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zdtm: Drop mutex from pthread00 test

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The tls_data is used for read-cycles only thus
there is no need for mutex since this area get
filled earlier than fork() issued.

Same time on restore the tls filled before the
program restarts.

Signed-off-by: Cyrill Gorcunov <gorcunov@openvz.org>
Acked-by: Andrew Vagin <avagin@parallels.com>
Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
This commit is contained in:
Cyrill Gorcunov
2012-11-27 19:31:53 +04:00
committed by Pavel Emelyanov
parent 593c8d1048
commit 78e9c40a04
1 changed files with 0 additions and 13 deletions
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13
test/zdtm/live/static/pthread00.c
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@@ -22,7 +22,6 @@
const char *test_doc = "Create a few pthreads/forks and compare TLS and mmap data on restore\n"; const char *test_doc = "Create a few pthreads/forks and compare TLS and mmap data on restore\n";
const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org"; const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org";
static pthread_mutex_t mtx = PTHREAD_MUTEX_INITIALIZER;
static __thread char tls_data[10]; static __thread char tls_data[10];
#define TRANSITION_CREATED 1 #define TRANSITION_CREATED 1
@@ -57,10 +56,8 @@ static void *ff1(void *map)
SET_CREATED(map, 4); SET_CREATED(map, 4);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 4)) { if (IS_STARTED(map, 4)) {
SET_FAILED(map, 4); SET_FAILED(map, 4);
@@ -79,10 +76,8 @@ static void *ff1(void *map)
SET_CREATED(map, 5); SET_CREATED(map, 5);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 5)) if (IS_STARTED(map, 5))
SET_FAILED(map, 5); SET_FAILED(map, 5);
@@ -120,10 +115,8 @@ static void *f1(void *map)
SET_CREATED(map, 2); SET_CREATED(map, 2);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 2)) { if (IS_STARTED(map, 2)) {
SET_FAILED(map, 2); SET_FAILED(map, 2);
@@ -142,10 +135,8 @@ static void *f1(void *map)
SET_CREATED(map, 3); SET_CREATED(map, 3);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 3)) if (IS_STARTED(map, 3))
SET_FAILED(map, 3); SET_FAILED(map, 3);
@@ -180,10 +171,8 @@ static void *f2(void *map)
SET_CREATED(map, 0); SET_CREATED(map, 0);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 0)) { if (IS_STARTED(map, 0)) {
SET_FAILED(map, 0); SET_FAILED(map, 0);
@@ -202,10 +191,8 @@ static void *f2(void *map)
SET_CREATED(map, 1); SET_CREATED(map, 1);
while (1) { while (1) {
int ret = 0; int ret = 0;
pthread_mutex_lock(&mtx);
if (memcmp(tls_data, __tls_data, sizeof(tls_data))) if (memcmp(tls_data, __tls_data, sizeof(tls_data)))
ret = 1; ret = 1;
pthread_mutex_unlock(&mtx);
if (ret) { if (ret) {
if (IS_STARTED(map, 1)) if (IS_STARTED(map, 1))
SET_FAILED(map, 1); SET_FAILED(map, 1);