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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.164 by root, Tue May 4 21:14:01 2010 UTC vs.
Revision 1.181 by root, Tue Feb 15 03:21:41 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"
124 125
125#ifndef POSIX_FADV_NORMAL 126#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 127# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 128#endif
129#ifndef POSIX_FADV_SEQUENTIAL 129#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 130# define POSIX_FADV_SEQUENTIAL 0
131#endif 131#endif
132#ifndef POSIX_FADV_RANDOM 132#ifndef POSIX_FADV_RANDOM
… …
140#endif 140#endif
141#ifndef POSIX_FADV_DONTNEED 141#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 142# define POSIX_FADV_DONTNEED 0
143#endif 143#endif
144 144
145#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif
148
149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0
151#endif
152#ifndef POSIX_MADV_SEQUENTIAL
153# define POSIX_MADV_SEQUENTIAL 0
154#endif
155#ifndef POSIX_MADV_RANDOM
156# define POSIX_MADV_RANDOM 0
157#endif
158#ifndef POSIX_MADV_WILLNEED
159# define POSIX_MADV_WILLNEED 0
160#endif
161#ifndef POSIX_MADV_DONTNEED
162# define POSIX_MADV_DONTNEED 0
163#endif
164
165#if !HAVE_POSIX_MADVISE
166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
167#endif
168
169#ifndef PROT_NONE
170# define PROT_NONE 0
171#endif
172#ifndef PROT_READ
173# define PROT_READ 0
174#endif
175#ifndef PROT_WRITE
176# define PROT_READ 0
177#endif
178#ifndef PROT_EXEC
179# define PROT_EXEC 0
180#endif
181
145#ifndef ST_NODEV 182#ifndef ST_NODEV
146# define ST_NODEV 0 183# define ST_NODEV 0
147#endif 184#endif
148#ifndef ST_NOEXEC 185#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 186# define ST_NOEXEC 0
… …
171#endif 208#endif
172#ifndef ST_RELATIME 209#ifndef ST_RELATIME
173# define ST_RELATIME 0 210# define ST_RELATIME 0
174#endif 211#endif
175 212
176#ifndef MCL_CURRENT 213#ifndef S_IFIFO
177# define MCL_CURRENT 0 214# define S_IFIFO 0
178#endif 215#endif
179#ifndef MCL_FUTURE 216#ifndef S_IFCHR
180# define MCL_FUTURE 0 217# define S_IFCHR 0
218#endif
219#ifndef S_IFBLK
220# define S_IFBLK 0
221#endif
222#ifndef S_IFLNK
223# define S_IFLNK 0
224#endif
225#ifndef S_IFREG
226# define S_IFREG 0
227#endif
228#ifndef S_IFDIR
229# define S_IFDIR 0
230#endif
231#ifndef S_IFWHT
232# define S_IFWHT 0
233#endif
234#ifndef S_IFSOCK
235# define S_IFSOCK 0
181#endif 236#endif
182 237
183#ifndef MAP_ANONYMOUS 238#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 239# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 240# define MAP_ANONYMOUS MAP_ANON
… …
199#ifndef MAP_POPULATE 254#ifndef MAP_POPULATE
200# define MAP_POPULATE 0 255# define MAP_POPULATE 0
201#endif 256#endif
202#ifndef MAP_NONBLOCK 257#ifndef MAP_NONBLOCK
203# define MAP_NONBLOCK 0 258# define MAP_NONBLOCK 0
259#endif
260
261#ifndef makedev
262# define makedev(maj,min) (((maj) << 8) | (min))
263#endif
264#ifndef major
265# define major(dev) ((dev) >> 8)
266#endif
267#ifndef minor
268# define minor(dev) ((dev) & 0xff)
204#endif 269#endif
205 270
206#ifndef PAGESIZE 271#ifndef PAGESIZE
207# define PAGESIZE sysconf (_SC_PAGESIZE) 272# define PAGESIZE sysconf (_SC_PAGESIZE)
208#endif 273#endif
… …
304 } 369 }
305} 370}
306 371
307static int req_invoke (eio_req *req) 372static int req_invoke (eio_req *req)
308{ 373{
309 dSP;
310
311 if (req->flags & FLAG_SV2_RO_OFF) 374 if (req->flags & FLAG_SV2_RO_OFF)
312 SvREADONLY_off (req->sv2); 375 SvREADONLY_off (req->sv2);
313 376
314 if (!EIO_CANCELLED (req) && req->callback) 377 if (!EIO_CANCELLED (req) && req->callback)
315 { 378 {
379 dSP;
380 static SV *sv_result_cache; /* caches the result integer SV */
381 SV *sv_result;
382
316 ENTER; 383 ENTER;
317 SAVETMPS; 384 SAVETMPS;
318 PUSHMARK (SP); 385 PUSHMARK (SP);
