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package system
import (
"os/exec"
"syscall"
)
func Chroot(dir string) error {
return syscall.Chroot(dir)
}
func Chdir(dir string) error {
return syscall.Chdir(dir)
}
func Exec(cmd string, args []string, env []string) error {
return syscall.Exec(cmd, args, env)
}
func Execv(cmd string, args []string, env []string) error {
name, err := exec.LookPath(cmd)
if err != nil {
return err
}
return Exec(name, args, env)
}
func Fork() (int, error) {
syscall.ForkLock.Lock()
pid, _, err := syscall.Syscall(syscall.SYS_FORK, 0, 0, 0)
syscall.ForkLock.Unlock()
if err != 0 {
return -1, err
}
return int(pid), nil
}
func Mount(source, target, fstype string, flags uintptr, data string) error {
return syscall.Mount(source, target, fstype, flags, data)
}
func Unmount(target string, flags int) error {
return syscall.Unmount(target, flags)
}
func Pivotroot(newroot, putold string) error {
return syscall.PivotRoot(newroot, putold)
}
func Unshare(flags int) error {
return syscall.Unshare(flags)
}
func Clone(flags uintptr) (int, error) {
syscall.ForkLock.Lock()
pid, _, err := syscall.RawSyscall(syscall.SYS_CLONE, flags, 0, 0)
syscall.ForkLock.Unlock()
if err != 0 {
return -1, err
}
return int(pid), nil
}
func UsetCloseOnExec(fd uintptr) error {
if _, _, err := syscall.Syscall(syscall.SYS_FCNTL, fd, syscall.F_SETFD, 0); err != 0 {
return err
}
return nil
}
func Setgroups(gids []int) error {
return syscall.Setgroups(gids)
}
func Setresgid(rgid, egid, sgid int) error {
return syscall.Setresgid(rgid, egid, sgid)
}
func Setresuid(ruid, euid, suid int) error {
return syscall.Setresuid(ruid, euid, suid)
}
func Setgid(gid int) error {
return syscall.Setgid(gid)
}
func Setuid(uid int) error {
return syscall.Setuid(uid)
}
func Sethostname(name string) error {
return syscall.Sethostname([]byte(name))
}
func Setsid() (int, error) {
return syscall.Setsid()
}
func Ioctl(fd uintptr, flag, data uintptr) error {
if _, _, err := syscall.Syscall(syscall.SYS_IOCTL, fd, flag, data); err != 0 {
return err
}
return nil
}
func Closefd(fd uintptr) error {
return syscall.Close(int(fd))
}
func Dup2(fd1, fd2 uintptr) error {
return syscall.Dup2(int(fd1), int(fd2))
}
func Mknod(path string, mode uint32, dev int) error {
return syscall.Mknod(path, mode, dev)
}
func ParentDeathSignal(sig uintptr) error {
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_PDEATHSIG, sig, 0); err != 0 {
return err
}
return nil
}
func Setctty() error {
if _, _, err := syscall.RawSyscall(syscall.SYS_IOCTL, 0, uintptr(syscall.TIOCSCTTY), 0); err != 0 {
return err
}
return nil
}
func Mkfifo(name string, mode uint32) error {
return syscall.Mkfifo(name, mode)
}
func Umask(mask int) int {
return syscall.Umask(mask)
}
func SetCloneFlags(cmd *exec.Cmd, flag uintptr) {
if cmd.SysProcAttr == nil {
cmd.SysProcAttr = &syscall.SysProcAttr{}
}
cmd.SysProcAttr.Cloneflags = flag
}
func Gettid() int {
return syscall.Gettid()
}
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