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
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
// vim: ts=8 sw=2 smarttab
/*
* Ceph - scalable distributed file system
*
* Copyright (C) 2011 New Dream Network
*
* This is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software
* Foundation. See file COPYING.
*
*/
#include "include/compat.h"
#include "common/errno.h"
#include "systest_runnable.h"
#include "systest_settings.h"
#include <errno.h>
#include <pthread.h>
#include <sstream>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <string>
#ifndef _WIN32
#include <sys/syscall.h>
#include <sys/wait.h>
#endif
#include <sys/types.h>
#include <unistd.h>
#include <atomic>
#include <limits>
#include <vector>
using std::ostringstream;
using std::string;
static pid_t do_gettid(void)
{
#if defined(__linux__)
return static_cast < pid_t >(syscall(SYS_gettid));
#elif defined(_WIN32)
return static_cast < pid_t >(GetCurrentThreadId());
#else
return static_cast < pid_t >(pthread_getthreadid_np());
#endif
}
std::atomic<unsigned> m_highest_id = { 0 };
SysTestRunnable::
SysTestRunnable(int argc, const char **argv)
: m_argc(0),
m_argv(NULL),
m_argv_orig(NULL)
{
m_started = false;
m_id = ++m_highest_id;
memset(&m_pthread, 0, sizeof(m_pthread));
update_id_str(false);
set_argv(argc, argv);
}
SysTestRunnable::
~SysTestRunnable()
{
set_argv(0, NULL);
}
const char* SysTestRunnable::
get_id_str(void) const
{
return m_id_str;
}
int SysTestRunnable::
start()
{
if (m_started) {
return -EDOM;
}
int ret;
bool use_threads = SysTestSettings::inst().use_threads();
if (use_threads) {
ret = pthread_create(&m_pthread, NULL, systest_runnable_pthread_helper,
static_cast<void*>(this));
if (ret)
return ret;
m_started = true;
} else {
#ifdef _WIN32
printf("Using separate processes is not supported on Windows.\n");
return -1;
#else
std::string err_msg;
ret = preforker.prefork(err_msg);
if (ret < 0)
preforker.exit(ret);
if (preforker.is_child()) {
m_started = true;
void *retptr = systest_runnable_pthread_helper(static_cast<void*>(this));
preforker.exit((int)(uintptr_t)retptr);
} else {
m_started = true;
}
#endif
}
return 0;
}
std::string SysTestRunnable::
join()
{
if (!m_started) {
return "SysTestRunnable was never started.";
}
int ret;
bool use_threads = SysTestSettings::inst().use_threads();
if (use_threads) {
void *ptrretval;
ret = pthread_join(m_pthread, &ptrretval);
if (ret) {
ostringstream oss;
oss << "pthread_join failed with error " << ret;
return oss.str();
}
int retval = (int)(uintptr_t)ptrretval;
if (retval != 0) {
ostringstream oss;
oss << "ERROR " << retval;
return oss.str();
}
return "";
} else {
#ifdef _WIN32
return "Using separate processes is not supported on Windows.\n";
#else
std::string err_msg;
ret = preforker.parent_wait(err_msg);
return err_msg;
#endif
}
}
std::string SysTestRunnable::
run_until_finished(std::vector < SysTestRunnable * > &runnables)
{
int index = 0;
for (std::vector < SysTestRunnable * >::const_iterator r = runnables.begin();
r != runnables.end(); ++r) {
int ret = (*r)->start();
if (ret) {
ostringstream oss;
oss << "run_until_finished: got error " << ret
<< " when starting runnable " << index;
return oss.str();
}
++index;
}
for (std::vector < SysTestRunnable * >::const_iterator r = runnables.begin();
r != runnables.end(); ++r) {
std::string rstr = (*r)->join();
if (!rstr.empty()) {
ostringstream oss;
oss << "run_until_finished: runnable " << (*r)->get_id_str()
<< ": got error: " << rstr;
return oss.str();
}
}
printf("*******************************\n");
return "";
}
void *systest_runnable_pthread_helper(void *arg)
{
SysTestRunnable *st = static_cast < SysTestRunnable * >(arg);
st->update_id_str(true);
printf("%s: starting.\n", st->get_id_str());
int ret = st->run();
printf("%s: shutting down.\n", st->get_id_str());
return (void*)(uintptr_t)ret;
}
void SysTestRunnable::
update_id_str(bool started)
{
bool use_threads = SysTestSettings::inst().use_threads();
char extra[std::numeric_limits<int>::digits10 + 1];
extra[0] = '\0';
if (started) {
if (use_threads)
snprintf(extra, sizeof(extra), "_[%d]", do_gettid());
else
snprintf(extra, sizeof(extra), "_[%d]", getpid());
}
if (use_threads)
snprintf(m_id_str, SysTestRunnable::ID_STR_SZ, "thread_%d%s", m_id, extra);
else
snprintf(m_id_str, SysTestRunnable::ID_STR_SZ, "process_%d%s", m_id, extra);
}
// Copy argv so that if some fiend decides to modify it, it's ok.
void SysTestRunnable::
set_argv(int argc, const char **argv)
{
if (m_argv_orig != NULL) {
for (int i = 0; i < m_argc; ++i)
free((void*)(m_argv_orig[i]));
delete[] m_argv_orig;
m_argv_orig = NULL;
delete[] m_argv;
m_argv = NULL;
m_argc = 0;
}
if (argv == NULL)
return;
m_argc = argc;
m_argv_orig = new const char*[m_argc+1];
for (int i = 0; i < m_argc; ++i)
m_argv_orig[i] = strdup(argv[i]);
m_argv_orig[argc] = NULL;
m_argv = new const char*[m_argc+1];
for (int i = 0; i <= m_argc; ++i)
m_argv[i] = m_argv_orig[i];
}
|
