WebSVN – HelenOS – Diff – /branches/tracing/uspace/app/sctrace/sctrace.c

 unsigned n_threads;
 int phoneid;
 int abort_trace;
+volatile int print_cs;
+void fcs_begin(volatile int *csvar)
+{
+    while (*csvar != 0) {
+        fibril_yield();
+        printf(" \b");
+    }
+    *csvar = 1;
+}
+void fcs_end(volatile int *csvar)
+{
+    *csvar = 0;
+}
 int task_connect(int taskid)
+{
     int rc;
     printf("ipc_connect_task(%d)...\n", taskid);
         if (rc >= 0) {
             rc = debug_args_read(phoneid, threadid_buf[thread_idx],
                 sc_args);
+        }
+//      printf("[%d]:begin\n", thread_idx);
+        fcs_begin(&print_cs);
+//      printf("[%d]:inside\n", thread_idx);
         printf("[%d] ", thread_idx);
         /* Print syscall name, id and arguments */
         if (rc >= 0) {
             printf("%s", syscall_desc[sc_id].name);
             print_sc_args(sc_args, syscall_desc[sc_id].n_args);
             rv_type = syscall_desc[sc_id].rv_type;
             print_sc_retval(sc_rc, rv_type);
+        }
+//      printf("[%d]:end\n", thread_idx);
+        fcs_end(&print_cs);
         switch (sc_id) {
         case SYS_IPC_CALL_ASYNC_SLOW:
             sc_ipc_call_async_slow(sc_args);
             break;
         default:
     return;
+}
 int main(void)
+{
+    print_cs = 0;
     while (1) {
         trace_active_task();
+    }
+}

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