5a197772ee
Suppress coverity false positives. This diff contains comments only, including the hints for Coverity static code inspection to suppress the warning originating at the next line after the comment. Differential Revision: https://reviews.llvm.org/D131998
66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
//===-- ProcessRunLock.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
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef _WIN32
|
|
#include "lldb/Host/ProcessRunLock.h"
|
|
|
|
namespace lldb_private {
|
|
|
|
ProcessRunLock::ProcessRunLock() {
|
|
int err = ::pthread_rwlock_init(&m_rwlock, nullptr);
|
|
(void)err;
|
|
}
|
|
|
|
ProcessRunLock::~ProcessRunLock() {
|
|
int err = ::pthread_rwlock_destroy(&m_rwlock);
|
|
(void)err;
|
|
}
|
|
|
|
bool ProcessRunLock::ReadTryLock() {
|
|
::pthread_rwlock_rdlock(&m_rwlock);
|
|
if (!m_running) {
|
|
// coverity[missing_unlock]
|
|
return true;
|
|
}
|
|
::pthread_rwlock_unlock(&m_rwlock);
|
|
return false;
|
|
}
|
|
|
|
bool ProcessRunLock::ReadUnlock() {
|
|
return ::pthread_rwlock_unlock(&m_rwlock) == 0;
|
|
}
|
|
|
|
bool ProcessRunLock::SetRunning() {
|
|
::pthread_rwlock_wrlock(&m_rwlock);
|
|
m_running = true;
|
|
::pthread_rwlock_unlock(&m_rwlock);
|
|
return true;
|
|
}
|
|
|
|
bool ProcessRunLock::TrySetRunning() {
|
|
bool r;
|
|
|
|
if (::pthread_rwlock_trywrlock(&m_rwlock) == 0) {
|
|
r = !m_running;
|
|
m_running = true;
|
|
::pthread_rwlock_unlock(&m_rwlock);
|
|
return r;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool ProcessRunLock::SetStopped() {
|
|
::pthread_rwlock_wrlock(&m_rwlock);
|
|
m_running = false;
|
|
::pthread_rwlock_unlock(&m_rwlock);
|
|
return true;
|
|
}
|
|
}
|
|
|
|
#endif
|