VM: Re-format to use at most one newline between functions

runtime/bin/process_macos.cc

Index: runtime/bin/process_macos.cc
diff --git a/runtime/bin/process_macos.cc b/runtime/bin/process_macos.cc
index 582a8eae1ad14e4f1847ee9dc25038123aae2460..b59a0f094d07d6d1ce66ea661cdd29da1d6748bc 100644
--- a/runtime/bin/process_macos.cc
+++ b/runtime/bin/process_macos.cc
@@ -12,15 +12,15 @@
 #if !HOST_OS_IOS
 #include <crt_externs.h>  // NOLINT
 #endif
-#include <errno.h>   // NOLINT
-#include <fcntl.h>   // NOLINT
+#include <errno.h>      // NOLINT
+#include <fcntl.h>      // NOLINT
 #include <mach/mach.h>  // NOLINT
-#include <poll.h>    // NOLINT
-#include <signal.h>  // NOLINT
-#include <stdio.h>   // NOLINT
-#include <stdlib.h>  // NOLINT
-#include <string.h>  // NOLINT
-#include <unistd.h>  // NOLINT
+#include <poll.h>       // NOLINT
+#include <signal.h>     // NOLINT
+#include <stdio.h>      // NOLINT
+#include <stdlib.h>     // NOLINT
+#include <string.h>     // NOLINT
+#include <unistd.h>     // NOLINT
 
 #include "bin/dartutils.h"
 #include "bin/fdutils.h"
@@ -64,7 +64,6 @@ class ProcessInfo {
   DISALLOW_COPY_AND_ASSIGN(ProcessInfo);
 };
 
-
 // Singly-linked list of ProcessInfo objects for all active processes
 // started from Dart.
 class ProcessInfoList {
@@ -76,7 +75,6 @@ class ProcessInfoList {
     active_processes_ = info;
   }
 
-
   static intptr_t LookupProcessExitFd(pid_t pid) {
     MutexLocker locker(mutex_);
     ProcessInfo* current = active_processes_;
@@ -89,7 +87,6 @@ class ProcessInfoList {
     return 0;
   }
 
-
   static void RemoveProcess(pid_t pid) {
     MutexLocker locker(mutex_);
     ProcessInfo* prev = NULL;
@@ -121,11 +118,9 @@ class ProcessInfoList {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProcessInfoList);
 };
 
-
 ProcessInfo* ProcessInfoList::active_processes_ = NULL;
 Mutex* ProcessInfoList::mutex_ = new Mutex();
 
-
 // The exit code handler sets up a separate thread which waits for child
 // processes to terminate. That separate thread can then get the exit code from
 // processes that have exited and communicate it to Dart through the
@@ -239,13 +234,11 @@ class ExitCodeHandler {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ExitCodeHandler);
 };
 
-
 bool ExitCodeHandler::running_ = false;
 int ExitCodeHandler::process_count_ = 0;
 bool ExitCodeHandler::terminate_done_ = false;
 Monitor* ExitCodeHandler::monitor_ = new Monitor();
 
-
 class ProcessStarter {
  public:
   ProcessStarter(const char* path,
@@ -298,7 +291,6 @@ class ProcessStarter {
     }
   }
 
-
   int Start() {
     // Create pipes required.
     int err = CreatePipes();
@@ -431,7 +423,6 @@ class ProcessStarter {
     return 0;
   }
 
-
   void NewProcess() {
     // Wait for parent process before setting up the child process.
     char msg;
@@ -447,7 +438,6 @@ class ProcessStarter {
     }
   }
 
-
   void ExecProcess() {
     if (TEMP_FAILURE_RETRY(dup2(write_out_[0], STDIN_FILENO)) == -1) {
       ReportChildError();
@@ -481,7 +471,6 @@ class ProcessStarter {
     ReportChildError();
   }
 
-
   void ExecDetachedProcess() {
     if (mode_ == kDetached) {
       ASSERT(write_out_[0] == -1);
@@ -539,7 +528,6 @@ class ProcessStarter {
     }
   }
 
-
   int RegisterProcess(pid_t pid) {
     int result;
     int event_fds[2];
@@ -556,7 +544,6 @@ class ProcessStarter {
     return 0;
   }
 
-
   int ReadExecResult() {
     int child_errno;
     int bytes_read = -1;
@@ -574,7 +561,6 @@ class ProcessStarter {
     return 0;
   }
 
-
   int ReadDetachedExecResult(pid_t* pid) {
     int child_errno;
     int bytes_read = -1;
@@ -597,7 +583,6 @@ class ProcessStarter {
     return 0;
   }
 
-
   void SetupDetached() {
     ASSERT(mode_ == kDetached);
 
@@ -660,7 +645,6 @@ class ProcessStarter {
     VOID_TEMP_FAILURE_RETRY(close(read_err_[1]));
   }
 
-
   int CleanupAndReturnError() {
     int actual_errno = errno;
     // If CleanupAndReturnError is called without an actual errno make
@@ -673,7 +657,6 @@ class ProcessStarter {
     return actual_errno;
   }
 
