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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.214 by root, Mon May 28 17:00:19 2012 UTC vs.
Revision 1.285 by root, Tue Dec 29 15:16:28 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) EIO_ENOSYS ()
704# define munmap(addr,length) EIO_ENOSYS ()
705#endif
706
707#if !_POSIX_MEMORY_PROTECTION
708# define mprotect(addr,len,prot) EIO_ENOSYS ()
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)
961 const_iv (SPLICE_F_MOVE) 1294 const_iv (SPLICE_F_MOVE)
962 const_iv (SPLICE_F_NONBLOCK) 1295 const_iv (SPLICE_F_NONBLOCK)
963 const_iv (SPLICE_F_MORE) 1296 const_iv (SPLICE_F_MORE)
964 const_iv (SPLICE_F_GIFT) 1297 const_iv (SPLICE_F_GIFT)
965 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)
966 const_iv (SEEK_DATA) 1331 const_iv (STATX_ALL)
967 const_iv (SEEK_HOLE) 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)
968 1339
969 /* libeio constants */ 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 (MOVE_MOUNT_F_SYMLINKS)
1356 const_iv (MOVE_MOUNT_F_AUTOMOUNTS)
1357 const_iv (MOVE_MOUNT_F_EMPTY_PATH)
1358 const_iv (MOVE_MOUNT_T_SYMLINKS)
1359 const_iv (MOVE_MOUNT_T_AUTOMOUNTS)
1360 const_iv (MOVE_MOUNT_T_EMPTY_PATH)
1361
1362 /* these are libeio constants, and are independent of gendef0 */
970 const_eio (SEEK_SET) 1363 const_eio (SEEK_SET)
971 const_eio (SEEK_CUR) 1364 const_eio (SEEK_CUR)
972 const_eio (SEEK_END) 1365 const_eio (SEEK_END)
973 1366
974 const_eio (MCL_FUTURE) 1367 const_eio (MCL_FUTURE)
975 const_eio (MCL_CURRENT) 1368 const_eio (MCL_CURRENT)
1369 const_eio (MCL_ONFAULT)
976 1370
977 const_eio (MS_ASYNC) 1371 const_eio (MS_ASYNC)
978 const_eio (MS_INVALIDATE) 1372 const_eio (MS_INVALIDATE)
979 const_eio (MS_SYNC) 1373 const_eio (MS_SYNC)
980 1374
983 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE) 1377 const_eio (SYNC_FILE_RANGE_WAIT_BEFORE)
984 const_eio (SYNC_FILE_RANGE_WRITE) 1378 const_eio (SYNC_FILE_RANGE_WRITE)
985 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1379 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
986 1380
987 const_eio (FALLOC_FL_KEEP_SIZE) 1381 const_eio (FALLOC_FL_KEEP_SIZE)
1382 const_eio (FALLOC_FL_PUNCH_HOLE)
1383 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1384 const_eio (FALLOC_FL_ZERO_RANGE)
1385 const_eio (FALLOC_FL_INSERT_RANGE)
1386 const_eio (FALLOC_FL_UNSHARE_RANGE)
1387
1388 const_eio (RENAME_NOREPLACE)
1389 const_eio (RENAME_EXCHANGE)
1390 const_eio (RENAME_WHITEOUT)
988 1391
989 const_eio (READDIR_DENTS) 1392 const_eio (READDIR_DENTS)
990 const_eio (READDIR_DIRS_FIRST) 1393 const_eio (READDIR_DIRS_FIRST)
991 const_eio (READDIR_STAT_ORDER) 1394 const_eio (READDIR_STAT_ORDER)
992 const_eio (READDIR_FOUND_UNKNOWN) 1395 const_eio (READDIR_FOUND_UNKNOWN)
1010 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--) 1413 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1011 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv)); 1414 newCONSTSUB (aio_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1012 1415
1013 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); 1416 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
1014 1417
1418 /* allocate dummy pipe fd for aio_close */
1419 {
1420 int pipefd [2];
1421
1422 if (
1423#ifdef _WIN32
1424 _pipe (pipefd, 1, _O_BINARY) < 0
1425#else
1426 pipe (pipefd) < 0
1427 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1428#endif
1429 || close (pipefd [1]) < 0
1430 )
1431 croak ("IO::AIO: unable to create dummy pipe for aio_close");
1432
1433 close_fd = pipefd [0];
1434 }
1435
1015 reinit (); 1436 reinit ();
1016} 1437}
1017 1438
1018void 1439void
1019reinit () 1440reinit ()
1060 PROTOTYPE: $ 1481 PROTOTYPE: $
1061 CODE: 1482 CODE:
1062 max_outstanding = maxreqs; 1483 max_outstanding = maxreqs;
1063 1484
1064void 1485void
1065aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1486aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1066 PPCODE: 1487 PPCODE:
1067{ 1488{
1068 dREQ; 1489 dREQ;
1069 1490
1070 req->type = EIO_WD_OPEN; 1491 req->type = EIO_WD_OPEN;
1072 1493
1073 REQ_SEND; 1494 REQ_SEND;
1074} 1495}
1075 1496
1076void 1497void
1077aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1498aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1078 PPCODE: 1499 PPCODE:
1079{ 1500{
1080 dREQ; 1501 dREQ;
1081 1502
1082 req->type = EIO_OPEN; 1503 req->type = EIO_OPEN;
1086 1507
1087 REQ_SEND; 1508 REQ_SEND;
1088} 1509}
1089 1510
1090void 1511void
1091aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1512aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1092 ALIAS: 1513 ALIAS:
1093 aio_fsync = EIO_FSYNC 1514 aio_fsync = EIO_FSYNC
1094 aio_fdatasync = EIO_FDATASYNC 1515 aio_fdatasync = EIO_FDATASYNC
1095 aio_syncfs = EIO_SYNCFS 1516 aio_syncfs = EIO_SYNCFS
1096 PPCODE: 1517 PPCODE:
1097{ 1518{
