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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 1.181 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
145#ifndef POSIX_MADV_NORMAL 149#ifndef POSIX_MADV_NORMAL
146# define POSIX_MADV_NORMAL 0 150# define POSIX_MADV_NORMAL 0
147# define NO_MADVISE 1
148#endif 151#endif
149#ifndef POSIX_MADV_SEQUENTIAL 152#ifndef POSIX_MADV_SEQUENTIAL
150# define POSIX_MADV_SEQUENTIAL 0 153# define POSIX_MADV_SEQUENTIAL 0
151#endif 154#endif
152#ifndef POSIX_MADV_RANDOM 155#ifndef POSIX_MADV_RANDOM
157#endif 160#endif
158#ifndef POSIX_MADV_DONTNEED 161#ifndef POSIX_MADV_DONTNEED
159# define POSIX_MADV_DONTNEED 0 162# define POSIX_MADV_DONTNEED 0
160#endif 163#endif
161 164
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
162#ifndef ST_NODEV 182#ifndef ST_NODEV
163# define ST_NODEV 0 183# define ST_NODEV 0
164#endif 184#endif
165#ifndef ST_NOEXEC 185#ifndef ST_NOEXEC
166# define ST_NOEXEC 0 186# define ST_NOEXEC 0
188#endif 208#endif
189#ifndef ST_RELATIME 209#ifndef ST_RELATIME
190# define ST_RELATIME 0 210# define ST_RELATIME 0
191#endif 211#endif
192 212
193#ifndef MCL_CURRENT 213#ifndef S_IFIFO
194# define MCL_CURRENT 0 214# define S_IFIFO 0
195#endif 215#endif
196#ifndef MCL_FUTURE 216#ifndef S_IFCHR
197# 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
198#endif 236#endif
199 237
200#ifndef MAP_ANONYMOUS 238#ifndef MAP_ANONYMOUS
201# ifdef MAP_ANON 239# ifdef MAP_ANON
202# define MAP_ANONYMOUS MAP_ANON 240# define MAP_ANONYMOUS MAP_ANON
216#ifndef MAP_POPULATE 254#ifndef MAP_POPULATE
217# define MAP_POPULATE 0 255# define MAP_POPULATE 0
218#endif 256#endif
219#ifndef MAP_NONBLOCK 257#ifndef MAP_NONBLOCK
220# 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)
221#endif 269#endif
222 270
223#ifndef PAGESIZE 271#ifndef PAGESIZE
224# define PAGESIZE sysconf (_SC_PAGESIZE) 272# define PAGESIZE sysconf (_SC_PAGESIZE)
225#endif 273#endif
340 /* do not recreate the result IV from scratch each time */ 388 /* do not recreate the result IV from scratch each time */
341 if (expect_true (sv_result_cache)) 389 if (expect_true (sv_result_cache))
342 { 390 {
343 sv_result = sv_result_cache; sv_result_cache = 0; 391 sv_result = sv_result_cache; sv_result_cache = 0;
344 SvIV_set (sv_result, req->result); 392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
345 } 394 }
346 else 395 else
347 { 396 {
348 sv_result = newSViv (req->result); 397 sv_result = newSViv (req->result);
349 SvREADONLY_on (sv_result); 398 SvREADONLY_on (sv_result);
513 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
514 PUSHs (sv_result); 563 PUSHs (sv_result);
515 } 564 }
516 break; 565 break;
517 566
518 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ 567 case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), so fudge result value */
519 if (req->result > 0) 568 if (req->result > 0)
520 SvIV_set (sv_result, 0); 569 SvIV_set (sv_result, 0);
521 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
522 571
523 default: 572 default:
623/*****************************************************************************/ 672/*****************************************************************************/
624 673
625#if !_POSIX_MAPPED_FILES 674#if !_POSIX_MAPPED_FILES
626# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
627# define munmap(addr,length) (errno = ENOSYS, -1) 676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
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
628#endif 686#endif
629 687
630#define MMAP_MAGIC PERL_MAGIC_ext 688#define MMAP_MAGIC PERL_MAGIC_ext
631 689
632static int 690static int
706 const_iv (O_RDWR) 764 const_iv (O_RDWR)
707 const_iv (O_CREAT) 765 const_iv (O_CREAT)
708 const_iv (O_TRUNC) 766 const_iv (O_TRUNC)
709 const_iv (O_EXCL) 767 const_iv (O_EXCL)
710 const_iv (O_APPEND) 768 const_iv (O_APPEND)
711#ifndef _WIN32 769
712 const_iv (S_IFIFO) 770 const_iv (S_IFIFO)
713#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
