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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 2021 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#ifndef POSIX_MADV_NORMAL 195#include "libeio/eio.c"
146# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif
149#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0
151#endif
152#ifndef POSIX_MADV_RANDOM
153# define POSIX_MADV_RANDOM 0
154#endif
155#ifndef POSIX_MADV_WILLNEED
156# define POSIX_MADV_WILLNEED 0
157#endif
158#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0
160#endif
161 196
162#ifndef ST_NODEV 197#if !HAVE_POSIX_FADVISE
163# define ST_NODEV 0 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164#endif 199#endif
165#ifndef ST_NOEXEC
166# define ST_NOEXEC 0
167#endif
168#ifndef ST_SYNCHRONOUS
169# define ST_SYNCHRONOUS 0
170#endif
171#ifndef ST_MANDLOCK
172# define ST_MANDLOCK 0
173#endif
174#ifndef ST_WRITE
175# define ST_WRITE 0
176#endif
177#ifndef ST_APPEND
178# define ST_APPEND 0
179#endif
180#ifndef ST_IMMUTABLE
181# define ST_IMMUTABLE 0
182#endif
183#ifndef ST_NOATIME
184# define ST_NOATIME 0
185#endif
186#ifndef ST_NODIRATIME
187# define ST_NODIRATIME 0
188#endif
189#ifndef ST_RELATIME
190# define ST_RELATIME 0
191#endif
192 200
193#ifndef MCL_CURRENT 201#if !HAVE_POSIX_MADVISE
194# define MCL_CURRENT 0 202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195#endif
196#ifndef MCL_FUTURE
197# define MCL_FUTURE 0
198#endif 203#endif
199 204
200#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 206# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
203# else 208# else
204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205# endif 210# endif
206#endif 211#endif
207#ifndef MAP_HUGETLB
208# define MAP_HUGETLB 0
209#endif
210#ifndef MAP_LOCKED
211# define MAP_LOCKED 0
212#endif
213#ifndef MAP_NORESERVE
214# define MAP_NORESERVE 0
215#endif
216#ifndef MAP_POPULATE
217# define MAP_POPULATE 0
218#endif
219#ifndef MAP_NONBLOCK
220# define MAP_NONBLOCK 0
221#endif
222 212
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
223#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 230#endif
226 231
227static int req_invoke (eio_req *req); 232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
228#define EIO_FINISH(req) req_invoke (req) 233#ifdef __sun
229static void req_destroy (eio_req *grp); 234# undef HAVE_SYSCALL
230#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
231 455
232enum { 456enum {
233 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234}; 458};
235 459
236#include "libeio/eio.c"
237
238typedef eio_req *aio_req; 460typedef eio_req *aio_req;
239typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
240 463
241static SV *on_next_submit; 464static SV *on_next_submit;
242static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
243static int max_outstanding; 466static int max_outstanding;
244 467
245static s_epipe respipe; 468static s_epipe respipe;
246 469
247static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
248static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
249 472
250static void want_poll (void) 473static void
474want_poll (void)
251{ 475{
252 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
253 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
254} 478}
255 479
256static void done_poll (void) 480static void
481done_poll (void)
257{ 482{
258 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
259 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
260} 485}
261 486
262/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
263static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
264{ 491{
265 if (!req->self) 492 if (!req->self)
266 { 493 {
267 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
268 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269 } 496 }
270 497
271 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272} 499}
273 500
274static 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)
275{ 510{
276 MAGIC *mg; 511 MAGIC *mg;
277 512
278 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
280 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
281 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
282 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
283 519
284 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285 521
286 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
287} 523}
288 524
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
289static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
290{ 563{
291 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
292 { 565 {
293 dSP; 566 dSP;
294 567
… …
302 FREETMPS; 575 FREETMPS;
303 LEAVE; 576 LEAVE;
304 } 577 }
305} 578}
306 579
580ecb_noinline
581static void
307static void req_submit (eio_req *req) 582req_submit (eio_req *req)
308{ 583{
309 eio_submit (req); 584 eio_submit (req);
310 585
311 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
312 { 587 {
… …
319 PUTBACK; 594 PUTBACK;
320 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
321 } 596 }
322} 597}
323 598
599static int
324static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
325{ 601{
326 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
327 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
328 604
329 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
340 /* do not recreate the result IV from scratch each time */ 616 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 617 if (expect_true (sv_result_cache))
342 { 618 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 619 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 620 SvIV_set (sv_result, req->result);
621 SvIOK_only (sv_result);
345 } 622 }
346 else 623 else
347 { 624 {
348 sv_result = newSViv (req->result); 625 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 626 SvREADONLY_on (sv_result);
350 } 627 }
351 628
352 switch (req->type) 629 switch (req->type)
353 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
354 case EIO_READDIR: 635 case EIO_READDIR:
355 { 636 {
356 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
357 638
358 if (req->result >= 0) 639 if (req->result >= 0)
… …
411 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))));
412 } 693 }
413 break; 694 break;
414 695
415 case EIO_OPEN: 696 case EIO_OPEN:
416 { 697 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
417 /* convert fd to fh */
418 SV *fh = &PL_sv_undef;
419
420 if (req->result >= 0)
421 {
422 GV *gv = (GV *)sv_newmortal ();
423 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
424 char sym [64];
425 int symlen;
426
427 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
428 gv_init (gv, aio_stash, sym, symlen, 0);
429
430 symlen = snprintf (
431 sym,
432 sizeof (sym),
433 "%s&=%d",
434 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
435 (int)req->result
436 );
437
438 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
439 fh = (SV *)gv;
440 }
441
442 PUSHs (fh);
443 }
444 break; 698 break;
445 699
446 case EIO_STATVFS: 700 case EIO_STATVFS:
447 case EIO_FSTATVFS: 701 case EIO_FSTATVFS:
448 { 702 {
449 SV *rv = &PL_sv_undef; 703 SV *rv = &PL_sv_undef;
450 704
705#ifndef _WIN32
451 if (req->result >= 0) 706 if (req->result >= 0)
452 { 707 {
453 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454 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));
455 715
456 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
457 717
458 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);
459 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);
… …
461 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);
462 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);
463 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);
464 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);
465 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);
466 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467 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);
468 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);
469 } 729 }
730#endif
470 731
471 PUSHs (rv); 732 PUSHs (rv);
472 } 733 }
473 734
474 break; 735 break;
… …
490 case EIO_NOP: 751 case EIO_NOP:
491 case EIO_BUSY: 752 case EIO_BUSY:
492 break; 753 break;
493 754
494 case EIO_READLINK: 755 case EIO_READLINK:
756 case EIO_REALPATH:
495 if (req->result > 0) 757 if (req->result > 0)
496 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 758 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497 break; 759 break;
498 760
