clang-format runtime/bin

runtime/bin/eventhandler_linux.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #if !defined(DART_IO_DISABLED)
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "bin/eventhandler.h"
 #include "bin/eventhandler_linux.h"
 
-#include <errno.h>  // NOLINT
-#include <fcntl.h>  // NOLINT
-#include <pthread.h>  // NOLINT
-#include <stdio.h>  // NOLINT
-#include <string.h>  // NOLINT
-#include <sys/epoll.h>  // NOLINT
-#include <sys/stat.h>  // NOLINT
+#include <errno.h>        // NOLINT
+#include <fcntl.h>        // NOLINT
+#include <pthread.h>      // NOLINT
+#include <stdio.h>        // NOLINT
+#include <string.h>       // NOLINT
+#include <sys/epoll.h>    // NOLINT
+#include <sys/stat.h>     // NOLINT
 #include <sys/timerfd.h>  // NOLINT
-#include <unistd.h>  // NOLINT
+#include <unistd.h>       // NOLINT
 
 #include "bin/dartutils.h"
 #include "bin/fdutils.h"
 #include "bin/log.h"
 #include "bin/lockers.h"
 #include "bin/socket.h"
 #include "bin/thread.h"
 #include "platform/utils.h"
 
 namespace dart {
 namespace bin {
 
 intptr_t DescriptorInfo::GetPollEvents() {
   // Do not ask for EPOLLERR and EPOLLHUP explicitly as they are
   // triggered anyway.
   intptr_t events = 0;
   if ((Mask() & (1 << kInEvent)) != 0) {
     events |= EPOLLIN;
   }
   if ((Mask() & (1 << kOutEvent)) != 0) {
     events |= EPOLLOUT;
   }
   return events;
 }
 
 
 // Unregister the file descriptor for a DescriptorInfo structure with
 // epoll.
-static void RemoveFromEpollInstance(intptr_t epoll_fd_,
-                                    DescriptorInfo* di) {
-  VOID_NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_,
-                                   EPOLL_CTL_DEL,
-                                   di->fd(),
-                                   NULL));
+static void RemoveFromEpollInstance(intptr_t epoll_fd_, DescriptorInfo* di) {
+  VOID_NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_, EPOLL_CTL_DEL, di->fd(), NULL));
 }
 
 
 static void AddToEpollInstance(intptr_t epoll_fd_, DescriptorInfo* di) {
   struct epoll_event event;
   event.events = EPOLLRDHUP | di->GetPollEvents();
   if (!di->IsListeningSocket()) {
     event.events |= EPOLLET;
   }
   event.data.ptr = di;
-  int status = NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_,
-                                           EPOLL_CTL_ADD,
-                                           di->fd(),
-                                           &event));
+  int status =
+      NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, di->fd(), &event));
   if (status == -1) {
     // TODO(dart:io): Verify that the dart end is handling this correctly.
 
     // Epoll does not accept the file descriptor. It could be due to
     // already closed file descriptor, or unuspported devices, such
     // as /dev/null. In such case, mark the file descriptor as closed,
     // so dart will handle it accordingly.
     di->NotifyAllDartPorts(1 << kCloseEvent);
   }
 }
@@ skipping 15 matching lines @@
   static const int kEpollInitialSize = 64;
   epoll_fd_ = NO_RETRY_EXPECTED(epoll_create(kEpollInitialSize));
   if (epoll_fd_ == -1) {
     FATAL1("Failed creating epoll file descriptor: %i", errno);
   }
   FDUtils::SetCloseOnExec(epoll_fd_);
   // Register the interrupt_fd with the epoll instance.
   struct epoll_event event;
   event.events = EPOLLIN;
   event.data.ptr = NULL;
-  int status = NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_,
-                                           EPOLL_CTL_ADD,
-                                           interrupt_fds_[0],
-                                           &event));
+  int status = NO_RETRY_EXPECTED(
+      epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, interrupt_fds_[0], &event));
   if (status == -1) {
     FATAL("Failed adding interrupt fd to epoll instance");
   }
   timer_fd_ = NO_RETRY_EXPECTED(timerfd_create(CLOCK_MONOTONIC, TFD_CLOEXEC));
   if (timer_fd_ == -1) {
     FATAL1("Failed creating timerfd file descriptor: %i", errno);
   }
   // Register the timer_fd_ with the epoll instance.
   event.events = EPOLLIN;
   event.data.fd = timer_fd_;
-  status = NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_,
-                                       EPOLL_CTL_ADD,
-                                       timer_fd_,
-                                       &event));
+  status =
+      NO_RETRY_EXPECTED(epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, timer_fd_, &event));
   if (status == -1) {
-    FATAL2(
-        "Failed adding timerfd fd(%i) to epoll instance: %i", timer_fd_, errno);
+    FATAL2("Failed adding timerfd fd(%i) to epoll instance: %i", timer_fd_,
+           errno);
   }
 }
 
 
 static void DeleteDescriptorInfo(void* info) {
   DescriptorInfo* di = reinterpret_cast<DescriptorInfo*>(info);
   di->Close();
   delete di;
 }
 
 
 EventHandlerImplementation::~EventHandlerImplementation() {
   socket_map_.Clear(DeleteDescriptorInfo);
   VOID_TEMP_FAILURE_RETRY(close(epoll_fd_));
   VOID_TEMP_FAILURE_RETRY(close(timer_fd_));
   VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[0]));
   VOID_TEMP_FAILURE_RETRY(close(interrupt_fds_[1]));
 }
 
 
 void EventHandlerImplementation::UpdateEpollInstance(intptr_t old_mask,
-                                                     DescriptorInfo *di) {
+                                                     DescriptorInfo* di) {
   intptr_t new_mask = di->Mask();
   if ((old_mask != 0) && (new_mask == 0)) {
     RemoveFromEpollInstance(epoll_fd_, di);
   } else if ((old_mask == 0) && (new_mask != 0)) {
     AddToEpollInstance(epoll_fd_, di);
   } else if ((old_mask != 0) && (new_mask != 0) && (old_mask != new_mask)) {
     ASSERT(!di->IsListeningSocket());
     RemoveFromEpollInstance(epoll_fd_, di);
     AddToEpollInstance(epoll_fd_, di);
   }
 }
 
