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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.167 by root, Sun May 9 20:49:52 2010 UTC vs.
Revision 1.295 by root, Mon Sep 5 00:03:32 2022 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 ST_NODEV 195#include "libeio/eio.c"
146# define ST_NODEV 0
147#endif
148#ifndef ST_NOEXEC
149# define ST_NOEXEC 0
150#endif
151#ifndef ST_SYNCHRONOUS
152# define ST_SYNCHRONOUS 0
153#endif
154#ifndef ST_MANDLOCK
155# define ST_MANDLOCK 0
156#endif
157#ifndef ST_WRITE
158# define ST_WRITE 0
159#endif
160#ifndef ST_APPEND
161# define ST_APPEND 0
162#endif
163#ifndef ST_IMMUTABLE
164# define ST_IMMUTABLE 0
165#endif
166#ifndef ST_NOATIME
167# define ST_NOATIME 0
168#endif
169#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0
171#endif
172#ifndef ST_RELATIME
173# define ST_RELATIME 0
174#endif
175 196
176#ifndef MCL_CURRENT 197#if !HAVE_POSIX_FADVISE
177# define MCL_CURRENT 0 198# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
178#endif 199#endif
179#ifndef MCL_FUTURE 200
180# define MCL_FUTURE 0 201#if !HAVE_POSIX_MADVISE
202# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
181#endif 203#endif
182 204
183#ifndef MAP_ANONYMOUS 205#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 206# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 207# define MAP_ANONYMOUS MAP_ANON
186# else 208# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 209# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif 210# endif
189#endif 211#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205 212
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
206#ifndef PAGESIZE 225# undef PAGESIZE
226#endif
227
228#if PAGESIZE <= 0
207# define PAGESIZE sysconf (_SC_PAGESIZE) 229# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 230#endif
209 231
210static int req_invoke (eio_req *req); 232/* solaris perl seems to declare a wrong syscall function that clashes with system includes */
211#define EIO_FINISH(req) req_invoke (req) 233#ifdef __sun
212static void req_destroy (eio_req *grp); 234# undef HAVE_SYSCALL
213#define EIO_DESTROY(req) req_destroy (req) 235#endif
236
237#if HAVE_SYSCALL
238#include <sys/syscall.h>
239#else
240# define syscall(nr,...) (errno = ENOSYS, -1)
241#endif
242
243/*****************************************************************************/
244
245#if !_POSIX_MAPPED_FILES
246# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
247# define munmap(addr,length) EIO_ENOSYS ()
248#endif
249
250#if !_POSIX_MEMORY_PROTECTION
251# define mprotect(addr,len,prot) EIO_ENOSYS ()
252#endif
253
254#if !MREMAP_MAYMOVE
255# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
256#endif
257
258#define FOREIGN_MAGIC PERL_MAGIC_ext
259
260static int ecb_cold
261mmap_free (pTHX_ SV *sv, MAGIC *mg)
262{
263 int old_errno = errno;
264 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
265 errno = old_errno;
266
267 mg->mg_obj = 0; /* just in case */
268
269 SvREADONLY_off (sv);
270
271 if (SvPVX (sv) != mg->mg_ptr)
272 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
273
274 SvCUR_set (sv, 0);
275 SvPVX (sv) = 0;
276 SvOK_off (sv);
277
278 return 0;
279}
280
281static MGVTBL mmap_vtbl = {
282 0, 0, 0, 0, mmap_free
283};
284
285static int ecb_cold
286sysfree_free (pTHX_ SV *sv, MAGIC *mg)
287{
288 free (mg->mg_ptr);
289 mg->mg_obj = 0; /* just in case */
290
291 SvREADONLY_off (sv);
292
293 if (SvPVX (sv) != mg->mg_ptr)
294 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
295
296 SvCUR_set (sv, 0);
297 SvPVX (sv) = 0;
298 SvOK_off (sv);
299
300 return 0;
301}
302
303static MGVTBL sysfree_vtbl = {
304 0, 0, 0, 0, sysfree_free
305};
306
307/*****************************************************************************/
308
309/* helper: set scalar to foreign ptr with custom free */
310ecb_noinline
311static void
312sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
313{
314 sv_force_normal (sv);
315
316 /* we store the length in mg_obj, as namlen is I32 :/ */
317 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
318 ->mg_obj = (SV *)length;
319
320 SvUPGRADE (sv, SVt_PV); /* nop... */
321
322 if (SvLEN (sv))
323 Safefree (SvPVX (sv));
324
325 SvPVX (sv) = (char *)addr;
326 SvCUR_set (sv, length);
327 SvLEN_set (sv, 0);
328 SvPOK_only (sv);
329}
330
331static void
332sv_clear_foreign (SV *sv)
333{
334 /* todo: iterate over magic and only free ours, but of course */
335 /* the perl5porters will call that (correct) behaviour buggy */
336 sv_unmagic (sv, FOREIGN_MAGIC);
337}
338
339/*****************************************************************************/
340
341/* defines all sorts of constants to 0 unless they are already defined */
342/* also provides const_iv_ and const_niv_ macros for them */
343#include "def0.h"
344
345/*****************************************************************************/
346
347static void
348fiemap (eio_req *req)
349{
350 req->result = -1;
351
352#if HAVE_FIEMAP
353 /* assume some c99 */
354 struct fiemap *fiemap = 0;
355 size_t end_offset;
356 int count = req->int3;
357
358 req->flags |= EIO_FLAG_PTR1_FREE;
359
360 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
361 /* increase in fixed steps */
362 if (count < 0)
363 count = 8;
364
365 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
366 errno = ENOMEM;
367 if (!fiemap)
368 return;
369
370 req->ptr1 = fiemap;
371
372 fiemap->fm_start = req->offs;
373 fiemap->fm_length = req->size;
374 fiemap->fm_flags = req->int2;
375 fiemap->fm_extent_count = count;
376
377 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
378 return;
379
380 if (req->int3 >= 0 /* not autosizing */
381 || !fiemap->fm_mapped_extents /* no more extents */
382 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
383 goto done;
384
385 /* else we have to loop -
386 * it would be tempting (actually I tried that first) to just query the
387 * number of extents needed, but linux often feels like not returning all
388 * extents, without telling us it left any out. this complicates
389 * this quite a bit.
390 */
391
392 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
393
394 for (;;)
395 {
396 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
397 char scratch[3072];
398 struct fiemap *incmap = (struct fiemap *)scratch;
399
400 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
401 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
402 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
403 incmap->fm_flags = fiemap->fm_flags;
404 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
405
406 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
407 return;
408
409 if (!incmap->fm_mapped_extents)
410 goto done;
411
412 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
413 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
414 errno = ENOMEM;
415 if (!fiemap)
416 return;
417
418 req->ptr1 = fiemap;
419
420 for (count = 0; count < incmap->fm_mapped_extents; ++count)
421 {
422 struct fiemap_extent *e = incmap->fm_extents + count;
423
424 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
425
426 if (e->fe_logical >= end_offset)
427 goto done;
428
429 if (e->fe_flags & FIEMAP_EXTENT_LAST)
430 goto done;
431
432 }
433 }
434
435done:
436 req->result = 0;
437
438#else
439 errno = ENOSYS;
440#endif
441}
442
443/*****************************************************************************/
444
445static int close_fd; /* dummy fd to close fds via dup2 */
446
447#if HAVE_STATX
448static struct statx stx;
449#define statx_offsetof(member) offsetof (struct statx, member)
450#define eio__statx statx
451#else
452#define statx_offsetof(member) 0
453#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
454#endif
214 455
215enum { 456enum {
216 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 457 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
217}; 458};
218 459
219#include "libeio/eio.c"
220
221typedef eio_req *aio_req; 460typedef eio_req *aio_req;
222typedef eio_req *aio_req_ornot; 461typedef eio_req *aio_req_ornot;
462typedef eio_wd aio_wd;
223 463
224static SV *on_next_submit; 464static SV *on_next_submit;
225static int next_pri = EIO_PRI_DEFAULT; 465static int next_pri = EIO_PRI_DEFAULT;
226static int max_outstanding; 466static int max_outstanding;
227 467
228static s_epipe respipe; 468static s_epipe respipe;
229 469
230static void req_destroy (aio_req req); 470static void req_destroy (aio_req req);
231static void req_cancel (aio_req req); 471static void req_cancel (aio_req req);
232 472
233static void want_poll (void) 473static void
474want_poll (void)
234{ 475{
235 /* write a dummy byte to the pipe so fh becomes ready */ 476 /* write a dummy byte to the pipe so fh becomes ready */
236 s_epipe_signal (&respipe); 477 s_epipe_signal (&respipe);
237} 478}
238 479
239static void done_poll (void) 480static void
481done_poll (void)
240{ 482{
241 /* read any signals sent by the worker threads */ 483 /* read any signals sent by the worker threads */
242 s_epipe_drain (&respipe); 484 s_epipe_drain (&respipe);
243} 485}
244 486
245/* must be called at most once */ 487/* must be called at most once */
488ecb_noinline
489static SV *
246static SV *req_sv (aio_req req, HV *stash) 490req_sv (aio_req req, HV *stash)
247{ 491{
248 if (!req->self) 492 if (!req->self)
249 { 493 {
250 req->self = (SV *)newHV (); 494 req->self = (SV *)newHV ();
251 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); 495 sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0);
252 } 496 }
253 497
254 return sv_2mortal (sv_bless (newRV_inc (req->self), stash)); 498 return sv_2mortal (sv_bless (newRV_inc (req->self), stash));
255} 499}
256 500
257static aio_req SvAIO_REQ (SV *sv) 501static SV *
502newSVaio_wd (aio_wd wd)
503{
504 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
505}
506
507ecb_noinline
508static aio_req
509SvAIO_REQ (SV *sv)
258{ 510{
259 MAGIC *mg; 511 MAGIC *mg;
260 512
261 if (!SvROK (sv) 513 if (!SvROK (sv)
514 /* for speed reasons, we do not verify that SvROK actually has a stash ptr */
262 || (SvSTASH (SvRV (sv)) != aio_grp_stash 515 || (SvSTASH (SvRV (sv)) != aio_grp_stash
263 && SvSTASH (SvRV (sv)) != aio_req_stash 516 && SvSTASH (SvRV (sv)) != aio_req_stash
264 && !sv_derived_from (sv, "IO::AIO::REQ"))) 517 && !sv_derived_from (sv, "IO::AIO::REQ")))
265 croak ("object of class IO::AIO::REQ expected"); 518 croak ("object of class IO::AIO::REQ expected");
266 519
267 mg = mg_find (SvRV (sv), PERL_MAGIC_ext); 520 mg = mg_find (SvRV (sv), PERL_MAGIC_ext);
268 521
269 return mg ? (aio_req)mg->mg_ptr : 0; 522 return mg ? (aio_req)mg->mg_ptr : 0;
270} 523}
271 524
525static aio_wd
526SvAIO_WD (SV *sv)
527{
528 if (!SvROK (sv)
529 || SvTYPE (SvRV (sv)) != SVt_PVMG
530 || SvSTASH (SvRV (sv)) != aio_wd_stash)
531 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
532
533 return (aio_wd)(long)SvIVX (SvRV (sv));
534}
535
536static SV *
537newmortalFH (int fd, int flags)
538{
539 if (fd < 0)
540 return &PL_sv_undef;
541
542 GV *gv = (GV *)sv_newmortal ();
543 char sym[64];
544 int symlen;
545
546 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
547 gv_init (gv, aio_stash, sym, symlen, 0);
548
549 symlen = snprintf (
550 sym,
551 sizeof (sym),
552 "%s&=%d",
553 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
554 fd
555 );
556
557 return do_open (gv, sym, symlen, 0, 0, 0, 0)
558 ? (SV *)gv : &PL_sv_undef;
559}
560
561static void
272static void aio_grp_feed (aio_req grp) 562aio_grp_feed (aio_req grp)
273{ 563{
274 if (grp->sv2 && SvOK (grp->sv2)) 564 if (grp->sv2 && SvOK (grp->sv2))
275 { 565 {
276 dSP; 566 dSP;
277 567
… …
285 FREETMPS; 575 FREETMPS;
286 LEAVE; 576 LEAVE;
287 } 577 }
288} 578}
289 579
580ecb_noinline
581static void
290static void req_submit (eio_req *req) 582req_submit (eio_req *req)
291{ 583{
292 eio_submit (req); 584 eio_submit (req);
293 585
294 if (expect_false (on_next_submit)) 586 if (expect_false (on_next_submit))
295 { 587 {
… …
302 PUTBACK; 594 PUTBACK;
303 call_sv (cb, G_DISCARD | G_EVAL); 595 call_sv (cb, G_DISCARD | G_EVAL);
304 } 596 }
305} 597}
306 598
599static int
307static int req_invoke (eio_req *req) 600req_invoke (eio_req *req)
308{ 601{
309 if (req->flags & FLAG_SV2_RO_OFF) 602 if (req->flags & FLAG_SV2_RO_OFF)
310 SvREADONLY_off (req->sv2); 603 SvREADONLY_off (req->sv2);
311 604
312 if (!EIO_CANCELLED (req) && req->callback) 605 if (!EIO_CANCELLED (req) && req->callback)
… …
323 /* do not recreate the result IV from scratch each time */ 616 /* do not recreate the result IV from scratch each time */
324 if (expect_true (sv_result_cache)) 617 if (expect_true (sv_result_cache))
325 { 618 {
326 sv_result = sv_result_cache; sv_result_cache = 0; 619 sv_result = sv_result_cache; sv_result_cache = 0;
327 SvIV_set (sv_result, req->result); 620 SvIV_set (sv_result, req->result);
621 SvIOK_only (sv_result);
328 } 622 }
329 else 623 else
330 { 624 {
331 sv_result = newSViv (req->result); 625 sv_result = newSViv (req->result);
332 SvREADONLY_on (sv_result); 626 SvREADONLY_on (sv_result);
333 } 627 }
334 628
335 switch (req->type) 629 switch (req->type)
336 { 630 {
631 case EIO_WD_OPEN:
632 PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd)));
633 break;
634
337 case EIO_READDIR: 635 case EIO_READDIR:
338 { 636 {
339 SV *rv = &PL_sv_undef; 637 SV *rv = &PL_sv_undef;
340 638
341 if (req->result >= 0) 639 if (req->result >= 0)
… …
394 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 692 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
395 } 693 }
396 break; 694 break;
397 695
398 case EIO_OPEN: 696 case EIO_OPEN:
399 { 697 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
400 /* convert fd to fh */
401 SV *fh = &PL_sv_undef;
402
403 if (req->result >= 0)
404 {
405 GV *gv = (GV *)sv_newmortal ();
406 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
407 char sym [64];
408 int symlen;
409
410 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
411 gv_init (gv, aio_stash, sym, symlen, 0);
412
413 symlen = snprintf (
414 sym,
415 sizeof (sym),
416 "%s&=%d",
417 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
418 (int)req->result
419 );
420
421 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
422 fh = (SV *)gv;
423 }
424
425 PUSHs (fh);
426 }
427 break; 698 break;
428 699
429 case EIO_STATVFS: 700 case EIO_STATVFS:
430 case EIO_FSTATVFS: 701 case EIO_FSTATVFS:
431 { 702 {
432 SV *rv = &PL_sv_undef; 703 SV *rv = &PL_sv_undef;
433 704
705#ifndef _WIN32
434 if (req->result >= 0) 706 if (req->result >= 0)
435 { 707 {
436 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 708 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
437 HV *hv = newHV (); 709 HV *hv = newHV ();
710 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
711 * chooses to make it a struct.
