1*c83a76b0SSuyog Pawar /****************************************************************************** 2*c83a76b0SSuyog Pawar * 3*c83a76b0SSuyog Pawar * Copyright (C) 2018 The Android Open Source Project 4*c83a76b0SSuyog Pawar * 5*c83a76b0SSuyog Pawar * Licensed under the Apache License, Version 2.0 (the "License"); 6*c83a76b0SSuyog Pawar * you may not use this file except in compliance with the License. 7*c83a76b0SSuyog Pawar * You may obtain a copy of the License at: 8*c83a76b0SSuyog Pawar * 9*c83a76b0SSuyog Pawar * http://www.apache.org/licenses/LICENSE-2.0 10*c83a76b0SSuyog Pawar * 11*c83a76b0SSuyog Pawar * Unless required by applicable law or agreed to in writing, software 12*c83a76b0SSuyog Pawar * distributed under the License is distributed on an "AS IS" BASIS, 13*c83a76b0SSuyog Pawar * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14*c83a76b0SSuyog Pawar * See the License for the specific language governing permissions and 15*c83a76b0SSuyog Pawar * limitations under the License. 16*c83a76b0SSuyog Pawar * 17*c83a76b0SSuyog Pawar ***************************************************************************** 18*c83a76b0SSuyog Pawar * Originally developed and contributed by Ittiam Systems Pvt. Ltd, Bangalore 19*c83a76b0SSuyog Pawar */ 20*c83a76b0SSuyog Pawar 21*c83a76b0SSuyog Pawar /*****************************************************************************/ 22*c83a76b0SSuyog Pawar /* */ 23*c83a76b0SSuyog Pawar /* File Name : osal_mbox.h */ 24*c83a76b0SSuyog Pawar /* */ 25*c83a76b0SSuyog Pawar /* Description : This file contains OSAL Mail box handle structure */ 26*c83a76b0SSuyog Pawar /* definition. */ 27*c83a76b0SSuyog Pawar /* */ 28*c83a76b0SSuyog Pawar /* List of Functions : None */ 29*c83a76b0SSuyog Pawar /* */ 30*c83a76b0SSuyog Pawar /* Issues / Problems : None */ 31*c83a76b0SSuyog Pawar /* */ 32*c83a76b0SSuyog Pawar /* Revision History : */ 33*c83a76b0SSuyog Pawar /* */ 34*c83a76b0SSuyog Pawar /* DD MM YYYY Author(s) Changes (Describe the changes made) */ 35*c83a76b0SSuyog Pawar /* 26 05 2006 Ittiam Draft */ 36*c83a76b0SSuyog Pawar /* */ 37*c83a76b0SSuyog Pawar /*****************************************************************************/ 38*c83a76b0SSuyog Pawar 39*c83a76b0SSuyog Pawar #ifndef OSAL_MBOX_H 40*c83a76b0SSuyog Pawar #define OSAL_MBOX_H 41*c83a76b0SSuyog Pawar 42*c83a76b0SSuyog Pawar /*****************************************************************************/ 43*c83a76b0SSuyog Pawar /* Constant Macros */ 44*c83a76b0SSuyog Pawar /*****************************************************************************/ 45*c83a76b0SSuyog Pawar 46*c83a76b0SSuyog Pawar /*****************************************************************************/ 47*c83a76b0SSuyog Pawar /* Structures */ 48*c83a76b0SSuyog Pawar /*****************************************************************************/ 49*c83a76b0SSuyog Pawar 50*c83a76b0SSuyog Pawar /* Mail box handle structure. In WIN32 mail boxes are associated with each */ 51*c83a76b0SSuyog Pawar /* Thread. So, thread id represents the mail box in question. In POSIX, name */ 52*c83a76b0SSuyog Pawar /* distinguishs the mail boxes. */ 53*c83a76b0SSuyog Pawar 54*c83a76b0SSuyog Pawar typedef struct 55*c83a76b0SSuyog Pawar { 56*c83a76b0SSuyog Pawar WORD32 mq_id; /* Message queue identifier */ 57*c83a76b0SSuyog Pawar void *mmr_handle; /* Pointer to memory manager handle */ 58*c83a76b0SSuyog Pawar osal_t *hdl; /* Associated OSAL handle */ 59*c83a76b0SSuyog Pawar } mbox_handle_t; 60*c83a76b0SSuyog Pawar 61*c83a76b0SSuyog Pawar typedef struct 62*c83a76b0SSuyog Pawar { 63*c83a76b0SSuyog Pawar void *mmr_handle; /* Pointer to memory manager handle */ 64*c83a76b0SSuyog Pawar osal_t *hdl; /* Associated OSAL handle */ 65*c83a76b0SSuyog Pawar 66*c83a76b0SSuyog Pawar void *count_sem; /* Semaphore to take care of get to an empty queue */ 67*c83a76b0SSuyog Pawar void *sync_mutex; /* Mutex to maintain sync in post msg and get msg */ 68*c83a76b0SSuyog Pawar void *data; /* msg posted or got from the queue */ 69*c83a76b0SSuyog Pawar 70*c83a76b0SSuyog Pawar UWORD32 write_count; /* Post Count */ 71*c83a76b0SSuyog Pawar UWORD32 read_count; /* Get Count */ 72*c83a76b0SSuyog Pawar UWORD32 msg_size; /* Size of the msg */ 73*c83a76b0SSuyog Pawar UWORD32 mbox_len; /* Max number of messages the mailbox can handle */ 74*c83a76b0SSuyog Pawar } custom_mbox_handle_t; 75*c83a76b0SSuyog Pawar 76*c83a76b0SSuyog Pawar #endif /* OSAL_MBOX_H */ 77