499 case EIO_STAT: 761 case EIO_STAT:
500 case EIO_LSTAT: 762 case EIO_LSTAT:
501 case EIO_FSTAT: 763 case EIO_FSTAT:
502 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
503 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
504 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
769
505 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)));
506 break; 775 break;
507 776
508 case EIO_READ: 777 case EIO_READ:
509 { 778 {
510 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));
… …
513 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 783 PUSHs (sv_result);
515 } 784 }
516 break; 785 break;
517 786
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
518 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 */
519 if (req->result > 0) 858 if (req->result > 0)
520 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
522 861
523 default: 862 default:
… …
543 } 882 }
544 883
545 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
546} 885}
547 886
887static void
548static void req_destroy (aio_req req) 888req_destroy (aio_req req)
549{ 889{
550 if (req->self) 890 if (req->self)
551 { 891 {
552 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
553 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
554 } 894 }
555 895
556 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
557 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
558 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
559 901
560 Safefree (req); 902 free (req);
561} 903}
562 904
905static void
563static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
564{ 907{
565 aio_req sub;
566
567 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
568 return; 909 return;
569 910
570 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
571 grp->sv2 = 0; 912 grp->sv2 = 0;
572 913
573 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
574} 915}
575 916
917ecb_cold
576static void 918static void
577create_respipe (void) 919create_respipe (void)
578{ 920{
579 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
580 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
581} 923}
582 924
583static void poll_wait (void) 925static void
926poll_wait (void)
584{ 927{
585 while (eio_nreqs ()) 928 while (eio_nreqs ())
586 { 929 {
587 int size; 930 int size;
588 931
589 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
590 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
591 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
592 935
593 if (size) 936 if (size)
594 return; 937 return;
595 938
596 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
597 940
598 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
599 } 942 }
600} 943}
601 944
602static int poll_cb (void) 945static int
946poll_cb (void)
603{ 947{
604 for (;;) 948 for (;;)
605 { 949 {
606 int res = eio_poll (); 950 int res = eio_poll ();
607 951
… …
613 957
614 poll_wait (); 958 poll_wait ();
615 } 959 }
616} 960}
617 961
618static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
619{ 965{
620 create_respipe (); 966 create_respipe ();
621}
622 967
623/*****************************************************************************/ 968 if (eio_init (want_poll, done_poll) < 0)
624 969 croak ("IO::AIO: unable to initialise eio library");
625#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (errno = ENOSYS, -1)
628#endif
629
630#define MMAP_MAGIC PERL_MAGIC_ext
631
632static int
633mmap_free (pTHX_ SV *sv, MAGIC *mg)
634{
635 int old_errno = errno;
636 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637 errno = old_errno;
638
639 mg->mg_obj = 0; /* just in case */
640
641 SvREADONLY_off (sv);
642
643 if (SvPVX (sv) != mg->mg_ptr)
644 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
645
646 SvCUR_set (sv, 0);
647 SvPVX (sv) = 0;
648 SvOK_off (sv);
649
650 return 0;
651} 970}
652
653static MGVTBL mmap_vtbl = {
654 0, 0, 0, 0, mmap_free
655};
656 971
657/*****************************************************************************/ 972/*****************************************************************************/
658 973
659static SV * 974static SV *
660get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
661{ 976{
662 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
663 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664} 979}
665 980
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
666#define dREQ \ 1002#define dREQ \
667 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
668 aio_req req; \
669 int req_pri = next_pri; \
670 next_pri = EIO_PRI_DEFAULT; \
671 \
672 cb_cv = get_cb (callback); \
673 \
674 Newz (0, req, 1, eio_req); \
675 if (!req) \
676 croak ("out of memory during eio_req allocation"); \
677 \
678 req->callback = SvREFCNT_inc (cb_cv); \
679 req->pri = req_pri
680 1004
681#define REQ_SEND \ 1005#define REQ_SEND \
682 PUTBACK; \ 1006 PUTBACK; \
683 req_submit (req); \ 1007 req_submit (req); \
684 SPAGAIN; \ 1008 SPAGAIN; \
685 \ 1009 \
686 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
687 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
688 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1017{
1018 if (expect_false (SvROK (path)))
1019 {
1020 SV *rv = SvRV (path);
1021 SV *wdob;
1022
1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
1030 *wd = SvAIO_WD (wdob);
1031 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1032 }
1033 else
1034 *wd = EIO_INVALID_WD;
1035 }
1036 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1037 {
1038 *wd = (aio_wd)(long)SvIVX (rv);
1039 *wdsv = SvREFCNT_inc_NN (rv);
1040 *ptr = ".";
1041 return; /* path set to "." */
1042 }
1043 else
1044 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1045 }
1046
1047 *pathsv = newSVsv (path);
1048 *ptr = SvPVbyte_nolen (*pathsv);
1049}
1050
1051ecb_noinline
1052static void
1053req_set_path1 (aio_req req, SV *path)
1054{
1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1056}
1057
1058ecb_noinline
1059static void
1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1061{
1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1063
1064 switch (SvTYPE (rv))
1065 {
1066 case SVt_PVIO:
1067 case SVt_PVLV:
1068 case SVt_PVGV:
1069 req->type = type_fh;
1070 req->sv1 = newSVsv (fh_or_path);
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 break;
1073
1074 default:
1075 req->type = type_path;
1076 req_set_path1 (req, fh_or_path);
1077 break;
1078 }
1079}
1080
1081/*****************************************************************************/
1082
1083static void
1084ts_set (struct timespec *ts, NV value)
1085{
1086 ts->tv_sec = value;
1087 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1088}
1089
1090static NV
1091ts_get (const struct timespec *ts)
1092{
1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098XS(boot_IO__AIO) ecb_cold;
1099
689MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
690 1101
691PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
692 1103
693BOOT: 1104BOOT:
… …
697 IV iv; 1108 IV iv;
698 } *civ, const_iv[] = { 1109 } *civ, const_iv[] = {
699# define const_niv(name, value) { # name, (IV) value }, 1110# define const_niv(name, value) { # name, (IV) value },
700# define const_iv(name) { # name, (IV) name }, 1111# define const_iv(name) { # name, (IV) name },
701# define const_eio(name) { # name, (IV) EIO_ ## name }, 1112# define const_eio(name) { # name, (IV) EIO_ ## name },
1113
1114 /* you have to re-run ./gendef0 after adding/removing any constants here */
1115 /* the first block can be undef if missing */
1116 const_iv (ENOSYS)
702 const_iv (EXDEV) 1117 const_iv (EXDEV)
703 const_iv (ENOSYS) 1118 const_iv (EBADR)
1119
1120 /* for lseek */
1121 const_iv (SEEK_DATA)
1122 const_iv (SEEK_HOLE)
1123
1124 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1125 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1126 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1127 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1128 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1129 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1130
1131 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1132 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1133 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1134 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1135 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1136
1137 /* the second block will be 0 when missing */
1138 const_iv (O_ACCMODE)
1139
704 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
