ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/IO-AIO/AIO.xs
(Generate patch)

Comparing IO-AIO/AIO.xs (file contents):
Revision 1.170 by root, Wed Aug 4 16:09:36 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
145#if _XOPEN_SOURCE < 600 || NO_FADVISE 144#if !HAVE_POSIX_FADVISE
146# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ 145# define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */
147#endif 146#endif
148 147
149#ifndef POSIX_MADV_NORMAL 148#ifndef POSIX_MADV_NORMAL
150# define POSIX_MADV_NORMAL 0 149# define POSIX_MADV_NORMAL 0
151# define NO_MADVISE 1
152#endif 150#endif
153#ifndef POSIX_MADV_SEQUENTIAL 151#ifndef POSIX_MADV_SEQUENTIAL
154# define POSIX_MADV_SEQUENTIAL 0 152# define POSIX_MADV_SEQUENTIAL 0
155#endif 153#endif
156#ifndef POSIX_MADV_RANDOM 154#ifndef POSIX_MADV_RANDOM
… …
161#endif 159#endif
162#ifndef POSIX_MADV_DONTNEED 160#ifndef POSIX_MADV_DONTNEED
163# define POSIX_MADV_DONTNEED 0 161# define POSIX_MADV_DONTNEED 0
164#endif 162#endif
165 163
166#if _XOPEN_SOURCE < 600 || NO_MADVISE 164#if !HAVE_POSIX_MADVISE
167# define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ 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
168#endif 179#endif
169 180
170#ifndef ST_NODEV 181#ifndef ST_NODEV
171# define ST_NODEV 0 182# define ST_NODEV 0
172#endif 183#endif
… …
194#ifndef ST_NODIRATIME 205#ifndef ST_NODIRATIME
195# define ST_NODIRATIME 0 206# define ST_NODIRATIME 0
196#endif 207#endif
197#ifndef ST_RELATIME 208#ifndef ST_RELATIME
198# define ST_RELATIME 0 209# define ST_RELATIME 0
199#endif
200
201#ifndef MCL_CURRENT
202# define MCL_CURRENT 0
203#endif
204#ifndef MCL_FUTURE
205# define MCL_FUTURE 0
206#endif 210#endif
207 211
208#ifndef MAP_ANONYMOUS 212#ifndef MAP_ANONYMOUS
209# ifdef MAP_ANON 213# ifdef MAP_ANON
210# define MAP_ANONYMOUS MAP_ANON 214# define MAP_ANONYMOUS MAP_ANON
… …
631/*****************************************************************************/ 635/*****************************************************************************/
632 636
633#if !_POSIX_MAPPED_FILES 637#if !_POSIX_MAPPED_FILES
634# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 638# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
635# 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
636#endif 646#endif
637 647
638#define MMAP_MAGIC PERL_MAGIC_ext 648#define MMAP_MAGIC PERL_MAGIC_ext
639 649
640static int 650static int
… …
743 const_iv (ST_IMMUTABLE) 753 const_iv (ST_IMMUTABLE)
744 const_iv (ST_NOATIME) 754 const_iv (ST_NOATIME)
745 const_iv (ST_NODIRATIME) 755 const_iv (ST_NODIRATIME)
746 const_iv (ST_RELATIME) 756 const_iv (ST_RELATIME)
747 757
758 const_iv (PROT_NONE)
748 const_iv (PROT_EXEC) 759 const_iv (PROT_EXEC)
749 const_iv (PROT_NONE)
750 const_iv (PROT_READ) 760 const_iv (PROT_READ)
751 const_iv (PROT_WRITE) 761 const_iv (PROT_WRITE)
752 762
753 /*const_iv (MAP_FIXED)*/ 763 /*const_iv (MAP_FIXED)*/
754 const_iv (MAP_PRIVATE) 764 const_iv (MAP_PRIVATE)
… …
760 const_iv (MAP_LOCKED) 770 const_iv (MAP_LOCKED)
761 const_iv (MAP_NORESERVE) 771 const_iv (MAP_NORESERVE)
762 const_iv (MAP_POPULATE) 772 const_iv (MAP_POPULATE)
