NAME

       keyctl_clear - clear a keyring

SYNOPSIS

       #include <keyutils.h>

       long keyctl_clear(key_serial_t keyring);

DESCRIPTION

       keyctl_clear() clears the contents of a keyring.

       The caller must have write permission on a keyring to be able to clear it.

RETURN VALUE

       On  success  keyctl_clear()  returns 0.  On error, the value -1 will be returned and errno
       will have been set to an appropriate error.

ERRORS

       ENOKEY The keyring specified is invalid.

       EKEYEXPIRED
              The keyring specified has expired.

       EKEYREVOKED
              The keyring specified had been revoked.

       EACCES The keyring exists, but is not writable by the calling process.

LINKING

       This is a library function that can be found in  libkeyutils.   When  linking,  -lkeyutils
       should be specified to the linker.

SEE ALSO

       keyctl(1), add_key(2), keyctl(2), request_key(2), keyctl(3), keyrings(7), keyutils(7)