705 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
706 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
707 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 1145 const_iv (O_EXCL)
710 const_iv (O_APPEND) 1146 const_iv (O_APPEND)
711#ifndef _WIN32 1147
1148 const_iv (O_ASYNC)
1149 const_iv (O_DIRECT)
1150 const_iv (O_NOATIME)
1151
1152 const_iv (O_CLOEXEC)
1153 const_iv (O_NOCTTY)
1154 const_iv (O_NOFOLLOW)
1155 const_iv (O_NONBLOCK)
1156 const_iv (O_EXEC)
1157 const_iv (O_SEARCH)
1158 const_iv (O_DIRECTORY)
1159 const_iv (O_DSYNC)
1160 const_iv (O_RSYNC)
1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
1164 const_iv (O_TTY_INIT)
1165
712 const_iv (S_IFIFO) 1166 const_iv (S_IFIFO)
713#endif 1167 const_iv (S_IFCHR)
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1168 const_iv (S_IFBLK)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1169 const_iv (S_IFLNK)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1170 const_iv (S_IFREG)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1171 const_iv (S_IFDIR)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1172 const_iv (S_IFWHT)
719 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1173 const_iv (S_IFSOCK)
720 1174 const_iv (S_IFMT)
721 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
722 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
723 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
724 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
725 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
726 1175
727 const_iv (ST_RDONLY) 1176 const_iv (ST_RDONLY)
728 const_iv (ST_NOSUID) 1177 const_iv (ST_NOSUID)
729 const_iv (ST_NODEV) 1178 const_iv (ST_NODEV)
730 const_iv (ST_NOEXEC) 1179 const_iv (ST_NOEXEC)
… …
735 const_iv (ST_IMMUTABLE) 1184 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 1185 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 1186 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 1187 const_iv (ST_RELATIME)
739 1188
1189 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 1190 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 1191 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 1192 const_iv (PROT_WRITE)
744 1193
745 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 1194 const_iv (MAP_PRIVATE)
747 const_iv (MAP_SHARED) 1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
748 const_iv (MAP_ANONYMOUS) 1197 const_iv (MAP_ANONYMOUS)
749 1198
750 /* linuxish */ 1199 /* linuxish */
751 const_iv (MAP_HUGETLB)
752 const_iv (MAP_LOCKED) 1200 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 1201 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 1202 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 1203 const_iv (MAP_NONBLOCK)
1204 const_iv (MAP_GROWSDOWN)
1205 const_iv (MAP_32BIT)
1206 const_iv (MAP_HUGETLB)
1207 const_iv (MAP_STACK)
756 1208
1209 const_iv (MREMAP_MAYMOVE)
1210 const_iv (MREMAP_FIXED)
1211
1212 const_iv (MSG_CMSG_CLOEXEC)
1213 const_iv (SOCK_CLOEXEC)
1214
1215 const_iv (F_DUPFD_CLOEXEC)
1216
1217 const_iv (F_ADD_SEALS)
1218 const_iv (F_GET_SEALS)
1219 const_iv (F_SEAL_SEAL)
1220 const_iv (F_SEAL_SHRINK)
1221 const_iv (F_SEAL_GROW)
1222 const_iv (F_SEAL_WRITE)
1223
1224 const_iv (F_OFD_GETLK)
1225 const_iv (F_OFD_SETLK)
1226 const_iv (F_OFD_GETLKW)
1227
1228 const_iv (FIFREEZE)
1229 const_iv (FITHAW)
1230 const_iv (FITRIM)
1231 const_iv (FICLONE)
1232 const_iv (FICLONERANGE)
1233 const_iv (FIDEDUPERANGE)
1234
1235 const_iv (FS_IOC_GETFLAGS)
1236 const_iv (FS_IOC_SETFLAGS)
1237 const_iv (FS_IOC_GETVERSION)
1238 const_iv (FS_IOC_SETVERSION)
1239 const_iv (FS_IOC_FIEMAP)
1240 const_iv (FS_IOC_FSGETXATTR)
1241 const_iv (FS_IOC_FSSETXATTR)
1242 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1243 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1244 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1245
1246 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1247
1248 const_iv (FS_SECRM_FL)
1249 const_iv (FS_UNRM_FL)
1250 const_iv (FS_COMPR_FL)
1251 const_iv (FS_SYNC_FL)
1252 const_iv (FS_IMMUTABLE_FL)
1253 const_iv (FS_APPEND_FL)
1254 const_iv (FS_NODUMP_FL)
1255 const_iv (FS_NOATIME_FL)
1256 const_iv (FS_DIRTY_FL)
1257 const_iv (FS_COMPRBLK_FL)
1258 const_iv (FS_NOCOMP_FL)
1259 const_iv (FS_ENCRYPT_FL)
1260 const_iv (FS_BTREE_FL)
1261 const_iv (FS_INDEX_FL)
1262 const_iv (FS_JOURNAL_DATA_FL)
1263 const_iv (FS_NOTAIL_FL)
1264 const_iv (FS_DIRSYNC_FL)
1265 const_iv (FS_TOPDIR_FL)
1266 const_iv (FS_FL_USER_MODIFIABLE)
1267
1268 const_iv (FS_XFLAG_REALTIME)
1269 const_iv (FS_XFLAG_PREALLOC)
1270 const_iv (FS_XFLAG_IMMUTABLE)
1271 const_iv (FS_XFLAG_APPEND)
1272 const_iv (FS_XFLAG_SYNC)
1273 const_iv (FS_XFLAG_NOATIME)
1274 const_iv (FS_XFLAG_NODUMP)
1275 const_iv (FS_XFLAG_RTINHERIT)
1276 const_iv (FS_XFLAG_PROJINHERIT)
1277 const_iv (FS_XFLAG_NOSYMLINKS)
1278 const_iv (FS_XFLAG_EXTSIZE)
1279 const_iv (FS_XFLAG_EXTSZINHERIT)
1280 const_iv (FS_XFLAG_NODEFRAG)
1281 const_iv (FS_XFLAG_FILESTREAM)
1282 const_iv (FS_XFLAG_DAX)
1283 const_iv (FS_XFLAG_HASATTR)
1284
1285 const_iv (FIEMAP_FLAG_SYNC)
1286 const_iv (FIEMAP_FLAG_XATTR)
1287 const_iv (FIEMAP_FLAGS_COMPAT)
1288 const_iv (FIEMAP_EXTENT_LAST)
1289 const_iv (FIEMAP_EXTENT_UNKNOWN)
1290 const_iv (FIEMAP_EXTENT_DELALLOC)
1291 const_iv (FIEMAP_EXTENT_ENCODED)
1292 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1293 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1294 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1295 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1296 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1297 const_iv (FIEMAP_EXTENT_MERGED)
1298 const_iv (FIEMAP_EXTENT_SHARED)
1299
1300 const_iv (SPLICE_F_MOVE)
1301 const_iv (SPLICE_F_NONBLOCK)
1302 const_iv (SPLICE_F_MORE)
1303 const_iv (SPLICE_F_GIFT)
1304
1305 const_iv (EFD_CLOEXEC)
1306 const_iv (EFD_NONBLOCK)
1307 const_iv (EFD_SEMAPHORE)
1308
1309 const_iv (MFD_CLOEXEC)
1310 const_iv (MFD_ALLOW_SEALING)
1311 const_iv (MFD_HUGETLB)
1312
1313 const_iv (CLOCK_REALTIME)
1314 const_iv (CLOCK_MONOTONIC)
1315 const_iv (CLOCK_BOOTTIME)
1316 const_iv (CLOCK_REALTIME_ALARM)
1317 const_iv (CLOCK_BOOTTIME_ALARM)
1318
1319 const_iv (TFD_NONBLOCK)
1320 const_iv (TFD_CLOEXEC)
1321
1322 const_iv (TFD_TIMER_ABSTIME)
1323 const_iv (TFD_TIMER_CANCEL_ON_SET)
1324
1325 const_iv (STATX_TYPE)
1326 const_iv (STATX_MODE)
1327 const_iv (STATX_NLINK)
1328 const_iv (STATX_UID)
1329 const_iv (STATX_GID)
1330 const_iv (STATX_ATIME)
1331 const_iv (STATX_MTIME)
1332 const_iv (STATX_CTIME)
1333 const_iv (STATX_INO)
1334 const_iv (STATX_SIZE)
1335 const_iv (STATX_BLOCKS)
1336 const_iv (STATX_BASIC_STATS)
1337 const_iv (STATX_ALL)
1338 const_iv (STATX_BTIME)
1339 const_iv (STATX_ATTR_COMPRESSED)
1340 const_iv (STATX_ATTR_IMMUTABLE)
1341 const_iv (STATX_ATTR_APPEND)
1342 const_iv (STATX_ATTR_NODUMP)
1343 const_iv (STATX_ATTR_ENCRYPTED)
1344 const_iv (STATX_ATTR_AUTOMOUNT)
1345
1346 const_iv (AT_FDCWD)
1347 const_iv (AT_SYMLINK_NOFOLLOW)
1348 const_iv (AT_EACCESS)
1349 const_iv (AT_REMOVEDIR)
1350 const_iv (AT_SYMLINK_FOLLOW)
1351 const_iv (AT_NO_AUTOMOUNT)
1352 const_iv (AT_EMPTY_PATH)
1353 const_iv (AT_STATX_SYNC_TYPE)
1354 const_iv (AT_STATX_AS_STAT)
1355 const_iv (AT_STATX_FORCE_SYNC)
1356 const_iv (AT_STATX_DONT_SYNC)
1357 const_iv (AT_RECURSIVE)
1358
1359 const_iv (OPEN_TREE_CLONE)
1360
1361 const_iv (FSOPEN_CLOEXEC)
1362
1363 const_iv (FSPICK_CLOEXEC)
1364 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1365 const_iv (FSPICK_NO_AUTOMOUNT)
1366 const_iv (FSPICK_EMPTY_PATH)
1367
1368 const_iv (MOVE_MOUNT_F_SYMLINKS)
1369 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1370 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1371 const_iv (MOVE_MOUNT_T_SYMLINKS)
1372 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1373 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1374
1375 /* waitid */
1376 const_iv (P_PID)
1377 const_iv (P_PIDFD)
1378 const_iv (P_PGID)
1379 const_iv (P_ALL)
1380
1381 const_iv (FSCONFIG_SET_FLAG)
1382 const_iv (FSCONFIG_SET_STRING)
1383 const_iv (FSCONFIG_SET_BINARY)
1384 const_iv (FSCONFIG_SET_PATH)
1385 const_iv (FSCONFIG_SET_PATH_EMPTY)
1386 const_iv (FSCONFIG_SET_FD)
1387 const_iv (FSCONFIG_CMD_CREATE)
1388 const_iv (FSCONFIG_CMD_RECONFIGURE)
1389
1390 const_iv (MOUNT_ATTR_RDONLY)
1391 const_iv (MOUNT_ATTR_NOSUID)
1392 const_iv (MOUNT_ATTR_NODEV)
1393 const_iv (MOUNT_ATTR_NOEXEC)
1394 const_iv (MOUNT_ATTR__ATIME)
1395 const_iv (MOUNT_ATTR_RELATIME)
1396 const_iv (MOUNT_ATTR_NOATIME)
1397 const_iv (MOUNT_ATTR_STRICTATIME)
