void aio_grp_feed (aio_req grp) 556aio_grp_feed (aio_req grp)
273{ 557{
274 if (grp->sv2 && SvOK (grp->sv2)) 558 if (grp->sv2 && SvOK (grp->sv2))
275 { 559 {
276 dSP; 560 dSP;
277 561
… …
285 FREETMPS; 569 FREETMPS;
286 LEAVE; 570 LEAVE;
287 } 571 }
288} 572}
289 573
574ecb_noinline
575static void
290static void req_submit (eio_req *req) 576req_submit (eio_req *req)
291{ 577{
292 eio_submit (req); 578 eio_submit (req);
293 579
294 if (expect_false (on_next_submit)) 580 if (expect_false (on_next_submit))
295 { 581 {
… …
302 PUTBACK; 588 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 589 call_sv (cb, G_DISCARD | G_EVAL);
304 } 590 }
305} 591}
306 592
593static int
307static int req_invoke (eio_req *req) 594req_invoke (eio_req *req)
308{ 595{
309 if (req->flags & FLAG_SV2_RO_OFF) 596 if (req->flags & FLAG_SV2_RO_OFF)
310 SvREADONLY_off (req->sv2); 597 SvREADONLY_off (req->sv2);
311 598
312 if (!EIO_CANCELLED (req) && req->callback) 599 if (!EIO_CANCELLED (req) && req->callback)
… …
323 /* do not recreate the result IV from scratch each time */ 610 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 611 if (expect_true (sv_result_cache))
325 { 612 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 613 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 614 SvIV_set (sv_result, req->result);
615 SvIOK_only (sv_result);
328 } 616 }
329 else 617 else
330 { 618 {
331 sv_result = newSViv (req->result); 619 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 620 SvREADONLY_on (sv_result);
333 } 621 }
334 622
335 switch (req->type) 623 switch (req->type)
336 { 624 {
625 case EIO_WD_OPEN:
626 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
627 break;
628
337 case EIO_READDIR: 629 case EIO_READDIR:
338 { 630 {
339 SV *rv = &PL_sv_undef; 631 SV *rv = &PL_sv_undef;
340 632
341 if (req->result >= 0) 633 if (req->result >= 0)
… …
394 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 686 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
395 } 687 }
396 break; 688 break;
397 689
398 case EIO_OPEN: 690 case EIO_OPEN:
399 { 691 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400 /* convert fd to fh */
401 SV *fh = &PL_sv_undef;
402
403 if (req->result >= 0)
404 {
405 GV *gv = (GV *)sv_newmortal ();
406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407 char sym [64];
408 int symlen;
409
410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411 gv_init (gv, aio_stash, sym, symlen, 0);
412
413 symlen = snprintf (
414 sym,
415 sizeof (sym),
416 "%s&=%d",
417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418 (int)req->result
419 );
420
421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422 fh = (SV *)gv;
423 }
424
425 PUSHs (fh);
426 }
427 break; 692 break;
428 693
429 case EIO_STATVFS: 694 case EIO_STATVFS:
430 case EIO_FSTATVFS: 695 case EIO_FSTATVFS:
431 { 696 {
432 SV *rv = &PL_sv_undef; 697 SV *rv = &PL_sv_undef;
433 698
699#ifndef _WIN32
434 if (req->result >= 0) 700 if (req->result >= 0)
435 { 701 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 702 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 HV *hv = newHV (); 703 HV *hv = newHV ();
704 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
705 * chooses to make it a struct.
706 */
707 unsigned long fsid = 0;
708 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438 709
439 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 710 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440 711
441 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 712 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 713 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
444 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 715 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 716 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 717 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 718 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 719 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 720 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 721 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 722 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452 } 723 }
724#endif
453 725
454 PUSHs (rv); 726 PUSHs (rv);
455 } 727 }
456 728
457 break; 729 break;
… …
473 case EIO_NOP: 745 case EIO_NOP:
474 case EIO_BUSY: 746 case EIO_BUSY:
475 break; 747 break;
476 748
477 case EIO_READLINK: 749 case EIO_READLINK:
750 case EIO_REALPATH:
478 if (req->result > 0) 751 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 752 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 753 break;
481 754
482 case EIO_STAT: 755 case EIO_STAT:
483 case EIO_LSTAT: 756 case EIO_LSTAT:
484 case EIO_FSTAT: 757 case EIO_FSTAT:
485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 758 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
759
486 PL_laststatval = req->result; 760 if (!(PL_laststatval = req->result))
761 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 762 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
763
488 PUSHs (sv_result); 764 PUSHs (sv_result);
765 break;
766
767 case EIO_SEEK:
768 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489 break; 769 break;
490 770
491 case EIO_READ: 771 case EIO_READ:
492 { 772 {
493 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 773 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
496 SvSETMAGIC (req->sv2); 776 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 777 PUSHs (sv_result);
498 } 778 }
499 break; 779 break;
500 780
781 case EIO_SLURP:
782 {
783 if (req->result >= 0)
784 {
785 /* if length was originally not known, we steal the malloc'ed memory */
786 if (req->flags & EIO_FLAG_PTR2_FREE)
787 {
788 req->flags &= ~EIO_FLAG_PTR2_FREE;
789 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
790 }
791 else
792 {
793 SvCUR_set (req->sv2, req->result);
794 *SvEND (req->sv2) = 0;
795 SvPOK_only (req->sv2);
796 }
797
798 SvSETMAGIC (req->sv2);
799 }
800
801 PUSHs (sv_result);
802 }
803 break;
804
805 case EIO_CUSTOM:
806 if (req->feed == fiemap)
807 {
808#if HAVE_FIEMAP
809 if (!req->result)
810 {
811 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
812
813 if (fiemap->fm_extent_count)
814 {
815 AV *av = newAV ();
816 int i;
817
818 while (fiemap->fm_mapped_extents)
819 {
820 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
821 AV *ext_av = newAV ();
822
823 av_store (ext_av, 3, newSVuv (extent->fe_flags));
824 av_store (ext_av, 2, newSVval64 (extent->fe_length));
825 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
826 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
827
828 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
829 }
830
831 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
832 }
833 else
834 {
835 SvIV_set (sv_result, fiemap->fm_mapped_extents);
836 PUSHs (sv_result);
837 }
838 }
839#endif
840 }
841 else
842 PUSHs (sv_result);
843 break;
844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
501 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 851 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502 if (req->result > 0) 852 if (req->result > 0)
503 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
505 855
506 default: 856 default:
… …
526 } 876 }
527 877
528 return !!SvTRUE (ERRSV); 878 return !!SvTRUE (ERRSV);
529} 879}
530 880
881static void
531static void req_destroy (aio_req req) 882req_destroy (aio_req req)
532{ 883{
533 if (req->self) 884 if (req->self)
534 { 885 {
535 sv_unmagic (req->self, PERL_MAGIC_ext); 886 sv_unmagic (req->self, PERL_MAGIC_ext);
536 SvREFCNT_dec (req->self); 887 SvREFCNT_dec (req->self);
537 } 888 }
538 889
539 SvREFCNT_dec (req->sv1); 890 SvREFCNT_dec (req->sv1);
540 SvREFCNT_dec (req->sv2); 891 SvREFCNT_dec (req->sv2);
892 SvREFCNT_dec (req->sv3);
893 SvREFCNT_dec (req->sv4);
541 SvREFCNT_dec (req->callback); 894 SvREFCNT_dec (req->callback);
542 895
543 Safefree (req); 896 free (req);
544} 897}
545 898
899static void
546static void req_cancel_subs (aio_req grp) 900req_cancel_subs (aio_req grp)
547{ 901{
548 aio_req sub;
549
550 if (grp->type != EIO_GROUP) 902 if (grp->type != EIO_GROUP)