1098 int fd = s_fileno_croak (fh, 0); 1519 int fd = s_fileno_croak (fh, 0);
1099 dREQ; 1520 dREQ;
1100 1521
1101 req->type = ix; 1522 req->type = ix;
1102 req->sv1 = newSVsv (fh); 1523 req->sv1 = newSVsv (fh);
1103 req->int1 = fd; 1524 req->int1 = fd;
1104 1525
1105 REQ_SEND; 1526 REQ_SEND;
1106} 1527}
1107 1528
1108void 1529void
1109aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1530aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1110 PPCODE: 1531 PPCODE:
1111{ 1532{
1112 int fd = s_fileno_croak (fh, 0); 1533 int fd = s_fileno_croak (fh, 0);
1113 dREQ; 1534 dREQ;
1114 1535
1115 req->type = EIO_SYNC_FILE_RANGE; 1536 req->type = EIO_SYNC_FILE_RANGE;
1116 req->sv1 = newSVsv (fh); 1537 req->sv1 = newSVsv (fh);
1117 req->int1 = fd; 1538 req->int1 = fd;
1121 1542
1122 REQ_SEND; 1543 REQ_SEND;
1123} 1544}
1124 1545
1125void 1546void
1126aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1547aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1127 PPCODE: 1548 PPCODE:
1128{ 1549{
1129 int fd = s_fileno_croak (fh, 0); 1550 int fd = s_fileno_croak (fh, 0);
1130 dREQ; 1551 dREQ;
1131 1552
1132 req->type = EIO_FALLOCATE; 1553 req->type = EIO_FALLOCATE;
1133 req->sv1 = newSVsv (fh); 1554 req->sv1 = newSVsv (fh);
1134 req->int1 = fd; 1555 req->int1 = fd;
1138 1559
1139 REQ_SEND; 1560 REQ_SEND;
1140} 1561}
1141 1562
1142void 1563void
1143aio_close (SV *fh, SV *callback=&PL_sv_undef) 1564aio_close (SV *fh, SV *callback = &PL_sv_undef)
1144 PPCODE: 1565 PPCODE:
1145{ 1566{
1146 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1147 int fd = s_fileno_croak (fh, 0); 1567 int fd = s_fileno_croak (fh, 0);
1148 dREQ; 1568 dREQ;
1569#if 0
1570 /* partially duplicate logic in s_fileno */
1571 SvGETMAGIC (fh);
1149 1572
1150 if (expect_false (close_fd < 0)) 1573 if (SvROK (fh))
1574 {
1575 fh = SvRV (fh);
1576 SvGETMAGIC (fh);
1577 }
1578
1579 if (SvTYPE (fh) == SVt_PVGV)
1151 { 1580 {
1152 int pipefd [2]; 1581 /* perl filehandle */
1582 PerlIOUnix_refcnt_inc (fd);
1583 do_close ((GV *)fh, 1);
1153 1584
1154 if ( 1585 req->type = EIO_CLOSE;
1155#ifdef _WIN32 1586 req->int1 = fd;
1156 _pipe (pipefd, 1, _O_BINARY) < 0 1587 /*req->sv2 = newSVsv (fh);*/ /* since we stole the fd, no need to keep the fh */
1157#else
1158 pipe (pipefd) < 0
1159 || fcntl (pipefd [0], F_SETFD, FD_CLOEXEC) < 0
1160#endif
1161 || close (pipefd [1]) < 0
1162 )
1163 abort (); /*D*/
1164
1165 close_fd = pipefd [0];
1166 } 1588 }
1167 1589 else
1590#endif
1591 {
1592 /* fd number */
1168 req->type = EIO_DUP2; 1593 req->type = EIO_DUP2;
1169 req->int1 = close_fd; 1594 req->int1 = close_fd;
1170 req->sv2 = newSVsv (fh); 1595 req->sv2 = newSVsv (fh);
1171 req->int2 = fd; 1596 req->int2 = fd;
1597 }
1172 1598
1173 REQ_SEND; 1599 REQ_SEND;
1174} 1600}
1175 1601
1176void 1602void
1177aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1603aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1178 PPCODE: 1604 PPCODE:
1179{ 1605{
1180 int fd = s_fileno_croak (fh, 0); 1606 int fd = s_fileno_croak (fh, 0);
1181 dREQ; 1607 dREQ;
1182 1608
1188 1614
1189 REQ_SEND; 1615 REQ_SEND;
1190} 1616}
1191 1617
1192void 1618void
1193aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1619aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1194 ALIAS: 1620 ALIAS:
1195 aio_read = EIO_READ 1621 aio_read = EIO_READ
1196 aio_write = EIO_WRITE 1622 aio_write = EIO_WRITE
1197 PPCODE: 1623 PPCODE:
1198{ 1624{
1214 len = svlen - dataoffset; 1640 len = svlen - dataoffset;
1215 } 1641 }
1216 else 1642 else
1217 { 1643 {
1218 /* read: check type and grow scalar as necessary */ 1644 /* read: check type and grow scalar as necessary */
1219 SvUPGRADE (data, SVt_PV); 1645 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1220 svptr = SvGROW (data, len + dataoffset + 1); 1646 svptr = sv_grow (data, len + dataoffset + 1);
1647 else if (SvCUR (data) < len + dataoffset)
1648 croak ("length + dataoffset outside of scalar, and cannot grow");
1221 } 1649 }
1222 1650
1223 { 1651 {
1224 dREQ; 1652 dREQ;
1225 1653
1241 REQ_SEND; 1669 REQ_SEND;
1242 } 1670 }
1243} 1671}
1244 1672
1245void 1673void
1674aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1675 ALIAS:
1676 aio_ioctl = EIO_IOCTL
1677 aio_fcntl = EIO_FCNTL
1678 PPCODE:
1679{
1680 int fd = s_fileno_croak (fh, 0);
1681 char *svptr;
1682
1683 if (SvPOK (arg) || !SvNIOK (arg))
1684 {
1685 STRLEN svlen;
1686 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1687#ifdef IOCPARM_LEN
1688 STRLEN need = IOCPARM_LEN (request);
1689#else
1690 STRLEN need = 256;
1691#endif
1692
1693 if (svlen < need)
1694 svptr = SvGROW (arg, need);
1695 }
1696 else
1697 svptr = (char *)SvIV (arg);
1698
1699 {
1700 dREQ;
1701
1702 req->type = ix;
1703 req->sv1 = newSVsv (fh);
1704 req->int1 = fd;
1705 req->int2 = (long)request;
1706 req->sv2 = SvREFCNT_inc (arg);
1707 req->ptr2 = svptr;
1708
