| /* |
| * |
| * Copyright (c) International Business Machines Corp., 2001 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See |
| * the GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /* |
| * DESCRIPTION |
| * Testcase to check open(2) sets errno to ENXIO correctly. |
| * |
| * ALGORITHM |
| * Create a named pipe using mknod(2). Attempt to |
| * open(2) the pipe for writing. The open(2) should |
| * fail with ENXIO. |
| */ |
| #include <sys/types.h> |
| #include <sys/stat.h> |
| #include <fcntl.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include "test.h" |
| #include "usctest.h" |
| |
| char *TCID = "open06"; |
| int TST_TOTAL = 1; |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| static char fname[100] = "fifo"; |
| |
| static int exp_enos[] = { ENXIO, 0 }; |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| char *msg; |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| TEST_EXP_ENOS(exp_enos); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| TEST(open(fname, O_NONBLOCK | O_WRONLY)); |
| if (TEST_RETURN != -1) { |
| tst_resm(TFAIL, "open(2) succeeded unexpectedly"); |
| continue; |
| } |
| |
| TEST_ERROR_LOG(TEST_ERRNO); |
| |
| if (TEST_ERRNO != ENXIO) |
| tst_resm(TFAIL, "Expected ENXIO got %d", TEST_ERRNO); |
| else |
| tst_resm(TPASS, "call returned expected ENXIO error"); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| tst_tmpdir(); |
| |
| sprintf(fname, "%s.%d", fname, getpid()); |
| |
| if (mknod(fname, S_IFIFO | 0644, 0) == -1) |
| tst_brkm(TBROK, cleanup, "mknod FAILED"); |
| } |
| |
| static void cleanup(void) |
| { |
| TEST_CLEANUP; |
| |
| unlink(fname); |
| |
| tst_rmdir(); |
| } |