712 */
713 unsigned long fsid = 0;
714 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
438 715
439 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 716 rv = sv_2mortal (newRV_noinc ((SV *)hv));
440 717
441 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 718 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
442 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 719 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
444 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 721 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
445 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 722 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
446 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 723 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
447 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 724 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
448 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 725 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
449 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 726 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
450 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 727 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
451 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 728 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
452 } 729 }
730#endif
453 731
454 PUSHs (rv); 732 PUSHs (rv);
455 } 733 }
456 734
457 break; 735 break;
… …
473 case EIO_NOP: 751 case EIO_NOP:
474 case EIO_BUSY: 752 case EIO_BUSY:
475 break; 753 break;
476 754
477 case EIO_READLINK: 755 case EIO_READLINK:
756 case EIO_REALPATH:
478 if (req->result > 0) 757 if (req->result > 0)
479 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 758 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
480 break; 759 break;
481 760
482 case EIO_STAT: 761 case EIO_STAT:
483 case EIO_LSTAT: 762 case EIO_LSTAT:
484 case EIO_FSTAT: 763 case EIO_FSTAT:
485 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 764 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
765
486 PL_laststatval = req->result; 766 if (!(PL_laststatval = req->result))
767 /* if compilation fails here then perl's Stat_t is not struct _stati64 */
487 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 768 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
769
488 PUSHs (sv_result); 770 PUSHs (sv_result);
771 break;
772
773 case EIO_SEEK:
774 PUSHs (req->result ? sv_result : sv_2mortal (newSVval64 (req->offs)));
489 break; 775 break;
490 776
491 case EIO_READ: 777 case EIO_READ:
492 { 778 {
493 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 779 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
… …
496 SvSETMAGIC (req->sv2); 782 SvSETMAGIC (req->sv2);
497 PUSHs (sv_result); 783 PUSHs (sv_result);
498 } 784 }
499 break; 785 break;
500 786
787 case EIO_SLURP:
788 {
789 if (req->result >= 0)
790 {
791 /* if length was originally not known, we steal the malloc'ed memory */
792 if (req->flags & EIO_FLAG_PTR2_FREE)
793 {
794 req->flags &= ~EIO_FLAG_PTR2_FREE;
795 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
796 }
797 else
798 {
799 SvCUR_set (req->sv2, req->result);
800 *SvEND (req->sv2) = 0;
801 SvPOK_only (req->sv2);
802 }
803
804 SvSETMAGIC (req->sv2);
805 }
806
807 PUSHs (sv_result);
808 }
809 break;
810
811 case EIO_CUSTOM:
812 if (req->feed == fiemap)
813 {
814#if HAVE_FIEMAP
815 if (!req->result)
816 {
817 struct fiemap *fiemap = (struct fiemap *)req->ptr1;
818
819 if (fiemap->fm_extent_count)
820 {
821 AV *av = newAV ();
822 int i;
823
824 while (fiemap->fm_mapped_extents)
825 {
826 struct fiemap_extent *extent = &fiemap->fm_extents [--fiemap->fm_mapped_extents];
827 AV *ext_av = newAV ();
828
829 av_store (ext_av, 3, newSVuv (extent->fe_flags));
830 av_store (ext_av, 2, newSVval64 (extent->fe_length));
831 av_store (ext_av, 1, newSVval64 (extent->fe_physical));
832 av_store (ext_av, 0, newSVval64 (extent->fe_logical));
833
834 av_store (av, fiemap->fm_mapped_extents, newRV_noinc ((SV *)ext_av));
835 }
836
837 PUSHs (sv_2mortal (newRV_noinc ((SV *)av)));
838 }
839 else
840 {
841 SvIV_set (sv_result, fiemap->fm_mapped_extents);
842 PUSHs (sv_result);
843 }
844 }
845#endif
846 }
847 else
848 PUSHs (sv_result);
849 break;
850
851#if 0
852 case EIO_CLOSE:
853 PerlIOUnix_refcnt_dec (req->int1);
854 break;
855#endif
856
501 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 857 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
502 if (req->result > 0) 858 if (req->result > 0)
503 SvIV_set (sv_result, 0); 859 SvIV_set (sv_result, 0);
504 /* FALLTHROUGH */ 860 /* FALLTHROUGH */
505 861
506 default: 862 default:
… …
526 } 882 }
527 883
528 return !!SvTRUE (ERRSV); 884 return !!SvTRUE (ERRSV);
529} 885}
530 886
887static void
531static void req_destroy (aio_req req) 888req_destroy (aio_req req)
532{ 889{
533 if (req->self) 890 if (req->self)
534 { 891 {
535 sv_unmagic (req->self, PERL_MAGIC_ext); 892 sv_unmagic (req->self, PERL_MAGIC_ext);
536 SvREFCNT_dec (req->self); 893 SvREFCNT_dec (req->self);
537 } 894 }
538 895
539 SvREFCNT_dec (req->sv1); 896 SvREFCNT_dec (req->sv1);
540 SvREFCNT_dec (req->sv2); 897 SvREFCNT_dec (req->sv2);
898 SvREFCNT_dec (req->sv3);
899 SvREFCNT_dec (req->sv4);
541 SvREFCNT_dec (req->callback); 900 SvREFCNT_dec (req->callback);
542 901
543 Safefree (req); 902 free (req);
544} 903}
545 904
905static void
546static void req_cancel_subs (aio_req grp) 906req_cancel_subs (aio_req grp)
547{ 907{
548 aio_req sub;
549
550 if (grp->type != EIO_GROUP) 908 if (grp->type != EIO_GROUP)
551 return; 909 return;
552 910
553 SvREFCNT_dec (grp->sv2); 911 SvREFCNT_dec (grp->sv2);
554 grp->sv2 = 0; 912 grp->sv2 = 0;
555 913
556 eio_grp_cancel (grp); 914 eio_grp_cancel (grp);
557} 915}
558 916
917ecb_cold
559static void 918static void
560create_respipe (void) 919create_respipe (void)
561{ 920{
562 if (s_epipe_renew (&respipe)) 921 if (s_epipe_renew (&respipe))
563 croak ("IO::AIO: unable to initialize result pipe"); 922 croak ("IO::AIO: unable to initialize result pipe");
564} 923}
565 924
566static void poll_wait (void) 925static void
926poll_wait (void)
567{ 927{
568 while (eio_nreqs ()) 928 while (eio_nreqs ())
569 { 929 {
570 int size; 930 int size;
571 931
572 X_LOCK (reslock); 932 X_LOCK (EIO_POOL->reslock);
573 size = res_queue.size; 933 size = EIO_POOL->res_queue.size;
574 X_UNLOCK (reslock); 934 X_UNLOCK (EIO_POOL->reslock);
575 935
576 if (size) 936 if (size)
577 return; 937 return;
578 938
579 etp_maybe_start_thread (); 939 etp_maybe_start_thread (EIO_POOL);
580 940
581 s_epipe_wait (&respipe); 941 s_epipe_wait (&respipe);
582 } 942 }
583} 943}
584 944
585static int poll_cb (void) 945static int
946poll_cb (void)
586{ 947{
587 for (;;) 948 for (;;)
588 { 949 {
589 int res = eio_poll (); 950 int res = eio_poll ();
590 951
… …
596 957
597 poll_wait (); 958 poll_wait ();
598 } 959 }
599} 960}
600 961
601static void atfork_child (void) 962ecb_cold
963static void
964reinit (void)
602{ 965{
603 create_respipe (); 966 create_respipe ();
604}
605 967
606/*****************************************************************************/ 968 if (eio_init (want_poll, done_poll) < 0)
607 969 croak ("IO::AIO: unable to initialise eio library");
608#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1)
611#endif
612
613#define MMAP_MAGIC PERL_MAGIC_ext
614
615static int
616mmap_free (pTHX_ SV *sv, MAGIC *mg)
617{
618 int old_errno = errno;
619 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
620 errno = old_errno;
621
622 mg->mg_obj = 0; /* just in case */
623
624 SvREADONLY_off (sv);
625 SvCUR_set (sv, 0);
626 SvLEN_set (sv, 0);
627 SvPVX (sv) = 0;
628 SvOK_off (sv);
629
630 return 0;
631} 970}
632
633static MGVTBL mmap_vtbl = {
634 0, 0, 0, 0, mmap_free
635};
636 971
637/*****************************************************************************/ 972/*****************************************************************************/
638 973
639static SV * 974static SV *
640get_cb (SV *cb_sv) 975get_cb (SV *cb_sv)
641{ 976{
642 SvGETMAGIC (cb_sv); 977 SvGETMAGIC (cb_sv);
643 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 978 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
644} 979}
645 980
981ecb_noinline
982static aio_req ecb_noinline
983dreq (SV *callback)
984{
985 SV *cb_cv;
986 aio_req req;
987 int req_pri = next_pri;
988 next_pri = EIO_PRI_DEFAULT;
989
990 cb_cv = get_cb (callback);
991
992 req = calloc (sizeof (*req), 1);
993 if (!req)
994 croak ("out of memory during eio_req allocation");
995
996 req->callback = SvREFCNT_inc (cb_cv);
997 req->pri = req_pri;
998
999 return req;
1000}
1001
646#define dREQ \ 1002#define dREQ \
647 SV *cb_cv; \ 1003 aio_req req = dreq (callback); \
648 aio_req req; \
649 int req_pri = next_pri; \
650 next_pri = EIO_PRI_DEFAULT; \
651 \
652 cb_cv = get_cb (callback); \
653 \
654 Newz (0, req, 1, eio_req); \
655 if (!req) \
656 croak ("out of memory during eio_req allocation"); \
657 \
658 req->callback = SvREFCNT_inc (cb_cv); \
659 req->pri = req_pri
660 1004
661#define REQ_SEND \ 1005#define REQ_SEND \
662 PUTBACK; \ 1006 PUTBACK; \
663 req_submit (req); \ 1007 req_submit (req); \
664 SPAGAIN; \ 1008 SPAGAIN; \
665 \ 1009 \
666 if (GIMME_V != G_VOID) \ 1010 if (GIMME_V != G_VOID) \
667 XPUSHs (req_sv (req, aio_req_stash)); 1011 XPUSHs (req_sv (req, aio_req_stash));
668 1012
1013/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
1014ecb_inline
1015void
1016req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
1017{
1018 if (expect_false (SvROK (path)))
1019 {
1020 SV *rv = SvRV (path);
1021 SV *wdob;
1022
1023 if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1)
1024 {
