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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.205 by root, Sat Oct 1 10:53:47 2011 UTC vs.
Revision 1.274 by root, Sun Mar 10 12:16:48 2019 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
61 #undef fchmod 75 #undef fchmod
62 #undef dup 76 #undef dup
63 #undef dup2 77 #undef dup2
64 #undef abort 78 #undef abort
65 #undef pipe 79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83 #define EIO_STRUCT_STATI64
66 84
67#else 85#else
68 86
69 #include <sys/time.h> 87 #include <sys/time.h>
70 #include <sys/select.h> 88 #include <sys/select.h>
71 #include <unistd.h> 89 #include <unistd.h>
72 #include <utime.h> 90 #include <utime.h>
73 #include <signal.h> 91 #include <signal.h>
74 92
75#endif
76
77#define EIO_STRUCT_STAT Stat_t 93 #define EIO_STRUCT_STAT Stat_t
78 94
79/* use NV for 32 bit perls as it allows larger offsets */
80#if IVSIZE >= 8
81# define VAL64 IV
82# define SvVAL64 SvIV
83# define newSVval64 newSViv
84#else
85# define VAL64 NV
86# define SvVAL64 SvNV
87# define newSVval64 newSVnv
88#endif 95#endif
89 96
90/*****************************************************************************/ 97/*****************************************************************************/
91 98
92#if __GNUC__ >= 3 99#if __GNUC__ >= 3
97 104
98#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
99#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
100 107
101/*****************************************************************************/ 108/*****************************************************************************/
109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
102 171
103typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
104typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
105typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
106 175
113 STRLEN stroffset; \ 182 STRLEN stroffset; \
114 SV *self; 183 SV *self;
115 184
116#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
117 186
118#include "libeio/config.h"
119#include "libeio/eio.h" 187#include "libeio/eio.h"
120 188
121static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
122#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
123static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
124#define EIO_DESTROY(req) req_destroy (req) 192#define EIO_DESTROY(req) req_destroy (req)
125 193
126#include "libeio/eio.c" 194#include "libeio/eio.c"
127 195
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 196#if !HAVE_POSIX_FADVISE
194# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 197# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
195#endif 198#endif
196 199
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 200#if !HAVE_POSIX_MADVISE
214# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 201# 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 202#endif
291 203
292#ifndef MAP_ANONYMOUS 204#ifndef MAP_ANONYMOUS
293# ifdef MAP_ANON 205# ifdef MAP_ANON
294# define MAP_ANONYMOUS MAP_ANON 206# define MAP_ANONYMOUS MAP_ANON
295# else 207# else
296# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
297# endif 209# endif
298#endif 210#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
314 211
315#ifndef makedev 212#ifndef makedev
316# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
317#endif 214#endif
318#ifndef major 215#ifndef major
320#endif 217#endif
321#ifndef minor 218#ifndef minor
322# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
323#endif 220#endif
324 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
325#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
326# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
327#endif 229#endif
230
231/*****************************************************************************/
232
233#if !_POSIX_MAPPED_FILES
234# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
235# define munmap(addr,length) EIO_ENOSYS ()
236#endif
237
238#if !_POSIX_MEMORY_PROTECTION
239# define mprotect(addr,len,prot) EIO_ENOSYS ()
240#endif
241
242#if !MREMAP_MAYMOVE
243# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
244#endif
245
246#define FOREIGN_MAGIC PERL_MAGIC_ext
247
248static int ecb_cold
249mmap_free (pTHX_ SV *sv, MAGIC *mg)
250{
251 int old_errno = errno;
252 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
253 errno = old_errno;
254
255 mg->mg_obj = 0; /* just in case */
256
257 SvREADONLY_off (sv);
258
259 if (SvPVX (sv) != mg->mg_ptr)
260 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
261
262 SvCUR_set (sv, 0);
263 SvPVX (sv) = 0;
264 SvOK_off (sv);
265
266 return 0;
267}
268
269static MGVTBL mmap_vtbl = {
270 0, 0, 0, 0, mmap_free
271};
272
273static int ecb_cold
274sysfree_free (pTHX_ SV *sv, MAGIC *mg)
275{
276 free (mg->mg_ptr);
277 mg->mg_obj = 0; /* just in case */
278
279 SvREADONLY_off (sv);
280
281 if (SvPVX (sv) != mg->mg_ptr)
282 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
283
284 SvCUR_set (sv, 0);
285 SvPVX (sv) = 0;
286 SvOK_off (sv);
287
288 return 0;
289}
290
291static MGVTBL sysfree_vtbl = {
292 0, 0, 0, 0, sysfree_free
293};
294
295/*****************************************************************************/
296
297/* helper: set scalar to foreign ptr with custom free */
298static void
299sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
300{
301 sv_force_normal (sv);
302
303 /* we store the length in mg_obj, as namlen is I32 :/ */
304 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
305 ->mg_obj = (SV *)length;
306
307 SvUPGRADE (sv, SVt_PV); /* nop... */
308
309 if (SvLEN (sv))
310 Safefree (SvPVX (sv));
311
312 SvPVX (sv) = (char *)addr;
313 SvCUR_set (sv, length);
314 SvLEN_set (sv, 0);
315 SvPOK_only (sv);
316}
317
318static void
319sv_clear_foreign (SV *sv)
320{
321 /* todo: iterate over magic and only free ours, but of course */
322 /* the perl5porters will call that (correct) behaviour buggy */
323 sv_unmagic (sv, FOREIGN_MAGIC);
324}
325
326/*****************************************************************************/
327
328/* defines all sorts of constants to 0 unless they are already defined */
329/* also provides const_iv_ and const_niv_ macros for them */
330#include "def0.h"
331
332/*****************************************************************************/
333
334static void
335fiemap (eio_req *req)
336{
337 req->result = -1;
338
339#if HAVE_FIEMAP
340 /* assume some c99 */
341 struct fiemap *fiemap = 0;
342 size_t end_offset;
343 int count = req->int3;
344
345 req->flags |= EIO_FLAG_PTR1_FREE;
346
347 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
348 /* increase in 3.5kb steps */
349 if (count < 0)
350 count = 8;
351
352 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
353 errno = ENOMEM;
354 if (!fiemap)
355 return;
356
357 req->ptr1 = fiemap;
358
359 fiemap->fm_start = req->offs;
360 fiemap->fm_length = req->size;
361 fiemap->fm_flags = req->int2;
362 fiemap->fm_extent_count = count;
363
364 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
365 return;
366
367 if (req->int3 >= 0 /* not autosizing */
368 || !fiemap->fm_mapped_extents /* no more extents */
369 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
370 goto done;
371
372 /* else we have to loop -
373 * it would be tempting (actually I tried that first) to just query the
374 * number of extents needed, but linux often feels like not returning all
375 * extents, without telling us it left any out. this complicates
376 * this quite a bit.
