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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.169 by root, Wed Aug 4 16:06:54 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 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
145#ifndef POSIX_MADV_NORMAL 195#ifndef POSIX_MADV_NORMAL
146# define POSIX_MADV_NORMAL 0 196# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif 197#endif
149#ifndef POSIX_MADV_SEQUENTIAL 198#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0 199# define POSIX_MADV_SEQUENTIAL 0
151#endif 200#endif
152#ifndef POSIX_MADV_RANDOM 201#ifndef POSIX_MADV_RANDOM
157#endif 206#endif
158#ifndef POSIX_MADV_DONTNEED 207#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0 208# define POSIX_MADV_DONTNEED 0
160#endif 209#endif
161 210
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
162#ifndef ST_NODEV 228#ifndef ST_NODEV
163# define ST_NODEV 0 229# define ST_NODEV 0
164#endif 230#endif
165#ifndef ST_NOEXEC 231#ifndef ST_NOEXEC
166# define ST_NOEXEC 0 232# define ST_NOEXEC 0
188#endif 254#endif
189#ifndef ST_RELATIME 255#ifndef ST_RELATIME
190# define ST_RELATIME 0 256# define ST_RELATIME 0
191#endif 257#endif
192 258
193#ifndef MCL_CURRENT 259#ifndef S_IFIFO
194# define MCL_CURRENT 0 260# define S_IFIFO 0
195#endif 261#endif
196#ifndef MCL_FUTURE 262#ifndef S_IFCHR
197# 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
198#endif 282#endif
199 283
200#ifndef MAP_ANONYMOUS 284#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 285# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 286# define MAP_ANONYMOUS MAP_ANON
216#ifndef MAP_POPULATE 300#ifndef MAP_POPULATE
217# define MAP_POPULATE 0 301# define MAP_POPULATE 0
218#endif 302#endif
219#ifndef MAP_NONBLOCK 303#ifndef MAP_NONBLOCK
220# 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)
221#endif 315#endif
222 316
223#ifndef PAGESIZE 317#ifndef PAGESIZE
224# define PAGESIZE sysconf (_SC_PAGESIZE) 318# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 319#endif
340 /* do not recreate the result IV from scratch each time */ 434 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 435 if (expect_true (sv_result_cache))
342 { 436 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 437 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 438 SvIV_set (sv_result, req->result);
439 SvIOK_only (sv_result);
345 } 440 }
346 else 441 else
347 { 442 {
348 sv_result = newSViv (req->result); 443 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 444 SvREADONLY_on (sv_result);
490 case EIO_NOP: 585 case EIO_NOP:
491 case EIO_BUSY: 586 case EIO_BUSY:
492 break; 587 break;
493 588
494 case EIO_READLINK: 589 case EIO_READLINK:
590 case EIO_REALPATH:
495 if (req->result > 0) 591 if (req->result > 0)
496 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result))); 592 PUSHs (sv_2mortal (newSVpvn (req->ptr2, req->result)));
497 break; 593 break;
498 594
499 case EIO_STAT: 595 case EIO_STAT:
513 SvSETMAGIC (req->sv2); 609 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 610 PUSHs (sv_result);
515 } 611 }
516 break; 612 break;
517 613
518 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 614 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519 if (req->result > 0) 615 if (req->result > 0)
520 SvIV_set (sv_result, 0); 616 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 617 /* FALLTHROUGH */
522 618
523 default: 619 default:
623/*****************************************************************************/ 719/*****************************************************************************/
624 720
625#if !_POSIX_MAPPED_FILES 721#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 722# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (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
628#endif 733#endif
629 734
630#define MMAP_MAGIC PERL_MAGIC_ext 735#define MMAP_MAGIC PERL_MAGIC_ext
631 736
632static int 737static int
706 const_iv (O_RDWR) 811 const_iv (O_RDWR)
707 const_iv (O_CREAT) 812 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 813 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 814 const_iv (O_EXCL)
710 const_iv (O_APPEND) 815 const_iv (O_APPEND)
711#ifndef _WIN32 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
712 const_iv (S_IFIFO) 833 const_iv (S_IFIFO)
713#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
