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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.219 by root, Fri Jul 27 18:43:25 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 < count) 349 if (e->fe_flags & FIEMAP_EXTENT_LAST)
200 /* either autosizing succeeded, 350 goto done;
201 * or the file had no extents
202 * or we luckily had enough space */
203 break;
204 351
205 /* some kernels overwrite fm_length, so just reset everything */ 352 }
206 fiemap->fm_start = req->offs;
207 fiemap->fm_length = req->size;
208 fiemap->fm_flags = req->int2;
209 fiemap->fm_extent_count = 0;
210
211 if (ioctl (req->int1, FS_IOC_FIEMAP, fiemap))
212 return;
213
214 /* to work around a kernel bug, we allocate one more */
215 count = fiemap->fm_mapped_extents + 1;
216
217 free (fiemap);
218 } 353 }
219 354
355done:
220 req->result = 0; 356 req->result = 0;
221 357
222#else 358#else
223 errno = ENOSYS; 359 errno = ENOSYS;
224#endif 360#endif
… …
271} 407}
272 408
273static SV * 409static SV *
274newSVaio_wd (aio_wd wd) 410newSVaio_wd (aio_wd wd)
275{ 411{
276 return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); 412 return sv_bless (newRV_noinc (newSViv ((intptr_t)wd)), aio_wd_stash);
277} 413}
278 414
279static aio_req 415static aio_req
280SvAIO_REQ (SV *sv) 416SvAIO_REQ (SV *sv)
281{ 417{
… …
300 || SvTYPE (SvRV (sv)) != SVt_PVMG 436 || SvTYPE (SvRV (sv)) != SVt_PVMG
301 || SvSTASH (SvRV (sv)) != aio_wd_stash) 437 || SvSTASH (SvRV (sv)) != aio_wd_stash)
302 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");
303 439
304 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;
305} 466}
306 467
307static void 468static void
308aio_grp_feed (aio_req grp) 469aio_grp_feed (aio_req grp)
309{ 470{
… …
437 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))));
438 } 599 }
439 break; 600 break;
440 601
441 case EIO_OPEN: 602 case EIO_OPEN:
442 { 603 PUSHs (newmortalFH (req->result, req->int1 & (O_RDONLY | O_WRONLY | O_RDWR)));
443 /* convert fd to fh */
444 SV *fh = &PL_sv_undef;
445
446 if (req->result >= 0)
447 {
448 GV *gv = (GV *)sv_newmortal ();
449 int flags = req->int1 & (O_RDONLY | O_WRONLY | O_RDWR);
450 char sym [64];
451 int symlen;
452
453 symlen = snprintf (sym, sizeof (sym), "fd#%d", (int)req->result);
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 (int)req->result
462 );
463
464 if (do_open (gv, sym, symlen, 0, 0, 0, 0))
465 fh = (SV *)gv;
466 }
467
468 PUSHs (fh);
469 }
470 break; 604 break;
471 605
472 case EIO_STATVFS: 606 case EIO_STATVFS:
473 case EIO_FSTATVFS: 607 case EIO_FSTATVFS:
474 { 608 {
… …
477#ifndef _WIN32 611#ifndef _WIN32
478 if (req->result >= 0) 612 if (req->result >= 0)
479 { 613 {
480 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 614 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
481 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));
482 621
483 rv = sv_2mortal (newRV_noinc ((SV *)hv)); 622 rv = sv_2mortal (newRV_noinc ((SV *)hv));
484 623
485 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);
486 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);
… …
488 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);
489 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);
490 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);
491 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);
492 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);
493 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (f->f_fsid ), 0); 632 hv_store (hv, "fsid" , sizeof ("fsid" ) - 1, newSVval64 (fsid ), 0);
