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59 lines
1.6 KiB
C
59 lines
1.6 KiB
C
/* Copyright (C) 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <errno.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/time.h>
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#include <time.h>
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/* Test that clock_nanosleep() does sleep. */
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static int
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do_test (void)
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{
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/* Current time. */
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struct timeval tv1;
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(void) gettimeofday (&tv1, NULL);
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struct timespec ts;
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ts.tv_sec = 1;
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ts.tv_nsec = 0;
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TEMP_FAILURE_RETRY (clock_nanosleep (CLOCK_REALTIME, 0, &ts, &ts));
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/* At least one second must have passed. */
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struct timeval tv2;
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(void) gettimeofday (&tv2, NULL);
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tv2.tv_sec -= tv1.tv_sec;
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tv2.tv_usec -= tv1.tv_usec;
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if (tv2.tv_usec < 0)
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--tv2.tv_sec;
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if (tv2.tv_sec < 1)
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{
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puts ("clock_nanosleep didn't sleep long enough");
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return 1;
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}
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return 0;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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