From e876fb6cf8cf0b79bbbb621da68396530c1f7298 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Fri, 13 Jul 2012 20:49:06 +0000
Subject: threadsafer debugging printout

svn path=/trunk/externals/iem/iemnet/; revision=16155
---
 iemnet.c | 35 +++++++++++++++++++++++++++++------
 iemnet.h |  6 ++++--
 2 files changed, 33 insertions(+), 8 deletions(-)

diff --git a/iemnet.c b/iemnet.c
index 048c2a2..8f3ba53 100644
--- a/iemnet.c
+++ b/iemnet.c
@@ -24,6 +24,10 @@
 
 #include "iemnet.h"
 #include <stdlib.h>
+
+#include <pthread.h>
+
+
 void iemnet__addrout(t_outlet*status_outlet, t_outlet*address_outlet, 
 		     long address, unsigned short port) {
 
@@ -133,19 +137,38 @@ void udpsend_setup(void);
 void udpserver_setup(void);
 #endif
 
-int iemnet_debuglevel_=0;
+static int iemnet_debuglevel_=0;
+static pthread_mutex_t debug_mtx = PTHREAD_MUTEX_INITIALIZER;
+
 void iemnet_debuglevel(void*x, t_float f) {
+  static int firsttime=1;
 #ifdef IEMNET_HAVE_DEBUG
-  iemnet_debuglevel_=(int)f;
-  post("iemnet: setting debuglevel to %d",iemnet_debuglevel_);
+  int debuglevel=(int)f;
+
+ pthread_mutex_lock(&debug_mtx);
+  iemnet_debuglevel_=debuglevel;
+ pthread_mutex_unlock(&debug_mtx);
+
+  post("iemnet: setting debuglevel to %d", debuglevel);
 #else
-  static int firsttime=1;
   if(firsttime)post("iemnet compiled without debug!");
-  firsttime=0;
 #endif
+  firsttime=0;
 }
 
-
+int iemnet_debug(int debuglevel, const char*file, unsigned int line, const char*function) {
+#ifdef IEMNET_HAVE_DEBUG
+  int debuglevel_=0;
+ pthread_mutex_lock(&debug_mtx);
+  debuglevel_=iemnet_debuglevel_;
+ pthread_mutex_unlock(&debug_mtx);
+  if(debuglevel_ & debuglevel) {
+    startpost("[%s:%d#%d] ", function, line, debuglevel);
+    return 1;
+  }
+#endif
+  return 0;
+}
 
 IEMNET_EXTERN void iemnet_setup(void) {
 #ifdef _MSC_VER
diff --git a/iemnet.h b/iemnet.h
index 4aab051..93204cf 100644
--- a/iemnet.h
+++ b/iemnet.h
@@ -244,13 +244,15 @@ int iemnet__register(const char*name);
 # define IEMNET_HAVE_DEBUG 1
 #endif
 
-extern int iemnet_debuglevel_;
 void iemnet_debuglevel(void*,t_float);
+int iemnet_debug(int debuglevel, const char*file, unsigned int line, const char*function);
 #define DEBUGMETHOD(c) class_addmethod(c, (t_method)iemnet_debuglevel, gensym("debug"), A_FLOAT, 0)
 
+
+
 #ifdef DEBUG
 # undef DEBUG
-# define DEBUG if(iemnet_debuglevel_&DEBUGLEVEL)startpost("[%s:%d#%d]", __FUNCTION__, __LINE__, iemnet_debuglevel_), post
+# define DEBUG if(iemnet_debug(DEBUGLEVEL, __FILE__, __LINE__, __FUNCTION__))post
 #else
 static void debug_dummy(const char *format, ...)  {;}
 # define DEBUG debug_dummy
-- 
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