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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.188 by root, Sun Jul 17 04:20:04 2011 UTC vs.
Revision 1.289 by root, Mon Jan 4 22:19:06 2021 UTC

… …
3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
21# 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
22#endif 36#endif
23 37
24/* perl namespace pollution */ 38/* perl namespace pollution */
25#undef VERSION 39#undef VERSION
26 40
… …
30#undef opendir 44#undef opendir
31#undef closedir 45#undef closedir
32 46
33#ifdef _WIN32 47#ifdef _WIN32
34 48
35 #define EIO_STRUCT_DIRENT Direntry_t 49 // perl overrides all those nice libc functions
50
36 #undef malloc 51 #undef malloc
37 #undef free 52 #undef free
38
39 // perl overrides all those nice libc functions
40 #undef open 53 #undef open
41 #undef read 54 #undef read
42 #undef write 55 #undef write
43 #undef send 56 #undef send
44 #undef recv 57 #undef recv
… …
62 #undef fchmod 75 #undef fchmod
63 #undef dup 76 #undef dup
64 #undef dup2 77 #undef dup2
65 #undef abort 78 #undef abort
66 #undef pipe 79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83 #define EIO_STRUCT_STATI64
67 84
68#else 85#else
69 86
70 #include <sys/time.h> 87 #include <sys/time.h>
71 #include <sys/select.h> 88 #include <sys/select.h>
89 #include <sys/wait.h>
72 #include <unistd.h> 90 #include <unistd.h>
73 #include <utime.h> 91 #include <utime.h>
74 #include <signal.h> 92 #include <signal.h>
75 93
76#endif
77
78#define EIO_STRUCT_STAT Stat_t 94 #define EIO_STRUCT_STAT Stat_t
79 95
80/* use NV for 32 bit perls as it allows larger offsets */
81#if IVSIZE >= 8
82# define VAL64 IV
83# define SvVAL64 SvIV
84# define newSVval64 newSViv
85#else
86# define VAL64 NV
87# define SvVAL64 SvNV
88# define newSVval64 newSVnv
89#endif 96#endif
90 97
91/*****************************************************************************/ 98/*****************************************************************************/
92 99
93#if __GNUC__ >= 3 100#if __GNUC__ >= 3
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
101 108
102/*****************************************************************************/ 109/*****************************************************************************/
103 110
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
104typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
107 176
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
109 178
110#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
111 SV *callback; \ 180 SV *callback; \
112 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
113 STRLEN stroffset; \ 183 STRLEN stroffset; \
114 SV *self; 184 SV *self;
115 185
116#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
117 187
118#include "libeio/config.h"
119#include "libeio/eio.h" 188#include "libeio/eio.h"
120 189
121static int req_invoke (eio_req *req); 190static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 191#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 192static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 193#define EIO_DESTROY(req) req_destroy (req)
125 194
126#include "libeio/eio.c" 195#include "libeio/eio.c"
127 196
128/* Linux/others */
129#ifndef O_ASYNC
130# define O_ASYNC 0
131#endif
132#ifndef O_DIRECT
133# define O_DIRECT 0
134#endif
135#ifndef O_NOATIME
136# define O_NOATIME 0
137#endif
138
139/* POSIX */
140#ifndef O_CLOEXEC
141# define O_CLOEXEC 0
142#endif
143#ifndef O_NOFOLLOW
144# define O_NOFOLLOW 0
145#endif
146#ifndef O_NOCTTY
147# define O_NOCTTY 0
148#endif
149#ifndef O_NONBLOCK
150# define O_NONBLOCK 0
151#endif
152#ifndef O_EXEC
153# define O_EXEC 0
154#endif
155#ifndef O_SEARCH
156# define O_SEARCH 0
157#endif
158#ifndef O_DIRECTORY
159# define O_DIRECTORY 0
160#endif
161#ifndef O_DSYNC
162# define O_DSYNC 0
163#endif
164#ifndef O_RSYNC
165# define O_RSYNC 0
166#endif
167#ifndef O_SYNC
168# define O_SYNC 0
169#endif
170#ifndef O_TTY_INIT
171# define O_TTY_INIT 0
172#endif
173
174#ifndef POSIX_FADV_NORMAL
175# define POSIX_FADV_NORMAL 0
176#endif
177#ifndef POSIX_FADV_SEQUENTIAL
178# define POSIX_FADV_SEQUENTIAL 0
179#endif
180#ifndef POSIX_FADV_RANDOM
181# define POSIX_FADV_RANDOM 0
182#endif
183#ifndef POSIX_FADV_NOREUSE
184# define POSIX_FADV_NOREUSE 0
185#endif
186#ifndef POSIX_FADV_WILLNEED
187# define POSIX_FADV_WILLNEED 0
188#endif
189#ifndef POSIX_FADV_DONTNEED
190# define POSIX_FADV_DONTNEED 0
191#endif
192
193#if !HAVE_POSIX_FADVISE 197#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 199#endif
196 200
197#ifndef POSIX_MADV_NORMAL
198# define POSIX_MADV_NORMAL 0
199#endif
200#ifndef POSIX_MADV_SEQUENTIAL
201# define POSIX_MADV_SEQUENTIAL 0
202#endif
203#ifndef POSIX_MADV_RANDOM
204# define POSIX_MADV_RANDOM 0
205#endif
206#ifndef POSIX_MADV_WILLNEED
207# define POSIX_MADV_WILLNEED 0
208#endif
209#ifndef POSIX_MADV_DONTNEED
210# define POSIX_MADV_DONTNEED 0
211#endif
212
213#if !HAVE_POSIX_MADVISE 201#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
215#endif
216
217#ifndef PROT_NONE
218# define PROT_NONE 0
219#endif
220#ifndef PROT_READ
221# define PROT_READ 0
222#endif
223#ifndef PROT_WRITE
224# define PROT_READ 0
225#endif
226#ifndef PROT_EXEC
227# define PROT_EXEC 0
228#endif
229
230#ifndef ST_RDONLY
231# define ST_RDONLY 0
232#endif
233#ifndef ST_NOSUID
234# define ST_NOSUID 0
235#endif
236#ifndef ST_NODEV
237# define ST_NODEV 0
238#endif
239#ifndef ST_NOEXEC
240# define ST_NOEXEC 0
241#endif
242#ifndef ST_SYNCHRONOUS
243# define ST_SYNCHRONOUS 0
244#endif
245#ifndef ST_MANDLOCK
246# define ST_MANDLOCK 0
247#endif
248#ifndef ST_WRITE
249# define ST_WRITE 0
250#endif
251#ifndef ST_APPEND
252# define ST_APPEND 0
253#endif
254#ifndef ST_IMMUTABLE
255# define ST_IMMUTABLE 0
256#endif
257#ifndef ST_NOATIME
258# define ST_NOATIME 0
259#endif
260#ifndef ST_NODIRATIME
261# define ST_NODIRATIME 0
262#endif
263#ifndef ST_RELATIME
264# define ST_RELATIME 0
265#endif
266
267#ifndef S_IFIFO
268# define S_IFIFO 0
269#endif
270#ifndef S_IFCHR
271# define S_IFCHR 0
272#endif
273#ifndef S_IFBLK
274# define S_IFBLK 0
275#endif
276#ifndef S_IFLNK
277# define S_IFLNK 0
278#endif
279#ifndef S_IFREG
280# define S_IFREG 0
281#endif
282#ifndef S_IFDIR
283# define S_IFDIR 0
284#endif
285#ifndef S_IFWHT
286# define S_IFWHT 0
287#endif
288#ifndef S_IFSOCK
289# define S_IFSOCK 0
290#endif 203#endif
291 204
292#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 206# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
295# else 208# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 210# endif
298#endif 211#endif
299#ifndef MAP_HUGETLB
300# define MAP_HUGETLB 0
301#endif
302#ifndef MAP_LOCKED
303# define MAP_LOCKED 0
304#endif
305#ifndef MAP_NORESERVE
306# define MAP_NORESERVE 0
307#endif
308#ifndef MAP_POPULATE
309# define MAP_POPULATE 0
310#endif
311#ifndef MAP_NONBLOCK
312# define MAP_NONBLOCK 0
313#endif
314 212
315#ifndef makedev 213#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 214# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 215#endif
318#ifndef major 216#ifndef major
… …
320#endif 218#endif
321#ifndef minor 219#ifndef minor
322# define minor(dev) ((dev) & 0xff) 220# define minor(dev) ((dev) & 0xff)
323#endif 221#endif
324 222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
325#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
230#endif
231
232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
233#ifdef __sun
234# undef HAVE_SYSCALL
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()
327#endif 454#endif
328 455
329enum { 456enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 458};
332 459
333typedef eio_req *aio_req; 460typedef eio_req *aio_req;
334typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
335 463
336static SV *on_next_submit; 464static SV *on_next_submit;
337static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
338static int max_outstanding; 466static int max_outstanding;
339 467
340static s_epipe respipe; 468static s_epipe respipe;
341 469
342static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
343static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
344 472
345static void want_poll (void) 473static void
474want_poll (void)
346{ 475{
347 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
348 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
349} 478}
350 479
351static void done_poll (void) 480static void
481done_poll (void)
352{ 482{
353 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
354 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
355} 485}
356 486
357/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
