1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdint.h> 36 #include <sys/wait.h> 37 #include <unistd.h> 38 39 #include <rte_debug.h> 40 #include <rte_common.h> 41 #include <rte_eal.h> 42 43 #include "test.h" 44 45 /* 46 * Debug test 47 * ========== 48 */ 49 50 /* use fork() to test rte_panic() */ 51 static int 52 test_panic(void) 53 { 54 int pid; 55 int status; 56 57 pid = fork(); 58 59 if (pid == 0) 60 rte_panic("Test Debug\n"); 61 else if (pid < 0){ 62 printf("Fork Failed\n"); 63 return -1; 64 } 65 wait(&status); 66 if(status == 0){ 67 printf("Child process terminated normally!\n"); 68 return -1; 69 } else 70 printf("Child process terminated as expected - Test passed!\n"); 71 72 return 0; 73 } 74 75 /* use fork() to test rte_exit() */ 76 static int 77 test_exit_val(int exit_val) 78 { 79 int pid; 80 int status; 81 82 pid = fork(); 83 84 if (pid == 0) 85 rte_exit(exit_val, __func__); 86 else if (pid < 0){ 87 printf("Fork Failed\n"); 88 return -1; 89 } 90 wait(&status); 91 printf("Child process status: %d\n", status); 92 #ifndef RTE_EAL_ALWAYS_PANIC_ON_ERROR 93 if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){ 94 printf("Child process terminated with incorrect status (expected = %d)!\n", 95 exit_val); 96 return -1; 97 } 98 #endif 99 return 0; 100 } 101 102 static int 103 test_exit(void) 104 { 105 int test_vals[] = { 0, 1, 2, 255, -1 }; 106 unsigned i; 107 for (i = 0; i < sizeof(test_vals) / sizeof(test_vals[0]); i++){ 108 if (test_exit_val(test_vals[i]) < 0) 109 return -1; 110 } 111 printf("%s Passed\n", __func__); 112 return 0; 113 } 114 115 static void 116 dummy_app_usage(const char *progname) 117 { 118 RTE_SET_USED(progname); 119 } 120 121 static int 122 test_usage(void) 123 { 124 if (rte_set_application_usage_hook(dummy_app_usage) != NULL) { 125 printf("Non-NULL value returned for initial usage hook\n"); 126 return -1; 127 } 128 if (rte_set_application_usage_hook(NULL) != dummy_app_usage) { 129 printf("Incorrect value returned for application usage hook\n"); 130 return -1; 131 } 132 return 0; 133 } 134 135 static int 136 test_debug(void) 137 { 138 rte_dump_stack(); 139 rte_dump_registers(); 140 if (test_panic() < 0) 141 return -1; 142 if (test_exit() < 0) 143 return -1; 144 if (test_usage() < 0) 145 return -1; 146 return 0; 147 } 148 149 REGISTER_TEST_COMMAND(debug_autotest, test_debug); 150