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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.163 by root, Sun Jan 10 23:44:02 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 || _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 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
178#endif 261#endif
179#ifndef MCL_FUTURE 262#ifndef S_IFCHR
180# 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
181#endif 282#endif
182 283
183#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 285# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 301# define MAP_POPULATE 0
201#endif 302#endif
202#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
203# 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)
204#endif 315#endif
205 316
206#ifndef PAGESIZE 317#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 319#endif
… …
304 } 415 }
305} 416}
306 417
307static int req_invoke (eio_req *req) 418static int req_invoke (eio_req *req)
308{ 419{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 420 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 421 SvREADONLY_off (req->sv2);
313 422
314 if (!EIO_CANCELLED (req) && req->callback) 423 if (!EIO_CANCELLED (req) && req->callback)
315 { 424 {
425 dSP;
426 static SV *sv_result_cache; /* caches the result integer SV */
427 SV *sv_result;
428
316 ENTER; 429 ENTER;
317 SAVETMPS; 430 SAVETMPS;
318 PUSHMARK (SP); 431 PUSHMARK (SP);
319 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 }
320 446
321 switch (req->type) 447 switch (req->type)
322 { 448 {
323 case EIO_READDIR: 449 case EIO_READDIR:
324 { 450 {
… …
469 case EIO_LSTAT: 595 case EIO_LSTAT:
470 case EIO_FSTAT: 596 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 597 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 598 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 599 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 600 PUSHs (sv_result);
475 break; 601 break;
476 602
477 case EIO_READ: 603 case EIO_READ:
478 { 604 {
479 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));
480 *SvEND (req->sv2) = 0; 606 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 607 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 608 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 609 PUSHs (sv_result);
484 } 610 }
485 break; 611 break;
486 612
487 case EIO_DUP2: 613 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 614 if (req->result > 0)
489 req->result = 0; 615 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 616 /* FALLTHROUGH */
491 617
492 default: 618 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 619 PUSHs (sv_result);
494 break; 620 break;
495 } 621 }
496 622
497 errno = req->errorno; 623 errno = req->errorno;
498 624
499 PUTBACK; 625 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 626 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 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;
502 633
503 FREETMPS; 634 FREETMPS;
504 LEAVE; 635 LEAVE;
505 636
506 PUTBACK; 637 PUTBACK;
… …
589#if !_POSIX_MAPPED_FILES 720#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 721# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 722# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 723#endif
593 724
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
594#define MMAP_MAGIC PERL_MAGIC_ext 734#define MMAP_MAGIC PERL_MAGIC_ext
595 735
596static int 736static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 737mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 738{
… …
601 errno = old_errno; 741 errno = old_errno;
602 742
603 mg->mg_obj = 0; /* just in case */ 743 mg->mg_obj = 0; /* just in case */
604 744
