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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.179 by root, Fri Jan 7 21:47:15 2011 UTC vs.
Revision 1.294 by root, Sat Apr 9 19:34:05 2022 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_MEMLOCK_RANGE || _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 <sys/wait.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
94#endif 96#endif
95 97
96/*****************************************************************************/ 98/*****************************************************************************/
97 99
98#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
104#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
158#include "schmorp.h"
159
160#if HAVE_EVENTFD
161# include <sys/eventfd.h>
162#endif
163
164#if HAVE_TIMERFD
165# include <sys/timerfd.h>
166#endif
167
168#if HAVE_RLIMITS
169 #include <sys/time.h>
170 #include <sys/resource.h>
171#endif
172
109typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
112 176
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 178
115#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
116 SV *callback; \ 180 SV *callback; \
117 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 183 STRLEN stroffset; \
119 SV *self; 184 SV *self;
120 185
121#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
122 187
123#include "libeio/config.h"
124#include "libeio/eio.h" 188#include "libeio/eio.h"
125 189
126#ifndef POSIX_FADV_NORMAL 190static int req_invoke (eio_req *req);
127# define POSIX_FADV_NORMAL 0 191#define EIO_FINISH(req) req_invoke (req)
128#endif 192static void req_destroy (eio_req *grp);
129#ifndef POSIX_FADV_SEQUENTIAL 193#define EIO_DESTROY(req) req_destroy (req)
130# define POSIX_FADV_SEQUENTIAL 0 194
131#endif 195#include "libeio/eio.c"
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
144 196
145#if !HAVE_POSIX_FADVISE 197#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 199#endif
148 200
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE 201#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
182#ifndef ST_NODEV
183# define ST_NODEV 0
184#endif
185#ifndef ST_NOEXEC
186# define ST_NOEXEC 0
187#endif
188#ifndef ST_SYNCHRONOUS
189# define ST_SYNCHRONOUS 0
190#endif
191#ifndef ST_MANDLOCK
192# define ST_MANDLOCK 0
193#endif
194#ifndef ST_WRITE
195# define ST_WRITE 0
196#endif
197#ifndef ST_APPEND
198# define ST_APPEND 0
199#endif
200#ifndef ST_IMMUTABLE
201# define ST_IMMUTABLE 0
202#endif
203#ifndef ST_NOATIME
204# define ST_NOATIME 0
205#endif
206#ifndef ST_NODIRATIME
207# define ST_NODIRATIME 0
208#endif
209#ifndef ST_RELATIME
210# define ST_RELATIME 0
211#endif 203#endif
212 204
213#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
214# ifdef MAP_ANON 206# ifdef MAP_ANON
215# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
216# else 208# else
217# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
218# endif 210# endif
219#endif 211#endif
220#ifndef MAP_HUGETLB
221# define MAP_HUGETLB 0
222#endif
223#ifndef MAP_LOCKED
224# define MAP_LOCKED 0
225#endif
226#ifndef MAP_NORESERVE
227# define MAP_NORESERVE 0
228#endif
229#ifndef MAP_POPULATE
230# define MAP_POPULATE 0
231#endif
232#ifndef MAP_NONBLOCK
233# define MAP_NONBLOCK 0
234#endif
235 212
213#ifndef makedev
214# define makedev(maj,min) (((maj) << 8) | (min))
215#endif
216#ifndef major
217# define major(dev) ((dev) >> 8)
218#endif
219#ifndef minor
220# define minor(dev) ((dev) & 0xff)
221#endif
222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
236#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
237# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
238#endif 230#endif
239 231
240static int req_invoke (eio_req *req); 232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
241#define EIO_FINISH(req) req_invoke (req) 233#ifdef __sun
242static void req_destroy (eio_req *grp); 234# undef HAVE_SYSCALL
243#define EIO_DESTROY(req) req_destroy (req) 235#endif
236
237#if HAVE_SYSCALL
238#include <sys/syscall.h>
239#else
240# define syscall(nr,...) (errno = ENOSYS, -1)
241#endif
242
243/*****************************************************************************/
244
245#if !_POSIX_MAPPED_FILES
246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
247# define munmap(addr,length) EIO_ENOSYS ()
248#endif
249
250#if !_POSIX_MEMORY_PROTECTION
251# define mprotect(addr,len,prot) EIO_ENOSYS ()
252#endif
253
254#if !MREMAP_MAYMOVE
255# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
256#endif
257
258#define FOREIGN_MAGIC PERL_MAGIC_ext
259
260static int ecb_cold
261mmap_free (pTHX_ SV *sv, MAGIC *mg)
262{
263 int old_errno = errno;
264 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
265 errno = old_errno;
266
267 mg->mg_obj = 0; /* just in case */
268
269 SvREADONLY_off (sv);
270
271 if (SvPVX (sv) != mg->mg_ptr)
272 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
273
274 SvCUR_set (sv, 0);
275 SvPVX (sv) = 0;
276 SvOK_off (sv);
277
278 return 0;
279}
280
281static MGVTBL mmap_vtbl = {
282 0, 0, 0, 0, mmap_free
283};
284
285static int ecb_cold
286sysfree_free (pTHX_ SV *sv, MAGIC *mg)
287{
288 free (mg->mg_ptr);
289 mg->mg_obj = 0; /* just in case */
290
291 SvREADONLY_off (sv);
292
293 if (SvPVX (sv) != mg->mg_ptr)
294 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
295
296 SvCUR_set (sv, 0);
297 SvPVX (sv) = 0;
298 SvOK_off (sv);
299
300 return 0;
301}
302
303static MGVTBL sysfree_vtbl = {
304 0, 0, 0, 0, sysfree_free
305};
306
307/*****************************************************************************/
308
309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
311static void
312sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
313{
314 sv_force_normal (sv);
315
316 /* we store the length in mg_obj, as namlen is I32 :/ */
317 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
318 ->mg_obj = (SV *)length;
319
320 SvUPGRADE (sv, SVt_PV); /* nop... */
321
322 if (SvLEN (sv))
323 Safefree (SvPVX (sv));
324
325 SvPVX (sv) = (char *)addr;
326 SvCUR_set (sv, length);
327 SvLEN_set (sv, 0);
328 SvPOK_only (sv);
329}
330
331static void
332sv_clear_foreign (SV *sv)
333{
334 /* todo: iterate over magic and only free ours, but of course */
335 /* the perl5porters will call that (correct) behaviour buggy */
336 sv_unmagic (sv, FOREIGN_MAGIC);
337}
338
339/*****************************************************************************/
340
341/* defines all sorts of constants to 0 unless they are already defined */
342/* also provides const_iv_ and const_niv_ macros for them */
343#include "def0.h"
344
345/*****************************************************************************/
346
347static void
348fiemap (eio_req *req)
349{
350 req->result = -1;
351
352#if HAVE_FIEMAP
353 /* assume some c99 */
354 struct fiemap *fiemap = 0;
355 size_t end_offset;
356 int count = req->int3;
357
358 req->flags |= EIO_FLAG_PTR1_FREE;
359
360 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
361 /* increase in fixed steps */
362 if (count < 0)
363 count = 8;
364
365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
366 errno = ENOMEM;
367 if (!fiemap)
368 return;
369
370 req->ptr1 = fiemap;
371
372 fiemap->fm_start = req->offs;
373 fiemap->fm_length = req->size;
374 fiemap->fm_flags = req->int2;
375 fiemap->fm_extent_count = count;
376
377 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
378 return;
379
380 if (req->int3 >= 0 /* not autosizing */
381 || !fiemap->fm_mapped_extents /* no more extents */
382 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
383 goto done;
384
385 /* else we have to loop -
386 * it would be tempting (actually I tried that first) to just query the
387 * number of extents needed, but linux often feels like not returning all
388 * extents, without telling us it left any out. this complicates
389 * this quite a bit.
390 */
391
392 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
393
394 for (;;)
395 {
396 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
397 char scratch[3072];
398 struct fiemap *incmap = (struct fiemap *)scratch;
399
400 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
401 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
402 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
403 incmap->fm_flags = fiemap->fm_flags;
404 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
405
406 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
407 return;
408
409 if (!incmap->fm_mapped_extents)
410 goto done;
411
412 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
413 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
414 errno = ENOMEM;
415 if (!fiemap)
416 return;
417
418 req->ptr1 = fiemap;
419
420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
421 {
422 struct fiemap_extent *e = incmap->fm_extents + count;
423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
426 if (e->fe_logical >= end_offset)
427 goto done;
428
429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
430 goto done;
431
432 }
433 }
434
435done:
436 req->result = 0;
437
438#else
439 errno = ENOSYS;
440#endif
441}
442
443/*****************************************************************************/
444
445static int close_fd; /* dummy fd to close fds via dup2 */
446
447#if HAVE_STATX
448static struct statx stx;
449#define statx_offsetof(member) offsetof (struct statx, member)
450#define eio__statx statx
451#else
452#define statx_offsetof(member) 0
453#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
454#endif
244 455
245enum { 456enum {
246 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
247}; 458};
248 459
249#include "libeio/eio.c"
250
251typedef eio_req *aio_req; 460typedef eio_req *aio_req;
252typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
253 463
254static SV *on_next_submit; 464static SV *on_next_submit;
255static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
256static int max_outstanding; 466static int max_outstanding;
257 467
258static s_epipe respipe; 468static s_epipe respipe;
259 469
260static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
261static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
262 472
263static void want_poll (void) 473static void
474want_poll (void)
264{ 475{
265 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
266 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
267} 478}
268 479
269static void done_poll (void) 480static void
481done_poll (void)
270{ 482{
271 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
272 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
273} 485}
274 486
275/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
276static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
277{ 491{
278 if (!req->self) 492 if (!req->self)
279 { 493 {
280 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
281 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
282 } 496 }
283 497
284 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
285} 499}
286 500
287static aio_req SvAIO_REQ (SV *sv) 501static SV *
502newSVaio_wd (aio_wd wd)
503{
504 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
505}
506
507ecb_noinline
508static aio_req
509SvAIO_REQ (SV *sv)
288{ 510{
289 MAGIC *mg; 511 MAGIC *mg;
290 512
291 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
292 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
293 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
294 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
295 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
296 519
297 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
298 521
299 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
300} 523}
301 524
525static aio_wd
526SvAIO_WD (SV *sv)
527{
528 if (!SvROK (sv)
529 || SvTYPE (SvRV (sv)) != SVt_PVMG
530 || SvSTASH (SvRV (sv)) != aio_wd_stash)
531 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
532
533 return (aio_wd)(long)SvIVX (SvRV (sv));
534}
535
536static SV *
537newmortalFH (int fd, int flags)
538{
539 if (fd < 0)
540 return &PL_sv_undef;
541
542 GV *gv = (GV *)sv_newmortal ();
543 char sym[64];
544 int symlen;
545
546 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
547 gv_init (gv, aio_stash, sym, symlen, 0);
548
549 symlen = snprintf (
550 sym,
551 sizeof (sym),
552 "%s&=%d",
553 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
554 fd
555 );
556
557 return do_open (gv, sym, symlen, 0, 0, 0, 0)
558 ? (SV *)gv : &PL_sv_undef;
559}
560
561static void
302static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
303{ 563{
304 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
305 { 565 {
306 dSP; 566 dSP;
307 567
… …
315 FREETMPS; 575 FREETMPS;
316 LEAVE; 576 LEAVE;
317 } 577 }
318} 578}
319 579
580ecb_noinline
581static void
320static void req_submit (eio_req *req) 582req_submit (eio_req *req)
321{ 583{
322 eio_submit (req); 584 eio_submit (req);
323 585
324 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
325 { 587 {
… …
332 PUTBACK; 594 PUTBACK;
333 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
334 } 596 }
335} 597}
336 598
599static int
337static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
338{ 601{
339 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
340 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
341 604
342 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
363 SvREADONLY_on (sv_result); 626 SvREADONLY_on (sv_result);
364 } 627 }
365 628
366 switch (req->type) 629 switch (req->type)
367 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
368 case EIO_READDIR: 635 case EIO_READDIR:
369 { 636 {
370 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
371 638
372 if (req->result >= 0) 639 if (req->result >= 0)
… …
425 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 692 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
426 } 693 }
427 break; 694 break;
428 695
429 case EIO_OPEN: 696 case EIO_OPEN:
430 { 697 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
431 /* convert fd to fh */
432 SV *fh = &PL_sv_undef;
433
434 if (req->result >= 0)
435 {
436 GV *gv = (GV *)sv_newmortal ();
437 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
438 char sym [64];
439 int symlen;
440
441 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
442 gv_init (gv, aio_stash, sym, symlen, 0);
443
444 symlen = snprintf (
445 sym,
446 sizeof (sym),
447 "%s&=%d",
448 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
449 (int)req->result
450 );
451
452 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
453 fh = (SV *)gv;
454 }
455
456 PUSHs (fh);
457 }
458 break; 698 break;
459 699
460 case EIO_STATVFS: 700 case EIO_STATVFS:
461 case EIO_FSTATVFS: 701 case EIO_FSTATVFS:
462 { 702 {
463 SV *rv = &PL_sv_undef; 703 SV *rv = &PL_sv_undef;
464 704
705#ifndef _WIN32
465 if (req->result >= 0) 706 if (req->result >= 0)
466 { 707 {
467 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
468 HV *hv = newHV (); 709 HV *hv = newHV ();
710 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
711 * chooses to make it a struct.
