| /* |
| * Copyright (c) 2014 Fujitsu Ltd. |
| * Author: Xiaoguang Wang <wangxg.fnst@cn.fujitsu.com> |
| * |
| * This program is free software; you can redistribute it and/or modify it |
| * under the terms of version 2 of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, but |
| * WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| */ |
| |
| /* |
| * Description: |
| * Verify that, |
| * Basic test for fcntl(2) using F_SETPIPE_SZ, F_GETPIPE_SZ argument. |
| */ |
| |
| |
| #include <stdio.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <string.h> |
| #include <signal.h> |
| #include <sys/types.h> |
| #include <pwd.h> |
| |
| #include "test.h" |
| #include "safe_macros.h" |
| #include "lapi/fcntl.h" |
| |
| char *TCID = "fcntl30"; |
| int TST_TOTAL = 1; |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| const char *msg; |
| int pipe_fds[2], test_fd; |
| int orig_pipe_size, new_pipe_size; |
| |
| |
| msg = parse_opts(ac, av, NULL, NULL); |
| if (msg != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| tst_count = 0; |
| |
| SAFE_PIPE(cleanup, pipe_fds); |
| test_fd = pipe_fds[1]; |
| |
| TEST(fcntl(test_fd, F_GETPIPE_SZ)); |
| if (TEST_RETURN < 0) { |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "fcntl get pipe size failed"); |
| } |
| |
| orig_pipe_size = TEST_RETURN; |
| new_pipe_size = orig_pipe_size * 2; |
| TEST(fcntl(test_fd, F_SETPIPE_SZ, new_pipe_size)); |
| if (TEST_RETURN < 0) { |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "fcntl test F_SETPIPE_SZ failed"); |
| } |
| |
| TEST(fcntl(test_fd, F_GETPIPE_SZ)); |
| if (TEST_RETURN < 0) { |
| tst_brkm(TFAIL | TTERRNO, cleanup, |
| "fcntl test F_GETPIPE_SZ failed"); |
| } |
| tst_resm(TINFO, "orig_pipe_size: %d new_pipe_size: %d", |
| orig_pipe_size, new_pipe_size); |
| if (TEST_RETURN >= new_pipe_size) { |
| tst_resm(TPASS, "fcntl test F_GETPIPE_SZ" |
| "and F_SETPIPE_SZ success"); |
| } else { |
| tst_resm(TFAIL, "fcntl test F_GETPIPE_SZ" |
| "and F_SETPIPE_SZ fail"); |
| } |
| SAFE_CLOSE(cleanup, pipe_fds[0]); |
| SAFE_CLOSE(cleanup, pipe_fds[1]); |
| } |
| |
| cleanup(); |
| tst_exit(); |
| } |
| |
| static void setup(void) |
| { |
| if ((tst_kvercmp(2, 6, 35)) < 0) { |
| tst_brkm(TCONF, NULL, "This test can only run on kernels" |
| "that are 2.6.35 and higher"); |
| } |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| } |
| |
| static void cleanup(void) |
| { |
| } |