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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.212 by root, Sun Apr 8 00:11:50 2012 UTC vs.
Revision 1.286 by root, Tue Dec 29 15:25:26 2020 UTC

3#include <errno.h> 3#include <errno.h>
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8#include "perliol.h"
8 9
9#include "schmorp.h" 10#if !defined mg_findext
11# define mg_findext(sv,type,vtbl) mg_find (sv, type)
12#endif
10 13
11#include <stddef.h> 14#include <stddef.h>
12#include <stdlib.h> 15#include <stdlib.h>
13#include <errno.h> 16#include <errno.h>
14#include <sys/types.h> 17#include <sys/types.h>
18#include <sys/socket.h>
15#include <sys/stat.h> 19#include <sys/stat.h>
16#include <limits.h> 20#include <limits.h>
17#include <fcntl.h> 21#include <fcntl.h>
18#include <sched.h> 22#include <sched.h>
19 23
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 24/* the incompetent fool that created musl keeps __linux__, refuses
21# include <sys/mman.h> 25 * to implement any linux standard apis, and also has no way to test
22#endif 26 * for his broken iplementation. don't complain to me if this fails
23 27 * for you.
24#if __linux__ 28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
25# include <linux/fs.h> 30# include <linux/fs.h>
26# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
27# include <linux/types.h> 32# include <linux/types.h>
28# include <linux/fiemap.h> 33# include <linux/fiemap.h>
29# define HAVE_FIEMAP 1 34# define HAVE_FIEMAP 1
70 #undef fchmod 75 #undef fchmod
71 #undef dup 76 #undef dup
72 #undef dup2 77 #undef dup2
73 #undef abort 78 #undef abort
74 #undef pipe 79 #undef pipe
80 #undef utime
75 81
76 #define EIO_STRUCT_STAT struct _stati64 82 #define EIO_STRUCT_STAT struct _stati64
77 #define EIO_STRUCT_STATI64 83 #define EIO_STRUCT_STATI64
78 84
79#else 85#else
98 104
99#define expect_false(expr) expect ((expr) != 0, 0) 105#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 106#define expect_true(expr) expect ((expr) != 0, 1)
101 107
102/*****************************************************************************/ 108/*****************************************************************************/
109
110#include "config.h"
111
112#if HAVE_SYS_MKDEV_H
113# include <sys/mkdev.h>
114#elif HAVE_SYS_SYSMACROS_H
115# include <sys/sysmacros.h>
116#endif
117
118#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
119# include <sys/mman.h>
120#endif
121
122#if HAVE_SYS_UIO_H
123# include <sys/uio.h>
124#endif
125
126#if HAVE_ST_XTIMENSEC
127# define ATIMENSEC PL_statcache.st_atimensec
128# define MTIMENSEC PL_statcache.st_mtimensec
129# define CTIMENSEC PL_statcache.st_ctimensec
130#elif HAVE_ST_XTIMESPEC
131# define ATIMENSEC PL_statcache.st_atim.tv_nsec
132# define MTIMENSEC PL_statcache.st_mtim.tv_nsec
133# define CTIMENSEC PL_statcache.st_ctim.tv_nsec
134#else
135# define ATIMENSEC 0
136# define MTIMENSEC 0
137# define CTIMENSEC 0
138#endif
139
140#if HAVE_ST_BIRTHTIMENSEC
141# define BTIMESEC PL_statcache.st_birthtime
142# define BTIMENSEC PL_statcache.st_birthtimensec
143#elif HAVE_ST_BIRTHTIMESPEC
144# define BTIMESEC PL_statcache.st_birthtim.tv_sec
145# define BTIMENSEC PL_statcache.st_birthtim.tv_nsec
146#else
147# define BTIMESEC 0
148# define BTIMENSEC 0
149#endif
150
151#if HAVE_ST_GEN
152# define ST_GEN PL_statcache.st_gen
153#else
154# define ST_GEN 0
155#endif
156
157#include "schmorp.h"
158
159#if HAVE_EVENTFD
160# include <sys/eventfd.h>
161#endif
162
163#if HAVE_TIMERFD
164# include <sys/timerfd.h>
165#endif
166
167#if HAVE_RLIMITS
168 #include <sys/time.h>
169 #include <sys/resource.h>
170#endif
103 171
104typedef SV SV8; /* byte-sv, used for argument-checking */ 172typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 173typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 174typedef int aio_wfd; /* write file descriptor */
107 175
114 STRLEN stroffset; \ 182 STRLEN stroffset; \
115 SV *self; 183 SV *self;
116 184
117#define EIO_NO_WRAPPERS 1 185#define EIO_NO_WRAPPERS 1
118 186
119#include "libeio/config.h"
120#include "libeio/eio.h" 187#include "libeio/eio.h"
121 188
122static int req_invoke (eio_req *req); 189static int req_invoke (eio_req *req);
123#define EIO_FINISH(req) req_invoke (req) 190#define EIO_FINISH(req) req_invoke (req)
124static void req_destroy (eio_req *grp); 191static void req_destroy (eio_req *grp);
140# else 207# else
141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 208# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142# endif 209# endif
143#endif 210#endif
144 211
145/* defines all sorts of constants to 0 unless they are already defined */
146#include "def0.h"
147
148#ifndef makedev 212#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min)) 213# define makedev(maj,min) (((maj) << 8) | (min))
150#endif 214#endif
151#ifndef major 215#ifndef major
152# define major(dev) ((dev) >> 8) 216# define major(dev) ((dev) >> 8)
153#endif 217#endif
154#ifndef minor 218#ifndef minor
155# define minor(dev) ((dev) & 0xff) 219# define minor(dev) ((dev) & 0xff)
156#endif 220#endif
157 221
222/* solaris has a non-posix/unix compliant PAGESIZE that breaks compilation */
223#ifdef __sun
158#ifndef PAGESIZE 224# undef PAGESIZE
225#endif
226
227#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 228# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 229#endif
230
231#if HAVE_SYSCALL
232#include <sys/syscall.h>
233#else
234# define syscall(nr,...) (errno = ENOSYS, -1)
235#endif
236
237/*****************************************************************************/
238
239#if !_POSIX_MAPPED_FILES
240# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, (void *)-1)
241# define munmap(addr,length) EIO_ENOSYS ()
242#endif
243
244#if !_POSIX_MEMORY_PROTECTION
245# define mprotect(addr,len,prot) EIO_ENOSYS ()
246#endif
247
248#if !MREMAP_MAYMOVE
249# define mremap(old_address,old_size,new_size,flags,new_address) (errno = ENOSYS, (void *)-1)
250#endif
251
252#define FOREIGN_MAGIC PERL_MAGIC_ext
253
254static int ecb_cold
255mmap_free (pTHX_ SV *sv, MAGIC *mg)
256{
257 int old_errno = errno;
258 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
259 errno = old_errno;
260
261 mg->mg_obj = 0; /* just in case */
262
263 SvREADONLY_off (sv);
264
265 if (SvPVX (sv) != mg->mg_ptr)
266 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
267
268 SvCUR_set (sv, 0);
269 SvPVX (sv) = 0;
270 SvOK_off (sv);
271
272 return 0;
273}
274
275static MGVTBL mmap_vtbl = {
276 0, 0, 0, 0, mmap_free
277};
278
279static int ecb_cold
280sysfree_free (pTHX_ SV *sv, MAGIC *mg)
281{
282 free (mg->mg_ptr);
283 mg->mg_obj = 0; /* just in case */
284
285 SvREADONLY_off (sv);
286
287 if (SvPVX (sv) != mg->mg_ptr)
288 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
289
290 SvCUR_set (sv, 0);
291 SvPVX (sv) = 0;
292 SvOK_off (sv);
293
294 return 0;
295}
296
297static MGVTBL sysfree_vtbl = {
298 0, 0, 0, 0, sysfree_free
299};
300
301/*****************************************************************************/
302
303/* helper: set scalar to foreign ptr with custom free */
304ecb_noinline
305static void
306sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
307{
308 sv_force_normal (sv);
309
310 /* we store the length in mg_obj, as namlen is I32 :/ */
311 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
312 ->mg_obj = (SV *)length;
313
314 SvUPGRADE (sv, SVt_PV); /* nop... */
315
316 if (SvLEN (sv))
317 Safefree (SvPVX (sv));
318
319 SvPVX (sv) = (char *)addr;
320 SvCUR_set (sv, length);
321 SvLEN_set (sv, 0);
322 SvPOK_only (sv);
323}
324
325static void
326sv_clear_foreign (SV *sv)
327{
328 /* todo: iterate over magic and only free ours, but of course */
329 /* the perl5porters will call that (correct) behaviour buggy */
330 sv_unmagic (sv, FOREIGN_MAGIC);
331}
332
333/*****************************************************************************/
334
335/* defines all sorts of constants to 0 unless they are already defined */
336/* also provides const_iv_ and const_niv_ macros for them */
337#include "def0.h"
161 338
162/*****************************************************************************/ 339/*****************************************************************************/
163 340
164static void 341static void
165fiemap (eio_req *req) 342fiemap (eio_req *req)
166{ 343{
167 req->result = -1; 344 req->result = -1;
168 345
169#if HAVE_FIEMAP 346#if HAVE_FIEMAP
347 /* assume some c99 */
348 struct fiemap *fiemap = 0;
349 size_t end_offset;
170 int count = req->int3; 350 int count = req->int3;
171 351
172 /* heuristic: first try with 64 extents if we don't know how many, */ 352 req->flags |= EIO_FLAG_PTR1_FREE;
173 /* as most files have (hopefully) fewer than this many extents */ 353
174 /* in fact, most should have <= 2, so maybe the 72 below is probably overkill */ 354 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
355 /* increase in fixed steps */
175 if (count < 0) 356 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ 357 count = 8;
358
359 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
360 errno = ENOMEM;
361 if (!fiemap)
362 return;
363
364 req->ptr1 = fiemap;
365
366 fiemap->fm_start = req->offs;
367 fiemap->fm_length = req->size;
368 fiemap->fm_flags = req->int2;
369 fiemap->fm_extent_count = count;
370
371 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
372 return;
373
374 if (req->int3 >= 0 /* not autosizing */
375 || !fiemap->fm_mapped_extents /* no more extents */
376 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
377 goto done;
378
379 /* else we have to loop -
380 * it would be tempting (actually I tried that first) to just query the
381 * number of extents needed, but linux often feels like not returning all
382 * extents, without telling us it left any out. this complicates
383 * this quite a bit.
