wine-staging/patches/ntdll-CriticalSection/0002-ntdll-Add-inline-versions-of-RtlEnterCriticalSection.patch
2024-02-29 11:17:10 +11:00

66 lines
1.9 KiB
Diff

From 7e6c4ffa4bcf4e008a2cf4ed75c279058d002aac Mon Sep 17 00:00:00 2001
From: Sebastian Lackner <sebastian@fds-team.de>
Date: Sat, 5 Aug 2017 03:38:38 +0200
Subject: [PATCH] ntdll: Add inline versions of RtlEnterCriticalSection /
RtlLeaveCriticalSections.
---
dlls/ntdll/ntdll_misc.h | 34 ++++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/dlls/ntdll/ntdll_misc.h b/dlls/ntdll/ntdll_misc.h
index 24c583dd159..cffe27d847c 100644
--- a/dlls/ntdll/ntdll_misc.h
+++ b/dlls/ntdll/ntdll_misc.h
@@ -28,6 +28,7 @@
#include "winnt.h"
#include "winternl.h"
#include "unixlib.h"
+#include "wine/debug.h"
#include "wine/asm.h"
#define MAX_NT_PATH_LENGTH 277
@@ -105,6 +106,39 @@ extern void (FASTCALL *pBaseThreadInitThunk)(DWORD,LPTHREAD_START_ROUTINE,void *
extern struct _KUSER_SHARED_DATA *user_shared_data;
+/* inline version of RtlEnterCriticalSection */
+static inline void enter_critical_section( RTL_CRITICAL_SECTION *crit )
+{
+ if (InterlockedIncrement( &crit->LockCount ))
+ {
+ if (crit->OwningThread == ULongToHandle(GetCurrentThreadId()))
+ {
+ crit->RecursionCount++;
+ return;
+ }
+ RtlpWaitForCriticalSection( crit );
+ }
+ crit->OwningThread = ULongToHandle(GetCurrentThreadId());
+ crit->RecursionCount = 1;
+}
+
+/* inline version of RtlLeaveCriticalSection */
+static inline void leave_critical_section( RTL_CRITICAL_SECTION *crit )
+{
+ WINE_DECLARE_DEBUG_CHANNEL(ntdll);
+ if (--crit->RecursionCount)
+ {
+ if (crit->RecursionCount > 0) InterlockedDecrement( &crit->LockCount );
+ else ERR_(ntdll)( "section %p is not acquired\n", crit );
+ }
+ else
+ {
+ crit->OwningThread = 0;
+ if (InterlockedDecrement( &crit->LockCount ) >= 0)
+ RtlpUnWaitCriticalSection( crit );
+ }
+}
+
#ifdef _WIN64
static inline TEB64 *NtCurrentTeb64(void) { return NULL; }
#else
--
2.43.0