llvm-project/libc/utils/testutils/ExecuteFunction.h

52 lines
1.5 KiB
C++

//===-- ExecuteFunction.h ---------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_UTILS_TESTUTILS_EXECUTEFUNCTION_H
#define LLVM_LIBC_UTILS_TESTUTILS_EXECUTEFUNCTION_H
#include <stdint.h>
namespace __llvm_libc {
namespace testutils {
class FunctionCaller {
public:
virtual ~FunctionCaller() {}
virtual void operator()() = 0;
};
struct ProcessStatus {
int platform_defined;
const char *failure = nullptr;
static constexpr unsigned TIMEOUT = ~0U;
static ProcessStatus error(const char *error) { return {0, error}; }
static ProcessStatus timed_out_ps() {
return {0, reinterpret_cast<const char *>(TIMEOUT)};
}
bool timed_out() const {
return failure == reinterpret_cast<const char *>(TIMEOUT);
}
const char *get_error() const { return timed_out() ? nullptr : failure; }
bool exited_normally() const;
int get_exit_code() const;
int get_fatal_signal() const;
};
ProcessStatus invoke_in_subprocess(FunctionCaller *func,
unsigned timeout_ms = ProcessStatus::TIMEOUT);
const char *signal_as_string(int signum);
} // namespace testutils
} // namespace __llvm_libc
#endif // LLVM_LIBC_UTILS_TESTUTILS_EXECUTEFUNCTION_H