void on_fork(int pid){ int ix; for( ix = 0; ix < elnumof(threads); ix++ ){ threads[ix].t_id = 0; threads[ix].t_tgid = 0; } ThreadsWaitTO = 0; ThreadsDone[0] = ThreadsDone[1] = -1; main_thread_pid = pid; main_thread = 0; ActiveThreads = 0; ActiveThreadsMax = 0; ExitedThreads = 0; pNthreads = Nthreads; Nthreads = 0; NewThreads = 0; cnt_errorCSC = 0; cnt_retryCSC = 0; cnt_enterCSC = 0; cnt_leaveCSC = 0; cnt_errCSCpid = 0; enterCSC_F = 0; enterCSC_L = 0; bzero(ThreadCSC,sizeof(ThreadCSC)); clearThreadEnv(); }
static jint attachThread(VM* vm, Env** envPtr, char* name, Object* group, jboolean daemon) { Env* env = *envPtr; // env is NULL if rvmAttachCurrentThread() was called. If non NULL rvmInitThreads() was called. if (!env) { // If the thread was already attached there's an Env* associated with the thread. env = (Env*) pthread_getspecific(tlsEnvKey); if (env) { env->attachCount++; *envPtr = env; return JNI_OK; } } if (!env) { env = rvmCreateEnv(vm); if (!env) goto error; } setThreadEnv(env); if (rvmExceptionOccurred(env)) goto error; Thread* thread = allocThread(env); if (!thread) goto error; thread->stackAddr = getStackAddress(); thread->pThread = pthread_self(); env->currentThread = thread; rvmChangeThreadStatus(env, thread, THREAD_RUNNING); JavaThread* threadObj = (JavaThread*) rvmAllocateObject(env, java_lang_Thread); if (!threadObj) goto error; rvmLockThreadsList(); if (!initThread(env, thread, threadObj)) { rvmUnlockThreadsList(); goto error; } if (!rvmSetupSignals(env)) { rvmUnlockThreadsList(); goto error; } DL_PREPEND(threads, thread); pthread_cond_broadcast(&threadsChangedCond); rvmUnlockThreadsList(); Object* threadName = NULL; if (name) { threadName = rvmNewStringUTF(env, name, -1); if (!threadName) goto error_remove; } Method* threadConstructor = rvmGetInstanceMethod2(env, java_lang_Thread, "<init>", "(JLjava/lang/String;Ljava/lang/ThreadGroup;Z)V"); if (!threadConstructor) goto error_remove; rvmCallNonvirtualVoidInstanceMethod(env, (Object*) threadObj, threadConstructor, PTR_TO_LONG(thread), threadName, group, daemon); if (rvmExceptionOccurred(env)) goto error_remove; *envPtr = env; return JNI_OK; error_remove: rvmLockThreadsList(); DL_DELETE(threads, thread); pthread_cond_broadcast(&threadsChangedCond); rvmTearDownSignals(env); rvmUnlockThreadsList(); error: if (env) env->currentThread = NULL; clearThreadEnv(); return JNI_ERR; }