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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 2010 UTC vs.
Revision 1.288 by root, Tue Dec 29 18:00:40 2020 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <sys/statvfs.h>
17#include <limits.h> 20#include <limits.h>
18#include <fcntl.h> 21#include <fcntl.h>
19#include <sched.h> 22#include <sched.h>
20 23
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
22# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
30# include <linux/fs.h>
31# ifdef FS_IOC_FIEMAP
32# include <linux/types.h>
33# include <linux/fiemap.h>
34# define HAVE_FIEMAP 1
35# endif
23#endif 36#endif
24 37
25/* perl namespace pollution */ 38/* perl namespace pollution */
26#undef VERSION 39#undef VERSION
27
28#ifdef _WIN32
29
30# define EIO_STRUCT_DIRENT Direntry_t
31# undef malloc
32# undef free
33
34// perl overrides all those nice win32 functions
35# undef open
36# undef read
37# undef write
38# undef send
39# undef recv
40# undef stat
41# undef fstat
42# define lstat stat
43# undef truncate
44# undef ftruncate
45# undef open
46# undef close
47# undef unlink
48# undef rmdir
49# undef rename
50# undef lseek
51
52# define chown(a,b,c) (errno = ENOSYS, -1)
53# define fchown(a,b,c) (errno = ENOSYS, -1)
54# define fchmod(a,b) (errno = ENOSYS, -1)
55# define symlink(a,b) (errno = ENOSYS, -1)
56# define readlink(a,b,c) (errno = ENOSYS, -1)
57# define mknod(a,b,c) (errno = ENOSYS, -1)
58# define truncate(a,b) (errno = ENOSYS, -1)
59# define ftruncate(fd,o) chsize ((fd), (o))
60# define fsync(fd) _commit (fd)
61# define opendir(fd) (errno = ENOSYS, 0)
62# define readdir(fd) (errno = ENOSYS, -1)
63# define closedir(fd) (errno = ENOSYS, -1)
64# define mkdir(a,b) mkdir (a)
65
66#else
67
68# include <sys/time.h>
69# include <sys/select.h>
70# include <unistd.h>
71# include <utime.h>
72# include <signal.h>
73# define EIO_STRUCT_DIRENT struct dirent
74
75#endif
76 40
77/* perl stupidly overrides readdir and maybe others */ 41/* perl stupidly overrides readdir and maybe others */
78/* with thread-unsafe versions, imagine that :( */ 42/* with thread-unsafe versions, imagine that :( */
79#undef readdir 43#undef readdir
80#undef opendir 44#undef opendir
81#undef closedir 45#undef closedir
82 46
47#ifdef _WIN32
48
49 // perl overrides all those nice libc functions
50
51 #undef malloc
52 #undef free
53 #undef open
54 #undef read
55 #undef write
56 #undef send
57 #undef recv
58 #undef stat
59 #undef lstat
60 #undef fstat
61 #undef truncate
62 #undef ftruncate
63 #undef open
64 #undef link
65 #undef close
66 #undef unlink
67 #undef mkdir
68 #undef rmdir
69 #undef rename
70 #undef lseek
71 #undef opendir
72 #undef readdir
73 #undef closedir
74 #undef chmod
75 #undef fchmod
76 #undef dup
77 #undef dup2
78 #undef abort
79 #undef pipe
80 #undef utime
81
82 #define EIO_STRUCT_STAT struct _stati64
83#define EIO_STRUCT_STAT Stat_t 83 #define EIO_STRUCT_STATI64
84 84
85/* use NV for 32 bit perls as it allows larger offsets */
86#if IVSIZE >= 8
87# define VAL64 IV
88# define SvVAL64 SvIV
89# define newSVval64 newSViv
90#else 85#else
91# define VAL64 NV 86
92# define SvVAL64 SvNV 87 #include <sys/time.h>
93# define newSVval64 newSVnv 88 #include <sys/select.h>
89 #include <sys/wait.h>
90 #include <unistd.h>
91 #include <utime.h>
92 #include <signal.h>
93
94 #define EIO_STRUCT_STAT Stat_t
95
94#endif 96#endif
95 97
96/*****************************************************************************/ 98/*****************************************************************************/
97 99
98#if __GNUC__ >= 3 100#if __GNUC__ >= 3
104#define expect_false(expr) expect ((expr) != 0, 0) 106#define expect_false(expr) expect ((expr) != 0, 0)
105#define expect_true(expr) expect ((expr) != 0, 1) 107#define expect_true(expr) expect ((expr) != 0, 1)
106 108
107/*****************************************************************************/ 109/*****************************************************************************/
108 110
111#include "config.h"
112
113#if HAVE_SYS_MKDEV_H
114# include <sys/mkdev.h>
115#elif HAVE_SYS_SYSMACROS_H
116# include <sys/sysmacros.h>
117#endif
118
119#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
120# include <sys/mman.h>
121#endif
122
123#if HAVE_SYS_UIO_H
124# include <sys/uio.h>
125#endif
126
127#if HAVE_ST_XTIMENSEC
128# define ATIMENSEC PL_statcache.st_atimensec
129# define MTIMENSEC PL_statcache.st_mtimensec
130# define CTIMENSEC PL_statcache.st_ctimensec
131#elif HAVE_ST_XTIMESPEC
132# define ATIMENSEC PL_statcache.st_atim.tv_nsec
133# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
134# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
135#else
136# define ATIMENSEC 0
137# define MTIMENSEC 0
138# define CTIMENSEC 0
139#endif
140
141#if HAVE_ST_BIRTHTIMENSEC
142# define BTIMESEC PL_statcache.st_birthtime
143# define BTIMENSEC PL_statcache.st_birthtimensec
144#elif HAVE_ST_BIRTHTIMESPEC
145# define BTIMESEC PL_statcache.st_birthtim.tv_sec
146# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
147#else
148# define BTIMESEC 0
149# define BTIMENSEC 0
150#endif
151
152#if HAVE_ST_GEN
153# define ST_GEN PL_statcache.st_gen
154#else
155# define ST_GEN 0
156#endif
157
158#include "schmorp.h"
159
160#if HAVE_EVENTFD
161# include <sys/eventfd.h>
162#endif
163
164#if HAVE_TIMERFD
165# include <sys/timerfd.h>
166#endif
167
168#if HAVE_RLIMITS
169 #include <sys/time.h>
170 #include <sys/resource.h>
171#endif
172
109typedef SV SV8; /* byte-sv, used for argument-checking */ 173typedef SV SV8; /* byte-sv, used for argument-checking */
110typedef int aio_rfd; /* read file desriptor */ 174typedef int aio_rfd; /* read file desriptor */
111typedef int aio_wfd; /* write file descriptor */ 175typedef int aio_wfd; /* write file descriptor */
112 176
113static HV *aio_stash, *aio_req_stash, *aio_grp_stash; 177static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
114 178
115#define EIO_REQ_MEMBERS \ 179#define EIO_REQ_MEMBERS \
116 SV *callback; \ 180 SV *callback; \
117 SV *sv1, *sv2; \ 181 SV *sv1, *sv2; \
182 SV *sv3, *sv4; \
118 STRLEN stroffset; \ 183 STRLEN stroffset; \
119 SV *self; 184 SV *self;
120 185
121#define EIO_NO_WRAPPERS 1 186#define EIO_NO_WRAPPERS 1
122 187
123#include "libeio/eio.h" 188#include "libeio/eio.h"
124 189
125#ifndef POSIX_FADV_NORMAL 190static int req_invoke (eio_req *req);
126# define POSIX_FADV_NORMAL 0 191#define EIO_FINISH(req) req_invoke (req)
127# define NO_FADVISE 1 192static void req_destroy (eio_req *grp);
128#endif 193#define EIO_DESTROY(req) req_destroy (req)
129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0
131#endif
132#ifndef POSIX_FADV_RANDOM
133# define POSIX_FADV_RANDOM 0
134#endif
135#ifndef POSIX_FADV_NOREUSE
136# define POSIX_FADV_NOREUSE 0
137#endif
138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0
140#endif
141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0
143#endif
144 194
145#ifndef POSIX_MADV_NORMAL 195#include "libeio/eio.c"
146# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif
149#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0
151#endif
152#ifndef POSIX_MADV_RANDOM
153# define POSIX_MADV_RANDOM 0
154#endif
155#ifndef POSIX_MADV_WILLNEED
156# define POSIX_MADV_WILLNEED 0
157#endif
158#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0
160#endif
161 196
162#ifndef ST_NODEV 197#if !HAVE_POSIX_FADVISE
163# define ST_NODEV 0 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
164#endif 199#endif
165#ifndef ST_NOEXEC
166# define ST_NOEXEC 0
167#endif
168#ifndef ST_SYNCHRONOUS
169# define ST_SYNCHRONOUS 0
170#endif
171#ifndef ST_MANDLOCK
172# define ST_MANDLOCK 0
173#endif
174#ifndef ST_WRITE
175# define ST_WRITE 0
176#endif
177#ifndef ST_APPEND
178# define ST_APPEND 0
179#endif
180#ifndef ST_IMMUTABLE
181# define ST_IMMUTABLE 0
182#endif
183#ifndef ST_NOATIME
184# define ST_NOATIME 0
185#endif
186#ifndef ST_NODIRATIME
187# define ST_NODIRATIME 0
188#endif
189#ifndef ST_RELATIME
190# define ST_RELATIME 0
191#endif
192 200
193#ifndef MCL_CURRENT 201#if !HAVE_POSIX_MADVISE
194# define MCL_CURRENT 0 202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
195#endif
196#ifndef MCL_FUTURE
197# define MCL_FUTURE 0
198#endif 203#endif
199 204
200#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 206# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
203# else 208# else
204# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
205# endif 210# endif
206#endif 211#endif
207#ifndef MAP_HUGETLB
208# define MAP_HUGETLB 0
209#endif
210#ifndef MAP_LOCKED
211# define MAP_LOCKED 0
212#endif
213#ifndef MAP_NORESERVE
214# define MAP_NORESERVE 0
215#endif
216#ifndef MAP_POPULATE
217# define MAP_POPULATE 0
218#endif
219#ifndef MAP_NONBLOCK
220# define MAP_NONBLOCK 0
221#endif
222 212
213#ifndef makedev
214# define makedev(maj,min) (((maj) << 8) | (min))
215#endif
216#ifndef major
217# define major(dev) ((dev) >> 8)
218#endif
219#ifndef minor
220# define minor(dev) ((dev) & 0xff)
221#endif
222
223/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
224#ifdef __sun
223#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
224# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 230#endif
226 231
227static int req_invoke (eio_req *req); 232#if HAVE_SYSCALL
228#define EIO_FINISH(req) req_invoke (req) 233#include <sys/syscall.h>
229static void req_destroy (eio_req *grp); 234#else
230#define EIO_DESTROY(req) req_destroy (req) 235# define syscall(nr,...) (errno = ENOSYS, -1)
236#endif
237
238/*****************************************************************************/
239
240#if !_POSIX_MAPPED_FILES
241# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
242# define munmap(addr,length) EIO_ENOSYS ()
243#endif
244
245#if !_POSIX_MEMORY_PROTECTION
246# define mprotect(addr,len,prot) EIO_ENOSYS ()
247#endif
248
249#if !MREMAP_MAYMOVE
250# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
251#endif
252
253#define FOREIGN_MAGIC PERL_MAGIC_ext
254
255static int ecb_cold
256mmap_free (pTHX_ SV *sv, MAGIC *mg)
257{
258 int old_errno = errno;
259 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
260 errno = old_errno;
261
262 mg->mg_obj = 0; /* just in case */
263
264 SvREADONLY_off (sv);
265
266 if (SvPVX (sv) != mg->mg_ptr)
267 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
268
269 SvCUR_set (sv, 0);
270 SvPVX (sv) = 0;
271 SvOK_off (sv);
272
273 return 0;
274}
275
276static MGVTBL mmap_vtbl = {
277 0, 0, 0, 0, mmap_free
278};
279
280static int ecb_cold
281sysfree_free (pTHX_ SV *sv, MAGIC *mg)
282{
283 free (mg->mg_ptr);
284 mg->mg_obj = 0; /* just in case */
285
286 SvREADONLY_off (sv);
287
288 if (SvPVX (sv) != mg->mg_ptr)
289 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
290
291 SvCUR_set (sv, 0);
292 SvPVX (sv) = 0;
293 SvOK_off (sv);
294
295 return 0;
296}
297
298static MGVTBL sysfree_vtbl = {
299 0, 0, 0, 0, sysfree_free
300};
301
302/*****************************************************************************/
303
304/* helper: set scalar to foreign ptr with custom free */
305ecb_noinline
306static void
307sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
308{
309 sv_force_normal (sv);
310
311 /* we store the length in mg_obj, as namlen is I32 :/ */
312 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
313 ->mg_obj = (SV *)length;
314
315 SvUPGRADE (sv, SVt_PV); /* nop... */
316
317 if (SvLEN (sv))
318 Safefree (SvPVX (sv));
319
320 SvPVX (sv) = (char *)addr;
321 SvCUR_set (sv, length);
322 SvLEN_set (sv, 0);
323 SvPOK_only (sv);
324}
325
326static void
327sv_clear_foreign (SV *sv)
328{
329 /* todo: iterate over magic and only free ours, but of course */
330 /* the perl5porters will call that (correct) behaviour buggy */
331 sv_unmagic (sv, FOREIGN_MAGIC);
332}
333
334/*****************************************************************************/
335
336/* defines all sorts of constants to 0 unless they are already defined */
337/* also provides const_iv_ and const_niv_ macros for them */
338#include "def0.h"
339
340/*****************************************************************************/
341
342static void
343fiemap (eio_req *req)
344{
345 req->result = -1;
346
347#if HAVE_FIEMAP
348 /* assume some c99 */
349 struct fiemap *fiemap = 0;
350 size_t end_offset;
351 int count = req->int3;
352
353 req->flags |= EIO_FLAG_PTR1_FREE;
354
355 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
356 /* increase in fixed steps */
357 if (count < 0)
358 count = 8;
359
360 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
361 errno = ENOMEM;
362 if (!fiemap)
363 return;
364
365 req->ptr1 = fiemap;
366
367 fiemap->fm_start = req->offs;
368 fiemap->fm_length = req->size;
369 fiemap->fm_flags = req->int2;
370 fiemap->fm_extent_count = count;
371
372 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
373 return;
374
375 if (req->int3 >= 0 /* not autosizing */
376 || !fiemap->fm_mapped_extents /* no more extents */
377 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
378 goto done;
379
380 /* else we have to loop -
381 * it would be tempting (actually I tried that first) to just query the
382 * number of extents needed, but linux often feels like not returning all
383 * extents, without telling us it left any out. this complicates
384 * this quite a bit.
