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Merge pull request #5142 from comex/xx-poll-events
network, sockets: Replace `POLL_IN`, `POLL_OUT`, etc. constants with an `enum class PollEvents`
This commit is contained in:
commit
e94dd7e2c4
6 changed files with 82 additions and 71 deletions
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@ -489,18 +489,18 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u
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}
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for (PollFD& pollfd : fds) {
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ASSERT(pollfd.revents == 0);
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ASSERT(False(pollfd.revents));
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if (pollfd.fd > static_cast<s32>(MAX_FD) || pollfd.fd < 0) {
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LOG_ERROR(Service, "File descriptor handle={} is invalid", pollfd.fd);
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pollfd.revents = 0;
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pollfd.revents = PollEvents{};
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return {0, Errno::SUCCESS};
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}
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const std::optional<FileDescriptor>& descriptor = file_descriptors[pollfd.fd];
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if (!descriptor) {
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LOG_ERROR(Service, "File descriptor handle={} is not allocated", pollfd.fd);
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pollfd.revents = POLL_NVAL;
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pollfd.revents = PollEvents::Nval;
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return {0, Errno::SUCCESS};
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}
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}
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@ -510,7 +510,7 @@ std::pair<s32, Errno> BSD::PollImpl(std::vector<u8>& write_buffer, std::vector<u
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Network::PollFD result;
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result.socket = file_descriptors[pollfd.fd]->socket.get();
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result.events = TranslatePollEventsToHost(pollfd.events);
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result.revents = 0;
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result.revents = Network::PollEvents{};
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return result;
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});
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@ -69,10 +69,22 @@ struct SockAddrIn {
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std::array<u8, 8> zeroes;
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};
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enum class PollEvents : u16 {
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// Using Pascal case because IN is a macro on Windows.
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In = 1 << 0,
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Pri = 1 << 1,
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Out = 1 << 2,
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Err = 1 << 3,
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Hup = 1 << 4,
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Nval = 1 << 5,
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};
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DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
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struct PollFD {
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s32 fd;
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u16 events;
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u16 revents;
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PollEvents events;
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PollEvents revents;
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};
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struct Linger {
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@ -80,13 +92,6 @@ struct Linger {
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u32 linger;
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};
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constexpr u16 POLL_IN = 0x01;
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constexpr u16 POLL_PRI = 0x02;
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constexpr u16 POLL_OUT = 0x04;
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constexpr u16 POLL_ERR = 0x08;
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constexpr u16 POLL_HUP = 0x10;
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constexpr u16 POLL_NVAL = 0x20;
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constexpr u32 FLAG_MSG_DONTWAIT = 0x80;
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constexpr u32 FLAG_O_NONBLOCK = 0x800;
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@ -89,43 +89,43 @@ Network::Protocol Translate(Type type, Protocol protocol) {
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}
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}
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u16 TranslatePollEventsToHost(u32 flags) {
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u32 result = 0;
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const auto translate = [&result, &flags](u32 from, u32 to) {
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if ((flags & from) != 0) {
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Network::PollEvents TranslatePollEventsToHost(PollEvents flags) {
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Network::PollEvents result{};
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const auto translate = [&result, &flags](PollEvents from, Network::PollEvents to) {
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if (True(flags & from)) {
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flags &= ~from;
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result |= to;
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}
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};
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translate(POLL_IN, Network::POLL_IN);
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translate(POLL_PRI, Network::POLL_PRI);
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translate(POLL_OUT, Network::POLL_OUT);
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translate(POLL_ERR, Network::POLL_ERR);
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translate(POLL_HUP, Network::POLL_HUP);
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translate(POLL_NVAL, Network::POLL_NVAL);
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translate(PollEvents::In, Network::PollEvents::In);
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translate(PollEvents::Pri, Network::PollEvents::Pri);
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translate(PollEvents::Out, Network::PollEvents::Out);
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translate(PollEvents::Err, Network::PollEvents::Err);
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translate(PollEvents::Hup, Network::PollEvents::Hup);
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translate(PollEvents::Nval, Network::PollEvents::Nval);
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UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
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return static_cast<u16>(result);
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UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
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return result;
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}
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u16 TranslatePollEventsToGuest(u32 flags) {
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u32 result = 0;
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const auto translate = [&result, &flags](u32 from, u32 to) {
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if ((flags & from) != 0) {
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PollEvents TranslatePollEventsToGuest(Network::PollEvents flags) {
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PollEvents result{};
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const auto translate = [&result, &flags](Network::PollEvents from, PollEvents to) {
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if (True(flags & from)) {
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flags &= ~from;
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result |= to;
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}
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};
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translate(Network::POLL_IN, POLL_IN);
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translate(Network::POLL_PRI, POLL_PRI);
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translate(Network::POLL_OUT, POLL_OUT);
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translate(Network::POLL_ERR, POLL_ERR);
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translate(Network::POLL_HUP, POLL_HUP);
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translate(Network::POLL_NVAL, POLL_NVAL);
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translate(Network::PollEvents::In, PollEvents::In);
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translate(Network::PollEvents::Pri, PollEvents::Pri);
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translate(Network::PollEvents::Out, PollEvents::Out);
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translate(Network::PollEvents::Err, PollEvents::Err);