358static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
359{ 491{
360 if (!req->self) 492 if (!req->self)
361 { 493 {
362 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
363 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
364 } 496 }
365 497
366 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
367} 499}
368 500
369static 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)
370{ 510{
371 MAGIC *mg; 511 MAGIC *mg;
372 512
373 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
374 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
375 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
376 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
377 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
378 519
379 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
380 521
381 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
382} 523}
383 524
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
384static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
385{ 563{
386 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
387 { 565 {
388 dSP; 566 dSP;
389 567
… …
397 FREETMPS; 575 FREETMPS;
398 LEAVE; 576 LEAVE;
399 } 577 }
400} 578}
401 579
580ecb_noinline
581static void
402static void req_submit (eio_req *req) 582req_submit (eio_req *req)
403{ 583{
404 eio_submit (req); 584 eio_submit (req);
405 585
406 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
407 { 587 {
… …
414 PUTBACK; 594 PUTBACK;
415 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
416 } 596 }
417} 597}
418 598
599static int
419static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
420{ 601{
421 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
422 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
423 604
424 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
445 SvREADONLY_on (sv_result); 626 SvREADONLY_on (sv_result);
446 } 627 }
447 628
448 switch (req->type) 629 switch (req->type)
449 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
450 case EIO_READDIR: 635 case EIO_READDIR:
451 { 636 {
452 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
453 638
454 if (req->result >= 0) 639 if (req->result >= 0)
… …
507 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))));
508 } 693 }
509 break; 694 break;
510 695
511 case EIO_OPEN: 696 case EIO_OPEN:
512 { 697 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
513 /* convert fd to fh */
514 SV *fh = &PL_sv_undef;
515
516 if (req->result >= 0)
517 {
518 GV *gv = (GV *)sv_newmortal ();
519 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
520 char sym [64];
521 int symlen;
522
523 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
524 gv_init (gv, aio_stash, sym, symlen, 0);
525
526 symlen = snprintf (
527 sym,
528 sizeof (sym),
529 "%s&=%d",
530 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
531 (int)req->result
532 );
533
534 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
535 fh = (SV *)gv;
536 }
537
538 PUSHs (fh);
539 }
540 break; 698 break;
541 699
542 case EIO_STATVFS: 700 case EIO_STATVFS:
543 case EIO_FSTATVFS: 701 case EIO_FSTATVFS:
544 { 702 {
… …
547#ifndef _WIN32 705#ifndef _WIN32
548 if (req->result >= 0) 706 if (req->result >= 0)
549 { 707 {
550 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
551 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));
552 715
553 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
554 717
555 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);
556 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);
… …
558 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);
559 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);
560 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);
561 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);
562 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);
563 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
564 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);
565 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);
566 } 729 }
567#endif 730#endif
568 731
… …
596 break; 759 break;
597 760
598 case EIO_STAT: 761 case EIO_STAT:
599 case EIO_LSTAT: 762 case EIO_LSTAT:
600 case EIO_FSTAT: 763 case EIO_FSTAT:
601 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
602 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
603 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
604 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
769
605 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)));
606 break; 775 break;
607 776
608 case EIO_READ: 777 case EIO_READ:
609 { 778 {
610 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));
… …
613 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
614 PUSHs (sv_result); 783 PUSHs (sv_result);
615 } 784 }
616 break; 785 break;
617 786
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
618 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
619 if (req->result > 0) 858 if (req->result > 0)
620 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
621 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
622 861
… …
643 } 882 }
644 883
645 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
646} 885}
647 886
887static void
648static void req_destroy (aio_req req) 888req_destroy (aio_req req)
649{ 889{
650 if (req->self) 890 if (req->self)
651 { 891 {
652 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
653 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
654 } 894 }
655 895
656 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
657 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
658 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
659 901
660 Safefree (req); 902 free (req);
661} 903}
662 904
905static void
663static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
664{ 907{
665 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
666 return; 909 return;
667 910
668 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
669 grp->sv2 = 0; 912 grp->sv2 = 0;
670 913
671 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
672} 915}
673 916
917ecb_cold
918static void
674static void create_respipe (void) 919create_respipe (void)
675{ 920{
676 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
677 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
678} 923}
679 924
680static void poll_wait (void) 925static void
926poll_wait (void)
681{ 927{
682 while (eio_nreqs ()) 928 while (eio_nreqs ())
683 { 929 {
684 int size; 930 int size;
685 931
686 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
687 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
688 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
689 935
690 if (size) 936 if (size)
691 return; 937 return;
692 938
693 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
694 940
695 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
696 } 942 }
697} 943}
698 944
699static int poll_cb (void) 945static int
946poll_cb (void)
700{ 947{
701 for (;;) 948 for (;;)
702 { 949 {
703 int res = eio_poll (); 950 int res = eio_poll ();
704 951
… …
710 957
711 poll_wait (); 958 poll_wait ();
712 } 959 }
713} 960}
714 961
715static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
716{ 965{
717 create_respipe (); 966 create_respipe ();
967
968 if (eio_init (want_poll, done_poll) < 0)
969 croak ("IO::AIO: unable to initialise eio library");
718} 970}
719 971
720/*****************************************************************************/ 972/*****************************************************************************/
721 973
722#if !_POSIX_MAPPED_FILES 974static SV *
723# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
724# define munmap(addr,length) (errno = ENOSYS, -1)
725#endif
726
727#if !_POSIX_MEMORY_PROTECTION
728# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
729# define PROT_NONE 0
730# define PROT_WRITE 0
731# define MAP_PRIVATE 0
732# define MAP_SHARED 0
733# define MAP_FIXED 0
734#endif
735
736#define MMAP_MAGIC PERL_MAGIC_ext
737
738static int mmap_free (pTHX_ SV *sv, MAGIC *mg)
739{
740 int old_errno = errno;
741 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
742 errno = old_errno;
743
744 mg->mg_obj = 0; /* just in case */
745
746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
751 SvCUR_set (sv, 0);
752 SvPVX (sv) = 0;
753 SvOK_off (sv);
754
755 return 0;
756}
757
758static MGVTBL mmap_vtbl = {
759 0, 0, 0, 0, mmap_free
760};
761
762/*****************************************************************************/
763
764static SV * get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
