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* [newlib-cygwin] Cygwin: dup: fix handle inheritence for disk file pread/pwrite handle
@ 2021-08-30 19:57 Corinna Vinschen
0 siblings, 0 replies; only message in thread
From: Corinna Vinschen @ 2021-08-30 19:57 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=9069cb91710d55735af5115681712ba4c2894276
commit 9069cb91710d55735af5115681712ba4c2894276
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Mon Aug 30 21:56:33 2021 +0200
Cygwin: dup: fix handle inheritence for disk file pread/pwrite handle
The handle is created non-inheritable but gets inheritable when
dup'ing the file descriptor. Fix that.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/fhandler_disk_file.cc | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/winsup/cygwin/fhandler_disk_file.cc b/winsup/cygwin/fhandler_disk_file.cc
index 6170427b0..33d885819 100644
--- a/winsup/cygwin/fhandler_disk_file.cc
+++ b/winsup/cygwin/fhandler_disk_file.cc
@@ -1444,7 +1444,7 @@ fhandler_disk_file::dup (fhandler_base *child, int flags)
if (!ret && prw_handle
&& !DuplicateHandle (GetCurrentProcess (), prw_handle,
GetCurrentProcess (), &fhc->prw_handle,
- 0, TRUE, DUPLICATE_SAME_ACCESS))
+ 0, FALSE, DUPLICATE_SAME_ACCESS))
fhc->prw_handle = NULL;
return ret;
}
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2021-08-30 19:57 [newlib-cygwin] Cygwin: dup: fix handle inheritence for disk file pread/pwrite handle Corinna Vinschen
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