551 return; 903 return;
552 904
553 SvREFCNT_dec (grp->sv2); 905 SvREFCNT_dec (grp->sv2);
554 grp->sv2 = 0; 906 grp->sv2 = 0;
555 907
556 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
557} 909}
558 910
911ecb_cold
559static void 912static void
560create_respipe (void) 913create_respipe (void)
561{ 914{
562 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
564} 917}
565 918
566static void poll_wait (void) 919static void
920poll_wait (void)
567{ 921{
568 while (eio_nreqs ()) 922 while (eio_nreqs ())
569 { 923 {
570 int size; 924 int size;
571 925
572 X_LOCK (reslock); 926 X_LOCK (EIO_POOL->reslock);
573 size = res_queue.size; 927 size = EIO_POOL->res_queue.size;
574 X_UNLOCK (reslock); 928 X_UNLOCK (EIO_POOL->reslock);
575 929
576 if (size) 930 if (size)
577 return; 931 return;
578 932
579 etp_maybe_start_thread (); 933 etp_maybe_start_thread (EIO_POOL);
580 934
581 s_epipe_wait (&respipe); 935 s_epipe_wait (&respipe);
582 } 936 }
583} 937}
584 938
585static int poll_cb (void) 939static int
940poll_cb (void)
586{ 941{
587 for (;;) 942 for (;;)
588 { 943 {
589 int res = eio_poll (); 944 int res = eio_poll ();
590 945
… …
596 951
597 poll_wait (); 952 poll_wait ();
598 } 953 }
599} 954}
600 955
601static void atfork_child (void) 956ecb_cold
957static void
958reinit (void)
602{ 959{
603 create_respipe (); 960 create_respipe ();
604}
605 961
606/*****************************************************************************/ 962 if (eio_init (want_poll, done_poll) < 0)
607 963 croak ("IO::AIO: unable to initialise eio library");
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625
626 if (SvPVX (sv) != mg->mg_ptr)
627 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
628
629 SvCUR_set (sv, 0);
630 SvPVX (sv) = 0;
631 SvOK_off (sv);
632
633 return 0;
634} 964}
635
636static MGVTBL mmap_vtbl = {
637 0, 0, 0, 0, mmap_free
638};
639 965
640/*****************************************************************************/ 966/*****************************************************************************/
641 967
642static SV * 968static SV *
643get_cb (SV *cb_sv) 969get_cb (SV *cb_sv)
644{ 970{
645 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
646 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
647} 973}
648 974
975ecb_noinline
976static aio_req ecb_noinline
977dreq (SV *callback)
978{
979 SV *cb_cv;
980 aio_req req;
981 int req_pri = next_pri;
982 next_pri = EIO_PRI_DEFAULT;
983
984 cb_cv = get_cb (callback);
985
986 req = calloc (sizeof (*req), 1);
987 if (!req)
988 croak ("out of memory during eio_req allocation");
989
990 req->callback = SvREFCNT_inc (cb_cv);
991 req->pri = req_pri;
992
993 return req;
994}
995
649#define dREQ \ 996#define dREQ \
650 SV *cb_cv; \ 997 aio_req req = dreq (callback); \
651 aio_req req; \
652 int req_pri = next_pri; \
653 next_pri = EIO_PRI_DEFAULT; \
654 \
655 cb_cv = get_cb (callback); \
656 \
657 Newz (0, req, 1, eio_req); \
658 if (!req) \
659 croak ("out of memory during eio_req allocation"); \
660 \
661 req->callback = SvREFCNT_inc (cb_cv); \
662 req->pri = req_pri
663 998
664#define REQ_SEND \ 999#define REQ_SEND \
665 PUTBACK; \ 1000 PUTBACK; \
666 req_submit (req); \ 1001 req_submit (req); \
667 SPAGAIN; \ 1002 SPAGAIN; \
668 \ 1003 \
669 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
670 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
671 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1008ecb_inline
1009void
1010req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1011{
1012 if (expect_false (SvROK (path)))
1013 {
1014 SV *rv = SvRV (path);
1015 SV *wdob;
1016
1017 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1018 {
1019 path = AvARRAY (rv)[1];
1020 wdob = AvARRAY (rv)[0];
1021
1022 if (SvOK (wdob))
1023 {
1024 *wd = SvAIO_WD (wdob);
1025 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1026 }
1027 else
1028 *wd = EIO_INVALID_WD;
1029 }
1030 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1031 {
1032 *wd = (aio_wd)(long)SvIVX (rv);
1033 *wdsv = SvREFCNT_inc_NN (rv);
1034 *ptr = ".";
1035 return; /* path set to "." */
1036 }
1037 else
1038 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1039 }
1040
1041 *pathsv = newSVsv (path);
1042 *ptr = SvPVbyte_nolen (*pathsv);
1043}
1044
1045ecb_noinline
1046static void
1047req_set_path1 (aio_req req, SV *path)
1048{
1049 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1050}
1051
1052ecb_noinline
1053static void
1054req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1055{
1056 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1057
1058 switch (SvTYPE (rv))
1059 {
1060 case SVt_PVIO:
1061 case SVt_PVLV:
1062 case SVt_PVGV:
1063 req->type = type_fh;
1064 req->sv1 = newSVsv (fh_or_path);
1065 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1066 break;
1067
1068 default:
1069 req->type = type_path;
1070 req_set_path1 (req, fh_or_path);
1071 break;
1072 }
1073}
1074
1075/*****************************************************************************/
1076
1077static void
1078ts_set (struct timespec *ts, NV value)
1079{
1080 ts->tv_sec = value;
1081 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1082}
1083
1084static NV
1085ts_get (const struct timespec *ts)
1086{
1087 return ts->tv_sec + ts->tv_nsec * 1e-9;
1088}
1089
1090/*****************************************************************************/
1091
1092XS(boot_IO__AIO) ecb_cold;
1093
672MODULE = IO::AIO PACKAGE = IO::AIO 1094MODULE = IO::AIO PACKAGE = IO::AIO
673 1095
674PROTOTYPES: ENABLE 1096PROTOTYPES: ENABLE
675 1097
676BOOT: 1098BOOT:
… …
680 IV iv; 1102 IV iv;
681 } *civ, const_iv[] = { 1103 } *civ, const_iv[] = {
682# define const_niv(name, value) { # name, (IV) value }, 1104# define const_niv(name, value) { # name, (IV) value },
683# define const_iv(name) { # name, (IV) name }, 1105# define const_iv(name) { # name, (IV) name },
684# define const_eio(name) { # name, (IV) EIO_ ## name }, 1106# define const_eio(name) { # name, (IV) EIO_ ## name },
1107
1108 /* you have to re-run ./gendef0 after adding/removing any constants here */
1109 /* the first block can be undef if missing */
1110 const_iv (ENOSYS)
685 const_iv (EXDEV) 1111 const_iv (EXDEV)
686 const_iv (ENOSYS) 1112 const_iv (EBADR)
1113
1114 /* for lseek */
1115 const_iv (SEEK_DATA)
1116 const_iv (SEEK_HOLE)
1117
1118 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1119 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1120 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1121 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1122 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1123 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1124
1125 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1126 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1127 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1128 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1129 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1130
1131 /* the second block will be 0 when missing */
1132 const_iv (O_ACCMODE)
1133
687 const_iv (O_RDONLY) 1134 const_iv (O_RDONLY)
688 const_iv (O_WRONLY) 1135 const_iv (O_WRONLY)
689 const_iv (O_RDWR) 1136 const_iv (O_RDWR)
690 const_iv (O_CREAT) 1137 const_iv (O_CREAT)
691 const_iv (O_TRUNC) 1138 const_iv (O_TRUNC)
692 const_iv (O_EXCL) 1139 const_iv (O_EXCL)
693 const_iv (O_APPEND) 1140 const_iv (O_APPEND)
694#ifndef _WIN32 1141
1142 const_iv (O_ASYNC)
1143 const_iv (O_DIRECT)
1144 const_iv (O_NOATIME)
1145
1146 const_iv (O_CLOEXEC)
1147 const_iv (O_NOCTTY)
1148 const_iv (O_NOFOLLOW)
1149 const_iv (O_NONBLOCK)
1150 const_iv (O_EXEC)
1151 const_iv (O_SEARCH)
1152 const_iv (O_DIRECTORY)
1153 const_iv (O_DSYNC)
1154 const_iv (O_RSYNC)
1155 const_iv (O_SYNC)
1156 const_iv (O_PATH)
1157 const_iv (O_TMPFILE)
1158 const_iv (O_TTY_INIT)
1159
695 const_iv (S_IFIFO) 1160 const_iv (S_IFIFO)
696#endif 1161 const_iv (S_IFCHR)
697 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1162 const_iv (S_IFBLK)
698 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1163 const_iv (S_IFLNK)
699 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1164 const_iv (S_IFREG)
