Some PNaCL compatibility fixes.

src/base/platform/platform-posix.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Platform-specific code for POSIX goes here. This is not a platform on its
 // own, but contains the parts which are the same across the POSIX platforms
 // Linux, MacOS, FreeBSD, OpenBSD, NetBSD and QNX.
 
-#include <dlfcn.h>
 #include <errno.h>
 #include <limits.h>
 #include <pthread.h>
 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
 #include <pthread_np.h>  // for pthread_set_name_np
 #endif
 #include <sched.h>  // for sched_yield
 #include <time.h>
 #include <unistd.h>
 
 #include <sys/mman.h>
 #include <sys/resource.h>
 #include <sys/stat.h>
+#if !defined(__pnacl__)
 #include <sys/syscall.h>
+#endif
 #include <sys/time.h>
 #include <sys/types.h>
-#if defined(__linux__)
+#if defined(__linux__) && !defined(__pnacl__)
 #include <sys/prctl.h>  // NOLINT, for prctl
 #endif
 #if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || \
     defined(__NetBSD__) || defined(__OpenBSD__)
 #include <sys/sysctl.h>  // NOLINT, for sysctl
 #endif
 
-#include <arpa/inet.h>
-#include <netdb.h>
-#include <netinet/in.h>
-
 #undef MAP_TYPE
 
 #if defined(ANDROID) && !defined(V8_ANDROID_LOG_STDOUT)
 #define LOG_TAG "v8"
 #include <android/log.h>  // NOLINT
 #endif
 
 #include <cmath>
 #include <cstdlib>
 
 #include "src/base/lazy-instance.h"
 #include "src/base/macros.h"
 #include "src/base/platform/platform.h"
 #include "src/base/platform/time.h"
 #include "src/base/utils/random-number-generator.h"
 
 #ifdef V8_FAST_TLS_SUPPORTED
 #include "src/base/atomicops.h"
 #endif
 
+#if V8_OS_MACOSX
+#include <dlfcn.h>
+#endif
+
 namespace v8 {
 namespace base {
 
 namespace {
 
 // 0 is never a valid thread id.
 const pthread_t kNoThread = (pthread_t) 0;
 
 bool g_hard_abort = false;
 
@@ skipping 177 matching lines @@
 
 
 int OS::GetCurrentProcessId() {
   return static_cast<int>(getpid());
 }
 
 
 int OS::GetCurrentThreadId() {
 #if defined(ANDROID)
   return static_cast<int>(syscall(__NR_gettid));
+#elif defined(SYS_gettid)
+  return static_cast<int>(syscall(SYS_gettid));
 #else
-  return static_cast<int>(syscall(SYS_gettid));
-#endif  // defined(ANDROID)
+  // PNaCL doesn't have a way to get an integral thread ID, but it doesn't
+  // really matter, because we only need it in PerfJitLogger::LogRecordedBuffer.
+  return 0;
+#endif
 }
 
 
 // ----------------------------------------------------------------------------
 // POSIX date/time support.
 //
 
 int OS::GetUserTime(uint32_t* secs,  uint32_t* usecs) {
   struct rusage usage;
 
@@ skipping 389 matching lines @@
 
 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
   pthread_key_t pthread_key = LocalKeyToPthreadKey(key);
   int result = pthread_setspecific(pthread_key, value);
   DCHECK_EQ(0, result);
   USE(result);
 }
 
 
 } }  // namespace v8::base