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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.173 by root, Mon Sep 13 01:59:05 2010 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 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_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/eio.h" 188#include "libeio/eio.h"
124 189
125#ifndef POSIX_FADV_NORMAL 190static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 191#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 192static void req_destroy (eio_req *grp);
128#endif 193#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
144 194
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 195#include "libeio/eio.c"
196
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 201#if !HAVE_POSIX_MADVISE
150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif
153#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0
155#endif
156#ifndef POSIX_MADV_RANDOM
157# define POSIX_MADV_RANDOM 0
158#endif
159#ifndef POSIX_MADV_WILLNEED
160# define POSIX_MADV_WILLNEED 0
161#endif
162#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0
164#endif
165
166#if _XOPEN_SOURCE < 600 || NO_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif
169
170#ifndef PROT_NONE
171# define PROT_NONE 0
172#endif
173#ifndef PROT_READ
174# define PROT_READ 0
175#endif
176#ifndef PROT_WRITE
177# define PROT_READ 0
178#endif
179#ifndef PROT_EXEC
180# define PROT_EXEC 0
181#endif
182
183#ifndef ST_NODEV
184# define ST_NODEV 0
185#endif
186#ifndef ST_NOEXEC
187# define ST_NOEXEC 0
188#endif
189#ifndef ST_SYNCHRONOUS
190# define ST_SYNCHRONOUS 0
191#endif
192#ifndef ST_MANDLOCK
193# define ST_MANDLOCK 0
194#endif
195#ifndef ST_WRITE
196# define ST_WRITE 0
197#endif
198#ifndef ST_APPEND
199# define ST_APPEND 0
200#endif
201#ifndef ST_IMMUTABLE
202# define ST_IMMUTABLE 0
203#endif
204#ifndef ST_NOATIME
205# define ST_NOATIME 0
206#endif
207#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0
209#endif
210#ifndef ST_RELATIME
211# define ST_RELATIME 0
212#endif 203#endif
213 204
214#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
215# ifdef MAP_ANON 206# ifdef MAP_ANON
216# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
217# else 208# else
218# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
219# endif 210# endif
220#endif 211#endif
221#ifndef MAP_HUGETLB
222# define MAP_HUGETLB 0
223#endif
224#ifndef MAP_LOCKED
225# define MAP_LOCKED 0
226#endif
227#ifndef MAP_NORESERVE
228# define MAP_NORESERVE 0
229#endif
230#ifndef MAP_POPULATE
231# define MAP_POPULATE 0
232#endif
233#ifndef MAP_NONBLOCK
234# define MAP_NONBLOCK 0
235#endif
236 212
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
237#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
238# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
239#endif 230#endif
240 231
241static int req_invoke (eio_req *req); 232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
242#define EIO_FINISH(req) req_invoke (req) 233#ifdef __sun
243static void req_destroy (eio_req *grp); 234# undef HAVE_SYSCALL
244#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
245 455
246enum { 456enum {
247 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
248}; 458};
249 459
250#include "libeio/eio.c"
251
252typedef eio_req *aio_req; 460typedef eio_req *aio_req;
253typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
254 463
255static SV *on_next_submit; 464static SV *on_next_submit;
256static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
257static int max_outstanding; 466static int max_outstanding;
258 467
259static s_epipe respipe; 468static s_epipe respipe;
260 469
261static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
262static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
263 472
264static void want_poll (void) 473static void
474want_poll (void)
265{ 475{
266 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
267 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
268} 478}
269 479
270static void done_poll (void) 480static void
481done_poll (void)
271{ 482{
272 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
273 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
274} 485}
275 486
276/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
277static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
278{ 491{
279 if (!req->self) 492 if (!req->self)
280 { 493 {
281 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
282 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
283 } 496 }
284 497
285 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
286} 499}
287 500
288static 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)
289{ 510{
290 MAGIC *mg; 511 MAGIC *mg;
291 512
292 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
293 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
294 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
295 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
296 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
297 519
298 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
299 521
300 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
301} 523}
302 524
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
303static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
304{ 563{
305 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
306 { 565 {
307 dSP; 566 dSP;
308 567
… …
316 FREETMPS; 575 FREETMPS;
317 LEAVE; 576 LEAVE;
318 } 577 }
319} 578}
320 579
580ecb_noinline
581static void
321static void req_submit (eio_req *req) 582req_submit (eio_req *req)
322{ 583{
323 eio_submit (req); 584 eio_submit (req);
324 585
325 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
326 { 587 {
… …
333 PUTBACK; 594 PUTBACK;
334 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
335 } 596 }
336} 597}
337 598
599static int
338static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
339{ 601{
340 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
341 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
342 604
343 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
354 /* do not recreate the result IV from scratch each time */ 616 /* do not recreate the result IV from scratch each time */
355 if (expect_true (sv_result_cache)) 617 if (expect_true (sv_result_cache))
356 { 618 {
357 sv_result = sv_result_cache; sv_result_cache = 0; 619 sv_result = sv_result_cache; sv_result_cache = 0;
358 SvIV_set (sv_result, req->result); 620 SvIV_set (sv_result, req->result);
621 SvIOK_only (sv_result);
359 } 622 }
360 else 623 else
361 { 624 {
362 sv_result = newSViv (req->result); 625 sv_result = newSViv (req->result);
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(), su 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
537 default: 862 default:
… …
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# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
643#endif
644
645#define MMAP_MAGIC PERL_MAGIC_ext
646
647static int
648mmap_free (pTHX_ SV *sv, MAGIC *mg)
649{
650 int old_errno = errno;
651 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
652 errno = old_errno;
653
654 mg->mg_obj = 0; /* just in case */
655
656 SvREADONLY_off (sv);
657
658 if (SvPVX (sv) != mg->mg_ptr)
659 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
660
661 SvCUR_set (sv, 0);
662 SvPVX (sv) = 0;
663 SvOK_off (sv);
664
665 return 0;
666} 970}
667
668static MGVTBL mmap_vtbl = {
669 0, 0, 0, 0, mmap_free
670};
671 971
672/*****************************************************************************/ 972/*****************************************************************************/
673 973
674static SV * 974static SV *
675get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
676{ 976{
677 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
678 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
679} 979}
680 980
