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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.161 by root, Sun Jan 10 20:28:43 2010 UTC vs.
Revision 1.182 by root, Thu May 19 22:57:04 2011 UTC

… …
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_MEMLOCK_RANGE || _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
… …
118 STRLEN stroffset; \ 118 STRLEN stroffset; \
119 SV *self; 119 SV *self;
120 120
121#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
122 122
123#include "libeio/config.h"
123#include "libeio/eio.h" 124#include "libeio/eio.h"
125
126/* Linux/others */
127#ifndef O_ASYNC
128# define O_ASYNC 0
129#endif
130#ifndef O_DIRECT
131# define O_DIRECT 0
132#endif
133#ifndef O_NOATIME
134# define O_NOATIME 0
135#endif
136
137/* POSIX */
138#ifndef O_CLOEXEC
139# define O_CLOEXEC 0
140#endif
141#ifndef O_NOFOLLOW
142# define O_NOFOLLOW 0
143#endif
144#ifndef O_NOCTTY
145# define O_NOCTTY 0
146#endif
147#ifndef O_NONBLOCK
148# define O_NONBLOCK 0
149#endif
150#ifndef O_EXEC
151# define O_EXEC 0
152#endif
153#ifndef O_SEARCH
154# define O_SEARCH 0
155#endif
156#ifndef O_DIRECTORY
157# define O_DIRECTORY 0
158#endif
159#ifndef O_DSYNC
160# define O_DSYNC 0
161#endif
162#ifndef O_RSYNC
163# define O_RSYNC 0
164#endif
165#ifndef O_SYNC
166# define O_SYNC 0
167#endif
168#ifndef O_TTY_INIT
169# define O_TTY_INIT 0
170#endif
124 171
125#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 174#endif
129#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
131#endif 177#endif
132#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
… …
140#endif 186#endif
141#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
143#endif 189#endif
144 190
191#if !HAVE_POSIX_FADVISE
192# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
193#endif
194
195#ifndef POSIX_MADV_NORMAL
196# define POSIX_MADV_NORMAL 0
197#endif
198#ifndef POSIX_MADV_SEQUENTIAL
199# define POSIX_MADV_SEQUENTIAL 0
200#endif
201#ifndef POSIX_MADV_RANDOM
202# define POSIX_MADV_RANDOM 0
203#endif
204#ifndef POSIX_MADV_WILLNEED
205# define POSIX_MADV_WILLNEED 0
206#endif
207#ifndef POSIX_MADV_DONTNEED
208# define POSIX_MADV_DONTNEED 0
209#endif
210
211#if !HAVE_POSIX_MADVISE
212# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
213#endif
214
215#ifndef PROT_NONE
216# define PROT_NONE 0
217#endif
218#ifndef PROT_READ
219# define PROT_READ 0
220#endif
221#ifndef PROT_WRITE
222# define PROT_READ 0
223#endif
224#ifndef PROT_EXEC
225# define PROT_EXEC 0
226#endif
227
145#ifndef ST_NODEV 228#ifndef ST_NODEV
146# define ST_NODEV 0 229# define ST_NODEV 0
147#endif 230#endif
148#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 232# define ST_NOEXEC 0
… …
171#endif 254#endif
172#ifndef ST_RELATIME 255#ifndef ST_RELATIME
173# define ST_RELATIME 0 256# define ST_RELATIME 0
174#endif 257#endif
175 258
176#ifndef MCL_CURRENT 259#ifndef S_IFIFO
177# define MCL_CURRENT 0 260# define S_IFIFO 0
261#endif
262#ifndef S_IFCHR
263# define S_IFCHR 0
264#endif
265#ifndef S_IFBLK
266# define S_IFBLK 0
267#endif
268#ifndef S_IFLNK
269# define S_IFLNK 0
270#endif
271#ifndef S_IFREG
272# define S_IFREG 0
273#endif
274#ifndef S_IFDIR
275# define S_IFDIR 0
276#endif
277#ifndef S_IFWHT
278# define S_IFWHT 0
279#endif
280#ifndef S_IFSOCK
281# define S_IFSOCK 0
282#endif
283
284#ifndef MAP_ANONYMOUS
