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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.162 by root, Sun Jan 10 23:05:12 2010 UTC vs.
Revision 1.183 by root, Tue Jul 5 09:24:11 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 || _POSIX_MAPPED_FILES 21#if _POSIX_MEMLOCK || _POSIX_MEMLOCK_RANGE || _POSIX_MAPPED_FILES
22# include <sys/mman.h> 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 23#endif
29 24
30/* perl namespace pollution */ 25/* perl namespace pollution */
31#undef VERSION 26#undef VERSION
32 27
… …
123 STRLEN stroffset; \ 118 STRLEN stroffset; \
124 SV *self; 119 SV *self;
125 120
126#define EIO_NO_WRAPPERS 1 121#define EIO_NO_WRAPPERS 1
127 122
123#include "libeio/config.h"
128#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
129 171
130#ifndef POSIX_FADV_NORMAL 172#ifndef POSIX_FADV_NORMAL
131# define POSIX_FADV_NORMAL 0 173# define POSIX_FADV_NORMAL 0
132# define NO_FADVISE 1
133#endif 174#endif
134#ifndef POSIX_FADV_SEQUENTIAL 175#ifndef POSIX_FADV_SEQUENTIAL
135# define POSIX_FADV_SEQUENTIAL 0 176# define POSIX_FADV_SEQUENTIAL 0
136#endif 177#endif
137#ifndef POSIX_FADV_RANDOM 178#ifndef POSIX_FADV_RANDOM
… …
145#endif 186#endif
146#ifndef POSIX_FADV_DONTNEED 187#ifndef POSIX_FADV_DONTNEED
147# define POSIX_FADV_DONTNEED 0 188# define POSIX_FADV_DONTNEED 0
148#endif 189#endif
149 190
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
150#ifndef ST_NODEV 228#ifndef ST_NODEV
151# define ST_NODEV 0 229# define ST_NODEV 0
152#endif 230#endif
153#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
154# define ST_NOEXEC 0 232# define ST_NOEXEC 0
… …
176#endif 254#endif
177#ifndef ST_RELATIME 255#ifndef ST_RELATIME
178# define ST_RELATIME 0 256# define ST_RELATIME 0
179#endif 257#endif
180 258
181#ifndef MCL_CURRENT 259#ifndef S_IFIFO
182# define MCL_CURRENT 0 260# define S_IFIFO 0
183#endif 261#endif
184#ifndef MCL_FUTURE 262#ifndef S_IFCHR
185# define MCL_FUTURE 0 263# 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
186#endif 282#endif
187 283
188#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
189# ifdef MAP_ANON 285# ifdef MAP_ANON
190# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
… …
204#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
205# define MAP_POPULATE 0 301# define MAP_POPULATE 0
206#endif 302#endif
207#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
208# define MAP_NONBLOCK 0 304# 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)
209#endif 315#endif
210 316
211#ifndef PAGESIZE 317#ifndef PAGESIZE
212# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
213#endif 319#endif
… …
309 } 415 }
310} 416}
311 417
312static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
313{ 419{
314 dSP;
315
316 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
317 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
318 422
319 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
320 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
321 ENTER; 429 ENTER;
322 SAVETMPS; 430 SAVETMPS;
323 PUSHMARK (SP); 431 PUSHMARK (SP);
324 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 }
325 446
326 switch (req->type) 447 switch (req->type)
327 { 448 {
328 case EIO_READDIR: 449 case EIO_READDIR:
329 { 450 {
… …
464 case EIO_NOP: 585 case EIO_NOP:
465 case EIO_BUSY: 586 case EIO_BUSY:
466 break; 587 break;
467 588
468 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
469 if (req->result > 0) 591 if (req->result > 0)
470 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
471 break; 593 break;
472 594
473 case EIO_STAT: 595 case EIO_STAT:
474 case EIO_LSTAT: 596 case EIO_LSTAT:
475 case EIO_FSTAT: 597 case EIO_FSTAT:
476 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 598 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
477 PL_laststatval = req->result; 599 PL_laststatval = req->result;
478 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 600 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
479 PUSHs (sv_2mortal (newSViv (req->result))); 601 PUSHs (sv_result);
480 break; 602 break;
481 603
482 case EIO_READ: 604 case EIO_READ:
483 { 605 {
484 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 606 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
485 *SvEND (req->sv2) = 0; 607 *SvEND (req->sv2) = 0;