494 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);
495 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);
496 } 635 }
497#endif 636#endif
498 637
… …
549 SvSETMAGIC (req->sv2); 688 SvSETMAGIC (req->sv2);
550 PUSHs (sv_result); 689 PUSHs (sv_result);
551 } 690 }
552 break; 691 break;
553 692
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
554 case EIO_CUSTOM: 717 case EIO_CUSTOM:
555 if (req->feed == fiemap) 718 if (req->feed == fiemap)
556 { 719 {
557#if HAVE_FIEMAP 720#if HAVE_FIEMAP
558 if (!req->result) 721 if (!req->result)
… …
663{ 826{
664 while (eio_nreqs ()) 827 while (eio_nreqs ())
665 { 828 {
666 int size; 829 int size;
667 830
668 X_LOCK (reslock); 831 X_LOCK (EIO_POOL->reslock);
669 size = res_queue.size; 832 size = EIO_POOL->res_queue.size;
670 X_UNLOCK (reslock); 833 X_UNLOCK (EIO_POOL->reslock);
671 834
672 if (size) 835 if (size)
673 return; 836 return;
674 837
675 etp_maybe_start_thread (); 838 etp_maybe_start_thread (EIO_POOL);
676 839
677 s_epipe_wait (&respipe); 840 s_epipe_wait (&respipe);
678 } 841 }
679} 842}
680 843
… …
701 create_respipe (); 864 create_respipe ();
702 865
703 if (eio_init (want_poll, done_poll) < 0) 866 if (eio_init (want_poll, done_poll) < 0)
704 croak ("IO::AIO: unable to initialise eio library"); 867 croak ("IO::AIO: unable to initialise eio library");
705} 868}
706
707/*****************************************************************************/
708
709#if !_POSIX_MAPPED_FILES
710# define mmap(addr,length,prot,flags,fd,offs) EIO_ENOSYS ()
711# define munmap(addr,length) EIO_ENOSYS ()
712#endif
713
714#if !_POSIX_MEMORY_PROTECTION
715# define mprotect(addr,len,prot) EIO_ENOSYS ()
716# define PROT_NONE 0
717# define PROT_WRITE 0
718# define MAP_PRIVATE 0
719# define MAP_SHARED 0
720# define MAP_FIXED 0
721#endif
722
723#define MMAP_MAGIC PERL_MAGIC_ext
724
725static int ecb_cold
726mmap_free (pTHX_ SV *sv, MAGIC *mg)
727{
728 int old_errno = errno;
729 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
730 errno = old_errno;
731
732 mg->mg_obj = 0; /* just in case */
733
734 SvREADONLY_off (sv);
735
736 if (SvPVX (sv) != mg->mg_ptr)
737 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
738
739 SvCUR_set (sv, 0);
740 SvPVX (sv) = 0;
741 SvOK_off (sv);
742
743 return 0;
744}
745
746static MGVTBL mmap_vtbl = {
747 0, 0, 0, 0, mmap_free
748};
749 869
750/*****************************************************************************/ 870/*****************************************************************************/
751 871
752static SV * 872static SV *
753get_cb (SV *cb_sv) 873get_cb (SV *cb_sv)
… …
865 } *civ, const_iv[] = { 985 } *civ, const_iv[] = {
866# define const_niv(name, value) { # name, (IV) value }, 986# define const_niv(name, value) { # name, (IV) value },
867# define const_iv(name) { # name, (IV) name }, 987# define const_iv(name) { # name, (IV) name },
868# define const_eio(name) { # name, (IV) EIO_ ## name }, 988# define const_eio(name) { # name, (IV) EIO_ ## name },
869 989
870 /* 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 */
871 991 /* the first block can be undef if missing */
872 const_iv (ENOSYS) 992 const_iv (ENOSYS)
873 const_iv (EXDEV) 993 const_iv (EXDEV)
874 const_iv (EBADR) 994 const_iv (EBADR)
875 995
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 */
876 const_iv (O_RDONLY) 1014 const_iv (O_RDONLY)
877 const_iv (O_WRONLY) 1015 const_iv (O_WRONLY)
878 const_iv (O_RDWR) 1016 const_iv (O_RDWR)
879 const_iv (O_CREAT) 1017 const_iv (O_CREAT)