385 */
386
387 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
388
389 for (;;)
390 {
391 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
392 char scratch[3072];
393 struct fiemap *incmap = (struct fiemap *)scratch;
394
395 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
396 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
397 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
398 incmap->fm_flags = fiemap->fm_flags;
399 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
400
401 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
402 return;
403
404 if (!incmap->fm_mapped_extents)
405 goto done;
406
407 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
408 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
409 errno = ENOMEM;
410 if (!fiemap)
411 return;
412
413 req->ptr1 = fiemap;
414
415 for (count = 0; count < incmap->fm_mapped_extents; ++count)
416 {
417 struct fiemap_extent *e = incmap->fm_extents + count;
418
419 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
420
421 if (e->fe_logical >= end_offset)
422 goto done;
423
424 if (e->fe_flags & FIEMAP_EXTENT_LAST)
425 goto done;
426
427 }
428 }
429
430done:
431 req->result = 0;
432
433#else
434 errno = ENOSYS;
435#endif
436}
437
438/*****************************************************************************/
439
440static int close_fd; /* dummy fd to close fds via dup2 */
441
442#if HAVE_STATX
443static struct statx stx;
444#define statx_offsetof(member) offsetof (struct statx, member)
445#define eio__statx statx
446#else
447#define statx_offsetof(member) 0
448#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
449#endif
231 450
232enum { 451enum {
233 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 452 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
234}; 453};
235 454
236#include "libeio/eio.c"
237
238typedef eio_req *aio_req; 455typedef eio_req *aio_req;
239typedef eio_req *aio_req_ornot; 456typedef eio_req *aio_req_ornot;
457typedef eio_wd aio_wd;
240 458
241static SV *on_next_submit; 459static SV *on_next_submit;
242static int next_pri = EIO_PRI_DEFAULT; 460static int next_pri = EIO_PRI_DEFAULT;
243static int max_outstanding; 461static int max_outstanding;
244 462
245static s_epipe respipe; 463static s_epipe respipe;
246 464
247static void req_destroy (aio_req req); 465static void req_destroy (aio_req req);
248static void req_cancel (aio_req req); 466static void req_cancel (aio_req req);
249 467
250static void want_poll (void) 468static void
469want_poll (void)
251{ 470{
252 /* write a dummy byte to the pipe so fh becomes ready */ 471 /* write a dummy byte to the pipe so fh becomes ready */
253 s_epipe_signal (&respipe); 472 s_epipe_signal (&respipe);
254} 473}
255 474
256static void done_poll (void) 475static void
476done_poll (void)
257{ 477{
258 /* read any signals sent by the worker threads */ 478 /* read any signals sent by the worker threads */
259 s_epipe_drain (&respipe); 479 s_epipe_drain (&respipe);
260} 480}
261 481
262/* must be called at most once */ 482/* must be called at most once */
483ecb_noinline
484static SV *
263static SV *req_sv (aio_req req, HV *stash) 485req_sv (aio_req req, HV *stash)
264{ 486{
265 if (!req->self) 487 if (!req->self)
266 { 488 {
267 req->self = (SV *)newHV (); 489 req->self = (SV *)newHV ();
268 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 490 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
269 } 491 }
270 492
271 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 493 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
272} 494}
273 495
274static aio_req SvAIO_REQ (SV *sv) 496static SV *
497newSVaio_wd (aio_wd wd)
498{
499 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
500}
501
502ecb_noinline
503static aio_req
504SvAIO_REQ (SV *sv)
275{ 505{
276 MAGIC *mg; 506 MAGIC *mg;
277 507
278 if (!SvROK (sv) 508 if (!SvROK (sv)
509 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
279 || (SvSTASH (SvRV (sv)) != aio_grp_stash 510 || (SvSTASH (SvRV (sv)) != aio_grp_stash
280 && SvSTASH (SvRV (sv)) != aio_req_stash 511 && SvSTASH (SvRV (sv)) != aio_req_stash
281 && !sv_derived_from (sv, "IO::AIO::REQ"))) 512 && !sv_derived_from (sv, "IO::AIO::REQ")))
282 croak ("object of class IO::AIO::REQ expected"); 513 croak ("object of class IO::AIO::REQ expected");
283 514
284 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 515 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
285 516
286 return mg ? (aio_req)mg->mg_ptr : 0; 517 return mg ? (aio_req)mg->mg_ptr : 0;
287} 518}
288 519
520static aio_wd
521SvAIO_WD (SV *sv)
522{
523 if (!SvROK (sv)
524 || SvTYPE (SvRV (sv)) != SVt_PVMG
525 || SvSTASH (SvRV (sv)) != aio_wd_stash)
526 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
527
528 return (aio_wd)(long)SvIVX (SvRV (sv));
529}
530
531static SV *
532newmortalFH (int fd, int flags)
533{
534 if (fd < 0)
535 return &PL_sv_undef;
536
537 GV *gv = (GV *)sv_newmortal ();
538 char sym[64];
539 int symlen;
540
541 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
542 gv_init (gv, aio_stash, sym, symlen, 0);
543
544 symlen = snprintf (
545 sym,
546 sizeof (sym),
547 "%s&=%d",
548 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
549 fd
550 );
551
552 return do_open (gv, sym, symlen, 0, 0, 0, 0)
553 ? (SV *)gv : &PL_sv_undef;
554}
555
556static void
289static void aio_grp_feed (aio_req grp) 557aio_grp_feed (aio_req grp)
290{ 558{
291 if (grp->sv2 && SvOK (grp->sv2)) 559 if (grp->sv2 && SvOK (grp->sv2))
292 { 560 {
293 dSP; 561 dSP;
294 562
302 FREETMPS; 570 FREETMPS;
303 LEAVE; 571 LEAVE;
304 } 572 }
305} 573}
306 574
575ecb_noinline
576static void
307static void req_submit (eio_req *req) 577req_submit (eio_req *req)
308{ 578{
309 eio_submit (req); 579 eio_submit (req);
310 580
311 if (expect_false (on_next_submit)) 581 if (expect_false (on_next_submit))
312 { 582 {
319 PUTBACK; 589 PUTBACK;
320 call_sv (cb, G_DISCARD | G_EVAL); 590 call_sv (cb, G_DISCARD | G_EVAL);
321 } 591 }
322} 592}
323 593
594static int
324static int req_invoke (eio_req *req) 595req_invoke (eio_req *req)
325{ 596{
326 if (req->flags & FLAG_SV2_RO_OFF) 597 if (req->flags & FLAG_SV2_RO_OFF)
327 SvREADONLY_off (req->sv2); 598 SvREADONLY_off (req->sv2);
328 599
329 if (!EIO_CANCELLED (req) && req->callback) 600 if (!EIO_CANCELLED (req) && req->callback)
340 /* do not recreate the result IV from scratch each time */ 611 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 612 if (expect_true (sv_result_cache))
342 { 613 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 614 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 615 SvIV_set (sv_result, req->result);
616 SvIOK_only (sv_result);
345 } 617 }
346 else 618 else
347 { 619 {
348 sv_result = newSViv (req->result); 620 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 621 SvREADONLY_on (sv_result);
350 } 622 }
351 623
352 switch (req->type) 624 switch (req->type)
353 { 625 {
626 case EIO_WD_OPEN:
627 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
628 break;
629
354 case EIO_READDIR: 630 case EIO_READDIR:
355 { 631 {
356 SV *rv = &PL_sv_undef; 632 SV *rv = &PL_sv_undef;
357 633
358 if (req->result >= 0) 634 if (req->result >= 0)
411 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 687 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
412 } 688 }
413 break; 689 break;
414 690
415 case EIO_OPEN: 691 case EIO_OPEN:
416 { 692 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
417 /* convert fd to fh */
418 SV *fh = &PL_sv_undef;
419
420 if (req->result >= 0)
421 {
422 GV *gv = (GV *)sv_newmortal ();
423 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
424 char sym [64];
425 int symlen;
426
427 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
428 gv_init (gv, aio_stash, sym, symlen, 0);
429
430 symlen = snprintf (
431 sym,
432 sizeof (sym),
433 "%s&=%d",
434 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
435 (int)req->result
436 );
437
438 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
439 fh = (SV *)gv;
440 }
441
442 PUSHs (fh);
443 }
444 break; 693 break;
445 694
446 case EIO_STATVFS: 695 case EIO_STATVFS:
447 case EIO_FSTATVFS: 696 case EIO_FSTATVFS:
448 { 697 {
449 SV *rv = &PL_sv_undef; 698 SV *rv = &PL_sv_undef;
450 699
700#ifndef _WIN32
451 if (req->result >= 0) 701 if (req->result >= 0)
452 { 702 {
453 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 703 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
454 HV *hv = newHV (); 704 HV *hv = newHV ();
705 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
706 * chooses to make it a struct.
