Sun Microsystems 5800 manual Return Codes

Synchronous C API Functions

Description

This function initializes the 5800 system API and must be called before calling any of the other functions in this API. It downloads a copy of the schema for a particular host or port. The schema is used to validate the name-value-type tuples that are added to metadata records.

Both the synchronous and the nonsynchronous C APIs are fully thread-safe and can be used simultaneously in multiple threads from the same process. Each thread must call “hc_session_create_ez” on page 53 to create its own session. Sessions must not be shared between threads.

Note – hc_init should be called once per process before any thread calls

hc_session_create_ez. If hc_session_create_ez is called before hc_init, an implicit call is made to hc_init from that thread. But that call to hc_init is not interlocked with other threads, and it uses the C API shared library’s version of malloc and free, which might be different than the application’s version of malloc and free. It is strongly recommended that all applications call hc_init once per process with their own allocator and deallocator.

For more information on hc_init, see “Initializing a Global Session” on page 41

Parameters

host

IN: The name or IP address of a 5800 system server.

port

IN: The port number of the 5800 system server (normally 8080).

sessionp

OUT: Updated to point to a session object.

Return Codes

HCERR_OK

HCERR_BAD_REQUEST

HCERR_OOM

HCERR_ILLEGAL_ARGUMENT

54 Sun StorageTek 5800 System Client API Reference Manual • June 2008