From 8da8c49f395b0d7706efb4fe61cc22593b4eeeab Mon Sep 17 00:00:00 2001
From: winlin <winlin@vip.126.com>
Date: Mon, 10 Nov 2014 11:49:14 +0800
Subject: [PATCH] research st, add comments

---
 trunk/research/st/sched.c | 2 +-
 trunk/research/st/stk.c   | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/trunk/research/st/sched.c b/trunk/research/st/sched.c
index 4252ede1a..0ec9559bf 100644
--- a/trunk/research/st/sched.c
+++ b/trunk/research/st/sched.c
@@ -564,7 +564,7 @@ _st_thread_t *st_thread_create(void *(*start)(void *arg), void *arg, int joinabl
     }
     stack->sp = sp - _ST_STACK_PAD_SIZE;
 #else
-    #error Unknown Stack Grown
+    #error "Only Supports Stack Grown Down"
 #endif
     
     memset(trd, 0, sizeof(_st_thread_t));
diff --git a/trunk/research/st/stk.c b/trunk/research/st/stk.c
index 5f6790d7b..c26223ba5 100644
--- a/trunk/research/st/stk.c
+++ b/trunk/research/st/stk.c
@@ -138,7 +138,7 @@ static char *_st_new_stk_segment(int size)
 #ifdef MALLOC_STACK
     void *vaddr = malloc(size);
 #else
-    #error Unknown Stack Malloc
+    #error "Only Supports Malloc Stack"
 #endif
     
     return (char *)vaddr;