… | |
… | |
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> |
23 | #endif |
23 | #endif |
24 | |
24 | |
25 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
26 | #undef VERSION |
26 | #undef VERSION |
… | |
… | |
178 | #endif |
178 | #endif |
179 | #ifndef MCL_FUTURE |
179 | #ifndef MCL_FUTURE |
180 | # define MCL_FUTURE 0 |
180 | # define MCL_FUTURE 0 |
181 | #endif |
181 | #endif |
182 | |
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) |
|
|
208 | #endif |
|
|
209 | |
183 | static int req_invoke (eio_req *req); |
210 | static int req_invoke (eio_req *req); |
184 | #define EIO_FINISH(req) req_invoke (req) |
211 | #define EIO_FINISH(req) req_invoke (req) |
185 | static void req_destroy (eio_req *grp); |
212 | static void req_destroy (eio_req *grp); |
186 | #define EIO_DESTROY(req) req_destroy (req) |
213 | #define EIO_DESTROY(req) req_destroy (req) |
187 | |
214 | |
… | |
… | |
554 | |
581 | |
555 | static void atfork_child (void) |
582 | static void atfork_child (void) |
556 | { |
583 | { |
557 | create_respipe (); |
584 | create_respipe (); |
558 | } |
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 | |
|
|
596 | static int |
|
|
597 | mmap_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 | |
|
|
614 | static MGVTBL mmap_vtbl = { |
|
|
615 | 0, 0, 0, 0, mmap_free |
|
|
616 | }; |
|
|
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 }, |
|
|
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) |
|
|
667 | const_iv (O_RDWR) |
606 | const_iv (O_CREAT , O_CREAT) |
668 | const_iv (O_CREAT) |
607 | const_iv (O_TRUNC , O_TRUNC) |
669 | const_iv (O_TRUNC) |
|
|
670 | const_iv (O_EXCL) |
|
|
671 | const_iv (O_APPEND) |
608 | #ifndef _WIN32 |
672 | #ifndef _WIN32 |
609 | const_iv (S_IFIFO , S_IFIFO) |
673 | const_iv (S_IFIFO) |
610 | #endif |
674 | #endif |
611 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
675 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
612 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
676 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
613 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
677 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
614 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
678 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
615 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
679 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
616 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
680 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
617 | |
681 | |
618 | const_iv (ST_RDONLY , ST_RDONLY) |
682 | const_iv (ST_RDONLY) |
619 | const_iv (ST_NOSUID , ST_NOSUID) |
683 | const_iv (ST_NOSUID) |
620 | const_iv (ST_NODEV , ST_NODEV) |
684 | const_iv (ST_NODEV) |
621 | const_iv (ST_NOEXEC , ST_NOEXEC) |
685 | const_iv (ST_NOEXEC) |
622 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
686 | const_iv (ST_SYNCHRONOUS) |
623 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
687 | const_iv (ST_MANDLOCK) |
624 | const_iv (ST_WRITE , ST_WRITE) |
688 | const_iv (ST_WRITE) |
625 | const_iv (ST_APPEND , ST_APPEND) |
689 | const_iv (ST_APPEND) |
626 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
690 | const_iv (ST_IMMUTABLE) |
627 | const_iv (ST_NOATIME , ST_NOATIME) |
691 | const_iv (ST_NOATIME) |
628 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
692 | const_iv (ST_NODIRATIME) |
629 | const_iv (ST_RELATIME , ST_RELATIME) |
693 | const_iv (ST_RELATIME) |
630 | |
694 | |
631 | const_iv (MCL_FUTURE , MCL_FUTURE) |
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) |
632 | const_iv (MCL_CURRENT , MCL_CURRENT) |
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: $$$$ |
1343 | PROTOTYPE: $$$$ |
1261 | CODE: |
1344 | CODE: |
1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1345 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1346 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1264 | #else |
1347 | #else |
1265 | RETVAL = errno = ENOSYS; |
1348 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1266 | #endif |
1349 | #endif |
1267 | OUTPUT: |
1350 | OUTPUT: |
1268 | RETVAL |
1351 | RETVAL |
1269 | |
1352 | |
1270 | ssize_t |
1353 | ssize_t |
… | |
… | |
1272 | PROTOTYPE: $$$$ |
1355 | PROTOTYPE: $$$$ |
1273 | CODE: |
1356 | CODE: |
1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1357 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1275 | OUTPUT: |
1358 | OUTPUT: |
1276 | RETVAL |
1359 | RETVAL |
|
|
1360 | |
|
|
1361 | void |
|
|
1362 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1363 | PROTOTYPE: $$$$$;$ |
|
|
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 | |
|
|
1388 | void |
|
|
1389 | munmap (SV *scalar) |
|
|
1390 | PROTOTYPE: $ |
|
|
1391 | CODE: |
|
|
1392 | sv_unmagic (scalar, MMAP_MAGIC); |
1277 | |
1393 | |
1278 | int |
1394 | int |
1279 | mlockall (int flags) |
1395 | mlockall (int flags) |
1280 | PROTOTYPE: $ |
1396 | PROTOTYPE: $ |
1281 | CODE: |
1397 | CODE: |
… | |
… | |
1284 | extern int mallopt (int, int); |
1400 | extern int mallopt (int, int); |
1285 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1401 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1286 | #endif |
1402 | #endif |
1287 | mlockall (flags); |
1403 | mlockall (flags); |
1288 | #else |
1404 | #else |
1289 | RETVAL =-1; |
1405 | RETVAL = -1; |
1290 | errno = ENOSYS; |
1406 | errno = ENOSYS; |
1291 | #endif |
1407 | #endif |
1292 | OUTPUT: |
1408 | OUTPUT: |
1293 | RETVAL |
1409 | RETVAL |
1294 | |
1410 | |
… | |
… | |
1297 | PROTOTYPE: |
1413 | PROTOTYPE: |
1298 | CODE: |
1414 | CODE: |
1299 | #if _POSIX_MEMLOCK |
1415 | #if _POSIX_MEMLOCK |
1300 | munlockall (); |
1416 | munlockall (); |
1301 | #else |
1417 | #else |
1302 | RETVAL =-1; |
1418 | RETVAL = -1; |
1303 | errno = ENOSYS; |
1419 | errno = ENOSYS; |
1304 | #endif |
1420 | #endif |
1305 | OUTPUT: |
1421 | OUTPUT: |
1306 | RETVAL |
1422 | RETVAL |
1307 | |
1423 | |