377 */
378
379 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
380
381 for (;;)
382 {
383 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
384 char scratch[3072];
385 struct fiemap *incmap = (struct fiemap *)scratch;
386
387 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
388 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
389 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
390 incmap->fm_flags = fiemap->fm_flags;
391 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
392
393 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
394 return;
395
396 if (!incmap->fm_mapped_extents)
397 goto done;
398
399 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
400 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
401 errno = ENOMEM;
402 if (!fiemap)
403 return;
404
405 req->ptr1 = fiemap;
406
407 for (count = 0; count < incmap->fm_mapped_extents; ++count)
408 {
409 struct fiemap_extent *e = incmap->fm_extents + count;
410
411 if (e->fe_logical + e->fe_length >= end_offset)
412 goto done;
413
414 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
415
416 if (e->fe_flags & FIEMAP_EXTENT_LAST)
417 goto done;
418
419 }
420 }
421
422done:
423 req->result = 0;
424
425#else
426 errno = ENOSYS;
427#endif
428}
429
430/*****************************************************************************/
431
432static int close_fd; /* dummy fd to close fds via dup2 */
328 433
329enum { 434enum {
330 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 435 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
331}; 436};
332 437
371} 476}
372 477
373static SV * 478static SV *
374newSVaio_wd (aio_wd wd) 479newSVaio_wd (aio_wd wd)
375{ 480{
376 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 481 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
377} 482}
378 483
379static aio_req 484static aio_req
380SvAIO_REQ (SV *sv) 485SvAIO_REQ (SV *sv)
381{ 486{
400 || SvTYPE (SvRV (sv)) != SVt_PVMG 505 || SvTYPE (SvRV (sv)) != SVt_PVMG
401 || SvSTASH (SvRV (sv)) != aio_wd_stash) 506 || SvSTASH (SvRV (sv)) != aio_wd_stash)
402 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 507 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
403 508
404 return (aio_wd)(long)SvIVX (SvRV (sv)); 509 return (aio_wd)(long)SvIVX (SvRV (sv));
510}
511
512static SV *
513newmortalFH (int fd, int flags)
514{
515 if (fd < 0)
516 return &PL_sv_undef;
517
518 GV *gv = (GV *)sv_newmortal ();
519 char sym[64];
520 int symlen;
521
522 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
523 gv_init (gv, aio_stash, sym, symlen, 0);
524
525 symlen = snprintf (
526 sym,
527 sizeof (sym),
528 "%s&=%d",
529 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
530 fd
531 );
532
533 return do_open (gv, sym, symlen, 0, 0, 0, 0)
534 ? (SV *)gv : &PL_sv_undef;
405} 535}
406 536
407static void 537static void
408aio_grp_feed (aio_req grp) 538aio_grp_feed (aio_req grp)
409{ 539{
537 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 667 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
538 } 668 }
539 break; 669 break;
540 670
541 case EIO_OPEN: 671 case EIO_OPEN:
542 { 672 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
543 /* convert fd to fh */
544 SV *fh = &PL_sv_undef;
545
546 if (req->result >= 0)
547 {
548 GV *gv = (GV *)sv_newmortal ();
549 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
550 char sym [64];
551 int symlen;
552
553 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
554 gv_init (gv, aio_stash, sym, symlen, 0);
555
556 symlen = snprintf (
557 sym,
558 sizeof (sym),
559 "%s&=%d",
560 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
561 (int)req->result
562 );
563
564 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
565 fh = (SV *)gv;
566 }
567
568 PUSHs (fh);
569 }
570 break; 673 break;
571 674
572 case EIO_STATVFS: 675 case EIO_STATVFS:
573 case EIO_FSTATVFS: 676 case EIO_FSTATVFS:
574 { 677 {
577#ifndef _WIN32 680#ifndef _WIN32
578 if (req->result >= 0) 681 if (req->result >= 0)
579 { 682 {
580 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 683 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
581 HV *hv = newHV (); 684 HV *hv = newHV ();
685 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
686 * chooses to make it a struct.
687 */
688 unsigned long fsid = 0;
689 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
582 690
583 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 691 rv = sv_2mortal (newRV_noinc ((SV *)hv));
584 692
585 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 693 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
586 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 694 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
588 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 696 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
589 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 697 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
590 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 698 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
591 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 699 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
592 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 700 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
593 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 701 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
594 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 702 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
595 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 703 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
596 } 704 }
597#endif 705#endif
598 706
633 if (!(PL_laststatval = req->result)) 741 if (!(PL_laststatval = req->result))
634 /* if compilation fails here then perl's Stat_t is not struct _stati64 */ 742 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
635 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 743 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
636 744
637 PUSHs (sv_result); 745 PUSHs (sv_result);
746 break;
747
748 case EIO_SEEK:
749 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
638 break; 750 break;
639 751
640 case EIO_READ: 752 case EIO_READ:
641 { 753 {
642 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 754 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
645 SvSETMAGIC (req->sv2); 757 SvSETMAGIC (req->sv2);
646 PUSHs (sv_result); 758 PUSHs (sv_result);
647 } 759 }
648 break; 760 break;
649 761
762 case EIO_SLURP:
763 {
764 if (req->result >= 0)
765 {
766 /* if length was originally not known, we steal the malloc'ed memory */
767 if (req->flags & EIO_FLAG_PTR2_FREE)
768 {
769 req->flags &= ~EIO_FLAG_PTR2_FREE;
770 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
771 }
772 else
773 {
774 SvCUR_set (req->sv2, req->result);
775 *SvEND (req->sv2) = 0;
776 SvPOK_only (req->sv2);
777 }
778
779 SvSETMAGIC (req->sv2);
780 }
781
782 PUSHs (sv_result);
783 }
784 break;
785
786 case EIO_CUSTOM:
787 if (req->feed == fiemap)
788 {
789#if HAVE_FIEMAP
790 if (!req->result)
791 {
792 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
793
