add oversampler

oversampling/WDL/setthreadname.h

@@ -0,0 +1,88 @@
+#ifndef _WDL_SETTHREADNAME_H_
+#define _WDL_SETTHREADNAME_H_
+
+#include "wdltypes.h"
+
+#if defined(_WIN32) && (defined(_DEBUG) || defined(WDL_SETTHREADNAME_WIN32_RELEASE))
+// thread names only work on win32 when running in a debugger, so they are not enabled
+// by default for release builds (defined WDL_SETTHREADNAME_WIN32_RELEASE if you wish to use
+// them)
+
+#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)
+
+static void WDL_SetThreadName(const char* threadName) {
+  const DWORD MS_VC_EXCEPTION = 0x406D1388;
+  THREADNAME_INFO info;
+  info.dwType = 0x1000;
+  info.szName = threadName;
+  info.dwThreadID = (DWORD)-1;
+  info.dwFlags = 0;
+#pragma warning(push)
+#if _MSC_VER < 1300 && !defined(_WIN64)
+#define ULONG_PTR ULONG
+#else
+#pragma warning(disable: 6320 6322)
+#endif
+  __try {
+    RaiseException(MS_VC_EXCEPTION, 0, sizeof(info) / sizeof(ULONG_PTR), (ULONG_PTR*)&info);
+  }
+  __except (EXCEPTION_EXECUTE_HANDLER) {
+  }
+#pragma warning(pop)
+}
+
+#elif defined(__APPLE__)
+
+#include <pthread.h>
+#include <CoreServices/CoreServices.h>
+#include <AvailabilityMacros.h>
+
+extern "C" 
+{
+  void *objc_getClass(const char *p);
+#ifndef _OBJC_OBJC_H_
+  void *sel_getUid(const char *p);
+#endif
+  void objc_msgSend(void);
+};
+
+static void WDL_STATICFUNC_UNUSED WDL_SetThreadName(const char* threadName) {
+  void *(*send_msg)(void *, void *) = (void *(*)(void *, void *))objc_msgSend;
+  void (*send_msg_cfstring)(void *, void *, CFStringRef) = (void (*)(void *, void *, CFStringRef))objc_msgSend;
+
+  void *ct=send_msg( objc_getClass("NSThread"), sel_getUid("currentThread"));
+  CFStringRef tn=CFStringCreateWithCString(NULL,threadName,kCFStringEncodingUTF8);
+  send_msg_cfstring(ct,sel_getUid("setName:"), tn);
+  CFRelease(tn);
+#ifdef MAC_OS_X_VERSION_10_6
+  pthread_setname_np(threadName);
+#endif
+}
+
+#elif defined(__linux__)
+
+#include <pthread.h>
+
+static void WDL_STATICFUNC_UNUSED WDL_SetThreadName(const char* threadName) {
+  char tmp[16];
+  int x;
+  for (x=0;*threadName && x<15; threadName++) if (*threadName != ' ') tmp[x++]=*threadName;
+  tmp[x]=0;
+  pthread_setname_np(pthread_self(),tmp);
+}
+
+#else
+
+#define WDL_SetThreadName(x) do { } while (0)
+
+#endif
+
+#endif