/*
* Get Thread CPU Time
*
* Return the CPU time utilized by the specified thread.
*
* OPTIONAL Functionality.
*/
jvmtiError JNICALL
jvmtiGetThreadCpuTime(jvmtiEnv* env,
jthread thread,
jlong* nanos_ptr)
{
TRACE2("jvmti.timer", "GetThreadCpuTime called");
IDATA status;
SuspendEnabledChecker sec;
/*
* Check given env & current phase.
*/
jvmtiPhase phases[] = {JVMTI_PHASE_LIVE};
CHECK_EVERYTHING();
CHECK_CAPABILITY(can_get_thread_cpu_time);
if (NULL == nanos_ptr)
return JVMTI_ERROR_NULL_POINTER;
if (NULL == thread) {
status = jthread_get_thread_cpu_time(NULL, nanos_ptr);
} else {
if (! is_valid_thread_object(thread))
return JVMTI_ERROR_INVALID_THREAD;
// lock thread manager to avoid occasional change of thread state
hythread_global_lock();
int state;// =thread_get_thread_state(thread);
jvmtiError err = jvmtiGetThreadState(env, thread, &state);
if (err != JVMTI_ERROR_NONE){
return err;
}
switch (state)
{
case JVMTI_THREAD_STATE_TERMINATED: // thread is terminated
case JVMTI_JAVA_LANG_THREAD_STATE_NEW: // thread is new
hythread_global_unlock();
return JVMTI_ERROR_THREAD_NOT_ALIVE;
default: // thread is alive
status = jthread_get_thread_cpu_time(thread, nanos_ptr);
break;
}
hythread_global_unlock();
}
if (status != TM_ERROR_NONE)
return JVMTI_ERROR_INTERNAL;
return JVMTI_ERROR_NONE;
}
static jvmtiError
GetLocal_checkArgs(jvmtiEnv* env,
jthread *thread,
jint depth,
jint UNREF slot,
void* value_ptr)
{
jint state;
jvmtiError err;
// TODO: check error condition: JVMTI_ERROR_MUST_POSSESS_CAPABILITY
if (*thread == 0) {
*thread = getCurrentThread();
}
// check error condition: JVMTI_ERROR_INVALID_THREAD
err = jvmtiGetThreadState(env, *thread, &state);
if (err != JVMTI_ERROR_NONE) {
return err;
}
// check error condition: JVMTI_ERROR_THREAD_NOT_ALIVE
if ((state & JVMTI_THREAD_STATE_ALIVE) == 0) {
return JVMTI_ERROR_THREAD_NOT_ALIVE;
}
// check error condition: JVMTI_ERROR_ILLEGAL_ARGUMENT
if (depth < 0) {
return JVMTI_ERROR_ILLEGAL_ARGUMENT;
}
// check error condition: JVMTI_ERROR_NULL_POINTER
if (value_ptr == 0) {
return JVMTI_ERROR_NULL_POINTER;
}
return JVMTI_ERROR_NONE;
}