794 if (fiemap->fm_extent_count)
795 {
796 AV *av = newAV ();
797 int i;
798
799 while (fiemap->fm_mapped_extents)
800 {
801 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
802 AV *ext_av = newAV ();
803
804 av_store (ext_av, 3, newSVuv (extent->fe_flags));
805 av_store (ext_av, 2, newSVval64 (extent->fe_length));
806 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
807 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
808
809 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
810 }
811
812 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
813 }
814 else
815 {
816 SvIV_set (sv_result, fiemap->fm_mapped_extents);
817 PUSHs (sv_result);
818 }
819 }
820#endif
821 }
822 else
823 PUSHs (sv_result);
824 break;
825
826#if 0
827 case EIO_CLOSE:
828 PerlIOUnix_refcnt_dec (req->int1);
829 break;
830#endif
831
650 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 832 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
651 if (req->result > 0) 833 if (req->result > 0)
652 SvIV_set (sv_result, 0); 834 SvIV_set (sv_result, 0);
653 /* FALLTHROUGH */ 835 /* FALLTHROUGH */
654 836
719{ 901{
720 while (eio_nreqs ()) 902 while (eio_nreqs ())
721 { 903 {
722 int size; 904 int size;
723 905
724 X_LOCK (reslock); 906 X_LOCK (EIO_POOL->reslock);
725 size = res_queue.size; 907 size = EIO_POOL->res_queue.size;
726 X_UNLOCK (reslock); 908 X_UNLOCK (EIO_POOL->reslock);
727 909
728 if (size) 910 if (size)
729 return; 911 return;
730 912
731 etp_maybe_start_thread (); 913 etp_maybe_start_thread (EIO_POOL);
732 914
733 s_epipe_wait (&respipe); 915 s_epipe_wait (&respipe);
734 } 916 }
735} 917}
736 918
757 create_respipe (); 939 create_respipe ();
758 940
759 if (eio_init (want_poll, done_poll) < 0) 941 if (eio_init (want_poll, done_poll) < 0)
760 croak ("IO::AIO: unable to initialise eio library"); 942 croak ("IO::AIO: unable to initialise eio library");
761} 943}
762
763/*****************************************************************************/
764
765#if !_POSIX_MAPPED_FILES
766# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
767# define munmap(addr,length) (errno = ENOSYS, -1)
768#endif
769
770#if !_POSIX_MEMORY_PROTECTION
771# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
772# define PROT_NONE 0
773# define PROT_WRITE 0
774# define MAP_PRIVATE 0
775# define MAP_SHARED 0
776# define MAP_FIXED 0
777#endif
778
779#define MMAP_MAGIC PERL_MAGIC_ext
780
781static int ecb_cold
782mmap_free (pTHX_ SV *sv, MAGIC *mg)
783{
784 int old_errno = errno;
785 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
786 errno = old_errno;
787
788 mg->mg_obj = 0; /* just in case */
789
790 SvREADONLY_off (sv);
791
792 if (SvPVX (sv) != mg->mg_ptr)
793 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
794
795 SvCUR_set (sv, 0);
796 SvPVX (sv) = 0;
797 SvOK_off (sv);
798
799 return 0;
800}
801
802static MGVTBL mmap_vtbl = {
803 0, 0, 0, 0, mmap_free
804};
805 944
806/*****************************************************************************/ 945/*****************************************************************************/
807 946
808static SV * 947static SV *
809get_cb (SV *cb_sv) 948get_cb (SV *cb_sv)
864 else 1003 else
865 *wd = EIO_INVALID_WD; 1004 *wd = EIO_INVALID_WD;
866 } 1005 }
867 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) 1006 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
868 { 1007 {
869 *wd = SvIVX (rv); 1008 *wd = (aio_wd)(long)SvIVX (rv);
870 *wdsv = SvREFCNT_inc_NN (rv); 1009 *wdsv = SvREFCNT_inc_NN (rv);
871 *ptr = "."; 1010 *ptr = ".";
872 return; /* path set to "." */ 1011 return; /* path set to "." */
873 } 1012 }
874 else 1013 else
905 req_set_path1 (req, fh_or_path); 1044 req_set_path1 (req, fh_or_path);
906 break; 1045 break;
907 } 1046 }
908} 1047}
909 1048
1049/*****************************************************************************/
1050
1051static void
1052ts_set (struct timespec *ts, NV value)
1053{
1054 ts->tv_sec = value;
1055 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1056}
1057
1058static NV
1059ts_get (const struct timespec *ts)
1060{
1061 return ts->tv_sec + ts->tv_nsec * 1e-9;
1062}
1063
1064/*****************************************************************************/
1065
910XS(boot_IO__AIO) ecb_cold; 1066XS(boot_IO__AIO) ecb_cold;
911 1067
912MODULE = IO::AIO PACKAGE = IO::AIO 1068MODULE = IO::AIO PACKAGE = IO::AIO
913 1069
914PROTOTYPES: ENABLE 1070PROTOTYPES: ENABLE
920 IV iv; 1076 IV iv;
921 } *civ, const_iv[] = { 1077 } *civ, const_iv[] = {
922# define const_niv(name, value) { # name, (IV) value }, 1078# define const_niv(name, value) { # name, (IV) value },
923# define const_iv(name) { # name, (IV) name }, 1079# define const_iv(name) { # name, (IV) name },
924# define const_eio(name) { # name, (IV) EIO_ ## name }, 1080# define const_eio(name) { # name, (IV) EIO_ ## name },
1081
1082 /* you have to re-run ./gendef0 after adding/removing any constants here */
1083 /* the first block can be undef if missing */
1084 const_iv (ENOSYS)
925 const_iv (EXDEV) 1085 const_iv (EXDEV)
926 const_iv (ENOSYS) 1086 const_iv (EBADR)
1087
1088 /* for lseek */
1089 const_iv (SEEK_DATA)
1090 const_iv (SEEK_HOLE)
1091
1092 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1093 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1094 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1095 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1096 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1097 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1098
1099 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1100 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1101 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1102 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1103 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1104
1105 /* the second block will be 0 when missing */
1106 const_iv (O_ACCMODE)
1107
927 const_iv (O_RDONLY) 1108 const_iv (O_RDONLY)
928 const_iv (O_WRONLY) 1109 const_iv (O_WRONLY)
929 const_iv (O_RDWR) 1110 const_iv (O_RDWR)
930 const_iv (O_CREAT) 1111 const_iv (O_CREAT)
931 const_iv (O_TRUNC) 1112 const_iv (O_TRUNC)
944 const_iv (O_SEARCH) 1125 const_iv (O_SEARCH)
945 const_iv (O_DIRECTORY) 1126 const_iv (O_DIRECTORY)
946 const_iv (O_DSYNC) 1127 const_iv (O_DSYNC)
947 const_iv (O_RSYNC) 1128 const_iv (O_RSYNC)
948 const_iv (O_SYNC) 1129 const_iv (O_SYNC)
1130 const_iv (O_PATH)
1131 const_iv (O_TMPFILE)
949 const_iv (O_TTY_INIT) 1132 const_iv (O_TTY_INIT)
950 1133
951 const_iv (S_IFIFO) 1134 const_iv (S_IFIFO)
952 const_iv (S_IFCHR) 1135 const_iv (S_IFCHR)
953 const_iv (S_IFBLK) 1136 const_iv (S_IFBLK)
955 const_iv (S_IFREG) 1138 const_iv (S_IFREG)
956 const_iv (S_IFDIR) 1139 const_iv (S_IFDIR)
957 const_iv (S_IFWHT) 1140 const_iv (S_IFWHT)
958 const_iv (S_IFSOCK) 1141 const_iv (S_IFSOCK)
959 const_iv (S_IFMT) 1142 const_iv (S_IFMT)
960
961 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
962 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
963 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
964 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
965 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