700 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1165 const_iv (S_IFDIR)
701 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1166 const_iv (S_IFWHT)
702 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1167 const_iv (S_IFSOCK)
1168 const_iv (S_IFMT)
703 1169
704 const_iv (ST_RDONLY) 1170 const_iv (ST_RDONLY)
705 const_iv (ST_NOSUID) 1171 const_iv (ST_NOSUID)
706 const_iv (ST_NODEV) 1172 const_iv (ST_NODEV)
707 const_iv (ST_NOEXEC) 1173 const_iv (ST_NOEXEC)
… …
712 const_iv (ST_IMMUTABLE) 1178 const_iv (ST_IMMUTABLE)
713 const_iv (ST_NOATIME) 1179 const_iv (ST_NOATIME)
714 const_iv (ST_NODIRATIME) 1180 const_iv (ST_NODIRATIME)
715 const_iv (ST_RELATIME) 1181 const_iv (ST_RELATIME)
716 1182
1183 const_iv (PROT_NONE)
717 const_iv (PROT_EXEC) 1184 const_iv (PROT_EXEC)
718 const_iv (PROT_NONE)
719 const_iv (PROT_READ) 1185 const_iv (PROT_READ)
720 const_iv (PROT_WRITE) 1186 const_iv (PROT_WRITE)
721 1187
722 /*const_iv (MAP_FIXED)*/
723 const_iv (MAP_PRIVATE) 1188 const_iv (MAP_PRIVATE)
724 const_iv (MAP_SHARED) 1189 const_iv (MAP_SHARED)
1190 const_iv (MAP_FIXED)
725 const_iv (MAP_ANONYMOUS) 1191 const_iv (MAP_ANONYMOUS)
726 1192
727 /* linuxish */ 1193 /* linuxish */
728 const_iv (MAP_HUGETLB)
729 const_iv (MAP_LOCKED) 1194 const_iv (MAP_LOCKED)
730 const_iv (MAP_NORESERVE) 1195 const_iv (MAP_NORESERVE)
731 const_iv (MAP_POPULATE) 1196 const_iv (MAP_POPULATE)
732 const_iv (MAP_NONBLOCK) 1197 const_iv (MAP_NONBLOCK)
1198 const_iv (MAP_GROWSDOWN)
1199 const_iv (MAP_32BIT)
1200 const_iv (MAP_HUGETLB)
1201 const_iv (MAP_STACK)
733 1202
1203 const_iv (MREMAP_MAYMOVE)
1204 const_iv (MREMAP_FIXED)
1205
1206 const_iv (MSG_CMSG_CLOEXEC)
1207 const_iv (SOCK_CLOEXEC)
1208
1209 const_iv (F_DUPFD_CLOEXEC)
1210
1211 const_iv (F_ADD_SEALS)
1212 const_iv (F_GET_SEALS)
1213 const_iv (F_SEAL_SEAL)
1214 const_iv (F_SEAL_SHRINK)
1215 const_iv (F_SEAL_GROW)
1216 const_iv (F_SEAL_WRITE)
1217
1218 const_iv (F_OFD_GETLK)
1219 const_iv (F_OFD_SETLK)
1220 const_iv (F_OFD_GETLKW)
1221
1222 const_iv (FIFREEZE)
1223 const_iv (FITHAW)
1224 const_iv (FITRIM)
1225 const_iv (FICLONE)
1226 const_iv (FICLONERANGE)
1227 const_iv (FIDEDUPERANGE)
1228
1229 const_iv (FS_IOC_GETFLAGS)
1230 const_iv (FS_IOC_SETFLAGS)
1231 const_iv (FS_IOC_GETVERSION)
1232 const_iv (FS_IOC_SETVERSION)
1233 const_iv (FS_IOC_FIEMAP)
1234 const_iv (FS_IOC_FSGETXATTR)
1235 const_iv (FS_IOC_FSSETXATTR)
1236 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1237 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1238 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1239
1240 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1241
1242 const_iv (FS_SECRM_FL)
1243 const_iv (FS_UNRM_FL)
1244 const_iv (FS_COMPR_FL)
1245 const_iv (FS_SYNC_FL)
1246 const_iv (FS_IMMUTABLE_FL)
1247 const_iv (FS_APPEND_FL)
1248 const_iv (FS_NODUMP_FL)
1249 const_iv (FS_NOATIME_FL)
1250 const_iv (FS_DIRTY_FL)
1251 const_iv (FS_COMPRBLK_FL)
1252 const_iv (FS_NOCOMP_FL)
1253 const_iv (FS_ENCRYPT_FL)
1254 const_iv (FS_BTREE_FL)
1255 const_iv (FS_INDEX_FL)
1256 const_iv (FS_JOURNAL_DATA_FL)
1257 const_iv (FS_NOTAIL_FL)
1258 const_iv (FS_DIRSYNC_FL)
1259 const_iv (FS_TOPDIR_FL)
1260 const_iv (FS_FL_USER_MODIFIABLE)
1261
1262 const_iv (FS_XFLAG_REALTIME)
1263 const_iv (FS_XFLAG_PREALLOC)
1264 const_iv (FS_XFLAG_IMMUTABLE)
1265 const_iv (FS_XFLAG_APPEND)
1266 const_iv (FS_XFLAG_SYNC)
1267 const_iv (FS_XFLAG_NOATIME)
1268 const_iv (FS_XFLAG_NODUMP)
1269 const_iv (FS_XFLAG_RTINHERIT)
1270 const_iv (FS_XFLAG_PROJINHERIT)
1271 const_iv (FS_XFLAG_NOSYMLINKS)
1272 const_iv (FS_XFLAG_EXTSIZE)
1273 const_iv (FS_XFLAG_EXTSZINHERIT)
1274 const_iv (FS_XFLAG_NODEFRAG)
1275 const_iv (FS_XFLAG_FILESTREAM)
1276 const_iv (FS_XFLAG_DAX)
1277 const_iv (FS_XFLAG_HASATTR)
1278
1279 const_iv (FIEMAP_FLAG_SYNC)
1280 const_iv (FIEMAP_FLAG_XATTR)
1281 const_iv (FIEMAP_FLAGS_COMPAT)
1282 const_iv (FIEMAP_EXTENT_LAST)
1283 const_iv (FIEMAP_EXTENT_UNKNOWN)
1284 const_iv (FIEMAP_EXTENT_DELALLOC)
1285 const_iv (FIEMAP_EXTENT_ENCODED)
1286 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1287 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1288 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1289 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1290 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1291 const_iv (FIEMAP_EXTENT_MERGED)
1292 const_iv (FIEMAP_EXTENT_SHARED)
1293
1294 const_iv (SPLICE_F_MOVE)
1295 const_iv (SPLICE_F_NONBLOCK)
1296 const_iv (SPLICE_F_MORE)
1297 const_iv (SPLICE_F_GIFT)
1298
1299 const_iv (EFD_CLOEXEC)
1300 const_iv (EFD_NONBLOCK)
1301 const_iv (EFD_SEMAPHORE)
1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1307 const_iv (CLOCK_REALTIME)
1308 const_iv (CLOCK_MONOTONIC)
1309 const_iv (CLOCK_BOOTTIME)
1310 const_iv (CLOCK_REALTIME_ALARM)
1311 const_iv (CLOCK_BOOTTIME_ALARM)
1312
1313 const_iv (TFD_NONBLOCK)
1314 const_iv (TFD_CLOEXEC)
1315
1316 const_iv (TFD_TIMER_ABSTIME)
1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1318
1319 const_iv (STATX_TYPE)
1320 const_iv (STATX_MODE)
1321 const_iv (STATX_NLINK)
1322 const_iv (STATX_UID)
1323 const_iv (STATX_GID)
1324 const_iv (STATX_ATIME)
1325 const_iv (STATX_MTIME)
1326 const_iv (STATX_CTIME)
1327 const_iv (STATX_INO)
1328 const_iv (STATX_SIZE)
1329 const_iv (STATX_BLOCKS)
1330 const_iv (STATX_BASIC_STATS)
1331 const_iv (STATX_ALL)
1332 const_iv (STATX_BTIME)
1333 const_iv (STATX_ATTR_COMPRESSED)
1334 const_iv (STATX_ATTR_IMMUTABLE)
1335 const_iv (STATX_ATTR_APPEND)
1336 const_iv (STATX_ATTR_NODUMP)
1337 const_iv (STATX_ATTR_ENCRYPTED)
1338 const_iv (STATX_ATTR_AUTOMOUNT)
1339
1340 const_iv (AT_FDCWD)
1341 const_iv (AT_SYMLINK_NOFOLLOW)
1342 const_iv (AT_EACCESS)
1343 const_iv (AT_REMOVEDIR)
1344 const_iv (AT_SYMLINK_FOLLOW)
1345 const_iv (AT_NO_AUTOMOUNT)
1346 const_iv (AT_EMPTY_PATH)
1347 const_iv (AT_STATX_SYNC_TYPE)
1348 const_iv (AT_STATX_AS_STAT)
1349 const_iv (AT_STATX_FORCE_SYNC)
1350 const_iv (AT_STATX_DONT_SYNC)
1351 const_iv (AT_RECURSIVE)
1352
1353 const_iv (OPEN_TREE_CLONE)
1354
1355 const_iv (MOVE_MOUNT_F_SYMLINKS)
1356 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1357 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1358 const_iv (MOVE_MOUNT_T_SYMLINKS)
1359 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1360 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1361
1362 /* these are libeio constants, and are independent of gendef0 */
1363 const_eio (SEEK_SET)
1364 const_eio (SEEK_CUR)
1365 const_eio (SEEK_END)
1366
734 const_iv (MCL_FUTURE) 1367 const_eio (MCL_FUTURE)
735 const_iv (MCL_CURRENT) 1368 const_eio (MCL_CURRENT)
1369 const_eio (MCL_ONFAULT)
736 1370
737 const_eio (MS_ASYNC) 1371 const_eio (MS_ASYNC)
738 const_eio (MS_INVALIDATE) 1372 const_eio (MS_INVALIDATE)
739 const_eio (MS_SYNC) 1373 const_eio (MS_SYNC)
740 1374
741 const_eio (MT_MODIFY) 1375 const_eio (MT_MODIFY)
742 1376
743 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1377 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
744 const_eio (SYNC_FILE_RANGE_WRITE) 1378 const_eio (SYNC_FILE_RANGE_WRITE)
745 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1379 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1380
1381 const_eio (FALLOC_FL_KEEP_SIZE)
1382 const_eio (FALLOC_FL_PUNCH_HOLE)
1383 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1384 const_eio (FALLOC_FL_ZERO_RANGE)
1385 const_eio (FALLOC_FL_INSERT_RANGE)
1386 const_eio (FALLOC_FL_UNSHARE_RANGE)
1387
1388 const_eio (RENAME_NOREPLACE)
1389 const_eio (RENAME_EXCHANGE)
1390 const_eio (RENAME_WHITEOUT)
746 1391
747 const_eio (READDIR_DENTS) 1392 const_eio (READDIR_DENTS)
748 const_eio (READDIR_DIRS_FIRST) 1393 const_eio (READDIR_DIRS_FIRST)
749 const_eio (READDIR_STAT_ORDER) 1394 const_eio (READDIR_STAT_ORDER)
750 const_eio (READDIR_FOUND_UNKNOWN) 1395 const_eio (READDIR_FOUND_UNKNOWN)
… …
761 }; 1406 };
762 1407
763 aio_stash = gv_stashpv ("IO::AIO" , 1); 1408 aio_stash = gv_stashpv ("IO::AIO" , 1);
764 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1409 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
