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* [newlib-cygwin] Cygwin: FIFO: fstatvfs: use our handle if O_PATH is set
@ 2020-01-28 19:06 Ken Brown
0 siblings, 0 replies; only message in thread
From: Ken Brown @ 2020-01-28 19:06 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=13d75fce48436e4f15bf97b4d2145078888994b0
commit 13d75fce48436e4f15bf97b4d2145078888994b0
Author: Ken Brown <kbrown@cornell.edu>
Date: Fri Jan 24 15:09:03 2020 -0500
Cygwin: FIFO: fstatvfs: use our handle if O_PATH is set
If O_PATH is set, then the fhandler_fifo object has a handle that can
be used for getting the statvfs information. Use it by calling
fhandler_base::fstatvfs_by_handle. Before this change,
fhandler_disk_file::fstatfvs was called on a new fhandler_disk_file
object, which would then have to be opened.
Diff:
---
winsup/cygwin/fhandler_fifo.cc | 8 ++++++++
1 file changed, 8 insertions(+)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index a338f12..ef568f6 100644
--- a/winsup/cygwin/fhandler_fifo.cc
+++ b/winsup/cygwin/fhandler_fifo.cc
@@ -906,6 +906,14 @@ errout:
int __reg2
fhandler_fifo::fstatvfs (struct statvfs *sfs)
{
+ if (get_flags () & O_PATH)
+ /* We already have a handle. */
+ {
+ HANDLE h = get_handle ();
+ if (h)
+ return fstatvfs_by_handle (h, sfs);
+ }
+
fhandler_disk_file fh (pc);
fh.get_device () = FH_FS;
return fh.fstatvfs (sfs);
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