Changeset 1971 for features/performance/src/defines.h.in

Timestamp:

04/09/08 15:37:35 (9 months ago)

Author:

aturner

Message:

switch to timespec (nanosecond precision) for sleeping. OS X's AbsoluteTime?
methods are really damn accurate! refs #41

Files:

• features/performance/src/defines.h.in (modified) (2 diffs)

features/performance/src/defines.h.in

@@ -218 +218 @@
 #define MILLISEC_TO_TIMEVAL(x, tv)          \
     do {                                    \
-        (tv)->tv_sec = x / 1000;            \
+        (tv)->tv_sec = (x) / 1000;            \
         (tv)->tv_usec = (x * 1000) - ((tv)->tv_sec * 1000000);   \
     } while(0)
@@ -224 +224 @@
 #define MICROSEC_TO_TIMEVAL(x, tv)          \
     do {                                    \
-        (tv)->tv_sec = x / 1000000;         \
-        (tv)->tv_usec = x - ((tv)->tv_sec * 1000000);   \
+        (tv)->tv_sec = (x) / 1000000;         \
+        (tv)->tv_usec = (x) - ((tv)->tv_sec * 1000000);   \
     } while(0)
 
 #define NANOSEC_TO_TIMEVAL(x, tv)           \
     do {                                    \
-        (tv)->tv_sec = x / 1000000000;      \
+        (tv)->tv_sec = (x) / 1000000000;      \
         (tv)->tv_usec = (x / 1000) - (tv)->tv_sec * 1000000);   \
     } while(0)
 
+#define NANOSEC_TO_TIMESPEC(x, ts)          \
+    do {                                    \
+        (ts)->tv_sec = (x) / 1000000000;      \
+        (ts)->tv_nsec = (x) - ((ts)->tv_sec * 1000000000);   \
+    } while(0)
+
+#define TIMESPEC_TO_MILLISEC(x)  (((x)->tv_sec * 1000) + ((x)->tv_nsec / 1000000))
+#define TIMESPEC_TO_MICROSEC(x)  (((x)->tv_sec * 1000000) + (x)->tv_nsec / 1000)
+#define TIMESPEC_TO_NANOSEC(x) ((u_int64_t)((x)->tv_sec * 1000000000) + ((u_int64_t)(x)->tv_nsec))
+
+
+
 #endif /* DEFINES */