1 /* 2 * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org> 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the author may not be used to endorse or promote products 14 * derived from this software without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #include "tests.h" 29 #include <asm/unistd.h> 30 #include "scno.h" 31 32 #ifdef __NR_membarrier 33 34 # include <assert.h> 35 # include <errno.h> 36 # include <stdio.h> 37 # include <unistd.h> 38 39 int 40 main(void) 41 { 42 assert(syscall(__NR_membarrier, 3, 255) == -1); 43 int saved_errno = errno; 44 printf("membarrier(0x3 /* MEMBARRIER_CMD_??? */, 255) = %s\n", 45 sprintrc(-1)); 46 if (saved_errno != ENOSYS) { 47 /* the test needs to be updated? */ 48 assert(syscall(__NR_membarrier, 0, 0) == 1); 49 puts("membarrier(MEMBARRIER_CMD_QUERY, 0)" 50 " = 0x1 (MEMBARRIER_CMD_SHARED)"); 51 } 52 puts("+++ exited with 0 +++"); 53 return 0; 54 } 55 56 #else 57 58 SKIP_MAIN_UNDEFINED("__NR_membarrier") 59 60 #endif 61
