special case test for windows, remove two compile warnings on 64bit windows (cpython 3.5)

Author: planrich

src/vmp_stack.c

@@ -59,7 +59,7 @@ static PY_STACK_FRAME_T * _write_python_stack_entry(PY_STACK_FRAME_T * frame, vo
     int len;
     int addr;
     int j;
-    long line;
+    uint64_t line;
     char *lnotab;
 
 #ifndef RPYTHON_VMPROF // pypy does not support line profiling
@@ -76,7 +76,7 @@ static PY_STACK_FRAME_T * _write_python_stack_entry(PY_STACK_FRAME_T * frame, vo
         lnotab = PyStr_AS_STRING(frame->f_code->co_lnotab);
 
         if (lnotab != NULL) {
-            line = (long)frame->f_lineno;
+            line = (uint64_t)frame->f_lineno;
             addr = 0;
 
             len = (int)PyStr_GET_SIZE(frame->f_code->co_lnotab);

src/vmprof_main_win32.h

@@ -50,7 +50,7 @@ int vmprof_snapshot_thread(DWORD thread_id, PyThreadState *tstate, prof_stacktra
     depth = vmp_walk_and_record_stack(tstate->frame, stack->stack,
                                       MAX_STACK_DEPTH, 0, 0);
     stack->depth = depth;
-    stack->stack[depth++] = (void*)thread_id;
+    stack->stack[depth++] = (void*)((ULONG_PTR)thread_id);
     stack->count = 1;
     stack->marker = MARKER_STACKTRACE;
     ResumeThread(hThread);

vmprof/test/test_run.py

@@ -113,6 +113,11 @@ def test_enable_disable():
 def test_start_end_time():
     prof = vmprof.Profiler()
     before_profile = datetime.now(pytz.utc)
+    if sys.platform == 'win32':
+        # it seems that the windows implementation of vmp_write_time_now
+        # is borken, and cuts of some micro second precision.
+        import time
+        time.sleep(1)
     with prof.measure():
         function_foo()
     after_profile = datetime.now(pytz.utc)