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e3622a8f39
Container management default seccomp filter [1] only accepts clock_settime if process has also CAP_SYS_TIME. So also handle EPERM as well. Also adapt the test to libsupport and add a proper Copyright header. Checked on aarch64-linux-gnu. Reviewed-by: Carlos O'Donell <carlos@redhat.com>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/* Test setting the monotonic clock.
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Copyright (C) 2007-2023 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, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <support/check.h>
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#include <time.h>
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#include <unistd.h>
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int
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do_test (void)
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{
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#if defined CLOCK_MONOTONIC && defined _POSIX_MONOTONIC_CLOCK
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if (sysconf (_SC_MONOTONIC_CLOCK) <= 0)
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FAIL_UNSUPPORTED ("_SC_MONOTONIC_CLOCK not supported");
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struct timespec ts;
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TEST_COMPARE (clock_gettime (CLOCK_MONOTONIC, &ts), 0);
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/* Setting the monotonic clock must fail. */
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TEST_VERIFY (clock_settime (CLOCK_MONOTONIC, &ts) == -1);
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TEST_VERIFY (errno == EINVAL || errno == EPERM);
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return 0;
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#else
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return EXIT_UNSUPPORTED;
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#endif
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}
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#include <support/test-driver.c>
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