714 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
715 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
716 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
717 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
718 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
735 const_iv (ST_IMMUTABLE) 801 const_iv (ST_IMMUTABLE)
736 const_iv (ST_NOATIME) 802 const_iv (ST_NOATIME)
737 const_iv (ST_NODIRATIME) 803 const_iv (ST_NODIRATIME)
738 const_iv (ST_RELATIME) 804 const_iv (ST_RELATIME)
739 805
806 const_iv (PROT_NONE)
740 const_iv (PROT_EXEC) 807 const_iv (PROT_EXEC)
741 const_iv (PROT_NONE)
742 const_iv (PROT_READ) 808 const_iv (PROT_READ)
743 const_iv (PROT_WRITE) 809 const_iv (PROT_WRITE)
744 810
745 /*const_iv (MAP_FIXED)*/ 811 /*const_iv (MAP_FIXED)*/
746 const_iv (MAP_PRIVATE) 812 const_iv (MAP_PRIVATE)
752 const_iv (MAP_LOCKED) 818 const_iv (MAP_LOCKED)
753 const_iv (MAP_NORESERVE) 819 const_iv (MAP_NORESERVE)
754 const_iv (MAP_POPULATE) 820 const_iv (MAP_POPULATE)
755 const_iv (MAP_NONBLOCK) 821 const_iv (MAP_NONBLOCK)
756 822
757 const_iv (MCL_FUTURE) 823 const_eio (MCL_FUTURE)
758 const_iv (MCL_CURRENT) 824 const_eio (MCL_CURRENT)
759 825
760 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
761 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
762 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
763 829
800 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
801 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
802} 868}
803 869
804void 870void
805max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
806 PROTOTYPE: $ 872 PROTOTYPE: $
807 CODE: 873 CODE:
808 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
809 875
810void 876void
812 PROTOTYPE: $ 878 PROTOTYPE: $
813 CODE: 879 CODE:
814 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
815 881
816void 882void
817min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
818 PROTOTYPE: $ 884 PROTOTYPE: $
819 CODE: 885 CODE:
820 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
821 887
822void 888void
823max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
824 PROTOTYPE: $ 890 PROTOTYPE: $
825 CODE: 891 CODE:
826 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
827 893
828void 894void
829max_idle (int nthreads) 895max_idle (unsigned int nthreads)
830 PROTOTYPE: $ 896 PROTOTYPE: $
831 CODE: 897 CODE:
832 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
833 899
834void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
835max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
836 PROTOTYPE: $ 908 PROTOTYPE: $
837 CODE: 909 CODE:
838 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
839 911
840void 912void
841aio_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)
842 PROTOTYPE: $$$;$
843 PPCODE: 914 PPCODE:
844{ 915{
845 dREQ; 916 dREQ;
846 917
847 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
853 REQ_SEND; 924 REQ_SEND;
854} 925}
855 926
856void 927void
857aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
858 PROTOTYPE: $;$
859 ALIAS: 929 ALIAS:
860 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
861 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
862 PPCODE: 932 PPCODE:
863{ 933{
871 REQ_SEND (req); 941 REQ_SEND (req);
872} 942}
873 943
874void 944void
875aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
876 PROTOTYPE: $$$$;$
877 PPCODE: 946 PPCODE:
878{ 947{
879 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
880 dREQ; 949 dREQ;
881 950
889 REQ_SEND (req); 958 REQ_SEND (req);
890} 959}
891 960
892void 961void
893aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
894 PROTOTYPE: $;$
895 PPCODE: 963 PPCODE:
896{ 964{
897 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
898 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
899 dREQ; 967 dREQ;
921void 989void
922aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
923 ALIAS: 991 ALIAS:
924 aio_read = EIO_READ 992 aio_read = EIO_READ
925 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
926 PROTOTYPE: $$$$$;$