285# ifdef MAP_ANON
286# define MAP_ANONYMOUS MAP_ANON
287# else
288# define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */
178#endif 289# endif
179#ifndef MCL_FUTURE 290#endif
180# define MCL_FUTURE 0 291#ifndef MAP_HUGETLB
292# define MAP_HUGETLB 0
293#endif
294#ifndef MAP_LOCKED
295# define MAP_LOCKED 0
296#endif
297#ifndef MAP_NORESERVE
298# define MAP_NORESERVE 0
299#endif
300#ifndef MAP_POPULATE
301# define MAP_POPULATE 0
302#endif
303#ifndef MAP_NONBLOCK
304# define MAP_NONBLOCK 0
305#endif
306
307#ifndef makedev
308# define makedev(maj,min) (((maj) << 8) | (min))
309#endif
310#ifndef major
311# define major(dev) ((dev) >> 8)
312#endif
313#ifndef minor
314# define minor(dev) ((dev) & 0xff)
315#endif
316
317#ifndef PAGESIZE
318# define PAGESIZE sysconf (_SC_PAGESIZE)
181#endif 319#endif
182 320
183static int req_invoke (eio_req *req); 321static int req_invoke (eio_req *req);
184#define EIO_FINISH(req) req_invoke (req) 322#define EIO_FINISH(req) req_invoke (req)
185static void req_destroy (eio_req *grp); 323static void req_destroy (eio_req *grp);
… …
277 } 415 }
278} 416}
279 417
280static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
281{ 419{
282 dSP;
283
284 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
285 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
286 422
287 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
288 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
289 ENTER; 429 ENTER;
290 SAVETMPS; 430 SAVETMPS;
291 PUSHMARK (SP); 431 PUSHMARK (SP);
292 EXTEND (SP, 1); 432 EXTEND (SP, 1);
433
434 /* do not recreate the result IV from scratch each time */
435 if (expect_true (sv_result_cache))
436 {
437 sv_result = sv_result_cache; sv_result_cache = 0;
438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
440 }
441 else
442 {
443 sv_result = newSViv (req->result);
444 SvREADONLY_on (sv_result);
445 }
293 446
294 switch (req->type) 447 switch (req->type)
295 { 448 {
296 case EIO_READDIR: 449 case EIO_READDIR:
297 { 450 {
… …
442 case EIO_LSTAT: 595 case EIO_LSTAT:
443 case EIO_FSTAT: 596 case EIO_FSTAT:
444 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 597 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
445 PL_laststatval = req->result; 598 PL_laststatval = req->result;
446 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 599 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
447 PUSHs (sv_2mortal (newSViv (req->result))); 600 PUSHs (sv_result);
448 break; 601 break;
449 602
450 case EIO_READ: 603 case EIO_READ:
451 { 604 {
452 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 605 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
453 *SvEND (req->sv2) = 0; 606 *SvEND (req->sv2) = 0;
454 SvPOK_only (req->sv2); 607 SvPOK_only (req->sv2);
455 SvSETMAGIC (req->sv2); 608 SvSETMAGIC (req->sv2);
456 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
457 } 610 }
458 break; 611 break;
459 612
460 case EIO_DUP2: 613 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
461 if (req->result > 0) 614 if (req->result > 0)
462 req->result = 0; 615 SvIV_set (sv_result, 0);
463 /* FALLTHROUGH */ 616 /* FALLTHROUGH */
464 617
465 default: 618 default:
466 PUSHs (sv_2mortal (newSViv (req->result))); 619 PUSHs (sv_result);
467 break; 620 break;
468 } 621 }
469 622
470 errno = req->errorno; 623 errno = req->errorno;
