Add utcp_set_clock_granularity().

[utcp] / utcp.c

diff --git a/utcp.c b/utcp.c
index cc17b0f744b0f4b63109daed01b55996f50f7613..0b36de15263b8b005c0625f866e901054432b5ba 100644 (file)
--- a/utcp.c
+++ b/utcp.c
@@ -73,7 +73,7 @@ static bool timespec_isset(const struct timespec *a) {
        return a->tv_sec;
 }
 
-static long CLOCK_GRANULARITY;
+static long CLOCK_GRANULARITY; // usec
 
 static inline size_t min(size_t a, size_t b) {
        return a < b ? a : b;
@@ -2056,7 +2056,7 @@ struct utcp *utcp_init(utcp_accept_t accept, utcp_pre_accept_t pre_accept, utcp_
        if(!CLOCK_GRANULARITY) {
                struct timespec res;
                clock_getres(UTCP_CLOCK, &res);
-               CLOCK_GRANULARITY = res.tv_sec * NSEC_PER_SEC + res.tv_nsec;
+               CLOCK_GRANULARITY = res.tv_sec * USEC_PER_SEC + res.tv_nsec / 1000;
        }
 
        utcp->accept = accept;
@@ -2331,3 +2331,7 @@ void utcp_offline(struct utcp *utcp, bool offline) {
                utcp->rto = START_RTO;
        }
 }
+
+void utcp_set_clock_granularity(long granularity) {
+       CLOCK_GRANULARITY = granularity;
+}