927 PPCODE: 994 PPCODE:
928{ 995{
929 STRLEN svlen; 996 STRLEN svlen;
930 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
931 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
972 } 1039 }
973} 1040}
974 1041
975void 1042void
976aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
977 PROTOTYPE: $$;$
978 PPCODE: 1044 PPCODE:
979{ 1045{
980 SV *data; 1046 SV *data;
981 dREQ; 1047 dREQ;
982 1048
987 REQ_SEND; 1053 REQ_SEND;
988} 1054}
989 1055
990void 1056void
991aio_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)
992 PROTOTYPE: $$$$;$
993 PPCODE: 1058 PPCODE:
994{ 1059{
995 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
996 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
997 dREQ; 1062 dREQ;
1007 REQ_SEND; 1072 REQ_SEND;
1008} 1073}
1009 1074
1010void 1075void
1011aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1012 PROTOTYPE: $$$;$
1013 PPCODE: 1077 PPCODE:
1014{ 1078{
1015 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
1016 dREQ; 1080 dREQ;
1017 1081
1048 } 1112 }
1049 1113
1050 REQ_SEND; 1114 REQ_SEND;
1051} 1115}
1052 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
1053void 1133void
1054aio_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)
1055 PPCODE: 1135 PPCODE:
1056{ 1136{
1057 dREQ; 1137 dREQ;
1218void 1298void
1219aio_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)
1220 ALIAS: 1300 ALIAS:
1221 aio_mtouch = EIO_MTOUCH 1301 aio_mtouch = EIO_MTOUCH
1222 aio_msync = EIO_MSYNC 1302 aio_msync = EIO_MSYNC
1223 PROTOTYPE: $$$$;$
1224 PPCODE: 1303 PPCODE:
1225{ 1304{
1226 STRLEN svlen; 1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1227 UV len = SvUV (length); 1307 UV len = SvUV (length);
1228 char *svptr = SvPVbyte (data, svlen);
1229 1308
1230 if (offset < 0) 1309 if (offset < 0)
1231 offset += svlen; 1310 offset += svlen;
1232 1311
1233 if (offset < 0 || offset > svlen) 1312 if (offset < 0 || offset > svlen)
1238 1317
1239 { 1318 {
1240 dREQ; 1319 dREQ;
1241 1320
1242 req->type = ix; 1321 req->type = ix;
1243 req->size = len;
1244 req->sv2 = SvREFCNT_inc (data); 1322 req->sv2 = SvREFCNT_inc (data);
1245 req->ptr2 = (char *)svptr + offset; 1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1246 req->int1 = flags; 1325 req->int1 = flags;
1247 1326
1248 REQ_SEND; 1327 REQ_SEND;
1249 } 1328 }
1250} 1329}
1251 1330
1252void 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
1253aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1254 PPCODE: 1374 PPCODE:
1255{ 1375{
1256 dREQ; 1376 dREQ;
1257 1377
1261 REQ_SEND; 1381 REQ_SEND;
1262} 1382}
1263 1383
1264void 1384void
1265aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1266 PROTOTYPE: ;$
1267 PPCODE: 1386 PPCODE:
1268{ 1387{
1269 dREQ; 1388 dREQ;
1270 1389
1271 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
1288 REQ_SEND; 1407 REQ_SEND;
1289} 1408}
1290 1409
1291int 1410int
1292aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1293 PROTOTYPE: ;$
1294 CODE: 1412 CODE:
1295 RETVAL = next_pri; 1413 RETVAL = next_pri;
1296 if (items > 0) 1414 if (items > 0)
1297 { 1415 {
1298 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1310 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1311 next_pri = nice; 1429 next_pri = nice;
1312 1430
1313void 1431void
1314flush () 1432flush ()
1315 PROTOTYPE:
1316 CODE: 1433 CODE:
1317 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1318 { 1435 {
1319 poll_wait (); 1436 poll_wait ();
1320 poll_cb (); 1437 poll_cb ();
1321 } 1438 }
1322 1439
1323int 1440int
1324poll() 1441poll ()
1325 PROTOTYPE:
1326 CODE: 1442 CODE:
1327 poll_wait (); 1443 poll_wait ();
1328 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1329 OUTPUT: 1445 OUTPUT:
1330 RETVAL 1446 RETVAL
1331 1447
1332int 1448int
1333poll_fileno() 1449poll_fileno ()
1334 PROTOTYPE:
1335 CODE: 1450 CODE:
1336 RETVAL = s_epipe_fd (&respipe); 1451 RETVAL = s_epipe_fd (&respipe);
1337 OUTPUT: 1452 OUTPUT:
1338 RETVAL 1453 RETVAL
1339 1454
1340int 1455int
1341poll_cb(...) 1456poll_cb (...)
