119 lines
2.7 KiB
C
119 lines
2.7 KiB
C
/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
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*
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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 the
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* GNU Library 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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*/
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/*
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* Test Description:
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* Verify that,
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* 1. pselect() fails with -1 return value and sets errno to EBADF
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* if a file descriptor that was already closed.
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* 2. pselect() fails with -1 return value and sets errno to EINVAL
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* if nfds was negative.
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* 3. pselect() fails with -1 return value and sets errno to EINVAL
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* if the value contained within timeout was invalid.
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*/
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#include <errno.h>
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#include "test.h"
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#include "safe_macros.h"
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TCID_DEFINE(pselect02);
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static fd_set read_fds;
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static struct timespec time_buf;
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static struct test_case_t {
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int nfds;
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fd_set *readfds;
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struct timespec *timeout;
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int exp_errno;
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} test_cases[] = {
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{128, &read_fds, NULL, EBADF},
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{-1, NULL, NULL, EINVAL},
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{128, NULL, &time_buf, EINVAL},
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};
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int TST_TOTAL = ARRAY_SIZE(test_cases);
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static void setup(void);
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static void cleanup(void);
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static void pselect_verify(const struct test_case_t *);
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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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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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for (i = 0; i < TST_TOTAL; i++)
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pselect_verify(&test_cases[i]);
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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int fd;
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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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tst_tmpdir();
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fd = SAFE_OPEN(cleanup, "test_file", O_RDWR | O_CREAT, 0777);
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FD_ZERO(&read_fds);
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FD_SET(fd, &read_fds);
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SAFE_CLOSE(cleanup, fd);
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time_buf.tv_sec = -1;
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time_buf.tv_nsec = 0;
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}
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static void pselect_verify(const struct test_case_t *test)
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{
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TEST(pselect(test->nfds, test->readfds, NULL, NULL, test->timeout,
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NULL));
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if (TEST_RETURN != -1) {
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tst_resm(TFAIL, "pselect() succeeded unexpectedly");
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return;
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}
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if (TEST_ERRNO == test->exp_errno) {
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tst_resm(TPASS | TTERRNO, "pselect() failed as expected");
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} else {
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tst_resm(TFAIL | TTERRNO,
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"pselect() failed unexpectedly; expected: %d - %s",
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test->exp_errno, strerror(test->exp_errno));
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}
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}
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static void cleanup(void)
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{
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tst_rmdir();
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}
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