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
681#define dREQ \ 1002#define dREQ \
682 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
683 aio_req req; \
684 int req_pri = next_pri; \
685 next_pri = EIO_PRI_DEFAULT; \
686 \
687 cb_cv = get_cb (callback); \
688 \
689 Newz (0, req, 1, eio_req); \
690 if (!req) \
691 croak ("out of memory during eio_req allocation"); \
692 \
693 req->callback = SvREFCNT_inc (cb_cv); \
694 req->pri = req_pri
695 1004
696#define REQ_SEND \ 1005#define REQ_SEND \
697 PUTBACK; \ 1006 PUTBACK; \
698 req_submit (req); \ 1007 req_submit (req); \
699 SPAGAIN; \ 1008 SPAGAIN; \
700 \ 1009 \
701 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
702 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
703 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
1098/* extract a ref-to-array of strings into a temporary c style string vector */
1099static char **
1100extract_stringvec (SV *sv, const char *croakmsg)
1101{
1102 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1103 croak (croakmsg);
1104
1105 AV *av = (AV *)SvRV (sv);
1106 int i, nelem = av_len (av) + 1;
1107 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1108
1109 for (i = 0; i < nelem; ++i)
1110 {
1111 SV **e = av_fetch (av, i, 0);
1112
1113 if (e && *e)
1114 vecp[i] = SvPVbyte_nolen (*e);
1115 else
1116 vecp[i] = "";
1117 }
1118
1119 vecp[nelem] = 0;
1120
1121 return vecp;
1122}
1123
1124/*****************************************************************************/
1125
1126XS(boot_IO__AIO) ecb_cold;
1127
704MODULE = IO::AIO PACKAGE = IO::AIO 1128MODULE = IO::AIO PACKAGE = IO::AIO
705 1129
706PROTOTYPES: ENABLE 1130PROTOTYPES: ENABLE
707 1131
708BOOT: 1132BOOT:
… …
712 IV iv; 1136 IV iv;
713 } *civ, const_iv[] = { 1137 } *civ, const_iv[] = {
714# define const_niv(name, value) { # name, (IV) value }, 1138# define const_niv(name, value) { # name, (IV) value },
715# define const_iv(name) { # name, (IV) name }, 1139# define const_iv(name) { # name, (IV) name },
716# define const_eio(name) { # name, (IV) EIO_ ## name }, 1140# define const_eio(name) { # name, (IV) EIO_ ## name },
1141
1142 /* you have to re-run ./gendef0 after adding/removing any constants here */
1143 /* the first block can be undef if missing */
1144 const_iv (ENOSYS)
717 const_iv (EXDEV) 1145 const_iv (EXDEV)
718 const_iv (ENOSYS) 1146 const_iv (EBADR)
1147
1148 /* for lseek */
1149 const_iv (SEEK_DATA)
1150 const_iv (SEEK_HOLE)
1151
1152 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1153 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1154 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1155 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1156 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1157 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1158
1159 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1160 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1161 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1162 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1163 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1164
1165 /* the second block will be 0 when missing */
1166 const_iv (O_ACCMODE)
1167
719 const_iv (O_RDONLY) 1168 const_iv (O_RDONLY)
720 const_iv (O_WRONLY) 1169 const_iv (O_WRONLY)
721 const_iv (O_RDWR) 1170 const_iv (O_RDWR)
722 const_iv (O_CREAT) 1171 const_iv (O_CREAT)
723 const_iv (O_TRUNC) 1172 const_iv (O_TRUNC)
724 const_iv (O_EXCL) 1173 const_iv (O_EXCL)
725 const_iv (O_APPEND) 1174 const_iv (O_APPEND)
726#ifndef _WIN32 1175
1176 const_iv (O_ASYNC)
1177 const_iv (O_DIRECT)
1178 const_iv (O_NOATIME)
1179
1180 const_iv (O_CLOEXEC)
1181 const_iv (O_NOCTTY)
1182 const_iv (O_NOFOLLOW)
1183 const_iv (O_NONBLOCK)
1184 const_iv (O_EXEC)
1185 const_iv (O_SEARCH)
1186 const_iv (O_DIRECTORY)
1187 const_iv (O_DSYNC)
1188 const_iv (O_RSYNC)
1189 const_iv (O_SYNC)
1190 const_iv (O_PATH)
1191 const_iv (O_TMPFILE)
1192 const_iv (O_TTY_INIT)
1193
727 const_iv (S_IFIFO) 1194 const_iv (S_IFIFO)
728#endif 1195 const_iv (S_IFCHR)
729 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1196 const_iv (S_IFBLK)
730 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1197 const_iv (S_IFLNK)
731 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1198 const_iv (S_IFREG)
732 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1199 const_iv (S_IFDIR)
733 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1200 const_iv (S_IFWHT)
734 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1201 const_iv (S_IFSOCK)
735 1202 const_iv (S_IFMT)
736 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
737 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
738 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
739 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
740 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
741 1203
742 const_iv (ST_RDONLY) 1204 const_iv (ST_RDONLY)
743 const_iv (ST_NOSUID) 1205 const_iv (ST_NOSUID)
744 const_iv (ST_NODEV) 1206 const_iv (ST_NODEV)
745 const_iv (ST_NOEXEC) 1207 const_iv (ST_NOEXEC)
… …
755 const_iv (PROT_NONE) 1217 const_iv (PROT_NONE)
756 const_iv (PROT_EXEC) 1218 const_iv (PROT_EXEC)
757 const_iv (PROT_READ) 1219 const_iv (PROT_READ)
758 const_iv (PROT_WRITE) 1220 const_iv (PROT_WRITE)
759 1221
760 /*const_iv (MAP_FIXED)*/
761 const_iv (MAP_PRIVATE) 1222 const_iv (MAP_PRIVATE)
762 const_iv (MAP_SHARED) 1223 const_iv (MAP_SHARED)
1224 const_iv (MAP_FIXED)
763 const_iv (MAP_ANONYMOUS) 1225 const_iv (MAP_ANONYMOUS)
764 1226
765 /* linuxish */ 1227 /* linuxish */
766 const_iv (MAP_HUGETLB)
767 const_iv (MAP_LOCKED) 1228 const_iv (MAP_LOCKED)
768 const_iv (MAP_NORESERVE) 1229 const_iv (MAP_NORESERVE)
769 const_iv (MAP_POPULATE) 1230 const_iv (MAP_POPULATE)
770 const_iv (MAP_NONBLOCK) 1231 const_iv (MAP_NONBLOCK)
1232 const_iv (MAP_GROWSDOWN)
1233 const_iv (MAP_32BIT)
1234 const_iv (MAP_HUGETLB)
1235 const_iv (MAP_STACK)
1236 const_iv (MAP_FIXED_NOREPLACE)
1237 const_iv (MAP_SHARED_VALIDATE)
1238 const_iv (MAP_SYNC)
1239 const_iv (MAP_UNINITIALIZED)
1240
1241 const_iv (MREMAP_MAYMOVE)
1242 const_iv (MREMAP_FIXED)
1243
1244 const_iv (MSG_CMSG_CLOEXEC)
1245 const_iv (SOCK_CLOEXEC)
1246
1247 const_iv (F_DUPFD_CLOEXEC)
1248
1249 const_iv (F_ADD_SEALS)
1250 const_iv (F_GET_SEALS)
1251 const_iv (F_SEAL_SEAL)
1252 const_iv (F_SEAL_SHRINK)
1253 const_iv (F_SEAL_GROW)
1254 const_iv (F_SEAL_WRITE)
1255
1256 const_iv (F_OFD_GETLK)
1257 const_iv (F_OFD_SETLK)
1258 const_iv (F_OFD_GETLKW)
1259
1260 const_iv (FIFREEZE)
1261 const_iv (FITHAW)
1262 const_iv (FITRIM)
1263 const_iv (FICLONE)
1264 const_iv (FICLONERANGE)
1265 const_iv (FIDEDUPERANGE)
1266
1267 const_iv (FS_IOC_GETFLAGS)
1268 const_iv (FS_IOC_SETFLAGS)
1269 const_iv (FS_IOC_GETVERSION)
1270 const_iv (FS_IOC_SETVERSION)
1271 const_iv (FS_IOC_FIEMAP)
1272 const_iv (FS_IOC_FSGETXATTR)
1273 const_iv (FS_IOC_FSSETXATTR)
1274 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1275 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1276 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1277
1278 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1279
1280 const_iv (FS_SECRM_FL)
1281 const_iv (FS_UNRM_FL)
1282 const_iv (FS_COMPR_FL)
1283 const_iv (FS_SYNC_FL)
1284 const_iv (FS_IMMUTABLE_FL)
1285 const_iv (FS_APPEND_FL)
1286 const_iv (FS_NODUMP_FL)
1287 const_iv (FS_NOATIME_FL)
1288 const_iv (FS_DIRTY_FL)
1289 const_iv (FS_COMPRBLK_FL)
1290 const_iv (FS_NOCOMP_FL)
1291 const_iv (FS_ENCRYPT_FL)
1292 const_iv (FS_BTREE_FL)
1293 const_iv (FS_INDEX_FL)
1294 const_iv (FS_JOURNAL_DATA_FL)
1295 const_iv (FS_NOTAIL_FL)
1296 const_iv (FS_DIRSYNC_FL)
1297 const_iv (FS_TOPDIR_FL)
1298 const_iv (FS_FL_USER_MODIFIABLE)
1299
1300 const_iv (FS_XFLAG_REALTIME)
1301 const_iv (FS_XFLAG_PREALLOC)
1302 const_iv (FS_XFLAG_IMMUTABLE)
1303 const_iv (FS_XFLAG_APPEND)
1304 const_iv (FS_XFLAG_SYNC)