763 const_iv (MAP_NONBLOCK) 773 const_iv (MAP_NONBLOCK)
764 774
765 const_iv (MCL_FUTURE) 775 const_eio (MCL_FUTURE)
766 const_iv (MCL_CURRENT) 776 const_eio (MCL_CURRENT)
767 777
768 const_eio (MS_ASYNC) 778 const_eio (MS_ASYNC)
769 const_eio (MS_INVALIDATE) 779 const_eio (MS_INVALIDATE)
770 const_eio (MS_SYNC) 780 const_eio (MS_SYNC)
771 781
… …
845 CODE: 855 CODE:
846 max_outstanding = maxreqs; 856 max_outstanding = maxreqs;
847 857
848void 858void
849aio_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)
850 PROTOTYPE: $$$;$
851 PPCODE: 860 PPCODE:
852{ 861{
853 dREQ; 862 dREQ;
854 863
855 req->type = EIO_OPEN; 864 req->type = EIO_OPEN;
… …
861 REQ_SEND; 870 REQ_SEND;
862} 871}
863 872
864void 873void
865aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 874aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
866 PROTOTYPE: $;$
867 ALIAS: 875 ALIAS:
868 aio_fsync = EIO_FSYNC 876 aio_fsync = EIO_FSYNC
869 aio_fdatasync = EIO_FDATASYNC 877 aio_fdatasync = EIO_FDATASYNC
870 PPCODE: 878 PPCODE:
871{ 879{
… …
879 REQ_SEND (req); 887 REQ_SEND (req);
880} 888}
881 889
882void 890void
883aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 891aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
884 PROTOTYPE: $$$$;$
885 PPCODE: 892 PPCODE:
886{ 893{
887 int fd = s_fileno_croak (fh, 0); 894 int fd = s_fileno_croak (fh, 0);
888 dREQ; 895 dREQ;
889 896
… …
897 REQ_SEND (req); 904 REQ_SEND (req);
898} 905}
899 906
900void 907void
901aio_close (SV *fh, SV *callback=&PL_sv_undef) 908aio_close (SV *fh, SV *callback=&PL_sv_undef)
902 PROTOTYPE: $;$
903 PPCODE: 909 PPCODE:
904{ 910{
905 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 911 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
906 int fd = s_fileno_croak (fh, 0); 912 int fd = s_fileno_croak (fh, 0);
907 dREQ; 913 dREQ;
… …
929void 935void
930aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 936aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
931 ALIAS: 937 ALIAS:
932 aio_read = EIO_READ 938 aio_read = EIO_READ
933 aio_write = EIO_WRITE 939 aio_write = EIO_WRITE
934 PROTOTYPE: $$$$$;$
935 PPCODE: 940 PPCODE:
936{ 941{
937 STRLEN svlen; 942 STRLEN svlen;
938 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 943 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
939 char *svptr = SvPVbyte (data, svlen); 944 char *svptr = SvPVbyte (data, svlen);
… …
980 } 985 }
981} 986}
982 987
983void 988void
984aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 989aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
985 PROTOTYPE: $$;$
986 PPCODE: 990 PPCODE:
987{ 991{
988 SV *data; 992 SV *data;
989 dREQ; 993 dREQ;
990 994
… …
995 REQ_SEND; 999 REQ_SEND;
996} 1000}
997 1001
998void 1002void
999aio_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)
1000 PROTOTYPE: $$$$;$
1001 PPCODE: 1004 PPCODE:
1002{ 1005{
1003 int ifd = s_fileno_croak (in_fh , 0); 1006 int ifd = s_fileno_croak (in_fh , 0);
1004 int ofd = s_fileno_croak (out_fh, 1); 1007 int ofd = s_fileno_croak (out_fh, 1);
1005 dREQ; 1008 dREQ;
… …
1015 REQ_SEND; 1018 REQ_SEND;
1016} 1019}
1017 1020
1018void 1021void
