blob: 20b7454d7703ffe79427836df731fa6d68c32ef9 [file] [log] [blame]
David K. Bainbridge215e0242017-09-05 23:18:24 -07001// 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 sparc64,linux
6
7package unix
8
9import (
10 "sync/atomic"
11 "syscall"
12)
13
14//sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error)
15//sys Dup2(oldfd int, newfd int) (err error)
16//sys Fchown(fd int, uid int, gid int) (err error)
17//sys Fstat(fd int, stat *Stat_t) (err error)
18//sys Fstatfs(fd int, buf *Statfs_t) (err error)
19//sys Ftruncate(fd int, length int64) (err error)
20//sysnb Getegid() (egid int)
21//sysnb Geteuid() (euid int)
22//sysnb Getgid() (gid int)
23//sysnb Getrlimit(resource int, rlim *Rlimit) (err error)
24//sysnb Getuid() (uid int)
25//sysnb InotifyInit() (fd int, err error)
26//sys Lchown(path string, uid int, gid int) (err error)
27//sys Listen(s int, n int) (err error)
28//sys Lstat(path string, stat *Stat_t) (err error)
29//sys Pause() (err error)
30//sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64
31//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64
32//sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK
33//sys Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error)
34//sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error)
35//sys Setfsgid(gid int) (err error)
36//sys Setfsuid(uid int) (err error)
37//sysnb Setregid(rgid int, egid int) (err error)
38//sysnb Setresgid(rgid int, egid int, sgid int) (err error)
39//sysnb Setresuid(ruid int, euid int, suid int) (err error)
40//sysnb Setrlimit(resource int, rlim *Rlimit) (err error)
41//sysnb Setreuid(ruid int, euid int) (err error)
42//sys Shutdown(fd int, how int) (err error)
43//sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error)
44//sys Stat(path string, stat *Stat_t) (err error)
45//sys Statfs(path string, buf *Statfs_t) (err error)
46//sys SyncFileRange(fd int, off int64, n int64, flags int) (err error)
47//sys Truncate(path string, length int64) (err error)
48//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
49//sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error)
50//sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
51//sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error)
52//sysnb getgroups(n int, list *_Gid_t) (nn int, err error)
53//sysnb setgroups(n int, list *_Gid_t) (err error)
54//sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error)
55//sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error)
56//sysnb socket(domain int, typ int, proto int) (fd int, err error)
57//sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error)
58//sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
59//sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error)
60//sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error)
61//sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error)
62//sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error)
63//sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error)
64//sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error)
65
66func sysconf(name int) (n int64, err syscall.Errno)
67
68// pageSize caches the value of Getpagesize, since it can't change
69// once the system is booted.
70var pageSize int64 // accessed atomically
71
72func Getpagesize() int {
73 n := atomic.LoadInt64(&pageSize)
74 if n == 0 {
75 n, _ = sysconf(_SC_PAGESIZE)
76 atomic.StoreInt64(&pageSize, n)
77 }
78 return int(n)
79}
80
81func Ioperm(from int, num int, on int) (err error) {
82 return ENOSYS
83}
84
85func Iopl(level int) (err error) {
86 return ENOSYS
87}
88
89//sysnb Gettimeofday(tv *Timeval) (err error)
90
91func Time(t *Time_t) (tt Time_t, err error) {
92 var tv Timeval
93 err = Gettimeofday(&tv)
94 if err != nil {
95 return 0, err
96 }
97 if t != nil {
98 *t = Time_t(tv.Sec)
99 }
100 return Time_t(tv.Sec), nil
101}
102
103//sys Utime(path string, buf *Utimbuf) (err error)
104
105func TimespecToNsec(ts Timespec) int64 { return int64(ts.Sec)*1e9 + int64(ts.Nsec) }
106
107func NsecToTimespec(nsec int64) (ts Timespec) {
108 ts.Sec = nsec / 1e9
109 ts.Nsec = nsec % 1e9
110 return
111}
112
113func NsecToTimeval(nsec int64) (tv Timeval) {
114 nsec += 999 // round up to microsecond
115 tv.Sec = nsec / 1e9
116 tv.Usec = int32(nsec % 1e9 / 1e3)
117 return
118}
119
120func (r *PtraceRegs) PC() uint64 { return r.Tpc }
121
122func (r *PtraceRegs) SetPC(pc uint64) { r.Tpc = pc }
123
124func (iov *Iovec) SetLen(length int) {
125 iov.Len = uint64(length)
126}
127
128func (msghdr *Msghdr) SetControllen(length int) {
129 msghdr.Controllen = uint64(length)
130}
131
132func (cmsg *Cmsghdr) SetLen(length int) {
133 cmsg.Len = uint64(length)
134}
135
136//sysnb pipe(p *[2]_C_int) (err error)
137
138func Pipe(p []int) (err error) {
139 if len(p) != 2 {
140 return EINVAL
141 }
142 var pp [2]_C_int
143 err = pipe(&pp)
144 p[0] = int(pp[0])
145 p[1] = int(pp[1])
146 return
147}
148
149//sysnb pipe2(p *[2]_C_int, flags int) (err error)
150
151func Pipe2(p []int, flags int) (err error) {
152 if len(p) != 2 {
153 return EINVAL
154 }
155 var pp [2]_C_int
156 err = pipe2(&pp, flags)
157 p[0] = int(pp[0])
158 p[1] = int(pp[1])
159 return
160}
161
162//sys poll(fds *PollFd, nfds int, timeout int) (n int, err error)
163
164func Poll(fds []PollFd, timeout int) (n int, err error) {
165 if len(fds) == 0 {
166 return poll(nil, 0, timeout)
167 }
168 return poll(&fds[0], len(fds), timeout)
169}