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/cvs/IO-AIO/AIO.xs
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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.159 by root, Thu Jan 7 18:08:21 2010 UTC vs.
Revision 1.162 by root, Sun Jan 10 23:05:12 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
24
25#if !_POSIX_MAPPED_FILES
26# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
27# define munmap(addr,length) (errno = ENOSYS, -1)
28#endif
20 29
21/* perl namespace pollution */ 30/* perl namespace pollution */
22#undef VERSION 31#undef VERSION
23 32
24#ifdef _WIN32 33#ifdef _WIN32
… …
120 129
121#ifndef POSIX_FADV_NORMAL 130#ifndef POSIX_FADV_NORMAL
122# define POSIX_FADV_NORMAL 0 131# define POSIX_FADV_NORMAL 0
123# define NO_FADVISE 1 132# define NO_FADVISE 1
124#endif 133#endif
125
126#ifndef POSIX_FADV_SEQUENTIAL 134#ifndef POSIX_FADV_SEQUENTIAL
127# define POSIX_FADV_SEQUENTIAL 0 135# define POSIX_FADV_SEQUENTIAL 0
128#endif 136#endif
129
130#ifndef POSIX_FADV_RANDOM 137#ifndef POSIX_FADV_RANDOM
131# define POSIX_FADV_RANDOM 0 138# define POSIX_FADV_RANDOM 0
132#endif 139#endif
133
134#ifndef POSIX_FADV_NOREUSE 140#ifndef POSIX_FADV_NOREUSE
135# define POSIX_FADV_NOREUSE 0 141# define POSIX_FADV_NOREUSE 0
136#endif 142#endif
137
138#ifndef POSIX_FADV_WILLNEED 143#ifndef POSIX_FADV_WILLNEED
139# define POSIX_FADV_WILLNEED 0 144# define POSIX_FADV_WILLNEED 0
140#endif 145#endif
141
142#ifndef POSIX_FADV_DONTNEED 146#ifndef POSIX_FADV_DONTNEED
143# define POSIX_FADV_DONTNEED 0 147# define POSIX_FADV_DONTNEED 0
144#endif 148#endif
145 149
146#ifndef ST_NODEV 150#ifndef ST_NODEV
147# define ST_NODEV 0 151# define ST_NODEV 0
148#endif 152#endif
149
150#ifndef ST_NOEXEC 153#ifndef ST_NOEXEC
151# define ST_NOEXEC 0 154# define ST_NOEXEC 0
152#endif 155#endif
153
154#ifndef ST_SYNCHRONOUS 156#ifndef ST_SYNCHRONOUS
155# define ST_SYNCHRONOUS 0 157# define ST_SYNCHRONOUS 0
156#endif 158#endif
157
158#ifndef ST_MANDLOCK 159#ifndef ST_MANDLOCK
159# define ST_MANDLOCK 0 160# define ST_MANDLOCK 0
160#endif 161#endif
161
162#ifndef ST_WRITE 162#ifndef ST_WRITE
163# define ST_WRITE 0 163# define ST_WRITE 0
164#endif 164#endif
165
166#ifndef ST_APPEND 165#ifndef ST_APPEND
167# define ST_APPEND 0 166# define ST_APPEND 0
168#endif 167#endif
169
170#ifndef ST_IMMUTABLE 168#ifndef ST_IMMUTABLE
171# define ST_IMMUTABLE 0 169# define ST_IMMUTABLE 0
172#endif 170#endif
173
174#ifndef ST_NOATIME 171#ifndef ST_NOATIME
175# define ST_NOATIME 0 172# define ST_NOATIME 0
176#endif 173#endif
177
178#ifndef ST_NODIRATIME 174#ifndef ST_NODIRATIME
179# define ST_NODIRATIME 0 175# define ST_NODIRATIME 0
180#endif 176#endif
181
182#ifndef ST_RELATIME 177#ifndef ST_RELATIME
183# define ST_RELATIME 0 178# define ST_RELATIME 0
179#endif
180
181#ifndef MCL_CURRENT
182# define MCL_CURRENT 0
183#endif
184#ifndef MCL_FUTURE
185# define MCL_FUTURE 0
186#endif
187
188#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON
191# else
192# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
193# endif
194#endif
195#ifndef MAP_HUGETLB
196# define MAP_HUGETLB 0
197#endif
198#ifndef MAP_LOCKED
199# define MAP_LOCKED 0
200#endif
201#ifndef MAP_NORESERVE
202# define MAP_NORESERVE 0
203#endif
204#ifndef MAP_POPULATE
205# define MAP_POPULATE 0
206#endif
207#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0
209#endif
210
211#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE)
184#endif 213#endif
185 214
186static int req_invoke (eio_req *req); 215static int req_invoke (eio_req *req);
187#define EIO_FINISH(req) req_invoke (req) 216#define EIO_FINISH(req) req_invoke (req)
188static void req_destroy (eio_req *grp); 217static void req_destroy (eio_req *grp);
… …
396 if (req->result >= 0) 425 if (req->result >= 0)
397 { 426 {
398 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req); 427 EIO_STRUCT_STATVFS *f = EIO_STATVFS_BUF (req);
399 HV *hv = newHV (); 428 HV *hv = newHV ();
400 429
401 rv = sv_2mortal (newRV_noinc (hv)); 430 rv = sv_2mortal (newRV_noinc ((SV *)hv));
402 431
403 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0); 432 hv_store (hv, "bsize" , sizeof ("bsize" ) - 1, newSVval64 (f->f_bsize ), 0);
404 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0); 433 hv_store (hv, "frsize" , sizeof ("frsize" ) - 1, newSVval64 (f->f_frsize ), 0);
405 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0); 434 hv_store (hv, "blocks" , sizeof ("blocks" ) - 1, newSVval64 (f->f_blocks ), 0);
406 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0); 435 hv_store (hv, "bfree" , sizeof ("bfree" ) - 1, newSVval64 (f->f_bfree ), 0);
… …
557 586
558static void atfork_child (void) 587static void atfork_child (void)
559{ 588{
560 create_respipe (); 589 create_respipe ();
561} 590}
