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Diffstat (limited to 'docs/nspr/reference/pr_listen.rst')
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diff --git a/docs/nspr/reference/pr_listen.rst b/docs/nspr/reference/pr_listen.rst new file mode 100644 index 0000000000..1b1efefc21 --- /dev/null +++ b/docs/nspr/reference/pr_listen.rst @@ -0,0 +1,48 @@ +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`. |