1025 path = AvARRAY (rv)[1];
1026 wdob = AvARRAY (rv)[0];
1027
1028 if (SvOK (wdob))
1029 {
1030 *wd = SvAIO_WD (wdob);
1031 *wdsv = SvREFCNT_inc_NN (SvRV (wdob));
1032 }
1033 else
1034 *wd = EIO_INVALID_WD;
1035 }
1036 else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash)
1037 {
1038 *wd = (aio_wd)(long)SvIVX (rv);
1039 *wdsv = SvREFCNT_inc_NN (rv);
1040 *ptr = ".";
1041 return; /* path set to "." */
1042 }
1043 else
1044 croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair");
1045 }
1046
1047 *pathsv = newSVsv (path);
1048 *ptr = SvPVbyte_nolen (*pathsv);
1049}
1050
1051ecb_noinline
1052static void
1053req_set_path1 (aio_req req, SV *path)
1054{
1055 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
1056}
1057
1058ecb_noinline
1059static void
1060req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
1061{
1062 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
1063
1064 switch (SvTYPE (rv))
1065 {
1066 case SVt_PVIO:
1067 case SVt_PVLV:
1068 case SVt_PVGV:
1069 req->type = type_fh;
1070 req->sv1 = newSVsv (fh_or_path);
1071 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1072 break;
1073
1074 default:
1075 req->type = type_path;
1076 req_set_path1 (req, fh_or_path);
1077 break;
1078 }
1079}
1080
1081/*****************************************************************************/
1082
1083static void
1084ts_set (struct timespec *ts, NV value)
1085{
1086 ts->tv_sec = value;
1087 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1088}
1089
1090static NV
1091ts_get (const struct timespec *ts)
1092{
1093 return ts->tv_sec + ts->tv_nsec * 1e-9;
1094}
1095
1096/*****************************************************************************/
1097
1098/* extract a ref-to-array of strings into a temporary c style string vector */
1099static char **
1100extract_stringvec (SV *sv, const char *croakmsg)
1101{
1102 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
1103 croak (croakmsg);
1104
1105 AV *av = (AV *)SvRV (sv);
1106 int i, nelem = av_len (av) + 1;
1107 char **vecp = (char **)SvPVX (sv_2mortal (newSV (sizeof (char *) * (nelem + 1))));
1108
1109 for (i = 0; i < nelem; ++i)
1110 {
1111 SV **e = av_fetch (av, i, 0);
1112
1113 if (e && *e)
1114 vecp[i] = SvPVbyte_nolen (*e);
1115 else
1116 vecp[i] = "";
1117 }
1118
1119 vecp[nelem] = 0;
1120
1121 return vecp;
1122}
1123
1124/*****************************************************************************/
1125
1126XS(boot_IO__AIO) ecb_cold;
1127
669MODULE = IO::AIO PACKAGE = IO::AIO 1128MODULE = IO::AIO PACKAGE = IO::AIO
670 1129
671PROTOTYPES: ENABLE 1130PROTOTYPES: ENABLE
672 1131
673BOOT: 1132BOOT:
… …
677 IV iv; 1136 IV iv;
678 } *civ, const_iv[] = { 1137 } *civ, const_iv[] = {
679# define const_niv(name, value) { # name, (IV) value }, 1138# define const_niv(name, value) { # name, (IV) value },
680# define const_iv(name) { # name, (IV) name }, 1139# define const_iv(name) { # name, (IV) name },
681# define const_eio(name) { # name, (IV) EIO_ ## name }, 1140# define const_eio(name) { # name, (IV) EIO_ ## name },
1141
1142 /* you have to re-run ./gendef0 after adding/removing any constants here */
1143 /* the first block can be undef if missing */
1144 const_iv (ENOSYS)
682 const_iv (EXDEV) 1145 const_iv (EXDEV)
683 const_iv (ENOSYS) 1146 const_iv (EBADR)
1147
1148 /* for lseek */
1149 const_iv (SEEK_DATA)
1150 const_iv (SEEK_HOLE)
1151
1152 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1153 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1154 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1155 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1156 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1157 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1158
1159 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1160 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1161 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1162 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1163 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1164
1165 /* the second block will be 0 when missing */
1166 const_iv (O_ACCMODE)
1167
684 const_iv (O_RDONLY) 1168 const_iv (O_RDONLY)
685 const_iv (O_WRONLY) 1169 const_iv (O_WRONLY)
686 const_iv (O_RDWR) 1170 const_iv (O_RDWR)
687 const_iv (O_CREAT) 1171 const_iv (O_CREAT)
688 const_iv (O_TRUNC) 1172 const_iv (O_TRUNC)
689 const_iv (O_EXCL) 1173 const_iv (O_EXCL)
690 const_iv (O_APPEND) 1174 const_iv (O_APPEND)
691#ifndef _WIN32 1175
1176 const_iv (O_ASYNC)
1177 const_iv (O_DIRECT)
1178 const_iv (O_NOATIME)
1179
1180 const_iv (O_CLOEXEC)
1181 const_iv (O_NOCTTY)
1182 const_iv (O_NOFOLLOW)
1183 const_iv (O_NONBLOCK)
1184 const_iv (O_EXEC)
1185 const_iv (O_SEARCH)
1186 const_iv (O_DIRECTORY)
1187 const_iv (O_DSYNC)
1188 const_iv (O_RSYNC)
1189 const_iv (O_SYNC)
1190 const_iv (O_PATH)
1191 const_iv (O_TMPFILE)
1192 const_iv (O_TTY_INIT)
1193
692 const_iv (S_IFIFO) 1194 const_iv (S_IFIFO)
693#endif 1195 const_iv (S_IFCHR)
694 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 1196 const_iv (S_IFBLK)
695 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 1197 const_iv (S_IFLNK)
696 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 1198 const_iv (S_IFREG)
697 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 1199 const_iv (S_IFDIR)
698 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 1200 const_iv (S_IFWHT)
699 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 1201 const_iv (S_IFSOCK)
1202 const_iv (S_IFMT)
700 1203
701 const_iv (ST_RDONLY) 1204 const_iv (ST_RDONLY)
702 const_iv (ST_NOSUID) 1205 const_iv (ST_NOSUID)
703 const_iv (ST_NODEV) 1206 const_iv (ST_NODEV)
704 const_iv (ST_NOEXEC) 1207 const_iv (ST_NOEXEC)
… …
709 const_iv (ST_IMMUTABLE) 1212 const_iv (ST_IMMUTABLE)
710 const_iv (ST_NOATIME) 1213 const_iv (ST_NOATIME)
711 const_iv (ST_NODIRATIME) 1214 const_iv (ST_NODIRATIME)
712 const_iv (ST_RELATIME) 1215 const_iv (ST_RELATIME)
713 1216
1217 const_iv (PROT_NONE)
714 const_iv (PROT_EXEC) 1218 const_iv (PROT_EXEC)
715 const_iv (PROT_NONE)
716 const_iv (PROT_READ) 1219 const_iv (PROT_READ)
717 const_iv (PROT_WRITE) 1220 const_iv (PROT_WRITE)
718 1221
719 /*const_iv (MAP_FIXED)*/
720 const_iv (MAP_PRIVATE) 1222 const_iv (MAP_PRIVATE)
721 const_iv (MAP_SHARED) 1223 const_iv (MAP_SHARED)
1224 const_iv (MAP_FIXED)
722 const_iv (MAP_ANONYMOUS) 1225 const_iv (MAP_ANONYMOUS)
723 1226
724 /* linuxish */ 1227 /* linuxish */
725 const_iv (MAP_HUGETLB)
726 const_iv (MAP_LOCKED) 1228 const_iv (MAP_LOCKED)
727 const_iv (MAP_NORESERVE) 1229 const_iv (MAP_NORESERVE)
728 const_iv (MAP_POPULATE) 1230 const_iv (MAP_POPULATE)
729 const_iv (MAP_NONBLOCK) 1231 const_iv (MAP_NONBLOCK)
1232 const_iv (MAP_GROWSDOWN)
1233 const_iv (MAP_32BIT)
1234 const_iv (MAP_HUGETLB)
1235 const_iv (MAP_STACK)
1236 const_iv (MAP_FIXED_NOREPLACE)
1237 const_iv (MAP_SHARED_VALIDATE)
1238 const_iv (MAP_SYNC)
1239 const_iv (MAP_UNINITIALIZED)
730 1240
1241 const_iv (MREMAP_MAYMOVE)
1242 const_iv (MREMAP_FIXED)
1243
1244 const_iv (MSG_CMSG_CLOEXEC)
1245 const_iv (SOCK_CLOEXEC)
1246
1247 const_iv (F_DUPFD_CLOEXEC)
1248
1249 const_iv (F_ADD_SEALS)
1250 const_iv (F_GET_SEALS)
1251 const_iv (F_SEAL_SEAL)
1252 const_iv (F_SEAL_SHRINK)
1253 const_iv (F_SEAL_GROW)
1254 const_iv (F_SEAL_WRITE)
1255
1256 const_iv (F_OFD_GETLK)
1257 const_iv (F_OFD_SETLK)
1258 const_iv (F_OFD_GETLKW)
1259
1260 const_iv (FIFREEZE)
1261 const_iv (FITHAW)
1262 const_iv (FITRIM)
1263 const_iv (FICLONE)
1264 const_iv (FICLONERANGE)
1265 const_iv (FIDEDUPERANGE)
1266
1267 const_iv (FS_IOC_GETFLAGS)
1268 const_iv (FS_IOC_SETFLAGS)
1269 const_iv (FS_IOC_GETVERSION)
1270 const_iv (FS_IOC_SETVERSION)
1271 const_iv (FS_IOC_FIEMAP)
1272 const_iv (FS_IOC_FSGETXATTR)
1273 const_iv (FS_IOC_FSSETXATTR)
1274 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1275 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1276 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1277
1278 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1279
1280 const_iv (FS_SECRM_FL)
1281 const_iv (FS_UNRM_FL)
1282 const_iv (FS_COMPR_FL)
1283 const_iv (FS_SYNC_FL)
1284 const_iv (FS_IMMUTABLE_FL)
1285 const_iv (FS_APPEND_FL)
1286 const_iv (FS_NODUMP_FL)
1287 const_iv (FS_NOATIME_FL)
1288 const_iv (FS_DIRTY_FL)
1289 const_iv (FS_COMPRBLK_FL)
1290 const_iv (FS_NOCOMP_FL)
1291 const_iv (FS_ENCRYPT_FL)
1292 const_iv (FS_BTREE_FL)
1293 const_iv (FS_INDEX_FL)
1294 const_iv (FS_JOURNAL_DATA_FL)
1295 const_iv (FS_NOTAIL_FL)
1296 const_iv (FS_DIRSYNC_FL)
1297 const_iv (FS_TOPDIR_FL)
1298 const_iv (FS_FL_USER_MODIFIABLE)
1299
1300 const_iv (FS_XFLAG_REALTIME)
1301 const_iv (FS_XFLAG_PREALLOC)
1302 const_iv (FS_XFLAG_IMMUTABLE)
1303 const_iv (FS_XFLAG_APPEND)
1304 const_iv (FS_XFLAG_SYNC)
1305 const_iv (FS_XFLAG_NOATIME)
1306 const_iv (FS_XFLAG_NODUMP)
1307 const_iv (FS_XFLAG_RTINHERIT)
1308 const_iv (FS_XFLAG_PROJINHERIT)
1309 const_iv (FS_XFLAG_NOSYMLINKS)
1310 const_iv (FS_XFLAG_EXTSIZE)
1311 const_iv (FS_XFLAG_EXTSZINHERIT)
1312 const_iv (FS_XFLAG_NODEFRAG)
1313 const_iv (FS_XFLAG_FILESTREAM)
1314 const_iv (FS_XFLAG_DAX)
1315 const_iv (FS_XFLAG_HASATTR)
1316
1317 const_iv (FIEMAP_FLAG_SYNC)
1318 const_iv (FIEMAP_FLAG_XATTR)
1319 const_iv (FIEMAP_FLAGS_COMPAT)
1320 const_iv (FIEMAP_EXTENT_LAST)
1321 const_iv (FIEMAP_EXTENT_UNKNOWN)
1322 const_iv (FIEMAP_EXTENT_DELALLOC)
1323 const_iv (FIEMAP_EXTENT_ENCODED)
1324 const_iv (FIEMAP_EXTENT_DATA_ENCRYPTED)
1325 const_iv (FIEMAP_EXTENT_NOT_ALIGNED)
1326 const_iv (FIEMAP_EXTENT_DATA_INLINE)
1327 const_iv (FIEMAP_EXTENT_DATA_TAIL)
1328 const_iv (FIEMAP_EXTENT_UNWRITTEN)
1329 const_iv (FIEMAP_EXTENT_MERGED)
1330 const_iv (FIEMAP_EXTENT_SHARED)
1331
1332 const_iv (SPLICE_F_MOVE)
1333 const_iv (SPLICE_F_NONBLOCK)
