**************************************************************************/
#include <windows.h>
+#include <assert.h>
+#include <signal.h>
#include <string.h>
#include <stdio.h>
#include "os.hpp"
-#include "trace_write.hpp"
namespace OS {
void
DebugMessage(const char *format, ...)
{
- char buf[4096];
-
- va_list ap;
- va_start(ap, format);
- fflush(stdout);
- vsnprintf(buf, sizeof buf, format, ap);
- va_end(ap);
-
- OutputDebugStringA(buf);
- if (!IsDebuggerPresent()) {
- fflush(stdout);
- fputs(buf, stderr);
- fflush(stderr);
- }
+ char buf[4096];
+
+ va_list ap;
+ va_start(ap, format);
+ fflush(stdout);
+ vsnprintf(buf, sizeof buf, format, ap);
+ va_end(ap);
+
+ OutputDebugStringA(buf);
+
+ /*
+ * Also write the message to stderr, when a debugger is not present (to
+ * avoid duplicate messages in command line debuggers).
+ */
+#if _WIN32_WINNT > 0x0400
+ if (!IsDebuggerPresent()) {
+ fflush(stdout);
+ fputs(buf, stderr);
+ fflush(stderr);
+ }
+#endif
+}
+
+long long GetTime(void)
+{
+ static LARGE_INTEGER frequency;
+ LARGE_INTEGER counter;
+ if (!frequency.QuadPart)
+ QueryPerformanceFrequency(&frequency);
+ QueryPerformanceCounter(&counter);
+ return counter.QuadPart*1000000LL/frequency.QuadPart;
}
void
}
+static LPTOP_LEVEL_EXCEPTION_FILTER prevExceptionFilter = NULL;
+static void (*gCallback)(void) = NULL;
-} /* namespace OS */
+static LONG WINAPI UnhandledExceptionFilter(PEXCEPTION_POINTERS pExceptionInfo)
+{
+ if (gCallback) {
+ gCallback();
+ }
+
+ if (prevExceptionFilter) {
+ return prevExceptionFilter(pExceptionInfo);
+ } else {
+ return EXCEPTION_CONTINUE_SEARCH;
+ }
+}
+void
+SetExceptionCallback(void (*callback)(void))
+{
+ assert(!gCallback);
+
+ if (!gCallback) {
+ gCallback = callback;
-#if 0
-BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) {
- switch(fdwReason) {
- case DLL_PROCESS_ATTACH:
- case DLL_THREAD_ATTACH:
- return TRUE;
- case DLL_THREAD_DETACH:
- return TRUE;
- case DLL_PROCESS_DETACH:
- Trace::Close();
- return TRUE;
+ assert(!prevExceptionFilter);
+ prevExceptionFilter = SetUnhandledExceptionFilter(UnhandledExceptionFilter);
}
- (void)hinstDLL;
- (void)lpvReserved;
- return TRUE;
}
-#endif
+
+void
+ResetExceptionCallback(void)
+{
+ gCallback = NULL;
+}
+
+
+} /* namespace OS */