Import SDL release-1.2.15

Change-Id: I505c4aea24325cad475f217db5589814b4c75dbf

1 files changed, 162 insertions, 0 deletions

diff --git a/distrib/sdl-1.2.15/src/thread/win32/SDL_systhread.c b/distrib/sdl-1.2.15/src/thread/win32/SDL_systhread.c
new file mode 100644
index 0000000..55cb88a
--- /dev/null
+++ b/distrib/sdl-1.2.15/src/thread/win32/SDL_systhread.c
@@ -0,0 +1,162 @@
+/*
+    SDL - Simple DirectMedia Layer
+    Copyright (C) 1997-2012 Sam Lantinga
+
+    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
+
+    Sam Lantinga
+    slouken@libsdl.org
+*/
+#include "SDL_config.h"
+
+/* Win32 thread management routines for SDL */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+
+#include "SDL_thread.h"
+#include "../SDL_thread_c.h"
+#include "../SDL_systhread.h"
+
+#ifndef SDL_PASSED_BEGINTHREAD_ENDTHREAD
+#ifndef _WIN32_WCE
+/* We'll use the C library from this DLL */
+#include <process.h>
+#endif
+
+#if defined(__WATCOMC__)
+/* This is for Watcom targets except OS2 */
+#if __WATCOMC__ < 1240
+#define __watcall
+#endif
+typedef unsigned long (__watcall *pfnSDL_CurrentBeginThread) (void *, unsigned,
+        unsigned (__stdcall *func)(void *), void *arg, 
+        unsigned, unsigned *threadID);
+typedef void (__watcall *pfnSDL_CurrentEndThread)(unsigned code);
+#elif (defined(__MINGW32__) && (__GNUC__ < 4))
+typedef unsigned long (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned,
+        unsigned (__stdcall *func)(void *), void *arg, 
+        unsigned, unsigned *threadID);
+typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code);
+#else
+typedef uintptr_t (__cdecl *pfnSDL_CurrentBeginThread) (void *, unsigned,
+        unsigned (__stdcall *func)(void *), void *arg, 
+        unsigned, unsigned *threadID);
+typedef void (__cdecl *pfnSDL_CurrentEndThread)(unsigned code);
+#endif
+#endif /* !SDL_PASSED_BEGINTHREAD_ENDTHREAD */
+
+
+typedef struct ThreadStartParms
+{
+  void *args;
+  pfnSDL_CurrentEndThread pfnCurrentEndThread;
+} tThreadStartParms, *pThreadStartParms;
+
+static DWORD RunThread(void *data)
+{
+  pThreadStartParms pThreadParms = (pThreadStartParms)data;
+  pfnSDL_CurrentEndThread pfnCurrentEndThread = NULL;
+
+  // Call the thread function!
+  SDL_RunThread(pThreadParms->args);
+
+  // Get the current endthread we have to use!
+  if (pThreadParms)
+  {
+    pfnCurrentEndThread = pThreadParms->pfnCurrentEndThread;
+    SDL_free(pThreadParms);
+  }
+  // Call endthread!
+  if (pfnCurrentEndThread)
+    (*pfnCurrentEndThread)(0);
+  return(0);
+}
+
+static DWORD WINAPI RunThreadViaCreateThread(LPVOID data)
+{
+  return RunThread(data);
+}
+
+static unsigned __stdcall RunThreadViaBeginThreadEx(void *data)
+{
+  return (unsigned) RunThread(data);
+}
+
+#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
+int SDL_SYS_CreateThread(SDL_Thread *thread, void *args, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread)
+{
+#else
+int SDL_SYS_CreateThread(SDL_Thread *thread, void *args)
+{
+#ifdef _WIN32_WCE
+	pfnSDL_CurrentBeginThread pfnBeginThread = NULL;
+	pfnSDL_CurrentEndThread pfnEndThread = NULL;
+#else
+	pfnSDL_CurrentBeginThread pfnBeginThread = _beginthreadex;
+	pfnSDL_CurrentEndThread pfnEndThread = _endthreadex;
+#endif
+#endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
+	pThreadStartParms pThreadParms = (pThreadStartParms)SDL_malloc(sizeof(tThreadStartParms));
+	if (!pThreadParms) {
+		SDL_OutOfMemory();
+		return(-1);
+	}
+
+	// Save the function which we will have to call to clear the RTL of calling app!
+	pThreadParms->pfnCurrentEndThread = pfnEndThread;
+	// Also save the real parameters we have to pass to thread function
+	pThreadParms->args = args;
+
+	if (pfnBeginThread) {
+		unsigned threadid = 0;
+		thread->handle = (SYS_ThreadHandle)
+				((size_t) pfnBeginThread(NULL, 0, RunThreadViaBeginThreadEx,
+										 pThreadParms, 0, &threadid));
+	} else {
+		DWORD threadid = 0;
+		thread->handle = CreateThread(NULL, 0, RunThreadViaCreateThread, pThreadParms, 0, &threadid);
+	}
+	if (thread->handle == NULL) {
+		SDL_SetError("Not enough resources to create thread");
+		return(-1);
+	}
+	return(0);
+}
+
+void SDL_SYS_SetupThread(void)
+{
+	return;
+}
+
+Uint32 SDL_ThreadID(void)
+{
+	return((Uint32)GetCurrentThreadId());
+}
+
+void SDL_SYS_WaitThread(SDL_Thread *thread)
+{
+	WaitForSingleObject(thread->handle, INFINITE);
+	CloseHandle(thread->handle);
+}
+
+/* WARNING: This function is really a last resort.
+ * Threads should be signaled and then exit by themselves.
+ * TerminateThread() doesn't perform stack and DLL cleanup.
+ */
+void SDL_SYS_KillThread(SDL_Thread *thread)
+{
+	TerminateThread(thread->handle, FALSE);
+}