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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.218 by root, Fri Jul 27 17:54:40 2012 UTC vs.
Revision 1.252 by root, Sat Jan 6 02:11:10 2018 UTC

… …
19 19
20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES 20#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24#if __linux__ 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
28 */
29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
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
… …
99#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
100#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
101 106
102/*****************************************************************************/ 107/*****************************************************************************/
103 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
104typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
105typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
106typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
107 119
108static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 120static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
… …
114 STRLEN stroffset; \ 126 STRLEN stroffset; \
115 SV *self; 127 SV *self;
116 128
117#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
118 130
119#include "libeio/config.h"
120#include "libeio/eio.h" 131#include "libeio/eio.h"
121 132
122static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
123#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
124static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
… …
141# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ 152# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
142# endif 153# endif
143#endif 154#endif
144 155
145/* defines all sorts of constants to 0 unless they are already defined */ 156/* defines all sorts of constants to 0 unless they are already defined */
157/* also provides const_iv_ and const_niv_ macros for them */
146#include "def0.h" 158#include "def0.h"
147 159
148#ifndef makedev 160#ifndef makedev
149# define makedev(maj,min) (((maj) << 8) | (min)) 161# define makedev(maj,min) (((maj) << 8) | (min))
150#endif 162#endif
… …
153#endif 165#endif
154#ifndef minor 166#ifndef minor
155# define minor(dev) ((dev) & 0xff) 167# define minor(dev) ((dev) & 0xff)
156#endif 168#endif
157 169
158#ifndef PAGESIZE 170#if PAGESIZE <= 0
159# define PAGESIZE sysconf (_SC_PAGESIZE) 171# define PAGESIZE sysconf (_SC_PAGESIZE)
160#endif 172#endif
173
174/*****************************************************************************/
175
176#if !_POSIX_MAPPED_FILES
177# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
178# define munmap(addr,length) EIO_ENOSYS ()
179#endif
180
181#if !_POSIX_MEMORY_PROTECTION
182# define mprotect(addr,len,prot) EIO_ENOSYS ()
183#endif
184
185#define FOREIGN_MAGIC PERL_MAGIC_ext
186
187static int ecb_cold
188mmap_free (pTHX_ SV *sv, MAGIC *mg)
189{
190 int old_errno = errno;
191 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
192 errno = old_errno;
193
194 mg->mg_obj = 0; /* just in case */
195
196 SvREADONLY_off (sv);
197
198 if (SvPVX (sv) != mg->mg_ptr)
199 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
200
201 SvCUR_set (sv, 0);
202 SvPVX (sv) = 0;
203 SvOK_off (sv);
204
205 return 0;
206}
207
208static MGVTBL mmap_vtbl = {
209 0, 0, 0, 0, mmap_free
210};
211
212static int ecb_cold
213sysfree_free (pTHX_ SV *sv, MAGIC *mg)
214{
215 free (mg->mg_ptr);
216 mg->mg_obj = 0; /* just in case */
217
218 SvREADONLY_off (sv);
219
220 if (SvPVX (sv) != mg->mg_ptr)
221 croak ("ERROR: IO::AIO mapped scalar changed location, detected");
222
223 SvCUR_set (sv, 0);
224 SvPVX (sv) = 0;
225 SvOK_off (sv);
226
227 return 0;
228}
229
230static MGVTBL sysfree_vtbl = {
231 0, 0, 0, 0, sysfree_free
232};
233
234/*****************************************************************************/
235
236/* helper: set scalar to foreign ptr with custom free */
237static void
238sv_set_foreign (SV *sv, const MGVTBL *const vtbl, void *addr, IV length)
239{
240 sv_force_normal (sv);
241
242 /* we store the length in mg_obj, as namlen is I32 :/ */
243 sv_magicext (sv, 0, FOREIGN_MAGIC, vtbl, (char *)addr, 0)
244 ->mg_obj = (SV *)length;
245
246 SvUPGRADE (sv, SVt_PV); /* nop... */
247
248 if (SvLEN (sv))
249 Safefree (SvPVX (sv));
250
251 SvPVX (sv) = (char *)addr;
252 SvCUR_set (sv, length);
253 SvLEN_set (sv, 0);
254 SvPOK_only (sv);
255}
256
257static void
258sv_clear_foreign (SV *sv)
259{
260 /* todo: iterate over magic and only free ours, but of course */
261 /* the perl5porters will call that (correct) behaviour buggy */
262 sv_unmagic (sv, FOREIGN_MAGIC);
263}
161 264
162/*****************************************************************************/ 265/*****************************************************************************/
163 266
164static void 267static void
165fiemap (eio_req *req) 268fiemap (eio_req *req)
166{ 269{
167 req->result = -1; 270 req->result = -1;
168 271
169#if HAVE_FIEMAP 272#if HAVE_FIEMAP
273 /* assume some c99 */
274 struct fiemap *fiemap = 0;
275 size_t end_offset;
170 int count = req->int3; 276 int count = req->int3;
171 277
172 /* heuristic: first try with 72 extents if we don't know how many, */ 278 req->flags |= EIO_FLAG_PTR1_FREE;
173 /* as most files have (hopefully) fewer than this many extents */ 279
174 /* in fact, most should have <= 2, so the 72 below is probably overkill */ 280 /* heuristic: start with 512 bytes (8 extents), and if that isn't enough, */
281 /* increase in 3.5kb steps */
175 if (count < 0) 282 if (count < 0)
176 count = 72; /* for what it's worth, 72 extents fit nicely into 4kb */ 283 count = 8;
284
285 fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
286 errno = ENOMEM;
287 if (!fiemap)
288 return;
289
290 req->ptr1 = fiemap;
291
292 fiemap->fm_start = req->offs;
293 fiemap->fm_length = req->size;
294 fiemap->fm_flags = req->int2;
295 fiemap->fm_extent_count = count;
296
297 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap) < 0)
298 return;
299
300 if (req->int3 >= 0 /* not autosizing */
301 || !fiemap->fm_mapped_extents /* no more extents */
302 || fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST /* hit eof */)
303 goto done;
304
305 /* else we have to loop -
306 * it would be tempting (actually I tried that first) to just query the
307 * number of extents needed, but linux often feels like not returning all
308 * extents, without telling us it left any out. this complicates
309 * this quite a bit.