765 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1410 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1411 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
766 1412
767 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1413 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
768 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1414 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
769 1415
770 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1416 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
771 1417
772 create_respipe (); 1418 /* allocate dummy pipe fd for aio_close */
1419 {
1420 int pipefd [2];
773 1421
774 if (eio_init (want_poll, done_poll) < 0) 1422 if (
775 croak ("IO::AIO: unable to initialise eio library"); 1423#ifdef _WIN32
1424 _pipe (pipefd, 1, _O_BINARY) < 0
1425#else
1426 pipe (pipefd) < 0
1427 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1428#endif
1429 || close (pipefd [1]) < 0
1430 )
1431 croak ("IO::AIO: unable to create dummy pipe for aio_close");
776 1432
777 /* atfork child called in fifo order, so before eio's handler */ 1433 close_fd = pipefd [0];
778 X_THREAD_ATFORK (0, 0, atfork_child); 1434 }
779}
780 1435
1436 reinit ();
1437}
1438
781void 1439void
1440reinit ()
1441 PROTOTYPE:
1442
1443void
782max_poll_reqs (int nreqs) 1444max_poll_reqs (unsigned int nreqs)
783 PROTOTYPE: $ 1445 PROTOTYPE: $
784 CODE: 1446 CODE:
785 eio_set_max_poll_reqs (nreqs); 1447 eio_set_max_poll_reqs (nreqs);
786 1448
787void 1449void
… …
789 PROTOTYPE: $ 1451 PROTOTYPE: $
790 CODE: 1452 CODE:
791 eio_set_max_poll_time (nseconds); 1453 eio_set_max_poll_time (nseconds);
792 1454
793void 1455void
794min_parallel (int nthreads) 1456min_parallel (unsigned int nthreads)
795 PROTOTYPE: $ 1457 PROTOTYPE: $
796 CODE: 1458 CODE:
797 eio_set_min_parallel (nthreads); 1459 eio_set_min_parallel (nthreads);
798 1460
799void 1461void
800max_parallel (int nthreads) 1462max_parallel (unsigned int nthreads)
801 PROTOTYPE: $ 1463 PROTOTYPE: $
802 CODE: 1464 CODE:
803 eio_set_max_parallel (nthreads); 1465 eio_set_max_parallel (nthreads);
804 1466
805void 1467void
806max_idle (int nthreads) 1468max_idle (unsigned int nthreads)
807 PROTOTYPE: $ 1469 PROTOTYPE: $
808 CODE: 1470 CODE:
809 eio_set_max_idle (nthreads); 1471 eio_set_max_idle (nthreads);
810 1472
811void 1473void
1474idle_timeout (unsigned int seconds)
1475 PROTOTYPE: $
1476 CODE:
1477 eio_set_idle_timeout (seconds);
1478
1479void
812max_outstanding (int maxreqs) 1480max_outstanding (unsigned int maxreqs)
813 PROTOTYPE: $ 1481 PROTOTYPE: $
814 CODE: 1482 CODE:
815 max_outstanding = maxreqs; 1483 max_outstanding = maxreqs;
816 1484
817void 1485void
818aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1486aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
819 PROTOTYPE: $$$;$
820 PPCODE: 1487 PPCODE:
821{ 1488{
822 dREQ; 1489 dREQ;
823 1490
1491 req->type = EIO_WD_OPEN;
1492 req_set_path1 (req, pathname);
1493
1494 REQ_SEND;
1495}
1496
1497void
1498aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1499 PPCODE:
1500{
1501 dREQ;
1502
824 req->type = EIO_OPEN; 1503 req->type = EIO_OPEN;
825 req->sv1 = newSVsv (pathname); 1504 req_set_path1 (req, pathname);
826 req->ptr1 = SvPVbyte_nolen (req->sv1);
827 req->int1 = flags; 1505 req->int1 = flags;
828 req->int2 = mode; 1506 req->int2 = mode;
829 1507
830 REQ_SEND; 1508 REQ_SEND;
831} 1509}
832 1510
833void 1511void
834aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1512aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
835 PROTOTYPE: $;$
836 ALIAS: 1513 ALIAS:
837 aio_fsync = EIO_FSYNC 1514 aio_fsync = EIO_FSYNC
838 aio_fdatasync = EIO_FDATASYNC 1515 aio_fdatasync = EIO_FDATASYNC
1516 aio_syncfs = EIO_SYNCFS
839 PPCODE: 1517 PPCODE:
840{ 1518{
841 int fd = s_fileno_croak (fh, 0); 1519 int fd = s_fileno_croak (fh, 0);
842 dREQ; 1520 dREQ;
843 1521
844 req->type = ix; 1522 req->type = ix;
845 req->sv1 = newSVsv (fh); 1523 req->sv1 = newSVsv (fh);
846 req->int1 = fd; 1524 req->int1 = fd;
847 1525
848 REQ_SEND (req); 1526 REQ_SEND;
849} 1527}
850 1528
851void 1529void
852aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1530aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
853 PROTOTYPE: $$$$;$
854 PPCODE: 1531 PPCODE:
855{ 1532{
856 int fd = s_fileno_croak (fh, 0); 1533 int fd = s_fileno_croak (fh, 0);
857 dREQ; 1534 dREQ;
858 1535
859 req->type = EIO_SYNC_FILE_RANGE; 1536 req->type = EIO_SYNC_FILE_RANGE;
860 req->sv1 = newSVsv (fh); 1537 req->sv1 = newSVsv (fh);
861 req->int1 = fd; 1538 req->int1 = fd;
862 req->offs = offset; 1539 req->offs = offset;
863 req->size = nbytes; 1540 req->size = nbytes;
864 req->int2 = flags; 1541 req->int2 = flags;
865 1542
866 REQ_SEND (req); 1543 REQ_SEND;
867} 1544}
868 1545
869void 1546void
870aio_close (SV *fh, SV *callback=&PL_sv_undef) 1547aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
871 PROTOTYPE: $;$
872 PPCODE: 1548 PPCODE:
873{ 1549{
874 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875 int fd = s_fileno_croak (fh, 0); 1550 int fd = s_fileno_croak (fh, 0);
876 dREQ; 1551 dREQ;
877 1552
878 if (close_pipe < 0) 1553 req->type = EIO_FALLOCATE;
1554 req->sv1 = newSVsv (fh);
1555 req->int1 = fd;
1556 req->int2 = mode;
1557 req->offs = offset;
1558 req->size = len;
1559
1560 REQ_SEND;
1561}
1562
1563void
1564aio_close (SV *fh, SV *callback = &PL_sv_undef)
1565 PPCODE:
1566{
1567 int fd = s_fileno_croak (fh, 0);
1568 dREQ;
1569#if 0
1570 /* partially duplicate logic in s_fileno */
1571 SvGETMAGIC (fh);
1572
1573 if (SvROK (fh))
1574 {
1575 fh = SvRV (fh);
1576 SvGETMAGIC (fh);
1577 }
1578
1579 if (SvTYPE (fh) == SVt_PVGV)
879 { 1580 {
880 int pipefd [2]; 1581 /* perl filehandle */
1582 PerlIOUnix_refcnt_inc (fd);
1583 do_close ((GV *)fh, 1);
881 1584
882 if (pipe (pipefd) < 0 1585 req->type = EIO_CLOSE;
883 || close (pipefd [1]) < 0 1586 req->int1 = fd;
884 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1587 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
885 abort (); /*D*/
886
887 close_pipe = pipefd [0];
888 } 1588 }
889 1589 else
1590#endif
1591 {
1592 /* fd number */
890 req->type = EIO_DUP2; 1593 req->type = EIO_DUP2;
891 req->int1 = close_pipe; 1594 req->int1 = close_fd;
1595 req->sv2 = newSVsv (fh);
1596 req->int2 = fd;
1597 }
1598
1599 REQ_SEND;
1600}
1601
1602void
1603aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1604 PPCODE:
1605{
1606 int fd = s_fileno_croak (fh, 0);
1607 dREQ;
1608
1609 req->type = EIO_SEEK;
892 req->sv2 = newSVsv (fh); 1610 req->sv1 = newSVsv (fh);
893 req->int2 = fd; 1611 req->int1 = fd;
1612 req->offs = SvVAL64 (offset);
1613 req->int2 = whence;
894 1614
895 REQ_SEND (req); 1615 REQ_SEND;
896} 1616}
897 1617
898void 1618void
899aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1619aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
900 ALIAS: 1620 ALIAS:
901 aio_read = EIO_READ 1621 aio_read = EIO_READ
902 aio_write = EIO_WRITE 1622 aio_write = EIO_WRITE
903 PROTOTYPE: $$$$$;$
904 PPCODE: 1623 PPCODE:
905{ 1624{
906 STRLEN svlen; 1625 STRLEN svlen;
907 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1626 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908 char *svptr = SvPVbyte (data, svlen); 1627 char *svptr = SvPVbyte (data, svlen);
… …
921 len = svlen - dataoffset; 1640 len = svlen - dataoffset;
922 } 1641 }
923 else 1642 else
924 { 1643 {
925 /* read: check type and grow scalar as necessary */ 1644 /* read: check type and grow scalar as necessary */
926 SvUPGRADE (data, SVt_PV); 1645 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
927 svptr = SvGROW (data, len + dataoffset + 1); 1646 svptr = sv_grow (data, len + dataoffset + 1);
1647 else if (SvCUR (data) < len + dataoffset)
1648 croak ("length + dataoffset outside of scalar, and cannot grow");
928 } 1649 }
929 1650
930 { 1651 {
931 dREQ; 1652 dREQ;
932 1653
… …
948 REQ_SEND; 1669 REQ_SEND;
949 } 1670 }
950} 1671}
951 1672
952void 1673void
953aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1674aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
954 PROTOTYPE: $$;$ 1675 ALIAS:
1676 aio_ioctl = EIO_IOCTL
1677 aio_fcntl = EIO_FCNTL
955 PPCODE: 1678 PPCODE:
956{ 1679{
