Move signal_blocker to platform and use it by default in TEMP_FAILURE_RETRY.

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.
 
 #include "platform/globals.h"
 #if defined(TARGET_OS_LINUX)
 
 #include "bin/eventhandler.h"
 
 #include <errno.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 <fcntl.h>  // NOLINT
 
 #include "bin/dartutils.h"
 #include "bin/fdutils.h"
 #include "bin/log.h"
 #include "bin/socket.h"
-#include "platform/hashmap.h"
+#include "platform/signal_blocker.h"
 #include "platform/thread.h"
 #include "platform/utils.h"
 
 
 namespace dart {
 namespace bin {
 
 static const int kTimerId = -1;
 
 
 static void AddToEpollInstance(intptr_t epoll_fd_,
                                int fd, Dart_Port port,
                                int mask) {
   struct epoll_event event;
   event.events = EPOLLET | EPOLLRDHUP;
   if ((mask & (1 << kInEvent)) != 0) event.events |= EPOLLIN;
   if ((mask & (1 << kOutEvent)) != 0) event.events |= EPOLLOUT;
   // Be sure we don't collide with the TIMER_BIT.
   if (port == ILLEGAL_PORT) {
     FATAL("Illigal port sent to event handler");
   }
   event.data.u64 = port;
-  int status = TEMP_FAILURE_RETRY(epoll_ctl(epoll_fd_,
-                                            EPOLL_CTL_ADD,
-                                            fd,
-                                            &event));
+  int status = epoll_ctl(epoll_fd_, EPOLL_CTL_ADD, fd, &event);
   if (status == -1) {
     // 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.
     DartUtils::PostInt32(port, 1 << kCloseEvent);
   }
 }
 
 
 EventHandlerImplementation::EventHandlerImplementation() : shutdown_(false) {
   // The initial size passed to epoll_create is ignore on newer (>=
   // 2.6.8) Linux versions
   static const int kEpollInitialSize = 64;
-  epoll_fd_ = TEMP_FAILURE_RETRY(epoll_create(kEpollInitialSize));
+  epoll_fd_ = epoll_create(kEpollInitialSize);
   if (epoll_fd_ == -1) {
     FATAL("Failed creating epoll file descriptor");
   }
   FDUtils::SetCloseOnExec(epoll_fd_);
-  timer_fd_ = TEMP_FAILURE_RETRY(timerfd_create(CLOCK_REALTIME, TFD_CLOEXEC));
+  timer_fd_ = timerfd_create(CLOCK_REALTIME, TFD_CLOEXEC);
   if (epoll_fd_ == -1) {
     FATAL("Failed creating timerfd file descriptor");
   }
   // Register the timer_fd_ with the epoll instance.
   struct epoll_event event;
   event.events = EPOLLIN;
   event.data.u64 = ILLEGAL_PORT;  // Use ILLEGAL_PORT to identify timer-fd.
-  int status = TEMP_FAILURE_RETRY(epoll_ctl(epoll_fd_,
-                                            EPOLL_CTL_ADD,
-                                            timer_fd_,
-                                            &event));
+  int status = 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);
   }
 }
 
 
 EventHandlerImplementation::~EventHandlerImplementation() {
   TEMP_FAILURE_RETRY(close(epoll_fd_));
   TEMP_FAILURE_RETRY(close(timer_fd_));
@@ skipping 137 matching lines @@
       // Add to epoll - this is the first time we see it.
       AddToEpollInstance(epoll_fd_, id, dart_port, data);
     }
   }
 }
 
 }  // namespace bin
 }  // namespace dart
 
 #endif  // defined(TARGET_OS_LINUX)