310 */
311
312 end_offset = fiemap->fm_length + (fiemap->fm_length == FIEMAP_MAX_OFFSET ? 0 : fiemap->fm_start);
177 313
178 for (;;) 314 for (;;)
179 { 315 {
316 /* we go in 54 extent steps - 3kb, in the hope that this fits nicely on the eio stack (normally 16+ kb) */
317 char scratch[3072];
318 struct fiemap *incmap = (struct fiemap *)scratch;
319
320 incmap->fm_start = fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_logical
321 + fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_length;
322 incmap->fm_length = fiemap->fm_length - (incmap->fm_start - fiemap->fm_start);
323 incmap->fm_flags = fiemap->fm_flags;
324 incmap->fm_extent_count = (sizeof (scratch) - sizeof (struct fiemap)) / sizeof (struct fiemap_extent);
325
326 if (ioctl (req->int1, FS_IOC_FIEMAP, incmap) < 0)
327 return;
328
329 if (!incmap->fm_mapped_extents)
330 goto done;
331
332 count = fiemap->fm_mapped_extents + incmap->fm_mapped_extents;
180 struct fiemap *fiemap = malloc (sizeof (*fiemap) + sizeof (struct fiemap_extent) * count); 333 fiemap = realloc (fiemap, sizeof (*fiemap) + sizeof (struct fiemap_extent) * count);
181 errno = ENOMEM; 334 errno = ENOMEM;
182 if (!fiemap) 335 if (!fiemap)
183 return; 336 return;
184 337
185 req->ptr1 = fiemap; 338 req->ptr1 = fiemap;
186 req->flags |= EIO_FLAG_PTR1_FREE;
187 339
188 fiemap->fm_start = req->offs; 340 for (count = 0; count < incmap->fm_mapped_extents; ++count)
189 fiemap->fm_length = req->size; 341 {
190 fiemap->fm_flags = req->int2; 342 struct fiemap_extent *e = incmap->fm_extents + count;
191 fiemap->fm_extent_count = count;
192 343
193 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap)) 344 if (e->fe_logical + e->fe_length >= end_offset)
194 return; 345 goto done;
195 346
196 if (req->int3 >= 0) 347 fiemap->fm_extents [fiemap->fm_mapped_extents++] = *e;
197 break; /* when not autosizing we are done */
198 348
199 if (!fiemap->fm_mapped_extents) 349 if (e->fe_flags & FIEMAP_EXTENT_LAST)
200 break; /* if file has no segments, we are done */ 350 goto done;
201 351
202 if (fiemap->fm_extents [fiemap->fm_mapped_extents - 1].fe_flags & FIEMAP_EXTENT_LAST) 352 }
203 break; /* autosizing successful, we are done */
204
205 fiemap->fm_flags = req->int2;
206 fiemap->fm_extent_count = 0;
207
208 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
209 return;
210
211 count = fiemap->fm_mapped_extents;
212
213 free (fiemap);
214 } 353 }
215 354
355done:
216 req->result = 0; 356 req->result = 0;
217 357
218#else 358#else
219 errno = ENOSYS; 359 errno = ENOSYS;
220#endif 360#endif
… …
267} 407}
268 408
269static SV * 409static SV *
270newSVaio_wd (aio_wd wd) 410newSVaio_wd (aio_wd wd)
271{ 411{
272 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 412 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
273} 413}
274 414
275static aio_req 415static aio_req
276SvAIO_REQ (SV *sv) 416SvAIO_REQ (SV *sv)
277{ 417{
… …
296 || SvTYPE (SvRV (sv)) != SVt_PVMG 436 || SvTYPE (SvRV (sv)) != SVt_PVMG
297 || SvSTASH (SvRV (sv)) != aio_wd_stash) 437 || SvSTASH (SvRV (sv)) != aio_wd_stash)
298 croak ("IO::AIO: expected a working directory object as returned by aio_wd"); 438 croak ("IO::AIO: expected a working directory object as returned by aio_wd");
299 439
300 return (aio_wd)(long)SvIVX (SvRV (sv)); 440 return (aio_wd)(long)SvIVX (SvRV (sv));
441}
442
443static SV *
444newmortalFH (int fd, int flags)
445{
446 if (fd < 0)
447 return &PL_sv_undef;
448
449 GV *gv = (GV *)sv_newmortal ();
450 char sym[64];
451 int symlen;
452
453 symlen = snprintf (sym, sizeof (sym), "fd#%d", fd);
454 gv_init (gv, aio_stash, sym, symlen, 0);
455
456 symlen = snprintf (
457 sym,
458 sizeof (sym),
459 "%s&=%d",
460 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
461 fd
462 );
463
464 return do_open (gv, sym, symlen, 0, 0, 0, 0)
465 ? (SV *)gv : &PL_sv_undef;
301} 466}
302 467
303static void 468static void
304aio_grp_feed (aio_req grp) 469aio_grp_feed (aio_req grp)
305{ 470{
… …
433 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2)))); 598 XPUSHs (sv_2mortal (newSViv (req->int1 & ~(EIO_READDIR_CUSTOM1 | EIO_READDIR_CUSTOM2))));
434 } 599 }
435 break; 600 break;
436 601
437 case EIO_OPEN: 602 case EIO_OPEN:
438 { 603 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
439 /* convert fd to fh */
440 SV *fh = &PL_sv_undef;
441
442 if (req->result >= 0)
443 {
444 GV *gv = (GV *)sv_newmortal ();
445 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
446 char sym [64];
447 int symlen;
448
449 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
450 gv_init (gv, aio_stash, sym, symlen, 0);
451
452 symlen = snprintf (
453 sym,
454 sizeof (sym),
455 "%s&=%d",
456 flags == O_RDONLY ? "<" : flags == O_WRONLY ? ">" : "+<",
457 (int)req->result
458 );
459
460 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
461 fh = (SV *)gv;
462 }
463
464 PUSHs (fh);
465 }
466 break; 604 break;
467 605
468 case EIO_STATVFS: 606 case EIO_STATVFS:
469 case EIO_FSTATVFS: 607 case EIO_FSTATVFS:
470 { 608 {
… …
473#ifndef _WIN32 611#ifndef _WIN32
474 if (req->result >= 0) 612 if (req->result >= 0)
475 { 613 {
476 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 614 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
477 HV *hv = newHV (); 615 HV *hv = newHV ();
616 /* POSIX requires fsid to be unsigned long, but AIX in its infinite wisdom
617 * chooses to make it a struct.