1305 const_iv (FS_XFLAG_NOATIME)
1306 const_iv (FS_XFLAG_NODUMP)
1307 const_iv (FS_XFLAG_RTINHERIT)
1308 const_iv (FS_XFLAG_PROJINHERIT)
1309 const_iv (FS_XFLAG_NOSYMLINKS)
1310 const_iv (FS_XFLAG_EXTSIZE)
1311 const_iv (FS_XFLAG_EXTSZINHERIT)
1312 const_iv (FS_XFLAG_NODEFRAG)
1313 const_iv (FS_XFLAG_FILESTREAM)
1314 const_iv (FS_XFLAG_DAX)
1315 const_iv (FS_XFLAG_HASATTR)
1316
1317 const_iv (FIEMAP_FLAG_SYNC)
1318 const_iv (FIEMAP_FLAG_XATTR)
1319 const_iv (FIEMAP_FLAGS_COMPAT)
1320 const_iv (FIEMAP_EXTENT_LAST)
1321 const_iv (FIEMAP_EXTENT_UNKNOWN)
1322 const_iv (FIEMAP_EXTENT_DELALLOC)
1323 const_iv (FIEMAP_EXTENT_ENCODED)
1324 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1325 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1326 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1327 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1328 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1329 const_iv (FIEMAP_EXTENT_MERGED)
1330 const_iv (FIEMAP_EXTENT_SHARED)
1331
1332 const_iv (SPLICE_F_MOVE)
1333 const_iv (SPLICE_F_NONBLOCK)
1334 const_iv (SPLICE_F_MORE)
1335 const_iv (SPLICE_F_GIFT)
1336
1337 const_iv (EFD_CLOEXEC)
1338 const_iv (EFD_NONBLOCK)
1339 const_iv (EFD_SEMAPHORE)
1340
1341 const_iv (MFD_CLOEXEC)
1342 const_iv (MFD_ALLOW_SEALING)
1343 const_iv (MFD_HUGETLB)
1344 const_iv (MFD_HUGETLB_2MB)
1345 const_iv (MFD_HUGETLB_1GB)
1346
1347 const_iv (CLOCK_REALTIME)
1348 const_iv (CLOCK_MONOTONIC)
1349 const_iv (CLOCK_BOOTTIME)
1350 const_iv (CLOCK_REALTIME_ALARM)
1351 const_iv (CLOCK_BOOTTIME_ALARM)
1352
1353 const_iv (TFD_NONBLOCK)
1354 const_iv (TFD_CLOEXEC)
1355
1356 const_iv (TFD_TIMER_ABSTIME)
1357 const_iv (TFD_TIMER_CANCEL_ON_SET)
1358
1359 const_iv (STATX_TYPE)
1360 const_iv (STATX_MODE)
1361 const_iv (STATX_NLINK)
1362 const_iv (STATX_UID)
1363 const_iv (STATX_GID)
1364 const_iv (STATX_ATIME)
1365 const_iv (STATX_MTIME)
1366 const_iv (STATX_CTIME)
1367 const_iv (STATX_INO)
1368 const_iv (STATX_SIZE)
1369 const_iv (STATX_BLOCKS)
1370 const_iv (STATX_BASIC_STATS)
1371 const_iv (STATX_ALL)
1372 const_iv (STATX_BTIME)
1373 const_iv (STATX_ATTR_COMPRESSED)
1374 const_iv (STATX_ATTR_IMMUTABLE)
1375 const_iv (STATX_ATTR_APPEND)
1376 const_iv (STATX_ATTR_NODUMP)
1377 const_iv (STATX_ATTR_ENCRYPTED)
1378 const_iv (STATX_ATTR_AUTOMOUNT)
1379
1380 const_iv (AT_FDCWD)
1381 const_iv (AT_SYMLINK_NOFOLLOW)
1382 const_iv (AT_EACCESS)
1383 const_iv (AT_REMOVEDIR)
1384 const_iv (AT_SYMLINK_FOLLOW)
1385 const_iv (AT_NO_AUTOMOUNT)
1386 const_iv (AT_EMPTY_PATH)
1387 const_iv (AT_STATX_SYNC_TYPE)
1388 const_iv (AT_STATX_AS_STAT)
1389 const_iv (AT_STATX_FORCE_SYNC)
1390 const_iv (AT_STATX_DONT_SYNC)
1391 const_iv (AT_RECURSIVE)
1392
1393 const_iv (OPEN_TREE_CLONE)
1394
1395 const_iv (FSOPEN_CLOEXEC)
1396
1397 const_iv (FSPICK_CLOEXEC)
1398 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1399 const_iv (FSPICK_NO_AUTOMOUNT)
1400 const_iv (FSPICK_EMPTY_PATH)
1401
1402 const_iv (MOVE_MOUNT_F_SYMLINKS)
1403 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1404 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1405 const_iv (MOVE_MOUNT_T_SYMLINKS)
1406 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1407 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1408
1409 /* waitid */
1410 const_iv (P_PID)
1411 const_iv (P_PIDFD)
1412 const_iv (P_PGID)
1413 const_iv (P_ALL)
1414
1415 const_iv (FSCONFIG_SET_FLAG)
1416 const_iv (FSCONFIG_SET_STRING)
1417 const_iv (FSCONFIG_SET_BINARY)
1418 const_iv (FSCONFIG_SET_PATH)
1419 const_iv (FSCONFIG_SET_PATH_EMPTY)
1420 const_iv (FSCONFIG_SET_FD)
1421 const_iv (FSCONFIG_CMD_CREATE)
1422 const_iv (FSCONFIG_CMD_RECONFIGURE)
1423
1424 const_iv (MOUNT_ATTR_RDONLY)
1425 const_iv (MOUNT_ATTR_NOSUID)
1426 const_iv (MOUNT_ATTR_NODEV)
1427 const_iv (MOUNT_ATTR_NOEXEC)
1428 const_iv (MOUNT_ATTR__ATIME)
1429 const_iv (MOUNT_ATTR_RELATIME)
1430 const_iv (MOUNT_ATTR_NOATIME)
1431 const_iv (MOUNT_ATTR_STRICTATIME)
1432 const_iv (MOUNT_ATTR_NODIRATIME)
1433
1434 /* these are libeio constants, and are independent of gendef0 */
1435 const_eio (SEEK_SET)
1436 const_eio (SEEK_CUR)
1437 const_eio (SEEK_END)
771 1438
772 const_eio (MCL_FUTURE) 1439 const_eio (MCL_FUTURE)
773 const_eio (MCL_CURRENT) 1440 const_eio (MCL_CURRENT)
1441 const_eio (MCL_ONFAULT)
774 1442
775 const_eio (MS_ASYNC) 1443 const_eio (MS_ASYNC)
776 const_eio (MS_INVALIDATE) 1444 const_eio (MS_INVALIDATE)
777 const_eio (MS_SYNC) 1445 const_eio (MS_SYNC)
778 1446
779 const_eio (MT_MODIFY) 1447 const_eio (MT_MODIFY)
780 1448
781 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1449 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
782 const_eio (SYNC_FILE_RANGE_WRITE) 1450 const_eio (SYNC_FILE_RANGE_WRITE)
783 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1451 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1452
1453 const_eio (FALLOC_FL_KEEP_SIZE)
1454 const_eio (FALLOC_FL_PUNCH_HOLE)
1455 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1456 const_eio (FALLOC_FL_ZERO_RANGE)
1457 const_eio (FALLOC_FL_INSERT_RANGE)
1458 const_eio (FALLOC_FL_UNSHARE_RANGE)
1459
1460 const_eio (RENAME_NOREPLACE)
1461 const_eio (RENAME_EXCHANGE)
1462 const_eio (RENAME_WHITEOUT)
784 1463
785 const_eio (READDIR_DENTS) 1464 const_eio (READDIR_DENTS)
786 const_eio (READDIR_DIRS_FIRST) 1465 const_eio (READDIR_DIRS_FIRST)
787 const_eio (READDIR_STAT_ORDER) 1466 const_eio (READDIR_STAT_ORDER)
788 const_eio (READDIR_FOUND_UNKNOWN) 1467 const_eio (READDIR_FOUND_UNKNOWN)
… …
799 }; 1478 };
800 1479
801 aio_stash = gv_stashpv ("IO::AIO" , 1); 1480 aio_stash = gv_stashpv ("IO::AIO" , 1);
802 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1481 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
803 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1482 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1483 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
804 1484
805 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1485 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
806 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1486 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
807 1487
808 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1488 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
809 1489
810 create_respipe (); 1490 /* allocate dummy pipe fd for aio_close */
1491 {
1492 int pipefd [2];
811 1493
812 if (eio_init (want_poll, done_poll) < 0) 1494 if (
813 croak ("IO::AIO: unable to initialise eio library"); 1495#ifdef _WIN32
1496 _pipe (pipefd, 1, _O_BINARY) < 0
1497#else
1498 pipe (pipefd) < 0
1499 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1500#endif
1501 || close (pipefd [1]) < 0
1502 )
1503 croak ("IO::AIO: unable to create dummy pipe for aio_close");
814 1504
815 /* atfork child called in fifo order, so before eio's handler */ 1505 close_fd = pipefd [0];
816 X_THREAD_ATFORK (0, 0, atfork_child); 1506 }
817}
818 1507
1508 reinit ();
1509}
1510
819void 1511void
1512reinit ()
1513 PROTOTYPE:
1514
1515void
820max_poll_reqs (int nreqs) 1516max_poll_reqs (unsigned int nreqs)
821 PROTOTYPE: $ 1517 PROTOTYPE: $
822 CODE: 1518 CODE:
823 eio_set_max_poll_reqs (nreqs); 1519 eio_set_max_poll_reqs (nreqs);
824 1520
825void 1521void
… …
827 PROTOTYPE: $ 1523 PROTOTYPE: $
828 CODE: 1524 CODE:
829 eio_set_max_poll_time (nseconds); 1525 eio_set_max_poll_time (nseconds);
830 1526
831void 1527void
832min_parallel (int nthreads) 1528min_parallel (unsigned int nthreads)
833 PROTOTYPE: $ 1529 PROTOTYPE: $
834 CODE: 1530 CODE:
835 eio_set_min_parallel (nthreads); 1531 eio_set_min_parallel (nthreads);
836 1532
837void 1533void
838max_parallel (int nthreads) 1534max_parallel (unsigned int nthreads)
839 PROTOTYPE: $ 1535 PROTOTYPE: $
840 CODE: 1536 CODE:
841 eio_set_max_parallel (nthreads); 1537 eio_set_max_parallel (nthreads);
842 1538
843void 1539void
