newlib/libc/syscalls/sysfcntl.c

   1 /* connector for fcntl */
   2 /* only called from stdio/fdopen.c, so arg can be int. */
   3
   4 #include <reent.h>
   5 #include <errno.h>
   6
   7 int
   8 fcntl (int fd,
   9      int flag,
  10      int arg)
  11 {
  12 #ifdef HAVE_FCNTL
  13   return _fcntl_r (_REENT, fd, flag, arg);
  14 #else /* !HAVE_FCNTL */
  15   errno = ENOSYS;
  16   return -1;
  17 #endif /* !HAVE_FCNTL */
  18 }