options/linux: Unified epoll_wait and epoll_pwait
Signed-off-by: Dennisbonke <admin@dennisbonke.com>
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9dad6438d3
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@ -63,12 +63,12 @@ int epoll_ctl(int epfd, int mode, int fd, struct epoll_event *ev) {
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int epoll_wait(int epfd, struct epoll_event *evnts, int n, int timeout) {
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int raised;
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if(!mlibc::sys_epoll_wait) {
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if(!mlibc::sys_epoll_pwait) {
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MLIBC_MISSING_SYSDEP();
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errno = ENOSYS;
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return -1;
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}
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if(int e = mlibc::sys_epoll_wait(epfd, evnts, n, timeout, &raised)) {
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if(int e = mlibc::sys_epoll_pwait(epfd, evnts, n, timeout, NULL, &raised)) {
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errno = e;
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return -1;
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}
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@ -1501,58 +1501,6 @@ int sys_epoll_ctl(int epfd, int mode, int fd, struct epoll_event *ev) {
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return 0;
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}
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int sys_epoll_wait(int epfd, struct epoll_event *evnts, int n, int timeout, int *raised) {
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__ensure(timeout >= 0 || timeout == -1); // TODO: Report errors correctly.
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SignalGuard sguard;
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HelAction actions[4];
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globalQueue.trim();
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managarm::posix::CntRequest<MemoryAllocator> req(getSysdepsAllocator());
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req.set_request_type(managarm::posix::CntReqType::EPOLL_WAIT);
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req.set_fd(epfd);
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req.set_size(n);
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req.set_timeout(timeout > 0 ? int64_t{timeout} * 1000000 : timeout);
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frg::string<MemoryAllocator> ser(getSysdepsAllocator());
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req.SerializeToString(&ser);
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actions[0].type = kHelActionOffer;
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actions[0].flags = kHelItemAncillary;
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actions[1].type = kHelActionSendFromBuffer;
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actions[1].flags = kHelItemChain;
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actions[1].buffer = ser.data();
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actions[1].length = ser.size();
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actions[2].type = kHelActionRecvInline;
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actions[2].flags = kHelItemChain;
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actions[3].type = kHelActionRecvToBuffer;
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actions[3].flags = 0;
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actions[3].buffer = evnts;
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actions[3].length = n * sizeof(struct epoll_event);
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HEL_CHECK(helSubmitAsync(getPosixLane(), actions, 4,
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globalQueue.getQueue(), 0, 0));
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auto element = globalQueue.dequeueSingle();
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auto offer = parseSimple(element);
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auto send_req = parseSimple(element);
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auto recv_resp = parseInline(element);
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auto recv_data = parseLength(element);
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HEL_CHECK(offer->error);
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HEL_CHECK(send_req->error);
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HEL_CHECK(recv_resp->error);
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HEL_CHECK(recv_data->error);
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managarm::posix::SvrResponse<MemoryAllocator> resp(getSysdepsAllocator());
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resp.ParseFromArray(recv_resp->data, recv_resp->length);
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if(resp.error() == managarm::posix::Errors::BAD_FD) {
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return EBADF;
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}
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__ensure(resp.error() == managarm::posix::Errors::SUCCESS);
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__ensure(!(recv_data->length % sizeof(struct epoll_event)));
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*raised = recv_data->length / sizeof(struct epoll_event);
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return 0;
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}
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int sys_epoll_pwait(int epfd, struct epoll_event *ev, int n,
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int timeout, const sigset_t *sigmask, int *raised) {
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__ensure(timeout >= 0 || timeout == -1); // TODO: Report errors correctly.
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@ -1566,8 +1514,12 @@ int sys_epoll_pwait(int epfd, struct epoll_event *ev, int n,
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req.set_fd(epfd);
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req.set_size(n);
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req.set_timeout(timeout > 0 ? int64_t{timeout} * 1000000 : timeout);
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req.set_sigmask((long int)sigmask);
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req.set_sigmask_needed(true);
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if(sigmask != NULL) {
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req.set_sigmask((long int)sigmask);
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req.set_sigmask_needed(true);
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} else {
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req.set_sigmask_needed(false);
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}
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frg::string<MemoryAllocator> ser(getSysdepsAllocator());
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req.SerializeToString(&ser);
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