844max_idle (int nthreads) 1540max_idle (unsigned int nthreads)
845 PROTOTYPE: $ 1541 PROTOTYPE: $
846 CODE: 1542 CODE:
847 eio_set_max_idle (nthreads); 1543 eio_set_max_idle (nthreads);
848 1544
849void 1545void
1546idle_timeout (unsigned int seconds)
1547 PROTOTYPE: $
1548 CODE:
1549 eio_set_idle_timeout (seconds);
1550
1551void
850max_outstanding (int maxreqs) 1552max_outstanding (unsigned int maxreqs)
851 PROTOTYPE: $ 1553 PROTOTYPE: $
852 CODE: 1554 CODE:
853 max_outstanding = maxreqs; 1555 max_outstanding = maxreqs;
854 1556
855void 1557void
856aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1558aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
857 PPCODE: 1559 PPCODE:
858{ 1560{
859 dREQ; 1561 dREQ;
860 1562
1563 req->type = EIO_WD_OPEN;
1564 req_set_path1 (req, pathname);
1565
1566 REQ_SEND;
1567}
1568
1569void
1570aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1571 PPCODE:
1572{
1573 dREQ;
1574
861 req->type = EIO_OPEN; 1575 req->type = EIO_OPEN;
862 req->sv1 = newSVsv (pathname); 1576 req_set_path1 (req, pathname);
863 req->ptr1 = SvPVbyte_nolen (req->sv1);
864 req->int1 = flags; 1577 req->int1 = flags;
865 req->int2 = mode; 1578 req->int2 = mode;
866 1579
867 REQ_SEND; 1580 REQ_SEND;
868} 1581}
869 1582
870void 1583void
871aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1584aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
872 ALIAS: 1585 ALIAS:
873 aio_fsync = EIO_FSYNC 1586 aio_fsync = EIO_FSYNC
874 aio_fdatasync = EIO_FDATASYNC 1587 aio_fdatasync = EIO_FDATASYNC
1588 aio_syncfs = EIO_SYNCFS
875 PPCODE: 1589 PPCODE:
876{ 1590{
877 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
878 dREQ; 1592 dREQ;
879 1593
880 req->type = ix; 1594 req->type = ix;
881 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
882 req->int1 = fd; 1596 req->int1 = fd;
883 1597
884 REQ_SEND (req); 1598 REQ_SEND;
885} 1599}
886 1600
887void 1601void
888aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1602aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
889 PPCODE: 1603 PPCODE:
890{ 1604{
891 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
892 dREQ; 1606 dREQ;
893 1607
894 req->type = EIO_SYNC_FILE_RANGE; 1608 req->type = EIO_SYNC_FILE_RANGE;
895 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
896 req->int1 = fd; 1610 req->int1 = fd;
897 req->offs = offset; 1611 req->offs = offset;
898 req->size = nbytes; 1612 req->size = nbytes;
899 req->int2 = flags; 1613 req->int2 = flags;
900 1614
901 REQ_SEND (req); 1615 REQ_SEND;
902} 1616}
903 1617
904void 1618void
905aio_close (SV *fh, SV *callback=&PL_sv_undef) 1619aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
906 PPCODE: 1620 PPCODE:
907{ 1621{
908 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
909 int fd = s_fileno_croak (fh, 0); 1622 int fd = s_fileno_croak (fh, 0);
910 dREQ; 1623 dREQ;
911 1624
912 if (close_pipe < 0) 1625 req->type = EIO_FALLOCATE;
1626 req->sv1 = newSVsv (fh);
1627 req->int1 = fd;
1628 req->int2 = mode;
1629 req->offs = offset;
1630 req->size = len;
1631
1632 REQ_SEND;
1633}
1634
1635void
1636aio_close (SV *fh, SV *callback = &PL_sv_undef)
1637 PPCODE:
1638{
1639 int fd = s_fileno_croak (fh, 0);
1640 dREQ;
1641#if 0
1642 /* partially duplicate logic in s_fileno */
1643 SvGETMAGIC (fh);
1644
1645 if (SvROK (fh))
1646 {
1647 fh = SvRV (fh);
1648 SvGETMAGIC (fh);
1649 }
1650
1651 if (SvTYPE (fh) == SVt_PVGV)
913 { 1652 {
914 int pipefd [2]; 1653 /* perl filehandle */
1654 PerlIOUnix_refcnt_inc (fd);
1655 do_close ((GV *)fh, 1);
915 1656
916 if (pipe (pipefd) < 0 1657 req->type = EIO_CLOSE;
917 || close (pipefd [1]) < 0 1658 req->int1 = fd;
918 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1659 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
919 abort (); /*D*/
920
921 close_pipe = pipefd [0];
922 } 1660 }
923 1661 else
1662#endif
1663 {
1664 /* fd number */
924 req->type = EIO_DUP2; 1665 req->type = EIO_DUP2;
925 req->int1 = close_pipe; 1666 req->int1 = close_fd;
1667 req->sv2 = newSVsv (fh);
1668 req->int2 = fd;
1669 }
1670
1671 REQ_SEND;
1672}
1673
1674void
1675aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1676 PPCODE:
1677{
1678 int fd = s_fileno_croak (fh, 0);
1679 dREQ;
1680
1681 req->type = EIO_SEEK;
926 req->sv2 = newSVsv (fh); 1682 req->sv1 = newSVsv (fh);
927 req->int2 = fd; 1683 req->int1 = fd;
1684 req->offs = SvVAL64 (offset);
1685 req->int2 = whence;
928 1686
929 REQ_SEND (req); 1687 REQ_SEND;
930} 1688}
931 1689
932void 1690void
933aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1691aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
934 ALIAS: 1692 ALIAS:
935 aio_read = EIO_READ 1693 aio_read = EIO_READ
936 aio_write = EIO_WRITE 1694 aio_write = EIO_WRITE
937 PPCODE: 1695 PPCODE:
938{ 1696{
… …
954 len = svlen - dataoffset; 1712 len = svlen - dataoffset;
955 } 1713 }
956 else 1714 else
957 { 1715 {
958 /* read: check type and grow scalar as necessary */ 1716 /* read: check type and grow scalar as necessary */
959 SvUPGRADE (data, SVt_PV); 1717 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
960 svptr = SvGROW (data, len + dataoffset + 1); 1718 svptr = sv_grow (data, len + dataoffset + 1);
1719 else if (SvCUR (data) < len + dataoffset)
1720 croak ("length + dataoffset outside of scalar, and cannot grow");
961 } 1721 }
962 1722
963 { 1723 {
964 dREQ; 1724 dREQ;
965 1725
… …
981 REQ_SEND; 1741 REQ_SEND;
982 } 1742 }
983} 1743}
984 1744
985void 1745void
986aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1746aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1747 ALIAS:
1748 aio_ioctl = EIO_IOCTL
1749 aio_fcntl = EIO_FCNTL
987 PPCODE: 1750 PPCODE:
988{ 1751{
989 SV *data; 1752 int fd = s_fileno_croak (fh, 0);
1753 char *svptr;
1754
1755 if (SvPOK (arg) || !SvNIOK (arg))
1756 {
1757 STRLEN svlen;
1758 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1759#ifdef IOCPARM_LEN
1760 STRLEN need = IOCPARM_LEN (request);
1761#else
1762 STRLEN need = 256;
1763#endif
1764
1765 if (svlen < need)
1766 svptr = SvGROW (arg, need);
1767 }
1768 else
1769 svptr = (char *)SvIV (arg);
1770
1771 {
1772 dREQ;
1773
1774 req->type = ix;
1775 req->sv1 = newSVsv (fh);
1776 req->int1 = fd;
1777 req->int2 = (long)request;
1778 req->sv2 = SvREFCNT_inc (arg);
1779 req->ptr2 = svptr;
1780
1781 REQ_SEND;
1782 }
1783}
1784
1785void
1786aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1787 ALIAS:
1788 aio_readlink = EIO_READLINK
1789 aio_realpath = EIO_REALPATH
1790 PPCODE:
1791{
990 dREQ; 1792 dREQ;
991 1793
992 req->type = EIO_READLINK; 1794 req->type = ix;
993 req->sv1 = newSVsv (path); 1795 req_set_path1 (req, pathname);
994 req->ptr1 = SvPVbyte_nolen (req->sv1);
995 1796
996 REQ_SEND; 1797 REQ_SEND;
997} 1798}
998 1799
999void 1800void
1000aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1801aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1001 PPCODE: 1802 PPCODE:
1002{ 1803{
1003 int ifd = s_fileno_croak (in_fh , 0); 1804 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1805 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1806 dREQ;
1006 1807
1007 req->type = EIO_SENDFILE; 1808 req->type = EIO_SENDFILE;
1008 req->sv1 = newSVsv (out_fh); 1809 req->sv1 = newSVsv (out_fh);
1009 req->int1 = ofd; 1810 req->int1 = ofd;
… …
1014 1815
1015 REQ_SEND; 1816 REQ_SEND;
1016} 1817}
1017 1818
1018void 1819void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1820aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1020 PPCODE: 1821 PPCODE:
1021{ 1822{
1022 int fd = s_fileno_croak (fh, 0); 1823 int fd = s_fileno_croak (fh, 0);
1023 dREQ; 1824 dREQ;
1024 1825
1025 req->type = EIO_READAHEAD; 1826 req->type = EIO_READAHEAD;
1026 req->sv1 = newSVsv (fh); 1827 req->sv1 = newSVsv (fh);
1027 req->int1 = fd; 1828 req->int1 = fd;
… …
1030 1831
1031 REQ_SEND; 1832 REQ_SEND;
1032} 1833}
1033 1834
1034void 1835void