319 EXTEND (SP, 1); 386 EXTEND (SP, 1);
387
388 /* do not recreate the result IV from scratch each time */
389 if (expect_true (sv_result_cache))
390 {
391 sv_result = sv_result_cache; sv_result_cache = 0;
392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
394 }
395 else
396 {
397 sv_result = newSViv (req->result);
398 SvREADONLY_on (sv_result);
399 }
320 400
321 switch (req->type) 401 switch (req->type)
322 { 402 {
323 case EIO_READDIR: 403 case EIO_READDIR:
324 { 404 {
… …
469 case EIO_LSTAT: 549 case EIO_LSTAT:
470 case EIO_FSTAT: 550 case EIO_FSTAT:
471 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; 551 PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT;
472 PL_laststatval = req->result; 552 PL_laststatval = req->result;
473 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); 553 PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2);
474 PUSHs (sv_2mortal (newSViv (req->result))); 554 PUSHs (sv_result);
475 break; 555 break;
476 556
477 case EIO_READ: 557 case EIO_READ:
478 { 558 {
479 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); 559 SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0));
480 *SvEND (req->sv2) = 0; 560 *SvEND (req->sv2) = 0;
481 SvPOK_only (req->sv2); 561 SvPOK_only (req->sv2);
482 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
483 PUSHs (sv_2mortal (newSViv (req->result))); 563 PUSHs (sv_result);
484 } 564 }
485 break; 565 break;
486 566
487 case EIO_DUP2: 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
488 if (req->result > 0) 568 if (req->result > 0)
489 req->result = 0; 569 SvIV_set (sv_result, 0);
490 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
491 571
492 default: 572 default:
493 PUSHs (sv_2mortal (newSViv (req->result))); 573 PUSHs (sv_result);
494 break; 574 break;
495 } 575 }
496 576
497 errno = req->errorno; 577 errno = req->errorno;
498 578
499 PUTBACK; 579 PUTBACK;
500 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); 580 call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD);
501 SPAGAIN; 581 SPAGAIN;
582
583 if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache))
584 SvREFCNT_dec (sv_result);
585 else
586 sv_result_cache = sv_result;
502 587
503 FREETMPS; 588 FREETMPS;
504 LEAVE; 589 LEAVE;
505 590
506 PUTBACK; 591 PUTBACK;
… …
589#if !_POSIX_MAPPED_FILES 674#if !_POSIX_MAPPED_FILES
590# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
591# define munmap(addr,length) (errno = ENOSYS, -1) 676# define munmap(addr,length) (errno = ENOSYS, -1)
592#endif 677#endif
593 678
679#if !_POSIX_MEMORY_PROTECTION
680# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
681# define PROT_NONE 0
682# define PROT_WRITE 0
683# define MAP_PRIVATE 0
684# define MAP_SHARED 0
685# define MAP_FIXED 0
686#endif
687
594#define MMAP_MAGIC PERL_MAGIC_ext 688#define MMAP_MAGIC PERL_MAGIC_ext
595 689
596static int 690static int
597mmap_free (pTHX_ SV *sv, MAGIC *mg) 691mmap_free (pTHX_ SV *sv, MAGIC *mg)
598{ 692{
… …
601 errno = old_errno; 695 errno = old_errno;
602 696
603 mg->mg_obj = 0; /* just in case */ 697 mg->mg_obj = 0; /* just in case */
604 698
605 SvREADONLY_off (sv); 699 SvREADONLY_off (sv);
700
701 if (SvPVX (sv) != mg->mg_ptr)
702 croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected");
703
606 SvCUR_set (sv, 0); 704 SvCUR_set (sv, 0);
607 SvLEN_set (sv, 0);
608 SvPVX (sv) = 0; 705 SvPVX (sv) = 0;
609 SvOK_off (sv); 706 SvOK_off (sv);
610 707
611 return 0; 708 return 0;
612} 709}
… …
667 const_iv (O_RDWR) 764 const_iv (O_RDWR)
668 const_iv (O_CREAT) 765 const_iv (O_CREAT)
669 const_iv (O_TRUNC) 766 const_iv (O_TRUNC)
670 const_iv (O_EXCL) 767 const_iv (O_EXCL)
671 const_iv (O_APPEND) 768 const_iv (O_APPEND)
672#ifndef _WIN32 769
673 const_iv (S_IFIFO) 770 const_iv (S_IFIFO)
674#endif 771 const_iv (S_IFCHR)
