From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Mon, 4 Sep 2023 17:14:01 +0000 (+0900)
Subject: time-util: introduce triple_timestamp_from_boottime()
X-Git-Tag: v255-rc1~574^2~2
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=7cd07551985598bd3e3abc425c2e392297f46395;p=thirdparty%2Fsystemd.git

time-util: introduce triple_timestamp_from_boottime()
---

diff --git a/src/basic/time-util.c b/src/basic/time-util.c
index 1db630003a4..a6790d207ce 100644
--- a/src/basic/time-util.c
+++ b/src/basic/time-util.c
@@ -156,6 +156,25 @@ triple_timestamp* triple_timestamp_from_realtime(triple_timestamp *ts, usec_t u)
         return ts;
 }
 
+triple_timestamp* triple_timestamp_from_boottime(triple_timestamp *ts, usec_t u) {
+        usec_t nowb;
+
+        assert(ts);
+
+        if (u == USEC_INFINITY) {
+                ts->realtime = ts->monotonic = ts->boottime = u;
+                return ts;
+        }
+
+        nowb = now(CLOCK_BOOTTIME);
+
+        ts->boottime = u;
+        ts->monotonic = map_clock_usec_internal(u, nowb, now(CLOCK_MONOTONIC));
+        ts->realtime = map_clock_usec_internal(u, nowb, now(CLOCK_REALTIME));
+
+        return ts;
+}
+
 dual_timestamp* dual_timestamp_from_monotonic(dual_timestamp *ts, usec_t u) {
         assert(ts);
 
diff --git a/src/basic/time-util.h b/src/basic/time-util.h
index 57283d31a72..b648a3b59ea 100644
--- a/src/basic/time-util.h
+++ b/src/basic/time-util.h
@@ -86,6 +86,7 @@ dual_timestamp* dual_timestamp_from_boottime(dual_timestamp *ts, usec_t u);
 
 triple_timestamp* triple_timestamp_get(triple_timestamp *ts);
 triple_timestamp* triple_timestamp_from_realtime(triple_timestamp *ts, usec_t u);
+triple_timestamp* triple_timestamp_from_boottime(triple_timestamp *ts, usec_t u);
 
 #define DUAL_TIMESTAMP_HAS_CLOCK(clock)                               \
         IN_SET(clock, CLOCK_REALTIME, CLOCK_REALTIME_ALARM, CLOCK_MONOTONIC)