605 SvREADONLY_off (sv); 745 SvREADONLY_off (sv);
746
747 if (SvPVX (sv) != mg->mg_ptr)
748 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
749
606 SvCUR_set (sv, 0); 750 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 751 SvPVX (sv) = 0;
609 SvOK_off (sv); 752 SvOK_off (sv);
610 753
611 return 0; 754 return 0;
612} 755}
… …
662# define const_eio(name) { # name, (IV) EIO_ ## name }, 805# define const_eio(name) { # name, (IV) EIO_ ## name },
663 const_iv (EXDEV) 806 const_iv (EXDEV)
664 const_iv (ENOSYS) 807 const_iv (ENOSYS)
665 const_iv (O_RDONLY) 808 const_iv (O_RDONLY)
666 const_iv (O_WRONLY) 809 const_iv (O_WRONLY)
810 const_iv (O_RDWR)
667 const_iv (O_CREAT) 811 const_iv (O_CREAT)
668 const_iv (O_TRUNC) 812 const_iv (O_TRUNC)
669#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
670 const_iv (S_IFIFO) 832 const_iv (S_IFIFO)
671#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
672 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 842 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
673 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 843 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
674 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 844 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
675 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 845 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
676 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 846 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
677 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 847 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
848
849 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
850 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
851 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
852 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
853 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
678 854
679 const_iv (ST_RDONLY) 855 const_iv (ST_RDONLY)
680 const_iv (ST_NOSUID) 856 const_iv (ST_NOSUID)
681 const_iv (ST_NODEV) 857 const_iv (ST_NODEV)
682 const_iv (ST_NOEXEC) 858 const_iv (ST_NOEXEC)
… …
687 const_iv (ST_IMMUTABLE) 863 const_iv (ST_IMMUTABLE)
688 const_iv (ST_NOATIME) 864 const_iv (ST_NOATIME)
689 const_iv (ST_NODIRATIME) 865 const_iv (ST_NODIRATIME)
690 const_iv (ST_RELATIME) 866 const_iv (ST_RELATIME)
691 867
868 const_iv (PROT_NONE)
692 const_iv (PROT_EXEC) 869 const_iv (PROT_EXEC)
693 const_iv (PROT_NONE)
694 const_iv (PROT_READ) 870 const_iv (PROT_READ)
695 const_iv (PROT_WRITE) 871 const_iv (PROT_WRITE)
696 872
697 /*const_iv (MAP_FIXED)*/ 873 /*const_iv (MAP_FIXED)*/
698 const_iv (MAP_PRIVATE) 874 const_iv (MAP_PRIVATE)
… …
704 const_iv (MAP_LOCKED) 880 const_iv (MAP_LOCKED)
705 const_iv (MAP_NORESERVE) 881 const_iv (MAP_NORESERVE)
706 const_iv (MAP_POPULATE) 882 const_iv (MAP_POPULATE)
707 const_iv (MAP_NONBLOCK) 883 const_iv (MAP_NONBLOCK)
708 884
709 const_iv (MCL_FUTURE) 885 const_eio (MCL_FUTURE)
710 const_iv (MCL_CURRENT) 886 const_eio (MCL_CURRENT)
711 887
712 const_eio (MS_ASYNC) 888 const_eio (MS_ASYNC)
713 const_eio (MS_INVALIDATE) 889 const_eio (MS_INVALIDATE)
714 const_eio (MS_SYNC) 890 const_eio (MS_SYNC)
715 891
… …
752 /* atfork child called in fifo order, so before eio's handler */ 928 /* atfork child called in fifo order, so before eio's handler */
753 X_THREAD_ATFORK (0, 0, atfork_child); 929 X_THREAD_ATFORK (0, 0, atfork_child);
754} 930}
755 931
756void 932void
757max_poll_reqs (int nreqs) 933max_poll_reqs (unsigned int nreqs)
758 PROTOTYPE: $ 934 PROTOTYPE: $
759 CODE: 935 CODE:
760 eio_set_max_poll_reqs (nreqs); 936 eio_set_max_poll_reqs (nreqs);
761 937
