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Man Pages


Manual Reference Pages  -  QUORUM_TRACKSTART (3)

NAME

quorum_trackstart - Enable callbacks notification.

CONTENTS

Synopsis
Description
Return Value
Errors

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 callback.

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), quorum_trackstop(3), quorum_fd_get(3), quorum_dispatch(3), quorum_context_set(3), quorum_context_get(3)

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corosync Man Page QUORUM_TRACKSTART (3) 2016-04-03

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