// namespaces.
		if sys.Unshareflags&CLONE_NEWUSER == 0 {
			if err := writeUidGidMappings(pid, sys); err != nil {
				err2 = err.(Errno)
			}
		}
		RawSyscall(SYS_WRITE, uintptr(mapPipe[1]), uintptr(unsafe.Pointer(&err2)), unsafe.Sizeof(err2))
		Close(mapPipe[1])
	}

	return pid, 0
}

const _LINUX_CAPABILITY_VERSION_3 = 0x20080522

type capHeader struct {

	SYS_VHANGUP                = 58
	SYS_PIPE2                  = 59
	SYS_QUOTACTL               = 60
	SYS_GETDENTS64             = 61
	SYS_LSEEK                  = 62
	SYS_READ                   = 63
	SYS_WRITE                  = 64
	SYS_READV                  = 65
	SYS_WRITEV                 = 66
	SYS_PREAD64                = 67
	SYS_PWRITE64               = 68
	SYS_PREADV                 = 69
	SYS_PWRITEV                = 70

	SYS_VHANGUP                = 58
	SYS_PIPE2                  = 59
	SYS_QUOTACTL               = 60
	SYS_GETDENTS64             = 61
	SYS_LSEEK                  = 62
	SYS_READ                   = 63
	SYS_WRITE                  = 64
	SYS_READV                  = 65
	SYS_WRITEV                 = 66
	SYS_PREAD64                = 67
	SYS_PWRITE64               = 68
	SYS_PREADV                 = 69
	SYS_PWRITEV                = 70

	SYS_VHANGUP                 = 58
	SYS_PIPE2                   = 59
	SYS_QUOTACTL                = 60
	SYS_GETDENTS64              = 61
	SYS_LSEEK                   = 62
	SYS_READ                    = 63
	SYS_WRITE                   = 64
	SYS_READV                   = 65
	SYS_WRITEV                  = 66
	SYS_PREAD64                 = 67
	SYS_PWRITE64                = 68
	SYS_PREADV                  = 69

	SYS_VHANGUP                 = 58
	SYS_PIPE2                   = 59
	SYS_QUOTACTL                = 60
	SYS_GETDENTS64              = 61
	SYS_LSEEK                   = 62
	SYS_READ                    = 63
	SYS_WRITE                   = 64
	SYS_READV                   = 65
	SYS_WRITEV                  = 66
	SYS_PREAD64                 = 67
	SYS_PWRITE64                = 68
	SYS_PREADV                  = 69

// Code generated by the command above; DO NOT EDIT.

package syscall

const (
	SYS_EXIT                   = 1
	SYS_FORK                   = 2
	SYS_READ                   = 3
	SYS_WRITE                  = 4
	SYS_OPEN                   = 5
	SYS_CLOSE                  = 6
	SYS_RESTART_SYSCALL        = 7
	SYS_CREAT                  = 8
	SYS_LINK                   = 9
	SYS_UNLINK                 = 10

// mksysnum_linux.pl /usr/include/asm/unistd.h
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
	SYS_READ                   = 5000
	SYS_WRITE                  = 5001
	SYS_OPEN                   = 5002
	SYS_CLOSE                  = 5003
	SYS_STAT                   = 5004
	SYS_FSTAT                  = 5005
	SYS_LSTAT                  = 5006
	SYS_POLL                   = 5007
	SYS_LSEEK                  = 5008

// mksysnum_linux.pl /usr/include/asm/unistd.h
// Code generated by the command above; DO NOT EDIT.

package syscall

const (
	SYS_READ                   = 5000
	SYS_WRITE                  = 5001
	SYS_OPEN                   = 5002
	SYS_CLOSE                  = 5003
	SYS_STAT                   = 5004
	SYS_FSTAT                  = 5005
	SYS_LSTAT                  = 5006
	SYS_POLL                   = 5007
	SYS_LSEEK                  = 5008

// mksysnum_linux.pl /usr/include/asm/unistd_64.h
// Code generated by the command above; DO NOT EDIT.

//go:build amd64 && linux

package syscall

const (
	SYS_READ                   = 0
	SYS_WRITE                  = 1
	SYS_OPEN                   = 2
	SYS_CLOSE                  = 3
	SYS_STAT                   = 4
	SYS_FSTAT                  = 5
	SYS_LSTAT                  = 6
	SYS_POLL                   = 7

const (
	SYS_EXIT           = 1   // { void sys_exit(int rval); }
	SYS_FORK           = 2   // { int sys_fork(void); }
	SYS_READ           = 3   // { ssize_t sys_read(int fd, void *buf, size_t nbyte); }
	SYS_WRITE          = 4   // { ssize_t sys_write(int fd, const void *buf, \
	SYS_OPEN           = 5   // { int sys_open(const char *path, \
	SYS_CLOSE          = 6   // { int sys_close(int fd); }