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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.160 by root, Thu Jan 7 18:25:51 2010 UTC vs.
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC

… …
15#include <sys/stat.h> 15#include <sys/stat.h>
16#include <sys/statvfs.h> 16#include <sys/statvfs.h>
17#include <limits.h> 17#include <limits.h>
18#include <fcntl.h> 18#include <fcntl.h>
19#include <sched.h> 19#include <sched.h>
20
21#if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES
22# include <sys/mman.h>
23#endif
20 24
21/* perl namespace pollution */ 25/* perl namespace pollution */
22#undef VERSION 26#undef VERSION
23 27
24#ifdef _WIN32 28#ifdef _WIN32
… …
120 124
121#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1 127# define NO_FADVISE 1
124#endif 128#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
128#endif 131#endif
129
130#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0 133# define POSIX_FADV_RANDOM 0
132#endif 134#endif
133
134#ifndef POSIX_FADV_NOREUSE 135#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0 136# define POSIX_FADV_NOREUSE 0
136#endif 137#endif
137
138#ifndef POSIX_FADV_WILLNEED 138#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0 139# define POSIX_FADV_WILLNEED 0
140#endif 140#endif
141
142#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
144#endif 143#endif
145 144
146#ifndef ST_NODEV 145#ifndef ST_NODEV
147# define ST_NODEV 0 146# define ST_NODEV 0
148#endif 147#endif
149
150#ifndef ST_NOEXEC 148#ifndef ST_NOEXEC
151# define ST_NOEXEC 0 149# define ST_NOEXEC 0
152#endif 150#endif
153
154#ifndef ST_SYNCHRONOUS 151#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0 152# define ST_SYNCHRONOUS 0
156#endif 153#endif
157
158#ifndef ST_MANDLOCK 154#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0 155# define ST_MANDLOCK 0
160#endif 156#endif
161
162#ifndef ST_WRITE 157#ifndef ST_WRITE
163# define ST_WRITE 0 158# define ST_WRITE 0
164#endif 159#endif
165
166#ifndef ST_APPEND 160#ifndef ST_APPEND
167# define ST_APPEND 0 161# define ST_APPEND 0
168#endif 162#endif
169
170#ifndef ST_IMMUTABLE 163#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0 164# define ST_IMMUTABLE 0
172#endif 165#endif
173
174#ifndef ST_NOATIME 166#ifndef ST_NOATIME
175# define ST_NOATIME 0 167# define ST_NOATIME 0
176#endif 168#endif
177
178#ifndef ST_NODIRATIME 169#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0 170# define ST_NODIRATIME 0
180#endif 171#endif
181
182#ifndef ST_RELATIME 172#ifndef ST_RELATIME
183# define ST_RELATIME 0 173# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif
182
183#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON
186# else
187# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
188# endif
189#endif
190#ifndef MAP_HUGETLB
191# define MAP_HUGETLB 0
192#endif
193#ifndef MAP_LOCKED
194# define MAP_LOCKED 0
195#endif
196#ifndef MAP_NORESERVE
197# define MAP_NORESERVE 0
198#endif
199#ifndef MAP_POPULATE
200# define MAP_POPULATE 0
201#endif
202#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0
204#endif
205
206#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 208#endif
185 209
186static int req_invoke (eio_req *req); 210static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 211#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 212static void req_destroy (eio_req *grp);
… …
557 581
558static void atfork_child (void) 582static void atfork_child (void)
559{ 583{
560 create_respipe (); 584 create_respipe ();
561} 585}
586
587/*****************************************************************************/
588
589#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif
593
594#define MMAP_MAGIC PERL_MAGIC_ext
595
596static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{
599 int old_errno = errno;
600 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
601 errno = old_errno;
602
603 mg->mg_obj = 0; /* just in case */
604
605 SvREADONLY_off (sv);
606 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0;
609 SvOK_off (sv);
610
611 return 0;
612}
613
614static MGVTBL mmap_vtbl = {
615 0, 0, 0, 0, mmap_free
616};
617
618/*****************************************************************************/
562 619
563static SV * 620static SV *
564get_cb (SV *cb_sv) 621get_cb (SV *cb_sv)
565{ 622{
566 SvGETMAGIC (cb_sv); 623 SvGETMAGIC (cb_sv);
… …
598{ 655{
599 static const struct { 656 static const struct {
600 const char *name; 657 const char *name;
601 IV iv; 658 IV iv;
602 } *civ, const_iv[] = { 659 } *civ, const_iv[] = {
603# define const_iv(name, value) { # name, (IV) value }, 660# define const_niv(name, value) { # name, (IV) value },
661# define const_iv(name) { # name, (IV) name },
604# define const_eio(name) { # name, (IV) EIO_ ## name }, 662# define const_eio(name) { # name, (IV) EIO_ ## name },
605 const_iv (EXDEV , EXDEV) 663 const_iv (EXDEV)
606 const_iv (ENOSYS , ENOSYS) 664 const_iv (ENOSYS)
607 const_iv (O_RDONLY, O_RDONLY) 665 const_iv (O_RDONLY)