1035aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1836aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1036 ALIAS: 1837 ALIAS:
1037 aio_stat = EIO_STAT 1838 aio_stat = EIO_STAT
1038 aio_lstat = EIO_LSTAT 1839 aio_lstat = EIO_LSTAT
1039 aio_statvfs = EIO_STATVFS 1840 aio_statvfs = EIO_STATVFS
1040 PPCODE: 1841 PPCODE:
1041{ 1842{
1042 dREQ; 1843 dREQ;
1043 1844
1044 req->sv1 = newSVsv (fh_or_path); 1845 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1045
1046 if (SvPOK (req->sv1))
1047 {
1048 req->type = ix;
1049 req->ptr1 = SvPVbyte_nolen (req->sv1);
1050 }
1051 else
1052 {
1053 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1054 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1055 }
1056 1846
1057 REQ_SEND; 1847 REQ_SEND;
1058} 1848}
1059 1849
1060void 1850void
1851st_xtime ()
1852 ALIAS:
1853 st_atime = 0x01
1854 st_mtime = 0x02
1855 st_ctime = 0x04
1856 st_btime = 0x08
1857 st_xtime = 0x0f
1858 PPCODE:
1859 EXTEND (SP, 4);
1860 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1861 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1862 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1863 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1864
1865void
1866st_xtimensec ()
1867 ALIAS:
1868 st_atimensec = 0x01
1869 st_mtimensec = 0x02
1870 st_ctimensec = 0x04
1871 st_btimensec = 0x08
1872 st_xtimensec = 0x0f
1873 st_btimesec = 0x10
1874 st_gen = 0x20
1875 PPCODE:
1876 EXTEND (SP, 4);
1877 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1878 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1879 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1880 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1881 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1882 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1883
1884UV
1885major (UV dev)
1886 ALIAS:
1887 minor = 1
1888 CODE:
1889 RETVAL = ix ? minor (dev) : major (dev);
1890 OUTPUT:
1891 RETVAL
1892
1893UV
1894makedev (UV maj, UV min)
1895 CODE:
1896 RETVAL = makedev (maj, min);
1897 OUTPUT:
1898 RETVAL
1899
1900void
1061aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1901aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1062 PPCODE: 1902 PPCODE:
1063{ 1903{
1064 dREQ; 1904 dREQ;
1065 1905
1066 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1906 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1067 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1907 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1068 req->sv1 = newSVsv (fh_or_path); 1908 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1069
1070 if (SvPOK (req->sv1))
1071 {
1072 req->type = EIO_UTIME;
1073 req->ptr1 = SvPVbyte_nolen (req->sv1);
1074 }
1075 else
1076 {
1077 req->type = EIO_FUTIME;
1078 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1079 }
1080 1909
1081 REQ_SEND; 1910 REQ_SEND;
1082} 1911}
1083 1912
1084void 1913void
1085aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1914aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1086 PPCODE: 1915 PPCODE:
1087{ 1916{
1088 dREQ; 1917 dREQ;
1089 1918
1090 req->sv1 = newSVsv (fh_or_path);
1091 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1919 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1092 1920 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1093 if (SvPOK (req->sv1))
1094 {
1095 req->type = EIO_TRUNCATE;
1096 req->ptr1 = SvPVbyte_nolen (req->sv1);
1097 }
1098 else
1099 {
1100 req->type = EIO_FTRUNCATE;
1101 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1102 }
1103 1921
1104 REQ_SEND; 1922 REQ_SEND;
1105} 1923}
1106 1924
1107void 1925void
1108aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1926aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1109 ALIAS:
1110 aio_chmod = EIO_CHMOD
1111 aio_mkdir = EIO_MKDIR
1112 PPCODE: 1927 PPCODE:
1113{ 1928{
1114 dREQ; 1929 dREQ;
1115 1930
1116 req->int2 = mode; 1931 req->int2 = mode;
1117 req->sv1 = newSVsv (fh_or_path); 1932 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1118
1119 if (SvPOK (req->sv1))
1120 {
1121 req->type = ix;
1122 req->ptr1 = SvPVbyte_nolen (req->sv1);
1123 }
1124 else
1125 {
1126 req->type = EIO_FCHMOD;
1127 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1128 }
1129 1933
1130 REQ_SEND; 1934 REQ_SEND;
1131} 1935}
1132 1936
1133void 1937void
1134aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1938aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1135 PPCODE: 1939 PPCODE:
1136{ 1940{
1137 dREQ; 1941 dREQ;
1138 1942
1139 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1943 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1140 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1944 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1141 req->sv1 = newSVsv (fh_or_path); 1945 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1142
1143 if (SvPOK (req->sv1))
1144 {
1145 req->type = EIO_CHOWN;
1146 req->ptr1 = SvPVbyte_nolen (req->sv1);
1147 }
1148 else
1149 {
1150 req->type = EIO_FCHOWN;
1151 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1152 }
1153 1946
1154 REQ_SEND; 1947 REQ_SEND;
1155} 1948}
1156 1949
1157void 1950void
1158aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1951aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1159 PPCODE: 1952 PPCODE:
1160{ 1953{
1161 dREQ; 1954 dREQ;
1162 1955
1163 req->type = EIO_READDIR; 1956 req->type = EIO_READDIR;
1164 req->sv1 = newSVsv (pathname);
1165 req->ptr1 = SvPVbyte_nolen (req->sv1);
1166 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1957 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1167 1958
1168 if (flags & EIO_READDIR_DENTS) 1959 if (flags & EIO_READDIR_DENTS)
1169 req->int1 |= EIO_READDIR_CUSTOM2; 1960 req->int1 |= EIO_READDIR_CUSTOM2;
1170 1961
1962 req_set_path1 (req, pathname);
1963
1171 REQ_SEND; 1964 REQ_SEND;
1172} 1965}
1173 1966
1174void 1967void
1968aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1969 PPCODE:
1970{
1971 dREQ;
1972
1973 req->type = EIO_MKDIR;
1974 req->int2 = mode;
1975 req_set_path1 (req, pathname);
1976
1977 REQ_SEND;
1978}
1979
1980void
1175aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1981aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1176 ALIAS: 1982 ALIAS:
1177 aio_unlink = EIO_UNLINK 1983 aio_unlink = EIO_UNLINK
1178 aio_rmdir = EIO_RMDIR 1984 aio_rmdir = EIO_RMDIR
1179 aio_readdir = EIO_READDIR 1985 aio_readdir = EIO_READDIR
1180 PPCODE: 1986 PPCODE:
1181{ 1987{
1182 dREQ; 1988 dREQ;
1183 1989
1184 req->type = ix; 1990 req->type = ix;
1185 req->sv1 = newSVsv (pathname); 1991 req_set_path1 (req, pathname);
1186 req->ptr1 = SvPVbyte_nolen (req->sv1);
1187 1992
1188 REQ_SEND; 1993 REQ_SEND;
1189} 1994}
1190 1995
1191void 1996void
1192aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1997aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1193 ALIAS: 1998 ALIAS:
1194 aio_link = EIO_LINK 1999 aio_link = EIO_LINK
1195 aio_symlink = EIO_SYMLINK 2000 aio_symlink = EIO_SYMLINK
1196 aio_rename = EIO_RENAME 2001 aio_rename = EIO_RENAME
1197 PPCODE: 2002 PPCODE:
1198{ 2003{
2004 eio_wd wd2 = 0;
1199 dREQ; 2005 dREQ;
1200 2006
1201 req->type = ix; 2007 req->type = ix;
1202 req->sv1 = newSVsv (oldpath); 2008 req_set_path1 (req, oldpath);
1203 req->ptr1 = SvPVbyte_nolen (req->sv1); 2009 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1204 req->sv2 = newSVsv (newpath); 2010 req->int3 = (long)wd2;
1205 req->ptr2 = SvPVbyte_nolen (req->sv2);
1206 2011
1207 REQ_SEND; 2012 REQ_SEND;
1208} 2013}
1209 2014
1210void 2015void
2016aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2017 PPCODE:
2018{
2019 eio_wd wd2 = 0;
2020 dREQ;
2021
2022 req->type = EIO_RENAME;
2023 req_set_path1 (req, oldpath);
2024 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2025 req->int2 = flags;
2026 req->int3 = (long)wd2;
2027
2028 REQ_SEND;
2029}
2030
2031void
