/**************************************************************************** * libs/libc/tls/tls_setvalue.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 #include #include #include #include #if CONFIG_TLS_NELEM > 0 /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: tls_set_value * * Description: * Set the TLS element associated with the 'tlsindex' to 'tlsvalue' * * Input Parameters: * tlsindex - Index of TLS data element to set * tlsvalue - The new value of the TLS data element * * Returned Value: * Zero is returned on success, a negated errno value is return on * failure: * * EINVAL - tlsindex is not in range. * ****************************************************************************/ int tls_set_value(int tlsindex, uintptr_t tlsvalue) { FAR struct tls_info_s *info; DEBUGASSERT(tlsindex >= 0 && tlsindex < CONFIG_TLS_NELEM); if (tlsindex >= 0 && tlsindex < CONFIG_TLS_NELEM) { /* Get the TLS info structure from the current threads stack */ info = up_tls_info(); DEBUGASSERT(info != NULL); /* Set the element value int the TLS info. */ info->tl_elem[tlsindex] = tlsvalue; return OK; } return -EINVAL; } #endif /* CONFIG_TLS_NELEM > 0 */ #if CONFIG_TLS_TASK_NELEM > 0 /**************************************************************************** * Name: task_tls_set_value * * Description: * Set the task local storage element associated with the 'tlsindex' to * 'tlsvalue' * * Input Parameters: * tlsindex - Index of task local storage data element to set * tlsvalue - The new value of the task local storage data element * * Returned Value: * Zero is returned on success, a negated errno value is return on * failure: * * EINVAL - tlsindex is not in range. * ****************************************************************************/ int task_tls_set_value(int tlsindex, uintptr_t tlsvalue) { FAR struct task_info_s *info = task_get_info(); if (tlsindex >= 0 && tlsindex < CONFIG_TLS_TASK_NELEM) { info->ta_telem[tlsindex] = tlsvalue; } else { return -ERANGE; } return OK; } #endif