608 const_iv (O_WRONLY, O_WRONLY) 666 const_iv (O_WRONLY)
667 const_iv (O_RDWR)
609 const_iv (O_CREAT , O_CREAT) 668 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 669 const_iv (O_TRUNC)
670 const_iv (O_EXCL)
671 const_iv (O_APPEND)
611#ifndef _WIN32 672#ifndef _WIN32
612 const_iv (S_IFIFO , S_IFIFO) 673 const_iv (S_IFIFO)
613#endif 674#endif
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 675 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 676 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 677 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 678 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 679 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 680 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 681
621 const_iv (ST_RDONLY , ST_RDONLY) 682 const_iv (ST_RDONLY)
622 const_iv (ST_NOSUID , ST_NOSUID) 683 const_iv (ST_NOSUID)
623 const_iv (ST_NODEV , ST_NODEV) 684 const_iv (ST_NODEV)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 685 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 686 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 687 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 688 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 689 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 690 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 691 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 692 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 693 const_iv (ST_RELATIME)
694
695 const_iv (PROT_EXEC)
696 const_iv (PROT_NONE)
697 const_iv (PROT_READ)
698 const_iv (PROT_WRITE)
699
700 /*const_iv (MAP_FIXED)*/
701 const_iv (MAP_PRIVATE)
702 const_iv (MAP_SHARED)
703 const_iv (MAP_ANONYMOUS)
704
705 /* linuxish */
706 const_iv (MAP_HUGETLB)
707 const_iv (MAP_LOCKED)
708 const_iv (MAP_NORESERVE)
709 const_iv (MAP_POPULATE)
710 const_iv (MAP_NONBLOCK)
711
712 const_iv (MCL_FUTURE)
713 const_iv (MCL_CURRENT)
633 714
634 const_eio (MS_ASYNC) 715 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 716 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 717 const_eio (MS_SYNC)
637 718
… …
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 742 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 743 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 744
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 745 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 746 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
747
748 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
666 749
667 create_respipe (); 750 create_respipe ();
668 751
669 if (eio_init (want_poll, done_poll) < 0) 752 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 753 croak ("IO::AIO: unable to initialise eio library");
… …
1260 PROTOTYPE: $$$$ 1343 PROTOTYPE: $$$$
1261 CODE: 1344 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1345#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1346 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else 1347#else
1265 RETVAL = errno = ENOSYS; 1348 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1266#endif 1349#endif
1267 OUTPUT: 1350 OUTPUT:
1268 RETVAL 1351 RETVAL
1269 1352
1270ssize_t 1353ssize_t
… …
1273 CODE: 1356 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1357 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1358 OUTPUT:
1276 RETVAL 1359 RETVAL
1277 1360
1361void
1362mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363 PROTOTYPE: $$$$$;$
1364 PPCODE:
1365 sv_unmagic (scalar, MMAP_MAGIC);
1366{
1367 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369 if (addr == (void *)-1)
1370 XSRETURN_NO;
1371
1372 /* we store the length in mg_obj, as namlen is I32 :/ */
1373 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374 ->mg_obj = (SV *)length;
1375
1376 SvUPGRADE (scalar, SVt_PV); /* nop... */
1377 if (!(prot & PROT_WRITE))
1378 SvREADONLY_on (scalar);
1379
1380 SvPVX (scalar) = (char *)addr;
1381 SvCUR_set (scalar, length);
1382 SvLEN_set (scalar, 0);
1383 SvPOK_only (scalar);
1384
1385 XSRETURN_YES;
1386}
1387
1388void
1389munmap (SV *scalar)
1390 PROTOTYPE: $
1391 CODE:
1392 sv_unmagic (scalar, MMAP_MAGIC);
1393
1394int
1395mlockall (int flags)
1396 PROTOTYPE: $
1397 CODE:
1398#if _POSIX_MEMLOCK
1399#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1400 extern int mallopt (int, int);
1401 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402#endif
1403 mlockall (flags);
1404#else
1405 RETVAL = -1;
1406 errno = ENOSYS;
1407#endif
1408 OUTPUT:
1409 RETVAL
1410
1411int
1412munlockall ()
1413 PROTOTYPE:
1414 CODE:
1415#if _POSIX_MEMLOCK
1416 munlockall ();
1417#else
1418 RETVAL = -1;
1419 errno = ENOSYS;
1420#endif
1421 OUTPUT:
1422 RETVAL
1423
1278void _on_next_submit (SV *cb) 1424void _on_next_submit (SV *cb)
1279 CODE: 1425 CODE:
1280 SvREFCNT_dec (on_next_submit); 1426 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1427 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1428

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