1211aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2032aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1212 PPCODE: 2033 PPCODE:
1213{ 2034{
1214 dREQ; 2035 dREQ;
1215 2036
1216 req->type = EIO_MKNOD; 2037 req->type = EIO_MKNOD;
1217 req->sv1 = newSVsv (pathname);
1218 req->ptr1 = SvPVbyte_nolen (req->sv1);
1219 req->int2 = (mode_t)mode; 2038 req->int2 = (mode_t)mode;
1220 req->offs = dev; 2039 req->offs = dev;
2040 req_set_path1 (req, pathname);
1221 2041
1222 REQ_SEND; 2042 REQ_SEND;
1223} 2043}
1224 2044
1225void 2045void
1226aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2046aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1227 ALIAS: 2047 ALIAS:
1228 aio_mtouch = EIO_MTOUCH 2048 aio_mtouch = EIO_MTOUCH
1229 aio_msync = EIO_MSYNC 2049 aio_msync = EIO_MSYNC
1230 PPCODE: 2050 PPCODE:
1231{ 2051{
1232 STRLEN svlen; 2052 STRLEN svlen;
1233 char *svptr = SvPVbyte (data, svlen); 2053 char *svptr = SvPVbyte (data, svlen);
1234 UV len = SvUV (length); 2054 UV len = SvUV (length);
2055
2056 if (flags < 0)
2057 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1235 2058
1236 if (offset < 0) 2059 if (offset < 0)
1237 offset += svlen; 2060 offset += svlen;
1238 2061
1239 if (offset < 0 || offset > svlen) 2062 if (offset < 0 || offset > svlen)
… …
1254 REQ_SEND; 2077 REQ_SEND;
1255 } 2078 }
1256} 2079}
1257 2080
1258void 2081void
1259aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2082aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1260 PPCODE: 2083 PPCODE:
1261{ 2084{
1262 STRLEN svlen; 2085 STRLEN svlen;
1263 char *svptr = SvPVbyte (data, svlen); 2086 char *svptr = SvPVbyte (data, svlen);
1264 UV len = SvUV (length); 2087 UV len = SvUV (length);
… …
1283 REQ_SEND; 2106 REQ_SEND;
1284 } 2107 }
1285} 2108}
1286 2109
1287void 2110void
1288aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2111aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1289 PPCODE: 2112 PPCODE:
1290{ 2113{
1291 dREQ; 2114 dREQ;
1292 2115
1293 req->type = EIO_MLOCKALL; 2116 req->type = EIO_MLOCKALL;
… …
1295 2118
1296 REQ_SEND; 2119 REQ_SEND;
1297} 2120}
1298 2121
1299void 2122void
2123aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2124 PPCODE:
2125{
2126 int fd = s_fileno_croak (fh, 0);
2127 dREQ;
2128
2129 req->type = EIO_CUSTOM;
2130 req->sv1 = newSVsv (fh);
2131 req->int1 = fd;
2132
2133 req->feed = fiemap;
2134#if HAVE_FIEMAP
2135 /* keep our fingers crossed that the next two types are 64 bit */
2136 req->offs = start;
2137 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2138 req->int2 = flags;
2139 req->int3 = SvOK (count) ? SvIV (count) : -1;
2140#endif
2141
2142 REQ_SEND;
2143}
2144
2145void
2146aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2147 PPCODE:
2148{
2149 char *svptr = 0;
2150
2151 sv_clear_foreign (data);
2152
2153 if (length) /* known length, directly read into scalar */
2154 {
2155 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2156 svptr = sv_grow (data, length + 1);
2157 else if (SvCUR (data) < length)
2158 croak ("length outside of scalar, and cannot grow");
2159 else
2160 svptr = SvPVbyte_nolen (data);
2161 }
2162
2163 {
2164 dREQ;
2165
2166 req->type = EIO_SLURP;
2167 req_set_path1 (req, pathname);
2168 req->offs = offset;
2169 req->size = length;
2170 req->sv2 = SvREFCNT_inc (data);
2171 req->ptr2 = svptr;
2172
2173 if (!SvREADONLY (data))
2174 {
2175 SvREADONLY_on (data);
2176 req->flags |= FLAG_SV2_RO_OFF;
2177 }
2178
2179 REQ_SEND;
2180 }
2181}
2182
2183void
1300aio_busy (double delay, SV *callback=&PL_sv_undef) 2184aio_busy (double delay, SV *callback = &PL_sv_undef)
1301 PPCODE: 2185 PPCODE:
1302{ 2186{
1303 dREQ; 2187 dREQ;
1304 2188
1305 req->type = EIO_BUSY; 2189 req->type = EIO_BUSY;
… …
1307 2191
1308 REQ_SEND; 2192 REQ_SEND;
1309} 2193}
1310 2194
1311void 2195void
1312aio_group (SV *callback=&PL_sv_undef) 2196aio_group (SV *callback = &PL_sv_undef)
1313 PPCODE: 2197 PPCODE:
1314{ 2198{
1315 dREQ; 2199 dREQ;
1316 2200
1317 req->type = EIO_GROUP; 2201 req->type = EIO_GROUP;
1318 2202
2203 PUTBACK;
1319 req_submit (req); 2204 req_submit (req);
2205 SPAGAIN;
2206
1320 XPUSHs (req_sv (req, aio_grp_stash)); 2207 XPUSHs (req_sv (req, aio_grp_stash));
1321} 2208}
1322 2209
1323void 2210void
1324aio_nop (SV *callback=&PL_sv_undef) 2211aio_nop (SV *callback = &PL_sv_undef)
1325 ALIAS: 2212 ALIAS:
1326 aio_nop = EIO_NOP 2213 aio_nop = EIO_NOP
1327 aio_sync = EIO_SYNC 2214 aio_sync = EIO_SYNC
1328 PPCODE: 2215 PPCODE:
1329{ 2216{
… …
1333 2220
1334 REQ_SEND; 2221 REQ_SEND;
1335} 2222}
1336 2223
1337int 2224int
1338aioreq_pri (int pri = 0) 2225aioreq_pri (int pri = NO_INIT)
1339 CODE: 2226 CODE:
1340 RETVAL = next_pri; 2227 RETVAL = next_pri;
1341 if (items > 0) 2228 if (items > 0)
1342 { 2229 {
1343 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2230 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1425 CODE: 2312 CODE:
1426 RETVAL = posix_fadvise (fh, offset, length, advice); 2313 RETVAL = posix_fadvise (fh, offset, length, advice);
1427 OUTPUT: 2314 OUTPUT:
1428 RETVAL 2315 RETVAL
1429 2316
1430ssize_t 2317IV
1431sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2318sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1432 CODE: 2319 CODE:
1433 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2320 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1434 OUTPUT: 2321 OUTPUT:
1435 RETVAL 2322 RETVAL
1436 2323
1437void 2324void
1438mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2325mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1439 PPCODE: 2326 PPCODE:
1440 sv_unmagic (scalar, MMAP_MAGIC); 2327 sv_clear_foreign (scalar);
1441{ 2328{
1442 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2329 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1443 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2330 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1444 if (addr == (void *)-1) 2331 if (addr == (void *)-1)
1445 XSRETURN_NO; 2332 XSRETURN_NO;
1446 2333
1447 sv_force_normal (scalar); 2334 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1448
1449 /* we store the length in mg_obj, as namlen is I32 :/ */
1450 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1451 ->mg_obj = (SV *)length;
1452
1453 SvUPGRADE (scalar, SVt_PV); /* nop... */
1454 2335
1455 if (!(prot & PROT_WRITE)) 2336 if (!(prot & PROT_WRITE))
1456 SvREADONLY_on (scalar); 2337 SvREADONLY_on (scalar);
1457 2338
1458 if (SvLEN (scalar))
1459 Safefree (SvPVX (scalar));
1460
1461 SvPVX (scalar) = (char *)addr;
1462 SvCUR_set (scalar, length);
1463 SvLEN_set (scalar, 0);
1464 SvPOK_only (scalar);
1465
1466 XSRETURN_YES; 2339 XSRETURN_YES;
1467} 2340}
1468 2341
1469void 2342void
1470munmap (SV *scalar) 2343munmap (SV *scalar)
1471 CODE: 2344 CODE:
1472 sv_unmagic (scalar, MMAP_MAGIC); 2345 sv_clear_foreign (scalar);
2346
2347SV *
2348mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2349 CODE:
2350{
2351 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2352 void *new;
2353
2354 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2355 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2356
2357 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2358
2359 RETVAL = &PL_sv_no;
2360
2361 if (new != (void *)-1)
2362 {
2363 RETVAL = new == (void *)mg->mg_ptr
2364 ? newSVpvn ("0 but true", 10)
2365 : &PL_sv_yes;
2366
2367 mg->mg_ptr = (char *)new;
2368 mg->mg_obj = (SV *)new_length;
2369
2370 SvPVX (scalar) = mg->mg_ptr;
2371 SvCUR_set (scalar, new_length);
2372 }
2373}
2374 OUTPUT:
2375 RETVAL
1473 2376
1474int 2377int
1475madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2378madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1476 ALIAS: 2379 ALIAS:
1477 mprotect = 1 2380 mprotect = 1
1478 CODE: 2381 CODE:
1479{ 2382{
1480 STRLEN svlen; 2383 STRLEN svlen;
1481 void *addr = SvPVbyte (scalar, svlen); 2384 void *addr = SvPVbyte (scalar, svlen);