486 SvPOK_only (req->sv2); 608 SvPOK_only (req->sv2);
487 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
488 PUSHs (sv_2mortal (newSViv (req->result))); 610 PUSHs (sv_result);
489 } 611 }
490 break; 612 break;
491 613
492 case EIO_DUP2: 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
493 if (req->result > 0) 615 if (req->result > 0)
494 req->result = 0; 616 SvIV_set (sv_result, 0);
495 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
496 618
497 default: 619 default:
498 PUSHs (sv_2mortal (newSViv (req->result))); 620 PUSHs (sv_result);
499 break; 621 break;
500 } 622 }
501 623
502 errno = req->errorno; 624 errno = req->errorno;
503 625
504 PUTBACK; 626 PUTBACK;
505 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 627 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
506 SPAGAIN; 628 SPAGAIN;
629
630 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
631 SvREFCNT_dec (sv_result);
632 else
633 sv_result_cache = sv_result;
507 634
508 FREETMPS; 635 FREETMPS;
509 LEAVE; 636 LEAVE;
510 637
511 PUTBACK; 638 PUTBACK;
… …
589 create_respipe (); 716 create_respipe ();
590} 717}
591 718
592/*****************************************************************************/ 719/*****************************************************************************/
593 720
721#if !_POSIX_MAPPED_FILES
722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
723# define munmap(addr,length) (errno = ENOSYS, -1)
724#endif
725
726#if !_POSIX_MEMORY_PROTECTION
727# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
728# define PROT_NONE 0
729# define PROT_WRITE 0
730# define MAP_PRIVATE 0
731# define MAP_SHARED 0
732# define MAP_FIXED 0
733#endif
734
594#define MMAP_MAGIC PERL_MAGIC_ext 735#define MMAP_MAGIC PERL_MAGIC_ext
595 736
596static int 737static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 738mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 739{
… …
601 errno = old_errno; 742 errno = old_errno;
602 743
603 mg->mg_obj = 0; /* just in case */ 744 mg->mg_obj = 0; /* just in case */
604 745
605 SvREADONLY_off (sv); 746 SvREADONLY_off (sv);
747
748 if (SvPVX (sv) != mg->mg_ptr)
749 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
750
606 SvCUR_set (sv, 0); 751 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 752 SvPVX (sv) = 0;
609 SvOK_off (sv); 753 SvOK_off (sv);
610 754
611 return 0; 755 return 0;
612} 756}
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 806# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 807 const_iv (EXDEV)
664 const_iv (ENOSYS) 808 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 809 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 810 const_iv (O_WRONLY)
811 const_iv (O_RDWR)
667 const_iv (O_CREAT) 812 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 813 const_iv (O_TRUNC)
669#ifndef _WIN32 814 const_iv (O_EXCL)
815 const_iv (O_APPEND)
816
817 const_iv (O_ASYNC)
818 const_iv (O_DIRECT)
819 const_iv (O_NOATIME)
820
821 const_iv (O_CLOEXEC)
822 const_iv (O_NOCTTY)
823 const_iv (O_NOFOLLOW)
824 const_iv (O_NONBLOCK)
825 const_iv (O_EXEC)
826 const_iv (O_SEARCH)
827 const_iv (O_DIRECTORY)
828 const_iv (O_DSYNC)
829 const_iv (O_RSYNC)
830 const_iv (O_SYNC)
831 const_iv (O_TTY_INIT)
832
670 const_iv (S_IFIFO) 833 const_iv (S_IFIFO)
671#endif 834 const_iv (S_IFCHR)
835 const_iv (S_IFBLK)
836 const_iv (S_IFLNK)
837 const_iv (S_IFREG)
838 const_iv (S_IFDIR)
839 const_iv (S_IFWHT)
840 const_iv (S_IFSOCK)
841 const_iv (S_IFMT)
842
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 848 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
849
850 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
851 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
852 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
853 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
854 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 855
679 const_iv (ST_RDONLY) 856 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 857 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 858 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 859 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 864 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 865 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 866 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 867 const_iv (ST_RELATIME)
691 868
