Merge "binderLibTest: cleanup child processes on error" am: 15ebf44563 am: 30b68545ac am: e1b97ae9d5

Change-Id: I3f01f6981ad43b4efe83544e8cb2df8100540dad
diff --git a/libs/binder/tests/binderLibTest.cpp b/libs/binder/tests/binderLibTest.cpp
index 94ab9f0..e343df7 100644
--- a/libs/binder/tests/binderLibTest.cpp
+++ b/libs/binder/tests/binderLibTest.cpp
@@ -30,6 +30,7 @@
 
 #include <private/binder/binder_module.h>
 #include <sys/epoll.h>
+#include <sys/prctl.h>
 
 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
 
@@ -107,6 +108,7 @@
     if (pid == -1)
         return pid;
     if (pid == 0) {
+        prctl(PR_SET_PDEATHSIG, SIGHUP);
         close(pipefd[0]);
         execv(binderservername, childargv);
         status = -errno;