1019aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1022aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1020 PROTOTYPE: $$$;$
1021 PPCODE: 1023 PPCODE:
1022{ 1024{
1023 int fd = s_fileno_croak (fh, 0); 1025 int fd = s_fileno_croak (fh, 0);
1024 dREQ; 1026 dREQ;
1025 1027
… …
1226void 1228void
1227aio_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)
1228 ALIAS: 1230 ALIAS:
1229 aio_mtouch = EIO_MTOUCH 1231 aio_mtouch = EIO_MTOUCH
1230 aio_msync = EIO_MSYNC 1232 aio_msync = EIO_MSYNC
1231 PROTOTYPE: $$$$;$
1232 PPCODE: 1233 PPCODE:
1233{ 1234{
1234 STRLEN svlen; 1235 STRLEN svlen;
1236 char *svptr = SvPVbyte (data, svlen);
1235 UV len = SvUV (length); 1237 UV len = SvUV (length);
1236 char *svptr = SvPVbyte (data, svlen);
1237 1238
1238 if (offset < 0) 1239 if (offset < 0)
1239 offset += svlen; 1240 offset += svlen;
1240 1241
1241 if (offset < 0 || offset > svlen) 1242 if (offset < 0 || offset > svlen)
… …
1246 1247
1247 { 1248 {
1248 dREQ; 1249 dREQ;
1249 1250
1250 req->type = ix; 1251 req->type = ix;
1251 req->size = len;
1252 req->sv2 = SvREFCNT_inc (data); 1252 req->sv2 = SvREFCNT_inc (data);
1253 req->ptr2 = (char *)svptr + offset; 1253 req->ptr2 = (char *)svptr + offset;
1254 req->size = len;
1254 req->int1 = flags; 1255 req->int1 = flags;
1255 1256
1256 REQ_SEND; 1257 REQ_SEND;
1257 } 1258 }
1258} 1259}
1259 1260
1260void 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
1261aio_busy (double delay, SV *callback=&PL_sv_undef) 1303aio_busy (double delay, SV *callback=&PL_sv_undef)
1262 PPCODE: 1304 PPCODE:
1263{ 1305{
1264 dREQ; 1306 dREQ;
1265 1307
… …
1269 REQ_SEND; 1311 REQ_SEND;
1270} 1312}
1271 1313
1272void 1314void
1273aio_group (SV *callback=&PL_sv_undef) 1315aio_group (SV *callback=&PL_sv_undef)
1274 PROTOTYPE: ;$
1275 PPCODE: 1316 PPCODE:
1276{ 1317{
1277 dREQ; 1318 dREQ;
1278 1319
1279 req->type = EIO_GROUP; 1320 req->type = EIO_GROUP;
… …
1296 REQ_SEND; 1337 REQ_SEND;
1297} 1338}
1298 1339
1299int 1340int
1300aioreq_pri (int pri = 0) 1341aioreq_pri (int pri = 0)
1301 PROTOTYPE: ;$
1302 CODE: 1342 CODE:
1303 RETVAL = next_pri; 1343 RETVAL = next_pri;
1304 if (items > 0) 1344 if (items > 0)
1305 { 1345 {
1306 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1346 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
… …
1318 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1358 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1319 next_pri = nice; 1359 next_pri = nice;
1320 1360
1321void 1361void
1322flush () 1362flush ()
1323 PROTOTYPE:
1324 CODE: 1363 CODE:
1325 while (eio_nreqs ()) 1364 while (eio_nreqs ())
1326 { 1365 {
1327 poll_wait (); 1366 poll_wait ();
1328 poll_cb (); 1367 poll_cb ();
1329 } 1368 }
1330 1369
1331int 1370int
1332poll() 1371poll ()
1333 PROTOTYPE:
1334 CODE: 1372 CODE:
1335 poll_wait (); 1373 poll_wait ();
1336 RETVAL = poll_cb (); 1374 RETVAL = poll_cb ();
1337 OUTPUT: 1375 OUTPUT:
1338 RETVAL 1376 RETVAL
1339 1377
1340int 1378int
1341poll_fileno() 1379poll_fileno ()
1342 PROTOTYPE:
1343 CODE: 1380 CODE:
1344 RETVAL = s_epipe_fd (&respipe); 1381 RETVAL = s_epipe_fd (&respipe);
1345 OUTPUT: 1382 OUTPUT:
1346 RETVAL 1383 RETVAL
1347 1384
1348int 1385int
1349poll_cb(...) 1386poll_cb (...)
