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From: Wanlong Gao <gaowanlong@cn.fujitsu.com>
To: Caspar Zhang <caspar@casparzhang.com>
Cc: ltp-list@lists.sourceforge.net
Subject: Re: [LTP] [PATCH]pthread_join:4-1.c: clean up code
Date: Wed, 28 Mar 2012 14:44:22 +0800	[thread overview]
Message-ID: <4F72B346.5060002@cn.fujitsu.com> (raw)
In-Reply-To: <4F72ACF5.1090101@casparzhang.com>

On 03/28/2012 02:17 PM, Caspar Zhang wrote:

> On 03/28/2012 02:10 PM, lidan wrote:
>> code cleanup for pthread_join/4-1.c
>>
>>
>> Signed-off-by: DAN LI <li.dan@cn.fujitsu.com>
> 
> After applied the package, I use -f option with checkpatch.pl, it still
> shows some warnings:
> 
> $ ckp -f 4-1.c
> WARNING: Avoid line continuations in quoted strings
> #168: FILE: 4-1.c:168:
> +				UNRESOLVED(-1, "An error was expected \
> 
> WARNING: Avoid line continuations in quoted strings
> #178: FILE: 4-1.c:178:
> +				output("Thread has been created \
> 
> WARNING: Avoid line continuations in quoted strings
> #181: FILE: 4-1.c:181:
> +				output("Thread creation failed with the error:\
> 
> WARNING: Avoid line continuations in quoted strings
> #196: FILE: 4-1.c:196:
> +				UNRESOLVED(ret, "Failed to create the \
> 
> WARNING: Avoid line continuations in quoted strings
> #212: FILE: 4-1.c:212:
> +				UNRESOLVED(ret, "Failed to join \
> 
> total: 0 errors, 5 warnings, 245 lines checked
> 
> 4-1.c has style problems, please review.
> 
> If any of these errors are false positives, please report
> them to the maintainer, see CHECKPATCH in MAINTAINERS.
> 
> I'd suggest you do the same when you make code cleanup patches.


yes, to avoid line continuations is the right thing.

Li, please fix as the warnings.

