diff options
Diffstat (limited to 'Modules/_posixsubprocess.c')
| -rw-r--r-- | Modules/_posixsubprocess.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Modules/_posixsubprocess.c b/Modules/_posixsubprocess.c index d520c8c769..81274e12c8 100644 --- a/Modules/_posixsubprocess.c +++ b/Modules/_posixsubprocess.c @@ -202,7 +202,18 @@ _close_open_fd_range_safe(int start_fd, int end_fd, PyObject* py_fds_to_keep) int fd_dir_fd; if (start_fd >= end_fd) return; - fd_dir_fd = open(FD_DIR, O_RDONLY | O_CLOEXEC, 0); +#ifdef O_CLOEXEC + fd_dir_fd = open(FD_DIR, O_RDONLY | O_CLOEXEC, 0); +#else + fd_dir_fd = open(FD_DIR, O_RDONLY, 0); +#ifdef FD_CLOEXEC + { + int old = fcntl(fd_dir_fd, F_GETFD); + if (old != -1) + fcntl(fd_dir_fd, F_SETFD, old | FD_CLOEXEC); + } +#endif +#endif if (fd_dir_fd == -1) { /* No way to get a list of open fds. */ _close_fds_by_brute_force(start_fd, end_fd, py_fds_to_keep); |