880 const_iv (O_TRUNC) 1018 const_iv (O_TRUNC)
… …
893 const_iv (O_SEARCH) 1031 const_iv (O_SEARCH)
894 const_iv (O_DIRECTORY) 1032 const_iv (O_DIRECTORY)
895 const_iv (O_DSYNC) 1033 const_iv (O_DSYNC)
896 const_iv (O_RSYNC) 1034 const_iv (O_RSYNC)
897 const_iv (O_SYNC) 1035 const_iv (O_SYNC)
1036 const_iv (O_PATH)
1037 const_iv (O_TMPFILE)
898 const_iv (O_TTY_INIT) 1038 const_iv (O_TTY_INIT)
899 1039
900 const_iv (S_IFIFO) 1040 const_iv (S_IFIFO)
901 const_iv (S_IFCHR) 1041 const_iv (S_IFCHR)
902 const_iv (S_IFBLK) 1042 const_iv (S_IFBLK)
… …
904 const_iv (S_IFREG) 1044 const_iv (S_IFREG)
905 const_iv (S_IFDIR) 1045 const_iv (S_IFDIR)
906 const_iv (S_IFWHT) 1046 const_iv (S_IFWHT)
907 const_iv (S_IFSOCK) 1047 const_iv (S_IFSOCK)
908 const_iv (S_IFMT) 1048 const_iv (S_IFMT)
909
910 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
911 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
912 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
913 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
914 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
915 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
916
917 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
918 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
919 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
920 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
921 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
922 1049
923 const_iv (ST_RDONLY) 1050 const_iv (ST_RDONLY)
924 const_iv (ST_NOSUID) 1051 const_iv (ST_NOSUID)
925 const_iv (ST_NODEV) 1052 const_iv (ST_NODEV)
926 const_iv (ST_NOEXEC) 1053 const_iv (ST_NOEXEC)
… …
936 const_iv (PROT_NONE) 1063 const_iv (PROT_NONE)
937 const_iv (PROT_EXEC) 1064 const_iv (PROT_EXEC)
938 const_iv (PROT_READ) 1065 const_iv (PROT_READ)
939 const_iv (PROT_WRITE) 1066 const_iv (PROT_WRITE)
940 1067
941 /*const_iv (MAP_FIXED)*/
942 const_iv (MAP_PRIVATE) 1068 const_iv (MAP_PRIVATE)
943 const_iv (MAP_SHARED) 1069 const_iv (MAP_SHARED)
1070 const_iv (MAP_FIXED)
944 const_iv (MAP_ANONYMOUS) 1071 const_iv (MAP_ANONYMOUS)
945 1072
946 /* linuxish */ 1073 /* linuxish */
947 const_iv (MAP_HUGETLB)
948 const_iv (MAP_LOCKED) 1074 const_iv (MAP_LOCKED)
949 const_iv (MAP_NORESERVE) 1075 const_iv (MAP_NORESERVE)
950 const_iv (MAP_POPULATE) 1076 const_iv (MAP_POPULATE)
951 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)
952 1145
953 const_iv (FIEMAP_FLAG_SYNC) 1146 const_iv (FIEMAP_FLAG_SYNC)
954 const_iv (FIEMAP_FLAG_XATTR) 1147 const_iv (FIEMAP_FLAG_XATTR)
955 const_iv (FIEMAP_FLAGS_COMPAT) 1148 const_iv (FIEMAP_FLAGS_COMPAT)
956 const_iv (FIEMAP_EXTENT_LAST) 1149 const_iv (FIEMAP_EXTENT_LAST)
… …
968 const_iv (SPLICE_F_MOVE) 1161 const_iv (SPLICE_F_MOVE)
969 const_iv (SPLICE_F_NONBLOCK) 1162 const_iv (SPLICE_F_NONBLOCK)
970 const_iv (SPLICE_F_MORE) 1163 const_iv (SPLICE_F_MORE)
971 const_iv (SPLICE_F_GIFT) 1164 const_iv (SPLICE_F_GIFT)
972 1165
973 const_iv (SEEK_DATA) 1166 /* these are libeio constants, and are independent of gendef0 */
974 const_iv (SEEK_HOLE)
975
976 /* libeio constants */
977 const_eio (SEEK_SET) 1167 const_eio (SEEK_SET)
978 const_eio (SEEK_CUR) 1168 const_eio (SEEK_CUR)
979 const_eio (SEEK_END) 1169 const_eio (SEEK_END)
980 1170
981 const_eio (MCL_FUTURE) 1171 const_eio (MCL_FUTURE)
… …
991 const_eio (SYNC_FILE_RANGE_WRITE) 1181 const_eio (SYNC_FILE_RANGE_WRITE)
992 const_eio (SYNC_FILE_RANGE_WAIT_AFTER) 1182 const_eio (SYNC_FILE_RANGE_WAIT_AFTER)
993 1183
994 const_eio (FALLOC_FL_KEEP_SIZE) 1184 const_eio (FALLOC_FL_KEEP_SIZE)