869 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 870 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 871 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 872 const_iv (PROT_WRITE)
696 873
697 /*const_iv (MAP_FIXED)*/ 874 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 875 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 881 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 882 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 883 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 884 const_iv (MAP_NONBLOCK)
708 885
709 const_iv (MCL_FUTURE) 886 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 887 const_eio (MCL_CURRENT)
711 888
712 const_eio (MS_ASYNC) 889 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 890 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 891 const_eio (MS_SYNC)
715 892
… …
752 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
754} 931}
755 932
756void 933void
757max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 935 PROTOTYPE: $
759 CODE: 936 CODE:
760 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
761 938
762void 939void
… …
764 PROTOTYPE: $ 941 PROTOTYPE: $
765 CODE: 942 CODE:
766 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
767 944
768void 945void
769min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 947 PROTOTYPE: $
771 CODE: 948 CODE:
772 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
773 950
774void 951void
775max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 953 PROTOTYPE: $
777 CODE: 954 CODE:
778 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
779 956
780void 957void
781max_idle (int nthreads) 958max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 959 PROTOTYPE: $
783 CODE: 960 CODE:
784 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
785 962
786void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
787max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 971 PROTOTYPE: $
789 CODE: 972 CODE:
790 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
791 974
792void 975void
793aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 976aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
794 PROTOTYPE: $$$;$
795 PPCODE: 977 PPCODE:
796{ 978{
797 dREQ; 979 dREQ;
798 980
799 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
… …
805 REQ_SEND; 987 REQ_SEND;
806} 988}
807 989
808void 990void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 992 ALIAS:
812 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 995 PPCODE:
815{ 996{
… …
823 REQ_SEND (req); 1004 REQ_SEND (req);
824} 1005}
825 1006
826void 1007void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1009 PPCODE:
830{ 1010{
831 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1012 dREQ;
833 1013
… …
841 REQ_SEND (req); 1021 REQ_SEND (req);
842} 1022}
843 1023
844void 1024void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1026 PPCODE:
848{ 1027{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1029 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1030 dREQ;
… …
873void 1052void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1054 ALIAS:
876 aio_read = EIO_READ 1055 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1056 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1057 PPCODE:
880{ 1058{
881 STRLEN svlen; 1059 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1060 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1061 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1102 }
925} 1103}
926 1104
927void 1105void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$ 1107 ALIAS:
1108 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH
930 PPCODE: 1110 PPCODE:
931{ 1111{
932 SV *data; 1112 SV *data;
933 dREQ; 1113 dREQ;
934 1114
935 req->type = EIO_READLINK; 1115 req->type = ix;
936 req->sv1 = newSVsv (path); 1116 req->sv1 = newSVsv (path);
937 req->ptr1 = SvPVbyte_nolen (req->sv1); 1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
938 1118
939 REQ_SEND; 1119 REQ_SEND;
940} 1120}
941 1121
942void 1122void
943aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1123aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1124 PPCODE:
946{ 1125{
947 int ifd = s_fileno_croak (in_fh , 0); 1126 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1127 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1128 dREQ;
