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 | |
16 | namespace LIBC_NAMESPACE_DECL { |
17 | |
18 | LLVM_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 |