707 */
708 unsigned long fsid = 0;
709 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
455 710
456 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 711 rv = sv_2mortal (newRV_noinc ((SV *)hv));
457 712
458 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 713 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
459 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 714 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
461 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 716 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
462 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 717 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
463 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 718 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
464 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 719 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
465 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 720 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
466 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 721 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
467 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 722 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
468 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 723 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
469 } 724 }
725#endif
470 726
471 PUSHs (rv); 727 PUSHs (rv);
472 } 728 }
473 729
474 break; 730 break;
490 case EIO_NOP: 746 case EIO_NOP:
491 case EIO_BUSY: 747 case EIO_BUSY:
492 break; 748 break;
493 749
494 case EIO_READLINK: 750 case EIO_READLINK:
751 case EIO_REALPATH:
495 if (req->result > 0) 752 if (req->result > 0)
496 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 753 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497 break; 754 break;
498 755
499 case EIO_STAT: 756 case EIO_STAT:
500 case EIO_LSTAT: 757 case EIO_LSTAT:
501 case EIO_FSTAT: 758 case EIO_FSTAT:
502 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 759 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
760
503 PL_laststatval = req->result; 761 if (!(PL_laststatval = req->result))
762 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
504 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 763 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
764
505 PUSHs (sv_result); 765 PUSHs (sv_result);
766 break;
767
768 case EIO_SEEK:
769 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
506 break; 770 break;
507 771
508 case EIO_READ: 772 case EIO_READ:
509 { 773 {
510 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 774 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
513 SvSETMAGIC (req->sv2); 777 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 778 PUSHs (sv_result);
515 } 779 }
516 break; 780 break;
517 781
782 case EIO_SLURP:
783 {
784 if (req->result >= 0)
785 {
786 /* if length was originally not known, we steal the malloc'ed memory */
787 if (req->flags & EIO_FLAG_PTR2_FREE)
788 {
789 req->flags &= ~EIO_FLAG_PTR2_FREE;
790 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
791 }
792 else
793 {
794 SvCUR_set (req->sv2, req->result);
795 *SvEND (req->sv2) = 0;
796 SvPOK_only (req->sv2);
797 }
798
799 SvSETMAGIC (req->sv2);
800 }
801
802 PUSHs (sv_result);
803 }
804 break;
805
806 case EIO_CUSTOM:
807 if (req->feed == fiemap)
808 {
809#if HAVE_FIEMAP
810 if (!req->result)
811 {
812 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
813
814 if (fiemap->fm_extent_count)
815 {
816 AV *av = newAV ();
817 int i;
818
819 while (fiemap->fm_mapped_extents)
820 {
821 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
822 AV *ext_av = newAV ();
823
824 av_store (ext_av, 3, newSVuv (extent->fe_flags));
825 av_store (ext_av, 2, newSVval64 (extent->fe_length));
826 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
827 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
828
829 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
830 }
831
832 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
833 }
834 else
835 {
836 SvIV_set (sv_result, fiemap->fm_mapped_extents);
837 PUSHs (sv_result);
838 }
839 }
840#endif
841 }
842 else
843 PUSHs (sv_result);
844 break;
845
846#if 0
847 case EIO_CLOSE:
848 PerlIOUnix_refcnt_dec (req->int1);
849 break;
850#endif
851
518 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 852 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519 if (req->result > 0) 853 if (req->result > 0)
520 SvIV_set (sv_result, 0); 854 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 855 /* FALLTHROUGH */
522 856
523 default: 857 default:
543 } 877 }
544 878
545 return !!SvTRUE (ERRSV); 879 return !!SvTRUE (ERRSV);
546} 880}
547 881
882static void
548static void req_destroy (aio_req req) 883req_destroy (aio_req req)
549{ 884{
550 if (req->self) 885 if (req->self)
551 { 886 {
552 sv_unmagic (req->self, PERL_MAGIC_ext); 887 sv_unmagic (req->self, PERL_MAGIC_ext);
553 SvREFCNT_dec (req->self); 888 SvREFCNT_dec (req->self);
554 } 889 }
555 890
556 SvREFCNT_dec (req->sv1); 891 SvREFCNT_dec (req->sv1);
557 SvREFCNT_dec (req->sv2); 892 SvREFCNT_dec (req->sv2);
893 SvREFCNT_dec (req->sv3);
894 SvREFCNT_dec (req->sv4);
558 SvREFCNT_dec (req->callback); 895 SvREFCNT_dec (req->callback);
559 896
560 Safefree (req); 897 free (req);
561} 898}
562 899
900static void
563static void req_cancel_subs (aio_req grp) 901req_cancel_subs (aio_req grp)
564{ 902{
565 aio_req sub;
566
567 if (grp->type != EIO_GROUP) 903 if (grp->type != EIO_GROUP)
568 return; 904 return;
569 905
570 SvREFCNT_dec (grp->sv2); 906 SvREFCNT_dec (grp->sv2);
571 grp->sv2 = 0; 907 grp->sv2 = 0;
572 908
573 eio_grp_cancel (grp); 909 eio_grp_cancel (grp);
574} 910}
575 911
912ecb_cold
576static void 913static void
577create_respipe (void) 914create_respipe (void)
578{ 915{
579 if (s_epipe_renew (&respipe)) 916 if (s_epipe_renew (&respipe))
580 croak ("IO::AIO: unable to initialize result pipe"); 917 croak ("IO::AIO: unable to initialize result pipe");
581} 918}
582 919
583static void poll_wait (void) 920static void
921poll_wait (void)
584{ 922{
585 while (eio_nreqs ()) 923 while (eio_nreqs ())
586 { 924 {
587 int size; 925 int size;
588 926
589 X_LOCK (reslock); 927 X_LOCK (EIO_POOL->reslock);
590 size = res_queue.size; 928 size = EIO_POOL->res_queue.size;
591 X_UNLOCK (reslock); 929 X_UNLOCK (EIO_POOL->reslock);
592 930
593 if (size) 931 if (size)
594 return; 932 return;
595 933
596 etp_maybe_start_thread (); 934 etp_maybe_start_thread (EIO_POOL);
597 935
598 s_epipe_wait (&respipe); 936 s_epipe_wait (&respipe);
599 } 937 }
600} 938}
601 939
602static int poll_cb (void) 940static int
941poll_cb (void)
603{ 942{
604 for (;;) 943 for (;;)
605 { 944 {
606 int res = eio_poll (); 945 int res = eio_poll ();
607 946
613 952
614 poll_wait (); 953 poll_wait ();
615 } 954 }
616} 955}
617 956
618static void atfork_child (void) 957ecb_cold
958static void
959reinit (void)
619{ 960{
620 create_respipe (); 961 create_respipe ();
621}
622 962
623/*****************************************************************************/ 963 if (eio_init (want_poll, done_poll) < 0)
624 964 croak ("IO::AIO: unable to initialise eio library");
625#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (errno = ENOSYS, -1)
628#endif
629
630#define MMAP_MAGIC PERL_MAGIC_ext
631
632static int
633mmap_free (pTHX_ SV *sv, MAGIC *mg)
634{
635 int old_errno = errno;
636 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
637 errno = old_errno;
638
639 mg->mg_obj = 0; /* just in case */
640
641 SvREADONLY_off (sv);
642
643 if (SvPVX (sv) != mg->mg_ptr)
644 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
645
646 SvCUR_set (sv, 0);
647 SvPVX (sv) = 0;
648 SvOK_off (sv);
649
650 return 0;
651} 965}
652
653static MGVTBL mmap_vtbl = {
654 0, 0, 0, 0, mmap_free
655};
656 966
657/*****************************************************************************/ 967/*****************************************************************************/
658 968
659static SV * 969static SV *
660get_cb (SV *cb_sv) 970get_cb (SV *cb_sv)
661{ 971{
662 SvGETMAGIC (cb_sv); 972 SvGETMAGIC (cb_sv);
663 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 973 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
664} 974}
665 975
976ecb_noinline
977static aio_req ecb_noinline
978dreq (SV *callback)
979{
980 SV *cb_cv;
981 aio_req req;
982 int req_pri = next_pri;
983 next_pri = EIO_PRI_DEFAULT;
984
985 cb_cv = get_cb (callback);
986
987 req = calloc (sizeof (*req), 1);
988 if (!req)
989 croak ("out of memory during eio_req allocation");
990
991 req->callback = SvREFCNT_inc (cb_cv);
992 req->pri = req_pri;
993
994 return req;
995}
996
666#define dREQ \ 997#define dREQ \
667 SV *cb_cv; \ 998 aio_req req = dreq (callback); \
668 aio_req req; \
669 int req_pri = next_pri; \
670 next_pri = EIO_PRI_DEFAULT; \
671 \
672 cb_cv = get_cb (callback); \
673 \
674 Newz (0, req, 1, eio_req); \
675 if (!req) \
676 croak ("out of memory during eio_req allocation"); \
677 \
678 req->callback = SvREFCNT_inc (cb_cv); \
679 req->pri = req_pri
680 999
681#define REQ_SEND \ 1000#define REQ_SEND \
682 PUTBACK; \ 1001 PUTBACK; \
683 req_submit (req); \ 1002 req_submit (req); \
684 SPAGAIN; \ 1003 SPAGAIN; \
685 \ 1004 \
686 if (GIMME_V != G_VOID) \ 1005 if (GIMME_V != G_VOID) \
687 XPUSHs (req_sv (req, aio_req_stash)); 1006 XPUSHs (req_sv (req, aio_req_stash));
688 1007
1008/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1009ecb_inline
1010void
1011req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1012{
1013 if (expect_false (SvROK (path)))
1014 {
1015 SV *rv = SvRV (path);
1016 SV *wdob;
1017
1018 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1019 {
1020 path = AvARRAY (rv)[1];
1021 wdob = AvARRAY (rv)[0];
1022
1023 if (SvOK (wdob))
1024 {
1025 *wd = SvAIO_WD (wdob);
1026 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1027 }
1028 else
1029 *wd = EIO_INVALID_WD;
1030 }
1031 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1032 {
1033 *wd = (aio_wd)(long)SvIVX (rv);
1034 *wdsv = SvREFCNT_inc_NN (rv);
1035 *ptr = ".";
1036 return; /* path set to "." */
1037 }
1038 else
1039 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1040 }
1041
1042 *pathsv = newSVsv (path);
1043 *ptr = SvPVbyte_nolen (*pathsv);
1044}
1045
1046ecb_noinline
1047static void
1048req_set_path1 (aio_req req, SV *path)
1049{
1050 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1051}
1052
1053ecb_noinline
1054static void
1055req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1056{
1057 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1058
1059 switch (SvTYPE (rv))
1060 {
1061 case SVt_PVIO:
1062 case SVt_PVLV:
1063 case SVt_PVGV:
1064 req->type = type_fh;
1065 req->sv1 = newSVsv (fh_or_path);
1066 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1067 break;
1068
1069 default:
1070 req->type = type_path;
1071 req_set_path1 (req, fh_or_path);
1072 break;
1073 }
1074}
1075
1076/*****************************************************************************/
1077
1078static void
1079ts_set (struct timespec *ts, NV value)
1080{
1081 ts->tv_sec = value;
1082 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1083}
1084
1085static NV
1086ts_get (const struct timespec *ts)
1087{
1088 return ts->tv_sec + ts->tv_nsec * 1e-9;
1089}
1090
1091/*****************************************************************************/
1092
1093XS(boot_IO__AIO) ecb_cold;
1094
689MODULE = IO::AIO PACKAGE = IO::AIO 1095MODULE = IO::AIO PACKAGE = IO::AIO
690 1096
691PROTOTYPES: ENABLE 1097PROTOTYPES: ENABLE
692 1098
693BOOT: 1099BOOT:
697 IV iv; 1103 IV iv;
698 } *civ, const_iv[] = { 1104 } *civ, const_iv[] = {
699# define const_niv(name, value) { # name, (IV) value }, 1105# define const_niv(name, value) { # name, (IV) value },
700# define const_iv(name) { # name, (IV) name }, 1106# define const_iv(name) { # name, (IV) name },
