rename T_cache to T_local_cache in T/local_tracer.c

needed because of the following commit

common/utils/T/local_tracer.c

@@ -14,7 +14,7 @@
 #include "T_defs.h"
 #include "T_IDs.h"
 
-static T_cache_t *T_cache;
+static T_cache_t *T_local_cache;
 static int T_busylist_head;
 
 typedef struct databuf {
@@ -287,7 +287,7 @@ static void forward(void *_forwarder, char *buf, int size)
 
 static void wait_message(void)
 {
-  while (T_cache[T_busylist_head].busy == 0) usleep(1000);
+  while (T_local_cache[T_busylist_head].busy == 0) usleep(1000);
 }
 
 static void init_shm(void)
@@ -297,17 +297,17 @@ static void init_shm(void)
   if (s == -1) { perror(T_SHM_FILENAME); abort(); }
   if (ftruncate(s, T_CACHE_SIZE * sizeof(T_cache_t)))
     { perror(T_SHM_FILENAME); abort(); }
-  T_cache = mmap(NULL, T_CACHE_SIZE * sizeof(T_cache_t),
-                 PROT_READ | PROT_WRITE, MAP_SHARED, s, 0);
-  if (T_cache == NULL)
+  T_local_cache = mmap(NULL, T_CACHE_SIZE * sizeof(T_cache_t),
+                       PROT_READ | PROT_WRITE, MAP_SHARED, s, 0);
+  if (T_local_cache == NULL)
     { perror(T_SHM_FILENAME); abort(); }
   close(s);
 
   /* let's garbage the memory to catch some potential problems
    * (think multiprocessor sync issues, barriers, etc.)
    */
-  memset(T_cache, 0x55, T_CACHE_SIZE * sizeof(T_cache_t));
-  for (i = 0; i < T_CACHE_SIZE; i++) T_cache[i].busy = 0;
+  memset(T_local_cache, 0x55, T_CACHE_SIZE * sizeof(T_cache_t));
+  for (i = 0; i < T_CACHE_SIZE; i++) T_local_cache[i].busy = 0;
 }
 
 void T_local_tracer_main(int remote_port, int wait_for_tracer,
@@ -335,9 +335,9 @@ void T_local_tracer_main(int remote_port, int wait_for_tracer,
   while (1) {
     wait_message();
     __sync_synchronize();
-    forward(f, T_cache[T_busylist_head].buffer,
-            T_cache[T_busylist_head].length);
-    T_cache[T_busylist_head].busy = 0;
+    forward(f, T_local_cache[T_busylist_head].buffer,
+            T_local_cache[T_busylist_head].length);
+    T_local_cache[T_busylist_head].busy = 0;
     T_busylist_head++;
     T_busylist_head &= T_CACHE_SIZE - 1;
   }