618 */
619 unsigned long fsid = 0;
620 memcpy (&fsid, &f->f_fsid, sizeof (unsigned long) < sizeof (f->f_fsid) ? sizeof (unsigned long) : sizeof (f->f_fsid));
478 621
479 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 622 rv = sv_2mortal (newRV_noinc ((SV *)hv));
480 623
481 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 624 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
482 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 625 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
… …
484 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 627 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
485 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0); 628 hv_store (hv, "bavail" , sizeof ("bavail" ) - 1, newSVval64 (f->f_bavail ), 0);
486 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0); 629 hv_store (hv, "files" , sizeof ("files" ) - 1, newSVval64 (f->f_files ), 0);
487 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0); 630 hv_store (hv, "ffree" , sizeof ("ffree" ) - 1, newSVval64 (f->f_ffree ), 0);
488 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0); 631 hv_store (hv, "favail" , sizeof ("favail" ) - 1, newSVval64 (f->f_favail ), 0);
489 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 632 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
490 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0); 633 hv_store (hv, "flag" , sizeof ("flag" ) - 1, newSVval64 (f->f_flag ), 0);
491 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0); 634 hv_store (hv, "namemax", sizeof ("namemax") - 1, newSVval64 (f->f_namemax), 0);
492 } 635 }
493#endif 636#endif
494 637
… …
545 SvSETMAGIC (req->sv2); 688 SvSETMAGIC (req->sv2);
546 PUSHs (sv_result); 689 PUSHs (sv_result);
547 } 690 }
548 break; 691 break;
549 692
693 case EIO_SLURP:
694 {
695 if (req->result >= 0)
696 {
697 /* if length was originally not known, we steal the malloc'ed memory */
698 if (req->flags & EIO_FLAG_PTR2_FREE)
699 {
700 req->flags &= ~EIO_FLAG_PTR2_FREE;
701 sv_set_foreign (req->sv2, &sysfree_vtbl, req->ptr2, req->result);
702 }
703 else
704 {
705 SvCUR_set (req->sv2, req->result);
706 *SvEND (req->sv2) = 0;
707 SvPOK_only (req->sv2);
708 }
709
710 SvSETMAGIC (req->sv2);
711 }
712
713 PUSHs (sv_result);
714 }
715 break;
716
550 case EIO_CUSTOM: 717 case EIO_CUSTOM:
551 if (req->feed == fiemap) 718 if (req->feed == fiemap)
552 { 719 {
553#if HAVE_FIEMAP 720#if HAVE_FIEMAP
554 if (!req->result) 721 if (!req->result)
… …
659{ 826{
660 while (eio_nreqs ()) 827 while (eio_nreqs ())
661 { 828 {
662 int size; 829 int size;
663 830
664 X_LOCK (reslock); 831 X_LOCK (EIO_POOL->reslock);
665 size = res_queue.size; 832 size = EIO_POOL->res_queue.size;
666 X_UNLOCK (reslock); 833 X_UNLOCK (EIO_POOL->reslock);
667 834
668 if (size) 835 if (size)
669 return; 836 return;
670 837
671 etp_maybe_start_thread (); 838 etp_maybe_start_thread (EIO_POOL);
672 839
673 s_epipe_wait (&respipe); 840 s_epipe_wait (&respipe);
674 } 841 }
675} 842}
676 843
… …
697 create_respipe (); 864 create_respipe ();
698 865
699 if (eio_init (want_poll, done_poll) < 0) 866 if (eio_init (want_poll, done_poll) < 0)
700 croak ("IO::AIO: unable to initialise eio library"); 867 croak ("IO::AIO: unable to initialise eio library");
701} 868}
702
703/*****************************************************************************/
704
705#if !_POSIX_MAPPED_FILES
706# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
707# define munmap(addr,length) EIO_ENOSYS ()
708#endif
709
710#if !_POSIX_MEMORY_PROTECTION
711# define mprotect(addr,len,prot) EIO_ENOSYS ()
712# define PROT_NONE 0
713# define PROT_WRITE 0
714# define MAP_PRIVATE 0
715# define MAP_SHARED 0
716# define MAP_FIXED 0
717#endif
718
719#define MMAP_MAGIC PERL_MAGIC_ext
720
721static int ecb_cold
722mmap_free (pTHX_ SV *sv, MAGIC *mg)
723{
724 int old_errno = errno;
725 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
726 errno = old_errno;
727
728 mg->mg_obj = 0; /* just in case */
729
730 SvREADONLY_off (sv);
731
732 if (SvPVX (sv) != mg->mg_ptr)
733 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
734
735 SvCUR_set (sv, 0);
736 SvPVX (sv) = 0;
737 SvOK_off (sv);
738
739 return 0;
740}
741
742static MGVTBL mmap_vtbl = {
743 0, 0, 0, 0, mmap_free
744};
745 869
746/*****************************************************************************/ 870/*****************************************************************************/
747 871
748static SV * 872static SV *
749get_cb (SV *cb_sv) 873get_cb (SV *cb_sv)
… …
861 } *civ, const_iv[] = { 985 } *civ, const_iv[] = {
862# define const_niv(name, value) { # name, (IV) value }, 986# define const_niv(name, value) { # name, (IV) value },
863# define const_iv(name) { # name, (IV) name }, 987# define const_iv(name) { # name, (IV) name },
864# define const_eio(name) { # name, (IV) EIO_ ## name }, 988# define const_eio(name) { # name, (IV) EIO_ ## name },
865 989
866 /* you have to re-run ./gendef0 after adding/Removing any constants here */ 990 /* you have to re-run ./gendef0 after adding/removing any constants here */
867 991 /* the first block can be undef if missing */
868 const_iv (ENOSYS) 992 const_iv (ENOSYS)
869 const_iv (EXDEV) 993 const_iv (EXDEV)
870 const_iv (EBADR) 994 const_iv (EBADR)
871 995
996 /* for lseek */
997 const_iv (SEEK_DATA)
998 const_iv (SEEK_HOLE)
999
1000 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
1001 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
1002 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
1003 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
1004 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
1005 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
1006
1007 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
1008 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
1009 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
