1 /* ccapi/server/ccs_lock.h */ 2 /* 3 * Copyright 2006 Massachusetts Institute of Technology. 4 * All Rights Reserved. 5 * 6 * Export of this software from the United States of America may 7 * require a specific license from the United States Government. 8 * It is the responsibility of any person or organization contemplating 9 * export to obtain such a license before exporting. 10 * 11 * WITHIN THAT CONSTRAINT, permission to use, copy, modify, and 12 * distribute this software and its documentation for any purpose and 13 * without fee is hereby granted, provided that the above copyright 14 * notice appear in all copies and that both that copyright notice and 15 * this permission notice appear in supporting documentation, and that 16 * the name of M.I.T. not be used in advertising or publicity pertaining 17 * to distribution of the software without specific, written prior 18 * permission. Furthermore if you modify this software you must label 19 * your software as modified software and not distribute it in such a 20 * fashion that it might be confused with the original M.I.T. software. 21 * M.I.T. makes no representations about the suitability of 22 * this software for any purpose. It is provided "as is" without express 23 * or implied warranty. 24 */ 25 26 #ifndef CCS_LOCK_H 27 #define CCS_LOCK_H 28 29 #include "ccs_types.h" 30 31 cc_int32 ccs_lock_new (ccs_lock_t *out_lock, 32 cc_uint32 in_type, 33 cc_int32 in_invalid_object_err, 34 ccs_pipe_t in_client_pipe, 35 ccs_pipe_t in_reply_pipe, 36 ccs_lock_state_t in_lock_state_owner); 37 38 cc_int32 ccs_lock_release (ccs_lock_t io_lock); 39 40 cc_int32 ccs_lock_grant_lock (ccs_lock_t io_lock); 41 42 cc_uint32 ccs_lock_is_pending (ccs_lock_t in_lock, 43 cc_uint32 *out_pending); 44 45 cc_int32 ccs_lock_type (ccs_lock_t in_lock, 46 cc_uint32 *out_lock_type); 47 48 cc_int32 ccs_lock_is_read_lock (ccs_lock_t in_lock, 49 cc_uint32 *out_is_read_lock); 50 51 cc_int32 ccs_lock_is_write_lock (ccs_lock_t in_lock, 52 cc_uint32 *out_is_write_lock); 53 54 cc_int32 ccs_lock_is_for_client_pipe (ccs_lock_t in_lock, 55 ccs_pipe_t in_client_pipe, 56 cc_uint32 *out_is_for_client_pipe); 57 58 cc_int32 ccs_lock_client_pipe (ccs_lock_t in_lock, 59 ccs_pipe_t *out_client_pipe); 60 61 #endif /* CCS_LOCK_H */ 62