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    Command:

    keyctl_get_keyring_ID

    
    
    

    SYNOPSIS

           #include <keyutils.h>
    
           key_serial_t keyctl_get_keyring_ID(key_serial_t key,
            int create);
    
    
    

    DESCRIPTION

           keyctl_get_keyring_ID()  maps a special key or keyring ID to the serial
           number of the key actually representing that feature.  The serial  num-
           ber will be returned if that key exists.
    
           If  the  key or keyring does not yet exist, then if create is non-zero,
           the key or keyring will be created if it is appropriate to do so.
    
           The following special key IDs may be specified as key:
    
           KEY_SPEC_THREAD_KEYRING
                  This specifies the caller's thread-specific keyring.
    
           KEY_SPEC_PROCESS_KEYRING
                  This specifies the caller's process-specific keyring.
    
           KEY_SPEC_SESSION_KEYRING
                  This specifies the caller's session-specific keyring.
    
           KEY_SPEC_USER_KEYRING
                  This specifies the caller's UID-specific keyring.
    
           KEY_SPEC_USER_SESSION_KEYRING
                  This specifies the caller's UID-session keyring.
    
           KEY_SPEC_REQKEY_AUTH_KEY
                  This specifies the authorisation key  created  by  request_key()
                  and passed to the process it spawns to generate a key.
    
           If  a  valid keyring ID is passed in, then this will simply be returned
           if the key exists; an error will be issued if it doesn't exist.
    
    
    

    RETURN VALUE

           On success keyctl_get_keyring_ID() returns the serial number of the key
           it  found.  On error, the value -1 will be returned and errno will have
           been set to an appropriate error.
    
    
    

    ERRORS

           ENOKEY No matching key was found.
    
           ENOMEM Insufficient memory to create a key.
    
           EDQUOT The key quota for this user would be exceeded by  creating  this
                  key or linking it to the keyring.
    
    
    

    LINKING

    
    
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