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303 lines
7.9 KiB
303 lines
7.9 KiB
// Copyright 2009,2010 The Go Authors. All rights reserved. |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file. |
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// OpenBSD system calls. |
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// This file is compiled as ordinary Go code, |
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// but it is also input to mksyscall, |
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// which parses the //sys lines and generates system call stubs. |
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// Note that sometimes we use a lowercase //sys name and wrap |
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// it in our own nicer implementation, either here or in |
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// syscall_bsd.go or syscall_unix.go. |
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package unix |
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import ( |
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"syscall" |
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"unsafe" |
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) |
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type SockaddrDatalink struct { |
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Len uint8 |
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Family uint8 |
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Index uint16 |
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Type uint8 |
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Nlen uint8 |
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Alen uint8 |
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Slen uint8 |
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Data [24]int8 |
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raw RawSockaddrDatalink |
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} |
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func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) |
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func nametomib(name string) (mib []_C_int, err error) { |
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// Perform lookup via a binary search |
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left := 0 |
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right := len(sysctlMib) - 1 |
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for { |
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idx := left + (right-left)/2 |
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switch { |
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case name == sysctlMib[idx].ctlname: |
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return sysctlMib[idx].ctloid, nil |
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case name > sysctlMib[idx].ctlname: |
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left = idx + 1 |
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default: |
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right = idx - 1 |
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} |
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if left > right { |
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break |
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} |
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} |
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return nil, EINVAL |
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} |
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// ParseDirent parses up to max directory entries in buf, |
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// appending the names to names. It returns the number |
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// bytes consumed from buf, the number of entries added |
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// to names, and the new names slice. |
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func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) { |
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origlen := len(buf) |
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for max != 0 && len(buf) > 0 { |
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dirent := (*Dirent)(unsafe.Pointer(&buf[0])) |
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if dirent.Reclen == 0 { |
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buf = nil |
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break |
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} |
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buf = buf[dirent.Reclen:] |
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if dirent.Fileno == 0 { // File absent in directory. |
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continue |
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} |
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bytes := (*[10000]byte)(unsafe.Pointer(&dirent.Name[0])) |
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var name = string(bytes[0:dirent.Namlen]) |
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if name == "." || name == ".." { // Useless names |
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continue |
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} |
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max-- |
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count++ |
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names = append(names, name) |
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} |
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return origlen - len(buf), count, names |
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} |
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//sysnb pipe(p *[2]_C_int) (err error) |
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func Pipe(p []int) (err error) { |
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if len(p) != 2 { |
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return EINVAL |
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} |
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var pp [2]_C_int |
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err = pipe(&pp) |
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p[0] = int(pp[0]) |
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p[1] = int(pp[1]) |
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return |
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} |
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//sys getdents(fd int, buf []byte) (n int, err error) |
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func Getdirentries(fd int, buf []byte, basep *uintptr) (n int, err error) { |
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return getdents(fd, buf) |
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} |
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// TODO |
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func sendfile(outfd int, infd int, offset *int64, count int) (written int, err error) { |
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return -1, ENOSYS |
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} |
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func Getfsstat(buf []Statfs_t, flags int) (n int, err error) { |
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var _p0 unsafe.Pointer |
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var bufsize uintptr |
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if len(buf) > 0 { |
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_p0 = unsafe.Pointer(&buf[0]) |
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bufsize = unsafe.Sizeof(Statfs_t{}) * uintptr(len(buf)) |
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} |
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r0, _, e1 := Syscall(SYS_GETFSSTAT, uintptr(_p0), bufsize, uintptr(flags)) |
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n = int(r0) |
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if e1 != 0 { |
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err = e1 |
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} |
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return |
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} |
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/* |
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* Exposed directly |
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*/ |
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//sys Access(path string, mode uint32) (err error) |
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//sys Adjtime(delta *Timeval, olddelta *Timeval) (err error) |
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//sys Chdir(path string) (err error) |
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//sys Chflags(path string, flags int) (err error) |
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//sys Chmod(path string, mode uint32) (err error) |
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//sys Chown(path string, uid int, gid int) (err error) |
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//sys Chroot(path string) (err error) |
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//sys Close(fd int) (err error) |
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//sys Dup(fd int) (nfd int, err error) |
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//sys Dup2(from int, to int) (err error) |
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//sys Exit(code int) |
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//sys Fchdir(fd int) (err error) |
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//sys Fchflags(fd int, flags int) (err error) |
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//sys Fchmod(fd int, mode uint32) (err error) |
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//sys Fchown(fd int, uid int, gid int) (err error) |
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//sys Flock(fd int, how int) (err error) |
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//sys Fpathconf(fd int, name int) (val int, err error) |
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//sys Fstat(fd int, stat *Stat_t) (err error) |
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//sys Fstatfs(fd int, stat *Statfs_t) (err error) |
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//sys Fsync(fd int) (err error) |
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//sys Ftruncate(fd int, length int64) (err error) |
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//sysnb Getegid() (egid int) |
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//sysnb Geteuid() (uid int) |
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//sysnb Getgid() (gid int) |
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//sysnb Getpgid(pid int) (pgid int, err error) |
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//sysnb Getpgrp() (pgrp int) |
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//sysnb Getpid() (pid int) |
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//sysnb Getppid() (ppid int) |
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//sys Getpriority(which int, who int) (prio int, err error) |
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//sysnb Getrlimit(which int, lim *Rlimit) (err error) |
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//sysnb Getrusage(who int, rusage *Rusage) (err error) |
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//sysnb Getsid(pid int) (sid int, err error) |
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//sysnb Gettimeofday(tv *Timeval) (err error) |
