1//===-- ExecuteFunction.h ---------------------------------------*- C++ -*-===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#ifndef LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H
10#define LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H
11
12#include "src/__support/CPP/limits.h"
13#include "src/__support/macros/config.h"
14#include <stdint.h>
15
16namespace LIBC_NAMESPACE_DECL {
17namespace testutils {
18
19class FunctionCaller {
20public:
21 virtual ~FunctionCaller() {}
22 virtual void operator()() = 0;
23};
24
25struct ProcessStatus {
26 int platform_defined;
27 const char *failure = nullptr;
28
29 static constexpr int TIMEOUT = cpp::numeric_limits<int>::max();
30
31 static ProcessStatus error(const char *error) { return {.platform_defined: 0, .failure: error}; }
32 static ProcessStatus timed_out_ps() {
33 return {.platform_defined: 0, .failure: reinterpret_cast<const char *>(TIMEOUT)};
34 }
35
36 bool timed_out() const {
37 return failure == reinterpret_cast<const char *>(TIMEOUT);
38 }
39 const char *get_error() const { return timed_out() ? nullptr : failure; }
40 bool exited_normally();
41 int get_exit_code();
42 int get_fatal_signal();
43};
44
45ProcessStatus invoke_in_subprocess(FunctionCaller *func,
46 int timeout_ms = ProcessStatus::TIMEOUT);
47
48const char *signal_as_string(int signum);
49
50} // namespace testutils
51} // namespace LIBC_NAMESPACE_DECL
52
53#endif // LLVM_LIBC_TEST_UNITTEST_EXECUTEFUNCTION_H
54

source code of libc/test/UnitTest/ExecuteFunction.h