SIMPLE SOLUTIONS

QUORUM_TRACKSTART(3) - man page online | library functions

Enable callbacks notification.

Chapter
2018-02-19
QUORUM_TRACKSTART(3)       Corosync Cluster Engine Programmer's Manual       QUORUM_TRACKSTART(3)

NAME quorum_trackstart - Enable callbacks notification.
SYNOPSIS #include <corosync/quorum.h> int quorum_trackstart(quorum_handle_t *handle, unsigned int flags);
DESCRIPTION The quorum_trackstart function is used to enable callbacks notification from the quorum API. Every time the voting configuraton changes (eg a node joins or leave the cluster) or the quorum status change, the notification is queued. The notification is dispatched via quorum_dispatch() function that will execute the call‐ back. 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
SEE ALSO quorum_overview(8), quorum_initialize(3), quorum_finalize(3), quorum_getquorate(3), quo‐ rum_trackstop(3), quorum_fd_get(3), quorum_dispatch(3), quorum_context_set(3), quorum_con‐ text_get(3)
corosync Man Page 2018-02-19 QUORUM_TRACKSTART(3)
This manual Reference Other manuals
quorum_trackstart(3) referred by quorum_finalize(3) | quorum_getquorate(3) | quorum_initialize(3) | quorum_overview(8)
refer to quorum_context_set(3) | quorum_dispatch(3) | quorum_fd_get(3) | quorum_finalize(3) | quorum_getquorate(3) | quorum_initialize(3) | quorum_overview(8)