X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=threads.cc;h=6adc053ae2dbfc58a00bbbb2f0e6a7c2e79a7b4c;hb=d70f6f259c9850e5fceb527e3a9541c440c0146b;hp=2ff058f45ebe727e952b2769a9f2336dc461106b;hpb=e60d8c23d30a0dfe66b8426f7f2ecf576e812028;p=model-checker.git diff --git a/threads.cc b/threads.cc index 2ff058f..6adc053 100644 --- a/threads.cc +++ b/threads.cc @@ -4,7 +4,7 @@ #include -#include "libthreads.h" +#include #include "common.h" #include "threads-model.h" @@ -34,8 +34,6 @@ Thread * thread_current(void) * Provides a startup wrapper for each thread, allowing some initial * model-checking data to be recorded. This method also gets around makecontext * not being 64-bit clean - * @todo We should make the START event always immediately follow the - * CREATE event, so we don't get redundant traces... */ void thread_startup() { @@ -106,12 +104,11 @@ int Thread::swap(ucontext_t *ctxt, Thread *t) /** Terminate a thread and free its stack. */ void Thread::complete() { - if (!is_complete()) { - DEBUG("completed thread %d\n", id_to_int(get_id())); - state = THREAD_COMPLETED; - if (stack) - stack_free(stack); - } + ASSERT(!is_complete()); + DEBUG("completed thread %d\n", id_to_int(get_id())); + state = THREAD_COMPLETED; + if (stack) + stack_free(stack); } /** @@ -161,22 +158,33 @@ Thread::Thread(thrd_t *t, void (*func)(void *), void *a) : /* Initialize state */ ret = create_context(); if (ret) - printf("Error in create_context\n"); + model_print("Error in create_context\n"); id = model->get_next_id(); - *user_thread = id; + user_thread->priv = this; parent = thread_current(); } /** Destructor */ Thread::~Thread() { - complete(); + if (!is_complete()) + complete(); model->remove_thread(this); } /** @return The thread_id_t corresponding to this Thread object. */ -thread_id_t Thread::get_id() +thread_id_t Thread::get_id() const { return id; } + +/** + * Set a thread's THREAD_* state (@see thread_state) + * @param s The state to enter + */ +void Thread::set_state(thread_state s) +{ + ASSERT(s == THREAD_COMPLETED || state != THREAD_COMPLETED); + state = s; +}