995 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)
996 1194
997 const_eio (READDIR_DENTS) 1195 const_eio (READDIR_DENTS)
998 const_eio (READDIR_DIRS_FIRST) 1196 const_eio (READDIR_DIRS_FIRST)
999 const_eio (READDIR_STAT_ORDER) 1197 const_eio (READDIR_STAT_ORDER)
1000 const_eio (READDIR_FOUND_UNKNOWN) 1198 const_eio (READDIR_FOUND_UNKNOWN)
… …
1068 PROTOTYPE: $ 1266 PROTOTYPE: $
1069 CODE: 1267 CODE:
1070 max_outstanding = maxreqs; 1268 max_outstanding = maxreqs;
1071 1269
1072void 1270void
1073aio_wd (SV8 *pathname, SV *callback=&PL_sv_undef) 1271aio_wd (SV8 *pathname, SV *callback = &PL_sv_undef)
1074 PPCODE: 1272 PPCODE:
1075{ 1273{
1076 dREQ; 1274 dREQ;
1077 1275
1078 req->type = EIO_WD_OPEN; 1276 req->type = EIO_WD_OPEN;
… …
1080 1278
1081 REQ_SEND; 1279 REQ_SEND;
1082} 1280}
1083 1281
1084void 1282void
1085aio_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)
1086 PPCODE: 1284 PPCODE:
1087{ 1285{
1088 dREQ; 1286 dREQ;
1089 1287
1090 req->type = EIO_OPEN; 1288 req->type = EIO_OPEN;
… …
1094 1292
1095 REQ_SEND; 1293 REQ_SEND;
1096} 1294}
1097 1295
1098void 1296void
1099aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 1297aio_fsync (SV *fh, SV *callback = &PL_sv_undef)
1100 ALIAS: 1298 ALIAS:
1101 aio_fsync = EIO_FSYNC 1299 aio_fsync = EIO_FSYNC
1102 aio_fdatasync = EIO_FDATASYNC 1300 aio_fdatasync = EIO_FDATASYNC
1103 aio_syncfs = EIO_SYNCFS 1301 aio_syncfs = EIO_SYNCFS
1104 PPCODE: 1302 PPCODE:
1105{ 1303{
1106 int fd = s_fileno_croak (fh, 0); 1304 int fd = s_fileno_croak (fh, 0);
1107 dREQ; 1305 dREQ;
1108 1306
1109 req->type = ix; 1307 req->type = ix;
1110 req->sv1 = newSVsv (fh); 1308 req->sv1 = newSVsv (fh);
1111 req->int1 = fd; 1309 req->int1 = fd;
1112 1310
1113 REQ_SEND; 1311 REQ_SEND;
1114} 1312}
1115 1313
1116void 1314void
1117aio_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)
1118 PPCODE: 1316 PPCODE:
1119{ 1317{
1120 int fd = s_fileno_croak (fh, 0); 1318 int fd = s_fileno_croak (fh, 0);
1121 dREQ; 1319 dREQ;
1122 1320
1123 req->type = EIO_SYNC_FILE_RANGE; 1321 req->type = EIO_SYNC_FILE_RANGE;
1124 req->sv1 = newSVsv (fh); 1322 req->sv1 = newSVsv (fh);
1125 req->int1 = fd; 1323 req->int1 = fd;
… …
1129 1327
1130 REQ_SEND; 1328 REQ_SEND;
1131} 1329}
1132 1330
1133void 1331void
1134aio_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)
1135 PPCODE: 1333 PPCODE:
1136{ 1334{
1137 int fd = s_fileno_croak (fh, 0); 1335 int fd = s_fileno_croak (fh, 0);
1138 dREQ; 1336 dREQ;
1139 1337
1140 req->type = EIO_FALLOCATE; 1338 req->type = EIO_FALLOCATE;
1141 req->sv1 = newSVsv (fh); 1339 req->sv1 = newSVsv (fh);
1142 req->int1 = fd; 1340 req->int1 = fd;
… …
1146 1344
1147 REQ_SEND; 1345 REQ_SEND;
1148} 1346}
1149 1347
1150void 1348void
1151aio_close (SV *fh, SV *callback=&PL_sv_undef) 1349aio_close (SV *fh, SV *callback = &PL_sv_undef)
1152 PPCODE: 1350 PPCODE:
1153{ 1351{
1154 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 */
1155 int fd = s_fileno_croak (fh, 0); 1353 int fd = s_fileno_croak (fh, 0);
1156 dREQ; 1354 dREQ;
1157 1355
1158 if (expect_false (close_fd < 0)) 1356 if (expect_false (close_fd < 0))
1159 { 1357 {
1160 int pipefd [2]; 1358 int pipefd [2];
… …
1180 1378
1181 REQ_SEND; 1379 REQ_SEND;
1182} 1380}
1183 1381
1184void 1382void
1185aio_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)
1186 PPCODE: 1384 PPCODE:
1187{ 1385{
1188 int fd = s_fileno_croak (fh, 0); 1386 int fd = s_fileno_croak (fh, 0);
1189 dREQ; 1387 dREQ;
1190 1388
… …
1196 1394
1197 REQ_SEND; 1395 REQ_SEND;
1198} 1396}
1199 1397
