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AK+Kernel: Implement and use EnumBits has_any_flag()
This duplicates the old functionality of has_flag and will return true when any flags present in the mask are also in the value.
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9715311837
Notes:
sideshowbarker
2024-07-18 08:56:48 +09:00
Author: https://github.com/timmot Commit: https://github.com/SerenityOS/serenity/commit/97153118374 Pull-request: https://github.com/SerenityOS/serenity/pull/8724 Reviewed-by: https://github.com/bgianfo ✅ Reviewed-by: https://github.com/kleinesfilmroellchen ✅
@ -78,4 +78,10 @@
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{ \
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using Type = UnderlyingType<Enum>; \
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return static_cast<Type>(value & mask) == static_cast<Type>(mask); \
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} \
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\
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Prefix constexpr bool has_any_flag(Enum value, Enum mask) \
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{ \
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using Type = UnderlyingType<Enum>; \
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return static_cast<Type>(value & mask) != 0; \
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}
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@ -96,7 +96,7 @@ Thread::FileBlocker::BlockFlags FileDescription::should_unblock(Thread::FileBloc
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unblock_flags |= BlockFlags::Write;
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// TODO: Implement Thread::FileBlocker::BlockFlags::Exception
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if (has_flag(block_flags, BlockFlags::SocketFlags)) {
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if (has_any_flag(block_flags, BlockFlags::SocketFlags)) {
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auto* sock = socket();
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VERIFY(sock);
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if (has_flag(block_flags, BlockFlags::Accept) && sock->can_accept())
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@ -112,7 +112,7 @@ KResultOr<FlatPtr> Process::sys$select(Userspace<const Syscall::SC_select_params
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FD_SET(selected_fds[i], &fds_write);
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marked_fd_count++;
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}
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if (params.exceptfds && has_flag(fd_entry.unblocked_flags, BlockFlags::Exception)) {
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if (params.exceptfds && has_any_flag(fd_entry.unblocked_flags, BlockFlags::Exception)) {
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FD_SET(selected_fds[i], &fds_except);
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marked_fd_count++;
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}
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@ -207,7 +207,7 @@ KResultOr<FlatPtr> Process::sys$poll(Userspace<const Syscall::SC_poll_params*> u
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if (fds_entry.unblocked_flags == BlockFlags::None)
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continue;
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if (has_flag(fds_entry.unblocked_flags, BlockFlags::Exception)) {
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if (has_any_flag(fds_entry.unblocked_flags, BlockFlags::Exception)) {
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if (has_flag(fds_entry.unblocked_flags, BlockFlags::ReadHangUp))
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pfd.revents |= POLLRDHUP;
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if (has_flag(fds_entry.unblocked_flags, BlockFlags::WriteError))
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