fuchsia: base_unittests (mostly) compiling

base/test/launcher/test_launcher.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "base/test/launcher/test_launcher.h"
 
 #include <memory>
 
 #include "base/at_exit.h"
 #include "base/bind.h"
@@ skipping 96 matching lines @@
   static auto* map = new std::map<ProcessHandle, CommandLine>;
   return map;
 }
 
 // Performance trace generator.
 TestLauncherTracer* GetTestLauncherTracer() {
   static auto* tracer = new TestLauncherTracer;
   return tracer;
 }
 
-#if defined(OS_POSIX)
+#if defined(OS_POSIX) && !defined(OS_FUCHSIA)
 // Self-pipe that makes it possible to do complex shutdown handling
 // outside of the signal handler.
 int g_shutdown_pipe[2] = { -1, -1 };
 
 void ShutdownPipeSignalHandler(int signal) {
   HANDLE_EINTR(write(g_shutdown_pipe[1], "q", 1));
 }
 
 void KillSpawnedTestProcesses() {
   // Keep the lock until exiting the process to prevent further processes
@@ skipping 35 matching lines @@
 // Terminates any launched child processes and exits the process.
 void OnShutdownPipeReadable() {
   fprintf(stdout, "\nCaught signal. Killing spawned test processes...\n");
   fflush(stdout);
 
   KillSpawnedTestProcesses();
 
   // The signal would normally kill the process, so exit now.
   _exit(1);
 }
-#endif  // defined(OS_POSIX)
+#endif  // defined(OS_POSIX) && !defined(OS_FUCHSIA)
 
 // Parses the environment variable var as an Int32.  If it is unset, returns
 // true.  If it is set, unsets it then converts it to Int32 before
 // returning it in |result|.  Returns true on success.
 bool TakeInt32FromEnvironment(const char* const var, int32_t* result) {
   std::unique_ptr<Environment> env(Environment::Create());
   std::string str_val;
 
   if (!env->GetVar(var, &str_val))
     return true;
@@ skipping 333 matching lines @@
 TestLauncher::~TestLauncher() {}
 
 bool TestLauncher::Run() {
   if (!Init())
     return false;
 
   // Value of |cycles_| changes after each iteration. Keep track of the
   // original value.
   int requested_cycles = cycles_;
 
-#if defined(OS_POSIX)
+#if defined(OS_POSIX) && !defined(OS_FUCHSIA)

[Nico, 2017/05/17 15:52:54]

Do you expect to never need this? If so, why not? (Add comment.) If you think we
should add it later, add TODO.

[scottmg, 2017/05/17 16:52:51]

Done.

   CHECK_EQ(0, pipe(g_shutdown_pipe));
 
   struct sigaction action;
   memset(&action, 0, sizeof(action));
   sigemptyset(&action.sa_mask);
   action.sa_handler = &ShutdownPipeSignalHandler;
 
   CHECK_EQ(0, sigaction(SIGINT, &action, NULL));
   CHECK_EQ(0, sigaction(SIGQUIT, &action, NULL));
   CHECK_EQ(0, sigaction(SIGTERM, &action, NULL));
 
   auto controller = base::FileDescriptorWatcher::WatchReadable(
       g_shutdown_pipe[0], base::Bind(&OnShutdownPipeReadable));
-#endif  // defined(OS_POSIX)
+#endif  // defined(OS_POSIX) && !defined(OS_FUCHSIA)
 
   // Start the watchdog timer.
   watchdog_timer_.Reset();
 
   ThreadTaskRunnerHandle::Get()->PostTask(
       FROM_HERE, BindOnce(&TestLauncher::RunTestIteration, Unretained(this)));
 
   RunLoop().Run();
 
   if (requested_cycles != 1)
@@ skipping 120 matching lines @@
       result.status == TestResult::TEST_UNKNOWN) {
     test_broken_count_++;
   }
   size_t broken_threshold =
       std::max(static_cast<size_t>(20), test_found_count_ / 10);
   if (!force_run_broken_tests_ && test_broken_count_ >= broken_threshold) {
     fprintf(stdout, "Too many badly broken tests (%" PRIuS "), exiting now.\n",
             test_broken_count_);
     fflush(stdout);
 
-#if defined(OS_POSIX)
+#if defined(OS_POSIX) && !defined(OS_FUCHSIA)
     KillSpawnedTestProcesses();
-#endif  // defined(OS_POSIX)
+#endif  // defined(OS_POSIX) && !defined(OS_FUCHSIA)
 
     MaybeSaveSummaryAsJSON({"BROKEN_TEST_EARLY_EXIT", kUnreliableResultsTag});
 
     exit(1);
   }
 
   if (test_finished_count_ != test_started_count_)
     return;
 
   if (tests_to_retry_.empty() || retry_count_ >= retry_limit_) {
@@ skipping 517 matching lines @@
   }
 
   std::string snippet(full_output.substr(run_pos));
   if (end_pos != std::string::npos)
     snippet = full_output.substr(run_pos, end_pos - run_pos);
 
   return snippet;
 }
 
 }  // namespace base