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CMAP_DISPATCH(3) Corosync Cluster Engine Programmer's Manual CMAP_DISPATCH(3) NAME cmap_dispatch - Dispatches callbacks from the CMAP service SYNOPSIS #include <corosync/cmap.h> cs_error_t cmap_dispatch (cmap_handle_t handle, cs_dispatch_flags_t dispatch_types); DESCRIPTION The cmap_dispatch function is used to dispatch configuration changes. Each application may have several connections to the CMAP API. Each application uses the handle argument to uniquely identify the connec- tion. The dispatch_types argument is used to identify the type of dispatch to execute. The possible types are CS_DISPATCH_ONE, CS_DISPATCH_ALL and CS_DISPATCH_BLOCKING. 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 cs_dis- patch() 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. It's needed to call cmap_track_add(3) to add tracked items and receive callbacks. RETURN VALUE This call returns the CS_OK value if successful, otherwise an error is returned. SEE ALSO cmap_track_add(3), cmap_track_delete(3), cmap_overview(3) 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 corosync Man Page 23/01/2012 CMAP_DISPATCH(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO
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