node/test/addons/shared-buffer/binding.cc

56 lines
1.0 KiB
C++

#include <node.h>
#include <v8.h>
#include <uv.h>
using namespace v8;
extern "C" {
void init(Handle<Object> target);
}
#define BUFSIZE 1024
static uint8_t buf[BUFSIZE];
static uv_mutex_t lock;
Handle<Value> Get(const Arguments& args) {
HandleScope scope;
int index = args[0]->Uint32Value();
if (index < 0 || BUFSIZE <= index) {
return ThrowException(Exception::Error(String::New("out of bounds")));
}
return scope.Close(Integer::New(buf[index]));
}
Handle<Value> Set(const Arguments& args) {
uv_mutex_lock(&lock);
HandleScope scope;
int index = args[0]->Uint32Value();
if (index < 0 || BUFSIZE <= index) {
return ThrowException(Exception::Error(String::New("out of bounds")));
}
buf[index] = args[1]->Uint32Value();
Local<Integer> val = Integer::New(buf[index]);
uv_mutex_unlock(&lock);
return scope.Close(val);
}
void init(Handle<Object> target) {
NODE_SET_METHOD(target, "get", Get);
NODE_SET_METHOD(target, "set", Set);
target->Set(String::New("length"), Integer::New(BUFSIZE));
uv_mutex_init(&lock);
}