471 624
472 PUTBACK; 625 PUTBACK;
473 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 626 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
474 SPAGAIN; 627 SPAGAIN;
628
629 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
630 SvREFCNT_dec (sv_result);
631 else
632 sv_result_cache = sv_result;
475 633
476 FREETMPS; 634 FREETMPS;
477 LEAVE; 635 LEAVE;
478 636
479 PUTBACK; 637 PUTBACK;
… …
554 712
555static void atfork_child (void) 713static void atfork_child (void)
556{ 714{
557 create_respipe (); 715 create_respipe ();
558} 716}
717
718/*****************************************************************************/
719
720#if !_POSIX_MAPPED_FILES
721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
722# define munmap(addr,length) (errno = ENOSYS, -1)
723#endif
724
725#if !_POSIX_MEMORY_PROTECTION
726# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
727# define PROT_NONE 0
728# define PROT_WRITE 0
729# define MAP_PRIVATE 0
730# define MAP_SHARED 0
731# define MAP_FIXED 0
732#endif
733
734#define MMAP_MAGIC PERL_MAGIC_ext
735
736static int
737mmap_free (pTHX_ SV *sv, MAGIC *mg)
738{
739 int old_errno = errno;
740 munmap (mg->mg_ptr, (size_t)mg->mg_obj);
741 errno = old_errno;
742
743 mg->mg_obj = 0; /* just in case */
744
745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
750 SvCUR_set (sv, 0);
751 SvPVX (sv) = 0;
752 SvOK_off (sv);
753
754 return 0;
755}
756
757static MGVTBL mmap_vtbl = {
758 0, 0, 0, 0, mmap_free
759};
760
761/*****************************************************************************/
559 762
560static SV * 763static SV *
561get_cb (SV *cb_sv) 764get_cb (SV *cb_sv)
562{ 765{
563 SvGETMAGIC (cb_sv); 766 SvGETMAGIC (cb_sv);
… …
595{ 798{
596 static const struct { 799 static const struct {
597 const char *name; 800 const char *name;
598 IV iv; 801 IV iv;
599 } *civ, const_iv[] = { 802 } *civ, const_iv[] = {
600# define const_iv(name, value) { # name, (IV) value }, 803# define const_niv(name, value) { # name, (IV) value },
804# define const_iv(name) { # name, (IV) name },
601# define const_eio(name) { # name, (IV) EIO_ ## name }, 805# define const_eio(name) { # name, (IV) EIO_ ## name },
602 const_iv (EXDEV , EXDEV) 806 const_iv (EXDEV)
603 const_iv (ENOSYS , ENOSYS) 807 const_iv (ENOSYS)
604 const_iv (O_RDONLY, O_RDONLY) 808 const_iv (O_RDONLY)
605 const_iv (O_WRONLY, O_WRONLY) 809 const_iv (O_WRONLY)
810 const_iv (O_RDWR)
606 const_iv (O_CREAT , O_CREAT) 811 const_iv (O_CREAT)
607 const_iv (O_TRUNC , O_TRUNC) 812 const_iv (O_TRUNC)
608#ifndef _WIN32 813 const_iv (O_EXCL)
814 const_iv (O_APPEND)
815
816 const_iv (O_ASYNC)
817 const_iv (O_DIRECT)
818 const_iv (O_NOATIME)
819
820 const_iv (O_CLOEXEC)
821 const_iv (O_NOCTTY)
822 const_iv (O_NOFOLLOW)
823 const_iv (O_NONBLOCK)
824 const_iv (O_EXEC)
825 const_iv (O_SEARCH)
826 const_iv (O_DIRECTORY)
827 const_iv (O_DSYNC)
828 const_iv (O_RSYNC)
829 const_iv (O_SYNC)
830 const_iv (O_TTY_INIT)
831
609 const_iv (S_IFIFO , S_IFIFO) 832 const_iv (S_IFIFO)
610#endif 833 const_iv (S_IFCHR)
834 const_iv (S_IFBLK)
835 const_iv (S_IFLNK)
836 const_iv (S_IFREG)
837 const_iv (S_IFDIR)
838 const_iv (S_IFWHT)
839 const_iv (S_IFSOCK)
840 const_iv (S_IFMT)
841
611 const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) 842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
