1 files changed, 14 insertions, 4 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_sys_alloc.c b/mdk-stage1/dietlibc/libpthread/pthread_sys_alloc.c
index 9f7d23d79..9fd4bcd95 100644
--- a/mdk-stage1/dietlibc/libpthread/pthread_sys_alloc.c
+++ b/mdk-stage1/dietlibc/libpthread/pthread_sys_alloc.c
@@ -3,10 +3,11 @@
 #include <pthread.h>
 #include "thread_internal.h"
 
+#include <stdlib.h>
+
 static pthread_mutex_t mutex_alloc = PTHREAD_MUTEX_INITIALIZER;
 
-void free(void *ptr)
-{
+void free(void *ptr) {
   __NO_ASYNC_CANCEL_BEGIN;
   pthread_mutex_lock(&mutex_alloc);
   __libc_free(ptr);
@@ -14,8 +15,7 @@ void free(void *ptr)
   __NO_ASYNC_CANCEL_END;
 }
 
-void *malloc(size_t size)
-{
+void *malloc(size_t size) {
   register void *ret;
   __NO_ASYNC_CANCEL_BEGIN;
   pthread_mutex_lock(&mutex_alloc);
@@ -24,3 +24,13 @@ void *malloc(size_t size)
   __NO_ASYNC_CANCEL_END;
   return ret;
 }
+
+void* realloc(void* ptr, size_t size) {
+  register void *ret;
+  __NO_ASYNC_CANCEL_BEGIN;
+  pthread_mutex_lock(&mutex_alloc);
+  ret=__libc_realloc(ptr, size);
+  pthread_mutex_unlock(&mutex_alloc);
+  __NO_ASYNC_CANCEL_END;
+  return ret;
+}