-
   void SetChildOsErrorMessage() {
     const int kBufferSize = 1024;
     char* error_message = DartUtils::ScopedCString(kBufferSize);
@@ -681,7 +664,6 @@ class ProcessStarter {
     *os_error_message_ = error_message;
   }
 
-
   void ReportChildError() {
     // In the case of failure in the child process write the errno and
     // the OS error message to the exec control pipe and exit.
@@ -699,7 +681,6 @@ class ProcessStarter {
     exit(1);
   }
 
-
   void ReportPid(int pid) {
     // In the case of starting a detached process the actual pid of that process
     // is communicated using the exec control pipe.
@@ -709,7 +690,6 @@ class ProcessStarter {
     USE(bytes_written);
   }
 
-
   void ReadChildError() {
     const int kMaxMessageSize = 256;
     char* message = DartUtils::ScopedCString(kMaxMessageSize);
@@ -723,7 +703,6 @@ class ProcessStarter {
     }
   }
 
-
   void ClosePipe(int* fds) {
     for (int i = 0; i < 2; i++) {
       if (fds[i] != -1) {
@@ -733,7 +712,6 @@ class ProcessStarter {
     }
   }
 
-
   void CloseAllPipes() {
     ClosePipe(exec_control_);
     ClosePipe(read_in_);
@@ -741,7 +719,6 @@ class ProcessStarter {
     ClosePipe(write_out_);
   }
 
-
   int read_in_[2];       // Pipe for stdout to child process.
   int read_err_[2];      // Pipe for stderr to child process.
   int write_out_[2];     // Pipe for stdin to child process.
@@ -764,7 +741,6 @@ class ProcessStarter {
   DISALLOW_IMPLICIT_CONSTRUCTORS(ProcessStarter);
 };
 
-
 int Process::Start(const char* path,
                    char* arguments[],
                    intptr_t arguments_length,
@@ -784,7 +760,6 @@ int Process::Start(const char* path,
   return starter.Start();
 }
 
-
 static bool CloseProcessBuffers(struct pollfd fds[3]) {
   int e = errno;
   VOID_TEMP_FAILURE_RETRY(close(fds[0].fd));
@@ -794,7 +769,6 @@ static bool CloseProcessBuffers(struct pollfd fds[3]) {
   return false;
 }
 
-
 bool Process::Wait(intptr_t pid,
                    intptr_t in,
                    intptr_t out,
@@ -888,7 +862,6 @@ bool Process::Wait(intptr_t pid,
   return true;
 }
 
-
 static int SignalMap(intptr_t id) {
   switch (static_cast<ProcessSignals>(id)) {
     case kSighup:
@@ -953,22 +926,18 @@ static int SignalMap(intptr_t id) {
   return -1;
 }
 
-
 bool Process::Kill(intptr_t id, int signal) {
   return (TEMP_FAILURE_RETRY(kill(id, SignalMap(signal))) != -1);
 }
 
-
 void Process::TerminateExitCodeHandler() {
   ExitCodeHandler::TerminateExitCodeThread();
 }
 
-
 intptr_t Process::CurrentProcessId() {
   return static_cast<intptr_t>(getpid());
 }
 
-
 int64_t Process::CurrentRSS() {
   struct mach_task_basic_info info;
   mach_msg_type_number_t infoCount = MACH_TASK_BASIC_INFO_COUNT;
@@ -981,7 +950,6 @@ int64_t Process::CurrentRSS() {
   return info.resident_size;
 }
 
-
 int64_t Process::MaxRSS() {
   struct rusage usage;
   usage.ru_maxrss = 0;
@@ -992,7 +960,6 @@ int64_t Process::MaxRSS() {
   return usage.ru_maxrss;
 }
 
-
 static Mutex* signal_mutex = new Mutex();
 static SignalInfo* signal_handlers = NULL;
 static const int kSignalsCount = 7;
@@ -1001,12 +968,10 @@ static const int kSignals[kSignalsCount] = {
     SIGQUIT  // Allow VMService to listen on SIGQUIT.
 };
 
-
 SignalInfo::~SignalInfo() {
   VOID_TEMP_FAILURE_RETRY(close(fd_));
 }
 
-
 static void SignalHandler(int signal) {
   MutexLocker lock(signal_mutex);
   const SignalInfo* handler = signal_handlers;
@@ -1019,7 +984,6 @@ static void SignalHandler(int signal) {
   }
 }
 
-
 intptr_t Process::SetSignalHandler(intptr_t signal) {
   signal = SignalMap(signal);
   if (signal == -1) {
@@ -1075,7 +1039,6 @@ intptr_t Process::SetSignalHandler(intptr_t signal) {
   return fds[0];
 }
 
-
 void Process::ClearSignalHandler(intptr_t signal, Dart_Port port) {
   // Either the port is illegal or there is no current isolate, but not both.
   ASSERT((port != ILLEGAL_PORT) || (Dart_CurrentIsolate() == NULL));