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