765{ 976{
766 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
767 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
768} 979}
769 980
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
770#define dREQ \ 1002#define dREQ \
771 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
772 aio_req req; \
773 int req_pri = next_pri; \
774 next_pri = EIO_PRI_DEFAULT; \
775 \
776 cb_cv = get_cb (callback); \
777 \
778 Newz (0, req, 1, eio_req); \
779 if (!req) \
780 croak ("out of memory during eio_req allocation"); \
781 \
782 req->callback = SvREFCNT_inc (cb_cv); \
783 req->pri = req_pri
784 1004
785#define REQ_SEND \ 1005#define REQ_SEND \
786 PUTBACK; \ 1006 PUTBACK; \
787 req_submit (req); \ 1007 req_submit (req); \
788 SPAGAIN; \ 1008 SPAGAIN; \
789 \ 1009 \
790 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
791 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
792 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
793MODULE = IO::AIO PACKAGE = IO::AIO 1100MODULE = IO::AIO PACKAGE = IO::AIO
794 1101
795PROTOTYPES: ENABLE 1102PROTOTYPES: ENABLE
796 1103
797BOOT: 1104BOOT:
… …
801 IV iv; 1108 IV iv;
802 } *civ, const_iv[] = { 1109 } *civ, const_iv[] = {
803# define const_niv(name, value) { # name, (IV) value }, 1110# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name }, 1111# define const_iv(name) { # name, (IV) name },
805# 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)
806 const_iv (EXDEV) 1117 const_iv (EXDEV)
807 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
808 const_iv (O_RDONLY) 1140 const_iv (O_RDONLY)
809 const_iv (O_WRONLY) 1141 const_iv (O_WRONLY)
810 const_iv (O_RDWR) 1142 const_iv (O_RDWR)
811 const_iv (O_CREAT) 1143 const_iv (O_CREAT)
812 const_iv (O_TRUNC) 1144 const_iv (O_TRUNC)
… …
825 const_iv (O_SEARCH) 1157 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY) 1158 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC) 1159 const_iv (O_DSYNC)
828 const_iv (O_RSYNC) 1160 const_iv (O_RSYNC)
829 const_iv (O_SYNC) 1161 const_iv (O_SYNC)
1162 const_iv (O_PATH)
1163 const_iv (O_TMPFILE)
830 const_iv (O_TTY_INIT) 1164 const_iv (O_TTY_INIT)
831 1165
832 const_iv (S_IFIFO) 1166 const_iv (S_IFIFO)
833 const_iv (S_IFCHR) 1167 const_iv (S_IFCHR)
834 const_iv (S_IFBLK) 1168 const_iv (S_IFBLK)
… …
836 const_iv (S_IFREG) 1170 const_iv (S_IFREG)
837 const_iv (S_IFDIR) 1171 const_iv (S_IFDIR)
838 const_iv (S_IFWHT) 1172 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK) 1173 const_iv (S_IFSOCK)
840 const_iv (S_IFMT) 1174 const_iv (S_IFMT)
841
842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854 1175
855 const_iv (ST_RDONLY) 1176 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID) 1177 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV) 1178 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC) 1179 const_iv (ST_NOEXEC)
… …
868 const_iv (PROT_NONE) 1189 const_iv (PROT_NONE)
869 const_iv (PROT_EXEC) 1190 const_iv (PROT_EXEC)
870 const_iv (PROT_READ) 1191 const_iv (PROT_READ)
871 const_iv (PROT_WRITE) 1192 const_iv (PROT_WRITE)
872 1193
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE) 1194 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED) 1195 const_iv (MAP_SHARED)
1196 const_iv (MAP_FIXED)
876 const_iv (MAP_ANONYMOUS) 1197 const_iv (MAP_ANONYMOUS)
877 1198
878 /* linuxish */ 1199 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED) 1200 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE) 1201 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE) 1202 const_iv (MAP_POPULATE)
883 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
1209 const_iv (MREMAP_MAYMOVE)
1210 const_iv (MREMAP_FIXED)
1211
1212 const_iv (MSG_CMSG_CLOEXEC)
1213 const_iv (SOCK_CLOEXEC)
1214
1215 const_iv (F_DUPFD_CLOEXEC)
1216
1217 const_iv (F_ADD_SEALS)
1218 const_iv (F_GET_SEALS)
1219 const_iv (F_SEAL_SEAL)
1220 const_iv (F_SEAL_SHRINK)
1221 const_iv (F_SEAL_GROW)
1222 const_iv (F_SEAL_WRITE)
1223
1224 const_iv (F_OFD_GETLK)
1225 const_iv (F_OFD_SETLK)
1226 const_iv (F_OFD_GETLKW)
1227
1228 const_iv (FIFREEZE)
1229 const_iv (FITHAW)
1230 const_iv (FITRIM)
1231 const_iv (FICLONE)
1232 const_iv (FICLONERANGE)
1233 const_iv (FIDEDUPERANGE)
1234
1235 const_iv (FS_IOC_GETFLAGS)
1236 const_iv (FS_IOC_SETFLAGS)
1237 const_iv (FS_IOC_GETVERSION)
1238 const_iv (FS_IOC_SETVERSION)
1239 const_iv (FS_IOC_FIEMAP)
1240 const_iv (FS_IOC_FSGETXATTR)
1241 const_iv (FS_IOC_FSSETXATTR)
1242 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1243 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1244 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1245
1246 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1247
1248 const_iv (FS_SECRM_FL)
1249 const_iv (FS_UNRM_FL)
1250 const_iv (FS_COMPR_FL)
1251 const_iv (FS_SYNC_FL)
1252 const_iv (FS_IMMUTABLE_FL)
1253 const_iv (FS_APPEND_FL)
1254 const_iv (FS_NODUMP_FL)
1255 const_iv (FS_NOATIME_FL)
1256 const_iv (FS_DIRTY_FL)
1257 const_iv (FS_COMPRBLK_FL)
1258 const_iv (FS_NOCOMP_FL)
1259 const_iv (FS_ENCRYPT_FL)
1260 const_iv (FS_BTREE_FL)
1261 const_iv (FS_INDEX_FL)
1262 const_iv (FS_JOURNAL_DATA_FL)
1263 const_iv (FS_NOTAIL_FL)
1264 const_iv (FS_DIRSYNC_FL)
1265 const_iv (FS_TOPDIR_FL)
1266 const_iv (FS_FL_USER_MODIFIABLE)
1267
1268 const_iv (FS_XFLAG_REALTIME)
1269 const_iv (FS_XFLAG_PREALLOC)
1270 const_iv (FS_XFLAG_IMMUTABLE)
1271 const_iv (FS_XFLAG_APPEND)
1272 const_iv (FS_XFLAG_SYNC)
1273 const_iv (FS_XFLAG_NOATIME)
1274 const_iv (FS_XFLAG_NODUMP)
1275 const_iv (FS_XFLAG_RTINHERIT)
1276 const_iv (FS_XFLAG_PROJINHERIT)
1277 const_iv (FS_XFLAG_NOSYMLINKS)
1278 const_iv (FS_XFLAG_EXTSIZE)
1279 const_iv (FS_XFLAG_EXTSZINHERIT)
1280 const_iv (FS_XFLAG_NODEFRAG)
1281 const_iv (FS_XFLAG_FILESTREAM)
1282 const_iv (FS_XFLAG_DAX)
1283 const_iv (FS_XFLAG_HASATTR)
1284
1285 const_iv (FIEMAP_FLAG_SYNC)
1286 const_iv (FIEMAP_FLAG_XATTR)
1287 const_iv (FIEMAP_FLAGS_COMPAT)
1288 const_iv (FIEMAP_EXTENT_LAST)
1289 const_iv (FIEMAP_EXTENT_UNKNOWN)
1290 const_iv (FIEMAP_EXTENT_DELALLOC)
1291 const_iv (FIEMAP_EXTENT_ENCODED)
1292 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1293 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1294 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1295 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1296 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1297 const_iv (FIEMAP_EXTENT_MERGED)
1298 const_iv (FIEMAP_EXTENT_SHARED)
1299
1300 const_iv (SPLICE_F_MOVE)
1301 const_iv (SPLICE_F_NONBLOCK)
1302 const_iv (SPLICE_F_MORE)
1303 const_iv (SPLICE_F_GIFT)
1304
1305 const_iv (EFD_CLOEXEC)
1306 const_iv (EFD_NONBLOCK)
1307 const_iv (EFD_SEMAPHORE)
1308
1309 const_iv (MFD_CLOEXEC)
1310 const_iv (MFD_ALLOW_SEALING)
1311 const_iv (MFD_HUGETLB)
1312
1313 const_iv (CLOCK_REALTIME)
1314 const_iv (CLOCK_MONOTONIC)
1315 const_iv (CLOCK_BOOTTIME)
1316 const_iv (CLOCK_REALTIME_ALARM)
1317 const_iv (CLOCK_BOOTTIME_ALARM)
1318
1319 const_iv (TFD_NONBLOCK)
1320 const_iv (TFD_CLOEXEC)
1321
1322 const_iv (TFD_TIMER_ABSTIME)
1323 const_iv (TFD_TIMER_CANCEL_ON_SET)
1324
1325 const_iv (STATX_TYPE)
1326 const_iv (STATX_MODE)
1327 const_iv (STATX_NLINK)
1328 const_iv (STATX_UID)
1329 const_iv (STATX_GID)
1330 const_iv (STATX_ATIME)
1331 const_iv (STATX_MTIME)
1332 const_iv (STATX_CTIME)
1333 const_iv (STATX_INO)
1334 const_iv (STATX_SIZE)
1335 const_iv (STATX_BLOCKS)
1336 const_iv (STATX_BASIC_STATS)
1337 const_iv (STATX_ALL)
1338 const_iv (STATX_BTIME)
1339 const_iv (STATX_ATTR_COMPRESSED)
1340 const_iv (STATX_ATTR_IMMUTABLE)
1341 const_iv (STATX_ATTR_APPEND)
1342 const_iv (STATX_ATTR_NODUMP)
1343 const_iv (STATX_ATTR_ENCRYPTED)
1344 const_iv (STATX_ATTR_AUTOMOUNT)
1345
1346 const_iv (AT_FDCWD)
1347 const_iv (AT_SYMLINK_NOFOLLOW)
1348 const_iv (AT_EACCESS)
1349 const_iv (AT_REMOVEDIR)
1350 const_iv (AT_SYMLINK_FOLLOW)
1351 const_iv (AT_NO_AUTOMOUNT)
1352 const_iv (AT_EMPTY_PATH)
1353 const_iv (AT_STATX_SYNC_TYPE)
1354 const_iv (AT_STATX_AS_STAT)
1355 const_iv (AT_STATX_FORCE_SYNC)
1356 const_iv (AT_STATX_DONT_SYNC)
1357 const_iv (AT_RECURSIVE)
1358
1359 const_iv (OPEN_TREE_CLONE)
1360
1361 const_iv (FSOPEN_CLOEXEC)
1362
1363 const_iv (FSPICK_CLOEXEC)
1364 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1365 const_iv (FSPICK_NO_AUTOMOUNT)
1366 const_iv (FSPICK_EMPTY_PATH)
1367
1368 const_iv (MOVE_MOUNT_F_SYMLINKS)
1369 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1370 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1371 const_iv (MOVE_MOUNT_T_SYMLINKS)
1372 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1373 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1374
