From 8384336a74a2dc00545cb42ffd2a067595303b49 Mon Sep 17 00:00:00 2001
From: Rom Walton <rwalton@ssl.berkeley.edu>
Date: Mon, 28 Jul 2014 13:28:51 -0400
Subject: [PATCH] client: if execv ever fails when attempting to launch
 switcher, exit as quickly as possible in the forked process.

Returning from the switcher_exec() may leave 2 boinc processes running until one crashes.
---
 client/sandbox.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/client/sandbox.cpp b/client/sandbox.cpp
index 3165308d1c..f8301d708e 100644
--- a/client/sandbox.cpp
+++ b/client/sandbox.cpp
@@ -96,7 +96,7 @@ int switcher_exec(const char *util_filename, const char* cmdline) {
         execv(util_path, argv);
         fprintf(stderr, "execv failed in switcher_exec(%s, %s): %s", util_path, cmdline, strerror(errno));
 
-        return ERR_EXEC;
+        _exit(EXIT_FAILURE);
     }
     // Parent only needs one-way (read) pipes so close write pipes
     close(fds_out[1]);