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 843 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 844 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 845 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 846 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 847 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
735 const_iv (ST_IMMUTABLE) 864 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 865 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 866 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 867 const_iv (ST_RELATIME)
739 868
869 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 870 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 871 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 872 const_iv (PROT_WRITE)
744 873
745 /*const_iv (MAP_FIXED)*/ 874 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 875 const_iv (MAP_PRIVATE)
752 const_iv (MAP_LOCKED) 881 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 882 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 883 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 884 const_iv (MAP_NONBLOCK)
756 885
757 const_iv (MCL_FUTURE) 886 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 887 const_eio (MCL_CURRENT)
759 888
760 const_eio (MS_ASYNC) 889 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 890 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 891 const_eio (MS_SYNC)
763 892
800 /* atfork child called in fifo order, so before eio's handler */ 929 /* atfork child called in fifo order, so before eio's handler */
801 X_THREAD_ATFORK (0, 0, atfork_child); 930 X_THREAD_ATFORK (0, 0, atfork_child);
802} 931}
803 932
804void 933void
805max_poll_reqs (int nreqs) 934max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 935 PROTOTYPE: $
807 CODE: 936 CODE:
808 eio_set_max_poll_reqs (nreqs); 937 eio_set_max_poll_reqs (nreqs);
809 938
810void 939void
812 PROTOTYPE: $ 941 PROTOTYPE: $
813 CODE: 942 CODE:
814 eio_set_max_poll_time (nseconds); 943 eio_set_max_poll_time (nseconds);
815 944
816void 945void
817min_parallel (int nthreads) 946min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 947 PROTOTYPE: $
819 CODE: 948 CODE:
820 eio_set_min_parallel (nthreads); 949 eio_set_min_parallel (nthreads);
821 950
822void 951void
823max_parallel (int nthreads) 952max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 953 PROTOTYPE: $
825 CODE: 954 CODE:
826 eio_set_max_parallel (nthreads); 955 eio_set_max_parallel (nthreads);
827 956
828void 957void
829max_idle (int nthreads) 958max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 959 PROTOTYPE: $
831 CODE: 960 CODE:
832 eio_set_max_idle (nthreads); 961 eio_set_max_idle (nthreads);
833 962
834void 963void
964idle_timeout (unsigned int seconds)
965 PROTOTYPE: $
966 CODE:
967 eio_set_idle_timeout (seconds);
968
969void
835max_outstanding (int maxreqs) 970max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 971 PROTOTYPE: $
837 CODE: 972 CODE:
838 max_outstanding = maxreqs; 973 max_outstanding = maxreqs;
839 974
840void 975void
841aio_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)
842 PROTOTYPE: $$$;$
843 PPCODE: 977 PPCODE:
844{ 978{
845 dREQ; 979 dREQ;
846 980
847 req->type = EIO_OPEN; 981 req->type = EIO_OPEN;
853 REQ_SEND; 987 REQ_SEND;
854} 988}
855 989
856void 990void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 991aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 992 ALIAS:
860 aio_fsync = EIO_FSYNC 993 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 994 aio_fdatasync = EIO_FDATASYNC
862 PPCODE: 995 PPCODE:
863{ 996{
871 REQ_SEND (req); 1004 REQ_SEND (req);
872} 1005}
873 1006
874void 1007void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 1008aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 1009 PPCODE:
878{ 1010{
879 int fd = s_fileno_croak (fh, 0); 1011 int fd = s_fileno_croak (fh, 0);
880 dREQ; 1012 dREQ;
881 1013
889 REQ_SEND (req); 1021 REQ_SEND (req);
890} 1022}
891 1023
892void 1024void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 1025aio_close (SV *fh, SV *callback=&PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 1026 PPCODE:
896{ 1027{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 1028 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 1029 int fd = s_fileno_croak (fh, 0);
899 dREQ; 1030 dREQ;
921void 1052void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 1053aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923 ALIAS: 1054 ALIAS:
924 aio_read = EIO_READ 1055 aio_read = EIO_READ
925 aio_write = EIO_WRITE 1056 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 1057 PPCODE:
928{ 1058{
