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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.168 by root, Wed Aug 4 14:02:58 2010 UTC vs.
Revision 1.175 by root, Wed Dec 1 04:43:12 2010 UTC

… …
122 122
123#include "libeio/eio.h" 123#include "libeio/eio.h"
124 124
125#ifndef POSIX_FADV_NORMAL 125#ifndef POSIX_FADV_NORMAL
126# define POSIX_FADV_NORMAL 0 126# define POSIX_FADV_NORMAL 0
127# define NO_FADVISE 1
128#endif 127#endif
129#ifndef POSIX_FADV_SEQUENTIAL 128#ifndef POSIX_FADV_SEQUENTIAL
130# define POSIX_FADV_SEQUENTIAL 0 129# define POSIX_FADV_SEQUENTIAL 0
131#endif 130#endif
132#ifndef POSIX_FADV_RANDOM 131#ifndef POSIX_FADV_RANDOM
… …
140#endif 139#endif
141#ifndef POSIX_FADV_DONTNEED 140#ifndef POSIX_FADV_DONTNEED
142# define POSIX_FADV_DONTNEED 0 141# define POSIX_FADV_DONTNEED 0
143#endif 142#endif
144 143
144#if !HAVE_POSIX_FADVISE
145# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
146#endif
147
148#ifndef POSIX_MADV_NORMAL
149# define POSIX_MADV_NORMAL 0
150#endif
151#ifndef POSIX_MADV_SEQUENTIAL
152# define POSIX_MADV_SEQUENTIAL 0
153#endif
154#ifndef POSIX_MADV_RANDOM
155# define POSIX_MADV_RANDOM 0
156#endif
157#ifndef POSIX_MADV_WILLNEED
158# define POSIX_MADV_WILLNEED 0
159#endif
160#ifndef POSIX_MADV_DONTNEED
161# define POSIX_MADV_DONTNEED 0
162#endif
163
164#if !HAVE_POSIX_MADVISE
165# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */
166#endif
167
168#ifndef PROT_NONE
169# define PROT_NONE 0
170#endif
171#ifndef PROT_READ
172# define PROT_READ 0
173#endif
174#ifndef PROT_WRITE
175# define PROT_READ 0
176#endif
177#ifndef PROT_EXEC
178# define PROT_EXEC 0
179#endif
180
145#ifndef ST_NODEV 181#ifndef ST_NODEV
146# define ST_NODEV 0 182# define ST_NODEV 0
147#endif 183#endif
148#ifndef ST_NOEXEC 184#ifndef ST_NOEXEC
149# define ST_NOEXEC 0 185# define ST_NOEXEC 0
… …
169#ifndef ST_NODIRATIME 205#ifndef ST_NODIRATIME
170# define ST_NODIRATIME 0 206# define ST_NODIRATIME 0
171#endif 207#endif
172#ifndef ST_RELATIME 208#ifndef ST_RELATIME
173# define ST_RELATIME 0 209# define ST_RELATIME 0
174#endif
175
176#ifndef MCL_CURRENT
177# define MCL_CURRENT 0
178#endif
179#ifndef MCL_FUTURE
180# define MCL_FUTURE 0
181#endif 210#endif
182 211
183#ifndef MAP_ANONYMOUS 212#ifndef MAP_ANONYMOUS
184# ifdef MAP_ANON 213# ifdef MAP_ANON
185# define MAP_ANONYMOUS MAP_ANON 214# define MAP_ANONYMOUS MAP_ANON
… …
606/*****************************************************************************/ 635/*****************************************************************************/
607 636
608#if !_POSIX_MAPPED_FILES 637#if !_POSIX_MAPPED_FILES
609# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 638# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
610# define munmap(addr,length) (errno = ENOSYS, -1) 639# define munmap(addr,length) (errno = ENOSYS, -1)
640# define mprotect(addr,len,prot) (errno = ENOSYS, -1)
641# define PROT_NONE 0
642# define PROT_WRITE 0
643# define MAP_PRIVATE 0
644# define MAP_SHARED 0
645# define MAP_FIXED 0
611#endif 646#endif
612 647
613#define MMAP_MAGIC PERL_MAGIC_ext 648#define MMAP_MAGIC PERL_MAGIC_ext
614 649
615static int 650static int
… …
699 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) 734 const_niv (FADV_RANDOM , POSIX_FADV_RANDOM)
700 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) 735 const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE)
