llvm/libc/src/sys/wait/wait4Impl.h

//===-- String to integer conversion utils ----------------------*- 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_SRC_SYS_WAIT_WAIT4IMPL_H
#define LLVM_LIBC_SRC_SYS_WAIT_WAIT4IMPL_H

#include "src/__support/OSUtil/syscall.h" // For internal syscall function.
#include "src/__support/common.h"
#include "src/__support/error_or.h"
#include "src/__support/macros/config.h"
#include "src/errno/libc_errno.h"

#include <signal.h>
#include <sys/syscall.h> // For syscall numbers.
#include <sys/wait.h>

namespace LIBC_NAMESPACE_DECL {
namespace internal {

// The implementation of wait here is very minimal. We will add more
// functionality and standard compliance in future.

LIBC_INLINE ErrorOr<pid_t> wait4impl(pid_t pid, int *wait_status, int options,
                                     struct rusage *usage) { … }

} // namespace internal
} // namespace LIBC_NAMESPACE_DECL

#endif // LLVM_LIBC_SRC_SYS_WAIT_WAIT4IMPL_H