sem2.c

用c++包装好的线程库,直接拿来使用,提高效率.

#include <thread.h>
#include <threads/semaphore.h>

using namespace cpp_threads;

int main()
{
  Pthread::setProject( "/tmp/sematest" );
  Semaphore sem(attributes::process_shared_e);

  sem.post();
  exit(0);
}