1334 const_iv (SPLICE_F_MORE)
1335 const_iv (SPLICE_F_GIFT)
1336
1337 const_iv (EFD_CLOEXEC)
1338 const_iv (EFD_NONBLOCK)
1339 const_iv (EFD_SEMAPHORE)
1340
1341 const_iv (MFD_CLOEXEC)
1342 const_iv (MFD_ALLOW_SEALING)
1343 const_iv (MFD_HUGETLB)
1344 const_iv (MFD_HUGETLB_2MB)
1345 const_iv (MFD_HUGETLB_1GB)
1346
1347 const_iv (CLOCK_REALTIME)
1348 const_iv (CLOCK_MONOTONIC)
1349 const_iv (CLOCK_BOOTTIME)
1350 const_iv (CLOCK_REALTIME_ALARM)
1351 const_iv (CLOCK_BOOTTIME_ALARM)
1352
1353 const_iv (TFD_NONBLOCK)
1354 const_iv (TFD_CLOEXEC)
1355
1356 const_iv (TFD_TIMER_ABSTIME)
1357 const_iv (TFD_TIMER_CANCEL_ON_SET)
1358
1359 const_iv (STATX_TYPE)
1360 const_iv (STATX_MODE)
1361 const_iv (STATX_NLINK)
1362 const_iv (STATX_UID)
1363 const_iv (STATX_GID)
1364 const_iv (STATX_ATIME)
1365 const_iv (STATX_MTIME)
1366 const_iv (STATX_CTIME)
1367 const_iv (STATX_INO)
1368 const_iv (STATX_SIZE)
1369 const_iv (STATX_BLOCKS)
1370 const_iv (STATX_BASIC_STATS)
1371 const_iv (STATX_ALL)
1372 const_iv (STATX_BTIME)
1373 const_iv (STATX_ATTR_COMPRESSED)
1374 const_iv (STATX_ATTR_IMMUTABLE)
1375 const_iv (STATX_ATTR_APPEND)
1376 const_iv (STATX_ATTR_NODUMP)
1377 const_iv (STATX_ATTR_ENCRYPTED)
1378 const_iv (STATX_ATTR_AUTOMOUNT)
1379
1380 const_iv (AT_FDCWD)
1381 const_iv (AT_SYMLINK_NOFOLLOW)
1382 const_iv (AT_EACCESS)
1383 const_iv (AT_REMOVEDIR)
1384 const_iv (AT_SYMLINK_FOLLOW)
1385 const_iv (AT_NO_AUTOMOUNT)
1386 const_iv (AT_EMPTY_PATH)
1387 const_iv (AT_STATX_SYNC_TYPE)
1388 const_iv (AT_STATX_AS_STAT)
1389 const_iv (AT_STATX_FORCE_SYNC)
1390 const_iv (AT_STATX_DONT_SYNC)
1391 const_iv (AT_RECURSIVE)
1392
1393 const_iv (OPEN_TREE_CLONE)
1394
1395 const_iv (FSOPEN_CLOEXEC)
1396
1397 const_iv (FSPICK_CLOEXEC)
1398 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1399 const_iv (FSPICK_NO_AUTOMOUNT)
1400 const_iv (FSPICK_EMPTY_PATH)
1401
1402 const_iv (MOVE_MOUNT_F_SYMLINKS)
1403 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1404 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1405 const_iv (MOVE_MOUNT_T_SYMLINKS)
1406 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1407 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1408
1409 /* waitid */
1410 const_iv (P_PID)
1411 const_iv (P_PIDFD)
1412 const_iv (P_PGID)
1413 const_iv (P_ALL)
1414
1415 const_iv (FSCONFIG_SET_FLAG)
1416 const_iv (FSCONFIG_SET_STRING)
1417 const_iv (FSCONFIG_SET_BINARY)
1418 const_iv (FSCONFIG_SET_PATH)
1419 const_iv (FSCONFIG_SET_PATH_EMPTY)
1420 const_iv (FSCONFIG_SET_FD)
1421 const_iv (FSCONFIG_CMD_CREATE)
1422 const_iv (FSCONFIG_CMD_RECONFIGURE)
1423
1424 const_iv (MOUNT_ATTR_RDONLY)
1425 const_iv (MOUNT_ATTR_NOSUID)
1426 const_iv (MOUNT_ATTR_NODEV)
1427 const_iv (MOUNT_ATTR_NOEXEC)
1428 const_iv (MOUNT_ATTR__ATIME)
1429 const_iv (MOUNT_ATTR_RELATIME)
1430 const_iv (MOUNT_ATTR_NOATIME)
1431 const_iv (MOUNT_ATTR_STRICTATIME)
1432 const_iv (MOUNT_ATTR_NODIRATIME)
1433
1434 /* these are libeio constants, and are independent of gendef0 */
1435 const_eio (SEEK_SET)
1436 const_eio (SEEK_CUR)
1437 const_eio (SEEK_END)
1438
731 const_iv (MCL_FUTURE) 1439 const_eio (MCL_FUTURE)
732 const_iv (MCL_CURRENT) 1440 const_eio (MCL_CURRENT)
1441 const_eio (MCL_ONFAULT)
733 1442
734 const_eio (MS_ASYNC) 1443 const_eio (MS_ASYNC)
735 const_eio (MS_INVALIDATE) 1444 const_eio (MS_INVALIDATE)
736 const_eio (MS_SYNC) 1445 const_eio (MS_SYNC)
737 1446
738 const_eio (MT_MODIFY) 1447 const_eio (MT_MODIFY)
739 1448
740 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1449 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
741 const_eio (SYNC_FILE_RANGE_WRITE) 1450 const_eio (SYNC_FILE_RANGE_WRITE)
742 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1451 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
1452
1453 const_eio (FALLOC_FL_KEEP_SIZE)
1454 const_eio (FALLOC_FL_PUNCH_HOLE)
1455 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1456 const_eio (FALLOC_FL_ZERO_RANGE)
1457 const_eio (FALLOC_FL_INSERT_RANGE)
1458 const_eio (FALLOC_FL_UNSHARE_RANGE)
1459
1460 const_eio (RENAME_NOREPLACE)
1461 const_eio (RENAME_EXCHANGE)
1462 const_eio (RENAME_WHITEOUT)
743 1463
744 const_eio (READDIR_DENTS) 1464 const_eio (READDIR_DENTS)
745 const_eio (READDIR_DIRS_FIRST) 1465 const_eio (READDIR_DIRS_FIRST)
746 const_eio (READDIR_STAT_ORDER) 1466 const_eio (READDIR_STAT_ORDER)
747 const_eio (READDIR_FOUND_UNKNOWN) 1467 const_eio (READDIR_FOUND_UNKNOWN)
… …
758 }; 1478 };
759 1479
760 aio_stash = gv_stashpv ("IO::AIO" , 1); 1480 aio_stash = gv_stashpv ("IO::AIO" , 1);
761 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 1481 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
762 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 1482 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
1483 aio_wd_stash = gv_stashpv ("IO::AIO::WD" , 1);
763 1484
764 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1485 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
765 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 1486 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
766 1487
767 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1488 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
768 1489
769 create_respipe (); 1490 /* allocate dummy pipe fd for aio_close */
1491 {
1492 int pipefd [2];
770 1493
771 if (eio_init (want_poll, done_poll) < 0) 1494 if (
772 croak ("IO::AIO: unable to initialise eio library"); 1495#ifdef _WIN32
1496 _pipe (pipefd, 1, _O_BINARY) < 0
1497#else
1498 pipe (pipefd) < 0
1499 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1500#endif
1501 || close (pipefd [1]) < 0
1502 )
1503 croak ("IO::AIO: unable to create dummy pipe for aio_close");
773 1504
774 /* atfork child called in fifo order, so before eio's handler */ 1505 close_fd = pipefd [0];
775 X_THREAD_ATFORK (0, 0, atfork_child); 1506 }
776}
777 1507
1508 reinit ();
1509}
1510
778void 1511void
1512reinit ()
1513 PROTOTYPE:
1514
1515void
779max_poll_reqs (int nreqs) 1516max_poll_reqs (unsigned int nreqs)
780 PROTOTYPE: $ 1517 PROTOTYPE: $
781 CODE: 1518 CODE:
782 eio_set_max_poll_reqs (nreqs); 1519 eio_set_max_poll_reqs (nreqs);
783 1520
784void 1521void
… …
786 PROTOTYPE: $ 1523 PROTOTYPE: $
787 CODE: 1524 CODE:
788 eio_set_max_poll_time (nseconds); 1525 eio_set_max_poll_time (nseconds);
789 1526
790void 1527void
791min_parallel (int nthreads) 1528min_parallel (unsigned int nthreads)
792 PROTOTYPE: $ 1529 PROTOTYPE: $
793 CODE: 1530 CODE:
794 eio_set_min_parallel (nthreads); 1531 eio_set_min_parallel (nthreads);
795 1532
796void 1533void
797max_parallel (int nthreads) 1534max_parallel (unsigned int nthreads)
798 PROTOTYPE: $ 1535 PROTOTYPE: $
799 CODE: 1536 CODE:
800 eio_set_max_parallel (nthreads); 1537 eio_set_max_parallel (nthreads);
801 1538
802void 1539void
803max_idle (int nthreads) 1540max_idle (unsigned int nthreads)
804 PROTOTYPE: $ 1541 PROTOTYPE: $
805 CODE: 1542 CODE:
806 eio_set_max_idle (nthreads); 1543 eio_set_max_idle (nthreads);
807 1544
808void 1545void
1546idle_timeout (unsigned int seconds)
1547 PROTOTYPE: $
1548 CODE:
1549 eio_set_idle_timeout (seconds);
1550
1551void
809max_outstanding (int maxreqs) 1552max_outstanding (unsigned int maxreqs)
810 PROTOTYPE: $ 1553 PROTOTYPE: $
811 CODE: 1554 CODE:
812 max_outstanding = maxreqs; 1555 max_outstanding = maxreqs;
813 1556
814void 1557void
815aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1558aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
816 PROTOTYPE: $$$;$
817 PPCODE: 1559 PPCODE:
818{ 1560{
819 dREQ; 1561 dREQ;
820 1562
1563 req->type = EIO_WD_OPEN;
1564 req_set_path1 (req, pathname);
1565
1566 REQ_SEND;
1567}
1568
1569void
1570aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1571 PPCODE:
1572{
1573 dREQ;
1574
821 req->type = EIO_OPEN; 1575 req->type = EIO_OPEN;
822 req->sv1 = newSVsv (pathname); 1576 req_set_path1 (req, pathname);
823 req->ptr1 = SvPVbyte_nolen (req->sv1);
824 req->int1 = flags; 1577 req->int1 = flags;
825 req->int2 = mode; 1578 req->int2 = mode;
826 1579
827 REQ_SEND; 1580 REQ_SEND;
828} 1581}
829 1582
830void 1583void
831aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1584aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
832 PROTOTYPE: $;$
833 ALIAS: 1585 ALIAS:
834 aio_fsync = EIO_FSYNC 1586 aio_fsync = EIO_FSYNC
835 aio_fdatasync = EIO_FDATASYNC 1587 aio_fdatasync = EIO_FDATASYNC
1588 aio_syncfs = EIO_SYNCFS
836 PPCODE: 1589 PPCODE:
837{ 1590{
838 int fd = s_fileno_croak (fh, 0); 1591 int fd = s_fileno_croak (fh, 0);
839 dREQ; 1592 dREQ;
840 1593
841 req->type = ix; 1594 req->type = ix;
842 req->sv1 = newSVsv (fh); 1595 req->sv1 = newSVsv (fh);
843 req->int1 = fd; 1596 req->int1 = fd;
844 1597
845 REQ_SEND (req); 1598 REQ_SEND;
846} 1599}
847 1600
848void 1601void
849aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1602aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
850 PROTOTYPE: $$$$;$
851 PPCODE: 1603 PPCODE:
852{ 1604{
853 int fd = s_fileno_croak (fh, 0); 1605 int fd = s_fileno_croak (fh, 0);
854 dREQ; 1606 dREQ;
855 1607
856 req->type = EIO_SYNC_FILE_RANGE; 1608 req->type = EIO_SYNC_FILE_RANGE;
857 req->sv1 = newSVsv (fh); 1609 req->sv1 = newSVsv (fh);
858 req->int1 = fd; 1610 req->int1 = fd;
859 req->offs = offset; 1611 req->offs = offset;
860 req->size = nbytes; 1612 req->size = nbytes;
861 req->int2 = flags; 1613 req->int2 = flags;
862 1614
863 REQ_SEND (req); 1615 REQ_SEND;
864} 1616}
865 1617
866void 1618void
867aio_close (SV *fh, SV *callback=&PL_sv_undef) 1619aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
868 PROTOTYPE: $;$
869 PPCODE: 1620 PPCODE:
870{ 1621{
871 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
872 int fd = s_fileno_croak (fh, 0); 1622 int fd = s_fileno_croak (fh, 0);
873 dREQ; 1623 dREQ;