762void 938void
… …
764 PROTOTYPE: $ 940 PROTOTYPE: $
765 CODE: 941 CODE:
766 eio_set_max_poll_time (nseconds); 942 eio_set_max_poll_time (nseconds);
767 943
768void 944void
769min_parallel (int nthreads) 945min_parallel (unsigned int nthreads)
770 PROTOTYPE: $ 946 PROTOTYPE: $
771 CODE: 947 CODE:
772 eio_set_min_parallel (nthreads); 948 eio_set_min_parallel (nthreads);
773 949
774void 950void
775max_parallel (int nthreads) 951max_parallel (unsigned int nthreads)
776 PROTOTYPE: $ 952 PROTOTYPE: $
777 CODE: 953 CODE:
778 eio_set_max_parallel (nthreads); 954 eio_set_max_parallel (nthreads);
779 955
780void 956void
781max_idle (int nthreads) 957max_idle (unsigned int nthreads)
782 PROTOTYPE: $ 958 PROTOTYPE: $
783 CODE: 959 CODE:
784 eio_set_max_idle (nthreads); 960 eio_set_max_idle (nthreads);
785 961
786void 962void
963idle_timeout (unsigned int seconds)
964 PROTOTYPE: $
965 CODE:
966 eio_set_idle_timeout (seconds);
967
968void
787max_outstanding (int maxreqs) 969max_outstanding (unsigned int maxreqs)
788 PROTOTYPE: $ 970 PROTOTYPE: $
789 CODE: 971 CODE:
790 max_outstanding = maxreqs; 972 max_outstanding = maxreqs;
791 973
792void 974void
793aio_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)
794 PROTOTYPE: $$$;$
795 PPCODE: 976 PPCODE:
796{ 977{
797 dREQ; 978 dREQ;
798 979
799 req->type = EIO_OPEN; 980 req->type = EIO_OPEN;
… …
805 REQ_SEND; 986 REQ_SEND;
806} 987}
807 988
808void 989void
809aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 990aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
810 PROTOTYPE: $;$
811 ALIAS: 991 ALIAS:
812 aio_fsync = EIO_FSYNC 992 aio_fsync = EIO_FSYNC
813 aio_fdatasync = EIO_FDATASYNC 993 aio_fdatasync = EIO_FDATASYNC
814 PPCODE: 994 PPCODE:
815{ 995{
… …
823 REQ_SEND (req); 1003 REQ_SEND (req);
824} 1004}
825 1005
826void 1006void
827aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1007aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
828 PROTOTYPE: $$$$;$
829 PPCODE: 1008 PPCODE:
830{ 1009{
831 int fd = s_fileno_croak (fh, 0); 1010 int fd = s_fileno_croak (fh, 0);
832 dREQ; 1011 dREQ;
833 1012
… …
841 REQ_SEND (req); 1020 REQ_SEND (req);
842} 1021}
843 1022
844void 1023void
845aio_close (SV *fh, SV *callback=&PL_sv_undef) 1024aio_close (SV *fh, SV *callback=&PL_sv_undef)
846 PROTOTYPE: $;$
847 PPCODE: 1025 PPCODE:
848{ 1026{
849 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1027 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
850 int fd = s_fileno_croak (fh, 0); 1028 int fd = s_fileno_croak (fh, 0);
851 dREQ; 1029 dREQ;
… …
873void 1051void
874aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1052aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
875 ALIAS: 1053 ALIAS:
876 aio_read = EIO_READ 1054 aio_read = EIO_READ
877 aio_write = EIO_WRITE 1055 aio_write = EIO_WRITE
878 PROTOTYPE: $$$$$;$
879 PPCODE: 1056 PPCODE:
880{ 1057{
881 STRLEN svlen; 1058 STRLEN svlen;
882 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1059 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
883 char *svptr = SvPVbyte (data, svlen); 1060 char *svptr = SvPVbyte (data, svlen);
… …
924 } 1101 }
925} 1102}
926 1103
927void 1104void
928aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1105aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
929 PROTOTYPE: $$;$
930 PPCODE: 1106 PPCODE:
931{ 1107{
932 SV *data; 1108 SV *data;
933 dREQ; 1109 dREQ;
934 1110
… …
939 REQ_SEND; 1115 REQ_SEND;
940} 1116}
941 1117
942void 1118void
943aio_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)
944 PROTOTYPE: $$$$;$
945 PPCODE: 1120 PPCODE:
946{ 1121{
947 int ifd = s_fileno_croak (in_fh , 0); 1122 int ifd = s_fileno_croak (in_fh , 0);