1375 /* waitid */
1376 const_iv (P_PID)
1377 const_iv (P_PIDFD)
1378 const_iv (P_PGID)
1379 const_iv (P_ALL)
1380
1381 const_iv (FSCONFIG_SET_FLAG)
1382 const_iv (FSCONFIG_SET_STRING)
1383 const_iv (FSCONFIG_SET_BINARY)
1384 const_iv (FSCONFIG_SET_PATH)
1385 const_iv (FSCONFIG_SET_PATH_EMPTY)
1386 const_iv (FSCONFIG_SET_FD)
1387 const_iv (FSCONFIG_CMD_CREATE)
1388 const_iv (FSCONFIG_CMD_RECONFIGURE)
1389
1390 const_iv (MOUNT_ATTR_RDONLY)
1391 const_iv (MOUNT_ATTR_NOSUID)
1392 const_iv (MOUNT_ATTR_NODEV)
1393 const_iv (MOUNT_ATTR_NOEXEC)
1394 const_iv (MOUNT_ATTR__ATIME)
1395 const_iv (MOUNT_ATTR_RELATIME)
1396 const_iv (MOUNT_ATTR_NOATIME)
1397 const_iv (MOUNT_ATTR_STRICTATIME)
1398 const_iv (MOUNT_ATTR_NODIRATIME)
1399
1400 /* these are libeio constants, and are independent of gendef0 */
1401 const_eio (SEEK_SET)
1402 const_eio (SEEK_CUR)
1403 const_eio (SEEK_END)
884 1404
885 const_eio (MCL_FUTURE) 1405 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT) 1406 const_eio (MCL_CURRENT)
1407 const_eio (MCL_ONFAULT)
887 1408
888 const_eio (MS_ASYNC) 1409 const_eio (MS_ASYNC)
889 const_eio (MS_INVALIDATE) 1410 const_eio (MS_INVALIDATE)
890 const_eio (MS_SYNC) 1411 const_eio (MS_SYNC)
891 1412
… …
894 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1415 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
895 const_eio (SYNC_FILE_RANGE_WRITE) 1416 const_eio (SYNC_FILE_RANGE_WRITE)
896 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1417 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
897 1418
898 const_eio (FALLOC_FL_KEEP_SIZE) 1419 const_eio (FALLOC_FL_KEEP_SIZE)
1420 const_eio (FALLOC_FL_PUNCH_HOLE)
1421 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1422 const_eio (FALLOC_FL_ZERO_RANGE)
1423 const_eio (FALLOC_FL_INSERT_RANGE)
1424 const_eio (FALLOC_FL_UNSHARE_RANGE)
1425
1426 const_eio (RENAME_NOREPLACE)
1427 const_eio (RENAME_EXCHANGE)
1428 const_eio (RENAME_WHITEOUT)
899 1429
900 const_eio (READDIR_DENTS) 1430 const_eio (READDIR_DENTS)
901 const_eio (READDIR_DIRS_FIRST) 1431 const_eio (READDIR_DIRS_FIRST)
902 const_eio (READDIR_STAT_ORDER) 1432 const_eio (READDIR_STAT_ORDER)
903 const_eio (READDIR_FOUND_UNKNOWN) 1433 const_eio (READDIR_FOUND_UNKNOWN)
… …
914 }; 1444 };
915 1445
916 aio_stash = gv_stashpv ("IO::AIO" , 1); 1446 aio_stash = gv_stashpv ("IO::AIO" , 1);
917 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1447 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
918 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1448 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1449 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
919 1450
920 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1451 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
921 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1452 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
922 1453
923 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1454 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
924 1455
925 create_respipe (); 1456 /* allocate dummy pipe fd for aio_close */
1457 {
1458 int pipefd [2];
926 1459
927 if (eio_init (want_poll, done_poll) < 0) 1460 if (
928 croak ("IO::AIO: unable to initialise eio library"); 1461#ifdef _WIN32
1462 _pipe (pipefd, 1, _O_BINARY) < 0
1463#else
1464 pipe (pipefd) < 0
1465 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1466#endif
1467 || close (pipefd [1]) < 0
1468 )
1469 croak ("IO::AIO: unable to create dummy pipe for aio_close");
929 1470
930 /* atfork child called in fifo order, so before eio's handler */ 1471 close_fd = pipefd [0];
931 X_THREAD_ATFORK (0, 0, atfork_child); 1472 }
1473
1474 reinit ();
932} 1475}
1476
1477void
1478reinit ()
1479 PROTOTYPE:
933 1480
934void 1481void
935max_poll_reqs (unsigned int nreqs) 1482max_poll_reqs (unsigned int nreqs)
936 PROTOTYPE: $ 1483 PROTOTYPE: $
937 CODE: 1484 CODE:
… …
972 PROTOTYPE: $ 1519 PROTOTYPE: $
973 CODE: 1520 CODE:
974 max_outstanding = maxreqs; 1521 max_outstanding = maxreqs;
975 1522
976void 1523void
977aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1524aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
978 PPCODE: 1525 PPCODE:
979{ 1526{
980 dREQ; 1527 dREQ;
981 1528
1529 req->type = EIO_WD_OPEN;
1530 req_set_path1 (req, pathname);
1531
1532 REQ_SEND;
1533}
1534
1535void
1536aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1537 PPCODE:
1538{
1539 dREQ;
1540
982 req->type = EIO_OPEN; 1541 req->type = EIO_OPEN;
983 req->sv1 = newSVsv (pathname); 1542 req_set_path1 (req, pathname);
984 req->ptr1 = SvPVbyte_nolen (req->sv1);
985 req->int1 = flags; 1543 req->int1 = flags;
986 req->int2 = mode; 1544 req->int2 = mode;
987 1545
988 REQ_SEND; 1546 REQ_SEND;
989} 1547}
990 1548
991void 1549void
992aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1550aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
993 ALIAS: 1551 ALIAS:
994 aio_fsync = EIO_FSYNC 1552 aio_fsync = EIO_FSYNC
995 aio_fdatasync = EIO_FDATASYNC 1553 aio_fdatasync = EIO_FDATASYNC
1554 aio_syncfs = EIO_SYNCFS
996 PPCODE: 1555 PPCODE:
997{ 1556{
998 int fd = s_fileno_croak (fh, 0); 1557 int fd = s_fileno_croak (fh, 0);
999 dREQ; 1558 dREQ;
1000 1559
1001 req->type = ix; 1560 req->type = ix;
1002 req->sv1 = newSVsv (fh); 1561 req->sv1 = newSVsv (fh);
1003 req->int1 = fd; 1562 req->int1 = fd;
1004 1563
1005 REQ_SEND (req); 1564 REQ_SEND;
1006} 1565}
1007 1566
1008void 1567void
1009aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1568aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1010 PPCODE: 1569 PPCODE:
1011{ 1570{
1012 int fd = s_fileno_croak (fh, 0); 1571 int fd = s_fileno_croak (fh, 0);
1013 dREQ; 1572 dREQ;
1014 1573
1015 req->type = EIO_SYNC_FILE_RANGE; 1574 req->type = EIO_SYNC_FILE_RANGE;
1016 req->sv1 = newSVsv (fh); 1575 req->sv1 = newSVsv (fh);
1017 req->int1 = fd; 1576 req->int1 = fd;
1018 req->offs = offset; 1577 req->offs = offset;
1019 req->size = nbytes; 1578 req->size = nbytes;
1020 req->int2 = flags; 1579 req->int2 = flags;
1021 1580
1022 REQ_SEND (req); 1581 REQ_SEND;
1023} 1582}
1024 1583
1025void 1584void
1026aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1585aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1027 PPCODE: 1586 PPCODE:
1028{ 1587{
1029 int fd = s_fileno_croak (fh, 0); 1588 int fd = s_fileno_croak (fh, 0);
1030 dREQ; 1589 dREQ;
1031 1590
1032 req->type = EIO_FALLOCATE; 1591 req->type = EIO_FALLOCATE;
1033 req->sv1 = newSVsv (fh); 1592 req->sv1 = newSVsv (fh);
1034 req->int1 = fd; 1593 req->int1 = fd;
1035 req->int2 = mode; 1594 req->int2 = mode;
1036 req->offs = offset; 1595 req->offs = offset;
1037 req->size = len; 1596 req->size = len;
1038 1597
1039 REQ_SEND (req); 1598 REQ_SEND;
1040} 1599}
1041 1600
1042void 1601void
1043aio_close (SV *fh, SV *callback=&PL_sv_undef) 1602aio_close (SV *fh, SV *callback = &PL_sv_undef)
1044 PPCODE: 1603 PPCODE:
1045{ 1604{
1046 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1047 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
1048 dREQ; 1606 dREQ;
1607#if 0
1608 /* partially duplicate logic in s_fileno */
1609 SvGETMAGIC (fh);
1049 1610
1050 if (expect_false (close_fd < 0)) 1611 if (SvROK (fh))
1612 {
1613 fh = SvRV (fh);
1614 SvGETMAGIC (fh);
1615 }
1616
1617 if (SvTYPE (fh) == SVt_PVGV)
1051 { 1618 {
1052 int pipefd [2]; 1619 /* perl filehandle */
1620 PerlIOUnix_refcnt_inc (fd);
1621 do_close ((GV *)fh, 1);
1053 1622
1054 if ( 1623 req->type = EIO_CLOSE;
1055#ifdef _WIN32 1624 req->int1 = fd;
1056 _pipe (pipefd, 1, _O_BINARY) < 0 1625 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1057#else
1058 pipe (pipefd) < 0
1059 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1060#endif
1061 || close (pipefd [1]) < 0
1062 )
1063 abort (); /*D*/
1064
1065 close_fd = pipefd [0];
1066 } 1626 }
1067 1627 else
1628#endif
1629 {
1630 /* fd number */
1068 req->type = EIO_DUP2; 1631 req->type = EIO_DUP2;
1069 req->int1 = close_fd; 1632 req->int1 = close_fd;
1633 req->sv2 = newSVsv (fh);
1634 req->int2 = fd;
1635 }
1636
1637 REQ_SEND;
1638}
1639
1640void
1641aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1642 PPCODE:
1643{
1644 int fd = s_fileno_croak (fh, 0);
1645 dREQ;
1646
1647 req->type = EIO_SEEK;
1070 req->sv2 = newSVsv (fh); 1648 req->sv1 = newSVsv (fh);
1071 req->int2 = fd; 1649 req->int1 = fd;
1650 req->offs = SvVAL64 (offset);
1651 req->int2 = whence;
1072 1652
1073 REQ_SEND (req); 1653 REQ_SEND;
1074} 1654}
1075 1655
1076void 1656void
1077aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1657aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1078 ALIAS: 1658 ALIAS:
