blob: 1b1efefc21995956a6c7b6df0055b51ef1533caf (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
PR_Listen
=========
Listens for connections on a specified socket.
Syntax
------
.. code::
#include <prio.h>
PRStatus PR_Listen(
PRFileDesc *fd,
PRIntn backlog);
Parameters
~~~~~~~~~~
The function has the following parameters:
``fd``
A pointer to a :ref:`PRFileDesc` object representing a socket that will
be used to listen for new connections.
``backlog``
The maximum length of the queue of pending connections.
Returns
~~~~~~~
The function returns one of the following values:
- Upon successful completion of listen request, ``PR_SUCCESS``.
- If unsuccessful, ``PR_FAILURE``. Further information can be obtained
by calling :ref:`PR_GetError`.
Description
-----------
:ref:`PR_Listen` turns the specified socket into a rendezvous socket. It
creates a queue for pending connections and starts to listen for
connection requests on the socket. The maximum size of the queue for
pending connections is specified by the ``backlog`` parameter. Pending
connections may be accepted by calling :ref:`PR_Accept`.
|