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Diffstat (limited to 'gprofng/libcollector/gethrtime.c')
-rw-r--r-- | gprofng/libcollector/gethrtime.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/gprofng/libcollector/gethrtime.c b/gprofng/libcollector/gethrtime.c new file mode 100644 index 00000000000..f369cdc8ee1 --- /dev/null +++ b/gprofng/libcollector/gethrtime.c @@ -0,0 +1,41 @@ +/* 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; |