no1wudi commented on a change in pull request #5498:
URL: https://github.com/apache/incubator-nuttx/pull/5498#discussion_r806781547
##########
File path: libs/libc/tls/Kconfig
##########
@@ -54,4 +54,14 @@ config TLS_NELEM
NOTE that the special value of CONFIG_TLS_NELEM disables these
TLS interfaces.
+config TLS_TASK_NELEM
+ int "Number of Task Local Storage elements"
+ default 0
Review comment:
There is a macro guard `#if CONFIG_TLS_TASK_NELEM > 0` for it.
##########
File path: sched/task/task_tls_alloc.c
##########
@@ -0,0 +1,113 @@
+/****************************************************************************
+ * sched/task/task_tls_alloc.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership. The
+ * ASF licenses this file to you 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <sys/types.h>
+#include <unistd.h>
+#include <sched.h>
+#include <errno.h>
+
+#include <nuttx/tls.h>
+#include <nuttx/semaphore.h>
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+#if CONFIG_TLS_TASK_NELEM > 0
+
+static int g_tlsset = 0;
+static sem_t g_tlssem = SEM_INITIALIZER(1);
+static tls_dtor_t g_tlsdtor[CONFIG_TLS_TASK_NELEM];
Review comment:
It's shared by all tasks.
##########
File path: include/nuttx/tls.h
##########
@@ -267,6 +270,13 @@ uintptr_t tls_get_value(int tlsindex);
int tls_set_value(int tlsindex, uintptr_t tlsvalue);
#endif
+#if CONFIG_TLS_TASK_NELEM > 0
+int task_tls_alloc(tls_dtor_t dtor);
+void task_tls_destruct(void);
+int task_tls_set_value(int tlsindex, uintptr_t tlsvalue);
+uintptr_t task_tls_get_value(int tlsindex);
Review comment:
Thanks, I'll add it later
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