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/*
* Copyright (C) 2015 - 2018, IBEROXARXA SERVICIOS INTEGRALES, S.L.
* Copyright (C) 2015 - 2018, Jaume Olivé Petrus (jolive@whitecatboard.org)
*
* 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 <organization> nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
* * The WHITECAT logotype cannot be changed, you can remove it, but you
* cannot change it in any way. The WHITECAT logotype is:
*
* /\ /\
* / \_____/ \
* /_____________\
* W H I T E C A T
*
* * Redistributions in binary form must retain all copyright notices printed
* to any local or remote output device. This include any reference to
* Lua RTOS, whitecatboard.org, Lua, and other copyright notices that may
* appear in the future.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> 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.
*
* Lua RTOS pthread implementation for FreeRTOS
*
*/
#include "_pthread.h"
#include <stdlib.h>
extern struct list key_list;
int pthread_key_create(pthread_key_t *k, void (*destructor)(void*)) {
struct pthread_key *key;
int res;
// Allocate space for the key
key = (struct pthread_key *)malloc(sizeof(struct pthread_key));
if (!key) {
return ENOMEM;
}
// Init key
key->destructor = destructor;
lstinit(&key->specific, 1, LIST_DEFAULT);
// Add key to key list
res = lstadd(&key_list, (void *)key, (int*)k);
if (res) {
free(key);
return res;
}
return 0;
}
int pthread_setspecific(pthread_key_t k, const void *value) {
struct pthread_key_specific *specific;
struct pthread_key *key;
pthread_t thread;
int res;
int index;
// Get key
res = lstget(&key_list, k, (void **)&key);
if (res) {
return res;
}
if (value) {
// Allocate space for specific
specific = (struct pthread_key_specific *)malloc(sizeof(struct pthread_key_specific));
if (!specific) {
return ENOMEM;
}
specific->thread = pthread_self();
specific->value = value;
lstadd(&key->specific, (void **)specific, &index);
} else {
thread = pthread_self();
index = lstfirst(&key->specific);
while (index >= 0) {
lstget(&key->specific, index, (void **)&specific);
if (specific->thread == thread) {
lstremove(&key->specific, k, 1);
break;
}
index = lstnext(&key->specific, index);
}
}
return 0;
}
void *pthread_getspecific(pthread_key_t k) {
struct pthread_key_specific *specific;
struct pthread_key *key;
pthread_t thread;
int res;
int index;
// Get key
res = lstget(&key_list, k, (void **)&key);
if (res) {
return NULL;
}
// Get specific value
thread = pthread_self();
index = lstfirst(&key->specific);
while (index >= 0) {
lstget(&key->specific, index, (void **)&specific);
if (specific->thread == thread) {
return (void *)specific->value;
}
index = lstnext(&key->specific, index);
}
return NULL;
}
int pthread_key_delete(pthread_key_t k) {
struct pthread_key *key;
int res;
// Get key
res = lstget(&key_list, k, (void **)&key);
if (res) {
return res;
}
lstremove(&key_list, k, 1);
return 0;
}
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