948 int ofd = s_fileno_croak (out_fh, 1); 1123 int ofd = s_fileno_croak (out_fh, 1);
949 dREQ; 1124 dREQ;
… …
959 REQ_SEND; 1134 REQ_SEND;
960} 1135}
961 1136
962void 1137void
963aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1138aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
964 PROTOTYPE: $$$;$
965 PPCODE: 1139 PPCODE:
966{ 1140{
967 int fd = s_fileno_croak (fh, 0); 1141 int fd = s_fileno_croak (fh, 0);
968 dREQ; 1142 dREQ;
969 1143
… …
1000 } 1174 }
1001 1175
1002 REQ_SEND; 1176 REQ_SEND;
1003} 1177}
1004 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
1005void 1195void
1006aio_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)
1007 PPCODE: 1197 PPCODE:
1008{ 1198{
1009 dREQ; 1199 dREQ;
… …
1170void 1360void
1171aio_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)
1172 ALIAS: 1362 ALIAS:
1173 aio_mtouch = EIO_MTOUCH 1363 aio_mtouch = EIO_MTOUCH
1174 aio_msync = EIO_MSYNC 1364 aio_msync = EIO_MSYNC
1175 PROTOTYPE: $$$$;$
1176 PPCODE: 1365 PPCODE:
1177{ 1366{
1178 STRLEN svlen; 1367 STRLEN svlen;
1368 char *svptr = SvPVbyte (data, svlen);
1179 UV len = SvUV (length); 1369 UV len = SvUV (length);
1180 char *svptr = SvPVbyte (data, svlen);
1181 1370
1182 if (offset < 0) 1371 if (offset < 0)
1183 offset += svlen; 1372 offset += svlen;
1184 1373
1185 if (offset < 0 || offset > svlen) 1374 if (offset < 0 || offset > svlen)
… …
1190 1379
1191 { 1380 {
1192 dREQ; 1381 dREQ;
1193 1382
1194 req->type = ix; 1383 req->type = ix;
1195 req->size = len;
1196 req->sv2 = SvREFCNT_inc (data); 1384 req->sv2 = SvREFCNT_inc (data);
1197 req->ptr2 = (char *)svptr + offset; 1385 req->ptr2 = (char *)svptr + offset;
1386 req->size = len;
1198 req->int1 = flags; 1387 req->int1 = flags;
1199 1388
1200 REQ_SEND; 1389 REQ_SEND;
1201 } 1390 }
1202} 1391}
1203 1392
1204void 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
1205aio_busy (double delay, SV *callback=&PL_sv_undef) 1435aio_busy (double delay, SV *callback=&PL_sv_undef)
1206 PPCODE: 1436 PPCODE:
1207{ 1437{
1208 dREQ; 1438 dREQ;
1209 1439
… …
1213 REQ_SEND; 1443 REQ_SEND;
1214} 1444}
1215 1445
1216void 1446void
1217aio_group (SV *callback=&PL_sv_undef) 1447aio_group (SV *callback=&PL_sv_undef)
1218 PROTOTYPE: ;$
1219 PPCODE: 1448 PPCODE:
1220{ 1449{
1221 dREQ; 1450 dREQ;
1222 1451
1223 req->type = EIO_GROUP; 1452 req->type = EIO_GROUP;
… …
1240 REQ_SEND; 1469 REQ_SEND;
1241} 1470}
1242 1471
1243int 1472int
1244aioreq_pri (int pri = 0) 1473aioreq_pri (int pri = 0)
1245 PROTOTYPE: ;$
1246 CODE: 1474 CODE:
1247 RETVAL = next_pri; 1475 RETVAL = next_pri;
1248 if (items > 0) 1476 if (items > 0)
1249 { 1477 {
1250 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1478 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1262 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1490 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1263 next_pri = nice; 1491 next_pri = nice;
1264 1492
1265void 1493void
1266flush () 1494flush ()
1267 PROTOTYPE:
1268 CODE: 1495 CODE:
1269 while (eio_nreqs ()) 1496 while (eio_nreqs ())
1270 { 1497 {
1271 poll_wait (); 1498 poll_wait ();
1272 poll_cb (); 1499 poll_cb ();
1273 } 1500 }
1274 1501
1275int 1502int
1276poll() 1503poll ()
1277 PROTOTYPE:
1278 CODE: 1504 CODE:
1279 poll_wait (); 1505 poll_wait ();
1280 RETVAL = poll_cb (); 1506 RETVAL = poll_cb ();
1281 OUTPUT: 1507 OUTPUT:
1282 RETVAL 1508 RETVAL
1283 1509
1284int 1510int
1285poll_fileno() 1511poll_fileno ()
1286 PROTOTYPE:
1287 CODE: 1512 CODE:
1288 RETVAL = s_epipe_fd (&respipe); 1513 RETVAL = s_epipe_fd (&respipe);
1289 OUTPUT: 1514 OUTPUT:
1290 RETVAL 1515 RETVAL
1291 1516
1292int 1517int
1293poll_cb(...) 1518poll_cb (...)