701# define const_eio(name) { # name, (IV) EIO_ ## name }, 1107# define const_eio(name) { # name, (IV) EIO_ ## name },
1108
1109 /* you have to re-run ./gendef0 after adding/removing any constants here */
1110 /* the first block can be undef if missing */
1111 const_iv (ENOSYS)
702 const_iv (EXDEV) 1112 const_iv (EXDEV)
703 const_iv (ENOSYS) 1113 const_iv (EBADR)
1114
1115 /* for lseek */
1116 const_iv (SEEK_DATA)
1117 const_iv (SEEK_HOLE)
1118
1119 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1120 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1121 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1122 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1123 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1124 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1125
1126 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1127 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1128 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1129 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1130 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1131
1132 /* the second block will be 0 when missing */
1133 const_iv (O_ACCMODE)
1134
704 const_iv (O_RDONLY) 1135 const_iv (O_RDONLY)
705 const_iv (O_WRONLY) 1136 const_iv (O_WRONLY)
706 const_iv (O_RDWR) 1137 const_iv (O_RDWR)
707 const_iv (O_CREAT) 1138 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 1139 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 1140 const_iv (O_EXCL)
710 const_iv (O_APPEND) 1141 const_iv (O_APPEND)
711#ifndef _WIN32 1142
1143 const_iv (O_ASYNC)
1144 const_iv (O_DIRECT)
1145 const_iv (O_NOATIME)
1146
1147 const_iv (O_CLOEXEC)
1148 const_iv (O_NOCTTY)
1149 const_iv (O_NOFOLLOW)
1150 const_iv (O_NONBLOCK)
1151 const_iv (O_EXEC)
1152 const_iv (O_SEARCH)
1153 const_iv (O_DIRECTORY)
1154 const_iv (O_DSYNC)
1155 const_iv (O_RSYNC)
1156 const_iv (O_SYNC)
1157 const_iv (O_PATH)
1158 const_iv (O_TMPFILE)
1159 const_iv (O_TTY_INIT)
1160
712 const_iv (S_IFIFO) 1161 const_iv (S_IFIFO)
713#endif 1162 const_iv (S_IFCHR)
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1163 const_iv (S_IFBLK)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1164 const_iv (S_IFLNK)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1165 const_iv (S_IFREG)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1166 const_iv (S_IFDIR)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1167 const_iv (S_IFWHT)
719 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1168 const_iv (S_IFSOCK)
720 1169 const_iv (S_IFMT)
721 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
722 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
723 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
724 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
725 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
726 1170
727 const_iv (ST_RDONLY) 1171 const_iv (ST_RDONLY)
728 const_iv (ST_NOSUID) 1172 const_iv (ST_NOSUID)
729 const_iv (ST_NODEV) 1173 const_iv (ST_NODEV)
730 const_iv (ST_NOEXEC) 1174 const_iv (ST_NOEXEC)
735 const_iv (ST_IMMUTABLE) 1179 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 1180 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 1181 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 1182 const_iv (ST_RELATIME)
739 1183
1184 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 1185 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 1186 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 1187 const_iv (PROT_WRITE)
744 1188
745 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 1189 const_iv (MAP_PRIVATE)
747 const_iv (MAP_SHARED) 1190 const_iv (MAP_SHARED)
1191 const_iv (MAP_FIXED)
748 const_iv (MAP_ANONYMOUS) 1192 const_iv (MAP_ANONYMOUS)
749 1193
750 /* linuxish */ 1194 /* linuxish */
751 const_iv (MAP_HUGETLB)
752 const_iv (MAP_LOCKED) 1195 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 1196 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 1197 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 1198 const_iv (MAP_NONBLOCK)
1199 const_iv (MAP_GROWSDOWN)
1200 const_iv (MAP_32BIT)
1201 const_iv (MAP_HUGETLB)
1202 const_iv (MAP_STACK)
756 1203
1204 const_iv (MREMAP_MAYMOVE)
1205 const_iv (MREMAP_FIXED)
1206
1207 const_iv (MSG_CMSG_CLOEXEC)
1208 const_iv (SOCK_CLOEXEC)
1209
1210 const_iv (F_DUPFD_CLOEXEC)
1211
1212 const_iv (F_ADD_SEALS)
1213 const_iv (F_GET_SEALS)
1214 const_iv (F_SEAL_SEAL)
1215 const_iv (F_SEAL_SHRINK)
1216 const_iv (F_SEAL_GROW)
1217 const_iv (F_SEAL_WRITE)
1218
1219 const_iv (F_OFD_GETLK)
1220 const_iv (F_OFD_SETLK)
1221 const_iv (F_OFD_GETLKW)
1222
1223 const_iv (FIFREEZE)
1224 const_iv (FITHAW)
1225 const_iv (FITRIM)
1226 const_iv (FICLONE)
1227 const_iv (FICLONERANGE)
1228 const_iv (FIDEDUPERANGE)
1229
1230 const_iv (FS_IOC_GETFLAGS)
1231 const_iv (FS_IOC_SETFLAGS)
1232 const_iv (FS_IOC_GETVERSION)
1233 const_iv (FS_IOC_SETVERSION)
1234 const_iv (FS_IOC_FIEMAP)
1235 const_iv (FS_IOC_FSGETXATTR)
1236 const_iv (FS_IOC_FSSETXATTR)
1237 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1238 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1239 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1240
1241 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1242
1243 const_iv (FS_SECRM_FL)
1244 const_iv (FS_UNRM_FL)
1245 const_iv (FS_COMPR_FL)
1246 const_iv (FS_SYNC_FL)
1247 const_iv (FS_IMMUTABLE_FL)
1248 const_iv (FS_APPEND_FL)
1249 const_iv (FS_NODUMP_FL)
1250 const_iv (FS_NOATIME_FL)
1251 const_iv (FS_DIRTY_FL)
1252 const_iv (FS_COMPRBLK_FL)
1253 const_iv (FS_NOCOMP_FL)
1254 const_iv (FS_ENCRYPT_FL)
1255 const_iv (FS_BTREE_FL)
1256 const_iv (FS_INDEX_FL)
1257 const_iv (FS_JOURNAL_DATA_FL)
1258 const_iv (FS_NOTAIL_FL)
1259 const_iv (FS_DIRSYNC_FL)
1260 const_iv (FS_TOPDIR_FL)
1261 const_iv (FS_FL_USER_MODIFIABLE)
1262
1263 const_iv (FS_XFLAG_REALTIME)
1264 const_iv (FS_XFLAG_PREALLOC)
1265 const_iv (FS_XFLAG_IMMUTABLE)
1266 const_iv (FS_XFLAG_APPEND)
1267 const_iv (FS_XFLAG_SYNC)
1268 const_iv (FS_XFLAG_NOATIME)
1269 const_iv (FS_XFLAG_NODUMP)
1270 const_iv (FS_XFLAG_RTINHERIT)
1271 const_iv (FS_XFLAG_PROJINHERIT)
1272 const_iv (FS_XFLAG_NOSYMLINKS)
1273 const_iv (FS_XFLAG_EXTSIZE)
1274 const_iv (FS_XFLAG_EXTSZINHERIT)
1275 const_iv (FS_XFLAG_NODEFRAG)
1276 const_iv (FS_XFLAG_FILESTREAM)
1277 const_iv (FS_XFLAG_DAX)
1278 const_iv (FS_XFLAG_HASATTR)
1279
1280 const_iv (FIEMAP_FLAG_SYNC)
1281 const_iv (FIEMAP_FLAG_XATTR)
1282 const_iv (FIEMAP_FLAGS_COMPAT)
1283 const_iv (FIEMAP_EXTENT_LAST)
1284 const_iv (FIEMAP_EXTENT_UNKNOWN)
1285 const_iv (FIEMAP_EXTENT_DELALLOC)
1286 const_iv (FIEMAP_EXTENT_ENCODED)
1287 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1288 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1289 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1290 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1291 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1292 const_iv (FIEMAP_EXTENT_MERGED)
1293 const_iv (FIEMAP_EXTENT_SHARED)
1294
1295 const_iv (SPLICE_F_MOVE)
1296 const_iv (SPLICE_F_NONBLOCK)
1297 const_iv (SPLICE_F_MORE)
1298 const_iv (SPLICE_F_GIFT)
1299
1300 const_iv (EFD_CLOEXEC)
1301 const_iv (EFD_NONBLOCK)
1302 const_iv (EFD_SEMAPHORE)
1303
1304 const_iv (MFD_CLOEXEC)
1305 const_iv (MFD_ALLOW_SEALING)
1306 const_iv (MFD_HUGETLB)
1307
1308 const_iv (CLOCK_REALTIME)
1309 const_iv (CLOCK_MONOTONIC)
1310 const_iv (CLOCK_BOOTTIME)
1311 const_iv (CLOCK_REALTIME_ALARM)
1312 const_iv (CLOCK_BOOTTIME_ALARM)
1313
1314 const_iv (TFD_NONBLOCK)
1315 const_iv (TFD_CLOEXEC)
1316
1317 const_iv (TFD_TIMER_ABSTIME)
1318 const_iv (TFD_TIMER_CANCEL_ON_SET)
1319
1320 const_iv (STATX_TYPE)
1321 const_iv (STATX_MODE)
1322 const_iv (STATX_NLINK)
1323 const_iv (STATX_UID)
1324 const_iv (STATX_GID)
1325 const_iv (STATX_ATIME)
1326 const_iv (STATX_MTIME)
1327 const_iv (STATX_CTIME)
1328 const_iv (STATX_INO)
1329 const_iv (STATX_SIZE)
1330 const_iv (STATX_BLOCKS)
1331 const_iv (STATX_BASIC_STATS)
1332 const_iv (STATX_ALL)
1333 const_iv (STATX_BTIME)
1334 const_iv (STATX_ATTR_COMPRESSED)
1335 const_iv (STATX_ATTR_IMMUTABLE)
1336 const_iv (STATX_ATTR_APPEND)
1337 const_iv (STATX_ATTR_NODUMP)
1338 const_iv (STATX_ATTR_ENCRYPTED)
1339 const_iv (STATX_ATTR_AUTOMOUNT)
1340
1341 const_iv (AT_FDCWD)
1342 const_iv (AT_SYMLINK_NOFOLLOW)
1343 const_iv (AT_EACCESS)
1344 const_iv (AT_REMOVEDIR)
1345 const_iv (AT_SYMLINK_FOLLOW)
1346 const_iv (AT_NO_AUTOMOUNT)
1347 const_iv (AT_EMPTY_PATH)
1348 const_iv (AT_STATX_SYNC_TYPE)
1349 const_iv (AT_STATX_AS_STAT)
1350 const_iv (AT_STATX_FORCE_SYNC)
1351 const_iv (AT_STATX_DONT_SYNC)
1352 const_iv (AT_RECURSIVE)
1353
1354 const_iv (OPEN_TREE_CLONE)
1355
1356 const_iv (FSOPEN_CLOEXEC)
1357
1358 const_iv (FSPICK_CLOEXEC)
1359 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1360 const_iv (FSPICK_NO_AUTOMOUNT)
1361 const_iv (FSPICK_EMPTY_PATH)
1362
1363 const_iv (MOVE_MOUNT_F_SYMLINKS)
1364 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1365 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1366 const_iv (MOVE_MOUNT_T_SYMLINKS)
1367 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1368 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1369
1370 /* waitid */
1371 const_iv (P_PID)
1372 const_iv (P_PIDFD)
1373 const_iv (P_PGID)
1374 const_iv (P_ALL)
1375
1376 const_iv (FSCONFIG_SET_FLAG)
1377 const_iv (FSCONFIG_SET_STRING)
1378 const_iv (FSCONFIG_SET_BINARY)
1379 const_iv (FSCONFIG_SET_PATH)
1380 const_iv (FSCONFIG_SET_PATH_EMPTY)
1381 const_iv (FSCONFIG_SET_FD)
1382 const_iv (FSCONFIG_CMD_CREATE)
1383 const_iv (FSCONFIG_CMD_RECONFIGURE)
1384
1385 const_iv (MOUNT_ATTR_RDONLY)
1386 const_iv (MOUNT_ATTR_NOSUID)
1387 const_iv (MOUNT_ATTR_NODEV)
1388 const_iv (MOUNT_ATTR_NOEXEC)
1389 const_iv (MOUNT_ATTR__ATIME)
1390 const_iv (MOUNT_ATTR_RELATIME)
1391 const_iv (MOUNT_ATTR_NOATIME)
1392 const_iv (MOUNT_ATTR_STRICTATIME)
1393 const_iv (MOUNT_ATTR_NODIRATIME)
1394
1395 /* these are libeio constants, and are independent of gendef0 */
1396 const_eio (SEEK_SET)
1397 const_eio (SEEK_CUR)
1398 const_eio (SEEK_END)
1399
757 const_iv (MCL_FUTURE) 1400 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 1401 const_eio (MCL_CURRENT)
1402 const_eio (MCL_ONFAULT)
759 1403
760 const_eio (MS_ASYNC) 1404 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 1405 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 1406 const_eio (MS_SYNC)
763 1407
764 const_eio (MT_MODIFY) 1408 const_eio (MT_MODIFY)
765 1409
766 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1410 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
767 const_eio (SYNC_FILE_RANGE_WRITE) 1411 const_eio (SYNC_FILE_RANGE_WRITE)
768 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1412 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1413
1414 const_eio (FALLOC_FL_KEEP_SIZE)
1415 const_eio (FALLOC_FL_PUNCH_HOLE)
1416 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1417 const_eio (FALLOC_FL_ZERO_RANGE)
1418 const_eio (FALLOC_FL_INSERT_RANGE)
1419 const_eio (FALLOC_FL_UNSHARE_RANGE)
1420
1421 const_eio (RENAME_NOREPLACE)
1422 const_eio (RENAME_EXCHANGE)
1423 const_eio (RENAME_WHITEOUT)
769 1424
770 const_eio (READDIR_DENTS) 1425 const_eio (READDIR_DENTS)
771 const_eio (READDIR_DIRS_FIRST) 1426 const_eio (READDIR_DIRS_FIRST)
772 const_eio (READDIR_STAT_ORDER) 1427 const_eio (READDIR_STAT_ORDER)
773 const_eio (READDIR_FOUND_UNKNOWN) 1428 const_eio (READDIR_FOUND_UNKNOWN)
784 }; 1439 };
785 1440
786 aio_stash = gv_stashpv ("IO::AIO" , 1); 1441 aio_stash = gv_stashpv ("IO::AIO" , 1);
787 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1442 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
788 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1443 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1444 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
789 1445
