[nemiver/follow-fork-mode] Don't loose track when following a child process

[Dodji Seketeli <dodji src gnome org>]

commit 9769d7fb6bc1de821344a2a24c859e14e2567637
Author: Dodji Seketeli <dodji redhat com>
Date:   Sat Jul 17 16:55:21 2010 +0200

    Don't loose track when following a child process
    
    	* src/dbgengine/nmv-gdb-engine.cc (GDBEngine::load_program): Do
    	not stop on SIGHUP not pass it to target. This is useful to avoid
    	loosing track when following the child process during a fork/exec
    	combination.

 src/dbgengine/nmv-gdb-engine.cc |    8 ++++++++
 1 files changed, 8 insertions(+), 0 deletions(-)
---
diff --git a/src/dbgengine/nmv-gdb-engine.cc b/src/dbgengine/nmv-gdb-engine.cc
index d899de2..16a01d7 100644
--- a/src/dbgengine/nmv-gdb-engine.cc
+++ b/src/dbgengine/nmv-gdb-engine.cc
@@ -2625,6 +2625,14 @@ GDBEngine::load_program (const UString &a_prog,
         // tell gdb not to pass the SIGINT signal to the target.
         queue_command (Command ("handle SIGINT stop print nopass"));
 
+	// Tell gdb not to pass the SIGHUP signal to the target.  This
+	// is useful when the debugger follows a child during a
+	// fork. In that case, a SIGHUP is sent to the debugger if it
+	// has some controlling term attached to the target.. Make
+	// sure the signal is not not passed to the target and the
+	// debugger doesn't stop upon that signal.
+	queue_command (Command ("handle SIGHUP nostop print nopass"));
+
         // tell the linker to do all relocations at program load
         // time so that some "step into" don't take for ever.
         // On GDB, it seems that stepping into a function that is