1709 REQ_SEND;
1710 }
1711}
1712
1713void
1246aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1714aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1247 ALIAS: 1715 ALIAS:
1248 aio_readlink = EIO_READLINK 1716 aio_readlink = EIO_READLINK
1249 aio_realpath = EIO_REALPATH 1717 aio_realpath = EIO_REALPATH
1250 PPCODE: 1718 PPCODE:
1251{ 1719{
1256 1724
1257 REQ_SEND; 1725 REQ_SEND;
1258} 1726}
1259 1727
1260void 1728void
1261aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1729aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1262 PPCODE: 1730 PPCODE:
1263{ 1731{
1264 int ifd = s_fileno_croak (in_fh , 0); 1732 int ifd = s_fileno_croak (in_fh , 0);
1265 int ofd = s_fileno_croak (out_fh, 1); 1733 int ofd = s_fileno_croak (out_fh, 1);
1266 dREQ; 1734 dREQ;
1267 1735
1268 req->type = EIO_SENDFILE; 1736 req->type = EIO_SENDFILE;
1269 req->sv1 = newSVsv (out_fh); 1737 req->sv1 = newSVsv (out_fh);
1270 req->int1 = ofd; 1738 req->int1 = ofd;
1275 1743
1276 REQ_SEND; 1744 REQ_SEND;
1277} 1745}
1278 1746
1279void 1747void
1280aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1748aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1281 PPCODE: 1749 PPCODE:
1282{ 1750{
1283 int fd = s_fileno_croak (fh, 0); 1751 int fd = s_fileno_croak (fh, 0);
1284 dREQ; 1752 dREQ;
1285 1753
1286 req->type = EIO_READAHEAD; 1754 req->type = EIO_READAHEAD;
1287 req->sv1 = newSVsv (fh); 1755 req->sv1 = newSVsv (fh);
1288 req->int1 = fd; 1756 req->int1 = fd;
1291 1759
1292 REQ_SEND; 1760 REQ_SEND;
1293} 1761}
1294 1762
1295void 1763void
1296aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1764aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1297 ALIAS: 1765 ALIAS:
1298 aio_stat = EIO_STAT 1766 aio_stat = EIO_STAT
1299 aio_lstat = EIO_LSTAT 1767 aio_lstat = EIO_LSTAT
1300 aio_statvfs = EIO_STATVFS 1768 aio_statvfs = EIO_STATVFS
1301 PPCODE: 1769 PPCODE:
1304 1772
1305 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); 1773 req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path);
1306 1774
1307 REQ_SEND; 1775 REQ_SEND;
1308} 1776}
1777
1778void
1779st_xtime ()
1780 ALIAS:
1781 st_atime = 0x01
1782 st_mtime = 0x02
1783 st_ctime = 0x04
1784 st_btime = 0x08
1785 st_xtime = 0x0f
1786 PPCODE:
1787 EXTEND (SP, 4);
1788 if (ix & 0x01) PUSHs (newSVnv (PL_statcache.st_atime + 1e-9 * ATIMENSEC));
1789 if (ix & 0x02) PUSHs (newSVnv (PL_statcache.st_mtime + 1e-9 * MTIMENSEC));
1790 if (ix & 0x04) PUSHs (newSVnv (PL_statcache.st_ctime + 1e-9 * CTIMENSEC));
1791 if (ix & 0x08) PUSHs (newSVnv (BTIMESEC + 1e-9 * BTIMENSEC));
1792
1793void
1794st_xtimensec ()
1795 ALIAS:
1796 st_atimensec = 0x01
1797 st_mtimensec = 0x02
1798 st_ctimensec = 0x04
1799 st_btimensec = 0x08
1800 st_xtimensec = 0x0f
1801 st_btimesec = 0x10
1802 st_gen = 0x20
1803 PPCODE:
1804 EXTEND (SP, 4);
1805 if (ix & 0x01) PUSHs (newSViv (ATIMENSEC));
1806 if (ix & 0x02) PUSHs (newSViv (MTIMENSEC));
1807 if (ix & 0x04) PUSHs (newSViv (CTIMENSEC));
1808 if (ix & 0x08) PUSHs (newSViv (BTIMENSEC));
1809 if (ix & 0x10) PUSHs (newSVuv (BTIMESEC));
1810 if (ix & 0x20) PUSHs (newSVuv (ST_GEN));
1309 1811
1310UV 1812UV
1311major (UV dev) 1813major (UV dev)
1312 ALIAS: 1814 ALIAS:
1313 minor = 1 1815 minor = 1
1314 CODE: 1816 CODE:
1315 RETVAL = ix ? major (dev) : minor (dev); 1817 RETVAL = ix ? minor (dev) : major (dev);
1316 OUTPUT: 1818 OUTPUT:
1317 RETVAL 1819 RETVAL
1318 1820
1319UV 1821UV
1320makedev (UV maj, UV min) 1822makedev (UV maj, UV min)
1322 RETVAL = makedev (maj, min); 1824 RETVAL = makedev (maj, min);
1323 OUTPUT: 1825 OUTPUT:
1324 RETVAL 1826 RETVAL
1325 1827
1326void 1828void
1327aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1829aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1328 PPCODE: 1830 PPCODE:
1329{ 1831{
1330 dREQ; 1832 dREQ;
1331 1833
1332 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1834 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
1335 1837
1336 REQ_SEND; 1838 REQ_SEND;
1337} 1839}
1338 1840
1339void 1841void
1340aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1842aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1341 PPCODE: 1843 PPCODE:
1342{ 1844{
1343 dREQ; 1845 dREQ;
1344 1846
1345 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1847 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
1347 1849
1348 REQ_SEND; 1850 REQ_SEND;
1349} 1851}
1350 1852
1351void 1853void
1352aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1854aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1353 PPCODE: 1855 PPCODE:
1354{ 1856{
1355 dREQ; 1857 dREQ;
1356 1858
1357 req->int2 = mode; 1859 req->int2 = mode;
1359 1861
1360 REQ_SEND; 1862 REQ_SEND;
1361} 1863}
1362 1864
1363void 1865void
1364aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1866aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1365 PPCODE: 1867 PPCODE:
1366{ 1868{
1367 dREQ; 1869 dREQ;
1368 1870
1369 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1871 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
1372 1874
1373 REQ_SEND; 1875 REQ_SEND;
1374} 1876}
1375 1877
1376void 1878void
1377aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1879aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1378 PPCODE: 1880 PPCODE:
1379{ 1881{
1380 dREQ; 1882 dREQ;
1381 1883
1382 req->type = EIO_READDIR; 1884 req->type = EIO_READDIR;
1389 1891
1390 REQ_SEND; 1892 REQ_SEND;
1391} 1893}
1392 1894
1393void 1895void
1394aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1896aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1395 PPCODE: 1897 PPCODE:
1396{ 1898{
1397 dREQ; 1899 dREQ;
1398 1900
1399 req->type = EIO_MKDIR; 1901 req->type = EIO_MKDIR;
1402 1904
1403 REQ_SEND; 1905 REQ_SEND;
1404} 1906}
1405 1907
1406void 1908void
1407aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1909aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1408 ALIAS: 1910 ALIAS:
1409 aio_unlink = EIO_UNLINK 1911 aio_unlink = EIO_UNLINK
1410 aio_rmdir = EIO_RMDIR 1912 aio_rmdir = EIO_RMDIR
1411 aio_readdir = EIO_READDIR 1913 aio_readdir = EIO_READDIR
1412 PPCODE: 1914 PPCODE:
1418 1920
1419 REQ_SEND; 1921 REQ_SEND;
1420} 1922}
1421 1923
1422void 1924void
1423aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1925aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1424 ALIAS: 1926 ALIAS:
1425 aio_link = EIO_LINK 1927 aio_link = EIO_LINK
1426 aio_symlink = EIO_SYMLINK 1928 aio_symlink = EIO_SYMLINK
1427 aio_rename = EIO_RENAME 1929 aio_rename = EIO_RENAME
1428 PPCODE: 1930 PPCODE:
1430 eio_wd wd2 = 0; 1932 eio_wd wd2 = 0;
1431 dREQ; 1933 dREQ;
1432 1934
1433 req->type = ix; 1935 req->type = ix;
1434 req_set_path1 (req, oldpath); 1936 req_set_path1 (req, oldpath);
1435 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2); 1937 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1436 req->int3 = (long)wd2; 1938 req->int3 = (long)wd2;
1437 1939
1438 REQ_SEND; 1940 REQ_SEND;
1439} 1941}
1440 1942
1441void 1943void
1944aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1945 PPCODE:
1946{
1947 eio_wd wd2 = 0;
1948 dREQ;
1949
1950 req->type = EIO_RENAME;
1951 req_set_path1 (req, oldpath);
1952 req_set_path (newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1953 req->int2 = flags;
1954 req->int3 = (long)wd2;
1955
1956 REQ_SEND;
1957}
1958
1959void
1442aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1960aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1443 PPCODE: 1961 PPCODE:
1444{ 1962{
1445 dREQ; 1963 dREQ;
1446 1964
1447 req->type = EIO_MKNOD; 1965 req->type = EIO_MKNOD;
1451 1969
1452 REQ_SEND; 1970 REQ_SEND;
1453} 1971}
1454 1972
1455void 1973void
1456aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1974aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1457 ALIAS: 1975 ALIAS:
1458 aio_mtouch = EIO_MTOUCH 1976 aio_mtouch = EIO_MTOUCH
1459 aio_msync = EIO_MSYNC 1977 aio_msync = EIO_MSYNC
1460 PPCODE: 1978 PPCODE:
1461{ 1979{
1462 STRLEN svlen; 1980 STRLEN svlen;
1463 char *svptr = SvPVbyte (data, svlen); 1981 char *svptr = SvPVbyte (data, svlen);
1464 UV len = SvUV (length); 1982 UV len = SvUV (length);
1983
1984 if (flags < 0)
1985 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1465 1986
1466 if (offset < 0) 1987 if (offset < 0)
1467 offset += svlen; 1988 offset += svlen;
1468 1989
1469 if (offset < 0 || offset > svlen) 1990 if (offset < 0 || offset > svlen)
1484 REQ_SEND; 2005 REQ_SEND;
1485 } 2006 }
1486} 2007}
1487 2008
1488void 2009void
1489aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 2010aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1490 PPCODE: 2011 PPCODE:
1491{ 2012{
1492 STRLEN svlen; 2013 STRLEN svlen;
1493 char *svptr = SvPVbyte (data, svlen); 2014 char *svptr = SvPVbyte (data, svlen);
1494 UV len = SvUV (length); 2015 UV len = SvUV (length);
1513 REQ_SEND; 2034 REQ_SEND;
1514 } 2035 }
1515} 2036}
1516 2037
1517void 2038void
1518aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 2039aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1519 PPCODE: 2040 PPCODE:
1520{ 2041{
1521 dREQ; 2042 dREQ;
1522 2043
1523 req->type = EIO_MLOCKALL; 2044 req->type = EIO_MLOCKALL;
1525 2046
1526 REQ_SEND; 2047 REQ_SEND;
1527} 2048}
1528 2049
1529void 2050void
1530aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 2051aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1531 PPCODE: 2052 PPCODE:
1532{ 2053{
1533 int fd = s_fileno_croak (fh, 0); 2054 int fd = s_fileno_croak (fh, 0);
1534 dREQ; 2055 dREQ;
1535 2056
1536 req->type = EIO_CUSTOM; 2057 req->type = EIO_CUSTOM;
1537 req->sv1 = newSVsv (fh); 2058 req->sv1 = newSVsv (fh);
1538 req->int1 = fd; 2059 req->int1 = fd;
1548 2069
1549 REQ_SEND; 2070 REQ_SEND;
1550} 2071}
1551 2072
1552void 2073void