712 */
713 unsigned long fsid = 0;
714 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
469 715
470 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
471 717
472 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 718 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
473 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 719 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
475 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 721 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
476 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 722 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
477 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 723 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
478 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 724 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
479 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 725 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
480 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
481 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 727 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
482 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 728 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
483 } 729 }
730#endif
484 731
485 PUSHs (rv); 732 PUSHs (rv);
486 } 733 }
487 734
488 break; 735 break;
… …
504 case EIO_NOP: 751 case EIO_NOP:
505 case EIO_BUSY: 752 case EIO_BUSY:
506 break; 753 break;
507 754
508 case EIO_READLINK: 755 case EIO_READLINK:
756 case EIO_REALPATH:
509 if (req->result > 0) 757 if (req->result > 0)
510 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 758 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
511 break; 759 break;
512 760
513 case EIO_STAT: 761 case EIO_STAT:
514 case EIO_LSTAT: 762 case EIO_LSTAT:
515 case EIO_FSTAT: 763 case EIO_FSTAT:
516 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
517 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
518 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
769
519 PUSHs (sv_result); 770 PUSHs (sv_result);
771 break;
772
773 case EIO_SEEK:
774 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
520 break; 775 break;
521 776
522 case EIO_READ: 777 case EIO_READ:
523 { 778 {
524 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 779 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
527 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
528 PUSHs (sv_result); 783 PUSHs (sv_result);
529 } 784 }
530 break; 785 break;
531 786
787 case EIO_SLURP:
788 {
789 if (req->result >= 0)
790 {
791 /* if length was originally not known, we steal the malloc'ed memory */
792 if (req->flags & EIO_FLAG_PTR2_FREE)
793 {
794 req->flags &= ~EIO_FLAG_PTR2_FREE;
795 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
796 }
797 else
798 {
799 SvCUR_set (req->sv2, req->result);
800 *SvEND (req->sv2) = 0;
801 SvPOK_only (req->sv2);
802 }
803
804 SvSETMAGIC (req->sv2);
805 }
806
807 PUSHs (sv_result);
808 }
809 break;
810
811 case EIO_CUSTOM:
812 if (req->feed == fiemap)
813 {
814#if HAVE_FIEMAP
815 if (!req->result)
816 {
817 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
818
819 if (fiemap->fm_extent_count)
820 {
821 AV *av = newAV ();
822 int i;
823
824 while (fiemap->fm_mapped_extents)
825 {
826 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
827 AV *ext_av = newAV ();
828
829 av_store (ext_av, 3, newSVuv (extent->fe_flags));
830 av_store (ext_av, 2, newSVval64 (extent->fe_length));
831 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
832 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
833
834 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
835 }
836
837 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
838 }
839 else
840 {
841 SvIV_set (sv_result, fiemap->fm_mapped_extents);
842 PUSHs (sv_result);
843 }
844 }
845#endif
846 }
847 else
848 PUSHs (sv_result);
849 break;
850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
532 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
533 if (req->result > 0) 858 if (req->result > 0)
534 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
535 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
536 861
… …
557 } 882 }
558 883
559 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
560} 885}
561 886
887static void
562static void req_destroy (aio_req req) 888req_destroy (aio_req req)
563{ 889{
564 if (req->self) 890 if (req->self)
565 { 891 {
566 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
567 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
568 } 894 }
569 895
570 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
571 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
572 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
573 901
574 Safefree (req); 902 free (req);
575} 903}
576 904
905static void
577static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
578{ 907{
579 aio_req sub;
580
581 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
582 return; 909 return;
583 910
584 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
585 grp->sv2 = 0; 912 grp->sv2 = 0;
586 913
587 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
588} 915}
589 916
917ecb_cold
590static void 918static void
591create_respipe (void) 919create_respipe (void)
592{ 920{
593 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
594 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
595} 923}
596 924
597static void poll_wait (void) 925static void
926poll_wait (void)
598{ 927{
599 while (eio_nreqs ()) 928 while (eio_nreqs ())
600 { 929 {
601 int size; 930 int size;
602 931
603 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
604 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
605 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
606 935
607 if (size) 936 if (size)
608 return; 937 return;
609 938
610 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
611 940
612 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
613 } 942 }
614} 943}
615 944
616static int poll_cb (void) 945static int
946poll_cb (void)
617{ 947{
618 for (;;) 948 for (;;)
619 { 949 {
620 int res = eio_poll (); 950 int res = eio_poll ();
621 951
… …
627 957
628 poll_wait (); 958 poll_wait ();
629 } 959 }
630} 960}
631 961
632static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
633{ 965{
634 create_respipe (); 966 create_respipe ();
635}
636 967
637/*****************************************************************************/ 968 if (eio_init (want_poll, done_poll) < 0)
638 969 croak ("IO::AIO: unable to initialise eio library");
639#if !_POSIX_MAPPED_FILES
640# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
641# define munmap(addr,length) (errno = ENOSYS, -1)
642#endif
643
644#if !_POSIX_MEMORY_PROTECTION
645# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
646# define PROT_NONE 0
647# define PROT_WRITE 0
648# define MAP_PRIVATE 0
649# define MAP_SHARED 0
650# define MAP_FIXED 0
651#endif
652
653#define MMAP_MAGIC PERL_MAGIC_ext
654
655static int
656mmap_free (pTHX_ SV *sv, MAGIC *mg)
657{
658 int old_errno = errno;
659 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
660 errno = old_errno;
661
662 mg->mg_obj = 0; /* just in case */
663
664 SvREADONLY_off (sv);
665
666 if (SvPVX (sv) != mg->mg_ptr)
667 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
668
669 SvCUR_set (sv, 0);
670 SvPVX (sv) = 0;
671 SvOK_off (sv);
672
673 return 0;
674} 970}
675
676static MGVTBL mmap_vtbl = {
677 0, 0, 0, 0, mmap_free
678};
679 971
680/*****************************************************************************/ 972/*****************************************************************************/
681 973
682static SV * 974static SV *
683get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
684{ 976{
685 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
686 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
687} 979}
688 980
981ecb_noinline
982static aio_req ecb_noinline
983dreq (SV *callback)
984{
985 SV *cb_cv;
986 aio_req req;
987 int req_pri = next_pri;
988 next_pri = EIO_PRI_DEFAULT;
989
990 cb_cv = get_cb (callback);
991
992 req = calloc (sizeof (*req), 1);
993 if (!req)
994 croak ("out of memory during eio_req allocation");
995
996 req->callback = SvREFCNT_inc (cb_cv);
997 req->pri = req_pri;
998
999 return req;
1000}
1001
689#define dREQ \ 1002#define dREQ \
690 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
691 aio_req req; \
692 int req_pri = next_pri; \
693 next_pri = EIO_PRI_DEFAULT; \
694 \
695 cb_cv = get_cb (callback); \
696 \
697 Newz (0, req, 1, eio_req); \
698 if (!req) \
699 croak ("out of memory during eio_req allocation"); \
700 \
701 req->callback = SvREFCNT_inc (cb_cv); \
702 req->pri = req_pri
703 1004
704#define REQ_SEND \ 1005#define REQ_SEND \
705 PUTBACK; \ 1006 PUTBACK; \
706 req_submit (req); \ 1007 req_submit (req); \
707 SPAGAIN; \ 1008 SPAGAIN; \
708 \ 1009 \
709 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
710 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
711 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1017{
