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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.171 by root, Wed Aug 4 17:16:19 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 _XOPEN_SOURCE < 600 || NO_FADVISE 145#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 147#endif
148 148
149#ifndef POSIX_MADV_NORMAL 149#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0 150# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif 151#endif
153#ifndef POSIX_MADV_SEQUENTIAL 152#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0 153# define POSIX_MADV_SEQUENTIAL 0
155#endif 154#endif
156#ifndef POSIX_MADV_RANDOM 155#ifndef POSIX_MADV_RANDOM
161#endif 160#endif
162#ifndef POSIX_MADV_DONTNEED 161#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0 162# define POSIX_MADV_DONTNEED 0
164#endif 163#endif
165 164
166#if _XOPEN_SOURCE < 600 || NO_MADVISE 165#if !HAVE_POSIX_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 166# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
168#endif 167#endif
169 168
170#ifndef PROT_NONE 169#ifndef PROT_NONE
171# define PROT_NONE 0 170# define PROT_NONE 0
209#endif 208#endif
210#ifndef ST_RELATIME 209#ifndef ST_RELATIME
211# define ST_RELATIME 0 210# define ST_RELATIME 0
212#endif 211#endif
213 212
214#ifndef MCL_CURRENT 213#ifndef S_IFIFO
215# define MCL_CURRENT 0 214# define S_IFIFO 0
216#endif 215#endif
217#ifndef MCL_FUTURE 216#ifndef S_IFCHR
218# 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
219#endif 236#endif
220 237
221#ifndef MAP_ANONYMOUS 238#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON 239# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON 240# define MAP_ANONYMOUS MAP_ANON
237#ifndef MAP_POPULATE 254#ifndef MAP_POPULATE
238# define MAP_POPULATE 0 255# define MAP_POPULATE 0
239#endif 256#endif
240#ifndef MAP_NONBLOCK 257#ifndef MAP_NONBLOCK
241# 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)
242#endif 269#endif
243 270
244#ifndef PAGESIZE 271#ifndef PAGESIZE
245# define PAGESIZE sysconf (_SC_PAGESIZE) 272# define PAGESIZE sysconf (_SC_PAGESIZE)
246#endif 273#endif
361 /* do not recreate the result IV from scratch each time */ 388 /* do not recreate the result IV from scratch each time */
362 if (expect_true (sv_result_cache)) 389 if (expect_true (sv_result_cache))
363 { 390 {
364 sv_result = sv_result_cache; sv_result_cache = 0; 391 sv_result = sv_result_cache; sv_result_cache = 0;
365 SvIV_set (sv_result, req->result); 392 SvIV_set (sv_result, req->result);
393 SvIOK_only (sv_result);
366 } 394 }
367 else 395 else
368 { 396 {
369 sv_result = newSViv (req->result); 397 sv_result = newSViv (req->result);
370 SvREADONLY_on (sv_result); 398 SvREADONLY_on (sv_result);
534 SvSETMAGIC (req->sv2); 562 SvSETMAGIC (req->sv2);
535 PUSHs (sv_result); 563 PUSHs (sv_result);
536 } 564 }
537 break; 565 break;
538 566
539 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 */
540 if (req->result > 0) 568 if (req->result > 0)
541 SvIV_set (sv_result, 0); 569 SvIV_set (sv_result, 0);
542 /* FALLTHROUGH */ 570 /* FALLTHROUGH */
543 571
544 default: 572 default:
644/*****************************************************************************/ 672/*****************************************************************************/
