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 1.236 by root, Thu Jun 25 17:40:24 2015 UTC vs.
Revision 1.250 by root, Fri Sep 22 05:20:39 2017 UTC

… …
21# include <sys/mman.h> 21# include <sys/mman.h>
22#endif 22#endif
23 23
24/* the incompetent fool that created musl keeps __linux__, refuses 24/* the incompetent fool that created musl keeps __linux__, refuses
25 * to implement any linux standard apis, and also has no way to test 25 * to implement any linux standard apis, and also has no way to test
26 * for his broken iplementation. on't complain if this fails for you. 26 * for his broken iplementation. don't complain to me if this fails
27 * for you.
27 */ 28 */
28#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__) 29#if __linux__ && (defined __GLIBC__ || defined __UCLIBC__)
29# include <linux/fs.h> 30# include <linux/fs.h>
30# ifdef FS_IOC_FIEMAP 31# ifdef FS_IOC_FIEMAP
31# include <linux/types.h> 32# include <linux/types.h>
… …
103#define expect_false(expr) expect ((expr) != 0, 0) 104#define expect_false(expr) expect ((expr) != 0, 0)
104#define expect_true(expr) expect ((expr) != 0, 1) 105#define expect_true(expr) expect ((expr) != 0, 1)
105 106
106/*****************************************************************************/ 107/*****************************************************************************/
107 108
109#include "libeio/config.h"
110
111#if HAVE_RLIMITS
112 #include <sys/time.h>
113 #include <sys/resource.h>
114#endif
115
108typedef SV SV8; /* byte-sv, used for argument-checking */ 116typedef SV SV8; /* byte-sv, used for argument-checking */
109typedef int aio_rfd; /* read file desriptor */ 117typedef int aio_rfd; /* read file desriptor */
110typedef int aio_wfd; /* write file descriptor */ 118typedef int aio_wfd; /* write file descriptor */
111 119
112static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash; 120static HV *aio_stash, *aio_req_stash, *aio_grp_stash, *aio_wd_stash;
… …
118 STRLEN stroffset; \ 126 STRLEN stroffset; \
119 SV *self; 127 SV *self;
120 128
121#define EIO_NO_WRAPPERS 1 129#define EIO_NO_WRAPPERS 1
122 130
123#include "libeio/config.h"
124#include "libeio/eio.h" 131#include "libeio/eio.h"
125 132
126static int req_invoke (eio_req *req); 133static int req_invoke (eio_req *req);
127#define EIO_FINISH(req) req_invoke (req) 134#define EIO_FINISH(req) req_invoke (req)
128static void req_destroy (eio_req *grp); 135static void req_destroy (eio_req *grp);
… …
704{ 711{
705 while (eio_nreqs ()) 712 while (eio_nreqs ())
706 { 713 {
707 int size; 714 int size;
708 715
709 X_LOCK (reslock); 716 X_LOCK (EIO_POOL->reslock);
710 size = EIO_POOL->res_queue.size; 717 size = EIO_POOL->res_queue.size;
711 X_UNLOCK (reslock); 718 X_UNLOCK (EIO_POOL->reslock);
712 719
713 if (size) 720 if (size)
714 return; 721 return;
715 722
716 etp_maybe_start_thread (EIO_POOL); 723 etp_maybe_start_thread (EIO_POOL);
… …
985 const_iv (MAP_SHARED) 992 const_iv (MAP_SHARED)