874 1624
875 if (close_pipe < 0) 1625 req->type = EIO_FALLOCATE;
1626 req->sv1 = newSVsv (fh);
1627 req->int1 = fd;
1628 req->int2 = mode;
1629 req->offs = offset;
1630 req->size = len;
1631
1632 REQ_SEND;
1633}
1634
1635void
1636aio_close (SV *fh, SV *callback = &PL_sv_undef)
1637 PPCODE:
1638{
1639 int fd = s_fileno_croak (fh, 0);
1640 dREQ;
1641#if 0
1642 /* partially duplicate logic in s_fileno */
1643 SvGETMAGIC (fh);
1644
1645 if (SvROK (fh))
1646 {
1647 fh = SvRV (fh);
1648 SvGETMAGIC (fh);
1649 }
1650
1651 if (SvTYPE (fh) == SVt_PVGV)
876 { 1652 {
877 int pipefd [2]; 1653 /* perl filehandle */
1654 PerlIOUnix_refcnt_inc (fd);
1655 do_close ((GV *)fh, 1);
878 1656
879 if (pipe (pipefd) < 0 1657 req->type = EIO_CLOSE;
880 || close (pipefd [1]) < 0 1658 req->int1 = fd;
881 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0) 1659 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
882 abort (); /*D*/
883
884 close_pipe = pipefd [0];
885 } 1660 }
886 1661 else
1662#endif
1663 {
1664 /* fd number */
887 req->type = EIO_DUP2; 1665 req->type = EIO_DUP2;
888 req->int1 = close_pipe; 1666 req->int1 = close_fd;
1667 req->sv2 = newSVsv (fh);
1668 req->int2 = fd;
1669 }
1670
1671 REQ_SEND;
1672}
1673
1674void
1675aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1676 PPCODE:
1677{
1678 int fd = s_fileno_croak (fh, 0);
1679 dREQ;
1680
1681 req->type = EIO_SEEK;
889 req->sv2 = newSVsv (fh); 1682 req->sv1 = newSVsv (fh);
890 req->int2 = fd; 1683 req->int1 = fd;
1684 req->offs = SvVAL64 (offset);
1685 req->int2 = whence;
891 1686
892 REQ_SEND (req); 1687 REQ_SEND;
893} 1688}
894 1689
895void 1690void
896aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1691aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
897 ALIAS: 1692 ALIAS:
898 aio_read = EIO_READ 1693 aio_read = EIO_READ
899 aio_write = EIO_WRITE 1694 aio_write = EIO_WRITE
900 PROTOTYPE: $$$$$;$
901 PPCODE: 1695 PPCODE:
902{ 1696{
903 STRLEN svlen; 1697 STRLEN svlen;
904 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1698 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
905 char *svptr = SvPVbyte (data, svlen); 1699 char *svptr = SvPVbyte (data, svlen);
… …
918 len = svlen - dataoffset; 1712 len = svlen - dataoffset;
919 } 1713 }
920 else 1714 else
921 { 1715 {
922 /* read: check type and grow scalar as necessary */ 1716 /* read: check type and grow scalar as necessary */
923 SvUPGRADE (data, SVt_PV); 1717 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
924 svptr = SvGROW (data, len + dataoffset + 1); 1718 svptr = sv_grow (data, len + dataoffset + 1);
1719 else if (SvCUR (data) < len + dataoffset)
1720 croak ("length + dataoffset outside of scalar, and cannot grow");
925 } 1721 }
926 1722
927 { 1723 {
928 dREQ; 1724 dREQ;
929 1725
… …
945 REQ_SEND; 1741 REQ_SEND;
946 } 1742 }
947} 1743}
948 1744
949void 1745void
950aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1746aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
951 PROTOTYPE: $$;$ 1747 ALIAS:
1748 aio_ioctl = EIO_IOCTL
1749 aio_fcntl = EIO_FCNTL
952 PPCODE: 1750 PPCODE:
953{ 1751{
954 SV *data; 1752 int fd = s_fileno_croak (fh, 0);
1753 char *svptr;
1754
1755 if (SvPOK (arg) || !SvNIOK (arg))
1756 {
1757 STRLEN svlen;
1758 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1759#ifdef IOCPARM_LEN
1760 STRLEN need = IOCPARM_LEN (request);
1761#else
1762 STRLEN need = 256;
1763#endif
1764
1765 if (svlen < need)
1766 svptr = SvGROW (arg, need);
1767 }
1768 else
1769 svptr = (char *)SvIV (arg);
1770
1771 {
1772 dREQ;
1773
1774 req->type = ix;
1775 req->sv1 = newSVsv (fh);
1776 req->int1 = fd;
1777 req->int2 = (long)request;
1778 req->sv2 = SvREFCNT_inc (arg);
1779 req->ptr2 = svptr;
1780
1781 REQ_SEND;
1782 }
1783}
1784
1785void
1786aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1787 ALIAS:
1788 aio_readlink = EIO_READLINK
1789 aio_realpath = EIO_REALPATH
1790 PPCODE:
1791{
955 dREQ; 1792 dREQ;
956 1793
957 req->type = EIO_READLINK; 1794 req->type = ix;
958 req->sv1 = newSVsv (path); 1795 req_set_path1 (req, pathname);
959 req->ptr1 = SvPVbyte_nolen (req->sv1);
960 1796
961 REQ_SEND; 1797 REQ_SEND;
962} 1798}
963 1799
964void 1800void
965aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1801aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
966 PROTOTYPE: $$$$;$
967 PPCODE: 1802 PPCODE:
968{ 1803{
969 int ifd = s_fileno_croak (in_fh , 0); 1804 int ifd = s_fileno_croak (in_fh , 0);
970 int ofd = s_fileno_croak (out_fh, 1); 1805 int ofd = s_fileno_croak (out_fh, 1);
971 dREQ; 1806 dREQ;
972 1807
973 req->type = EIO_SENDFILE; 1808 req->type = EIO_SENDFILE;
974 req->sv1 = newSVsv (out_fh); 1809 req->sv1 = newSVsv (out_fh);
975 req->int1 = ofd; 1810 req->int1 = ofd;
… …
980 1815
981 REQ_SEND; 1816 REQ_SEND;
982} 1817}
983 1818
984void 1819void
985aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1820aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
986 PROTOTYPE: $$$;$
987 PPCODE: 1821 PPCODE:
988{ 1822{
989 int fd = s_fileno_croak (fh, 0); 1823 int fd = s_fileno_croak (fh, 0);
990 dREQ; 1824 dREQ;
991 1825
992 req->type = EIO_READAHEAD; 1826 req->type = EIO_READAHEAD;
993 req->sv1 = newSVsv (fh); 1827 req->sv1 = newSVsv (fh);
994 req->int1 = fd; 1828 req->int1 = fd;
… …
997 1831
998 REQ_SEND; 1832 REQ_SEND;
999} 1833}
1000 1834
1001void 1835void
1002aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1836aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1003 ALIAS: 1837 ALIAS:
1004 aio_stat = EIO_STAT 1838 aio_stat = EIO_STAT
1005 aio_lstat = EIO_LSTAT 1839 aio_lstat = EIO_LSTAT
1006 aio_statvfs = EIO_STATVFS 1840 aio_statvfs = EIO_STATVFS
1007 PPCODE: 1841 PPCODE:
1008{ 1842{
1009 dREQ; 1843 dREQ;
1010 1844
1011 req->sv1 = newSVsv (fh_or_path); 1845 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1012
1013 if (SvPOK (req->sv1))
1014 {
1015 req->type = ix;
1016 req->ptr1 = SvPVbyte_nolen (req->sv1);
1017 }
1018 else
1019 {
1020 req->type = ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT;
1021 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1022 }
1023 1846
1024 REQ_SEND; 1847 REQ_SEND;
1025} 1848}
1026 1849
1027void 1850void
1851st_xtime ()
1852 ALIAS:
1853 st_atime = 0x01
1854 st_mtime = 0x02
1855 st_ctime = 0x04
1856 st_btime = 0x08
1857 st_xtime = 0x0f
1858 PPCODE:
1859 EXTEND (SP, 4);
1860 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1861 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1862 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1863 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1864
1865void
1866st_xtimensec ()
1867 ALIAS:
1868 st_atimensec = 0x01
1869 st_mtimensec = 0x02
1870 st_ctimensec = 0x04
1871 st_btimensec = 0x08
1872 st_xtimensec = 0x0f
1873 st_btimesec = 0x10
1874 st_gen = 0x20
1875 PPCODE:
1876 EXTEND (SP, 4);
1877 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1878 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1879 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1880 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1881 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1882 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1883
1884UV
1885major (UV dev)
1886 ALIAS:
1887 minor = 1
1888 CODE:
1889 RETVAL = ix ? minor (dev) : major (dev);
1890 OUTPUT:
1891 RETVAL
1892
1893UV
1894makedev (UV maj, UV min)
1895 CODE:
1896 RETVAL = makedev (maj, min);
1897 OUTPUT:
1898 RETVAL
1899
1900void
1028aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1901aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1029 PPCODE: 1902 PPCODE:
1030{ 1903{
1031 dREQ; 1904 dREQ;
1032 1905
1033 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1906 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1034 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.; 1907 req->nv2 = SvOK (mtime) ? SvNV (mtime) : -1.;
1035 req->sv1 = newSVsv (fh_or_path); 1908 req_set_fh_or_path (req, EIO_UTIME, EIO_FUTIME, fh_or_path);
1036
1037 if (SvPOK (req->sv1))
1038 {
1039 req->type = EIO_UTIME;
1040 req->ptr1 = SvPVbyte_nolen (req->sv1);
1041 }
1042 else
1043 {
1044 req->type = EIO_FUTIME;
1045 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1046 }
1047 1909
1048 REQ_SEND; 1910 REQ_SEND;
1049} 1911}
1050 1912
1051void 1913void
1052aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1914aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1053 PPCODE: 1915 PPCODE:
1054{ 1916{
1055 dREQ; 1917 dREQ;
1056 1918
1057 req->sv1 = newSVsv (fh_or_path);
1058 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1919 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1059 1920 req_set_fh_or_path (req, EIO_TRUNCATE, EIO_FTRUNCATE, fh_or_path);
1060 if (SvPOK (req->sv1))
1061 {
1062 req->type = EIO_TRUNCATE;
1063 req->ptr1 = SvPVbyte_nolen (req->sv1);
1064 }
1065 else
1066 {
1067 req->type = EIO_FTRUNCATE;
1068 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1069 }
1070 1921
1071 REQ_SEND; 1922 REQ_SEND;
1072} 1923}
1073 1924
1074void 1925void
1075aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1926aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1076 ALIAS:
1077 aio_chmod = EIO_CHMOD
1078 aio_mkdir = EIO_MKDIR
1079 PPCODE: 1927 PPCODE:
1080{ 1928{
1081 dREQ; 1929 dREQ;
1082 1930
1083 req->int2 = mode; 1931 req->int2 = mode;
1084 req->sv1 = newSVsv (fh_or_path); 1932 req_set_fh_or_path (req, EIO_CHMOD, EIO_FCHMOD, fh_or_path);
1085
1086 if (SvPOK (req->sv1))
1087 {
1088 req->type = ix;
1089 req->ptr1 = SvPVbyte_nolen (req->sv1);
1090 }
1091 else
1092 {
1093 req->type = EIO_FCHMOD;
1094 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1095 }
1096 1933
1097 REQ_SEND; 1934 REQ_SEND;
1098} 1935}
1099 1936
1100void 1937void
