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/*
* Copyright (c) 2015-2017 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2015-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <asm/unistd.h>
#include "scno.h"
#ifdef __NR_membarrier
# include <assert.h>
# include <errno.h>
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
assert(syscall(__NR_membarrier, 3, 255) == -1);
int saved_errno = errno;
printf("membarrier(0x3 /* MEMBARRIER_CMD_??? */, 255) = %s\n",
sprintrc(-1));
if (saved_errno != ENOSYS) {
const char *text_global;
const char *text;
int rc = syscall(__NR_membarrier, 0, 0);
assert(rc >= 0);
text_global = rc & 1 ? "MEMBARRIER_CMD_GLOBAL" : "";
switch (rc & ~1) {
case 0:
text = "";
break;
case 8:
text = "MEMBARRIER_CMD_PRIVATE_EXPEDITED";
break;
case 8|16:
text = "MEMBARRIER_CMD_PRIVATE_EXPEDITED|"
"MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED";
break;
case 2|4|8|16:
text = "MEMBARRIER_CMD_GLOBAL_EXPEDITED|"
"MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED|"
"MEMBARRIER_CMD_PRIVATE_EXPEDITED|"
"MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED";
break;
case 2|4|8|16|32|64:
text = "MEMBARRIER_CMD_GLOBAL_EXPEDITED|"
"MEMBARRIER_CMD_REGISTER_GLOBAL_EXPEDITED|"
"MEMBARRIER_CMD_PRIVATE_EXPEDITED|"
"MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED|"
"MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE|"
"MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE";
break;
default:
error_msg_and_fail("membarrier returned %#x, does"
" the test have to be updated?", rc);
}
printf("membarrier(MEMBARRIER_CMD_QUERY, 0) = %#x (%s%s%s)\n",
rc, text_global, text[0] && text_global[0] ? "|" : "",
text);
}
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_membarrier")
#endif
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