1294 PROTOTYPE: 1519 PROTOTYPE:
1295 CODE: 1520 CODE:
1296 RETVAL = poll_cb (); 1521 RETVAL = poll_cb ();
1297 OUTPUT: 1522 OUTPUT:
1298 RETVAL 1523 RETVAL
1299 1524
1300void 1525void
1301poll_wait() 1526poll_wait ()
1302 PROTOTYPE:
1303 CODE: 1527 CODE:
1304 poll_wait (); 1528 poll_wait ();
1305 1529
1306int 1530int
1307nreqs() 1531nreqs ()
1308 PROTOTYPE:
1309 CODE: 1532 CODE:
1310 RETVAL = eio_nreqs (); 1533 RETVAL = eio_nreqs ();
1311 OUTPUT: 1534 OUTPUT:
1312 RETVAL 1535 RETVAL
1313 1536
1314int 1537int
1315nready() 1538nready ()
1316 PROTOTYPE:
1317 CODE: 1539 CODE:
1318 RETVAL = eio_nready (); 1540 RETVAL = eio_nready ();
1319 OUTPUT: 1541 OUTPUT:
1320 RETVAL 1542 RETVAL
1321 1543
1322int 1544int
1323npending() 1545npending ()
1324 PROTOTYPE:
1325 CODE: 1546 CODE:
1326 RETVAL = eio_npending (); 1547 RETVAL = eio_npending ();
1327 OUTPUT: 1548 OUTPUT:
1328 RETVAL 1549 RETVAL
1329 1550
1330int 1551int
1331nthreads() 1552nthreads ()
1332 PROTOTYPE:
1333 CODE: 1553 CODE:
1334 RETVAL = eio_nthreads (); 1554 RETVAL = eio_nthreads ();
1335 OUTPUT: 1555 OUTPUT:
1336 RETVAL 1556 RETVAL
1337 1557
1338int 1558int
1339fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1559fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1340 PROTOTYPE: $$$$
1341 CODE: 1560 CODE:
1342#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1343 RETVAL = posix_fadvise (fh, offset, length, advice); 1561 RETVAL = posix_fadvise (fh, offset, length, advice);
1344#else
1345 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1346#endif
1347 OUTPUT: 1562 OUTPUT:
1348 RETVAL 1563 RETVAL
1349 1564
1350ssize_t 1565ssize_t
1351sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1566sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1352 PROTOTYPE: $$$$
1353 CODE: 1567 CODE:
1354 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1568 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1355 OUTPUT: 1569 OUTPUT:
1356 RETVAL 1570 RETVAL
1357 1571
1358void 1572void
1359mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1573mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1360 PROTOTYPE: $$$$$;$
1361 PPCODE: 1574 PPCODE:
1362 sv_unmagic (scalar, MMAP_MAGIC); 1575 sv_unmagic (scalar, MMAP_MAGIC);
1363{ 1576{
1364 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1577 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1365 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1578 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1366 if (addr == (void *)-1) 1579 if (addr == (void *)-1)
1367 XSRETURN_NO; 1580 XSRETURN_NO;
1368 1581
1582 sv_force_normal (scalar);
1583
1369 /* we store the length in mg_obj, as namlen is I32 :/ */ 1584 /* we store the length in mg_obj, as namlen is I32 :/ */
1370 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1585 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1371 ->mg_obj = (SV *)length; 1586 ->mg_obj = (SV *)length;
1372 1587
1373 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1588 SvUPGRADE (scalar, SVt_PV); /* nop... */
1589
1374 if (!(prot & PROT_WRITE)) 1590 if (!(prot & PROT_WRITE))
1375 SvREADONLY_on (scalar); 1591 SvREADONLY_on (scalar);
1592
1593 if (SvLEN (scalar))
1594 Safefree (SvPVX (scalar));
1376 1595
1377 SvPVX (scalar) = (char *)addr; 1596 SvPVX (scalar) = (char *)addr;
1378 SvCUR_set (scalar, length); 1597 SvCUR_set (scalar, length);
1379 SvLEN_set (scalar, 0); 1598 SvLEN_set (scalar, 0);
1380 SvPOK_only (scalar); 1599 SvPOK_only (scalar);
… …
1382 XSRETURN_YES; 1601 XSRETURN_YES;
1383} 1602}
1384 1603
1385void 1604void
1386munmap (SV *scalar) 1605munmap (SV *scalar)
1387 PROTOTYPE: $
1388 CODE: 1606 CODE:
1389 sv_unmagic (scalar, MMAP_MAGIC); 1607 sv_unmagic (scalar, MMAP_MAGIC);
1390 1608
1391int 1609int
1392mlockall (int flags) 1610madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1393 PROTOTYPE: $ 1611 ALIAS:
1612 mprotect = 1
1394 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);
1395#if _POSIX_MEMLOCK 1659#if _POSIX_MEMLOCK_RANGE
1396#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1660 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 1661#else
1402 RETVAL = -1; 1662 RETVAL = ((errno = ENOSYS), -1);
1403 errno = ENOSYS;
1404#endif 1663#endif
1664}
1405 OUTPUT: 1665 OUTPUT:
1406 RETVAL 1666 RETVAL
1407 1667
1408int 1668int
1409munlockall () 1669munlockall ()
1410 PROTOTYPE:
1411 CODE: 1670 CODE:
1412#if _POSIX_MEMLOCK 1671#if _POSIX_MEMLOCK
1413 munlockall (); 1672 munlockall ();
1414#else 1673#else
1415 RETVAL = -1; 1674 RETVAL = -1;

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