1101aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1938aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1102 PPCODE: 1939 PPCODE:
1103{ 1940{
1104 dREQ; 1941 dREQ;
1105 1942
1106 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1943 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1107 req->int3 = SvOK (gid) ? SvIV (gid) : -1; 1944 req->int3 = SvOK (gid) ? SvIV (gid) : -1;
1108 req->sv1 = newSVsv (fh_or_path); 1945 req_set_fh_or_path (req, EIO_CHOWN, EIO_FCHOWN, fh_or_path);
1109
1110 if (SvPOK (req->sv1))
1111 {
1112 req->type = EIO_CHOWN;
1113 req->ptr1 = SvPVbyte_nolen (req->sv1);
1114 }
1115 else
1116 {
1117 req->type = EIO_FCHOWN;
1118 req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh_or_path)));
1119 }
1120 1946
1121 REQ_SEND; 1947 REQ_SEND;
1122} 1948}
1123 1949
1124void 1950void
1125aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1951aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1126 PPCODE: 1952 PPCODE:
1127{ 1953{
1128 dREQ; 1954 dREQ;
1129 1955
1130 req->type = EIO_READDIR; 1956 req->type = EIO_READDIR;
1131 req->sv1 = newSVsv (pathname);
1132 req->ptr1 = SvPVbyte_nolen (req->sv1);
1133 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1; 1957 req->int1 = flags | EIO_READDIR_DENTS | EIO_READDIR_CUSTOM1;
1134 1958
1135 if (flags & EIO_READDIR_DENTS) 1959 if (flags & EIO_READDIR_DENTS)
1136 req->int1 |= EIO_READDIR_CUSTOM2; 1960 req->int1 |= EIO_READDIR_CUSTOM2;
1137 1961
1962 req_set_path1 (req, pathname);
1963
1138 REQ_SEND; 1964 REQ_SEND;
1139} 1965}
1140 1966
1141void 1967void
1968aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1969 PPCODE:
1970{
1971 dREQ;
1972
1973 req->type = EIO_MKDIR;
1974 req->int2 = mode;
1975 req_set_path1 (req, pathname);
1976
1977 REQ_SEND;
1978}
1979
1980void
1142aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1981aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1143 ALIAS: 1982 ALIAS:
1144 aio_unlink = EIO_UNLINK 1983 aio_unlink = EIO_UNLINK
1145 aio_rmdir = EIO_RMDIR 1984 aio_rmdir = EIO_RMDIR
1146 aio_readdir = EIO_READDIR 1985 aio_readdir = EIO_READDIR
1147 PPCODE: 1986 PPCODE:
1148{ 1987{
1149 dREQ; 1988 dREQ;
1150 1989
1151 req->type = ix; 1990 req->type = ix;
1152 req->sv1 = newSVsv (pathname); 1991 req_set_path1 (req, pathname);
1153 req->ptr1 = SvPVbyte_nolen (req->sv1);
1154 1992
1155 REQ_SEND; 1993 REQ_SEND;
1156} 1994}
1157 1995
1158void 1996void
1159aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1997aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1160 ALIAS: 1998 ALIAS:
1161 aio_link = EIO_LINK 1999 aio_link = EIO_LINK
1162 aio_symlink = EIO_SYMLINK 2000 aio_symlink = EIO_SYMLINK
1163 aio_rename = EIO_RENAME 2001 aio_rename = EIO_RENAME
1164 PPCODE: 2002 PPCODE:
1165{ 2003{
2004 eio_wd wd2 = 0;
1166 dREQ; 2005 dREQ;
1167 2006
1168 req->type = ix; 2007 req->type = ix;
1169 req->sv1 = newSVsv (oldpath); 2008 req_set_path1 (req, oldpath);
1170 req->ptr1 = SvPVbyte_nolen (req->sv1); 2009 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1171 req->sv2 = newSVsv (newpath); 2010 req->int3 = (long)wd2;
1172 req->ptr2 = SvPVbyte_nolen (req->sv2);
1173 2011
1174 REQ_SEND; 2012 REQ_SEND;
1175} 2013}
1176 2014
1177void 2015void
2016aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
2017 PPCODE:
2018{
2019 eio_wd wd2 = 0;
2020 dREQ;
2021
2022 req->type = EIO_RENAME;
2023 req_set_path1 (req, oldpath);
2024 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
2025 req->int2 = flags;
2026 req->int3 = (long)wd2;
2027
2028 REQ_SEND;
2029}
2030
2031void
1178aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 2032aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1179 PPCODE: 2033 PPCODE:
1180{ 2034{
1181 dREQ; 2035 dREQ;
1182 2036
1183 req->type = EIO_MKNOD; 2037 req->type = EIO_MKNOD;
1184 req->sv1 = newSVsv (pathname);
1185 req->ptr1 = SvPVbyte_nolen (req->sv1);
1186 req->int2 = (mode_t)mode; 2038 req->int2 = (mode_t)mode;
1187 req->offs = dev; 2039 req->offs = dev;
2040 req_set_path1 (req, pathname);
1188 2041
1189 REQ_SEND; 2042 REQ_SEND;
1190} 2043}
1191 2044
1192void 2045void
1193aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 2046aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1194 ALIAS: 2047 ALIAS:
1195 aio_mtouch = EIO_MTOUCH 2048 aio_mtouch = EIO_MTOUCH
1196 aio_msync = EIO_MSYNC 2049 aio_msync = EIO_MSYNC
1197 PROTOTYPE: $$$$;$
1198 PPCODE: 2050 PPCODE:
1199{ 2051{
1200 STRLEN svlen; 2052 STRLEN svlen;
2053 char *svptr = SvPVbyte (data, svlen);
1201 UV len = SvUV (length); 2054 UV len = SvUV (length);
1202 char *svptr = SvPVbyte (data, svlen); 2055
2056 if (flags < 0)
2057 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1203 2058
1204 if (offset < 0) 2059 if (offset < 0)
1205 offset += svlen; 2060 offset += svlen;
1206 2061
1207 if (offset < 0 || offset > svlen) 2062 if (offset < 0 || offset > svlen)
… …
1212 2067
1213 { 2068 {
1214 dREQ; 2069 dREQ;
1215 2070
1216 req->type = ix; 2071 req->type = ix;
1217 req->size = len;
1218 req->sv2 = SvREFCNT_inc (data); 2072 req->sv2 = SvREFCNT_inc (data);
1219 req->ptr2 = (char *)svptr + offset; 2073 req->ptr2 = (char *)svptr + offset;
2074 req->size = len;
1220 req->int1 = flags; 2075 req->int1 = flags;
1221 2076
1222 REQ_SEND; 2077 REQ_SEND;
1223 } 2078 }
1224} 2079}
1225 2080
1226void 2081void
2082aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
2083 PPCODE:
2084{
2085 STRLEN svlen;
2086 char *svptr = SvPVbyte (data, svlen);
2087 UV len = SvUV (length);
2088
2089 if (offset < 0)
2090 offset += svlen;
2091
2092 if (offset < 0 || offset > svlen)
2093 croak ("offset outside of scalar");
2094
2095 if (!SvOK (length) || len + offset > svlen)
2096 len = svlen - offset;
2097
2098 {
2099 dREQ;
2100
2101 req->type = EIO_MLOCK;
2102 req->sv2 = SvREFCNT_inc (data);
2103 req->ptr2 = (char *)svptr + offset;
2104 req->size = len;
2105
2106 REQ_SEND;
2107 }
2108}
2109
2110void
2111aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
2112 PPCODE:
2113{
2114 dREQ;
2115
2116 req->type = EIO_MLOCKALL;
2117 req->int1 = flags;
2118
2119 REQ_SEND;
2120}
2121
2122void
2123aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
2124 PPCODE:
2125{
2126 int fd = s_fileno_croak (fh, 0);
2127 dREQ;
2128
2129 req->type = EIO_CUSTOM;
2130 req->sv1 = newSVsv (fh);
2131 req->int1 = fd;
2132
2133 req->feed = fiemap;
2134#if HAVE_FIEMAP
2135 /* keep our fingers crossed that the next two types are 64 bit */
2136 req->offs = start;
2137 req->size = SvOK (length) ? SvVAL64 (length) : ~0ULL;
2138 req->int2 = flags;
2139 req->int3 = SvOK (count) ? SvIV (count) : -1;
2140#endif
2141
2142 REQ_SEND;
2143}
2144
2145void
2146aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2147 PPCODE:
2148{
2149 char *svptr = 0;
2150
2151 sv_clear_foreign (data);
2152
2153 if (length) /* known length, directly read into scalar */
2154 {
2155 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2156 svptr = sv_grow (data, length + 1);
2157 else if (SvCUR (data) < length)
2158 croak ("length outside of scalar, and cannot grow");
2159 else
2160 svptr = SvPVbyte_nolen (data);
2161 }
2162
2163 {
2164 dREQ;
2165
2166 req->type = EIO_SLURP;
2167 req_set_path1 (req, pathname);
2168 req->offs = offset;
2169 req->size = length;
2170 req->sv2 = SvREFCNT_inc (data);
2171 req->ptr2 = svptr;
2172
2173 if (!SvREADONLY (data))
2174 {
2175 SvREADONLY_on (data);
2176 req->flags |= FLAG_SV2_RO_OFF;
2177 }
2178
2179 REQ_SEND;
2180 }
2181}
2182
2183void
1227aio_busy (double delay, SV *callback=&PL_sv_undef) 2184aio_busy (double delay, SV *callback = &PL_sv_undef)
1228 PPCODE: 2185 PPCODE:
1229{ 2186{
1230 dREQ; 2187 dREQ;
1231 2188
1232 req->type = EIO_BUSY; 2189 req->type = EIO_BUSY;
… …
1234 2191
1235 REQ_SEND; 2192 REQ_SEND;
1236} 2193}
1237 2194
1238void 2195void
1239aio_group (SV *callback=&PL_sv_undef) 2196aio_group (SV *callback = &PL_sv_undef)
1240 PROTOTYPE: ;$
1241 PPCODE: 2197 PPCODE:
1242{ 2198{
1243 dREQ; 2199 dREQ;
1244 2200
1245 req->type = EIO_GROUP; 2201 req->type = EIO_GROUP;
1246 2202
2203 PUTBACK;
1247 req_submit (req); 2204 req_submit (req);
2205 SPAGAIN;
2206
1248 XPUSHs (req_sv (req, aio_grp_stash)); 2207 XPUSHs (req_sv (req, aio_grp_stash));
1249} 2208}
1250 2209
1251void 2210void
1252aio_nop (SV *callback=&PL_sv_undef) 2211aio_nop (SV *callback = &PL_sv_undef)
1253 ALIAS: 2212 ALIAS:
1254 aio_nop = EIO_NOP 2213 aio_nop = EIO_NOP
1255 aio_sync = EIO_SYNC 2214 aio_sync = EIO_SYNC
1256 PPCODE: 2215 PPCODE:
1257{ 2216{
… …
1261 2220
1262 REQ_SEND; 2221 REQ_SEND;
1263} 2222}
1264 2223
1265int 2224int
1266aioreq_pri (int pri = 0) 2225aioreq_pri (int pri = NO_INIT)
1267 PROTOTYPE: ;$
1268 CODE: 2226 CODE:
1269 RETVAL = next_pri; 2227 RETVAL = next_pri;
1270 if (items > 0) 2228 if (items > 0)
1271 { 2229 {
1272 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2230 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1284 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 2242 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1285 next_pri = nice; 2243 next_pri = nice;
1286 2244
1287void 2245void
1288flush () 2246flush ()
1289 PROTOTYPE:
1290 CODE: 2247 CODE:
1291 while (eio_nreqs ()) 2248 while (eio_nreqs ())
1292 { 2249 {
1293 poll_wait (); 2250 poll_wait ();
1294 poll_cb (); 2251 poll_cb ();
1295 } 2252 }
1296 2253
1297int 2254int
1298poll() 2255poll ()
1299 PROTOTYPE:
1300 CODE: 2256 CODE:
1301 poll_wait (); 2257 poll_wait ();
1302 RETVAL = poll_cb (); 2258 RETVAL = poll_cb ();
1303 OUTPUT: 2259 OUTPUT:
1304 RETVAL 2260 RETVAL
1305 2261
1306int 2262int
1307poll_fileno() 2263poll_fileno ()
1308 PROTOTYPE:
1309 CODE: 2264 CODE:
1310 RETVAL = s_epipe_fd (&respipe); 2265 RETVAL = s_epipe_fd (&respipe);
1311 OUTPUT: 2266 OUTPUT:
1312 RETVAL 2267 RETVAL
1313 2268
1314int 2269int
1315poll_cb(...) 2270poll_cb (...)