591
592/*****************************************************************************/
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)
609 const_iv (O_CREAT , O_CREAT) 667 const_iv (O_CREAT)
610 const_iv (O_TRUNC , O_TRUNC) 668 const_iv (O_TRUNC)
611#ifndef _WIN32 669#ifndef _WIN32
612 const_iv (S_IFIFO , S_IFIFO) 670 const_iv (S_IFIFO)
613#endif 671#endif
614 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
615 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
616 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
617 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
618 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
619 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
620 678
621 const_iv (ST_RDONLY , ST_RDONLY) 679 const_iv (ST_RDONLY)
622 const_iv (ST_NOSUID , ST_NOSUID) 680 const_iv (ST_NOSUID)
623 const_iv (ST_NODEV , ST_NODEV) 681 const_iv (ST_NODEV)
624 const_iv (ST_NOEXEC , ST_NOEXEC) 682 const_iv (ST_NOEXEC)
625 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 683 const_iv (ST_SYNCHRONOUS)
626 const_iv (ST_MANDLOCK , ST_MANDLOCK) 684 const_iv (ST_MANDLOCK)
627 const_iv (ST_WRITE , ST_WRITE) 685 const_iv (ST_WRITE)
628 const_iv (ST_APPEND , ST_APPEND) 686 const_iv (ST_APPEND)
629 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 687 const_iv (ST_IMMUTABLE)
630 const_iv (ST_NOATIME , ST_NOATIME) 688 const_iv (ST_NOATIME)
631 const_iv (ST_NODIRATIME , ST_NODIRATIME) 689 const_iv (ST_NODIRATIME)
632 const_iv (ST_RELATIME , ST_RELATIME) 690 const_iv (ST_RELATIME)
691
692 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ)
695 const_iv (PROT_WRITE)
696
697 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE)
699 const_iv (MAP_SHARED)
700 const_iv (MAP_ANONYMOUS)
701
702 /* linuxish */
703 const_iv (MAP_HUGETLB)
704 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK)
708
709 const_iv (MCL_FUTURE)
710 const_iv (MCL_CURRENT)
633 711
634 const_eio (MS_ASYNC) 712 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 713 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 714 const_eio (MS_SYNC)
637 715
… …
661 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); 739 aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1);
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 740 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 741
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 742 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 743 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
744
745 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
666 746
667 create_respipe (); 747 create_respipe ();
668 748
669 if (eio_init (want_poll, done_poll) < 0) 749 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 750 croak ("IO::AIO: unable to initialise eio library");
… …
1260 PROTOTYPE: $$$$ 1340 PROTOTYPE: $$$$
1261 CODE: 1341 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE 1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1343 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else 1344#else
1265 RETVAL = errno = ENOSYS; 1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1266#endif 1346#endif
1267 OUTPUT: 1347 OUTPUT:
1268 RETVAL 1348 RETVAL
1269 1349
1270ssize_t 1350ssize_t
… …
1273 CODE: 1353 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1355 OUTPUT:
1276 RETVAL 1356 RETVAL
1277 1357
1358void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC);
1363{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1)
1367 XSRETURN_NO;
1368
1369 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length;
1372
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */
1374 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar);
1376
1377 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar);
1381
1382 XSRETURN_YES;
1383}
1384
1385void
1386munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC);
1390
1391int
1392mlockall (int flags)
1393 PROTOTYPE: $
1394 CODE:
1395#if _POSIX_MEMLOCK
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7
1397 extern int mallopt (int, int);
1398 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1399#endif
1400 mlockall (flags);
1401#else
1402 RETVAL = -1;
1403 errno = ENOSYS;
1404#endif
1405 OUTPUT:
1406 RETVAL
1407
1408int
1409munlockall ()
1410 PROTOTYPE:
1411 CODE:
1412#if _POSIX_MEMLOCK
1413 munlockall ();
1414#else
1415 RETVAL = -1;
1416 errno = ENOSYS;
1417#endif
1418 OUTPUT:
1419 RETVAL
1420
1278void _on_next_submit (SV *cb) 1421void _on_next_submit (SV *cb)
1279 CODE: 1422 CODE:
1280 SvREFCNT_dec (on_next_submit); 1423 SvREFCNT_dec (on_next_submit);
1281 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; 1424 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1282 1425

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