1010 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
1011 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
1012
1013 /* the second block will be 0 when missing */
872 const_iv (O_RDONLY) 1014 const_iv (O_RDONLY)
873 const_iv (O_WRONLY) 1015 const_iv (O_WRONLY)
874 const_iv (O_RDWR) 1016 const_iv (O_RDWR)
875 const_iv (O_CREAT) 1017 const_iv (O_CREAT)
876 const_iv (O_TRUNC) 1018 const_iv (O_TRUNC)
… …
889 const_iv (O_SEARCH) 1031 const_iv (O_SEARCH)
890 const_iv (O_DIRECTORY) 1032 const_iv (O_DIRECTORY)
891 const_iv (O_DSYNC) 1033 const_iv (O_DSYNC)
892 const_iv (O_RSYNC) 1034 const_iv (O_RSYNC)
893 const_iv (O_SYNC) 1035 const_iv (O_SYNC)
1036 const_iv (O_PATH)
1037 const_iv (O_TMPFILE)
894 const_iv (O_TTY_INIT) 1038 const_iv (O_TTY_INIT)
895 1039
896 const_iv (S_IFIFO) 1040 const_iv (S_IFIFO)
897 const_iv (S_IFCHR) 1041 const_iv (S_IFCHR)
898 const_iv (S_IFBLK) 1042 const_iv (S_IFBLK)
… …
900 const_iv (S_IFREG) 1044 const_iv (S_IFREG)
901 const_iv (S_IFDIR) 1045 const_iv (S_IFDIR)
902 const_iv (S_IFWHT) 1046 const_iv (S_IFWHT)
903 const_iv (S_IFSOCK) 1047 const_iv (S_IFSOCK)
904 const_iv (S_IFMT) 1048 const_iv (S_IFMT)
905
906 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
907 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
908 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
909 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
910 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
911 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
912
913 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
914 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
915 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
916 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
917 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
918 1049
919 const_iv (ST_RDONLY) 1050 const_iv (ST_RDONLY)
920 const_iv (ST_NOSUID) 1051 const_iv (ST_NOSUID)
921 const_iv (ST_NODEV) 1052 const_iv (ST_NODEV)
922 const_iv (ST_NOEXEC) 1053 const_iv (ST_NOEXEC)
… …
932 const_iv (PROT_NONE) 1063 const_iv (PROT_NONE)
933 const_iv (PROT_EXEC) 1064 const_iv (PROT_EXEC)
934 const_iv (PROT_READ) 1065 const_iv (PROT_READ)
935 const_iv (PROT_WRITE) 1066 const_iv (PROT_WRITE)
936 1067
937 /*const_iv (MAP_FIXED)*/
938 const_iv (MAP_PRIVATE) 1068 const_iv (MAP_PRIVATE)
939 const_iv (MAP_SHARED) 1069 const_iv (MAP_SHARED)
1070 const_iv (MAP_FIXED)
940 const_iv (MAP_ANONYMOUS) 1071 const_iv (MAP_ANONYMOUS)
941 1072
942 /* linuxish */ 1073 /* linuxish */
943 const_iv (MAP_HUGETLB)
944 const_iv (MAP_LOCKED) 1074 const_iv (MAP_LOCKED)
945 const_iv (MAP_NORESERVE) 1075 const_iv (MAP_NORESERVE)
946 const_iv (MAP_POPULATE) 1076 const_iv (MAP_POPULATE)
947 const_iv (MAP_NONBLOCK) 1077 const_iv (MAP_NONBLOCK)
1078 const_iv (MAP_GROWSDOWN)
1079 const_iv (MAP_32BIT)
1080 const_iv (MAP_HUGETLB)
1081 const_iv (MAP_STACK)
1082
1083 const_iv (F_DUPFD_CLOEXEC)
1084
1085 const_iv (F_OFD_GETLK)
1086 const_iv (F_OFD_SETLK)
1087 const_iv (F_OFD_GETLKW)
1088
1089 const_iv (FIFREEZE)
1090 const_iv (FITHAW)
1091 const_iv (FITRIM)
1092 const_iv (FICLONE)
1093 const_iv (FICLONERANGE)
1094 const_iv (FIDEDUPERANGE)
1095
1096 const_iv (FS_IOC_GETFLAGS)
1097 const_iv (FS_IOC_SETFLAGS)
1098 const_iv (FS_IOC_GETVERSION)
1099 const_iv (FS_IOC_SETVERSION)
1100 const_iv (FS_IOC_FIEMAP)
1101 const_iv (FS_IOC_FSGETXATTR)
1102 const_iv (FS_IOC_FSSETXATTR)
1103 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1104 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1105 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1106
1107 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1108
1109 const_iv (FS_SECRM_FL)
1110 const_iv (FS_UNRM_FL)
1111 const_iv (FS_COMPR_FL)
1112 const_iv (FS_SYNC_FL)
1113 const_iv (FS_IMMUTABLE_FL)
1114 const_iv (FS_APPEND_FL)
1115 const_iv (FS_NODUMP_FL)
1116 const_iv (FS_NOATIME_FL)
1117 const_iv (FS_DIRTY_FL)
1118 const_iv (FS_COMPRBLK_FL)
1119 const_iv (FS_NOCOMP_FL)
1120 const_iv (FS_ENCRYPT_FL)
1121 const_iv (FS_BTREE_FL)
1122 const_iv (FS_INDEX_FL)
1123 const_iv (FS_JOURNAL_DATA_FL)
1124 const_iv (FS_NOTAIL_FL)
1125 const_iv (FS_DIRSYNC_FL)
1126 const_iv (FS_TOPDIR_FL)
1127 const_iv (FS_FL_USER_MODIFIABLE)
1128
1129 const_iv (FS_XFLAG_REALTIME)
1130 const_iv (FS_XFLAG_PREALLOC)
1131 const_iv (FS_XFLAG_IMMUTABLE)
1132 const_iv (FS_XFLAG_APPEND)
1133 const_iv (FS_XFLAG_SYNC)
1134 const_iv (FS_XFLAG_NOATIME)
1135 const_iv (FS_XFLAG_NODUMP)
1136 const_iv (FS_XFLAG_RTINHERIT)
1137 const_iv (FS_XFLAG_PROJINHERIT)
1138 const_iv (FS_XFLAG_NOSYMLINKS)
1139 const_iv (FS_XFLAG_EXTSIZE)
1140 const_iv (FS_XFLAG_EXTSZINHERIT)
1141 const_iv (FS_XFLAG_NODEFRAG)
1142 const_iv (FS_XFLAG_FILESTREAM)
1143 const_iv (FS_XFLAG_DAX)
1144 const_iv (FS_XFLAG_HASATTR)
948 1145
949 const_iv (FIEMAP_FLAG_SYNC) 1146 const_iv (FIEMAP_FLAG_SYNC)
950 const_iv (FIEMAP_FLAG_XATTR) 1147 const_iv (FIEMAP_FLAG_XATTR)
951 const_iv (FIEMAP_FLAGS_COMPAT) 1148 const_iv (FIEMAP_FLAGS_COMPAT)
952 const_iv (FIEMAP_EXTENT_LAST) 1149 const_iv (FIEMAP_EXTENT_LAST)
… …
964 const_iv (SPLICE_F_MOVE) 1161 const_iv (SPLICE_F_MOVE)
965 const_iv (SPLICE_F_NONBLOCK) 1162 const_iv (SPLICE_F_NONBLOCK)
966 const_iv (SPLICE_F_MORE) 1163 const_iv (SPLICE_F_MORE)
967 const_iv (SPLICE_F_GIFT) 1164 const_iv (SPLICE_F_GIFT)
968 1165
969 const_iv (SEEK_DATA) 1166 /* these are libeio constants, and are independent of gendef0 */
970 const_iv (SEEK_HOLE)
971
972 /* libeio constants */
973 const_eio (SEEK_SET) 1167 const_eio (SEEK_SET)
974 const_eio (SEEK_CUR) 1168 const_eio (SEEK_CUR)
975 const_eio (SEEK_END) 1169 const_eio (SEEK_END)
976 1170
977 const_eio (MCL_FUTURE) 1171 const_eio (MCL_FUTURE)
… …
987 const_eio (SYNC_FILE_RANGE_WRITE) 1181 const_eio (SYNC_FILE_RANGE_WRITE)
988 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1182 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
989 1183
990 const_eio (FALLOC_FL_KEEP_SIZE) 1184 const_eio (FALLOC_FL_KEEP_SIZE)