1018 if (expect_false (SvROK (path)))
1019 {
1020 SV *rv = SvRV (path);
1021 SV *wdob;
1022
1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
1030 *wd = SvAIO_WD (wdob);
1031 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1032 }
1033 else
1034 *wd = EIO_INVALID_WD;
1035 }
1036 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1037 {
1038 *wd = (aio_wd)(long)SvIVX (rv);
1039 *wdsv = SvREFCNT_inc_NN (rv);
1040 *ptr = ".";
1041 return; /* path set to "." */
1042 }
1043 else
1044 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1045 }
1046
1047 *pathsv = newSVsv (path);
1048 *ptr = SvPVbyte_nolen (*pathsv);
1049}
1050
1051ecb_noinline
1052static void
1053req_set_path1 (aio_req req, SV *path)
1054{
1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1056}
1057
1058ecb_noinline
1059static void
1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1061{
1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1063
1064 switch (SvTYPE (rv))
1065 {
1066 case SVt_PVIO:
1067 case SVt_PVLV:
1068 case SVt_PVGV:
1069 req->type = type_fh;
1070 req->sv1 = newSVsv (fh_or_path);
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 break;
1073
1074 default:
1075 req->type = type_path;
1076 req_set_path1 (req, fh_or_path);
1077 break;
1078 }
1079}
1080
1081/*****************************************************************************/
1082
1083static void
1084ts_set (struct timespec *ts, NV value)
1085{
1086 ts->tv_sec = value;
1087 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1088}
1089
1090static NV
1091ts_get (const struct timespec *ts)
1092{
1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098XS(boot_IO__AIO) ecb_cold;
1099
712MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
713 1101
714PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
715 1103
716BOOT: 1104BOOT:
… …
720 IV iv; 1108 IV iv;
721 } *civ, const_iv[] = { 1109 } *civ, const_iv[] = {
722# define const_niv(name, value) { # name, (IV) value }, 1110# define const_niv(name, value) { # name, (IV) value },
723# define const_iv(name) { # name, (IV) name }, 1111# define const_iv(name) { # name, (IV) name },
724# define const_eio(name) { # name, (IV) EIO_ ## name }, 1112# define const_eio(name) { # name, (IV) EIO_ ## name },
1113
1114 /* you have to re-run ./gendef0 after adding/removing any constants here */
1115 /* the first block can be undef if missing */
1116 const_iv (ENOSYS)
725 const_iv (EXDEV) 1117 const_iv (EXDEV)
726 const_iv (ENOSYS) 1118 const_iv (EBADR)
1119
1120 /* for lseek */
1121 const_iv (SEEK_DATA)
1122 const_iv (SEEK_HOLE)
1123
1124 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1125 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1126 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1127 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1128 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1129 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1130
1131 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1132 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1133 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1134 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1135 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1136
1137 /* the second block will be 0 when missing */
1138 const_iv (O_ACCMODE)
1139
727 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
728 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
729 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
730 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
731 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
732 const_iv (O_EXCL) 1145 const_iv (O_EXCL)
733 const_iv (O_APPEND) 1146 const_iv (O_APPEND)
734#ifndef _WIN32 1147
1148 const_iv (O_ASYNC)
1149 const_iv (O_DIRECT)
1150 const_iv (O_NOATIME)
1151
1152 const_iv (O_CLOEXEC)
1153 const_iv (O_NOCTTY)
1154 const_iv (O_NOFOLLOW)
1155 const_iv (O_NONBLOCK)
1156 const_iv (O_EXEC)
1157 const_iv (O_SEARCH)
1158 const_iv (O_DIRECTORY)
1159 const_iv (O_DSYNC)
1160 const_iv (O_RSYNC)
1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
1164 const_iv (O_TTY_INIT)
1165
735 const_iv (S_IFIFO) 1166 const_iv (S_IFIFO)
736#endif 1167 const_iv (S_IFCHR)
737 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1168 const_iv (S_IFBLK)
738 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1169 const_iv (S_IFLNK)
739 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1170 const_iv (S_IFREG)
740 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1171 const_iv (S_IFDIR)
741 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1172 const_iv (S_IFWHT)
742 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1173 const_iv (S_IFSOCK)
743 1174 const_iv (S_IFMT)
744 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
745 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
746 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
747 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
748 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
749 1175
750 const_iv (ST_RDONLY) 1176 const_iv (ST_RDONLY)
751 const_iv (ST_NOSUID) 1177 const_iv (ST_NOSUID)
752 const_iv (ST_NODEV) 1178 const_iv (ST_NODEV)
753 const_iv (ST_NOEXEC) 1179 const_iv (ST_NOEXEC)
… …
763 const_iv (PROT_NONE) 1189 const_iv (PROT_NONE)
764 const_iv (PROT_EXEC) 1190 const_iv (PROT_EXEC)
765 const_iv (PROT_READ) 1191 const_iv (PROT_READ)
766 const_iv (PROT_WRITE) 1192 const_iv (PROT_WRITE)
767 1193
768 /*const_iv (MAP_FIXED)*/
769 const_iv (MAP_PRIVATE) 1194 const_iv (MAP_PRIVATE)
770 const_iv (MAP_SHARED) 1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
771 const_iv (MAP_ANONYMOUS) 1197 const_iv (MAP_ANONYMOUS)
772 1198
773 /* linuxish */ 1199 /* linuxish */
774 const_iv (MAP_HUGETLB)
775 const_iv (MAP_LOCKED) 1200 const_iv (MAP_LOCKED)
776 const_iv (MAP_NORESERVE) 1201 const_iv (MAP_NORESERVE)
777 const_iv (MAP_POPULATE) 1202 const_iv (MAP_POPULATE)
778 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1204 const_iv (MAP_GROWSDOWN)
1205 const_iv (MAP_32BIT)
1206 const_iv (MAP_HUGETLB)
1207 const_iv (MAP_STACK)
1208 const_iv (MAP_FIXED_NOREPLACE)
1209 const_iv (MAP_SHARED_VALIDATE)
1210 const_iv (MAP_SYNC)
1211 const_iv (MAP_UNINITIALIZED)
1212
1213 const_iv (MREMAP_MAYMOVE)
1214 const_iv (MREMAP_FIXED)
1215
1216 const_iv (MSG_CMSG_CLOEXEC)
1217 const_iv (SOCK_CLOEXEC)
1218
1219 const_iv (F_DUPFD_CLOEXEC)
1220
1221 const_iv (F_ADD_SEALS)
1222 const_iv (F_GET_SEALS)
1223 const_iv (F_SEAL_SEAL)
1224 const_iv (F_SEAL_SHRINK)
1225 const_iv (F_SEAL_GROW)
1226 const_iv (F_SEAL_WRITE)
1227
1228 const_iv (F_OFD_GETLK)
1229 const_iv (F_OFD_SETLK)
1230 const_iv (F_OFD_GETLKW)
1231
1232 const_iv (FIFREEZE)
1233 const_iv (FITHAW)
1234 const_iv (FITRIM)
1235 const_iv (FICLONE)
1236 const_iv (FICLONERANGE)
1237 const_iv (FIDEDUPERANGE)
1238
1239 const_iv (FS_IOC_GETFLAGS)
1240 const_iv (FS_IOC_SETFLAGS)
1241 const_iv (FS_IOC_GETVERSION)
1242 const_iv (FS_IOC_SETVERSION)
1243 const_iv (FS_IOC_FIEMAP)
1244 const_iv (FS_IOC_FSGETXATTR)
1245 const_iv (FS_IOC_FSSETXATTR)
1246 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1247 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1248 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1249
1250 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1251
1252 const_iv (FS_SECRM_FL)
1253 const_iv (FS_UNRM_FL)
1254 const_iv (FS_COMPR_FL)
1255 const_iv (FS_SYNC_FL)
1256 const_iv (FS_IMMUTABLE_FL)
1257 const_iv (FS_APPEND_FL)
1258 const_iv (FS_NODUMP_FL)
1259 const_iv (FS_NOATIME_FL)
1260 const_iv (FS_DIRTY_FL)
1261 const_iv (FS_COMPRBLK_FL)
1262 const_iv (FS_NOCOMP_FL)
1263 const_iv (FS_ENCRYPT_FL)
1264 const_iv (FS_BTREE_FL)
1265 const_iv (FS_INDEX_FL)
1266 const_iv (FS_JOURNAL_DATA_FL)
1267 const_iv (FS_NOTAIL_FL)
1268 const_iv (FS_DIRSYNC_FL)
1269 const_iv (FS_TOPDIR_FL)
1270 const_iv (FS_FL_USER_MODIFIABLE)
1271
1272 const_iv (FS_XFLAG_REALTIME)
1273 const_iv (FS_XFLAG_PREALLOC)
1274 const_iv (FS_XFLAG_IMMUTABLE)
1275 const_iv (FS_XFLAG_APPEND)
1276 const_iv (FS_XFLAG_SYNC)
1277 const_iv (FS_XFLAG_NOATIME)
1278 const_iv (FS_XFLAG_NODUMP)
1279 const_iv (FS_XFLAG_RTINHERIT)
1280 const_iv (FS_XFLAG_PROJINHERIT)
1281 const_iv (FS_XFLAG_NOSYMLINKS)
1282 const_iv (FS_XFLAG_EXTSIZE)
1283 const_iv (FS_XFLAG_EXTSZINHERIT)
1284 const_iv (FS_XFLAG_NODEFRAG)
1285 const_iv (FS_XFLAG_FILESTREAM)
1286 const_iv (FS_XFLAG_DAX)
1287 const_iv (FS_XFLAG_HASATTR)
1288
1289 const_iv (FIEMAP_FLAG_SYNC)
1290 const_iv (FIEMAP_FLAG_XATTR)
1291 const_iv (FIEMAP_FLAGS_COMPAT)
1292 const_iv (FIEMAP_EXTENT_LAST)
1293 const_iv (FIEMAP_EXTENT_UNKNOWN)
1294 const_iv (FIEMAP_EXTENT_DELALLOC)
1295 const_iv (FIEMAP_EXTENT_ENCODED)
1296 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1297 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1298 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1299 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1300 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1301 const_iv (FIEMAP_EXTENT_MERGED)
1302 const_iv (FIEMAP_EXTENT_SHARED)
1303
1304 const_iv (SPLICE_F_MOVE)
1305 const_iv (SPLICE_F_NONBLOCK)