2074aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
2075 PPCODE:
2076{
2077 char *svptr = 0;
2078
2079 sv_clear_foreign (data);
2080
2081 if (length) /* known length, directly read into scalar */
2082 {
2083 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
2084 svptr = sv_grow (data, length + 1);
2085 else if (SvCUR (data) < length)
2086 croak ("length outside of scalar, and cannot grow");
2087 else
2088 svptr = SvPVbyte_nolen (data);
2089 }
2090
2091 {
2092 dREQ;
2093
2094 req->type = EIO_SLURP;
2095 req_set_path1 (req, pathname);
2096 req->offs = offset;
2097 req->size = length;
2098 req->sv2 = SvREFCNT_inc (data);
2099 req->ptr2 = svptr;
2100
2101 if (!SvREADONLY (data))
2102 {
2103 SvREADONLY_on (data);
2104 req->flags |= FLAG_SV2_RO_OFF;
2105 }
2106
2107 REQ_SEND;
2108 }
2109}
2110
2111void
1553aio_busy (double delay, SV *callback=&PL_sv_undef) 2112aio_busy (double delay, SV *callback = &PL_sv_undef)
1554 PPCODE: 2113 PPCODE:
1555{ 2114{
1556 dREQ; 2115 dREQ;
1557 2116
1558 req->type = EIO_BUSY; 2117 req->type = EIO_BUSY;
1560 2119
1561 REQ_SEND; 2120 REQ_SEND;
1562} 2121}
1563 2122
1564void 2123void
1565aio_group (SV *callback=&PL_sv_undef) 2124aio_group (SV *callback = &PL_sv_undef)
1566 PPCODE: 2125 PPCODE:
1567{ 2126{
1568 dREQ; 2127 dREQ;
1569 2128
1570 req->type = EIO_GROUP; 2129 req->type = EIO_GROUP;
1571 2130
2131 PUTBACK;
1572 req_submit (req); 2132 req_submit (req);
2133 SPAGAIN;
2134
1573 XPUSHs (req_sv (req, aio_grp_stash)); 2135 XPUSHs (req_sv (req, aio_grp_stash));
1574} 2136}
1575 2137
1576void 2138void
1577aio_nop (SV *callback=&PL_sv_undef) 2139aio_nop (SV *callback = &PL_sv_undef)
1578 ALIAS: 2140 ALIAS:
1579 aio_nop = EIO_NOP 2141 aio_nop = EIO_NOP
1580 aio_sync = EIO_SYNC 2142 aio_sync = EIO_SYNC
1581 PPCODE: 2143 PPCODE:
1582{ 2144{
1586 2148
1587 REQ_SEND; 2149 REQ_SEND;
1588} 2150}
1589 2151
1590int 2152int
1591aioreq_pri (int pri = 0) 2153aioreq_pri (int pri = NO_INIT)
1592 CODE: 2154 CODE:
1593 RETVAL = next_pri; 2155 RETVAL = next_pri;
1594 if (items > 0) 2156 if (items > 0)
1595 { 2157 {
1596 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 2158 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1686 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 2248 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1687 OUTPUT: 2249 OUTPUT:
1688 RETVAL 2250 RETVAL
1689 2251
1690void 2252void
1691mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 2253mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1692 PPCODE: 2254 PPCODE:
1693 sv_unmagic (scalar, MMAP_MAGIC); 2255 sv_clear_foreign (scalar);
1694{ 2256{
1695 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2257 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1696 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2258 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1697 if (addr == (void *)-1) 2259 if (addr == (void *)-1)
1698 XSRETURN_NO; 2260 XSRETURN_NO;
1699 2261
1700 sv_force_normal (scalar); 2262 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1701
1702 /* we store the length in mg_obj, as namlen is I32 :/ */
1703 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1704 ->mg_obj = (SV *)length;
1705
1706 SvUPGRADE (scalar, SVt_PV); /* nop... */
1707 2263
1708 if (!(prot & PROT_WRITE)) 2264 if (!(prot & PROT_WRITE))
1709 SvREADONLY_on (scalar); 2265 SvREADONLY_on (scalar);
1710 2266
1711 if (SvLEN (scalar))
1712 Safefree (SvPVX (scalar));
1713
1714 SvPVX (scalar) = (char *)addr;
1715 SvCUR_set (scalar, length);
1716 SvLEN_set (scalar, 0);
1717 SvPOK_only (scalar);
1718
1719 XSRETURN_YES; 2267 XSRETURN_YES;
1720} 2268}
1721 2269
1722void 2270void
1723munmap (SV *scalar) 2271munmap (SV *scalar)
1724 CODE: 2272 CODE:
1725 sv_unmagic (scalar, MMAP_MAGIC); 2273 sv_clear_foreign (scalar);
2274
2275SV *
2276mremap (SV *scalar, STRLEN new_length, int flags = MREMAP_MAYMOVE, IV new_address = 0)
2277 CODE:
2278{
2279 MAGIC *mg = mg_findext (scalar, FOREIGN_MAGIC, &mmap_vtbl);
2280 void *new;
2281
2282 if (!mg || SvPVX (scalar) != mg->mg_ptr)
2283 croak ("IO::AIO::mremap: scalar not mapped by IO::AIO::mmap or improperly modified");
2284
2285 new = mremap (mg->mg_ptr, (size_t)mg->mg_obj, new_length, flags, (void *)new_address);
2286
2287 RETVAL = &PL_sv_no;
2288
2289 if (new != (void *)-1)
2290 {
2291 RETVAL = new == (void *)mg->mg_ptr
2292 ? newSVpvn ("0 but true", 10)
2293 : &PL_sv_yes;
2294
2295 mg->mg_ptr = (char *)new;
2296 mg->mg_obj = (SV *)new_length;
2297
2298 SvPVX (scalar) = mg->mg_ptr;
2299 SvCUR_set (scalar, new_length);
2300 }
2301}
2302 OUTPUT:
2303 RETVAL
1726 2304
1727int 2305int
1728madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2306madvise (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1729 ALIAS: 2307 ALIAS:
1730 mprotect = 1 2308 mprotect = 1
1731 CODE: 2309 CODE:
1732{ 2310{
