ext/sleepy_penguin/missing_epoll.h

   1 #ifndef EPOLL_CLOEXEC
   2 #  define EPOLL_CLOEXEC (int)(02000000)
   3 #endif
   4
   5 #ifndef HAVE_EPOLL_CREATE1
   6 /*
   7  * fake epoll_create1() since some systems don't have it.
   8  * Don't worry about thread-safety since current Ruby 1.9 won't
   9  * call this without GVL.
  10  */
  11 static int my_epoll_create1(int flags)
  12 {
  13         int fd = epoll_create(1024); /* size ignored since 2.6.8 */
  14
  15         if (fd < 0 || flags == 0)
  16                 return fd;
  17
  18         if ((flags & EPOLL_CLOEXEC) && (fcntl(fd, F_SETFD, FD_CLOEXEC) < 0))
  19                 goto err;
  20         return fd;
  21 err:
  22         {
  23                 int saved_errno = errno;
  24                 close(fd);
  25                 errno = saved_errno;
  26                 return -1;
  27         }
  28 }
  29 #  define epoll_create1 my_epoll_create1
  30 #endif