Thanks,
Wanlong Gao

> 
> Thanks,
> Caspar
> 
>> ---
>>  .../conformance/interfaces/pthread_join/4-1.c      |  134 +++++++++-----------
>>  1 files changed, 58 insertions(+), 76 deletions(-)
>>
>> diff --git a/testcases/open_posix_testsuite/conformance/interfaces/pthread_join/4-1.c b/testcases/open_posix_testsuite/conformance/interfaces/pthread_join/4-1.c
>> index baf0992..7ee4870 100644
>> --- a/testcases/open_posix_testsuite/conformance/interfaces/pthread_join/4-1.c
>> +++ b/testcases/open_posix_testsuite/conformance/interfaces/pthread_join/4-1.c
>> @@ -16,7 +16,8 @@
>>  
>>  * This sample test aims to check the following assertion:
>>  *
>> -* If the thread calling pthread_join is canceled, the joined thread remains joinable.
>> +* If the thread calling pthread_join is canceled, the joined thread
>> +* remains joinable.
>>  
>>  * The steps are:
>>  * -> create a thread blocked on a mutex.
>> @@ -31,9 +32,9 @@
>>  /* We are testing conformance to IEEE Std 1003.1, 2003 Edition */
>>  #define _POSIX_C_SOURCE 200112L
>>  
>> -/********************************************************************************************/
>> -/****************************** standard includes *****************************************/
>> -/********************************************************************************************/
>> +/**************************************************************/
>> +/********************** standard includes *********************/
>> +/**************************************************************/
>>  #include <pthread.h>
>>  #include <stdarg.h>
>>  #include <stdio.h>
>> @@ -44,14 +45,15 @@
>>  
>>  #include <errno.h>
>>  
>> -/********************************************************************************************/
>> -/******************************   Test framework   *****************************************/
>> -/********************************************************************************************/
>> +/***************************************************************/
>> +/*********************   Test framework   **********************/
>> +/***************************************************************/
>>  #include "../testfrmw/testfrmw.h"
>>  #include "../testfrmw/testfrmw.c"
>>  /* This header is responsible for defining the following macros:
>>   * UNRESOLVED(ret, descr);
>> - *    where descr is a description of the error and ret is an int (error code for example)
>> + *    where descr is a description of the error and ret is an int
>> + *    (error code for example)
>>   * FAILED(descr);
>>   *    where descr is a short text saying why the test has failed.
>>   * PASSED();
>> @@ -67,16 +69,16 @@
>>   * Those may be used to output information.
>>   */
>>  
>> -/********************************************************************************************/
>> -/********************************** Configuration ******************************************/
>> -/********************************************************************************************/
>> +/***************************************************************/
>> +/************************ Configuration ************************/
>> +/***************************************************************/
>>  #ifndef VERBOSE
>>  #define VERBOSE 1
>>  #endif
>>  
>> -/********************************************************************************************/
>> -/***********************************     Helper     *****************************************/
>> -/********************************************************************************************/
>> +/***************************************************************/
>> +/***********************     Helper     ************************/
>> +/***************************************************************/
>>  #include "../testfrmw/threads_scenarii.c"
>>  /* this file defines:
>>  * scenarii: array of struct __scenario type.
>> @@ -85,14 +87,14 @@
>>  * scenar_fini(): function to call after end of use of the scenarii array.
>>  */
>>  
>> -/********************************************************************************************/
>> -/***********************************    Test case   *****************************************/
>> -/********************************************************************************************/
>> +/***************************************************************/
>> +/***********************    Test case   ************************/
>> +/***************************************************************/
>>  
>>  pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
>>  
>>  /* 1st thread function */
>> -void * threaded (void * arg)
>> +void *threaded(void *arg)
>>  {
>>  	int ret = 0;
>>  
>> @@ -101,22 +103,18 @@ void * threaded (void * arg)
>>  	ret = pthread_mutex_lock(&mtx);
>>  
>>  	if (ret != 0)
>> -	{
>>  		UNRESOLVED(ret, "Failed to lock mutex");