1200void 1398void
1201aio_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)
1202 ALIAS: 1400 ALIAS:
1203 aio_read = EIO_READ 1401 aio_read = EIO_READ
1204 aio_write = EIO_WRITE 1402 aio_write = EIO_WRITE
1205 PPCODE: 1403 PPCODE:
1206{ 1404{
… …
1222 len = svlen - dataoffset; 1420 len = svlen - dataoffset;
1223 } 1421 }
1224 else 1422 else
1225 { 1423 {
1226 /* read: check type and grow scalar as necessary */ 1424 /* read: check type and grow scalar as necessary */
1227 SvUPGRADE (data, SVt_PV);
1228 if (SvLEN (data) >= SvCUR (data)) 1425 if (!SvPOK (data) || SvLEN (data) >= SvCUR (data))
1229 svptr = SvGROW (data, len + dataoffset + 1); 1426 svptr = sv_grow (data, len + dataoffset + 1);
1230 else if (SvCUR (data) < len + dataoffset) 1427 else if (SvCUR (data) < len + dataoffset)
1231 croak ("length + dataoffset outside of scalar, and cannot grow"); 1428 croak ("length + dataoffset outside of scalar, and cannot grow");
1232 } 1429 }
1233 1430
1234 { 1431 {
… …
1252 REQ_SEND; 1449 REQ_SEND;
1253 } 1450 }
1254} 1451}
1255 1452
1256void 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
1257aio_readlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1494aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1258 ALIAS: 1495 ALIAS:
1259 aio_readlink = EIO_READLINK 1496 aio_readlink = EIO_READLINK
1260 aio_realpath = EIO_REALPATH 1497 aio_realpath = EIO_REALPATH
1261 PPCODE: 1498 PPCODE:
1262{ 1499{
… …
1267 1504
1268 REQ_SEND; 1505 REQ_SEND;
1269} 1506}
1270 1507
1271void 1508void
1272aio_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)
1273 PPCODE: 1510 PPCODE:
1274{ 1511{
1275 int ifd = s_fileno_croak (in_fh , 0); 1512 int ifd = s_fileno_croak (in_fh , 0);
1276 int ofd = s_fileno_croak (out_fh, 1); 1513 int ofd = s_fileno_croak (out_fh, 1);
1277 dREQ; 1514 dREQ;
1278 1515
1279 req->type = EIO_SENDFILE; 1516 req->type = EIO_SENDFILE;
1280 req->sv1 = newSVsv (out_fh); 1517 req->sv1 = newSVsv (out_fh);
1281 req->int1 = ofd; 1518 req->int1 = ofd;
… …
1286 1523
1287 REQ_SEND; 1524 REQ_SEND;
1288} 1525}
1289 1526
1290void 1527void
1291aio_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)
1292 PPCODE: 1529 PPCODE:
1293{ 1530{
1294 int fd = s_fileno_croak (fh, 0); 1531 int fd = s_fileno_croak (fh, 0);
1295 dREQ; 1532 dREQ;
1296 1533
1297 req->type = EIO_READAHEAD; 1534 req->type = EIO_READAHEAD;
1298 req->sv1 = newSVsv (fh); 1535 req->sv1 = newSVsv (fh);
1299 req->int1 = fd; 1536 req->int1 = fd;
… …
1302 1539
1303 REQ_SEND; 1540 REQ_SEND;
1304} 1541}
1305 1542
1306void 1543void
1307aio_stat (SV8 *fh_or_path, SV *callback=&PL_sv_undef) 1544aio_stat (SV8 *fh_or_path, SV *callback = &PL_sv_undef)
1308 ALIAS: 1545 ALIAS:
1309 aio_stat = EIO_STAT 1546 aio_stat = EIO_STAT
1310 aio_lstat = EIO_LSTAT 1547 aio_lstat = EIO_LSTAT
1311 aio_statvfs = EIO_STATVFS 1548 aio_statvfs = EIO_STATVFS
1312 PPCODE: 1549 PPCODE:
… …
1321UV 1558UV
1322major (UV dev) 1559major (UV dev)
1323 ALIAS: 1560 ALIAS:
1324 minor = 1 1561 minor = 1
1325 CODE: 1562 CODE:
1326 RETVAL = ix ? major (dev) : minor (dev); 1563 RETVAL = ix ? minor (dev) : major (dev);
1327 OUTPUT: 1564 OUTPUT:
1328 RETVAL 1565 RETVAL
1329 1566
1330UV 1567UV
1331makedev (UV maj, UV min) 1568makedev (UV maj, UV min)
… …
1333 RETVAL = makedev (maj, min); 1570 RETVAL = makedev (maj, min);
1334 OUTPUT: 1571 OUTPUT:
1335 RETVAL 1572 RETVAL
1336 1573
1337void 1574void
1338aio_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)
1339 PPCODE: 1576 PPCODE:
1340{ 1577{
1341 dREQ; 1578 dREQ;
1342 1579
