From: Martin Ling <redacted>
Date: Sun, 23 Sep 2018 17:03:32 +0000 (+0100)
Subject: Fall back to CLOCK_REALTIME if CLOCK_MONOTONIC not usable.
X-Git-Tag: libserialport-0.1.2~81
X-Git-Url: https://sigrok.org/gitaction?a=commitdiff_plain;h=7fb9a7b0a72bea83d05ef19e09e6b95b066b523d;p=libserialport.git

Fall back to CLOCK_REALTIME if CLOCK_MONOTONIC not usable.

Sounds like this may be necessary on some older systems.
---

diff --git a/serialport.c b/serialport.c
index 6e68153..6875fe1 100644
--- a/serialport.c
+++ b/serialport.c
@@ -61,7 +61,8 @@ static void get_time(struct timeval *time)
 {
 #ifdef HAVE_CLOCK_GETTIME
 	struct timespec ts;
-	clock_gettime(CLOCK_MONOTONIC, &ts);
+	if (clock_gettime(CLOCK_MONOTONIC, &ts) == -1)
+		clock_gettime(CLOCK_REALTIME, &ts);
 	time->tv_sec = ts.tv_sec;
 	time->tv_usec = ts.tv_nsec / 1000;
 #elif defined(__APPLE__)