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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 1.291 by root, Tue Jul 27 07:58:35 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)
1208 const_iv (MAP_FIXED_NOREPLACE)
1209 const_iv (MAP_SHARED_VALIDATE)
1210 const_iv (MAP_SYNC)
1211 const_iv (MAP_UNINITIALIZED)
756 1212
1213 const_iv (MREMAP_MAYMOVE)
1214 const_iv (MREMAP_FIXED)
1215
1216 const_iv (MSG_CMSG_CLOEXEC)
1217 const_iv (SOCK_CLOEXEC)
1218
1219 const_iv (F_DUPFD_CLOEXEC)
1220
1221 const_iv (F_ADD_SEALS)
1222 const_iv (F_GET_SEALS)
1223 const_iv (F_SEAL_SEAL)
1224 const_iv (F_SEAL_SHRINK)
1225 const_iv (F_SEAL_GROW)
1226 const_iv (F_SEAL_WRITE)
1227
1228 const_iv (F_OFD_GETLK)
1229 const_iv (F_OFD_SETLK)
1230 const_iv (F_OFD_GETLKW)
1231
1232 const_iv (FIFREEZE)
1233 const_iv (FITHAW)
1234 const_iv (FITRIM)
1235 const_iv (FICLONE)
1236 const_iv (FICLONERANGE)
1237 const_iv (FIDEDUPERANGE)
1238
1239 const_iv (FS_IOC_GETFLAGS)
1240 const_iv (FS_IOC_SETFLAGS)
1241 const_iv (FS_IOC_GETVERSION)
1242 const_iv (FS_IOC_SETVERSION)
1243 const_iv (FS_IOC_FIEMAP)
1244 const_iv (FS_IOC_FSGETXATTR)
1245 const_iv (FS_IOC_FSSETXATTR)
1246 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1247 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1248 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1249
1250 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1251
1252 const_iv (FS_SECRM_FL)
1253 const_iv (FS_UNRM_FL)
1254 const_iv (FS_COMPR_FL)
1255 const_iv (FS_SYNC_FL)
1256 const_iv (FS_IMMUTABLE_FL)
1257 const_iv (FS_APPEND_FL)
1258 const_iv (FS_NODUMP_FL)
1259 const_iv (FS_NOATIME_FL)
1260 const_iv (FS_DIRTY_FL)
1261 const_iv (FS_COMPRBLK_FL)
1262 const_iv (FS_NOCOMP_FL)
1263 const_iv (FS_ENCRYPT_FL)
1264 const_iv (FS_BTREE_FL)
1265 const_iv (FS_INDEX_FL)
1266 const_iv (FS_JOURNAL_DATA_FL)
1267 const_iv (FS_NOTAIL_FL)
1268 const_iv (FS_DIRSYNC_FL)
1269 const_iv (FS_TOPDIR_FL)
1270 const_iv (FS_FL_USER_MODIFIABLE)
1271
1272 const_iv (FS_XFLAG_REALTIME)
1273 const_iv (FS_XFLAG_PREALLOC)
1274 const_iv (FS_XFLAG_IMMUTABLE)
1275 const_iv (FS_XFLAG_APPEND)
1276 const_iv (FS_XFLAG_SYNC)
1277 const_iv (FS_XFLAG_NOATIME)
1278 const_iv (FS_XFLAG_NODUMP)
1279 const_iv (FS_XFLAG_RTINHERIT)
1280 const_iv (FS_XFLAG_PROJINHERIT)
1281 const_iv (FS_XFLAG_NOSYMLINKS)
1282 const_iv (FS_XFLAG_EXTSIZE)
1283 const_iv (FS_XFLAG_EXTSZINHERIT)
1284 const_iv (FS_XFLAG_NODEFRAG)
1285 const_iv (FS_XFLAG_FILESTREAM)
1286 const_iv (FS_XFLAG_DAX)
1287 const_iv (FS_XFLAG_HASATTR)
1288
1289 const_iv (FIEMAP_FLAG_SYNC)
1290 const_iv (FIEMAP_FLAG_XATTR)
1291 const_iv (FIEMAP_FLAGS_COMPAT)
1292 const_iv (FIEMAP_EXTENT_LAST)
1293 const_iv (FIEMAP_EXTENT_UNKNOWN)
1294 const_iv (FIEMAP_EXTENT_DELALLOC)
1295 const_iv (FIEMAP_EXTENT_ENCODED)
1296 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1297 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1298 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1299 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1300 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1301 const_iv (FIEMAP_EXTENT_MERGED)
1302 const_iv (FIEMAP_EXTENT_SHARED)
1303
1304 const_iv (SPLICE_F_MOVE)
1305 const_iv (SPLICE_F_NONBLOCK)
1306 const_iv (SPLICE_F_MORE)
1307 const_iv (SPLICE_F_GIFT)
1308
1309 const_iv (EFD_CLOEXEC)
1310 const_iv (EFD_NONBLOCK)
1311 const_iv (EFD_SEMAPHORE)
1312
1313 const_iv (MFD_CLOEXEC)
1314 const_iv (MFD_ALLOW_SEALING)
1315 const_iv (MFD_HUGETLB)
1316
1317 const_iv (CLOCK_REALTIME)
1318 const_iv (CLOCK_MONOTONIC)
1319 const_iv (CLOCK_BOOTTIME)
1320 const_iv (CLOCK_REALTIME_ALARM)
1321 const_iv (CLOCK_BOOTTIME_ALARM)
1322
1323 const_iv (TFD_NONBLOCK)
1324 const_iv (TFD_CLOEXEC)
1325
1326 const_iv (TFD_TIMER_ABSTIME)
1327 const_iv (TFD_TIMER_CANCEL_ON_SET)
1328
1329 const_iv (STATX_TYPE)
1330 const_iv (STATX_MODE)
1331 const_iv (STATX_NLINK)
1332 const_iv (STATX_UID)
1333 const_iv (STATX_GID)
1334 const_iv (STATX_ATIME)
1335 const_iv (STATX_MTIME)
1336 const_iv (STATX_CTIME)
1337 const_iv (STATX_INO)
1338 const_iv (STATX_SIZE)
1339 const_iv (STATX_BLOCKS)
1340 const_iv (STATX_BASIC_STATS)
1341 const_iv (STATX_ALL)
1342 const_iv (STATX_BTIME)
1343 const_iv (STATX_ATTR_COMPRESSED)
1344 const_iv (STATX_ATTR_IMMUTABLE)
1345 const_iv (STATX_ATTR_APPEND)
1346 const_iv (STATX_ATTR_NODUMP)
1347 const_iv (STATX_ATTR_ENCRYPTED)
1348 const_iv (STATX_ATTR_AUTOMOUNT)
1349
1350 const_iv (AT_FDCWD)
1351 const_iv (AT_SYMLINK_NOFOLLOW)
1352 const_iv (AT_EACCESS)
1353 const_iv (AT_REMOVEDIR)
1354 const_iv (AT_SYMLINK_FOLLOW)
1355 const_iv (AT_NO_AUTOMOUNT)
1356 const_iv (AT_EMPTY_PATH)
1357 const_iv (AT_STATX_SYNC_TYPE)
1358 const_iv (AT_STATX_AS_STAT)
1359 const_iv (AT_STATX_FORCE_SYNC)
1360 const_iv (AT_STATX_DONT_SYNC)
1361 const_iv (AT_RECURSIVE)
1362
1363 const_iv (OPEN_TREE_CLONE)
1364
1365 const_iv (FSOPEN_CLOEXEC)
1366
1367 const_iv (FSPICK_CLOEXEC)
1368 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1369 const_iv (FSPICK_NO_AUTOMOUNT)
1370 const_iv (FSPICK_EMPTY_PATH)
1371
1372 const_iv (MOVE_MOUNT_F_SYMLINKS)
1373 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1374 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1375 const_iv (MOVE_MOUNT_T_SYMLINKS)
1376 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1377 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1378
1379 /* waitid */
1380 const_iv (P_PID)
1381 const_iv (P_PIDFD)
1382 const_iv (P_PGID)
1383 const_iv (P_ALL)
1384
1385 const_iv (FSCONFIG_SET_FLAG)
1386 const_iv (FSCONFIG_SET_STRING)
1387 const_iv (FSCONFIG_SET_BINARY)
1388 const_iv (FSCONFIG_SET_PATH)
1389 const_iv (FSCONFIG_SET_PATH_EMPTY)
1390 const_iv (FSCONFIG_SET_FD)
1391 const_iv (FSCONFIG_CMD_CREATE)
1392 const_iv (FSCONFIG_CMD_RECONFIGURE)
1393
1394 const_iv (MOUNT_ATTR_RDONLY)
1395 const_iv (MOUNT_ATTR_NOSUID)
1396 const_iv (MOUNT_ATTR_NODEV)
1397 const_iv (MOUNT_ATTR_NOEXEC)
1398 const_iv (MOUNT_ATTR__ATIME)
1399 const_iv (MOUNT_ATTR_RELATIME)
1400 const_iv (MOUNT_ATTR_NOATIME)
1401 const_iv (MOUNT_ATTR_STRICTATIME)
1402 const_iv (MOUNT_ATTR_NODIRATIME)