986 const_iv (MAP_FIXED) 993 const_iv (MAP_FIXED)
987 const_iv (MAP_ANONYMOUS) 994 const_iv (MAP_ANONYMOUS)
988 995
989 /* linuxish */ 996 /* linuxish */
990 const_iv (MAP_HUGETLB)
991 const_iv (MAP_LOCKED) 997 const_iv (MAP_LOCKED)
992 const_iv (MAP_NORESERVE) 998 const_iv (MAP_NORESERVE)
993 const_iv (MAP_POPULATE) 999 const_iv (MAP_POPULATE)
994 const_iv (MAP_NONBLOCK) 1000 const_iv (MAP_NONBLOCK)
995 const_iv (MAP_GROWSDOWN) 1001 const_iv (MAP_GROWSDOWN)
996 const_iv (MAP_32BIT) 1002 const_iv (MAP_32BIT)
997 const_iv (MAP_HUGETLB) 1003 const_iv (MAP_HUGETLB)
998 const_iv (MAP_STACK) 1004 const_iv (MAP_STACK)
1005
1006 const_iv (F_DUPFD_CLOEXEC)
1007
1008 const_iv (F_OFD_GETLK)
1009 const_iv (F_OFD_SETLK)
1010 const_iv (F_OFD_GETLKW)
1011
1012 const_iv (FIFREEZE)
1013 const_iv (FITHAW)
1014 const_iv (FITRIM)
1015 const_iv (FICLONE)
1016 const_iv (FICLONERANGE)
1017 const_iv (FIDEDUPERANGE)
1018
1019 const_iv (FS_IOC_GETFLAGS)
1020 const_iv (FS_IOC_SETFLAGS)
1021 const_iv (FS_IOC_GETVERSION)
1022 const_iv (FS_IOC_SETVERSION)
1023 const_iv (FS_IOC_FIEMAP)
1024 const_iv (FS_IOC_FSGETXATTR)
1025 const_iv (FS_IOC_FSSETXATTR)
1026 const_iv (FS_IOC_SET_ENCRYPTION_POLICY)
1027 const_iv (FS_IOC_GET_ENCRYPTION_PWSALT)
1028 const_iv (FS_IOC_GET_ENCRYPTION_POLICY)
1029
1030 const_iv (FS_KEY_DESCRIPTOR_SIZE)
1031
1032 const_iv (FS_SECRM_FL)
1033 const_iv (FS_UNRM_FL)
1034 const_iv (FS_COMPR_FL)
1035 const_iv (FS_SYNC_FL)
1036 const_iv (FS_IMMUTABLE_FL)
1037 const_iv (FS_APPEND_FL)
1038 const_iv (FS_NODUMP_FL)
1039 const_iv (FS_NOATIME_FL)
1040 const_iv (FS_DIRTY_FL)
1041 const_iv (FS_COMPRBLK_FL)
1042 const_iv (FS_NOCOMP_FL)
1043 const_iv (FS_ENCRYPT_FL)
1044 const_iv (FS_BTREE_FL)
1045 const_iv (FS_INDEX_FL)
1046 const_iv (FS_JOURNAL_DATA_FL)
1047 const_iv (FS_NOTAIL_FL)
1048 const_iv (FS_DIRSYNC_FL)
1049 const_iv (FS_TOPDIR_FL)
1050 const_iv (FS_FL_USER_MODIFIABLE)
1051
1052 const_iv (FS_XFLAG_REALTIME)
1053 const_iv (FS_XFLAG_PREALLOC)
1054 const_iv (FS_XFLAG_IMMUTABLE)
1055 const_iv (FS_XFLAG_APPEND)
1056 const_iv (FS_XFLAG_SYNC)
1057 const_iv (FS_XFLAG_NOATIME)
1058 const_iv (FS_XFLAG_NODUMP)
1059 const_iv (FS_XFLAG_RTINHERIT)
1060 const_iv (FS_XFLAG_PROJINHERIT)
1061 const_iv (FS_XFLAG_NOSYMLINKS)
1062 const_iv (FS_XFLAG_EXTSIZE)
1063 const_iv (FS_XFLAG_EXTSZINHERIT)
1064 const_iv (FS_XFLAG_NODEFRAG)
1065 const_iv (FS_XFLAG_FILESTREAM)
1066 const_iv (FS_XFLAG_DAX)
1067 const_iv (FS_XFLAG_HASATTR)
999 1068
1000 const_iv (FIEMAP_FLAG_SYNC) 1069 const_iv (FIEMAP_FLAG_SYNC)
1001 const_iv (FIEMAP_FLAG_XATTR) 1070 const_iv (FIEMAP_FLAG_XATTR)
1002 const_iv (FIEMAP_FLAGS_COMPAT) 1071 const_iv (FIEMAP_FLAGS_COMPAT)
1003 const_iv (FIEMAP_EXTENT_LAST) 1072 const_iv (FIEMAP_EXTENT_LAST)
… …
1037 1106
1038 const_eio (FALLOC_FL_KEEP_SIZE) 1107 const_eio (FALLOC_FL_KEEP_SIZE)
1039 const_eio (FALLOC_FL_PUNCH_HOLE) 1108 const_eio (FALLOC_FL_PUNCH_HOLE)
1040 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1109 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1041 const_eio (FALLOC_FL_ZERO_RANGE) 1110 const_eio (FALLOC_FL_ZERO_RANGE)
