diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 42c1924f5..350c762b5 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -139,8 +139,8 @@ dup2 (int oldfd, int newfd) cygheap_fdget cfd (oldfd); res = (cfd >= 0) ? oldfd : -1; } - else - res = cygheap->fdtab.dup3 (oldfd, newfd, 0); + else if ((res = cygheap->fdtab.dup3 (oldfd, newfd, 0)) == newfd) + cygheap->fdtab[newfd]->refcnt (1); syscall_printf ("%R = dup2(%d, %d)", res, oldfd, newfd); return res; |