예제 #1
0
파일: thread.cpp 프로젝트: caols/chaos
bool thread_t::start(async_method_t method_)
{
    LOGTRACE((THREAD_MODULE, "thread_t::start begin"));

	if(m_alive)
	{
        LOGWARN((THREAD_MODULE, "thread_t::start thread-[%] has started, return.", get_thread_name().c_str()));

		return true;
	}

	::pthread_attr_t attr;
	::pthread_attr_init(&attr);
	if(!m_joinable) pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);

    m_thread_func = method_;

	if(0 != ::pthread_create(&m_thread, NULL, thread_t::thread_func, this))
	{
        LOGWARN((THREAD_MODULE, "thread_t::start thread-[%] create failed, return.", get_thread_name().c_str()));

		return false;
	}

	pthread_attr_destroy(&attr);

    LOGTRACE((THREAD_MODULE, "thread_t::start end"));
	return true;
}
예제 #2
0
/* Callback for JVMTI_EVENT_VM_INIT */
static void JNICALL
cbVMInit(jvmtiEnv *jvmti, JNIEnv *env, jthread thread)
{
    enter_critical_section(jvmti);
    {
        char  tname[MAX_THREAD_NAME_LENGTH];
        static jvmtiEvent events[] =
        { JVMTI_EVENT_THREAD_START, JVMTI_EVENT_THREAD_END };
        int        i;

        /* The VM has started. */
        get_thread_name(jvmti, thread, tname, sizeof(tname));
        stdout_message("VMInit %s\n", tname);

        /* The VM is now initialized, at this time we make our requests
         *   for additional events.
         */

        for( i=0; i < (int)(sizeof(events)/sizeof(jvmtiEvent)); i++) {
            jvmtiError error;

            /* Setup event  notification modes */
            error = (*jvmti)->SetEventNotificationMode(jvmti, JVMTI_ENABLE,
                    events[i], (jthread)NULL);
            check_jvmti_error(jvmti, error, "Cannot set event notification");
        }

    }
    exit_critical_section(jvmti);
}
예제 #3
0
void print_debug(char * mensaje)
{

    if (DEBUG_ACTIVE)
    {
        fprintf(stderr,"%s.Thread : %s\n",mensaje,get_thread_name());
    }

}
예제 #4
0
파일: mtrace.c 프로젝트: AllenWeb/openjdk-1
/* Callback for JVMTI_EVENT_THREAD_END */
static void JNICALL
cbThreadEnd(jvmtiEnv *jvmti, JNIEnv *env, jthread thread)
{
    enter_critical_section(jvmti); {
        /* It's possible we get here right after VmDeath event, be careful */
        if ( !gdata->vm_is_dead ) {
            char  tname[MAX_THREAD_NAME_LENGTH];

            get_thread_name(jvmti, thread, tname, sizeof(tname));
            stdout_message("ThreadEnd %s\n", tname);
        }
    } exit_critical_section(jvmti);
}
예제 #5
0
파일: graph.c 프로젝트: Abioy/sheepdog
static void graph_tracer_enter(const struct caller *this_fn, int depth)
{
	struct trace_graph_item trace = {
		.type = TRACE_GRAPH_ENTRY,
		.depth = depth,
	};

	pstrcpy(trace.fname, sizeof(trace.fname), this_fn->name);
	get_thread_name(trace.tname);

	entry_time[depth] = clock_get_time();

	trace_buffer_push(sched_getcpu(), &trace);
}
예제 #6
0
파일: graph.c 프로젝트: Abioy/sheepdog
static void graph_tracer_exit(const struct caller *this_fn, int depth)
{
	struct trace_graph_item trace = {
		.depth = depth,
		.type = TRACE_GRAPH_RETURN,
		.entry_time = entry_time[depth],
		.return_time = clock_get_time(),
	};

	pstrcpy(trace.fname, sizeof(trace.fname), this_fn->name);
	get_thread_name(trace.tname);

	trace_buffer_push(sched_getcpu(), &trace);
}
예제 #7
0
파일: graph.c 프로젝트: higkoo/sheepdog
notrace unsigned long trace_return_call(void)
{
	struct trace_graph_item trace;
	unsigned long ret;

	memset(&trace, 0, sizeof(trace));

