696bd63550
This diff fixes typos in file headers (incorrect file names). Test plan: Under llvm/tools/lldb/source: find ./* -type f | grep -e '\(cpp\|h\)$' | while read F; do B=$(basename $F); echo $F head -n 1 $F | grep -v $B | wc -l ; done Differential revision: https://reviews.llvm.org/D27115 llvm-svn: 287966
93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
//===-- ProcessRunLock.cpp --------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/ProcessRunLock.h"
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#include "lldb/Host/windows/windows.h"
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namespace {
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#if defined(__MINGW32__)
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// Taken from WinNT.h
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typedef struct _RTL_SRWLOCK { PVOID Ptr; } RTL_SRWLOCK, *PRTL_SRWLOCK;
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// Taken from WinBase.h
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typedef RTL_SRWLOCK SRWLOCK, *PSRWLOCK;
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#endif
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}
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static PSRWLOCK GetLock(lldb::rwlock_t lock) {
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return static_cast<PSRWLOCK>(lock);
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}
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static bool ReadLock(lldb::rwlock_t rwlock) {
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::AcquireSRWLockShared(GetLock(rwlock));
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return true;
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}
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static bool ReadUnlock(lldb::rwlock_t rwlock) {
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::ReleaseSRWLockShared(GetLock(rwlock));
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return true;
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}
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static bool WriteLock(lldb::rwlock_t rwlock) {
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::AcquireSRWLockExclusive(GetLock(rwlock));
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return true;
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}
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static bool WriteTryLock(lldb::rwlock_t rwlock) {
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return !!::TryAcquireSRWLockExclusive(GetLock(rwlock));
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}
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static bool WriteUnlock(lldb::rwlock_t rwlock) {
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::ReleaseSRWLockExclusive(GetLock(rwlock));
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return true;
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}
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using namespace lldb_private;
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ProcessRunLock::ProcessRunLock() : m_running(false) {
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m_rwlock = new SRWLOCK;
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InitializeSRWLock(GetLock(m_rwlock));
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}
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ProcessRunLock::~ProcessRunLock() { delete static_cast<SRWLOCK *>(m_rwlock); }
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bool ProcessRunLock::ReadTryLock() {
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::ReadLock(m_rwlock);
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if (m_running == false)
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return true;
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::ReadUnlock(m_rwlock);
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return false;
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}
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bool ProcessRunLock::ReadUnlock() { return ::ReadUnlock(m_rwlock); }
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bool ProcessRunLock::SetRunning() {
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WriteLock(m_rwlock);
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m_running = true;
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WriteUnlock(m_rwlock);
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return true;
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}
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bool ProcessRunLock::TrySetRunning() {
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if (WriteTryLock(m_rwlock)) {
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bool was_running = m_running;
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m_running = true;
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WriteUnlock(m_rwlock);
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return !was_running;
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}
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return false;
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}
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bool ProcessRunLock::SetStopped() {
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WriteLock(m_rwlock);
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m_running = false;
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WriteUnlock(m_rwlock);
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return true;
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}
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