645 673
646#if !_POSIX_MAPPED_FILES 674#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 675# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1) 676# define munmap(addr,length) (errno = ENOSYS, -1)
677#endif
678
679#if !_POSIX_MEMORY_PROTECTION
649# define mprotect(addr,len,prot) (errno = ENOSYS, -1) 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
650#endif 686#endif
651 687
652#define MMAP_MAGIC PERL_MAGIC_ext 688#define MMAP_MAGIC PERL_MAGIC_ext
653 689
654static int 690static int
728 const_iv (O_RDWR) 764 const_iv (O_RDWR)
729 const_iv (O_CREAT) 765 const_iv (O_CREAT)
730 const_iv (O_TRUNC) 766 const_iv (O_TRUNC)
731 const_iv (O_EXCL) 767 const_iv (O_EXCL)
732 const_iv (O_APPEND) 768 const_iv (O_APPEND)
733#ifndef _WIN32 769
734 const_iv (S_IFIFO) 770 const_iv (S_IFIFO)
735#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
736 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) 780 const_niv (FADV_NORMAL , POSIX_FADV_NORMAL)
737 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) 781 const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL)
738 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 782 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
739 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 783 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
740 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 784 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
774 const_iv (MAP_LOCKED) 818 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE) 819 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE) 820 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK) 821 const_iv (MAP_NONBLOCK)
778 822
779 const_iv (MCL_FUTURE) 823 const_eio (MCL_FUTURE)
780 const_iv (MCL_CURRENT) 824 const_eio (MCL_CURRENT)
781 825
782 const_eio (MS_ASYNC) 826 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE) 827 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC) 828 const_eio (MS_SYNC)
785 829
822 /* atfork child called in fifo order, so before eio's handler */ 866 /* atfork child called in fifo order, so before eio's handler */
823 X_THREAD_ATFORK (0, 0, atfork_child); 867 X_THREAD_ATFORK (0, 0, atfork_child);
824} 868}
825 869
826void 870void
827max_poll_reqs (int nreqs) 871max_poll_reqs (unsigned int nreqs)
828 PROTOTYPE: $ 872 PROTOTYPE: $
829 CODE: 873 CODE:
830 eio_set_max_poll_reqs (nreqs); 874 eio_set_max_poll_reqs (nreqs);
831 875
832void 876void
834 PROTOTYPE: $ 878 PROTOTYPE: $
835 CODE: 879 CODE:
836 eio_set_max_poll_time (nseconds); 880 eio_set_max_poll_time (nseconds);
837 881
838void 882void
839min_parallel (int nthreads) 883min_parallel (unsigned int nthreads)
840 PROTOTYPE: $ 884 PROTOTYPE: $
841 CODE: 885 CODE:
842 eio_set_min_parallel (nthreads); 886 eio_set_min_parallel (nthreads);
843 887
844void 888void
845max_parallel (int nthreads) 889max_parallel (unsigned int nthreads)
846 PROTOTYPE: $ 890 PROTOTYPE: $
847 CODE: 891 CODE:
848 eio_set_max_parallel (nthreads); 892 eio_set_max_parallel (nthreads);
849 893
850void 894void
851max_idle (int nthreads) 895max_idle (unsigned int nthreads)
852 PROTOTYPE: $ 896 PROTOTYPE: $
853 CODE: 897 CODE:
854 eio_set_max_idle (nthreads); 898 eio_set_max_idle (nthreads);
855 899
856void 900void
901idle_timeout (unsigned int seconds)
902 PROTOTYPE: $
903 CODE:
904 eio_set_idle_timeout (seconds);
905
906void
857max_outstanding (int maxreqs) 907max_outstanding (unsigned int maxreqs)
858 PROTOTYPE: $ 908 PROTOTYPE: $
859 CODE: 909 CODE:
860 max_outstanding = maxreqs; 910 max_outstanding = maxreqs;
861 911
862void 912void
863aio_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)
864 PROTOTYPE: $$$;$
865 PPCODE: 914 PPCODE:
866{ 915{
867 dREQ; 916 dREQ;
868 917
869 req->type = EIO_OPEN; 918 req->type = EIO_OPEN;
875 REQ_SEND; 924 REQ_SEND;
876} 925}
877 926
878void 927void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 928aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880 PROTOTYPE: $;$
881 ALIAS: 929 ALIAS:
882 aio_fsync = EIO_FSYNC 930 aio_fsync = EIO_FSYNC
883 aio_fdatasync = EIO_FDATASYNC 931 aio_fdatasync = EIO_FDATASYNC
884 PPCODE: 932 PPCODE:
885{ 933{
893 REQ_SEND (req); 941 REQ_SEND (req);
894} 942}
895 943
896void 944void
897aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 945aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898 PROTOTYPE: $$$$;$
899 PPCODE: 946 PPCODE:
900{ 947{
901 int fd = s_fileno_croak (fh, 0); 948 int fd = s_fileno_croak (fh, 0);
902 dREQ; 949 dREQ;
903 950
911 REQ_SEND (req); 958 REQ_SEND (req);
912} 959}
913 960
914void 961void
915aio_close (SV *fh, SV *callback=&PL_sv_undef) 962aio_close (SV *fh, SV *callback=&PL_sv_undef)
916 PROTOTYPE: $;$
917 PPCODE: 963 PPCODE:
918{ 964{
919 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 965 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920 int fd = s_fileno_croak (fh, 0); 966 int fd = s_fileno_croak (fh, 0);
921 dREQ; 967 dREQ;
943void 989void
944aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 990aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
945 ALIAS: 991 ALIAS:
946 aio_read = EIO_READ 992 aio_read = EIO_READ
947 aio_write = EIO_WRITE 993 aio_write = EIO_WRITE
948 PROTOTYPE: $$$$$;$
949 PPCODE: 994 PPCODE:
950{ 995{
951 STRLEN svlen; 996 STRLEN svlen;
952 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 997 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953 char *svptr = SvPVbyte (data, svlen); 998 char *svptr = SvPVbyte (data, svlen);
994 } 1039 }
995} 1040}
996 1041
997void 1042void
998aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 1043aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
999 PROTOTYPE: $$;$
1000 PPCODE: 1044 PPCODE:
1001{ 1045{
1002 SV *data; 1046 SV *data;
1003 dREQ; 1047 dREQ;
1004 1048
1009 REQ_SEND; 1053 REQ_SEND;
1010} 1054}
1011 1055
1012void 1056void
1013aio_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)
1014 PROTOTYPE: $$$$;$
1015 PPCODE: 1058 PPCODE:
1016{ 1059{
1017 int ifd = s_fileno_croak (in_fh , 0); 1060 int ifd = s_fileno_croak (in_fh , 0);
1018 int ofd = s_fileno_croak (out_fh, 1); 1061 int ofd = s_fileno_croak (out_fh, 1);
1019 dREQ; 1062 dREQ;
1029 REQ_SEND; 1072 REQ_SEND;
1030} 1073}
1031 1074
1032void 1075void
1033aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1076aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1034 PROTOTYPE: $$$;$
1035 PPCODE: 1077 PPCODE:
1036{ 1078{