1306 const_iv (SPLICE_F_MORE)
1307 const_iv (SPLICE_F_GIFT)
1308
1309 const_iv (EFD_CLOEXEC)
1310 const_iv (EFD_NONBLOCK)
1311 const_iv (EFD_SEMAPHORE)
1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316 const_iv (MFD_HUGETLB_2MB)
1317 const_iv (MFD_HUGETLB_1GB)
1318
1319 const_iv (CLOCK_REALTIME)
1320 const_iv (CLOCK_MONOTONIC)
1321 const_iv (CLOCK_BOOTTIME)
1322 const_iv (CLOCK_REALTIME_ALARM)
1323 const_iv (CLOCK_BOOTTIME_ALARM)
1324
1325 const_iv (TFD_NONBLOCK)
1326 const_iv (TFD_CLOEXEC)
1327
1328 const_iv (TFD_TIMER_ABSTIME)
1329 const_iv (TFD_TIMER_CANCEL_ON_SET)
1330
1331 const_iv (STATX_TYPE)
1332 const_iv (STATX_MODE)
1333 const_iv (STATX_NLINK)
1334 const_iv (STATX_UID)
1335 const_iv (STATX_GID)
1336 const_iv (STATX_ATIME)
1337 const_iv (STATX_MTIME)
1338 const_iv (STATX_CTIME)
1339 const_iv (STATX_INO)
1340 const_iv (STATX_SIZE)
1341 const_iv (STATX_BLOCKS)
1342 const_iv (STATX_BASIC_STATS)
1343 const_iv (STATX_ALL)
1344 const_iv (STATX_BTIME)
1345 const_iv (STATX_ATTR_COMPRESSED)
1346 const_iv (STATX_ATTR_IMMUTABLE)
1347 const_iv (STATX_ATTR_APPEND)
1348 const_iv (STATX_ATTR_NODUMP)
1349 const_iv (STATX_ATTR_ENCRYPTED)
1350 const_iv (STATX_ATTR_AUTOMOUNT)
1351
1352 const_iv (AT_FDCWD)
1353 const_iv (AT_SYMLINK_NOFOLLOW)
1354 const_iv (AT_EACCESS)
1355 const_iv (AT_REMOVEDIR)
1356 const_iv (AT_SYMLINK_FOLLOW)
1357 const_iv (AT_NO_AUTOMOUNT)
1358 const_iv (AT_EMPTY_PATH)
1359 const_iv (AT_STATX_SYNC_TYPE)
1360 const_iv (AT_STATX_AS_STAT)
1361 const_iv (AT_STATX_FORCE_SYNC)
1362 const_iv (AT_STATX_DONT_SYNC)
1363 const_iv (AT_RECURSIVE)
1364
1365 const_iv (OPEN_TREE_CLONE)
1366
1367 const_iv (FSOPEN_CLOEXEC)
1368
1369 const_iv (FSPICK_CLOEXEC)
1370 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1371 const_iv (FSPICK_NO_AUTOMOUNT)
1372 const_iv (FSPICK_EMPTY_PATH)
1373
1374 const_iv (MOVE_MOUNT_F_SYMLINKS)
1375 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1376 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1377 const_iv (MOVE_MOUNT_T_SYMLINKS)
1378 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1379 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1380
1381 /* waitid */
1382 const_iv (P_PID)
1383 const_iv (P_PIDFD)
1384 const_iv (P_PGID)
1385 const_iv (P_ALL)
1386
1387 const_iv (FSCONFIG_SET_FLAG)
1388 const_iv (FSCONFIG_SET_STRING)
1389 const_iv (FSCONFIG_SET_BINARY)
1390 const_iv (FSCONFIG_SET_PATH)
1391 const_iv (FSCONFIG_SET_PATH_EMPTY)
1392 const_iv (FSCONFIG_SET_FD)
1393 const_iv (FSCONFIG_CMD_CREATE)
1394 const_iv (FSCONFIG_CMD_RECONFIGURE)
1395
1396 const_iv (MOUNT_ATTR_RDONLY)
1397 const_iv (MOUNT_ATTR_NOSUID)
1398 const_iv (MOUNT_ATTR_NODEV)
1399 const_iv (MOUNT_ATTR_NOEXEC)
1400 const_iv (MOUNT_ATTR__ATIME)
1401 const_iv (MOUNT_ATTR_RELATIME)
1402 const_iv (MOUNT_ATTR_NOATIME)
1403 const_iv (MOUNT_ATTR_STRICTATIME)
1404 const_iv (MOUNT_ATTR_NODIRATIME)
1405
1406 /* these are libeio constants, and are independent of gendef0 */
1407 const_eio (SEEK_SET)
1408 const_eio (SEEK_CUR)
1409 const_eio (SEEK_END)
779 1410
780 const_eio (MCL_FUTURE) 1411 const_eio (MCL_FUTURE)
781 const_eio (MCL_CURRENT) 1412 const_eio (MCL_CURRENT)
1413 const_eio (MCL_ONFAULT)
782 1414
783 const_eio (MS_ASYNC) 1415 const_eio (MS_ASYNC)
784 const_eio (MS_INVALIDATE) 1416 const_eio (MS_INVALIDATE)
785 const_eio (MS_SYNC) 1417 const_eio (MS_SYNC)
786 1418
787 const_eio (MT_MODIFY) 1419 const_eio (MT_MODIFY)
788 1420
789 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1421 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
790 const_eio (SYNC_FILE_RANGE_WRITE) 1422 const_eio (SYNC_FILE_RANGE_WRITE)
791 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1423 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1424
1425 const_eio (FALLOC_FL_KEEP_SIZE)
1426 const_eio (FALLOC_FL_PUNCH_HOLE)
1427 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1428 const_eio (FALLOC_FL_ZERO_RANGE)
1429 const_eio (FALLOC_FL_INSERT_RANGE)
1430 const_eio (FALLOC_FL_UNSHARE_RANGE)
1431
1432 const_eio (RENAME_NOREPLACE)
1433 const_eio (RENAME_EXCHANGE)
1434 const_eio (RENAME_WHITEOUT)
792 1435
793 const_eio (READDIR_DENTS) 1436 const_eio (READDIR_DENTS)
794 const_eio (READDIR_DIRS_FIRST) 1437 const_eio (READDIR_DIRS_FIRST)
795 const_eio (READDIR_STAT_ORDER) 1438 const_eio (READDIR_STAT_ORDER)
796 const_eio (READDIR_FOUND_UNKNOWN) 1439 const_eio (READDIR_FOUND_UNKNOWN)
… …
807 }; 1450 };
808 1451
809 aio_stash = gv_stashpv ("IO::AIO" , 1); 1452 aio_stash = gv_stashpv ("IO::AIO" , 1);
810 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1453 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
811 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1454 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1455 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
812 1456
813 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1457 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
814 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1458 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
815 1459
816 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1460 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
817 1461
818 create_respipe (); 1462 /* allocate dummy pipe fd for aio_close */
1463 {
1464 int pipefd [2];
819 1465
820 if (eio_init (want_poll, done_poll) < 0) 1466 if (
821 croak ("IO::AIO: unable to initialise eio library"); 1467#ifdef _WIN32
1468 _pipe (pipefd, 1, _O_BINARY) < 0
1469#else
1470 pipe (pipefd) < 0
1471 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1472#endif
1473 || close (pipefd [1]) < 0
1474 )
1475 croak ("IO::AIO: unable to create dummy pipe for aio_close");
822 1476
823 /* atfork child called in fifo order, so before eio's handler */ 1477 close_fd = pipefd [0];
824 X_THREAD_ATFORK (0, 0, atfork_child); 1478 }
825}
826 1479
1480 reinit ();
1481}
1482
827void 1483void
1484reinit ()
1485 PROTOTYPE:
1486
1487void
828max_poll_reqs (int nreqs) 1488max_poll_reqs (unsigned int nreqs)
829 PROTOTYPE: $ 1489 PROTOTYPE: $
830 CODE: 1490 CODE:
831 eio_set_max_poll_reqs (nreqs); 1491 eio_set_max_poll_reqs (nreqs);
832 1492
833void 1493void
… …
835 PROTOTYPE: $ 1495 PROTOTYPE: $
836 CODE: 1496 CODE:
837 eio_set_max_poll_time (nseconds); 1497 eio_set_max_poll_time (nseconds);
838 1498
839void 1499void
840min_parallel (int nthreads) 1500min_parallel (unsigned int nthreads)
841 PROTOTYPE: $ 1501 PROTOTYPE: $
842 CODE: 1502 CODE:
843 eio_set_min_parallel (nthreads); 1503 eio_set_min_parallel (nthreads);
844 1504
845void 1505void
846max_parallel (int nthreads) 1506max_parallel (unsigned int nthreads)
847 PROTOTYPE: $ 1507 PROTOTYPE: $
848 CODE: 1508 CODE:
849 eio_set_max_parallel (nthreads); 1509 eio_set_max_parallel (nthreads);
850 1510
851void 1511void
852max_idle (int nthreads) 1512max_idle (unsigned int nthreads)
853 PROTOTYPE: $ 1513 PROTOTYPE: $
854 CODE: 1514 CODE:
855 eio_set_max_idle (nthreads); 1515 eio_set_max_idle (nthreads);
856 1516
857void 1517void
1518idle_timeout (unsigned int seconds)
1519 PROTOTYPE: $
1520 CODE:
1521 eio_set_idle_timeout (seconds);
1522
1523void
858max_outstanding (int maxreqs) 1524max_outstanding (unsigned int maxreqs)
859 PROTOTYPE: $ 1525 PROTOTYPE: $
860 CODE: 1526 CODE:
861 max_outstanding = maxreqs; 1527 max_outstanding = maxreqs;
862 1528
863void 1529void
864aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1530aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
865 PPCODE: 1531 PPCODE:
866{ 1532{
867 dREQ; 1533 dREQ;
868 1534
1535 req->type = EIO_WD_OPEN;
1536 req_set_path1 (req, pathname);
1537
1538 REQ_SEND;
1539}
1540
1541void
1542aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1543 PPCODE:
1544{
1545 dREQ;
1546
869 req->type = EIO_OPEN; 1547 req->type = EIO_OPEN;
870 req->sv1 = newSVsv (pathname); 1548 req_set_path1 (req, pathname);
871 req->ptr1 = SvPVbyte_nolen (req->sv1);
872 req->int1 = flags; 1549 req->int1 = flags;
873 req->int2 = mode; 1550 req->int2 = mode;
874 1551
875 REQ_SEND; 1552 REQ_SEND;
876} 1553}
877 1554
878void 1555void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1556aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
880 ALIAS: 1557 ALIAS:
881 aio_fsync = EIO_FSYNC 1558 aio_fsync = EIO_FSYNC
882 aio_fdatasync = EIO_FDATASYNC 1559 aio_fdatasync = EIO_FDATASYNC
1560 aio_syncfs = EIO_SYNCFS
883 PPCODE: 1561 PPCODE:
884{ 1562{
885 int fd = s_fileno_croak (fh, 0); 1563 int fd = s_fileno_croak (fh, 0);
886 dREQ; 1564 dREQ;
887 1565
888 req->type = ix; 1566 req->type = ix;
889 req->sv1 = newSVsv (fh); 1567 req->sv1 = newSVsv (fh);
890 req->int1 = fd; 1568 req->int1 = fd;
891 1569
892 REQ_SEND (req); 1570 REQ_SEND;
893} 1571}
894 1572
895void 1573void
896aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1574aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
897 PPCODE: 1575 PPCODE:
898{ 1576{
899 int fd = s_fileno_croak (fh, 0); 1577 int fd = s_fileno_croak (fh, 0);
900 dREQ; 1578 dREQ;
901 1579
902 req->type = EIO_SYNC_FILE_RANGE; 1580 req->type = EIO_SYNC_FILE_RANGE;
903 req->sv1 = newSVsv (fh); 1581 req->sv1 = newSVsv (fh);
904 req->int1 = fd; 1582 req->int1 = fd;
