125 lines
2.3 KiB
C
125 lines
2.3 KiB
C
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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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 Foundation,
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* 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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* Test that closing a regular file and a pipe works correctly
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*/
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#include <stdio.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include "test.h"
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#include "safe_macros.h"
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void cleanup(void);
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void setup(void);
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char *TCID = "close01";
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int TST_TOTAL = 2;
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char fname[40] = "";
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int fild, newfd, pipefildes[2];
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struct test_case_t {
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int *fd;
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char *type;
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} TC[] = {
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/* file descriptor for a regular file */
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{
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&newfd, "file"},
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/* file descriptor for a pipe */
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{
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&pipefildes[0], "pipe"}
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};
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int main(int ac, char **av)
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{
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int i;
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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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if ((fild = creat(fname, 0777)) == -1)
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tst_brkm(TBROK | TERRNO, cleanup, "can't open file %s",
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fname);
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if ((newfd = dup(fild)) == -1)
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tst_brkm(TBROK | TERRNO, cleanup,
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"can't dup the file des");
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SAFE_PIPE(cleanup, pipefildes);
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for (i = 0; i < TST_TOTAL; i++) {
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TEST(close(*TC[i].fd));
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if (TEST_RETURN == -1) {
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tst_resm(TFAIL, "call failed unexpectedly");
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continue;
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}
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if (close(*TC[i].fd) == -1) {
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tst_resm(TPASS, "%s appears closed",
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TC[i].type);
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} else {
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tst_resm(TFAIL, "%s close succeeded on"
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"second attempt", TC[i].type);
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}
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}
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}
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cleanup();
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tst_exit();
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}
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void setup(void)
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{
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int mypid;
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tst_sig(FORK, DEF_HANDLER, cleanup);
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umask(0);
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TEST_PAUSE;
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tst_tmpdir();
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mypid = getpid();
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sprintf(fname, "fname.%d", mypid);
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}
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void cleanup(void)
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{
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close(fild);
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tst_rmdir();
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}
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