612 const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
613 const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) 844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
614 const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
615 const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
616 const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
617 848
618 const_iv (ST_RDONLY , ST_RDONLY) 849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
619 const_iv (ST_NOSUID , ST_NOSUID) 850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
620 const_iv (ST_NODEV , ST_NODEV) 851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
621 const_iv (ST_NOEXEC , ST_NOEXEC) 852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
854
855 const_iv (ST_RDONLY)
856 const_iv (ST_NOSUID)
857 const_iv (ST_NODEV)
858 const_iv (ST_NOEXEC)
622 const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) 859 const_iv (ST_SYNCHRONOUS)
623 const_iv (ST_MANDLOCK , ST_MANDLOCK) 860 const_iv (ST_MANDLOCK)
624 const_iv (ST_WRITE , ST_WRITE) 861 const_iv (ST_WRITE)
625 const_iv (ST_APPEND , ST_APPEND) 862 const_iv (ST_APPEND)
626 const_iv (ST_IMMUTABLE , ST_IMMUTABLE) 863 const_iv (ST_IMMUTABLE)
627 const_iv (ST_NOATIME , ST_NOATIME) 864 const_iv (ST_NOATIME)
628 const_iv (ST_NODIRATIME , ST_NODIRATIME) 865 const_iv (ST_NODIRATIME)
629 const_iv (ST_RELATIME , ST_RELATIME) 866 const_iv (ST_RELATIME)
630 867
631 const_iv (MCL_FUTURE , MCL_FUTURE) 868 const_iv (PROT_NONE)
632 const_iv (MCL_CURRENT , MCL_CURRENT) 869 const_iv (PROT_EXEC)
870 const_iv (PROT_READ)
871 const_iv (PROT_WRITE)
872
873 /*const_iv (MAP_FIXED)*/
874 const_iv (MAP_PRIVATE)
875 const_iv (MAP_SHARED)
876 const_iv (MAP_ANONYMOUS)
877
878 /* linuxish */
879 const_iv (MAP_HUGETLB)
880 const_iv (MAP_LOCKED)
881 const_iv (MAP_NORESERVE)
882 const_iv (MAP_POPULATE)
883 const_iv (MAP_NONBLOCK)
884
885 const_eio (MCL_FUTURE)
886 const_eio (MCL_CURRENT)
633 887
634 const_eio (MS_ASYNC) 888 const_eio (MS_ASYNC)
635 const_eio (MS_INVALIDATE) 889 const_eio (MS_INVALIDATE)
636 const_eio (MS_SYNC) 890 const_eio (MS_SYNC)
637 891
… …
662 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); 916 aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1);
663 917
664 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 918 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
665 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); 919 newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv));
666 920
921 newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE));
922
667 create_respipe (); 923 create_respipe ();
668 924
669 if (eio_init (want_poll, done_poll) < 0) 925 if (eio_init (want_poll, done_poll) < 0)
670 croak ("IO::AIO: unable to initialise eio library"); 926 croak ("IO::AIO: unable to initialise eio library");
671 927
672 /* atfork child called in fifo order, so before eio's handler */ 928 /* atfork child called in fifo order, so before eio's handler */
673 X_THREAD_ATFORK (0, 0, atfork_child); 929 X_THREAD_ATFORK (0, 0, atfork_child);
674} 930}
675 931
676void 932void
677max_poll_reqs (int nreqs) 933max_poll_reqs (unsigned int nreqs)
678 PROTOTYPE: $ 934 PROTOTYPE: $
679 CODE: 935 CODE:
680 eio_set_max_poll_reqs (nreqs); 936 eio_set_max_poll_reqs (nreqs);
681 937
682void 938void
