threadsafer debugging printout

svn path=/trunk/externals/iem/iemnet/; revision=16155

1 files changed, 29 insertions, 6 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