Common: Cleanup thread includes.

src/common/thread.cpp

@@ -6,10 +6,19 @@
 
 #ifdef __APPLE__
     #include <mach/mach.h>
-#elif defined(BSD4_4) || defined(__OpenBSD__)
-#include <pthread_np.h>
 #elif defined(_WIN32)
     #include <Windows.h>
+#else
+    #if defined(BSD4_4) || defined(__OpenBSD__)
+        #include <pthread_np.h>
+    #else
+        #include <pthread.h>
+    #endif
+    #include <sched.h>
+#endif
+
+#ifndef _WIN32
+    #include <unistd.h>
 #endif
 
 namespace Common

src/common/thread.h

@@ -4,24 +4,12 @@
 
 #pragma once
 
-#include "common/common_types.h"
-#include <cstdio>
-#include <cstring>
+#include <cstddef>
 #include <thread>
 #include <condition_variable>
 #include <mutex>
 
-// This may not be defined outside _WIN32
-#ifndef _WIN32
-#ifndef INFINITE
-#define INFINITE 0xffffffff
-#endif
-
-//for gettimeofday and struct time(spec|val)
-#include <time.h>
-#include <sys/time.h>
-#include <unistd.h>
-#endif
+#include "common/common_types.h"
 
 // Support for C++11's thread_local keyword was surprisingly spotty in compilers until very
 // recently. Fortunately, thread local variables have been well supported for compilers for a while,