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[/] [openrisc/] [trunk/] [gnu-stable/] [newlib-1.18.0/] [newlib/] [libc/] [sys/] [linux/] [linuxthreads/] [timer_gettime.c] - Rev 859
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/* Copyright (C) 2000 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 Library General Public License as published by the Free Software Foundation; either version 2 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with the GNU C Library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #include <errno.h> #include <pthread.h> #include <time.h> #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); timespec_sub (&value->it_value, &expiry, &now); } else { value->it_value.tv_sec = 0; value->it_value.tv_nsec = 0; } retval = 0; } else __set_errno (EINVAL); return retval; }
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