---

---

www.developerfusion.com/.../socket-programming-in-c-part-1

---

Posted by crouse

www.amk.ca/python/howto/sockets

---

Posted by crouse

We can fix arguments, too, which is how you deal with loop control in Erlang. ? END_CHAR is 127, so if we call loop(Socket, 127) it first ...

---

Posted by waqasahmad

* Many of the functions we saw block until a certain event
- accept: until a connection comes in
- connect: until the connection is established
- recv, recvfrom: until a packet (of data) is received
- send, sendto: until data is pushed into socket’s buffer
* Q: why not until received?
* For simple programs, blocking is convenient
* For complex programs
- multiple connections
- simultaneous sends and receives
- simultaneously doing non-networking processing
* Options:
- use the select function call
- create multi-process or multi-threaded code
- turn off the blocking feature (e.g., using the fcntl file-descriptor control function)
* Select
- can be permanent blocking, time-limited blocking or non-blocking
- input: a set of file-descriptors
- output: info on the file-descriptors’ status
-i.e., can identify sockets that are “ready for use”: calls involving that socket will return immediately

---

Posted by jhon186