//===-- Linux implementation of wait4 -------------------------------------===// // // 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 // //===----------------------------------------------------------------------===// #include "src/__support/common.h" #include "src/__support/libc_assert.h" #include "src/__support/macros/config.h" #include "src/sys/wait/wait4.h" #include "src/sys/wait/wait4Impl.h" namespace LIBC_NAMESPACE_DECL { LLVM_LIBC_FUNCTION(pid_t, wait4, (pid_t pid, int *wait_status, int options, struct rusage *usage)) { auto result = internal::wait4impl(pid, wait_status, options, usage); if (!result.has_value()) { libc_errno = result.error(); return -1; } return result.value(); } } // namespace LIBC_NAMESPACE_DECL