diff options
Diffstat (limited to 'freebsd/sys/sys/file.h')
| -rw-r--r-- | freebsd/sys/sys/file.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/freebsd/sys/sys/file.h b/freebsd/sys/sys/file.h index 18274d67..2adbd0af 100644 --- a/freebsd/sys/sys/file.h +++ b/freebsd/sys/sys/file.h @@ -413,6 +413,13 @@ rtems_bsd_fdrop(struct file *fp) rtems_libio_iop_drop(&fp->f_io); } +/* + * WARNING: fdalloc() and falloc_caps() do not increment the reference count of + * the file descriptor in contrast to FreeBSD. We must not call the fdrop() + * corresponding to a fdalloc() or falloc_caps(). The reason for this is that + * FreeBSD performs a lazy cleanup once the reference count reaches zero. + * RTEMS uses the reference count to determine if a cleanup is allowed. + */ #define fdrop(fp, td) rtems_bsd_fdrop(fp) #endif /* __rtems__ */ |