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-rw-r--r--apps/examples/ostest/cancel.c333
1 files changed, 0 insertions, 333 deletions
diff --git a/apps/examples/ostest/cancel.c b/apps/examples/ostest/cancel.c
deleted file mode 100644
index 11981d819..000000000
--- a/apps/examples/ostest/cancel.c
+++ /dev/null
@@ -1,333 +0,0 @@
-/***********************************************************************
- * examples/ostest/cancel.c
- *
- * Copyright (C) 2007-2009 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.
- *
- ***********************************************************************/
-
-#include <stdio.h>
-#include <time.h>
-#include <pthread.h>
-#include <errno.h>
-#include "ostest.h"
-
-static pthread_mutex_t mutex;
-static pthread_cond_t cond;
-
-static void *thread_waiter(void *parameter)
-{
- 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 wait for condition\n");
-
- /* Are we a non-cancelable thread? Yes, set the non-cancelable state */
-
- if (!parameter)
- {
- printf("thread_waiter: Setting non-cancelable\n");
- status = pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL);
- if (status != 0)
- {
- printf("thread_waiter: ERROR pthread_setcancelstate failed, status=%d\n", status);
- }
- }
-
- /* The wait -- we will never awaken from this. */
-
- status = pthread_cond_wait(&cond, &mutex);
- if (status != 0)
- {
- printf("thread_waiter: ERROR pthread_cond_wait failed, 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);
- }
-
- /* Set the cancelable state */
-
- printf("thread_waiter: Setting cancelable\n");
- status = pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
- if (status != 0)
- {
- printf("thread_waiter: ERROR pthread_setcancelstate failed, status=%d\n", status);
- }
-
- printf("thread_waiter: Exit with status 0x12345678\n");
- pthread_exit((pthread_addr_t)0x12345678);
- return NULL;
-}
-
-static void start_thread(pthread_t *waiter, int cancelable)
-{
- pthread_attr_t attr;
- int status;
-
- /* Initialize the mutex */
-
- printf("start_thread: Initializing mutex\n");
- status = pthread_mutex_init(&mutex, NULL);
- if (status != 0)
- {
- printf("start_thread: ERROR pthread_mutex_init failed, status=%d\n", status);
- }
-
- /* Initialize the condition variable */
-
- printf("start_thread: Initializing cond\n");
- status = pthread_cond_init(&cond, NULL);
- if (status != 0)
- {
- printf("start_thread: ERROR pthread_cond_init failed, status=%d\n", status);
- }
-
- /* Set up attributes */
-
- status = pthread_attr_init(&attr);
- if (status != 0)
- {
- printf("start_thread: pthread_attr_init failed, status=%d\n", status);
- }
-
- status = pthread_attr_setstacksize(&attr, STACKSIZE);
- if (status != 0)
- {
- printf("start_thread: pthread_attr_setstacksize failed, status=%d\n", status);
- }
-
- /* Start the waiter thread */
-
- printf("start_thread: Starting thread\n");
- status = pthread_create(waiter, &attr, thread_waiter, (pthread_addr_t)cancelable);
- if (status != 0)
- {
- printf("start_thread: ERROR pthread_create failed, status=%d\n", status);
- }
-
- /* Make sure that the waiter thread gets a chance to run */
-
- printf("start_thread: Yielding\n");
- pthread_yield();
-}
-
-static void restart_thread(pthread_t *waiter, int cancelable)
-{
- int status;
-
- /* Destroy the condition variable */
-
- printf("restart_thread: Destroying cond\n");
- status = pthread_cond_destroy(&cond);
- if (status != 0)
- {
- printf("restart_thread: ERROR pthread_cond_destroy failed, status=%d\n", status);
- }
-
- /* Destroy the mutex */
-
- printf("restart_thread: Destroying mutex\n");
- status = pthread_cond_destroy(&cond);
- if (status != 0)
- {
- printf("restart_thread: ERROR pthread_mutex_destroy failed, status=%d\n", status);
- }
-
- /* Then restart the thread */
-
- printf("restart_thread: Re-starting thread\n");
- start_thread(waiter, cancelable);
-}
-
-void cancel_test(void)
-{
- pthread_t waiter;
- void *result;
- int status;
-
- /* Test 1: Normal Cancel *********************************************/
- /* Start the waiter thread */
-
- printf("cancel_test: Test 1: Normal Cancelation\n");
- printf("cancel_test: Starting thread\n");
- start_thread(&waiter, 1);
-
- /* Then cancel it. It should be in the pthread_cond_wait now */
-
- printf("cancel_test: Canceling thread\n");
- status = pthread_cancel(waiter);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_cancel failed, status=%d\n", status);
- }
-
- /* Then join to the thread to pick up the result (if we don't do
- * we will have a memory leak!)
