quorum_dispatch - Man Page

Dispatches callbacks from the quorum service

Synopsis

#include <corosync/quorum.h>

int quorum_dispatch(quorum_handle_t handle, cs_dispatch_flags_t *dispatch_types);

Description

The quorum_dispatch function is used to dispatch configuration changes.

Each application may have several connections to the quorum API. Each application uses the handle argument to uniquely identify the connection.

The dispatch_types argument is used to identify the type of dispatch to execute. The possible types are defined by the structure:

typedef enum {
        CS_DISPATCH_ONE = 1,
        CS_DISPATCH_ALL = 2,
        CS_DISPATCH_BLOCKING = 3,
        CS_DISPATCH_ONE_NONBLOCKING = 4
} cs_dispatch_flags_t;

The dispatch values have the following meanings:

CS_DISPATCH_ONE: Dispatch at least one callback, blocking until the callback is dispatched.
CS_DISPATCH_ALL: Dispatch all waiting callbacks without blocking to wait for any callbacks.
CS_DISPATCH_BLOCKING: Dispatch all callbacks blocking indefinitely. This is used in a threaded program where a thread is created, and then quorum_dispatch() is called immediately from the created thread to execute callbacks.
CS_DISPATCH_ONE_NONBLOCKING: Dispatch at most one callback. If there is no pending callback, CS_ERR_TRY_AGAIN is returned.