Simple thread PAL type (until core/ is rewritten).

src/xenia/core/sources.gypi

@@ -11,6 +11,8 @@
     'pal.h',
     'ref.cc',
     'ref.h',
+    'thread.cc',
+    'thread.h',
   ],
 
   'conditions': [

src/xenia/core/thread.cc

@@ -0,0 +1,137 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include <xenia/core/thread.h>
+
+
+typedef struct xe_thread {
+  xe_ref_t ref;
+
+  char* name;
+
+  xe_thread_callback callback;
+  void* callback_param;
+
+  void* handle;
+} xe_thread_t;
+
+
+
+xe_thread_ref xe_thread_create(
+    xe_pal_ref pal, const char* name, xe_thread_callback callback,
+    void* param) {
+  xe_thread_ref thread = (xe_thread_ref)xe_calloc(sizeof(xe_thread_t));
+  xe_ref_init((xe_ref)thread);
+
+  thread->name = xestrdupa(name);
+  thread->callback = callback;
+  thread->callback_param = param;
+
+  return thread;
+}
+
+void xe_thread_dealloc(xe_thread_ref thread) {
+  thread->handle = NULL;
+  xe_free(thread->name);
+}
+
+xe_thread_ref xe_thread_retain(xe_thread_ref thread) {
+  xe_ref_retain((xe_ref)thread);
+  return thread;
+}
+
+void xe_thread_release(xe_thread_ref thread) {
+  xe_ref_release((xe_ref)thread, (xe_ref_dealloc_t)xe_thread_dealloc);
+}
+
+#if XE_PLATFORM(WIN32)
+
+// http://msdn.microsoft.com/en-us/library/xcb2z8hs.aspx
+#pragma pack(push,8)
+typedef struct tagTHREADNAME_INFO
+{
+   DWORD dwType; // Must be 0x1000.
+   LPCSTR szName; // Pointer to name (in user addr space).
+   DWORD dwThreadID; // Thread ID (-1=caller thread).
+   DWORD dwFlags; // Reserved for future use, must be zero.
+} THREADNAME_INFO;
+#pragma pack(pop)
+
+#pragma warning(disable : 6320; disable : 6322)
+static uint32_t __stdcall xe_thread_callback_win32(void* param) {
+  xe_thread_t* thread = reinterpret_cast<xe_thread_t*>(param);
+
+  if (IsDebuggerPresent()) {
+    THREADNAME_INFO info;
+    info.dwType     = 0x1000;
+    info.szName     = thread->name;
+    info.dwThreadID = (DWORD)-1;
+    info.dwFlags    = 0;
+    __try {
+        RaiseException(0x406D1388, 0, sizeof(info) / sizeof(ULONG_PTR),
+                       (ULONG_PTR*)&info);
+    } __except(EXCEPTION_EXECUTE_HANDLER) {
+    }
+  }
+
+  thread->callback(thread->callback_param);
+  return 0;
+}
+#pragma warning(default : 6320; default : 6322)
+
+int xe_thread_start(xe_thread_ref thread) {
+  HANDLE thread_handle = CreateThread(
+      NULL,
+      0,
+      (LPTHREAD_START_ROUTINE)xe_thread_callback_win32,
+      thread,
+      0,
+      NULL);
+  if (!handle) {
+    uint32_t last_error = GetLastError();
+    // TODO(benvanik): translate?
+    XELOGE(XT("CreateThread failed with %d"), last_error);
+    return last_error;
+  }
+
+  thread->handle = reinterpret_cast<void*>(thread_handle);
+
+  return 0;
+}
+
+#else
+
+static void* xe_thread_callback_pthreads(void* param) {
+  xe_thread_t* thread = reinterpret_cast<xe_thread_t*>(param);
+  XEIGNORE(pthread_setname_np(thread->name));
+  thread->callback(thread->callback_param);
+  return 0;
+}
+
+int xe_thread_start(xe_thread_ref thread) {
+  pthread_attr_t attr;
+  pthread_attr_init(&attr);
+  pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
+  pthread_t thread_handle;
+  int result_code = pthread_create(
+      &thread_handle,
+      &attr,
+      &xe_thread_callback_pthreads,
+      thread);
+  pthread_attr_destroy(&attr);
+  if (result_code) {
+    return result_code;
+  }
+
+  thread->handle = reinterpret_cast<void*>(thread_handle);
+
+  return 0;
+}
+
+#endif  // WIN32

src/xenia/core/thread.h

@@ -0,0 +1,33 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_CORE_THREAD_H_
+#define XENIA_CORE_THREAD_H_
+
+#include <xenia/common.h>
+#include <xenia/core/pal.h>
+#include <xenia/core/ref.h>
+
+
+struct xe_thread;
+typedef struct xe_thread* xe_thread_ref;
+
+
+typedef void (*xe_thread_callback)(void* param);
+
+
+xe_thread_ref xe_thread_create(
+    xe_pal_ref pal, const char* name, xe_thread_callback callback, void* param);
+xe_thread_ref xe_thread_retain(xe_thread_ref thread);
+void xe_thread_release(xe_thread_ref thread);
+
+int xe_thread_start(xe_thread_ref thread);
+
+
+#endif  // XENIA_CORE_THREAD_H_