1403
1404 /* these are libeio constants, and are independent of gendef0 */
1405 const_eio (SEEK_SET)
1406 const_eio (SEEK_CUR)
1407 const_eio (SEEK_END)
1408
757 const_iv (MCL_FUTURE) 1409 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 1410 const_eio (MCL_CURRENT)
1411 const_eio (MCL_ONFAULT)
759 1412
760 const_eio (MS_ASYNC) 1413 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 1414 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 1415 const_eio (MS_SYNC)
763 1416
764 const_eio (MT_MODIFY) 1417 const_eio (MT_MODIFY)
765 1418
766 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1419 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767 const_eio (SYNC_FILE_RANGE_WRITE) 1420 const_eio (SYNC_FILE_RANGE_WRITE)
768 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1421 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1422
1423 const_eio (FALLOC_FL_KEEP_SIZE)
1424 const_eio (FALLOC_FL_PUNCH_HOLE)
1425 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1426 const_eio (FALLOC_FL_ZERO_RANGE)
1427 const_eio (FALLOC_FL_INSERT_RANGE)
1428 const_eio (FALLOC_FL_UNSHARE_RANGE)
1429
1430 const_eio (RENAME_NOREPLACE)
1431 const_eio (RENAME_EXCHANGE)
1432 const_eio (RENAME_WHITEOUT)
769 1433
770 const_eio (READDIR_DENTS) 1434 const_eio (READDIR_DENTS)
771 const_eio (READDIR_DIRS_FIRST) 1435 const_eio (READDIR_DIRS_FIRST)
772 const_eio (READDIR_STAT_ORDER) 1436 const_eio (READDIR_STAT_ORDER)
773 const_eio (READDIR_FOUND_UNKNOWN) 1437 const_eio (READDIR_FOUND_UNKNOWN)
… …
784 }; 1448 };
785 1449
786 aio_stash = gv_stashpv ("IO::AIO" , 1); 1450 aio_stash = gv_stashpv ("IO::AIO" , 1);
787 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1451 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1452 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1453 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789 1454
790 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1455 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)); 1456 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792 1457
793 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1458 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794 1459
795 create_respipe (); 1460 /* allocate dummy pipe fd for aio_close */
1461 {
1462 int pipefd [2];
796 1463
797 if (eio_init (want_poll, done_poll) < 0) 1464 if (
798 croak ("IO::AIO: unable to initialise eio library"); 1465#ifdef _WIN32
1466 _pipe (pipefd, 1, _O_BINARY) < 0
1467#else
1468 pipe (pipefd) < 0
1469 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1470#endif
1471 || close (pipefd [1]) < 0
1472 )
1473 croak ("IO::AIO: unable to create dummy pipe for aio_close");
799 1474
800 /* atfork child called in fifo order, so before eio's handler */ 1475 close_fd = pipefd [0];
801 X_THREAD_ATFORK (0, 0, atfork_child); 1476 }
802}
803 1477
1478 reinit ();
1479}
1480
804void 1481void
1482reinit ()
1483 PROTOTYPE:
1484
1485void
805max_poll_reqs (int nreqs) 1486max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 1487 PROTOTYPE: $
807 CODE: 1488 CODE:
808 eio_set_max_poll_reqs (nreqs); 1489 eio_set_max_poll_reqs (nreqs);
809 1490
810void 1491void
… …
812 PROTOTYPE: $ 1493 PROTOTYPE: $
813 CODE: 1494 CODE:
814 eio_set_max_poll_time (nseconds); 1495 eio_set_max_poll_time (nseconds);
815 1496
816void 1497void
817min_parallel (int nthreads) 1498min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 1499 PROTOTYPE: $
819 CODE: 1500 CODE:
820 eio_set_min_parallel (nthreads); 1501 eio_set_min_parallel (nthreads);
821 1502
822void 1503void
823max_parallel (int nthreads) 1504max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 1505 PROTOTYPE: $
825 CODE: 1506 CODE:
826 eio_set_max_parallel (nthreads); 1507 eio_set_max_parallel (nthreads);
827 1508
828void 1509void
829max_idle (int nthreads) 1510max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 1511 PROTOTYPE: $
831 CODE: 1512 CODE:
832 eio_set_max_idle (nthreads); 1513 eio_set_max_idle (nthreads);
833 1514
834void 1515void
1516idle_timeout (unsigned int seconds)
1517 PROTOTYPE: $
1518 CODE:
1519 eio_set_idle_timeout (seconds);
1520
1521void
835max_outstanding (int maxreqs) 1522max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 1523 PROTOTYPE: $
837 CODE: 1524 CODE:
838 max_outstanding = maxreqs; 1525 max_outstanding = maxreqs;
839 1526
840void 1527void
841aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1528aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842 PROTOTYPE: $$$;$
843 PPCODE: 1529 PPCODE:
844{ 1530{
845 dREQ; 1531 dREQ;
846 1532
1533 req->type = EIO_WD_OPEN;
1534 req_set_path1 (req, pathname);
1535
1536 REQ_SEND;
1537}
1538
1539void
1540aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1541 PPCODE:
1542{
1543 dREQ;
1544
847 req->type = EIO_OPEN; 1545 req->type = EIO_OPEN;
848 req->sv1 = newSVsv (pathname); 1546 req_set_path1 (req, pathname);
849 req->ptr1 = SvPVbyte_nolen (req->sv1);
850 req->int1 = flags; 1547 req->int1 = flags;
851 req->int2 = mode; 1548 req->int2 = mode;
852 1549
853 REQ_SEND; 1550 REQ_SEND;
854} 1551}
855 1552
856void 1553void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1554aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 1555 ALIAS:
860 aio_fsync = EIO_FSYNC 1556 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 1557 aio_fdatasync = EIO_FDATASYNC
1558 aio_syncfs = EIO_SYNCFS
862 PPCODE: 1559 PPCODE:
863{ 1560{
864 int fd = s_fileno_croak (fh, 0); 1561 int fd = s_fileno_croak (fh, 0);
865 dREQ; 1562 dREQ;
866 1563
867 req->type = ix; 1564 req->type = ix;
868 req->sv1 = newSVsv (fh); 1565 req->sv1 = newSVsv (fh);
869 req->int1 = fd; 1566 req->int1 = fd;
870 1567
871 REQ_SEND (req); 1568 REQ_SEND;
872} 1569}
873 1570
874void 1571void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1572aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1573 PPCODE:
878{ 1574{
879 int fd = s_fileno_croak (fh, 0); 1575 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1576 dREQ;
881 1577
882 req->type = EIO_SYNC_FILE_RANGE; 1578 req->type = EIO_SYNC_FILE_RANGE;
