1// Copyright 2015 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 linux
6// +build mips64 mips64le
7
8package unix
9
10//sys	Dup2(oldfd int, newfd int) (err error)
11//sysnb	EpollCreate(size int) (fd int, err error)
12//sys	EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
13//sys	Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64
14//sys	Fchown(fd int, uid int, gid int) (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//sys	Lchown(path string, uid int, gid int) (err error)
23//sys	Listen(s int, n int) (err error)
24//sys	Pause() (err error)
25//sys	Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
26//sys	Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
27//sys	Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error)
28//sys	Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
29
30func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) {
31	var ts *Timespec
32	if timeout != nil {
33		ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000}
34	}
35	return Pselect(nfd, r, w, e, ts, nil)
36}
37
38//sys	sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
39//sys	Setfsgid(gid int) (err error)
40//sys	Setfsuid(uid int) (err error)
41//sysnb	Setregid(rgid int, egid int) (err error)
42//sysnb	Setresgid(rgid int, egid int, sgid int) (err error)
43//sysnb	Setresuid(ruid int, euid int, suid int) (err error)
44//sysnb	Setrlimit(resource int, rlim *Rlimit) (err error)
45//sysnb	Setreuid(ruid int, euid int) (err error)
46//sys	Shutdown(fd int, how int) (err error)
47//sys	Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
48//sys	Statfs(path string, buf *Statfs_t) (err error)
49//sys	SyncFileRange(fd int, off int64, n int64, flags int) (err error)
50//sys	Truncate(path string, length int64) (err error)
51//sys	Ustat(dev int, ubuf *Ustat_t) (err error)
52//sys	accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
53//sys	accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
54//sys	bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
55//sys	connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
56//sysnb	getgroups(n int, list *_Gid_t) (nn int, err error)
57//sysnb	setgroups(n int, list *_Gid_t) (err error)
58//sys	getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
59//sys	setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
60//sysnb	socket(domain int, typ int, proto int) (fd int, err error)
61//sysnb	socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
62//sysnb	getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
63//sysnb	getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
64//sys	recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
65//sys	sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
66//sys	recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
67//sys	sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
68//sys	mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
69
70//sys	futimesat(dirfd int, path string, times *[2]Timeval) (err error)
71//sysnb	Gettimeofday(tv *Timeval) (err error)
72
73func Time(t *Time_t) (tt Time_t, err error) {
74	var tv Timeval
75	err = Gettimeofday(&tv)
76	if err != nil {
77		return 0, err
78	}
79	if t != nil {
80		*t = Time_t(tv.Sec)
81	}
82	return Time_t(tv.Sec), nil
83}
84
85//sys	Utime(path string, buf *Utimbuf) (err error)
86//sys	utimes(path string, times *[2]Timeval) (err error)
87
88func setTimespec(sec, nsec int64) Timespec {
89	return Timespec{Sec: sec, Nsec: nsec}
90}
91
92func setTimeval(sec, usec int64) Timeval {
93	return Timeval{Sec: sec, Usec: usec}
94}
95
96func Pipe(p []int) (err error) {
97	if len(p) != 2 {
98		return EINVAL
99	}
100	var pp [2]_C_int
101	err = pipe2(&pp, 0)
102	p[0] = int(pp[0])
103	p[1] = int(pp[1])
104	return
105}
106
107//sysnb pipe2(p *[2]_C_int, flags int) (err error)
108
109func Pipe2(p []int, flags int) (err error) {
110	if len(p) != 2 {
111		return EINVAL
112	}
113	var pp [2]_C_int
114	err = pipe2(&pp, flags)
115	p[0] = int(pp[0])
116	p[1] = int(pp[1])
117	return
118}
119
120func Ioperm(from int, num int, on int) (err error) {
121	return ENOSYS
122}
123
124func Iopl(level int) (err error) {
125	return ENOSYS
126}
127
128type stat_t struct {
129	Dev        uint32
130	Pad0       [3]int32
131	Ino        uint64
132	Mode       uint32
133	Nlink      uint32
134	Uid        uint32
135	Gid        uint32
136	Rdev       uint32
137	Pad1       [3]uint32
138	Size       int64
139	Atime      uint32
140	Atime_nsec uint32
141	Mtime      uint32
142	Mtime_nsec uint32
143	Ctime      uint32
144	Ctime_nsec uint32
145	Blksize    uint32
146	Pad2       uint32
147	Blocks     int64
148}
149
150//sys	fstat(fd int, st *stat_t) (err error)
151//sys	fstatat(dirfd int, path string, st *stat_t, flags int) (err error) = SYS_NEWFSTATAT
152//sys	lstat(path string, st *stat_t) (err error)
153//sys	stat(path string, st *stat_t) (err error)
154
155func Fstat(fd int, s *Stat_t) (err error) {
156	st := &stat_t{}
157	err = fstat(fd, st)
158	fillStat_t(s, st)
159	return
160}
161
162func Fstatat(dirfd int, path string, s *Stat_t, flags int) (err error) {
163	st := &stat_t{}
164	err = fstatat(dirfd, path, st, flags)
165	fillStat_t(s, st)
166	return
167}
168
169func Lstat(path string, s *Stat_t) (err error) {
170	st := &stat_t{}
171	err = lstat(path, st)
172	fillStat_t(s, st)
173	return
174}
175
176func Stat(path string, s *Stat_t) (err error) {
177	st := &stat_t{}
178	err = stat(path, st)
179	fillStat_t(s, st)
180	return
181}
182
183func fillStat_t(s *Stat_t, st *stat_t) {
184	s.Dev = st.Dev
185	s.Ino = st.Ino
186	s.Mode = st.Mode
187	s.Nlink = st.Nlink
188	s.Uid = st.Uid
189	s.Gid = st.Gid
190	s.Rdev = st.Rdev
191	s.Size = st.Size
192	s.Atim = Timespec{int64(st.Atime), int64(st.Atime_nsec)}
193	s.Mtim = Timespec{int64(st.Mtime), int64(st.Mtime_nsec)}
194	s.Ctim = Timespec{int64(st.Ctime), int64(st.Ctime_nsec)}
195	s.Blksize = st.Blksize
196	s.Blocks = st.Blocks
197}
198
199func (r *PtraceRegs) PC() uint64 { return r.Epc }
200
201func (r *PtraceRegs) SetPC(pc uint64) { r.Epc = pc }
202
203func (iov *Iovec) SetLen(length int) {
204	iov.Len = uint64(length)
205}
206
207func (msghdr *Msghdr) SetControllen(length int) {
208	msghdr.Controllen = uint64(length)
209}
210
211func (msghdr *Msghdr) SetIovlen(length int) {
212	msghdr.Iovlen = uint64(length)
213}
214
215func (cmsg *Cmsghdr) SetLen(length int) {
216	cmsg.Len = uint64(length)
217}
218
219//sys	poll(fds *PollFd, nfds int, timeout int) (n int, err error)
220
221func Poll(fds []PollFd, timeout int) (n int, err error) {
222	if len(fds) == 0 {
223		return poll(nil, 0, timeout)
224	}
225	return poll(&fds[0], len(fds), timeout)
226}
227