966 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
967
968 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
969 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
970 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
971 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
972 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
973 1143
974 const_iv (ST_RDONLY) 1144 const_iv (ST_RDONLY)
975 const_iv (ST_NOSUID) 1145 const_iv (ST_NOSUID)
976 const_iv (ST_NODEV) 1146 const_iv (ST_NODEV)
977 const_iv (ST_NOEXEC) 1147 const_iv (ST_NOEXEC)
987 const_iv (PROT_NONE) 1157 const_iv (PROT_NONE)
988 const_iv (PROT_EXEC) 1158 const_iv (PROT_EXEC)
989 const_iv (PROT_READ) 1159 const_iv (PROT_READ)
990 const_iv (PROT_WRITE) 1160 const_iv (PROT_WRITE)
991 1161
992 /*const_iv (MAP_FIXED)*/
993 const_iv (MAP_PRIVATE) 1162 const_iv (MAP_PRIVATE)
994 const_iv (MAP_SHARED) 1163 const_iv (MAP_SHARED)
1164 const_iv (MAP_FIXED)
995 const_iv (MAP_ANONYMOUS) 1165 const_iv (MAP_ANONYMOUS)
996 1166
997 /* linuxish */ 1167 /* linuxish */
998 const_iv (MAP_HUGETLB)
999 const_iv (MAP_LOCKED) 1168 const_iv (MAP_LOCKED)
1000 const_iv (MAP_NORESERVE) 1169 const_iv (MAP_NORESERVE)
1001 const_iv (MAP_POPULATE) 1170 const_iv (MAP_POPULATE)
1002 const_iv (MAP_NONBLOCK) 1171 const_iv (MAP_NONBLOCK)
1172 const_iv (MAP_GROWSDOWN)
1173 const_iv (MAP_32BIT)
1174 const_iv (MAP_HUGETLB)
1175 const_iv (MAP_STACK)
1176
1177 const_iv (MREMAP_MAYMOVE)
1178 const_iv (MREMAP_FIXED)
1179
1180 const_iv (F_DUPFD_CLOEXEC)
1181
1182 const_iv (MSG_CMSG_CLOEXEC)
1183 const_iv (SOCK_CLOEXEC)
1184
1185 const_iv (F_OFD_GETLK)
1186 const_iv (F_OFD_SETLK)
1187 const_iv (F_OFD_GETLKW)
1188
1189 const_iv (FIFREEZE)
1190 const_iv (FITHAW)
1191 const_iv (FITRIM)
1192 const_iv (FICLONE)
1193 const_iv (FICLONERANGE)
1194 const_iv (FIDEDUPERANGE)
1195
1196 const_iv (FS_IOC_GETFLAGS)
1197 const_iv (FS_IOC_SETFLAGS)
1198 const_iv (FS_IOC_GETVERSION)
1199 const_iv (FS_IOC_SETVERSION)
1200 const_iv (FS_IOC_FIEMAP)
1201 const_iv (FS_IOC_FSGETXATTR)
1202 const_iv (FS_IOC_FSSETXATTR)
1203 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1204 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1205 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1206
1207 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1208
1209 const_iv (FS_SECRM_FL)
1210 const_iv (FS_UNRM_FL)
1211 const_iv (FS_COMPR_FL)
1212 const_iv (FS_SYNC_FL)
1213 const_iv (FS_IMMUTABLE_FL)
1214 const_iv (FS_APPEND_FL)
1215 const_iv (FS_NODUMP_FL)
1216 const_iv (FS_NOATIME_FL)
1217 const_iv (FS_DIRTY_FL)
1218 const_iv (FS_COMPRBLK_FL)
1219 const_iv (FS_NOCOMP_FL)
1220 const_iv (FS_ENCRYPT_FL)
1221 const_iv (FS_BTREE_FL)
1222 const_iv (FS_INDEX_FL)
1223 const_iv (FS_JOURNAL_DATA_FL)
1224 const_iv (FS_NOTAIL_FL)
1225 const_iv (FS_DIRSYNC_FL)
1226 const_iv (FS_TOPDIR_FL)
1227 const_iv (FS_FL_USER_MODIFIABLE)
1228
1229 const_iv (FS_XFLAG_REALTIME)
1230 const_iv (FS_XFLAG_PREALLOC)
1231 const_iv (FS_XFLAG_IMMUTABLE)
1232 const_iv (FS_XFLAG_APPEND)
1233 const_iv (FS_XFLAG_SYNC)
1234 const_iv (FS_XFLAG_NOATIME)
1235 const_iv (FS_XFLAG_NODUMP)
1236 const_iv (FS_XFLAG_RTINHERIT)
1237 const_iv (FS_XFLAG_PROJINHERIT)
1238 const_iv (FS_XFLAG_NOSYMLINKS)
1239 const_iv (FS_XFLAG_EXTSIZE)
1240 const_iv (FS_XFLAG_EXTSZINHERIT)
1241 const_iv (FS_XFLAG_NODEFRAG)
1242 const_iv (FS_XFLAG_FILESTREAM)
1243 const_iv (FS_XFLAG_DAX)
1244 const_iv (FS_XFLAG_HASATTR)
1245
1246 const_iv (FIEMAP_FLAG_SYNC)
1247 const_iv (FIEMAP_FLAG_XATTR)
1248 const_iv (FIEMAP_FLAGS_COMPAT)
1249 const_iv (FIEMAP_EXTENT_LAST)
1250 const_iv (FIEMAP_EXTENT_UNKNOWN)
1251 const_iv (FIEMAP_EXTENT_DELALLOC)
1252 const_iv (FIEMAP_EXTENT_ENCODED)
1253 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1254 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1255 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1256 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1257 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1258 const_iv (FIEMAP_EXTENT_MERGED)
1259 const_iv (FIEMAP_EXTENT_SHARED)
1260
1261 const_iv (SPLICE_F_MOVE)
1262 const_iv (SPLICE_F_NONBLOCK)
1263 const_iv (SPLICE_F_MORE)
1264 const_iv (SPLICE_F_GIFT)
1265
1266 const_iv (EFD_CLOEXEC)
1267 const_iv (EFD_NONBLOCK)
1268 const_iv (EFD_SEMAPHORE)
1269
1270 const_iv (CLOCK_REALTIME)
1271 const_iv (CLOCK_MONOTONIC)
1272 const_iv (CLOCK_BOOTTIME)
1273 const_iv (CLOCK_REALTIME_ALARM)
1274 const_iv (CLOCK_BOOTTIME_ALARM)
1275
1276 const_iv (TFD_NONBLOCK)
1277 const_iv (TFD_CLOEXEC)
1278
1279 const_iv (TFD_TIMER_ABSTIME)
1280 const_iv (TFD_TIMER_CANCEL_ON_SET)
1281
1282 /* these are libeio constants, and are independent of gendef0 */
1283 const_eio (SEEK_SET)
1284 const_eio (SEEK_CUR)
1285 const_eio (SEEK_END)
1003 1286
1004 const_eio (MCL_FUTURE) 1287 const_eio (MCL_FUTURE)
1005 const_eio (MCL_CURRENT) 1288 const_eio (MCL_CURRENT)
1289 const_eio (MCL_ONFAULT)
1006 1290
1007 const_eio (MS_ASYNC) 1291 const_eio (MS_ASYNC)
1008 const_eio (MS_INVALIDATE) 1292 const_eio (MS_INVALIDATE)
1009 const_eio (MS_SYNC) 1293 const_eio (MS_SYNC)
1010 1294
1013 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1297 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
1014 const_eio (SYNC_FILE_RANGE_WRITE) 1298 const_eio (SYNC_FILE_RANGE_WRITE)
1015 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1299 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1016 1300
1017 const_eio (FALLOC_FL_KEEP_SIZE) 1301 const_eio (FALLOC_FL_KEEP_SIZE)
1302 const_eio (FALLOC_FL_PUNCH_HOLE)
1303 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1304 const_eio (FALLOC_FL_ZERO_RANGE)
1305 const_eio (FALLOC_FL_INSERT_RANGE)
1306 const_eio (FALLOC_FL_UNSHARE_RANGE)
1307
1308 const_eio (RENAME_NOREPLACE)
1309 const_eio (RENAME_EXCHANGE)
1310 const_eio (RENAME_WHITEOUT)
1018 1311
1019 const_eio (READDIR_DENTS) 1312 const_eio (READDIR_DENTS)
1020 const_eio (READDIR_DIRS_FIRST) 1313 const_eio (READDIR_DIRS_FIRST)
1021 const_eio (READDIR_STAT_ORDER) 1314 const_eio (READDIR_STAT_ORDER)
1022 const_eio (READDIR_FOUND_UNKNOWN) 1315 const_eio (READDIR_FOUND_UNKNOWN)
1040 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1333 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1041 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1334 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1042 1335
1043 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1336 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1044 1337
1338 /* allocate dummy pipe fd for aio_close */
1339 {
1340 int pipefd [2];
1341
1342 if (
1343#ifdef _WIN32
1344 _pipe (pipefd, 1, _O_BINARY) < 0
1345#else
1346 pipe (pipefd) < 0
1347 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1348#endif
1349 || close (pipefd [1]) < 0
1350 )
1351 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1352
1353 close_fd = pipefd [0];
1354 }
1355
1045 reinit (); 1356 reinit ();
1046} 1357}
1047 1358
1048void 1359void
1049reinit () 1360reinit ()
1090 PROTOTYPE: $ 1401 PROTOTYPE: $
1091 CODE: 1402 CODE:
1092 max_outstanding = maxreqs; 1403 max_outstanding = maxreqs;
1093 1404
1094void 1405void
