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SAM_DATA_STORE(3) Corosync Cluster Engine Programmer's Manual SAM_DATA_STORE(3) NAME sam_data_store - Store user data SYNOPSIS #include <corosync/sam.h> cs_error_t sam_data_store (const void *data, size_t size); DESCRIPTION The sam_data_store function is used to store data, which survives between instances. The data parameter is pointer to memory with data to store. Data are stored in newly allocated memory inside library, so caller can safely remove them after call of function. You can use NULL as parameter to remove and free previously saved data. In this case size argument is ignored. The size parameter is length of data. Use sam_data_getsize(3) to find out length of stored data and sam_data_re- store(3) to restore stored data. RETURN VALUE This call return CS_OK value if successful, otherwise and error is re- turned. ERRORS CS_ERR_BAD_HANDLE component was not initialized by calling sam_initialize(3) or it was finalized. CS_ERR_NO_MEMORY internal malloc/realloc failed because data are too large CS_ERR_LIBRARY some internal error appeared (mostly because communication with par- ent process failed) SEE ALSO sam_data_getsize(3), sam_data_restore(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 04/15/2010 SAM_DATA_STORE(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | SEE ALSO
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