From 463dc947b4f9bc4137c9919ee72b896403926474 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Thu, 12 Jun 2014 13:48:47 -0700 Subject: Get rid of nptl/sysdeps/pthread/ subdirectory --- sysdeps/pthread/timer_gettime.c | 76 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 sysdeps/pthread/timer_gettime.c (limited to 'sysdeps/pthread/timer_gettime.c') diff --git a/sysdeps/pthread/timer_gettime.c b/sysdeps/pthread/timer_gettime.c new file mode 100644 index 0000000000..1e0ea69ad0 --- /dev/null +++ b/sysdeps/pthread/timer_gettime.c @@ -0,0 +1,76 @@ +/* Copyright (C) 2000-2014 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Kaz Kylheku . + + 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. + + The GNU C Library 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 + 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; see the file COPYING.LIB. If + not, see . */ + +#include +#include +#include + +#include "posix-timer.h" + + +/* Get current value of timer TIMERID and store it in VLAUE. */ +int +timer_gettime (timerid, value) + timer_t timerid; + struct itimerspec *value; +{ + struct timer_node *timer; + struct timespec now, expiry; + int retval = -1, armed = 0, valid; + clock_t clock = 0; + + pthread_mutex_lock (&__timer_mutex); + + timer = timer_id2ptr (timerid); + valid = timer_valid (timer); + + if (valid) { + armed = timer->armed; + expiry = timer->expirytime; + clock = timer->clock; + value->it_interval = timer->value.it_interval; + } + + pthread_mutex_unlock (&__timer_mutex); + + if (valid) + { + if (armed) + { + clock_gettime (clock, &now); + if (timespec_compare (&now, &expiry) < 0) + timespec_sub (&value->it_value, &expiry, &now); + else + { + value->it_value.tv_sec = 0; + value->it_value.tv_nsec = 0; + } + } + else + { + value->it_value.tv_sec = 0; + value->it_value.tv_nsec = 0; + } + + retval = 0; + } + else + __set_errno (EINVAL); + + return retval; +} -- cgit 1.4.1