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cmap_overview(8) [centos man page]

CMAP_OVERVIEW(8)				    Corosync Cluster Engine Programmer's Manual 				  CMAP_OVERVIEW(8)

NAME
cmap_overview - Overview of the Configuration Map OVERVIEW
The CMAP library is used to interact with the configuration database used by corosync. The library provides a mechanism to: * Create of new keys * Change existing keys * Remove keys * Iterate keys with given prefix * Track changes on keys Description of most keys created by corosync itself can be found in cmap_keys (8). BUGS
SEE ALSO
cmap_initialize(3), cmap_finalize(3), cmap_get(3), cmap_set(3), cmap_delete(3), cmap_inc(3), cmap_dec(3), cmap_fd_get(3), cmap_dispatch(3), cmap_context_set(3), cmap_context_get(3), cmap_iter_init(3), cmap_iter_next(3), cmap_iter_finalize(3), cmap_track_add(3), cmap_track_delete(3), cmap_keys(8) corosync Man Page 03/02/2012 CMAP_OVERVIEW(8)

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CMAP_ITER_NEXT(3)				    Corosync Cluster Engine Programmer's Manual 				 CMAP_ITER_NEXT(3)

NAME
cmap_iter_next - Return next item in iteration in CMAP SYNOPSIS
#include <corosync/cmap.h> cs_error_t cmap_iter_next(cmap_handle_t handle, cmap_iter_handle_t iter_handle, char key_name[], size_t *value_len, cmap_value_types_t *type); DESCRIPTION
The cmap_iter_next function is used to get next value in iteration. The handle argument is connection to CMAP database obtained by calling cmap_initialize(3) function. iter_handle argument is iterator handle obtained by cmap_iter_init(3) function. Following key name is stored inside key_name argument, which must be preallocated by caller and its quaranted maximum size is CMAP_KEYNAME_MAXLEN (urrently 255). value_len is pointer where length of value is stored, but can be NULL. type is also optional argument (can be NULL) and here type of value is stored (type is one of types described in cmap_get(3) function). RETURN VALUE
This call returns the CS_OK value if successful. If there are no more items to iterate, CS_NO_SECTION error code is returned. SEE ALSO
cmap_iter_init(3), cmap_iter_finalize(3), cmap_initialize(3), cmap_get(3), cmap_overview(8) 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 06/02/2012 CMAP_ITER_NEXT(3)

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