1037 int fd = s_fileno_croak (fh, 0); 1079 int fd = s_fileno_croak (fh, 0);
1038 dREQ; 1080 dREQ;
1039 1081
1070 } 1112 }
1071 1113
1072 REQ_SEND; 1114 REQ_SEND;
1073} 1115}
1074 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
1075void 1133void
1076aio_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)
1077 PPCODE: 1135 PPCODE:
1078{ 1136{
1079 dREQ; 1137 dREQ;
1240void 1298void
1241aio_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)
1242 ALIAS: 1300 ALIAS:
1243 aio_mtouch = EIO_MTOUCH 1301 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC 1302 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE: 1303 PPCODE:
1247{ 1304{
1248 STRLEN svlen; 1305 STRLEN svlen;
1306 char *svptr = SvPVbyte (data, svlen);
1249 UV len = SvUV (length); 1307 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen);
1251 1308
1252 if (offset < 0) 1309 if (offset < 0)
1253 offset += svlen; 1310 offset += svlen;
1254 1311
1255 if (offset < 0 || offset > svlen) 1312 if (offset < 0 || offset > svlen)
1260 1317
1261 { 1318 {
1262 dREQ; 1319 dREQ;
1263 1320
1264 req->type = ix; 1321 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data); 1322 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset; 1323 req->ptr2 = (char *)svptr + offset;
1324 req->size = len;
1268 req->int1 = flags; 1325 req->int1 = flags;
1269 1326
1270 REQ_SEND; 1327 REQ_SEND;
1271 } 1328 }
1272} 1329}
1273 1330
1274void 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
1275aio_busy (double delay, SV *callback=&PL_sv_undef) 1373aio_busy (double delay, SV *callback=&PL_sv_undef)
1276 PPCODE: 1374 PPCODE:
1277{ 1375{
1278 dREQ; 1376 dREQ;
1279 1377
1283 REQ_SEND; 1381 REQ_SEND;
1284} 1382}
1285 1383
1286void 1384void
1287aio_group (SV *callback=&PL_sv_undef) 1385aio_group (SV *callback=&PL_sv_undef)
1288 PROTOTYPE: ;$
1289 PPCODE: 1386 PPCODE:
1290{ 1387{
1291 dREQ; 1388 dREQ;
1292 1389
1293 req->type = EIO_GROUP; 1390 req->type = EIO_GROUP;
1310 REQ_SEND; 1407 REQ_SEND;
1311} 1408}
1312 1409
1313int 1410int
1314aioreq_pri (int pri = 0) 1411aioreq_pri (int pri = 0)
1315 PROTOTYPE: ;$
1316 CODE: 1412 CODE:
1317 RETVAL = next_pri; 1413 RETVAL = next_pri;
1318 if (items > 0) 1414 if (items > 0)
1319 { 1415 {
1320 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1416 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1332 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1428 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333 next_pri = nice; 1429 next_pri = nice;
1334 1430
1335void 1431void
1336flush () 1432flush ()
1337 PROTOTYPE:
1338 CODE: 1433 CODE:
1339 while (eio_nreqs ()) 1434 while (eio_nreqs ())
1340 { 1435 {
1341 poll_wait (); 1436 poll_wait ();
1342 poll_cb (); 1437 poll_cb ();
1343 } 1438 }
1344 1439
1345int 1440int
1346poll() 1441poll ()
1347 PROTOTYPE:
1348 CODE: 1442 CODE:
1349 poll_wait (); 1443 poll_wait ();
1350 RETVAL = poll_cb (); 1444 RETVAL = poll_cb ();
1351 OUTPUT: 1445 OUTPUT:
1352 RETVAL 1446 RETVAL
1353 1447
1354int 1448int
1355poll_fileno() 1449poll_fileno ()
1356 PROTOTYPE:
1357 CODE: 1450 CODE:
1358 RETVAL = s_epipe_fd (&respipe); 1451 RETVAL = s_epipe_fd (&respipe);
1359 OUTPUT: 1452 OUTPUT:
1360 RETVAL 1453 RETVAL
1361 1454
1362int 1455int
1363poll_cb(...) 1456poll_cb (...)
