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9b12e4fe JC |
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. | |
4 | ||
5 | // +build amd64,linux | |
6 | ||
7 | package unix | |
8 | ||
9 | import "syscall" | |
10 | ||
11 | //sys Dup2(oldfd int, newfd int) (err error) | |
12 | //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 | |
13 | //sys Fchown(fd int, uid int, gid int) (err error) | |
14 | //sys Fstat(fd int, stat *Stat_t) (err error) | |
15 | //sys Fstatfs(fd int, buf *Statfs_t) (err error) | |
16 | //sys Ftruncate(fd int, length int64) (err error) | |
17 | //sysnb Getegid() (egid int) | |
18 | //sysnb Geteuid() (euid int) | |
19 | //sysnb Getgid() (gid int) | |
20 | //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) | |
21 | //sysnb Getuid() (uid int) | |
22 | //sysnb InotifyInit() (fd int, err error) | |
23 | //sys Ioperm(from int, num int, on int) (err error) | |
24 | //sys Iopl(level int) (err error) | |
25 | //sys Lchown(path string, uid int, gid int) (err error) | |
26 | //sys Listen(s int, n int) (err error) | |
27 | //sys Lstat(path string, stat *Stat_t) (err error) | |
28 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 | |
29 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 | |
30 | //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK | |
31 | //sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) | |
32 | //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) | |
33 | //sys Setfsgid(gid int) (err error) | |
34 | //sys Setfsuid(uid int) (err error) | |
35 | //sysnb Setregid(rgid int, egid int) (err error) | |
36 | //sysnb Setresgid(rgid int, egid int, sgid int) (err error) | |
37 | //sysnb Setresuid(ruid int, euid int, suid int) (err error) | |
38 | //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) | |
39 | //sysnb Setreuid(ruid int, euid int) (err error) | |
40 | //sys Shutdown(fd int, how int) (err error) | |
41 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) | |
42 | //sys Stat(path string, stat *Stat_t) (err error) | |
43 | //sys Statfs(path string, buf *Statfs_t) (err error) | |
44 | //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) | |
45 | //sys Truncate(path string, length int64) (err error) | |
46 | //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) | |
47 | //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) | |
48 | //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
49 | //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
50 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) | |
51 | //sysnb setgroups(n int, list *_Gid_t) (err error) | |
52 | //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) | |
53 | //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) | |
54 | //sysnb socket(domain int, typ int, proto int) (fd int, err error) | |
55 | //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) | |
56 | //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
57 | //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
58 | //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) | |
59 | //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) | |
60 | //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
61 | //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
62 | //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) | |
63 | ||
64 | //go:noescape | |
65 | func gettimeofday(tv *Timeval) (err syscall.Errno) | |
66 | ||
67 | func Gettimeofday(tv *Timeval) (err error) { | |
68 | errno := gettimeofday(tv) | |
69 | if errno != 0 { | |
70 | return errno | |
71 | } | |
72 | return nil | |
73 | } | |
74 | ||
75 | func Getpagesize() int { return 4096 } | |
76 | ||
77 | func Time(t *Time_t) (tt Time_t, err error) { | |
78 | var tv Timeval | |
79 | errno := gettimeofday(&tv) | |
80 | if errno != 0 { | |
81 | return 0, errno | |
82 | } | |
83 | if t != nil { | |
84 | *t = Time_t(tv.Sec) | |
85 | } | |
86 | return Time_t(tv.Sec), nil | |
87 | } | |
88 | ||
89 | func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) } | |
90 | ||
91 | func NsecToTimespec(nsec int64) (ts Timespec) { | |
92 | ts.Sec = nsec / 1e9 | |
93 | ts.Nsec = nsec % 1e9 | |
94 | return | |
95 | } | |
96 | ||
97 | func TimevalToNsec(tv Timeval) int64 { return int64(tv.Sec)*1e9 + int64(tv.Usec)*1e3 } | |
98 | ||
99 | func NsecToTimeval(nsec int64) (tv Timeval) { | |
100 | nsec += 999 // round up to microsecond | |
101 | tv.Sec = nsec / 1e9 | |
102 | tv.Usec = nsec % 1e9 / 1e3 | |
103 | return | |
104 | } | |
105 | ||
106 | //sysnb pipe(p *[2]_C_int) (err error) | |
107 | ||
108 | func Pipe(p []int) (err error) { | |
109 | if len(p) != 2 { | |
110 | return EINVAL | |
111 | } | |
112 | var pp [2]_C_int | |
113 | err = pipe(&pp) | |
114 | p[0] = int(pp[0]) | |
115 | p[1] = int(pp[1]) | |
116 | return | |
117 | } | |
118 | ||
119 | //sysnb pipe2(p *[2]_C_int, flags int) (err error) | |
120 | ||
121 | func Pipe2(p []int, flags int) (err error) { | |
122 | if len(p) != 2 { | |
123 | return EINVAL | |
124 | } | |
125 | var pp [2]_C_int | |
126 | err = pipe2(&pp, flags) | |
127 | p[0] = int(pp[0]) | |
128 | p[1] = int(pp[1]) | |
129 | return | |
130 | } | |
131 | ||
132 | func (r *PtraceRegs) PC() uint64 { return r.Rip } | |
133 | ||
134 | func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } | |
135 | ||
136 | func (iov *Iovec) SetLen(length int) { | |
137 | iov.Len = uint64(length) | |
138 | } | |
139 | ||
140 | func (msghdr *Msghdr) SetControllen(length int) { | |
141 | msghdr.Controllen = uint64(length) | |
142 | } | |
143 | ||
144 | func (cmsg *Cmsghdr) SetLen(length int) { | |
145 | cmsg.Len = uint64(length) | |
146 | } |