test/service: fix race condition on stopping lcore
[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/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
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
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 #ifndef RTE_EAL_ALWAYS_PANIC_ON_ERROR
70         if(!WIFEXITED(status) || WEXITSTATUS(status) != (uint8_t)exit_val){
71                 printf("Child process terminated with incorrect status (expected = %d)!\n",
72                                 exit_val);
73                 return -1;
74         }
75 #endif
76         return 0;
77 }
78
79 static int
80 test_exit(void)
81 {
82         int test_vals[] = { 0, 1, 2, 255, -1 };
83         unsigned i;
84         for (i = 0; i < RTE_DIM(test_vals); i++) {
85                 if (test_exit_val(test_vals[i]) < 0)
86                         return -1;
87         }
88         printf("%s Passed\n", __func__);
89         return 0;
90 }
91
92 static void
93 dummy_app_usage(const char *progname)
94 {
95         RTE_SET_USED(progname);
96 }
97
98 static int
99 test_usage(void)
100 {
101         if (rte_set_application_usage_hook(dummy_app_usage) != NULL) {
102                 printf("Non-NULL value returned for initial usage hook\n");
103                 return -1;
104         }
105         if (rte_set_application_usage_hook(NULL) != dummy_app_usage) {
106                 printf("Incorrect value returned for application usage hook\n");
107                 return -1;
108         }
109         return 0;
110 }
111
112 static int
113 test_debug(void)
114 {
115         rte_dump_stack();
116         rte_dump_registers();
117         if (test_panic() < 0)
118                 return -1;
119         if (test_exit() < 0)
120                 return -1;
121         if (test_usage() < 0)
122                 return -1;
123         return 0;
124 }
125
126 REGISTER_TEST_COMMAND(debug_autotest, test_debug);