1733 STRLEN svlen; 2311 STRLEN svlen;
1734 void *addr = SvPVbyte (scalar, svlen); 2312 void *addr = SvPVbyte (scalar, svlen);
1735 size_t len = SvUV (length); 2313 STRLEN len = SvUV (length);
1736 2314
1737 if (offset < 0) 2315 if (offset < 0)
1738 offset += svlen; 2316 offset += svlen;
1739 2317
1740 if (offset < 0 || offset > svlen) 2318 if (offset < 0 || offset > svlen)
1754} 2332}
1755 OUTPUT: 2333 OUTPUT:
1756 RETVAL 2334 RETVAL
1757 2335
1758int 2336int
1759munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2337munlock (SV *scalar, IV offset = 0, SV *length = &PL_sv_undef)
1760 CODE: 2338 CODE:
1761{ 2339{
1762 STRLEN svlen; 2340 STRLEN svlen;
1763 void *addr = SvPVbyte (scalar, svlen); 2341 void *addr = SvPVbyte (scalar, svlen);
1764 size_t len = SvUV (length); 2342 size_t len = SvUV (length);
1765 2343
1766 if (offset < 0) 2344 if (offset < 0)
1767 offset += svlen; 2345 offset += svlen;
1768 2346
1779#else 2357#else
1780 RETVAL = EIO_ENOSYS (); 2358 RETVAL = EIO_ENOSYS ();
1781#endif 2359#endif
1782} 2360}
1783 OUTPUT: 2361 OUTPUT:
2362 RETVAL
2363
2364int
2365mlockall (int flags)
2366 PROTOTYPE: $;
2367 CODE:
2368 RETVAL = eio_mlockall_sync (flags);
2369 OUTPUT:
1784 RETVAL 2370 RETVAL
1785 2371
1786int 2372int
1787munlockall () 2373munlockall ()
1788 CODE: 2374 CODE:
1793#endif 2379#endif
1794 OUTPUT: 2380 OUTPUT:
1795 RETVAL 2381 RETVAL
1796 2382
1797int 2383int
2384statx (SV8 *pathname, int flags, UV mask)
2385 CODE:
2386{
2387 /* undocumented, and might go away, and anyway, should use eio_statx */
2388 SV *wdsv = 0;
2389 SV *pathsv = 0;
2390 eio_wd wd = EIO_CWD;
2391 void *ptr;
2392 int res;
2393
2394 req_set_path (pathname, &wdsv, &pathsv, &wd, &ptr);
2395 RETVAL = eio__statx (!wd || wd->fd == EIO_CWD ? AT_FDCWD : wd->fd, ptr, flags, mask & STATX_ALL, &stx);
2396
2397 SvREFCNT_dec (pathsv);
2398 SvREFCNT_dec (wdsv);
2399}
2400 OUTPUT:
2401 RETVAL
2402
2403U32
2404stx_mode ()
2405 PROTOTYPE:
2406 CODE:
2407#if HAVE_STATX
2408 RETVAL = stx.stx_mode;
2409#else
2410 XSRETURN_UNDEF;
2411#endif
2412 OUTPUT:
2413 RETVAL
2414
2415#define STATX_OFFSET_mask statx_offsetof (stx_mask)
2416#define STATX_OFFSET_blksize statx_offsetof (stx_blksize)
2417#define STATX_OFFSET_nlink statx_offsetof (stx_nlink)
2418#define STATX_OFFSET_uid statx_offsetof (stx_uid)
2419#define STATX_OFFSET_gid statx_offsetof (stx_gid)
2420#define STATX_OFFSET_rdev_major statx_offsetof (stx_rdev_major)
2421#define STATX_OFFSET_rdev_minor statx_offsetof (stx_rdev_minor)
2422#define STATX_OFFSET_dev_major statx_offsetof (stx_dev_major)
2423#define STATX_OFFSET_dev_minor statx_offsetof (stx_dev_minor)
2424#define STATX_OFFSET_attributes statx_offsetof (stx_attributes)
2425#define STATX_OFFSET_ino statx_offsetof (stx_ino)
2426#define STATX_OFFSET_size statx_offsetof (stx_size)
2427#define STATX_OFFSET_blocks statx_offsetof (stx_blocks)
2428#define STATX_OFFSET_attributes_mask statx_offsetof (stx_attributes_mask)
2429#define STATX_OFFSET_atime statx_offsetof (stx_atime)
2430#define STATX_OFFSET_btime statx_offsetof (stx_btime)
2431#define STATX_OFFSET_ctime statx_offsetof (stx_ctime)
2432#define STATX_OFFSET_mtime statx_offsetof (stx_mtime)
2433
2434U32
2435stx_mask ()
2436 PROTOTYPE:
2437 ALIAS:
2438 stx_mask = STATX_OFFSET_mask
2439 stx_blksize = STATX_OFFSET_blksize
2440 stx_nlink = STATX_OFFSET_nlink
2441 stx_uid = STATX_OFFSET_uid
2442 stx_gid = STATX_OFFSET_gid
2443 stx_rdev_major = STATX_OFFSET_rdev_major
2444 stx_rdev_minor = STATX_OFFSET_rdev_minor
2445 stx_dev_major = STATX_OFFSET_dev_major
2446 stx_dev_minor = STATX_OFFSET_dev_minor
2447 CODE:
2448#if HAVE_STATX
2449 RETVAL = *(__u32 *)((char *)&stx + ix);
2450#else
2451 XSRETURN_UNDEF;
2452#endif
2453 OUTPUT:
2454 RETVAL
2455
2456VAL64
2457stx_attributes ()
2458 PROTOTYPE:
2459 ALIAS:
2460 stx_attributes = STATX_OFFSET_attributes
2461 stx_ino = STATX_OFFSET_ino
2462 stx_size = STATX_OFFSET_size
2463 stx_blocks = STATX_OFFSET_blocks
2464 stx_attributes_mask = STATX_OFFSET_attributes_mask
2465 CODE:
2466#if HAVE_STATX
2467 RETVAL = *(__u64 *)((char *)&stx + ix);
2468#else
2469 XSRETURN_UNDEF;
2470#endif
2471 OUTPUT:
2472 RETVAL
2473
2474NV
2475stx_atime ()
2476 PROTOTYPE:
2477 ALIAS:
2478 stx_atime = STATX_OFFSET_atime
2479 stx_btime = STATX_OFFSET_btime
2480 stx_ctime = STATX_OFFSET_ctime
2481 stx_mtime = STATX_OFFSET_mtime
2482 CODE:
2483#if HAVE_STATX
2484 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2485 RETVAL = ts->tv_sec + ts->tv_nsec * 1e-9;
2486#else
2487 XSRETURN_UNDEF;
2488#endif
2489 OUTPUT:
2490 RETVAL
2491
2492VAL64
2493stx_atimesec ()
2494 PROTOTYPE:
2495 ALIAS:
2496 stx_atimesec = STATX_OFFSET_atime
2497 stx_btimesec = STATX_OFFSET_btime
2498 stx_ctimesec = STATX_OFFSET_ctime
2499 stx_mtimesec = STATX_OFFSET_mtime
2500 CODE:
2501#if HAVE_STATX
2502 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2503 RETVAL = ts->tv_sec;
