From 848321909dc088309abed16de95fa227b755354d Mon Sep 17 00:00:00 2001
From: Isaku Yamahata <isaku.yamahata@gmail.com>
Date: Wed, 23 Jan 2019 21:09:31 -0800
Subject: [PATCH] [Pal/Linux-SGX] Make message on thread allocation failure
 more friendly

---
 Pal/src/host/Linux-SGX/sgx_thread.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/Pal/src/host/Linux-SGX/sgx_thread.c b/Pal/src/host/Linux-SGX/sgx_thread.c
index e17ae99b14..add404fdff 100644
--- a/Pal/src/host/Linux-SGX/sgx_thread.c
+++ b/Pal/src/host/Linux-SGX/sgx_thread.c
@@ -68,7 +68,10 @@ static void * thread_start (void * arg)
     current_enclave = arg;
 
     if (!current_tcs) {
-        SGX_DBG(DBG_E, "Cannot attach to any TCS!\n");
+        SGX_DBG(DBG_E,
+                "There are no available TCS pages left for a new thread!\n"
+                "Please try to increase sgx.thread_num in the manifest.\n"
+                "The current value is %d\n", enclave_thread_num);
         return NULL;
     }