SYNOPSIS
#include <corosync/votequorum.h>int votequorum_trackstart(votequorum_handle_t *handle, uint64_t context, unsigned int flags);
DESCRIPTION
The votequorum_trackstart function is used to enable callbacks notification from the votequorum API.Every time the voting configuraton changes (eg a node joins or leave the cluster) or the quorum status change or the expected votes changes, the notification is queued.
The notification is dispatched via votequorum_dispatch() function that will execute the callback.
The context option allows one to set a tracking context.
The flags argument is defined by one or more of the following values and values can be bitwise-or'd
#define CS_TRACK_CURRENT 0x01 #define CS_TRACK_CHANGES 0x02 #define CS_TRACK_CHANGES_ONLY 0x04
RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is returned.
ERRORS
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 inturrupted by a signal
CS_ERR_NOT_SUPPORTED The requested protocol/functuality not supported
CS_ERR_MESSAGE_ERROR Incorrect auth message received
CS_ERR_NO_MEMORY Not enough memory to completed the requested task