929 STRLEN svlen; 1059 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 1060 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 1061 char *svptr = SvPVbyte (data, svlen);
972 } 1102 }
973} 1103}
974 1104
975void 1105void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1106aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
977 PROTOTYPE: $$;$ 1107 ALIAS:
1108 aio_readlink = EIO_READLINK
1109 aio_realpath = EIO_REALPATH
978 PPCODE: 1110 PPCODE:
979{ 1111{
980 SV *data; 1112 SV *data;
981 dREQ; 1113 dREQ;
982 1114
983 req->type = EIO_READLINK; 1115 req->type = ix;
984 req->sv1 = newSVsv (path); 1116 req->sv1 = newSVsv (path);
985 req->ptr1 = SvPVbyte_nolen (req->sv1); 1117 req->ptr1 = SvPVbyte_nolen (req->sv1);
986 1118
987 REQ_SEND; 1119 REQ_SEND;
988} 1120}
989 1121
990void 1122void
991aio_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)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1124 PPCODE:
994{ 1125{
995 int ifd = s_fileno_croak (in_fh , 0); 1126 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1127 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1128 dREQ;
1007 REQ_SEND; 1138 REQ_SEND;
1008} 1139}
1009 1140
1010void 1141void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1142aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1143 PPCODE:
1014{ 1144{
1015 int fd = s_fileno_croak (fh, 0); 1145 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1146 dREQ;
1017 1147
1048 } 1178 }
1049 1179
1050 REQ_SEND; 1180 REQ_SEND;
1051} 1181}
1052 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
1053void 1199void
1054aio_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)
1055 PPCODE: 1201 PPCODE:
1056{ 1202{
1057 dREQ; 1203 dREQ;
1218void 1364void
1219aio_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)
1220 ALIAS: 1366 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 1367 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 1368 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 1369 PPCODE:
1225{ 1370{
1226 STRLEN svlen; 1371 STRLEN svlen;
1372 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 1373 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen);
1229 1374
1230 if (offset < 0) 1375 if (offset < 0)
1231 offset += svlen; 1376 offset += svlen;
1232 1377
1233 if (offset < 0 || offset > svlen) 1378 if (offset < 0 || offset > svlen)
1238 1383
1239 { 1384 {
1240 dREQ; 1385 dREQ;
1241 1386
1242 req->type = ix; 1387 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 1388 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 1389 req->ptr2 = (char *)svptr + offset;
1390 req->size = len;
1246 req->int1 = flags; 1391 req->int1 = flags;
1247 1392
1248 REQ_SEND; 1393 REQ_SEND;
1249 } 1394 }
1250} 1395}
1251 1396
1252void 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
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 1439aio_busy (double delay, SV *callback=&PL_sv_undef)
1254 PPCODE: 1440 PPCODE:
1255{ 1441{
1256 dREQ; 1442 dREQ;
1257 1443
1261 REQ_SEND; 1447 REQ_SEND;
1262} 1448}
1263 1449
1264void 1450void
1265aio_group (SV *callback=&PL_sv_undef) 1451aio_group (SV *callback=&PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 1452 PPCODE:
1268{ 1453{
1269 dREQ; 1454 dREQ;
1270 1455
1271 req->type = EIO_GROUP; 1456 req->type = EIO_GROUP;
1288 REQ_SEND; 1473 REQ_SEND;
1289} 1474}
1290 1475
1291int 1476int
1292aioreq_pri (int pri = 0) 1477aioreq_pri (int pri = 0)
1293 PROTOTYPE: ;$
1294 CODE: 1478 CODE:
1295 RETVAL = next_pri; 1479 RETVAL = next_pri;
1296 if (items > 0) 1480 if (items > 0)
1297 { 1481 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1482 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1494 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 1495 next_pri = nice;
1312 1496
1313void 1497void
1314flush () 1498flush ()
1315 PROTOTYPE:
1316 CODE: 1499 CODE:
1317 while (eio_nreqs ()) 1500 while (eio_nreqs ())
1318 { 1501 {
1319 poll_wait (); 1502 poll_wait ();
1320 poll_cb (); 1503 poll_cb ();
1321 } 1504 }
1322 1505
1323int 1506int
1324poll() 1507poll ()
1325 PROTOTYPE:
1326 CODE: 1508 CODE:
1327 poll_wait (); 1509 poll_wait ();
1328 RETVAL = poll_cb (); 1510 RETVAL = poll_cb ();
1329 OUTPUT: 1511 OUTPUT:
1330 RETVAL 1512 RETVAL
1331 1513
1332int 1514int
1333poll_fileno() 1515poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 1516 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 1517 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 1518 OUTPUT:
1338 RETVAL 1519 RETVAL
1339 1520
1340int 1521int
1341poll_cb(...) 1522poll_cb (...)
