[Lldb-commits] [lldb] r128493 - /lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp

[Jim Ingham]

Author: jingham
Date: Tue Mar 29 16:45:47 2011
New Revision: 128493

URL: http://llvm.org/viewvc/llvm-project?rev=128493&view=rev
Log:
Can't just call "rand" to get a random port, 'cause then you'll get the same sequence in two lldb's.  This makes running lldb on lldb not work very well.  

Modified:
    lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp

Modified: lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp
URL: http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp?rev=128493&r1=128492&r2=128493&view=diff
==============================================================================
--- lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp (original)
+++ lldb/trunk/source/Plugins/Process/gdb-remote/ProcessGDBRemote.cpp Tue Mar 29 16:45:47 2011
@@ -54,9 +54,16 @@
 using namespace lldb;
 using namespace lldb_private;
 
+static bool rand_initialized = false;
+
 static inline uint16_t
 get_random_port ()
 {
+    if (!rand_initialized)
+    {
+        rand_initialized = true;
+        sranddev();
+    }
     return (rand() % (UINT16_MAX - 1000u)) + 1000u;
 }