1 //===----------------------------------------------------------------------===//
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 // UNSUPPORTED: c++03, c++11
10 // REQUIRES: use_system_cxx_lib && (x86_64-apple-macosx10.9 || \
11 // REQUIRES:                        x86_64-apple-macosx10.10 || \
12 // REQUIRES:                        x86_64-apple-macosx10.11 || \
13 // REQUIRES:                        x86_64-apple-macosx10.12 || \
14 // REQUIRES:                        x86_64-apple-macosx10.13 || \
15 // REQUIRES:                        x86_64-apple-macosx10.14 || \
16 // REQUIRES:                        x86_64-apple-macosx10.15)
17 
18 
19 // Test the availability markup on std::counting_semaphore and std::binary_semaphore.
20 
21 #include <chrono>
22 #include <semaphore>
23 
24 
25 int main(int, char**)
26 {
27     {
28         // Tests for std::counting_semaphore with non-default template argument
29         std::counting_semaphore<20> sem(10);
30         sem.release(); // expected-error {{is unavailable}}
31         sem.release(5); // expected-error {{is unavailable}}
32         sem.acquire(); // expected-error {{is unavailable}}
33         sem.try_acquire_for(std::chrono::milliseconds{3}); // expected-error 1-2 {{is unavailable}}
34         sem.try_acquire(); // expected-error {{is unavailable}}
35         sem.try_acquire_until(std::chrono::steady_clock::now()); // expected-error 1-2 {{is unavailable}}
36     }
37     {
38         // Tests for std::counting_semaphore with default template argument
39         std::counting_semaphore<> sem(10);
40         sem.release(); // expected-error {{is unavailable}}
41         sem.release(5); // expected-error {{is unavailable}}
42         sem.acquire(); // expected-error {{is unavailable}}
43         sem.try_acquire_for(std::chrono::milliseconds{3}); // expected-error 1-2 {{is unavailable}}
44         sem.try_acquire(); // expected-error {{is unavailable}}
45         sem.try_acquire_until(std::chrono::steady_clock::now()); // expected-error 1-2 {{is unavailable}}
46     }
47     {
48         // Tests for std::binary_semaphore
49         std::binary_semaphore sem(10);
50         sem.release(); // expected-error {{is unavailable}}
51         sem.release(5); // expected-error {{is unavailable}}
52         sem.acquire(); // expected-error {{is unavailable}}
53         sem.try_acquire_for(std::chrono::milliseconds{3}); // expected-error 1-2 {{is unavailable}}
54         sem.try_acquire(); // expected-error {{is unavailable}}
55         sem.try_acquire_until(std::chrono::steady_clock::now()); // expected-error 1-2 {{is unavailable}}
56     }
57 }
58