1343 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.; 1580 req->nv1 = SvOK (atime) ? SvNV (atime) : -1.;
… …
1346 1583
1347 REQ_SEND; 1584 REQ_SEND;
1348} 1585}
1349 1586
1350void 1587void
1351aio_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)
1352 PPCODE: 1589 PPCODE:
1353{ 1590{
1354 dREQ; 1591 dREQ;
1355 1592
1356 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; 1593 req->offs = SvOK (offset) ? SvVAL64 (offset) : -1;
… …
1358 1595
1359 REQ_SEND; 1596 REQ_SEND;
1360} 1597}
1361 1598
1362void 1599void
1363aio_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)
1364 PPCODE: 1601 PPCODE:
1365{ 1602{
1366 dREQ; 1603 dREQ;
1367 1604
1368 req->int2 = mode; 1605 req->int2 = mode;
… …
1370 1607
1371 REQ_SEND; 1608 REQ_SEND;
1372} 1609}
1373 1610
1374void 1611void
1375aio_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)
1376 PPCODE: 1613 PPCODE:
1377{ 1614{
1378 dREQ; 1615 dREQ;
1379 1616
1380 req->int2 = SvOK (uid) ? SvIV (uid) : -1; 1617 req->int2 = SvOK (uid) ? SvIV (uid) : -1;
… …
1383 1620
1384 REQ_SEND; 1621 REQ_SEND;
1385} 1622}
1386 1623
1387void 1624void
1388aio_readdirx (SV8 *pathname, IV flags, SV *callback=&PL_sv_undef) 1625aio_readdirx (SV8 *pathname, IV flags, SV *callback = &PL_sv_undef)
1389 PPCODE: 1626 PPCODE:
1390{ 1627{
1391 dREQ; 1628 dREQ;
1392 1629
1393 req->type = EIO_READDIR; 1630 req->type = EIO_READDIR;
… …
1400 1637
1401 REQ_SEND; 1638 REQ_SEND;
1402} 1639}
1403 1640
1404void 1641void
1405aio_mkdir (SV8 *pathname, int mode, SV *callback=&PL_sv_undef) 1642aio_mkdir (SV8 *pathname, int mode, SV *callback = &PL_sv_undef)
1406 PPCODE: 1643 PPCODE:
1407{ 1644{
1408 dREQ; 1645 dREQ;
1409 1646
1410 req->type = EIO_MKDIR; 1647 req->type = EIO_MKDIR;
… …
1413 1650
1414 REQ_SEND; 1651 REQ_SEND;
1415} 1652}
1416 1653
1417void 1654void
1418aio_unlink (SV8 *pathname, SV *callback=&PL_sv_undef) 1655aio_unlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1419 ALIAS: 1656 ALIAS:
1420 aio_unlink = EIO_UNLINK 1657 aio_unlink = EIO_UNLINK
1421 aio_rmdir = EIO_RMDIR 1658 aio_rmdir = EIO_RMDIR
1422 aio_readdir = EIO_READDIR 1659 aio_readdir = EIO_READDIR
1423 PPCODE: 1660 PPCODE:
… …
1429 1666
1430 REQ_SEND; 1667 REQ_SEND;
1431} 1668}
1432 1669
1433void 1670void
1434aio_link (SV8 *oldpath, SV8 *newpath, SV *callback=&PL_sv_undef) 1671aio_link (SV8 *oldpath, SV8 *newpath, SV *callback = &PL_sv_undef)
1435 ALIAS: 1672 ALIAS:
1436 aio_link = EIO_LINK 1673 aio_link = EIO_LINK
1437 aio_symlink = EIO_SYMLINK 1674 aio_symlink = EIO_SYMLINK
1438 aio_rename = EIO_RENAME 1675 aio_rename = EIO_RENAME
1439 PPCODE: 1676 PPCODE:
… …
1448 1685
1449 REQ_SEND; 1686 REQ_SEND;
1450} 1687}
1451 1688
1452void 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
1453aio_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)
1454 PPCODE: 1707 PPCODE:
1455{ 1708{
1456 dREQ; 1709 dREQ;
1457 1710
1458 req->type = EIO_MKNOD; 1711 req->type = EIO_MKNOD;
… …
1462 1715
1463 REQ_SEND; 1716 REQ_SEND;
1464} 1717}
1465 1718
1466void 1719void
1467aio_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)
1468 ALIAS: 1721 ALIAS:
1469 aio_mtouch = EIO_MTOUCH 1722 aio_mtouch = EIO_MTOUCH
1470 aio_msync = EIO_MSYNC 1723 aio_msync = EIO_MSYNC
1471 PPCODE: 1724 PPCODE:
1472{ 1725{
1473 STRLEN svlen; 1726 STRLEN svlen;
1474 char *svptr = SvPVbyte (data, svlen); 1727 char *svptr = SvPVbyte (data, svlen);
1475 UV len = SvUV (length); 1728 UV len = SvUV (length);
1729
1730 if (flags < 0)
1731 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1476 1732
1477 if (offset < 0) 1733 if (offset < 0)