883 req->sv1 = newSVsv (fh); 1579 req->sv1 = newSVsv (fh);
884 req->int1 = fd; 1580 req->int1 = fd;
885 req->offs = offset; 1581 req->offs = offset;
886 req->size = nbytes; 1582 req->size = nbytes;
887 req->int2 = flags; 1583 req->int2 = flags;
888 1584
889 REQ_SEND (req); 1585 REQ_SEND;
890} 1586}
891 1587
892void 1588void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1589aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1590 PPCODE:
896{ 1591{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1592 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1593 dREQ;
900 1594
901 if (close_pipe < 0) 1595 req->type = EIO_FALLOCATE;
1596 req->sv1 = newSVsv (fh);
1597 req->int1 = fd;
1598 req->int2 = mode;
1599 req->offs = offset;
1600 req->size = len;
1601
1602 REQ_SEND;
1603}
1604
1605void
1606aio_close (SV *fh, SV *callback = &PL_sv_undef)
1607 PPCODE:
1608{
1609 int fd = s_fileno_croak (fh, 0);
1610 dREQ;
1611#if 0
1612 /* partially duplicate logic in s_fileno */
1613 SvGETMAGIC (fh);
1614
1615 if (SvROK (fh))
1616 {
1617 fh = SvRV (fh);
1618 SvGETMAGIC (fh);
1619 }
1620
1621 if (SvTYPE (fh) == SVt_PVGV)
902 { 1622 {
903 int pipefd [2]; 1623 /* perl filehandle */
1624 PerlIOUnix_refcnt_inc (fd);
1625 do_close ((GV *)fh, 1);
904 1626
905 if (pipe (pipefd) < 0 1627 req->type = EIO_CLOSE;
906 || close (pipefd [1]) < 0 1628 req->int1 = fd;
907 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1629 /*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 } 1630 }
912 1631 else
1632#endif
1633 {
1634 /* fd number */
913 req->type = EIO_DUP2; 1635 req->type = EIO_DUP2;
914 req->int1 = close_pipe; 1636 req->int1 = close_fd;
1637 req->sv2 = newSVsv (fh);
1638 req->int2 = fd;
1639 }
1640
1641 REQ_SEND;
1642}
1643
1644void
1645aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1646 PPCODE:
1647{
1648 int fd = s_fileno_croak (fh, 0);
1649 dREQ;
1650
1651 req->type = EIO_SEEK;
915 req->sv2 = newSVsv (fh); 1652 req->sv1 = newSVsv (fh);
916 req->int2 = fd; 1653 req->int1 = fd;
1654 req->offs = SvVAL64 (offset);
1655 req->int2 = whence;
917 1656
918 REQ_SEND (req); 1657 REQ_SEND;
919} 1658}
920 1659
921void 1660void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1661aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923 ALIAS: 1662 ALIAS:
924 aio_read = EIO_READ 1663 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1664 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1665 PPCODE:
928{ 1666{
929 STRLEN svlen; 1667 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1668 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1669 char *svptr = SvPVbyte (data, svlen);
… …
944 len = svlen - dataoffset; 1682 len = svlen - dataoffset;
945 } 1683 }
946 else 1684 else
947 { 1685 {
948 /* read: check type and grow scalar as necessary */ 1686 /* read: check type and grow scalar as necessary */
949 SvUPGRADE (data, SVt_PV); 1687 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950 svptr = SvGROW (data, len + dataoffset + 1); 1688 svptr = sv_grow (data, len + dataoffset + 1);
1689 else if (SvCUR (data) < len + dataoffset)
1690 croak ("length + dataoffset outside of scalar, and cannot grow");
951 } 1691 }
952 1692
953 { 1693 {
954 dREQ; 1694 dREQ;
955 1695
… …
971 REQ_SEND; 1711 REQ_SEND;
972 } 1712 }
973} 1713}
974 1714
975void 1715void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1716aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
977 PROTOTYPE: $$;$ 1717 ALIAS:
1718 aio_ioctl = EIO_IOCTL
1719 aio_fcntl = EIO_FCNTL
978 PPCODE: 1720 PPCODE:
979{ 1721{
980 SV *data; 1722 int fd = s_fileno_croak (fh, 0);
1723 char *svptr;
1724
1725 if (SvPOK (arg) || !SvNIOK (arg))
1726 {
1727 STRLEN svlen;
1728 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1729#ifdef IOCPARM_LEN
1730 STRLEN need = IOCPARM_LEN (request);
1731#else
1732 STRLEN need = 256;
1733#endif
1734
1735 if (svlen < need)
1736 svptr = SvGROW (arg, need);
1737 }
1738 else
1739 svptr = (char *)SvIV (arg);
1740
1741 {
1742 dREQ;
1743
1744 req->type = ix;
1745 req->sv1 = newSVsv (fh);
1746 req->int1 = fd;
1747 req->int2 = (long)request;
1748 req->sv2 = SvREFCNT_inc (arg);
1749 req->ptr2 = svptr;
1750
1751 REQ_SEND;
1752 }
1753}
1754
1755void
1756aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1757 ALIAS:
1758 aio_readlink = EIO_READLINK
1759 aio_realpath = EIO_REALPATH
1760 PPCODE:
1761{
981 dREQ; 1762 dREQ;
982 1763
983 req->type = EIO_READLINK; 1764 req->type = ix;
984 req->sv1 = newSVsv (path); 1765 req_set_path1 (req, pathname);
985 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1766
987 REQ_SEND; 1767 REQ_SEND;
988} 1768}
989 1769
990void 1770void
991aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1771aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1772 PPCODE:
994{ 1773{
995 int ifd = s_fileno_croak (in_fh , 0); 1774 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1775 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1776 dREQ;
998 1777
999 req->type = EIO_SENDFILE; 1778 req->type = EIO_SENDFILE;
1000 req->sv1 = newSVsv (out_fh); 1779 req->sv1 = newSVsv (out_fh);
1001 req->int1 = ofd; 1780 req->int1 = ofd;
… …
1006 1785
1007 REQ_SEND; 1786 REQ_SEND;
1008} 1787}
1009 1788
1010void 1789void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1790aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1791 PPCODE:
1014{ 1792{
1015 int fd = s_fileno_croak (fh, 0); 1793 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1794 dREQ;
1017 1795
1018 req->type = EIO_READAHEAD; 1796 req->type = EIO_READAHEAD;
1019 req->sv1 = newSVsv (fh); 1797 req->sv1 = newSVsv (fh);
1020 req->int1 = fd; 1798 req->int1 = fd;
… …
1023 1801
1024 REQ_SEND; 1802 REQ_SEND;
1025} 1803}
1026 1804
1027void 1805void
1028aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1806aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029 ALIAS: 1807 ALIAS:
1030 aio_stat = EIO_STAT 1808 aio_stat = EIO_STAT
1031 aio_lstat = EIO_LSTAT 1809 aio_lstat = EIO_LSTAT
1032 aio_statvfs = EIO_STATVFS 1810 aio_statvfs = EIO_STATVFS
1033 PPCODE: 1811 PPCODE:
1034{ 1812{
1035 dREQ; 1813 dREQ;