772 const_iv (S_IFBLK)
773 const_iv (S_IFLNK)
774 const_iv (S_IFREG)
775 const_iv (S_IFDIR)
776 const_iv (S_IFWHT)
777 const_iv (S_IFSOCK)
778 const_iv (S_IFMT)
779
675 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
676 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
677 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
678 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
679 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
680 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 785 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
786
787 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
788 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
789 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
790 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
791 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
681 792
682 const_iv (ST_RDONLY) 793 const_iv (ST_RDONLY)
683 const_iv (ST_NOSUID) 794 const_iv (ST_NOSUID)
684 const_iv (ST_NODEV) 795 const_iv (ST_NODEV)
685 const_iv (ST_NOEXEC) 796 const_iv (ST_NOEXEC)
… …
690 const_iv (ST_IMMUTABLE) 801 const_iv (ST_IMMUTABLE)
691 const_iv (ST_NOATIME) 802 const_iv (ST_NOATIME)
692 const_iv (ST_NODIRATIME) 803 const_iv (ST_NODIRATIME)
693 const_iv (ST_RELATIME) 804 const_iv (ST_RELATIME)
694 805
806 const_iv (PROT_NONE)
695 const_iv (PROT_EXEC) 807 const_iv (PROT_EXEC)
696 const_iv (PROT_NONE)
697 const_iv (PROT_READ) 808 const_iv (PROT_READ)
698 const_iv (PROT_WRITE) 809 const_iv (PROT_WRITE)
699 810
700 /*const_iv (MAP_FIXED)*/ 811 /*const_iv (MAP_FIXED)*/
701 const_iv (MAP_PRIVATE) 812 const_iv (MAP_PRIVATE)
… …
707 const_iv (MAP_LOCKED) 818 const_iv (MAP_LOCKED)
708 const_iv (MAP_NORESERVE) 819 const_iv (MAP_NORESERVE)
709 const_iv (MAP_POPULATE) 820 const_iv (MAP_POPULATE)
710 const_iv (MAP_NONBLOCK) 821 const_iv (MAP_NONBLOCK)
711 822
712 const_iv (MCL_FUTURE) 823 const_eio (MCL_FUTURE)
713 const_iv (MCL_CURRENT) 824 const_eio (MCL_CURRENT)
714 825
715 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
716 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
717 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
718 829
… …
755 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
756 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
757} 868}
758 869
759void 870void
760max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
761 PROTOTYPE: $ 872 PROTOTYPE: $
762 CODE: 873 CODE:
763 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
764 875
765void 876void
… …
767 PROTOTYPE: $ 878 PROTOTYPE: $
768 CODE: 879 CODE:
769 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
770 881
771void 882void
772min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
773 PROTOTYPE: $ 884 PROTOTYPE: $
774 CODE: 885 CODE:
775 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
776 887
777void 888void
778max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
779 PROTOTYPE: $ 890 PROTOTYPE: $
780 CODE: 891 CODE:
781 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
782 893
783void 894void
784max_idle (int nthreads) 895max_idle (unsigned int nthreads)
785 PROTOTYPE: $ 896 PROTOTYPE: $
786 CODE: 897 CODE:
787 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
788 899
789void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
790max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
791 PROTOTYPE: $ 908 PROTOTYPE: $
792 CODE: 909 CODE:
793 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
794 911
795void 912void
796aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 913aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
797 PROTOTYPE: $$$;$
798 PPCODE: 914 PPCODE:
799{ 915{
800 dREQ; 916 dREQ;
801 917
802 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
… …
808 REQ_SEND; 924 REQ_SEND;
809} 925}
810 926
811void 927void
812aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
813 PROTOTYPE: $;$
814 ALIAS: 929 ALIAS:
815 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
816 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
817 PPCODE: 932 PPCODE:
818{ 933{
… …
826 REQ_SEND (req); 941 REQ_SEND (req);
827} 942}
828 943
829void 944void
830aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
831 PROTOTYPE: $$$$;$
832 PPCODE: 946 PPCODE:
833{ 947{
834 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
835 dREQ; 949 dREQ;
836 950
… …
844 REQ_SEND (req); 958 REQ_SEND (req);
845} 959}
846 960
847void 961void
848aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
849 PROTOTYPE: $;$
850 PPCODE: 963 PPCODE:
851{ 964{
852 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
853 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
854 dREQ; 967 dREQ;
… …
876void 989void
877aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
878 ALIAS: 991 ALIAS:
879 aio_read = EIO_READ 992 aio_read = EIO_READ
880 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
881 PROTOTYPE: $$$$$;$
882 PPCODE: 994 PPCODE:
883{ 995{
884 STRLEN svlen; 996 STRLEN svlen;
885 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
886 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
… …
927 } 1039 }
928} 1040}
929 1041
930void 1042void
931aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
932 PROTOTYPE: $$;$
933 PPCODE: 1044 PPCODE:
934{ 1045{
935 SV *data; 1046 SV *data;
936 dREQ; 1047 dREQ;
937 1048
… …
942 REQ_SEND; 1053 REQ_SEND;
943} 1054}
944 1055
945void 1056void
946aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1057aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
947 PROTOTYPE: $$$$;$
948 PPCODE: 1058 PPCODE:
949{ 1059{
950 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
951 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
952 dREQ; 1062 dREQ;
… …
962 REQ_SEND; 1072 REQ_SEND;
963} 1073}
964 1074
965void 1075void
966aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
967 PROTOTYPE: $$$;$
968 PPCODE: 1077 PPCODE:
969{ 1078{
970 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
971 dREQ; 1080 dREQ;
972 1081
… …
1003 } 1112 }
1004 1113
1005 REQ_SEND; 1114 REQ_SEND;
1006} 1115}
1007 1116
1117UV
1118major (UV dev)
1119 ALIAS:
1120 minor = 1
1121 CODE:
1122 RETVAL = ix ? major (dev) : minor (dev);
1123 OUTPUT:
1124 RETVAL
1125
1126UV
1127makedev (UV maj, UV min)
1128 CODE:
1129 RETVAL = makedev (maj, min);
1130 OUTPUT:
1131 RETVAL
1132
1008void 1133void
1009aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef) 1134aio_utime (SV8 *fh_or_path, SV *atime, SV *mtime, SV *callback=&PL_sv_undef)
1010 PPCODE: 1135 PPCODE:
1011{ 1136{
1012 dREQ; 1137 dREQ;
… …
1173void 1298void
1174aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1299aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1175 ALIAS: 1300 ALIAS:
1176 aio_mtouch = EIO_MTOUCH 1301 aio_mtouch = EIO_MTOUCH
1177 aio_msync = EIO_MSYNC 1302 aio_msync = EIO_MSYNC
1178 PROTOTYPE: $$$$;$
1179 PPCODE: 1303 PPCODE:
1180{ 1304{
1181 STRLEN svlen; 1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1182 UV len = SvUV (length); 1307 UV len = SvUV (length);
1183 char *svptr = SvPVbyte (data, svlen);
1184 1308
1185 if (offset < 0) 1309 if (offset < 0)
1186 offset += svlen; 1310 offset += svlen;
1187 1311
1188 if (offset < 0 || offset > svlen) 1312 if (offset < 0 || offset > svlen)
… …
1193 1317
1194 { 1318 {
1195 dREQ; 1319 dREQ;
1196 1320
1197 req->type = ix; 1321 req->type = ix;
1198 req->size = len;
1199 req->sv2 = SvREFCNT_inc (data); 1322 req->sv2 = SvREFCNT_inc (data);
1200 req->ptr2 = (char *)svptr + offset; 1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1201 req->int1 = flags; 1325 req->int1 = flags;
1202 1326
1203 REQ_SEND; 1327 REQ_SEND;
1204 } 1328 }
1205} 1329}
