/// <summary>Invoke <see cref="Interop.Sys.SysConf"/>, throwing if it fails.</summary>
private static int CheckedSysConf(Interop.Sys.SysConfName name)
{
long result = Interop.Sys.SysConf(name);
if (result == -1)
{
Interop.ErrorInfo errno = Interop.Sys.GetLastErrorInfo();
throw errno.Error == Interop.Error.EINVAL ?
new ArgumentOutOfRangeException(nameof(name), name, errno.GetErrorMessage()) :
Interop.GetIOException(errno);
}
return((int)result);
}
private static unsafe void Write(SafeFileHandle fd, byte *bufPtr, int count)
{
while (count > 0)
{
int bytesWritten = Interop.Sys.Write(fd, bufPtr, count);
if (bytesWritten < 0)
{
Interop.ErrorInfo errorInfo = Interop.Sys.GetLastErrorInfo();
if (errorInfo.Error == Interop.Error.EPIPE)
{
return;
}
else
{
throw Interop.GetIOException(errorInfo);
}
}
count -= bytesWritten;
bufPtr += bytesWritten;
}
}