384 */
385
386 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
177 387
178 for (;;) 388 for (;;)
179 { 389 {
390 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
391 char scratch[3072];
392 struct fiemap *incmap = (struct fiemap *)scratch;
393
394 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
395 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
396 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
397 incmap->fm_flags = fiemap->fm_flags;
398 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
399
400 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
401 return;
402
403 if (!incmap->fm_mapped_extents)
404 goto done;
405
406 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 407 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM; 408 errno = ENOMEM;
182 if (!fiemap) 409 if (!fiemap)
183 return; 410 return;
184 411
185 req->ptr1 = fiemap; 412 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187 413
188 fiemap->fm_start = req->offs; 414 for (count = 0; count < incmap->fm_mapped_extents; ++count)
189 fiemap->fm_length = req->size; 415 {
190 fiemap->fm_flags = req->int2; 416 struct fiemap_extent *e = incmap->fm_extents + count;
191 fiemap->fm_extent_count = count;
192 417
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 418 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
194 return;
195 419
196 if (req->int3 >= 0) 420 if (e->fe_logical >= end_offset)
197 break; /* when not autosizing we are done */ 421 goto done;
198 422
199 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 423 if (e->fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* autosizing successful, we are done */ 424 goto done;
201 425
202 fiemap->fm_flags = req->int2; 426 }
203 fiemap->fm_extent_count = 0;
204
205 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
206 return;
207
208 count = fiemap->fm_mapped_extents;
209
210 free (fiemap);
211 } 427 }
212 428
429done:
213 req->result = 0; 430 req->result = 0;
214 431
215#else 432#else
216 errno = ENOSYS; 433 errno = ENOSYS;
217#endif 434#endif
218} 435}
219 436
220/*****************************************************************************/ 437/*****************************************************************************/
438
439static int close_fd; /* dummy fd to close fds via dup2 */
440
441#if HAVE_STATX
442static struct statx stx;
443#define statx_offsetof(member) offsetof (struct statx, member)
444#define eio__statx statx
445#else
446#define statx_offsetof(member) 0
447#define eio__statx(dir,path,flags,mask,stx) EIO_ENOSYS()
448#endif
221 449
222enum { 450enum {
223 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ 451 FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */
224}; 452};
225 453
249 /* read any signals sent by the worker threads */ 477 /* read any signals sent by the worker threads */
250 s_epipe_drain (&respipe); 478 s_epipe_drain (&respipe);
251} 479}
252 480
253/* must be called at most once */ 481/* must be called at most once */
482ecb_noinline
254static SV * 483static SV *
255req_sv (aio_req req, HV *stash) 484req_sv (aio_req req, HV *stash)
256{ 485{
257 if (!req->self) 486 if (!req->self)
258 { 487 {
264} 493}
265 494
266static SV * 495static SV *
267newSVaio_wd (aio_wd wd) 496newSVaio_wd (aio_wd wd)
268{ 497{
269 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 498 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
270} 499}
271 500
501ecb_noinline
272static aio_req 502static aio_req
273SvAIO_REQ (SV *sv) 503SvAIO_REQ (SV *sv)
274{ 504{
275 MAGIC *mg; 505 MAGIC *mg;
276 506
293 || SvTYPE (SvRV (sv)) != SVt_PVMG 523 || SvTYPE (SvRV (sv)) != SVt_PVMG
294 || SvSTASH (SvRV (sv)) != aio_wd_stash) 524 || SvSTASH (SvRV (sv)) != aio_wd_stash)
295 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 525 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
296 526
297 return (aio_wd)(long)SvIVX (SvRV (sv)); 527 return (aio_wd)(long)SvIVX (SvRV (sv));
528}
529
530static SV *
531newmortalFH (int fd, int flags)
532{
533 if (fd < 0)
534 return &PL_sv_undef;
535
536 GV *gv = (GV *)sv_newmortal ();
537 char sym[64];
538 int symlen;
539
540 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
541 gv_init (gv, aio_stash, sym, symlen, 0);
542
543 symlen = snprintf (
544 sym,
545 sizeof (sym),
546 "%s&=%d",
547 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
548 fd
549 );
550
551 return do_open (gv, sym, symlen, 0, 0, 0, 0)
552 ? (SV *)gv : &PL_sv_undef;
298} 553}
299 554
300static void 555static void
301aio_grp_feed (aio_req grp) 556aio_grp_feed (aio_req grp)
302{ 557{
314 FREETMPS; 569 FREETMPS;
315 LEAVE; 570 LEAVE;
316 } 571 }
317} 572}
318 573
574ecb_noinline
319static void 575static void
320req_submit (eio_req *req) 576req_submit (eio_req *req)
321{ 577{
322 eio_submit (req); 578 eio_submit (req);
323 579
430 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 686 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
431 } 687 }
432 break; 688 break;
433 689
434 case EIO_OPEN: 690 case EIO_OPEN:
435 { 691 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
436 /* convert fd to fh */
437 SV *fh = &PL_sv_undef;
438
439 if (req->result >= 0)
440 {
441 GV *gv = (GV *)sv_newmortal ();
442 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
443 char sym [64];
444 int symlen;
445
446 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
447 gv_init (gv, aio_stash, sym, symlen, 0);
448
449 symlen = snprintf (
450 sym,
451 sizeof (sym),
452 "%s&=%d",
453 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
454 (int)req->result
455 );
456
457 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
458 fh = (SV *)gv;
459 }
460
461 PUSHs (fh);
462 }
463 break; 692 break;
464 693
465 case EIO_STATVFS: 694 case EIO_STATVFS:
466 case EIO_FSTATVFS: 695 case EIO_FSTATVFS:
467 { 696 {
470#ifndef _WIN32 699#ifndef _WIN32
471 if (req->result >= 0) 700 if (req->result >= 0)
472 { 701 {
473 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 702 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
474 HV *hv = newHV (); 703 HV *hv = newHV ();
704 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
705 * chooses to make it a struct.
706 */
707 unsigned long fsid = 0;
708 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
475 709
476 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 710 rv = sv_2mortal (newRV_noinc ((SV *)hv));
477 711
478 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 712 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
479 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 713 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
481 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 715 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
482 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 716 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
483 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 717 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
484 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 718 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
485 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 719 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
486 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 720 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
487 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 721 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
488 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 722 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
489 } 723 }
490#endif 724#endif
491 725
542 SvSETMAGIC (req->sv2); 776 SvSETMAGIC (req->sv2);
543 PUSHs (sv_result); 777 PUSHs (sv_result);
544 } 778 }
545 break; 779 break;
546 780
781 case EIO_SLURP:
782 {
783 if (req->result >= 0)
784 {
785 /* if length was originally not known, we steal the malloc'ed memory */
786 if (req->flags & EIO_FLAG_PTR2_FREE)
787 {
788 req->flags &= ~EIO_FLAG_PTR2_FREE;
789 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
790 }
791 else
792 {
793 SvCUR_set (req->sv2, req->result);
794 *SvEND (req->sv2) = 0;
795 SvPOK_only (req->sv2);
796 }
797
798 SvSETMAGIC (req->sv2);
799 }
800
801 PUSHs (sv_result);
802 }
803 break;
804
547 case EIO_CUSTOM: 805 case EIO_CUSTOM:
548 if (req->feed == fiemap) 806 if (req->feed == fiemap)
549 { 807 {
550#if HAVE_FIEMAP 808#if HAVE_FIEMAP
551 if (!req->result) 809 if (!req->result)
582 } 840 }
583 else 841 else
584 PUSHs (sv_result); 842 PUSHs (sv_result);
585 break; 843 break;
586 844
845#if 0
846 case EIO_CLOSE:
847 PerlIOUnix_refcnt_dec (req->int1);
848 break;
849#endif
850
