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… | |
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 | |
20 | |
21 | #if _POSIX_MEMLOCK |
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
22 | # include <sys/mman.h> |
22 | # include <sys/mman.h> |
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|
23 | #endif |
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|
24 | |
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|
25 | #if !_POSIX_MAPPED_FILES |
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|
26 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
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27 | # define munmap(addr,length) (errno = ENOSYS, -1) |
23 | #endif |
28 | #endif |
24 | |
29 | |
25 | /* perl namespace pollution */ |
30 | /* perl namespace pollution */ |
26 | #undef VERSION |
31 | #undef VERSION |
27 | |
32 | |
… | |
… | |
178 | #endif |
183 | #endif |
179 | #ifndef MCL_FUTURE |
184 | #ifndef MCL_FUTURE |
180 | # define MCL_FUTURE 0 |
185 | # define MCL_FUTURE 0 |
181 | #endif |
186 | #endif |
182 | |
187 | |
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|
188 | #ifndef MAP_ANONYMOUS |
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|
189 | # ifdef MAP_ANON |
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|
190 | # define MAP_ANONYMOUS MAP_ANON |
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191 | # else |
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192 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
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193 | # endif |
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194 | #endif |
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|
195 | #ifndef MAP_HUGETLB |
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|
196 | # define MAP_HUGETLB 0 |
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197 | #endif |
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|
198 | #ifndef MAP_LOCKED |
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|
199 | # define MAP_LOCKED 0 |
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200 | #endif |
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|
201 | #ifndef MAP_NORESERVE |
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|
202 | # define MAP_NORESERVE 0 |
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|
203 | #endif |
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|
204 | #ifndef MAP_POPULATE |
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|
205 | # define MAP_POPULATE 0 |
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206 | #endif |
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|
207 | #ifndef MAP_NONBLOCK |
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|
208 | # define MAP_NONBLOCK 0 |
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209 | #endif |
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210 | |
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|
211 | #ifndef PAGESIZE |
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|
212 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
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|
213 | #endif |
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|
214 | |
183 | static int req_invoke (eio_req *req); |
215 | static int req_invoke (eio_req *req); |
184 | #define EIO_FINISH(req) req_invoke (req) |
216 | #define EIO_FINISH(req) req_invoke (req) |
185 | static void req_destroy (eio_req *grp); |
217 | static void req_destroy (eio_req *grp); |
186 | #define EIO_DESTROY(req) req_destroy (req) |
218 | #define EIO_DESTROY(req) req_destroy (req) |
187 | |
219 | |
… | |
… | |
554 | |
586 | |
555 | static void atfork_child (void) |
587 | static void atfork_child (void) |
556 | { |
588 | { |
557 | create_respipe (); |
589 | create_respipe (); |
558 | } |
590 | } |
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|
591 | |
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|
592 | /*****************************************************************************/ |
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|
593 | |
|
|
594 | #define MMAP_MAGIC PERL_MAGIC_ext |
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|
595 | |
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|
596 | static int |
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|
597 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
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|
598 | { |
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|
599 | int old_errno = errno; |
|
|
600 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
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|
601 | errno = old_errno; |
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602 | |
|
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603 | mg->mg_obj = 0; /* just in case */ |
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604 | |
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|
605 | SvREADONLY_off (sv); |
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606 | SvCUR_set (sv, 0); |
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|
607 | SvLEN_set (sv, 0); |
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608 | SvPVX (sv) = 0; |
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609 | SvOK_off (sv); |
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610 | |
|
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611 | return 0; |
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|
612 | } |
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613 | |
|
|
614 | static MGVTBL mmap_vtbl = { |
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615 | 0, 0, 0, 0, mmap_free |
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616 | }; |
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617 | |
|
|
618 | /*****************************************************************************/ |
559 | |
619 | |
560 | static SV * |
620 | static SV * |
561 | get_cb (SV *cb_sv) |
621 | get_cb (SV *cb_sv) |
562 | { |
622 | { |
563 | SvGETMAGIC (cb_sv); |
623 | SvGETMAGIC (cb_sv); |