1095aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1406aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1096 PPCODE: 1407 PPCODE:
1097{ 1408{
1098 dREQ; 1409 dREQ;
1099 1410
1100 req->type = EIO_WD_OPEN; 1411 req->type = EIO_WD_OPEN;
1102 1413
1103 REQ_SEND; 1414 REQ_SEND;
1104} 1415}
1105 1416
1106void 1417void
1107aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1418aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1108 PPCODE: 1419 PPCODE:
1109{ 1420{
1110 dREQ; 1421 dREQ;
1111 1422
1112 req->type = EIO_OPEN; 1423 req->type = EIO_OPEN;
1116 1427
1117 REQ_SEND; 1428 REQ_SEND;
1118} 1429}
1119 1430
1120void 1431void
1121aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1432aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1122 ALIAS: 1433 ALIAS:
1123 aio_fsync = EIO_FSYNC 1434 aio_fsync = EIO_FSYNC
1124 aio_fdatasync = EIO_FDATASYNC 1435 aio_fdatasync = EIO_FDATASYNC
1125 aio_syncfs = EIO_SYNCFS 1436 aio_syncfs = EIO_SYNCFS
1126 PPCODE: 1437 PPCODE:
1127{ 1438{
1128 int fd = s_fileno_croak (fh, 0); 1439 int fd = s_fileno_croak (fh, 0);
1129 dREQ; 1440 dREQ;
1130 1441
1131 req->type = ix; 1442 req->type = ix;
1132 req->sv1 = newSVsv (fh); 1443 req->sv1 = newSVsv (fh);
1133 req->int1 = fd; 1444 req->int1 = fd;
1134 1445
1135 REQ_SEND (req); 1446 REQ_SEND;
1136} 1447}
1137 1448
1138void 1449void
1139aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1450aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1140 PPCODE: 1451 PPCODE:
1141{ 1452{
1142 int fd = s_fileno_croak (fh, 0); 1453 int fd = s_fileno_croak (fh, 0);
1143 dREQ; 1454 dREQ;
1144 1455
1145 req->type = EIO_SYNC_FILE_RANGE; 1456 req->type = EIO_SYNC_FILE_RANGE;
1146 req->sv1 = newSVsv (fh); 1457 req->sv1 = newSVsv (fh);
1147 req->int1 = fd; 1458 req->int1 = fd;
1148 req->offs = offset; 1459 req->offs = offset;
1149 req->size = nbytes; 1460 req->size = nbytes;
1150 req->int2 = flags; 1461 req->int2 = flags;
1151 1462
1152 REQ_SEND (req); 1463 REQ_SEND;
1153} 1464}
1154 1465
1155void 1466void
1156aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1467aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1157 PPCODE: 1468 PPCODE:
1158{ 1469{
1159 int fd = s_fileno_croak (fh, 0); 1470 int fd = s_fileno_croak (fh, 0);
1160 dREQ; 1471 dREQ;
1161 1472
1162 req->type = EIO_FALLOCATE; 1473 req->type = EIO_FALLOCATE;
1163 req->sv1 = newSVsv (fh); 1474 req->sv1 = newSVsv (fh);
1164 req->int1 = fd; 1475 req->int1 = fd;
1165 req->int2 = mode; 1476 req->int2 = mode;
1166 req->offs = offset; 1477 req->offs = offset;
1167 req->size = len; 1478 req->size = len;
1168 1479
1169 REQ_SEND (req); 1480 REQ_SEND;
1170} 1481}
1171 1482
1172void 1483void
1173aio_close (SV *fh, SV *callback=&PL_sv_undef) 1484aio_close (SV *fh, SV *callback = &PL_sv_undef)
1174 PPCODE: 1485 PPCODE:
1175{ 1486{
1176 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1177 int fd = s_fileno_croak (fh, 0); 1487 int fd = s_fileno_croak (fh, 0);
1178 dREQ; 1488 dREQ;
1489#if 0
1490 /* partially duplicate logic in s_fileno */
1491 SvGETMAGIC (fh);
1179 1492
1180 if (expect_false (close_fd < 0)) 1493 if (SvROK (fh))
1494 {
1495 fh = SvRV (fh);
1496 SvGETMAGIC (fh);
1497 }
1498
1499 if (SvTYPE (fh) == SVt_PVGV)
1181 { 1500 {
1182 int pipefd [2]; 1501 /* perl filehandle */
1502 PerlIOUnix_refcnt_inc (fd);
1503 do_close ((GV *)fh, 1);
1183 1504
1184 if ( 1505 req->type = EIO_CLOSE;
1185#ifdef _WIN32 1506 req->int1 = fd;
1186 _pipe (pipefd, 1, _O_BINARY) < 0 1507 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1187#else
1188 pipe (pipefd) < 0
1189 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1190#endif
1191 || close (pipefd [1]) < 0
1192 )
1193 abort (); /*D*/
1194
1195 close_fd = pipefd [0];
1196 } 1508 }
1197 1509 else
1510#endif
1511 {
1512 /* fd number */
1198 req->type = EIO_DUP2; 1513 req->type = EIO_DUP2;
1199 req->int1 = close_fd; 1514 req->int1 = close_fd;
1515 req->sv2 = newSVsv (fh);
1516 req->int2 = fd;
1517 }
1518
1519 REQ_SEND;
1520}
1521
1522void
1523aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1524 PPCODE:
1525{
1526 int fd = s_fileno_croak (fh, 0);
1527 dREQ;
1528
1529 req->type = EIO_SEEK;
1200 req->sv2 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
1201 req->int2 = fd; 1531 req->int1 = fd;
1532 req->offs = SvVAL64 (offset);
1533 req->int2 = whence;
1202 1534
1203 REQ_SEND (req); 1535 REQ_SEND;
1204} 1536}
1205 1537
1206void 1538void
1207aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1539aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1208 ALIAS: 1540 ALIAS:
1209 aio_read = EIO_READ 1541 aio_read = EIO_READ
1210 aio_write = EIO_WRITE 1542 aio_write = EIO_WRITE
1211 PPCODE: 1543 PPCODE:
1212{ 1544{
1228 len = svlen - dataoffset; 1560 len = svlen - dataoffset;
1229 } 1561 }
1230 else 1562 else
1231 { 1563 {
1232 /* read: check type and grow scalar as necessary */ 1564 /* read: check type and grow scalar as necessary */
1233 SvUPGRADE (data, SVt_PV); 1565 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1234 svptr = SvGROW (data, len + dataoffset + 1); 1566 svptr = sv_grow (data, len + dataoffset + 1);
1567 else if (SvCUR (data) < len + dataoffset)
1568 croak ("length + dataoffset outside of scalar, and cannot grow");
1235 } 1569 }
1236 1570
1237 { 1571 {
1238 dREQ; 1572 dREQ;
1239 1573
1255 REQ_SEND; 1589 REQ_SEND;
1256 } 1590 }
1257} 1591}
1258 1592
1259void 1593void
1594aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1595 ALIAS:
1596 aio_ioctl = EIO_IOCTL
1597 aio_fcntl = EIO_FCNTL
1598 PPCODE:
1599{
1600 int fd = s_fileno_croak (fh, 0);
1601 char *svptr;
1602
1603 if (SvPOK (arg) || !SvNIOK (arg))
1604 {
1605 STRLEN svlen;
1606 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1607#ifdef IOCPARM_LEN
1608 STRLEN need = IOCPARM_LEN (request);
1609#else
1610 STRLEN need = 256;
1611#endif
1612
1613 if (svlen < need)
1614 svptr = SvGROW (arg, need);
1615 }
1616 else
1617 svptr = (char *)SvIV (arg);
1618
1619 {
1620 dREQ;
1621
1622 req->type = ix;
1623 req->sv1 = newSVsv (fh);
1624 req->int1 = fd;
1625 req->int2 = (long)request;
1626 req->sv2 = SvREFCNT_inc (arg);
1627 req->ptr2 = svptr;
1628
1629 REQ_SEND;
1630 }
1631}
1632
1633void
1260aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1634aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1261 ALIAS: 1635 ALIAS:
1262 aio_readlink = EIO_READLINK 1636 aio_readlink = EIO_READLINK
1263 aio_realpath = EIO_REALPATH 1637 aio_realpath = EIO_REALPATH
1264 PPCODE: 1638 PPCODE:
1265{ 1639{
1270 1644
1271 REQ_SEND; 1645 REQ_SEND;
1272} 1646}
1273 1647
1274void 1648void
1275aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1649aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1276 PPCODE: 1650 PPCODE:
1277{ 1651{
1278 int ifd = s_fileno_croak (in_fh , 0); 1652 int ifd = s_fileno_croak (in_fh , 0);
1279 int ofd = s_fileno_croak (out_fh, 1); 1653 int ofd = s_fileno_croak (out_fh, 1);
1280 dREQ; 1654 dREQ;
1281 1655
1282 req->type = EIO_SENDFILE; 1656 req->type = EIO_SENDFILE;
1283 req->sv1 = newSVsv (out_fh); 1657 req->sv1 = newSVsv (out_fh);
1284 req->int1 = ofd; 1658 req->int1 = ofd;
1289 1663
1290 REQ_SEND; 1664 REQ_SEND;
1291} 1665}
1292 1666
1293void 1667void
