diff options
Diffstat (limited to 'include/filecntl.h')
| -rw-r--r-- | include/filecntl.h | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/include/filecntl.h b/include/filecntl.h new file mode 100644 index 0000000..2304d5d --- /dev/null +++ b/include/filecntl.h @@ -0,0 +1,45 @@ +/* filecntl.h - Definitions to set file descriptors to close-on-exec. */ + +/* Copyright (C) 1993 Free Software Foundation, Inc. + + This file is part of GNU Bash, the Bourne Again SHell. + + Bash is free software; you can redistribute it and/or modify it under + the terms of the GNU General Public License as published by the Free + Software Foundation; either version 2, or (at your option) any later + version. + + Bash is distributed in the hope that it will be useful, but WITHOUT ANY + WARRANTY; without even the implied warranty of MERCHANTABILITY or + FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + for more details. + + You should have received a copy of the GNU General Public License along + with Bash; see the file COPYING. If not, write to the Free Software + Foundation, 59 Temple Place, Suite 330, Boston, MA 02111 USA. */ + +#if !defined (_FILECNTL_H_) +#define _FILECNTL_H_ + +#include <fcntl.h> + +/* Definitions to set file descriptors to close-on-exec, the Posix way. */ +#if !defined (FD_CLOEXEC) +#define FD_CLOEXEC 1 +#endif + +#define FD_NCLOEXEC 0 + +#define SET_CLOSE_ON_EXEC(fd) (fcntl ((fd), F_SETFD, FD_CLOEXEC)) +#define SET_OPEN_ON_EXEC(fd) (fcntl ((fd), F_SETFD, FD_NCLOEXEC)) + +/* How to open a file in non-blocking mode, the Posix.1 way. */ +#if !defined (O_NONBLOCK) +# if defined (O_NDELAY) +# define O_NONBLOCK O_NDELAY +# else +# define O_NONBLOCK 0 +# endif +#endif + +#endif /* ! _FILECNTL_H_ */ |