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https://github.com/apache/nuttx-apps.git
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87 lines
2.6 KiB
C
87 lines
2.6 KiB
C
/****************************************************************************
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* apps/testing/fs/memfd/memfd_test.c
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <stdio.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define BUFFER_SIZE 8
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#define THREAD_NUM 50
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#define LOOP_NUM 1000
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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static void *func(FAR void *arg)
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{
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void *buf;
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int size = BUFFER_SIZE;
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int i;
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int memfd;
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for (i = 0; i < LOOP_NUM; i++)
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{
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memfd = memfd_create("optee", O_CREAT | O_CLOEXEC);
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ftruncate(memfd, size);
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buf = mmap(NULL, size, PROT_READ | PROT_WRITE, MAP_SHARED, memfd, 0);
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close(memfd);
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*((int *)buf) = 0xdeadbeef;
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usleep(10);
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*((int *)buf) = 0xdeadbeef;
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munmap(buf, size);
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}
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printf("thread %d test pass!\n", pthread_self());
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return NULL;
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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int main(int argc, FAR char *argv[])
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{
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pid_t pid[THREAD_NUM];
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int i;
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for (i = 0; i < THREAD_NUM; i++)
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{
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pthread_create(&pid[i], NULL, func, NULL);
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}
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for (i = 0; i < THREAD_NUM; i++)
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{
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pthread_join(pid[i], NULL);
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}
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return 0;
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}
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