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translate(Network::PollEvents::Hup, PollEvents::Hup);
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translate(Network::PollEvents::Nval, PollEvents::Nval);
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UNIMPLEMENTED_IF_MSG(flags != 0, "Unimplemented flags={}", flags);
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return static_cast<u16>(result);
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UNIMPLEMENTED_IF_MSG((u16)flags != 0, "Unimplemented flags={}", (u16)flags);
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return result;
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}
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Network::SockAddrIn Translate(SockAddrIn value) {
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@ -31,10 +31,10 @@ Network::Type Translate(Type type);
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Network::Protocol Translate(Type type, Protocol protocol);
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/// Translate abstract poll event flags to guest poll event flags
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u16 TranslatePollEventsToHost(u32 flags);
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Network::PollEvents TranslatePollEventsToHost(PollEvents flags);
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/// Translate guest poll event flags to abstract poll event flags
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u16 TranslatePollEventsToGuest(u32 flags);
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PollEvents TranslatePollEventsToGuest(Network::PollEvents flags);
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/// Translate guest socket address structure to abstract socket address structure
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Network::SockAddrIn Translate(SockAddrIn value);
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@ -238,49 +238,49 @@ SockAddrIn TranslateToSockAddrIn(sockaddr input_) {
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return result;
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}
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u16 TranslatePollEvents(u32 events) {
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u32 result = 0;
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short TranslatePollEvents(PollEvents events) {
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short result = 0;
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if ((events & POLL_IN) != 0) {
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events &= ~POLL_IN;
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if (True(events & PollEvents::In)) {
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events &= ~PollEvents::In;
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result |= POLLIN;
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}
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if ((events & POLL_PRI) != 0) {
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events &= ~POLL_PRI;
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if (True(events & PollEvents::Pri)) {
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events &= ~PollEvents::Pri;
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#ifdef _WIN32
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LOG_WARNING(Service, "Winsock doesn't support POLLPRI");
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#else
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result |= POLL_PRI;
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result |= POLLPRI;
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#endif
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}
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if ((events & POLL_OUT) != 0) {
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events &= ~POLL_OUT;
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if (True(events & PollEvents::Out)) {
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events &= ~PollEvents::Out;
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result |= POLLOUT;
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}
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UNIMPLEMENTED_IF_MSG(events != 0, "Unhandled guest events=0x{:x}", events);
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UNIMPLEMENTED_IF_MSG((u16)events != 0, "Unhandled guest events=0x{:x}", (u16)events);
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return static_cast<u16>(result);
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return result;
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}
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u16 TranslatePollRevents(u32 revents) {
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u32 result = 0;
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const auto translate = [&result, &revents](u32 host, u32 guest) {
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PollEvents TranslatePollRevents(short revents) {
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PollEvents result{};
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const auto translate = [&result, &revents](short host, PollEvents guest) {
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if ((revents & host) != 0) {
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revents &= ~host;
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revents &= static_cast<short>(~host);
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result |= guest;
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}
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};
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translate(POLLIN, POLL_IN);
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translate(POLLPRI, POLL_PRI);
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translate(POLLOUT, POLL_OUT);
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translate(POLLERR, POLL_ERR);
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translate(POLLHUP, POLL_HUP);
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translate(POLLIN, PollEvents::In);
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translate(POLLPRI, PollEvents::Pri);
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translate(POLLOUT, PollEvents::Out);
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translate(POLLERR, PollEvents::Err);
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translate(POLLHUP, PollEvents::Hup);
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UNIMPLEMENTED_IF_MSG(revents != 0, "Unhandled host revents=0x{:x}", revents);
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return static_cast<u16>(result);
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return result;
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}
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template <typename T>
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@ -350,7 +350,7 @@ std::pair<s32, Errno> Poll(std::vector<PollFD>& pollfds, s32 timeout) {
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}
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for (size_t i = 0; i < num; ++i) {
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pollfds[i].revents = TranslatePollRevents(static_cast<u32>(host_pollfds[i].revents));
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pollfds[i].revents = TranslatePollRevents(host_pollfds[i].revents);
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}
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if (result > 0) {
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@ -61,18 +61,24 @@ struct SockAddrIn {
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};
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/// Cross-platform poll fd structure
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struct PollFD {
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Socket* socket;
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u16 events;
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u16 revents;
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enum class PollEvents : u16 {
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// Using Pascal case because IN is a macro on Windows.
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In = 1 << 0,
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Pri = 1 << 1,
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Out = 1 << 2,
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Err = 1 << 3,
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Hup = 1 << 4,
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Nval = 1 << 5,
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};
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constexpr u16 POLL_IN = 1 << 0;
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constexpr u16 POLL_PRI = 1 << 1;
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constexpr u16 POLL_OUT = 1 << 2;
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constexpr u16 POLL_ERR = 1 << 3;
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constexpr u16 POLL_HUP = 1 << 4;
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constexpr u16 POLL_NVAL = 1 << 5;
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DECLARE_ENUM_FLAG_OPERATORS(PollEvents);
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struct PollFD {
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Socket* socket;
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PollEvents events;
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PollEvents revents;
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};
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class NetworkInstance {
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public:
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