| /* |
| * |
| * Copyright (c) Red Hat Inc., 2007 |
| * |
| * 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 |
| */ |
| |
| /* |
| * NAME |
| * posix_fadvise04.c |
| * |
| * DESCRIPTION |
| * Check the value that posix_fadvise returns for pipe descriptor. |
| * |
| * USAGE |
| * posix_fadvise04 |
| * |
| * HISTORY |
| * 11/2007 Initial version by Masatake YAMATO <yamato@redhat.com> |
| * |
| * RESTRICTIONS |
| * None |
| */ |
| |
| #define _XOPEN_SOURCE 600 |
| #include <fcntl.h> |
| #include <unistd.h> |
| #include <signal.h> |
| #include <errno.h> |
| #include "test.h" |
| #include "linux_syscall_numbers.h" |
| #ifndef _FILE_OFFSET_BITS |
| #define _FILE_OFFSET_BITS 32 |
| #endif |
| |
| #ifndef __NR_fadvise64 |
| #define __NR_fadvise64 0 |
| #endif |
| |
| void setup(); |
| void cleanup(); |
| |
| TCID_DEFINE(posix_fadvise04); |
| |
| #define GIVEN_IN_SETUP 42 /* No mean. Just used as padding. |
| This is overwritten by setup(). */ |
| |
| struct test_case_t { |
| int fd; |
| off_t offset; |
| off_t len; |
| int advice; |
| int error; |
| } TC[] = { |
| { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NORMAL, ESPIPE}, { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_SEQUENTIAL, ESPIPE}, { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_RANDOM, ESPIPE}, { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_NOREUSE, ESPIPE}, { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_WILLNEED, ESPIPE}, { |
| GIVEN_IN_SETUP, 0, 0, POSIX_FADV_DONTNEED, ESPIPE},}; |
| |
| int TST_TOTAL = sizeof(TC) / sizeof(TC[0]); |
| |
| int main(int ac, char **av) |
| { |
| int lc; |
| const char *msg; |
| int i; |
| |
| /* Check this system has fadvise64 system which is used |
| in posix_fadvise. */ |
| if ((_FILE_OFFSET_BITS != 64) && (__NR_fadvise64 == 0)) { |
| tst_resm(TWARN, |
| "This test can only run on kernels that implements "); |
| tst_resm(TWARN, "fadvise64 which is used from posix_fadvise"); |
| exit(0); |
| } |
| |
| /* Disable test if the version of the kernel is less than 2.6.16 */ |
| if ((tst_kvercmp(2, 6, 16)) < 0) { |
| tst_resm(TWARN, "This test can only run on kernels that are "); |
| tst_resm(TWARN, "2.6.16 and higher"); |
| exit(0); |
| } |
| |
| /* |
| * parse standard options |
| */ |
| if ((msg = parse_opts(ac, av, NULL, NULL)) != NULL) |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| |
| /* |
| * perform global setup for test |
| */ |
| setup(); |
| |
| /* |
| * check looping state if -i option given on the command line |
| */ |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| |
| tst_count = 0; |
| |
| /* loop through the test cases */ |
| for (i = 0; i < TST_TOTAL; i++) { |
| |
| TEST(posix_fadvise |
| (TC[i].fd, TC[i].offset, TC[i].len, TC[i].advice)); |
| |
| if (TEST_RETURN == 0) { |
| tst_resm(TFAIL, "call succeeded unexpectedly"); |
| continue; |
| } |
| |
| /* Man page says: |
| "On error, an error number is returned." */ |
| if (TEST_RETURN == TC[i].error) { |
| tst_resm(TPASS, "expected failure - " |
| "returned value = %ld : %s", |
| TEST_RETURN, strerror(TEST_RETURN)); |
| } else { |
| tst_resm(TFAIL, |
| "unexpected return value - %ld : %s - " |
| "expected %d", TEST_RETURN, |
| strerror(TEST_RETURN), TC[i].error); |
| } |
| } |
| } |
| |
| /* |
| * cleanup and exit |
| */ |
| cleanup(); |
| |
| tst_exit(); |
| } |
| |
| /* |
| * setup() - performs all ONE TIME setup for this test. |
| */ |
| void setup(void) |
| { |
| int pipedes[2]; |
| |
| tst_sig(NOFORK, DEF_HANDLER, cleanup); |
| |
| TEST_PAUSE; |
| |
| /* Make a pipe */ |
| if (pipe(pipedes) != 0) { |
| tst_brkm(TBROK, cleanup, |
| "Untable to make a pipe: %s\n", strerror(errno)); |
| } else { |
| int i; |
| |
| /* Close write side first. |
| I don't use it in test. */ |
| close(pipedes[1]); |
| |
| /* Fill fd field of all test cases |
| with read side of pipe. */ |
| for (i = 0; i < TST_TOTAL; i++) { |
| TC[i].fd = pipedes[0]; |
| } |
| } |
| } |
| |
| /* |
| * cleanup() - performs all ONE TIME cleanup for this test at |
| * completion or premature exit. |
| */ |
| void cleanup(void) |
| { |
| |
| /* Close pipe of read side */ |
| close(TC[0].fd); |
| |
| } |