| //===-- Unittests for 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/sys/wait/wait4.h" |
| #include "test/UnitTest/ErrnoSetterMatcher.h" |
| #include "test/UnitTest/Test.h" |
| |
| #include <errno.h> |
| #include <sys/wait.h> |
| |
| // The test here is a simpl test for WNOHANG functionality. For a more |
| // involved test, look at fork_test. |
| |
| TEST(LlvmLibcwait4Test, NoHangTest) { |
| using __llvm_libc::testing::ErrnoSetterMatcher::Fails; |
| int status; |
| ASSERT_THAT(__llvm_libc::wait4(-1, &status, WNOHANG, nullptr), Fails(ECHILD)); |
| } |