Samuel Vinson
- $Id: jvmti.c 5019 2006-06-06 21:13:41Z motse $
+ $Id: jvmti.c 5031 2006-06-14 18:36:22Z motse $
*/
return JVMTI_ERROR_NONE;
}
-/* execcallback ***************************************************************
+/* execute_callback ************************************************************
executes the registerd callbacks for the given jvmti event with parameter
in the data structure.
data->class_data,
data->new_class_data_len,
data->new_class_data);
+
+ /* if class data has been modified use it as class data for other agents
+ waiting for the same event */
+ if (data->new_class_data != NULL) {
+ data->jint1 = *(data->new_class_data_len);
+ data->class_data = *(data->new_class_data);
+ }
break;
/* GetOwnedMonitorInfo *********************************************************
- Get information about the monitors owned by the specified thread
+ Gets all monitors owned by the specified thread
*******************************************************************************/
lock_record_pool_t* lrp;
threadobject* t;
- log_text("GetOwnedMonitorInfo called");
-
CHECK_PHASE_START
CHECK_PHASE(JVMTI_PHASE_LIVE)
CHECK_PHASE_END;
pthread_mutex_lock(&lock_global_pool_lock);
lrp=lock_global_pool;
+ /* iterate over all lock record pools */
while (lrp != NULL) {
+ /* iterate over every lock record in a pool */
for (j=0; j<lrp->header.size; j++) {
-/* if((lrp->lr[j].owner==t)&&
- (!lrp->lr[j].waiting)) {
- if (i>=size) {
- MREALLOC(om,java_objectheader*,size,size*2);
- size=size*2;
+ /* if the lock record is owned by the given thread add it to
+ the result array */
+ if(lrp->lr[j].owner == t) {
+ if (i >= size) {
+ MREALLOC(om, java_objectheader*, size, size * 2);
+ size = size * 2;
}
- om[i]=lrp->lr[j].o;
+ om[i] = lrp->lr[j].obj;
i++;
- }*/
+ }
}
lrp=lrp->header.next;
}
pthread_mutex_unlock(&lock_global_pool_lock);
- *owned_monitors_ptr = heap_allocate(sizeof(java_objectheader*)*i,true,NULL);
- memcpy(*owned_monitors_ptr,om,i*sizeof(java_objectheader*));
- MFREE(om,java_objectheader*,size);
+ *owned_monitors_ptr =
+ heap_allocate(sizeof(java_objectheader*) * i, true, NULL);
+ memcpy(*owned_monitors_ptr, om, i * sizeof(java_objectheader*));
+ MFREE(om, java_objectheader*, size);
*owned_monitor_count_ptr = i;
{
int j;
lock_record_pool_t* lrp;
- java_objectheader* monitor;
+ threadobject* t;
+ lock_waiter_t* waiter;
CHECK_PHASE_START
CHECK_PHASE(JVMTI_PHASE_LIVE)
if (monitor_ptr == NULL) return JVMTI_ERROR_NULL_POINTER;
*monitor_ptr=NULL;
- if(!builtin_instanceof(thread,class_java_lang_Thread))
- return JVMTI_ERROR_INVALID_THREAD;
-
- CHECK_THREAD_IS_ALIVE(thread);
-
+ if (thread == NULL) {
+ t = jvmti_get_current_thread();
+ } else {
+ if(!builtin_instanceof(thread,class_java_lang_Thread))
+ return JVMTI_ERROR_INVALID_THREAD;
+
+ CHECK_THREAD_IS_ALIVE(thread);
+ t = (threadobject*) thread;
+ }
#if defined(ENABLE_THREADS)
lrp=lock_global_pool;
- while ((lrp != NULL)&&(monitor == NULL)) {
+ /* iterate over all lock record pools */
+ while ((lrp != NULL) && (*monitor_ptr == NULL)) {
+ /* iterate over every lock record in a pool */
for (j=0; j<lrp->header.size; j++) {
-/* if((lrp->lr[j].owner==(threadobject*)thread)&&(lrp->lr[j].waiting)) {
- monitor=lrp->lr[j].o;
- break;
- }*/
+ /* iterate over every thread that is wait on this lock record */
+ waiter = lrp->lr[j].waiters;
+ while (waiter != NULL)
+ /* if the waiting thread equals to the given thread we are
+ done. Stop iterateting. */
+ if(waiter->waiter == t) {
+ *monitor_ptr=lrp->lr[j].obj;
+ break;
+ }
}
lrp=lrp->header.next;
}
pthread_mutex_unlock(&lock_global_pool_lock);
- if (monitor!=NULL) {
- *monitor_ptr = heap_allocate(sizeof(java_objectheader*),true,NULL);
- *monitor_ptr = (jobject)monitor;
- }
#endif
return JVMTI_ERROR_NONE;
0, /* can_generate_single_step_events */
1, /* can_generate_exception_events */
0, /* can_generate_frame_pop_events */
- 0, /* can_generate_breakpoint_events */
+ 1, /* can_generate_breakpoint_events */
1, /* can_suspend */
0, /* can_redefine_any_class */
0, /* can_get_current_thread_cpu_time */
0, /* can_generate_method_exit_events */
0, /* can_generate_all_class_hook_events */
0, /* can_generate_compiled_method_load_events */
- 0, /* can_generate_monitor_events */
+ 1, /* can_generate_monitor_events */
0, /* can_generate_vm_object_alloc_events */
0, /* can_generate_native_method_bind_events */
0, /* can_generate_garbage_collection_events */
&GetObjectSize
};
+/* jvmti_set_phase ************************************************************
+
+ sets a new jvmti phase a fires an apropriate event.
+
+*******************************************************************************/
void jvmti_set_phase(jvmtiPhase p) {
genericEventData d;
jvmti_fireEvent(&d);
}
+
+/* jvmti_new_environment ******************************************************
+
+ creates a new JVMTI environment
+
+*******************************************************************************/
+
jvmtiEnv* jvmti_new_environment() {
environment* env;
return (jvmtiEnv*)env;
}
+/* jvmti_agentload ************************************************************
+
+ loads the indicated shared library containing the jvmti agent and calls the
+ Agent_OnLoad function.
+
+*******************************************************************************/
+
void jvmti_agentload(char* opt_arg, bool agentbypath, lt_dlhandle *handle, char **libname) {
lt_ptr onload;
char *arg;
if (retval != 0) exit (retval);
}
+/* jvmti_agentunload **********************************************************
+
+ calls the Agent_UnLoad function in the jvmti agent if present.
+
+*******************************************************************************/
+
void jvmti_agentunload() {
if (unload != NULL) {
((JNIEXPORT void JNICALL (*) (JavaVM *vm)) unload)
}
}
+
/*
* These are local overrides for various environment variables in Emacs.
* Please do not remove this and leave it at the end of the file, where
projects / cacao.git / blobdiff