1316 PROTOTYPE: 2271 PROTOTYPE:
1317 CODE: 2272 CODE:
1318 RETVAL = poll_cb (); 2273 RETVAL = poll_cb ();
1319 OUTPUT: 2274 OUTPUT:
1320 RETVAL 2275 RETVAL
1321 2276
1322void 2277void
1323poll_wait() 2278poll_wait ()
1324 PROTOTYPE:
1325 CODE: 2279 CODE:
1326 poll_wait (); 2280 poll_wait ();
1327 2281
1328int 2282int
1329nreqs() 2283nreqs ()
1330 PROTOTYPE:
1331 CODE: 2284 CODE:
1332 RETVAL = eio_nreqs (); 2285 RETVAL = eio_nreqs ();
1333 OUTPUT: 2286 OUTPUT:
1334 RETVAL 2287 RETVAL
1335 2288
1336int 2289int
1337nready() 2290nready ()
1338 PROTOTYPE:
1339 CODE: 2291 CODE:
1340 RETVAL = eio_nready (); 2292 RETVAL = eio_nready ();
1341 OUTPUT: 2293 OUTPUT:
1342 RETVAL 2294 RETVAL
1343 2295
1344int 2296int
1345npending() 2297npending ()
1346 PROTOTYPE:
1347 CODE: 2298 CODE:
1348 RETVAL = eio_npending (); 2299 RETVAL = eio_npending ();
1349 OUTPUT: 2300 OUTPUT:
1350 RETVAL 2301 RETVAL
1351 2302
1352int 2303int
1353nthreads() 2304nthreads ()
1354 PROTOTYPE:
1355 CODE: 2305 CODE:
1356 RETVAL = eio_nthreads (); 2306 RETVAL = eio_nthreads ();
1357 OUTPUT: 2307 OUTPUT:
1358 RETVAL 2308 RETVAL
1359 2309
1360int 2310int
1361fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 2311fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1362 PROTOTYPE: $$$$
1363 CODE: 2312 CODE:
1364#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1365 RETVAL = posix_fadvise (fh, offset, length, advice); 2313 RETVAL = posix_fadvise (fh, offset, length, advice);
1366#else
1367 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1368#endif
1369 OUTPUT: 2314 OUTPUT:
1370 RETVAL 2315 RETVAL
1371 2316
1372ssize_t 2317IV
1373sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 2318sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1374 PROTOTYPE: $$$$
1375 CODE: 2319 CODE:
1376 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2320 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1377 OUTPUT: 2321 OUTPUT:
1378 RETVAL 2322 RETVAL
1379 2323
1380void 2324void
1381mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2325mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1382 PROTOTYPE: $$$$$;$
1383 PPCODE: 2326 PPCODE:
1384 sv_unmagic (scalar, MMAP_MAGIC); 2327 sv_clear_foreign (scalar);
1385{ 2328{
1386 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2329 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1387 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2330 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1388 if (addr == (void *)-1) 2331 if (addr == (void *)-1)
1389 XSRETURN_NO; 2332 XSRETURN_NO;
1390 2333
1391 /* we store the length in mg_obj, as namlen is I32 :/ */ 2334 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1392 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1393 ->mg_obj = (SV *)length;
1394 2335
1395 SvUPGRADE (scalar, SVt_PV); /* nop... */
1396 if (!(prot & PROT_WRITE)) 2336 if (!(prot & PROT_WRITE))
1397 SvREADONLY_on (scalar); 2337 SvREADONLY_on (scalar);
1398 2338
1399 SvPVX (scalar) = (char *)addr;
1400 SvCUR_set (scalar, length);
1401 SvLEN_set (scalar, 0);
1402 SvPOK_only (scalar);
1403
1404 XSRETURN_YES; 2339 XSRETURN_YES;
1405} 2340}
1406 2341
1407void 2342void
1408munmap (SV *scalar) 2343munmap (SV *scalar)
1409 PROTOTYPE: $
1410 CODE: 2344 CODE:
1411 sv_unmagic (scalar, MMAP_MAGIC); 2345 sv_clear_foreign (scalar);
2346
2347SV *
2348mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2349 CODE:
2350{
2351 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2352 void *new;
2353
2354 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2355 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2356
2357 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2358
2359 RETVAL = &PL_sv_no;
2360
2361 if (new != (void *)-1)
2362 {
2363 RETVAL = new == (void *)mg->mg_ptr
2364 ? newSVpvn ("0 but true", 10)
2365 : &PL_sv_yes;
2366
2367 mg->mg_ptr = (char *)new;
2368 mg->mg_obj = (SV *)new_length;
2369
2370 SvPVX (scalar) = mg->mg_ptr;
2371 SvCUR_set (scalar, new_length);
2372 }
2373}
2374 OUTPUT:
2375 RETVAL
2376
2377int
2378madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
2379 ALIAS:
2380 mprotect = 1
2381 CODE:
2382{
2383 STRLEN svlen;
2384 void *addr = SvPVbyte (scalar, svlen);
2385 STRLEN len = SvUV (length);
2386
2387 if (offset < 0)
2388 offset += svlen;
2389
2390 if (offset < 0 || offset > svlen)
2391 croak ("offset outside of scalar");
2392
2393 if (!SvOK (length) || len + offset > svlen)
2394 len = svlen - offset;
2395
2396 addr = (void *)(((intptr_t)addr) + offset);
2397 eio_page_align (&addr, &len);
2398
2399 switch (ix)
2400 {
2401 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
2402 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
2403 }
2404}
2405 OUTPUT:
2406 RETVAL
2407
2408int
2409munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
2410 CODE:
2411{
2412 STRLEN svlen;
2413 void *addr = SvPVbyte (scalar, svlen);
2414 size_t len = SvUV (length);
2415
2416 if (offset < 0)
2417 offset += svlen;
2418
2419 if (offset < 0 || offset > svlen)
2420 croak ("offset outside of scalar");
2421
2422 if (!SvOK (length) || len + offset > svlen)
2423 len = svlen - offset;
2424
2425 addr = (void *)(((intptr_t)addr) + offset);
2426 eio_page_align (&addr, &len);
2427#if _POSIX_MEMLOCK_RANGE
2428 RETVAL = munlock (addr, len);
2429#else
2430 RETVAL = EIO_ENOSYS ();
2431#endif
2432}
2433 OUTPUT:
2434 RETVAL
1412 2435
1413int 2436int
1414mlockall (int flags) 2437mlockall (int flags)
1415 PROTOTYPE: $ 2438 PROTOTYPE: $;
1416 CODE: 2439 CODE:
1417#if _POSIX_MEMLOCK 2440 RETVAL = eio_mlockall_sync (flags);
1418#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 2441 OUTPUT:
1419 extern int mallopt (int, int);
1420 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1421#endif
1422 mlockall (flags);
1423#else
1424 RETVAL = -1;
1425 errno = ENOSYS;
1426#endif
1427 OUTPUT:
1428 RETVAL 2442 RETVAL
1429 2443
1430int 2444int
1431munlockall () 2445munlockall ()
1432 PROTOTYPE:
1433 CODE: 2446 CODE:
1434#if _POSIX_MEMLOCK 2447#if _POSIX_MEMLOCK
1435 munlockall (); 2448 munlockall ();
1436#else 2449#else
1437 RETVAL = -1; 2450 RETVAL = EIO_ENOSYS ();
1438 errno = ENOSYS;
1439#endif 2451#endif
1440 OUTPUT: 2452 OUTPUT:
1441 RETVAL 2453 RETVAL
2454
2455int
2456statx (SV8 *pathname, int flags, UV mask)
2457 CODE:
2458{
2459 /* undocumented, and might go away, and anyway, should use eio_statx */
2460 SV *wdsv = 0;
2461 SV *pathsv = 0;
2462 eio_wd wd = EIO_CWD;
2463 void *ptr;
2464 int res;
2465
2466 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2467 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2468
2469 SvREFCNT_dec (pathsv);
2470 SvREFCNT_dec (wdsv);
2471}
2472 OUTPUT:
2473 RETVAL
2474
2475U32
2476stx_mode ()
2477 PROTOTYPE:
2478 CODE:
2479#if HAVE_STATX
2480 RETVAL = stx.stx_mode;
2481#else
2482 XSRETURN_UNDEF;
2483#endif
2484 OUTPUT:
2485 RETVAL
2486
2487#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2488#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2489#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2490#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2491#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2492#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2493#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2494#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2495#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2496#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2497#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2498#define STATX_OFFSET_size statx_offsetof (stx_size)
2499#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2500#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2501#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2502#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2503#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2504#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2505
2506U32
2507stx_mask ()
2508 PROTOTYPE:
2509 ALIAS:
2510 stx_mask = STATX_OFFSET_mask
2511 stx_blksize = STATX_OFFSET_blksize
2512 stx_nlink = STATX_OFFSET_nlink
2513 stx_uid = STATX_OFFSET_uid
2514 stx_gid = STATX_OFFSET_gid
2515 stx_rdev_major = STATX_OFFSET_rdev_major
2516 stx_rdev_minor = STATX_OFFSET_rdev_minor
2517 stx_dev_major = STATX_OFFSET_dev_major
2518 stx_dev_minor = STATX_OFFSET_dev_minor
2519 CODE:
2520#if HAVE_STATX
2521 RETVAL = *(__u32 *)((char *)&stx + ix);
2522#else
2523 XSRETURN_UNDEF;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528VAL64
2529stx_attributes ()
2530 PROTOTYPE:
2531 ALIAS:
2532 stx_attributes = STATX_OFFSET_attributes
2533 stx_ino = STATX_OFFSET_ino
2534 stx_size = STATX_OFFSET_size
2535 stx_blocks = STATX_OFFSET_blocks
2536 stx_attributes_mask = STATX_OFFSET_attributes_mask
2537 CODE:
2538#if HAVE_STATX
2539 RETVAL = *(__u64 *)((char *)&stx + ix);
2540#else
2541 XSRETURN_UNDEF;
2542#endif
2543 OUTPUT:
2544 RETVAL
2545
2546NV
2547stx_atime ()
2548 PROTOTYPE:
2549 ALIAS:
2550 stx_atime = STATX_OFFSET_atime
2551 stx_btime = STATX_OFFSET_btime
2552 stx_ctime = STATX_OFFSET_ctime
2553 stx_mtime = STATX_OFFSET_mtime
2554 CODE:
2555#if HAVE_STATX
2556 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2557 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2558#else
2559 XSRETURN_UNDEF;
2560#endif
2561 OUTPUT:
2562 RETVAL
2563
2564VAL64
2565stx_atimesec ()
2566 PROTOTYPE:
2567 ALIAS:
2568 stx_atimesec = STATX_OFFSET_atime
2569 stx_btimesec = STATX_OFFSET_btime
2570 stx_ctimesec = STATX_OFFSET_ctime
2571 stx_mtimesec = STATX_OFFSET_mtime
2572 CODE:
2573#if HAVE_STATX
2574 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2575 RETVAL = ts->tv_sec;
2576#else
2577 XSRETURN_UNDEF;
2578#endif
2579 OUTPUT:
2580 RETVAL
2581
2582U32
2583stx_atimensec ()
2584 PROTOTYPE:
2585 ALIAS:
2586 stx_atimensec = STATX_OFFSET_atime
2587 stx_btimensec = STATX_OFFSET_btime
2588 stx_ctimensec = STATX_OFFSET_ctime
2589 stx_mtimensec = STATX_OFFSET_mtime
2590 CODE:
2591#if HAVE_STATX
2592 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2593 RETVAL = ts->tv_nsec;
2594#else
2595 RETVAL = 0;
2596#endif
2597 OUTPUT:
2598 RETVAL
2599
2600void
