File: mutex_adopt_lock.pass.cpp

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites: bookworm-proposed-updates
  • size: 1,998,492 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (45 lines) | stat: -rw-r--r-- 1,090 bytes parent folder | download | duplicates (8) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
 
//===----------------------------------------------------------------------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// UNSUPPORTED: no-threads
// UNSUPPORTED: c++03, c++11

// <shared_mutex>

// template <class Mutex> class shared_lock;

// shared_lock(mutex_type& m, adopt_lock_t);

#include <shared_mutex>
#include <cassert>
#include <mutex>
#include "nasty_containers.h"

#include "test_macros.h"

int main(int, char**)
{
    {
    typedef std::shared_timed_mutex M;
    M m;
    m.lock();
    std::unique_lock<M> lk(m, std::adopt_lock);
    assert(lk.mutex() == std::addressof(m));
    assert(lk.owns_lock() == true);
    }
    {
    typedef nasty_mutex M;
    M m;
    m.lock();
    std::unique_lock<M> lk(m, std::adopt_lock);
    assert(lk.mutex() == std::addressof(m));
    assert(lk.owns_lock() == true);
    }

  return 0;
}