odhcdp: use a more suitable clock

In my testing, CLOCK_MONOTONIC_COARSE uses about 1/3 of the CPU cycles.

And the accuracy is completely irrelevant.

Signed-off-by: David Härdeman <[email protected]>
Link: https://github.com/openwrt/odhcpd/pull/282
Signed-off-by: Álvaro Fernández Rojas <[email protected]>

diff --git a/src/odhcpd.c b/src/odhcpd.c
index 4b17a161152c6e7f672b9b21bf9e0d4e5a984bd7..ef67acc630a1c142be0b29eab29179dccd3333dd 100644 (file)
--- a/src/odhcpd.c
+++ b/src/odhcpd.c
@@ -551,7 +551,7 @@ int odhcpd_urandom(void *data, size_t len)
 time_t odhcpd_time(void)
 {
        struct timespec ts;
-       clock_gettime(CLOCK_MONOTONIC, &ts);
+       clock_gettime(CLOCK_MONOTONIC_COARSE, &ts);
        return ts.tv_sec;
 }