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 1.171 by root, Wed Aug 4 17:16:19 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 */
168#endif 166#endif
169 167
170#ifndef PROT_NONE 168#ifndef PROT_NONE
171# define PROT_NONE 0 169# define PROT_NONE 0
207#ifndef ST_NODIRATIME 205#ifndef ST_NODIRATIME
208# define ST_NODIRATIME 0 206# define ST_NODIRATIME 0
209#endif 207#endif
210#ifndef ST_RELATIME 208#ifndef ST_RELATIME
211# define ST_RELATIME 0 209# define ST_RELATIME 0
212#endif
213
214#ifndef MCL_CURRENT
215# define MCL_CURRENT 0
216#endif
217#ifndef MCL_FUTURE
218# define MCL_FUTURE 0
219#endif 210#endif
220 211
221#ifndef MAP_ANONYMOUS 212#ifndef MAP_ANONYMOUS
222# ifdef MAP_ANON 213# ifdef MAP_ANON
223# define MAP_ANONYMOUS MAP_ANON 214# define MAP_ANONYMOUS MAP_ANON
645 636
646#if !_POSIX_MAPPED_FILES 637#if !_POSIX_MAPPED_FILES
647# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) 638# define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1)
648# define munmap(addr,length) (errno = ENOSYS, -1) 639# define munmap(addr,length) (errno = ENOSYS, -1)
649# define mprotect(addr,len,prot) (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
650#endif 646#endif
651 647
652#define MMAP_MAGIC PERL_MAGIC_ext 648#define MMAP_MAGIC PERL_MAGIC_ext
653 649
654static int 650static int
774 const_iv (MAP_LOCKED) 770 const_iv (MAP_LOCKED)
775 const_iv (MAP_NORESERVE) 771 const_iv (MAP_NORESERVE)
776 const_iv (MAP_POPULATE) 772 const_iv (MAP_POPULATE)
777 const_iv (MAP_NONBLOCK) 773 const_iv (MAP_NONBLOCK)
778 774
779 const_iv (MCL_FUTURE) 775 const_eio (MCL_FUTURE)
780 const_iv (MCL_CURRENT) 776 const_eio (MCL_CURRENT)
781 777
782 const_eio (MS_ASYNC) 778 const_eio (MS_ASYNC)
783 const_eio (MS_INVALIDATE) 779 const_eio (MS_INVALIDATE)
784 const_eio (MS_SYNC) 780 const_eio (MS_SYNC)
785 781
859 CODE: 855 CODE:
860 max_outstanding = maxreqs; 856 max_outstanding = maxreqs;
861 857
862void 858void
863aio_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)
864 PROTOTYPE: $$$;$
865 PPCODE: 860 PPCODE:
866{ 861{
867 dREQ; 862 dREQ;
868 863
869 req->type = EIO_OPEN; 864 req->type = EIO_OPEN;
875 REQ_SEND; 870 REQ_SEND;
876} 871}
877 872
878void 873void
879aio_fsync (SV *fh, SV *callback=&PL_sv_undef) 874aio_fsync (SV *fh, SV *callback=&PL_sv_undef)
880 PROTOTYPE: $;$
881 ALIAS: 875 ALIAS:
882 aio_fsync = EIO_FSYNC 876 aio_fsync = EIO_FSYNC
883 aio_fdatasync = EIO_FDATASYNC 877 aio_fdatasync = EIO_FDATASYNC
884 PPCODE: 878 PPCODE:
885{ 879{
893 REQ_SEND (req); 887 REQ_SEND (req);
894} 888}
895 889
896void 890void
897aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) 891aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef)
898 PROTOTYPE: $$$$;$
899 PPCODE: 892 PPCODE:
900{ 893{
901 int fd = s_fileno_croak (fh, 0); 894 int fd = s_fileno_croak (fh, 0);
902 dREQ; 895 dREQ;
903 896
911 REQ_SEND (req); 904 REQ_SEND (req);
912} 905}
913 906
914void 907void
915aio_close (SV *fh, SV *callback=&PL_sv_undef) 908aio_close (SV *fh, SV *callback=&PL_sv_undef)
916 PROTOTYPE: $;$
917 PPCODE: 909 PPCODE:
918{ 910{
919 static int close_pipe = -1; /* dummy fd to close fds via dup2 */ 911 static int close_pipe = -1; /* dummy fd to close fds via dup2 */
920 int fd = s_fileno_croak (fh, 0); 912 int fd = s_fileno_croak (fh, 0);
921 dREQ; 913 dREQ;
943void 935void
944aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) 936aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef)
945 ALIAS: 937 ALIAS:
946 aio_read = EIO_READ 938 aio_read = EIO_READ
947 aio_write = EIO_WRITE 939 aio_write = EIO_WRITE
948 PROTOTYPE: $$$$$;$
949 PPCODE: 940 PPCODE:
950{ 941{
951 STRLEN svlen; 942 STRLEN svlen;
952 int fd = s_fileno_croak (fh, ix == EIO_WRITE); 943 int fd = s_fileno_croak (fh, ix == EIO_WRITE);
953 char *svptr = SvPVbyte (data, svlen); 944 char *svptr = SvPVbyte (data, svlen);
994 } 985 }
995} 986}
996 987
997void 988void
998aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) 989aio_readlink (SV8 *path, SV *callback=&PL_sv_undef)
999 PROTOTYPE: $$;$
1000 PPCODE: 990 PPCODE:
1001{ 991{
1002 SV *data; 992 SV *data;
1003 dREQ; 993 dREQ;
1004 994
1009 REQ_SEND; 999 REQ_SEND;
1010} 1000}
1011 1001
1012void 1002void
1013aio_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)
1014 PROTOTYPE: $$$$;$
1015 PPCODE: 1004 PPCODE:
1016{ 1005{
1017 int ifd = s_fileno_croak (in_fh , 0); 1006 int ifd = s_fileno_croak (in_fh , 0);
1018 int ofd = s_fileno_croak (out_fh, 1); 1007 int ofd = s_fileno_croak (out_fh, 1);
1019 dREQ; 1008 dREQ;
1029 REQ_SEND; 1018 REQ_SEND;
1030} 1019}
1031 1020
1032void 1021void
1033aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) 1022aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef)
1034 PROTOTYPE: $$$;$
1035 PPCODE: 1023 PPCODE:
1036{ 1024{
1037 int fd = s_fileno_croak (fh, 0); 1025 int fd = s_fileno_croak (fh, 0);
1038 dREQ; 1026 dREQ;
1039 1027
1240void 1228void
1241aio_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)
1242 ALIAS: 1230 ALIAS:
1243 aio_mtouch = EIO_MTOUCH 1231 aio_mtouch = EIO_MTOUCH
1244 aio_msync = EIO_MSYNC 1232 aio_msync = EIO_MSYNC
1245 PROTOTYPE: $$$$;$
1246 PPCODE: 1233 PPCODE:
1247{ 1234{
1248 STRLEN svlen; 1235 STRLEN svlen;
1236 char *svptr = SvPVbyte (data, svlen);
1249 UV len = SvUV (length); 1237 UV len = SvUV (length);
1250 char *svptr = SvPVbyte (data, svlen);
1251 1238
1252 if (offset < 0) 1239 if (offset < 0)
1253 offset += svlen; 1240 offset += svlen;
1254 1241
1255 if (offset < 0 || offset > svlen) 1242 if (offset < 0 || offset > svlen)
1260 1247
1261 { 1248 {
1262 dREQ; 1249 dREQ;
1263 1250
1264 req->type = ix; 1251 req->type = ix;
1265 req->size = len;
1266 req->sv2 = SvREFCNT_inc (data); 1252 req->sv2 = SvREFCNT_inc (data);
1267 req->ptr2 = (char *)svptr + offset; 1253 req->ptr2 = (char *)svptr + offset;
1254 req->size = len;
1268 req->int1 = flags; 1255 req->int1 = flags;
1269 1256
1270 REQ_SEND; 1257 REQ_SEND;
1271 } 1258 }
1272} 1259}
1273 1260
1274void 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
1275aio_busy (double delay, SV *callback=&PL_sv_undef) 1303aio_busy (double delay, SV *callback=&PL_sv_undef)