2601accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2602 PPCODE:
2603{
2604 SV *retval;
2605#if HAVE_ACCEPT4
2606 socklen_t salen_ = salen ? salen + 1 : 0;
2607
2608 if (salen)
2609 {
2610 sv_upgrade (sockaddr, SVt_PV);
2611 sv_grow (sockaddr, salen_);
2612 }
2613
2614 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2615
2616 retval = newmortalFH (res, O_RDWR);
2617
2618 if (res >= 0 && salen > 0)
2619 {
2620 if (salen_ > salen + 1)
2621 salen_ = salen + 1;
2622
2623 SvPOK_only (sockaddr);
2624 SvCUR_set (sockaddr, salen_);
2625 }
2626#else
2627 errno = ENOSYS;
2628 retval = &PL_sv_undef;
2629#endif
2630 XPUSHs (retval);
2631}
2632
2633ssize_t
2634splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2635 CODE:
2636{
2637#if HAVE_LINUX_SPLICE
2638 loff_t off_in_, off_out_;
2639 RETVAL = splice (
2640 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2641 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2642 length, flags
2643 );
2644#else
2645 RETVAL = EIO_ENOSYS ();
2646#endif
2647}
2648 OUTPUT:
2649 RETVAL
2650
2651ssize_t
2652tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2653 CODE:
2654#if HAVE_LINUX_SPLICE
2655 RETVAL = tee (rfh, wfh, length, flags);
2656#else
2657 RETVAL = EIO_ENOSYS ();
2658#endif
2659 OUTPUT:
2660 RETVAL
2661
2662int
2663pipesize (aio_rfd rfh, int new_size = -1)
2664 PROTOTYPE: $;$
2665 CODE:
2666#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2667 if (new_size >= 0)
2668 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2669 else
2670 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2671#else
2672 errno = ENOSYS;
2673 RETVAL = -1;
2674#endif
2675 OUTPUT:
2676 RETVAL
2677
2678void
2679pipe2 (int flags = 0)
2680 PROTOTYPE: ;$
2681 PPCODE:
2682{
2683 int fd[2];
2684 int res;
2685
2686 if (flags)
2687#if HAVE_PIPE2
2688 res = pipe2 (fd, flags);
2689#else
2690 res = (errno = ENOSYS, -1);
2691#endif
2692 else
2693 res = pipe (fd);
2694
2695 if (!res)
2696 {
2697 EXTEND (SP, 2);
2698 PUSHs (newmortalFH (fd[0], O_RDONLY));
2699 PUSHs (newmortalFH (fd[1], O_WRONLY));
2700 }
2701}
2702
2703void
2704pidfd_open (int pid, unsigned int flags = 0)
2705 PPCODE:
2706{
2707 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2708 int fd = syscall (SYS_pidfd_open, pid, flags);
2709 XPUSHs (newmortalFH (fd, O_RDWR));
2710}
2711
2712int
2713pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2714 PPCODE:
2715{
2716 int res;
2717#if HAVE_SIGINFO_T
2718 siginfo_t si = { 0 };
2719
2720 if (SvOK (siginfo))
2721 {
2722 HV *hv;
2723 SV **svp;
2724
2725 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2726 croak ("siginfo argument must be a hashref with 'code', 'pid', 'uid' and 'value_int' or 'value_ptr' members, caught");
2727
2728 hv = (HV *)SvRV (siginfo);
2729
2730 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2731 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2732 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2733 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2734 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2735 }
2736
2737 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2738 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2739#else
2740 res = (errno = ENOSYS, -1);
2741#endif
2742
2743 XPUSHs (sv_2mortal (newSViv (res)));
2744}
2745
2746void
2747pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2748 PPCODE:
2749{
2750 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2751 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2752 XPUSHs (newmortalFH (fd, O_RDWR));
2753}
2754
2755void
2756eventfd (unsigned int initval = 0, int flags = 0)
2757 PPCODE:
2758{
2759 int fd;
2760#if HAVE_EVENTFD
2761 fd = eventfd (initval, flags);
2762#else
2763 fd = (errno = ENOSYS, -1);
2764#endif
2765
2766 XPUSHs (newmortalFH (fd, O_RDWR));
2767}
2768
2769void
2770timerfd_create (int clockid, int flags = 0)
2771 PPCODE:
2772{
2773 int fd;
2774#if HAVE_TIMERFD
2775 fd = timerfd_create (clockid, flags);
2776#else
2777 fd = (errno = ENOSYS, -1);
2778#endif
2779
2780 XPUSHs (newmortalFH (fd, O_RDWR));
2781}
2782
2783void
2784timerfd_settime (SV *fh, int flags, NV interval, NV value)
2785 PPCODE:
2786{
2787 int fd = s_fileno_croak (fh, 0);
2788#if HAVE_TIMERFD
2789 int res;
2790 struct itimerspec its, ots;
2791
2792 ts_set (&its.it_interval, interval);
2793 ts_set (&its.it_value , value);
2794 res = timerfd_settime (fd, flags, &its, &ots);
2795
2796 if (!res)
2797 {
2798 EXTEND (SP, 2);
2799 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2800 PUSHs (newSVnv (ts_get (&ots.it_value)));
2801 }
2802#else
2803 errno = ENOSYS;
2804#endif
2805}
2806
2807void
2808timerfd_gettime (SV *fh)
2809 PPCODE:
2810{
2811 int fd = s_fileno_croak (fh, 0);
2812#if HAVE_TIMERFD
2813 int res;
2814 struct itimerspec ots;
2815 res = timerfd_gettime (fd, &ots);
2816
2817 if (!res)
2818 {
2819 EXTEND (SP, 2);
2820 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2821 PUSHs (newSVnv (ts_get (&ots.it_value)));
2822 }
2823#else
2824 errno = ENOSYS;
2825#endif
2826}
2827
2828void
2829memfd_create (SV8 *pathname, int flags = 0)
2830 PPCODE:
2831{
2832 int fd;
2833#if HAVE_MEMFD_CREATE
2834 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2835#else
2836 fd = (errno = ENOSYS, -1);
2837#endif
2838
2839 XPUSHs (newmortalFH (fd, O_RDWR));
2840}
2841
2842int
2843fexecve (SV *fh, SV *args, SV *envs = &PL_sv_undef)
2844 CODE:
2845{
2846 int fd = PerlIO_fileno (IoIFP (sv_2io (fh)));
2847 char **envp, **argv;
2848 argv = extract_stringvec (args, "IO::AIO::fexecve: args must be an array of strings");
2849 if (!SvOK (envs))
2850 {
2851 extern char **environ;
2852 envp = environ;
2853 }
2854 else
2855 envp = extract_stringvec (envs, "IO::AIO::fexecve: envs must be an array of strings");
2856#if _POSIX_VERSION >= 200809L
2857 RETVAL = fexecve (fd, argv, envp);
2858#else
2859 RETVAL = (errno = ENOSYS, -1);
2860#endif
2861}
2862 OUTPUT: RETVAL
2863
2864UV
2865get_fdlimit ()
2866 CODE:
2867#if HAVE_RLIMITS
2868 struct rlimit rl;
2869 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2870 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2871#endif
2872 XSRETURN_UNDEF;
2873 OUTPUT:
2874 RETVAL
2875
2876void
2877min_fdlimit (UV limit = 0x7fffffffU)
2878 CODE:
2879{
2880#if HAVE_RLIMITS
2881 struct rlimit rl;
2882 rlim_t orig_rlim_max;
2883 UV bit;
2884
2885 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2886 goto fail;
2887
2888 if (rl.rlim_cur == RLIM_INFINITY)
2889 XSRETURN_YES;
2890
2891 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2892
2893 if (rl.rlim_cur < limit)
2894 {
2895 rl.rlim_cur = limit;
2896
2897 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2898 rl.rlim_max = rl.rlim_cur;
2899 }
2900
2901 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2902 XSRETURN_YES;
2903
2904 if (errno == EPERM)
2905 {
2906 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2907 /* our limit overflows a system-wide limit */
2908 /* try an adaptive algorithm, but do not lower the hardlimit */
2909 rl.rlim_max = 0;
2910 for (bit = 0x40000000U; bit; bit >>= 1)
2911 {
2912 rl.rlim_max |= bit;
2913 rl.rlim_cur = rl.rlim_max;
2914
2915 /* never decrease the hard limit */
2916 if (rl.rlim_max < orig_rlim_max)
2917 break;
2918
2919 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2920 rl.rlim_max &= ~bit; /* too high, remove bit again */
2921 }
2922
2923 /* now, raise the soft limit to the max permitted */
2924 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2925 {
2926 rl.rlim_cur = rl.rlim_max;
2927 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2928 errno = EPERM;
2929 }
2930 }
2931#endif
2932 fail:
2933 XSRETURN_UNDEF;
2934}
1442 2935
1443void _on_next_submit (SV *cb) 2936void _on_next_submit (SV *cb)
1444 CODE: 2937 CODE:
1445 SvREFCNT_dec (on_next_submit); 2938 SvREFCNT_dec (on_next_submit);
1446 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2939 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1447 2940
1448PROTOTYPES: DISABLE 2941PROTOTYPES: DISABLE
1449 2942
2943MODULE = IO::AIO PACKAGE = IO::AIO::WD
2944
2945BOOT:
2946{
2947 newCONSTSUB (aio_stash, "CWD" , newSVaio_wd (EIO_CWD ));
2948 newCONSTSUB (aio_stash, "INVALID_WD", newSVaio_wd (EIO_INVALID_WD));
2949}
2950
2951void
2952DESTROY (SV *self)
2953 CODE:
2954{
2955 aio_wd wd = SvAIO_WD (self);
2956#if HAVE_AT
2957 {
2958 SV *callback = &PL_sv_undef;
2959 dREQ; /* clobbers next_pri :/ */
2960 next_pri = req->pri; /* restore next_pri */
2961 req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */
2962 req->type = EIO_WD_CLOSE;
2963 req->wd = wd;
2964 REQ_SEND;
2965 }
2966#else
2967 eio_wd_close_sync (wd);
2968#endif
2969}
2970
1450MODULE = IO::AIO PACKAGE = IO::AIO::REQ 2971MODULE = IO::AIO PACKAGE = IO::AIO::REQ
1451 2972
1452void 2973void
1453cancel (aio_req_ornot req) 2974cancel (aio_req_ornot req)
1454 CODE: 2975 CODE:
1455 eio_cancel (req); 2976 eio_cancel (req);
1456 2977
1457void 2978void
1458cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2979cb (aio_req_ornot req, SV *callback = NO_INIT)
1459 PPCODE: 2980 PPCODE:
1460{ 2981{
1461 if (GIMME_V != G_VOID) 2982 if (GIMME_V != G_VOID)
1462 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2983 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1463 2984
1464 if (items > 1) 2985 if (items > 1)
1465 { 2986 {
1466 SV *cb_cv =get_cb (callback); 2987 SV *cb_cv = get_cb (callback);
1467 2988
1468 SvREFCNT_dec (req->callback); 2989 SvREFCNT_dec (req->callback);
1469 req->callback = SvREFCNT_inc (cb_cv); 2990 req->callback = SvREFCNT_inc (cb_cv);
1470 } 2991 }
1471} 2992}
… …
1528limit (aio_req grp, int limit) 3049limit (aio_req grp, int limit)
1529 CODE: 3050 CODE:
1530 eio_grp_limit (grp, limit); 3051 eio_grp_limit (grp, limit);
1531 3052
1532void 3053void
1533feed (aio_req grp, SV *callback=&PL_sv_undef) 3054feed (aio_req grp, SV *callback = &PL_sv_undef)
1534 CODE: 3055 CODE:
1535{ 3056{
1536 SvREFCNT_dec (grp->sv2); 3057 SvREFCNT_dec (grp->sv2);
1537 grp->sv2 = newSVsv (callback); 3058 grp->sv2 = newSVsv (callback);
1538 grp->feed = aio_grp_feed; 3059 grp->feed = aio_grp_feed;

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