[PATCH 1/4] msttsengine: Implement init_tts and free_tts.

[Shaun Ren]

From: Shaun Ren

Also introduce a unixlib stub.
---
 dlls/msttsengine/Makefile.in      |  4 ++-
 dlls/msttsengine/main.c           |  6 ++++
 dlls/msttsengine/tts.c            | 19 ++++++++++
 dlls/msttsengine/ttseng_private.h | 10 ++++++
 dlls/msttsengine/unixlib.c        | 59 +++++++++++++++++++++++++++++++
 5 files changed, 97 insertions(+), 1 deletion(-)
 create mode 100644 dlls/msttsengine/unixlib.c

diff --git a/dlls/msttsengine/Makefile.in b/dlls/msttsengine/Makefile.in
index 9a1fc965f2c..b6c9b9d27c2 100644
--- a/dlls/msttsengine/Makefile.in
+++ b/dlls/msttsengine/Makefile.in
@@ -1,7 +1,9 @@
 MODULE      = msttsengine.dll
+UNIXLIB     = msttsengine.so
 IMPORTS     = ole32

SOURCES = \
    main.c \
    tts.c \
-	ttseng_classes.idl
+	ttseng_classes.idl \
+	unixlib.c
diff --git a/dlls/msttsengine/main.c b/dlls/msttsengine/main.c
index bb8ddae3e0f..735a3c53305 100644
--- a/dlls/msttsengine/main.c
+++ b/dlls/msttsengine/main.c
@@ -39,7 +39,13 @@ BOOL WINAPI DllMain(HINSTANCE instance, DWORD reason, void *reserved)
     if (reason == DLL_PROCESS_ATTACH)
     {
         DisableThreadLibraryCalls(instance);
+        __wine_init_unix_call();
     }
+    else if (reason == DLL_PROCESS_DETACH)
+    {
+        free_tts();
+    }
+
     return TRUE;
 }

diff --git a/dlls/msttsengine/tts.c b/dlls/msttsengine/tts.c
index f895b35e216..fac8fb05743 100644
--- a/dlls/msttsengine/tts.c
+++ b/dlls/msttsengine/tts.c
@@ -31,6 +31,8 @@

#include "wine/debug.h"

+#include "ttseng_private.h"
+
 WINE_DEFAULT_DEBUG_CHANNEL(msttsengine);

struct ttsengine
@@ -42,6 +44,9 @@ struct ttsengine
     ISpObjectToken *token;
 };

+static INIT_ONCE init_once = INIT_ONCE_STATIC_INIT;
+static tts_t tts = 0;
+
 static inline struct ttsengine *impl_from_ISpTTSEngine(ISpTTSEngine *iface)
 {
     return CONTAINING_RECORD(iface, struct ttsengine, ISpTTSEngine_iface);
@@ -52,6 +57,17 @@ static inline struct ttsengine *impl_from_ISpObjectWithToken(ISpObjectWithToken
     return CONTAINING_RECORD(iface, struct ttsengine, ISpObjectWithToken_iface);
 }

+static BOOL WINAPI init_tts(INIT_ONCE *once, void *param, void **ctx)
+{
+    WINE_UNIX_CALL(unix_tts_create, &tts);
+    return tts != 0;
+}
+
+void free_tts(void)
+{
+    if (tts) WINE_UNIX_CALL(unix_tts_destroy, &tts);
+}
+
 static HRESULT WINAPI ttsengine_QueryInterface(ISpTTSEngine *iface, REFIID iid, void **obj)
 {
     struct ttsengine *This = impl_from_ISpTTSEngine(iface);
@@ -204,6 +220,9 @@ HRESULT ttsengine_create(REFIID iid, void **obj)
     struct ttsengine *This;
     HRESULT hr;

+    if (!InitOnceExecuteOnce(&init_once, init_tts, NULL, NULL) || !tts)
+        return E_FAIL;
+
     if (!(This = malloc(sizeof(*This))))
         return E_OUTOFMEMORY;

diff --git a/dlls/msttsengine/ttseng_private.h b/dlls/msttsengine/ttseng_private.h
index 0c55b660bf1..04c0807dc25 100644
--- a/dlls/msttsengine/ttseng_private.h
+++ b/dlls/msttsengine/ttseng_private.h
@@ -26,6 +26,16 @@
 #include "windef.h"
 #include "winternl.h"

+#include "wine/unixlib.h"
+
+void free_tts(void);
 HRESULT ttsengine_create(REFIID iid, void **obj);

+typedef UINT64 tts_t;
+enum unix_funcs
+{
+    unix_tts_create,
+    unix_tts_destroy,
+};
+
 #endif /* __WINE_TTSENG_PRIVATE_H */
diff --git a/dlls/msttsengine/unixlib.c b/dlls/msttsengine/unixlib.c
new file mode 100644
index 00000000000..fc2cc23f836
--- /dev/null
+++ b/dlls/msttsengine/unixlib.c
@@ -0,0 +1,59 @@
+/*
+ * MSTTSEngine unixlib.
+ *
+ * Copyright 2023 Shaun Ren for CodeWeavers
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
+ */
+
+#if 0
+#pragma makedep unix
+#endif
+
+#include <stdarg.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "ntstatus.h"
+#define WIN32_NO_STATUS
+#include "winternl.h"
+
+#include "ttseng_private.h"
+
+static NTSTATUS tts_create(void *args)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+static NTSTATUS tts_destroy(void *args)
+{
+    return STATUS_NOT_IMPLEMENTED;
+}
+
+const unixlib_entry_t __wine_unix_call_funcs[] =
+{
+    tts_create,
+    tts_destroy,
+};
+
+#ifdef _WIN64
+
+const unixlib_entry_t __wine_unix_call_wow64_funcs[] =
+{
+    tts_create,
+    tts_destroy,
+};
+
+#endif /* _WIN64 */