1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
|
/* test-threads.c
As per test-combination.c, construct a test case by combining other test
cases, to try to shake out state issues. However each test runs in a
separate thread. */
#include <pthread.h>
#include <stdarg.h>
#include <stdio.h>
/* dejagnu.h isn't thread-safe; there's a shared "buffer", and the counts
of "passed"/"failed" etc are globals.
We get around this by putting a mutex around pass/fail calls.
*/
static pthread_mutex_t dg_mutex = PTHREAD_MUTEX_INITIALIZER;
/* By defining MAKE_DEJAGNU_H_THREADSAFE before we include harness.h,
harness.h injects macros before including <dejagnu.h> so that the
pass/fail functions become "dejagnu_pass"/"dejagnu_fail" etc. */
/* Forward decls of our implementations of pass/fail/note. */
inline void
pass (const char* fmt, ...);
inline void
fail (const char* fmt, ...);
inline void
note (const char* fmt, ...);
#define MAKE_DEJAGNU_H_THREADSAFE
/* We also need to provide our own version of TEST_NAME. */
#define TEST_NAME
/* We can now include all of the relevant selftests. */
#include "all-non-failing-tests.h"
#define TEST_PROVIDES_MAIN
#define TEST_ESCHEWS_TEST_JIT
/* Now construct a test case from all the other test cases.
We undefine COMBINED_TEST so that we can now include harness.h
"for real". */
#undef COMBINED_TEST
#include "harness.h"
/* We now provide our own implementations of "pass"/"fail"/"note", which
call the underlying dejagnu implementations, but with a mutex. */
inline void
pass (const char* fmt, ...)
{
va_list ap;
char buffer[512];
va_start (ap, fmt);
vsnprintf (buffer, sizeof (buffer), fmt, ap);
va_end (ap);
pthread_mutex_lock (&dg_mutex);
dejagnu_pass (buffer);
pthread_mutex_unlock (&dg_mutex);
}
inline void
fail (const char* fmt, ...)
{
va_list ap;
char buffer[512];
va_start (ap, fmt);
vsnprintf (buffer, sizeof (buffer), fmt, ap);
va_end (ap);
pthread_mutex_lock (&dg_mutex);
dejagnu_fail (buffer);
pthread_mutex_unlock (&dg_mutex);
}
inline void
note (const char* fmt, ...)
{
va_list ap;
char buffer[512];
va_start (ap, fmt);
vsnprintf (buffer, sizeof (buffer), fmt, ap);
va_end (ap);
pthread_mutex_lock (&dg_mutex);
dejagnu_note (buffer);
pthread_mutex_unlock (&dg_mutex);
}
struct thread_data
{
pthread_t m_tid;
const struct testcase *m_testcase;
};
static const char *argv0;
void *
run_threaded_test (void *data)
{
struct thread_data *thread = (struct thread_data *)data;
int i;
for (i = 0; i < 5; i++)
{
gcc_jit_context *ctxt;
gcc_jit_result *result;
note ("run_threaded_test: %s iteration: %d",
thread->m_testcase->m_name, i);
ctxt = gcc_jit_context_acquire ();
set_options (ctxt, argv0);
thread->m_testcase->m_hook_to_create_code (ctxt, NULL);
result = gcc_jit_context_compile (ctxt);
thread->m_testcase->m_hook_to_verify_code (ctxt, result);
gcc_jit_context_release (ctxt);
/* Once we're done with the code, this unloads the built .so file: */
gcc_jit_result_release (result);
}
return NULL;
}
int
main (int argc, char **argv)
{
int i;
snprintf (test, sizeof (test),
"%s",
extract_progname (argv[0]));
argv0 = argv[0];
/* The individual testcases are not thread-safe (some have their own
global variables), so we have one thread per test-case. */
struct thread_data *threads =
calloc (num_testcases, sizeof (struct thread_data));
/* Start a thread per test-case. */
for (i = 0; i < num_testcases; i++)
{
struct thread_data *thread = &threads[i];
thread->m_testcase = &testcases[i];
pthread_create (&thread->m_tid,
NULL,
run_threaded_test,
thread);
}
/* Wait for all the threads to be done. */
for (i = 0; i < num_testcases; i++)
{
struct thread_data *thread = &threads[i];
(void)pthread_join (thread->m_tid, NULL);
}
totals ();
return 0;
}
|
