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1 | // Copyright 2009,2010 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 | // OpenBSD system calls. | |
6 | // This file is compiled as ordinary Go code, | |
7 | // but it is also input to mksyscall, | |
8 | // which parses the //sys lines and generates system call stubs. | |
9 | // Note that sometimes we use a lowercase //sys name and wrap | |
10 | // it in our own nicer implementation, either here or in | |
11 | // syscall_bsd.go or syscall_unix.go. | |
12 | ||
13 | package unix | |
14 | ||
15 | import ( | |
16 | "syscall" | |
17 | "unsafe" | |
18 | ) | |
19 | ||
20 | type SockaddrDatalink struct { | |
21 | Len uint8 | |
22 | Family uint8 | |
23 | Index uint16 | |
24 | Type uint8 | |
25 | Nlen uint8 | |
26 | Alen uint8 | |
27 | Slen uint8 | |
28 | Data [24]int8 | |
29 | raw RawSockaddrDatalink | |
30 | } | |
31 | ||
32 | func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) | |
33 | ||
34 | func nametomib(name string) (mib []_C_int, err error) { | |
35 | ||
36 | // Perform lookup via a binary search | |
37 | left := 0 | |
38 | right := len(sysctlMib) - 1 | |
39 | for { | |
40 | idx := left + (right-left)/2 | |
41 | switch { | |
42 | case name == sysctlMib[idx].ctlname: | |
43 | return sysctlMib[idx].ctloid, nil | |
44 | case name > sysctlMib[idx].ctlname: | |
45 | left = idx + 1 | |
46 | default: | |
47 | right = idx - 1 | |
48 | } | |
49 | if left > right { | |
50 | break | |
51 | } | |
52 | } | |
53 | return nil, EINVAL | |
54 | } | |
55 | ||
56 | // ParseDirent parses up to max directory entries in buf, | |
57 | // appending the names to names. It returns the number | |
58 | // bytes consumed from buf, the number of entries added | |
59 | // to names, and the new names slice. | |
60 | func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { | |
61 | origlen := len(buf) | |
62 | for max != 0 && len(buf) > 0 { | |
63 | dirent := (*Dirent)(unsafe.Pointer(&buf[0])) | |
64 | if dirent.Reclen == 0 { | |
65 | buf = nil | |
66 | break | |
67 | } | |
68 | buf = buf[dirent.Reclen:] | |
69 | if dirent.Fileno == 0 { // File absent in directory. | |
70 | continue | |
71 | } | |
72 | bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) | |
73 | var name = string(bytes[0:dirent.Namlen]) | |
74 | if name == "." || name == ".." { // Useless names | |
75 | continue | |
76 | } | |
77 | max-- | |
78 | count++ | |
79 | names = append(names, name) | |
80 | } | |
81 | return origlen - len(buf), count, names | |
82 | } | |
83 | ||
84 | //sysnb pipe(p *[2]_C_int) (err error) | |
85 | func Pipe(p []int) (err error) { | |
86 | if len(p) != 2 { | |
87 | return EINVAL | |
88 | } | |
89 | var pp [2]_C_int | |
90 | err = pipe(&pp) | |
91 | p[0] = int(pp[0]) | |
92 | p[1] = int(pp[1]) | |
93 | return | |
94 | } | |
95 | ||
96 | //sys getdents(fd int, buf []byte) (n int, err error) | |
97 | func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { | |
98 | return getdents(fd, buf) | |
99 | } | |
100 | ||
101 | // TODO | |
102 | func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { | |
103 | return -1, ENOSYS | |
104 | } | |
105 | ||
106 | func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { | |
107 | var _p0 unsafe.Pointer | |
108 | var bufsize uintptr | |
109 | if len(buf) > 0 { | |
110 | _p0 = unsafe.Pointer(&buf[0]) | |
111 | bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) | |
112 | } | |
113 | r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) | |
114 | n = int(r0) | |
