diff --git a/libc/pthread/pthread_attrgetaffinity.c b/libc/pthread/pthread_attrgetaffinity.c new file mode 100644 index 0000000000..f77d267cac --- /dev/null +++ b/libc/pthread/pthread_attrgetaffinity.c @@ -0,0 +1,74 @@ +/**************************************************************************** + * libc/pthread/pthread_attrgetaffinity.c + * + * Copyright (C) 2016 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include +#include +#include +#include + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Function: pthread_attr_getaffinity + * + * Description: + * + * Parameters: + * attr + * cpuset + * + * Return Value: + * 0 if successful. Otherwise, an error code. + * + * Assumptions: + * + ****************************************************************************/ + +int pthread_attr_getaffinity_np(FAR const pthread_attr_t *attr, + size_t cpusetsize, cpu_set_t *cpuset) +{ + sdbg("attr=0x%p cpusetsize=%d cpuset=0x%p\n", attr, (int)cpusetsize, cpuset); + + DEBUGASSERT(attr != NULL && cpusetsize == sizeof(cpu_set_t) && cpuset != NULL); + + *cpuset = attr->affinity; + return OK; +} diff --git a/libc/pthread/pthread_attrsetaffinity.c b/libc/pthread/pthread_attrsetaffinity.c new file mode 100644 index 0000000000..200711dea1 --- /dev/null +++ b/libc/pthread/pthread_attrsetaffinity.c @@ -0,0 +1,77 @@ +/**************************************************************************** + * libc/pthread/pthread_attrsetaffinity.c + * + * Copyright (C) 2016 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. 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. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * 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 THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include +#include + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Function: pthread_attr_setaffinity + * + * Description: + * + * Parameters: + * attr + * stacksize + * + * Return Value: + * 0 if successful. Otherwise, an error code. + * + * Assumptions: + * + ****************************************************************************/ + +int pthread_attr_setaffinity_np(FAR pthread_attr_t *attr, + size_t cpusetsize, + FAR const cpu_set_t *cpuset) +{ + sdbg("attr=0x%p cpusetsize=%d cpuset=0x%p\n", attr, (int)cpusetsize, cpuset); + + DEBUGASSERT(attr != NULL && cpusetsize == sizeof(cpu_set_t) && + cpuset != NULL && *cpuset != 0); + + attr->affinity = *cpuset; + return OK; +}