diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 4ff64a3e3..3ed0f4f95 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -161,8 +161,9 @@ dup3 (int oldfd, int newfd, int flags) set_errno (cfd < 0 ? EBADF : EINVAL); res = -1; } - else - res = cygheap->fdtab.dup3 (oldfd, newfd, flags); + else if ((res = cygheap->fdtab.dup3 (oldfd, newfd, flags)) == newfd) + cygheap->fdtab[newfd]->refcnt (1); + syscall_printf ("%R = dup3(%d, %d, %p)", res, oldfd, newfd, flags); return res; } |