1294aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1668aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1295 PPCODE: 1669 PPCODE:
1296{ 1670{
1297 int fd = s_fileno_croak (fh, 0); 1671 int fd = s_fileno_croak (fh, 0);
1298 dREQ; 1672 dREQ;
1299 1673
1300 req->type = EIO_READAHEAD; 1674 req->type = EIO_READAHEAD;
1301 req->sv1 = newSVsv (fh); 1675 req->sv1 = newSVsv (fh);
1302 req->int1 = fd; 1676 req->int1 = fd;
1305 1679
1306 REQ_SEND; 1680 REQ_SEND;
1307} 1681}
1308 1682
1309void 1683void
1310aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1684aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1311 ALIAS: 1685 ALIAS:
1312 aio_stat = EIO_STAT 1686 aio_stat = EIO_STAT
1313 aio_lstat = EIO_LSTAT 1687 aio_lstat = EIO_LSTAT
1314 aio_statvfs = EIO_STATVFS 1688 aio_statvfs = EIO_STATVFS
1315 PPCODE: 1689 PPCODE:
1319 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1693 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1320 1694
1321 REQ_SEND; 1695 REQ_SEND;
1322} 1696}
1323 1697
1698void
1699st_xtime ()
1700 ALIAS:
1701 st_atime = 0x01
1702 st_mtime = 0x02
1703 st_ctime = 0x04
1704 st_btime = 0x08
1705 st_xtime = 0x0f
1706 PPCODE:
1707 EXTEND (SP, 4);
1708 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1709 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1710 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1711 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1712
1713void
1714st_xtimensec ()
1715 ALIAS:
1716 st_atimensec = 0x01
1717 st_mtimensec = 0x02
1718 st_ctimensec = 0x04
1719 st_btimensec = 0x08
1720 st_xtimensec = 0x0f
1721 st_btimesec = 0x10
1722 st_gen = 0x20
1723 PPCODE:
1724 EXTEND (SP, 4);
1725 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1726 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1727 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1728 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1729 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1730 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1731
1324UV 1732UV
1325major (UV dev) 1733major (UV dev)
1326 ALIAS: 1734 ALIAS:
1327 minor = 1 1735 minor = 1
1328 CODE: 1736 CODE:
1329 RETVAL = ix ? major (dev) : minor (dev); 1737 RETVAL = ix ? minor (dev) : major (dev);
1330 OUTPUT: 1738 OUTPUT:
1331 RETVAL 1739 RETVAL
1332 1740
1333UV 1741UV
1334makedev (UV maj, UV min) 1742makedev (UV maj, UV min)
1336 RETVAL = makedev (maj, min); 1744 RETVAL = makedev (maj, min);
1337 OUTPUT: 1745 OUTPUT:
1338 RETVAL 1746 RETVAL
1339 1747
1340void 1748void
1341aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1749aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1342 PPCODE: 1750 PPCODE:
1343{ 1751{
1344 dREQ; 1752 dREQ;
1345 1753
1346 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1754 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1349 1757
1350 REQ_SEND; 1758 REQ_SEND;
1351} 1759}
1352 1760
1353void 1761void
1354aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1762aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1355 PPCODE: 1763 PPCODE:
1356{ 1764{
1357 dREQ; 1765 dREQ;
1358 1766
1359 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1767 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1361 1769
1362 REQ_SEND; 1770 REQ_SEND;
1363} 1771}
1364 1772
1365void 1773void
1366aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1774aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1367 PPCODE: 1775 PPCODE:
1368{ 1776{
1369 dREQ; 1777 dREQ;
1370 1778
1371 req->int2 = mode; 1779 req->int2 = mode;
1373 1781
1374 REQ_SEND; 1782 REQ_SEND;
1375} 1783}
1376 1784
1377void 1785void
1378aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1786aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1379 PPCODE: 1787 PPCODE:
1380{ 1788{
1381 dREQ; 1789 dREQ;
1382 1790
1383 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1791 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1386 1794
1387 REQ_SEND; 1795 REQ_SEND;
1388} 1796}
1389 1797
1390void 1798void
1391aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1799aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1392 PPCODE: 1800 PPCODE:
1393{ 1801{
1394 dREQ; 1802 dREQ;
1395 1803
1396 req->type = EIO_READDIR; 1804 req->type = EIO_READDIR;
1403 1811
1404 REQ_SEND; 1812 REQ_SEND;
1405} 1813}
1406 1814
1407void 1815void
1408aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1816aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1409 PPCODE: 1817 PPCODE:
1410{ 1818{
1411 dREQ; 1819 dREQ;
1412 1820
1413 req->type = EIO_MKDIR; 1821 req->type = EIO_MKDIR;
1416 1824
1417 REQ_SEND; 1825 REQ_SEND;
1418} 1826}
1419 1827
1420void 1828void
1421aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1829aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1422 ALIAS: 1830 ALIAS:
1423 aio_unlink = EIO_UNLINK 1831 aio_unlink = EIO_UNLINK
1424 aio_rmdir = EIO_RMDIR 1832 aio_rmdir = EIO_RMDIR
1425 aio_readdir = EIO_READDIR 1833 aio_readdir = EIO_READDIR
1426 PPCODE: 1834 PPCODE:
1432 1840
1433 REQ_SEND; 1841 REQ_SEND;
1434} 1842}
1435 1843
1436void 1844void
1437aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1845aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1438 ALIAS: 1846 ALIAS:
1439 aio_link = EIO_LINK 1847 aio_link = EIO_LINK
1440 aio_symlink = EIO_SYMLINK 1848 aio_symlink = EIO_SYMLINK
1441 aio_rename = EIO_RENAME 1849 aio_rename = EIO_RENAME
1442 PPCODE: 1850 PPCODE:
1443{ 1851{
1852 eio_wd wd2 = 0;
1444 dREQ; 1853 dREQ;
1445 eio_wd wd2 = 0;
1446 1854
1447 req->type = ix; 1855 req->type = ix;
1448 req_set_path1 (req, oldpath); 1856 req_set_path1 (req, oldpath);
1449 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1857 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1450 req->int3 = (long)wd2; 1858 req->int3 = (long)wd2;
1451 1859
1452 REQ_SEND; 1860 REQ_SEND;
1453} 1861}
1454 1862
1455void 1863void
1864aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1865 PPCODE:
1866{
1867 eio_wd wd2 = 0;
1868 dREQ;
1869
1870 req->type = EIO_RENAME;
1871 req_set_path1 (req, oldpath);
1872 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1873 req->int2 = flags;
1874 req->int3 = (long)wd2;
1875
1876 REQ_SEND;
1877}
1878
1879void
1456aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1880aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1457 PPCODE: 1881 PPCODE:
1458{ 1882{
1459 dREQ; 1883 dREQ;
1460 1884
1461 req->type = EIO_MKNOD; 1885 req->type = EIO_MKNOD;
1465 1889
1466 REQ_SEND; 1890 REQ_SEND;
1467} 1891}
1468 1892
1469void 1893void
1470aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1894aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1471 ALIAS: 1895 ALIAS:
1472 aio_mtouch = EIO_MTOUCH 1896 aio_mtouch = EIO_MTOUCH
1473 aio_msync = EIO_MSYNC 1897 aio_msync = EIO_MSYNC
1474 PPCODE: 1898 PPCODE:
1475{ 1899{
1476 STRLEN svlen; 1900 STRLEN svlen;
1477 char *svptr = SvPVbyte (data, svlen); 1901 char *svptr = SvPVbyte (data, svlen);
1478 UV len = SvUV (length); 1902 UV len = SvUV (length);
1903
1904 if (flags < 0)
1905 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1479 1906
1480 if (offset < 0) 1907 if (offset < 0)
1481 offset += svlen; 1908 offset += svlen;
1482 1909
