1 files changed, 50 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_join.c b/mdk-stage1/dietlibc/libpthread/pthread_join.c
new file mode 100644
index 000000000..5b295bad1
--- /dev/null
+++ b/mdk-stage1/dietlibc/libpthread/pthread_join.c
@@ -0,0 +1,50 @@
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+
+#include "thread_internal.h"
+#include <pthread.h>
+
+int pthread_join(pthread_t th, void **thread_return)
+{
+  pthread_t j;
+  _pthread_descr this, thread;
+
+  __THREAD_INIT();
+
+  this = __thread_self();
+  j=__find_thread_id(th);
+
+  if (j==-1) {
+    (*(__errno_location()))=ESRCH;
+    return -1;
+  }
+
+  thread = __get_thread_struct(j);
+
+  /* error handling */
+  if (thread==0) {
+    (*(__errno_location()))=ESRCH;
+    return -1;
+  }
+
+  if (this==thread) {
+    (*(__errno_location()))=EDEADLK;
+    return -1;
+  }
+
+  if (thread->detached || thread->joined) {
+    (*(__errno_location()))=EINVAL;
+    return -1;
+  }
+
+  thread->joined=this;
+  this->join=1;
+
+  while(this->join) __thread_wait_some_time();
+
+  if (thread_return) *thread_return=this->retval;
+
+  return 0;
+}
+