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Lines changed: 78 additions & 79 deletions

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include/dxc/Support/RAIIClasses.h

Lines changed: 78 additions & 79 deletions
Original file line numberDiff line numberDiff line change
@@ -13,83 +13,82 @@
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#include "WinIncludes.h"
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class HhEvent {
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public:
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HANDLE m_handle = INVALID_HANDLE_VALUE;
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public:
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HRESULT Init() {
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if (m_handle == INVALID_HANDLE_VALUE) {
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m_handle = CreateEvent(nullptr, TRUE, FALSE, nullptr);
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if (m_handle == INVALID_HANDLE_VALUE) {
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return HRESULT_FROM_WIN32(GetLastError());
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}
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}
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return S_OK;
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}
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void SetEvent() { ::SetEvent(m_handle); }
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void ResetEvent() { ::ResetEvent(m_handle); }
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~HhEvent() {
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if (m_handle != INVALID_HANDLE_VALUE) {
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CloseHandle(m_handle);
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}
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}
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};
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class HhCriticalSection {
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private:
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CRITICAL_SECTION m_cs;
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public:
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HhCriticalSection() { InitializeCriticalSection(&m_cs); }
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~HhCriticalSection() { DeleteCriticalSection(&m_cs); }
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class Lock {
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private:
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CRITICAL_SECTION *m_pLock;
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public:
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Lock() = delete;
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Lock(const Lock &) = delete;
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Lock(Lock &&other) { std::swap(m_pLock, other.m_pLock); }
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Lock(CRITICAL_SECTION *pLock) : m_pLock(pLock) {
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EnterCriticalSection(m_pLock);
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}
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~Lock() {
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if (m_pLock)
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LeaveCriticalSection(m_pLock);
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}
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};
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Lock LockCS() { return Lock(&m_cs); }
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};
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class ClassObjectRegistration {
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private:
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DWORD m_reg = 0;
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HRESULT m_hr = E_FAIL;
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public:
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HRESULT Register(REFCLSID rclsid, IUnknown *pUnk, DWORD dwClsContext,
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DWORD flags) {
72-
m_hr = CoRegisterClassObject(rclsid, pUnk, dwClsContext, flags, &m_reg);
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return m_hr;
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}
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~ClassObjectRegistration() {
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if (SUCCEEDED(m_hr))
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CoRevokeClassObject(m_reg);
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}
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};
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class CoInit {
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private:
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HRESULT m_hr = E_FAIL;
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public:
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HRESULT Initialize(DWORD dwCoInit) {
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m_hr = CoInitializeEx(nullptr, dwCoInit);
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return m_hr;
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}
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~CoInit() {
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if (SUCCEEDED(m_hr))
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CoUninitialize();
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public:
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HANDLE m_handle = INVALID_HANDLE_VALUE;
18+
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public:
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HRESULT Init() {
21+
if (m_handle == INVALID_HANDLE_VALUE) {
22+
m_handle = CreateEvent(nullptr, TRUE, FALSE, nullptr);
23+
if (m_handle == INVALID_HANDLE_VALUE) {
24+
return HRESULT_FROM_WIN32(GetLastError());
9325
}
94-
};
95-
26+
}
27+
return S_OK;
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}
29+
void SetEvent() { ::SetEvent(m_handle); }
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void ResetEvent() { ::ResetEvent(m_handle); }
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~HhEvent() {
32+
if (m_handle != INVALID_HANDLE_VALUE) {
33+
CloseHandle(m_handle);
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}
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}
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};
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class HhCriticalSection {
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private:
40+
CRITICAL_SECTION m_cs;
41+
42+
public:
43+
HhCriticalSection() { InitializeCriticalSection(&m_cs); }
44+
~HhCriticalSection() { DeleteCriticalSection(&m_cs); }
45+
class Lock {
46+
private:
47+
CRITICAL_SECTION *m_pLock;
48+
49+
public:
50+
Lock() = delete;
51+
Lock(const Lock &) = delete;
52+
Lock(Lock &&other) { std::swap(m_pLock, other.m_pLock); }
53+
Lock(CRITICAL_SECTION *pLock) : m_pLock(pLock) {
54+
EnterCriticalSection(m_pLock);
55+
}
56+
~Lock() {
57+
if (m_pLock)
58+
LeaveCriticalSection(m_pLock);
59+
}
60+
};
61+
Lock LockCS() { return Lock(&m_cs); }
62+
};
63+
64+
class ClassObjectRegistration {
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private:
66+
DWORD m_reg = 0;
67+
HRESULT m_hr = E_FAIL;
68+
69+
public:
70+
HRESULT Register(REFCLSID rclsid, IUnknown *pUnk, DWORD dwClsContext,
71+
DWORD flags) {
72+
m_hr = CoRegisterClassObject(rclsid, pUnk, dwClsContext, flags, &m_reg);
73+
return m_hr;
74+
}
75+
~ClassObjectRegistration() {
76+
if (SUCCEEDED(m_hr))
77+
CoRevokeClassObject(m_reg);
78+
}
79+
};
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81+
class CoInit {
82+
private:
83+
HRESULT m_hr = E_FAIL;
84+
85+
public:
86+
HRESULT Initialize(DWORD dwCoInit) {
87+
m_hr = CoInitializeEx(nullptr, dwCoInit);
88+
return m_hr;
89+
}
90+
~CoInit() {
91+
if (SUCCEEDED(m_hr))
92+
CoUninitialize();
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}
94+
};

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