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#include <mbgl/util/logging.hpp>
#include <mbgl/util/platform.hpp>
#include <mbgl/platform/thread.hpp>
#include <sys/prctl.h>
#include <sys/resource.h>
#include <cassert>
#include "jni.hpp"
// Implementation based on Chromium's platform_thread_android.cc.
namespace mbgl {
namespace platform {
thread_local static JNIEnv* env;
thread_local static bool detach;
std::string getCurrentThreadName() {
char name[32] = "unknown";
if (prctl(PR_GET_NAME, name) == -1) {
Log::Warning(Event::General, "Couldn't get thread name");
}
return name;
}
void setCurrentThreadName(const std::string& name) {
if (prctl(PR_SET_NAME, name.c_str()) == -1) {
Log::Warning(Event::General, "Couldn't set thread name");
}
}
void makeThreadLowPriority() {
// ANDROID_PRIORITY_LOWEST = 19
//
// Supposedly would set the priority for the whole process, but
// on Linux/Android it only sets for the current thread.
setpriority(PRIO_PROCESS, 0, 19);
}
void attachThread() {
using namespace android;
assert(env == nullptr);
detach = attach_jni_thread(theJVM, &env, platform::getCurrentThreadName());
}
void detachThread() {
using namespace android;
assert(env);
detach_jni_thread(theJVM, &env, detach);
}
} // namespace platform
} // namespace mbgl
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