 
 DescriptorInfo* EventHandlerImplementation::GetDescriptorInfo(
-    intptr_t fd, bool is_listening) {
+    intptr_t fd,
+    bool is_listening) {
   ASSERT(fd >= 0);
-  HashMap::Entry* entry = socket_map_.Lookup(
-      GetHashmapKeyFromFd(fd), GetHashmapHashFromFd(fd), true);
+  HashMap::Entry* entry = socket_map_.Lookup(GetHashmapKeyFromFd(fd),
+                                             GetHashmapHashFromFd(fd), true);
   ASSERT(entry != NULL);
   DescriptorInfo* di = reinterpret_cast<DescriptorInfo*>(entry->value);
   if (di == NULL) {
     // If there is no data in the hash map for this file descriptor a
     // new DescriptorInfo for the file descriptor is inserted.
     if (is_listening) {
       di = new DescriptorInfoMultiple(fd);
     } else {
       di = new DescriptorInfoSingle(fd);
     }
@@ skipping 41 matching lines @@
         it.it_value.tv_sec = millis / 1000;
         it.it_value.tv_nsec = (millis % 1000) * 1000000;
       }
       VOID_NO_RETRY_EXPECTED(
           timerfd_settime(timer_fd_, TFD_TIMER_ABSTIME, &it, NULL));
     } else if (msg[i].id == kShutdownId) {
       shutdown_ = true;
     } else {
       ASSERT((msg[i].data & COMMAND_MASK) != 0);
 
-      DescriptorInfo* di = GetDescriptorInfo(
-          msg[i].id, IS_LISTENING_SOCKET(msg[i].data));
+      DescriptorInfo* di =
+          GetDescriptorInfo(msg[i].id, IS_LISTENING_SOCKET(msg[i].data));
       if (IS_COMMAND(msg[i].data, kShutdownReadCommand)) {
         ASSERT(!di->IsListeningSocket());
         // Close the socket for reading.
         VOID_NO_RETRY_EXPECTED(shutdown(di->fd(), SHUT_RD));
       } else if (IS_COMMAND(msg[i].data, kShutdownWriteCommand)) {
         ASSERT(!di->IsListeningSocket());
         // Close the socket for writing.
         VOID_NO_RETRY_EXPECTED(shutdown(di->fd(), SHUT_WR));
       } else if (IS_COMMAND(msg[i].data, kCloseCommand)) {
         // Close the socket and free system resources and move on to next
         // message.
         intptr_t old_mask = di->Mask();
         Dart_Port port = msg[i].dart_port;
         di->RemovePort(port);
         intptr_t new_mask = di->Mask();
         UpdateEpollInstance(old_mask, di);
 
         intptr_t fd = di->fd();
         if (di->IsListeningSocket()) {
           // We only close the socket file descriptor from the operating
           // system if there are no other dart socket objects which
           // are listening on the same (address, port) combination.
-          ListeningSocketRegistry *registry =
+          ListeningSocketRegistry* registry =
               ListeningSocketRegistry::Instance();
 
           MutexLocker locker(registry->mutex());
 
           if (registry->CloseSafe(fd)) {
             ASSERT(new_mask == 0);
             socket_map_.Remove(GetHashmapKeyFromFd(fd),
                                GetHashmapHashFromFd(fd));
             di->Close();
             delete di;
           }
         } else {
           ASSERT(new_mask == 0);
-          socket_map_.Remove(
-              GetHashmapKeyFromFd(fd), GetHashmapHashFromFd(fd));
+          socket_map_.Remove(GetHashmapKeyFromFd(fd), GetHashmapHashFromFd(fd));
           di->Close();
           delete di;
         }
 
         DartUtils::PostInt32(port, 1 << kDestroyedEvent);
       } else if (IS_COMMAND(msg[i].data, kReturnTokenCommand)) {
         int count = TOKEN_COUNT(msg[i].data);
         intptr_t old_mask = di->Mask();
         di->ReturnTokens(msg[i].dart_port, count);
         UpdateEpollInstance(old_mask, di);
@@ skipping 27 matching lines @@
   }
   if ((events & EPOLLERR) != 0) {
     Log::Print("EPOLLERR ");
   }
   if ((events & EPOLLHUP) != 0) {
     Log::Print("EPOLLHUP ");
   }
   if ((events & EPOLLRDHUP) != 0) {
     Log::Print("EPOLLRDHUP ");
   }
-  int all_events = EPOLLIN | EPOLLPRI | EPOLLOUT |
-      EPOLLERR | EPOLLHUP | EPOLLRDHUP;
+  int all_events =
+      EPOLLIN | EPOLLPRI | EPOLLOUT | EPOLLERR | EPOLLHUP | EPOLLRDHUP;
   if ((events & ~all_events) != 0) {
     Log::Print("(and %08x) ", events & ~all_events);
   }
   Log::Print("(available %d) ", FDUtils::AvailableBytes(fd));
 
   Log::Print("\n");
 }
 #endif
 
 
@@ skipping 116 matching lines @@
   // The hashmap does not support keys with value 0.
   return dart::Utils::WordHash(fd + 1);
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)
 
 #endif  // !defined(DART_IO_DISABLED)