1478 offset += svlen; 1734 offset += svlen;
1479 1735
1480 if (offset < 0 || offset > svlen) 1736 if (offset < 0 || offset > svlen)
… …
1495 REQ_SEND; 1751 REQ_SEND;
1496 } 1752 }
1497} 1753}
1498 1754
1499void 1755void
1500aio_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)
1501 PPCODE: 1757 PPCODE:
1502{ 1758{
1503 STRLEN svlen; 1759 STRLEN svlen;
1504 char *svptr = SvPVbyte (data, svlen); 1760 char *svptr = SvPVbyte (data, svlen);
1505 UV len = SvUV (length); 1761 UV len = SvUV (length);
… …
1524 REQ_SEND; 1780 REQ_SEND;
1525 } 1781 }
1526} 1782}
1527 1783
1528void 1784void
1529aio_mlockall (IV flags, SV *callback=&PL_sv_undef) 1785aio_mlockall (IV flags, SV *callback = &PL_sv_undef)
1530 PPCODE: 1786 PPCODE:
1531{ 1787{
1532 dREQ; 1788 dREQ;
1533 1789
1534 req->type = EIO_MLOCKALL; 1790 req->type = EIO_MLOCKALL;
… …
1536 1792
1537 REQ_SEND; 1793 REQ_SEND;
1538} 1794}
1539 1795
1540void 1796void
1541aio_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)
1542 PPCODE: 1798 PPCODE:
1543{ 1799{
1544 int fd = s_fileno_croak (fh, 0); 1800 int fd = s_fileno_croak (fh, 0);
1545 dREQ; 1801 dREQ;
1546 1802
… …
1559 1815
1560 REQ_SEND; 1816 REQ_SEND;
1561} 1817}
1562 1818
1563void 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
1564aio_busy (double delay, SV *callback=&PL_sv_undef) 1858aio_busy (double delay, SV *callback = &PL_sv_undef)
1565 PPCODE: 1859 PPCODE:
1566{ 1860{
1567 dREQ; 1861 dREQ;
1568 1862
1569 req->type = EIO_BUSY; 1863 req->type = EIO_BUSY;
… …
1571 1865
1572 REQ_SEND; 1866 REQ_SEND;
1573} 1867}
1574 1868
1575void 1869void
1576aio_group (SV *callback=&PL_sv_undef) 1870aio_group (SV *callback = &PL_sv_undef)
1577 PPCODE: 1871 PPCODE:
1578{ 1872{
1579 dREQ; 1873 dREQ;
1580 1874
1581 req->type = EIO_GROUP; 1875 req->type = EIO_GROUP;
1582 1876
1877 PUTBACK;
1583 req_submit (req); 1878 req_submit (req);
1879 SPAGAIN;
1880
1584 XPUSHs (req_sv (req, aio_grp_stash)); 1881 XPUSHs (req_sv (req, aio_grp_stash));
1585} 1882}
1586 1883
1587void 1884void
1588aio_nop (SV *callback=&PL_sv_undef) 1885aio_nop (SV *callback = &PL_sv_undef)
1589 ALIAS: 1886 ALIAS:
1590 aio_nop = EIO_NOP 1887 aio_nop = EIO_NOP
1591 aio_sync = EIO_SYNC 1888 aio_sync = EIO_SYNC
1592 PPCODE: 1889 PPCODE:
1593{ 1890{
… …
1597 1894
1598 REQ_SEND; 1895 REQ_SEND;
1599} 1896}
1600 1897
1601int 1898int
1602aioreq_pri (int pri = 0) 1899aioreq_pri (int pri = NO_INIT)
1603 CODE: 1900 CODE:
1604 RETVAL = next_pri; 1901 RETVAL = next_pri;
1605 if (items > 0) 1902 if (items > 0)
1606 { 1903 {
1607 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1904 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1697 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1994 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1698 OUTPUT: 1995 OUTPUT:
1699 RETVAL 1996 RETVAL
1700 1997
1701void 1998void
1702mmap (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)
1703 PPCODE: 2000 PPCODE:
1704 sv_unmagic (scalar, MMAP_MAGIC); 2001 sv_clear_foreign (scalar);
1705{ 2002{
1706 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;
1707 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 2004 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1708 if (addr == (void *)-1) 2005 if (addr == (void *)-1)
1709 XSRETURN_NO; 2006 XSRETURN_NO;
1710 2007
1711 sv_force_normal (scalar); 2008 sv_set_foreign (scalar, &mmap_vtbl, addr, length);
1712
1713 /* we store the length in mg_obj, as namlen is I32 :/ */
1714 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1715 ->mg_obj = (SV *)length;
