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-rw-r--r--gprofng/libcollector/gethrtime.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/gprofng/libcollector/gethrtime.c b/gprofng/libcollector/gethrtime.c
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+++ b/gprofng/libcollector/gethrtime.c
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+/* Copyright (C) 2021 Free Software Foundation, Inc.
+ Contributed by Oracle.
+
+ This file is part of GNU Binutils.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "config.h"
+#include <time.h>
+#include "gp-time.h"
+
+/*
+ * CLOCK_MONOTONIC
+ * Clock that cannot be set and represents monotonic time since some
+ * unspecified starting point.
+ */
+static hrtime_t
+linux_gethrtime ()
+{
+ struct timespec tp;
+ hrtime_t rc = 0;
+ int r = clock_gettime (CLOCK_MONOTONIC_RAW, &tp);
+ if (r == 0)
+ rc = ((hrtime_t) tp.tv_sec)*1000000000 + (hrtime_t) tp.tv_nsec;
+ return rc;
+}
+
+hrtime_t (*__collector_gethrtime)() = linux_gethrtime;