diff options
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/fs/open.c b/fs/open.c index 6cd48a61cda3..073ea3c45347 100644 --- a/fs/open.c +++ b/fs/open.c @@ -1310,6 +1310,26 @@ SYSCALL_DEFINE1(close, unsigned int, fd) return retval; } +/** + * close_range() - Close all file descriptors in a given range. + * + * @fd: starting file descriptor to close + * @max_fd: last file descriptor to close + * @flags: reserved for future extensions + * + * This closes a range of file descriptors. All file descriptors + * from @fd up to and including @max_fd are closed. + * Currently, errors to close a given file descriptor are ignored. + */ +SYSCALL_DEFINE3(close_range, unsigned int, fd, unsigned int, max_fd, + unsigned int, flags) +{ + if (flags) + return -EINVAL; + + return __close_range(current->files, fd, max_fd); +} + /* * This routine simulates a hangup on the tty, to arrange that users * are given clean terminals at login time. |