diff options
Diffstat (limited to 'sys/kern/kern_descrip.c')
| -rw-r--r-- | sys/kern/kern_descrip.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/sys/kern/kern_descrip.c b/sys/kern/kern_descrip.c index 599e917..c3e659a 100644 --- a/sys/kern/kern_descrip.c +++ b/sys/kern/kern_descrip.c @@ -1756,6 +1756,14 @@ setugidsafety(struct thread *td) FILEDESC_UNLOCK(fdp); } +/* + * If a specific file object occupies a specific file descriptor, + * close the file descriptor entry and drop a reference on the file + * object. This is a convenience function to handle a subsequent + * error in a function that calls falloc() that handles the race that + * another thread might have closed the file descriptor out from under + * the thread creating the file object. + */ void fdclose(struct filedesc *fdp, struct file *fp, int idx, struct thread *td) { |