957 SV *data; 1680 int fd = s_fileno_croak (fh, 0);
1681 char *svptr;
1682
1683 if (SvPOK (arg) || !SvNIOK (arg))
1684 {
1685 STRLEN svlen;
1686 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1687#ifdef IOCPARM_LEN
1688 STRLEN need = IOCPARM_LEN (request);
1689#else
1690 STRLEN need = 256;
1691#endif
1692
1693 if (svlen < need)
1694 svptr = SvGROW (arg, need);
1695 }
1696 else
1697 svptr = (char *)SvIV (arg);
1698
1699 {
1700 dREQ;
1701
1702 req->type = ix;
1703 req->sv1 = newSVsv (fh);
1704 req->int1 = fd;
1705 req->int2 = (long)request;
1706 req->sv2 = SvREFCNT_inc (arg);
1707 req->ptr2 = svptr;
1708
1709 REQ_SEND;
1710 }
1711}
1712
1713void
1714aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1715 ALIAS:
1716 aio_readlink = EIO_READLINK
1717 aio_realpath = EIO_REALPATH
1718 PPCODE:
1719{
958 dREQ; 1720 dREQ;
959 1721
960 req->type = EIO_READLINK; 1722 req->type = ix;
961 req->sv1 = newSVsv (path); 1723 req_set_path1 (req, pathname);
962 req->ptr1 = SvPVbyte_nolen (req->sv1);
963 1724
964 REQ_SEND; 1725 REQ_SEND;
965} 1726}
966 1727
967void 1728void
968aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1729aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
969 PROTOTYPE: $$$$;$
970 PPCODE: 1730 PPCODE:
971{ 1731{
972 int ifd = s_fileno_croak (in_fh , 0); 1732 int ifd = s_fileno_croak (in_fh , 0);
973 int ofd = s_fileno_croak (out_fh, 1); 1733 int ofd = s_fileno_croak (out_fh, 1);
974 dREQ; 1734 dREQ;
975 1735
976 req->type = EIO_SENDFILE; 1736 req->type = EIO_SENDFILE;
977 req->sv1 = newSVsv (out_fh); 1737 req->sv1 = newSVsv (out_fh);
978 req->int1 = ofd; 1738 req->int1 = ofd;
… …
983 1743
984 REQ_SEND; 1744 REQ_SEND;
985} 1745}
986 1746
987void 1747void
988aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1748aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
989 PROTOTYPE: $$$;$
990 PPCODE: 1749 PPCODE:
991{ 1750{
992 int fd = s_fileno_croak (fh, 0); 1751 int fd = s_fileno_croak (fh, 0);
993 dREQ; 1752 dREQ;
994 1753
995 req->type = EIO_READAHEAD; 1754 req->type = EIO_READAHEAD;
996 req->sv1 = newSVsv (fh); 1755 req->sv1 = newSVsv (fh);
997 req->int1 = fd; 1756 req->int1 = fd;
… …
1000 1759
1001 REQ_SEND; 1760 REQ_SEND;
1002} 1761}
1003 1762
1004void 1763void
1005aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1764aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1006 ALIAS: 1765 ALIAS:
1007 aio_stat = EIO_STAT 1766 aio_stat = EIO_STAT
1008 aio_lstat = EIO_LSTAT 1767 aio_lstat = EIO_LSTAT
1009 aio_statvfs = EIO_STATVFS 1768 aio_statvfs = EIO_STATVFS
1010 PPCODE: 1769 PPCODE:
1011{ 1770{
1012 dREQ; 1771 dREQ;
1013 1772
1014 req->sv1 = newSVsv (fh_or_path); 1773 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1015
1016 if (SvPOK (req->sv1))
1017 {
1018 req->type = ix;
1019 req->ptr1 = SvPVbyte_nolen (req->sv1);
1020 }
1021 else
1022 {
1023 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1024 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1025 }
1026 1774
1027 REQ_SEND; 1775 REQ_SEND;
1028} 1776}
1029 1777
1030void 1778void
1779st_xtime ()
1780 ALIAS:
1781 st_atime = 0x01
1782 st_mtime = 0x02
1783 st_ctime = 0x04
1784 st_btime = 0x08
1785 st_xtime = 0x0f
1786 PPCODE:
1787 EXTEND (SP, 4);
1788 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1789 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1790 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1791 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1792
1793void
1794st_xtimensec ()
1795 ALIAS:
1796 st_atimensec = 0x01
1797 st_mtimensec = 0x02
1798 st_ctimensec = 0x04
1799 st_btimensec = 0x08
1800 st_xtimensec = 0x0f
1801 st_btimesec = 0x10
1802 st_gen = 0x20
1803 PPCODE:
1804 EXTEND (SP, 4);
1805 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1806 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1807 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1808 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1809 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1810 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1811
1812UV
1813major (UV dev)
1814 ALIAS:
1815 minor = 1
1816 CODE:
1817 RETVAL = ix ? minor (dev) : major (dev);
1818 OUTPUT:
1819 RETVAL
1820
1821UV
1822makedev (UV maj, UV min)
1823 CODE:
1824 RETVAL = makedev (maj, min);
1825 OUTPUT:
1826 RETVAL
1827
1828void
1031aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1829aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1032 PPCODE: 1830 PPCODE:
1033{ 1831{
1034 dREQ; 1832 dREQ;
1035 1833
1036 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1834 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1037 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1835 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1038 req->sv1 = newSVsv (fh_or_path); 1836 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1039
1040 if (SvPOK (req->sv1))
1041 {
1042 req->type = EIO_UTIME;
1043 req->ptr1 = SvPVbyte_nolen (req->sv1);
1044 }
1045 else
1046 {
1047 req->type = EIO_FUTIME;
1048 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1049 }
1050 1837
1051 REQ_SEND; 1838 REQ_SEND;
1052} 1839}
1053 1840
1054void 1841void
1055aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1842aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1056 PPCODE: 1843 PPCODE:
1057{ 1844{
1058 dREQ; 1845 dREQ;
1059 1846
1060 req->sv1 = newSVsv (fh_or_path);
1061 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1847 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1062 1848 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1063 if (SvPOK (req->sv1))
1064 {
1065 req->type = EIO_TRUNCATE;
1066 req->ptr1 = SvPVbyte_nolen (req->sv1);
1067 }
1068 else
1069 {
1070 req->type = EIO_FTRUNCATE;
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 }
1073 1849
1074 REQ_SEND; 1850 REQ_SEND;
1075} 1851}
1076 1852
1077void 1853void
1078aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1854aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1079 ALIAS:
1080 aio_chmod = EIO_CHMOD
1081 aio_mkdir = EIO_MKDIR
1082 PPCODE: 1855 PPCODE:
1083{ 1856{
1084 dREQ; 1857 dREQ;
1085 1858
1086 req->int2 = mode; 1859 req->int2 = mode;
1087 req->sv1 = newSVsv (fh_or_path); 1860 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1088
1089 if (SvPOK (req->sv1))
1090 {
1091 req->type = ix;
1092 req->ptr1 = SvPVbyte_nolen (req->sv1);
1093 }
1094 else
1095 {
1096 req->type = EIO_FCHMOD;
1097 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1098 }
1099 1861
1100 REQ_SEND; 1862 REQ_SEND;
1101} 1863}
1102 1864
1103void 1865void
1104aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1866aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1105 PPCODE: 1867 PPCODE:
1106{ 1868{
1107 dREQ; 1869 dREQ;
1108 1870
1109 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1871 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1110 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1872 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1111 req->sv1 = newSVsv (fh_or_path); 1873 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1112
1113 if (SvPOK (req->sv1))
1114 {
1115 req->type = EIO_CHOWN;
1116 req->ptr1 = SvPVbyte_nolen (req->sv1);
1117 }
1118 else
1119 {
1120 req->type = EIO_FCHOWN;
1121 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1122 }
1123 1874
1124 REQ_SEND; 1875 REQ_SEND;
1125} 1876}
1126 1877
1127void 1878void
1128aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1879aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1129 PPCODE: 1880 PPCODE:
1130{ 1881{
1131 dREQ; 1882 dREQ;
1132 1883
1133 req->type = EIO_READDIR; 1884 req->type = EIO_READDIR;
1134 req->sv1 = newSVsv (pathname);
1135 req->ptr1 = SvPVbyte_nolen (req->sv1);
1136 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1885 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1137 1886
1138 if (flags & EIO_READDIR_DENTS) 1887 if (flags & EIO_READDIR_DENTS)
1139 req->int1 |= EIO_READDIR_CUSTOM2; 1888 req->int1 |= EIO_READDIR_CUSTOM2;
1140 1889
1890 req_set_path1 (req, pathname);
1891
1141 REQ_SEND; 1892 REQ_SEND;
1142} 1893}
1143 1894
1144void 1895void
1896aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1897 PPCODE:
1898{
1899 dREQ;
1900
1901 req->type = EIO_MKDIR;
1902 req->int2 = mode;
1903 req_set_path1 (req, pathname);
1904
1905 REQ_SEND;
1906}
1907
1908void
1145aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1909aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1146 ALIAS: 1910 ALIAS:
1147 aio_unlink = EIO_UNLINK 1911 aio_unlink = EIO_UNLINK
1148 aio_rmdir = EIO_RMDIR 1912 aio_rmdir = EIO_RMDIR
1149 aio_readdir = EIO_READDIR 1913 aio_readdir = EIO_READDIR
1150 PPCODE: 1914 PPCODE:
1151{ 1915{
1152 dREQ; 1916 dREQ;
1153 1917
1154 req->type = ix; 1918 req->type = ix;
1155 req->sv1 = newSVsv (pathname); 1919 req_set_path1 (req, pathname);
1156 req->ptr1 = SvPVbyte_nolen (req->sv1);
1157 1920
1158 REQ_SEND; 1921 REQ_SEND;
1159} 1922}
1160 1923
1161void 1924void
1162aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1925aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1163 ALIAS: 1926 ALIAS:
1164 aio_link = EIO_LINK 1927 aio_link = EIO_LINK
1165 aio_symlink = EIO_SYMLINK 1928 aio_symlink = EIO_SYMLINK
1166 aio_rename = EIO_RENAME 1929 aio_rename = EIO_RENAME
1167 PPCODE: 1930 PPCODE:
1168{ 1931{
1932 eio_wd wd2 = 0;
1169 dREQ; 1933 dREQ;
1170 1934
1171 req->type = ix; 1935 req->type = ix;
1172 req->sv1 = newSVsv (oldpath); 1936 req_set_path1 (req, oldpath);
1173 req->ptr1 = SvPVbyte_nolen (req->sv1); 1937 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1174 req->sv2 = newSVsv (newpath); 1938 req->int3 = (long)wd2;
1175 req->ptr2 = SvPVbyte_nolen (req->sv2);
1176 1939
1177 REQ_SEND; 1940 REQ_SEND;
1178} 1941}
1179 1942
1180void 1943void
1944aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1945 PPCODE:
1946{
1947 eio_wd wd2 = 0;
1948 dREQ;
1949
1950 req->type = EIO_RENAME;
1951 req_set_path1 (req, oldpath);
1952 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1953 req->int2 = flags;
1954 req->int3 = (long)wd2;
1955
1956 REQ_SEND;
1957}
1958
1959void
1181aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1960aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1182 PPCODE: 1961 PPCODE:
1183{ 1962{
1184 dREQ; 1963 dREQ;
1185 1964
1186 req->type = EIO_MKNOD; 1965 req->type = EIO_MKNOD;
1187 req->sv1 = newSVsv (pathname);
1188 req->ptr1 = SvPVbyte_nolen (req->sv1);
1189 req->int2 = (mode_t)mode; 1966 req->int2 = (mode_t)mode;
1190 req->offs = dev; 1967 req->offs = dev;
1968 req_set_path1 (req, pathname);
1191 1969
1192 REQ_SEND; 1970 REQ_SEND;
1193} 1971}
1194 1972
1195void 1973void
1196aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1974aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1197 ALIAS: 1975 ALIAS:
1198 aio_mtouch = EIO_MTOUCH 1976 aio_mtouch = EIO_MTOUCH
1199 aio_msync = EIO_MSYNC 1977 aio_msync = EIO_MSYNC
1200 PROTOTYPE: $$$$;$
1201 PPCODE: 1978 PPCODE:
1202{ 1979{
1203 STRLEN svlen; 1980 STRLEN svlen;
1981 char *svptr = SvPVbyte (data, svlen);
1204 UV len = SvUV (length); 1982 UV len = SvUV (length);
1205 char *svptr = SvPVbyte (data, svlen); 1983
1984 if (flags < 0)
1985 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1206 1986
1207 if (offset < 0) 1987 if (offset < 0)
1208 offset += svlen; 1988 offset += svlen;
1209 1989
1210 if (offset < 0 || offset > svlen) 1990 if (offset < 0 || offset > svlen)
… …
1215 1995
1216 { 1996 {
1217 dREQ; 1997 dREQ;
1218 1998
1219 req->type = ix; 1999 req->type = ix;
1220 req->size = len;
1221 req->sv2 = SvREFCNT_inc (data); 2000 req->sv2 = SvREFCNT_inc (data);
1222 req->ptr2 = (char *)svptr + offset; 2001 req->ptr2 = (char *)svptr + offset;
2002 req->size = len;
1223 req->int1 = flags; 2003 req->int1 = flags;
1224 2004
1225 REQ_SEND; 2005 REQ_SEND;
1226 } 2006 }
1227} 2007}
1228 2008
1229void 2009void
2010aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2011 PPCODE:
2012{
2013 STRLEN svlen;
2014 char *svptr = SvPVbyte (data, svlen);
2015 UV len = SvUV (length);
2016
2017 if (offset < 0)
2018 offset += svlen;
2019
2020 if (offset < 0 || offset > svlen)
2021 croak ("offset outside of scalar");
2022
2023 if (!SvOK (length) || len + offset > svlen)
2024 len = svlen - offset;
2025
2026 {
2027 dREQ;
2028
2029 req->type = EIO_MLOCK;
2030 req->sv2 = SvREFCNT_inc (data);
2031 req->ptr2 = (char *)svptr + offset;
2032 req->size = len;
2033
2034 REQ_SEND;
2035 }
2036}
2037
2038void
2039aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2040 PPCODE:
2041{
2042 dREQ;
2043
2044 req->type = EIO_MLOCKALL;
2045 req->int1 = flags;
2046
2047 REQ_SEND;
2048}
2049
2050void
2051aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2052 PPCODE:
2053{
2054 int fd = s_fileno_croak (fh, 0);
2055 dREQ;
2056
2057 req->type = EIO_CUSTOM;
2058 req->sv1 = newSVsv (fh);
2059 req->int1 = fd;
2060
2061 req->feed = fiemap;
2062#if HAVE_FIEMAP
2063 /* keep our fingers crossed that the next two types are 64 bit */
2064 req->offs = start;
2065 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2066 req->int2 = flags;
2067 req->int3 = SvOK (count) ? SvIV (count) : -1;
2068#endif
2069
2070 REQ_SEND;
2071}
2072
2073void
2074aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2075 PPCODE:
2076{
2077 char *svptr = 0;
2078
2079 sv_clear_foreign (data);
2080
2081 if (length) /* known length, directly read into scalar */
2082 {
2083 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2084 svptr = sv_grow (data, length + 1);
2085 else if (SvCUR (data) < length)
2086 croak ("length outside of scalar, and cannot grow");
2087 else
2088 svptr = SvPVbyte_nolen (data);
2089 }
2090
2091 {
2092 dREQ;
2093
2094 req->type = EIO_SLURP;
2095 req_set_path1 (req, pathname);
2096 req->offs = offset;
2097 req->size = length;
2098 req->sv2 = SvREFCNT_inc (data);
2099 req->ptr2 = svptr;
2100
2101 if (!SvREADONLY (data))
2102 {
2103 SvREADONLY_on (data);
2104 req->flags |= FLAG_SV2_RO_OFF;
2105 }
2106
2107 REQ_SEND;
2108 }
2109}
2110
2111void
1230aio_busy (double delay, SV *callback=&PL_sv_undef) 2112aio_busy (double delay, SV *callback = &PL_sv_undef)
1231 PPCODE: 2113 PPCODE:
1232{ 2114{
1233 dREQ; 2115 dREQ;
1234 2116
1235 req->type = EIO_BUSY; 2117 req->type = EIO_BUSY;
… …
1237 2119
1238 REQ_SEND; 2120 REQ_SEND;
1239} 2121}
1240 2122
1241void 2123void
1242aio_group (SV *callback=&PL_sv_undef) 2124aio_group (SV *callback = &PL_sv_undef)
1243 PROTOTYPE: ;$
1244 PPCODE: 2125 PPCODE:
1245{ 2126{
1246 dREQ; 2127 dREQ;
1247 2128
1248 req->type = EIO_GROUP; 2129 req->type = EIO_GROUP;
1249 2130
2131 PUTBACK;
1250 req_submit (req); 2132 req_submit (req);
2133 SPAGAIN;
2134
1251 XPUSHs (req_sv (req, aio_grp_stash)); 2135 XPUSHs (req_sv (req, aio_grp_stash));
1252} 2136}
1253 2137
1254void 2138void
1255aio_nop (SV *callback=&PL_sv_undef) 2139aio_nop (SV *callback = &PL_sv_undef)
1256 ALIAS: 2140 ALIAS:
1257 aio_nop = EIO_NOP 2141 aio_nop = EIO_NOP
1258 aio_sync = EIO_SYNC 2142 aio_sync = EIO_SYNC
1259 PPCODE: 2143 PPCODE:
1260{ 2144{
… …
1264 2148
1265 REQ_SEND; 2149 REQ_SEND;
1266} 2150}
1267 2151
1268int 2152int
1269aioreq_pri (int pri = 0) 2153aioreq_pri (int pri = NO_INIT)
1270 PROTOTYPE: ;$
1271 CODE: 2154 CODE:
1272 RETVAL = next_pri; 2155 RETVAL = next_pri;
1273 if (items > 0) 2156 if (items > 0)
1274 { 2157 {
1275 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2158 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1287 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2170 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288 next_pri = nice; 2171 next_pri = nice;
1289 2172
1290void 2173void
1291flush () 2174flush ()
1292 PROTOTYPE:
1293 CODE: 2175 CODE:
1294 while (eio_nreqs ()) 2176 while (eio_nreqs ())
1295 { 2177 {
1296 poll_wait (); 2178 poll_wait ();
1297 poll_cb (); 2179 poll_cb ();
1298 } 2180 }
1299 2181
1300int 2182int
1301poll() 2183poll ()
1302 PROTOTYPE:
1303 CODE: 2184 CODE:
1304 poll_wait (); 2185 poll_wait ();
1305 RETVAL = poll_cb (); 2186 RETVAL = poll_cb ();
1306 OUTPUT: 2187 OUTPUT:
1307 RETVAL 2188 RETVAL
1308 2189
1309int 2190int
1310poll_fileno() 2191poll_fileno ()
1311 PROTOTYPE:
1312 CODE: 2192 CODE:
1313 RETVAL = s_epipe_fd (&respipe); 2193 RETVAL = s_epipe_fd (&respipe);
1314 OUTPUT: 2194 OUTPUT:
1315 RETVAL 2195 RETVAL
1316 2196
1317int 2197int
1318poll_cb(...) 2198poll_cb (...)