1483 if (offset < 0 || offset > svlen) 1910 if (offset < 0 || offset > svlen)
1498 REQ_SEND; 1925 REQ_SEND;
1499 } 1926 }
1500} 1927}
1501 1928
1502void 1929void
1503aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1930aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1504 PPCODE: 1931 PPCODE:
1505{ 1932{
1506 STRLEN svlen; 1933 STRLEN svlen;
1507 char *svptr = SvPVbyte (data, svlen); 1934 char *svptr = SvPVbyte (data, svlen);
1508 UV len = SvUV (length); 1935 UV len = SvUV (length);
1527 REQ_SEND; 1954 REQ_SEND;
1528 } 1955 }
1529} 1956}
1530 1957
1531void 1958void
1532aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1959aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1533 PPCODE: 1960 PPCODE:
1534{ 1961{
1535 dREQ; 1962 dREQ;
1536 1963
1537 req->type = EIO_MLOCKALL; 1964 req->type = EIO_MLOCKALL;
1539 1966
1540 REQ_SEND; 1967 REQ_SEND;
1541} 1968}
1542 1969
1543void 1970void
1971aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1972 PPCODE:
1973{
1974 int fd = s_fileno_croak (fh, 0);
1975 dREQ;
1976
1977 req->type = EIO_CUSTOM;
1978 req->sv1 = newSVsv (fh);
1979 req->int1 = fd;
1980
1981 req->feed = fiemap;
1982#if HAVE_FIEMAP
1983 /* keep our fingers crossed that the next two types are 64 bit */
1984 req->offs = start;
1985 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
1986 req->int2 = flags;
1987 req->int3 = SvOK (count) ? SvIV (count) : -1;
1988#endif
1989
1990 REQ_SEND;
1991}
1992
1993void
1994aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1995 PPCODE:
1996{
1997 char *svptr = 0;
1998
1999 sv_clear_foreign (data);
2000
2001 if (length) /* known length, directly read into scalar */
2002 {
2003 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2004 svptr = sv_grow (data, length + 1);
2005 else if (SvCUR (data) < length)
2006 croak ("length outside of scalar, and cannot grow");
2007 else
2008 svptr = SvPVbyte_nolen (data);
2009 }
2010
2011 {
2012 dREQ;
2013
2014 req->type = EIO_SLURP;
2015 req_set_path1 (req, pathname);
2016 req->offs = offset;
2017 req->size = length;
2018 req->sv2 = SvREFCNT_inc (data);
2019 req->ptr2 = svptr;
2020
2021 if (!SvREADONLY (data))
2022 {
2023 SvREADONLY_on (data);
2024 req->flags |= FLAG_SV2_RO_OFF;
2025 }
2026
2027 REQ_SEND;
2028 }
2029}
2030
2031void
1544aio_busy (double delay, SV *callback=&PL_sv_undef) 2032aio_busy (double delay, SV *callback = &PL_sv_undef)
1545 PPCODE: 2033 PPCODE:
1546{ 2034{
1547 dREQ; 2035 dREQ;
1548 2036
1549 req->type = EIO_BUSY; 2037 req->type = EIO_BUSY;
1551 2039
1552 REQ_SEND; 2040 REQ_SEND;
1553} 2041}
1554 2042
1555void 2043void
1556aio_group (SV *callback=&PL_sv_undef) 2044aio_group (SV *callback = &PL_sv_undef)
1557 PPCODE: 2045 PPCODE:
1558{ 2046{
1559 dREQ; 2047 dREQ;
1560 2048
1561 req->type = EIO_GROUP; 2049 req->type = EIO_GROUP;
1562 2050
2051 PUTBACK;
1563 req_submit (req); 2052 req_submit (req);
2053 SPAGAIN;
2054
1564 XPUSHs (req_sv (req, aio_grp_stash)); 2055 XPUSHs (req_sv (req, aio_grp_stash));
1565} 2056}
1566 2057
1567void 2058void
1568aio_nop (SV *callback=&PL_sv_undef) 2059aio_nop (SV *callback = &PL_sv_undef)
1569 ALIAS: 2060 ALIAS:
1570 aio_nop = EIO_NOP 2061 aio_nop = EIO_NOP
1571 aio_sync = EIO_SYNC 2062 aio_sync = EIO_SYNC
1572 PPCODE: 2063 PPCODE:
1573{ 2064{
1577 2068
1578 REQ_SEND; 2069 REQ_SEND;
1579} 2070}
1580 2071
1581int 2072int
1582aioreq_pri (int pri = 0) 2073aioreq_pri (int pri = NO_INIT)
1583 CODE: 2074 CODE:
1584 RETVAL = next_pri; 2075 RETVAL = next_pri;
1585 if (items > 0) 2076 if (items > 0)
1586 { 2077 {
1587 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2078 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1677 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2168 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1678 OUTPUT: 2169 OUTPUT:
1679 RETVAL 2170 RETVAL
1680 2171
1681void 2172void
1682mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2173mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1683 PPCODE: 2174 PPCODE:
1684 sv_unmagic (scalar, MMAP_MAGIC); 2175 sv_clear_foreign (scalar);
1685{ 2176{
1686 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2177 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1687 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2178 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1688 if (addr == (void *)-1) 2179 if (addr == (void *)-1)
1689 XSRETURN_NO; 2180 XSRETURN_NO;
1690 2181
1691 sv_force_normal (scalar); 2182 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1692
1693 /* we store the length in mg_obj, as namlen is I32 :/ */
1694 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1695 ->mg_obj = (SV *)length;
1696
1697 SvUPGRADE (scalar, SVt_PV); /* nop... */
1698 2183
1699 if (!(prot & PROT_WRITE)) 2184 if (!(prot & PROT_WRITE))
1700 SvREADONLY_on (scalar); 2185 SvREADONLY_on (scalar);
1701 2186
1702 if (SvLEN (scalar))
1703 Safefree (SvPVX (scalar));
1704
1705 SvPVX (scalar) = (char *)addr;
1706 SvCUR_set (scalar, length);
1707 SvLEN_set (scalar, 0);
1708 SvPOK_only (scalar);
1709
1710 XSRETURN_YES; 2187 XSRETURN_YES;
1711} 2188}
1712 2189
1713void 2190void
1714munmap (SV *scalar) 2191munmap (SV *scalar)
1715 CODE: 2192 CODE:
1716 sv_unmagic (scalar, MMAP_MAGIC); 2193 sv_clear_foreign (scalar);
2194
2195SV *
2196mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2197 CODE:
2198{
2199 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2200 void *new;
2201
2202 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2203 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2204
2205 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2206
2207 RETVAL = &PL_sv_no;
2208
2209 if (new != (void *)-1)
2210 {
2211 RETVAL = new == (void *)mg->mg_ptr
2212 ? newSVpvn ("0 but true", 10)
2213 : &PL_sv_yes;
2214
2215 mg->mg_ptr = (char *)new;
2216 mg->mg_obj = (SV *)new_length;
2217
2218 SvPVX (scalar) = mg->mg_ptr;
2219 SvCUR_set (scalar, new_length);
2220 }
2221}
2222 OUTPUT:
2223 RETVAL
1717 2224
1718int 2225int
1719madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2226madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1720 ALIAS: 2227 ALIAS:
1721 mprotect = 1 2228 mprotect = 1
1722 CODE: 2229 CODE:
1723{ 2230{
1724 STRLEN svlen; 2231 STRLEN svlen;
1725 void *addr = SvPVbyte (scalar, svlen); 2232 void *addr = SvPVbyte (scalar, svlen);
1726 size_t len = SvUV (length); 2233 STRLEN len = SvUV (length);
1727 2234
1728 if (offset < 0) 2235 if (offset < 0)
1729 offset += svlen; 2236 offset += svlen;
1730 2237
1731 if (offset < 0 || offset > svlen) 2238 if (offset < 0 || offset > svlen)
1745} 2252}
1746 OUTPUT: 2253 OUTPUT:
1747 RETVAL 2254 RETVAL
1748 2255
1749int 2256int
1750munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2257munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1751 CODE: 2258 CODE:
1752{ 2259{
1753 STRLEN svlen; 2260 STRLEN svlen;
1754 void *addr = SvPVbyte (scalar, svlen); 2261 void *addr = SvPVbyte (scalar, svlen);
1755 size_t len = SvUV (length); 2262 size_t len = SvUV (length);
1756 2263
1757 if (offset < 0) 2264 if (offset < 0)
1758 offset += svlen; 2265 offset += svlen;
1759 2266
1766 addr = (void *)(((intptr_t)addr) + offset); 2273 addr = (void *)(((intptr_t)addr) + offset);