991 const_eio (FALLOC_FL_PUNCH_HOLE) 1185 const_eio (FALLOC_FL_PUNCH_HOLE)
1186 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1187 const_eio (FALLOC_FL_ZERO_RANGE)
1188 const_eio (FALLOC_FL_INSERT_RANGE)
1189 const_eio (FALLOC_FL_UNSHARE_RANGE)
1190
1191 const_eio (RENAME_NOREPLACE)
1192 const_eio (RENAME_EXCHANGE)
1193 const_eio (RENAME_WHITEOUT)
992 1194
993 const_eio (READDIR_DENTS) 1195 const_eio (READDIR_DENTS)
994 const_eio (READDIR_DIRS_FIRST) 1196 const_eio (READDIR_DIRS_FIRST)
995 const_eio (READDIR_STAT_ORDER) 1197 const_eio (READDIR_STAT_ORDER)
996 const_eio (READDIR_FOUND_UNKNOWN) 1198 const_eio (READDIR_FOUND_UNKNOWN)
… …
1064 PROTOTYPE: $ 1266 PROTOTYPE: $
1065 CODE: 1267 CODE:
1066 max_outstanding = maxreqs; 1268 max_outstanding = maxreqs;
1067 1269
1068void 1270void
1069aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1271aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1070 PPCODE: 1272 PPCODE:
1071{ 1273{
1072 dREQ; 1274 dREQ;
1073 1275
1074 req->type = EIO_WD_OPEN; 1276 req->type = EIO_WD_OPEN;
… …
1076 1278
1077 REQ_SEND; 1279 REQ_SEND;
1078} 1280}
1079 1281
1080void 1282void
1081aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 1283aio_open (SV8 *pathname, int flags, int mode, SV *callback = &PL_sv_undef)
1082 PPCODE: 1284 PPCODE:
1083{ 1285{
1084 dREQ; 1286 dREQ;
1085 1287
1086 req->type = EIO_OPEN; 1288 req->type = EIO_OPEN;
… …
1090 1292
1091 REQ_SEND; 1293 REQ_SEND;
1092} 1294}
1093 1295
1094void 1296void
1095aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1297aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1096 ALIAS: 1298 ALIAS:
1097 aio_fsync = EIO_FSYNC 1299 aio_fsync = EIO_FSYNC
1098 aio_fdatasync = EIO_FDATASYNC 1300 aio_fdatasync = EIO_FDATASYNC
1099 aio_syncfs = EIO_SYNCFS 1301 aio_syncfs = EIO_SYNCFS
1100 PPCODE: 1302 PPCODE:
1101{ 1303{
1102 int fd = s_fileno_croak (fh, 0); 1304 int fd = s_fileno_croak (fh, 0);
1103 dREQ; 1305 dREQ;
1104 1306
1105 req->type = ix; 1307 req->type = ix;
1106 req->sv1 = newSVsv (fh); 1308 req->sv1 = newSVsv (fh);
1107 req->int1 = fd; 1309 req->int1 = fd;
1108 1310
1109 REQ_SEND; 1311 REQ_SEND;
1110} 1312}
1111 1313
1112void 1314void
1113aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1315aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback = &PL_sv_undef)
1114 PPCODE: 1316 PPCODE:
1115{ 1317{
1116 int fd = s_fileno_croak (fh, 0); 1318 int fd = s_fileno_croak (fh, 0);
1117 dREQ; 1319 dREQ;
1118 1320
1119 req->type = EIO_SYNC_FILE_RANGE; 1321 req->type = EIO_SYNC_FILE_RANGE;
1120 req->sv1 = newSVsv (fh); 1322 req->sv1 = newSVsv (fh);
1121 req->int1 = fd; 1323 req->int1 = fd;
… …
1125 1327
1126 REQ_SEND; 1328 REQ_SEND;
1127} 1329}
1128 1330
1129void 1331void
1130aio_fallocate (SV *fh, int mode, off_t offset, size_t len, SV *callback=&PL_sv_undef) 1332aio_allocate (SV *fh, int mode, off_t offset, size_t len, SV *callback = &PL_sv_undef)
1131 PPCODE: 1333 PPCODE:
1132{ 1334{
1133 int fd = s_fileno_croak (fh, 0); 1335 int fd = s_fileno_croak (fh, 0);
1134 dREQ; 1336 dREQ;
1135 1337
1136 req->type = EIO_FALLOCATE; 1338 req->type = EIO_FALLOCATE;
1137 req->sv1 = newSVsv (fh); 1339 req->sv1 = newSVsv (fh);
1138 req->int1 = fd; 1340 req->int1 = fd;
… …
1142 1344
1143 REQ_SEND; 1345 REQ_SEND;
1144} 1346}
1145 1347
1146void 1348void
1147aio_close (SV *fh, SV *callback=&PL_sv_undef) 1349aio_close (SV *fh, SV *callback = &PL_sv_undef)
1148 PPCODE: 1350 PPCODE:
1149{ 1351{
1150 static int close_fd = -1; /* dummy fd to close fds via dup2 */ 1352 static int close_fd = -1; /* dummy fd to close fds via dup2 */
1151 int fd = s_fileno_croak (fh, 0); 1353 int fd = s_fileno_croak (fh, 0);
1152 dREQ; 1354 dREQ;
1153 1355
1154 if (expect_false (close_fd < 0)) 1356 if (expect_false (close_fd < 0))
1155 { 1357 {
1156 int pipefd [2]; 1358 int pipefd [2];
… …
1176 1378
1177 REQ_SEND; 1379 REQ_SEND;
1178} 1380}
1179 1381
1180void 1382void
1181aio_seek (SV *fh, SV *offset, int whence, SV *callback=&PL_sv_undef) 1383aio_seek (SV *fh, SV *offset, int whence, SV *callback = &PL_sv_undef)
1182 PPCODE: 1384 PPCODE:
1183{ 1385{
1184 int fd = s_fileno_croak (fh, 0); 1386 int fd = s_fileno_croak (fh, 0);
1185 dREQ; 1387 dREQ;
1186 1388
… …
1192 1394
1193 REQ_SEND; 1395 REQ_SEND;
1194} 1396}
1195 1397
1196void 1398void
1197aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1399aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback = &PL_sv_undef)
1198 ALIAS: 1400 ALIAS:
1199 aio_read = EIO_READ 1401 aio_read = EIO_READ
1200 aio_write = EIO_WRITE 1402 aio_write = EIO_WRITE
1201 PPCODE: 1403 PPCODE:
1202{ 1404{
… …
1218 len = svlen - dataoffset; 1420 len = svlen - dataoffset;
1219 } 1421 }
1220 else 1422 else
1221 { 1423 {
1222 /* read: check type and grow scalar as necessary */ 1424 /* read: check type and grow scalar as necessary */
1223 SvUPGRADE (data, SVt_PV);
1224 if (SvLEN (data) >= SvCUR (data)) 1425 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1225 svptr = SvGROW (data, len + dataoffset + 1); 1426 svptr = sv_grow (data, len + dataoffset + 1);
1226 else if (SvCUR (data) < len + dataoffset) 1427 else if (SvCUR (data) < len + dataoffset)
1227 croak ("length + dataoffset outside of scalar, and cannot grow"); 1428 croak ("length + dataoffset outside of scalar, and cannot grow");
1228 } 1429 }
1229 1430
1230 { 1431 {
… …
1248 REQ_SEND; 1449 REQ_SEND;
1249 } 1450 }
1250} 1451}
1251 1452
1252void 1453void
1454aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1455 ALIAS:
1456 aio_ioctl = EIO_IOCTL
1457 aio_fcntl = EIO_FCNTL
1458 PPCODE:
1459{
1460 int fd = s_fileno_croak (fh, 0);
1461 char *svptr;
1462
1463 if (SvPOK (arg) || !SvNIOK (arg))
1464 {
1465 STRLEN svlen;
1466 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1467#ifdef IOCPARM_LEN
1468 STRLEN need = IOCPARM_LEN (request);
1469#else
1470 STRLEN need = 256;
1471#endif
1472
1473 if (svlen < need)
1474 svptr = SvGROW (arg, need);
1475 }
1476 else
1477 svptr = (char *)SvIV (arg);
1478
1479 {