1716
1717 SvUPGRADE (scalar, SVt_PV); /* nop... */
1718 2009
1719 if (!(prot & PROT_WRITE)) 2010 if (!(prot & PROT_WRITE))
1720 SvREADONLY_on (scalar); 2011 SvREADONLY_on (scalar);
1721 2012
1722 if (SvLEN (scalar))
1723 Safefree (SvPVX (scalar));
1724
1725 SvPVX (scalar) = (char *)addr;
1726 SvCUR_set (scalar, length);
1727 SvLEN_set (scalar, 0);
1728 SvPOK_only (scalar);
1729
1730 XSRETURN_YES; 2013 XSRETURN_YES;
1731} 2014}
1732 2015
1733void 2016void
1734munmap (SV *scalar) 2017munmap (SV *scalar)
1735 CODE: 2018 CODE:
1736 sv_unmagic (scalar, MMAP_MAGIC); 2019 sv_clear_foreign (scalar);
1737 2020
1738int 2021int
1739madvise (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)
1740 ALIAS: 2023 ALIAS:
1741 mprotect = 1 2024 mprotect = 1
1742 CODE: 2025 CODE:
1743{ 2026{
1744 STRLEN svlen; 2027 STRLEN svlen;
1745 void *addr = SvPVbyte (scalar, svlen); 2028 void *addr = SvPVbyte (scalar, svlen);
1746 size_t len = SvUV (length); 2029 STRLEN len = SvUV (length);
1747 2030
1748 if (offset < 0) 2031 if (offset < 0)
1749 offset += svlen; 2032 offset += svlen;
1750 2033
1751 if (offset < 0 || offset > svlen) 2034 if (offset < 0 || offset > svlen)
… …
1765} 2048}
1766 OUTPUT: 2049 OUTPUT:
1767 RETVAL 2050 RETVAL
1768 2051
1769int 2052int
1770munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) 2053munlock (SV *scalar, STRLEN offset = 0, SV *length = &PL_sv_undef)
1771 CODE: 2054 CODE:
1772{ 2055{
1773 STRLEN svlen; 2056 STRLEN svlen;
1774 void *addr = SvPVbyte (scalar, svlen); 2057 void *addr = SvPVbyte (scalar, svlen);
1775 size_t len = SvUV (length); 2058 size_t len = SvUV (length);
1776 2059
1777 if (offset < 0) 2060 if (offset < 0)
1778 offset += svlen; 2061 offset += svlen;
1779 2062
… …
1831#else 2114#else
1832 RETVAL = EIO_ENOSYS (); 2115 RETVAL = EIO_ENOSYS ();
1833#endif 2116#endif
1834 OUTPUT: 2117 OUTPUT:
1835 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}
1836 2232
1837void _on_next_submit (SV *cb) 2233void _on_next_submit (SV *cb)
1838 CODE: 2234 CODE:
1839 SvREFCNT_dec (on_next_submit); 2235 SvREFCNT_dec (on_next_submit);
1840 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 2236 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
… …
1875cancel (aio_req_ornot req) 2271cancel (aio_req_ornot req)
1876 CODE: 2272 CODE:
1877 eio_cancel (req); 2273 eio_cancel (req);
1878 2274
1879void 2275void
1880cb (aio_req_ornot req, SV *callback=&PL_sv_undef) 2276cb (aio_req_ornot req, SV *callback = NO_INIT)
1881 PPCODE: 2277 PPCODE:
1882{ 2278{
1883 if (GIMME_V != G_VOID) 2279 if (GIMME_V != G_VOID)
1884 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);
1885 2281
1886 if (items > 1) 2282 if (items > 1)
1887 { 2283 {
1888 SV *cb_cv =get_cb (callback); 2284 SV *cb_cv = get_cb (callback);
1889 2285
1890 SvREFCNT_dec (req->callback); 2286 SvREFCNT_dec (req->callback);
1891 req->callback = SvREFCNT_inc (cb_cv); 2287 req->callback = SvREFCNT_inc (cb_cv);
1892 } 2288 }
1893} 2289}
… …
1950limit (aio_req grp, int limit) 2346limit (aio_req grp, int limit)
1951 CODE: 2347 CODE:
1952 eio_grp_limit (grp, limit); 2348 eio_grp_limit (grp, limit);
1953 2349
1954void 2350void
1955feed (aio_req grp, SV *callback=&PL_sv_undef) 2351feed (aio_req grp, SV *callback = &PL_sv_undef)
1956 CODE: 2352 CODE:
1957{ 2353{
1958 SvREFCNT_dec (grp->sv2); 2354 SvREFCNT_dec (grp->sv2);
1959 grp->sv2 = newSVsv (callback); 2355 grp->sv2 = newSVsv (callback);
1960 grp->feed = aio_grp_feed; 2356 grp->feed = aio_grp_feed;

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