1111 const_eio (FALLOC_FL_INSERT_RANGE)
1112 const_eio (FALLOC_FL_UNSHARE_RANGE)
1113
1114 const_eio (RENAME_NOREPLACE)
1115 const_eio (RENAME_EXCHANGE)
1116 const_eio (RENAME_WHITEOUT)
1042 1117
1043 const_eio (READDIR_DENTS) 1118 const_eio (READDIR_DENTS)
1044 const_eio (READDIR_DIRS_FIRST) 1119 const_eio (READDIR_DIRS_FIRST)
1045 const_eio (READDIR_STAT_ORDER) 1120 const_eio (READDIR_STAT_ORDER)
1046 const_eio (READDIR_FOUND_UNKNOWN) 1121 const_eio (READDIR_FOUND_UNKNOWN)
… …
1297 REQ_SEND; 1372 REQ_SEND;
1298 } 1373 }
1299} 1374}
1300 1375
1301void 1376void
1377aio_ioctl (SV *fh, unsigned long request, SV8 *arg, SV *callback = &PL_sv_undef)
1378 ALIAS:
1379 aio_ioctl = EIO_IOCTL
1380 aio_fcntl = EIO_FCNTL
1381 PPCODE:
1382{
1383 int fd = s_fileno_croak (fh, 0);
1384 char *svptr;
1385
1386 if (SvPOK (arg) || !SvNIOK (arg))
1387 {
1388 STRLEN svlen;
1389 /* perl uses IOCPARM_LEN for fcntl, so we do, too */
1390#ifdef IOCPARM_LEN
1391 STRLEN need = IOCPARM_LEN (request);
1392#else
1393 STRLEN need = 256;
1394#endif
1395
1396 if (svlen < need)
1397 svptr = SvGROW (arg, need);
1398 }
1399 else
1400 svptr = (char *)SvIV (arg);
1401
1402 {
1403 dREQ;
1404
1405 req->type = ix;
1406 req->sv1 = newSVsv (fh);
1407 req->int1 = fd;
1408 req->int2 = (long)request;
1409 req->sv2 = SvREFCNT_inc (arg);
1410 req->ptr2 = svptr;
1411
1412 REQ_SEND;
1413 }
1414}
1415
1416void
1302aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef) 1417aio_readlink (SV8 *pathname, SV *callback = &PL_sv_undef)
1303 ALIAS: 1418 ALIAS:
1304 aio_readlink = EIO_READLINK 1419 aio_readlink = EIO_READLINK
1305 aio_realpath = EIO_REALPATH 1420 aio_realpath = EIO_REALPATH
1306 PPCODE: 1421 PPCODE:
… …
1366UV 1481UV
1367major (UV dev) 1482major (UV dev)
1368 ALIAS: 1483 ALIAS:
1369 minor = 1 1484 minor = 1
1370 CODE: 1485 CODE:
1371 RETVAL = ix ? major (dev) : minor (dev); 1486 RETVAL = ix ? minor (dev) : major (dev);
1372 OUTPUT: 1487 OUTPUT:
1373 RETVAL 1488 RETVAL
1374 1489
1375UV 1490UV
1376makedev (UV maj, UV min) 1491makedev (UV maj, UV min)
… …
1493 1608
1494 REQ_SEND; 1609 REQ_SEND;
1495} 1610}
1496 1611
1497void 1612void
1613aio_rename2 (SV8 *oldpath, SV8 *newpath, int flags = 0, SV *callback = &PL_sv_undef)
1614 PPCODE:
1615{
1616 eio_wd wd2 = 0;
1617 dREQ;
1618
1619 req->type = EIO_RENAME;
1620 req_set_path1 (req, oldpath);
1621 req_set_path (req, newpath, &req->sv2, &req->sv4, &wd2, &req->ptr2);
1622 req->int2 = flags;
1623 req->int3 = (long)wd2;
1624
1625 REQ_SEND;
1626}
1627
1628void
1498aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef) 1629aio_mknod (SV8 *pathname, int mode, UV dev, SV *callback = &PL_sv_undef)
1499 PPCODE: 1630 PPCODE:
1500{ 1631{
1501 dREQ; 1632 dREQ;
1502 1633
… …
1507 1638
1508 REQ_SEND; 1639 REQ_SEND;
1509} 1640}
1510 1641
1511void 1642void
1512aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback = &PL_sv_undef) 1643aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = -1, SV *callback = &PL_sv_undef)