905 req->offs = offset; 1583 req->offs = offset;
906 req->size = nbytes; 1584 req->size = nbytes;
907 req->int2 = flags; 1585 req->int2 = flags;
908 1586
909 REQ_SEND (req); 1587 REQ_SEND;
910} 1588}
911 1589
912void 1590void
913aio_close (SV *fh, SV *callback=&PL_sv_undef) 1591aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
914 PPCODE: 1592 PPCODE:
915{ 1593{
916 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
917 int fd = s_fileno_croak (fh, 0); 1594 int fd = s_fileno_croak (fh, 0);
918 dREQ; 1595 dREQ;
919 1596
920 if (close_pipe < 0) 1597 req->type = EIO_FALLOCATE;
1598 req->sv1 = newSVsv (fh);
1599 req->int1 = fd;
1600 req->int2 = mode;
1601 req->offs = offset;
1602 req->size = len;
1603
1604 REQ_SEND;
1605}
1606
1607void
1608aio_close (SV *fh, SV *callback = &PL_sv_undef)
1609 PPCODE:
1610{
1611 int fd = s_fileno_croak (fh, 0);
1612 dREQ;
1613#if 0
1614 /* partially duplicate logic in s_fileno */
1615 SvGETMAGIC (fh);
1616
1617 if (SvROK (fh))
1618 {
1619 fh = SvRV (fh);
1620 SvGETMAGIC (fh);
1621 }
1622
1623 if (SvTYPE (fh) == SVt_PVGV)
921 { 1624 {
922 int pipefd [2]; 1625 /* perl filehandle */
1626 PerlIOUnix_refcnt_inc (fd);
1627 do_close ((GV *)fh, 1);
923 1628
924 if (pipe (pipefd) < 0 1629 req->type = EIO_CLOSE;
925 || close (pipefd [1]) < 0 1630 req->int1 = fd;
926 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1631 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
927 abort (); /*D*/
928
929 close_pipe = pipefd [0];
930 } 1632 }
931 1633 else
1634#endif
1635 {
1636 /* fd number */
932 req->type = EIO_DUP2; 1637 req->type = EIO_DUP2;
933 req->int1 = close_pipe; 1638 req->int1 = close_fd;
1639 req->sv2 = newSVsv (fh);
1640 req->int2 = fd;
1641 }
1642
1643 REQ_SEND;
1644}
1645
1646void
1647aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1648 PPCODE:
1649{
1650 int fd = s_fileno_croak (fh, 0);
1651 dREQ;
1652
1653 req->type = EIO_SEEK;
934 req->sv2 = newSVsv (fh); 1654 req->sv1 = newSVsv (fh);
935 req->int2 = fd; 1655 req->int1 = fd;
1656 req->offs = SvVAL64 (offset);
1657 req->int2 = whence;
936 1658
937 REQ_SEND (req); 1659 REQ_SEND;
938} 1660}
939 1661
940void 1662void
941aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1663aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
942 ALIAS: 1664 ALIAS:
943 aio_read = EIO_READ 1665 aio_read = EIO_READ
944 aio_write = EIO_WRITE 1666 aio_write = EIO_WRITE
945 PPCODE: 1667 PPCODE:
946{ 1668{
… …
962 len = svlen - dataoffset; 1684 len = svlen - dataoffset;
963 } 1685 }
964 else 1686 else
965 { 1687 {
966 /* read: check type and grow scalar as necessary */ 1688 /* read: check type and grow scalar as necessary */
967 SvUPGRADE (data, SVt_PV); 1689 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
968 svptr = SvGROW (data, len + dataoffset + 1); 1690 svptr = sv_grow (data, len + dataoffset + 1);
1691 else if (SvCUR (data) < len + dataoffset)
1692 croak ("length + dataoffset outside of scalar, and cannot grow");
969 } 1693 }
970 1694
971 { 1695 {
972 dREQ; 1696 dREQ;
973 1697
… …
989 REQ_SEND; 1713 REQ_SEND;
990 } 1714 }
991} 1715}
992 1716
993void 1717void
994aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1718aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1719 ALIAS:
1720 aio_ioctl = EIO_IOCTL
1721 aio_fcntl = EIO_FCNTL
995 PPCODE: 1722 PPCODE:
996{ 1723{
997 SV *data; 1724 int fd = s_fileno_croak (fh, 0);
1725 char *svptr;
1726
1727 if (SvPOK (arg) || !SvNIOK (arg))
1728 {
1729 STRLEN svlen;
1730 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1731#ifdef IOCPARM_LEN
1732 STRLEN need = IOCPARM_LEN (request);
1733#else
1734 STRLEN need = 256;
1735#endif
1736
1737 if (svlen < need)
1738 svptr = SvGROW (arg, need);
1739 }
1740 else
1741 svptr = (char *)SvIV (arg);
1742
1743 {
1744 dREQ;
1745
1746 req->type = ix;
1747 req->sv1 = newSVsv (fh);
1748 req->int1 = fd;
1749 req->int2 = (long)request;
1750 req->sv2 = SvREFCNT_inc (arg);
1751 req->ptr2 = svptr;
1752
1753 REQ_SEND;
1754 }
1755}
1756
1757void
1758aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1759 ALIAS:
1760 aio_readlink = EIO_READLINK
1761 aio_realpath = EIO_REALPATH
1762 PPCODE:
1763{
998 dREQ; 1764 dREQ;
999 1765
1000 req->type = EIO_READLINK; 1766 req->type = ix;
1001 req->sv1 = newSVsv (path); 1767 req_set_path1 (req, pathname);
1002 req->ptr1 = SvPVbyte_nolen (req->sv1);
1003 1768
1004 REQ_SEND; 1769 REQ_SEND;
1005} 1770}
1006 1771
1007void 1772void
1008aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1773aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1009 PPCODE: 1774 PPCODE:
1010{ 1775{
1011 int ifd = s_fileno_croak (in_fh , 0); 1776 int ifd = s_fileno_croak (in_fh , 0);
1012 int ofd = s_fileno_croak (out_fh, 1); 1777 int ofd = s_fileno_croak (out_fh, 1);
1013 dREQ; 1778 dREQ;
1014 1779
1015 req->type = EIO_SENDFILE; 1780 req->type = EIO_SENDFILE;
1016 req->sv1 = newSVsv (out_fh); 1781 req->sv1 = newSVsv (out_fh);
1017 req->int1 = ofd; 1782 req->int1 = ofd;
… …
1022 1787
1023 REQ_SEND; 1788 REQ_SEND;
1024} 1789}
1025 1790
1026void 1791void
1027aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1792aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1028 PPCODE: 1793 PPCODE:
1029{ 1794{
1030 int fd = s_fileno_croak (fh, 0); 1795 int fd = s_fileno_croak (fh, 0);
1031 dREQ; 1796 dREQ;
1032 1797
1033 req->type = EIO_READAHEAD; 1798 req->type = EIO_READAHEAD;
1034 req->sv1 = newSVsv (fh); 1799 req->sv1 = newSVsv (fh);
1035 req->int1 = fd; 1800 req->int1 = fd;
… …
1038 1803
1039 REQ_SEND; 1804 REQ_SEND;
1040} 1805}
1041 1806
1042void 1807void
1043aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1808aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1044 ALIAS: 1809 ALIAS:
1045 aio_stat = EIO_STAT 1810 aio_stat = EIO_STAT
1046 aio_lstat = EIO_LSTAT 1811 aio_lstat = EIO_LSTAT
1047 aio_statvfs = EIO_STATVFS 1812 aio_statvfs = EIO_STATVFS
1048 PPCODE: 1813 PPCODE:
1049{ 1814{
1050 dREQ; 1815 dREQ;
1051 1816
1052 req->sv1 = newSVsv (fh_or_path); 1817 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1053
1054 if (SvPOK (req->sv1))
1055 {
1056 req->type = ix;
1057 req->ptr1 = SvPVbyte_nolen (req->sv1);
1058 }
1059 else
1060 {
1061 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1062 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1063 }
1064 1818
1065 REQ_SEND; 1819 REQ_SEND;
1066} 1820}
1067 1821
1068void 1822void
1823st_xtime ()
1824 ALIAS:
1825 st_atime = 0x01
1826 st_mtime = 0x02
1827 st_ctime = 0x04
1828 st_btime = 0x08
1829 st_xtime = 0x0f
1830 PPCODE:
1831 EXTEND (SP, 4);
1832 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1833 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1834 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1835 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1836
1837void
1838st_xtimensec ()
1839 ALIAS:
1840 st_atimensec = 0x01
1841 st_mtimensec = 0x02
1842 st_ctimensec = 0x04
1843 st_btimensec = 0x08
1844 st_xtimensec = 0x0f
1845 st_btimesec = 0x10
1846 st_gen = 0x20
1847 PPCODE:
1848 EXTEND (SP, 4);
1849 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1850 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1851 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1852 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1853 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1854 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1855
1856UV
1857major (UV dev)
1858 ALIAS:
1859 minor = 1
1860 CODE:
1861 RETVAL = ix ? minor (dev) : major (dev);
1862 OUTPUT:
1863 RETVAL
1864
1865UV
1866makedev (UV maj, UV min)
1867 CODE:
1868 RETVAL = makedev (maj, min);
1869 OUTPUT:
1870 RETVAL
1871
1872void
1069aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1873aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1070 PPCODE: 1874 PPCODE:
1071{ 1875{
1072 dREQ; 1876 dREQ;
1073 1877
1074 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1878 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1075 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1879 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1076 req->sv1 = newSVsv (fh_or_path); 1880 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1077
1078 if (SvPOK (req->sv1))
1079 {
1080 req->type = EIO_UTIME;
1081 req->ptr1 = SvPVbyte_nolen (req->sv1);
1082 }
1083 else
1084 {
1085 req->type = EIO_FUTIME;
1086 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1087 }
1088 1881
1089 REQ_SEND; 1882 REQ_SEND;
1090} 1883}
1091 1884
1092void 1885void
1093aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1886aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1094 PPCODE: 1887 PPCODE:
1095{ 1888{
1096 dREQ; 1889 dREQ;
1097 1890
1098 req->sv1 = newSVsv (fh_or_path);
1099 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1891 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1100 1892 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1101 if (SvPOK (req->sv1))
1102 {
1103 req->type = EIO_TRUNCATE;
1104 req->ptr1 = SvPVbyte_nolen (req->sv1);
1105 }
1106 else
1107 {
1108 req->type = EIO_FTRUNCATE;
1109 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1110 }
