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/*
* @copyright Copyright (c) 2016-2019 TOYOTA MOTOR CORPORATION.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/****************************************************************************
@file waitforsingleobject.cpp
@detail Functions that implement waitforsingleobject in PosixBasedOS001<BR>
Functions to register/delete a table to determine the handle and its type
*****************************************************************************/
#include "_pbWaitforsingleobject.h"
#include <vehicle_service/positioning_base_library.h>
#include "WPF_STD_private.h"
#include "_pbInternalProc.h"
typedef struct HandleTypeTable {
HANDLE h_handle; /* Registration handle */
HANDLE_KIND l_kind; /* Type of Mutex/Semaphre/Event... */
struct HandleTypeTable *next;
} HANDLE_TYPE;
static HANDLE_TYPE *g_pst_handle_kind_table = NULL;
static pthread_mutex_t g_func_lock_mutex = PTHREAD_MUTEX_INITIALIZER; /* Consider replacing it later */
/* Prototype declarations */
static BOOL FindList(HANDLE_TYPE **p_list, HANDLE h_obj);
static BOOL AddList(HANDLE_TYPE *p_add_list);
static BOOL DelList(HANDLE_TYPE *h_del_obj);
static BOOL FunctionLock(void);
static BOOL FunctionUnlock(void);
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Public APIs
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* _sys Internally Used APIs
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************************************************************************
@brief WaitObjectInit<BR>
Initialization processing for each process
@outline WaitObjectInit<BR>
Initialization processing for each process
@type Completion return type
@return BOOL
@retval TRUE : Normal
@retval FALSE : Error
*****************************************************************************/
BOOL WaitObjectInit(void) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
g_pst_handle_kind_table = NULL;
return TRUE;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief WaitObjectTerm<BR>
Termination processing for each process
@outline WaitObjectTerm<BR>
Termination processing for each process
@type Completion return type
@return BOOL
@retval TRUE : Normal
@retval FALSE : Error
*****************************************************************************/
BOOL WaitObjectTerm(void) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
if (NULL != g_pst_handle_kind_table) {
/* Should be Deleted a List? */
}
return TRUE;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief WaitObjectAdd<BR>
Register a handle and a handle-type in a list
@outline WaitObjectAdd<BR>
Register a handle and a handle-type in a list
@type Completion return type
@param[in] HANDLE h_obj : Handle to register
@param[in] HANDLE_KIND l_kind : Handle type
@return BOOL
@retval TRUE : Normal
FALSE : Error
*****************************************************************************/
BOOL WaitObjectAdd(HANDLE h_obj, HANDLE_KIND l_kind) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
BOOL bret = FALSE;
HANDLE_TYPE *p_add_list = NULL;
if ((NULL != h_obj)
&& (PB_HANDLE_INVAL < l_kind)
&& (PB_HANDLE_KIND_MAX > l_kind)) {
FunctionLock();
bret = FindList(&p_add_list, h_obj);
if (TRUE == bret) {
/* Handle already registered */
if (l_kind == p_add_list->l_kind) {
/* re-register the same item */
bret = TRUE;
} else {
/* An attempt was made to re-register the same handle with different type */
bret = FALSE; /** Consider whether to win or not later */
}
} else {
p_add_list = reinterpret_cast<HANDLE_TYPE*>(malloc(sizeof(HANDLE_TYPE)));
if (NULL == p_add_list) {
/* Memory acquisition failed */
bret = FALSE;
} else {
memset(p_add_list, 0, sizeof(HANDLE_TYPE));
p_add_list->h_handle = h_obj;
p_add_list->l_kind = l_kind;
p_add_list->next = NULL;
bret = AddList(p_add_list);
if (FALSE == bret) {
/* Registration failure */
free(p_add_list);
bret = FALSE;
} else {
bret = TRUE;
}
}
}
FunctionUnlock();
} else {
bret = FALSE; /** Parameter error */
}
return bret;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief WaitObjectDel<BR>
Remove handle and handle-type from the list
@outline WaitObjectDel<BR>
Remove handle and handle-type from the list
@type Completion return type
@param[in] HANDLE h_obj : Handle to delete
@return BOOL
@retval TRUE : Normal
FALSE : Error
*****************************************************************************/
BOOL WaitObjectDel(HANDLE h_obj) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
BOOL bret = FALSE;
HANDLE_TYPE *p_del_list = NULL;