1319 PROTOTYPE: 2199 PROTOTYPE:
1320 CODE: 2200 CODE:
1321 RETVAL = poll_cb (); 2201 RETVAL = poll_cb ();
1322 OUTPUT: 2202 OUTPUT:
1323 RETVAL 2203 RETVAL
1324 2204
1325void 2205void
1326poll_wait() 2206poll_wait ()
1327 PROTOTYPE:
1328 CODE: 2207 CODE:
1329 poll_wait (); 2208 poll_wait ();
1330 2209
1331int 2210int
1332nreqs() 2211nreqs ()
1333 PROTOTYPE:
1334 CODE: 2212 CODE:
1335 RETVAL = eio_nreqs (); 2213 RETVAL = eio_nreqs ();
1336 OUTPUT: 2214 OUTPUT:
1337 RETVAL 2215 RETVAL
1338 2216
1339int 2217int
1340nready() 2218nready ()
1341 PROTOTYPE:
1342 CODE: 2219 CODE:
1343 RETVAL = eio_nready (); 2220 RETVAL = eio_nready ();
1344 OUTPUT: 2221 OUTPUT:
1345 RETVAL 2222 RETVAL
1346 2223
1347int 2224int
1348npending() 2225npending ()
1349 PROTOTYPE:
1350 CODE: 2226 CODE:
1351 RETVAL = eio_npending (); 2227 RETVAL = eio_npending ();
1352 OUTPUT: 2228 OUTPUT:
1353 RETVAL 2229 RETVAL
1354 2230
1355int 2231int
1356nthreads() 2232nthreads ()
1357 PROTOTYPE:
1358 CODE: 2233 CODE:
1359 RETVAL = eio_nthreads (); 2234 RETVAL = eio_nthreads ();
1360 OUTPUT: 2235 OUTPUT:
1361 RETVAL 2236 RETVAL
1362 2237
1363int 2238int
1364fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2239fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1365 PROTOTYPE: $$$$
1366 CODE: 2240 CODE:
1367#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368 RETVAL = posix_fadvise (fh, offset, length, advice); 2241 RETVAL = posix_fadvise (fh, offset, length, advice);
1369#else
1370 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371#endif
1372 OUTPUT: 2242 OUTPUT:
1373 RETVAL 2243 RETVAL
1374 2244
1375ssize_t 2245IV
1376sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2246sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377 PROTOTYPE: $$$$
1378 CODE: 2247 CODE:
1379 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2248 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380 OUTPUT: 2249 OUTPUT:
1381 RETVAL 2250 RETVAL
1382 2251
1383void 2252void
1384mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2253mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1385 PROTOTYPE: $$$$$;$
1386 PPCODE: 2254 PPCODE:
1387 sv_unmagic (scalar, MMAP_MAGIC); 2255 sv_clear_foreign (scalar);
1388{ 2256{
1389 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2257 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2258 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1391 if (addr == (void *)-1) 2259 if (addr == (void *)-1)
1392 XSRETURN_NO; 2260 XSRETURN_NO;
1393 2261
1394 sv_force_normal (scalar); 2262 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1395
1396 /* we store the length in mg_obj, as namlen is I32 :/ */
1397 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1398 ->mg_obj = (SV *)length;
1399
1400 SvUPGRADE (scalar, SVt_PV); /* nop... */
1401 2263
1402 if (!(prot & PROT_WRITE)) 2264 if (!(prot & PROT_WRITE))
1403 SvREADONLY_on (scalar); 2265 SvREADONLY_on (scalar);
1404 2266
1405 if (SvLEN (scalar))
1406 Safefree (SvPVX (scalar));
1407
1408 SvPVX (scalar) = (char *)addr;
1409 SvCUR_set (scalar, length);
1410 SvLEN_set (scalar, 0);
1411 SvPOK_only (scalar);
1412
1413 XSRETURN_YES; 2267 XSRETURN_YES;
1414} 2268}
1415 2269
1416void 2270void
1417munmap (SV *scalar) 2271munmap (SV *scalar)
1418 PROTOTYPE: $
1419 CODE: 2272 CODE:
1420 sv_unmagic (scalar, MMAP_MAGIC); 2273 sv_clear_foreign (scalar);
2274
2275SV *
2276mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2277 CODE:
2278{
2279 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2280 void *new;
2281
2282 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2283 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2284
2285 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2286
2287 RETVAL = &PL_sv_no;
2288
2289 if (new != (void *)-1)
2290 {
2291 RETVAL = new == (void *)mg->mg_ptr
2292 ? newSVpvn ("0 but true", 10)
2293 : &PL_sv_yes;
2294
2295 mg->mg_ptr = (char *)new;
2296 mg->mg_obj = (SV *)new_length;
2297
2298 SvPVX (scalar) = mg->mg_ptr;
2299 SvCUR_set (scalar, new_length);
2300 }
2301}
2302 OUTPUT:
2303 RETVAL
2304
2305int
2306madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2307 ALIAS:
2308 mprotect = 1
2309 CODE:
2310{
2311 STRLEN svlen;
2312 void *addr = SvPVbyte (scalar, svlen);
2313 STRLEN len = SvUV (length);
2314
2315 if (offset < 0)
2316 offset += svlen;
2317
2318 if (offset < 0 || offset > svlen)
2319 croak ("offset outside of scalar");
2320
2321 if (!SvOK (length) || len + offset > svlen)
2322 len = svlen - offset;
2323
2324 addr = (void *)(((intptr_t)addr) + offset);
2325 eio_page_align (&addr, &len);
2326
2327 switch (ix)
2328 {
2329 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2330 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2331 }
2332}
2333 OUTPUT:
2334 RETVAL
2335
2336int
2337munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2338 CODE:
2339{
2340 STRLEN svlen;
2341 void *addr = SvPVbyte (scalar, svlen);
2342 size_t len = SvUV (length);
2343
2344 if (offset < 0)
2345 offset += svlen;
2346
2347 if (offset < 0 || offset > svlen)
2348 croak ("offset outside of scalar");
2349
2350 if (!SvOK (length) || len + offset > svlen)
2351 len = svlen - offset;
2352
2353 addr = (void *)(((intptr_t)addr) + offset);
2354 eio_page_align (&addr, &len);
2355#if _POSIX_MEMLOCK_RANGE
2356 RETVAL = munlock (addr, len);
2357#else
2358 RETVAL = EIO_ENOSYS ();
2359#endif
2360}
2361 OUTPUT:
2362 RETVAL
1421 2363
1422int 2364int
1423mlockall (int flags) 2365mlockall (int flags)
1424 PROTOTYPE: $ 2366 PROTOTYPE: $;
1425 CODE: 2367 CODE:
1426#if _POSIX_MEMLOCK 2368 RETVAL = eio_mlockall_sync (flags);
1427#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2369 OUTPUT:
1428 extern int mallopt (int, int);
1429 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430#endif
1431 mlockall (flags);
1432#else
1433 RETVAL = -1;
1434 errno = ENOSYS;
1435#endif
1436 OUTPUT:
1437 RETVAL 2370 RETVAL
1438 2371
1439int 2372int
1440munlockall () 2373munlockall ()
1441 PROTOTYPE:
1442 CODE: 2374 CODE:
1443#if _POSIX_MEMLOCK 2375#if _POSIX_MEMLOCK
1444 munlockall (); 2376 munlockall ();
1445#else 2377#else
1446 RETVAL = -1; 2378 RETVAL = EIO_ENOSYS ();
1447 errno = ENOSYS;
1448#endif 2379#endif
1449 OUTPUT: 2380 OUTPUT:
1450 RETVAL 2381 RETVAL
2382
2383int
2384statx (SV8 *pathname, int flags, UV mask)
2385 CODE:
2386{
2387 /* undocumented, and might go away, and anyway, should use eio_statx */
2388 SV *wdsv = 0;
2389 SV *pathsv = 0;
2390 eio_wd wd = EIO_CWD;
2391 void *ptr;
2392 int res;
2393
2394 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2395 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2396
2397 SvREFCNT_dec (pathsv);
2398 SvREFCNT_dec (wdsv);
2399}
2400 OUTPUT:
2401 RETVAL
2402
2403U32
2404stx_mode ()
2405 PROTOTYPE:
2406 CODE:
2407#if HAVE_STATX
2408 RETVAL = stx.stx_mode;
2409#else
2410 XSRETURN_UNDEF;
2411#endif
2412 OUTPUT:
2413 RETVAL
2414
2415#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2416#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2417#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2418#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2419#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2420#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2421#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2422#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2423#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2424#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2425#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2426#define STATX_OFFSET_size statx_offsetof (stx_size)
2427#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2428#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2429#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2430#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2431#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2432#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2433
2434U32
2435stx_mask ()
2436 PROTOTYPE:
2437 ALIAS:
2438 stx_mask = STATX_OFFSET_mask
2439 stx_blksize = STATX_OFFSET_blksize
2440 stx_nlink = STATX_OFFSET_nlink
2441 stx_uid = STATX_OFFSET_uid
2442 stx_gid = STATX_OFFSET_gid
2443 stx_rdev_major = STATX_OFFSET_rdev_major
2444 stx_rdev_minor = STATX_OFFSET_rdev_minor
2445 stx_dev_major = STATX_OFFSET_dev_major
2446 stx_dev_minor = STATX_OFFSET_dev_minor
2447 CODE:
2448#if HAVE_STATX
2449 RETVAL = *(__u32 *)((char *)&stx + ix);
2450#else
2451 XSRETURN_UNDEF;
2452#endif
2453 OUTPUT:
2454 RETVAL
2455
2456VAL64
2457stx_attributes ()
2458 PROTOTYPE:
2459 ALIAS:
2460 stx_attributes = STATX_OFFSET_attributes
2461 stx_ino = STATX_OFFSET_ino
2462 stx_size = STATX_OFFSET_size
2463 stx_blocks = STATX_OFFSET_blocks
2464 stx_attributes_mask = STATX_OFFSET_attributes_mask
2465 CODE:
2466#if HAVE_STATX
2467 RETVAL = *(__u64 *)((char *)&stx + ix);
2468#else
2469 XSRETURN_UNDEF;
2470#endif
2471 OUTPUT:
2472 RETVAL
2473
2474NV
2475stx_atime ()
2476 PROTOTYPE:
2477 ALIAS:
2478 stx_atime = STATX_OFFSET_atime
2479 stx_btime = STATX_OFFSET_btime
2480 stx_ctime = STATX_OFFSET_ctime
2481 stx_mtime = STATX_OFFSET_mtime
2482 CODE:
2483#if HAVE_STATX
2484 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2485 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2486#else
2487 XSRETURN_UNDEF;
2488#endif
2489 OUTPUT:
2490 RETVAL
2491
2492VAL64
2493stx_atimesec ()
2494 PROTOTYPE:
2495 ALIAS:
2496 stx_atimesec = STATX_OFFSET_atime
2497 stx_btimesec = STATX_OFFSET_btime
2498 stx_ctimesec = STATX_OFFSET_ctime
2499 stx_mtimesec = STATX_OFFSET_mtime
2500 CODE:
2501#if HAVE_STATX
2502 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2503 RETVAL = ts->tv_sec;
2504#else
2505 XSRETURN_UNDEF;
2506#endif
2507 OUTPUT:
2508 RETVAL
2509
2510U32
2511stx_atimensec ()
2512 PROTOTYPE:
2513 ALIAS:
2514 stx_atimensec = STATX_OFFSET_atime
2515 stx_btimensec = STATX_OFFSET_btime
2516 stx_ctimensec = STATX_OFFSET_ctime
2517 stx_mtimensec = STATX_OFFSET_mtime
2518 CODE:
2519#if HAVE_STATX
2520 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2521 RETVAL = ts->tv_nsec;
2522#else
2523 RETVAL = 0;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528void
2529accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2530 PPCODE:
2531{
2532 SV *retval;
2533#if HAVE_ACCEPT4
2534 socklen_t salen_ = salen ? salen + 1 : 0;
2535
2536 if (salen)
2537 {
2538 sv_upgrade (sockaddr, SVt_PV);
2539 sv_grow (sockaddr, salen_);
2540 }
2541
2542 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2543
2544 retval = newmortalFH (res, O_RDWR);
2545
2546 if (res >= 0 && salen > 0)
2547 {
2548 if (salen_ > salen + 1)
2549 salen_ = salen + 1;
2550
2551 SvPOK_only (sockaddr);
2552 SvCUR_set (sockaddr, salen_);
2553 }
2554#else
2555 errno = ENOSYS;
2556 retval = &PL_sv_undef;
2557#endif
2558 XPUSHs (retval);
2559}
2560
2561ssize_t
2562splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2563 CODE:
2564{
2565#if HAVE_LINUX_SPLICE
2566 loff_t off_in_, off_out_;
2567 RETVAL = splice (
2568 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2569 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2570 length, flags
2571 );
2572#else
2573 RETVAL = EIO_ENOSYS ();
2574#endif
2575}
2576 OUTPUT:
2577 RETVAL
2578
2579ssize_t
2580tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2581 CODE:
2582#if HAVE_LINUX_SPLICE
2583 RETVAL = tee (rfh, wfh, length, flags);
2584#else
2585 RETVAL = EIO_ENOSYS ();
2586#endif
2587 OUTPUT:
2588 RETVAL
2589
2590int
2591pipesize (aio_rfd rfh, int new_size = -1)
2592 PROTOTYPE: $;$
2593 CODE:
2594#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2595 if (new_size >= 0)
2596 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2597 else
2598 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2599#else
2600 errno = ENOSYS;
2601 RETVAL = -1;
2602#endif
2603 OUTPUT:
2604 RETVAL
2605
2606void
2607pipe2 (int flags = 0)
2608 PROTOTYPE: ;$
2609 PPCODE:
2610{
2611 int fd[2];
2612 int res;
2613
2614 if (flags)
2615#if HAVE_PIPE2
2616 res = pipe2 (fd, flags);
2617#else
2618 res = (errno = ENOSYS, -1);
2619#endif
2620 else
2621 res = pipe (fd);
2622
2623 if (!res)
2624 {
2625 EXTEND (SP, 2);
2626 PUSHs (newmortalFH (fd[0], O_RDONLY));
2627 PUSHs (newmortalFH (fd[1], O_WRONLY));
2628 }
2629}
2630
2631void
2632pidfd_open (int pid, unsigned int flags = 0)
2633 PPCODE:
2634{
2635 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2636 int fd = syscall (SYS_pidfd_open, pid, flags);
2637 XPUSHs (newmortalFH (fd, O_RDWR));
2638}
2639
2640int
2641pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2642 PPCODE:
2643{
2644 int res;
2645 siginfo_t si = { 0 };
2646
2647 if (SvOK (siginfo))
2648 {
2649 HV *hv;
2650 SV **svp;
2651
2652 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2653 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2654
2655 hv = (HV *)SvRV (siginfo);
2656
2657 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2658 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2659 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2660 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2661 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2662 }
2663
2664 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2665 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2666
2667 XPUSHs (sv_2mortal (newSViv (res)));
2668}
2669
2670void
2671pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2672 PPCODE:
2673{
2674 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2675 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2676 XPUSHs (newmortalFH (fd, O_RDWR));
2677}
2678
2679void
2680eventfd (unsigned int initval = 0, int flags = 0)
2681 PPCODE:
2682{
2683 int fd;
2684#if HAVE_EVENTFD
2685 fd = eventfd (initval, flags);
2686#else
2687 fd = (errno = ENOSYS, -1);
2688#endif
2689
2690 XPUSHs (newmortalFH (fd, O_RDWR));
2691}
2692
2693void
2694timerfd_create (int clockid, int flags = 0)
2695 PPCODE:
2696{
2697 int fd;
2698#if HAVE_TIMERFD
2699 fd = timerfd_create (clockid, flags);
2700#else
2701 fd = (errno = ENOSYS, -1);
2702#endif
2703
2704 XPUSHs (newmortalFH (fd, O_RDWR));
2705}
2706
2707void
2708timerfd_settime (SV *fh, int flags, NV interval, NV value)
2709 PPCODE:
2710{
2711 int fd = s_fileno_croak (fh, 0);
2712#if HAVE_TIMERFD
2713 int res;
2714 struct itimerspec its, ots;
2715
2716 ts_set (&its.it_interval, interval);
2717 ts_set (&its.it_value , value);
2718 res = timerfd_settime (fd, flags, &its, &ots);
2719
2720 if (!res)
2721 {
2722 EXTEND (SP, 2);
2723 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2724 PUSHs (newSVnv (ts_get (&ots.it_value)));
2725 }
2726#else
2727 errno = ENOSYS;
2728#endif
2729}
2730
2731void
2732timerfd_gettime (SV *fh)
2733 PPCODE:
2734{
2735 int fd = s_fileno_croak (fh, 0);
2736#if HAVE_TIMERFD
2737 int res;
2738 struct itimerspec ots;
2739 res = timerfd_gettime (fd, &ots);
2740
2741 if (!res)
2742 {
2743 EXTEND (SP, 2);
2744 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2745 PUSHs (newSVnv (ts_get (&ots.it_value)));
2746 }
2747#else
2748 errno = ENOSYS;
2749#endif
2750}
2751
2752void
2753memfd_create (SV8 *pathname, int flags = 0)
2754 PPCODE:
2755{
2756 int fd;
2757#if HAVE_MEMFD_CREATE
2758 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2759#else
2760 fd = (errno = ENOSYS, -1);
2761#endif
2762
2763 XPUSHs (newmortalFH (fd, O_RDWR));
2764}
2765
2766UV
2767get_fdlimit ()
2768 CODE:
2769#if HAVE_RLIMITS
2770 struct rlimit rl;
2771 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2772 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2773#endif
2774 XSRETURN_UNDEF;
2775 OUTPUT:
2776 RETVAL
2777
2778void
2779min_fdlimit (UV limit = 0x7fffffffU)
2780 CODE:
2781{
2782#if HAVE_RLIMITS
2783 struct rlimit rl;
2784 rlim_t orig_rlim_max;
2785 UV bit;
2786
2787 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2788 goto fail;
2789
2790 if (rl.rlim_cur == RLIM_INFINITY)
2791 XSRETURN_YES;
2792
2793 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2794
2795 if (rl.rlim_cur < limit)
2796 {
2797 rl.rlim_cur = limit;
2798
2799 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2800 rl.rlim_max = rl.rlim_cur;
2801 }
2802
2803 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2804 XSRETURN_YES;
2805
2806 if (errno == EPERM)
2807 {
2808 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2809 /* our limit overflows a system-wide limit */
2810 /* try an adaptive algorithm, but do not lower the hardlimit */
2811 rl.rlim_max = 0;
2812 for (bit = 0x40000000U; bit; bit >>= 1)
2813 {
2814 rl.rlim_max |= bit;
2815 rl.rlim_cur = rl.rlim_max;
2816
2817 /* never decrease the hard limit */
2818 if (rl.rlim_max < orig_rlim_max)
2819 break;
2820
2821 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2822 rl.rlim_max &= ~bit; /* too high, remove bit again */
2823 }
2824
2825 /* now, raise the soft limit to the max permitted */
2826 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2827 {
2828 rl.rlim_cur = rl.rlim_max;
2829 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2830 errno = EPERM;
2831 }
2832 }
2833#endif
2834 fail:
2835 XSRETURN_UNDEF;
2836}
1451 2837
1452void _on_next_submit (SV *cb) 2838void _on_next_submit (SV *cb)
1453 CODE: 2839 CODE:
1454 SvREFCNT_dec (on_next_submit); 2840 SvREFCNT_dec (on_next_submit);
1455 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2841 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1456 2842
1457PROTOTYPES: DISABLE 2843PROTOTYPES: DISABLE
1458 2844
2845MODULE = IO::AIO PACKAGE = IO::AIO::WD
2846
2847BOOT:
2848{
2849 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2850 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2851}
2852
2853void
2854DESTROY (SV *self)
2855 CODE:
2856{
2857 aio_wd wd = SvAIO_WD (self);
2858#if HAVE_AT
2859 {
2860 SV *callback = &PL_sv_undef;
2861 dREQ; /* clobbers next_pri :/ */
2862 next_pri = req->pri; /* restore next_pri */
2863 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2864 req->type = EIO_WD_CLOSE;
2865 req->wd = wd;
2866 REQ_SEND;
2867 }
2868#else
2869 eio_wd_close_sync (wd);
2870#endif
2871}
2872
1459MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2873MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1460 2874
1461void 2875void
1462cancel (aio_req_ornot req) 2876cancel (aio_req_ornot req)
1463 CODE: 2877 CODE:
1464 eio_cancel (req); 2878 eio_cancel (req);
1465 2879
1466void 2880void
1467cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2881cb (aio_req_ornot req, SV *callback = NO_INIT)
1468 PPCODE: 2882 PPCODE:
1469{ 2883{
1470 if (GIMME_V != G_VOID) 2884 if (GIMME_V != G_VOID)
1471 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2885 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1472 2886
1473 if (items > 1) 2887 if (items > 1)
1474 { 2888 {
1475 SV *cb_cv =get_cb (callback); 2889 SV *cb_cv = get_cb (callback);
1476 2890
1477 SvREFCNT_dec (req->callback); 2891 SvREFCNT_dec (req->callback);
1478 req->callback = SvREFCNT_inc (cb_cv); 2892 req->callback = SvREFCNT_inc (cb_cv);
1479 } 2893 }
1480} 2894}
… …
1537limit (aio_req grp, int limit) 2951limit (aio_req grp, int limit)
1538 CODE: 2952 CODE:
1539 eio_grp_limit (grp, limit); 2953 eio_grp_limit (grp, limit);
1540 2954
1541void 2955void
1542feed (aio_req grp, SV *callback=&PL_sv_undef) 2956feed (aio_req grp, SV *callback = &PL_sv_undef)
1543 CODE: 2957 CODE:
1544{ 2958{
1545 SvREFCNT_dec (grp->sv2); 2959 SvREFCNT_dec (grp->sv2);
1546 grp->sv2 = newSVsv (callback); 2960 grp->sv2 = newSVsv (callback);
1547 grp->feed = aio_grp_feed; 2961 grp->feed = aio_grp_feed;

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