diff options
Diffstat (limited to 'src/pmdas/lustrecomm/timespec_routines.c')
| -rw-r--r-- | src/pmdas/lustrecomm/timespec_routines.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/pmdas/lustrecomm/timespec_routines.c b/src/pmdas/lustrecomm/timespec_routines.c new file mode 100644 index 0000000..976be2a --- /dev/null +++ b/src/pmdas/lustrecomm/timespec_routines.c @@ -0,0 +1,48 @@ +/* + * Lustre common /proc PMDA + * + * Copyright (c) 2008 Silicon Graphics, Inc. All Rights Reserved. + * + * Author: Scott Emery <emery@sgi.com> + * + * 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 2 of the License, 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, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include <time.h> + + +struct timespec timespec_add (struct timespec *a, struct timespec *b){ + struct timespec tret; + + tret.tv_nsec = (a->tv_nsec + b->tv_nsec) % 1000000000; + tret.tv_sec = a->tv_sec + b->tv_sec + + ((a->tv_nsec + b->tv_nsec)/1000000000); + return tret; +} + +int timespec_le ( struct timespec *lhs, struct timespec *rhs) { + if (rhs->tv_sec < lhs->tv_sec) { + /* false */ + return 0; + } + if (lhs->tv_sec == rhs->tv_sec) { + if (rhs->tv_nsec < lhs->tv_nsec) { + /* false */ + return 0; + } + } + return 1; +} + |