>> -	}
>>  
>>  	ret = pthread_mutex_unlock(&mtx);
>>  
>>  	if (ret != 0)
>> -	{
>>  		UNRESOLVED(ret, "Failed to unlock mutex");
>> -	}
>>  
>>  	return NULL;
>>  }
>>  
>>  /* Canceled thread */
>> -void * joiner_func(void * arg)
>> +void *joiner_func(void *arg)
>>  {
>>  	(void) pthread_join(*(pthread_t *) arg, NULL);
>>  
>> @@ -139,70 +137,64 @@ int main(int argc, char *argv[])
>>  	/* Initialize thread attribute objects */
>>  	scenar_init();
>>  
>> -	for (sc = 0; sc < NSCENAR; sc++)
>> -	{
>> +	for (sc = 0; sc < NSCENAR; sc++) {
>>  #if VERBOSE > 0
>>  		output("-----\n");
>> -		output("Starting test with scenario (%i): %s\n", sc, scenarii[ sc ].descr);
>> +		output("Starting test with scenario (%i): %s\n",
>> +					sc, scenarii[sc].descr);
>>  #endif
>>  
>>  		/* Lock the mutex */
>>  		ret = pthread_mutex_lock(&mtx);
>>  
>>  		if (ret != 0)
>> -		{
>>  			UNRESOLVED(ret, "failed to lock the mutex");
>> -		}
>> -
>> -		ret = pthread_create(&child, &scenarii[ sc ].ta, threaded, NULL);
>>  
>> -		switch (scenarii[ sc ].result)
>> -		{
>> -				case 0:                                       /* Operation was expected to succeed */
>> +		ret = pthread_create(&child, &scenarii[sc].ta, threaded,
>> +									NULL);
>>  
>> -				if (ret != 0)
>> -				{
>> -					UNRESOLVED(ret, "Failed to create this thread");
>> -				}
>> +		switch (scenarii[sc].result) {
>> +		/* Operation was expected to succeed */
>> +		case 0:
>>  
>> -				break;
>> -
>> -				case 1:                                       /* Operation was expected to fail */
>> +			if (ret != 0)
>> +				UNRESOLVED(ret, "Failed to create this thread");
>>  
>> -				if (ret == 0)
>> -				{
>> -					UNRESOLVED(-1, "An error was expected but the thread creation succeeded");
>> -				}
>> +			break;
>> +		/* Operation was expected to fail */
>> +		case 1:
>>  
>> -				break;
>> +			if (ret == 0)
>> +				UNRESOLVED(-1, "An error was expected \
>> +					but the thread creation succeeded");
>>  
>> -				case 2:                                       /* We did not know the expected result */
>> -				default:
>> +			break;
>> +		/* We did not know the expected result */
>> +		case 2:
>> +		default:
>>  #if VERBOSE > 0
>>  
>> -				if (ret == 0)
>> -				{
>> -					output("Thread has been created successfully for this scenario\n");
>> -				}
>> -				else
>> -				{
>> -					output("Thread creation failed with the error: %s\n", strerror(ret));
>> -				}
>> +			if (ret == 0) {
>> +				output("Thread has been created \
>> +					successfully for this scenario\n");
>> +			} else {
>> +				output("Thread creation failed with the error:\
>> +							%s\n", strerror(ret));
>> +			}
>>  
>>  #endif
>>  
>>  		}
>> -
>> -		if (ret == 0)                                       /* The new thread is running */
>> -		{
>> +		/* The new thread is running */
>> +		if (ret == 0) {
>>  
>>  			/* Now create the joiner thread */
>> -			ret = pthread_create(&joiner, NULL, joiner_func, &child);
>> +			ret = pthread_create(&joiner, NULL, joiner_func,
>> +								&child);
>>  
>>  			if (ret != 0)
>> -			{
>> -				UNRESOLVED(ret, "Failed to create the joiner thread");
>> -			}
>> +				UNRESOLVED(ret, "Failed to create the \
>> +								joiner thread");
>>  
>>  			/* Let it enter pthread_join */
>>  			sched_yield();
>> @@ -211,44 +203,34 @@ int main(int argc, char *argv[])
>>  			ret = pthread_cancel(joiner);
>>  
>>  			if (ret != 0)
>> -			{
>>  				UNRESOLVED(ret, "Failed to cancel the thread");
>> -			}
>>  
>>  			/* Join the canceled thread */
>>  			ret = pthread_join(joiner, NULL);
>>  
>>  			if (ret != 0)
>> -			{
>> -				UNRESOLVED(ret, "Failed to join the canceled thread");
>> -			}
>> +				UNRESOLVED(ret, "Failed to join \
>> +							the canceled thread");
>>  
>>  			/* Unblock the child thread */
>>  			ret = pthread_mutex_unlock(&mtx);
>>  
>>  			if (ret != 0)
>> -			{
>>  				UNRESOLVED(ret, "Failed to unlock the mutex");
>> -			}
>>  
>>  			/* Check the first thread is still joinable */
>>  			ret = pthread_join(child, NULL);
>>  
>> -			if (ret != 0)
>> -			{
>> +			if (ret != 0) {
>>  				output("Error returned: %d\n");
>>  				FAILED("The thread is no more joinable");
>>  			}
>>  
>> -		}
>> -		else
>> -		{
>> +		} else {
>>  			ret = pthread_mutex_unlock(&mtx);
>>  
>>  			if (ret != 0)
>> -			{
>>  				UNRESOLVED(ret, "Failed to unlock the mutex");
>> -			}
>>  		}
>>  	}
>>  
> 
> 
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  reply	other threads:[~2012-03-28  6:45 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-28  6:10 [LTP] [PATCH]pthread_join:4-1.c: clean up code lidan
2012-03-28  6:17 ` Caspar Zhang
2012-03-28  6:44   ` Wanlong Gao [this message]
2012-03-28  7:31   ` [LTP] [PATCHv2]pthread_join:4-1.c: " lidan
2012-03-28  7:39     ` Wanlong Gao
2012-03-29  6:07     ` Caspar Zhang
2012-03-29  9:56       ` Wanlong Gao

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