… …
684 PROTOTYPE: $ 940 PROTOTYPE: $
685 CODE: 941 CODE:
686 eio_set_max_poll_time (nseconds); 942 eio_set_max_poll_time (nseconds);
687 943
688void 944void
689min_parallel (int nthreads) 945min_parallel (unsigned int nthreads)
690 PROTOTYPE: $ 946 PROTOTYPE: $
691 CODE: 947 CODE:
692 eio_set_min_parallel (nthreads); 948 eio_set_min_parallel (nthreads);
693 949
694void 950void
695max_parallel (int nthreads) 951max_parallel (unsigned int nthreads)
696 PROTOTYPE: $ 952 PROTOTYPE: $
697 CODE: 953 CODE:
698 eio_set_max_parallel (nthreads); 954 eio_set_max_parallel (nthreads);
699 955
700void 956void
701max_idle (int nthreads) 957max_idle (unsigned int nthreads)
702 PROTOTYPE: $ 958 PROTOTYPE: $
703 CODE: 959 CODE:
704 eio_set_max_idle (nthreads); 960 eio_set_max_idle (nthreads);
705 961
706void 962void
963idle_timeout (unsigned int seconds)
964 PROTOTYPE: $
965 CODE:
966 eio_set_idle_timeout (seconds);
967
968void
707max_outstanding (int maxreqs) 969max_outstanding (unsigned int maxreqs)
708 PROTOTYPE: $ 970 PROTOTYPE: $
709 CODE: 971 CODE:
710 max_outstanding = maxreqs; 972 max_outstanding = maxreqs;
711 973
712void 974void
713aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 975aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
714 PROTOTYPE: $$$;$
715 PPCODE: 976 PPCODE:
716{ 977{
717 dREQ; 978 dREQ;
718 979
719 req->type = EIO_OPEN; 980 req->type = EIO_OPEN;
… …
725 REQ_SEND; 986 REQ_SEND;
726} 987}
727 988
728void 989void
729aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 990aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
730 PROTOTYPE: $;$
731 ALIAS: 991 ALIAS:
732 aio_fsync = EIO_FSYNC 992 aio_fsync = EIO_FSYNC
733 aio_fdatasync = EIO_FDATASYNC 993 aio_fdatasync = EIO_FDATASYNC
734 PPCODE: 994 PPCODE:
735{ 995{
… …
743 REQ_SEND (req); 1003 REQ_SEND (req);
744} 1004}
745 1005
746void 1006void
747aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
748 PROTOTYPE: $$$$;$
749 PPCODE: 1008 PPCODE:
750{ 1009{
751 int fd = s_fileno_croak (fh, 0); 1010 int fd = s_fileno_croak (fh, 0);
752 dREQ; 1011 dREQ;
753 1012
… …
761 REQ_SEND (req); 1020 REQ_SEND (req);
762} 1021}
763 1022
764void 1023void
765aio_close (SV *fh, SV *callback=&PL_sv_undef) 1024aio_close (SV *fh, SV *callback=&PL_sv_undef)
766 PROTOTYPE: $;$
767 PPCODE: 1025 PPCODE:
768{ 1026{
769 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1027 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
770 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
771 dREQ; 1029 dREQ;
… …
793void 1051void
794aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1052aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
795 ALIAS: 1053 ALIAS:
796 aio_read = EIO_READ 1054 aio_read = EIO_READ
797 aio_write = EIO_WRITE 1055 aio_write = EIO_WRITE
798 PROTOTYPE: $$$$$;$
799 PPCODE: 1056 PPCODE:
800{ 1057{
801 STRLEN svlen; 1058 STRLEN svlen;
802 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1059 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
803 char *svptr = SvPVbyte (data, svlen); 1060 char *svptr = SvPVbyte (data, svlen);
… …
844 } 1101 }
845} 1102}
846 1103
847void 1104void
848aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1105aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $$;$
850 PPCODE: 1106 PPCODE:
851{ 1107{
852 SV *data; 1108 SV *data;
853 dREQ; 1109 dREQ;