1767 eio_page_align (&addr, &len); 2274 eio_page_align (&addr, &len);
1768#if _POSIX_MEMLOCK_RANGE 2275#if _POSIX_MEMLOCK_RANGE
1769 RETVAL = munlock (addr, len); 2276 RETVAL = munlock (addr, len);
1770#else 2277#else
1771 RETVAL = ((errno = ENOSYS), -1); 2278 RETVAL = EIO_ENOSYS ();
1772#endif 2279#endif
1773} 2280}
1774 OUTPUT: 2281 OUTPUT:
2282 RETVAL
2283
2284int
2285mlockall (int flags)
2286 PROTOTYPE: $;
2287 CODE:
2288 RETVAL = eio_mlockall_sync (flags);
2289 OUTPUT:
1775 RETVAL 2290 RETVAL
1776 2291
1777int 2292int
1778munlockall () 2293munlockall ()
1779 CODE: 2294 CODE:
1780#if _POSIX_MEMLOCK 2295#if _POSIX_MEMLOCK
1781 munlockall (); 2296 munlockall ();
1782#else 2297#else
1783 RETVAL = -1; 2298 RETVAL = EIO_ENOSYS ();
1784 errno = ENOSYS;
1785#endif 2299#endif
1786 OUTPUT: 2300 OUTPUT:
1787 RETVAL 2301 RETVAL
2302
2303int
2304splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2305 CODE:
2306{
2307#if HAVE_LINUX_SPLICE
2308 loff_t off_in_, off_out_;
2309 RETVAL = splice (
2310 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2311 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2312 length, flags
2313 );
2314#else
2315 RETVAL = EIO_ENOSYS ();
2316#endif
2317}
2318 OUTPUT:
2319 RETVAL
2320
2321int
2322tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2323 CODE:
2324#if HAVE_LINUX_SPLICE
2325 RETVAL = tee (rfh, wfh, length, flags);
2326#else
2327 RETVAL = EIO_ENOSYS ();
2328#endif
2329 OUTPUT:
2330 RETVAL
2331
2332int
2333pipesize (aio_rfd rfh, int new_size = -1)
2334 PROTOTYPE: $;$
2335 CODE:
2336#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2337 if (new_size >= 0)
2338 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2339 else
2340 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2341#else
2342 errno = ENOSYS;
2343 RETVAL = -1;
2344#endif
2345 OUTPUT:
2346 RETVAL
2347
2348void
2349pipe2 (int flags = 0)
2350 PROTOTYPE: ;$
2351 PPCODE:
2352{
2353 int fd[2];
2354 int res;
2355
2356 if (flags)
2357#if HAVE_PIPE2
2358 res = pipe2 (fd, flags);
2359#else
2360 res = (errno = ENOSYS, -1);
2361#endif
2362 else
2363 res = pipe (fd);
2364
2365 if (!res)
2366 {
2367 EXTEND (SP, 2);
2368 PUSHs (newmortalFH (fd[0], O_RDONLY));
2369 PUSHs (newmortalFH (fd[1], O_WRONLY));
2370 }
2371}
2372
2373void
2374eventfd (unsigned int initval = 0, int flags = 0)
2375 PPCODE:
2376{
2377 int fd;
2378#if HAVE_EVENTFD
2379 fd = eventfd (initval, flags);
2380#else
2381 fd = (errno = ENOSYS, -1);
2382#endif
2383
2384 XPUSHs (newmortalFH (fd, O_RDWR));
2385}
2386
2387void
2388timerfd_create (int clockid, int flags = 0)
2389 PPCODE:
2390{
2391 int fd;
2392#if HAVE_TIMERFD
2393 fd = timerfd_create (clockid, flags);
2394#else
2395 fd = (errno = ENOSYS, -1);
2396#endif
2397
2398 XPUSHs (newmortalFH (fd, O_RDWR));
2399}
2400
2401void
2402timerfd_settime (SV *fh, int flags, NV interval, NV value)
2403 PPCODE:
2404{
2405 int fd = s_fileno_croak (fh, 0);
2406#if HAVE_TIMERFD
2407 int res;
2408 struct itimerspec its, ots;
2409
2410 ts_set (&its.it_interval, interval);
2411 ts_set (&its.it_value , value);
2412 res = timerfd_settime (fd, flags, &its, &ots);
2413
2414 if (!res)
2415 {
2416 EXTEND (SP, 2);
2417 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2418 PUSHs (newSVnv (ts_get (&ots.it_value)));
2419 }
2420#else
2421 errno = ENOSYS;
2422#endif
2423}
2424
2425void
2426timerfd_gettime (SV *fh)
2427 PPCODE:
2428{
2429 int fd = s_fileno_croak (fh, 0);
2430#if HAVE_TIMERFD
2431 int res;
2432 struct itimerspec ots;
2433 res = timerfd_gettime (fd, &ots);
2434
2435 if (!res)
2436 {
2437 EXTEND (SP, 2);
2438 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2439 PUSHs (newSVnv (ts_get (&ots.it_value)));
2440 }
2441#else
2442 errno = ENOSYS;
2443#endif
2444}
2445
2446UV
2447get_fdlimit ()
2448 CODE:
2449#if HAVE_RLIMITS
2450 struct rlimit rl;
2451 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2452 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2453#endif
2454 XSRETURN_UNDEF;
2455 OUTPUT:
2456 RETVAL
2457
2458void
2459min_fdlimit (UV limit = 0x7fffffffU)
2460 CODE:
2461{
2462#if HAVE_RLIMITS
2463 struct rlimit rl;
2464 rlim_t orig_rlim_max;
2465 UV bit;
2466
2467 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2468 goto fail;
2469
2470 if (rl.rlim_cur == RLIM_INFINITY)
2471 XSRETURN_YES;
2472
2473 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2474
2475 if (rl.rlim_cur < limit)
2476 {
2477 rl.rlim_cur = limit;
2478
2479 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2480 rl.rlim_max = rl.rlim_cur;
2481 }
2482
2483 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2484 XSRETURN_YES;
2485
2486 if (errno == EPERM)
2487 {
2488 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2489 /* our limit overflows a system-wide limit */
2490 /* try an adaptive algorithm, but do not lower the hardlimit */
2491 rl.rlim_max = 0;
2492 for (bit = 0x40000000U; bit; bit >>= 1)
2493 {
2494 rl.rlim_max |= bit;
2495 rl.rlim_cur = rl.rlim_max;
2496
2497 /* nevr decrease the hard limit */
2498 if (rl.rlim_max < orig_rlim_max)
2499 break;
2500
2501 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2502 rl.rlim_max &= ~bit; /* too high, remove bit again */
2503 }
2504
2505 /* now, raise the soft limit to the max permitted */
2506 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2507 {
2508 rl.rlim_cur = rl.rlim_max;
2509 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2510 errno = EPERM;
2511 }
2512 }
2513#endif
2514 fail:
2515 XSRETURN_UNDEF;
2516}
1788 2517
1789void _on_next_submit (SV *cb) 2518void _on_next_submit (SV *cb)
1790 CODE: 2519 CODE:
1791 SvREFCNT_dec (on_next_submit); 2520 SvREFCNT_dec (on_next_submit);
1792 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2521 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1827cancel (aio_req_ornot req) 2556cancel (aio_req_ornot req)
1828 CODE: 2557 CODE:
1829 eio_cancel (req); 2558 eio_cancel (req);
1830 2559
1831void 2560void
1832cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2561cb (aio_req_ornot req, SV *callback = NO_INIT)
1833 PPCODE: 2562 PPCODE:
1834{ 2563{
1835 if (GIMME_V != G_VOID) 2564 if (GIMME_V != G_VOID)
1836 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2565 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1837 2566
1838 if (items > 1) 2567 if (items > 1)
1839 { 2568 {
1840 SV *cb_cv =get_cb (callback); 2569 SV *cb_cv = get_cb (callback);
1841 2570
1842 SvREFCNT_dec (req->callback); 2571 SvREFCNT_dec (req->callback);
1843 req->callback = SvREFCNT_inc (cb_cv); 2572 req->callback = SvREFCNT_inc (cb_cv);
1844 } 2573 }
1845} 2574}
1902limit (aio_req grp, int limit) 2631limit (aio_req grp, int limit)
1903 CODE: 2632 CODE:
1904 eio_grp_limit (grp, limit); 2633 eio_grp_limit (grp, limit);
1905 2634
1906void 2635void
1907feed (aio_req grp, SV *callback=&PL_sv_undef) 2636feed (aio_req grp, SV *callback = &PL_sv_undef)
1908 CODE: 2637 CODE:
1909{ 2638{
1910 SvREFCNT_dec (grp->sv2); 2639 SvREFCNT_dec (grp->sv2);
1911 grp->sv2 = newSVsv (callback); 2640 grp->sv2 = newSVsv (callback);
1912 grp->feed = aio_grp_feed; 2641 grp->feed = aio_grp_feed;

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