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Commit 878f968e authored by Sasha Levin's avatar Sasha Levin Committed by Ingo Molnar
Browse files

liblockdep: Add pthread_mutex_t test suite 



This is a rather simple and basic test suite to test common
locking issues.

Beyond tests, it also shows how to use the library.

Signed-off-by: default avatarSasha Levin <sasha.levin@oracle.com>
Signed-off-by: default avatarPeter Zijlstra <peterz@infradead.org>
Cc: torvalds@linux-foundation.org
Link: http://lkml.kernel.org/r/1371163284-6346-5-git-send-email-sasha.levin@oracle.com


Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
parent 45e62074

tools/lib/lockdep/run_tests.sh

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#! /bin/bash



make &> /dev/null



for i in `ls tests/*.c`; do

	testname=$(basename -s .c "$i")

	gcc -o tests/$testname -pthread -lpthread $i liblockdep.a -Iinclude -D__USE_LIBLOCKDEP &> /dev/null

	echo -ne "$testname... "

	if [ $(timeout 1 ./tests/$testname | wc -l) -gt 0 ]; then

		echo "PASSED!"

	else

		echo "FAILED!"

	fi

	rm tests/$testname

done



for i in `ls tests/*.c`; do

	testname=$(basename -s .c "$i")

	gcc -o tests/$testname -pthread -lpthread -Iinclude $i &> /dev/null

	echo -ne "(PRELOAD) $testname... "

	if [ $(timeout 1 ./lockdep ./tests/$testname | wc -l) -gt 0 ]; then

		echo "PASSED!"

	else

		echo "FAILED!"

	fi

	rm tests/$testname

done

tools/lib/lockdep/tests/AA.c

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#include <liblockdep/mutex.h>



void main(void)

{

	pthread_mutex_t a, b;



	pthread_mutex_init(&a, NULL);

	pthread_mutex_init(&b, NULL);



	pthread_mutex_lock(&a);

	pthread_mutex_lock(&b);

	pthread_mutex_lock(&a);

}

tools/lib/lockdep/tests/ABBA.c

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#include <liblockdep/mutex.h>

#include "common.h"



void main(void)

{

	pthread_mutex_t a, b;



	pthread_mutex_init(&a, NULL);

	pthread_mutex_init(&b, NULL);



	LOCK_UNLOCK_2(a, b);

	LOCK_UNLOCK_2(b, a);

}

tools/lib/lockdep/tests/ABBCCA.c

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#include <liblockdep/mutex.h>

#include "common.h"



void main(void)

{

	pthread_mutex_t a, b, c;



	pthread_mutex_init(&a, NULL);

	pthread_mutex_init(&b, NULL);

	pthread_mutex_init(&c, NULL);



	LOCK_UNLOCK_2(a, b);

	LOCK_UNLOCK_2(b, c);

	LOCK_UNLOCK_2(c, a);

}

tools/lib/lockdep/tests/ABBCCDDA.c

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#include <liblockdep/mutex.h>

#include "common.h"



void main(void)

{

	pthread_mutex_t a, b, c, d;



	pthread_mutex_init(&a, NULL);

	pthread_mutex_init(&b, NULL);

	pthread_mutex_init(&c, NULL);

	pthread_mutex_init(&d, NULL);



	LOCK_UNLOCK_2(a, b);

	LOCK_UNLOCK_2(b, c);

	LOCK_UNLOCK_2(c, d);

	LOCK_UNLOCK_2(d, a);

}