1398 const_iv (MOUNT_ATTR_NODIRATIME)
1399
1400 /* these are libeio constants, and are independent of gendef0 */
1401 const_eio (SEEK_SET)
1402 const_eio (SEEK_CUR)
1403 const_eio (SEEK_END)
1404
757 const_iv (MCL_FUTURE) 1405 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 1406 const_eio (MCL_CURRENT)
1407 const_eio (MCL_ONFAULT)
759 1408
760 const_eio (MS_ASYNC) 1409 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 1410 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 1411 const_eio (MS_SYNC)
763 1412
764 const_eio (MT_MODIFY) 1413 const_eio (MT_MODIFY)
765 1414
766 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1415 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767 const_eio (SYNC_FILE_RANGE_WRITE) 1416 const_eio (SYNC_FILE_RANGE_WRITE)
768 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1417 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1418
1419 const_eio (FALLOC_FL_KEEP_SIZE)
1420 const_eio (FALLOC_FL_PUNCH_HOLE)
1421 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1422 const_eio (FALLOC_FL_ZERO_RANGE)
1423 const_eio (FALLOC_FL_INSERT_RANGE)
1424 const_eio (FALLOC_FL_UNSHARE_RANGE)
1425
1426 const_eio (RENAME_NOREPLACE)
1427 const_eio (RENAME_EXCHANGE)
1428 const_eio (RENAME_WHITEOUT)
769 1429
770 const_eio (READDIR_DENTS) 1430 const_eio (READDIR_DENTS)
771 const_eio (READDIR_DIRS_FIRST) 1431 const_eio (READDIR_DIRS_FIRST)
772 const_eio (READDIR_STAT_ORDER) 1432 const_eio (READDIR_STAT_ORDER)
773 const_eio (READDIR_FOUND_UNKNOWN) 1433 const_eio (READDIR_FOUND_UNKNOWN)
… …
784 }; 1444 };
785 1445
786 aio_stash = gv_stashpv ("IO::AIO" , 1); 1446 aio_stash = gv_stashpv ("IO::AIO" , 1);
787 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1447 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1448 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1449 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789 1450
790 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1451 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1452 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792 1453
793 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1454 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794 1455
795 create_respipe (); 1456 /* allocate dummy pipe fd for aio_close */
1457 {
1458 int pipefd [2];
796 1459
797 if (eio_init (want_poll, done_poll) < 0) 1460 if (
798 croak ("IO::AIO: unable to initialise eio library"); 1461#ifdef _WIN32
1462 _pipe (pipefd, 1, _O_BINARY) < 0
1463#else
1464 pipe (pipefd) < 0
1465 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1466#endif
1467 || close (pipefd [1]) < 0
1468 )
1469 croak ("IO::AIO: unable to create dummy pipe for aio_close");
799 1470
800 /* atfork child called in fifo order, so before eio's handler */ 1471 close_fd = pipefd [0];
801 X_THREAD_ATFORK (0, 0, atfork_child); 1472 }
802}
803 1473
1474 reinit ();
1475}
1476
804void 1477void
1478reinit ()
1479 PROTOTYPE:
1480
1481void
805max_poll_reqs (int nreqs) 1482max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 1483 PROTOTYPE: $
807 CODE: 1484 CODE:
808 eio_set_max_poll_reqs (nreqs); 1485 eio_set_max_poll_reqs (nreqs);
809 1486
810void 1487void
… …
812 PROTOTYPE: $ 1489 PROTOTYPE: $
813 CODE: 1490 CODE:
814 eio_set_max_poll_time (nseconds); 1491 eio_set_max_poll_time (nseconds);
815 1492
816void 1493void
817min_parallel (int nthreads) 1494min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 1495 PROTOTYPE: $
819 CODE: 1496 CODE:
820 eio_set_min_parallel (nthreads); 1497 eio_set_min_parallel (nthreads);
821 1498
822void 1499void
823max_parallel (int nthreads) 1500max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 1501 PROTOTYPE: $
825 CODE: 1502 CODE:
826 eio_set_max_parallel (nthreads); 1503 eio_set_max_parallel (nthreads);
827 1504
828void 1505void
829max_idle (int nthreads) 1506max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 1507 PROTOTYPE: $
831 CODE: 1508 CODE:
832 eio_set_max_idle (nthreads); 1509 eio_set_max_idle (nthreads);
833 1510
834void 1511void
1512idle_timeout (unsigned int seconds)
1513 PROTOTYPE: $
1514 CODE:
1515 eio_set_idle_timeout (seconds);
1516
1517void
835max_outstanding (int maxreqs) 1518max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 1519 PROTOTYPE: $
837 CODE: 1520 CODE:
838 max_outstanding = maxreqs; 1521 max_outstanding = maxreqs;
839 1522
840void 1523void
841aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1524aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842 PROTOTYPE: $$$;$
843 PPCODE: 1525 PPCODE:
844{ 1526{
845 dREQ; 1527 dREQ;
846 1528
1529 req->type = EIO_WD_OPEN;
1530 req_set_path1 (req, pathname);
1531
1532 REQ_SEND;
1533}
1534
1535void
1536aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1537 PPCODE:
1538{
1539 dREQ;
1540
847 req->type = EIO_OPEN; 1541 req->type = EIO_OPEN;
848 req->sv1 = newSVsv (pathname); 1542 req_set_path1 (req, pathname);
849 req->ptr1 = SvPVbyte_nolen (req->sv1);
850 req->int1 = flags; 1543 req->int1 = flags;
851 req->int2 = mode; 1544 req->int2 = mode;
852 1545
853 REQ_SEND; 1546 REQ_SEND;
854} 1547}
855 1548
856void 1549void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1550aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 1551 ALIAS:
860 aio_fsync = EIO_FSYNC 1552 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 1553 aio_fdatasync = EIO_FDATASYNC
1554 aio_syncfs = EIO_SYNCFS
862 PPCODE: 1555 PPCODE:
863{ 1556{
864 int fd = s_fileno_croak (fh, 0); 1557 int fd = s_fileno_croak (fh, 0);
865 dREQ; 1558 dREQ;
866 1559
867 req->type = ix; 1560 req->type = ix;
868 req->sv1 = newSVsv (fh); 1561 req->sv1 = newSVsv (fh);
869 req->int1 = fd; 1562 req->int1 = fd;
870 1563
871 REQ_SEND (req); 1564 REQ_SEND;
872} 1565}
873 1566
874void 1567void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1568aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1569 PPCODE:
878{ 1570{
879 int fd = s_fileno_croak (fh, 0); 1571 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1572 dREQ;
881 1573
882 req->type = EIO_SYNC_FILE_RANGE; 1574 req->type = EIO_SYNC_FILE_RANGE;
883 req->sv1 = newSVsv (fh); 1575 req->sv1 = newSVsv (fh);
884 req->int1 = fd; 1576 req->int1 = fd;
885 req->offs = offset; 1577 req->offs = offset;
886 req->size = nbytes; 1578 req->size = nbytes;
887 req->int2 = flags; 1579 req->int2 = flags;
888 1580
889 REQ_SEND (req); 1581 REQ_SEND;
890} 1582}
891 1583
892void 1584void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1585aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1586 PPCODE:
896{ 1587{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1588 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1589 dREQ;
900 1590
901 if (close_pipe < 0) 1591 req->type = EIO_FALLOCATE;
1592 req->sv1 = newSVsv (fh);
1593 req->int1 = fd;
1594 req->int2 = mode;
1595 req->offs = offset;
1596 req->size = len;
1597
1598 REQ_SEND;
1599}
1600
1601void
1602aio_close (SV *fh, SV *callback = &PL_sv_undef)
1603 PPCODE:
1604{
1605 int fd = s_fileno_croak (fh, 0);
1606 dREQ;
1607#if 0
1608 /* partially duplicate logic in s_fileno */
1609 SvGETMAGIC (fh);
1610
1611 if (SvROK (fh))
1612 {
1613 fh = SvRV (fh);
1614 SvGETMAGIC (fh);
1615 }
1616
1617 if (SvTYPE (fh) == SVt_PVGV)
902 { 1618 {
903 int pipefd [2]; 1619 /* perl filehandle */
1620 PerlIOUnix_refcnt_inc (fd);
1621 do_close ((GV *)fh, 1);
904 1622
905 if (pipe (pipefd) < 0 1623 req->type = EIO_CLOSE;
906 || close (pipefd [1]) < 0 1624 req->int1 = fd;
907 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1625 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
908 abort (); /*D*/
909
910 close_pipe = pipefd [0];
911 } 1626 }
912 1627 else
1628#endif
1629 {
1630 /* fd number */
913 req->type = EIO_DUP2; 1631 req->type = EIO_DUP2;
914 req->int1 = close_pipe; 1632 req->int1 = close_fd;
1633 req->sv2 = newSVsv (fh);
1634 req->int2 = fd;
1635 }
1636
1637 REQ_SEND;
1638}
1639
1640void
1641aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1642 PPCODE:
1643{
1644 int fd = s_fileno_croak (fh, 0);
1645 dREQ;
1646
1647 req->type = EIO_SEEK;
915 req->sv2 = newSVsv (fh); 1648 req->sv1 = newSVsv (fh);
916 req->int2 = fd; 1649 req->int1 = fd;
1650 req->offs = SvVAL64 (offset);
1651 req->int2 = whence;
917 1652
918 REQ_SEND (req); 1653 REQ_SEND;
919} 1654}
920 1655
921void 1656void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1657aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923 ALIAS: 1658 ALIAS:
924 aio_read = EIO_READ 1659 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1660 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1661 PPCODE:
928{ 1662{
929 STRLEN svlen; 1663 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1664 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1665 char *svptr = SvPVbyte (data, svlen);
… …
944 len = svlen - dataoffset; 1678 len = svlen - dataoffset;
945 } 1679 }
946 else 1680 else
947 { 1681 {
948 /* read: check type and grow scalar as necessary */ 1682 /* read: check type and grow scalar as necessary */
949 SvUPGRADE (data, SVt_PV); 1683 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950 svptr = SvGROW (data, len + dataoffset + 1); 1684 svptr = sv_grow (data, len + dataoffset + 1);
1685 else if (SvCUR (data) < len + dataoffset)
1686 croak ("length + dataoffset outside of scalar, and cannot grow");
951 } 1687 }
952 1688
953 { 1689 {
954 dREQ; 1690 dREQ;
955 1691
… …
971 REQ_SEND; 1707 REQ_SEND;
972 } 1708 }
973} 1709}
974 1710
975void 1711void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1712aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
977 PROTOTYPE: $$;$ 1713 ALIAS:
1714 aio_ioctl = EIO_IOCTL
1715 aio_fcntl = EIO_FCNTL
978 PPCODE: 1716 PPCODE:
979{ 1717{
980 SV *data; 1718 int fd = s_fileno_croak (fh, 0);
1719 char *svptr;
1720
1721 if (SvPOK (arg) || !SvNIOK (arg))
1722 {
1723 STRLEN svlen;
1724 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1725#ifdef IOCPARM_LEN
1726 STRLEN need = IOCPARM_LEN (request);
1727#else
1728 STRLEN need = 256;
1729#endif
1730
1731 if (svlen < need)
1732 svptr = SvGROW (arg, need);
1733 }
1734 else
1735 svptr = (char *)SvIV (arg);
1736
1737 {
1738 dREQ;
1739
1740 req->type = ix;
1741 req->sv1 = newSVsv (fh);
1742 req->int1 = fd;
1743 req->int2 = (long)request;
1744 req->sv2 = SvREFCNT_inc (arg);
1745 req->ptr2 = svptr;
1746
1747 REQ_SEND;
1748 }
1749}
1750
1751void
1752aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1753 ALIAS:
1754 aio_readlink = EIO_READLINK
1755 aio_realpath = EIO_REALPATH
1756 PPCODE:
1757{
981 dREQ; 1758 dREQ;
982 1759
983 req->type = EIO_READLINK; 1760 req->type = ix;
984 req->sv1 = newSVsv (path); 1761 req_set_path1 (req, pathname);
985 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1762
987 REQ_SEND; 1763 REQ_SEND;
988} 1764}
989 1765
990void 1766void
991aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1767aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1768 PPCODE:
994{ 1769{
995 int ifd = s_fileno_croak (in_fh , 0); 1770 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1771 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1772 dREQ;
998 1773
999 req->type = EIO_SENDFILE; 1774 req->type = EIO_SENDFILE;
1000 req->sv1 = newSVsv (out_fh); 1775 req->sv1 = newSVsv (out_fh);
1001 req->int1 = ofd; 1776 req->int1 = ofd;
… …
1006 1781
1007 REQ_SEND; 1782 REQ_SEND;
1008} 1783}
1009 1784
1010void 1785void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1786aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1787 PPCODE:
1014{ 1788{
1015 int fd = s_fileno_croak (fh, 0); 1789 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1790 dREQ;
1017 1791
1018 req->type = EIO_READAHEAD; 1792 req->type = EIO_READAHEAD;
1019 req->sv1 = newSVsv (fh); 1793 req->sv1 = newSVsv (fh);
1020 req->int1 = fd; 1794 req->int1 = fd;
… …
1023 1797
1024 REQ_SEND; 1798 REQ_SEND;
1025} 1799}
1026 1800
1027void 1801void
1028aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1802aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029 ALIAS: 1803 ALIAS:
1030 aio_stat = EIO_STAT 1804 aio_stat = EIO_STAT
1031 aio_lstat = EIO_LSTAT 1805 aio_lstat = EIO_LSTAT
1032 aio_statvfs = EIO_STATVFS 1806 aio_statvfs = EIO_STATVFS
1033 PPCODE: 1807 PPCODE:
1034{ 1808{
1035 dREQ; 1809 dREQ;
1036 1810
1037 req->sv1 = newSVsv (fh_or_path); 1811 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039 if (SvPOK (req->sv1))
1040 {
1041 req->type = ix;
1042 req->ptr1 = SvPVbyte_nolen (req->sv1);
1043 }
1044 else
1045 {
1046 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048 }
1049 1812
1050 REQ_SEND; 1813 REQ_SEND;
1051} 1814}
1052 1815
1053void 1816void
1817st_xtime ()
1818 ALIAS:
1819 st_atime = 0x01
1820 st_mtime = 0x02
1821 st_ctime = 0x04
1822 st_btime = 0x08
1823 st_xtime = 0x0f
1824 PPCODE:
1825 EXTEND (SP, 4);
1826 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1827 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1828 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1829 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1830
1831void
1832st_xtimensec ()
1833 ALIAS:
1834 st_atimensec = 0x01
1835 st_mtimensec = 0x02
1836 st_ctimensec = 0x04
1837 st_btimensec = 0x08
1838 st_xtimensec = 0x0f
1839 st_btimesec = 0x10
1840 st_gen = 0x20
1841 PPCODE:
1842 EXTEND (SP, 4);
1843 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1844 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1845 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1846 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1847 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1848 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1849
1850UV
1851major (UV dev)
1852 ALIAS:
1853 minor = 1
1854 CODE:
1855 RETVAL = ix ? minor (dev) : major (dev);
1856 OUTPUT:
1857 RETVAL
1858
1859UV
1860makedev (UV maj, UV min)
1861 CODE:
1862 RETVAL = makedev (maj, min);
1863 OUTPUT:
1864 RETVAL
1865
1866void
1054aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1867aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055 PPCODE: 1868 PPCODE:
1056{ 1869{
1057 dREQ; 1870 dREQ;
1058 1871
1059 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1872 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1873 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061 req->sv1 = newSVsv (fh_or_path); 1874 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063 if (SvPOK (req->sv1))
1064 {
1065 req->type = EIO_UTIME;
1066 req->ptr1 = SvPVbyte_nolen (req->sv1);
1067 }
1068 else
1069 {
1070 req->type = EIO_FUTIME;
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 }
1073 1875
1074 REQ_SEND; 1876 REQ_SEND;
1075} 1877}
1076 1878
1077void 1879void
1078aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1880aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079 PPCODE: 1881 PPCODE:
1080{ 1882{
1081 dREQ; 1883 dREQ;
1082 1884
1083 req->sv1 = newSVsv (fh_or_path);
1084 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1885 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085 1886 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = EIO_TRUNCATE;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FTRUNCATE;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1887
1097 REQ_SEND; 1888 REQ_SEND;
1098} 1889}
1099 1890
1100void 1891void
1101aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1892aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1102 ALIAS:
1103 aio_chmod = EIO_CHMOD
1104 aio_mkdir = EIO_MKDIR
1105 PPCODE: 1893 PPCODE:
1106{ 1894{
1107 dREQ; 1895 dREQ;
1108 1896
1109 req->int2 = mode; 1897 req->int2 = mode;
1110 req->sv1 = newSVsv (fh_or_path); 1898 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112 if (SvPOK (req->sv1))
1113 {
1114 req->type = ix;
1115 req->ptr1 = SvPVbyte_nolen (req->sv1);
1116 }
1117 else
1118 {
1119 req->type = EIO_FCHMOD;
1120 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121 }
1122 1899
1123 REQ_SEND; 1900 REQ_SEND;
1124} 1901}
1125 1902
1126void 1903void
1127aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1904aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128 PPCODE: 1905 PPCODE:
1129{ 1906{
1130 dREQ; 1907 dREQ;
1131 1908
1132 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1909 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1910 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134 req->sv1 = newSVsv (fh_or_path); 1911 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136 if (SvPOK (req->sv1))
1137 {
1138 req->type = EIO_CHOWN;
1139 req->ptr1 = SvPVbyte_nolen (req->sv1);
1140 }
1141 else
1142 {
1143 req->type = EIO_FCHOWN;
1144 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145 }
1146 1912
1147 REQ_SEND; 1913 REQ_SEND;
1148} 1914}
1149 1915
1150void 1916void
1151aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1917aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152 PPCODE: 1918 PPCODE:
1153{ 1919{
1154 dREQ; 1920 dREQ;
1155 1921
1156 req->type = EIO_READDIR; 1922 req->type = EIO_READDIR;
1157 req->sv1 = newSVsv (pathname);
1158 req->ptr1 = SvPVbyte_nolen (req->sv1);
