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15c0b25d AP |
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 | //sys Dup2(oldfd int, newfd int) (err error) | |
10 | //sysnb EpollCreate(size int) (fd int, err error) | |
11 | //sys EpollWait(epfd int, events []EpollEvent, msec int) (n 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 Fstatat(dirfd int, path string, stat *Stat_t, flags int) (err error) = SYS_NEWFSTATAT | |
16 | //sys Fstatfs(fd int, buf *Statfs_t) (err error) | |
17 | //sys Ftruncate(fd int, length int64) (err error) | |
18 | //sysnb Getegid() (egid int) | |
19 | //sysnb Geteuid() (euid int) | |
20 | //sysnb Getgid() (gid int) | |
21 | //sysnb Getrlimit(resource int, rlim *Rlimit) (err error) | |
22 | //sysnb Getuid() (uid int) | |
107c1cdb ND |
23 | //sysnb inotifyInit() (fd int, err error) |
24 | ||
25 | func InotifyInit() (fd int, err error) { | |
26 | // First try inotify_init1, because Android's seccomp policy blocks the latter. | |
27 | fd, err = InotifyInit1(0) | |
28 | if err == ENOSYS { | |
29 | fd, err = inotifyInit() | |
30 | } | |
31 | return | |
32 | } | |
33 | ||
15c0b25d AP |
34 | //sys Ioperm(from int, num int, on int) (err error) |
35 | //sys Iopl(level int) (err error) | |
36 | //sys Lchown(path string, uid int, gid int) (err error) | |
37 | //sys Listen(s int, n int) (err error) | |
107c1cdb ND |
38 | |
39 | func Lstat(path string, stat *Stat_t) (err error) { | |
40 | return Fstatat(AT_FDCWD, path, stat, AT_SYMLINK_NOFOLLOW) | |
41 | } | |
42 | ||
15c0b25d AP |
43 | //sys Pause() (err error) |
44 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) = SYS_PREAD64 | |
45 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) = SYS_PWRITE64 | |
107c1cdb | 46 | //sys Renameat(olddirfd int, oldpath string, newdirfd int, newpath string) (err error) |
15c0b25d AP |
47 | //sys Seek(fd int, offset int64, whence int) (off int64, err error) = SYS_LSEEK |
48 | ||
49 | func Select(nfd int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (n int, err error) { | |
50 | var ts *Timespec | |
51 | if timeout != nil { | |
52 | ts = &Timespec{Sec: timeout.Sec, Nsec: timeout.Usec * 1000} | |
53 | } | |
54 | return Pselect(nfd, r, w, e, ts, nil) | |
55 | } | |
56 | ||
57 | //sys sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) | |
58 | //sys Setfsgid(gid int) (err error) | |
59 | //sys Setfsuid(uid int) (err error) | |
60 | //sysnb Setregid(rgid int, egid int) (err error) | |
61 | //sysnb Setresgid(rgid int, egid int, sgid int) (err error) | |
62 | //sysnb Setresuid(ruid int, euid int, suid int) (err error) | |
63 | //sysnb Setrlimit(resource int, rlim *Rlimit) (err error) | |
64 | //sysnb Setreuid(ruid int, euid int) (err error) | |
65 | //sys Shutdown(fd int, how int) (err error) | |
66 | //sys Splice(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int64, err error) | |
67 | ||
68 | func Stat(path string, stat *Stat_t) (err error) { | |
69 | // Use fstatat, because Android's seccomp policy blocks stat. | |
70 | return Fstatat(AT_FDCWD, path, stat, 0) | |
71 | } | |
72 | ||
73 | //sys Statfs(path string, buf *Statfs_t) (err error) | |
74 | //sys SyncFileRange(fd int, off int64, n int64, flags int) (err error) | |
75 | //sys Truncate(path string, length int64) (err error) | |
76 | //sys Ustat(dev int, ubuf *Ustat_t) (err error) | |
77 | //sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) | |
78 | //sys accept4(s int, rsa *RawSockaddrAny, addrlen *_Socklen, flags int) (fd int, err error) | |
79 | //sys bind(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
80 | //sys connect(s int, addr unsafe.Pointer, addrlen _Socklen) (err error) | |
81 | //sysnb getgroups(n int, list *_Gid_t) (nn int, err error) | |
82 | //sysnb setgroups(n int, list *_Gid_t) (err error) | |
83 | //sys getsockopt(s int, level int, name int, val unsafe.Pointer, vallen *_Socklen) (err error) | |