587 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */ 851 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
588 if (req->result > 0) 852 if (req->result > 0)
589 SvIV_set (sv_result, 0); 853 SvIV_set (sv_result, 0);
590 /* FALLTHROUGH */ 854 /* FALLTHROUGH */
591 855
642 grp->sv2 = 0; 906 grp->sv2 = 0;
643 907
644 eio_grp_cancel (grp); 908 eio_grp_cancel (grp);
645} 909}
646 910
647static void ecb_cold 911ecb_cold
912static void
648create_respipe (void) 913create_respipe (void)
649{ 914{
650 if (s_epipe_renew (&respipe)) 915 if (s_epipe_renew (&respipe))
651 croak ("IO::AIO: unable to initialize result pipe"); 916 croak ("IO::AIO: unable to initialize result pipe");
652} 917}
656{ 921{
657 while (eio_nreqs ()) 922 while (eio_nreqs ())
658 { 923 {
659 int size; 924 int size;
660 925
661 X_LOCK (reslock); 926 X_LOCK (EIO_POOL->reslock);
662 size = res_queue.size; 927 size = EIO_POOL->res_queue.size;
663 X_UNLOCK (reslock); 928 X_UNLOCK (EIO_POOL->reslock);
664 929
665 if (size) 930 if (size)
666 return; 931 return;
667 932
668 etp_maybe_start_thread (); 933 etp_maybe_start_thread (EIO_POOL);
669 934
670 s_epipe_wait (&respipe); 935 s_epipe_wait (&respipe);
671 } 936 }
672} 937}
673 938
686 951
687 poll_wait (); 952 poll_wait ();
688 } 953 }
689} 954}
690 955
691static void ecb_cold 956ecb_cold
957static void
692reinit (void) 958reinit (void)
693{ 959{
694 create_respipe (); 960 create_respipe ();
695 961
696 if (eio_init (want_poll, done_poll) < 0) 962 if (eio_init (want_poll, done_poll) < 0)
697 croak ("IO::AIO: unable to initialise eio library"); 963 croak ("IO::AIO: unable to initialise eio library");
698} 964}
699 965
700/*****************************************************************************/ 966/*****************************************************************************/
701 967
702#if !_POSIX_MAPPED_FILES
703# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
704# define munmap(addr,length) (errno = ENOSYS, -1)
705#endif
706
707#if !_POSIX_MEMORY_PROTECTION
708# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
709# define PROT_NONE 0
710# define PROT_WRITE 0
711# define MAP_PRIVATE 0
712# define MAP_SHARED 0
713# define MAP_FIXED 0
714#endif
715
716#define MMAP_MAGIC PERL_MAGIC_ext
717
718static int ecb_cold
719mmap_free (pTHX_ SV *sv, MAGIC *mg)
720{
721 int old_errno = errno;
722 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
723 errno = old_errno;
724
725 mg->mg_obj = 0; /* just in case */
726
727 SvREADONLY_off (sv);
728
729 if (SvPVX (sv) != mg->mg_ptr)
730 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
731
732 SvCUR_set (sv, 0);
733 SvPVX (sv) = 0;
734 SvOK_off (sv);
735
736 return 0;
737}
738
739static MGVTBL mmap_vtbl = {
740 0, 0, 0, 0, mmap_free
741};
742
743/*****************************************************************************/
744
745static SV * 968static SV *
746get_cb (SV *cb_sv) 969get_cb (SV *cb_sv)
747{ 970{
748 SvGETMAGIC (cb_sv); 971 SvGETMAGIC (cb_sv);
749 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; 972 return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0;
750} 973}
751 974
975ecb_noinline
752static aio_req ecb_noinline 976static aio_req ecb_noinline
753dreq (SV *callback) 977dreq (SV *callback)
754{ 978{
755 SV *cb_cv; 979 SV *cb_cv;
756 aio_req req; 980 aio_req req;
778 SPAGAIN; \ 1002 SPAGAIN; \
779 \ 1003 \
780 if (GIMME_V != G_VOID) \ 1004 if (GIMME_V != G_VOID) \
781 XPUSHs (req_sv (req, aio_req_stash)); 1005 XPUSHs (req_sv (req, aio_req_stash));
782 1006
1007/* *wdsv, *pathsv, *wd and *ptr must be 0-initialized */
783ecb_inline void 1008ecb_inline
1009void
784req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) 1010req_set_path (SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr)
785{ 1011{
786 if (expect_false (SvROK (path))) 1012 if (expect_false (SvROK (path)))
787 { 1013 {
788 SV *rv = SvRV (path); 1014 SV *rv = SvRV (path);
789 SV *wdob; 1015 SV *wdob;
814 1040
815 *pathsv = newSVsv (path); 1041 *pathsv = newSVsv (path);
816 *ptr = SvPVbyte_nolen (*pathsv); 1042 *ptr = SvPVbyte_nolen (*pathsv);
817} 1043}
818 1044
819static void ecb_noinline 1045ecb_noinline
1046static void
820req_set_path1 (aio_req req, SV *path) 1047req_set_path1 (aio_req req, SV *path)
821{ 1048{
822 req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); 1049 req_set_path (path, &req->sv1, &req->sv3, &req->wd, &req->ptr1);
823} 1050}
824 1051
825static void ecb_noinline 1052ecb_noinline
1053static void
826req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) 1054req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path)
827{ 1055{
828 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; 1056 SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path;
829 1057
830 switch (SvTYPE (rv)) 1058 switch (SvTYPE (rv))
842 req_set_path1 (req, fh_or_path); 1070 req_set_path1 (req, fh_or_path);
843 break; 1071 break;
844 } 1072 }
845} 1073}
846 1074
1075/*****************************************************************************/
1076
1077static void
1078ts_set (struct timespec *ts, NV value)
1079{
1080 ts->tv_sec = value;
1081 ts->tv_nsec = (value - ts->tv_sec) * 1e9;
1082}
1083
1084static NV
1085ts_get (const struct timespec *ts)
1086{
1087 return ts->tv_sec + ts->tv_nsec * 1e-9;
1088}
1089
1090/*****************************************************************************/
1091
847XS(boot_IO__AIO) ecb_cold; 1092XS(boot_IO__AIO) ecb_cold;
848 1093
849MODULE = IO::AIO PACKAGE = IO::AIO 1094MODULE = IO::AIO PACKAGE = IO::AIO
850 1095
851PROTOTYPES: ENABLE 1096PROTOTYPES: ENABLE
858 } *civ, const_iv[] = { 1103 } *civ, const_iv[] = {
859# define const_niv(name, value) { # name, (IV) value }, 1104# define const_niv(name, value) { # name, (IV) value },
860# define const_iv(name) { # name, (IV) name }, 1105# define const_iv(name) { # name, (IV) name },
861# define const_eio(name) { # name, (IV) EIO_ ## name }, 1106# define const_eio(name) { # name, (IV) EIO_ ## name },
862 1107
863 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 1108 /* you have to re-run ./gendef0 after adding/removing any constants here */
864 1109 /* the first block can be undef if missing */
865 const_iv (ENOSYS) 1110 const_iv (ENOSYS)
866 const_iv (EXDEV) 1111 const_iv (EXDEV)
867 const_iv (EBADR) 1112 const_iv (EBADR)
1113
1114 /* for lseek */
1115 const_iv (SEEK_DATA)
1116 const_iv (SEEK_HOLE)
1117
1118 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1119 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1120 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1121 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1122 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1123 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1124
1125 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1126 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1127 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1128 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1129 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1130
1131 /* the second block will be 0 when missing */
1132 const_iv (O_ACCMODE)
868 1133
869 const_iv (O_RDONLY) 1134 const_iv (O_RDONLY)
870 const_iv (O_WRONLY) 1135 const_iv (O_WRONLY)
871 const_iv (O_RDWR) 1136 const_iv (O_RDWR)
872 const_iv (O_CREAT) 1137 const_iv (O_CREAT)
886 const_iv (O_SEARCH) 1151 const_iv (O_SEARCH)
887 const_iv (O_DIRECTORY) 1152 const_iv (O_DIRECTORY)
888 const_iv (O_DSYNC) 1153 const_iv (O_DSYNC)
889 const_iv (O_RSYNC) 1154 const_iv (O_RSYNC)
890 const_iv (O_SYNC) 1155 const_iv (O_SYNC)
1156 const_iv (O_PATH)
1157 const_iv (O_TMPFILE)
891 const_iv (O_TTY_INIT) 1158 const_iv (O_TTY_INIT)
892 1159
893 const_iv (S_IFIFO) 1160 const_iv (S_IFIFO)
894 const_iv (S_IFCHR) 1161 const_iv (S_IFCHR)
895 const_iv (S_IFBLK) 1162 const_iv (S_IFBLK)
897 const_iv (S_IFREG) 1164 const_iv (S_IFREG)
898 const_iv (S_IFDIR) 1165 const_iv (S_IFDIR)
899 const_iv (S_IFWHT) 1166 const_iv (S_IFWHT)
900 const_iv (S_IFSOCK) 1167 const_iv (S_IFSOCK)
901 const_iv (S_IFMT) 1168 const_iv (S_IFMT)
902
903 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
904 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
905 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
906 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
907 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
908 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
909
910 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
911 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
912 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
913 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