1206 1330
1207void 1331void
1332aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1333 PPCODE:
1334{
1335 STRLEN svlen;
1336 char *svptr = SvPVbyte (data, svlen);
1337 UV len = SvUV (length);
1338
1339 if (offset < 0)
1340 offset += svlen;
1341
1342 if (offset < 0 || offset > svlen)
1343 croak ("offset outside of scalar");
1344
1345 if (!SvOK (length) || len + offset > svlen)
1346 len = svlen - offset;
1347
1348 {
1349 dREQ;
1350
1351 req->type = EIO_MLOCK;
1352 req->sv2 = SvREFCNT_inc (data);
1353 req->ptr2 = (char *)svptr + offset;
1354 req->size = len;
1355
1356 REQ_SEND;
1357 }
1358}
1359
1360void
1361aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1362 PPCODE:
1363{
1364 dREQ;
1365
1366 req->type = EIO_MLOCKALL;
1367 req->int1 = flags;
1368
1369 REQ_SEND;
1370}
1371
1372void
1208aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1209 PPCODE: 1374 PPCODE:
1210{ 1375{
1211 dREQ; 1376 dREQ;
1212 1377
… …
1216 REQ_SEND; 1381 REQ_SEND;
1217} 1382}
1218 1383
1219void 1384void
1220aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1221 PROTOTYPE: ;$
1222 PPCODE: 1386 PPCODE:
1223{ 1387{
1224 dREQ; 1388 dREQ;
1225 1389
1226 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
… …
1243 REQ_SEND; 1407 REQ_SEND;
1244} 1408}
1245 1409
1246int 1410int
1247aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1248 PROTOTYPE: ;$
1249 CODE: 1412 CODE:
1250 RETVAL = next_pri; 1413 RETVAL = next_pri;
1251 if (items > 0) 1414 if (items > 0)
1252 { 1415 {
1253 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1265 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1266 next_pri = nice; 1429 next_pri = nice;
1267 1430
1268void 1431void
1269flush () 1432flush ()
1270 PROTOTYPE:
1271 CODE: 1433 CODE:
1272 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1273 { 1435 {
1274 poll_wait (); 1436 poll_wait ();
1275 poll_cb (); 1437 poll_cb ();
1276 } 1438 }
1277 1439
1278int 1440int
1279poll() 1441poll ()
1280 PROTOTYPE:
1281 CODE: 1442 CODE:
1282 poll_wait (); 1443 poll_wait ();
1283 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1284 OUTPUT: 1445 OUTPUT:
1285 RETVAL 1446 RETVAL
1286 1447
1287int 1448int
1288poll_fileno() 1449poll_fileno ()
1289 PROTOTYPE:
1290 CODE: 1450 CODE:
1291 RETVAL = s_epipe_fd (&respipe); 1451 RETVAL = s_epipe_fd (&respipe);
1292 OUTPUT: 1452 OUTPUT:
1293 RETVAL 1453 RETVAL
1294 1454
1295int 1455int
1296poll_cb(...) 1456poll_cb (...)
1297 PROTOTYPE: 1457 PROTOTYPE:
1298 CODE: 1458 CODE:
1299 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1300 OUTPUT: 1460 OUTPUT:
1301 RETVAL 1461 RETVAL
1302 1462
1303void 1463void
1304poll_wait() 1464poll_wait ()
1305 PROTOTYPE:
1306 CODE: 1465 CODE:
1307 poll_wait (); 1466 poll_wait ();
1308 1467
1309int 1468int
1310nreqs() 1469nreqs ()
1311 PROTOTYPE:
1312 CODE: 1470 CODE:
1313 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1314 OUTPUT: 1472 OUTPUT:
1315 RETVAL 1473 RETVAL
1316 1474
1317int 1475int
1318nready() 1476nready ()
1319 PROTOTYPE:
1320 CODE: 1477 CODE:
1321 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1322 OUTPUT: 1479 OUTPUT:
1323 RETVAL 1480 RETVAL
1324 1481
1325int 1482int
1326npending() 1483npending ()
1327 PROTOTYPE:
1328 CODE: 1484 CODE:
1329 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1330 OUTPUT: 1486 OUTPUT:
1331 RETVAL 1487 RETVAL
1332 1488
1333int 1489int
1334nthreads() 1490nthreads ()
1335 PROTOTYPE:
1336 CODE: 1491 CODE:
1337 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1338 OUTPUT: 1493 OUTPUT:
1339 RETVAL 1494 RETVAL
1340 1495
1341int 1496int
1342fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1343 PROTOTYPE: $$$$
1344 CODE: 1498 CODE:
1345#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1346 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1347#else