84 | //sys setsockopt(s int, level int, name int, val unsafe.Pointer, vallen uintptr) (err error) | |
85 | //sysnb socket(domain int, typ int, proto int) (fd int, err error) | |
86 | //sysnb socketpair(domain int, typ int, proto int, fd *[2]int32) (err error) | |
87 | //sysnb getpeername(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
88 | //sysnb getsockname(fd int, rsa *RawSockaddrAny, addrlen *_Socklen) (err error) | |
89 | //sys recvfrom(fd int, p []byte, flags int, from *RawSockaddrAny, fromlen *_Socklen) (n int, err error) | |
90 | //sys sendto(s int, buf []byte, flags int, to unsafe.Pointer, addrlen _Socklen) (err error) | |
91 | //sys recvmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
92 | //sys sendmsg(s int, msg *Msghdr, flags int) (n int, err error) | |
93 | //sys mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) | |
94 | ||
95 | //sys futimesat(dirfd int, path string, times *[2]Timeval) (err error) | |
96 | ||
97 | func Gettimeofday(tv *Timeval) (err error) { | |
98 | errno := gettimeofday(tv) | |
99 | if errno != 0 { | |
100 | return errno | |
101 | } | |
102 | return nil | |
103 | } | |
104 | ||
105 | func Time(t *Time_t) (tt Time_t, err error) { | |
106 | var tv Timeval | |
107 | errno := gettimeofday(&tv) | |
108 | if errno != 0 { | |
109 | return 0, errno | |
110 | } | |
111 | if t != nil { | |
112 | *t = Time_t(tv.Sec) | |
113 | } | |
114 | return Time_t(tv.Sec), nil | |
115 | } | |
116 | ||
117 | //sys Utime(path string, buf *Utimbuf) (err error) | |
118 | //sys utimes(path string, times *[2]Timeval) (err error) | |
119 | ||
120 | func setTimespec(sec, nsec int64) Timespec { | |
121 | return Timespec{Sec: sec, Nsec: nsec} | |
122 | } | |
123 | ||
124 | func setTimeval(sec, usec int64) Timeval { | |
125 | return Timeval{Sec: sec, Usec: usec} | |
126 | } | |
127 | ||
128 | //sysnb pipe(p *[2]_C_int) (err error) | |
129 | ||
130 | func Pipe(p []int) (err error) { | |
131 | if len(p) != 2 { | |
132 | return EINVAL | |
133 | } | |
134 | var pp [2]_C_int | |
135 | err = pipe(&pp) | |
136 | p[0] = int(pp[0]) | |
137 | p[1] = int(pp[1]) | |
138 | return | |
139 | } | |
140 | ||
141 | //sysnb pipe2(p *[2]_C_int, flags int) (err error) | |
142 | ||
143 | func Pipe2(p []int, flags int) (err error) { | |
144 | if len(p) != 2 { | |
145 | return EINVAL | |
146 | } | |
147 | var pp [2]_C_int | |
148 | err = pipe2(&pp, flags) | |
149 | p[0] = int(pp[0]) | |
150 | p[1] = int(pp[1]) | |
151 | return | |
152 | } | |
153 | ||
154 | func (r *PtraceRegs) PC() uint64 { return r.Rip } | |
155 | ||
156 | func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } | |
157 | ||
158 | func (iov *Iovec) SetLen(length int) { | |
159 | iov.Len = uint64(length) | |
160 | } | |
161 | ||
162 | func (msghdr *Msghdr) SetControllen(length int) { | |
163 | msghdr.Controllen = uint64(length) | |
164 | } | |
165 | ||
166 | func (cmsg *Cmsghdr) SetLen(length int) { | |
167 | cmsg.Len = uint64(length) | |
168 | } | |
169 | ||
170 | //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) | |
171 | ||
172 | func Poll(fds []PollFd, timeout int) (n int, err error) { | |
173 | if len(fds) == 0 { | |
174 | return poll(nil, 0, timeout) | |
175 | } | |
176 | return poll(&fds[0], len(fds), timeout) | |
177 | } | |
178 | ||
179 | //sys kexecFileLoad(kernelFd int, initrdFd int, cmdlineLen int, cmdline string, flags int) (err error) | |
180 | ||
181 | func KexecFileLoad(kernelFd int, initrdFd int, cmdline string, flags int) error { | |
182 | cmdlineLen := len(cmdline) | |
183 | if cmdlineLen > 0 { | |
184 | // Account for the additional NULL byte added by | |
185 | // BytePtrFromString in kexecFileLoad. The kexec_file_load | |
186 | // syscall expects a NULL-terminated string. | |
187 | cmdlineLen++ | |
188 | } | |
189 | return kexecFileLoad(kernelFd, initrdFd, cmdlineLen, cmdline, flags) | |
190 | } |