790 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1446 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
791 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1447 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
792 1448
793 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1449 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
794 1450
795 create_respipe (); 1451 /* allocate dummy pipe fd for aio_close */
1452 {
1453 int pipefd [2];
796 1454
797 if (eio_init (want_poll, done_poll) < 0) 1455 if (
798 croak ("IO::AIO: unable to initialise eio library"); 1456#ifdef _WIN32
1457 _pipe (pipefd, 1, _O_BINARY) < 0
1458#else
1459 pipe (pipefd) < 0
1460 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1461#endif
1462 || close (pipefd [1]) < 0
1463 )
1464 croak ("IO::AIO: unable to create dummy pipe for aio_close");
799 1465
800 /* atfork child called in fifo order, so before eio's handler */ 1466 close_fd = pipefd [0];
801 X_THREAD_ATFORK (0, 0, atfork_child); 1467 }
802}
803 1468
1469 reinit ();
1470}
1471
804void 1472void
1473reinit ()
1474 PROTOTYPE:
1475
1476void
805max_poll_reqs (int nreqs) 1477max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 1478 PROTOTYPE: $
807 CODE: 1479 CODE:
808 eio_set_max_poll_reqs (nreqs); 1480 eio_set_max_poll_reqs (nreqs);
809 1481
810void 1482void
812 PROTOTYPE: $ 1484 PROTOTYPE: $
813 CODE: 1485 CODE:
814 eio_set_max_poll_time (nseconds); 1486 eio_set_max_poll_time (nseconds);
815 1487
816void 1488void
817min_parallel (int nthreads) 1489min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 1490 PROTOTYPE: $
819 CODE: 1491 CODE:
820 eio_set_min_parallel (nthreads); 1492 eio_set_min_parallel (nthreads);
821 1493
822void 1494void
823max_parallel (int nthreads) 1495max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 1496 PROTOTYPE: $
825 CODE: 1497 CODE:
826 eio_set_max_parallel (nthreads); 1498 eio_set_max_parallel (nthreads);
827 1499
828void 1500void
829max_idle (int nthreads) 1501max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 1502 PROTOTYPE: $
831 CODE: 1503 CODE:
832 eio_set_max_idle (nthreads); 1504 eio_set_max_idle (nthreads);
833 1505
834void 1506void
1507idle_timeout (unsigned int seconds)
1508 PROTOTYPE: $
1509 CODE:
1510 eio_set_idle_timeout (seconds);
1511
1512void
835max_outstanding (int maxreqs) 1513max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 1514 PROTOTYPE: $
837 CODE: 1515 CODE:
838 max_outstanding = maxreqs; 1516 max_outstanding = maxreqs;
839 1517
840void 1518void
841aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1519aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
842 PROTOTYPE: $$$;$
843 PPCODE: 1520 PPCODE:
844{ 1521{
845 dREQ; 1522 dREQ;
846 1523
1524 req->type = EIO_WD_OPEN;
1525 req_set_path1 (req, pathname);
1526
1527 REQ_SEND;
1528}
1529
1530void
1531aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1532 PPCODE:
1533{
1534 dREQ;
1535
847 req->type = EIO_OPEN; 1536 req->type = EIO_OPEN;
848 req->sv1 = newSVsv (pathname); 1537 req_set_path1 (req, pathname);
849 req->ptr1 = SvPVbyte_nolen (req->sv1);
850 req->int1 = flags; 1538 req->int1 = flags;
851 req->int2 = mode; 1539 req->int2 = mode;
852 1540
853 REQ_SEND; 1541 REQ_SEND;
854} 1542}
855 1543
856void 1544void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1545aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 1546 ALIAS:
860 aio_fsync = EIO_FSYNC 1547 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 1548 aio_fdatasync = EIO_FDATASYNC
1549 aio_syncfs = EIO_SYNCFS
862 PPCODE: 1550 PPCODE:
863{ 1551{
864 int fd = s_fileno_croak (fh, 0); 1552 int fd = s_fileno_croak (fh, 0);
865 dREQ; 1553 dREQ;
866 1554
867 req->type = ix; 1555 req->type = ix;
868 req->sv1 = newSVsv (fh); 1556 req->sv1 = newSVsv (fh);
869 req->int1 = fd; 1557 req->int1 = fd;
870 1558
871 REQ_SEND (req); 1559 REQ_SEND;
872} 1560}
873 1561
874void 1562void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1563aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1564 PPCODE:
878{ 1565{
879 int fd = s_fileno_croak (fh, 0); 1566 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1567 dREQ;
881 1568
882 req->type = EIO_SYNC_FILE_RANGE; 1569 req->type = EIO_SYNC_FILE_RANGE;
883 req->sv1 = newSVsv (fh); 1570 req->sv1 = newSVsv (fh);
884 req->int1 = fd; 1571 req->int1 = fd;
885 req->offs = offset; 1572 req->offs = offset;
886 req->size = nbytes; 1573 req->size = nbytes;
887 req->int2 = flags; 1574 req->int2 = flags;
888 1575
889 REQ_SEND (req); 1576 REQ_SEND;
890} 1577}
891 1578
892void 1579void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1580aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1581 PPCODE:
896{ 1582{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1583 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1584 dREQ;
900 1585
901 if (close_pipe < 0) 1586 req->type = EIO_FALLOCATE;
1587 req->sv1 = newSVsv (fh);
1588 req->int1 = fd;
1589 req->int2 = mode;
1590 req->offs = offset;
1591 req->size = len;
1592
1593 REQ_SEND;
1594}
1595
1596void
1597aio_close (SV *fh, SV *callback = &PL_sv_undef)
1598 PPCODE:
1599{
1600 int fd = s_fileno_croak (fh, 0);
1601 dREQ;
1602#if 0
1603 /* partially duplicate logic in s_fileno */
1604 SvGETMAGIC (fh);
1605
1606 if (SvROK (fh))
1607 {
1608 fh = SvRV (fh);
1609 SvGETMAGIC (fh);
1610 }
1611
1612 if (SvTYPE (fh) == SVt_PVGV)
902 { 1613 {
903 int pipefd [2]; 1614 /* perl filehandle */
1615 PerlIOUnix_refcnt_inc (fd);
1616 do_close ((GV *)fh, 1);
904 1617
905 if (pipe (pipefd) < 0 1618 req->type = EIO_CLOSE;
906 || close (pipefd [1]) < 0 1619 req->int1 = fd;
907 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1620 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
908 abort (); /*D*/
909
910 close_pipe = pipefd [0];
911 } 1621 }
912 1622 else
1623#endif
1624 {
1625 /* fd number */
913 req->type = EIO_DUP2; 1626 req->type = EIO_DUP2;
914 req->int1 = close_pipe; 1627 req->int1 = close_fd;
1628 req->sv2 = newSVsv (fh);
1629 req->int2 = fd;
1630 }
1631
1632 REQ_SEND;
1633}
1634
1635void
1636aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1637 PPCODE:
1638{
1639 int fd = s_fileno_croak (fh, 0);
1640 dREQ;
1641
1642 req->type = EIO_SEEK;
915 req->sv2 = newSVsv (fh); 1643 req->sv1 = newSVsv (fh);
916 req->int2 = fd; 1644 req->int1 = fd;
1645 req->offs = SvVAL64 (offset);
1646 req->int2 = whence;
917 1647
918 REQ_SEND (req); 1648 REQ_SEND;
919} 1649}
920 1650
921void 1651void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1652aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
923 ALIAS: 1653 ALIAS:
924 aio_read = EIO_READ 1654 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1655 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1656 PPCODE:
928{ 1657{
929 STRLEN svlen; 1658 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1659 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1660 char *svptr = SvPVbyte (data, svlen);
944 len = svlen - dataoffset; 1673 len = svlen - dataoffset;
945 } 1674 }
946 else 1675 else
947 { 1676 {
948 /* read: check type and grow scalar as necessary */ 1677 /* read: check type and grow scalar as necessary */
949 SvUPGRADE (data, SVt_PV); 1678 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
950 svptr = SvGROW (data, len + dataoffset + 1); 1679 svptr = sv_grow (data, len + dataoffset + 1);
1680 else if (SvCUR (data) < len + dataoffset)
1681 croak ("length + dataoffset outside of scalar, and cannot grow");
951 } 1682 }
952 1683
953 { 1684 {
954 dREQ; 1685 dREQ;
955 1686
971 REQ_SEND; 1702 REQ_SEND;
972 } 1703 }
973} 1704}
974 1705
975void 1706void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1707aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
977 PROTOTYPE: $$;$ 1708 ALIAS:
1709 aio_ioctl = EIO_IOCTL
1710 aio_fcntl = EIO_FCNTL
978 PPCODE: 1711 PPCODE:
979{ 1712{
980 SV *data; 1713 int fd = s_fileno_croak (fh, 0);
1714 char *svptr;
1715
1716 if (SvPOK (arg) || !SvNIOK (arg))
1717 {
1718 STRLEN svlen;
1719 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1720#ifdef IOCPARM_LEN
1721 STRLEN need = IOCPARM_LEN (request);
1722#else
1723 STRLEN need = 256;
1724#endif
1725
1726 if (svlen < need)
1727 svptr = SvGROW (arg, need);
1728 }
1729 else
1730 svptr = (char *)SvIV (arg);
1731
1732 {
1733 dREQ;
1734
1735 req->type = ix;
1736 req->sv1 = newSVsv (fh);
1737 req->int1 = fd;
1738 req->int2 = (long)request;
1739 req->sv2 = SvREFCNT_inc (arg);
1740 req->ptr2 = svptr;
1741
1742 REQ_SEND;
1743 }
1744}
1745
1746void
1747aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1748 ALIAS:
1749 aio_readlink = EIO_READLINK
1750 aio_realpath = EIO_REALPATH
1751 PPCODE:
1752{
981 dREQ; 1753 dREQ;
982 1754
983 req->type = EIO_READLINK; 1755 req->type = ix;
984 req->sv1 = newSVsv (path); 1756 req_set_path1 (req, pathname);
985 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1757
987 REQ_SEND; 1758 REQ_SEND;
988} 1759}
989 1760
990void 1761void
991aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1762aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1763 PPCODE:
994{ 1764{
995 int ifd = s_fileno_croak (in_fh , 0); 1765 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1766 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1767 dREQ;
998 1768
999 req->type = EIO_SENDFILE; 1769 req->type = EIO_SENDFILE;
1000 req->sv1 = newSVsv (out_fh); 1770 req->sv1 = newSVsv (out_fh);
1001 req->int1 = ofd; 1771 req->int1 = ofd;
1006 1776
1007 REQ_SEND; 1777 REQ_SEND;
1008} 1778}
1009 1779
1010void 1780void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1781aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1782 PPCODE:
1014{ 1783{
1015 int fd = s_fileno_croak (fh, 0); 1784 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1785 dREQ;
1017 1786
1018 req->type = EIO_READAHEAD; 1787 req->type = EIO_READAHEAD;
1019 req->sv1 = newSVsv (fh); 1788 req->sv1 = newSVsv (fh);
1020 req->int1 = fd; 1789 req->int1 = fd;
1023 1792
1024 REQ_SEND; 1793 REQ_SEND;
1025} 1794}
1026 1795
1027void 1796void
1028aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1797aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1029 ALIAS: 1798 ALIAS:
1030 aio_stat = EIO_STAT 1799 aio_stat = EIO_STAT
1031 aio_lstat = EIO_LSTAT 1800 aio_lstat = EIO_LSTAT
1032 aio_statvfs = EIO_STATVFS 1801 aio_statvfs = EIO_STATVFS
1033 PPCODE: 1802 PPCODE:
1034{ 1803{
1035 dREQ; 1804 dREQ;
1036 1805
1037 req->sv1 = newSVsv (fh_or_path); 1806 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1038
1039 if (SvPOK (req->sv1))
1040 {
1041 req->type = ix;
1042 req->ptr1 = SvPVbyte_nolen (req->sv1);
1043 }
1044 else
1045 {
1046 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1047 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1048 }
1049 1807
1050 REQ_SEND; 1808 REQ_SEND;
1051} 1809}
1052 1810
1053void 1811void
1812st_xtime ()
1813 ALIAS:
1814 st_atime = 0x01
1815 st_mtime = 0x02
1816 st_ctime = 0x04
1817 st_btime = 0x08
1818 st_xtime = 0x0f
1819 PPCODE:
1820 EXTEND (SP, 4);
1821 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1822 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1823 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1824 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1825
1826void
1827st_xtimensec ()
1828 ALIAS:
1829 st_atimensec = 0x01
1830 st_mtimensec = 0x02
1831 st_ctimensec = 0x04
1832 st_btimensec = 0x08
1833 st_xtimensec = 0x0f
1834 st_btimesec = 0x10
1835 st_gen = 0x20
1836 PPCODE:
1837 EXTEND (SP, 4);
1838 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1839 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1840 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1841 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1842 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1843 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1844
1845UV
1846major (UV dev)
1847 ALIAS:
1848 minor = 1
1849 CODE:
1850 RETVAL = ix ? minor (dev) : major (dev);
1851 OUTPUT:
1852 RETVAL
1853
1854UV
