]>
Commit | Line | Data |
---|---|---|
15c0b25d AP |
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 arm64,linux | |
6 | ||
7 | package unix | |
8 | ||
9 | import "unsafe" | |
10 | ||
11 | func EpollCreate(size int) (fd int, err error) { | |
12 | if size <= 0 { | |
13 | return -1, EINVAL | |
14 | } | |
15 | return EpollCreate1(0) | |
16 | } | |
17 | ||
18 | //sys EpollWait(epfd int, events []EpollEvent, msec int) (n int, err error) = SYS_EPOLL_PWAIT | |
19 | //sys Fadvise(fd int, offset int64, length int64, advice int) (err error) = SYS_FADVISE64 | |
20 | //sys Fchown(fd int, uid int, gid int) (err error) | |
21 | //sys Fstat(fd int, stat *Stat_t) (err error) | |
22 | //sys Fstatat(fd int, path string, stat *Stat_t, flags int) (err error) | |
23 | //sys Fstatfs(fd int, buf *Statfs_t) (err error) | |
24 | //sys Ftruncate(fd int, length int64) (err error) | |
25 | //sysnb Getegid() (egid int) | |
26 | //sysnb Geteuid() (euid int) | |
27 | //sysnb Getgid() (gid int) | |
28 | //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) | |
29 | //sysnb Getuid() (uid int) | |
30 | //sys Listen(s int, n int) (err error) | |
31 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 | |
32 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 | |
107c1cdb | 33 | //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
15c0b25d AP |
34 | //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
35 | ||
36 | func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { | |
37 | var ts *Timespec | |
38 | if timeout != nil { | |
39 | ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} | |
40 | } | |
41 | return Pselect(nfd, r, w, e, ts, nil) | |
42 | } | |
43 | ||
44 | //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) | |
45 | //sys Setfsgid(gid int) (err error) | |
46 | //sys Setfsuid(uid int) (err error) | |
47 | //sysnb Setregid(rgid int, egid int) (err error) | |
48 | //sysnb Setresgid(rgid int, egid int, sgid int) (err error) | |
49 | //sysnb Setresuid(ruid int, euid int, suid int) (err error) | |
50 | //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) | |
51 | //sysnb Setreuid(ruid int, euid int) (err error) | |
52 | //sys Shutdown(fd int, how int) (err error) | |
53 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) | |
54 | ||
55 | func Stat(path string, stat *Stat_t) (err error) { | |
56 | return Fstatat(AT_FDCWD, path, stat, 0) | |
57 | } | |
58 | ||
59 | func Lchown(path string, uid int, gid int) (err error) { | |
60 | return Fchownat(AT_FDCWD, path, uid, gid, AT_SYMLINK_NOFOLLOW) | |
61 | } | |
62 | ||
63 | func Lstat(path string, stat *Stat_t) (err error) { | |
64 | return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW) | |
65 | } | |
66 | ||
67 | //sys Statfs(path string, buf *Statfs_t) (err error) | |
68 | //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) | |
69 | //sys Truncate(path string, length int64) (err error) | |
70 | ||
71 | func Ustat(dev int, ubuf *Ustat_t) (err error) { | |
72 | return ENOSYS | |
73 | } | |
74 | ||
75 | //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) | |
76 | //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) | |
77 | //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
78 | //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
79 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) | |
80 | //sysnb setgroups(n int, list *_Gid_t) (err error) | |
81 | //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) | |
82 | //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) | |
83 | //sysnb socket(domain int, typ int, proto int) (fd int, err error) | |
84 | //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) | |
85 | //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
86 | //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
87 | //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) | |
88 | //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) | |
89 | //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
90 | //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
