conhost: Add initial main loop implementation.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

programs/conhost/conhost.c

@@ -16,18 +16,137 @@
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  */
 
+#include <stdarg.h>
+#include <stdlib.h>
+#include <ntstatus.h>
+#define WIN32_NO_STATUS
+#include <windef.h>
+#include <winbase.h>
+#include <winuser.h>
+#include <winternl.h>
+
 #include "wine/debug.h"
 
 WINE_DEFAULT_DEBUG_CHANNEL(conhost);
 
-int __cdecl wmain(int argc, WCHAR *argv[])
+struct console
 {
-    int i;
+    HANDLE                server;        /* console server handle */
+};
 
-    WINE_FIXME("stub:");
-    for (i = 0; i < argc; i++)
-        WINE_FIXME(" %s", wine_dbgstr_w(argv[i]));
-    WINE_FIXME("\n");
+static int main_loop( struct console *console, HANDLE signal )
+{
+    HANDLE signal_event = NULL;
+    HANDLE wait_handles[2];
+    unsigned int wait_cnt = 0;
+    unsigned short signal_id;
+    IO_STATUS_BLOCK signal_io;
+    NTSTATUS status;
+    DWORD res;
+
+    if (signal)
+    {
+        if (!(signal_event = CreateEventW( NULL, TRUE, FALSE, NULL ))) return 1;
+        status = NtReadFile( signal, signal_event, NULL, NULL, &signal_io, &signal_id,
+                             sizeof(signal_id), NULL, NULL );
+        if (status && status != STATUS_PENDING) return 1;
+    }
+
+    wait_handles[wait_cnt++] = console->server;
+    if (signal) wait_handles[wait_cnt++] = signal_event;
+
+    for (;;)
+    {
+        res = WaitForMultipleObjects( wait_cnt, wait_handles, FALSE, INFINITE );
+
+        switch (res)
+        {
+        case WAIT_OBJECT_0:
+            FIXME( "console ioctls not yet implemented\n" );
+            return 1;
+
+        case WAIT_OBJECT_0 + 1:
+            if (signal_io.Status || signal_io.Information != sizeof(signal_id))
+            {
+                TRACE( "signaled quit\n" );
+                return 0;
+            }
+            FIXME( "unimplemented signal %x\n", signal_id );
+            status = NtReadFile( signal, signal_event, NULL, NULL, &signal_io, &signal_id,
+                                 sizeof(signal_id), NULL, NULL );
+            if (status && status != STATUS_PENDING) return 1;
+            break;
+
+        default:
+            TRACE( "wait failed, quit\n");
+            return 0;
+        }
+    }
 
     return 0;
 }
+
+int __cdecl wmain(int argc, WCHAR *argv[])
+{
+    int headless = 0, i, width = 80, height = 150;
+    HANDLE signal = NULL;
+    WCHAR *end;
+
+    static struct console console;
+
+    for (i = 0; i < argc; i++) TRACE("%s ", wine_dbgstr_w(argv[i]));
+    TRACE("\n");
+
+    for (i = 1; i < argc; i++)
+    {
+        if (!wcscmp( argv[i], L"--headless"))
+        {
+            headless = 1;
+            continue;
+        }
+        if (!wcscmp( argv[i], L"--width" ))
+        {
+            if (++i == argc) return 1;
+            width = wcstol( argv[i], &end, 0 );
+            if (!width || width > 0xffff || *end) return 1;
+            continue;
+        }
+        if (!wcscmp( argv[i], L"--height" ))
+        {
+            if (++i == argc) return 1;
+            height = wcstol( argv[i], &end, 0 );
+            if (!height || height > 0xffff || *end) return 1;
+            continue;
+        }
+        if (!wcscmp( argv[i], L"--signal" ))
+        {
+            if (++i == argc) return 1;
+            signal = ULongToHandle( wcstol( argv[i], &end, 0 ));
+            if (*end) return 1;
+            continue;
+        }
+        if (!wcscmp( argv[i], L"--server" ))
+        {
+            if (++i == argc) return 1;
+            console.server = ULongToHandle( wcstol( argv[i], &end, 0 ));
+            if (*end) return 1;
+            continue;
+        }
+        FIXME( "unknown option %s\n", debugstr_w(argv[i]) );
+        return 1;
+    }
+
+    if (!headless)
+    {
+        FIXME( "windowed mode not supported\n" );
+        return 0;
+    }
+
+    if (!console.server)
+    {
+        ERR( "no server handle\n" );
+        return 1;
+    }
+
+    return main_loop( &console, signal );
+}