854 1110
… …
859 REQ_SEND; 1115 REQ_SEND;
860} 1116}
861 1117
862void 1118void
863aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1119aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
864 PROTOTYPE: $$$$;$
865 PPCODE: 1120 PPCODE:
866{ 1121{
867 int ifd = s_fileno_croak (in_fh , 0); 1122 int ifd = s_fileno_croak (in_fh , 0);
868 int ofd = s_fileno_croak (out_fh, 1); 1123 int ofd = s_fileno_croak (out_fh, 1);
869 dREQ; 1124 dREQ;
… …
879 REQ_SEND; 1134 REQ_SEND;
880} 1135}
881 1136
882void 1137void
883aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1138aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$;$
885 PPCODE: 1139 PPCODE:
886{ 1140{
887 int fd = s_fileno_croak (fh, 0); 1141 int fd = s_fileno_croak (fh, 0);
888 dREQ; 1142 dREQ;
889 1143
… …
920 } 1174 }
921 1175
922 REQ_SEND; 1176 REQ_SEND;
923} 1177}
924 1178
1179UV
1180major (UV dev)
1181 ALIAS:
1182 minor = 1
1183 CODE:
1184 RETVAL = ix ? major (dev) : minor (dev);
1185 OUTPUT:
1186 RETVAL
1187
1188UV
1189makedev (UV maj, UV min)
1190 CODE:
1191 RETVAL = makedev (maj, min);
1192 OUTPUT:
1193 RETVAL
1194
925void 1195void
926aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1196aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
927 PPCODE: 1197 PPCODE:
928{ 1198{
929 dREQ; 1199 dREQ;
… …
1090void 1360void
1091aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1361aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1092 ALIAS: 1362 ALIAS:
1093 aio_mtouch = EIO_MTOUCH 1363 aio_mtouch = EIO_MTOUCH
1094 aio_msync = EIO_MSYNC 1364 aio_msync = EIO_MSYNC
1095 PROTOTYPE: $$$$;$
1096 PPCODE: 1365 PPCODE:
1097{ 1366{
1098 STRLEN svlen; 1367 STRLEN svlen;
1368 char *svptr = SvPVbyte (data, svlen);
1099 UV len = SvUV (length); 1369 UV len = SvUV (length);
1100 char *svptr = SvPVbyte (data, svlen);
1101 1370
1102 if (offset < 0) 1371 if (offset < 0)
1103 offset += svlen; 1372 offset += svlen;
1104 1373
1105 if (offset < 0 || offset > svlen) 1374 if (offset < 0 || offset > svlen)
… …
1110 1379
1111 { 1380 {
1112 dREQ; 1381 dREQ;
1113 1382
1114 req->type = ix; 1383 req->type = ix;
1115 req->size = len;
1116 req->sv2 = SvREFCNT_inc (data); 1384 req->sv2 = SvREFCNT_inc (data);
1117 req->ptr2 = (char *)svptr + offset; 1385 req->ptr2 = (char *)svptr + offset;
1386 req->size = len;
1118 req->int1 = flags; 1387 req->int1 = flags;
1119 1388
1120 REQ_SEND; 1389 REQ_SEND;
1121 } 1390 }
1122} 1391}
1123 1392
1124void 1393void
1394aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1395 PPCODE:
1396{
1397 STRLEN svlen;
1398 char *svptr = SvPVbyte (data, svlen);
1399 UV len = SvUV (length);
1400
1401 if (offset < 0)
1402 offset += svlen;
1403
1404 if (offset < 0 || offset > svlen)
1405 croak ("offset outside of scalar");
1406
1407 if (!SvOK (length) || len + offset > svlen)
1408 len = svlen - offset;
1409
1410 {
1411 dREQ;
1412
1413 req->type = EIO_MLOCK;
1414 req->sv2 = SvREFCNT_inc (data);
1415 req->ptr2 = (char *)svptr + offset;
1416 req->size = len;
1417
1418 REQ_SEND;
1419 }
1420}
1421
1422void
1423aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1424 PPCODE:
1425{
1426 dREQ;
1427
1428 req->type = EIO_MLOCKALL;
1429 req->int1 = flags;
1430
1431 REQ_SEND;
1432}
1433
1434void
1125aio_busy (double delay, SV *callback=&PL_sv_undef) 1435aio_busy (double delay, SV *callback=&PL_sv_undef)