1342 PROTOTYPE: 1457 PROTOTYPE:
1343 CODE: 1458 CODE:
1344 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1345 OUTPUT: 1460 OUTPUT:
1346 RETVAL 1461 RETVAL
1347 1462
1348void 1463void
1349poll_wait() 1464poll_wait ()
1350 PROTOTYPE:
1351 CODE: 1465 CODE:
1352 poll_wait (); 1466 poll_wait ();
1353 1467
1354int 1468int
1355nreqs() 1469nreqs ()
1356 PROTOTYPE:
1357 CODE: 1470 CODE:
1358 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1359 OUTPUT: 1472 OUTPUT:
1360 RETVAL 1473 RETVAL
1361 1474
1362int 1475int
1363nready() 1476nready ()
1364 PROTOTYPE:
1365 CODE: 1477 CODE:
1366 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1367 OUTPUT: 1479 OUTPUT:
1368 RETVAL 1480 RETVAL
1369 1481
1370int 1482int
1371npending() 1483npending ()
1372 PROTOTYPE:
1373 CODE: 1484 CODE:
1374 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1375 OUTPUT: 1486 OUTPUT:
1376 RETVAL 1487 RETVAL
1377 1488
1378int 1489int
1379nthreads() 1490nthreads ()
1380 PROTOTYPE:
1381 CODE: 1491 CODE:
1382 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1383 OUTPUT: 1493 OUTPUT:
1384 RETVAL 1494 RETVAL
1385 1495
1386int 1496int
1387fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1388 PROTOTYPE: $$$$
1389 CODE: 1498 CODE:
1390#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1391 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1392#else
1393 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1394#endif
1395 OUTPUT: 1500 OUTPUT:
1396 RETVAL 1501 RETVAL
1397 1502
1398ssize_t 1503ssize_t
1399sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1400 PROTOTYPE: $$$$
1401 CODE: 1505 CODE:
1402 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1403 OUTPUT: 1507 OUTPUT:
1404 RETVAL 1508 RETVAL
1405 1509
1406void 1510void
1407mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1408 PROTOTYPE: $$$$$;$
1409 PPCODE: 1512 PPCODE:
1410 sv_unmagic (scalar, MMAP_MAGIC); 1513 sv_unmagic (scalar, MMAP_MAGIC);
1411{ 1514{
1412 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1413 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1436 XSRETURN_YES; 1539 XSRETURN_YES;
1437} 1540}
1438 1541
1439void 1542void
1440munmap (SV *scalar) 1543munmap (SV *scalar)
1441 PROTOTYPE: $
1442 CODE: 1544 CODE:
1443 sv_unmagic (scalar, MMAP_MAGIC); 1545 sv_unmagic (scalar, MMAP_MAGIC);
1444 1546
1445int 1547int
1446madvise (SV *scalar, off_t offset, off_t length, IV advice) 1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1447 PROTOTYPE: $$$$ 1549 ALIAS:
1550 mprotect = 1
1448 CODE: 1551 CODE:
1449{ 1552{
1450 char *addr = SvPV_nolen (scalar) + offset; 1553 STRLEN svlen;
1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1451 1556
1452 if (!SvOK (ST (2))) 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)
1453 length = SvCUR (scalar) - offset; 1564 len = svlen - offset;
1454 1565
1455 if (addr >= SvEND (scalar) || length <= 0) 1566 addr = (void *)(((intptr_t)addr) + offset);
1456 XSRETURN_EMPTY; 1567 eio_page_align (&addr, &len);
1457 1568
1458 #if _XOPEN_SOURCE >= 600 && !NO_MADVISE 1569 switch (ix)
1570 {
1459 RETVAL = posix_madvise (addr, length, advice); 1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1460 #else 1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1461 RETVAL = errno = ENOSYS; /* yes, this is actually correct */ 1573 }
1462 #endif
1463} 1574}
1464 OUTPUT: 1575 OUTPUT:
1465 RETVAL 1576 RETVAL
1466 1577
1467int 1578int
1468mlockall (int flags) 1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 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);
1471#if _POSIX_MEMLOCK 1597#if _POSIX_MEMLOCK_RANGE
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1598 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 1599#else
1478 RETVAL = -1; 1600 RETVAL = ((errno = ENOSYS), -1);
1479 errno = ENOSYS;
1480#endif 1601#endif
1602}
1481 OUTPUT: 1603 OUTPUT:
1482 RETVAL 1604 RETVAL
1483 1605
1484int 1606int
1485munlockall () 1607munlockall ()
1486 PROTOTYPE:
1487 CODE: 1608 CODE:
1488#if _POSIX_MEMLOCK 1609#if _POSIX_MEMLOCK
1489 munlockall (); 1610 munlockall ();
1490#else 1611#else
1491 RETVAL = -1; 1612 RETVAL = -1;

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