… …
959 REQ_SEND; 1138 REQ_SEND;
960} 1139}
961 1140
962void 1141void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1143 PPCODE:
966{ 1144{
967 int fd = s_fileno_croak (fh, 0); 1145 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1146 dREQ;
969 1147
… …
1000 } 1178 }
1001 1179
1002 REQ_SEND; 1180 REQ_SEND;
1003} 1181}
1004 1182
1183UV
1184major (UV dev)
1185 ALIAS:
1186 minor = 1
1187 CODE:
1188 RETVAL = ix ? major (dev) : minor (dev);
1189 OUTPUT:
1190 RETVAL
1191
1192UV
1193makedev (UV maj, UV min)
1194 CODE:
1195 RETVAL = makedev (maj, min);
1196 OUTPUT:
1197 RETVAL
1198
1005void 1199void
1006aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1200aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1007 PPCODE: 1201 PPCODE:
1008{ 1202{
1009 dREQ; 1203 dREQ;
… …
1170void 1364void
1171aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1365aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1172 ALIAS: 1366 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1367 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1368 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1369 PPCODE:
1177{ 1370{
1178 STRLEN svlen; 1371 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1373 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1374
1182 if (offset < 0) 1375 if (offset < 0)
1183 offset += svlen; 1376 offset += svlen;
1184 1377
1185 if (offset < 0 || offset > svlen) 1378 if (offset < 0 || offset > svlen)
… …
1190 1383
1191 { 1384 {
1192 dREQ; 1385 dREQ;
1193 1386
1194 req->type = ix; 1387 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1388 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1389 req->ptr2 = (char *)svptr + offset;
1390 req->size = len;
1198 req->int1 = flags; 1391 req->int1 = flags;
1199 1392
1200 REQ_SEND; 1393 REQ_SEND;
1201 } 1394 }
1202} 1395}
1203 1396
1204void 1397void
1398aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1399 PPCODE:
1400{
1401 STRLEN svlen;
1402 char *svptr = SvPVbyte (data, svlen);
1403 UV len = SvUV (length);
1404
1405 if (offset < 0)
1406 offset += svlen;
1407
1408 if (offset < 0 || offset > svlen)
1409 croak ("offset outside of scalar");
1410
1411 if (!SvOK (length) || len + offset > svlen)
1412 len = svlen - offset;
1413
1414 {
1415 dREQ;
1416
1417 req->type = EIO_MLOCK;
1418 req->sv2 = SvREFCNT_inc (data);
1419 req->ptr2 = (char *)svptr + offset;
1420 req->size = len;
1421
1422 REQ_SEND;
1423 }
1424}
1425
1426void
1427aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1428 PPCODE:
1429{
1430 dREQ;
1431
1432 req->type = EIO_MLOCKALL;
1433 req->int1 = flags;
1434
1435 REQ_SEND;
1436}
1437
1438void
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1439aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1440 PPCODE:
1207{ 1441{
1208 dREQ; 1442 dREQ;
1209 1443
… …
1213 REQ_SEND; 1447 REQ_SEND;
1214} 1448}
1215 1449
1216void 1450void
1217aio_group (SV *callback=&PL_sv_undef) 1451aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1452 PPCODE:
1220{ 1453{
1221 dREQ; 1454 dREQ;
1222 1455
1223 req->type = EIO_GROUP; 1456 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1473 REQ_SEND;
1241} 1474}
1242 1475
1243int 1476int
1244aioreq_pri (int pri = 0) 1477aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1478 CODE:
1247 RETVAL = next_pri; 1479 RETVAL = next_pri;
1248 if (items > 0) 1480 if (items > 0)
1249 { 1481 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1494 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1495 next_pri = nice;
1264 1496
1265void 1497void
1266flush () 1498flush ()
1267 PROTOTYPE:
1268 CODE: 1499 CODE:
1269 while (eio_nreqs ()) 1500 while (eio_nreqs ())
1270 { 1501 {
1271 poll_wait (); 1502 poll_wait ();
1272 poll_cb (); 1503 poll_cb ();
1273 } 1504 }
1274 1505
1275int 1506int
1276poll() 1507poll ()
1277 PROTOTYPE:
1278 CODE: 1508 CODE:
1279 poll_wait (); 1509 poll_wait ();
1280 RETVAL = poll_cb (); 1510 RETVAL = poll_cb ();
1281 OUTPUT: 1511 OUTPUT:
1282 RETVAL 1512 RETVAL
1283 1513
1284int 1514int
1285poll_fileno() 1515poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1516 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1517 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1518 OUTPUT:
1290 RETVAL 1519 RETVAL
1291 1520
1292int 1521int
1293poll_cb(...) 1522poll_cb (...)