	get_thread_name(trace.tname);
	trace.return_time = clock_get_time();
	pop_return_trace(&trace, &ret);
	trace.type = TRACE_GRAPH_RETURN;
	trace_graph_return(&trace);

	return ret;
}
예제 #8
0
파일: graph.c 프로젝트: higkoo/sheepdog
/* Hook the return address and push it in the trace_ret_stack.
 *
 * ip: the address of the call instruction in the code.
 * ret_addr: the address of return address in the stack frame.
 */
static notrace void graph_tracer(unsigned long ip, unsigned long *ret_addr)
{
	unsigned long old_addr = *ret_addr;
	uint64_t entry_time;
	struct trace_graph_item trace;
	struct caller *cr;

	memset(&trace, 0, sizeof(trace));

	cr = trace_lookup_ip(ip, false);
	assert(cr->namelen + 1 < TRACE_FNAME_LEN);
	memcpy(trace.fname, cr->name, cr->namelen);
	memset(trace.fname + cr->namelen, '\0', 1);
	get_thread_name(trace.tname);

	*ret_addr = (unsigned long)trace_return_caller;
	entry_time = clock_get_time();
	push_return_trace(old_addr, entry_time, ip, &trace.depth);
	trace.type = TRACE_GRAPH_ENTRY;

	trace_graph_entry(&trace);
}
/* create principals */
static
jint createPrincipal(jvmtiEnv* jvmti, JNIEnv *jniEnv,
		ResourcePrincipal** principals, ClassInfo* infos, int count_classes)
{
	jint count_principals, thread_count;
	int j;
	int i;
	int k;
	jthread* threads;
	jvmtiError err;

	err = (*jvmti)->GetAllThreads(jvmti, &thread_count, &threads);
	check_jvmti_error(jvmti, err, "get all threads");
	count_principals = 1; 
	for (i = 0 ; i < thread_count ; ++i) {
		char  tname[255];

        get_thread_name(jvmti, threads[i], tname, sizeof(tname));
        if (!strcmp(tname, "The guy"))
			count_principals++; // increase count
	}
	
	(*principals) = (ResourcePrincipal*)calloc(sizeof(ResourcePrincipal), count_principals);

	(*principals)[0].details = (ClassDetails*)calloc(sizeof(ClassDetails), count_classes);
    if ( (*principals)[0].details == NULL ) 
           	fatal_error("ERROR: Ran out of malloc space\n");

    for ( i = 0 ; i < count_classes ; i++ )
		(*principals)[0].details[i].info = &infos[i];

	(*principals)[0].tag = 1;
	(*principals)[0].strategy_to_explore = &followReferences_to_discard;

	j = 1;

	for (i = 0 ; i < thread_count ; ++i) {
		jvmtiThreadInfo t_info;
		char  tname[255];

        get_thread_name(jvmti, threads[i], tname, sizeof(tname));

		if (strcmp(tname, "The guy")) continue;

		/* Setup an area to hold details about these classes */
		(*principals)[j].details = (ClassDetails*)calloc(sizeof(ClassDetails), count_classes);
	    if ( (*principals)[j].details == NULL ) 
	           	fatal_error("ERROR: Ran out of malloc space\n");

	    for ( k = 0 ; k < count_classes ; k++ )
			(*principals)[j].details[k].info = &infos[k];

		
		(*principals)[j].strategy_to_explore = &explore_FollowReferences_Thread;
		(*principals)[j].tag = (jlong)(j+1);

		/* Tag this jthread */
    	err = (*jvmti)->SetTag(jvmti, 
							threads[i],
                        	tagForObject( &(*principals)[j]) );
    	check_jvmti_error(jvmti, err, "set thread tag");

		memset(&t_info,0, sizeof(t_info));
		err = (*jvmti)->GetThreadInfo(jvmti, 
						threads[i], &t_info);
		check_jvmti_error(jvmti, err, "get thread info");
		
		err = (*jvmti)->SetTag(jvmti, 
							t_info.context_class_loader,
                        	tagForObject( &(*principals)[j]));
    	check_jvmti_error(jvmti, err, "set classloader tag");

		j++;

	}
	/* Free up all allocated space */
    deallocate(jvmti, threads);

	return count_principals;
}