diff options
Diffstat (limited to 'rt/timer_getoverr.c')
| -rw-r--r-- | rt/timer_getoverr.c | 33 |
1 files changed, 24 insertions, 9 deletions
diff --git a/rt/timer_getoverr.c b/rt/timer_getoverr.c index 3680ba6..c1952f8 100644 --- a/rt/timer_getoverr.c +++ b/rt/timer_getoverr.c @@ -1,10 +1,11 @@ -/* Copyright (C) 1999-2021 Free Software Foundation, Inc. +/* Copyright (C) 2000-2021 Free Software Foundation, Inc. This file is part of the GNU C Library. + Contributed by Kaz Kylheku <kaz@ashi.footprints.net>. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public License as + published by the Free Software Foundation; either version 2.1 of the + License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -12,17 +13,31 @@ Lesser General Public License for more details. You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <https://www.gnu.org/licenses/>. */ + License along with the GNU C Library; see the file COPYING.LIB. If + not, see <https://www.gnu.org/licenses/>. */ #include <errno.h> +#include <pthread.h> #include <time.h> +#include "posix-timer.h" + + /* Get expiration overrun for timer TIMERID. */ int timer_getoverrun (timer_t timerid) { - __set_errno (ENOSYS); - return -1; + struct timer_node *timer; + int retval = -1; + + pthread_mutex_lock (&__timer_mutex); + + if (! timer_valid (timer = timer_id2ptr (timerid))) + __set_errno (EINVAL); + else + retval = timer->overrun_count; + + pthread_mutex_unlock (&__timer_mutex); + + return retval; } -stub_warning (timer_getoverrun) |