1036 1814
1037 req->sv1 = newSVsv (fh_or_path); 1815 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 1816
1050 REQ_SEND; 1817 REQ_SEND;
1051} 1818}
1052 1819
1053void 1820void
1821st_xtime ()
1822 ALIAS:
1823 st_atime = 0x01
1824 st_mtime = 0x02
1825 st_ctime = 0x04
1826 st_btime = 0x08
1827 st_xtime = 0x0f
1828 PPCODE:
1829 EXTEND (SP, 4);
1830 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1831 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1832 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1833 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1834
1835void
1836st_xtimensec ()
1837 ALIAS:
1838 st_atimensec = 0x01
1839 st_mtimensec = 0x02
1840 st_ctimensec = 0x04
1841 st_btimensec = 0x08
1842 st_xtimensec = 0x0f
1843 st_btimesec = 0x10
1844 st_gen = 0x20
1845 PPCODE:
1846 EXTEND (SP, 4);
1847 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1848 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1849 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1850 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1851 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1852 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1853
1854UV
1855major (UV dev)
1856 ALIAS:
1857 minor = 1
1858 CODE:
1859 RETVAL = ix ? minor (dev) : major (dev);
1860 OUTPUT:
1861 RETVAL
1862
1863UV
1864makedev (UV maj, UV min)
1865 CODE:
1866 RETVAL = makedev (maj, min);
1867 OUTPUT:
1868 RETVAL
1869
1870void
1054aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1871aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055 PPCODE: 1872 PPCODE:
1056{ 1873{
1057 dREQ; 1874 dREQ;
1058 1875
1059 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1876 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1877 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061 req->sv1 = newSVsv (fh_or_path); 1878 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 1879
1074 REQ_SEND; 1880 REQ_SEND;
1075} 1881}
1076 1882
1077void 1883void
1078aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1884aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079 PPCODE: 1885 PPCODE:
1080{ 1886{
1081 dREQ; 1887 dREQ;
1082 1888
1083 req->sv1 = newSVsv (fh_or_path);
1084 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1889 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085 1890 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 1891
1097 REQ_SEND; 1892 REQ_SEND;
1098} 1893}
1099 1894
1100void 1895void
1101aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1896aio_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: 1897 PPCODE:
1106{ 1898{
1107 dREQ; 1899 dREQ;
1108 1900
1109 req->int2 = mode; 1901 req->int2 = mode;
1110 req->sv1 = newSVsv (fh_or_path); 1902 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 1903
1123 REQ_SEND; 1904 REQ_SEND;
1124} 1905}
1125 1906
1126void 1907void
1127aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1908aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128 PPCODE: 1909 PPCODE:
1129{ 1910{
1130 dREQ; 1911 dREQ;
1131 1912
1132 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1913 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1914 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134 req->sv1 = newSVsv (fh_or_path); 1915 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 1916
1147 REQ_SEND; 1917 REQ_SEND;
1148} 1918}
1149 1919
1150void 1920void
1151aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1921aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152 PPCODE: 1922 PPCODE:
1153{ 1923{
1154 dREQ; 1924 dREQ;
1155 1925
1156 req->type = EIO_READDIR; 1926 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; 1927 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160 1928
1161 if (flags & EIO_READDIR_DENTS) 1929 if (flags & EIO_READDIR_DENTS)
1162 req->int1 |= EIO_READDIR_CUSTOM2; 1930 req->int1 |= EIO_READDIR_CUSTOM2;
1163 1931
1932 req_set_path1 (req, pathname);
1933
1164 REQ_SEND; 1934 REQ_SEND;
1165} 1935}
1166 1936
1167void 1937void
1938aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1939 PPCODE:
1940{
1941 dREQ;
1942
1943 req->type = EIO_MKDIR;
1944 req->int2 = mode;
1945 req_set_path1 (req, pathname);
1946
1947 REQ_SEND;
1948}
1949
1950void
1168aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1951aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169 ALIAS: 1952 ALIAS:
1170 aio_unlink = EIO_UNLINK 1953 aio_unlink = EIO_UNLINK
1171 aio_rmdir = EIO_RMDIR 1954 aio_rmdir = EIO_RMDIR
1172 aio_readdir = EIO_READDIR 1955 aio_readdir = EIO_READDIR
1173 PPCODE: 1956 PPCODE:
1174{ 1957{
1175 dREQ; 1958 dREQ;
1176 1959
1177 req->type = ix; 1960 req->type = ix;
1178 req->sv1 = newSVsv (pathname); 1961 req_set_path1 (req, pathname);
1179 req->ptr1 = SvPVbyte_nolen (req->sv1);
1180 1962
1181 REQ_SEND; 1963 REQ_SEND;
1182} 1964}
1183 1965
1184void 1966void
1185aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1967aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186 ALIAS: 1968 ALIAS:
1187 aio_link = EIO_LINK 1969 aio_link = EIO_LINK
1188 aio_symlink = EIO_SYMLINK 1970 aio_symlink = EIO_SYMLINK
1189 aio_rename = EIO_RENAME 1971 aio_rename = EIO_RENAME
1190 PPCODE: 1972 PPCODE:
1191{ 1973{
1974 eio_wd wd2 = 0;
1192 dREQ; 1975 dREQ;
1193 1976
1194 req->type = ix; 1977 req->type = ix;
1195 req->sv1 = newSVsv (oldpath); 1978 req_set_path1 (req, oldpath);
1196 req->ptr1 = SvPVbyte_nolen (req->sv1); 1979 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197 req->sv2 = newSVsv (newpath); 1980 req->int3 = (long)wd2;
1198 req->ptr2 = SvPVbyte_nolen (req->sv2);
1199 1981
1200 REQ_SEND; 1982 REQ_SEND;
1201} 1983}
1202 1984
1203void 1985void
1986aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1987 PPCODE:
1988{
1989 eio_wd wd2 = 0;
1990 dREQ;
1991
1992 req->type = EIO_RENAME;
1993 req_set_path1 (req, oldpath);
1994 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1995 req->int2 = flags;
1996 req->int3 = (long)wd2;
1997
1998 REQ_SEND;
1999}
2000
2001void
1204aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2002aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205 PPCODE: 2003 PPCODE:
1206{ 2004{
1207 dREQ; 2005 dREQ;
1208 2006
1209 req->type = EIO_MKNOD; 2007 req->type = EIO_MKNOD;
1210 req->sv1 = newSVsv (pathname);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1);
1212 req->int2 = (mode_t)mode; 2008 req->int2 = (mode_t)mode;
1213 req->offs = dev; 2009 req->offs = dev;
2010 req_set_path1 (req, pathname);
1214 2011
1215 REQ_SEND; 2012 REQ_SEND;
1216} 2013}
1217 2014
1218void 2015void
1219aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2016aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1220 ALIAS: 2017 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 2018 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 2019 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 2020 PPCODE:
1225{ 2021{
1226 STRLEN svlen; 2022 STRLEN svlen;
2023 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 2024 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen); 2025
2026 if (flags < 0)
2027 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1229 2028
1230 if (offset < 0) 2029 if (offset < 0)
1231 offset += svlen; 2030 offset += svlen;
1232 2031
1233 if (offset < 0 || offset > svlen) 2032 if (offset < 0 || offset > svlen)
… …
1238 2037
1239 { 2038 {
1240 dREQ; 2039 dREQ;
1241 2040
1242 req->type = ix; 2041 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 2042 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 2043 req->ptr2 = (char *)svptr + offset;
2044 req->size = len;
1246 req->int1 = flags; 2045 req->int1 = flags;
1247 2046
1248 REQ_SEND; 2047 REQ_SEND;
1249 } 2048 }
1250} 2049}
1251 2050
1252void 2051void
2052aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2053 PPCODE:
2054{
2055 STRLEN svlen;
2056 char *svptr = SvPVbyte (data, svlen);
2057 UV len = SvUV (length);
2058
2059 if (offset < 0)
2060 offset += svlen;
2061
2062 if (offset < 0 || offset > svlen)
2063 croak ("offset outside of scalar");
2064
2065 if (!SvOK (length) || len + offset > svlen)
2066 len = svlen - offset;
2067
2068 {
2069 dREQ;
2070
2071 req->type = EIO_MLOCK;
2072 req->sv2 = SvREFCNT_inc (data);
2073 req->ptr2 = (char *)svptr + offset;
2074 req->size = len;
2075
2076 REQ_SEND;
2077 }
2078}
2079
2080void
2081aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2082 PPCODE:
2083{
2084 dREQ;
2085
2086 req->type = EIO_MLOCKALL;
2087 req->int1 = flags;
2088
2089 REQ_SEND;
2090}
2091
2092void
2093aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2094 PPCODE:
2095{
2096 int fd = s_fileno_croak (fh, 0);
2097 dREQ;
2098
2099 req->type = EIO_CUSTOM;
2100 req->sv1 = newSVsv (fh);
2101 req->int1 = fd;
2102
2103 req->feed = fiemap;
2104#if HAVE_FIEMAP
2105 /* keep our fingers crossed that the next two types are 64 bit */
2106 req->offs = start;
2107 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2108 req->int2 = flags;
2109 req->int3 = SvOK (count) ? SvIV (count) : -1;
2110#endif
2111
2112 REQ_SEND;
2113}
2114
2115void
2116aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2117 PPCODE:
2118{
2119 char *svptr = 0;
2120
2121 sv_clear_foreign (data);
2122
2123 if (length) /* known length, directly read into scalar */
2124 {
2125 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2126 svptr = sv_grow (data, length + 1);
2127 else if (SvCUR (data) < length)
2128 croak ("length outside of scalar, and cannot grow");
2129 else
2130 svptr = SvPVbyte_nolen (data);
2131 }
2132
2133 {
2134 dREQ;
2135
2136 req->type = EIO_SLURP;
2137 req_set_path1 (req, pathname);
2138 req->offs = offset;
2139 req->size = length;
2140 req->sv2 = SvREFCNT_inc (data);
2141 req->ptr2 = svptr;
2142
2143 if (!SvREADONLY (data))
2144 {
2145 SvREADONLY_on (data);
2146 req->flags |= FLAG_SV2_RO_OFF;
2147 }
2148
2149 REQ_SEND;
2150 }
2151}
2152
2153void
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 2154aio_busy (double delay, SV *callback = &PL_sv_undef)
1254 PPCODE: 2155 PPCODE:
1255{ 2156{
1256 dREQ; 2157 dREQ;
1257 2158
1258 req->type = EIO_BUSY; 2159 req->type = EIO_BUSY;
… …
1260 2161
1261 REQ_SEND; 2162 REQ_SEND;
1262} 2163}
1263 2164
1264void 2165void
1265aio_group (SV *callback=&PL_sv_undef) 2166aio_group (SV *callback = &PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 2167 PPCODE:
1268{ 2168{
1269 dREQ; 2169 dREQ;
1270 2170
1271 req->type = EIO_GROUP; 2171 req->type = EIO_GROUP;
1272 2172
2173 PUTBACK;
1273 req_submit (req); 2174 req_submit (req);
2175 SPAGAIN;
2176
1274 XPUSHs (req_sv (req, aio_grp_stash)); 2177 XPUSHs (req_sv (req, aio_grp_stash));
1275} 2178}
1276 2179
1277void 2180void
1278aio_nop (SV *callback=&PL_sv_undef) 2181aio_nop (SV *callback = &PL_sv_undef)
1279 ALIAS: 2182 ALIAS:
1280 aio_nop = EIO_NOP 2183 aio_nop = EIO_NOP
1281 aio_sync = EIO_SYNC 2184 aio_sync = EIO_SYNC
1282 PPCODE: 2185 PPCODE:
1283{ 2186{
… …
1287 2190
1288 REQ_SEND; 2191 REQ_SEND;
1289} 2192}
1290 2193
1291int 2194int
1292aioreq_pri (int pri = 0) 2195aioreq_pri (int pri = NO_INIT)
1293 PROTOTYPE: ;$
1294 CODE: 2196 CODE:
1295 RETVAL = next_pri; 2197 RETVAL = next_pri;
1296 if (items > 0) 2198 if (items > 0)
1297 { 2199 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2200 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2212 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 2213 next_pri = nice;
1312 2214
1313void 2215void
1314flush () 2216flush ()
1315 PROTOTYPE:
1316 CODE: 2217 CODE:
1317 while (eio_nreqs ()) 2218 while (eio_nreqs ())
1318 { 2219 {
1319 poll_wait (); 2220 poll_wait ();
1320 poll_cb (); 2221 poll_cb ();
1321 } 2222 }
1322 2223
1323int 2224int
1324poll() 2225poll ()
1325 PROTOTYPE:
1326 CODE: 2226 CODE:
1327 poll_wait (); 2227 poll_wait ();
1328 RETVAL = poll_cb (); 2228 RETVAL = poll_cb ();
1329 OUTPUT: 2229 OUTPUT:
1330 RETVAL 2230 RETVAL
1331 2231
1332int 2232int
1333poll_fileno() 2233poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 2234 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 2235 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 2236 OUTPUT:
1338 RETVAL 2237 RETVAL
1339 2238
1340int 2239int
1341poll_cb(...) 2240poll_cb (...)