1276 PPCODE: 1304 PPCODE:
1277{ 1305{
1278 dREQ; 1306 dREQ;
1279 1307
1283 REQ_SEND; 1311 REQ_SEND;
1284} 1312}
1285 1313
1286void 1314void
1287aio_group (SV *callback=&PL_sv_undef) 1315aio_group (SV *callback=&PL_sv_undef)
1288 PROTOTYPE: ;$
1289 PPCODE: 1316 PPCODE:
1290{ 1317{
1291 dREQ; 1318 dREQ;
1292 1319
1293 req->type = EIO_GROUP; 1320 req->type = EIO_GROUP;
1310 REQ_SEND; 1337 REQ_SEND;
1311} 1338}
1312 1339
1313int 1340int
1314aioreq_pri (int pri = 0) 1341aioreq_pri (int pri = 0)
1315 PROTOTYPE: ;$
1316 CODE: 1342 CODE:
1317 RETVAL = next_pri; 1343 RETVAL = next_pri;
1318 if (items > 0) 1344 if (items > 0)
1319 { 1345 {
1320 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; 1346 if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN;
1332 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; 1358 if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX;
1333 next_pri = nice; 1359 next_pri = nice;
1334 1360
1335void 1361void
1336flush () 1362flush ()
1337 PROTOTYPE:
1338 CODE: 1363 CODE:
1339 while (eio_nreqs ()) 1364 while (eio_nreqs ())
1340 { 1365 {
1341 poll_wait (); 1366 poll_wait ();
1342 poll_cb (); 1367 poll_cb ();
1343 } 1368 }
1344 1369
1345int 1370int
1346poll() 1371poll ()
1347 PROTOTYPE:
1348 CODE: 1372 CODE:
1349 poll_wait (); 1373 poll_wait ();
1350 RETVAL = poll_cb (); 1374 RETVAL = poll_cb ();
1351 OUTPUT: 1375 OUTPUT:
1352 RETVAL 1376 RETVAL
1353 1377
1354int 1378int
1355poll_fileno() 1379poll_fileno ()
1356 PROTOTYPE:
1357 CODE: 1380 CODE:
1358 RETVAL = s_epipe_fd (&respipe); 1381 RETVAL = s_epipe_fd (&respipe);
1359 OUTPUT: 1382 OUTPUT:
1360 RETVAL 1383 RETVAL
1361 1384
1362int 1385int
1363poll_cb(...) 1386poll_cb (...)
1364 PROTOTYPE: 1387 PROTOTYPE:
1365 CODE: 1388 CODE:
1366 RETVAL = poll_cb (); 1389 RETVAL = poll_cb ();
1367 OUTPUT: 1390 OUTPUT:
1368 RETVAL 1391 RETVAL
1369 1392
1370void 1393void
1371poll_wait() 1394poll_wait ()
1372 PROTOTYPE:
1373 CODE: 1395 CODE:
1374 poll_wait (); 1396 poll_wait ();
1375 1397
1376int 1398int
1377nreqs() 1399nreqs ()
1378 PROTOTYPE:
1379 CODE: 1400 CODE:
1380 RETVAL = eio_nreqs (); 1401 RETVAL = eio_nreqs ();
1381 OUTPUT: 1402 OUTPUT:
1382 RETVAL 1403 RETVAL
1383 1404
1384int 1405int
1385nready() 1406nready ()
1386 PROTOTYPE:
1387 CODE: 1407 CODE:
1388 RETVAL = eio_nready (); 1408 RETVAL = eio_nready ();
1389 OUTPUT: 1409 OUTPUT:
1390 RETVAL 1410 RETVAL
1391 1411
1392int 1412int
1393npending() 1413npending ()
1394 PROTOTYPE:
1395 CODE: 1414 CODE:
1396 RETVAL = eio_npending (); 1415 RETVAL = eio_npending ();
1397 OUTPUT: 1416 OUTPUT:
1398 RETVAL 1417 RETVAL
1399 1418
1400int 1419int
1401nthreads() 1420nthreads ()
1402 PROTOTYPE:
1403 CODE: 1421 CODE:
1404 RETVAL = eio_nthreads (); 1422 RETVAL = eio_nthreads ();
1405 OUTPUT: 1423 OUTPUT:
1406 RETVAL 1424 RETVAL
1407 1425
1408int 1426int
1409fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) 1427fadvise (aio_rfd fh, off_t offset, off_t length, IV advice)
1410 PROTOTYPE: $$$$
1411 CODE: 1428 CODE:
1412 RETVAL = posix_fadvise (fh, offset, length, advice); 1429 RETVAL = posix_fadvise (fh, offset, length, advice);
