diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/fcntl.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/fs/fcntl.c b/fs/fcntl.c index 78b2ff044054..c9db73fc5e3d 100644 --- a/fs/fcntl.c +++ b/fs/fcntl.c @@ -110,7 +110,7 @@ out: return error; } -static int dupfd(struct file *file, unsigned int start) +static int dupfd(struct file *file, unsigned int start, int cloexec) { struct files_struct * files = current->files; struct fdtable *fdt; @@ -122,7 +122,10 @@ static int dupfd(struct file *file, unsigned int start) /* locate_fd() may have expanded fdtable, load the ptr */ fdt = files_fdtable(files); FD_SET(fd, fdt->open_fds); - FD_CLR(fd, fdt->close_on_exec); + if (cloexec) + FD_SET(fd, fdt->close_on_exec); + else + FD_CLR(fd, fdt->close_on_exec); spin_unlock(&files->file_lock); fd_install(fd, file); } else { @@ -195,7 +198,7 @@ asmlinkage long sys_dup(unsigned int fildes) struct file * file = fget(fildes); if (file) - ret = dupfd(file, 0); + ret = dupfd(file, 0, 0); return ret; } @@ -319,8 +322,9 @@ static long do_fcntl(int fd, unsigned int cmd, unsigned long arg, switch (cmd) { case F_DUPFD: + case F_DUPFD_CLOEXEC: get_file(filp); - err = dupfd(filp, arg); + err = dupfd(filp, arg, cmd == F_DUPFD_CLOEXEC); break; case F_GETFD: err = get_close_on_exec(fd) ? FD_CLOEXEC : 0; |