1348 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1349#endif
1350 OUTPUT: 1500 OUTPUT:
1351 RETVAL 1501 RETVAL
1352 1502
1353ssize_t 1503ssize_t
1354sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1355 PROTOTYPE: $$$$
1356 CODE: 1505 CODE:
1357 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1358 OUTPUT: 1507 OUTPUT:
1359 RETVAL 1508 RETVAL
1360 1509
1361void 1510void
1362mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1363 PROTOTYPE: $$$$$;$
1364 PPCODE: 1512 PPCODE:
1365 sv_unmagic (scalar, MMAP_MAGIC); 1513 sv_unmagic (scalar, MMAP_MAGIC);
1366{ 1514{
1367 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1368 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1369 if (addr == (void *)-1) 1517 if (addr == (void *)-1)
1370 XSRETURN_NO; 1518 XSRETURN_NO;
1371 1519
1520 sv_force_normal (scalar);
1521
1372 /* we store the length in mg_obj, as namlen is I32 :/ */ 1522 /* we store the length in mg_obj, as namlen is I32 :/ */
1373 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) 1523 sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0)
1374 ->mg_obj = (SV *)length; 1524 ->mg_obj = (SV *)length;
1375 1525
1376 SvUPGRADE (scalar, SVt_PV); /* nop... */ 1526 SvUPGRADE (scalar, SVt_PV); /* nop... */
1527
1377 if (!(prot & PROT_WRITE)) 1528 if (!(prot & PROT_WRITE))
1378 SvREADONLY_on (scalar); 1529 SvREADONLY_on (scalar);
1530
1531 if (SvLEN (scalar))
1532 Safefree (SvPVX (scalar));
1379 1533
1380 SvPVX (scalar) = (char *)addr; 1534 SvPVX (scalar) = (char *)addr;
1381 SvCUR_set (scalar, length); 1535 SvCUR_set (scalar, length);
1382 SvLEN_set (scalar, 0); 1536 SvLEN_set (scalar, 0);
1383 SvPOK_only (scalar); 1537 SvPOK_only (scalar);
… …
1385 XSRETURN_YES; 1539 XSRETURN_YES;
1386} 1540}
1387 1541
1388void 1542void
1389munmap (SV *scalar) 1543munmap (SV *scalar)
1390 PROTOTYPE: $
1391 CODE: 1544 CODE:
1392 sv_unmagic (scalar, MMAP_MAGIC); 1545 sv_unmagic (scalar, MMAP_MAGIC);
1393 1546
1394int 1547int
1395mlockall (int flags) 1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1396 PROTOTYPE: $ 1549 ALIAS:
1550 mprotect = 1
1397 CODE: 1551 CODE:
1552{
1553 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1556
1557 if (offset < 0)
1558 offset += svlen;
1559
1560 if (offset < 0 || offset > svlen)
1561 croak ("offset outside of scalar");
1562
1563 if (!SvOK (length) || len + offset > svlen)
1564 len = svlen - offset;
1565
1566 addr = (void *)(((intptr_t)addr) + offset);
1567 eio_page_align (&addr, &len);
1568
1569 switch (ix)
1570 {
1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1573 }
1574}
1575 OUTPUT:
1576 RETVAL
1577
1578int
1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1580 CODE:
1581{
1582 STRLEN svlen;
1583 void *addr = SvPVbyte (scalar, svlen);
1584 size_t len = SvUV (length);
1585
1586 if (offset < 0)
1587 offset += svlen;
1588
1589 if (offset < 0 || offset > svlen)
1590 croak ("offset outside of scalar");
1591
1592 if (!SvOK (length) || len + offset > svlen)
1593 len = svlen - offset;
1594
1595 addr = (void *)(((intptr_t)addr) + offset);
1596 eio_page_align (&addr, &len);
1398#if _POSIX_MEMLOCK 1597#if _POSIX_MEMLOCK_RANGE
1399#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1598 RETVAL = munlock (addr, len);
1400 extern int mallopt (int, int);
1401 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1402#endif
1403 mlockall (flags);
1404#else 1599#else
1405 RETVAL = -1; 1600 RETVAL = ((errno = ENOSYS), -1);
1406 errno = ENOSYS;
1407#endif 1601#endif
1602}
1408 OUTPUT: 1603 OUTPUT:
1409 RETVAL 1604 RETVAL
1410 1605
1411int 1606int
1412munlockall () 1607munlockall ()
1413 PROTOTYPE:
1414 CODE: 1608 CODE:
1415#if _POSIX_MEMLOCK 1609#if _POSIX_MEMLOCK
1416 munlockall (); 1610 munlockall ();
1417#else 1611#else
1418 RETVAL = -1; 1612 RETVAL = -1;

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