private int ReadSpecialFd(PollFlags revents)
{
PollFlags badEvents = PollFlags.POLLERR | PollFlags.POLLHUP | PollFlags.POLLNVAL;
if ((revents & badEvents) != 0)
{
return(-1);
}
Debug.Assert((revents & PollFlags.POLLIN) != 0);
int pipeReadFd = _specialFds[Interop.Sys.ReadEndOfPipe];
int bytesRead = 0;
unsafe
{
do
{
// Read available data from the pipe
int bufferLength = 1024;
byte *dummyBytes = stackalloc byte[bufferLength];
int numBytes = (int)libc.read(pipeReadFd, dummyBytes, (size_t)bufferLength);
if (numBytes <= 0)
{
return(-1);
}
bytesRead += numBytes;
// Check if more data is available
PollFlags outFlags;
int retVal = libc.poll(pipeReadFd, PollFlags.POLLIN, 0, out outFlags);
if (retVal < 0)
{
return(-1);
}
else if (0 == retVal)
{
break;
}
}while (true);
}
return(bytesRead);
}
private int ReadSpecialFd(PollFlags revents)
{
PollFlags badEvents = PollFlags.POLLERR | PollFlags.POLLHUP | PollFlags.POLLNVAL;
if ((revents & badEvents) != 0)
{
return -1;
}
int pipeReadFd = _specialFds[libc.ReadEndOfPipe];
int bytesRead = 0;
unsafe
{
do
{
// Read available data from the pipe
int bufferLength = 1024;
byte* dummyBytes = stackalloc byte[bufferLength];
int numBytes = (int)libc.read(pipeReadFd, dummyBytes, (size_t)bufferLength);
if (numBytes <= 0)
{
return -1;
}
bytesRead += numBytes;
// Check if more data is available
PollFlags outFlags;
int retVal = libc.poll(pipeReadFd, PollFlags.POLLIN, 0, out outFlags);
if (retVal < 0)
{
return -1;
}
else if (0 == retVal)
{
break;
}
}
while (true);
}
return bytesRead;
}