1 // Copyright 2009 The Go Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style
3 // license that can be found in the LICENSE file.
7 // glibc library calls.
16 //sys Openat(dirfd int, path string, flags int, mode uint32) (fd int, err error)
17 //__go_openat(dirfd _C_int, path *byte, flags _C_int, mode Mode_t) _C_int
19 //sys futimesat(dirfd int, path *byte, times *[2]Timeval) (err error)
20 //futimesat(dirfd _C_int, path *byte, times *[2]Timeval) _C_int
21 func Futimesat(dirfd
int, path
string, tv
[]Timeval
) (err error
) {
25 return futimesat(dirfd
, StringBytePtr(path
), (*[2]Timeval
)(unsafe
.Pointer(&tv
[0])))
28 func Futimes(fd
int, tv
[]Timeval
) (err error
) {
29 // Believe it or not, this is the best we can do on GNU/Linux
30 // (and is what glibc does).
31 return Utimes("/proc/self/fd/"+itoa(fd
), tv
)
34 //sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
35 //ptrace(request _C_int, pid Pid_t, addr *byte, data *byte) _C_long
37 //sys accept4(fd int, sa *RawSockaddrAny, len *Socklen_t, flags int) (nfd int, err error)
38 //accept4(fd _C_int, sa *RawSockaddrAny, len *Socklen_t, flags _C_int) _C_int
40 func Accept4(fd
int, flags
int) (nfd
int, sa Sockaddr
, err error
) {
41 var rsa RawSockaddrAny
42 var len Socklen_t
= SizeofSockaddrAny
43 nfd
, err
= accept4(fd
, &rsa
, &len, flags
)
47 sa
, err
= anyToSockaddr(&rsa
)
55 //sysnb Dup3(oldfd int, newfd int, flags int) (err error)
56 //dup3(oldfd _C_int, newfd _C_int, flags _C_int) _C_int
58 //sys Faccessat(dirfd int, path string, mode uint32, flags int) (err error)
59 //faccessat(dirfd _C_int, pathname *byte, mode _C_int, flags _C_int) _C_int
61 //sys Fallocate(fd int, mode uint32, off int64, len int64) (err error)
62 //fallocate(fd _C_int, mode _C_int, offset Offset_t, len Offset_t) _C_int
64 //sys Fchmodat(dirfd int, path string, mode uint32, flags int) (err error)
65 //fchmodat(dirfd _C_int, pathname *byte, mode Mode_t, flags _C_int) _C_int
67 //sys Fchownat(dirfd int, path string, uid int, gid int, flags int) (err error)
68 //fchownat(dirfd _C_int, path *byte, owner Uid_t, group Gid_t, flags _C_int) _C_int
70 //sys Flock(fd int, how int) (err error)
71 //flock(fd _C_int, how _C_int) _C_int
73 func Getdents(fd
int, buf
[]byte) (n
int, err error
) {
78 p
= (*byte)(unsafe
.Pointer(&_zero
))
84 r1
, _
, errno
:= Syscall(uintptr(s
), uintptr(fd
), uintptr(unsafe
.Pointer(p
)), uintptr(len(buf
)))
92 func ReadDirent(fd
int, buf
[]byte) (n
int, err error
) {
93 return Getdents(fd
, buf
)
96 //sys Mkdirat(dirfd int, path string, mode uint32) (err error)
97 //mkdirat(dirfd _C_int, path *byte, mode Mode_t) _C_int
99 //sys Mknodat(dirfd int, path string, mode uint32, dev int) (err error)
100 //mknodat(dirfd _C_int, path *byte, mode Mode_t, dev _dev_t) _C_int
102 //sysnb pipe2(p *[2]_C_int, flags int) (err error)
103 //pipe2(p *[2]_C_int, flags _C_int) _C_int
104 func Pipe2(p
[]int, flags
int) (err error
) {
109 err
= pipe2(&pp
, flags
)
115 //sys sendfile(outfd int, infd int, offset *Offset_t, count int) (written int, err error)
116 //sendfile64(outfd _C_int, infd _C_int, offset *Offset_t, count Size_t) Ssize_t
117 func Sendfile(outfd
int, infd
int, offset
*int64, count
int) (written
int, err error
) {
119 race
.ReleaseMerge(unsafe
.Pointer(&ioSync
))
124 soff
= Offset_t(*offset
)
127 written
, err
= sendfile(outfd
, infd
, psoff
, count
)
129 *offset
= int64(soff
)
134 //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
135 //sync_file_range(fd _C_int, off Offset_t, n Offset_t, flags _C_uint) _C_int