1513 ALIAS: 1644 ALIAS:
1514 aio_mtouch = EIO_MTOUCH 1645 aio_mtouch = EIO_MTOUCH
1515 aio_msync = EIO_MSYNC 1646 aio_msync = EIO_MSYNC
1516 PPCODE: 1647 PPCODE:
1517{ 1648{
1518 STRLEN svlen; 1649 STRLEN svlen;
1519 char *svptr = SvPVbyte (data, svlen); 1650 char *svptr = SvPVbyte (data, svlen);
1520 UV len = SvUV (length); 1651 UV len = SvUV (length);
1652
1653 if (flags < 0)
1654 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1521 1655
1522 if (offset < 0) 1656 if (offset < 0)
1523 offset += svlen; 1657 offset += svlen;
1524 1658
1525 if (offset < 0 || offset > svlen) 1659 if (offset < 0 || offset > svlen)
… …
1919 { 2053 {
1920 EXTEND (SP, 2); 2054 EXTEND (SP, 2);
1921 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2055 PUSHs (newmortalFH (fd[0], O_RDONLY));
1922 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2056 PUSHs (newmortalFH (fd[1], O_WRONLY));
1923 } 2057 }
2058}
2059
2060UV
2061get_fdlimit ()
2062 CODE:
2063#if HAVE_RLIMITS
2064 struct rlimit rl;
2065 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2066 XSRETURN_UV (rl.rlim_cur == RLIM_INFINITY ? (UV)-1 : rl.rlim_cur);
2067#endif
2068 XSRETURN_UNDEF;
2069 OUTPUT:
2070 RETVAL
2071
2072void
2073min_fdlimit (UV limit = 0x7fffffffU)
2074 CODE:
2075{
2076#if HAVE_RLIMITS
2077 struct rlimit rl;
2078 rlim_t orig_rlim_max;
2079 UV bit;
2080
2081 if (0 != getrlimit (RLIMIT_NOFILE, &rl))
2082 goto fail;
2083
2084 if (rl.rlim_cur == RLIM_INFINITY)
2085 XSRETURN_YES;
2086
2087 orig_rlim_max = rl.rlim_max == RLIM_INFINITY ? ((rlim_t)0)-1 : rl.rlim_max;
2088
2089 if (rl.rlim_cur < limit)
2090 {
2091 rl.rlim_cur = limit;
2092
2093 if (rl.rlim_max < rl.rlim_cur && rl.rlim_max != RLIM_INFINITY)
2094 rl.rlim_max = rl.rlim_cur;
2095 }
2096
2097 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2098 XSRETURN_YES;
2099
2100 if (errno == EPERM)
2101 {
2102 /* setlimit failed with EPERM - maybe we can't raise the hardlimit, or maybe */
2103 /* our limit overflows a system-wide limit */
2104 /* try an adaptive algorithm, but do not lower the hardlimit */
2105 rl.rlim_max = 0;
2106 for (bit = 0x40000000U; bit; bit >>= 1)
2107 {
2108 rl.rlim_max |= bit;
2109 rl.rlim_cur = rl.rlim_max;
2110
2111 /* nevr decrease the hard limit */
2112 if (rl.rlim_max < orig_rlim_max)
2113 break;
2114
2115 if (0 != setrlimit (RLIMIT_NOFILE, &rl))
2116 rl.rlim_max &= ~bit; /* too high, remove bit again */
2117 }
2118
2119 /* now, raise the soft limit to the max permitted */
2120 if (0 == getrlimit (RLIMIT_NOFILE, &rl))
2121 {
2122 rl.rlim_cur = rl.rlim_max;
2123 if (0 == setrlimit (RLIMIT_NOFILE, &rl))
2124 errno = EPERM;
2125 }
2126 }
2127#endif
2128 fail:
2129 XSRETURN_UNDEF;
1924} 2130}
1925 2131
1926void _on_next_submit (SV *cb) 2132void _on_next_submit (SV *cb)
1927 CODE: 2133 CODE:
1928 SvREFCNT_dec (on_next_submit); 2134 SvREFCNT_dec (on_next_submit);

Diff Legend

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