91 lines
2.0 KiB
C
91 lines
2.0 KiB
C
/*
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*
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* Copyright (c) International Business Machines Corp., 2001
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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
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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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* DESCRIPTION
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* Testcase to check open(2) sets errno to ENXIO correctly.
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*
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* ALGORITHM
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* Create a named pipe using mknod(2). Attempt to
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* open(2) the pipe for writing. The open(2) should
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* fail with ENXIO.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <unistd.h>
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#include "test.h"
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char *TCID = "open06";
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int TST_TOTAL = 1;
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static void setup(void);
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static void cleanup(void);
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static char fname[100] = "fifo";
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int main(int ac, char **av)
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{
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int lc;
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tst_parse_opts(ac, av, 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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TEST(open(fname, O_NONBLOCK | O_WRONLY));
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if (TEST_RETURN != -1) {
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tst_resm(TFAIL, "open(2) succeeded unexpectedly");
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continue;
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}
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if (TEST_ERRNO != ENXIO)
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tst_resm(TFAIL, "Expected ENXIO got %d", TEST_ERRNO);
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else
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tst_resm(TPASS, "call returned expected ENXIO error");
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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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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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tst_tmpdir();
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sprintf(fname, "%s.%d", fname, getpid());
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if (mknod(fname, S_IFIFO | 0644, 0) == -1)
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tst_brkm(TBROK, cleanup, "mknod FAILED");
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}
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static void cleanup(void)
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{
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unlink(fname);
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tst_rmdir();
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}
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