Add timespec_measure to bake.util

SanderMertens · Feb 5, 2019 · 24b6b95 · 24b6b95
1 parent 36e7812
commit 24b6b95
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diff --git a/util/include/time.h b/util/include/time.h
@@ -82,6 +82,15 @@ int timespec_compare(
     struct timespec t1,
     struct timespec t2);
 
+/** Measure time passed since last measurement.
+ *
+ * @param t1 Last measurement
+ * @result Time elapsed since last measurement
+ */
+UT_EXPORT
+double timespec_measure(
+    struct timespec *t1);
+
 /** Convert time to double-precision floating point value.
  *
  * @param t Time value.

diff --git a/util/src/time.c b/util/src/time.c
@@ -108,3 +108,14 @@ char *timespec_to_str(
     strftime(str, sizeof(str) - 1, "%d %m %Y %H:%M", _tm);
     return ut_strdup(str);
 }
+
+double timespec_measure(
+    struct timespec *start)
+{
+    struct timespec stop, temp;
+    timespec_gettime(&stop);
+    temp = stop;
+    stop = timespec_sub(stop, *start);
+    *start = temp;
+    return timespec_toDouble(stop);
+}