1855makedev (UV maj, UV min)
1856 CODE:
1857 RETVAL = makedev (maj, min);
1858 OUTPUT:
1859 RETVAL
1860
1861void
1054aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1862aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1055 PPCODE: 1863 PPCODE:
1056{ 1864{
1057 dREQ; 1865 dREQ;
1058 1866
1059 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1867 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1060 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1868 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1061 req->sv1 = newSVsv (fh_or_path); 1869 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1062
1063 if (SvPOK (req->sv1))
1064 {
1065 req->type = EIO_UTIME;
1066 req->ptr1 = SvPVbyte_nolen (req->sv1);
1067 }
1068 else
1069 {
1070 req->type = EIO_FUTIME;
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 }
1073 1870
1074 REQ_SEND; 1871 REQ_SEND;
1075} 1872}
1076 1873
1077void 1874void
1078aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1875aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1079 PPCODE: 1876 PPCODE:
1080{ 1877{
1081 dREQ; 1878 dREQ;
1082 1879
1083 req->sv1 = newSVsv (fh_or_path);
1084 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1880 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1085 1881 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = EIO_TRUNCATE;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FTRUNCATE;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1882
1097 REQ_SEND; 1883 REQ_SEND;
1098} 1884}
1099 1885
1100void 1886void
1101aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1887aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1102 ALIAS:
1103 aio_chmod = EIO_CHMOD
1104 aio_mkdir = EIO_MKDIR
1105 PPCODE: 1888 PPCODE:
1106{ 1889{
1107 dREQ; 1890 dREQ;
1108 1891
1109 req->int2 = mode; 1892 req->int2 = mode;
1110 req->sv1 = newSVsv (fh_or_path); 1893 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1111
1112 if (SvPOK (req->sv1))
1113 {
1114 req->type = ix;
1115 req->ptr1 = SvPVbyte_nolen (req->sv1);
1116 }
1117 else
1118 {
1119 req->type = EIO_FCHMOD;
1120 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1121 }
1122 1894
1123 REQ_SEND; 1895 REQ_SEND;
1124} 1896}
1125 1897
1126void 1898void
1127aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1899aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1128 PPCODE: 1900 PPCODE:
1129{ 1901{
1130 dREQ; 1902 dREQ;
1131 1903
1132 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1904 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1133 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1905 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1134 req->sv1 = newSVsv (fh_or_path); 1906 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1135
1136 if (SvPOK (req->sv1))
1137 {
1138 req->type = EIO_CHOWN;
1139 req->ptr1 = SvPVbyte_nolen (req->sv1);
1140 }
1141 else
1142 {
1143 req->type = EIO_FCHOWN;
1144 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1145 }
1146 1907
1147 REQ_SEND; 1908 REQ_SEND;
1148} 1909}
1149 1910
1150void 1911void
1151aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1912aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1152 PPCODE: 1913 PPCODE:
1153{ 1914{
1154 dREQ; 1915 dREQ;
1155 1916
1156 req->type = EIO_READDIR; 1917 req->type = EIO_READDIR;
1157 req->sv1 = newSVsv (pathname);
1158 req->ptr1 = SvPVbyte_nolen (req->sv1);
1159 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1918 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1160 1919
1161 if (flags & EIO_READDIR_DENTS) 1920 if (flags & EIO_READDIR_DENTS)
1162 req->int1 |= EIO_READDIR_CUSTOM2; 1921 req->int1 |= EIO_READDIR_CUSTOM2;
1163 1922
1923 req_set_path1 (req, pathname);
1924
1164 REQ_SEND; 1925 REQ_SEND;
1165} 1926}
1166 1927
1167void 1928void
1929aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1930 PPCODE:
1931{
1932 dREQ;
1933
1934 req->type = EIO_MKDIR;
1935 req->int2 = mode;
1936 req_set_path1 (req, pathname);
1937
1938 REQ_SEND;
1939}
1940
1941void
1168aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1942aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1169 ALIAS: 1943 ALIAS:
1170 aio_unlink = EIO_UNLINK 1944 aio_unlink = EIO_UNLINK
1171 aio_rmdir = EIO_RMDIR 1945 aio_rmdir = EIO_RMDIR
1172 aio_readdir = EIO_READDIR 1946 aio_readdir = EIO_READDIR
1173 PPCODE: 1947 PPCODE:
1174{ 1948{
1175 dREQ; 1949 dREQ;
1176 1950
1177 req->type = ix; 1951 req->type = ix;
1178 req->sv1 = newSVsv (pathname); 1952 req_set_path1 (req, pathname);
1179 req->ptr1 = SvPVbyte_nolen (req->sv1);
1180 1953
1181 REQ_SEND; 1954 REQ_SEND;
1182} 1955}
1183 1956
1184void 1957void
1185aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1958aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1186 ALIAS: 1959 ALIAS:
1187 aio_link = EIO_LINK 1960 aio_link = EIO_LINK
1188 aio_symlink = EIO_SYMLINK 1961 aio_symlink = EIO_SYMLINK
1189 aio_rename = EIO_RENAME 1962 aio_rename = EIO_RENAME
1190 PPCODE: 1963 PPCODE:
1191{ 1964{
1965 eio_wd wd2 = 0;
1192 dREQ; 1966 dREQ;
1193 1967
1194 req->type = ix; 1968 req->type = ix;
1195 req->sv1 = newSVsv (oldpath); 1969 req_set_path1 (req, oldpath);
1196 req->ptr1 = SvPVbyte_nolen (req->sv1); 1970 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1197 req->sv2 = newSVsv (newpath); 1971 req->int3 = (long)wd2;
1198 req->ptr2 = SvPVbyte_nolen (req->sv2);
1199 1972
1200 REQ_SEND; 1973 REQ_SEND;
1201} 1974}
1202 1975
1203void 1976void
1977aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1978 PPCODE:
1979{
1980 eio_wd wd2 = 0;
1981 dREQ;
1982
1983 req->type = EIO_RENAME;
1984 req_set_path1 (req, oldpath);
1985 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1986 req->int2 = flags;
1987 req->int3 = (long)wd2;
1988
1989 REQ_SEND;
1990}
1991
1992void
1204aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1993aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1205 PPCODE: 1994 PPCODE:
1206{ 1995{
1207 dREQ; 1996 dREQ;
1208 1997
1209 req->type = EIO_MKNOD; 1998 req->type = EIO_MKNOD;
1210 req->sv1 = newSVsv (pathname);
1211 req->ptr1 = SvPVbyte_nolen (req->sv1);
1212 req->int2 = (mode_t)mode; 1999 req->int2 = (mode_t)mode;
1213 req->offs = dev; 2000 req->offs = dev;
2001 req_set_path1 (req, pathname);
1214 2002
1215 REQ_SEND; 2003 REQ_SEND;
1216} 2004}
1217 2005
1218void 2006void
1219aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2007aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1220 ALIAS: 2008 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 2009 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 2010 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 2011 PPCODE:
1225{ 2012{
1226 STRLEN svlen; 2013 STRLEN svlen;
2014 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 2015 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen); 2016
2017 if (flags < 0)
2018 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1229 2019
1230 if (offset < 0) 2020 if (offset < 0)
1231 offset += svlen; 2021 offset += svlen;
1232 2022
1233 if (offset < 0 || offset > svlen) 2023 if (offset < 0 || offset > svlen)
1238 2028
1239 { 2029 {
1240 dREQ; 2030 dREQ;
1241 2031
1242 req->type = ix; 2032 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 2033 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 2034 req->ptr2 = (char *)svptr + offset;
2035 req->size = len;
1246 req->int1 = flags; 2036 req->int1 = flags;
1247 2037
1248 REQ_SEND; 2038 REQ_SEND;
1249 } 2039 }
1250} 2040}
1251 2041
1252void 2042void
2043aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2044 PPCODE:
2045{
2046 STRLEN svlen;
2047 char *svptr = SvPVbyte (data, svlen);
2048 UV len = SvUV (length);
2049
2050 if (offset < 0)
2051 offset += svlen;
2052
2053 if (offset < 0 || offset > svlen)
2054 croak ("offset outside of scalar");
2055
2056 if (!SvOK (length) || len + offset > svlen)
2057 len = svlen - offset;
2058
2059 {
2060 dREQ;
2061
2062 req->type = EIO_MLOCK;
2063 req->sv2 = SvREFCNT_inc (data);
2064 req->ptr2 = (char *)svptr + offset;
2065 req->size = len;
2066
2067 REQ_SEND;
2068 }
2069}
2070
2071void
2072aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2073 PPCODE:
2074{
2075 dREQ;
2076
2077 req->type = EIO_MLOCKALL;
2078 req->int1 = flags;
2079
2080 REQ_SEND;
2081}
2082
2083void
2084aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2085 PPCODE:
2086{
2087 int fd = s_fileno_croak (fh, 0);
2088 dREQ;
2089
2090 req->type = EIO_CUSTOM;
2091 req->sv1 = newSVsv (fh);
2092 req->int1 = fd;
2093
2094 req->feed = fiemap;
2095#if HAVE_FIEMAP
2096 /* keep our fingers crossed that the next two types are 64 bit */
2097 req->offs = start;
2098 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2099 req->int2 = flags;
2100 req->int3 = SvOK (count) ? SvIV (count) : -1;
2101#endif
2102
2103 REQ_SEND;
2104}
2105
2106void
2107aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2108 PPCODE:
2109{
2110 char *svptr = 0;
2111
2112 sv_clear_foreign (data);
2113
2114 if (length) /* known length, directly read into scalar */
2115 {
2116 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2117 svptr = sv_grow (data, length + 1);
2118 else if (SvCUR (data) < length)
2119 croak ("length outside of scalar, and cannot grow");
2120 else
2121 svptr = SvPVbyte_nolen (data);
2122 }
2123
2124 {
2125 dREQ;
2126
2127 req->type = EIO_SLURP;
2128 req_set_path1 (req, pathname);
2129 req->offs = offset;
2130 req->size = length;
2131 req->sv2 = SvREFCNT_inc (data);
2132 req->ptr2 = svptr;
2133
2134 if (!SvREADONLY (data))
2135 {
2136 SvREADONLY_on (data);
2137 req->flags |= FLAG_SV2_RO_OFF;
2138 }
2139
2140 REQ_SEND;
2141 }
2142}
2143
2144void
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 2145aio_busy (double delay, SV *callback = &PL_sv_undef)
1254 PPCODE: 2146 PPCODE:
1255{ 2147{
1256 dREQ; 2148 dREQ;
1257 2149
1258 req->type = EIO_BUSY; 2150 req->type = EIO_BUSY;
1260 2152
1261 REQ_SEND; 2153 REQ_SEND;
1262} 2154}
1263 2155
1264void 2156void
1265aio_group (SV *callback=&PL_sv_undef) 2157aio_group (SV *callback = &PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 2158 PPCODE:
1268{ 2159{
1269 dREQ; 2160 dREQ;
1270 2161
1271 req->type = EIO_GROUP; 2162 req->type = EIO_GROUP;
1272 2163
2164 PUTBACK;
1273 req_submit (req); 2165 req_submit (req);
2166 SPAGAIN;
2167
1274 XPUSHs (req_sv (req, aio_grp_stash)); 2168 XPUSHs (req_sv (req, aio_grp_stash));
1275} 2169}
1276 2170
1277void 2171void
1278aio_nop (SV *callback=&PL_sv_undef) 2172aio_nop (SV *callback = &PL_sv_undef)
1279 ALIAS: 2173 ALIAS:
1280 aio_nop = EIO_NOP 2174 aio_nop = EIO_NOP
1281 aio_sync = EIO_SYNC 2175 aio_sync = EIO_SYNC
1282 PPCODE: 2176 PPCODE:
1283{ 2177{
1287 2181
1288 REQ_SEND; 2182 REQ_SEND;
1289} 2183}
1290 2184
1291int 2185int
1292aioreq_pri (int pri = 0) 2186aioreq_pri (int pri = NO_INIT)
1293 PROTOTYPE: ;$
1294 CODE: 2187 CODE:
1295 RETVAL = next_pri; 2188 RETVAL = next_pri;
1296 if (items > 0) 2189 if (items > 0)
1297 { 2190 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2191 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2203 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 2204 next_pri = nice;
1312 2205
1313void 2206void
1314flush () 2207flush ()
1315 PROTOTYPE:
1316 CODE: 2208 CODE:
1317 while (eio_nreqs ()) 2209 while (eio_nreqs ())
1318 { 2210 {
1319 poll_wait (); 2211 poll_wait ();
1320 poll_cb (); 2212 poll_cb ();
1321 } 2213 }
1322 2214
1323int 2215int
1324poll() 2216poll ()
1325 PROTOTYPE:
1326 CODE: 2217 CODE:
1327 poll_wait (); 2218 poll_wait ();
1328 RETVAL = poll_cb (); 2219 RETVAL = poll_cb ();
1329 OUTPUT: 2220 OUTPUT:
1330 RETVAL 2221 RETVAL
1331 2222
1332int 2223int
1333poll_fileno() 2224poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 2225 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 2226 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 2227 OUTPUT:
1338 RETVAL 2228 RETVAL
1339 2229
1340int 2230int
1341poll_cb(...) 2231poll_cb (...)
