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Commit 90d76a50 authored by Mark Michelson's avatar Mark Michelson
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Make thread state waiting a little less ugly and not possible to lock up.


git-svn-id: https://origsvn.digium.com/svn/asterisk/team/mmichelson/threadpool@377686 65c4cc65-6c06-0410-ace0-fbb531ad65f3
parent 66c60e55
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......@@ -137,14 +137,31 @@ static int simple_task(void *data)
return 0;
}
#define WAIT_WHILE(tld, condition) \
{\
ast_mutex_lock(&tld->lock);\
while ((condition)) {\
ast_cond_wait(&tld->cond, &tld->lock);\
}\
ast_mutex_unlock(&tld->lock);\
}\
static enum ast_test_result_state wait_until_thread_state(struct ast_test *test, struct test_listener_data *tld, int num_active, int num_idle)
{
struct timeval start = ast_tvnow();
struct timespec end = {
.tv_sec = start.tv_sec + 5,
.tv_nsec = start.tv_usec * 1000
};
enum ast_test_result_state res = AST_TEST_PASS;
SCOPED_MUTEX(lock, &tld->lock);
while (!(tld->num_active == num_active && tld->num_idle == num_idle)) {
if (ast_cond_timedwait(&tld->cond, &tld->lock, &end) == ETIMEDOUT) {
break;
}
}
if (tld->num_active != num_active && tld->num_idle != num_idle) {
ast_test_status_update(test, "Number of active threads and idle threads not what was expected.\n");
ast_test_status_update(test, "Expected %d active threads but got %d\n", num_active, tld->num_active);
ast_test_status_update(test, "Expected %d idle threads but got %d\n", num_idle, tld->num_idle);
res = AST_TEST_FAIL;
}
return res;
}
static void wait_for_task_pushed(struct ast_threadpool_listener *listener)
{
......@@ -349,9 +366,7 @@ AST_TEST_DEFINE(threadpool_thread_creation)
*/
ast_threadpool_set_size(pool, 1);
WAIT_WHILE(tld, tld->num_idle == 0);
res = listener_check(test, listener, 0, 0, 0, 0, 1, 0);
res = wait_until_thread_state(test, tld, 0, 1);
end:
if (pool) {
......@@ -397,7 +412,10 @@ AST_TEST_DEFINE(threadpool_thread_destruction)
ast_threadpool_set_size(pool, 3);
WAIT_WHILE(tld, tld->num_idle < 3);
res = wait_until_thread_state(test, tld, 0, 3);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 0, 0, 0, 0, 3, 0);
if (res == AST_TEST_FAIL) {
......@@ -406,9 +424,7 @@ AST_TEST_DEFINE(threadpool_thread_destruction)
ast_threadpool_set_size(pool, 2);
WAIT_WHILE(tld, tld->num_idle > 2);
res = listener_check(test, listener, 0, 0, 0, 0, 2, 0);
res = wait_until_thread_state(test, tld, 0, 2);
end:
if (pool) {
......@@ -426,7 +442,7 @@ AST_TEST_DEFINE(threadpool_thread_timeout)
struct test_listener_data *tld;
struct ast_threadpool_options options = {
.version = AST_THREADPOOL_OPTIONS_VERSION,
.idle_timeout = 5,
.idle_timeout = 2,
};
switch (cmd) {
......@@ -435,7 +451,7 @@ AST_TEST_DEFINE(threadpool_thread_timeout)
info->category = "/main/threadpool/";
info->summary = "Test threadpool thread timeout";
info->description =
"Ensure that a thread with a five second timeout dies as expected.";
"Ensure that a thread with a two second timeout dies as expected.";
return AST_TEST_NOT_RUN;
case TEST_EXECUTE:
break;
......@@ -454,15 +470,20 @@ AST_TEST_DEFINE(threadpool_thread_timeout)
ast_threadpool_set_size(pool, 1);
WAIT_WHILE(tld, tld->num_idle < 1);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 0, 0, 0, 0, 1, 0);
if (res == AST_TEST_FAIL) {
goto end;
}
/* The thread should time out after 5 seconds */
WAIT_WHILE(tld, tld->num_idle > 0);
res = wait_until_thread_state(test, tld, 0, 0);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 0, 0, 0, 0, 0, 0);
......@@ -533,7 +554,10 @@ AST_TEST_DEFINE(threadpool_one_task_one_thread)
}
/* After completing the task, the thread should go idle */
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 1, 1, 0, 1, 1);
......@@ -589,7 +613,10 @@ AST_TEST_DEFINE(threadpool_one_thread_one_task)
ast_threadpool_set_size(pool, 1);
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
ast_threadpool_push(pool, simple_task, std);
......@@ -604,7 +631,10 @@ AST_TEST_DEFINE(threadpool_one_thread_one_task)
}
/* After completing the task, the thread should go idle */
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 1, 1, 0, 1, 1);
......@@ -664,7 +694,10 @@ AST_TEST_DEFINE(threadpool_one_thread_multiple_tasks)
ast_threadpool_set_size(pool, 1);
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
ast_threadpool_push(pool, simple_task, std1);
ast_threadpool_push(pool, simple_task, std2);
......@@ -688,7 +721,10 @@ AST_TEST_DEFINE(threadpool_one_thread_multiple_tasks)
goto end;
}
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 3, 0, 1, 1);
......@@ -762,9 +798,15 @@ AST_TEST_DEFINE(threadpool_reactivation)
goto end;
}
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 1, 1, 0, 1, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
/* Now make sure the threadpool reactivates when we add a second task */
ast_threadpool_push(pool, simple_task, std2);
......@@ -779,7 +821,10 @@ AST_TEST_DEFINE(threadpool_reactivation)
goto end;
}
WAIT_WHILE(tld, tld->num_idle == 0);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 1, 2, 0, 1, 1);
......@@ -905,7 +950,10 @@ AST_TEST_DEFINE(threadpool_task_distribution)
ast_threadpool_set_size(pool, 2);
WAIT_WHILE(tld, tld->num_active < 2);
res = wait_until_thread_state(test, tld, 2, 0);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 2, 2, 0, 0);
if (res == AST_TEST_FAIL) {
......@@ -925,7 +973,10 @@ AST_TEST_DEFINE(threadpool_task_distribution)
goto end;
}
WAIT_WHILE(tld, tld->num_idle < 2);
res = wait_until_thread_state(test, tld, 0, 2);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 2, 0, 2, 1);
......@@ -989,7 +1040,10 @@ AST_TEST_DEFINE(threadpool_more_destruction)
ast_threadpool_set_size(pool, 4);
WAIT_WHILE(tld, tld->num_idle < 2);
res = wait_until_thread_state(test, tld, 2, 2);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 2, 2, 2, 0);
if (res == AST_TEST_FAIL) {
......@@ -1001,7 +1055,10 @@ AST_TEST_DEFINE(threadpool_more_destruction)
/* Shrinking the threadpool should kill off the two idle threads
* and one of the active threads.
*/
WAIT_WHILE(tld, tld->num_idle > 0 || tld->num_active > 1);
res = wait_until_thread_state(test, tld, 1, 0);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 2, 1, 0, 0);
if (res == AST_TEST_FAIL) {
......@@ -1021,7 +1078,10 @@ AST_TEST_DEFINE(threadpool_more_destruction)
goto end;
}
WAIT_WHILE(tld, tld->num_idle < 1);
res = wait_until_thread_state(test, tld, 0, 1);
if (res == AST_TEST_FAIL) {
goto end;
}
res = listener_check(test, listener, 1, 0, 2, 0, 1, 1);
......
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