File: SystemLifetimeManager.cpp

package info (click to toggle)
llvm-toolchain-21 1%3A21.1.3-1
  • links: PTS, VCS
  • area: main
  • in suites: sid
  • size: 2,236,320 kB
  • sloc: cpp: 7,619,338; ansic: 1,433,952; asm: 1,058,735; python: 252,125; f90: 94,671; objc: 70,753; lisp: 42,813; pascal: 18,401; sh: 10,094; ml: 5,111; perl: 4,720; awk: 3,523; makefile: 3,397; javascript: 2,272; xml: 892; fortran: 770
file content (50 lines) | stat: -rw-r--r-- 1,497 bytes parent folder | download | duplicates (2)
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
46
47
48
49
50
//===-- SystemLifetimeManager.cpp -----------------------------------------===//
//
// 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 "lldb/Initialization/SystemLifetimeManager.h"

#include "lldb/Initialization/SystemInitializer.h"

#include <utility>

using namespace lldb_private;

SystemLifetimeManager::SystemLifetimeManager() : m_mutex() {}

SystemLifetimeManager::~SystemLifetimeManager() {
  assert(!m_initialized &&
         "SystemLifetimeManager destroyed without calling Terminate!");
}

llvm::Error SystemLifetimeManager::Initialize(
    std::unique_ptr<SystemInitializer> initializer) {
  std::lock_guard<std::recursive_mutex> guard(m_mutex);
  if (!m_initialized) {
    assert(!m_initializer && "Attempting to call "
                             "SystemLifetimeManager::Initialize() when it is "
                             "already initialized");
    m_initialized = true;
    m_initializer = std::move(initializer);

    if (auto e = m_initializer->Initialize())
      return e;
  }

  return llvm::Error::success();
}

void SystemLifetimeManager::Terminate() {
  std::lock_guard<std::recursive_mutex> guard(m_mutex);

  if (m_initialized) {
    m_initializer->Terminate();

    m_initializer.reset();
    m_initialized = false;
  }
}