From 414f4bd7e70d94025576d9264c86da63c506f6ca Mon Sep 17 00:00:00 2001
From: rpj <rpj>
Date: Wed, 13 Aug 2003 15:10:53 +0000
Subject: Bug fixes plus adaptation to current MinGW/MsysDTK environment.
 Changes to tests/benchmarks.

---
 pthread_spin_lock.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'pthread_spin_lock.c')

diff --git a/pthread_spin_lock.c b/pthread_spin_lock.c
index d3355d1..f9210f1 100644
--- a/pthread_spin_lock.c
+++ b/pthread_spin_lock.c
@@ -38,14 +38,16 @@
 #include "implement.h"
 
 
-/*
- * NOTE: For speed, these routines don't check if "lock" is valid.
- */
 int
 pthread_spin_lock(pthread_spinlock_t *lock)
 {
   register pthread_spinlock_t s;
 
+  if (NULL == lock || NULL == *lock)
+    {
+      return(EINVAL);
+    }
+
   if (*lock == PTHREAD_SPINLOCK_INITIALIZER)
     {
       int result;
-- 
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