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VOTEQUORUM_TRACKSTCorosync Cluster Engine Programmer'sVOTEQUORUM_TRACKSTART(3)

NAME
       votequorum_trackstart - Enable callbacks	notification.

SYNOPSIS
       #include	<corosync/votequorum.h>

       int  votequorum_trackstart(votequorum_handle_t  *handle,	 uint64_t con-
       text, unsigned int flags);

DESCRIPTION
       The votequorum_trackstart function is used to enable callbacks  notifi-
       cation from the votequorum API.

       Every  time  the	voting configuration 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 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

SEE ALSO
       votequorum_overview(3),	 votequorum_initialize(3),   votequorum_final-
       ize(3),	  votequorum_getinfo(3),   votequorum_trackstop(3),   votequo-
       rum_fd_get(3), votequorum_dispatch(3), votequorum_context_set(3), vote-
       quorum_context_get(3),	     votequorum_setexpected(3),	      votequo-
       rum_setvotes(3)

corosync Man Page		  2020-08-28	      VOTEQUORUM_TRACKSTART(3)

NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | SEE ALSO

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