1 /* 2 * Copyright (c) 2008 Vijay Kumar B. <vijaykumar (at) bravegnu.org> 3 * 4 * Based on testcases/kernel/syscalls/waitpid/waitpid01.c 5 * Original copyright message: 6 * 7 * Copyright (c) International Business Machines Corp., 2001 8 * 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 22 */ 23 24 /* 25 * NAME 26 * move_pages07.c 27 * 28 * DESCRIPTION 29 * Failure when PID is invalid. 30 * 31 * ALGORITHM 32 * 33 * 1. Pass a non-existent pid to move_pages(). 34 * 2. Check if errno is set to ESRCH. 35 * 36 * USAGE: <for command-line> 37 * move_pages07 [-c n] [-i n] [-I x] [-P x] [-t] 38 * where, -c n : Run n copies concurrently. 39 * -i n : Execute test n times. 40 * -I x : Execute test for x seconds. 41 * -P x : Pause for x seconds between iterations. 42 * -t : Turn on syscall timing. 43 * 44 * History 45 * 05/2008 Vijay Kumar 46 * Initial Version. 47 * 48 * Restrictions 49 * None 50 */ 51 52 #include <sys/mman.h> 53 #include <sys/types.h> 54 #include <sys/wait.h> 55 #include <unistd.h> 56 #include <errno.h> 57 #include "test.h" 58 #include "move_pages_support.h" 59 60 #define TEST_PAGES 2 61 #define TEST_NODES 2 62 63 void setup(void); 64 void cleanup(void); 65 66 char *TCID = "move_pages07"; 67 int TST_TOTAL = 1; 68 69 int main(int argc, char **argv) 70 { 71 72 tst_parse_opts(argc, argv, NULL, NULL); 73 74 setup(); 75 76 #if HAVE_NUMA_MOVE_PAGES 77 unsigned int i; 78 int lc; 79 unsigned int from_node; 80 unsigned int to_node; 81 int ret; 82 83 ret = get_allowed_nodes(NH_MEMS, 2, &from_node, &to_node); 84 if (ret < 0) 85 tst_brkm(TBROK | TERRNO, cleanup, "get_allowed_nodes: %d", ret); 86 87 /* check for looping state if -i option is given */ 88 for (lc = 0; TEST_LOOPING(lc); lc++) { 89 void *pages[TEST_PAGES] = { 0 }; 90 int nodes[TEST_PAGES]; 91 int status[TEST_PAGES]; 92 pid_t ipid; 93 94 /* reset tst_count in case we are looping */ 95 tst_count = 0; 96 97 ret = alloc_pages_on_node(pages, TEST_PAGES, from_node); 98 if (ret == -1) 99 continue; 100 101 for (i = 0; i < TEST_PAGES; i++) 102 nodes[i] = to_node; 103 104 ipid = tst_get_unused_pid(cleanup); 105 106 ret = numa_move_pages(ipid, TEST_PAGES, pages, nodes, 107 status, MPOL_MF_MOVE); 108 if (ret == -1 && errno == ESRCH) 109 tst_resm(TPASS, "move_pages failed with " 110 "ESRCH as expected"); 111 else 112 tst_resm(TFAIL|TERRNO, "move pages did not fail " 113 "with ESRCH ret: %d", ret); 114 115 free_pages(pages, TEST_PAGES); 116 } 117 #else 118 tst_resm(TCONF, "move_pages support not found."); 119 #endif 120 121 cleanup(); 122 tst_exit(); 123 124 } 125 126 /* 127 * setup() - performs all ONE TIME setup for this test 128 */ 129 void setup(void) 130 { 131 132 tst_sig(FORK, DEF_HANDLER, cleanup); 133 134 check_config(TEST_NODES); 135 136 /* Pause if that option was specified 137 * TEST_PAUSE contains the code to fork the test with the -c option. 138 */ 139 TEST_PAUSE; 140 } 141 142 /* 143 * cleanup() - performs all ONE TIME cleanup for this test at completion 144 */ 145 void cleanup(void) 146 { 147 148 } 149