2504#else
2505 XSRETURN_UNDEF;
2506#endif
2507 OUTPUT:
2508 RETVAL
2509
2510U32
2511stx_atimensec ()
2512 PROTOTYPE:
2513 ALIAS:
2514 stx_atimensec = STATX_OFFSET_atime
2515 stx_btimensec = STATX_OFFSET_btime
2516 stx_ctimensec = STATX_OFFSET_ctime
2517 stx_mtimensec = STATX_OFFSET_mtime
2518 CODE:
2519#if HAVE_STATX
2520 struct statx_timestamp *ts = (struct statx_timestamp *)((char *)&stx + ix);
2521 RETVAL = ts->tv_nsec;
2522#else
2523 RETVAL = 0;
2524#endif
2525 OUTPUT:
2526 RETVAL
2527
2528void
2529accept4 (aio_rfd rfh, SV *sockaddr, int salen, int flags)
2530 PPCODE:
2531{
2532 SV *retval;
2533#if HAVE_ACCEPT4
2534 socklen_t salen_ = salen ? salen + 1 : 0;
2535
2536 if (salen)
2537 {
2538 sv_upgrade (sockaddr, SVt_PV);
2539 sv_grow (sockaddr, salen_);
2540 }
2541
2542 int res = accept4 (rfh, salen ? (struct sockaddr *)SvPVX (sockaddr) : 0, salen ? &salen_ : 0, flags);
2543
2544 retval = newmortalFH (res, O_RDWR);
2545
2546 if (res >= 0 && salen > 0)
2547 {
2548 if (salen_ > salen + 1)
2549 salen_ = salen + 1;
2550
2551 SvPOK_only (sockaddr);
2552 SvCUR_set (sockaddr, salen_);
2553 }
2554#else
2555 errno = ENOSYS;
2556 retval = &PL_sv_undef;
2557#endif
2558 XPUSHs (retval);
2559}
2560
2561ssize_t
1798splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags) 2562splice (aio_rfd rfh, SV *off_in, aio_wfd wfh, SV *off_out, size_t length, unsigned int flags)
1799 CODE: 2563 CODE:
1800{ 2564{
1801#if HAVE_LINUX_SPLICE 2565#if HAVE_LINUX_SPLICE
1802 loff_t off_in_, off_out_; 2566 loff_t off_in_, off_out_;
1810#endif 2574#endif
1811} 2575}
1812 OUTPUT: 2576 OUTPUT:
1813 RETVAL 2577 RETVAL
1814 2578
1815int 2579ssize_t
1816tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags) 2580tee (aio_rfd rfh, aio_wfd wfh, size_t length, unsigned int flags)
1817 CODE: 2581 CODE:
1818#if HAVE_LINUX_SPLICE 2582#if HAVE_LINUX_SPLICE
1819 RETVAL = tee (rfh, wfh, length, flags); 2583 RETVAL = tee (rfh, wfh, length, flags);
1820#else 2584#else
1821 RETVAL = EIO_ENOSYS (); 2585 RETVAL = EIO_ENOSYS ();
1822#endif 2586#endif
1823 OUTPUT: 2587 OUTPUT:
1824 RETVAL 2588 RETVAL
2589
2590int
2591pipesize (aio_rfd rfh, int new_size = -1)
2592 PROTOTYPE: $;$
2593 CODE:
2594#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2595 if (new_size >= 0)
2596 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2597 else
2598 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2599#else
2600 errno = ENOSYS;
2601 RETVAL = -1;
2602#endif
2603 OUTPUT:
2604 RETVAL
2605
2606void
2607pipe2 (int flags = 0)
2608 PROTOTYPE: ;$
2609 PPCODE:
2610{
2611 int fd[2];
2612 int res;
2613
2614 if (flags)
2615#if HAVE_PIPE2
2616 res = pipe2 (fd, flags);
2617#else
2618 res = (errno = ENOSYS, -1);
2619#endif
2620 else
2621 res = pipe (fd);
2622
2623 if (!res)
2624 {
2625 EXTEND (SP, 2);
2626 PUSHs (newmortalFH (fd[0], O_RDONLY));
2627 PUSHs (newmortalFH (fd[1], O_WRONLY));
2628 }
2629}
2630
2631void
2632pidfd_open (int pid, unsigned int flags = 0)
2633 PPCODE:
2634{
2635 /*GENDEF0_SYSCALL(pidfd_open,434)*/
2636 int fd = syscall (SYS_pidfd_open, pid, flags);
2637 XPUSHs (newmortalFH (fd, O_RDWR));
2638}
2639
2640int
2641pidfd_send_signal (SV *pidfh, int sig, SV *siginfo = &PL_sv_undef, unsigned int flags = 0)
2642 PPCODE:
2643{
2644 int res;
2645 siginfo_t si = { 0 };
2646
2647 if (SvOK (siginfo))
2648 {
2649 HV *hv;
2650 SV **svp;
2651
2652 if (!SvROK (siginfo) || SvTYPE (SvRV (siginfo)) != SVt_PVHV)
2653 croak ("siginfo argument must be a hashref code, pid, uid and value_int or value_ptr members, caught");
2654
2655 hv = (HV *)SvRV (siginfo);
2656
2657 if ((svp = hv_fetchs (hv, "code" , 0))) si.si_code = SvIV (*svp);
2658 if ((svp = hv_fetchs (hv, "pid" , 0))) si.si_pid = SvIV (*svp);
2659 if ((svp = hv_fetchs (hv, "uid" , 0))) si.si_uid = SvIV (*svp);
2660 if ((svp = hv_fetchs (hv, "value_int", 0))) si.si_value.sival_int = SvIV (*svp);
2661 if ((svp = hv_fetchs (hv, "value_ptr", 0))) si.si_value.sival_ptr = (void *)SvIV (*svp);
2662 }
2663
2664 /*GENDEF0_SYSCALL(pidfd_send_signal,424)*/
2665 res = syscall (SYS_pidfd_send_signal, s_fileno_croak (pidfh, 0), sig, SvOK (siginfo) ? &si : 0, flags);
2666
2667 XPUSHs (sv_2mortal (newSViv (res)));
2668}
2669
2670void
2671pidfd_getfd (SV *pidfh, int targetfd, unsigned int flags = 0)
2672 PPCODE:
2673{
2674 /*GENDEF0_SYSCALL(pidfd_getfd,438)*/
2675 int fd = syscall (SYS_pidfd_getfd, s_fileno_croak (pidfh, 0), targetfd, flags);
2676 XPUSHs (newmortalFH (fd, O_RDWR));
2677}
2678
2679void
2680eventfd (unsigned int initval = 0, int flags = 0)
2681 PPCODE:
2682{
2683 int fd;
2684#if HAVE_EVENTFD
2685 fd = eventfd (initval, flags);
2686#else
2687 fd = (errno = ENOSYS, -1);
2688#endif
2689
2690 XPUSHs (newmortalFH (fd, O_RDWR));
2691}
2692
2693void
2694timerfd_create (int clockid, int flags = 0)
2695 PPCODE:
2696{
