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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-06-05 01:58:08 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2008-06-05 01:58:08 +0000 |
commit | 92c9dcbe893d620a6dc74b624edffd46c26316f3 (patch) | |
tree | 7558babe2223b7b7c2fb05d28ed4f13d2681a4d1 /nuttx/examples | |
parent | 1537061e4e8d2d77fd03e0efe6338c29756b4901 (diff) | |
download | px4-nuttx-92c9dcbe893d620a6dc74b624edffd46c26316f3.tar.gz px4-nuttx-92c9dcbe893d620a6dc74b624edffd46c26316f3.tar.bz2 px4-nuttx-92c9dcbe893d620a6dc74b624edffd46c26316f3.zip |
Add recursive mutex test
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@771 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/examples')
-rw-r--r-- | nuttx/examples/ostest/Makefile | 3 | ||||
-rw-r--r-- | nuttx/examples/ostest/main.c | 8 | ||||
-rw-r--r-- | nuttx/examples/ostest/ostest.h | 62 | ||||
-rw-r--r-- | nuttx/examples/ostest/rmutex.c | 166 |
4 files changed, 210 insertions, 29 deletions
diff --git a/nuttx/examples/ostest/Makefile b/nuttx/examples/ostest/Makefile index 05f76f92f..3eeda4f08 100644 --- a/nuttx/examples/ostest/Makefile +++ b/nuttx/examples/ostest/Makefile @@ -41,6 +41,9 @@ AOBJS = $(ASRCS:.S=$(OBJEXT)) CSRCS = main.c dev_null.c ifneq ($(CONFIG_DISABLE_PTHREAD),y) CSRCS += cancel.c cond.c mutex.c sem.c roundrobin.c barrier.c +ifeq ($(CONFIG_MUTEX_TYPES),y) +CSRCS += rmutex.c +endif endif ifneq ($(CONFIG_DISABLE_SIGNALS),y) CSRCS += sighand.c diff --git a/nuttx/examples/ostest/main.c b/nuttx/examples/ostest/main.c index 0f34eea23..bb12b49ce 100644 --- a/nuttx/examples/ostest/main.c +++ b/nuttx/examples/ostest/main.c @@ -313,6 +313,14 @@ static int user_main(int argc, char *argv[]) check_test_memory_usage(); #endif +#if !defined(CONFIG_DISABLE_PTHREAD) && defined(CONFIG_MUTEX_TYPES) + /* Verify recursive mutexes */ + + printf("\nuser_main: recursive mutex test\n"); + recursive_mutex_test(); + check_test_memory_usage(); +#endif + #ifndef CONFIG_DISABLE_PTHREAD /* Verify pthread cancellation */ diff --git a/nuttx/examples/ostest/ostest.h b/nuttx/examples/ostest/ostest.h index dd1fbf00e..08396b3ff 100644 --- a/nuttx/examples/ostest/ostest.h +++ b/nuttx/examples/ostest/ostest.h @@ -1,7 +1,7 @@ -/************************************************************ - * ostest.h +/**************************************************************************** + * examples/ostest/ostest.h * - * Copyright (C) 2007 Gregory Nutt. All rights reserved. + * Copyright (C) 2007, 2008 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -14,7 +14,7 @@ * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. - * 3. Neither the name Gregory Nutt nor the names of its contributors may be + * 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. * @@ -31,80 +31,84 @@ * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * - ************************************************************/ + ****************************************************************************/ #ifndef __OSTEST_H #define __OSTEST_H -/************************************************************ +/**************************************************************************** * Compilation Switches - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Included Files - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Definitions - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Public Types - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Public Variables - ************************************************************/ + ****************************************************************************/ -/************************************************************ +/**************************************************************************** * Public Function Prototypes - ************************************************************/ + ****************************************************************************/ -/* dev_null.c ***********************************************/ +/* dev_null.c ***************************************************************/ extern int dev_null(void); -/* mutex.c **************************************************/ +/* mutex.c ******************************************************************/ extern void mutex_test(void); -/* sem.c ****************************************************/ +/* rmutex.c ******************************************************************/ + +extern void recursive_mutex_test(void); + +/* sem.c ********************************************************************/ extern void sem_test(void); -/* cond.c ***************************************************/ +/* cond.c *******************************************************************/ extern void cond_test(void); -/* mqueue.c *************************************************/ +/* mqueue.c *****************************************************************/ extern void mqueue_test(void); -/* timedmqueue.c ********************************************/ +/* timedmqueue.c ************************************************************/ extern void timedmqueue_test(void); -/* cancel.c *************************************************/ +/* cancel.c *****************************************************************/ extern void cancel_test(void); -/* timedwait.c **********************************************/ +/* timedwait.c **************************************************************/ extern void timedwait_test(void); -/* sighand.c ************************************************/ +/* sighand.c ****************************************************************/ extern void sighand_test(void); -/* posixtimers.c ********************************************/ +/* posixtimers.c ************************************************************/ extern void timer_test(void); -/* roundrobin.c *********************************************/ +/* roundrobin.c *************************************************************/ extern void rr_test(void); -/* barrier.c ************************************************/ +/* barrier.c ****************************************************************/ extern void barrier_test(void); diff --git a/nuttx/examples/ostest/rmutex.c b/nuttx/examples/ostest/rmutex.c new file mode 100644 index 000000000..44eb4bb3b --- /dev/null +++ b/nuttx/examples/ostest/rmutex.c @@ -0,0 +1,166 @@ +/*********************************************************************** + * rmutex.c + * + * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <spudmonkey@racsa.co.cr> + * + * 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 <pthread.h> +#include "ostest.h" + +#ifndef NULL +# define NULL (void*)0 +#endif + +#define NTHREADS 3 +#define NLOOPS 3 +#define NRECURSIONS 3 + +static pthread_mutex_t mut; + +static void thread_inner(int id, int level) +{ + int status; + if (level < NRECURSIONS) + { + /* Take the mutex */ + + printf("thread_inner[%d, %d]: Locking\n", id, level); + status = pthread_mutex_lock(&mut); + if (status != 0) + { + printf("thread_inner[%d, %d]: ERROR pthread_mutex_lock failed: %d\n", + id, level, status); + } + printf("thread_inner[%d, %d]: Locked\n", id, level); + + /* Give the other threads a chance */ + + pthread_yield(); + thread_inner(id, level+1); + pthread_yield(); + + /* Unlock the mutex */ + + printf("thread_inner[%d, %d]: Unlocking\n", id, level); + status = pthread_mutex_unlock(&mut); + if (status != 0) + { + printf("thread_inner[%d, %d]: ERROR pthread_mutex_unlock failed: %d\n", + id, level, status); + } + printf("thread_inner[%d, %d]: Unlocked\n", id, level); + pthread_yield(); + } +} + +static void *thread_outer(void *parameter) +{ + int i; + printf("thread_outer[%d]: Started\n", (int)parameter); + for (i = 0; i < NLOOPS; i++) + { + printf("thread_outer[%d]: Loop %d\n", (int)parameter, i); + thread_inner((int)parameter, 0); + } + printf("thread_outer[%d]: Exitting\n", (int)parameter); + pthread_exit(NULL); + return NULL; /* Non-reachable -- needed for some compilers */ +} + +void recursive_mutex_test(void) +{ + pthread_t thread[NTHREADS]; +#ifdef SDCC + pthread_addr_t result[NTHREADS]; + pthread_attr_t attr; +#endif + pthread_mutexattr_t mattr; + int type; + int status; + int i; + + /* Initialize the mutex attributes */ + + pthread_mutexattr_init(&mattr); + status = pthread_mutexattr_settype(&mattr, PTHREAD_MUTEX_RECURSIVE); + if (status != 0) + { + printf("recursive_mutex_test: ERROR pthread_mutexattr_settype failed, status=%d\n", status); + } + + status = pthread_mutexattr_gettype(&mattr, &type); + if (status != 0) + { + printf("recursive_mutex_test: ERROR pthread_mutexattr_gettype failed, status=%d\n", status); + } + if (type != PTHREAD_MUTEX_RECURSIVE) + { + printf("recursive_mutex_test: ERROR pthread_mutexattr_gettype return type=%d\n", type); + } + + /* Initialize the mutex */ + + printf("recursive_mutex_test: Initializing mutex\n"); + pthread_mutex_init(&mut, &mattr); + + /* Start the threads -- all at the same, default priority */ + + for (i = 0; i < NTHREADS; i++) + { + printf("recursive_mutex_test: Starting thread %d\n", i+1); +#ifdef SDCC + (void)pthread_attr_init(&attr); + status = pthread_create(&thread[i], &attr, thread_outer, (pthread_addr_t)i+1); +#else + status = pthread_create(&thread[i], NULL, thread_outer, (pthread_addr_t)i+1); +#endif + if (status != 0) + { + printf("recursive_mutex_test: ERRROR thread#%d creation: %d\n", i+1, status); + } + } + + /* Wait for all; of the threads to complete */ + + for (i = 0; i < NTHREADS; i++) + { + printf("recursive_mutex_test: Waiting for thread %d\n", i+1); +#ifdef SDCC + pthread_join(thread[i], &result1); +#else + pthread_join(thread[i], NULL); +#endif + } + + printf("recursive_mutex_test: Complete\n"); +} |