1350 PROTOTYPE: 1387 PROTOTYPE:
1351 CODE: 1388 CODE:
1352 RETVAL = poll_cb (); 1389 RETVAL = poll_cb ();
1353 OUTPUT: 1390 OUTPUT:
1354 RETVAL 1391 RETVAL
1355 1392
1356void 1393void
1357poll_wait() 1394poll_wait ()
1358 PROTOTYPE:
1359 CODE: 1395 CODE:
1360 poll_wait (); 1396 poll_wait ();
1361 1397
1362int 1398int
1363nreqs() 1399nreqs ()
1364 PROTOTYPE:
1365 CODE: 1400 CODE:
1366 RETVAL = eio_nreqs (); 1401 RETVAL = eio_nreqs ();
1367 OUTPUT: 1402 OUTPUT:
1368 RETVAL 1403 RETVAL
1369 1404
1370int 1405int
1371nready() 1406nready ()
1372 PROTOTYPE:
1373 CODE: 1407 CODE:
1374 RETVAL = eio_nready (); 1408 RETVAL = eio_nready ();
1375 OUTPUT: 1409 OUTPUT:
1376 RETVAL 1410 RETVAL
1377 1411
1378int 1412int
1379npending() 1413npending ()
1380 PROTOTYPE:
1381 CODE: 1414 CODE:
1382 RETVAL = eio_npending (); 1415 RETVAL = eio_npending ();
1383 OUTPUT: 1416 OUTPUT:
1384 RETVAL 1417 RETVAL
1385 1418
1386int 1419int
1387nthreads() 1420nthreads ()
1388 PROTOTYPE:
1389 CODE: 1421 CODE:
1390 RETVAL = eio_nthreads (); 1422 RETVAL = eio_nthreads ();
1391 OUTPUT: 1423 OUTPUT:
1392 RETVAL 1424 RETVAL
1393 1425
1394int 1426int
1395fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1427fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1396 PROTOTYPE: $$$$
1397 CODE: 1428 CODE:
1398 RETVAL = posix_fadvise (fh, offset, length, advice); 1429 RETVAL = posix_fadvise (fh, offset, length, advice);
1399 OUTPUT: 1430 OUTPUT:
1400 RETVAL 1431 RETVAL
1401 1432
1402ssize_t 1433ssize_t
1403sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1434sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1404 PROTOTYPE: $$$$
1405 CODE: 1435 CODE:
1406 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1436 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1407 OUTPUT: 1437 OUTPUT:
1408 RETVAL 1438 RETVAL
1409 1439
1410void 1440void
1411mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1441mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1412 PROTOTYPE: $$$$$;$
1413 PPCODE: 1442 PPCODE:
1414 sv_unmagic (scalar, MMAP_MAGIC); 1443 sv_unmagic (scalar, MMAP_MAGIC);
1415{ 1444{
1416 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1445 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1417 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1446 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
… …
1440 XSRETURN_YES; 1469 XSRETURN_YES;
1441} 1470}
1442 1471
1443void 1472void
1444munmap (SV *scalar) 1473munmap (SV *scalar)
1445 PROTOTYPE: $
1446 CODE: 1474 CODE:
1447 sv_unmagic (scalar, MMAP_MAGIC); 1475 sv_unmagic (scalar, MMAP_MAGIC);
1448 1476
1449int 1477int
1450madvise (SV *scalar, off_t offset, off_t length, IV advice) 1478madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1451 PROTOTYPE: $$$$ 1479 ALIAS:
1480 mprotect = 1
1452 CODE: 1481 CODE:
1453{ 1482{
1454 char *addr = SvPV_nolen (scalar) + offset; 1483 STRLEN svlen;
1484 void *addr = SvPVbyte (scalar, svlen);
1485 size_t len = SvUV (length);
1455 1486
1456 if (!SvOK (ST (2))) 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)
1457 length = SvCUR (scalar) - offset; 1494 len = svlen - offset;
1458 1495
1459 if (addr >= SvEND (scalar) || length <= 0) 1496 addr = (void *)(((intptr_t)addr) + offset);
1460 XSRETURN_EMPTY; 1497 eio_page_align (&addr, &len);
1461 1498
1499 switch (ix)
1500 {
1462 RETVAL = posix_madvise (addr, length, advice); 1501 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1502 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1503 }
1463} 1504}
1464 OUTPUT: 1505 OUTPUT:
1465 RETVAL 1506 RETVAL
1466 1507
1467int 1508int
1468mlockall (int flags) 1509munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1469 PROTOTYPE: $
1470 CODE: 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);
1471#if _POSIX_MEMLOCK 1527#if _POSIX_MEMLOCK
1472#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1528 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 1529#else
1478 RETVAL = -1; 1530 RETVAL = ((errno = ENOSYS), -1);
1479 errno = ENOSYS;
1480#endif 1531#endif
1532}
1481 OUTPUT: 1533 OUTPUT:
1482 RETVAL 1534 RETVAL
1483 1535
1484int 1536int
1485munlockall () 1537munlockall ()
1486 PROTOTYPE:
1487 CODE: 1538 CODE:
1488#if _POSIX_MEMLOCK 1539#if _POSIX_MEMLOCK
1489 munlockall (); 1540 munlockall ();
1490#else 1541#else
1491 RETVAL = -1; 1542 RETVAL = -1;

Diff Legend

– Removed lines
+ Added lines
< Changed lines
> Changed lines