| /* |
| * Copyright (c) Wipro Technologies Ltd, 2002. All Rights Reserved. |
| * |
| * 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. |
| * |
| */ |
| /********************************************************** |
| * |
| * TEST IDENTIFIER : query_module02 |
| * |
| * EXECUTED BY : anyone |
| * |
| * TEST TITLE : Checking error conditions for query_module(2) |
| * |
| * TEST CASE TOTAL : 5 |
| * |
| * AUTHOR : Madhu T L <madhu.tarikere@wipro.com> |
| * |
| * SIGNALS |
| * Uses SIGUSR1 to pause before test if option set. |
| * (See the parse_opts(3) man page). |
| * |
| * DESCRIPTION |
| * Verify that, |
| * 1. query_module(2) returns -1 and sets errno to ENOENT for non-existing |
| * module. |
| * 2. query_module(2) returns -1 and sets errno to EINVAL for invalid |
| * which argument. |
| * 3. query_module(2) returns -1 and sets errno to EINVAL for NULL |
| * module name and valid which argument. |
| * 4. query_module(2) returns -1 and sets errno to EINVAL, if module |
| * name parameter is null terminated (zero length) string. |
| * 5. query_module(2) returns -1 and sets errno to ENAMETOOLONG for long |
| * module name. |
| * |
| * Setup: |
| * Setup signal handling. |
| * Initialize long module name |
| * Set expected errnos for logging |
| * Pause for SIGUSR1 if option specified. |
| * |
| * Test: |
| * Loop if the proper options are given. |
| * Execute system call |
| * Check return code and error number, if matching, |
| * Issue PASS message |
| * Otherwise, |
| * Issue FAIL message |
| * |
| * Cleanup: |
| * Print errno log and/or timing stats if options given |
| * |
| * USAGE: <for command-line> |
| * query_module02 [-c n] [-e] [-f] [-h] [-i n] [-I x] [-p] [-P x] [-t] |
| * where, -c n : Run n copies concurrently. |
| * -e : Turn on errno logging. |
| * -f : Turn off functional testing |
| * -h : Show help screen |
| * -i n : Execute test n times. |
| * -I x : Execute test for x seconds. |
| * -p : Pause for SIGUSR1 before starting |
| * -P x : Pause for x seconds between iterations. |
| * -t : Turn on syscall timing. |
| * |
| ****************************************************************/ |
| |
| #include <errno.h> |
| #include <pwd.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| #include <limits.h> |
| #include <asm/atomic.h> |
| #include <linux/module.h> |
| #include "test.h" |
| |
| #ifndef PAGE_SIZE |
| #define PAGE_SIZE sysconf(_SC_PAGE_SIZE) |
| #endif |
| |
| #define NULLMODNAME "" |
| #define LONGMODNAMECHAR 'm' /* Arbitrarily selected */ |
| #define MODNAMEMAX (PAGE_SIZE + 1) |
| #define EXP_RET_VAL -1 |
| #define QM_INVALID (QM_INFO + 100) |
| |
| struct test_case_t { /* test case structure */ |
| char *modname; |
| int which; |
| void *buf; |
| size_t bufsize; |
| int experrno; /* expected errno */ |
| char *desc; |
| }; |
| |
| char *TCID = "query_module02"; |
| |
| static char longmodname[MODNAMEMAX]; |
| static int testno; |
| static char out_buf[PAGE_SIZE]; |
| static size_t ret_size; |
| |
| static void setup(void); |
| static void cleanup(void); |
| |
| static struct test_case_t tdat[] = { |
| |
| {"dummy_mod", QM_REFS, (void *)out_buf, sizeof(out_buf), ENOENT, |
| "results for non-existing module"} |
| , |
| |
| {NULL, QM_INVALID, (void *)out_buf, sizeof(out_buf), EINVAL, |
| "results for invalid which argument"} |
| , |
| |
| {NULL, QM_REFS, (void *)out_buf, sizeof(out_buf), EINVAL, |
| "results for NULL module name and valid which argument"} |
| , |
| |
| {NULLMODNAME, QM_REFS, (void *)out_buf, sizeof(out_buf), EINVAL, |
| "results for null terminated (zero lenght) module name"} |
| , |
| |
| {longmodname, QM_REFS, (void *)out_buf, sizeof(out_buf), ENAMETOOLONG, |
| "results for long module name"} |
| , |
| }; |
| |
| int TST_TOTAL = sizeof(tdat) / sizeof(tdat[0]); |
| |
| int main(int argc, char **argv) |
| { |
| int lc; |
| const char *msg; |
| |
| if ((msg = parse_opts(argc, argv, NULL, NULL)) != NULL) { |
| tst_brkm(TBROK, NULL, "OPTION PARSING ERROR - %s", msg); |
| } |
| |
| setup(); |
| |
| for (lc = 0; TEST_LOOPING(lc); lc++) { |
| /* reset tst_count in case we are looping */ |
| tst_count = 0; |
| |
| for (testno = 0; testno < TST_TOTAL; ++testno) { |
| |
| TEST(query_module(tdat[testno].modname, |
| tdat[testno].which, tdat[testno].buf, |
| tdat[testno].bufsize, &ret_size)); |
| if ((TEST_RETURN == EXP_RET_VAL) && |
| (TEST_ERRNO == tdat[testno].experrno)) { |
| tst_resm(TPASS, "Expected %s, errno: %d", |
| tdat[testno].desc, TEST_ERRNO); |
| } else { |
| tst_resm(TFAIL, "Unexpected %s ; returned" |
| " %d (expected %d), errno %d (expected" |
| " %d)", tdat[testno].desc, |
| TEST_RETURN, EXP_RET_VAL, |
| TEST_ERRNO, tdat[testno].experrno); |
| } |
| } |
| } |
| cleanup(); |
| |
| tst_exit(); |
| } |
| |
| /* |
| * setup() |
| * performs all ONE TIME setup for this test |
| */ |
| void setup(void) |
| { |
| |
| tst_sig(FORK, DEF_HANDLER, cleanup); |
| |
| if (tst_kvercmp(2, 5, 48) >= 0) |
| tst_brkm(TCONF, NULL, "This test will not work on " |
| "kernels after 2.5.48"); |
| |
| /* Initialize longmodname to LONGMODNAMECHAR character */ |
| memset(longmodname, LONGMODNAMECHAR, MODNAMEMAX - 1); |
| |
| /* Pause if that option was specified |
| * TEST_PAUSE contains the code to fork the test with the -c option. |
| */ |
| TEST_PAUSE; |
| } |
| |
| /* |
| * cleanup() |
| * performs all ONE TIME cleanup for this test at |
| * completion or premature exit |
| */ |
| void cleanup(void) |
| { |
| |
| } |