115 | if e1 != 0 { | |
116 | err = e1 | |
117 | } | |
118 | return | |
119 | } | |
120 | ||
121 | /* | |
122 | * Exposed directly | |
123 | */ | |
124 | //sys Access(path string, mode uint32) (err error) | |
125 | //sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) | |
126 | //sys Chdir(path string) (err error) | |
127 | //sys Chflags(path string, flags int) (err error) | |
128 | //sys Chmod(path string, mode uint32) (err error) | |
129 | //sys Chown(path string, uid int, gid int) (err error) | |
130 | //sys Chroot(path string) (err error) | |
131 | //sys Close(fd int) (err error) | |
132 | //sys Dup(fd int) (nfd int, err error) | |
133 | //sys Dup2(from int, to int) (err error) | |
134 | //sys Exit(code int) | |
135 | //sys Fchdir(fd int) (err error) | |
136 | //sys Fchflags(fd int, flags int) (err error) | |
137 | //sys Fchmod(fd int, mode uint32) (err error) | |
138 | //sys Fchown(fd int, uid int, gid int) (err error) | |
139 | //sys Flock(fd int, how int) (err error) | |
140 | //sys Fpathconf(fd int, name int) (val int, err error) | |
141 | //sys Fstat(fd int, stat *Stat_t) (err error) | |
142 | //sys Fstatfs(fd int, stat *Statfs_t) (err error) | |
143 | //sys Fsync(fd int) (err error) | |
144 | //sys Ftruncate(fd int, length int64) (err error) | |
145 | //sysnb Getegid() (egid int) | |
146 | //sysnb Geteuid() (uid int) | |
147 | //sysnb Getgid() (gid int) | |
148 | //sysnb Getpgid(pid int) (pgid int, err error) | |
149 | //sysnb Getpgrp() (pgrp int) | |
150 | //sysnb Getpid() (pid int) | |
151 | //sysnb Getppid() (ppid int) | |
152 | //sys Getpriority(which int, who int) (prio int, err error) | |
153 | //sysnb Getrlimit(which int, lim *Rlimit) (err error) | |
154 | //sysnb Getrusage(who int, rusage *Rusage) (err error) | |
155 | //sysnb Getsid(pid int) (sid int, err error) | |
156 | //sysnb Gettimeofday(tv *Timeval) (err error) | |
157 | //sysnb Getuid() (uid int) | |
158 | //sys Issetugid() (tainted bool) | |
159 | //sys Kill(pid int, signum syscall.Signal) (err error) | |
160 | //sys Kqueue() (fd int, err error) | |
161 | //sys Lchown(path string, uid int, gid int) (err error) | |
162 | //sys Link(path string, link string) (err error) | |
163 | //sys Listen(s int, backlog int) (err error) | |
164 | //sys Lstat(path string, stat *Stat_t) (err error) | |
165 | //sys Mkdir(path string, mode uint32) (err error) | |
166 | //sys Mkfifo(path string, mode uint32) (err error) | |
167 | //sys Mknod(path string, mode uint32, dev int) (err error) | |
168 | //sys Mlock(b []byte) (err error) | |
169 | //sys Mlockall(flags int) (err error) | |
170 | //sys Mprotect(b []byte, prot int) (err error) | |
171 | //sys Munlock(b []byte) (err error) | |
172 | //sys Munlockall() (err error) | |
173 | //sys Nanosleep(time *Timespec, leftover *Timespec) (err error) | |
174 | //sys Open(path string, mode int, perm uint32) (fd int, err error) | |
175 | //sys Pathconf(path string, name int) (val int, err error) | |
176 | //sys Pread(fd int, p []byte, offset int64) (n int, err error) | |
177 | //sys Pwrite(fd int, p []byte, offset int64) (n int, err error) | |
178 | //sys read(fd int, p []byte) (n int, err error) | |
179 | //sys Readlink(path string, buf []byte) (n int, err error) | |
180 | //sys Rename(from string, to string) (err error) | |
181 | //sys Revoke(path string) (err error) | |
182 | //sys Rmdir(path string) (err error) | |
183 | //sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK | |
184 | //sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) | |
