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124 lines
3.0 KiB
124 lines
3.0 KiB
/*
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* Copyright (c) 2013 Oracle and/or its affiliates. All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it would 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 the
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* 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 the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Author: Alexey Kodanev <alexey.kodanev@oracle.com>
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*
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*/
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include "test.h"
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#include "ltp_priv.h"
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#include "old_module.h"
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void tst_module_exists(void (cleanup_fn)(void),
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const char *mod_name, char **mod_path)
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{
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/* check current working directory */
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if (access(mod_name, F_OK) == 0) {
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if (mod_path != NULL)
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*mod_path = strdup(mod_name);
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return;
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}
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char *buf = NULL;
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int err = -1;
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/* check LTP installation path */
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const char *ltproot = getenv("LTPROOT");
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if (ltproot != NULL) {
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if (asprintf(&buf, "%s/testcases/bin/%s",
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ltproot, mod_name) == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"asprintf failed at %s:%d",
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__FILE__, __LINE__);
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return;
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}
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err = access(buf, F_OK);
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}
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/* check start working directory */
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if (err == -1 && tst_tmpdir_created()) {
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free(buf);
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if (asprintf(&buf, "%s/%s", tst_get_startwd(),
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mod_name) == -1) {
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tst_brkm(TBROK | TERRNO, cleanup_fn,
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"asprintf failed at %s:%d",
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__FILE__, __LINE__);
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return;
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}
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err = access(buf, F_OK);
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}
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if (err != 0) {
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free(buf);
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tst_brkm(TCONF, cleanup_fn, "Failed to find module '%s'",
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mod_name);
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return;
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}
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if (mod_path != NULL)
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*mod_path = buf;
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else
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free(buf);
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}
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void tst_module_load(void (cleanup_fn)(void),
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const char *mod_name, char *const argv[])
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{
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char *mod_path = NULL;
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tst_module_exists(cleanup_fn, mod_name, &mod_path);
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const int offset = 2; /* command name & module path */
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int size = 0;
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while (argv && argv[size])
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++size;
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size += offset;
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const char *mod_argv[size + 1]; /* + NULL in the end */
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mod_argv[size] = NULL;
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mod_argv[0] = "insmod";
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mod_argv[1] = mod_path;
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int i;
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for (i = offset; i < size; ++i)
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mod_argv[i] = argv[i - offset];
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tst_run_cmd(cleanup_fn, mod_argv, NULL, NULL, 0);
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free(mod_path);
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}
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void tst_module_unload(void (cleanup_fn)(void), const char *mod_name)
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{
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int i, rc;
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const char *const argv[] = { "rmmod", mod_name, NULL };
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rc = 1;
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for (i = 0; i < 50; i++) {
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rc = tst_run_cmd(NULL, argv, "/dev/null", "/dev/null", 1);
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if (!rc)
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break;
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usleep(20000);
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}
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if (rc) {
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tst_brkm(TBROK, cleanup_fn,
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"could not unload %s module", mod_name);
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}
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}
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