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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.241 by root, Sun May 1 17:19:39 2016 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);
994 const_iv (MAP_GROWSDOWN) 1001 const_iv (MAP_GROWSDOWN)
995 const_iv (MAP_32BIT) 1002 const_iv (MAP_32BIT)
996 const_iv (MAP_HUGETLB) 1003 const_iv (MAP_HUGETLB)
997 const_iv (MAP_STACK) 1004 const_iv (MAP_STACK)
998 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)
1068
999 const_iv (FIEMAP_FLAG_SYNC) 1069 const_iv (FIEMAP_FLAG_SYNC)
1000 const_iv (FIEMAP_FLAG_XATTR) 1070 const_iv (FIEMAP_FLAG_XATTR)
1001 const_iv (FIEMAP_FLAGS_COMPAT) 1071 const_iv (FIEMAP_FLAGS_COMPAT)
1002 const_iv (FIEMAP_EXTENT_LAST) 1072 const_iv (FIEMAP_EXTENT_LAST)
1003 const_iv (FIEMAP_EXTENT_UNKNOWN) 1073 const_iv (FIEMAP_EXTENT_UNKNOWN)
1036 1106
1037 const_eio (FALLOC_FL_KEEP_SIZE) 1107 const_eio (FALLOC_FL_KEEP_SIZE)
1038 const_eio (FALLOC_FL_PUNCH_HOLE) 1108 const_eio (FALLOC_FL_PUNCH_HOLE)
1039 const_eio (FALLOC_FL_COLLAPSE_RANGE) 1109 const_eio (FALLOC_FL_COLLAPSE_RANGE)
1040 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)
1041 1117
1042 const_eio (READDIR_DENTS) 1118 const_eio (READDIR_DENTS)
1043 const_eio (READDIR_DIRS_FIRST) 1119 const_eio (READDIR_DIRS_FIRST)
1044 const_eio (READDIR_STAT_ORDER) 1120 const_eio (READDIR_STAT_ORDER)
1045 const_eio (READDIR_FOUND_UNKNOWN) 1121 const_eio (READDIR_FOUND_UNKNOWN)
1532 1608
1533 REQ_SEND; 1609 REQ_SEND;
1534} 1610}
1535 1611
1536void 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
1537aio_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)
1538 PPCODE: 1630 PPCODE:
1539{ 1631{
1540 dREQ; 1632 dREQ;
1541 1633
1546 1638
1547 REQ_SEND; 1639 REQ_SEND;
1548} 1640}
1549 1641
1550void 1642void
1551aio_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)
1552 ALIAS: 1644 ALIAS:
1553 aio_mtouch = EIO_MTOUCH 1645 aio_mtouch = EIO_MTOUCH
1554 aio_msync = EIO_MSYNC 1646 aio_msync = EIO_MSYNC
1555 PPCODE: 1647 PPCODE:
1556{ 1648{
1557 STRLEN svlen; 1649 STRLEN svlen;
1558 char *svptr = SvPVbyte (data, svlen); 1650 char *svptr = SvPVbyte (data, svlen);
1559 UV len = SvUV (length); 1651 UV len = SvUV (length);
1652
1653 if (flags < 0)
1654 flags = ix == EIO_MSYNC ? EIO_MS_SYNC : 0;
1560 1655
1561 if (offset < 0) 1656 if (offset < 0)
1562 offset += svlen; 1657 offset += svlen;
1563 1658
1564 if (offset < 0 || offset > svlen) 1659 if (offset < 0 || offset > svlen)
1958 { 2053 {
1959 EXTEND (SP, 2); 2054 EXTEND (SP, 2);
1960 PUSHs (newmortalFH (fd[0], O_RDONLY)); 2055 PUSHs (newmortalFH (fd[0], O_RDONLY));
1961 PUSHs (newmortalFH (fd[1], O_WRONLY)); 2056 PUSHs (newmortalFH (fd[1], O_WRONLY));
1962 } 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;
1963} 2130}
1964 2131
1965void _on_next_submit (SV *cb) 2132void _on_next_submit (SV *cb)
1966 CODE: 2133 CODE:
1967 SvREFCNT_dec (on_next_submit); 2134 SvREFCNT_dec (on_next_submit);

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