1126 PPCODE: 1436 PPCODE:
1127{ 1437{
1128 dREQ; 1438 dREQ;
1129 1439
… …
1133 REQ_SEND; 1443 REQ_SEND;
1134} 1444}
1135 1445
1136void 1446void
1137aio_group (SV *callback=&PL_sv_undef) 1447aio_group (SV *callback=&PL_sv_undef)
1138 PROTOTYPE: ;$
1139 PPCODE: 1448 PPCODE:
1140{ 1449{
1141 dREQ; 1450 dREQ;
1142 1451
1143 req->type = EIO_GROUP; 1452 req->type = EIO_GROUP;
… …
1160 REQ_SEND; 1469 REQ_SEND;
1161} 1470}
1162 1471
1163int 1472int
1164aioreq_pri (int pri = 0) 1473aioreq_pri (int pri = 0)
1165 PROTOTYPE: ;$
1166 CODE: 1474 CODE:
1167 RETVAL = next_pri; 1475 RETVAL = next_pri;
1168 if (items > 0) 1476 if (items > 0)
1169 { 1477 {
1170 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1478 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1182 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1490 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1183 next_pri = nice; 1491 next_pri = nice;
1184 1492
1185void 1493void
1186flush () 1494flush ()
1187 PROTOTYPE:
1188 CODE: 1495 CODE:
1189 while (eio_nreqs ()) 1496 while (eio_nreqs ())
1190 { 1497 {
1191 poll_wait (); 1498 poll_wait ();
1192 poll_cb (); 1499 poll_cb ();
1193 } 1500 }
1194 1501
1195int 1502int
1196poll() 1503poll ()
1197 PROTOTYPE:
1198 CODE: 1504 CODE:
1199 poll_wait (); 1505 poll_wait ();
1200 RETVAL = poll_cb (); 1506 RETVAL = poll_cb ();
1201 OUTPUT: 1507 OUTPUT:
1202 RETVAL 1508 RETVAL
1203 1509
1204int 1510int
1205poll_fileno() 1511poll_fileno ()
1206 PROTOTYPE:
1207 CODE: 1512 CODE:
1208 RETVAL = s_epipe_fd (&respipe); 1513 RETVAL = s_epipe_fd (&respipe);
1209 OUTPUT: 1514 OUTPUT:
1210 RETVAL 1515 RETVAL
1211 1516
1212int 1517int
1213poll_cb(...) 1518poll_cb (...)
1214 PROTOTYPE: 1519 PROTOTYPE:
1215 CODE: 1520 CODE:
1216 RETVAL = poll_cb (); 1521 RETVAL = poll_cb ();
1217 OUTPUT: 1522 OUTPUT:
1218 RETVAL 1523 RETVAL
1219 1524
1220void 1525void
1221poll_wait() 1526poll_wait ()
1222 PROTOTYPE:
1223 CODE: 1527 CODE:
1224 poll_wait (); 1528 poll_wait ();
1225 1529
1226int 1530int
1227nreqs() 1531nreqs ()
1228 PROTOTYPE:
1229 CODE: 1532 CODE:
1230 RETVAL = eio_nreqs (); 1533 RETVAL = eio_nreqs ();
1231 OUTPUT: 1534 OUTPUT:
1232 RETVAL 1535 RETVAL
1233 1536
1234int 1537int
1235nready() 1538nready ()
1236 PROTOTYPE:
1237 CODE: 1539 CODE:
1238 RETVAL = eio_nready (); 1540 RETVAL = eio_nready ();
1239 OUTPUT: 1541 OUTPUT:
1240 RETVAL 1542 RETVAL
1241 1543
1242int 1544int
1243npending() 1545npending ()
1244 PROTOTYPE:
1245 CODE: 1546 CODE:
1246 RETVAL = eio_npending (); 1547 RETVAL = eio_npending ();
1247 OUTPUT: 1548 OUTPUT:
1248 RETVAL 1549 RETVAL
1249 1550
1250int 1551int
1251nthreads() 1552nthreads ()
1252 PROTOTYPE:
1253 CODE: 1553 CODE:
1254 RETVAL = eio_nthreads (); 1554 RETVAL = eio_nthreads ();
1255 OUTPUT: 1555 OUTPUT:
1256 RETVAL 1556 RETVAL
1257 1557
1258int 1558int
1259fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1559fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1260 PROTOTYPE: $$$$
1261 CODE: 1560 CODE:
1262#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1263 RETVAL = posix_fadvise (fh, offset, length, advice); 1561 RETVAL = posix_fadvise (fh, offset, length, advice);
1264#else
1265 RETVAL = errno = ENOSYS;
1266#endif
1267 OUTPUT: 1562 OUTPUT:
1268 RETVAL 1563 RETVAL
1269 1564
1270ssize_t 1565ssize_t