914 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
915 1169
916 const_iv (ST_RDONLY) 1170 const_iv (ST_RDONLY)
917 const_iv (ST_NOSUID) 1171 const_iv (ST_NOSUID)
918 const_iv (ST_NODEV) 1172 const_iv (ST_NODEV)
919 const_iv (ST_NOEXEC) 1173 const_iv (ST_NOEXEC)
929 const_iv (PROT_NONE) 1183 const_iv (PROT_NONE)
930 const_iv (PROT_EXEC) 1184 const_iv (PROT_EXEC)
931 const_iv (PROT_READ) 1185 const_iv (PROT_READ)
932 const_iv (PROT_WRITE) 1186 const_iv (PROT_WRITE)
933 1187
934 /*const_iv (MAP_FIXED)*/
935 const_iv (MAP_PRIVATE) 1188 const_iv (MAP_PRIVATE)
936 const_iv (MAP_SHARED) 1189 const_iv (MAP_SHARED)
1190 const_iv (MAP_FIXED)
937 const_iv (MAP_ANONYMOUS) 1191 const_iv (MAP_ANONYMOUS)
938 1192
939 /* linuxish */ 1193 /* linuxish */
940 const_iv (MAP_HUGETLB)
941 const_iv (MAP_LOCKED) 1194 const_iv (MAP_LOCKED)
942 const_iv (MAP_NORESERVE) 1195 const_iv (MAP_NORESERVE)
943 const_iv (MAP_POPULATE) 1196 const_iv (MAP_POPULATE)
944 const_iv (MAP_NONBLOCK) 1197 const_iv (MAP_NONBLOCK)
1198 const_iv (MAP_GROWSDOWN)
1199 const_iv (MAP_32BIT)
1200 const_iv (MAP_HUGETLB)
1201 const_iv (MAP_STACK)
1202
1203 const_iv (MREMAP_MAYMOVE)
1204 const_iv (MREMAP_FIXED)
1205
1206 const_iv (MSG_CMSG_CLOEXEC)
1207 const_iv (SOCK_CLOEXEC)
1208
1209 const_iv (F_DUPFD_CLOEXEC)
1210
1211 const_iv (F_ADD_SEALS)
1212 const_iv (F_GET_SEALS)
1213 const_iv (F_SEAL_SEAL)
1214 const_iv (F_SEAL_SHRINK)
1215 const_iv (F_SEAL_GROW)
1216 const_iv (F_SEAL_WRITE)
1217
1218 const_iv (F_OFD_GETLK)
1219 const_iv (F_OFD_SETLK)
1220 const_iv (F_OFD_GETLKW)
1221
1222 const_iv (FIFREEZE)
1223 const_iv (FITHAW)
1224 const_iv (FITRIM)
1225 const_iv (FICLONE)
1226 const_iv (FICLONERANGE)
1227 const_iv (FIDEDUPERANGE)
1228
1229 const_iv (FS_IOC_GETFLAGS)
1230 const_iv (FS_IOC_SETFLAGS)
1231 const_iv (FS_IOC_GETVERSION)
1232 const_iv (FS_IOC_SETVERSION)
1233 const_iv (FS_IOC_FIEMAP)
1234 const_iv (FS_IOC_FSGETXATTR)
1235 const_iv (FS_IOC_FSSETXATTR)
1236 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1237 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1238 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1239
1240 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1241
1242 const_iv (FS_SECRM_FL)
1243 const_iv (FS_UNRM_FL)
1244 const_iv (FS_COMPR_FL)
1245 const_iv (FS_SYNC_FL)
1246 const_iv (FS_IMMUTABLE_FL)
1247 const_iv (FS_APPEND_FL)
1248 const_iv (FS_NODUMP_FL)
1249 const_iv (FS_NOATIME_FL)
1250 const_iv (FS_DIRTY_FL)
1251 const_iv (FS_COMPRBLK_FL)
1252 const_iv (FS_NOCOMP_FL)
1253 const_iv (FS_ENCRYPT_FL)
1254 const_iv (FS_BTREE_FL)
1255 const_iv (FS_INDEX_FL)
1256 const_iv (FS_JOURNAL_DATA_FL)
1257 const_iv (FS_NOTAIL_FL)
1258 const_iv (FS_DIRSYNC_FL)
1259 const_iv (FS_TOPDIR_FL)
1260 const_iv (FS_FL_USER_MODIFIABLE)
1261
1262 const_iv (FS_XFLAG_REALTIME)
1263 const_iv (FS_XFLAG_PREALLOC)
1264 const_iv (FS_XFLAG_IMMUTABLE)
1265 const_iv (FS_XFLAG_APPEND)
1266 const_iv (FS_XFLAG_SYNC)
1267 const_iv (FS_XFLAG_NOATIME)
1268 const_iv (FS_XFLAG_NODUMP)
1269 const_iv (FS_XFLAG_RTINHERIT)
1270 const_iv (FS_XFLAG_PROJINHERIT)
1271 const_iv (FS_XFLAG_NOSYMLINKS)
1272 const_iv (FS_XFLAG_EXTSIZE)
1273 const_iv (FS_XFLAG_EXTSZINHERIT)
1274 const_iv (FS_XFLAG_NODEFRAG)
1275 const_iv (FS_XFLAG_FILESTREAM)
1276 const_iv (FS_XFLAG_DAX)
1277 const_iv (FS_XFLAG_HASATTR)
945 1278
946 const_iv (FIEMAP_FLAG_SYNC) 1279 const_iv (FIEMAP_FLAG_SYNC)
947 const_iv (FIEMAP_FLAG_XATTR) 1280 const_iv (FIEMAP_FLAG_XATTR)
948 const_iv (FIEMAP_FLAGS_COMPAT) 1281 const_iv (FIEMAP_FLAGS_COMPAT)
949 const_iv (FIEMAP_EXTENT_LAST) 1282 const_iv (FIEMAP_EXTENT_LAST)
956 const_iv (FIEMAP_EXTENT_DATA_TAIL) 1289 const_iv (FIEMAP_EXTENT_DATA_TAIL)
957 const_iv (FIEMAP_EXTENT_UNWRITTEN) 1290 const_iv (FIEMAP_EXTENT_UNWRITTEN)
958 const_iv (FIEMAP_EXTENT_MERGED) 1291 const_iv (FIEMAP_EXTENT_MERGED)
959 const_iv (FIEMAP_EXTENT_SHARED) 1292 const_iv (FIEMAP_EXTENT_SHARED)
960 1293
1294 const_iv (SPLICE_F_MOVE)
1295 const_iv (SPLICE_F_NONBLOCK)
1296 const_iv (SPLICE_F_MORE)
1297 const_iv (SPLICE_F_GIFT)
1298
1299 const_iv (EFD_CLOEXEC)
1300 const_iv (EFD_NONBLOCK)
1301 const_iv (EFD_SEMAPHORE)
1302
1303 const_iv (MFD_CLOEXEC)
1304 const_iv (MFD_ALLOW_SEALING)
1305 const_iv (MFD_HUGETLB)
1306
1307 const_iv (CLOCK_REALTIME)
1308 const_iv (CLOCK_MONOTONIC)
1309 const_iv (CLOCK_BOOTTIME)
1310 const_iv (CLOCK_REALTIME_ALARM)
1311 const_iv (CLOCK_BOOTTIME_ALARM)
1312
1313 const_iv (TFD_NONBLOCK)
1314 const_iv (TFD_CLOEXEC)
1315
1316 const_iv (TFD_TIMER_ABSTIME)
1317 const_iv (TFD_TIMER_CANCEL_ON_SET)
1318
1319 const_iv (STATX_TYPE)
1320 const_iv (STATX_MODE)
1321 const_iv (STATX_NLINK)
1322 const_iv (STATX_UID)
1323 const_iv (STATX_GID)
1324 const_iv (STATX_ATIME)
1325 const_iv (STATX_MTIME)
1326 const_iv (STATX_CTIME)
1327 const_iv (STATX_INO)
1328 const_iv (STATX_SIZE)
1329 const_iv (STATX_BLOCKS)
1330 const_iv (STATX_BASIC_STATS)
1331 const_iv (STATX_ALL)
1332 const_iv (STATX_BTIME)
1333 const_iv (STATX_ATTR_COMPRESSED)
1334 const_iv (STATX_ATTR_IMMUTABLE)
1335 const_iv (STATX_ATTR_APPEND)
1336 const_iv (STATX_ATTR_NODUMP)
1337 const_iv (STATX_ATTR_ENCRYPTED)
1338 const_iv (STATX_ATTR_AUTOMOUNT)
1339
1340 const_iv (AT_FDCWD)
1341 const_iv (AT_SYMLINK_NOFOLLOW)
1342 const_iv (AT_EACCESS)
1343 const_iv (AT_REMOVEDIR)
1344 const_iv (AT_SYMLINK_FOLLOW)
1345 const_iv (AT_NO_AUTOMOUNT)
1346 const_iv (AT_EMPTY_PATH)
1347 const_iv (AT_STATX_SYNC_TYPE)
1348 const_iv (AT_STATX_AS_STAT)
1349 const_iv (AT_STATX_FORCE_SYNC)
1350 const_iv (AT_STATX_DONT_SYNC)
1351 const_iv (AT_RECURSIVE)
1352
1353 const_iv (OPEN_TREE_CLONE)
1354
1355 const_iv (FSOPEN_CLOEXEC)
1356
1357 const_iv (FSPICK_CLOEXEC)
1358 const_iv (FSPICK_SYMLINK_NOFOLLOW)
1359 const_iv (FSPICK_NO_AUTOMOUNT)
1360 const_iv (FSPICK_EMPTY_PATH)
1361
1362 const_iv (MOVE_MOUNT_F_SYMLINKS)
1363 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1364 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1365 const_iv (MOVE_MOUNT_T_SYMLINKS)
1366 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1367 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1368
1369 /* these are libeio constants, and are independent of gendef0 */
961 const_eio (SEEK_SET) 1370 const_eio (SEEK_SET)
962 const_eio (SEEK_CUR) 1371 const_eio (SEEK_CUR)
963 const_eio (SEEK_END) 1372 const_eio (SEEK_END)
964 1373
965 const_eio (MCL_FUTURE) 1374 const_eio (MCL_FUTURE)
966 const_eio (MCL_CURRENT) 1375 const_eio (MCL_CURRENT)
1376 const_eio (MCL_ONFAULT)
967 1377
968 const_eio (MS_ASYNC) 1378 const_eio (MS_ASYNC)
969 const_eio (MS_INVALIDATE) 1379 const_eio (MS_INVALIDATE)
970 const_eio (MS_SYNC) 1380 const_eio (MS_SYNC)
971 1381
974 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1384 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
975 const_eio (SYNC_FILE_RANGE_WRITE) 1385 const_eio (SYNC_FILE_RANGE_WRITE)
976 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1386 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
977 1387
978 const_eio (FALLOC_FL_KEEP_SIZE) 1388 const_eio (FALLOC_FL_KEEP_SIZE)
1389 const_eio (FALLOC_FL_PUNCH_HOLE)
1390 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1391 const_eio (FALLOC_FL_ZERO_RANGE)
1392 const_eio (FALLOC_FL_INSERT_RANGE)
1393 const_eio (FALLOC_FL_UNSHARE_RANGE)
1394
1395 const_eio (RENAME_NOREPLACE)
1396 const_eio (RENAME_EXCHANGE)
1397 const_eio (RENAME_WHITEOUT)
979 1398
980 const_eio (READDIR_DENTS) 1399 const_eio (READDIR_DENTS)
981 const_eio (READDIR_DIRS_FIRST) 1400 const_eio (READDIR_DIRS_FIRST)
982 const_eio (READDIR_STAT_ORDER) 1401 const_eio (READDIR_STAT_ORDER)
983 const_eio (READDIR_FOUND_UNKNOWN) 1402 const_eio (READDIR_FOUND_UNKNOWN)
1001 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1420 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1002 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1421 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1003 1422
1004 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1423 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1005 1424
1425 /* allocate dummy pipe fd for aio_close */
1426 {
1427 int pipefd [2];
1428
1429 if (
1430#ifdef _WIN32
1431 _pipe (pipefd, 1, _O_BINARY) < 0
1432#else
1433 pipe (pipefd) < 0
1434 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1435#endif
1436 || close (pipefd [1]) < 0
1437 )
1438 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1439
1440 close_fd = pipefd [0];
1441 }
1442
1006 reinit (); 1443 reinit ();
1007} 1444}
1008 1445
1009void 1446void
1010reinit () 1447reinit ()
1051 PROTOTYPE: $ 1488 PROTOTYPE: $
1052 CODE: 1489 CODE:
1053 max_outstanding = maxreqs; 1490 max_outstanding = maxreqs;
1054 1491
1055void 1492void