1079 aio_read = EIO_READ 1659 aio_read = EIO_READ
1080 aio_write = EIO_WRITE 1660 aio_write = EIO_WRITE
1081 PPCODE: 1661 PPCODE:
1082{ 1662{
… …
1098 len = svlen - dataoffset; 1678 len = svlen - dataoffset;
1099 } 1679 }
1100 else 1680 else
1101 { 1681 {
1102 /* read: check type and grow scalar as necessary */ 1682 /* read: check type and grow scalar as necessary */
1103 SvUPGRADE (data, SVt_PV); 1683 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1104 svptr = SvGROW (data, len + dataoffset + 1); 1684 svptr = sv_grow (data, len + dataoffset + 1);
1685 else if (SvCUR (data) < len + dataoffset)
1686 croak ("length + dataoffset outside of scalar, and cannot grow");
1105 } 1687 }
1106 1688
1107 { 1689 {
1108 dREQ; 1690 dREQ;
1109 1691
… …
1125 REQ_SEND; 1707 REQ_SEND;
1126 } 1708 }
1127} 1709}
1128 1710
1129void 1711void
1712aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1713 ALIAS:
1714 aio_ioctl = EIO_IOCTL
1715 aio_fcntl = EIO_FCNTL
1716 PPCODE:
1717{
1718 int fd = s_fileno_croak (fh, 0);
1719 char *svptr;
1720
1721 if (SvPOK (arg) || !SvNIOK (arg))
1722 {
1723 STRLEN svlen;
1724 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1725#ifdef IOCPARM_LEN
1726 STRLEN need = IOCPARM_LEN (request);
1727#else
1728 STRLEN need = 256;
1729#endif
1730
1731 if (svlen < need)
1732 svptr = SvGROW (arg, need);
1733 }
1734 else
1735 svptr = (char *)SvIV (arg);
1736
1737 {
1738 dREQ;
1739
1740 req->type = ix;
1741 req->sv1 = newSVsv (fh);
1742 req->int1 = fd;
1743 req->int2 = (long)request;
1744 req->sv2 = SvREFCNT_inc (arg);
1745 req->ptr2 = svptr;
1746
1747 REQ_SEND;
1748 }
1749}
1750
1751void
1130aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1752aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1131 ALIAS: 1753 ALIAS:
1132 aio_readlink = EIO_READLINK 1754 aio_readlink = EIO_READLINK
1133 aio_realpath = EIO_REALPATH 1755 aio_realpath = EIO_REALPATH
1134 PPCODE: 1756 PPCODE:
1135{ 1757{
1136 dREQ; 1758 dREQ;
1137 1759
1138 req->type = ix; 1760 req->type = ix;
1139 req->sv1 = newSVsv (path); 1761 req_set_path1 (req, pathname);
1140 req->ptr1 = SvPVbyte_nolen (req->sv1);
1141 1762
1142 REQ_SEND; 1763 REQ_SEND;
1143} 1764}
1144 1765
1145void 1766void
1146aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1767aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1147 PPCODE: 1768 PPCODE:
1148{ 1769{
1149 int ifd = s_fileno_croak (in_fh , 0); 1770 int ifd = s_fileno_croak (in_fh , 0);
1150 int ofd = s_fileno_croak (out_fh, 1); 1771 int ofd = s_fileno_croak (out_fh, 1);
1151 dREQ; 1772 dREQ;
1152 1773
1153 req->type = EIO_SENDFILE; 1774 req->type = EIO_SENDFILE;
1154 req->sv1 = newSVsv (out_fh); 1775 req->sv1 = newSVsv (out_fh);
1155 req->int1 = ofd; 1776 req->int1 = ofd;
… …
1160 1781
1161 REQ_SEND; 1782 REQ_SEND;
1162} 1783}
1163 1784
1164void 1785void
1165aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1786aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1166 PPCODE: 1787 PPCODE:
1167{ 1788{
1168 int fd = s_fileno_croak (fh, 0); 1789 int fd = s_fileno_croak (fh, 0);
1169 dREQ; 1790 dREQ;
1170 1791
1171 req->type = EIO_READAHEAD; 1792 req->type = EIO_READAHEAD;
1172 req->sv1 = newSVsv (fh); 1793 req->sv1 = newSVsv (fh);
1173 req->int1 = fd; 1794 req->int1 = fd;
… …
1176 1797
1177 REQ_SEND; 1798 REQ_SEND;
1178} 1799}
1179 1800
1180void 1801void
1181aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1802aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1182 ALIAS: 1803 ALIAS:
1183 aio_stat = EIO_STAT 1804 aio_stat = EIO_STAT
1184 aio_lstat = EIO_LSTAT 1805 aio_lstat = EIO_LSTAT
1185 aio_statvfs = EIO_STATVFS 1806 aio_statvfs = EIO_STATVFS
1186 PPCODE: 1807 PPCODE:
1187{ 1808{
1188 dREQ; 1809 dREQ;
1189 1810
1190 req->sv1 = newSVsv (fh_or_path); 1811 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1191
1192 if (SvPOK (req->sv1))
1193 {
1194 req->type = ix;
1195 req->ptr1 = SvPVbyte_nolen (req->sv1);
1196 }
1197 else
1198 {
1199 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1200 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1201 }
1202 1812
1203 REQ_SEND; 1813 REQ_SEND;
1204} 1814}
1815
1816void
1817st_xtime ()
1818 ALIAS:
1819 st_atime = 0x01
1820 st_mtime = 0x02
1821 st_ctime = 0x04
1822 st_btime = 0x08
1823 st_xtime = 0x0f
1824 PPCODE:
1825 EXTEND (SP, 4);
1826 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1827 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1828 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1829 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1830
1831void
1832st_xtimensec ()
1833 ALIAS:
1834 st_atimensec = 0x01
1835 st_mtimensec = 0x02
1836 st_ctimensec = 0x04
1837 st_btimensec = 0x08
1838 st_xtimensec = 0x0f
1839 st_btimesec = 0x10
1840 st_gen = 0x20
1841 PPCODE:
1842 EXTEND (SP, 4);
1843 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1844 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1845 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1846 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1847 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1848 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1205 1849
1206UV 1850UV
1207major (UV dev) 1851major (UV dev)
1208 ALIAS: 1852 ALIAS:
1209 minor = 1 1853 minor = 1
1210 CODE: 1854 CODE:
1211 RETVAL = ix ? major (dev) : minor (dev); 1855 RETVAL = ix ? minor (dev) : major (dev);
1212 OUTPUT: 1856 OUTPUT:
1213 RETVAL 1857 RETVAL
1214 1858
1215UV 1859UV
1216makedev (UV maj, UV min) 1860makedev (UV maj, UV min)
… …
1218 RETVAL = makedev (maj, min); 1862 RETVAL = makedev (maj, min);
1219 OUTPUT: 1863 OUTPUT:
1220 RETVAL 1864 RETVAL
1221 1865
1222void 1866void
1223aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1867aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1224 PPCODE: 1868 PPCODE:
1225{ 1869{
1226 dREQ; 1870 dREQ;
1227 1871
1228 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1872 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1229 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1873 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1230 req->sv1 = newSVsv (fh_or_path); 1874 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1231
1232 if (SvPOK (req->sv1))
1233 {
1234 req->type = EIO_UTIME;
1235 req->ptr1 = SvPVbyte_nolen (req->sv1);
1236 }
1237 else
1238 {
1239 req->type = EIO_FUTIME;
1240 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1241 }
1242 1875
1243 REQ_SEND; 1876 REQ_SEND;
1244} 1877}
1245 1878
1246void 1879void
1247aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1880aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1248 PPCODE: 1881 PPCODE:
1249{ 1882{
1250 dREQ; 1883 dREQ;
1251 1884
1252 req->sv1 = newSVsv (fh_or_path);
1253 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1885 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1254 1886 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1255 if (SvPOK (req->sv1))
1256 {
1257 req->type = EIO_TRUNCATE;
1258 req->ptr1 = SvPVbyte_nolen (req->sv1);
1259 }
1260 else
1261 {
1262 req->type = EIO_FTRUNCATE;
1263 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1264 }
1265 1887
1266 REQ_SEND; 1888 REQ_SEND;
1267} 1889}
1268 1890
1269void 1891void
1270aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1892aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1271 ALIAS:
1272 aio_chmod = EIO_CHMOD
1273 aio_mkdir = EIO_MKDIR
1274 PPCODE: 1893 PPCODE:
1275{ 1894{
1276 dREQ; 1895 dREQ;
1277 1896
1278 req->int2 = mode; 1897 req->int2 = mode;
1279 req->sv1 = newSVsv (fh_or_path); 1898 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1280
1281 if (SvPOK (req->sv1))
1282 {
1283 req->type = ix;
1284 req->ptr1 = SvPVbyte_nolen (req->sv1);
1285 }
1286 else
1287 {
1288 req->type = EIO_FCHMOD;
1289 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1290 }
1291 1899
1292 REQ_SEND; 1900 REQ_SEND;
1293} 1901}
1294 1902
1295void 1903void
1296aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1904aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1297 PPCODE: 1905 PPCODE:
1298{ 1906{
1299 dREQ; 1907 dREQ;
1300 1908
1301 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1909 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1302 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1910 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1303 req->sv1 = newSVsv (fh_or_path); 1911 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1304
1305 if (SvPOK (req->sv1))
1306 {
1307 req->type = EIO_CHOWN;
1308 req->ptr1 = SvPVbyte_nolen (req->sv1);
1309 }
1310 else
1311 {
1312 req->type = EIO_FCHOWN;