701 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) 736 const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED)
702 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) 737 const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED)
703 738
739 const_niv (MADV_NORMAL , POSIX_MADV_NORMAL)
740 const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL)
741 const_niv (MADV_RANDOM , POSIX_MADV_RANDOM)
742 const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED)
743 const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED)
744
704 const_iv (ST_RDONLY) 745 const_iv (ST_RDONLY)
705 const_iv (ST_NOSUID) 746 const_iv (ST_NOSUID)
706 const_iv (ST_NODEV) 747 const_iv (ST_NODEV)
707 const_iv (ST_NOEXEC) 748 const_iv (ST_NOEXEC)
708 const_iv (ST_SYNCHRONOUS) 749 const_iv (ST_SYNCHRONOUS)
… …
712 const_iv (ST_IMMUTABLE) 753 const_iv (ST_IMMUTABLE)
713 const_iv (ST_NOATIME) 754 const_iv (ST_NOATIME)
714 const_iv (ST_NODIRATIME) 755 const_iv (ST_NODIRATIME)
715 const_iv (ST_RELATIME) 756 const_iv (ST_RELATIME)
716 757
758 const_iv (PROT_NONE)
717 const_iv (PROT_EXEC) 759 const_iv (PROT_EXEC)
718 const_iv (PROT_NONE)
719 const_iv (PROT_READ) 760 const_iv (PROT_READ)
720 const_iv (PROT_WRITE) 761 const_iv (PROT_WRITE)
721 762
722 /*const_iv (MAP_FIXED)*/ 763 /*const_iv (MAP_FIXED)*/
723 const_iv (MAP_PRIVATE) 764 const_iv (MAP_PRIVATE)
… …
729 const_iv (MAP_LOCKED) 770 const_iv (MAP_LOCKED)
730 const_iv (MAP_NORESERVE) 771 const_iv (MAP_NORESERVE)
731 const_iv (MAP_POPULATE) 772 const_iv (MAP_POPULATE)
732 const_iv (MAP_NONBLOCK) 773 const_iv (MAP_NONBLOCK)
733 774
734 const_iv (MCL_FUTURE) 775 const_eio (MCL_FUTURE)
735 const_iv (MCL_CURRENT) 776 const_eio (MCL_CURRENT)
736 777
737 const_eio (MS_ASYNC) 778 const_eio (MS_ASYNC)
738 const_eio (MS_INVALIDATE) 779 const_eio (MS_INVALIDATE)
739 const_eio (MS_SYNC) 780 const_eio (MS_SYNC)
740 781
… …
814 CODE: 855 CODE:
815 max_outstanding = maxreqs; 856 max_outstanding = maxreqs;
816 857
817void 858void
818aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) 859aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef)
819 PROTOTYPE: $$$;$
820 PPCODE: 860 PPCODE:
821{ 861{
822 dREQ; 862 dREQ;
823 863
824 req->type = EIO_OPEN; 864 req->type = EIO_OPEN;
… …
830 REQ_SEND; 870 REQ_SEND;
831} 871}
832 872
833void 873void
834aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 874aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
835 PROTOTYPE: $;$
836 ALIAS: 875 ALIAS:
837 aio_fsync = EIO_FSYNC 876 aio_fsync = EIO_FSYNC
838 aio_fdatasync = EIO_FDATASYNC 877 aio_fdatasync = EIO_FDATASYNC
839 PPCODE: 878 PPCODE:
840{ 879{
… …
848 REQ_SEND (req); 887 REQ_SEND (req);
849} 888}
850 889
851void 890void
852aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 891aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
853 PROTOTYPE: $$$$;$
854 PPCODE: 892 PPCODE:
855{ 893{
856 int fd = s_fileno_croak (fh, 0); 894 int fd = s_fileno_croak (fh, 0);
857 dREQ; 895 dREQ;
858 896
… …
866 REQ_SEND (req); 904 REQ_SEND (req);
867} 905}
868 906
869void 907void
870aio_close (SV *fh, SV *callback=&PL_sv_undef) 908aio_close (SV *fh, SV *callback=&PL_sv_undef)
871 PROTOTYPE: $;$
872 PPCODE: 909 PPCODE:
873{ 910{
874 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 911 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