1413 OUTPUT: 1430 OUTPUT:
1414 RETVAL 1431 RETVAL
1415 1432
1416ssize_t 1433ssize_t
1417sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) 1434sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count)
1418 PROTOTYPE: $$$$
1419 CODE: 1435 CODE:
1420 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); 1436 RETVAL = eio_sendfile_sync (ofh, ifh, offset, count);
1421 OUTPUT: 1437 OUTPUT:
1422 RETVAL 1438 RETVAL
1423 1439
1424void 1440void
1425mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) 1441mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0)
1426 PROTOTYPE: $$$$$;$
1427 PPCODE: 1442 PPCODE:
1428 sv_unmagic (scalar, MMAP_MAGIC); 1443 sv_unmagic (scalar, MMAP_MAGIC);
1429{ 1444{
1430 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; 1445 int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1;
1431 void *addr = (void *)mmap (0, length, prot, flags, fd, offset); 1446 void *addr = (void *)mmap (0, length, prot, flags, fd, offset);
1454 XSRETURN_YES; 1469 XSRETURN_YES;
1455} 1470}
1456 1471
1457void 1472void
1458munmap (SV *scalar) 1473munmap (SV *scalar)
1459 PROTOTYPE: $
1460 CODE: 1474 CODE:
1461 sv_unmagic (scalar, MMAP_MAGIC); 1475 sv_unmagic (scalar, MMAP_MAGIC);
1462 1476
1463int 1477int
1464madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) 1478madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot)
1465 ALIAS: 1479 ALIAS:
1466 mprotect = 1 1480 mprotect = 1
1467 PROTOTYPE: $$$$
1468 CODE: 1481 CODE:
1469{ 1482{
1470 STRLEN cur; 1483 STRLEN svlen;
1471 char *addr = SvPVbyte (scalar, cur); 1484 void *addr = SvPVbyte (scalar, svlen);
1485 size_t len = SvUV (length);
1472 1486
1473 if (offset > cur) 1487 if (offset < 0)
1474 RETVAL = errno = EFAULT; 1488 offset += svlen;
1475 else 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)
1476 { 1500 {
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; 1501 case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break;
1486 case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; 1502 case 1: RETVAL = mprotect (addr, len, advice_or_prot); break;
1487 }
1488 } 1503 }
1489} 1504}
1490 OUTPUT: 1505 OUTPUT:
1491 RETVAL 1506 RETVAL
1492 1507
1493int 1508int
1494mlockall (int flags) 1509munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef)
1495 PROTOTYPE: $
1496 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);
1497#if _POSIX_MEMLOCK 1527#if _POSIX_MEMLOCK
1498#if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 1528 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 1529#else
1504 RETVAL = -1; 1530 RETVAL = ((errno = ENOSYS), -1);
1505 errno = ENOSYS;
1506#endif 1531#endif
1532}
1507 OUTPUT: 1533 OUTPUT:
1508 RETVAL 1534 RETVAL
1509 1535
1510int 1536int
1511munlockall () 1537munlockall ()
1512 PROTOTYPE:
1513 CODE: 1538 CODE:
1514#if _POSIX_MEMLOCK 1539#if _POSIX_MEMLOCK
1515 munlockall (); 1540 munlockall ();
1516#else 1541#else
1517 RETVAL = -1; 1542 RETVAL = -1;

Diff Legend

Removed lines
+ Added lines
< Changed lines
> Changed lines