1294 PROTOTYPE: 1523 PROTOTYPE:
1295 CODE: 1524 CODE:
1296 RETVAL = poll_cb (); 1525 RETVAL = poll_cb ();
1297 OUTPUT: 1526 OUTPUT:
1298 RETVAL 1527 RETVAL
1299 1528
1300void 1529void
1301poll_wait() 1530poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1531 CODE:
1304 poll_wait (); 1532 poll_wait ();
1305 1533
1306int 1534int
1307nreqs() 1535nreqs ()
1308 PROTOTYPE:
1309 CODE: 1536 CODE:
1310 RETVAL = eio_nreqs (); 1537 RETVAL = eio_nreqs ();
1311 OUTPUT: 1538 OUTPUT:
1312 RETVAL 1539 RETVAL
1313 1540
1314int 1541int
1315nready() 1542nready ()
1316 PROTOTYPE:
1317 CODE: 1543 CODE:
1318 RETVAL = eio_nready (); 1544 RETVAL = eio_nready ();
1319 OUTPUT: 1545 OUTPUT:
1320 RETVAL 1546 RETVAL
1321 1547
1322int 1548int
1323npending() 1549npending ()
1324 PROTOTYPE:
1325 CODE: 1550 CODE:
1326 RETVAL = eio_npending (); 1551 RETVAL = eio_npending ();
1327 OUTPUT: 1552 OUTPUT:
1328 RETVAL 1553 RETVAL
1329 1554
1330int 1555int
1331nthreads() 1556nthreads ()
1332 PROTOTYPE:
1333 CODE: 1557 CODE:
1334 RETVAL = eio_nthreads (); 1558 RETVAL = eio_nthreads ();
1335 OUTPUT: 1559 OUTPUT:
1336 RETVAL 1560 RETVAL
1337 1561
1338int 1562int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1563fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1564 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1565 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1566 OUTPUT:
1348 RETVAL 1567 RETVAL
1349 1568
1350ssize_t 1569ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1571 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1573 OUTPUT:
1356 RETVAL 1574 RETVAL
1357 1575
1358void 1576void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1578 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1579 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1580{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1583 if (addr == (void *)-1)
1367 XSRETURN_NO; 1584 XSRETURN_NO;
1368 1585
1586 sv_force_normal (scalar);
1587
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1588 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1589 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1590 ->mg_obj = (SV *)length;
1372 1591
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1592 SvUPGRADE (scalar, SVt_PV); /* nop... */
1593
1374 if (!(prot & PROT_WRITE)) 1594 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1595 SvREADONLY_on (scalar);
1596
1597 if (SvLEN (scalar))
1598 Safefree (SvPVX (scalar));
1376 1599
1377 SvPVX (scalar) = (char *)addr; 1600 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1601 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1602 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1603 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1605 XSRETURN_YES;
1383} 1606}
1384 1607
1385void 1608void
1386munmap (SV *scalar) 1609munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1610 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1611 sv_unmagic (scalar, MMAP_MAGIC);
1390 1612
1391int 1613int
1392mlockall (int flags) 1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1615 ALIAS:
1616 mprotect = 1
1394 CODE: 1617 CODE:
1618{
1619 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length);
1622
1623 if (offset < 0)
1624 offset += svlen;
1625
1626 if (offset < 0 || offset > svlen)
1627 croak ("offset outside of scalar");
1628
1629 if (!SvOK (length) || len + offset > svlen)
1630 len = svlen - offset;
1631
1632 addr = (void *)(((intptr_t)addr) + offset);
1633 eio_page_align (&addr, &len);
1634
1635 switch (ix)
1636 {
1637 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1638 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1639 }
1640}
1641 OUTPUT:
1642 RETVAL
1643
1644int
1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1646 CODE:
1647{
1648 STRLEN svlen;
1649 void *addr = SvPVbyte (scalar, svlen);
1650 size_t len = SvUV (length);
1651
1652 if (offset < 0)
1653 offset += svlen;
1654
1655 if (offset < 0 || offset > svlen)
1656 croak ("offset outside of scalar");
1657
1658 if (!SvOK (length) || len + offset > svlen)
1659 len = svlen - offset;
1660
1661 addr = (void *)(((intptr_t)addr) + offset);
1662 eio_page_align (&addr, &len);
1395#if _POSIX_MEMLOCK 1663#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1664 RETVAL = munlock (addr, len);
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 1665#else
1402 RETVAL = -1; 1666 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1667#endif
1668}
1405 OUTPUT: 1669 OUTPUT:
1406 RETVAL 1670 RETVAL
1407 1671
1408int 1672int
1409munlockall () 1673munlockall ()
1410 PROTOTYPE:
1411 CODE: 1674 CODE:
1412#if _POSIX_MEMLOCK 1675#if _POSIX_MEMLOCK
1413 munlockall (); 1676 munlockall ();
1414#else 1677#else
1415 RETVAL = -1; 1678 RETVAL = -1;

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