posix counter: switch to clock_monotonic

1 files changed, 5 insertions, 5 deletions

diff --git a/include/arch/posix/driver/counter.h b/include/arch/posix/driver/counter.h
index e37bfd7..5d10500 100644
--- a/include/arch/posix/driver/counter.h
+++ b/include/arch/posix/driver/counter.h
@@ -9,13 +9,13 @@
 #include <stdint.h>
 #include <time.h>
 
-typedef uint64_t counter_value_t;
+typedef int64_t counter_value_t;
 typedef uint8_t counter_overflow_t;
 
 class Counter {
 	private:
 		Counter(const Counter &copy);
-		uint64_t start_sec, start_nsec;
+		int64_t start_sec, start_nsec;
 
 	public:
 		uint64_t value;
@@ -25,16 +25,16 @@ class Counter {
 
 		inline void start() {
 			struct timespec ts;
-			clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
+			clock_gettime(CLOCK_MONOTONIC, &ts);
 			start_sec = ts.tv_sec;
 			start_nsec = ts.tv_nsec;
 		}
 
 		inline void stop() {
 			struct timespec ts;
-			clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts);
+			clock_gettime(CLOCK_MONOTONIC, &ts);
 
-			value = (ts.tv_sec - start_sec) * 1000000000UL;
+			value = (ts.tv_sec - start_sec) * 1000000000L;
 			value += ts.tv_nsec - start_nsec;
 		}
 };