bpf: allow self-xor operation
[dpdk.git] / app / test / test_debug.c
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/resource.h>
8 #include <sys/time.h>
9 #include <sys/wait.h>
10 #include <unistd.h>
11
12 #include <rte_debug.h>
13 #include <rte_common.h>
14 #include <rte_eal.h>
15 #include <rte_service_component.h>
16
17 #include "test.h"
18
19 /*
20  * Debug test
21  * ==========
22  */
23
24 /* use fork() to test rte_panic() */
25 static int
26 test_panic(void)
27 {
28         int pid;
29         int status;
30
31         pid = fork();
32
33         if (pid == 0) {
34                 struct rlimit rl;
35
36                 /* No need to generate a coredump when panicking. */
37                 rl.rlim_cur = rl.rlim_max = 0;
38                 setrlimit(RLIMIT_CORE, &rl);
39                 rte_panic("Test Debug\n");
40         } else if (pid < 0) {
41                 printf("Fork Failed\n");
42                 return -1;
43         }
44         wait(&status);
45         if(status == 0){
46                 printf("Child process terminated normally!\n");
47                 return -1;
48         } else
49                 printf("Child process terminated as expected - Test passed!\n");
50
51         return 0;
52 }
53
54 /* use fork() to test rte_exit() */
55 static int
56 test_exit_val(int exit_val)
57 {
58         int pid;
59         int status;
60
61         /* manually cleanup EAL memory, as the fork() below would otherwise
62          * cause the same hugepages to be free()-ed multiple times.
63          */
64         rte_service_finalize();
65
66         pid = fork();
67
68         if (pid == 0)
69                 rte_exit(exit_val, __func__);
70         else if (pid < 0){
71                 printf("Fork Failed\n");
72                 return -1;
73         }
74         wait(&status);
75         printf("Child process status: %d\n", status);
76         if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){
77                 printf("Child process terminated with incorrect status (expected = %d)!\n",
78                                 exit_val);
79                 return -1;
80         }
81         return 0;
82 }
83
84 static int
85 test_exit(void)
86 {
87         int test_vals[] = { 0, 1, 2, 255, -1 };
88         unsigned i;
89         for (i = 0; i < RTE_DIM(test_vals); i++) {
90                 if (test_exit_val(test_vals[i]) < 0)
91                         return -1;
92         }
93         printf("%s Passed\n", __func__);
94         return 0;
95 }
96
97 static void
98 dummy_app_usage(const char *progname)
99 {
100         RTE_SET_USED(progname);
101 }
102
103 static int
104 test_usage(void)
105 {
106         if (rte_set_application_usage_hook(dummy_app_usage) != NULL) {
107                 printf("Non-NULL value returned for initial usage hook\n");
108                 return -1;
109         }
110         if (rte_set_application_usage_hook(NULL) != dummy_app_usage) {
111                 printf("Incorrect value returned for application usage hook\n");
112                 return -1;
113         }
114         return 0;
115 }
116
117 static int
118 test_debug(void)
119 {
120         rte_dump_stack();
121         if (test_panic() < 0)
122                 return -1;
123         if (test_exit() < 0)
124                 return -1;
125         if (test_usage() < 0)
126                 return -1;
127         return 0;
128 }
129
130 REGISTER_TEST_COMMAND(debug_autotest, test_debug);