1480 dREQ;
1481
1482 req->type = ix;
1483 req->sv1 = newSVsv (fh);
1484 req->int1 = fd;
1485 req->int2 = (long)request;
1486 req->sv2 = SvREFCNT_inc (arg);
1487 req->ptr2 = svptr;
1488
1489 REQ_SEND;
1490 }
1491}
1492
1493void
1253aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1494aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1254 ALIAS: 1495 ALIAS:
1255 aio_readlink = EIO_READLINK 1496 aio_readlink = EIO_READLINK
1256 aio_realpath = EIO_REALPATH 1497 aio_realpath = EIO_REALPATH
1257 PPCODE: 1498 PPCODE:
1258{ 1499{
… …
1263 1504
1264 REQ_SEND; 1505 REQ_SEND;
1265} 1506}
1266 1507
1267void 1508void
1268aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1509aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback = &PL_sv_undef)
1269 PPCODE: 1510 PPCODE:
1270{ 1511{
1271 int ifd = s_fileno_croak (in_fh , 0); 1512 int ifd = s_fileno_croak (in_fh , 0);
1272 int ofd = s_fileno_croak (out_fh, 1); 1513 int ofd = s_fileno_croak (out_fh, 1);
1273 dREQ; 1514 dREQ;
1274 1515
1275 req->type = EIO_SENDFILE; 1516 req->type = EIO_SENDFILE;
1276 req->sv1 = newSVsv (out_fh); 1517 req->sv1 = newSVsv (out_fh);
1277 req->int1 = ofd; 1518 req->int1 = ofd;
… …
1282 1523
1283 REQ_SEND; 1524 REQ_SEND;
1284} 1525}
1285 1526
1286void 1527void
1287aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1528aio_readahead (SV *fh, off_t offset, size_t length, SV *callback = &PL_sv_undef)
1288 PPCODE: 1529 PPCODE:
1289{ 1530{
1290 int fd = s_fileno_croak (fh, 0); 1531 int fd = s_fileno_croak (fh, 0);
1291 dREQ; 1532 dREQ;
1292 1533
1293 req->type = EIO_READAHEAD; 1534 req->type = EIO_READAHEAD;
1294 req->sv1 = newSVsv (fh); 1535 req->sv1 = newSVsv (fh);
1295 req->int1 = fd; 1536 req->int1 = fd;
… …
1298 1539
1299 REQ_SEND; 1540 REQ_SEND;
1300} 1541}
1301 1542
1302void 1543void
1303aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1544aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1304 ALIAS: 1545 ALIAS:
1305 aio_stat = EIO_STAT 1546 aio_stat = EIO_STAT
1306 aio_lstat = EIO_LSTAT 1547 aio_lstat = EIO_LSTAT
1307 aio_statvfs = EIO_STATVFS 1548 aio_statvfs = EIO_STATVFS
1308 PPCODE: 1549 PPCODE:
… …
1317UV 1558UV
1318major (UV dev) 1559major (UV dev)
1319 ALIAS: 1560 ALIAS:
1320 minor = 1 1561 minor = 1
1321 CODE: 1562 CODE:
1322 RETVAL = ix ? major (dev) : minor (dev); 1563 RETVAL = ix ? minor (dev) : major (dev);
1323 OUTPUT: 1564 OUTPUT:
1324 RETVAL 1565 RETVAL
1325 1566
1326UV 1567UV
1327makedev (UV maj, UV min) 1568makedev (UV maj, UV min)
… …
1329 RETVAL = makedev (maj, min); 1570 RETVAL = makedev (maj, min);
1330 OUTPUT: 1571 OUTPUT:
1331 RETVAL 1572 RETVAL
1332 1573
1333void 1574void
1334aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1575aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback = &PL_sv_undef)
1335 PPCODE: 1576 PPCODE:
1336{ 1577{
1337 dREQ; 1578 dREQ;
1338 1579
1339 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1580 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1342 1583
1343 REQ_SEND; 1584 REQ_SEND;
1344} 1585}
1345 1586
1346void 1587void
1347aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback=&PL_sv_undef) 1588aio_truncate (SV8 *fh_or_path, SV *offset, SV *callback = &PL_sv_undef)
1348 PPCODE: 1589 PPCODE:
1349{ 1590{
1350 dREQ; 1591 dREQ;
1351 1592
1352 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1593 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1354 1595
1355 REQ_SEND; 1596 REQ_SEND;
1356} 1597}
1357 1598
1358void 1599void
1359aio_chmod (SV8 *fh_or_path, int mode, SV *callback=&PL_sv_undef) 1600aio_chmod (SV8 *fh_or_path, int mode, SV *callback = &PL_sv_undef)
1360 PPCODE: 1601 PPCODE:
1361{ 1602{
1362 dREQ; 1603 dREQ;
1363 1604
1364 req->int2 = mode; 1605 req->int2 = mode;
… …
1366 1607
1367 REQ_SEND; 1608 REQ_SEND;
1368} 1609}
1369 1610
1370void 1611void
1371aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback=&PL_sv_undef) 1612aio_chown (SV8 *fh_or_path, SV *uid, SV *gid, SV *callback = &PL_sv_undef)
1372 PPCODE: 1613 PPCODE:
1373{ 1614{
1374 dREQ; 1615 dREQ;
1375 1616
1376 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1617 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1379 1620
1380 REQ_SEND; 1621 REQ_SEND;
1381} 1622}
1382 1623
1383void 1624void
1384aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1625aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1385 PPCODE: 1626 PPCODE:
1386{ 1627{
1387 dREQ; 1628 dREQ;
1388 1629
1389 req->type = EIO_READDIR; 1630 req->type = EIO_READDIR;
… …
1396 1637
1397 REQ_SEND; 1638 REQ_SEND;
1398} 1639}
1399 1640
1400void 1641void
1401aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1642aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1402 PPCODE: 1643 PPCODE:
1403{ 1644{
1404 dREQ; 1645 dREQ;
1405 1646
1406 req->type = EIO_MKDIR; 1647 req->type = EIO_MKDIR;
… …
1409 1650
1410 REQ_SEND; 1651 REQ_SEND;
1411} 1652}
1412 1653
1413void 1654void
1414aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1655aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1415 ALIAS: 1656 ALIAS:
1416 aio_unlink = EIO_UNLINK 1657 aio_unlink = EIO_UNLINK
1417 aio_rmdir = EIO_RMDIR 1658 aio_rmdir = EIO_RMDIR
1418 aio_readdir = EIO_READDIR 1659 aio_readdir = EIO_READDIR
1419 PPCODE: 1660 PPCODE:
… …
1425 1666
1426 REQ_SEND; 1667 REQ_SEND;
1427} 1668}
1428 1669
1429void 1670void
1430aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1671aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1431 ALIAS: 1672 ALIAS:
1432 aio_link = EIO_LINK 1673 aio_link = EIO_LINK
1433 aio_symlink = EIO_SYMLINK 1674 aio_symlink = EIO_SYMLINK
1434 aio_rename = EIO_RENAME 1675 aio_rename = EIO_RENAME
1435 PPCODE: 1676 PPCODE:
… …
1444 1685
1445 REQ_SEND; 1686 REQ_SEND;
1446} 1687}
1447 1688
1448void 1689void
1690aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1691 PPCODE:
1692{
1693 eio_wd wd2 = 0;
1694 dREQ;
1695
1696 req->type = EIO_RENAME;
1697 req_set_path1 (req, oldpath);