875 int fd = s_fileno_croak (fh, 0); 912 int fd = s_fileno_croak (fh, 0);
876 dREQ; 913 dREQ;
… …
898void 935void
899aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 936aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
900 ALIAS: 937 ALIAS:
901 aio_read = EIO_READ 938 aio_read = EIO_READ
902 aio_write = EIO_WRITE 939 aio_write = EIO_WRITE
903 PROTOTYPE: $$$$$;$
904 PPCODE: 940 PPCODE:
905{ 941{
906 STRLEN svlen; 942 STRLEN svlen;
907 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 943 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
908 char *svptr = SvPVbyte (data, svlen); 944 char *svptr = SvPVbyte (data, svlen);
… …
949 } 985 }
950} 986}
951 987
952void 988void
953aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 989aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
954 PROTOTYPE: $$;$
955 PPCODE: 990 PPCODE:
956{ 991{
957 SV *data; 992 SV *data;
958 dREQ; 993 dREQ;
959 994
… …
964 REQ_SEND; 999 REQ_SEND;
965} 1000}
966 1001
967void 1002void
968aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) 1003aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef)
969 PROTOTYPE: $$$$;$
970 PPCODE: 1004 PPCODE:
971{ 1005{
972 int ifd = s_fileno_croak (in_fh , 0); 1006 int ifd = s_fileno_croak (in_fh , 0);
973 int ofd = s_fileno_croak (out_fh, 1); 1007 int ofd = s_fileno_croak (out_fh, 1);
974 dREQ; 1008 dREQ;
… …
984 REQ_SEND; 1018 REQ_SEND;
985} 1019}
986 1020
987void 1021void
988aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1022aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
989 PROTOTYPE: $$$;$
990 PPCODE: 1023 PPCODE:
991{ 1024{
992 int fd = s_fileno_croak (fh, 0); 1025 int fd = s_fileno_croak (fh, 0);
993 dREQ; 1026 dREQ;
994 1027
… …
1195void 1228void
1196aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) 1229aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef)
1197 ALIAS: 1230 ALIAS:
1198 aio_mtouch = EIO_MTOUCH 1231 aio_mtouch = EIO_MTOUCH
1199 aio_msync = EIO_MSYNC 1232 aio_msync = EIO_MSYNC
1200 PROTOTYPE: $$$$;$
1201 PPCODE: 1233 PPCODE:
1202{ 1234{
1203 STRLEN svlen; 1235 STRLEN svlen;
1236 char *svptr = SvPVbyte (data, svlen);
1204 UV len = SvUV (length); 1237 UV len = SvUV (length);
1205 char *svptr = SvPVbyte (data, svlen);
1206 1238
1207 if (offset < 0) 1239 if (offset < 0)
1208 offset += svlen; 1240 offset += svlen;
1209 1241
1210 if (offset < 0 || offset > svlen) 1242 if (offset < 0 || offset > svlen)
… …
1215 1247
1216 { 1248 {
1217 dREQ; 1249 dREQ;
1218 1250
1219 req->type = ix; 1251 req->type = ix;
1220 req->size = len;
1221 req->sv2 = SvREFCNT_inc (data); 1252 req->sv2 = SvREFCNT_inc (data);
1222 req->ptr2 = (char *)svptr + offset; 1253 req->ptr2 = (char *)svptr + offset;
1254 req->size = len;
1223 req->int1 = flags; 1255 req->int1 = flags;
1224 1256
1225 REQ_SEND; 1257 REQ_SEND;
1226 } 1258 }
1227} 1259}
1228 1260
1229void 1261void
1262aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef)
1263 PPCODE:
1264{
1265 STRLEN svlen;
1266 char *svptr = SvPVbyte (data, svlen);
1267 UV len = SvUV (length);
1268
1269 if (offset < 0)
1270 offset += svlen;
1271
1272 if (offset < 0 || offset > svlen)
1273 croak ("offset outside of scalar");
1274
1275 if (!SvOK (length) || len + offset > svlen)
1276 len = svlen - offset;
1277
1278 {
1279 dREQ;
1280
1281 req->type = EIO_MLOCK;
1282 req->sv2 = SvREFCNT_inc (data);
1283 req->ptr2 = (char *)svptr + offset;