185 | //sysnb Setegid(egid int) (err error) | |
186 | //sysnb Seteuid(euid int) (err error) | |
187 | //sysnb Setgid(gid int) (err error) | |
188 | //sys Setlogin(name string) (err error) | |
189 | //sysnb Setpgid(pid int, pgid int) (err error) | |
190 | //sys Setpriority(which int, who int, prio int) (err error) | |
191 | //sysnb Setregid(rgid int, egid int) (err error) | |
192 | //sysnb Setreuid(ruid int, euid int) (err error) | |
193 | //sysnb Setresgid(rgid int, egid int, sgid int) (err error) | |
194 | //sysnb Setresuid(ruid int, euid int, suid int) (err error) | |
195 | //sysnb Setrlimit(which int, lim *Rlimit) (err error) | |
196 | //sysnb Setsid() (pid int, err error) | |
197 | //sysnb Settimeofday(tp *Timeval) (err error) | |
198 | //sysnb Setuid(uid int) (err error) | |
199 | //sys Stat(path string, stat *Stat_t) (err error) | |
200 | //sys Statfs(path string, stat *Statfs_t) (err error) | |
201 | //sys Symlink(path string, link string) (err error) | |
202 | //sys Sync() (err error) | |
203 | //sys Truncate(path string, length int64) (err error) | |
204 | //sys Umask(newmask int) (oldmask int) | |
205 | //sys Unlink(path string) (err error) | |
206 | //sys Unmount(path string, flags int) (err error) | |
207 | //sys write(fd int, p []byte) (n int, err error) | |
208 | //sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) | |
209 | //sys munmap(addr uintptr, length uintptr) (err error) | |
210 | //sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ | |
211 | //sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE | |
212 | ||
213 | /* | |
214 | * Unimplemented | |
215 | */ | |
216 | // __getcwd | |
217 | // __semctl | |
218 | // __syscall | |
219 | // __sysctl | |
220 | // adjfreq | |
221 | // break | |
222 | // clock_getres | |
223 | // clock_gettime | |
224 | // clock_settime | |
225 | // closefrom | |
226 | // execve | |
227 | // faccessat | |
228 | // fchmodat | |
229 | // fchownat | |
230 | // fcntl | |
231 | // fhopen | |
232 | // fhstat | |
233 | // fhstatfs | |
234 | // fork | |
235 | // fstatat | |
236 | // futimens | |
237 | // getfh | |
238 | // getgid | |
239 | // getitimer | |
240 | // getlogin | |
241 | // getresgid | |
242 | // getresuid | |
243 | // getrtable | |
244 | // getthrid | |
245 | // ioctl | |
246 | // ktrace | |
247 | // lfs_bmapv | |
248 | // lfs_markv | |
249 | // lfs_segclean | |
250 | // lfs_segwait | |
251 | // linkat | |
252 | // mincore | |
253 | // minherit | |
254 | // mkdirat | |
255 | // mkfifoat | |
256 | // mknodat | |
257 | // mount | |
258 | // mquery | |
259 | // msgctl | |
260 | // msgget | |
261 | // msgrcv | |
262 | // msgsnd | |
263 | // nfssvc | |
264 | // nnpfspioctl | |
265 | // openat | |
266 | // poll | |
267 | // preadv | |
268 | // profil | |
269 | // pwritev | |
270 | // quotactl | |
271 | // readlinkat | |
272 | // readv | |
273 | // reboot | |
274 | // renameat | |
275 | // rfork | |
276 | // sched_yield | |
277 | // semget | |
278 | // semop | |
279 | // setgroups | |
280 | // setitimer | |
281 | // setrtable | |
282 | // setsockopt | |
283 | // shmat | |
284 | // shmctl | |
285 | // shmdt | |
286 | // shmget | |
287 | // sigaction | |
288 | // sigaltstack | |
289 | // sigpending | |
290 | // sigprocmask | |
291 | // sigreturn | |
292 | // sigsuspend | |
293 | // symlinkat | |
294 | // sysarch | |
295 | // syscall | |
296 | // threxit | |
297 | // thrsigdivert | |
298 | // thrsleep | |
299 | // thrwakeup | |
300 | // unlinkat | |
301 | // utimensat | |
302 | // vfork | |
303 | // writev |