aboutsummaryrefslogtreecommitdiff
path: root/winsup
diff options
context:
space:
mode:
authorTakashi Yano <takashi.yano@nifty.ne.jp>2022-03-30 12:46:08 +0900
committerTakashi Yano <takashi.yano@nifty.ne.jp>2022-03-30 12:46:08 +0900
commit49a00a0673e7318f7f27719ab2f0ac8eb3c6b439 (patch)
tree78c58b9deaddb0faf3b9e7bd47ff3200b0f9f4dd /winsup
parentbe9c0561e7da91b2d5c589a43f9c0fea1e684f2d (diff)
downloadnewlib-49a00a0673e7318f7f27719ab2f0ac8eb3c6b439.zip
newlib-49a00a0673e7318f7f27719ab2f0ac8eb3c6b439.tar.gz
newlib-49a00a0673e7318f7f27719ab2f0ac8eb3c6b439.tar.bz2
Cygwin: pty: Fix crash on master close in Windows 7.
- The 4th parameter of WriteFile() cannot be NULL especially in Windows 7 as mentioned in Microsoft documentation. This patch fixes that. Addresses: https://cygwin.com/pipermail/cygwin/2022-March/251162.html
Diffstat (limited to 'winsup')
-rw-r--r--winsup/cygwin/fhandler_tty.cc2
-rw-r--r--winsup/cygwin/release/3.3.53
2 files changed, 4 insertions, 1 deletions
diff --git a/winsup/cygwin/fhandler_tty.cc b/winsup/cygwin/fhandler_tty.cc
index e29b93c..4cb5f14 100644
--- a/winsup/cygwin/fhandler_tty.cc
+++ b/winsup/cygwin/fhandler_tty.cc
@@ -2106,7 +2106,7 @@ fhandler_pty_master::close ()
}
release_output_mutex ();
get_ttyp ()->stop_fwd_thread = true;
- WriteFile (to_master_nat, "", 0, NULL, NULL);
+ WriteFile (to_master_nat, "", 0, &len, NULL);
master_fwd_thread->detach ();
}
}
diff --git a/winsup/cygwin/release/3.3.5 b/winsup/cygwin/release/3.3.5
index d2a7f77..9d44c1b 100644
--- a/winsup/cygwin/release/3.3.5
+++ b/winsup/cygwin/release/3.3.5
@@ -43,3 +43,6 @@ Bug Fixes
- Fix a formatting problem in gmondump where all displayed addresses are
mistakenly prefixed with "0x0x".
+
+- Fix crash on pty master close in Windows 7.
+ Addresses: https://cygwin.com/pipermail/cygwin/2022-March/251162.html