1313 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1314 }
1315 1912
1316 REQ_SEND; 1913 REQ_SEND;
1317} 1914}
1318 1915
1319void 1916void
1320aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1917aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1321 PPCODE: 1918 PPCODE:
1322{ 1919{
1323 dREQ; 1920 dREQ;
1324 1921
1325 req->type = EIO_READDIR; 1922 req->type = EIO_READDIR;
1326 req->sv1 = newSVsv (pathname);
1327 req->ptr1 = SvPVbyte_nolen (req->sv1);
1328 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1923 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1329 1924
1330 if (flags & EIO_READDIR_DENTS) 1925 if (flags & EIO_READDIR_DENTS)
1331 req->int1 |= EIO_READDIR_CUSTOM2; 1926 req->int1 |= EIO_READDIR_CUSTOM2;
1332 1927
1928 req_set_path1 (req, pathname);
1929
1333 REQ_SEND; 1930 REQ_SEND;
1334} 1931}
1335 1932
1336void 1933void
1934aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1935 PPCODE:
1936{
1937 dREQ;
1938
1939 req->type = EIO_MKDIR;
1940 req->int2 = mode;
1941 req_set_path1 (req, pathname);
1942
1943 REQ_SEND;
1944}
1945
1946void
1337aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1947aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1338 ALIAS: 1948 ALIAS:
1339 aio_unlink = EIO_UNLINK 1949 aio_unlink = EIO_UNLINK
1340 aio_rmdir = EIO_RMDIR 1950 aio_rmdir = EIO_RMDIR
1341 aio_readdir = EIO_READDIR 1951 aio_readdir = EIO_READDIR
1342 PPCODE: 1952 PPCODE:
1343{ 1953{
1344 dREQ; 1954 dREQ;
1345 1955
1346 req->type = ix; 1956 req->type = ix;
1347 req->sv1 = newSVsv (pathname); 1957 req_set_path1 (req, pathname);
1348 req->ptr1 = SvPVbyte_nolen (req->sv1);
1349 1958
1350 REQ_SEND; 1959 REQ_SEND;
1351} 1960}
1352 1961
1353void 1962void
1354aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1963aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1355 ALIAS: 1964 ALIAS:
1356 aio_link = EIO_LINK 1965 aio_link = EIO_LINK
1357 aio_symlink = EIO_SYMLINK 1966 aio_symlink = EIO_SYMLINK
1358 aio_rename = EIO_RENAME 1967 aio_rename = EIO_RENAME
1359 PPCODE: 1968 PPCODE:
1360{ 1969{
1970 eio_wd wd2 = 0;
1361 dREQ; 1971 dREQ;
1362 1972
1363 req->type = ix; 1973 req->type = ix;
1364 req->sv1 = newSVsv (oldpath); 1974 req_set_path1 (req, oldpath);
1365 req->ptr1 = SvPVbyte_nolen (req->sv1); 1975 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1366 req->sv2 = newSVsv (newpath); 1976 req->int3 = (long)wd2;
1367 req->ptr2 = SvPVbyte_nolen (req->sv2);
1368 1977
1369 REQ_SEND; 1978 REQ_SEND;
1370} 1979}
1371 1980
1372void 1981void
1982aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1983 PPCODE:
1984{
1985 eio_wd wd2 = 0;
1986 dREQ;
1987
1988 req->type = EIO_RENAME;
1989 req_set_path1 (req, oldpath);
1990 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1991 req->int2 = flags;
1992 req->int3 = (long)wd2;
1993
1994 REQ_SEND;
1995}
1996
1997void
1373aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1998aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1374 PPCODE: 1999 PPCODE:
1375{ 2000{
1376 dREQ; 2001 dREQ;
1377 2002
1378 req->type = EIO_MKNOD; 2003 req->type = EIO_MKNOD;
1379 req->sv1 = newSVsv (pathname);
1380 req->ptr1 = SvPVbyte_nolen (req->sv1);
1381 req->int2 = (mode_t)mode; 2004 req->int2 = (mode_t)mode;
1382 req->offs = dev; 2005 req->offs = dev;
2006 req_set_path1 (req, pathname);
1383 2007
1384 REQ_SEND; 2008 REQ_SEND;
1385} 2009}
1386 2010
1387void 2011void
1388aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2012aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1389 ALIAS: 2013 ALIAS:
1390 aio_mtouch = EIO_MTOUCH 2014 aio_mtouch = EIO_MTOUCH
1391 aio_msync = EIO_MSYNC 2015 aio_msync = EIO_MSYNC
1392 PPCODE: 2016 PPCODE:
1393{ 2017{
1394 STRLEN svlen; 2018 STRLEN svlen;
1395 char *svptr = SvPVbyte (data, svlen); 2019 char *svptr = SvPVbyte (data, svlen);
1396 UV len = SvUV (length); 2020 UV len = SvUV (length);
2021
2022 if (flags < 0)
2023 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1397 2024
1398 if (offset < 0) 2025 if (offset < 0)
1399 offset += svlen; 2026 offset += svlen;
1400 2027
1401 if (offset < 0 || offset > svlen) 2028 if (offset < 0 || offset > svlen)
… …
1416 REQ_SEND; 2043 REQ_SEND;
1417 } 2044 }
1418} 2045}
1419 2046
1420void 2047void
1421aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2048aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1422 PPCODE: 2049 PPCODE:
1423{ 2050{
1424 STRLEN svlen; 2051 STRLEN svlen;
1425 char *svptr = SvPVbyte (data, svlen); 2052 char *svptr = SvPVbyte (data, svlen);
1426 UV len = SvUV (length); 2053 UV len = SvUV (length);
… …
1445 REQ_SEND; 2072 REQ_SEND;
1446 } 2073 }
1447} 2074}
1448 2075
1449void 2076void
1450aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2077aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1451 PPCODE: 2078 PPCODE:
1452{ 2079{
1453 dREQ; 2080 dREQ;
1454 2081
1455 req->type = EIO_MLOCKALL; 2082 req->type = EIO_MLOCKALL;
… …
1457 2084
1458 REQ_SEND; 2085 REQ_SEND;
1459} 2086}
1460 2087
1461void 2088void
2089aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2090 PPCODE:
2091{
2092 int fd = s_fileno_croak (fh, 0);
2093 dREQ;
2094
2095 req->type = EIO_CUSTOM;
2096 req->sv1 = newSVsv (fh);
2097 req->int1 = fd;
2098
2099 req->feed = fiemap;
2100#if HAVE_FIEMAP
2101 /* keep our fingers crossed that the next two types are 64 bit */
2102 req->offs = start;
2103 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2104 req->int2 = flags;
2105 req->int3 = SvOK (count) ? SvIV (count) : -1;
2106#endif
2107
2108 REQ_SEND;
2109}
2110
2111void
2112aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2113 PPCODE:
2114{
2115 char *svptr = 0;
2116
2117 sv_clear_foreign (data);
2118
2119 if (length) /* known length, directly read into scalar */
2120 {
2121 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2122 svptr = sv_grow (data, length + 1);
2123 else if (SvCUR (data) < length)
2124 croak ("length outside of scalar, and cannot grow");
2125 else
2126 svptr = SvPVbyte_nolen (data);
2127 }
2128
2129 {
2130 dREQ;
2131
2132 req->type = EIO_SLURP;
2133 req_set_path1 (req, pathname);
2134 req->offs = offset;
2135 req->size = length;
2136 req->sv2 = SvREFCNT_inc (data);
2137 req->ptr2 = svptr;
2138
2139 if (!SvREADONLY (data))
2140 {
2141 SvREADONLY_on (data);
2142 req->flags |= FLAG_SV2_RO_OFF;
2143 }
2144
2145 REQ_SEND;
2146 }
2147}
2148
2149void
1462aio_busy (double delay, SV *callback=&PL_sv_undef) 2150aio_busy (double delay, SV *callback = &PL_sv_undef)
1463 PPCODE: 2151 PPCODE:
1464{ 2152{
1465 dREQ; 2153 dREQ;
1466 2154
1467 req->type = EIO_BUSY; 2155 req->type = EIO_BUSY;
… …
1469 2157
1470 REQ_SEND; 2158 REQ_SEND;
1471} 2159}
1472 2160
1473void 2161void
1474aio_group (SV *callback=&PL_sv_undef) 2162aio_group (SV *callback = &PL_sv_undef)
1475 PPCODE: 2163 PPCODE:
1476{ 2164{
1477 dREQ; 2165 dREQ;
1478 2166
1479 req->type = EIO_GROUP; 2167 req->type = EIO_GROUP;
1480 2168
2169 PUTBACK;
1481 req_submit (req); 2170 req_submit (req);
2171 SPAGAIN;
2172
1482 XPUSHs (req_sv (req, aio_grp_stash)); 2173 XPUSHs (req_sv (req, aio_grp_stash));
1483} 2174}
1484 2175
1485void 2176void
1486aio_nop (SV *callback=&PL_sv_undef) 2177aio_nop (SV *callback = &PL_sv_undef)
1487 ALIAS: 2178 ALIAS:
1488 aio_nop = EIO_NOP 2179 aio_nop = EIO_NOP
1489 aio_sync = EIO_SYNC 2180 aio_sync = EIO_SYNC
1490 PPCODE: 2181 PPCODE:
1491{ 2182{
… …
1495 2186
1496 REQ_SEND; 2187 REQ_SEND;
1497} 2188}
1498 2189
1499int 2190int
1500aioreq_pri (int pri = 0) 2191aioreq_pri (int pri = NO_INIT)
1501 CODE: 2192 CODE:
1502 RETVAL = next_pri; 2193 RETVAL = next_pri;
1503 if (items > 0) 2194 if (items > 0)
1504 { 2195 {
1505 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2196 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1587 CODE: 2278 CODE:
1588 RETVAL = posix_fadvise (fh, offset, length, advice); 2279 RETVAL = posix_fadvise (fh, offset, length, advice);
1589 OUTPUT: 2280 OUTPUT:
1590 RETVAL 2281 RETVAL
1591 2282
1592ssize_t 2283IV
1593sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2284sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1594 CODE: 2285 CODE:
1595 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2286 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1596 OUTPUT: 2287 OUTPUT:
1597 RETVAL 2288 RETVAL
1598 2289
1599void 2290void
1600mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2291mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1601 PPCODE: 2292 PPCODE:
1602 sv_unmagic (scalar, MMAP_MAGIC); 2293 sv_clear_foreign (scalar);
1603{ 2294{