1159 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1923 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160 1924
1161 if (flags & EIO_READDIR_DENTS) 1925 if (flags & EIO_READDIR_DENTS)
1162 req->int1 |= EIO_READDIR_CUSTOM2; 1926 req->int1 |= EIO_READDIR_CUSTOM2;
1163 1927
1928 req_set_path1 (req, pathname);
1929
1164 REQ_SEND; 1930 REQ_SEND;
1165} 1931}
1166 1932
1167void 1933void
1934aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1935 PPCODE:
1936{
1937 dREQ;
1938
1939 req->type = EIO_MKDIR;
1940 req->int2 = mode;
1941 req_set_path1 (req, pathname);
1942
1943 REQ_SEND;
1944}
1945
1946void
1168aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1947aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169 ALIAS: 1948 ALIAS:
1170 aio_unlink = EIO_UNLINK 1949 aio_unlink = EIO_UNLINK
1171 aio_rmdir = EIO_RMDIR 1950 aio_rmdir = EIO_RMDIR
1172 aio_readdir = EIO_READDIR 1951 aio_readdir = EIO_READDIR
1173 PPCODE: 1952 PPCODE:
1174{ 1953{
1175 dREQ; 1954 dREQ;
1176 1955
1177 req->type = ix; 1956 req->type = ix;
1178 req->sv1 = newSVsv (pathname); 1957 req_set_path1 (req, pathname);
1179 req->ptr1 = SvPVbyte_nolen (req->sv1);
1180 1958
1181 REQ_SEND; 1959 REQ_SEND;
1182} 1960}
1183 1961
1184void 1962void
1185aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1963aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186 ALIAS: 1964 ALIAS:
1187 aio_link = EIO_LINK 1965 aio_link = EIO_LINK
1188 aio_symlink = EIO_SYMLINK 1966 aio_symlink = EIO_SYMLINK
1189 aio_rename = EIO_RENAME 1967 aio_rename = EIO_RENAME
1190 PPCODE: 1968 PPCODE:
1191{ 1969{
1970 eio_wd wd2 = 0;
1192 dREQ; 1971 dREQ;
1193 1972
1194 req->type = ix; 1973 req->type = ix;
1195 req->sv1 = newSVsv (oldpath); 1974 req_set_path1 (req, oldpath);
1196 req->ptr1 = SvPVbyte_nolen (req->sv1); 1975 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197 req->sv2 = newSVsv (newpath); 1976 req->int3 = (long)wd2;
1198 req->ptr2 = SvPVbyte_nolen (req->sv2);
1199 1977
1200 REQ_SEND; 1978 REQ_SEND;
1201} 1979}
1202 1980
1203void 1981void
1982aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1983 PPCODE:
1984{
1985 eio_wd wd2 = 0;
1986 dREQ;
1987
1988 req->type = EIO_RENAME;
1989 req_set_path1 (req, oldpath);
1990 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1991 req->int2 = flags;
1992 req->int3 = (long)wd2;
1993
1994 REQ_SEND;
1995}
1996
1997void
1204aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1998aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205 PPCODE: 1999 PPCODE:
1206{ 2000{
1207 dREQ; 2001 dREQ;
1208 2002
1209 req->type = EIO_MKNOD; 2003 req->type = EIO_MKNOD;
1210 req->sv1 = newSVsv (pathname);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1);
1212 req->int2 = (mode_t)mode; 2004 req->int2 = (mode_t)mode;
1213 req->offs = dev; 2005 req->offs = dev;
2006 req_set_path1 (req, pathname);
1214 2007
1215 REQ_SEND; 2008 REQ_SEND;
1216} 2009}
1217 2010
1218void 2011void
1219aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2012aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1220 ALIAS: 2013 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 2014 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 2015 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 2016 PPCODE:
1225{ 2017{
1226 STRLEN svlen; 2018 STRLEN svlen;
2019 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 2020 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen); 2021
2022 if (flags < 0)
2023 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1229 2024
1230 if (offset < 0) 2025 if (offset < 0)
1231 offset += svlen; 2026 offset += svlen;
1232 2027
1233 if (offset < 0 || offset > svlen) 2028 if (offset < 0 || offset > svlen)
… …
1238 2033
1239 { 2034 {
1240 dREQ; 2035 dREQ;
1241 2036
1242 req->type = ix; 2037 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 2038 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 2039 req->ptr2 = (char *)svptr + offset;
2040 req->size = len;
1246 req->int1 = flags; 2041 req->int1 = flags;
1247 2042
1248 REQ_SEND; 2043 REQ_SEND;
1249 } 2044 }
1250} 2045}
1251 2046
1252void 2047void
2048aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2049 PPCODE:
2050{
2051 STRLEN svlen;
2052 char *svptr = SvPVbyte (data, svlen);
2053 UV len = SvUV (length);
2054
2055 if (offset < 0)
2056 offset += svlen;
2057
2058 if (offset < 0 || offset > svlen)
2059 croak ("offset outside of scalar");
2060
2061 if (!SvOK (length) || len + offset > svlen)
2062 len = svlen - offset;
2063
2064 {
2065 dREQ;
2066
2067 req->type = EIO_MLOCK;
2068 req->sv2 = SvREFCNT_inc (data);
2069 req->ptr2 = (char *)svptr + offset;
2070 req->size = len;
2071
2072 REQ_SEND;
2073 }
2074}
2075
2076void
2077aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2078 PPCODE:
2079{
2080 dREQ;
2081
2082 req->type = EIO_MLOCKALL;
2083 req->int1 = flags;
2084
2085 REQ_SEND;
2086}
2087
2088void
2089aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2090 PPCODE:
2091{
2092 int fd = s_fileno_croak (fh, 0);
2093 dREQ;
2094
2095 req->type = EIO_CUSTOM;
2096 req->sv1 = newSVsv (fh);
2097 req->int1 = fd;
2098
2099 req->feed = fiemap;
2100#if HAVE_FIEMAP
2101 /* keep our fingers crossed that the next two types are 64 bit */
2102 req->offs = start;
2103 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2104 req->int2 = flags;
2105 req->int3 = SvOK (count) ? SvIV (count) : -1;
2106#endif
2107
2108 REQ_SEND;
2109}
2110
2111void
2112aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2113 PPCODE:
2114{
2115 char *svptr = 0;
2116
2117 sv_clear_foreign (data);
2118
2119 if (length) /* known length, directly read into scalar */
2120 {
2121 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2122 svptr = sv_grow (data, length + 1);
2123 else if (SvCUR (data) < length)
2124 croak ("length outside of scalar, and cannot grow");
2125 else
2126 svptr = SvPVbyte_nolen (data);
2127 }
2128
2129 {
2130 dREQ;
2131
2132 req->type = EIO_SLURP;
2133 req_set_path1 (req, pathname);
2134 req->offs = offset;
2135 req->size = length;
2136 req->sv2 = SvREFCNT_inc (data);
2137 req->ptr2 = svptr;
2138
2139 if (!SvREADONLY (data))
2140 {
2141 SvREADONLY_on (data);
2142 req->flags |= FLAG_SV2_RO_OFF;
2143 }
2144
2145 REQ_SEND;
2146 }
2147}
2148
2149void
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 2150aio_busy (double delay, SV *callback = &PL_sv_undef)
1254 PPCODE: 2151 PPCODE:
1255{ 2152{
1256 dREQ; 2153 dREQ;
1257 2154
1258 req->type = EIO_BUSY; 2155 req->type = EIO_BUSY;
… …
1260 2157
1261 REQ_SEND; 2158 REQ_SEND;
1262} 2159}
1263 2160
1264void 2161void
1265aio_group (SV *callback=&PL_sv_undef) 2162aio_group (SV *callback = &PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 2163 PPCODE:
1268{ 2164{
1269 dREQ; 2165 dREQ;
1270 2166
1271 req->type = EIO_GROUP; 2167 req->type = EIO_GROUP;
1272 2168
2169 PUTBACK;
1273 req_submit (req); 2170 req_submit (req);
2171 SPAGAIN;
2172
1274 XPUSHs (req_sv (req, aio_grp_stash)); 2173 XPUSHs (req_sv (req, aio_grp_stash));
1275} 2174}
1276 2175
1277void 2176void
1278aio_nop (SV *callback=&PL_sv_undef) 2177aio_nop (SV *callback = &PL_sv_undef)
1279 ALIAS: 2178 ALIAS:
1280 aio_nop = EIO_NOP 2179 aio_nop = EIO_NOP
1281 aio_sync = EIO_SYNC 2180 aio_sync = EIO_SYNC
1282 PPCODE: 2181 PPCODE:
1283{ 2182{
… …
1287 2186
1288 REQ_SEND; 2187 REQ_SEND;
1289} 2188}
1290 2189
1291int 2190int
1292aioreq_pri (int pri = 0) 2191aioreq_pri (int pri = NO_INIT)
1293 PROTOTYPE: ;$
1294 CODE: 2192 CODE:
1295 RETVAL = next_pri; 2193 RETVAL = next_pri;
1296 if (items > 0) 2194 if (items > 0)
1297 { 2195 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2196 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2208 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 2209 next_pri = nice;
1312 2210
1313void 2211void
1314flush () 2212flush ()
1315 PROTOTYPE:
1316 CODE: 2213 CODE:
1317 while (eio_nreqs ()) 2214 while (eio_nreqs ())
1318 { 2215 {
1319 poll_wait (); 2216 poll_wait ();
1320 poll_cb (); 2217 poll_cb ();
1321 } 2218 }
1322 2219
1323int 2220int
1324poll() 2221poll ()
1325 PROTOTYPE:
1326 CODE: 2222 CODE:
1327 poll_wait (); 2223 poll_wait ();
1328 RETVAL = poll_cb (); 2224 RETVAL = poll_cb ();
1329 OUTPUT: 2225 OUTPUT:
1330 RETVAL 2226 RETVAL
1331 2227
1332int 2228int
1333poll_fileno() 2229poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 2230 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 2231 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 2232 OUTPUT:
1338 RETVAL 2233 RETVAL
1339 2234
1340int 2235int
1341poll_cb(...) 2236poll_cb (...)