1482 size_t len = SvUV (length); 2385 STRLEN len = SvUV (length);
1483 2386
1484 if (offset < 0) 2387 if (offset < 0)
1485 offset += svlen; 2388 offset += svlen;
1486 2389
1487 if (offset < 0 || offset > svlen) 2390 if (offset < 0 || offset > svlen)
… …
1501} 2404}
1502 OUTPUT: 2405 OUTPUT:
1503 RETVAL 2406 RETVAL
1504 2407
1505int 2408int
1506munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2409munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1507 CODE: 2410 CODE:
1508{ 2411{
1509 STRLEN svlen; 2412 STRLEN svlen;
1510 void *addr = SvPVbyte (scalar, svlen); 2413 void *addr = SvPVbyte (scalar, svlen);
1511 size_t len = SvUV (length); 2414 size_t len = SvUV (length);
1512 2415
1513 if (offset < 0) 2416 if (offset < 0)
1514 offset += svlen; 2417 offset += svlen;
1515 2418
… …
1519 if (!SvOK (length) || len + offset > svlen) 2422 if (!SvOK (length) || len + offset > svlen)
1520 len = svlen - offset; 2423 len = svlen - offset;
1521 2424
1522 addr = (void *)(((intptr_t)addr) + offset); 2425 addr = (void *)(((intptr_t)addr) + offset);
1523 eio_page_align (&addr, &len); 2426 eio_page_align (&addr, &len);
1524#if _POSIX_MEMLOCK 2427#if _POSIX_MEMLOCK_RANGE
1525 RETVAL = munlock (addr, len); 2428 RETVAL = munlock (addr, len);
1526#else 2429#else
1527 RETVAL = ((errno = ENOSYS), -1); 2430 RETVAL = EIO_ENOSYS ();
1528#endif 2431#endif
1529} 2432}
1530 OUTPUT: 2433 OUTPUT:
2434 RETVAL
2435
2436int
2437mlockall (int flags)
2438 PROTOTYPE: $;
2439 CODE:
2440 RETVAL = eio_mlockall_sync (flags);
2441 OUTPUT:
1531 RETVAL 2442 RETVAL
1532 2443
1533int 2444int
1534munlockall () 2445munlockall ()
1535 CODE: 2446 CODE:
1536#if _POSIX_MEMLOCK 2447#if _POSIX_MEMLOCK
1537 munlockall (); 2448 munlockall ();
1538#else 2449#else
1539 RETVAL = -1; 2450 RETVAL = EIO_ENOSYS ();
1540 errno = ENOSYS;
1541#endif 2451#endif
1542 OUTPUT: 2452 OUTPUT:
1543 RETVAL 2453 RETVAL
2454
2455int
2456statx (SV8 *pathname, int flags, UV mask)
2457 CODE:
2458{
2459 /* undocumented, and might go away, and anyway, should use eio_statx */
2460 SV *wdsv = 0;
2461 SV *pathsv = 0;
2462 eio_wd wd = EIO_CWD;
2463 void *ptr;
2464 int res;
2465
2466 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2467 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2468
2469 SvREFCNT_dec (pathsv);
2470 SvREFCNT_dec (wdsv);
2471}
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_mode ()
2477 PROTOTYPE:
2478 CODE:
2479#if HAVE_STATX
2480 RETVAL = stx.stx_mode;
2481#else
2482 XSRETURN_UNDEF;
2483#endif
2484 OUTPUT:
2485 RETVAL
2486
2487#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2488#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2489#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2490#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2491#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2492#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2493#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2494#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2495#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2496#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2497#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2498#define STATX_OFFSET_size statx_offsetof (stx_size)
2499#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2500#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2501#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2502#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2503#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2504#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2505
2506U32
2507stx_mask ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_mask = STATX_OFFSET_mask
2511 stx_blksize = STATX_OFFSET_blksize
2512 stx_nlink = STATX_OFFSET_nlink
2513 stx_uid = STATX_OFFSET_uid
2514 stx_gid = STATX_OFFSET_gid
2515 stx_rdev_major = STATX_OFFSET_rdev_major
2516 stx_rdev_minor = STATX_OFFSET_rdev_minor
2517 stx_dev_major = STATX_OFFSET_dev_major
2518 stx_dev_minor = STATX_OFFSET_dev_minor
2519 CODE:
2520#if HAVE_STATX
2521 RETVAL = *(__u32 *)((char *)&stx + ix);
2522#else
2523 XSRETURN_UNDEF;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528VAL64
2529stx_attributes ()
2530 PROTOTYPE:
2531 ALIAS:
2532 stx_attributes = STATX_OFFSET_attributes
2533 stx_ino = STATX_OFFSET_ino
2534 stx_size = STATX_OFFSET_size
2535 stx_blocks = STATX_OFFSET_blocks
2536 stx_attributes_mask = STATX_OFFSET_attributes_mask
2537 CODE:
2538#if HAVE_STATX
2539 RETVAL = *(__u64 *)((char *)&stx + ix);
2540#else
2541 XSRETURN_UNDEF;
2542#endif
2543 OUTPUT:
2544 RETVAL
2545
2546NV
2547stx_atime ()
2548 PROTOTYPE:
2549 ALIAS:
2550 stx_atime = STATX_OFFSET_atime
2551 stx_btime = STATX_OFFSET_btime
2552 stx_ctime = STATX_OFFSET_ctime
2553 stx_mtime = STATX_OFFSET_mtime
2554 CODE:
2555#if HAVE_STATX
2556 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2557 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2558#else
2559 XSRETURN_UNDEF;
2560#endif
2561 OUTPUT:
2562 RETVAL
2563
2564VAL64
2565stx_atimesec ()
2566 PROTOTYPE:
2567 ALIAS:
2568 stx_atimesec = STATX_OFFSET_atime
2569 stx_btimesec = STATX_OFFSET_btime
2570 stx_ctimesec = STATX_OFFSET_ctime
2571 stx_mtimesec = STATX_OFFSET_mtime
2572 CODE:
2573#if HAVE_STATX
2574 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2575 RETVAL = ts->tv_sec;
2576#else
2577 XSRETURN_UNDEF;
2578#endif
2579 OUTPUT:
2580 RETVAL
2581
2582U32
2583stx_atimensec ()
2584 PROTOTYPE:
2585 ALIAS:
2586 stx_atimensec = STATX_OFFSET_atime
2587 stx_btimensec = STATX_OFFSET_btime
2588 stx_ctimensec = STATX_OFFSET_ctime
2589 stx_mtimensec = STATX_OFFSET_mtime
2590 CODE:
2591#if HAVE_STATX
2592 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2593 RETVAL = ts->tv_nsec;
2594#else
2595 RETVAL = 0;
2596#endif
2597 OUTPUT:
2598 RETVAL
2599
2600void
2601accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2602 PPCODE:
2603{
2604 SV *retval;
2605#if HAVE_ACCEPT4
2606 socklen_t salen_ = salen ? salen + 1 : 0;
2607
2608 if (salen)
2609 {
2610 sv_upgrade (sockaddr, SVt_PV);
2611 sv_grow (sockaddr, salen_);
2612 }
2613
2614 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2615
2616 retval = newmortalFH (res, O_RDWR);
2617
2618 if (res >= 0 && salen > 0)
2619 {
2620 if (salen_ > salen + 1)
2621 salen_ = salen + 1;
2622
2623 SvPOK_only (sockaddr);
2624 SvCUR_set (sockaddr, salen_);
2625 }
2626#else
2627 errno = ENOSYS;
2628 retval = &PL_sv_undef;
2629#endif
2630 XPUSHs (retval);
2631}
2632
2633ssize_t
2634splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2635 CODE:
2636{
2637#if HAVE_LINUX_SPLICE
2638 loff_t off_in_, off_out_;
2639 RETVAL = splice (
2640 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2641 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2642 length, flags
2643 );
2644#else
2645 RETVAL = EIO_ENOSYS ();
2646#endif
2647}
2648 OUTPUT:
2649 RETVAL
2650
2651ssize_t
2652tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2653 CODE:
2654#if HAVE_LINUX_SPLICE
2655 RETVAL = tee (rfh, wfh, length, flags);
2656#else
2657 RETVAL = EIO_ENOSYS ();
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662int
2663pipesize (aio_rfd rfh, int new_size = -1)
2664 PROTOTYPE: $;$
2665 CODE:
2666#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2667 if (new_size >= 0)
2668 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2669 else
2670 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2671#else
2672 errno = ENOSYS;
2673 RETVAL = -1;
2674#endif
2675 OUTPUT:
2676 RETVAL
2677
2678void
2679pipe2 (int flags = 0)
2680 PROTOTYPE: ;$
2681 PPCODE:
2682{
2683 int fd[2];
2684 int res;
2685
2686 if (flags)
2687#if HAVE_PIPE2
2688 res = pipe2 (fd, flags);
2689#else
2690 res = (errno = ENOSYS, -1);
2691#endif
2692 else
2693 res = pipe (fd);
2694
2695 if (!res)
2696 {
2697 EXTEND (SP, 2);
2698 PUSHs (newmortalFH (fd[0], O_RDONLY));
2699 PUSHs (newmortalFH (fd[1], O_WRONLY));