1056aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1493aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1057 PPCODE: 1494 PPCODE:
1058{ 1495{
1059 dREQ; 1496 dREQ;
1060 1497
1061 req->type = EIO_WD_OPEN; 1498 req->type = EIO_WD_OPEN;
1063 1500
1064 REQ_SEND; 1501 REQ_SEND;
1065} 1502}
1066 1503
1067void 1504void
1068aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1505aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1069 PPCODE: 1506 PPCODE:
1070{ 1507{
1071 dREQ; 1508 dREQ;
1072 1509
1073 req->type = EIO_OPEN; 1510 req->type = EIO_OPEN;
1077 1514
1078 REQ_SEND; 1515 REQ_SEND;
1079} 1516}
1080 1517
1081void 1518void
1082aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1519aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1083 ALIAS: 1520 ALIAS:
1084 aio_fsync = EIO_FSYNC 1521 aio_fsync = EIO_FSYNC
1085 aio_fdatasync = EIO_FDATASYNC 1522 aio_fdatasync = EIO_FDATASYNC
1086 aio_syncfs = EIO_SYNCFS 1523 aio_syncfs = EIO_SYNCFS
1087 PPCODE: 1524 PPCODE:
1088{ 1525{
1089 int fd = s_fileno_croak (fh, 0); 1526 int fd = s_fileno_croak (fh, 0);
1090 dREQ; 1527 dREQ;
1091 1528
1092 req->type = ix; 1529 req->type = ix;
1093 req->sv1 = newSVsv (fh); 1530 req->sv1 = newSVsv (fh);
1094 req->int1 = fd; 1531 req->int1 = fd;
1095 1532
1096 REQ_SEND; 1533 REQ_SEND;
1097} 1534}
1098 1535
1099void 1536void
1100aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1537aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1101 PPCODE: 1538 PPCODE:
1102{ 1539{
1103 int fd = s_fileno_croak (fh, 0); 1540 int fd = s_fileno_croak (fh, 0);
1104 dREQ; 1541 dREQ;
1105 1542
1106 req->type = EIO_SYNC_FILE_RANGE; 1543 req->type = EIO_SYNC_FILE_RANGE;
1107 req->sv1 = newSVsv (fh); 1544 req->sv1 = newSVsv (fh);
1108 req->int1 = fd; 1545 req->int1 = fd;
1112 1549
1113 REQ_SEND; 1550 REQ_SEND;
1114} 1551}
1115 1552
1116void 1553void
1117aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1554aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1118 PPCODE: 1555 PPCODE:
1119{ 1556{
1120 int fd = s_fileno_croak (fh, 0); 1557 int fd = s_fileno_croak (fh, 0);
1121 dREQ; 1558 dREQ;
1122 1559
1123 req->type = EIO_FALLOCATE; 1560 req->type = EIO_FALLOCATE;
1124 req->sv1 = newSVsv (fh); 1561 req->sv1 = newSVsv (fh);
1125 req->int1 = fd; 1562 req->int1 = fd;
1129 1566
1130 REQ_SEND; 1567 REQ_SEND;
1131} 1568}
1132 1569
1133void 1570void
1134aio_close (SV *fh, SV *callback=&PL_sv_undef) 1571aio_close (SV *fh, SV *callback = &PL_sv_undef)
1135 PPCODE: 1572 PPCODE:
1136{ 1573{
1137 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1138 int fd = s_fileno_croak (fh, 0); 1574 int fd = s_fileno_croak (fh, 0);
1139 dREQ; 1575 dREQ;
1576#if 0
1577 /* partially duplicate logic in s_fileno */
1578 SvGETMAGIC (fh);
1140 1579
1141 if (expect_false (close_fd < 0)) 1580 if (SvROK (fh))
1581 {
1582 fh = SvRV (fh);
1583 SvGETMAGIC (fh);
1584 }
1585
1586 if (SvTYPE (fh) == SVt_PVGV)
1142 { 1587 {
1143 int pipefd [2]; 1588 /* perl filehandle */
1589 PerlIOUnix_refcnt_inc (fd);
1590 do_close ((GV *)fh, 1);
1144 1591
1145 if ( 1592 req->type = EIO_CLOSE;
1146#ifdef _WIN32 1593 req->int1 = fd;
1147 _pipe (pipefd, 1, _O_BINARY) < 0 1594 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1148#else
1149 pipe (pipefd) < 0
1150 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1151#endif
1152 || close (pipefd [1]) < 0
1153 )
1154 abort (); /*D*/
1155
1156 close_fd = pipefd [0];
1157 } 1595 }
1158 1596 else
1597#endif
1598 {
1599 /* fd number */
1159 req->type = EIO_DUP2; 1600 req->type = EIO_DUP2;
1160 req->int1 = close_fd; 1601 req->int1 = close_fd;
1161 req->sv2 = newSVsv (fh); 1602 req->sv2 = newSVsv (fh);
1162 req->int2 = fd; 1603 req->int2 = fd;
1604 }
1163 1605
1164 REQ_SEND; 1606 REQ_SEND;
1165} 1607}
1166 1608
1167void 1609void
1168aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1610aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1169 PPCODE: 1611 PPCODE:
1170{ 1612{
1171 int fd = s_fileno_croak (fh, 0); 1613 int fd = s_fileno_croak (fh, 0);
1172 dREQ; 1614 dREQ;
1173 1615
1179 1621
1180 REQ_SEND; 1622 REQ_SEND;
1181} 1623}
1182 1624
1183void 1625void
1184aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1626aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1185 ALIAS: 1627 ALIAS:
1186 aio_read = EIO_READ 1628 aio_read = EIO_READ
1187 aio_write = EIO_WRITE 1629 aio_write = EIO_WRITE
1188 PPCODE: 1630 PPCODE:
1189{ 1631{
1205 len = svlen - dataoffset; 1647 len = svlen - dataoffset;
1206 } 1648 }
1207 else 1649 else
1208 { 1650 {
1209 /* read: check type and grow scalar as necessary */ 1651 /* read: check type and grow scalar as necessary */
1210 SvUPGRADE (data, SVt_PV); 1652 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1211 svptr = SvGROW (data, len + dataoffset + 1); 1653 svptr = sv_grow (data, len + dataoffset + 1);
1654 else if (SvCUR (data) < len + dataoffset)
1655 croak ("length + dataoffset outside of scalar, and cannot grow");
1212 } 1656 }
1213 1657
1214 { 1658 {
1215 dREQ; 1659 dREQ;
1216 1660
1232 REQ_SEND; 1676 REQ_SEND;
1233 } 1677 }
1234} 1678}
1235 1679
1236void 1680void
1681aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1682 ALIAS:
1683 aio_ioctl = EIO_IOCTL
1684 aio_fcntl = EIO_FCNTL
1685 PPCODE:
1686{
1687 int fd = s_fileno_croak (fh, 0);
1688 char *svptr;
1689
1690 if (SvPOK (arg) || !SvNIOK (arg))
1691 {
1692 STRLEN svlen;
1693 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1694#ifdef IOCPARM_LEN
1695 STRLEN need = IOCPARM_LEN (request);
1696#else
1697 STRLEN need = 256;
1698#endif
1699
1700 if (svlen < need)
1701 svptr = SvGROW (arg, need);
1702 }
1703 else
1704 svptr = (char *)SvIV (arg);
1705
1706 {
1707 dREQ;
1708
1709 req->type = ix;
1710 req->sv1 = newSVsv (fh);
1711 req->int1 = fd;
1712 req->int2 = (long)request;
1713 req->sv2 = SvREFCNT_inc (arg);
1714 req->ptr2 = svptr;
1715
1716 REQ_SEND;
1717 }
1718}
1719
1720void
1237aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1721aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1238 ALIAS: 1722 ALIAS:
1239 aio_readlink = EIO_READLINK 1723 aio_readlink = EIO_READLINK
1240 aio_realpath = EIO_REALPATH 1724 aio_realpath = EIO_REALPATH
1241 PPCODE: 1725 PPCODE:
1242{ 1726{
1247 1731
1248 REQ_SEND; 1732 REQ_SEND;
1249} 1733}
1250 1734
1251void 1735void
1252aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1736aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1253 PPCODE: 1737 PPCODE:
1254{ 1738{
1255 int ifd = s_fileno_croak (in_fh , 0); 1739 int ifd = s_fileno_croak (in_fh , 0);
1256 int ofd = s_fileno_croak (out_fh, 1); 1740 int ofd = s_fileno_croak (out_fh, 1);
1257 dREQ; 1741 dREQ;
1258 1742
1259 req->type = EIO_SENDFILE; 1743 req->type = EIO_SENDFILE;
1260 req->sv1 = newSVsv (out_fh); 1744 req->sv1 = newSVsv (out_fh);
1261 req->int1 = ofd; 1745 req->int1 = ofd;
1266 1750
1267 REQ_SEND; 1751 REQ_SEND;
1268} 1752}
1269 1753
1270void 1754void
1271aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1755aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1272 PPCODE: 1756 PPCODE:
1273{ 1757{
1274 int fd = s_fileno_croak (fh, 0); 1758 int fd = s_fileno_croak (fh, 0);
1275 dREQ; 1759 dREQ;
1276 1760
1277 req->type = EIO_READAHEAD; 1761 req->type = EIO_READAHEAD;
1278 req->sv1 = newSVsv (fh); 1762 req->sv1 = newSVsv (fh);
1279 req->int1 = fd; 1763 req->int1 = fd;
1282 1766
1283 REQ_SEND; 1767 REQ_SEND;
1284} 1768}
1285 1769
1286void 1770void
1287aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1771aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1288 ALIAS: 1772 ALIAS:
1289 aio_stat = EIO_STAT 1773 aio_stat = EIO_STAT
1290 aio_lstat = EIO_LSTAT 1774 aio_lstat = EIO_LSTAT
1291 aio_statvfs = EIO_STATVFS 1775 aio_statvfs = EIO_STATVFS
1292 PPCODE: 1776 PPCODE:
1295 1779
1296 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1780 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1297 1781
1298 REQ_SEND; 1782 REQ_SEND;
1299} 1783}
1784
1785void
1786st_xtime ()
1787 ALIAS:
1788 st_atime = 0x01
1789 st_mtime = 0x02
1790 st_ctime = 0x04
1791 st_btime = 0x08
1792 st_xtime = 0x0f
1793 PPCODE:
1794 EXTEND (SP, 4);
1795 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1796 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1797 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1798 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1799
1800void
1801st_xtimensec ()
1802 ALIAS:
1803 st_atimensec = 0x01
1804 st_mtimensec = 0x02
1805 st_ctimensec = 0x04
1806 st_btimensec = 0x08
1807 st_xtimensec = 0x0f
1808 st_btimesec = 0x10
1809 st_gen = 0x20
1810 PPCODE:
1811 EXTEND (SP, 4);