- */
-
- printf("cancel_test: Joining\n");
- status = pthread_join(waiter, &result);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_join failed, status=%d\n", status);
- }
- else
- {
- printf("cancel_test: waiter exited with result=%p\n", result);
- if (result != PTHREAD_CANCELED)
- {
- printf("cancel_test: ERROR expected result=%p\n", PTHREAD_CANCELED);
- }
- else
- {
- printf("cancel_test: PASS thread terminated with PTHREAD_CANCELED\n");
- }
- }
-
- /* Test 2: Cancel Detached Thread ************************************/
-
- printf("cancel_test: Test 2: Cancelation of detached thread\n");
- printf("cancel_test: Re-starting thread\n");
- restart_thread(&waiter, 1);
-
- /* Detach the thread */
-
- status = pthread_detach(waiter);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_detach, status=%d\n", status);
- }
-
- /* Then cancel it. It should be in the pthread_cond_wait now */
-
- printf("cancel_test: Canceling thread\n");
- status = pthread_cancel(waiter);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_cancel failed, status=%d\n", status);
- }
-
- /* Join should now fail */
-
- printf("cancel_test: Joining\n");
- status = pthread_join(waiter, &result);
- if (status == 0)
- {
- printf("cancel_test: ERROR pthread_join succeeded\n");
- }
- else if (status != ESRCH)
- {
- printf("cancel_test: ERROR pthread_join failed but with wrong status=%d\n", status);
- }
- else
- {
- printf("cancel_test: PASS pthread_join failed with status=ESRCH\n");
- }
-
- /* Test 3: Non-cancelable threads ************************************/
-
- printf("cancel_test: Test 3: Non-cancelable threads\n");
- printf("cancel_test: Re-starting thread (non-cancelable)\n");
- restart_thread(&waiter, 0);
-
- /* Then cancel it. It should be in the pthread_cond_wait now. The
- * behavior here is non-standard: when the thread is at a cancelation
- * point, it should be cancelable, even when cancelation is disable.
- *
- * The cancelation should succeed, because the cancelation is pending.
- */
-
- printf("cancel_test: Canceling thread\n");
- status = pthread_cancel(waiter);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_cancel failed, status=%d\n", status);
- }
-
- /* Signal the thread. It should wake up and restore the cancelable state.
- * When the cancelable state is re-enabled, the thread should be canceled.
- */
-
- status = pthread_mutex_lock(&mutex);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_mutex_lock failed, status=%d\n", status);
- }
-
- status = pthread_cond_signal(&cond);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_cond_signal failed, status=%d\n", status);
- }
-
- status = pthread_mutex_unlock(&mutex);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_mutex_unlock failed, status=%d\n", status);
- }
-
- /* Then join to the thread to pick up the result (if we don't do
- * we will have a memory leak!)
- */
-
- printf("cancel_test: Joining\n");
- status = pthread_join(waiter, &result);
- if (status != 0)
- {
- printf("cancel_test: ERROR pthread_join failed, status=%d\n", status);
- }
- else
- {
- printf("cancel_test: waiter exited with result=%p\n", result);
- if (result != PTHREAD_CANCELED)
- {
- printf("cancel_test: ERROR expected result=%p\n", PTHREAD_CANCELED);
- }
- else
- {
- printf("cancel_test: PASS thread terminated with PTHREAD_CANCELED\n");
- }
- }
-
-}
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