From 29cc0422576f93bb032e966ae107b7cf9d717695 Mon Sep 17 00:00:00 2001
From: Zebediah Figura <z.figura12@gmail.com>
Date: Wed, 20 Nov 2019 18:54:23 -0600
Subject: [PATCH] ntdll-ThreadHideFromDebugger: Add patch.

---
 ...ryInformationThread-ThreadHideFromDe.patch | 28 +++++++++++++++++++
 .../ntdll-ThreadHideFromDebugger/definition   |  1 +
 patches/patchinstall.sh                       | 19 +++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 patches/ntdll-ThreadHideFromDebugger/0001-ntdll-Stub-NtQueryInformationThread-ThreadHideFromDe.patch
 create mode 100644 patches/ntdll-ThreadHideFromDebugger/definition

diff --git a/patches/ntdll-ThreadHideFromDebugger/0001-ntdll-Stub-NtQueryInformationThread-ThreadHideFromDe.patch b/patches/ntdll-ThreadHideFromDebugger/0001-ntdll-Stub-NtQueryInformationThread-ThreadHideFromDe.patch
new file mode 100644
index 00000000..addc320e
--- /dev/null
+++ b/patches/ntdll-ThreadHideFromDebugger/0001-ntdll-Stub-NtQueryInformationThread-ThreadHideFromDe.patch
@@ -0,0 +1,28 @@
+From 39813f58fc654ecd12f9ce5cf0d6e356e2e81697 Mon Sep 17 00:00:00 2001
+From: David Torok <dt@zeroitlab.com>
+Date: Tue, 19 Nov 2019 23:01:46 +0100
+Subject: [PATCH] ntdll: Stub NtQueryInformationThread(ThreadHideFromDebugger).
+
+---
+ dlls/ntdll/thread.c | 5 +++++
+ 1 file changed, 5 insertions(+)
+
+diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
+index 621aaddfe..512b4814e 100644
+--- a/dlls/ntdll/thread.c
++++ b/dlls/ntdll/thread.c
+@@ -1115,6 +1115,11 @@ NTSTATUS WINAPI NtQueryInformationThread( HANDLE handle, THREADINFOCLASS class,
+         *(BOOL*)data = FALSE;
+         if (ret_len) *ret_len = sizeof(BOOL);
+         return STATUS_SUCCESS;
++    case ThreadHideFromDebugger:
++        if (length != sizeof(char)) return STATUS_INFO_LENGTH_MISMATCH;
++        *(BOOLEAN *)data = TRUE;
++        if (ret_len) *ret_len = sizeof(BOOLEAN);
++        return STATUS_SUCCESS;
+     case ThreadPriority:
+     case ThreadBasePriority:
+     case ThreadImpersonationToken:
+-- 
+2.23.0
+
diff --git a/patches/ntdll-ThreadHideFromDebugger/definition b/patches/ntdll-ThreadHideFromDebugger/definition
new file mode 100644
index 00000000..24a72f4e
--- /dev/null
+++ b/patches/ntdll-ThreadHideFromDebugger/definition
@@ -0,0 +1 @@
+Fixes: [48138] League of Legends 9.23: Crash after champ select
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index 6a69960c..8e295a8a 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -218,6 +218,7 @@ patch_enable_all ()
 	enable_ntdll_SystemInterruptInformation="$1"
 	enable_ntdll_SystemModuleInformation="$1"
 	enable_ntdll_SystemRoot_Symlink="$1"
+	enable_ntdll_ThreadHideFromDebugger="$1"
 	enable_ntdll_ThreadTime="$1"
 	enable_ntdll_Threading="$1"
 	enable_ntdll_User_Shared_Data="$1"
@@ -776,6 +777,9 @@ patch_enable ()
 		ntdll-SystemRoot_Symlink)
 			enable_ntdll_SystemRoot_Symlink="$2"
 			;;
+		ntdll-ThreadHideFromDebugger)
+			enable_ntdll_ThreadHideFromDebugger="$2"
+			;;
 		ntdll-ThreadTime)
 			enable_ntdll_ThreadTime="$2"
 			;;
@@ -5098,6 +5102,21 @@ if test "$enable_ntdll_SystemModuleInformation" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset ntdll-ThreadHideFromDebugger
+# |
+# | This patchset fixes the following Wine bugs:
+# |   *	[#48138] League of Legends 9.23: Crash after champ select
+# |
+# | Modified files:
+# |   *	dlls/ntdll/thread.c
+# |
+if test "$enable_ntdll_ThreadHideFromDebugger" -eq 1; then
+	patch_apply ntdll-ThreadHideFromDebugger/0001-ntdll-Stub-NtQueryInformationThread-ThreadHideFromDe.patch
+	(
+		printf '%s\n' '+    { "David Torok", "ntdll: Stub NtQueryInformationThread(ThreadHideFromDebugger).", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset ntdll-Zero_mod_name
 # |
 # | Modified files: