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..31667a1 --- /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 3 of the License, 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. If not, see <http://www.gnu.org/licenses/>. +*/ + +#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_ */ |