+
+void
+LocalWriter::open(void) {
+
+ static unsigned dwCounter = 0;
+
+ const char *szExtension = "trace";
+ char szFileName[PATH_MAX];
+ const char *lpFileName;
+
+ lpFileName = getenv("TRACE_FILE");
+ if (lpFileName) {
+ strncpy(szFileName, lpFileName, PATH_MAX);
+ }
+ else {
+ char szProcessName[PATH_MAX];
+ char szCurrentDir[PATH_MAX];
+ OS::GetProcessName(szProcessName, PATH_MAX);
+ OS::GetCurrentDir(szCurrentDir, PATH_MAX);
+
+ for (;;) {
+ FILE *file;
+
+ if (dwCounter)
+ snprintf(szFileName, PATH_MAX, "%s%c%s.%u.%s", szCurrentDir, PATH_SEP, szProcessName, dwCounter, szExtension);
+ else
+ snprintf(szFileName, PATH_MAX, "%s%c%s.%s", szCurrentDir, PATH_SEP, szProcessName, szExtension);
+
+ file = fopen(szFileName, "rb");
+ if (file == NULL)
+ break;
+
+ fclose(file);
+
+ ++dwCounter;
+ }
+ }
+
+ OS::DebugMessage("apitrace: tracing to %s\n", szFileName);
+
+ Writer::open(szFileName);
+}
+
+unsigned LocalWriter::beginEnter(const FunctionSig *sig) {
+ OS::AcquireMutex();
+
+ if (!m_file->isOpened()) {
+ open();
+ }
+
+ return Writer::beginEnter(sig);
+}
+
+void LocalWriter::endEnter(void) {
+ Writer::endEnter();
+ OS::ReleaseMutex();
+}
+
+void LocalWriter::beginLeave(unsigned call) {
+ OS::AcquireMutex();
+ Writer::beginLeave(call);
+}
+
+void LocalWriter::endLeave(void) {
+ Writer::endLeave();
+ m_file->flush();
+ OS::ReleaseMutex();
+}
+
+