1342 PROTOTYPE: 2241 PROTOTYPE:
1343 CODE: 2242 CODE:
1344 RETVAL = poll_cb (); 2243 RETVAL = poll_cb ();
1345 OUTPUT: 2244 OUTPUT:
1346 RETVAL 2245 RETVAL
1347 2246
1348void 2247void
1349poll_wait() 2248poll_wait ()
1350 PROTOTYPE:
1351 CODE: 2249 CODE:
1352 poll_wait (); 2250 poll_wait ();
1353 2251
1354int 2252int
1355nreqs() 2253nreqs ()
1356 PROTOTYPE:
1357 CODE: 2254 CODE:
1358 RETVAL = eio_nreqs (); 2255 RETVAL = eio_nreqs ();
1359 OUTPUT: 2256 OUTPUT:
1360 RETVAL 2257 RETVAL
1361 2258
1362int 2259int
1363nready() 2260nready ()
1364 PROTOTYPE:
1365 CODE: 2261 CODE:
1366 RETVAL = eio_nready (); 2262 RETVAL = eio_nready ();
1367 OUTPUT: 2263 OUTPUT:
1368 RETVAL 2264 RETVAL
1369 2265
1370int 2266int
1371npending() 2267npending ()
1372 PROTOTYPE:
1373 CODE: 2268 CODE:
1374 RETVAL = eio_npending (); 2269 RETVAL = eio_npending ();
1375 OUTPUT: 2270 OUTPUT:
1376 RETVAL 2271 RETVAL
1377 2272
1378int 2273int
1379nthreads() 2274nthreads ()
1380 PROTOTYPE:
1381 CODE: 2275 CODE:
1382 RETVAL = eio_nthreads (); 2276 RETVAL = eio_nthreads ();
1383 OUTPUT: 2277 OUTPUT:
1384 RETVAL 2278 RETVAL
1385 2279
1386int 2280int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2281fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 2282 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 2283 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 2284 OUTPUT:
1396 RETVAL 2285 RETVAL
1397 2286
1398ssize_t 2287IV
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2288sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 2289 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2290 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 2291 OUTPUT:
1404 RETVAL 2292 RETVAL
1405 2293
1406void 2294void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2295mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 2296 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 2297 sv_clear_foreign (scalar);
1411{ 2298{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2299 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2300 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1414 if (addr == (void *)-1) 2301 if (addr == (void *)-1)
1415 XSRETURN_NO; 2302 XSRETURN_NO;
1416 2303
1417 sv_force_normal (scalar); 2304 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1418
1419 /* we store the length in mg_obj, as namlen is I32 :/ */
1420 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1421 ->mg_obj = (SV *)length;
1422
1423 SvUPGRADE (scalar, SVt_PV); /* nop... */
1424 2305
1425 if (!(prot & PROT_WRITE)) 2306 if (!(prot & PROT_WRITE))
1426 SvREADONLY_on (scalar); 2307 SvREADONLY_on (scalar);
1427 2308
1428 if (SvLEN (scalar))
1429 Safefree (SvPVX (scalar));
1430
1431 SvPVX (scalar) = (char *)addr;
1432 SvCUR_set (scalar, length);
1433 SvLEN_set (scalar, 0);
1434 SvPOK_only (scalar);
1435
1436 XSRETURN_YES; 2309 XSRETURN_YES;
1437} 2310}
1438 2311
1439void 2312void
1440munmap (SV *scalar) 2313munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 2314 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 2315 sv_clear_foreign (scalar);
1444 2316
1445int 2317SV *
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 2318mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1447 PROTOTYPE: $$$$ 2319 CODE:
1448 CODE:
1449{ 2320{
1450 char *addr = SvPV_nolen (scalar) + offset; 2321 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2322 void *new;
1451 2323
1452 if (!SvOK (ST (2))) 2324 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1453 length = SvCUR (scalar) - offset; 2325 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1454 2326
1455 if (addr >= SvEND (scalar) || length <= 0) 2327 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1456 XSRETURN_EMPTY;
1457 2328
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 2329 RETVAL = &PL_sv_no;
1459 RETVAL = posix_madvise (addr, length, advice); 2330
1460 #else 2331 if (new != (void *)-1)
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 2332 {
1462 #endif 2333 RETVAL = new == (void *)mg->mg_ptr
2334 ? newSVpvn ("0 but true", 10)
2335 : &PL_sv_yes;
2336
2337 mg->mg_ptr = (char *)new;
2338 mg->mg_obj = (SV *)new_length;
2339
2340 SvPVX (scalar) = mg->mg_ptr;
2341 SvCUR_set (scalar, new_length);
2342 }
1463} 2343}
1464 OUTPUT: 2344 OUTPUT:
1465 RETVAL 2345 RETVAL
1466 2346
1467int 2347int
1468mlockall (int flags) 2348madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2349 ALIAS:
2350 mprotect = 1
1470 CODE: 2351 CODE:
2352{
2353 STRLEN svlen;
2354 void *addr = SvPVbyte (scalar, svlen);
2355 STRLEN len = SvUV (length);
2356
2357 if (offset < 0)
2358 offset += svlen;
2359
2360 if (offset < 0 || offset > svlen)
2361 croak ("offset outside of scalar");
2362
2363 if (!SvOK (length) || len + offset > svlen)
2364 len = svlen - offset;
2365
2366 addr = (void *)(((intptr_t)addr) + offset);
2367 eio_page_align (&addr, &len);
2368
2369 switch (ix)
2370 {
2371 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2372 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2373 }
2374}
2375 OUTPUT:
2376 RETVAL
2377
2378int
2379munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2380 CODE:
2381{
2382 STRLEN svlen;
2383 void *addr = SvPVbyte (scalar, svlen);
2384 size_t len = SvUV (length);
2385
2386 if (offset < 0)
2387 offset += svlen;
2388
2389 if (offset < 0 || offset > svlen)
2390 croak ("offset outside of scalar");
2391
2392 if (!SvOK (length) || len + offset > svlen)
2393 len = svlen - offset;
2394
2395 addr = (void *)(((intptr_t)addr) + offset);
2396 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2397#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2398 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 2399#else
1478 RETVAL = -1; 2400 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2401#endif
2402}
1481 OUTPUT: 2403 OUTPUT:
1482 RETVAL 2404 RETVAL
1483 2405
1484int 2406int
2407mlockall (int flags)
2408 PROTOTYPE: $;
2409 CODE:
2410 RETVAL = eio_mlockall_sync (flags);
2411 OUTPUT:
2412 RETVAL
2413
2414int
1485munlockall () 2415munlockall ()
1486 PROTOTYPE:
1487 CODE: 2416 CODE:
1488#if _POSIX_MEMLOCK 2417#if _POSIX_MEMLOCK
1489 munlockall (); 2418 munlockall ();
1490#else 2419#else
1491 RETVAL = -1; 2420 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2421#endif
1494 OUTPUT: 2422 OUTPUT:
1495 RETVAL 2423 RETVAL
2424
2425int
2426statx (SV8 *pathname, int flags, UV mask)
2427 CODE:
2428{
2429 /* undocumented, and might go away, and anyway, should use eio_statx */
2430 SV *wdsv = 0;
2431 SV *pathsv = 0;
2432 eio_wd wd = EIO_CWD;
2433 void *ptr;
2434 int res;
2435
2436 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2437 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2438
2439 SvREFCNT_dec (pathsv);
2440 SvREFCNT_dec (wdsv);
2441}
2442 OUTPUT:
2443 RETVAL
2444
2445U32
2446stx_mode ()
2447 PROTOTYPE:
2448 CODE:
2449#if HAVE_STATX
2450 RETVAL = stx.stx_mode;
2451#else
2452 XSRETURN_UNDEF;
2453#endif
2454 OUTPUT:
2455 RETVAL
2456
2457#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2458#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2459#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2460#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2461#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2462#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2463#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2464#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2465#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2466#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2467#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2468#define STATX_OFFSET_size statx_offsetof (stx_size)
2469#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2470#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2471#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2472#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2473#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2474#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2475
2476U32
2477stx_mask ()
2478 PROTOTYPE:
2479 ALIAS:
2480 stx_mask = STATX_OFFSET_mask
2481 stx_blksize = STATX_OFFSET_blksize
2482 stx_nlink = STATX_OFFSET_nlink
2483 stx_uid = STATX_OFFSET_uid
2484 stx_gid = STATX_OFFSET_gid
2485 stx_rdev_major = STATX_OFFSET_rdev_major
2486 stx_rdev_minor = STATX_OFFSET_rdev_minor
2487 stx_dev_major = STATX_OFFSET_dev_major
2488 stx_dev_minor = STATX_OFFSET_dev_minor
2489 CODE:
2490#if HAVE_STATX
2491 RETVAL = *(__u32 *)((char *)&stx + ix);
2492#else
2493 XSRETURN_UNDEF;
2494#endif
2495 OUTPUT:
2496 RETVAL
2497
2498VAL64
2499stx_attributes ()
2500 PROTOTYPE:
2501 ALIAS:
2502 stx_attributes = STATX_OFFSET_attributes
2503 stx_ino = STATX_OFFSET_ino
2504 stx_size = STATX_OFFSET_size
2505 stx_blocks = STATX_OFFSET_blocks
2506 stx_attributes_mask = STATX_OFFSET_attributes_mask
2507 CODE:
2508#if HAVE_STATX
2509 RETVAL = *(__u64 *)((char *)&stx + ix);
2510#else
2511 XSRETURN_UNDEF;
2512#endif
2513 OUTPUT:
2514 RETVAL
2515
2516NV
2517stx_atime ()
2518 PROTOTYPE:
2519 ALIAS:
2520 stx_atime = STATX_OFFSET_atime
2521 stx_btime = STATX_OFFSET_btime
2522 stx_ctime = STATX_OFFSET_ctime
2523 stx_mtime = STATX_OFFSET_mtime
2524 CODE:
2525#if HAVE_STATX
2526 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2527 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2528#else
2529 XSRETURN_UNDEF;
2530#endif
2531 OUTPUT:
2532 RETVAL
2533
2534VAL64
2535stx_atimesec ()
2536 PROTOTYPE:
2537 ALIAS:
2538 stx_atimesec = STATX_OFFSET_atime
2539 stx_btimesec = STATX_OFFSET_btime
2540 stx_ctimesec = STATX_OFFSET_ctime
2541 stx_mtimesec = STATX_OFFSET_mtime
2542 CODE:
2543#if HAVE_STATX
2544 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2545 RETVAL = ts->tv_sec;
2546#else
2547 XSRETURN_UNDEF;
2548#endif
2549 OUTPUT:
2550 RETVAL
2551
2552U32
2553stx_atimensec ()
2554 PROTOTYPE:
2555 ALIAS:
2556 stx_atimensec = STATX_OFFSET_atime
2557 stx_btimensec = STATX_OFFSET_btime
2558 stx_ctimensec = STATX_OFFSET_ctime
2559 stx_mtimensec = STATX_OFFSET_mtime
2560 CODE:
2561#if HAVE_STATX
2562 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2563 RETVAL = ts->tv_nsec;
2564#else
2565 RETVAL = 0;
2566#endif
2567 OUTPUT:
2568 RETVAL
2569
2570void
2571accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2572 PPCODE:
2573{
2574 SV *retval;
2575#if HAVE_ACCEPT4
2576 socklen_t salen_ = salen ? salen + 1 : 0;
2577
2578 if (salen)
2579 {
2580 sv_upgrade (sockaddr, SVt_PV);
2581 sv_grow (sockaddr, salen_);
2582 }
2583
2584 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2585
2586 retval = newmortalFH (res, O_RDWR);
2587
2588 if (res >= 0 && salen > 0)
2589 {
2590 if (salen_ > salen + 1)
2591 salen_ = salen + 1;
2592
2593 SvPOK_only (sockaddr);
2594 SvCUR_set (sockaddr, salen_);
2595 }
2596#else
2597 errno = ENOSYS;
2598 retval = &PL_sv_undef;
2599#endif
2600 XPUSHs (retval);
2601}
2602
2603ssize_t
2604splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2605 CODE:
2606{
2607#if HAVE_LINUX_SPLICE
2608 loff_t off_in_, off_out_;
2609 RETVAL = splice (
2610 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2611 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2612 length, flags
2613 );
2614#else
2615 RETVAL = EIO_ENOSYS ();
2616#endif
2617}
2618 OUTPUT:
2619 RETVAL
2620
2621ssize_t
2622tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2623 CODE:
2624#if HAVE_LINUX_SPLICE
2625 RETVAL = tee (rfh, wfh, length, flags);
2626#else
2627 RETVAL = EIO_ENOSYS ();
2628#endif
2629 OUTPUT:
2630 RETVAL
2631
2632int
2633pipesize (aio_rfd rfh, int new_size = -1)
2634 PROTOTYPE: $;$
2635 CODE:
2636#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2637 if (new_size >= 0)
2638 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2639 else
2640 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2641#else
2642 errno = ENOSYS;
2643 RETVAL = -1;
2644#endif
2645 OUTPUT:
2646 RETVAL
2647
2648void
2649pipe2 (int flags = 0)
2650 PROTOTYPE: ;$
2651 PPCODE:
2652{
2653 int fd[2];
2654 int res;
2655
2656 if (flags)
2657#if HAVE_PIPE2
2658 res = pipe2 (fd, flags);
2659#else
2660 res = (errno = ENOSYS, -1);
2661#endif
2662 else
2663 res = pipe (fd);
2664
2665 if (!res)
2666 {
2667 EXTEND (SP, 2);
2668 PUSHs (newmortalFH (fd[0], O_RDONLY));
2669 PUSHs (newmortalFH (fd[1], O_WRONLY));
2670 }
2671}
2672
2673void
2674pidfd_open (int pid, unsigned int flags = 0)
2675 PPCODE:
2676{
2677 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2678 int fd = syscall (SYS_pidfd_open, pid, flags);
2679 XPUSHs (newmortalFH (fd, O_RDWR));
2680}
2681
2682int
2683pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2684 PPCODE:
2685{
2686 #if HAVE_SIGINFO_T
2687 int res;
2688 siginfo_t si = { 0 };
2689
2690 if (SvOK (siginfo))
2691 {
2692 HV *hv;
2693 SV **svp;
2694
2695 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2696 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2697
2698 hv = (HV *)SvRV (siginfo);
2699
