From c445909f3d5ea5601ecfc88c8440335a99dccc09 Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Fri, 25 Mar 2011 12:54:21 -0700
Subject: [PATCH] Warn people not to run their applications as root!

---
 src/thread/pthread/SDL_systhread.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/thread/pthread/SDL_systhread.c b/src/thread/pthread/SDL_systhread.c
index 4711b1c49..57d555073 100644
--- a/src/thread/pthread/SDL_systhread.c
+++ b/src/thread/pthread/SDL_systhread.c
@@ -111,6 +111,9 @@ SDL_SYS_SetThreadPriority(SDL_ThreadPriority priority)
         value = 0;
     }
     if (setpriority(PRIO_PROCESS, syscall(SYS_gettid), value) < 0) {
+        /* Note that this fails if you're trying to set high priority
+           and you don't have root permission. BUT DON'T RUN AS ROOT!
+         */
         SDL_SetError("setpriority() failed");
         return -1;
     }