IP_ReceiveNonblock
IP_ReceiveNonblock — receives any message, without blocking.
Syntax
#include <cogent.h>
int IP_ReceiveNonblock( | IP_Task* | myself, |
| | IP_Msg* | rmsg, |
| | IP_MsgInfo* | msginfo); |
Arguments
- myself
- A task structure referring to the current process.
- rmsg
- A message structure to hold the received message.
- msginfo
- A structure to be filled with extra information.
Returns
The type of the received message.
If no message was available then -1 is
returned and msginfo->rcvid is set to
EAGAIN.
Description
This function receives a
message of any type, but will not block if no message is available.
See IP_Receive for
details.