1342 PROTOTYPE: 2232 PROTOTYPE:
1343 CODE: 2233 CODE:
1344 RETVAL = poll_cb (); 2234 RETVAL = poll_cb ();
1345 OUTPUT: 2235 OUTPUT:
1346 RETVAL 2236 RETVAL
1347 2237
1348void 2238void
1349poll_wait() 2239poll_wait ()
1350 PROTOTYPE:
1351 CODE: 2240 CODE:
1352 poll_wait (); 2241 poll_wait ();
1353 2242
1354int 2243int
1355nreqs() 2244nreqs ()
1356 PROTOTYPE:
1357 CODE: 2245 CODE:
1358 RETVAL = eio_nreqs (); 2246 RETVAL = eio_nreqs ();
1359 OUTPUT: 2247 OUTPUT:
1360 RETVAL 2248 RETVAL
1361 2249
1362int 2250int
1363nready() 2251nready ()
1364 PROTOTYPE:
1365 CODE: 2252 CODE:
1366 RETVAL = eio_nready (); 2253 RETVAL = eio_nready ();
1367 OUTPUT: 2254 OUTPUT:
1368 RETVAL 2255 RETVAL
1369 2256
1370int 2257int
1371npending() 2258npending ()
1372 PROTOTYPE:
1373 CODE: 2259 CODE:
1374 RETVAL = eio_npending (); 2260 RETVAL = eio_npending ();
1375 OUTPUT: 2261 OUTPUT:
1376 RETVAL 2262 RETVAL
1377 2263
1378int 2264int
1379nthreads() 2265nthreads ()
1380 PROTOTYPE:
1381 CODE: 2266 CODE:
1382 RETVAL = eio_nthreads (); 2267 RETVAL = eio_nthreads ();
1383 OUTPUT: 2268 OUTPUT:
1384 RETVAL 2269 RETVAL
1385 2270
1386int 2271int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2272fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 2273 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 2274 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 2275 OUTPUT:
1396 RETVAL 2276 RETVAL
1397 2277
1398ssize_t 2278IV
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2279sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 2280 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2281 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 2282 OUTPUT:
1404 RETVAL 2283 RETVAL
1405 2284
1406void 2285void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2286mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 2287 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 2288 sv_clear_foreign (scalar);
1411{ 2289{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2290 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2291 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1414 if (addr == (void *)-1) 2292 if (addr == (void *)-1)
1415 XSRETURN_NO; 2293 XSRETURN_NO;
1416 2294
1417 sv_force_normal (scalar); 2295 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1418
1419 /* we store the length in mg_obj, as namlen is I32 :/ */
1420 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1421 ->mg_obj = (SV *)length;
1422
1423 SvUPGRADE (scalar, SVt_PV); /* nop... */
1424 2296
1425 if (!(prot & PROT_WRITE)) 2297 if (!(prot & PROT_WRITE))
1426 SvREADONLY_on (scalar); 2298 SvREADONLY_on (scalar);
1427 2299
1428 if (SvLEN (scalar))
1429 Safefree (SvPVX (scalar));
1430
1431 SvPVX (scalar) = (char *)addr;
1432 SvCUR_set (scalar, length);
1433 SvLEN_set (scalar, 0);
1434 SvPOK_only (scalar);
1435
1436 XSRETURN_YES; 2300 XSRETURN_YES;
1437} 2301}
1438 2302
1439void 2303void
1440munmap (SV *scalar) 2304munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 2305 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 2306 sv_clear_foreign (scalar);
1444 2307
1445int 2308SV *
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 2309mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
1447 PROTOTYPE: $$$$ 2310 CODE:
1448 CODE:
1449{ 2311{
1450 char *addr = SvPV_nolen (scalar) + offset; 2312 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2313 void *new;
1451 2314
1452 if (!SvOK (ST (2))) 2315 if (!mg || SvPVX (scalar) != mg->mg_ptr)
1453 length = SvCUR (scalar) - offset; 2316 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
1454 2317
1455 if (addr >= SvEND (scalar) || length <= 0) 2318 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
1456 XSRETURN_EMPTY;
1457 2319
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 2320 RETVAL = &PL_sv_no;
1459 RETVAL = posix_madvise (addr, length, advice); 2321
1460 #else 2322 if (new != (void *)-1)
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 2323 {
1462 #endif 2324 RETVAL = new == (void *)mg->mg_ptr
2325 ? newSVpvn ("0 but true", 10)
2326 : &PL_sv_yes;
2327
2328 mg->mg_ptr = (char *)new;
2329 mg->mg_obj = (SV *)new_length;
2330
2331 SvPVX (scalar) = mg->mg_ptr;
2332 SvCUR_set (scalar, new_length);
2333 }
1463} 2334}
1464 OUTPUT: 2335 OUTPUT:
1465 RETVAL 2336 RETVAL
1466 2337
1467int 2338int
1468mlockall (int flags) 2339madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1469 PROTOTYPE: $ 2340 ALIAS:
2341 mprotect = 1
1470 CODE: 2342 CODE:
2343{
2344 STRLEN svlen;
2345 void *addr = SvPVbyte (scalar, svlen);
2346 STRLEN len = SvUV (length);
2347
2348 if (offset < 0)
2349 offset += svlen;
2350
2351 if (offset < 0 || offset > svlen)
2352 croak ("offset outside of scalar");
2353
2354 if (!SvOK (length) || len + offset > svlen)
2355 len = svlen - offset;
2356
2357 addr = (void *)(((intptr_t)addr) + offset);
2358 eio_page_align (&addr, &len);
2359
2360 switch (ix)
2361 {
2362 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2363 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2364 }
2365}
2366 OUTPUT:
2367 RETVAL
2368
2369int
2370munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2371 CODE:
2372{
2373 STRLEN svlen;
2374 void *addr = SvPVbyte (scalar, svlen);
2375 size_t len = SvUV (length);
2376
2377 if (offset < 0)
2378 offset += svlen;
2379
2380 if (offset < 0 || offset > svlen)
2381 croak ("offset outside of scalar");
2382
2383 if (!SvOK (length) || len + offset > svlen)
2384 len = svlen - offset;
2385
2386 addr = (void *)(((intptr_t)addr) + offset);
2387 eio_page_align (&addr, &len);
1471#if _POSIX_MEMLOCK 2388#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2389 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 2390#else
1478 RETVAL = -1; 2391 RETVAL = EIO_ENOSYS ();
1479 errno = ENOSYS;
1480#endif 2392#endif
2393}
1481 OUTPUT: 2394 OUTPUT:
1482 RETVAL 2395 RETVAL
1483 2396
1484int 2397int
2398mlockall (int flags)
2399 PROTOTYPE: $;
2400 CODE:
2401 RETVAL = eio_mlockall_sync (flags);
2402 OUTPUT:
2403 RETVAL
2404
2405int
1485munlockall () 2406munlockall ()
1486 PROTOTYPE:
1487 CODE: 2407 CODE:
1488#if _POSIX_MEMLOCK 2408#if _POSIX_MEMLOCK
1489 munlockall (); 2409 munlockall ();
1490#else 2410#else
1491 RETVAL = -1; 2411 RETVAL = EIO_ENOSYS ();
1492 errno = ENOSYS;
1493#endif 2412#endif
1494 OUTPUT: 2413 OUTPUT:
1495 RETVAL 2414 RETVAL
2415
2416int
2417statx (SV8 *pathname, int flags, UV mask)
2418 CODE:
2419{
2420 /* undocumented, and might go away, and anyway, should use eio_statx */
2421 SV *wdsv = 0;
2422 SV *pathsv = 0;
2423 eio_wd wd = EIO_CWD;
2424 void *ptr;
2425 int res;
2426
2427 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2428 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2429
2430 SvREFCNT_dec (pathsv);
2431 SvREFCNT_dec (wdsv);
2432}
2433 OUTPUT:
2434 RETVAL
2435
2436U32
2437stx_mode ()
2438 PROTOTYPE:
2439 CODE:
2440#if HAVE_STATX
2441 RETVAL = stx.stx_mode;
2442#else
2443 XSRETURN_UNDEF;
2444#endif
2445 OUTPUT:
2446 RETVAL
2447
2448#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2449#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2450#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2451#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2452#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2453#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2454#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2455#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2456#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2457#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2458#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2459#define STATX_OFFSET_size statx_offsetof (stx_size)
2460#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2461#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2462#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2463#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2464#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2465#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2466
2467U32
2468stx_mask ()
2469 PROTOTYPE:
2470 ALIAS:
2471 stx_mask = STATX_OFFSET_mask
2472 stx_blksize = STATX_OFFSET_blksize
2473 stx_nlink = STATX_OFFSET_nlink
2474 stx_uid = STATX_OFFSET_uid
2475 stx_gid = STATX_OFFSET_gid
2476 stx_rdev_major = STATX_OFFSET_rdev_major
2477 stx_rdev_minor = STATX_OFFSET_rdev_minor
2478 stx_dev_major = STATX_OFFSET_dev_major
2479 stx_dev_minor = STATX_OFFSET_dev_minor
2480 CODE:
2481#if HAVE_STATX
2482 RETVAL = *(__u32 *)((char *)&stx + ix);
2483#else
2484 XSRETURN_UNDEF;
2485#endif
2486 OUTPUT:
2487 RETVAL
2488
2489VAL64
2490stx_attributes ()
2491 PROTOTYPE:
2492 ALIAS:
2493 stx_attributes = STATX_OFFSET_attributes
2494 stx_ino = STATX_OFFSET_ino
2495 stx_size = STATX_OFFSET_size
2496 stx_blocks = STATX_OFFSET_blocks
2497 stx_attributes_mask = STATX_OFFSET_attributes_mask
2498 CODE:
2499#if HAVE_STATX
2500 RETVAL = *(__u64 *)((char *)&stx + ix);
2501#else
2502 XSRETURN_UNDEF;
2503#endif
2504 OUTPUT:
2505 RETVAL
2506
2507NV
2508stx_atime ()
2509 PROTOTYPE:
2510 ALIAS:
2511 stx_atime = STATX_OFFSET_atime
2512 stx_btime = STATX_OFFSET_btime
2513 stx_ctime = STATX_OFFSET_ctime
2514 stx_mtime = STATX_OFFSET_mtime
2515 CODE:
2516#if HAVE_STATX
2517 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2518 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2519#else
2520 XSRETURN_UNDEF;
2521#endif
2522 OUTPUT:
2523 RETVAL
2524
2525VAL64
2526stx_atimesec ()
2527 PROTOTYPE:
2528 ALIAS:
2529 stx_atimesec = STATX_OFFSET_atime
2530 stx_btimesec = STATX_OFFSET_btime
2531 stx_ctimesec = STATX_OFFSET_ctime
2532 stx_mtimesec = STATX_OFFSET_mtime
2533 CODE:
2534#if HAVE_STATX
2535 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2536 RETVAL = ts->tv_sec;
2537#else