1698 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1699 req->int2 = flags;
1700 req->int3 = (long)wd2;
1701
1702 REQ_SEND;
1703}
1704
1705void
1449aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback=&PL_sv_undef) 1706aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1450 PPCODE: 1707 PPCODE:
1451{ 1708{
1452 dREQ; 1709 dREQ;
1453 1710
1454 req->type = EIO_MKNOD; 1711 req->type = EIO_MKNOD;
… …
1458 1715
1459 REQ_SEND; 1716 REQ_SEND;
1460} 1717}
1461 1718
1462void 1719void
1463aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1720aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1464 ALIAS: 1721 ALIAS:
1465 aio_mtouch = EIO_MTOUCH 1722 aio_mtouch = EIO_MTOUCH
1466 aio_msync = EIO_MSYNC 1723 aio_msync = EIO_MSYNC
1467 PPCODE: 1724 PPCODE:
1468{ 1725{
1469 STRLEN svlen; 1726 STRLEN svlen;
1470 char *svptr = SvPVbyte (data, svlen); 1727 char *svptr = SvPVbyte (data, svlen);
1471 UV len = SvUV (length); 1728 UV len = SvUV (length);
1729
1730 if (flags < 0)
1731 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1472 1732
1473 if (offset < 0) 1733 if (offset < 0)
1474 offset += svlen; 1734 offset += svlen;
1475 1735
1476 if (offset < 0 || offset > svlen) 1736 if (offset < 0 || offset > svlen)
… …
1491 REQ_SEND; 1751 REQ_SEND;
1492 } 1752 }
1493} 1753}
1494 1754
1495void 1755void
1496aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) 1756aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback = &PL_sv_undef)
1497 PPCODE: 1757 PPCODE:
1498{ 1758{
1499 STRLEN svlen; 1759 STRLEN svlen;
1500 char *svptr = SvPVbyte (data, svlen); 1760 char *svptr = SvPVbyte (data, svlen);
1501 UV len = SvUV (length); 1761 UV len = SvUV (length);
… …
1520 REQ_SEND; 1780 REQ_SEND;
1521 } 1781 }
1522} 1782}
1523 1783
1524void 1784void
1525aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1785aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1526 PPCODE: 1786 PPCODE:
1527{ 1787{
1528 dREQ; 1788 dREQ;
1529 1789
1530 req->type = EIO_MLOCKALL; 1790 req->type = EIO_MLOCKALL;
… …
1532 1792
1533 REQ_SEND; 1793 REQ_SEND;
1534} 1794}
1535 1795
1536void 1796void
1537aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback=&PL_sv_undef) 1797aio_fiemap (SV *fh, off_t start, SV *length, U32 flags, SV *count, SV *callback = &PL_sv_undef)
1538 PPCODE: 1798 PPCODE:
1539{ 1799{
1540 int fd = s_fileno_croak (fh, 0); 1800 int fd = s_fileno_croak (fh, 0);
1541 dREQ; 1801 dREQ;
1542 1802
… …
1555 1815
1556 REQ_SEND; 1816 REQ_SEND;
1557} 1817}
1558 1818
1559void 1819void
1820aio_slurp (SV *pathname, off_t offset, UV length, SV8 *data, SV *callback = &PL_sv_undef)
1821 PPCODE:
1822{
1823 char *svptr = 0;
1824
1825 sv_clear_foreign (data);
1826
1827 if (length) /* known length, directly read into scalar */
1828 {
1829 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1830 svptr = sv_grow (data, length + 1);
1831 else if (SvCUR (data) < length)
1832 croak ("length outside of scalar, and cannot grow");
1833 else
1834 svptr = SvPVbyte_nolen (data);
1835 }
1836
1837 {
1838 dREQ;
1839
1840 req->type = EIO_SLURP;
1841 req_set_path1 (req, pathname);
1842 req->offs = offset;
1843 req->size = length;
1844 req->sv2 = SvREFCNT_inc (data);
1845 req->ptr2 = svptr;
1846
1847 if (!SvREADONLY (data))
1848 {
1849 SvREADONLY_on (data);
1850 req->flags |= FLAG_SV2_RO_OFF;
1851 }
1852
1853 REQ_SEND;
1854 }
1855}
1856
1857void
1560aio_busy (double delay, SV *callback=&PL_sv_undef) 1858aio_busy (double delay, SV *callback = &PL_sv_undef)
1561 PPCODE: 1859 PPCODE:
1562{ 1860{
1563 dREQ; 1861 dREQ;
1564 1862
1565 req->type = EIO_BUSY; 1863 req->type = EIO_BUSY;
… …
1567 1865
1568 REQ_SEND; 1866 REQ_SEND;
1569} 1867}
1570 1868
1571void 1869void
1572aio_group (SV *callback=&PL_sv_undef) 1870aio_group (SV *callback = &PL_sv_undef)
1573 PPCODE: 1871 PPCODE:
1574{ 1872{
1575 dREQ; 1873 dREQ;
1576 1874
1577 req->type = EIO_GROUP; 1875 req->type = EIO_GROUP;
1578 1876
1877 PUTBACK;
1579 req_submit (req); 1878 req_submit (req);
1879 SPAGAIN;
1880
1580 XPUSHs (req_sv (req, aio_grp_stash)); 1881 XPUSHs (req_sv (req, aio_grp_stash));
1581} 1882}
1582 1883
1583void 1884void
1584aio_nop (SV *callback=&PL_sv_undef) 1885aio_nop (SV *callback = &PL_sv_undef)
1585 ALIAS: 1886 ALIAS:
1586 aio_nop = EIO_NOP 1887 aio_nop = EIO_NOP
1587 aio_sync = EIO_SYNC 1888 aio_sync = EIO_SYNC
1588 PPCODE: 1889 PPCODE:
1589{ 1890{
… …
1593 1894
1594 REQ_SEND; 1895 REQ_SEND;
1595} 1896}
1596 1897
1597int 1898int
1598aioreq_pri (int pri = 0) 1899aioreq_pri (int pri = NO_INIT)
1599 CODE: 1900 CODE:
1600 RETVAL = next_pri; 1901 RETVAL = next_pri;
1601 if (items > 0) 1902 if (items > 0)
1602 { 1903 {
1603 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1904 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1693 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1994 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1694 OUTPUT: 1995 OUTPUT:
1695 RETVAL 1996 RETVAL
1696 1997
1697void 1998void
1698mmap (SV *scalar, size_t length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0) 1999mmap (SV *scalar, STRLEN length, int prot, int flags, SV *fh = &PL_sv_undef, off_t offset = 0)
1699 PPCODE: 2000 PPCODE:
1700 sv_unmagic (scalar, MMAP_MAGIC); 2001 sv_clear_foreign (scalar);
1701{ 2002{
1702 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 2003 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1703 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2004 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1704 if (addr == (void *)-1) 2005 if (addr == (void *)-1)
1705 XSRETURN_NO; 2006 XSRETURN_NO;
1706 2007
1707 sv_force_normal (scalar); 2008 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1708
1709 /* we store the length in mg_obj, as namlen is I32 :/ */
1710 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1711 ->mg_obj = (SV *)length;
1712
1713 SvUPGRADE (scalar, SVt_PV); /* nop... */
1714 2009
1715 if (!(prot & PROT_WRITE)) 2010 if (!(prot & PROT_WRITE))
