[general] moving ios and android project under ./platform folder

platform/default/src/mbgl/util/thread.cpp

@@ -0,0 +1,63 @@
+#include <mbgl/util/platform.hpp>
+#include <mbgl/platform/thread.hpp>
+#include <mbgl/util/logging.hpp>
+
+#include <string>
+
+#include <pthread.h>
+#include <sched.h>
+#include <sys/resource.h>
+
+namespace mbgl {
+namespace platform {
+
+std::string getCurrentThreadName() {
+    char name[32] = "unknown";
+#ifdef __linux__
+    pthread_getname_np(pthread_self(), name, sizeof(name));
+#endif
+
+    return name;
+}
+
+void setCurrentThreadName(const std::string& name) {
+#ifdef __linux__
+    if (name.size() > 15) { // Linux hard limit (see manpages).
+        pthread_setname_np(pthread_self(), name.substr(0, 15).c_str());
+    } else {
+        pthread_setname_np(pthread_self(), name.c_str());
+    }
+#endif
+}
+
+void makeThreadLowPriority() {
+#ifdef SCHED_IDLE
+    struct sched_param param;
+    param.sched_priority = 0;
+
+    if (sched_setscheduler(0, SCHED_IDLE, &param) != 0) {
+        Log::Warning(Event::General, "Couldn't set thread scheduling policy");
+    }
+#endif
+}
+
+void setCurrentThreadPriority(double priority) {
+    if (setpriority(PRIO_PROCESS, 0, int(priority)) < 0) {
+        Log::Warning(Event::General, "Couldn't set thread priority");
+    }
+
+#ifdef SCHED_OTHER
+    struct sched_param param;
+    param.sched_priority = 0;
+    if (sched_setscheduler(0, SCHED_OTHER, &param) != 0) {
+        Log::Warning(Event::General, "Couldn't set thread scheduling policy");
+    }
+#endif
+}
+
+void attachThread() {}
+
+void detachThread() {}
+
+} // namespace platform
+} // namespace mbgl