CONFDB_DISPATCH

Section: Corosync Cluster Engine Programmer's Manual (3) Updated: 2004-08-31 Local index Up

NAME

confdb_dispatch - Dispatches callbacks from the CONFDB service

#include <corosync/confdb.h>

int confdb_dispatch(confdb_handle_t handle, confdb_dispatch_t *dispatch_types);

The confdb_dispatch function is used to dispatch configuration changes.

Each application may have several connections to the CONFDB 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 {
        CONFDB_DISPATCH_ONE,
        CONFDB_DISPATCH_ALL,
        CONFDB_DISPATCH_BLOCKING
} confdb_dispatch_t;

The dispatch values have the following meanings:

CONFDB_DISPATCH_ONE: Dispatch at least one callback, blocking until the callback is dispatched.
CONFDB_DISPATCH_ALL: Dispatch all waiting callbacks without blocking to wait for any callbacks.
CONFDB_DISPATCH_BLOCKING: Dispatch all callbacks blocking indefinitely. This is used in a threaded program where a thread is created, and then confdb_dispatch() is called immediately from the created thread to execute callbacks.

This call returns the CONFDB_OK value if successful, otherwise an error is returned.

The errors are undocumented.

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Time: 21:43:42 GMT, April 16, 2011