… | |
… | |
595 | { |
655 | { |
596 | static const struct { |
656 | static const struct { |
597 | const char *name; |
657 | const char *name; |
598 | IV iv; |
658 | IV iv; |
599 | } *civ, const_iv[] = { |
659 | } *civ, const_iv[] = { |
600 | # define const_iv(name, value) { # name, (IV) value }, |
660 | # define const_niv(name, value) { # name, (IV) value }, |
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|
661 | # define const_iv(name) { # name, (IV) name }, |
601 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
662 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
602 | const_iv (EXDEV , EXDEV) |
663 | const_iv (EXDEV) |
603 | const_iv (ENOSYS , ENOSYS) |
664 | const_iv (ENOSYS) |
604 | const_iv (O_RDONLY, O_RDONLY) |
665 | const_iv (O_RDONLY) |
605 | const_iv (O_WRONLY, O_WRONLY) |
666 | const_iv (O_WRONLY) |
606 | const_iv (O_CREAT , O_CREAT) |
667 | const_iv (O_CREAT) |
607 | const_iv (O_TRUNC , O_TRUNC) |
668 | const_iv (O_TRUNC) |
608 | #ifndef _WIN32 |
669 | #ifndef _WIN32 |
609 | const_iv (S_IFIFO , S_IFIFO) |
670 | const_iv (S_IFIFO) |
610 | #endif |
671 | #endif |
611 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
672 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
612 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
673 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
613 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
674 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
614 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
675 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
615 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
676 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
616 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
677 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
617 | |
678 | |
618 | const_iv (ST_RDONLY , ST_RDONLY) |
679 | const_iv (ST_RDONLY) |
619 | const_iv (ST_NOSUID , ST_NOSUID) |
680 | const_iv (ST_NOSUID) |
620 | const_iv (ST_NODEV , ST_NODEV) |
681 | const_iv (ST_NODEV) |
621 | const_iv (ST_NOEXEC , ST_NOEXEC) |
682 | const_iv (ST_NOEXEC) |
622 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
683 | const_iv (ST_SYNCHRONOUS) |
623 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
684 | const_iv (ST_MANDLOCK) |
624 | const_iv (ST_WRITE , ST_WRITE) |
685 | const_iv (ST_WRITE) |
625 | const_iv (ST_APPEND , ST_APPEND) |
686 | const_iv (ST_APPEND) |
626 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
687 | const_iv (ST_IMMUTABLE) |
627 | const_iv (ST_NOATIME , ST_NOATIME) |
688 | const_iv (ST_NOATIME) |
628 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
689 | const_iv (ST_NODIRATIME) |
629 | const_iv (ST_RELATIME , ST_RELATIME) |
690 | const_iv (ST_RELATIME) |
630 | |
691 | |
631 | const_iv (MCL_FUTURE , MCL_FUTURE) |
692 | const_iv (PROT_EXEC) |
|
|
693 | const_iv (PROT_NONE) |
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|
694 | const_iv (PROT_READ) |
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|
695 | const_iv (PROT_WRITE) |
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696 | |
|
|
697 | /*const_iv (MAP_FIXED)*/ |
|
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698 | const_iv (MAP_PRIVATE) |
|
|
699 | const_iv (MAP_SHARED) |
|
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700 | const_iv (MAP_ANONYMOUS) |
|
|
701 | |
|
|
702 | /* linuxish */ |
|
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703 | const_iv (MAP_HUGETLB) |
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704 | const_iv (MAP_LOCKED) |
|
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705 | const_iv (MAP_NORESERVE) |
|
|
706 | const_iv (MAP_POPULATE) |
|
|
707 | const_iv (MAP_NONBLOCK) |
|
|
708 | |
|
|
709 | const_iv (MCL_FUTURE) |
632 | const_iv (MCL_CURRENT , MCL_CURRENT) |
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: $$$$ |
1340 | PROTOTYPE: $$$$ |
1261 | CODE: |
1341 | CODE: |
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1342 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1343 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1264 | #else |
1344 | #else |
1265 | RETVAL = errno = ENOSYS; |
1345 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1266 | #endif |
1346 | #endif |
1267 | OUTPUT: |
1347 | OUTPUT: |
1268 | RETVAL |
1348 | RETVAL |
1269 | |
1349 | |
1270 | ssize_t |
1350 | ssize_t |
… | |
… | |
1272 | PROTOTYPE: $$$$ |
1352 | PROTOTYPE: $$$$ |
1273 | CODE: |
1353 | CODE: |
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1354 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1275 | OUTPUT: |
1355 | OUTPUT: |
1276 | RETVAL |
1356 | RETVAL |
|
|
1357 | |
|
|
1358 | void |
|
|
1359 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1360 | PROTOTYPE: $$$$$;$ |
|
|
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 | |
|
|
1385 | void |
|
|
1386 | munmap (SV *scalar) |
|
|
1387 | PROTOTYPE: $ |
|
|
1388 | CODE: |
|
|
1389 | sv_unmagic (scalar, MMAP_MAGIC); |
1277 | |
1390 | |
1278 | int |
1391 | int |
1279 | mlockall (int flags) |
1392 | mlockall (int flags) |
1280 | PROTOTYPE: $ |
1393 | PROTOTYPE: $ |
1281 | CODE: |
1394 | CODE: |
… | |
… | |
1284 | extern int mallopt (int, int); |
1397 | extern int mallopt (int, int); |
1285 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1398 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1286 | #endif |
1399 | #endif |
1287 | mlockall (flags); |
1400 | mlockall (flags); |
1288 | #else |
1401 | #else |
1289 | RETVAL =-1; |
1402 | RETVAL = -1; |
1290 | errno = ENOSYS; |
1403 | errno = ENOSYS; |
1291 | #endif |
1404 | #endif |
1292 | OUTPUT: |
1405 | OUTPUT: |
1293 | RETVAL |
1406 | RETVAL |
1294 | |
1407 | |
… | |
… | |
1297 | PROTOTYPE: |
1410 | PROTOTYPE: |
1298 | CODE: |
1411 | CODE: |
1299 | #if _POSIX_MEMLOCK |
1412 | #if _POSIX_MEMLOCK |
1300 | munlockall (); |
1413 | munlockall (); |
1301 | #else |
1414 | #else |
1302 | RETVAL =-1; |
1415 | RETVAL = -1; |
1303 | errno = ENOSYS; |
1416 | errno = ENOSYS; |
1304 | #endif |
1417 | #endif |
1305 | OUTPUT: |
1418 | OUTPUT: |
1306 | RETVAL |
1419 | RETVAL |
1307 | |
1420 | |