1342 PROTOTYPE: 1523 PROTOTYPE:
1343 CODE: 1524 CODE:
1344 RETVAL = poll_cb (); 1525 RETVAL = poll_cb ();
1345 OUTPUT: 1526 OUTPUT:
1346 RETVAL 1527 RETVAL
1347 1528
1348void 1529void
1349poll_wait() 1530poll_wait ()
1350 PROTOTYPE:
1351 CODE: 1531 CODE:
1352 poll_wait (); 1532 poll_wait ();
1353 1533
1354int 1534int
1355nreqs() 1535nreqs ()
1356 PROTOTYPE:
1357 CODE: 1536 CODE:
1358 RETVAL = eio_nreqs (); 1537 RETVAL = eio_nreqs ();
1359 OUTPUT: 1538 OUTPUT:
1360 RETVAL 1539 RETVAL
1361 1540
1362int 1541int
1363nready() 1542nready ()
1364 PROTOTYPE:
1365 CODE: 1543 CODE:
1366 RETVAL = eio_nready (); 1544 RETVAL = eio_nready ();
1367 OUTPUT: 1545 OUTPUT:
1368 RETVAL 1546 RETVAL
1369 1547
1370int 1548int
1371npending() 1549npending ()
1372 PROTOTYPE:
1373 CODE: 1550 CODE:
1374 RETVAL = eio_npending (); 1551 RETVAL = eio_npending ();
1375 OUTPUT: 1552 OUTPUT:
1376 RETVAL 1553 RETVAL
1377 1554
1378int 1555int
1379nthreads() 1556nthreads ()
1380 PROTOTYPE:
1381 CODE: 1557 CODE:
1382 RETVAL = eio_nthreads (); 1558 RETVAL = eio_nthreads ();
1383 OUTPUT: 1559 OUTPUT:
1384 RETVAL 1560 RETVAL
1385 1561
1386int 1562int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1563fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 1564 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 1565 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 1566 OUTPUT:
1396 RETVAL 1567 RETVAL
1397 1568
1398ssize_t 1569ssize_t
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1570sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 1571 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1572 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 1573 OUTPUT:
1404 RETVAL 1574 RETVAL
1405 1575
1406void 1576void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1577mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 1578 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 1579 sv_unmagic (scalar, MMAP_MAGIC);
1411{ 1580{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1581 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1582 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1436 XSRETURN_YES; 1605 XSRETURN_YES;
1437} 1606}
1438 1607
1439void 1608void
1440munmap (SV *scalar) 1609munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 1610 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 1611 sv_unmagic (scalar, MMAP_MAGIC);
1444 1612
1445int 1613int
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 1614madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447 PROTOTYPE: $$$$ 1615 ALIAS:
1616 mprotect = 1
1448 CODE: 1617 CODE:
1449{ 1618{
1450 char *addr = SvPV_nolen (scalar) + offset; 1619 STRLEN svlen;
1620 void *addr = SvPVbyte (scalar, svlen);
1621 size_t len = SvUV (length);
1451 1622
1452 if (!SvOK (ST (2))) 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)
1453 length = SvCUR (scalar) - offset; 1630 len = svlen - offset;
1454 1631
1455 if (addr >= SvEND (scalar) || length <= 0) 1632 addr = (void *)(((intptr_t)addr) + offset);
1456 XSRETURN_EMPTY; 1633 eio_page_align (&addr, &len);
1457 1634
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 1635 switch (ix)
1636 {
1459 RETVAL = posix_madvise (addr, length, advice); 1637 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460 #else 1638 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 1639 }
1462 #endif
1463} 1640}
1464 OUTPUT: 1641 OUTPUT:
1465 RETVAL 1642 RETVAL
1466 1643
1467int 1644int
1468mlockall (int flags) 1645munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 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);
1471#if _POSIX_MEMLOCK 1663#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1664 RETVAL = munlock (addr, len);
1473 extern int mallopt (int, int);
1474 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1475#endif
1476 mlockall (flags);
1477#else 1665#else
1478 RETVAL = -1; 1666 RETVAL = ((errno = ENOSYS), -1);
1479 errno = ENOSYS;
1480#endif 1667#endif
1668}
1481 OUTPUT: 1669 OUTPUT:
1482 RETVAL 1670 RETVAL
1483 1671
1484int 1672int
1485munlockall () 1673munlockall ()
1486 PROTOTYPE:
1487 CODE: 1674 CODE:
1488#if _POSIX_MEMLOCK 1675#if _POSIX_MEMLOCK
1489 munlockall (); 1676 munlockall ();
1490#else 1677#else
1491 RETVAL = -1; 1678 RETVAL = -1;

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