78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
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/*
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* Copyright (C) 2015 Cyril Hrubis <chrubis@suse.cz>
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*
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* Licensed under the GNU GPLv2 or later.
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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 2 of the License, or
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* (at your option) any later version.
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*
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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
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* the GNU General Public License for more details.
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*
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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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* futex_wake() returns 0 (0 woken up processes) when no processes wait on the mutex.
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*/
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#include <errno.h>
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#include <limits.h>
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#include "test.h"
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#include "futextest.h"
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const char *TCID="futex_wake01";
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struct testcase {
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futex_t *f_addr;
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int nr_wake;
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int opflags;
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};
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static futex_t futex = FUTEX_INITIALIZER;
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static struct testcase testcases[] = {
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/* nr_wake = 0 is noop */
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{&futex, 0, 0},
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{&futex, 0, FUTEX_PRIVATE_FLAG},
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{&futex, 1, 0},
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{&futex, 1, FUTEX_PRIVATE_FLAG},
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{&futex, INT_MAX, 0},
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{&futex, INT_MAX, FUTEX_PRIVATE_FLAG},
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};
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const int TST_TOTAL=ARRAY_SIZE(testcases);
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static void verify_futex_wake(struct testcase *tc)
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{
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int res;
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res = futex_wake(tc->f_addr, tc->nr_wake, tc->opflags);
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if (res != 0) {
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tst_resm(TFAIL, "futex_wake() returned %i, expected 0", res);
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return;
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}
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tst_resm(TPASS, "futex_wake() returned 0");
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}
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int main(int argc, char *argv[])
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{
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int lc, i;
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tst_parse_opts(argc, argv, NULL, NULL);
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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for (i = 0; i < TST_TOTAL; i++)
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verify_futex_wake(testcases + i);
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}
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tst_exit();
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}
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