1284 req->size = len;
1285
1286 REQ_SEND;
1287 }
1288}
1289
1290void
1291aio_mlockall (IV flags, SV *callback=&PL_sv_undef)
1292 PPCODE:
1293{
1294 dREQ;
1295
1296 req->type = EIO_MLOCKALL;
1297 req->int1 = flags;
1298
1299 REQ_SEND;
1300}
1301
1302void
1230aio_busy (double delay, SV *callback=&PL_sv_undef) 1303aio_busy (double delay, SV *callback=&PL_sv_undef)
1231 PPCODE: 1304 PPCODE:
1232{ 1305{
1233 dREQ; 1306 dREQ;
1234 1307
… …
1238 REQ_SEND; 1311 REQ_SEND;
1239} 1312}
1240 1313
1241void 1314void
1242aio_group (SV *callback=&PL_sv_undef) 1315aio_group (SV *callback=&PL_sv_undef)
1243 PROTOTYPE: ;$
1244 PPCODE: 1316 PPCODE:
1245{ 1317{
1246 dREQ; 1318 dREQ;
1247 1319
1248 req->type = EIO_GROUP; 1320 req->type = EIO_GROUP;
… …
1265 REQ_SEND; 1337 REQ_SEND;
1266} 1338}
1267 1339
1268int 1340int
1269aioreq_pri (int pri = 0) 1341aioreq_pri (int pri = 0)
1270 PROTOTYPE: ;$
1271 CODE: 1342 CODE:
1272 RETVAL = next_pri; 1343 RETVAL = next_pri;
1273 if (items > 0) 1344 if (items > 0)
1274 { 1345 {
1275 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1346 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1287 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1358 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1288 next_pri = nice; 1359 next_pri = nice;
1289 1360
1290void 1361void
1291flush () 1362flush ()
1292 PROTOTYPE:
1293 CODE: 1363 CODE:
1294 while (eio_nreqs ()) 1364 while (eio_nreqs ())
1295 { 1365 {
1296 poll_wait (); 1366 poll_wait ();
1297 poll_cb (); 1367 poll_cb ();
1298 } 1368 }
1299 1369
1300int 1370int
1301poll() 1371poll ()
1302 PROTOTYPE:
1303 CODE: 1372 CODE:
1304 poll_wait (); 1373 poll_wait ();
1305 RETVAL = poll_cb (); 1374 RETVAL = poll_cb ();
1306 OUTPUT: 1375 OUTPUT:
1307 RETVAL 1376 RETVAL
1308 1377
1309int 1378int
1310poll_fileno() 1379poll_fileno ()
1311 PROTOTYPE:
1312 CODE: 1380 CODE:
1313 RETVAL = s_epipe_fd (&respipe); 1381 RETVAL = s_epipe_fd (&respipe);
1314 OUTPUT: 1382 OUTPUT:
1315 RETVAL 1383 RETVAL
1316 1384
1317int 1385int
1318poll_cb(...) 1386poll_cb (...)
1319 PROTOTYPE: 1387 PROTOTYPE:
1320 CODE: 1388 CODE:
1321 RETVAL = poll_cb (); 1389 RETVAL = poll_cb ();
1322 OUTPUT: 1390 OUTPUT:
1323 RETVAL 1391 RETVAL
1324 1392
1325void 1393void
1326poll_wait() 1394poll_wait ()
1327 PROTOTYPE:
1328 CODE: 1395 CODE:
1329 poll_wait (); 1396 poll_wait ();
1330 1397
1331int 1398int
1332nreqs() 1399nreqs ()
1333 PROTOTYPE:
1334 CODE: 1400 CODE:
1335 RETVAL = eio_nreqs (); 1401 RETVAL = eio_nreqs ();
1336 OUTPUT: 1402 OUTPUT:
1337 RETVAL 1403 RETVAL
1338 1404
1339int 1405int
1340nready() 1406nready ()
1341 PROTOTYPE:
1342 CODE: 1407 CODE:
1343 RETVAL = eio_nready (); 1408 RETVAL = eio_nready ();
1344 OUTPUT: 1409 OUTPUT:
1345 RETVAL 1410 RETVAL
1346 1411
1347int 1412int
1348npending() 1413npending ()
1349 PROTOTYPE:
1350 CODE: 1414 CODE:
1351 RETVAL = eio_npending (); 1415 RETVAL = eio_npending ();
1352 OUTPUT: 1416 OUTPUT:
1353 RETVAL 1417 RETVAL
1354 1418
1355int 1419int
1356nthreads() 1420nthreads ()
1357 PROTOTYPE:
1358 CODE: 1421 CODE:
1359 RETVAL = eio_nthreads (); 1422 RETVAL = eio_nthreads ();
1360 OUTPUT: 1423 OUTPUT:
1361 RETVAL 1424 RETVAL
1362 1425
1363int 1426int
1364fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1427fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1365 PROTOTYPE: $$$$
1366 CODE: 1428 CODE:
1367#if _XOPEN_SOURCE >= 600 && !NO_FADVISE
