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* sysdeps/pthread/Makefile: New file. Add rules to build timer functionality. * sysdeps/unix/sysv/linux/bits/local_lim.h: Add TIMER_MAX. 2000-06-04 Kaz Kylheku <kaz@ashi.footprints.net> * sysdeps/pthread/posix-timer.h: New file. * sysdeps/pthread/timer_create.c: New file. * sysdeps/pthread/timer_delete.c: New file. * sysdeps/pthread/timer_getoverr.c: New file. * sysdeps/pthread/timer_gettime.c: New file. * sysdeps/pthread/timer_routines.c: New file. * sysdeps/pthread/timer_settime.c: New file. * sysdeps/pthread/tst-timer.c: New file. 2000-06-08 Ulrich Drepper <drepper@redhat.com>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/* Copyright (C) 2000 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Kaz Kylheku <kaz@ashi.footprints.net>.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#include <errno.h>
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#include <pthread.h>
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#include <time.h>
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#include "posix-timer.h"
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/* Get current value of timer TIMERID and store it in VLAUE. */
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int
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timer_gettime (timerid, value)
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timer_t timerid;
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struct itimerspec *value;
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{
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struct timer_node *timer;
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struct timespec now;
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int retval = -1;
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pthread_mutex_lock (&__timer_mutex);
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timer = timer_id2ptr (timerid);
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if (timer == NULL)
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/* Invalid timer ID or the timer is not in use. */
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errno = EINVAL;
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else
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{
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value->it_interval = timer->value.it_interval;
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if (timer->armed)
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{
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clock_gettime (timer->clock, &now);
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timespec_sub (&value->it_value, &timer->expirytime, &now);
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}
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else
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{
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value->it_value.tv_sec = 0;
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value->it_value.tv_nsec = 0;
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}
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retval = 0;
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}
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pthread_mutex_lock (&__timer_mutex);
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return retval;
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}
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