1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright(c) 2010-2014 Intel Corporation
3 */
4
5 #include <stdio.h>
6 #include <stdint.h>
7 #include <sys/wait.h>
8 #include <unistd.h>
9
10 #include <rte_debug.h>
11 #include <rte_common.h>
12 #include <rte_eal.h>
13 #include <rte_service_component.h>
14
15 #include "test.h"
16
17 /*
18 * Debug test
19 * ==========
20 */
21
22 /* use fork() to test rte_panic() */
23 static int
test_panic(void)24 test_panic(void)
25 {
26 int pid;
27 int status;
28
29 pid = fork();
30
31 if (pid == 0)
32 rte_panic("Test Debug\n");
33 else if (pid < 0){
34 printf("Fork Failed\n");
35 return -1;
36 }
37 wait(&status);
38 if(status == 0){
39 printf("Child process terminated normally!\n");
40 return -1;
41 } else
42 printf("Child process terminated as expected - Test passed!\n");
43
44 return 0;
45 }
46
47 /* use fork() to test rte_exit() */
48 static int
test_exit_val(int exit_val)49 test_exit_val(int exit_val)
50 {
51 int pid;
52 int status;
53
54 /* manually cleanup EAL memory, as the fork() below would otherwise
55 * cause the same hugepages to be free()-ed multiple times.
56 */
57 rte_service_finalize();
58
59 pid = fork();
60
61 if (pid == 0)
62 rte_exit(exit_val, __func__);
63 else if (pid < 0){
64 printf("Fork Failed\n");
65 return -1;
66 }
67 wait(&status);
68 printf("Child process status: %d\n", status);
69 if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){
70 printf("Child process terminated with incorrect status (expected = %d)!\n",
71 exit_val);
72 return -1;
73 }
74 return 0;
75 }
76
77 static int
test_exit(void)78 test_exit(void)
79 {
80 int test_vals[] = { 0, 1, 2, 255, -1 };
81 unsigned i;
82 for (i = 0; i < RTE_DIM(test_vals); i++) {
83 if (test_exit_val(test_vals[i]) < 0)
84 return -1;
85 }
86 printf("%s Passed\n", __func__);
87 return 0;
88 }
89
90 static void
dummy_app_usage(const char * progname)91 dummy_app_usage(const char *progname)
92 {
93 RTE_SET_USED(progname);
94 }
95
96 static int
test_usage(void)97 test_usage(void)
98 {
99 if (rte_set_application_usage_hook(dummy_app_usage) != NULL) {
100 printf("Non-NULL value returned for initial usage hook\n");
101 return -1;
102 }
103 if (rte_set_application_usage_hook(NULL) != dummy_app_usage) {
104 printf("Incorrect value returned for application usage hook\n");
105 return -1;
106 }
107 return 0;
108 }
109
110 static int
test_debug(void)111 test_debug(void)
112 {
113 rte_dump_stack();
114 if (test_panic() < 0)
115 return -1;
116 if (test_exit() < 0)
117 return -1;
118 if (test_usage() < 0)
119 return -1;
120 return 0;
121 }
122
123 REGISTER_TEST_COMMAND(debug_autotest, test_debug);
124