1812 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1813 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1814 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1815 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1816 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1817 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1300 1818
1301UV 1819UV
1302major (UV dev) 1820major (UV dev)
1303 ALIAS: 1821 ALIAS:
1304 minor = 1 1822 minor = 1
1305 CODE: 1823 CODE:
1306 RETVAL = ix ? major (dev) : minor (dev); 1824 RETVAL = ix ? minor (dev) : major (dev);
1307 OUTPUT: 1825 OUTPUT:
1308 RETVAL 1826 RETVAL
1309 1827
1310UV 1828UV
1311makedev (UV maj, UV min) 1829makedev (UV maj, UV min)
1313 RETVAL = makedev (maj, min); 1831 RETVAL = makedev (maj, min);
1314 OUTPUT: 1832 OUTPUT:
1315 RETVAL 1833 RETVAL
1316 1834
1317void 1835void
1318aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1836aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1319 PPCODE: 1837 PPCODE:
1320{ 1838{
1321 dREQ; 1839 dREQ;
1322 1840
1323 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1841 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1326 1844
1327 REQ_SEND; 1845 REQ_SEND;
1328} 1846}
1329 1847
1330void 1848void
1331aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1849aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1332 PPCODE: 1850 PPCODE:
1333{ 1851{
1334 dREQ; 1852 dREQ;
1335 1853
1336 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1854 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1338 1856
1339 REQ_SEND; 1857 REQ_SEND;
1340} 1858}
1341 1859
1342void 1860void
1343aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1861aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1344 PPCODE: 1862 PPCODE:
1345{ 1863{
1346 dREQ; 1864 dREQ;
1347 1865
1348 req->int2 = mode; 1866 req->int2 = mode;
1350 1868
1351 REQ_SEND; 1869 REQ_SEND;
1352} 1870}
1353 1871
1354void 1872void
1355aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1873aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1356 PPCODE: 1874 PPCODE:
1357{ 1875{
1358 dREQ; 1876 dREQ;
1359 1877
1360 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1878 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1363 1881
1364 REQ_SEND; 1882 REQ_SEND;
1365} 1883}
1366 1884
1367void 1885void
1368aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1886aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1369 PPCODE: 1887 PPCODE:
1370{ 1888{
1371 dREQ; 1889 dREQ;
1372 1890
1373 req->type = EIO_READDIR; 1891 req->type = EIO_READDIR;
1380 1898
1381 REQ_SEND; 1899 REQ_SEND;
1382} 1900}
1383 1901
1384void 1902void
1385aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1903aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1386 PPCODE: 1904 PPCODE:
1387{ 1905{
1388 dREQ; 1906 dREQ;
1389 1907
1390 req->type = EIO_MKDIR; 1908 req->type = EIO_MKDIR;
1393 1911
1394 REQ_SEND; 1912 REQ_SEND;
1395} 1913}
1396 1914
1397void 1915void
1398aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1916aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1399 ALIAS: 1917 ALIAS:
1400 aio_unlink = EIO_UNLINK 1918 aio_unlink = EIO_UNLINK
1401 aio_rmdir = EIO_RMDIR 1919 aio_rmdir = EIO_RMDIR
1402 aio_readdir = EIO_READDIR 1920 aio_readdir = EIO_READDIR
1403 PPCODE: 1921 PPCODE:
1409 1927
1410 REQ_SEND; 1928 REQ_SEND;
1411} 1929}
1412 1930
1413void 1931void
1414aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1932aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1415 ALIAS: 1933 ALIAS:
1416 aio_link = EIO_LINK 1934 aio_link = EIO_LINK
1417 aio_symlink = EIO_SYMLINK 1935 aio_symlink = EIO_SYMLINK
1418 aio_rename = EIO_RENAME 1936 aio_rename = EIO_RENAME
1419 PPCODE: 1937 PPCODE:
1421 eio_wd wd2 = 0; 1939 eio_wd wd2 = 0;
1422 dREQ; 1940 dREQ;
1423 1941
1424 req->type = ix; 1942 req->type = ix;
1425 req_set_path1 (req, oldpath); 1943 req_set_path1 (req, oldpath);
1426 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1944 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1427 req->int3 = (long)wd2; 1945 req->int3 = (long)wd2;
1428 1946
1429 REQ_SEND; 1947 REQ_SEND;
1430} 1948}
1431 1949
1432void 1950void
1951aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1952 PPCODE:
1953{
1954 eio_wd wd2 = 0;
1955 dREQ;
1956
1957 req->type = EIO_RENAME;
1958 req_set_path1 (req, oldpath);
1959 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1960 req->int2 = flags;
1961 req->int3 = (long)wd2;
1962
1963 REQ_SEND;
1964}
1965
1966void
1433aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1967aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1434 PPCODE: 1968 PPCODE:
1435{ 1969{
1436 dREQ; 1970 dREQ;
1437 1971
1438 req->type = EIO_MKNOD; 1972 req->type = EIO_MKNOD;
1442 1976
1443 REQ_SEND; 1977 REQ_SEND;
1444} 1978}
1445 1979
1446void 1980void
1447aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1981aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1448 ALIAS: 1982 ALIAS:
1449 aio_mtouch = EIO_MTOUCH 1983 aio_mtouch = EIO_MTOUCH
1450 aio_msync = EIO_MSYNC 1984 aio_msync = EIO_MSYNC
1451 PPCODE: 1985 PPCODE:
1452{ 1986{
1453 STRLEN svlen; 1987 STRLEN svlen;
1454 char *svptr = SvPVbyte (data, svlen); 1988 char *svptr = SvPVbyte (data, svlen);
1455 UV len = SvUV (length); 1989 UV len = SvUV (length);
1990
1991 if (flags < 0)
1992 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1456 1993
1457 if (offset < 0) 1994 if (offset < 0)
1458 offset += svlen; 1995 offset += svlen;
1459 1996
1460 if (offset < 0 || offset > svlen) 1997 if (offset < 0 || offset > svlen)
1475 REQ_SEND; 2012 REQ_SEND;
1476 } 2013 }
1477} 2014}
1478 2015
1479void 2016void
1480aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2017aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1481 PPCODE: 2018 PPCODE:
1482{ 2019{
1483 STRLEN svlen; 2020 STRLEN svlen;
1484 char *svptr = SvPVbyte (data, svlen); 2021 char *svptr = SvPVbyte (data, svlen);
1485 UV len = SvUV (length); 2022 UV len = SvUV (length);
1504 REQ_SEND; 2041 REQ_SEND;
1505 } 2042 }
1506} 2043}
1507 2044
1508void 2045void
1509aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2046aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1510 PPCODE: 2047 PPCODE:
1511{ 2048{
1512 dREQ; 2049 dREQ;
1513 2050
1514 req->type = EIO_MLOCKALL; 2051 req->type = EIO_MLOCKALL;
1516 2053
1517 REQ_SEND; 2054 REQ_SEND;
1518} 2055}
1519 2056
1520void 2057void
1521aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 2058aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1522 PPCODE: 2059 PPCODE:
1523{ 2060{
1524 int fd = s_fileno_croak (fh, 0); 2061 int fd = s_fileno_croak (fh, 0);
1525 dREQ; 2062 dREQ;
1526 2063
1527 req->type = EIO_CUSTOM; 2064 req->type = EIO_CUSTOM;
1528 req->sv1 = newSVsv (fh); 2065 req->sv1 = newSVsv (fh);
1529 req->int1 = fd; 2066 req->int1 = fd;
1539 2076
1540 REQ_SEND; 2077 REQ_SEND;
1541} 2078}
1542 2079
1543void 2080void
2081aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2082 PPCODE:
2083{
2084 char *svptr = 0;
2085
2086 sv_clear_foreign (data);
2087
2088 if (length) /* known length, directly read into scalar */
2089 {
2090 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2091 svptr = sv_grow (data, length + 1);
2092 else if (SvCUR (data) < length)
2093 croak ("length outside of scalar, and cannot grow");
2094 else
2095 svptr = SvPVbyte_nolen (data);
2096 }
2097
2098 {
2099 dREQ;
2100
2101 req->type = EIO_SLURP;
2102 req_set_path1 (req, pathname);
2103 req->offs = offset;
2104 req->size = length;
2105 req->sv2 = SvREFCNT_inc (data);
2106 req->ptr2 = svptr;
2107
2108 if (!SvREADONLY (data))
2109 {
2110 SvREADONLY_on (data);
2111 req->flags |= FLAG_SV2_RO_OFF;
2112 }
2113
2114 REQ_SEND;
2115 }
2116}
2117
2118void
1544aio_busy (double delay, SV *callback=&PL_sv_undef) 2119aio_busy (double delay, SV *callback = &PL_sv_undef)
1545 PPCODE: 2120 PPCODE:
1546{ 2121{
1547 dREQ; 2122 dREQ;
1548 2123
1549 req->type = EIO_BUSY; 2124 req->type = EIO_BUSY;
1551 2126
1552 REQ_SEND; 2127 REQ_SEND;
1553} 2128}
1554 2129
1555void 2130void
1556aio_group (SV *callback=&PL_sv_undef) 2131aio_group (SV *callback = &PL_sv_undef)
1557 PPCODE: 2132 PPCODE:
1558{ 2133{
1559 dREQ; 2134 dREQ;
1560 2135
1561 req->type = EIO_GROUP; 2136 req->type = EIO_GROUP;
1562 2137
2138 PUTBACK;
1563 req_submit (req); 2139 req_submit (req);
2140 SPAGAIN;
2141
1564 XPUSHs (req_sv (req, aio_grp_stash)); 2142 XPUSHs (req_sv (req, aio_grp_stash));
1565} 2143}
1566 2144
1567void 2145void
1568aio_nop (SV *callback=&PL_sv_undef) 2146aio_nop (SV *callback = &PL_sv_undef)
1569 ALIAS: 2147 ALIAS:
1570 aio_nop = EIO_NOP 2148 aio_nop = EIO_NOP
1571 aio_sync = EIO_SYNC 2149 aio_sync = EIO_SYNC
1572 PPCODE: 2150 PPCODE:
1573{ 2151{
1577 2155
