diff options
Diffstat (limited to 'lib/dup2.c')
| -rw-r--r-- | lib/dup2.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/dup2.c b/lib/dup2.c index 89b40c466..9709b7a64 100644 --- a/lib/dup2.c +++ b/lib/dup2.c @@ -1,6 +1,6 @@ /* Duplicate an open file descriptor to a specified file descriptor. - Copyright (C) 1999, 2004-2007, 2009-2013 Free Software Foundation, Inc. + Copyright (C) 1999, 2004-2007, 2009-2014 Free Software Foundation, Inc. This program is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by @@ -96,7 +96,11 @@ rpl_dup2 (int fd, int desired_fd) /* On Linux kernels 2.6.26-2.6.29, dup2 (fd, fd) returns -EBADF. On Cygwin 1.5.x, dup2 (1, 1) returns 0. On Cygwin 1.7.17, dup2 (1, -1) dumps core. + On Cygwin 1.7.25, dup2 (1, 256) can dump core. On Haiku, dup2 (fd, fd) mistakenly clears FD_CLOEXEC. */ +# if HAVE_SETDTABLESIZE + setdtablesize (desired_fd + 1); +# endif if (desired_fd < 0) fd = desired_fd; if (fd == desired_fd) |