1111 1893
1112 REQ_SEND; 1894 REQ_SEND;
1113} 1895}
1114 1896
1115void 1897void
1116aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1898aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1117 ALIAS:
1118 aio_chmod = EIO_CHMOD
1119 aio_mkdir = EIO_MKDIR
1120 PPCODE: 1899 PPCODE:
1121{ 1900{
1122 dREQ; 1901 dREQ;
1123 1902
1124 req->int2 = mode; 1903 req->int2 = mode;
1125 req->sv1 = newSVsv (fh_or_path); 1904 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1126
1127 if (SvPOK (req->sv1))
1128 {
1129 req->type = ix;
1130 req->ptr1 = SvPVbyte_nolen (req->sv1);
1131 }
1132 else
1133 {
1134 req->type = EIO_FCHMOD;
1135 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1136 }
1137 1905
1138 REQ_SEND; 1906 REQ_SEND;
1139} 1907}
1140 1908
1141void 1909void
1142aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1910aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1143 PPCODE: 1911 PPCODE:
1144{ 1912{
1145 dREQ; 1913 dREQ;
1146 1914
1147 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1915 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1148 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1916 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1149 req->sv1 = newSVsv (fh_or_path); 1917 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1150
1151 if (SvPOK (req->sv1))
1152 {
1153 req->type = EIO_CHOWN;
1154 req->ptr1 = SvPVbyte_nolen (req->sv1);
1155 }
1156 else
1157 {
1158 req->type = EIO_FCHOWN;
1159 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1160 }
1161 1918
1162 REQ_SEND; 1919 REQ_SEND;
1163} 1920}
1164 1921
1165void 1922void
1166aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1923aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1167 PPCODE: 1924 PPCODE:
1168{ 1925{
1169 dREQ; 1926 dREQ;
1170 1927
1171 req->type = EIO_READDIR; 1928 req->type = EIO_READDIR;
1172 req->sv1 = newSVsv (pathname);
1173 req->ptr1 = SvPVbyte_nolen (req->sv1);
1174 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1929 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1175 1930
1176 if (flags & EIO_READDIR_DENTS) 1931 if (flags & EIO_READDIR_DENTS)
1177 req->int1 |= EIO_READDIR_CUSTOM2; 1932 req->int1 |= EIO_READDIR_CUSTOM2;
1178 1933
1934 req_set_path1 (req, pathname);
1935
1179 REQ_SEND; 1936 REQ_SEND;
1180} 1937}
1181 1938
1182void 1939void
1940aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1941 PPCODE:
1942{
1943 dREQ;
1944
1945 req->type = EIO_MKDIR;
1946 req->int2 = mode;
1947 req_set_path1 (req, pathname);
1948
1949 REQ_SEND;
1950}
1951
1952void
1183aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1953aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1184 ALIAS: 1954 ALIAS:
1185 aio_unlink = EIO_UNLINK 1955 aio_unlink = EIO_UNLINK
1186 aio_rmdir = EIO_RMDIR 1956 aio_rmdir = EIO_RMDIR
1187 aio_readdir = EIO_READDIR 1957 aio_readdir = EIO_READDIR
1188 PPCODE: 1958 PPCODE:
1189{ 1959{
1190 dREQ; 1960 dREQ;
1191 1961
1192 req->type = ix; 1962 req->type = ix;
1193 req->sv1 = newSVsv (pathname); 1963 req_set_path1 (req, pathname);
1194 req->ptr1 = SvPVbyte_nolen (req->sv1);
1195 1964
1196 REQ_SEND; 1965 REQ_SEND;
1197} 1966}
1198 1967
1199void 1968void
1200aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1969aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1201 ALIAS: 1970 ALIAS:
1202 aio_link = EIO_LINK 1971 aio_link = EIO_LINK
1203 aio_symlink = EIO_SYMLINK 1972 aio_symlink = EIO_SYMLINK
1204 aio_rename = EIO_RENAME 1973 aio_rename = EIO_RENAME
1205 PPCODE: 1974 PPCODE:
1206{ 1975{
1976 eio_wd wd2 = 0;
1207 dREQ; 1977 dREQ;
1208 1978
1209 req->type = ix; 1979 req->type = ix;
1210 req->sv1 = newSVsv (oldpath); 1980 req_set_path1 (req, oldpath);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1); 1981 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1212 req->sv2 = newSVsv (newpath); 1982 req->int3 = (long)wd2;
1213 req->ptr2 = SvPVbyte_nolen (req->sv2);
1214 1983
1215 REQ_SEND; 1984 REQ_SEND;
1216} 1985}
1217 1986
1218void 1987void
1988aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1989 PPCODE:
1990{
1991 eio_wd wd2 = 0;
1992 dREQ;
1993
1994 req->type = EIO_RENAME;
1995 req_set_path1 (req, oldpath);
1996 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1997 req->int2 = flags;
1998 req->int3 = (long)wd2;
1999
2000 REQ_SEND;
2001}
2002
2003void
1219aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2004aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1220 PPCODE: 2005 PPCODE:
1221{ 2006{
1222 dREQ; 2007 dREQ;
1223 2008
1224 req->type = EIO_MKNOD; 2009 req->type = EIO_MKNOD;
1225 req->sv1 = newSVsv (pathname);
1226 req->ptr1 = SvPVbyte_nolen (req->sv1);
1227 req->int2 = (mode_t)mode; 2010 req->int2 = (mode_t)mode;
1228 req->offs = dev; 2011 req->offs = dev;
2012 req_set_path1 (req, pathname);
1229 2013
1230 REQ_SEND; 2014 REQ_SEND;
1231} 2015}
1232 2016
1233void 2017void
1234aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2018aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1235 ALIAS: 2019 ALIAS:
1236 aio_mtouch = EIO_MTOUCH 2020 aio_mtouch = EIO_MTOUCH
1237 aio_msync = EIO_MSYNC 2021 aio_msync = EIO_MSYNC
1238 PPCODE: 2022 PPCODE:
1239{ 2023{
1240 STRLEN svlen; 2024 STRLEN svlen;
1241 char *svptr = SvPVbyte (data, svlen); 2025 char *svptr = SvPVbyte (data, svlen);
1242 UV len = SvUV (length); 2026 UV len = SvUV (length);
2027
2028 if (flags < 0)
2029 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1243 2030
1244 if (offset < 0) 2031 if (offset < 0)
1245 offset += svlen; 2032 offset += svlen;
1246 2033
1247 if (offset < 0 || offset > svlen) 2034 if (offset < 0 || offset > svlen)
… …
1262 REQ_SEND; 2049 REQ_SEND;
1263 } 2050 }
1264} 2051}
1265 2052
1266void 2053void
1267aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2054aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1268 PPCODE: 2055 PPCODE:
1269{ 2056{
1270 STRLEN svlen; 2057 STRLEN svlen;
1271 char *svptr = SvPVbyte (data, svlen); 2058 char *svptr = SvPVbyte (data, svlen);
1272 UV len = SvUV (length); 2059 UV len = SvUV (length);
… …
1291 REQ_SEND; 2078 REQ_SEND;
1292 } 2079 }
1293} 2080}
1294 2081
1295void 2082void
1296aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2083aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1297 PPCODE: 2084 PPCODE:
1298{ 2085{
1299 dREQ; 2086 dREQ;
1300 2087
1301 req->type = EIO_MLOCKALL; 2088 req->type = EIO_MLOCKALL;
… …
1303 2090
1304 REQ_SEND; 2091 REQ_SEND;
1305} 2092}
1306 2093
1307void 2094void
2095aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2096 PPCODE:
2097{
2098 int fd = s_fileno_croak (fh, 0);
2099 dREQ;
2100
2101 req->type = EIO_CUSTOM;
2102 req->sv1 = newSVsv (fh);
2103 req->int1 = fd;
2104
2105 req->feed = fiemap;
2106#if HAVE_FIEMAP
2107 /* keep our fingers crossed that the next two types are 64 bit */
2108 req->offs = start;
2109 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2110 req->int2 = flags;
2111 req->int3 = SvOK (count) ? SvIV (count) : -1;
2112#endif
2113
2114 REQ_SEND;
2115}
2116
2117void
2118aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2119 PPCODE:
2120{
2121 char *svptr = 0;
2122
2123 sv_clear_foreign (data);
2124
2125 if (length) /* known length, directly read into scalar */
2126 {
2127 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2128 svptr = sv_grow (data, length + 1);
2129 else if (SvCUR (data) < length)
2130 croak ("length outside of scalar, and cannot grow");
2131 else
2132 svptr = SvPVbyte_nolen (data);
2133 }
2134
2135 {
2136 dREQ;
2137
2138 req->type = EIO_SLURP;
2139 req_set_path1 (req, pathname);
2140 req->offs = offset;
2141 req->size = length;
2142 req->sv2 = SvREFCNT_inc (data);
2143 req->ptr2 = svptr;
2144
2145 if (!SvREADONLY (data))
2146 {
2147 SvREADONLY_on (data);
2148 req->flags |= FLAG_SV2_RO_OFF;
2149 }
2150
2151 REQ_SEND;
2152 }
2153}
2154
2155void
1308aio_busy (double delay, SV *callback=&PL_sv_undef) 2156aio_busy (double delay, SV *callback = &PL_sv_undef)
1309 PPCODE: 2157 PPCODE:
1310{ 2158{
1311 dREQ; 2159 dREQ;
1312 2160
1313 req->type = EIO_BUSY; 2161 req->type = EIO_BUSY;
… …
1315 2163
1316 REQ_SEND; 2164 REQ_SEND;
1317} 2165}
1318 2166
1319void 2167void
1320aio_group (SV *callback=&PL_sv_undef) 2168aio_group (SV *callback = &PL_sv_undef)
1321 PPCODE: 2169 PPCODE:
1322{ 2170{
1323 dREQ; 2171 dREQ;
1324 2172
1325 req->type = EIO_GROUP; 2173 req->type = EIO_GROUP;
1326 2174
2175 PUTBACK;
1327 req_submit (req); 2176 req_submit (req);
2177 SPAGAIN;
2178
1328 XPUSHs (req_sv (req, aio_grp_stash)); 2179 XPUSHs (req_sv (req, aio_grp_stash));
1329} 2180}
1330 2181
1331void 2182void
1332aio_nop (SV *callback=&PL_sv_undef) 2183aio_nop (SV *callback = &PL_sv_undef)
1333 ALIAS: 2184 ALIAS:
1334 aio_nop = EIO_NOP 2185 aio_nop = EIO_NOP
1335 aio_sync = EIO_SYNC 2186 aio_sync = EIO_SYNC
1336 PPCODE: 2187 PPCODE:
1337{ 2188{
… …
1341 2192
1342 REQ_SEND; 2193 REQ_SEND;
1343} 2194}
1344 2195
1345int 2196int
1346aioreq_pri (int pri = 0) 2197aioreq_pri (int pri = NO_INIT)
1347 CODE: 2198 CODE:
1348 RETVAL = next_pri; 2199 RETVAL = next_pri;
1349 if (items > 0) 2200 if (items > 0)
1350 { 2201 {
