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nodeupdown_up_count
Langue: en
Version: September 2003 (fedora - 01/12/10)
Section: 3 (Bibliothèques de fonctions)
NAME
nodeupdown_up_count, nodeupdown_down_count - return the number of nodes that are up or downSYNOPSIS
#include <nodeupdown.h>int nodeupdown_up_count(nodeupdown_t handle);
int nodeupdown_down_count(nodeupdown_t handle);
DESCRIPTION
nodeupdown_up_count() returns the number of nodes that are up.nodeupdown_down_count() returns the number of nodes that are down.
RETURN VALUES
On success, nodeupdown_up_count() and nodeupdown_down_count() will return the number of up or down nodes respectively. On error, both return -1, and an error code is returned in handle. The error code can be retrieved via nodeupdown_errnum(3), and a description of the error code can be retrieved via nodeupdown_strerror(3). Error codes are defined in nodeupdown.h.ERRORS
- NODEUPDOWN_ERR_NULLHANDLE
- The handle parameter is NULL. The nodeupdown handle must be created with nodeupdown_handle_create(3).
- NODEUPDOWN_ERR_NOTLOADED
- nodeupdown_load_data(3) has not been called and no data has been retrieved.
- NODEUPDOWN_ERR_MAGIC
- handle has an incorrect magic number. handle does not point to a nodeupdown handle or handle has been destroyed by nodeupdown_handle_destroy(3).
FILES
/usr/include/nodeupdown.hSEE ALSO
libnodeupdown(3), nodeupdown_handle_create(3), nodeupdown_load_data(3), nodeupdown_errnum(3), nodeupdown_strerror(3)Contenus ©2006-2024 Benjamin Poulain
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