1271sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1566sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1272 PROTOTYPE: $$$$
1273 CODE: 1567 CODE:
1274 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1568 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1275 OUTPUT: 1569 OUTPUT:
1276 RETVAL 1570 RETVAL
1277 1571
1572void
1573mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1574 PPCODE:
1575 sv_unmagic (scalar, MMAP_MAGIC);
1576{
1577 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1578 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1579 if (addr == (void *)-1)
1580 XSRETURN_NO;
1581
1582 sv_force_normal (scalar);
1583
1584 /* we store the length in mg_obj, as namlen is I32 :/ */
1585 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1586 ->mg_obj = (SV *)length;
1587
1588 SvUPGRADE (scalar, SVt_PV); /* nop... */
1589
1590 if (!(prot & PROT_WRITE))
1591 SvREADONLY_on (scalar);
1592
1593 if (SvLEN (scalar))
1594 Safefree (SvPVX (scalar));
1595
1596 SvPVX (scalar) = (char *)addr;
1597 SvCUR_set (scalar, length);
1598 SvLEN_set (scalar, 0);
1599 SvPOK_only (scalar);
1600
1601 XSRETURN_YES;
1602}
1603
1604void
1605munmap (SV *scalar)
1606 CODE:
1607 sv_unmagic (scalar, MMAP_MAGIC);
1608
1278int 1609int
1279mlockall (int flags) 1610madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1280 PROTOTYPE: $ 1611 ALIAS:
1612 mprotect = 1
1281 CODE: 1613 CODE:
1614{
1615 STRLEN svlen;
1616 void *addr = SvPVbyte (scalar, svlen);
1617 size_t len = SvUV (length);
1618
1619 if (offset < 0)
1620 offset += svlen;
1621
1622 if (offset < 0 || offset > svlen)
1623 croak ("offset outside of scalar");
1624
1625 if (!SvOK (length) || len + offset > svlen)
1626 len = svlen - offset;
1627
1628 addr = (void *)(((intptr_t)addr) + offset);
1629 eio_page_align (&addr, &len);
1630
1631 switch (ix)
1632 {
1633 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1634 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1635 }
1636}
1637 OUTPUT:
1638 RETVAL
1639
1640int
1641munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1642 CODE:
1643{
1644 STRLEN svlen;
1645 void *addr = SvPVbyte (scalar, svlen);
1646 size_t len = SvUV (length);
1647
1648 if (offset < 0)
1649 offset += svlen;
1650
1651 if (offset < 0 || offset > svlen)
1652 croak ("offset outside of scalar");
1653
1654 if (!SvOK (length) || len + offset > svlen)
1655 len = svlen - offset;
1656
1657 addr = (void *)(((intptr_t)addr) + offset);
1658 eio_page_align (&addr, &len);
1282#if _POSIX_MEMLOCK 1659#if _POSIX_MEMLOCK_RANGE
1283#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1660 RETVAL = munlock (addr, len);
1284 extern int mallopt (int, int);
1285 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1286#endif
1287 mlockall (flags);
1288#else 1661#else
1289 RETVAL ＝-1; 1662 RETVAL = ((errno = ENOSYS), -1);
1290 errno = ENOSYS;
1291#endif 1663#endif
1664}
1292 OUTPUT: 1665 OUTPUT:
1293 RETVAL 1666 RETVAL
1294 1667
1295int 1668int
1296munlockall () 1669munlockall ()
1297 PROTOTYPE:
1298 CODE: 1670 CODE:
1299#if _POSIX_MEMLOCK 1671#if _POSIX_MEMLOCK
1300 munlockall (); 1672 munlockall ();
1301#else 1673#else
1302 RETVAL ＝-1; 1674 RETVAL = -1;
1303 errno = ENOSYS; 1675 errno = ENOSYS;
1304#endif 1676#endif
1305 OUTPUT: 1677 OUTPUT:
1306 RETVAL 1678 RETVAL
1307 1679

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