1364 PROTOTYPE: 1457 PROTOTYPE:
1365 CODE: 1458 CODE:
1366 RETVAL = poll_cb (); 1459 RETVAL = poll_cb ();
1367 OUTPUT: 1460 OUTPUT:
1368 RETVAL 1461 RETVAL
1369 1462
1370void 1463void
1371poll_wait() 1464poll_wait ()
1372 PROTOTYPE:
1373 CODE: 1465 CODE:
1374 poll_wait (); 1466 poll_wait ();
1375 1467
1376int 1468int
1377nreqs() 1469nreqs ()
1378 PROTOTYPE:
1379 CODE: 1470 CODE:
1380 RETVAL = eio_nreqs (); 1471 RETVAL = eio_nreqs ();
1381 OUTPUT: 1472 OUTPUT:
1382 RETVAL 1473 RETVAL
1383 1474
1384int 1475int
1385nready() 1476nready ()
1386 PROTOTYPE:
1387 CODE: 1477 CODE:
1388 RETVAL = eio_nready (); 1478 RETVAL = eio_nready ();
1389 OUTPUT: 1479 OUTPUT:
1390 RETVAL 1480 RETVAL
1391 1481
1392int 1482int
1393npending() 1483npending ()
1394 PROTOTYPE:
1395 CODE: 1484 CODE:
1396 RETVAL = eio_npending (); 1485 RETVAL = eio_npending ();
1397 OUTPUT: 1486 OUTPUT:
1398 RETVAL 1487 RETVAL
1399 1488
1400int 1489int
1401nthreads() 1490nthreads ()
1402 PROTOTYPE:
1403 CODE: 1491 CODE:
1404 RETVAL = eio_nthreads (); 1492 RETVAL = eio_nthreads ();
1405 OUTPUT: 1493 OUTPUT:
1406 RETVAL 1494 RETVAL
1407 1495
1408int 1496int
1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1497fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410 PROTOTYPE: $$$$
1411 CODE: 1498 CODE:
1412 RETVAL = posix_fadvise (fh, offset, length, advice); 1499 RETVAL = posix_fadvise (fh, offset, length, advice);
1413 OUTPUT: 1500 OUTPUT:
1414 RETVAL 1501 RETVAL
1415 1502
1416ssize_t 1503ssize_t
1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1504sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418 PROTOTYPE: $$$$
1419 CODE: 1505 CODE:
1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1506 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT: 1507 OUTPUT:
1422 RETVAL 1508 RETVAL
1423 1509
1424void 1510void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1511mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE: 1512 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC); 1513 sv_unmagic (scalar, MMAP_MAGIC);
1429{ 1514{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1515 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1516 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1454 XSRETURN_YES; 1539 XSRETURN_YES;
1455} 1540}
1456 1541
1457void 1542void
1458munmap (SV *scalar) 1543munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE: 1544 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC); 1545 sv_unmagic (scalar, MMAP_MAGIC);
1462 1546
1463int 1547int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) 1548madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465 ALIAS: 1549 ALIAS:
1466 mprotect = 1 1550 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE: 1551 CODE:
1469{ 1552{
1470 STRLEN cur; 1553 STRLEN svlen;
1471 char *addr = SvPVbyte (scalar, cur); 1554 void *addr = SvPVbyte (scalar, svlen);
1555 size_t len = SvUV (length);
1472 1556
1473 if (offset > cur) 1557 if (offset < 0)
1474 RETVAL = errno = EFAULT; 1558 offset += svlen;
1475 else 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)
1476 { 1570 {
1477 if (!SvOK (ST (2)))
1478 length = cur - offset;
1479
1480 if (offset + length > cur)
1481 RETVAL = errno = EFAULT;
1482 else
1483 switch (ix)
1484 {
1485 case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break; 1571 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; 1572 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487 }
1488 } 1573 }
1489} 1574}
1490 OUTPUT: 1575 OUTPUT:
1491 RETVAL 1576 RETVAL
1492 1577
1493int 1578int
1494mlockall (int flags) 1579munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1495 PROTOTYPE: $
1496 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);
1497#if _POSIX_MEMLOCK 1597#if _POSIX_MEMLOCK_RANGE
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1598 RETVAL = munlock (addr, len);
1499 extern int mallopt (int, int);
1500 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1501#endif
1502 mlockall (flags);
1503#else 1599#else
1504 RETVAL = -1; 1600 RETVAL = ((errno = ENOSYS), -1);
1505 errno = ENOSYS;
1506#endif 1601#endif
1602}
1507 OUTPUT: 1603 OUTPUT:
1508 RETVAL 1604 RETVAL
1509 1605
1510int 1606int
1511munlockall () 1607munlockall ()
1512 PROTOTYPE:
1513 CODE: 1608 CODE:
1514#if _POSIX_MEMLOCK 1609#if _POSIX_MEMLOCK
1515 munlockall (); 1610 munlockall ();
1516#else 1611#else
1517 RETVAL = -1; 1612 RETVAL = -1;

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