91 | //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) | |
92 | ||
93 | //sysnb Gettimeofday(tv *Timeval) (err error) | |
94 | ||
95 | func setTimespec(sec, nsec int64) Timespec { | |
96 | return Timespec{Sec: sec, Nsec: nsec} | |
97 | } | |
98 | ||
99 | func setTimeval(sec, usec int64) Timeval { | |
100 | return Timeval{Sec: sec, Usec: usec} | |
101 | } | |
102 | ||
103 | func futimesat(dirfd int, path string, tv *[2]Timeval) (err error) { | |
104 | if tv == nil { | |
105 | return utimensat(dirfd, path, nil, 0) | |
106 | } | |
107 | ||
108 | ts := []Timespec{ | |
109 | NsecToTimespec(TimevalToNsec(tv[0])), | |
110 | NsecToTimespec(TimevalToNsec(tv[1])), | |
111 | } | |
112 | return utimensat(dirfd, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) | |
113 | } | |
114 | ||
115 | func Time(t *Time_t) (Time_t, error) { | |
116 | var tv Timeval | |
117 | err := Gettimeofday(&tv) | |
118 | if err != nil { | |
119 | return 0, err | |
120 | } | |
121 | if t != nil { | |
122 | *t = Time_t(tv.Sec) | |
123 | } | |
124 | return Time_t(tv.Sec), nil | |
125 | } | |
126 | ||
127 | func Utime(path string, buf *Utimbuf) error { | |
128 | tv := []Timeval{ | |
129 | {Sec: buf.Actime}, | |
130 | {Sec: buf.Modtime}, | |
131 | } | |
132 | return Utimes(path, tv) | |
133 | } | |
134 | ||
135 | func utimes(path string, tv *[2]Timeval) (err error) { | |
136 | if tv == nil { | |
137 | return utimensat(AT_FDCWD, path, nil, 0) | |
138 | } | |
139 | ||
140 | ts := []Timespec{ | |
141 | NsecToTimespec(TimevalToNsec(tv[0])), | |
142 | NsecToTimespec(TimevalToNsec(tv[1])), | |
143 | } | |
144 | return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) | |
145 | } | |
146 | ||
147 | func Pipe(p []int) (err error) { | |
148 | if len(p) != 2 { | |
149 | return EINVAL | |
150 | } | |
151 | var pp [2]_C_int | |
152 | err = pipe2(&pp, 0) | |
153 | p[0] = int(pp[0]) | |
154 | p[1] = int(pp[1]) | |
155 | return | |
156 | } | |
157 | ||
158 | //sysnb pipe2(p *[2]_C_int, flags int) (err error) | |
159 | ||
160 | func Pipe2(p []int, flags int) (err error) { | |
161 | if len(p) != 2 { | |
162 | return EINVAL | |
163 | } | |
164 | var pp [2]_C_int | |
165 | err = pipe2(&pp, flags) | |
166 | p[0] = int(pp[0]) | |
167 | p[1] = int(pp[1]) | |
168 | return | |
169 | } | |
170 | ||
171 | func (r *PtraceRegs) PC() uint64 { return r.Pc } | |
172 | ||
173 | func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } | |
174 | ||
175 | func (iov *Iovec) SetLen(length int) { | |
176 | iov.Len = uint64(length) | |
177 | } | |
178 | ||
179 | func (msghdr *Msghdr) SetControllen(length int) { | |
180 | msghdr.Controllen = uint64(length) | |
181 | } | |
182 | ||
183 | func (cmsg *Cmsghdr) SetLen(length int) { | |
184 | cmsg.Len = uint64(length) | |
185 | } | |
186 | ||
187 | func InotifyInit() (fd int, err error) { | |
188 | return InotifyInit1(0) | |
189 | } | |
190 | ||
191 | func Dup2(oldfd int, newfd int) (err error) { | |
192 | return Dup3(oldfd, newfd, 0) | |
193 | } | |
194 | ||
195 | func Pause() error { | |
196 | _, err := ppoll(nil, 0, nil, nil) | |
197 | return err | |
198 | } | |
199 | ||
200 | func Poll(fds []PollFd, timeout int) (n int, err error) { | |
201 | var ts *Timespec | |
202 | if timeout >= 0 { | |
203 | ts = new(Timespec) | |
204 | *ts = NsecToTimespec(int64(timeout) * 1e6) | |
205 | } | |
206 | if len(fds) == 0 { | |
207 | return ppoll(nil, 0, ts, nil) | |
208 | } | |
209 | return ppoll(&fds[0], len(fds), ts, nil) | |
210 | } | |
107c1cdb ND |
211 | |
212 | //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) | |
213 | ||
214 | func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { | |
215 | cmdlineLen := len(cmdline) | |
216 | if cmdlineLen > 0 { | |
217 | // Account for the additional NULL byte added by | |
218 | // BytePtrFromString in kexecFileLoad. The kexec_file_load | |
219 | // syscall expects a NULL-terminated string. | |
220 | cmdlineLen++ | |
221 | } | |
222 | return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) | |
223 | } |