1578 REQ_SEND; 2156 REQ_SEND;
1579} 2157}
1580 2158
1581int 2159int
1582aioreq_pri (int pri = 0) 2160aioreq_pri (int pri = NO_INIT)
1583 CODE: 2161 CODE:
1584 RETVAL = next_pri; 2162 RETVAL = next_pri;
1585 if (items > 0) 2163 if (items > 0)
1586 { 2164 {
1587 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2165 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1677 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2255 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1678 OUTPUT: 2256 OUTPUT:
1679 RETVAL 2257 RETVAL
1680 2258
1681void 2259void
1682mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 2260mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1683 PPCODE: 2261 PPCODE:
1684 sv_unmagic (scalar, MMAP_MAGIC); 2262 sv_clear_foreign (scalar);
1685{ 2263{
1686 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2264 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1687 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2265 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1688 if (addr == (void *)-1) 2266 if (addr == (void *)-1)
1689 XSRETURN_NO; 2267 XSRETURN_NO;
1690 2268
1691 sv_force_normal (scalar); 2269 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1692
1693 /* we store the length in mg_obj, as namlen is I32 :/ */
1694 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1695 ->mg_obj = (SV *)length;
1696
1697 SvUPGRADE (scalar, SVt_PV); /* nop... */
1698 2270
1699 if (!(prot & PROT_WRITE)) 2271 if (!(prot & PROT_WRITE))
1700 SvREADONLY_on (scalar); 2272 SvREADONLY_on (scalar);
1701 2273
1702 if (SvLEN (scalar))
1703 Safefree (SvPVX (scalar));
1704
1705 SvPVX (scalar) = (char *)addr;
1706 SvCUR_set (scalar, length);
1707 SvLEN_set (scalar, 0);
1708 SvPOK_only (scalar);
1709
1710 XSRETURN_YES; 2274 XSRETURN_YES;
1711} 2275}
1712 2276
1713void 2277void
1714munmap (SV *scalar) 2278munmap (SV *scalar)
1715 CODE: 2279 CODE:
1716 sv_unmagic (scalar, MMAP_MAGIC); 2280 sv_clear_foreign (scalar);
2281
2282SV *
2283mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2284 CODE:
2285{
2286 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2287 void *new;
2288
2289 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2290 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2291
2292 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2293
2294 RETVAL = &PL_sv_no;
2295
2296 if (new != (void *)-1)
2297 {
2298 RETVAL = new == (void *)mg->mg_ptr
2299 ? newSVpvn ("0 but true", 10)
2300 : &PL_sv_yes;
2301
2302 mg->mg_ptr = (char *)new;
2303 mg->mg_obj = (SV *)new_length;
2304
2305 SvPVX (scalar) = mg->mg_ptr;
2306 SvCUR_set (scalar, new_length);
2307 }
2308}
2309 OUTPUT:
2310 RETVAL
1717 2311
1718int 2312int
1719madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2313madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1720 ALIAS: 2314 ALIAS:
1721 mprotect = 1 2315 mprotect = 1
1722 CODE: 2316 CODE:
1723{ 2317{
1724 STRLEN svlen; 2318 STRLEN svlen;
1725 void *addr = SvPVbyte (scalar, svlen); 2319 void *addr = SvPVbyte (scalar, svlen);
1726 size_t len = SvUV (length); 2320 STRLEN len = SvUV (length);
1727 2321
1728 if (offset < 0) 2322 if (offset < 0)
1729 offset += svlen; 2323 offset += svlen;
1730 2324
1731 if (offset < 0 || offset > svlen) 2325 if (offset < 0 || offset > svlen)
1745} 2339}
1746 OUTPUT: 2340 OUTPUT:
1747 RETVAL 2341 RETVAL
1748 2342
1749int 2343int
1750munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2344munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1751 CODE: 2345 CODE:
1752{ 2346{
1753 STRLEN svlen; 2347 STRLEN svlen;
1754 void *addr = SvPVbyte (scalar, svlen); 2348 void *addr = SvPVbyte (scalar, svlen);
1755 size_t len = SvUV (length); 2349 size_t len = SvUV (length);
1756 2350
1757 if (offset < 0) 2351 if (offset < 0)
1758 offset += svlen; 2352 offset += svlen;
1759 2353
1766 addr = (void *)(((intptr_t)addr) + offset); 2360 addr = (void *)(((intptr_t)addr) + offset);
1767 eio_page_align (&addr, &len); 2361 eio_page_align (&addr, &len);
1768#if _POSIX_MEMLOCK_RANGE 2362#if _POSIX_MEMLOCK_RANGE
1769 RETVAL = munlock (addr, len); 2363 RETVAL = munlock (addr, len);
1770#else 2364#else
1771 RETVAL = ((errno = ENOSYS), -1); 2365 RETVAL = EIO_ENOSYS ();
1772#endif 2366#endif
1773} 2367}
1774 OUTPUT: 2368 OUTPUT:
2369 RETVAL
2370
2371int
2372mlockall (int flags)
2373 PROTOTYPE: $;
2374 CODE:
2375 RETVAL = eio_mlockall_sync (flags);
2376 OUTPUT:
1775 RETVAL 2377 RETVAL
1776 2378
1777int 2379int
1778munlockall () 2380munlockall ()
1779 CODE: 2381 CODE:
1780#if _POSIX_MEMLOCK 2382#if _POSIX_MEMLOCK
1781 munlockall (); 2383 munlockall ();
1782#else 2384#else
1783 RETVAL = -1; 2385 RETVAL = EIO_ENOSYS ();
1784 errno = ENOSYS;
1785#endif 2386#endif
1786 OUTPUT: 2387 OUTPUT:
1787 RETVAL 2388 RETVAL
2389
2390int
2391statx (SV8 *pathname, int flags, UV mask)
2392 CODE:
2393{
2394 /* undocumented, and might go away, and anyway, should use eio_statx */
2395 SV *wdsv = 0;
2396 SV *pathsv = 0;
2397 eio_wd wd = EIO_CWD;
2398 void *ptr;
2399 int res;
2400
2401 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2402 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2403
2404 SvREFCNT_dec (pathsv);
2405 SvREFCNT_dec (wdsv);
2406}
2407 OUTPUT:
2408 RETVAL
2409
2410U32
2411stx_mode ()
2412 PROTOTYPE:
2413 CODE:
2414#if HAVE_STATX
2415 RETVAL = stx.stx_mode;
2416#else
2417 XSRETURN_UNDEF;
2418#endif
2419 OUTPUT:
2420 RETVAL
2421
2422#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2423#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2424#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2425#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2426#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2427#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2428#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2429#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2430#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2431#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2432#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2433#define STATX_OFFSET_size statx_offsetof (stx_size)
2434#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2435#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2436#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2437#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2438#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2439#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2440
2441U32
2442stx_mask ()
2443 PROTOTYPE:
2444 ALIAS:
2445 stx_mask = STATX_OFFSET_mask
2446 stx_blksize = STATX_OFFSET_blksize
2447 stx_nlink = STATX_OFFSET_nlink
2448 stx_uid = STATX_OFFSET_uid
2449 stx_gid = STATX_OFFSET_gid
2450 stx_rdev_major = STATX_OFFSET_rdev_major
2451 stx_rdev_minor = STATX_OFFSET_rdev_minor
2452 stx_dev_major = STATX_OFFSET_dev_major
2453 stx_dev_minor = STATX_OFFSET_dev_minor
2454 CODE:
2455#if HAVE_STATX
2456 RETVAL = *(__u32 *)((char *)&stx + ix);
2457#else
2458 XSRETURN_UNDEF;
2459#endif
2460 OUTPUT:
2461 RETVAL
2462
2463VAL64
2464stx_attributes ()
2465 PROTOTYPE:
2466 ALIAS:
2467 stx_attributes = STATX_OFFSET_attributes
2468 stx_ino = STATX_OFFSET_ino
2469 stx_size = STATX_OFFSET_size
2470 stx_blocks = STATX_OFFSET_blocks
2471 stx_attributes_mask = STATX_OFFSET_attributes_mask
2472 CODE:
2473#if HAVE_STATX
2474 RETVAL = *(__u64 *)((char *)&stx + ix);
2475#else
2476 XSRETURN_UNDEF;
2477#endif
2478 OUTPUT:
2479 RETVAL
2480
2481NV
2482stx_atime ()
2483 PROTOTYPE:
2484 ALIAS:
2485 stx_atime = STATX_OFFSET_atime
2486 stx_btime = STATX_OFFSET_btime
2487 stx_ctime = STATX_OFFSET_ctime
2488 stx_mtime = STATX_OFFSET_mtime
2489 CODE:
2490#if HAVE_STATX
2491 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2492 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2493#else
2494 XSRETURN_UNDEF;
2495#endif
2496 OUTPUT:
2497 RETVAL
2498
2499VAL64
2500stx_atimesec ()
2501 PROTOTYPE:
2502 ALIAS:
2503 stx_atimesec = STATX_OFFSET_atime
2504 stx_btimesec = STATX_OFFSET_btime
2505 stx_ctimesec = STATX_OFFSET_ctime
2506 stx_mtimesec = STATX_OFFSET_mtime
2507 CODE:
2508#if HAVE_STATX
2509 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2510 RETVAL = ts->tv_sec;
2511#else
2512 XSRETURN_UNDEF;
2513#endif
2514 OUTPUT:
2515 RETVAL
2516
2517U32
2518stx_atimensec ()
2519 PROTOTYPE:
2520 ALIAS:
2521 stx_atimensec = STATX_OFFSET_atime
2522 stx_btimensec = STATX_OFFSET_btime
2523 stx_ctimensec = STATX_OFFSET_ctime
2524 stx_mtimensec = STATX_OFFSET_mtime
2525 CODE:
2526#if HAVE_STATX
2527 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2528 RETVAL = ts->tv_nsec;
2529#else
2530 RETVAL = 0;
2531#endif
2532 OUTPUT:
2533 RETVAL