1342 PROTOTYPE: 2237 PROTOTYPE:
1343 CODE: 2238 CODE:
1344 RETVAL = poll_cb (); 2239 RETVAL = poll_cb ();
1345 OUTPUT: 2240 OUTPUT:
1346 RETVAL 2241 RETVAL
1347 2242
1348void 2243void
1349poll_wait() 2244poll_wait ()
1350 PROTOTYPE:
1351 CODE: 2245 CODE:
1352 poll_wait (); 2246 poll_wait ();
1353 2247
1354int 2248int
1355nreqs() 2249nreqs ()
1356 PROTOTYPE:
1357 CODE: 2250 CODE:
1358 RETVAL = eio_nreqs (); 2251 RETVAL = eio_nreqs ();
1359 OUTPUT: 2252 OUTPUT:
1360 RETVAL 2253 RETVAL
1361 2254
1362int 2255int
1363nready() 2256nready ()
1364 PROTOTYPE:
1365 CODE: 2257 CODE:
1366 RETVAL = eio_nready (); 2258 RETVAL = eio_nready ();
1367 OUTPUT: 2259 OUTPUT:
1368 RETVAL 2260 RETVAL
1369 2261
1370int 2262int
1371npending() 2263npending ()
1372 PROTOTYPE:
1373 CODE: 2264 CODE:
1374 RETVAL = eio_npending (); 2265 RETVAL = eio_npending ();
1375 OUTPUT: 2266 OUTPUT:
1376 RETVAL 2267 RETVAL
1377 2268
1378int 2269int
1379nthreads() 2270nthreads ()
1380 PROTOTYPE:
1381 CODE: 2271 CODE:
1382 RETVAL = eio_nthreads (); 2272 RETVAL = eio_nthreads ();
1383 OUTPUT: 2273 OUTPUT:
1384 RETVAL 2274 RETVAL
1385 2275
1386int 2276int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2277fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 2278 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 2279 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 2280 OUTPUT:
1396 RETVAL 2281 RETVAL
1397 2282
1398ssize_t 2283IV
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2284sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 2285 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2286 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 2287 OUTPUT:
1404 RETVAL 2288 RETVAL
1405 2289
1406void 2290void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2291mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 2292 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 2293 sv_clear_foreign (scalar);
1411{ 2294{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2295 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2296 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1414 if (addr == (void *)-1) 2297 if (addr == (void *)-1)
1415 XSRETURN_NO; 2298 XSRETURN_NO;
1416 2299
1417 sv_force_normal (scalar); 2300 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1418
1419 /* we store the length in mg_obj, as namlen is I32 :/ */
1420 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1421 ->mg_obj = (SV *)length;
1422
1423 SvUPGRADE (scalar, SVt_PV); /* nop... */
1424 2301
1425 if (!(prot & PROT_WRITE)) 2302 if (!(prot & PROT_WRITE))
1426 SvREADONLY_on (scalar); 2303 SvREADONLY_on (scalar);
1427 2304
1428 if (SvLEN (scalar))
1429 Safefree (SvPVX (scalar));
1430
1431 SvPVX (scalar) = (char *)addr;
1432 SvCUR_set (scalar, length);
1433 SvLEN_set (scalar, 0);
1434 SvPOK_only (scalar);
1435
1436 XSRETURN_YES; 2305 XSRETURN_YES;
1437} 2306}
1438 2307
1439void 2308void
1440munmap (SV *scalar) 2309munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 2310 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 2311 sv_clear_foreign (scalar);
1444 2312
1445int 2313SV *
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 2314mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1447 PROTOTYPE: $$$$ 2315 CODE:
1448 CODE:
1449{ 2316{
1450 char *addr = SvPV_nolen (scalar) + offset; 2317 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2318 void *new;
1451 2319
1452 if (!SvOK (ST (2))) 2320 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1453 length = SvCUR (scalar) - offset; 2321 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1454 2322
1455 if (addr >= SvEND (scalar) || length <= 0) 2323 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1456 XSRETURN_EMPTY;
1457 2324
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 2325 RETVAL = &PL_sv_no;
1459 RETVAL = posix_madvise (addr, length, advice); 2326
1460 #else 2327 if (new != (void *)-1)
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 2328 {
1462 #endif 2329 RETVAL = new == (void *)mg->mg_ptr
2330 ? newSVpvn ("0 but true", 10)
2331 : &PL_sv_yes;
2332
2333 mg->mg_ptr = (char *)new;
2334 mg->mg_obj = (SV *)new_length;
2335
2336 SvPVX (scalar) = mg->mg_ptr;
2337 SvCUR_set (scalar, new_length);
2338 }
1463} 2339}
1464 OUTPUT: 2340 OUTPUT:
1465 RETVAL 2341 RETVAL
1466 2342
1467int 2343int
1468mlockall (int flags) 2344madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2345 ALIAS:
2346 mprotect = 1
1470 CODE: 2347 CODE:
2348{
2349 STRLEN svlen;
2350 void *addr = SvPVbyte (scalar, svlen);
2351 STRLEN len = SvUV (length);
2352
2353 if (offset < 0)
2354 offset += svlen;
2355
2356 if (offset < 0 || offset > svlen)
2357 croak ("offset outside of scalar");
2358
2359 if (!SvOK (length) || len + offset > svlen)
2360 len = svlen - offset;
2361
2362 addr = (void *)(((intptr_t)addr) + offset);
2363 eio_page_align (&addr, &len);
2364
2365 switch (ix)
2366 {
2367 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2368 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2369 }
2370}
2371 OUTPUT:
2372 RETVAL
2373
2374int
2375munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2376 CODE:
2377{
2378 STRLEN svlen;
2379 void *addr = SvPVbyte (scalar, svlen);
2380 size_t len = SvUV (length);
2381
2382 if (offset < 0)
2383 offset += svlen;
2384
2385 if (offset < 0 || offset > svlen)
2386 croak ("offset outside of scalar");
2387
2388 if (!SvOK (length) || len + offset > svlen)
2389 len = svlen - offset;
2390
2391 addr = (void *)(((intptr_t)addr) + offset);
2392 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2393#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2394 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2395#else
1478 RETVAL = -1; 2396 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2397#endif
2398}
1481 OUTPUT: 2399 OUTPUT:
1482 RETVAL 2400 RETVAL
1483 2401
1484int 2402int
2403mlockall (int flags)
2404 PROTOTYPE: $;
2405 CODE:
2406 RETVAL = eio_mlockall_sync (flags);
2407 OUTPUT:
2408 RETVAL
2409
2410int
1485munlockall () 2411munlockall ()
1486 PROTOTYPE:
1487 CODE: 2412 CODE:
1488#if _POSIX_MEMLOCK 2413#if _POSIX_MEMLOCK
1489 munlockall (); 2414 munlockall ();
1490#else 2415#else
1491 RETVAL = -1; 2416 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2417#endif
1494 OUTPUT: 2418 OUTPUT:
1495 RETVAL 2419 RETVAL
2420
2421int
2422statx (SV8 *pathname, int flags, UV mask)
2423 CODE:
2424{
2425 /* undocumented, and might go away, and anyway, should use eio_statx */
2426 SV *wdsv = 0;
2427 SV *pathsv = 0;
2428 eio_wd wd = EIO_CWD;
2429 void *ptr;
2430 int res;
2431
2432 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2433 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2434
2435 SvREFCNT_dec (pathsv);
2436 SvREFCNT_dec (wdsv);
2437}
2438 OUTPUT:
2439 RETVAL
2440
2441U32
2442stx_mode ()
2443 PROTOTYPE:
2444 CODE:
2445#if HAVE_STATX
2446 RETVAL = stx.stx_mode;
2447#else
2448 XSRETURN_UNDEF;
2449#endif
2450 OUTPUT:
2451 RETVAL
2452
2453#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2454#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2455#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2456#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2457#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2458#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2459#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2460#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2461#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2462#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2463#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2464#define STATX_OFFSET_size statx_offsetof (stx_size)
2465#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2466#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2467#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2468#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2469#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2470#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2471
2472U32
2473stx_mask ()
2474 PROTOTYPE:
2475 ALIAS:
2476 stx_mask = STATX_OFFSET_mask
2477 stx_blksize = STATX_OFFSET_blksize
2478 stx_nlink = STATX_OFFSET_nlink
2479 stx_uid = STATX_OFFSET_uid
2480 stx_gid = STATX_OFFSET_gid
2481 stx_rdev_major = STATX_OFFSET_rdev_major
2482 stx_rdev_minor = STATX_OFFSET_rdev_minor
2483 stx_dev_major = STATX_OFFSET_dev_major
2484 stx_dev_minor = STATX_OFFSET_dev_minor
2485 CODE:
2486#if HAVE_STATX
2487 RETVAL = *(__u32 *)((char *)&stx + ix);
2488#else
2489 XSRETURN_UNDEF;
2490#endif
2491 OUTPUT:
2492 RETVAL
2493
2494VAL64
2495stx_attributes ()
2496 PROTOTYPE:
2497 ALIAS:
2498 stx_attributes = STATX_OFFSET_attributes
2499 stx_ino = STATX_OFFSET_ino
2500 stx_size = STATX_OFFSET_size
2501 stx_blocks = STATX_OFFSET_blocks
2502 stx_attributes_mask = STATX_OFFSET_attributes_mask
2503 CODE:
2504#if HAVE_STATX
2505 RETVAL = *(__u64 *)((char *)&stx + ix);
2506#else
2507 XSRETURN_UNDEF;
2508#endif
2509 OUTPUT:
2510 RETVAL
2511
2512NV
2513stx_atime ()
2514 PROTOTYPE:
2515 ALIAS:
2516 stx_atime = STATX_OFFSET_atime
2517 stx_btime = STATX_OFFSET_btime
2518 stx_ctime = STATX_OFFSET_ctime
2519 stx_mtime = STATX_OFFSET_mtime
2520 CODE:
2521#if HAVE_STATX
2522 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2523 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2524#else
2525 XSRETURN_UNDEF;
2526#endif
2527 OUTPUT:
2528 RETVAL
2529
2530VAL64
2531stx_atimesec ()
2532 PROTOTYPE:
2533 ALIAS:
2534 stx_atimesec = STATX_OFFSET_atime
2535 stx_btimesec = STATX_OFFSET_btime
2536 stx_ctimesec = STATX_OFFSET_ctime
2537 stx_mtimesec = STATX_OFFSET_mtime
2538 CODE:
2539#if HAVE_STATX
2540 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2541 RETVAL = ts->tv_sec;
2542#else
2543 XSRETURN_UNDEF;
