106 lines
2.0 KiB
C
106 lines
2.0 KiB
C
/*
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* Copyright (c) 2014 Fujitsu Ltd.
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* Author: Zeng Linggang <zenglg.jy@cn.fujitsu.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of version 2 of the GNU General Public License as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it would be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program.
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*/
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/*
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* DESCRIPTION
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* Basic test for modify_ldt(2) using func=0 argument.
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*/
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#include "config.h"
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#include "test.h"
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char *TCID = "modify_ldt03";
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int TST_TOTAL = 1;
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#if defined(__i386__) && defined(HAVE_MODIFY_LDT)
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#ifdef HAVE_ASM_LDT_H
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# include <asm/ldt.h>
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#endif
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extern int modify_ldt(int, void *, unsigned long);
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#include <asm/unistd.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <errno.h>
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#include "safe_macros.h"
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#ifdef HAVE_STRUCT_USER_DESC
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# define SIZE sizeof(struct user_desc)
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#else
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# define SIZE 16
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#endif
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static char buf[SIZE];
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static void cleanup(void);
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static void setup(void);
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int main(int ac, char **av)
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{
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int lc;
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tst_parse_opts(ac, av, NULL, NULL);
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setup();
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for (lc = 0; TEST_LOOPING(lc); lc++) {
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tst_count = 0;
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TEST(modify_ldt(0, buf, SIZE));
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if (TEST_RETURN < 0) {
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tst_resm(TFAIL | TTERRNO,
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"modify_ldt() failed with errno: %s",
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strerror(TEST_ERRNO));
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} else {
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tst_resm(TPASS, "modify_ldt() tested success");
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}
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}
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cleanup();
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tst_exit();
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}
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static void setup(void)
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{
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tst_sig(NOFORK, DEF_HANDLER, cleanup);
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TEST_PAUSE;
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}
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static void cleanup(void)
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{
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}
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#elif HAVE_MODIFY_LDT
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int main(void)
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{
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tst_brkm(TCONF,
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NULL, "modify_ldt is available but not tested on the platform than "
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"__i386__");
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}
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#else /* if defined(__i386__) */
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int main(void)
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{
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tst_resm(TINFO, "modify_ldt03 test only for ix86");
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tst_exit();
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}
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#endif /* if defined(__i386__) */
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