OutputDebugStringF fix for Mac FileVault problem, take 3

(cannot use a CRITICAL_BLOCK because of undefined order calling static destructors;
instead, keep debug.log open, and tell people to use copytruncate when doing
log rotation)


git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@183 1a98c847-1fd6-4fd8-948a-caf3550aa51b

util.cpp

@@ -145,8 +145,6 @@ int GetRandInt(int nMax)
 
 inline int OutputDebugStringF(const char* pszFormat, ...)
 {
-    static CCriticalSection cs_OutputDebugStringF;
-
     int ret = 0;
     if (fPrintToConsole)
     {
@@ -157,22 +155,17 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
         va_end(arg_ptr);
     }
     else
-    {
-        CRITICAL_BLOCK(cs_OutputDebugStringF)
     {
         // print to debug.log
         static FILE* fileout = NULL;
-            static int64 nOpenTime = 0;
 
-            if (GetTime()-nOpenTime > 10 * 60)
+        if (!fileout)
         {
-                if (fileout)
-                    fclose(fileout);
             char pszFile[MAX_PATH+100];
             GetDataDir(pszFile);
             strlcat(pszFile, "/debug.log", sizeof(pszFile));
             fileout = fopen(pszFile, "a");
-                nOpenTime = GetTime();
+            setbuf(fileout, NULL); // unbuffered
         }
         if (fileout)
         {
@@ -182,14 +175,14 @@ inline int OutputDebugStringF(const char* pszFormat, ...)
             va_start(arg_ptr, pszFormat);
             ret = vfprintf(fileout, pszFormat, arg_ptr);
             va_end(arg_ptr);
-                fflush(fileout);
-            }
         }
     }
 
 #ifdef __WXMSW__
     if (fPrintToDebugger)
     {
+        static CCriticalSection cs_OutputDebugStringF;
+
         // accumulate a line at a time
         CRITICAL_BLOCK(cs_OutputDebugStringF)
         {