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Diffstat (limited to 'apps/examples/ostest/timedwait.c')
| -rw-r--r-- | apps/examples/ostest/timedwait.c | 195 |
1 files changed, 0 insertions, 195 deletions
diff --git a/apps/examples/ostest/timedwait.c b/apps/examples/ostest/timedwait.c deleted file mode 100644 index 7cf875fb6..000000000 --- a/apps/examples/ostest/timedwait.c +++ /dev/null @@ -1,195 +0,0 @@ -/*********************************************************************** - * examples/ostest/timedwait.c - * - * Copyright (C) 2007, 2008, 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt <gnutt@nuttx.org> - * - * 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 <stdio.h> -#include <time.h> -#include <pthread.h> -#include <unistd.h> -#include <errno.h> - -#include "ostest.h" - -/************************************************************************** - * Private Definitions - **************************************************************************/ - -/************************************************************************** - * Private Data - **************************************************************************/ - -static pthread_mutex_t mutex; -static pthread_cond_t cond; - -/************************************************************************** - * Private Functions - **************************************************************************/ - -static void *thread_waiter(void *parameter) -{ - struct timespec ts; - int status; - - /* Take the mutex */ - - printf("thread_waiter: Taking mutex\n"); - status = pthread_mutex_lock(&mutex); - if (status != 0) - { - printf("thread_waiter: ERROR pthread_mutex_lock failed, status=%d\n", status); - } - - printf("thread_waiter: Starting 5 second wait for condition\n"); - - status = clock_gettime(CLOCK_REALTIME, &ts); - if (status != 0) - { - printf("thread_waiter: ERROR clock_gettime failed\n"); - } - ts.tv_sec += 5; - - /* The wait -- no-one is ever going to awaken us */ - - status = pthread_cond_timedwait(&cond, &mutex, &ts); - if (status != 0) - { - if (status == ETIMEDOUT) - { - printf("thread_waiter: pthread_cond_timedwait timed out\n"); - } - else - { - printf("thread_waiter: ERROR pthread_cond_timedwait failed, status=%d\n", status); - } - } - else - { - printf("thread_waiter: ERROR pthread_cond_timedwait returned without timeout, status=%d\n", status); - } - - /* Release the mutex */ - - printf("thread_waiter: Releasing mutex\n"); - status = pthread_mutex_unlock(&mutex); - if (status != 0) - { - printf("thread_waiter: ERROR pthread_mutex_unlock failed, status=%d\n", status); - } - - printf("thread_waiter: Exit with status 0x12345678\n"); - pthread_exit((pthread_addr_t)0x12345678); - return NULL; -} - -/************************************************************************** - * Public Definitions - **************************************************************************/ - -void timedwait_test(void) -{ - pthread_t waiter; - pthread_attr_t attr; - struct sched_param sparam; - void *result; - int prio_max; - int status; - - /* Initialize the mutex */ - - printf("thread_waiter: Initializing mutex\n"); - status = pthread_mutex_init(&mutex, NULL); - if (status != 0) - { - printf("timedwait_test: ERROR pthread_mutex_init failed, status=%d\n", status); - } - - /* Initialize the condition variable */ - - printf("timedwait_test: Initializing cond\n"); - status = pthread_cond_init(&cond, NULL); - if (status != 0) - { - printf("timedwait_test: ERROR pthread_condinit failed, status=%d\n", status); - } - - /* Start the waiter thread at higher priority */ - - printf("timedwait_test: Starting waiter\n"); - status = pthread_attr_init(&attr); - if (status != 0) - { - printf("timedwait_test: pthread_attr_init failed, status=%d\n", status); - } - - prio_max = sched_get_priority_max(SCHED_FIFO); - status = sched_getparam (getpid(), &sparam); - if (status != 0) - { - printf("timedwait_test: sched_getparam failed\n"); - sparam.sched_priority = PTHREAD_DEFAULT_PRIORITY; - } - - sparam.sched_priority = (prio_max + sparam.sched_priority) / 2; - status = pthread_attr_setschedparam(&attr,&sparam); - if (status != OK) - { - printf("timedwait_test: pthread_attr_setschedparam failed, status=%d\n", status); - } - else - { - printf("timedwait_test: Set thread 2 priority to %d\n", sparam.sched_priority); - } - - status = pthread_create(&waiter, &attr, thread_waiter, NULL); - if (status != 0) - { - printf("timedwait_test: pthread_create failed, status=%d\n", status); - } - - printf("timedwait_test: Joining\n"); - FFLUSH(); - status = pthread_join(waiter, &result); - if (status != 0) - { - printf("timedwait_test: ERROR pthread_join failed, status=%d\n", status); - } - else - { - printf("timedwait_test: waiter exited with result=%p\n", result); - } -} |