137 lines
3.0 KiB
C
137 lines
3.0 KiB
C
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#ifndef LIBIPC_SRC_PLATFORM_DETAIL_H_
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#define LIBIPC_SRC_PLATFORM_DETAIL_H_
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// detect platform
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#if defined(WIN64) || defined(_WIN64) || defined(__WIN64__) || \
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defined(WIN32) || defined(_WIN32) || defined(__WIN32__) || defined(__NT__) || \
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defined(WINCE) || defined(_WIN32_WCE)
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# define IPC_OS_WINDOWS_
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#elif defined(__linux__) || defined(__linux)
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# define IPC_OS_LINUX_
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#elif defined(__QNX__)
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# define IPC_OS_QNX_
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#elif defined(__APPLE__)
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#elif defined(__ANDROID__)
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// TBD
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#endif
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#if defined(__cplusplus)
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#include <memory>
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#include <mutex>
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#include <shared_mutex>
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#include <type_traits>
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#include <tuple>
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#include <algorithm>
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// pre-defined
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#ifdef IPC_UNUSED_
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# error "IPC_UNUSED_ has been defined."
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#endif
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#ifdef IPC_FALLTHROUGH_
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# error "IPC_FALLTHROUGH_ has been defined."
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#endif
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#ifdef IPC_STBIND_
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# error "IPC_STBIND_ has been defined."
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#endif
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#ifdef IPC_CONSTEXPR_
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# error "IPC_CONSTEXPR_ has been defined."
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#endif
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#if __cplusplus >= 201703L
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#define IPC_UNUSED_ [[maybe_unused]]
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#define IPC_FALLTHROUGH_ [[fallthrough]]
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#define IPC_STBIND_(A, B, ...) auto [A, B] = __VA_ARGS__
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#define IPC_CONSTEXPR_ constexpr
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#else /*__cplusplus < 201703L*/
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#if defined(_MSC_VER)
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# define IPC_UNUSED_ __pragma(warning(suppress: 4100 4101 4189))
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#elif defined(__GNUC__)
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# define IPC_UNUSED_ __attribute__((__unused__))
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#else
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# define IPC_UNUSED_
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#endif
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#define IPC_FALLTHROUGH_
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#define IPC_STBIND_(A, B, ...) \
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auto tp___ = __VA_ARGS__ \
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auto A = std::get<0>(tp___); \
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auto B = std::get<1>(tp___)
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#define IPC_CONSTEXPR_ inline
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#endif/*__cplusplus < 201703L*/
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#if __cplusplus >= 201703L
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namespace std {
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// deduction guides for std::unique_ptr
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template <typename T>
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unique_ptr(T* p) -> unique_ptr<T>;
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template <typename T, typename D>
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unique_ptr(T* p, D&& d) -> unique_ptr<T, std::decay_t<D>>;
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} // namespace std
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namespace ipc {
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namespace detail {
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using std::unique_ptr;
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using std::unique_lock;
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using std::shared_lock;
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using std::max;
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using std::min;
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#else /*__cplusplus < 201703L*/
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namespace ipc {
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namespace detail {
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// deduction guides for std::unique_ptr
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template <typename T>
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constexpr auto unique_ptr(T* p) noexcept {
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return std::unique_ptr<T> { p };
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}
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template <typename T, typename D>
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constexpr auto unique_ptr(T* p, D&& d) noexcept {
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return std::unique_ptr<T, std::decay_t<D>> { p, std::forward<D>(d) };
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}
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// deduction guides for std::unique_lock
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template <typename T>
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constexpr auto unique_lock(T&& lc) noexcept {
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return std::unique_lock<std::decay_t<T>> { std::forward<T>(lc) };
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}
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// deduction guides for std::shared_lock
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template <typename T>
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constexpr auto shared_lock(T&& lc) noexcept {
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return std::shared_lock<std::decay_t<T>> { std::forward<T>(lc) };
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}
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template <typename T>
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constexpr const T& (max)(const T& a, const T& b) {
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return (a < b) ? b : a;
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}
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template <typename T>
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constexpr const T& (min)(const T& a, const T& b) {
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return (b < a) ? b : a;
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}
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#endif/*__cplusplus < 201703L*/
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} // namespace detail
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} // namespace ipc
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#endif // defined(__cplusplus)
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#endif // LIBIPC_SRC_PLATFORM_DETAIL_H_
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