2534
2535void
2536accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2537 PPCODE:
2538{
2539 SV *retval;
2540#if HAVE_ACCEPT4
2541 socklen_t salen_ = salen ? salen + 1 : 0;
2542
2543 if (salen)
2544 {
2545 sv_upgrade (sockaddr, SVt_PV);
2546 sv_grow (sockaddr, salen_);
2547 }
2548
2549 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2550
2551 retval = newmortalFH (res, O_RDWR);
2552
2553 if (res >= 0 && salen > 0)
2554 {
2555 if (salen_ > salen + 1)
2556 salen_ = salen + 1;
2557
2558 SvPOK_only (sockaddr);
2559 SvCUR_set (sockaddr, salen_);
2560 }
2561#else
2562 errno = ENOSYS;
2563 retval = &PL_sv_undef;
2564#endif
2565 XPUSHs (retval);
2566}
2567
2568ssize_t
2569splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
2570 CODE:
2571{
2572#if HAVE_LINUX_SPLICE
2573 loff_t off_in_, off_out_;
2574 RETVAL = splice (
2575 rfh, SvOK (off_in ) ? (off_in_ = SvVAL64 (off_in )), &off_in_ : 0,
2576 wfh, SvOK (off_out) ? (off_out_ = SvVAL64 (off_out)), &off_out_ : 0,
2577 length, flags
2578 );
2579#else
2580 RETVAL = EIO_ENOSYS ();
2581#endif
2582}
2583 OUTPUT:
2584 RETVAL
2585
2586ssize_t
2587tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
2588 CODE:
2589#if HAVE_LINUX_SPLICE
2590 RETVAL = tee (rfh, wfh, length, flags);
2591#else
2592 RETVAL = EIO_ENOSYS ();
2593#endif
2594 OUTPUT:
2595 RETVAL
2596
2597int
2598pipesize (aio_rfd rfh, int new_size = -1)
2599 PROTOTYPE: $;$
2600 CODE:
2601#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2602 if (new_size >= 0)
2603 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2604 else
2605 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2606#else
2607 errno = ENOSYS;
2608 RETVAL = -1;
2609#endif
2610 OUTPUT:
2611 RETVAL
2612
2613void
2614pipe2 (int flags = 0)
2615 PROTOTYPE: ;$
2616 PPCODE:
2617{
2618 int fd[2];
2619 int res;
2620
2621 if (flags)
2622#if HAVE_PIPE2
2623 res = pipe2 (fd, flags);
2624#else
2625 res = (errno = ENOSYS, -1);
2626#endif
2627 else
2628 res = pipe (fd);
2629
2630 if (!res)
2631 {
2632 EXTEND (SP, 2);
2633 PUSHs (newmortalFH (fd[0], O_RDONLY));
2634 PUSHs (newmortalFH (fd[1], O_WRONLY));
2635 }
2636}
2637
2638void
2639pidfd_open (int pid, unsigned int flags = 0)
2640 PPCODE:
2641{
2642 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2643 int fd = syscall (SYS_pidfd_open, pid, flags);
2644 XPUSHs (newmortalFH (fd, O_RDWR));
2645}
2646
2647int
2648pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2649 PPCODE:
2650{
2651 int res;
2652 siginfo_t si = { 0 };
2653
2654 if (SvOK (siginfo))
2655 {
2656 HV *hv;
2657 SV **svp;
2658
2659 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2660 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2661
2662 hv = (HV *)SvRV (siginfo);
2663
2664 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2665 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2666 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2667 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2668 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2669 }
2670
2671 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2672 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2673
2674 XPUSHs (sv_2mortal (newSViv (res)));
2675}
2676
2677void
2678pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2679 PPCODE:
2680{
2681 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2682 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2683 XPUSHs (newmortalFH (fd, O_RDWR));
2684}
2685
2686void
2687eventfd (unsigned int initval = 0, int flags = 0)
2688 PPCODE:
2689{
2690 int fd;
2691#if HAVE_EVENTFD
2692 fd = eventfd (initval, flags);
2693#else
2694 fd = (errno = ENOSYS, -1);
2695#endif
2696
2697 XPUSHs (newmortalFH (fd, O_RDWR));
2698}
2699
2700void
2701timerfd_create (int clockid, int flags = 0)
2702 PPCODE:
2703{
2704 int fd;
2705#if HAVE_TIMERFD
2706 fd = timerfd_create (clockid, flags);
2707#else
2708 fd = (errno = ENOSYS, -1);
2709#endif
2710
2711 XPUSHs (newmortalFH (fd, O_RDWR));
2712}
2713
2714void
2715timerfd_settime (SV *fh, int flags, NV interval, NV value)
2716 PPCODE:
2717{
2718 int fd = s_fileno_croak (fh, 0);
2719#if HAVE_TIMERFD
2720 int res;
2721 struct itimerspec its, ots;
2722
2723 ts_set (&its.it_interval, interval);
2724 ts_set (&its.it_value , value);
2725 res = timerfd_settime (fd, flags, &its, &ots);
2726
2727 if (!res)
2728 {
2729 EXTEND (SP, 2);
2730 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2731 PUSHs (newSVnv (ts_get (&ots.it_value)));
2732 }
2733#else
2734 errno = ENOSYS;
2735#endif
2736}
2737
2738void
2739timerfd_gettime (SV *fh)
2740 PPCODE:
2741{
2742 int fd = s_fileno_croak (fh, 0);
2743#if HAVE_TIMERFD
2744 int res;
2745 struct itimerspec ots;
2746 res = timerfd_gettime (fd, &ots);
2747
2748 if (!res)
2749 {
2750 EXTEND (SP, 2);
2751 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2752 PUSHs (newSVnv (ts_get (&ots.it_value)));
2753 }
2754#else
2755 errno = ENOSYS;
2756#endif
2757}
2758
2759void
2760memfd_create (SV8 *pathname, int flags = 0)
2761 PPCODE:
2762{
2763 int fd;
2764#if HAVE_MEMFD_CREATE
2765 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2766#else
2767 fd = (errno = ENOSYS, -1);
2768#endif
2769
2770 XPUSHs (newmortalFH (fd, O_RDWR));
2771}
2772
2773UV
2774get_fdlimit ()
2775 CODE:
2776#if HAVE_RLIMITS
2777 struct rlimit rl;
2778 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2779 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2780#endif
2781 XSRETURN_UNDEF;
2782 OUTPUT:
2783 RETVAL
2784
2785void
2786min_fdlimit (UV limit = 0x7fffffffU)
2787 CODE:
2788{
2789#if HAVE_RLIMITS
2790 struct rlimit rl;
2791 rlim_t orig_rlim_max;
2792 UV bit;
2793
2794 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2795 goto fail;
2796
2797 if (rl.rlim_cur == RLIM_INFINITY)
2798 XSRETURN_YES;
2799
2800 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2801
2802 if (rl.rlim_cur < limit)
2803 {
2804 rl.rlim_cur = limit;
2805
2806 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2807 rl.rlim_max = rl.rlim_cur;
2808 }
2809
2810 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2811 XSRETURN_YES;
2812
2813 if (errno == EPERM)
2814 {
2815 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2816 /* our limit overflows a system-wide limit */
2817 /* try an adaptive algorithm, but do not lower the hardlimit */
2818 rl.rlim_max = 0;
2819 for (bit = 0x40000000U; bit; bit >>= 1)
2820 {
2821 rl.rlim_max |= bit;
2822 rl.rlim_cur = rl.rlim_max;
2823
2824 /* never decrease the hard limit */
2825 if (rl.rlim_max < orig_rlim_max)
2826 break;
2827
2828 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2829 rl.rlim_max &= ~bit; /* too high, remove bit again */
2830 }
2831
2832 /* now, raise the soft limit to the max permitted */
2833 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2834 {
2835 rl.rlim_cur = rl.rlim_max;
2836 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2837 errno = EPERM;
2838 }
2839 }
2840#endif
2841 fail:
2842 XSRETURN_UNDEF;
2843}
1788 2844
1789void _on_next_submit (SV *cb) 2845void _on_next_submit (SV *cb)
1790 CODE: 2846 CODE:
1791 SvREFCNT_dec (on_next_submit); 2847 SvREFCNT_dec (on_next_submit);
1792 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2848 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1827cancel (aio_req_ornot req) 2883cancel (aio_req_ornot req)
1828 CODE: 2884 CODE:
1829 eio_cancel (req); 2885 eio_cancel (req);
1830 2886
1831void 2887void
1832cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2888cb (aio_req_ornot req, SV *callback = NO_INIT)
1833 PPCODE: 2889 PPCODE:
1834{ 2890{
1835 if (GIMME_V != G_VOID) 2891 if (GIMME_V != G_VOID)
1836 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2892 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1837 2893
1838 if (items > 1) 2894 if (items > 1)
1839 { 2895 {
1840 SV *cb_cv =get_cb (callback); 2896 SV *cb_cv = get_cb (callback);
1841 2897
1842 SvREFCNT_dec (req->callback); 2898 SvREFCNT_dec (req->callback);
1843 req->callback = SvREFCNT_inc (cb_cv); 2899 req->callback = SvREFCNT_inc (cb_cv);
1844 } 2900 }
1845} 2901}
1902limit (aio_req grp, int limit) 2958limit (aio_req grp, int limit)
1903 CODE: 2959 CODE:
1904 eio_grp_limit (grp, limit); 2960 eio_grp_limit (grp, limit);
1905 2961
1906void 2962void
1907feed (aio_req grp, SV *callback=&PL_sv_undef) 2963feed (aio_req grp, SV *callback = &PL_sv_undef)
1908 CODE: 2964 CODE:
1909{ 2965{
1910 SvREFCNT_dec (grp->sv2); 2966 SvREFCNT_dec (grp->sv2);
1911 grp->sv2 = newSVsv (callback); 2967 grp->sv2 = newSVsv (callback);
1912 grp->feed = aio_grp_feed; 2968 grp->feed = aio_grp_feed;

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