clean

[cdsspec-compiler.git] / clockvector.cc

diff --git a/clockvector.cc b/clockvector.cc
deleted file mode 100644 (file)
index 5f068e9..0000000
--- a/clockvector.cc
+++ /dev/null
@@ -1,101 +0,0 @@
-#include <cstring>
-#include <stdlib.h>
-
-#include "action.h"
-#include "clockvector.h"
-#include "common.h"
-#include "threads-model.h"
-
-/**
- * Constructs a new ClockVector, given a parent ClockVector and a first
- * ModelAction. This constructor can assign appropriate default settings if no
- * parent and/or action is supplied.
- * @param parent is the previous ClockVector to inherit (i.e., clock from the
- * same thread or the parent that created this thread)
- * @param act is an action with which to update the ClockVector
- */
-ClockVector::ClockVector(ClockVector *parent, ModelAction *act)
-{
-       ASSERT(act);
-       num_threads = int_to_id(act->get_tid()) + 1;
-       if (parent && parent->num_threads > num_threads)
-               num_threads = parent->num_threads;
-
-       clock = (modelclock_t *)snapshot_calloc(num_threads, sizeof(int));
-       if (parent)
-               std::memcpy(clock, parent->clock, parent->num_threads * sizeof(modelclock_t));
-
-       clock[id_to_int(act->get_tid())] = act->get_seq_number();
-}
-
-/** @brief Destructor */
-ClockVector::~ClockVector()
-{
-       snapshot_free(clock);
-}
-
-/**
- * Merge a clock vector into this vector, using a pairwise comparison. The
- * resulting vector length will be the maximum length of the two being merged.
- * @param cv is the ClockVector being merged into this vector.
- */
-bool ClockVector::merge(const ClockVector *cv)
-{
-       ASSERT(cv != NULL);
-       bool changed = false;
-       if (cv->num_threads > num_threads) {
-               clock = (modelclock_t *)snapshot_realloc(clock, cv->num_threads * sizeof(modelclock_t));
-               for (int i = num_threads; i < cv->num_threads; i++)
-                       clock[i] = 0;
-               num_threads = cv->num_threads;
-       }
-
-       /* Element-wise maximum */
-       for (int i = 0; i < cv->num_threads; i++)
-               if (cv->clock[i] > clock[i]) {
-                       clock[i] = cv->clock[i];
-                       changed = true;
-               }
-       
-       return changed;
-}
-
-/**
- * Check whether this vector's thread has synchronized with another action's
- * thread. This effectively checks the happens-before relation (or actually,
- * happens after), but it's easier to compare two ModelAction events directly,
- * using ModelAction::happens_before.
- *
- * @see ModelAction::happens_before
- *
- * @return true if this ClockVector's thread has synchronized with act's
- * thread, false otherwise. That is, this function returns:
- * <BR><CODE>act <= cv[act->tid]</CODE>
- */
-bool ClockVector::synchronized_since(const ModelAction *act) const
-{
-       int i = id_to_int(act->get_tid());
-
-       if (i < num_threads)
-               return act->get_seq_number() <= clock[i];
-       return false;
-}
-
-/** Gets the clock corresponding to a given thread id from the clock vector. */
-modelclock_t ClockVector::getClock(thread_id_t thread) {
-       int threadid = id_to_int(thread);
-
-       if (threadid < num_threads)
-               return clock[threadid];
-       else
-               return 0;
-}
-
-/** @brief Formats and prints this ClockVector's data. */
-void ClockVector::print() const
-{
-       int i;
-       model_print("(");
-       for (i = 0; i < num_threads; i++)
-               model_print("%2u%s", clock[i], (i == num_threads - 1) ? ")\n" : ", ");
-}