1351 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2202 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1433 CODE: 2284 CODE:
1434 RETVAL = posix_fadvise (fh, offset, length, advice); 2285 RETVAL = posix_fadvise (fh, offset, length, advice);
1435 OUTPUT: 2286 OUTPUT:
1436 RETVAL 2287 RETVAL
1437 2288
1438ssize_t 2289IV
1439sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2290sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1440 CODE: 2291 CODE:
1441 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2292 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1442 OUTPUT: 2293 OUTPUT:
1443 RETVAL 2294 RETVAL
1444 2295
1445void 2296void
1446mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2297mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1447 PPCODE: 2298 PPCODE:
1448 sv_unmagic (scalar, MMAP_MAGIC); 2299 sv_clear_foreign (scalar);
1449{ 2300{
1450 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2301 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1451 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2302 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1452 if (addr == (void *)-1) 2303 if (addr == (void *)-1)
1453 XSRETURN_NO; 2304 XSRETURN_NO;
1454 2305
1455 sv_force_normal (scalar); 2306 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1456
1457 /* we store the length in mg_obj, as namlen is I32 :/ */
1458 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1459 ->mg_obj = (SV *)length;
1460
1461 SvUPGRADE (scalar, SVt_PV); /* nop... */
1462 2307
1463 if (!(prot & PROT_WRITE)) 2308 if (!(prot & PROT_WRITE))
1464 SvREADONLY_on (scalar); 2309 SvREADONLY_on (scalar);
1465 2310
1466 if (SvLEN (scalar))
1467 Safefree (SvPVX (scalar));
1468
1469 SvPVX (scalar) = (char *)addr;
1470 SvCUR_set (scalar, length);
1471 SvLEN_set (scalar, 0);
1472 SvPOK_only (scalar);
1473
1474 XSRETURN_YES; 2311 XSRETURN_YES;
1475} 2312}
1476 2313
1477void 2314void
1478munmap (SV *scalar) 2315munmap (SV *scalar)
1479 CODE: 2316 CODE:
1480 sv_unmagic (scalar, MMAP_MAGIC); 2317 sv_clear_foreign (scalar);
2318
2319SV *
2320mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2321 CODE:
2322{
2323 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2324 void *new;
2325
2326 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2327 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2328
2329 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2330
2331 RETVAL = &PL_sv_no;
2332
2333 if (new != (void *)-1)
2334 {
2335 RETVAL = new == (void *)mg->mg_ptr
2336 ? newSVpvn ("0 but true", 10)
2337 : &PL_sv_yes;
2338
2339 mg->mg_ptr = (char *)new;
2340 mg->mg_obj = (SV *)new_length;
2341
2342 SvPVX (scalar) = mg->mg_ptr;
2343 SvCUR_set (scalar, new_length);
2344 }
2345}
2346 OUTPUT:
2347 RETVAL
1481 2348
1482int 2349int
1483madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2350madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1484 ALIAS: 2351 ALIAS:
1485 mprotect = 1 2352 mprotect = 1
1486 CODE: 2353 CODE:
1487{ 2354{
1488 STRLEN svlen; 2355 STRLEN svlen;
1489 void *addr = SvPVbyte (scalar, svlen); 2356 void *addr = SvPVbyte (scalar, svlen);
1490 size_t len = SvUV (length); 2357 STRLEN len = SvUV (length);
1491 2358
1492 if (offset < 0) 2359 if (offset < 0)
1493 offset += svlen; 2360 offset += svlen;
1494 2361
1495 if (offset < 0 || offset > svlen) 2362 if (offset < 0 || offset > svlen)
… …
1509} 2376}
1510 OUTPUT: 2377 OUTPUT:
1511 RETVAL 2378 RETVAL
1512 2379
1513int 2380int
1514munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2381munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1515 CODE: 2382 CODE:
1516{ 2383{
1517 STRLEN svlen; 2384 STRLEN svlen;
1518 void *addr = SvPVbyte (scalar, svlen); 2385 void *addr = SvPVbyte (scalar, svlen);
1519 size_t len = SvUV (length); 2386 size_t len = SvUV (length);
1520 2387
1521 if (offset < 0) 2388 if (offset < 0)
1522 offset += svlen; 2389 offset += svlen;
1523 2390
… …
1530 addr = (void *)(((intptr_t)addr) + offset); 2397 addr = (void *)(((intptr_t)addr) + offset);
1531 eio_page_align (&addr, &len); 2398 eio_page_align (&addr, &len);
1532#if _POSIX_MEMLOCK_RANGE 2399#if _POSIX_MEMLOCK_RANGE
1533 RETVAL = munlock (addr, len); 2400 RETVAL = munlock (addr, len);
1534#else 2401#else
1535 RETVAL = ((errno = ENOSYS), -1); 2402 RETVAL = EIO_ENOSYS ();
1536#endif 2403#endif
1537} 2404}
1538 OUTPUT: 2405 OUTPUT:
2406 RETVAL
2407
2408int
2409mlockall (int flags)
2410 PROTOTYPE: $;
2411 CODE:
2412 RETVAL = eio_mlockall_sync (flags);
2413 OUTPUT:
1539 RETVAL 2414 RETVAL
1540 2415
1541int 2416int
1542munlockall () 2417munlockall ()
1543 CODE: 2418 CODE:
1544#if _POSIX_MEMLOCK 2419#if _POSIX_MEMLOCK
1545 munlockall (); 2420 munlockall ();
1546#else 2421#else
1547 RETVAL = -1; 2422 RETVAL = EIO_ENOSYS ();
1548 errno = ENOSYS;
1549#endif 2423#endif
1550 OUTPUT: 2424 OUTPUT:
1551 RETVAL 2425 RETVAL
2426
2427int
2428statx (SV8 *pathname, int flags, UV mask)
2429 CODE:
2430{
2431 /* undocumented, and might go away, and anyway, should use eio_statx */
2432 SV *wdsv = 0;
2433 SV *pathsv = 0;
2434 eio_wd wd = EIO_CWD;
2435 void *ptr;
2436 int res;
2437
2438 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2439 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2440
2441 SvREFCNT_dec (pathsv);
2442 SvREFCNT_dec (wdsv);
2443}
2444 OUTPUT:
2445 RETVAL
2446
2447U32
2448stx_mode ()
2449 PROTOTYPE:
2450 CODE:
2451#if HAVE_STATX
2452 RETVAL = stx.stx_mode;
2453#else
2454 XSRETURN_UNDEF;
2455#endif
2456 OUTPUT:
2457 RETVAL
2458
2459#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2460#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2461#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2462#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2463#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2464#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2465#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2466#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2467#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2468#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2469#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2470#define STATX_OFFSET_size statx_offsetof (stx_size)
2471#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2472#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2473#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2474#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2475#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2476#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2477
2478U32
2479stx_mask ()
2480 PROTOTYPE:
2481 ALIAS:
2482 stx_mask = STATX_OFFSET_mask
2483 stx_blksize = STATX_OFFSET_blksize
2484 stx_nlink = STATX_OFFSET_nlink
2485 stx_uid = STATX_OFFSET_uid
2486 stx_gid = STATX_OFFSET_gid
2487 stx_rdev_major = STATX_OFFSET_rdev_major
2488 stx_rdev_minor = STATX_OFFSET_rdev_minor
2489 stx_dev_major = STATX_OFFSET_dev_major
2490 stx_dev_minor = STATX_OFFSET_dev_minor
2491 CODE:
2492#if HAVE_STATX
2493 RETVAL = *(__u32 *)((char *)&stx + ix);
2494#else
2495 XSRETURN_UNDEF;
2496#endif
2497 OUTPUT:
2498 RETVAL
2499
2500VAL64
2501stx_attributes ()
2502 PROTOTYPE:
2503 ALIAS:
2504 stx_attributes = STATX_OFFSET_attributes
2505 stx_ino = STATX_OFFSET_ino
2506 stx_size = STATX_OFFSET_size
2507 stx_blocks = STATX_OFFSET_blocks
2508 stx_attributes_mask = STATX_OFFSET_attributes_mask
2509 CODE:
2510#if HAVE_STATX
2511 RETVAL = *(__u64 *)((char *)&stx + ix);
2512#else
2513 XSRETURN_UNDEF;
2514#endif
2515 OUTPUT:
2516 RETVAL
2517
2518NV
2519stx_atime ()
2520 PROTOTYPE:
2521 ALIAS:
2522 stx_atime = STATX_OFFSET_atime
2523 stx_btime = STATX_OFFSET_btime
2524 stx_ctime = STATX_OFFSET_ctime
2525 stx_mtime = STATX_OFFSET_mtime
2526 CODE:
2527#if HAVE_STATX
2528 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2529 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2530#else
2531 XSRETURN_UNDEF;
2532#endif
2533 OUTPUT:
2534 RETVAL
2535
2536VAL64
2537stx_atimesec ()
2538 PROTOTYPE:
2539 ALIAS:
2540 stx_atimesec = STATX_OFFSET_atime
2541 stx_btimesec = STATX_OFFSET_btime
2542 stx_ctimesec = STATX_OFFSET_ctime
2543 stx_mtimesec = STATX_OFFSET_mtime
2544 CODE:
2545#if HAVE_STATX
2546 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2547 RETVAL = ts->tv_sec;
2548#else
2549 XSRETURN_UNDEF;
2550#endif
2551 OUTPUT:
2552 RETVAL
2553
2554U32
2555stx_atimensec ()
2556 PROTOTYPE:
2557 ALIAS:
2558 stx_atimensec = STATX_OFFSET_atime
2559 stx_btimensec = STATX_OFFSET_btime
2560 stx_ctimensec = STATX_OFFSET_ctime
2561 stx_mtimensec = STATX_OFFSET_mtime
2562 CODE:
2563#if HAVE_STATX
2564 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2565 RETVAL = ts->tv_nsec;
2566#else
2567 RETVAL = 0;
2568#endif
2569 OUTPUT:
2570 RETVAL
2571
2572void
2573accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2574 PPCODE:
2575{
2576 SV *retval;
2577#if HAVE_ACCEPT4
2578 socklen_t salen_ = salen ? salen + 1 : 0;
2579
2580 if (salen)
2581 {
2582 sv_upgrade (sockaddr, SVt_PV);
2583 sv_grow (sockaddr, salen_);
2584 }
2585
2586 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2587