if (NULL != h_obj) {
FunctionLock();
bret = FindList(&p_del_list, h_obj);
if (TRUE == bret) {
/* handle already registered */
if (TRUE == DelList(p_del_list)) {
free(p_del_list);
bret = TRUE;
} else {
bret = FALSE;
}
} else {
bret = FALSE; /* no handles */
}
FunctionUnlock();
} else {
bret = FALSE; /* Parameter error */
}
return bret;
}
// LCOV_EXCL_STOP
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Private API
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/****************************************************************************
@brief FindList<BR>
Searching for a Handle in the List
@outline FindList<BR>
Searching for a Handle in the List
@type Completion return type
@param[out] HANDLE_TYPE** p_list : Found list pointer
@param[in] HANDLE h_obj : Handle to look for
@return BOOL
@retval TRUE : Normal (p_list != NULL)
FALSE : Error (p_list == NULL)
*****************************************************************************/
static BOOL FindList(HANDLE_TYPE **p_list, HANDLE h_obj) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
HANDLE_TYPE *p_now = NULL;
BOOL bret = FALSE;
if ((NULL != h_obj) && (NULL != p_list)) {
/* Search list */
p_now = g_pst_handle_kind_table;
while (NULL != p_now) {
/* h_obj and p_now->h_handle are pointer type.*/
if ((int64_t)h_obj == (int64_t)p_now->h_handle) {
*p_list = p_now;
bret = TRUE;
break;
}
p_now = p_now->next;
}
} else {
bret = FALSE; /** Parameter error */
}
return bret;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief AddList<BR>
Append data to the end of the list
@outline AddList<BR>
Append data to the end of the list
@type Completion return type
@param[in] HANDLE_TYPE* p_list : Data to add
@return BOOL
@retval TRUE : Normal
FALSE : Error
*****************************************************************************/
static BOOL AddList(HANDLE_TYPE *p_add_list) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
HANDLE_TYPE *p_now = NULL;
BOOL bret = FALSE;
if (NULL != p_add_list) {
/* Add unregistered data */
if (NULL == g_pst_handle_kind_table) {
g_pst_handle_kind_table = p_add_list;
bret = TRUE;
} else {
/* Add to end of list */
p_now = g_pst_handle_kind_table;
while (NULL != p_now) {
if (NULL == p_now->next) {
p_now->next = p_add_list;
bret = TRUE;
break;
}
p_now = p_now->next;
}
}
} else {
bret = FALSE; /** Parameter error */
}
return bret;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief DelList<BR>
Remove specified data from a List
@outline DelList<BR>
Remove specified data from a List
@type Completion return type
@param[in,out] HANDLE_TYPE* h_del_obj :
@return BOOL
@retval TRUE : Normal
FALSE : End
*****************************************************************************/
static BOOL DelList(HANDLE_TYPE *h_del_obj) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
HANDLE_TYPE *p_now = NULL;
HANDLE_TYPE *pBef = NULL;
BOOL bret = FALSE;
if (NULL != h_del_obj) {
/* Add to end of list */
p_now = g_pst_handle_kind_table;
while (NULL != p_now) {
if (h_del_obj == p_now) {
if (NULL == pBef) {
/* Delete first */
g_pst_handle_kind_table = p_now->next;
} else {
/* Others */
pBef->next = h_del_obj->next;
}
bret = TRUE;
break;
}
pBef = p_now;
p_now = p_now->next;
}
} else {
bret = FALSE; /** Parameter error */
}
return bret;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief FunctionLock<BR>
Start locking of g_pst_handle_kind_table
@outline FunctionLock<BR>
Start locking of g_pst_handle_kind_table
@type Completion return type
@return BOOL
@retval TRUE : Normal
@retval FALSE : Error
*****************************************************************************/
static BOOL FunctionLock(void) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
BOOL bret = FALSE;
if (EOK == pthread_mutex_lock(&g_func_lock_mutex)) {
bret = TRUE;
}
return bret;
}
// LCOV_EXCL_STOP
/****************************************************************************
@brief FunctionUnlock<BR>
Terminate locking of g_pst_handle_kind_table
@outline FunctionUnlock<BR>
Terminate locking of g_pst_handle_kind_table
@type Completion return type
@return BOOL
@retval TRUE : Normal
@retval FALSE : Error
*****************************************************************************/
static BOOL FunctionUnlock(void) { // LCOV_EXCL_START 8:dead code
AGL_ASSERT_NOT_TESTED(); // LCOV_EXCL_LINE 200: test assert
BOOL bret = FALSE;
if (EOK == pthread_mutex_unlock(&g_func_lock_mutex)) {
bret = TRUE;
}
return bret;
}
// LCOV_EXCL_STOP
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