2700 }
2701}
2702
2703void
2704pidfd_open (int pid, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2708 int fd = syscall (SYS_pidfd_open, pid, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712int
2713pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2714 PPCODE:
2715{
2716 int res;
2717#if HAVE_SIGINFO_T
2718 siginfo_t si = { 0 };
2719
2720 if (SvOK (siginfo))
2721 {
2722 HV *hv;
2723 SV **svp;
2724
2725 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2726 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2727
2728 hv = (HV *)SvRV (siginfo);
2729
2730 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2731 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2732 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2733 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2734 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2735 }
2736
2737 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2738 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2739#else
2740 res = (errno = ENOSYS, -1);
2741#endif
2742
2743 XPUSHs (sv_2mortal (newSViv (res)));
2744}
2745
2746void
2747pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2748 PPCODE:
2749{
2750 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2751 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756eventfd (unsigned int initval = 0, int flags = 0)
2757 PPCODE:
2758{
2759 int fd;
2760#if HAVE_EVENTFD
2761 fd = eventfd (initval, flags);
2762#else
2763 fd = (errno = ENOSYS, -1);
2764#endif
2765
2766 XPUSHs (newmortalFH (fd, O_RDWR));
2767}
2768
2769void
2770timerfd_create (int clockid, int flags = 0)
2771 PPCODE:
2772{
2773 int fd;
2774#if HAVE_TIMERFD
2775 fd = timerfd_create (clockid, flags);
2776#else
2777 fd = (errno = ENOSYS, -1);
2778#endif
2779
2780 XPUSHs (newmortalFH (fd, O_RDWR));
2781}
2782
2783void
2784timerfd_settime (SV *fh, int flags, NV interval, NV value)
2785 PPCODE:
2786{
2787 int fd = s_fileno_croak (fh, 0);
2788#if HAVE_TIMERFD
2789 int res;
2790 struct itimerspec its, ots;
2791
2792 ts_set (&its.it_interval, interval);
2793 ts_set (&its.it_value , value);
2794 res = timerfd_settime (fd, flags, &its, &ots);
2795
2796 if (!res)
2797 {
2798 EXTEND (SP, 2);
2799 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2800 PUSHs (newSVnv (ts_get (&ots.it_value)));
2801 }
2802#else
2803 errno = ENOSYS;
2804#endif
2805}
2806
2807void
2808timerfd_gettime (SV *fh)
2809 PPCODE:
2810{
2811 int fd = s_fileno_croak (fh, 0);
2812#if HAVE_TIMERFD
2813 int res;
2814 struct itimerspec ots;
2815 res = timerfd_gettime (fd, &ots);
2816
2817 if (!res)
2818 {
2819 EXTEND (SP, 2);
2820 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2821 PUSHs (newSVnv (ts_get (&ots.it_value)));
2822 }
2823#else
2824 errno = ENOSYS;
2825#endif
2826}
2827
2828void
2829memfd_create (SV8 *pathname, int flags = 0)
2830 PPCODE:
2831{
2832 int fd;
2833#if HAVE_MEMFD_CREATE
2834 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2835#else
2836 fd = (errno = ENOSYS, -1);
2837#endif
2838
2839 XPUSHs (newmortalFH (fd, O_RDWR));
2840}
2841
2842int
2843fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2844 CODE:
2845{
2846 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2847 char **envp, **argv;
2848 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2849 if (!SvOK (envs))
2850 {
2851 extern char **environ;
2852 envp = environ;
2853 }
2854 else
2855 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2856#if _POSIX_VERSION >= 200809L
2857 RETVAL = fexecve (fd, argv, envp);
2858#else
2859 RETVAL = (errno = ENOSYS, -1);
2860#endif
2861}
2862 OUTPUT: RETVAL
2863
2864UV
2865get_fdlimit ()
2866 CODE:
2867#if HAVE_RLIMITS
2868 struct rlimit rl;
2869 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2870 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2871#endif
2872 XSRETURN_UNDEF;
2873 OUTPUT:
2874 RETVAL
2875
2876void
2877min_fdlimit (UV limit = 0x7fffffffU)
2878 CODE:
2879{
2880#if HAVE_RLIMITS
2881 struct rlimit rl;
2882 rlim_t orig_rlim_max;
2883 UV bit;
2884
2885 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2886 goto fail;
2887
2888 if (rl.rlim_cur == RLIM_INFINITY)
2889 XSRETURN_YES;
2890
2891 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2892
2893 if (rl.rlim_cur < limit)
2894 {
2895 rl.rlim_cur = limit;
2896
2897 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2898 rl.rlim_max = rl.rlim_cur;
2899 }
2900
2901 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2902 XSRETURN_YES;
2903
2904 if (errno == EPERM)
2905 {
2906 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2907 /* our limit overflows a system-wide limit */
2908 /* try an adaptive algorithm, but do not lower the hardlimit */
2909 rl.rlim_max = 0;
2910 for (bit = 0x40000000U; bit; bit >>= 1)
2911 {
2912 rl.rlim_max |= bit;
2913 rl.rlim_cur = rl.rlim_max;
2914
2915 /* never decrease the hard limit */
2916 if (rl.rlim_max < orig_rlim_max)
2917 break;
2918
2919 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2920 rl.rlim_max &= ~bit; /* too high, remove bit again */
2921 }
2922
2923 /* now, raise the soft limit to the max permitted */
2924 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2925 {
2926 rl.rlim_cur = rl.rlim_max;
2927 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2928 errno = EPERM;
2929 }
2930 }
2931#endif
2932 fail:
2933 XSRETURN_UNDEF;
2934}
1544 2935
1545void _on_next_submit (SV *cb) 2936void _on_next_submit (SV *cb)
1546 CODE: 2937 CODE:
1547 SvREFCNT_dec (on_next_submit); 2938 SvREFCNT_dec (on_next_submit);
1548 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2939 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1549 2940
1550PROTOTYPES: DISABLE 2941PROTOTYPES: DISABLE
1551 2942
2943MODULE = IO::AIO PACKAGE = IO::AIO::WD
2944
2945BOOT:
2946{
2947 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2948 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2949}
2950
2951void
2952DESTROY (SV *self)
2953 CODE:
2954{
2955 aio_wd wd = SvAIO_WD (self);
2956#if HAVE_AT
2957 {
2958 SV *callback = &PL_sv_undef;
2959 dREQ; /* clobbers next_pri :/ */
2960 next_pri = req->pri; /* restore next_pri */
2961 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2962 req->type = EIO_WD_CLOSE;
2963 req->wd = wd;
2964 REQ_SEND;
2965 }
2966#else
2967 eio_wd_close_sync (wd);
2968#endif
2969}
2970
1552MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2971MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1553 2972
1554void 2973void
1555cancel (aio_req_ornot req) 2974cancel (aio_req_ornot req)
1556 CODE: 2975 CODE:
1557 eio_cancel (req); 2976 eio_cancel (req);
1558 2977
1559void 2978void
1560cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2979cb (aio_req_ornot req, SV *callback = NO_INIT)
1561 PPCODE: 2980 PPCODE:
1562{ 2981{
1563 if (GIMME_V != G_VOID) 2982 if (GIMME_V != G_VOID)
1564 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2983 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1565 2984
1566 if (items > 1) 2985 if (items > 1)
1567 { 2986 {
1568 SV *cb_cv =get_cb (callback); 2987 SV *cb_cv = get_cb (callback);
1569 2988
1570 SvREFCNT_dec (req->callback); 2989 SvREFCNT_dec (req->callback);
1571 req->callback = SvREFCNT_inc (cb_cv); 2990 req->callback = SvREFCNT_inc (cb_cv);
1572 } 2991 }
1573} 2992}
… …
1630limit (aio_req grp, int limit) 3049limit (aio_req grp, int limit)
1631 CODE: 3050 CODE:
1632 eio_grp_limit (grp, limit); 3051 eio_grp_limit (grp, limit);
1633 3052
1634void 3053void
1635feed (aio_req grp, SV *callback=&PL_sv_undef) 3054feed (aio_req grp, SV *callback = &PL_sv_undef)
1636 CODE: 3055 CODE:
1637{ 3056{
1638 SvREFCNT_dec (grp->sv2); 3057 SvREFCNT_dec (grp->sv2);
1639 grp->sv2 = newSVsv (callback); 3058 grp->sv2 = newSVsv (callback);
1640 grp->feed = aio_grp_feed; 3059 grp->feed = aio_grp_feed;

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