cpg_finalize(3) [centos man page]
CPG_FINALIZE(3) Corosync Cluster Engine Programmer's Manual CPG_FINALIZE(3) NAME
cpg_finalize - Terminate a connection to the CPG service SYNOPSIS
#include <corosync/cpg.h> int cpg_finalize(cpg_handle_t handle); DESCRIPTION
The cpg_finalize function is used to close a connection to the closed process group API. Once the connection is finalized, the handle may not be used again by applications. No more callbacks will be dispatched from the cpg_dispatch function. RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is returned. ERRORS
The errors are undocumented. SEE ALSO
cpg_overview(8), cpg_initialize(3), cpg_finalize(3), cpg_fd_get(3), cpg_dispatch(3), cpg_join(3), cpg_leave(3), cpg_mcast_joined(3), cpg_membership_get(3) cpg_zcb_alloc(3) cpg_zcb_free(3) cpg_zcb_mcast_joined(3) cpg_context_get(3) cpg_context_set(3) cpg_local_get(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 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 corosync Man Page 2004-08-31 CPG_FINALIZE(3)
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CPG_DISPATCH(3) Corosync Cluster Engine Programmer's Manual CPG_DISPATCH(3) NAME
cpg_dispatch - Dispatches callbacks from the CPG service SYNOPSIS
#include <corosync/cpg.h> int cpg_dispatch(cpg_handle_t handle, cpg_dispatch_t *dispatch_types); DESCRIPTION
The cpg_dispatch function is used to dispatch configuration changes or messages from the closed process groups API. Each application may have several connections to the CPG 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 defined by the structure: typedef enum { CS_DISPATCH_ONE, CS_DISPATCH_ALL, CS_DISPATCH_BLOCKING } cpg_dispatch_t; The dispatch values have the following meanings: CS_DISPATCH_ONE Dispatch atleast 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 cpg_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. RETURN VALUE
This call returns the CS_OK value if successful, otherwise an error is returned. ERRORS
The errors are undocumented. SEE ALSO
cpg_overview(8), cpg_initialize(3), cpg_finalize(3), cpg_fd_get(3), cpg_dispatch(3), cpg_join(3), cpg_leave(3), cpg_mcast_joined(3), cpg_membership_get(3) cpg_zcb_alloc(3) cpg_zcb_free(3) cpg_zcb_mcast_joined(3) cpg_context_get(3) cpg_context_set(3) cpg_local_get(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 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 corosync Man Page 2004-08-31 CPG_DISPATCH(3)