git: 60b699f99c81 - main - fd: add FILEDESC_FOREACH_{FDE,FP}

The branch main has been updated by mjg:

URL: https://cgit.FreeBSD.org/src/commit/?id=60b699f99c81fcc182c2ac7a5182545016811393

commit 60b699f99c81fcc182c2ac7a5182545016811393
Author:     Mateusz Guzik <mjg@FreeBSD.org>
AuthorDate: 2022-01-29 22:19:18 +0000
Commit:     Mateusz Guzik <mjg@FreeBSD.org>
CommitDate: 2022-02-13 13:07:08 +0000

    fd: add FILEDESC_FOREACH_{FDE,FP}
    
    Right now they naively walk the fd table just like all the other code,
    but that's going to change.
---
 sys/sys/filedesc.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/sys/sys/filedesc.h b/sys/sys/filedesc.h
index 0560a517c160..ed1f8989358e 100644
--- a/sys/sys/filedesc.h
+++ b/sys/sys/filedesc.h
@@ -183,6 +183,18 @@ struct filedesc_to_leader {
 	MPASS(curproc->p_fd == _fdp);						\
 	(curproc->p_numthreads == 1 && refcount_load(&_fdp->fd_refcnt) == 1);	\
 })
+#define	FILEDESC_FOREACH_FDE(fdp, _iterator, _fde)				\
+	struct filedesc *_fdp = (fdp);						\
+	int _lastfile = fdlastfile_single(_fdp);				\
+	for (_iterator = 0; _iterator <= _lastfile; _iterator++)		\
+		if ((_fde = &_fdp->fd_ofiles[_iterator])->fde_file != NULL)
+
+#define	FILEDESC_FOREACH_FP(fdp, _iterator, _fp)				\
+	struct filedesc *_fdp = (fdp);						\
+	int _lastfile = fdlastfile_single(_fdp);				\
+	for (_iterator = 0; _iterator <= _lastfile; _iterator++)		\
+		if ((_fp = _fdp->fd_ofiles[_iterator].fde_file) != NULL)
+
 #else
 
 /*