1368 RETVAL = posix_fadvise (fh, offset, length, advice); 1429 RETVAL = posix_fadvise (fh, offset, length, advice);
1369#else
1370 RETVAL = errno = ENOSYS; /* yes, this is actually correct */
1371#endif
1372 OUTPUT: 1430 OUTPUT:
1373 RETVAL 1431 RETVAL
1374 1432
1375ssize_t 1433ssize_t
1376sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1434sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1377 PROTOTYPE: $$$$
1378 CODE: 1435 CODE:
1379 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1436 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1380 OUTPUT: 1437 OUTPUT:
1381 RETVAL 1438 RETVAL
1382 1439
1383void 1440void
1384mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1441mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1385 PROTOTYPE: $$$$$;$
1386 PPCODE: 1442 PPCODE:
1387 sv_unmagic (scalar, MMAP_MAGIC); 1443 sv_unmagic (scalar, MMAP_MAGIC);
1388{ 1444{
1389 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1445 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1390 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1446 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1413 XSRETURN_YES; 1469 XSRETURN_YES;
1414} 1470}
1415 1471
1416void 1472void
1417munmap (SV *scalar) 1473munmap (SV *scalar)
1418 PROTOTYPE: $
1419 CODE: 1474 CODE:
1420 sv_unmagic (scalar, MMAP_MAGIC); 1475 sv_unmagic (scalar, MMAP_MAGIC);
1421 1476
1422int 1477int
1423mlockall (int flags) 1478madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1424 PROTOTYPE: $ 1479 ALIAS:
1480 mprotect = 1
1425 CODE: 1481 CODE:
1482{
1483 STRLEN svlen;
1484 void *addr = SvPVbyte (scalar, svlen);
1485 size_t len = SvUV (length);
1486
1487 if (offset < 0)
1488 offset += svlen;
1489
1490 if (offset < 0 || offset > svlen)
1491 croak ("offset outside of scalar");
1492
1493 if (!SvOK (length) || len + offset > svlen)
1494 len = svlen - offset;
1495
1496 addr = (void *)(((intptr_t)addr) + offset);
1497 eio_page_align (&addr, &len);
1498
1499 switch (ix)
1500 {
1501 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1502 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1503 }
1504}
1505 OUTPUT:
1506 RETVAL
1507
1508int
1509munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1510 CODE:
1511{
1512 STRLEN svlen;
1513 void *addr = SvPVbyte (scalar, svlen);
1514 size_t len = SvUV (length);
1515
1516 if (offset < 0)
1517 offset += svlen;
1518
1519 if (offset < 0 || offset > svlen)
1520 croak ("offset outside of scalar");
1521
1522 if (!SvOK (length) || len + offset > svlen)
1523 len = svlen - offset;
1524
1525 addr = (void *)(((intptr_t)addr) + offset);
1526 eio_page_align (&addr, &len);
1426#if _POSIX_MEMLOCK 1527#if _POSIX_MEMLOCK
1427#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1528 RETVAL = munlock (addr, len);
1428 extern int mallopt (int, int);
1429 mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */
1430#endif
1431 mlockall (flags);
1432#else 1529#else
1433 RETVAL = -1; 1530 RETVAL = ((errno = ENOSYS), -1);
1434 errno = ENOSYS;
1435#endif 1531#endif
1532}
1436 OUTPUT: 1533 OUTPUT:
1437 RETVAL 1534 RETVAL
1438 1535
1439int 1536int
1440munlockall () 1537munlockall ()
1441 PROTOTYPE:
1442 CODE: 1538 CODE:
1443#if _POSIX_MEMLOCK 1539#if _POSIX_MEMLOCK
1444 munlockall (); 1540 munlockall ();
1445#else 1541#else
1446 RETVAL = -1; 1542 RETVAL = -1;

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