X-Git-Url: http://xvm.mit.edu/gitweb/invirt/third/libt4.git/blobdiff_plain/ebd5aef6dc92accb509b1cc67eaf72159f35cdfa..c06ef44e7af1571710fd31dd0ab068dd77b1eb2d:/threaded_log.h

diff --git a/threaded_log.h b/threaded_log.h
index bccd813..9a83bfb 100644
--- a/threaded_log.h
+++ b/threaded_log.h
@@ -1,46 +1,26 @@
 #ifndef threaded_log_h
 #define threaded_log_h
 
-#include "types.h"
+#include <string>
+#include <ostream>
 
-extern mutex cerr_mutex;
-extern map<thread::id, int> thread_name_map;
-extern int next_thread_num;
-extern map<void *, int> instance_name_map;
-extern int next_instance_num;
-extern char log_thread_prefix;
+struct locked_ostream {
+    std::ostream & s;
+    lock l;
+    locked_ostream(locked_ostream &&) = default;
+    ~locked_ostream() { s << std::endl; }
+    template <typename U>
+    locked_ostream & operator<<(U && u) { s << u; return *this; }
+};
 
-#define LOG_PREFIX { \
-    auto _thread_ = this_thread::get_id(); \
-    int _tid_ = thread_name_map[_thread_]; \
-    if (_tid_==0) \
-        _tid_ = thread_name_map[_thread_] = ++next_thread_num; \
-    auto _utime_ = duration_cast<microseconds>(system_clock::now().time_since_epoch()).count() % 1000000000; \
-    cerr << setfill('0') << dec << left << setw(9) << _utime_ << " "; \
-    cerr << setfill(' ') << log_thread_prefix << left << setw(2) << _tid_; \
-    cerr << " " << setw(20) << __FILE__ << " " << setw(18) << __func__; \
-}
-#define LOG_THIS_POINTER { \
-    int _self_ = instance_name_map[this]; \
-    if (_self_==0) \
-        _self_ = instance_name_map[this] = ++next_instance_num; \
-    cerr << "#" << left << setw(2) << _self_ << " "; \
-}
+locked_ostream && _log_prefix(locked_ostream && f, const string & file, const string & func);
+locked_ostream && _log_member(locked_ostream && f, const void *ptr);
+int _log_debug_level();
+lock _log_lock();
 
-#define LOG_NONMEMBER(_x_) { \
-    lock _cel_(cerr_mutex); \
-    LOG_PREFIX; \
-    cerr << _x_ << endl; \
-}
-#define LOG(_x_) { \
-    lock _cel_(cerr_mutex); \
-    LOG_PREFIX; \
-    LOG_THIS_POINTER; \
-    cerr << _x_ << endl; \
-}
+#define LOG_NONMEMBER _log_prefix(locked_ostream{std::cerr, _log_lock()}, __FILE__, __func__)
+#define LOG           _log_member(LOG_NONMEMBER, (const void *)this)
 
-extern int DEBUG_LEVEL;
-
-#define IF_LEVEL(level) if(DEBUG_LEVEL >= abs(level))
+#define IF_LEVEL(level) if(_log_debug_level() >= abs(level))
 
 #endif