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QUORUM_DISPATCH(3) Corosync Cluster Engine Programmer's Manual QUORUM_DISPATCH(3)

quorum_dispatch - Dispatches callbacks from the quorum service

#include <corosync/quorum.h>
int quorum_dispatch(quorum_handle_t handle, cs_dispatch_flags_t *dispatch_types);

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.

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

CS_ERR_TRY_AGAIN Resource temporarily unavailable
CS_ERR_INVALID_PARAM Invalid argument
CS_ERR_ACCESS Permission denied
CS_ERR_LIBRARY The connection failed
CS_ERR_INTERRUPT System call interrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functionality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to complete the requested task

quorum_overview(8), quorum_initialize(3), quorum_finalize(3), quorum_getquorate(3), quorum_trackstart(3), quorum_trackstop(3), quorum_fd_get(3), quorum_context_set(3), quorum_context_get(3)
2019-01-01 corosync Man Page

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