2697 int fd;
2698#if HAVE_TIMERFD
2699 fd = timerfd_create (clockid, flags);
2700#else
2701 fd = (errno = ENOSYS, -1);
2702#endif
2703
2704 XPUSHs (newmortalFH (fd, O_RDWR));
2705}
2706
2707void
2708timerfd_settime (SV *fh, int flags, NV interval, NV value)
2709 PPCODE:
2710{
2711 int fd = s_fileno_croak (fh, 0);
2712#if HAVE_TIMERFD
2713 int res;
2714 struct itimerspec its, ots;
2715
2716 ts_set (&its.it_interval, interval);
2717 ts_set (&its.it_value , value);
2718 res = timerfd_settime (fd, flags, &its, &ots);
2719
2720 if (!res)
2721 {
2722 EXTEND (SP, 2);
2723 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2724 PUSHs (newSVnv (ts_get (&ots.it_value)));
2725 }
2726#else
2727 errno = ENOSYS;
2728#endif
2729}
2730
2731void
2732timerfd_gettime (SV *fh)
2733 PPCODE:
2734{
2735 int fd = s_fileno_croak (fh, 0);
2736#if HAVE_TIMERFD
2737 int res;
2738 struct itimerspec ots;
2739 res = timerfd_gettime (fd, &ots);
2740
2741 if (!res)
2742 {
2743 EXTEND (SP, 2);
2744 PUSHs (newSVnv (ts_get (&ots.it_interval)));
2745 PUSHs (newSVnv (ts_get (&ots.it_value)));
2746 }
2747#else
2748 errno = ENOSYS;
2749#endif
2750}
2751
2752void
2753memfd_create (SV8 *pathname, int flags = 0)
2754 PPCODE:
2755{
2756 int fd;
2757#if HAVE_MEMFD_CREATE
2758 fd = memfd_create (SvPVbyte_nolen (pathname), flags);
2759#else
2760 fd = (errno = ENOSYS, -1);
2761#endif
2762
2763 XPUSHs (newmortalFH (fd, O_RDWR));
2764}
2765
2766UV
2767get_fdlimit ()
2768 CODE:
2769#if HAVE_RLIMITS
2770 struct rlimit rl;
2771 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2772 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2773#endif
2774 XSRETURN_UNDEF;
2775 OUTPUT:
2776 RETVAL
2777
2778void
2779min_fdlimit (UV limit = 0x7fffffffU)
2780 CODE:
2781{
2782#if HAVE_RLIMITS
2783 struct rlimit rl;
2784 rlim_t orig_rlim_max;
2785 UV bit;
2786
2787 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2788 goto fail;
2789
2790 if (rl.rlim_cur == RLIM_INFINITY)
2791 XSRETURN_YES;
2792
2793 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2794
2795 if (rl.rlim_cur < limit)
2796 {
2797 rl.rlim_cur = limit;
2798
2799 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2800 rl.rlim_max = rl.rlim_cur;
2801 }
2802
2803 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2804 XSRETURN_YES;
2805
2806 if (errno == EPERM)
2807 {
2808 /* setrlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2809 /* our limit overflows a system-wide limit */
2810 /* try an adaptive algorithm, but do not lower the hardlimit */
2811 rl.rlim_max = 0;
2812 for (bit = 0x40000000U; bit; bit >>= 1)
2813 {
2814 rl.rlim_max |= bit;
2815 rl.rlim_cur = rl.rlim_max;
2816
2817 /* never decrease the hard limit */
2818 if (rl.rlim_max < orig_rlim_max)
2819 break;
2820
2821 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2822 rl.rlim_max &= ~bit; /* too high, remove bit again */
2823 }
2824
2825 /* now, raise the soft limit to the max permitted */
2826 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2827 {
2828 rl.rlim_cur = rl.rlim_max;
2829 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2830 errno = EPERM;
2831 }
2832 }
2833#endif
2834 fail:
2835 XSRETURN_UNDEF;
2836}
1825 2837
1826void _on_next_submit (SV *cb) 2838void _on_next_submit (SV *cb)
1827 CODE: 2839 CODE:
1828 SvREFCNT_dec (on_next_submit); 2840 SvREFCNT_dec (on_next_submit);
1829 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2841 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1864cancel (aio_req_ornot req) 2876cancel (aio_req_ornot req)
1865 CODE: 2877 CODE:
1866 eio_cancel (req); 2878 eio_cancel (req);
1867 2879
1868void 2880void
1869cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2881cb (aio_req_ornot req, SV *callback = NO_INIT)
1870 PPCODE: 2882 PPCODE:
1871{ 2883{
1872 if (GIMME_V != G_VOID) 2884 if (GIMME_V != G_VOID)
1873 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2885 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1874 2886
1875 if (items > 1) 2887 if (items > 1)
1876 { 2888 {
1877 SV *cb_cv =get_cb (callback); 2889 SV *cb_cv = get_cb (callback);
1878 2890
1879 SvREFCNT_dec (req->callback); 2891 SvREFCNT_dec (req->callback);
1880 req->callback = SvREFCNT_inc (cb_cv); 2892 req->callback = SvREFCNT_inc (cb_cv);
1881 } 2893 }
1882} 2894}
1939limit (aio_req grp, int limit) 2951limit (aio_req grp, int limit)
1940 CODE: 2952 CODE:
1941 eio_grp_limit (grp, limit); 2953 eio_grp_limit (grp, limit);
1942 2954
1943void 2955void
1944feed (aio_req grp, SV *callback=&PL_sv_undef) 2956feed (aio_req grp, SV *callback = &PL_sv_undef)
1945 CODE: 2957 CODE:
1946{ 2958{
1947 SvREFCNT_dec (grp->sv2); 2959 SvREFCNT_dec (grp->sv2);
1948 grp->sv2 = newSVsv (callback); 2960 grp->sv2 = newSVsv (callback);
1949 grp->feed = aio_grp_feed; 2961 grp->feed = aio_grp_feed;

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