1604 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2295 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1605 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2296 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1606 if (addr == (void *)-1) 2297 if (addr == (void *)-1)
1607 XSRETURN_NO; 2298 XSRETURN_NO;
1608 2299
1609 sv_force_normal (scalar); 2300 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1610
1611 /* we store the length in mg_obj, as namlen is I32 :/ */
1612 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1613 ->mg_obj = (SV *)length;
1614
1615 SvUPGRADE (scalar, SVt_PV); /* nop... */
1616 2301
1617 if (!(prot & PROT_WRITE)) 2302 if (!(prot & PROT_WRITE))
1618 SvREADONLY_on (scalar); 2303 SvREADONLY_on (scalar);
1619 2304
1620 if (SvLEN (scalar))
1621 Safefree (SvPVX (scalar));
1622
1623 SvPVX (scalar) = (char *)addr;
1624 SvCUR_set (scalar, length);
1625 SvLEN_set (scalar, 0);
1626 SvPOK_only (scalar);
1627
1628 XSRETURN_YES; 2305 XSRETURN_YES;
1629} 2306}
1630 2307
1631void 2308void
1632munmap (SV *scalar) 2309munmap (SV *scalar)
1633 CODE: 2310 CODE:
1634 sv_unmagic (scalar, MMAP_MAGIC); 2311 sv_clear_foreign (scalar);
2312
2313SV *
2314mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2315 CODE:
2316{
2317 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2318 void *new;
2319
2320 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2321 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2322
2323 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2324
2325 RETVAL = &PL_sv_no;
2326
2327 if (new != (void *)-1)
2328 {
2329 RETVAL = new == (void *)mg->mg_ptr
2330 ? newSVpvn ("0 but true", 10)
2331 : &PL_sv_yes;
2332
2333 mg->mg_ptr = (char *)new;
2334 mg->mg_obj = (SV *)new_length;
2335
2336 SvPVX (scalar) = mg->mg_ptr;
2337 SvCUR_set (scalar, new_length);
2338 }
2339}
2340 OUTPUT:
2341 RETVAL
1635 2342
1636int 2343int
1637madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2344madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1638 ALIAS: 2345 ALIAS:
1639 mprotect = 1 2346 mprotect = 1
1640 CODE: 2347 CODE:
1641{ 2348{
1642 STRLEN svlen; 2349 STRLEN svlen;
1643 void *addr = SvPVbyte (scalar, svlen); 2350 void *addr = SvPVbyte (scalar, svlen);
1644 size_t len = SvUV (length); 2351 STRLEN len = SvUV (length);
1645 2352
1646 if (offset < 0) 2353 if (offset < 0)
1647 offset += svlen; 2354 offset += svlen;
1648 2355
1649 if (offset < 0 || offset > svlen) 2356 if (offset < 0 || offset > svlen)
… …
1663} 2370}
1664 OUTPUT: 2371 OUTPUT:
1665 RETVAL 2372 RETVAL
1666 2373
1667int 2374int
1668munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2375munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1669 CODE: 2376 CODE:
1670{ 2377{
1671 STRLEN svlen; 2378 STRLEN svlen;
1672 void *addr = SvPVbyte (scalar, svlen); 2379 void *addr = SvPVbyte (scalar, svlen);
1673 size_t len = SvUV (length); 2380 size_t len = SvUV (length);
1674 2381
1675 if (offset < 0) 2382 if (offset < 0)
1676 offset += svlen; 2383 offset += svlen;
1677 2384
… …
1684 addr = (void *)(((intptr_t)addr) + offset); 2391 addr = (void *)(((intptr_t)addr) + offset);
1685 eio_page_align (&addr, &len); 2392 eio_page_align (&addr, &len);
1686#if _POSIX_MEMLOCK_RANGE 2393#if _POSIX_MEMLOCK_RANGE
1687 RETVAL = munlock (addr, len); 2394 RETVAL = munlock (addr, len);
1688#else 2395#else
1689 RETVAL = ((errno = ENOSYS), -1); 2396 RETVAL = EIO_ENOSYS ();
1690#endif 2397#endif
1691} 2398}
1692 OUTPUT: 2399 OUTPUT:
2400 RETVAL
2401
2402int
2403mlockall (int flags)
2404 PROTOTYPE: $;
2405 CODE:
2406 RETVAL = eio_mlockall_sync (flags);
2407 OUTPUT:
1693 RETVAL 2408 RETVAL
1694 2409
1695int 2410int
1696munlockall () 2411munlockall ()
1697 CODE: 2412 CODE:
1698#if _POSIX_MEMLOCK 2413#if _POSIX_MEMLOCK
1699 munlockall (); 2414 munlockall ();
1700#else 2415#else
1701 RETVAL = -1; 2416 RETVAL = EIO_ENOSYS ();
1702 errno = ENOSYS;
1703#endif 2417#endif
1704 OUTPUT: 2418 OUTPUT:
1705 RETVAL 2419 RETVAL
2420
2421int
2422statx (SV8 *pathname, int flags, UV mask)
2423 CODE:
2424{
2425 /* undocumented, and might go away, and anyway, should use eio_statx */
2426 SV *wdsv = 0;
2427 SV *pathsv = 0;
2428 eio_wd wd = EIO_CWD;
2429 void *ptr;
2430 int res;
2431
2432 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2433 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2434
2435 SvREFCNT_dec (pathsv);
2436 SvREFCNT_dec (wdsv);
2437}
2438 OUTPUT:
2439 RETVAL
2440
2441U32
2442stx_mode ()
2443 PROTOTYPE:
2444 CODE:
2445#if HAVE_STATX
2446 RETVAL = stx.stx_mode;
2447#else
2448 XSRETURN_UNDEF;
2449#endif
2450 OUTPUT:
2451 RETVAL
2452
2453#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2454#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2455#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2456#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2457#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2458#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2459#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2460#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2461#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2462#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2463#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2464#define STATX_OFFSET_size statx_offsetof (stx_size)
2465#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2466#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2467#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2468#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2469#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2470#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2471
2472U32
2473stx_mask ()
2474 PROTOTYPE:
2475 ALIAS:
2476 stx_mask = STATX_OFFSET_mask
2477 stx_blksize = STATX_OFFSET_blksize
2478 stx_nlink = STATX_OFFSET_nlink
2479 stx_uid = STATX_OFFSET_uid
2480 stx_gid = STATX_OFFSET_gid
2481 stx_rdev_major = STATX_OFFSET_rdev_major
2482 stx_rdev_minor = STATX_OFFSET_rdev_minor
2483 stx_dev_major = STATX_OFFSET_dev_major
2484 stx_dev_minor = STATX_OFFSET_dev_minor
2485 CODE:
2486#if HAVE_STATX
2487 RETVAL = *(__u32 *)((char *)&stx + ix);
2488#else
2489 XSRETURN_UNDEF;
2490#endif
2491 OUTPUT:
2492 RETVAL
2493
2494VAL64
2495stx_attributes ()
2496 PROTOTYPE:
2497 ALIAS:
2498 stx_attributes = STATX_OFFSET_attributes
2499 stx_ino = STATX_OFFSET_ino
2500 stx_size = STATX_OFFSET_size
2501 stx_blocks = STATX_OFFSET_blocks
2502 stx_attributes_mask = STATX_OFFSET_attributes_mask
2503 CODE:
2504#if HAVE_STATX
2505 RETVAL = *(__u64 *)((char *)&stx + ix);
2506#else
2507 XSRETURN_UNDEF;
2508#endif
2509 OUTPUT:
2510 RETVAL
2511
2512NV
2513stx_atime ()
2514 PROTOTYPE:
2515 ALIAS:
2516 stx_atime = STATX_OFFSET_atime
2517 stx_btime = STATX_OFFSET_btime
2518 stx_ctime = STATX_OFFSET_ctime
2519 stx_mtime = STATX_OFFSET_mtime
2520 CODE:
2521#if HAVE_STATX
2522 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2523 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2524#else
2525 XSRETURN_UNDEF;
2526#endif
2527 OUTPUT:
2528 RETVAL
2529
2530VAL64
2531stx_atimesec ()
2532 PROTOTYPE:
2533 ALIAS:
2534 stx_atimesec = STATX_OFFSET_atime
2535 stx_btimesec = STATX_OFFSET_btime
2536 stx_ctimesec = STATX_OFFSET_ctime
2537 stx_mtimesec = STATX_OFFSET_mtime
2538 CODE:
2539#if HAVE_STATX
2540 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2541 RETVAL = ts->tv_sec;
2542#else
2543 XSRETURN_UNDEF;
2544#endif
2545 OUTPUT:
2546 RETVAL
2547
2548U32
2549stx_atimensec ()
2550 PROTOTYPE:
2551 ALIAS:
2552 stx_atimensec = STATX_OFFSET_atime
2553 stx_btimensec = STATX_OFFSET_btime
2554 stx_ctimensec = STATX_OFFSET_ctime
2555 stx_mtimensec = STATX_OFFSET_mtime
2556 CODE:
2557#if HAVE_STATX
2558 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2559 RETVAL = ts->tv_nsec;
2560#else
2561 RETVAL = 0;
2562#endif
2563 OUTPUT:
2564 RETVAL
2565
2566void
2567accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2568 PPCODE:
2569{
2570 SV *retval;
2571#if HAVE_ACCEPT4
2572 socklen_t salen_ = salen ? salen + 1 : 0;
2573
2574 if (salen)
2575 {
2576 sv_upgrade (sockaddr, SVt_PV);
2577 sv_grow (sockaddr, salen_);
2578 }
2579
2580 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2581
2582 retval = newmortalFH (res, O_RDWR);
2583
2584 if (res >= 0 && salen > 0)
2585 {
2586 if (salen_ > salen + 1)
2587 salen_ = salen + 1;
2588
2589 SvPOK_only (sockaddr);
2590 SvCUR_set (sockaddr, salen_);
2591 }
2592#else
2593 errno = ENOSYS;
2594 retval = &PL_sv_undef;
2595#endif
2596 XPUSHs (retval);
2597}
2598
2599ssize_t
2600splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2601 CODE:
2602{
2603#if HAVE_LINUX_SPLICE
2604 loff_t off_in_, off_out_;
2605 RETVAL = splice (