2588 retval = newmortalFH (res, O_RDWR);
2589
2590 if (res >= 0 && salen > 0)
2591 {
2592 if (salen_ > salen + 1)
2593 salen_ = salen + 1;
2594
2595 SvPOK_only (sockaddr);
2596 SvCUR_set (sockaddr, salen_);
2597 }
2598#else
2599 errno = ENOSYS;
2600 retval = &PL_sv_undef;
2601#endif
2602 XPUSHs (retval);
2603}
2604
2605ssize_t
2606splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2607 CODE:
2608{
2609#if HAVE_LINUX_SPLICE
2610 loff_t off_in_, off_out_;
2611 RETVAL = splice (
2612 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2613 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2614 length, flags
2615 );
2616#else
2617 RETVAL = EIO_ENOSYS ();
2618#endif
2619}
2620 OUTPUT:
2621 RETVAL
2622
2623ssize_t
2624tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2625 CODE:
2626#if HAVE_LINUX_SPLICE
2627 RETVAL = tee (rfh, wfh, length, flags);
2628#else
2629 RETVAL = EIO_ENOSYS ();
2630#endif
2631 OUTPUT:
2632 RETVAL
2633
2634int
2635pipesize (aio_rfd rfh, int new_size = -1)
2636 PROTOTYPE: $;$
2637 CODE:
2638#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2639 if (new_size >= 0)
2640 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2641 else
2642 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2643#else
2644 errno = ENOSYS;
2645 RETVAL = -1;
2646#endif
2647 OUTPUT:
2648 RETVAL
2649
2650void
2651pipe2 (int flags = 0)
2652 PROTOTYPE: ;$
2653 PPCODE:
2654{
2655 int fd[2];
2656 int res;
2657
2658 if (flags)
2659#if HAVE_PIPE2
2660 res = pipe2 (fd, flags);
2661#else
2662 res = (errno = ENOSYS, -1);
2663#endif
2664 else
2665 res = pipe (fd);
2666
2667 if (!res)
2668 {
2669 EXTEND (SP, 2);
2670 PUSHs (newmortalFH (fd[0], O_RDONLY));
2671 PUSHs (newmortalFH (fd[1], O_WRONLY));
2672 }
2673}
2674
2675void
2676pidfd_open (int pid, unsigned int flags = 0)
2677 PPCODE:
2678{
2679 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2680 int fd = syscall (SYS_pidfd_open, pid, flags);
2681 XPUSHs (newmortalFH (fd, O_RDWR));
2682}
2683
2684int
2685pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2686 PPCODE:
2687{
2688 int res;
2689#if HAVE_SIGINFO_T
2690 siginfo_t si = { 0 };
2691
2692 if (SvOK (siginfo))
2693 {
2694 HV *hv;
2695 SV **svp;
2696
2697 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2698 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2699
2700 hv = (HV *)SvRV (siginfo);
2701
2702 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2704 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2705 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2706 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2707 }
2708
2709 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2710 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2711#else
2712 res = (errno = ENOSYS, -1);
2713#endif
2714
2715 XPUSHs (sv_2mortal (newSViv (res)));
2716}
2717
2718void
2719pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2720 PPCODE:
2721{
2722 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2723 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2724 XPUSHs (newmortalFH (fd, O_RDWR));
2725}
2726
2727void
2728eventfd (unsigned int initval = 0, int flags = 0)
2729 PPCODE:
2730{
2731 int fd;
2732#if HAVE_EVENTFD
2733 fd = eventfd (initval, flags);
2734#else
2735 fd = (errno = ENOSYS, -1);
2736#endif
2737
2738 XPUSHs (newmortalFH (fd, O_RDWR));
2739}
2740
2741void
2742timerfd_create (int clockid, int flags = 0)
2743 PPCODE:
2744{
2745 int fd;
2746#if HAVE_TIMERFD
2747 fd = timerfd_create (clockid, flags);
2748#else
2749 fd = (errno = ENOSYS, -1);
2750#endif
2751
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756timerfd_settime (SV *fh, int flags, NV interval, NV value)
2757 PPCODE:
2758{
2759 int fd = s_fileno_croak (fh, 0);
2760#if HAVE_TIMERFD
2761 int res;
2762 struct itimerspec its, ots;
2763
2764 ts_set (&its.it_interval, interval);
2765 ts_set (&its.it_value , value);
2766 res = timerfd_settime (fd, flags, &its, &ots);
2767
2768 if (!res)
2769 {
2770 EXTEND (SP, 2);
2771 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2772 PUSHs (newSVnv (ts_get (&ots.it_value)));
2773 }
2774#else
2775 errno = ENOSYS;
2776#endif
2777}
2778
2779void
2780timerfd_gettime (SV *fh)
2781 PPCODE:
2782{
2783 int fd = s_fileno_croak (fh, 0);
2784#if HAVE_TIMERFD
2785 int res;
2786 struct itimerspec ots;
2787 res = timerfd_gettime (fd, &ots);
2788
2789 if (!res)
2790 {
2791 EXTEND (SP, 2);
2792 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2793 PUSHs (newSVnv (ts_get (&ots.it_value)));
2794 }
2795#else
2796 errno = ENOSYS;
2797#endif
2798}
2799
2800void
2801memfd_create (SV8 *pathname, int flags = 0)
2802 PPCODE:
2803{
2804 int fd;
2805#if HAVE_MEMFD_CREATE
2806 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2807#else
2808 fd = (errno = ENOSYS, -1);
2809#endif
2810
2811 XPUSHs (newmortalFH (fd, O_RDWR));
2812}
2813
2814UV
2815get_fdlimit ()
2816 CODE:
2817#if HAVE_RLIMITS
2818 struct rlimit rl;
2819 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2820 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2821#endif
2822 XSRETURN_UNDEF;
2823 OUTPUT:
2824 RETVAL
2825
2826void
2827min_fdlimit (UV limit = 0x7fffffffU)
2828 CODE:
2829{
2830#if HAVE_RLIMITS
2831 struct rlimit rl;
2832 rlim_t orig_rlim_max;
2833 UV bit;
2834
2835 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2836 goto fail;
2837
2838 if (rl.rlim_cur == RLIM_INFINITY)
2839 XSRETURN_YES;
2840
2841 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2842
2843 if (rl.rlim_cur < limit)
2844 {
2845 rl.rlim_cur = limit;
2846
2847 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2848 rl.rlim_max = rl.rlim_cur;
2849 }
2850
2851 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2852 XSRETURN_YES;
2853
2854 if (errno == EPERM)
2855 {
2856 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2857 /* our limit overflows a system-wide limit */
2858 /* try an adaptive algorithm, but do not lower the hardlimit */
2859 rl.rlim_max = 0;
2860 for (bit = 0x40000000U; bit; bit >>= 1)
2861 {
2862 rl.rlim_max |= bit;
2863 rl.rlim_cur = rl.rlim_max;
2864
2865 /* never decrease the hard limit */
2866 if (rl.rlim_max < orig_rlim_max)
2867 break;
2868
2869 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2870 rl.rlim_max &= ~bit; /* too high, remove bit again */
2871 }
2872
2873 /* now, raise the soft limit to the max permitted */
2874 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2875 {
2876 rl.rlim_cur = rl.rlim_max;
2877 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2878 errno = EPERM;
2879 }
2880 }
2881#endif
2882 fail:
2883 XSRETURN_UNDEF;
2884}
1552 2885
1553void _on_next_submit (SV *cb) 2886void _on_next_submit (SV *cb)
1554 CODE: 2887 CODE:
1555 SvREFCNT_dec (on_next_submit); 2888 SvREFCNT_dec (on_next_submit);
1556 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2889 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1557 2890
1558PROTOTYPES: DISABLE 2891PROTOTYPES: DISABLE
1559 2892
2893MODULE = IO::AIO PACKAGE = IO::AIO::WD
2894
2895BOOT:
2896{
2897 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2898 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2899}
2900
2901void
2902DESTROY (SV *self)
2903 CODE:
2904{
2905 aio_wd wd = SvAIO_WD (self);
2906#if HAVE_AT
2907 {
2908 SV *callback = &PL_sv_undef;
2909 dREQ; /* clobbers next_pri :/ */
2910 next_pri = req->pri; /* restore next_pri */
2911 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2912 req->type = EIO_WD_CLOSE;
2913 req->wd = wd;
2914 REQ_SEND;
2915 }
2916#else
2917 eio_wd_close_sync (wd);
2918#endif
2919}
2920
1560MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2921MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1561 2922
1562void 2923void
1563cancel (aio_req_ornot req) 2924cancel (aio_req_ornot req)
1564 CODE: 2925 CODE:
1565 eio_cancel (req); 2926 eio_cancel (req);
1566 2927
1567void 2928void
1568cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2929cb (aio_req_ornot req, SV *callback = NO_INIT)
1569 PPCODE: 2930 PPCODE:
1570{ 2931{
1571 if (GIMME_V != G_VOID) 2932 if (GIMME_V != G_VOID)
1572 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2933 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1573 2934
1574 if (items > 1) 2935 if (items > 1)
1575 { 2936 {
1576 SV *cb_cv =get_cb (callback); 2937 SV *cb_cv = get_cb (callback);
1577 2938
1578 SvREFCNT_dec (req->callback); 2939 SvREFCNT_dec (req->callback);
1579 req->callback = SvREFCNT_inc (cb_cv); 2940 req->callback = SvREFCNT_inc (cb_cv);
1580 } 2941 }
1581} 2942}
… …
1638limit (aio_req grp, int limit) 2999limit (aio_req grp, int limit)
1639 CODE: 3000 CODE:
1640 eio_grp_limit (grp, limit); 3001 eio_grp_limit (grp, limit);
1641 3002
1642void 3003void
1643feed (aio_req grp, SV *callback=&PL_sv_undef) 3004feed (aio_req grp, SV *callback = &PL_sv_undef)
1644 CODE: 3005 CODE:
1645{ 3006{
1646 SvREFCNT_dec (grp->sv2); 3007 SvREFCNT_dec (grp->sv2);
1647 grp->sv2 = newSVsv (callback); 3008 grp->sv2 = newSVsv (callback);
1648 grp->feed = aio_grp_feed; 3009 grp->feed = aio_grp_feed;

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