2544#endif
2545 OUTPUT:
2546 RETVAL
2547
2548U32
2549stx_atimensec ()
2550 PROTOTYPE:
2551 ALIAS:
2552 stx_atimensec = STATX_OFFSET_atime
2553 stx_btimensec = STATX_OFFSET_btime
2554 stx_ctimensec = STATX_OFFSET_ctime
2555 stx_mtimensec = STATX_OFFSET_mtime
2556 CODE:
2557#if HAVE_STATX
2558 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2559 RETVAL = ts->tv_nsec;
2560#else
2561 RETVAL = 0;
2562#endif
2563 OUTPUT:
2564 RETVAL
2565
2566void
2567accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2568 PPCODE:
2569{
2570 SV *retval;
2571#if HAVE_ACCEPT4
2572 socklen_t salen_ = salen ? salen + 1 : 0;
2573
2574 if (salen)
2575 {
2576 sv_upgrade (sockaddr, SVt_PV);
2577 sv_grow (sockaddr, salen_);
2578 }
2579
2580 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2581
2582 retval = newmortalFH (res, O_RDWR);
2583
2584 if (res >= 0 && salen > 0)
2585 {
2586 if (salen_ > salen + 1)
2587 salen_ = salen + 1;
2588
2589 SvPOK_only (sockaddr);
2590 SvCUR_set (sockaddr, salen_);
2591 }
2592#else
2593 errno = ENOSYS;
2594 retval = &PL_sv_undef;
2595#endif
2596 XPUSHs (retval);
2597}
2598
2599ssize_t
2600splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2601 CODE:
2602{
2603#if HAVE_LINUX_SPLICE
2604 loff_t off_in_, off_out_;
2605 RETVAL = splice (
2606 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2607 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2608 length, flags
2609 );
2610#else
2611 RETVAL = EIO_ENOSYS ();
2612#endif
2613}
2614 OUTPUT:
2615 RETVAL
2616
2617ssize_t
2618tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2619 CODE:
2620#if HAVE_LINUX_SPLICE
2621 RETVAL = tee (rfh, wfh, length, flags);
2622#else
2623 RETVAL = EIO_ENOSYS ();
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628int
2629pipesize (aio_rfd rfh, int new_size = -1)
2630 PROTOTYPE: $;$
2631 CODE:
2632#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2633 if (new_size >= 0)
2634 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2635 else
2636 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2637#else
2638 errno = ENOSYS;
2639 RETVAL = -1;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644void
2645pipe2 (int flags = 0)
2646 PROTOTYPE: ;$
2647 PPCODE:
2648{
2649 int fd[2];
2650 int res;
2651
2652 if (flags)
2653#if HAVE_PIPE2
2654 res = pipe2 (fd, flags);
2655#else
2656 res = (errno = ENOSYS, -1);
2657#endif
2658 else
2659 res = pipe (fd);
2660
2661 if (!res)
2662 {
2663 EXTEND (SP, 2);
2664 PUSHs (newmortalFH (fd[0], O_RDONLY));
2665 PUSHs (newmortalFH (fd[1], O_WRONLY));
2666 }
2667}
2668
2669void
2670pidfd_open (int pid, unsigned int flags = 0)
2671 PPCODE:
2672{
2673 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2674 int fd = syscall (SYS_pidfd_open, pid, flags);
2675 XPUSHs (newmortalFH (fd, O_RDWR));
2676}
2677
2678int
2679pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2680 PPCODE:
2681{
2682 int res;
2683 siginfo_t si = { 0 };
2684
2685 if (SvOK (siginfo))
2686 {
2687 HV *hv;
2688 SV **svp;
2689
2690 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2691 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2692
2693 hv = (HV *)SvRV (siginfo);
2694
2695 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2696 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2697 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2698 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2699 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2700 }
2701
2702 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2703 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2704
2705 XPUSHs (sv_2mortal (newSViv (res)));
2706}
2707
2708void
2709pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2710 PPCODE:
2711{
2712 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2713 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2714 XPUSHs (newmortalFH (fd, O_RDWR));
2715}
2716
2717void
2718eventfd (unsigned int initval = 0, int flags = 0)
2719 PPCODE:
2720{
2721 int fd;
2722#if HAVE_EVENTFD
2723 fd = eventfd (initval, flags);
2724#else
2725 fd = (errno = ENOSYS, -1);
2726#endif
2727
2728 XPUSHs (newmortalFH (fd, O_RDWR));
2729}
2730
2731void
2732timerfd_create (int clockid, int flags = 0)
2733 PPCODE:
2734{
2735 int fd;
2736#if HAVE_TIMERFD
2737 fd = timerfd_create (clockid, flags);
2738#else
2739 fd = (errno = ENOSYS, -1);
2740#endif
2741
2742 XPUSHs (newmortalFH (fd, O_RDWR));
2743}
2744
2745void
2746timerfd_settime (SV *fh, int flags, NV interval, NV value)
2747 PPCODE:
2748{
2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2751 int res;
2752 struct itimerspec its, ots;
2753
2754 ts_set (&its.it_interval, interval);
2755 ts_set (&its.it_value , value);
2756 res = timerfd_settime (fd, flags, &its, &ots);
2757
2758 if (!res)
2759 {
2760 EXTEND (SP, 2);
2761 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2762 PUSHs (newSVnv (ts_get (&ots.it_value)));
2763 }
2764#else
2765 errno = ENOSYS;
2766#endif
2767}
2768
2769void
2770timerfd_gettime (SV *fh)
2771 PPCODE:
2772{
2773 int fd = s_fileno_croak (fh, 0);
2774#if HAVE_TIMERFD
2775 int res;
2776 struct itimerspec ots;
2777 res = timerfd_gettime (fd, &ots);
2778
2779 if (!res)
2780 {
2781 EXTEND (SP, 2);
2782 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2783 PUSHs (newSVnv (ts_get (&ots.it_value)));
2784 }
2785#else
2786 errno = ENOSYS;
2787#endif
2788}
2789
2790void
2791memfd_create (SV8 *pathname, int flags = 0)
2792 PPCODE:
2793{
2794 int fd;
2795#if HAVE_MEMFD_CREATE
2796 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2797#else
2798 fd = (errno = ENOSYS, -1);
2799#endif
2800
2801 XPUSHs (newmortalFH (fd, O_RDWR));
2802}
2803
2804UV
2805get_fdlimit ()
2806 CODE:
2807#if HAVE_RLIMITS
2808 struct rlimit rl;
2809 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2810 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2811#endif
2812 XSRETURN_UNDEF;
2813 OUTPUT:
2814 RETVAL
2815
2816void
2817min_fdlimit (UV limit = 0x7fffffffU)
2818 CODE:
2819{
2820#if HAVE_RLIMITS
2821 struct rlimit rl;
2822 rlim_t orig_rlim_max;
2823 UV bit;
2824
2825 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2826 goto fail;
2827
2828 if (rl.rlim_cur == RLIM_INFINITY)
2829 XSRETURN_YES;
2830
2831 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2832
2833 if (rl.rlim_cur < limit)
2834 {
2835 rl.rlim_cur = limit;
2836
2837 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2838 rl.rlim_max = rl.rlim_cur;
2839 }
2840
2841 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2842 XSRETURN_YES;
2843
2844 if (errno == EPERM)
2845 {
2846 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2847 /* our limit overflows a system-wide limit */
2848 /* try an adaptive algorithm, but do not lower the hardlimit */
2849 rl.rlim_max = 0;
2850 for (bit = 0x40000000U; bit; bit >>= 1)
2851 {
2852 rl.rlim_max |= bit;
2853 rl.rlim_cur = rl.rlim_max;
2854
2855 /* never decrease the hard limit */
2856 if (rl.rlim_max < orig_rlim_max)
2857 break;
2858
2859 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2860 rl.rlim_max &= ~bit; /* too high, remove bit again */
2861 }
2862
2863 /* now, raise the soft limit to the max permitted */
2864 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2865 {
2866 rl.rlim_cur = rl.rlim_max;
2867 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2868 errno = EPERM;
2869 }
2870 }
2871#endif
2872 fail:
2873 XSRETURN_UNDEF;
2874}
1496 2875
1497void _on_next_submit (SV *cb) 2876void _on_next_submit (SV *cb)
1498 CODE: 2877 CODE:
1499 SvREFCNT_dec (on_next_submit); 2878 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2879 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2880
1502PROTOTYPES: DISABLE 2881PROTOTYPES: DISABLE
1503 2882
2883MODULE = IO::AIO PACKAGE = IO::AIO::WD
2884
2885BOOT:
2886{
2887 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2888 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2889}
2890
2891void
2892DESTROY (SV *self)
2893 CODE:
2894{
2895 aio_wd wd = SvAIO_WD (self);
2896#if HAVE_AT
2897 {
2898 SV *callback = &PL_sv_undef;
2899 dREQ; /* clobbers next_pri :/ */
2900 next_pri = req->pri; /* restore next_pri */
2901 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2902 req->type = EIO_WD_CLOSE;
2903 req->wd = wd;
2904 REQ_SEND;
2905 }
2906#else
2907 eio_wd_close_sync (wd);
2908#endif
2909}
2910
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2911MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2912
1506void 2913void
1507cancel (aio_req_ornot req) 2914cancel (aio_req_ornot req)
1508 CODE: 2915 CODE:
1509 eio_cancel (req); 2916 eio_cancel (req);
1510 2917
1511void 2918void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2919cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2920 PPCODE:
1514{ 2921{
1515 if (GIMME_V != G_VOID) 2922 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2923 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2924
1518 if (items > 1) 2925 if (items > 1)
1519 { 2926 {
1520 SV *cb_cv =get_cb (callback); 2927 SV *cb_cv = get_cb (callback);
1521 2928
1522 SvREFCNT_dec (req->callback); 2929 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2930 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2931 }
1525} 2932}
… …
1582limit (aio_req grp, int limit) 2989limit (aio_req grp, int limit)
1583 CODE: 2990 CODE:
1584 eio_grp_limit (grp, limit); 2991 eio_grp_limit (grp, limit);
1585 2992
1586void 2993void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2994feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2995 CODE:
1589{ 2996{
1590 SvREFCNT_dec (grp->sv2); 2997 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2998 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2999 grp->feed = aio_grp_feed;

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