Changeset 15030

Timestamp:

Sep 25, 2007, 6:10:12 PM (19 years ago)

Author:

eugene

Message:

lock on init to avoid competition on init

File:

• trunk/Ohana/src/opihi/lib.shell/gprint.c (modified) (3 diffs)

trunk/Ohana/src/opihi/lib.shell/gprint.c

@@ -30 +30 @@
 static int Nstreams = 0;
 
+static pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
+
 void gprintInit () {
 
@@ -36 +38 @@
 
   /* need to use a mutex to prevent two threads from initing simultaneously */
+  pthread_mutex_lock (&mutex);
+
   if (streams == NULL) {
     Nstreams = 2;
@@ -66 +70 @@
   streams[N].mode = GP_FILE;
   streams[N].thread = id;
+
+  pthread_mutex_unlock (&mutex);
 }