1 files changed, 35 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_key_create.c b/mdk-stage1/dietlibc/libpthread/pthread_key_create.c
new file mode 100644
index 000000000..44fccea6a
--- /dev/null
+++ b/mdk-stage1/dietlibc/libpthread/pthread_key_create.c
@@ -0,0 +1,35 @@
+#include <unistd.h>
+#include <errno.h>
+
+#include <pthread.h>
+#include "thread_internal.h"
+
+extern struct _pthread_fastlock __thread_keys_lock;
+extern struct _thread_key __thread_keys[PTHREAD_KEYS_MAX];
+int pthread_key_create(pthread_key_t *key, void (*destructor)(const void*))
+{
+  int ret=-1,i;
+
+  __THREAD_INIT();
+
+  __NO_ASYNC_CANCEL_BEGIN;
+  __pthread_lock(&__thread_keys_lock);
+
+  for (i=0; i<PTHREAD_KEYS_MAX; i++) {
+    if (!__thread_keys[i].used) {
+      __thread_keys[i].used=1;
+      __thread_keys[i].destructor=destructor;
+      memset(__thread_keys[i].tkd,0,PTHREAD_THREADS_MAX*sizeof(struct _thread_key));
+      *key=i;
+      ret=0;
+      break;
+    }
+  }
+
+  __pthread_unlock(&__thread_keys_lock);
+  __NO_ASYNC_CANCEL_END;
+
+  if (ret) (*__errno_location())=EAGAIN;
+  return ret;
+}
+