public void Dispose()
{
if (!FileHandle.Equals(default(IntPtr)))
{
Stdlib.fclose(FileHandle);
}
}
private static int GetPeriBase()
{
var fp = Stdlib.fopen(DeviceTreePath, DeviceTreeAccessMode);
if (fp == IntPtr.Zero)
{
return(0);
}
var buf = new byte[4];
// get peri base from device tree
Stdlib.fseek(fp, 4, SeekFlags.SEEK_SET);
var periBase = 0;
if (Stdlib.fread(buf, 1, (ulong)buf.Length, fp) == (ulong)buf.Length)
{
periBase = buf[0] << 24 | buf[1] << 16 | buf[2] << 8 | buf[3] << 0;
}
Stdlib.fclose(fp);
return(periBase);
}
private static bool FileExists(string file)
{
bool zero = false;
IntPtr intPtr = Stdlib.fopen(file, "r");
zero = intPtr != IntPtr.Zero;
if (intPtr != IntPtr.Zero)
{
Stdlib.fclose(intPtr);
}
return(zero);
}
static void DettachFromStdIO()
{
try
{
Stdlib.fclose(Stdlib.stdin);
Stdlib.fclose(Stdlib.stdout);
Stdlib.fclose(Stdlib.stderr);
}
catch (Exception ex)
{
Logger.LogException("Could not dettach from stdio.", ex);
}
}
public override void Close()
{
if (this.file == StdioFileStream.InvalidFileStream)
{
return;
}
if (!this.owner)
{
this.Flush();
}
else if (Stdlib.fclose(this.file) != 0)
{
UnixMarshal.ThrowExceptionForLastError();
}
this.file = StdioFileStream.InvalidFileStream;
this.canRead = false;
this.canSeek = false;
this.canWrite = false;
GC.SuppressFinalize(this);
GC.KeepAlive(this);
}