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
|
/*
* SPDX-License-Identifier: GPL-2.0-only
*
* Copyright (C) 2020 Philippe Proulx <pproulx@efficios.com>
*/
#include <unordered_set>
#include <glib.h>
#include <string.h>
#include <babeltrace2/babeltrace.h>
#include "common/assert.h"
#include "cpp-common/vendor/fmt/core.h"
#include "cpp-common/vendor/nlohmann/json.hpp"
#include "utils.hpp"
#ifdef HAVE_SETRLIMIT
# include <sys/resource.h>
#endif /* HAVE_SETRLIMIT */
CondTrigger::CondTrigger(const Type type, const std::string& condId,
const bt2c::CStringView nameSuffix) noexcept :
_mType {type},
_mCondId {fmt::format("{}:{}", type == Type::Pre ? "pre" : "post", condId)},
_mName {fmt::format("{}{}{}", condId, nameSuffix ? ":" : "", nameSuffix ? nameSuffix : "")}
{
}
SimpleCondTrigger::SimpleCondTrigger(std::function<void()> func, const Type type,
const std::string& condId,
const bt2c::CStringView nameSuffix) :
CondTrigger {type, condId, nameSuffix},
_mFunc {std::move(func)}
{
}
namespace {
void disableCoreDumps() noexcept
{
#ifdef HAVE_SETRLIMIT
const rlimit limits {0, 0};
const auto ret = setrlimit(RLIMIT_CORE, &limits);
if (ret != 0) {
std::perror("setrlimit");
std::exit(1);
}
#endif /* HAVE_SETRLIMIT */
}
void listCondTriggers(const CondTriggers& condTriggers) noexcept
{
auto condTriggerArray = nlohmann::json::array();
for (const auto& condTrigger : condTriggers) {
condTriggerArray.push_back(nlohmann::json {
{"cond-id", condTrigger->condId()},
{"name", condTrigger->name()},
});
}
fmt::println("{}", condTriggerArray.dump());
}
void checkNamesUnique(const CondTriggers& condTriggers)
{
std::unordered_set<std::string> names;
for (const auto& trigger : condTriggers) {
const auto res = names.insert(trigger->name());
if (!res.second) {
fmt::println(stderr, "Duplicate test name `{}`", trigger->name());
std::exit(1);
}
}
}
} /* namespace */
void condMain(const bt2s::span<const char * const> argv, const CondTriggers& condTriggers) noexcept
{
BT_ASSERT(argv.size() >= 2);
checkNamesUnique(condTriggers);
if (strcmp(argv[1], "list") == 0) {
listCondTriggers(condTriggers);
} else if (strcmp(argv[1], "run") == 0) {
/*
* It's expected that calling the trigger below aborts (calls
* bt_common_abort()). In this testing context, we don't want
* any custom abortion command to run.
*/
g_unsetenv("BABELTRACE_EXEC_ON_ABORT");
/*
* Since this program's purpose is to crash, it might generate
* a core dump every time it's started, which is not really
* useful (and has been known to overwhelm some CI workers).
* Disable them.
*/
disableCoreDumps();
/* Find the trigger */
BT_ASSERT(argv.size() == 3);
const auto name = argv[2];
const auto it = std::find_if(condTriggers.begin(), condTriggers.end(),
[&](const CondTrigger::UP& trigger) {
return trigger->name() == name;
});
if (it == condTriggers.end()) {
fmt::println(stderr, "No trigger named `{}` found.", name);
std::exit(1);
}
/* Call the trigger */
(**it)();
}
}
|
