Blame gnulib/tests/test-usleep.c
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/* Test of usleep() function.
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Copyright (C) 2009-2019 Free Software Foundation, Inc.
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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/* Written by Eric Blake <ebb9@byu.net>, 2009. */
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#include <config.h>
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#include <unistd.h>
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#include "signature.h"
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SIGNATURE_CHECK (usleep, int, (useconds_t));
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#include <time.h>
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#include "macros.h"
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int
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main (void)
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{
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time_t start = time (NULL);
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ASSERT (usleep (1000000) == 0);
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ASSERT (start < time (NULL));
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ASSERT (usleep (0) == 0);
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return 0;
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}
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