| /* Copyright (c) 2011, The Linux Foundation. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * * Neither the name of The Linux Foundation nor the names of its |
| * contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR |
| * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE |
| * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN |
| * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #ifndef LOC_API_CB_SYNC_H |
| #define LOC_API_CB_SYNC_H |
| |
| #ifdef __cplusplus |
| extern "C" |
| { |
| #endif |
| #include "loc_api_rpc_glue.h" |
| #define LOC_SYNC_CALL_SLOTS_MAX 8 |
| |
| typedef struct { |
| pthread_mutex_t lock; |
| |
| /* Client ID */ |
| rpc_loc_client_handle_type loc_handle; |
| |
| /* Callback waiting conditional variable */ |
| pthread_cond_t loc_cb_arrived_cond; |
| |
| /* Callback waiting data block, protected by loc_cb_data_mutex */ |
| boolean in_use; |
| boolean signal_sent; |
| boolean not_available; |
| rpc_loc_event_mask_type loc_cb_wait_event_mask; /* event to wait for */ |
| rpc_loc_ioctl_e_type ioctl_type; /* ioctl to wait for */ |
| rpc_loc_event_payload_u_type loc_cb_received_payload; /* received payload */ |
| rpc_loc_event_mask_type loc_cb_received_event_mask; /* received event */ |
| } loc_sync_call_slot_s_type; |
| |
| typedef struct { |
| int num_of_slots; |
| loc_sync_call_slot_s_type slots[LOC_SYNC_CALL_SLOTS_MAX]; |
| } loc_sync_call_slot_array_s_type; |
| |
| /* Init function */ |
| void loc_api_sync_call_init(); |
| |
| /* Destroy function */ |
| void loc_api_sync_call_destroy(); |
| |
| /* Process Loc API callbacks to wake up blocked user threads */ |
| void loc_api_callback_process_sync_call( |
| rpc_loc_client_handle_type loc_handle, /* handle of the client */ |
| rpc_loc_event_mask_type loc_event, /* event mask */ |
| const rpc_loc_event_payload_u_type* loc_event_payload /* payload */ |
| ); |
| |
| /* Reentrant synchronous IOCTL call, using Loc API return code */ |
| int loc_api_sync_ioctl |
| ( |
| rpc_loc_client_handle_type handle, |
| rpc_loc_ioctl_e_type ioctl_type, |
| rpc_loc_ioctl_data_u_type* ioctl_data_ptr, |
| uint32 timeout_msec, |
| rpc_loc_ioctl_callback_s_type *cb_data_ptr |
| ); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* LOC_API_CB_SYNC_H */ |