2700 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2701 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2702 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2703 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2704 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2705 }
2706
2707 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2708 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2709 #else
2710 res = (errno = ENOSYS, -1);
2711 #endif
2712
2713 XPUSHs (sv_2mortal (newSViv (res)));
2714}
2715
2716void
2717pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2718 PPCODE:
2719{
2720 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2721 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2722 XPUSHs (newmortalFH (fd, O_RDWR));
2723}
2724
2725void
2726eventfd (unsigned int initval = 0, int flags = 0)
2727 PPCODE:
2728{
2729 int fd;
2730#if HAVE_EVENTFD
2731 fd = eventfd (initval, flags);
2732#else
2733 fd = (errno = ENOSYS, -1);
2734#endif
2735
2736 XPUSHs (newmortalFH (fd, O_RDWR));
2737}
2738
2739void
2740timerfd_create (int clockid, int flags = 0)
2741 PPCODE:
2742{
2743 int fd;
2744#if HAVE_TIMERFD
2745 fd = timerfd_create (clockid, flags);
2746#else
2747 fd = (errno = ENOSYS, -1);
2748#endif
2749
2750 XPUSHs (newmortalFH (fd, O_RDWR));
2751}
2752
2753void
2754timerfd_settime (SV *fh, int flags, NV interval, NV value)
2755 PPCODE:
2756{
2757 int fd = s_fileno_croak (fh, 0);
2758#if HAVE_TIMERFD
2759 int res;
2760 struct itimerspec its, ots;
2761
2762 ts_set (&its.it_interval, interval);
2763 ts_set (&its.it_value , value);
2764 res = timerfd_settime (fd, flags, &its, &ots);
2765
2766 if (!res)
2767 {
2768 EXTEND (SP, 2);
2769 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2770 PUSHs (newSVnv (ts_get (&ots.it_value)));
2771 }
2772#else
2773 errno = ENOSYS;
2774#endif
2775}
2776
2777void
2778timerfd_gettime (SV *fh)
2779 PPCODE:
2780{
2781 int fd = s_fileno_croak (fh, 0);
2782#if HAVE_TIMERFD
2783 int res;
2784 struct itimerspec ots;
2785 res = timerfd_gettime (fd, &ots);
2786
2787 if (!res)
2788 {
2789 EXTEND (SP, 2);
2790 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2791 PUSHs (newSVnv (ts_get (&ots.it_value)));
2792 }
2793#else
2794 errno = ENOSYS;
2795#endif
2796}
2797
2798void
2799memfd_create (SV8 *pathname, int flags = 0)
2800 PPCODE:
2801{
2802 int fd;
2803#if HAVE_MEMFD_CREATE
2804 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2805#else
2806 fd = (errno = ENOSYS, -1);
2807#endif
2808
2809 XPUSHs (newmortalFH (fd, O_RDWR));
2810}
2811
2812UV
2813get_fdlimit ()
2814 CODE:
2815#if HAVE_RLIMITS
2816 struct rlimit rl;
2817 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2818 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2819#endif
2820 XSRETURN_UNDEF;
2821 OUTPUT:
2822 RETVAL
2823
2824void
2825min_fdlimit (UV limit = 0x7fffffffU)
2826 CODE:
2827{
2828#if HAVE_RLIMITS
2829 struct rlimit rl;
2830 rlim_t orig_rlim_max;
2831 UV bit;
2832
2833 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2834 goto fail;
2835
2836 if (rl.rlim_cur == RLIM_INFINITY)
2837 XSRETURN_YES;
2838
2839 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2840
2841 if (rl.rlim_cur < limit)
2842 {
2843 rl.rlim_cur = limit;
2844
2845 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2846 rl.rlim_max = rl.rlim_cur;
2847 }
2848
2849 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2850 XSRETURN_YES;
2851
2852 if (errno == EPERM)
2853 {
2854 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2855 /* our limit overflows a system-wide limit */
2856 /* try an adaptive algorithm, but do not lower the hardlimit */
2857 rl.rlim_max = 0;
2858 for (bit = 0x40000000U; bit; bit >>= 1)
2859 {
2860 rl.rlim_max |= bit;
2861 rl.rlim_cur = rl.rlim_max;
2862
2863 /* never decrease the hard limit */
2864 if (rl.rlim_max < orig_rlim_max)
2865 break;
2866
2867 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2868 rl.rlim_max &= ~bit; /* too high, remove bit again */
2869 }
2870
2871 /* now, raise the soft limit to the max permitted */
2872 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2873 {
2874 rl.rlim_cur = rl.rlim_max;
2875 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2876 errno = EPERM;
2877 }
2878 }
2879#endif
2880 fail:
2881 XSRETURN_UNDEF;
2882}
1496 2883
1497void _on_next_submit (SV *cb) 2884void _on_next_submit (SV *cb)
1498 CODE: 2885 CODE:
1499 SvREFCNT_dec (on_next_submit); 2886 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2887 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2888
1502PROTOTYPES: DISABLE 2889PROTOTYPES: DISABLE
1503 2890
2891MODULE = IO::AIO PACKAGE = IO::AIO::WD
2892
2893BOOT:
2894{
2895 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2896 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2897}
2898
2899void
2900DESTROY (SV *self)
2901 CODE:
2902{
2903 aio_wd wd = SvAIO_WD (self);
2904#if HAVE_AT
2905 {
2906 SV *callback = &PL_sv_undef;
2907 dREQ; /* clobbers next_pri :/ */
2908 next_pri = req->pri; /* restore next_pri */
2909 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2910 req->type = EIO_WD_CLOSE;
2911 req->wd = wd;
2912 REQ_SEND;
2913 }
2914#else
2915 eio_wd_close_sync (wd);
2916#endif
2917}
2918
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2919MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2920
1506void 2921void
1507cancel (aio_req_ornot req) 2922cancel (aio_req_ornot req)
1508 CODE: 2923 CODE:
1509 eio_cancel (req); 2924 eio_cancel (req);
1510 2925
1511void 2926void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2927cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2928 PPCODE:
1514{ 2929{
1515 if (GIMME_V != G_VOID) 2930 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2931 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2932
1518 if (items > 1) 2933 if (items > 1)
1519 { 2934 {
1520 SV *cb_cv =get_cb (callback); 2935 SV *cb_cv = get_cb (callback);
1521 2936
1522 SvREFCNT_dec (req->callback); 2937 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2938 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2939 }
1525} 2940}
… …
1582limit (aio_req grp, int limit) 2997limit (aio_req grp, int limit)
1583 CODE: 2998 CODE:
1584 eio_grp_limit (grp, limit); 2999 eio_grp_limit (grp, limit);
1585 3000
1586void 3001void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 3002feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 3003 CODE:
1589{ 3004{
1590 SvREFCNT_dec (grp->sv2); 3005 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 3006 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 3007 grp->feed = aio_grp_feed;

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