From 6cb7e8dab67e8807aad79c3bdc8f96d78a5e5dbc Mon Sep 17 00:00:00 2001
From: Owen Shepherd <owen.shepherd@e43.eu>
Date: Thu, 8 Nov 2012 23:21:37 +0000
Subject: [PATCH] PDCLIB-15: fopen initializes stream lock; fclose releases

---
 functions/stdio/_PDCLIB_fdopen.c | 6 ++++++
 functions/stdio/fclose.c         | 5 +++++
 2 files changed, 11 insertions(+)

diff --git a/functions/stdio/_PDCLIB_fdopen.c b/functions/stdio/_PDCLIB_fdopen.c
index 8556327..7b53952 100644
--- a/functions/stdio/_PDCLIB_fdopen.c
+++ b/functions/stdio/_PDCLIB_fdopen.c
@@ -39,6 +39,12 @@ struct _PDCLIB_file_t * _PDCLIB_fdopen( _PDCLIB_fd_t fd,
         /* no memory */
         return NULL;
     }
+
+    if(mtx_init(&rc->lock, mtx_recursive) != thrd_success) {
+        free(rc);
+        return NULL;
+    }
+
     rc->status = mode;
     rc->handle = fd;
     /* Setting pointers into the memory block allocated above */
diff --git a/functions/stdio/fclose.c b/functions/stdio/fclose.c
index d20cb3e..dbd7f6e 100644
--- a/functions/stdio/fclose.c
+++ b/functions/stdio/fclose.c
@@ -33,8 +33,13 @@ int fclose( struct _PDCLIB_file_t * stream )
                     return EOF;
                 }
             }
+
+            /* Release mutex*/
+            mtx_destroy( &stream->lock );
+
             /* Close handle */
             _PDCLIB_close( stream->handle );
+
             /* Remove stream from list */
             if ( previous != NULL )
             {
-- 
2.40.0