2538 XSRETURN_UNDEF;
2539#endif
2540 OUTPUT:
2541 RETVAL
2542
2543U32
2544stx_atimensec ()
2545 PROTOTYPE:
2546 ALIAS:
2547 stx_atimensec = STATX_OFFSET_atime
2548 stx_btimensec = STATX_OFFSET_btime
2549 stx_ctimensec = STATX_OFFSET_ctime
2550 stx_mtimensec = STATX_OFFSET_mtime
2551 CODE:
2552#if HAVE_STATX
2553 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2554 RETVAL = ts->tv_nsec;
2555#else
2556 RETVAL = 0;
2557#endif
2558 OUTPUT:
2559 RETVAL
2560
2561void
2562accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2563 PPCODE:
2564{
2565 SV *retval;
2566#if HAVE_ACCEPT4
2567 socklen_t salen_ = salen ? salen + 1 : 0;
2568
2569 if (salen)
2570 {
2571 sv_upgrade (sockaddr, SVt_PV);
2572 sv_grow (sockaddr, salen_);
2573 }
2574
2575 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2576
2577 retval = newmortalFH (res, O_RDWR);
2578
2579 if (res >= 0 && salen > 0)
2580 {
2581 if (salen_ > salen + 1)
2582 salen_ = salen + 1;
2583
2584 SvPOK_only (sockaddr);
2585 SvCUR_set (sockaddr, salen_);
2586 }
2587#else
2588 errno = ENOSYS;
2589 retval = &PL_sv_undef;
2590#endif
2591 XPUSHs (retval);
2592}
2593
2594ssize_t
2595splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2596 CODE:
2597{
2598#if HAVE_LINUX_SPLICE
2599 loff_t off_in_, off_out_;
2600 RETVAL = splice (
2601 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2602 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2603 length, flags
2604 );
2605#else
2606 RETVAL = EIO_ENOSYS ();
2607#endif
2608}
2609 OUTPUT:
2610 RETVAL
2611
2612ssize_t
2613tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2614 CODE:
2615#if HAVE_LINUX_SPLICE
2616 RETVAL = tee (rfh, wfh, length, flags);
2617#else
2618 RETVAL = EIO_ENOSYS ();
2619#endif
2620 OUTPUT:
2621 RETVAL
2622
2623int
2624pipesize (aio_rfd rfh, int new_size = -1)
2625 PROTOTYPE: $;$
2626 CODE:
2627#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2628 if (new_size >= 0)
2629 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2630 else
2631 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2632#else
2633 errno = ENOSYS;
2634 RETVAL = -1;
2635#endif
2636 OUTPUT:
2637 RETVAL
2638
2639void
2640pipe2 (int flags = 0)
2641 PROTOTYPE: ;$
2642 PPCODE:
2643{
2644 int fd[2];
2645 int res;
2646
2647 if (flags)
2648#if HAVE_PIPE2
2649 res = pipe2 (fd, flags);
2650#else
2651 res = (errno = ENOSYS, -1);
2652#endif
2653 else
2654 res = pipe (fd);
2655
2656 if (!res)
2657 {
2658 EXTEND (SP, 2);
2659 PUSHs (newmortalFH (fd[0], O_RDONLY));
2660 PUSHs (newmortalFH (fd[1], O_WRONLY));
2661 }
2662}
2663
2664void
2665pidfd_open (int pid, unsigned int flags = 0)
2666 PPCODE:
2667{
2668 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2669 int fd = syscall (SYS_pidfd_open, pid, flags);
2670 XPUSHs (newmortalFH (fd, O_RDWR));
2671}
2672
2673int
2674pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2675 PPCODE:
2676{
2677 int res;
2678 siginfo_t si = { 0 };
2679
2680 if (SvOK (siginfo))
2681 {
2682 HV *hv;
2683 SV **svp;
2684
2685 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2686 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2687
2688 hv = (HV *)SvRV (siginfo);
2689
2690 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2691 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2692 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2693 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2694 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2695 }
2696
2697 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2698 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2699
2700 XPUSHs (sv_2mortal (newSViv (res)));
2701}
2702
2703void
2704pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2708 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712void
2713eventfd (unsigned int initval = 0, int flags = 0)
2714 PPCODE:
2715{
2716 int fd;
2717#if HAVE_EVENTFD
2718 fd = eventfd (initval, flags);
2719#else
2720 fd = (errno = ENOSYS, -1);
2721#endif
2722
2723 XPUSHs (newmortalFH (fd, O_RDWR));
2724}
2725
2726void
2727timerfd_create (int clockid, int flags = 0)
2728 PPCODE:
2729{
2730 int fd;
2731#if HAVE_TIMERFD
2732 fd = timerfd_create (clockid, flags);
2733#else
2734 fd = (errno = ENOSYS, -1);
2735#endif
2736
2737 XPUSHs (newmortalFH (fd, O_RDWR));
2738}
2739
2740void
2741timerfd_settime (SV *fh, int flags, NV interval, NV value)
2742 PPCODE:
2743{
2744 int fd = s_fileno_croak (fh, 0);
2745#if HAVE_TIMERFD
2746 int res;
2747 struct itimerspec its, ots;
2748
2749 ts_set (&its.it_interval, interval);
2750 ts_set (&its.it_value , value);
2751 res = timerfd_settime (fd, flags, &its, &ots);
2752
2753 if (!res)
2754 {
2755 EXTEND (SP, 2);
2756 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2757 PUSHs (newSVnv (ts_get (&ots.it_value)));
2758 }
2759#else
2760 errno = ENOSYS;
2761#endif
2762}
2763
2764void
2765timerfd_gettime (SV *fh)
2766 PPCODE:
2767{
2768 int fd = s_fileno_croak (fh, 0);
2769#if HAVE_TIMERFD
2770 int res;
2771 struct itimerspec ots;
2772 res = timerfd_gettime (fd, &ots);
2773
2774 if (!res)
2775 {
2776 EXTEND (SP, 2);
2777 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2778 PUSHs (newSVnv (ts_get (&ots.it_value)));
2779 }
2780#else
2781 errno = ENOSYS;
2782#endif
2783}
2784
2785void
2786memfd_create (SV8 *pathname, int flags = 0)
2787 PPCODE:
2788{
2789 int fd;
2790#if HAVE_MEMFD_CREATE
2791 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2792#else
2793 fd = (errno = ENOSYS, -1);
2794#endif
2795
2796 XPUSHs (newmortalFH (fd, O_RDWR));
2797}
2798
2799UV
2800get_fdlimit ()
2801 CODE:
2802#if HAVE_RLIMITS
2803 struct rlimit rl;
2804 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2805 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2806#endif
2807 XSRETURN_UNDEF;
2808 OUTPUT:
2809 RETVAL
2810
2811void
2812min_fdlimit (UV limit = 0x7fffffffU)
2813 CODE:
2814{
2815#if HAVE_RLIMITS
2816 struct rlimit rl;
2817 rlim_t orig_rlim_max;
2818 UV bit;
2819
2820 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2821 goto fail;
2822
2823 if (rl.rlim_cur == RLIM_INFINITY)
2824 XSRETURN_YES;
2825
2826 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2827
2828 if (rl.rlim_cur < limit)
2829 {
2830 rl.rlim_cur = limit;
2831
2832 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2833 rl.rlim_max = rl.rlim_cur;
2834 }
2835
2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2837 XSRETURN_YES;
2838
2839 if (errno == EPERM)
2840 {
2841 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2842 /* our limit overflows a system-wide limit */
2843 /* try an adaptive algorithm, but do not lower the hardlimit */
2844 rl.rlim_max = 0;
2845 for (bit = 0x40000000U; bit; bit >>= 1)
2846 {
2847 rl.rlim_max |= bit;
2848 rl.rlim_cur = rl.rlim_max;
2849
2850 /* never decrease the hard limit */
2851 if (rl.rlim_max < orig_rlim_max)
2852 break;
2853
2854 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2855 rl.rlim_max &= ~bit; /* too high, remove bit again */
2856 }
2857
2858 /* now, raise the soft limit to the max permitted */
2859 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2860 {
2861 rl.rlim_cur = rl.rlim_max;
2862 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2863 errno = EPERM;
2864 }
2865 }
2866#endif
2867 fail:
2868 XSRETURN_UNDEF;
2869}
1496 2870
1497void _on_next_submit (SV *cb) 2871void _on_next_submit (SV *cb)
1498 CODE: 2872 CODE:
1499 SvREFCNT_dec (on_next_submit); 2873 SvREFCNT_dec (on_next_submit);
1500 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2874 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1501 2875
1502PROTOTYPES: DISABLE 2876PROTOTYPES: DISABLE
1503 2877
2878MODULE = IO::AIO PACKAGE = IO::AIO::WD
2879
2880BOOT:
2881{
2882 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2883 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2884}
2885
2886void
2887DESTROY (SV *self)
2888 CODE:
2889{
2890 aio_wd wd = SvAIO_WD (self);
2891#if HAVE_AT
2892 {
2893 SV *callback = &PL_sv_undef;
2894 dREQ; /* clobbers next_pri :/ */
2895 next_pri = req->pri; /* restore next_pri */
2896 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2897 req->type = EIO_WD_CLOSE;
2898 req->wd = wd;
2899 REQ_SEND;
2900 }
2901#else
2902 eio_wd_close_sync (wd);
2903#endif
2904}
2905
1504MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2906MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1505 2907
1506void 2908void
1507cancel (aio_req_ornot req) 2909cancel (aio_req_ornot req)
1508 CODE: 2910 CODE:
1509 eio_cancel (req); 2911 eio_cancel (req);
1510 2912
1511void 2913void
1512cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2914cb (aio_req_ornot req, SV *callback = NO_INIT)
1513 PPCODE: 2915 PPCODE:
1514{ 2916{
1515 if (GIMME_V != G_VOID) 2917 if (GIMME_V != G_VOID)
1516 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2918 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1517 2919
1518 if (items > 1) 2920 if (items > 1)
1519 { 2921 {
1520 SV *cb_cv =get_cb (callback); 2922 SV *cb_cv = get_cb (callback);
1521 2923
1522 SvREFCNT_dec (req->callback); 2924 SvREFCNT_dec (req->callback);
1523 req->callback = SvREFCNT_inc (cb_cv); 2925 req->callback = SvREFCNT_inc (cb_cv);
1524 } 2926 }
1525} 2927}
1582limit (aio_req grp, int limit) 2984limit (aio_req grp, int limit)
1583 CODE: 2985 CODE:
1584 eio_grp_limit (grp, limit); 2986 eio_grp_limit (grp, limit);
1585 2987
1586void 2988void
1587feed (aio_req grp, SV *callback=&PL_sv_undef) 2989feed (aio_req grp, SV *callback = &PL_sv_undef)
1588 CODE: 2990 CODE:
1589{ 2991{
1590 SvREFCNT_dec (grp->sv2); 2992 SvREFCNT_dec (grp->sv2);
1591 grp->sv2 = newSVsv (callback); 2993 grp->sv2 = newSVsv (callback);
1592 grp->feed = aio_grp_feed; 2994 grp->feed = aio_grp_feed;

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