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//sysnb Getuid() (uid int) |
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//sys Issetugid() (tainted bool) |
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//sys Kill(pid int, signum syscall.Signal) (err error) |
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//sys Kqueue() (fd int, err error) |
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//sys Lchown(path string, uid int, gid int) (err error) |
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//sys Link(path string, link string) (err error) |
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//sys Listen(s int, backlog int) (err error) |
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//sys Lstat(path string, stat *Stat_t) (err error) |
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//sys Mkdir(path string, mode uint32) (err error) |
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//sys Mkfifo(path string, mode uint32) (err error) |
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//sys Mknod(path string, mode uint32, dev int) (err error) |
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//sys Mlock(b []byte) (err error) |
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//sys Mlockall(flags int) (err error) |
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//sys Mprotect(b []byte, prot int) (err error) |
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//sys Munlock(b []byte) (err error) |
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//sys Munlockall() (err error) |
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//sys Nanosleep(time *Timespec, leftover *Timespec) (err error) |
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//sys Open(path string, mode int, perm uint32) (fd int, err error) |
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//sys Pathconf(path string, name int) (val int, err error) |
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//sys Pread(fd int, p []byte, offset int64) (n int, err error) |
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//sys Pwrite(fd int, p []byte, offset int64) (n int, err error) |
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//sys read(fd int, p []byte) (n int, err error) |
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//sys Readlink(path string, buf []byte) (n int, err error) |
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//sys Rename(from string, to string) (err error) |
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//sys Revoke(path string) (err error) |
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//sys Rmdir(path string) (err error) |
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//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_LSEEK |
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//sys Select(n int, r *FdSet, w *FdSet, e *FdSet, timeout *Timeval) (err error) |
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//sysnb Setegid(egid int) (err error) |
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//sysnb Seteuid(euid int) (err error) |
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//sysnb Setgid(gid int) (err error) |
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//sys Setlogin(name string) (err error) |
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//sysnb Setpgid(pid int, pgid int) (err error) |
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//sys Setpriority(which int, who int, prio int) (err error) |
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//sysnb Setregid(rgid int, egid int) (err error) |
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//sysnb Setreuid(ruid int, euid int) (err error) |
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//sysnb Setresgid(rgid int, egid int, sgid int) (err error) |
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//sysnb Setresuid(ruid int, euid int, suid int) (err error) |
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//sysnb Setrlimit(which int, lim *Rlimit) (err error) |
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//sysnb Setsid() (pid int, err error) |
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//sysnb Settimeofday(tp *Timeval) (err error) |
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//sysnb Setuid(uid int) (err error) |
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//sys Stat(path string, stat *Stat_t) (err error) |
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//sys Statfs(path string, stat *Statfs_t) (err error) |
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//sys Symlink(path string, link string) (err error) |
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//sys Sync() (err error) |
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//sys Truncate(path string, length int64) (err error) |
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//sys Umask(newmask int) (oldmask int) |
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//sys Unlink(path string) (err error) |
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//sys Unmount(path string, flags int) (err error) |
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//sys write(fd int, p []byte) (n int, err error) |
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//sys mmap(addr uintptr, length uintptr, prot int, flag int, fd int, pos int64) (ret uintptr, err error) |
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//sys munmap(addr uintptr, length uintptr) (err error) |
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//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_READ |
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//sys writelen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_WRITE |
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/* |
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* Unimplemented |
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*/ |
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// __getcwd |
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// __semctl |
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// __syscall |
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// __sysctl |
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// adjfreq |
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// break |
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// clock_getres |
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// clock_gettime |
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// clock_settime |
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// closefrom |
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// execve |
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// faccessat |
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// fchmodat |
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// fchownat |
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// fcntl |
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// fhopen |
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// fhstat |
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// fhstatfs |
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// fork |
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// fstatat |
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// futimens |
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// getfh |
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// getgid |
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// getitimer |
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// getlogin |
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// getresgid |
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// getresuid |
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// getrtable |
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// getthrid |
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// ioctl |
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// ktrace |
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// lfs_bmapv |
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// lfs_markv |
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// lfs_segclean |
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// lfs_segwait |
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// linkat |
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// mincore |
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// minherit |
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// mkdirat |
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// mkfifoat |
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// mknodat |
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// mount |
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// mquery |
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// msgctl |
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// msgget |
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// msgrcv |
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// msgsnd |
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// nfssvc |
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// nnpfspioctl |
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// openat |
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// poll |
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// preadv |
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// profil |
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// pwritev |
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// quotactl |
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// readlinkat |
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// readv |
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// reboot |
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// renameat |
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// rfork |
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// sched_yield |
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// semget |
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// semop |
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// setgroups |
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// setitimer |
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// setrtable |
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// setsockopt |
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// shmat |
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// shmctl |
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// shmdt |
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// shmget |
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// sigaction |
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// sigaltstack |
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// sigpending |
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// sigprocmask |
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// sigreturn |
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// sigsuspend |
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// symlinkat |
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// sysarch |
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// syscall |
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// threxit |
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// thrsigdivert |
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// thrsleep |
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// thrwakeup |
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// unlinkat |
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// utimensat |
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// vfork |
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// writev
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