1716 SvREADONLY_on (scalar); 2011 SvREADONLY_on (scalar);
1717 2012
1718 if (SvLEN (scalar))
1719 Safefree (SvPVX (scalar));
1720
1721 SvPVX (scalar) = (char *)addr;
1722 SvCUR_set (scalar, length);
1723 SvLEN_set (scalar, 0);
1724 SvPOK_only (scalar);
1725
1726 XSRETURN_YES; 2013 XSRETURN_YES;
1727} 2014}
1728 2015
1729void 2016void
1730munmap (SV *scalar) 2017munmap (SV *scalar)
1731 CODE: 2018 CODE:
1732 sv_unmagic (scalar, MMAP_MAGIC); 2019 sv_clear_foreign (scalar);
1733 2020
1734int 2021int
1735madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) 2022madvise (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1736 ALIAS: 2023 ALIAS:
1737 mprotect = 1 2024 mprotect = 1
1738 CODE: 2025 CODE:
1739{ 2026{
1740 STRLEN svlen; 2027 STRLEN svlen;
1741 void *addr = SvPVbyte (scalar, svlen); 2028 void *addr = SvPVbyte (scalar, svlen);
1742 size_t len = SvUV (length); 2029 STRLEN len = SvUV (length);
1743 2030
1744 if (offset < 0) 2031 if (offset < 0)
1745 offset += svlen; 2032 offset += svlen;
1746 2033
1747 if (offset < 0 || offset > svlen) 2034 if (offset < 0 || offset > svlen)
… …
1761} 2048}
1762 OUTPUT: 2049 OUTPUT:
1763 RETVAL 2050 RETVAL
1764 2051
1765int 2052int
1766munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1767 CODE: 2054 CODE:
1768{ 2055{
1769 STRLEN svlen; 2056 STRLEN svlen;
1770 void *addr = SvPVbyte (scalar, svlen); 2057 void *addr = SvPVbyte (scalar, svlen);
1771 size_t len = SvUV (length); 2058 size_t len = SvUV (length);
1772 2059
1773 if (offset < 0) 2060 if (offset < 0)
1774 offset += svlen; 2061 offset += svlen;
1775 2062
… …
1827#else 2114#else
1828 RETVAL = EIO_ENOSYS (); 2115 RETVAL = EIO_ENOSYS ();
1829#endif 2116#endif
1830 OUTPUT: 2117 OUTPUT:
1831 RETVAL 2118 RETVAL
2119
2120int
2121pipesize (aio_rfd rfh, int new_size = -1)
2122 PROTOTYPE: $;$
2123 CODE:
2124#if defined(F_SETPIPE_SZ) && defined(F_GETPIPE_SZ)
2125 if (new_size >= 0)
2126 RETVAL = fcntl (rfh, F_SETPIPE_SZ, new_size);
2127 else
2128 RETVAL = fcntl (rfh, F_GETPIPE_SZ);
2129#else
2130 errno = ENOSYS;
2131 RETVAL = -1;
2132#endif
2133 OUTPUT:
2134 RETVAL
2135
2136void
2137pipe2 (int flags = 0)
2138 PROTOTYPE: ;$
2139 PPCODE:
2140{
2141 int fd[2];
2142 int res;
2143
2144 if (flags)
2145#if HAVE_PIPE2
2146 res = pipe2 (fd, flags);
2147#else
2148 res = (errno = ENOSYS, -1);
2149#endif
2150 else
2151 res = pipe (fd);
2152
2153 if (!res)
2154 {
2155 EXTEND (SP, 2);
2156 PUSHs (newmortalFH (fd[0], O_RDONLY));
2157 PUSHs (newmortalFH (fd[1], O_WRONLY));
2158 }
2159}
2160
2161UV
2162get_fdlimit ()
2163 CODE:
2164#if HAVE_RLIMITS
2165 struct rlimit rl;
2166 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2167 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2168#endif
2169 XSRETURN_UNDEF;
2170 OUTPUT:
2171 RETVAL
2172
2173void
2174min_fdlimit (UV limit = 0x7fffffffU)
2175 CODE:
2176{
2177#if HAVE_RLIMITS
2178 struct rlimit rl;
2179 rlim_t orig_rlim_max;
2180 UV bit;
2181
2182 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2183 goto fail;
2184
2185 if (rl.rlim_cur == RLIM_INFINITY)
2186 XSRETURN_YES;
2187
2188 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2189
2190 if (rl.rlim_cur < limit)
2191 {
2192 rl.rlim_cur = limit;
2193
2194 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2195 rl.rlim_max = rl.rlim_cur;
2196 }
2197
2198 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2199 XSRETURN_YES;
2200
2201 if (errno == EPERM)
2202 {
2203 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2204 /* our limit overflows a system-wide limit */
2205 /* try an adaptive algorithm, but do not lower the hardlimit */
2206 rl.rlim_max = 0;
2207 for (bit = 0x40000000U; bit; bit >>= 1)
2208 {
2209 rl.rlim_max |= bit;
2210 rl.rlim_cur = rl.rlim_max;
2211
2212 /* nevr decrease the hard limit */
2213 if (rl.rlim_max < orig_rlim_max)
2214 break;
2215
2216 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2217 rl.rlim_max &= ~bit; /* too high, remove bit again */
2218 }
2219
2220 /* now, raise the soft limit to the max permitted */
2221 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2222 {
2223 rl.rlim_cur = rl.rlim_max;
2224 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2225 errno = EPERM;
2226 }
2227 }
2228#endif
2229 fail:
2230 XSRETURN_UNDEF;
2231}
1832 2232
1833void _on_next_submit (SV *cb) 2233void _on_next_submit (SV *cb)
1834 CODE: 2234 CODE:
1835 SvREFCNT_dec (on_next_submit); 2235 SvREFCNT_dec (on_next_submit);
1836 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2236 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1871cancel (aio_req_ornot req) 2271cancel (aio_req_ornot req)
1872 CODE: 2272 CODE:
1873 eio_cancel (req); 2273 eio_cancel (req);
1874 2274
1875void 2275void
1876cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2276cb (aio_req_ornot req, SV *callback = NO_INIT)
1877 PPCODE: 2277 PPCODE:
1878{ 2278{
1879 if (GIMME_V != G_VOID) 2279 if (GIMME_V != G_VOID)
1880 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); 2280 XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef);
1881 2281
1882 if (items > 1) 2282 if (items > 1)
1883 { 2283 {
1884 SV *cb_cv =get_cb (callback); 2284 SV *cb_cv = get_cb (callback);
1885 2285
1886 SvREFCNT_dec (req->callback); 2286 SvREFCNT_dec (req->callback);
1887 req->callback = SvREFCNT_inc (cb_cv); 2287 req->callback = SvREFCNT_inc (cb_cv);
1888 } 2288 }
1889} 2289}
… …
1946limit (aio_req grp, int limit) 2346limit (aio_req grp, int limit)
1947 CODE: 2347 CODE:
1948 eio_grp_limit (grp, limit); 2348 eio_grp_limit (grp, limit);
1949 2349
1950void 2350void
1951feed (aio_req grp, SV *callback=&PL_sv_undef) 2351feed (aio_req grp, SV *callback = &PL_sv_undef)
1952 CODE: 2352 CODE:
1953{ 2353{
1954 SvREFCNT_dec (grp->sv2); 2354 SvREFCNT_dec (grp->sv2);
1955 grp->sv2 = newSVsv (callback); 2355 grp->sv2 = newSVsv (callback);
1956 grp->feed = aio_grp_feed; 2356 grp->feed = aio_grp_feed;

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