diff options
Diffstat (limited to 'sysdeps/unix')
| -rw-r--r-- | sysdeps/unix/sysv/linux/spawni.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/spawni.c b/sysdeps/unix/sysv/linux/spawni.c index 679534b79d..fda8593287 100644 --- a/sysdeps/unix/sysv/linux/spawni.c +++ b/sysdeps/unix/sysv/linux/spawni.c @@ -219,6 +219,14 @@ __spawni_child (void *arguments) case spawn_do_open: { + /* POSIX states that if fildes was already an open file descriptor, + it shall be closed before the new file is opened. This avoid + pontential issues when posix_spawn plus addopen action is called + with the process already at maximum number of file descriptor + opened and also for multiple actions on single-open special + paths (like /dev/watchdog). */ + close_not_cancel (action->action.open_action.fd); + ret = open_not_cancel (action->action.open_action.path, action->action. open_action.oflag | O_LARGEFILE, |