2606 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2607 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2608 length, flags
2609 );
2610#else
2611 RETVAL = EIO_ENOSYS ();
2612#endif
2613}
2614 OUTPUT:
2615 RETVAL
2616
2617ssize_t
2618tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2619 CODE:
2620#if HAVE_LINUX_SPLICE
2621 RETVAL = tee (rfh, wfh, length, flags);
2622#else
2623 RETVAL = EIO_ENOSYS ();
2624#endif
2625 OUTPUT:
2626 RETVAL
2627
2628int
2629pipesize (aio_rfd rfh, int new_size = -1)
2630 PROTOTYPE: $;$
2631 CODE:
2632#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2633 if (new_size >= 0)
2634 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2635 else
2636 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2637#else
2638 errno = ENOSYS;
2639 RETVAL = -1;
2640#endif
2641 OUTPUT:
2642 RETVAL
2643
2644void
2645pipe2 (int flags = 0)
2646 PROTOTYPE: ;$
2647 PPCODE:
2648{
2649 int fd[2];
2650 int res;
2651
2652 if (flags)
2653#if HAVE_PIPE2
2654 res = pipe2 (fd, flags);
2655#else
2656 res = (errno = ENOSYS, -1);
2657#endif
2658 else
2659 res = pipe (fd);
2660
2661 if (!res)
2662 {
2663 EXTEND (SP, 2);
2664 PUSHs (newmortalFH (fd[0], O_RDONLY));
2665 PUSHs (newmortalFH (fd[1], O_WRONLY));
2666 }
2667}
2668
2669void
2670pidfd_open (int pid, unsigned int flags = 0)
2671 PPCODE:
2672{
2673 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2674 int fd = syscall (SYS_pidfd_open, pid, flags);
2675 XPUSHs (newmortalFH (fd, O_RDWR));
2676}
2677
2678int
2679pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2680 PPCODE:
2681{
2682 int res;
2683 siginfo_t si = { 0 };
2684
2685 if (SvOK (siginfo))
2686 {
2687 HV *hv;
2688 SV **svp;
2689
2690 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2691 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2692
2693 hv = (HV *)SvRV (siginfo);
2694
2695 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2696 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2697 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2698 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2699 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2700 }
2701
2702 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2703 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2704
2705 XPUSHs (sv_2mortal (newSViv (res)));
2706}
2707
2708void
2709pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2710 PPCODE:
2711{
2712 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2713 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2714 XPUSHs (newmortalFH (fd, O_RDWR));
2715}
2716
2717void
2718eventfd (unsigned int initval = 0, int flags = 0)
2719 PPCODE:
2720{
2721 int fd;
2722#if HAVE_EVENTFD
2723 fd = eventfd (initval, flags);
2724#else
2725 fd = (errno = ENOSYS, -1);
2726#endif
2727
2728 XPUSHs (newmortalFH (fd, O_RDWR));
2729}
2730
2731void
2732timerfd_create (int clockid, int flags = 0)
2733 PPCODE:
2734{
2735 int fd;
2736#if HAVE_TIMERFD
2737 fd = timerfd_create (clockid, flags);
2738#else
2739 fd = (errno = ENOSYS, -1);
2740#endif
2741
2742 XPUSHs (newmortalFH (fd, O_RDWR));
2743}
2744
2745void
2746timerfd_settime (SV *fh, int flags, NV interval, NV value)
2747 PPCODE:
2748{
2749 int fd = s_fileno_croak (fh, 0);
2750#if HAVE_TIMERFD
2751 int res;
2752 struct itimerspec its, ots;
2753
2754 ts_set (&its.it_interval, interval);
2755 ts_set (&its.it_value , value);
2756 res = timerfd_settime (fd, flags, &its, &ots);
2757
2758 if (!res)
2759 {
2760 EXTEND (SP, 2);
2761 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2762 PUSHs (newSVnv (ts_get (&ots.it_value)));
2763 }
2764#else
2765 errno = ENOSYS;
2766#endif
2767}
2768
2769void
2770timerfd_gettime (SV *fh)
2771 PPCODE:
2772{
2773 int fd = s_fileno_croak (fh, 0);
2774#if HAVE_TIMERFD
2775 int res;
2776 struct itimerspec ots;
2777 res = timerfd_gettime (fd, &ots);
2778
2779 if (!res)
2780 {
2781 EXTEND (SP, 2);
2782 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2783 PUSHs (newSVnv (ts_get (&ots.it_value)));
2784 }
2785#else
2786 errno = ENOSYS;
2787#endif
2788}
2789
2790void
2791memfd_create (SV8 *pathname, int flags = 0)
2792 PPCODE:
2793{
2794 int fd;
2795#if HAVE_MEMFD_CREATE
2796 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2797#else
2798 fd = (errno = ENOSYS, -1);
2799#endif
2800
2801 XPUSHs (newmortalFH (fd, O_RDWR));
2802}
2803
2804UV
2805get_fdlimit ()
2806 CODE:
2807#if HAVE_RLIMITS
2808 struct rlimit rl;
2809 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2810 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2811#endif
2812 XSRETURN_UNDEF;
2813 OUTPUT:
2814 RETVAL
2815
2816void
2817min_fdlimit (UV limit = 0x7fffffffU)
2818 CODE:
2819{
2820#if HAVE_RLIMITS
2821 struct rlimit rl;
2822 rlim_t orig_rlim_max;
2823 UV bit;
2824
2825 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2826 goto fail;
2827
2828 if (rl.rlim_cur == RLIM_INFINITY)
2829 XSRETURN_YES;
2830
2831 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2832
2833 if (rl.rlim_cur < limit)
2834 {
2835 rl.rlim_cur = limit;
2836
2837 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2838 rl.rlim_max = rl.rlim_cur;
2839 }
2840
2841 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2842 XSRETURN_YES;
2843
2844 if (errno == EPERM)
2845 {
2846 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2847 /* our limit overflows a system-wide limit */
2848 /* try an adaptive algorithm, but do not lower the hardlimit */
2849 rl.rlim_max = 0;
2850 for (bit = 0x40000000U; bit; bit >>= 1)
2851 {
2852 rl.rlim_max |= bit;
2853 rl.rlim_cur = rl.rlim_max;
2854
2855 /* never decrease the hard limit */
2856 if (rl.rlim_max < orig_rlim_max)
2857 break;
2858
2859 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2860 rl.rlim_max &= ~bit; /* too high, remove bit again */
2861 }
2862
2863 /* now, raise the soft limit to the max permitted */
2864 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2865 {
2866 rl.rlim_cur = rl.rlim_max;
2867 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2868 errno = EPERM;
2869 }
2870 }
2871#endif
2872 fail:
2873 XSRETURN_UNDEF;
2874}
1706 2875
1707void _on_next_submit (SV *cb) 2876void _on_next_submit (SV *cb)
1708 CODE: 2877 CODE:
1709 SvREFCNT_dec (on_next_submit); 2878 SvREFCNT_dec (on_next_submit);
1710 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2879 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1711 2880
1712PROTOTYPES: DISABLE 2881PROTOTYPES: DISABLE
1713 2882
2883MODULE = IO::AIO PACKAGE = IO::AIO::WD
2884
2885BOOT:
2886{
2887 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2888 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2889}
2890
2891void
2892DESTROY (SV *self)
2893 CODE:
2894{
2895 aio_wd wd = SvAIO_WD (self);
2896#if HAVE_AT
2897 {
2898 SV *callback = &PL_sv_undef;
2899 dREQ; /* clobbers next_pri :/ */
2900 next_pri = req->pri; /* restore next_pri */
2901 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2902 req->type = EIO_WD_CLOSE;
2903 req->wd = wd;
2904 REQ_SEND;
2905 }
2906#else
2907 eio_wd_close_sync (wd);
2908#endif
2909}
2910
1714MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2911MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1715 2912
1716void 2913void
1717cancel (aio_req_ornot req) 2914cancel (aio_req_ornot req)
1718 CODE: 2915 CODE:
1719 eio_cancel (req); 2916 eio_cancel (req);
1720 2917
1721void 2918void
1722cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2919cb (aio_req_ornot req, SV *callback = NO_INIT)
1723 PPCODE: 2920 PPCODE:
1724{ 2921{
1725 if (GIMME_V != G_VOID) 2922 if (GIMME_V != G_VOID)
1726 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2923 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1727 2924
1728 if (items > 1) 2925 if (items > 1)
1729 { 2926 {
1730 SV *cb_cv =get_cb (callback); 2927 SV *cb_cv = get_cb (callback);
1731 2928
1732 SvREFCNT_dec (req->callback); 2929 SvREFCNT_dec (req->callback);
1733 req->callback = SvREFCNT_inc (cb_cv); 2930 req->callback = SvREFCNT_inc (cb_cv);
1734 } 2931 }
1735} 2932}
… …
1792limit (aio_req grp, int limit) 2989limit (aio_req grp, int limit)
1793 CODE: 2990 CODE:
1794 eio_grp_limit (grp, limit); 2991 eio_grp_limit (grp, limit);
1795 2992
1796void 2993void
1797feed (aio_req grp, SV *callback=&PL_sv_undef) 2994feed (aio_req grp, SV *callback = &PL_sv_undef)
1798 CODE: 2995 CODE:
1799{ 2996{
1800 SvREFCNT_dec (grp->sv2); 2997 SvREFCNT_dec (grp->sv2);
1801 grp->sv2 = newSVsv (callback); 2998 grp->sv2 = newSVsv (callback);
1802 grp->feed = aio_grp_feed; 2999 grp->feed = aio_grp_feed;

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