258 return JNI_ERR;
259 }
260 live_objects_only = strcmp(arg0, "-live") == 0;
261 }
262 VM_GC_HeapInspection heapop(out, live_objects_only /* request full gc */);
263 VMThread::execute(&heapop);
264 return JNI_OK;
265 }
266
267 // Implementation of "setflag" command
268 static jint set_flag(AttachOperation* op, outputStream* out) {
269
270 const char* name = NULL;
271 if ((name = op->arg(0)) == NULL) {
272 out->print_cr("flag name is missing");
273 return JNI_ERR;
274 }
275
276 FormatBuffer<80> err_msg("%s", "");
277
278 int ret = WriteableFlags::set_flag(op->arg(0), op->arg(1), Flag::ATTACH_ON_DEMAND, err_msg);
279 if (ret != Flag::SUCCESS) {
280 if (ret == Flag::NON_WRITABLE) {
281 // if the flag is not manageable try to change it through
282 // the platform dependent implementation
283 return AttachListener::pd_set_flag(op, out);
284 } else {
285 out->print_cr("%s", err_msg.buffer());
286 }
287
288 return JNI_ERR;
289 }
290 return JNI_OK;
291 }
292
293 // Implementation of "printflag" command
294 // See also: PrintVMFlagsDCmd class
295 static jint print_flag(AttachOperation* op, outputStream* out) {
296 const char* name = NULL;
297 if ((name = op->arg(0)) == NULL) {
298 out->print_cr("flag name is missing");
299 return JNI_ERR;
300 }
301 Flag* f = Flag::find_flag((char*)name, strlen(name));
302 if (f) {
303 f->print_as_flag(out);
304 out->cr();
305 } else {
306 out->print_cr("no such flag '%s'", name);
307 }
308 return JNI_OK;
309 }
310
311 // Table to map operation names to functions.
312
313 // names must be of length <= AttachOperation::name_length_max
314 static AttachOperationFunctionInfo funcs[] = {
315 { "agentProperties", get_agent_properties },
316 { "datadump", data_dump },
317 { "dumpheap", dump_heap },
318 { "load", load_agent },
319 { "properties", get_system_properties },
320 { "threaddump", thread_dump },
321 { "inspectheap", heap_inspection },
|
258 return JNI_ERR;
259 }
260 live_objects_only = strcmp(arg0, "-live") == 0;
261 }
262 VM_GC_HeapInspection heapop(out, live_objects_only /* request full gc */);
263 VMThread::execute(&heapop);
264 return JNI_OK;
265 }
266
267 // Implementation of "setflag" command
268 static jint set_flag(AttachOperation* op, outputStream* out) {
269
270 const char* name = NULL;
271 if ((name = op->arg(0)) == NULL) {
272 out->print_cr("flag name is missing");
273 return JNI_ERR;
274 }
275
276 FormatBuffer<80> err_msg("%s", "");
277
278 int ret = WriteableFlags::set_flag(op->arg(0), op->arg(1), JVMFlag::ATTACH_ON_DEMAND, err_msg);
279 if (ret != JVMFlag::SUCCESS) {
280 if (ret == JVMFlag::NON_WRITABLE) {
281 // if the flag is not manageable try to change it through
282 // the platform dependent implementation
283 return AttachListener::pd_set_flag(op, out);
284 } else {
285 out->print_cr("%s", err_msg.buffer());
286 }
287
288 return JNI_ERR;
289 }
290 return JNI_OK;
291 }
292
293 // Implementation of "printflag" command
294 // See also: PrintVMFlagsDCmd class
295 static jint print_flag(AttachOperation* op, outputStream* out) {
296 const char* name = NULL;
297 if ((name = op->arg(0)) == NULL) {
298 out->print_cr("flag name is missing");
299 return JNI_ERR;
300 }
301 JVMFlag* f = JVMFlag::find_flag((char*)name, strlen(name));
302 if (f) {
303 f->print_as_flag(out);
304 out->cr();
305 } else {
306 out->print_cr("no such flag '%s'", name);
307 }
308 return JNI_OK;
309 }
310
311 // Table to map operation names to functions.
312
313 // names must be of length <= AttachOperation::name_length_max
314 static AttachOperationFunctionInfo funcs[] = {
315 { "agentProperties", get_agent_properties },
316 { "datadump", data_dump },
317 { "dumpheap", dump_heap },
318 { "load", load_agent },
319 { "properties", get_system_properties },
320 { "threaddump", thread_dump },
321 { "inspectheap", heap_inspection },
|