1//===-- Linux implementation of waitpid -----------------------------------===//
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#include "src/__support/common.h"
10#include "src/__support/libc_assert.h"
11
12#include "src/__support/macros/config.h"
13#include "src/sys/wait/wait4Impl.h"
14#include "src/sys/wait/waitpid.h"
15
16namespace LIBC_NAMESPACE_DECL {
17
18LLVM_LIBC_FUNCTION(pid_t, waitpid, (pid_t pid, int *wait_status, int options)) {
19 auto result = internal::wait4impl(pid, wait_status, options, 0);
20 if (!result.has_value()) {
21 libc_errno = result.error();
22 return -1;
23 }
24 return result.value();
25}
26
27} // namespace LIBC_NAMESPACE_DECL
28

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source code of libc/src/sys/wait/linux/waitpid.cpp